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Merge commit 'v2.6.32-rc5' into for-linus

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This commit is contained in:
Dmitry Torokhov
2009-11-02 22:10:07 -08:00
parent e57130698f 012abeea66
commit 7a53c7f56b
6919 changed files with 729154 additions and 357185 deletions
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5
drivers/Makefile
View File

@@ -11,6 +11,7 @@ obj-$(CONFIG_PARISC) += parisc/
obj-$(CONFIG_RAPIDIO) += rapidio/
obj-y += video/
obj-$(CONFIG_ACPI) += acpi/
obj-$(CONFIG_SFI) += sfi/
# PnP must come after ACPI since it will eventually need to check if acpi
# was used and do nothing if so
obj-$(CONFIG_PNP) += pnp/
@@ -42,6 +43,8 @@ obj-y += macintosh/
obj-$(CONFIG_IDE) += ide/
obj-$(CONFIG_SCSI) += scsi/
obj-$(CONFIG_ATA) += ata/
obj-$(CONFIG_MTD) += mtd/
obj-$(CONFIG_SPI) += spi/
obj-y += net/
obj-$(CONFIG_ATM) += atm/
obj-$(CONFIG_FUSION) += message/
@@ -50,8 +53,6 @@ obj-y += ieee1394/
obj-$(CONFIG_UIO) += uio/
obj-y += cdrom/
obj-y += auxdisplay/
obj-$(CONFIG_MTD) += mtd/
obj-$(CONFIG_SPI) += spi/
obj-$(CONFIG_PCCARD) += pcmcia/
obj-$(CONFIG_DIO) += dio/
obj-$(CONFIG_SBUS) += sbus/

29
drivers/acpi/Kconfig
View File

@@ -60,7 +60,11 @@ config ACPI_PROCFS
/proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
/proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
/proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
/proc/acpi/processor/*/power (/sys/devices/system/cpu/*/cpuidle/*)
/proc/acpi/processor/*/performance (/sys/devices/system/cpu/*/
cpufreq/*)
/proc/acpi/processor/*/throttling (/sys/class/thermal/
cooling_device*/*)
This option has no effect on /proc/acpi/ files
and functions which do not yet exist in /sys.
@@ -82,6 +86,17 @@ config ACPI_PROCFS_POWER
Say N to delete power /proc/acpi/ directories that have moved to /sys/
config ACPI_POWER_METER
tristate "ACPI 4.0 power meter"
depends on HWMON
help
This driver exposes ACPI 4.0 power meters as hardware monitoring
devices. Say Y (or M) if you have a computer with ACPI 4.0 firmware
and a power meter.
To compile this driver as a module, choose M here:
the module will be called power-meter.
config ACPI_SYSFS_POWER
bool "Future power /sys interface"
select POWER_SUPPLY
@@ -196,6 +211,18 @@ config ACPI_HOTPLUG_CPU
select ACPI_CONTAINER
default y
config ACPI_PROCESSOR_AGGREGATOR
tristate "Processor Aggregator"
depends on ACPI_PROCESSOR
depends on EXPERIMENTAL
depends on X86
help
ACPI 4.0 defines processor Aggregator, which enables OS to perform
specific processor configuration and control that applies to all
processors in the platform. Currently only logical processor idling
is defined, which is to reduce power consumption. This driver
supports the new device.
config ACPI_THERMAL
tristate "Thermal Zone"
depends on ACPI_PROCESSOR

3
drivers/acpi/Makefile
View File

@@ -56,8 +56,11 @@ obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
obj-$(CONFIG_ACPI_BATTERY) += battery.o
obj-$(CONFIG_ACPI_SBS) += sbshc.o
obj-$(CONFIG_ACPI_SBS) += sbs.o
obj-$(CONFIG_ACPI_POWER_METER) += power_meter.o
# processor has its own "processor." module_param namespace
processor-y := processor_core.o processor_throttling.o
processor-y += processor_idle.o processor_thermal.o
processor-$(CONFIG_CPU_FREQ) += processor_perflib.o
obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o

3
drivers/acpi/ac.c
View File

@@ -37,6 +37,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_AC_DEVICE_NAME "AC Adapter"
#define ACPI_AC_FILE_STATE "state"
@@ -243,6 +245,7 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
acpi_bus_generate_netlink_event(device->pnp.device_class,
dev_name(&device->dev), event,
(u32) ac->state);
acpi_notifier_call_chain(device, event, (u32) ac->state);
#ifdef CONFIG_ACPI_SYSFS_POWER
kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
#endif

55
drivers/acpi/acpi_memhotplug.c
View File

@@ -53,7 +53,6 @@ MODULE_LICENSE("GPL");
static int acpi_memory_device_add(struct acpi_device *device);
static int acpi_memory_device_remove(struct acpi_device *device, int type);
static int acpi_memory_device_start(struct acpi_device *device);
static const struct acpi_device_id memory_device_ids[] = {
{ACPI_MEMORY_DEVICE_HID, 0},
@@ -68,7 +67,6 @@ static struct acpi_driver acpi_memory_device_driver = {
.ops = {
.add = acpi_memory_device_add,
.remove = acpi_memory_device_remove,
.start = acpi_memory_device_start,
},
};
@@ -431,6 +429,22 @@ static int acpi_memory_device_add(struct acpi_device *device)
printk(KERN_DEBUG "%s \n", acpi_device_name(device));
/*
* Early boot code has recognized memory area by EFI/E820.
* If DSDT shows these memory devices on boot, hotplug is not necessary
* for them. So, it just returns until completion of this driver's
* start up.
*/
if (!acpi_hotmem_initialized)
return 0;
if (!acpi_memory_check_device(mem_device)) {
/* call add_memory func */
result = acpi_memory_enable_device(mem_device);
if (result)
printk(KERN_ERR PREFIX
"Error in acpi_memory_enable_device\n");
}
return result;
}
@@ -448,32 +462,6 @@ static int acpi_memory_device_remove(struct acpi_device *device, int type)
return 0;
}
static int acpi_memory_device_start (struct acpi_device *device)
{
struct acpi_memory_device *mem_device;
int result = 0;
/*
* Early boot code has recognized memory area by EFI/E820.
* If DSDT shows these memory devices on boot, hotplug is not necessary
* for them. So, it just returns until completion of this driver's
* start up.
*/
if (!acpi_hotmem_initialized)
return 0;
mem_device = acpi_driver_data(device);
if (!acpi_memory_check_device(mem_device)) {
/* call add_memory func */
result = acpi_memory_enable_device(mem_device);
if (result)
printk(KERN_ERR PREFIX
"Error in acpi_memory_enable_device\n");
}
return result;
}
/*
* Helper function to check for memory device
*/
@@ -481,26 +469,23 @@ static acpi_status is_memory_device(acpi_handle handle)
{
char *hardware_id;
acpi_status status;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_device_info *info;
status = acpi_get_object_info(handle, &buffer);
status = acpi_get_object_info(handle, &info);
if (ACPI_FAILURE(status))
return status;
info = buffer.pointer;
if (!(info->valid & ACPI_VALID_HID)) {
kfree(buffer.pointer);
kfree(info);
return AE_ERROR;
}
hardware_id = info->hardware_id.value;
hardware_id = info->hardware_id.string;
if ((hardware_id == NULL) ||
(strcmp(hardware_id, ACPI_MEMORY_DEVICE_HID)))
status = AE_ERROR;
kfree(buffer.pointer);
kfree(info);
return status;
}

514
drivers/acpi/acpi_pad.c Normal file
View File

@@ -0,0 +1,514 @@
/*
* acpi_pad.c ACPI Processor Aggregator Driver
*
* Copyright (c) 2009, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <linux/kernel.h>
#include <linux/cpumask.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/cpu.h>
#include <linux/clockchips.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define ACPI_PROCESSOR_AGGREGATOR_CLASS "processor_aggregator"
#define ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME "Processor Aggregator"
#define ACPI_PROCESSOR_AGGREGATOR_NOTIFY 0x80
static DEFINE_MUTEX(isolated_cpus_lock);
#define MWAIT_SUBSTATE_MASK (0xf)
#define MWAIT_CSTATE_MASK (0xf)
#define MWAIT_SUBSTATE_SIZE (4)
#define CPUID_MWAIT_LEAF (5)
#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1)
#define CPUID5_ECX_INTERRUPT_BREAK (0x2)
static unsigned long power_saving_mwait_eax;
static void power_saving_mwait_init(void)
{
unsigned int eax, ebx, ecx, edx;
unsigned int highest_cstate = 0;
unsigned int highest_subcstate = 0;
int i;
if (!boot_cpu_has(X86_FEATURE_MWAIT))
return;
if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF)
return;
cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx);
if (!(ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) ||
!(ecx & CPUID5_ECX_INTERRUPT_BREAK))
return;
edx >>= MWAIT_SUBSTATE_SIZE;
for (i = 0; i < 7 && edx; i++, edx >>= MWAIT_SUBSTATE_SIZE) {
if (edx & MWAIT_SUBSTATE_MASK) {
highest_cstate = i;
highest_subcstate = edx & MWAIT_SUBSTATE_MASK;
}
}
power_saving_mwait_eax = (highest_cstate << MWAIT_SUBSTATE_SIZE) |
(highest_subcstate - 1);
for_each_online_cpu(i)
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &i);
#if defined(CONFIG_GENERIC_TIME) && defined(CONFIG_X86)
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_AMD:
case X86_VENDOR_INTEL:
/*
* AMD Fam10h TSC will tick in all
* C/P/S0/S1 states when this bit is set.
*/
if (boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
return;
/*FALL THROUGH*/
default:
/* TSC could halt in idle, so notify users */
mark_tsc_unstable("TSC halts in idle");
}
#endif
}
static unsigned long cpu_weight[NR_CPUS];
static int tsk_in_cpu[NR_CPUS] = {[0 ... NR_CPUS-1] = -1};
static DECLARE_BITMAP(pad_busy_cpus_bits, NR_CPUS);
static void round_robin_cpu(unsigned int tsk_index)
{
struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits);
cpumask_var_t tmp;
int cpu;
unsigned long min_weight = -1, preferred_cpu;
if (!alloc_cpumask_var(&tmp, GFP_KERNEL))
return;
mutex_lock(&isolated_cpus_lock);
cpumask_clear(tmp);
for_each_cpu(cpu, pad_busy_cpus)
cpumask_or(tmp, tmp, topology_thread_cpumask(cpu));
cpumask_andnot(tmp, cpu_online_mask, tmp);
/* avoid HT sibilings if possible */
if (cpumask_empty(tmp))
cpumask_andnot(tmp, cpu_online_mask, pad_busy_cpus);
if (cpumask_empty(tmp)) {
mutex_unlock(&isolated_cpus_lock);
return;
}
for_each_cpu(cpu, tmp) {
if (cpu_weight[cpu] < min_weight) {
min_weight = cpu_weight[cpu];
preferred_cpu = cpu;
}
}
if (tsk_in_cpu[tsk_index] != -1)
cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus);
tsk_in_cpu[tsk_index] = preferred_cpu;
cpumask_set_cpu(preferred_cpu, pad_busy_cpus);
cpu_weight[preferred_cpu]++;
mutex_unlock(&isolated_cpus_lock);
set_cpus_allowed_ptr(current, cpumask_of(preferred_cpu));
}
static void exit_round_robin(unsigned int tsk_index)
{
struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits);
cpumask_clear_cpu(tsk_in_cpu[tsk_index], pad_busy_cpus);
tsk_in_cpu[tsk_index] = -1;
}
static unsigned int idle_pct = 5; /* percentage */
static unsigned int round_robin_time = 10; /* second */
static int power_saving_thread(void *data)
{
struct sched_param param = {.sched_priority = 1};
int do_sleep;
unsigned int tsk_index = (unsigned long)data;
u64 last_jiffies = 0;
sched_setscheduler(current, SCHED_RR, &param);
while (!kthread_should_stop()) {
int cpu;
u64 expire_time;
try_to_freeze();
/* round robin to cpus */
if (last_jiffies + round_robin_time * HZ < jiffies) {
last_jiffies = jiffies;
round_robin_cpu(tsk_index);
}
do_sleep = 0;
current_thread_info()->status &= ~TS_POLLING;
/*
* TS_POLLING-cleared state must be visible before we test
* NEED_RESCHED:
*/
smp_mb();
expire_time = jiffies + HZ * (100 - idle_pct) / 100;
while (!need_resched()) {
local_irq_disable();
cpu = smp_processor_id();
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER,
&cpu);
stop_critical_timings();
__monitor((void *)&current_thread_info()->flags, 0, 0);
smp_mb();
if (!need_resched())
__mwait(power_saving_mwait_eax, 1);
start_critical_timings();
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT,
&cpu);
local_irq_enable();
if (jiffies > expire_time) {
do_sleep = 1;
break;
}
}
current_thread_info()->status |= TS_POLLING;
/*
* current sched_rt has threshold for rt task running time.
* When a rt task uses 95% CPU time, the rt thread will be
* scheduled out for 5% CPU time to not starve other tasks. But
* the mechanism only works when all CPUs have RT task running,
* as if one CPU hasn't RT task, RT task from other CPUs will
* borrow CPU time from this CPU and cause RT task use > 95%
* CPU time. To make 'avoid staration' work, takes a nap here.
*/
if (do_sleep)
schedule_timeout_killable(HZ * idle_pct / 100);
}
exit_round_robin(tsk_index);
return 0;
}
static struct task_struct *ps_tsks[NR_CPUS];
static unsigned int ps_tsk_num;
static int create_power_saving_task(void)
{
ps_tsks[ps_tsk_num] = kthread_run(power_saving_thread,
(void *)(unsigned long)ps_tsk_num,
"power_saving/%d", ps_tsk_num);
if (ps_tsks[ps_tsk_num]) {
ps_tsk_num++;
return 0;
}
return -EINVAL;
}
static void destroy_power_saving_task(void)
{
if (ps_tsk_num > 0) {
ps_tsk_num--;
kthread_stop(ps_tsks[ps_tsk_num]);
}
}
static void set_power_saving_task_num(unsigned int num)
{
if (num > ps_tsk_num) {
while (ps_tsk_num < num) {
if (create_power_saving_task())
return;
}
} else if (num < ps_tsk_num) {
while (ps_tsk_num > num)
destroy_power_saving_task();
}
}
static int acpi_pad_idle_cpus(unsigned int num_cpus)
{
get_online_cpus();
num_cpus = min_t(unsigned int, num_cpus, num_online_cpus());
set_power_saving_task_num(num_cpus);
put_online_cpus();
return 0;
}
static uint32_t acpi_pad_idle_cpus_num(void)
{
return ps_tsk_num;
}
static ssize_t acpi_pad_rrtime_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long num;
if (strict_strtoul(buf, 0, &num))
return -EINVAL;
if (num < 1 || num >= 100)
return -EINVAL;
mutex_lock(&isolated_cpus_lock);
round_robin_time = num;
mutex_unlock(&isolated_cpus_lock);
return count;
}
static ssize_t acpi_pad_rrtime_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return scnprintf(buf, PAGE_SIZE, "%d", round_robin_time);
}
static DEVICE_ATTR(rrtime, S_IRUGO|S_IWUSR,
acpi_pad_rrtime_show,
acpi_pad_rrtime_store);
static ssize_t acpi_pad_idlepct_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long num;
if (strict_strtoul(buf, 0, &num))
return -EINVAL;
if (num < 1 || num >= 100)
return -EINVAL;
mutex_lock(&isolated_cpus_lock);
idle_pct = num;
mutex_unlock(&isolated_cpus_lock);
return count;
}
static ssize_t acpi_pad_idlepct_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return scnprintf(buf, PAGE_SIZE, "%d", idle_pct);
}
static DEVICE_ATTR(idlepct, S_IRUGO|S_IWUSR,
acpi_pad_idlepct_show,
acpi_pad_idlepct_store);
static ssize_t acpi_pad_idlecpus_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long num;
if (strict_strtoul(buf, 0, &num))
return -EINVAL;
mutex_lock(&isolated_cpus_lock);
acpi_pad_idle_cpus(num);
mutex_unlock(&isolated_cpus_lock);
return count;
}
static ssize_t acpi_pad_idlecpus_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return cpumask_scnprintf(buf, PAGE_SIZE,
to_cpumask(pad_busy_cpus_bits));
}
static DEVICE_ATTR(idlecpus, S_IRUGO|S_IWUSR,
acpi_pad_idlecpus_show,
acpi_pad_idlecpus_store);
static int acpi_pad_add_sysfs(struct acpi_device *device)
{
int result;
result = device_create_file(&device->dev, &dev_attr_idlecpus);
if (result)
return -ENODEV;
result = device_create_file(&device->dev, &dev_attr_idlepct);
if (result) {
device_remove_file(&device->dev, &dev_attr_idlecpus);
return -ENODEV;
}
result = device_create_file(&device->dev, &dev_attr_rrtime);
if (result) {
device_remove_file(&device->dev, &dev_attr_idlecpus);
device_remove_file(&device->dev, &dev_attr_idlepct);
return -ENODEV;
}
return 0;
}
static void acpi_pad_remove_sysfs(struct acpi_device *device)
{
device_remove_file(&device->dev, &dev_attr_idlecpus);
device_remove_file(&device->dev, &dev_attr_idlepct);
device_remove_file(&device->dev, &dev_attr_rrtime);
}
/* Query firmware how many CPUs should be idle */
static int acpi_pad_pur(acpi_handle handle, int *num_cpus)
{
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
acpi_status status;
union acpi_object *package;
int rev, num, ret = -EINVAL;
status = acpi_evaluate_object(handle, "_PUR", NULL, &buffer);
if (ACPI_FAILURE(status))
return -EINVAL;
package = buffer.pointer;
if (package->type != ACPI_TYPE_PACKAGE || package->package.count != 2)
goto out;
rev = package->package.elements[0].integer.value;
num = package->package.elements[1].integer.value;
if (rev != 1)
goto out;
*num_cpus = num;
ret = 0;
out:
kfree(buffer.pointer);
return ret;
}
/* Notify firmware how many CPUs are idle */
static void acpi_pad_ost(acpi_handle handle, int stat,
uint32_t idle_cpus)
{
union acpi_object params[3] = {
{.type = ACPI_TYPE_INTEGER,},
{.type = ACPI_TYPE_INTEGER,},
{.type = ACPI_TYPE_BUFFER,},
};
struct acpi_object_list arg_list = {3, params};
params[0].integer.value = ACPI_PROCESSOR_AGGREGATOR_NOTIFY;
params[1].integer.value = stat;
params[2].buffer.length = 4;
params[2].buffer.pointer = (void *)&idle_cpus;
acpi_evaluate_object(handle, "_OST", &arg_list, NULL);
}
static void acpi_pad_handle_notify(acpi_handle handle)
{
int num_cpus, ret;
uint32_t idle_cpus;
mutex_lock(&isolated_cpus_lock);
if (acpi_pad_pur(handle, &num_cpus)) {
mutex_unlock(&isolated_cpus_lock);
return;
}
ret = acpi_pad_idle_cpus(num_cpus);
idle_cpus = acpi_pad_idle_cpus_num();
if (!ret)
acpi_pad_ost(handle, 0, idle_cpus);
else
acpi_pad_ost(handle, 1, 0);
mutex_unlock(&isolated_cpus_lock);
}
static void acpi_pad_notify(acpi_handle handle, u32 event,
void *data)
{
struct acpi_device *device = data;
switch (event) {
case ACPI_PROCESSOR_AGGREGATOR_NOTIFY:
acpi_pad_handle_notify(handle);
acpi_bus_generate_proc_event(device, event, 0);
acpi_bus_generate_netlink_event(device->pnp.device_class,
dev_name(&device->dev), event, 0);
break;
default:
printk(KERN_WARNING"Unsupported event [0x%x]\n", event);
break;
}
}
static int acpi_pad_add(struct acpi_device *device)
{
acpi_status status;
strcpy(acpi_device_name(device), ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_PROCESSOR_AGGREGATOR_CLASS);
if (acpi_pad_add_sysfs(device))
return -ENODEV;
status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY, acpi_pad_notify, device);
if (ACPI_FAILURE(status)) {
acpi_pad_remove_sysfs(device);
return -ENODEV;
}
return 0;
}
static int acpi_pad_remove(struct acpi_device *device,
int type)
{
mutex_lock(&isolated_cpus_lock);
acpi_pad_idle_cpus(0);
mutex_unlock(&isolated_cpus_lock);
acpi_remove_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY, acpi_pad_notify);
acpi_pad_remove_sysfs(device);
return 0;
}
static const struct acpi_device_id pad_device_ids[] = {
{"ACPI000C", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, pad_device_ids);
static struct acpi_driver acpi_pad_driver = {
.name = "processor_aggregator",
.class = ACPI_PROCESSOR_AGGREGATOR_CLASS,
.ids = pad_device_ids,
.ops = {
.add = acpi_pad_add,
.remove = acpi_pad_remove,
},
};
static int __init acpi_pad_init(void)
{
power_saving_mwait_init();
if (power_saving_mwait_eax == 0)
return -EINVAL;
return acpi_bus_register_driver(&acpi_pad_driver);
}
static void __exit acpi_pad_exit(void)
{
acpi_bus_unregister_driver(&acpi_pad_driver);
}
module_init(acpi_pad_init);
module_exit(acpi_pad_exit);
MODULE_AUTHOR("Shaohua Li<shaohua.li@intel.com>");
MODULE_DESCRIPTION("ACPI Processor Aggregator Driver");
MODULE_LICENSE("GPL");

4
drivers/acpi/acpica/Makefile
View File

@@ -28,7 +28,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
acpi-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \
nsalloc.o nseval.o nsnames.o nsutils.o nsxfname.o \
nsdump.o nsinit.o nsobject.o nswalk.o nsxfobj.o \
nsparse.o nspredef.o
nsparse.o nspredef.o nsrepair.o
acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
@@ -44,4 +44,4 @@ acpi-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o
acpi-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
utcopy.o utdelete.o utglobal.o utmath.o utobject.o \
utstate.o utmutex.o utobject.o utresrc.o utlock.o
utstate.o utmutex.o utobject.o utresrc.o utlock.o utids.o

10
drivers/acpi/acpica/acconfig.h
View File

@@ -183,7 +183,7 @@
/* Operation regions */
#define ACPI_NUM_PREDEFINED_REGIONS 8
#define ACPI_NUM_PREDEFINED_REGIONS 9
#define ACPI_USER_REGION_BEGIN 0x80
/* Maximum space_ids for Operation Regions */
@@ -199,9 +199,15 @@
#define ACPI_RSDP_CHECKSUM_LENGTH 20
#define ACPI_RSDP_XCHECKSUM_LENGTH 36
/* SMBus bidirectional buffer size */
/* SMBus and IPMI bidirectional buffer size */
#define ACPI_SMBUS_BUFFER_SIZE 34
#define ACPI_IPMI_BUFFER_SIZE 66
/* _sx_d and _sx_w control methods */
#define ACPI_NUM_sx_d_METHODS 4
#define ACPI_NUM_sx_w_METHODS 5
/******************************************************************************
*

4
drivers/acpi/acpica/acdebug.h
View File

@@ -154,10 +154,6 @@ void
acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
struct acpi_walk_state *walk_state);
void acpi_db_check_predefined_names(void);
void acpi_db_batch_execute(void);
/*
* dbexec - debugger control method execution
*/

37
drivers/acpi/acpica/acglobal.h
View File

@@ -58,6 +58,10 @@
#define ACPI_INIT_GLOBAL(a,b) a
#endif
#ifdef DEFINE_ACPI_GLOBALS
/* Public globals, available from outside ACPICA subsystem */
/*****************************************************************************
*
* Runtime configuration (static defaults that can be overriden at runtime)
@@ -78,7 +82,7 @@
* 5) Allow unresolved references (invalid target name) in package objects
* 6) Enable warning messages for behavior that is not ACPI spec compliant
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
/*
* Automatically serialize ALL control methods? Default is FALSE, meaning
@@ -86,27 +90,36 @@ ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
* Only change this if the ASL code is poorly written and cannot handle
* reentrancy even though methods are marked "NotSerialized".
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
/*
* Create the predefined _OSI method in the namespace? Default is TRUE
* because ACPI CA is fully compatible with other ACPI implementations.
* Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
/*
* Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
* RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
* be enabled just before going to sleep.
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
/*
* Optionally use default values for the ACPI register widths. Set this to
* TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
/* acpi_gbl_FADT is a local copy of the FADT, converted to a common format. */
struct acpi_table_fadt acpi_gbl_FADT;
u32 acpi_current_gpe_count;
u32 acpi_gbl_trace_flags;
acpi_name acpi_gbl_trace_method_name;
#endif
/*****************************************************************************
*
@@ -114,11 +127,6 @@ ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
*
****************************************************************************/
/* Runtime configuration of debug print levels */
extern u32 acpi_dbg_level;
extern u32 acpi_dbg_layer;
/* Procedure nesting level for debug output */
extern u32 acpi_gbl_nesting_level;
@@ -127,10 +135,8 @@ extern u32 acpi_gbl_nesting_level;
ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
ACPI_EXTERN acpi_name acpi_gbl_trace_method_name;
ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
ACPI_EXTERN u32 acpi_gbl_trace_flags;
/*****************************************************************************
*
@@ -142,10 +148,8 @@ ACPI_EXTERN u32 acpi_gbl_trace_flags;
* acpi_gbl_root_table_list is the master list of ACPI tables found in the
* RSDT/XSDT.
*
* acpi_gbl_FADT is a local copy of the FADT, converted to a common format.
*/
ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT;
ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS;
/* These addresses are calculated from the FADT Event Block addresses */
@@ -261,7 +265,8 @@ ACPI_EXTERN u8 acpi_gbl_osi_data;
extern u8 acpi_gbl_shutdown;
extern u32 acpi_gbl_startup_flags;
extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
extern const char *acpi_gbl_highest_dstate_names[4];
extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
@@ -290,6 +295,7 @@ extern char const *acpi_gbl_exception_names_ctrl[];
ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
ACPI_EXTERN union acpi_operand_object *acpi_gbl_module_code_list;
extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
extern const struct acpi_predefined_names
@@ -340,7 +346,6 @@ ACPI_EXTERN struct acpi_fixed_event_handler
ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
ACPI_EXTERN struct acpi_gpe_block_info
*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
ACPI_EXTERN u32 acpi_current_gpe_count;
/*****************************************************************************
*

8
drivers/acpi/acpica/achware.h
View File

@@ -62,6 +62,14 @@ u32 acpi_hw_get_mode(void);
/*
* hwregs - ACPI Register I/O
*/
acpi_status
acpi_hw_validate_register(struct acpi_generic_address *reg,
u8 max_bit_width, u64 *address);
acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg);
acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg);
struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);

4
drivers/acpi/acpica/acinterp.h
View File

@@ -461,9 +461,9 @@ void acpi_ex_acquire_global_lock(u32 rule);
void acpi_ex_release_global_lock(u32 rule);
void acpi_ex_eisa_id_to_string(u32 numeric_id, char *out_string);
void acpi_ex_eisa_id_to_string(char *dest, acpi_integer compressed_id);
void acpi_ex_unsigned_integer_to_string(acpi_integer value, char *out_string);
void acpi_ex_integer_to_string(char *dest, acpi_integer value);
/*
* exregion - default op_region handlers

16
drivers/acpi/acpica/aclocal.h
View File

@@ -369,6 +369,19 @@ union acpi_predefined_info {
struct acpi_package_info3 ret_info3;
};
/* Data block used during object validation */
struct acpi_predefined_data {
char *pathname;
const union acpi_predefined_info *predefined;
u32 flags;
u8 node_flags;
};
/* Defines for Flags field above */
#define ACPI_OBJECT_REPAIRED 1
/*
* Bitmapped return value types
* Note: the actual data types must be contiguous, a loop in nspredef.c
@@ -885,6 +898,9 @@ struct acpi_bit_register_info {
#define ACPI_OSI_WIN_XP_SP2 0x05
#define ACPI_OSI_WINSRV_2003_SP1 0x06
#define ACPI_OSI_WIN_VISTA 0x07
#define ACPI_OSI_WINSRV_2008 0x08
#define ACPI_OSI_WIN_VISTA_SP1 0x09
#define ACPI_OSI_WIN_7 0x0A
#define ACPI_ALWAYS_ILLEGAL 0x00

2
drivers/acpi/acpica/acmacros.h
View File

@@ -340,6 +340,7 @@
*/
#define ACPI_ERROR_NAMESPACE(s, e) acpi_ns_report_error (AE_INFO, s, e);
#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ns_report_method_error (AE_INFO, s, n, p, e);
#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist
#else
@@ -347,6 +348,7 @@
#define ACPI_ERROR_NAMESPACE(s, e)
#define ACPI_ERROR_METHOD(s, n, p, e)
#define ACPI_WARN_PREDEFINED(plist)
#endif /* ACPI_NO_ERROR_MESSAGES */
/*

25
drivers/acpi/acpica/acnamesp.h
View File

@@ -73,6 +73,14 @@
#define ACPI_NS_WALK_UNLOCK 0x01
#define ACPI_NS_WALK_TEMP_NODES 0x02
/* Object is not a package element */
#define ACPI_NOT_PACKAGE_ELEMENT ACPI_UINT32_MAX
/* Always emit warning message, not dependent on node flags */
#define ACPI_WARN_ALWAYS 0
/*
* nsinit - Namespace initialization
*/
@@ -144,6 +152,8 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name);
void acpi_ns_delete_node(struct acpi_namespace_node *node);
void acpi_ns_remove_node(struct acpi_namespace_node *node);
void
acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_handle);
@@ -186,6 +196,8 @@ acpi_ns_dump_objects(acpi_object_type type,
*/
acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
void acpi_ns_exec_module_code_list(void);
/*
* nspredef - Support for predefined/reserved names
*/
@@ -259,6 +271,19 @@ acpi_status
acpi_ns_get_attached_data(struct acpi_namespace_node *node,
acpi_object_handler handler, void **data);
/*
* nsrepair - return object repair for predefined methods/objects
*/
acpi_status
acpi_ns_repair_object(struct acpi_predefined_data *data,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr);
acpi_status
acpi_ns_repair_package_list(struct acpi_predefined_data *data,
union acpi_operand_object **obj_desc_ptr);
/*
* nssearch - Namespace searching and entry
*/

1
drivers/acpi/acpica/acobject.h
View File

@@ -98,6 +98,7 @@
#define AOPOBJ_SETUP_COMPLETE 0x10
#define AOPOBJ_SINGLE_DATUM 0x20
#define AOPOBJ_INVALID 0x40 /* Used if host OS won't allow an op_region address */
#define AOPOBJ_MODULE_LEVEL 0x80
/******************************************************************************
*

2
drivers/acpi/acpica/acparser.h
View File

@@ -62,6 +62,8 @@
#define ACPI_PARSE_DEFERRED_OP 0x0100
#define ACPI_PARSE_DISASSEMBLE 0x0200
#define ACPI_PARSE_MODULE_LEVEL 0x0400
/******************************************************************************
*
* Parser interfaces

578
drivers/acpi/acpica/acpredef.h
View File

@@ -64,8 +64,8 @@
* (Used for _PRW)
*
*
* 2) PTYPE2 packages contain a variable number of sub-packages. Each of the
* different types describe the contents of each of the sub-packages.
* 2) PTYPE2 packages contain a Variable-length number of sub-packages. Each
* of the different types describe the contents of each of the sub-packages.
*
* ACPI_PTYPE2: Each subpackage contains 1 or 2 object types:
* object type
@@ -91,6 +91,9 @@
* ACPI_PTYPE2_MIN: Each subpackage has a variable but minimum length
* (Used for _HPX)
*
* ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length
* (Used for _ART, _FPS)
*
*****************************************************************************/
enum acpi_return_package_types {
@@ -101,9 +104,11 @@ enum acpi_return_package_types {
ACPI_PTYPE2_COUNT = 5,
ACPI_PTYPE2_PKG_COUNT = 6,
ACPI_PTYPE2_FIXED = 7,
ACPI_PTYPE2_MIN = 8
ACPI_PTYPE2_MIN = 8,
ACPI_PTYPE2_REV_FIXED = 9
};
#ifdef ACPI_CREATE_PREDEFINED_TABLE
/*
* Predefined method/object information table.
*
@@ -136,239 +141,384 @@ enum acpi_return_package_types {
* is saved here (rather than in a separate table) in order to minimize the
* overall size of the stored data.
*/
static const union acpi_predefined_info predefined_names[] = {
{.info = {"_AC0", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC1", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC2", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC3", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC4", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC5", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC6", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC7", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC8", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AC9", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_ADR", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_AL0", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL1", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL2", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL3", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL4", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL5", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL6", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL7", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL8", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_AL9", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_ALC", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_ALI", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_ALP", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_ALR", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2, 0, 0, 0}}, /* variable (Pkgs) each 2 (Ints) */
{.info = {"_ALT", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_BBN", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_BCL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Ints) */
{.info = {"_BCM", 1, 0}},
{.info = {"_BDN", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_BFS", 1, 0}},
{.info = {"_BIF", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER,
9,
ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER, 4, 0}}, /* fixed (9 Int),(4 Str) */
{.info = {"_BLT", 3, 0}},
{.info = {"_BMC", 1, 0}},
{.info = {"_BMD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* fixed (5 Int) */
{.info = {"_BQC", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_BST", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}}, /* fixed (4 Int) */
{.info = {"_BTM", 1, ACPI_RTYPE_INTEGER}},
{.info = {"_BTP", 1, 0}},
{.info = {"_CBA", 0, ACPI_RTYPE_INTEGER}}, /* see PCI firmware spec 3.0 */
{.info = {"_CID", 0,
ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}},
{.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0, 0, 0, 0}}, /* variable (Ints/Strs) */
{.info = {"_CRS", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_CRT", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_CSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (1 Int(n), n-1 Int) */
{.info = {"_CST", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_PKG_COUNT,
ACPI_RTYPE_BUFFER, 1,
ACPI_RTYPE_INTEGER, 3, 0}}, /* variable (1 Int(n), n Pkg (1 Buf/3 Int) */
{.info = {"_DCK", 1, ACPI_RTYPE_INTEGER}},
{.info = {"_DCS", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
{.info = {"_DDN", 0, ACPI_RTYPE_STRING}},
{.info = {"_DGS", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_DIS", 0, 0}},
{.info = {"_DMA", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_DOD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Ints) */
{.info = {"_DOS", 1, 0}},
{.info = {"_DSM", 4, ACPI_RTYPE_ALL}}, /* Must return a type, but it can be of any type */
{.info = {"_DSS", 1, 0}},
{.info = {"_DSW", 3, 0}},
{.info = {"_EC_", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_EDL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_EJ0", 1, 0}},
{.info = {"_EJ1", 1, 0}},
{.info = {"_EJ2", 1, 0}},
{.info = {"_EJ3", 1, 0}},
{.info = {"_EJ4", 1, 0}},
{.info = {"_EJD", 0, ACPI_RTYPE_STRING}},
{.info = {"_FDE", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_FDI", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, 0, 0, 0}}, /* fixed (16 Int) */
{.info = {"_FDM", 1, 0}},
{.info = {"_FIX", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Ints) */
{.info = {"_GLK", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_GPD", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */
{.info = {"_GSB", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_GTF", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_GTM", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_GTS", 1, 0}},
{.info = {"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
{.info = {"_HOT", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_HPP", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}}, /* fixed (4 Int) */
static const union acpi_predefined_info predefined_names[] =
{
{{"_AC0", 0, ACPI_RTYPE_INTEGER}},
{{"_AC1", 0, ACPI_RTYPE_INTEGER}},
{{"_AC2", 0, ACPI_RTYPE_INTEGER}},
{{"_AC3", 0, ACPI_RTYPE_INTEGER}},
{{"_AC4", 0, ACPI_RTYPE_INTEGER}},
{{"_AC5", 0, ACPI_RTYPE_INTEGER}},
{{"_AC6", 0, ACPI_RTYPE_INTEGER}},
{{"_AC7", 0, ACPI_RTYPE_INTEGER}},
{{"_AC8", 0, ACPI_RTYPE_INTEGER}},
{{"_AC9", 0, ACPI_RTYPE_INTEGER}},
{{"_ADR", 0, ACPI_RTYPE_INTEGER}},
{{"_AL0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL4", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL5", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL6", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL7", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL8", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_AL9", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_ALC", 0, ACPI_RTYPE_INTEGER}},
{{"_ALI", 0, ACPI_RTYPE_INTEGER}},
{{"_ALP", 0, ACPI_RTYPE_INTEGER}},
{{"_ALR", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2 (Ints) */
{{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2,0}, 0,0}},
{{"_ALT", 0, ACPI_RTYPE_INTEGER}},
{{"_ART", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(rev), n Pkg (2 Ref/11 Int) */
{{{ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER},
11, 0}},
{{"_BBN", 0, ACPI_RTYPE_INTEGER}},
{{"_BCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
{{"_BCM", 1, 0}},
{{"_BCT", 1, ACPI_RTYPE_INTEGER}},
{{"_BDN", 0, ACPI_RTYPE_INTEGER}},
{{"_BFS", 1, 0}},
{{"_BIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (9 Int),(4 Str) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9, ACPI_RTYPE_STRING}, 4,0}},
{{"_BIX", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int),(4 Str) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING}, 4,
0}},
{{"_BLT", 3, 0}},
{{"_BMA", 1, ACPI_RTYPE_INTEGER}},
{{"_BMC", 1, 0}},
{{"_BMD", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (5 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
{{"_BMS", 1, ACPI_RTYPE_INTEGER}},
{{"_BQC", 0, ACPI_RTYPE_INTEGER}},
{{"_BST", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
{{"_BTM", 1, ACPI_RTYPE_INTEGER}},
{{"_BTP", 1, 0}},
{{"_CBA", 0, ACPI_RTYPE_INTEGER}}, /* See PCI firmware spec 3.0 */
{{"_CDM", 0, ACPI_RTYPE_INTEGER}},
{{"_CID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Strs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,0}, 0,0}},
{{"_CRS", 0, ACPI_RTYPE_BUFFER}},
{{"_CRT", 0, ACPI_RTYPE_INTEGER}},
{{"_CSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n-1 Int) */
{{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
{{"_CST", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */
{{{ACPI_PTYPE2_PKG_COUNT,ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,0}},
{{"_DCK", 1, ACPI_RTYPE_INTEGER}},
{{"_DCS", 0, ACPI_RTYPE_INTEGER}},
{{"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
{{"_DDN", 0, ACPI_RTYPE_STRING}},
{{"_DGS", 0, ACPI_RTYPE_INTEGER}},
{{"_DIS", 0, 0}},
{{"_DMA", 0, ACPI_RTYPE_BUFFER}},
{{"_DOD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
{{"_DOS", 1, 0}},
{{"_DSM", 4, ACPI_RTYPE_ALL}}, /* Must return a type, but it can be of any type */
{{"_DSS", 1, 0}},
{{"_DSW", 3, 0}},
{{"_DTI", 1, 0}},
{{"_EC_", 0, ACPI_RTYPE_INTEGER}},
{{"_EDL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs)*/
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_EJ0", 1, 0}},
{{"_EJ1", 1, 0}},
{{"_EJ2", 1, 0}},
{{"_EJ3", 1, 0}},
{{"_EJ4", 1, 0}},
{{"_EJD", 0, ACPI_RTYPE_STRING}},
{{"_FDE", 0, ACPI_RTYPE_BUFFER}},
{{"_FDI", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,0}, 0,0}},
{{"_FDM", 1, 0}},
{{"_FIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0}, 0, 0}},
{{"_FIX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
{{"_FPS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(rev), n Pkg (5 Int) */
{{{ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_INTEGER, 5, 0}, 0, 0}},
{{"_FSL", 1, 0}},
{{"_FST", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (3 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0}, 0, 0}},
{{"_GAI", 0, ACPI_RTYPE_INTEGER}},
{{"_GHL", 0, ACPI_RTYPE_INTEGER}},
{{"_GLK", 0, ACPI_RTYPE_INTEGER}},
{{"_GPD", 0, ACPI_RTYPE_INTEGER}},
{{"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */
{{"_GSB", 0, ACPI_RTYPE_INTEGER}},
{{"_GTF", 0, ACPI_RTYPE_BUFFER}},
{{"_GTM", 0, ACPI_RTYPE_BUFFER}},
{{"_GTS", 1, 0}},
{{"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
{{"_HOT", 0, ACPI_RTYPE_INTEGER}},
{{"_HPP", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
/*
* For _HPX, a single package is returned, containing a variable number of sub-packages.
* Each sub-package contains a PCI record setting. There are several different type of
* record settings, of different lengths, but all elements of all settings are Integers.
* For _HPX, a single package is returned, containing a Variable-length number
* of sub-packages. Each sub-package contains a PCI record setting.
* There are several different type of record settings, of different
* lengths, but all elements of all settings are Integers.
*/
{.info = {"_HPX", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* variable (Pkgs) each (var Ints) */
{.info = {"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* see IPMI spec */
{.info = {"_INI", 0, 0}},
{.info = {"_IRC", 0, 0}},
{.info = {"_LCK", 1, 0}},
{.info = {"_LID", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_MAT", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_MLS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_STRING, 2, 0, 0, 0}}, /* variable (Pkgs) each (2 Str) */
{.info = {"_MSG", 1, 0}},
{.info = {"_OFF", 0, 0}},
{.info = {"_ON_", 0, 0}},
{.info = {"_OS_", 0, ACPI_RTYPE_STRING}},
{.info = {"_OSC", 4, ACPI_RTYPE_BUFFER}},
{.info = {"_OST", 3, 0}},
{.info = {"_PCL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_PCT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0}}, /* fixed (2 Buf) */
{.info = {"_PDC", 1, 0}},
{.info = {"_PIC", 1, 0}},
{.info = {"_PLD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0, 0, 0, 0}}, /* variable (Bufs) */
{.info = {"_PPC", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_PPE", 0, ACPI_RTYPE_INTEGER}}, /* see dig64 spec */
{.info = {"_PR0", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_PR1", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_PR2", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_PRS", 0, ACPI_RTYPE_BUFFER}},
{{"_HPX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (var Ints) */
{{{ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
{{"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
{{"_INI", 0, 0}},
{{"_IRC", 0, 0}},
{{"_LCK", 1, 0}},
{{"_LID", 0, ACPI_RTYPE_INTEGER}},
{{"_MAT", 0, ACPI_RTYPE_BUFFER}},
{{"_MBM", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (8 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 8, 0}, 0, 0}},
{{"_MLS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (2 Str) */
{{{ACPI_PTYPE2, ACPI_RTYPE_STRING, 2,0}, 0,0}},
{{"_MSG", 1, 0}},
{{"_MSM", 4, ACPI_RTYPE_INTEGER}},
{{"_NTT", 0, ACPI_RTYPE_INTEGER}},
{{"_OFF", 0, 0}},
{{"_ON_", 0, 0}},
{{"_OS_", 0, ACPI_RTYPE_STRING}},
{{"_OSC", 4, ACPI_RTYPE_BUFFER}},
{{"_OST", 3, 0}},
{{"_PAI", 1, ACPI_RTYPE_INTEGER}},
{{"_PCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_PCT", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
{{"_PDC", 1, 0}},
{{"_PDL", 0, ACPI_RTYPE_INTEGER}},
{{"_PIC", 1, 0}},
{{"_PIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (3 Int),(3 Str) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, ACPI_RTYPE_STRING}, 3, 0}},
{{"_PLD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Bufs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0,0}, 0,0}},
{{"_PMC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (11 Int),(3 Str) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 11, ACPI_RTYPE_STRING}, 3,
0}},
{{"_PMD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
{{"_PMM", 0, ACPI_RTYPE_INTEGER}},
{{"_PPC", 0, ACPI_RTYPE_INTEGER}},
{{"_PPE", 0, ACPI_RTYPE_INTEGER}}, /* See dig64 spec */
{{"_PR0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_PR1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_PR2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_PR3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
{{"_PRL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
{{"_PRS", 0, ACPI_RTYPE_BUFFER}},
/*
* For _PRT, many BIOSs reverse the 2nd and 3rd Package elements. This bug is so prevalent that there
* is code in the ACPICA Resource Manager to detect this and switch them back. For now, do not allow
* and issue a warning. To allow this and eliminate the warning, add the ACPI_RTYPE_REFERENCE
* type to the 2nd element (index 1) in the statement below.
* For _PRT, many BIOSs reverse the 3rd and 4th Package elements (Source
* and source_index). This bug is so prevalent that there is code in the
* ACPICA Resource Manager to detect this and switch them back. For now,
* do not allow and issue a warning. To allow this and eliminate the
* warning, add the ACPI_RTYPE_REFERENCE type to the 4th element (index 3)
* in the statement below.
*/
{.info = {"_PRT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_FIXED, 4,
ACPI_RTYPE_INTEGER,
ACPI_RTYPE_INTEGER,
ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE, ACPI_RTYPE_INTEGER}}, /* variable (Pkgs) each (4): Int,Int,Int/Ref,Int */
{{"_PRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (4): Int,Int,Int/Ref,Int */
{{{ACPI_PTYPE2_FIXED, 4, ACPI_RTYPE_INTEGER,ACPI_RTYPE_INTEGER},
ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE,
ACPI_RTYPE_INTEGER}},
{.info = {"_PRW", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_OPTION, 2,
ACPI_RTYPE_INTEGER |
ACPI_RTYPE_PACKAGE,
ACPI_RTYPE_INTEGER, ACPI_RTYPE_REFERENCE, 0}}, /* variable (Pkgs) each: Pkg/Int,Int,[variable Refs] (Pkg is Ref/Int) */
{{"_PRW", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each: Pkg/Int,Int,[Variable-length Refs] (Pkg is Ref/Int) */
{{{ACPI_PTYPE1_OPTION, 2, ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE,
ACPI_RTYPE_INTEGER}, ACPI_RTYPE_REFERENCE,0}},
{.info = {"_PS0", 0, 0}},
{.info = {"_PS1", 0, 0}},
{.info = {"_PS2", 0, 0}},
{.info = {"_PS3", 0, 0}},
{.info = {"_PSC", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_PSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}}, /* variable (Pkgs) each (5 Int) with count */
{.info = {"_PSL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_PSR", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_PSS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6, 0, 0, 0}}, /* variable (Pkgs) each (6 Int) */
{.info = {"_PSV", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_PSW", 1, 0}},
{.info = {"_PTC", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0}}, /* fixed (2 Buf) */
{.info = {"_PTS", 1, 0}},
{.info = {"_PXM", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_REG", 2, 0}},
{.info = {"_REV", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_RMV", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_ROM", 2, ACPI_RTYPE_BUFFER}},
{.info = {"_RTV", 0, ACPI_RTYPE_INTEGER}},
{{"_PS0", 0, 0}},
{{"_PS1", 0, 0}},
{{"_PS2", 0, 0}},
{{"_PS3", 0, 0}},
{{"_PSC", 0, ACPI_RTYPE_INTEGER}},
{{"_PSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (5 Int) with count */
{{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER,0,0}, 0,0}},
{{"_PSL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_PSR", 0, ACPI_RTYPE_INTEGER}},
{{"_PSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (6 Int) */
{{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6,0}, 0,0}},
{{"_PSV", 0, ACPI_RTYPE_INTEGER}},
{{"_PSW", 1, 0}},
{{"_PTC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
{{"_PTP", 2, ACPI_RTYPE_INTEGER}},
{{"_PTS", 1, 0}},
{{"_PUR", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0}, 0, 0}},
{{"_PXM", 0, ACPI_RTYPE_INTEGER}},
{{"_REG", 2, 0}},
{{"_REV", 0, ACPI_RTYPE_INTEGER}},
{{"_RMV", 0, ACPI_RTYPE_INTEGER}},
{{"_ROM", 2, ACPI_RTYPE_BUFFER}},
{{"_RTV", 0, ACPI_RTYPE_INTEGER}},
/*
* For _S0_ through _S5_, the ACPI spec defines a return Package containing 1 Integer,
* but most DSDTs have it wrong - 2,3, or 4 integers. Allow this by making the objects "variable length",
* but all elements must be Integers.
* For _S0_ through _S5_, the ACPI spec defines a return Package
* containing 1 Integer, but most DSDTs have it wrong - 2,3, or 4 integers.
* Allow this by making the objects "Variable-length length", but all elements
* must be Integers.
*/
{.info = {"_S0_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
{.info = {"_S1_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
{.info = {"_S2_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
{.info = {"_S3_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
{.info = {"_S4_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
{.info = {"_S5_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}}, /* fixed (1 Int) */
{{"_S0_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
{.info = {"_S1D", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S2D", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S3D", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S4D", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S0W", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S1W", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S2W", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S3W", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_S4W", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_SBS", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_SCP", 0x13, 0}}, /* Acpi 1.0 allowed 1 arg. Acpi 3.0 expanded to 3 args. Allow both. */
/* Note: the 3-arg definition may be removed for ACPI 4.0 */
{.info = {"_SDD", 1, 0}},
{.info = {"_SEG", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_SLI", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_SPD", 1, ACPI_RTYPE_INTEGER}},
{.info = {"_SRS", 1, 0}},
{.info = {"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* see IPMI spec */
{.info = {"_SST", 1, 0}},
{.info = {"_STA", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_STM", 3, 0}},
{.info = {"_STR", 0, ACPI_RTYPE_BUFFER}},
{.info = {"_SUN", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_SWS", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_TC1", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_TC2", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_TMP", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_TPC", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_TPT", 1, 0}},
{.info = {"_TRT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2,
ACPI_RTYPE_INTEGER, 6, 0}}, /* variable (Pkgs) each 2_ref/6_int */
{.info = {"_TSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* variable (Pkgs) each 5_int with count */
{.info = {"_TSP", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_TSS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}}, /* variable (Pkgs) each 5_int */
{.info = {"_TST", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_TTS", 1, 0}},
{.info = {"_TZD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}}, /* variable (Refs) */
{.info = {"_TZM", 0, ACPI_RTYPE_REFERENCE}},
{.info = {"_TZP", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_UID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
{.info = {"_UPC", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}}, /* fixed (4 Int) */
{.info = {"_UPD", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_UPP", 0, ACPI_RTYPE_INTEGER}},
{.info = {"_VPO", 0, ACPI_RTYPE_INTEGER}},
{{"_S1_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
{{"_S2_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
{{"_S3_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
{{"_S4_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
{{"_S5_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
{{"_S1D", 0, ACPI_RTYPE_INTEGER}},
{{"_S2D", 0, ACPI_RTYPE_INTEGER}},
{{"_S3D", 0, ACPI_RTYPE_INTEGER}},
{{"_S4D", 0, ACPI_RTYPE_INTEGER}},
{{"_S0W", 0, ACPI_RTYPE_INTEGER}},
{{"_S1W", 0, ACPI_RTYPE_INTEGER}},
{{"_S2W", 0, ACPI_RTYPE_INTEGER}},
{{"_S3W", 0, ACPI_RTYPE_INTEGER}},
{{"_S4W", 0, ACPI_RTYPE_INTEGER}},
{{"_SBS", 0, ACPI_RTYPE_INTEGER}},
{{"_SCP", 0x13, 0}}, /* Acpi 1.0 allowed 1 arg. Acpi 3.0 expanded to 3 args. Allow both. */
/* Note: the 3-arg definition may be removed for ACPI 4.0 */
{{"_SDD", 1, 0}},
{{"_SEG", 0, ACPI_RTYPE_INTEGER}},
{{"_SHL", 1, ACPI_RTYPE_INTEGER}},
{{"_SLI", 0, ACPI_RTYPE_BUFFER}},
{{"_SPD", 1, ACPI_RTYPE_INTEGER}},
{{"_SRS", 1, 0}},
{{"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
{{"_SST", 1, 0}},
{{"_STA", 0, ACPI_RTYPE_INTEGER}},
{{"_STM", 3, 0}},
{{"_STP", 2, ACPI_RTYPE_INTEGER}},
{{"_STR", 0, ACPI_RTYPE_BUFFER}},
{{"_STV", 2, ACPI_RTYPE_INTEGER}},
{{"_SUN", 0, ACPI_RTYPE_INTEGER}},
{{"_SWS", 0, ACPI_RTYPE_INTEGER}},
{{"_TC1", 0, ACPI_RTYPE_INTEGER}},
{{"_TC2", 0, ACPI_RTYPE_INTEGER}},
{{"_TIP", 1, ACPI_RTYPE_INTEGER}},
{{"_TIV", 1, ACPI_RTYPE_INTEGER}},
{{"_TMP", 0, ACPI_RTYPE_INTEGER}},
{{"_TPC", 0, ACPI_RTYPE_INTEGER}},
{{"_TPT", 1, 0}},
{{"_TRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2_ref/6_int */
{{{ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER}, 6, 0}},
{{"_TSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int with count */
{{{ACPI_PTYPE2_COUNT,ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
{{"_TSP", 0, ACPI_RTYPE_INTEGER}},
{{"_TSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int */
{{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
{{"_TST", 0, ACPI_RTYPE_INTEGER}},
{{"_TTS", 1, 0}},
{{"_TZD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
{{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
{{"_TZM", 0, ACPI_RTYPE_REFERENCE}},
{{"_TZP", 0, ACPI_RTYPE_INTEGER}},
{{"_UID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
{{"_UPC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
{{"_UPD", 0, ACPI_RTYPE_INTEGER}},
{{"_UPP", 0, ACPI_RTYPE_INTEGER}},
{{"_VPO", 0, ACPI_RTYPE_INTEGER}},
/* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */
{.info = {"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
{.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0, 0, 0}}, /* fixed (2 Int), but is optional */
{.ret_info = {0, 0, 0, 0, 0, 0}} /* Table terminator */
{{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
{{{0,0,0,0}, 0,0}} /* Table terminator */
};
#if 0
/* Not implemented */
{
"_WDG", 0, ACPI_RTYPE_BUFFER}, /* MS Extension */
{{"_WDG", 0, ACPI_RTYPE_BUFFER}}, /* MS Extension */
{{"_WED", 1, ACPI_RTYPE_PACKAGE}}, /* MS Extension */
{
"_WED", 1, ACPI_RTYPE_PACKAGE}, /* MS Extension */
/* This is an internally implemented control method, no need to check */
{{"_OSI", 1, ACPI_RTYPE_INTEGER}},
/* This is an internally implemented control method, no need to check */
{
"_OSI", 1, ACPI_RTYPE_INTEGER},
/* TBD: */
_PRT - currently ignore reversed entries. attempt to fix here?
think about possibly fixing package elements like _BIF, etc.
#endif
/* TBD: */
_PRT - currently ignore reversed entries.attempt to fix here ?
think about code that attempts to fix package elements like _BIF, etc.
#endif
#endif

36
drivers/acpi/acpica/acutils.h
View File

@@ -324,26 +324,30 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
acpi_status
acpi_ut_evaluate_numeric_object(char *object_name,
struct acpi_namespace_node *device_node,
acpi_integer * address);
acpi_integer *value);
acpi_status
acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 *status_flags);
acpi_status
acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
const char **method_names,
u8 method_count, u8 *out_values);
/*
* utids - device ID support
*/
acpi_status
acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
struct acpica_device_id *hid);
acpi_status
acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
struct acpi_compatible_id_list **return_cid_list);
acpi_status
acpi_ut_execute_STA(struct acpi_namespace_node *device_node,
u32 * status_flags);
struct acpica_device_id **return_id);
acpi_status
acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
struct acpica_device_id *uid);
struct acpica_device_id **return_id);
acpi_status
acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest);
acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
struct acpica_device_id_list **return_cid_list);
/*
* utlock - reader/writer locks
@@ -445,6 +449,8 @@ acpi_ut_short_divide(acpi_integer in_dividend,
*/
const char *acpi_ut_validate_exception(acpi_status status);
u8 acpi_ut_is_pci_root_bridge(char *id);
u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
@@ -469,6 +475,12 @@ u8 acpi_ut_valid_acpi_char(char character, u32 position);
acpi_status
acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_predefined_warning(const char *module_name,
u32 line_number,
char *pathname,
u8 node_flags, const char *format, ...);
/* Values for Base above (16=Hex, 10=Decimal) */
#define ACPI_ANY_BASE 0

1
drivers/acpi/acpica/amlcode.h
View File

@@ -404,6 +404,7 @@ typedef enum {
REGION_SMBUS,
REGION_CMOS,
REGION_PCI_BAR,
REGION_IPMI,
REGION_DATA_TABLE, /* Internal use only */
REGION_FIXED_HW = 0x7F
} AML_REGION_TYPES;

18
drivers/acpi/acpica/dsfield.c
View File

@@ -123,9 +123,12 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
ACPI_NS_ERROR_IF_FOUND;
/* Mark node temporary if we are executing a method */
if (walk_state->method_node) {
/*
* Mark node temporary if we are executing a normal control
* method. (Don't mark if this is a module-level code method)
*/
if (walk_state->method_node &&
!(walk_state->parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
flags |= ACPI_NS_TEMPORARY;
}
@@ -456,9 +459,12 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
ACPI_NS_ERROR_IF_FOUND;
/* Mark node(s) temporary if we are executing a method */
if (walk_state->method_node) {
/*
* Mark node(s) temporary if we are executing a normal control
* method. (Don't mark if this is a module-level code method)
*/
if (walk_state->method_node &&
!(walk_state->parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
flags |= ACPI_NS_TEMPORARY;
}

15
drivers/acpi/acpica/dsmethod.c
View File

@@ -578,10 +578,15 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
}
/*
* Delete any namespace objects created anywhere within
* the namespace by the execution of this method
* Delete any namespace objects created anywhere within the
* namespace by the execution of this method. Unless this method
* is a module-level executable code method, in which case we
* want make the objects permanent.
*/
acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id);
if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
acpi_ns_delete_namespace_by_owner(method_desc->method.
owner_id);
}
}
/* Decrement the thread count on the method */
@@ -622,7 +627,9 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
/* No more threads, we can free the owner_id */
acpi_ut_release_owner_id(&method_desc->method.owner_id);
if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
acpi_ut_release_owner_id(&method_desc->method.owner_id);
}
}
return_VOID;

8
drivers/acpi/acpica/dsmthdat.c
View File

@@ -433,10 +433,10 @@ acpi_ds_method_data_get_value(u8 type,
case ACPI_REFCLASS_LOCAL:
ACPI_ERROR((AE_INFO,
"Uninitialized Local[%d] at node %p",
index, node));
/*
* No error message for this case, will be trapped again later to
* detect and ignore cases of Store(local_x,local_x)
*/
return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL);
default:

23
drivers/acpi/acpica/dsobject.c
View File

@@ -482,14 +482,27 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
if (arg) {
/*
* num_elements was exhausted, but there are remaining elements in the
* package_list.
* package_list. Truncate the package to num_elements.
*
* Note: technically, this is an error, from ACPI spec: "It is an error
* for NumElements to be less than the number of elements in the
* PackageList". However, for now, we just print an error message and
* no exception is returned.
* PackageList". However, we just print an error message and
* no exception is returned. This provides Windows compatibility. Some
* BIOSs will alter the num_elements on the fly, creating this type
* of ill-formed package object.
*/
while (arg) {
/*
* We must delete any package elements that were created earlier
* and are not going to be used because of the package truncation.
*/
if (arg->common.node) {
acpi_ut_remove_reference(ACPI_CAST_PTR
(union
acpi_operand_object,
arg->common.node));
arg->common.node = NULL;
}
/* Find out how many elements there really are */
@@ -498,7 +511,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
}
ACPI_WARNING((AE_INFO,
"Package List length (%X) larger than NumElements count (%X), truncated\n",
"Package List length (0x%X) larger than NumElements count (0x%X), truncated\n",
i, element_count));
} else if (i < element_count) {
/*
@@ -506,7 +519,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
* Note: this is not an error, the package is padded out with NULLs.
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Package List length (%X) smaller than NumElements count (%X), padded with null elements\n",
"Package List length (0x%X) smaller than NumElements count (0x%X), padded with null elements\n",
i, element_count));
}

41
drivers/acpi/acpica/dswload.c
View File

@@ -581,21 +581,6 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
(walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
(!(walk_state->op_info->flags & AML_NAMED))) {
#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
(walk_state->op_info->class == AML_CLASS_CONTROL)) {
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"Begin/EXEC: %s (fl %8.8X)\n",
walk_state->op_info->name,
walk_state->op_info->flags));
/* Executing a type1 or type2 opcode outside of a method */
status =
acpi_ds_exec_begin_op(walk_state, out_op);
return_ACPI_STATUS(status);
}
#endif
return_ACPI_STATUS(AE_OK);
}
@@ -768,7 +753,13 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
/* Execution mode, node cannot already exist, node is temporary */
flags |= (ACPI_NS_ERROR_IF_FOUND | ACPI_NS_TEMPORARY);
flags |= ACPI_NS_ERROR_IF_FOUND;
if (!
(walk_state->
parse_flags & ACPI_PARSE_MODULE_LEVEL)) {
flags |= ACPI_NS_TEMPORARY;
}
}
/* Add new entry or lookup existing entry */
@@ -851,24 +842,6 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
/* Check if opcode had an associated namespace object */
if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
#ifndef ACPI_NO_METHOD_EXECUTION
#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
/* No namespace object. Executable opcode? */
if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
(walk_state->op_info->class == AML_CLASS_CONTROL)) {
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"End/EXEC: %s (fl %8.8X)\n",
walk_state->op_info->name,
walk_state->op_info->flags));
/* Executing a type1 or type2 opcode outside of a method */
status = acpi_ds_exec_end_op(walk_state);
return_ACPI_STATUS(status);
}
#endif
#endif
return_ACPI_STATUS(AE_OK);
}

8
drivers/acpi/acpica/evgpe.c
View File

@@ -424,8 +424,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
/* Read the Status Register */
status =
acpi_read(&status_reg,
&gpe_register_info->status_address);
acpi_hw_read(&status_reg,
&gpe_register_info->status_address);
if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
@@ -433,8 +433,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
/* Read the Enable Register */
status =
acpi_read(&enable_reg,
&gpe_register_info->enable_address);
acpi_hw_read(&enable_reg,
&gpe_register_info->enable_address);
if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}

4
drivers/acpi/acpica/evgpeblk.c
View File

@@ -843,14 +843,14 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
/* Disable all GPEs within this register */
status = acpi_write(0x00, &this_register->enable_address);
status = acpi_hw_write(0x00, &this_register->enable_address);
if (ACPI_FAILURE(status)) {
goto error_exit;
}
/* Clear any pending GPE events within this register */
status = acpi_write(0xFF, &this_register->status_address);
status = acpi_hw_write(0xFF, &this_register->status_address);
if (ACPI_FAILURE(status)) {
goto error_exit;
}

45
drivers/acpi/acpica/evrgnini.c
View File

@@ -50,8 +50,6 @@
ACPI_MODULE_NAME("evrgnini")
/* Local prototypes */
static u8 acpi_ev_match_pci_root_bridge(char *id);
static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node);
/*******************************************************************************
@@ -330,37 +328,6 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_match_pci_root_bridge
*
* PARAMETERS: Id - The HID/CID in string format
*
* RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
*
* DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
*
******************************************************************************/
static u8 acpi_ev_match_pci_root_bridge(char *id)
{
/*
* Check if this is a PCI root.
* ACPI 3.0+: check for a PCI Express root also.
*/
if (!(ACPI_STRNCMP(id,
PCI_ROOT_HID_STRING,
sizeof(PCI_ROOT_HID_STRING))) ||
!(ACPI_STRNCMP(id,
PCI_EXPRESS_ROOT_HID_STRING,
sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) {
return (TRUE);
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_is_pci_root_bridge
@@ -377,9 +344,10 @@ static u8 acpi_ev_match_pci_root_bridge(char *id)
static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
{
acpi_status status;
struct acpica_device_id hid;
struct acpi_compatible_id_list *cid;
struct acpica_device_id *hid;
struct acpica_device_id_list *cid;
u32 i;
u8 match;
/* Get the _HID and check for a PCI Root Bridge */
@@ -388,7 +356,10 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
return (FALSE);
}
if (acpi_ev_match_pci_root_bridge(hid.value)) {
match = acpi_ut_is_pci_root_bridge(hid->string);
ACPI_FREE(hid);
if (match) {
return (TRUE);
}
@@ -402,7 +373,7 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
/* Check all _CIDs in the returned list */
for (i = 0; i < cid->count; i++) {
if (acpi_ev_match_pci_root_bridge(cid->id[i].value)) {
if (acpi_ut_is_pci_root_bridge(cid->ids[i].string)) {
ACPI_FREE(cid);
return (TRUE);
}

7
drivers/acpi/acpica/exconfig.c
View File

@@ -110,8 +110,15 @@ acpi_ex_add_table(u32 table_index,
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(obj_desc);
*ddb_handle = NULL;
return_ACPI_STATUS(status);
}
/* Execute any module-level code that was found in the table */
acpi_ex_exit_interpreter();
acpi_ns_exec_module_code_list();
acpi_ex_enter_interpreter();
return_ACPI_STATUS(status);
}

6
drivers/acpi/acpica/exdump.c
View File

@@ -418,9 +418,9 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
case ACPI_EXD_REFERENCE:
acpi_ex_out_string("Class Name",
(char *)
acpi_ut_get_reference_name
(obj_desc));
ACPI_CAST_PTR(char,
acpi_ut_get_reference_name
(obj_desc)));
acpi_ex_dump_reference_obj(obj_desc);
break;

82
drivers/acpi/acpica/exfield.c
View File

@@ -72,6 +72,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
union acpi_operand_object *buffer_desc;
acpi_size length;
void *buffer;
u32 function;
ACPI_FUNCTION_TRACE_PTR(ex_read_data_from_field, obj_desc);
@@ -97,13 +98,27 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
}
} else if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
(obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_SMBUS)) {
ACPI_ADR_SPACE_SMBUS
|| obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_IPMI)) {
/*
* This is an SMBus read. We must create a buffer to hold the data
* and directly access the region handler.
* This is an SMBus or IPMI read. We must create a buffer to hold
* the data and then directly access the region handler.
*
* Note: Smbus protocol value is passed in upper 16-bits of Function
*/
buffer_desc =
acpi_ut_create_buffer_object(ACPI_SMBUS_BUFFER_SIZE);
if (obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_SMBUS) {
length = ACPI_SMBUS_BUFFER_SIZE;
function =
ACPI_READ | (obj_desc->field.attribute << 16);
} else { /* IPMI */
length = ACPI_IPMI_BUFFER_SIZE;
function = ACPI_READ;
}
buffer_desc = acpi_ut_create_buffer_object(length);
if (!buffer_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -112,16 +127,13 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags);
/*
* Perform the read.
* Note: Smbus protocol value is passed in upper 16-bits of Function
*/
/* Call the region handler for the read */
status = acpi_ex_access_region(obj_desc, 0,
ACPI_CAST_PTR(acpi_integer,
buffer_desc->
buffer.pointer),
ACPI_READ | (obj_desc->field.
attribute << 16));
function);
acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
goto exit;
}
@@ -212,6 +224,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
u32 length;
void *buffer;
union acpi_operand_object *buffer_desc;
u32 function;
ACPI_FUNCTION_TRACE_PTR(ex_write_data_to_field, obj_desc);
@@ -234,39 +247,56 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
}
} else if ((obj_desc->common.type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
(obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_SMBUS)) {
ACPI_ADR_SPACE_SMBUS
|| obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_IPMI)) {
/*
* This is an SMBus write. We will bypass the entire field mechanism
* and handoff the buffer directly to the handler.
* This is an SMBus or IPMI write. We will bypass the entire field
* mechanism and handoff the buffer directly to the handler. For
* these address spaces, the buffer is bi-directional; on a write,
* return data is returned in the same buffer.
*
* Source must be a buffer of sufficient size (ACPI_SMBUS_BUFFER_SIZE).
* Source must be a buffer of sufficient size:
* ACPI_SMBUS_BUFFER_SIZE or ACPI_IPMI_BUFFER_SIZE.
*
* Note: SMBus protocol type is passed in upper 16-bits of Function
*/
if (source_desc->common.type != ACPI_TYPE_BUFFER) {
ACPI_ERROR((AE_INFO,
"SMBus write requires Buffer, found type %s",
"SMBus or IPMI write requires Buffer, found type %s",
acpi_ut_get_object_type_name(source_desc)));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) {
if (obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_SMBUS) {
length = ACPI_SMBUS_BUFFER_SIZE;
function =
ACPI_WRITE | (obj_desc->field.attribute << 16);
} else { /* IPMI */
length = ACPI_IPMI_BUFFER_SIZE;
function = ACPI_WRITE;
}
if (source_desc->buffer.length < length) {
ACPI_ERROR((AE_INFO,
"SMBus write requires Buffer of length %X, found length %X",
ACPI_SMBUS_BUFFER_SIZE,
source_desc->buffer.length));
"SMBus or IPMI write requires Buffer of length %X, found length %X",
length, source_desc->buffer.length));
return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
}
buffer_desc =
acpi_ut_create_buffer_object(ACPI_SMBUS_BUFFER_SIZE);
/* Create the bi-directional buffer */
buffer_desc = acpi_ut_create_buffer_object(length);
if (!buffer_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
buffer = buffer_desc->buffer.pointer;
ACPI_MEMCPY(buffer, source_desc->buffer.pointer,
ACPI_SMBUS_BUFFER_SIZE);
ACPI_MEMCPY(buffer, source_desc->buffer.pointer, length);
/* Lock entire transaction if requested */
@@ -275,12 +305,10 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
/*
* Perform the write (returns status and perhaps data in the
* same buffer)
* Note: SMBus protocol type is passed in upper 16-bits of Function.
*/
status = acpi_ex_access_region(obj_desc, 0,
(acpi_integer *) buffer,
ACPI_WRITE | (obj_desc->field.
attribute << 16));
function);
acpi_ex_release_global_lock(obj_desc->common_field.field_flags);
*result_desc = buffer_desc;

7
drivers/acpi/acpica/exfldio.c
View File

@@ -120,12 +120,13 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
}
/*
* Exit now for SMBus address space, it has a non-linear address space
* Exit now for SMBus or IPMI address space, it has a non-linear address space
* and the request cannot be directly validated
*/
if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS) {
if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS ||
rgn_desc->region.space_id == ACPI_ADR_SPACE_IPMI) {
/* SMBus has a non-linear address space */
/* SMBus or IPMI has a non-linear address space */
return_ACPI_STATUS(AE_OK);
}

53
drivers/acpi/acpica/exutils.c
View File

@@ -358,50 +358,67 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
*
* FUNCTION: acpi_ex_eisa_id_to_string
*
* PARAMETERS: numeric_id - EISA ID to be converted
* PARAMETERS: compressed_id - EISAID to be converted
* out_string - Where to put the converted string (8 bytes)
*
* RETURN: None
*
* DESCRIPTION: Convert a numeric EISA ID to string representation
* DESCRIPTION: Convert a numeric EISAID to string representation. Return
* buffer must be large enough to hold the string. The string
* returned is always exactly of length ACPI_EISAID_STRING_SIZE
* (includes null terminator). The EISAID is always 32 bits.
*
******************************************************************************/
void acpi_ex_eisa_id_to_string(u32 numeric_id, char *out_string)
void acpi_ex_eisa_id_to_string(char *out_string, acpi_integer compressed_id)
{
u32 eisa_id;
u32 swapped_id;
ACPI_FUNCTION_ENTRY();
/* The EISAID should be a 32-bit integer */
if (compressed_id > ACPI_UINT32_MAX) {
ACPI_WARNING((AE_INFO,
"Expected EISAID is larger than 32 bits: 0x%8.8X%8.8X, truncating",
ACPI_FORMAT_UINT64(compressed_id)));
}
/* Swap ID to big-endian to get contiguous bits */
eisa_id = acpi_ut_dword_byte_swap(numeric_id);
swapped_id = acpi_ut_dword_byte_swap((u32)compressed_id);
out_string[0] = (char)('@' + (((unsigned long)eisa_id >> 26) & 0x1f));
out_string[1] = (char)('@' + ((eisa_id >> 21) & 0x1f));
out_string[2] = (char)('@' + ((eisa_id >> 16) & 0x1f));
out_string[3] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 12);
out_string[4] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 8);
out_string[5] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 4);
out_string[6] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 0);
/* First 3 bytes are uppercase letters. Next 4 bytes are hexadecimal */
out_string[0] =
(char)(0x40 + (((unsigned long)swapped_id >> 26) & 0x1F));
out_string[1] = (char)(0x40 + ((swapped_id >> 21) & 0x1F));
out_string[2] = (char)(0x40 + ((swapped_id >> 16) & 0x1F));
out_string[3] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 12);
out_string[4] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 8);
out_string[5] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 4);
out_string[6] = acpi_ut_hex_to_ascii_char((acpi_integer)swapped_id, 0);
out_string[7] = 0;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_unsigned_integer_to_string
* FUNCTION: acpi_ex_integer_to_string
*
* PARAMETERS: Value - Value to be converted
* out_string - Where to put the converted string (8 bytes)
* PARAMETERS: out_string - Where to put the converted string. At least
* 21 bytes are needed to hold the largest
* possible 64-bit integer.
* Value - Value to be converted
*
* RETURN: None, string
*
* DESCRIPTION: Convert a number to string representation. Assumes string
* buffer is large enough to hold the string.
* DESCRIPTION: Convert a 64-bit integer to decimal string representation.
* Assumes string buffer is large enough to hold the string. The
* largest string is (ACPI_MAX64_DECIMAL_DIGITS + 1).
*
******************************************************************************/
void acpi_ex_unsigned_integer_to_string(acpi_integer value, char *out_string)
void acpi_ex_integer_to_string(char *out_string, acpi_integer value)
{
u32 count;
u32 digits_needed;

34
drivers/acpi/acpica/hwgpe.c
View File

@@ -82,7 +82,7 @@ acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
/* Get current value of the enable register that contains this GPE */
status = acpi_read(&enable_mask, &gpe_register_info->enable_address);
status = acpi_hw_read(&enable_mask, &gpe_register_info->enable_address);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -95,7 +95,7 @@ acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
/* Write the updated enable mask */
status = acpi_write(enable_mask, &gpe_register_info->enable_address);
status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address);
return (status);
}
@@ -130,8 +130,8 @@ acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info)
/* Write the entire GPE (runtime) enable register */
status = acpi_write(gpe_register_info->enable_for_run,
&gpe_register_info->enable_address);
status = acpi_hw_write(gpe_register_info->enable_for_run,
&gpe_register_info->enable_address);
return (status);
}
@@ -163,8 +163,8 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
* Write a one to the appropriate bit in the status register to
* clear this GPE.
*/
status = acpi_write(register_bit,
&gpe_event_info->register_info->status_address);
status = acpi_hw_write(register_bit,
&gpe_event_info->register_info->status_address);
return (status);
}
@@ -222,7 +222,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
/* GPE currently active (status bit == 1)? */
status = acpi_read(&in_byte, &gpe_register_info->status_address);
status = acpi_hw_read(&in_byte, &gpe_register_info->status_address);
if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
@@ -266,8 +266,8 @@ acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
/* Disable all GPEs in this register */
status =
acpi_write(0x00,
&gpe_block->register_info[i].enable_address);
acpi_hw_write(0x00,
&gpe_block->register_info[i].enable_address);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -303,8 +303,8 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
/* Clear status on all GPEs in this register */
status =
acpi_write(0xFF,
&gpe_block->register_info[i].status_address);
acpi_hw_write(0xFF,
&gpe_block->register_info[i].status_address);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -345,9 +345,9 @@ acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
/* Enable all "runtime" GPEs in this register */
status = acpi_write(gpe_block->register_info[i].enable_for_run,
&gpe_block->register_info[i].
enable_address);
status =
acpi_hw_write(gpe_block->register_info[i].enable_for_run,
&gpe_block->register_info[i].enable_address);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -387,9 +387,9 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
/* Enable all "wake" GPEs in this register */
status = acpi_write(gpe_block->register_info[i].enable_for_wake,
&gpe_block->register_info[i].
enable_address);
status =
acpi_hw_write(gpe_block->register_info[i].enable_for_wake,
&gpe_block->register_info[i].enable_address);
if (ACPI_FAILURE(status)) {
return (status);
}

206
drivers/acpi/acpica/hwregs.c
View File

@@ -62,6 +62,184 @@ acpi_hw_write_multiple(u32 value,
struct acpi_generic_address *register_a,
struct acpi_generic_address *register_b);
/******************************************************************************
*
* FUNCTION: acpi_hw_validate_register
*
* PARAMETERS: Reg - GAS register structure
* max_bit_width - Max bit_width supported (32 or 64)
* Address - Pointer to where the gas->address
* is returned
*
* RETURN: Status
*
* DESCRIPTION: Validate the contents of a GAS register. Checks the GAS
* pointer, Address, space_id, bit_width, and bit_offset.
*
******************************************************************************/
acpi_status
acpi_hw_validate_register(struct acpi_generic_address *reg,
u8 max_bit_width, u64 *address)
{
/* Must have a valid pointer to a GAS structure */
if (!reg) {
return (AE_BAD_PARAMETER);
}
/*
* Copy the target address. This handles possible alignment issues.
* Address must not be null. A null address also indicates an optional
* ACPI register that is not supported, so no error message.
*/
ACPI_MOVE_64_TO_64(address, &reg->address);
if (!(*address)) {
return (AE_BAD_ADDRESS);
}
/* Validate the space_iD */
if ((reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
(reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
ACPI_ERROR((AE_INFO,
"Unsupported address space: 0x%X", reg->space_id));
return (AE_SUPPORT);
}
/* Validate the bit_width */
if ((reg->bit_width != 8) &&
(reg->bit_width != 16) &&
(reg->bit_width != 32) && (reg->bit_width != max_bit_width)) {
ACPI_ERROR((AE_INFO,
"Unsupported register bit width: 0x%X",
reg->bit_width));
return (AE_SUPPORT);
}
/* Validate the bit_offset. Just a warning for now. */
if (reg->bit_offset != 0) {
ACPI_WARNING((AE_INFO,
"Unsupported register bit offset: 0x%X",
reg->bit_offset));
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_hw_read
*
* PARAMETERS: Value - Where the value is returned
* Reg - GAS register structure
*
* RETURN: Status
*
* DESCRIPTION: Read from either memory or IO space. This is a 32-bit max
* version of acpi_read, used internally since the overhead of
* 64-bit values is not needed.
*
* LIMITATIONS: <These limitations also apply to acpi_hw_write>
* bit_width must be exactly 8, 16, or 32.
* space_iD must be system_memory or system_iO.
* bit_offset and access_width are currently ignored, as there has
* not been a need to implement these.
*
******************************************************************************/
acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg)
{
u64 address;
acpi_status status;
ACPI_FUNCTION_NAME(hw_read);
/* Validate contents of the GAS register */
status = acpi_hw_validate_register(reg, 32, &address);
if (ACPI_FAILURE(status)) {
return (status);
}
/* Initialize entire 32-bit return value to zero */
*value = 0;
/*
* Two address spaces supported: Memory or IO. PCI_Config is
* not supported here because the GAS structure is insufficient
*/
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
status = acpi_os_read_memory((acpi_physical_address)
address, value, reg->bit_width);
} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
status = acpi_hw_read_port((acpi_io_address)
address, value, reg->bit_width);
}
ACPI_DEBUG_PRINT((ACPI_DB_IO,
"Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
*value, reg->bit_width, ACPI_FORMAT_UINT64(address),
acpi_ut_get_region_name(reg->space_id)));
return (status);
}
/******************************************************************************
*
* FUNCTION: acpi_hw_write
*
* PARAMETERS: Value - Value to be written
* Reg - GAS register structure
*
* RETURN: Status
*
* DESCRIPTION: Write to either memory or IO space. This is a 32-bit max
* version of acpi_write, used internally since the overhead of
* 64-bit values is not needed.
*
******************************************************************************/
acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg)
{
u64 address;
acpi_status status;
ACPI_FUNCTION_NAME(hw_write);
/* Validate contents of the GAS register */
status = acpi_hw_validate_register(reg, 32, &address);
if (ACPI_FAILURE(status)) {
return (status);
}
/*
* Two address spaces supported: Memory or IO. PCI_Config is
* not supported here because the GAS structure is insufficient
*/
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
status = acpi_os_write_memory((acpi_physical_address)
address, value, reg->bit_width);
} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
status = acpi_hw_write_port((acpi_io_address)
address, value, reg->bit_width);
}
ACPI_DEBUG_PRINT((ACPI_DB_IO,
"Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
value, reg->bit_width, ACPI_FORMAT_UINT64(address),
acpi_ut_get_region_name(reg->space_id)));
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_hw_clear_acpi_status
@@ -152,15 +330,16 @@ acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control)
ACPI_FUNCTION_TRACE(hw_write_pm1_control);
status = acpi_write(pm1a_control, &acpi_gbl_FADT.xpm1a_control_block);
status =
acpi_hw_write(pm1a_control, &acpi_gbl_FADT.xpm1a_control_block);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (acpi_gbl_FADT.xpm1b_control_block.address) {
status =
acpi_write(pm1b_control,
&acpi_gbl_FADT.xpm1b_control_block);
acpi_hw_write(pm1b_control,
&acpi_gbl_FADT.xpm1b_control_block);
}
return_ACPI_STATUS(status);
}
@@ -218,12 +397,13 @@ acpi_hw_register_read(u32 register_id, u32 * return_value)
case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
status = acpi_read(&value, &acpi_gbl_FADT.xpm2_control_block);
status =
acpi_hw_read(&value, &acpi_gbl_FADT.xpm2_control_block);
break;
case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
status = acpi_read(&value, &acpi_gbl_FADT.xpm_timer_block);
status = acpi_hw_read(&value, &acpi_gbl_FADT.xpm_timer_block);
break;
case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
@@ -340,7 +520,8 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
* as per the ACPI spec.
*/
status =
acpi_read(&read_value, &acpi_gbl_FADT.xpm2_control_block);
acpi_hw_read(&read_value,
&acpi_gbl_FADT.xpm2_control_block);
if (ACPI_FAILURE(status)) {
goto exit;
}
@@ -350,12 +531,13 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
ACPI_INSERT_BITS(value, ACPI_PM2_CONTROL_PRESERVED_BITS,
read_value);
status = acpi_write(value, &acpi_gbl_FADT.xpm2_control_block);
status =
acpi_hw_write(value, &acpi_gbl_FADT.xpm2_control_block);
break;
case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
status = acpi_write(value, &acpi_gbl_FADT.xpm_timer_block);
status = acpi_hw_write(value, &acpi_gbl_FADT.xpm_timer_block);
break;
case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
@@ -401,7 +583,7 @@ acpi_hw_read_multiple(u32 *value,
/* The first register is always required */
status = acpi_read(&value_a, register_a);
status = acpi_hw_read(&value_a, register_a);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -409,7 +591,7 @@ acpi_hw_read_multiple(u32 *value,
/* Second register is optional */
if (register_b->address) {
status = acpi_read(&value_b, register_b);
status = acpi_hw_read(&value_b, register_b);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -452,7 +634,7 @@ acpi_hw_write_multiple(u32 value,
/* The first register is always required */
status = acpi_write(value, register_a);
status = acpi_hw_write(value, register_a);
if (ACPI_FAILURE(status)) {
return (status);
}
@@ -470,7 +652,7 @@ acpi_hw_write_multiple(u32 value,
* and writes have no side effects"
*/
if (register_b->address) {
status = acpi_write(value, register_b);
status = acpi_hw_write(value, register_b);
}
return (status);

2
drivers/acpi/acpica/hwtimer.c
View File

@@ -100,7 +100,7 @@ acpi_status acpi_get_timer(u32 * ticks)
}
status =
acpi_hw_low_level_read(32, ticks, &acpi_gbl_FADT.xpm_timer_block);
acpi_hw_read(ticks, &acpi_gbl_FADT.xpm_timer_block);
return_ACPI_STATUS(status);
}

183
drivers/acpi/acpica/hwxface.c
View File

@@ -78,9 +78,22 @@ acpi_status acpi_reset(void)
return_ACPI_STATUS(AE_NOT_EXIST);
}
/* Write the reset value to the reset register */
if (reset_reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
/*
* For I/O space, write directly to the OSL. This bypasses the port
* validation mechanism, which may block a valid write to the reset
* register.
*/
status =
acpi_os_write_port((acpi_io_address) reset_reg->address,
acpi_gbl_FADT.reset_value,
reset_reg->bit_width);
} else {
/* Write the reset value to the reset register */
status = acpi_hw_write(acpi_gbl_FADT.reset_value, reset_reg);
}
status = acpi_write(acpi_gbl_FADT.reset_value, reset_reg);
return_ACPI_STATUS(status);
}
@@ -97,67 +110,92 @@ ACPI_EXPORT_SYMBOL(acpi_reset)
*
* DESCRIPTION: Read from either memory or IO space.
*
* LIMITATIONS: <These limitations also apply to acpi_write>
* bit_width must be exactly 8, 16, 32, or 64.
* space_iD must be system_memory or system_iO.
* bit_offset and access_width are currently ignored, as there has
* not been a need to implement these.
*
******************************************************************************/
acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg)
acpi_status acpi_read(u64 *return_value, struct acpi_generic_address *reg)
{
u32 value;
u32 width;
u64 address;
acpi_status status;
ACPI_FUNCTION_NAME(acpi_read);
/*
* Must have a valid pointer to a GAS structure, and a non-zero address
* within.
*/
if (!reg) {
if (!return_value) {
return (AE_BAD_PARAMETER);
}
/* Get a local copy of the address. Handles possible alignment issues */
/* Validate contents of the GAS register. Allow 64-bit transfers */
ACPI_MOVE_64_TO_64(&address, &reg->address);
if (!address) {
return (AE_BAD_ADDRESS);
status = acpi_hw_validate_register(reg, 64, &address);
if (ACPI_FAILURE(status)) {
return (status);
}
/* Supported widths are 8/16/32 */
width = reg->bit_width;
if ((width != 8) && (width != 16) && (width != 32)) {
return (AE_SUPPORT);
if (width == 64) {
width = 32; /* Break into two 32-bit transfers */
}
/* Initialize entire 32-bit return value to zero */
/* Initialize entire 64-bit return value to zero */
*value = 0;
*return_value = 0;
value = 0;
/*
* Two address spaces supported: Memory or IO. PCI_Config is
* not supported here because the GAS structure is insufficient
*/
switch (reg->space_id) {
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
status = acpi_os_read_memory((acpi_physical_address)
address, &value, width);
if (ACPI_FAILURE(status)) {
return (status);
}
*return_value = value;
status = acpi_os_read_memory((acpi_physical_address) address,
value, width);
break;
if (reg->bit_width == 64) {
case ACPI_ADR_SPACE_SYSTEM_IO:
/* Read the top 32 bits */
status =
acpi_hw_read_port((acpi_io_address) address, value, width);
break;
status = acpi_os_read_memory((acpi_physical_address)
(address + 4), &value, 32);
if (ACPI_FAILURE(status)) {
return (status);
}
*return_value |= ((u64)value << 32);
}
} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
default:
ACPI_ERROR((AE_INFO,
"Unsupported address space: %X", reg->space_id));
return (AE_BAD_PARAMETER);
status = acpi_hw_read_port((acpi_io_address)
address, &value, width);
if (ACPI_FAILURE(status)) {
return (status);
}
*return_value = value;
if (reg->bit_width == 64) {
/* Read the top 32 bits */
status = acpi_hw_read_port((acpi_io_address)
(address + 4), &value, 32);
if (ACPI_FAILURE(status)) {
return (status);
}
*return_value |= ((u64)value << 32);
}
}
ACPI_DEBUG_PRINT((ACPI_DB_IO,
"Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
*value, width, ACPI_FORMAT_UINT64(address),
"Read: %8.8X%8.8X width %2d from %8.8X%8.8X (%s)\n",
ACPI_FORMAT_UINT64(*return_value), reg->bit_width,
ACPI_FORMAT_UINT64(address),
acpi_ut_get_region_name(reg->space_id)));
return (status);
@@ -169,7 +207,7 @@ ACPI_EXPORT_SYMBOL(acpi_read)
*
* FUNCTION: acpi_write
*
* PARAMETERS: Value - To be written
* PARAMETERS: Value - Value to be written
* Reg - GAS register structure
*
* RETURN: Status
@@ -177,7 +215,7 @@ ACPI_EXPORT_SYMBOL(acpi_read)
* DESCRIPTION: Write to either memory or IO space.
*
******************************************************************************/
acpi_status acpi_write(u32 value, struct acpi_generic_address *reg)
acpi_status acpi_write(u64 value, struct acpi_generic_address *reg)
{
u32 width;
u64 address;
@@ -185,54 +223,61 @@ acpi_status acpi_write(u32 value, struct acpi_generic_address *reg)
ACPI_FUNCTION_NAME(acpi_write);
/*
* Must have a valid pointer to a GAS structure, and a non-zero address
* within.
*/
if (!reg) {
return (AE_BAD_PARAMETER);
/* Validate contents of the GAS register. Allow 64-bit transfers */
status = acpi_hw_validate_register(reg, 64, &address);
if (ACPI_FAILURE(status)) {
return (status);
}
/* Get a local copy of the address. Handles possible alignment issues */
ACPI_MOVE_64_TO_64(&address, &reg->address);
if (!address) {
return (AE_BAD_ADDRESS);
}
/* Supported widths are 8/16/32 */
width = reg->bit_width;
if ((width != 8) && (width != 16) && (width != 32)) {
return (AE_SUPPORT);
if (width == 64) {
width = 32; /* Break into two 32-bit transfers */
}
/*
* Two address spaces supported: Memory or IO.
* PCI_Config is not supported here because the GAS struct is insufficient
* Two address spaces supported: Memory or IO. PCI_Config is
* not supported here because the GAS structure is insufficient
*/
switch (reg->space_id) {
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
status = acpi_os_write_memory((acpi_physical_address)
address, ACPI_LODWORD(value),
width);
if (ACPI_FAILURE(status)) {
return (status);
}
status = acpi_os_write_memory((acpi_physical_address) address,
value, width);
break;
if (reg->bit_width == 64) {
status = acpi_os_write_memory((acpi_physical_address)
(address + 4),
ACPI_HIDWORD(value), 32);
if (ACPI_FAILURE(status)) {
return (status);
}
}
} else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
case ACPI_ADR_SPACE_SYSTEM_IO:
status = acpi_hw_write_port((acpi_io_address) address, value,
status = acpi_hw_write_port((acpi_io_address)
address, ACPI_LODWORD(value),
width);
break;
if (ACPI_FAILURE(status)) {
return (status);
}
default:
ACPI_ERROR((AE_INFO,
"Unsupported address space: %X", reg->space_id));
return (AE_BAD_PARAMETER);
if (reg->bit_width == 64) {
status = acpi_hw_write_port((acpi_io_address)
(address + 4),
ACPI_HIDWORD(value), 32);
if (ACPI_FAILURE(status)) {
return (status);
}
}
}
ACPI_DEBUG_PRINT((ACPI_DB_IO,
"Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
value, width, ACPI_FORMAT_UINT64(address),
"Wrote: %8.8X%8.8X width %2d to %8.8X%8.8X (%s)\n",
ACPI_FORMAT_UINT64(value), reg->bit_width,
ACPI_FORMAT_UINT64(address),
acpi_ut_get_region_name(reg->space_id)));
return (status);

88
drivers/acpi/acpica/nsalloc.c
View File

@@ -96,17 +96,68 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
*
* RETURN: None
*
* DESCRIPTION: Delete a namespace node
* DESCRIPTION: Delete a namespace node. All node deletions must come through
* here. Detaches any attached objects, including any attached
* data. If a handler is associated with attached data, it is
* invoked before the node is deleted.
*
******************************************************************************/
void acpi_ns_delete_node(struct acpi_namespace_node *node)
{
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_NAME(ns_delete_node);
/* Detach an object if there is one */
acpi_ns_detach_object(node);
/*
* Delete an attached data object if present (an object that was created
* and attached via acpi_attach_data). Note: After any normal object is
* detached above, the only possible remaining object is a data object.
*/
obj_desc = node->object;
if (obj_desc && (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) {
/* Invoke the attached data deletion handler if present */
if (obj_desc->data.handler) {
obj_desc->data.handler(node, obj_desc->data.pointer);
}
acpi_ut_remove_reference(obj_desc);
}
/* Now we can delete the node */
(void)acpi_os_release_object(acpi_gbl_namespace_cache, node);
ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_freed++);
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Node %p, Remaining %X\n",
node, acpi_gbl_current_node_count));
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_remove_node
*
* PARAMETERS: Node - Node to be removed/deleted
*
* RETURN: None
*
* DESCRIPTION: Remove (unlink) and delete a namespace node
*
******************************************************************************/
void acpi_ns_remove_node(struct acpi_namespace_node *node)
{
struct acpi_namespace_node *parent_node;
struct acpi_namespace_node *prev_node;
struct acpi_namespace_node *next_node;
ACPI_FUNCTION_TRACE_PTR(ns_delete_node, node);
ACPI_FUNCTION_TRACE_PTR(ns_remove_node, node);
parent_node = acpi_ns_get_parent_node(node);
@@ -142,12 +193,9 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
}
}
ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_freed++);
/* Delete the node and any attached objects */
/* Detach an object if there is one, then delete the node */
acpi_ns_detach_object(node);
(void)acpi_os_release_object(acpi_gbl_namespace_cache, node);
acpi_ns_delete_node(node);
return_VOID;
}
@@ -273,25 +321,11 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
parent_node, child_node));
}
/* Now we can free this child object */
ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_freed++);
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
"Object %p, Remaining %X\n", child_node,
acpi_gbl_current_node_count));
/* Detach an object if there is one, then free the child node */
acpi_ns_detach_object(child_node);
/* Now we can delete the node */
(void)acpi_os_release_object(acpi_gbl_namespace_cache,
child_node);
/* And move on to the next child in the list */
/*
* Delete this child node and move on to the next child in the list.
* No need to unlink the node since we are deleting the entire branch.
*/
acpi_ns_delete_node(child_node);
child_node = next_node;
} while (!(flags & ANOBJ_END_OF_PEER_LIST));
@@ -433,7 +467,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
if (deletion_node) {
acpi_ns_delete_children(deletion_node);
acpi_ns_delete_node(deletion_node);
acpi_ns_remove_node(deletion_node);
deletion_node = NULL;
}

7
drivers/acpi/acpica/nsdumpdv.c
View File

@@ -70,7 +70,6 @@ static acpi_status
acpi_ns_dump_one_device(acpi_handle obj_handle,
u32 level, void *context, void **return_value)
{
struct acpi_buffer buffer;
struct acpi_device_info *info;
acpi_status status;
u32 i;
@@ -80,17 +79,15 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
status =
acpi_ns_dump_one_object(obj_handle, level, context, return_value);
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_get_object_info(obj_handle, &buffer);
status = acpi_get_object_info(obj_handle, &info);
if (ACPI_SUCCESS(status)) {
info = buffer.pointer;
for (i = 0; i < level; i++) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
" HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
info->hardware_id.value,
info->hardware_id.string,
ACPI_FORMAT_UINT64(info->address),
info->current_status));
ACPI_FREE(info);

137
drivers/acpi/acpica/nseval.c
View File

@@ -50,6 +50,11 @@
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nseval")
/* Local prototypes */
static void
acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
struct acpi_evaluate_info *info);
/*******************************************************************************
*
* FUNCTION: acpi_ns_evaluate
@@ -76,6 +81,7 @@ ACPI_MODULE_NAME("nseval")
* MUTEX: Locks interpreter
*
******************************************************************************/
acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
{
acpi_status status;
@@ -276,3 +282,134 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
*/
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_exec_module_code_list
*
* PARAMETERS: None
*
* RETURN: None. Exceptions during method execution are ignored, since
* we cannot abort a table load.
*
* DESCRIPTION: Execute all elements of the global module-level code list.
* Each element is executed as a single control method.
*
******************************************************************************/
void acpi_ns_exec_module_code_list(void)
{
union acpi_operand_object *prev;
union acpi_operand_object *next;
struct acpi_evaluate_info *info;
u32 method_count = 0;
ACPI_FUNCTION_TRACE(ns_exec_module_code_list);
/* Exit now if the list is empty */
next = acpi_gbl_module_code_list;
if (!next) {
return_VOID;
}
/* Allocate the evaluation information block */
info = ACPI_ALLOCATE(sizeof(struct acpi_evaluate_info));
if (!info) {
return_VOID;
}
/* Walk the list, executing each "method" */
while (next) {
prev = next;
next = next->method.mutex;
/* Clear the link field and execute the method */
prev->method.mutex = NULL;
acpi_ns_exec_module_code(prev, info);
method_count++;
/* Delete the (temporary) method object */
acpi_ut_remove_reference(prev);
}
ACPI_INFO((AE_INFO,
"Executed %u blocks of module-level executable AML code",
method_count));
ACPI_FREE(info);
acpi_gbl_module_code_list = NULL;
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_exec_module_code
*
* PARAMETERS: method_obj - Object container for the module-level code
* Info - Info block for method evaluation
*
* RETURN: None. Exceptions during method execution are ignored, since
* we cannot abort a table load.
*
* DESCRIPTION: Execute a control method containing a block of module-level
* executable AML code. The control method is temporarily
* installed to the root node, then evaluated.
*
******************************************************************************/
static void
acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
struct acpi_evaluate_info *info)
{
union acpi_operand_object *root_obj;
acpi_status status;
ACPI_FUNCTION_TRACE(ns_exec_module_code);
/* Initialize the evaluation information block */
ACPI_MEMSET(info, 0, sizeof(struct acpi_evaluate_info));
info->prefix_node = acpi_gbl_root_node;
/*
* Get the currently attached root object. Add a reference, because the
* ref count will be decreased when the method object is installed to
* the root node.
*/
root_obj = acpi_ns_get_attached_object(acpi_gbl_root_node);
acpi_ut_add_reference(root_obj);
/* Install the method (module-level code) in the root node */
status = acpi_ns_attach_object(acpi_gbl_root_node, method_obj,
ACPI_TYPE_METHOD);
if (ACPI_FAILURE(status)) {
goto exit;
}
/* Execute the root node as a control method */
status = acpi_ns_evaluate(info);
ACPI_DEBUG_PRINT((ACPI_DB_INIT, "Executed module-level code at %p\n",
method_obj->method.aml_start));
/* Detach the temporary method object */
acpi_ns_detach_object(acpi_gbl_root_node);
/* Restore the original root object */
status =
acpi_ns_attach_object(acpi_gbl_root_node, root_obj,
ACPI_TYPE_DEVICE);
exit:
acpi_ut_remove_reference(root_obj);
return_VOID;
}

15
drivers/acpi/acpica/nsinit.c
View File

@@ -170,6 +170,21 @@ acpi_status acpi_ns_initialize_devices(void)
goto error_exit;
}
/*
* Execute the "global" _INI method that may appear at the root. This
* support is provided for Windows compatibility (Vista+) and is not
* part of the ACPI specification.
*/
info.evaluate_info->prefix_node = acpi_gbl_root_node;
info.evaluate_info->pathname = METHOD_NAME__INI;
info.evaluate_info->parameters = NULL;
info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;
status = acpi_ns_evaluate(info.evaluate_info);
if (ACPI_SUCCESS(status)) {
info.num_INI++;
}
/* Walk namespace to execute all _INIs on present devices */
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,

3
drivers/acpi/acpica/nsload.c
View File

@@ -270,8 +270,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
/* Now delete the starting object, and we are done */
acpi_ns_delete_node(child_handle);
acpi_ns_remove_node(child_handle);
return_ACPI_STATUS(AE_OK);
}

766
drivers/acpi/acpica/nspredef.c
View File

File diff suppressed because it is too large Load Diff

203
drivers/acpi/acpica/nsrepair.c Normal file
View File

@@ -0,0 +1,203 @@
/******************************************************************************
*
* Module Name: nsrepair - Repair for objects returned by predefined methods
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2009, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "acpredef.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsrepair")
/*******************************************************************************
*
* FUNCTION: acpi_ns_repair_object
*
* PARAMETERS: Data - Pointer to validation data structure
* expected_btypes - Object types expected
* package_index - Index of object within parent package (if
* applicable - ACPI_NOT_PACKAGE_ELEMENT
* otherwise)
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
* RETURN: Status. AE_OK if repair was successful.
*
* DESCRIPTION: Attempt to repair/convert a return object of a type that was
* not expected.
*
******************************************************************************/
acpi_status
acpi_ns_repair_object(struct acpi_predefined_data *data,
u32 expected_btypes,
u32 package_index,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
union acpi_operand_object *new_object;
acpi_size length;
switch (return_object->common.type) {
case ACPI_TYPE_BUFFER:
/* Does the method/object legally return a string? */
if (!(expected_btypes & ACPI_RTYPE_STRING)) {
return (AE_AML_OPERAND_TYPE);
}
/*
* Have a Buffer, expected a String, convert. Use a to_string
* conversion, no transform performed on the buffer data. The best
* example of this is the _BIF method, where the string data from
* the battery is often (incorrectly) returned as buffer object(s).
*/
length = 0;
while ((length < return_object->buffer.length) &&
(return_object->buffer.pointer[length])) {
length++;
}
/* Allocate a new string object */
new_object = acpi_ut_create_string_object(length);
if (!new_object) {
return (AE_NO_MEMORY);
}
/*
* Copy the raw buffer data with no transform. String is already NULL
* terminated at Length+1.
*/
ACPI_MEMCPY(new_object->string.pointer,
return_object->buffer.pointer, length);
/*
* If the original object is a package element, we need to:
* 1. Set the reference count of the new object to match the
* reference count of the old object.
* 2. Decrement the reference count of the original object.
*/
if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
new_object->common.reference_count =
return_object->common.reference_count;
if (return_object->common.reference_count > 1) {
return_object->common.reference_count--;
}
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
"Converted Buffer to expected String at index %u",
package_index));
} else {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
"Converted Buffer to expected String"));
}
/* Delete old object, install the new return object */
acpi_ut_remove_reference(return_object);
*return_object_ptr = new_object;
data->flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
default:
break;
}
return (AE_AML_OPERAND_TYPE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_repair_package_list
*
* PARAMETERS: Data - Pointer to validation data structure
* obj_desc_ptr - Pointer to the object to repair. The new
* package object is returned here,
* overwriting the old object.
*
* RETURN: Status, new object in *obj_desc_ptr
*
* DESCRIPTION: Repair a common problem with objects that are defined to return
* a variable-length Package of Packages. If the variable-length
* is one, some BIOS code mistakenly simply declares a single
* Package instead of a Package with one sub-Package. This
* function attempts to repair this error by wrapping a Package
* object around the original Package, creating the correct
* Package with one sub-Package.
*
* Names that can be repaired in this manner include:
* _ALR, _CSD, _HPX, _MLS, _PRT, _PSS, _TRT, TSS
*
******************************************************************************/
acpi_status
acpi_ns_repair_package_list(struct acpi_predefined_data *data,
union acpi_operand_object **obj_desc_ptr)
{
union acpi_operand_object *pkg_obj_desc;
/*
* Create the new outer package and populate it. The new package will
* have a single element, the lone subpackage.
*/
pkg_obj_desc = acpi_ut_create_package_object(1);
if (!pkg_obj_desc) {
return (AE_NO_MEMORY);
}
pkg_obj_desc->package.elements[0] = *obj_desc_ptr;
/* Return the new object in the object pointer */
*obj_desc_ptr = pkg_obj_desc;
data->flags |= ACPI_OBJECT_REPAIRED;
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
"Incorrectly formed Package, attempting repair"));
return (AE_OK);
}

5
drivers/acpi/acpica/nsutils.c
View File

@@ -88,7 +88,8 @@ acpi_ns_report_error(const char *module_name,
/* There is a non-ascii character in the name */
ACPI_MOVE_32_TO_32(&bad_name, internal_name);
ACPI_MOVE_32_TO_32(&bad_name,
ACPI_CAST_PTR(u32, internal_name));
acpi_os_printf("[0x%4.4X] (NON-ASCII)", bad_name);
} else {
/* Convert path to external format */
@@ -836,7 +837,7 @@ acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
acpi_status status;
char *internal_path;
ACPI_FUNCTION_TRACE_PTR(ns_get_node, pathname);
ACPI_FUNCTION_TRACE_PTR(ns_get_node, ACPI_CAST_PTR(char, pathname));
if (!pathname) {
*return_node = prefix_node;

23
drivers/acpi/acpica/nsxfeval.c
View File

@@ -535,10 +535,11 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
acpi_status status;
struct acpi_namespace_node *node;
u32 flags;
struct acpica_device_id hid;
struct acpi_compatible_id_list *cid;
struct acpica_device_id *hid;
struct acpica_device_id_list *cid;
u32 i;
int found;
u8 found;
int no_match;
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
@@ -582,10 +583,14 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
return (AE_CTRL_DEPTH);
}
if (ACPI_STRNCMP(hid.value, info->hid, sizeof(hid.value)) != 0) {
/* Get the list of Compatible IDs */
no_match = ACPI_STRCMP(hid->string, info->hid);
ACPI_FREE(hid);
if (no_match) {
/*
* HID does not match, attempt match within the
* list of Compatible IDs (CIDs)
*/
status = acpi_ut_execute_CID(node, &cid);
if (status == AE_NOT_FOUND) {
return (AE_OK);
@@ -597,10 +602,8 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
found = 0;
for (i = 0; i < cid->count; i++) {
if (ACPI_STRNCMP(cid->id[i].value, info->hid,
sizeof(struct
acpi_compatible_id)) ==
0) {
if (ACPI_STRCMP(cid->ids[i].string, info->hid)
== 0) {
found = 1;
break;
}

237
drivers/acpi/acpica/nsxfname.c
View File

@@ -51,6 +51,11 @@
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsxfname")
/* Local prototypes */
static char *acpi_ns_copy_device_id(struct acpica_device_id *dest,
struct acpica_device_id *source,
char *string_area);
/******************************************************************************
*
* FUNCTION: acpi_get_handle
@@ -68,6 +73,7 @@ ACPI_MODULE_NAME("nsxfname")
* namespace handle.
*
******************************************************************************/
acpi_status
acpi_get_handle(acpi_handle parent,
acpi_string pathname, acpi_handle * ret_handle)
@@ -208,12 +214,40 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
ACPI_EXPORT_SYMBOL(acpi_get_name)
/******************************************************************************
*
* FUNCTION: acpi_ns_copy_device_id
*
* PARAMETERS: Dest - Pointer to the destination DEVICE_ID
* Source - Pointer to the source DEVICE_ID
* string_area - Pointer to where to copy the dest string
*
* RETURN: Pointer to the next string area
*
* DESCRIPTION: Copy a single DEVICE_ID, including the string data.
*
******************************************************************************/
static char *acpi_ns_copy_device_id(struct acpica_device_id *dest,
struct acpica_device_id *source,
char *string_area)
{
/* Create the destination DEVICE_ID */
dest->string = string_area;
dest->length = source->length;
/* Copy actual string and return a pointer to the next string area */
ACPI_MEMCPY(string_area, source->string, source->length);
return (string_area + source->length);
}
/******************************************************************************
*
* FUNCTION: acpi_get_object_info
*
* PARAMETERS: Handle - Object Handle
* Buffer - Where the info is returned
* PARAMETERS: Handle - Object Handle
* return_buffer - Where the info is returned
*
* RETURN: Status
*
@@ -221,33 +255,37 @@ ACPI_EXPORT_SYMBOL(acpi_get_name)
* namespace node and possibly by running several standard
* control methods (Such as in the case of a device.)
*
* For Device and Processor objects, run the Device _HID, _UID, _CID, _STA,
* _ADR, _sx_w, and _sx_d methods.
*
* Note: Allocates the return buffer, must be freed by the caller.
*
******************************************************************************/
acpi_status
acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
acpi_get_object_info(acpi_handle handle,
struct acpi_device_info **return_buffer)
{
acpi_status status;
struct acpi_namespace_node *node;
struct acpi_device_info *info;
struct acpi_device_info *return_info;
struct acpi_compatible_id_list *cid_list = NULL;
acpi_size size;
struct acpica_device_id_list *cid_list = NULL;
struct acpica_device_id *hid = NULL;
struct acpica_device_id *uid = NULL;
char *next_id_string;
acpi_object_type type;
acpi_name name;
u8 param_count = 0;
u8 valid = 0;
u32 info_size;
u32 i;
acpi_status status;
/* Parameter validation */
if (!handle || !buffer) {
if (!handle || !return_buffer) {
return (AE_BAD_PARAMETER);
}
status = acpi_ut_validate_buffer(buffer);
if (ACPI_FAILURE(status)) {
return (status);
}
info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_device_info));
if (!info) {
return (AE_NO_MEMORY);
}
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
goto cleanup;
@@ -256,66 +294,91 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
node = acpi_ns_map_handle_to_node(handle);
if (!node) {
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
status = AE_BAD_PARAMETER;
goto cleanup;
return (AE_BAD_PARAMETER);
}
/* Init return structure */
/* Get the namespace node data while the namespace is locked */
size = sizeof(struct acpi_device_info);
info->type = node->type;
info->name = node->name.integer;
info->valid = 0;
info_size = sizeof(struct acpi_device_info);
type = node->type;
name = node->name.integer;
if (node->type == ACPI_TYPE_METHOD) {
info->param_count = node->object->method.param_count;
param_count = node->object->method.param_count;
}
status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
goto cleanup;
return (status);
}
/* If not a device, we are all done */
if (info->type == ACPI_TYPE_DEVICE) {
if ((type == ACPI_TYPE_DEVICE) || (type == ACPI_TYPE_PROCESSOR)) {
/*
* Get extra info for ACPI Devices objects only:
* Run the Device _HID, _UID, _CID, _STA, _ADR and _sx_d methods.
* Get extra info for ACPI Device/Processor objects only:
* Run the Device _HID, _UID, and _CID methods.
*
* Note: none of these methods are required, so they may or may
* not be present for this device. The Info->Valid bitfield is used
* to indicate which methods were found and ran successfully.
* not be present for this device. The Info->Valid bitfield is used
* to indicate which methods were found and run successfully.
*/
/* Execute the Device._HID method */
status = acpi_ut_execute_HID(node, &info->hardware_id);
status = acpi_ut_execute_HID(node, &hid);
if (ACPI_SUCCESS(status)) {
info->valid |= ACPI_VALID_HID;
info_size += hid->length;
valid |= ACPI_VALID_HID;
}
/* Execute the Device._UID method */
status = acpi_ut_execute_UID(node, &info->unique_id);
status = acpi_ut_execute_UID(node, &uid);
if (ACPI_SUCCESS(status)) {
info->valid |= ACPI_VALID_UID;
info_size += uid->length;
valid |= ACPI_VALID_UID;
}
/* Execute the Device._CID method */
status = acpi_ut_execute_CID(node, &cid_list);
if (ACPI_SUCCESS(status)) {
size += cid_list->size;
info->valid |= ACPI_VALID_CID;
/* Add size of CID strings and CID pointer array */
info_size +=
(cid_list->list_size -
sizeof(struct acpica_device_id_list));
valid |= ACPI_VALID_CID;
}
}
/*
* Now that we have the variable-length data, we can allocate the
* return buffer
*/
info = ACPI_ALLOCATE_ZEROED(info_size);
if (!info) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Get the fixed-length data */
if ((type == ACPI_TYPE_DEVICE) || (type == ACPI_TYPE_PROCESSOR)) {
/*
* Get extra info for ACPI Device/Processor objects only:
* Run the _STA, _ADR and, sx_w, and _sx_d methods.
*
* Note: none of these methods are required, so they may or may
* not be present for this device. The Info->Valid bitfield is used
* to indicate which methods were found and run successfully.
*/
/* Execute the Device._STA method */
status = acpi_ut_execute_STA(node, &info->current_status);
if (ACPI_SUCCESS(status)) {
info->valid |= ACPI_VALID_STA;
valid |= ACPI_VALID_STA;
}
/* Execute the Device._ADR method */
@@ -323,36 +386,100 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
status = acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR, node,
&info->address);
if (ACPI_SUCCESS(status)) {
info->valid |= ACPI_VALID_ADR;
valid |= ACPI_VALID_ADR;
}
/* Execute the Device._sx_w methods */
status = acpi_ut_execute_power_methods(node,
acpi_gbl_lowest_dstate_names,
ACPI_NUM_sx_w_METHODS,
info->lowest_dstates);
if (ACPI_SUCCESS(status)) {
valid |= ACPI_VALID_SXWS;
}
/* Execute the Device._sx_d methods */
status = acpi_ut_execute_sxds(node, info->highest_dstates);
status = acpi_ut_execute_power_methods(node,
acpi_gbl_highest_dstate_names,
ACPI_NUM_sx_d_METHODS,
info->highest_dstates);
if (ACPI_SUCCESS(status)) {
info->valid |= ACPI_VALID_SXDS;
valid |= ACPI_VALID_SXDS;
}
}
/* Validate/Allocate/Clear caller buffer */
/*
* Create a pointer to the string area of the return buffer.
* Point to the end of the base struct acpi_device_info structure.
*/
next_id_string = ACPI_CAST_PTR(char, info->compatible_id_list.ids);
if (cid_list) {
status = acpi_ut_initialize_buffer(buffer, size);
if (ACPI_FAILURE(status)) {
goto cleanup;
/* Point past the CID DEVICE_ID array */
next_id_string +=
((acpi_size) cid_list->count *
sizeof(struct acpica_device_id));
}
/* Populate the return buffer */
/*
* Copy the HID, UID, and CIDs to the return buffer. The variable-length
* strings are copied to the reserved area at the end of the buffer.
*
* For HID and CID, check if the ID is a PCI Root Bridge.
*/
if (hid) {
next_id_string = acpi_ns_copy_device_id(&info->hardware_id,
hid, next_id_string);
return_info = buffer->pointer;
ACPI_MEMCPY(return_info, info, sizeof(struct acpi_device_info));
if (acpi_ut_is_pci_root_bridge(hid->string)) {
info->flags |= ACPI_PCI_ROOT_BRIDGE;
}
}
if (uid) {
next_id_string = acpi_ns_copy_device_id(&info->unique_id,
uid, next_id_string);
}
if (cid_list) {
ACPI_MEMCPY(&return_info->compatibility_id, cid_list,
cid_list->size);
info->compatible_id_list.count = cid_list->count;
info->compatible_id_list.list_size = cid_list->list_size;
/* Copy each CID */
for (i = 0; i < cid_list->count; i++) {
next_id_string =
acpi_ns_copy_device_id(&info->compatible_id_list.
ids[i], &cid_list->ids[i],
next_id_string);
if (acpi_ut_is_pci_root_bridge(cid_list->ids[i].string)) {
info->flags |= ACPI_PCI_ROOT_BRIDGE;
}
}
}
/* Copy the fixed-length data */
info->info_size = info_size;
info->type = type;
info->name = name;
info->param_count = param_count;
info->valid = valid;
*return_buffer = info;
status = AE_OK;
cleanup:
ACPI_FREE(info);
if (hid) {
ACPI_FREE(hid);
}
if (uid) {
ACPI_FREE(uid);
}
if (cid_list) {
ACPI_FREE(cid_list);
}

119
drivers/acpi/acpica/psloop.c
View File

@@ -86,6 +86,9 @@ static acpi_status
acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
union acpi_parse_object *op, acpi_status status);
static void
acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id);
/*******************************************************************************
*
* FUNCTION: acpi_ps_get_aml_opcode
@@ -390,6 +393,7 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
{
acpi_status status = AE_OK;
union acpi_parse_object *arg = NULL;
const struct acpi_opcode_info *op_info;
ACPI_FUNCTION_TRACE_PTR(ps_get_arguments, walk_state);
@@ -449,13 +453,11 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
INCREMENT_ARG_LIST(walk_state->arg_types);
}
/* Special processing for certain opcodes */
/* TBD (remove): Temporary mechanism to disable this code if needed */
#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
/*
* Handle executable code at "module-level". This refers to
* executable opcodes that appear outside of any control method.
*/
if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2) &&
((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
/*
* We want to skip If/Else/While constructs during Pass1 because we
@@ -469,6 +471,23 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
case AML_ELSE_OP:
case AML_WHILE_OP:
/*
* Currently supported module-level opcodes are:
* IF/ELSE/WHILE. These appear to be the most common,
* and easiest to support since they open an AML
* package.
*/
if (walk_state->pass_number ==
ACPI_IMODE_LOAD_PASS1) {
acpi_ps_link_module_code(aml_op_start,
walk_state->
parser_state.
pkg_end -
aml_op_start,
walk_state->
owner_id);
}
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
"Pass1: Skipping an If/Else/While body\n"));
@@ -480,10 +499,34 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
break;
default:
/*
* Check for an unsupported executable opcode at module
* level. We must be in PASS1, the parent must be a SCOPE,
* The opcode class must be EXECUTE, and the opcode must
* not be an argument to another opcode.
*/
if ((walk_state->pass_number ==
ACPI_IMODE_LOAD_PASS1)
&& (op->common.parent->common.aml_opcode ==
AML_SCOPE_OP)) {
op_info =
acpi_ps_get_opcode_info(op->common.
aml_opcode);
if ((op_info->class ==
AML_CLASS_EXECUTE) && (!arg)) {
ACPI_WARNING((AE_INFO,
"Detected an unsupported executable opcode "
"at module-level: [0x%.4X] at table offset 0x%.4X",
op->common.aml_opcode,
(u32)((aml_op_start - walk_state->parser_state.aml_start)
+ sizeof(struct acpi_table_header))));
}
}
break;
}
}
#endif
/* Special processing for certain opcodes */
switch (op->common.aml_opcode) {
case AML_METHOD_OP:
@@ -551,6 +594,66 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ps_link_module_code
*
* PARAMETERS: aml_start - Pointer to the AML
* aml_length - Length of executable AML
* owner_id - owner_id of module level code
*
* RETURN: None.
*
* DESCRIPTION: Wrap the module-level code with a method object and link the
* object to the global list. Note, the mutex field of the method
* object is used to link multiple module-level code objects.
*
******************************************************************************/
static void
acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id)
{
union acpi_operand_object *prev;
union acpi_operand_object *next;
union acpi_operand_object *method_obj;
/* Get the tail of the list */
prev = next = acpi_gbl_module_code_list;
while (next) {
prev = next;
next = next->method.mutex;
}
/*
* Insert the module level code into the list. Merge it if it is
* adjacent to the previous element.
*/
if (!prev ||
((prev->method.aml_start + prev->method.aml_length) != aml_start)) {
/* Create, initialize, and link a new temporary method object */
method_obj = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
if (!method_obj) {
return;
}
method_obj->method.aml_start = aml_start;
method_obj->method.aml_length = aml_length;
method_obj->method.owner_id = owner_id;
method_obj->method.flags |= AOPOBJ_MODULE_LEVEL;
if (!prev) {
acpi_gbl_module_code_list = method_obj;
} else {
prev->method.mutex = method_obj;
}
} else {
prev->method.aml_length += aml_length;
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ps_complete_op

4
drivers/acpi/acpica/psxface.c
View File

@@ -280,6 +280,10 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
goto cleanup;
}
if (info->obj_desc->method.flags & AOPOBJ_MODULE_LEVEL) {
walk_state->parse_flags |= ACPI_PARSE_MODULE_LEVEL;
}
/* Invoke an internal method if necessary */
if (info->obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {

1
drivers/acpi/acpica/tbfadt.c
View File

@@ -275,7 +275,6 @@ void acpi_tb_parse_fadt(u32 table_index)
void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length)
{
/*
* Check if the FADT is larger than the largest table that we expect
* (the ACPI 2.0/3.0 version). If so, truncate the table, and issue

82
drivers/acpi/acpica/tbutils.c
View File

@@ -49,6 +49,12 @@
ACPI_MODULE_NAME("tbutils")
/* Local prototypes */
static void acpi_tb_fix_string(char *string, acpi_size length);
static void
acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
struct acpi_table_header *header);
static acpi_physical_address
acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
@@ -159,6 +165,59 @@ u8 acpi_tb_tables_loaded(void)
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_fix_string
*
* PARAMETERS: String - String to be repaired
* Length - Maximum length
*
* RETURN: None
*
* DESCRIPTION: Replace every non-printable or non-ascii byte in the string
* with a question mark '?'.
*
******************************************************************************/
static void acpi_tb_fix_string(char *string, acpi_size length)
{
while (length && *string) {
if (!ACPI_IS_PRINT(*string)) {
*string = '?';
}
string++;
length--;
}
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_cleanup_table_header
*
* PARAMETERS: out_header - Where the cleaned header is returned
* Header - Input ACPI table header
*
* RETURN: Returns the cleaned header in out_header
*
* DESCRIPTION: Copy the table header and ensure that all "string" fields in
* the header consist of printable characters.
*
******************************************************************************/
static void
acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
struct acpi_table_header *header)
{
ACPI_MEMCPY(out_header, header, sizeof(struct acpi_table_header));
acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE);
acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE);
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_print_table_header
@@ -176,6 +235,7 @@ void
acpi_tb_print_table_header(acpi_physical_address address,
struct acpi_table_header *header)
{
struct acpi_table_header local_header;
/*
* The reason that the Address is cast to a void pointer is so that we
@@ -192,6 +252,11 @@ acpi_tb_print_table_header(acpi_physical_address address,
/* RSDP has no common fields */
ACPI_MEMCPY(local_header.oem_id,
ACPI_CAST_PTR(struct acpi_table_rsdp,
header)->oem_id, ACPI_OEM_ID_SIZE);
acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
ACPI_INFO((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)",
ACPI_CAST_PTR (void, address),
(ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
@@ -200,18 +265,21 @@ acpi_tb_print_table_header(acpi_physical_address address,
header)->length : 20,
ACPI_CAST_PTR(struct acpi_table_rsdp,
header)->revision,
ACPI_CAST_PTR(struct acpi_table_rsdp,
header)->oem_id));
local_header.oem_id));
} else {
/* Standard ACPI table with full common header */
acpi_tb_cleanup_table_header(&local_header, header);
ACPI_INFO((AE_INFO,
"%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)",
header->signature, ACPI_CAST_PTR (void, address),
header->length, header->revision, header->oem_id,
header->oem_table_id, header->oem_revision,
header->asl_compiler_id,
header->asl_compiler_revision));
local_header.signature, ACPI_CAST_PTR(void, address),
local_header.length, local_header.revision,
local_header.oem_id, local_header.oem_table_id,
local_header.oem_revision,
local_header.asl_compiler_id,
local_header.asl_compiler_revision));
}
}

6
drivers/acpi/acpica/utdelete.c
View File

@@ -215,6 +215,12 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
"***** Region %p\n", object));
/* Invalidate the region address/length via the host OS */
acpi_os_invalidate_address(object->region.space_id,
object->region.address,
(acpi_size) object->region.length);
second_desc = acpi_ns_get_secondary_object(object);
if (second_desc) {
/*

378
drivers/acpi/acpica/uteval.c
View File

@@ -44,19 +44,10 @@
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "acinterp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("uteval")
/* Local prototypes */
static void
acpi_ut_copy_id_string(char *destination, char *source, acpi_size max_length);
static acpi_status
acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
struct acpi_compatible_id *one_cid);
/*
* Strings supported by the _OSI predefined (internal) method.
*
@@ -78,6 +69,9 @@ static struct acpi_interface_info acpi_interfaces_supported[] = {
{"Windows 2001 SP2", ACPI_OSI_WIN_XP_SP2}, /* Windows XP SP2 */
{"Windows 2001.1 SP1", ACPI_OSI_WINSRV_2003_SP1}, /* Windows Server 2003 SP1 - Added 03/2006 */
{"Windows 2006", ACPI_OSI_WIN_VISTA}, /* Windows Vista - Added 03/2006 */
{"Windows 2006.1", ACPI_OSI_WINSRV_2008}, /* Windows Server 2008 - Added 09/2009 */
{"Windows 2006 SP1", ACPI_OSI_WIN_VISTA_SP1}, /* Windows Vista SP1 - Added 09/2009 */
{"Windows 2009", ACPI_OSI_WIN_7}, /* Windows 7 and Server 2008 R2 - Added 09/2009 */
/* Feature Group Strings */
@@ -213,7 +207,7 @@ acpi_status acpi_osi_invalidate(char *interface)
* RETURN: Status
*
* DESCRIPTION: Evaluates a namespace object and verifies the type of the
* return object. Common code that simplifies accessing objects
* return object. Common code that simplifies accessing objects
* that have required return objects of fixed types.
*
* NOTE: Internal function, no parameter validation
@@ -298,7 +292,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
if ((acpi_gbl_enable_interpreter_slack) && (!expected_return_btypes)) {
/*
* We received a return object, but one was not expected. This can
* We received a return object, but one was not expected. This can
* happen frequently if the "implicit return" feature is enabled.
* Just delete the return object and return AE_OK.
*/
@@ -340,12 +334,12 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
*
* PARAMETERS: object_name - Object name to be evaluated
* device_node - Node for the device
* Address - Where the value is returned
* Value - Where the value is returned
*
* RETURN: Status
*
* DESCRIPTION: Evaluates a numeric namespace object for a selected device
* and stores result in *Address.
* and stores result in *Value.
*
* NOTE: Internal function, no parameter validation
*
@@ -354,7 +348,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
acpi_status
acpi_ut_evaluate_numeric_object(char *object_name,
struct acpi_namespace_node *device_node,
acpi_integer * address)
acpi_integer *value)
{
union acpi_operand_object *obj_desc;
acpi_status status;
@@ -369,295 +363,7 @@ acpi_ut_evaluate_numeric_object(char *object_name,
/* Get the returned Integer */
*address = obj_desc->integer.value;
/* On exit, we must delete the return object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_id_string
*
* PARAMETERS: Destination - Where to copy the string
* Source - Source string
* max_length - Length of the destination buffer
*
* RETURN: None
*
* DESCRIPTION: Copies an ID string for the _HID, _CID, and _UID methods.
* Performs removal of a leading asterisk if present -- workaround
* for a known issue on a bunch of machines.
*
******************************************************************************/
static void
acpi_ut_copy_id_string(char *destination, char *source, acpi_size max_length)
{
/*
* Workaround for ID strings that have a leading asterisk. This construct
* is not allowed by the ACPI specification (ID strings must be
* alphanumeric), but enough existing machines have this embedded in their
* ID strings that the following code is useful.
*/
if (*source == '*') {
source++;
}
/* Do the actual copy */
ACPI_STRNCPY(destination, source, max_length);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_HID
*
* PARAMETERS: device_node - Node for the device
* Hid - Where the HID is returned
*
* RETURN: Status
*
* DESCRIPTION: Executes the _HID control method that returns the hardware
* ID of the device.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
acpi_status
acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
struct acpica_device_id *hid)
{
union acpi_operand_object *obj_desc;
acpi_status status;
ACPI_FUNCTION_TRACE(ut_execute_HID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
&obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
/* Convert the Numeric HID to string */
acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
hid->value);
} else {
/* Copy the String HID from the returned object */
acpi_ut_copy_id_string(hid->value, obj_desc->string.pointer,
sizeof(hid->value));
}
/* On exit, we must delete the return object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_translate_one_cid
*
* PARAMETERS: obj_desc - _CID object, must be integer or string
* one_cid - Where the CID string is returned
*
* RETURN: Status
*
* DESCRIPTION: Return a numeric or string _CID value as a string.
* (Compatible ID)
*
* NOTE: Assumes a maximum _CID string length of
* ACPI_MAX_CID_LENGTH.
*
******************************************************************************/
static acpi_status
acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
struct acpi_compatible_id *one_cid)
{
switch (obj_desc->common.type) {
case ACPI_TYPE_INTEGER:
/* Convert the Numeric CID to string */
acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
one_cid->value);
return (AE_OK);
case ACPI_TYPE_STRING:
if (obj_desc->string.length > ACPI_MAX_CID_LENGTH) {
return (AE_AML_STRING_LIMIT);
}
/* Copy the String CID from the returned object */
acpi_ut_copy_id_string(one_cid->value, obj_desc->string.pointer,
ACPI_MAX_CID_LENGTH);
return (AE_OK);
default:
return (AE_TYPE);
}
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_CID
*
* PARAMETERS: device_node - Node for the device
* return_cid_list - Where the CID list is returned
*
* RETURN: Status
*
* DESCRIPTION: Executes the _CID control method that returns one or more
* compatible hardware IDs for the device.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
acpi_status
acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
struct acpi_compatible_id_list ** return_cid_list)
{
union acpi_operand_object *obj_desc;
acpi_status status;
u32 count;
u32 size;
struct acpi_compatible_id_list *cid_list;
u32 i;
ACPI_FUNCTION_TRACE(ut_execute_CID);
/* Evaluate the _CID method for this device */
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__CID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING
| ACPI_BTYPE_PACKAGE, &obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Get the number of _CIDs returned */
count = 1;
if (obj_desc->common.type == ACPI_TYPE_PACKAGE) {
count = obj_desc->package.count;
}
/* Allocate a worst-case buffer for the _CIDs */
size = (((count - 1) * sizeof(struct acpi_compatible_id)) +
sizeof(struct acpi_compatible_id_list));
cid_list = ACPI_ALLOCATE_ZEROED((acpi_size) size);
if (!cid_list) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Init CID list */
cid_list->count = count;
cid_list->size = size;
/*
* A _CID can return either a single compatible ID or a package of
* compatible IDs. Each compatible ID can be one of the following:
* 1) Integer (32 bit compressed EISA ID) or
* 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss")
*/
/* The _CID object can be either a single CID or a package (list) of CIDs */
if (obj_desc->common.type == ACPI_TYPE_PACKAGE) {
/* Translate each package element */
for (i = 0; i < count; i++) {
status =
acpi_ut_translate_one_cid(obj_desc->package.
elements[i],
&cid_list->id[i]);
if (ACPI_FAILURE(status)) {
break;
}
}
} else {
/* Only one CID, translate to a string */
status = acpi_ut_translate_one_cid(obj_desc, cid_list->id);
}
/* Cleanup on error */
if (ACPI_FAILURE(status)) {
ACPI_FREE(cid_list);
} else {
*return_cid_list = cid_list;
}
/* On exit, we must delete the _CID return object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_UID
*
* PARAMETERS: device_node - Node for the device
* Uid - Where the UID is returned
*
* RETURN: Status
*
* DESCRIPTION: Executes the _UID control method that returns the hardware
* ID of the device.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
acpi_status
acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
struct acpica_device_id *uid)
{
union acpi_operand_object *obj_desc;
acpi_status status;
ACPI_FUNCTION_TRACE(ut_execute_UID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
&obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
/* Convert the Numeric UID to string */
acpi_ex_unsigned_integer_to_string(obj_desc->integer.value,
uid->value);
} else {
/* Copy the String UID from the returned object */
acpi_ut_copy_id_string(uid->value, obj_desc->string.pointer,
sizeof(uid->value));
}
*value = obj_desc->integer.value;
/* On exit, we must delete the return object */
@@ -716,60 +422,64 @@ acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 * flags)
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_Sxds
* FUNCTION: acpi_ut_execute_power_methods
*
* PARAMETERS: device_node - Node for the device
* Flags - Where the status flags are returned
* method_names - Array of power method names
* method_count - Number of methods to execute
* out_values - Where the power method values are returned
*
* RETURN: Status
* RETURN: Status, out_values
*
* DESCRIPTION: Executes _STA for selected device and stores results in
* *Flags.
* DESCRIPTION: Executes the specified power methods for the device and returns
* the result(s).
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
******************************************************************************/
acpi_status
acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest)
acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
const char **method_names,
u8 method_count, u8 *out_values)
{
union acpi_operand_object *obj_desc;
acpi_status status;
acpi_status final_status = AE_NOT_FOUND;
u32 i;
ACPI_FUNCTION_TRACE(ut_execute_sxds);
ACPI_FUNCTION_TRACE(ut_execute_power_methods);
for (i = 0; i < 4; i++) {
highest[i] = 0xFF;
for (i = 0; i < method_count; i++) {
/*
* Execute the power method (_sx_d or _sx_w). The only allowable
* return type is an Integer.
*/
status = acpi_ut_evaluate_object(device_node,
ACPI_CAST_PTR(char,
acpi_gbl_highest_dstate_names
[i]),
method_names[i]),
ACPI_BTYPE_INTEGER, &obj_desc);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"%s on Device %4.4s, %s\n",
ACPI_CAST_PTR(char,
acpi_gbl_highest_dstate_names
[i]),
acpi_ut_get_node_name
(device_node),
acpi_format_exception
(status)));
return_ACPI_STATUS(status);
}
} else {
/* Extract the Dstate value */
highest[i] = (u8) obj_desc->integer.value;
if (ACPI_SUCCESS(status)) {
out_values[i] = (u8)obj_desc->integer.value;
/* Delete the return object */
acpi_ut_remove_reference(obj_desc);
final_status = AE_OK; /* At least one value is valid */
continue;
}
out_values[i] = ACPI_UINT8_MAX;
if (status == AE_NOT_FOUND) {
continue; /* Ignore if not found */
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Failed %s on Device %4.4s, %s\n",
ACPI_CAST_PTR(char, method_names[i]),
acpi_ut_get_node_name(device_node),
acpi_format_exception(status)));
}
return_ACPI_STATUS(AE_OK);
return_ACPI_STATUS(final_status);
}

12
drivers/acpi/acpica/utglobal.c
View File

@@ -90,7 +90,15 @@ const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
"\\_S5_"
};
const char *acpi_gbl_highest_dstate_names[4] = {
const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = {
"_S0W",
"_S1W",
"_S2W",
"_S3W",
"_S4W"
};
const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
"_S1D",
"_S2D",
"_S3D",
@@ -351,6 +359,7 @@ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
"SMBus",
"SystemCMOS",
"PCIBARTarget",
"IPMI",
"DataTable"
};
@@ -798,6 +807,7 @@ acpi_status acpi_ut_init_globals(void)
/* Namespace */
acpi_gbl_module_code_list = NULL;
acpi_gbl_root_node = NULL;
acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;

382
drivers/acpi/acpica/utids.c Normal file
View File

@@ -0,0 +1,382 @@
/******************************************************************************
*
* Module Name: utids - support for device IDs - HID, UID, CID
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2009, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include "accommon.h"
#include "acinterp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utids")
/* Local prototypes */
static void acpi_ut_copy_id_string(char *destination, char *source);
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_id_string
*
* PARAMETERS: Destination - Where to copy the string
* Source - Source string
*
* RETURN: None
*
* DESCRIPTION: Copies an ID string for the _HID, _CID, and _UID methods.
* Performs removal of a leading asterisk if present -- workaround
* for a known issue on a bunch of machines.
*
******************************************************************************/
static void acpi_ut_copy_id_string(char *destination, char *source)
{
/*
* Workaround for ID strings that have a leading asterisk. This construct
* is not allowed by the ACPI specification (ID strings must be
* alphanumeric), but enough existing machines have this embedded in their
* ID strings that the following code is useful.
*/
if (*source == '*') {
source++;
}
/* Do the actual copy */
ACPI_STRCPY(destination, source);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_HID
*
* PARAMETERS: device_node - Node for the device
* return_id - Where the string HID is returned
*
* RETURN: Status
*
* DESCRIPTION: Executes the _HID control method that returns the hardware
* ID of the device. The HID is either an 32-bit encoded EISAID
* Integer or a String. A string is always returned. An EISAID
* is converted to a string.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
acpi_status
acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
struct acpica_device_id **return_id)
{
union acpi_operand_object *obj_desc;
struct acpica_device_id *hid;
u32 length;
acpi_status status;
ACPI_FUNCTION_TRACE(ut_execute_HID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
&obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Get the size of the String to be returned, includes null terminator */
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
length = ACPI_EISAID_STRING_SIZE;
} else {
length = obj_desc->string.length + 1;
}
/* Allocate a buffer for the HID */
hid =
ACPI_ALLOCATE_ZEROED(sizeof(struct acpica_device_id) +
(acpi_size) length);
if (!hid) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Area for the string starts after DEVICE_ID struct */
hid->string = ACPI_ADD_PTR(char, hid, sizeof(struct acpica_device_id));
/* Convert EISAID to a string or simply copy existing string */
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
acpi_ex_eisa_id_to_string(hid->string, obj_desc->integer.value);
} else {
acpi_ut_copy_id_string(hid->string, obj_desc->string.pointer);
}
hid->length = length;
*return_id = hid;
cleanup:
/* On exit, we must delete the return object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_UID
*
* PARAMETERS: device_node - Node for the device
* return_id - Where the string UID is returned
*
* RETURN: Status
*
* DESCRIPTION: Executes the _UID control method that returns the unique
* ID of the device. The UID is either a 64-bit Integer (NOT an
* EISAID) or a string. Always returns a string. A 64-bit integer
* is converted to a decimal string.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
acpi_status
acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
struct acpica_device_id **return_id)
{
union acpi_operand_object *obj_desc;
struct acpica_device_id *uid;
u32 length;
acpi_status status;
ACPI_FUNCTION_TRACE(ut_execute_UID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
&obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Get the size of the String to be returned, includes null terminator */
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
length = ACPI_MAX64_DECIMAL_DIGITS + 1;
} else {
length = obj_desc->string.length + 1;
}
/* Allocate a buffer for the UID */
uid =
ACPI_ALLOCATE_ZEROED(sizeof(struct acpica_device_id) +
(acpi_size) length);
if (!uid) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Area for the string starts after DEVICE_ID struct */
uid->string = ACPI_ADD_PTR(char, uid, sizeof(struct acpica_device_id));
/* Convert an Integer to string, or just copy an existing string */
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
acpi_ex_integer_to_string(uid->string, obj_desc->integer.value);
} else {
acpi_ut_copy_id_string(uid->string, obj_desc->string.pointer);
}
uid->length = length;
*return_id = uid;
cleanup:
/* On exit, we must delete the return object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_CID
*
* PARAMETERS: device_node - Node for the device
* return_cid_list - Where the CID list is returned
*
* RETURN: Status, list of CID strings
*
* DESCRIPTION: Executes the _CID control method that returns one or more
* compatible hardware IDs for the device.
*
* NOTE: Internal function, no parameter validation
*
* A _CID method can return either a single compatible ID or a package of
* compatible IDs. Each compatible ID can be one of the following:
* 1) Integer (32 bit compressed EISA ID) or
* 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss")
*
* The Integer CIDs are converted to string format by this function.
*
******************************************************************************/
acpi_status
acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
struct acpica_device_id_list **return_cid_list)
{
union acpi_operand_object **cid_objects;
union acpi_operand_object *obj_desc;
struct acpica_device_id_list *cid_list;
char *next_id_string;
u32 string_area_size;
u32 length;
u32 cid_list_size;
acpi_status status;
u32 count;
u32 i;
ACPI_FUNCTION_TRACE(ut_execute_CID);
/* Evaluate the _CID method for this device */
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__CID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING
| ACPI_BTYPE_PACKAGE, &obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Get the count and size of the returned _CIDs. _CID can return either
* a Package of Integers/Strings or a single Integer or String.
* Note: This section also validates that all CID elements are of the
* correct type (Integer or String).
*/
if (obj_desc->common.type == ACPI_TYPE_PACKAGE) {
count = obj_desc->package.count;
cid_objects = obj_desc->package.elements;
} else { /* Single Integer or String CID */
count = 1;
cid_objects = &obj_desc;
}
string_area_size = 0;
for (i = 0; i < count; i++) {
/* String lengths include null terminator */
switch (cid_objects[i]->common.type) {
case ACPI_TYPE_INTEGER:
string_area_size += ACPI_EISAID_STRING_SIZE;
break;
case ACPI_TYPE_STRING:
string_area_size += cid_objects[i]->string.length + 1;
break;
default:
status = AE_TYPE;
goto cleanup;
}
}
/*
* Now that we know the length of the CIDs, allocate return buffer:
* 1) Size of the base structure +
* 2) Size of the CID DEVICE_ID array +
* 3) Size of the actual CID strings
*/
cid_list_size = sizeof(struct acpica_device_id_list) +
((count - 1) * sizeof(struct acpica_device_id)) + string_area_size;
cid_list = ACPI_ALLOCATE_ZEROED(cid_list_size);
if (!cid_list) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Area for CID strings starts after the CID DEVICE_ID array */
next_id_string = ACPI_CAST_PTR(char, cid_list->ids) +
((acpi_size) count * sizeof(struct acpica_device_id));
/* Copy/convert the CIDs to the return buffer */
for (i = 0; i < count; i++) {
if (cid_objects[i]->common.type == ACPI_TYPE_INTEGER) {
/* Convert the Integer (EISAID) CID to a string */
acpi_ex_eisa_id_to_string(next_id_string,
cid_objects[i]->integer.
value);
length = ACPI_EISAID_STRING_SIZE;
} else { /* ACPI_TYPE_STRING */
/* Copy the String CID from the returned object */
acpi_ut_copy_id_string(next_id_string,
cid_objects[i]->string.pointer);
length = cid_objects[i]->string.length + 1;
}
cid_list->ids[i].string = next_id_string;
cid_list->ids[i].length = length;
next_id_string += length;
}
/* Finish the CID list */
cid_list->count = count;
cid_list->list_size = cid_list_size;
*return_cid_list = cid_list;
cleanup:
/* On exit, we must delete the _CID return object */
acpi_ut_remove_reference(obj_desc);
return_ACPI_STATUS(status);
}

22
drivers/acpi/acpica/utinit.c
View File

@@ -99,33 +99,19 @@ static void acpi_ut_terminate(void)
*
* FUNCTION: acpi_ut_subsystem_shutdown
*
* PARAMETERS: none
* PARAMETERS: None
*
* RETURN: none
* RETURN: None
*
* DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex
* objects here -- because the AML debugger may be still running.
* DESCRIPTION: Shutdown the various components. Do not delete the mutex
* objects here, because the AML debugger may be still running.
*
******************************************************************************/
void acpi_ut_subsystem_shutdown(void)
{
ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
/* Just exit if subsystem is already shutdown */
if (acpi_gbl_shutdown) {
ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated"));
return_VOID;
}
/* Subsystem appears active, go ahead and shut it down */
acpi_gbl_shutdown = TRUE;
acpi_gbl_startup_flags = 0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
#ifndef ACPI_ASL_COMPILER
/* Close the acpi_event Handling */

85
drivers/acpi/acpica/utmisc.c
View File

@@ -50,6 +50,11 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utmisc")
/*
* Common suffix for messages
*/
#define ACPI_COMMON_MSG_SUFFIX \
acpi_os_printf(" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number)
/*******************************************************************************
*
* FUNCTION: acpi_ut_validate_exception
@@ -118,6 +123,34 @@ const char *acpi_ut_validate_exception(acpi_status status)
return (ACPI_CAST_PTR(const char, exception));
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_is_pci_root_bridge
*
* PARAMETERS: Id - The HID/CID in string format
*
* RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
*
* DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
*
******************************************************************************/
u8 acpi_ut_is_pci_root_bridge(char *id)
{
/*
* Check if this is a PCI root bridge.
* ACPI 3.0+: check for a PCI Express root also.
*/
if (!(ACPI_STRCMP(id,
PCI_ROOT_HID_STRING)) ||
!(ACPI_STRCMP(id, PCI_EXPRESS_ROOT_HID_STRING))) {
return (TRUE);
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_is_aml_table
@@ -1037,8 +1070,7 @@ acpi_error(const char *module_name, u32 line_number, const char *format, ...)
va_start(args, format);
acpi_os_vprintf(format, args);
acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
line_number);
ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}
@@ -1052,8 +1084,7 @@ acpi_exception(const char *module_name,
va_start(args, format);
acpi_os_vprintf(format, args);
acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
line_number);
ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}
@@ -1066,8 +1097,7 @@ acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
va_start(args, format);
acpi_os_vprintf(format, args);
acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
line_number);
ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}
@@ -1088,3 +1118,46 @@ ACPI_EXPORT_SYMBOL(acpi_error)
ACPI_EXPORT_SYMBOL(acpi_exception)
ACPI_EXPORT_SYMBOL(acpi_warning)
ACPI_EXPORT_SYMBOL(acpi_info)
/*******************************************************************************
*
* FUNCTION: acpi_ut_predefined_warning
*
* PARAMETERS: module_name - Caller's module name (for error output)
* line_number - Caller's line number (for error output)
* Pathname - Full pathname to the node
* node_flags - From Namespace node for the method/object
* Format - Printf format string + additional args
*
* RETURN: None
*
* DESCRIPTION: Warnings for the predefined validation module. Messages are
* only emitted the first time a problem with a particular
* method/object is detected. This prevents a flood of error
* messages for methods that are repeatedly evaluated.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_predefined_warning(const char *module_name,
u32 line_number,
char *pathname,
u8 node_flags, const char *format, ...)
{
va_list args;
/*
* Warning messages for this method/object will be disabled after the
* first time a validation fails or an object is successfully repaired.
*/
if (node_flags & ANOBJ_EVALUATED) {
return;
}
acpi_os_printf("ACPI Warning for %s: ", pathname);
va_start(args, format);
acpi_os_vprintf(format, args);
ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}

26
drivers/acpi/acpica/utxface.c
View File

@@ -250,6 +250,16 @@ acpi_status acpi_initialize_objects(u32 flags)
}
}
/*
* Execute any module-level code that was detected during the table load
* phase. Although illegal since ACPI 2.0, there are many machines that
* contain this type of code. Each block of detected executable AML code
* outside of any control method is wrapped with a temporary control
* method object and placed on a global list. The methods on this list
* are executed below.
*/
acpi_ns_exec_module_code_list();
/*
* Initialize the objects that remain uninitialized. This runs the
* executable AML that may be part of the declaration of these objects:
@@ -318,7 +328,7 @@ ACPI_EXPORT_SYMBOL(acpi_initialize_objects)
*
* RETURN: Status
*
* DESCRIPTION: Shutdown the ACPI subsystem. Release all resources.
* DESCRIPTION: Shutdown the ACPICA subsystem and release all resources.
*
******************************************************************************/
acpi_status acpi_terminate(void)
@@ -327,6 +337,19 @@ acpi_status acpi_terminate(void)
ACPI_FUNCTION_TRACE(acpi_terminate);
/* Just exit if subsystem is already shutdown */
if (acpi_gbl_shutdown) {
ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated"));
return_ACPI_STATUS(AE_OK);
}
/* Subsystem appears active, go ahead and shut it down */
acpi_gbl_shutdown = TRUE;
acpi_gbl_startup_flags = 0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
/* Terminate the AML Debugger if present */
ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = TRUE);
@@ -353,6 +376,7 @@ acpi_status acpi_terminate(void)
}
ACPI_EXPORT_SYMBOL(acpi_terminate)
#ifndef ACPI_ASL_COMPILER
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************

22
drivers/acpi/battery.c
View File

@@ -31,6 +31,7 @@
#include <linux/types.h>
#include <linux/jiffies.h>
#include <linux/async.h>
#include <linux/dmi.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
@@ -45,6 +46,8 @@
#include <linux/power_supply.h>
#endif
#define PREFIX "ACPI: "
#define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF
#define ACPI_BATTERY_CLASS "battery"
@@ -85,6 +88,10 @@ static const struct acpi_device_id battery_device_ids[] = {
MODULE_DEVICE_TABLE(acpi, battery_device_ids);
/* For buggy DSDTs that report negative 16-bit values for either charging
* or discharging current and/or report 0 as 65536 due to bad math.
*/
#define QUIRK_SIGNED16_CURRENT 0x0001
struct acpi_battery {
struct mutex lock;
@@ -112,6 +119,7 @@ struct acpi_battery {
int state;
int power_unit;
u8 alarm_present;
long quirks;
};
#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
@@ -390,6 +398,11 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
state_offsets, ARRAY_SIZE(state_offsets));
battery->update_time = jiffies;
kfree(buffer.pointer);
if ((battery->quirks & QUIRK_SIGNED16_CURRENT) &&
battery->rate_now != -1)
battery->rate_now = abs((s16)battery->rate_now);
return result;
}
@@ -495,6 +508,14 @@ static void sysfs_remove_battery(struct acpi_battery *battery)
}
#endif
static void acpi_battery_quirks(struct acpi_battery *battery)
{
battery->quirks = 0;
if (dmi_name_in_vendors("Acer") && battery->power_unit) {
battery->quirks |= QUIRK_SIGNED16_CURRENT;
}
}
static int acpi_battery_update(struct acpi_battery *battery)
{
int result, old_present = acpi_battery_present(battery);
@@ -513,6 +534,7 @@ static int acpi_battery_update(struct acpi_battery *battery)
result = acpi_battery_get_info(battery);
if (result)
return result;
acpi_battery_quirks(battery);
acpi_battery_init_alarm(battery);
}
#ifdef CONFIG_ACPI_SYSFS_POWER

2
drivers/acpi/blacklist.c
View File

@@ -34,6 +34,8 @@
#include <acpi/acpi_bus.h>
#include <linux/dmi.h>
#include "internal.h"
enum acpi_blacklist_predicates {
all_versions,
less_than_or_equal,

54
drivers/acpi/bus.c
View File

@@ -38,6 +38,7 @@
#include <linux/pci.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <linux/dmi.h>
#include "internal.h"
@@ -93,36 +94,33 @@ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
EXPORT_SYMBOL(acpi_bus_get_device);
acpi_status acpi_bus_get_status_handle(acpi_handle handle,
unsigned long long *sta)
{
acpi_status status;
status = acpi_evaluate_integer(handle, "_STA", NULL, sta);
if (ACPI_SUCCESS(status))
return AE_OK;
if (status == AE_NOT_FOUND) {
*sta = ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED |
ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING;
return AE_OK;
}
return status;
}
int acpi_bus_get_status(struct acpi_device *device)
{
acpi_status status = AE_OK;
unsigned long long sta = 0;
acpi_status status;
unsigned long long sta;
status = acpi_bus_get_status_handle(device->handle, &sta);
if (ACPI_FAILURE(status))
return -ENODEV;
if (!device)
return -EINVAL;
/*
* Evaluate _STA if present.
*/
if (device->flags.dynamic_status) {
status =
acpi_evaluate_integer(device->handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status))
return -ENODEV;
STRUCT_TO_INT(device->status) = (int)sta;
}
/*
* According to ACPI spec some device can be present and functional
* even if the parent is not present but functional.
* In such conditions the child device should not inherit the status
* from the parent.
*/
else
STRUCT_TO_INT(device->status) =
ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED |
ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING;
STRUCT_TO_INT(device->status) = (int) sta;
if (device->status.functional && !device->status.present) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] status [%08x]: "
@@ -134,14 +132,12 @@ int acpi_bus_get_status(struct acpi_device *device)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] status [%08x]\n",
device->pnp.bus_id,
(u32) STRUCT_TO_INT(device->status)));
return 0;
}
EXPORT_SYMBOL(acpi_bus_get_status);
void acpi_bus_private_data_handler(acpi_handle handle,
u32 function, void *context)
void *context)
{
return;
}

50
drivers/acpi/button.c
View File

@@ -33,6 +33,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define ACPI_BUTTON_CLASS "button"
#define ACPI_BUTTON_FILE_INFO "info"
#define ACPI_BUTTON_FILE_STATE "state"
@@ -113,6 +115,9 @@ static const struct file_operations acpi_button_state_fops = {
.release = single_release,
};
static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier);
static struct acpi_device *lid_device;
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
@@ -229,11 +234,41 @@ static int acpi_button_remove_fs(struct acpi_device *device)
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
int acpi_lid_notifier_register(struct notifier_block *nb)
{
return blocking_notifier_chain_register(&acpi_lid_notifier, nb);
}
EXPORT_SYMBOL(acpi_lid_notifier_register);
int acpi_lid_notifier_unregister(struct notifier_block *nb)
{
return blocking_notifier_chain_unregister(&acpi_lid_notifier, nb);
}
EXPORT_SYMBOL(acpi_lid_notifier_unregister);
int acpi_lid_open(void)
{
acpi_status status;
unsigned long long state;
if (!lid_device)
return -ENODEV;
status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL,
&state);
if (ACPI_FAILURE(status))
return -ENODEV;
return !!state;
}
EXPORT_SYMBOL(acpi_lid_open);
static int acpi_lid_send_state(struct acpi_device *device)
{
struct acpi_button *button = acpi_driver_data(device);
unsigned long long state;
acpi_status status;
int ret;
status = acpi_evaluate_integer(device->handle, "_LID", NULL, &state);
if (ACPI_FAILURE(status))
@@ -242,7 +277,12 @@ static int acpi_lid_send_state(struct acpi_device *device)
/* input layer checks if event is redundant */
input_report_switch(button->input, SW_LID, !state);
input_sync(button->input);
return 0;
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
if (ret == NOTIFY_DONE)
ret = blocking_notifier_call_chain(&acpi_lid_notifier, state,
device);
return ret;
}
static void acpi_button_notify(struct acpi_device *device, u32 event)
@@ -364,8 +404,14 @@ static int acpi_button_add(struct acpi_device *device)
error = input_register_device(input);
if (error)
goto err_remove_fs;
if (button->type == ACPI_BUTTON_TYPE_LID)
if (button->type == ACPI_BUTTON_TYPE_LID) {
acpi_lid_send_state(device);
/*
* This assumes there's only one lid device, or if there are
* more we only care about the last one...
*/
lid_device = device;
}
if (device->wakeup.flags.valid) {
/* Button's GPE is run-wake GPE */

2
drivers/acpi/cm_sbs.c
View File

@@ -28,6 +28,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
ACPI_MODULE_NAME("cm_sbs");
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_BATTERY_CLASS "battery"

13
drivers/acpi/container.c
View File

@@ -35,6 +35,8 @@
#include <acpi/acpi_drivers.h>
#include <acpi/container.h>
#define PREFIX "ACPI: "
#define ACPI_CONTAINER_DEVICE_NAME "ACPI container device"
#define ACPI_CONTAINER_CLASS "container"
@@ -200,20 +202,17 @@ container_walk_namespace_cb(acpi_handle handle,
u32 lvl, void *context, void **rv)
{
char *hid = NULL;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_device_info *info;
acpi_status status;
int *action = context;
status = acpi_get_object_info(handle, &buffer);
if (ACPI_FAILURE(status) || !buffer.pointer) {
status = acpi_get_object_info(handle, &info);
if (ACPI_FAILURE(status)) {
return AE_OK;
}
info = buffer.pointer;
if (info->valid & ACPI_VALID_HID)
hid = info->hardware_id.value;
hid = info->hardware_id.string;
if (hid == NULL) {
goto end;
@@ -240,7 +239,7 @@ container_walk_namespace_cb(acpi_handle handle,
}
end:
kfree(buffer.pointer);
kfree(info);
return AE_OK;
}

84
drivers/acpi/debug.c
View File

@@ -3,6 +3,7 @@
*/
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -201,72 +202,54 @@ module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
#define ACPI_SYSTEM_FILE_DEBUG_LAYER "debug_layer"
#define ACPI_SYSTEM_FILE_DEBUG_LEVEL "debug_level"
static int
acpi_system_read_debug(char *page,
char **start, off_t off, int count, int *eof, void *data)
static int acpi_system_debug_proc_show(struct seq_file *m, void *v)
{
char *p = page;
int size = 0;
unsigned int i;
if (off != 0)
goto end;
seq_printf(m, "%-25s\tHex SET\n", "Description");
p += sprintf(p, "%-25s\tHex SET\n", "Description");
switch ((unsigned long)data) {
switch ((unsigned long)m->private) {
case 0:
for (i = 0; i < ARRAY_SIZE(acpi_debug_layers); i++) {
p += sprintf(p, "%-25s\t0x%08lX [%c]\n",
seq_printf(m, "%-25s\t0x%08lX [%c]\n",
acpi_debug_layers[i].name,
acpi_debug_layers[i].value,
(acpi_dbg_layer & acpi_debug_layers[i].
value) ? '*' : ' ');
}
p += sprintf(p, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
seq_printf(m, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
ACPI_ALL_DRIVERS,
(acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
ACPI_ALL_DRIVERS) ==
0 ? ' ' : '-');
p += sprintf(p,
seq_printf(m,
"--\ndebug_layer = 0x%08X (* = enabled, - = partial)\n",
acpi_dbg_layer);
break;
case 1:
for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
p += sprintf(p, "%-25s\t0x%08lX [%c]\n",
seq_printf(m, "%-25s\t0x%08lX [%c]\n",
acpi_debug_levels[i].name,
acpi_debug_levels[i].value,
(acpi_dbg_level & acpi_debug_levels[i].
value) ? '*' : ' ');
}
p += sprintf(p, "--\ndebug_level = 0x%08X (* = enabled)\n",
seq_printf(m, "--\ndebug_level = 0x%08X (* = enabled)\n",
acpi_dbg_level);
break;
default:
p += sprintf(p, "Invalid debug option\n");
break;
}
end:
size = (p - page);
if (size <= off + count)
*eof = 1;
*start = page + off;
size -= off;
if (size > count)
size = count;
if (size < 0)
size = 0;
return size;
return 0;
}
static int
acpi_system_write_debug(struct file *file,
static int acpi_system_debug_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, acpi_system_debug_proc_show, PDE(inode)->data);
}
static ssize_t acpi_system_debug_proc_write(struct file *file,
const char __user * buffer,
unsigned long count, void *data)
size_t count, loff_t *pos)
{
char debug_string[12] = { '\0' };
@@ -279,7 +262,7 @@ acpi_system_write_debug(struct file *file,
debug_string[count] = '\0';
switch ((unsigned long)data) {
switch ((unsigned long)PDE(file->f_path.dentry->d_inode)->data) {
case 0:
acpi_dbg_layer = simple_strtoul(debug_string, NULL, 0);
break;
@@ -292,6 +275,15 @@ acpi_system_write_debug(struct file *file,
return count;
}
static const struct file_operations acpi_system_debug_proc_fops = {
.owner = THIS_MODULE,
.open = acpi_system_debug_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = acpi_system_debug_proc_write,
};
#endif
int __init acpi_debug_init(void)
@@ -303,24 +295,18 @@ int __init acpi_debug_init(void)
/* 'debug_layer' [R/W] */
name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
entry =
create_proc_read_entry(name, S_IFREG | S_IRUGO | S_IWUSR,
acpi_root_dir, acpi_system_read_debug,
(void *)0);
if (entry)
entry->write_proc = acpi_system_write_debug;
else
entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
acpi_root_dir, &acpi_system_debug_proc_fops,
(void *)0);
if (!entry)
goto Error;
/* 'debug_level' [R/W] */
name = ACPI_SYSTEM_FILE_DEBUG_LEVEL;
entry =
create_proc_read_entry(name, S_IFREG | S_IRUGO | S_IWUSR,
acpi_root_dir, acpi_system_read_debug,
(void *)1);
if (entry)
entry->write_proc = acpi_system_write_debug;
else
entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
acpi_root_dir, &acpi_system_debug_proc_fops,
(void *)1);
if (!entry)
goto Error;
Done:

26
drivers/acpi/dock.c
View File

@@ -33,6 +33,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define ACPI_DOCK_DRIVER_DESCRIPTION "ACPI Dock Station Driver"
ACPI_MODULE_NAME("dock");
@@ -65,7 +67,7 @@ struct dock_station {
struct list_head dependent_devices;
struct list_head hotplug_devices;
struct list_head sibiling;
struct list_head sibling;
struct platform_device *dock_device;
};
static LIST_HEAD(dock_stations);
@@ -231,18 +233,16 @@ static int is_ata(acpi_handle handle)
static int is_battery(acpi_handle handle)
{
struct acpi_device_info *info;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
int ret = 1;
if (!ACPI_SUCCESS(acpi_get_object_info(handle, &buffer)))
if (!ACPI_SUCCESS(acpi_get_object_info(handle, &info)))
return 0;
info = buffer.pointer;
if (!(info->valid & ACPI_VALID_HID))
ret = 0;
else
ret = !strcmp("PNP0C0A", info->hardware_id.value);
ret = !strcmp("PNP0C0A", info->hardware_id.string);
kfree(buffer.pointer);
kfree(info);
return ret;
}
@@ -275,7 +275,7 @@ int is_dock_device(acpi_handle handle)
if (is_dock(handle))
return 1;
list_for_each_entry(dock_station, &dock_stations, sibiling) {
list_for_each_entry(dock_station, &dock_stations, sibling) {
if (find_dock_dependent_device(dock_station, handle))
return 1;
}
@@ -619,7 +619,7 @@ register_hotplug_dock_device(acpi_handle handle, struct acpi_dock_ops *ops,
* make sure this handle is for a device dependent on the dock,
* this would include the dock station itself
*/
list_for_each_entry(dock_station, &dock_stations, sibiling) {
list_for_each_entry(dock_station, &dock_stations, sibling) {
/*
* An ATA bay can be in a dock and itself can be ejected
* seperately, so there are two 'dock stations' which need the
@@ -651,7 +651,7 @@ void unregister_hotplug_dock_device(acpi_handle handle)
if (!dock_station_count)
return;
list_for_each_entry(dock_station, &dock_stations, sibiling) {
list_for_each_entry(dock_station, &dock_stations, sibling) {
dd = find_dock_dependent_device(dock_station, handle);
if (dd)
dock_del_hotplug_device(dock_station, dd);
@@ -787,7 +787,7 @@ static int acpi_dock_notifier_call(struct notifier_block *this,
if (event != ACPI_NOTIFY_BUS_CHECK && event != ACPI_NOTIFY_DEVICE_CHECK
&& event != ACPI_NOTIFY_EJECT_REQUEST)
return 0;
list_for_each_entry(dock_station, &dock_stations, sibiling) {
list_for_each_entry(dock_station, &dock_stations, sibling) {
if (dock_station->handle == handle) {
struct dock_data *dock_data;
@@ -958,7 +958,7 @@ static int dock_add(acpi_handle handle)
dock_station->last_dock_time = jiffies - HZ;
INIT_LIST_HEAD(&dock_station->dependent_devices);
INIT_LIST_HEAD(&dock_station->hotplug_devices);
INIT_LIST_HEAD(&dock_station->sibiling);
INIT_LIST_HEAD(&dock_station->sibling);
spin_lock_init(&dock_station->dd_lock);
mutex_init(&dock_station->hp_lock);
ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list);
@@ -1044,7 +1044,7 @@ static int dock_add(acpi_handle handle)
add_dock_dependent_device(dock_station, dd);
dock_station_count++;
list_add(&dock_station->sibiling, &dock_stations);
list_add(&dock_station->sibling, &dock_stations);
return 0;
dock_add_err_unregister:
@@ -1149,7 +1149,7 @@ static void __exit dock_exit(void)
struct dock_station *tmp;
unregister_acpi_bus_notifier(&dock_acpi_notifier);
list_for_each_entry_safe(dock_station, tmp, &dock_stations, sibiling)
list_for_each_entry_safe(dock_station, tmp, &dock_stations, sibling)
dock_remove(dock_station);
}

320
drivers/acpi/ec.c
View File

@@ -42,12 +42,12 @@
#include <asm/io.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <linux/dmi.h>
#define ACPI_EC_CLASS "embedded_controller"
#define ACPI_EC_DEVICE_NAME "Embedded Controller"
#define ACPI_EC_FILE_INFO "info"
#undef PREFIX
#define PREFIX "ACPI: EC: "
/* EC status register */
@@ -68,15 +68,13 @@ enum ec_command {
#define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */
#define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */
#define ACPI_EC_CDELAY 10 /* Wait 10us before polling EC */
#define ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */
#define ACPI_EC_STORM_THRESHOLD 8 /* number of false interrupts
per one transaction */
enum {
EC_FLAGS_QUERY_PENDING, /* Query is pending */
EC_FLAGS_GPE_MODE, /* Expect GPE to be sent
* for status change */
EC_FLAGS_NO_GPE, /* Don't use GPE mode */
EC_FLAGS_GPE_STORM, /* GPE storm detected */
EC_FLAGS_HANDLERS_INSTALLED /* Handlers for GPE and
* OpReg are installed */
@@ -121,6 +119,8 @@ static struct acpi_ec {
} *boot_ec, *first_ec;
static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */
static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */
static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */
/* --------------------------------------------------------------------------
Transaction Management
@@ -170,7 +170,7 @@ static void start_transaction(struct acpi_ec *ec)
acpi_ec_write_cmd(ec, ec->curr->command);
}
static void gpe_transaction(struct acpi_ec *ec, u8 status)
static void advance_transaction(struct acpi_ec *ec, u8 status)
{
unsigned long flags;
spin_lock_irqsave(&ec->curr_lock, flags);
@@ -201,29 +201,6 @@ unlock:
spin_unlock_irqrestore(&ec->curr_lock, flags);
}
static int acpi_ec_wait(struct acpi_ec *ec)
{
if (wait_event_timeout(ec->wait, ec_transaction_done(ec),
msecs_to_jiffies(ACPI_EC_DELAY)))
return 0;
/* try restart command if we get any false interrupts */
if (ec->curr->irq_count &&
(acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) {
pr_debug(PREFIX "controller reset, restart transaction\n");
start_transaction(ec);
if (wait_event_timeout(ec->wait, ec_transaction_done(ec),
msecs_to_jiffies(ACPI_EC_DELAY)))
return 0;
}
/* missing GPEs, switch back to poll mode */
if (printk_ratelimit())
pr_info(PREFIX "missing confirmations, "
"switch off interrupt mode.\n");
set_bit(EC_FLAGS_NO_GPE, &ec->flags);
clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
return 1;
}
static void acpi_ec_gpe_query(void *ec_cxt);
static int ec_check_sci(struct acpi_ec *ec, u8 state)
@@ -236,43 +213,49 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state)
return 0;
}
static void ec_delay(void)
{
/* EC in MSI notebooks don't tolerate delays other than 550 usec */
if (EC_FLAGS_MSI)
udelay(ACPI_EC_DELAY);
else
/* Use shortest sleep available */
msleep(1);
}
static int ec_poll(struct acpi_ec *ec)
{
unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
udelay(ACPI_EC_CDELAY);
while (time_before(jiffies, delay)) {
gpe_transaction(ec, acpi_ec_read_status(ec));
ec_delay();
if (ec_transaction_done(ec))
return 0;
unsigned long flags;
int repeat = 2; /* number of command restarts */
while (repeat--) {
unsigned long delay = jiffies +
msecs_to_jiffies(ACPI_EC_DELAY);
do {
/* don't sleep with disabled interrupts */
if (EC_FLAGS_MSI || irqs_disabled()) {
udelay(ACPI_EC_MSI_UDELAY);
if (ec_transaction_done(ec))
return 0;
} else {
if (wait_event_timeout(ec->wait,
ec_transaction_done(ec),
msecs_to_jiffies(1)))
return 0;
}
advance_transaction(ec, acpi_ec_read_status(ec));
} while (time_before(jiffies, delay));
if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
break;
pr_debug(PREFIX "controller reset, restart transaction\n");
spin_lock_irqsave(&ec->curr_lock, flags);
start_transaction(ec);
spin_unlock_irqrestore(&ec->curr_lock, flags);
}
return -ETIME;
}
static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
struct transaction *t,
int force_poll)
struct transaction *t)
{
unsigned long tmp;
int ret = 0;
pr_debug(PREFIX "transaction start\n");
/* disable GPE during transaction if storm is detected */
if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
acpi_disable_gpe(NULL, ec->gpe);
}
if (EC_FLAGS_MSI)
udelay(ACPI_EC_DELAY);
udelay(ACPI_EC_MSI_UDELAY);
/* start transaction */
spin_lock_irqsave(&ec->curr_lock, tmp);
/* following two actions should be kept atomic */
@@ -281,11 +264,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
if (ec->curr->command == ACPI_EC_COMMAND_QUERY)
clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
spin_unlock_irqrestore(&ec->curr_lock, tmp);
/* if we selected poll mode or failed in GPE-mode do a poll loop */
if (force_poll ||
!test_bit(EC_FLAGS_GPE_MODE, &ec->flags) ||
acpi_ec_wait(ec))
ret = ec_poll(ec);
ret = ec_poll(ec);
pr_debug(PREFIX "transaction end\n");
spin_lock_irqsave(&ec->curr_lock, tmp);
ec->curr = NULL;
@@ -295,8 +274,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
ec_check_sci(ec, acpi_ec_read_status(ec));
/* it is safe to enable GPE outside of transaction */
acpi_enable_gpe(NULL, ec->gpe);
} else if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags) &&
t->irq_count > ACPI_EC_STORM_THRESHOLD) {
} else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) {
pr_info(PREFIX "GPE storm detected, "
"transactions will use polling mode\n");
set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
@@ -314,16 +292,14 @@ static int ec_wait_ibf0(struct acpi_ec *ec)
{
unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
/* interrupt wait manually if GPE mode is not active */
unsigned long timeout = test_bit(EC_FLAGS_GPE_MODE, &ec->flags) ?
msecs_to_jiffies(ACPI_EC_DELAY) : msecs_to_jiffies(1);
while (time_before(jiffies, delay))
if (wait_event_timeout(ec->wait, ec_check_ibf0(ec), timeout))
if (wait_event_timeout(ec->wait, ec_check_ibf0(ec),
msecs_to_jiffies(1)))
return 0;
return -ETIME;
}
static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t,
int force_poll)
static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
{
int status;
u32 glk;
@@ -345,7 +321,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t,
status = -ETIME;
goto end;
}
status = acpi_ec_transaction_unlocked(ec, t, force_poll);
status = acpi_ec_transaction_unlocked(ec, t);
end:
if (ec->global_lock)
acpi_release_global_lock(glk);
@@ -354,10 +330,6 @@ unlock:
return status;
}
/*
* Note: samsung nv5000 doesn't work with ec burst mode.
* http://bugzilla.kernel.org/show_bug.cgi?id=4980
*/
static int acpi_ec_burst_enable(struct acpi_ec *ec)
{
u8 d;
@@ -365,7 +337,7 @@ static int acpi_ec_burst_enable(struct acpi_ec *ec)
.wdata = NULL, .rdata = &d,
.wlen = 0, .rlen = 1};
return acpi_ec_transaction(ec, &t, 0);
return acpi_ec_transaction(ec, &t);
}
static int acpi_ec_burst_disable(struct acpi_ec *ec)
@@ -375,7 +347,7 @@ static int acpi_ec_burst_disable(struct acpi_ec *ec)
.wlen = 0, .rlen = 0};
return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ?
acpi_ec_transaction(ec, &t, 0) : 0;
acpi_ec_transaction(ec, &t) : 0;
}
static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
@@ -386,7 +358,7 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
.wdata = &address, .rdata = &d,
.wlen = 1, .rlen = 1};
result = acpi_ec_transaction(ec, &t, 0);
result = acpi_ec_transaction(ec, &t);
*data = d;
return result;
}
@@ -398,7 +370,7 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
.wdata = wdata, .rdata = NULL,
.wlen = 2, .rlen = 0};
return acpi_ec_transaction(ec, &t, 0);
return acpi_ec_transaction(ec, &t);
}
/*
@@ -466,7 +438,7 @@ int ec_transaction(u8 command,
if (!first_ec)
return -ENODEV;
return acpi_ec_transaction(first_ec, &t, force_poll);
return acpi_ec_transaction(first_ec, &t);
}
EXPORT_SYMBOL(ec_transaction);
@@ -487,7 +459,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 * data)
* bit to be cleared (and thus clearing the interrupt source).
*/
result = acpi_ec_transaction(ec, &t, 0);
result = acpi_ec_transaction(ec, &t);
if (result)
return result;
@@ -570,28 +542,10 @@ static u32 acpi_ec_gpe_handler(void *data)
pr_debug(PREFIX "~~~> interrupt\n");
status = acpi_ec_read_status(ec);
if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) {
gpe_transaction(ec, status);
if (ec_transaction_done(ec) &&
(status & ACPI_EC_FLAG_IBF) == 0)
wake_up(&ec->wait);
}
advance_transaction(ec, status);
if (ec_transaction_done(ec) && (status & ACPI_EC_FLAG_IBF) == 0)
wake_up(&ec->wait);
ec_check_sci(ec, status);
if (!test_bit(EC_FLAGS_GPE_MODE, &ec->flags) &&
!test_bit(EC_FLAGS_NO_GPE, &ec->flags)) {
/* this is non-query, must be confirmation */
if (!test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
if (printk_ratelimit())
pr_info(PREFIX "non-query interrupt received,"
" switching to interrupt mode\n");
} else {
/* hush, STORM switches the mode every transaction */
pr_debug(PREFIX "non-query interrupt received,"
" switching to interrupt mode\n");
}
set_bit(EC_FLAGS_GPE_MODE, &ec->flags);
}
return ACPI_INTERRUPT_HANDLED;
}
@@ -617,7 +571,8 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
if (bits != 8 && acpi_strict)
return AE_BAD_PARAMETER;
acpi_ec_burst_enable(ec);
if (EC_FLAGS_MSI)
acpi_ec_burst_enable(ec);
if (function == ACPI_READ) {
result = acpi_ec_read(ec, address, &temp);
@@ -638,7 +593,8 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
}
}
acpi_ec_burst_disable(ec);
if (EC_FLAGS_MSI)
acpi_ec_burst_disable(ec);
switch (result) {
case -EINVAL:
@@ -788,6 +744,42 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
return AE_CTRL_TERMINATE;
}
static int ec_install_handlers(struct acpi_ec *ec)
{
acpi_status status;
if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
return 0;
status = acpi_install_gpe_handler(NULL, ec->gpe,
ACPI_GPE_EDGE_TRIGGERED,
&acpi_ec_gpe_handler, ec);
if (ACPI_FAILURE(status))
return -ENODEV;
acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe(NULL, ec->gpe);
status = acpi_install_address_space_handler(ec->handle,
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler,
NULL, ec);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_FOUND) {
/*
* Maybe OS fails in evaluating the _REG object.
* The AE_NOT_FOUND error will be ignored and OS
* continue to initialize EC.
*/
printk(KERN_ERR "Fail in evaluating the _REG object"
" of EC device. Broken bios is suspected.\n");
} else {
acpi_remove_gpe_handler(NULL, ec->gpe,
&acpi_ec_gpe_handler);
return -ENODEV;
}
}
set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
return 0;
}
static void ec_remove_handlers(struct acpi_ec *ec)
{
if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
@@ -802,9 +794,8 @@ static void ec_remove_handlers(struct acpi_ec *ec)
static int acpi_ec_add(struct acpi_device *device)
{
struct acpi_ec *ec = NULL;
int ret;
if (!device)
return -EINVAL;
strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_EC_CLASS);
@@ -837,9 +828,12 @@ static int acpi_ec_add(struct acpi_device *device)
acpi_ec_add_fs(device);
pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n",
ec->gpe, ec->command_addr, ec->data_addr);
pr_info(PREFIX "driver started in %s mode\n",
(test_bit(EC_FLAGS_GPE_MODE, &ec->flags))?"interrupt":"poll");
return 0;
ret = ec_install_handlers(ec);
/* EC is fully operational, allow queries */
clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
return ret;
}
static int acpi_ec_remove(struct acpi_device *device, int type)
@@ -851,6 +845,7 @@ static int acpi_ec_remove(struct acpi_device *device, int type)
return -EINVAL;
ec = acpi_driver_data(device);
ec_remove_handlers(ec);
mutex_lock(&ec->lock);
list_for_each_entry_safe(handler, tmp, &ec->list, node) {
list_del(&handler->node);
@@ -888,75 +883,6 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context)
return AE_OK;
}
static int ec_install_handlers(struct acpi_ec *ec)
{
acpi_status status;
if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
return 0;
status = acpi_install_gpe_handler(NULL, ec->gpe,
ACPI_GPE_EDGE_TRIGGERED,
&acpi_ec_gpe_handler, ec);
if (ACPI_FAILURE(status))
return -ENODEV;
acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe(NULL, ec->gpe);
status = acpi_install_address_space_handler(ec->handle,
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler,
NULL, ec);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_FOUND) {
/*
* Maybe OS fails in evaluating the _REG object.
* The AE_NOT_FOUND error will be ignored and OS
* continue to initialize EC.
*/
printk(KERN_ERR "Fail in evaluating the _REG object"
" of EC device. Broken bios is suspected.\n");
} else {
acpi_remove_gpe_handler(NULL, ec->gpe,
&acpi_ec_gpe_handler);
return -ENODEV;
}
}
set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
return 0;
}
static int acpi_ec_start(struct acpi_device *device)
{
struct acpi_ec *ec;
int ret = 0;
if (!device)
return -EINVAL;
ec = acpi_driver_data(device);
if (!ec)
return -EINVAL;
ret = ec_install_handlers(ec);
/* EC is fully operational, allow queries */
clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
return ret;
}
static int acpi_ec_stop(struct acpi_device *device, int type)
{
struct acpi_ec *ec;
if (!device)
return -EINVAL;
ec = acpi_driver_data(device);
if (!ec)
return -EINVAL;
ec_remove_handlers(ec);
return 0;
}
int __init acpi_boot_ec_enable(void)
{
if (!boot_ec || test_bit(EC_FLAGS_HANDLERS_INSTALLED, &boot_ec->flags))
@@ -973,6 +899,44 @@ static const struct acpi_device_id ec_device_ids[] = {
{"", 0},
};
/* Some BIOS do not survive early DSDT scan, skip it */
static int ec_skip_dsdt_scan(const struct dmi_system_id *id)
{
EC_FLAGS_SKIP_DSDT_SCAN = 1;
return 0;
}
/* ASUStek often supplies us with broken ECDT, validate it */
static int ec_validate_ecdt(const struct dmi_system_id *id)
{
EC_FLAGS_VALIDATE_ECDT = 1;
return 0;
}
/* MSI EC needs special treatment, enable it */
static int ec_flag_msi(const struct dmi_system_id *id)
{
EC_FLAGS_MSI = 1;
EC_FLAGS_VALIDATE_ECDT = 1;
return 0;
}
static struct dmi_system_id __initdata ec_dmi_table[] = {
{
ec_skip_dsdt_scan, "Compal JFL92", {
DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL},
{
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star"),
DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star") }, NULL},
{
ec_validate_ecdt, "ASUS hardware", {
DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},
{},
};
int __init acpi_ec_ecdt_probe(void)
{
acpi_status status;
@@ -985,11 +949,7 @@ int __init acpi_ec_ecdt_probe(void)
/*
* Generate a boot ec context
*/
if (dmi_name_in_vendors("Micro-Star") ||
dmi_name_in_vendors("Notebook")) {
pr_info(PREFIX "Enabling special treatment for EC from MSI.\n");
EC_FLAGS_MSI = 1;
}
dmi_check_system(ec_dmi_table);
status = acpi_get_table(ACPI_SIG_ECDT, 1,
(struct acpi_table_header **)&ecdt_ptr);
if (ACPI_SUCCESS(status)) {
@@ -1000,7 +960,7 @@ int __init acpi_ec_ecdt_probe(void)
boot_ec->handle = ACPI_ROOT_OBJECT;
acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle);
/* Don't trust ECDT, which comes from ASUSTek */
if (!dmi_name_in_vendors("ASUS") && EC_FLAGS_MSI == 0)
if (!EC_FLAGS_VALIDATE_ECDT)
goto install;
saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
if (!saved_ec)
@@ -1008,6 +968,10 @@ int __init acpi_ec_ecdt_probe(void)
memcpy(saved_ec, boot_ec, sizeof(struct acpi_ec));
/* fall through */
}
if (EC_FLAGS_SKIP_DSDT_SCAN)
return -ENODEV;
/* This workaround is needed only on some broken machines,
* which require early EC, but fail to provide ECDT */
printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
@@ -1054,8 +1018,6 @@ static int acpi_ec_suspend(struct acpi_device *device, pm_message_t state)
{
struct acpi_ec *ec = acpi_driver_data(device);
/* Stop using GPE */
set_bit(EC_FLAGS_NO_GPE, &ec->flags);
clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
acpi_disable_gpe(NULL, ec->gpe);
return 0;
}
@@ -1064,8 +1026,6 @@ static int acpi_ec_resume(struct acpi_device *device)
{
struct acpi_ec *ec = acpi_driver_data(device);
/* Enable use of GPE back */
clear_bit(EC_FLAGS_NO_GPE, &ec->flags);
set_bit(EC_FLAGS_GPE_MODE, &ec->flags);
acpi_enable_gpe(NULL, ec->gpe);
return 0;
}
@@ -1077,8 +1037,6 @@ static struct acpi_driver acpi_ec_driver = {
.ops = {
.add = acpi_ec_add,
.remove = acpi_ec_remove,
.start = acpi_ec_start,
.stop = acpi_ec_stop,
.suspend = acpi_ec_suspend,
.resume = acpi_ec_resume,
},

2
drivers/acpi/event.c
View File

@@ -14,6 +14,8 @@
#include <net/netlink.h>
#include <net/genetlink.h>
#include "internal.h"
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("event");

2
drivers/acpi/fan.c
View File

@@ -34,6 +34,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define ACPI_FAN_CLASS "fan"
#define ACPI_FAN_FILE_STATE "state"

10
drivers/acpi/glue.c
View File

@@ -12,6 +12,8 @@
#include <linux/rwsem.h>
#include <linux/acpi.h>
#include "internal.h"
#define ACPI_GLUE_DEBUG 0
#if ACPI_GLUE_DEBUG
#define DBG(x...) printk(PREFIX x)
@@ -93,15 +95,13 @@ do_acpi_find_child(acpi_handle handle, u32 lvl, void *context, void **rv)
{
acpi_status status;
struct acpi_device_info *info;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_find_child *find = context;
status = acpi_get_object_info(handle, &buffer);
status = acpi_get_object_info(handle, &info);
if (ACPI_SUCCESS(status)) {
info = buffer.pointer;
if (info->address == find->address)
find->handle = handle;
kfree(buffer.pointer);
kfree(info);
}
return AE_OK;
}
@@ -121,7 +121,7 @@ EXPORT_SYMBOL(acpi_get_child);
/* Link ACPI devices with physical devices */
static void acpi_glue_data_handler(acpi_handle handle,
u32 function, void *context)
void *context)
{
/* we provide an empty handler */
}

22
drivers/acpi/internal.h
View File

@@ -1,4 +1,24 @@
/* For use by Linux/ACPI infrastructure, not drivers */
/*
* acpi/internal.h
* For use by Linux/ACPI infrastructure, not drivers
*
* Copyright (c) 2009, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define PREFIX "ACPI: "
int init_acpi_device_notify(void);
int acpi_scan_init(void);

2
drivers/acpi/numa.c
View File

@@ -30,6 +30,8 @@
#include <linux/acpi.h>
#include <acpi/acpi_bus.h>
#define PREFIX "ACPI: "
#define ACPI_NUMA 0x80000000
#define _COMPONENT ACPI_NUMA
ACPI_MODULE_NAME("numa");

138
drivers/acpi/osl.c
View File

@@ -58,6 +58,7 @@ struct acpi_os_dpc {
acpi_osd_exec_callback function;
void *context;
struct work_struct work;
int wait;
};
#ifdef CONFIG_ACPI_CUSTOM_DSDT
@@ -88,6 +89,7 @@ struct acpi_res_list {
char name[5]; /* only can have a length of 4 chars, make use of this
one instead of res->name, no need to kalloc then */
struct list_head resource_list;
int count;
};
static LIST_HEAD(resource_list_head);
@@ -191,7 +193,7 @@ acpi_status __init acpi_os_initialize(void)
static void bind_to_cpu0(struct work_struct *work)
{
set_cpus_allowed(current, cpumask_of_cpu(0));
set_cpus_allowed_ptr(current, cpumask_of(0));
kfree(work);
}
@@ -697,31 +699,12 @@ void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */
static void acpi_os_execute_deferred(struct work_struct *work)
{
struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
if (!dpc) {
printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
return;
}
if (dpc->wait)
acpi_os_wait_events_complete(NULL);
dpc->function(dpc->context);
kfree(dpc);
return;
}
static void acpi_os_execute_hp_deferred(struct work_struct *work)
{
struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
if (!dpc) {
printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
return;
}
acpi_os_wait_events_complete(NULL);
dpc->function(dpc->context);
kfree(dpc);
return;
}
/*******************************************************************************
@@ -745,15 +728,11 @@ static acpi_status __acpi_os_execute(acpi_execute_type type,
acpi_status status = AE_OK;
struct acpi_os_dpc *dpc;
struct workqueue_struct *queue;
work_func_t func;
int ret;
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Scheduling function [%p(%p)] for deferred execution.\n",
function, context));
if (!function)
return AE_BAD_PARAMETER;
/*
* Allocate/initialize DPC structure. Note that this memory will be
* freed by the callee. The kernel handles the work_struct list in a
@@ -778,8 +757,8 @@ static acpi_status __acpi_os_execute(acpi_execute_type type,
*/
queue = hp ? kacpi_hotplug_wq :
(type == OSL_NOTIFY_HANDLER ? kacpi_notify_wq : kacpid_wq);
func = hp ? acpi_os_execute_hp_deferred : acpi_os_execute_deferred;
INIT_WORK(&dpc->work, func);
dpc->wait = hp ? 1 : 0;
INIT_WORK(&dpc->work, acpi_os_execute_deferred);
ret = queue_work(queue, &dpc->work);
if (!ret) {
@@ -1182,7 +1161,13 @@ int acpi_check_resource_conflict(struct resource *res)
res_list_elem->name,
(long long) res_list_elem->start,
(long long) res_list_elem->end);
printk(KERN_INFO "ACPI: Device needs an ACPI driver\n");
if (acpi_enforce_resources == ENFORCE_RESOURCES_LAX)
printk(KERN_NOTICE "ACPI: This conflict may"
" cause random problems and system"
" instability\n");
printk(KERN_INFO "ACPI: If an ACPI driver is available"
" for this device, you should use it instead of"
" the native driver\n");
}
if (acpi_enforce_resources == ENFORCE_RESOURCES_STRICT)
return -EBUSY;
@@ -1358,6 +1343,89 @@ acpi_os_validate_interface (char *interface)
return AE_SUPPORT;
}
static inline int acpi_res_list_add(struct acpi_res_list *res)
{
struct acpi_res_list *res_list_elem;
list_for_each_entry(res_list_elem, &resource_list_head,
resource_list) {
if (res->resource_type == res_list_elem->resource_type &&
res->start == res_list_elem->start &&
res->end == res_list_elem->end) {
/*
* The Region(addr,len) already exist in the list,
* just increase the count
*/
res_list_elem->count++;
return 0;
}
}
res->count = 1;
list_add(&res->resource_list, &resource_list_head);
return 1;
}
static inline void acpi_res_list_del(struct acpi_res_list *res)
{
struct acpi_res_list *res_list_elem;
list_for_each_entry(res_list_elem, &resource_list_head,
resource_list) {
if (res->resource_type == res_list_elem->resource_type &&
res->start == res_list_elem->start &&
res->end == res_list_elem->end) {
/*
* If the res count is decreased to 0,
* remove and free it
*/
if (--res_list_elem->count == 0) {
list_del(&res_list_elem->resource_list);
kfree(res_list_elem);
}
return;
}
}
}
acpi_status
acpi_os_invalidate_address(
u8 space_id,
acpi_physical_address address,
acpi_size length)
{
struct acpi_res_list res;
switch (space_id) {
case ACPI_ADR_SPACE_SYSTEM_IO:
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
/* Only interference checks against SystemIO and SytemMemory
are needed */
res.start = address;
res.end = address + length - 1;
res.resource_type = space_id;
spin_lock(&acpi_res_lock);
acpi_res_list_del(&res);
spin_unlock(&acpi_res_lock);
break;
case ACPI_ADR_SPACE_PCI_CONFIG:
case ACPI_ADR_SPACE_EC:
case ACPI_ADR_SPACE_SMBUS:
case ACPI_ADR_SPACE_CMOS:
case ACPI_ADR_SPACE_PCI_BAR_TARGET:
case ACPI_ADR_SPACE_DATA_TABLE:
case ACPI_ADR_SPACE_FIXED_HARDWARE:
break;
}
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: acpi_os_validate_address
@@ -1382,6 +1450,7 @@ acpi_os_validate_address (
char *name)
{
struct acpi_res_list *res;
int added;
if (acpi_enforce_resources == ENFORCE_RESOURCES_NO)
return AE_OK;
@@ -1399,14 +1468,17 @@ acpi_os_validate_address (
res->end = address + length - 1;
res->resource_type = space_id;
spin_lock(&acpi_res_lock);
list_add(&res->resource_list, &resource_list_head);
added = acpi_res_list_add(res);
spin_unlock(&acpi_res_lock);
pr_debug("Added %s resource: start: 0x%llx, end: 0x%llx, "
"name: %s\n", (space_id == ACPI_ADR_SPACE_SYSTEM_IO)
pr_debug("%s %s resource: start: 0x%llx, end: 0x%llx, "
"name: %s\n", added ? "Added" : "Already exist",
(space_id == ACPI_ADR_SPACE_SYSTEM_IO)
? "SystemIO" : "System Memory",
(unsigned long long)res->start,
(unsigned long long)res->end,
res->name);
if (!added)
kfree(res);
break;
case ACPI_ADR_SPACE_PCI_CONFIG:
case ACPI_ADR_SPACE_EC:

2
drivers/acpi/pci_irq.c
View File

@@ -40,6 +40,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_PCI_COMPONENT
ACPI_MODULE_NAME("pci_irq");

2
drivers/acpi/pci_link.c
View File

@@ -43,6 +43,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_PCI_COMPONENT
ACPI_MODULE_NAME("pci_link");
#define ACPI_PCI_LINK_CLASS "pci_irq_routing"

30
drivers/acpi/pci_root.c
View File

@@ -36,6 +36,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_PCI_COMPONENT
ACPI_MODULE_NAME("pci_root");
#define ACPI_PCI_ROOT_CLASS "pci_bridge"
@@ -61,20 +63,6 @@ static struct acpi_driver acpi_pci_root_driver = {
},
};
struct acpi_pci_root {
struct list_head node;
struct acpi_device *device;
struct pci_bus *bus;
u16 segment;
u8 bus_nr;
u32 osc_support_set; /* _OSC state of support bits */
u32 osc_control_set; /* _OSC state of control bits */
u32 osc_control_qry; /* the latest _OSC query result */
u32 osc_queried:1; /* has _OSC control been queried? */
};
static LIST_HEAD(acpi_pci_roots);
static struct acpi_pci_driver *sub_driver;
@@ -317,7 +305,7 @@ static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags)
return status;
}
static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
{
struct acpi_pci_root *root;
@@ -327,6 +315,7 @@ static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
}
return NULL;
}
EXPORT_SYMBOL_GPL(acpi_pci_find_root);
struct acpi_handle_node {
struct list_head node;
@@ -400,6 +389,17 @@ struct pci_dev *acpi_get_pci_dev(acpi_handle handle)
pbus = pdev->subordinate;
pci_dev_put(pdev);
/*
* This function may be called for a non-PCI device that has a
* PCI parent (eg. a disk under a PCI SATA controller). In that
* case pdev->subordinate will be NULL for the parent.
*/
if (!pbus) {
dev_dbg(&pdev->dev, "Not a PCI-to-PCI bridge\n");
pdev = NULL;
break;
}
}
out:
list_for_each_entry_safe(node, tmp, &device_list, node)

5
drivers/acpi/pci_slot.c
View File

@@ -31,6 +31,7 @@
#include <linux/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <linux/dmi.h>
static int debug;
static int check_sta_before_sun;
@@ -57,7 +58,7 @@ ACPI_MODULE_NAME("pci_slot");
MY_NAME , ## arg); \
} while (0)
#define SLOT_NAME_SIZE 20 /* Inspired by #define in acpiphp.h */
#define SLOT_NAME_SIZE 21 /* Inspired by #define in acpiphp.h */
struct acpi_pci_slot {
acpi_handle root_handle; /* handle of the root bridge */
@@ -149,7 +150,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
return AE_OK;
}
snprintf(name, sizeof(name), "%u", (u32)sun);
snprintf(name, sizeof(name), "%llu", sun);
pci_slot = pci_create_slot(pci_bus, device, name, NULL);
if (IS_ERR(pci_slot)) {
err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot));

59
drivers/acpi/power.c
View File

@@ -43,6 +43,9 @@
#include <linux/seq_file.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include "sleep.h"
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_POWER_COMPONENT
ACPI_MODULE_NAME("power");
@@ -361,17 +364,15 @@ int acpi_device_sleep_wake(struct acpi_device *dev,
*/
int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
{
int i, err;
int i, err = 0;
if (!dev || !dev->wakeup.flags.valid)
return -EINVAL;
/*
* Do not execute the code below twice in a row without calling
* acpi_disable_wakeup_device_power() in between for the same device
*/
if (dev->wakeup.flags.prepared)
return 0;
mutex_lock(&acpi_device_lock);
if (dev->wakeup.prepare_count++)
goto out;
/* Open power resource */
for (i = 0; i < dev->wakeup.resources.count; i++) {
@@ -379,7 +380,8 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
if (ret) {
printk(KERN_ERR PREFIX "Transition power state\n");
dev->wakeup.flags.valid = 0;
return -ENODEV;
err = -ENODEV;
goto err_out;
}
}
@@ -388,9 +390,13 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
* in arbitrary power state afterwards.
*/
err = acpi_device_sleep_wake(dev, 1, sleep_state, 3);
if (!err)
dev->wakeup.flags.prepared = 1;
err_out:
if (err)
dev->wakeup.prepare_count = 0;
out:
mutex_unlock(&acpi_device_lock);
return err;
}
@@ -402,35 +408,42 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
*/
int acpi_disable_wakeup_device_power(struct acpi_device *dev)
{
int i, ret;
int i, err = 0;
if (!dev || !dev->wakeup.flags.valid)
return -EINVAL;
mutex_lock(&acpi_device_lock);
if (--dev->wakeup.prepare_count > 0)
goto out;
/*
* Do not execute the code below twice in a row without calling
* acpi_enable_wakeup_device_power() in between for the same device
* Executing the code below even if prepare_count is already zero when
* the function is called may be useful, for example for initialisation.
*/
if (!dev->wakeup.flags.prepared)
return 0;
if (dev->wakeup.prepare_count < 0)
dev->wakeup.prepare_count = 0;
dev->wakeup.flags.prepared = 0;
ret = acpi_device_sleep_wake(dev, 0, 0, 0);
if (ret)
return ret;
err = acpi_device_sleep_wake(dev, 0, 0, 0);
if (err)
goto out;
/* Close power resource */
for (i = 0; i < dev->wakeup.resources.count; i++) {
ret = acpi_power_off_device(dev->wakeup.resources.handles[i], dev);
int ret = acpi_power_off_device(
dev->wakeup.resources.handles[i], dev);
if (ret) {
printk(KERN_ERR PREFIX "Transition power state\n");
dev->wakeup.flags.valid = 0;
return -ENODEV;
err = -ENODEV;
goto out;
}
}
return ret;
out:
mutex_unlock(&acpi_device_lock);
return err;
}
/* --------------------------------------------------------------------------

1018
drivers/acpi/power_meter.c Normal file
View File

File diff suppressed because it is too large Load Diff

2
drivers/acpi/proc.c
View File

@@ -398,6 +398,8 @@ acpi_system_write_wakeup_device(struct file *file,
if (len > 4)
len = 4;
if (len < 0)
return -EFAULT;
if (copy_from_user(strbuf, buffer, len))
return -EFAULT;

239
drivers/acpi/processor_core.c
View File

@@ -59,6 +59,8 @@
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
#define PREFIX "ACPI: "
#define ACPI_PROCESSOR_CLASS "processor"
#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
#define ACPI_PROCESSOR_FILE_INFO "info"
@@ -79,9 +81,10 @@ MODULE_DESCRIPTION("ACPI Processor Driver");
MODULE_LICENSE("GPL");
static int acpi_processor_add(struct acpi_device *device);
static int acpi_processor_start(struct acpi_device *device);
static int acpi_processor_remove(struct acpi_device *device, int type);
#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
#endif
static void acpi_processor_notify(struct acpi_device *device, u32 event);
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
static int acpi_processor_handle_eject(struct acpi_processor *pr);
@@ -101,7 +104,6 @@ static struct acpi_driver acpi_processor_driver = {
.ops = {
.add = acpi_processor_add,
.remove = acpi_processor_remove,
.start = acpi_processor_start,
.suspend = acpi_processor_suspend,
.resume = acpi_processor_resume,
.notify = acpi_processor_notify,
@@ -110,7 +112,7 @@ static struct acpi_driver acpi_processor_driver = {
#define INSTALL_NOTIFY_HANDLER 1
#define UNINSTALL_NOTIFY_HANDLER 2
#ifdef CONFIG_ACPI_PROCFS
static const struct file_operations acpi_processor_info_fops = {
.owner = THIS_MODULE,
.open = acpi_processor_info_open_fs,
@@ -118,6 +120,7 @@ static const struct file_operations acpi_processor_info_fops = {
.llseek = seq_lseek,
.release = single_release,
};
#endif
DEFINE_PER_CPU(struct acpi_processor *, processors);
struct acpi_processor_errata errata __read_mostly;
@@ -316,6 +319,7 @@ static int acpi_processor_set_pdc(struct acpi_processor *pr)
FS Interface (/proc)
-------------------------------------------------------------------------- */
#ifdef CONFIG_ACPI_PROCFS
static struct proc_dir_entry *acpi_processor_dir = NULL;
static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset)
@@ -388,7 +392,6 @@ static int acpi_processor_add_fs(struct acpi_device *device)
return -EIO;
return 0;
}
static int acpi_processor_remove_fs(struct acpi_device *device)
{
@@ -405,6 +408,16 @@ static int acpi_processor_remove_fs(struct acpi_device *device)
return 0;
}
#else
static inline int acpi_processor_add_fs(struct acpi_device *device)
{
return 0;
}
static inline int acpi_processor_remove_fs(struct acpi_device *device)
{
return 0;
}
#endif
/* Use the acpiid in MADT to map cpus in case of SMP */
@@ -698,92 +711,6 @@ static int acpi_processor_get_info(struct acpi_device *device)
static DEFINE_PER_CPU(void *, processor_device_array);
static int __cpuinit acpi_processor_start(struct acpi_device *device)
{
int result = 0;
struct acpi_processor *pr;
struct sys_device *sysdev;
pr = acpi_driver_data(device);
result = acpi_processor_get_info(device);
if (result) {
/* Processor is physically not present */
return 0;
}
BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
/*
* Buggy BIOS check
* ACPI id of processors can be reported wrongly by the BIOS.
* Don't trust it blindly
*/
if (per_cpu(processor_device_array, pr->id) != NULL &&
per_cpu(processor_device_array, pr->id) != device) {
printk(KERN_WARNING "BIOS reported wrong ACPI id "
"for the processor\n");
return -ENODEV;
}
per_cpu(processor_device_array, pr->id) = device;
per_cpu(processors, pr->id) = pr;
result = acpi_processor_add_fs(device);
if (result)
goto end;
sysdev = get_cpu_sysdev(pr->id);
if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev"))
return -EFAULT;
/* _PDC call should be done before doing anything else (if reqd.). */
arch_acpi_processor_init_pdc(pr);
acpi_processor_set_pdc(pr);
arch_acpi_processor_cleanup_pdc(pr);
#ifdef CONFIG_CPU_FREQ
acpi_processor_ppc_has_changed(pr);
#endif
acpi_processor_get_throttling_info(pr);
acpi_processor_get_limit_info(pr);
acpi_processor_power_init(pr, device);
pr->cdev = thermal_cooling_device_register("Processor", device,
&processor_cooling_ops);
if (IS_ERR(pr->cdev)) {
result = PTR_ERR(pr->cdev);
goto end;
}
dev_info(&device->dev, "registered as cooling_device%d\n",
pr->cdev->id);
result = sysfs_create_link(&device->dev.kobj,
&pr->cdev->device.kobj,
"thermal_cooling");
if (result)
printk(KERN_ERR PREFIX "Create sysfs link\n");
result = sysfs_create_link(&pr->cdev->device.kobj,
&device->dev.kobj,
"device");
if (result)
printk(KERN_ERR PREFIX "Create sysfs link\n");
if (pr->flags.throttling) {
printk(KERN_INFO PREFIX "%s [%s] (supports",
acpi_device_name(device), acpi_device_bid(device));
printk(" %d throttling states", pr->throttling.state_count);
printk(")\n");
}
end:
return result;
}
static void acpi_processor_notify(struct acpi_device *device, u32 event)
{
struct acpi_processor *pr = acpi_driver_data(device);
@@ -846,10 +773,8 @@ static struct notifier_block acpi_cpu_notifier =
static int acpi_processor_add(struct acpi_device *device)
{
struct acpi_processor *pr = NULL;
if (!device)
return -EINVAL;
int result = 0;
struct sys_device *sysdev;
pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
if (!pr)
@@ -865,7 +790,93 @@ static int acpi_processor_add(struct acpi_device *device)
strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
device->driver_data = pr;
result = acpi_processor_get_info(device);
if (result) {
/* Processor is physically not present */
return 0;
}
BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
/*
* Buggy BIOS check
* ACPI id of processors can be reported wrongly by the BIOS.
* Don't trust it blindly
*/
if (per_cpu(processor_device_array, pr->id) != NULL &&
per_cpu(processor_device_array, pr->id) != device) {
printk(KERN_WARNING "BIOS reported wrong ACPI id "
"for the processor\n");
result = -ENODEV;
goto err_free_cpumask;
}
per_cpu(processor_device_array, pr->id) = device;
per_cpu(processors, pr->id) = pr;
result = acpi_processor_add_fs(device);
if (result)
goto err_free_cpumask;
sysdev = get_cpu_sysdev(pr->id);
if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) {
result = -EFAULT;
goto err_remove_fs;
}
/* _PDC call should be done before doing anything else (if reqd.). */
arch_acpi_processor_init_pdc(pr);
acpi_processor_set_pdc(pr);
arch_acpi_processor_cleanup_pdc(pr);
#ifdef CONFIG_CPU_FREQ
acpi_processor_ppc_has_changed(pr);
#endif
acpi_processor_get_throttling_info(pr);
acpi_processor_get_limit_info(pr);
acpi_processor_power_init(pr, device);
pr->cdev = thermal_cooling_device_register("Processor", device,
&processor_cooling_ops);
if (IS_ERR(pr->cdev)) {
result = PTR_ERR(pr->cdev);
goto err_power_exit;
}
dev_info(&device->dev, "registered as cooling_device%d\n",
pr->cdev->id);
result = sysfs_create_link(&device->dev.kobj,
&pr->cdev->device.kobj,
"thermal_cooling");
if (result) {
printk(KERN_ERR PREFIX "Create sysfs link\n");
goto err_thermal_unregister;
}
result = sysfs_create_link(&pr->cdev->device.kobj,
&device->dev.kobj,
"device");
if (result) {
printk(KERN_ERR PREFIX "Create sysfs link\n");
goto err_remove_sysfs;
}
return 0;
err_remove_sysfs:
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
err_thermal_unregister:
thermal_cooling_device_unregister(pr->cdev);
err_power_exit:
acpi_processor_power_exit(pr, device);
err_remove_fs:
acpi_processor_remove_fs(device);
err_free_cpumask:
free_cpumask_var(pr->throttling.shared_cpu_map);
return result;
}
static int acpi_processor_remove(struct acpi_device *device, int type)
@@ -942,7 +953,6 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
{
acpi_handle phandle;
struct acpi_device *pdev;
struct acpi_processor *pr;
if (acpi_get_parent(handle, &phandle)) {
@@ -957,15 +967,6 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
return -ENODEV;
}
acpi_bus_start(*device);
pr = acpi_driver_data(*device);
if (!pr)
return -ENODEV;
if ((pr->id >= 0) && (pr->id < nr_cpu_ids)) {
kobject_uevent(&(*device)->dev.kobj, KOBJ_ONLINE);
}
return 0;
}
@@ -995,25 +996,6 @@ static void __ref acpi_processor_hotplug_notify(acpi_handle handle,
"Unable to add the device\n");
break;
}
pr = acpi_driver_data(device);
if (!pr) {
printk(KERN_ERR PREFIX "Driver data is NULL\n");
break;
}
if (pr->id >= 0 && (pr->id < nr_cpu_ids)) {
kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
break;
}
result = acpi_processor_start(device);
if ((!result) && ((pr->id >= 0) && (pr->id < nr_cpu_ids))) {
kobject_uevent(&device->dev.kobj, KOBJ_ONLINE);
} else {
printk(KERN_ERR PREFIX "Device [%s] failed to start\n",
acpi_device_bid(device));
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -1030,9 +1012,6 @@ static void __ref acpi_processor_hotplug_notify(acpi_handle handle,
"Driver data is NULL, dropping EJECT\n");
return;
}
if ((pr->id < nr_cpu_ids) && (cpu_present(pr->id)))
kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -1161,11 +1140,11 @@ static int __init acpi_processor_init(void)
(struct acpi_table_header **)&madt)))
madt = NULL;
#endif
#ifdef CONFIG_ACPI_PROCFS
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
return -ENOMEM;
#endif
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
@@ -1193,7 +1172,9 @@ out_cpuidle:
cpuidle_unregister_driver(&acpi_idle_driver);
out_proc:
#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
#endif
return result;
}
@@ -1213,7 +1194,9 @@ static void __exit acpi_processor_exit(void)
cpuidle_unregister_driver(&acpi_idle_driver);
#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
#endif
return;
}

20
drivers/acpi/processor_idle.c
View File

@@ -60,6 +60,8 @@
#include <acpi/processor.h>
#include <asm/processor.h>
#define PREFIX "ACPI: "
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_idle");
@@ -680,6 +682,7 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr)
return 0;
}
#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_processor *pr = seq->private;
@@ -759,7 +762,7 @@ static const struct file_operations acpi_processor_power_fops = {
.llseek = seq_lseek,
.release = single_release,
};
#endif
/**
* acpi_idle_bm_check - checks if bus master activity was detected
@@ -1160,8 +1163,9 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
{
acpi_status status = 0;
static int first_run;
#ifdef CONFIG_ACPI_PROCFS
struct proc_dir_entry *entry = NULL;
unsigned int i;
#endif
if (boot_option_idle_override)
return 0;
@@ -1209,15 +1213,8 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
acpi_processor_setup_cpuidle(pr);
if (cpuidle_register_device(&pr->power.dev))
return -EIO;
printk(KERN_INFO PREFIX "CPU%d (power states:", pr->id);
for (i = 1; i <= pr->power.count; i++)
if (pr->power.states[i].valid)
printk(" C%d[C%d]", i,
pr->power.states[i].type);
printk(")\n");
}
#ifdef CONFIG_ACPI_PROCFS
/* 'power' [R] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_POWER,
S_IRUGO, acpi_device_dir(device),
@@ -1225,6 +1222,7 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
acpi_driver_data(device));
if (!entry)
return -EIO;
#endif
return 0;
}
@@ -1237,9 +1235,11 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
cpuidle_unregister_device(&pr->power.dev);
pr->flags.power_setup_done = 0;
#ifdef CONFIG_ACPI_PROCFS
if (acpi_device_dir(device))
remove_proc_entry(ACPI_PROCESSOR_FILE_POWER,
acpi_device_dir(device));
#endif
return 0;
}

5
drivers/acpi/processor_perflib.c
View File

@@ -39,6 +39,8 @@
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
#define PREFIX "ACPI: "
#define ACPI_PROCESSOR_CLASS "processor"
#define ACPI_PROCESSOR_FILE_PERFORMANCE "performance"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
@@ -509,7 +511,7 @@ int acpi_processor_preregister_performance(
struct acpi_processor *match_pr;
struct acpi_psd_package *match_pdomain;
if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
if (!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL))
return -ENOMEM;
mutex_lock(&performance_mutex);
@@ -556,7 +558,6 @@ int acpi_processor_preregister_performance(
* Now that we have _PSD data from all CPUs, lets setup P-state
* domain info.
*/
cpumask_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = per_cpu(processors, i);
if (!pr)

5
drivers/acpi/processor_thermal.c
View File

@@ -40,6 +40,8 @@
#include <acpi/processor.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_thermal");
@@ -438,7 +440,7 @@ struct thermal_cooling_device_ops processor_cooling_ops = {
};
/* /proc interface */
#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_processor *pr = (struct acpi_processor *)seq->private;
@@ -517,3 +519,4 @@ const struct file_operations acpi_processor_limit_fops = {
.llseek = seq_lseek,
.release = single_release,
};
#endif

8
drivers/acpi/processor_throttling.c
View File

@@ -41,6 +41,8 @@
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
#define PREFIX "ACPI: "
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_throttling");
@@ -75,7 +77,7 @@ static int acpi_processor_update_tsd_coord(void)
struct acpi_tsd_package *pdomain, *match_pdomain;
struct acpi_processor_throttling *pthrottling, *match_pthrottling;
if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
if (!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL))
return -ENOMEM;
/*
@@ -103,7 +105,6 @@ static int acpi_processor_update_tsd_coord(void)
if (retval)
goto err_ret;
cpumask_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = per_cpu(processors, i);
if (!pr)
@@ -1216,7 +1217,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
}
/* proc interface */
#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_throttling_seq_show(struct seq_file *seq,
void *offset)
{
@@ -1324,3 +1325,4 @@ const struct file_operations acpi_processor_throttling_fops = {
.llseek = seq_lseek,
.release = single_release,
};
#endif

2
drivers/acpi/sbs.c
View File

@@ -46,6 +46,8 @@
#include "sbshc.h"
#define PREFIX "ACPI: "
#define ACPI_SBS_CLASS "sbs"
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_BATTERY_CLASS "battery"

2
drivers/acpi/sbshc.c
View File

@@ -15,6 +15,8 @@
#include <linux/interrupt.h>
#include "sbshc.h"
#define PREFIX "ACPI: "
#define ACPI_SMB_HC_CLASS "smbus_host_controller"
#define ACPI_SMB_HC_DEVICE_NAME "ACPI SMBus HC"

714
drivers/acpi/scan.c
View File

File diff suppressed because it is too large Load Diff

20
drivers/acpi/sleep.c
View File

@@ -405,6 +405,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
},
},
{
.callback = init_set_sci_en_on_resume,
.ident = "Hewlett-Packard HP Pavilion dv3 Notebook PC",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv3 Notebook PC"),
},
},
{
.callback = init_old_suspend_ordering,
.ident = "Panasonic CF51-2L",
.matches = {
@@ -689,19 +697,25 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
{
acpi_handle handle;
struct acpi_device *adev;
int error;
if (!device_may_wakeup(dev))
if (!device_can_wakeup(dev))
return -EINVAL;
handle = DEVICE_ACPI_HANDLE(dev);
if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
printk(KERN_DEBUG "ACPI handle has no context!\n");
dev_dbg(dev, "ACPI handle has no context in %s!\n", __func__);
return -ENODEV;
}
return enable ?
error = enable ?
acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) :
acpi_disable_wakeup_device_power(adev);
if (!error)
dev_info(dev, "wake-up capability %s by ACPI\n",
enable ? "enabled" : "disabled");
return error;
}
#endif

2
drivers/acpi/system.c
View File

@@ -31,6 +31,8 @@
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("system");

6
drivers/acpi/tables.c
View File

@@ -213,6 +213,9 @@ acpi_table_parse_entries(char *id,
unsigned long table_end;
acpi_size tbl_size;
if (acpi_disabled)
return -ENODEV;
if (!handler)
return -EINVAL;
@@ -277,6 +280,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
struct acpi_table_header *table = NULL;
acpi_size tbl_size;
if (acpi_disabled)
return -ENODEV;
if (!handler)
return -EINVAL;

2
drivers/acpi/thermal.c
View File

@@ -47,6 +47,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define ACPI_THERMAL_CLASS "thermal_zone"
#define ACPI_THERMAL_DEVICE_NAME "Thermal Zone"
#define ACPI_THERMAL_FILE_STATE "state"

2
drivers/acpi/utils.c
View File

@@ -30,6 +30,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include "internal.h"
#define _COMPONENT ACPI_BUS_COMPONENT
ACPI_MODULE_NAME("utils");

93
drivers/acpi/video.c
View File

@@ -40,10 +40,12 @@
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include <asm/uaccess.h>
#include <linux/dmi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define PREFIX "ACPI: "
#define ACPI_VIDEO_CLASS "video"
#define ACPI_VIDEO_BUS_NAME "Video Bus"
#define ACPI_VIDEO_DEVICE_NAME "Video Device"
@@ -198,7 +200,7 @@ struct acpi_video_device {
struct acpi_device *dev;
struct acpi_video_device_brightness *brightness;
struct backlight_device *backlight;
struct thermal_cooling_device *cdev;
struct thermal_cooling_device *cooling_dev;
struct output_device *output_dev;
};
@@ -283,7 +285,7 @@ static int acpi_video_device_brightness_open_fs(struct inode *inode,
struct file *file);
static ssize_t acpi_video_device_write_brightness(struct file *file,
const char __user *buffer, size_t count, loff_t *data);
static struct file_operations acpi_video_device_brightness_fops = {
static const struct file_operations acpi_video_device_brightness_fops = {
.owner = THIS_MODULE,
.open = acpi_video_device_brightness_open_fs,
.read = seq_read,
@@ -387,20 +389,20 @@ static struct output_properties acpi_output_properties = {
/* thermal cooling device callbacks */
static int video_get_max_state(struct thermal_cooling_device *cdev, unsigned
static int video_get_max_state(struct thermal_cooling_device *cooling_dev, unsigned
long *state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_device *device = cooling_dev->devdata;
struct acpi_video_device *video = acpi_driver_data(device);
*state = video->brightness->count - 3;
return 0;
}
static int video_get_cur_state(struct thermal_cooling_device *cdev, unsigned
static int video_get_cur_state(struct thermal_cooling_device *cooling_dev, unsigned
long *state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_device *device = cooling_dev->devdata;
struct acpi_video_device *video = acpi_driver_data(device);
unsigned long long level;
int offset;
@@ -417,9 +419,9 @@ static int video_get_cur_state(struct thermal_cooling_device *cdev, unsigned
}
static int
video_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
video_set_cur_state(struct thermal_cooling_device *cooling_dev, unsigned long state)
{
struct acpi_device *device = cdev->devdata;
struct acpi_device *device = cooling_dev->devdata;
struct acpi_video_device *video = acpi_driver_data(device);
int level;
@@ -603,6 +605,7 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
unsigned long long *level)
{
acpi_status status = AE_OK;
int i;
if (device->cap._BQC || device->cap._BCQ) {
char *buf = device->cap._BQC ? "_BQC" : "_BCQ";
@@ -618,8 +621,15 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
}
*level += bqc_offset_aml_bug_workaround;
device->brightness->curr = *level;
return 0;
for (i = 2; i < device->brightness->count; i++)
if (device->brightness->levels[i] == *level) {
device->brightness->curr = *level;
return 0;
}
/* BQC returned an invalid level. Stop using it. */
ACPI_WARNING((AE_INFO, "%s returned an invalid level",
buf));
device->cap._BQC = device->cap._BCQ = 0;
} else {
/* Fixme:
* should we return an error or ignore this failure?
@@ -870,7 +880,7 @@ acpi_video_init_brightness(struct acpi_video_device *device)
br->flags._BCM_use_index = br->flags._BCL_use_index;
/* _BQC uses INDEX while _BCL uses VALUE in some laptops */
br->curr = level_old = max_level;
br->curr = level = max_level;
if (!device->cap._BQC)
goto set_level;
@@ -892,15 +902,25 @@ acpi_video_init_brightness(struct acpi_video_device *device)
br->flags._BQC_use_index = (level == max_level ? 0 : 1);
if (!br->flags._BQC_use_index)
if (!br->flags._BQC_use_index) {
/*
* Set the backlight to the initial state.
* On some buggy laptops, _BQC returns an uninitialized value
* when invoked for the first time, i.e. level_old is invalid.
* set the backlight to max_level in this case
*/
for (i = 2; i < br->count; i++)
if (level_old == br->levels[i])
level = level_old;
goto set_level;
}
if (br->flags._BCL_reversed)
level_old = (br->count - 1) - level_old;
level_old = br->levels[level_old];
level = br->levels[level_old];
set_level:
result = acpi_video_device_lcd_set_level(device, level_old);
result = acpi_video_device_lcd_set_level(device, level);
if (result)
goto out_free_levels;
@@ -934,9 +954,6 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
{
acpi_handle h_dummy1;
memset(&device->cap, 0, sizeof(device->cap));
if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_ADR", &h_dummy1))) {
device->cap._ADR = 1;
}
@@ -990,19 +1007,29 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
if (result)
printk(KERN_ERR PREFIX "Create sysfs link\n");
device->cdev = thermal_cooling_device_register("LCD",
device->cooling_dev = thermal_cooling_device_register("LCD",
device->dev, &video_cooling_ops);
if (IS_ERR(device->cdev))
if (IS_ERR(device->cooling_dev)) {
/*
* Set cooling_dev to NULL so we don't crash trying to
* free it.
* Also, why the hell we are returning early and
* not attempt to register video output if cooling
* device registration failed?
* -- dtor
*/
device->cooling_dev = NULL;
return;
}
dev_info(&device->dev->dev, "registered as cooling_device%d\n",
device->cdev->id);
device->cooling_dev->id);
result = sysfs_create_link(&device->dev->dev.kobj,
&device->cdev->device.kobj,
&device->cooling_dev->device.kobj,
"thermal_cooling");
if (result)
printk(KERN_ERR PREFIX "Create sysfs link\n");
result = sysfs_create_link(&device->cdev->device.kobj,
result = sysfs_create_link(&device->cooling_dev->device.kobj,
&device->dev->dev.kobj, "device");
if (result)
printk(KERN_ERR PREFIX "Create sysfs link\n");
@@ -1039,7 +1066,6 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video)
{
acpi_handle h_dummy1;
memset(&video->cap, 0, sizeof(video->cap));
if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOS", &h_dummy1))) {
video->cap._DOS = 1;
}
@@ -1083,7 +1109,12 @@ static int acpi_video_bus_check(struct acpi_video_bus *video)
*/
/* Does this device support video switching? */
if (video->cap._DOS) {
if (video->cap._DOS || video->cap._DOD) {
if (!video->cap._DOS) {
printk(KERN_WARNING FW_BUG
"ACPI(%s) defines _DOD but not _DOS\n",
acpi_device_bid(video->device));
}
video->flags.multihead = 1;
status = 0;
}
@@ -1960,6 +1991,10 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event)
result = acpi_video_device_lcd_set_level(device, level_next);
if (!result)
backlight_force_update(device->backlight,
BACKLIGHT_UPDATE_HOTKEY);
out:
if (result)
printk(KERN_ERR PREFIX "Failed to switch the brightness\n");
@@ -2009,13 +2044,13 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
backlight_device_unregister(device->backlight);
device->backlight = NULL;
}
if (device->cdev) {
if (device->cooling_dev) {
sysfs_remove_link(&device->dev->dev.kobj,
"thermal_cooling");
sysfs_remove_link(&device->cdev->device.kobj,
sysfs_remove_link(&device->cooling_dev->device.kobj,
"device");
thermal_cooling_device_unregister(device->cdev);
device->cdev = NULL;
thermal_cooling_device_unregister(device->cooling_dev);
device->cooling_dev = NULL;
}
video_output_unregister(device->output_dev);

4
drivers/acpi/video_detect.c
View File

@@ -38,6 +38,8 @@
#include <linux/dmi.h>
#include <linux/pci.h>
#define PREFIX "ACPI: "
ACPI_MODULE_NAME("video");
#define _COMPONENT ACPI_VIDEO_COMPONENT
@@ -82,7 +84,7 @@ long acpi_is_video_device(struct acpi_device *device)
return 0;
/* Does this device able to support video switching ? */
if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) &&
if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) ||
ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy)))
video_caps |= ACPI_VIDEO_OUTPUT_SWITCHING;

4
drivers/acpi/wakeup.c
View File

@@ -68,7 +68,7 @@ void acpi_enable_wakeup_device(u8 sleep_state)
/* If users want to disable run-wake GPE,
* we only disable it for wake and leave it for runtime
*/
if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
if ((!dev->wakeup.state.enabled && !dev->wakeup.prepare_count)
|| sleep_state > (u32) dev->wakeup.sleep_state) {
if (dev->wakeup.flags.run_wake) {
/* set_gpe_type will disable GPE, leave it like that */
@@ -100,7 +100,7 @@ void acpi_disable_wakeup_device(u8 sleep_state)
if (!dev->wakeup.flags.valid)
continue;
if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
if ((!dev->wakeup.state.enabled && !dev->wakeup.prepare_count)
|| sleep_state > (u32) dev->wakeup.sleep_state) {
if (dev->wakeup.flags.run_wake) {
acpi_set_gpe_type(dev->wakeup.gpe_device,

9
drivers/ata/Kconfig
View File

@@ -255,6 +255,15 @@ config PATA_ARTOP
If unsure, say N.
config PATA_ATP867X
tristate "ARTOP/Acard ATP867X PATA support"
depends on PCI
help
This option enables support for ARTOP/Acard ATP867X PATA
controllers.
If unsure, say N.
config PATA_AT32
tristate "Atmel AVR32 PATA support (Experimental)"
depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL

1
drivers/ata/Makefile
View File

@@ -22,6 +22,7 @@ obj-$(CONFIG_SATA_FSL) += sata_fsl.o
obj-$(CONFIG_PATA_ALI) += pata_ali.o
obj-$(CONFIG_PATA_AMD) += pata_amd.o
obj-$(CONFIG_PATA_ARTOP) += pata_artop.o
obj-$(CONFIG_PATA_ATP867X) += pata_atp867x.o
obj-$(CONFIG_PATA_AT32) += pata_at32.o
obj-$(CONFIG_PATA_ATIIXP) += pata_atiixp.o
obj-$(CONFIG_PATA_CMD640_PCI) += pata_cmd640.o

202
drivers/ata/ahci.c
View File

@@ -122,6 +122,7 @@ enum {
HOST_VERSION = 0x10, /* AHCI spec. version compliancy */
HOST_EM_LOC = 0x1c, /* Enclosure Management location */
HOST_EM_CTL = 0x20, /* Enclosure Management Control */
HOST_CAP2 = 0x24, /* host capabilities, extended */
/* HOST_CTL bits */
HOST_RESET = (1 << 0), /* reset controller; self-clear */
@@ -129,16 +130,29 @@ enum {
HOST_AHCI_EN = (1 << 31), /* AHCI enabled */
/* HOST_CAP bits */
HOST_CAP_SXS = (1 << 5), /* Supports External SATA */
HOST_CAP_EMS = (1 << 6), /* Enclosure Management support */
HOST_CAP_SSC = (1 << 14), /* Slumber capable */
HOST_CAP_CCC = (1 << 7), /* Command Completion Coalescing */
HOST_CAP_PART = (1 << 13), /* Partial state capable */
HOST_CAP_SSC = (1 << 14), /* Slumber state capable */
HOST_CAP_PIO_MULTI = (1 << 15), /* PIO multiple DRQ support */
HOST_CAP_FBS = (1 << 16), /* FIS-based switching support */
HOST_CAP_PMP = (1 << 17), /* Port Multiplier support */
HOST_CAP_ONLY = (1 << 18), /* Supports AHCI mode only */
HOST_CAP_CLO = (1 << 24), /* Command List Override support */
HOST_CAP_LED = (1 << 25), /* Supports activity LED */
HOST_CAP_ALPM = (1 << 26), /* Aggressive Link PM support */
HOST_CAP_SSS = (1 << 27), /* Staggered Spin-up */
HOST_CAP_MPS = (1 << 28), /* Mechanical presence switch */
HOST_CAP_SNTF = (1 << 29), /* SNotification register */
HOST_CAP_NCQ = (1 << 30), /* Native Command Queueing */
HOST_CAP_64 = (1 << 31), /* PCI DAC (64-bit DMA) support */
/* HOST_CAP2 bits */
HOST_CAP2_BOH = (1 << 0), /* BIOS/OS handoff supported */
HOST_CAP2_NVMHCI = (1 << 1), /* NVMHCI supported */
HOST_CAP2_APST = (1 << 2), /* Automatic partial to slumber */
/* registers for each SATA port */
PORT_LST_ADDR = 0x00, /* command list DMA addr */
PORT_LST_ADDR_HI = 0x04, /* command list DMA addr hi */
@@ -267,8 +281,10 @@ struct ahci_em_priv {
struct ahci_host_priv {
unsigned int flags; /* AHCI_HFLAG_* */
u32 cap; /* cap to use */
u32 cap2; /* cap2 to use */
u32 port_map; /* port map to use */
u32 saved_cap; /* saved initial cap */
u32 saved_cap2; /* saved initial cap2 */
u32 saved_port_map; /* saved initial port_map */
u32 em_loc; /* enclosure management location */
};
@@ -331,12 +347,15 @@ static void ahci_init_sw_activity(struct ata_link *link);
static ssize_t ahci_show_host_caps(struct device *dev,
struct device_attribute *attr, char *buf);
static ssize_t ahci_show_host_cap2(struct device *dev,
struct device_attribute *attr, char *buf);
static ssize_t ahci_show_host_version(struct device *dev,
struct device_attribute *attr, char *buf);
static ssize_t ahci_show_port_cmd(struct device *dev,
struct device_attribute *attr, char *buf);
DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
DEVICE_ATTR(ahci_host_version, S_IRUGO, ahci_show_host_version, NULL);
DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
@@ -345,6 +364,7 @@ static struct device_attribute *ahci_shost_attrs[] = {
&dev_attr_em_message_type,
&dev_attr_em_message,
&dev_attr_ahci_host_caps,
&dev_attr_ahci_host_cap2,
&dev_attr_ahci_host_version,
&dev_attr_ahci_port_cmd,
NULL
@@ -447,7 +467,8 @@ static const struct ata_port_info ahci_port_info[] = {
[board_ahci_sb600] =
{
AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255),
AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
AHCI_HFLAG_32BIT_ONLY),
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
@@ -732,6 +753,16 @@ static ssize_t ahci_show_host_caps(struct device *dev,
return sprintf(buf, "%x\n", hpriv->cap);
}
static ssize_t ahci_show_host_cap2(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct ata_port *ap = ata_shost_to_port(shost);
struct ahci_host_priv *hpriv = ap->host->private_data;
return sprintf(buf, "%x\n", hpriv->cap2);
}
static ssize_t ahci_show_host_version(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -771,7 +802,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
struct ahci_host_priv *hpriv)
{
void __iomem *mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR];
u32 cap, port_map;
u32 cap, cap2, vers, port_map;
int i;
int mv;
@@ -784,6 +815,14 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
hpriv->saved_cap = cap = readl(mmio + HOST_CAP);
hpriv->saved_port_map = port_map = readl(mmio + HOST_PORTS_IMPL);
/* CAP2 register is only defined for AHCI 1.2 and later */
vers = readl(mmio + HOST_VERSION);
if ((vers >> 16) > 1 ||
((vers >> 16) == 1 && (vers & 0xFFFF) >= 0x200))
hpriv->saved_cap2 = cap2 = readl(mmio + HOST_CAP2);
else
hpriv->saved_cap2 = cap2 = 0;
/* some chips have errata preventing 64bit use */
if ((cap & HOST_CAP_64) && (hpriv->flags & AHCI_HFLAG_32BIT_ONLY)) {
dev_printk(KERN_INFO, &pdev->dev,
@@ -869,6 +908,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
/* record values to use during operation */
hpriv->cap = cap;
hpriv->cap2 = cap2;
hpriv->port_map = port_map;
}
@@ -887,6 +927,8 @@ static void ahci_restore_initial_config(struct ata_host *host)
void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
writel(hpriv->saved_cap, mmio + HOST_CAP);
if (hpriv->saved_cap2)
writel(hpriv->saved_cap2, mmio + HOST_CAP2);
writel(hpriv->saved_port_map, mmio + HOST_PORTS_IMPL);
(void) readl(mmio + HOST_PORTS_IMPL); /* flush */
}
@@ -2534,13 +2576,14 @@ static void ahci_print_info(struct ata_host *host)
struct ahci_host_priv *hpriv = host->private_data;
struct pci_dev *pdev = to_pci_dev(host->dev);
void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
u32 vers, cap, impl, speed;
u32 vers, cap, cap2, impl, speed;
const char *speed_s;
u16 cc;
const char *scc_s;
vers = readl(mmio + HOST_VERSION);
cap = hpriv->cap;
cap2 = hpriv->cap2;
impl = hpriv->port_map;
speed = (cap >> 20) & 0xf;
@@ -2583,25 +2626,29 @@ static void ahci_print_info(struct ata_host *host)
"flags: "
"%s%s%s%s%s%s%s"
"%s%s%s%s%s%s%s"
"%s\n"
"%s%s%s%s%s%s\n"
,
cap & (1 << 31) ? "64bit " : "",
cap & (1 << 30) ? "ncq " : "",
cap & (1 << 29) ? "sntf " : "",
cap & (1 << 28) ? "ilck " : "",
cap & (1 << 27) ? "stag " : "",
cap & (1 << 26) ? "pm " : "",
cap & (1 << 25) ? "led " : "",
cap & (1 << 24) ? "clo " : "",
cap & (1 << 19) ? "nz " : "",
cap & (1 << 18) ? "only " : "",
cap & (1 << 17) ? "pmp " : "",
cap & (1 << 15) ? "pio " : "",
cap & (1 << 14) ? "slum " : "",
cap & (1 << 13) ? "part " : "",
cap & (1 << 6) ? "ems ": ""
cap & HOST_CAP_64 ? "64bit " : "",
cap & HOST_CAP_NCQ ? "ncq " : "",
cap & HOST_CAP_SNTF ? "sntf " : "",
cap & HOST_CAP_MPS ? "ilck " : "",
cap & HOST_CAP_SSS ? "stag " : "",
cap & HOST_CAP_ALPM ? "pm " : "",
cap & HOST_CAP_LED ? "led " : "",
cap & HOST_CAP_CLO ? "clo " : "",
cap & HOST_CAP_ONLY ? "only " : "",
cap & HOST_CAP_PMP ? "pmp " : "",
cap & HOST_CAP_FBS ? "fbs " : "",
cap & HOST_CAP_PIO_MULTI ? "pio " : "",
cap & HOST_CAP_SSC ? "slum " : "",
cap & HOST_CAP_PART ? "part " : "",
cap & HOST_CAP_CCC ? "ccc " : "",
cap & HOST_CAP_EMS ? "ems " : "",
cap & HOST_CAP_SXS ? "sxs " : "",
cap2 & HOST_CAP2_APST ? "apst " : "",
cap2 & HOST_CAP2_NVMHCI ? "nvmp " : "",
cap2 & HOST_CAP2_BOH ? "boh " : ""
);
}
@@ -2650,17 +2697,15 @@ static void ahci_p5wdh_workaround(struct ata_host *host)
}
}
/*
* SB600 ahci controller on certain boards can't do 64bit DMA with
* older BIOS.
*/
static bool ahci_sb600_32bit_only(struct pci_dev *pdev)
/* only some SB600 ahci controllers can do 64bit DMA */
static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
{
static const struct dmi_system_id sysids[] = {
/*
* The oldest version known to be broken is 0901 and
* working is 1501 which was released on 2007-10-26.
* Force 32bit DMA on anything older than 1501.
* Enable 64bit DMA on 1501 and anything newer.
*
* Please read bko#9412 for more info.
*/
{
@@ -2672,48 +2717,29 @@ static bool ahci_sb600_32bit_only(struct pci_dev *pdev)
},
.driver_data = "20071026", /* yyyymmdd */
},
/*
* It's yet unknown whether more recent BIOS fixes the
* problem. Blacklist the whole board for the time
* being. Please read the following thread for more
* info.
*
* http://thread.gmane.org/gmane.linux.ide/42326
*/
{
.ident = "Gigabyte GA-MA69VM-S2",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR,
"Gigabyte Technology Co., Ltd."),
DMI_MATCH(DMI_BOARD_NAME, "GA-MA69VM-S2"),
},
},
{ }
};
const struct dmi_system_id *match;
int year, month, date;
char buf[9];
match = dmi_first_match(sysids);
if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
!match)
return false;
if (match->driver_data) {
int year, month, date;
char buf[9];
dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
if (strcmp(buf, match->driver_data) >= 0)
return false;
dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
if (strcmp(buf, match->driver_data) >= 0) {
dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n",
match->ident);
return true;
} else {
dev_printk(KERN_WARNING, &pdev->dev, "%s: BIOS too old, "
"forcing 32bit DMA, update BIOS\n", match->ident);
} else
dev_printk(KERN_WARNING, &pdev->dev, "%s: this board can't "
"do 64bit DMA, forcing 32bit\n", match->ident);
return true;
return false;
}
}
static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
@@ -2858,6 +2884,55 @@ static bool ahci_broken_online(struct pci_dev *pdev)
return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
}
#ifdef CONFIG_ATA_ACPI
static void ahci_gtf_filter_workaround(struct ata_host *host)
{
static const struct dmi_system_id sysids[] = {
/*
* Aspire 3810T issues a bunch of SATA enable commands
* via _GTF including an invalid one and one which is
* rejected by the device. Among the successful ones
* is FPDMA non-zero offset enable which when enabled
* only on the drive side leads to NCQ command
* failures. Filter it out.
*/
{
.ident = "Aspire 3810T",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
},
.driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
},
{ }
};
const struct dmi_system_id *dmi = dmi_first_match(sysids);
unsigned int filter;
int i;
if (!dmi)
return;
filter = (unsigned long)dmi->driver_data;
dev_printk(KERN_INFO, host->dev,
"applying extra ACPI _GTF filter 0x%x for %s\n",
filter, dmi->ident);
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
struct ata_link *link;
struct ata_device *dev;
ata_for_each_link(link, ap, EDGE)
ata_for_each_dev(dev, link, ALL)
dev->gtf_filter |= filter;
}
}
#else
static inline void ahci_gtf_filter_workaround(struct ata_host *host)
{}
#endif
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
@@ -2926,12 +3001,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
/* apply sb600 32bit only quirk */
if (ahci_sb600_32bit_only(pdev))
hpriv->flags |= AHCI_HFLAG_32BIT_ONLY;
/* only some SB600s can do 64bit DMA */
if (ahci_sb600_enable_64bit(pdev))
hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
if (!(hpriv->flags & AHCI_HFLAG_NO_MSI))
pci_enable_msi(pdev);
if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
pci_intx(pdev, 1);
/* save initial config */
ahci_save_initial_config(pdev, hpriv);
@@ -3023,6 +3098,9 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* apply workaround for ASUS P5W DH Deluxe mainboard */
ahci_p5wdh_workaround(host);
/* apply gtf filter quirk */
ahci_gtf_filter_workaround(host);
/* initialize adapter */
rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
if (rc)

40
drivers/ata/libata-acpi.c
View File

@@ -20,19 +20,9 @@
#include <acpi/acpi_bus.h>
enum {
ATA_ACPI_FILTER_SETXFER = 1 << 0,
ATA_ACPI_FILTER_LOCK = 1 << 1,
ATA_ACPI_FILTER_DIPM = 1 << 2,
ATA_ACPI_FILTER_DEFAULT = ATA_ACPI_FILTER_SETXFER |
ATA_ACPI_FILTER_LOCK |
ATA_ACPI_FILTER_DIPM,
};
static unsigned int ata_acpi_gtf_filter = ATA_ACPI_FILTER_DEFAULT;
unsigned int ata_acpi_gtf_filter = ATA_ACPI_FILTER_DEFAULT;
module_param_named(acpi_gtf_filter, ata_acpi_gtf_filter, int, 0644);
MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock, 0x4=DIPM)");
MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock, 0x4=DIPM, 0x8=FPDMA non-zero offset, 0x10=FPDMA DMA Setup FIS auto-activate)");
#define NO_PORT_MULT 0xffff
#define SATA_ADR(root, pmp) (((root) << 16) | (pmp))
@@ -613,10 +603,11 @@ static void ata_acpi_gtf_to_tf(struct ata_device *dev,
tf->command = gtf->tf[6]; /* 0x1f7 */
}
static int ata_acpi_filter_tf(const struct ata_taskfile *tf,
static int ata_acpi_filter_tf(struct ata_device *dev,
const struct ata_taskfile *tf,
const struct ata_taskfile *ptf)
{
if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_SETXFER) {
if (dev->gtf_filter & ATA_ACPI_FILTER_SETXFER) {
/* libata doesn't use ACPI to configure transfer mode.
* It will only confuse device configuration. Skip.
*/
@@ -625,7 +616,7 @@ static int ata_acpi_filter_tf(const struct ata_taskfile *tf,
return 1;
}
if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_LOCK) {
if (dev->gtf_filter & ATA_ACPI_FILTER_LOCK) {
/* BIOS writers, sorry but we don't wanna lock
* features unless the user explicitly said so.
*/
@@ -647,12 +638,23 @@ static int ata_acpi_filter_tf(const struct ata_taskfile *tf,
return 1;
}
if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_DIPM) {
if (tf->command == ATA_CMD_SET_FEATURES &&
tf->feature == SETFEATURES_SATA_ENABLE) {
/* inhibit enabling DIPM */
if (tf->command == ATA_CMD_SET_FEATURES &&
tf->feature == SETFEATURES_SATA_ENABLE &&
if (dev->gtf_filter & ATA_ACPI_FILTER_DIPM &&
tf->nsect == SATA_DIPM)
return 1;
/* inhibit FPDMA non-zero offset */
if (dev->gtf_filter & ATA_ACPI_FILTER_FPDMA_OFFSET &&
(tf->nsect == SATA_FPDMA_OFFSET ||
tf->nsect == SATA_FPDMA_IN_ORDER))
return 1;
/* inhibit FPDMA auto activation */
if (dev->gtf_filter & ATA_ACPI_FILTER_FPDMA_AA &&
tf->nsect == SATA_FPDMA_AA)
return 1;
}
return 0;
@@ -704,7 +706,7 @@ static int ata_acpi_run_tf(struct ata_device *dev,
pptf = &ptf;
}
if (!ata_acpi_filter_tf(&tf, pptf)) {
if (!ata_acpi_filter_tf(dev, &tf, pptf)) {
rtf = tf;
err_mask = ata_exec_internal(dev, &rtf, NULL,
DMA_NONE, NULL, 0, 0);

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