xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'next' into for-linus

浏览代码 
Prepare input updates for 4.19 merge window.
这个提交包含在：
Dmitry Torokhov
2018-08-16 11:10:56 -07:00
父节点 ed9800100f 100294cee9
当前提交 13fe7056be
共修改 488 个文件，包含 6397 行新增和 2924 行删除
下载 Patch 文件 下载 Diff 文件 展开所有文件 折叠所有文件

4
drivers/input/evbug.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

16
drivers/input/evdev.c
查看文件

@@ -481,7 +481,7 @@ static int evdev_release(struct inode *inode, struct file *file)
evdev_detach_client(evdev, client);
for (i = 0; i < EV_CNT; ++i)
kfree(client->evmasks[i]);
bitmap_free(client->evmasks[i]);
kvfree(client);
@@ -925,17 +925,15 @@ static int evdev_handle_get_val(struct evdev_client *client,
{
int ret;
unsigned long *mem;
size_t len;
len = BITS_TO_LONGS(maxbit) * sizeof(unsigned long);
mem = kmalloc(len, GFP_KERNEL);
mem = bitmap_alloc(maxbit, GFP_KERNEL);
if (!mem)
return -ENOMEM;
spin_lock_irq(&dev->event_lock);
spin_lock(&client->buffer_lock);
memcpy(mem, bits, len);
bitmap_copy(mem, bits, maxbit);
spin_unlock(&dev->event_lock);
@@ -947,7 +945,7 @@ static int evdev_handle_get_val(struct evdev_client *client,
if (ret < 0)
evdev_queue_syn_dropped(client);
kfree(mem);
bitmap_free(mem);
return ret;
}
@@ -1003,13 +1001,13 @@ static int evdev_set_mask(struct evdev_client *client,
if (!cnt)
return 0;
mask = kcalloc(sizeof(unsigned long), BITS_TO_LONGS(cnt), GFP_KERNEL);
mask = bitmap_zalloc(cnt, GFP_KERNEL);
if (!mask)
return -ENOMEM;
error = bits_from_user(mask, cnt - 1, codes_size, codes, compat);
if (error < 0) {
kfree(mask);
bitmap_free(mask);
return error;
}
@@ -1018,7 +1016,7 @@ static int evdev_set_mask(struct evdev_client *client,
client->evmasks[type] = mask;
spin_unlock_irqrestore(&client->buffer_lock, flags);
kfree(oldmask);
bitmap_free(oldmask);
return 0;
}

4
drivers/input/gameport/emu10k1-gp.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <asm/io.h>

4
drivers/input/gameport/lightning.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <asm/io.h>

4
drivers/input/gameport/ns558.c
查看文件

@@ -21,10 +21,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <asm/io.h>

16
drivers/input/input.c
查看文件

@@ -480,11 +480,19 @@ EXPORT_SYMBOL(input_inject_event);
*/
void input_alloc_absinfo(struct input_dev *dev)
{
if (!dev->absinfo)
dev->absinfo = kcalloc(ABS_CNT, sizeof(*dev->absinfo),
GFP_KERNEL);
if (dev->absinfo)
return;
WARN(!dev->absinfo, "%s(): kcalloc() failed?\n", __func__);
dev->absinfo = kcalloc(ABS_CNT, sizeof(*dev->absinfo), GFP_KERNEL);
if (!dev->absinfo) {
dev_err(dev->dev.parent ?: &dev->dev,
"%s: unable to allocate memory\n", __func__);
/*
* We will handle this allocation failure in
* input_register_device() when we refuse to register input
* device with ABS bits but without absinfo.
*/
}
}
EXPORT_SYMBOL(input_alloc_absinfo);

4
drivers/input/joystick/a3d.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

4
drivers/input/joystick/adi.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>

4
drivers/input/joystick/amijoy.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/types.h>

4
drivers/input/joystick/analog.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>

4
drivers/input/joystick/cobra.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

9
drivers/input/joystick/db9.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>
@@ -263,6 +259,7 @@ static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char
db9_saturn_write_sub(port, type, 3, powered, 0);
return data[0] = 0xe3;
}
/* else: fall through */
default:
return data[0];
}
@@ -282,11 +279,14 @@ static int db9_saturn_report(unsigned char id, unsigned char data[60], struct in
switch (data[j]) {
case 0x16: /* multi controller (analog 4 axis) */
input_report_abs(dev, db9_abs[5], data[j + 6]);
/* fall through */
case 0x15: /* mission stick (analog 3 axis) */
input_report_abs(dev, db9_abs[3], data[j + 4]);
input_report_abs(dev, db9_abs[4], data[j + 5]);
/* fall through */
case 0x13: /* racing controller (analog 1 axis) */
input_report_abs(dev, db9_abs[2], data[j + 3]);
/* fall through */
case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */
case 0x02: /* digital pad (digital 2 axis + buttons) */
input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
@@ -380,6 +380,7 @@ static void db9_timer(struct timer_list *t)
input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1);
/* fall through */
case DB9_MULTI_0802:

4
drivers/input/joystick/gamecon.c
查看文件

@@ -24,10 +24,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

4
drivers/input/joystick/gf2k.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>

4
drivers/input/joystick/grip.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

4
drivers/input/joystick/guillemot.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

8
drivers/input/joystick/iforce/iforce-ff.c
查看文件

@@ -19,10 +19,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include "iforce.h"
@@ -56,7 +52,7 @@ static int make_magnitude_modifier(struct iforce* iforce,
iforce_send_packet(iforce, FF_CMD_MAGNITUDE, data);
iforce_dump_packet("magnitude: ", FF_CMD_MAGNITUDE, data);
iforce_dump_packet(iforce, "magnitude", FF_CMD_MAGNITUDE, data);
return 0;
}
@@ -178,7 +174,7 @@ static int make_condition_modifier(struct iforce* iforce,
data[9] = (100 * lsat) >> 16;
iforce_send_packet(iforce, FF_CMD_CONDITION, data);
iforce_dump_packet("condition", FF_CMD_CONDITION, data);
iforce_dump_packet(iforce, "condition", FF_CMD_CONDITION, data);
return 0;
}

30
drivers/input/joystick/iforce/iforce-main.c
查看文件

@@ -19,10 +19,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include "iforce.h"
@@ -33,21 +29,14 @@ MODULE_LICENSE("GPL");
static signed short btn_joystick[] =
{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A,
BTN_B, BTN_C, BTN_DEAD, -1 };
static signed short btn_avb_pegasus[] =
{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
static signed short btn_joystick_avb[] =
{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE,
BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_DEAD, -1 };
static signed short btn_wheel[] =
{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
static signed short btn_avb_tw[] =
{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE,
BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
static signed short btn_avb_wheel[] =
{ BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3,
BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 };
@@ -73,9 +62,9 @@ static struct iforce_device iforce_device[] = {
{ 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce },
{ 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce },
{ 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce },
{ 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_avb_pegasus, abs_avb_pegasus, ff_iforce },
{ 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_avb_wheel, abs_wheel, ff_iforce },
{ 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_avb_tw, abs_wheel, ff_iforce }, //?
{ 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_joystick_avb, abs_avb_pegasus, ff_iforce },
{ 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_wheel, abs_wheel, ff_iforce },
{ 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //?
{ 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //?
{ 0x061c, 0xc084, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce },
{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //?
@@ -360,7 +349,7 @@ int iforce_init_device(struct iforce *iforce)
for (i = 0; c[i]; i++)
if (!iforce_get_id_packet(iforce, c + i))
iforce_dump_packet("info", iforce->ecmd, iforce->edata);
iforce_dump_packet(iforce, "info", iforce->ecmd, iforce->edata);
/*
* Disable spring, enable force feedback.
@@ -388,7 +377,6 @@ int iforce_init_device(struct iforce *iforce)
for (i = 0; iforce->type->btn[i] >= 0; i++)
set_bit(iforce->type->btn[i], input_dev->keybit);
set_bit(BTN_DEAD, input_dev->keybit);
for (i = 0; iforce->type->abs[i] >= 0; i++) {

16
drivers/input/joystick/iforce/iforce-packets.c
查看文件

@@ -19,10 +19,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include "iforce.h"
@@ -33,14 +29,10 @@ static struct {
} iforce_hat_to_axis[16] = {{ 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data)
void iforce_dump_packet(struct iforce *iforce, char *msg, u16 cmd, unsigned char *data)
{
int i;
printk(KERN_DEBUG __FILE__ ": %s cmd = %04x, data = ", msg, cmd);
for (i = 0; i < LO(cmd); i++)
printk("%02x ", data[i]);
printk("\n");
dev_dbg(iforce->dev->dev.parent, "%s %s cmd = %04x, data = %*ph\n",
__func__, msg, cmd, LO(cmd), data);
}
/*
@@ -255,7 +247,7 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet)
iforce->cr.bRequest = packet[0];
iforce->ctrl->dev = iforce->usbdev;
status = usb_submit_urb(iforce->ctrl, GFP_ATOMIC);
status = usb_submit_urb(iforce->ctrl, GFP_KERNEL);
if (status) {
dev_err(&iforce->intf->dev,
"usb_submit_urb failed %d\n", status);

4
drivers/input/joystick/iforce/iforce-serio.c
查看文件

@@ -19,10 +19,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include "iforce.h"

4
drivers/input/joystick/iforce/iforce-usb.c
查看文件

@@ -19,10 +19,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include "iforce.h"

6
drivers/input/joystick/iforce/iforce.h
查看文件

@@ -19,10 +19,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>
@@ -158,7 +154,7 @@ int iforce_init_device(struct iforce *iforce);
int iforce_control_playback(struct iforce*, u16 id, unsigned int);
void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data);
int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data);
void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data) ;
void iforce_dump_packet(struct iforce *iforce, char *msg, u16 cmd, unsigned char *data);
int iforce_get_id_packet(struct iforce *iforce, char *packet);
/* iforce-ff.c */

4
drivers/input/joystick/interact.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

4
drivers/input/joystick/joydump.c
查看文件

@@ -21,10 +21,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

4
drivers/input/joystick/magellan.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

178
drivers/input/joystick/pxrc.c
查看文件

@@ -3,7 +3,6 @@
* Driver for Phoenix RC Flight Controller Adapter
*
* Copyright (C) 2018 Marcus Folkesson <marcus.folkesson@gmail.com>
*
*/
#include <linux/kernel.h>
@@ -16,31 +15,22 @@
#include <linux/mutex.h>
#include <linux/input.h>
#define PXRC_VENDOR_ID (0x1781)
#define PXRC_PRODUCT_ID (0x0898)
static const struct usb_device_id pxrc_table[] = {
{ USB_DEVICE(PXRC_VENDOR_ID, PXRC_PRODUCT_ID) },
{ }
};
MODULE_DEVICE_TABLE(usb, pxrc_table);
#define PXRC_VENDOR_ID 0x1781
#define PXRC_PRODUCT_ID 0x0898
struct pxrc {
struct input_dev *input;
struct usb_device *udev;
struct usb_interface *intf;
struct urb *urb;
struct mutex pm_mutex;
bool is_open;
__u8 epaddr;
char phys[64];
unsigned char *data;
size_t bsize;
};
static void pxrc_usb_irq(struct urb *urb)
{
struct pxrc *pxrc = urb->context;
u8 *data = urb->transfer_buffer;
int error;
switch (urb->status) {
@@ -68,15 +58,15 @@ static void pxrc_usb_irq(struct urb *urb)
}
if (urb->actual_length == 8) {
input_report_abs(pxrc->input, ABS_X, pxrc->data[0]);
input_report_abs(pxrc->input, ABS_Y, pxrc->data[2]);
input_report_abs(pxrc->input, ABS_RX, pxrc->data[3]);
input_report_abs(pxrc->input, ABS_RY, pxrc->data[4]);
input_report_abs(pxrc->input, ABS_RUDDER, pxrc->data[5]);
input_report_abs(pxrc->input, ABS_THROTTLE, pxrc->data[6]);
input_report_abs(pxrc->input, ABS_MISC, pxrc->data[7]);
input_report_abs(pxrc->input, ABS_X, data[0]);
input_report_abs(pxrc->input, ABS_Y, data[2]);
input_report_abs(pxrc->input, ABS_RX, data[3]);
input_report_abs(pxrc->input, ABS_RY, data[4]);
input_report_abs(pxrc->input, ABS_RUDDER, data[5]);
input_report_abs(pxrc->input, ABS_THROTTLE, data[6]);
input_report_abs(pxrc->input, ABS_MISC, data[7]);
input_report_key(pxrc->input, BTN_A, pxrc->data[1]);
input_report_key(pxrc->input, BTN_A, data[1]);
}
exit:
@@ -120,61 +110,73 @@ static void pxrc_close(struct input_dev *input)
mutex_unlock(&pxrc->pm_mutex);
}
static int pxrc_usb_init(struct pxrc *pxrc)
static void pxrc_free_urb(void *_pxrc)
{
struct usb_endpoint_descriptor *epirq;
unsigned int pipe;
int retval;
/* Set up the endpoint information */
/* This device only has an interrupt endpoint */
retval = usb_find_common_endpoints(pxrc->intf->cur_altsetting,
NULL, NULL, &epirq, NULL);
if (retval) {
dev_err(&pxrc->intf->dev,
"Could not find endpoint\n");
goto error;
}
pxrc->bsize = usb_endpoint_maxp(epirq);
pxrc->epaddr = epirq->bEndpointAddress;
pxrc->data = devm_kmalloc(&pxrc->intf->dev, pxrc->bsize, GFP_KERNEL);
if (!pxrc->data) {
retval = -ENOMEM;
goto error;
}
usb_set_intfdata(pxrc->intf, pxrc);
usb_make_path(pxrc->udev, pxrc->phys, sizeof(pxrc->phys));
strlcat(pxrc->phys, "/input0", sizeof(pxrc->phys));
pxrc->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pxrc->urb) {
retval = -ENOMEM;
goto error;
}
pipe = usb_rcvintpipe(pxrc->udev, pxrc->epaddr),
usb_fill_int_urb(pxrc->urb, pxrc->udev, pipe, pxrc->data, pxrc->bsize,
pxrc_usb_irq, pxrc, 1);
error:
return retval;
struct pxrc *pxrc = _pxrc;
usb_free_urb(pxrc->urb);
}
static int pxrc_input_init(struct pxrc *pxrc)
static int pxrc_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
pxrc->input = devm_input_allocate_device(&pxrc->intf->dev);
if (pxrc->input == NULL) {
dev_err(&pxrc->intf->dev, "couldn't allocate input device\n");
struct usb_device *udev = interface_to_usbdev(intf);
struct pxrc *pxrc;
struct usb_endpoint_descriptor *epirq;
size_t xfer_size;
void *xfer_buf;
int error;
/*
* Locate the endpoint information. This device only has an
* interrupt endpoint.
*/
error = usb_find_common_endpoints(intf->cur_altsetting,
NULL, NULL, &epirq, NULL);
if (error) {
dev_err(&intf->dev, "Could not find endpoint\n");
return error;
}
pxrc = devm_kzalloc(&intf->dev, sizeof(*pxrc), GFP_KERNEL);
if (!pxrc)
return -ENOMEM;
mutex_init(&pxrc->pm_mutex);
pxrc->intf = intf;
usb_set_intfdata(pxrc->intf, pxrc);
xfer_size = usb_endpoint_maxp(epirq);
xfer_buf = devm_kmalloc(&intf->dev, xfer_size, GFP_KERNEL);
if (!xfer_buf)
return -ENOMEM;
pxrc->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pxrc->urb)
return -ENOMEM;
error = devm_add_action_or_reset(&intf->dev, pxrc_free_urb, pxrc);
if (error)
return error;
usb_fill_int_urb(pxrc->urb, udev,
usb_rcvintpipe(udev, epirq->bEndpointAddress),
xfer_buf, xfer_size, pxrc_usb_irq, pxrc, 1);
pxrc->input = devm_input_allocate_device(&intf->dev);
if (!pxrc->input) {
dev_err(&intf->dev, "couldn't allocate input device\n");
return -ENOMEM;
}
pxrc->input->name = "PXRC Flight Controller Adapter";
usb_make_path(udev, pxrc->phys, sizeof(pxrc->phys));
strlcat(pxrc->phys, "/input0", sizeof(pxrc->phys));
pxrc->input->phys = pxrc->phys;
usb_to_input_id(pxrc->udev, &pxrc->input->id);
usb_to_input_id(udev, &pxrc->input->id);
pxrc->input->open = pxrc_open;
pxrc->input->close = pxrc_close;
@@ -190,46 +192,16 @@ static int pxrc_input_init(struct pxrc *pxrc)
input_set_drvdata(pxrc->input, pxrc);
return input_register_device(pxrc->input);
}
static int pxrc_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct pxrc *pxrc;
int retval;
pxrc = devm_kzalloc(&intf->dev, sizeof(*pxrc), GFP_KERNEL);
if (!pxrc)
return -ENOMEM;
mutex_init(&pxrc->pm_mutex);
pxrc->udev = usb_get_dev(interface_to_usbdev(intf));
pxrc->intf = intf;
retval = pxrc_usb_init(pxrc);
if (retval)
goto error;
retval = pxrc_input_init(pxrc);
if (retval)
goto err_free_urb;
error = input_register_device(pxrc->input);
if (error)
return error;
return 0;
err_free_urb:
usb_free_urb(pxrc->urb);
error:
return retval;
}
static void pxrc_disconnect(struct usb_interface *intf)
{
struct pxrc *pxrc = usb_get_intfdata(intf);
usb_free_urb(pxrc->urb);
usb_set_intfdata(intf, NULL);
/* All driver resources are devm-managed. */
}
static int pxrc_suspend(struct usb_interface *intf, pm_message_t message)
@@ -284,6 +256,12 @@ static int pxrc_reset_resume(struct usb_interface *intf)
return pxrc_resume(intf);
}
static const struct usb_device_id pxrc_table[] = {
{ USB_DEVICE(PXRC_VENDOR_ID, PXRC_PRODUCT_ID) },
{ }
};
MODULE_DEVICE_TABLE(usb, pxrc_table);
static struct usb_driver pxrc_driver = {
.name = "pxrc",
.probe = pxrc_probe,

4
drivers/input/joystick/sidewinder.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>

4
drivers/input/joystick/spaceball.c
查看文件

@@ -24,10 +24,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

4
drivers/input/joystick/spaceorb.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

4
drivers/input/joystick/stinger.c
查看文件

@@ -21,10 +21,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

4
drivers/input/joystick/tmdc.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>

4
drivers/input/joystick/turbografx.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

4
drivers/input/joystick/warrior.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/kernel.h>

1
drivers/input/keyboard/adp5589-keys.c
查看文件

@@ -885,6 +885,7 @@ static int adp5589_probe(struct i2c_client *client,
switch (id->driver_data) {
case ADP5585_02:
kpad->support_row5 = true;
/* fall through */
case ADP5585_01:
kpad->is_adp5585 = true;
kpad->var = &const_adp5585;

4
drivers/input/keyboard/amikbd.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

4
drivers/input/keyboard/atakbd.c
查看文件

@@ -34,10 +34,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

69
drivers/input/keyboard/cros_ec_keyb.c
查看文件

@@ -1,25 +1,15 @@
/*
* ChromeOS EC keyboard driver
*
* Copyright (C) 2012 Google, Inc
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that 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.
*
* This driver uses the Chrome OS EC byte-level message-based protocol for
* communicating the keyboard state (which keys are pressed) from a keyboard EC
* to the AP over some bus (such as i2c, lpc, spi). The EC does debouncing,
* but everything else (including deghosting) is done here. The main
* motivation for this is to keep the EC firmware as simple as possible, since
* it cannot be easily upgraded and EC flash/IRAM space is relatively
* expensive.
*/
// SPDX-License-Identifier: GPL-2.0
// ChromeOS EC keyboard driver
//
// Copyright (C) 2012 Google, Inc.
//
// This driver uses the ChromeOS EC byte-level message-based protocol for
// communicating the keyboard state (which keys are pressed) from a keyboard EC
// to the AP over some bus (such as i2c, lpc, spi). The EC does debouncing,
// but everything else (including deghosting) is done here. The main
// motivation for this is to keep the EC firmware as simple as possible, since
// it cannot be easily upgraded and EC flash/IRAM space is relatively
// expensive.
#include <linux/module.h>
#include <linux/bitops.h>
@@ -170,9 +160,6 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev,
int col, row;
int new_state;
int old_state;
int num_cols;
num_cols = len;
if (ckdev->ghost_filter && cros_ec_keyb_has_ghosting(ckdev, kb_state)) {
/*
@@ -242,19 +229,17 @@ static int cros_ec_keyb_work(struct notifier_block *nb,
u32 val;
unsigned int ev_type;
/*
* If not wake enabled, discard key state changes during
* suspend. Switches will be re-checked in
* cros_ec_keyb_resume() to be sure nothing is lost.
*/
if (queued_during_suspend && !device_may_wakeup(ckdev->dev))
return NOTIFY_OK;
switch (ckdev->ec->event_data.event_type) {
case EC_MKBP_EVENT_KEY_MATRIX:
if (device_may_wakeup(ckdev->dev)) {
pm_wakeup_event(ckdev->dev, 0);
} else {
/*
* If keyboard is not wake enabled, discard key state
* changes during suspend. Switches will be re-checked
* in cros_ec_keyb_resume() to be sure nothing is lost.
*/
if (queued_during_suspend)
return NOTIFY_OK;
}
pm_wakeup_event(ckdev->dev, 0);
if (ckdev->ec->event_size != ckdev->cols) {
dev_err(ckdev->dev,
@@ -268,10 +253,7 @@ static int cros_ec_keyb_work(struct notifier_block *nb,
break;
case EC_MKBP_EVENT_SYSRQ:
if (device_may_wakeup(ckdev->dev))
pm_wakeup_event(ckdev->dev, 0);
else if (queued_during_suspend)
return NOTIFY_OK;
pm_wakeup_event(ckdev->dev, 0);
val = get_unaligned_le32(&ckdev->ec->event_data.data.sysrq);
dev_dbg(ckdev->dev, "sysrq code from EC: %#x\n", val);
@@ -280,10 +262,7 @@ static int cros_ec_keyb_work(struct notifier_block *nb,
case EC_MKBP_EVENT_BUTTON:
case EC_MKBP_EVENT_SWITCH:
if (device_may_wakeup(ckdev->dev))
pm_wakeup_event(ckdev->dev, 0);
else if (queued_during_suspend)
return NOTIFY_OK;
pm_wakeup_event(ckdev->dev, 0);
if (ckdev->ec->event_data.event_type == EC_MKBP_EVENT_BUTTON) {
val = get_unaligned_le32(
@@ -683,6 +662,6 @@ static struct platform_driver cros_ec_keyb_driver = {
module_platform_driver(cros_ec_keyb_driver);
MODULE_LICENSE("GPL");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("ChromeOS EC keyboard driver");
MODULE_ALIAS("platform:cros-ec-keyb");

8
drivers/input/keyboard/gpio_keys.c
查看文件

@@ -196,7 +196,7 @@ static ssize_t gpio_keys_attr_show_helper(struct gpio_keys_drvdata *ddata,
ssize_t ret;
int i;
bits = kcalloc(BITS_TO_LONGS(n_events), sizeof(*bits), GFP_KERNEL);
bits = bitmap_zalloc(n_events, GFP_KERNEL);
if (!bits)
return -ENOMEM;
@@ -216,7 +216,7 @@ static ssize_t gpio_keys_attr_show_helper(struct gpio_keys_drvdata *ddata,
buf[ret++] = '\n';
buf[ret] = '\0';
kfree(bits);
bitmap_free(bits);
return ret;
}
@@ -240,7 +240,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
ssize_t error;
int i;
bits = kcalloc(BITS_TO_LONGS(n_events), sizeof(*bits), GFP_KERNEL);
bits = bitmap_zalloc(n_events, GFP_KERNEL);
if (!bits)
return -ENOMEM;
@@ -284,7 +284,7 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
mutex_unlock(&ddata->disable_lock);
out:
kfree(bits);
bitmap_free(bits);
return error;
}

12
drivers/input/keyboard/imx_keypad.c
查看文件

@@ -1,11 +1,7 @@
/*
* Driver for the IMX keypad port.
* Copyright (C) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
// SPDX-License-Identifier: GPL-2.0
//
// Driver for the IMX keypad port.
// Copyright (C) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
#include <linux/clk.h>
#include <linux/delay.h>

4
drivers/input/keyboard/newtonkbd.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <j.cormack@doc.ic.ac.uk>, or by paper mail:
* Justin Cormack, 68 Dartmouth Park Road, London NW5 1SN, UK.
*/
#include <linux/slab.h>

15
drivers/input/keyboard/snvs_pwrkey.c
查看文件

@@ -1,14 +1,7 @@
/*
* Driver for the IMX SNVS ON/OFF Power Key
* Copyright (C) 2015 Freescale Semiconductor, Inc. All Rights Reserved.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
// SPDX-License-Identifier: GPL-2.0+
//
// Driver for the IMX SNVS ON/OFF Power Key
// Copyright (C) 2015 Freescale Semiconductor, Inc. All Rights Reserved.
#include <linux/device.h>
#include <linux/err.h>

4
drivers/input/keyboard/stowaway.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <marek.vasut@gmail.com>, or by paper mail:
* Marek Vasut, Liskovecka 559, Frydek-Mistek, 738 01 Czech Republic
*/
#include <linux/slab.h>

4
drivers/input/keyboard/sunkbd.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>

4
drivers/input/keyboard/xtkbd.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/slab.h>

2
drivers/input/misc/keyspan_remote.c
查看文件

@@ -466,7 +466,7 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic
remote->in_endpoint = endpoint;
remote->toggle = -1; /* Set to -1 so we will always not match the toggle from the first remote message. */
remote->in_buffer = usb_alloc_coherent(udev, RECV_SIZE, GFP_ATOMIC, &remote->in_dma);
remote->in_buffer = usb_alloc_coherent(udev, RECV_SIZE, GFP_KERNEL, &remote->in_dma);
if (!remote->in_buffer) {
error = -ENOMEM;
goto fail1;

70
drivers/input/misc/pm8941-pwrkey.c
查看文件

@@ -20,6 +20,7 @@
#include <linux/log2.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/reboot.h>
#include <linux/regmap.h>
@@ -28,6 +29,7 @@
#define PON_RT_STS 0x10
#define PON_KPDPWR_N_SET BIT(0)
#define PON_RESIN_N_SET BIT(1)
#define PON_PS_HOLD_RST_CTL 0x5a
#define PON_PS_HOLD_RST_CTL2 0x5b
@@ -38,10 +40,15 @@
#define PON_PULL_CTL 0x70
#define PON_KPDPWR_PULL_UP BIT(1)
#define PON_RESIN_PULL_UP BIT(0)
#define PON_DBC_CTL 0x71
#define PON_DBC_DELAY_MASK 0x7
struct pm8941_data {
unsigned int pull_up_bit;
unsigned int status_bit;
};
struct pm8941_pwrkey {
struct device *dev;
@@ -52,6 +59,9 @@ struct pm8941_pwrkey {
unsigned int revision;
struct notifier_block reboot_notifier;
u32 code;
const struct pm8941_data *data;
};
static int pm8941_reboot_notify(struct notifier_block *nb,
@@ -124,7 +134,8 @@ static irqreturn_t pm8941_pwrkey_irq(int irq, void *_data)
if (error)
return IRQ_HANDLED;
input_report_key(pwrkey->input, KEY_POWER, !!(sts & PON_KPDPWR_N_SET));
input_report_key(pwrkey->input, pwrkey->code,
sts & pwrkey->data->status_bit);
input_sync(pwrkey->input);
return IRQ_HANDLED;
@@ -157,6 +168,7 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev)
{
struct pm8941_pwrkey *pwrkey;
bool pull_up;
struct device *parent;
u32 req_delay;
int error;
@@ -175,12 +187,30 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev)
return -ENOMEM;
pwrkey->dev = &pdev->dev;
pwrkey->data = of_device_get_match_data(&pdev->dev);
pwrkey->regmap = dev_get_regmap(pdev->dev.parent, NULL);
parent = pdev->dev.parent;
pwrkey->regmap = dev_get_regmap(parent, NULL);
if (!pwrkey->regmap) {
dev_err(&pdev->dev, "failed to locate regmap\n");
return -ENODEV;
/*
* We failed to get regmap for parent. Let's see if we are
* a child of pon node and read regmap and reg from its
* parent.
*/
pwrkey->regmap = dev_get_regmap(parent->parent, NULL);
if (!pwrkey->regmap) {
dev_err(&pdev->dev, "failed to locate regmap\n");
return -ENODEV;
}
error = of_property_read_u32(parent->of_node,
"reg", &pwrkey->baseaddr);
} else {
error = of_property_read_u32(pdev->dev.of_node, "reg",
&pwrkey->baseaddr);
}
if (error)
return error;
pwrkey->irq = platform_get_irq(pdev, 0);
if (pwrkey->irq < 0) {
@@ -188,11 +218,6 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev)
return pwrkey->irq;
}
error = of_property_read_u32(pdev->dev.of_node, "reg",
&pwrkey->baseaddr);
if (error)
return error;
error = regmap_read(pwrkey->regmap, pwrkey->baseaddr + PON_REV2,
&pwrkey->revision);
if (error) {
@@ -200,13 +225,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev)
return error;
}
error = of_property_read_u32(pdev->dev.of_node, "linux,code",
&pwrkey->code);
if (error) {
dev_dbg(&pdev->dev,
"no linux,code assuming power (%d)\n", error);
pwrkey->code = KEY_POWER;
}
pwrkey->input = devm_input_allocate_device(&pdev->dev);
if (!pwrkey->input) {
dev_dbg(&pdev->dev, "unable to allocate input device\n");
return -ENOMEM;
}
input_set_capability(pwrkey->input, EV_KEY, KEY_POWER);
input_set_capability(pwrkey->input, EV_KEY, pwrkey->code);
pwrkey->input->name = "pm8941_pwrkey";
pwrkey->input->phys = "pm8941_pwrkey/input0";
@@ -225,8 +258,8 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev)
error = regmap_update_bits(pwrkey->regmap,
pwrkey->baseaddr + PON_PULL_CTL,
PON_KPDPWR_PULL_UP,
pull_up ? PON_KPDPWR_PULL_UP : 0);
pwrkey->data->pull_up_bit,
pull_up ? pwrkey->data->pull_up_bit : 0);
if (error) {
dev_err(&pdev->dev, "failed to set pull: %d\n", error);
return error;
@@ -271,8 +304,19 @@ static int pm8941_pwrkey_remove(struct platform_device *pdev)
return 0;
}
static const struct pm8941_data pwrkey_data = {
.pull_up_bit = PON_KPDPWR_PULL_UP,
.status_bit = PON_KPDPWR_N_SET,
};
static const struct pm8941_data resin_data = {
.pull_up_bit = PON_RESIN_PULL_UP,
.status_bit = PON_RESIN_N_SET,
};
static const struct of_device_id pm8941_pwr_key_id_table[] = {
{ .compatible = "qcom,pm8941-pwrkey" },
{ .compatible = "qcom,pm8941-pwrkey", .data = &pwrkey_data },
{ .compatible = "qcom,pm8941-resin", .data = &resin_data },
{ }
};
MODULE_DEVICE_TABLE(of, pm8941_pwr_key_id_table);

2
drivers/input/misc/powermate.c
查看文件

@@ -277,7 +277,7 @@ static int powermate_input_event(struct input_dev *dev, unsigned int type, unsig
static int powermate_alloc_buffers(struct usb_device *udev, struct powermate_device *pm)
{
pm->data = usb_alloc_coherent(udev, POWERMATE_PAYLOAD_SIZE_MAX,
GFP_ATOMIC, &pm->data_dma);
GFP_KERNEL, &pm->data_dma);
if (!pm->data)
return -1;

181
drivers/input/misc/xen-kbdfront.c
查看文件

@@ -63,6 +63,9 @@ static void xenkbd_disconnect_backend(struct xenkbd_info *);
static void xenkbd_handle_motion_event(struct xenkbd_info *info,
struct xenkbd_motion *motion)
{
if (unlikely(!info->ptr))
return;
input_report_rel(info->ptr, REL_X, motion->rel_x);
input_report_rel(info->ptr, REL_Y, motion->rel_y);
if (motion->rel_z)
@@ -73,6 +76,9 @@ static void xenkbd_handle_motion_event(struct xenkbd_info *info,
static void xenkbd_handle_position_event(struct xenkbd_info *info,
struct xenkbd_position *pos)
{
if (unlikely(!info->ptr))
return;
input_report_abs(info->ptr, ABS_X, pos->abs_x);
input_report_abs(info->ptr, ABS_Y, pos->abs_y);
if (pos->rel_z)
@@ -97,6 +103,9 @@ static void xenkbd_handle_key_event(struct xenkbd_info *info,
return;
}
if (unlikely(!dev))
return;
input_event(dev, EV_KEY, key->keycode, value);
input_sync(dev);
}
@@ -192,7 +201,7 @@ static int xenkbd_probe(struct xenbus_device *dev,
const struct xenbus_device_id *id)
{
int ret, i;
unsigned int abs, touch;
bool with_mtouch, with_kbd, with_ptr;
struct xenkbd_info *info;
struct input_dev *kbd, *ptr, *mtouch;
@@ -211,106 +220,127 @@ static int xenkbd_probe(struct xenbus_device *dev,
if (!info->page)
goto error_nomem;
/* Set input abs params to match backend screen res */
abs = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_FEAT_ABS_POINTER, 0);
ptr_size[KPARAM_X] = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_WIDTH,
ptr_size[KPARAM_X]);
ptr_size[KPARAM_Y] = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_HEIGHT,
ptr_size[KPARAM_Y]);
if (abs) {
ret = xenbus_write(XBT_NIL, dev->nodename,
XENKBD_FIELD_REQ_ABS_POINTER, "1");
if (ret) {
pr_warn("xenkbd: can't request abs-pointer\n");
abs = 0;
}
}
/*
* The below are reverse logic, e.g. if the feature is set, then
* do not expose the corresponding virtual device.
*/
with_kbd = !xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_FEAT_DSBL_KEYBRD, 0);
touch = xenbus_read_unsigned(dev->nodename,
XENKBD_FIELD_FEAT_MTOUCH, 0);
if (touch) {
with_ptr = !xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_FEAT_DSBL_POINTER, 0);
/* Direct logic: if set, then create multi-touch device. */
with_mtouch = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_FEAT_MTOUCH, 0);
if (with_mtouch) {
ret = xenbus_write(XBT_NIL, dev->nodename,
XENKBD_FIELD_REQ_MTOUCH, "1");
if (ret) {
pr_warn("xenkbd: can't request multi-touch");
touch = 0;
with_mtouch = 0;
}
}
/* keyboard */
kbd = input_allocate_device();
if (!kbd)
goto error_nomem;
kbd->name = "Xen Virtual Keyboard";
kbd->phys = info->phys;
kbd->id.bustype = BUS_PCI;
kbd->id.vendor = 0x5853;
kbd->id.product = 0xffff;
if (with_kbd) {
kbd = input_allocate_device();
if (!kbd)
goto error_nomem;
kbd->name = "Xen Virtual Keyboard";
kbd->phys = info->phys;
kbd->id.bustype = BUS_PCI;
kbd->id.vendor = 0x5853;
kbd->id.product = 0xffff;
__set_bit(EV_KEY, kbd->evbit);
for (i = KEY_ESC; i < KEY_UNKNOWN; i++)
__set_bit(i, kbd->keybit);
for (i = KEY_OK; i < KEY_MAX; i++)
__set_bit(i, kbd->keybit);
__set_bit(EV_KEY, kbd->evbit);
for (i = KEY_ESC; i < KEY_UNKNOWN; i++)
__set_bit(i, kbd->keybit);
for (i = KEY_OK; i < KEY_MAX; i++)
__set_bit(i, kbd->keybit);
ret = input_register_device(kbd);
if (ret) {
input_free_device(kbd);
xenbus_dev_fatal(dev, ret, "input_register_device(kbd)");
goto error;
ret = input_register_device(kbd);
if (ret) {
input_free_device(kbd);
xenbus_dev_fatal(dev, ret,
"input_register_device(kbd)");
goto error;
}
info->kbd = kbd;
}
info->kbd = kbd;
/* pointing device */
ptr = input_allocate_device();
if (!ptr)
goto error_nomem;
ptr->name = "Xen Virtual Pointer";
ptr->phys = info->phys;
ptr->id.bustype = BUS_PCI;
ptr->id.vendor = 0x5853;
ptr->id.product = 0xfffe;
if (with_ptr) {
unsigned int abs;
if (abs) {
__set_bit(EV_ABS, ptr->evbit);
input_set_abs_params(ptr, ABS_X, 0, ptr_size[KPARAM_X], 0, 0);
input_set_abs_params(ptr, ABS_Y, 0, ptr_size[KPARAM_Y], 0, 0);
} else {
input_set_capability(ptr, EV_REL, REL_X);
input_set_capability(ptr, EV_REL, REL_Y);
/* Set input abs params to match backend screen res */
abs = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_FEAT_ABS_POINTER, 0);
ptr_size[KPARAM_X] = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_WIDTH,
ptr_size[KPARAM_X]);
ptr_size[KPARAM_Y] = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_HEIGHT,
ptr_size[KPARAM_Y]);
if (abs) {
ret = xenbus_write(XBT_NIL, dev->nodename,
XENKBD_FIELD_REQ_ABS_POINTER, "1");
if (ret) {
pr_warn("xenkbd: can't request abs-pointer\n");
abs = 0;
}
}
ptr = input_allocate_device();
if (!ptr)
goto error_nomem;
ptr->name = "Xen Virtual Pointer";
ptr->phys = info->phys;
ptr->id.bustype = BUS_PCI;
ptr->id.vendor = 0x5853;
ptr->id.product = 0xfffe;
if (abs) {
__set_bit(EV_ABS, ptr->evbit);
input_set_abs_params(ptr, ABS_X, 0,
ptr_size[KPARAM_X], 0, 0);
input_set_abs_params(ptr, ABS_Y, 0,
ptr_size[KPARAM_Y], 0, 0);
} else {
input_set_capability(ptr, EV_REL, REL_X);
input_set_capability(ptr, EV_REL, REL_Y);
}
input_set_capability(ptr, EV_REL, REL_WHEEL);
__set_bit(EV_KEY, ptr->evbit);
for (i = BTN_LEFT; i <= BTN_TASK; i++)
__set_bit(i, ptr->keybit);
ret = input_register_device(ptr);
if (ret) {
input_free_device(ptr);
xenbus_dev_fatal(dev, ret,
"input_register_device(ptr)");
goto error;
}
info->ptr = ptr;
}
input_set_capability(ptr, EV_REL, REL_WHEEL);
__set_bit(EV_KEY, ptr->evbit);
for (i = BTN_LEFT; i <= BTN_TASK; i++)
__set_bit(i, ptr->keybit);
ret = input_register_device(ptr);
if (ret) {
input_free_device(ptr);
xenbus_dev_fatal(dev, ret, "input_register_device(ptr)");
goto error;
}
info->ptr = ptr;
/* multi-touch device */
if (touch) {
if (with_mtouch) {
int num_cont, width, height;
mtouch = input_allocate_device();
if (!mtouch)
goto error_nomem;
num_cont = xenbus_read_unsigned(info->xbdev->nodename,
num_cont = xenbus_read_unsigned(info->xbdev->otherend,
XENKBD_FIELD_MT_NUM_CONTACTS,
1);
width = xenbus_read_unsigned(info->xbdev->nodename,
width = xenbus_read_unsigned(info->xbdev->otherend,
XENKBD_FIELD_MT_WIDTH,
XENFB_WIDTH);
height = xenbus_read_unsigned(info->xbdev->nodename,
height = xenbus_read_unsigned(info->xbdev->otherend,
XENKBD_FIELD_MT_HEIGHT,
XENFB_HEIGHT);
@@ -346,6 +376,11 @@ static int xenkbd_probe(struct xenbus_device *dev,
info->mtouch = mtouch;
}
if (!(with_kbd || with_ptr || with_mtouch)) {
ret = -ENXIO;
goto error;
}
ret = xenkbd_connect_backend(dev, info);
if (ret < 0)
goto error;

4
drivers/input/misc/yealink.c
查看文件

@@ -894,12 +894,12 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
/* allocate usb buffers */
yld->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN,
GFP_ATOMIC, &yld->irq_dma);
GFP_KERNEL, &yld->irq_dma);
if (yld->irq_data == NULL)
return usb_cleanup(yld, -ENOMEM);
yld->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN,
GFP_ATOMIC, &yld->ctl_dma);
GFP_KERNEL, &yld->ctl_dma);
if (!yld->ctl_data)
return usb_cleanup(yld, -ENOMEM);

7
drivers/input/mouse/appletouch.c
查看文件

@@ -472,6 +472,7 @@ static int atp_status_check(struct urb *urb)
dev->info->datalen, dev->urb->actual_length);
dev->overflow_warned = true;
}
/* fall through */
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
@@ -810,7 +811,7 @@ static int atp_open(struct input_dev *input)
{
struct atp *dev = input_get_drvdata(input);
if (usb_submit_urb(dev->urb, GFP_ATOMIC))
if (usb_submit_urb(dev->urb, GFP_KERNEL))
return -EIO;
dev->open = true;
@@ -976,7 +977,7 @@ static int atp_recover(struct atp *dev)
if (error)
return error;
if (dev->open && usb_submit_urb(dev->urb, GFP_ATOMIC))
if (dev->open && usb_submit_urb(dev->urb, GFP_KERNEL))
return -EIO;
return 0;
@@ -994,7 +995,7 @@ static int atp_resume(struct usb_interface *iface)
{
struct atp *dev = usb_get_intfdata(iface);
if (dev->open && usb_submit_urb(dev->urb, GFP_ATOMIC))
if (dev->open && usb_submit_urb(dev->urb, GFP_KERNEL))
return -EIO;
return 0;

1
drivers/input/mouse/cyapa_gen5.c
查看文件

@@ -2554,6 +2554,7 @@ static int cyapa_gen5_do_operational_check(struct cyapa *cyapa)
}
cyapa->state = CYAPA_STATE_GEN5_APP;
/* fall through */
case CYAPA_STATE_GEN5_APP:
/*

1
drivers/input/mouse/cyapa_gen6.c
查看文件

@@ -680,6 +680,7 @@ static int cyapa_gen6_operational_check(struct cyapa *cyapa)
}
cyapa->state = CYAPA_STATE_GEN6_APP;
/* fall through */
case CYAPA_STATE_GEN6_APP:
/*

2
drivers/input/mouse/elantech.c
查看文件

@@ -340,7 +340,7 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
*/
if (packet[3] & 0x80)
fingers = 4;
/* pass through... */
/* fall through */
case 1:
/*
* byte 1: . . . . x11 x10 x9 x8

4
drivers/input/mouse/inport.c
查看文件

@@ -26,10 +26,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

4
drivers/input/mouse/logibm.c
查看文件

@@ -27,10 +27,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

4
drivers/input/mouse/pc110pad.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

8
drivers/input/mouse/sermouse.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>
@@ -143,7 +139,8 @@ static void sermouse_process_ms(struct sermouse *sermouse, signed char data)
switch (sermouse->type) {
case SERIO_MS:
sermouse->type = SERIO_MP;
sermouse->type = SERIO_MP;
/* fall through */
case SERIO_MP:
if ((data >> 2) & 3) break; /* M++ Wireless Extension packet. */
@@ -154,6 +151,7 @@ static void sermouse_process_ms(struct sermouse *sermouse, signed char data)
case SERIO_MZP:
case SERIO_MZPP:
input_report_key(dev, BTN_SIDE, (data >> 5) & 1);
/* fall through */
case SERIO_MZ:
input_report_key(dev, BTN_MIDDLE, (data >> 4) & 1);

4
drivers/input/serio/ct82c710.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/delay.h>

3
drivers/input/serio/i8042.c
查看文件

@@ -573,6 +573,9 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
port = &i8042_ports[port_no];
serio = port->exists ? port->serio : NULL;
if (irq && serio)
pm_wakeup_event(&serio->dev, 0);
filter_dbg(port->driver_bound, data, "<- i8042 (interrupt, %d, %d%s%s)\n",
port_no, irq,
dfl & SERIO_PARITY ? ", bad parity" : "",

4
drivers/input/serio/q40kbd.c
查看文件

@@ -23,10 +23,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

4
drivers/input/serio/rpckbd.c
查看文件

@@ -21,10 +21,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/module.h>

4
drivers/input/serio/serio.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

2
drivers/input/tablet/aiptek.c
查看文件

@@ -1712,7 +1712,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
}
aiptek->data = usb_alloc_coherent(usbdev, AIPTEK_PACKET_LENGTH,
GFP_ATOMIC, &aiptek->data_dma);
GFP_KERNEL, &aiptek->data_dma);
if (!aiptek->data) {
dev_warn(&intf->dev, "cannot allocate usb buffer\n");
goto fail1;

12
drivers/input/touchscreen/Kconfig
查看文件

@@ -151,6 +151,18 @@ config TOUCHSCREEN_BU21013
To compile this driver as a module, choose M here: the
module will be called bu21013_ts.
config TOUCHSCREEN_BU21029
tristate "Rohm BU21029 based touch panel controllers"
depends on I2C
help
Say Y here if you have a Rohm BU21029 touchscreen controller
connected to your system.
If unsure, say N.
To compile this driver as a module, choose M here: the
module will be called bu21029_ts.
config TOUCHSCREEN_CHIPONE_ICN8318
tristate "chipone icn8318 touchscreen controller"
depends on GPIOLIB || COMPILE_TEST

1
drivers/input/touchscreen/Makefile
查看文件

@@ -18,6 +18,7 @@ obj-$(CONFIG_TOUCHSCREEN_AR1021_I2C) += ar1021_i2c.o
obj-$(CONFIG_TOUCHSCREEN_ATMEL_MXT) += atmel_mxt_ts.o
obj-$(CONFIG_TOUCHSCREEN_AUO_PIXCIR) += auo-pixcir-ts.o
obj-$(CONFIG_TOUCHSCREEN_BU21013) += bu21013_ts.o
obj-$(CONFIG_TOUCHSCREEN_BU21029) += bu21029_ts.o
obj-$(CONFIG_TOUCHSCREEN_CHIPONE_ICN8318) += chipone_icn8318.o
obj-$(CONFIG_TOUCHSCREEN_CHIPONE_ICN8505) += chipone_icn8505.o
obj-$(CONFIG_TOUCHSCREEN_CY8CTMG110) += cy8ctmg110_ts.o

225
drivers/input/touchscreen/atmel_mxt_ts.c
查看文件

@@ -75,6 +75,7 @@
#define MXT_SPT_DIGITIZER_T43 43
#define MXT_SPT_MESSAGECOUNT_T44 44
#define MXT_SPT_CTECONFIG_T46 46
#define MXT_SPT_DYNAMICCONFIGURATIONCONTAINER_T71 71
#define MXT_TOUCH_MULTITOUCHSCREEN_T100 100
/* MXT_GEN_MESSAGE_T5 object */
@@ -88,12 +89,12 @@
#define MXT_COMMAND_DIAGNOSTIC 5
/* Define for T6 status byte */
#define MXT_T6_STATUS_RESET (1 << 7)
#define MXT_T6_STATUS_OFL (1 << 6)
#define MXT_T6_STATUS_SIGERR (1 << 5)
#define MXT_T6_STATUS_CAL (1 << 4)
#define MXT_T6_STATUS_CFGERR (1 << 3)
#define MXT_T6_STATUS_COMSERR (1 << 2)
#define MXT_T6_STATUS_RESET BIT(7)
#define MXT_T6_STATUS_OFL BIT(6)
#define MXT_T6_STATUS_SIGERR BIT(5)
#define MXT_T6_STATUS_CAL BIT(4)
#define MXT_T6_STATUS_CFGERR BIT(3)
#define MXT_T6_STATUS_COMSERR BIT(2)
/* MXT_GEN_POWER_T7 field */
struct t7_config {
@@ -112,14 +113,14 @@ struct t7_config {
#define MXT_T9_RANGE 18
/* MXT_TOUCH_MULTI_T9 status */
#define MXT_T9_UNGRIP (1 << 0)
#define MXT_T9_SUPPRESS (1 << 1)
#define MXT_T9_AMP (1 << 2)
#define MXT_T9_VECTOR (1 << 3)
#define MXT_T9_MOVE (1 << 4)
#define MXT_T9_RELEASE (1 << 5)
#define MXT_T9_PRESS (1 << 6)
#define MXT_T9_DETECT (1 << 7)
#define MXT_T9_UNGRIP BIT(0)
#define MXT_T9_SUPPRESS BIT(1)
#define MXT_T9_AMP BIT(2)
#define MXT_T9_VECTOR BIT(3)
#define MXT_T9_MOVE BIT(4)
#define MXT_T9_RELEASE BIT(5)
#define MXT_T9_PRESS BIT(6)
#define MXT_T9_DETECT BIT(7)
struct t9_range {
__le16 x;
@@ -127,9 +128,9 @@ struct t9_range {
} __packed;
/* MXT_TOUCH_MULTI_T9 orient */
#define MXT_T9_ORIENT_SWITCH (1 << 0)
#define MXT_T9_ORIENT_INVERTX (1 << 1)
#define MXT_T9_ORIENT_INVERTY (1 << 2)
#define MXT_T9_ORIENT_SWITCH BIT(0)
#define MXT_T9_ORIENT_INVERTX BIT(1)
#define MXT_T9_ORIENT_INVERTY BIT(2)
/* MXT_SPT_COMMSCONFIG_T18 */
#define MXT_COMMS_CTRL 0
@@ -214,7 +215,7 @@ enum t100_type {
#define MXT_FRAME_CRC_PASS 0x04
#define MXT_APP_CRC_FAIL 0x40 /* valid 7 8 bit only */
#define MXT_BOOT_STATUS_MASK 0x3f
#define MXT_BOOT_EXTENDED_ID (1 << 5)
#define MXT_BOOT_EXTENDED_ID BIT(5)
#define MXT_BOOT_ID_MASK 0x1f
/* Touchscreen absolute values */
@@ -276,6 +277,19 @@ enum mxt_suspend_mode {
MXT_SUSPEND_T9_CTRL = 1,
};
/* Config update context */
struct mxt_cfg {
u8 *raw;
size_t raw_size;
off_t raw_pos;
u8 *mem;
size_t mem_size;
int start_ofs;
struct mxt_info info;
};
/* Each client has this additional data */
struct mxt_data {
struct i2c_client *client;
@@ -317,6 +331,7 @@ struct mxt_data {
u8 T6_reportid;
u16 T6_address;
u16 T7_address;
u16 T71_address;
u8 T9_reportid_min;
u8 T9_reportid_max;
u8 T19_reportid;
@@ -382,6 +397,7 @@ static bool mxt_object_readable(unsigned int type)
case MXT_SPT_USERDATA_T38:
case MXT_SPT_DIGITIZER_T43:
case MXT_SPT_CTECONFIG_T46:
case MXT_SPT_DYNAMICCONFIGURATIONCONTAINER_T71:
return true;
default:
return false;
@@ -712,13 +728,13 @@ static void mxt_proc_t6_messages(struct mxt_data *data, u8 *msg)
u8 status = msg[1];
u32 crc = msg[2] | (msg[3] << 8) | (msg[4] << 16);
complete(&data->crc_completion);
if (crc != data->config_crc) {
data->config_crc = crc;
dev_dbg(dev, "T6 Config Checksum: 0x%06X\n", crc);
}
complete(&data->crc_completion);
/* Detect reset */
if (status & MXT_T6_STATUS_RESET)
complete(&data->reset_completion);
@@ -827,6 +843,10 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message)
mxt_input_sync(data);
}
/* if active, pressure must be non-zero */
if (!amplitude)
amplitude = MXT_PRESSURE_DEFAULT;
/* Touch active */
input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, 1);
input_report_abs(input_dev, ABS_MT_POSITION_X, x);
@@ -1279,12 +1299,7 @@ static u32 mxt_calculate_crc(u8 *base, off_t start_off, off_t end_off)
return crc;
}
static int mxt_prepare_cfg_mem(struct mxt_data *data,
const struct firmware *cfg,
unsigned int data_pos,
unsigned int cfg_start_ofs,
u8 *config_mem,
size_t config_mem_size)
static int mxt_prepare_cfg_mem(struct mxt_data *data, struct mxt_cfg *cfg)
{
struct device *dev = &data->client->dev;
struct mxt_object *object;
@@ -1295,9 +1310,9 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data,
u16 reg;
u8 val;
while (data_pos < cfg->size) {
while (cfg->raw_pos < cfg->raw_size) {
/* Read type, instance, length */
ret = sscanf(cfg->data + data_pos, "%x %x %x%n",
ret = sscanf(cfg->raw + cfg->raw_pos, "%x %x %x%n",
&type, &instance, &size, &offset);
if (ret == 0) {
/* EOF */
@@ -1306,20 +1321,20 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data,
dev_err(dev, "Bad format: failed to parse object\n");
return -EINVAL;
}
data_pos += offset;
cfg->raw_pos += offset;
object = mxt_get_object(data, type);
if (!object) {
/* Skip object */
for (i = 0; i < size; i++) {
ret = sscanf(cfg->data + data_pos, "%hhx%n",
ret = sscanf(cfg->raw + cfg->raw_pos, "%hhx%n",
&val, &offset);
if (ret != 1) {
dev_err(dev, "Bad format in T%d at %d\n",
type, i);
return -EINVAL;
}
data_pos += offset;
cfg->raw_pos += offset;
}
continue;
}
@@ -1354,7 +1369,7 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data,
reg = object->start_address + mxt_obj_size(object) * instance;
for (i = 0; i < size; i++) {
ret = sscanf(cfg->data + data_pos, "%hhx%n",
ret = sscanf(cfg->raw + cfg->raw_pos, "%hhx%n",
&val,
&offset);
if (ret != 1) {
@@ -1362,15 +1377,15 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data,
type, i);
return -EINVAL;
}
data_pos += offset;
cfg->raw_pos += offset;
if (i > mxt_obj_size(object))
continue;
byte_offset = reg + i - cfg_start_ofs;
byte_offset = reg + i - cfg->start_ofs;
if (byte_offset >= 0 && byte_offset < config_mem_size) {
*(config_mem + byte_offset) = val;
if (byte_offset >= 0 && byte_offset < cfg->mem_size) {
*(cfg->mem + byte_offset) = val;
} else {
dev_err(dev, "Bad object: reg:%d, T%d, ofs=%d\n",
reg, object->type, byte_offset);
@@ -1382,22 +1397,21 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data,
return 0;
}
static int mxt_upload_cfg_mem(struct mxt_data *data, unsigned int cfg_start,
u8 *config_mem, size_t config_mem_size)
static int mxt_upload_cfg_mem(struct mxt_data *data, struct mxt_cfg *cfg)
{
unsigned int byte_offset = 0;
int error;
/* Write configuration as blocks */
while (byte_offset < config_mem_size) {
unsigned int size = config_mem_size - byte_offset;
while (byte_offset < cfg->mem_size) {
unsigned int size = cfg->mem_size - byte_offset;
if (size > MXT_MAX_BLOCK_WRITE)
size = MXT_MAX_BLOCK_WRITE;
error = __mxt_write_reg(data->client,
cfg_start + byte_offset,
size, config_mem + byte_offset);
cfg->start_ofs + byte_offset,
size, cfg->mem + byte_offset);
if (error) {
dev_err(&data->client->dev,
"Config write error, ret=%d\n", error);
@@ -1431,65 +1445,75 @@ static int mxt_init_t7_power_cfg(struct mxt_data *data);
* <SIZE> - 2-byte object size as hex
* <CONTENTS> - array of <SIZE> 1-byte hex values
*/
static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg)
static int mxt_update_cfg(struct mxt_data *data, const struct firmware *fw)
{
struct device *dev = &data->client->dev;
struct mxt_info cfg_info;
struct mxt_cfg cfg;
int ret;
int offset;
int data_pos;
int i;
int cfg_start_ofs;
u32 info_crc, config_crc, calculated_crc;
u8 *config_mem;
size_t config_mem_size;
u16 crc_start = 0;
/* Make zero terminated copy of the OBP_RAW file */
cfg.raw = kmemdup_nul(fw->data, fw->size, GFP_KERNEL);
if (!cfg.raw)
return -ENOMEM;
cfg.raw_size = fw->size;
mxt_update_crc(data, MXT_COMMAND_REPORTALL, 1);
if (strncmp(cfg->data, MXT_CFG_MAGIC, strlen(MXT_CFG_MAGIC))) {
if (strncmp(cfg.raw, MXT_CFG_MAGIC, strlen(MXT_CFG_MAGIC))) {
dev_err(dev, "Unrecognised config file\n");
return -EINVAL;
ret = -EINVAL;
goto release_raw;
}
data_pos = strlen(MXT_CFG_MAGIC);
cfg.raw_pos = strlen(MXT_CFG_MAGIC);
/* Load information block and check */
for (i = 0; i < sizeof(struct mxt_info); i++) {
ret = sscanf(cfg->data + data_pos, "%hhx%n",
(unsigned char *)&cfg_info + i,
ret = sscanf(cfg.raw + cfg.raw_pos, "%hhx%n",
(unsigned char *)&cfg.info + i,
&offset);
if (ret != 1) {
dev_err(dev, "Bad format\n");
return -EINVAL;
ret = -EINVAL;
goto release_raw;
}
data_pos += offset;
cfg.raw_pos += offset;
}
if (cfg_info.family_id != data->info->family_id) {
if (cfg.info.family_id != data->info->family_id) {
dev_err(dev, "Family ID mismatch!\n");
return -EINVAL;
ret = -EINVAL;
goto release_raw;
}
if (cfg_info.variant_id != data->info->variant_id) {
if (cfg.info.variant_id != data->info->variant_id) {
dev_err(dev, "Variant ID mismatch!\n");
return -EINVAL;
ret = -EINVAL;
goto release_raw;
}
/* Read CRCs */
ret = sscanf(cfg->data + data_pos, "%x%n", &info_crc, &offset);
ret = sscanf(cfg.raw + cfg.raw_pos, "%x%n", &info_crc, &offset);
if (ret != 1) {
dev_err(dev, "Bad format: failed to parse Info CRC\n");
return -EINVAL;
ret = -EINVAL;
goto release_raw;
}
data_pos += offset;
cfg.raw_pos += offset;
ret = sscanf(cfg->data + data_pos, "%x%n", &config_crc, &offset);
ret = sscanf(cfg.raw + cfg.raw_pos, "%x%n", &config_crc, &offset);
if (ret != 1) {
dev_err(dev, "Bad format: failed to parse Config CRC\n");
return -EINVAL;
ret = -EINVAL;
goto release_raw;
}
data_pos += offset;
cfg.raw_pos += offset;
/*
* The Info Block CRC is calculated over mxt_info and the object
@@ -1515,39 +1539,39 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg)
}
/* Malloc memory to store configuration */
cfg_start_ofs = MXT_OBJECT_START +
cfg.start_ofs = MXT_OBJECT_START +
data->info->object_num * sizeof(struct mxt_object) +
MXT_INFO_CHECKSUM_SIZE;
config_mem_size = data->mem_size - cfg_start_ofs;
config_mem = kzalloc(config_mem_size, GFP_KERNEL);
if (!config_mem) {
dev_err(dev, "Failed to allocate memory\n");
return -ENOMEM;
cfg.mem_size = data->mem_size - cfg.start_ofs;
cfg.mem = kzalloc(cfg.mem_size, GFP_KERNEL);
if (!cfg.mem) {
ret = -ENOMEM;
goto release_raw;
}
ret = mxt_prepare_cfg_mem(data, cfg, data_pos, cfg_start_ofs,
config_mem, config_mem_size);
ret = mxt_prepare_cfg_mem(data, &cfg);
if (ret)
goto release_mem;
/* Calculate crc of the received configs (not the raw config file) */
if (data->T7_address < cfg_start_ofs) {
dev_err(dev, "Bad T7 address, T7addr = %x, config offset %x\n",
data->T7_address, cfg_start_ofs);
ret = 0;
goto release_mem;
if (data->T71_address)
crc_start = data->T71_address;
else if (data->T7_address)
crc_start = data->T7_address;
else
dev_warn(dev, "Could not find CRC start\n");
if (crc_start > cfg.start_ofs) {
calculated_crc = mxt_calculate_crc(cfg.mem,
crc_start - cfg.start_ofs,
cfg.mem_size);
if (config_crc > 0 && config_crc != calculated_crc)
dev_warn(dev, "Config CRC in file inconsistent, calculated=%06X, file=%06X\n",
calculated_crc, config_crc);
}
calculated_crc = mxt_calculate_crc(config_mem,
data->T7_address - cfg_start_ofs,
config_mem_size);
if (config_crc > 0 && config_crc != calculated_crc)
dev_warn(dev, "Config CRC error, calculated=%06X, file=%06X\n",
calculated_crc, config_crc);
ret = mxt_upload_cfg_mem(data, cfg_start_ofs,
config_mem, config_mem_size);
ret = mxt_upload_cfg_mem(data, &cfg);
if (ret)
goto release_mem;
@@ -1562,8 +1586,10 @@ static int mxt_update_cfg(struct mxt_data *data, const struct firmware *cfg)
/* T7 config may have changed */
mxt_init_t7_power_cfg(data);
release_raw:
kfree(cfg.raw);
release_mem:
kfree(config_mem);
kfree(cfg.mem);
return ret;
}
@@ -1591,6 +1617,7 @@ static void mxt_free_object_table(struct mxt_data *data)
data->T5_msg_size = 0;
data->T6_reportid = 0;
data->T7_address = 0;
data->T71_address = 0;
data->T9_reportid_min = 0;
data->T9_reportid_max = 0;
data->T19_reportid = 0;
@@ -1656,12 +1683,16 @@ static int mxt_parse_object_table(struct mxt_data *data,
case MXT_GEN_POWER_T7:
data->T7_address = object->start_address;
break;
case MXT_SPT_DYNAMICCONFIGURATIONCONTAINER_T71:
data->T71_address = object->start_address;
break;
case MXT_TOUCH_MULTI_T9:
data->multitouch = MXT_TOUCH_MULTI_T9;
/* Only handle messages from first T9 instance */
data->T9_reportid_min = min_id;
data->T9_reportid_max = max_id;
data->num_touchids = object->num_report_ids
* mxt_obj_instances(object);
data->T9_reportid_max = min_id +
object->num_report_ids - 1;
data->num_touchids = object->num_report_ids;
break;
case MXT_SPT_MESSAGECOUNT_T44:
data->T44_address = object->start_address;
@@ -1981,10 +2012,8 @@ static int mxt_initialize_input_device(struct mxt_data *data)
/* Register input device */
input_dev = input_allocate_device();
if (!input_dev) {
dev_err(dev, "Failed to allocate memory\n");
if (!input_dev)
return -ENOMEM;
}
input_dev->name = "Atmel maXTouch Touchscreen";
input_dev->phys = data->phys;
@@ -2054,12 +2083,6 @@ static int mxt_initialize_input_device(struct mxt_data *data)
0, 255, 0, 0);
}
if (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 &&
data->t100_aux_ampl) {
input_set_abs_params(input_dev, ABS_MT_PRESSURE,
0, 255, 0, 0);
}
if (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 &&
data->t100_aux_vect) {
input_set_abs_params(input_dev, ABS_MT_ORIENTATION,

484
drivers/input/touchscreen/bu21029_ts.c 普通文件
查看文件

@@ -0,0 +1,484 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Rohm BU21029 touchscreen controller driver
*
* Copyright (C) 2015-2018 Bosch Sicherheitssysteme GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/input/touchscreen.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include <linux/timer.h>
/*
* HW_ID1 Register (PAGE=0, ADDR=0x0E, Reset value=0x02, Read only)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | HW_IDH |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* HW_ID2 Register (PAGE=0, ADDR=0x0F, Reset value=0x29, Read only)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | HW_IDL |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* HW_IDH: high 8bits of IC's ID
* HW_IDL: low 8bits of IC's ID
*/
#define BU21029_HWID_REG (0x0E << 3)
#define SUPPORTED_HWID 0x0229
/*
* CFR0 Register (PAGE=0, ADDR=0x00, Reset value=0x20)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | 0 | 0 | CALIB | INTRM | 0 | 0 | 0 | 0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* CALIB: 0 = not to use calibration result (*)
* 1 = use calibration result
* INTRM: 0 = INT output depend on "pen down" (*)
* 1 = INT output always "0"
*/
#define BU21029_CFR0_REG (0x00 << 3)
#define CFR0_VALUE 0x00
/*
* CFR1 Register (PAGE=0, ADDR=0x01, Reset value=0xA6)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | MAV | AVE[2:0] | 0 | SMPL[2:0] |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* MAV: 0 = median average filter off
* 1 = median average filter on (*)
* AVE: AVE+1 = number of average samples for MAV,
* if AVE>SMPL, then AVE=SMPL (=3)
* SMPL: SMPL+1 = number of conversion samples for MAV (=7)
*/
#define BU21029_CFR1_REG (0x01 << 3)
#define CFR1_VALUE 0xA6
/*
* CFR2 Register (PAGE=0, ADDR=0x02, Reset value=0x04)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | INTVL_TIME[3:0] | TIME_ST_ADC[3:0] |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* INTVL_TIME: waiting time between completion of conversion
* and start of next conversion, only usable in
* autoscan mode (=20.480ms)
* TIME_ST_ADC: waiting time between application of voltage
* to panel and start of A/D conversion (=100us)
*/
#define BU21029_CFR2_REG (0x02 << 3)
#define CFR2_VALUE 0xC9
/*
* CFR3 Register (PAGE=0, ADDR=0x0B, Reset value=0x72)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | RM8 | STRETCH| PU90K | DUAL | PIDAC_OFS[3:0] |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* RM8: 0 = coordinate resolution is 12bit (*)
* 1 = coordinate resolution is 8bit
* STRETCH: 0 = SCL_STRETCH function off
* 1 = SCL_STRETCH function on (*)
* PU90K: 0 = internal pull-up resistance for touch detection is ~50kohms (*)
* 1 = internal pull-up resistance for touch detection is ~90kohms
* DUAL: 0 = dual touch detection off (*)
* 1 = dual touch detection on
* PIDAC_OFS: dual touch detection circuit adjustment, it is not necessary
* to change this from initial value
*/
#define BU21029_CFR3_REG (0x0B << 3)
#define CFR3_VALUE 0x42
/*
* LDO Register (PAGE=0, ADDR=0x0C, Reset value=0x00)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | 0 | PVDD[2:0] | 0 | AVDD[2:0] |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* PVDD: output voltage of panel output regulator (=2.000V)
* AVDD: output voltage of analog circuit regulator (=2.000V)
*/
#define BU21029_LDO_REG (0x0C << 3)
#define LDO_VALUE 0x77
/*
* Serial Interface Command Byte 1 (CID=1)
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* | 1 | CF | CMSK | PDM | STP |
* +--------+--------+--------+--------+--------+--------+--------+--------+
* CF: conversion function, see table 3 in datasheet p6 (=0000, automatic scan)
* CMSK: 0 = executes convert function (*)
* 1 = reads the convert result
* PDM: 0 = power down after convert function stops (*)
* 1 = keep power on after convert function stops
* STP: 1 = abort current conversion and power down, set to "0" automatically
*/
#define BU21029_AUTOSCAN 0x80
/*
* The timeout value needs to be larger than INTVL_TIME + tConv4 (sample and
* conversion time), where tConv4 is calculated by formula:
* tPON + tDLY1 + (tTIME_ST_ADC + (tADC * tSMPL) * 2 + tDLY2) * 3
* see figure 8 in datasheet p15 for details of each field.
*/
#define PEN_UP_TIMEOUT_MS 50
#define STOP_DELAY_MIN_US 50
#define STOP_DELAY_MAX_US 1000
#define START_DELAY_MS 2
#define BUF_LEN 8
#define SCALE_12BIT (1 << 12)
#define MAX_12BIT ((1 << 12) - 1)
#define DRIVER_NAME "bu21029"
struct bu21029_ts_data {
struct i2c_client *client;
struct input_dev *in_dev;
struct timer_list timer;
struct regulator *vdd;
struct gpio_desc *reset_gpios;
u32 x_plate_ohms;
struct touchscreen_properties prop;
};
static void bu21029_touch_report(struct bu21029_ts_data *bu21029, const u8 *buf)
{
u16 x, y, z1, z2;
u32 rz;
s32 max_pressure = input_abs_get_max(bu21029->in_dev, ABS_PRESSURE);
/*
* compose upper 8 and lower 4 bits into a 12bit value:
* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
* | ByteH | ByteL |
* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
* |b07|b06|b05|b04|b03|b02|b01|b00|b07|b06|b05|b04|b03|b02|b01|b00|
* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
* |v11|v10|v09|v08|v07|v06|v05|v04|v03|v02|v01|v00| 0 | 0 | 0 | 0 |
* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
*/
x = (buf[0] << 4) | (buf[1] >> 4);
y = (buf[2] << 4) | (buf[3] >> 4);
z1 = (buf[4] << 4) | (buf[5] >> 4);
z2 = (buf[6] << 4) | (buf[7] >> 4);
if (z1 && z2) {
/*
* calculate Rz (pressure resistance value) by equation:
* Rz = Rx * (x/Q) * ((z2/z1) - 1), where
* Rx is x-plate resistance,
* Q is the touch screen resolution (8bit = 256, 12bit = 4096)
* x, z1, z2 are the measured positions.
*/
rz = z2 - z1;
rz *= x;
rz *= bu21029->x_plate_ohms;
rz /= z1;
rz = DIV_ROUND_CLOSEST(rz, SCALE_12BIT);
if (rz <= max_pressure) {
touchscreen_report_pos(bu21029->in_dev, &bu21029->prop,
x, y, false);
input_report_abs(bu21029->in_dev, ABS_PRESSURE,
max_pressure - rz);
input_report_key(bu21029->in_dev, BTN_TOUCH, 1);
input_sync(bu21029->in_dev);
}
}
}
static void bu21029_touch_release(struct timer_list *t)
{
struct bu21029_ts_data *bu21029 = from_timer(bu21029, t, timer);
input_report_abs(bu21029->in_dev, ABS_PRESSURE, 0);
input_report_key(bu21029->in_dev, BTN_TOUCH, 0);
input_sync(bu21029->in_dev);
}
static irqreturn_t bu21029_touch_soft_irq(int irq, void *data)
{
struct bu21029_ts_data *bu21029 = data;
u8 buf[BUF_LEN];
int error;
/*
* Read touch data and deassert interrupt (will assert again after
* INTVL_TIME + tConv4 for continuous touch)
*/
error = i2c_smbus_read_i2c_block_data(bu21029->client, BU21029_AUTOSCAN,
sizeof(buf), buf);
if (error < 0)
goto out;
bu21029_touch_report(bu21029, buf);
/* reset timer for pen up detection */
mod_timer(&bu21029->timer,
jiffies + msecs_to_jiffies(PEN_UP_TIMEOUT_MS));
out:
return IRQ_HANDLED;
}
static void bu21029_put_chip_in_reset(struct bu21029_ts_data *bu21029)
{
if (bu21029->reset_gpios) {
gpiod_set_value_cansleep(bu21029->reset_gpios, 1);
usleep_range(STOP_DELAY_MIN_US, STOP_DELAY_MAX_US);
}
}
static int bu21029_start_chip(struct input_dev *dev)
{
struct bu21029_ts_data *bu21029 = input_get_drvdata(dev);
struct i2c_client *i2c = bu21029->client;
struct {
u8 reg;
u8 value;
} init_table[] = {
{BU21029_CFR0_REG, CFR0_VALUE},
{BU21029_CFR1_REG, CFR1_VALUE},
{BU21029_CFR2_REG, CFR2_VALUE},
{BU21029_CFR3_REG, CFR3_VALUE},
{BU21029_LDO_REG, LDO_VALUE}
};
int error, i;
__be16 hwid;
error = regulator_enable(bu21029->vdd);
if (error) {
dev_err(&i2c->dev, "failed to power up chip: %d", error);
return error;
}
/* take chip out of reset */
if (bu21029->reset_gpios) {
gpiod_set_value_cansleep(bu21029->reset_gpios, 0);
msleep(START_DELAY_MS);
}
error = i2c_smbus_read_i2c_block_data(i2c, BU21029_HWID_REG,
sizeof(hwid), (u8 *)&hwid);
if (error < 0) {
dev_err(&i2c->dev, "failed to read HW ID\n");
goto err_out;
}
if (be16_to_cpu(hwid) != SUPPORTED_HWID) {
dev_err(&i2c->dev,
"unsupported HW ID 0x%x\n", be16_to_cpu(hwid));
error = -ENODEV;
goto err_out;
}
for (i = 0; i < ARRAY_SIZE(init_table); ++i) {
error = i2c_smbus_write_byte_data(i2c,
init_table[i].reg,
init_table[i].value);
if (error < 0) {
dev_err(&i2c->dev,
"failed to write %#02x to register %#02x: %d\n",
init_table[i].value, init_table[i].reg,
error);
goto err_out;
}
}
error = i2c_smbus_write_byte(i2c, BU21029_AUTOSCAN);
if (error < 0) {
dev_err(&i2c->dev, "failed to start autoscan\n");
goto err_out;
}
enable_irq(bu21029->client->irq);
return 0;
err_out:
bu21029_put_chip_in_reset(bu21029);
regulator_disable(bu21029->vdd);
return error;
}
static void bu21029_stop_chip(struct input_dev *dev)
{
struct bu21029_ts_data *bu21029 = input_get_drvdata(dev);
disable_irq(bu21029->client->irq);
del_timer_sync(&bu21029->timer);
bu21029_put_chip_in_reset(bu21029);
regulator_disable(bu21029->vdd);
}
static int bu21029_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct bu21029_ts_data *bu21029;
struct input_dev *in_dev;
int error;
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_WRITE_BYTE |
I2C_FUNC_SMBUS_WRITE_BYTE_DATA |
I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
dev_err(&client->dev,
"i2c functionality support is not sufficient\n");
return -EIO;
}
bu21029 = devm_kzalloc(&client->dev, sizeof(*bu21029), GFP_KERNEL);
if (!bu21029)
return -ENOMEM;
error = device_property_read_u32(&client->dev, "rohm,x-plate-ohms",
&bu21029->x_plate_ohms);
if (error) {
dev_err(&client->dev,
"invalid 'x-plate-ohms' supplied: %d\n", error);
return error;
}
bu21029->vdd = devm_regulator_get(&client->dev, "vdd");
if (IS_ERR(bu21029->vdd)) {
error = PTR_ERR(bu21029->vdd);
if (error != -EPROBE_DEFER)
dev_err(&client->dev,
"failed to acquire 'vdd' supply: %d\n", error);
return error;
}
bu21029->reset_gpios = devm_gpiod_get_optional(&client->dev,
"reset", GPIOD_OUT_HIGH);
if (IS_ERR(bu21029->reset_gpios)) {
error = PTR_ERR(bu21029->reset_gpios);
if (error != -EPROBE_DEFER)
dev_err(&client->dev,
"failed to acquire 'reset' gpio: %d\n", error);
return error;
}
in_dev = devm_input_allocate_device(&client->dev);
if (!in_dev) {
dev_err(&client->dev, "unable to allocate input device\n");
return -ENOMEM;
}
bu21029->client = client;
bu21029->in_dev = in_dev;
timer_setup(&bu21029->timer, bu21029_touch_release, 0);
in_dev->name = DRIVER_NAME;
in_dev->id.bustype = BUS_I2C;
in_dev->open = bu21029_start_chip;
in_dev->close = bu21029_stop_chip;
input_set_capability(in_dev, EV_KEY, BTN_TOUCH);
input_set_abs_params(in_dev, ABS_X, 0, MAX_12BIT, 0, 0);
input_set_abs_params(in_dev, ABS_Y, 0, MAX_12BIT, 0, 0);
input_set_abs_params(in_dev, ABS_PRESSURE, 0, MAX_12BIT, 0, 0);
touchscreen_parse_properties(in_dev, false, &bu21029->prop);
input_set_drvdata(in_dev, bu21029);
irq_set_status_flags(client->irq, IRQ_NOAUTOEN);
error = devm_request_threaded_irq(&client->dev, client->irq,
NULL, bu21029_touch_soft_irq,
IRQF_ONESHOT, DRIVER_NAME, bu21029);
if (error) {
dev_err(&client->dev,
"unable to request touch irq: %d\n", error);
return error;
}
error = input_register_device(in_dev);
if (error) {
dev_err(&client->dev,
"unable to register input device: %d\n", error);
return error;
}
i2c_set_clientdata(client, bu21029);
return 0;
}
static int __maybe_unused bu21029_suspend(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
struct bu21029_ts_data *bu21029 = i2c_get_clientdata(i2c);
if (!device_may_wakeup(dev)) {
mutex_lock(&bu21029->in_dev->mutex);
if (bu21029->in_dev->users)
bu21029_stop_chip(bu21029->in_dev);
mutex_unlock(&bu21029->in_dev->mutex);
}
return 0;
}
static int __maybe_unused bu21029_resume(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
struct bu21029_ts_data *bu21029 = i2c_get_clientdata(i2c);
if (!device_may_wakeup(dev)) {
mutex_lock(&bu21029->in_dev->mutex);
if (bu21029->in_dev->users)
bu21029_start_chip(bu21029->in_dev);
mutex_unlock(&bu21029->in_dev->mutex);
}
return 0;
}
static SIMPLE_DEV_PM_OPS(bu21029_pm_ops, bu21029_suspend, bu21029_resume);
static const struct i2c_device_id bu21029_ids[] = {
{ DRIVER_NAME, 0 },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(i2c, bu21029_ids);
#ifdef CONFIG_OF
static const struct of_device_id bu21029_of_ids[] = {
{ .compatible = "rohm,bu21029" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, bu21029_of_ids);
#endif
static struct i2c_driver bu21029_driver = {
.driver = {
.name = DRIVER_NAME,
.of_match_table = of_match_ptr(bu21029_of_ids),
.pm = &bu21029_pm_ops,
},
.id_table = bu21029_ids,
.probe = bu21029_probe,
};
module_i2c_driver(bu21029_driver);
MODULE_AUTHOR("Zhu Yi <yi.zhu5@cn.bosch.com>");
MODULE_DESCRIPTION("Rohm BU21029 touchscreen controller driver");
MODULE_LICENSE("GPL v2");

37
drivers/input/touchscreen/eeti_ts.c
查看文件

@@ -1,9 +1,9 @@
/*
* Touch Screen driver for EETI's I2C connected touch screen panels
* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
* Copyright (c) 2009,2018 Daniel Mack <daniel@zonque.org>
*
* See EETI's software guide for the protocol specification:
* http://home.eeti.com.tw/web20/eg/guide.htm
* http://home.eeti.com.tw/documentation.html
*
* Based on migor_ts.c
* Copyright (c) 2008 Magnus Damm
@@ -25,28 +25,22 @@
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/input/touchscreen.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/timer.h>
#include <linux/gpio/consumer.h>
#include <linux/of.h>
#include <linux/slab.h>
#include <asm/unaligned.h>
static bool flip_x;
module_param(flip_x, bool, 0644);
MODULE_PARM_DESC(flip_x, "flip x coordinate");
static bool flip_y;
module_param(flip_y, bool, 0644);
MODULE_PARM_DESC(flip_y, "flip y coordinate");
struct eeti_ts {
struct i2c_client *client;
struct input_dev *input;
struct gpio_desc *attn_gpio;
struct touchscreen_properties props;
bool running;
};
@@ -73,17 +67,10 @@ static void eeti_ts_report_event(struct eeti_ts *eeti, u8 *buf)
x >>= res - EETI_TS_BITDEPTH;
y >>= res - EETI_TS_BITDEPTH;
if (flip_x)
x = EETI_MAXVAL - x;
if (flip_y)
y = EETI_MAXVAL - y;
if (buf[0] & REPORT_BIT_HAS_PRESSURE)
input_report_abs(eeti->input, ABS_PRESSURE, buf[5]);
input_report_abs(eeti->input, ABS_X, x);
input_report_abs(eeti->input, ABS_Y, y);
touchscreen_report_pos(eeti->input, &eeti->props, x, y, false);
input_report_key(eeti->input, BTN_TOUCH, buf[0] & REPORT_BIT_PRESSED);
input_sync(eeti->input);
}
@@ -178,6 +165,8 @@ static int eeti_ts_probe(struct i2c_client *client,
input_set_abs_params(input, ABS_Y, 0, EETI_MAXVAL, 0, 0);
input_set_abs_params(input, ABS_PRESSURE, 0, 0xff, 0, 0);
touchscreen_parse_properties(input, false, &eeti->props);
input->name = client->name;
input->id.bustype = BUS_I2C;
input->open = eeti_ts_open;
@@ -262,10 +251,18 @@ static const struct i2c_device_id eeti_ts_id[] = {
};
MODULE_DEVICE_TABLE(i2c, eeti_ts_id);
#ifdef CONFIG_OF
static const struct of_device_id of_eeti_ts_match[] = {
{ .compatible = "eeti,exc3000-i2c", },
{ }
};
#endif
static struct i2c_driver eeti_ts_driver = {
.driver = {
.name = "eeti_ts",
.pm = &eeti_ts_pm,
.of_match_table = of_match_ptr(of_eeti_ts_match),
},
.probe = eeti_ts_probe,
.id_table = eeti_ts_id,
@@ -274,5 +271,5 @@ static struct i2c_driver eeti_ts_driver = {
module_i2c_driver(eeti_ts_driver);
MODULE_DESCRIPTION("EETI Touchscreen driver");
MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
MODULE_AUTHOR("Daniel Mack <daniel@zonque.org>");
MODULE_LICENSE("GPL");

5
drivers/input/touchscreen/egalax_ts.c
查看文件

@@ -1,13 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Driver for EETI eGalax Multiple Touch Controller
*
* Copyright (C) 2011 Freescale Semiconductor, Inc.
*
* based on max11801_ts.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* EETI eGalax serial touch screen controller is a I2C based multiple

1
drivers/input/touchscreen/elo.c
查看文件

@@ -352,6 +352,7 @@ static int elo_connect(struct serio *serio, struct serio_driver *drv)
case 1: /* 6-byte protocol */
input_set_abs_params(input_dev, ABS_PRESSURE, 0, 15, 0, 0);
/* fall through */
case 2: /* 4-byte protocol */
input_set_abs_params(input_dev, ABS_X, 96, 4000, 0, 0);

21
drivers/input/touchscreen/fsl-imx25-tcq.c
查看文件

@@ -1,16 +1,11 @@
/*
* Copyright (C) 2014-2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*
* Based on driver from 2011:
* Juergen Beisert, Pengutronix <kernel@pengutronix.de>
*
* This is the driver for the imx25 TCQ (Touchscreen Conversion Queue)
* connected to the imx25 ADC.
*/
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (C) 2014-2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
// Based on driver from 2011:
// Juergen Beisert, Pengutronix <kernel@pengutronix.de>
//
// This is the driver for the imx25 TCQ (Touchscreen Conversion Queue)
// connected to the imx25 ADC.
#include <linux/clk.h>
#include <linux/device.h>

4
drivers/input/touchscreen/gunze.c
查看文件

@@ -20,10 +20,6 @@
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <linux/errno.h>

14
drivers/input/touchscreen/imx6ul_tsc.c
查看文件

@@ -1,12 +1,8 @@
/*
* Freescale i.MX6UL touchscreen controller driver
*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
// SPDX-License-Identifier: GPL-2.0
//
// Freescale i.MX6UL touchscreen controller driver
//
// Copyright (C) 2015 Freescale Semiconductor, Inc.
#include <linux/errno.h>
#include <linux/kernel.h>

4
drivers/input/touchscreen/raydium_i2c_ts.c
查看文件

@@ -466,7 +466,7 @@ static bool raydium_i2c_boot_trigger(struct i2c_client *client)
}
}
return 0;
return false;
}
static bool raydium_i2c_fw_trigger(struct i2c_client *client)
@@ -492,7 +492,7 @@ static bool raydium_i2c_fw_trigger(struct i2c_client *client)
}
}
return 0;
return false;
}
static int raydium_i2c_check_path(struct i2c_client *client)

2
drivers/input/touchscreen/wdt87xx_i2c.c
查看文件

@@ -1142,7 +1142,7 @@ static int __maybe_unused wdt87xx_resume(struct device *dev)
* The chip may have been reset while system is resuming,
* give it some time to settle.
*/
mdelay(100);
msleep(100);
error = wdt87xx_send_command(client, VND_CMD_START, 0);
if (error)