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Merge branches 'ib-mfd-watchdog-rtc-4.2', 'ib-mfd-regulator-4.2' and 'ib-mfd-i2c-input-chrome-4.2' into ibs-for-mfd-merged

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This commit is contained in:
Lee Jones
2015-06-22 12:24:25 +01:00
parent db4112e6d7 6d4fa89dcd cf649e0076
commit 79aa79342c
249 changed files with 4897 additions and 2173 deletions
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86
include/linux/mfd/axp20x.h
View File

@@ -14,6 +14,7 @@
enum {
AXP202_ID = 0,
AXP209_ID,
AXP221_ID,
AXP288_ID,
NR_AXP20X_VARIANTS,
};
@@ -45,6 +46,28 @@ enum {
#define AXP20X_V_LTF_DISCHRG 0x3c
#define AXP20X_V_HTF_DISCHRG 0x3d
#define AXP22X_PWR_OUT_CTRL1 0x10
#define AXP22X_PWR_OUT_CTRL2 0x12
#define AXP22X_PWR_OUT_CTRL3 0x13
#define AXP22X_DLDO1_V_OUT 0x15
#define AXP22X_DLDO2_V_OUT 0x16
#define AXP22X_DLDO3_V_OUT 0x17
#define AXP22X_DLDO4_V_OUT 0x18
#define AXP22X_ELDO1_V_OUT 0x19
#define AXP22X_ELDO2_V_OUT 0x1a
#define AXP22X_ELDO3_V_OUT 0x1b
#define AXP22X_DC5LDO_V_OUT 0x1c
#define AXP22X_DCDC1_V_OUT 0x21
#define AXP22X_DCDC2_V_OUT 0x22
#define AXP22X_DCDC3_V_OUT 0x23
#define AXP22X_DCDC4_V_OUT 0x24
#define AXP22X_DCDC5_V_OUT 0x25
#define AXP22X_DCDC23_V_RAMP_CTRL 0x27
#define AXP22X_ALDO1_V_OUT 0x28
#define AXP22X_ALDO2_V_OUT 0x29
#define AXP22X_ALDO3_V_OUT 0x2a
#define AXP22X_CHRG_CTRL3 0x35
/* Interrupt */
#define AXP20X_IRQ1_EN 0x40
#define AXP20X_IRQ2_EN 0x41
@@ -100,6 +123,9 @@ enum {
#define AXP20X_VBUS_MON 0x8b
#define AXP20X_OVER_TMP 0x8f
#define AXP22X_PWREN_CTRL1 0x8c
#define AXP22X_PWREN_CTRL2 0x8d
/* GPIO */
#define AXP20X_GPIO0_CTRL 0x90
#define AXP20X_LDO5_V_OUT 0x91
@@ -108,6 +134,11 @@ enum {
#define AXP20X_GPIO20_SS 0x94
#define AXP20X_GPIO3_CTRL 0x95
#define AXP22X_LDO_IO0_V_OUT 0x91
#define AXP22X_LDO_IO1_V_OUT 0x93
#define AXP22X_GPIO_STATE 0x94
#define AXP22X_GPIO_PULL_DOWN 0x95
/* Battery */
#define AXP20X_CHRG_CC_31_24 0xb0
#define AXP20X_CHRG_CC_23_16 0xb1
@@ -120,6 +151,9 @@ enum {
#define AXP20X_CC_CTRL 0xb8
#define AXP20X_FG_RES 0xb9
/* AXP22X specific registers */
#define AXP22X_BATLOW_THRES1 0xe6
/* AXP288 specific registers */
#define AXP288_PMIC_ADC_H 0x56
#define AXP288_PMIC_ADC_L 0x57
@@ -158,6 +192,30 @@ enum {
AXP20X_REG_ID_MAX,
};
enum {
AXP22X_DCDC1 = 0,
AXP22X_DCDC2,
AXP22X_DCDC3,
AXP22X_DCDC4,
AXP22X_DCDC5,
AXP22X_DC1SW,
AXP22X_DC5LDO,
AXP22X_ALDO1,
AXP22X_ALDO2,
AXP22X_ALDO3,
AXP22X_ELDO1,
AXP22X_ELDO2,
AXP22X_ELDO3,
AXP22X_DLDO1,
AXP22X_DLDO2,
AXP22X_DLDO3,
AXP22X_DLDO4,
AXP22X_RTC_LDO,
AXP22X_LDO_IO0,
AXP22X_LDO_IO1,
AXP22X_REG_ID_MAX,
};
/* IRQs */
enum {
AXP20X_IRQ_ACIN_OVER_V = 1,
@@ -199,6 +257,34 @@ enum {
AXP20X_IRQ_GPIO0_INPUT,
};
enum axp22x_irqs {
AXP22X_IRQ_ACIN_OVER_V = 1,
AXP22X_IRQ_ACIN_PLUGIN,
AXP22X_IRQ_ACIN_REMOVAL,
AXP22X_IRQ_VBUS_OVER_V,
AXP22X_IRQ_VBUS_PLUGIN,
AXP22X_IRQ_VBUS_REMOVAL,
AXP22X_IRQ_VBUS_V_LOW,
AXP22X_IRQ_BATT_PLUGIN,
AXP22X_IRQ_BATT_REMOVAL,
AXP22X_IRQ_BATT_ENT_ACT_MODE,
AXP22X_IRQ_BATT_EXIT_ACT_MODE,
AXP22X_IRQ_CHARG,
AXP22X_IRQ_CHARG_DONE,
AXP22X_IRQ_BATT_TEMP_HIGH,
AXP22X_IRQ_BATT_TEMP_LOW,
AXP22X_IRQ_DIE_TEMP_HIGH,
AXP22X_IRQ_PEK_SHORT,
AXP22X_IRQ_PEK_LONG,
AXP22X_IRQ_LOW_PWR_LVL1,
AXP22X_IRQ_LOW_PWR_LVL2,
AXP22X_IRQ_TIMER,
AXP22X_IRQ_PEK_RIS_EDGE,
AXP22X_IRQ_PEK_FAL_EDGE,
AXP22X_IRQ_GPIO1_INPUT,
AXP22X_IRQ_GPIO0_INPUT,
};
enum axp288_irqs {
AXP288_IRQ_VBUS_FALL = 2,
AXP288_IRQ_VBUS_RISE,

86
include/linux/mfd/cros_ec.h
View File

@@ -17,10 +17,29 @@
#define __LINUX_MFD_CROS_EC_H
#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/mfd/cros_ec_commands.h>
#include <linux/mutex.h>
#define CROS_EC_DEV_NAME "cros_ec"
#define CROS_EC_DEV_PD_NAME "cros_pd"
/*
* The EC is unresponsive for a time after a reboot command. Add a
* simple delay to make sure that the bus stays locked.
*/
#define EC_REBOOT_DELAY_MS 50
/*
* Max bus-specific overhead incurred by request/responses.
* I2C requires 1 additional byte for requests.
* I2C requires 2 additional bytes for responses.
* */
#define EC_PROTO_VERSION_UNKNOWN 0
#define EC_MAX_REQUEST_OVERHEAD 1
#define EC_MAX_RESPONSE_OVERHEAD 2
/*
* Command interface between EC and AP, for LPC, I2C and SPI interfaces.
*/
@@ -42,8 +61,7 @@ enum {
* @outsize: Outgoing length in bytes
* @insize: Max number of bytes to accept from EC
* @result: EC's response to the command (separate from communication failure)
* @outdata: Outgoing data to EC
* @indata: Where to put the incoming data from EC
* @data: Where to put the incoming data from EC and outgoing data to EC
*/
struct cros_ec_command {
uint32_t version;
@@ -51,18 +69,14 @@ struct cros_ec_command {
uint32_t outsize;
uint32_t insize;
uint32_t result;
uint8_t outdata[EC_PROTO2_MAX_PARAM_SIZE];
uint8_t indata[EC_PROTO2_MAX_PARAM_SIZE];
uint8_t data[0];
};
/**
* struct cros_ec_device - Information about a ChromeOS EC device
*
* @ec_name: name of EC device (e.g. 'chromeos-ec')
* @phys_name: name of physical comms layer (e.g. 'i2c-4')
* @dev: Device pointer for physical comms device
* @vdev: Device pointer for virtual comms device
* @cdev: Character device structure for virtual comms device
* @was_wake_device: true if this device was set to wake the system from
* sleep at the last suspend
* @cmd_readmem: direct read of the EC memory-mapped region, if supported
@@ -74,6 +88,7 @@ struct cros_ec_command {
*
* @priv: Private data
* @irq: Interrupt to use
* @id: Device id
* @din: input buffer (for data from EC)
* @dout: output buffer (for data to EC)
* \note
@@ -85,41 +100,72 @@ struct cros_ec_command {
* to using dword.
* @din_size: size of din buffer to allocate (zero to use static din)
* @dout_size: size of dout buffer to allocate (zero to use static dout)
* @parent: pointer to parent device (e.g. i2c or spi device)
* @wake_enabled: true if this device can wake the system from sleep
* @cmd_xfer: send command to EC and get response
* Returns the number of bytes received if the communication succeeded, but
* that doesn't mean the EC was happy with the command. The caller
* should check msg.result for the EC's result code.
* @pkt_xfer: send packet to EC and get response
* @lock: one transaction at a time
*/
struct cros_ec_device {
/* These are used by other drivers that want to talk to the EC */
const char *ec_name;
const char *phys_name;
struct device *dev;
struct device *vdev;
struct cdev cdev;
bool was_wake_device;
struct class *cros_class;
int (*cmd_readmem)(struct cros_ec_device *ec, unsigned int offset,
unsigned int bytes, void *dest);
/* These are used to implement the platform-specific interface */
u16 max_request;
u16 max_response;
u16 max_passthru;
u16 proto_version;
void *priv;
int irq;
uint8_t *din;
uint8_t *dout;
u8 *din;
u8 *dout;
int din_size;
int dout_size;
struct device *parent;
bool wake_enabled;
int (*cmd_xfer)(struct cros_ec_device *ec,
struct cros_ec_command *msg);
int (*pkt_xfer)(struct cros_ec_device *ec,
struct cros_ec_command *msg);
struct mutex lock;
};
/* struct cros_ec_platform - ChromeOS EC platform information
*
* @ec_name: name of EC device (e.g. 'cros-ec', 'cros-pd', ...)
* used in /dev/ and sysfs.
* @cmd_offset: offset to apply for each command. Set when
* registering a devicde behind another one.
*/
struct cros_ec_platform {
const char *ec_name;
u16 cmd_offset;
};
/*
* struct cros_ec_dev - ChromeOS EC device entry point
*
* @class_dev: Device structure used in sysfs
* @cdev: Character device structure in /dev
* @ec_dev: cros_ec_device structure to talk to the physical device
* @dev: pointer to the platform device
* @cmd_offset: offset to apply for each command.
*/
struct cros_ec_dev {
struct device class_dev;
struct cdev cdev;
struct cros_ec_device *ec_dev;
struct device *dev;
u16 cmd_offset;
};
/**
* cros_ec_suspend - Handle a suspend operation for the ChromeOS EC device
*
@@ -198,4 +244,16 @@ int cros_ec_remove(struct cros_ec_device *ec_dev);
*/
int cros_ec_register(struct cros_ec_device *ec_dev);
/**
* cros_ec_register - Query the protocol version supported by the ChromeOS EC
*
* @ec_dev: Device to register
* @return 0 if ok, -ve on error
*/
int cros_ec_query_all(struct cros_ec_device *ec_dev);
/* sysfs stuff */
extern struct attribute_group cros_ec_attr_group;
extern struct attribute_group cros_ec_lightbar_attr_group;
#endif /* __LINUX_MFD_CROS_EC_H */

277
include/linux/mfd/cros_ec_commands.h
View File

@@ -515,7 +515,7 @@ struct ec_host_response {
/*
* Notes on commands:
*
* Each command is an 8-byte command value. Commands which take params or
* Each command is an 16-bit command value. Commands which take params or
* return response data specify structs for that data. If no struct is
* specified, the command does not input or output data, respectively.
* Parameter/response length is implicit in the structs. Some underlying
@@ -966,7 +966,7 @@ struct rgb_s {
/* List of tweakable parameters. NOTE: It's __packed so it can be sent in a
* host command, but the alignment is the same regardless. Keep it that way.
*/
struct lightbar_params {
struct lightbar_params_v0 {
/* Timing */
int32_t google_ramp_up;
int32_t google_ramp_down;
@@ -1000,32 +1000,81 @@ struct lightbar_params {
struct rgb_s color[8]; /* 0-3 are Google colors */
} __packed;
struct lightbar_params_v1 {
/* Timing */
int32_t google_ramp_up;
int32_t google_ramp_down;
int32_t s3s0_ramp_up;
int32_t s0_tick_delay[2]; /* AC=0/1 */
int32_t s0a_tick_delay[2]; /* AC=0/1 */
int32_t s0s3_ramp_down;
int32_t s3_sleep_for;
int32_t s3_ramp_up;
int32_t s3_ramp_down;
int32_t tap_tick_delay;
int32_t tap_display_time;
/* Tap-for-battery params */
uint8_t tap_pct_red;
uint8_t tap_pct_green;
uint8_t tap_seg_min_on;
uint8_t tap_seg_max_on;
uint8_t tap_seg_osc;
uint8_t tap_idx[3];
/* Oscillation */
uint8_t osc_min[2]; /* AC=0/1 */
uint8_t osc_max[2]; /* AC=0/1 */
uint8_t w_ofs[2]; /* AC=0/1 */
/* Brightness limits based on the backlight and AC. */
uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
uint8_t bright_bl_on_min[2]; /* AC=0/1 */
uint8_t bright_bl_on_max[2]; /* AC=0/1 */
/* Battery level thresholds */
uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
/* Map [AC][battery_level] to color index */
uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
/* Color palette */
struct rgb_s color[8]; /* 0-3 are Google colors */
} __packed;
struct ec_params_lightbar {
uint8_t cmd; /* Command (see enum lightbar_command) */
union {
struct {
/* no args */
} dump, off, on, init, get_seq, get_params, version;
} dump, off, on, init, get_seq, get_params_v0, get_params_v1,
version, get_brightness, get_demo;
struct num {
struct {
uint8_t num;
} brightness, seq, demo;
} set_brightness, seq, demo;
struct reg {
struct {
uint8_t ctrl, reg, value;
} reg;
struct rgb {
struct {
uint8_t led, red, green, blue;
} rgb;
} set_rgb;
struct lightbar_params set_params;
struct {
uint8_t led;
} get_rgb;
struct lightbar_params_v0 set_params_v0;
struct lightbar_params_v1 set_params_v1;
};
} __packed;
struct ec_response_lightbar {
union {
struct dump {
struct {
struct {
uint8_t reg;
uint8_t ic0;
@@ -1033,20 +1082,26 @@ struct ec_response_lightbar {
} vals[23];
} dump;
struct get_seq {
struct {
uint8_t num;
} get_seq;
} get_seq, get_brightness, get_demo;
struct lightbar_params get_params;
struct lightbar_params_v0 get_params_v0;
struct lightbar_params_v1 get_params_v1;
struct version {
struct {
uint32_t num;
uint32_t flags;
} version;
struct {
uint8_t red, green, blue;
} get_rgb;
struct {
/* no return params */
} off, on, init, brightness, seq, reg, rgb, demo, set_params;
} off, on, init, set_brightness, seq, reg, set_rgb,
demo, set_params_v0, set_params_v1;
};
} __packed;
@@ -1056,15 +1111,20 @@ enum lightbar_command {
LIGHTBAR_CMD_OFF = 1,
LIGHTBAR_CMD_ON = 2,
LIGHTBAR_CMD_INIT = 3,
LIGHTBAR_CMD_BRIGHTNESS = 4,
LIGHTBAR_CMD_SET_BRIGHTNESS = 4,
LIGHTBAR_CMD_SEQ = 5,
LIGHTBAR_CMD_REG = 6,
LIGHTBAR_CMD_RGB = 7,
LIGHTBAR_CMD_SET_RGB = 7,
LIGHTBAR_CMD_GET_SEQ = 8,
LIGHTBAR_CMD_DEMO = 9,
LIGHTBAR_CMD_GET_PARAMS = 10,
LIGHTBAR_CMD_SET_PARAMS = 11,
LIGHTBAR_CMD_GET_PARAMS_V0 = 10,
LIGHTBAR_CMD_SET_PARAMS_V0 = 11,
LIGHTBAR_CMD_VERSION = 12,
LIGHTBAR_CMD_GET_BRIGHTNESS = 13,
LIGHTBAR_CMD_GET_RGB = 14,
LIGHTBAR_CMD_GET_DEMO = 15,
LIGHTBAR_CMD_GET_PARAMS_V1 = 16,
LIGHTBAR_CMD_SET_PARAMS_V1 = 17,
LIGHTBAR_NUM_CMDS
};
@@ -1421,8 +1481,40 @@ struct ec_response_rtc {
/*****************************************************************************/
/* Port80 log access */
/* Maximum entries that can be read/written in a single command */
#define EC_PORT80_SIZE_MAX 32
/* Get last port80 code from previous boot */
#define EC_CMD_PORT80_LAST_BOOT 0x48
#define EC_CMD_PORT80_READ 0x48
enum ec_port80_subcmd {
EC_PORT80_GET_INFO = 0,
EC_PORT80_READ_BUFFER,
};
struct ec_params_port80_read {
uint16_t subcmd;
union {
struct {
uint32_t offset;
uint32_t num_entries;
} read_buffer;
};
} __packed;
struct ec_response_port80_read {
union {
struct {
uint32_t writes;
uint32_t history_size;
uint32_t last_boot;
} get_info;
struct {
uint16_t codes[EC_PORT80_SIZE_MAX];
} data;
};
} __packed;
struct ec_response_port80_last_boot {
uint16_t code;
@@ -1782,6 +1874,7 @@ struct ec_params_gpio_set {
/* Get GPIO value */
#define EC_CMD_GPIO_GET 0x93
/* Version 0 of input params and response */
struct ec_params_gpio_get {
char name[32];
} __packed;
@@ -1789,6 +1882,38 @@ struct ec_response_gpio_get {
uint8_t val;
} __packed;
/* Version 1 of input params and response */
struct ec_params_gpio_get_v1 {
uint8_t subcmd;
union {
struct {
char name[32];
} get_value_by_name;
struct {
uint8_t index;
} get_info;
};
} __packed;
struct ec_response_gpio_get_v1 {
union {
struct {
uint8_t val;
} get_value_by_name, get_count;
struct {
uint8_t val;
char name[32];
uint32_t flags;
} get_info;
};
} __packed;
enum gpio_get_subcmd {
EC_GPIO_GET_BY_NAME = 0,
EC_GPIO_GET_COUNT = 1,
EC_GPIO_GET_INFO = 2,
};
/*****************************************************************************/
/* I2C commands. Only available when flash write protect is unlocked. */
@@ -1857,13 +1982,21 @@ struct ec_params_charge_control {
/*****************************************************************************/
/*
* Cut off battery power output if the battery supports.
* Cut off battery power immediately or after the host has shut down.
*
* For unsupported battery, just don't implement this command and lets EC
* return EC_RES_INVALID_COMMAND.
* return EC_RES_INVALID_COMMAND if unsupported by a board/battery.
* EC_RES_SUCCESS if the command was successful.
* EC_RES_ERROR if the cut off command failed.
*/
#define EC_CMD_BATTERY_CUT_OFF 0x99
#define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN (1 << 0)
struct ec_params_battery_cutoff {
uint8_t flags;
} __packed;
/*****************************************************************************/
/* USB port mux control. */
@@ -2141,6 +2274,32 @@ struct ec_params_sb_wr_block {
uint16_t data[32];
} __packed;
/*****************************************************************************/
/* Battery vendor parameters
*
* Get or set vendor-specific parameters in the battery. Implementations may
* differ between boards or batteries. On a set operation, the response
* contains the actual value set, which may be rounded or clipped from the
* requested value.
*/
#define EC_CMD_BATTERY_VENDOR_PARAM 0xb4
enum ec_battery_vendor_param_mode {
BATTERY_VENDOR_PARAM_MODE_GET = 0,
BATTERY_VENDOR_PARAM_MODE_SET,
};
struct ec_params_battery_vendor_param {
uint32_t param;
uint32_t value;
uint8_t mode;
} __packed;
struct ec_response_battery_vendor_param {
uint32_t value;
} __packed;
/*****************************************************************************/
/* System commands */
@@ -2336,6 +2495,80 @@ struct ec_params_reboot_ec {
#endif /* !__ACPI__ */
/*****************************************************************************/
/*
* PD commands
*
* These commands are for PD MCU communication.
*/
/* EC to PD MCU exchange status command */
#define EC_CMD_PD_EXCHANGE_STATUS 0x100
/* Status of EC being sent to PD */
struct ec_params_pd_status {
int8_t batt_soc; /* battery state of charge */
} __packed;
/* Status of PD being sent back to EC */
struct ec_response_pd_status {
int8_t status; /* PD MCU status */
uint32_t curr_lim_ma; /* input current limit */
} __packed;
/* Set USB type-C port role and muxes */
#define EC_CMD_USB_PD_CONTROL 0x101
enum usb_pd_control_role {
USB_PD_CTRL_ROLE_NO_CHANGE = 0,
USB_PD_CTRL_ROLE_TOGGLE_ON = 1, /* == AUTO */
USB_PD_CTRL_ROLE_TOGGLE_OFF = 2,
USB_PD_CTRL_ROLE_FORCE_SINK = 3,
USB_PD_CTRL_ROLE_FORCE_SOURCE = 4,
};
enum usb_pd_control_mux {
USB_PD_CTRL_MUX_NO_CHANGE = 0,
USB_PD_CTRL_MUX_NONE = 1,
USB_PD_CTRL_MUX_USB = 2,
USB_PD_CTRL_MUX_DP = 3,
USB_PD_CTRL_MUX_DOCK = 4,
USB_PD_CTRL_MUX_AUTO = 5,
};
struct ec_params_usb_pd_control {
uint8_t port;
uint8_t role;
uint8_t mux;
} __packed;
/*****************************************************************************/
/*
* Passthru commands
*
* Some platforms have sub-processors chained to each other. For example.
*
* AP <--> EC <--> PD MCU
*
* The top 2 bits of the command number are used to indicate which device the
* command is intended for. Device 0 is always the device receiving the
* command; other device mapping is board-specific.
*
* When a device receives a command to be passed to a sub-processor, it passes
* it on with the device number set back to 0. This allows the sub-processor
* to remain blissfully unaware of whether the command originated on the next
* device up the chain, or was passed through from the AP.
*
* In the above example, if the AP wants to send command 0x0002 to the PD MCU,
* AP sends command 0x4002 to the EC
* EC sends command 0x0002 to the PD MCU
* EC forwards PD MCU response back to the AP
*/
/* Offset and max command number for sub-device n */
#define EC_CMD_PASSTHRU_OFFSET(n) (0x4000 * (n))
#define EC_CMD_PASSTHRU_MAX(n) (EC_CMD_PASSTHRU_OFFSET(n) + 0x3fff)
/*****************************************************************************/
/*
* Deprecated constants. These constants have been renamed for clarity. The