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mfd: cros_ec: rev cros_ec_commands.h

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Update cros_ec_commands.h to the latest version in the EC
firmware sources and add power domain and passthru commands.

Also, update lightbar to use new command names.

Signed-off-by: Stephen Barber <smbarber@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Stephen Barber 2015-06-09 13:04:43 +02:00 committed by Lee Jones
parent a841178445
commit 256ab950bd
2 changed files with 262 additions and 29 deletions
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14
drivers/platform/chrome/cros_ec_lightbar.c
View file

@ -197,8 +197,8 @@ static ssize_t brightness_store(struct device *dev,
return -ENOMEM;
param = (struct ec_params_lightbar *)msg->data;
param->cmd = LIGHTBAR_CMD_BRIGHTNESS;
param->brightness.num = val;
param->cmd = LIGHTBAR_CMD_SET_BRIGHTNESS;
param->set_brightness.num = val;
ret = lb_throttle();
if (ret)
goto exit;
@ -253,11 +253,11 @@ static ssize_t led_rgb_store(struct device *dev, struct device_attribute *attr,
if (i == 4) {
param = (struct ec_params_lightbar *)msg->data;
param->cmd = LIGHTBAR_CMD_RGB;
param->rgb.led = val[0];
param->rgb.red = val[1];
param->rgb.green = val[2];
param->rgb.blue = val[3];
param->cmd = LIGHTBAR_CMD_SET_RGB;
param->set_rgb.led = val[0];
param->set_rgb.red = val[1];
param->set_rgb.green = val[2];
param->set_rgb.blue = val[3];
/*
* Throttle only the first of every four transactions,
* so that the user can update all four LEDs at once.

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