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mfd: cros_ec: Add lightbar v2 API

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New API split commands, improve EC command latency.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Fabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Gwendal Grignou 2019-06-03 11:33:43 -07:00 committed by Lee Jones
parent 89193a04fc
commit de83db57d7
1 changed files with 120 additions and 4 deletions
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124
include/linux/mfd/cros_ec_commands.h
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@ -1658,7 +1658,10 @@ struct lightbar_params_v1 {
int32_t s3_sleep_for;
int32_t s3_ramp_up;
int32_t s3_ramp_down;
int32_t s5_ramp_up;
int32_t s5_ramp_down;
int32_t tap_tick_delay;
int32_t tap_gate_delay;
int32_t tap_display_time;
/* Tap-for-battery params */
@ -1686,11 +1689,82 @@ struct lightbar_params_v1 {
uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
/* s5: single color pulse on inhibited power-up */
uint8_t s5_idx;
/* Color palette */
struct rgb_s color[8]; /* 0-3 are Google colors */
} __ec_todo_packed;
/* Lightbar program */
/* Lightbar command params v2
* crbug.com/467716
*
* lightbar_parms_v1 was too big for i2c, therefore in v2, we split them up by
* logical groups to make it more manageable ( < 120 bytes).
*
* NOTE: Each of these groups must be less than 120 bytes.
*/
struct lightbar_params_v2_timing {
/* 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 s5_ramp_up;
int32_t s5_ramp_down;
int32_t tap_tick_delay;
int32_t tap_gate_delay;
int32_t tap_display_time;
} __ec_todo_packed;
struct lightbar_params_v2_tap {
/* 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];
} __ec_todo_packed;
struct lightbar_params_v2_oscillation {
/* 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 */
} __ec_todo_packed;
struct lightbar_params_v2_brightness {
/* 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 */
} __ec_todo_packed;
struct lightbar_params_v2_thresholds {
/* Battery level thresholds */
uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
} __ec_todo_packed;
struct lightbar_params_v2_colors {
/* 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 */
/* s5: single color pulse on inhibited power-up */
uint8_t s5_idx;
/* Color palette */
struct rgb_s color[8]; /* 0-3 are Google colors */
} __ec_todo_packed;
/* Lightbar program. */
#define EC_LB_PROG_LEN 192
struct lightbar_program {
uint8_t size;
@ -1704,7 +1778,10 @@ struct ec_params_lightbar {
* The following commands have no args:
*
* dump, off, on, init, get_seq, get_params_v0, get_params_v1,
* version, get_brightness, get_demo, suspend, resume
* version, get_brightness, get_demo, suspend, resume,
* get_params_v2_timing, get_params_v2_tap, get_params_v2_osc,
* get_params_v2_bright, get_params_v2_thlds,
* get_params_v2_colors
*
* Don't use an empty struct, because C++ hates that.
*/
@ -1731,6 +1808,14 @@ struct ec_params_lightbar {
struct lightbar_params_v0 set_params_v0;
struct lightbar_params_v1 set_params_v1;
struct lightbar_params_v2_timing set_v2par_timing;
struct lightbar_params_v2_tap set_v2par_tap;
struct lightbar_params_v2_oscillation set_v2par_osc;
struct lightbar_params_v2_brightness set_v2par_bright;
struct lightbar_params_v2_thresholds set_v2par_thlds;
struct lightbar_params_v2_colors set_v2par_colors;
struct lightbar_program set_program;
};
} __ec_todo_packed;
@ -1752,6 +1837,14 @@ struct ec_response_lightbar {
struct lightbar_params_v0 get_params_v0;
struct lightbar_params_v1 get_params_v1;
struct lightbar_params_v2_timing get_params_v2_timing;
struct lightbar_params_v2_tap get_params_v2_tap;
struct lightbar_params_v2_oscillation get_params_v2_osc;
struct lightbar_params_v2_brightness get_params_v2_bright;
struct lightbar_params_v2_thresholds get_params_v2_thlds;
struct lightbar_params_v2_colors get_params_v2_colors;
struct __ec_todo_unpacked {
uint32_t num;
uint32_t flags;
@ -1764,9 +1857,11 @@ struct ec_response_lightbar {
/*
* The following commands have no response:
*
* off, on, init, set_brightness, seq, reg, set_rgb,
* off, on, init, set_brightness, seq, reg, set_rgb, demo,
* set_params_v0, set_params_v1, set_program,
* manual_suspend_ctrl, suspend, resume
* manual_suspend_ctrl, suspend, resume, set_v2par_timing,
* set_v2par_tap, set_v2par_osc, set_v2par_bright,
* set_v2par_thlds, set_v2par_colors
*/
};
} __ec_todo_packed;
@ -1795,6 +1890,18 @@ enum lightbar_command {
LIGHTBAR_CMD_MANUAL_SUSPEND_CTRL = 19,
LIGHTBAR_CMD_SUSPEND = 20,
LIGHTBAR_CMD_RESUME = 21,
LIGHTBAR_CMD_GET_PARAMS_V2_TIMING = 22,
LIGHTBAR_CMD_SET_PARAMS_V2_TIMING = 23,
LIGHTBAR_CMD_GET_PARAMS_V2_TAP = 24,
LIGHTBAR_CMD_SET_PARAMS_V2_TAP = 25,
LIGHTBAR_CMD_GET_PARAMS_V2_OSCILLATION = 26,
LIGHTBAR_CMD_SET_PARAMS_V2_OSCILLATION = 27,
LIGHTBAR_CMD_GET_PARAMS_V2_BRIGHTNESS = 28,
LIGHTBAR_CMD_SET_PARAMS_V2_BRIGHTNESS = 29,
LIGHTBAR_CMD_GET_PARAMS_V2_THRESHOLDS = 30,
LIGHTBAR_CMD_SET_PARAMS_V2_THRESHOLDS = 31,
LIGHTBAR_CMD_GET_PARAMS_V2_COLORS = 32,
LIGHTBAR_CMD_SET_PARAMS_V2_COLORS = 33,
LIGHTBAR_NUM_CMDS
};
@ -1813,6 +1920,14 @@ enum ec_led_id {
EC_LED_ID_POWER_LED,
/* LED on power adapter or its plug */
EC_LED_ID_ADAPTER_LED,
/* LED to indicate left side */
EC_LED_ID_LEFT_LED,
/* LED to indicate right side */
EC_LED_ID_RIGHT_LED,
/* LED to indicate recovery mode with HW_REINIT */
EC_LED_ID_RECOVERY_HW_REINIT_LED,
/* LED to indicate sysrq debug mode. */
EC_LED_ID_SYSRQ_DEBUG_LED,
EC_LED_ID_COUNT
};
@ -1827,6 +1942,7 @@ enum ec_led_colors {
EC_LED_COLOR_BLUE,
EC_LED_COLOR_YELLOW,
EC_LED_COLOR_WHITE,
EC_LED_COLOR_AMBER,
EC_LED_COLOR_COUNT
};