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platform/chrome: Update binary interface for EC-based watchdog

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Update structures and defines related to EC_CMD_HANG_DETECT
to allow usage of new EC-based watchdog.

Signed-off-by: Lukasz Majczak <lma@chromium.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20240126095721.782782-2-lma@chromium.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Lukasz Majczak 2024-01-26 09:57:19 +00:00 committed by Lee Jones
parent 6613476e22
commit 4d2ff655fb
1 changed files with 35 additions and 43 deletions
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78
include/linux/platform_data/cros_ec_commands.h
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@ -3961,60 +3961,52 @@ struct ec_response_i2c_passthru {
} __ec_align1;
/*****************************************************************************/
/* Power button hang detect */
/* AP hang detect */
#define EC_CMD_HANG_DETECT 0x009F
/* Reasons to start hang detection timer */
/* Power button pressed */
#define EC_HANG_START_ON_POWER_PRESS BIT(0)
#define EC_HANG_DETECT_MIN_TIMEOUT 5
#define EC_HANG_DETECT_MAX_TIMEOUT 65535
/* Lid closed */
#define EC_HANG_START_ON_LID_CLOSE BIT(1)
/* EC hang detect commands */
enum ec_hang_detect_cmds {
/* Reload AP hang detect timer. */
EC_HANG_DETECT_CMD_RELOAD = 0x0,
/* Lid opened */
#define EC_HANG_START_ON_LID_OPEN BIT(2)
/* Stop AP hang detect timer. */
EC_HANG_DETECT_CMD_CANCEL = 0x1,
/* Start of AP S3->S0 transition (booting or resuming from suspend) */
#define EC_HANG_START_ON_RESUME BIT(3)
/* Configure watchdog with given reboot timeout and
* cancel currently running AP hang detect timer.
*/
EC_HANG_DETECT_CMD_SET_TIMEOUT = 0x2,
/* Reasons to cancel hang detection */
/* Get last hang status - whether the AP boot was clear or not */
EC_HANG_DETECT_CMD_GET_STATUS = 0x3,
/* Power button released */
#define EC_HANG_STOP_ON_POWER_RELEASE BIT(8)
/* Any host command from AP received */
#define EC_HANG_STOP_ON_HOST_COMMAND BIT(9)
/* Stop on end of AP S0->S3 transition (suspending or shutting down) */
#define EC_HANG_STOP_ON_SUSPEND BIT(10)
/*
* If this flag is set, all the other fields are ignored, and the hang detect
* timer is started. This provides the AP a way to start the hang timer
* without reconfiguring any of the other hang detect settings. Note that
* you must previously have configured the timeouts.
*/
#define EC_HANG_START_NOW BIT(30)
/*
* If this flag is set, all the other fields are ignored (including
* EC_HANG_START_NOW). This provides the AP a way to stop the hang timer
* without reconfiguring any of the other hang detect settings.
*/
#define EC_HANG_STOP_NOW BIT(31)
/* Clear last hang status. Called when AP is rebooting/shutting down
* gracefully.
*/
EC_HANG_DETECT_CMD_CLEAR_STATUS = 0x4
};
struct ec_params_hang_detect {
/* Flags; see EC_HANG_* */
uint32_t flags;
uint16_t command; /* enum ec_hang_detect_cmds */
/* Timeout in seconds before generating reboot */
uint16_t reboot_timeout_sec;
} __ec_align2;
/* Timeout in msec before generating host event, if enabled */
uint16_t host_event_timeout_msec;
/* Timeout in msec before generating warm reboot, if enabled */
uint16_t warm_reboot_timeout_msec;
} __ec_align4;
/* Status codes that describe whether AP has boot normally or the hang has been
* detected and EC has reset AP
*/
enum ec_hang_detect_status {
EC_HANG_DETECT_AP_BOOT_NORMAL = 0x0,
EC_HANG_DETECT_AP_BOOT_EC_WDT = 0x1,
EC_HANG_DETECT_AP_BOOT_COUNT,
};
struct ec_response_hang_detect {
uint8_t status; /* enum ec_hang_detect_status */
} __ec_align1;
/*****************************************************************************/
/* Commands for battery charging */