diff options
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/google/chromeec/acpi/superio.asl | 17 | ||||
| -rw-r--r-- | src/ec/google/chromeec/ec_commands.h | 51 |
2 files changed, 52 insertions, 16 deletions
diff --git a/src/ec/google/chromeec/acpi/superio.asl b/src/ec/google/chromeec/acpi/superio.asl index 4f7133288a..39ddd29bdd 100644 --- a/src/ec/google/chromeec/acpi/superio.asl +++ b/src/ec/google/chromeec/acpi/superio.asl @@ -29,8 +29,9 @@ * SIO_EC_HOST_ENABLE : Enable EC host command interface resources * EC_LPC_ADDR_HOST_DATA : EC host command interface data port * EC_LPC_ADDR_HOST_CMD : EC host command interface command port - * EC_LPC_ADDR_HOST_ARGS : EC host command arguments - * EC_LPC_ADDR_HOST_PARAM : EC host command parameter buffer + * EC_HOST_CMD_REGION0 : EC host command buffer + * EC_HOST_CMD_REGION1 : EC host command buffer + * EC_HOST_CMD_REGION_SIZE : EC host command buffer size */ // Scope is \_SB.PCI0.LPCB @@ -75,9 +76,8 @@ Device (SIO) { { FixedIO (EC_LPC_ADDR_HOST_DATA, 1) FixedIO (EC_LPC_ADDR_HOST_CMD, 1) - FixedIO (EC_LPC_ADDR_HOST_ARGS, 4) - FixedIO (EC_LPC_ADDR_HOST_PARAM, - EC_HOST_PARAM_SIZE) + FixedIO (EC_HOST_CMD_REGION0, EC_HOST_CMD_REGION_SIZE) + FixedIO (EC_HOST_CMD_REGION1, EC_HOST_CMD_REGION_SIZE) }) Name (_PRS, ResourceTemplate () @@ -85,9 +85,10 @@ Device (SIO) { StartDependentFn (0, 0) { FixedIO (EC_LPC_ADDR_HOST_DATA, 1) FixedIO (EC_LPC_ADDR_HOST_CMD, 1) - FixedIO (EC_LPC_ADDR_HOST_ARGS, 4) - FixedIO (EC_LPC_ADDR_HOST_PARAM, - EC_HOST_PARAM_SIZE) + FixedIO (EC_HOST_CMD_REGION0, + EC_HOST_CMD_REGION_SIZE) + FixedIO (EC_HOST_CMD_REGION1, + EC_HOST_CMD_REGION_SIZE) } EndDependentFn () }) diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h index 952615d768..a46b16a519 100644 --- a/src/ec/google/chromeec/ec_commands.h +++ b/src/ec/google/chromeec/ec_commands.h @@ -42,10 +42,16 @@ #define EC_LPC_ADDR_HOST_CMD 0x204 /* I/O addresses for host command args and params */ -#define EC_LPC_ADDR_HOST_ARGS 0x800 +#define EC_LPC_ADDR_HOST_ARGS 0x800 /* and 0x801, 0x802, 0x803 */ #define EC_LPC_ADDR_HOST_PARAM 0x804 #define EC_HOST_PARAM_SIZE 0x0fc /* Size of param area in bytes */ +/* The actual block is 0x800-0x8ff, but some BIOSes think it's 0x880-0x8ff + * and they tell the kernel that so we have to think of it as two parts. */ +#define EC_HOST_CMD_REGION0 0x800 +#define EC_HOST_CMD_REGION1 0x880 +#define EC_HOST_CMD_REGION_SIZE 0x80 + /* EC command register bit functions */ #define EC_LPC_CMDR_DATA (1 << 0) /* Data ready for host to read */ #define EC_LPC_CMDR_PENDING (1 << 1) /* Write pending to EC */ @@ -726,15 +732,44 @@ enum lightbar_command { /*****************************************************************************/ /* LED control commands */ -#define EC_CMD_LED_SET 0x29 +#define EC_CMD_LED_CONTROL 0x29 -#define EC_LED_FLAGS_AUTO (1 << 1) +enum ec_led_id { + EC_LED_ID_BATTERY_LED = 0, + EC_LED_ID_POWER_BUTTON_LED, + EC_LED_ID_ADAPTER_LED, +}; -struct ec_params_led_set { - uint8_t r; - uint8_t g; - uint8_t b; /* Used as yellow if there is no blue LED */ - uint8_t flags; +/* LED control flags */ +#define EC_LED_FLAGS_QUERY (1 << 0) /* Query LED capability only */ +#define EC_LED_FLAGS_AUTO (1 << 1) /* Switch LED back to automatic control */ + +enum ec_led_colors { + EC_LED_COLOR_RED = 0, + EC_LED_COLOR_GREEN, + EC_LED_COLOR_BLUE, + EC_LED_COLOR_YELLOW, + EC_LED_COLOR_WHITE, + + EC_LED_COLOR_COUNT +}; + +struct ec_params_led_control { + uint8_t led_id; /* Which LED to control */ + uint8_t flags; /* Control flags */ + + uint8_t brightness[EC_LED_COLOR_COUNT]; +} __packed; + +struct ec_response_led_control { + /* + * Available brightness value range. + * + * Range 0 means color channel not present. + * Range 1 means on/off control. + * Other values means the LED is control by PWM. + */ + uint8_t brightness_range[EC_LED_COLOR_COUNT]; } __packed; /*****************************************************************************/ |