diff options
Diffstat (limited to 'drivers/gpu/drm/amd/include/amd_acpi.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/amd_acpi.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/amd_acpi.h b/drivers/gpu/drm/amd/include/amd_acpi.h index 8980edfe5fa9..c72cbfe8f684 100644 --- a/drivers/gpu/drm/amd/include/amd_acpi.h +++ b/drivers/gpu/drm/amd/include/amd_acpi.h @@ -52,6 +52,30 @@ struct atif_sbios_requests { u8 backlight_level; /* panel backlight level (0-255) */ } __packed; +struct atif_qbtc_arguments { + u16 size; /* structure size in bytes (includes size field) */ + u8 requested_display; /* which display is requested */ +} __packed; + +#define ATIF_QBTC_MAX_DATA_POINTS 99 + +struct atif_qbtc_data_point { + u8 luminance; /* luminance in percent */ + u8 ipnut_signal; /* input signal in range 0-255 */ +} __packed; + +struct atif_qbtc_output { + u16 size; /* structure size in bytes (includes size field) */ + u16 flags; /* all zeroes */ + u8 error_code; /* error code */ + u8 ac_level; /* default brightness on AC power */ + u8 dc_level; /* default brightness on DC power */ + u8 min_input_signal; /* max input signal in range 0-255 */ + u8 max_input_signal; /* min input signal in range 0-255 */ + u8 number_of_points; /* number of data points */ + struct atif_qbtc_data_point data_points[ATIF_QBTC_MAX_DATA_POINTS]; +} __packed; + #define ATIF_NOTIFY_MASK 0x3 #define ATIF_NOTIFY_NONE 0 #define ATIF_NOTIFY_81 1 |