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Commit 36af4ca7 authored by Jani Nikula's avatar Jani Nikula Committed by Daniel Vetter
Browse files

drm/dp: add eDP DPCD backlight control bit definitions 



Cc: Yetunde Adebisi <yetundex.adebisi@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarAnder Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent b110ef37

include/drm/drm_dp_helper.h

+36 −0
Original line number Diff line number Diff line
@@ -455,16 +455,52 @@ 
# define DP_EDP_14			    0x03



#define DP_EDP_GENERAL_CAP_1		    0x701

# define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP		(1 << 0)

# define DP_EDP_BACKLIGHT_PIN_ENABLE_CAP		(1 << 1)

# define DP_EDP_BACKLIGHT_AUX_ENABLE_CAP		(1 << 2)

# define DP_EDP_PANEL_SELF_TEST_PIN_ENABLE_CAP		(1 << 3)

# define DP_EDP_PANEL_SELF_TEST_AUX_ENABLE_CAP		(1 << 4)

# define DP_EDP_FRC_ENABLE_CAP				(1 << 5)

# define DP_EDP_COLOR_ENGINE_CAP			(1 << 6)

# define DP_EDP_SET_POWER_CAP				(1 << 7)



#define DP_EDP_BACKLIGHT_ADJUSTMENT_CAP     0x702

# define DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP	(1 << 0)

# define DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP	(1 << 1)

# define DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT		(1 << 2)

# define DP_EDP_BACKLIGHT_AUX_PWM_PRODUCT_CAP		(1 << 3)

# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_CAP	(1 << 4)

# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP		(1 << 5)

# define DP_EDP_DYNAMIC_BACKLIGHT_CAP			(1 << 6)

# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_CAP		(1 << 7)



#define DP_EDP_GENERAL_CAP_2		    0x703

# define DP_EDP_OVERDRIVE_ENGINE_ENABLED		(1 << 0)



#define DP_EDP_GENERAL_CAP_3		    0x704    /* eDP 1.4 */

# define DP_EDP_X_REGION_CAP_MASK			(0xf << 0)

# define DP_EDP_X_REGION_CAP_SHIFT			0

# define DP_EDP_Y_REGION_CAP_MASK			(0xf << 4)

# define DP_EDP_Y_REGION_CAP_SHIFT			4



#define DP_EDP_DISPLAY_CONTROL_REGISTER     0x720

# define DP_EDP_BACKLIGHT_ENABLE			(1 << 0)

# define DP_EDP_BLACK_VIDEO_ENABLE			(1 << 1)

# define DP_EDP_FRC_ENABLE				(1 << 2)

# define DP_EDP_COLOR_ENGINE_ENABLE			(1 << 3)

# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_ENABLE		(1 << 7)



#define DP_EDP_BACKLIGHT_MODE_SET_REGISTER  0x721

# define DP_EDP_BACKLIGHT_CONTROL_MODE_MASK		(3 << 0)

# define DP_EDP_BACKLIGHT_CONTROL_MODE_PWM		(0 << 0)

# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRESET		(1 << 0)

# define DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD		(2 << 0)

# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRODUCT		(3 << 0)

# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_ENABLE	(1 << 2)

# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE		(1 << 3)

# define DP_EDP_DYNAMIC_BACKLIGHT_ENABLE		(1 << 4)

# define DP_EDP_REGIONAL_BACKLIGHT_ENABLE		(1 << 5)

# define DP_EDP_UPDATE_REGION_BRIGHTNESS		(1 << 6) /* eDP 1.4 */



#define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB     0x722

#define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB     0x723