drm/dp: add DPCD definitions from eDP 1.2

[karo-tx-linux.git] / include / drm / drm_dp_helper.h

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 7e25030a6aa296e0eae8968e784abf963b7b5aa3..a3ecaa06c9db8168372a95904aedb76bd4384dff 100644 (file)
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -101,8 +101,13 @@
 # define DP_I2C_SPEED_1M                   0x20
 
 #define DP_EDP_CONFIGURATION_CAP            0x00d   /* XXX 1.2? */
+# define DP_DPCD_DISPLAY_CONTROL_CAPABLE     (1 << 3) /* edp v1.2 or higher */
+
 #define DP_TRAINING_AUX_RD_INTERVAL         0x00e   /* XXX 1.2? */
 
+#define DP_SUPPORTED_LINK_RATES                    0x010 /* eDP 1.4 */
+# define DP_MAX_SUPPORTED_RATES                     8      /* 16-bit little-endian */
+
 /* Multiple stream transport */
 #define DP_FAUX_CAP                        0x020   /* 1.2 */
 # define DP_FAUX_CAP_1                     (1 << 0)
@@ -221,6 +226,8 @@
 # define DP_UP_REQ_EN                      (1 << 1)
 # define DP_UPSTREAM_IS_SRC                (1 << 2)
 
+#define DP_LINK_RATE_SET                   0x115   /* eDP 1.4 */
+
 #define DP_PSR_EN_CFG                      0x170   /* XXX 1.2? */
 # define DP_PSR_ENABLE                     (1 << 0)
 # define DP_PSR_MAIN_LINK_ACTIVE           (1 << 1)
@@ -332,6 +339,40 @@
 # define DP_SET_POWER_D3                    0x2
 # define DP_SET_POWER_MASK                  0x3
 
+#define DP_EDP_DPCD_REV                            0x700    /* eDP 1.2 */
+
+#define DP_EDP_GENERAL_CAP_1               0x701
+
+#define DP_EDP_BACKLIGHT_ADJUSTMENT_CAP     0x702
+
+#define DP_EDP_GENERAL_CAP_2               0x703
+
+#define DP_EDP_DISPLAY_CONTROL_REGISTER     0x720
+
+#define DP_EDP_BACKLIGHT_MODE_SET_REGISTER  0x721
+
+#define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB     0x722
+#define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB     0x723
+
+#define DP_EDP_PWMGEN_BIT_COUNT             0x724
+#define DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN     0x725
+#define DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX     0x726
+
+#define DP_EDP_BACKLIGHT_CONTROL_STATUS     0x727
+
+#define DP_EDP_BACKLIGHT_FREQ_SET           0x728
+
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MSB   0x72a
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_MID   0x72b
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MIN_LSB   0x72c
+
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MSB   0x72d
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_MID   0x72e
+#define DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB   0x72f
+
+#define DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET   0x732
+#define DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET   0x733
+
 #define DP_SIDEBAND_MSG_DOWN_REQ_BASE      0x1000   /* 1.2 MST */
 #define DP_SIDEBAND_MSG_UP_REP_BASE        0x1200   /* 1.2 MST */
 #define DP_SIDEBAND_MSG_DOWN_REP_BASE      0x1400   /* 1.2 MST */