[1/2] drm/dp: add eDP 1.2 display control DPCD register definitions

Commit Message

Jani Nikula Nov. 15, 2013, 1:01 p.m. UTC

Preparing for the future eDP panels.

Signed-off-by: Jani Nikula <[e-mail]>
---
 include/drm/drm_dp_helper.h |   29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

Comments

Thierry Reding Nov. 18, 2013, 2:11 p.m. UTC | #1

On Fri, Nov 15, 2013 at 03:01:50PM +0200, Jani Nikula wrote:
> Preparing for the future eDP panels.
> 
> Signed-off-by: Jani Nikula <[e-mail]>
> ---
>  include/drm/drm_dp_helper.h |   29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)

Reviewed-by: Thierry Reding <[e-mail]>

Patch

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index a92c375..e2dbde6 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -100,6 +100,9 @@ 
 # define DP_I2C_SPEED_1M		    0x20
 
 #define DP_EDP_CONFIGURATION_CAP            0x00d   /* XXX 1.2? */
+# define DP_ALTERNATE_SCRAMBLER_RESET_CAP   (1 << 0)
+# define DP_FRAMING_CHANGE_CAP              (1 << 1)
+# define DP_DPCD_DISPLAY_CONTROL_CAP        (1 << 3) /* eDP 1.2 */
 #define DP_TRAINING_AUX_RD_INTERVAL         0x00e   /* XXX 1.2? */
 
 /* Multiple stream transport */
@@ -291,6 +294,32 @@ 
 # define DP_SET_POWER_D0                    0x1
 # define DP_SET_POWER_D3                    0x2
 
+#define DP_EDP_REV                          0x700 /* eDP 1.2 */
+
+#define DP_EDP_GENERAL_CAPABILITY_REGISTER_1               0x701
+#define DP_EDP_BACKLIGHT_ADJUSTMENT_CAPABILITY_REGISTER    0x702
+#define DP_EDP_GENERAL_CAPABILITY_REGISTER_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_PSR_ERROR_STATUS                 0x2006  /* XXX 1.2? */
 # define DP_PSR_LINK_CRC_ERROR              (1 << 0)
 # define DP_PSR_RFB_STORAGE_ERROR           (1 << 1)