summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
authorEugeni Dodonov <eugeni.dodonov@intel.com>2012-03-29 12:32:26 -0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-04-09 18:04:01 +0200
commit03f896a1aeff5bd7f47b6d24562af9fc671f30ed (patch)
treee692427b429e15eb8960f68db90b9b6c51ab36f9 /drivers/gpu/drm
parente411b2c116626e685fb96cad84a902a12b1689f5 (diff)
drm/i915: add definitions for DDI_BUF_CTL registers
There is one instance of those registers for each DDI port. v2: access registers via the DDI_BUF_CTL() macro Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5b1710100963..bcc76ce1afa6 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4086,4 +4086,27 @@
DP_TP_STATUS_B)
#define DP_TP_STATUS_AUTOTRAIN_DONE (1<<12)
+/* DDI Buffer Control */
+#define DDI_BUF_CTL_A 0x64000
+#define DDI_BUF_CTL_B 0x64100
+#define DDI_BUF_CTL(port) _PORT(port, \
+ DDI_BUF_CTL_A, \
+ DDI_BUF_CTL_B)
+#define DDI_BUF_CTL_ENABLE (1<<31)
+#define DDI_BUF_EMP_400MV_0DB_HSW (0<<24) /* Sel0 */
+#define DDI_BUF_EMP_400MV_3_5DB_HSW (1<<24) /* Sel1 */
+#define DDI_BUF_EMP_400MV_6DB_HSW (2<<24) /* Sel2 */
+#define DDI_BUF_EMP_400MV_9_5DB_HSW (3<<24) /* Sel3 */
+#define DDI_BUF_EMP_600MV_0DB_HSW (4<<24) /* Sel4 */
+#define DDI_BUF_EMP_600MV_3_5DB_HSW (5<<24) /* Sel5 */
+#define DDI_BUF_EMP_600MV_6DB_HSW (6<<24) /* Sel6 */
+#define DDI_BUF_EMP_800MV_0DB_HSW (7<<24) /* Sel7 */
+#define DDI_BUF_EMP_800MV_3_5DB_HSW (8<<24) /* Sel8 */
+#define DDI_BUF_EMP_MASK (0xf<<24)
+#define DDI_BUF_IS_IDLE (1<<7)
+#define DDI_PORT_WIDTH_X1 (0<<1)
+#define DDI_PORT_WIDTH_X2 (1<<1)
+#define DDI_PORT_WIDTH_X4 (3<<1)
+#define DDI_INIT_DISPLAY_DETECTED (1<<0)
+
#endif /* _I915_REG_H_ */