---

yaml --- r: 310255 b: refs/heads/master c: 8affaf5 h: refs/heads/master i: 310253: 5293125 310251: 501a6b0 310247: e30e974 310239: 11219bc v: v3
git-mirror · Apr 16, 2012 · d90f8a5 · d90f8a5
1 parent ec3d2d4
commit d90f8a5
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Showing 4 changed files with 54 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8f802da33a842bc9e511d2a9c8259fbee8a6d17e
+refs/heads/master: 8affaf5c7698c627b133bfcafd9869ef17faff31
diff --git a/trunk/drivers/video/exynos/exynos_dp_core.h b/trunk/drivers/video/exynos/exynos_dp_core.h
@@ -39,6 +39,7 @@ struct exynos_dp_device {
 void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable);
 void exynos_dp_stop_video(struct exynos_dp_device *dp);
 void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable);
+void exynos_dp_init_analog_param(struct exynos_dp_device *dp);
 void exynos_dp_init_interrupt(struct exynos_dp_device *dp);
 void exynos_dp_reset(struct exynos_dp_device *dp);
 void exynos_dp_config_interrupt(struct exynos_dp_device *dp);

diff --git a/trunk/drivers/video/exynos/exynos_dp_reg.c b/trunk/drivers/video/exynos/exynos_dp_reg.c
@@ -65,6 +65,28 @@ void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable)
 	writel(reg, dp->reg_base + EXYNOS_DP_LANE_MAP);
 }
 
+void exynos_dp_init_analog_param(struct exynos_dp_device *dp)
+{
+	u32 reg;
+
+	reg = TX_TERMINAL_CTRL_50_OHM;
+	writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_1);
+
+	reg = SEL_24M | TX_DVDD_BIT_1_0625V;
+	writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_2);
+
+	reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO;
+	writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_3);
+
+	reg = PD_RING_OSC | AUX_TERMINAL_CTRL_50_OHM |
+		TX_CUR1_2X | TX_CUR_8_MA;
+	writel(reg, dp->reg_base + EXYNOS_DP_PLL_FILTER_CTL_1);
+
+	reg = CH3_AMP_400_MV | CH2_AMP_400_MV |
+		CH1_AMP_400_MV | CH0_AMP_400_MV;
+	writel(reg, dp->reg_base + EXYNOS_DP_TX_AMP_TUNING_CTL);
+}
+
 void exynos_dp_init_interrupt(struct exynos_dp_device *dp)
 {
 	/* Set interrupt pin assertion polarity as high */
@@ -131,6 +153,7 @@ void exynos_dp_reset(struct exynos_dp_device *dp)
 
 	writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
 
+	exynos_dp_init_analog_param(dp);
 	exynos_dp_init_interrupt(dp);
 }
 

diff --git a/trunk/drivers/video/exynos/exynos_dp_reg.h b/trunk/drivers/video/exynos/exynos_dp_reg.h
@@ -24,6 +24,12 @@
 
 #define EXYNOS_DP_LANE_MAP			0x35C
 
+#define EXYNOS_DP_ANALOG_CTL_1			0x370
+#define EXYNOS_DP_ANALOG_CTL_2			0x374
+#define EXYNOS_DP_ANALOG_CTL_3			0x378
+#define EXYNOS_DP_PLL_FILTER_CTL_1		0x37C
+#define EXYNOS_DP_TX_AMP_TUNING_CTL		0x380
+
 #define EXYNOS_DP_AUX_HW_RETRY_CTL		0x390
 
 #define EXYNOS_DP_COMMON_INT_STA_1		0x3C4
@@ -166,6 +172,29 @@
 #define LANE0_MAP_LOGIC_LANE_2			(0x2 << 0)
 #define LANE0_MAP_LOGIC_LANE_3			(0x3 << 0)
 
+/* EXYNOS_DP_ANALOG_CTL_1 */
+#define TX_TERMINAL_CTRL_50_OHM			(0x1 << 4)
+
+/* EXYNOS_DP_ANALOG_CTL_2 */
+#define SEL_24M					(0x1 << 3)
+#define TX_DVDD_BIT_1_0625V			(0x4 << 0)
+
+/* EXYNOS_DP_ANALOG_CTL_3 */
+#define DRIVE_DVDD_BIT_1_0625V			(0x4 << 5)
+#define VCO_BIT_600_MICRO			(0x5 << 0)
+
+/* EXYNOS_DP_PLL_FILTER_CTL_1 */
+#define PD_RING_OSC				(0x1 << 6)
+#define AUX_TERMINAL_CTRL_50_OHM		(0x2 << 4)
+#define TX_CUR1_2X				(0x1 << 2)
+#define TX_CUR_8_MA				(0x2 << 0)
+
+/* EXYNOS_DP_TX_AMP_TUNING_CTL */
+#define CH3_AMP_400_MV				(0x0 << 24)
+#define CH2_AMP_400_MV				(0x0 << 16)
+#define CH1_AMP_400_MV				(0x0 << 8)
+#define CH0_AMP_400_MV				(0x0 << 0)
+
 /* EXYNOS_DP_AUX_HW_RETRY_CTL */
 #define AUX_BIT_PERIOD_EXPECTED_DELAY(x)	(((x) & 0x7) << 8)
 #define AUX_HW_RETRY_INTERVAL_MASK		(0x3 << 3)