video: tegra20: provide driver support for the HDMI controller
Tegra platforms feature native HDMI support. Implement a driver to enable
functionality. This driver will initially support Tegra 2 and 3, with
future extensibility.
Co-developed-by: Jonas Schwöbel <jonasschwoebel@yahoo.de>
Signed-off-by: Jonas Schwöbel <jonasschwoebel@yahoo.de>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/arch/arm/include/asm/arch-tegra/dc.h b/arch/arm/include/asm/arch-tegra/dc.h
index ca37184..2fd0740 100644
--- a/arch/arm/include/asm/arch-tegra/dc.h
+++ b/arch/arm/include/asm/arch-tegra/dc.h
@@ -448,6 +448,11 @@
#define LVS_OUTPUT_POLARITY_LOW BIT(28)
#define LSC0_OUTPUT_POLARITY_LOW BIT(24)
+/* DC_DISP_DISP_SIGNAL_OPTIONS0 0x400 */
+#define H_PULSE0_ENABLE BIT(8)
+#define H_PULSE1_ENABLE BIT(10)
+#define H_PULSE2_ENABLE BIT(12)
+
/* DC_DISP_DISP_WIN_OPTIONS 0x402 */
#define CURSOR_ENABLE BIT(16)
#define SOR_ENABLE BIT(25)
@@ -504,6 +509,22 @@
DATA_ORDER_BLUE_RED,
};
+/* DC_DISP_DISP_COLOR_CONTROL 0x430 */
+#define DITHER_CONTROL_DISABLE (0 << 8)
+#define DITHER_CONTROL_ORDERED (2 << 8)
+#define DITHER_CONTROL_ERRDIFF (3 << 8)
+enum {
+ BASE_COLOR_SIZE_666,
+ BASE_COLOR_SIZE_111,
+ BASE_COLOR_SIZE_222,
+ BASE_COLOR_SIZE_333,
+ BASE_COLOR_SIZE_444,
+ BASE_COLOR_SIZE_555,
+ BASE_COLOR_SIZE_565,
+ BASE_COLOR_SIZE_332,
+ BASE_COLOR_SIZE_888,
+};
+
/* DC_DISP_DATA_ENABLE_OPTIONS 0x432 */
#define DE_SELECT_SHIFT 0
#define DE_SELECT_MASK (0x3 << DE_SELECT_SHIFT)
@@ -570,8 +591,27 @@
#define V_DDA_INC_SHIFT 16
#define V_DDA_INC_MASK (0xFFFF << V_DDA_INC_SHIFT)
+#define DC_POLL_TIMEOUT_MS 50
+#define DC_N_WINDOWS 5
+#define DC_REG_SAVE_SPACE (DC_N_WINDOWS + 5)
+
+#define PULSE_MODE_NORMAL (0 << 3)
+#define PULSE_MODE_ONE_CLOCK (1 << 3)
+#define PULSE_POLARITY_HIGH (0 << 4)
+#define PULSE_POLARITY_LOW (1 << 4)
+#define PULSE_QUAL_ALWAYS (0 << 6)
+#define PULSE_QUAL_VACTIVE (2 << 6)
+#define PULSE_QUAL_VACTIVE1 (3 << 6)
+#define PULSE_LAST_START_A (0 << 8)
+#define PULSE_LAST_END_A (1 << 8)
+#define PULSE_LAST_START_B (2 << 8)
+#define PULSE_LAST_END_B (3 << 8)
+#define PULSE_LAST_START_C (4 << 8)
+#define PULSE_LAST_END_C (5 << 8)
+#define PULSE_LAST_START_D (6 << 8)
+#define PULSE_LAST_END_D (7 << 8)
+
-#define DC_POLL_TIMEOUT_MS 50
-#define DC_N_WINDOWS 5
-#define DC_REG_SAVE_SPACE (DC_N_WINDOWS + 5)
+#define PULSE_START(x) (((x) & 0xfff) << 0)
+#define PULSE_END(x) (((x) & 0xfff) << 16)
#endif /* __ASM_ARCH_TEGRA_DC_H */