[PATCH v1 1/6] drm/tegra: dc: Expand available registers layouts

[Svyatoslav Ryhel]

Expand existing DC register definitions with additional fields in
preparation for adding the 8-bit CPU interface.

Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
---
 drivers/gpu/drm/tegra/dc.c |  3 ++-
 drivers/gpu/drm/tegra/dc.h | 54 ++++++++++++++++++++++++++++++++++----
 2 files changed, 51 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index b0bfa946e6979..5c67928bcabfa 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -2384,7 +2384,8 @@ static void tegra_crtc_atomic_enable(struct drm_crtc *crtc,
 
 	if (dc->rgb) {
 		/* XXX: parameterize? */
-		value = SC0_H_QUALIFIER_NONE | SC1_H_QUALIFIER_NONE;
+		value = SC0_H_QUALIFIER(SC_H_QUALIFIER_NONE) |
+			SC1_H_QUALIFIER(SC_H_QUALIFIER_NONE);
 		tegra_dc_writel(dc, value, DC_DISP_SHIFT_CLOCK_OPTIONS);
 	}
 
diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h
index 0cb0515968b35..5679e1ca0c2a5 100644
--- a/drivers/gpu/drm/tegra/dc.h
+++ b/drivers/gpu/drm/tegra/dc.h
@@ -274,8 +274,11 @@ int tegra_dc_rgb_exit(struct tegra_dc *dc);
 #define DC_COM_CRC_CHECKSUM			0x301
 #define DC_COM_PIN_OUTPUT_ENABLE(x) (0x302 + (x))
 #define DC_COM_PIN_OUTPUT_POLARITY(x) (0x306 + (x))
+#define LSC0_OUTPUT_POLARITY_LOW BIT(24)
 #define LVS_OUTPUT_POLARITY_LOW (1 << 28)
 #define LHS_OUTPUT_POLARITY_LOW (1 << 30)
+#define LSPI_OUTPUT_POLARITY_LOW BIT(8)
+#define LDC_OUTPUT_SELECT_V_PULSE1 BIT(14)
 #define DC_COM_PIN_OUTPUT_DATA(x) (0x30a + (x))
 #define DC_COM_PIN_INPUT_ENABLE(x) (0x30e + (x))
 #define DC_COM_PIN_INPUT_DATA(x) (0x312 + (x))
@@ -303,9 +306,15 @@ int tegra_dc_rgb_exit(struct tegra_dc *dc);
 #define  UNDERFLOW_REPORT_ENABLE (1 << 0)
 
 #define DC_DISP_DISP_SIGNAL_OPTIONS0		0x400
-#define H_PULSE0_ENABLE (1 <<  8)
-#define H_PULSE1_ENABLE (1 << 10)
-#define H_PULSE2_ENABLE (1 << 12)
+#define H_PULSE0_ENABLE				BIT(8)
+#define H_PULSE1_ENABLE				BIT(10)
+#define H_PULSE2_ENABLE				BIT(12)
+#define V_PULSE0_ENABLE				BIT(16)
+#define V_PULSE1_ENABLE				BIT(18)
+#define V_PULSE2_ENABLE				BIT(19)
+#define V_PULSE3_ENABLE				BIT(20)
+#define M0_ENABLE				BIT(24)
+#define M1_ENABLE				BIT(26)
 
 #define DC_DISP_DISP_SIGNAL_OPTIONS1		0x401
 
@@ -451,11 +460,30 @@ int tegra_dc_rgb_exit(struct tegra_dc *dc);
 #define BASE_COLOR_SIZE_888    (  8 << 0)
 #define BASE_COLOR_SIZE_101010 ( 10 << 0)
 #define BASE_COLOR_SIZE_121212 ( 12 << 0)
+#define DISP_COLOR_SWAP_BGR	BIT(16)
 #define CMU_ENABLE_ENABLE      (1 << 20)
 
 #define DC_DISP_SHIFT_CLOCK_OPTIONS		0x431
-#define  SC1_H_QUALIFIER_NONE	(1 << 16)
-#define  SC0_H_QUALIFIER_NONE	(1 <<  0)
+#define SC0_H_QUALIFIER(x)			(((x) & 0x7) <<  0)
+#define SC1_H_QUALIFIER(x)			(((x) & 0x7) << 16)
+enum {
+	SC_H_QUALIFIER_DISABLE,
+	SC_H_QUALIFIER_NONE,
+	SC_H_QUALIFIER_HACTIVE,
+	SC_H_QUALIFIER_EXT_HACTIVE,
+	SC_H_QUALIFIER_HPULSE,
+	SC_H_QUALIFIER_EXT_HPULSE,
+};
+#define SC0_V_QUALIFIER(x)			(((x) & 0x7) <<  3)
+#define SC1_V_QUALIFIER(x)			(((x) & 0x7) <<  19)
+enum {
+	SC_V_QUALIFIER_NONE,
+	SC_V_QUALIFIER_RSVD,
+	SC_V_QUALIFIER_VACTIVE,
+	SC_V_QUALIFIER_EXT_VACTIVE,
+	SC_V_QUALIFIER_VPULSE,
+	SC_V_QUALIFIER_EXT_VPULSE,
+};
 
 #define DC_DISP_DATA_ENABLE_OPTIONS		0x432
 #define DE_SELECT_ACTIVE_BLANK  (0 << 0)
@@ -493,6 +521,22 @@ int tegra_dc_rgb_exit(struct tegra_dc *dc);
 #define DC_DISP_CURSOR_POSITION_NS		0x441
 
 #define DC_DISP_INIT_SEQ_CONTROL		0x442
+#define SEND_INIT_SEQUENCE			BIT(0)
+#define INIT_SEQUENCE_MODE_SPI			BIT(1)
+#define INIT_SEQUENCE_MODE_PLCD			0x0
+#define INIT_SEQ_DC_SIGNAL_SHIFT		4
+#define INIT_SEQ_DC_SIGNAL_MASK			(0x7 << INIT_SEQ_DC_SIGNAL_SHIFT)
+enum {
+	NO_DC_SIGNAL,
+	DC_SIGNAL_VSYNC,
+	DC_SIGNAL_VPULSE0,
+	DC_SIGNAL_VPULSE1,
+	DC_SIGNAL_VPULSE2,
+	DC_SIGNAL_VPULSE3,
+};
+#define INIT_SEQ_DC_CONTROL_SHIFT		7
+#define FRAME_INIT_SEQ_CYCLES_SHIFT		8
+
 #define DC_DISP_SPI_INIT_SEQ_DATA_A		0x443
 #define DC_DISP_SPI_INIT_SEQ_DATA_B		0x444
 #define DC_DISP_SPI_INIT_SEQ_DATA_C		0x445
-- 
2.53.0