drm/vc4: hdmi: Support the BCM2711 HDMI controllers

Now that the driver is ready for it, let's bring in the HDMI controllers
variants for the BCM2711.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b540c7a9ebb7ad51da39271a8388b69c7e27e582.1599120059.git-series.maxime@cerno.tech

drivers/gpu/drm/vc4/vc4_hdmi.h

@@ -26,6 +26,13 @@ struct drm_display_mode;
 struct vc4_hdmi;
 struct vc4_hdmi_register;
 
+enum vc4_hdmi_phy_channel {
+	PHY_LANE_0 = 0,
+	PHY_LANE_1,
+	PHY_LANE_2,
+	PHY_LANE_CK,
+};
+
 struct vc4_hdmi_variant {
 	/* Encoder Type for that controller */
 	enum vc4_encoder_type encoder_type;
@@ -48,6 +55,13 @@ struct vc4_hdmi_variant {
 	/* Number of registers on that variant */
 	unsigned int num_registers;
 
+	/* BCM2711 Only.
+	 * The variants don't map the lane in the same order in the
+	 * PHY, so this is an array mapping the HDMI channel (index)
+	 * to the PHY lane (value).
+	 */
+	enum vc4_hdmi_phy_channel phy_lane_mapping[4];
+
 	/* Callback to get the resources (memory region, interrupts,
 	 * clocks, etc) for that variant.
 	 */
@@ -108,6 +122,20 @@ struct vc4_hdmi {
 	struct i2c_adapter *ddc;
 	void __iomem *hdmicore_regs;
 	void __iomem *hd_regs;
+
+	/* VC5 Only */
+	void __iomem *cec_regs;
+	/* VC5 Only */
+	void __iomem *csc_regs;
+	/* VC5 Only */
+	void __iomem *dvp_regs;
+	/* VC5 Only */
+	void __iomem *phy_regs;
+	/* VC5 Only */
+	void __iomem *ram_regs;
+	/* VC5 Only */
+	void __iomem *rm_regs;
+
 	int hpd_gpio;
 	bool hpd_active_low;
 
@@ -121,6 +149,8 @@ struct vc4_hdmi {
 	struct clk *audio_clock;
 	struct clk *pixel_bvb_clock;
 
+	struct reset_control *reset;
+
 	struct debugfs_regset32 hdmi_regset;
 	struct debugfs_regset32 hd_regset;
 };
@@ -145,4 +175,10 @@ void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
 void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
 void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
 
+void vc5_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
+		       struct drm_display_mode *mode);
+void vc5_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
+void vc5_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
+void vc5_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
+
 #endif /* _VC4_HDMI_H_ */

drivers/gpu/drm/vc4/vc4_hdmi_regs.h

@@ -9,6 +9,12 @@ enum vc4_hdmi_regs {
 	VC4_INVALID = 0,
 	VC4_HDMI,
 	VC4_HD,
+	VC5_CEC,
+	VC5_CSC,
+	VC5_DVP,
+	VC5_PHY,
+	VC5_RAM,
+	VC5_RM,
 };
 
 enum vc4_hdmi_field {
@@ -36,6 +42,7 @@ enum vc4_hdmi_field {
 	HDMI_CEC_TX_DATA_2,
 	HDMI_CEC_TX_DATA_3,
 	HDMI_CEC_TX_DATA_4,
+	HDMI_CLOCK_STOP,
 	HDMI_CORE_REV,
 	HDMI_CRP_CFG,
 	HDMI_CSC_12_11,
@@ -52,6 +59,7 @@ enum vc4_hdmi_field {
 	 */
 	HDMI_CTS_0,
 	HDMI_CTS_1,
+	HDMI_DVP_CTL,
 	HDMI_FIFO_CTL,
 	HDMI_FRAME_COUNT,
 	HDMI_HORZA,
@@ -84,10 +92,27 @@ enum vc4_hdmi_field {
 	HDMI_RAM_PACKET_CONFIG,
 	HDMI_RAM_PACKET_START,
 	HDMI_RAM_PACKET_STATUS,
+	HDMI_RM_CONTROL,
+	HDMI_RM_FORMAT,
+	HDMI_RM_OFFSET,
 	HDMI_SCHEDULER_CONTROL,
 	HDMI_SW_RESET_CONTROL,
+	HDMI_TX_PHY_CHANNEL_SWAP,
+	HDMI_TX_PHY_CLK_DIV,
 	HDMI_TX_PHY_CTL_0,
+	HDMI_TX_PHY_CTL_1,
+	HDMI_TX_PHY_CTL_2,
+	HDMI_TX_PHY_CTL_3,
+	HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1,
+	HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2,
+	HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4,
+	HDMI_TX_PHY_PLL_CFG,
+	HDMI_TX_PHY_PLL_CTL_0,
+	HDMI_TX_PHY_PLL_CTL_1,
+	HDMI_TX_PHY_POWERDOWN_CTL,
 	HDMI_TX_PHY_RESET_CTL,
+	HDMI_TX_PHY_TMDS_CLK_WORD_SEL,
+	HDMI_VEC_INTERFACE_XBAR,
 	HDMI_VERTA0,
 	HDMI_VERTA1,
 	HDMI_VERTB0,
@@ -110,6 +135,12 @@ struct vc4_hdmi_register {
 
 #define VC4_HD_REG(reg, offset)		_VC4_REG(VC4_HD, reg, offset)
 #define VC4_HDMI_REG(reg, offset)	_VC4_REG(VC4_HDMI, reg, offset)
+#define VC5_CEC_REG(reg, offset)	_VC4_REG(VC5_CEC, reg, offset)
+#define VC5_CSC_REG(reg, offset)	_VC4_REG(VC5_CSC, reg, offset)
+#define VC5_DVP_REG(reg, offset)	_VC4_REG(VC5_DVP, reg, offset)
+#define VC5_PHY_REG(reg, offset)	_VC4_REG(VC5_PHY, reg, offset)
+#define VC5_RAM_REG(reg, offset)	_VC4_REG(VC5_RAM, reg, offset)
+#define VC5_RM_REG(reg, offset)		_VC4_REG(VC5_RM, reg, offset)
 
 static const struct vc4_hdmi_register vc4_hdmi_fields[] = {
 	VC4_HD_REG(HDMI_M_CTL, 0x000c),
@@ -172,6 +203,158 @@ static const struct vc4_hdmi_register vc4_hdmi_fields[] = {
 	VC4_HDMI_REG(HDMI_RAM_PACKET_START, 0x0400),
 };
 
+static const struct vc4_hdmi_register vc5_hdmi_hdmi0_fields[] = {
+	VC4_HD_REG(HDMI_DVP_CTL, 0x0000),
+	VC4_HD_REG(HDMI_MAI_CTL, 0x0010),
+	VC4_HD_REG(HDMI_MAI_THR, 0x0014),
+	VC4_HD_REG(HDMI_MAI_FMT, 0x0018),
+	VC4_HD_REG(HDMI_MAI_DATA, 0x001c),
+	VC4_HD_REG(HDMI_MAI_SMP, 0x0020),
+	VC4_HD_REG(HDMI_VID_CTL, 0x0044),
+	VC4_HD_REG(HDMI_FRAME_COUNT, 0x0060),
+
+	VC4_HDMI_REG(HDMI_FIFO_CTL, 0x074),
+	VC4_HDMI_REG(HDMI_AUDIO_PACKET_CONFIG, 0x0b8),
+	VC4_HDMI_REG(HDMI_RAM_PACKET_CONFIG, 0x0bc),
+	VC4_HDMI_REG(HDMI_RAM_PACKET_STATUS, 0x0c4),
+	VC4_HDMI_REG(HDMI_CRP_CFG, 0x0c8),
+	VC4_HDMI_REG(HDMI_CTS_0, 0x0cc),
+	VC4_HDMI_REG(HDMI_CTS_1, 0x0d0),
+	VC4_HDMI_REG(HDMI_SCHEDULER_CONTROL, 0x0e0),
+	VC4_HDMI_REG(HDMI_HORZA, 0x0e4),
+	VC4_HDMI_REG(HDMI_HORZB, 0x0e8),
+	VC4_HDMI_REG(HDMI_VERTA0, 0x0ec),
+	VC4_HDMI_REG(HDMI_VERTB0, 0x0f0),
+	VC4_HDMI_REG(HDMI_VERTA1, 0x0f4),
+	VC4_HDMI_REG(HDMI_VERTB1, 0x0f8),
+	VC4_HDMI_REG(HDMI_MAI_CHANNEL_MAP, 0x09c),
+	VC4_HDMI_REG(HDMI_MAI_CONFIG, 0x0a0),
+	VC4_HDMI_REG(HDMI_HOTPLUG, 0x1a8),
+
+	VC5_DVP_REG(HDMI_CLOCK_STOP, 0x0bc),
+	VC5_DVP_REG(HDMI_VEC_INTERFACE_XBAR, 0x0f0),
+
+	VC5_PHY_REG(HDMI_TX_PHY_RESET_CTL, 0x000),
+	VC5_PHY_REG(HDMI_TX_PHY_POWERDOWN_CTL, 0x004),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_0, 0x008),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_1, 0x00c),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_2, 0x010),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_3, 0x014),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_0, 0x01c),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_1, 0x020),
+	VC5_PHY_REG(HDMI_TX_PHY_CLK_DIV, 0x028),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CFG, 0x034),
+	VC5_PHY_REG(HDMI_TX_PHY_TMDS_CLK_WORD_SEL, 0x044),
+	VC5_PHY_REG(HDMI_TX_PHY_CHANNEL_SWAP, 0x04c),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1, 0x050),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2, 0x054),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4, 0x05c),
+
+	VC5_RM_REG(HDMI_RM_CONTROL, 0x000),
+	VC5_RM_REG(HDMI_RM_OFFSET, 0x018),
+	VC5_RM_REG(HDMI_RM_FORMAT, 0x01c),
+
+	VC5_RAM_REG(HDMI_RAM_PACKET_START, 0x000),
+
+	VC5_CEC_REG(HDMI_CEC_CNTRL_1, 0x010),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_2, 0x014),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_3, 0x018),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_4, 0x01c),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_5, 0x020),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_1, 0x028),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_2, 0x02c),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_3, 0x030),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_4, 0x034),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_1, 0x038),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_2, 0x03c),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_3, 0x040),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_4, 0x044),
+
+	VC5_CSC_REG(HDMI_CSC_CTL, 0x000),
+	VC5_CSC_REG(HDMI_CSC_12_11, 0x004),
+	VC5_CSC_REG(HDMI_CSC_14_13, 0x008),
+	VC5_CSC_REG(HDMI_CSC_22_21, 0x00c),
+	VC5_CSC_REG(HDMI_CSC_24_23, 0x010),
+	VC5_CSC_REG(HDMI_CSC_32_31, 0x014),
+	VC5_CSC_REG(HDMI_CSC_34_33, 0x018),
+};
+
+static const struct vc4_hdmi_register vc5_hdmi_hdmi1_fields[] = {
+	VC4_HD_REG(HDMI_DVP_CTL, 0x0000),
+	VC4_HD_REG(HDMI_MAI_CTL, 0x0030),
+	VC4_HD_REG(HDMI_MAI_THR, 0x0034),
+	VC4_HD_REG(HDMI_MAI_FMT, 0x0038),
+	VC4_HD_REG(HDMI_MAI_DATA, 0x003c),
+	VC4_HD_REG(HDMI_MAI_SMP, 0x0040),
+	VC4_HD_REG(HDMI_VID_CTL, 0x0048),
+	VC4_HD_REG(HDMI_FRAME_COUNT, 0x0064),
+
+	VC4_HDMI_REG(HDMI_FIFO_CTL, 0x074),
+	VC4_HDMI_REG(HDMI_AUDIO_PACKET_CONFIG, 0x0b8),
+	VC4_HDMI_REG(HDMI_RAM_PACKET_CONFIG, 0x0bc),
+	VC4_HDMI_REG(HDMI_RAM_PACKET_STATUS, 0x0c4),
+	VC4_HDMI_REG(HDMI_CRP_CFG, 0x0c8),
+	VC4_HDMI_REG(HDMI_CTS_0, 0x0cc),
+	VC4_HDMI_REG(HDMI_CTS_1, 0x0d0),
+	VC4_HDMI_REG(HDMI_SCHEDULER_CONTROL, 0x0e0),
+	VC4_HDMI_REG(HDMI_HORZA, 0x0e4),
+	VC4_HDMI_REG(HDMI_HORZB, 0x0e8),
+	VC4_HDMI_REG(HDMI_VERTA0, 0x0ec),
+	VC4_HDMI_REG(HDMI_VERTB0, 0x0f0),
+	VC4_HDMI_REG(HDMI_VERTA1, 0x0f4),
+	VC4_HDMI_REG(HDMI_VERTB1, 0x0f8),
+	VC4_HDMI_REG(HDMI_MAI_CHANNEL_MAP, 0x09c),
+	VC4_HDMI_REG(HDMI_MAI_CONFIG, 0x0a0),
+	VC4_HDMI_REG(HDMI_HOTPLUG, 0x1a8),
+
+	VC5_DVP_REG(HDMI_CLOCK_STOP, 0x0bc),
+	VC5_DVP_REG(HDMI_VEC_INTERFACE_XBAR, 0x0f0),
+
+	VC5_PHY_REG(HDMI_TX_PHY_RESET_CTL, 0x000),
+	VC5_PHY_REG(HDMI_TX_PHY_POWERDOWN_CTL, 0x004),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_0, 0x008),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_1, 0x00c),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_2, 0x010),
+	VC5_PHY_REG(HDMI_TX_PHY_CTL_3, 0x014),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_0, 0x01c),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CTL_1, 0x020),
+	VC5_PHY_REG(HDMI_TX_PHY_CLK_DIV, 0x028),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CFG, 0x034),
+	VC5_PHY_REG(HDMI_TX_PHY_CHANNEL_SWAP, 0x04c),
+	VC5_PHY_REG(HDMI_TX_PHY_TMDS_CLK_WORD_SEL, 0x044),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_1, 0x050),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_2, 0x054),
+	VC5_PHY_REG(HDMI_TX_PHY_PLL_CALIBRATION_CONFIG_4, 0x05c),
+
+	VC5_RM_REG(HDMI_RM_CONTROL, 0x000),
+	VC5_RM_REG(HDMI_RM_OFFSET, 0x018),
+	VC5_RM_REG(HDMI_RM_FORMAT, 0x01c),
+
+	VC5_RAM_REG(HDMI_RAM_PACKET_START, 0x000),
+
+	VC5_CEC_REG(HDMI_CEC_CNTRL_1, 0x010),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_2, 0x014),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_3, 0x018),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_4, 0x01c),
+	VC5_CEC_REG(HDMI_CEC_CNTRL_5, 0x020),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_1, 0x028),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_2, 0x02c),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_3, 0x030),
+	VC5_CEC_REG(HDMI_CEC_TX_DATA_4, 0x034),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_1, 0x038),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_2, 0x03c),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_3, 0x040),
+	VC5_CEC_REG(HDMI_CEC_RX_DATA_4, 0x044),
+
+	VC5_CSC_REG(HDMI_CSC_CTL, 0x000),
+	VC5_CSC_REG(HDMI_CSC_12_11, 0x004),
+	VC5_CSC_REG(HDMI_CSC_14_13, 0x008),
+	VC5_CSC_REG(HDMI_CSC_22_21, 0x00c),
+	VC5_CSC_REG(HDMI_CSC_24_23, 0x010),
+	VC5_CSC_REG(HDMI_CSC_32_31, 0x014),
+	VC5_CSC_REG(HDMI_CSC_34_33, 0x018),
+};
+
 static inline
 void __iomem *__vc4_hdmi_get_field_base(struct vc4_hdmi *hdmi,
 					enum vc4_hdmi_regs reg)
@@ -183,6 +366,24 @@ void __iomem *__vc4_hdmi_get_field_base(struct vc4_hdmi *hdmi,
 	case VC4_HDMI:
 		return hdmi->hdmicore_regs;
 
+	case VC5_CSC:
+		return hdmi->csc_regs;
+
+	case VC5_CEC:
+		return hdmi->cec_regs;
+
+	case VC5_DVP:
+		return hdmi->dvp_regs;
+
+	case VC5_PHY:
+		return hdmi->phy_regs;
+
+	case VC5_RAM:
+		return hdmi->ram_regs;
+
+	case VC5_RM:
+		return hdmi->rm_regs;
+
 	default:
 		return NULL;
 	}

drivers/gpu/drm/vc4/vc4_regs.h

@@ -744,6 +744,8 @@
 # define VC4_HD_CSC_CTL_RGB2YCC			BIT(1)
 # define VC4_HD_CSC_CTL_ENABLE			BIT(0)
 
+# define VC4_DVP_HT_CLOCK_STOP_PIXEL		BIT(1)
+
 /* HVS display list information. */
 #define HVS_BOOTLOADER_DLIST_END                32