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From: Rahul T R <r-ravikumar@ti.com>
To: <dri-devel@lists.freedesktop.org>, <robh+dt@kernel.org>,
 <krzysztof.kozlowski+dt@linaro.org>, <tomi.valkeinen@ideasonboard.com>
CC: <andrzej.hajda@intel.com>, <narmstrong@baylibre.com>,
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 <devicetree@vger.kernel.org>, <vigneshr@ti.com>,
 <lee.jones@linaro.org>, Rahul T R <r-ravikumar@ti.com>
Subject: [PATCH v10 4/5] drm/bridge: cdns-dsi: Create a header file
Date: Mon, 2 Jan 2023 15:39:41 +0530
Message-ID: <20230102100942.1828-5-r-ravikumar@ti.com>
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Create a header file for cdns dsi and move
register offsets and structure to header,
to prepare for adding j721e wrapper support

Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 .../gpu/drm/bridge/cadence/cdns-dsi-core.c    | 446 +----------------
 .../gpu/drm/bridge/cadence/cdns-dsi-core.h    | 458 ++++++++++++++++++
 2 files changed, 459 insertions(+), 445 deletions(-)
 create mode 100644 drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h

diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
index 20bece84ff8c..cba91247ab26 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
@@ -6,10 +6,7 @@
  */
 
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_bridge.h>
 #include <drm/drm_drv.h>
-#include <drm/drm_mipi_dsi.h>
-#include <drm/drm_panel.h>
 #include <drm/drm_probe_helper.h>
 #include <video/mipi_display.h>
 
@@ -23,448 +20,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/reset.h>
 
-#include <linux/phy/phy.h>
-#include <linux/phy/phy-mipi-dphy.h>
-
-#define IP_CONF				0x0
-#define SP_HS_FIFO_DEPTH(x)		(((x) & GENMASK(30, 26)) >> 26)
-#define SP_LP_FIFO_DEPTH(x)		(((x) & GENMASK(25, 21)) >> 21)
-#define VRS_FIFO_DEPTH(x)		(((x) & GENMASK(20, 16)) >> 16)
-#define DIRCMD_FIFO_DEPTH(x)		(((x) & GENMASK(15, 13)) >> 13)
-#define SDI_IFACE_32			BIT(12)
-#define INTERNAL_DATAPATH_32		(0 << 10)
-#define INTERNAL_DATAPATH_16		(1 << 10)
-#define INTERNAL_DATAPATH_8		(3 << 10)
-#define INTERNAL_DATAPATH_SIZE		((x) & GENMASK(11, 10))
-#define NUM_IFACE(x)			((((x) & GENMASK(9, 8)) >> 8) + 1)
-#define MAX_LANE_NB(x)			(((x) & GENMASK(7, 6)) >> 6)
-#define RX_FIFO_DEPTH(x)		((x) & GENMASK(5, 0))
-
-#define MCTL_MAIN_DATA_CTL		0x4
-#define TE_MIPI_POLLING_EN		BIT(25)
-#define TE_HW_POLLING_EN		BIT(24)
-#define DISP_EOT_GEN			BIT(18)
-#define HOST_EOT_GEN			BIT(17)
-#define DISP_GEN_CHECKSUM		BIT(16)
-#define DISP_GEN_ECC			BIT(15)
-#define BTA_EN				BIT(14)
-#define READ_EN				BIT(13)
-#define REG_TE_EN			BIT(12)
-#define IF_TE_EN(x)			BIT(8 + (x))
-#define TVG_SEL				BIT(6)
-#define VID_EN				BIT(5)
-#define IF_VID_SELECT(x)		((x) << 2)
-#define IF_VID_SELECT_MASK		GENMASK(3, 2)
-#define IF_VID_MODE			BIT(1)
-#define LINK_EN				BIT(0)
-
-#define MCTL_MAIN_PHY_CTL		0x8
-#define HS_INVERT_DAT(x)		BIT(19 + ((x) * 2))
-#define SWAP_PINS_DAT(x)		BIT(18 + ((x) * 2))
-#define HS_INVERT_CLK			BIT(17)
-#define SWAP_PINS_CLK			BIT(16)
-#define HS_SKEWCAL_EN			BIT(15)
-#define WAIT_BURST_TIME(x)		((x) << 10)
-#define DATA_ULPM_EN(x)			BIT(6 + (x))
-#define CLK_ULPM_EN			BIT(5)
-#define CLK_CONTINUOUS			BIT(4)
-#define DATA_LANE_EN(x)			BIT((x) - 1)
-
-#define MCTL_MAIN_EN			0xc
-#define DATA_FORCE_STOP			BIT(17)
-#define CLK_FORCE_STOP			BIT(16)
-#define IF_EN(x)			BIT(13 + (x))
-#define DATA_LANE_ULPM_REQ(l)		BIT(9 + (l))
-#define CLK_LANE_ULPM_REQ		BIT(8)
-#define DATA_LANE_START(x)		BIT(4 + (x))
-#define CLK_LANE_EN			BIT(3)
-#define PLL_START			BIT(0)
-
-#define MCTL_DPHY_CFG0			0x10
-#define DPHY_C_RSTB			BIT(20)
-#define DPHY_D_RSTB(x)			GENMASK(15 + (x), 16)
-#define DPHY_PLL_PDN			BIT(10)
-#define DPHY_CMN_PDN			BIT(9)
-#define DPHY_C_PDN			BIT(8)
-#define DPHY_D_PDN(x)			GENMASK(3 + (x), 4)
-#define DPHY_ALL_D_PDN			GENMASK(7, 4)
-#define DPHY_PLL_PSO			BIT(1)
-#define DPHY_CMN_PSO			BIT(0)
-
-#define MCTL_DPHY_TIMEOUT1		0x14
-#define HSTX_TIMEOUT(x)			((x) << 4)
-#define HSTX_TIMEOUT_MAX		GENMASK(17, 0)
-#define CLK_DIV(x)			(x)
-#define CLK_DIV_MAX			GENMASK(3, 0)
-
-#define MCTL_DPHY_TIMEOUT2		0x18
-#define LPRX_TIMEOUT(x)			(x)
-
-#define MCTL_ULPOUT_TIME		0x1c
-#define DATA_LANE_ULPOUT_TIME(x)	((x) << 9)
-#define CLK_LANE_ULPOUT_TIME(x)		(x)
-
-#define MCTL_3DVIDEO_CTL		0x20
-#define VID_VSYNC_3D_EN			BIT(7)
-#define VID_VSYNC_3D_LR			BIT(5)
-#define VID_VSYNC_3D_SECOND_EN		BIT(4)
-#define VID_VSYNC_3DFORMAT_LINE		(0 << 2)
-#define VID_VSYNC_3DFORMAT_FRAME	(1 << 2)
-#define VID_VSYNC_3DFORMAT_PIXEL	(2 << 2)
-#define VID_VSYNC_3DMODE_OFF		0
-#define VID_VSYNC_3DMODE_PORTRAIT	1
-#define VID_VSYNC_3DMODE_LANDSCAPE	2
-
-#define MCTL_MAIN_STS			0x24
-#define MCTL_MAIN_STS_CTL		0x130
-#define MCTL_MAIN_STS_CLR		0x150
-#define MCTL_MAIN_STS_FLAG		0x170
-#define HS_SKEWCAL_DONE			BIT(11)
-#define IF_UNTERM_PKT_ERR(x)		BIT(8 + (x))
-#define LPRX_TIMEOUT_ERR		BIT(7)
-#define HSTX_TIMEOUT_ERR		BIT(6)
-#define DATA_LANE_RDY(l)		BIT(2 + (l))
-#define CLK_LANE_RDY			BIT(1)
-#define PLL_LOCKED			BIT(0)
-
-#define MCTL_DPHY_ERR			0x28
-#define MCTL_DPHY_ERR_CTL1		0x148
-#define MCTL_DPHY_ERR_CLR		0x168
-#define MCTL_DPHY_ERR_FLAG		0x188
-#define ERR_CONT_LP(x, l)		BIT(18 + ((x) * 4) + (l))
-#define ERR_CONTROL(l)			BIT(14 + (l))
-#define ERR_SYNESC(l)			BIT(10 + (l))
-#define ERR_ESC(l)			BIT(6 + (l))
-
-#define MCTL_DPHY_ERR_CTL2		0x14c
-#define ERR_CONT_LP_EDGE(x, l)		BIT(12 + ((x) * 4) + (l))
-#define ERR_CONTROL_EDGE(l)		BIT(8 + (l))
-#define ERR_SYN_ESC_EDGE(l)		BIT(4 + (l))
-#define ERR_ESC_EDGE(l)			BIT(0 + (l))
-
-#define MCTL_LANE_STS			0x2c
-#define PPI_C_TX_READY_HS		BIT(18)
-#define DPHY_PLL_LOCK			BIT(17)
-#define PPI_D_RX_ULPS_ESC(x)		(((x) & GENMASK(15, 12)) >> 12)
-#define LANE_STATE_START		0
-#define LANE_STATE_IDLE			1
-#define LANE_STATE_WRITE		2
-#define LANE_STATE_ULPM			3
-#define LANE_STATE_READ			4
-#define DATA_LANE_STATE(l, val)		\
-	(((val) >> (2 + 2 * (l) + ((l) ? 1 : 0))) & GENMASK((l) ? 1 : 2, 0))
-#define CLK_LANE_STATE_HS		2
-#define CLK_LANE_STATE(val)		((val) & GENMASK(1, 0))
-
-#define DSC_MODE_CTL			0x30
-#define DSC_MODE_EN			BIT(0)
-
-#define DSC_CMD_SEND			0x34
-#define DSC_SEND_PPS			BIT(0)
-#define DSC_EXECUTE_QUEUE		BIT(1)
-
-#define DSC_PPS_WRDAT			0x38
-
-#define DSC_MODE_STS			0x3c
-#define DSC_PPS_DONE			BIT(1)
-#define DSC_EXEC_DONE			BIT(2)
-
-#define CMD_MODE_CTL			0x70
-#define IF_LP_EN(x)			BIT(9 + (x))
-#define IF_VCHAN_ID(x, c)		((c) << ((x) * 2))
-
-#define CMD_MODE_CTL2			0x74
-#define TE_TIMEOUT(x)			((x) << 11)
-#define FILL_VALUE(x)			((x) << 3)
-#define ARB_IF_WITH_HIGHEST_PRIORITY(x)	((x) << 1)
-#define ARB_ROUND_ROBIN_MODE		BIT(0)
-
-#define CMD_MODE_STS			0x78
-#define CMD_MODE_STS_CTL		0x134
-#define CMD_MODE_STS_CLR		0x154
-#define CMD_MODE_STS_FLAG		0x174
-#define ERR_IF_UNDERRUN(x)		BIT(4 + (x))
-#define ERR_UNWANTED_READ		BIT(3)
-#define ERR_TE_MISS			BIT(2)
-#define ERR_NO_TE			BIT(1)
-#define CSM_RUNNING			BIT(0)
-
-#define DIRECT_CMD_SEND			0x80
-
-#define DIRECT_CMD_MAIN_SETTINGS	0x84
-#define TRIGGER_VAL(x)			((x) << 25)
-#define CMD_LP_EN			BIT(24)
-#define CMD_SIZE(x)			((x) << 16)
-#define CMD_VCHAN_ID(x)			((x) << 14)
-#define CMD_DATATYPE(x)			((x) << 8)
-#define CMD_LONG			BIT(3)
-#define WRITE_CMD			0
-#define READ_CMD			1
-#define TE_REQ				4
-#define TRIGGER_REQ			5
-#define BTA_REQ				6
-
-#define DIRECT_CMD_STS			0x88
-#define DIRECT_CMD_STS_CTL		0x138
-#define DIRECT_CMD_STS_CLR		0x158
-#define DIRECT_CMD_STS_FLAG		0x178
-#define RCVD_ACK_VAL(val)		((val) >> 16)
-#define RCVD_TRIGGER_VAL(val)		(((val) & GENMASK(14, 11)) >> 11)
-#define READ_COMPLETED_WITH_ERR		BIT(10)
-#define BTA_FINISHED			BIT(9)
-#define BTA_COMPLETED			BIT(8)
-#define TE_RCVD				BIT(7)
-#define TRIGGER_RCVD			BIT(6)
-#define ACK_WITH_ERR_RCVD		BIT(5)
-#define ACK_RCVD			BIT(4)
-#define READ_COMPLETED			BIT(3)
-#define TRIGGER_COMPLETED		BIT(2)
-#define WRITE_COMPLETED			BIT(1)
-#define SENDING_CMD			BIT(0)
-
-#define DIRECT_CMD_STOP_READ		0x8c
-
-#define DIRECT_CMD_WRDATA		0x90
-
-#define DIRECT_CMD_FIFO_RST		0x94
-
-#define DIRECT_CMD_RDDATA		0xa0
-
-#define DIRECT_CMD_RD_PROPS		0xa4
-#define RD_DCS				BIT(18)
-#define RD_VCHAN_ID(val)		(((val) >> 16) & GENMASK(1, 0))
-#define RD_SIZE(val)			((val) & GENMASK(15, 0))
-
-#define DIRECT_CMD_RD_STS		0xa8
-#define DIRECT_CMD_RD_STS_CTL		0x13c
-#define DIRECT_CMD_RD_STS_CLR		0x15c
-#define DIRECT_CMD_RD_STS_FLAG		0x17c
-#define ERR_EOT_WITH_ERR		BIT(8)
-#define ERR_MISSING_EOT			BIT(7)
-#define ERR_WRONG_LENGTH		BIT(6)
-#define ERR_OVERSIZE			BIT(5)
-#define ERR_RECEIVE			BIT(4)
-#define ERR_UNDECODABLE			BIT(3)
-#define ERR_CHECKSUM			BIT(2)
-#define ERR_UNCORRECTABLE		BIT(1)
-#define ERR_FIXED			BIT(0)
-
-#define VID_MAIN_CTL			0xb0
-#define VID_IGNORE_MISS_VSYNC		BIT(31)
-#define VID_FIELD_SW			BIT(28)
-#define VID_INTERLACED_EN		BIT(27)
-#define RECOVERY_MODE(x)		((x) << 25)
-#define RECOVERY_MODE_NEXT_HSYNC	0
-#define RECOVERY_MODE_NEXT_STOP_POINT	2
-#define RECOVERY_MODE_NEXT_VSYNC	3
-#define REG_BLKEOL_MODE(x)		((x) << 23)
-#define REG_BLKLINE_MODE(x)		((x) << 21)
-#define REG_BLK_MODE_NULL_PKT		0
-#define REG_BLK_MODE_BLANKING_PKT	1
-#define REG_BLK_MODE_LP			2
-#define SYNC_PULSE_HORIZONTAL		BIT(20)
-#define SYNC_PULSE_ACTIVE		BIT(19)
-#define BURST_MODE			BIT(18)
-#define VID_PIXEL_MODE_MASK		GENMASK(17, 14)
-#define VID_PIXEL_MODE_RGB565		(0 << 14)
-#define VID_PIXEL_MODE_RGB666_PACKED	(1 << 14)
-#define VID_PIXEL_MODE_RGB666		(2 << 14)
-#define VID_PIXEL_MODE_RGB888		(3 << 14)
-#define VID_PIXEL_MODE_RGB101010	(4 << 14)
-#define VID_PIXEL_MODE_RGB121212	(5 << 14)
-#define VID_PIXEL_MODE_YUV420		(8 << 14)
-#define VID_PIXEL_MODE_YUV422_PACKED	(9 << 14)
-#define VID_PIXEL_MODE_YUV422		(10 << 14)
-#define VID_PIXEL_MODE_YUV422_24B	(11 << 14)
-#define VID_PIXEL_MODE_DSC_COMP		(12 << 14)
-#define VID_DATATYPE(x)			((x) << 8)
-#define VID_VIRTCHAN_ID(iface, x)	((x) << (4 + (iface) * 2))
-#define STOP_MODE(x)			((x) << 2)
-#define START_MODE(x)			(x)
-
-#define VID_VSIZE1			0xb4
-#define VFP_LEN(x)			((x) << 12)
-#define VBP_LEN(x)			((x) << 6)
-#define VSA_LEN(x)			(x)
-
-#define VID_VSIZE2			0xb8
-#define VACT_LEN(x)			(x)
-
-#define VID_HSIZE1			0xc0
-#define HBP_LEN(x)			((x) << 16)
-#define HSA_LEN(x)			(x)
-
-#define VID_HSIZE2			0xc4
-#define HFP_LEN(x)			((x) << 16)
-#define HACT_LEN(x)			(x)
-
-#define VID_BLKSIZE1			0xcc
-#define BLK_EOL_PKT_LEN(x)		((x) << 15)
-#define BLK_LINE_EVENT_PKT_LEN(x)	(x)
-
-#define VID_BLKSIZE2			0xd0
-#define BLK_LINE_PULSE_PKT_LEN(x)	(x)
-
-#define VID_PKT_TIME			0xd8
-#define BLK_EOL_DURATION(x)		(x)
-
-#define VID_DPHY_TIME			0xdc
-#define REG_WAKEUP_TIME(x)		((x) << 17)
-#define REG_LINE_DURATION(x)		(x)
-
-#define VID_ERR_COLOR1			0xe0
-#define COL_GREEN(x)			((x) << 12)
-#define COL_RED(x)			(x)
-
-#define VID_ERR_COLOR2			0xe4
-#define PAD_VAL(x)			((x) << 12)
-#define COL_BLUE(x)			(x)
-
-#define VID_VPOS			0xe8
-#define LINE_VAL(val)			(((val) & GENMASK(14, 2)) >> 2)
-#define LINE_POS(val)			((val) & GENMASK(1, 0))
-
-#define VID_HPOS			0xec
-#define HORIZ_VAL(val)			(((val) & GENMASK(17, 3)) >> 3)
-#define HORIZ_POS(val)			((val) & GENMASK(2, 0))
-
-#define VID_MODE_STS			0xf0
-#define VID_MODE_STS_CTL		0x140
-#define VID_MODE_STS_CLR		0x160
-#define VID_MODE_STS_FLAG		0x180
-#define VSG_RECOVERY			BIT(10)
-#define ERR_VRS_WRONG_LEN		BIT(9)
-#define ERR_LONG_READ			BIT(8)
-#define ERR_LINE_WRITE			BIT(7)
-#define ERR_BURST_WRITE			BIT(6)
-#define ERR_SMALL_HEIGHT		BIT(5)
-#define ERR_SMALL_LEN			BIT(4)
-#define ERR_MISSING_VSYNC		BIT(3)
-#define ERR_MISSING_HSYNC		BIT(2)
-#define ERR_MISSING_DATA		BIT(1)
-#define VSG_RUNNING			BIT(0)
-
-#define VID_VCA_SETTING1		0xf4
-#define BURST_LP			BIT(16)
-#define MAX_BURST_LIMIT(x)		(x)
-
-#define VID_VCA_SETTING2		0xf8
-#define MAX_LINE_LIMIT(x)		((x) << 16)
-#define EXACT_BURST_LIMIT(x)		(x)
-
-#define TVG_CTL				0xfc
-#define TVG_STRIPE_SIZE(x)		((x) << 5)
-#define TVG_MODE_MASK			GENMASK(4, 3)
-#define TVG_MODE_SINGLE_COLOR		(0 << 3)
-#define TVG_MODE_VSTRIPES		(2 << 3)
-#define TVG_MODE_HSTRIPES		(3 << 3)
-#define TVG_STOPMODE_MASK		GENMASK(2, 1)
-#define TVG_STOPMODE_EOF		(0 << 1)
-#define TVG_STOPMODE_EOL		(1 << 1)
-#define TVG_STOPMODE_NOW		(2 << 1)
-#define TVG_RUN				BIT(0)
-
-#define TVG_IMG_SIZE			0x100
-#define TVG_NBLINES(x)			((x) << 16)
-#define TVG_LINE_SIZE(x)		(x)
-
-#define TVG_COLOR1			0x104
-#define TVG_COL1_GREEN(x)		((x) << 12)
-#define TVG_COL1_RED(x)			(x)
-
-#define TVG_COLOR1_BIS			0x108
-#define TVG_COL1_BLUE(x)		(x)
-
-#define TVG_COLOR2			0x10c
-#define TVG_COL2_GREEN(x)		((x) << 12)
-#define TVG_COL2_RED(x)			(x)
-
-#define TVG_COLOR2_BIS			0x110
-#define TVG_COL2_BLUE(x)		(x)
-
-#define TVG_STS				0x114
-#define TVG_STS_CTL			0x144
-#define TVG_STS_CLR			0x164
-#define TVG_STS_FLAG			0x184
-#define TVG_STS_RUNNING			BIT(0)
-
-#define STS_CTL_EDGE(e)			((e) << 16)
-
-#define DPHY_LANES_MAP			0x198
-#define DAT_REMAP_CFG(b, l)		((l) << ((b) * 8))
-
-#define DPI_IRQ_EN			0x1a0
-#define DPI_IRQ_CLR			0x1a4
-#define DPI_IRQ_STS			0x1a8
-#define PIXEL_BUF_OVERFLOW		BIT(0)
-
-#define DPI_CFG				0x1ac
-#define DPI_CFG_FIFO_DEPTH(x)		((x) >> 16)
-#define DPI_CFG_FIFO_LEVEL(x)		((x) & GENMASK(15, 0))
-
-#define TEST_GENERIC			0x1f0
-#define TEST_STATUS(x)			((x) >> 16)
-#define TEST_CTRL(x)			(x)
-
-#define ID_REG				0x1fc
-#define REV_VENDOR_ID(x)		(((x) & GENMASK(31, 20)) >> 20)
-#define REV_PRODUCT_ID(x)		(((x) & GENMASK(19, 12)) >> 12)
-#define REV_HW(x)			(((x) & GENMASK(11, 8)) >> 8)
-#define REV_MAJOR(x)			(((x) & GENMASK(7, 4)) >> 4)
-#define REV_MINOR(x)			((x) & GENMASK(3, 0))
-
-#define DSI_OUTPUT_PORT			0
-#define DSI_INPUT_PORT(inputid)		(1 + (inputid))
-
-#define DSI_HBP_FRAME_OVERHEAD		12
-#define DSI_HSA_FRAME_OVERHEAD		14
-#define DSI_HFP_FRAME_OVERHEAD		6
-#define DSI_HSS_VSS_VSE_FRAME_OVERHEAD	4
-#define DSI_BLANKING_FRAME_OVERHEAD	6
-#define DSI_NULL_FRAME_OVERHEAD		6
-#define DSI_EOT_PKT_SIZE		4
-
-struct cdns_dsi_output {
-	struct mipi_dsi_device *dev;
-	struct drm_panel *panel;
-	struct drm_bridge *bridge;
-	union phy_configure_opts phy_opts;
-};
-
-enum cdns_dsi_input_id {
-	CDNS_SDI_INPUT,
-	CDNS_DPI_INPUT,
-	CDNS_DSC_INPUT,
-};
-
-struct cdns_dsi_cfg {
-	unsigned int hfp;
-	unsigned int hsa;
-	unsigned int hbp;
-	unsigned int hact;
-	unsigned int htotal;
-};
-
-struct cdns_dsi_input {
-	enum cdns_dsi_input_id id;
-	struct drm_bridge bridge;
-};
-
-struct cdns_dsi {
-	struct mipi_dsi_host base;
-	void __iomem *regs;
-	struct cdns_dsi_input input;
-	struct cdns_dsi_output output;
-	unsigned int direct_cmd_fifo_depth;
-	unsigned int rx_fifo_depth;
-	struct completion direct_cmd_comp;
-	struct clk *dsi_p_clk;
-	struct reset_control *dsi_p_rst;
-	struct clk *dsi_sys_clk;
-	bool link_initialized;
-	bool phy_initialized;
-	struct phy *dphy;
-};
+#include "cdns-dsi-core.h"
 
 static inline struct cdns_dsi *input_to_dsi(struct cdns_dsi_input *input)
 {
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h
new file mode 100644
index 000000000000..65cc77f19b39
--- /dev/null
+++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.h
@@ -0,0 +1,458 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright: 2017 Cadence Design Systems, Inc.
+ *
+ * Author: Boris Brezillon <boris.brezillon@bootlin.com>
+ */
+
+#ifndef CDNS_DSI_H
+#define CDNS_DSI_H
+
+#include <drm/drm_bridge.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+
+#include <linux/phy/phy.h>
+#include <linux/phy/phy-mipi-dphy.h>
+
+#define IP_CONF				0x0
+#define SP_HS_FIFO_DEPTH(x)		(((x) & GENMASK(30, 26)) >> 26)
+#define SP_LP_FIFO_DEPTH(x)		(((x) & GENMASK(25, 21)) >> 21)
+#define VRS_FIFO_DEPTH(x)		(((x) & GENMASK(20, 16)) >> 16)
+#define DIRCMD_FIFO_DEPTH(x)		(((x) & GENMASK(15, 13)) >> 13)
+#define SDI_IFACE_32			BIT(12)
+#define INTERNAL_DATAPATH_32		(0 << 10)
+#define INTERNAL_DATAPATH_16		(1 << 10)
+#define INTERNAL_DATAPATH_8		(3 << 10)
+#define INTERNAL_DATAPATH_SIZE		((x) & GENMASK(11, 10))
+#define NUM_IFACE(x)			((((x) & GENMASK(9, 8)) >> 8) + 1)
+#define MAX_LANE_NB(x)			(((x) & GENMASK(7, 6)) >> 6)
+#define RX_FIFO_DEPTH(x)		((x) & GENMASK(5, 0))
+
+#define MCTL_MAIN_DATA_CTL		0x4
+#define TE_MIPI_POLLING_EN		BIT(25)
+#define TE_HW_POLLING_EN		BIT(24)
+#define DISP_EOT_GEN			BIT(18)
+#define HOST_EOT_GEN			BIT(17)
+#define DISP_GEN_CHECKSUM		BIT(16)
+#define DISP_GEN_ECC			BIT(15)
+#define BTA_EN				BIT(14)
+#define READ_EN				BIT(13)
+#define REG_TE_EN			BIT(12)
+#define IF_TE_EN(x)			BIT(8 + (x))
+#define TVG_SEL				BIT(6)
+#define VID_EN				BIT(5)
+#define IF_VID_SELECT(x)		((x) << 2)
+#define IF_VID_SELECT_MASK		GENMASK(3, 2)
+#define IF_VID_MODE			BIT(1)
+#define LINK_EN				BIT(0)
+
+#define MCTL_MAIN_PHY_CTL		0x8
+#define HS_INVERT_DAT(x)		BIT(19 + ((x) * 2))
+#define SWAP_PINS_DAT(x)		BIT(18 + ((x) * 2))
+#define HS_INVERT_CLK			BIT(17)
+#define SWAP_PINS_CLK			BIT(16)
+#define HS_SKEWCAL_EN			BIT(15)
+#define WAIT_BURST_TIME(x)		((x) << 10)
+#define DATA_ULPM_EN(x)			BIT(6 + (x))
+#define CLK_ULPM_EN			BIT(5)
+#define CLK_CONTINUOUS			BIT(4)
+#define DATA_LANE_EN(x)			BIT((x) - 1)
+
+#define MCTL_MAIN_EN			0xc
+#define DATA_FORCE_STOP			BIT(17)
+#define CLK_FORCE_STOP			BIT(16)
+#define IF_EN(x)			BIT(13 + (x))
+#define DATA_LANE_ULPM_REQ(l)		BIT(9 + (l))
+#define CLK_LANE_ULPM_REQ		BIT(8)
+#define DATA_LANE_START(x)		BIT(4 + (x))
+#define CLK_LANE_EN			BIT(3)
+#define PLL_START			BIT(0)
+
+#define MCTL_DPHY_CFG0			0x10
+#define DPHY_C_RSTB			BIT(20)
+#define DPHY_D_RSTB(x)			GENMASK(15 + (x), 16)
+#define DPHY_PLL_PDN			BIT(10)
+#define DPHY_CMN_PDN			BIT(9)
+#define DPHY_C_PDN			BIT(8)
+#define DPHY_D_PDN(x)			GENMASK(3 + (x), 4)
+#define DPHY_ALL_D_PDN			GENMASK(7, 4)
+#define DPHY_PLL_PSO			BIT(1)
+#define DPHY_CMN_PSO			BIT(0)
+
+#define MCTL_DPHY_TIMEOUT1		0x14
+#define HSTX_TIMEOUT(x)			((x) << 4)
+#define HSTX_TIMEOUT_MAX		GENMASK(17, 0)
+#define CLK_DIV(x)			(x)
+#define CLK_DIV_MAX			GENMASK(3, 0)
+
+#define MCTL_DPHY_TIMEOUT2		0x18
+#define LPRX_TIMEOUT(x)			(x)
+
+#define MCTL_ULPOUT_TIME		0x1c
+#define DATA_LANE_ULPOUT_TIME(x)	((x) << 9)
+#define CLK_LANE_ULPOUT_TIME(x)		(x)
+
+#define MCTL_3DVIDEO_CTL		0x20
+#define VID_VSYNC_3D_EN			BIT(7)
+#define VID_VSYNC_3D_LR			BIT(5)
+#define VID_VSYNC_3D_SECOND_EN		BIT(4)
+#define VID_VSYNC_3DFORMAT_LINE		(0 << 2)
+#define VID_VSYNC_3DFORMAT_FRAME	(1 << 2)
+#define VID_VSYNC_3DFORMAT_PIXEL	(2 << 2)
+#define VID_VSYNC_3DMODE_OFF		0
+#define VID_VSYNC_3DMODE_PORTRAIT	1
+#define VID_VSYNC_3DMODE_LANDSCAPE	2
+
+#define MCTL_MAIN_STS			0x24
+#define MCTL_MAIN_STS_CTL		0x130
+#define MCTL_MAIN_STS_CLR		0x150
+#define MCTL_MAIN_STS_FLAG		0x170
+#define HS_SKEWCAL_DONE			BIT(11)
+#define IF_UNTERM_PKT_ERR(x)		BIT(8 + (x))
+#define LPRX_TIMEOUT_ERR		BIT(7)
+#define HSTX_TIMEOUT_ERR		BIT(6)
+#define DATA_LANE_RDY(l)		BIT(2 + (l))
+#define CLK_LANE_RDY			BIT(1)
+#define PLL_LOCKED			BIT(0)
+
+#define MCTL_DPHY_ERR			0x28
+#define MCTL_DPHY_ERR_CTL1		0x148
+#define MCTL_DPHY_ERR_CLR		0x168
+#define MCTL_DPHY_ERR_FLAG		0x188
+#define ERR_CONT_LP(x, l)		BIT(18 + ((x) * 4) + (l))
+#define ERR_CONTROL(l)			BIT(14 + (l))
+#define ERR_SYNESC(l)			BIT(10 + (l))
+#define ERR_ESC(l)			BIT(6 + (l))
+
+#define MCTL_DPHY_ERR_CTL2		0x14c
+#define ERR_CONT_LP_EDGE(x, l)		BIT(12 + ((x) * 4) + (l))
+#define ERR_CONTROL_EDGE(l)		BIT(8 + (l))
+#define ERR_SYN_ESC_EDGE(l)		BIT(4 + (l))
+#define ERR_ESC_EDGE(l)			BIT(0 + (l))
+
+#define MCTL_LANE_STS			0x2c
+#define PPI_C_TX_READY_HS		BIT(18)
+#define DPHY_PLL_LOCK			BIT(17)
+#define PPI_D_RX_ULPS_ESC(x)		(((x) & GENMASK(15, 12)) >> 12)
+#define LANE_STATE_START		0
+#define LANE_STATE_IDLE			1
+#define LANE_STATE_WRITE		2
+#define LANE_STATE_ULPM			3
+#define LANE_STATE_READ			4
+#define DATA_LANE_STATE(l, val)		\
+	(((val) >> (2 + 2 * (l) + ((l) ? 1 : 0))) & GENMASK((l) ? 1 : 2, 0))
+#define CLK_LANE_STATE_HS		2
+#define CLK_LANE_STATE(val)		((val) & GENMASK(1, 0))
+
+#define DSC_MODE_CTL			0x30
+#define DSC_MODE_EN			BIT(0)
+
+#define DSC_CMD_SEND			0x34
+#define DSC_SEND_PPS			BIT(0)
+#define DSC_EXECUTE_QUEUE		BIT(1)
+
+#define DSC_PPS_WRDAT			0x38
+
+#define DSC_MODE_STS			0x3c
+#define DSC_PPS_DONE			BIT(1)
+#define DSC_EXEC_DONE			BIT(2)
+
+#define CMD_MODE_CTL			0x70
+#define IF_LP_EN(x)			BIT(9 + (x))
+#define IF_VCHAN_ID(x, c)		((c) << ((x) * 2))
+
+#define CMD_MODE_CTL2			0x74
+#define TE_TIMEOUT(x)			((x) << 11)
+#define FILL_VALUE(x)			((x) << 3)
+#define ARB_IF_WITH_HIGHEST_PRIORITY(x)	((x) << 1)
+#define ARB_ROUND_ROBIN_MODE		BIT(0)
+
+#define CMD_MODE_STS			0x78
+#define CMD_MODE_STS_CTL		0x134
+#define CMD_MODE_STS_CLR		0x154
+#define CMD_MODE_STS_FLAG		0x174
+#define ERR_IF_UNDERRUN(x)		BIT(4 + (x))
+#define ERR_UNWANTED_READ		BIT(3)
+#define ERR_TE_MISS			BIT(2)
+#define ERR_NO_TE			BIT(1)
+#define CSM_RUNNING			BIT(0)
+
+#define DIRECT_CMD_SEND			0x80
+
+#define DIRECT_CMD_MAIN_SETTINGS	0x84
+#define TRIGGER_VAL(x)			((x) << 25)
+#define CMD_LP_EN			BIT(24)
+#define CMD_SIZE(x)			((x) << 16)
+#define CMD_VCHAN_ID(x)			((x) << 14)
+#define CMD_DATATYPE(x)			((x) << 8)
+#define CMD_LONG			BIT(3)
+#define WRITE_CMD			0
+#define READ_CMD			1
+#define TE_REQ				4
+#define TRIGGER_REQ			5
+#define BTA_REQ				6
+
+#define DIRECT_CMD_STS			0x88
+#define DIRECT_CMD_STS_CTL		0x138
+#define DIRECT_CMD_STS_CLR		0x158
+#define DIRECT_CMD_STS_FLAG		0x178
+#define RCVD_ACK_VAL(val)		((val) >> 16)
+#define RCVD_TRIGGER_VAL(val)		(((val) & GENMASK(14, 11)) >> 11)
+#define READ_COMPLETED_WITH_ERR		BIT(10)
+#define BTA_FINISHED			BIT(9)
+#define BTA_COMPLETED			BIT(8)
+#define TE_RCVD				BIT(7)
+#define TRIGGER_RCVD			BIT(6)
+#define ACK_WITH_ERR_RCVD		BIT(5)
+#define ACK_RCVD			BIT(4)
+#define READ_COMPLETED			BIT(3)
+#define TRIGGER_COMPLETED		BIT(2)
+#define WRITE_COMPLETED			BIT(1)
+#define SENDING_CMD			BIT(0)
+
+#define DIRECT_CMD_STOP_READ		0x8c
+
+#define DIRECT_CMD_WRDATA		0x90
+
+#define DIRECT_CMD_FIFO_RST		0x94
+
+#define DIRECT_CMD_RDDATA		0xa0
+
+#define DIRECT_CMD_RD_PROPS		0xa4
+#define RD_DCS				BIT(18)
+#define RD_VCHAN_ID(val)		(((val) >> 16) & GENMASK(1, 0))
+#define RD_SIZE(val)			((val) & GENMASK(15, 0))
+
+#define DIRECT_CMD_RD_STS		0xa8
+#define DIRECT_CMD_RD_STS_CTL		0x13c
+#define DIRECT_CMD_RD_STS_CLR		0x15c
+#define DIRECT_CMD_RD_STS_FLAG		0x17c
+#define ERR_EOT_WITH_ERR		BIT(8)
+#define ERR_MISSING_EOT			BIT(7)
+#define ERR_WRONG_LENGTH		BIT(6)
+#define ERR_OVERSIZE			BIT(5)
+#define ERR_RECEIVE			BIT(4)
+#define ERR_UNDECODABLE			BIT(3)
+#define ERR_CHECKSUM			BIT(2)
+#define ERR_UNCORRECTABLE		BIT(1)
+#define ERR_FIXED			BIT(0)
+
+#define VID_MAIN_CTL			0xb0
+#define VID_IGNORE_MISS_VSYNC		BIT(31)
+#define VID_FIELD_SW			BIT(28)
+#define VID_INTERLACED_EN		BIT(27)
+#define RECOVERY_MODE(x)		((x) << 25)
+#define RECOVERY_MODE_NEXT_HSYNC	0
+#define RECOVERY_MODE_NEXT_STOP_POINT	2
+#define RECOVERY_MODE_NEXT_VSYNC	3
+#define REG_BLKEOL_MODE(x)		((x) << 23)
+#define REG_BLKLINE_MODE(x)		((x) << 21)
+#define REG_BLK_MODE_NULL_PKT		0
+#define REG_BLK_MODE_BLANKING_PKT	1
+#define REG_BLK_MODE_LP			2
+#define SYNC_PULSE_HORIZONTAL		BIT(20)
+#define SYNC_PULSE_ACTIVE		BIT(19)
+#define BURST_MODE			BIT(18)
+#define VID_PIXEL_MODE_MASK		GENMASK(17, 14)
+#define VID_PIXEL_MODE_RGB565		(0 << 14)
+#define VID_PIXEL_MODE_RGB666_PACKED	(1 << 14)
+#define VID_PIXEL_MODE_RGB666		(2 << 14)
+#define VID_PIXEL_MODE_RGB888		(3 << 14)
+#define VID_PIXEL_MODE_RGB101010	(4 << 14)
+#define VID_PIXEL_MODE_RGB121212	(5 << 14)
+#define VID_PIXEL_MODE_YUV420		(8 << 14)
+#define VID_PIXEL_MODE_YUV422_PACKED	(9 << 14)
+#define VID_PIXEL_MODE_YUV422		(10 << 14)
+#define VID_PIXEL_MODE_YUV422_24B	(11 << 14)
+#define VID_PIXEL_MODE_DSC_COMP		(12 << 14)
+#define VID_DATATYPE(x)			((x) << 8)
+#define VID_VIRTCHAN_ID(iface, x)	((x) << (4 + (iface) * 2))
+#define STOP_MODE(x)			((x) << 2)
+#define START_MODE(x)			(x)
+
+#define VID_VSIZE1			0xb4
+#define VFP_LEN(x)			((x) << 12)
+#define VBP_LEN(x)			((x) << 6)
+#define VSA_LEN(x)			(x)
+
+#define VID_VSIZE2			0xb8
+#define VACT_LEN(x)			(x)
+
+#define VID_HSIZE1			0xc0
+#define HBP_LEN(x)			((x) << 16)
+#define HSA_LEN(x)			(x)
+
+#define VID_HSIZE2			0xc4
+#define HFP_LEN(x)			((x) << 16)
+#define HACT_LEN(x)			(x)
+
+#define VID_BLKSIZE1			0xcc
+#define BLK_EOL_PKT_LEN(x)		((x) << 15)
+#define BLK_LINE_EVENT_PKT_LEN(x)	(x)
+
+#define VID_BLKSIZE2			0xd0
+#define BLK_LINE_PULSE_PKT_LEN(x)	(x)
+
+#define VID_PKT_TIME			0xd8
+#define BLK_EOL_DURATION(x)		(x)
+
+#define VID_DPHY_TIME			0xdc
+#define REG_WAKEUP_TIME(x)		((x) << 17)
+#define REG_LINE_DURATION(x)		(x)
+
+#define VID_ERR_COLOR1			0xe0
+#define COL_GREEN(x)			((x) << 12)
+#define COL_RED(x)			(x)
+
+#define VID_ERR_COLOR2			0xe4
+#define PAD_VAL(x)			((x) << 12)
+#define COL_BLUE(x)			(x)
+
+#define VID_VPOS			0xe8
+#define LINE_VAL(val)			(((val) & GENMASK(14, 2)) >> 2)
+#define LINE_POS(val)			((val) & GENMASK(1, 0))
+
+#define VID_HPOS			0xec
+#define HORIZ_VAL(val)			(((val) & GENMASK(17, 3)) >> 3)
+#define HORIZ_POS(val)			((val) & GENMASK(2, 0))
+
+#define VID_MODE_STS			0xf0
+#define VID_MODE_STS_CTL		0x140
+#define VID_MODE_STS_CLR		0x160
+#define VID_MODE_STS_FLAG		0x180
+#define VSG_RECOVERY			BIT(10)
+#define ERR_VRS_WRONG_LEN		BIT(9)
+#define ERR_LONG_READ			BIT(8)
+#define ERR_LINE_WRITE			BIT(7)
+#define ERR_BURST_WRITE			BIT(6)
+#define ERR_SMALL_HEIGHT		BIT(5)
+#define ERR_SMALL_LEN			BIT(4)
+#define ERR_MISSING_VSYNC		BIT(3)
+#define ERR_MISSING_HSYNC		BIT(2)
+#define ERR_MISSING_DATA		BIT(1)
+#define VSG_RUNNING			BIT(0)
+
+#define VID_VCA_SETTING1		0xf4
+#define BURST_LP			BIT(16)
+#define MAX_BURST_LIMIT(x)		(x)
+
+#define VID_VCA_SETTING2		0xf8
+#define MAX_LINE_LIMIT(x)		((x) << 16)
+#define EXACT_BURST_LIMIT(x)		(x)
+
+#define TVG_CTL				0xfc
+#define TVG_STRIPE_SIZE(x)		((x) << 5)
+#define TVG_MODE_MASK			GENMASK(4, 3)
+#define TVG_MODE_SINGLE_COLOR		(0 << 3)
+#define TVG_MODE_VSTRIPES		(2 << 3)
+#define TVG_MODE_HSTRIPES		(3 << 3)
+#define TVG_STOPMODE_MASK		GENMASK(2, 1)
+#define TVG_STOPMODE_EOF		(0 << 1)
+#define TVG_STOPMODE_EOL		(1 << 1)
+#define TVG_STOPMODE_NOW		(2 << 1)
+#define TVG_RUN				BIT(0)
+
+#define TVG_IMG_SIZE			0x100
+#define TVG_NBLINES(x)			((x) << 16)
+#define TVG_LINE_SIZE(x)		(x)
+
+#define TVG_COLOR1			0x104
+#define TVG_COL1_GREEN(x)		((x) << 12)
+#define TVG_COL1_RED(x)			(x)
+
+#define TVG_COLOR1_BIS			0x108
+#define TVG_COL1_BLUE(x)		(x)
+
+#define TVG_COLOR2			0x10c
+#define TVG_COL2_GREEN(x)		((x) << 12)
+#define TVG_COL2_RED(x)			(x)
+
+#define TVG_COLOR2_BIS			0x110
+#define TVG_COL2_BLUE(x)		(x)
+
+#define TVG_STS				0x114
+#define TVG_STS_CTL			0x144
+#define TVG_STS_CLR			0x164
+#define TVG_STS_FLAG			0x184
+#define TVG_STS_RUNNING			BIT(0)
+
+#define STS_CTL_EDGE(e)			((e) << 16)
+
+#define DPHY_LANES_MAP			0x198
+#define DAT_REMAP_CFG(b, l)		((l) << ((b) * 8))
+
+#define DPI_IRQ_EN			0x1a0
+#define DPI_IRQ_CLR			0x1a4
+#define DPI_IRQ_STS			0x1a8
+#define PIXEL_BUF_OVERFLOW		BIT(0)
+
+#define DPI_CFG				0x1ac
+#define DPI_CFG_FIFO_DEPTH(x)		((x) >> 16)
+#define DPI_CFG_FIFO_LEVEL(x)		((x) & GENMASK(15, 0))
+
+#define TEST_GENERIC			0x1f0
+#define TEST_STATUS(x)			((x) >> 16)
+#define TEST_CTRL(x)			(x)
+
+#define ID_REG				0x1fc
+#define REV_VENDOR_ID(x)		(((x) & GENMASK(31, 20)) >> 20)
+#define REV_PRODUCT_ID(x)		(((x) & GENMASK(19, 12)) >> 12)
+#define REV_HW(x)			(((x) & GENMASK(11, 8)) >> 8)
+#define REV_MAJOR(x)			(((x) & GENMASK(7, 4)) >> 4)
+#define REV_MINOR(x)			((x) & GENMASK(3, 0))
+
+#define DSI_OUTPUT_PORT			0
+#define DSI_INPUT_PORT(inputid)		(1 + (inputid))
+
+#define DSI_HBP_FRAME_OVERHEAD		12
+#define DSI_HSA_FRAME_OVERHEAD		14
+#define DSI_HFP_FRAME_OVERHEAD		6
+#define DSI_HSS_VSS_VSE_FRAME_OVERHEAD	4
+#define DSI_BLANKING_FRAME_OVERHEAD	6
+#define DSI_NULL_FRAME_OVERHEAD		6
+#define DSI_EOT_PKT_SIZE		4
+
+struct cdns_dsi_output {
+	struct mipi_dsi_device *dev;
+	struct drm_panel *panel;
+	struct drm_bridge *bridge;
+	union phy_configure_opts phy_opts;
+};
+
+enum cdns_dsi_input_id {
+	CDNS_SDI_INPUT,
+	CDNS_DPI_INPUT,
+	CDNS_DSC_INPUT,
+};
+
+struct cdns_dsi_cfg {
+	unsigned int hfp;
+	unsigned int hsa;
+	unsigned int hbp;
+	unsigned int hact;
+	unsigned int htotal;
+};
+
+struct cdns_dsi_input {
+	enum cdns_dsi_input_id id;
+	struct drm_bridge bridge;
+};
+
+struct cdns_dsi {
+	struct mipi_dsi_host base;
+	void __iomem *regs;
+	struct cdns_dsi_input input;
+	struct cdns_dsi_output output;
+	unsigned int direct_cmd_fifo_depth;
+	unsigned int rx_fifo_depth;
+	struct completion direct_cmd_comp;
+	struct clk *dsi_p_clk;
+	struct reset_control *dsi_p_rst;
+	struct clk *dsi_sys_clk;
+	bool link_initialized;
+	bool phy_initialized;
+	struct phy *dphy;
+};
+
+#endif /* !CDNS_DSI_H */