platform/msm_shared/include/mipi_dsi.h

/* Copyright (c) 2010-2015, 2018, The Linux Foundation. All rights reserved.
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 *       with the distribution.
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#ifndef _PLATFORM_MSM_SHARED_MIPI_DSI_H_
#define _PLATFORM_MSM_SHARED_MIPI_DSI_H_

#include <msm_panel.h>

#define PASS                        0
#define FAIL                        1

/*
 * DSI register offsets defined here are only used for non-MDSS targets.
 * For MDSS targets, all offset definitions are picked up from corresponding
 * target files.
 */
#if (DISPLAY_TYPE_MDSS == 0)
#define DSI_CLKOUT_TIMING_CTRL                REG_DSI(0x0C0)
#define DSI_SOFT_RESET                        REG_DSI(0x114)
#define DSIPHY_SW_RESET                       REG_DSI(0x128)
#define DSIPHY_PLL_RDY                        REG_DSI(0x280)
#define DSI_CLK_CTRL                          REG_DSI(0x118)
#define DSI_TRIG_CTRL                         REG_DSI(0x080)
#define DSI_COMMAND_MODE_DMA_CTRL             REG_DSI(0x038)
#define DSI_ERR_INT_MASK0                     REG_DSI(0x108)
#define DSI_INT_CTRL                          REG_DSI(0x10C)
#define DSI_CMD_MODE_DMA_SW_TRIGGER           REG_DSI(0x08C)
#define DSI_DMA_CMD_OFFSET                    REG_DSI(0x044)
#define DSI_DMA_CMD_LENGTH                    REG_DSI(0x048)
#define DSI_CTRL                              REG_DSI(0x000)
#define DSI_CMD_MODE_MDP_SW_TRIGGER           REG_DSI(0x090)
#endif

#define DSI_VIDEO_MODE_DONE_MASK              BIT(17)
#define DSI_VIDEO_MODE_DONE_AK                BIT(16)
#define DSI_VIDEO_MODE_DONE_STAT              BIT(16)

/**********************************************************
  DSI register configuration options
 **********************************************************/
#define MIPI_DSI_MRPS       0x04	/* Maximum Return Packet Size */
#define MIPI_DSI_REG_LEN    16	/* 4 x 4 bytes register */

#define TIMING_FLUSH		     0x1E4
#define TIMING_DB_MODE		     0x1E8

#define DSI_HW_REV_103			0x10030000	/* 8994 */
#define DSI_HW_REV_103_1		0x10030001	/* 8936/8939/8952 */
#define DSI_HW_REV_104_2		0x10040002	/* 8956 */
#define DSI_HW_REV_104			0x10040000	/* thulium */

#define DTYPE_GEN_WRITE2 0x23	/* 4th Byte is 0x80 */
#define DTYPE_GEN_LWRITE 0x29	/* 4th Byte is 0xc0 */
#define DTYPE_DCS_WRITE1 0x15	/* 4th Byte is 0x80 */

#define RDBK_DATA0 0x06C

#define MIPI_VIDEO_MODE	        1
#define MIPI_CMD_MODE           2

#define DSI_NON_BURST_SYNCH_PULSE       0
#define DSI_NON_BURST_SYNCH_EVENT       1
#define DSI_BURST_MODE                  2

#define DSI_RGB_SWAP_RGB                0
#define DSI_RGB_SWAP_RBG                1
#define DSI_RGB_SWAP_BGR                2
#define DSI_RGB_SWAP_BRG                3
#define DSI_RGB_SWAP_GRB                4
#define DSI_RGB_SWAP_GBR                5

#define DSI_VIDEO_DST_FORMAT_RGB565     0
#define DSI_VIDEO_DST_FORMAT_RGB666     1
#define DSI_VIDEO_DST_FORMAT_RGB666_LOOSE    2
#define DSI_VIDEO_DST_FORMAT_RGB888     3

#define DSI_CMD_DST_FORMAT_RGB111       0
#define DSI_CMD_DST_FORMAT_RGB332       3
#define DSI_CMD_DST_FORMAT_RGB444       4
#define DSI_CMD_DST_FORMAT_RGB565       6
#define DSI_CMD_DST_FORMAT_RGB666       7
#define DSI_CMD_DST_FORMAT_RGB888       8

#define DSI_CMD_TRIGGER_NONE            0x0	/* mdp trigger */
#define DSI_CMD_TRIGGER_TE              0x02
#define DSI_CMD_TRIGGER_SW              0x04
#define DSI_CMD_TRIGGER_SW_SEOF         0x05	/* cmd dma only */
#define DSI_CMD_TRIGGER_SW_TE           0x06

#define DSI_DATALANE_SWAP_0123          0
#define DSI_DATALANE_SWAP_3012          1
#define DSI_DATALANE_SWAP_2301          2
#define DSI_DATALANE_SWAP_1230          3
#define DSI_DATALANE_SWAP_0321          4
#define DSI_DATALANE_SWAP_1032          5
#define DSI_DATALANE_SWAP_2103          6
#define DSI_DATALANE_SWAP_3210          7

#define MAX_REGULATOR_CONFIG            7
#define MAX_BIST_CONFIG                 6
#define MAX_TIMING_CONFIG               40
#define MAX_LANE_CONFIG                 45
#define MAX_STRENGTH_CONFIG             10
#define MAX_CTRL_CONFIG                 4

/**********************************************************
  DSI configuration structures
 **********************************************************/
struct mipi_dsi_phy_ctrl {
       uint32_t regulator[5];
       uint32_t timing[12];
       uint32_t ctrl[4];
       uint32_t strength[4];
       uint32_t pll[21];
};

enum dsi_reg_mode {
	DSI_PHY_REGULATOR_DCDC_MODE,
	DSI_PHY_REGULATOR_LDO_MODE,
};

enum {
	DSI_PLL_TYPE_28NM,
	DSI_PLL_TYPE_20NM,
	DSI_PLL_TYPE_THULIUM,
	DSI_PLL_TYPE_12NM,
	DSI_PLL_TYPE_MAX,
};

struct mdss_dsi_phy_ctrl {
	uint32_t regulator[MAX_REGULATOR_CONFIG];
	uint32_t timing[MAX_TIMING_CONFIG];
	uint32_t ctrl[MAX_CTRL_CONFIG];
	uint32_t strength[MAX_STRENGTH_CONFIG];
	char bistCtrl[MAX_BIST_CONFIG];
	char laneCfg[MAX_LANE_CONFIG];
	enum dsi_reg_mode regulator_mode;
	int pll_type;
};

struct ssc_params {
	uint32_t kdiv;
	uint64_t triang_inc_7_0;
	uint64_t triang_inc_9_8;
	uint64_t triang_steps;
	uint64_t dc_offset;
	uint64_t freq_seed_7_0;
	uint64_t freq_seed_15_8;
};

struct mdss_dsi_vco_calc {
	uint64_t sdm_cfg0;
	uint64_t sdm_cfg1;
	uint64_t sdm_cfg2;
	uint64_t sdm_cfg3;
	uint64_t cal_cfg10;
	uint64_t cal_cfg11;
	uint64_t refclk_cfg;
	uint64_t gen_vco_clk;
	uint32_t lpfr_lut_res;
	struct ssc_params ssc;
};

struct mdss_dsi_pll_config {
	uint32_t  pixel_clock;
	uint32_t  pixel_clock_mhz;
	uint32_t  byte_clock;
	uint32_t  bit_clock;
	uint32_t  halfbit_clock;
	uint32_t  vco_clock;
	uint32_t  vco_delay;
	uint32_t  vco_min;
	uint32_t  vco_max;
	uint32_t  en_vco_zero_phase;
	uint8_t   directpath;
	uint8_t   posdiv1;
	uint8_t   posdiv3;
	uint8_t   pclk_m;
	uint8_t   pclk_n;
	uint8_t   pclk_d;

	/* SSC related params */
	bool      ssc_en;
	bool      is_center_spread;
	uint32_t  ssc_freq;
	uint32_t  ssc_ppm;

	/* pll 20nm */
	uint32_t  dec_start;
	uint32_t  frac_start;
	uint32_t  lock_comp;
	uint8_t  hr_oclk2;
	uint8_t  hr_oclk3;
	uint8_t  lp_div_mux;
	uint8_t  ndiv;

	/* pll thulium */
	uint32_t postdiv;
	uint32_t n1div;
	uint32_t n2div;

	/* pll 12nm */
	uint32_t p_div_mux;
	uint32_t gp_div_mux;
	uint32_t divhf;
};

struct mipi_dsi_cmd {
	uint32_t size;
	char *payload;
	int wait;
};

struct mipi_dsi_i2c_cmd {
	uint8_t i2c_addr;
	uint8_t reg;
	uint8_t val;
	int sleep_in_ms;
};

struct mipi_dsi_panel_config {
	char mode;
	char num_of_lanes;
	char lane_swap;
	char pack;
	uint8_t t_clk_pre;
	uint8_t t_clk_post;
	struct mipi_dsi_phy_ctrl *dsi_phy_config;
	struct mdss_dsi_phy_ctrl *mdss_dsi_phy_config;
	struct mipi_dsi_cmd *panel_on_cmds;
	int num_of_panel_on_cmds;
	uint32_t signature;
	char cmds_post_tg;
};

enum {		/* mipi dsi panel */
	DSI_VIDEO_MODE,
	DSI_CMD_MODE,
};

/**********************************************************
  APIs
 **********************************************************/
int mipi_config(struct msm_fb_panel_data *panel);
int mdss_dsi_config(struct msm_fb_panel_data *panel);
void mdss_dsi_phy_sw_reset(uint32_t ctl_base);
int mdss_dsi_phy_init(struct mipi_panel_info *mipi);
void mdss_dsi_phy_contention_detection(struct mipi_panel_info *mipi,
				uint32_t phy_base);
int mipi_dsi_phy_init(struct mipi_dsi_panel_config *pinfo);

int mdss_dsi_video_mode_config(struct msm_panel_info *pinfo,
	uint16_t disp_width,
	uint16_t disp_height,
	uint16_t img_width,
	uint16_t img_height,
	uint16_t hsync_porch0_fp,
	uint16_t hsync_porch0_bp,
	uint16_t vsync_porch0_fp,
	uint16_t vsync_porch0_bp,
	uint16_t hsync_width,
	uint16_t vsync_width,
	uint16_t dst_format,
	uint16_t traffic_mode,
	uint8_t lane_en,
	uint8_t pulse_mode_hsa_he,
	uint32_t low_pwr_stop_mode,
	uint8_t eof_bllp_pwr,
	uint8_t interleav,
	uint32_t ctl_base);
int mdss_dsi_cmd_mode_config(struct msm_panel_info *pinfo,
	uint16_t disp_width,
	uint16_t disp_height,
	uint16_t img_width,
	uint16_t img_height,
	uint16_t dst_format,
	uint8_t ystride,
	uint8_t lane_en,
	uint8_t interleav,
	uint32_t ctl_base);

int mipi_dsi_on(struct msm_panel_info *pinfo);
int mipi_cmd_trigger();
int mipi_dsi_off(struct msm_panel_info *pinfo);
int mdss_dsi_cmds_tx(struct mipi_panel_info *mipi,
	struct mipi_dsi_cmd *cmds, int count, char dual_dsi);
int mdss_dsi_cmds_rx(struct mipi_panel_info *mipi, uint32_t **rp, int rp_len,
	int rdbk_len);
int32_t mdss_dsi_auto_pll_config(uint32_t pll_base, uint32_t ctl_base,
	struct mdss_dsi_pll_config *pd);
void mdss_dsi_auto_pll_20nm_config(struct msm_panel_info *pinfo);
void mdss_dsi_pll_20nm_sw_reset_st_machine(uint32_t pll_base);
uint32_t mdss_dsi_pll_20nm_lock_status(uint32_t pll_base);
void mdss_dsi_uniphy_pll_lock_detect_setting(uint32_t pll_base);
void mdss_dsi_uniphy_pll_sw_reset(uint32_t pll_base);
int mdss_dsi_post_on(struct msm_fb_panel_data *panel);

#endif