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/*
* StarFive Vout driver
*
* Copyright 2020 StarFive Inc.
*
* Licensed under the GPL-2.
*/
#ifndef __SF_FB_DISPLAY_DEV_H_
#define __SF_FB_DISPLAY_DEV_H_
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include "starfive_fb.h"
#define RST_SEQ_LEN 16
#define FB_HSYNC_HIGH_ACT (0x03)
#define FB_VSYNC_HIGH_ACT (0x04)
#define MIPI_VIDEO_MODE (0x05)
#define MIPI_COMMAND_MODE (0x06)
#define ARRAY_AND_SIZE(x) (u8 *)(x), ARRAY_SIZE(x)
/*display prefer and ce*/
#define COLOR_TYPE_MAX (3)
#define PREFER_WARM (1)
#define PREFER_NATURE (2)
#define PREFER_COOL (3)
#define CE_BRIGHT (12)
#define CE_VELVIA (11)
#define CE_STANDARD (10)
enum {
DCS_CMD = 2,
GEN_CMD,
SW_PACK0,
SW_PACK1,
SW_PACK2,
LW_PACK,
SHUTDOWN_SW_PACK,
};
/*Device flags*/
#define PREFER_CMD_SEND_MONOLITHIC (0x00000001)
#define CE_CMD_SEND_MONOLITHIC (0x00000002)
#define RESUME_WITH_PREFER (0x00000010)
#define RESUME_WITH_CE (0x00000020)
/*
* Video stream type
*/
typedef enum {
VIDEO_NON_BURST_WITH_SYNC_PULSES = 0,
VIDEO_NON_BURST_WITH_SYNC_EVENTS, // hs_freq and pck should be multipe
VIDEO_BURST_WITH_SYNC_PULSES,
}dsih_video_mode_t;
#ifdef CONFIG_FBCON_DRAW_PANIC_TEXT
extern int kpanic_in_progress;
#endif
/*struct sf_fb_dev_cmds.cmds must follow this format*/
struct wr_cmd_hdr {
u8 wait;
u8 cmd_type0;
u8 cmd_type1;
u8 dlen;
} __packed;
struct sf_fb_dev_cmds {
unsigned char *cmds;
unsigned short n_pack;
unsigned short n_cmds;
};
struct bl_cmds {
struct sf_fb_dev_cmds bl_cmd;
unsigned int brightness_bit;
};
struct mipi_color_bits {
unsigned int color_bits; // must be set !!
unsigned int is_18bit_loosely; // optional
};
struct rw_timeout {
unsigned int hs_rd_to_cnt;
unsigned int lp_rd_to_cnt;
unsigned int hs_wr_to_cnt;
unsigned int lp_wr_to_cnt;
unsigned int bta_to_cnt;
};
struct video_mode_info {
unsigned int hsync; /* Horizontal Synchronization, unit : pclk. */
unsigned int hbp; /* Horizontal Back Porch, unit : pclk. */
unsigned int hfp; /* Horizontal Front Porch, unit : pclk. */
unsigned int vsync; /* Vertical Synchronization, unit : line. */
unsigned int vbp; /* Vertical Back Porch, unit : line. */
unsigned int vfp; /* Vertical Front Porch, unit : line. */
unsigned int sync_pol;
unsigned int lp_cmd_en:1;
unsigned int frame_bta_ack:1;
unsigned int lp_hfp_en:1; // default should be 1
unsigned int lp_hbp_en:1;
unsigned int lp_vact_en:1;
unsigned int lp_vfp_en:1;
unsigned int lp_vbp_en:1;
unsigned int lp_vsa_en:1;
dsih_video_mode_t mipi_trans_type; /* burst or no burst*/
};
struct command_mode_info {
unsigned int tear_fx_en:1;
unsigned int ack_rqst_en:1;
unsigned int gen_sw_0p_tx:1; // default should be 1
unsigned int gen_sw_1p_tx:1; // default should be 1
unsigned int gen_sw_2p_tx:1; // default should be 1
unsigned int gen_sr_0p_tx:1; // default should be 1
unsigned int gen_sr_1p_tx:1; // default should be 1
unsigned int gen_sr_2p_tx:1; // default should be 1
unsigned int gen_lw_tx:1; // default should be 1
unsigned int dcs_sw_0p_tx:1; // default should be 1
unsigned int dcs_sw_1p_tx:1; // default should be 1
unsigned int dcs_sr_0p_tx:1; // default should be 1
unsigned int dcs_lw_tx:1; // default should be 1
unsigned int max_rd_pkt_size:1; // default should be 1
struct rw_timeout timeout;
};
struct external_info {
unsigned char crc_rx_en:1;
unsigned char ecc_rx_en:1;
unsigned char eotp_rx_en:1;
unsigned char eotp_tx_en:1;
unsigned int dev_read_time; //HSBYTECLK is danwe
};
struct phy_time_info {
unsigned char lpx;
//unsigned char clk_lpx;
unsigned char clk_tprepare;
unsigned char clk_hs_zero;
unsigned char clk_hs_trail;
unsigned char clk_hs_exit;
unsigned char clk_hs_post;
//unsigned char data_lpx;
unsigned char data_tprepare;
unsigned char data_hs_zero;
unsigned char data_hs_trail;
unsigned char data_hs_exit;
unsigned char data_hs_post;
};
struct te_info {
unsigned int te_source;
unsigned int te_trigger_mode;
unsigned int te_en;
unsigned int te_sync_en; // In command mode should set 1, video should set 0
unsigned int te_cps; // te count per second
};
struct sf_fb_timing_mipi {
unsigned int hs_freq; /*PHY output freq, bytes KHZ*/
unsigned int lp_freq; /*default is 10MHZ*/
unsigned int fps;
unsigned int dphy_bps;
unsigned int dsi_burst_mode;
unsigned int dsi_sync_pulse;
unsigned int dsi_hsa;
unsigned int dsi_hbp;
unsigned int dsi_hfp;
unsigned int dsi_vsa;
unsigned int dsi_vbp;
unsigned int dsi_vfp;
unsigned int no_lanes; /*lane numbers*/
unsigned int display_mode; //video mode or command mode.
unsigned int auto_stop_clklane_en;
unsigned int im_pin_val; /*IM PIN val, if use gpio_im, default config is 1 ?? */
struct mipi_color_bits color_mode; /*color bits*/
struct video_mode_info videomode_info;
struct command_mode_info commandmode_info;
struct phy_time_info phytime_info;
struct te_info teinfo;
struct external_info ext_info;
};
struct sf_fb_timing_rgb {
struct video_mode_info videomode_info;
};
struct rd_cmd_hdr {
unsigned char pack_type;
unsigned char cmd;
unsigned char id_count;
} __packed;
struct common_id_info {
struct rd_cmd_hdr hdr;
unsigned char id[6];
} __packed;
struct sf_fb_id_info {
unsigned char num_id_info;
struct common_id_info *id_info;
struct sf_fb_dev_cmds prepare_cmd;
};
struct prefer_ce_info {
int type;
struct sf_fb_dev_cmds cmds;
};
struct sf_fb_prefer_ce {
int types;
struct prefer_ce_info *info;
};
struct sf_fb_display_dev {
const char* name; /* Device name. */
unsigned int interface_info;//interface infomation MIPI or RGB
unsigned int lcd_id;
unsigned int refresh_en; /* Refresh enable. */
unsigned int pclk; /* Pixel clock in HZ. */
unsigned int bpp; /* Bits per pixel. */
unsigned int xres; /* Device resolution. */
unsigned int yres;
unsigned int width; /* Width of device in mm. */
unsigned int height; /* Height of device in mm. */
unsigned int flags; /* Device flags. */
unsigned int auto_fps; /* auto adjust frame rate flag*/
unsigned int send_suspend_cmd_in_hs_mode; /* send suspend cmd is hs mode */
struct {
struct sf_fb_timing_rgb rgb;
//struct comipfb_dev_timing_rgb rgb;
struct sf_fb_timing_mipi mipi;
} timing;
struct sf_fb_id_info panel_id_info;
struct sf_fb_id_info esd_id_info;
struct sf_fb_dev_cmds cmds_init;
struct sf_fb_dev_cmds cmds_suspend;
struct sf_fb_dev_cmds cmds_resume;
struct sf_fb_dev_cmds cmds_pre_suspend;
struct bl_cmds backlight_info;
struct sf_fb_prefer_ce resume_prefer_info;
struct sf_fb_prefer_ce display_prefer_info;
struct sf_fb_prefer_ce display_ce_info;
int init_last; /*when resume, send gamma/ce cmd before init cmd*/
u32 rst_seq[RST_SEQ_LEN];
u32 rst_seq_len;
int (*power)(struct sf_fb_data *fb_data, int onoff);
int (*reset)(struct sf_fb_data *fb_data);
int (*suspend)(struct sf_fb_data *fb_data);
int (*resume)(struct sf_fb_data *fb_data);
};
extern int sf_fb_display_dev_register(struct sf_fb_display_dev* dev);
extern int sf_fb_display_dev_unregister(struct sf_fb_display_dev* dev);
extern struct sf_fb_display_dev* sf_fb_display_dev_get_by_name(char *dev_name);
extern struct sf_fb_display_dev* sf_fb_display_dev_get(struct sf_fb_data *fb_data);
#endif /*__SF_FB_DISPLAY_DEV_H_*/
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