/*
   * MPC823 and PXA LCD Controller
   *
   * Modeled after video interface by Paolo Scaffardi
   *
   *
   * (C) Copyright 2001
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef _LCD_H_
  #define _LCD_H_
  #include <lcd_console.h>
  #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
  #include <bmp_layout.h>
  #include <asm/byteorder.h>
  #endif
  
  int bmp_display(ulong addr, int x, int y);
  struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
  			     void **alloc_addr);
  
  #ifndef CONFIG_DM_VIDEO
  
  extern char lcd_is_enabled;
  extern int lcd_line_length;
  extern struct vidinfo panel_info;
  
  void lcd_ctrl_init(void *lcdbase);
  void lcd_enable(void);
  void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue);
  void lcd_initcolregs (void);
  
  /**
   * Set whether we need to flush the dcache when changing the LCD image. This
   * defaults to off.
   *
   * @param flush		non-zero to flush cache after update, 0 to skip
   */
  void lcd_set_flush_dcache(int flush);
  
  #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
  	defined CONFIG_CPU_MONAHANS
  #include <pxa_lcd.h>
  #elif defined(CONFIG_ATMEL_LCD) || defined(CONFIG_ATMEL_HLCD)
  #include <atmel_lcd.h>
  #elif defined(CONFIG_EXYNOS_FB)
  #include <exynos_lcd.h>
  #elif defined(CONFIG_MXC_EPDC)
  
  struct waveform_modes {
  	int mode_init;
  	int mode_du;
  	int mode_gc4;
  	int mode_gc8;
  	int mode_gc16;
  	int mode_gc32;
  };
  
  struct epdc_timing_params {
      int vscan_holdoff;
      int sdoed_width;
      int sdoed_delay;
      int sdoez_width;
      int sdoez_delay;
      int gdclk_hp_offs;
      int gdsp_offs;
      int gdoe_offs;
      int gdclk_offs;
      int num_ce;
  };
  
  struct epdc_data_struct {
  	/* EPDC buffer pointers */
  	u_long working_buf_addr;
  	u_long waveform_buf_addr;
  
  	/* Waveform mode definitions */
  	struct waveform_modes wv_modes;
  	struct epdc_timing_params epdc_timings;
  };
  
  typedef struct vidinfo {
  	u_long vl_refresh;      /* Refresh Rate Hz */
  	u_long vl_row;          /* resolution in x */
  	u_long vl_col;          /* resolution in y */
  	u_long vl_rot;
  	u_long vl_pixclock;     /* pixel clock in picoseconds */
  	u_long vl_left_margin;  /* Horizontal back porch */
  	u_long vl_right_margin; /* Horizontal front porch */
  	u_long vl_upper_margin; /* Vertical back porch */
  	u_long vl_lower_margin; /* Vertical front porch */
  	u_long vl_hsync;        /* Horizontal sync pulse length */
  	u_long vl_vsync;        /* Vertical sync pulse length */
  	u_long vl_sync;         /* Polarity on data enable */
  	u_long vl_mode;         /* Video Mode */
  	u_long vl_flag;
  	u_char  vl_bpix;
  	ushort  *cmap;
  	struct epdc_data_struct epdc_data;
  } vidinfo_t;
  
  static __maybe_unused ushort *configuration_get_cmap(void)
  {
  	return panel_info.cmap;
  }
  #else
  typedef struct vidinfo {
  	ushort	vl_col;		/* Number of columns (i.e. 160) */
  	ushort	vl_row;		/* Number of rows (i.e. 100) */
  	ushort	vl_rot;		/* Rotation of Display (0, 1, 2, 3) */
  	u_char	vl_bpix;	/* Bits per pixel, 0 = 1 */
  	ushort	*cmap;		/* Pointer to the colormap */
  	void	*priv;		/* Pointer to driver-specific data */
  } vidinfo_t;
  
  static __maybe_unused ushort *configuration_get_cmap(void)
  {
  	return panel_info.cmap;
  }
  #endif
  
  ushort *configuration_get_cmap(void);
  
  extern vidinfo_t panel_info;
  
  void lcd_putc(const char c);
  void lcd_puts(const char *s);
  void lcd_printf(const char *fmt, ...);
  void lcd_clear(void);
  int lcd_display_bitmap(ulong bmp_image, int x, int y);
  
  /**
   * Get the width of the LCD in pixels
   *
   * @return width of LCD in pixels
   */
  int lcd_get_pixel_width(void);
  
  /**
   * Get the height of the LCD in pixels
   *
   * @return height of LCD in pixels
   */
  int lcd_get_pixel_height(void);
  
  /**
   * Get the number of text lines/rows on the LCD
   *
   * @return number of rows
   */
  int lcd_get_screen_rows(void);
  
  /**
   * Get the number of text columns on the LCD
   *
   * @return number of columns
   */
  int lcd_get_screen_columns(void);
  
  /**
   * Get the background color of the LCD
   *
   * @return background color value
   */
  int lcd_getbgcolor(void);
  
  /**
   * Get the foreground color of the LCD
   *
   * @return foreground color value
   */
  int lcd_getfgcolor(void);
  
  /**
   * Set the position of the text cursor
   *
   * @param col	Column to place cursor (0 = left side)
   * @param row	Row to place cursor (0 = top line)
   */
  void lcd_position_cursor(unsigned col, unsigned row);
  
  /* Allow boards to customize the information displayed */
  void lcd_show_board_info(void);
  
  /* Return the size of the LCD frame buffer, and the line length */
  int lcd_get_size(int *line_length);
  
  /* Update the LCD / flush the cache */
  void lcd_sync(void);
  
  /*
   *  Information about displays we are using. This is for configuring
   *  the LCD controller and memory allocation. Someone has to know what
   *  is connected, as we can't autodetect anything.
   */
  #define CONFIG_SYS_HIGH	0	/* Pins are active high			*/
  #define CONFIG_SYS_LOW	1	/* Pins are active low			*/
  
  #define LCD_MONOCHROME	0
  #define LCD_COLOR2	1
  #define LCD_COLOR4	2
  #define LCD_COLOR8	3
  #define LCD_COLOR16	4
  #define LCD_COLOR32	5
  
  #if defined(CONFIG_LCD_INFO_BELOW_LOGO)
  #define LCD_INFO_X		0
  #define LCD_INFO_Y		(BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
  #elif defined(CONFIG_LCD_LOGO)
  #define LCD_INFO_X		(BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
  #define LCD_INFO_Y		VIDEO_FONT_HEIGHT
  #else
  #define LCD_INFO_X		VIDEO_FONT_WIDTH
  #define LCD_INFO_Y		VIDEO_FONT_HEIGHT
  #endif
  
  /* Default to 8bpp if bit depth not specified */
  #ifndef LCD_BPP
  #define LCD_BPP			LCD_COLOR8
  #endif
  
  #if LCD_BPP == LCD_MONOCHROME
  # define COLOR_MASK(c)		((c)	  | (c) << 1 | (c) << 2 | (c) << 3 | \
  				 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
  #elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16) || \
  	(LCD_BPP == LCD_COLOR32)
  # define COLOR_MASK(c)		(c)
  #else
  #error Unsupported LCD BPP.
  #endif
  
  #ifndef LCD_DF
  #define LCD_DF			1
  #endif
  
  /* Calculate nr. of bits per pixel  and nr. of colors */
  #define NBITS(bit_code)		(1 << (bit_code))
  #define NCOLORS(bit_code)	(1 << NBITS(bit_code))
  
  #if LCD_BPP == LCD_MONOCHROME
  /*
   * Simple black/white definitions
   */
  # define CONSOLE_COLOR_BLACK	0
  # define CONSOLE_COLOR_WHITE	1	/* Must remain last / highest	*/
  
  #elif LCD_BPP == LCD_COLOR8
  # define CONSOLE_COLOR_BLACK	0
  # define CONSOLE_COLOR_RED	1
  # define CONSOLE_COLOR_GREEN	2
  # define CONSOLE_COLOR_YELLOW	3
  # define CONSOLE_COLOR_BLUE	4
  # define CONSOLE_COLOR_MAGENTA	5
  # define CONSOLE_COLOR_CYAN	6
  # define CONSOLE_COLOR_GREY	14
  # define CONSOLE_COLOR_WHITE	15		/* Must remain last / highest */
  #elif LCD_BPP == LCD_COLOR32
  #define CONSOLE_COLOR_RED	0x00ff0000
  #define CONSOLE_COLOR_GREEN	0x0000ff00
  #define CONSOLE_COLOR_YELLOW	0x00ffff00
  #define CONSOLE_COLOR_BLUE	0x000000ff
  #define CONSOLE_COLOR_MAGENTA	0x00ff00ff
  #define CONSOLE_COLOR_CYAN	0x0000ffff
  #define CONSOLE_COLOR_GREY	0x00aaaaaa
  #define CONSOLE_COLOR_BLACK	0x00000000
  #define CONSOLE_COLOR_WHITE	0x00ffffff	/* Must remain last / highest */
  #define NBYTES(bit_code)	(NBITS(bit_code) >> 3)
  #else /* 16bpp color definitions */
  # define CONSOLE_COLOR_BLACK	0x0000
  # define CONSOLE_COLOR_RED	0xF800
  # define CONSOLE_COLOR_GREEN	0x07E0
  # define CONSOLE_COLOR_YELLOW	0xFFE0
  # define CONSOLE_COLOR_BLUE	0x001F
  # define CONSOLE_COLOR_MAGENTA	0xF81F
  # define CONSOLE_COLOR_CYAN	0x07FF
  # define CONSOLE_COLOR_GREY	0xC618
  # define CONSOLE_COLOR_WHITE	0xffff		/* Must remain last / highest */
  #endif /* color definitions */
  
  #if LCD_BPP == LCD_COLOR16
  #define fbptr_t ushort
  #elif LCD_BPP == LCD_COLOR32
  #define fbptr_t u32
  #else
  #define fbptr_t uchar
  #endif
  
  #ifndef PAGE_SIZE
  #define PAGE_SIZE	4096
  #endif
  
  #endif /* !CONFIG_DM_VIDEO */
  
  #endif	/* _LCD_H_ */