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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * Porting to u-boot:
      4  *
      5  * (C) Copyright 2011
      6  * Stefano Babic, DENX Software Engineering, sbabic (at) denx.de.
      7  *
      8  * Copyright (C) 2008-2009 MontaVista Software Inc.
      9  * Copyright (C) 2008-2009 Texas Instruments Inc
     10  *
     11  * Based on the LCD driver for TI Avalanche processors written by
     12  * Ajay Singh and Shalom Hai.
     13  */
     14 
     15 #ifndef DA8XX_FB_H
     16 #define DA8XX_FB_H
     17 
     18 enum panel_type {
     19 	QVGA = 0,
     20 	WVGA
     21 };
     22 
     23 enum panel_shade {
     24 	MONOCHROME = 0,
     25 	COLOR_ACTIVE,
     26 	COLOR_PASSIVE,
     27 };
     28 
     29 enum raster_load_mode {
     30 	LOAD_DATA = 1,
     31 	LOAD_PALETTE,
     32 };
     33 
     34 struct display_panel {
     35 	enum panel_type panel_type; /* QVGA */
     36 	int max_bpp;
     37 	int min_bpp;
     38 	enum panel_shade panel_shade;
     39 };
     40 
     41 struct da8xx_panel {
     42 	const char	name[25];	/* Full name <vendor>_<model> */
     43 	unsigned short	width;
     44 	unsigned short	height;
     45 	int		hfp;		/* Horizontal front porch */
     46 	int		hbp;		/* Horizontal back porch */
     47 	int		hsw;		/* Horizontal Sync Pulse Width */
     48 	int		vfp;		/* Vertical front porch */
     49 	int		vbp;		/* Vertical back porch */
     50 	int		vsw;		/* Vertical Sync Pulse Width */
     51 	unsigned int	pxl_clk;	/* Pixel clock */
     52 	unsigned char	invert_pxl_clk;	/* Invert Pixel clock */
     53 };
     54 
     55 struct da8xx_lcdc_platform_data {
     56 	const char manu_name[10];
     57 	void *controller_data;
     58 	const char type[25];
     59 	void (*panel_power_ctrl)(int);
     60 };
     61 
     62 struct lcd_ctrl_config {
     63 	const struct display_panel *p_disp_panel;
     64 
     65 	/* AC Bias Pin Frequency */
     66 	int ac_bias;
     67 
     68 	/* AC Bias Pin Transitions per Interrupt */
     69 	int ac_bias_intrpt;
     70 
     71 	/* DMA burst size */
     72 	int dma_burst_sz;
     73 
     74 	/* Bits per pixel */
     75 	int bpp;
     76 
     77 	/* FIFO DMA Request Delay */
     78 	int fdd;
     79 
     80 	/* TFT Alternative Signal Mapping (Only for active) */
     81 	unsigned char tft_alt_mode;
     82 
     83 	/* 12 Bit Per Pixel (5-6-5) Mode (Only for passive) */
     84 	unsigned char stn_565_mode;
     85 
     86 	/* Mono 8-bit Mode: 1=D0-D7 or 0=D0-D3 */
     87 	unsigned char mono_8bit_mode;
     88 
     89 	/* Invert line clock */
     90 	unsigned char invert_line_clock;
     91 
     92 	/* Invert frame clock  */
     93 	unsigned char invert_frm_clock;
     94 
     95 	/* Horizontal and Vertical Sync Edge: 0=rising 1=falling */
     96 	unsigned char sync_edge;
     97 
     98 	/* Horizontal and Vertical Sync: Control: 0=ignore */
     99 	unsigned char sync_ctrl;
    100 
    101 	/* Raster Data Order Select: 1=Most-to-least 0=Least-to-most */
    102 	unsigned char raster_order;
    103 };
    104 
    105 struct lcd_sync_arg {
    106 	int back_porch;
    107 	int front_porch;
    108 	int pulse_width;
    109 };
    110 
    111 void da8xx_video_init(const struct da8xx_panel *panel,
    112 		      const struct lcd_ctrl_config *lcd_cfg,
    113 		      int bits_pixel);
    114 
    115 #endif  /* ifndef DA8XX_FB_H */
    116