drivers/video/da8xx-fb.h

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