arch/arm/include/asm/arch-davinci/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 };
  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, int bits_pixel);
 112
 113 #endif  /* ifndef DA8XX_FB_H */