linux/drivers/video/bfin_adv7393fb.h
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   1/*
   2 * Frame buffer driver for ADV7393/2 video encoder
   3 *
   4 * Copyright 2006-2009 Analog Devices Inc.
   5 * Licensed under the GPL-2 or late.
   6 */
   7
   8#ifndef __BFIN_ADV7393FB_H__
   9#define __BFIN_ADV7393FB_H__
  10
  11#define BFIN_LCD_NBR_PALETTE_ENTRIES    256
  12
  13#ifdef CONFIG_NTSC
  14# define VMODE 0
  15#endif
  16#ifdef CONFIG_PAL
  17# define VMODE 1
  18#endif
  19#ifdef CONFIG_NTSC_640x480
  20# define VMODE 2
  21#endif
  22#ifdef CONFIG_PAL_640x480
  23# define VMODE 3
  24#endif
  25#ifdef CONFIG_NTSC_YCBCR
  26# define VMODE 4
  27#endif
  28#ifdef CONFIG_PAL_YCBCR
  29# define VMODE 5
  30#endif
  31
  32#ifndef VMODE
  33# define VMODE 1
  34#endif
  35
  36#ifdef CONFIG_ADV7393_2XMEM
  37# define VMEM 2
  38#else
  39# define VMEM 1
  40#endif
  41
  42#if defined(CONFIG_BF537) || defined(CONFIG_BF536) || defined(CONFIG_BF534)
  43# define DMA_CFG_VAL    0x7935  /* Set Sync Bit */
  44# define VB_DUMMY_MEMORY_SOURCE L1_DATA_B_START
  45#else
  46# define DMA_CFG_VAL    0x7915
  47# define VB_DUMMY_MEMORY_SOURCE BOOT_ROM_START
  48#endif
  49
  50enum {
  51        DESTRUCT,
  52        BUILD,
  53};
  54
  55enum {
  56        POWER_ON,
  57        POWER_DOWN,
  58        BLANK_ON,
  59        BLANK_OFF,
  60};
  61
  62#define DRIVER_NAME "bfin-adv7393"
  63
  64struct adv7393fb_modes {
  65        const s8 name[25];      /* Full name */
  66        u16 xres;               /* Active Horizonzal Pixels  */
  67        u16 yres;               /* Active Vertical Pixels  */
  68        u16 bpp;
  69        u16 vmode;
  70        u16 a_lines;            /* Active Lines per Field */
  71        u16 vb1_lines;          /* Vertical Blanking Field 1 Lines */
  72        u16 vb2_lines;          /* Vertical Blanking Field 2 Lines */
  73        u16 tot_lines;          /* Total Lines per Frame */
  74        u16 boeft_blank;        /* Before Odd/Even Field Transition No. of Blank Pixels */
  75        u16 aoeft_blank;        /* After Odd/Even Field Transition No. of Blank Pixels */
  76        const s8 *adv7393_i2c_initd;
  77        u16 adv7393_i2c_initd_len;
  78};
  79
  80static const u8 init_NTSC_TESTPATTERN[] = {
  81        0x00, 0x1E,     /* Power up all DACs and PLL */
  82        0x01, 0x00,     /* SD-Only Mode */
  83        0x80, 0x10,     /* SSAF Luma Filter Enabled, NTSC Mode */
  84        0x82, 0xCB,     /* Step control on, pixel data valid, pedestal on, PrPb SSAF on, CVBS/YC output */
  85        0x84, 0x40,     /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
  86};
  87
  88static const u8 init_NTSC[] = {
  89        0x00, 0x1E,     /* Power up all DACs and PLL */
  90        0xC3, 0x26,     /* Program RGB->YCrCb Color Space conversion matrix */
  91        0xC5, 0x12,     /* Program RGB->YCrCb Color Space conversion matrix */
  92        0xC2, 0x4A,     /* Program RGB->YCrCb Color Space conversion matrix */
  93        0xC6, 0x5E,     /* Program RGB->YCrCb Color Space conversion matrix */
  94        0xBD, 0x19,     /* Program RGB->YCrCb Color Space conversion matrix */
  95        0xBF, 0x42,     /* Program RGB->YCrCb Color Space conversion matrix */
  96        0x8C, 0x1F,     /* NTSC Subcarrier Frequency */
  97        0x8D, 0x7C,     /* NTSC Subcarrier Frequency */
  98        0x8E, 0xF0,     /* NTSC Subcarrier Frequency */
  99        0x8F, 0x21,     /* NTSC Subcarrier Frequency */
 100        0x01, 0x00,     /* SD-Only Mode */
 101        0x80, 0x30,     /* SSAF Luma Filter Enabled, NTSC Mode */
 102        0x82, 0x8B,     /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
 103        0x87, 0x80,     /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
 104        0x86, 0x82,
 105        0x8B, 0x11,
 106        0x88, 0x20,
 107        0x8A, 0x0d,
 108};
 109
 110static const u8 init_PAL[] = {
 111        0x00, 0x1E,     /* Power up all DACs and PLL */
 112        0xC3, 0x26,     /* Program RGB->YCrCb Color Space conversion matrix */
 113        0xC5, 0x12,     /* Program RGB->YCrCb Color Space conversion matrix */
 114        0xC2, 0x4A,     /* Program RGB->YCrCb Color Space conversion matrix */
 115        0xC6, 0x5E,     /* Program RGB->YCrCb Color Space conversion matrix */
 116        0xBD, 0x19,     /* Program RGB->YCrCb Color Space conversion matrix */
 117        0xBF, 0x42,     /* Program RGB->YCrCb Color Space conversion matrix */
 118        0x8C, 0xCB,     /* PAL Subcarrier Frequency */
 119        0x8D, 0x8A,     /* PAL Subcarrier Frequency */
 120        0x8E, 0x09,     /* PAL Subcarrier Frequency */
 121        0x8F, 0x2A,     /* PAL Subcarrier Frequency */
 122        0x01, 0x00,     /* SD-Only Mode */
 123        0x80, 0x11,     /* SSAF Luma Filter Enabled, PAL Mode */
 124        0x82, 0x8B,     /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
 125        0x87, 0x80,     /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
 126        0x86, 0x82,
 127        0x8B, 0x11,
 128        0x88, 0x20,
 129        0x8A, 0x0d,
 130};
 131
 132static const u8 init_NTSC_YCbCr[] = {
 133        0x00, 0x1E,     /* Power up all DACs and PLL */
 134        0x8C, 0x1F,     /* NTSC Subcarrier Frequency */
 135        0x8D, 0x7C,     /* NTSC Subcarrier Frequency */
 136        0x8E, 0xF0,     /* NTSC Subcarrier Frequency */
 137        0x8F, 0x21,     /* NTSC Subcarrier Frequency */
 138        0x01, 0x00,     /* SD-Only Mode */
 139        0x80, 0x30,     /* SSAF Luma Filter Enabled, NTSC Mode */
 140        0x82, 0x8B,     /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
 141        0x87, 0x00,     /* DAC 2 = Luma, DAC 3 = Chroma */
 142        0x86, 0x82,
 143        0x8B, 0x11,
 144        0x88, 0x08,
 145        0x8A, 0x0d,
 146};
 147
 148static const u8 init_PAL_YCbCr[] = {
 149        0x00, 0x1E,     /* Power up all DACs and PLL */
 150        0x8C, 0xCB,     /* PAL Subcarrier Frequency */
 151        0x8D, 0x8A,     /* PAL Subcarrier Frequency */
 152        0x8E, 0x09,     /* PAL Subcarrier Frequency */
 153        0x8F, 0x2A,     /* PAL Subcarrier Frequency */
 154        0x01, 0x00,     /* SD-Only Mode */
 155        0x80, 0x11,     /* SSAF Luma Filter Enabled, PAL Mode */
 156        0x82, 0x8B,     /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
 157        0x87, 0x00,     /* DAC 2 = Luma, DAC 3 = Chroma */
 158        0x86, 0x82,
 159        0x8B, 0x11,
 160        0x88, 0x08,
 161        0x8A, 0x0d,
 162};
 163
 164static struct adv7393fb_modes known_modes[] = {
 165        /* NTSC 720x480 CRT */
 166        {
 167                .name = "NTSC 720x480",
 168                .xres = 720,
 169                .yres = 480,
 170                .bpp = 16,
 171                .vmode = FB_VMODE_INTERLACED,
 172                .a_lines = 240,
 173                .vb1_lines = 22,
 174                .vb2_lines = 23,
 175                .tot_lines = 525,
 176                .boeft_blank = 16,
 177                .aoeft_blank = 122,
 178                .adv7393_i2c_initd = init_NTSC,
 179                .adv7393_i2c_initd_len = sizeof(init_NTSC)
 180        },
 181        /* PAL 720x480 CRT */
 182        {
 183                .name = "PAL 720x576",
 184                .xres = 720,
 185                .yres = 576,
 186                .bpp = 16,
 187                .vmode = FB_VMODE_INTERLACED,
 188                .a_lines = 288,
 189                .vb1_lines = 24,
 190                .vb2_lines = 25,
 191                .tot_lines = 625,
 192                .boeft_blank = 12,
 193                .aoeft_blank = 132,
 194                .adv7393_i2c_initd = init_PAL,
 195                .adv7393_i2c_initd_len = sizeof(init_PAL)
 196        },
 197        /* NTSC 640x480 CRT Experimental */
 198        {
 199                .name = "NTSC 640x480",
 200                .xres = 640,
 201                .yres = 480,
 202                .bpp = 16,
 203                .vmode = FB_VMODE_INTERLACED,
 204                .a_lines = 240,
 205                .vb1_lines = 22,
 206                .vb2_lines = 23,
 207                .tot_lines = 525,
 208                .boeft_blank = 16 + 40,
 209                .aoeft_blank = 122 + 40,
 210                .adv7393_i2c_initd = init_NTSC,
 211                .adv7393_i2c_initd_len = sizeof(init_NTSC)
 212        },
 213        /* PAL 640x480 CRT Experimental */
 214        {
 215                .name = "PAL 640x480",
 216                .xres = 640,
 217                .yres = 480,
 218                .bpp = 16,
 219                .vmode = FB_VMODE_INTERLACED,
 220                .a_lines = 288 - 20,
 221                .vb1_lines = 24 + 20,
 222                .vb2_lines = 25 + 20,
 223                .tot_lines = 625,
 224                .boeft_blank = 12 + 40,
 225                .aoeft_blank = 132 + 40,
 226                .adv7393_i2c_initd = init_PAL,
 227                .adv7393_i2c_initd_len = sizeof(init_PAL)
 228        },
 229        /* NTSC 720x480 YCbCR */
 230        {
 231                .name = "NTSC 720x480 YCbCR",
 232                .xres = 720,
 233                .yres = 480,
 234                .bpp = 16,
 235                .vmode = FB_VMODE_INTERLACED,
 236                .a_lines = 240,
 237                .vb1_lines = 22,
 238                .vb2_lines = 23,
 239                .tot_lines = 525,
 240                .boeft_blank = 16,
 241                .aoeft_blank = 122,
 242                .adv7393_i2c_initd = init_NTSC_YCbCr,
 243                .adv7393_i2c_initd_len = sizeof(init_NTSC_YCbCr)
 244        },
 245        /* PAL 720x480 CRT */
 246        {
 247                .name = "PAL 720x576 YCbCR",
 248                .xres = 720,
 249                .yres = 576,
 250                .bpp = 16,
 251                .vmode = FB_VMODE_INTERLACED,
 252                .a_lines = 288,
 253                .vb1_lines = 24,
 254                .vb2_lines = 25,
 255                .tot_lines = 625,
 256                .boeft_blank = 12,
 257                .aoeft_blank = 132,
 258                .adv7393_i2c_initd = init_PAL_YCbCr,
 259                .adv7393_i2c_initd_len = sizeof(init_PAL_YCbCr)
 260        }
 261};
 262
 263struct adv7393fb_regs {
 264
 265};
 266
 267struct adv7393fb_device {
 268        struct fb_info info;    /* FB driver info record */
 269
 270        struct i2c_client *client;
 271
 272        struct dmasg *descriptor_list_head;
 273        struct dmasg *vb1;
 274        struct dmasg *av1;
 275        struct dmasg *vb2;
 276        struct dmasg *av2;
 277
 278        dma_addr_t dma_handle;
 279
 280        struct fb_info bfin_adv7393_fb;
 281
 282        struct adv7393fb_modes *modes;
 283
 284        struct adv7393fb_regs *regs;    /* Registers memory map */
 285        size_t regs_len;
 286        size_t fb_len;
 287        size_t line_len;
 288        u16 open;
 289        u16 *fb_mem;            /* RGB Buffer */
 290
 291};
 292
 293#define to_adv7393fb_device(_info) \
 294          (_info ? container_of(_info, struct adv7393fb_device, info) : NULL);
 295
 296static int bfin_adv7393_fb_open(struct fb_info *info, int user);
 297static int bfin_adv7393_fb_release(struct fb_info *info, int user);
 298static int bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var,
 299                                     struct fb_info *info);
 300
 301static int bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var,
 302                                       struct fb_info *info);
 303
 304static int bfin_adv7393_fb_blank(int blank, struct fb_info *info);
 305
 306static void bfin_config_ppi(struct adv7393fb_device *fbdev);
 307static int bfin_config_dma(struct adv7393fb_device *fbdev);
 308static void bfin_disable_dma(void);
 309static void bfin_enable_ppi(void);
 310static void bfin_disable_ppi(void);
 311
 312static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value);
 313static inline int adv7393_read(struct i2c_client *client, u8 reg);
 314static int adv7393_write_block(struct i2c_client *client, const u8 *data,
 315                               unsigned int len);
 316
 317int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
 318static int bfin_adv7393_fb_setcolreg(u_int, u_int, u_int, u_int,
 319                                     u_int, struct fb_info *info);
 320
 321#endif
 322
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