drivers/video/fbdev/bfin_adv7393fb.h

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