drivers/video/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 #define DRIVER_NAME "bfin-adv7393"
  63
  64 struct 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
  80 static 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
  88 static 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
 110 static 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
 132 static 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
 148 static 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
 164 static 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
 263 struct adv7393fb_regs {
 264
 265 };
 266
 267 struct 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
 296 static int bfin_adv7393_fb_open(struct fb_info *info, int user);
 297 static int bfin_adv7393_fb_release(struct fb_info *info, int user);
 298 static int bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var,
 299                                      struct fb_info *info);
 300
 301 static int bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var,
 302                                        struct fb_info *info);
 303
 304 static int bfin_adv7393_fb_blank(int blank, struct fb_info *info);
 305
 306 static void bfin_config_ppi(struct adv7393fb_device *fbdev);
 307 static int bfin_config_dma(struct adv7393fb_device *fbdev);
 308 static void bfin_disable_dma(void);
 309 static void bfin_enable_ppi(void);
 310 static void bfin_disable_ppi(void);
 311
 312 static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value);
 313 static inline int adv7393_read(struct i2c_client *client, u8 reg);
 314 static int adv7393_write_block(struct i2c_client *client, const u8 *data,
 315                                unsigned int len);
 316
 317 int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
 318 static int bfin_adv7393_fb_setcolreg(u_int, u_int, u_int, u_int,
 319                                      u_int, struct fb_info *info);
 320
 321 #endif