Michael Hennerich | cffd934 | 2010-11-24 09:33:59 +0000 | [diff] [blame] | 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 */ |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 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 */ |
Michael Hennerich | cffd934 | 2010-11-24 09:33:59 +0000 | [diff] [blame] | 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 */ |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 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 */ |
Michael Hennerich | cffd934 | 2010-11-24 09:33:59 +0000 | [diff] [blame] | 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 |