1 /* 2 * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver 3 * 4 * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org) 5 * This code is placed under the terms of the GNU General Public License v2 6 */ 7 8 #include <linux/i2c.h> 9 #include <linux/slab.h> 10 #include <linux/videodev2.h> 11 #include <linux/delay.h> 12 #include <linux/gpio/consumer.h> 13 #include <linux/module.h> 14 #include <media/v4l2-async.h> 15 #include <media/v4l2-device.h> 16 #include <media/i2c/tvp5150.h> 17 #include <media/v4l2-ctrls.h> 18 #include <media/v4l2-of.h> 19 #include <media/v4l2-mc.h> 20 21 #include "tvp5150_reg.h" 22 23 #define TVP5150_H_MAX 720U 24 #define TVP5150_V_MAX_525_60 480U 25 #define TVP5150_V_MAX_OTHERS 576U 26 #define TVP5150_MAX_CROP_LEFT 511 27 #define TVP5150_MAX_CROP_TOP 127 28 #define TVP5150_CROP_SHIFT 2 29 30 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver"); 31 MODULE_AUTHOR("Mauro Carvalho Chehab"); 32 MODULE_LICENSE("GPL"); 33 34 35 static int debug; 36 module_param(debug, int, 0644); 37 MODULE_PARM_DESC(debug, "Debug level (0-2)"); 38 39 struct tvp5150 { 40 struct v4l2_subdev sd; 41 #ifdef CONFIG_MEDIA_CONTROLLER 42 struct media_pad pads[DEMOD_NUM_PADS]; 43 #endif 44 struct v4l2_ctrl_handler hdl; 45 struct v4l2_rect rect; 46 47 v4l2_std_id norm; /* Current set standard */ 48 u32 input; 49 u32 output; 50 int enable; 51 52 enum v4l2_mbus_type mbus_type; 53 }; 54 55 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 56 { 57 return container_of(sd, struct tvp5150, sd); 58 } 59 60 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 61 { 62 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 63 } 64 65 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 66 { 67 struct i2c_client *c = v4l2_get_subdevdata(sd); 68 int rc; 69 70 rc = i2c_smbus_read_byte_data(c, addr); 71 if (rc < 0) { 72 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc); 73 return rc; 74 } 75 76 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc); 77 78 return rc; 79 } 80 81 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 82 unsigned char value) 83 { 84 struct i2c_client *c = v4l2_get_subdevdata(sd); 85 int rc; 86 87 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value); 88 rc = i2c_smbus_write_byte_data(c, addr, value); 89 if (rc < 0) 90 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d\n", rc); 91 } 92 93 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 94 const u8 end, int max_line) 95 { 96 int i = 0; 97 98 while (init != (u8)(end + 1)) { 99 if ((i % max_line) == 0) { 100 if (i > 0) 101 printk("\n"); 102 printk("tvp5150: %s reg 0x%02x = ", s, init); 103 } 104 printk("%02x ", tvp5150_read(sd, init)); 105 106 init++; 107 i++; 108 } 109 printk("\n"); 110 } 111 112 static int tvp5150_log_status(struct v4l2_subdev *sd) 113 { 114 printk("tvp5150: Video input source selection #1 = 0x%02x\n", 115 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 116 printk("tvp5150: Analog channel controls = 0x%02x\n", 117 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 118 printk("tvp5150: Operation mode controls = 0x%02x\n", 119 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 120 printk("tvp5150: Miscellaneous controls = 0x%02x\n", 121 tvp5150_read(sd, TVP5150_MISC_CTL)); 122 printk("tvp5150: Autoswitch mask= 0x%02x\n", 123 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 124 printk("tvp5150: Color killer threshold control = 0x%02x\n", 125 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 126 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 127 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 128 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 129 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 130 printk("tvp5150: Brightness control = 0x%02x\n", 131 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 132 printk("tvp5150: Color saturation control = 0x%02x\n", 133 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 134 printk("tvp5150: Hue control = 0x%02x\n", 135 tvp5150_read(sd, TVP5150_HUE_CTL)); 136 printk("tvp5150: Contrast control = 0x%02x\n", 137 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 138 printk("tvp5150: Outputs and data rates select = 0x%02x\n", 139 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 140 printk("tvp5150: Configuration shared pins = 0x%02x\n", 141 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 142 printk("tvp5150: Active video cropping start = 0x%02x%02x\n", 143 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 144 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 145 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n", 146 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 147 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 148 printk("tvp5150: Genlock/RTC = 0x%02x\n", 149 tvp5150_read(sd, TVP5150_GENLOCK)); 150 printk("tvp5150: Horizontal sync start = 0x%02x\n", 151 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 152 printk("tvp5150: Vertical blanking start = 0x%02x\n", 153 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 154 printk("tvp5150: Vertical blanking stop = 0x%02x\n", 155 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 156 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 157 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 158 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 159 printk("tvp5150: Interrupt reset register B = 0x%02x\n", 160 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 161 printk("tvp5150: Interrupt enable register B = 0x%02x\n", 162 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 163 printk("tvp5150: Interrupt configuration register B = 0x%02x\n", 164 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 165 printk("tvp5150: Video standard = 0x%02x\n", 166 tvp5150_read(sd, TVP5150_VIDEO_STD)); 167 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 168 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 169 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 170 printk("tvp5150: Macrovision on counter = 0x%02x\n", 171 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 172 printk("tvp5150: Macrovision off counter = 0x%02x\n", 173 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 174 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 175 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 176 printk("tvp5150: Device ID = %02x%02x\n", 177 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 178 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 179 printk("tvp5150: ROM version = (hex) %02x.%02x\n", 180 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 181 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 182 printk("tvp5150: Vertical line count = 0x%02x%02x\n", 183 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 184 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 185 printk("tvp5150: Interrupt status register B = 0x%02x\n", 186 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 187 printk("tvp5150: Interrupt active register B = 0x%02x\n", 188 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 189 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 190 tvp5150_read(sd, TVP5150_STATUS_REG_1), 191 tvp5150_read(sd, TVP5150_STATUS_REG_2), 192 tvp5150_read(sd, TVP5150_STATUS_REG_3), 193 tvp5150_read(sd, TVP5150_STATUS_REG_4), 194 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 195 196 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 197 TVP5150_TELETEXT_FIL1_END, 8); 198 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 199 TVP5150_TELETEXT_FIL2_END, 8); 200 201 printk("tvp5150: Teletext filter enable = 0x%02x\n", 202 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 203 printk("tvp5150: Interrupt status register A = 0x%02x\n", 204 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 205 printk("tvp5150: Interrupt enable register A = 0x%02x\n", 206 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 207 printk("tvp5150: Interrupt configuration = 0x%02x\n", 208 tvp5150_read(sd, TVP5150_INT_CONF)); 209 printk("tvp5150: VDP status register = 0x%02x\n", 210 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 211 printk("tvp5150: FIFO word count = 0x%02x\n", 212 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 213 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n", 214 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 215 printk("tvp5150: FIFO reset = 0x%02x\n", 216 tvp5150_read(sd, TVP5150_FIFO_RESET)); 217 printk("tvp5150: Line number interrupt = 0x%02x\n", 218 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 219 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n", 220 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 221 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 222 printk("tvp5150: FIFO output control = 0x%02x\n", 223 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 224 printk("tvp5150: Full field enable = 0x%02x\n", 225 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 226 printk("tvp5150: Full field mode register = 0x%02x\n", 227 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 228 229 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 230 TVP5150_CC_DATA_END, 8); 231 232 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 233 TVP5150_WSS_DATA_END, 8); 234 235 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 236 TVP5150_VPS_DATA_END, 8); 237 238 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 239 TVP5150_VITC_DATA_END, 10); 240 241 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 242 TVP5150_LINE_MODE_END, 8); 243 return 0; 244 } 245 246 /**************************************************************************** 247 Basic functions 248 ****************************************************************************/ 249 250 static inline void tvp5150_selmux(struct v4l2_subdev *sd) 251 { 252 int opmode = 0; 253 struct tvp5150 *decoder = to_tvp5150(sd); 254 int input = 0; 255 int val; 256 257 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable) 258 input = 8; 259 260 switch (decoder->input) { 261 case TVP5150_COMPOSITE1: 262 input |= 2; 263 /* fall through */ 264 case TVP5150_COMPOSITE0: 265 break; 266 case TVP5150_SVIDEO: 267 default: 268 input |= 1; 269 break; 270 } 271 272 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i " 273 "=> tvp5150 input=%i, opmode=%i\n", 274 decoder->input, decoder->output, 275 input, opmode); 276 277 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 278 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 279 280 /* Svideo should enable YCrCb output and disable GPCL output 281 * For Composite and TV, it should be the reverse 282 */ 283 val = tvp5150_read(sd, TVP5150_MISC_CTL); 284 if (val < 0) { 285 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val); 286 return; 287 } 288 289 if (decoder->input == TVP5150_SVIDEO) 290 val = (val & ~0x40) | 0x10; 291 else 292 val = (val & ~0x10) | 0x40; 293 tvp5150_write(sd, TVP5150_MISC_CTL, val); 294 }; 295 296 struct i2c_reg_value { 297 unsigned char reg; 298 unsigned char value; 299 }; 300 301 /* Default values as sugested at TVP5150AM1 datasheet */ 302 static const struct i2c_reg_value tvp5150_init_default[] = { 303 { /* 0x00 */ 304 TVP5150_VD_IN_SRC_SEL_1,0x00 305 }, 306 { /* 0x01 */ 307 TVP5150_ANAL_CHL_CTL,0x15 308 }, 309 { /* 0x02 */ 310 TVP5150_OP_MODE_CTL,0x00 311 }, 312 { /* 0x03 */ 313 TVP5150_MISC_CTL,0x01 314 }, 315 { /* 0x06 */ 316 TVP5150_COLOR_KIL_THSH_CTL,0x10 317 }, 318 { /* 0x07 */ 319 TVP5150_LUMA_PROC_CTL_1,0x60 320 }, 321 { /* 0x08 */ 322 TVP5150_LUMA_PROC_CTL_2,0x00 323 }, 324 { /* 0x09 */ 325 TVP5150_BRIGHT_CTL,0x80 326 }, 327 { /* 0x0a */ 328 TVP5150_SATURATION_CTL,0x80 329 }, 330 { /* 0x0b */ 331 TVP5150_HUE_CTL,0x00 332 }, 333 { /* 0x0c */ 334 TVP5150_CONTRAST_CTL,0x80 335 }, 336 { /* 0x0d */ 337 TVP5150_DATA_RATE_SEL,0x47 338 }, 339 { /* 0x0e */ 340 TVP5150_LUMA_PROC_CTL_3,0x00 341 }, 342 { /* 0x0f */ 343 TVP5150_CONF_SHARED_PIN,0x08 344 }, 345 { /* 0x11 */ 346 TVP5150_ACT_VD_CROP_ST_MSB,0x00 347 }, 348 { /* 0x12 */ 349 TVP5150_ACT_VD_CROP_ST_LSB,0x00 350 }, 351 { /* 0x13 */ 352 TVP5150_ACT_VD_CROP_STP_MSB,0x00 353 }, 354 { /* 0x14 */ 355 TVP5150_ACT_VD_CROP_STP_LSB,0x00 356 }, 357 { /* 0x15 */ 358 TVP5150_GENLOCK,0x01 359 }, 360 { /* 0x16 */ 361 TVP5150_HORIZ_SYNC_START,0x80 362 }, 363 { /* 0x18 */ 364 TVP5150_VERT_BLANKING_START,0x00 365 }, 366 { /* 0x19 */ 367 TVP5150_VERT_BLANKING_STOP,0x00 368 }, 369 { /* 0x1a */ 370 TVP5150_CHROMA_PROC_CTL_1,0x0c 371 }, 372 { /* 0x1b */ 373 TVP5150_CHROMA_PROC_CTL_2,0x14 374 }, 375 { /* 0x1c */ 376 TVP5150_INT_RESET_REG_B,0x00 377 }, 378 { /* 0x1d */ 379 TVP5150_INT_ENABLE_REG_B,0x00 380 }, 381 { /* 0x1e */ 382 TVP5150_INTT_CONFIG_REG_B,0x00 383 }, 384 { /* 0x28 */ 385 TVP5150_VIDEO_STD,0x00 386 }, 387 { /* 0x2e */ 388 TVP5150_MACROVISION_ON_CTR,0x0f 389 }, 390 { /* 0x2f */ 391 TVP5150_MACROVISION_OFF_CTR,0x01 392 }, 393 { /* 0xbb */ 394 TVP5150_TELETEXT_FIL_ENA,0x00 395 }, 396 { /* 0xc0 */ 397 TVP5150_INT_STATUS_REG_A,0x00 398 }, 399 { /* 0xc1 */ 400 TVP5150_INT_ENABLE_REG_A,0x00 401 }, 402 { /* 0xc2 */ 403 TVP5150_INT_CONF,0x04 404 }, 405 { /* 0xc8 */ 406 TVP5150_FIFO_INT_THRESHOLD,0x80 407 }, 408 { /* 0xc9 */ 409 TVP5150_FIFO_RESET,0x00 410 }, 411 { /* 0xca */ 412 TVP5150_LINE_NUMBER_INT,0x00 413 }, 414 { /* 0xcb */ 415 TVP5150_PIX_ALIGN_REG_LOW,0x4e 416 }, 417 { /* 0xcc */ 418 TVP5150_PIX_ALIGN_REG_HIGH,0x00 419 }, 420 { /* 0xcd */ 421 TVP5150_FIFO_OUT_CTRL,0x01 422 }, 423 { /* 0xcf */ 424 TVP5150_FULL_FIELD_ENA,0x00 425 }, 426 { /* 0xd0 */ 427 TVP5150_LINE_MODE_INI,0x00 428 }, 429 { /* 0xfc */ 430 TVP5150_FULL_FIELD_MODE_REG,0x7f 431 }, 432 { /* end of data */ 433 0xff,0xff 434 } 435 }; 436 437 /* Default values as sugested at TVP5150AM1 datasheet */ 438 static const struct i2c_reg_value tvp5150_init_enable[] = { 439 { 440 TVP5150_CONF_SHARED_PIN, 2 441 },{ /* Automatic offset and AGC enabled */ 442 TVP5150_ANAL_CHL_CTL, 0x15 443 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 444 TVP5150_MISC_CTL, 0x6f 445 },{ /* Activates video std autodetection for all standards */ 446 TVP5150_AUTOSW_MSK, 0x0 447 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 448 TVP5150_DATA_RATE_SEL, 0x47 449 },{ 450 TVP5150_CHROMA_PROC_CTL_1, 0x0c 451 },{ 452 TVP5150_CHROMA_PROC_CTL_2, 0x54 453 },{ /* Non documented, but initialized on WinTV USB2 */ 454 0x27, 0x20 455 },{ 456 0xff,0xff 457 } 458 }; 459 460 struct tvp5150_vbi_type { 461 unsigned int vbi_type; 462 unsigned int ini_line; 463 unsigned int end_line; 464 unsigned int by_field :1; 465 }; 466 467 struct i2c_vbi_ram_value { 468 u16 reg; 469 struct tvp5150_vbi_type type; 470 unsigned char values[16]; 471 }; 472 473 /* This struct have the values for each supported VBI Standard 474 * by 475 tvp5150_vbi_types should follow the same order as vbi_ram_default 476 * value 0 means rom position 0x10, value 1 means rom position 0x30 477 * and so on. There are 16 possible locations from 0 to 15. 478 */ 479 480 static struct i2c_vbi_ram_value vbi_ram_default[] = 481 { 482 /* FIXME: Current api doesn't handle all VBI types, those not 483 yet supported are placed under #if 0 */ 484 #if 0 485 {0x010, /* Teletext, SECAM, WST System A */ 486 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 487 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 488 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 489 }, 490 #endif 491 {0x030, /* Teletext, PAL, WST System B */ 492 {V4L2_SLICED_TELETEXT_B,6,22,1}, 493 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 494 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 495 }, 496 #if 0 497 {0x050, /* Teletext, PAL, WST System C */ 498 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 499 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 500 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 501 }, 502 {0x070, /* Teletext, NTSC, WST System B */ 503 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 504 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 505 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 506 }, 507 {0x090, /* Tetetext, NTSC NABTS System C */ 508 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 509 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 510 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 511 }, 512 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 513 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 514 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 515 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 516 }, 517 {0x0d0, /* Closed Caption, PAL/SECAM */ 518 {V4L2_SLICED_CAPTION_625,22,22,1}, 519 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 520 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 521 }, 522 #endif 523 {0x0f0, /* Closed Caption, NTSC */ 524 {V4L2_SLICED_CAPTION_525,21,21,1}, 525 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 526 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 527 }, 528 {0x110, /* Wide Screen Signal, PAL/SECAM */ 529 {V4L2_SLICED_WSS_625,23,23,1}, 530 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 531 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 532 }, 533 #if 0 534 {0x130, /* Wide Screen Signal, NTSC C */ 535 {V4L2_SLICED_WSS_525,20,20,1}, 536 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 537 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 538 }, 539 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 540 {V4l2_SLICED_VITC_625,6,22,0}, 541 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 542 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 543 }, 544 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 545 {V4l2_SLICED_VITC_525,10,20,0}, 546 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 547 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 548 }, 549 #endif 550 {0x190, /* Video Program System (VPS), PAL */ 551 {V4L2_SLICED_VPS,16,16,0}, 552 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 553 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 554 }, 555 /* 0x1d0 User programmable */ 556 557 /* End of struct */ 558 { (u16)-1 } 559 }; 560 561 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 562 const struct i2c_reg_value *regs) 563 { 564 while (regs->reg != 0xff) { 565 tvp5150_write(sd, regs->reg, regs->value); 566 regs++; 567 } 568 return 0; 569 } 570 571 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 572 const struct i2c_vbi_ram_value *regs) 573 { 574 unsigned int i; 575 576 /* Disable Full Field */ 577 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 578 579 /* Before programming, Line mode should be at 0xff */ 580 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 581 tvp5150_write(sd, i, 0xff); 582 583 /* Load Ram Table */ 584 while (regs->reg != (u16)-1) { 585 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 586 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 587 588 for (i = 0; i < 16; i++) 589 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 590 591 regs++; 592 } 593 return 0; 594 } 595 596 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 597 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 598 struct v4l2_sliced_vbi_cap *cap) 599 { 600 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 601 int line; 602 603 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n"); 604 memset(cap, 0, sizeof *cap); 605 606 while (regs->reg != (u16)-1 ) { 607 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 608 cap->service_lines[0][line] |= regs->type.vbi_type; 609 } 610 cap->service_set |= regs->type.vbi_type; 611 612 regs++; 613 } 614 return 0; 615 } 616 617 /* Set vbi processing 618 * type - one of tvp5150_vbi_types 619 * line - line to gather data 620 * fields: bit 0 field1, bit 1, field2 621 * flags (default=0xf0) is a bitmask, were set means: 622 * bit 7: enable filtering null bytes on CC 623 * bit 6: send data also to FIFO 624 * bit 5: don't allow data with errors on FIFO 625 * bit 4: enable ECC when possible 626 * pix_align = pix alignment: 627 * LSB = field1 628 * MSB = field2 629 */ 630 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 631 const struct i2c_vbi_ram_value *regs, 632 unsigned int type,u8 flags, int line, 633 const int fields) 634 { 635 struct tvp5150 *decoder = to_tvp5150(sd); 636 v4l2_std_id std = decoder->norm; 637 u8 reg; 638 int pos=0; 639 640 if (std == V4L2_STD_ALL) { 641 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 642 return 0; 643 } else if (std & V4L2_STD_625_50) { 644 /* Don't follow NTSC Line number convension */ 645 line += 3; 646 } 647 648 if (line<6||line>27) 649 return 0; 650 651 while (regs->reg != (u16)-1 ) { 652 if ((type & regs->type.vbi_type) && 653 (line>=regs->type.ini_line) && 654 (line<=regs->type.end_line)) { 655 type=regs->type.vbi_type; 656 break; 657 } 658 659 regs++; 660 pos++; 661 } 662 if (regs->reg == (u16)-1) 663 return 0; 664 665 type=pos | (flags & 0xf0); 666 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 667 668 if (fields&1) { 669 tvp5150_write(sd, reg, type); 670 } 671 672 if (fields&2) { 673 tvp5150_write(sd, reg+1, type); 674 } 675 676 return type; 677 } 678 679 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 680 const struct i2c_vbi_ram_value *regs, int line) 681 { 682 struct tvp5150 *decoder = to_tvp5150(sd); 683 v4l2_std_id std = decoder->norm; 684 u8 reg; 685 int pos, type = 0; 686 int i, ret = 0; 687 688 if (std == V4L2_STD_ALL) { 689 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 690 return 0; 691 } else if (std & V4L2_STD_625_50) { 692 /* Don't follow NTSC Line number convension */ 693 line += 3; 694 } 695 696 if (line < 6 || line > 27) 697 return 0; 698 699 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 700 701 for (i = 0; i <= 1; i++) { 702 ret = tvp5150_read(sd, reg + i); 703 if (ret < 0) { 704 v4l2_err(sd, "%s: failed with error = %d\n", 705 __func__, ret); 706 return 0; 707 } 708 pos = ret & 0x0f; 709 if (pos < 0x0f) 710 type |= regs[pos].type.vbi_type; 711 } 712 713 return type; 714 } 715 716 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 717 { 718 struct tvp5150 *decoder = to_tvp5150(sd); 719 int fmt = 0; 720 721 decoder->norm = std; 722 723 /* First tests should be against specific std */ 724 725 if (std == V4L2_STD_NTSC_443) { 726 fmt = VIDEO_STD_NTSC_4_43_BIT; 727 } else if (std == V4L2_STD_PAL_M) { 728 fmt = VIDEO_STD_PAL_M_BIT; 729 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 730 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 731 } else { 732 /* Then, test against generic ones */ 733 if (std & V4L2_STD_NTSC) 734 fmt = VIDEO_STD_NTSC_MJ_BIT; 735 else if (std & V4L2_STD_PAL) 736 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 737 else if (std & V4L2_STD_SECAM) 738 fmt = VIDEO_STD_SECAM_BIT; 739 } 740 741 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt); 742 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 743 return 0; 744 } 745 746 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 747 { 748 struct tvp5150 *decoder = to_tvp5150(sd); 749 750 if (decoder->norm == std) 751 return 0; 752 753 /* Change cropping height limits */ 754 if (std & V4L2_STD_525_60) 755 decoder->rect.height = TVP5150_V_MAX_525_60; 756 else 757 decoder->rect.height = TVP5150_V_MAX_OTHERS; 758 759 760 return tvp5150_set_std(sd, std); 761 } 762 763 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 764 { 765 struct tvp5150 *decoder = to_tvp5150(sd); 766 767 /* Initializes TVP5150 to its default values */ 768 tvp5150_write_inittab(sd, tvp5150_init_default); 769 770 /* Initializes VDP registers */ 771 tvp5150_vdp_init(sd, vbi_ram_default); 772 773 /* Selects decoder input */ 774 tvp5150_selmux(sd); 775 776 /* Initializes TVP5150 to stream enabled values */ 777 tvp5150_write_inittab(sd, tvp5150_init_enable); 778 779 /* Initialize image preferences */ 780 v4l2_ctrl_handler_setup(&decoder->hdl); 781 782 tvp5150_set_std(sd, decoder->norm); 783 784 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 785 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 786 787 return 0; 788 }; 789 790 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 791 { 792 struct v4l2_subdev *sd = to_sd(ctrl); 793 794 switch (ctrl->id) { 795 case V4L2_CID_BRIGHTNESS: 796 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 797 return 0; 798 case V4L2_CID_CONTRAST: 799 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 800 return 0; 801 case V4L2_CID_SATURATION: 802 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 803 return 0; 804 case V4L2_CID_HUE: 805 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 806 return 0; 807 } 808 return -EINVAL; 809 } 810 811 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 812 { 813 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 814 815 switch (val & 0x0F) { 816 case 0x01: 817 return V4L2_STD_NTSC; 818 case 0x03: 819 return V4L2_STD_PAL; 820 case 0x05: 821 return V4L2_STD_PAL_M; 822 case 0x07: 823 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 824 case 0x09: 825 return V4L2_STD_NTSC_443; 826 case 0xb: 827 return V4L2_STD_SECAM; 828 default: 829 return V4L2_STD_UNKNOWN; 830 } 831 } 832 833 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 834 struct v4l2_subdev_pad_config *cfg, 835 struct v4l2_subdev_format *format) 836 { 837 struct v4l2_mbus_framefmt *f; 838 struct tvp5150 *decoder = to_tvp5150(sd); 839 840 if (!format || format->pad) 841 return -EINVAL; 842 843 f = &format->format; 844 845 tvp5150_reset(sd, 0); 846 847 f->width = decoder->rect.width; 848 f->height = decoder->rect.height / 2; 849 850 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 851 f->field = V4L2_FIELD_ALTERNATE; 852 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 853 854 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width, 855 f->height); 856 return 0; 857 } 858 859 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) 860 { 861 struct v4l2_rect rect = a->c; 862 struct tvp5150 *decoder = to_tvp5150(sd); 863 v4l2_std_id std; 864 unsigned int hmax; 865 866 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n", 867 __func__, rect.left, rect.top, rect.width, rect.height); 868 869 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 870 return -EINVAL; 871 872 /* tvp5150 has some special limits */ 873 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 874 rect.width = clamp_t(unsigned int, rect.width, 875 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 876 TVP5150_H_MAX - rect.left); 877 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 878 879 /* Calculate height based on current standard */ 880 if (decoder->norm == V4L2_STD_ALL) 881 std = tvp5150_read_std(sd); 882 else 883 std = decoder->norm; 884 885 if (std & V4L2_STD_525_60) 886 hmax = TVP5150_V_MAX_525_60; 887 else 888 hmax = TVP5150_V_MAX_OTHERS; 889 890 rect.height = clamp_t(unsigned int, rect.height, 891 hmax - TVP5150_MAX_CROP_TOP - rect.top, 892 hmax - rect.top); 893 894 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 895 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 896 rect.top + rect.height - hmax); 897 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 898 rect.left >> TVP5150_CROP_SHIFT); 899 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 900 rect.left | (1 << TVP5150_CROP_SHIFT)); 901 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 902 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 903 TVP5150_CROP_SHIFT); 904 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 905 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 906 907 decoder->rect = rect; 908 909 return 0; 910 } 911 912 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) 913 { 914 struct tvp5150 *decoder = to_tvp5150(sd); 915 916 a->c = decoder->rect; 917 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 918 919 return 0; 920 } 921 922 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) 923 { 924 struct tvp5150 *decoder = to_tvp5150(sd); 925 v4l2_std_id std; 926 927 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 928 return -EINVAL; 929 930 a->bounds.left = 0; 931 a->bounds.top = 0; 932 a->bounds.width = TVP5150_H_MAX; 933 934 /* Calculate height based on current standard */ 935 if (decoder->norm == V4L2_STD_ALL) 936 std = tvp5150_read_std(sd); 937 else 938 std = decoder->norm; 939 940 if (std & V4L2_STD_525_60) 941 a->bounds.height = TVP5150_V_MAX_525_60; 942 else 943 a->bounds.height = TVP5150_V_MAX_OTHERS; 944 945 a->defrect = a->bounds; 946 a->pixelaspect.numerator = 1; 947 a->pixelaspect.denominator = 1; 948 949 return 0; 950 } 951 952 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 953 struct v4l2_mbus_config *cfg) 954 { 955 struct tvp5150 *decoder = to_tvp5150(sd); 956 957 cfg->type = decoder->mbus_type; 958 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 959 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 960 961 return 0; 962 } 963 964 /**************************************************************************** 965 V4L2 subdev pad ops 966 ****************************************************************************/ 967 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 968 struct v4l2_subdev_pad_config *cfg, 969 struct v4l2_subdev_mbus_code_enum *code) 970 { 971 if (code->pad || code->index) 972 return -EINVAL; 973 974 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 975 return 0; 976 } 977 978 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 979 struct v4l2_subdev_pad_config *cfg, 980 struct v4l2_subdev_frame_size_enum *fse) 981 { 982 struct tvp5150 *decoder = to_tvp5150(sd); 983 984 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 985 return -EINVAL; 986 987 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 988 fse->min_width = decoder->rect.width; 989 fse->max_width = decoder->rect.width; 990 fse->min_height = decoder->rect.height / 2; 991 fse->max_height = decoder->rect.height / 2; 992 993 return 0; 994 } 995 996 /**************************************************************************** 997 I2C Command 998 ****************************************************************************/ 999 1000 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1001 { 1002 struct tvp5150 *decoder = to_tvp5150(sd); 1003 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */ 1004 int val = 0x09; 1005 1006 /* Output format: 8-bit 4:2:2 YUV with discrete sync */ 1007 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1008 val = 0x0d; 1009 1010 /* Initializes TVP5150 to its default values */ 1011 /* # set PCLK (27MHz) */ 1012 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00); 1013 1014 if (enable) 1015 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1016 else 1017 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00); 1018 1019 return 0; 1020 } 1021 1022 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1023 u32 input, u32 output, u32 config) 1024 { 1025 struct tvp5150 *decoder = to_tvp5150(sd); 1026 1027 decoder->input = input; 1028 decoder->output = output; 1029 tvp5150_selmux(sd); 1030 return 0; 1031 } 1032 1033 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1034 { 1035 /* this is for capturing 36 raw vbi lines 1036 if there's a way to cut off the beginning 2 vbi lines 1037 with the tvp5150 then the vbi line count could be lowered 1038 to 17 lines/field again, although I couldn't find a register 1039 which could do that cropping */ 1040 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1041 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1042 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1043 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1044 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1045 } 1046 return 0; 1047 } 1048 1049 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1050 { 1051 int i; 1052 1053 if (svbi->service_set != 0) { 1054 for (i = 0; i <= 23; i++) { 1055 svbi->service_lines[1][i] = 0; 1056 svbi->service_lines[0][i] = 1057 tvp5150_set_vbi(sd, vbi_ram_default, 1058 svbi->service_lines[0][i], 0xf0, i, 3); 1059 } 1060 /* Enables FIFO */ 1061 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1062 } else { 1063 /* Disables FIFO*/ 1064 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1065 1066 /* Disable Full Field */ 1067 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1068 1069 /* Disable Line modes */ 1070 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1071 tvp5150_write(sd, i, 0xff); 1072 } 1073 return 0; 1074 } 1075 1076 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1077 { 1078 int i, mask = 0; 1079 1080 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1081 1082 for (i = 0; i <= 23; i++) { 1083 svbi->service_lines[0][i] = 1084 tvp5150_get_vbi(sd, vbi_ram_default, i); 1085 mask |= svbi->service_lines[0][i]; 1086 } 1087 svbi->service_set = mask; 1088 return 0; 1089 } 1090 1091 #ifdef CONFIG_VIDEO_ADV_DEBUG 1092 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1093 { 1094 int res; 1095 1096 res = tvp5150_read(sd, reg->reg & 0xff); 1097 if (res < 0) { 1098 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res); 1099 return res; 1100 } 1101 1102 reg->val = res; 1103 reg->size = 1; 1104 return 0; 1105 } 1106 1107 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1108 { 1109 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1110 return 0; 1111 } 1112 #endif 1113 1114 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1115 { 1116 int status = tvp5150_read(sd, 0x88); 1117 1118 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1119 return 0; 1120 } 1121 1122 /* ----------------------------------------------------------------------- */ 1123 1124 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1125 .s_ctrl = tvp5150_s_ctrl, 1126 }; 1127 1128 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1129 .log_status = tvp5150_log_status, 1130 .reset = tvp5150_reset, 1131 #ifdef CONFIG_VIDEO_ADV_DEBUG 1132 .g_register = tvp5150_g_register, 1133 .s_register = tvp5150_s_register, 1134 #endif 1135 }; 1136 1137 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1138 .g_tuner = tvp5150_g_tuner, 1139 }; 1140 1141 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1142 .s_std = tvp5150_s_std, 1143 .s_stream = tvp5150_s_stream, 1144 .s_routing = tvp5150_s_routing, 1145 .s_crop = tvp5150_s_crop, 1146 .g_crop = tvp5150_g_crop, 1147 .cropcap = tvp5150_cropcap, 1148 .g_mbus_config = tvp5150_g_mbus_config, 1149 }; 1150 1151 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1152 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1153 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1154 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1155 .s_raw_fmt = tvp5150_s_raw_fmt, 1156 }; 1157 1158 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1159 .enum_mbus_code = tvp5150_enum_mbus_code, 1160 .enum_frame_size = tvp5150_enum_frame_size, 1161 .set_fmt = tvp5150_fill_fmt, 1162 .get_fmt = tvp5150_fill_fmt, 1163 }; 1164 1165 static const struct v4l2_subdev_ops tvp5150_ops = { 1166 .core = &tvp5150_core_ops, 1167 .tuner = &tvp5150_tuner_ops, 1168 .video = &tvp5150_video_ops, 1169 .vbi = &tvp5150_vbi_ops, 1170 .pad = &tvp5150_pad_ops, 1171 }; 1172 1173 1174 /**************************************************************************** 1175 I2C Client & Driver 1176 ****************************************************************************/ 1177 1178 static int tvp5150_detect_version(struct tvp5150 *core) 1179 { 1180 struct v4l2_subdev *sd = &core->sd; 1181 struct i2c_client *c = v4l2_get_subdevdata(sd); 1182 unsigned int i; 1183 u16 dev_id; 1184 u16 rom_ver; 1185 u8 regs[4]; 1186 int res; 1187 1188 /* 1189 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1190 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1191 */ 1192 for (i = 0; i < 4; i++) { 1193 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1194 if (res < 0) 1195 return res; 1196 regs[i] = res; 1197 } 1198 1199 dev_id = (regs[0] << 8) | regs[1]; 1200 rom_ver = (regs[2] << 8) | regs[3]; 1201 1202 v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1203 dev_id, regs[2], regs[3], c->addr << 1, c->adapter->name); 1204 1205 if (dev_id == 0x5150 && rom_ver == 0x0321) { /* TVP51510A */ 1206 v4l2_info(sd, "tvp5150a detected.\n"); 1207 } else if (dev_id == 0x5150 && rom_ver == 0x0400) { /* TVP5150AM1 */ 1208 v4l2_info(sd, "tvp5150am1 detected.\n"); 1209 1210 /* ITU-T BT.656.4 timing */ 1211 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1212 } else if (dev_id == 0x5151 && rom_ver == 0x0100) { /* TVP5151 */ 1213 v4l2_info(sd, "tvp5151 detected.\n"); 1214 } else { 1215 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n", dev_id); 1216 } 1217 1218 return 0; 1219 } 1220 1221 static int tvp5150_init(struct i2c_client *c) 1222 { 1223 struct gpio_desc *pdn_gpio; 1224 struct gpio_desc *reset_gpio; 1225 1226 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1227 if (IS_ERR(pdn_gpio)) 1228 return PTR_ERR(pdn_gpio); 1229 1230 if (pdn_gpio) { 1231 gpiod_set_value_cansleep(pdn_gpio, 0); 1232 /* Delay time between power supplies active and reset */ 1233 msleep(20); 1234 } 1235 1236 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1237 if (IS_ERR(reset_gpio)) 1238 return PTR_ERR(reset_gpio); 1239 1240 if (reset_gpio) { 1241 /* RESETB pulse duration */ 1242 ndelay(500); 1243 gpiod_set_value_cansleep(reset_gpio, 0); 1244 /* Delay time between end of reset to I2C active */ 1245 usleep_range(200, 250); 1246 } 1247 1248 return 0; 1249 } 1250 1251 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1252 { 1253 struct v4l2_of_endpoint bus_cfg; 1254 struct device_node *ep; 1255 unsigned int flags; 1256 int ret = 0; 1257 1258 ep = of_graph_get_next_endpoint(np, NULL); 1259 if (!ep) 1260 return -EINVAL; 1261 1262 ret = v4l2_of_parse_endpoint(ep, &bus_cfg); 1263 if (ret) 1264 goto err; 1265 1266 flags = bus_cfg.bus.parallel.flags; 1267 1268 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1269 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1270 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1271 flags & V4L2_MBUS_FIELD_EVEN_LOW)) 1272 return -EINVAL; 1273 1274 decoder->mbus_type = bus_cfg.bus_type; 1275 1276 err: 1277 of_node_put(ep); 1278 return ret; 1279 } 1280 1281 static int tvp5150_probe(struct i2c_client *c, 1282 const struct i2c_device_id *id) 1283 { 1284 struct tvp5150 *core; 1285 struct v4l2_subdev *sd; 1286 struct device_node *np = c->dev.of_node; 1287 int res; 1288 1289 /* Check if the adapter supports the needed features */ 1290 if (!i2c_check_functionality(c->adapter, 1291 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1292 return -EIO; 1293 1294 res = tvp5150_init(c); 1295 if (res) 1296 return res; 1297 1298 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1299 if (!core) 1300 return -ENOMEM; 1301 1302 sd = &core->sd; 1303 1304 if (IS_ENABLED(CONFIG_OF) && np) { 1305 res = tvp5150_parse_dt(core, np); 1306 if (res) { 1307 v4l2_err(sd, "DT parsing error: %d\n", res); 1308 return res; 1309 } 1310 } else { 1311 /* Default to BT.656 embedded sync */ 1312 core->mbus_type = V4L2_MBUS_BT656; 1313 } 1314 1315 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1316 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1317 1318 #if defined(CONFIG_MEDIA_CONTROLLER) 1319 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1320 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1321 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1322 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1323 if (res < 0) 1324 return res; 1325 #endif 1326 1327 res = tvp5150_detect_version(core); 1328 if (res < 0) 1329 return res; 1330 1331 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1332 core->input = TVP5150_COMPOSITE1; 1333 core->enable = 1; 1334 1335 v4l2_ctrl_handler_init(&core->hdl, 5); 1336 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1337 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1338 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1339 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1340 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1341 V4L2_CID_SATURATION, 0, 255, 1, 128); 1342 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1343 V4L2_CID_HUE, -128, 127, 1, 0); 1344 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1345 V4L2_CID_PIXEL_RATE, 27000000, 1346 27000000, 1, 27000000); 1347 sd->ctrl_handler = &core->hdl; 1348 if (core->hdl.error) { 1349 res = core->hdl.error; 1350 goto err; 1351 } 1352 v4l2_ctrl_handler_setup(&core->hdl); 1353 1354 /* Default is no cropping */ 1355 core->rect.top = 0; 1356 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1357 core->rect.height = TVP5150_V_MAX_525_60; 1358 else 1359 core->rect.height = TVP5150_V_MAX_OTHERS; 1360 core->rect.left = 0; 1361 core->rect.width = TVP5150_H_MAX; 1362 1363 res = v4l2_async_register_subdev(sd); 1364 if (res < 0) 1365 goto err; 1366 1367 if (debug > 1) 1368 tvp5150_log_status(sd); 1369 return 0; 1370 1371 err: 1372 v4l2_ctrl_handler_free(&core->hdl); 1373 return res; 1374 } 1375 1376 static int tvp5150_remove(struct i2c_client *c) 1377 { 1378 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1379 struct tvp5150 *decoder = to_tvp5150(sd); 1380 1381 v4l2_dbg(1, debug, sd, 1382 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1383 c->addr << 1); 1384 1385 v4l2_async_unregister_subdev(sd); 1386 v4l2_ctrl_handler_free(&decoder->hdl); 1387 return 0; 1388 } 1389 1390 /* ----------------------------------------------------------------------- */ 1391 1392 static const struct i2c_device_id tvp5150_id[] = { 1393 { "tvp5150", 0 }, 1394 { } 1395 }; 1396 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1397 1398 #if IS_ENABLED(CONFIG_OF) 1399 static const struct of_device_id tvp5150_of_match[] = { 1400 { .compatible = "ti,tvp5150", }, 1401 { /* sentinel */ }, 1402 }; 1403 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1404 #endif 1405 1406 static struct i2c_driver tvp5150_driver = { 1407 .driver = { 1408 .of_match_table = of_match_ptr(tvp5150_of_match), 1409 .name = "tvp5150", 1410 }, 1411 .probe = tvp5150_probe, 1412 .remove = tvp5150_remove, 1413 .id_table = tvp5150_id, 1414 }; 1415 1416 module_i2c_driver(tvp5150_driver); 1417