1 /* 2 * tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 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 <dt-bindings/media/tvp5150.h> 9 #include <linux/i2c.h> 10 #include <linux/slab.h> 11 #include <linux/videodev2.h> 12 #include <linux/delay.h> 13 #include <linux/gpio/consumer.h> 14 #include <linux/module.h> 15 #include <media/v4l2-async.h> 16 #include <media/v4l2-device.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/TVP5150AM1/TVP5151 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 struct media_entity input_ent[TVP5150_INPUT_NUM]; 44 struct media_pad input_pad[TVP5150_INPUT_NUM]; 45 #endif 46 struct v4l2_ctrl_handler hdl; 47 struct v4l2_rect rect; 48 49 v4l2_std_id norm; /* Current set standard */ 50 u32 input; 51 u32 output; 52 int enable; 53 54 u16 dev_id; 55 u16 rom_ver; 56 57 enum v4l2_mbus_type mbus_type; 58 }; 59 60 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 61 { 62 return container_of(sd, struct tvp5150, sd); 63 } 64 65 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 66 { 67 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 68 } 69 70 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 71 { 72 struct i2c_client *c = v4l2_get_subdevdata(sd); 73 int rc; 74 75 rc = i2c_smbus_read_byte_data(c, addr); 76 if (rc < 0) { 77 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc); 78 return rc; 79 } 80 81 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc); 82 83 return rc; 84 } 85 86 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 87 unsigned char value) 88 { 89 struct i2c_client *c = v4l2_get_subdevdata(sd); 90 int rc; 91 92 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value); 93 rc = i2c_smbus_write_byte_data(c, addr, value); 94 if (rc < 0) 95 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc); 96 97 return rc; 98 } 99 100 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 101 const u8 end, int max_line) 102 { 103 int i = 0; 104 105 while (init != (u8)(end + 1)) { 106 if ((i % max_line) == 0) { 107 if (i > 0) 108 printk("\n"); 109 printk("tvp5150: %s reg 0x%02x = ", s, init); 110 } 111 printk("%02x ", tvp5150_read(sd, init)); 112 113 init++; 114 i++; 115 } 116 printk("\n"); 117 } 118 119 static int tvp5150_log_status(struct v4l2_subdev *sd) 120 { 121 printk("tvp5150: Video input source selection #1 = 0x%02x\n", 122 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 123 printk("tvp5150: Analog channel controls = 0x%02x\n", 124 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 125 printk("tvp5150: Operation mode controls = 0x%02x\n", 126 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 127 printk("tvp5150: Miscellaneous controls = 0x%02x\n", 128 tvp5150_read(sd, TVP5150_MISC_CTL)); 129 printk("tvp5150: Autoswitch mask= 0x%02x\n", 130 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 131 printk("tvp5150: Color killer threshold control = 0x%02x\n", 132 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 133 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 134 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 135 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 136 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 137 printk("tvp5150: Brightness control = 0x%02x\n", 138 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 139 printk("tvp5150: Color saturation control = 0x%02x\n", 140 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 141 printk("tvp5150: Hue control = 0x%02x\n", 142 tvp5150_read(sd, TVP5150_HUE_CTL)); 143 printk("tvp5150: Contrast control = 0x%02x\n", 144 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 145 printk("tvp5150: Outputs and data rates select = 0x%02x\n", 146 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 147 printk("tvp5150: Configuration shared pins = 0x%02x\n", 148 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 149 printk("tvp5150: Active video cropping start = 0x%02x%02x\n", 150 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 151 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 152 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n", 153 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 154 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 155 printk("tvp5150: Genlock/RTC = 0x%02x\n", 156 tvp5150_read(sd, TVP5150_GENLOCK)); 157 printk("tvp5150: Horizontal sync start = 0x%02x\n", 158 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 159 printk("tvp5150: Vertical blanking start = 0x%02x\n", 160 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 161 printk("tvp5150: Vertical blanking stop = 0x%02x\n", 162 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 163 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 164 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 165 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 166 printk("tvp5150: Interrupt reset register B = 0x%02x\n", 167 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 168 printk("tvp5150: Interrupt enable register B = 0x%02x\n", 169 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 170 printk("tvp5150: Interrupt configuration register B = 0x%02x\n", 171 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 172 printk("tvp5150: Video standard = 0x%02x\n", 173 tvp5150_read(sd, TVP5150_VIDEO_STD)); 174 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 175 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 176 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 177 printk("tvp5150: Macrovision on counter = 0x%02x\n", 178 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 179 printk("tvp5150: Macrovision off counter = 0x%02x\n", 180 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 181 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 182 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 183 printk("tvp5150: Device ID = %02x%02x\n", 184 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 185 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 186 printk("tvp5150: ROM version = (hex) %02x.%02x\n", 187 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 188 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 189 printk("tvp5150: Vertical line count = 0x%02x%02x\n", 190 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 191 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 192 printk("tvp5150: Interrupt status register B = 0x%02x\n", 193 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 194 printk("tvp5150: Interrupt active register B = 0x%02x\n", 195 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 196 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 197 tvp5150_read(sd, TVP5150_STATUS_REG_1), 198 tvp5150_read(sd, TVP5150_STATUS_REG_2), 199 tvp5150_read(sd, TVP5150_STATUS_REG_3), 200 tvp5150_read(sd, TVP5150_STATUS_REG_4), 201 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 202 203 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 204 TVP5150_TELETEXT_FIL1_END, 8); 205 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 206 TVP5150_TELETEXT_FIL2_END, 8); 207 208 printk("tvp5150: Teletext filter enable = 0x%02x\n", 209 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 210 printk("tvp5150: Interrupt status register A = 0x%02x\n", 211 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 212 printk("tvp5150: Interrupt enable register A = 0x%02x\n", 213 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 214 printk("tvp5150: Interrupt configuration = 0x%02x\n", 215 tvp5150_read(sd, TVP5150_INT_CONF)); 216 printk("tvp5150: VDP status register = 0x%02x\n", 217 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 218 printk("tvp5150: FIFO word count = 0x%02x\n", 219 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 220 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n", 221 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 222 printk("tvp5150: FIFO reset = 0x%02x\n", 223 tvp5150_read(sd, TVP5150_FIFO_RESET)); 224 printk("tvp5150: Line number interrupt = 0x%02x\n", 225 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 226 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n", 227 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 228 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 229 printk("tvp5150: FIFO output control = 0x%02x\n", 230 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 231 printk("tvp5150: Full field enable = 0x%02x\n", 232 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 233 printk("tvp5150: Full field mode register = 0x%02x\n", 234 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 235 236 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 237 TVP5150_CC_DATA_END, 8); 238 239 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 240 TVP5150_WSS_DATA_END, 8); 241 242 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 243 TVP5150_VPS_DATA_END, 8); 244 245 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 246 TVP5150_VITC_DATA_END, 10); 247 248 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 249 TVP5150_LINE_MODE_END, 8); 250 return 0; 251 } 252 253 /**************************************************************************** 254 Basic functions 255 ****************************************************************************/ 256 257 static inline void tvp5150_selmux(struct v4l2_subdev *sd) 258 { 259 int opmode = 0; 260 struct tvp5150 *decoder = to_tvp5150(sd); 261 int input = 0; 262 int val; 263 264 /* Only tvp5150am1 and tvp5151 have signal generator support */ 265 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 266 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 267 if (!decoder->enable) 268 input = 8; 269 } 270 271 switch (decoder->input) { 272 case TVP5150_COMPOSITE1: 273 input |= 2; 274 /* fall through */ 275 case TVP5150_COMPOSITE0: 276 break; 277 case TVP5150_SVIDEO: 278 default: 279 input |= 1; 280 break; 281 } 282 283 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i " 284 "=> tvp5150 input=%i, opmode=%i\n", 285 decoder->input, decoder->output, 286 input, opmode); 287 288 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 289 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 290 291 /* Svideo should enable YCrCb output and disable GPCL output 292 * For Composite and TV, it should be the reverse 293 */ 294 val = tvp5150_read(sd, TVP5150_MISC_CTL); 295 if (val < 0) { 296 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val); 297 return; 298 } 299 300 if (decoder->input == TVP5150_SVIDEO) 301 val = (val & ~0x40) | 0x10; 302 else 303 val = (val & ~0x10) | 0x40; 304 tvp5150_write(sd, TVP5150_MISC_CTL, val); 305 }; 306 307 struct i2c_reg_value { 308 unsigned char reg; 309 unsigned char value; 310 }; 311 312 /* Default values as sugested at TVP5150AM1 datasheet */ 313 static const struct i2c_reg_value tvp5150_init_default[] = { 314 { /* 0x00 */ 315 TVP5150_VD_IN_SRC_SEL_1,0x00 316 }, 317 { /* 0x01 */ 318 TVP5150_ANAL_CHL_CTL,0x15 319 }, 320 { /* 0x02 */ 321 TVP5150_OP_MODE_CTL,0x00 322 }, 323 { /* 0x03 */ 324 TVP5150_MISC_CTL,0x01 325 }, 326 { /* 0x06 */ 327 TVP5150_COLOR_KIL_THSH_CTL,0x10 328 }, 329 { /* 0x07 */ 330 TVP5150_LUMA_PROC_CTL_1,0x60 331 }, 332 { /* 0x08 */ 333 TVP5150_LUMA_PROC_CTL_2,0x00 334 }, 335 { /* 0x09 */ 336 TVP5150_BRIGHT_CTL,0x80 337 }, 338 { /* 0x0a */ 339 TVP5150_SATURATION_CTL,0x80 340 }, 341 { /* 0x0b */ 342 TVP5150_HUE_CTL,0x00 343 }, 344 { /* 0x0c */ 345 TVP5150_CONTRAST_CTL,0x80 346 }, 347 { /* 0x0d */ 348 TVP5150_DATA_RATE_SEL,0x47 349 }, 350 { /* 0x0e */ 351 TVP5150_LUMA_PROC_CTL_3,0x00 352 }, 353 { /* 0x0f */ 354 TVP5150_CONF_SHARED_PIN,0x08 355 }, 356 { /* 0x11 */ 357 TVP5150_ACT_VD_CROP_ST_MSB,0x00 358 }, 359 { /* 0x12 */ 360 TVP5150_ACT_VD_CROP_ST_LSB,0x00 361 }, 362 { /* 0x13 */ 363 TVP5150_ACT_VD_CROP_STP_MSB,0x00 364 }, 365 { /* 0x14 */ 366 TVP5150_ACT_VD_CROP_STP_LSB,0x00 367 }, 368 { /* 0x15 */ 369 TVP5150_GENLOCK,0x01 370 }, 371 { /* 0x16 */ 372 TVP5150_HORIZ_SYNC_START,0x80 373 }, 374 { /* 0x18 */ 375 TVP5150_VERT_BLANKING_START,0x00 376 }, 377 { /* 0x19 */ 378 TVP5150_VERT_BLANKING_STOP,0x00 379 }, 380 { /* 0x1a */ 381 TVP5150_CHROMA_PROC_CTL_1,0x0c 382 }, 383 { /* 0x1b */ 384 TVP5150_CHROMA_PROC_CTL_2,0x14 385 }, 386 { /* 0x1c */ 387 TVP5150_INT_RESET_REG_B,0x00 388 }, 389 { /* 0x1d */ 390 TVP5150_INT_ENABLE_REG_B,0x00 391 }, 392 { /* 0x1e */ 393 TVP5150_INTT_CONFIG_REG_B,0x00 394 }, 395 { /* 0x28 */ 396 TVP5150_VIDEO_STD,0x00 397 }, 398 { /* 0x2e */ 399 TVP5150_MACROVISION_ON_CTR,0x0f 400 }, 401 { /* 0x2f */ 402 TVP5150_MACROVISION_OFF_CTR,0x01 403 }, 404 { /* 0xbb */ 405 TVP5150_TELETEXT_FIL_ENA,0x00 406 }, 407 { /* 0xc0 */ 408 TVP5150_INT_STATUS_REG_A,0x00 409 }, 410 { /* 0xc1 */ 411 TVP5150_INT_ENABLE_REG_A,0x00 412 }, 413 { /* 0xc2 */ 414 TVP5150_INT_CONF,0x04 415 }, 416 { /* 0xc8 */ 417 TVP5150_FIFO_INT_THRESHOLD,0x80 418 }, 419 { /* 0xc9 */ 420 TVP5150_FIFO_RESET,0x00 421 }, 422 { /* 0xca */ 423 TVP5150_LINE_NUMBER_INT,0x00 424 }, 425 { /* 0xcb */ 426 TVP5150_PIX_ALIGN_REG_LOW,0x4e 427 }, 428 { /* 0xcc */ 429 TVP5150_PIX_ALIGN_REG_HIGH,0x00 430 }, 431 { /* 0xcd */ 432 TVP5150_FIFO_OUT_CTRL,0x01 433 }, 434 { /* 0xcf */ 435 TVP5150_FULL_FIELD_ENA,0x00 436 }, 437 { /* 0xd0 */ 438 TVP5150_LINE_MODE_INI,0x00 439 }, 440 { /* 0xfc */ 441 TVP5150_FULL_FIELD_MODE_REG,0x7f 442 }, 443 { /* end of data */ 444 0xff,0xff 445 } 446 }; 447 448 /* Default values as sugested at TVP5150AM1 datasheet */ 449 static const struct i2c_reg_value tvp5150_init_enable[] = { 450 { 451 TVP5150_CONF_SHARED_PIN, 2 452 },{ /* Automatic offset and AGC enabled */ 453 TVP5150_ANAL_CHL_CTL, 0x15 454 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 455 TVP5150_MISC_CTL, 0x6f 456 },{ /* Activates video std autodetection for all standards */ 457 TVP5150_AUTOSW_MSK, 0x0 458 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 459 TVP5150_DATA_RATE_SEL, 0x47 460 },{ 461 TVP5150_CHROMA_PROC_CTL_1, 0x0c 462 },{ 463 TVP5150_CHROMA_PROC_CTL_2, 0x54 464 },{ /* Non documented, but initialized on WinTV USB2 */ 465 0x27, 0x20 466 },{ 467 0xff,0xff 468 } 469 }; 470 471 struct tvp5150_vbi_type { 472 unsigned int vbi_type; 473 unsigned int ini_line; 474 unsigned int end_line; 475 unsigned int by_field :1; 476 }; 477 478 struct i2c_vbi_ram_value { 479 u16 reg; 480 struct tvp5150_vbi_type type; 481 unsigned char values[16]; 482 }; 483 484 /* This struct have the values for each supported VBI Standard 485 * by 486 tvp5150_vbi_types should follow the same order as vbi_ram_default 487 * value 0 means rom position 0x10, value 1 means rom position 0x30 488 * and so on. There are 16 possible locations from 0 to 15. 489 */ 490 491 static struct i2c_vbi_ram_value vbi_ram_default[] = 492 { 493 /* FIXME: Current api doesn't handle all VBI types, those not 494 yet supported are placed under #if 0 */ 495 #if 0 496 {0x010, /* Teletext, SECAM, WST System A */ 497 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 498 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 499 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 500 }, 501 #endif 502 {0x030, /* Teletext, PAL, WST System B */ 503 {V4L2_SLICED_TELETEXT_B,6,22,1}, 504 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 505 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 506 }, 507 #if 0 508 {0x050, /* Teletext, PAL, WST System C */ 509 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 510 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 511 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 512 }, 513 {0x070, /* Teletext, NTSC, WST System B */ 514 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 515 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 516 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 517 }, 518 {0x090, /* Tetetext, NTSC NABTS System C */ 519 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 520 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 521 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 522 }, 523 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 524 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 525 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 526 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 527 }, 528 {0x0d0, /* Closed Caption, PAL/SECAM */ 529 {V4L2_SLICED_CAPTION_625,22,22,1}, 530 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 531 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 532 }, 533 #endif 534 {0x0f0, /* Closed Caption, NTSC */ 535 {V4L2_SLICED_CAPTION_525,21,21,1}, 536 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 537 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 538 }, 539 {0x110, /* Wide Screen Signal, PAL/SECAM */ 540 {V4L2_SLICED_WSS_625,23,23,1}, 541 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 542 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 543 }, 544 #if 0 545 {0x130, /* Wide Screen Signal, NTSC C */ 546 {V4L2_SLICED_WSS_525,20,20,1}, 547 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 548 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 549 }, 550 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 551 {V4l2_SLICED_VITC_625,6,22,0}, 552 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 553 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 554 }, 555 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 556 {V4l2_SLICED_VITC_525,10,20,0}, 557 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 558 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 559 }, 560 #endif 561 {0x190, /* Video Program System (VPS), PAL */ 562 {V4L2_SLICED_VPS,16,16,0}, 563 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 564 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 565 }, 566 /* 0x1d0 User programmable */ 567 568 /* End of struct */ 569 { (u16)-1 } 570 }; 571 572 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 573 const struct i2c_reg_value *regs) 574 { 575 while (regs->reg != 0xff) { 576 tvp5150_write(sd, regs->reg, regs->value); 577 regs++; 578 } 579 return 0; 580 } 581 582 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 583 const struct i2c_vbi_ram_value *regs) 584 { 585 unsigned int i; 586 587 /* Disable Full Field */ 588 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 589 590 /* Before programming, Line mode should be at 0xff */ 591 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 592 tvp5150_write(sd, i, 0xff); 593 594 /* Load Ram Table */ 595 while (regs->reg != (u16)-1) { 596 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 597 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 598 599 for (i = 0; i < 16; i++) 600 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 601 602 regs++; 603 } 604 return 0; 605 } 606 607 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 608 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 609 struct v4l2_sliced_vbi_cap *cap) 610 { 611 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 612 int line; 613 614 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n"); 615 memset(cap, 0, sizeof *cap); 616 617 while (regs->reg != (u16)-1 ) { 618 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 619 cap->service_lines[0][line] |= regs->type.vbi_type; 620 } 621 cap->service_set |= regs->type.vbi_type; 622 623 regs++; 624 } 625 return 0; 626 } 627 628 /* Set vbi processing 629 * type - one of tvp5150_vbi_types 630 * line - line to gather data 631 * fields: bit 0 field1, bit 1, field2 632 * flags (default=0xf0) is a bitmask, were set means: 633 * bit 7: enable filtering null bytes on CC 634 * bit 6: send data also to FIFO 635 * bit 5: don't allow data with errors on FIFO 636 * bit 4: enable ECC when possible 637 * pix_align = pix alignment: 638 * LSB = field1 639 * MSB = field2 640 */ 641 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 642 const struct i2c_vbi_ram_value *regs, 643 unsigned int type,u8 flags, int line, 644 const int fields) 645 { 646 struct tvp5150 *decoder = to_tvp5150(sd); 647 v4l2_std_id std = decoder->norm; 648 u8 reg; 649 int pos=0; 650 651 if (std == V4L2_STD_ALL) { 652 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 653 return 0; 654 } else if (std & V4L2_STD_625_50) { 655 /* Don't follow NTSC Line number convension */ 656 line += 3; 657 } 658 659 if (line<6||line>27) 660 return 0; 661 662 while (regs->reg != (u16)-1 ) { 663 if ((type & regs->type.vbi_type) && 664 (line>=regs->type.ini_line) && 665 (line<=regs->type.end_line)) { 666 type=regs->type.vbi_type; 667 break; 668 } 669 670 regs++; 671 pos++; 672 } 673 if (regs->reg == (u16)-1) 674 return 0; 675 676 type=pos | (flags & 0xf0); 677 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 678 679 if (fields&1) { 680 tvp5150_write(sd, reg, type); 681 } 682 683 if (fields&2) { 684 tvp5150_write(sd, reg+1, type); 685 } 686 687 return type; 688 } 689 690 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 691 const struct i2c_vbi_ram_value *regs, int line) 692 { 693 struct tvp5150 *decoder = to_tvp5150(sd); 694 v4l2_std_id std = decoder->norm; 695 u8 reg; 696 int pos, type = 0; 697 int i, ret = 0; 698 699 if (std == V4L2_STD_ALL) { 700 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 701 return 0; 702 } else if (std & V4L2_STD_625_50) { 703 /* Don't follow NTSC Line number convension */ 704 line += 3; 705 } 706 707 if (line < 6 || line > 27) 708 return 0; 709 710 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 711 712 for (i = 0; i <= 1; i++) { 713 ret = tvp5150_read(sd, reg + i); 714 if (ret < 0) { 715 v4l2_err(sd, "%s: failed with error = %d\n", 716 __func__, ret); 717 return 0; 718 } 719 pos = ret & 0x0f; 720 if (pos < 0x0f) 721 type |= regs[pos].type.vbi_type; 722 } 723 724 return type; 725 } 726 727 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 728 { 729 struct tvp5150 *decoder = to_tvp5150(sd); 730 int fmt = 0; 731 732 decoder->norm = std; 733 734 /* First tests should be against specific std */ 735 736 if (std == V4L2_STD_NTSC_443) { 737 fmt = VIDEO_STD_NTSC_4_43_BIT; 738 } else if (std == V4L2_STD_PAL_M) { 739 fmt = VIDEO_STD_PAL_M_BIT; 740 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 741 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 742 } else { 743 /* Then, test against generic ones */ 744 if (std & V4L2_STD_NTSC) 745 fmt = VIDEO_STD_NTSC_MJ_BIT; 746 else if (std & V4L2_STD_PAL) 747 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 748 else if (std & V4L2_STD_SECAM) 749 fmt = VIDEO_STD_SECAM_BIT; 750 } 751 752 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt); 753 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 754 return 0; 755 } 756 757 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 758 { 759 struct tvp5150 *decoder = to_tvp5150(sd); 760 761 if (decoder->norm == std) 762 return 0; 763 764 /* Change cropping height limits */ 765 if (std & V4L2_STD_525_60) 766 decoder->rect.height = TVP5150_V_MAX_525_60; 767 else 768 decoder->rect.height = TVP5150_V_MAX_OTHERS; 769 770 771 return tvp5150_set_std(sd, std); 772 } 773 774 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 775 { 776 struct tvp5150 *decoder = to_tvp5150(sd); 777 778 /* Initializes TVP5150 to its default values */ 779 tvp5150_write_inittab(sd, tvp5150_init_default); 780 781 /* Initializes VDP registers */ 782 tvp5150_vdp_init(sd, vbi_ram_default); 783 784 /* Selects decoder input */ 785 tvp5150_selmux(sd); 786 787 /* Initializes TVP5150 to stream enabled values */ 788 tvp5150_write_inittab(sd, tvp5150_init_enable); 789 790 /* Initialize image preferences */ 791 v4l2_ctrl_handler_setup(&decoder->hdl); 792 793 tvp5150_set_std(sd, decoder->norm); 794 795 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 796 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 797 798 return 0; 799 }; 800 801 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 802 { 803 struct v4l2_subdev *sd = to_sd(ctrl); 804 struct tvp5150 *decoder = to_tvp5150(sd); 805 806 switch (ctrl->id) { 807 case V4L2_CID_BRIGHTNESS: 808 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 809 return 0; 810 case V4L2_CID_CONTRAST: 811 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 812 return 0; 813 case V4L2_CID_SATURATION: 814 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 815 return 0; 816 case V4L2_CID_HUE: 817 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 818 case V4L2_CID_TEST_PATTERN: 819 decoder->enable = ctrl->val ? false : true; 820 tvp5150_selmux(sd); 821 return 0; 822 } 823 return -EINVAL; 824 } 825 826 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 827 { 828 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 829 830 switch (val & 0x0F) { 831 case 0x01: 832 return V4L2_STD_NTSC; 833 case 0x03: 834 return V4L2_STD_PAL; 835 case 0x05: 836 return V4L2_STD_PAL_M; 837 case 0x07: 838 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 839 case 0x09: 840 return V4L2_STD_NTSC_443; 841 case 0xb: 842 return V4L2_STD_SECAM; 843 default: 844 return V4L2_STD_UNKNOWN; 845 } 846 } 847 848 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 849 struct v4l2_subdev_pad_config *cfg, 850 struct v4l2_subdev_format *format) 851 { 852 struct v4l2_mbus_framefmt *f; 853 struct tvp5150 *decoder = to_tvp5150(sd); 854 855 if (!format || format->pad) 856 return -EINVAL; 857 858 f = &format->format; 859 860 tvp5150_reset(sd, 0); 861 862 f->width = decoder->rect.width; 863 f->height = decoder->rect.height / 2; 864 865 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 866 f->field = V4L2_FIELD_ALTERNATE; 867 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 868 869 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width, 870 f->height); 871 return 0; 872 } 873 874 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) 875 { 876 struct v4l2_rect rect = a->c; 877 struct tvp5150 *decoder = to_tvp5150(sd); 878 v4l2_std_id std; 879 unsigned int hmax; 880 881 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n", 882 __func__, rect.left, rect.top, rect.width, rect.height); 883 884 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 885 return -EINVAL; 886 887 /* tvp5150 has some special limits */ 888 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 889 rect.width = clamp_t(unsigned int, rect.width, 890 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 891 TVP5150_H_MAX - rect.left); 892 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 893 894 /* Calculate height based on current standard */ 895 if (decoder->norm == V4L2_STD_ALL) 896 std = tvp5150_read_std(sd); 897 else 898 std = decoder->norm; 899 900 if (std & V4L2_STD_525_60) 901 hmax = TVP5150_V_MAX_525_60; 902 else 903 hmax = TVP5150_V_MAX_OTHERS; 904 905 rect.height = clamp_t(unsigned int, rect.height, 906 hmax - TVP5150_MAX_CROP_TOP - rect.top, 907 hmax - rect.top); 908 909 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 910 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 911 rect.top + rect.height - hmax); 912 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 913 rect.left >> TVP5150_CROP_SHIFT); 914 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 915 rect.left | (1 << TVP5150_CROP_SHIFT)); 916 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 917 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 918 TVP5150_CROP_SHIFT); 919 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 920 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 921 922 decoder->rect = rect; 923 924 return 0; 925 } 926 927 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) 928 { 929 struct tvp5150 *decoder = to_tvp5150(sd); 930 931 a->c = decoder->rect; 932 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 933 934 return 0; 935 } 936 937 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) 938 { 939 struct tvp5150 *decoder = to_tvp5150(sd); 940 v4l2_std_id std; 941 942 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 943 return -EINVAL; 944 945 a->bounds.left = 0; 946 a->bounds.top = 0; 947 a->bounds.width = TVP5150_H_MAX; 948 949 /* Calculate height based on current standard */ 950 if (decoder->norm == V4L2_STD_ALL) 951 std = tvp5150_read_std(sd); 952 else 953 std = decoder->norm; 954 955 if (std & V4L2_STD_525_60) 956 a->bounds.height = TVP5150_V_MAX_525_60; 957 else 958 a->bounds.height = TVP5150_V_MAX_OTHERS; 959 960 a->defrect = a->bounds; 961 a->pixelaspect.numerator = 1; 962 a->pixelaspect.denominator = 1; 963 964 return 0; 965 } 966 967 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 968 struct v4l2_mbus_config *cfg) 969 { 970 struct tvp5150 *decoder = to_tvp5150(sd); 971 972 cfg->type = decoder->mbus_type; 973 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 974 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 975 976 return 0; 977 } 978 979 /**************************************************************************** 980 V4L2 subdev pad ops 981 ****************************************************************************/ 982 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 983 struct v4l2_subdev_pad_config *cfg, 984 struct v4l2_subdev_mbus_code_enum *code) 985 { 986 if (code->pad || code->index) 987 return -EINVAL; 988 989 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 990 return 0; 991 } 992 993 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 994 struct v4l2_subdev_pad_config *cfg, 995 struct v4l2_subdev_frame_size_enum *fse) 996 { 997 struct tvp5150 *decoder = to_tvp5150(sd); 998 999 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 1000 return -EINVAL; 1001 1002 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1003 fse->min_width = decoder->rect.width; 1004 fse->max_width = decoder->rect.width; 1005 fse->min_height = decoder->rect.height / 2; 1006 fse->max_height = decoder->rect.height / 2; 1007 1008 return 0; 1009 } 1010 1011 /**************************************************************************** 1012 Media entity ops 1013 ****************************************************************************/ 1014 1015 static int tvp5150_link_setup(struct media_entity *entity, 1016 const struct media_pad *local, 1017 const struct media_pad *remote, u32 flags) 1018 { 1019 #ifdef CONFIG_MEDIA_CONTROLLER 1020 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1021 struct tvp5150 *decoder = to_tvp5150(sd); 1022 int i; 1023 1024 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1025 if (remote->entity == &decoder->input_ent[i]) 1026 break; 1027 } 1028 1029 /* Do nothing for entities that are not input connectors */ 1030 if (i == TVP5150_INPUT_NUM) 1031 return 0; 1032 1033 decoder->input = i; 1034 1035 tvp5150_selmux(sd); 1036 #endif 1037 1038 return 0; 1039 } 1040 1041 static const struct media_entity_operations tvp5150_sd_media_ops = { 1042 .link_setup = tvp5150_link_setup, 1043 }; 1044 1045 /**************************************************************************** 1046 I2C Command 1047 ****************************************************************************/ 1048 1049 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1050 { 1051 struct tvp5150 *decoder = to_tvp5150(sd); 1052 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */ 1053 int val = 0x09; 1054 1055 /* Output format: 8-bit 4:2:2 YUV with discrete sync */ 1056 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1057 val = 0x0d; 1058 1059 /* Initializes TVP5150 to its default values */ 1060 /* # set PCLK (27MHz) */ 1061 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00); 1062 1063 if (enable) 1064 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1065 else 1066 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00); 1067 1068 return 0; 1069 } 1070 1071 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1072 u32 input, u32 output, u32 config) 1073 { 1074 struct tvp5150 *decoder = to_tvp5150(sd); 1075 1076 decoder->input = input; 1077 decoder->output = output; 1078 1079 if (output == TVP5150_BLACK_SCREEN) 1080 decoder->enable = false; 1081 else 1082 decoder->enable = true; 1083 1084 tvp5150_selmux(sd); 1085 return 0; 1086 } 1087 1088 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1089 { 1090 /* this is for capturing 36 raw vbi lines 1091 if there's a way to cut off the beginning 2 vbi lines 1092 with the tvp5150 then the vbi line count could be lowered 1093 to 17 lines/field again, although I couldn't find a register 1094 which could do that cropping */ 1095 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1096 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1097 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1098 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1099 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1100 } 1101 return 0; 1102 } 1103 1104 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1105 { 1106 int i; 1107 1108 if (svbi->service_set != 0) { 1109 for (i = 0; i <= 23; i++) { 1110 svbi->service_lines[1][i] = 0; 1111 svbi->service_lines[0][i] = 1112 tvp5150_set_vbi(sd, vbi_ram_default, 1113 svbi->service_lines[0][i], 0xf0, i, 3); 1114 } 1115 /* Enables FIFO */ 1116 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1117 } else { 1118 /* Disables FIFO*/ 1119 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1120 1121 /* Disable Full Field */ 1122 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1123 1124 /* Disable Line modes */ 1125 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1126 tvp5150_write(sd, i, 0xff); 1127 } 1128 return 0; 1129 } 1130 1131 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1132 { 1133 int i, mask = 0; 1134 1135 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1136 1137 for (i = 0; i <= 23; i++) { 1138 svbi->service_lines[0][i] = 1139 tvp5150_get_vbi(sd, vbi_ram_default, i); 1140 mask |= svbi->service_lines[0][i]; 1141 } 1142 svbi->service_set = mask; 1143 return 0; 1144 } 1145 1146 #ifdef CONFIG_VIDEO_ADV_DEBUG 1147 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1148 { 1149 int res; 1150 1151 res = tvp5150_read(sd, reg->reg & 0xff); 1152 if (res < 0) { 1153 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res); 1154 return res; 1155 } 1156 1157 reg->val = res; 1158 reg->size = 1; 1159 return 0; 1160 } 1161 1162 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1163 { 1164 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1165 } 1166 #endif 1167 1168 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1169 { 1170 int status = tvp5150_read(sd, 0x88); 1171 1172 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1173 return 0; 1174 } 1175 1176 static int tvp5150_registered_async(struct v4l2_subdev *sd) 1177 { 1178 #ifdef CONFIG_MEDIA_CONTROLLER 1179 struct tvp5150 *decoder = to_tvp5150(sd); 1180 int ret = 0; 1181 int i; 1182 1183 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1184 struct media_entity *input = &decoder->input_ent[i]; 1185 struct media_pad *pad = &decoder->input_pad[i]; 1186 1187 if (!input->name) 1188 continue; 1189 1190 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1191 1192 ret = media_entity_pads_init(input, 1, pad); 1193 if (ret < 0) 1194 return ret; 1195 1196 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1197 if (ret < 0) 1198 return ret; 1199 1200 ret = media_create_pad_link(input, 0, &sd->entity, 1201 DEMOD_PAD_IF_INPUT, 0); 1202 if (ret < 0) { 1203 media_device_unregister_entity(input); 1204 return ret; 1205 } 1206 } 1207 #endif 1208 1209 return 0; 1210 } 1211 1212 /* ----------------------------------------------------------------------- */ 1213 1214 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1215 .s_ctrl = tvp5150_s_ctrl, 1216 }; 1217 1218 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1219 .log_status = tvp5150_log_status, 1220 .reset = tvp5150_reset, 1221 #ifdef CONFIG_VIDEO_ADV_DEBUG 1222 .g_register = tvp5150_g_register, 1223 .s_register = tvp5150_s_register, 1224 #endif 1225 .registered_async = tvp5150_registered_async, 1226 }; 1227 1228 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1229 .g_tuner = tvp5150_g_tuner, 1230 }; 1231 1232 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1233 .s_std = tvp5150_s_std, 1234 .s_stream = tvp5150_s_stream, 1235 .s_routing = tvp5150_s_routing, 1236 .s_crop = tvp5150_s_crop, 1237 .g_crop = tvp5150_g_crop, 1238 .cropcap = tvp5150_cropcap, 1239 .g_mbus_config = tvp5150_g_mbus_config, 1240 }; 1241 1242 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1243 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1244 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1245 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1246 .s_raw_fmt = tvp5150_s_raw_fmt, 1247 }; 1248 1249 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1250 .enum_mbus_code = tvp5150_enum_mbus_code, 1251 .enum_frame_size = tvp5150_enum_frame_size, 1252 .set_fmt = tvp5150_fill_fmt, 1253 .get_fmt = tvp5150_fill_fmt, 1254 }; 1255 1256 static const struct v4l2_subdev_ops tvp5150_ops = { 1257 .core = &tvp5150_core_ops, 1258 .tuner = &tvp5150_tuner_ops, 1259 .video = &tvp5150_video_ops, 1260 .vbi = &tvp5150_vbi_ops, 1261 .pad = &tvp5150_pad_ops, 1262 }; 1263 1264 1265 /**************************************************************************** 1266 I2C Client & Driver 1267 ****************************************************************************/ 1268 1269 static int tvp5150_detect_version(struct tvp5150 *core) 1270 { 1271 struct v4l2_subdev *sd = &core->sd; 1272 struct i2c_client *c = v4l2_get_subdevdata(sd); 1273 unsigned int i; 1274 u8 regs[4]; 1275 int res; 1276 1277 /* 1278 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1279 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1280 */ 1281 for (i = 0; i < 4; i++) { 1282 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1283 if (res < 0) 1284 return res; 1285 regs[i] = res; 1286 } 1287 1288 core->dev_id = (regs[0] << 8) | regs[1]; 1289 core->rom_ver = (regs[2] << 8) | regs[3]; 1290 1291 v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1292 core->dev_id, regs[2], regs[3], c->addr << 1, 1293 c->adapter->name); 1294 1295 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1296 v4l2_info(sd, "tvp5150a detected.\n"); 1297 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1298 v4l2_info(sd, "tvp5150am1 detected.\n"); 1299 1300 /* ITU-T BT.656.4 timing */ 1301 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1302 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1303 v4l2_info(sd, "tvp5151 detected.\n"); 1304 } else { 1305 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n", 1306 core->dev_id); 1307 } 1308 1309 return 0; 1310 } 1311 1312 static int tvp5150_init(struct i2c_client *c) 1313 { 1314 struct gpio_desc *pdn_gpio; 1315 struct gpio_desc *reset_gpio; 1316 1317 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1318 if (IS_ERR(pdn_gpio)) 1319 return PTR_ERR(pdn_gpio); 1320 1321 if (pdn_gpio) { 1322 gpiod_set_value_cansleep(pdn_gpio, 0); 1323 /* Delay time between power supplies active and reset */ 1324 msleep(20); 1325 } 1326 1327 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1328 if (IS_ERR(reset_gpio)) 1329 return PTR_ERR(reset_gpio); 1330 1331 if (reset_gpio) { 1332 /* RESETB pulse duration */ 1333 ndelay(500); 1334 gpiod_set_value_cansleep(reset_gpio, 0); 1335 /* Delay time between end of reset to I2C active */ 1336 usleep_range(200, 250); 1337 } 1338 1339 return 0; 1340 } 1341 1342 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1343 { 1344 struct v4l2_of_endpoint bus_cfg; 1345 struct device_node *ep; 1346 #ifdef CONFIG_MEDIA_CONTROLLER 1347 struct device_node *connectors, *child; 1348 struct media_entity *input; 1349 const char *name; 1350 u32 input_type; 1351 #endif 1352 unsigned int flags; 1353 int ret = 0; 1354 1355 ep = of_graph_get_next_endpoint(np, NULL); 1356 if (!ep) 1357 return -EINVAL; 1358 1359 ret = v4l2_of_parse_endpoint(ep, &bus_cfg); 1360 if (ret) 1361 goto err; 1362 1363 flags = bus_cfg.bus.parallel.flags; 1364 1365 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1366 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1367 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1368 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1369 ret = -EINVAL; 1370 goto err; 1371 } 1372 1373 decoder->mbus_type = bus_cfg.bus_type; 1374 1375 #ifdef CONFIG_MEDIA_CONTROLLER 1376 connectors = of_get_child_by_name(np, "connectors"); 1377 1378 if (!connectors) 1379 goto err; 1380 1381 for_each_available_child_of_node(connectors, child) { 1382 ret = of_property_read_u32(child, "input", &input_type); 1383 if (ret) { 1384 v4l2_err(&decoder->sd, 1385 "missing type property in node %s\n", 1386 child->name); 1387 goto err_connector; 1388 } 1389 1390 if (input_type >= TVP5150_INPUT_NUM) { 1391 ret = -EINVAL; 1392 goto err_connector; 1393 } 1394 1395 input = &decoder->input_ent[input_type]; 1396 1397 /* Each input connector can only be defined once */ 1398 if (input->name) { 1399 v4l2_err(&decoder->sd, 1400 "input %s with same type already exists\n", 1401 input->name); 1402 ret = -EINVAL; 1403 goto err_connector; 1404 } 1405 1406 switch (input_type) { 1407 case TVP5150_COMPOSITE0: 1408 case TVP5150_COMPOSITE1: 1409 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1410 break; 1411 case TVP5150_SVIDEO: 1412 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1413 break; 1414 } 1415 1416 input->flags = MEDIA_ENT_FL_CONNECTOR; 1417 1418 ret = of_property_read_string(child, "label", &name); 1419 if (ret < 0) { 1420 v4l2_err(&decoder->sd, 1421 "missing label property in node %s\n", 1422 child->name); 1423 goto err_connector; 1424 } 1425 1426 input->name = name; 1427 } 1428 1429 err_connector: 1430 of_node_put(connectors); 1431 #endif 1432 err: 1433 of_node_put(ep); 1434 return ret; 1435 } 1436 1437 static const char * const tvp5150_test_patterns[2] = { 1438 "Disabled", 1439 "Black screen" 1440 }; 1441 1442 static int tvp5150_probe(struct i2c_client *c, 1443 const struct i2c_device_id *id) 1444 { 1445 struct tvp5150 *core; 1446 struct v4l2_subdev *sd; 1447 struct device_node *np = c->dev.of_node; 1448 int res; 1449 1450 /* Check if the adapter supports the needed features */ 1451 if (!i2c_check_functionality(c->adapter, 1452 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1453 return -EIO; 1454 1455 res = tvp5150_init(c); 1456 if (res) 1457 return res; 1458 1459 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1460 if (!core) 1461 return -ENOMEM; 1462 1463 sd = &core->sd; 1464 1465 if (IS_ENABLED(CONFIG_OF) && np) { 1466 res = tvp5150_parse_dt(core, np); 1467 if (res) { 1468 v4l2_err(sd, "DT parsing error: %d\n", res); 1469 return res; 1470 } 1471 } else { 1472 /* Default to BT.656 embedded sync */ 1473 core->mbus_type = V4L2_MBUS_BT656; 1474 } 1475 1476 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1477 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1478 1479 #if defined(CONFIG_MEDIA_CONTROLLER) 1480 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1481 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1482 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1483 1484 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1485 1486 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1487 if (res < 0) 1488 return res; 1489 1490 sd->entity.ops = &tvp5150_sd_media_ops; 1491 #endif 1492 1493 res = tvp5150_detect_version(core); 1494 if (res < 0) 1495 return res; 1496 1497 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1498 core->input = TVP5150_COMPOSITE1; 1499 core->enable = true; 1500 1501 v4l2_ctrl_handler_init(&core->hdl, 5); 1502 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1503 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1504 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1505 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1506 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1507 V4L2_CID_SATURATION, 0, 255, 1, 128); 1508 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1509 V4L2_CID_HUE, -128, 127, 1, 0); 1510 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1511 V4L2_CID_PIXEL_RATE, 27000000, 1512 27000000, 1, 27000000); 1513 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1514 V4L2_CID_TEST_PATTERN, 1515 ARRAY_SIZE(tvp5150_test_patterns), 1516 0, 0, tvp5150_test_patterns); 1517 sd->ctrl_handler = &core->hdl; 1518 if (core->hdl.error) { 1519 res = core->hdl.error; 1520 goto err; 1521 } 1522 v4l2_ctrl_handler_setup(&core->hdl); 1523 1524 /* Default is no cropping */ 1525 core->rect.top = 0; 1526 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1527 core->rect.height = TVP5150_V_MAX_525_60; 1528 else 1529 core->rect.height = TVP5150_V_MAX_OTHERS; 1530 core->rect.left = 0; 1531 core->rect.width = TVP5150_H_MAX; 1532 1533 res = v4l2_async_register_subdev(sd); 1534 if (res < 0) 1535 goto err; 1536 1537 if (debug > 1) 1538 tvp5150_log_status(sd); 1539 return 0; 1540 1541 err: 1542 v4l2_ctrl_handler_free(&core->hdl); 1543 return res; 1544 } 1545 1546 static int tvp5150_remove(struct i2c_client *c) 1547 { 1548 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1549 struct tvp5150 *decoder = to_tvp5150(sd); 1550 1551 v4l2_dbg(1, debug, sd, 1552 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1553 c->addr << 1); 1554 1555 v4l2_async_unregister_subdev(sd); 1556 v4l2_ctrl_handler_free(&decoder->hdl); 1557 return 0; 1558 } 1559 1560 /* ----------------------------------------------------------------------- */ 1561 1562 static const struct i2c_device_id tvp5150_id[] = { 1563 { "tvp5150", 0 }, 1564 { } 1565 }; 1566 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1567 1568 #if IS_ENABLED(CONFIG_OF) 1569 static const struct of_device_id tvp5150_of_match[] = { 1570 { .compatible = "ti,tvp5150", }, 1571 { /* sentinel */ }, 1572 }; 1573 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1574 #endif 1575 1576 static struct i2c_driver tvp5150_driver = { 1577 .driver = { 1578 .of_match_table = of_match_ptr(tvp5150_of_match), 1579 .name = "tvp5150", 1580 }, 1581 .probe = tvp5150_probe, 1582 .remove = tvp5150_remove, 1583 .id_table = tvp5150_id, 1584 }; 1585 1586 module_i2c_driver(tvp5150_driver); 1587