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 <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 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 inline void 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_dbg(0, debug, sd, "i2c i/o error: rc == %d\n", rc); 96 } 97 98 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 99 const u8 end, int max_line) 100 { 101 int i = 0; 102 103 while (init != (u8)(end + 1)) { 104 if ((i % max_line) == 0) { 105 if (i > 0) 106 printk("\n"); 107 printk("tvp5150: %s reg 0x%02x = ", s, init); 108 } 109 printk("%02x ", tvp5150_read(sd, init)); 110 111 init++; 112 i++; 113 } 114 printk("\n"); 115 } 116 117 static int tvp5150_log_status(struct v4l2_subdev *sd) 118 { 119 printk("tvp5150: Video input source selection #1 = 0x%02x\n", 120 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 121 printk("tvp5150: Analog channel controls = 0x%02x\n", 122 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 123 printk("tvp5150: Operation mode controls = 0x%02x\n", 124 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 125 printk("tvp5150: Miscellaneous controls = 0x%02x\n", 126 tvp5150_read(sd, TVP5150_MISC_CTL)); 127 printk("tvp5150: Autoswitch mask= 0x%02x\n", 128 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 129 printk("tvp5150: Color killer threshold control = 0x%02x\n", 130 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 131 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 132 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 133 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 134 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 135 printk("tvp5150: Brightness control = 0x%02x\n", 136 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 137 printk("tvp5150: Color saturation control = 0x%02x\n", 138 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 139 printk("tvp5150: Hue control = 0x%02x\n", 140 tvp5150_read(sd, TVP5150_HUE_CTL)); 141 printk("tvp5150: Contrast control = 0x%02x\n", 142 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 143 printk("tvp5150: Outputs and data rates select = 0x%02x\n", 144 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 145 printk("tvp5150: Configuration shared pins = 0x%02x\n", 146 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 147 printk("tvp5150: Active video cropping start = 0x%02x%02x\n", 148 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 149 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 150 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n", 151 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 152 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 153 printk("tvp5150: Genlock/RTC = 0x%02x\n", 154 tvp5150_read(sd, TVP5150_GENLOCK)); 155 printk("tvp5150: Horizontal sync start = 0x%02x\n", 156 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 157 printk("tvp5150: Vertical blanking start = 0x%02x\n", 158 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 159 printk("tvp5150: Vertical blanking stop = 0x%02x\n", 160 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 161 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 162 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 163 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 164 printk("tvp5150: Interrupt reset register B = 0x%02x\n", 165 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 166 printk("tvp5150: Interrupt enable register B = 0x%02x\n", 167 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 168 printk("tvp5150: Interrupt configuration register B = 0x%02x\n", 169 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 170 printk("tvp5150: Video standard = 0x%02x\n", 171 tvp5150_read(sd, TVP5150_VIDEO_STD)); 172 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 173 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 174 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 175 printk("tvp5150: Macrovision on counter = 0x%02x\n", 176 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 177 printk("tvp5150: Macrovision off counter = 0x%02x\n", 178 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 179 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 180 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 181 printk("tvp5150: Device ID = %02x%02x\n", 182 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 183 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 184 printk("tvp5150: ROM version = (hex) %02x.%02x\n", 185 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 186 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 187 printk("tvp5150: Vertical line count = 0x%02x%02x\n", 188 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 189 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 190 printk("tvp5150: Interrupt status register B = 0x%02x\n", 191 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 192 printk("tvp5150: Interrupt active register B = 0x%02x\n", 193 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 194 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 195 tvp5150_read(sd, TVP5150_STATUS_REG_1), 196 tvp5150_read(sd, TVP5150_STATUS_REG_2), 197 tvp5150_read(sd, TVP5150_STATUS_REG_3), 198 tvp5150_read(sd, TVP5150_STATUS_REG_4), 199 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 200 201 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 202 TVP5150_TELETEXT_FIL1_END, 8); 203 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 204 TVP5150_TELETEXT_FIL2_END, 8); 205 206 printk("tvp5150: Teletext filter enable = 0x%02x\n", 207 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 208 printk("tvp5150: Interrupt status register A = 0x%02x\n", 209 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 210 printk("tvp5150: Interrupt enable register A = 0x%02x\n", 211 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 212 printk("tvp5150: Interrupt configuration = 0x%02x\n", 213 tvp5150_read(sd, TVP5150_INT_CONF)); 214 printk("tvp5150: VDP status register = 0x%02x\n", 215 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 216 printk("tvp5150: FIFO word count = 0x%02x\n", 217 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 218 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n", 219 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 220 printk("tvp5150: FIFO reset = 0x%02x\n", 221 tvp5150_read(sd, TVP5150_FIFO_RESET)); 222 printk("tvp5150: Line number interrupt = 0x%02x\n", 223 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 224 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n", 225 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 226 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 227 printk("tvp5150: FIFO output control = 0x%02x\n", 228 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 229 printk("tvp5150: Full field enable = 0x%02x\n", 230 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 231 printk("tvp5150: Full field mode register = 0x%02x\n", 232 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 233 234 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 235 TVP5150_CC_DATA_END, 8); 236 237 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 238 TVP5150_WSS_DATA_END, 8); 239 240 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 241 TVP5150_VPS_DATA_END, 8); 242 243 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 244 TVP5150_VITC_DATA_END, 10); 245 246 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 247 TVP5150_LINE_MODE_END, 8); 248 return 0; 249 } 250 251 /**************************************************************************** 252 Basic functions 253 ****************************************************************************/ 254 255 static inline void tvp5150_selmux(struct v4l2_subdev *sd) 256 { 257 int opmode = 0; 258 struct tvp5150 *decoder = to_tvp5150(sd); 259 int input = 0; 260 int val; 261 262 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable) 263 input = 8; 264 265 switch (decoder->input) { 266 case TVP5150_COMPOSITE1: 267 input |= 2; 268 /* fall through */ 269 case TVP5150_COMPOSITE0: 270 break; 271 case TVP5150_SVIDEO: 272 default: 273 input |= 1; 274 break; 275 } 276 277 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i " 278 "=> tvp5150 input=%i, opmode=%i\n", 279 decoder->input, decoder->output, 280 input, opmode); 281 282 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 283 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 284 285 /* Svideo should enable YCrCb output and disable GPCL output 286 * For Composite and TV, it should be the reverse 287 */ 288 val = tvp5150_read(sd, TVP5150_MISC_CTL); 289 if (val < 0) { 290 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val); 291 return; 292 } 293 294 if (decoder->input == TVP5150_SVIDEO) 295 val = (val & ~0x40) | 0x10; 296 else 297 val = (val & ~0x10) | 0x40; 298 tvp5150_write(sd, TVP5150_MISC_CTL, val); 299 }; 300 301 struct i2c_reg_value { 302 unsigned char reg; 303 unsigned char value; 304 }; 305 306 /* Default values as sugested at TVP5150AM1 datasheet */ 307 static const struct i2c_reg_value tvp5150_init_default[] = { 308 { /* 0x00 */ 309 TVP5150_VD_IN_SRC_SEL_1,0x00 310 }, 311 { /* 0x01 */ 312 TVP5150_ANAL_CHL_CTL,0x15 313 }, 314 { /* 0x02 */ 315 TVP5150_OP_MODE_CTL,0x00 316 }, 317 { /* 0x03 */ 318 TVP5150_MISC_CTL,0x01 319 }, 320 { /* 0x06 */ 321 TVP5150_COLOR_KIL_THSH_CTL,0x10 322 }, 323 { /* 0x07 */ 324 TVP5150_LUMA_PROC_CTL_1,0x60 325 }, 326 { /* 0x08 */ 327 TVP5150_LUMA_PROC_CTL_2,0x00 328 }, 329 { /* 0x09 */ 330 TVP5150_BRIGHT_CTL,0x80 331 }, 332 { /* 0x0a */ 333 TVP5150_SATURATION_CTL,0x80 334 }, 335 { /* 0x0b */ 336 TVP5150_HUE_CTL,0x00 337 }, 338 { /* 0x0c */ 339 TVP5150_CONTRAST_CTL,0x80 340 }, 341 { /* 0x0d */ 342 TVP5150_DATA_RATE_SEL,0x47 343 }, 344 { /* 0x0e */ 345 TVP5150_LUMA_PROC_CTL_3,0x00 346 }, 347 { /* 0x0f */ 348 TVP5150_CONF_SHARED_PIN,0x08 349 }, 350 { /* 0x11 */ 351 TVP5150_ACT_VD_CROP_ST_MSB,0x00 352 }, 353 { /* 0x12 */ 354 TVP5150_ACT_VD_CROP_ST_LSB,0x00 355 }, 356 { /* 0x13 */ 357 TVP5150_ACT_VD_CROP_STP_MSB,0x00 358 }, 359 { /* 0x14 */ 360 TVP5150_ACT_VD_CROP_STP_LSB,0x00 361 }, 362 { /* 0x15 */ 363 TVP5150_GENLOCK,0x01 364 }, 365 { /* 0x16 */ 366 TVP5150_HORIZ_SYNC_START,0x80 367 }, 368 { /* 0x18 */ 369 TVP5150_VERT_BLANKING_START,0x00 370 }, 371 { /* 0x19 */ 372 TVP5150_VERT_BLANKING_STOP,0x00 373 }, 374 { /* 0x1a */ 375 TVP5150_CHROMA_PROC_CTL_1,0x0c 376 }, 377 { /* 0x1b */ 378 TVP5150_CHROMA_PROC_CTL_2,0x14 379 }, 380 { /* 0x1c */ 381 TVP5150_INT_RESET_REG_B,0x00 382 }, 383 { /* 0x1d */ 384 TVP5150_INT_ENABLE_REG_B,0x00 385 }, 386 { /* 0x1e */ 387 TVP5150_INTT_CONFIG_REG_B,0x00 388 }, 389 { /* 0x28 */ 390 TVP5150_VIDEO_STD,0x00 391 }, 392 { /* 0x2e */ 393 TVP5150_MACROVISION_ON_CTR,0x0f 394 }, 395 { /* 0x2f */ 396 TVP5150_MACROVISION_OFF_CTR,0x01 397 }, 398 { /* 0xbb */ 399 TVP5150_TELETEXT_FIL_ENA,0x00 400 }, 401 { /* 0xc0 */ 402 TVP5150_INT_STATUS_REG_A,0x00 403 }, 404 { /* 0xc1 */ 405 TVP5150_INT_ENABLE_REG_A,0x00 406 }, 407 { /* 0xc2 */ 408 TVP5150_INT_CONF,0x04 409 }, 410 { /* 0xc8 */ 411 TVP5150_FIFO_INT_THRESHOLD,0x80 412 }, 413 { /* 0xc9 */ 414 TVP5150_FIFO_RESET,0x00 415 }, 416 { /* 0xca */ 417 TVP5150_LINE_NUMBER_INT,0x00 418 }, 419 { /* 0xcb */ 420 TVP5150_PIX_ALIGN_REG_LOW,0x4e 421 }, 422 { /* 0xcc */ 423 TVP5150_PIX_ALIGN_REG_HIGH,0x00 424 }, 425 { /* 0xcd */ 426 TVP5150_FIFO_OUT_CTRL,0x01 427 }, 428 { /* 0xcf */ 429 TVP5150_FULL_FIELD_ENA,0x00 430 }, 431 { /* 0xd0 */ 432 TVP5150_LINE_MODE_INI,0x00 433 }, 434 { /* 0xfc */ 435 TVP5150_FULL_FIELD_MODE_REG,0x7f 436 }, 437 { /* end of data */ 438 0xff,0xff 439 } 440 }; 441 442 /* Default values as sugested at TVP5150AM1 datasheet */ 443 static const struct i2c_reg_value tvp5150_init_enable[] = { 444 { 445 TVP5150_CONF_SHARED_PIN, 2 446 },{ /* Automatic offset and AGC enabled */ 447 TVP5150_ANAL_CHL_CTL, 0x15 448 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 449 TVP5150_MISC_CTL, 0x6f 450 },{ /* Activates video std autodetection for all standards */ 451 TVP5150_AUTOSW_MSK, 0x0 452 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 453 TVP5150_DATA_RATE_SEL, 0x47 454 },{ 455 TVP5150_CHROMA_PROC_CTL_1, 0x0c 456 },{ 457 TVP5150_CHROMA_PROC_CTL_2, 0x54 458 },{ /* Non documented, but initialized on WinTV USB2 */ 459 0x27, 0x20 460 },{ 461 0xff,0xff 462 } 463 }; 464 465 struct tvp5150_vbi_type { 466 unsigned int vbi_type; 467 unsigned int ini_line; 468 unsigned int end_line; 469 unsigned int by_field :1; 470 }; 471 472 struct i2c_vbi_ram_value { 473 u16 reg; 474 struct tvp5150_vbi_type type; 475 unsigned char values[16]; 476 }; 477 478 /* This struct have the values for each supported VBI Standard 479 * by 480 tvp5150_vbi_types should follow the same order as vbi_ram_default 481 * value 0 means rom position 0x10, value 1 means rom position 0x30 482 * and so on. There are 16 possible locations from 0 to 15. 483 */ 484 485 static struct i2c_vbi_ram_value vbi_ram_default[] = 486 { 487 /* FIXME: Current api doesn't handle all VBI types, those not 488 yet supported are placed under #if 0 */ 489 #if 0 490 {0x010, /* Teletext, SECAM, WST System A */ 491 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 492 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 493 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 494 }, 495 #endif 496 {0x030, /* Teletext, PAL, WST System B */ 497 {V4L2_SLICED_TELETEXT_B,6,22,1}, 498 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 499 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 500 }, 501 #if 0 502 {0x050, /* Teletext, PAL, WST System C */ 503 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 504 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 505 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 506 }, 507 {0x070, /* Teletext, NTSC, WST System B */ 508 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 509 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 510 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 511 }, 512 {0x090, /* Tetetext, NTSC NABTS System C */ 513 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 514 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 515 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 516 }, 517 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 518 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 519 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 520 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 521 }, 522 {0x0d0, /* Closed Caption, PAL/SECAM */ 523 {V4L2_SLICED_CAPTION_625,22,22,1}, 524 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 525 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 526 }, 527 #endif 528 {0x0f0, /* Closed Caption, NTSC */ 529 {V4L2_SLICED_CAPTION_525,21,21,1}, 530 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 531 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 532 }, 533 {0x110, /* Wide Screen Signal, PAL/SECAM */ 534 {V4L2_SLICED_WSS_625,23,23,1}, 535 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 536 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 537 }, 538 #if 0 539 {0x130, /* Wide Screen Signal, NTSC C */ 540 {V4L2_SLICED_WSS_525,20,20,1}, 541 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 542 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 543 }, 544 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 545 {V4l2_SLICED_VITC_625,6,22,0}, 546 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 547 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 548 }, 549 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 550 {V4l2_SLICED_VITC_525,10,20,0}, 551 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 552 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 553 }, 554 #endif 555 {0x190, /* Video Program System (VPS), PAL */ 556 {V4L2_SLICED_VPS,16,16,0}, 557 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 558 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 559 }, 560 /* 0x1d0 User programmable */ 561 562 /* End of struct */ 563 { (u16)-1 } 564 }; 565 566 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 567 const struct i2c_reg_value *regs) 568 { 569 while (regs->reg != 0xff) { 570 tvp5150_write(sd, regs->reg, regs->value); 571 regs++; 572 } 573 return 0; 574 } 575 576 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 577 const struct i2c_vbi_ram_value *regs) 578 { 579 unsigned int i; 580 581 /* Disable Full Field */ 582 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 583 584 /* Before programming, Line mode should be at 0xff */ 585 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 586 tvp5150_write(sd, i, 0xff); 587 588 /* Load Ram Table */ 589 while (regs->reg != (u16)-1) { 590 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 591 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 592 593 for (i = 0; i < 16; i++) 594 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 595 596 regs++; 597 } 598 return 0; 599 } 600 601 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 602 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 603 struct v4l2_sliced_vbi_cap *cap) 604 { 605 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 606 int line; 607 608 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n"); 609 memset(cap, 0, sizeof *cap); 610 611 while (regs->reg != (u16)-1 ) { 612 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 613 cap->service_lines[0][line] |= regs->type.vbi_type; 614 } 615 cap->service_set |= regs->type.vbi_type; 616 617 regs++; 618 } 619 return 0; 620 } 621 622 /* Set vbi processing 623 * type - one of tvp5150_vbi_types 624 * line - line to gather data 625 * fields: bit 0 field1, bit 1, field2 626 * flags (default=0xf0) is a bitmask, were set means: 627 * bit 7: enable filtering null bytes on CC 628 * bit 6: send data also to FIFO 629 * bit 5: don't allow data with errors on FIFO 630 * bit 4: enable ECC when possible 631 * pix_align = pix alignment: 632 * LSB = field1 633 * MSB = field2 634 */ 635 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 636 const struct i2c_vbi_ram_value *regs, 637 unsigned int type,u8 flags, int line, 638 const int fields) 639 { 640 struct tvp5150 *decoder = to_tvp5150(sd); 641 v4l2_std_id std = decoder->norm; 642 u8 reg; 643 int pos=0; 644 645 if (std == V4L2_STD_ALL) { 646 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 647 return 0; 648 } else if (std & V4L2_STD_625_50) { 649 /* Don't follow NTSC Line number convension */ 650 line += 3; 651 } 652 653 if (line<6||line>27) 654 return 0; 655 656 while (regs->reg != (u16)-1 ) { 657 if ((type & regs->type.vbi_type) && 658 (line>=regs->type.ini_line) && 659 (line<=regs->type.end_line)) { 660 type=regs->type.vbi_type; 661 break; 662 } 663 664 regs++; 665 pos++; 666 } 667 if (regs->reg == (u16)-1) 668 return 0; 669 670 type=pos | (flags & 0xf0); 671 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 672 673 if (fields&1) { 674 tvp5150_write(sd, reg, type); 675 } 676 677 if (fields&2) { 678 tvp5150_write(sd, reg+1, type); 679 } 680 681 return type; 682 } 683 684 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 685 const struct i2c_vbi_ram_value *regs, int line) 686 { 687 struct tvp5150 *decoder = to_tvp5150(sd); 688 v4l2_std_id std = decoder->norm; 689 u8 reg; 690 int pos, type = 0; 691 int i, ret = 0; 692 693 if (std == V4L2_STD_ALL) { 694 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 695 return 0; 696 } else if (std & V4L2_STD_625_50) { 697 /* Don't follow NTSC Line number convension */ 698 line += 3; 699 } 700 701 if (line < 6 || line > 27) 702 return 0; 703 704 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 705 706 for (i = 0; i <= 1; i++) { 707 ret = tvp5150_read(sd, reg + i); 708 if (ret < 0) { 709 v4l2_err(sd, "%s: failed with error = %d\n", 710 __func__, ret); 711 return 0; 712 } 713 pos = ret & 0x0f; 714 if (pos < 0x0f) 715 type |= regs[pos].type.vbi_type; 716 } 717 718 return type; 719 } 720 721 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 722 { 723 struct tvp5150 *decoder = to_tvp5150(sd); 724 int fmt = 0; 725 726 decoder->norm = std; 727 728 /* First tests should be against specific std */ 729 730 if (std == V4L2_STD_NTSC_443) { 731 fmt = VIDEO_STD_NTSC_4_43_BIT; 732 } else if (std == V4L2_STD_PAL_M) { 733 fmt = VIDEO_STD_PAL_M_BIT; 734 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 735 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 736 } else { 737 /* Then, test against generic ones */ 738 if (std & V4L2_STD_NTSC) 739 fmt = VIDEO_STD_NTSC_MJ_BIT; 740 else if (std & V4L2_STD_PAL) 741 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 742 else if (std & V4L2_STD_SECAM) 743 fmt = VIDEO_STD_SECAM_BIT; 744 } 745 746 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt); 747 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 748 return 0; 749 } 750 751 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 752 { 753 struct tvp5150 *decoder = to_tvp5150(sd); 754 755 if (decoder->norm == std) 756 return 0; 757 758 /* Change cropping height limits */ 759 if (std & V4L2_STD_525_60) 760 decoder->rect.height = TVP5150_V_MAX_525_60; 761 else 762 decoder->rect.height = TVP5150_V_MAX_OTHERS; 763 764 765 return tvp5150_set_std(sd, std); 766 } 767 768 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 769 { 770 struct tvp5150 *decoder = to_tvp5150(sd); 771 772 /* Initializes TVP5150 to its default values */ 773 tvp5150_write_inittab(sd, tvp5150_init_default); 774 775 /* Initializes VDP registers */ 776 tvp5150_vdp_init(sd, vbi_ram_default); 777 778 /* Selects decoder input */ 779 tvp5150_selmux(sd); 780 781 /* Initializes TVP5150 to stream enabled values */ 782 tvp5150_write_inittab(sd, tvp5150_init_enable); 783 784 /* Initialize image preferences */ 785 v4l2_ctrl_handler_setup(&decoder->hdl); 786 787 tvp5150_set_std(sd, decoder->norm); 788 789 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 790 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 791 792 return 0; 793 }; 794 795 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 796 { 797 struct v4l2_subdev *sd = to_sd(ctrl); 798 799 switch (ctrl->id) { 800 case V4L2_CID_BRIGHTNESS: 801 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 802 return 0; 803 case V4L2_CID_CONTRAST: 804 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 805 return 0; 806 case V4L2_CID_SATURATION: 807 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 808 return 0; 809 case V4L2_CID_HUE: 810 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 811 return 0; 812 } 813 return -EINVAL; 814 } 815 816 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 817 { 818 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 819 820 switch (val & 0x0F) { 821 case 0x01: 822 return V4L2_STD_NTSC; 823 case 0x03: 824 return V4L2_STD_PAL; 825 case 0x05: 826 return V4L2_STD_PAL_M; 827 case 0x07: 828 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 829 case 0x09: 830 return V4L2_STD_NTSC_443; 831 case 0xb: 832 return V4L2_STD_SECAM; 833 default: 834 return V4L2_STD_UNKNOWN; 835 } 836 } 837 838 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 839 struct v4l2_subdev_pad_config *cfg, 840 struct v4l2_subdev_format *format) 841 { 842 struct v4l2_mbus_framefmt *f; 843 struct tvp5150 *decoder = to_tvp5150(sd); 844 845 if (!format || format->pad) 846 return -EINVAL; 847 848 f = &format->format; 849 850 tvp5150_reset(sd, 0); 851 852 f->width = decoder->rect.width; 853 f->height = decoder->rect.height / 2; 854 855 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 856 f->field = V4L2_FIELD_ALTERNATE; 857 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 858 859 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width, 860 f->height); 861 return 0; 862 } 863 864 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) 865 { 866 struct v4l2_rect rect = a->c; 867 struct tvp5150 *decoder = to_tvp5150(sd); 868 v4l2_std_id std; 869 unsigned int hmax; 870 871 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n", 872 __func__, rect.left, rect.top, rect.width, rect.height); 873 874 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 875 return -EINVAL; 876 877 /* tvp5150 has some special limits */ 878 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 879 rect.width = clamp_t(unsigned int, rect.width, 880 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 881 TVP5150_H_MAX - rect.left); 882 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 883 884 /* Calculate height based on current standard */ 885 if (decoder->norm == V4L2_STD_ALL) 886 std = tvp5150_read_std(sd); 887 else 888 std = decoder->norm; 889 890 if (std & V4L2_STD_525_60) 891 hmax = TVP5150_V_MAX_525_60; 892 else 893 hmax = TVP5150_V_MAX_OTHERS; 894 895 rect.height = clamp_t(unsigned int, rect.height, 896 hmax - TVP5150_MAX_CROP_TOP - rect.top, 897 hmax - rect.top); 898 899 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 900 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 901 rect.top + rect.height - hmax); 902 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 903 rect.left >> TVP5150_CROP_SHIFT); 904 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 905 rect.left | (1 << TVP5150_CROP_SHIFT)); 906 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 907 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 908 TVP5150_CROP_SHIFT); 909 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 910 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 911 912 decoder->rect = rect; 913 914 return 0; 915 } 916 917 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) 918 { 919 struct tvp5150 *decoder = to_tvp5150(sd); 920 921 a->c = decoder->rect; 922 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 923 924 return 0; 925 } 926 927 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) 928 { 929 struct tvp5150 *decoder = to_tvp5150(sd); 930 v4l2_std_id std; 931 932 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 933 return -EINVAL; 934 935 a->bounds.left = 0; 936 a->bounds.top = 0; 937 a->bounds.width = TVP5150_H_MAX; 938 939 /* Calculate height based on current standard */ 940 if (decoder->norm == V4L2_STD_ALL) 941 std = tvp5150_read_std(sd); 942 else 943 std = decoder->norm; 944 945 if (std & V4L2_STD_525_60) 946 a->bounds.height = TVP5150_V_MAX_525_60; 947 else 948 a->bounds.height = TVP5150_V_MAX_OTHERS; 949 950 a->defrect = a->bounds; 951 a->pixelaspect.numerator = 1; 952 a->pixelaspect.denominator = 1; 953 954 return 0; 955 } 956 957 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 958 struct v4l2_mbus_config *cfg) 959 { 960 struct tvp5150 *decoder = to_tvp5150(sd); 961 962 cfg->type = decoder->mbus_type; 963 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 964 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 965 966 return 0; 967 } 968 969 /**************************************************************************** 970 V4L2 subdev pad ops 971 ****************************************************************************/ 972 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 973 struct v4l2_subdev_pad_config *cfg, 974 struct v4l2_subdev_mbus_code_enum *code) 975 { 976 if (code->pad || code->index) 977 return -EINVAL; 978 979 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 980 return 0; 981 } 982 983 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 984 struct v4l2_subdev_pad_config *cfg, 985 struct v4l2_subdev_frame_size_enum *fse) 986 { 987 struct tvp5150 *decoder = to_tvp5150(sd); 988 989 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 990 return -EINVAL; 991 992 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 993 fse->min_width = decoder->rect.width; 994 fse->max_width = decoder->rect.width; 995 fse->min_height = decoder->rect.height / 2; 996 fse->max_height = decoder->rect.height / 2; 997 998 return 0; 999 } 1000 1001 /**************************************************************************** 1002 Media entity ops 1003 ****************************************************************************/ 1004 1005 static int tvp5150_link_setup(struct media_entity *entity, 1006 const struct media_pad *local, 1007 const struct media_pad *remote, u32 flags) 1008 { 1009 #ifdef CONFIG_MEDIA_CONTROLLER 1010 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1011 struct tvp5150 *decoder = to_tvp5150(sd); 1012 int i; 1013 1014 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1015 if (remote->entity == &decoder->input_ent[i]) 1016 break; 1017 } 1018 1019 /* Do nothing for entities that are not input connectors */ 1020 if (i == TVP5150_INPUT_NUM) 1021 return 0; 1022 1023 decoder->input = i; 1024 1025 /* Only tvp5150am1 and tvp5151 have signal generator support */ 1026 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 1027 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 1028 decoder->output = (i == TVP5150_GENERATOR ? 1029 TVP5150_BLACK_SCREEN : TVP5150_NORMAL); 1030 } else { 1031 decoder->output = TVP5150_NORMAL; 1032 } 1033 1034 tvp5150_selmux(sd); 1035 #endif 1036 1037 return 0; 1038 } 1039 1040 static const struct media_entity_operations tvp5150_sd_media_ops = { 1041 .link_setup = tvp5150_link_setup, 1042 }; 1043 1044 /**************************************************************************** 1045 I2C Command 1046 ****************************************************************************/ 1047 1048 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1049 { 1050 struct tvp5150 *decoder = to_tvp5150(sd); 1051 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */ 1052 int val = 0x09; 1053 1054 /* Output format: 8-bit 4:2:2 YUV with discrete sync */ 1055 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1056 val = 0x0d; 1057 1058 /* Initializes TVP5150 to its default values */ 1059 /* # set PCLK (27MHz) */ 1060 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00); 1061 1062 if (enable) 1063 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1064 else 1065 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00); 1066 1067 return 0; 1068 } 1069 1070 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1071 u32 input, u32 output, u32 config) 1072 { 1073 struct tvp5150 *decoder = to_tvp5150(sd); 1074 1075 decoder->input = input; 1076 decoder->output = output; 1077 tvp5150_selmux(sd); 1078 return 0; 1079 } 1080 1081 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1082 { 1083 /* this is for capturing 36 raw vbi lines 1084 if there's a way to cut off the beginning 2 vbi lines 1085 with the tvp5150 then the vbi line count could be lowered 1086 to 17 lines/field again, although I couldn't find a register 1087 which could do that cropping */ 1088 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1089 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1090 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1091 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1092 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1093 } 1094 return 0; 1095 } 1096 1097 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1098 { 1099 int i; 1100 1101 if (svbi->service_set != 0) { 1102 for (i = 0; i <= 23; i++) { 1103 svbi->service_lines[1][i] = 0; 1104 svbi->service_lines[0][i] = 1105 tvp5150_set_vbi(sd, vbi_ram_default, 1106 svbi->service_lines[0][i], 0xf0, i, 3); 1107 } 1108 /* Enables FIFO */ 1109 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1110 } else { 1111 /* Disables FIFO*/ 1112 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1113 1114 /* Disable Full Field */ 1115 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1116 1117 /* Disable Line modes */ 1118 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1119 tvp5150_write(sd, i, 0xff); 1120 } 1121 return 0; 1122 } 1123 1124 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1125 { 1126 int i, mask = 0; 1127 1128 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1129 1130 for (i = 0; i <= 23; i++) { 1131 svbi->service_lines[0][i] = 1132 tvp5150_get_vbi(sd, vbi_ram_default, i); 1133 mask |= svbi->service_lines[0][i]; 1134 } 1135 svbi->service_set = mask; 1136 return 0; 1137 } 1138 1139 #ifdef CONFIG_VIDEO_ADV_DEBUG 1140 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1141 { 1142 int res; 1143 1144 res = tvp5150_read(sd, reg->reg & 0xff); 1145 if (res < 0) { 1146 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res); 1147 return res; 1148 } 1149 1150 reg->val = res; 1151 reg->size = 1; 1152 return 0; 1153 } 1154 1155 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1156 { 1157 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1158 return 0; 1159 } 1160 #endif 1161 1162 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1163 { 1164 int status = tvp5150_read(sd, 0x88); 1165 1166 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1167 return 0; 1168 } 1169 1170 static int tvp5150_registered_async(struct v4l2_subdev *sd) 1171 { 1172 #ifdef CONFIG_MEDIA_CONTROLLER 1173 struct tvp5150 *decoder = to_tvp5150(sd); 1174 int ret = 0; 1175 int i; 1176 1177 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1178 struct media_entity *input = &decoder->input_ent[i]; 1179 struct media_pad *pad = &decoder->input_pad[i]; 1180 1181 if (!input->name) 1182 continue; 1183 1184 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1185 1186 ret = media_entity_pads_init(input, 1, pad); 1187 if (ret < 0) 1188 return ret; 1189 1190 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1191 if (ret < 0) 1192 return ret; 1193 1194 ret = media_create_pad_link(input, 0, &sd->entity, 1195 DEMOD_PAD_IF_INPUT, 0); 1196 if (ret < 0) { 1197 media_device_unregister_entity(input); 1198 return ret; 1199 } 1200 } 1201 #endif 1202 1203 return 0; 1204 } 1205 1206 /* ----------------------------------------------------------------------- */ 1207 1208 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1209 .s_ctrl = tvp5150_s_ctrl, 1210 }; 1211 1212 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1213 .log_status = tvp5150_log_status, 1214 .reset = tvp5150_reset, 1215 #ifdef CONFIG_VIDEO_ADV_DEBUG 1216 .g_register = tvp5150_g_register, 1217 .s_register = tvp5150_s_register, 1218 #endif 1219 .registered_async = tvp5150_registered_async, 1220 }; 1221 1222 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1223 .g_tuner = tvp5150_g_tuner, 1224 }; 1225 1226 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1227 .s_std = tvp5150_s_std, 1228 .s_stream = tvp5150_s_stream, 1229 .s_routing = tvp5150_s_routing, 1230 .s_crop = tvp5150_s_crop, 1231 .g_crop = tvp5150_g_crop, 1232 .cropcap = tvp5150_cropcap, 1233 .g_mbus_config = tvp5150_g_mbus_config, 1234 }; 1235 1236 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1237 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1238 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1239 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1240 .s_raw_fmt = tvp5150_s_raw_fmt, 1241 }; 1242 1243 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1244 .enum_mbus_code = tvp5150_enum_mbus_code, 1245 .enum_frame_size = tvp5150_enum_frame_size, 1246 .set_fmt = tvp5150_fill_fmt, 1247 .get_fmt = tvp5150_fill_fmt, 1248 }; 1249 1250 static const struct v4l2_subdev_ops tvp5150_ops = { 1251 .core = &tvp5150_core_ops, 1252 .tuner = &tvp5150_tuner_ops, 1253 .video = &tvp5150_video_ops, 1254 .vbi = &tvp5150_vbi_ops, 1255 .pad = &tvp5150_pad_ops, 1256 }; 1257 1258 1259 /**************************************************************************** 1260 I2C Client & Driver 1261 ****************************************************************************/ 1262 1263 static int tvp5150_detect_version(struct tvp5150 *core) 1264 { 1265 struct v4l2_subdev *sd = &core->sd; 1266 struct i2c_client *c = v4l2_get_subdevdata(sd); 1267 unsigned int i; 1268 u8 regs[4]; 1269 int res; 1270 1271 /* 1272 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1273 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1274 */ 1275 for (i = 0; i < 4; i++) { 1276 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1277 if (res < 0) 1278 return res; 1279 regs[i] = res; 1280 } 1281 1282 core->dev_id = (regs[0] << 8) | regs[1]; 1283 core->rom_ver = (regs[2] << 8) | regs[3]; 1284 1285 v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1286 core->dev_id, regs[2], regs[3], c->addr << 1, 1287 c->adapter->name); 1288 1289 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1290 v4l2_info(sd, "tvp5150a detected.\n"); 1291 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1292 v4l2_info(sd, "tvp5150am1 detected.\n"); 1293 1294 /* ITU-T BT.656.4 timing */ 1295 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1296 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1297 v4l2_info(sd, "tvp5151 detected.\n"); 1298 } else { 1299 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n", 1300 core->dev_id); 1301 } 1302 1303 return 0; 1304 } 1305 1306 static int tvp5150_init(struct i2c_client *c) 1307 { 1308 struct gpio_desc *pdn_gpio; 1309 struct gpio_desc *reset_gpio; 1310 1311 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1312 if (IS_ERR(pdn_gpio)) 1313 return PTR_ERR(pdn_gpio); 1314 1315 if (pdn_gpio) { 1316 gpiod_set_value_cansleep(pdn_gpio, 0); 1317 /* Delay time between power supplies active and reset */ 1318 msleep(20); 1319 } 1320 1321 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1322 if (IS_ERR(reset_gpio)) 1323 return PTR_ERR(reset_gpio); 1324 1325 if (reset_gpio) { 1326 /* RESETB pulse duration */ 1327 ndelay(500); 1328 gpiod_set_value_cansleep(reset_gpio, 0); 1329 /* Delay time between end of reset to I2C active */ 1330 usleep_range(200, 250); 1331 } 1332 1333 return 0; 1334 } 1335 1336 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1337 { 1338 struct v4l2_of_endpoint bus_cfg; 1339 struct device_node *ep; 1340 #ifdef CONFIG_MEDIA_CONTROLLER 1341 struct device_node *connectors, *child; 1342 struct media_entity *input; 1343 const char *name; 1344 u32 input_type; 1345 #endif 1346 unsigned int flags; 1347 int ret = 0; 1348 1349 ep = of_graph_get_next_endpoint(np, NULL); 1350 if (!ep) 1351 return -EINVAL; 1352 1353 ret = v4l2_of_parse_endpoint(ep, &bus_cfg); 1354 if (ret) 1355 goto err; 1356 1357 flags = bus_cfg.bus.parallel.flags; 1358 1359 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1360 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1361 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1362 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1363 ret = -EINVAL; 1364 goto err; 1365 } 1366 1367 decoder->mbus_type = bus_cfg.bus_type; 1368 1369 #ifdef CONFIG_MEDIA_CONTROLLER 1370 connectors = of_get_child_by_name(np, "connectors"); 1371 1372 if (!connectors) 1373 goto err; 1374 1375 for_each_available_child_of_node(connectors, child) { 1376 ret = of_property_read_u32(child, "input", &input_type); 1377 if (ret) { 1378 v4l2_err(&decoder->sd, 1379 "missing type property in node %s\n", 1380 child->name); 1381 goto err_connector; 1382 } 1383 1384 if (input_type > TVP5150_INPUT_NUM) { 1385 ret = -EINVAL; 1386 goto err_connector; 1387 } 1388 1389 input = &decoder->input_ent[input_type]; 1390 1391 /* Each input connector can only be defined once */ 1392 if (input->name) { 1393 v4l2_err(&decoder->sd, 1394 "input %s with same type already exists\n", 1395 input->name); 1396 ret = -EINVAL; 1397 goto err_connector; 1398 } 1399 1400 switch (input_type) { 1401 case TVP5150_COMPOSITE0: 1402 case TVP5150_COMPOSITE1: 1403 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1404 break; 1405 case TVP5150_SVIDEO: 1406 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1407 break; 1408 case TVP5150_GENERATOR: 1409 input->function = MEDIA_ENT_F_CONN_TEST; 1410 break; 1411 } 1412 1413 input->flags = MEDIA_ENT_FL_CONNECTOR; 1414 1415 ret = of_property_read_string(child, "label", &name); 1416 if (ret < 0) { 1417 v4l2_err(&decoder->sd, 1418 "missing label property in node %s\n", 1419 child->name); 1420 goto err_connector; 1421 } 1422 1423 input->name = name; 1424 } 1425 1426 err_connector: 1427 of_node_put(connectors); 1428 #endif 1429 err: 1430 of_node_put(ep); 1431 return ret; 1432 } 1433 1434 static int tvp5150_probe(struct i2c_client *c, 1435 const struct i2c_device_id *id) 1436 { 1437 struct tvp5150 *core; 1438 struct v4l2_subdev *sd; 1439 struct device_node *np = c->dev.of_node; 1440 int res; 1441 1442 /* Check if the adapter supports the needed features */ 1443 if (!i2c_check_functionality(c->adapter, 1444 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1445 return -EIO; 1446 1447 res = tvp5150_init(c); 1448 if (res) 1449 return res; 1450 1451 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1452 if (!core) 1453 return -ENOMEM; 1454 1455 sd = &core->sd; 1456 1457 if (IS_ENABLED(CONFIG_OF) && np) { 1458 res = tvp5150_parse_dt(core, np); 1459 if (res) { 1460 v4l2_err(sd, "DT parsing error: %d\n", res); 1461 return res; 1462 } 1463 } else { 1464 /* Default to BT.656 embedded sync */ 1465 core->mbus_type = V4L2_MBUS_BT656; 1466 } 1467 1468 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1469 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1470 1471 #if defined(CONFIG_MEDIA_CONTROLLER) 1472 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1473 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1474 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1475 1476 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1477 1478 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1479 if (res < 0) 1480 return res; 1481 1482 sd->entity.ops = &tvp5150_sd_media_ops; 1483 #endif 1484 1485 res = tvp5150_detect_version(core); 1486 if (res < 0) 1487 return res; 1488 1489 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1490 core->input = TVP5150_COMPOSITE1; 1491 core->enable = 1; 1492 1493 v4l2_ctrl_handler_init(&core->hdl, 5); 1494 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1495 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1496 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1497 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1498 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1499 V4L2_CID_SATURATION, 0, 255, 1, 128); 1500 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1501 V4L2_CID_HUE, -128, 127, 1, 0); 1502 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1503 V4L2_CID_PIXEL_RATE, 27000000, 1504 27000000, 1, 27000000); 1505 sd->ctrl_handler = &core->hdl; 1506 if (core->hdl.error) { 1507 res = core->hdl.error; 1508 goto err; 1509 } 1510 v4l2_ctrl_handler_setup(&core->hdl); 1511 1512 /* Default is no cropping */ 1513 core->rect.top = 0; 1514 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1515 core->rect.height = TVP5150_V_MAX_525_60; 1516 else 1517 core->rect.height = TVP5150_V_MAX_OTHERS; 1518 core->rect.left = 0; 1519 core->rect.width = TVP5150_H_MAX; 1520 1521 res = v4l2_async_register_subdev(sd); 1522 if (res < 0) 1523 goto err; 1524 1525 if (debug > 1) 1526 tvp5150_log_status(sd); 1527 return 0; 1528 1529 err: 1530 v4l2_ctrl_handler_free(&core->hdl); 1531 return res; 1532 } 1533 1534 static int tvp5150_remove(struct i2c_client *c) 1535 { 1536 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1537 struct tvp5150 *decoder = to_tvp5150(sd); 1538 1539 v4l2_dbg(1, debug, sd, 1540 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1541 c->addr << 1); 1542 1543 v4l2_async_unregister_subdev(sd); 1544 v4l2_ctrl_handler_free(&decoder->hdl); 1545 return 0; 1546 } 1547 1548 /* ----------------------------------------------------------------------- */ 1549 1550 static const struct i2c_device_id tvp5150_id[] = { 1551 { "tvp5150", 0 }, 1552 { } 1553 }; 1554 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1555 1556 #if IS_ENABLED(CONFIG_OF) 1557 static const struct of_device_id tvp5150_of_match[] = { 1558 { .compatible = "ti,tvp5150", }, 1559 { /* sentinel */ }, 1560 }; 1561 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1562 #endif 1563 1564 static struct i2c_driver tvp5150_driver = { 1565 .driver = { 1566 .of_match_table = of_match_ptr(tvp5150_of_match), 1567 .name = "tvp5150", 1568 }, 1569 .probe = tvp5150_probe, 1570 .remove = tvp5150_remove, 1571 .id_table = tvp5150_id, 1572 }; 1573 1574 module_i2c_driver(tvp5150_driver); 1575