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 <linux/of_graph.h> 16 #include <media/v4l2-async.h> 17 #include <media/v4l2-device.h> 18 #include <media/v4l2-ctrls.h> 19 #include <media/v4l2-fwnode.h> 20 #include <media/v4l2-mc.h> 21 22 #include "tvp5150_reg.h" 23 24 #define TVP5150_H_MAX 720U 25 #define TVP5150_V_MAX_525_60 480U 26 #define TVP5150_V_MAX_OTHERS 576U 27 #define TVP5150_MAX_CROP_LEFT 511 28 #define TVP5150_MAX_CROP_TOP 127 29 #define TVP5150_CROP_SHIFT 2 30 31 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver"); 32 MODULE_AUTHOR("Mauro Carvalho Chehab"); 33 MODULE_LICENSE("GPL"); 34 35 36 static int debug; 37 module_param(debug, int, 0644); 38 MODULE_PARM_DESC(debug, "Debug level (0-2)"); 39 40 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg) 41 42 struct tvp5150 { 43 struct v4l2_subdev sd; 44 #ifdef CONFIG_MEDIA_CONTROLLER 45 struct media_pad pads[DEMOD_NUM_PADS]; 46 struct media_entity input_ent[TVP5150_INPUT_NUM]; 47 struct media_pad input_pad[TVP5150_INPUT_NUM]; 48 #endif 49 struct v4l2_ctrl_handler hdl; 50 struct v4l2_rect rect; 51 52 v4l2_std_id norm; /* Current set standard */ 53 u32 input; 54 u32 output; 55 int enable; 56 57 u16 dev_id; 58 u16 rom_ver; 59 60 enum v4l2_mbus_type mbus_type; 61 }; 62 63 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 64 { 65 return container_of(sd, struct tvp5150, sd); 66 } 67 68 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 69 { 70 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 71 } 72 73 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 74 { 75 struct i2c_client *c = v4l2_get_subdevdata(sd); 76 int rc; 77 78 rc = i2c_smbus_read_byte_data(c, addr); 79 if (rc < 0) { 80 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 81 return rc; 82 } 83 84 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc); 85 86 return rc; 87 } 88 89 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 90 unsigned char value) 91 { 92 struct i2c_client *c = v4l2_get_subdevdata(sd); 93 int rc; 94 95 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value); 96 rc = i2c_smbus_write_byte_data(c, addr, value); 97 if (rc < 0) 98 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 99 100 return rc; 101 } 102 103 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 104 const u8 end, int max_line) 105 { 106 u8 buf[16]; 107 int i = 0, j, len; 108 109 if (max_line > 16) { 110 dprintk0(sd->dev, "too much data to dump\n"); 111 return; 112 } 113 114 for (i = init; i < end; i += max_line) { 115 len = (end - i > max_line) ? max_line : end - i; 116 117 for (j = 0; j < len; j++) 118 buf[j] = tvp5150_read(sd, i + j); 119 120 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf); 121 } 122 } 123 124 static int tvp5150_log_status(struct v4l2_subdev *sd) 125 { 126 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n", 127 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 128 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n", 129 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 130 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n", 131 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 132 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n", 133 tvp5150_read(sd, TVP5150_MISC_CTL)); 134 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n", 135 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 136 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n", 137 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 138 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 141 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 142 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n", 143 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 144 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n", 145 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 146 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n", 147 tvp5150_read(sd, TVP5150_HUE_CTL)); 148 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n", 149 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 150 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n", 151 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 152 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n", 153 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 154 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n", 155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 156 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 157 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n", 158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 159 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 160 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n", 161 tvp5150_read(sd, TVP5150_GENLOCK)); 162 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n", 163 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 164 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n", 165 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 166 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n", 167 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 168 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 170 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 171 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n", 172 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 173 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n", 174 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 175 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n", 176 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 177 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n", 178 tvp5150_read(sd, TVP5150_VIDEO_STD)); 179 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 180 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 181 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 182 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n", 183 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 184 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n", 185 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 186 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 187 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 188 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n", 189 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 190 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 191 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n", 192 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 193 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 194 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n", 195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 196 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 197 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n", 198 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 199 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n", 200 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 201 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 202 tvp5150_read(sd, TVP5150_STATUS_REG_1), 203 tvp5150_read(sd, TVP5150_STATUS_REG_2), 204 tvp5150_read(sd, TVP5150_STATUS_REG_3), 205 tvp5150_read(sd, TVP5150_STATUS_REG_4), 206 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 207 208 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 209 TVP5150_TELETEXT_FIL1_END, 8); 210 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 211 TVP5150_TELETEXT_FIL2_END, 8); 212 213 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n", 214 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 215 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n", 216 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 217 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n", 218 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 219 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n", 220 tvp5150_read(sd, TVP5150_INT_CONF)); 221 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n", 222 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 223 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n", 224 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 225 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n", 226 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 227 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n", 228 tvp5150_read(sd, TVP5150_FIFO_RESET)); 229 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n", 230 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 231 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n", 232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 233 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 234 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n", 235 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 236 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n", 237 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 238 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n", 239 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 240 241 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 242 TVP5150_CC_DATA_END, 8); 243 244 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 245 TVP5150_WSS_DATA_END, 8); 246 247 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 248 TVP5150_VPS_DATA_END, 8); 249 250 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 251 TVP5150_VITC_DATA_END, 10); 252 253 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 254 TVP5150_LINE_MODE_END, 8); 255 return 0; 256 } 257 258 /**************************************************************************** 259 Basic functions 260 ****************************************************************************/ 261 262 static void tvp5150_selmux(struct v4l2_subdev *sd) 263 { 264 int opmode = 0; 265 struct tvp5150 *decoder = to_tvp5150(sd); 266 int input = 0; 267 int val; 268 269 /* Only tvp5150am1 and tvp5151 have signal generator support */ 270 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 271 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 272 if (!decoder->enable) 273 input = 8; 274 } 275 276 switch (decoder->input) { 277 case TVP5150_COMPOSITE1: 278 input |= 2; 279 /* fall through */ 280 case TVP5150_COMPOSITE0: 281 break; 282 case TVP5150_SVIDEO: 283 default: 284 input |= 1; 285 break; 286 } 287 288 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n", 289 decoder->input, decoder->output, 290 input, opmode); 291 292 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 293 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 294 295 /* 296 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For 297 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK 298 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the 299 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set 300 * INTREQ/GPCL/VBLK to logic 1. 301 */ 302 val = tvp5150_read(sd, TVP5150_MISC_CTL); 303 if (val < 0) { 304 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val); 305 return; 306 } 307 308 if (decoder->input == TVP5150_SVIDEO) 309 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK; 310 else 311 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL; 312 tvp5150_write(sd, TVP5150_MISC_CTL, val); 313 }; 314 315 struct i2c_reg_value { 316 unsigned char reg; 317 unsigned char value; 318 }; 319 320 /* Default values as sugested at TVP5150AM1 datasheet */ 321 static const struct i2c_reg_value tvp5150_init_default[] = { 322 { /* 0x00 */ 323 TVP5150_VD_IN_SRC_SEL_1,0x00 324 }, 325 { /* 0x01 */ 326 TVP5150_ANAL_CHL_CTL,0x15 327 }, 328 { /* 0x02 */ 329 TVP5150_OP_MODE_CTL,0x00 330 }, 331 { /* 0x03 */ 332 TVP5150_MISC_CTL,0x01 333 }, 334 { /* 0x06 */ 335 TVP5150_COLOR_KIL_THSH_CTL,0x10 336 }, 337 { /* 0x07 */ 338 TVP5150_LUMA_PROC_CTL_1,0x60 339 }, 340 { /* 0x08 */ 341 TVP5150_LUMA_PROC_CTL_2,0x00 342 }, 343 { /* 0x09 */ 344 TVP5150_BRIGHT_CTL,0x80 345 }, 346 { /* 0x0a */ 347 TVP5150_SATURATION_CTL,0x80 348 }, 349 { /* 0x0b */ 350 TVP5150_HUE_CTL,0x00 351 }, 352 { /* 0x0c */ 353 TVP5150_CONTRAST_CTL,0x80 354 }, 355 { /* 0x0d */ 356 TVP5150_DATA_RATE_SEL,0x47 357 }, 358 { /* 0x0e */ 359 TVP5150_LUMA_PROC_CTL_3,0x00 360 }, 361 { /* 0x0f */ 362 TVP5150_CONF_SHARED_PIN,0x08 363 }, 364 { /* 0x11 */ 365 TVP5150_ACT_VD_CROP_ST_MSB,0x00 366 }, 367 { /* 0x12 */ 368 TVP5150_ACT_VD_CROP_ST_LSB,0x00 369 }, 370 { /* 0x13 */ 371 TVP5150_ACT_VD_CROP_STP_MSB,0x00 372 }, 373 { /* 0x14 */ 374 TVP5150_ACT_VD_CROP_STP_LSB,0x00 375 }, 376 { /* 0x15 */ 377 TVP5150_GENLOCK,0x01 378 }, 379 { /* 0x16 */ 380 TVP5150_HORIZ_SYNC_START,0x80 381 }, 382 { /* 0x18 */ 383 TVP5150_VERT_BLANKING_START,0x00 384 }, 385 { /* 0x19 */ 386 TVP5150_VERT_BLANKING_STOP,0x00 387 }, 388 { /* 0x1a */ 389 TVP5150_CHROMA_PROC_CTL_1,0x0c 390 }, 391 { /* 0x1b */ 392 TVP5150_CHROMA_PROC_CTL_2,0x14 393 }, 394 { /* 0x1c */ 395 TVP5150_INT_RESET_REG_B,0x00 396 }, 397 { /* 0x1d */ 398 TVP5150_INT_ENABLE_REG_B,0x00 399 }, 400 { /* 0x1e */ 401 TVP5150_INTT_CONFIG_REG_B,0x00 402 }, 403 { /* 0x28 */ 404 TVP5150_VIDEO_STD,0x00 405 }, 406 { /* 0x2e */ 407 TVP5150_MACROVISION_ON_CTR,0x0f 408 }, 409 { /* 0x2f */ 410 TVP5150_MACROVISION_OFF_CTR,0x01 411 }, 412 { /* 0xbb */ 413 TVP5150_TELETEXT_FIL_ENA,0x00 414 }, 415 { /* 0xc0 */ 416 TVP5150_INT_STATUS_REG_A,0x00 417 }, 418 { /* 0xc1 */ 419 TVP5150_INT_ENABLE_REG_A,0x00 420 }, 421 { /* 0xc2 */ 422 TVP5150_INT_CONF,0x04 423 }, 424 { /* 0xc8 */ 425 TVP5150_FIFO_INT_THRESHOLD,0x80 426 }, 427 { /* 0xc9 */ 428 TVP5150_FIFO_RESET,0x00 429 }, 430 { /* 0xca */ 431 TVP5150_LINE_NUMBER_INT,0x00 432 }, 433 { /* 0xcb */ 434 TVP5150_PIX_ALIGN_REG_LOW,0x4e 435 }, 436 { /* 0xcc */ 437 TVP5150_PIX_ALIGN_REG_HIGH,0x00 438 }, 439 { /* 0xcd */ 440 TVP5150_FIFO_OUT_CTRL,0x01 441 }, 442 { /* 0xcf */ 443 TVP5150_FULL_FIELD_ENA,0x00 444 }, 445 { /* 0xd0 */ 446 TVP5150_LINE_MODE_INI,0x00 447 }, 448 { /* 0xfc */ 449 TVP5150_FULL_FIELD_MODE_REG,0x7f 450 }, 451 { /* end of data */ 452 0xff,0xff 453 } 454 }; 455 456 /* Default values as sugested at TVP5150AM1 datasheet */ 457 static const struct i2c_reg_value tvp5150_init_enable[] = { 458 { 459 TVP5150_CONF_SHARED_PIN, 2 460 },{ /* Automatic offset and AGC enabled */ 461 TVP5150_ANAL_CHL_CTL, 0x15 462 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 463 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL | 464 TVP5150_MISC_CTL_INTREQ_OE | 465 TVP5150_MISC_CTL_YCBCR_OE | 466 TVP5150_MISC_CTL_SYNC_OE | 467 TVP5150_MISC_CTL_VBLANK | 468 TVP5150_MISC_CTL_CLOCK_OE, 469 },{ /* Activates video std autodetection for all standards */ 470 TVP5150_AUTOSW_MSK, 0x0 471 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 472 TVP5150_DATA_RATE_SEL, 0x47 473 },{ 474 TVP5150_CHROMA_PROC_CTL_1, 0x0c 475 },{ 476 TVP5150_CHROMA_PROC_CTL_2, 0x54 477 },{ /* Non documented, but initialized on WinTV USB2 */ 478 0x27, 0x20 479 },{ 480 0xff,0xff 481 } 482 }; 483 484 struct tvp5150_vbi_type { 485 unsigned int vbi_type; 486 unsigned int ini_line; 487 unsigned int end_line; 488 unsigned int by_field :1; 489 }; 490 491 struct i2c_vbi_ram_value { 492 u16 reg; 493 struct tvp5150_vbi_type type; 494 unsigned char values[16]; 495 }; 496 497 /* This struct have the values for each supported VBI Standard 498 * by 499 tvp5150_vbi_types should follow the same order as vbi_ram_default 500 * value 0 means rom position 0x10, value 1 means rom position 0x30 501 * and so on. There are 16 possible locations from 0 to 15. 502 */ 503 504 static struct i2c_vbi_ram_value vbi_ram_default[] = 505 { 506 /* FIXME: Current api doesn't handle all VBI types, those not 507 yet supported are placed under #if 0 */ 508 #if 0 509 {0x010, /* Teletext, SECAM, WST System A */ 510 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 511 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 512 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 513 }, 514 #endif 515 {0x030, /* Teletext, PAL, WST System B */ 516 {V4L2_SLICED_TELETEXT_B,6,22,1}, 517 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 518 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 519 }, 520 #if 0 521 {0x050, /* Teletext, PAL, WST System C */ 522 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 523 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 524 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 525 }, 526 {0x070, /* Teletext, NTSC, WST System B */ 527 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 528 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 529 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 530 }, 531 {0x090, /* Tetetext, NTSC NABTS System C */ 532 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 533 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 534 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 535 }, 536 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 537 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 538 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 539 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 540 }, 541 {0x0d0, /* Closed Caption, PAL/SECAM */ 542 {V4L2_SLICED_CAPTION_625,22,22,1}, 543 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 544 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 545 }, 546 #endif 547 {0x0f0, /* Closed Caption, NTSC */ 548 {V4L2_SLICED_CAPTION_525,21,21,1}, 549 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 550 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 551 }, 552 {0x110, /* Wide Screen Signal, PAL/SECAM */ 553 {V4L2_SLICED_WSS_625,23,23,1}, 554 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 555 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 556 }, 557 #if 0 558 {0x130, /* Wide Screen Signal, NTSC C */ 559 {V4L2_SLICED_WSS_525,20,20,1}, 560 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 561 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 562 }, 563 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 564 {V4l2_SLICED_VITC_625,6,22,0}, 565 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 566 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 567 }, 568 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 569 {V4l2_SLICED_VITC_525,10,20,0}, 570 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 571 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 572 }, 573 #endif 574 {0x190, /* Video Program System (VPS), PAL */ 575 {V4L2_SLICED_VPS,16,16,0}, 576 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 577 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 578 }, 579 /* 0x1d0 User programmable */ 580 581 /* End of struct */ 582 { (u16)-1 } 583 }; 584 585 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 586 const struct i2c_reg_value *regs) 587 { 588 while (regs->reg != 0xff) { 589 tvp5150_write(sd, regs->reg, regs->value); 590 regs++; 591 } 592 return 0; 593 } 594 595 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 596 const struct i2c_vbi_ram_value *regs) 597 { 598 unsigned int i; 599 600 /* Disable Full Field */ 601 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 602 603 /* Before programming, Line mode should be at 0xff */ 604 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 605 tvp5150_write(sd, i, 0xff); 606 607 /* Load Ram Table */ 608 while (regs->reg != (u16)-1) { 609 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 610 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 611 612 for (i = 0; i < 16; i++) 613 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 614 615 regs++; 616 } 617 return 0; 618 } 619 620 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 621 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 622 struct v4l2_sliced_vbi_cap *cap) 623 { 624 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 625 int line; 626 627 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); 628 memset(cap, 0, sizeof *cap); 629 630 while (regs->reg != (u16)-1 ) { 631 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 632 cap->service_lines[0][line] |= regs->type.vbi_type; 633 } 634 cap->service_set |= regs->type.vbi_type; 635 636 regs++; 637 } 638 return 0; 639 } 640 641 /* Set vbi processing 642 * type - one of tvp5150_vbi_types 643 * line - line to gather data 644 * fields: bit 0 field1, bit 1, field2 645 * flags (default=0xf0) is a bitmask, were set means: 646 * bit 7: enable filtering null bytes on CC 647 * bit 6: send data also to FIFO 648 * bit 5: don't allow data with errors on FIFO 649 * bit 4: enable ECC when possible 650 * pix_align = pix alignment: 651 * LSB = field1 652 * MSB = field2 653 */ 654 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 655 const struct i2c_vbi_ram_value *regs, 656 unsigned int type,u8 flags, int line, 657 const int fields) 658 { 659 struct tvp5150 *decoder = to_tvp5150(sd); 660 v4l2_std_id std = decoder->norm; 661 u8 reg; 662 int pos=0; 663 664 if (std == V4L2_STD_ALL) { 665 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 666 return 0; 667 } else if (std & V4L2_STD_625_50) { 668 /* Don't follow NTSC Line number convension */ 669 line += 3; 670 } 671 672 if (line<6||line>27) 673 return 0; 674 675 while (regs->reg != (u16)-1 ) { 676 if ((type & regs->type.vbi_type) && 677 (line>=regs->type.ini_line) && 678 (line<=regs->type.end_line)) { 679 type=regs->type.vbi_type; 680 break; 681 } 682 683 regs++; 684 pos++; 685 } 686 if (regs->reg == (u16)-1) 687 return 0; 688 689 type=pos | (flags & 0xf0); 690 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 691 692 if (fields&1) { 693 tvp5150_write(sd, reg, type); 694 } 695 696 if (fields&2) { 697 tvp5150_write(sd, reg+1, type); 698 } 699 700 return type; 701 } 702 703 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 704 const struct i2c_vbi_ram_value *regs, int line) 705 { 706 struct tvp5150 *decoder = to_tvp5150(sd); 707 v4l2_std_id std = decoder->norm; 708 u8 reg; 709 int pos, type = 0; 710 int i, ret = 0; 711 712 if (std == V4L2_STD_ALL) { 713 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 714 return 0; 715 } else if (std & V4L2_STD_625_50) { 716 /* Don't follow NTSC Line number convension */ 717 line += 3; 718 } 719 720 if (line < 6 || line > 27) 721 return 0; 722 723 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 724 725 for (i = 0; i <= 1; i++) { 726 ret = tvp5150_read(sd, reg + i); 727 if (ret < 0) { 728 dev_err(sd->dev, "%s: failed with error = %d\n", 729 __func__, ret); 730 return 0; 731 } 732 pos = ret & 0x0f; 733 if (pos < 0x0f) 734 type |= regs[pos].type.vbi_type; 735 } 736 737 return type; 738 } 739 740 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 741 { 742 struct tvp5150 *decoder = to_tvp5150(sd); 743 int fmt = 0; 744 745 decoder->norm = std; 746 747 /* First tests should be against specific std */ 748 749 if (std == V4L2_STD_NTSC_443) { 750 fmt = VIDEO_STD_NTSC_4_43_BIT; 751 } else if (std == V4L2_STD_PAL_M) { 752 fmt = VIDEO_STD_PAL_M_BIT; 753 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 754 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 755 } else { 756 /* Then, test against generic ones */ 757 if (std & V4L2_STD_NTSC) 758 fmt = VIDEO_STD_NTSC_MJ_BIT; 759 else if (std & V4L2_STD_PAL) 760 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 761 else if (std & V4L2_STD_SECAM) 762 fmt = VIDEO_STD_SECAM_BIT; 763 } 764 765 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt); 766 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 767 return 0; 768 } 769 770 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 771 { 772 struct tvp5150 *decoder = to_tvp5150(sd); 773 774 if (decoder->norm == std) 775 return 0; 776 777 /* Change cropping height limits */ 778 if (std & V4L2_STD_525_60) 779 decoder->rect.height = TVP5150_V_MAX_525_60; 780 else 781 decoder->rect.height = TVP5150_V_MAX_OTHERS; 782 783 784 return tvp5150_set_std(sd, std); 785 } 786 787 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 788 { 789 struct tvp5150 *decoder = to_tvp5150(sd); 790 791 /* Initializes TVP5150 to its default values */ 792 tvp5150_write_inittab(sd, tvp5150_init_default); 793 794 /* Initializes VDP registers */ 795 tvp5150_vdp_init(sd, vbi_ram_default); 796 797 /* Selects decoder input */ 798 tvp5150_selmux(sd); 799 800 /* Initializes TVP5150 to stream enabled values */ 801 tvp5150_write_inittab(sd, tvp5150_init_enable); 802 803 /* Initialize image preferences */ 804 v4l2_ctrl_handler_setup(&decoder->hdl); 805 806 tvp5150_set_std(sd, decoder->norm); 807 808 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 809 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 810 811 return 0; 812 }; 813 814 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 815 { 816 struct v4l2_subdev *sd = to_sd(ctrl); 817 struct tvp5150 *decoder = to_tvp5150(sd); 818 819 switch (ctrl->id) { 820 case V4L2_CID_BRIGHTNESS: 821 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 822 return 0; 823 case V4L2_CID_CONTRAST: 824 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 825 return 0; 826 case V4L2_CID_SATURATION: 827 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 828 return 0; 829 case V4L2_CID_HUE: 830 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 831 break; 832 case V4L2_CID_TEST_PATTERN: 833 decoder->enable = ctrl->val ? false : true; 834 tvp5150_selmux(sd); 835 return 0; 836 } 837 return -EINVAL; 838 } 839 840 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 841 { 842 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 843 844 switch (val & 0x0F) { 845 case 0x01: 846 return V4L2_STD_NTSC; 847 case 0x03: 848 return V4L2_STD_PAL; 849 case 0x05: 850 return V4L2_STD_PAL_M; 851 case 0x07: 852 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 853 case 0x09: 854 return V4L2_STD_NTSC_443; 855 case 0xb: 856 return V4L2_STD_SECAM; 857 default: 858 return V4L2_STD_UNKNOWN; 859 } 860 } 861 862 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 863 struct v4l2_subdev_pad_config *cfg, 864 struct v4l2_subdev_format *format) 865 { 866 struct v4l2_mbus_framefmt *f; 867 struct tvp5150 *decoder = to_tvp5150(sd); 868 869 if (!format || (format->pad != DEMOD_PAD_VID_OUT)) 870 return -EINVAL; 871 872 f = &format->format; 873 874 f->width = decoder->rect.width; 875 f->height = decoder->rect.height; 876 877 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 878 f->field = V4L2_FIELD_ALTERNATE; 879 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 880 881 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width, 882 f->height); 883 return 0; 884 } 885 886 static int tvp5150_set_selection(struct v4l2_subdev *sd, 887 struct v4l2_subdev_pad_config *cfg, 888 struct v4l2_subdev_selection *sel) 889 { 890 struct tvp5150 *decoder = to_tvp5150(sd); 891 struct v4l2_rect rect = sel->r; 892 v4l2_std_id std; 893 int hmax; 894 895 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE || 896 sel->target != V4L2_SEL_TGT_CROP) 897 return -EINVAL; 898 899 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n", 900 __func__, rect.left, rect.top, rect.width, rect.height); 901 902 /* tvp5150 has some special limits */ 903 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 904 rect.width = clamp_t(unsigned int, rect.width, 905 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 906 TVP5150_H_MAX - rect.left); 907 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 908 909 /* Calculate height based on current standard */ 910 if (decoder->norm == V4L2_STD_ALL) 911 std = tvp5150_read_std(sd); 912 else 913 std = decoder->norm; 914 915 if (std & V4L2_STD_525_60) 916 hmax = TVP5150_V_MAX_525_60; 917 else 918 hmax = TVP5150_V_MAX_OTHERS; 919 920 rect.height = clamp_t(unsigned int, rect.height, 921 hmax - TVP5150_MAX_CROP_TOP - rect.top, 922 hmax - rect.top); 923 924 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 925 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 926 rect.top + rect.height - hmax); 927 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 928 rect.left >> TVP5150_CROP_SHIFT); 929 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 930 rect.left | (1 << TVP5150_CROP_SHIFT)); 931 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 932 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 933 TVP5150_CROP_SHIFT); 934 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 935 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 936 937 decoder->rect = rect; 938 939 return 0; 940 } 941 942 static int tvp5150_get_selection(struct v4l2_subdev *sd, 943 struct v4l2_subdev_pad_config *cfg, 944 struct v4l2_subdev_selection *sel) 945 { 946 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 947 v4l2_std_id std; 948 949 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) 950 return -EINVAL; 951 952 switch (sel->target) { 953 case V4L2_SEL_TGT_CROP_BOUNDS: 954 case V4L2_SEL_TGT_CROP_DEFAULT: 955 sel->r.left = 0; 956 sel->r.top = 0; 957 sel->r.width = TVP5150_H_MAX; 958 959 /* Calculate height based on current standard */ 960 if (decoder->norm == V4L2_STD_ALL) 961 std = tvp5150_read_std(sd); 962 else 963 std = decoder->norm; 964 if (std & V4L2_STD_525_60) 965 sel->r.height = TVP5150_V_MAX_525_60; 966 else 967 sel->r.height = TVP5150_V_MAX_OTHERS; 968 return 0; 969 case V4L2_SEL_TGT_CROP: 970 sel->r = decoder->rect; 971 return 0; 972 default: 973 return -EINVAL; 974 } 975 } 976 977 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 978 struct v4l2_mbus_config *cfg) 979 { 980 struct tvp5150 *decoder = to_tvp5150(sd); 981 982 cfg->type = decoder->mbus_type; 983 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 984 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 985 986 return 0; 987 } 988 989 /**************************************************************************** 990 V4L2 subdev pad ops 991 ****************************************************************************/ 992 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 993 struct v4l2_subdev_pad_config *cfg, 994 struct v4l2_subdev_mbus_code_enum *code) 995 { 996 if (code->pad || code->index) 997 return -EINVAL; 998 999 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 1000 return 0; 1001 } 1002 1003 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 1004 struct v4l2_subdev_pad_config *cfg, 1005 struct v4l2_subdev_frame_size_enum *fse) 1006 { 1007 struct tvp5150 *decoder = to_tvp5150(sd); 1008 1009 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 1010 return -EINVAL; 1011 1012 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1013 fse->min_width = decoder->rect.width; 1014 fse->max_width = decoder->rect.width; 1015 fse->min_height = decoder->rect.height / 2; 1016 fse->max_height = decoder->rect.height / 2; 1017 1018 return 0; 1019 } 1020 1021 /**************************************************************************** 1022 Media entity ops 1023 ****************************************************************************/ 1024 1025 #ifdef CONFIG_MEDIA_CONTROLLER 1026 static int tvp5150_link_setup(struct media_entity *entity, 1027 const struct media_pad *local, 1028 const struct media_pad *remote, u32 flags) 1029 { 1030 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1031 struct tvp5150 *decoder = to_tvp5150(sd); 1032 int i; 1033 1034 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1035 if (remote->entity == &decoder->input_ent[i]) 1036 break; 1037 } 1038 1039 /* Do nothing for entities that are not input connectors */ 1040 if (i == TVP5150_INPUT_NUM) 1041 return 0; 1042 1043 decoder->input = i; 1044 1045 tvp5150_selmux(sd); 1046 1047 return 0; 1048 } 1049 1050 static const struct media_entity_operations tvp5150_sd_media_ops = { 1051 .link_setup = tvp5150_link_setup, 1052 }; 1053 #endif 1054 1055 /**************************************************************************** 1056 I2C Command 1057 ****************************************************************************/ 1058 1059 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1060 { 1061 struct tvp5150 *decoder = to_tvp5150(sd); 1062 int val; 1063 1064 /* Enable or disable the video output signals. */ 1065 val = tvp5150_read(sd, TVP5150_MISC_CTL); 1066 if (val < 0) 1067 return val; 1068 1069 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | 1070 TVP5150_MISC_CTL_CLOCK_OE); 1071 1072 if (enable) { 1073 /* 1074 * Enable the YCbCr and clock outputs. In discrete sync mode 1075 * (non-BT.656) additionally enable the the sync outputs. 1076 */ 1077 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE; 1078 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1079 val |= TVP5150_MISC_CTL_SYNC_OE; 1080 } 1081 1082 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1083 1084 return 0; 1085 } 1086 1087 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1088 u32 input, u32 output, u32 config) 1089 { 1090 struct tvp5150 *decoder = to_tvp5150(sd); 1091 1092 decoder->input = input; 1093 decoder->output = output; 1094 1095 if (output == TVP5150_BLACK_SCREEN) 1096 decoder->enable = false; 1097 else 1098 decoder->enable = true; 1099 1100 tvp5150_selmux(sd); 1101 return 0; 1102 } 1103 1104 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1105 { 1106 /* this is for capturing 36 raw vbi lines 1107 if there's a way to cut off the beginning 2 vbi lines 1108 with the tvp5150 then the vbi line count could be lowered 1109 to 17 lines/field again, although I couldn't find a register 1110 which could do that cropping */ 1111 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1112 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1113 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1114 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1115 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1116 } 1117 return 0; 1118 } 1119 1120 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1121 { 1122 int i; 1123 1124 if (svbi->service_set != 0) { 1125 for (i = 0; i <= 23; i++) { 1126 svbi->service_lines[1][i] = 0; 1127 svbi->service_lines[0][i] = 1128 tvp5150_set_vbi(sd, vbi_ram_default, 1129 svbi->service_lines[0][i], 0xf0, i, 3); 1130 } 1131 /* Enables FIFO */ 1132 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1133 } else { 1134 /* Disables FIFO*/ 1135 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1136 1137 /* Disable Full Field */ 1138 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1139 1140 /* Disable Line modes */ 1141 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1142 tvp5150_write(sd, i, 0xff); 1143 } 1144 return 0; 1145 } 1146 1147 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1148 { 1149 int i, mask = 0; 1150 1151 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1152 1153 for (i = 0; i <= 23; i++) { 1154 svbi->service_lines[0][i] = 1155 tvp5150_get_vbi(sd, vbi_ram_default, i); 1156 mask |= svbi->service_lines[0][i]; 1157 } 1158 svbi->service_set = mask; 1159 return 0; 1160 } 1161 1162 #ifdef CONFIG_VIDEO_ADV_DEBUG 1163 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1164 { 1165 int res; 1166 1167 res = tvp5150_read(sd, reg->reg & 0xff); 1168 if (res < 0) { 1169 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res); 1170 return res; 1171 } 1172 1173 reg->val = res; 1174 reg->size = 1; 1175 return 0; 1176 } 1177 1178 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1179 { 1180 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1181 } 1182 #endif 1183 1184 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1185 { 1186 int status = tvp5150_read(sd, 0x88); 1187 1188 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1189 return 0; 1190 } 1191 1192 static int tvp5150_registered(struct v4l2_subdev *sd) 1193 { 1194 #ifdef CONFIG_MEDIA_CONTROLLER 1195 struct tvp5150 *decoder = to_tvp5150(sd); 1196 int ret = 0; 1197 int i; 1198 1199 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1200 struct media_entity *input = &decoder->input_ent[i]; 1201 struct media_pad *pad = &decoder->input_pad[i]; 1202 1203 if (!input->name) 1204 continue; 1205 1206 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1207 1208 ret = media_entity_pads_init(input, 1, pad); 1209 if (ret < 0) 1210 return ret; 1211 1212 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1213 if (ret < 0) 1214 return ret; 1215 1216 ret = media_create_pad_link(input, 0, &sd->entity, 1217 DEMOD_PAD_IF_INPUT, 0); 1218 if (ret < 0) { 1219 media_device_unregister_entity(input); 1220 return ret; 1221 } 1222 } 1223 #endif 1224 1225 return 0; 1226 } 1227 1228 /* ----------------------------------------------------------------------- */ 1229 1230 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1231 .s_ctrl = tvp5150_s_ctrl, 1232 }; 1233 1234 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1235 .log_status = tvp5150_log_status, 1236 .reset = tvp5150_reset, 1237 #ifdef CONFIG_VIDEO_ADV_DEBUG 1238 .g_register = tvp5150_g_register, 1239 .s_register = tvp5150_s_register, 1240 #endif 1241 }; 1242 1243 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1244 .g_tuner = tvp5150_g_tuner, 1245 }; 1246 1247 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1248 .s_std = tvp5150_s_std, 1249 .s_stream = tvp5150_s_stream, 1250 .s_routing = tvp5150_s_routing, 1251 .g_mbus_config = tvp5150_g_mbus_config, 1252 }; 1253 1254 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1255 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1256 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1257 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1258 .s_raw_fmt = tvp5150_s_raw_fmt, 1259 }; 1260 1261 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1262 .enum_mbus_code = tvp5150_enum_mbus_code, 1263 .enum_frame_size = tvp5150_enum_frame_size, 1264 .set_fmt = tvp5150_fill_fmt, 1265 .get_fmt = tvp5150_fill_fmt, 1266 .get_selection = tvp5150_get_selection, 1267 .set_selection = tvp5150_set_selection, 1268 }; 1269 1270 static const struct v4l2_subdev_ops tvp5150_ops = { 1271 .core = &tvp5150_core_ops, 1272 .tuner = &tvp5150_tuner_ops, 1273 .video = &tvp5150_video_ops, 1274 .vbi = &tvp5150_vbi_ops, 1275 .pad = &tvp5150_pad_ops, 1276 }; 1277 1278 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { 1279 .registered = tvp5150_registered, 1280 }; 1281 1282 1283 /**************************************************************************** 1284 I2C Client & Driver 1285 ****************************************************************************/ 1286 1287 static int tvp5150_detect_version(struct tvp5150 *core) 1288 { 1289 struct v4l2_subdev *sd = &core->sd; 1290 struct i2c_client *c = v4l2_get_subdevdata(sd); 1291 unsigned int i; 1292 u8 regs[4]; 1293 int res; 1294 1295 /* 1296 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1297 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1298 */ 1299 for (i = 0; i < 4; i++) { 1300 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1301 if (res < 0) 1302 return res; 1303 regs[i] = res; 1304 } 1305 1306 core->dev_id = (regs[0] << 8) | regs[1]; 1307 core->rom_ver = (regs[2] << 8) | regs[3]; 1308 1309 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1310 core->dev_id, regs[2], regs[3], c->addr << 1, 1311 c->adapter->name); 1312 1313 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1314 dev_info(sd->dev, "tvp5150a detected.\n"); 1315 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1316 dev_info(sd->dev, "tvp5150am1 detected.\n"); 1317 1318 /* ITU-T BT.656.4 timing */ 1319 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1320 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1321 dev_info(sd->dev, "tvp5151 detected.\n"); 1322 } else { 1323 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n", 1324 core->dev_id); 1325 } 1326 1327 return 0; 1328 } 1329 1330 static int tvp5150_init(struct i2c_client *c) 1331 { 1332 struct gpio_desc *pdn_gpio; 1333 struct gpio_desc *reset_gpio; 1334 1335 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1336 if (IS_ERR(pdn_gpio)) 1337 return PTR_ERR(pdn_gpio); 1338 1339 if (pdn_gpio) { 1340 gpiod_set_value_cansleep(pdn_gpio, 0); 1341 /* Delay time between power supplies active and reset */ 1342 msleep(20); 1343 } 1344 1345 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1346 if (IS_ERR(reset_gpio)) 1347 return PTR_ERR(reset_gpio); 1348 1349 if (reset_gpio) { 1350 /* RESETB pulse duration */ 1351 ndelay(500); 1352 gpiod_set_value_cansleep(reset_gpio, 0); 1353 /* Delay time between end of reset to I2C active */ 1354 usleep_range(200, 250); 1355 } 1356 1357 return 0; 1358 } 1359 1360 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1361 { 1362 struct v4l2_fwnode_endpoint bus_cfg; 1363 struct device_node *ep; 1364 #ifdef CONFIG_MEDIA_CONTROLLER 1365 struct device_node *connectors, *child; 1366 struct media_entity *input; 1367 const char *name; 1368 u32 input_type; 1369 #endif 1370 unsigned int flags; 1371 int ret = 0; 1372 1373 ep = of_graph_get_next_endpoint(np, NULL); 1374 if (!ep) 1375 return -EINVAL; 1376 1377 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg); 1378 if (ret) 1379 goto err; 1380 1381 flags = bus_cfg.bus.parallel.flags; 1382 1383 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1384 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1385 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1386 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1387 ret = -EINVAL; 1388 goto err; 1389 } 1390 1391 decoder->mbus_type = bus_cfg.bus_type; 1392 1393 #ifdef CONFIG_MEDIA_CONTROLLER 1394 connectors = of_get_child_by_name(np, "connectors"); 1395 1396 if (!connectors) 1397 goto err; 1398 1399 for_each_available_child_of_node(connectors, child) { 1400 ret = of_property_read_u32(child, "input", &input_type); 1401 if (ret) { 1402 dev_err(decoder->sd.dev, 1403 "missing type property in node %s\n", 1404 child->name); 1405 goto err_connector; 1406 } 1407 1408 if (input_type >= TVP5150_INPUT_NUM) { 1409 ret = -EINVAL; 1410 goto err_connector; 1411 } 1412 1413 input = &decoder->input_ent[input_type]; 1414 1415 /* Each input connector can only be defined once */ 1416 if (input->name) { 1417 dev_err(decoder->sd.dev, 1418 "input %s with same type already exists\n", 1419 input->name); 1420 ret = -EINVAL; 1421 goto err_connector; 1422 } 1423 1424 switch (input_type) { 1425 case TVP5150_COMPOSITE0: 1426 case TVP5150_COMPOSITE1: 1427 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1428 break; 1429 case TVP5150_SVIDEO: 1430 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1431 break; 1432 } 1433 1434 input->flags = MEDIA_ENT_FL_CONNECTOR; 1435 1436 ret = of_property_read_string(child, "label", &name); 1437 if (ret < 0) { 1438 dev_err(decoder->sd.dev, 1439 "missing label property in node %s\n", 1440 child->name); 1441 goto err_connector; 1442 } 1443 1444 input->name = name; 1445 } 1446 1447 err_connector: 1448 of_node_put(connectors); 1449 #endif 1450 err: 1451 of_node_put(ep); 1452 return ret; 1453 } 1454 1455 static const char * const tvp5150_test_patterns[2] = { 1456 "Disabled", 1457 "Black screen" 1458 }; 1459 1460 static int tvp5150_probe(struct i2c_client *c, 1461 const struct i2c_device_id *id) 1462 { 1463 struct tvp5150 *core; 1464 struct v4l2_subdev *sd; 1465 struct device_node *np = c->dev.of_node; 1466 int res; 1467 1468 /* Check if the adapter supports the needed features */ 1469 if (!i2c_check_functionality(c->adapter, 1470 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1471 return -EIO; 1472 1473 res = tvp5150_init(c); 1474 if (res) 1475 return res; 1476 1477 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1478 if (!core) 1479 return -ENOMEM; 1480 1481 sd = &core->sd; 1482 1483 if (IS_ENABLED(CONFIG_OF) && np) { 1484 res = tvp5150_parse_dt(core, np); 1485 if (res) { 1486 dev_err(sd->dev, "DT parsing error: %d\n", res); 1487 return res; 1488 } 1489 } else { 1490 /* Default to BT.656 embedded sync */ 1491 core->mbus_type = V4L2_MBUS_BT656; 1492 } 1493 1494 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1495 sd->internal_ops = &tvp5150_internal_ops; 1496 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1497 1498 #if defined(CONFIG_MEDIA_CONTROLLER) 1499 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1500 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1501 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1502 1503 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1504 1505 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1506 if (res < 0) 1507 return res; 1508 1509 sd->entity.ops = &tvp5150_sd_media_ops; 1510 #endif 1511 1512 res = tvp5150_detect_version(core); 1513 if (res < 0) 1514 return res; 1515 1516 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1517 core->input = TVP5150_COMPOSITE1; 1518 core->enable = true; 1519 1520 v4l2_ctrl_handler_init(&core->hdl, 5); 1521 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1522 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1523 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1524 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1525 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1526 V4L2_CID_SATURATION, 0, 255, 1, 128); 1527 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1528 V4L2_CID_HUE, -128, 127, 1, 0); 1529 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1530 V4L2_CID_PIXEL_RATE, 27000000, 1531 27000000, 1, 27000000); 1532 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1533 V4L2_CID_TEST_PATTERN, 1534 ARRAY_SIZE(tvp5150_test_patterns), 1535 0, 0, tvp5150_test_patterns); 1536 sd->ctrl_handler = &core->hdl; 1537 if (core->hdl.error) { 1538 res = core->hdl.error; 1539 goto err; 1540 } 1541 1542 /* Default is no cropping */ 1543 core->rect.top = 0; 1544 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1545 core->rect.height = TVP5150_V_MAX_525_60; 1546 else 1547 core->rect.height = TVP5150_V_MAX_OTHERS; 1548 core->rect.left = 0; 1549 core->rect.width = TVP5150_H_MAX; 1550 1551 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */ 1552 1553 res = v4l2_async_register_subdev(sd); 1554 if (res < 0) 1555 goto err; 1556 1557 if (debug > 1) 1558 tvp5150_log_status(sd); 1559 return 0; 1560 1561 err: 1562 v4l2_ctrl_handler_free(&core->hdl); 1563 return res; 1564 } 1565 1566 static int tvp5150_remove(struct i2c_client *c) 1567 { 1568 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1569 struct tvp5150 *decoder = to_tvp5150(sd); 1570 1571 dev_dbg_lvl(sd->dev, 1, debug, 1572 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1573 c->addr << 1); 1574 1575 v4l2_async_unregister_subdev(sd); 1576 v4l2_ctrl_handler_free(&decoder->hdl); 1577 return 0; 1578 } 1579 1580 /* ----------------------------------------------------------------------- */ 1581 1582 static const struct i2c_device_id tvp5150_id[] = { 1583 { "tvp5150", 0 }, 1584 { } 1585 }; 1586 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1587 1588 #if IS_ENABLED(CONFIG_OF) 1589 static const struct of_device_id tvp5150_of_match[] = { 1590 { .compatible = "ti,tvp5150", }, 1591 { /* sentinel */ }, 1592 }; 1593 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1594 #endif 1595 1596 static struct i2c_driver tvp5150_driver = { 1597 .driver = { 1598 .of_match_table = of_match_ptr(tvp5150_of_match), 1599 .name = "tvp5150", 1600 }, 1601 .probe = tvp5150_probe, 1602 .remove = tvp5150_remove, 1603 .id_table = tvp5150_id, 1604 }; 1605 1606 module_i2c_driver(tvp5150_driver); 1607