1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver 4 // 5 // Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@infradead.org> 6 7 #include <dt-bindings/media/tvp5150.h> 8 #include <linux/i2c.h> 9 #include <linux/slab.h> 10 #include <linux/videodev2.h> 11 #include <linux/delay.h> 12 #include <linux/gpio/consumer.h> 13 #include <linux/module.h> 14 #include <linux/of_graph.h> 15 #include <media/v4l2-async.h> 16 #include <media/v4l2-device.h> 17 #include <media/v4l2-ctrls.h> 18 #include <media/v4l2-fwnode.h> 19 #include <media/v4l2-mc.h> 20 21 #include "tvp5150_reg.h" 22 23 #define TVP5150_H_MAX 720U 24 #define TVP5150_V_MAX_525_60 480U 25 #define TVP5150_V_MAX_OTHERS 576U 26 #define TVP5150_MAX_CROP_LEFT 511 27 #define TVP5150_MAX_CROP_TOP 127 28 #define TVP5150_CROP_SHIFT 2 29 30 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver"); 31 MODULE_AUTHOR("Mauro Carvalho Chehab"); 32 MODULE_LICENSE("GPL v2"); 33 34 35 static int debug; 36 module_param(debug, int, 0644); 37 MODULE_PARM_DESC(debug, "Debug level (0-2)"); 38 39 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg) 40 41 struct tvp5150 { 42 struct v4l2_subdev sd; 43 #ifdef CONFIG_MEDIA_CONTROLLER 44 struct media_pad pads[DEMOD_NUM_PADS]; 45 struct media_entity input_ent[TVP5150_INPUT_NUM]; 46 struct media_pad input_pad[TVP5150_INPUT_NUM]; 47 #endif 48 struct v4l2_ctrl_handler hdl; 49 struct v4l2_rect rect; 50 51 v4l2_std_id norm; /* Current set standard */ 52 u32 input; 53 u32 output; 54 int enable; 55 56 u16 dev_id; 57 u16 rom_ver; 58 59 enum v4l2_mbus_type mbus_type; 60 }; 61 62 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 63 { 64 return container_of(sd, struct tvp5150, sd); 65 } 66 67 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 68 { 69 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 70 } 71 72 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 73 { 74 struct i2c_client *c = v4l2_get_subdevdata(sd); 75 int rc; 76 77 rc = i2c_smbus_read_byte_data(c, addr); 78 if (rc < 0) { 79 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 80 return rc; 81 } 82 83 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc); 84 85 return rc; 86 } 87 88 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 89 unsigned char value) 90 { 91 struct i2c_client *c = v4l2_get_subdevdata(sd); 92 int rc; 93 94 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value); 95 rc = i2c_smbus_write_byte_data(c, addr, value); 96 if (rc < 0) 97 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 98 99 return rc; 100 } 101 102 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 103 const u8 end, int max_line) 104 { 105 u8 buf[16]; 106 int i = 0, j, len; 107 108 if (max_line > 16) { 109 dprintk0(sd->dev, "too much data to dump\n"); 110 return; 111 } 112 113 for (i = init; i < end; i += max_line) { 114 len = (end - i > max_line) ? max_line : end - i; 115 116 for (j = 0; j < len; j++) 117 buf[j] = tvp5150_read(sd, i + j); 118 119 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf); 120 } 121 } 122 123 static int tvp5150_log_status(struct v4l2_subdev *sd) 124 { 125 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n", 126 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 127 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n", 128 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 129 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n", 130 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 131 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n", 132 tvp5150_read(sd, TVP5150_MISC_CTL)); 133 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n", 134 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 135 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n", 136 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 137 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 138 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 141 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n", 142 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 143 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n", 144 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 145 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n", 146 tvp5150_read(sd, TVP5150_HUE_CTL)); 147 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n", 148 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 149 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n", 150 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 151 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n", 152 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 153 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n", 154 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 156 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n", 157 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 159 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n", 160 tvp5150_read(sd, TVP5150_GENLOCK)); 161 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n", 162 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 163 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n", 164 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 165 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n", 166 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 167 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 168 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 170 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n", 171 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 172 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n", 173 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 174 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n", 175 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 176 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n", 177 tvp5150_read(sd, TVP5150_VIDEO_STD)); 178 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 179 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 180 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 181 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n", 182 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 183 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n", 184 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 185 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 186 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 187 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n", 188 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 189 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 190 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n", 191 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 192 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 193 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n", 194 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 196 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n", 197 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 198 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n", 199 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 200 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 201 tvp5150_read(sd, TVP5150_STATUS_REG_1), 202 tvp5150_read(sd, TVP5150_STATUS_REG_2), 203 tvp5150_read(sd, TVP5150_STATUS_REG_3), 204 tvp5150_read(sd, TVP5150_STATUS_REG_4), 205 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 206 207 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 208 TVP5150_TELETEXT_FIL1_END, 8); 209 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 210 TVP5150_TELETEXT_FIL2_END, 8); 211 212 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n", 213 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 214 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n", 215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 216 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n", 217 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 218 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n", 219 tvp5150_read(sd, TVP5150_INT_CONF)); 220 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n", 221 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 222 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n", 223 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 224 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n", 225 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 226 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n", 227 tvp5150_read(sd, TVP5150_FIFO_RESET)); 228 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n", 229 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 230 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n", 231 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 233 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n", 234 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 235 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n", 236 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 237 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n", 238 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 239 240 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 241 TVP5150_CC_DATA_END, 8); 242 243 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 244 TVP5150_WSS_DATA_END, 8); 245 246 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 247 TVP5150_VPS_DATA_END, 8); 248 249 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 250 TVP5150_VITC_DATA_END, 10); 251 252 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 253 TVP5150_LINE_MODE_END, 8); 254 return 0; 255 } 256 257 /**************************************************************************** 258 Basic functions 259 ****************************************************************************/ 260 261 static void tvp5150_selmux(struct v4l2_subdev *sd) 262 { 263 int opmode = 0; 264 struct tvp5150 *decoder = to_tvp5150(sd); 265 int input = 0; 266 int val; 267 268 /* Only tvp5150am1 and tvp5151 have signal generator support */ 269 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 270 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 271 if (!decoder->enable) 272 input = 8; 273 } 274 275 switch (decoder->input) { 276 case TVP5150_COMPOSITE1: 277 input |= 2; 278 /* fall through */ 279 case TVP5150_COMPOSITE0: 280 break; 281 case TVP5150_SVIDEO: 282 default: 283 input |= 1; 284 break; 285 } 286 287 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n", 288 decoder->input, decoder->output, 289 input, opmode); 290 291 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 292 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 293 294 /* 295 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For 296 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK 297 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the 298 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set 299 * INTREQ/GPCL/VBLK to logic 1. 300 */ 301 val = tvp5150_read(sd, TVP5150_MISC_CTL); 302 if (val < 0) { 303 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val); 304 return; 305 } 306 307 if (decoder->input == TVP5150_SVIDEO) 308 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK; 309 else 310 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL; 311 tvp5150_write(sd, TVP5150_MISC_CTL, val); 312 }; 313 314 struct i2c_reg_value { 315 unsigned char reg; 316 unsigned char value; 317 }; 318 319 /* Default values as sugested at TVP5150AM1 datasheet */ 320 static const struct i2c_reg_value tvp5150_init_default[] = { 321 { /* 0x00 */ 322 TVP5150_VD_IN_SRC_SEL_1,0x00 323 }, 324 { /* 0x01 */ 325 TVP5150_ANAL_CHL_CTL,0x15 326 }, 327 { /* 0x02 */ 328 TVP5150_OP_MODE_CTL,0x00 329 }, 330 { /* 0x03 */ 331 TVP5150_MISC_CTL,0x01 332 }, 333 { /* 0x06 */ 334 TVP5150_COLOR_KIL_THSH_CTL,0x10 335 }, 336 { /* 0x07 */ 337 TVP5150_LUMA_PROC_CTL_1,0x60 338 }, 339 { /* 0x08 */ 340 TVP5150_LUMA_PROC_CTL_2,0x00 341 }, 342 { /* 0x09 */ 343 TVP5150_BRIGHT_CTL,0x80 344 }, 345 { /* 0x0a */ 346 TVP5150_SATURATION_CTL,0x80 347 }, 348 { /* 0x0b */ 349 TVP5150_HUE_CTL,0x00 350 }, 351 { /* 0x0c */ 352 TVP5150_CONTRAST_CTL,0x80 353 }, 354 { /* 0x0d */ 355 TVP5150_DATA_RATE_SEL,0x47 356 }, 357 { /* 0x0e */ 358 TVP5150_LUMA_PROC_CTL_3,0x00 359 }, 360 { /* 0x0f */ 361 TVP5150_CONF_SHARED_PIN,0x08 362 }, 363 { /* 0x11 */ 364 TVP5150_ACT_VD_CROP_ST_MSB,0x00 365 }, 366 { /* 0x12 */ 367 TVP5150_ACT_VD_CROP_ST_LSB,0x00 368 }, 369 { /* 0x13 */ 370 TVP5150_ACT_VD_CROP_STP_MSB,0x00 371 }, 372 { /* 0x14 */ 373 TVP5150_ACT_VD_CROP_STP_LSB,0x00 374 }, 375 { /* 0x15 */ 376 TVP5150_GENLOCK,0x01 377 }, 378 { /* 0x16 */ 379 TVP5150_HORIZ_SYNC_START,0x80 380 }, 381 { /* 0x18 */ 382 TVP5150_VERT_BLANKING_START,0x00 383 }, 384 { /* 0x19 */ 385 TVP5150_VERT_BLANKING_STOP,0x00 386 }, 387 { /* 0x1a */ 388 TVP5150_CHROMA_PROC_CTL_1,0x0c 389 }, 390 { /* 0x1b */ 391 TVP5150_CHROMA_PROC_CTL_2,0x14 392 }, 393 { /* 0x1c */ 394 TVP5150_INT_RESET_REG_B,0x00 395 }, 396 { /* 0x1d */ 397 TVP5150_INT_ENABLE_REG_B,0x00 398 }, 399 { /* 0x1e */ 400 TVP5150_INTT_CONFIG_REG_B,0x00 401 }, 402 { /* 0x28 */ 403 TVP5150_VIDEO_STD,0x00 404 }, 405 { /* 0x2e */ 406 TVP5150_MACROVISION_ON_CTR,0x0f 407 }, 408 { /* 0x2f */ 409 TVP5150_MACROVISION_OFF_CTR,0x01 410 }, 411 { /* 0xbb */ 412 TVP5150_TELETEXT_FIL_ENA,0x00 413 }, 414 { /* 0xc0 */ 415 TVP5150_INT_STATUS_REG_A,0x00 416 }, 417 { /* 0xc1 */ 418 TVP5150_INT_ENABLE_REG_A,0x00 419 }, 420 { /* 0xc2 */ 421 TVP5150_INT_CONF,0x04 422 }, 423 { /* 0xc8 */ 424 TVP5150_FIFO_INT_THRESHOLD,0x80 425 }, 426 { /* 0xc9 */ 427 TVP5150_FIFO_RESET,0x00 428 }, 429 { /* 0xca */ 430 TVP5150_LINE_NUMBER_INT,0x00 431 }, 432 { /* 0xcb */ 433 TVP5150_PIX_ALIGN_REG_LOW,0x4e 434 }, 435 { /* 0xcc */ 436 TVP5150_PIX_ALIGN_REG_HIGH,0x00 437 }, 438 { /* 0xcd */ 439 TVP5150_FIFO_OUT_CTRL,0x01 440 }, 441 { /* 0xcf */ 442 TVP5150_FULL_FIELD_ENA,0x00 443 }, 444 { /* 0xd0 */ 445 TVP5150_LINE_MODE_INI,0x00 446 }, 447 { /* 0xfc */ 448 TVP5150_FULL_FIELD_MODE_REG,0x7f 449 }, 450 { /* end of data */ 451 0xff,0xff 452 } 453 }; 454 455 /* Default values as sugested at TVP5150AM1 datasheet */ 456 static const struct i2c_reg_value tvp5150_init_enable[] = { 457 { 458 TVP5150_CONF_SHARED_PIN, 2 459 },{ /* Automatic offset and AGC enabled */ 460 TVP5150_ANAL_CHL_CTL, 0x15 461 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 462 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL | 463 TVP5150_MISC_CTL_INTREQ_OE | 464 TVP5150_MISC_CTL_YCBCR_OE | 465 TVP5150_MISC_CTL_SYNC_OE | 466 TVP5150_MISC_CTL_VBLANK | 467 TVP5150_MISC_CTL_CLOCK_OE, 468 },{ /* Activates video std autodetection for all standards */ 469 TVP5150_AUTOSW_MSK, 0x0 470 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 471 TVP5150_DATA_RATE_SEL, 0x47 472 },{ 473 TVP5150_CHROMA_PROC_CTL_1, 0x0c 474 },{ 475 TVP5150_CHROMA_PROC_CTL_2, 0x54 476 },{ /* Non documented, but initialized on WinTV USB2 */ 477 0x27, 0x20 478 },{ 479 0xff,0xff 480 } 481 }; 482 483 struct tvp5150_vbi_type { 484 unsigned int vbi_type; 485 unsigned int ini_line; 486 unsigned int end_line; 487 unsigned int by_field :1; 488 }; 489 490 struct i2c_vbi_ram_value { 491 u16 reg; 492 struct tvp5150_vbi_type type; 493 unsigned char values[16]; 494 }; 495 496 /* This struct have the values for each supported VBI Standard 497 * by 498 tvp5150_vbi_types should follow the same order as vbi_ram_default 499 * value 0 means rom position 0x10, value 1 means rom position 0x30 500 * and so on. There are 16 possible locations from 0 to 15. 501 */ 502 503 static struct i2c_vbi_ram_value vbi_ram_default[] = 504 { 505 /* FIXME: Current api doesn't handle all VBI types, those not 506 yet supported are placed under #if 0 */ 507 #if 0 508 [0] = {0x010, /* Teletext, SECAM, WST System A */ 509 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 510 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 511 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 512 }, 513 #endif 514 [1] = {0x030, /* Teletext, PAL, WST System B */ 515 {V4L2_SLICED_TELETEXT_B,6,22,1}, 516 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 517 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 518 }, 519 #if 0 520 [2] = {0x050, /* Teletext, PAL, WST System C */ 521 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 522 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 523 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 524 }, 525 [3] = {0x070, /* Teletext, NTSC, WST System B */ 526 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 527 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 528 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 529 }, 530 [4] = {0x090, /* Tetetext, NTSC NABTS System C */ 531 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 532 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 533 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 534 }, 535 [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 536 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 537 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 538 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 539 }, 540 [6] = {0x0d0, /* Closed Caption, PAL/SECAM */ 541 {V4L2_SLICED_CAPTION_625,22,22,1}, 542 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 543 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 544 }, 545 #endif 546 [7] = {0x0f0, /* Closed Caption, NTSC */ 547 {V4L2_SLICED_CAPTION_525,21,21,1}, 548 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 549 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 550 }, 551 [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */ 552 {V4L2_SLICED_WSS_625,23,23,1}, 553 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 554 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 555 }, 556 #if 0 557 [9] = {0x130, /* Wide Screen Signal, NTSC C */ 558 {V4L2_SLICED_WSS_525,20,20,1}, 559 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 560 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 561 }, 562 [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 563 {V4l2_SLICED_VITC_625,6,22,0}, 564 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 565 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 566 }, 567 [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 568 {V4l2_SLICED_VITC_525,10,20,0}, 569 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 570 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 571 }, 572 #endif 573 [12] = {0x190, /* Video Program System (VPS), PAL */ 574 {V4L2_SLICED_VPS,16,16,0}, 575 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 576 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 577 }, 578 /* 0x1d0 User programmable */ 579 }; 580 581 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 582 const struct i2c_reg_value *regs) 583 { 584 while (regs->reg != 0xff) { 585 tvp5150_write(sd, regs->reg, regs->value); 586 regs++; 587 } 588 return 0; 589 } 590 591 static int tvp5150_vdp_init(struct v4l2_subdev *sd) 592 { 593 unsigned int i; 594 int j; 595 596 /* Disable Full Field */ 597 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 598 599 /* Before programming, Line mode should be at 0xff */ 600 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 601 tvp5150_write(sd, i, 0xff); 602 603 /* Load Ram Table */ 604 for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) { 605 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j]; 606 607 if (!regs->type.vbi_type) 608 continue; 609 610 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 611 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 612 613 for (i = 0; i < 16; i++) 614 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 615 } 616 return 0; 617 } 618 619 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 620 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 621 struct v4l2_sliced_vbi_cap *cap) 622 { 623 int line, i; 624 625 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); 626 memset(cap, 0, sizeof *cap); 627 628 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { 629 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; 630 631 if (!regs->type.vbi_type) 632 continue; 633 634 for (line = regs->type.ini_line; 635 line <= regs->type.end_line; 636 line++) { 637 cap->service_lines[0][line] |= regs->type.vbi_type; 638 } 639 cap->service_set |= regs->type.vbi_type; 640 } 641 return 0; 642 } 643 644 /* Set vbi processing 645 * type - one of tvp5150_vbi_types 646 * line - line to gather data 647 * fields: bit 0 field1, bit 1, field2 648 * flags (default=0xf0) is a bitmask, were set means: 649 * bit 7: enable filtering null bytes on CC 650 * bit 6: send data also to FIFO 651 * bit 5: don't allow data with errors on FIFO 652 * bit 4: enable ECC when possible 653 * pix_align = pix alignment: 654 * LSB = field1 655 * MSB = field2 656 */ 657 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 658 unsigned int type,u8 flags, int line, 659 const int fields) 660 { 661 struct tvp5150 *decoder = to_tvp5150(sd); 662 v4l2_std_id std = decoder->norm; 663 u8 reg; 664 int i, pos = 0; 665 666 if (std == V4L2_STD_ALL) { 667 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 668 return 0; 669 } else if (std & V4L2_STD_625_50) { 670 /* Don't follow NTSC Line number convension */ 671 line += 3; 672 } 673 674 if (line < 6 || line > 27) 675 return 0; 676 677 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { 678 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; 679 680 if (!regs->type.vbi_type) 681 continue; 682 683 if ((type & regs->type.vbi_type) && 684 (line >= regs->type.ini_line) && 685 (line <= regs->type.end_line)) 686 break; 687 pos++; 688 } 689 690 type = pos | (flags & 0xf0); 691 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 692 693 if (fields & 1) 694 tvp5150_write(sd, reg, type); 695 696 if (fields & 2) 697 tvp5150_write(sd, reg + 1, type); 698 699 return type; 700 } 701 702 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line) 703 { 704 struct tvp5150 *decoder = to_tvp5150(sd); 705 v4l2_std_id std = decoder->norm; 706 u8 reg; 707 int pos, type = 0; 708 int i, ret = 0; 709 710 if (std == V4L2_STD_ALL) { 711 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 712 return 0; 713 } else if (std & V4L2_STD_625_50) { 714 /* Don't follow NTSC Line number convension */ 715 line += 3; 716 } 717 718 if (line < 6 || line > 27) 719 return 0; 720 721 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 722 723 for (i = 0; i <= 1; i++) { 724 ret = tvp5150_read(sd, reg + i); 725 if (ret < 0) { 726 dev_err(sd->dev, "%s: failed with error = %d\n", 727 __func__, ret); 728 return 0; 729 } 730 pos = ret & 0x0f; 731 if (pos < ARRAY_SIZE(vbi_ram_default)) 732 type |= vbi_ram_default[pos].type.vbi_type; 733 } 734 735 return type; 736 } 737 738 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 739 { 740 struct tvp5150 *decoder = to_tvp5150(sd); 741 int fmt = 0; 742 743 decoder->norm = std; 744 745 /* First tests should be against specific std */ 746 747 if (std == V4L2_STD_NTSC_443) { 748 fmt = VIDEO_STD_NTSC_4_43_BIT; 749 } else if (std == V4L2_STD_PAL_M) { 750 fmt = VIDEO_STD_PAL_M_BIT; 751 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 752 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 753 } else { 754 /* Then, test against generic ones */ 755 if (std & V4L2_STD_NTSC) 756 fmt = VIDEO_STD_NTSC_MJ_BIT; 757 else if (std & V4L2_STD_PAL) 758 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 759 else if (std & V4L2_STD_SECAM) 760 fmt = VIDEO_STD_SECAM_BIT; 761 } 762 763 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt); 764 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 765 return 0; 766 } 767 768 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 769 { 770 struct tvp5150 *decoder = to_tvp5150(sd); 771 772 if (decoder->norm == std) 773 return 0; 774 775 /* Change cropping height limits */ 776 if (std & V4L2_STD_525_60) 777 decoder->rect.height = TVP5150_V_MAX_525_60; 778 else 779 decoder->rect.height = TVP5150_V_MAX_OTHERS; 780 781 782 return tvp5150_set_std(sd, std); 783 } 784 785 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 786 { 787 struct tvp5150 *decoder = to_tvp5150(sd); 788 789 /* Initializes TVP5150 to its default values */ 790 tvp5150_write_inittab(sd, tvp5150_init_default); 791 792 /* Initializes VDP registers */ 793 tvp5150_vdp_init(sd); 794 795 /* Selects decoder input */ 796 tvp5150_selmux(sd); 797 798 /* Initializes TVP5150 to stream enabled values */ 799 tvp5150_write_inittab(sd, tvp5150_init_enable); 800 801 /* Initialize image preferences */ 802 v4l2_ctrl_handler_setup(&decoder->hdl); 803 804 tvp5150_set_std(sd, decoder->norm); 805 806 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 807 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 808 809 return 0; 810 }; 811 812 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 813 { 814 struct v4l2_subdev *sd = to_sd(ctrl); 815 struct tvp5150 *decoder = to_tvp5150(sd); 816 817 switch (ctrl->id) { 818 case V4L2_CID_BRIGHTNESS: 819 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 820 return 0; 821 case V4L2_CID_CONTRAST: 822 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 823 return 0; 824 case V4L2_CID_SATURATION: 825 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 826 return 0; 827 case V4L2_CID_HUE: 828 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 829 break; 830 case V4L2_CID_TEST_PATTERN: 831 decoder->enable = ctrl->val ? false : true; 832 tvp5150_selmux(sd); 833 return 0; 834 } 835 return -EINVAL; 836 } 837 838 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 839 { 840 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 841 842 switch (val & 0x0F) { 843 case 0x01: 844 return V4L2_STD_NTSC; 845 case 0x03: 846 return V4L2_STD_PAL; 847 case 0x05: 848 return V4L2_STD_PAL_M; 849 case 0x07: 850 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 851 case 0x09: 852 return V4L2_STD_NTSC_443; 853 case 0xb: 854 return V4L2_STD_SECAM; 855 default: 856 return V4L2_STD_UNKNOWN; 857 } 858 } 859 860 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 861 struct v4l2_subdev_pad_config *cfg, 862 struct v4l2_subdev_format *format) 863 { 864 struct v4l2_mbus_framefmt *f; 865 struct tvp5150 *decoder = to_tvp5150(sd); 866 867 if (!format || (format->pad != DEMOD_PAD_VID_OUT)) 868 return -EINVAL; 869 870 f = &format->format; 871 872 f->width = decoder->rect.width; 873 f->height = decoder->rect.height; 874 875 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 876 f->field = V4L2_FIELD_ALTERNATE; 877 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 878 879 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width, 880 f->height); 881 return 0; 882 } 883 884 static int tvp5150_set_selection(struct v4l2_subdev *sd, 885 struct v4l2_subdev_pad_config *cfg, 886 struct v4l2_subdev_selection *sel) 887 { 888 struct tvp5150 *decoder = to_tvp5150(sd); 889 struct v4l2_rect rect = sel->r; 890 v4l2_std_id std; 891 int hmax; 892 893 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE || 894 sel->target != V4L2_SEL_TGT_CROP) 895 return -EINVAL; 896 897 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n", 898 __func__, rect.left, rect.top, rect.width, rect.height); 899 900 /* tvp5150 has some special limits */ 901 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 902 rect.width = clamp_t(unsigned int, rect.width, 903 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 904 TVP5150_H_MAX - rect.left); 905 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 906 907 /* Calculate height based on current standard */ 908 if (decoder->norm == V4L2_STD_ALL) 909 std = tvp5150_read_std(sd); 910 else 911 std = decoder->norm; 912 913 if (std & V4L2_STD_525_60) 914 hmax = TVP5150_V_MAX_525_60; 915 else 916 hmax = TVP5150_V_MAX_OTHERS; 917 918 rect.height = clamp_t(unsigned int, rect.height, 919 hmax - TVP5150_MAX_CROP_TOP - rect.top, 920 hmax - rect.top); 921 922 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 923 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 924 rect.top + rect.height - hmax); 925 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 926 rect.left >> TVP5150_CROP_SHIFT); 927 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 928 rect.left | (1 << TVP5150_CROP_SHIFT)); 929 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 930 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 931 TVP5150_CROP_SHIFT); 932 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 933 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 934 935 decoder->rect = rect; 936 937 return 0; 938 } 939 940 static int tvp5150_get_selection(struct v4l2_subdev *sd, 941 struct v4l2_subdev_pad_config *cfg, 942 struct v4l2_subdev_selection *sel) 943 { 944 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 945 v4l2_std_id std; 946 947 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) 948 return -EINVAL; 949 950 switch (sel->target) { 951 case V4L2_SEL_TGT_CROP_BOUNDS: 952 case V4L2_SEL_TGT_CROP_DEFAULT: 953 sel->r.left = 0; 954 sel->r.top = 0; 955 sel->r.width = TVP5150_H_MAX; 956 957 /* Calculate height based on current standard */ 958 if (decoder->norm == V4L2_STD_ALL) 959 std = tvp5150_read_std(sd); 960 else 961 std = decoder->norm; 962 if (std & V4L2_STD_525_60) 963 sel->r.height = TVP5150_V_MAX_525_60; 964 else 965 sel->r.height = TVP5150_V_MAX_OTHERS; 966 return 0; 967 case V4L2_SEL_TGT_CROP: 968 sel->r = decoder->rect; 969 return 0; 970 default: 971 return -EINVAL; 972 } 973 } 974 975 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 976 struct v4l2_mbus_config *cfg) 977 { 978 struct tvp5150 *decoder = to_tvp5150(sd); 979 980 cfg->type = decoder->mbus_type; 981 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 982 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 983 984 return 0; 985 } 986 987 /**************************************************************************** 988 V4L2 subdev pad ops 989 ****************************************************************************/ 990 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 991 struct v4l2_subdev_pad_config *cfg, 992 struct v4l2_subdev_mbus_code_enum *code) 993 { 994 if (code->pad || code->index) 995 return -EINVAL; 996 997 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 998 return 0; 999 } 1000 1001 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 1002 struct v4l2_subdev_pad_config *cfg, 1003 struct v4l2_subdev_frame_size_enum *fse) 1004 { 1005 struct tvp5150 *decoder = to_tvp5150(sd); 1006 1007 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 1008 return -EINVAL; 1009 1010 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1011 fse->min_width = decoder->rect.width; 1012 fse->max_width = decoder->rect.width; 1013 fse->min_height = decoder->rect.height / 2; 1014 fse->max_height = decoder->rect.height / 2; 1015 1016 return 0; 1017 } 1018 1019 /**************************************************************************** 1020 Media entity ops 1021 ****************************************************************************/ 1022 1023 #ifdef CONFIG_MEDIA_CONTROLLER 1024 static int tvp5150_link_setup(struct media_entity *entity, 1025 const struct media_pad *local, 1026 const struct media_pad *remote, u32 flags) 1027 { 1028 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1029 struct tvp5150 *decoder = to_tvp5150(sd); 1030 int i; 1031 1032 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1033 if (remote->entity == &decoder->input_ent[i]) 1034 break; 1035 } 1036 1037 /* Do nothing for entities that are not input connectors */ 1038 if (i == TVP5150_INPUT_NUM) 1039 return 0; 1040 1041 decoder->input = i; 1042 1043 tvp5150_selmux(sd); 1044 1045 return 0; 1046 } 1047 1048 static const struct media_entity_operations tvp5150_sd_media_ops = { 1049 .link_setup = tvp5150_link_setup, 1050 }; 1051 #endif 1052 1053 /**************************************************************************** 1054 I2C Command 1055 ****************************************************************************/ 1056 1057 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1058 { 1059 struct tvp5150 *decoder = to_tvp5150(sd); 1060 int val; 1061 1062 /* Enable or disable the video output signals. */ 1063 val = tvp5150_read(sd, TVP5150_MISC_CTL); 1064 if (val < 0) 1065 return val; 1066 1067 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | 1068 TVP5150_MISC_CTL_CLOCK_OE); 1069 1070 if (enable) { 1071 /* 1072 * Enable the YCbCr and clock outputs. In discrete sync mode 1073 * (non-BT.656) additionally enable the the sync outputs. 1074 */ 1075 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE; 1076 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1077 val |= TVP5150_MISC_CTL_SYNC_OE; 1078 } 1079 1080 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1081 1082 return 0; 1083 } 1084 1085 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1086 u32 input, u32 output, u32 config) 1087 { 1088 struct tvp5150 *decoder = to_tvp5150(sd); 1089 1090 decoder->input = input; 1091 decoder->output = output; 1092 1093 if (output == TVP5150_BLACK_SCREEN) 1094 decoder->enable = false; 1095 else 1096 decoder->enable = true; 1097 1098 tvp5150_selmux(sd); 1099 return 0; 1100 } 1101 1102 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1103 { 1104 /* this is for capturing 36 raw vbi lines 1105 if there's a way to cut off the beginning 2 vbi lines 1106 with the tvp5150 then the vbi line count could be lowered 1107 to 17 lines/field again, although I couldn't find a register 1108 which could do that cropping */ 1109 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1110 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1111 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1112 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1113 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1114 } 1115 return 0; 1116 } 1117 1118 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1119 { 1120 int i; 1121 1122 if (svbi->service_set != 0) { 1123 for (i = 0; i <= 23; i++) { 1124 svbi->service_lines[1][i] = 0; 1125 svbi->service_lines[0][i] = 1126 tvp5150_set_vbi(sd, svbi->service_lines[0][i], 1127 0xf0, i, 3); 1128 } 1129 /* Enables FIFO */ 1130 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1131 } else { 1132 /* Disables FIFO*/ 1133 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1134 1135 /* Disable Full Field */ 1136 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1137 1138 /* Disable Line modes */ 1139 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1140 tvp5150_write(sd, i, 0xff); 1141 } 1142 return 0; 1143 } 1144 1145 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1146 { 1147 int i, mask = 0; 1148 1149 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1150 1151 for (i = 0; i <= 23; i++) { 1152 svbi->service_lines[0][i] = 1153 tvp5150_get_vbi(sd, i); 1154 mask |= svbi->service_lines[0][i]; 1155 } 1156 svbi->service_set = mask; 1157 return 0; 1158 } 1159 1160 #ifdef CONFIG_VIDEO_ADV_DEBUG 1161 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1162 { 1163 int res; 1164 1165 res = tvp5150_read(sd, reg->reg & 0xff); 1166 if (res < 0) { 1167 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res); 1168 return res; 1169 } 1170 1171 reg->val = res; 1172 reg->size = 1; 1173 return 0; 1174 } 1175 1176 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1177 { 1178 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1179 } 1180 #endif 1181 1182 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1183 { 1184 int status = tvp5150_read(sd, 0x88); 1185 1186 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1187 return 0; 1188 } 1189 1190 static int tvp5150_registered(struct v4l2_subdev *sd) 1191 { 1192 #ifdef CONFIG_MEDIA_CONTROLLER 1193 struct tvp5150 *decoder = to_tvp5150(sd); 1194 int ret = 0; 1195 int i; 1196 1197 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1198 struct media_entity *input = &decoder->input_ent[i]; 1199 struct media_pad *pad = &decoder->input_pad[i]; 1200 1201 if (!input->name) 1202 continue; 1203 1204 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1205 1206 ret = media_entity_pads_init(input, 1, pad); 1207 if (ret < 0) 1208 return ret; 1209 1210 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1211 if (ret < 0) 1212 return ret; 1213 1214 ret = media_create_pad_link(input, 0, &sd->entity, 1215 DEMOD_PAD_IF_INPUT, 0); 1216 if (ret < 0) { 1217 media_device_unregister_entity(input); 1218 return ret; 1219 } 1220 } 1221 #endif 1222 1223 return 0; 1224 } 1225 1226 /* ----------------------------------------------------------------------- */ 1227 1228 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1229 .s_ctrl = tvp5150_s_ctrl, 1230 }; 1231 1232 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1233 .log_status = tvp5150_log_status, 1234 .reset = tvp5150_reset, 1235 #ifdef CONFIG_VIDEO_ADV_DEBUG 1236 .g_register = tvp5150_g_register, 1237 .s_register = tvp5150_s_register, 1238 #endif 1239 }; 1240 1241 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1242 .g_tuner = tvp5150_g_tuner, 1243 }; 1244 1245 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1246 .s_std = tvp5150_s_std, 1247 .s_stream = tvp5150_s_stream, 1248 .s_routing = tvp5150_s_routing, 1249 .g_mbus_config = tvp5150_g_mbus_config, 1250 }; 1251 1252 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1253 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1254 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1255 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1256 .s_raw_fmt = tvp5150_s_raw_fmt, 1257 }; 1258 1259 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1260 .enum_mbus_code = tvp5150_enum_mbus_code, 1261 .enum_frame_size = tvp5150_enum_frame_size, 1262 .set_fmt = tvp5150_fill_fmt, 1263 .get_fmt = tvp5150_fill_fmt, 1264 .get_selection = tvp5150_get_selection, 1265 .set_selection = tvp5150_set_selection, 1266 }; 1267 1268 static const struct v4l2_subdev_ops tvp5150_ops = { 1269 .core = &tvp5150_core_ops, 1270 .tuner = &tvp5150_tuner_ops, 1271 .video = &tvp5150_video_ops, 1272 .vbi = &tvp5150_vbi_ops, 1273 .pad = &tvp5150_pad_ops, 1274 }; 1275 1276 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { 1277 .registered = tvp5150_registered, 1278 }; 1279 1280 1281 /**************************************************************************** 1282 I2C Client & Driver 1283 ****************************************************************************/ 1284 1285 static int tvp5150_detect_version(struct tvp5150 *core) 1286 { 1287 struct v4l2_subdev *sd = &core->sd; 1288 struct i2c_client *c = v4l2_get_subdevdata(sd); 1289 unsigned int i; 1290 u8 regs[4]; 1291 int res; 1292 1293 /* 1294 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1295 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1296 */ 1297 for (i = 0; i < 4; i++) { 1298 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1299 if (res < 0) 1300 return res; 1301 regs[i] = res; 1302 } 1303 1304 core->dev_id = (regs[0] << 8) | regs[1]; 1305 core->rom_ver = (regs[2] << 8) | regs[3]; 1306 1307 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1308 core->dev_id, regs[2], regs[3], c->addr << 1, 1309 c->adapter->name); 1310 1311 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1312 dev_info(sd->dev, "tvp5150a detected.\n"); 1313 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1314 dev_info(sd->dev, "tvp5150am1 detected.\n"); 1315 1316 /* ITU-T BT.656.4 timing */ 1317 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1318 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1319 dev_info(sd->dev, "tvp5151 detected.\n"); 1320 } else { 1321 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n", 1322 core->dev_id); 1323 } 1324 1325 return 0; 1326 } 1327 1328 static int tvp5150_init(struct i2c_client *c) 1329 { 1330 struct gpio_desc *pdn_gpio; 1331 struct gpio_desc *reset_gpio; 1332 1333 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1334 if (IS_ERR(pdn_gpio)) 1335 return PTR_ERR(pdn_gpio); 1336 1337 if (pdn_gpio) { 1338 gpiod_set_value_cansleep(pdn_gpio, 0); 1339 /* Delay time between power supplies active and reset */ 1340 msleep(20); 1341 } 1342 1343 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1344 if (IS_ERR(reset_gpio)) 1345 return PTR_ERR(reset_gpio); 1346 1347 if (reset_gpio) { 1348 /* RESETB pulse duration */ 1349 ndelay(500); 1350 gpiod_set_value_cansleep(reset_gpio, 0); 1351 /* Delay time between end of reset to I2C active */ 1352 usleep_range(200, 250); 1353 } 1354 1355 return 0; 1356 } 1357 1358 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1359 { 1360 struct v4l2_fwnode_endpoint bus_cfg; 1361 struct device_node *ep; 1362 #ifdef CONFIG_MEDIA_CONTROLLER 1363 struct device_node *connectors, *child; 1364 struct media_entity *input; 1365 const char *name; 1366 u32 input_type; 1367 #endif 1368 unsigned int flags; 1369 int ret = 0; 1370 1371 ep = of_graph_get_next_endpoint(np, NULL); 1372 if (!ep) 1373 return -EINVAL; 1374 1375 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg); 1376 if (ret) 1377 goto err; 1378 1379 flags = bus_cfg.bus.parallel.flags; 1380 1381 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1382 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1383 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1384 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1385 ret = -EINVAL; 1386 goto err; 1387 } 1388 1389 decoder->mbus_type = bus_cfg.bus_type; 1390 1391 #ifdef CONFIG_MEDIA_CONTROLLER 1392 connectors = of_get_child_by_name(np, "connectors"); 1393 1394 if (!connectors) 1395 goto err; 1396 1397 for_each_available_child_of_node(connectors, child) { 1398 ret = of_property_read_u32(child, "input", &input_type); 1399 if (ret) { 1400 dev_err(decoder->sd.dev, 1401 "missing type property in node %s\n", 1402 child->name); 1403 goto err_connector; 1404 } 1405 1406 if (input_type >= TVP5150_INPUT_NUM) { 1407 ret = -EINVAL; 1408 goto err_connector; 1409 } 1410 1411 input = &decoder->input_ent[input_type]; 1412 1413 /* Each input connector can only be defined once */ 1414 if (input->name) { 1415 dev_err(decoder->sd.dev, 1416 "input %s with same type already exists\n", 1417 input->name); 1418 ret = -EINVAL; 1419 goto err_connector; 1420 } 1421 1422 switch (input_type) { 1423 case TVP5150_COMPOSITE0: 1424 case TVP5150_COMPOSITE1: 1425 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1426 break; 1427 case TVP5150_SVIDEO: 1428 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1429 break; 1430 } 1431 1432 input->flags = MEDIA_ENT_FL_CONNECTOR; 1433 1434 ret = of_property_read_string(child, "label", &name); 1435 if (ret < 0) { 1436 dev_err(decoder->sd.dev, 1437 "missing label property in node %s\n", 1438 child->name); 1439 goto err_connector; 1440 } 1441 1442 input->name = name; 1443 } 1444 1445 err_connector: 1446 of_node_put(connectors); 1447 #endif 1448 err: 1449 of_node_put(ep); 1450 return ret; 1451 } 1452 1453 static const char * const tvp5150_test_patterns[2] = { 1454 "Disabled", 1455 "Black screen" 1456 }; 1457 1458 static int tvp5150_probe(struct i2c_client *c, 1459 const struct i2c_device_id *id) 1460 { 1461 struct tvp5150 *core; 1462 struct v4l2_subdev *sd; 1463 struct device_node *np = c->dev.of_node; 1464 int res; 1465 1466 /* Check if the adapter supports the needed features */ 1467 if (!i2c_check_functionality(c->adapter, 1468 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1469 return -EIO; 1470 1471 res = tvp5150_init(c); 1472 if (res) 1473 return res; 1474 1475 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1476 if (!core) 1477 return -ENOMEM; 1478 1479 sd = &core->sd; 1480 1481 if (IS_ENABLED(CONFIG_OF) && np) { 1482 res = tvp5150_parse_dt(core, np); 1483 if (res) { 1484 dev_err(sd->dev, "DT parsing error: %d\n", res); 1485 return res; 1486 } 1487 } else { 1488 /* Default to BT.656 embedded sync */ 1489 core->mbus_type = V4L2_MBUS_BT656; 1490 } 1491 1492 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1493 sd->internal_ops = &tvp5150_internal_ops; 1494 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1495 1496 #if defined(CONFIG_MEDIA_CONTROLLER) 1497 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1498 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1499 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1500 1501 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1502 1503 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1504 if (res < 0) 1505 return res; 1506 1507 sd->entity.ops = &tvp5150_sd_media_ops; 1508 #endif 1509 1510 res = tvp5150_detect_version(core); 1511 if (res < 0) 1512 return res; 1513 1514 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1515 core->input = TVP5150_COMPOSITE1; 1516 core->enable = true; 1517 1518 v4l2_ctrl_handler_init(&core->hdl, 5); 1519 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1520 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1521 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1522 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1523 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1524 V4L2_CID_SATURATION, 0, 255, 1, 128); 1525 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1526 V4L2_CID_HUE, -128, 127, 1, 0); 1527 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1528 V4L2_CID_PIXEL_RATE, 27000000, 1529 27000000, 1, 27000000); 1530 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1531 V4L2_CID_TEST_PATTERN, 1532 ARRAY_SIZE(tvp5150_test_patterns), 1533 0, 0, tvp5150_test_patterns); 1534 sd->ctrl_handler = &core->hdl; 1535 if (core->hdl.error) { 1536 res = core->hdl.error; 1537 goto err; 1538 } 1539 1540 /* Default is no cropping */ 1541 core->rect.top = 0; 1542 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1543 core->rect.height = TVP5150_V_MAX_525_60; 1544 else 1545 core->rect.height = TVP5150_V_MAX_OTHERS; 1546 core->rect.left = 0; 1547 core->rect.width = TVP5150_H_MAX; 1548 1549 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */ 1550 1551 res = v4l2_async_register_subdev(sd); 1552 if (res < 0) 1553 goto err; 1554 1555 if (debug > 1) 1556 tvp5150_log_status(sd); 1557 return 0; 1558 1559 err: 1560 v4l2_ctrl_handler_free(&core->hdl); 1561 return res; 1562 } 1563 1564 static int tvp5150_remove(struct i2c_client *c) 1565 { 1566 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1567 struct tvp5150 *decoder = to_tvp5150(sd); 1568 1569 dev_dbg_lvl(sd->dev, 1, debug, 1570 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1571 c->addr << 1); 1572 1573 v4l2_async_unregister_subdev(sd); 1574 v4l2_ctrl_handler_free(&decoder->hdl); 1575 return 0; 1576 } 1577 1578 /* ----------------------------------------------------------------------- */ 1579 1580 static const struct i2c_device_id tvp5150_id[] = { 1581 { "tvp5150", 0 }, 1582 { } 1583 }; 1584 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1585 1586 #if IS_ENABLED(CONFIG_OF) 1587 static const struct of_device_id tvp5150_of_match[] = { 1588 { .compatible = "ti,tvp5150", }, 1589 { /* sentinel */ }, 1590 }; 1591 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1592 #endif 1593 1594 static struct i2c_driver tvp5150_driver = { 1595 .driver = { 1596 .of_match_table = of_match_ptr(tvp5150_of_match), 1597 .name = "tvp5150", 1598 }, 1599 .probe = tvp5150_probe, 1600 .remove = tvp5150_remove, 1601 .id_table = tvp5150_id, 1602 }; 1603 1604 module_i2c_driver(tvp5150_driver); 1605