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@kernel.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/interrupt.h> 14 #include <linux/module.h> 15 #include <linux/of_graph.h> 16 #include <linux/pm_runtime.h> 17 #include <linux/regmap.h> 18 #include <media/v4l2-async.h> 19 #include <media/v4l2-device.h> 20 #include <media/v4l2-event.h> 21 #include <media/v4l2-ctrls.h> 22 #include <media/v4l2-fwnode.h> 23 #include <media/v4l2-mc.h> 24 #include <media/v4l2-rect.h> 25 26 #include "tvp5150_reg.h" 27 28 #define TVP5150_H_MAX 720U 29 #define TVP5150_V_MAX_525_60 480U 30 #define TVP5150_V_MAX_OTHERS 576U 31 #define TVP5150_MAX_CROP_LEFT 511 32 #define TVP5150_MAX_CROP_TOP 127 33 #define TVP5150_CROP_SHIFT 2 34 #define TVP5150_MBUS_FMT MEDIA_BUS_FMT_UYVY8_2X8 35 #define TVP5150_FIELD V4L2_FIELD_ALTERNATE 36 #define TVP5150_COLORSPACE V4L2_COLORSPACE_SMPTE170M 37 #define TVP5150_STD_MASK (V4L2_STD_NTSC | \ 38 V4L2_STD_NTSC_443 | \ 39 V4L2_STD_PAL | \ 40 V4L2_STD_PAL_M | \ 41 V4L2_STD_PAL_N | \ 42 V4L2_STD_PAL_Nc | \ 43 V4L2_STD_SECAM) 44 45 #define TVP5150_MAX_CONNECTORS 3 /* Check dt-bindings for more information */ 46 47 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver"); 48 MODULE_AUTHOR("Mauro Carvalho Chehab"); 49 MODULE_LICENSE("GPL v2"); 50 51 52 static int debug; 53 module_param(debug, int, 0644); 54 MODULE_PARM_DESC(debug, "Debug level (0-2)"); 55 56 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg) 57 58 enum tvp5150_pads { 59 TVP5150_PAD_AIP1A, 60 TVP5150_PAD_AIP1B, 61 TVP5150_PAD_VID_OUT, 62 TVP5150_NUM_PADS 63 }; 64 65 struct tvp5150_connector { 66 struct v4l2_fwnode_connector base; 67 struct media_entity ent; 68 struct media_pad pad; 69 }; 70 71 struct tvp5150 { 72 struct v4l2_subdev sd; 73 74 struct media_pad pads[TVP5150_NUM_PADS]; 75 struct tvp5150_connector connectors[TVP5150_MAX_CONNECTORS]; 76 struct tvp5150_connector *cur_connector; 77 unsigned int connectors_num; 78 79 struct v4l2_ctrl_handler hdl; 80 struct v4l2_rect rect; 81 struct regmap *regmap; 82 int irq; 83 84 v4l2_std_id norm; /* Current set standard */ 85 v4l2_std_id detected_norm; 86 u32 input; 87 u32 output; 88 u32 oe; 89 int enable; 90 bool lock; 91 92 u16 dev_id; 93 u16 rom_ver; 94 95 enum v4l2_mbus_type mbus_type; 96 }; 97 98 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 99 { 100 return container_of(sd, struct tvp5150, sd); 101 } 102 103 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 104 { 105 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 106 } 107 108 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 109 { 110 struct tvp5150 *decoder = to_tvp5150(sd); 111 int ret, val; 112 113 ret = regmap_read(decoder->regmap, addr, &val); 114 if (ret < 0) 115 return ret; 116 117 return val; 118 } 119 120 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 121 const u8 end, int max_line) 122 { 123 u8 buf[16]; 124 int i = 0, j, len; 125 126 if (max_line > 16) { 127 dprintk0(sd->dev, "too much data to dump\n"); 128 return; 129 } 130 131 for (i = init; i < end; i += max_line) { 132 len = (end - i > max_line) ? max_line : end - i; 133 134 for (j = 0; j < len; j++) 135 buf[j] = tvp5150_read(sd, i + j); 136 137 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf); 138 } 139 } 140 141 static int tvp5150_log_status(struct v4l2_subdev *sd) 142 { 143 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n", 144 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 145 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n", 146 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 147 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n", 148 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 149 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n", 150 tvp5150_read(sd, TVP5150_MISC_CTL)); 151 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n", 152 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 153 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n", 154 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 155 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 156 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 157 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 158 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 159 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n", 160 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 161 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n", 162 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 163 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n", 164 tvp5150_read(sd, TVP5150_HUE_CTL)); 165 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n", 166 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 167 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n", 168 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 169 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n", 170 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 171 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n", 172 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 173 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 174 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n", 175 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 176 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 177 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n", 178 tvp5150_read(sd, TVP5150_GENLOCK)); 179 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n", 180 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 181 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n", 182 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 183 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n", 184 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 185 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 186 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 187 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 188 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n", 189 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 190 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n", 191 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 192 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n", 193 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 194 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n", 195 tvp5150_read(sd, TVP5150_VIDEO_STD)); 196 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 197 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 198 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 199 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n", 200 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 201 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n", 202 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 203 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 204 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 205 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n", 206 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 207 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 208 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n", 209 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 210 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 211 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n", 212 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 213 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 214 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n", 215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 216 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n", 217 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 218 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 219 tvp5150_read(sd, TVP5150_STATUS_REG_1), 220 tvp5150_read(sd, TVP5150_STATUS_REG_2), 221 tvp5150_read(sd, TVP5150_STATUS_REG_3), 222 tvp5150_read(sd, TVP5150_STATUS_REG_4), 223 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 224 225 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 226 TVP5150_TELETEXT_FIL1_END, 8); 227 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 228 TVP5150_TELETEXT_FIL2_END, 8); 229 230 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n", 231 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 232 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n", 233 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 234 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n", 235 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 236 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n", 237 tvp5150_read(sd, TVP5150_INT_CONF)); 238 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n", 239 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 240 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n", 241 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 242 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n", 243 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 244 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n", 245 tvp5150_read(sd, TVP5150_FIFO_RESET)); 246 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n", 247 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 248 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n", 249 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 250 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 251 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n", 252 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 253 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n", 254 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 255 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n", 256 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 257 258 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 259 TVP5150_CC_DATA_END, 8); 260 261 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 262 TVP5150_WSS_DATA_END, 8); 263 264 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 265 TVP5150_VPS_DATA_END, 8); 266 267 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 268 TVP5150_VITC_DATA_END, 10); 269 270 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 271 TVP5150_LINE_MODE_END, 8); 272 return 0; 273 } 274 275 /**************************************************************************** 276 Basic functions 277 ****************************************************************************/ 278 279 static void tvp5150_selmux(struct v4l2_subdev *sd) 280 { 281 int opmode = 0; 282 struct tvp5150 *decoder = to_tvp5150(sd); 283 unsigned int mask, val; 284 int input = 0; 285 286 /* Only tvp5150am1 and tvp5151 have signal generator support */ 287 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 288 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 289 if (!decoder->enable) 290 input = 8; 291 } 292 293 switch (decoder->input) { 294 case TVP5150_COMPOSITE1: 295 input |= 2; 296 fallthrough; 297 case TVP5150_COMPOSITE0: 298 break; 299 case TVP5150_SVIDEO: 300 default: 301 input |= 1; 302 break; 303 } 304 305 dev_dbg_lvl(sd->dev, 1, debug, 306 "Selecting video route: route input=%s, output=%s => tvp5150 input=0x%02x, opmode=0x%02x\n", 307 decoder->input == 0 ? "aip1a" : 308 decoder->input == 2 ? "aip1b" : "svideo", 309 decoder->output == 0 ? "normal" : "black-frame-gen", 310 input, opmode); 311 312 regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode); 313 regmap_write(decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, input); 314 315 /* 316 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For 317 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK 318 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the 319 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set 320 * INTREQ/GPCL/VBLK to logic 1. 321 */ 322 mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK; 323 if (decoder->input == TVP5150_SVIDEO) 324 val = TVP5150_MISC_CTL_HVLK; 325 else 326 val = TVP5150_MISC_CTL_GPCL; 327 regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val); 328 }; 329 330 struct i2c_reg_value { 331 unsigned char reg; 332 unsigned char value; 333 }; 334 335 /* Default values as sugested at TVP5150AM1 datasheet */ 336 static const struct i2c_reg_value tvp5150_init_default[] = { 337 { /* 0x00 */ 338 TVP5150_VD_IN_SRC_SEL_1, 0x00 339 }, 340 { /* 0x01 */ 341 TVP5150_ANAL_CHL_CTL, 0x15 342 }, 343 { /* 0x02 */ 344 TVP5150_OP_MODE_CTL, 0x00 345 }, 346 { /* 0x03 */ 347 TVP5150_MISC_CTL, 0x01 348 }, 349 { /* 0x06 */ 350 TVP5150_COLOR_KIL_THSH_CTL, 0x10 351 }, 352 { /* 0x07 */ 353 TVP5150_LUMA_PROC_CTL_1, 0x60 354 }, 355 { /* 0x08 */ 356 TVP5150_LUMA_PROC_CTL_2, 0x00 357 }, 358 { /* 0x09 */ 359 TVP5150_BRIGHT_CTL, 0x80 360 }, 361 { /* 0x0a */ 362 TVP5150_SATURATION_CTL, 0x80 363 }, 364 { /* 0x0b */ 365 TVP5150_HUE_CTL, 0x00 366 }, 367 { /* 0x0c */ 368 TVP5150_CONTRAST_CTL, 0x80 369 }, 370 { /* 0x0d */ 371 TVP5150_DATA_RATE_SEL, 0x47 372 }, 373 { /* 0x0e */ 374 TVP5150_LUMA_PROC_CTL_3, 0x00 375 }, 376 { /* 0x0f */ 377 TVP5150_CONF_SHARED_PIN, 0x08 378 }, 379 { /* 0x11 */ 380 TVP5150_ACT_VD_CROP_ST_MSB, 0x00 381 }, 382 { /* 0x12 */ 383 TVP5150_ACT_VD_CROP_ST_LSB, 0x00 384 }, 385 { /* 0x13 */ 386 TVP5150_ACT_VD_CROP_STP_MSB, 0x00 387 }, 388 { /* 0x14 */ 389 TVP5150_ACT_VD_CROP_STP_LSB, 0x00 390 }, 391 { /* 0x15 */ 392 TVP5150_GENLOCK, 0x01 393 }, 394 { /* 0x16 */ 395 TVP5150_HORIZ_SYNC_START, 0x80 396 }, 397 { /* 0x18 */ 398 TVP5150_VERT_BLANKING_START, 0x00 399 }, 400 { /* 0x19 */ 401 TVP5150_VERT_BLANKING_STOP, 0x00 402 }, 403 { /* 0x1a */ 404 TVP5150_CHROMA_PROC_CTL_1, 0x0c 405 }, 406 { /* 0x1b */ 407 TVP5150_CHROMA_PROC_CTL_2, 0x14 408 }, 409 { /* 0x1c */ 410 TVP5150_INT_RESET_REG_B, 0x00 411 }, 412 { /* 0x1d */ 413 TVP5150_INT_ENABLE_REG_B, 0x00 414 }, 415 { /* 0x1e */ 416 TVP5150_INTT_CONFIG_REG_B, 0x00 417 }, 418 { /* 0x28 */ 419 TVP5150_VIDEO_STD, 0x00 420 }, 421 { /* 0x2e */ 422 TVP5150_MACROVISION_ON_CTR, 0x0f 423 }, 424 { /* 0x2f */ 425 TVP5150_MACROVISION_OFF_CTR, 0x01 426 }, 427 { /* 0xbb */ 428 TVP5150_TELETEXT_FIL_ENA, 0x00 429 }, 430 { /* 0xc0 */ 431 TVP5150_INT_STATUS_REG_A, 0x00 432 }, 433 { /* 0xc1 */ 434 TVP5150_INT_ENABLE_REG_A, 0x00 435 }, 436 { /* 0xc2 */ 437 TVP5150_INT_CONF, 0x04 438 }, 439 { /* 0xc8 */ 440 TVP5150_FIFO_INT_THRESHOLD, 0x80 441 }, 442 { /* 0xc9 */ 443 TVP5150_FIFO_RESET, 0x00 444 }, 445 { /* 0xca */ 446 TVP5150_LINE_NUMBER_INT, 0x00 447 }, 448 { /* 0xcb */ 449 TVP5150_PIX_ALIGN_REG_LOW, 0x4e 450 }, 451 { /* 0xcc */ 452 TVP5150_PIX_ALIGN_REG_HIGH, 0x00 453 }, 454 { /* 0xcd */ 455 TVP5150_FIFO_OUT_CTRL, 0x01 456 }, 457 { /* 0xcf */ 458 TVP5150_FULL_FIELD_ENA, 0x00 459 }, 460 { /* 0xd0 */ 461 TVP5150_LINE_MODE_INI, 0x00 462 }, 463 { /* 0xfc */ 464 TVP5150_FULL_FIELD_MODE_REG, 0x7f 465 }, 466 { /* end of data */ 467 0xff, 0xff 468 } 469 }; 470 471 /* Default values as sugested at TVP5150AM1 datasheet */ 472 static const struct i2c_reg_value tvp5150_init_enable[] = { 473 { /* Automatic offset and AGC enabled */ 474 TVP5150_ANAL_CHL_CTL, 0x15 475 }, { /* Activate YCrCb output 0x9 or 0xd ? */ 476 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL | 477 TVP5150_MISC_CTL_INTREQ_OE | 478 TVP5150_MISC_CTL_YCBCR_OE | 479 TVP5150_MISC_CTL_SYNC_OE | 480 TVP5150_MISC_CTL_VBLANK | 481 TVP5150_MISC_CTL_CLOCK_OE, 482 }, { /* Activates video std autodetection for all standards */ 483 TVP5150_AUTOSW_MSK, 0x0 484 }, { /* Default format: 0x47. For 4:2:2: 0x40 */ 485 TVP5150_DATA_RATE_SEL, 0x47 486 }, { 487 TVP5150_CHROMA_PROC_CTL_1, 0x0c 488 }, { 489 TVP5150_CHROMA_PROC_CTL_2, 0x54 490 }, { /* Non documented, but initialized on WinTV USB2 */ 491 0x27, 0x20 492 }, { 493 0xff, 0xff 494 } 495 }; 496 497 struct tvp5150_vbi_type { 498 unsigned int vbi_type; 499 unsigned int ini_line; 500 unsigned int end_line; 501 unsigned int by_field :1; 502 }; 503 504 struct i2c_vbi_ram_value { 505 u16 reg; 506 struct tvp5150_vbi_type type; 507 unsigned char values[16]; 508 }; 509 510 /* This struct have the values for each supported VBI Standard 511 * by 512 tvp5150_vbi_types should follow the same order as vbi_ram_default 513 * value 0 means rom position 0x10, value 1 means rom position 0x30 514 * and so on. There are 16 possible locations from 0 to 15. 515 */ 516 517 static struct i2c_vbi_ram_value vbi_ram_default[] = { 518 519 /* 520 * FIXME: Current api doesn't handle all VBI types, those not 521 * yet supported are placed under #if 0 522 */ 523 #if 0 524 [0] = {0x010, /* Teletext, SECAM, WST System A */ 525 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1}, 526 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 527 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 528 }, 529 #endif 530 [1] = {0x030, /* Teletext, PAL, WST System B */ 531 {V4L2_SLICED_TELETEXT_B, 6, 22, 1}, 532 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 533 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 534 }, 535 #if 0 536 [2] = {0x050, /* Teletext, PAL, WST System C */ 537 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1}, 538 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 539 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 540 }, 541 [3] = {0x070, /* Teletext, NTSC, WST System B */ 542 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1}, 543 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 544 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 545 }, 546 [4] = {0x090, /* Tetetext, NTSC NABTS System C */ 547 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1}, 548 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 549 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 550 }, 551 [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 552 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1}, 553 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 554 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 555 }, 556 [6] = {0x0d0, /* Closed Caption, PAL/SECAM */ 557 {V4L2_SLICED_CAPTION_625, 22, 22, 1}, 558 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 559 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 560 }, 561 #endif 562 [7] = {0x0f0, /* Closed Caption, NTSC */ 563 {V4L2_SLICED_CAPTION_525, 21, 21, 1}, 564 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 565 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 566 }, 567 [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */ 568 {V4L2_SLICED_WSS_625, 23, 23, 1}, 569 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 570 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 571 }, 572 #if 0 573 [9] = {0x130, /* Wide Screen Signal, NTSC C */ 574 {V4L2_SLICED_WSS_525, 20, 20, 1}, 575 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 576 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 577 }, 578 [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 579 {V4l2_SLICED_VITC_625, 6, 22, 0}, 580 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 581 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 582 }, 583 [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 584 {V4l2_SLICED_VITC_525, 10, 20, 0}, 585 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 586 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 587 }, 588 #endif 589 [12] = {0x190, /* Video Program System (VPS), PAL */ 590 {V4L2_SLICED_VPS, 16, 16, 0}, 591 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 592 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 593 }, 594 /* 0x1d0 User programmable */ 595 }; 596 597 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 598 const struct i2c_reg_value *regs) 599 { 600 struct tvp5150 *decoder = to_tvp5150(sd); 601 602 while (regs->reg != 0xff) { 603 regmap_write(decoder->regmap, regs->reg, regs->value); 604 regs++; 605 } 606 return 0; 607 } 608 609 static int tvp5150_vdp_init(struct v4l2_subdev *sd) 610 { 611 struct tvp5150 *decoder = to_tvp5150(sd); 612 struct regmap *map = decoder->regmap; 613 unsigned int i; 614 int j; 615 616 /* Disable Full Field */ 617 regmap_write(map, TVP5150_FULL_FIELD_ENA, 0); 618 619 /* Before programming, Line mode should be at 0xff */ 620 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 621 regmap_write(map, i, 0xff); 622 623 /* Load Ram Table */ 624 for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) { 625 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j]; 626 627 if (!regs->type.vbi_type) 628 continue; 629 630 regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 631 regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 632 633 for (i = 0; i < 16; i++) 634 regmap_write(map, TVP5150_VDP_CONF_RAM_DATA, 635 regs->values[i]); 636 } 637 return 0; 638 } 639 640 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 641 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 642 struct v4l2_sliced_vbi_cap *cap) 643 { 644 int line, i; 645 646 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); 647 memset(cap, 0, sizeof(*cap)); 648 649 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { 650 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; 651 652 if (!regs->type.vbi_type) 653 continue; 654 655 for (line = regs->type.ini_line; 656 line <= regs->type.end_line; 657 line++) { 658 cap->service_lines[0][line] |= regs->type.vbi_type; 659 } 660 cap->service_set |= regs->type.vbi_type; 661 } 662 return 0; 663 } 664 665 /* Set vbi processing 666 * type - one of tvp5150_vbi_types 667 * line - line to gather data 668 * fields: bit 0 field1, bit 1, field2 669 * flags (default=0xf0) is a bitmask, were set means: 670 * bit 7: enable filtering null bytes on CC 671 * bit 6: send data also to FIFO 672 * bit 5: don't allow data with errors on FIFO 673 * bit 4: enable ECC when possible 674 * pix_align = pix alignment: 675 * LSB = field1 676 * MSB = field2 677 */ 678 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 679 unsigned int type, u8 flags, int line, 680 const int fields) 681 { 682 struct tvp5150 *decoder = to_tvp5150(sd); 683 v4l2_std_id std = decoder->norm; 684 u8 reg; 685 int i, pos = 0; 686 687 if (std == V4L2_STD_ALL) { 688 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 689 return 0; 690 } else if (std & V4L2_STD_625_50) { 691 /* Don't follow NTSC Line number convension */ 692 line += 3; 693 } 694 695 if (line < 6 || line > 27) 696 return 0; 697 698 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { 699 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; 700 701 if (!regs->type.vbi_type) 702 continue; 703 704 if ((type & regs->type.vbi_type) && 705 (line >= regs->type.ini_line) && 706 (line <= regs->type.end_line)) 707 break; 708 pos++; 709 } 710 711 type = pos | (flags & 0xf0); 712 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 713 714 if (fields & 1) 715 regmap_write(decoder->regmap, reg, type); 716 717 if (fields & 2) 718 regmap_write(decoder->regmap, reg + 1, type); 719 720 return type; 721 } 722 723 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line) 724 { 725 struct tvp5150 *decoder = to_tvp5150(sd); 726 v4l2_std_id std = decoder->norm; 727 u8 reg; 728 int pos, type = 0; 729 int i, ret = 0; 730 731 if (std == V4L2_STD_ALL) { 732 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 733 return 0; 734 } else if (std & V4L2_STD_625_50) { 735 /* Don't follow NTSC Line number convension */ 736 line += 3; 737 } 738 739 if (line < 6 || line > 27) 740 return 0; 741 742 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 743 744 for (i = 0; i <= 1; i++) { 745 ret = tvp5150_read(sd, reg + i); 746 if (ret < 0) { 747 dev_err(sd->dev, "%s: failed with error = %d\n", 748 __func__, ret); 749 return 0; 750 } 751 pos = ret & 0x0f; 752 if (pos < ARRAY_SIZE(vbi_ram_default)) 753 type |= vbi_ram_default[pos].type.vbi_type; 754 } 755 756 return type; 757 } 758 759 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 760 { 761 struct tvp5150 *decoder = to_tvp5150(sd); 762 int fmt = 0; 763 764 /* First tests should be against specific std */ 765 766 if (std == V4L2_STD_NTSC_443) { 767 fmt = VIDEO_STD_NTSC_4_43_BIT; 768 } else if (std == V4L2_STD_PAL_M) { 769 fmt = VIDEO_STD_PAL_M_BIT; 770 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 771 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 772 } else { 773 /* Then, test against generic ones */ 774 if (std & V4L2_STD_NTSC) 775 fmt = VIDEO_STD_NTSC_MJ_BIT; 776 else if (std & V4L2_STD_PAL) 777 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 778 else if (std & V4L2_STD_SECAM) 779 fmt = VIDEO_STD_SECAM_BIT; 780 } 781 782 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt); 783 regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt); 784 return 0; 785 } 786 787 static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std) 788 { 789 struct tvp5150 *decoder = to_tvp5150(sd); 790 791 *std = decoder->norm; 792 793 return 0; 794 } 795 796 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 797 { 798 struct tvp5150 *decoder = to_tvp5150(sd); 799 struct tvp5150_connector *cur_con = decoder->cur_connector; 800 v4l2_std_id supported_stds; 801 802 if (decoder->norm == std) 803 return 0; 804 805 /* In case of no of-connectors are available no limitations are made */ 806 if (!decoder->connectors_num) 807 supported_stds = V4L2_STD_ALL; 808 else 809 supported_stds = cur_con->base.connector.analog.sdtv_stds; 810 811 /* 812 * Check if requested std or group of std's is/are supported by the 813 * connector. 814 */ 815 if ((supported_stds & std) == 0) 816 return -EINVAL; 817 818 /* Change cropping height limits */ 819 if (std & V4L2_STD_525_60) 820 decoder->rect.height = TVP5150_V_MAX_525_60; 821 else 822 decoder->rect.height = TVP5150_V_MAX_OTHERS; 823 824 /* Set only the specific supported std in case of group of std's. */ 825 decoder->norm = supported_stds & std; 826 827 return tvp5150_set_std(sd, std); 828 } 829 830 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 831 { 832 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 833 834 switch (val & 0x0F) { 835 case 0x01: 836 return V4L2_STD_NTSC; 837 case 0x03: 838 return V4L2_STD_PAL; 839 case 0x05: 840 return V4L2_STD_PAL_M; 841 case 0x07: 842 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 843 case 0x09: 844 return V4L2_STD_NTSC_443; 845 case 0xb: 846 return V4L2_STD_SECAM; 847 default: 848 return V4L2_STD_UNKNOWN; 849 } 850 } 851 852 static int query_lock(struct v4l2_subdev *sd) 853 { 854 struct tvp5150 *decoder = to_tvp5150(sd); 855 int status; 856 857 if (decoder->irq) 858 return decoder->lock; 859 860 regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status); 861 862 /* For standard detection, we need the 3 locks */ 863 return (status & 0x0e) == 0x0e; 864 } 865 866 static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id) 867 { 868 *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN; 869 870 return 0; 871 } 872 873 static const struct v4l2_event tvp5150_ev_fmt = { 874 .type = V4L2_EVENT_SOURCE_CHANGE, 875 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, 876 }; 877 878 static irqreturn_t tvp5150_isr(int irq, void *dev_id) 879 { 880 struct tvp5150 *decoder = dev_id; 881 struct regmap *map = decoder->regmap; 882 unsigned int mask, active = 0, status = 0; 883 884 mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | 885 TVP5150_MISC_CTL_CLOCK_OE; 886 887 regmap_read(map, TVP5150_INT_STATUS_REG_A, &status); 888 if (status) { 889 regmap_write(map, TVP5150_INT_STATUS_REG_A, status); 890 891 if (status & TVP5150_INT_A_LOCK) { 892 decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS); 893 dev_dbg_lvl(decoder->sd.dev, 1, debug, 894 "sync lo%s signal\n", 895 decoder->lock ? "ck" : "ss"); 896 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt); 897 regmap_update_bits(map, TVP5150_MISC_CTL, mask, 898 decoder->lock ? decoder->oe : 0); 899 } 900 901 return IRQ_HANDLED; 902 } 903 904 regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active); 905 if (active) { 906 status = 0; 907 regmap_read(map, TVP5150_INT_STATUS_REG_B, &status); 908 if (status) 909 regmap_write(map, TVP5150_INT_RESET_REG_B, status); 910 } 911 912 return IRQ_HANDLED; 913 } 914 915 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 916 { 917 struct tvp5150 *decoder = to_tvp5150(sd); 918 struct regmap *map = decoder->regmap; 919 920 /* Initializes TVP5150 to its default values */ 921 tvp5150_write_inittab(sd, tvp5150_init_default); 922 923 if (decoder->irq) { 924 /* Configure pins: FID, VSYNC, INTREQ, SCLK */ 925 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0); 926 /* Set interrupt polarity to active high */ 927 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1); 928 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1); 929 } else { 930 /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */ 931 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2); 932 /* Keep interrupt polarity active low */ 933 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE); 934 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0); 935 } 936 937 /* Initializes VDP registers */ 938 tvp5150_vdp_init(sd); 939 940 /* Selects decoder input */ 941 tvp5150_selmux(sd); 942 943 /* Initialize image preferences */ 944 v4l2_ctrl_handler_setup(&decoder->hdl); 945 946 return 0; 947 } 948 949 static int tvp5150_enable(struct v4l2_subdev *sd) 950 { 951 struct tvp5150 *decoder = to_tvp5150(sd); 952 v4l2_std_id std; 953 954 /* Initializes TVP5150 to stream enabled values */ 955 tvp5150_write_inittab(sd, tvp5150_init_enable); 956 957 if (decoder->norm == V4L2_STD_ALL) 958 std = tvp5150_read_std(sd); 959 else 960 std = decoder->norm; 961 962 /* Disable autoswitch mode */ 963 tvp5150_set_std(sd, std); 964 965 /* 966 * Enable the YCbCr and clock outputs. In discrete sync mode 967 * (non-BT.656) additionally enable the sync outputs. 968 */ 969 switch (decoder->mbus_type) { 970 case V4L2_MBUS_PARALLEL: 971 /* 8-bit 4:2:2 YUV with discrete sync output */ 972 regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL, 973 0x7, 0x0); 974 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE | 975 TVP5150_MISC_CTL_CLOCK_OE | 976 TVP5150_MISC_CTL_SYNC_OE; 977 break; 978 case V4L2_MBUS_BT656: 979 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE | 980 TVP5150_MISC_CTL_CLOCK_OE; 981 break; 982 default: 983 return -EINVAL; 984 } 985 986 return 0; 987 }; 988 989 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 990 { 991 struct v4l2_subdev *sd = to_sd(ctrl); 992 struct tvp5150 *decoder = to_tvp5150(sd); 993 994 switch (ctrl->id) { 995 case V4L2_CID_BRIGHTNESS: 996 regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val); 997 return 0; 998 case V4L2_CID_CONTRAST: 999 regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val); 1000 return 0; 1001 case V4L2_CID_SATURATION: 1002 regmap_write(decoder->regmap, TVP5150_SATURATION_CTL, 1003 ctrl->val); 1004 return 0; 1005 case V4L2_CID_HUE: 1006 regmap_write(decoder->regmap, TVP5150_HUE_CTL, ctrl->val); 1007 return 0; 1008 case V4L2_CID_TEST_PATTERN: 1009 decoder->enable = ctrl->val ? false : true; 1010 tvp5150_selmux(sd); 1011 return 0; 1012 } 1013 return -EINVAL; 1014 } 1015 1016 static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop) 1017 { 1018 /* Default is no cropping */ 1019 crop->top = 0; 1020 crop->left = 0; 1021 crop->width = TVP5150_H_MAX; 1022 if (std & V4L2_STD_525_60) 1023 crop->height = TVP5150_V_MAX_525_60; 1024 else 1025 crop->height = TVP5150_V_MAX_OTHERS; 1026 } 1027 1028 static struct v4l2_rect * 1029 tvp5150_get_pad_crop(struct tvp5150 *decoder, 1030 struct v4l2_subdev_state *sd_state, unsigned int pad, 1031 enum v4l2_subdev_format_whence which) 1032 { 1033 switch (which) { 1034 case V4L2_SUBDEV_FORMAT_ACTIVE: 1035 return &decoder->rect; 1036 case V4L2_SUBDEV_FORMAT_TRY: 1037 #if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) 1038 return v4l2_subdev_state_get_crop(sd_state, pad); 1039 #else 1040 return ERR_PTR(-EINVAL); 1041 #endif 1042 default: 1043 return ERR_PTR(-EINVAL); 1044 } 1045 } 1046 1047 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 1048 struct v4l2_subdev_state *sd_state, 1049 struct v4l2_subdev_format *format) 1050 { 1051 struct v4l2_mbus_framefmt *f; 1052 struct tvp5150 *decoder = to_tvp5150(sd); 1053 1054 if (!format || (format->pad != TVP5150_PAD_VID_OUT)) 1055 return -EINVAL; 1056 1057 f = &format->format; 1058 1059 f->width = decoder->rect.width; 1060 f->height = decoder->rect.height / 2; 1061 1062 f->code = TVP5150_MBUS_FMT; 1063 f->field = TVP5150_FIELD; 1064 f->colorspace = TVP5150_COLORSPACE; 1065 1066 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width, 1067 f->height); 1068 return 0; 1069 } 1070 1071 static unsigned int tvp5150_get_hmax(struct v4l2_subdev *sd) 1072 { 1073 struct tvp5150 *decoder = to_tvp5150(sd); 1074 v4l2_std_id std; 1075 1076 /* Calculate height based on current standard */ 1077 if (decoder->norm == V4L2_STD_ALL) 1078 std = tvp5150_read_std(sd); 1079 else 1080 std = decoder->norm; 1081 1082 return (std & V4L2_STD_525_60) ? 1083 TVP5150_V_MAX_525_60 : TVP5150_V_MAX_OTHERS; 1084 } 1085 1086 static void tvp5150_set_hw_selection(struct v4l2_subdev *sd, 1087 struct v4l2_rect *rect) 1088 { 1089 struct tvp5150 *decoder = to_tvp5150(sd); 1090 unsigned int hmax = tvp5150_get_hmax(sd); 1091 1092 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect->top); 1093 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 1094 rect->top + rect->height - hmax); 1095 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB, 1096 rect->left >> TVP5150_CROP_SHIFT); 1097 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB, 1098 rect->left | (1 << TVP5150_CROP_SHIFT)); 1099 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB, 1100 (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >> 1101 TVP5150_CROP_SHIFT); 1102 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB, 1103 rect->left + rect->width - TVP5150_MAX_CROP_LEFT); 1104 } 1105 1106 static int tvp5150_set_selection(struct v4l2_subdev *sd, 1107 struct v4l2_subdev_state *sd_state, 1108 struct v4l2_subdev_selection *sel) 1109 { 1110 struct tvp5150 *decoder = to_tvp5150(sd); 1111 struct v4l2_rect *rect = &sel->r; 1112 struct v4l2_rect *crop; 1113 unsigned int hmax; 1114 1115 if (sel->target != V4L2_SEL_TGT_CROP) 1116 return -EINVAL; 1117 1118 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n", 1119 __func__, rect->left, rect->top, rect->width, rect->height); 1120 1121 /* tvp5150 has some special limits */ 1122 rect->left = clamp(rect->left, 0, TVP5150_MAX_CROP_LEFT); 1123 rect->top = clamp(rect->top, 0, TVP5150_MAX_CROP_TOP); 1124 hmax = tvp5150_get_hmax(sd); 1125 1126 /* 1127 * alignments: 1128 * - width = 2 due to UYVY colorspace 1129 * - height, image = no special alignment 1130 */ 1131 v4l_bound_align_image(&rect->width, 1132 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect->left, 1133 TVP5150_H_MAX - rect->left, 1, &rect->height, 1134 hmax - TVP5150_MAX_CROP_TOP - rect->top, 1135 hmax - rect->top, 0, 0); 1136 1137 if (!IS_ENABLED(CONFIG_VIDEO_V4L2_SUBDEV_API) && 1138 sel->which == V4L2_SUBDEV_FORMAT_TRY) 1139 return 0; 1140 1141 crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad, sel->which); 1142 if (IS_ERR(crop)) 1143 return PTR_ERR(crop); 1144 1145 /* 1146 * Update output image size if the selection (crop) rectangle size or 1147 * position has been modified. 1148 */ 1149 if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE && 1150 !v4l2_rect_equal(rect, crop)) 1151 tvp5150_set_hw_selection(sd, rect); 1152 1153 *crop = *rect; 1154 1155 return 0; 1156 } 1157 1158 static int tvp5150_get_selection(struct v4l2_subdev *sd, 1159 struct v4l2_subdev_state *sd_state, 1160 struct v4l2_subdev_selection *sel) 1161 { 1162 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 1163 struct v4l2_rect *crop; 1164 v4l2_std_id std; 1165 1166 switch (sel->target) { 1167 case V4L2_SEL_TGT_CROP_BOUNDS: 1168 sel->r.left = 0; 1169 sel->r.top = 0; 1170 sel->r.width = TVP5150_H_MAX; 1171 1172 /* Calculate height based on current standard */ 1173 if (decoder->norm == V4L2_STD_ALL) 1174 std = tvp5150_read_std(sd); 1175 else 1176 std = decoder->norm; 1177 if (std & V4L2_STD_525_60) 1178 sel->r.height = TVP5150_V_MAX_525_60; 1179 else 1180 sel->r.height = TVP5150_V_MAX_OTHERS; 1181 return 0; 1182 case V4L2_SEL_TGT_CROP: 1183 crop = tvp5150_get_pad_crop(decoder, sd_state, sel->pad, 1184 sel->which); 1185 if (IS_ERR(crop)) 1186 return PTR_ERR(crop); 1187 sel->r = *crop; 1188 return 0; 1189 default: 1190 return -EINVAL; 1191 } 1192 } 1193 1194 static int tvp5150_get_mbus_config(struct v4l2_subdev *sd, 1195 unsigned int pad, 1196 struct v4l2_mbus_config *cfg) 1197 { 1198 struct tvp5150 *decoder = to_tvp5150(sd); 1199 1200 cfg->type = decoder->mbus_type; 1201 cfg->bus.parallel.flags = V4L2_MBUS_MASTER 1202 | V4L2_MBUS_PCLK_SAMPLE_RISING 1203 | V4L2_MBUS_FIELD_EVEN_LOW 1204 | V4L2_MBUS_DATA_ACTIVE_HIGH; 1205 1206 return 0; 1207 } 1208 1209 /**************************************************************************** 1210 V4L2 subdev pad ops 1211 ****************************************************************************/ 1212 static int tvp5150_init_state(struct v4l2_subdev *sd, 1213 struct v4l2_subdev_state *sd_state) 1214 { 1215 struct tvp5150 *decoder = to_tvp5150(sd); 1216 v4l2_std_id std; 1217 1218 /* 1219 * Reset selection to maximum on subdev_open() if autodetection is on 1220 * and a standard change is detected. 1221 */ 1222 if (decoder->norm == V4L2_STD_ALL) { 1223 std = tvp5150_read_std(sd); 1224 if (std != decoder->detected_norm) { 1225 decoder->detected_norm = std; 1226 tvp5150_set_default(std, &decoder->rect); 1227 } 1228 } 1229 1230 return 0; 1231 } 1232 1233 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 1234 struct v4l2_subdev_state *sd_state, 1235 struct v4l2_subdev_mbus_code_enum *code) 1236 { 1237 if (code->pad || code->index) 1238 return -EINVAL; 1239 1240 code->code = TVP5150_MBUS_FMT; 1241 return 0; 1242 } 1243 1244 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 1245 struct v4l2_subdev_state *sd_state, 1246 struct v4l2_subdev_frame_size_enum *fse) 1247 { 1248 struct tvp5150 *decoder = to_tvp5150(sd); 1249 1250 if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT) 1251 return -EINVAL; 1252 1253 fse->code = TVP5150_MBUS_FMT; 1254 fse->min_width = decoder->rect.width; 1255 fse->max_width = decoder->rect.width; 1256 fse->min_height = decoder->rect.height / 2; 1257 fse->max_height = decoder->rect.height / 2; 1258 1259 return 0; 1260 } 1261 1262 /**************************************************************************** 1263 * Media entity ops 1264 ****************************************************************************/ 1265 #if defined(CONFIG_MEDIA_CONTROLLER) 1266 static int tvp5150_set_link(struct media_pad *connector_pad, 1267 struct media_pad *tvp5150_pad, u32 flags) 1268 { 1269 struct media_link *link; 1270 1271 link = media_entity_find_link(connector_pad, tvp5150_pad); 1272 if (!link) 1273 return -EINVAL; 1274 1275 link->flags = flags; 1276 link->reverse->flags = link->flags; 1277 1278 return 0; 1279 } 1280 1281 static int tvp5150_disable_all_input_links(struct tvp5150 *decoder) 1282 { 1283 struct media_pad *connector_pad; 1284 unsigned int i; 1285 int err; 1286 1287 for (i = 0; i < TVP5150_NUM_PADS - 1; i++) { 1288 connector_pad = media_pad_remote_pad_first(&decoder->pads[i]); 1289 if (!connector_pad) 1290 continue; 1291 1292 err = tvp5150_set_link(connector_pad, &decoder->pads[i], 0); 1293 if (err) 1294 return err; 1295 } 1296 1297 return 0; 1298 } 1299 1300 static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, 1301 u32 config); 1302 1303 static int tvp5150_link_setup(struct media_entity *entity, 1304 const struct media_pad *tvp5150_pad, 1305 const struct media_pad *remote, u32 flags) 1306 { 1307 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1308 struct tvp5150 *decoder = to_tvp5150(sd); 1309 struct media_pad *other_tvp5150_pad = 1310 &decoder->pads[tvp5150_pad->index ^ 1]; 1311 struct v4l2_fwnode_connector *v4l2c; 1312 bool is_svideo = false; 1313 unsigned int i; 1314 int err; 1315 1316 /* 1317 * The TVP5150 state is determined by the enabled sink pad link(s). 1318 * Enabling or disabling the source pad link has no effect. 1319 */ 1320 if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE) 1321 return 0; 1322 1323 /* Check if the svideo connector should be enabled */ 1324 for (i = 0; i < decoder->connectors_num; i++) { 1325 if (remote->entity == &decoder->connectors[i].ent) { 1326 v4l2c = &decoder->connectors[i].base; 1327 is_svideo = v4l2c->type == V4L2_CONN_SVIDEO; 1328 break; 1329 } 1330 } 1331 1332 dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]", 1333 remote->entity->name, remote->index, 1334 tvp5150_pad->entity->name, tvp5150_pad->index, 1335 flags & MEDIA_LNK_FL_ENABLED); 1336 if (is_svideo) 1337 dev_dbg_lvl(sd->dev, 1, debug, 1338 "link setup '%s':%d->'%s':%d[%d]", 1339 remote->entity->name, remote->index, 1340 other_tvp5150_pad->entity->name, 1341 other_tvp5150_pad->index, 1342 flags & MEDIA_LNK_FL_ENABLED); 1343 1344 /* 1345 * The TVP5150 has an internal mux which allows the following setup: 1346 * 1347 * comp-connector1 --\ 1348 * |---> AIP1A 1349 * / 1350 * svideo-connector -| 1351 * \ 1352 * |---> AIP1B 1353 * comp-connector2 --/ 1354 * 1355 * We can't rely on user space that the current connector gets disabled 1356 * first before enabling the new connector. Disable all active 1357 * connector links to be on the safe side. 1358 */ 1359 err = tvp5150_disable_all_input_links(decoder); 1360 if (err) 1361 return err; 1362 1363 tvp5150_s_routing(sd, is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index, 1364 flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL : 1365 TVP5150_BLACK_SCREEN, 0); 1366 1367 if (flags & MEDIA_LNK_FL_ENABLED) { 1368 struct v4l2_fwnode_connector_analog *v4l2ca; 1369 u32 new_norm; 1370 1371 /* 1372 * S-Video connector is conneted to both ports AIP1A and AIP1B. 1373 * Both links must be enabled in one-shot regardless which link 1374 * the user requests. 1375 */ 1376 if (is_svideo) { 1377 err = tvp5150_set_link((struct media_pad *)remote, 1378 other_tvp5150_pad, flags); 1379 if (err) 1380 return err; 1381 } 1382 1383 if (!decoder->connectors_num) 1384 return 0; 1385 1386 /* Update the current connector */ 1387 decoder->cur_connector = 1388 container_of(remote, struct tvp5150_connector, pad); 1389 1390 /* 1391 * Do nothing if the new connector supports the same tv-norms as 1392 * the old one. 1393 */ 1394 v4l2ca = &decoder->cur_connector->base.connector.analog; 1395 new_norm = decoder->norm & v4l2ca->sdtv_stds; 1396 if (decoder->norm == new_norm) 1397 return 0; 1398 1399 /* 1400 * Fallback to the new connector tv-norms if we can't find any 1401 * common between the current tv-norm and the new one. 1402 */ 1403 tvp5150_s_std(sd, new_norm ? new_norm : v4l2ca->sdtv_stds); 1404 } 1405 1406 return 0; 1407 } 1408 1409 static const struct media_entity_operations tvp5150_sd_media_ops = { 1410 .link_setup = tvp5150_link_setup, 1411 }; 1412 #endif 1413 /**************************************************************************** 1414 I2C Command 1415 ****************************************************************************/ 1416 static int __maybe_unused tvp5150_runtime_suspend(struct device *dev) 1417 { 1418 struct v4l2_subdev *sd = dev_get_drvdata(dev); 1419 struct tvp5150 *decoder = to_tvp5150(sd); 1420 1421 if (decoder->irq) 1422 /* Disable lock interrupt */ 1423 return regmap_update_bits(decoder->regmap, 1424 TVP5150_INT_ENABLE_REG_A, 1425 TVP5150_INT_A_LOCK, 0); 1426 return 0; 1427 } 1428 1429 static int __maybe_unused tvp5150_runtime_resume(struct device *dev) 1430 { 1431 struct v4l2_subdev *sd = dev_get_drvdata(dev); 1432 struct tvp5150 *decoder = to_tvp5150(sd); 1433 1434 if (decoder->irq) 1435 /* Enable lock interrupt */ 1436 return regmap_update_bits(decoder->regmap, 1437 TVP5150_INT_ENABLE_REG_A, 1438 TVP5150_INT_A_LOCK, 1439 TVP5150_INT_A_LOCK); 1440 return 0; 1441 } 1442 1443 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1444 { 1445 struct tvp5150 *decoder = to_tvp5150(sd); 1446 unsigned int mask, val = 0; 1447 int ret; 1448 1449 mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | 1450 TVP5150_MISC_CTL_CLOCK_OE; 1451 1452 if (enable) { 1453 ret = pm_runtime_resume_and_get(sd->dev); 1454 if (ret < 0) 1455 return ret; 1456 1457 tvp5150_enable(sd); 1458 1459 /* Enable outputs if decoder is locked */ 1460 if (decoder->irq) 1461 val = decoder->lock ? decoder->oe : 0; 1462 else 1463 val = decoder->oe; 1464 1465 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt); 1466 } else { 1467 pm_runtime_put(sd->dev); 1468 } 1469 1470 regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val); 1471 1472 return 0; 1473 } 1474 1475 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1476 u32 input, u32 output, u32 config) 1477 { 1478 struct tvp5150 *decoder = to_tvp5150(sd); 1479 1480 decoder->input = input; 1481 decoder->output = output; 1482 1483 if (output == TVP5150_BLACK_SCREEN) 1484 decoder->enable = false; 1485 else 1486 decoder->enable = true; 1487 1488 tvp5150_selmux(sd); 1489 return 0; 1490 } 1491 1492 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1493 { 1494 struct tvp5150 *decoder = to_tvp5150(sd); 1495 1496 /* 1497 * this is for capturing 36 raw vbi lines 1498 * if there's a way to cut off the beginning 2 vbi lines 1499 * with the tvp5150 then the vbi line count could be lowered 1500 * to 17 lines/field again, although I couldn't find a register 1501 * which could do that cropping 1502 */ 1503 1504 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1505 regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70); 1506 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1507 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, 1508 0x00); 1509 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01); 1510 } 1511 return 0; 1512 } 1513 1514 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1515 { 1516 struct tvp5150 *decoder = to_tvp5150(sd); 1517 int i; 1518 1519 if (svbi->service_set != 0) { 1520 for (i = 0; i <= 23; i++) { 1521 svbi->service_lines[1][i] = 0; 1522 svbi->service_lines[0][i] = 1523 tvp5150_set_vbi(sd, svbi->service_lines[0][i], 1524 0xf0, i, 3); 1525 } 1526 /* Enables FIFO */ 1527 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1); 1528 } else { 1529 /* Disables FIFO*/ 1530 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0); 1531 1532 /* Disable Full Field */ 1533 regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0); 1534 1535 /* Disable Line modes */ 1536 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1537 regmap_write(decoder->regmap, i, 0xff); 1538 } 1539 return 0; 1540 } 1541 1542 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1543 { 1544 int i, mask = 0; 1545 1546 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1547 1548 for (i = 0; i <= 23; i++) { 1549 svbi->service_lines[0][i] = 1550 tvp5150_get_vbi(sd, i); 1551 mask |= svbi->service_lines[0][i]; 1552 } 1553 svbi->service_set = mask; 1554 return 0; 1555 } 1556 1557 #ifdef CONFIG_VIDEO_ADV_DEBUG 1558 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1559 { 1560 int res; 1561 1562 res = tvp5150_read(sd, reg->reg & 0xff); 1563 if (res < 0) { 1564 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res); 1565 return res; 1566 } 1567 1568 reg->val = res; 1569 reg->size = 1; 1570 return 0; 1571 } 1572 1573 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1574 { 1575 struct tvp5150 *decoder = to_tvp5150(sd); 1576 1577 return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff); 1578 } 1579 #endif 1580 1581 static int tvp5150_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh, 1582 struct v4l2_event_subscription *sub) 1583 { 1584 switch (sub->type) { 1585 case V4L2_EVENT_SOURCE_CHANGE: 1586 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub); 1587 case V4L2_EVENT_CTRL: 1588 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub); 1589 default: 1590 return -EINVAL; 1591 } 1592 } 1593 1594 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1595 { 1596 int status = tvp5150_read(sd, 0x88); 1597 1598 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1599 return 0; 1600 } 1601 1602 static int tvp5150_registered(struct v4l2_subdev *sd) 1603 { 1604 #if defined(CONFIG_MEDIA_CONTROLLER) 1605 struct tvp5150 *decoder = to_tvp5150(sd); 1606 unsigned int i; 1607 int ret; 1608 1609 /* 1610 * Setup connector pads and links. Enable the link to the first 1611 * available connector per default. 1612 */ 1613 for (i = 0; i < decoder->connectors_num; i++) { 1614 struct media_entity *con = &decoder->connectors[i].ent; 1615 struct media_pad *pad = &decoder->connectors[i].pad; 1616 struct v4l2_fwnode_connector *v4l2c = 1617 &decoder->connectors[i].base; 1618 struct v4l2_connector_link *link = 1619 v4l2_connector_first_link(v4l2c); 1620 unsigned int port = link->fwnode_link.remote_port; 1621 unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED; 1622 bool is_svideo = v4l2c->type == V4L2_CONN_SVIDEO; 1623 1624 pad->flags = MEDIA_PAD_FL_SOURCE; 1625 ret = media_entity_pads_init(con, 1, pad); 1626 if (ret < 0) 1627 goto err; 1628 1629 ret = media_device_register_entity(sd->v4l2_dev->mdev, con); 1630 if (ret < 0) 1631 goto err; 1632 1633 ret = media_create_pad_link(con, 0, &sd->entity, port, flags); 1634 if (ret < 0) 1635 goto err; 1636 1637 if (is_svideo) { 1638 /* 1639 * Check tvp5150_link_setup() comments for more 1640 * information. 1641 */ 1642 link = v4l2_connector_last_link(v4l2c); 1643 port = link->fwnode_link.remote_port; 1644 ret = media_create_pad_link(con, 0, &sd->entity, port, 1645 flags); 1646 if (ret < 0) 1647 goto err; 1648 } 1649 1650 /* Enable default input. */ 1651 if (flags == MEDIA_LNK_FL_ENABLED) { 1652 decoder->input = 1653 is_svideo ? TVP5150_SVIDEO : 1654 port == 0 ? TVP5150_COMPOSITE0 : 1655 TVP5150_COMPOSITE1; 1656 1657 tvp5150_selmux(sd); 1658 decoder->cur_connector = &decoder->connectors[i]; 1659 tvp5150_s_std(sd, v4l2c->connector.analog.sdtv_stds); 1660 } 1661 } 1662 1663 return 0; 1664 1665 err: 1666 for (i = 0; i < decoder->connectors_num; i++) { 1667 media_device_unregister_entity(&decoder->connectors[i].ent); 1668 media_entity_cleanup(&decoder->connectors[i].ent); 1669 } 1670 return ret; 1671 #endif 1672 1673 return 0; 1674 } 1675 1676 static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) 1677 { 1678 return pm_runtime_resume_and_get(sd->dev); 1679 } 1680 1681 static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) 1682 { 1683 pm_runtime_put(sd->dev); 1684 1685 return 0; 1686 } 1687 1688 /* ----------------------------------------------------------------------- */ 1689 1690 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1691 .s_ctrl = tvp5150_s_ctrl, 1692 }; 1693 1694 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1695 .log_status = tvp5150_log_status, 1696 .reset = tvp5150_reset, 1697 #ifdef CONFIG_VIDEO_ADV_DEBUG 1698 .g_register = tvp5150_g_register, 1699 .s_register = tvp5150_s_register, 1700 #endif 1701 .subscribe_event = tvp5150_subscribe_event, 1702 .unsubscribe_event = v4l2_event_subdev_unsubscribe, 1703 }; 1704 1705 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1706 .g_tuner = tvp5150_g_tuner, 1707 }; 1708 1709 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1710 .s_std = tvp5150_s_std, 1711 .g_std = tvp5150_g_std, 1712 .querystd = tvp5150_querystd, 1713 .s_stream = tvp5150_s_stream, 1714 .s_routing = tvp5150_s_routing, 1715 }; 1716 1717 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1718 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1719 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1720 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1721 .s_raw_fmt = tvp5150_s_raw_fmt, 1722 }; 1723 1724 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1725 .enum_mbus_code = tvp5150_enum_mbus_code, 1726 .enum_frame_size = tvp5150_enum_frame_size, 1727 .set_fmt = tvp5150_fill_fmt, 1728 .get_fmt = tvp5150_fill_fmt, 1729 .get_selection = tvp5150_get_selection, 1730 .set_selection = tvp5150_set_selection, 1731 .get_mbus_config = tvp5150_get_mbus_config, 1732 }; 1733 1734 static const struct v4l2_subdev_ops tvp5150_ops = { 1735 .core = &tvp5150_core_ops, 1736 .tuner = &tvp5150_tuner_ops, 1737 .video = &tvp5150_video_ops, 1738 .vbi = &tvp5150_vbi_ops, 1739 .pad = &tvp5150_pad_ops, 1740 }; 1741 1742 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { 1743 .init_state = tvp5150_init_state, 1744 .registered = tvp5150_registered, 1745 .open = tvp5150_open, 1746 .close = tvp5150_close, 1747 }; 1748 1749 /**************************************************************************** 1750 I2C Client & Driver 1751 ****************************************************************************/ 1752 1753 static const struct regmap_range tvp5150_readable_ranges[] = { 1754 { 1755 .range_min = TVP5150_VD_IN_SRC_SEL_1, 1756 .range_max = TVP5150_AUTOSW_MSK, 1757 }, { 1758 .range_min = TVP5150_COLOR_KIL_THSH_CTL, 1759 .range_max = TVP5150_CONF_SHARED_PIN, 1760 }, { 1761 .range_min = TVP5150_ACT_VD_CROP_ST_MSB, 1762 .range_max = TVP5150_HORIZ_SYNC_START, 1763 }, { 1764 .range_min = TVP5150_VERT_BLANKING_START, 1765 .range_max = TVP5150_INTT_CONFIG_REG_B, 1766 }, { 1767 .range_min = TVP5150_VIDEO_STD, 1768 .range_max = TVP5150_VIDEO_STD, 1769 }, { 1770 .range_min = TVP5150_CB_GAIN_FACT, 1771 .range_max = TVP5150_REV_SELECT, 1772 }, { 1773 .range_min = TVP5150_MSB_DEV_ID, 1774 .range_max = TVP5150_STATUS_REG_5, 1775 }, { 1776 .range_min = TVP5150_CC_DATA_INI, 1777 .range_max = TVP5150_TELETEXT_FIL_ENA, 1778 }, { 1779 .range_min = TVP5150_INT_STATUS_REG_A, 1780 .range_max = TVP5150_FIFO_OUT_CTRL, 1781 }, { 1782 .range_min = TVP5150_FULL_FIELD_ENA, 1783 .range_max = TVP5150_FULL_FIELD_MODE_REG, 1784 }, 1785 }; 1786 1787 static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg) 1788 { 1789 switch (reg) { 1790 case TVP5150_VERT_LN_COUNT_MSB: 1791 case TVP5150_VERT_LN_COUNT_LSB: 1792 case TVP5150_INT_STATUS_REG_A: 1793 case TVP5150_INT_STATUS_REG_B: 1794 case TVP5150_INT_ACTIVE_REG_B: 1795 case TVP5150_STATUS_REG_1: 1796 case TVP5150_STATUS_REG_2: 1797 case TVP5150_STATUS_REG_3: 1798 case TVP5150_STATUS_REG_4: 1799 case TVP5150_STATUS_REG_5: 1800 /* CC, WSS, VPS, VITC data? */ 1801 case TVP5150_VBI_FIFO_READ_DATA: 1802 case TVP5150_VDP_STATUS_REG: 1803 case TVP5150_FIFO_WORD_COUNT: 1804 return true; 1805 default: 1806 return false; 1807 } 1808 } 1809 1810 static const struct regmap_access_table tvp5150_readable_table = { 1811 .yes_ranges = tvp5150_readable_ranges, 1812 .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges), 1813 }; 1814 1815 static struct regmap_config tvp5150_config = { 1816 .reg_bits = 8, 1817 .val_bits = 8, 1818 .max_register = 0xff, 1819 1820 .cache_type = REGCACHE_RBTREE, 1821 1822 .rd_table = &tvp5150_readable_table, 1823 .volatile_reg = tvp5150_volatile_reg, 1824 }; 1825 1826 static int tvp5150_detect_version(struct tvp5150 *core) 1827 { 1828 struct v4l2_subdev *sd = &core->sd; 1829 struct i2c_client *c = v4l2_get_subdevdata(sd); 1830 u8 regs[4]; 1831 int res; 1832 1833 /* 1834 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1835 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1836 */ 1837 res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4); 1838 if (res < 0) { 1839 dev_err(&c->dev, "reading ID registers failed: %d\n", res); 1840 return res; 1841 } 1842 1843 core->dev_id = (regs[0] << 8) | regs[1]; 1844 core->rom_ver = (regs[2] << 8) | regs[3]; 1845 1846 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1847 core->dev_id, regs[2], regs[3], c->addr << 1, 1848 c->adapter->name); 1849 1850 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1851 dev_info(sd->dev, "tvp5150a detected.\n"); 1852 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1853 dev_info(sd->dev, "tvp5150am1 detected.\n"); 1854 1855 /* ITU-T BT.656.4 timing */ 1856 regmap_write(core->regmap, TVP5150_REV_SELECT, 0); 1857 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1858 dev_info(sd->dev, "tvp5151 detected.\n"); 1859 } else { 1860 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n", 1861 core->dev_id); 1862 } 1863 1864 return 0; 1865 } 1866 1867 static int tvp5150_init(struct i2c_client *c) 1868 { 1869 struct gpio_desc *pdn_gpio; 1870 struct gpio_desc *reset_gpio; 1871 1872 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1873 if (IS_ERR(pdn_gpio)) 1874 return PTR_ERR(pdn_gpio); 1875 1876 if (pdn_gpio) { 1877 gpiod_set_value_cansleep(pdn_gpio, 0); 1878 /* Delay time between power supplies active and reset */ 1879 msleep(20); 1880 } 1881 1882 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1883 if (IS_ERR(reset_gpio)) 1884 return PTR_ERR(reset_gpio); 1885 1886 if (reset_gpio) { 1887 /* RESETB pulse duration */ 1888 ndelay(500); 1889 gpiod_set_value_cansleep(reset_gpio, 0); 1890 /* Delay time between end of reset to I2C active */ 1891 usleep_range(200, 250); 1892 } 1893 1894 return 0; 1895 } 1896 1897 #if defined(CONFIG_MEDIA_CONTROLLER) 1898 static int tvp5150_mc_init(struct tvp5150 *decoder) 1899 { 1900 struct v4l2_subdev *sd = &decoder->sd; 1901 unsigned int i; 1902 1903 sd->entity.ops = &tvp5150_sd_media_ops; 1904 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1905 1906 for (i = 0; i < TVP5150_NUM_PADS - 1; i++) { 1907 decoder->pads[i].flags = MEDIA_PAD_FL_SINK; 1908 decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG; 1909 } 1910 1911 decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE; 1912 decoder->pads[i].sig_type = PAD_SIGNAL_DV; 1913 1914 return media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS, 1915 decoder->pads); 1916 } 1917 1918 #else /* !defined(CONFIG_MEDIA_CONTROLLER) */ 1919 1920 static inline int tvp5150_mc_init(struct tvp5150 *decoder) 1921 { 1922 return 0; 1923 } 1924 #endif /* defined(CONFIG_MEDIA_CONTROLLER) */ 1925 1926 static int tvp5150_validate_connectors(struct tvp5150 *decoder) 1927 { 1928 struct device *dev = decoder->sd.dev; 1929 struct tvp5150_connector *tvpc; 1930 struct v4l2_fwnode_connector *v4l2c; 1931 unsigned int i; 1932 1933 if (!decoder->connectors_num) { 1934 dev_err(dev, "No valid connector found\n"); 1935 return -ENODEV; 1936 } 1937 1938 for (i = 0; i < decoder->connectors_num; i++) { 1939 struct v4l2_connector_link *link0 = NULL; 1940 struct v4l2_connector_link *link1; 1941 1942 tvpc = &decoder->connectors[i]; 1943 v4l2c = &tvpc->base; 1944 1945 if (v4l2c->type == V4L2_CONN_COMPOSITE) { 1946 if (v4l2c->nr_of_links != 1) { 1947 dev_err(dev, "Composite: connector needs 1 link\n"); 1948 return -EINVAL; 1949 } 1950 link0 = v4l2_connector_first_link(v4l2c); 1951 if (!link0) { 1952 dev_err(dev, "Composite: invalid first link\n"); 1953 return -EINVAL; 1954 } 1955 if (link0->fwnode_link.remote_id == 1) { 1956 dev_err(dev, "Composite: invalid endpoint id\n"); 1957 return -EINVAL; 1958 } 1959 } 1960 1961 if (v4l2c->type == V4L2_CONN_SVIDEO) { 1962 if (v4l2c->nr_of_links != 2) { 1963 dev_err(dev, "SVideo: connector needs 2 links\n"); 1964 return -EINVAL; 1965 } 1966 link0 = v4l2_connector_first_link(v4l2c); 1967 if (!link0) { 1968 dev_err(dev, "SVideo: invalid first link\n"); 1969 return -EINVAL; 1970 } 1971 link1 = v4l2_connector_last_link(v4l2c); 1972 if (link0->fwnode_link.remote_port == 1973 link1->fwnode_link.remote_port) { 1974 dev_err(dev, "SVideo: invalid link setup\n"); 1975 return -EINVAL; 1976 } 1977 } 1978 1979 if (!(v4l2c->connector.analog.sdtv_stds & TVP5150_STD_MASK)) { 1980 dev_err(dev, "Unsupported tv-norm on connector %s\n", 1981 v4l2c->name); 1982 return -EINVAL; 1983 } 1984 } 1985 1986 return 0; 1987 } 1988 1989 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1990 { 1991 struct device *dev = decoder->sd.dev; 1992 struct v4l2_fwnode_endpoint bus_cfg = { 1993 .bus_type = V4L2_MBUS_UNKNOWN 1994 }; 1995 struct device_node *ep_np; 1996 struct tvp5150_connector *tvpc; 1997 struct v4l2_fwnode_connector *v4l2c; 1998 unsigned int flags, ep_num; 1999 unsigned int i; 2000 int ret; 2001 2002 /* At least 1 output and 1 input */ 2003 ep_num = of_graph_get_endpoint_count(np); 2004 if (ep_num < 2 || ep_num > 5) { 2005 dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n"); 2006 return -EINVAL; 2007 } 2008 2009 /* Layout if all connectors are used: 2010 * 2011 * tvp-5150 port@0 (AIP1A) 2012 * endpoint@0 -----------> Comp0-Con port 2013 * endpoint@1 --------+--> Svideo-Con port 2014 * tvp-5150 port@1 (AIP1B) | 2015 * endpoint@1 --------+ 2016 * endpoint@0 -----------> Comp1-Con port 2017 * tvp-5150 port@2 2018 * endpoint (video bitstream output at YOUT[0-7] parallel bus) 2019 */ 2020 for_each_endpoint_of_node(np, ep_np) { 2021 struct fwnode_handle *ep_fwnode = of_fwnode_handle(ep_np); 2022 unsigned int next_connector = decoder->connectors_num; 2023 struct of_endpoint ep; 2024 2025 of_graph_parse_endpoint(ep_np, &ep); 2026 if (ep.port > 1 || ep.id > 1) { 2027 dev_dbg(dev, "Ignore connector on port@%u/ep@%u\n", 2028 ep.port, ep.id); 2029 continue; 2030 } 2031 2032 tvpc = &decoder->connectors[next_connector]; 2033 v4l2c = &tvpc->base; 2034 2035 if (ep.port == 0 || (ep.port == 1 && ep.id == 0)) { 2036 ret = v4l2_fwnode_connector_parse(ep_fwnode, v4l2c); 2037 if (ret) 2038 goto err_put; 2039 ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c); 2040 if (ret) 2041 goto err_put; 2042 decoder->connectors_num++; 2043 } else { 2044 /* Adding the 2nd svideo link */ 2045 for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) { 2046 tvpc = &decoder->connectors[i]; 2047 v4l2c = &tvpc->base; 2048 if (v4l2c->type == V4L2_CONN_SVIDEO) 2049 break; 2050 } 2051 2052 ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c); 2053 if (ret) 2054 goto err_put; 2055 } 2056 } 2057 2058 ret = tvp5150_validate_connectors(decoder); 2059 if (ret) 2060 goto err_free; 2061 2062 for (i = 0; i < decoder->connectors_num; i++) { 2063 tvpc = &decoder->connectors[i]; 2064 v4l2c = &tvpc->base; 2065 tvpc->ent.flags = MEDIA_ENT_FL_CONNECTOR; 2066 tvpc->ent.function = v4l2c->type == V4L2_CONN_SVIDEO ? 2067 MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE; 2068 tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, "%s %s", 2069 v4l2c->name, v4l2c->label ? 2070 v4l2c->label : ""); 2071 if (!tvpc->ent.name) { 2072 ret = -ENOMEM; 2073 goto err_free; 2074 } 2075 } 2076 2077 ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0); 2078 if (!ep_np) { 2079 ret = -EINVAL; 2080 dev_err(dev, "Error no output endpoint available\n"); 2081 goto err_free; 2082 } 2083 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), &bus_cfg); 2084 of_node_put(ep_np); 2085 if (ret) 2086 goto err_free; 2087 2088 flags = bus_cfg.bus.parallel.flags; 2089 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 2090 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 2091 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 2092 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 2093 ret = -EINVAL; 2094 goto err_free; 2095 } 2096 2097 decoder->mbus_type = bus_cfg.bus_type; 2098 2099 return 0; 2100 2101 err_put: 2102 of_node_put(ep_np); 2103 err_free: 2104 for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) 2105 v4l2_fwnode_connector_free(&decoder->connectors[i].base); 2106 2107 return ret; 2108 } 2109 2110 static const char * const tvp5150_test_patterns[2] = { 2111 "Disabled", 2112 "Black screen" 2113 }; 2114 2115 static int tvp5150_probe(struct i2c_client *c) 2116 { 2117 struct tvp5150 *core; 2118 struct v4l2_subdev *sd; 2119 struct device_node *np = c->dev.of_node; 2120 struct regmap *map; 2121 unsigned int i; 2122 int res; 2123 2124 /* Check if the adapter supports the needed features */ 2125 if (!i2c_check_functionality(c->adapter, 2126 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 2127 return -EIO; 2128 2129 res = tvp5150_init(c); 2130 if (res) 2131 return res; 2132 2133 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 2134 if (!core) 2135 return -ENOMEM; 2136 2137 map = devm_regmap_init_i2c(c, &tvp5150_config); 2138 if (IS_ERR(map)) 2139 return PTR_ERR(map); 2140 2141 core->regmap = map; 2142 sd = &core->sd; 2143 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 2144 sd->internal_ops = &tvp5150_internal_ops; 2145 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; 2146 2147 if (IS_ENABLED(CONFIG_OF) && np) { 2148 res = tvp5150_parse_dt(core, np); 2149 if (res) { 2150 dev_err(sd->dev, "DT parsing error: %d\n", res); 2151 return res; 2152 } 2153 } else { 2154 /* Default to BT.656 embedded sync */ 2155 core->mbus_type = V4L2_MBUS_BT656; 2156 } 2157 2158 res = tvp5150_mc_init(core); 2159 if (res) 2160 return res; 2161 2162 res = tvp5150_detect_version(core); 2163 if (res < 0) 2164 return res; 2165 2166 /* 2167 * Iterate over all available connectors in case they are supported and 2168 * successfully parsed. Fallback to default autodetect in case they 2169 * aren't supported. 2170 */ 2171 for (i = 0; i < core->connectors_num; i++) { 2172 struct v4l2_fwnode_connector *v4l2c; 2173 2174 v4l2c = &core->connectors[i].base; 2175 core->norm |= v4l2c->connector.analog.sdtv_stds; 2176 } 2177 2178 if (!core->connectors_num) 2179 core->norm = V4L2_STD_ALL; 2180 2181 core->detected_norm = V4L2_STD_UNKNOWN; 2182 core->input = TVP5150_COMPOSITE1; 2183 core->enable = true; 2184 2185 v4l2_ctrl_handler_init(&core->hdl, 5); 2186 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 2187 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 2188 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 2189 V4L2_CID_CONTRAST, 0, 255, 1, 128); 2190 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 2191 V4L2_CID_SATURATION, 0, 255, 1, 128); 2192 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 2193 V4L2_CID_HUE, -128, 127, 1, 0); 2194 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 2195 V4L2_CID_PIXEL_RATE, 27000000, 2196 27000000, 1, 27000000); 2197 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 2198 V4L2_CID_TEST_PATTERN, 2199 ARRAY_SIZE(tvp5150_test_patterns) - 1, 2200 0, 0, tvp5150_test_patterns); 2201 sd->ctrl_handler = &core->hdl; 2202 if (core->hdl.error) { 2203 res = core->hdl.error; 2204 goto err; 2205 } 2206 2207 tvp5150_set_default(tvp5150_read_std(sd), &core->rect); 2208 2209 core->irq = c->irq; 2210 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */ 2211 if (c->irq) { 2212 res = devm_request_threaded_irq(&c->dev, c->irq, NULL, 2213 tvp5150_isr, IRQF_TRIGGER_HIGH | 2214 IRQF_ONESHOT, "tvp5150", core); 2215 if (res) 2216 goto err; 2217 } 2218 2219 res = v4l2_async_register_subdev(sd); 2220 if (res < 0) 2221 goto err; 2222 2223 if (debug > 1) 2224 tvp5150_log_status(sd); 2225 2226 pm_runtime_set_active(&c->dev); 2227 pm_runtime_enable(&c->dev); 2228 pm_runtime_idle(&c->dev); 2229 2230 return 0; 2231 2232 err: 2233 v4l2_ctrl_handler_free(&core->hdl); 2234 return res; 2235 } 2236 2237 static void tvp5150_remove(struct i2c_client *c) 2238 { 2239 struct v4l2_subdev *sd = i2c_get_clientdata(c); 2240 struct tvp5150 *decoder = to_tvp5150(sd); 2241 unsigned int i; 2242 2243 dev_dbg_lvl(sd->dev, 1, debug, 2244 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 2245 c->addr << 1); 2246 2247 for (i = 0; i < decoder->connectors_num; i++) 2248 v4l2_fwnode_connector_free(&decoder->connectors[i].base); 2249 for (i = 0; i < decoder->connectors_num; i++) { 2250 media_device_unregister_entity(&decoder->connectors[i].ent); 2251 media_entity_cleanup(&decoder->connectors[i].ent); 2252 } 2253 v4l2_async_unregister_subdev(sd); 2254 v4l2_ctrl_handler_free(&decoder->hdl); 2255 pm_runtime_disable(&c->dev); 2256 pm_runtime_set_suspended(&c->dev); 2257 } 2258 2259 /* ----------------------------------------------------------------------- */ 2260 2261 static const struct dev_pm_ops tvp5150_pm_ops = { 2262 SET_RUNTIME_PM_OPS(tvp5150_runtime_suspend, 2263 tvp5150_runtime_resume, 2264 NULL) 2265 }; 2266 2267 static const struct i2c_device_id tvp5150_id[] = { 2268 { "tvp5150", 0 }, 2269 { } 2270 }; 2271 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 2272 2273 #if IS_ENABLED(CONFIG_OF) 2274 static const struct of_device_id tvp5150_of_match[] = { 2275 { .compatible = "ti,tvp5150", }, 2276 { /* sentinel */ }, 2277 }; 2278 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 2279 #endif 2280 2281 static struct i2c_driver tvp5150_driver = { 2282 .driver = { 2283 .of_match_table = of_match_ptr(tvp5150_of_match), 2284 .name = "tvp5150", 2285 .pm = &tvp5150_pm_ops, 2286 }, 2287 .probe = tvp5150_probe, 2288 .remove = tvp5150_remove, 2289 .id_table = tvp5150_id, 2290 }; 2291 2292 module_i2c_driver(tvp5150_driver); 2293