1 /* 2 * cx2341x - generic code for cx23415/6/8 based devices 3 * 4 * Copyright (C) 2006 Hans Verkuil <hverkuil@xs4all.nl> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 18 #include <linux/module.h> 19 #include <linux/errno.h> 20 #include <linux/kernel.h> 21 #include <linux/init.h> 22 #include <linux/types.h> 23 #include <linux/videodev2.h> 24 25 #include <media/tuner.h> 26 #include <media/drv-intf/cx2341x.h> 27 #include <media/v4l2-common.h> 28 29 MODULE_DESCRIPTION("cx23415/6/8 driver"); 30 MODULE_AUTHOR("Hans Verkuil"); 31 MODULE_LICENSE("GPL"); 32 33 static int debug; 34 module_param(debug, int, 0644); 35 MODULE_PARM_DESC(debug, "Debug level (0-1)"); 36 37 /********************** COMMON CODE *********************/ 38 39 /* definitions for audio properties bits 29-28 */ 40 #define CX2341X_AUDIO_ENCODING_METHOD_MPEG 0 41 #define CX2341X_AUDIO_ENCODING_METHOD_AC3 1 42 #define CX2341X_AUDIO_ENCODING_METHOD_LPCM 2 43 44 static const char *cx2341x_get_name(u32 id) 45 { 46 switch (id) { 47 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 48 return "Spatial Filter Mode"; 49 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: 50 return "Spatial Filter"; 51 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 52 return "Spatial Luma Filter Type"; 53 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 54 return "Spatial Chroma Filter Type"; 55 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 56 return "Temporal Filter Mode"; 57 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: 58 return "Temporal Filter"; 59 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 60 return "Median Filter Type"; 61 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: 62 return "Median Luma Filter Maximum"; 63 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: 64 return "Median Luma Filter Minimum"; 65 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: 66 return "Median Chroma Filter Maximum"; 67 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: 68 return "Median Chroma Filter Minimum"; 69 case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: 70 return "Insert Navigation Packets"; 71 } 72 return NULL; 73 } 74 75 static const char **cx2341x_get_menu(u32 id) 76 { 77 static const char *cx2341x_video_spatial_filter_mode_menu[] = { 78 "Manual", 79 "Auto", 80 NULL 81 }; 82 83 static const char *cx2341x_video_luma_spatial_filter_type_menu[] = { 84 "Off", 85 "1D Horizontal", 86 "1D Vertical", 87 "2D H/V Separable", 88 "2D Symmetric non-separable", 89 NULL 90 }; 91 92 static const char *cx2341x_video_chroma_spatial_filter_type_menu[] = { 93 "Off", 94 "1D Horizontal", 95 NULL 96 }; 97 98 static const char *cx2341x_video_temporal_filter_mode_menu[] = { 99 "Manual", 100 "Auto", 101 NULL 102 }; 103 104 static const char *cx2341x_video_median_filter_type_menu[] = { 105 "Off", 106 "Horizontal", 107 "Vertical", 108 "Horizontal/Vertical", 109 "Diagonal", 110 NULL 111 }; 112 113 switch (id) { 114 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 115 return cx2341x_video_spatial_filter_mode_menu; 116 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 117 return cx2341x_video_luma_spatial_filter_type_menu; 118 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 119 return cx2341x_video_chroma_spatial_filter_type_menu; 120 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 121 return cx2341x_video_temporal_filter_mode_menu; 122 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 123 return cx2341x_video_median_filter_type_menu; 124 } 125 return NULL; 126 } 127 128 static void cx2341x_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, 129 s32 *min, s32 *max, s32 *step, s32 *def, u32 *flags) 130 { 131 *name = cx2341x_get_name(id); 132 *flags = 0; 133 134 switch (id) { 135 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 136 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 137 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 138 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 139 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 140 *type = V4L2_CTRL_TYPE_MENU; 141 *min = 0; 142 *step = 0; 143 break; 144 case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: 145 *type = V4L2_CTRL_TYPE_BOOLEAN; 146 *min = 0; 147 *max = *step = 1; 148 break; 149 default: 150 *type = V4L2_CTRL_TYPE_INTEGER; 151 break; 152 } 153 switch (id) { 154 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 155 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 156 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 157 *flags |= V4L2_CTRL_FLAG_UPDATE; 158 break; 159 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: 160 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: 161 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: 162 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: 163 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: 164 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: 165 *flags |= V4L2_CTRL_FLAG_SLIDER; 166 break; 167 case V4L2_CID_MPEG_VIDEO_ENCODING: 168 *flags |= V4L2_CTRL_FLAG_READ_ONLY; 169 break; 170 } 171 } 172 173 174 /********************** OLD CODE *********************/ 175 176 /* Must be sorted from low to high control ID! */ 177 const u32 cx2341x_mpeg_ctrls[] = { 178 V4L2_CID_MPEG_CLASS, 179 V4L2_CID_MPEG_STREAM_TYPE, 180 V4L2_CID_MPEG_STREAM_VBI_FMT, 181 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, 182 V4L2_CID_MPEG_AUDIO_ENCODING, 183 V4L2_CID_MPEG_AUDIO_L2_BITRATE, 184 V4L2_CID_MPEG_AUDIO_MODE, 185 V4L2_CID_MPEG_AUDIO_MODE_EXTENSION, 186 V4L2_CID_MPEG_AUDIO_EMPHASIS, 187 V4L2_CID_MPEG_AUDIO_CRC, 188 V4L2_CID_MPEG_AUDIO_MUTE, 189 V4L2_CID_MPEG_AUDIO_AC3_BITRATE, 190 V4L2_CID_MPEG_VIDEO_ENCODING, 191 V4L2_CID_MPEG_VIDEO_ASPECT, 192 V4L2_CID_MPEG_VIDEO_B_FRAMES, 193 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 194 V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 195 V4L2_CID_MPEG_VIDEO_BITRATE_MODE, 196 V4L2_CID_MPEG_VIDEO_BITRATE, 197 V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, 198 V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION, 199 V4L2_CID_MPEG_VIDEO_MUTE, 200 V4L2_CID_MPEG_VIDEO_MUTE_YUV, 201 V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE, 202 V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER, 203 V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE, 204 V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE, 205 V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE, 206 V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER, 207 V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE, 208 V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM, 209 V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP, 210 V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM, 211 V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP, 212 V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS, 213 0 214 }; 215 EXPORT_SYMBOL(cx2341x_mpeg_ctrls); 216 217 static const struct cx2341x_mpeg_params default_params = { 218 /* misc */ 219 .capabilities = 0, 220 .port = CX2341X_PORT_MEMORY, 221 .width = 720, 222 .height = 480, 223 .is_50hz = 0, 224 225 /* stream */ 226 .stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS, 227 .stream_vbi_fmt = V4L2_MPEG_STREAM_VBI_FMT_NONE, 228 .stream_insert_nav_packets = 0, 229 230 /* audio */ 231 .audio_sampling_freq = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, 232 .audio_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 233 .audio_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_224K, 234 .audio_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_224K, 235 .audio_mode = V4L2_MPEG_AUDIO_MODE_STEREO, 236 .audio_mode_extension = V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4, 237 .audio_emphasis = V4L2_MPEG_AUDIO_EMPHASIS_NONE, 238 .audio_crc = V4L2_MPEG_AUDIO_CRC_NONE, 239 .audio_mute = 0, 240 241 /* video */ 242 .video_encoding = V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 243 .video_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3, 244 .video_b_frames = 2, 245 .video_gop_size = 12, 246 .video_gop_closure = 1, 247 .video_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, 248 .video_bitrate = 6000000, 249 .video_bitrate_peak = 8000000, 250 .video_temporal_decimation = 0, 251 .video_mute = 0, 252 .video_mute_yuv = 0x008080, /* YCbCr value for black */ 253 254 /* encoding filters */ 255 .video_spatial_filter_mode = 256 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL, 257 .video_spatial_filter = 0, 258 .video_luma_spatial_filter_type = 259 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR, 260 .video_chroma_spatial_filter_type = 261 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR, 262 .video_temporal_filter_mode = 263 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL, 264 .video_temporal_filter = 8, 265 .video_median_filter_type = 266 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF, 267 .video_luma_median_filter_top = 255, 268 .video_luma_median_filter_bottom = 0, 269 .video_chroma_median_filter_top = 255, 270 .video_chroma_median_filter_bottom = 0, 271 }; 272 /* Map the control ID to the correct field in the cx2341x_mpeg_params 273 struct. Return -EINVAL if the ID is unknown, else return 0. */ 274 static int cx2341x_get_ctrl(const struct cx2341x_mpeg_params *params, 275 struct v4l2_ext_control *ctrl) 276 { 277 switch (ctrl->id) { 278 case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: 279 ctrl->value = params->audio_sampling_freq; 280 break; 281 case V4L2_CID_MPEG_AUDIO_ENCODING: 282 ctrl->value = params->audio_encoding; 283 break; 284 case V4L2_CID_MPEG_AUDIO_L2_BITRATE: 285 ctrl->value = params->audio_l2_bitrate; 286 break; 287 case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: 288 ctrl->value = params->audio_ac3_bitrate; 289 break; 290 case V4L2_CID_MPEG_AUDIO_MODE: 291 ctrl->value = params->audio_mode; 292 break; 293 case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: 294 ctrl->value = params->audio_mode_extension; 295 break; 296 case V4L2_CID_MPEG_AUDIO_EMPHASIS: 297 ctrl->value = params->audio_emphasis; 298 break; 299 case V4L2_CID_MPEG_AUDIO_CRC: 300 ctrl->value = params->audio_crc; 301 break; 302 case V4L2_CID_MPEG_AUDIO_MUTE: 303 ctrl->value = params->audio_mute; 304 break; 305 case V4L2_CID_MPEG_VIDEO_ENCODING: 306 ctrl->value = params->video_encoding; 307 break; 308 case V4L2_CID_MPEG_VIDEO_ASPECT: 309 ctrl->value = params->video_aspect; 310 break; 311 case V4L2_CID_MPEG_VIDEO_B_FRAMES: 312 ctrl->value = params->video_b_frames; 313 break; 314 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 315 ctrl->value = params->video_gop_size; 316 break; 317 case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: 318 ctrl->value = params->video_gop_closure; 319 break; 320 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 321 ctrl->value = params->video_bitrate_mode; 322 break; 323 case V4L2_CID_MPEG_VIDEO_BITRATE: 324 ctrl->value = params->video_bitrate; 325 break; 326 case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: 327 ctrl->value = params->video_bitrate_peak; 328 break; 329 case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: 330 ctrl->value = params->video_temporal_decimation; 331 break; 332 case V4L2_CID_MPEG_VIDEO_MUTE: 333 ctrl->value = params->video_mute; 334 break; 335 case V4L2_CID_MPEG_VIDEO_MUTE_YUV: 336 ctrl->value = params->video_mute_yuv; 337 break; 338 case V4L2_CID_MPEG_STREAM_TYPE: 339 ctrl->value = params->stream_type; 340 break; 341 case V4L2_CID_MPEG_STREAM_VBI_FMT: 342 ctrl->value = params->stream_vbi_fmt; 343 break; 344 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 345 ctrl->value = params->video_spatial_filter_mode; 346 break; 347 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: 348 ctrl->value = params->video_spatial_filter; 349 break; 350 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 351 ctrl->value = params->video_luma_spatial_filter_type; 352 break; 353 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 354 ctrl->value = params->video_chroma_spatial_filter_type; 355 break; 356 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 357 ctrl->value = params->video_temporal_filter_mode; 358 break; 359 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: 360 ctrl->value = params->video_temporal_filter; 361 break; 362 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 363 ctrl->value = params->video_median_filter_type; 364 break; 365 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: 366 ctrl->value = params->video_luma_median_filter_top; 367 break; 368 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: 369 ctrl->value = params->video_luma_median_filter_bottom; 370 break; 371 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: 372 ctrl->value = params->video_chroma_median_filter_top; 373 break; 374 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: 375 ctrl->value = params->video_chroma_median_filter_bottom; 376 break; 377 case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: 378 ctrl->value = params->stream_insert_nav_packets; 379 break; 380 default: 381 return -EINVAL; 382 } 383 return 0; 384 } 385 386 /* Map the control ID to the correct field in the cx2341x_mpeg_params 387 struct. Return -EINVAL if the ID is unknown, else return 0. */ 388 static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy, 389 struct v4l2_ext_control *ctrl) 390 { 391 switch (ctrl->id) { 392 case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: 393 if (busy) 394 return -EBUSY; 395 params->audio_sampling_freq = ctrl->value; 396 break; 397 case V4L2_CID_MPEG_AUDIO_ENCODING: 398 if (busy) 399 return -EBUSY; 400 if (params->capabilities & CX2341X_CAP_HAS_AC3) 401 if (ctrl->value != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 && 402 ctrl->value != V4L2_MPEG_AUDIO_ENCODING_AC3) 403 return -ERANGE; 404 params->audio_encoding = ctrl->value; 405 break; 406 case V4L2_CID_MPEG_AUDIO_L2_BITRATE: 407 if (busy) 408 return -EBUSY; 409 params->audio_l2_bitrate = ctrl->value; 410 break; 411 case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: 412 if (busy) 413 return -EBUSY; 414 if (!(params->capabilities & CX2341X_CAP_HAS_AC3)) 415 return -EINVAL; 416 params->audio_ac3_bitrate = ctrl->value; 417 break; 418 case V4L2_CID_MPEG_AUDIO_MODE: 419 params->audio_mode = ctrl->value; 420 break; 421 case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: 422 params->audio_mode_extension = ctrl->value; 423 break; 424 case V4L2_CID_MPEG_AUDIO_EMPHASIS: 425 params->audio_emphasis = ctrl->value; 426 break; 427 case V4L2_CID_MPEG_AUDIO_CRC: 428 params->audio_crc = ctrl->value; 429 break; 430 case V4L2_CID_MPEG_AUDIO_MUTE: 431 params->audio_mute = ctrl->value; 432 break; 433 case V4L2_CID_MPEG_VIDEO_ASPECT: 434 params->video_aspect = ctrl->value; 435 break; 436 case V4L2_CID_MPEG_VIDEO_B_FRAMES: { 437 int b = ctrl->value + 1; 438 int gop = params->video_gop_size; 439 params->video_b_frames = ctrl->value; 440 params->video_gop_size = b * ((gop + b - 1) / b); 441 /* Max GOP size = 34 */ 442 while (params->video_gop_size > 34) 443 params->video_gop_size -= b; 444 break; 445 } 446 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: { 447 int b = params->video_b_frames + 1; 448 int gop = ctrl->value; 449 params->video_gop_size = b * ((gop + b - 1) / b); 450 /* Max GOP size = 34 */ 451 while (params->video_gop_size > 34) 452 params->video_gop_size -= b; 453 ctrl->value = params->video_gop_size; 454 break; 455 } 456 case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: 457 params->video_gop_closure = ctrl->value; 458 break; 459 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 460 if (busy) 461 return -EBUSY; 462 /* MPEG-1 only allows CBR */ 463 if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1 && 464 ctrl->value != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 465 return -EINVAL; 466 params->video_bitrate_mode = ctrl->value; 467 break; 468 case V4L2_CID_MPEG_VIDEO_BITRATE: 469 if (busy) 470 return -EBUSY; 471 params->video_bitrate = ctrl->value; 472 break; 473 case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: 474 if (busy) 475 return -EBUSY; 476 params->video_bitrate_peak = ctrl->value; 477 break; 478 case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: 479 params->video_temporal_decimation = ctrl->value; 480 break; 481 case V4L2_CID_MPEG_VIDEO_MUTE: 482 params->video_mute = (ctrl->value != 0); 483 break; 484 case V4L2_CID_MPEG_VIDEO_MUTE_YUV: 485 params->video_mute_yuv = ctrl->value; 486 break; 487 case V4L2_CID_MPEG_STREAM_TYPE: 488 if (busy) 489 return -EBUSY; 490 params->stream_type = ctrl->value; 491 params->video_encoding = 492 (params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_SS || 493 params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ? 494 V4L2_MPEG_VIDEO_ENCODING_MPEG_1 : 495 V4L2_MPEG_VIDEO_ENCODING_MPEG_2; 496 if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) 497 /* MPEG-1 implies CBR */ 498 params->video_bitrate_mode = 499 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR; 500 break; 501 case V4L2_CID_MPEG_STREAM_VBI_FMT: 502 params->stream_vbi_fmt = ctrl->value; 503 break; 504 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 505 params->video_spatial_filter_mode = ctrl->value; 506 break; 507 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: 508 params->video_spatial_filter = ctrl->value; 509 break; 510 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 511 params->video_luma_spatial_filter_type = ctrl->value; 512 break; 513 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 514 params->video_chroma_spatial_filter_type = ctrl->value; 515 break; 516 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 517 params->video_temporal_filter_mode = ctrl->value; 518 break; 519 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: 520 params->video_temporal_filter = ctrl->value; 521 break; 522 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 523 params->video_median_filter_type = ctrl->value; 524 break; 525 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: 526 params->video_luma_median_filter_top = ctrl->value; 527 break; 528 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: 529 params->video_luma_median_filter_bottom = ctrl->value; 530 break; 531 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: 532 params->video_chroma_median_filter_top = ctrl->value; 533 break; 534 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: 535 params->video_chroma_median_filter_bottom = ctrl->value; 536 break; 537 case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: 538 params->stream_insert_nav_packets = ctrl->value; 539 break; 540 default: 541 return -EINVAL; 542 } 543 return 0; 544 } 545 546 static int cx2341x_ctrl_query_fill(struct v4l2_queryctrl *qctrl, 547 s32 min, s32 max, s32 step, s32 def) 548 { 549 const char *name; 550 551 switch (qctrl->id) { 552 /* MPEG controls */ 553 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 554 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: 555 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 556 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 557 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 558 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: 559 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 560 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: 561 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: 562 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: 563 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: 564 case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: 565 cx2341x_ctrl_fill(qctrl->id, &name, &qctrl->type, 566 &min, &max, &step, &def, &qctrl->flags); 567 qctrl->minimum = min; 568 qctrl->maximum = max; 569 qctrl->step = step; 570 qctrl->default_value = def; 571 qctrl->reserved[0] = qctrl->reserved[1] = 0; 572 strlcpy(qctrl->name, name, sizeof(qctrl->name)); 573 return 0; 574 575 default: 576 return v4l2_ctrl_query_fill(qctrl, min, max, step, def); 577 } 578 } 579 580 int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params, 581 struct v4l2_queryctrl *qctrl) 582 { 583 int err; 584 585 switch (qctrl->id) { 586 case V4L2_CID_MPEG_CLASS: 587 return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0); 588 case V4L2_CID_MPEG_STREAM_TYPE: 589 return v4l2_ctrl_query_fill(qctrl, 590 V4L2_MPEG_STREAM_TYPE_MPEG2_PS, 591 V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1, 592 V4L2_MPEG_STREAM_TYPE_MPEG2_PS); 593 594 case V4L2_CID_MPEG_STREAM_VBI_FMT: 595 if (params->capabilities & CX2341X_CAP_HAS_SLICED_VBI) 596 return v4l2_ctrl_query_fill(qctrl, 597 V4L2_MPEG_STREAM_VBI_FMT_NONE, 598 V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1, 599 V4L2_MPEG_STREAM_VBI_FMT_NONE); 600 return cx2341x_ctrl_query_fill(qctrl, 601 V4L2_MPEG_STREAM_VBI_FMT_NONE, 602 V4L2_MPEG_STREAM_VBI_FMT_NONE, 1, 603 default_params.stream_vbi_fmt); 604 605 case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: 606 return v4l2_ctrl_query_fill(qctrl, 607 V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100, 608 V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1, 609 V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000); 610 611 case V4L2_CID_MPEG_AUDIO_ENCODING: 612 if (params->capabilities & CX2341X_CAP_HAS_AC3) { 613 /* 614 * The state of L2 & AC3 bitrate controls can change 615 * when this control changes, but v4l2_ctrl_query_fill() 616 * already sets V4L2_CTRL_FLAG_UPDATE for 617 * V4L2_CID_MPEG_AUDIO_ENCODING, so we don't here. 618 */ 619 return v4l2_ctrl_query_fill(qctrl, 620 V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 621 V4L2_MPEG_AUDIO_ENCODING_AC3, 1, 622 default_params.audio_encoding); 623 } 624 625 return v4l2_ctrl_query_fill(qctrl, 626 V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 627 V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1, 628 default_params.audio_encoding); 629 630 case V4L2_CID_MPEG_AUDIO_L2_BITRATE: 631 err = v4l2_ctrl_query_fill(qctrl, 632 V4L2_MPEG_AUDIO_L2_BITRATE_192K, 633 V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1, 634 default_params.audio_l2_bitrate); 635 if (err) 636 return err; 637 if (params->capabilities & CX2341X_CAP_HAS_AC3 && 638 params->audio_encoding != V4L2_MPEG_AUDIO_ENCODING_LAYER_2) 639 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 640 return 0; 641 642 case V4L2_CID_MPEG_AUDIO_MODE: 643 return v4l2_ctrl_query_fill(qctrl, 644 V4L2_MPEG_AUDIO_MODE_STEREO, 645 V4L2_MPEG_AUDIO_MODE_MONO, 1, 646 V4L2_MPEG_AUDIO_MODE_STEREO); 647 648 case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: 649 err = v4l2_ctrl_query_fill(qctrl, 650 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4, 651 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1, 652 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4); 653 if (err == 0 && 654 params->audio_mode != V4L2_MPEG_AUDIO_MODE_JOINT_STEREO) 655 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 656 return err; 657 658 case V4L2_CID_MPEG_AUDIO_EMPHASIS: 659 return v4l2_ctrl_query_fill(qctrl, 660 V4L2_MPEG_AUDIO_EMPHASIS_NONE, 661 V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1, 662 V4L2_MPEG_AUDIO_EMPHASIS_NONE); 663 664 case V4L2_CID_MPEG_AUDIO_CRC: 665 return v4l2_ctrl_query_fill(qctrl, 666 V4L2_MPEG_AUDIO_CRC_NONE, 667 V4L2_MPEG_AUDIO_CRC_CRC16, 1, 668 V4L2_MPEG_AUDIO_CRC_NONE); 669 670 case V4L2_CID_MPEG_AUDIO_MUTE: 671 return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); 672 673 case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: 674 err = v4l2_ctrl_query_fill(qctrl, 675 V4L2_MPEG_AUDIO_AC3_BITRATE_48K, 676 V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 1, 677 default_params.audio_ac3_bitrate); 678 if (err) 679 return err; 680 if (params->capabilities & CX2341X_CAP_HAS_AC3) { 681 if (params->audio_encoding != 682 V4L2_MPEG_AUDIO_ENCODING_AC3) 683 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 684 } else 685 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; 686 return 0; 687 688 case V4L2_CID_MPEG_VIDEO_ENCODING: 689 /* this setting is read-only for the cx2341x since the 690 V4L2_CID_MPEG_STREAM_TYPE really determines the 691 MPEG-1/2 setting */ 692 err = v4l2_ctrl_query_fill(qctrl, 693 V4L2_MPEG_VIDEO_ENCODING_MPEG_1, 694 V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1, 695 V4L2_MPEG_VIDEO_ENCODING_MPEG_2); 696 if (err == 0) 697 qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; 698 return err; 699 700 case V4L2_CID_MPEG_VIDEO_ASPECT: 701 return v4l2_ctrl_query_fill(qctrl, 702 V4L2_MPEG_VIDEO_ASPECT_1x1, 703 V4L2_MPEG_VIDEO_ASPECT_221x100, 1, 704 V4L2_MPEG_VIDEO_ASPECT_4x3); 705 706 case V4L2_CID_MPEG_VIDEO_B_FRAMES: 707 return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2); 708 709 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 710 return v4l2_ctrl_query_fill(qctrl, 1, 34, 1, 711 params->is_50hz ? 12 : 15); 712 713 case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: 714 return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1); 715 716 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: 717 err = v4l2_ctrl_query_fill(qctrl, 718 V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, 719 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1, 720 V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); 721 if (err == 0 && 722 params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) 723 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 724 return err; 725 726 case V4L2_CID_MPEG_VIDEO_BITRATE: 727 return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000); 728 729 case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: 730 err = v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000); 731 if (err == 0 && 732 params->video_bitrate_mode == 733 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) 734 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 735 return err; 736 737 case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: 738 return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0); 739 740 case V4L2_CID_MPEG_VIDEO_MUTE: 741 return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); 742 743 case V4L2_CID_MPEG_VIDEO_MUTE_YUV: /* Init YUV (really YCbCr) to black */ 744 return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080); 745 746 /* CX23415/6 specific */ 747 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 748 return cx2341x_ctrl_query_fill(qctrl, 749 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL, 750 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 1, 751 default_params.video_spatial_filter_mode); 752 753 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: 754 cx2341x_ctrl_query_fill(qctrl, 0, 15, 1, 755 default_params.video_spatial_filter); 756 qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; 757 if (params->video_spatial_filter_mode == 758 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO) 759 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 760 return 0; 761 762 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 763 cx2341x_ctrl_query_fill(qctrl, 764 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF, 765 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE, 766 1, 767 default_params.video_luma_spatial_filter_type); 768 if (params->video_spatial_filter_mode == 769 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO) 770 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 771 return 0; 772 773 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 774 cx2341x_ctrl_query_fill(qctrl, 775 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF, 776 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR, 777 1, 778 default_params.video_chroma_spatial_filter_type); 779 if (params->video_spatial_filter_mode == 780 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO) 781 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 782 return 0; 783 784 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 785 return cx2341x_ctrl_query_fill(qctrl, 786 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL, 787 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO, 1, 788 default_params.video_temporal_filter_mode); 789 790 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER: 791 cx2341x_ctrl_query_fill(qctrl, 0, 31, 1, 792 default_params.video_temporal_filter); 793 qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; 794 if (params->video_temporal_filter_mode == 795 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO) 796 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 797 return 0; 798 799 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 800 return cx2341x_ctrl_query_fill(qctrl, 801 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF, 802 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG, 1, 803 default_params.video_median_filter_type); 804 805 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: 806 cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 807 default_params.video_luma_median_filter_top); 808 qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; 809 if (params->video_median_filter_type == 810 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) 811 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 812 return 0; 813 814 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM: 815 cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 816 default_params.video_luma_median_filter_bottom); 817 qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; 818 if (params->video_median_filter_type == 819 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) 820 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 821 return 0; 822 823 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP: 824 cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 825 default_params.video_chroma_median_filter_top); 826 qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; 827 if (params->video_median_filter_type == 828 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) 829 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 830 return 0; 831 832 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM: 833 cx2341x_ctrl_query_fill(qctrl, 0, 255, 1, 834 default_params.video_chroma_median_filter_bottom); 835 qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; 836 if (params->video_median_filter_type == 837 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF) 838 qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; 839 return 0; 840 841 case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: 842 return cx2341x_ctrl_query_fill(qctrl, 0, 1, 1, 843 default_params.stream_insert_nav_packets); 844 845 default: 846 return -EINVAL; 847 848 } 849 } 850 EXPORT_SYMBOL(cx2341x_ctrl_query); 851 852 const char * const *cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id) 853 { 854 static const char * const mpeg_stream_type_without_ts[] = { 855 "MPEG-2 Program Stream", 856 "", 857 "MPEG-1 System Stream", 858 "MPEG-2 DVD-compatible Stream", 859 "MPEG-1 VCD-compatible Stream", 860 "MPEG-2 SVCD-compatible Stream", 861 NULL 862 }; 863 864 static const char *mpeg_stream_type_with_ts[] = { 865 "MPEG-2 Program Stream", 866 "MPEG-2 Transport Stream", 867 "MPEG-1 System Stream", 868 "MPEG-2 DVD-compatible Stream", 869 "MPEG-1 VCD-compatible Stream", 870 "MPEG-2 SVCD-compatible Stream", 871 NULL 872 }; 873 874 static const char *mpeg_audio_encoding_l2_ac3[] = { 875 "", 876 "MPEG-1/2 Layer II", 877 "", 878 "", 879 "AC-3", 880 NULL 881 }; 882 883 switch (id) { 884 case V4L2_CID_MPEG_STREAM_TYPE: 885 return (p->capabilities & CX2341X_CAP_HAS_TS) ? 886 mpeg_stream_type_with_ts : mpeg_stream_type_without_ts; 887 case V4L2_CID_MPEG_AUDIO_ENCODING: 888 return (p->capabilities & CX2341X_CAP_HAS_AC3) ? 889 mpeg_audio_encoding_l2_ac3 : v4l2_ctrl_get_menu(id); 890 case V4L2_CID_MPEG_AUDIO_L1_BITRATE: 891 case V4L2_CID_MPEG_AUDIO_L3_BITRATE: 892 return NULL; 893 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: 894 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 895 case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE: 896 case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE: 897 case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE: 898 return cx2341x_get_menu(id); 899 default: 900 return v4l2_ctrl_get_menu(id); 901 } 902 } 903 EXPORT_SYMBOL(cx2341x_ctrl_get_menu); 904 905 static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params) 906 { 907 params->audio_properties = 908 (params->audio_sampling_freq << 0) | 909 (params->audio_mode << 8) | 910 (params->audio_mode_extension << 10) | 911 (((params->audio_emphasis == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17) 912 ? 3 : params->audio_emphasis) << 12) | 913 (params->audio_crc << 14); 914 915 if ((params->capabilities & CX2341X_CAP_HAS_AC3) && 916 params->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) { 917 params->audio_properties |= 918 /* Not sure if this MPEG Layer II setting is required */ 919 ((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) | 920 (params->audio_ac3_bitrate << 4) | 921 (CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28); 922 } else { 923 /* Assuming MPEG Layer II */ 924 params->audio_properties |= 925 ((3 - params->audio_encoding) << 2) | 926 ((1 + params->audio_l2_bitrate) << 4); 927 } 928 } 929 930 /* Check for correctness of the ctrl's value based on the data from 931 struct v4l2_queryctrl and the available menu items. Note that 932 menu_items may be NULL, in that case it is ignored. */ 933 static int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, 934 const char * const *menu_items) 935 { 936 if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED) 937 return -EINVAL; 938 if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED) 939 return -EBUSY; 940 if (qctrl->type == V4L2_CTRL_TYPE_STRING) 941 return 0; 942 if (qctrl->type == V4L2_CTRL_TYPE_BUTTON || 943 qctrl->type == V4L2_CTRL_TYPE_INTEGER64 || 944 qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS) 945 return 0; 946 if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum) 947 return -ERANGE; 948 if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) { 949 if (menu_items[ctrl->value] == NULL || 950 menu_items[ctrl->value][0] == '\0') 951 return -EINVAL; 952 } 953 if (qctrl->type == V4L2_CTRL_TYPE_BITMASK && 954 (ctrl->value & ~qctrl->maximum)) 955 return -ERANGE; 956 return 0; 957 } 958 959 int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy, 960 struct v4l2_ext_controls *ctrls, unsigned int cmd) 961 { 962 int err = 0; 963 int i; 964 965 if (cmd == VIDIOC_G_EXT_CTRLS) { 966 for (i = 0; i < ctrls->count; i++) { 967 struct v4l2_ext_control *ctrl = ctrls->controls + i; 968 969 err = cx2341x_get_ctrl(params, ctrl); 970 if (err) { 971 ctrls->error_idx = i; 972 break; 973 } 974 } 975 return err; 976 } 977 for (i = 0; i < ctrls->count; i++) { 978 struct v4l2_ext_control *ctrl = ctrls->controls + i; 979 struct v4l2_queryctrl qctrl; 980 const char * const *menu_items = NULL; 981 982 qctrl.id = ctrl->id; 983 err = cx2341x_ctrl_query(params, &qctrl); 984 if (err) 985 break; 986 if (qctrl.type == V4L2_CTRL_TYPE_MENU) 987 menu_items = cx2341x_ctrl_get_menu(params, qctrl.id); 988 err = v4l2_ctrl_check(ctrl, &qctrl, menu_items); 989 if (err) 990 break; 991 err = cx2341x_set_ctrl(params, busy, ctrl); 992 if (err) 993 break; 994 } 995 if (err == 0 && 996 params->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && 997 params->video_bitrate_peak < params->video_bitrate) { 998 err = -ERANGE; 999 ctrls->error_idx = ctrls->count; 1000 } 1001 if (err) 1002 ctrls->error_idx = i; 1003 else 1004 cx2341x_calc_audio_properties(params); 1005 return err; 1006 } 1007 EXPORT_SYMBOL(cx2341x_ext_ctrls); 1008 1009 void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p) 1010 { 1011 *p = default_params; 1012 cx2341x_calc_audio_properties(p); 1013 } 1014 EXPORT_SYMBOL(cx2341x_fill_defaults); 1015 1016 static int cx2341x_api(void *priv, cx2341x_mbox_func func, 1017 u32 cmd, int args, ...) 1018 { 1019 u32 data[CX2341X_MBOX_MAX_DATA]; 1020 va_list vargs; 1021 int i; 1022 1023 va_start(vargs, args); 1024 1025 for (i = 0; i < args; i++) 1026 data[i] = va_arg(vargs, int); 1027 va_end(vargs); 1028 return func(priv, cmd, args, 0, data); 1029 } 1030 1031 #define NEQ(field) (old->field != new->field) 1032 1033 int cx2341x_update(void *priv, cx2341x_mbox_func func, 1034 const struct cx2341x_mpeg_params *old, 1035 const struct cx2341x_mpeg_params *new) 1036 { 1037 static int mpeg_stream_type[] = { 1038 0, /* MPEG-2 PS */ 1039 1, /* MPEG-2 TS */ 1040 2, /* MPEG-1 SS */ 1041 14, /* DVD */ 1042 11, /* VCD */ 1043 12, /* SVCD */ 1044 }; 1045 1046 int err = 0; 1047 int force = (old == NULL); 1048 u16 temporal = new->video_temporal_filter; 1049 1050 cx2341x_api(priv, func, CX2341X_ENC_SET_OUTPUT_PORT, 2, new->port, 0); 1051 1052 if (force || NEQ(is_50hz)) { 1053 err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_RATE, 1, 1054 new->is_50hz); 1055 if (err) return err; 1056 } 1057 1058 if (force || NEQ(width) || NEQ(height) || NEQ(video_encoding)) { 1059 u16 w = new->width; 1060 u16 h = new->height; 1061 1062 if (new->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) { 1063 w /= 2; 1064 h /= 2; 1065 } 1066 err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_SIZE, 2, 1067 h, w); 1068 if (err) return err; 1069 } 1070 if (force || NEQ(stream_type)) { 1071 err = cx2341x_api(priv, func, CX2341X_ENC_SET_STREAM_TYPE, 1, 1072 mpeg_stream_type[new->stream_type]); 1073 if (err) return err; 1074 } 1075 if (force || NEQ(video_aspect)) { 1076 err = cx2341x_api(priv, func, CX2341X_ENC_SET_ASPECT_RATIO, 1, 1077 1 + new->video_aspect); 1078 if (err) return err; 1079 } 1080 if (force || NEQ(video_b_frames) || NEQ(video_gop_size)) { 1081 err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_PROPERTIES, 2, 1082 new->video_gop_size, new->video_b_frames + 1); 1083 if (err) return err; 1084 } 1085 if (force || NEQ(video_gop_closure)) { 1086 err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_CLOSURE, 1, 1087 new->video_gop_closure); 1088 if (err) return err; 1089 } 1090 if (force || NEQ(audio_properties)) { 1091 err = cx2341x_api(priv, func, CX2341X_ENC_SET_AUDIO_PROPERTIES, 1092 1, new->audio_properties); 1093 if (err) return err; 1094 } 1095 if (force || NEQ(audio_mute)) { 1096 err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_AUDIO, 1, 1097 new->audio_mute); 1098 if (err) return err; 1099 } 1100 if (force || NEQ(video_bitrate_mode) || NEQ(video_bitrate) || 1101 NEQ(video_bitrate_peak)) { 1102 err = cx2341x_api(priv, func, CX2341X_ENC_SET_BIT_RATE, 5, 1103 new->video_bitrate_mode, new->video_bitrate, 1104 new->video_bitrate_peak / 400, 0, 0); 1105 if (err) return err; 1106 } 1107 if (force || NEQ(video_spatial_filter_mode) || 1108 NEQ(video_temporal_filter_mode) || 1109 NEQ(video_median_filter_type)) { 1110 err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_MODE, 1111 2, new->video_spatial_filter_mode | 1112 (new->video_temporal_filter_mode << 1), 1113 new->video_median_filter_type); 1114 if (err) return err; 1115 } 1116 if (force || NEQ(video_luma_median_filter_bottom) || 1117 NEQ(video_luma_median_filter_top) || 1118 NEQ(video_chroma_median_filter_bottom) || 1119 NEQ(video_chroma_median_filter_top)) { 1120 err = cx2341x_api(priv, func, CX2341X_ENC_SET_CORING_LEVELS, 4, 1121 new->video_luma_median_filter_bottom, 1122 new->video_luma_median_filter_top, 1123 new->video_chroma_median_filter_bottom, 1124 new->video_chroma_median_filter_top); 1125 if (err) return err; 1126 } 1127 if (force || NEQ(video_luma_spatial_filter_type) || 1128 NEQ(video_chroma_spatial_filter_type)) { 1129 err = cx2341x_api(priv, func, 1130 CX2341X_ENC_SET_SPATIAL_FILTER_TYPE, 1131 2, new->video_luma_spatial_filter_type, 1132 new->video_chroma_spatial_filter_type); 1133 if (err) return err; 1134 } 1135 if (force || NEQ(video_spatial_filter) || 1136 old->video_temporal_filter != temporal) { 1137 err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_PROPS, 1138 2, new->video_spatial_filter, temporal); 1139 if (err) return err; 1140 } 1141 if (force || NEQ(video_temporal_decimation)) { 1142 err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_DROP_RATE, 1143 1, new->video_temporal_decimation); 1144 if (err) return err; 1145 } 1146 if (force || NEQ(video_mute) || 1147 (new->video_mute && NEQ(video_mute_yuv))) { 1148 err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_VIDEO, 1, 1149 new->video_mute | (new->video_mute_yuv << 8)); 1150 if (err) return err; 1151 } 1152 if (force || NEQ(stream_insert_nav_packets)) { 1153 err = cx2341x_api(priv, func, CX2341X_ENC_MISC, 2, 1154 7, new->stream_insert_nav_packets); 1155 if (err) return err; 1156 } 1157 return 0; 1158 } 1159 EXPORT_SYMBOL(cx2341x_update); 1160 1161 static const char *cx2341x_menu_item(const struct cx2341x_mpeg_params *p, u32 id) 1162 { 1163 const char * const *menu = cx2341x_ctrl_get_menu(p, id); 1164 struct v4l2_ext_control ctrl; 1165 1166 if (menu == NULL) 1167 goto invalid; 1168 ctrl.id = id; 1169 if (cx2341x_get_ctrl(p, &ctrl)) 1170 goto invalid; 1171 while (ctrl.value-- && *menu) menu++; 1172 if (*menu == NULL) 1173 goto invalid; 1174 return *menu; 1175 1176 invalid: 1177 return "<invalid>"; 1178 } 1179 1180 void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix) 1181 { 1182 int is_mpeg1 = p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; 1183 1184 /* Stream */ 1185 printk(KERN_INFO "%s: Stream: %s", 1186 prefix, 1187 cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE)); 1188 if (p->stream_insert_nav_packets) 1189 printk(KERN_CONT " (with navigation packets)"); 1190 printk(KERN_CONT "\n"); 1191 printk(KERN_INFO "%s: VBI Format: %s\n", 1192 prefix, 1193 cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_VBI_FMT)); 1194 1195 /* Video */ 1196 printk(KERN_INFO "%s: Video: %dx%d, %d fps%s\n", 1197 prefix, 1198 p->width / (is_mpeg1 ? 2 : 1), p->height / (is_mpeg1 ? 2 : 1), 1199 p->is_50hz ? 25 : 30, 1200 (p->video_mute) ? " (muted)" : ""); 1201 printk(KERN_INFO "%s: Video: %s, %s, %s, %d", 1202 prefix, 1203 cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ENCODING), 1204 cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ASPECT), 1205 cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_BITRATE_MODE), 1206 p->video_bitrate); 1207 if (p->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) 1208 printk(KERN_CONT ", Peak %d", p->video_bitrate_peak); 1209 printk(KERN_CONT "\n"); 1210 printk(KERN_INFO 1211 "%s: Video: GOP Size %d, %d B-Frames, %sGOP Closure\n", 1212 prefix, 1213 p->video_gop_size, p->video_b_frames, 1214 p->video_gop_closure ? "" : "No "); 1215 if (p->video_temporal_decimation) 1216 printk(KERN_INFO "%s: Video: Temporal Decimation %d\n", 1217 prefix, p->video_temporal_decimation); 1218 1219 /* Audio */ 1220 printk(KERN_INFO "%s: Audio: %s, %s, %s, %s%s", 1221 prefix, 1222 cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ), 1223 cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_ENCODING), 1224 cx2341x_menu_item(p, 1225 p->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3 1226 ? V4L2_CID_MPEG_AUDIO_AC3_BITRATE 1227 : V4L2_CID_MPEG_AUDIO_L2_BITRATE), 1228 cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE), 1229 p->audio_mute ? " (muted)" : ""); 1230 if (p->audio_mode == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO) 1231 printk(KERN_CONT ", %s", cx2341x_menu_item(p, 1232 V4L2_CID_MPEG_AUDIO_MODE_EXTENSION)); 1233 printk(KERN_CONT ", %s, %s\n", 1234 cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_EMPHASIS), 1235 cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_CRC)); 1236 1237 /* Encoding filters */ 1238 printk(KERN_INFO "%s: Spatial Filter: %s, Luma %s, Chroma %s, %d\n", 1239 prefix, 1240 cx2341x_menu_item(p, 1241 V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE), 1242 cx2341x_menu_item(p, 1243 V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE), 1244 cx2341x_menu_item(p, 1245 V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE), 1246 p->video_spatial_filter); 1247 1248 printk(KERN_INFO "%s: Temporal Filter: %s, %d\n", 1249 prefix, 1250 cx2341x_menu_item(p, 1251 V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE), 1252 p->video_temporal_filter); 1253 printk(KERN_INFO 1254 "%s: Median Filter: %s, Luma [%d, %d], Chroma [%d, %d]\n", 1255 prefix, 1256 cx2341x_menu_item(p, 1257 V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE), 1258 p->video_luma_median_filter_bottom, 1259 p->video_luma_median_filter_top, 1260 p->video_chroma_median_filter_bottom, 1261 p->video_chroma_median_filter_top); 1262 } 1263 EXPORT_SYMBOL(cx2341x_log_status); 1264 1265 1266 1267 /********************** NEW CODE *********************/ 1268 1269 static inline struct cx2341x_handler *to_cxhdl(struct v4l2_ctrl *ctrl) 1270 { 1271 return container_of(ctrl->handler, struct cx2341x_handler, hdl); 1272 } 1273 1274 static int cx2341x_hdl_api(struct cx2341x_handler *hdl, 1275 u32 cmd, int args, ...) 1276 { 1277 u32 data[CX2341X_MBOX_MAX_DATA]; 1278 va_list vargs; 1279 int i; 1280 1281 va_start(vargs, args); 1282 1283 for (i = 0; i < args; i++) 1284 data[i] = va_arg(vargs, int); 1285 va_end(vargs); 1286 return hdl->func(hdl->priv, cmd, args, 0, data); 1287 } 1288 1289 /* ctrl->handler->lock is held, so it is safe to access cur.val */ 1290 static inline int cx2341x_neq(struct v4l2_ctrl *ctrl) 1291 { 1292 return ctrl && ctrl->val != ctrl->cur.val; 1293 } 1294 1295 static int cx2341x_try_ctrl(struct v4l2_ctrl *ctrl) 1296 { 1297 struct cx2341x_handler *hdl = to_cxhdl(ctrl); 1298 s32 val = ctrl->val; 1299 1300 switch (ctrl->id) { 1301 case V4L2_CID_MPEG_VIDEO_B_FRAMES: { 1302 /* video gop cluster */ 1303 int b = val + 1; 1304 int gop = hdl->video_gop_size->val; 1305 1306 gop = b * ((gop + b - 1) / b); 1307 1308 /* Max GOP size = 34 */ 1309 while (gop > 34) 1310 gop -= b; 1311 hdl->video_gop_size->val = gop; 1312 break; 1313 } 1314 1315 case V4L2_CID_MPEG_STREAM_TYPE: 1316 /* stream type cluster */ 1317 hdl->video_encoding->val = 1318 (hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_SS || 1319 hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ? 1320 V4L2_MPEG_VIDEO_ENCODING_MPEG_1 : 1321 V4L2_MPEG_VIDEO_ENCODING_MPEG_2; 1322 if (hdl->video_encoding->val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) 1323 /* MPEG-1 implies CBR */ 1324 hdl->video_bitrate_mode->val = 1325 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR; 1326 /* peak bitrate shall be >= normal bitrate */ 1327 if (hdl->video_bitrate_mode->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && 1328 hdl->video_bitrate_peak->val < hdl->video_bitrate->val) 1329 hdl->video_bitrate_peak->val = hdl->video_bitrate->val; 1330 break; 1331 } 1332 return 0; 1333 } 1334 1335 static int cx2341x_s_ctrl(struct v4l2_ctrl *ctrl) 1336 { 1337 static const int mpeg_stream_type[] = { 1338 0, /* MPEG-2 PS */ 1339 1, /* MPEG-2 TS */ 1340 2, /* MPEG-1 SS */ 1341 14, /* DVD */ 1342 11, /* VCD */ 1343 12, /* SVCD */ 1344 }; 1345 struct cx2341x_handler *hdl = to_cxhdl(ctrl); 1346 s32 val = ctrl->val; 1347 u32 props; 1348 int err; 1349 1350 switch (ctrl->id) { 1351 case V4L2_CID_MPEG_STREAM_VBI_FMT: 1352 if (hdl->ops && hdl->ops->s_stream_vbi_fmt) 1353 return hdl->ops->s_stream_vbi_fmt(hdl, val); 1354 return 0; 1355 1356 case V4L2_CID_MPEG_VIDEO_ASPECT: 1357 return cx2341x_hdl_api(hdl, 1358 CX2341X_ENC_SET_ASPECT_RATIO, 1, val + 1); 1359 1360 case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: 1361 return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_CLOSURE, 1, val); 1362 1363 case V4L2_CID_MPEG_AUDIO_MUTE: 1364 return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_AUDIO, 1, val); 1365 1366 case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: 1367 return cx2341x_hdl_api(hdl, 1368 CX2341X_ENC_SET_FRAME_DROP_RATE, 1, val); 1369 1370 case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS: 1371 return cx2341x_hdl_api(hdl, CX2341X_ENC_MISC, 2, 7, val); 1372 1373 case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: 1374 /* audio properties cluster */ 1375 props = (hdl->audio_sampling_freq->val << 0) | 1376 (hdl->audio_mode->val << 8) | 1377 (hdl->audio_mode_extension->val << 10) | 1378 (hdl->audio_crc->val << 14); 1379 if (hdl->audio_emphasis->val == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17) 1380 props |= 3 << 12; 1381 else 1382 props |= hdl->audio_emphasis->val << 12; 1383 1384 if (hdl->audio_encoding->val == V4L2_MPEG_AUDIO_ENCODING_AC3) { 1385 props |= 1386 #if 1 1387 /* Not sure if this MPEG Layer II setting is required */ 1388 ((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) | 1389 #endif 1390 (hdl->audio_ac3_bitrate->val << 4) | 1391 (CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28); 1392 } else { 1393 /* Assuming MPEG Layer II */ 1394 props |= 1395 ((3 - hdl->audio_encoding->val) << 2) | 1396 ((1 + hdl->audio_l2_bitrate->val) << 4); 1397 } 1398 err = cx2341x_hdl_api(hdl, 1399 CX2341X_ENC_SET_AUDIO_PROPERTIES, 1, props); 1400 if (err) 1401 return err; 1402 1403 hdl->audio_properties = props; 1404 if (hdl->audio_ac3_bitrate) { 1405 int is_ac3 = hdl->audio_encoding->val == 1406 V4L2_MPEG_AUDIO_ENCODING_AC3; 1407 1408 v4l2_ctrl_activate(hdl->audio_ac3_bitrate, is_ac3); 1409 v4l2_ctrl_activate(hdl->audio_l2_bitrate, !is_ac3); 1410 } 1411 v4l2_ctrl_activate(hdl->audio_mode_extension, 1412 hdl->audio_mode->val == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO); 1413 if (cx2341x_neq(hdl->audio_sampling_freq) && 1414 hdl->ops && hdl->ops->s_audio_sampling_freq) 1415 return hdl->ops->s_audio_sampling_freq(hdl, hdl->audio_sampling_freq->val); 1416 if (cx2341x_neq(hdl->audio_mode) && 1417 hdl->ops && hdl->ops->s_audio_mode) 1418 return hdl->ops->s_audio_mode(hdl, hdl->audio_mode->val); 1419 return 0; 1420 1421 case V4L2_CID_MPEG_VIDEO_B_FRAMES: 1422 /* video gop cluster */ 1423 return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_PROPERTIES, 2, 1424 hdl->video_gop_size->val, 1425 hdl->video_b_frames->val + 1); 1426 1427 case V4L2_CID_MPEG_STREAM_TYPE: 1428 /* stream type cluster */ 1429 err = cx2341x_hdl_api(hdl, 1430 CX2341X_ENC_SET_STREAM_TYPE, 1, mpeg_stream_type[val]); 1431 if (err) 1432 return err; 1433 1434 err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_BIT_RATE, 5, 1435 hdl->video_bitrate_mode->val, 1436 hdl->video_bitrate->val, 1437 hdl->video_bitrate_peak->val / 400, 0, 0); 1438 if (err) 1439 return err; 1440 1441 v4l2_ctrl_activate(hdl->video_bitrate_mode, 1442 hdl->video_encoding->val != V4L2_MPEG_VIDEO_ENCODING_MPEG_1); 1443 v4l2_ctrl_activate(hdl->video_bitrate_peak, 1444 hdl->video_bitrate_mode->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); 1445 if (cx2341x_neq(hdl->video_encoding) && 1446 hdl->ops && hdl->ops->s_video_encoding) 1447 return hdl->ops->s_video_encoding(hdl, hdl->video_encoding->val); 1448 return 0; 1449 1450 case V4L2_CID_MPEG_VIDEO_MUTE: 1451 /* video mute cluster */ 1452 return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_VIDEO, 1, 1453 hdl->video_mute->val | 1454 (hdl->video_mute_yuv->val << 8)); 1455 1456 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: { 1457 int active_filter; 1458 1459 /* video filter mode */ 1460 err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_MODE, 2, 1461 hdl->video_spatial_filter_mode->val | 1462 (hdl->video_temporal_filter_mode->val << 1), 1463 hdl->video_median_filter_type->val); 1464 if (err) 1465 return err; 1466 1467 active_filter = hdl->video_spatial_filter_mode->val != 1468 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO; 1469 v4l2_ctrl_activate(hdl->video_spatial_filter, active_filter); 1470 v4l2_ctrl_activate(hdl->video_luma_spatial_filter_type, active_filter); 1471 v4l2_ctrl_activate(hdl->video_chroma_spatial_filter_type, active_filter); 1472 active_filter = hdl->video_temporal_filter_mode->val != 1473 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO; 1474 v4l2_ctrl_activate(hdl->video_temporal_filter, active_filter); 1475 active_filter = hdl->video_median_filter_type->val != 1476 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF; 1477 v4l2_ctrl_activate(hdl->video_luma_median_filter_bottom, active_filter); 1478 v4l2_ctrl_activate(hdl->video_luma_median_filter_top, active_filter); 1479 v4l2_ctrl_activate(hdl->video_chroma_median_filter_bottom, active_filter); 1480 v4l2_ctrl_activate(hdl->video_chroma_median_filter_top, active_filter); 1481 return 0; 1482 } 1483 1484 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE: 1485 /* video filter type cluster */ 1486 return cx2341x_hdl_api(hdl, 1487 CX2341X_ENC_SET_SPATIAL_FILTER_TYPE, 2, 1488 hdl->video_luma_spatial_filter_type->val, 1489 hdl->video_chroma_spatial_filter_type->val); 1490 1491 case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER: 1492 /* video filter cluster */ 1493 return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_PROPS, 2, 1494 hdl->video_spatial_filter->val, 1495 hdl->video_temporal_filter->val); 1496 1497 case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP: 1498 /* video median cluster */ 1499 return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_CORING_LEVELS, 4, 1500 hdl->video_luma_median_filter_bottom->val, 1501 hdl->video_luma_median_filter_top->val, 1502 hdl->video_chroma_median_filter_bottom->val, 1503 hdl->video_chroma_median_filter_top->val); 1504 } 1505 return -EINVAL; 1506 } 1507 1508 static const struct v4l2_ctrl_ops cx2341x_ops = { 1509 .try_ctrl = cx2341x_try_ctrl, 1510 .s_ctrl = cx2341x_s_ctrl, 1511 }; 1512 1513 static struct v4l2_ctrl *cx2341x_ctrl_new_custom(struct v4l2_ctrl_handler *hdl, 1514 u32 id, s32 min, s32 max, s32 step, s32 def) 1515 { 1516 struct v4l2_ctrl_config cfg; 1517 1518 memset(&cfg, 0, sizeof(cfg)); 1519 cx2341x_ctrl_fill(id, &cfg.name, &cfg.type, &min, &max, &step, &def, &cfg.flags); 1520 cfg.ops = &cx2341x_ops; 1521 cfg.id = id; 1522 cfg.min = min; 1523 cfg.max = max; 1524 cfg.def = def; 1525 if (cfg.type == V4L2_CTRL_TYPE_MENU) { 1526 cfg.step = 0; 1527 cfg.menu_skip_mask = step; 1528 cfg.qmenu = cx2341x_get_menu(id); 1529 } else { 1530 cfg.step = step; 1531 cfg.menu_skip_mask = 0; 1532 } 1533 return v4l2_ctrl_new_custom(hdl, &cfg, NULL); 1534 } 1535 1536 static struct v4l2_ctrl *cx2341x_ctrl_new_std(struct v4l2_ctrl_handler *hdl, 1537 u32 id, s32 min, s32 max, s32 step, s32 def) 1538 { 1539 return v4l2_ctrl_new_std(hdl, &cx2341x_ops, id, min, max, step, def); 1540 } 1541 1542 static struct v4l2_ctrl *cx2341x_ctrl_new_menu(struct v4l2_ctrl_handler *hdl, 1543 u32 id, s32 max, s32 mask, s32 def) 1544 { 1545 return v4l2_ctrl_new_std_menu(hdl, &cx2341x_ops, id, max, mask, def); 1546 } 1547 1548 int cx2341x_handler_init(struct cx2341x_handler *cxhdl, 1549 unsigned nr_of_controls_hint) 1550 { 1551 struct v4l2_ctrl_handler *hdl = &cxhdl->hdl; 1552 u32 caps = cxhdl->capabilities; 1553 int has_sliced_vbi = caps & CX2341X_CAP_HAS_SLICED_VBI; 1554 int has_ac3 = caps & CX2341X_CAP_HAS_AC3; 1555 int has_ts = caps & CX2341X_CAP_HAS_TS; 1556 1557 cxhdl->width = 720; 1558 cxhdl->height = 480; 1559 1560 v4l2_ctrl_handler_init(hdl, nr_of_controls_hint); 1561 1562 /* Add controls in ascending control ID order for fastest 1563 insertion time. */ 1564 cxhdl->stream_type = cx2341x_ctrl_new_menu(hdl, 1565 V4L2_CID_MPEG_STREAM_TYPE, 1566 V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, has_ts ? 0 : 2, 1567 V4L2_MPEG_STREAM_TYPE_MPEG2_PS); 1568 cxhdl->stream_vbi_fmt = cx2341x_ctrl_new_menu(hdl, 1569 V4L2_CID_MPEG_STREAM_VBI_FMT, 1570 V4L2_MPEG_STREAM_VBI_FMT_IVTV, has_sliced_vbi ? 0 : 2, 1571 V4L2_MPEG_STREAM_VBI_FMT_NONE); 1572 cxhdl->audio_sampling_freq = cx2341x_ctrl_new_menu(hdl, 1573 V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, 1574 V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 0, 1575 V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000); 1576 cxhdl->audio_encoding = cx2341x_ctrl_new_menu(hdl, 1577 V4L2_CID_MPEG_AUDIO_ENCODING, 1578 V4L2_MPEG_AUDIO_ENCODING_AC3, has_ac3 ? ~0x12 : ~0x2, 1579 V4L2_MPEG_AUDIO_ENCODING_LAYER_2); 1580 cxhdl->audio_l2_bitrate = cx2341x_ctrl_new_menu(hdl, 1581 V4L2_CID_MPEG_AUDIO_L2_BITRATE, 1582 V4L2_MPEG_AUDIO_L2_BITRATE_384K, 0x1ff, 1583 V4L2_MPEG_AUDIO_L2_BITRATE_224K); 1584 cxhdl->audio_mode = cx2341x_ctrl_new_menu(hdl, 1585 V4L2_CID_MPEG_AUDIO_MODE, 1586 V4L2_MPEG_AUDIO_MODE_MONO, 0, 1587 V4L2_MPEG_AUDIO_MODE_STEREO); 1588 cxhdl->audio_mode_extension = cx2341x_ctrl_new_menu(hdl, 1589 V4L2_CID_MPEG_AUDIO_MODE_EXTENSION, 1590 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 0, 1591 V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4); 1592 cxhdl->audio_emphasis = cx2341x_ctrl_new_menu(hdl, 1593 V4L2_CID_MPEG_AUDIO_EMPHASIS, 1594 V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 0, 1595 V4L2_MPEG_AUDIO_EMPHASIS_NONE); 1596 cxhdl->audio_crc = cx2341x_ctrl_new_menu(hdl, 1597 V4L2_CID_MPEG_AUDIO_CRC, 1598 V4L2_MPEG_AUDIO_CRC_CRC16, 0, 1599 V4L2_MPEG_AUDIO_CRC_NONE); 1600 1601 cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_AUDIO_MUTE, 0, 1, 1, 0); 1602 if (has_ac3) 1603 cxhdl->audio_ac3_bitrate = cx2341x_ctrl_new_menu(hdl, 1604 V4L2_CID_MPEG_AUDIO_AC3_BITRATE, 1605 V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 0x03, 1606 V4L2_MPEG_AUDIO_AC3_BITRATE_224K); 1607 cxhdl->video_encoding = cx2341x_ctrl_new_menu(hdl, 1608 V4L2_CID_MPEG_VIDEO_ENCODING, 1609 V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 0, 1610 V4L2_MPEG_VIDEO_ENCODING_MPEG_2); 1611 cx2341x_ctrl_new_menu(hdl, 1612 V4L2_CID_MPEG_VIDEO_ASPECT, 1613 V4L2_MPEG_VIDEO_ASPECT_221x100, 0, 1614 V4L2_MPEG_VIDEO_ASPECT_4x3); 1615 cxhdl->video_b_frames = cx2341x_ctrl_new_std(hdl, 1616 V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 33, 1, 2); 1617 cxhdl->video_gop_size = cx2341x_ctrl_new_std(hdl, 1618 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1619 1, 34, 1, cxhdl->is_50hz ? 12 : 15); 1620 cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 0, 1, 1, 1); 1621 cxhdl->video_bitrate_mode = cx2341x_ctrl_new_menu(hdl, 1622 V4L2_CID_MPEG_VIDEO_BITRATE_MODE, 1623 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0, 1624 V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); 1625 cxhdl->video_bitrate = cx2341x_ctrl_new_std(hdl, 1626 V4L2_CID_MPEG_VIDEO_BITRATE, 1627 0, 27000000, 1, 6000000); 1628 cxhdl->video_bitrate_peak = cx2341x_ctrl_new_std(hdl, 1629 V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, 1630 0, 27000000, 1, 8000000); 1631 cx2341x_ctrl_new_std(hdl, 1632 V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION, 0, 255, 1, 0); 1633 cxhdl->video_mute = cx2341x_ctrl_new_std(hdl, 1634 V4L2_CID_MPEG_VIDEO_MUTE, 0, 1, 1, 0); 1635 cxhdl->video_mute_yuv = cx2341x_ctrl_new_std(hdl, 1636 V4L2_CID_MPEG_VIDEO_MUTE_YUV, 0, 0xffffff, 1, 0x008080); 1637 1638 /* CX23415/6 specific */ 1639 cxhdl->video_spatial_filter_mode = cx2341x_ctrl_new_custom(hdl, 1640 V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE, 1641 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL, 1642 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 0, 1643 V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL); 1644 cxhdl->video_spatial_filter = cx2341x_ctrl_new_custom(hdl, 1645 V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER, 1646 0, 15, 1, 0); 1647 cxhdl->video_luma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl, 1648 V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE, 1649 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF, 1650 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE, 1651 0, 1652 V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR); 1653 cxhdl->video_chroma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl, 1654 V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE, 1655 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF, 1656 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR, 1657 0, 1658 V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR); 1659 cxhdl->video_temporal_filter_mode = cx2341x_ctrl_new_custom(hdl, 1660 V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE, 1661 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL, 1662 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO, 1663 0, 1664 V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL); 1665 cxhdl->video_temporal_filter = cx2341x_ctrl_new_custom(hdl, 1666 V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER, 1667 0, 31, 1, 8); 1668 cxhdl->video_median_filter_type = cx2341x_ctrl_new_custom(hdl, 1669 V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE, 1670 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF, 1671 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG, 1672 0, 1673 V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF); 1674 cxhdl->video_luma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl, 1675 V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM, 1676 0, 255, 1, 0); 1677 cxhdl->video_luma_median_filter_top = cx2341x_ctrl_new_custom(hdl, 1678 V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP, 1679 0, 255, 1, 255); 1680 cxhdl->video_chroma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl, 1681 V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM, 1682 0, 255, 1, 0); 1683 cxhdl->video_chroma_median_filter_top = cx2341x_ctrl_new_custom(hdl, 1684 V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP, 1685 0, 255, 1, 255); 1686 cx2341x_ctrl_new_custom(hdl, V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS, 1687 0, 1, 1, 0); 1688 1689 if (hdl->error) { 1690 int err = hdl->error; 1691 1692 v4l2_ctrl_handler_free(hdl); 1693 return err; 1694 } 1695 1696 v4l2_ctrl_cluster(8, &cxhdl->audio_sampling_freq); 1697 v4l2_ctrl_cluster(2, &cxhdl->video_b_frames); 1698 v4l2_ctrl_cluster(5, &cxhdl->stream_type); 1699 v4l2_ctrl_cluster(2, &cxhdl->video_mute); 1700 v4l2_ctrl_cluster(3, &cxhdl->video_spatial_filter_mode); 1701 v4l2_ctrl_cluster(2, &cxhdl->video_luma_spatial_filter_type); 1702 v4l2_ctrl_cluster(2, &cxhdl->video_spatial_filter); 1703 v4l2_ctrl_cluster(4, &cxhdl->video_luma_median_filter_top); 1704 1705 return 0; 1706 } 1707 EXPORT_SYMBOL(cx2341x_handler_init); 1708 1709 void cx2341x_handler_set_50hz(struct cx2341x_handler *cxhdl, int is_50hz) 1710 { 1711 cxhdl->is_50hz = is_50hz; 1712 cxhdl->video_gop_size->default_value = cxhdl->is_50hz ? 12 : 15; 1713 } 1714 EXPORT_SYMBOL(cx2341x_handler_set_50hz); 1715 1716 int cx2341x_handler_setup(struct cx2341x_handler *cxhdl) 1717 { 1718 int h = cxhdl->height; 1719 int w = cxhdl->width; 1720 int err; 1721 1722 err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_OUTPUT_PORT, 2, cxhdl->port, 0); 1723 if (err) 1724 return err; 1725 err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_RATE, 1, cxhdl->is_50hz); 1726 if (err) 1727 return err; 1728 1729 if (v4l2_ctrl_g_ctrl(cxhdl->video_encoding) == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) { 1730 w /= 2; 1731 h /= 2; 1732 } 1733 err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_SIZE, 2, h, w); 1734 if (err) 1735 return err; 1736 return v4l2_ctrl_handler_setup(&cxhdl->hdl); 1737 } 1738 EXPORT_SYMBOL(cx2341x_handler_setup); 1739 1740 void cx2341x_handler_set_busy(struct cx2341x_handler *cxhdl, int busy) 1741 { 1742 v4l2_ctrl_grab(cxhdl->audio_sampling_freq, busy); 1743 v4l2_ctrl_grab(cxhdl->audio_encoding, busy); 1744 v4l2_ctrl_grab(cxhdl->audio_l2_bitrate, busy); 1745 v4l2_ctrl_grab(cxhdl->audio_ac3_bitrate, busy); 1746 v4l2_ctrl_grab(cxhdl->stream_vbi_fmt, busy); 1747 v4l2_ctrl_grab(cxhdl->stream_type, busy); 1748 v4l2_ctrl_grab(cxhdl->video_bitrate_mode, busy); 1749 v4l2_ctrl_grab(cxhdl->video_bitrate, busy); 1750 v4l2_ctrl_grab(cxhdl->video_bitrate_peak, busy); 1751 } 1752 EXPORT_SYMBOL(cx2341x_handler_set_busy); 1753