1 /* 2 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com> 3 * 4 * Original author: 5 * Ben Collins <bcollins@ubuntu.com> 6 * 7 * Additional work by: 8 * John Brooks <john.brooks@bluecherry.net> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 */ 20 21 #include <linux/kernel.h> 22 #include <linux/module.h> 23 #include <linux/kthread.h> 24 #include <linux/freezer.h> 25 26 #include <media/v4l2-ioctl.h> 27 #include <media/v4l2-common.h> 28 #include <media/v4l2-event.h> 29 #include <media/videobuf2-dma-sg.h> 30 31 #include "solo6x10.h" 32 #include "solo6x10-tw28.h" 33 #include "solo6x10-jpeg.h" 34 35 #define MIN_VID_BUFFERS 2 36 #define FRAME_BUF_SIZE (196 * 1024) 37 #define MP4_QS 16 38 #define DMA_ALIGN 4096 39 40 /* 6010 M4V */ 41 static u8 vop_6010_ntsc_d1[] = { 42 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 43 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 44 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 45 0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f, 46 }; 47 48 static u8 vop_6010_ntsc_cif[] = { 49 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 50 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 51 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 52 0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f, 53 }; 54 55 static u8 vop_6010_pal_d1[] = { 56 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 57 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 58 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 59 0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f, 60 }; 61 62 static u8 vop_6010_pal_cif[] = { 63 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 64 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 65 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 66 0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f, 67 }; 68 69 /* 6110 h.264 */ 70 static u8 vop_6110_ntsc_d1[] = { 71 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 72 0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00, 73 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 74 }; 75 76 static u8 vop_6110_ntsc_cif[] = { 77 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 78 0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00, 79 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, 80 }; 81 82 static u8 vop_6110_pal_d1[] = { 83 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 84 0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00, 85 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 86 }; 87 88 static u8 vop_6110_pal_cif[] = { 89 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 90 0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00, 91 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, 92 }; 93 94 typedef __le32 vop_header[16]; 95 96 struct solo_enc_buf { 97 enum solo_enc_types type; 98 const vop_header *vh; 99 int motion; 100 }; 101 102 static int solo_is_motion_on(struct solo_enc_dev *solo_enc) 103 { 104 struct solo_dev *solo_dev = solo_enc->solo_dev; 105 106 return (solo_dev->motion_mask >> solo_enc->ch) & 1; 107 } 108 109 static int solo_motion_detected(struct solo_enc_dev *solo_enc) 110 { 111 struct solo_dev *solo_dev = solo_enc->solo_dev; 112 unsigned long flags; 113 u32 ch_mask = 1 << solo_enc->ch; 114 int ret = 0; 115 116 spin_lock_irqsave(&solo_enc->motion_lock, flags); 117 if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) { 118 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask); 119 ret = 1; 120 } 121 spin_unlock_irqrestore(&solo_enc->motion_lock, flags); 122 123 return ret; 124 } 125 126 static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on) 127 { 128 struct solo_dev *solo_dev = solo_enc->solo_dev; 129 u32 mask = 1 << solo_enc->ch; 130 unsigned long flags; 131 132 spin_lock_irqsave(&solo_enc->motion_lock, flags); 133 134 if (on) 135 solo_dev->motion_mask |= mask; 136 else 137 solo_dev->motion_mask &= ~mask; 138 139 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask); 140 141 solo_reg_write(solo_dev, SOLO_VI_MOT_ADR, 142 SOLO_VI_MOTION_EN(solo_dev->motion_mask) | 143 (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16)); 144 145 spin_unlock_irqrestore(&solo_enc->motion_lock, flags); 146 } 147 148 void solo_update_mode(struct solo_enc_dev *solo_enc) 149 { 150 struct solo_dev *solo_dev = solo_enc->solo_dev; 151 int vop_len; 152 u8 *vop; 153 154 solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0; 155 solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1); 156 157 if (solo_enc->mode == SOLO_ENC_MODE_CIF) { 158 solo_enc->width = solo_dev->video_hsize >> 1; 159 solo_enc->height = solo_dev->video_vsize; 160 if (solo_dev->type == SOLO_DEV_6110) { 161 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 162 vop = vop_6110_ntsc_cif; 163 vop_len = sizeof(vop_6110_ntsc_cif); 164 } else { 165 vop = vop_6110_pal_cif; 166 vop_len = sizeof(vop_6110_pal_cif); 167 } 168 } else { 169 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 170 vop = vop_6010_ntsc_cif; 171 vop_len = sizeof(vop_6010_ntsc_cif); 172 } else { 173 vop = vop_6010_pal_cif; 174 vop_len = sizeof(vop_6010_pal_cif); 175 } 176 } 177 } else { 178 solo_enc->width = solo_dev->video_hsize; 179 solo_enc->height = solo_dev->video_vsize << 1; 180 solo_enc->bw_weight <<= 2; 181 if (solo_dev->type == SOLO_DEV_6110) { 182 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 183 vop = vop_6110_ntsc_d1; 184 vop_len = sizeof(vop_6110_ntsc_d1); 185 } else { 186 vop = vop_6110_pal_d1; 187 vop_len = sizeof(vop_6110_pal_d1); 188 } 189 } else { 190 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 191 vop = vop_6010_ntsc_d1; 192 vop_len = sizeof(vop_6010_ntsc_d1); 193 } else { 194 vop = vop_6010_pal_d1; 195 vop_len = sizeof(vop_6010_pal_d1); 196 } 197 } 198 } 199 200 memcpy(solo_enc->vop, vop, vop_len); 201 202 /* Some fixups for 6010/M4V */ 203 if (solo_dev->type == SOLO_DEV_6010) { 204 u16 fps = solo_dev->fps * 1000; 205 u16 interval = solo_enc->interval * 1000; 206 207 vop = solo_enc->vop; 208 209 /* Frame rate and interval */ 210 vop[22] = fps >> 4; 211 vop[23] = ((fps << 4) & 0xf0) | 0x0c 212 | ((interval >> 13) & 0x3); 213 vop[24] = (interval >> 5) & 0xff; 214 vop[25] = ((interval << 3) & 0xf8) | 0x04; 215 } 216 217 solo_enc->vop_len = vop_len; 218 219 /* Now handle the jpeg header */ 220 vop = solo_enc->jpeg_header; 221 vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8); 222 vop[SOF0_START + 6] = 0xff & solo_enc->height; 223 vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8); 224 vop[SOF0_START + 8] = 0xff & solo_enc->width; 225 226 memcpy(vop + DQT_START, 227 jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN); 228 } 229 230 static int solo_enc_on(struct solo_enc_dev *solo_enc) 231 { 232 u8 ch = solo_enc->ch; 233 struct solo_dev *solo_dev = solo_enc->solo_dev; 234 u8 interval; 235 236 solo_update_mode(solo_enc); 237 238 /* Make sure to do a bandwidth check */ 239 if (solo_enc->bw_weight > solo_dev->enc_bw_remain) 240 return -EBUSY; 241 solo_enc->sequence = 0; 242 solo_dev->enc_bw_remain -= solo_enc->bw_weight; 243 244 if (solo_enc->type == SOLO_ENC_TYPE_EXT) 245 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1); 246 247 /* Disable all encoding for this channel */ 248 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0); 249 250 /* Common for both std and ext encoding */ 251 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch), 252 solo_enc->interlaced ? 1 : 0); 253 254 if (solo_enc->interlaced) 255 interval = solo_enc->interval - 1; 256 else 257 interval = solo_enc->interval; 258 259 /* Standard encoding only */ 260 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop); 261 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp); 262 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval); 263 264 /* Extended encoding only */ 265 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop); 266 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp); 267 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval); 268 269 /* Enables the standard encoder */ 270 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode); 271 272 return 0; 273 } 274 275 static void solo_enc_off(struct solo_enc_dev *solo_enc) 276 { 277 struct solo_dev *solo_dev = solo_enc->solo_dev; 278 279 solo_dev->enc_bw_remain += solo_enc->bw_weight; 280 281 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0); 282 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0); 283 } 284 285 static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma, 286 unsigned int off, unsigned int size) 287 { 288 int ret; 289 290 if (off > SOLO_MP4E_EXT_SIZE(solo_dev)) 291 return -EINVAL; 292 293 /* Single shot */ 294 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) { 295 return solo_p2m_dma_t(solo_dev, 0, dma, 296 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size, 297 0, 0); 298 } 299 300 /* Buffer wrap */ 301 ret = solo_p2m_dma_t(solo_dev, 0, dma, 302 SOLO_MP4E_EXT_ADDR(solo_dev) + off, 303 SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0); 304 305 if (!ret) { 306 ret = solo_p2m_dma_t(solo_dev, 0, 307 dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off, 308 SOLO_MP4E_EXT_ADDR(solo_dev), 309 size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0); 310 } 311 312 return ret; 313 } 314 315 /* Build a descriptor queue out of an SG list and send it to the P2M for 316 * processing. */ 317 static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip, 318 struct sg_table *vbuf, int off, int size, 319 unsigned int base, unsigned int base_size) 320 { 321 struct solo_dev *solo_dev = solo_enc->solo_dev; 322 struct scatterlist *sg; 323 int i; 324 int ret; 325 326 if (WARN_ON_ONCE(size > FRAME_BUF_SIZE)) 327 return -EINVAL; 328 329 solo_enc->desc_count = 1; 330 331 for_each_sg(vbuf->sgl, sg, vbuf->nents, i) { 332 struct solo_p2m_desc *desc; 333 dma_addr_t dma; 334 int len; 335 int left = base_size - off; 336 337 desc = &solo_enc->desc_items[solo_enc->desc_count++]; 338 dma = sg_dma_address(sg); 339 len = sg_dma_len(sg); 340 341 /* We assume this is smaller than the scatter size */ 342 BUG_ON(skip >= len); 343 if (skip) { 344 len -= skip; 345 dma += skip; 346 size -= skip; 347 skip = 0; 348 } 349 350 len = min(len, size); 351 352 if (len <= left) { 353 /* Single descriptor */ 354 solo_p2m_fill_desc(desc, 0, dma, base + off, 355 len, 0, 0); 356 } else { 357 /* Buffer wrap */ 358 /* XXX: Do these as separate DMA requests, to avoid 359 timeout errors triggered by awkwardly sized 360 descriptors. See 361 <https://github.com/bluecherrydvr/solo6x10/issues/8> 362 */ 363 ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off, 364 left, 0, 0); 365 if (ret) 366 return ret; 367 368 ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base, 369 len - left, 0, 0); 370 if (ret) 371 return ret; 372 373 solo_enc->desc_count--; 374 } 375 376 size -= len; 377 if (size <= 0) 378 break; 379 380 off += len; 381 if (off >= base_size) 382 off -= base_size; 383 384 /* Because we may use two descriptors per loop */ 385 if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) { 386 ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 387 solo_enc->desc_dma, 388 solo_enc->desc_count - 1); 389 if (ret) 390 return ret; 391 solo_enc->desc_count = 1; 392 } 393 } 394 395 if (solo_enc->desc_count <= 1) 396 return 0; 397 398 return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 399 solo_enc->desc_dma, solo_enc->desc_count - 1); 400 } 401 402 /* Extract values from VOP header - VE_STATUSxx */ 403 static inline int vop_interlaced(const vop_header *vh) 404 { 405 return (__le32_to_cpu((*vh)[0]) >> 30) & 1; 406 } 407 408 static inline u8 vop_channel(const vop_header *vh) 409 { 410 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; 411 } 412 413 static inline u8 vop_type(const vop_header *vh) 414 { 415 return (__le32_to_cpu((*vh)[0]) >> 22) & 3; 416 } 417 418 static inline u32 vop_mpeg_size(const vop_header *vh) 419 { 420 return __le32_to_cpu((*vh)[0]) & 0xFFFFF; 421 } 422 423 static inline u8 vop_hsize(const vop_header *vh) 424 { 425 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; 426 } 427 428 static inline u8 vop_vsize(const vop_header *vh) 429 { 430 return __le32_to_cpu((*vh)[1]) & 0xFF; 431 } 432 433 static inline u32 vop_mpeg_offset(const vop_header *vh) 434 { 435 return __le32_to_cpu((*vh)[2]); 436 } 437 438 static inline u32 vop_jpeg_offset(const vop_header *vh) 439 { 440 return __le32_to_cpu((*vh)[3]); 441 } 442 443 static inline u32 vop_jpeg_size(const vop_header *vh) 444 { 445 return __le32_to_cpu((*vh)[4]) & 0xFFFFF; 446 } 447 448 static inline u32 vop_sec(const vop_header *vh) 449 { 450 return __le32_to_cpu((*vh)[5]); 451 } 452 453 static inline u32 vop_usec(const vop_header *vh) 454 { 455 return __le32_to_cpu((*vh)[6]); 456 } 457 458 static int solo_fill_jpeg(struct solo_enc_dev *solo_enc, 459 struct vb2_buffer *vb, const vop_header *vh) 460 { 461 struct solo_dev *solo_dev = solo_enc->solo_dev; 462 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); 463 int frame_size; 464 465 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; 466 467 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len) 468 return -EIO; 469 470 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN); 471 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len); 472 473 return solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, 474 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), 475 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), 476 SOLO_JPEG_EXT_SIZE(solo_dev)); 477 } 478 479 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, 480 struct vb2_buffer *vb, const vop_header *vh) 481 { 482 struct solo_dev *solo_dev = solo_enc->solo_dev; 483 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); 484 int frame_off, frame_size; 485 int skip = 0; 486 487 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh)) 488 return -EIO; 489 490 /* If this is a key frame, add extra header */ 491 vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME | 492 V4L2_BUF_FLAG_BFRAME); 493 if (!vop_type(vh)) { 494 skip = solo_enc->vop_len; 495 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; 496 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + 497 solo_enc->vop_len); 498 } else { 499 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME; 500 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh)); 501 } 502 503 /* Now get the actual mpeg payload */ 504 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) + 505 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev); 506 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN); 507 508 return solo_send_desc(solo_enc, skip, vbuf, frame_off, frame_size, 509 SOLO_MP4E_EXT_ADDR(solo_dev), 510 SOLO_MP4E_EXT_SIZE(solo_dev)); 511 } 512 513 static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc, 514 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf) 515 { 516 const vop_header *vh = enc_buf->vh; 517 int ret; 518 519 switch (solo_enc->fmt) { 520 case V4L2_PIX_FMT_MPEG4: 521 case V4L2_PIX_FMT_H264: 522 ret = solo_fill_mpeg(solo_enc, vb, vh); 523 break; 524 default: /* V4L2_PIX_FMT_MJPEG */ 525 ret = solo_fill_jpeg(solo_enc, vb, vh); 526 break; 527 } 528 529 if (!ret) { 530 vb->v4l2_buf.sequence = solo_enc->sequence++; 531 vb->v4l2_buf.timestamp.tv_sec = vop_sec(vh); 532 vb->v4l2_buf.timestamp.tv_usec = vop_usec(vh); 533 534 /* Check for motion flags */ 535 if (solo_is_motion_on(solo_enc) && enc_buf->motion) { 536 struct v4l2_event ev = { 537 .type = V4L2_EVENT_MOTION_DET, 538 .u.motion_det = { 539 .flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, 540 .frame_sequence = vb->v4l2_buf.sequence, 541 .region_mask = enc_buf->motion ? 1 : 0, 542 }, 543 }; 544 545 v4l2_event_queue(solo_enc->vfd, &ev); 546 } 547 } 548 549 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 550 551 return ret; 552 } 553 554 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, 555 struct solo_enc_buf *enc_buf) 556 { 557 struct solo_vb2_buf *vb; 558 unsigned long flags; 559 560 mutex_lock(&solo_enc->lock); 561 if (solo_enc->type != enc_buf->type) 562 goto unlock; 563 564 spin_lock_irqsave(&solo_enc->av_lock, flags); 565 if (list_empty(&solo_enc->vidq_active)) { 566 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 567 goto unlock; 568 } 569 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, 570 list); 571 list_del(&vb->list); 572 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 573 574 solo_enc_fillbuf(solo_enc, &vb->vb, enc_buf); 575 unlock: 576 mutex_unlock(&solo_enc->lock); 577 } 578 579 void solo_enc_v4l2_isr(struct solo_dev *solo_dev) 580 { 581 wake_up_interruptible_all(&solo_dev->ring_thread_wait); 582 } 583 584 static void solo_handle_ring(struct solo_dev *solo_dev) 585 { 586 for (;;) { 587 struct solo_enc_dev *solo_enc; 588 struct solo_enc_buf enc_buf; 589 u32 mpeg_current, off; 590 u8 ch; 591 u8 cur_q; 592 593 /* Check if the hardware has any new ones in the queue */ 594 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; 595 if (cur_q == solo_dev->enc_idx) 596 break; 597 598 mpeg_current = solo_reg_read(solo_dev, 599 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); 600 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; 601 602 ch = (mpeg_current >> 24) & 0x1f; 603 off = mpeg_current & 0x00ffffff; 604 605 if (ch >= SOLO_MAX_CHANNELS) { 606 ch -= SOLO_MAX_CHANNELS; 607 enc_buf.type = SOLO_ENC_TYPE_EXT; 608 } else 609 enc_buf.type = SOLO_ENC_TYPE_STD; 610 611 solo_enc = solo_dev->v4l2_enc[ch]; 612 if (solo_enc == NULL) { 613 dev_err(&solo_dev->pdev->dev, 614 "Got spurious packet for channel %d\n", ch); 615 continue; 616 } 617 618 /* FAIL... */ 619 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, 620 sizeof(vop_header))) 621 continue; 622 623 enc_buf.vh = solo_dev->vh_buf; 624 625 /* Sanity check */ 626 if (vop_mpeg_offset(enc_buf.vh) != 627 SOLO_MP4E_EXT_ADDR(solo_dev) + off) 628 continue; 629 630 if (solo_motion_detected(solo_enc)) 631 enc_buf.motion = 1; 632 else 633 enc_buf.motion = 0; 634 635 solo_enc_handle_one(solo_enc, &enc_buf); 636 } 637 } 638 639 static int solo_ring_thread(void *data) 640 { 641 struct solo_dev *solo_dev = data; 642 DECLARE_WAITQUEUE(wait, current); 643 644 set_freezable(); 645 add_wait_queue(&solo_dev->ring_thread_wait, &wait); 646 647 for (;;) { 648 long timeout = schedule_timeout_interruptible(HZ); 649 650 if (timeout == -ERESTARTSYS || kthread_should_stop()) 651 break; 652 solo_handle_ring(solo_dev); 653 try_to_freeze(); 654 } 655 656 remove_wait_queue(&solo_dev->ring_thread_wait, &wait); 657 658 return 0; 659 } 660 661 static int solo_enc_queue_setup(struct vb2_queue *q, 662 const struct v4l2_format *fmt, 663 unsigned int *num_buffers, 664 unsigned int *num_planes, unsigned int sizes[], 665 void *alloc_ctxs[]) 666 { 667 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 668 669 sizes[0] = FRAME_BUF_SIZE; 670 alloc_ctxs[0] = solo_enc->alloc_ctx; 671 *num_planes = 1; 672 673 if (*num_buffers < MIN_VID_BUFFERS) 674 *num_buffers = MIN_VID_BUFFERS; 675 676 return 0; 677 } 678 679 static void solo_enc_buf_queue(struct vb2_buffer *vb) 680 { 681 struct vb2_queue *vq = vb->vb2_queue; 682 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); 683 struct solo_vb2_buf *solo_vb = 684 container_of(vb, struct solo_vb2_buf, vb); 685 686 spin_lock(&solo_enc->av_lock); 687 list_add_tail(&solo_vb->list, &solo_enc->vidq_active); 688 spin_unlock(&solo_enc->av_lock); 689 } 690 691 static int solo_ring_start(struct solo_dev *solo_dev) 692 { 693 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, 694 SOLO6X10_NAME "_ring"); 695 if (IS_ERR(solo_dev->ring_thread)) { 696 int err = PTR_ERR(solo_dev->ring_thread); 697 698 solo_dev->ring_thread = NULL; 699 return err; 700 } 701 702 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 703 704 return 0; 705 } 706 707 static void solo_ring_stop(struct solo_dev *solo_dev) 708 { 709 if (solo_dev->ring_thread) { 710 kthread_stop(solo_dev->ring_thread); 711 solo_dev->ring_thread = NULL; 712 } 713 714 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 715 } 716 717 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) 718 { 719 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 720 721 return solo_enc_on(solo_enc); 722 } 723 724 static void solo_enc_stop_streaming(struct vb2_queue *q) 725 { 726 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 727 unsigned long flags; 728 729 spin_lock_irqsave(&solo_enc->av_lock, flags); 730 solo_enc_off(solo_enc); 731 while (!list_empty(&solo_enc->vidq_active)) { 732 struct solo_vb2_buf *buf = list_entry( 733 solo_enc->vidq_active.next, 734 struct solo_vb2_buf, list); 735 736 list_del(&buf->list); 737 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 738 } 739 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 740 } 741 742 static void solo_enc_buf_finish(struct vb2_buffer *vb) 743 { 744 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); 745 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); 746 747 switch (solo_enc->fmt) { 748 case V4L2_PIX_FMT_MPEG4: 749 case V4L2_PIX_FMT_H264: 750 if (vb->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) 751 sg_copy_from_buffer(vbuf->sgl, vbuf->nents, 752 solo_enc->vop, solo_enc->vop_len); 753 break; 754 default: /* V4L2_PIX_FMT_MJPEG */ 755 sg_copy_from_buffer(vbuf->sgl, vbuf->nents, 756 solo_enc->jpeg_header, solo_enc->jpeg_len); 757 break; 758 } 759 } 760 761 static struct vb2_ops solo_enc_video_qops = { 762 .queue_setup = solo_enc_queue_setup, 763 .buf_queue = solo_enc_buf_queue, 764 .buf_finish = solo_enc_buf_finish, 765 .start_streaming = solo_enc_start_streaming, 766 .stop_streaming = solo_enc_stop_streaming, 767 .wait_prepare = vb2_ops_wait_prepare, 768 .wait_finish = vb2_ops_wait_finish, 769 }; 770 771 static int solo_enc_querycap(struct file *file, void *priv, 772 struct v4l2_capability *cap) 773 { 774 struct solo_enc_dev *solo_enc = video_drvdata(file); 775 struct solo_dev *solo_dev = solo_enc->solo_dev; 776 777 strcpy(cap->driver, SOLO6X10_NAME); 778 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", 779 solo_enc->ch); 780 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", 781 pci_name(solo_dev->pdev)); 782 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | 783 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 784 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 785 return 0; 786 } 787 788 static int solo_enc_enum_input(struct file *file, void *priv, 789 struct v4l2_input *input) 790 { 791 struct solo_enc_dev *solo_enc = video_drvdata(file); 792 struct solo_dev *solo_dev = solo_enc->solo_dev; 793 794 if (input->index) 795 return -EINVAL; 796 797 snprintf(input->name, sizeof(input->name), "Encoder %d", 798 solo_enc->ch + 1); 799 input->type = V4L2_INPUT_TYPE_CAMERA; 800 input->std = solo_enc->vfd->tvnorms; 801 802 if (!tw28_get_video_status(solo_dev, solo_enc->ch)) 803 input->status = V4L2_IN_ST_NO_SIGNAL; 804 805 return 0; 806 } 807 808 static int solo_enc_set_input(struct file *file, void *priv, 809 unsigned int index) 810 { 811 if (index) 812 return -EINVAL; 813 814 return 0; 815 } 816 817 static int solo_enc_get_input(struct file *file, void *priv, 818 unsigned int *index) 819 { 820 *index = 0; 821 822 return 0; 823 } 824 825 static int solo_enc_enum_fmt_cap(struct file *file, void *priv, 826 struct v4l2_fmtdesc *f) 827 { 828 struct solo_enc_dev *solo_enc = video_drvdata(file); 829 int dev_type = solo_enc->solo_dev->type; 830 831 switch (f->index) { 832 case 0: 833 switch (dev_type) { 834 case SOLO_DEV_6010: 835 f->pixelformat = V4L2_PIX_FMT_MPEG4; 836 strcpy(f->description, "MPEG-4 part 2"); 837 break; 838 case SOLO_DEV_6110: 839 f->pixelformat = V4L2_PIX_FMT_H264; 840 strcpy(f->description, "H.264"); 841 break; 842 } 843 break; 844 case 1: 845 f->pixelformat = V4L2_PIX_FMT_MJPEG; 846 strcpy(f->description, "MJPEG"); 847 break; 848 default: 849 return -EINVAL; 850 } 851 852 f->flags = V4L2_FMT_FLAG_COMPRESSED; 853 854 return 0; 855 } 856 857 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) 858 { 859 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) 860 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) 861 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; 862 } 863 864 static int solo_enc_try_fmt_cap(struct file *file, void *priv, 865 struct v4l2_format *f) 866 { 867 struct solo_enc_dev *solo_enc = video_drvdata(file); 868 struct solo_dev *solo_dev = solo_enc->solo_dev; 869 struct v4l2_pix_format *pix = &f->fmt.pix; 870 871 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) 872 return -EINVAL; 873 874 if (pix->width < solo_dev->video_hsize || 875 pix->height < solo_dev->video_vsize << 1) { 876 /* Default to CIF 1/2 size */ 877 pix->width = solo_dev->video_hsize >> 1; 878 pix->height = solo_dev->video_vsize; 879 } else { 880 /* Full frame */ 881 pix->width = solo_dev->video_hsize; 882 pix->height = solo_dev->video_vsize << 1; 883 } 884 885 switch (pix->field) { 886 case V4L2_FIELD_NONE: 887 case V4L2_FIELD_INTERLACED: 888 break; 889 case V4L2_FIELD_ANY: 890 default: 891 pix->field = V4L2_FIELD_INTERLACED; 892 break; 893 } 894 895 /* Just set these */ 896 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 897 pix->sizeimage = FRAME_BUF_SIZE; 898 pix->bytesperline = 0; 899 pix->priv = 0; 900 901 return 0; 902 } 903 904 static int solo_enc_set_fmt_cap(struct file *file, void *priv, 905 struct v4l2_format *f) 906 { 907 struct solo_enc_dev *solo_enc = video_drvdata(file); 908 struct solo_dev *solo_dev = solo_enc->solo_dev; 909 struct v4l2_pix_format *pix = &f->fmt.pix; 910 int ret; 911 912 if (vb2_is_busy(&solo_enc->vidq)) 913 return -EBUSY; 914 915 ret = solo_enc_try_fmt_cap(file, priv, f); 916 if (ret) 917 return ret; 918 919 if (pix->width == solo_dev->video_hsize) 920 solo_enc->mode = SOLO_ENC_MODE_D1; 921 else 922 solo_enc->mode = SOLO_ENC_MODE_CIF; 923 924 /* This does not change the encoder at all */ 925 solo_enc->fmt = pix->pixelformat; 926 927 /* 928 * More information is needed about these 'extended' types. As far 929 * as I can tell these are basically additional video streams with 930 * different MPEG encoding attributes that can run in parallel with 931 * the main stream. If so, then this should be implemented as a 932 * second video node. Abusing priv like this is certainly not the 933 * right approach. 934 if (pix->priv) 935 solo_enc->type = SOLO_ENC_TYPE_EXT; 936 */ 937 solo_update_mode(solo_enc); 938 return 0; 939 } 940 941 static int solo_enc_get_fmt_cap(struct file *file, void *priv, 942 struct v4l2_format *f) 943 { 944 struct solo_enc_dev *solo_enc = video_drvdata(file); 945 struct v4l2_pix_format *pix = &f->fmt.pix; 946 947 pix->width = solo_enc->width; 948 pix->height = solo_enc->height; 949 pix->pixelformat = solo_enc->fmt; 950 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : 951 V4L2_FIELD_NONE; 952 pix->sizeimage = FRAME_BUF_SIZE; 953 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 954 pix->priv = 0; 955 956 return 0; 957 } 958 959 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) 960 { 961 struct solo_enc_dev *solo_enc = video_drvdata(file); 962 struct solo_dev *solo_dev = solo_enc->solo_dev; 963 964 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 965 *i = V4L2_STD_NTSC_M; 966 else 967 *i = V4L2_STD_PAL; 968 return 0; 969 } 970 971 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) 972 { 973 struct solo_enc_dev *solo_enc = video_drvdata(file); 974 975 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); 976 } 977 978 static int solo_enum_framesizes(struct file *file, void *priv, 979 struct v4l2_frmsizeenum *fsize) 980 { 981 struct solo_enc_dev *solo_enc = video_drvdata(file); 982 struct solo_dev *solo_dev = solo_enc->solo_dev; 983 984 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) 985 return -EINVAL; 986 987 switch (fsize->index) { 988 case 0: 989 fsize->discrete.width = solo_dev->video_hsize >> 1; 990 fsize->discrete.height = solo_dev->video_vsize; 991 break; 992 case 1: 993 fsize->discrete.width = solo_dev->video_hsize; 994 fsize->discrete.height = solo_dev->video_vsize << 1; 995 break; 996 default: 997 return -EINVAL; 998 } 999 1000 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 1001 1002 return 0; 1003 } 1004 1005 static int solo_enum_frameintervals(struct file *file, void *priv, 1006 struct v4l2_frmivalenum *fintv) 1007 { 1008 struct solo_enc_dev *solo_enc = video_drvdata(file); 1009 struct solo_dev *solo_dev = solo_enc->solo_dev; 1010 1011 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) 1012 return -EINVAL; 1013 if (fintv->index) 1014 return -EINVAL; 1015 if ((fintv->width != solo_dev->video_hsize >> 1 || 1016 fintv->height != solo_dev->video_vsize) && 1017 (fintv->width != solo_dev->video_hsize || 1018 fintv->height != solo_dev->video_vsize << 1)) 1019 return -EINVAL; 1020 1021 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; 1022 1023 fintv->stepwise.min.numerator = 1; 1024 fintv->stepwise.min.denominator = solo_dev->fps; 1025 1026 fintv->stepwise.max.numerator = 15; 1027 fintv->stepwise.max.denominator = solo_dev->fps; 1028 1029 fintv->stepwise.step.numerator = 1; 1030 fintv->stepwise.step.denominator = solo_dev->fps; 1031 1032 return 0; 1033 } 1034 1035 static int solo_g_parm(struct file *file, void *priv, 1036 struct v4l2_streamparm *sp) 1037 { 1038 struct solo_enc_dev *solo_enc = video_drvdata(file); 1039 struct v4l2_captureparm *cp = &sp->parm.capture; 1040 1041 cp->capability = V4L2_CAP_TIMEPERFRAME; 1042 cp->timeperframe.numerator = solo_enc->interval; 1043 cp->timeperframe.denominator = solo_enc->solo_dev->fps; 1044 cp->capturemode = 0; 1045 /* XXX: Shouldn't we be able to get/set this from videobuf? */ 1046 cp->readbuffers = 2; 1047 1048 return 0; 1049 } 1050 1051 static inline int calc_interval(u8 fps, u32 n, u32 d) 1052 { 1053 if (!n || !d) 1054 return 1; 1055 if (d == fps) 1056 return n; 1057 n *= fps; 1058 return min(15U, n / d + (n % d >= (fps >> 1))); 1059 } 1060 1061 static int solo_s_parm(struct file *file, void *priv, 1062 struct v4l2_streamparm *sp) 1063 { 1064 struct solo_enc_dev *solo_enc = video_drvdata(file); 1065 struct v4l2_fract *t = &sp->parm.capture.timeperframe; 1066 u8 fps = solo_enc->solo_dev->fps; 1067 1068 if (vb2_is_streaming(&solo_enc->vidq)) 1069 return -EBUSY; 1070 1071 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); 1072 solo_update_mode(solo_enc); 1073 return solo_g_parm(file, priv, sp); 1074 } 1075 1076 static int solo_s_ctrl(struct v4l2_ctrl *ctrl) 1077 { 1078 struct solo_enc_dev *solo_enc = 1079 container_of(ctrl->handler, struct solo_enc_dev, hdl); 1080 struct solo_dev *solo_dev = solo_enc->solo_dev; 1081 int err; 1082 1083 switch (ctrl->id) { 1084 case V4L2_CID_BRIGHTNESS: 1085 case V4L2_CID_CONTRAST: 1086 case V4L2_CID_SATURATION: 1087 case V4L2_CID_HUE: 1088 case V4L2_CID_SHARPNESS: 1089 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, 1090 ctrl->val); 1091 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 1092 solo_enc->gop = ctrl->val; 1093 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); 1094 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); 1095 return 0; 1096 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: 1097 solo_enc->qp = ctrl->val; 1098 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); 1099 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); 1100 return 0; 1101 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: 1102 solo_enc->motion_thresh = ctrl->val << 8; 1103 if (!solo_enc->motion_global || !solo_enc->motion_enabled) 1104 return 0; 1105 return solo_set_motion_threshold(solo_dev, solo_enc->ch, 1106 solo_enc->motion_thresh); 1107 case V4L2_CID_DETECT_MD_MODE: 1108 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; 1109 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; 1110 if (ctrl->val) { 1111 if (solo_enc->motion_global) 1112 err = solo_set_motion_threshold(solo_dev, solo_enc->ch, 1113 solo_enc->motion_thresh); 1114 else 1115 err = solo_set_motion_block(solo_dev, solo_enc->ch, 1116 solo_enc->md_thresholds->p_cur.p_u16); 1117 if (err) 1118 return err; 1119 } 1120 solo_motion_toggle(solo_enc, ctrl->val); 1121 return 0; 1122 case V4L2_CID_DETECT_MD_THRESHOLD_GRID: 1123 if (solo_enc->motion_enabled && !solo_enc->motion_global) 1124 return solo_set_motion_block(solo_dev, solo_enc->ch, 1125 solo_enc->md_thresholds->p_new.p_u16); 1126 break; 1127 case V4L2_CID_OSD_TEXT: 1128 strcpy(solo_enc->osd_text, ctrl->p_new.p_char); 1129 return solo_osd_print(solo_enc); 1130 default: 1131 return -EINVAL; 1132 } 1133 1134 return 0; 1135 } 1136 1137 static int solo_subscribe_event(struct v4l2_fh *fh, 1138 const struct v4l2_event_subscription *sub) 1139 { 1140 1141 switch (sub->type) { 1142 case V4L2_EVENT_CTRL: 1143 return v4l2_ctrl_subscribe_event(fh, sub); 1144 case V4L2_EVENT_MOTION_DET: 1145 /* Allow for up to 30 events (1 second for NTSC) to be 1146 * stored. */ 1147 return v4l2_event_subscribe(fh, sub, 30, NULL); 1148 } 1149 return -EINVAL; 1150 } 1151 1152 static const struct v4l2_file_operations solo_enc_fops = { 1153 .owner = THIS_MODULE, 1154 .open = v4l2_fh_open, 1155 .release = vb2_fop_release, 1156 .read = vb2_fop_read, 1157 .poll = vb2_fop_poll, 1158 .mmap = vb2_fop_mmap, 1159 .unlocked_ioctl = video_ioctl2, 1160 }; 1161 1162 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { 1163 .vidioc_querycap = solo_enc_querycap, 1164 .vidioc_s_std = solo_enc_s_std, 1165 .vidioc_g_std = solo_enc_g_std, 1166 /* Input callbacks */ 1167 .vidioc_enum_input = solo_enc_enum_input, 1168 .vidioc_s_input = solo_enc_set_input, 1169 .vidioc_g_input = solo_enc_get_input, 1170 /* Video capture format callbacks */ 1171 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, 1172 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, 1173 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, 1174 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, 1175 /* Streaming I/O */ 1176 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1177 .vidioc_querybuf = vb2_ioctl_querybuf, 1178 .vidioc_qbuf = vb2_ioctl_qbuf, 1179 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1180 .vidioc_streamon = vb2_ioctl_streamon, 1181 .vidioc_streamoff = vb2_ioctl_streamoff, 1182 /* Frame size and interval */ 1183 .vidioc_enum_framesizes = solo_enum_framesizes, 1184 .vidioc_enum_frameintervals = solo_enum_frameintervals, 1185 /* Video capture parameters */ 1186 .vidioc_s_parm = solo_s_parm, 1187 .vidioc_g_parm = solo_g_parm, 1188 /* Logging and events */ 1189 .vidioc_log_status = v4l2_ctrl_log_status, 1190 .vidioc_subscribe_event = solo_subscribe_event, 1191 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1192 }; 1193 1194 static const struct video_device solo_enc_template = { 1195 .name = SOLO6X10_NAME, 1196 .fops = &solo_enc_fops, 1197 .ioctl_ops = &solo_enc_ioctl_ops, 1198 .minor = -1, 1199 .release = video_device_release, 1200 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, 1201 }; 1202 1203 static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1204 .s_ctrl = solo_s_ctrl, 1205 }; 1206 1207 static const struct v4l2_ctrl_config solo_osd_text_ctrl = { 1208 .ops = &solo_ctrl_ops, 1209 .id = V4L2_CID_OSD_TEXT, 1210 .name = "OSD Text", 1211 .type = V4L2_CTRL_TYPE_STRING, 1212 .max = OSD_TEXT_MAX, 1213 .step = 1, 1214 }; 1215 1216 /* Motion Detection Threshold matrix */ 1217 static const struct v4l2_ctrl_config solo_md_thresholds = { 1218 .ops = &solo_ctrl_ops, 1219 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, 1220 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, 1221 .def = SOLO_DEF_MOT_THRESH, 1222 .max = 65535, 1223 .step = 1, 1224 }; 1225 1226 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, 1227 u8 ch, unsigned nr) 1228 { 1229 struct solo_enc_dev *solo_enc; 1230 struct v4l2_ctrl_handler *hdl; 1231 int ret; 1232 1233 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); 1234 if (!solo_enc) 1235 return ERR_PTR(-ENOMEM); 1236 1237 hdl = &solo_enc->hdl; 1238 solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev); 1239 if (IS_ERR(solo_enc->alloc_ctx)) { 1240 ret = PTR_ERR(solo_enc->alloc_ctx); 1241 goto hdl_free; 1242 } 1243 v4l2_ctrl_handler_init(hdl, 10); 1244 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1245 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1246 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1247 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1248 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1249 V4L2_CID_SATURATION, 0, 255, 1, 128); 1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1251 V4L2_CID_HUE, 0, 255, 1, 128); 1252 if (tw28_has_sharpness(solo_dev, ch)) 1253 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1254 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1255 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1256 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1257 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1258 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1259 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1260 V4L2_CID_DETECT_MD_MODE, 1261 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1262 V4L2_DETECT_MD_MODE_DISABLED); 1263 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1264 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1265 SOLO_DEF_MOT_THRESH >> 8); 1266 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1267 solo_enc->md_thresholds = 1268 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1269 if (hdl->error) { 1270 ret = hdl->error; 1271 goto hdl_free; 1272 } 1273 1274 solo_enc->solo_dev = solo_dev; 1275 solo_enc->ch = ch; 1276 mutex_init(&solo_enc->lock); 1277 spin_lock_init(&solo_enc->av_lock); 1278 INIT_LIST_HEAD(&solo_enc->vidq_active); 1279 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1280 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1281 solo_enc->type = SOLO_ENC_TYPE_STD; 1282 1283 solo_enc->qp = SOLO_DEFAULT_QP; 1284 solo_enc->gop = solo_dev->fps; 1285 solo_enc->interval = 1; 1286 solo_enc->mode = SOLO_ENC_MODE_CIF; 1287 solo_enc->motion_global = true; 1288 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1289 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1290 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1291 solo_enc->vidq.ops = &solo_enc_video_qops; 1292 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1293 solo_enc->vidq.drv_priv = solo_enc; 1294 solo_enc->vidq.gfp_flags = __GFP_DMA32; 1295 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1296 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1297 solo_enc->vidq.lock = &solo_enc->lock; 1298 ret = vb2_queue_init(&solo_enc->vidq); 1299 if (ret) 1300 goto hdl_free; 1301 solo_update_mode(solo_enc); 1302 1303 spin_lock_init(&solo_enc->motion_lock); 1304 1305 /* Initialize this per encoder */ 1306 solo_enc->jpeg_len = sizeof(jpeg_header); 1307 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1308 1309 solo_enc->desc_nelts = 32; 1310 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev, 1311 sizeof(struct solo_p2m_desc) * 1312 solo_enc->desc_nelts, 1313 &solo_enc->desc_dma); 1314 ret = -ENOMEM; 1315 if (solo_enc->desc_items == NULL) 1316 goto hdl_free; 1317 1318 solo_enc->vfd = video_device_alloc(); 1319 if (!solo_enc->vfd) 1320 goto pci_free; 1321 1322 *solo_enc->vfd = solo_enc_template; 1323 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1324 solo_enc->vfd->ctrl_handler = hdl; 1325 solo_enc->vfd->queue = &solo_enc->vidq; 1326 solo_enc->vfd->lock = &solo_enc->lock; 1327 video_set_drvdata(solo_enc->vfd, solo_enc); 1328 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr); 1329 if (ret < 0) 1330 goto vdev_release; 1331 1332 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1333 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1334 solo_enc->vfd->num); 1335 1336 return solo_enc; 1337 1338 vdev_release: 1339 video_device_release(solo_enc->vfd); 1340 pci_free: 1341 pci_free_consistent(solo_enc->solo_dev->pdev, 1342 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1343 solo_enc->desc_items, solo_enc->desc_dma); 1344 hdl_free: 1345 v4l2_ctrl_handler_free(hdl); 1346 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1347 kfree(solo_enc); 1348 return ERR_PTR(ret); 1349 } 1350 1351 static void solo_enc_free(struct solo_enc_dev *solo_enc) 1352 { 1353 if (solo_enc == NULL) 1354 return; 1355 1356 pci_free_consistent(solo_enc->solo_dev->pdev, 1357 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1358 solo_enc->desc_items, solo_enc->desc_dma); 1359 video_unregister_device(solo_enc->vfd); 1360 v4l2_ctrl_handler_free(&solo_enc->hdl); 1361 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1362 kfree(solo_enc); 1363 } 1364 1365 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1366 { 1367 int i; 1368 1369 init_waitqueue_head(&solo_dev->ring_thread_wait); 1370 1371 solo_dev->vh_size = sizeof(vop_header); 1372 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev, 1373 solo_dev->vh_size, 1374 &solo_dev->vh_dma); 1375 if (solo_dev->vh_buf == NULL) 1376 return -ENOMEM; 1377 1378 for (i = 0; i < solo_dev->nr_chans; i++) { 1379 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1380 if (IS_ERR(solo_dev->v4l2_enc[i])) 1381 break; 1382 } 1383 1384 if (i != solo_dev->nr_chans) { 1385 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1386 1387 while (i--) 1388 solo_enc_free(solo_dev->v4l2_enc[i]); 1389 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1390 solo_dev->vh_buf, solo_dev->vh_dma); 1391 solo_dev->vh_buf = NULL; 1392 return ret; 1393 } 1394 1395 if (solo_dev->type == SOLO_DEV_6010) 1396 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1397 else 1398 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1399 1400 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1401 solo_dev->v4l2_enc[0]->vfd->num, 1402 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1403 1404 return solo_ring_start(solo_dev); 1405 } 1406 1407 void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1408 { 1409 int i; 1410 1411 solo_ring_stop(solo_dev); 1412 1413 for (i = 0; i < solo_dev->nr_chans; i++) 1414 solo_enc_free(solo_dev->v4l2_enc[i]); 1415 1416 if (solo_dev->vh_buf) 1417 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1418 solo_dev->vh_buf, solo_dev->vh_dma); 1419 } 1420