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 (400 * 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 vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 462 struct solo_dev *solo_dev = solo_enc->solo_dev; 463 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 464 int frame_size; 465 466 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; 467 468 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len) 469 return -EIO; 470 471 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN); 472 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len); 473 474 return solo_send_desc(solo_enc, solo_enc->jpeg_len, sgt, 475 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), 476 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), 477 SOLO_JPEG_EXT_SIZE(solo_dev)); 478 } 479 480 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, 481 struct vb2_buffer *vb, const vop_header *vh) 482 { 483 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 484 struct solo_dev *solo_dev = solo_enc->solo_dev; 485 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 486 int frame_off, frame_size; 487 int skip = 0; 488 489 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh)) 490 return -EIO; 491 492 /* If this is a key frame, add extra header */ 493 vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME | 494 V4L2_BUF_FLAG_BFRAME); 495 if (!vop_type(vh)) { 496 skip = solo_enc->vop_len; 497 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; 498 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + 499 solo_enc->vop_len); 500 } else { 501 vbuf->flags |= V4L2_BUF_FLAG_PFRAME; 502 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh)); 503 } 504 505 /* Now get the actual mpeg payload */ 506 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) + 507 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev); 508 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN); 509 510 return solo_send_desc(solo_enc, skip, sgt, frame_off, frame_size, 511 SOLO_MP4E_EXT_ADDR(solo_dev), 512 SOLO_MP4E_EXT_SIZE(solo_dev)); 513 } 514 515 static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc, 516 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf) 517 { 518 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 519 const vop_header *vh = enc_buf->vh; 520 int ret; 521 522 switch (solo_enc->fmt) { 523 case V4L2_PIX_FMT_MPEG4: 524 case V4L2_PIX_FMT_H264: 525 ret = solo_fill_mpeg(solo_enc, vb, vh); 526 break; 527 default: /* V4L2_PIX_FMT_MJPEG */ 528 ret = solo_fill_jpeg(solo_enc, vb, vh); 529 break; 530 } 531 532 if (!ret) { 533 vbuf->sequence = solo_enc->sequence++; 534 vb->timestamp = ktime_get_ns(); 535 536 /* Check for motion flags */ 537 if (solo_is_motion_on(solo_enc) && enc_buf->motion) { 538 struct v4l2_event ev = { 539 .type = V4L2_EVENT_MOTION_DET, 540 .u.motion_det = { 541 .flags 542 = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, 543 .frame_sequence = vbuf->sequence, 544 .region_mask = enc_buf->motion ? 1 : 0, 545 }, 546 }; 547 548 v4l2_event_queue(solo_enc->vfd, &ev); 549 } 550 } 551 552 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 553 554 return ret; 555 } 556 557 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, 558 struct solo_enc_buf *enc_buf) 559 { 560 struct solo_vb2_buf *vb; 561 unsigned long flags; 562 563 mutex_lock(&solo_enc->lock); 564 if (solo_enc->type != enc_buf->type) 565 goto unlock; 566 567 spin_lock_irqsave(&solo_enc->av_lock, flags); 568 if (list_empty(&solo_enc->vidq_active)) { 569 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 570 goto unlock; 571 } 572 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, 573 list); 574 list_del(&vb->list); 575 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 576 577 solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf); 578 unlock: 579 mutex_unlock(&solo_enc->lock); 580 } 581 582 void solo_enc_v4l2_isr(struct solo_dev *solo_dev) 583 { 584 wake_up_interruptible_all(&solo_dev->ring_thread_wait); 585 } 586 587 static void solo_handle_ring(struct solo_dev *solo_dev) 588 { 589 for (;;) { 590 struct solo_enc_dev *solo_enc; 591 struct solo_enc_buf enc_buf; 592 u32 mpeg_current, off; 593 u8 ch; 594 u8 cur_q; 595 596 /* Check if the hardware has any new ones in the queue */ 597 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; 598 if (cur_q == solo_dev->enc_idx) 599 break; 600 601 mpeg_current = solo_reg_read(solo_dev, 602 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); 603 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; 604 605 ch = (mpeg_current >> 24) & 0x1f; 606 off = mpeg_current & 0x00ffffff; 607 608 if (ch >= SOLO_MAX_CHANNELS) { 609 ch -= SOLO_MAX_CHANNELS; 610 enc_buf.type = SOLO_ENC_TYPE_EXT; 611 } else 612 enc_buf.type = SOLO_ENC_TYPE_STD; 613 614 solo_enc = solo_dev->v4l2_enc[ch]; 615 if (solo_enc == NULL) { 616 dev_err(&solo_dev->pdev->dev, 617 "Got spurious packet for channel %d\n", ch); 618 continue; 619 } 620 621 /* FAIL... */ 622 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, 623 sizeof(vop_header))) 624 continue; 625 626 enc_buf.vh = solo_dev->vh_buf; 627 628 /* Sanity check */ 629 if (vop_mpeg_offset(enc_buf.vh) != 630 SOLO_MP4E_EXT_ADDR(solo_dev) + off) 631 continue; 632 633 if (solo_motion_detected(solo_enc)) 634 enc_buf.motion = 1; 635 else 636 enc_buf.motion = 0; 637 638 solo_enc_handle_one(solo_enc, &enc_buf); 639 } 640 } 641 642 static int solo_ring_thread(void *data) 643 { 644 struct solo_dev *solo_dev = data; 645 DECLARE_WAITQUEUE(wait, current); 646 647 set_freezable(); 648 add_wait_queue(&solo_dev->ring_thread_wait, &wait); 649 650 for (;;) { 651 long timeout = schedule_timeout_interruptible(HZ); 652 653 if (timeout == -ERESTARTSYS || kthread_should_stop()) 654 break; 655 solo_handle_ring(solo_dev); 656 try_to_freeze(); 657 } 658 659 remove_wait_queue(&solo_dev->ring_thread_wait, &wait); 660 661 return 0; 662 } 663 664 static int solo_enc_queue_setup(struct vb2_queue *q, 665 unsigned int *num_buffers, 666 unsigned int *num_planes, unsigned int sizes[], 667 struct device *alloc_devs[]) 668 { 669 sizes[0] = FRAME_BUF_SIZE; 670 *num_planes = 1; 671 672 if (*num_buffers < MIN_VID_BUFFERS) 673 *num_buffers = MIN_VID_BUFFERS; 674 675 return 0; 676 } 677 678 static void solo_enc_buf_queue(struct vb2_buffer *vb) 679 { 680 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 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(vbuf, 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, 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 vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 745 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); 746 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 747 748 switch (solo_enc->fmt) { 749 case V4L2_PIX_FMT_MPEG4: 750 case V4L2_PIX_FMT_H264: 751 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME) 752 sg_copy_from_buffer(sgt->sgl, sgt->nents, 753 solo_enc->vop, solo_enc->vop_len); 754 break; 755 default: /* V4L2_PIX_FMT_MJPEG */ 756 sg_copy_from_buffer(sgt->sgl, sgt->nents, 757 solo_enc->jpeg_header, solo_enc->jpeg_len); 758 break; 759 } 760 } 761 762 static const struct vb2_ops solo_enc_video_qops = { 763 .queue_setup = solo_enc_queue_setup, 764 .buf_queue = solo_enc_buf_queue, 765 .buf_finish = solo_enc_buf_finish, 766 .start_streaming = solo_enc_start_streaming, 767 .stop_streaming = solo_enc_stop_streaming, 768 .wait_prepare = vb2_ops_wait_prepare, 769 .wait_finish = vb2_ops_wait_finish, 770 }; 771 772 static int solo_enc_querycap(struct file *file, void *priv, 773 struct v4l2_capability *cap) 774 { 775 struct solo_enc_dev *solo_enc = video_drvdata(file); 776 struct solo_dev *solo_dev = solo_enc->solo_dev; 777 778 strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver)); 779 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", 780 solo_enc->ch); 781 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", 782 pci_name(solo_dev->pdev)); 783 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | 784 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 785 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 786 return 0; 787 } 788 789 static int solo_enc_enum_input(struct file *file, void *priv, 790 struct v4l2_input *input) 791 { 792 struct solo_enc_dev *solo_enc = video_drvdata(file); 793 struct solo_dev *solo_dev = solo_enc->solo_dev; 794 795 if (input->index) 796 return -EINVAL; 797 798 snprintf(input->name, sizeof(input->name), "Encoder %d", 799 solo_enc->ch + 1); 800 input->type = V4L2_INPUT_TYPE_CAMERA; 801 input->std = solo_enc->vfd->tvnorms; 802 803 if (!tw28_get_video_status(solo_dev, solo_enc->ch)) 804 input->status = V4L2_IN_ST_NO_SIGNAL; 805 806 return 0; 807 } 808 809 static int solo_enc_set_input(struct file *file, void *priv, 810 unsigned int index) 811 { 812 if (index) 813 return -EINVAL; 814 815 return 0; 816 } 817 818 static int solo_enc_get_input(struct file *file, void *priv, 819 unsigned int *index) 820 { 821 *index = 0; 822 823 return 0; 824 } 825 826 static int solo_enc_enum_fmt_cap(struct file *file, void *priv, 827 struct v4l2_fmtdesc *f) 828 { 829 struct solo_enc_dev *solo_enc = video_drvdata(file); 830 int dev_type = solo_enc->solo_dev->type; 831 832 switch (f->index) { 833 case 0: 834 switch (dev_type) { 835 case SOLO_DEV_6010: 836 f->pixelformat = V4L2_PIX_FMT_MPEG4; 837 strscpy(f->description, "MPEG-4 part 2", 838 sizeof(f->description)); 839 break; 840 case SOLO_DEV_6110: 841 f->pixelformat = V4L2_PIX_FMT_H264; 842 strscpy(f->description, "H.264", sizeof(f->description)); 843 break; 844 } 845 break; 846 case 1: 847 f->pixelformat = V4L2_PIX_FMT_MJPEG; 848 strscpy(f->description, "MJPEG", sizeof(f->description)); 849 break; 850 default: 851 return -EINVAL; 852 } 853 854 f->flags = V4L2_FMT_FLAG_COMPRESSED; 855 856 return 0; 857 } 858 859 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) 860 { 861 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) 862 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) 863 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; 864 } 865 866 static int solo_enc_try_fmt_cap(struct file *file, void *priv, 867 struct v4l2_format *f) 868 { 869 struct solo_enc_dev *solo_enc = video_drvdata(file); 870 struct solo_dev *solo_dev = solo_enc->solo_dev; 871 struct v4l2_pix_format *pix = &f->fmt.pix; 872 873 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) 874 return -EINVAL; 875 876 if (pix->width < solo_dev->video_hsize || 877 pix->height < solo_dev->video_vsize << 1) { 878 /* Default to CIF 1/2 size */ 879 pix->width = solo_dev->video_hsize >> 1; 880 pix->height = solo_dev->video_vsize; 881 } else { 882 /* Full frame */ 883 pix->width = solo_dev->video_hsize; 884 pix->height = solo_dev->video_vsize << 1; 885 } 886 887 switch (pix->field) { 888 case V4L2_FIELD_NONE: 889 case V4L2_FIELD_INTERLACED: 890 break; 891 case V4L2_FIELD_ANY: 892 default: 893 pix->field = V4L2_FIELD_INTERLACED; 894 break; 895 } 896 897 /* Just set these */ 898 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 899 pix->sizeimage = FRAME_BUF_SIZE; 900 pix->bytesperline = 0; 901 pix->priv = 0; 902 903 return 0; 904 } 905 906 static int solo_enc_set_fmt_cap(struct file *file, void *priv, 907 struct v4l2_format *f) 908 { 909 struct solo_enc_dev *solo_enc = video_drvdata(file); 910 struct solo_dev *solo_dev = solo_enc->solo_dev; 911 struct v4l2_pix_format *pix = &f->fmt.pix; 912 int ret; 913 914 if (vb2_is_busy(&solo_enc->vidq)) 915 return -EBUSY; 916 917 ret = solo_enc_try_fmt_cap(file, priv, f); 918 if (ret) 919 return ret; 920 921 if (pix->width == solo_dev->video_hsize) 922 solo_enc->mode = SOLO_ENC_MODE_D1; 923 else 924 solo_enc->mode = SOLO_ENC_MODE_CIF; 925 926 /* This does not change the encoder at all */ 927 solo_enc->fmt = pix->pixelformat; 928 929 /* 930 * More information is needed about these 'extended' types. As far 931 * as I can tell these are basically additional video streams with 932 * different MPEG encoding attributes that can run in parallel with 933 * the main stream. If so, then this should be implemented as a 934 * second video node. Abusing priv like this is certainly not the 935 * right approach. 936 if (pix->priv) 937 solo_enc->type = SOLO_ENC_TYPE_EXT; 938 */ 939 solo_update_mode(solo_enc); 940 return 0; 941 } 942 943 static int solo_enc_get_fmt_cap(struct file *file, void *priv, 944 struct v4l2_format *f) 945 { 946 struct solo_enc_dev *solo_enc = video_drvdata(file); 947 struct v4l2_pix_format *pix = &f->fmt.pix; 948 949 pix->width = solo_enc->width; 950 pix->height = solo_enc->height; 951 pix->pixelformat = solo_enc->fmt; 952 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : 953 V4L2_FIELD_NONE; 954 pix->sizeimage = FRAME_BUF_SIZE; 955 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 956 pix->priv = 0; 957 958 return 0; 959 } 960 961 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) 962 { 963 struct solo_enc_dev *solo_enc = video_drvdata(file); 964 struct solo_dev *solo_dev = solo_enc->solo_dev; 965 966 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 967 *i = V4L2_STD_NTSC_M; 968 else 969 *i = V4L2_STD_PAL; 970 return 0; 971 } 972 973 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) 974 { 975 struct solo_enc_dev *solo_enc = video_drvdata(file); 976 977 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); 978 } 979 980 static int solo_enum_framesizes(struct file *file, void *priv, 981 struct v4l2_frmsizeenum *fsize) 982 { 983 struct solo_enc_dev *solo_enc = video_drvdata(file); 984 struct solo_dev *solo_dev = solo_enc->solo_dev; 985 986 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) 987 return -EINVAL; 988 989 switch (fsize->index) { 990 case 0: 991 fsize->discrete.width = solo_dev->video_hsize >> 1; 992 fsize->discrete.height = solo_dev->video_vsize; 993 break; 994 case 1: 995 fsize->discrete.width = solo_dev->video_hsize; 996 fsize->discrete.height = solo_dev->video_vsize << 1; 997 break; 998 default: 999 return -EINVAL; 1000 } 1001 1002 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 1003 1004 return 0; 1005 } 1006 1007 static int solo_enum_frameintervals(struct file *file, void *priv, 1008 struct v4l2_frmivalenum *fintv) 1009 { 1010 struct solo_enc_dev *solo_enc = video_drvdata(file); 1011 struct solo_dev *solo_dev = solo_enc->solo_dev; 1012 1013 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) 1014 return -EINVAL; 1015 if (fintv->index) 1016 return -EINVAL; 1017 if ((fintv->width != solo_dev->video_hsize >> 1 || 1018 fintv->height != solo_dev->video_vsize) && 1019 (fintv->width != solo_dev->video_hsize || 1020 fintv->height != solo_dev->video_vsize << 1)) 1021 return -EINVAL; 1022 1023 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; 1024 1025 fintv->stepwise.min.numerator = 1; 1026 fintv->stepwise.min.denominator = solo_dev->fps; 1027 1028 fintv->stepwise.max.numerator = 15; 1029 fintv->stepwise.max.denominator = solo_dev->fps; 1030 1031 fintv->stepwise.step.numerator = 1; 1032 fintv->stepwise.step.denominator = solo_dev->fps; 1033 1034 return 0; 1035 } 1036 1037 static int solo_g_parm(struct file *file, void *priv, 1038 struct v4l2_streamparm *sp) 1039 { 1040 struct solo_enc_dev *solo_enc = video_drvdata(file); 1041 struct v4l2_captureparm *cp = &sp->parm.capture; 1042 1043 cp->capability = V4L2_CAP_TIMEPERFRAME; 1044 cp->timeperframe.numerator = solo_enc->interval; 1045 cp->timeperframe.denominator = solo_enc->solo_dev->fps; 1046 cp->capturemode = 0; 1047 /* XXX: Shouldn't we be able to get/set this from videobuf? */ 1048 cp->readbuffers = 2; 1049 1050 return 0; 1051 } 1052 1053 static inline int calc_interval(u8 fps, u32 n, u32 d) 1054 { 1055 if (!n || !d) 1056 return 1; 1057 if (d == fps) 1058 return n; 1059 n *= fps; 1060 return min(15U, n / d + (n % d >= (fps >> 1))); 1061 } 1062 1063 static int solo_s_parm(struct file *file, void *priv, 1064 struct v4l2_streamparm *sp) 1065 { 1066 struct solo_enc_dev *solo_enc = video_drvdata(file); 1067 struct v4l2_fract *t = &sp->parm.capture.timeperframe; 1068 u8 fps = solo_enc->solo_dev->fps; 1069 1070 if (vb2_is_streaming(&solo_enc->vidq)) 1071 return -EBUSY; 1072 1073 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); 1074 solo_update_mode(solo_enc); 1075 return solo_g_parm(file, priv, sp); 1076 } 1077 1078 static int solo_s_ctrl(struct v4l2_ctrl *ctrl) 1079 { 1080 struct solo_enc_dev *solo_enc = 1081 container_of(ctrl->handler, struct solo_enc_dev, hdl); 1082 struct solo_dev *solo_dev = solo_enc->solo_dev; 1083 int err; 1084 1085 switch (ctrl->id) { 1086 case V4L2_CID_BRIGHTNESS: 1087 case V4L2_CID_CONTRAST: 1088 case V4L2_CID_SATURATION: 1089 case V4L2_CID_HUE: 1090 case V4L2_CID_SHARPNESS: 1091 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, 1092 ctrl->val); 1093 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 1094 solo_enc->gop = ctrl->val; 1095 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); 1096 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); 1097 return 0; 1098 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: 1099 solo_enc->qp = ctrl->val; 1100 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); 1101 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); 1102 return 0; 1103 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: 1104 solo_enc->motion_thresh = ctrl->val << 8; 1105 if (!solo_enc->motion_global || !solo_enc->motion_enabled) 1106 return 0; 1107 return solo_set_motion_threshold(solo_dev, solo_enc->ch, 1108 solo_enc->motion_thresh); 1109 case V4L2_CID_DETECT_MD_MODE: 1110 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; 1111 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; 1112 if (ctrl->val) { 1113 if (solo_enc->motion_global) 1114 err = solo_set_motion_threshold(solo_dev, solo_enc->ch, 1115 solo_enc->motion_thresh); 1116 else 1117 err = solo_set_motion_block(solo_dev, solo_enc->ch, 1118 solo_enc->md_thresholds->p_cur.p_u16); 1119 if (err) 1120 return err; 1121 } 1122 solo_motion_toggle(solo_enc, ctrl->val); 1123 return 0; 1124 case V4L2_CID_DETECT_MD_THRESHOLD_GRID: 1125 if (solo_enc->motion_enabled && !solo_enc->motion_global) 1126 return solo_set_motion_block(solo_dev, solo_enc->ch, 1127 solo_enc->md_thresholds->p_new.p_u16); 1128 break; 1129 case V4L2_CID_OSD_TEXT: 1130 strscpy(solo_enc->osd_text, ctrl->p_new.p_char, 1131 sizeof(solo_enc->osd_text)); 1132 return solo_osd_print(solo_enc); 1133 default: 1134 return -EINVAL; 1135 } 1136 1137 return 0; 1138 } 1139 1140 static int solo_subscribe_event(struct v4l2_fh *fh, 1141 const struct v4l2_event_subscription *sub) 1142 { 1143 1144 switch (sub->type) { 1145 case V4L2_EVENT_MOTION_DET: 1146 /* Allow for up to 30 events (1 second for NTSC) to be 1147 * stored. */ 1148 return v4l2_event_subscribe(fh, sub, 30, NULL); 1149 default: 1150 return v4l2_ctrl_subscribe_event(fh, sub); 1151 } 1152 } 1153 1154 static const struct v4l2_file_operations solo_enc_fops = { 1155 .owner = THIS_MODULE, 1156 .open = v4l2_fh_open, 1157 .release = vb2_fop_release, 1158 .read = vb2_fop_read, 1159 .poll = vb2_fop_poll, 1160 .mmap = vb2_fop_mmap, 1161 .unlocked_ioctl = video_ioctl2, 1162 }; 1163 1164 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { 1165 .vidioc_querycap = solo_enc_querycap, 1166 .vidioc_s_std = solo_enc_s_std, 1167 .vidioc_g_std = solo_enc_g_std, 1168 /* Input callbacks */ 1169 .vidioc_enum_input = solo_enc_enum_input, 1170 .vidioc_s_input = solo_enc_set_input, 1171 .vidioc_g_input = solo_enc_get_input, 1172 /* Video capture format callbacks */ 1173 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, 1174 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, 1175 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, 1176 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, 1177 /* Streaming I/O */ 1178 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1179 .vidioc_querybuf = vb2_ioctl_querybuf, 1180 .vidioc_qbuf = vb2_ioctl_qbuf, 1181 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1182 .vidioc_streamon = vb2_ioctl_streamon, 1183 .vidioc_streamoff = vb2_ioctl_streamoff, 1184 /* Frame size and interval */ 1185 .vidioc_enum_framesizes = solo_enum_framesizes, 1186 .vidioc_enum_frameintervals = solo_enum_frameintervals, 1187 /* Video capture parameters */ 1188 .vidioc_s_parm = solo_s_parm, 1189 .vidioc_g_parm = solo_g_parm, 1190 /* Logging and events */ 1191 .vidioc_log_status = v4l2_ctrl_log_status, 1192 .vidioc_subscribe_event = solo_subscribe_event, 1193 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1194 }; 1195 1196 static const struct video_device solo_enc_template = { 1197 .name = SOLO6X10_NAME, 1198 .fops = &solo_enc_fops, 1199 .ioctl_ops = &solo_enc_ioctl_ops, 1200 .minor = -1, 1201 .release = video_device_release, 1202 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, 1203 }; 1204 1205 static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1206 .s_ctrl = solo_s_ctrl, 1207 }; 1208 1209 static const struct v4l2_ctrl_config solo_osd_text_ctrl = { 1210 .ops = &solo_ctrl_ops, 1211 .id = V4L2_CID_OSD_TEXT, 1212 .name = "OSD Text", 1213 .type = V4L2_CTRL_TYPE_STRING, 1214 .max = OSD_TEXT_MAX, 1215 .step = 1, 1216 }; 1217 1218 /* Motion Detection Threshold matrix */ 1219 static const struct v4l2_ctrl_config solo_md_thresholds = { 1220 .ops = &solo_ctrl_ops, 1221 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, 1222 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, 1223 .def = SOLO_DEF_MOT_THRESH, 1224 .max = 65535, 1225 .step = 1, 1226 }; 1227 1228 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, 1229 u8 ch, unsigned nr) 1230 { 1231 struct solo_enc_dev *solo_enc; 1232 struct v4l2_ctrl_handler *hdl; 1233 int ret; 1234 1235 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); 1236 if (!solo_enc) 1237 return ERR_PTR(-ENOMEM); 1238 1239 hdl = &solo_enc->hdl; 1240 v4l2_ctrl_handler_init(hdl, 10); 1241 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1242 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1243 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1244 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1245 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1246 V4L2_CID_SATURATION, 0, 255, 1, 128); 1247 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1248 V4L2_CID_HUE, 0, 255, 1, 128); 1249 if (tw28_has_sharpness(solo_dev, ch)) 1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1251 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1252 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1253 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1254 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1255 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1256 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1257 V4L2_CID_DETECT_MD_MODE, 1258 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1259 V4L2_DETECT_MD_MODE_DISABLED); 1260 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1261 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1262 SOLO_DEF_MOT_THRESH >> 8); 1263 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1264 solo_enc->md_thresholds = 1265 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1266 if (hdl->error) { 1267 ret = hdl->error; 1268 goto hdl_free; 1269 } 1270 1271 solo_enc->solo_dev = solo_dev; 1272 solo_enc->ch = ch; 1273 mutex_init(&solo_enc->lock); 1274 spin_lock_init(&solo_enc->av_lock); 1275 INIT_LIST_HEAD(&solo_enc->vidq_active); 1276 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1277 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1278 solo_enc->type = SOLO_ENC_TYPE_STD; 1279 1280 solo_enc->qp = SOLO_DEFAULT_QP; 1281 solo_enc->gop = solo_dev->fps; 1282 solo_enc->interval = 1; 1283 solo_enc->mode = SOLO_ENC_MODE_CIF; 1284 solo_enc->motion_global = true; 1285 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1286 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1287 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1288 solo_enc->vidq.ops = &solo_enc_video_qops; 1289 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1290 solo_enc->vidq.drv_priv = solo_enc; 1291 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM; 1292 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1293 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1294 solo_enc->vidq.lock = &solo_enc->lock; 1295 solo_enc->vidq.dev = &solo_dev->pdev->dev; 1296 ret = vb2_queue_init(&solo_enc->vidq); 1297 if (ret) 1298 goto hdl_free; 1299 solo_update_mode(solo_enc); 1300 1301 spin_lock_init(&solo_enc->motion_lock); 1302 1303 /* Initialize this per encoder */ 1304 solo_enc->jpeg_len = sizeof(jpeg_header); 1305 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1306 1307 solo_enc->desc_nelts = 32; 1308 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev, 1309 sizeof(struct solo_p2m_desc) * 1310 solo_enc->desc_nelts, 1311 &solo_enc->desc_dma); 1312 ret = -ENOMEM; 1313 if (solo_enc->desc_items == NULL) 1314 goto hdl_free; 1315 1316 solo_enc->vfd = video_device_alloc(); 1317 if (!solo_enc->vfd) 1318 goto pci_free; 1319 1320 *solo_enc->vfd = solo_enc_template; 1321 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1322 solo_enc->vfd->ctrl_handler = hdl; 1323 solo_enc->vfd->queue = &solo_enc->vidq; 1324 solo_enc->vfd->lock = &solo_enc->lock; 1325 video_set_drvdata(solo_enc->vfd, solo_enc); 1326 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr); 1327 if (ret < 0) 1328 goto vdev_release; 1329 1330 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1331 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1332 solo_enc->vfd->num); 1333 1334 return solo_enc; 1335 1336 vdev_release: 1337 video_device_release(solo_enc->vfd); 1338 pci_free: 1339 pci_free_consistent(solo_enc->solo_dev->pdev, 1340 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1341 solo_enc->desc_items, solo_enc->desc_dma); 1342 hdl_free: 1343 v4l2_ctrl_handler_free(hdl); 1344 kfree(solo_enc); 1345 return ERR_PTR(ret); 1346 } 1347 1348 static void solo_enc_free(struct solo_enc_dev *solo_enc) 1349 { 1350 if (solo_enc == NULL) 1351 return; 1352 1353 pci_free_consistent(solo_enc->solo_dev->pdev, 1354 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1355 solo_enc->desc_items, solo_enc->desc_dma); 1356 video_unregister_device(solo_enc->vfd); 1357 v4l2_ctrl_handler_free(&solo_enc->hdl); 1358 kfree(solo_enc); 1359 } 1360 1361 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1362 { 1363 int i; 1364 1365 init_waitqueue_head(&solo_dev->ring_thread_wait); 1366 1367 solo_dev->vh_size = sizeof(vop_header); 1368 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev, 1369 solo_dev->vh_size, 1370 &solo_dev->vh_dma); 1371 if (solo_dev->vh_buf == NULL) 1372 return -ENOMEM; 1373 1374 for (i = 0; i < solo_dev->nr_chans; i++) { 1375 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1376 if (IS_ERR(solo_dev->v4l2_enc[i])) 1377 break; 1378 } 1379 1380 if (i != solo_dev->nr_chans) { 1381 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1382 1383 while (i--) 1384 solo_enc_free(solo_dev->v4l2_enc[i]); 1385 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1386 solo_dev->vh_buf, solo_dev->vh_dma); 1387 solo_dev->vh_buf = NULL; 1388 return ret; 1389 } 1390 1391 if (solo_dev->type == SOLO_DEV_6010) 1392 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1393 else 1394 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1395 1396 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1397 solo_dev->v4l2_enc[0]->vfd->num, 1398 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1399 1400 return solo_ring_start(solo_dev); 1401 } 1402 1403 void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1404 { 1405 int i; 1406 1407 solo_ring_stop(solo_dev); 1408 1409 for (i = 0; i < solo_dev->nr_chans; i++) 1410 solo_enc_free(solo_dev->v4l2_enc[i]); 1411 1412 if (solo_dev->vh_buf) 1413 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1414 solo_dev->vh_buf, solo_dev->vh_dma); 1415 } 1416