1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com> 4 * 5 * Original author: 6 * Ben Collins <bcollins@ubuntu.com> 7 * 8 * Additional work by: 9 * John Brooks <john.brooks@bluecherry.net> 10 */ 11 12 #include <linux/kernel.h> 13 #include <linux/module.h> 14 #include <linux/kthread.h> 15 #include <linux/freezer.h> 16 17 #include <media/v4l2-ioctl.h> 18 #include <media/v4l2-common.h> 19 #include <media/v4l2-event.h> 20 #include <media/videobuf2-dma-sg.h> 21 22 #include "solo6x10.h" 23 #include "solo6x10-tw28.h" 24 #include "solo6x10-jpeg.h" 25 26 #define MIN_VID_BUFFERS 2 27 #define FRAME_BUF_SIZE (400 * 1024) 28 #define MP4_QS 16 29 #define DMA_ALIGN 4096 30 31 /* 6010 M4V */ 32 static u8 vop_6010_ntsc_d1[] = { 33 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 34 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 35 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 36 0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f, 37 }; 38 39 static u8 vop_6010_ntsc_cif[] = { 40 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 41 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 42 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 43 0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f, 44 }; 45 46 static u8 vop_6010_pal_d1[] = { 47 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 48 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 49 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 50 0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f, 51 }; 52 53 static u8 vop_6010_pal_cif[] = { 54 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 55 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 56 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 57 0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f, 58 }; 59 60 /* 6110 h.264 */ 61 static u8 vop_6110_ntsc_d1[] = { 62 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 63 0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00, 64 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 65 }; 66 67 static u8 vop_6110_ntsc_cif[] = { 68 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 69 0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00, 70 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, 71 }; 72 73 static u8 vop_6110_pal_d1[] = { 74 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 75 0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00, 76 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 77 }; 78 79 static u8 vop_6110_pal_cif[] = { 80 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 81 0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00, 82 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, 83 }; 84 85 typedef __le32 vop_header[16]; 86 87 struct solo_enc_buf { 88 enum solo_enc_types type; 89 const vop_header *vh; 90 int motion; 91 }; 92 93 static int solo_is_motion_on(struct solo_enc_dev *solo_enc) 94 { 95 struct solo_dev *solo_dev = solo_enc->solo_dev; 96 97 return (solo_dev->motion_mask >> solo_enc->ch) & 1; 98 } 99 100 static int solo_motion_detected(struct solo_enc_dev *solo_enc) 101 { 102 struct solo_dev *solo_dev = solo_enc->solo_dev; 103 unsigned long flags; 104 u32 ch_mask = 1 << solo_enc->ch; 105 int ret = 0; 106 107 spin_lock_irqsave(&solo_enc->motion_lock, flags); 108 if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) { 109 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask); 110 ret = 1; 111 } 112 spin_unlock_irqrestore(&solo_enc->motion_lock, flags); 113 114 return ret; 115 } 116 117 static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on) 118 { 119 struct solo_dev *solo_dev = solo_enc->solo_dev; 120 u32 mask = 1 << solo_enc->ch; 121 unsigned long flags; 122 123 spin_lock_irqsave(&solo_enc->motion_lock, flags); 124 125 if (on) 126 solo_dev->motion_mask |= mask; 127 else 128 solo_dev->motion_mask &= ~mask; 129 130 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask); 131 132 solo_reg_write(solo_dev, SOLO_VI_MOT_ADR, 133 SOLO_VI_MOTION_EN(solo_dev->motion_mask) | 134 (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16)); 135 136 spin_unlock_irqrestore(&solo_enc->motion_lock, flags); 137 } 138 139 void solo_update_mode(struct solo_enc_dev *solo_enc) 140 { 141 struct solo_dev *solo_dev = solo_enc->solo_dev; 142 int vop_len; 143 u8 *vop; 144 145 solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0; 146 solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1); 147 148 if (solo_enc->mode == SOLO_ENC_MODE_CIF) { 149 solo_enc->width = solo_dev->video_hsize >> 1; 150 solo_enc->height = solo_dev->video_vsize; 151 if (solo_dev->type == SOLO_DEV_6110) { 152 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 153 vop = vop_6110_ntsc_cif; 154 vop_len = sizeof(vop_6110_ntsc_cif); 155 } else { 156 vop = vop_6110_pal_cif; 157 vop_len = sizeof(vop_6110_pal_cif); 158 } 159 } else { 160 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 161 vop = vop_6010_ntsc_cif; 162 vop_len = sizeof(vop_6010_ntsc_cif); 163 } else { 164 vop = vop_6010_pal_cif; 165 vop_len = sizeof(vop_6010_pal_cif); 166 } 167 } 168 } else { 169 solo_enc->width = solo_dev->video_hsize; 170 solo_enc->height = solo_dev->video_vsize << 1; 171 solo_enc->bw_weight <<= 2; 172 if (solo_dev->type == SOLO_DEV_6110) { 173 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 174 vop = vop_6110_ntsc_d1; 175 vop_len = sizeof(vop_6110_ntsc_d1); 176 } else { 177 vop = vop_6110_pal_d1; 178 vop_len = sizeof(vop_6110_pal_d1); 179 } 180 } else { 181 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 182 vop = vop_6010_ntsc_d1; 183 vop_len = sizeof(vop_6010_ntsc_d1); 184 } else { 185 vop = vop_6010_pal_d1; 186 vop_len = sizeof(vop_6010_pal_d1); 187 } 188 } 189 } 190 191 memcpy(solo_enc->vop, vop, vop_len); 192 193 /* Some fixups for 6010/M4V */ 194 if (solo_dev->type == SOLO_DEV_6010) { 195 u16 fps = solo_dev->fps * 1000; 196 u16 interval = solo_enc->interval * 1000; 197 198 vop = solo_enc->vop; 199 200 /* Frame rate and interval */ 201 vop[22] = fps >> 4; 202 vop[23] = ((fps << 4) & 0xf0) | 0x0c 203 | ((interval >> 13) & 0x3); 204 vop[24] = (interval >> 5) & 0xff; 205 vop[25] = ((interval << 3) & 0xf8) | 0x04; 206 } 207 208 solo_enc->vop_len = vop_len; 209 210 /* Now handle the jpeg header */ 211 vop = solo_enc->jpeg_header; 212 vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8); 213 vop[SOF0_START + 6] = 0xff & solo_enc->height; 214 vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8); 215 vop[SOF0_START + 8] = 0xff & solo_enc->width; 216 217 memcpy(vop + DQT_START, 218 jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN); 219 } 220 221 static int solo_enc_on(struct solo_enc_dev *solo_enc) 222 { 223 u8 ch = solo_enc->ch; 224 struct solo_dev *solo_dev = solo_enc->solo_dev; 225 u8 interval; 226 227 solo_update_mode(solo_enc); 228 229 /* Make sure to do a bandwidth check */ 230 if (solo_enc->bw_weight > solo_dev->enc_bw_remain) 231 return -EBUSY; 232 solo_enc->sequence = 0; 233 solo_dev->enc_bw_remain -= solo_enc->bw_weight; 234 235 if (solo_enc->type == SOLO_ENC_TYPE_EXT) 236 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1); 237 238 /* Disable all encoding for this channel */ 239 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0); 240 241 /* Common for both std and ext encoding */ 242 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch), 243 solo_enc->interlaced ? 1 : 0); 244 245 if (solo_enc->interlaced) 246 interval = solo_enc->interval - 1; 247 else 248 interval = solo_enc->interval; 249 250 /* Standard encoding only */ 251 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop); 252 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp); 253 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval); 254 255 /* Extended encoding only */ 256 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop); 257 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp); 258 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval); 259 260 /* Enables the standard encoder */ 261 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode); 262 263 return 0; 264 } 265 266 static void solo_enc_off(struct solo_enc_dev *solo_enc) 267 { 268 struct solo_dev *solo_dev = solo_enc->solo_dev; 269 270 solo_dev->enc_bw_remain += solo_enc->bw_weight; 271 272 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0); 273 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0); 274 } 275 276 static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma, 277 unsigned int off, unsigned int size) 278 { 279 int ret; 280 281 if (off > SOLO_MP4E_EXT_SIZE(solo_dev)) 282 return -EINVAL; 283 284 /* Single shot */ 285 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) { 286 return solo_p2m_dma_t(solo_dev, 0, dma, 287 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size, 288 0, 0); 289 } 290 291 /* Buffer wrap */ 292 ret = solo_p2m_dma_t(solo_dev, 0, dma, 293 SOLO_MP4E_EXT_ADDR(solo_dev) + off, 294 SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0); 295 296 if (!ret) { 297 ret = solo_p2m_dma_t(solo_dev, 0, 298 dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off, 299 SOLO_MP4E_EXT_ADDR(solo_dev), 300 size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0); 301 } 302 303 return ret; 304 } 305 306 /* Build a descriptor queue out of an SG list and send it to the P2M for 307 * processing. */ 308 static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip, 309 struct sg_table *vbuf, int off, int size, 310 unsigned int base, unsigned int base_size) 311 { 312 struct solo_dev *solo_dev = solo_enc->solo_dev; 313 struct scatterlist *sg; 314 int i; 315 int ret; 316 317 if (WARN_ON_ONCE(size > FRAME_BUF_SIZE)) 318 return -EINVAL; 319 320 solo_enc->desc_count = 1; 321 322 for_each_sg(vbuf->sgl, sg, vbuf->nents, i) { 323 struct solo_p2m_desc *desc; 324 dma_addr_t dma; 325 int len; 326 int left = base_size - off; 327 328 desc = &solo_enc->desc_items[solo_enc->desc_count++]; 329 dma = sg_dma_address(sg); 330 len = sg_dma_len(sg); 331 332 /* We assume this is smaller than the scatter size */ 333 BUG_ON(skip >= len); 334 if (skip) { 335 len -= skip; 336 dma += skip; 337 size -= skip; 338 skip = 0; 339 } 340 341 len = min(len, size); 342 343 if (len <= left) { 344 /* Single descriptor */ 345 solo_p2m_fill_desc(desc, 0, dma, base + off, 346 len, 0, 0); 347 } else { 348 /* Buffer wrap */ 349 /* XXX: Do these as separate DMA requests, to avoid 350 timeout errors triggered by awkwardly sized 351 descriptors. See 352 <https://github.com/bluecherrydvr/solo6x10/issues/8> 353 */ 354 ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off, 355 left, 0, 0); 356 if (ret) 357 return ret; 358 359 ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base, 360 len - left, 0, 0); 361 if (ret) 362 return ret; 363 364 solo_enc->desc_count--; 365 } 366 367 size -= len; 368 if (size <= 0) 369 break; 370 371 off += len; 372 if (off >= base_size) 373 off -= base_size; 374 375 /* Because we may use two descriptors per loop */ 376 if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) { 377 ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 378 solo_enc->desc_dma, 379 solo_enc->desc_count - 1); 380 if (ret) 381 return ret; 382 solo_enc->desc_count = 1; 383 } 384 } 385 386 if (solo_enc->desc_count <= 1) 387 return 0; 388 389 return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 390 solo_enc->desc_dma, solo_enc->desc_count - 1); 391 } 392 393 /* Extract values from VOP header - VE_STATUSxx */ 394 static inline int vop_interlaced(const vop_header *vh) 395 { 396 return (__le32_to_cpu((*vh)[0]) >> 30) & 1; 397 } 398 399 static inline u8 vop_channel(const vop_header *vh) 400 { 401 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; 402 } 403 404 static inline u8 vop_type(const vop_header *vh) 405 { 406 return (__le32_to_cpu((*vh)[0]) >> 22) & 3; 407 } 408 409 static inline u32 vop_mpeg_size(const vop_header *vh) 410 { 411 return __le32_to_cpu((*vh)[0]) & 0xFFFFF; 412 } 413 414 static inline u8 vop_hsize(const vop_header *vh) 415 { 416 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; 417 } 418 419 static inline u8 vop_vsize(const vop_header *vh) 420 { 421 return __le32_to_cpu((*vh)[1]) & 0xFF; 422 } 423 424 static inline u32 vop_mpeg_offset(const vop_header *vh) 425 { 426 return __le32_to_cpu((*vh)[2]); 427 } 428 429 static inline u32 vop_jpeg_offset(const vop_header *vh) 430 { 431 return __le32_to_cpu((*vh)[3]); 432 } 433 434 static inline u32 vop_jpeg_size(const vop_header *vh) 435 { 436 return __le32_to_cpu((*vh)[4]) & 0xFFFFF; 437 } 438 439 static inline u32 vop_sec(const vop_header *vh) 440 { 441 return __le32_to_cpu((*vh)[5]); 442 } 443 444 static inline u32 vop_usec(const vop_header *vh) 445 { 446 return __le32_to_cpu((*vh)[6]); 447 } 448 449 static int solo_fill_jpeg(struct solo_enc_dev *solo_enc, 450 struct vb2_buffer *vb, const vop_header *vh) 451 { 452 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 453 struct solo_dev *solo_dev = solo_enc->solo_dev; 454 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 455 int frame_size; 456 457 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; 458 459 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len) 460 return -EIO; 461 462 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN); 463 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len); 464 465 return solo_send_desc(solo_enc, solo_enc->jpeg_len, sgt, 466 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), 467 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), 468 SOLO_JPEG_EXT_SIZE(solo_dev)); 469 } 470 471 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, 472 struct vb2_buffer *vb, const vop_header *vh) 473 { 474 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 475 struct solo_dev *solo_dev = solo_enc->solo_dev; 476 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 477 int frame_off, frame_size; 478 int skip = 0; 479 480 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh)) 481 return -EIO; 482 483 /* If this is a key frame, add extra header */ 484 vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME | 485 V4L2_BUF_FLAG_BFRAME); 486 if (!vop_type(vh)) { 487 skip = solo_enc->vop_len; 488 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; 489 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + 490 solo_enc->vop_len); 491 } else { 492 vbuf->flags |= V4L2_BUF_FLAG_PFRAME; 493 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh)); 494 } 495 496 /* Now get the actual mpeg payload */ 497 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) + 498 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev); 499 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN); 500 501 return solo_send_desc(solo_enc, skip, sgt, frame_off, frame_size, 502 SOLO_MP4E_EXT_ADDR(solo_dev), 503 SOLO_MP4E_EXT_SIZE(solo_dev)); 504 } 505 506 static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc, 507 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf) 508 { 509 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 510 const vop_header *vh = enc_buf->vh; 511 int ret; 512 513 switch (solo_enc->fmt) { 514 case V4L2_PIX_FMT_MPEG4: 515 case V4L2_PIX_FMT_H264: 516 ret = solo_fill_mpeg(solo_enc, vb, vh); 517 break; 518 default: /* V4L2_PIX_FMT_MJPEG */ 519 ret = solo_fill_jpeg(solo_enc, vb, vh); 520 break; 521 } 522 523 if (!ret) { 524 vbuf->sequence = solo_enc->sequence++; 525 vb->timestamp = ktime_get_ns(); 526 527 /* Check for motion flags */ 528 if (solo_is_motion_on(solo_enc) && enc_buf->motion) { 529 struct v4l2_event ev = { 530 .type = V4L2_EVENT_MOTION_DET, 531 .u.motion_det = { 532 .flags 533 = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, 534 .frame_sequence = vbuf->sequence, 535 .region_mask = enc_buf->motion ? 1 : 0, 536 }, 537 }; 538 539 v4l2_event_queue(solo_enc->vfd, &ev); 540 } 541 } 542 543 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 544 545 return ret; 546 } 547 548 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, 549 struct solo_enc_buf *enc_buf) 550 { 551 struct solo_vb2_buf *vb; 552 unsigned long flags; 553 554 mutex_lock(&solo_enc->lock); 555 if (solo_enc->type != enc_buf->type) 556 goto unlock; 557 558 spin_lock_irqsave(&solo_enc->av_lock, flags); 559 if (list_empty(&solo_enc->vidq_active)) { 560 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 561 goto unlock; 562 } 563 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, 564 list); 565 list_del(&vb->list); 566 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 567 568 solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf); 569 unlock: 570 mutex_unlock(&solo_enc->lock); 571 } 572 573 void solo_enc_v4l2_isr(struct solo_dev *solo_dev) 574 { 575 wake_up_interruptible_all(&solo_dev->ring_thread_wait); 576 } 577 578 static void solo_handle_ring(struct solo_dev *solo_dev) 579 { 580 for (;;) { 581 struct solo_enc_dev *solo_enc; 582 struct solo_enc_buf enc_buf; 583 u32 mpeg_current, off; 584 u8 ch; 585 u8 cur_q; 586 587 /* Check if the hardware has any new ones in the queue */ 588 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; 589 if (cur_q == solo_dev->enc_idx) 590 break; 591 592 mpeg_current = solo_reg_read(solo_dev, 593 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); 594 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; 595 596 ch = (mpeg_current >> 24) & 0x1f; 597 off = mpeg_current & 0x00ffffff; 598 599 if (ch >= SOLO_MAX_CHANNELS) { 600 ch -= SOLO_MAX_CHANNELS; 601 enc_buf.type = SOLO_ENC_TYPE_EXT; 602 } else 603 enc_buf.type = SOLO_ENC_TYPE_STD; 604 605 solo_enc = solo_dev->v4l2_enc[ch]; 606 if (solo_enc == NULL) { 607 dev_err(&solo_dev->pdev->dev, 608 "Got spurious packet for channel %d\n", ch); 609 continue; 610 } 611 612 /* FAIL... */ 613 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, 614 sizeof(vop_header))) 615 continue; 616 617 enc_buf.vh = solo_dev->vh_buf; 618 619 /* Sanity check */ 620 if (vop_mpeg_offset(enc_buf.vh) != 621 SOLO_MP4E_EXT_ADDR(solo_dev) + off) 622 continue; 623 624 if (solo_motion_detected(solo_enc)) 625 enc_buf.motion = 1; 626 else 627 enc_buf.motion = 0; 628 629 solo_enc_handle_one(solo_enc, &enc_buf); 630 } 631 } 632 633 static int solo_ring_thread(void *data) 634 { 635 struct solo_dev *solo_dev = data; 636 DECLARE_WAITQUEUE(wait, current); 637 638 set_freezable(); 639 add_wait_queue(&solo_dev->ring_thread_wait, &wait); 640 641 for (;;) { 642 long timeout = schedule_timeout_interruptible(HZ); 643 644 if (timeout == -ERESTARTSYS || kthread_should_stop()) 645 break; 646 solo_handle_ring(solo_dev); 647 try_to_freeze(); 648 } 649 650 remove_wait_queue(&solo_dev->ring_thread_wait, &wait); 651 652 return 0; 653 } 654 655 static int solo_enc_queue_setup(struct vb2_queue *q, 656 unsigned int *num_buffers, 657 unsigned int *num_planes, unsigned int sizes[], 658 struct device *alloc_devs[]) 659 { 660 sizes[0] = FRAME_BUF_SIZE; 661 *num_planes = 1; 662 663 if (*num_buffers < MIN_VID_BUFFERS) 664 *num_buffers = MIN_VID_BUFFERS; 665 666 return 0; 667 } 668 669 static void solo_enc_buf_queue(struct vb2_buffer *vb) 670 { 671 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 672 struct vb2_queue *vq = vb->vb2_queue; 673 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); 674 struct solo_vb2_buf *solo_vb = 675 container_of(vbuf, struct solo_vb2_buf, vb); 676 677 spin_lock(&solo_enc->av_lock); 678 list_add_tail(&solo_vb->list, &solo_enc->vidq_active); 679 spin_unlock(&solo_enc->av_lock); 680 } 681 682 static int solo_ring_start(struct solo_dev *solo_dev) 683 { 684 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, 685 SOLO6X10_NAME "_ring"); 686 if (IS_ERR(solo_dev->ring_thread)) { 687 int err = PTR_ERR(solo_dev->ring_thread); 688 689 solo_dev->ring_thread = NULL; 690 return err; 691 } 692 693 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 694 695 return 0; 696 } 697 698 static void solo_ring_stop(struct solo_dev *solo_dev) 699 { 700 if (solo_dev->ring_thread) { 701 kthread_stop(solo_dev->ring_thread); 702 solo_dev->ring_thread = NULL; 703 } 704 705 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 706 } 707 708 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) 709 { 710 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 711 712 return solo_enc_on(solo_enc); 713 } 714 715 static void solo_enc_stop_streaming(struct vb2_queue *q) 716 { 717 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 718 unsigned long flags; 719 720 spin_lock_irqsave(&solo_enc->av_lock, flags); 721 solo_enc_off(solo_enc); 722 while (!list_empty(&solo_enc->vidq_active)) { 723 struct solo_vb2_buf *buf = list_entry( 724 solo_enc->vidq_active.next, 725 struct solo_vb2_buf, list); 726 727 list_del(&buf->list); 728 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 729 } 730 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 731 } 732 733 static void solo_enc_buf_finish(struct vb2_buffer *vb) 734 { 735 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 736 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); 737 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 738 739 switch (solo_enc->fmt) { 740 case V4L2_PIX_FMT_MPEG4: 741 case V4L2_PIX_FMT_H264: 742 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME) 743 sg_copy_from_buffer(sgt->sgl, sgt->nents, 744 solo_enc->vop, solo_enc->vop_len); 745 break; 746 default: /* V4L2_PIX_FMT_MJPEG */ 747 sg_copy_from_buffer(sgt->sgl, sgt->nents, 748 solo_enc->jpeg_header, solo_enc->jpeg_len); 749 break; 750 } 751 } 752 753 static const struct vb2_ops solo_enc_video_qops = { 754 .queue_setup = solo_enc_queue_setup, 755 .buf_queue = solo_enc_buf_queue, 756 .buf_finish = solo_enc_buf_finish, 757 .start_streaming = solo_enc_start_streaming, 758 .stop_streaming = solo_enc_stop_streaming, 759 .wait_prepare = vb2_ops_wait_prepare, 760 .wait_finish = vb2_ops_wait_finish, 761 }; 762 763 static int solo_enc_querycap(struct file *file, void *priv, 764 struct v4l2_capability *cap) 765 { 766 struct solo_enc_dev *solo_enc = video_drvdata(file); 767 struct solo_dev *solo_dev = solo_enc->solo_dev; 768 769 strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver)); 770 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", 771 solo_enc->ch); 772 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", 773 pci_name(solo_dev->pdev)); 774 return 0; 775 } 776 777 static int solo_enc_enum_input(struct file *file, void *priv, 778 struct v4l2_input *input) 779 { 780 struct solo_enc_dev *solo_enc = video_drvdata(file); 781 struct solo_dev *solo_dev = solo_enc->solo_dev; 782 783 if (input->index) 784 return -EINVAL; 785 786 snprintf(input->name, sizeof(input->name), "Encoder %d", 787 solo_enc->ch + 1); 788 input->type = V4L2_INPUT_TYPE_CAMERA; 789 input->std = solo_enc->vfd->tvnorms; 790 791 if (!tw28_get_video_status(solo_dev, solo_enc->ch)) 792 input->status = V4L2_IN_ST_NO_SIGNAL; 793 794 return 0; 795 } 796 797 static int solo_enc_set_input(struct file *file, void *priv, 798 unsigned int index) 799 { 800 if (index) 801 return -EINVAL; 802 803 return 0; 804 } 805 806 static int solo_enc_get_input(struct file *file, void *priv, 807 unsigned int *index) 808 { 809 *index = 0; 810 811 return 0; 812 } 813 814 static int solo_enc_enum_fmt_cap(struct file *file, void *priv, 815 struct v4l2_fmtdesc *f) 816 { 817 struct solo_enc_dev *solo_enc = video_drvdata(file); 818 int dev_type = solo_enc->solo_dev->type; 819 820 switch (f->index) { 821 case 0: 822 switch (dev_type) { 823 case SOLO_DEV_6010: 824 f->pixelformat = V4L2_PIX_FMT_MPEG4; 825 break; 826 case SOLO_DEV_6110: 827 f->pixelformat = V4L2_PIX_FMT_H264; 828 break; 829 } 830 break; 831 case 1: 832 f->pixelformat = V4L2_PIX_FMT_MJPEG; 833 break; 834 default: 835 return -EINVAL; 836 } 837 return 0; 838 } 839 840 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) 841 { 842 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) 843 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) 844 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; 845 } 846 847 static int solo_enc_try_fmt_cap(struct file *file, void *priv, 848 struct v4l2_format *f) 849 { 850 struct solo_enc_dev *solo_enc = video_drvdata(file); 851 struct solo_dev *solo_dev = solo_enc->solo_dev; 852 struct v4l2_pix_format *pix = &f->fmt.pix; 853 854 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) 855 return -EINVAL; 856 857 if (pix->width < solo_dev->video_hsize || 858 pix->height < solo_dev->video_vsize << 1) { 859 /* Default to CIF 1/2 size */ 860 pix->width = solo_dev->video_hsize >> 1; 861 pix->height = solo_dev->video_vsize; 862 } else { 863 /* Full frame */ 864 pix->width = solo_dev->video_hsize; 865 pix->height = solo_dev->video_vsize << 1; 866 } 867 868 switch (pix->field) { 869 case V4L2_FIELD_NONE: 870 case V4L2_FIELD_INTERLACED: 871 break; 872 case V4L2_FIELD_ANY: 873 default: 874 pix->field = V4L2_FIELD_INTERLACED; 875 break; 876 } 877 878 /* Just set these */ 879 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 880 pix->sizeimage = FRAME_BUF_SIZE; 881 pix->bytesperline = 0; 882 883 return 0; 884 } 885 886 static int solo_enc_set_fmt_cap(struct file *file, void *priv, 887 struct v4l2_format *f) 888 { 889 struct solo_enc_dev *solo_enc = video_drvdata(file); 890 struct solo_dev *solo_dev = solo_enc->solo_dev; 891 struct v4l2_pix_format *pix = &f->fmt.pix; 892 int ret; 893 894 if (vb2_is_busy(&solo_enc->vidq)) 895 return -EBUSY; 896 897 ret = solo_enc_try_fmt_cap(file, priv, f); 898 if (ret) 899 return ret; 900 901 if (pix->width == solo_dev->video_hsize) 902 solo_enc->mode = SOLO_ENC_MODE_D1; 903 else 904 solo_enc->mode = SOLO_ENC_MODE_CIF; 905 906 /* This does not change the encoder at all */ 907 solo_enc->fmt = pix->pixelformat; 908 909 /* 910 * More information is needed about these 'extended' types. As far 911 * as I can tell these are basically additional video streams with 912 * different MPEG encoding attributes that can run in parallel with 913 * the main stream. If so, then this should be implemented as a 914 * second video node. Abusing priv like this is certainly not the 915 * right approach. 916 if (pix->priv) 917 solo_enc->type = SOLO_ENC_TYPE_EXT; 918 */ 919 solo_update_mode(solo_enc); 920 return 0; 921 } 922 923 static int solo_enc_get_fmt_cap(struct file *file, void *priv, 924 struct v4l2_format *f) 925 { 926 struct solo_enc_dev *solo_enc = video_drvdata(file); 927 struct v4l2_pix_format *pix = &f->fmt.pix; 928 929 pix->width = solo_enc->width; 930 pix->height = solo_enc->height; 931 pix->pixelformat = solo_enc->fmt; 932 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : 933 V4L2_FIELD_NONE; 934 pix->sizeimage = FRAME_BUF_SIZE; 935 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 936 937 return 0; 938 } 939 940 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) 941 { 942 struct solo_enc_dev *solo_enc = video_drvdata(file); 943 struct solo_dev *solo_dev = solo_enc->solo_dev; 944 945 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 946 *i = V4L2_STD_NTSC_M; 947 else 948 *i = V4L2_STD_PAL; 949 return 0; 950 } 951 952 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) 953 { 954 struct solo_enc_dev *solo_enc = video_drvdata(file); 955 956 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); 957 } 958 959 static int solo_enum_framesizes(struct file *file, void *priv, 960 struct v4l2_frmsizeenum *fsize) 961 { 962 struct solo_enc_dev *solo_enc = video_drvdata(file); 963 struct solo_dev *solo_dev = solo_enc->solo_dev; 964 965 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) 966 return -EINVAL; 967 968 switch (fsize->index) { 969 case 0: 970 fsize->discrete.width = solo_dev->video_hsize >> 1; 971 fsize->discrete.height = solo_dev->video_vsize; 972 break; 973 case 1: 974 fsize->discrete.width = solo_dev->video_hsize; 975 fsize->discrete.height = solo_dev->video_vsize << 1; 976 break; 977 default: 978 return -EINVAL; 979 } 980 981 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 982 983 return 0; 984 } 985 986 static int solo_enum_frameintervals(struct file *file, void *priv, 987 struct v4l2_frmivalenum *fintv) 988 { 989 struct solo_enc_dev *solo_enc = video_drvdata(file); 990 struct solo_dev *solo_dev = solo_enc->solo_dev; 991 992 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) 993 return -EINVAL; 994 if (fintv->index) 995 return -EINVAL; 996 if ((fintv->width != solo_dev->video_hsize >> 1 || 997 fintv->height != solo_dev->video_vsize) && 998 (fintv->width != solo_dev->video_hsize || 999 fintv->height != solo_dev->video_vsize << 1)) 1000 return -EINVAL; 1001 1002 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; 1003 1004 fintv->stepwise.min.numerator = 1; 1005 fintv->stepwise.min.denominator = solo_dev->fps; 1006 1007 fintv->stepwise.max.numerator = 15; 1008 fintv->stepwise.max.denominator = solo_dev->fps; 1009 1010 fintv->stepwise.step.numerator = 1; 1011 fintv->stepwise.step.denominator = solo_dev->fps; 1012 1013 return 0; 1014 } 1015 1016 static int solo_g_parm(struct file *file, void *priv, 1017 struct v4l2_streamparm *sp) 1018 { 1019 struct solo_enc_dev *solo_enc = video_drvdata(file); 1020 struct v4l2_captureparm *cp = &sp->parm.capture; 1021 1022 cp->capability = V4L2_CAP_TIMEPERFRAME; 1023 cp->timeperframe.numerator = solo_enc->interval; 1024 cp->timeperframe.denominator = solo_enc->solo_dev->fps; 1025 cp->capturemode = 0; 1026 /* XXX: Shouldn't we be able to get/set this from videobuf? */ 1027 cp->readbuffers = 2; 1028 1029 return 0; 1030 } 1031 1032 static inline int calc_interval(u8 fps, u32 n, u32 d) 1033 { 1034 if (!n || !d) 1035 return 1; 1036 if (d == fps) 1037 return n; 1038 n *= fps; 1039 return min(15U, n / d + (n % d >= (fps >> 1))); 1040 } 1041 1042 static int solo_s_parm(struct file *file, void *priv, 1043 struct v4l2_streamparm *sp) 1044 { 1045 struct solo_enc_dev *solo_enc = video_drvdata(file); 1046 struct v4l2_fract *t = &sp->parm.capture.timeperframe; 1047 u8 fps = solo_enc->solo_dev->fps; 1048 1049 if (vb2_is_streaming(&solo_enc->vidq)) 1050 return -EBUSY; 1051 1052 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); 1053 solo_update_mode(solo_enc); 1054 return solo_g_parm(file, priv, sp); 1055 } 1056 1057 static int solo_s_ctrl(struct v4l2_ctrl *ctrl) 1058 { 1059 struct solo_enc_dev *solo_enc = 1060 container_of(ctrl->handler, struct solo_enc_dev, hdl); 1061 struct solo_dev *solo_dev = solo_enc->solo_dev; 1062 int err; 1063 1064 switch (ctrl->id) { 1065 case V4L2_CID_BRIGHTNESS: 1066 case V4L2_CID_CONTRAST: 1067 case V4L2_CID_SATURATION: 1068 case V4L2_CID_HUE: 1069 case V4L2_CID_SHARPNESS: 1070 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, 1071 ctrl->val); 1072 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 1073 solo_enc->gop = ctrl->val; 1074 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); 1075 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); 1076 return 0; 1077 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: 1078 solo_enc->qp = ctrl->val; 1079 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); 1080 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); 1081 return 0; 1082 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: 1083 solo_enc->motion_thresh = ctrl->val << 8; 1084 if (!solo_enc->motion_global || !solo_enc->motion_enabled) 1085 return 0; 1086 return solo_set_motion_threshold(solo_dev, solo_enc->ch, 1087 solo_enc->motion_thresh); 1088 case V4L2_CID_DETECT_MD_MODE: 1089 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; 1090 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; 1091 if (ctrl->val) { 1092 if (solo_enc->motion_global) 1093 err = solo_set_motion_threshold(solo_dev, solo_enc->ch, 1094 solo_enc->motion_thresh); 1095 else 1096 err = solo_set_motion_block(solo_dev, solo_enc->ch, 1097 solo_enc->md_thresholds->p_cur.p_u16); 1098 if (err) 1099 return err; 1100 } 1101 solo_motion_toggle(solo_enc, ctrl->val); 1102 return 0; 1103 case V4L2_CID_DETECT_MD_THRESHOLD_GRID: 1104 if (solo_enc->motion_enabled && !solo_enc->motion_global) 1105 return solo_set_motion_block(solo_dev, solo_enc->ch, 1106 solo_enc->md_thresholds->p_new.p_u16); 1107 break; 1108 case V4L2_CID_OSD_TEXT: 1109 strscpy(solo_enc->osd_text, ctrl->p_new.p_char, 1110 sizeof(solo_enc->osd_text)); 1111 return solo_osd_print(solo_enc); 1112 default: 1113 return -EINVAL; 1114 } 1115 1116 return 0; 1117 } 1118 1119 static int solo_subscribe_event(struct v4l2_fh *fh, 1120 const struct v4l2_event_subscription *sub) 1121 { 1122 1123 switch (sub->type) { 1124 case V4L2_EVENT_MOTION_DET: 1125 /* Allow for up to 30 events (1 second for NTSC) to be 1126 * stored. */ 1127 return v4l2_event_subscribe(fh, sub, 30, NULL); 1128 default: 1129 return v4l2_ctrl_subscribe_event(fh, sub); 1130 } 1131 } 1132 1133 static const struct v4l2_file_operations solo_enc_fops = { 1134 .owner = THIS_MODULE, 1135 .open = v4l2_fh_open, 1136 .release = vb2_fop_release, 1137 .read = vb2_fop_read, 1138 .poll = vb2_fop_poll, 1139 .mmap = vb2_fop_mmap, 1140 .unlocked_ioctl = video_ioctl2, 1141 }; 1142 1143 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { 1144 .vidioc_querycap = solo_enc_querycap, 1145 .vidioc_s_std = solo_enc_s_std, 1146 .vidioc_g_std = solo_enc_g_std, 1147 /* Input callbacks */ 1148 .vidioc_enum_input = solo_enc_enum_input, 1149 .vidioc_s_input = solo_enc_set_input, 1150 .vidioc_g_input = solo_enc_get_input, 1151 /* Video capture format callbacks */ 1152 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, 1153 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, 1154 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, 1155 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, 1156 /* Streaming I/O */ 1157 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1158 .vidioc_querybuf = vb2_ioctl_querybuf, 1159 .vidioc_qbuf = vb2_ioctl_qbuf, 1160 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1161 .vidioc_streamon = vb2_ioctl_streamon, 1162 .vidioc_streamoff = vb2_ioctl_streamoff, 1163 /* Frame size and interval */ 1164 .vidioc_enum_framesizes = solo_enum_framesizes, 1165 .vidioc_enum_frameintervals = solo_enum_frameintervals, 1166 /* Video capture parameters */ 1167 .vidioc_s_parm = solo_s_parm, 1168 .vidioc_g_parm = solo_g_parm, 1169 /* Logging and events */ 1170 .vidioc_log_status = v4l2_ctrl_log_status, 1171 .vidioc_subscribe_event = solo_subscribe_event, 1172 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1173 }; 1174 1175 static const struct video_device solo_enc_template = { 1176 .name = SOLO6X10_NAME, 1177 .fops = &solo_enc_fops, 1178 .ioctl_ops = &solo_enc_ioctl_ops, 1179 .minor = -1, 1180 .release = video_device_release, 1181 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, 1182 .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | 1183 V4L2_CAP_STREAMING, 1184 }; 1185 1186 static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1187 .s_ctrl = solo_s_ctrl, 1188 }; 1189 1190 static const struct v4l2_ctrl_config solo_osd_text_ctrl = { 1191 .ops = &solo_ctrl_ops, 1192 .id = V4L2_CID_OSD_TEXT, 1193 .name = "OSD Text", 1194 .type = V4L2_CTRL_TYPE_STRING, 1195 .max = OSD_TEXT_MAX, 1196 .step = 1, 1197 }; 1198 1199 /* Motion Detection Threshold matrix */ 1200 static const struct v4l2_ctrl_config solo_md_thresholds = { 1201 .ops = &solo_ctrl_ops, 1202 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, 1203 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, 1204 .def = SOLO_DEF_MOT_THRESH, 1205 .max = 65535, 1206 .step = 1, 1207 }; 1208 1209 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, 1210 u8 ch, unsigned nr) 1211 { 1212 struct solo_enc_dev *solo_enc; 1213 struct v4l2_ctrl_handler *hdl; 1214 int ret; 1215 1216 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); 1217 if (!solo_enc) 1218 return ERR_PTR(-ENOMEM); 1219 1220 hdl = &solo_enc->hdl; 1221 v4l2_ctrl_handler_init(hdl, 10); 1222 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1223 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1224 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1225 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1226 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1227 V4L2_CID_SATURATION, 0, 255, 1, 128); 1228 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1229 V4L2_CID_HUE, 0, 255, 1, 128); 1230 if (tw28_has_sharpness(solo_dev, ch)) 1231 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1232 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1233 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1234 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1235 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1236 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1237 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1238 V4L2_CID_DETECT_MD_MODE, 1239 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1240 V4L2_DETECT_MD_MODE_DISABLED); 1241 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1242 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1243 SOLO_DEF_MOT_THRESH >> 8); 1244 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1245 solo_enc->md_thresholds = 1246 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1247 if (hdl->error) { 1248 ret = hdl->error; 1249 goto hdl_free; 1250 } 1251 1252 solo_enc->solo_dev = solo_dev; 1253 solo_enc->ch = ch; 1254 mutex_init(&solo_enc->lock); 1255 spin_lock_init(&solo_enc->av_lock); 1256 INIT_LIST_HEAD(&solo_enc->vidq_active); 1257 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1258 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1259 solo_enc->type = SOLO_ENC_TYPE_STD; 1260 1261 solo_enc->qp = SOLO_DEFAULT_QP; 1262 solo_enc->gop = solo_dev->fps; 1263 solo_enc->interval = 1; 1264 solo_enc->mode = SOLO_ENC_MODE_CIF; 1265 solo_enc->motion_global = true; 1266 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1267 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1268 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1269 solo_enc->vidq.ops = &solo_enc_video_qops; 1270 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1271 solo_enc->vidq.drv_priv = solo_enc; 1272 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM; 1273 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1274 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1275 solo_enc->vidq.lock = &solo_enc->lock; 1276 solo_enc->vidq.dev = &solo_dev->pdev->dev; 1277 ret = vb2_queue_init(&solo_enc->vidq); 1278 if (ret) 1279 goto hdl_free; 1280 solo_update_mode(solo_enc); 1281 1282 spin_lock_init(&solo_enc->motion_lock); 1283 1284 /* Initialize this per encoder */ 1285 solo_enc->jpeg_len = sizeof(jpeg_header); 1286 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1287 1288 solo_enc->desc_nelts = 32; 1289 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev, 1290 sizeof(struct solo_p2m_desc) * 1291 solo_enc->desc_nelts, 1292 &solo_enc->desc_dma); 1293 ret = -ENOMEM; 1294 if (solo_enc->desc_items == NULL) 1295 goto hdl_free; 1296 1297 solo_enc->vfd = video_device_alloc(); 1298 if (!solo_enc->vfd) 1299 goto pci_free; 1300 1301 *solo_enc->vfd = solo_enc_template; 1302 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1303 solo_enc->vfd->ctrl_handler = hdl; 1304 solo_enc->vfd->queue = &solo_enc->vidq; 1305 solo_enc->vfd->lock = &solo_enc->lock; 1306 video_set_drvdata(solo_enc->vfd, solo_enc); 1307 ret = video_register_device(solo_enc->vfd, VFL_TYPE_VIDEO, nr); 1308 if (ret < 0) 1309 goto vdev_release; 1310 1311 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1312 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1313 solo_enc->vfd->num); 1314 1315 return solo_enc; 1316 1317 vdev_release: 1318 video_device_release(solo_enc->vfd); 1319 pci_free: 1320 pci_free_consistent(solo_enc->solo_dev->pdev, 1321 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1322 solo_enc->desc_items, solo_enc->desc_dma); 1323 hdl_free: 1324 v4l2_ctrl_handler_free(hdl); 1325 kfree(solo_enc); 1326 return ERR_PTR(ret); 1327 } 1328 1329 static void solo_enc_free(struct solo_enc_dev *solo_enc) 1330 { 1331 if (solo_enc == NULL) 1332 return; 1333 1334 pci_free_consistent(solo_enc->solo_dev->pdev, 1335 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1336 solo_enc->desc_items, solo_enc->desc_dma); 1337 video_unregister_device(solo_enc->vfd); 1338 v4l2_ctrl_handler_free(&solo_enc->hdl); 1339 kfree(solo_enc); 1340 } 1341 1342 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1343 { 1344 int i; 1345 1346 init_waitqueue_head(&solo_dev->ring_thread_wait); 1347 1348 solo_dev->vh_size = sizeof(vop_header); 1349 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev, 1350 solo_dev->vh_size, 1351 &solo_dev->vh_dma); 1352 if (solo_dev->vh_buf == NULL) 1353 return -ENOMEM; 1354 1355 for (i = 0; i < solo_dev->nr_chans; i++) { 1356 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1357 if (IS_ERR(solo_dev->v4l2_enc[i])) 1358 break; 1359 } 1360 1361 if (i != solo_dev->nr_chans) { 1362 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1363 1364 while (i--) 1365 solo_enc_free(solo_dev->v4l2_enc[i]); 1366 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1367 solo_dev->vh_buf, solo_dev->vh_dma); 1368 solo_dev->vh_buf = NULL; 1369 return ret; 1370 } 1371 1372 if (solo_dev->type == SOLO_DEV_6010) 1373 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1374 else 1375 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1376 1377 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1378 solo_dev->v4l2_enc[0]->vfd->num, 1379 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1380 1381 return solo_ring_start(solo_dev); 1382 } 1383 1384 void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1385 { 1386 int i; 1387 1388 solo_ring_stop(solo_dev); 1389 1390 for (i = 0; i < solo_dev->nr_chans; i++) 1391 solo_enc_free(solo_dev->v4l2_enc[i]); 1392 1393 if (solo_dev->vh_buf) 1394 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1395 solo_dev->vh_buf, solo_dev->vh_dma); 1396 } 1397