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 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 void *alloc_ctxs[]) 668 { 669 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 670 671 sizes[0] = FRAME_BUF_SIZE; 672 alloc_ctxs[0] = solo_enc->alloc_ctx; 673 *num_planes = 1; 674 675 if (*num_buffers < MIN_VID_BUFFERS) 676 *num_buffers = MIN_VID_BUFFERS; 677 678 return 0; 679 } 680 681 static void solo_enc_buf_queue(struct vb2_buffer *vb) 682 { 683 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 684 struct vb2_queue *vq = vb->vb2_queue; 685 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); 686 struct solo_vb2_buf *solo_vb = 687 container_of(vbuf, struct solo_vb2_buf, vb); 688 689 spin_lock(&solo_enc->av_lock); 690 list_add_tail(&solo_vb->list, &solo_enc->vidq_active); 691 spin_unlock(&solo_enc->av_lock); 692 } 693 694 static int solo_ring_start(struct solo_dev *solo_dev) 695 { 696 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, 697 SOLO6X10_NAME "_ring"); 698 if (IS_ERR(solo_dev->ring_thread)) { 699 int err = PTR_ERR(solo_dev->ring_thread); 700 701 solo_dev->ring_thread = NULL; 702 return err; 703 } 704 705 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 706 707 return 0; 708 } 709 710 static void solo_ring_stop(struct solo_dev *solo_dev) 711 { 712 if (solo_dev->ring_thread) { 713 kthread_stop(solo_dev->ring_thread); 714 solo_dev->ring_thread = NULL; 715 } 716 717 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 718 } 719 720 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) 721 { 722 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 723 724 return solo_enc_on(solo_enc); 725 } 726 727 static void solo_enc_stop_streaming(struct vb2_queue *q) 728 { 729 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 730 unsigned long flags; 731 732 spin_lock_irqsave(&solo_enc->av_lock, flags); 733 solo_enc_off(solo_enc); 734 while (!list_empty(&solo_enc->vidq_active)) { 735 struct solo_vb2_buf *buf = list_entry( 736 solo_enc->vidq_active.next, 737 struct solo_vb2_buf, list); 738 739 list_del(&buf->list); 740 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 741 } 742 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 743 } 744 745 static void solo_enc_buf_finish(struct vb2_buffer *vb) 746 { 747 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 748 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); 749 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 750 751 switch (solo_enc->fmt) { 752 case V4L2_PIX_FMT_MPEG4: 753 case V4L2_PIX_FMT_H264: 754 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME) 755 sg_copy_from_buffer(sgt->sgl, sgt->nents, 756 solo_enc->vop, solo_enc->vop_len); 757 break; 758 default: /* V4L2_PIX_FMT_MJPEG */ 759 sg_copy_from_buffer(sgt->sgl, sgt->nents, 760 solo_enc->jpeg_header, solo_enc->jpeg_len); 761 break; 762 } 763 } 764 765 static struct vb2_ops solo_enc_video_qops = { 766 .queue_setup = solo_enc_queue_setup, 767 .buf_queue = solo_enc_buf_queue, 768 .buf_finish = solo_enc_buf_finish, 769 .start_streaming = solo_enc_start_streaming, 770 .stop_streaming = solo_enc_stop_streaming, 771 .wait_prepare = vb2_ops_wait_prepare, 772 .wait_finish = vb2_ops_wait_finish, 773 }; 774 775 static int solo_enc_querycap(struct file *file, void *priv, 776 struct v4l2_capability *cap) 777 { 778 struct solo_enc_dev *solo_enc = video_drvdata(file); 779 struct solo_dev *solo_dev = solo_enc->solo_dev; 780 781 strcpy(cap->driver, SOLO6X10_NAME); 782 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", 783 solo_enc->ch); 784 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", 785 pci_name(solo_dev->pdev)); 786 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | 787 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 788 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 789 return 0; 790 } 791 792 static int solo_enc_enum_input(struct file *file, void *priv, 793 struct v4l2_input *input) 794 { 795 struct solo_enc_dev *solo_enc = video_drvdata(file); 796 struct solo_dev *solo_dev = solo_enc->solo_dev; 797 798 if (input->index) 799 return -EINVAL; 800 801 snprintf(input->name, sizeof(input->name), "Encoder %d", 802 solo_enc->ch + 1); 803 input->type = V4L2_INPUT_TYPE_CAMERA; 804 input->std = solo_enc->vfd->tvnorms; 805 806 if (!tw28_get_video_status(solo_dev, solo_enc->ch)) 807 input->status = V4L2_IN_ST_NO_SIGNAL; 808 809 return 0; 810 } 811 812 static int solo_enc_set_input(struct file *file, void *priv, 813 unsigned int index) 814 { 815 if (index) 816 return -EINVAL; 817 818 return 0; 819 } 820 821 static int solo_enc_get_input(struct file *file, void *priv, 822 unsigned int *index) 823 { 824 *index = 0; 825 826 return 0; 827 } 828 829 static int solo_enc_enum_fmt_cap(struct file *file, void *priv, 830 struct v4l2_fmtdesc *f) 831 { 832 struct solo_enc_dev *solo_enc = video_drvdata(file); 833 int dev_type = solo_enc->solo_dev->type; 834 835 switch (f->index) { 836 case 0: 837 switch (dev_type) { 838 case SOLO_DEV_6010: 839 f->pixelformat = V4L2_PIX_FMT_MPEG4; 840 strcpy(f->description, "MPEG-4 part 2"); 841 break; 842 case SOLO_DEV_6110: 843 f->pixelformat = V4L2_PIX_FMT_H264; 844 strcpy(f->description, "H.264"); 845 break; 846 } 847 break; 848 case 1: 849 f->pixelformat = V4L2_PIX_FMT_MJPEG; 850 strcpy(f->description, "MJPEG"); 851 break; 852 default: 853 return -EINVAL; 854 } 855 856 f->flags = V4L2_FMT_FLAG_COMPRESSED; 857 858 return 0; 859 } 860 861 static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) 862 { 863 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) 864 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) 865 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; 866 } 867 868 static int solo_enc_try_fmt_cap(struct file *file, void *priv, 869 struct v4l2_format *f) 870 { 871 struct solo_enc_dev *solo_enc = video_drvdata(file); 872 struct solo_dev *solo_dev = solo_enc->solo_dev; 873 struct v4l2_pix_format *pix = &f->fmt.pix; 874 875 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) 876 return -EINVAL; 877 878 if (pix->width < solo_dev->video_hsize || 879 pix->height < solo_dev->video_vsize << 1) { 880 /* Default to CIF 1/2 size */ 881 pix->width = solo_dev->video_hsize >> 1; 882 pix->height = solo_dev->video_vsize; 883 } else { 884 /* Full frame */ 885 pix->width = solo_dev->video_hsize; 886 pix->height = solo_dev->video_vsize << 1; 887 } 888 889 switch (pix->field) { 890 case V4L2_FIELD_NONE: 891 case V4L2_FIELD_INTERLACED: 892 break; 893 case V4L2_FIELD_ANY: 894 default: 895 pix->field = V4L2_FIELD_INTERLACED; 896 break; 897 } 898 899 /* Just set these */ 900 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 901 pix->sizeimage = FRAME_BUF_SIZE; 902 pix->bytesperline = 0; 903 pix->priv = 0; 904 905 return 0; 906 } 907 908 static int solo_enc_set_fmt_cap(struct file *file, void *priv, 909 struct v4l2_format *f) 910 { 911 struct solo_enc_dev *solo_enc = video_drvdata(file); 912 struct solo_dev *solo_dev = solo_enc->solo_dev; 913 struct v4l2_pix_format *pix = &f->fmt.pix; 914 int ret; 915 916 if (vb2_is_busy(&solo_enc->vidq)) 917 return -EBUSY; 918 919 ret = solo_enc_try_fmt_cap(file, priv, f); 920 if (ret) 921 return ret; 922 923 if (pix->width == solo_dev->video_hsize) 924 solo_enc->mode = SOLO_ENC_MODE_D1; 925 else 926 solo_enc->mode = SOLO_ENC_MODE_CIF; 927 928 /* This does not change the encoder at all */ 929 solo_enc->fmt = pix->pixelformat; 930 931 /* 932 * More information is needed about these 'extended' types. As far 933 * as I can tell these are basically additional video streams with 934 * different MPEG encoding attributes that can run in parallel with 935 * the main stream. If so, then this should be implemented as a 936 * second video node. Abusing priv like this is certainly not the 937 * right approach. 938 if (pix->priv) 939 solo_enc->type = SOLO_ENC_TYPE_EXT; 940 */ 941 solo_update_mode(solo_enc); 942 return 0; 943 } 944 945 static int solo_enc_get_fmt_cap(struct file *file, void *priv, 946 struct v4l2_format *f) 947 { 948 struct solo_enc_dev *solo_enc = video_drvdata(file); 949 struct v4l2_pix_format *pix = &f->fmt.pix; 950 951 pix->width = solo_enc->width; 952 pix->height = solo_enc->height; 953 pix->pixelformat = solo_enc->fmt; 954 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : 955 V4L2_FIELD_NONE; 956 pix->sizeimage = FRAME_BUF_SIZE; 957 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 958 pix->priv = 0; 959 960 return 0; 961 } 962 963 static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) 964 { 965 struct solo_enc_dev *solo_enc = video_drvdata(file); 966 struct solo_dev *solo_dev = solo_enc->solo_dev; 967 968 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 969 *i = V4L2_STD_NTSC_M; 970 else 971 *i = V4L2_STD_PAL; 972 return 0; 973 } 974 975 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) 976 { 977 struct solo_enc_dev *solo_enc = video_drvdata(file); 978 979 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); 980 } 981 982 static int solo_enum_framesizes(struct file *file, void *priv, 983 struct v4l2_frmsizeenum *fsize) 984 { 985 struct solo_enc_dev *solo_enc = video_drvdata(file); 986 struct solo_dev *solo_dev = solo_enc->solo_dev; 987 988 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) 989 return -EINVAL; 990 991 switch (fsize->index) { 992 case 0: 993 fsize->discrete.width = solo_dev->video_hsize >> 1; 994 fsize->discrete.height = solo_dev->video_vsize; 995 break; 996 case 1: 997 fsize->discrete.width = solo_dev->video_hsize; 998 fsize->discrete.height = solo_dev->video_vsize << 1; 999 break; 1000 default: 1001 return -EINVAL; 1002 } 1003 1004 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 1005 1006 return 0; 1007 } 1008 1009 static int solo_enum_frameintervals(struct file *file, void *priv, 1010 struct v4l2_frmivalenum *fintv) 1011 { 1012 struct solo_enc_dev *solo_enc = video_drvdata(file); 1013 struct solo_dev *solo_dev = solo_enc->solo_dev; 1014 1015 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) 1016 return -EINVAL; 1017 if (fintv->index) 1018 return -EINVAL; 1019 if ((fintv->width != solo_dev->video_hsize >> 1 || 1020 fintv->height != solo_dev->video_vsize) && 1021 (fintv->width != solo_dev->video_hsize || 1022 fintv->height != solo_dev->video_vsize << 1)) 1023 return -EINVAL; 1024 1025 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; 1026 1027 fintv->stepwise.min.numerator = 1; 1028 fintv->stepwise.min.denominator = solo_dev->fps; 1029 1030 fintv->stepwise.max.numerator = 15; 1031 fintv->stepwise.max.denominator = solo_dev->fps; 1032 1033 fintv->stepwise.step.numerator = 1; 1034 fintv->stepwise.step.denominator = solo_dev->fps; 1035 1036 return 0; 1037 } 1038 1039 static int solo_g_parm(struct file *file, void *priv, 1040 struct v4l2_streamparm *sp) 1041 { 1042 struct solo_enc_dev *solo_enc = video_drvdata(file); 1043 struct v4l2_captureparm *cp = &sp->parm.capture; 1044 1045 cp->capability = V4L2_CAP_TIMEPERFRAME; 1046 cp->timeperframe.numerator = solo_enc->interval; 1047 cp->timeperframe.denominator = solo_enc->solo_dev->fps; 1048 cp->capturemode = 0; 1049 /* XXX: Shouldn't we be able to get/set this from videobuf? */ 1050 cp->readbuffers = 2; 1051 1052 return 0; 1053 } 1054 1055 static inline int calc_interval(u8 fps, u32 n, u32 d) 1056 { 1057 if (!n || !d) 1058 return 1; 1059 if (d == fps) 1060 return n; 1061 n *= fps; 1062 return min(15U, n / d + (n % d >= (fps >> 1))); 1063 } 1064 1065 static int solo_s_parm(struct file *file, void *priv, 1066 struct v4l2_streamparm *sp) 1067 { 1068 struct solo_enc_dev *solo_enc = video_drvdata(file); 1069 struct v4l2_fract *t = &sp->parm.capture.timeperframe; 1070 u8 fps = solo_enc->solo_dev->fps; 1071 1072 if (vb2_is_streaming(&solo_enc->vidq)) 1073 return -EBUSY; 1074 1075 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); 1076 solo_update_mode(solo_enc); 1077 return solo_g_parm(file, priv, sp); 1078 } 1079 1080 static int solo_s_ctrl(struct v4l2_ctrl *ctrl) 1081 { 1082 struct solo_enc_dev *solo_enc = 1083 container_of(ctrl->handler, struct solo_enc_dev, hdl); 1084 struct solo_dev *solo_dev = solo_enc->solo_dev; 1085 int err; 1086 1087 switch (ctrl->id) { 1088 case V4L2_CID_BRIGHTNESS: 1089 case V4L2_CID_CONTRAST: 1090 case V4L2_CID_SATURATION: 1091 case V4L2_CID_HUE: 1092 case V4L2_CID_SHARPNESS: 1093 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, 1094 ctrl->val); 1095 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 1096 solo_enc->gop = ctrl->val; 1097 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); 1098 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); 1099 return 0; 1100 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: 1101 solo_enc->qp = ctrl->val; 1102 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); 1103 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); 1104 return 0; 1105 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: 1106 solo_enc->motion_thresh = ctrl->val << 8; 1107 if (!solo_enc->motion_global || !solo_enc->motion_enabled) 1108 return 0; 1109 return solo_set_motion_threshold(solo_dev, solo_enc->ch, 1110 solo_enc->motion_thresh); 1111 case V4L2_CID_DETECT_MD_MODE: 1112 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; 1113 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; 1114 if (ctrl->val) { 1115 if (solo_enc->motion_global) 1116 err = solo_set_motion_threshold(solo_dev, solo_enc->ch, 1117 solo_enc->motion_thresh); 1118 else 1119 err = solo_set_motion_block(solo_dev, solo_enc->ch, 1120 solo_enc->md_thresholds->p_cur.p_u16); 1121 if (err) 1122 return err; 1123 } 1124 solo_motion_toggle(solo_enc, ctrl->val); 1125 return 0; 1126 case V4L2_CID_DETECT_MD_THRESHOLD_GRID: 1127 if (solo_enc->motion_enabled && !solo_enc->motion_global) 1128 return solo_set_motion_block(solo_dev, solo_enc->ch, 1129 solo_enc->md_thresholds->p_new.p_u16); 1130 break; 1131 case V4L2_CID_OSD_TEXT: 1132 strcpy(solo_enc->osd_text, ctrl->p_new.p_char); 1133 return solo_osd_print(solo_enc); 1134 default: 1135 return -EINVAL; 1136 } 1137 1138 return 0; 1139 } 1140 1141 static int solo_subscribe_event(struct v4l2_fh *fh, 1142 const struct v4l2_event_subscription *sub) 1143 { 1144 1145 switch (sub->type) { 1146 case V4L2_EVENT_CTRL: 1147 return v4l2_ctrl_subscribe_event(fh, sub); 1148 case V4L2_EVENT_MOTION_DET: 1149 /* Allow for up to 30 events (1 second for NTSC) to be 1150 * stored. */ 1151 return v4l2_event_subscribe(fh, sub, 30, NULL); 1152 } 1153 return -EINVAL; 1154 } 1155 1156 static const struct v4l2_file_operations solo_enc_fops = { 1157 .owner = THIS_MODULE, 1158 .open = v4l2_fh_open, 1159 .release = vb2_fop_release, 1160 .read = vb2_fop_read, 1161 .poll = vb2_fop_poll, 1162 .mmap = vb2_fop_mmap, 1163 .unlocked_ioctl = video_ioctl2, 1164 }; 1165 1166 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { 1167 .vidioc_querycap = solo_enc_querycap, 1168 .vidioc_s_std = solo_enc_s_std, 1169 .vidioc_g_std = solo_enc_g_std, 1170 /* Input callbacks */ 1171 .vidioc_enum_input = solo_enc_enum_input, 1172 .vidioc_s_input = solo_enc_set_input, 1173 .vidioc_g_input = solo_enc_get_input, 1174 /* Video capture format callbacks */ 1175 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, 1176 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, 1177 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, 1178 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, 1179 /* Streaming I/O */ 1180 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1181 .vidioc_querybuf = vb2_ioctl_querybuf, 1182 .vidioc_qbuf = vb2_ioctl_qbuf, 1183 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1184 .vidioc_streamon = vb2_ioctl_streamon, 1185 .vidioc_streamoff = vb2_ioctl_streamoff, 1186 /* Frame size and interval */ 1187 .vidioc_enum_framesizes = solo_enum_framesizes, 1188 .vidioc_enum_frameintervals = solo_enum_frameintervals, 1189 /* Video capture parameters */ 1190 .vidioc_s_parm = solo_s_parm, 1191 .vidioc_g_parm = solo_g_parm, 1192 /* Logging and events */ 1193 .vidioc_log_status = v4l2_ctrl_log_status, 1194 .vidioc_subscribe_event = solo_subscribe_event, 1195 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1196 }; 1197 1198 static const struct video_device solo_enc_template = { 1199 .name = SOLO6X10_NAME, 1200 .fops = &solo_enc_fops, 1201 .ioctl_ops = &solo_enc_ioctl_ops, 1202 .minor = -1, 1203 .release = video_device_release, 1204 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, 1205 }; 1206 1207 static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1208 .s_ctrl = solo_s_ctrl, 1209 }; 1210 1211 static const struct v4l2_ctrl_config solo_osd_text_ctrl = { 1212 .ops = &solo_ctrl_ops, 1213 .id = V4L2_CID_OSD_TEXT, 1214 .name = "OSD Text", 1215 .type = V4L2_CTRL_TYPE_STRING, 1216 .max = OSD_TEXT_MAX, 1217 .step = 1, 1218 }; 1219 1220 /* Motion Detection Threshold matrix */ 1221 static const struct v4l2_ctrl_config solo_md_thresholds = { 1222 .ops = &solo_ctrl_ops, 1223 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, 1224 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, 1225 .def = SOLO_DEF_MOT_THRESH, 1226 .max = 65535, 1227 .step = 1, 1228 }; 1229 1230 static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, 1231 u8 ch, unsigned nr) 1232 { 1233 struct solo_enc_dev *solo_enc; 1234 struct v4l2_ctrl_handler *hdl; 1235 int ret; 1236 1237 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); 1238 if (!solo_enc) 1239 return ERR_PTR(-ENOMEM); 1240 1241 hdl = &solo_enc->hdl; 1242 solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev); 1243 if (IS_ERR(solo_enc->alloc_ctx)) { 1244 ret = PTR_ERR(solo_enc->alloc_ctx); 1245 goto hdl_free; 1246 } 1247 v4l2_ctrl_handler_init(hdl, 10); 1248 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1249 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1251 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1252 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1253 V4L2_CID_SATURATION, 0, 255, 1, 128); 1254 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1255 V4L2_CID_HUE, 0, 255, 1, 128); 1256 if (tw28_has_sharpness(solo_dev, ch)) 1257 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1258 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1259 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1260 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1261 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1262 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1263 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1264 V4L2_CID_DETECT_MD_MODE, 1265 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1266 V4L2_DETECT_MD_MODE_DISABLED); 1267 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1268 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1269 SOLO_DEF_MOT_THRESH >> 8); 1270 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1271 solo_enc->md_thresholds = 1272 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1273 if (hdl->error) { 1274 ret = hdl->error; 1275 goto hdl_free; 1276 } 1277 1278 solo_enc->solo_dev = solo_dev; 1279 solo_enc->ch = ch; 1280 mutex_init(&solo_enc->lock); 1281 spin_lock_init(&solo_enc->av_lock); 1282 INIT_LIST_HEAD(&solo_enc->vidq_active); 1283 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1284 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1285 solo_enc->type = SOLO_ENC_TYPE_STD; 1286 1287 solo_enc->qp = SOLO_DEFAULT_QP; 1288 solo_enc->gop = solo_dev->fps; 1289 solo_enc->interval = 1; 1290 solo_enc->mode = SOLO_ENC_MODE_CIF; 1291 solo_enc->motion_global = true; 1292 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1293 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1294 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1295 solo_enc->vidq.ops = &solo_enc_video_qops; 1296 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1297 solo_enc->vidq.drv_priv = solo_enc; 1298 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM; 1299 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1300 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1301 solo_enc->vidq.lock = &solo_enc->lock; 1302 ret = vb2_queue_init(&solo_enc->vidq); 1303 if (ret) 1304 goto hdl_free; 1305 solo_update_mode(solo_enc); 1306 1307 spin_lock_init(&solo_enc->motion_lock); 1308 1309 /* Initialize this per encoder */ 1310 solo_enc->jpeg_len = sizeof(jpeg_header); 1311 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1312 1313 solo_enc->desc_nelts = 32; 1314 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev, 1315 sizeof(struct solo_p2m_desc) * 1316 solo_enc->desc_nelts, 1317 &solo_enc->desc_dma); 1318 ret = -ENOMEM; 1319 if (solo_enc->desc_items == NULL) 1320 goto hdl_free; 1321 1322 solo_enc->vfd = video_device_alloc(); 1323 if (!solo_enc->vfd) 1324 goto pci_free; 1325 1326 *solo_enc->vfd = solo_enc_template; 1327 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1328 solo_enc->vfd->ctrl_handler = hdl; 1329 solo_enc->vfd->queue = &solo_enc->vidq; 1330 solo_enc->vfd->lock = &solo_enc->lock; 1331 video_set_drvdata(solo_enc->vfd, solo_enc); 1332 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr); 1333 if (ret < 0) 1334 goto vdev_release; 1335 1336 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1337 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1338 solo_enc->vfd->num); 1339 1340 return solo_enc; 1341 1342 vdev_release: 1343 video_device_release(solo_enc->vfd); 1344 pci_free: 1345 pci_free_consistent(solo_enc->solo_dev->pdev, 1346 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1347 solo_enc->desc_items, solo_enc->desc_dma); 1348 hdl_free: 1349 v4l2_ctrl_handler_free(hdl); 1350 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1351 kfree(solo_enc); 1352 return ERR_PTR(ret); 1353 } 1354 1355 static void solo_enc_free(struct solo_enc_dev *solo_enc) 1356 { 1357 if (solo_enc == NULL) 1358 return; 1359 1360 pci_free_consistent(solo_enc->solo_dev->pdev, 1361 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1362 solo_enc->desc_items, solo_enc->desc_dma); 1363 video_unregister_device(solo_enc->vfd); 1364 v4l2_ctrl_handler_free(&solo_enc->hdl); 1365 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1366 kfree(solo_enc); 1367 } 1368 1369 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1370 { 1371 int i; 1372 1373 init_waitqueue_head(&solo_dev->ring_thread_wait); 1374 1375 solo_dev->vh_size = sizeof(vop_header); 1376 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev, 1377 solo_dev->vh_size, 1378 &solo_dev->vh_dma); 1379 if (solo_dev->vh_buf == NULL) 1380 return -ENOMEM; 1381 1382 for (i = 0; i < solo_dev->nr_chans; i++) { 1383 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1384 if (IS_ERR(solo_dev->v4l2_enc[i])) 1385 break; 1386 } 1387 1388 if (i != solo_dev->nr_chans) { 1389 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1390 1391 while (i--) 1392 solo_enc_free(solo_dev->v4l2_enc[i]); 1393 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1394 solo_dev->vh_buf, solo_dev->vh_dma); 1395 solo_dev->vh_buf = NULL; 1396 return ret; 1397 } 1398 1399 if (solo_dev->type == SOLO_DEV_6010) 1400 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1401 else 1402 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1403 1404 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1405 solo_dev->v4l2_enc[0]->vfd->num, 1406 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1407 1408 return solo_ring_start(solo_dev); 1409 } 1410 1411 void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1412 { 1413 int i; 1414 1415 solo_ring_stop(solo_dev); 1416 1417 for (i = 0; i < solo_dev->nr_chans; i++) 1418 solo_enc_free(solo_dev->v4l2_enc[i]); 1419 1420 if (solo_dev->vh_buf) 1421 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1422 solo_dev->vh_buf, solo_dev->vh_dma); 1423 } 1424