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 */ 41static unsigned char 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 48static unsigned char 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 55static unsigned char 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 62static unsigned char 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 */ 70static unsigned char 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 76static unsigned char 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 82static unsigned char 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 88static unsigned char 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 94typedef __le32 vop_header[16]; 95 96struct solo_enc_buf { 97 enum solo_enc_types type; 98 const vop_header *vh; 99 int motion; 100}; 101 102static 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 109static 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 126static 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 148void 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 unsigned char *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 230static 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_enc->motion_last_state = false; 243 solo_enc->frames_since_last_motion = 0; 244 solo_dev->enc_bw_remain -= solo_enc->bw_weight; 245 246 if (solo_enc->type == SOLO_ENC_TYPE_EXT) 247 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1); 248 249 /* Disable all encoding for this channel */ 250 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0); 251 252 /* Common for both std and ext encoding */ 253 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch), 254 solo_enc->interlaced ? 1 : 0); 255 256 if (solo_enc->interlaced) 257 interval = solo_enc->interval - 1; 258 else 259 interval = solo_enc->interval; 260 261 /* Standard encoding only */ 262 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop); 263 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp); 264 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval); 265 266 /* Extended encoding only */ 267 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop); 268 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp); 269 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval); 270 271 /* Enables the standard encoder */ 272 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode); 273 274 return 0; 275} 276 277static void solo_enc_off(struct solo_enc_dev *solo_enc) 278{ 279 struct solo_dev *solo_dev = solo_enc->solo_dev; 280 281 solo_dev->enc_bw_remain += solo_enc->bw_weight; 282 283 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0); 284 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0); 285} 286 287static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma, 288 unsigned int off, unsigned int size) 289{ 290 int ret; 291 292 if (off > SOLO_MP4E_EXT_SIZE(solo_dev)) 293 return -EINVAL; 294 295 /* Single shot */ 296 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) { 297 return solo_p2m_dma_t(solo_dev, 0, dma, 298 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size, 299 0, 0); 300 } 301 302 /* Buffer wrap */ 303 ret = solo_p2m_dma_t(solo_dev, 0, dma, 304 SOLO_MP4E_EXT_ADDR(solo_dev) + off, 305 SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0); 306 307 if (!ret) { 308 ret = solo_p2m_dma_t(solo_dev, 0, 309 dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off, 310 SOLO_MP4E_EXT_ADDR(solo_dev), 311 size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0); 312 } 313 314 return ret; 315} 316 317/* Build a descriptor queue out of an SG list and send it to the P2M for 318 * processing. */ 319static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip, 320 struct sg_table *vbuf, int off, int size, 321 unsigned int base, unsigned int base_size) 322{ 323 struct solo_dev *solo_dev = solo_enc->solo_dev; 324 struct scatterlist *sg; 325 int i; 326 int ret; 327 328 if (WARN_ON_ONCE(size > FRAME_BUF_SIZE)) 329 return -EINVAL; 330 331 solo_enc->desc_count = 1; 332 333 for_each_sg(vbuf->sgl, sg, vbuf->nents, i) { 334 struct solo_p2m_desc *desc; 335 dma_addr_t dma; 336 int len; 337 int left = base_size - off; 338 339 desc = &solo_enc->desc_items[solo_enc->desc_count++]; 340 dma = sg_dma_address(sg); 341 len = sg_dma_len(sg); 342 343 /* We assume this is smaller than the scatter size */ 344 BUG_ON(skip >= len); 345 if (skip) { 346 len -= skip; 347 dma += skip; 348 size -= skip; 349 skip = 0; 350 } 351 352 len = min(len, size); 353 354 if (len <= left) { 355 /* Single descriptor */ 356 solo_p2m_fill_desc(desc, 0, dma, base + off, 357 len, 0, 0); 358 } else { 359 /* Buffer wrap */ 360 /* XXX: Do these as separate DMA requests, to avoid 361 timeout errors triggered by awkwardly sized 362 descriptors. See 363 <https://github.com/bluecherrydvr/solo6x10/issues/8> 364 */ 365 ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off, 366 left, 0, 0); 367 if (ret) 368 return ret; 369 370 ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base, 371 len - left, 0, 0); 372 if (ret) 373 return ret; 374 375 solo_enc->desc_count--; 376 } 377 378 size -= len; 379 if (size <= 0) 380 break; 381 382 off += len; 383 if (off >= base_size) 384 off -= base_size; 385 386 /* Because we may use two descriptors per loop */ 387 if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) { 388 ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 389 solo_enc->desc_dma, 390 solo_enc->desc_count - 1); 391 if (ret) 392 return ret; 393 solo_enc->desc_count = 1; 394 } 395 } 396 397 if (solo_enc->desc_count <= 1) 398 return 0; 399 400 return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 401 solo_enc->desc_dma, solo_enc->desc_count - 1); 402} 403 404/* Extract values from VOP header - VE_STATUSxx */ 405static inline int vop_interlaced(const vop_header *vh) 406{ 407 return (__le32_to_cpu((*vh)[0]) >> 30) & 1; 408} 409 410static inline u8 vop_channel(const vop_header *vh) 411{ 412 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; 413} 414 415static inline u8 vop_type(const vop_header *vh) 416{ 417 return (__le32_to_cpu((*vh)[0]) >> 22) & 3; 418} 419 420static inline u32 vop_mpeg_size(const vop_header *vh) 421{ 422 return __le32_to_cpu((*vh)[0]) & 0xFFFFF; 423} 424 425static inline u8 vop_hsize(const vop_header *vh) 426{ 427 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; 428} 429 430static inline u8 vop_vsize(const vop_header *vh) 431{ 432 return __le32_to_cpu((*vh)[1]) & 0xFF; 433} 434 435static inline u32 vop_mpeg_offset(const vop_header *vh) 436{ 437 return __le32_to_cpu((*vh)[2]); 438} 439 440static inline u32 vop_jpeg_offset(const vop_header *vh) 441{ 442 return __le32_to_cpu((*vh)[3]); 443} 444 445static inline u32 vop_jpeg_size(const vop_header *vh) 446{ 447 return __le32_to_cpu((*vh)[4]) & 0xFFFFF; 448} 449 450static inline u32 vop_sec(const vop_header *vh) 451{ 452 return __le32_to_cpu((*vh)[5]); 453} 454 455static inline u32 vop_usec(const vop_header *vh) 456{ 457 return __le32_to_cpu((*vh)[6]); 458} 459 460static int solo_fill_jpeg(struct solo_enc_dev *solo_enc, 461 struct vb2_buffer *vb, const vop_header *vh) 462{ 463 struct solo_dev *solo_dev = solo_enc->solo_dev; 464 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); 465 int frame_size; 466 int ret; 467 468 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; 469 470 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len) 471 return -EIO; 472 473 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN); 474 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len); 475 476 /* may discard all previous data in vbuf->sgl */ 477 if (!dma_map_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, 478 DMA_FROM_DEVICE)) 479 return -ENOMEM; 480 ret = solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, 481 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), 482 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), 483 SOLO_JPEG_EXT_SIZE(solo_dev)); 484 dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, 485 DMA_FROM_DEVICE); 486 487 /* add the header only after dma_unmap_sg() */ 488 sg_copy_from_buffer(vbuf->sgl, vbuf->nents, 489 solo_enc->jpeg_header, solo_enc->jpeg_len); 490 491 return ret; 492} 493 494static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, 495 struct vb2_buffer *vb, const vop_header *vh) 496{ 497 struct solo_dev *solo_dev = solo_enc->solo_dev; 498 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); 499 int frame_off, frame_size; 500 int skip = 0; 501 int ret; 502 503 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh)) 504 return -EIO; 505 506 /* If this is a key frame, add extra header */ 507 vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME | 508 V4L2_BUF_FLAG_BFRAME); 509 if (!vop_type(vh)) { 510 skip = solo_enc->vop_len; 511 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; 512 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + 513 solo_enc->vop_len); 514 } else { 515 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME; 516 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh)); 517 } 518 519 /* Now get the actual mpeg payload */ 520 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) + 521 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev); 522 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN); 523 524 /* may discard all previous data in vbuf->sgl */ 525 if (!dma_map_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, 526 DMA_FROM_DEVICE)) 527 return -ENOMEM; 528 ret = solo_send_desc(solo_enc, skip, vbuf, frame_off, frame_size, 529 SOLO_MP4E_EXT_ADDR(solo_dev), 530 SOLO_MP4E_EXT_SIZE(solo_dev)); 531 dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, 532 DMA_FROM_DEVICE); 533 534 /* add the header only after dma_unmap_sg() */ 535 if (!vop_type(vh)) 536 sg_copy_from_buffer(vbuf->sgl, vbuf->nents, 537 solo_enc->vop, solo_enc->vop_len); 538 return ret; 539} 540 541static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc, 542 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf) 543{ 544 const vop_header *vh = enc_buf->vh; 545 int ret; 546 547 switch (solo_enc->fmt) { 548 case V4L2_PIX_FMT_MPEG4: 549 case V4L2_PIX_FMT_H264: 550 ret = solo_fill_mpeg(solo_enc, vb, vh); 551 break; 552 default: /* V4L2_PIX_FMT_MJPEG */ 553 ret = solo_fill_jpeg(solo_enc, vb, vh); 554 break; 555 } 556 557 if (!ret) { 558 bool send_event = false; 559 560 vb->v4l2_buf.sequence = solo_enc->sequence++; 561 vb->v4l2_buf.timestamp.tv_sec = vop_sec(vh); 562 vb->v4l2_buf.timestamp.tv_usec = vop_usec(vh); 563 564 /* Check for motion flags */ 565 if (solo_is_motion_on(solo_enc)) { 566 /* It takes a few frames for the hardware to detect 567 * motion. Once it does it clears the motion detection 568 * register and it takes again a few frames before 569 * motion is seen. This means in practice that when the 570 * motion field is 1, it will go back to 0 for the next 571 * frame. This leads to motion detection event being 572 * sent all the time, which is not what we want. 573 * Instead wait a few frames before deciding that the 574 * motion has halted. After some experimentation it 575 * turns out that waiting for 5 frames works well. 576 */ 577 if (enc_buf->motion == 0 && 578 solo_enc->motion_last_state && 579 solo_enc->frames_since_last_motion++ > 5) 580 send_event = true; 581 else if (enc_buf->motion) { 582 solo_enc->frames_since_last_motion = 0; 583 send_event = !solo_enc->motion_last_state; 584 } 585 } 586 587 if (send_event) { 588 struct v4l2_event ev = { 589 .type = V4L2_EVENT_MOTION_DET, 590 .u.motion_det = { 591 .flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, 592 .frame_sequence = vb->v4l2_buf.sequence, 593 .region_mask = enc_buf->motion ? 1 : 0, 594 }, 595 }; 596 597 solo_enc->motion_last_state = enc_buf->motion; 598 solo_enc->frames_since_last_motion = 0; 599 v4l2_event_queue(solo_enc->vfd, &ev); 600 } 601 } 602 603 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 604 605 return ret; 606} 607 608static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, 609 struct solo_enc_buf *enc_buf) 610{ 611 struct solo_vb2_buf *vb; 612 unsigned long flags; 613 614 mutex_lock(&solo_enc->lock); 615 if (solo_enc->type != enc_buf->type) 616 goto unlock; 617 618 spin_lock_irqsave(&solo_enc->av_lock, flags); 619 if (list_empty(&solo_enc->vidq_active)) { 620 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 621 goto unlock; 622 } 623 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, 624 list); 625 list_del(&vb->list); 626 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 627 628 solo_enc_fillbuf(solo_enc, &vb->vb, enc_buf); 629unlock: 630 mutex_unlock(&solo_enc->lock); 631} 632 633void solo_enc_v4l2_isr(struct solo_dev *solo_dev) 634{ 635 wake_up_interruptible_all(&solo_dev->ring_thread_wait); 636} 637 638static void solo_handle_ring(struct solo_dev *solo_dev) 639{ 640 for (;;) { 641 struct solo_enc_dev *solo_enc; 642 struct solo_enc_buf enc_buf; 643 u32 mpeg_current, off; 644 u8 ch; 645 u8 cur_q; 646 647 /* Check if the hardware has any new ones in the queue */ 648 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; 649 if (cur_q == solo_dev->enc_idx) 650 break; 651 652 mpeg_current = solo_reg_read(solo_dev, 653 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); 654 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; 655 656 ch = (mpeg_current >> 24) & 0x1f; 657 off = mpeg_current & 0x00ffffff; 658 659 if (ch >= SOLO_MAX_CHANNELS) { 660 ch -= SOLO_MAX_CHANNELS; 661 enc_buf.type = SOLO_ENC_TYPE_EXT; 662 } else 663 enc_buf.type = SOLO_ENC_TYPE_STD; 664 665 solo_enc = solo_dev->v4l2_enc[ch]; 666 if (solo_enc == NULL) { 667 dev_err(&solo_dev->pdev->dev, 668 "Got spurious packet for channel %d\n", ch); 669 continue; 670 } 671 672 /* FAIL... */ 673 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, 674 sizeof(vop_header))) 675 continue; 676 677 enc_buf.vh = solo_dev->vh_buf; 678 679 /* Sanity check */ 680 if (vop_mpeg_offset(enc_buf.vh) != 681 SOLO_MP4E_EXT_ADDR(solo_dev) + off) 682 continue; 683 684 if (solo_motion_detected(solo_enc)) 685 enc_buf.motion = 1; 686 else 687 enc_buf.motion = 0; 688 689 solo_enc_handle_one(solo_enc, &enc_buf); 690 } 691} 692 693static int solo_ring_thread(void *data) 694{ 695 struct solo_dev *solo_dev = data; 696 DECLARE_WAITQUEUE(wait, current); 697 698 set_freezable(); 699 add_wait_queue(&solo_dev->ring_thread_wait, &wait); 700 701 for (;;) { 702 long timeout = schedule_timeout_interruptible(HZ); 703 704 if (timeout == -ERESTARTSYS || kthread_should_stop()) 705 break; 706 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 707 solo_handle_ring(solo_dev); 708 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 709 try_to_freeze(); 710 } 711 712 remove_wait_queue(&solo_dev->ring_thread_wait, &wait); 713 714 return 0; 715} 716 717static int solo_enc_queue_setup(struct vb2_queue *q, 718 const struct v4l2_format *fmt, 719 unsigned int *num_buffers, 720 unsigned int *num_planes, unsigned int sizes[], 721 void *alloc_ctxs[]) 722{ 723 sizes[0] = FRAME_BUF_SIZE; 724 *num_planes = 1; 725 726 if (*num_buffers < MIN_VID_BUFFERS) 727 *num_buffers = MIN_VID_BUFFERS; 728 729 return 0; 730} 731 732static void solo_enc_buf_queue(struct vb2_buffer *vb) 733{ 734 struct vb2_queue *vq = vb->vb2_queue; 735 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); 736 struct solo_vb2_buf *solo_vb = 737 container_of(vb, struct solo_vb2_buf, vb); 738 739 spin_lock(&solo_enc->av_lock); 740 list_add_tail(&solo_vb->list, &solo_enc->vidq_active); 741 spin_unlock(&solo_enc->av_lock); 742} 743 744static int solo_ring_start(struct solo_dev *solo_dev) 745{ 746 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, 747 SOLO6X10_NAME "_ring"); 748 if (IS_ERR(solo_dev->ring_thread)) { 749 int err = PTR_ERR(solo_dev->ring_thread); 750 751 solo_dev->ring_thread = NULL; 752 return err; 753 } 754 755 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 756 757 return 0; 758} 759 760static void solo_ring_stop(struct solo_dev *solo_dev) 761{ 762 if (solo_dev->ring_thread) { 763 kthread_stop(solo_dev->ring_thread); 764 solo_dev->ring_thread = NULL; 765 } 766 767 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 768} 769 770static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) 771{ 772 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 773 int ret; 774 775 ret = solo_enc_on(solo_enc); 776 if (ret) 777 return ret; 778 return solo_ring_start(solo_enc->solo_dev); 779} 780 781static void solo_enc_stop_streaming(struct vb2_queue *q) 782{ 783 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 784 785 solo_enc_off(solo_enc); 786 INIT_LIST_HEAD(&solo_enc->vidq_active); 787 solo_ring_stop(solo_enc->solo_dev); 788} 789 790static struct vb2_ops solo_enc_video_qops = { 791 .queue_setup = solo_enc_queue_setup, 792 .buf_queue = solo_enc_buf_queue, 793 .start_streaming = solo_enc_start_streaming, 794 .stop_streaming = solo_enc_stop_streaming, 795 .wait_prepare = vb2_ops_wait_prepare, 796 .wait_finish = vb2_ops_wait_finish, 797}; 798 799static int solo_enc_querycap(struct file *file, void *priv, 800 struct v4l2_capability *cap) 801{ 802 struct solo_enc_dev *solo_enc = video_drvdata(file); 803 struct solo_dev *solo_dev = solo_enc->solo_dev; 804 805 strcpy(cap->driver, SOLO6X10_NAME); 806 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", 807 solo_enc->ch); 808 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", 809 pci_name(solo_dev->pdev)); 810 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | 811 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 812 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 813 return 0; 814} 815 816static int solo_enc_enum_input(struct file *file, void *priv, 817 struct v4l2_input *input) 818{ 819 struct solo_enc_dev *solo_enc = video_drvdata(file); 820 struct solo_dev *solo_dev = solo_enc->solo_dev; 821 822 if (input->index) 823 return -EINVAL; 824 825 snprintf(input->name, sizeof(input->name), "Encoder %d", 826 solo_enc->ch + 1); 827 input->type = V4L2_INPUT_TYPE_CAMERA; 828 input->std = solo_enc->vfd->tvnorms; 829 830 if (!tw28_get_video_status(solo_dev, solo_enc->ch)) 831 input->status = V4L2_IN_ST_NO_SIGNAL; 832 833 return 0; 834} 835 836static int solo_enc_set_input(struct file *file, void *priv, 837 unsigned int index) 838{ 839 if (index) 840 return -EINVAL; 841 842 return 0; 843} 844 845static int solo_enc_get_input(struct file *file, void *priv, 846 unsigned int *index) 847{ 848 *index = 0; 849 850 return 0; 851} 852 853static int solo_enc_enum_fmt_cap(struct file *file, void *priv, 854 struct v4l2_fmtdesc *f) 855{ 856 struct solo_enc_dev *solo_enc = video_drvdata(file); 857 int dev_type = solo_enc->solo_dev->type; 858 859 switch (f->index) { 860 case 0: 861 switch (dev_type) { 862 case SOLO_DEV_6010: 863 f->pixelformat = V4L2_PIX_FMT_MPEG4; 864 strcpy(f->description, "MPEG-4 part 2"); 865 break; 866 case SOLO_DEV_6110: 867 f->pixelformat = V4L2_PIX_FMT_H264; 868 strcpy(f->description, "H.264"); 869 break; 870 } 871 break; 872 case 1: 873 f->pixelformat = V4L2_PIX_FMT_MJPEG; 874 strcpy(f->description, "MJPEG"); 875 break; 876 default: 877 return -EINVAL; 878 } 879 880 f->flags = V4L2_FMT_FLAG_COMPRESSED; 881 882 return 0; 883} 884 885static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) 886{ 887 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) 888 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) 889 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; 890} 891 892static int solo_enc_try_fmt_cap(struct file *file, void *priv, 893 struct v4l2_format *f) 894{ 895 struct solo_enc_dev *solo_enc = video_drvdata(file); 896 struct solo_dev *solo_dev = solo_enc->solo_dev; 897 struct v4l2_pix_format *pix = &f->fmt.pix; 898 899 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) 900 return -EINVAL; 901 902 if (pix->width < solo_dev->video_hsize || 903 pix->height < solo_dev->video_vsize << 1) { 904 /* Default to CIF 1/2 size */ 905 pix->width = solo_dev->video_hsize >> 1; 906 pix->height = solo_dev->video_vsize; 907 } else { 908 /* Full frame */ 909 pix->width = solo_dev->video_hsize; 910 pix->height = solo_dev->video_vsize << 1; 911 } 912 913 switch (pix->field) { 914 case V4L2_FIELD_NONE: 915 case V4L2_FIELD_INTERLACED: 916 break; 917 case V4L2_FIELD_ANY: 918 default: 919 pix->field = V4L2_FIELD_INTERLACED; 920 break; 921 } 922 923 /* Just set these */ 924 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 925 pix->sizeimage = FRAME_BUF_SIZE; 926 pix->bytesperline = 0; 927 pix->priv = 0; 928 929 return 0; 930} 931 932static int solo_enc_set_fmt_cap(struct file *file, void *priv, 933 struct v4l2_format *f) 934{ 935 struct solo_enc_dev *solo_enc = video_drvdata(file); 936 struct solo_dev *solo_dev = solo_enc->solo_dev; 937 struct v4l2_pix_format *pix = &f->fmt.pix; 938 int ret; 939 940 if (vb2_is_busy(&solo_enc->vidq)) 941 return -EBUSY; 942 943 ret = solo_enc_try_fmt_cap(file, priv, f); 944 if (ret) 945 return ret; 946 947 if (pix->width == solo_dev->video_hsize) 948 solo_enc->mode = SOLO_ENC_MODE_D1; 949 else 950 solo_enc->mode = SOLO_ENC_MODE_CIF; 951 952 /* This does not change the encoder at all */ 953 solo_enc->fmt = pix->pixelformat; 954 955 /* 956 * More information is needed about these 'extended' types. As far 957 * as I can tell these are basically additional video streams with 958 * different MPEG encoding attributes that can run in parallel with 959 * the main stream. If so, then this should be implemented as a 960 * second video node. Abusing priv like this is certainly not the 961 * right approach. 962 if (pix->priv) 963 solo_enc->type = SOLO_ENC_TYPE_EXT; 964 */ 965 solo_update_mode(solo_enc); 966 return 0; 967} 968 969static int solo_enc_get_fmt_cap(struct file *file, void *priv, 970 struct v4l2_format *f) 971{ 972 struct solo_enc_dev *solo_enc = video_drvdata(file); 973 struct v4l2_pix_format *pix = &f->fmt.pix; 974 975 pix->width = solo_enc->width; 976 pix->height = solo_enc->height; 977 pix->pixelformat = solo_enc->fmt; 978 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : 979 V4L2_FIELD_NONE; 980 pix->sizeimage = FRAME_BUF_SIZE; 981 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 982 pix->priv = 0; 983 984 return 0; 985} 986 987static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) 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_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 993 *i = V4L2_STD_NTSC_M; 994 else 995 *i = V4L2_STD_PAL; 996 return 0; 997} 998 999static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) 1000{ 1001 struct solo_enc_dev *solo_enc = video_drvdata(file); 1002 1003 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); 1004} 1005 1006static int solo_enum_framesizes(struct file *file, void *priv, 1007 struct v4l2_frmsizeenum *fsize) 1008{ 1009 struct solo_enc_dev *solo_enc = video_drvdata(file); 1010 struct solo_dev *solo_dev = solo_enc->solo_dev; 1011 1012 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) 1013 return -EINVAL; 1014 1015 switch (fsize->index) { 1016 case 0: 1017 fsize->discrete.width = solo_dev->video_hsize >> 1; 1018 fsize->discrete.height = solo_dev->video_vsize; 1019 break; 1020 case 1: 1021 fsize->discrete.width = solo_dev->video_hsize; 1022 fsize->discrete.height = solo_dev->video_vsize << 1; 1023 break; 1024 default: 1025 return -EINVAL; 1026 } 1027 1028 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 1029 1030 return 0; 1031} 1032 1033static int solo_enum_frameintervals(struct file *file, void *priv, 1034 struct v4l2_frmivalenum *fintv) 1035{ 1036 struct solo_enc_dev *solo_enc = video_drvdata(file); 1037 struct solo_dev *solo_dev = solo_enc->solo_dev; 1038 1039 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) 1040 return -EINVAL; 1041 if (fintv->index) 1042 return -EINVAL; 1043 if ((fintv->width != solo_dev->video_hsize >> 1 || 1044 fintv->height != solo_dev->video_vsize) && 1045 (fintv->width != solo_dev->video_hsize || 1046 fintv->height != solo_dev->video_vsize << 1)) 1047 return -EINVAL; 1048 1049 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; 1050 1051 fintv->stepwise.min.numerator = 1; 1052 fintv->stepwise.min.denominator = solo_dev->fps; 1053 1054 fintv->stepwise.max.numerator = 15; 1055 fintv->stepwise.max.denominator = solo_dev->fps; 1056 1057 fintv->stepwise.step.numerator = 1; 1058 fintv->stepwise.step.denominator = solo_dev->fps; 1059 1060 return 0; 1061} 1062 1063static int solo_g_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_captureparm *cp = &sp->parm.capture; 1068 1069 cp->capability = V4L2_CAP_TIMEPERFRAME; 1070 cp->timeperframe.numerator = solo_enc->interval; 1071 cp->timeperframe.denominator = solo_enc->solo_dev->fps; 1072 cp->capturemode = 0; 1073 /* XXX: Shouldn't we be able to get/set this from videobuf? */ 1074 cp->readbuffers = 2; 1075 1076 return 0; 1077} 1078 1079static inline int calc_interval(u8 fps, u32 n, u32 d) 1080{ 1081 if (!n || !d) 1082 return 1; 1083 if (d == fps) 1084 return n; 1085 n *= fps; 1086 return min(15U, n / d + (n % d >= (fps >> 1))); 1087} 1088 1089static int solo_s_parm(struct file *file, void *priv, 1090 struct v4l2_streamparm *sp) 1091{ 1092 struct solo_enc_dev *solo_enc = video_drvdata(file); 1093 struct v4l2_fract *t = &sp->parm.capture.timeperframe; 1094 u8 fps = solo_enc->solo_dev->fps; 1095 1096 if (vb2_is_streaming(&solo_enc->vidq)) 1097 return -EBUSY; 1098 1099 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); 1100 solo_update_mode(solo_enc); 1101 return solo_g_parm(file, priv, sp); 1102} 1103 1104static int solo_s_ctrl(struct v4l2_ctrl *ctrl) 1105{ 1106 struct solo_enc_dev *solo_enc = 1107 container_of(ctrl->handler, struct solo_enc_dev, hdl); 1108 struct solo_dev *solo_dev = solo_enc->solo_dev; 1109 int err; 1110 1111 switch (ctrl->id) { 1112 case V4L2_CID_BRIGHTNESS: 1113 case V4L2_CID_CONTRAST: 1114 case V4L2_CID_SATURATION: 1115 case V4L2_CID_HUE: 1116 case V4L2_CID_SHARPNESS: 1117 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, 1118 ctrl->val); 1119 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 1120 solo_enc->gop = ctrl->val; 1121 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); 1122 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); 1123 return 0; 1124 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: 1125 solo_enc->qp = ctrl->val; 1126 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); 1127 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); 1128 return 0; 1129 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: 1130 solo_enc->motion_thresh = ctrl->val << 8; 1131 if (!solo_enc->motion_global || !solo_enc->motion_enabled) 1132 return 0; 1133 return solo_set_motion_threshold(solo_dev, solo_enc->ch, 1134 solo_enc->motion_thresh); 1135 case V4L2_CID_DETECT_MD_MODE: 1136 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; 1137 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; 1138 if (ctrl->val) { 1139 if (solo_enc->motion_global) 1140 err = solo_set_motion_threshold(solo_dev, solo_enc->ch, 1141 solo_enc->motion_thresh); 1142 else 1143 err = solo_set_motion_block(solo_dev, solo_enc->ch, 1144 solo_enc->md_thresholds->p_cur.p_u16); 1145 if (err) 1146 return err; 1147 } 1148 solo_motion_toggle(solo_enc, ctrl->val); 1149 return 0; 1150 case V4L2_CID_DETECT_MD_THRESHOLD_GRID: 1151 if (solo_enc->motion_enabled && !solo_enc->motion_global) 1152 return solo_set_motion_block(solo_dev, solo_enc->ch, 1153 solo_enc->md_thresholds->p_new.p_u16); 1154 break; 1155 case V4L2_CID_OSD_TEXT: 1156 strcpy(solo_enc->osd_text, ctrl->p_new.p_char); 1157 return solo_osd_print(solo_enc); 1158 default: 1159 return -EINVAL; 1160 } 1161 1162 return 0; 1163} 1164 1165static int solo_subscribe_event(struct v4l2_fh *fh, 1166 const struct v4l2_event_subscription *sub) 1167{ 1168 1169 switch (sub->type) { 1170 case V4L2_EVENT_CTRL: 1171 return v4l2_ctrl_subscribe_event(fh, sub); 1172 case V4L2_EVENT_MOTION_DET: 1173 /* Allow for up to 30 events (1 second for NTSC) to be 1174 * stored. */ 1175 return v4l2_event_subscribe(fh, sub, 30, NULL); 1176 } 1177 return -EINVAL; 1178} 1179 1180static const struct v4l2_file_operations solo_enc_fops = { 1181 .owner = THIS_MODULE, 1182 .open = v4l2_fh_open, 1183 .release = vb2_fop_release, 1184 .read = vb2_fop_read, 1185 .poll = vb2_fop_poll, 1186 .mmap = vb2_fop_mmap, 1187 .unlocked_ioctl = video_ioctl2, 1188}; 1189 1190static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { 1191 .vidioc_querycap = solo_enc_querycap, 1192 .vidioc_s_std = solo_enc_s_std, 1193 .vidioc_g_std = solo_enc_g_std, 1194 /* Input callbacks */ 1195 .vidioc_enum_input = solo_enc_enum_input, 1196 .vidioc_s_input = solo_enc_set_input, 1197 .vidioc_g_input = solo_enc_get_input, 1198 /* Video capture format callbacks */ 1199 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, 1200 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, 1201 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, 1202 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, 1203 /* Streaming I/O */ 1204 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1205 .vidioc_querybuf = vb2_ioctl_querybuf, 1206 .vidioc_qbuf = vb2_ioctl_qbuf, 1207 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1208 .vidioc_streamon = vb2_ioctl_streamon, 1209 .vidioc_streamoff = vb2_ioctl_streamoff, 1210 /* Frame size and interval */ 1211 .vidioc_enum_framesizes = solo_enum_framesizes, 1212 .vidioc_enum_frameintervals = solo_enum_frameintervals, 1213 /* Video capture parameters */ 1214 .vidioc_s_parm = solo_s_parm, 1215 .vidioc_g_parm = solo_g_parm, 1216 /* Logging and events */ 1217 .vidioc_log_status = v4l2_ctrl_log_status, 1218 .vidioc_subscribe_event = solo_subscribe_event, 1219 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1220}; 1221 1222static const struct video_device solo_enc_template = { 1223 .name = SOLO6X10_NAME, 1224 .fops = &solo_enc_fops, 1225 .ioctl_ops = &solo_enc_ioctl_ops, 1226 .minor = -1, 1227 .release = video_device_release, 1228 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, 1229}; 1230 1231static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1232 .s_ctrl = solo_s_ctrl, 1233}; 1234 1235static const struct v4l2_ctrl_config solo_osd_text_ctrl = { 1236 .ops = &solo_ctrl_ops, 1237 .id = V4L2_CID_OSD_TEXT, 1238 .name = "OSD Text", 1239 .type = V4L2_CTRL_TYPE_STRING, 1240 .max = OSD_TEXT_MAX, 1241 .step = 1, 1242}; 1243 1244/* Motion Detection Threshold matrix */ 1245static const struct v4l2_ctrl_config solo_md_thresholds = { 1246 .ops = &solo_ctrl_ops, 1247 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, 1248 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, 1249 .def = SOLO_DEF_MOT_THRESH, 1250 .max = 65535, 1251 .step = 1, 1252}; 1253 1254static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, 1255 u8 ch, unsigned nr) 1256{ 1257 struct solo_enc_dev *solo_enc; 1258 struct v4l2_ctrl_handler *hdl; 1259 int ret; 1260 1261 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); 1262 if (!solo_enc) 1263 return ERR_PTR(-ENOMEM); 1264 1265 hdl = &solo_enc->hdl; 1266 v4l2_ctrl_handler_init(hdl, 10); 1267 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1268 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1269 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1270 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1271 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1272 V4L2_CID_SATURATION, 0, 255, 1, 128); 1273 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1274 V4L2_CID_HUE, 0, 255, 1, 128); 1275 if (tw28_has_sharpness(solo_dev, ch)) 1276 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1277 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1278 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1279 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1280 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1281 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1282 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1283 V4L2_CID_DETECT_MD_MODE, 1284 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1285 V4L2_DETECT_MD_MODE_DISABLED); 1286 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1287 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1288 SOLO_DEF_MOT_THRESH >> 8); 1289 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1290 solo_enc->md_thresholds = 1291 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1292 if (hdl->error) { 1293 ret = hdl->error; 1294 goto hdl_free; 1295 } 1296 1297 solo_enc->solo_dev = solo_dev; 1298 solo_enc->ch = ch; 1299 mutex_init(&solo_enc->lock); 1300 spin_lock_init(&solo_enc->av_lock); 1301 INIT_LIST_HEAD(&solo_enc->vidq_active); 1302 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1303 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1304 solo_enc->type = SOLO_ENC_TYPE_STD; 1305 1306 solo_enc->qp = SOLO_DEFAULT_QP; 1307 solo_enc->gop = solo_dev->fps; 1308 solo_enc->interval = 1; 1309 solo_enc->mode = SOLO_ENC_MODE_CIF; 1310 solo_enc->motion_global = true; 1311 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1312 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1313 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1314 solo_enc->vidq.ops = &solo_enc_video_qops; 1315 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1316 solo_enc->vidq.drv_priv = solo_enc; 1317 solo_enc->vidq.gfp_flags = __GFP_DMA32; 1318 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1319 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1320 solo_enc->vidq.lock = &solo_enc->lock; 1321 ret = vb2_queue_init(&solo_enc->vidq); 1322 if (ret) 1323 goto hdl_free; 1324 solo_update_mode(solo_enc); 1325 1326 spin_lock_init(&solo_enc->motion_lock); 1327 1328 /* Initialize this per encoder */ 1329 solo_enc->jpeg_len = sizeof(jpeg_header); 1330 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1331 1332 solo_enc->desc_nelts = 32; 1333 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev, 1334 sizeof(struct solo_p2m_desc) * 1335 solo_enc->desc_nelts, 1336 &solo_enc->desc_dma); 1337 ret = -ENOMEM; 1338 if (solo_enc->desc_items == NULL) 1339 goto hdl_free; 1340 1341 solo_enc->vfd = video_device_alloc(); 1342 if (!solo_enc->vfd) 1343 goto pci_free; 1344 1345 *solo_enc->vfd = solo_enc_template; 1346 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1347 solo_enc->vfd->ctrl_handler = hdl; 1348 solo_enc->vfd->queue = &solo_enc->vidq; 1349 solo_enc->vfd->lock = &solo_enc->lock; 1350 video_set_drvdata(solo_enc->vfd, solo_enc); 1351 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr); 1352 if (ret < 0) 1353 goto vdev_release; 1354 1355 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1356 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1357 solo_enc->vfd->num); 1358 1359 return solo_enc; 1360 1361vdev_release: 1362 video_device_release(solo_enc->vfd); 1363pci_free: 1364 pci_free_consistent(solo_enc->solo_dev->pdev, 1365 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1366 solo_enc->desc_items, solo_enc->desc_dma); 1367hdl_free: 1368 v4l2_ctrl_handler_free(hdl); 1369 kfree(solo_enc); 1370 return ERR_PTR(ret); 1371} 1372 1373static void solo_enc_free(struct solo_enc_dev *solo_enc) 1374{ 1375 if (solo_enc == NULL) 1376 return; 1377 1378 video_unregister_device(solo_enc->vfd); 1379 v4l2_ctrl_handler_free(&solo_enc->hdl); 1380 kfree(solo_enc); 1381} 1382 1383int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1384{ 1385 int i; 1386 1387 init_waitqueue_head(&solo_dev->ring_thread_wait); 1388 1389 solo_dev->vh_size = sizeof(vop_header); 1390 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev, 1391 solo_dev->vh_size, 1392 &solo_dev->vh_dma); 1393 if (solo_dev->vh_buf == NULL) 1394 return -ENOMEM; 1395 1396 for (i = 0; i < solo_dev->nr_chans; i++) { 1397 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1398 if (IS_ERR(solo_dev->v4l2_enc[i])) 1399 break; 1400 } 1401 1402 if (i != solo_dev->nr_chans) { 1403 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1404 1405 while (i--) 1406 solo_enc_free(solo_dev->v4l2_enc[i]); 1407 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1408 solo_dev->vh_buf, solo_dev->vh_dma); 1409 solo_dev->vh_buf = NULL; 1410 return ret; 1411 } 1412 1413 if (solo_dev->type == SOLO_DEV_6010) 1414 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1415 else 1416 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1417 1418 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1419 solo_dev->v4l2_enc[0]->vfd->num, 1420 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1421 1422 return 0; 1423} 1424 1425void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1426{ 1427 int i; 1428 1429 for (i = 0; i < solo_dev->nr_chans; i++) 1430 solo_enc_free(solo_dev->v4l2_enc[i]); 1431 1432 if (solo_dev->vh_buf) 1433 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1434 solo_dev->vh_buf, solo_dev->vh_dma); 1435} 1436