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 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 48 static 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 55 static 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 62 static 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 */ 70 static 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 76 static 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 82 static 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 88 static 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 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 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 } 229 230 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_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 } 276 277 static 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 } 286 287 static 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. */ 319 static 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 */ 405 static inline int vop_interlaced(const vop_header *vh) 406 { 407 return (__le32_to_cpu((*vh)[0]) >> 30) & 1; 408 } 409 410 static inline u8 vop_channel(const vop_header *vh) 411 { 412 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; 413 } 414 415 static inline u8 vop_type(const vop_header *vh) 416 { 417 return (__le32_to_cpu((*vh)[0]) >> 22) & 3; 418 } 419 420 static inline u32 vop_mpeg_size(const vop_header *vh) 421 { 422 return __le32_to_cpu((*vh)[0]) & 0xFFFFF; 423 } 424 425 static inline u8 vop_hsize(const vop_header *vh) 426 { 427 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; 428 } 429 430 static inline u8 vop_vsize(const vop_header *vh) 431 { 432 return __le32_to_cpu((*vh)[1]) & 0xFF; 433 } 434 435 static inline u32 vop_mpeg_offset(const vop_header *vh) 436 { 437 return __le32_to_cpu((*vh)[2]); 438 } 439 440 static inline u32 vop_jpeg_offset(const vop_header *vh) 441 { 442 return __le32_to_cpu((*vh)[3]); 443 } 444 445 static inline u32 vop_jpeg_size(const vop_header *vh) 446 { 447 return __le32_to_cpu((*vh)[4]) & 0xFFFFF; 448 } 449 450 static inline u32 vop_sec(const vop_header *vh) 451 { 452 return __le32_to_cpu((*vh)[5]); 453 } 454 455 static inline u32 vop_usec(const vop_header *vh) 456 { 457 return __le32_to_cpu((*vh)[6]); 458 } 459 460 static 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; 466 467 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; 468 469 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len) 470 return -EIO; 471 472 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN); 473 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len); 474 475 return solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, 476 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), 477 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), 478 SOLO_JPEG_EXT_SIZE(solo_dev)); 479 } 480 481 static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, 482 struct vb2_buffer *vb, const vop_header *vh) 483 { 484 struct solo_dev *solo_dev = solo_enc->solo_dev; 485 struct sg_table *vbuf = 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 vb->v4l2_buf.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 vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; 498 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + 499 solo_enc->vop_len); 500 } else { 501 vb->v4l2_buf.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, vbuf, 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 const vop_header *vh = enc_buf->vh; 519 int ret; 520 521 switch (solo_enc->fmt) { 522 case V4L2_PIX_FMT_MPEG4: 523 case V4L2_PIX_FMT_H264: 524 ret = solo_fill_mpeg(solo_enc, vb, vh); 525 break; 526 default: /* V4L2_PIX_FMT_MJPEG */ 527 ret = solo_fill_jpeg(solo_enc, vb, vh); 528 break; 529 } 530 531 if (!ret) { 532 bool send_event = false; 533 534 vb->v4l2_buf.sequence = solo_enc->sequence++; 535 vb->v4l2_buf.timestamp.tv_sec = vop_sec(vh); 536 vb->v4l2_buf.timestamp.tv_usec = vop_usec(vh); 537 538 /* Check for motion flags */ 539 if (solo_is_motion_on(solo_enc)) { 540 /* It takes a few frames for the hardware to detect 541 * motion. Once it does it clears the motion detection 542 * register and it takes again a few frames before 543 * motion is seen. This means in practice that when the 544 * motion field is 1, it will go back to 0 for the next 545 * frame. This leads to motion detection event being 546 * sent all the time, which is not what we want. 547 * Instead wait a few frames before deciding that the 548 * motion has halted. After some experimentation it 549 * turns out that waiting for 5 frames works well. 550 */ 551 if (enc_buf->motion == 0 && 552 solo_enc->motion_last_state && 553 solo_enc->frames_since_last_motion++ > 5) 554 send_event = true; 555 else if (enc_buf->motion) { 556 solo_enc->frames_since_last_motion = 0; 557 send_event = !solo_enc->motion_last_state; 558 } 559 } 560 561 if (send_event) { 562 struct v4l2_event ev = { 563 .type = V4L2_EVENT_MOTION_DET, 564 .u.motion_det = { 565 .flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, 566 .frame_sequence = vb->v4l2_buf.sequence, 567 .region_mask = enc_buf->motion ? 1 : 0, 568 }, 569 }; 570 571 solo_enc->motion_last_state = enc_buf->motion; 572 solo_enc->frames_since_last_motion = 0; 573 v4l2_event_queue(solo_enc->vfd, &ev); 574 } 575 } 576 577 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 578 579 return ret; 580 } 581 582 static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, 583 struct solo_enc_buf *enc_buf) 584 { 585 struct solo_vb2_buf *vb; 586 unsigned long flags; 587 588 mutex_lock(&solo_enc->lock); 589 if (solo_enc->type != enc_buf->type) 590 goto unlock; 591 592 spin_lock_irqsave(&solo_enc->av_lock, flags); 593 if (list_empty(&solo_enc->vidq_active)) { 594 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 595 goto unlock; 596 } 597 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, 598 list); 599 list_del(&vb->list); 600 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 601 602 solo_enc_fillbuf(solo_enc, &vb->vb, enc_buf); 603 unlock: 604 mutex_unlock(&solo_enc->lock); 605 } 606 607 void solo_enc_v4l2_isr(struct solo_dev *solo_dev) 608 { 609 wake_up_interruptible_all(&solo_dev->ring_thread_wait); 610 } 611 612 static void solo_handle_ring(struct solo_dev *solo_dev) 613 { 614 for (;;) { 615 struct solo_enc_dev *solo_enc; 616 struct solo_enc_buf enc_buf; 617 u32 mpeg_current, off; 618 u8 ch; 619 u8 cur_q; 620 621 /* Check if the hardware has any new ones in the queue */ 622 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; 623 if (cur_q == solo_dev->enc_idx) 624 break; 625 626 mpeg_current = solo_reg_read(solo_dev, 627 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); 628 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; 629 630 ch = (mpeg_current >> 24) & 0x1f; 631 off = mpeg_current & 0x00ffffff; 632 633 if (ch >= SOLO_MAX_CHANNELS) { 634 ch -= SOLO_MAX_CHANNELS; 635 enc_buf.type = SOLO_ENC_TYPE_EXT; 636 } else 637 enc_buf.type = SOLO_ENC_TYPE_STD; 638 639 solo_enc = solo_dev->v4l2_enc[ch]; 640 if (solo_enc == NULL) { 641 dev_err(&solo_dev->pdev->dev, 642 "Got spurious packet for channel %d\n", ch); 643 continue; 644 } 645 646 /* FAIL... */ 647 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, 648 sizeof(vop_header))) 649 continue; 650 651 enc_buf.vh = solo_dev->vh_buf; 652 653 /* Sanity check */ 654 if (vop_mpeg_offset(enc_buf.vh) != 655 SOLO_MP4E_EXT_ADDR(solo_dev) + off) 656 continue; 657 658 if (solo_motion_detected(solo_enc)) 659 enc_buf.motion = 1; 660 else 661 enc_buf.motion = 0; 662 663 solo_enc_handle_one(solo_enc, &enc_buf); 664 } 665 } 666 667 static int solo_ring_thread(void *data) 668 { 669 struct solo_dev *solo_dev = data; 670 DECLARE_WAITQUEUE(wait, current); 671 672 set_freezable(); 673 add_wait_queue(&solo_dev->ring_thread_wait, &wait); 674 675 for (;;) { 676 long timeout = schedule_timeout_interruptible(HZ); 677 678 if (timeout == -ERESTARTSYS || kthread_should_stop()) 679 break; 680 solo_handle_ring(solo_dev); 681 try_to_freeze(); 682 } 683 684 remove_wait_queue(&solo_dev->ring_thread_wait, &wait); 685 686 return 0; 687 } 688 689 static int solo_enc_queue_setup(struct vb2_queue *q, 690 const struct v4l2_format *fmt, 691 unsigned int *num_buffers, 692 unsigned int *num_planes, unsigned int sizes[], 693 void *alloc_ctxs[]) 694 { 695 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 696 697 sizes[0] = FRAME_BUF_SIZE; 698 alloc_ctxs[0] = solo_enc->alloc_ctx; 699 *num_planes = 1; 700 701 if (*num_buffers < MIN_VID_BUFFERS) 702 *num_buffers = MIN_VID_BUFFERS; 703 704 return 0; 705 } 706 707 static void solo_enc_buf_queue(struct vb2_buffer *vb) 708 { 709 struct vb2_queue *vq = vb->vb2_queue; 710 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); 711 struct solo_vb2_buf *solo_vb = 712 container_of(vb, struct solo_vb2_buf, vb); 713 714 spin_lock(&solo_enc->av_lock); 715 list_add_tail(&solo_vb->list, &solo_enc->vidq_active); 716 spin_unlock(&solo_enc->av_lock); 717 } 718 719 static int solo_ring_start(struct solo_dev *solo_dev) 720 { 721 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, 722 SOLO6X10_NAME "_ring"); 723 if (IS_ERR(solo_dev->ring_thread)) { 724 int err = PTR_ERR(solo_dev->ring_thread); 725 726 solo_dev->ring_thread = NULL; 727 return err; 728 } 729 730 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 731 732 return 0; 733 } 734 735 static void solo_ring_stop(struct solo_dev *solo_dev) 736 { 737 if (solo_dev->ring_thread) { 738 kthread_stop(solo_dev->ring_thread); 739 solo_dev->ring_thread = NULL; 740 } 741 742 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 743 } 744 745 static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) 746 { 747 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 748 749 return solo_enc_on(solo_enc); 750 } 751 752 static void solo_enc_stop_streaming(struct vb2_queue *q) 753 { 754 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 755 unsigned long flags; 756 757 spin_lock_irqsave(&solo_enc->av_lock, flags); 758 solo_enc_off(solo_enc); 759 while (!list_empty(&solo_enc->vidq_active)) { 760 struct solo_vb2_buf *buf = list_entry( 761 solo_enc->vidq_active.next, 762 struct solo_vb2_buf, list); 763 764 list_del(&buf->list); 765 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 766 } 767 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 768 } 769 770 static void solo_enc_buf_finish(struct vb2_buffer *vb) 771 { 772 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); 773 struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); 774 775 switch (solo_enc->fmt) { 776 case V4L2_PIX_FMT_MPEG4: 777 case V4L2_PIX_FMT_H264: 778 if (vb->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME) 779 sg_copy_from_buffer(vbuf->sgl, vbuf->nents, 780 solo_enc->vop, solo_enc->vop_len); 781 break; 782 default: /* V4L2_PIX_FMT_MJPEG */ 783 sg_copy_from_buffer(vbuf->sgl, vbuf->nents, 784 solo_enc->jpeg_header, solo_enc->jpeg_len); 785 break; 786 } 787 } 788 789 static struct vb2_ops solo_enc_video_qops = { 790 .queue_setup = solo_enc_queue_setup, 791 .buf_queue = solo_enc_buf_queue, 792 .buf_finish = solo_enc_buf_finish, 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 }; 798 799 static 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 } 815 816 static 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 } 835 836 static 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 } 844 845 static int solo_enc_get_input(struct file *file, void *priv, 846 unsigned int *index) 847 { 848 *index = 0; 849 850 return 0; 851 } 852 853 static 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 } 884 885 static 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 } 891 892 static 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 } 931 932 static 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 } 968 969 static 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 } 986 987 static 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 } 998 999 static 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 1006 static 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 1033 static 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 1063 static 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 1079 static 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 1089 static 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 1104 static 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 1165 static 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 1180 static 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 1190 static 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 1222 static 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 1231 static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1232 .s_ctrl = solo_s_ctrl, 1233 }; 1234 1235 static 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 */ 1245 static 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 1254 static 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 solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev); 1267 if (IS_ERR(solo_enc->alloc_ctx)) { 1268 ret = PTR_ERR(solo_enc->alloc_ctx); 1269 goto hdl_free; 1270 } 1271 v4l2_ctrl_handler_init(hdl, 10); 1272 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1273 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1274 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1275 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1276 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1277 V4L2_CID_SATURATION, 0, 255, 1, 128); 1278 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1279 V4L2_CID_HUE, 0, 255, 1, 128); 1280 if (tw28_has_sharpness(solo_dev, ch)) 1281 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1282 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1283 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1284 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1285 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1286 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1287 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1288 V4L2_CID_DETECT_MD_MODE, 1289 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1290 V4L2_DETECT_MD_MODE_DISABLED); 1291 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1292 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1293 SOLO_DEF_MOT_THRESH >> 8); 1294 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1295 solo_enc->md_thresholds = 1296 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1297 if (hdl->error) { 1298 ret = hdl->error; 1299 goto hdl_free; 1300 } 1301 1302 solo_enc->solo_dev = solo_dev; 1303 solo_enc->ch = ch; 1304 mutex_init(&solo_enc->lock); 1305 spin_lock_init(&solo_enc->av_lock); 1306 INIT_LIST_HEAD(&solo_enc->vidq_active); 1307 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1308 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1309 solo_enc->type = SOLO_ENC_TYPE_STD; 1310 1311 solo_enc->qp = SOLO_DEFAULT_QP; 1312 solo_enc->gop = solo_dev->fps; 1313 solo_enc->interval = 1; 1314 solo_enc->mode = SOLO_ENC_MODE_CIF; 1315 solo_enc->motion_global = true; 1316 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1317 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1318 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1319 solo_enc->vidq.ops = &solo_enc_video_qops; 1320 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1321 solo_enc->vidq.drv_priv = solo_enc; 1322 solo_enc->vidq.gfp_flags = __GFP_DMA32; 1323 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1324 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1325 solo_enc->vidq.lock = &solo_enc->lock; 1326 ret = vb2_queue_init(&solo_enc->vidq); 1327 if (ret) 1328 goto hdl_free; 1329 solo_update_mode(solo_enc); 1330 1331 spin_lock_init(&solo_enc->motion_lock); 1332 1333 /* Initialize this per encoder */ 1334 solo_enc->jpeg_len = sizeof(jpeg_header); 1335 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1336 1337 solo_enc->desc_nelts = 32; 1338 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev, 1339 sizeof(struct solo_p2m_desc) * 1340 solo_enc->desc_nelts, 1341 &solo_enc->desc_dma); 1342 ret = -ENOMEM; 1343 if (solo_enc->desc_items == NULL) 1344 goto hdl_free; 1345 1346 solo_enc->vfd = video_device_alloc(); 1347 if (!solo_enc->vfd) 1348 goto pci_free; 1349 1350 *solo_enc->vfd = solo_enc_template; 1351 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1352 solo_enc->vfd->ctrl_handler = hdl; 1353 solo_enc->vfd->queue = &solo_enc->vidq; 1354 solo_enc->vfd->lock = &solo_enc->lock; 1355 video_set_drvdata(solo_enc->vfd, solo_enc); 1356 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr); 1357 if (ret < 0) 1358 goto vdev_release; 1359 1360 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1361 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1362 solo_enc->vfd->num); 1363 1364 return solo_enc; 1365 1366 vdev_release: 1367 video_device_release(solo_enc->vfd); 1368 pci_free: 1369 pci_free_consistent(solo_enc->solo_dev->pdev, 1370 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1371 solo_enc->desc_items, solo_enc->desc_dma); 1372 hdl_free: 1373 v4l2_ctrl_handler_free(hdl); 1374 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1375 kfree(solo_enc); 1376 return ERR_PTR(ret); 1377 } 1378 1379 static void solo_enc_free(struct solo_enc_dev *solo_enc) 1380 { 1381 if (solo_enc == NULL) 1382 return; 1383 1384 pci_free_consistent(solo_enc->solo_dev->pdev, 1385 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1386 solo_enc->desc_items, solo_enc->desc_dma); 1387 video_unregister_device(solo_enc->vfd); 1388 v4l2_ctrl_handler_free(&solo_enc->hdl); 1389 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1390 kfree(solo_enc); 1391 } 1392 1393 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1394 { 1395 int i; 1396 1397 init_waitqueue_head(&solo_dev->ring_thread_wait); 1398 1399 solo_dev->vh_size = sizeof(vop_header); 1400 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev, 1401 solo_dev->vh_size, 1402 &solo_dev->vh_dma); 1403 if (solo_dev->vh_buf == NULL) 1404 return -ENOMEM; 1405 1406 for (i = 0; i < solo_dev->nr_chans; i++) { 1407 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1408 if (IS_ERR(solo_dev->v4l2_enc[i])) 1409 break; 1410 } 1411 1412 if (i != solo_dev->nr_chans) { 1413 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1414 1415 while (i--) 1416 solo_enc_free(solo_dev->v4l2_enc[i]); 1417 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1418 solo_dev->vh_buf, solo_dev->vh_dma); 1419 solo_dev->vh_buf = NULL; 1420 return ret; 1421 } 1422 1423 if (solo_dev->type == SOLO_DEV_6010) 1424 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1425 else 1426 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1427 1428 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1429 solo_dev->v4l2_enc[0]->vfd->num, 1430 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1431 1432 return solo_ring_start(solo_dev); 1433 } 1434 1435 void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1436 { 1437 int i; 1438 1439 solo_ring_stop(solo_dev); 1440 1441 for (i = 0; i < solo_dev->nr_chans; i++) 1442 solo_enc_free(solo_dev->v4l2_enc[i]); 1443 1444 if (solo_dev->vh_buf) 1445 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1446 solo_dev->vh_buf, solo_dev->vh_dma); 1447 } 1448