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 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 48static 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 55static 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 62static 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 */ 70static 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 76static 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 82static 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 88static 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 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 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 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_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 275static 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 285static 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. */ 317static 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 */ 403static inline int vop_interlaced(const vop_header *vh) 404{ 405 return (__le32_to_cpu((*vh)[0]) >> 30) & 1; 406} 407 408static inline u8 vop_channel(const vop_header *vh) 409{ 410 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; 411} 412 413static inline u8 vop_type(const vop_header *vh) 414{ 415 return (__le32_to_cpu((*vh)[0]) >> 22) & 3; 416} 417 418static inline u32 vop_mpeg_size(const vop_header *vh) 419{ 420 return __le32_to_cpu((*vh)[0]) & 0xFFFFF; 421} 422 423static inline u8 vop_hsize(const vop_header *vh) 424{ 425 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; 426} 427 428static inline u8 vop_vsize(const vop_header *vh) 429{ 430 return __le32_to_cpu((*vh)[1]) & 0xFF; 431} 432 433static inline u32 vop_mpeg_offset(const vop_header *vh) 434{ 435 return __le32_to_cpu((*vh)[2]); 436} 437 438static inline u32 vop_jpeg_offset(const vop_header *vh) 439{ 440 return __le32_to_cpu((*vh)[3]); 441} 442 443static inline u32 vop_jpeg_size(const vop_header *vh) 444{ 445 return __le32_to_cpu((*vh)[4]) & 0xFFFFF; 446} 447 448static inline u32 vop_sec(const vop_header *vh) 449{ 450 return __le32_to_cpu((*vh)[5]); 451} 452 453static inline u32 vop_usec(const vop_header *vh) 454{ 455 return __le32_to_cpu((*vh)[6]); 456} 457 458static 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 480static 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 515static 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 vbuf->timestamp.tv_sec = vop_sec(vh); 535 vbuf->timestamp.tv_usec = vop_usec(vh); 536 537 /* Check for motion flags */ 538 if (solo_is_motion_on(solo_enc) && enc_buf->motion) { 539 struct v4l2_event ev = { 540 .type = V4L2_EVENT_MOTION_DET, 541 .u.motion_det = { 542 .flags 543 = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, 544 .frame_sequence = vbuf->sequence, 545 .region_mask = enc_buf->motion ? 1 : 0, 546 }, 547 }; 548 549 v4l2_event_queue(solo_enc->vfd, &ev); 550 } 551 } 552 553 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 554 555 return ret; 556} 557 558static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, 559 struct solo_enc_buf *enc_buf) 560{ 561 struct solo_vb2_buf *vb; 562 unsigned long flags; 563 564 mutex_lock(&solo_enc->lock); 565 if (solo_enc->type != enc_buf->type) 566 goto unlock; 567 568 spin_lock_irqsave(&solo_enc->av_lock, flags); 569 if (list_empty(&solo_enc->vidq_active)) { 570 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 571 goto unlock; 572 } 573 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, 574 list); 575 list_del(&vb->list); 576 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 577 578 solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf); 579unlock: 580 mutex_unlock(&solo_enc->lock); 581} 582 583void solo_enc_v4l2_isr(struct solo_dev *solo_dev) 584{ 585 wake_up_interruptible_all(&solo_dev->ring_thread_wait); 586} 587 588static void solo_handle_ring(struct solo_dev *solo_dev) 589{ 590 for (;;) { 591 struct solo_enc_dev *solo_enc; 592 struct solo_enc_buf enc_buf; 593 u32 mpeg_current, off; 594 u8 ch; 595 u8 cur_q; 596 597 /* Check if the hardware has any new ones in the queue */ 598 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; 599 if (cur_q == solo_dev->enc_idx) 600 break; 601 602 mpeg_current = solo_reg_read(solo_dev, 603 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); 604 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; 605 606 ch = (mpeg_current >> 24) & 0x1f; 607 off = mpeg_current & 0x00ffffff; 608 609 if (ch >= SOLO_MAX_CHANNELS) { 610 ch -= SOLO_MAX_CHANNELS; 611 enc_buf.type = SOLO_ENC_TYPE_EXT; 612 } else 613 enc_buf.type = SOLO_ENC_TYPE_STD; 614 615 solo_enc = solo_dev->v4l2_enc[ch]; 616 if (solo_enc == NULL) { 617 dev_err(&solo_dev->pdev->dev, 618 "Got spurious packet for channel %d\n", ch); 619 continue; 620 } 621 622 /* FAIL... */ 623 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, 624 sizeof(vop_header))) 625 continue; 626 627 enc_buf.vh = solo_dev->vh_buf; 628 629 /* Sanity check */ 630 if (vop_mpeg_offset(enc_buf.vh) != 631 SOLO_MP4E_EXT_ADDR(solo_dev) + off) 632 continue; 633 634 if (solo_motion_detected(solo_enc)) 635 enc_buf.motion = 1; 636 else 637 enc_buf.motion = 0; 638 639 solo_enc_handle_one(solo_enc, &enc_buf); 640 } 641} 642 643static int solo_ring_thread(void *data) 644{ 645 struct solo_dev *solo_dev = data; 646 DECLARE_WAITQUEUE(wait, current); 647 648 set_freezable(); 649 add_wait_queue(&solo_dev->ring_thread_wait, &wait); 650 651 for (;;) { 652 long timeout = schedule_timeout_interruptible(HZ); 653 654 if (timeout == -ERESTARTSYS || kthread_should_stop()) 655 break; 656 solo_handle_ring(solo_dev); 657 try_to_freeze(); 658 } 659 660 remove_wait_queue(&solo_dev->ring_thread_wait, &wait); 661 662 return 0; 663} 664 665static int solo_enc_queue_setup(struct vb2_queue *q, 666 const void *parg, 667 unsigned int *num_buffers, 668 unsigned int *num_planes, unsigned int sizes[], 669 void *alloc_ctxs[]) 670{ 671 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 672 673 sizes[0] = FRAME_BUF_SIZE; 674 alloc_ctxs[0] = solo_enc->alloc_ctx; 675 *num_planes = 1; 676 677 if (*num_buffers < MIN_VID_BUFFERS) 678 *num_buffers = MIN_VID_BUFFERS; 679 680 return 0; 681} 682 683static void solo_enc_buf_queue(struct vb2_buffer *vb) 684{ 685 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 686 struct vb2_queue *vq = vb->vb2_queue; 687 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); 688 struct solo_vb2_buf *solo_vb = 689 container_of(vbuf, struct solo_vb2_buf, vb); 690 691 spin_lock(&solo_enc->av_lock); 692 list_add_tail(&solo_vb->list, &solo_enc->vidq_active); 693 spin_unlock(&solo_enc->av_lock); 694} 695 696static int solo_ring_start(struct solo_dev *solo_dev) 697{ 698 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, 699 SOLO6X10_NAME "_ring"); 700 if (IS_ERR(solo_dev->ring_thread)) { 701 int err = PTR_ERR(solo_dev->ring_thread); 702 703 solo_dev->ring_thread = NULL; 704 return err; 705 } 706 707 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 708 709 return 0; 710} 711 712static void solo_ring_stop(struct solo_dev *solo_dev) 713{ 714 if (solo_dev->ring_thread) { 715 kthread_stop(solo_dev->ring_thread); 716 solo_dev->ring_thread = NULL; 717 } 718 719 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 720} 721 722static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) 723{ 724 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 725 726 return solo_enc_on(solo_enc); 727} 728 729static void solo_enc_stop_streaming(struct vb2_queue *q) 730{ 731 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 732 unsigned long flags; 733 734 spin_lock_irqsave(&solo_enc->av_lock, flags); 735 solo_enc_off(solo_enc); 736 while (!list_empty(&solo_enc->vidq_active)) { 737 struct solo_vb2_buf *buf = list_entry( 738 solo_enc->vidq_active.next, 739 struct solo_vb2_buf, list); 740 741 list_del(&buf->list); 742 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 743 } 744 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 745} 746 747static void solo_enc_buf_finish(struct vb2_buffer *vb) 748{ 749 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 750 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); 751 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 752 753 switch (solo_enc->fmt) { 754 case V4L2_PIX_FMT_MPEG4: 755 case V4L2_PIX_FMT_H264: 756 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME) 757 sg_copy_from_buffer(sgt->sgl, sgt->nents, 758 solo_enc->vop, solo_enc->vop_len); 759 break; 760 default: /* V4L2_PIX_FMT_MJPEG */ 761 sg_copy_from_buffer(sgt->sgl, sgt->nents, 762 solo_enc->jpeg_header, solo_enc->jpeg_len); 763 break; 764 } 765} 766 767static struct vb2_ops solo_enc_video_qops = { 768 .queue_setup = solo_enc_queue_setup, 769 .buf_queue = solo_enc_buf_queue, 770 .buf_finish = solo_enc_buf_finish, 771 .start_streaming = solo_enc_start_streaming, 772 .stop_streaming = solo_enc_stop_streaming, 773 .wait_prepare = vb2_ops_wait_prepare, 774 .wait_finish = vb2_ops_wait_finish, 775}; 776 777static int solo_enc_querycap(struct file *file, void *priv, 778 struct v4l2_capability *cap) 779{ 780 struct solo_enc_dev *solo_enc = video_drvdata(file); 781 struct solo_dev *solo_dev = solo_enc->solo_dev; 782 783 strcpy(cap->driver, SOLO6X10_NAME); 784 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", 785 solo_enc->ch); 786 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", 787 pci_name(solo_dev->pdev)); 788 cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | 789 V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; 790 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; 791 return 0; 792} 793 794static int solo_enc_enum_input(struct file *file, void *priv, 795 struct v4l2_input *input) 796{ 797 struct solo_enc_dev *solo_enc = video_drvdata(file); 798 struct solo_dev *solo_dev = solo_enc->solo_dev; 799 800 if (input->index) 801 return -EINVAL; 802 803 snprintf(input->name, sizeof(input->name), "Encoder %d", 804 solo_enc->ch + 1); 805 input->type = V4L2_INPUT_TYPE_CAMERA; 806 input->std = solo_enc->vfd->tvnorms; 807 808 if (!tw28_get_video_status(solo_dev, solo_enc->ch)) 809 input->status = V4L2_IN_ST_NO_SIGNAL; 810 811 return 0; 812} 813 814static int solo_enc_set_input(struct file *file, void *priv, 815 unsigned int index) 816{ 817 if (index) 818 return -EINVAL; 819 820 return 0; 821} 822 823static int solo_enc_get_input(struct file *file, void *priv, 824 unsigned int *index) 825{ 826 *index = 0; 827 828 return 0; 829} 830 831static int solo_enc_enum_fmt_cap(struct file *file, void *priv, 832 struct v4l2_fmtdesc *f) 833{ 834 struct solo_enc_dev *solo_enc = video_drvdata(file); 835 int dev_type = solo_enc->solo_dev->type; 836 837 switch (f->index) { 838 case 0: 839 switch (dev_type) { 840 case SOLO_DEV_6010: 841 f->pixelformat = V4L2_PIX_FMT_MPEG4; 842 strcpy(f->description, "MPEG-4 part 2"); 843 break; 844 case SOLO_DEV_6110: 845 f->pixelformat = V4L2_PIX_FMT_H264; 846 strcpy(f->description, "H.264"); 847 break; 848 } 849 break; 850 case 1: 851 f->pixelformat = V4L2_PIX_FMT_MJPEG; 852 strcpy(f->description, "MJPEG"); 853 break; 854 default: 855 return -EINVAL; 856 } 857 858 f->flags = V4L2_FMT_FLAG_COMPRESSED; 859 860 return 0; 861} 862 863static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) 864{ 865 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) 866 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) 867 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; 868} 869 870static int solo_enc_try_fmt_cap(struct file *file, void *priv, 871 struct v4l2_format *f) 872{ 873 struct solo_enc_dev *solo_enc = video_drvdata(file); 874 struct solo_dev *solo_dev = solo_enc->solo_dev; 875 struct v4l2_pix_format *pix = &f->fmt.pix; 876 877 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) 878 return -EINVAL; 879 880 if (pix->width < solo_dev->video_hsize || 881 pix->height < solo_dev->video_vsize << 1) { 882 /* Default to CIF 1/2 size */ 883 pix->width = solo_dev->video_hsize >> 1; 884 pix->height = solo_dev->video_vsize; 885 } else { 886 /* Full frame */ 887 pix->width = solo_dev->video_hsize; 888 pix->height = solo_dev->video_vsize << 1; 889 } 890 891 switch (pix->field) { 892 case V4L2_FIELD_NONE: 893 case V4L2_FIELD_INTERLACED: 894 break; 895 case V4L2_FIELD_ANY: 896 default: 897 pix->field = V4L2_FIELD_INTERLACED; 898 break; 899 } 900 901 /* Just set these */ 902 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 903 pix->sizeimage = FRAME_BUF_SIZE; 904 pix->bytesperline = 0; 905 pix->priv = 0; 906 907 return 0; 908} 909 910static int solo_enc_set_fmt_cap(struct file *file, void *priv, 911 struct v4l2_format *f) 912{ 913 struct solo_enc_dev *solo_enc = video_drvdata(file); 914 struct solo_dev *solo_dev = solo_enc->solo_dev; 915 struct v4l2_pix_format *pix = &f->fmt.pix; 916 int ret; 917 918 if (vb2_is_busy(&solo_enc->vidq)) 919 return -EBUSY; 920 921 ret = solo_enc_try_fmt_cap(file, priv, f); 922 if (ret) 923 return ret; 924 925 if (pix->width == solo_dev->video_hsize) 926 solo_enc->mode = SOLO_ENC_MODE_D1; 927 else 928 solo_enc->mode = SOLO_ENC_MODE_CIF; 929 930 /* This does not change the encoder at all */ 931 solo_enc->fmt = pix->pixelformat; 932 933 /* 934 * More information is needed about these 'extended' types. As far 935 * as I can tell these are basically additional video streams with 936 * different MPEG encoding attributes that can run in parallel with 937 * the main stream. If so, then this should be implemented as a 938 * second video node. Abusing priv like this is certainly not the 939 * right approach. 940 if (pix->priv) 941 solo_enc->type = SOLO_ENC_TYPE_EXT; 942 */ 943 solo_update_mode(solo_enc); 944 return 0; 945} 946 947static int solo_enc_get_fmt_cap(struct file *file, void *priv, 948 struct v4l2_format *f) 949{ 950 struct solo_enc_dev *solo_enc = video_drvdata(file); 951 struct v4l2_pix_format *pix = &f->fmt.pix; 952 953 pix->width = solo_enc->width; 954 pix->height = solo_enc->height; 955 pix->pixelformat = solo_enc->fmt; 956 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : 957 V4L2_FIELD_NONE; 958 pix->sizeimage = FRAME_BUF_SIZE; 959 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 960 pix->priv = 0; 961 962 return 0; 963} 964 965static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) 966{ 967 struct solo_enc_dev *solo_enc = video_drvdata(file); 968 struct solo_dev *solo_dev = solo_enc->solo_dev; 969 970 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 971 *i = V4L2_STD_NTSC_M; 972 else 973 *i = V4L2_STD_PAL; 974 return 0; 975} 976 977static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) 978{ 979 struct solo_enc_dev *solo_enc = video_drvdata(file); 980 981 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); 982} 983 984static int solo_enum_framesizes(struct file *file, void *priv, 985 struct v4l2_frmsizeenum *fsize) 986{ 987 struct solo_enc_dev *solo_enc = video_drvdata(file); 988 struct solo_dev *solo_dev = solo_enc->solo_dev; 989 990 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) 991 return -EINVAL; 992 993 switch (fsize->index) { 994 case 0: 995 fsize->discrete.width = solo_dev->video_hsize >> 1; 996 fsize->discrete.height = solo_dev->video_vsize; 997 break; 998 case 1: 999 fsize->discrete.width = solo_dev->video_hsize; 1000 fsize->discrete.height = solo_dev->video_vsize << 1; 1001 break; 1002 default: 1003 return -EINVAL; 1004 } 1005 1006 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 1007 1008 return 0; 1009} 1010 1011static int solo_enum_frameintervals(struct file *file, void *priv, 1012 struct v4l2_frmivalenum *fintv) 1013{ 1014 struct solo_enc_dev *solo_enc = video_drvdata(file); 1015 struct solo_dev *solo_dev = solo_enc->solo_dev; 1016 1017 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) 1018 return -EINVAL; 1019 if (fintv->index) 1020 return -EINVAL; 1021 if ((fintv->width != solo_dev->video_hsize >> 1 || 1022 fintv->height != solo_dev->video_vsize) && 1023 (fintv->width != solo_dev->video_hsize || 1024 fintv->height != solo_dev->video_vsize << 1)) 1025 return -EINVAL; 1026 1027 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; 1028 1029 fintv->stepwise.min.numerator = 1; 1030 fintv->stepwise.min.denominator = solo_dev->fps; 1031 1032 fintv->stepwise.max.numerator = 15; 1033 fintv->stepwise.max.denominator = solo_dev->fps; 1034 1035 fintv->stepwise.step.numerator = 1; 1036 fintv->stepwise.step.denominator = solo_dev->fps; 1037 1038 return 0; 1039} 1040 1041static int solo_g_parm(struct file *file, void *priv, 1042 struct v4l2_streamparm *sp) 1043{ 1044 struct solo_enc_dev *solo_enc = video_drvdata(file); 1045 struct v4l2_captureparm *cp = &sp->parm.capture; 1046 1047 cp->capability = V4L2_CAP_TIMEPERFRAME; 1048 cp->timeperframe.numerator = solo_enc->interval; 1049 cp->timeperframe.denominator = solo_enc->solo_dev->fps; 1050 cp->capturemode = 0; 1051 /* XXX: Shouldn't we be able to get/set this from videobuf? */ 1052 cp->readbuffers = 2; 1053 1054 return 0; 1055} 1056 1057static inline int calc_interval(u8 fps, u32 n, u32 d) 1058{ 1059 if (!n || !d) 1060 return 1; 1061 if (d == fps) 1062 return n; 1063 n *= fps; 1064 return min(15U, n / d + (n % d >= (fps >> 1))); 1065} 1066 1067static int solo_s_parm(struct file *file, void *priv, 1068 struct v4l2_streamparm *sp) 1069{ 1070 struct solo_enc_dev *solo_enc = video_drvdata(file); 1071 struct v4l2_fract *t = &sp->parm.capture.timeperframe; 1072 u8 fps = solo_enc->solo_dev->fps; 1073 1074 if (vb2_is_streaming(&solo_enc->vidq)) 1075 return -EBUSY; 1076 1077 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); 1078 solo_update_mode(solo_enc); 1079 return solo_g_parm(file, priv, sp); 1080} 1081 1082static int solo_s_ctrl(struct v4l2_ctrl *ctrl) 1083{ 1084 struct solo_enc_dev *solo_enc = 1085 container_of(ctrl->handler, struct solo_enc_dev, hdl); 1086 struct solo_dev *solo_dev = solo_enc->solo_dev; 1087 int err; 1088 1089 switch (ctrl->id) { 1090 case V4L2_CID_BRIGHTNESS: 1091 case V4L2_CID_CONTRAST: 1092 case V4L2_CID_SATURATION: 1093 case V4L2_CID_HUE: 1094 case V4L2_CID_SHARPNESS: 1095 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, 1096 ctrl->val); 1097 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 1098 solo_enc->gop = ctrl->val; 1099 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); 1100 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); 1101 return 0; 1102 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: 1103 solo_enc->qp = ctrl->val; 1104 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); 1105 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); 1106 return 0; 1107 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: 1108 solo_enc->motion_thresh = ctrl->val << 8; 1109 if (!solo_enc->motion_global || !solo_enc->motion_enabled) 1110 return 0; 1111 return solo_set_motion_threshold(solo_dev, solo_enc->ch, 1112 solo_enc->motion_thresh); 1113 case V4L2_CID_DETECT_MD_MODE: 1114 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; 1115 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; 1116 if (ctrl->val) { 1117 if (solo_enc->motion_global) 1118 err = solo_set_motion_threshold(solo_dev, solo_enc->ch, 1119 solo_enc->motion_thresh); 1120 else 1121 err = solo_set_motion_block(solo_dev, solo_enc->ch, 1122 solo_enc->md_thresholds->p_cur.p_u16); 1123 if (err) 1124 return err; 1125 } 1126 solo_motion_toggle(solo_enc, ctrl->val); 1127 return 0; 1128 case V4L2_CID_DETECT_MD_THRESHOLD_GRID: 1129 if (solo_enc->motion_enabled && !solo_enc->motion_global) 1130 return solo_set_motion_block(solo_dev, solo_enc->ch, 1131 solo_enc->md_thresholds->p_new.p_u16); 1132 break; 1133 case V4L2_CID_OSD_TEXT: 1134 strcpy(solo_enc->osd_text, ctrl->p_new.p_char); 1135 return solo_osd_print(solo_enc); 1136 default: 1137 return -EINVAL; 1138 } 1139 1140 return 0; 1141} 1142 1143static int solo_subscribe_event(struct v4l2_fh *fh, 1144 const struct v4l2_event_subscription *sub) 1145{ 1146 1147 switch (sub->type) { 1148 case V4L2_EVENT_CTRL: 1149 return v4l2_ctrl_subscribe_event(fh, sub); 1150 case V4L2_EVENT_MOTION_DET: 1151 /* Allow for up to 30 events (1 second for NTSC) to be 1152 * stored. */ 1153 return v4l2_event_subscribe(fh, sub, 30, NULL); 1154 } 1155 return -EINVAL; 1156} 1157 1158static const struct v4l2_file_operations solo_enc_fops = { 1159 .owner = THIS_MODULE, 1160 .open = v4l2_fh_open, 1161 .release = vb2_fop_release, 1162 .read = vb2_fop_read, 1163 .poll = vb2_fop_poll, 1164 .mmap = vb2_fop_mmap, 1165 .unlocked_ioctl = video_ioctl2, 1166}; 1167 1168static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { 1169 .vidioc_querycap = solo_enc_querycap, 1170 .vidioc_s_std = solo_enc_s_std, 1171 .vidioc_g_std = solo_enc_g_std, 1172 /* Input callbacks */ 1173 .vidioc_enum_input = solo_enc_enum_input, 1174 .vidioc_s_input = solo_enc_set_input, 1175 .vidioc_g_input = solo_enc_get_input, 1176 /* Video capture format callbacks */ 1177 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, 1178 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, 1179 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, 1180 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, 1181 /* Streaming I/O */ 1182 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1183 .vidioc_querybuf = vb2_ioctl_querybuf, 1184 .vidioc_qbuf = vb2_ioctl_qbuf, 1185 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1186 .vidioc_streamon = vb2_ioctl_streamon, 1187 .vidioc_streamoff = vb2_ioctl_streamoff, 1188 /* Frame size and interval */ 1189 .vidioc_enum_framesizes = solo_enum_framesizes, 1190 .vidioc_enum_frameintervals = solo_enum_frameintervals, 1191 /* Video capture parameters */ 1192 .vidioc_s_parm = solo_s_parm, 1193 .vidioc_g_parm = solo_g_parm, 1194 /* Logging and events */ 1195 .vidioc_log_status = v4l2_ctrl_log_status, 1196 .vidioc_subscribe_event = solo_subscribe_event, 1197 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1198}; 1199 1200static const struct video_device solo_enc_template = { 1201 .name = SOLO6X10_NAME, 1202 .fops = &solo_enc_fops, 1203 .ioctl_ops = &solo_enc_ioctl_ops, 1204 .minor = -1, 1205 .release = video_device_release, 1206 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, 1207}; 1208 1209static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1210 .s_ctrl = solo_s_ctrl, 1211}; 1212 1213static const struct v4l2_ctrl_config solo_osd_text_ctrl = { 1214 .ops = &solo_ctrl_ops, 1215 .id = V4L2_CID_OSD_TEXT, 1216 .name = "OSD Text", 1217 .type = V4L2_CTRL_TYPE_STRING, 1218 .max = OSD_TEXT_MAX, 1219 .step = 1, 1220}; 1221 1222/* Motion Detection Threshold matrix */ 1223static const struct v4l2_ctrl_config solo_md_thresholds = { 1224 .ops = &solo_ctrl_ops, 1225 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, 1226 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, 1227 .def = SOLO_DEF_MOT_THRESH, 1228 .max = 65535, 1229 .step = 1, 1230}; 1231 1232static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, 1233 u8 ch, unsigned nr) 1234{ 1235 struct solo_enc_dev *solo_enc; 1236 struct v4l2_ctrl_handler *hdl; 1237 int ret; 1238 1239 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); 1240 if (!solo_enc) 1241 return ERR_PTR(-ENOMEM); 1242 1243 hdl = &solo_enc->hdl; 1244 solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev); 1245 if (IS_ERR(solo_enc->alloc_ctx)) { 1246 ret = PTR_ERR(solo_enc->alloc_ctx); 1247 goto hdl_free; 1248 } 1249 v4l2_ctrl_handler_init(hdl, 10); 1250 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1251 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1252 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1253 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1254 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1255 V4L2_CID_SATURATION, 0, 255, 1, 128); 1256 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1257 V4L2_CID_HUE, 0, 255, 1, 128); 1258 if (tw28_has_sharpness(solo_dev, ch)) 1259 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1260 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1261 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1262 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1263 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1264 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1265 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1266 V4L2_CID_DETECT_MD_MODE, 1267 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1268 V4L2_DETECT_MD_MODE_DISABLED); 1269 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1270 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1271 SOLO_DEF_MOT_THRESH >> 8); 1272 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1273 solo_enc->md_thresholds = 1274 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1275 if (hdl->error) { 1276 ret = hdl->error; 1277 goto hdl_free; 1278 } 1279 1280 solo_enc->solo_dev = solo_dev; 1281 solo_enc->ch = ch; 1282 mutex_init(&solo_enc->lock); 1283 spin_lock_init(&solo_enc->av_lock); 1284 INIT_LIST_HEAD(&solo_enc->vidq_active); 1285 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1286 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1287 solo_enc->type = SOLO_ENC_TYPE_STD; 1288 1289 solo_enc->qp = SOLO_DEFAULT_QP; 1290 solo_enc->gop = solo_dev->fps; 1291 solo_enc->interval = 1; 1292 solo_enc->mode = SOLO_ENC_MODE_CIF; 1293 solo_enc->motion_global = true; 1294 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1295 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1296 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1297 solo_enc->vidq.ops = &solo_enc_video_qops; 1298 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1299 solo_enc->vidq.drv_priv = solo_enc; 1300 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM; 1301 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1302 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1303 solo_enc->vidq.lock = &solo_enc->lock; 1304 ret = vb2_queue_init(&solo_enc->vidq); 1305 if (ret) 1306 goto hdl_free; 1307 solo_update_mode(solo_enc); 1308 1309 spin_lock_init(&solo_enc->motion_lock); 1310 1311 /* Initialize this per encoder */ 1312 solo_enc->jpeg_len = sizeof(jpeg_header); 1313 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1314 1315 solo_enc->desc_nelts = 32; 1316 solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev, 1317 sizeof(struct solo_p2m_desc) * 1318 solo_enc->desc_nelts, 1319 &solo_enc->desc_dma); 1320 ret = -ENOMEM; 1321 if (solo_enc->desc_items == NULL) 1322 goto hdl_free; 1323 1324 solo_enc->vfd = video_device_alloc(); 1325 if (!solo_enc->vfd) 1326 goto pci_free; 1327 1328 *solo_enc->vfd = solo_enc_template; 1329 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1330 solo_enc->vfd->ctrl_handler = hdl; 1331 solo_enc->vfd->queue = &solo_enc->vidq; 1332 solo_enc->vfd->lock = &solo_enc->lock; 1333 video_set_drvdata(solo_enc->vfd, solo_enc); 1334 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr); 1335 if (ret < 0) 1336 goto vdev_release; 1337 1338 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1339 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1340 solo_enc->vfd->num); 1341 1342 return solo_enc; 1343 1344vdev_release: 1345 video_device_release(solo_enc->vfd); 1346pci_free: 1347 pci_free_consistent(solo_enc->solo_dev->pdev, 1348 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1349 solo_enc->desc_items, solo_enc->desc_dma); 1350hdl_free: 1351 v4l2_ctrl_handler_free(hdl); 1352 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1353 kfree(solo_enc); 1354 return ERR_PTR(ret); 1355} 1356 1357static void solo_enc_free(struct solo_enc_dev *solo_enc) 1358{ 1359 if (solo_enc == NULL) 1360 return; 1361 1362 pci_free_consistent(solo_enc->solo_dev->pdev, 1363 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1364 solo_enc->desc_items, solo_enc->desc_dma); 1365 video_unregister_device(solo_enc->vfd); 1366 v4l2_ctrl_handler_free(&solo_enc->hdl); 1367 vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx); 1368 kfree(solo_enc); 1369} 1370 1371int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1372{ 1373 int i; 1374 1375 init_waitqueue_head(&solo_dev->ring_thread_wait); 1376 1377 solo_dev->vh_size = sizeof(vop_header); 1378 solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev, 1379 solo_dev->vh_size, 1380 &solo_dev->vh_dma); 1381 if (solo_dev->vh_buf == NULL) 1382 return -ENOMEM; 1383 1384 for (i = 0; i < solo_dev->nr_chans; i++) { 1385 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1386 if (IS_ERR(solo_dev->v4l2_enc[i])) 1387 break; 1388 } 1389 1390 if (i != solo_dev->nr_chans) { 1391 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1392 1393 while (i--) 1394 solo_enc_free(solo_dev->v4l2_enc[i]); 1395 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1396 solo_dev->vh_buf, solo_dev->vh_dma); 1397 solo_dev->vh_buf = NULL; 1398 return ret; 1399 } 1400 1401 if (solo_dev->type == SOLO_DEV_6010) 1402 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1403 else 1404 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1405 1406 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1407 solo_dev->v4l2_enc[0]->vfd->num, 1408 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1409 1410 return solo_ring_start(solo_dev); 1411} 1412 1413void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1414{ 1415 int i; 1416 1417 solo_ring_stop(solo_dev); 1418 1419 for (i = 0; i < solo_dev->nr_chans; i++) 1420 solo_enc_free(solo_dev->v4l2_enc[i]); 1421 1422 if (solo_dev->vh_buf) 1423 pci_free_consistent(solo_dev->pdev, solo_dev->vh_size, 1424 solo_dev->vh_buf, solo_dev->vh_dma); 1425} 1426