1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (C) 2010-2013 Bluecherry, LLC <https://www.bluecherrydvr.com> 4 * 5 * Original author: 6 * Ben Collins <bcollins@ubuntu.com> 7 * 8 * Additional work by: 9 * John Brooks <john.brooks@bluecherry.net> 10 */ 11 12#include <linux/kernel.h> 13#include <linux/module.h> 14#include <linux/kthread.h> 15#include <linux/freezer.h> 16 17#include <media/v4l2-ioctl.h> 18#include <media/v4l2-common.h> 19#include <media/v4l2-event.h> 20#include <media/videobuf2-dma-sg.h> 21 22#include "solo6x10.h" 23#include "solo6x10-tw28.h" 24#include "solo6x10-jpeg.h" 25 26#define MIN_VID_BUFFERS 2 27#define FRAME_BUF_SIZE (400 * 1024) 28#define MP4_QS 16 29#define DMA_ALIGN 4096 30 31/* 6010 M4V */ 32static u8 vop_6010_ntsc_d1[] = { 33 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 34 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 35 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 36 0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f, 37}; 38 39static u8 vop_6010_ntsc_cif[] = { 40 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 41 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 42 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 43 0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f, 44}; 45 46static u8 vop_6010_pal_d1[] = { 47 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 48 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 49 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 50 0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f, 51}; 52 53static u8 vop_6010_pal_cif[] = { 54 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 55 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 56 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 57 0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f, 58}; 59 60/* 6110 h.264 */ 61static u8 vop_6110_ntsc_d1[] = { 62 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 63 0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00, 64 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 65}; 66 67static u8 vop_6110_ntsc_cif[] = { 68 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 69 0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00, 70 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, 71}; 72 73static u8 vop_6110_pal_d1[] = { 74 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 75 0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00, 76 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 77}; 78 79static u8 vop_6110_pal_cif[] = { 80 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 81 0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00, 82 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, 83}; 84 85typedef __le32 vop_header[16]; 86 87struct solo_enc_buf { 88 enum solo_enc_types type; 89 const vop_header *vh; 90 int motion; 91}; 92 93static int solo_is_motion_on(struct solo_enc_dev *solo_enc) 94{ 95 struct solo_dev *solo_dev = solo_enc->solo_dev; 96 97 return (solo_dev->motion_mask >> solo_enc->ch) & 1; 98} 99 100static int solo_motion_detected(struct solo_enc_dev *solo_enc) 101{ 102 struct solo_dev *solo_dev = solo_enc->solo_dev; 103 unsigned long flags; 104 u32 ch_mask = 1 << solo_enc->ch; 105 int ret = 0; 106 107 spin_lock_irqsave(&solo_enc->motion_lock, flags); 108 if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) { 109 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask); 110 ret = 1; 111 } 112 spin_unlock_irqrestore(&solo_enc->motion_lock, flags); 113 114 return ret; 115} 116 117static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on) 118{ 119 struct solo_dev *solo_dev = solo_enc->solo_dev; 120 u32 mask = 1 << solo_enc->ch; 121 unsigned long flags; 122 123 spin_lock_irqsave(&solo_enc->motion_lock, flags); 124 125 if (on) 126 solo_dev->motion_mask |= mask; 127 else 128 solo_dev->motion_mask &= ~mask; 129 130 solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask); 131 132 solo_reg_write(solo_dev, SOLO_VI_MOT_ADR, 133 SOLO_VI_MOTION_EN(solo_dev->motion_mask) | 134 (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16)); 135 136 spin_unlock_irqrestore(&solo_enc->motion_lock, flags); 137} 138 139void solo_update_mode(struct solo_enc_dev *solo_enc) 140{ 141 struct solo_dev *solo_dev = solo_enc->solo_dev; 142 int vop_len; 143 u8 *vop; 144 145 solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0; 146 solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1); 147 148 if (solo_enc->mode == SOLO_ENC_MODE_CIF) { 149 solo_enc->width = solo_dev->video_hsize >> 1; 150 solo_enc->height = solo_dev->video_vsize; 151 if (solo_dev->type == SOLO_DEV_6110) { 152 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 153 vop = vop_6110_ntsc_cif; 154 vop_len = sizeof(vop_6110_ntsc_cif); 155 } else { 156 vop = vop_6110_pal_cif; 157 vop_len = sizeof(vop_6110_pal_cif); 158 } 159 } else { 160 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 161 vop = vop_6010_ntsc_cif; 162 vop_len = sizeof(vop_6010_ntsc_cif); 163 } else { 164 vop = vop_6010_pal_cif; 165 vop_len = sizeof(vop_6010_pal_cif); 166 } 167 } 168 } else { 169 solo_enc->width = solo_dev->video_hsize; 170 solo_enc->height = solo_dev->video_vsize << 1; 171 solo_enc->bw_weight <<= 2; 172 if (solo_dev->type == SOLO_DEV_6110) { 173 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 174 vop = vop_6110_ntsc_d1; 175 vop_len = sizeof(vop_6110_ntsc_d1); 176 } else { 177 vop = vop_6110_pal_d1; 178 vop_len = sizeof(vop_6110_pal_d1); 179 } 180 } else { 181 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { 182 vop = vop_6010_ntsc_d1; 183 vop_len = sizeof(vop_6010_ntsc_d1); 184 } else { 185 vop = vop_6010_pal_d1; 186 vop_len = sizeof(vop_6010_pal_d1); 187 } 188 } 189 } 190 191 memcpy(solo_enc->vop, vop, vop_len); 192 193 /* Some fixups for 6010/M4V */ 194 if (solo_dev->type == SOLO_DEV_6010) { 195 u16 fps = solo_dev->fps * 1000; 196 u16 interval = solo_enc->interval * 1000; 197 198 vop = solo_enc->vop; 199 200 /* Frame rate and interval */ 201 vop[22] = fps >> 4; 202 vop[23] = ((fps << 4) & 0xf0) | 0x0c 203 | ((interval >> 13) & 0x3); 204 vop[24] = (interval >> 5) & 0xff; 205 vop[25] = ((interval << 3) & 0xf8) | 0x04; 206 } 207 208 solo_enc->vop_len = vop_len; 209 210 /* Now handle the jpeg header */ 211 vop = solo_enc->jpeg_header; 212 vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8); 213 vop[SOF0_START + 6] = 0xff & solo_enc->height; 214 vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8); 215 vop[SOF0_START + 8] = 0xff & solo_enc->width; 216 217 memcpy(vop + DQT_START, 218 jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN); 219} 220 221static int solo_enc_on(struct solo_enc_dev *solo_enc) 222{ 223 u8 ch = solo_enc->ch; 224 struct solo_dev *solo_dev = solo_enc->solo_dev; 225 u8 interval; 226 227 solo_update_mode(solo_enc); 228 229 /* Make sure to do a bandwidth check */ 230 if (solo_enc->bw_weight > solo_dev->enc_bw_remain) 231 return -EBUSY; 232 solo_enc->sequence = 0; 233 solo_dev->enc_bw_remain -= solo_enc->bw_weight; 234 235 if (solo_enc->type == SOLO_ENC_TYPE_EXT) 236 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1); 237 238 /* Disable all encoding for this channel */ 239 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0); 240 241 /* Common for both std and ext encoding */ 242 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch), 243 solo_enc->interlaced ? 1 : 0); 244 245 if (solo_enc->interlaced) 246 interval = solo_enc->interval - 1; 247 else 248 interval = solo_enc->interval; 249 250 /* Standard encoding only */ 251 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop); 252 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp); 253 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval); 254 255 /* Extended encoding only */ 256 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop); 257 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp); 258 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval); 259 260 /* Enables the standard encoder */ 261 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode); 262 263 return 0; 264} 265 266static void solo_enc_off(struct solo_enc_dev *solo_enc) 267{ 268 struct solo_dev *solo_dev = solo_enc->solo_dev; 269 270 solo_dev->enc_bw_remain += solo_enc->bw_weight; 271 272 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0); 273 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0); 274} 275 276static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma, 277 unsigned int off, unsigned int size) 278{ 279 int ret; 280 281 if (off > SOLO_MP4E_EXT_SIZE(solo_dev)) 282 return -EINVAL; 283 284 /* Single shot */ 285 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) { 286 return solo_p2m_dma_t(solo_dev, 0, dma, 287 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size, 288 0, 0); 289 } 290 291 /* Buffer wrap */ 292 ret = solo_p2m_dma_t(solo_dev, 0, dma, 293 SOLO_MP4E_EXT_ADDR(solo_dev) + off, 294 SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0); 295 296 if (!ret) { 297 ret = solo_p2m_dma_t(solo_dev, 0, 298 dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off, 299 SOLO_MP4E_EXT_ADDR(solo_dev), 300 size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0); 301 } 302 303 return ret; 304} 305 306/* Build a descriptor queue out of an SG list and send it to the P2M for 307 * processing. */ 308static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip, 309 struct sg_table *vbuf, int off, int size, 310 unsigned int base, unsigned int base_size) 311{ 312 struct solo_dev *solo_dev = solo_enc->solo_dev; 313 struct scatterlist *sg; 314 int i; 315 int ret; 316 317 if (WARN_ON_ONCE(size > FRAME_BUF_SIZE)) 318 return -EINVAL; 319 320 solo_enc->desc_count = 1; 321 322 for_each_sg(vbuf->sgl, sg, vbuf->nents, i) { 323 struct solo_p2m_desc *desc; 324 dma_addr_t dma; 325 int len; 326 int left = base_size - off; 327 328 desc = &solo_enc->desc_items[solo_enc->desc_count++]; 329 dma = sg_dma_address(sg); 330 len = sg_dma_len(sg); 331 332 /* We assume this is smaller than the scatter size */ 333 BUG_ON(skip >= len); 334 if (skip) { 335 len -= skip; 336 dma += skip; 337 size -= skip; 338 skip = 0; 339 } 340 341 len = min(len, size); 342 343 if (len <= left) { 344 /* Single descriptor */ 345 solo_p2m_fill_desc(desc, 0, dma, base + off, 346 len, 0, 0); 347 } else { 348 /* Buffer wrap */ 349 /* XXX: Do these as separate DMA requests, to avoid 350 timeout errors triggered by awkwardly sized 351 descriptors. See 352 <https://github.com/bluecherrydvr/solo6x10/issues/8> 353 */ 354 ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off, 355 left, 0, 0); 356 if (ret) 357 return ret; 358 359 ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base, 360 len - left, 0, 0); 361 if (ret) 362 return ret; 363 364 solo_enc->desc_count--; 365 } 366 367 size -= len; 368 if (size <= 0) 369 break; 370 371 off += len; 372 if (off >= base_size) 373 off -= base_size; 374 375 /* Because we may use two descriptors per loop */ 376 if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) { 377 ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 378 solo_enc->desc_dma, 379 solo_enc->desc_count - 1); 380 if (ret) 381 return ret; 382 solo_enc->desc_count = 1; 383 } 384 } 385 386 if (solo_enc->desc_count <= 1) 387 return 0; 388 389 return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, 390 solo_enc->desc_dma, solo_enc->desc_count - 1); 391} 392 393/* Extract values from VOP header - VE_STATUSxx */ 394static inline __always_unused int vop_interlaced(const vop_header *vh) 395{ 396 return (__le32_to_cpu((*vh)[0]) >> 30) & 1; 397} 398 399static inline __always_unused u8 vop_channel(const vop_header *vh) 400{ 401 return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; 402} 403 404static inline u8 vop_type(const vop_header *vh) 405{ 406 return (__le32_to_cpu((*vh)[0]) >> 22) & 3; 407} 408 409static inline u32 vop_mpeg_size(const vop_header *vh) 410{ 411 return __le32_to_cpu((*vh)[0]) & 0xFFFFF; 412} 413 414static inline u8 __always_unused vop_hsize(const vop_header *vh) 415{ 416 return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; 417} 418 419static inline u8 __always_unused vop_vsize(const vop_header *vh) 420{ 421 return __le32_to_cpu((*vh)[1]) & 0xFF; 422} 423 424static inline u32 vop_mpeg_offset(const vop_header *vh) 425{ 426 return __le32_to_cpu((*vh)[2]); 427} 428 429static inline u32 vop_jpeg_offset(const vop_header *vh) 430{ 431 return __le32_to_cpu((*vh)[3]); 432} 433 434static inline u32 vop_jpeg_size(const vop_header *vh) 435{ 436 return __le32_to_cpu((*vh)[4]) & 0xFFFFF; 437} 438 439static inline u32 __always_unused vop_sec(const vop_header *vh) 440{ 441 return __le32_to_cpu((*vh)[5]); 442} 443 444static inline __always_unused u32 vop_usec(const vop_header *vh) 445{ 446 return __le32_to_cpu((*vh)[6]); 447} 448 449static int solo_fill_jpeg(struct solo_enc_dev *solo_enc, 450 struct vb2_buffer *vb, const vop_header *vh) 451{ 452 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 453 struct solo_dev *solo_dev = solo_enc->solo_dev; 454 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 455 int frame_size; 456 457 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; 458 459 if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len) 460 return -EIO; 461 462 frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN); 463 vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len); 464 465 return solo_send_desc(solo_enc, solo_enc->jpeg_len, sgt, 466 vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), 467 frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), 468 SOLO_JPEG_EXT_SIZE(solo_dev)); 469} 470 471static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, 472 struct vb2_buffer *vb, const vop_header *vh) 473{ 474 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 475 struct solo_dev *solo_dev = solo_enc->solo_dev; 476 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 477 int frame_off, frame_size; 478 int skip = 0; 479 480 if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh)) 481 return -EIO; 482 483 /* If this is a key frame, add extra header */ 484 vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME | 485 V4L2_BUF_FLAG_BFRAME); 486 if (!vop_type(vh)) { 487 skip = solo_enc->vop_len; 488 vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; 489 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + 490 solo_enc->vop_len); 491 } else { 492 vbuf->flags |= V4L2_BUF_FLAG_PFRAME; 493 vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh)); 494 } 495 496 /* Now get the actual mpeg payload */ 497 frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) + 498 sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev); 499 frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN); 500 501 return solo_send_desc(solo_enc, skip, sgt, frame_off, frame_size, 502 SOLO_MP4E_EXT_ADDR(solo_dev), 503 SOLO_MP4E_EXT_SIZE(solo_dev)); 504} 505 506static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc, 507 struct vb2_buffer *vb, struct solo_enc_buf *enc_buf) 508{ 509 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 510 const vop_header *vh = enc_buf->vh; 511 int ret; 512 513 switch (solo_enc->fmt) { 514 case V4L2_PIX_FMT_MPEG4: 515 case V4L2_PIX_FMT_H264: 516 ret = solo_fill_mpeg(solo_enc, vb, vh); 517 break; 518 default: /* V4L2_PIX_FMT_MJPEG */ 519 ret = solo_fill_jpeg(solo_enc, vb, vh); 520 break; 521 } 522 523 if (!ret) { 524 vbuf->sequence = solo_enc->sequence++; 525 vb->timestamp = ktime_get_ns(); 526 527 /* Check for motion flags */ 528 if (solo_is_motion_on(solo_enc) && enc_buf->motion) { 529 struct v4l2_event ev = { 530 .type = V4L2_EVENT_MOTION_DET, 531 .u.motion_det = { 532 .flags 533 = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, 534 .frame_sequence = vbuf->sequence, 535 .region_mask = enc_buf->motion ? 1 : 0, 536 }, 537 }; 538 539 v4l2_event_queue(solo_enc->vfd, &ev); 540 } 541 } 542 543 vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); 544 545 return ret; 546} 547 548static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, 549 struct solo_enc_buf *enc_buf) 550{ 551 struct solo_vb2_buf *vb; 552 unsigned long flags; 553 554 mutex_lock(&solo_enc->lock); 555 if (solo_enc->type != enc_buf->type) 556 goto unlock; 557 558 spin_lock_irqsave(&solo_enc->av_lock, flags); 559 if (list_empty(&solo_enc->vidq_active)) { 560 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 561 goto unlock; 562 } 563 vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, 564 list); 565 list_del(&vb->list); 566 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 567 568 solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf); 569unlock: 570 mutex_unlock(&solo_enc->lock); 571} 572 573void solo_enc_v4l2_isr(struct solo_dev *solo_dev) 574{ 575 wake_up_interruptible_all(&solo_dev->ring_thread_wait); 576} 577 578static void solo_handle_ring(struct solo_dev *solo_dev) 579{ 580 for (;;) { 581 struct solo_enc_dev *solo_enc; 582 struct solo_enc_buf enc_buf; 583 u32 mpeg_current, off; 584 u8 ch; 585 u8 cur_q; 586 587 /* Check if the hardware has any new ones in the queue */ 588 cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; 589 if (cur_q == solo_dev->enc_idx) 590 break; 591 592 mpeg_current = solo_reg_read(solo_dev, 593 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); 594 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; 595 596 ch = (mpeg_current >> 24) & 0x1f; 597 off = mpeg_current & 0x00ffffff; 598 599 if (ch >= SOLO_MAX_CHANNELS) { 600 ch -= SOLO_MAX_CHANNELS; 601 enc_buf.type = SOLO_ENC_TYPE_EXT; 602 } else 603 enc_buf.type = SOLO_ENC_TYPE_STD; 604 605 solo_enc = solo_dev->v4l2_enc[ch]; 606 if (solo_enc == NULL) { 607 dev_err(&solo_dev->pdev->dev, 608 "Got spurious packet for channel %d\n", ch); 609 continue; 610 } 611 612 /* FAIL... */ 613 if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, 614 sizeof(vop_header))) 615 continue; 616 617 enc_buf.vh = solo_dev->vh_buf; 618 619 /* Sanity check */ 620 if (vop_mpeg_offset(enc_buf.vh) != 621 SOLO_MP4E_EXT_ADDR(solo_dev) + off) 622 continue; 623 624 if (solo_motion_detected(solo_enc)) 625 enc_buf.motion = 1; 626 else 627 enc_buf.motion = 0; 628 629 solo_enc_handle_one(solo_enc, &enc_buf); 630 } 631} 632 633static int solo_ring_thread(void *data) 634{ 635 struct solo_dev *solo_dev = data; 636 DECLARE_WAITQUEUE(wait, current); 637 638 set_freezable(); 639 add_wait_queue(&solo_dev->ring_thread_wait, &wait); 640 641 for (;;) { 642 long timeout = schedule_timeout_interruptible(HZ); 643 644 if (timeout == -ERESTARTSYS || kthread_should_stop()) 645 break; 646 solo_handle_ring(solo_dev); 647 try_to_freeze(); 648 } 649 650 remove_wait_queue(&solo_dev->ring_thread_wait, &wait); 651 652 return 0; 653} 654 655static int solo_enc_queue_setup(struct vb2_queue *q, 656 unsigned int *num_buffers, 657 unsigned int *num_planes, unsigned int sizes[], 658 struct device *alloc_devs[]) 659{ 660 sizes[0] = FRAME_BUF_SIZE; 661 *num_planes = 1; 662 663 if (*num_buffers < MIN_VID_BUFFERS) 664 *num_buffers = MIN_VID_BUFFERS; 665 666 return 0; 667} 668 669static void solo_enc_buf_queue(struct vb2_buffer *vb) 670{ 671 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 672 struct vb2_queue *vq = vb->vb2_queue; 673 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); 674 struct solo_vb2_buf *solo_vb = 675 container_of(vbuf, struct solo_vb2_buf, vb); 676 677 spin_lock(&solo_enc->av_lock); 678 list_add_tail(&solo_vb->list, &solo_enc->vidq_active); 679 spin_unlock(&solo_enc->av_lock); 680} 681 682static int solo_ring_start(struct solo_dev *solo_dev) 683{ 684 solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, 685 SOLO6X10_NAME "_ring"); 686 if (IS_ERR(solo_dev->ring_thread)) { 687 int err = PTR_ERR(solo_dev->ring_thread); 688 689 solo_dev->ring_thread = NULL; 690 return err; 691 } 692 693 solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); 694 695 return 0; 696} 697 698static void solo_ring_stop(struct solo_dev *solo_dev) 699{ 700 if (solo_dev->ring_thread) { 701 kthread_stop(solo_dev->ring_thread); 702 solo_dev->ring_thread = NULL; 703 } 704 705 solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); 706} 707 708static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) 709{ 710 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 711 712 return solo_enc_on(solo_enc); 713} 714 715static void solo_enc_stop_streaming(struct vb2_queue *q) 716{ 717 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); 718 unsigned long flags; 719 720 spin_lock_irqsave(&solo_enc->av_lock, flags); 721 solo_enc_off(solo_enc); 722 while (!list_empty(&solo_enc->vidq_active)) { 723 struct solo_vb2_buf *buf = list_entry( 724 solo_enc->vidq_active.next, 725 struct solo_vb2_buf, list); 726 727 list_del(&buf->list); 728 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 729 } 730 spin_unlock_irqrestore(&solo_enc->av_lock, flags); 731} 732 733static void solo_enc_buf_finish(struct vb2_buffer *vb) 734{ 735 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 736 struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); 737 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 738 739 switch (solo_enc->fmt) { 740 case V4L2_PIX_FMT_MPEG4: 741 case V4L2_PIX_FMT_H264: 742 if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME) 743 sg_copy_from_buffer(sgt->sgl, sgt->nents, 744 solo_enc->vop, solo_enc->vop_len); 745 break; 746 default: /* V4L2_PIX_FMT_MJPEG */ 747 sg_copy_from_buffer(sgt->sgl, sgt->nents, 748 solo_enc->jpeg_header, solo_enc->jpeg_len); 749 break; 750 } 751} 752 753static const struct vb2_ops solo_enc_video_qops = { 754 .queue_setup = solo_enc_queue_setup, 755 .buf_queue = solo_enc_buf_queue, 756 .buf_finish = solo_enc_buf_finish, 757 .start_streaming = solo_enc_start_streaming, 758 .stop_streaming = solo_enc_stop_streaming, 759 .wait_prepare = vb2_ops_wait_prepare, 760 .wait_finish = vb2_ops_wait_finish, 761}; 762 763static int solo_enc_querycap(struct file *file, void *priv, 764 struct v4l2_capability *cap) 765{ 766 struct solo_enc_dev *solo_enc = video_drvdata(file); 767 768 strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver)); 769 snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", 770 solo_enc->ch); 771 return 0; 772} 773 774static int solo_enc_enum_input(struct file *file, void *priv, 775 struct v4l2_input *input) 776{ 777 struct solo_enc_dev *solo_enc = video_drvdata(file); 778 struct solo_dev *solo_dev = solo_enc->solo_dev; 779 780 if (input->index) 781 return -EINVAL; 782 783 snprintf(input->name, sizeof(input->name), "Encoder %d", 784 solo_enc->ch + 1); 785 input->type = V4L2_INPUT_TYPE_CAMERA; 786 input->std = solo_enc->vfd->tvnorms; 787 788 if (!tw28_get_video_status(solo_dev, solo_enc->ch)) 789 input->status = V4L2_IN_ST_NO_SIGNAL; 790 791 return 0; 792} 793 794static int solo_enc_set_input(struct file *file, void *priv, 795 unsigned int index) 796{ 797 if (index) 798 return -EINVAL; 799 800 return 0; 801} 802 803static int solo_enc_get_input(struct file *file, void *priv, 804 unsigned int *index) 805{ 806 *index = 0; 807 808 return 0; 809} 810 811static int solo_enc_enum_fmt_cap(struct file *file, void *priv, 812 struct v4l2_fmtdesc *f) 813{ 814 struct solo_enc_dev *solo_enc = video_drvdata(file); 815 int dev_type = solo_enc->solo_dev->type; 816 817 switch (f->index) { 818 case 0: 819 switch (dev_type) { 820 case SOLO_DEV_6010: 821 f->pixelformat = V4L2_PIX_FMT_MPEG4; 822 break; 823 case SOLO_DEV_6110: 824 f->pixelformat = V4L2_PIX_FMT_H264; 825 break; 826 } 827 break; 828 case 1: 829 f->pixelformat = V4L2_PIX_FMT_MJPEG; 830 break; 831 default: 832 return -EINVAL; 833 } 834 return 0; 835} 836 837static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) 838{ 839 return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) 840 || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) 841 || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; 842} 843 844static int solo_enc_try_fmt_cap(struct file *file, void *priv, 845 struct v4l2_format *f) 846{ 847 struct solo_enc_dev *solo_enc = video_drvdata(file); 848 struct solo_dev *solo_dev = solo_enc->solo_dev; 849 struct v4l2_pix_format *pix = &f->fmt.pix; 850 851 if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) 852 return -EINVAL; 853 854 if (pix->width < solo_dev->video_hsize || 855 pix->height < solo_dev->video_vsize << 1) { 856 /* Default to CIF 1/2 size */ 857 pix->width = solo_dev->video_hsize >> 1; 858 pix->height = solo_dev->video_vsize; 859 } else { 860 /* Full frame */ 861 pix->width = solo_dev->video_hsize; 862 pix->height = solo_dev->video_vsize << 1; 863 } 864 865 switch (pix->field) { 866 case V4L2_FIELD_NONE: 867 case V4L2_FIELD_INTERLACED: 868 break; 869 case V4L2_FIELD_ANY: 870 default: 871 pix->field = V4L2_FIELD_INTERLACED; 872 break; 873 } 874 875 /* Just set these */ 876 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 877 pix->sizeimage = FRAME_BUF_SIZE; 878 pix->bytesperline = 0; 879 880 return 0; 881} 882 883static int solo_enc_set_fmt_cap(struct file *file, void *priv, 884 struct v4l2_format *f) 885{ 886 struct solo_enc_dev *solo_enc = video_drvdata(file); 887 struct solo_dev *solo_dev = solo_enc->solo_dev; 888 struct v4l2_pix_format *pix = &f->fmt.pix; 889 int ret; 890 891 if (vb2_is_busy(&solo_enc->vidq)) 892 return -EBUSY; 893 894 ret = solo_enc_try_fmt_cap(file, priv, f); 895 if (ret) 896 return ret; 897 898 if (pix->width == solo_dev->video_hsize) 899 solo_enc->mode = SOLO_ENC_MODE_D1; 900 else 901 solo_enc->mode = SOLO_ENC_MODE_CIF; 902 903 /* This does not change the encoder at all */ 904 solo_enc->fmt = pix->pixelformat; 905 906 /* 907 * More information is needed about these 'extended' types. As far 908 * as I can tell these are basically additional video streams with 909 * different MPEG encoding attributes that can run in parallel with 910 * the main stream. If so, then this should be implemented as a 911 * second video node. Abusing priv like this is certainly not the 912 * right approach. 913 if (pix->priv) 914 solo_enc->type = SOLO_ENC_TYPE_EXT; 915 */ 916 solo_update_mode(solo_enc); 917 return 0; 918} 919 920static int solo_enc_get_fmt_cap(struct file *file, void *priv, 921 struct v4l2_format *f) 922{ 923 struct solo_enc_dev *solo_enc = video_drvdata(file); 924 struct v4l2_pix_format *pix = &f->fmt.pix; 925 926 pix->width = solo_enc->width; 927 pix->height = solo_enc->height; 928 pix->pixelformat = solo_enc->fmt; 929 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : 930 V4L2_FIELD_NONE; 931 pix->sizeimage = FRAME_BUF_SIZE; 932 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 933 934 return 0; 935} 936 937static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) 938{ 939 struct solo_enc_dev *solo_enc = video_drvdata(file); 940 struct solo_dev *solo_dev = solo_enc->solo_dev; 941 942 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) 943 *i = V4L2_STD_NTSC_M; 944 else 945 *i = V4L2_STD_PAL; 946 return 0; 947} 948 949static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) 950{ 951 struct solo_enc_dev *solo_enc = video_drvdata(file); 952 953 return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); 954} 955 956static int solo_enum_framesizes(struct file *file, void *priv, 957 struct v4l2_frmsizeenum *fsize) 958{ 959 struct solo_enc_dev *solo_enc = video_drvdata(file); 960 struct solo_dev *solo_dev = solo_enc->solo_dev; 961 962 if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) 963 return -EINVAL; 964 965 switch (fsize->index) { 966 case 0: 967 fsize->discrete.width = solo_dev->video_hsize >> 1; 968 fsize->discrete.height = solo_dev->video_vsize; 969 break; 970 case 1: 971 fsize->discrete.width = solo_dev->video_hsize; 972 fsize->discrete.height = solo_dev->video_vsize << 1; 973 break; 974 default: 975 return -EINVAL; 976 } 977 978 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; 979 980 return 0; 981} 982 983static int solo_enum_frameintervals(struct file *file, void *priv, 984 struct v4l2_frmivalenum *fintv) 985{ 986 struct solo_enc_dev *solo_enc = video_drvdata(file); 987 struct solo_dev *solo_dev = solo_enc->solo_dev; 988 989 if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) 990 return -EINVAL; 991 if (fintv->index) 992 return -EINVAL; 993 if ((fintv->width != solo_dev->video_hsize >> 1 || 994 fintv->height != solo_dev->video_vsize) && 995 (fintv->width != solo_dev->video_hsize || 996 fintv->height != solo_dev->video_vsize << 1)) 997 return -EINVAL; 998 999 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; 1000 1001 fintv->stepwise.min.numerator = 1; 1002 fintv->stepwise.min.denominator = solo_dev->fps; 1003 1004 fintv->stepwise.max.numerator = 15; 1005 fintv->stepwise.max.denominator = solo_dev->fps; 1006 1007 fintv->stepwise.step.numerator = 1; 1008 fintv->stepwise.step.denominator = solo_dev->fps; 1009 1010 return 0; 1011} 1012 1013static int solo_g_parm(struct file *file, void *priv, 1014 struct v4l2_streamparm *sp) 1015{ 1016 struct solo_enc_dev *solo_enc = video_drvdata(file); 1017 struct v4l2_captureparm *cp = &sp->parm.capture; 1018 1019 cp->capability = V4L2_CAP_TIMEPERFRAME; 1020 cp->timeperframe.numerator = solo_enc->interval; 1021 cp->timeperframe.denominator = solo_enc->solo_dev->fps; 1022 cp->capturemode = 0; 1023 /* XXX: Shouldn't we be able to get/set this from vb2? */ 1024 cp->readbuffers = 2; 1025 1026 return 0; 1027} 1028 1029static inline int calc_interval(u8 fps, u32 n, u32 d) 1030{ 1031 if (!n || !d) 1032 return 1; 1033 if (d == fps) 1034 return n; 1035 n *= fps; 1036 return min(15U, n / d + (n % d >= (fps >> 1))); 1037} 1038 1039static int solo_s_parm(struct file *file, void *priv, 1040 struct v4l2_streamparm *sp) 1041{ 1042 struct solo_enc_dev *solo_enc = video_drvdata(file); 1043 struct v4l2_fract *t = &sp->parm.capture.timeperframe; 1044 u8 fps = solo_enc->solo_dev->fps; 1045 1046 if (vb2_is_streaming(&solo_enc->vidq)) 1047 return -EBUSY; 1048 1049 solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); 1050 solo_update_mode(solo_enc); 1051 return solo_g_parm(file, priv, sp); 1052} 1053 1054static int solo_s_ctrl(struct v4l2_ctrl *ctrl) 1055{ 1056 struct solo_enc_dev *solo_enc = 1057 container_of(ctrl->handler, struct solo_enc_dev, hdl); 1058 struct solo_dev *solo_dev = solo_enc->solo_dev; 1059 int err; 1060 1061 switch (ctrl->id) { 1062 case V4L2_CID_BRIGHTNESS: 1063 case V4L2_CID_CONTRAST: 1064 case V4L2_CID_SATURATION: 1065 case V4L2_CID_HUE: 1066 case V4L2_CID_SHARPNESS: 1067 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, 1068 ctrl->val); 1069 case V4L2_CID_MPEG_VIDEO_GOP_SIZE: 1070 solo_enc->gop = ctrl->val; 1071 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); 1072 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); 1073 return 0; 1074 case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: 1075 solo_enc->qp = ctrl->val; 1076 solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); 1077 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); 1078 return 0; 1079 case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: 1080 solo_enc->motion_thresh = ctrl->val << 8; 1081 if (!solo_enc->motion_global || !solo_enc->motion_enabled) 1082 return 0; 1083 return solo_set_motion_threshold(solo_dev, solo_enc->ch, 1084 solo_enc->motion_thresh); 1085 case V4L2_CID_DETECT_MD_MODE: 1086 solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; 1087 solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; 1088 if (ctrl->val) { 1089 if (solo_enc->motion_global) 1090 err = solo_set_motion_threshold(solo_dev, solo_enc->ch, 1091 solo_enc->motion_thresh); 1092 else 1093 err = solo_set_motion_block(solo_dev, solo_enc->ch, 1094 solo_enc->md_thresholds->p_cur.p_u16); 1095 if (err) 1096 return err; 1097 } 1098 solo_motion_toggle(solo_enc, ctrl->val); 1099 return 0; 1100 case V4L2_CID_DETECT_MD_THRESHOLD_GRID: 1101 if (solo_enc->motion_enabled && !solo_enc->motion_global) 1102 return solo_set_motion_block(solo_dev, solo_enc->ch, 1103 solo_enc->md_thresholds->p_new.p_u16); 1104 break; 1105 case V4L2_CID_OSD_TEXT: 1106 strscpy(solo_enc->osd_text, ctrl->p_new.p_char, 1107 sizeof(solo_enc->osd_text)); 1108 return solo_osd_print(solo_enc); 1109 default: 1110 return -EINVAL; 1111 } 1112 1113 return 0; 1114} 1115 1116static int solo_subscribe_event(struct v4l2_fh *fh, 1117 const struct v4l2_event_subscription *sub) 1118{ 1119 1120 switch (sub->type) { 1121 case V4L2_EVENT_MOTION_DET: 1122 /* Allow for up to 30 events (1 second for NTSC) to be 1123 * stored. */ 1124 return v4l2_event_subscribe(fh, sub, 30, NULL); 1125 default: 1126 return v4l2_ctrl_subscribe_event(fh, sub); 1127 } 1128} 1129 1130static const struct v4l2_file_operations solo_enc_fops = { 1131 .owner = THIS_MODULE, 1132 .open = v4l2_fh_open, 1133 .release = vb2_fop_release, 1134 .read = vb2_fop_read, 1135 .poll = vb2_fop_poll, 1136 .mmap = vb2_fop_mmap, 1137 .unlocked_ioctl = video_ioctl2, 1138}; 1139 1140static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { 1141 .vidioc_querycap = solo_enc_querycap, 1142 .vidioc_s_std = solo_enc_s_std, 1143 .vidioc_g_std = solo_enc_g_std, 1144 /* Input callbacks */ 1145 .vidioc_enum_input = solo_enc_enum_input, 1146 .vidioc_s_input = solo_enc_set_input, 1147 .vidioc_g_input = solo_enc_get_input, 1148 /* Video capture format callbacks */ 1149 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, 1150 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, 1151 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, 1152 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, 1153 /* Streaming I/O */ 1154 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1155 .vidioc_querybuf = vb2_ioctl_querybuf, 1156 .vidioc_qbuf = vb2_ioctl_qbuf, 1157 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1158 .vidioc_streamon = vb2_ioctl_streamon, 1159 .vidioc_streamoff = vb2_ioctl_streamoff, 1160 /* Frame size and interval */ 1161 .vidioc_enum_framesizes = solo_enum_framesizes, 1162 .vidioc_enum_frameintervals = solo_enum_frameintervals, 1163 /* Video capture parameters */ 1164 .vidioc_s_parm = solo_s_parm, 1165 .vidioc_g_parm = solo_g_parm, 1166 /* Logging and events */ 1167 .vidioc_log_status = v4l2_ctrl_log_status, 1168 .vidioc_subscribe_event = solo_subscribe_event, 1169 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1170}; 1171 1172static const struct video_device solo_enc_template = { 1173 .name = SOLO6X10_NAME, 1174 .fops = &solo_enc_fops, 1175 .ioctl_ops = &solo_enc_ioctl_ops, 1176 .minor = -1, 1177 .release = video_device_release, 1178 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, 1179 .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | 1180 V4L2_CAP_STREAMING, 1181}; 1182 1183static const struct v4l2_ctrl_ops solo_ctrl_ops = { 1184 .s_ctrl = solo_s_ctrl, 1185}; 1186 1187static const struct v4l2_ctrl_config solo_osd_text_ctrl = { 1188 .ops = &solo_ctrl_ops, 1189 .id = V4L2_CID_OSD_TEXT, 1190 .name = "OSD Text", 1191 .type = V4L2_CTRL_TYPE_STRING, 1192 .max = OSD_TEXT_MAX, 1193 .step = 1, 1194}; 1195 1196/* Motion Detection Threshold matrix */ 1197static const struct v4l2_ctrl_config solo_md_thresholds = { 1198 .ops = &solo_ctrl_ops, 1199 .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, 1200 .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, 1201 .def = SOLO_DEF_MOT_THRESH, 1202 .max = 65535, 1203 .step = 1, 1204}; 1205 1206static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, 1207 u8 ch, unsigned nr) 1208{ 1209 struct solo_enc_dev *solo_enc; 1210 struct v4l2_ctrl_handler *hdl; 1211 int ret; 1212 1213 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); 1214 if (!solo_enc) 1215 return ERR_PTR(-ENOMEM); 1216 1217 hdl = &solo_enc->hdl; 1218 v4l2_ctrl_handler_init(hdl, 10); 1219 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1220 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1221 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1222 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1223 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1224 V4L2_CID_SATURATION, 0, 255, 1, 128); 1225 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1226 V4L2_CID_HUE, 0, 255, 1, 128); 1227 if (tw28_has_sharpness(solo_dev, ch)) 1228 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1229 V4L2_CID_SHARPNESS, 0, 15, 1, 0); 1230 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1231 V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); 1232 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1233 V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); 1234 v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, 1235 V4L2_CID_DETECT_MD_MODE, 1236 V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, 1237 V4L2_DETECT_MD_MODE_DISABLED); 1238 v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, 1239 V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, 1240 SOLO_DEF_MOT_THRESH >> 8); 1241 v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); 1242 solo_enc->md_thresholds = 1243 v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); 1244 if (hdl->error) { 1245 ret = hdl->error; 1246 goto hdl_free; 1247 } 1248 1249 solo_enc->solo_dev = solo_dev; 1250 solo_enc->ch = ch; 1251 mutex_init(&solo_enc->lock); 1252 spin_lock_init(&solo_enc->av_lock); 1253 INIT_LIST_HEAD(&solo_enc->vidq_active); 1254 solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? 1255 V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; 1256 solo_enc->type = SOLO_ENC_TYPE_STD; 1257 1258 solo_enc->qp = SOLO_DEFAULT_QP; 1259 solo_enc->gop = solo_dev->fps; 1260 solo_enc->interval = 1; 1261 solo_enc->mode = SOLO_ENC_MODE_CIF; 1262 solo_enc->motion_global = true; 1263 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; 1264 solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1265 solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; 1266 solo_enc->vidq.ops = &solo_enc_video_qops; 1267 solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; 1268 solo_enc->vidq.drv_priv = solo_enc; 1269 solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM; 1270 solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1271 solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); 1272 solo_enc->vidq.lock = &solo_enc->lock; 1273 solo_enc->vidq.dev = &solo_dev->pdev->dev; 1274 ret = vb2_queue_init(&solo_enc->vidq); 1275 if (ret) 1276 goto hdl_free; 1277 solo_update_mode(solo_enc); 1278 1279 spin_lock_init(&solo_enc->motion_lock); 1280 1281 /* Initialize this per encoder */ 1282 solo_enc->jpeg_len = sizeof(jpeg_header); 1283 memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); 1284 1285 solo_enc->desc_nelts = 32; 1286 solo_enc->desc_items = dma_alloc_coherent(&solo_dev->pdev->dev, 1287 sizeof(struct solo_p2m_desc) * 1288 solo_enc->desc_nelts, 1289 &solo_enc->desc_dma, 1290 GFP_KERNEL); 1291 ret = -ENOMEM; 1292 if (solo_enc->desc_items == NULL) 1293 goto hdl_free; 1294 1295 solo_enc->vfd = video_device_alloc(); 1296 if (!solo_enc->vfd) 1297 goto pci_free; 1298 1299 *solo_enc->vfd = solo_enc_template; 1300 solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; 1301 solo_enc->vfd->ctrl_handler = hdl; 1302 solo_enc->vfd->queue = &solo_enc->vidq; 1303 solo_enc->vfd->lock = &solo_enc->lock; 1304 video_set_drvdata(solo_enc->vfd, solo_enc); 1305 ret = video_register_device(solo_enc->vfd, VFL_TYPE_VIDEO, nr); 1306 if (ret < 0) 1307 goto vdev_release; 1308 1309 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), 1310 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, 1311 solo_enc->vfd->num); 1312 1313 return solo_enc; 1314 1315vdev_release: 1316 video_device_release(solo_enc->vfd); 1317pci_free: 1318 dma_free_coherent(&solo_enc->solo_dev->pdev->dev, 1319 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1320 solo_enc->desc_items, solo_enc->desc_dma); 1321hdl_free: 1322 v4l2_ctrl_handler_free(hdl); 1323 kfree(solo_enc); 1324 return ERR_PTR(ret); 1325} 1326 1327static void solo_enc_free(struct solo_enc_dev *solo_enc) 1328{ 1329 if (solo_enc == NULL) 1330 return; 1331 1332 dma_free_coherent(&solo_enc->solo_dev->pdev->dev, 1333 sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, 1334 solo_enc->desc_items, solo_enc->desc_dma); 1335 video_unregister_device(solo_enc->vfd); 1336 v4l2_ctrl_handler_free(&solo_enc->hdl); 1337 kfree(solo_enc); 1338} 1339 1340int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) 1341{ 1342 int i; 1343 1344 init_waitqueue_head(&solo_dev->ring_thread_wait); 1345 1346 solo_dev->vh_size = sizeof(vop_header); 1347 solo_dev->vh_buf = dma_alloc_coherent(&solo_dev->pdev->dev, 1348 solo_dev->vh_size, 1349 &solo_dev->vh_dma, GFP_KERNEL); 1350 if (solo_dev->vh_buf == NULL) 1351 return -ENOMEM; 1352 1353 for (i = 0; i < solo_dev->nr_chans; i++) { 1354 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); 1355 if (IS_ERR(solo_dev->v4l2_enc[i])) 1356 break; 1357 } 1358 1359 if (i != solo_dev->nr_chans) { 1360 int ret = PTR_ERR(solo_dev->v4l2_enc[i]); 1361 1362 while (i--) 1363 solo_enc_free(solo_dev->v4l2_enc[i]); 1364 dma_free_coherent(&solo_dev->pdev->dev, solo_dev->vh_size, 1365 solo_dev->vh_buf, solo_dev->vh_dma); 1366 solo_dev->vh_buf = NULL; 1367 return ret; 1368 } 1369 1370 if (solo_dev->type == SOLO_DEV_6010) 1371 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; 1372 else 1373 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; 1374 1375 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", 1376 solo_dev->v4l2_enc[0]->vfd->num, 1377 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); 1378 1379 return solo_ring_start(solo_dev); 1380} 1381 1382void solo_enc_v4l2_exit(struct solo_dev *solo_dev) 1383{ 1384 int i; 1385 1386 solo_ring_stop(solo_dev); 1387 1388 for (i = 0; i < solo_dev->nr_chans; i++) 1389 solo_enc_free(solo_dev->v4l2_enc[i]); 1390 1391 if (solo_dev->vh_buf) 1392 dma_free_coherent(&solo_dev->pdev->dev, solo_dev->vh_size, 1393 solo_dev->vh_buf, solo_dev->vh_dma); 1394} 1395