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1// SPDX-License-Identifier: GPL-2.0-or-later2/*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 227#define FRAME_BUF_SIZE (400 * 1024)28#define MP4_QS 1629#define DMA_ALIGN 409630 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 else128 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) | 0x0c203 | ((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 else248 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 for307 * 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 avoid350 timeout errors triggered by awkwardly sized351 descriptors. See352 <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 .flags533 = 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 } else603 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 else627 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 else901 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 far908 * as I can tell these are basically additional video streams with909 * different MPEG encoding attributes that can run in parallel with910 * the main stream. If so, then this should be implemented as a911 * second video node. Abusing priv like this is certainly not the912 * 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 else945 *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 else1093 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 be1123 * 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 else1373 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