Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Hans Verkuil | 3463 | 47.21% | 31 | 46.97% |
Benjamin Collins | 2623 | 35.76% | 3 | 4.55% |
Krzysztof Hałasa | 730 | 9.95% | 7 | 10.61% |
Ismael Luceno | 221 | 3.01% | 3 | 4.55% |
Andrey Utkin | 139 | 1.90% | 6 | 9.09% |
Junghak Sung | 75 | 1.02% | 2 | 3.03% |
Christophe Jaillet | 28 | 0.38% | 1 | 1.52% |
Mauro Carvalho Chehab | 15 | 0.20% | 2 | 3.03% |
Andreea-Cristina Bernat | 8 | 0.11% | 1 | 1.52% |
facugaich | 8 | 0.11% | 1 | 1.52% |
Dan Carpenter | 7 | 0.10% | 1 | 1.52% |
Ricardo Ribalda Delgado | 5 | 0.07% | 1 | 1.52% |
Steven Toth | 5 | 0.07% | 1 | 1.52% |
Mel Gorman | 2 | 0.03% | 1 | 1.52% |
Gustavo Padovan | 2 | 0.03% | 1 | 1.52% |
Alexander A. Klimov | 1 | 0.01% | 1 | 1.52% |
Thomas Gleixner | 1 | 0.01% | 1 | 1.52% |
Julia Lawall | 1 | 0.01% | 1 | 1.52% |
Sakari Ailus | 1 | 0.01% | 1 | 1.52% |
Total | 7335 | 66 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2010-2013 Bluecherry, LLC <https://www.bluecherrydvr.com> * * Original author: * Ben Collins <bcollins@ubuntu.com> * * Additional work by: * John Brooks <john.brooks@bluecherry.net> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/kthread.h> #include <linux/freezer.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-common.h> #include <media/v4l2-event.h> #include <media/videobuf2-dma-sg.h> #include "solo6x10.h" #include "solo6x10-tw28.h" #include "solo6x10-jpeg.h" #define MIN_VID_BUFFERS 2 #define FRAME_BUF_SIZE (400 * 1024) #define MP4_QS 16 #define DMA_ALIGN 4096 /* 6010 M4V */ static u8 vop_6010_ntsc_d1[] = { 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f, }; static u8 vop_6010_ntsc_cif[] = { 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f, }; static u8 vop_6010_pal_d1[] = { 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f, }; static u8 vop_6010_pal_cif[] = { 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, 0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, 0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f, }; /* 6110 h.264 */ static u8 vop_6110_ntsc_d1[] = { 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, }; static u8 vop_6110_ntsc_cif[] = { 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, }; static u8 vop_6110_pal_d1[] = { 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, }; static u8 vop_6110_pal_cif[] = { 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e, 0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00, }; typedef __le32 vop_header[16]; struct solo_enc_buf { enum solo_enc_types type; const vop_header *vh; int motion; }; static int solo_is_motion_on(struct solo_enc_dev *solo_enc) { struct solo_dev *solo_dev = solo_enc->solo_dev; return (solo_dev->motion_mask >> solo_enc->ch) & 1; } static int solo_motion_detected(struct solo_enc_dev *solo_enc) { struct solo_dev *solo_dev = solo_enc->solo_dev; unsigned long flags; u32 ch_mask = 1 << solo_enc->ch; int ret = 0; spin_lock_irqsave(&solo_enc->motion_lock, flags); if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) { solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask); ret = 1; } spin_unlock_irqrestore(&solo_enc->motion_lock, flags); return ret; } static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on) { struct solo_dev *solo_dev = solo_enc->solo_dev; u32 mask = 1 << solo_enc->ch; unsigned long flags; spin_lock_irqsave(&solo_enc->motion_lock, flags); if (on) solo_dev->motion_mask |= mask; else solo_dev->motion_mask &= ~mask; solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask); solo_reg_write(solo_dev, SOLO_VI_MOT_ADR, SOLO_VI_MOTION_EN(solo_dev->motion_mask) | (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16)); spin_unlock_irqrestore(&solo_enc->motion_lock, flags); } void solo_update_mode(struct solo_enc_dev *solo_enc) { struct solo_dev *solo_dev = solo_enc->solo_dev; int vop_len; u8 *vop; solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0; solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1); if (solo_enc->mode == SOLO_ENC_MODE_CIF) { solo_enc->width = solo_dev->video_hsize >> 1; solo_enc->height = solo_dev->video_vsize; if (solo_dev->type == SOLO_DEV_6110) { if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { vop = vop_6110_ntsc_cif; vop_len = sizeof(vop_6110_ntsc_cif); } else { vop = vop_6110_pal_cif; vop_len = sizeof(vop_6110_pal_cif); } } else { if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { vop = vop_6010_ntsc_cif; vop_len = sizeof(vop_6010_ntsc_cif); } else { vop = vop_6010_pal_cif; vop_len = sizeof(vop_6010_pal_cif); } } } else { solo_enc->width = solo_dev->video_hsize; solo_enc->height = solo_dev->video_vsize << 1; solo_enc->bw_weight <<= 2; if (solo_dev->type == SOLO_DEV_6110) { if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { vop = vop_6110_ntsc_d1; vop_len = sizeof(vop_6110_ntsc_d1); } else { vop = vop_6110_pal_d1; vop_len = sizeof(vop_6110_pal_d1); } } else { if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) { vop = vop_6010_ntsc_d1; vop_len = sizeof(vop_6010_ntsc_d1); } else { vop = vop_6010_pal_d1; vop_len = sizeof(vop_6010_pal_d1); } } } memcpy(solo_enc->vop, vop, vop_len); /* Some fixups for 6010/M4V */ if (solo_dev->type == SOLO_DEV_6010) { u16 fps = solo_dev->fps * 1000; u16 interval = solo_enc->interval * 1000; vop = solo_enc->vop; /* Frame rate and interval */ vop[22] = fps >> 4; vop[23] = ((fps << 4) & 0xf0) | 0x0c | ((interval >> 13) & 0x3); vop[24] = (interval >> 5) & 0xff; vop[25] = ((interval << 3) & 0xf8) | 0x04; } solo_enc->vop_len = vop_len; /* Now handle the jpeg header */ vop = solo_enc->jpeg_header; vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8); vop[SOF0_START + 6] = 0xff & solo_enc->height; vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8); vop[SOF0_START + 8] = 0xff & solo_enc->width; memcpy(vop + DQT_START, jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN); } static int solo_enc_on(struct solo_enc_dev *solo_enc) { u8 ch = solo_enc->ch; struct solo_dev *solo_dev = solo_enc->solo_dev; u8 interval; solo_update_mode(solo_enc); /* Make sure to do a bandwidth check */ if (solo_enc->bw_weight > solo_dev->enc_bw_remain) return -EBUSY; solo_enc->sequence = 0; solo_dev->enc_bw_remain -= solo_enc->bw_weight; if (solo_enc->type == SOLO_ENC_TYPE_EXT) solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1); /* Disable all encoding for this channel */ solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0); /* Common for both std and ext encoding */ solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch), solo_enc->interlaced ? 1 : 0); if (solo_enc->interlaced) interval = solo_enc->interval - 1; else interval = solo_enc->interval; /* Standard encoding only */ solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop); solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp); solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval); /* Extended encoding only */ solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop); solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp); solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval); /* Enables the standard encoder */ solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode); return 0; } static void solo_enc_off(struct solo_enc_dev *solo_enc) { struct solo_dev *solo_dev = solo_enc->solo_dev; solo_dev->enc_bw_remain += solo_enc->bw_weight; solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0); solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0); } static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma, unsigned int off, unsigned int size) { int ret; if (off > SOLO_MP4E_EXT_SIZE(solo_dev)) return -EINVAL; /* Single shot */ if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) { return solo_p2m_dma_t(solo_dev, 0, dma, SOLO_MP4E_EXT_ADDR(solo_dev) + off, size, 0, 0); } /* Buffer wrap */ ret = solo_p2m_dma_t(solo_dev, 0, dma, SOLO_MP4E_EXT_ADDR(solo_dev) + off, SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0); if (!ret) { ret = solo_p2m_dma_t(solo_dev, 0, dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off, SOLO_MP4E_EXT_ADDR(solo_dev), size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0); } return ret; } /* Build a descriptor queue out of an SG list and send it to the P2M for * processing. */ static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip, struct sg_table *vbuf, int off, int size, unsigned int base, unsigned int base_size) { struct solo_dev *solo_dev = solo_enc->solo_dev; struct scatterlist *sg; int i; int ret; if (WARN_ON_ONCE(size > FRAME_BUF_SIZE)) return -EINVAL; solo_enc->desc_count = 1; for_each_sg(vbuf->sgl, sg, vbuf->nents, i) { struct solo_p2m_desc *desc; dma_addr_t dma; int len; int left = base_size - off; desc = &solo_enc->desc_items[solo_enc->desc_count++]; dma = sg_dma_address(sg); len = sg_dma_len(sg); /* We assume this is smaller than the scatter size */ BUG_ON(skip >= len); if (skip) { len -= skip; dma += skip; size -= skip; skip = 0; } len = min(len, size); if (len <= left) { /* Single descriptor */ solo_p2m_fill_desc(desc, 0, dma, base + off, len, 0, 0); } else { /* Buffer wrap */ /* XXX: Do these as separate DMA requests, to avoid timeout errors triggered by awkwardly sized descriptors. See <https://github.com/bluecherrydvr/solo6x10/issues/8> */ ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off, left, 0, 0); if (ret) return ret; ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base, len - left, 0, 0); if (ret) return ret; solo_enc->desc_count--; } size -= len; if (size <= 0) break; off += len; if (off >= base_size) off -= base_size; /* Because we may use two descriptors per loop */ if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) { ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, solo_enc->desc_dma, solo_enc->desc_count - 1); if (ret) return ret; solo_enc->desc_count = 1; } } if (solo_enc->desc_count <= 1) return 0; return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items, solo_enc->desc_dma, solo_enc->desc_count - 1); } /* Extract values from VOP header - VE_STATUSxx */ static inline __always_unused int vop_interlaced(const vop_header *vh) { return (__le32_to_cpu((*vh)[0]) >> 30) & 1; } static inline __always_unused u8 vop_channel(const vop_header *vh) { return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; } static inline u8 vop_type(const vop_header *vh) { return (__le32_to_cpu((*vh)[0]) >> 22) & 3; } static inline u32 vop_mpeg_size(const vop_header *vh) { return __le32_to_cpu((*vh)[0]) & 0xFFFFF; } static inline u8 __always_unused vop_hsize(const vop_header *vh) { return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; } static inline u8 __always_unused vop_vsize(const vop_header *vh) { return __le32_to_cpu((*vh)[1]) & 0xFF; } static inline u32 vop_mpeg_offset(const vop_header *vh) { return __le32_to_cpu((*vh)[2]); } static inline u32 vop_jpeg_offset(const vop_header *vh) { return __le32_to_cpu((*vh)[3]); } static inline u32 vop_jpeg_size(const vop_header *vh) { return __le32_to_cpu((*vh)[4]) & 0xFFFFF; } static inline u32 __always_unused vop_sec(const vop_header *vh) { return __le32_to_cpu((*vh)[5]); } static inline __always_unused u32 vop_usec(const vop_header *vh) { return __le32_to_cpu((*vh)[6]); } static int solo_fill_jpeg(struct solo_enc_dev *solo_enc, struct vb2_buffer *vb, const vop_header *vh) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct solo_dev *solo_dev = solo_enc->solo_dev; struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); int frame_size; vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len) return -EIO; frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN); vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len); return solo_send_desc(solo_enc, solo_enc->jpeg_len, sgt, vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), SOLO_JPEG_EXT_SIZE(solo_dev)); } static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, struct vb2_buffer *vb, const vop_header *vh) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct solo_dev *solo_dev = solo_enc->solo_dev; struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); int frame_off, frame_size; int skip = 0; if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh)) return -EIO; /* If this is a key frame, add extra header */ vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME | V4L2_BUF_FLAG_BFRAME); if (!vop_type(vh)) { skip = solo_enc->vop_len; vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + solo_enc->vop_len); } else { vbuf->flags |= V4L2_BUF_FLAG_PFRAME; vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh)); } /* Now get the actual mpeg payload */ frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) + sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev); frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN); return solo_send_desc(solo_enc, skip, sgt, frame_off, frame_size, SOLO_MP4E_EXT_ADDR(solo_dev), SOLO_MP4E_EXT_SIZE(solo_dev)); } static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc, struct vb2_buffer *vb, struct solo_enc_buf *enc_buf) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); const vop_header *vh = enc_buf->vh; int ret; switch (solo_enc->fmt) { case V4L2_PIX_FMT_MPEG4: case V4L2_PIX_FMT_H264: ret = solo_fill_mpeg(solo_enc, vb, vh); break; default: /* V4L2_PIX_FMT_MJPEG */ ret = solo_fill_jpeg(solo_enc, vb, vh); break; } if (!ret) { vbuf->sequence = solo_enc->sequence++; vb->timestamp = ktime_get_ns(); /* Check for motion flags */ if (solo_is_motion_on(solo_enc) && enc_buf->motion) { struct v4l2_event ev = { .type = V4L2_EVENT_MOTION_DET, .u.motion_det = { .flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, .frame_sequence = vbuf->sequence, .region_mask = enc_buf->motion ? 1 : 0, }, }; v4l2_event_queue(solo_enc->vfd, &ev); } } vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); return ret; } static void solo_enc_handle_one(struct solo_enc_dev *solo_enc, struct solo_enc_buf *enc_buf) { struct solo_vb2_buf *vb; unsigned long flags; mutex_lock(&solo_enc->lock); if (solo_enc->type != enc_buf->type) goto unlock; spin_lock_irqsave(&solo_enc->av_lock, flags); if (list_empty(&solo_enc->vidq_active)) { spin_unlock_irqrestore(&solo_enc->av_lock, flags); goto unlock; } vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf, list); list_del(&vb->list); spin_unlock_irqrestore(&solo_enc->av_lock, flags); solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf); unlock: mutex_unlock(&solo_enc->lock); } void solo_enc_v4l2_isr(struct solo_dev *solo_dev) { wake_up_interruptible_all(&solo_dev->ring_thread_wait); } static void solo_handle_ring(struct solo_dev *solo_dev) { for (;;) { struct solo_enc_dev *solo_enc; struct solo_enc_buf enc_buf; u32 mpeg_current, off; u8 ch; u8 cur_q; /* Check if the hardware has any new ones in the queue */ cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff; if (cur_q == solo_dev->enc_idx) break; mpeg_current = solo_reg_read(solo_dev, SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; ch = (mpeg_current >> 24) & 0x1f; off = mpeg_current & 0x00ffffff; if (ch >= SOLO_MAX_CHANNELS) { ch -= SOLO_MAX_CHANNELS; enc_buf.type = SOLO_ENC_TYPE_EXT; } else enc_buf.type = SOLO_ENC_TYPE_STD; solo_enc = solo_dev->v4l2_enc[ch]; if (solo_enc == NULL) { dev_err(&solo_dev->pdev->dev, "Got spurious packet for channel %d\n", ch); continue; } /* FAIL... */ if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off, sizeof(vop_header))) continue; enc_buf.vh = solo_dev->vh_buf; /* Sanity check */ if (vop_mpeg_offset(enc_buf.vh) != SOLO_MP4E_EXT_ADDR(solo_dev) + off) continue; if (solo_motion_detected(solo_enc)) enc_buf.motion = 1; else enc_buf.motion = 0; solo_enc_handle_one(solo_enc, &enc_buf); } } static int solo_ring_thread(void *data) { struct solo_dev *solo_dev = data; DECLARE_WAITQUEUE(wait, current); set_freezable(); add_wait_queue(&solo_dev->ring_thread_wait, &wait); for (;;) { long timeout = schedule_timeout_interruptible(HZ); if (timeout == -ERESTARTSYS || kthread_should_stop()) break; solo_handle_ring(solo_dev); try_to_freeze(); } remove_wait_queue(&solo_dev->ring_thread_wait, &wait); return 0; } static int solo_enc_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { sizes[0] = FRAME_BUF_SIZE; *num_planes = 1; if (*num_buffers < MIN_VID_BUFFERS) *num_buffers = MIN_VID_BUFFERS; return 0; } static void solo_enc_buf_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct vb2_queue *vq = vb->vb2_queue; struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq); struct solo_vb2_buf *solo_vb = container_of(vbuf, struct solo_vb2_buf, vb); spin_lock(&solo_enc->av_lock); list_add_tail(&solo_vb->list, &solo_enc->vidq_active); spin_unlock(&solo_enc->av_lock); } static int solo_ring_start(struct solo_dev *solo_dev) { solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev, SOLO6X10_NAME "_ring"); if (IS_ERR(solo_dev->ring_thread)) { int err = PTR_ERR(solo_dev->ring_thread); solo_dev->ring_thread = NULL; return err; } solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); return 0; } static void solo_ring_stop(struct solo_dev *solo_dev) { if (solo_dev->ring_thread) { kthread_stop(solo_dev->ring_thread); solo_dev->ring_thread = NULL; } solo_irq_off(solo_dev, SOLO_IRQ_ENCODER); } static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) { struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); return solo_enc_on(solo_enc); } static void solo_enc_stop_streaming(struct vb2_queue *q) { struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); unsigned long flags; spin_lock_irqsave(&solo_enc->av_lock, flags); solo_enc_off(solo_enc); while (!list_empty(&solo_enc->vidq_active)) { struct solo_vb2_buf *buf = list_entry( solo_enc->vidq_active.next, struct solo_vb2_buf, list); list_del(&buf->list); vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&solo_enc->av_lock, flags); } static void solo_enc_buf_finish(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue); struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); switch (solo_enc->fmt) { case V4L2_PIX_FMT_MPEG4: case V4L2_PIX_FMT_H264: if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME) sg_copy_from_buffer(sgt->sgl, sgt->nents, solo_enc->vop, solo_enc->vop_len); break; default: /* V4L2_PIX_FMT_MJPEG */ sg_copy_from_buffer(sgt->sgl, sgt->nents, solo_enc->jpeg_header, solo_enc->jpeg_len); break; } } static const struct vb2_ops solo_enc_video_qops = { .queue_setup = solo_enc_queue_setup, .buf_queue = solo_enc_buf_queue, .buf_finish = solo_enc_buf_finish, .start_streaming = solo_enc_start_streaming, .stop_streaming = solo_enc_stop_streaming, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, }; static int solo_enc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct solo_enc_dev *solo_enc = video_drvdata(file); strscpy(cap->driver, SOLO6X10_NAME, sizeof(cap->driver)); snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d", solo_enc->ch); return 0; } static int solo_enc_enum_input(struct file *file, void *priv, struct v4l2_input *input) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct solo_dev *solo_dev = solo_enc->solo_dev; if (input->index) return -EINVAL; snprintf(input->name, sizeof(input->name), "Encoder %d", solo_enc->ch + 1); input->type = V4L2_INPUT_TYPE_CAMERA; input->std = solo_enc->vfd->tvnorms; if (!tw28_get_video_status(solo_dev, solo_enc->ch)) input->status = V4L2_IN_ST_NO_SIGNAL; return 0; } static int solo_enc_set_input(struct file *file, void *priv, unsigned int index) { if (index) return -EINVAL; return 0; } static int solo_enc_get_input(struct file *file, void *priv, unsigned int *index) { *index = 0; return 0; } static int solo_enc_enum_fmt_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct solo_enc_dev *solo_enc = video_drvdata(file); int dev_type = solo_enc->solo_dev->type; switch (f->index) { case 0: switch (dev_type) { case SOLO_DEV_6010: f->pixelformat = V4L2_PIX_FMT_MPEG4; break; case SOLO_DEV_6110: f->pixelformat = V4L2_PIX_FMT_H264; break; } break; case 1: f->pixelformat = V4L2_PIX_FMT_MJPEG; break; default: return -EINVAL; } return 0; } static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type) { return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110) || (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010) || pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL; } static int solo_enc_try_fmt_cap(struct file *file, void *priv, struct v4l2_format *f) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct solo_dev *solo_dev = solo_enc->solo_dev; struct v4l2_pix_format *pix = &f->fmt.pix; if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type)) return -EINVAL; if (pix->width < solo_dev->video_hsize || pix->height < solo_dev->video_vsize << 1) { /* Default to CIF 1/2 size */ pix->width = solo_dev->video_hsize >> 1; pix->height = solo_dev->video_vsize; } else { /* Full frame */ pix->width = solo_dev->video_hsize; pix->height = solo_dev->video_vsize << 1; } switch (pix->field) { case V4L2_FIELD_NONE: case V4L2_FIELD_INTERLACED: break; case V4L2_FIELD_ANY: default: pix->field = V4L2_FIELD_INTERLACED; break; } /* Just set these */ pix->colorspace = V4L2_COLORSPACE_SMPTE170M; pix->sizeimage = FRAME_BUF_SIZE; pix->bytesperline = 0; return 0; } static int solo_enc_set_fmt_cap(struct file *file, void *priv, struct v4l2_format *f) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct solo_dev *solo_dev = solo_enc->solo_dev; struct v4l2_pix_format *pix = &f->fmt.pix; int ret; if (vb2_is_busy(&solo_enc->vidq)) return -EBUSY; ret = solo_enc_try_fmt_cap(file, priv, f); if (ret) return ret; if (pix->width == solo_dev->video_hsize) solo_enc->mode = SOLO_ENC_MODE_D1; else solo_enc->mode = SOLO_ENC_MODE_CIF; /* This does not change the encoder at all */ solo_enc->fmt = pix->pixelformat; /* * More information is needed about these 'extended' types. As far * as I can tell these are basically additional video streams with * different MPEG encoding attributes that can run in parallel with * the main stream. If so, then this should be implemented as a * second video node. Abusing priv like this is certainly not the * right approach. if (pix->priv) solo_enc->type = SOLO_ENC_TYPE_EXT; */ solo_update_mode(solo_enc); return 0; } static int solo_enc_get_fmt_cap(struct file *file, void *priv, struct v4l2_format *f) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct v4l2_pix_format *pix = &f->fmt.pix; pix->width = solo_enc->width; pix->height = solo_enc->height; pix->pixelformat = solo_enc->fmt; pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : V4L2_FIELD_NONE; pix->sizeimage = FRAME_BUF_SIZE; pix->colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct solo_dev *solo_dev = solo_enc->solo_dev; if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) *i = V4L2_STD_NTSC_M; else *i = V4L2_STD_PAL; return 0; } static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std) { struct solo_enc_dev *solo_enc = video_drvdata(file); return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50); } static int solo_enum_framesizes(struct file *file, void *priv, struct v4l2_frmsizeenum *fsize) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct solo_dev *solo_dev = solo_enc->solo_dev; if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type)) return -EINVAL; switch (fsize->index) { case 0: fsize->discrete.width = solo_dev->video_hsize >> 1; fsize->discrete.height = solo_dev->video_vsize; break; case 1: fsize->discrete.width = solo_dev->video_hsize; fsize->discrete.height = solo_dev->video_vsize << 1; break; default: return -EINVAL; } fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; return 0; } static int solo_enum_frameintervals(struct file *file, void *priv, struct v4l2_frmivalenum *fintv) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct solo_dev *solo_dev = solo_enc->solo_dev; if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type)) return -EINVAL; if (fintv->index) return -EINVAL; if ((fintv->width != solo_dev->video_hsize >> 1 || fintv->height != solo_dev->video_vsize) && (fintv->width != solo_dev->video_hsize || fintv->height != solo_dev->video_vsize << 1)) return -EINVAL; fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; fintv->stepwise.min.numerator = 1; fintv->stepwise.min.denominator = solo_dev->fps; fintv->stepwise.max.numerator = 15; fintv->stepwise.max.denominator = solo_dev->fps; fintv->stepwise.step.numerator = 1; fintv->stepwise.step.denominator = solo_dev->fps; return 0; } static int solo_g_parm(struct file *file, void *priv, struct v4l2_streamparm *sp) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct v4l2_captureparm *cp = &sp->parm.capture; cp->capability = V4L2_CAP_TIMEPERFRAME; cp->timeperframe.numerator = solo_enc->interval; cp->timeperframe.denominator = solo_enc->solo_dev->fps; cp->capturemode = 0; /* XXX: Shouldn't we be able to get/set this from vb2? */ cp->readbuffers = 2; return 0; } static inline int calc_interval(u8 fps, u32 n, u32 d) { if (!n || !d) return 1; if (d == fps) return n; n *= fps; return min(15U, n / d + (n % d >= (fps >> 1))); } static int solo_s_parm(struct file *file, void *priv, struct v4l2_streamparm *sp) { struct solo_enc_dev *solo_enc = video_drvdata(file); struct v4l2_fract *t = &sp->parm.capture.timeperframe; u8 fps = solo_enc->solo_dev->fps; if (vb2_is_streaming(&solo_enc->vidq)) return -EBUSY; solo_enc->interval = calc_interval(fps, t->numerator, t->denominator); solo_update_mode(solo_enc); return solo_g_parm(file, priv, sp); } static int solo_s_ctrl(struct v4l2_ctrl *ctrl) { struct solo_enc_dev *solo_enc = container_of(ctrl->handler, struct solo_enc_dev, hdl); struct solo_dev *solo_dev = solo_enc->solo_dev; int err; switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: case V4L2_CID_CONTRAST: case V4L2_CID_SATURATION: case V4L2_CID_HUE: case V4L2_CID_SHARPNESS: return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, ctrl->val); case V4L2_CID_MPEG_VIDEO_GOP_SIZE: solo_enc->gop = ctrl->val; solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop); solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop); return 0; case V4L2_CID_MPEG_VIDEO_H264_MIN_QP: solo_enc->qp = ctrl->val; solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp); solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp); return 0; case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: solo_enc->motion_thresh = ctrl->val << 8; if (!solo_enc->motion_global || !solo_enc->motion_enabled) return 0; return solo_set_motion_threshold(solo_dev, solo_enc->ch, solo_enc->motion_thresh); case V4L2_CID_DETECT_MD_MODE: solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL; solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED; if (ctrl->val) { if (solo_enc->motion_global) err = solo_set_motion_threshold(solo_dev, solo_enc->ch, solo_enc->motion_thresh); else err = solo_set_motion_block(solo_dev, solo_enc->ch, solo_enc->md_thresholds->p_cur.p_u16); if (err) return err; } solo_motion_toggle(solo_enc, ctrl->val); return 0; case V4L2_CID_DETECT_MD_THRESHOLD_GRID: if (solo_enc->motion_enabled && !solo_enc->motion_global) return solo_set_motion_block(solo_dev, solo_enc->ch, solo_enc->md_thresholds->p_new.p_u16); break; case V4L2_CID_OSD_TEXT: strscpy(solo_enc->osd_text, ctrl->p_new.p_char, sizeof(solo_enc->osd_text)); return solo_osd_print(solo_enc); default: return -EINVAL; } return 0; } static int solo_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { switch (sub->type) { case V4L2_EVENT_MOTION_DET: /* Allow for up to 30 events (1 second for NTSC) to be * stored. */ return v4l2_event_subscribe(fh, sub, 30, NULL); default: return v4l2_ctrl_subscribe_event(fh, sub); } } static const struct v4l2_file_operations solo_enc_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, .release = vb2_fop_release, .read = vb2_fop_read, .poll = vb2_fop_poll, .mmap = vb2_fop_mmap, .unlocked_ioctl = video_ioctl2, }; static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { .vidioc_querycap = solo_enc_querycap, .vidioc_s_std = solo_enc_s_std, .vidioc_g_std = solo_enc_g_std, /* Input callbacks */ .vidioc_enum_input = solo_enc_enum_input, .vidioc_s_input = solo_enc_set_input, .vidioc_g_input = solo_enc_get_input, /* Video capture format callbacks */ .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap, .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap, .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap, .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap, /* Streaming I/O */ .vidioc_reqbufs = vb2_ioctl_reqbufs, .vidioc_querybuf = vb2_ioctl_querybuf, .vidioc_qbuf = vb2_ioctl_qbuf, .vidioc_dqbuf = vb2_ioctl_dqbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, /* Frame size and interval */ .vidioc_enum_framesizes = solo_enum_framesizes, .vidioc_enum_frameintervals = solo_enum_frameintervals, /* Video capture parameters */ .vidioc_s_parm = solo_s_parm, .vidioc_g_parm = solo_g_parm, /* Logging and events */ .vidioc_log_status = v4l2_ctrl_log_status, .vidioc_subscribe_event = solo_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static const struct video_device solo_enc_template = { .name = SOLO6X10_NAME, .fops = &solo_enc_fops, .ioctl_ops = &solo_enc_ioctl_ops, .minor = -1, .release = video_device_release, .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING, }; static const struct v4l2_ctrl_ops solo_ctrl_ops = { .s_ctrl = solo_s_ctrl, }; static const struct v4l2_ctrl_config solo_osd_text_ctrl = { .ops = &solo_ctrl_ops, .id = V4L2_CID_OSD_TEXT, .name = "OSD Text", .type = V4L2_CTRL_TYPE_STRING, .max = OSD_TEXT_MAX, .step = 1, }; /* Motion Detection Threshold matrix */ static const struct v4l2_ctrl_config solo_md_thresholds = { .ops = &solo_ctrl_ops, .id = V4L2_CID_DETECT_MD_THRESHOLD_GRID, .dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ }, .def = SOLO_DEF_MOT_THRESH, .max = 65535, .step = 1, }; static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, u8 ch, unsigned nr) { struct solo_enc_dev *solo_enc; struct v4l2_ctrl_handler *hdl; int ret; solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); if (!solo_enc) return ERR_PTR(-ENOMEM); hdl = &solo_enc->hdl; v4l2_ctrl_handler_init(hdl, 10); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_CONTRAST, 0, 255, 1, 128); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_SATURATION, 0, 255, 1, 128); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_HUE, 0, 255, 1, 128); if (tw28_has_sharpness(solo_dev, ch)) v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_SHARPNESS, 0, 15, 1, 0); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP); v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops, V4L2_CID_DETECT_MD_MODE, V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0, V4L2_DETECT_MD_MODE_DISABLED); v4l2_ctrl_new_std(hdl, &solo_ctrl_ops, V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1, SOLO_DEF_MOT_THRESH >> 8); v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL); solo_enc->md_thresholds = v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL); if (hdl->error) { ret = hdl->error; goto hdl_free; } solo_enc->solo_dev = solo_dev; solo_enc->ch = ch; mutex_init(&solo_enc->lock); spin_lock_init(&solo_enc->av_lock); INIT_LIST_HEAD(&solo_enc->vidq_active); solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ? V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264; solo_enc->type = SOLO_ENC_TYPE_STD; solo_enc->qp = SOLO_DEFAULT_QP; solo_enc->gop = solo_dev->fps; solo_enc->interval = 1; solo_enc->mode = SOLO_ENC_MODE_CIF; solo_enc->motion_global = true; solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH; solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; solo_enc->vidq.ops = &solo_enc_video_qops; solo_enc->vidq.mem_ops = &vb2_dma_sg_memops; solo_enc->vidq.drv_priv = solo_enc; solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM; solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); solo_enc->vidq.lock = &solo_enc->lock; solo_enc->vidq.dev = &solo_dev->pdev->dev; ret = vb2_queue_init(&solo_enc->vidq); if (ret) goto hdl_free; solo_update_mode(solo_enc); spin_lock_init(&solo_enc->motion_lock); /* Initialize this per encoder */ solo_enc->jpeg_len = sizeof(jpeg_header); memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len); solo_enc->desc_nelts = 32; solo_enc->desc_items = dma_alloc_coherent(&solo_dev->pdev->dev, sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, &solo_enc->desc_dma, GFP_KERNEL); ret = -ENOMEM; if (solo_enc->desc_items == NULL) goto hdl_free; solo_enc->vfd = video_device_alloc(); if (!solo_enc->vfd) goto pci_free; *solo_enc->vfd = solo_enc_template; solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; solo_enc->vfd->ctrl_handler = hdl; solo_enc->vfd->queue = &solo_enc->vidq; solo_enc->vfd->lock = &solo_enc->lock; video_set_drvdata(solo_enc->vfd, solo_enc); ret = video_register_device(solo_enc->vfd, VFL_TYPE_VIDEO, nr); if (ret < 0) goto vdev_release; snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num, solo_enc->vfd->num); return solo_enc; vdev_release: video_device_release(solo_enc->vfd); pci_free: dma_free_coherent(&solo_enc->solo_dev->pdev->dev, sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, solo_enc->desc_items, solo_enc->desc_dma); hdl_free: v4l2_ctrl_handler_free(hdl); kfree(solo_enc); return ERR_PTR(ret); } static void solo_enc_free(struct solo_enc_dev *solo_enc) { if (solo_enc == NULL) return; dma_free_coherent(&solo_enc->solo_dev->pdev->dev, sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts, solo_enc->desc_items, solo_enc->desc_dma); video_unregister_device(solo_enc->vfd); v4l2_ctrl_handler_free(&solo_enc->hdl); kfree(solo_enc); } int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr) { int i; init_waitqueue_head(&solo_dev->ring_thread_wait); solo_dev->vh_size = sizeof(vop_header); solo_dev->vh_buf = dma_alloc_coherent(&solo_dev->pdev->dev, solo_dev->vh_size, &solo_dev->vh_dma, GFP_KERNEL); if (solo_dev->vh_buf == NULL) return -ENOMEM; for (i = 0; i < solo_dev->nr_chans; i++) { solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr); if (IS_ERR(solo_dev->v4l2_enc[i])) break; } if (i != solo_dev->nr_chans) { int ret = PTR_ERR(solo_dev->v4l2_enc[i]); while (i--) solo_enc_free(solo_dev->v4l2_enc[i]); dma_free_coherent(&solo_dev->pdev->dev, solo_dev->vh_size, solo_dev->vh_buf, solo_dev->vh_dma); solo_dev->vh_buf = NULL; return ret; } if (solo_dev->type == SOLO_DEV_6010) solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; else solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5; dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n", solo_dev->v4l2_enc[0]->vfd->num, solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num); return solo_ring_start(solo_dev); } void solo_enc_v4l2_exit(struct solo_dev *solo_dev) { int i; solo_ring_stop(solo_dev); for (i = 0; i < solo_dev->nr_chans; i++) solo_enc_free(solo_dev->v4l2_enc[i]); if (solo_dev->vh_buf) dma_free_coherent(&solo_dev->pdev->dev, solo_dev->vh_size, solo_dev->vh_buf, solo_dev->vh_dma); }
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