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- /*
- * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
- *
- * Original author:
- * Ben Collins <bcollins@ubuntu.com>
- *
- * Additional work by:
- * John Brooks <john.brooks@bluecherry.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
- #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 (196 * 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 int vop_interlaced(const vop_header *vh)
- {
- return (__le32_to_cpu((*vh)[0]) >> 30) & 1;
- }
- static inline 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 vop_hsize(const vop_header *vh)
- {
- return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF;
- }
- static inline u8 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 vop_sec(const vop_header *vh)
- {
- return __le32_to_cpu((*vh)[5]);
- }
- static inline 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++;
- vbuf->timestamp.tv_sec = vop_sec(vh);
- vbuf->timestamp.tv_usec = vop_usec(vh);
- /* 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,
- const void *parg,
- unsigned int *num_buffers,
- unsigned int *num_planes, unsigned int sizes[],
- void *alloc_ctxs[])
- {
- struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
- sizes[0] = FRAME_BUF_SIZE;
- alloc_ctxs[0] = solo_enc->alloc_ctx;
- *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 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);
- struct solo_dev *solo_dev = solo_enc->solo_dev;
- strcpy(cap->driver, SOLO6X10_NAME);
- snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
- solo_enc->ch);
- snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
- pci_name(solo_dev->pdev));
- cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
- 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;
- strcpy(f->description, "MPEG-4 part 2");
- break;
- case SOLO_DEV_6110:
- f->pixelformat = V4L2_PIX_FMT_H264;
- strcpy(f->description, "H.264");
- break;
- }
- break;
- case 1:
- f->pixelformat = V4L2_PIX_FMT_MJPEG;
- strcpy(f->description, "MJPEG");
- break;
- default:
- return -EINVAL;
- }
- f->flags = V4L2_FMT_FLAG_COMPRESSED;
- 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;
- pix->priv = 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;
- pix->priv = 0;
- 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 videobuf? */
- 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:
- strcpy(solo_enc->osd_text, ctrl->p_new.p_char);
- 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_CTRL:
- return v4l2_ctrl_subscribe_event(fh, sub);
- 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);
- }
- return -EINVAL;
- }
- 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,
- };
- 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;
- solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev);
- if (IS_ERR(solo_enc->alloc_ctx)) {
- ret = PTR_ERR(solo_enc->alloc_ctx);
- goto hdl_free;
- }
- 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;
- 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 = pci_alloc_consistent(solo_dev->pdev,
- sizeof(struct solo_p2m_desc) *
- solo_enc->desc_nelts,
- &solo_enc->desc_dma);
- 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_GRABBER, 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:
- pci_free_consistent(solo_enc->solo_dev->pdev,
- sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
- solo_enc->desc_items, solo_enc->desc_dma);
- hdl_free:
- v4l2_ctrl_handler_free(hdl);
- vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
- kfree(solo_enc);
- return ERR_PTR(ret);
- }
- static void solo_enc_free(struct solo_enc_dev *solo_enc)
- {
- if (solo_enc == NULL)
- return;
- pci_free_consistent(solo_enc->solo_dev->pdev,
- 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);
- vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
- 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 = pci_alloc_consistent(solo_dev->pdev,
- solo_dev->vh_size,
- &solo_dev->vh_dma);
- 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]);
- pci_free_consistent(solo_dev->pdev, 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)
- pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
- solo_dev->vh_buf, solo_dev->vh_dma);
- }
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