--- /dev/null
+/*
+ * 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 solo_dev *solo_dev = solo_enc->solo_dev;
+ struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0);
+ int frame_size;
+
+ vb->v4l2_buf.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, vbuf,
+ 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 solo_dev *solo_dev = solo_enc->solo_dev;
+ struct sg_table *vbuf = 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 */
+ vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME |
+ V4L2_BUF_FLAG_BFRAME);
+ if (!vop_type(vh)) {
+ skip = solo_enc->vop_len;
+ vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
+ vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) +
+ solo_enc->vop_len);
+ } else {
+ vb->v4l2_buf.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, vbuf, 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)
+{
+ 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) {
+ vb->v4l2_buf.sequence = solo_enc->sequence++;
+ vb->v4l2_buf.timestamp.tv_sec = vop_sec(vh);
+ vb->v4l2_buf.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 = vb->v4l2_buf.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, 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 struct v4l2_format *fmt,
+ 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_queue *vq = vb->vb2_queue;
+ struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq);
+ struct solo_vb2_buf *solo_vb =
+ container_of(vb, 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_STATE_ERROR);
+ }
+ spin_unlock_irqrestore(&solo_enc->av_lock, flags);
+}
+
+static void solo_enc_buf_finish(struct vb2_buffer *vb)
+{
+ struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue);
+ struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0);
+
+ switch (solo_enc->fmt) {
+ case V4L2_PIX_FMT_MPEG4:
+ case V4L2_PIX_FMT_H264:
+ if (vb->v4l2_buf.flags & V4L2_BUF_FLAG_KEYFRAME)
+ sg_copy_from_buffer(vbuf->sgl, vbuf->nents,
+ solo_enc->vop, solo_enc->vop_len);
+ break;
+ default: /* V4L2_PIX_FMT_MJPEG */
+ sg_copy_from_buffer(vbuf->sgl, vbuf->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;
+ 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);
+}
Code Review / kvmfornfv.git / blobdiff