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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-15 12:04:14 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-25 08:46:03 -0300
commit382c31a94330a96e5800358140840998671722bf (patch)
tree0734e8c4c8df472172cc1cd23adc9d9e0c3e10ac /drivers/staging/media
parenta7eb931d635cce7b831f745c903204fb79a4aba0 (diff)
downloadvexpress-lsk-382c31a94330a96e5800358140840998671722bf.tar.gz
[media] solo6x10: convert encoder nodes to vb2
As a consequence the ioctl op has been replaced by unlocked_ioctl. Since we are now using the core lock the locking scheme has been simplified as well. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/solo6x10/Kconfig1
-rw-r--r--drivers/staging/media/solo6x10/solo6x10.h13
-rw-r--r--drivers/staging/media/solo6x10/v4l2-enc.c505
3 files changed, 140 insertions, 379 deletions
diff --git a/drivers/staging/media/solo6x10/Kconfig b/drivers/staging/media/solo6x10/Kconfig
index 63352de5eab..f93b4cab9cc 100644
--- a/drivers/staging/media/solo6x10/Kconfig
+++ b/drivers/staging/media/solo6x10/Kconfig
@@ -2,6 +2,7 @@ config SOLO6X10
tristate "Softlogic 6x10 MPEG codec cards"
depends on PCI && VIDEO_DEV && SND && I2C
select VIDEOBUF_DMA_SG
+ select VIDEOBUF2_DMA_SG
select SND_PCM
---help---
This driver supports the Softlogic based MPEG-4 and h.264 codec
diff --git a/drivers/staging/media/solo6x10/solo6x10.h b/drivers/staging/media/solo6x10/solo6x10.h
index 413ee10e691..d18093fac2b 100644
--- a/drivers/staging/media/solo6x10/solo6x10.h
+++ b/drivers/staging/media/solo6x10/solo6x10.h
@@ -40,6 +40,7 @@
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/videobuf-core.h>
+#include <media/videobuf2-core.h>
#include "registers.h"
@@ -135,6 +136,11 @@ struct solo_p2m_dev {
#define OSD_TEXT_MAX 44
+struct solo_vb2_buf {
+ struct vb2_buffer vb;
+ struct list_head list;
+};
+
enum solo_enc_types {
SOLO_ENC_TYPE_STD,
SOLO_ENC_TYPE_EXT,
@@ -146,10 +152,8 @@ struct solo_enc_dev {
struct v4l2_ctrl_handler hdl;
struct video_device *vfd;
/* General accounting */
- struct mutex enable_lock;
+ struct mutex lock;
spinlock_t motion_lock;
- atomic_t readers;
- atomic_t mpeg_readers;
u8 ch;
u8 mode, gop, qp, interlaced, interval;
u8 bw_weight;
@@ -169,9 +173,8 @@ struct solo_enc_dev {
int jpeg_len;
u32 fmt;
- u8 enc_on;
enum solo_enc_types type;
- struct videobuf_queue vidq;
+ struct vb2_queue vidq;
struct list_head vidq_active;
int desc_count;
int desc_nelts;
diff --git a/drivers/staging/media/solo6x10/v4l2-enc.c b/drivers/staging/media/solo6x10/v4l2-enc.c
index 546a18b3132..d7d96ce1006 100644
--- a/drivers/staging/media/solo6x10/v4l2-enc.c
+++ b/drivers/staging/media/solo6x10/v4l2-enc.c
@@ -30,7 +30,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-common.h>
#include <media/v4l2-event.h>
-#include <media/videobuf-dma-sg.h>
+#include <media/videobuf2-dma-sg.h>
#include "solo6x10.h"
#include "tw28.h"
@@ -181,7 +181,6 @@ static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on)
spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
}
-/* MUST be called with solo_enc->enable_lock held */
static void solo_update_mode(struct solo_enc_dev *solo_enc)
{
struct solo_dev *solo_dev = solo_enc->solo_dev;
@@ -264,43 +263,22 @@ static void solo_update_mode(struct solo_enc_dev *solo_enc)
jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN);
}
-/* MUST be called with solo_enc->enable_lock held */
-static int __solo_enc_on(struct solo_enc_dev *solo_enc)
+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;
- BUG_ON(!mutex_is_locked(&solo_enc->enable_lock));
-
- if (solo_enc->enc_on)
- return 0;
-
solo_update_mode(solo_enc);
- /* Make sure to bw check on first reader */
- if (!atomic_read(&solo_enc->readers)) {
- if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
- return -EBUSY;
- else
- solo_dev->enc_bw_remain -= solo_enc->bw_weight;
- }
-
- solo_enc->enc_on = 1;
+ /* Make sure to do a bandwidth check */
+ if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
+ return -EBUSY;
+ 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);
- /* Reset the encoder if we are the first mpeg reader, else only reset
- * on the first mjpeg reader. */
- if (solo_enc->fmt == V4L2_PIX_FMT_MPEG) {
- atomic_inc(&solo_enc->readers);
- if (atomic_inc_return(&solo_enc->mpeg_readers) > 1)
- return 0;
- } else if (atomic_inc_return(&solo_enc->readers) > 1) {
- return 0;
- }
-
/* Disable all encoding for this channel */
solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0);
@@ -329,47 +307,16 @@ static int __solo_enc_on(struct solo_enc_dev *solo_enc)
return 0;
}
-static int solo_enc_on(struct solo_enc_dev *solo_enc)
-{
- int ret;
-
- mutex_lock(&solo_enc->enable_lock);
- ret = __solo_enc_on(solo_enc);
- mutex_unlock(&solo_enc->enable_lock);
-
- return ret;
-}
-
-static void __solo_enc_off(struct solo_enc_dev *solo_enc)
+static void solo_enc_off(struct solo_enc_dev *solo_enc)
{
struct solo_dev *solo_dev = solo_enc->solo_dev;
- BUG_ON(!mutex_is_locked(&solo_enc->enable_lock));
-
- if (!solo_enc->enc_on)
- return;
-
- solo_enc->enc_on = 0;
-
- if (solo_enc->fmt == V4L2_PIX_FMT_MPEG)
- atomic_dec(&solo_enc->mpeg_readers);
-
- if (atomic_dec_return(&solo_enc->readers) > 0)
- return;
-
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 void solo_enc_off(struct solo_enc_dev *solo_enc)
-{
- mutex_lock(&solo_enc->enable_lock);
- __solo_enc_off(solo_enc);
- mutex_unlock(&solo_enc->enable_lock);
-}
-
static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma,
unsigned int off, unsigned int size)
{
@@ -403,7 +350,7 @@ static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma,
/* 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 videobuf_dmabuf *vbuf, int off, int size,
+ struct vb2_dma_sg_desc *vbuf, int off, int size,
unsigned int base, unsigned int base_size)
{
struct solo_dev *solo_dev = solo_enc->solo_dev;
@@ -416,7 +363,7 @@ static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip,
solo_enc->desc_count = 1;
- for_each_sg(vbuf->sglist, sg, vbuf->sglen, i) {
+ for_each_sg(vbuf->sglist, sg, vbuf->num_pages, i) {
struct solo_p2m_desc *desc;
dma_addr_t dma;
int len;
@@ -487,61 +434,62 @@ static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip,
solo_enc->desc_count - 1);
}
-static int solo_fill_jpeg(struct solo_enc_dev *solo_enc, struct videobuf_buffer *vb,
- struct videobuf_dmabuf *vbuf, struct vop_header *vh)
+static int solo_fill_jpeg(struct solo_enc_dev *solo_enc,
+ struct vb2_buffer *vb, struct vop_header *vh)
{
struct solo_dev *solo_dev = solo_enc->solo_dev;
- struct solo_videobuf *svb = (struct solo_videobuf *)vb;
+ struct vb2_dma_sg_desc *vbuf = vb2_dma_sg_plane_desc(vb, 0);
int frame_size;
+ int ret;
- svb->flags |= V4L2_BUF_FLAG_KEYFRAME;
+ vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
- if (vb->bsize < (vh->jpeg_size + solo_enc->jpeg_len))
+ if (vb2_plane_size(vb, 0) < vh->jpeg_size + solo_enc->jpeg_len)
return -EIO;
- vb->width = solo_enc->width;
- vb->height = solo_enc->height;
- vb->size = vh->jpeg_size + solo_enc->jpeg_len;
-
- sg_copy_from_buffer(vbuf->sglist, vbuf->sglen,
- solo_enc->jpeg_header,
- solo_enc->jpeg_len);
+ sg_copy_from_buffer(vbuf->sglist, vbuf->num_pages,
+ solo_enc->jpeg_header,
+ solo_enc->jpeg_len);
frame_size = (vh->jpeg_size + solo_enc->jpeg_len + (DMA_ALIGN - 1))
& ~(DMA_ALIGN - 1);
-
- return solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, vh->jpeg_off,
- frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
- SOLO_JPEG_EXT_SIZE(solo_dev));
+ vb2_set_plane_payload(vb, 0, vh->jpeg_size + solo_enc->jpeg_len);
+
+ dma_map_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
+ DMA_FROM_DEVICE);
+ ret = solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, vh->jpeg_off,
+ frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
+ SOLO_JPEG_EXT_SIZE(solo_dev));
+ dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
+ DMA_FROM_DEVICE);
+ return ret;
}
-static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, struct videobuf_buffer *vb,
- struct videobuf_dmabuf *vbuf, struct vop_header *vh)
+static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
+ struct vb2_buffer *vb, struct vop_header *vh)
{
struct solo_dev *solo_dev = solo_enc->solo_dev;
- struct solo_videobuf *svb = (struct solo_videobuf *)vb;
+ struct vb2_dma_sg_desc *vbuf = vb2_dma_sg_plane_desc(vb, 0);
int frame_off, frame_size;
int skip = 0;
+ int ret;
- if (vb->bsize < vh->mpeg_size)
+ if (vb2_plane_size(vb, 0) < vh->mpeg_size)
return -EIO;
- vb->width = vh->hsize << 4;
- vb->height = vh->vsize << 4;
- vb->size = vh->mpeg_size;
-
/* If this is a key frame, add extra header */
if (!vh->vop_type) {
- sg_copy_from_buffer(vbuf->sglist, vbuf->sglen,
- solo_enc->vop,
- solo_enc->vop_len);
+ sg_copy_from_buffer(vbuf->sglist, vbuf->num_pages,
+ solo_enc->vop,
+ solo_enc->vop_len);
skip = solo_enc->vop_len;
- vb->size += solo_enc->vop_len;
- svb->flags |= V4L2_BUF_FLAG_KEYFRAME;
+ vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
+ vb2_set_plane_payload(vb, 0, vh->mpeg_size + solo_enc->vop_len);
} else {
- svb->flags |= V4L2_BUF_FLAG_PFRAME;
+ vb->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
+ vb2_set_plane_payload(vb, 0, vh->mpeg_size);
}
/* Now get the actual mpeg payload */
@@ -550,93 +498,67 @@ static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, struct videobuf_buffer
frame_size = (vh->mpeg_size + skip + (DMA_ALIGN - 1))
& ~(DMA_ALIGN - 1);
- return solo_send_desc(solo_enc, skip, vbuf, frame_off, frame_size,
- SOLO_MP4E_EXT_ADDR(solo_dev),
- SOLO_MP4E_EXT_SIZE(solo_dev));
+ dma_map_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
+ DMA_FROM_DEVICE);
+ ret = solo_send_desc(solo_enc, skip, vbuf, frame_off, frame_size,
+ SOLO_MP4E_EXT_ADDR(solo_dev),
+ SOLO_MP4E_EXT_SIZE(solo_dev));
+ dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sglist, vbuf->num_pages,
+ DMA_FROM_DEVICE);
+ return ret;
}
static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
- struct videobuf_buffer *vb,
- struct solo_enc_buf *enc_buf)
+ struct vb2_buffer *vb, struct solo_enc_buf *enc_buf)
{
- struct solo_videobuf *svb = (struct solo_videobuf *)vb;
- struct videobuf_dmabuf *vbuf = NULL;
struct vop_header *vh = enc_buf->vh;
int ret;
- vbuf = videobuf_to_dma(vb);
- if (WARN_ON_ONCE(!vbuf)) {
- ret = -EIO;
- goto vbuf_error;
- }
-
- /* Setup some common flags for both types */
- svb->flags = V4L2_BUF_FLAG_TIMECODE;
- vb->ts.tv_sec = vh->sec;
- vb->ts.tv_usec = vh->usec;
-
/* Check for motion flags */
if (solo_is_motion_on(solo_enc)) {
- svb->flags |= V4L2_BUF_FLAG_MOTION_ON;
+ vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_ON;
if (enc_buf->motion)
- svb->flags |= V4L2_BUF_FLAG_MOTION_DETECTED;
+ vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_DETECTED;
}
if (solo_enc->fmt == V4L2_PIX_FMT_MPEG)
- ret = solo_fill_mpeg(solo_enc, vb, vbuf, vh);
+ ret = solo_fill_mpeg(solo_enc, vb, vh);
else
- ret = solo_fill_jpeg(solo_enc, vb, vbuf, vh);
-
-vbuf_error:
- /* On error, we push this buffer back into the queue. The
- * videobuf-core doesn't handle error packets very well. Plus
- * we recover nicely internally anyway. */
- if (ret) {
- unsigned long flags;
-
- spin_lock_irqsave(&solo_enc->av_lock, flags);
- list_add(&vb->queue, &solo_enc->vidq_active);
- vb->state = VIDEOBUF_QUEUED;
- spin_unlock_irqrestore(&solo_enc->av_lock, flags);
- } else {
- vb->state = VIDEOBUF_DONE;
- vb->field_count++;
- vb->width = solo_enc->width;
- vb->height = solo_enc->height;
+ ret = solo_fill_jpeg(solo_enc, vb, vh);
- wake_up(&vb->done);
+ if (!ret) {
+ vb->v4l2_buf.sequence++;
+ vb->v4l2_buf.timestamp.tv_sec = vh->sec;
+ vb->v4l2_buf.timestamp.tv_usec = vh->usec;
}
+ 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 videobuf_buffer *vb;
+ struct solo_vb2_buf *vb;
unsigned long flags;
- mutex_lock(&solo_enc->enable_lock);
-
+ mutex_lock(&solo_enc->lock);
if (solo_enc->type != enc_buf->type)
goto unlock;
- if (list_empty(&solo_enc->vidq_active))
- goto unlock;
-
spin_lock_irqsave(&solo_enc->av_lock, flags);
-
- vb = list_first_entry(&solo_enc->vidq_active,
- struct videobuf_buffer, queue);
-
- list_del(&vb->queue);
- vb->state = VIDEOBUF_ACTIVE;
-
+ 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, enc_buf);
+ solo_enc_fillbuf(solo_enc, &vb->vb, enc_buf);
unlock:
- mutex_unlock(&solo_enc->enable_lock);
+ mutex_unlock(&solo_enc->lock);
}
void solo_enc_v4l2_isr(struct solo_dev *solo_dev)
@@ -723,85 +645,29 @@ static int solo_ring_thread(void *data)
return 0;
}
-static int solo_enc_buf_setup(struct videobuf_queue *vq, unsigned int *count,
- unsigned int *size)
-{
- *size = FRAME_BUF_SIZE;
-
- if (*count < MIN_VID_BUFFERS)
- *count = MIN_VID_BUFFERS;
-
- return 0;
-}
-
-static int solo_enc_buf_prepare(struct videobuf_queue *vq,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
+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[])
{
- vb->size = FRAME_BUF_SIZE;
- if (vb->baddr != 0 && vb->bsize < vb->size)
- return -EINVAL;
-
- /* This property only change when queue is idle */
- vb->field = field;
+ sizes[0] = FRAME_BUF_SIZE;
+ *num_planes = 1;
- if (vb->state == VIDEOBUF_NEEDS_INIT) {
- int rc = videobuf_iolock(vq, vb, NULL);
- if (rc < 0) {
- struct videobuf_dmabuf *dma = videobuf_to_dma(vb);
- videobuf_dma_unmap(vq->dev, dma);
- videobuf_dma_free(dma);
-
- return rc;
- }
- }
- vb->state = VIDEOBUF_PREPARED;
+ if (*num_buffers < MIN_VID_BUFFERS)
+ *num_buffers = MIN_VID_BUFFERS;
return 0;
}
-static void solo_enc_buf_queue(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
+static void solo_enc_buf_queue(struct vb2_buffer *vb)
{
- struct solo_enc_dev *solo_enc = vq->priv_data;
-
- vb->state = VIDEOBUF_QUEUED;
- list_add_tail(&vb->queue, &solo_enc->vidq_active);
-}
-
-static void solo_enc_buf_release(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
-{
- struct videobuf_dmabuf *dma = videobuf_to_dma(vb);
- videobuf_dma_unmap(vq->dev, dma);
- videobuf_dma_free(dma);
- vb->state = VIDEOBUF_NEEDS_INIT;
-}
-
-static const struct videobuf_queue_ops solo_enc_video_qops = {
- .buf_setup = solo_enc_buf_setup,
- .buf_prepare = solo_enc_buf_prepare,
- .buf_queue = solo_enc_buf_queue,
- .buf_release = solo_enc_buf_release,
-};
+ 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);
-static unsigned int solo_enc_poll(struct file *file,
- struct poll_table_struct *wait)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
- unsigned long req_events = poll_requested_events(wait);
- unsigned res = v4l2_ctrl_poll(file, wait);
-
- if (!(req_events & (POLLIN | POLLRDNORM)))
- return res;
- return videobuf_poll_stream(file, &solo_enc->vidq, wait);
-}
-
-static int solo_enc_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
-
- return videobuf_mmap_mapper(&solo_enc->vidq, vma);
+ 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)
@@ -835,50 +701,36 @@ static void solo_ring_stop(struct solo_dev *solo_dev)
solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
}
-static int solo_enc_open(struct file *file)
+static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count)
{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
- struct solo_dev *solo_dev = solo_enc->solo_dev;
- int ret = v4l2_fh_open(file);
-
- if (ret)
- return ret;
- ret = solo_ring_start(solo_dev);
- if (ret) {
- v4l2_fh_release(file);
- return ret;
- }
- return 0;
-}
-
-static ssize_t solo_enc_read(struct file *file, char __user *data,
- size_t count, loff_t *ppos)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
+ struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
int ret;
- /* Make sure the encoder is on */
ret = solo_enc_on(solo_enc);
if (ret)
return ret;
-
- return videobuf_read_stream(&solo_enc->vidq, data, count, ppos, 0,
- file->f_flags & O_NONBLOCK);
+ return solo_ring_start(solo_enc->solo_dev);
}
-static int solo_enc_release(struct file *file)
+static int solo_enc_stop_streaming(struct vb2_queue *q)
{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
- struct solo_dev *solo_dev = solo_enc->solo_dev;
+ struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
solo_enc_off(solo_enc);
- videobuf_stop(&solo_enc->vidq);
- videobuf_mmap_free(&solo_enc->vidq);
- solo_ring_stop(solo_dev);
-
- return v4l2_fh_release(file);
+ INIT_LIST_HEAD(&solo_enc->vidq_active);
+ solo_ring_stop(solo_enc->solo_dev);
+ return 0;
}
+static struct vb2_ops solo_enc_video_qops = {
+ .queue_setup = solo_enc_queue_setup,
+ .buf_queue = solo_enc_buf_queue,
+ .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)
{
@@ -1007,23 +859,13 @@ static int solo_enc_set_fmt_cap(struct file *file, void *priv,
struct v4l2_pix_format *pix = &f->fmt.pix;
int ret;
- mutex_lock(&solo_enc->enable_lock);
+ if (vb2_is_busy(&solo_enc->vidq))
+ return -EBUSY;
ret = solo_enc_try_fmt_cap(file, priv, f);
if (ret)
return ret;
- /* We cannot change width/height in mid read */
- if (!ret && atomic_read(&solo_enc->readers) > 0) {
- if (pix->width != solo_enc->width ||
- pix->height != solo_enc->height)
- ret = -EBUSY;
- }
- if (ret) {
- mutex_unlock(&solo_enc->enable_lock);
- return ret;
- }
-
if (pix->width == solo_dev->video_hsize)
solo_enc->mode = SOLO_ENC_MODE_D1;
else
@@ -1034,9 +876,6 @@ static int solo_enc_set_fmt_cap(struct file *file, void *priv,
if (pix->priv)
solo_enc->type = SOLO_ENC_TYPE_EXT;
-
- mutex_unlock(&solo_enc->enable_lock);
-
return 0;
}
@@ -1058,80 +897,6 @@ static int solo_enc_get_fmt_cap(struct file *file, void *priv,
return 0;
}
-static int solo_enc_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *req)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
-
- return videobuf_reqbufs(&solo_enc->vidq, req);
-}
-
-static int solo_enc_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *buf)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
-
- return videobuf_querybuf(&solo_enc->vidq, buf);
-}
-
-static int solo_enc_qbuf(struct file *file, void *priv,
- struct v4l2_buffer *buf)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
-
- return videobuf_qbuf(&solo_enc->vidq, buf);
-}
-
-static int solo_enc_dqbuf(struct file *file, void *priv,
- struct v4l2_buffer *buf)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
- struct solo_videobuf *svb;
- int ret;
-
- /* Make sure the encoder is on */
- ret = solo_enc_on(solo_enc);
- if (ret)
- return ret;
-
- ret = videobuf_dqbuf(&solo_enc->vidq, buf, file->f_flags & O_NONBLOCK);
- if (ret)
- return ret;
-
- /* Copy over the flags */
- svb = (struct solo_videobuf *)solo_enc->vidq.bufs[buf->index];
- buf->flags |= svb->flags;
-
- return 0;
-}
-
-static int solo_enc_streamon(struct file *file, void *priv,
- enum v4l2_buf_type i)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
-
- if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- return videobuf_streamon(&solo_enc->vidq);
-}
-
-static int solo_enc_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type i)
-{
- struct solo_enc_dev *solo_enc = video_drvdata(file);
- int ret;
-
- if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- ret = videobuf_streamoff(&solo_enc->vidq);
- if (!ret)
- solo_enc_off(solo_enc);
-
- return ret;
-}
-
static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id i)
{
return 0;
@@ -1220,12 +985,8 @@ static int solo_s_parm(struct file *file, void *priv,
struct solo_dev *solo_dev = solo_enc->solo_dev;
struct v4l2_captureparm *cp = &sp->parm.capture;
- mutex_lock(&solo_enc->enable_lock);
-
- if (atomic_read(&solo_enc->mpeg_readers) > 0) {
- mutex_unlock(&solo_enc->enable_lock);
+ if (vb2_is_streaming(&solo_enc->vidq))
return -EBUSY;
- }
if ((cp->timeperframe.numerator == 0) ||
(cp->timeperframe.denominator == 0)) {
@@ -1246,9 +1007,6 @@ static int solo_s_parm(struct file *file, void *priv,
cp->readbuffers = 2;
solo_update_mode(solo_enc);
-
- mutex_unlock(&solo_enc->enable_lock);
-
return 0;
}
@@ -1297,10 +1055,8 @@ static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
solo_motion_toggle(solo_enc, ctrl->val);
return 0;
case V4L2_CID_OSD_TEXT:
- mutex_lock(&solo_enc->enable_lock);
strcpy(solo_enc->osd_text, ctrl->string);
err = solo_osd_print(solo_enc);
- mutex_unlock(&solo_enc->enable_lock);
return err;
default:
return -EINVAL;
@@ -1311,12 +1067,12 @@ static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
static const struct v4l2_file_operations solo_enc_fops = {
.owner = THIS_MODULE,
- .open = solo_enc_open,
- .release = solo_enc_release,
- .read = solo_enc_read,
- .poll = solo_enc_poll,
- .mmap = solo_enc_mmap,
- .ioctl = video_ioctl2,
+ .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 = {
@@ -1332,12 +1088,12 @@ static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
.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 = solo_enc_reqbufs,
- .vidioc_querybuf = solo_enc_querybuf,
- .vidioc_qbuf = solo_enc_qbuf,
- .vidioc_dqbuf = solo_enc_dqbuf,
- .vidioc_streamon = solo_enc_streamon,
- .vidioc_streamoff = solo_enc_streamoff,
+ .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,
@@ -1434,29 +1190,36 @@ static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
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 = V4L2_PIX_FMT_MPEG;
solo_enc->type = SOLO_ENC_TYPE_STD;
- atomic_set(&solo_enc->readers, 0);
-
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_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_type = 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;
spin_lock(&solo_enc->av_lock);
solo_update_mode(solo_enc);
spin_unlock(&solo_enc->av_lock);
- mutex_init(&solo_enc->enable_lock);
spin_lock_init(&solo_enc->motion_lock);
- atomic_set(&solo_enc->readers, 0);
- atomic_set(&solo_enc->mpeg_readers, 0);
-
/* Initialize this per encoder */
solo_enc->jpeg_len = sizeof(jpeg_header);
memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);
@@ -1469,14 +1232,6 @@ static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
if (solo_enc->desc_items == NULL)
goto hdl_free;
- videobuf_queue_sg_init(&solo_enc->vidq, &solo_enc_video_qops,
- &solo_dev->pdev->dev,
- &solo_enc->av_lock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED,
- sizeof(struct solo_videobuf),
- solo_enc, NULL);
-
solo_enc->vfd = video_device_alloc();
if (!solo_enc->vfd)
goto pci_free;
@@ -1484,6 +1239,8 @@ static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
*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;
set_bit(V4L2_FL_USE_FH_PRIO, &solo_enc->vfd->flags);
video_set_drvdata(solo_enc->vfd, solo_enc);
ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);