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Commit 7c617138 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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media: cx231xx: convert to the vb2 framework 

This patch converts the cx231xx driver to the vb2 framework.
Since you can't do a partial conversion this is a big-bang patch,
i.e. large and hard to review. I never found a way around this.
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Co-developed-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 7e86efa2
Hide whitespace changes
Inline Side-by-side
Showing with 407 additions and 1109 deletions
drivers/media/usb/cx231xx/Kconfig
View file @ 7c617138
......@@ -4,7 +4,7 @@ config VIDEO_CX231XX
depends on VIDEO_DEV && I2C && I2C_MUX
select VIDEO_TUNER
select VIDEO_TVEEPROM
select VIDEOBUF_VMALLOC
select VIDEOBUF2_VMALLOC
select VIDEO_CX25840
select VIDEO_CX2341X
......
drivers/media/usb/cx231xx/cx231xx-417.c
View file @ 7c617138
......@@ -22,6 +22,7 @@
#include <linux/firmware.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
......@@ -60,10 +61,6 @@
#define MCI_MODE_MEMORY_READ 0x000
#define MCI_MODE_MEMORY_WRITE 0x4000
static unsigned int mpegbufs = 8;
module_param(mpegbufs, int, 0644);
MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
static unsigned int mpeglines = 128;
module_param(mpeglines, int, 0644);
MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
......@@ -1080,16 +1077,6 @@ static int cx231xx_load_firmware(struct cx231xx *dev)
return 0;
}
static void cx231xx_417_check_encoder(struct cx231xx *dev)
{
u32 status, seq;
status = 0;
seq = 0;
cx231xx_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
}
static void cx231xx_codec_settings(struct cx231xx *dev)
{
dprintk(1, "%s()\n", __func__);
......@@ -1227,40 +1214,25 @@ static int cx231xx_initialize_codec(struct cx231xx *dev)
/* ------------------------------------------------------------------ */
static int bb_buf_setup(struct videobuf_queue *q,
unsigned int *count, unsigned int *size)
static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], struct device *alloc_devs[])
{
struct cx231xx_fh *fh = q->priv_data;
struct cx231xx *dev = vb2_get_drv_priv(vq);
unsigned int size = mpeglinesize * mpeglines;
fh->dev->ts1.ts_packet_size = mpeglinesize;
fh->dev->ts1.ts_packet_count = mpeglines;
dev->ts1.ts_packet_size = mpeglinesize;
dev->ts1.ts_packet_count = mpeglines;
*size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
*count = mpegbufs;
return 0;
}
static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
unsigned long flags = 0;
if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF)
*nbuffers = CX231XX_MIN_BUF - vq->num_buffers;
BUG_ON(in_interrupt());
if (*nplanes)
return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
sizes[0] = mpeglinesize * mpeglines;
spin_lock_irqsave(&dev->video_mode.slock, flags);
if (dev->USE_ISO) {
if (dev->video_mode.isoc_ctl.buf == buf)
dev->video_mode.isoc_ctl.buf = NULL;
} else {
if (dev->video_mode.bulk_ctl.buf == buf)
dev->video_mode.bulk_ctl.buf = NULL;
}
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
videobuf_waiton(vq, &buf->vb, 0, 0);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
return 0;
}
static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb,
......@@ -1276,13 +1248,13 @@ static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *ur
return;
buf = list_entry(dma_q->active.next,
struct cx231xx_buffer, vb.queue);
struct cx231xx_buffer, list);
dev->video_mode.isoc_ctl.buf = buf;
dma_q->mpeg_buffer_done = 1;
}
/* Fill buffer */
buf = dev->video_mode.isoc_ctl.buf;
vbuf = videobuf_to_vmalloc(&buf->vb);
vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
if ((dma_q->mpeg_buffer_completed+len) <
mpeglines*mpeglinesize) {
......@@ -1306,11 +1278,10 @@ static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *ur
memcpy(vbuf+dma_q->mpeg_buffer_completed,
data, tail_data);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
buf->vb.ts = ktime_get_ns();
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
buf->vb.vb2_buf.timestamp = ktime_get_ns();
buf->vb.sequence = dma_q->sequence++;
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
dma_q->mpeg_buffer_completed = 0;
if (len - tail_data > 0) {
......@@ -1331,17 +1302,15 @@ static void buffer_filled(char *data, int len, struct urb *urb,
if (list_empty(&dma_q->active))
return;
buf = list_entry(dma_q->active.next,
struct cx231xx_buffer, vb.queue);
buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list);
/* Fill buffer */
vbuf = videobuf_to_vmalloc(&buf->vb);
vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
memcpy(vbuf, data, len);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
buf->vb.ts = ktime_get_ns();
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
buf->vb.sequence = dma_q->sequence++;
buf->vb.vb2_buf.timestamp = ktime_get_ns();
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
static int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
......@@ -1394,100 +1363,104 @@ static int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
return 0;
}
static int bb_buf_prepare(struct videobuf_queue *q,
struct videobuf_buffer *vb, enum v4l2_field field)
static void buffer_queue(struct vb2_buffer *vb)
{
struct cx231xx_fh *fh = q->priv_data;
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = fh->dev;
int rc = 0, urb_init = 0;
int size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
container_of(vb, struct cx231xx_buffer, vb.vb2_buf);
struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue);
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
unsigned long flags;
if (0 != buf->vb.baddr && buf->vb.bsize < size)
return -EINVAL;
buf->vb.width = fh->dev->ts1.ts_packet_size;
buf->vb.height = fh->dev->ts1.ts_packet_count;
buf->vb.size = size;
buf->vb.field = field;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
rc = videobuf_iolock(q, &buf->vb, NULL);
if (rc < 0)
goto fail;
}
spin_lock_irqsave(&dev->video_mode.slock, flags);
list_add_tail(&buf->list, &vidq->active);
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
}
if (dev->USE_ISO) {
if (!dev->video_mode.isoc_ctl.num_bufs)
urb_init = 1;
} else {
if (!dev->video_mode.bulk_ctl.num_bufs)
urb_init = 1;
static void return_all_buffers(struct cx231xx *dev,
enum vb2_buffer_state state)
{
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
struct cx231xx_buffer *buf, *node;
unsigned long flags;
spin_lock_irqsave(&dev->video_mode.slock, flags);
list_for_each_entry_safe(buf, node, &vidq->active, list) {
vb2_buffer_done(&buf->vb.vb2_buf, state);
list_del(&buf->list);
}
dev_dbg(dev->dev,
"urb_init=%d dev->video_mode.max_pkt_size=%d\n",
urb_init, dev->video_mode.max_pkt_size);
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
}
static int start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct cx231xx *dev = vb2_get_drv_priv(vq);
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
int ret = 0;
vidq->sequence = 0;
dev->mode_tv = 1;
if (urb_init) {
rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
rc = cx231xx_unmute_audio(dev);
if (dev->USE_ISO) {
cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
rc = cx231xx_init_isoc(dev, mpeglines,
mpegbufs,
dev->ts1_mode.max_pkt_size,
cx231xx_isoc_copy);
} else {
cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
rc = cx231xx_init_bulk(dev, mpeglines,
mpegbufs,
dev->ts1_mode.max_pkt_size,
cx231xx_bulk_copy);
}
if (rc < 0)
goto fail;
}
cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
cx231xx_set_gpio_value(dev, 2, 0);
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
cx231xx_initialize_codec(dev);
cx231xx_start_TS1(dev);
fail:
free_buffer(q, buf);
return rc;
cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
if (dev->USE_ISO)
ret = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->ts1_mode.max_pkt_size,
cx231xx_isoc_copy);
else
ret = cx231xx_init_bulk(dev, 320, 5,
dev->ts1_mode.max_pkt_size,
cx231xx_bulk_copy);
if (ret)
return_all_buffers(dev, VB2_BUF_STATE_QUEUED);
call_all(dev, video, s_stream, 1);
return ret;
}
static void bb_buf_queue(struct videobuf_queue *q,
struct videobuf_buffer *vb)
static void stop_streaming(struct vb2_queue *vq)
{
struct cx231xx_fh *fh = q->priv_data;
struct cx231xx *dev = vb2_get_drv_priv(vq);
unsigned long flags;
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = fh->dev;
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
call_all(dev, video, s_stream, 0);
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
cx231xx_stop_TS1(dev);
}
/* do this before setting alternate! */
if (dev->USE_ISO)
cx231xx_uninit_isoc(dev);
else
cx231xx_uninit_bulk(dev);
cx231xx_set_mode(dev, CX231XX_SUSPEND);
static void bb_buf_release(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
/*struct cx231xx_fh *fh = q->priv_data;*/
/*struct cx231xx *dev = (struct cx231xx *)fh->dev;*/
cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
CX231xx_END_NOW, CX231xx_MPEG_CAPTURE,
CX231xx_RAW_BITS_NONE);
free_buffer(q, buf);
spin_lock_irqsave(&dev->video_mode.slock, flags);
if (dev->USE_ISO)
dev->video_mode.isoc_ctl.buf = NULL;
else
dev->video_mode.bulk_ctl.buf = NULL;
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
return_all_buffers(dev, VB2_BUF_STATE_ERROR);
}
static const struct videobuf_queue_ops cx231xx_qops = {
.buf_setup = bb_buf_setup,
.buf_prepare = bb_buf_prepare,
.buf_queue = bb_buf_queue,
.buf_release = bb_buf_release,
static struct vb2_ops cx231xx_video_qops = {
.queue_setup = queue_setup,
.buf_queue = buffer_queue,
.start_streaming = start_streaming,
.stop_streaming = stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
/* ------------------------------------------------------------------ */
......@@ -1495,8 +1468,7 @@ static const struct videobuf_queue_ops cx231xx_qops = {
static int vidioc_g_pixelaspect(struct file *file, void *priv,
int type, struct v4l2_fract *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
bool is_50hz = dev->encodernorm.id & V4L2_STD_625_50;
if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
......@@ -1511,8 +1483,7 @@ static int vidioc_g_pixelaspect(struct file *file, void *priv,
static int vidioc_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
......@@ -1533,8 +1504,7 @@ static int vidioc_g_selection(struct file *file, void *priv,
static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
*norm = dev->encodernorm.id;
return 0;
......@@ -1542,8 +1512,7 @@ static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm)
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
unsigned int i;
for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++)
......@@ -1575,8 +1544,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
struct v4l2_subdev *sd;
dprintk(3, "enter vidioc_s_ctrl()\n");
......@@ -1601,8 +1569,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
dprintk(3, "enter vidioc_g_fmt_vid_cap()\n");
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
......@@ -1621,8 +1588,7 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
dprintk(3, "enter vidioc_try_fmt_vid_cap()\n");
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
......@@ -1636,230 +1602,21 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
return 0;
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_reqbufs(&fh->vidq, p);
}
static int vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_querybuf(&fh->vidq, p);
}
static int vidioc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_qbuf(&fh->vidq, p);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
return videobuf_dqbuf(&fh->vidq, b, file->f_flags & O_NONBLOCK);
}
static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type i)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(3, "enter vidioc_streamon()\n");
cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
if (dev->USE_ISO)
cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_isoc_copy);
else {
cx231xx_init_bulk(dev, 320,
5,
dev->ts1_mode.max_pkt_size,
cx231xx_bulk_copy);
}
dprintk(3, "exit vidioc_streamon()\n");
return videobuf_streamon(&fh->vidq);
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx231xx_fh *fh = file->private_data;
return videobuf_streamoff(&fh->vidq);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
call_all(dev, core, log_status);
return v4l2_ctrl_log_status(file, priv);
}
static int mpeg_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx231xx *dev = video_drvdata(file);
struct cx231xx_fh *fh;
dprintk(2, "%s()\n", __func__);
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh) {
mutex_unlock(&dev->lock);
return -ENOMEM;
}
file->private_data = fh;
v4l2_fh_init(&fh->fh, vdev);
fh->dev = dev;
videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops,
NULL, &dev->video_mode.slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED,
sizeof(struct cx231xx_buffer), fh, &dev->lock);
/*
videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops,
dev->dev, &dev->ts1.slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx231xx_buffer),
fh, &dev->lock);
*/
cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
cx231xx_set_gpio_value(dev, 2, 0);
cx231xx_initialize_codec(dev);
mutex_unlock(&dev->lock);
v4l2_fh_add(&fh->fh);
cx231xx_start_TS1(dev);
return 0;
}
static int mpeg_release(struct file *file)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
dprintk(3, "mpeg_release()! dev=0x%p\n", dev);
mutex_lock(&dev->lock);
cx231xx_stop_TS1(dev);
/* do this before setting alternate! */
if (dev->USE_ISO)
cx231xx_uninit_isoc(dev);
else
cx231xx_uninit_bulk(dev);
cx231xx_set_mode(dev, CX231XX_SUSPEND);
cx231xx_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
CX231xx_END_NOW, CX231xx_MPEG_CAPTURE,
CX231xx_RAW_BITS_NONE);
/* FIXME: Review this crap */
/* Shut device down on last close */
if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
/* stop mpeg capture */
msleep(500);
cx231xx_417_check_encoder(dev);
}
}
if (fh->vidq.streaming)
videobuf_streamoff(&fh->vidq);
if (fh->vidq.reading)
videobuf_read_stop(&fh->vidq);
videobuf_mmap_free(&fh->vidq);
v4l2_fh_del(&fh->fh);
v4l2_fh_exit(&fh->fh);
kfree(fh);
mutex_unlock(&dev->lock);
return 0;
}
static ssize_t mpeg_read(struct file *file, char __user *data,
size_t count, loff_t *ppos)
{
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
/* Deal w/ A/V decoder * and mpeg encoder sync issues. */
/* Start mpeg encoder on first read. */
if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
if (cx231xx_initialize_codec(dev) < 0)
return -EINVAL;
}
}
return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
file->f_flags & O_NONBLOCK);
}
static __poll_t mpeg_poll(struct file *file,
struct poll_table_struct *wait)
{
__poll_t req_events = poll_requested_events(wait);
struct cx231xx_fh *fh = file->private_data;
struct cx231xx *dev = fh->dev;
__poll_t res = 0;
if (v4l2_event_pending(&fh->fh))
res |= EPOLLPRI;
else
poll_wait(file, &fh->fh.wait, wait);
if (!(req_events & (EPOLLIN | EPOLLRDNORM)))
return res;
mutex_lock(&dev->lock);
res |= videobuf_poll_stream(file, &fh->vidq, wait);
mutex_unlock(&dev->lock);
return res;
}
static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
{
struct cx231xx_fh *fh = file->private_data;
dprintk(2, "%s()\n", __func__);
return videobuf_mmap_mapper(&fh->vidq, vma);
}
static const struct v4l2_file_operations mpeg_fops = {
.owner = THIS_MODULE,
.open = mpeg_open,
.release = mpeg_release,
.read = mpeg_read,
.poll = mpeg_poll,
.mmap = mpeg_mmap,
.open = v4l2_fh_open,
.release = vb2_fop_release,
.read = vb2_fop_read,
.poll = vb2_fop_poll,
.mmap = vb2_fop_mmap,
.unlocked_ioctl = video_ioctl2,
};
......@@ -1881,12 +1638,12 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_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,
.vidioc_log_status = vidioc_log_status,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx231xx_g_register,
......@@ -1980,6 +1737,7 @@ int cx231xx_417_register(struct cx231xx *dev)
/* FIXME: Port1 hardcoded here */
int err = -ENODEV;
struct cx231xx_tsport *tsport = &dev->ts1;
struct vb2_queue *q;
dprintk(1, "%s()\n", __func__);
......@@ -2017,6 +1775,21 @@ int cx231xx_417_register(struct cx231xx *dev)
/* Allocate and initialize V4L video device */
cx231xx_video_dev_init(dev, dev->udev,
&dev->v4l_device, &cx231xx_mpeg_template, "mpeg");
q = &dev->mpegq;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx231xx_buffer);
q->ops = &cx231xx_video_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->min_buffers_needed = 1;
q->lock = &dev->lock;
err = vb2_queue_init(q);
if (err)
return err;
dev->v4l_device.queue = q;
err = video_register_device(&dev->v4l_device,
VFL_TYPE_GRABBER, -1);
if (err < 0) {
......
drivers/media/usb/cx231xx/cx231xx-cards.c
View file @ 7c617138
......@@ -1479,13 +1479,11 @@ static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev,
goto err_dev_init;
}
/* init video dma queues */
/* init video dma queue */
INIT_LIST_HEAD(&dev->video_mode.vidq.active);
INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
/* init vbi dma queues */
/* init vbi dma queue */
INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
/* Reset other chips required if they are tied up with GPIO pins */
cx231xx_add_into_devlist(dev);
......
drivers/media/usb/cx231xx/cx231xx-vbi.c
View file @ 7c617138
......@@ -153,131 +153,98 @@ static inline int cx231xx_isoc_vbi_copy(struct cx231xx *dev, struct urb *urb)
Vbi buf operations
------------------------------------------------------------------*/
static int
vbi_buffer_setup(struct videobuf_queue *vq, unsigned int *count,
unsigned int *size)
static int vbi_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], struct device *alloc_devs[])
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = vb2_get_drv_priv(vq);
u32 height = 0;
height = ((dev->norm & V4L2_STD_625_50) ?
PAL_VBI_LINES : NTSC_VBI_LINES);
*size = (dev->width * height * 2 * 2);
if (0 == *count)
*count = CX231XX_DEF_VBI_BUF;
if (*count < CX231XX_MIN_BUF)
*count = CX231XX_MIN_BUF;
*nplanes = 1;
sizes[0] = (dev->width * height * 2 * 2);
return 0;
}
/* This is called *without* dev->slock held; please keep it that way */
static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
unsigned long flags = 0;
BUG_ON(in_interrupt());
/* We used to wait for the buffer to finish here, but this didn't work
because, as we were keeping the state as VIDEOBUF_QUEUED,
videobuf_queue_cancel marked it as finished for us.
(Also, it could wedge forever if the hardware was misconfigured.)
This should be safe; by the time we get here, the buffer isn't
queued anymore. If we ever start marking the buffers as
VIDEOBUF_ACTIVE, it won't be, though.
*/
spin_lock_irqsave(&dev->vbi_mode.slock, flags);
if (dev->vbi_mode.bulk_ctl.buf == buf)
dev->vbi_mode.bulk_ctl.buf = NULL;
spin_unlock_irqrestore(&dev->vbi_mode.slock, flags);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
static int
vbi_buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
enum v4l2_field field)
static int vbi_buf_prepare(struct vb2_buffer *vb)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = fh->dev;
int rc = 0, urb_init = 0;
struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue);
u32 height = 0;
u32 size;
height = ((dev->norm & V4L2_STD_625_50) ?
PAL_VBI_LINES : NTSC_VBI_LINES);
buf->vb.size = ((dev->width << 1) * height * 2);
size = ((dev->width << 1) * height * 2);
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
if (vb2_plane_size(vb, 0) < size)
return -EINVAL;
buf->vb.width = dev->width;
buf->vb.height = height;
buf->vb.field = field;
buf->vb.field = V4L2_FIELD_SEQ_TB;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
rc = videobuf_iolock(vq, &buf->vb, NULL);
if (rc < 0)
goto fail;
}
if (!dev->vbi_mode.bulk_ctl.num_bufs)
urb_init = 1;
if (urb_init) {
rc = cx231xx_init_vbi_isoc(dev, CX231XX_NUM_VBI_PACKETS,
CX231XX_NUM_VBI_BUFS,
dev->vbi_mode.alt_max_pkt_size[0],
cx231xx_isoc_vbi_copy);
if (rc < 0)
goto fail;
}
buf->vb.state = VIDEOBUF_PREPARED;
vb2_set_plane_payload(vb, 0, size);
return 0;
fail:
free_buffer(vq, buf);
return rc;
}
static void
vbi_buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
static void vbi_buf_queue(struct vb2_buffer *vb)
{
struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue);
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
container_of(vb, struct cx231xx_buffer, vb.vb2_buf);
struct cx231xx_dmaqueue *vidq = &dev->vbi_mode.vidq;
unsigned long flags;
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
spin_lock_irqsave(&dev->vbi_mode.slock, flags);
list_add_tail(&buf->list, &vidq->active);
spin_unlock_irqrestore(&dev->vbi_mode.slock, flags);
}
static void return_all_buffers(struct cx231xx *dev,
enum vb2_buffer_state state)
{
struct cx231xx_dmaqueue *vidq = &dev->vbi_mode.vidq;
struct cx231xx_buffer *buf, *node;
unsigned long flags;
spin_lock_irqsave(&dev->vbi_mode.slock, flags);
dev->vbi_mode.bulk_ctl.buf = NULL;
list_for_each_entry_safe(buf, node, &vidq->active, list) {
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, state);
}
spin_unlock_irqrestore(&dev->vbi_mode.slock, flags);
}
static void vbi_buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
static int vbi_start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = vb2_get_drv_priv(vq);
struct cx231xx_dmaqueue *vidq = &dev->vbi_mode.vidq;
int ret;
vidq->sequence = 0;
ret = cx231xx_init_vbi_isoc(dev, CX231XX_NUM_VBI_PACKETS,
CX231XX_NUM_VBI_BUFS,
dev->vbi_mode.alt_max_pkt_size[0],
cx231xx_isoc_vbi_copy);
if (ret)
return_all_buffers(dev, VB2_BUF_STATE_QUEUED);
return ret;
}
static void vbi_stop_streaming(struct vb2_queue *vq)
{
struct cx231xx *dev = vb2_get_drv_priv(vq);
free_buffer(vq, buf);
return_all_buffers(dev, VB2_BUF_STATE_ERROR);
}
const struct videobuf_queue_ops cx231xx_vbi_qops = {
.buf_setup = vbi_buffer_setup,
.buf_prepare = vbi_buffer_prepare,
.buf_queue = vbi_buffer_queue,
.buf_release = vbi_buffer_release,
struct vb2_ops cx231xx_vbi_qops = {
.queue_setup = vbi_queue_setup,
.buf_prepare = vbi_buf_prepare,
.buf_queue = vbi_buf_queue,
.start_streaming = vbi_start_streaming,
.stop_streaming = vbi_stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
/* ------------------------------------------------------------------
......@@ -512,16 +479,15 @@ static inline void vbi_buffer_filled(struct cx231xx *dev,
struct cx231xx_buffer *buf)
{
/* Advice that buffer was filled */
/* dev_dbg(dev->dev, "[%p/%d] wakeup\n", buf, buf->vb.i); */
/* dev_dbg(dev->dev, "[%p/%d] wakeup\n", buf, buf->vb.index); */
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
buf->vb.ts = ktime_get_ns();
buf->vb.sequence = dma_q->sequence++;
buf->vb.vb2_buf.timestamp = ktime_get_ns();
dev->vbi_mode.bulk_ctl.buf = NULL;
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
u32 cx231xx_copy_vbi_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
......@@ -611,11 +577,11 @@ static inline void get_next_vbi_buf(struct cx231xx_dmaqueue *dma_q,
}
/* Get the next buffer */
*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list);
/* Cleans up buffer - Useful for testing for frame/URB loss */
outp = videobuf_to_vmalloc(&(*buf)->vb);
memset(outp, 0, (*buf)->vb.size);
outp = vb2_plane_vaddr(&(*buf)->vb.vb2_buf, 0);
memset(outp, 0, vb2_plane_size(&(*buf)->vb.vb2_buf, 0));
dev->vbi_mode.bulk_ctl.buf = *buf;
......@@ -656,7 +622,7 @@ int cx231xx_do_vbi_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
if (buf == NULL)
return -EINVAL;
p_out_buffer = videobuf_to_vmalloc(&buf->vb);
p_out_buffer = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
if (dma_q->bytes_left_in_line != _line_size) {
current_line_bytes_copied =
......
drivers/media/usb/cx231xx/cx231xx-vbi.h
View file @ 7c617138
......@@ -10,7 +10,7 @@
#ifndef _CX231XX_VBI_H
#define _CX231XX_VBI_H
extern const struct videobuf_queue_ops cx231xx_vbi_qops;
extern struct vb2_ops cx231xx_vbi_qops;
#define NTSC_VBI_START_LINE 10 /* line 10 - 21 */
#define NTSC_VBI_END_LINE 21
......
drivers/media/usb/cx231xx/cx231xx-video.c
View file @ 7c617138
......@@ -58,10 +58,10 @@ MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
MODULE_VERSION(CX231XX_VERSION);
static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = -1U };
module_param_array(card, int, NULL, 0444);
module_param_array(video_nr, int, NULL, 0444);
......@@ -166,18 +166,19 @@ static inline void buffer_filled(struct cx231xx *dev,
struct cx231xx_buffer *buf)
{
/* Advice that buffer was filled */
cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
buf->vb.ts = ktime_get_ns();
cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.vb2_buf.index);
buf->vb.sequence = dma_q->sequence++;
buf->vb.field = V4L2_FIELD_INTERLACED;
buf->vb.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->vb.vb2_buf, 0, dev->size);
if (dev->USE_ISO)
dev->video_mode.isoc_ctl.buf = NULL;
else
dev->video_mode.bulk_ctl.buf = NULL;
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
}
static inline void print_err_status(struct cx231xx *dev, int packet, int status)
......@@ -241,11 +242,11 @@ static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
}
/* Get the next buffer */
*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list);
/* Cleans up buffer - Useful for testing for frame/URB loss */
outp = videobuf_to_vmalloc(&(*buf)->vb);
memset(outp, 0, (*buf)->vb.size);
outp = vb2_plane_vaddr(&(*buf)->vb.vb2_buf, 0);
memset(outp, 0, dev->size);
if (dev->USE_ISO)
dev->video_mode.isoc_ctl.buf = *buf;
......@@ -653,7 +654,7 @@ int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
if (buf == NULL)
return -1;
p_out_buffer = videobuf_to_vmalloc(&buf->vb);
p_out_buffer = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
......@@ -672,7 +673,7 @@ int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
bytes_to_copy : dma_q->bytes_left_in_line;
if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + dev->size))
return 0;
/* The below copies the UYVY data straight into video buffer */
......@@ -708,149 +709,98 @@ u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
Videobuf operations
------------------------------------------------------------------*/
static int
buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
static int queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], struct device *alloc_devs[])
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = vb2_get_drv_priv(vq);
*size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
if (0 == *count)
*count = CX231XX_DEF_BUF;
dev->size = (dev->width * dev->height * dev->format->depth + 7) >> 3;
if (*count < CX231XX_MIN_BUF)
*count = CX231XX_MIN_BUF;
if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF)
*nbuffers = CX231XX_MIN_BUF - vq->num_buffers;
cx231xx_enable_analog_tuner(dev);
if (*nplanes)
return sizes[0] < dev->size ? -EINVAL : 0;
*nplanes = 1;
sizes[0] = dev->size;
return 0;
}
/* This is called *without* dev->slock held; please keep it that way */
static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
static void buffer_queue(struct vb2_buffer *vb)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
unsigned long flags = 0;
BUG_ON(in_interrupt());
/* We used to wait for the buffer to finish here, but this didn't work
because, as we were keeping the state as VIDEOBUF_QUEUED,
videobuf_queue_cancel marked it as finished for us.
(Also, it could wedge forever if the hardware was misconfigured.)
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb.vb2_buf);
struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue);
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
unsigned long flags;
This should be safe; by the time we get here, the buffer isn't
queued anymore. If we ever start marking the buffers as
VIDEOBUF_ACTIVE, it won't be, though.
*/
spin_lock_irqsave(&dev->video_mode.slock, flags);
if (dev->USE_ISO) {
if (dev->video_mode.isoc_ctl.buf == buf)
dev->video_mode.isoc_ctl.buf = NULL;
} else {
if (dev->video_mode.bulk_ctl.buf == buf)
dev->video_mode.bulk_ctl.buf = NULL;
}
list_add_tail(&buf->list, &vidq->active);
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
static int
buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
enum v4l2_field field)
static void return_all_buffers(struct cx231xx *dev,
enum vb2_buffer_state state)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = fh->dev;
int rc = 0, urb_init = 0;
/* The only currently supported format is 16 bits/pixel */
buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
+ 7) >> 3;
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
return -EINVAL;
buf->vb.width = dev->width;
buf->vb.height = dev->height;
buf->vb.field = field;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
rc = videobuf_iolock(vq, &buf->vb, NULL);
if (rc < 0)
goto fail;
}
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
struct cx231xx_buffer *buf, *node;
unsigned long flags;
if (dev->USE_ISO) {
if (!dev->video_mode.isoc_ctl.num_bufs)
urb_init = 1;
} else {
if (!dev->video_mode.bulk_ctl.num_bufs)
urb_init = 1;
}
dev_dbg(dev->dev,
"urb_init=%d dev->video_mode.max_pkt_size=%d\n",
urb_init, dev->video_mode.max_pkt_size);
if (urb_init) {
dev->mode_tv = 0;
if (dev->USE_ISO)
rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_isoc_copy);
else
rc = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_bulk_copy);
if (rc < 0)
goto fail;
spin_lock_irqsave(&dev->video_mode.slock, flags);
if (dev->USE_ISO)
dev->video_mode.isoc_ctl.buf = NULL;
else
dev->video_mode.bulk_ctl.buf = NULL;
list_for_each_entry_safe(buf, node, &vidq->active, list) {
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, state);
}
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
fail:
free_buffer(vq, buf);
return rc;
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
}
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
static int start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = vb2_get_drv_priv(vq);
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
int ret = 0;
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
vidq->sequence = 0;
dev->mode_tv = 0;
cx231xx_enable_analog_tuner(dev);
if (dev->USE_ISO)
ret = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_isoc_copy);
else
ret = cx231xx_init_bulk(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_bulk_copy);
if (ret)
return_all_buffers(dev, VB2_BUF_STATE_QUEUED);
call_all(dev, video, s_stream, 1);
return ret;
}
static void buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
static void stop_streaming(struct vb2_queue *vq)
{
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = (struct cx231xx *)fh->dev;
cx231xx_isocdbg("cx231xx: called buffer_release\n");
struct cx231xx *dev = vb2_get_drv_priv(vq);
free_buffer(vq, buf);
call_all(dev, video, s_stream, 0);
return_all_buffers(dev, VB2_BUF_STATE_ERROR);
}
static const struct videobuf_queue_ops cx231xx_video_qops = {
.buf_setup = buffer_setup,
.buf_prepare = buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = buffer_release,
static struct vb2_ops cx231xx_video_qops = {
.queue_setup = queue_setup,
.buf_queue = buffer_queue,
.start_streaming = start_streaming,
.stop_streaming = stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
/********************* v4l2 interface **************************************/
......@@ -872,58 +822,6 @@ void video_mux(struct cx231xx *dev, int index)
cx231xx_do_mode_ctrl_overrides(dev);
}
/* Usage lock check functions */
static int res_get(struct cx231xx_fh *fh)
{
struct cx231xx *dev = fh->dev;
int rc = 0;
/* This instance already has stream_on */
if (fh->stream_on)
return rc;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
if (dev->stream_on)
return -EBUSY;
dev->stream_on = 1;
} else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
if (dev->vbi_stream_on)
return -EBUSY;
dev->vbi_stream_on = 1;
} else
return -EINVAL;
fh->stream_on = 1;
return rc;
}
static int res_check(struct cx231xx_fh *fh)
{
return fh->stream_on;
}
static void res_free(struct cx231xx_fh *fh)
{
struct cx231xx *dev = fh->dev;
fh->stream_on = 0;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
dev->stream_on = 0;
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
dev->vbi_stream_on = 0;
}
static int check_dev(struct cx231xx *dev)
{
if (dev->state & DEV_DISCONNECTED) {
dev_err(dev->dev, "v4l2 ioctl: device not present\n");
return -ENODEV;
}
return 0;
}
/* ------------------------------------------------------------------
IOCTL vidioc handling
------------------------------------------------------------------*/
......@@ -931,8 +829,7 @@ static int check_dev(struct cx231xx *dev)
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
......@@ -960,8 +857,7 @@ static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
unsigned int width = f->fmt.pix.width;
unsigned int height = f->fmt.pix.height;
unsigned int maxw = norm_maxw(dev);
......@@ -993,39 +889,25 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
struct cx231xx_fmt *fmt;
struct cx231xx *dev = video_drvdata(file);
struct v4l2_subdev_format format = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
int rc;
rc = check_dev(dev);
if (rc < 0)
rc = vidioc_try_fmt_vid_cap(file, priv, f);
if (rc)
return rc;
vidioc_try_fmt_vid_cap(file, priv, f);
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
if (!fmt)
return -EINVAL;
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
if (vb2_is_busy(&dev->vidq)) {
dev_err(dev->dev, "%s: queue busy\n", __func__);
return -EBUSY;
}
if (dev->stream_on && !fh->stream_on) {
dev_err(dev->dev,
"%s: device in use by another fh\n", __func__);
return -EBUSY;
}
/* set new image size */
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;
dev->format = fmt;
dev->format = format_by_fourcc(f->fmt.pix.pixelformat);
v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
call_all(dev, pad, set_fmt, NULL, &format);
......@@ -1036,8 +918,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
*id = dev->norm;
return 0;
......@@ -1045,21 +926,15 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
struct v4l2_subdev_format format = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (dev->norm == norm)
return 0;
if (videobuf_queue_is_busy(&fh->vb_vidq))
if (vb2_is_busy(&dev->vidq))
return -EBUSY;
dev->norm = norm;
......@@ -1141,8 +1016,7 @@ void cx231xx_v4l2_create_entities(struct cx231xx *dev)
int cx231xx_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
u32 gen_stat;
unsigned int n;
int ret;
......@@ -1181,8 +1055,7 @@ int cx231xx_enum_input(struct file *file, void *priv,
int cx231xx_g_input(struct file *file, void *priv, unsigned int *i)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
*i = dev->video_input;
......@@ -1191,14 +1064,9 @@ int cx231xx_g_input(struct file *file, void *priv, unsigned int *i)
int cx231xx_s_input(struct file *file, void *priv, unsigned int i)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
struct cx231xx *dev = video_drvdata(file);
dev->mode_tv = 0;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (i >= MAX_CX231XX_INPUT)
return -EINVAL;
......@@ -1220,13 +1088,7 @@ int cx231xx_s_input(struct file *file, void *priv, unsigned int i)
int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
struct cx231xx *dev = video_drvdata(file);
if (0 != t->index)
return -EINVAL;
......@@ -1244,27 +1106,15 @@ int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (0 != t->index)
return -EINVAL;
#if 0
call_all(dev, tuner, s_tuner, t);
#endif
return 0;
}
int cx231xx_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
if (f->tuner)
return -EINVAL;
......@@ -1277,8 +1127,7 @@ int cx231xx_g_frequency(struct file *file, void *priv,
int cx231xx_s_frequency(struct file *file, void *priv,
const struct v4l2_frequency *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
struct v4l2_frequency new_freq = *f;
int rc;
u32 if_frequency = 5400000;
......@@ -1287,10 +1136,6 @@ int cx231xx_s_frequency(struct file *file, void *priv,
"Enter vidioc_s_frequency()f->frequency=%d;f->type=%d\n",
f->frequency, f->type);
rc = check_dev(dev);
if (rc < 0)
return rc;
if (0 != f->tuner)
return -EINVAL;
......@@ -1365,8 +1210,7 @@ int cx231xx_g_chip_info(struct file *file, void *fh,
int cx231xx_g_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
int ret;
u8 value[4] = { 0, 0, 0, 0 };
u32 data = 0;
......@@ -1424,8 +1268,7 @@ int cx231xx_g_register(struct file *file, void *priv,
int cx231xx_s_register(struct file *file, void *priv,
const struct v4l2_dbg_register *reg)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
int ret;
u8 data[4] = { 0, 0, 0, 0 };
......@@ -1472,8 +1315,7 @@ int cx231xx_s_register(struct file *file, void *priv,
static int vidioc_g_pixelaspect(struct file *file, void *priv,
int type, struct v4l2_fract *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
bool is_50hz = dev->norm & V4L2_STD_625_50;
if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
......@@ -1488,8 +1330,7 @@ static int vidioc_g_pixelaspect(struct file *file, void *priv,
static int vidioc_g_selection(struct file *file, void *priv,
struct v4l2_selection *s)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
......@@ -1508,54 +1349,10 @@ static int vidioc_g_selection(struct file *file, void *priv,
return 0;
}
static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
rc = res_get(fh);
if (likely(rc >= 0))
rc = videobuf_streamon(&fh->vb_vidq);
call_all(dev, video, s_stream, 1);
return rc;
}
static int vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (type != fh->type)
return -EINVAL;
cx25840_call(dev, video, s_stream, 0);
videobuf_streamoff(&fh->vb_vidq);
res_free(fh);
return 0;
}
int cx231xx_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
strscpy(cap->driver, "cx231xx", sizeof(cap->driver));
strscpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
......@@ -1587,8 +1384,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
f->fmt.vbi.sampling_rate = 6750000 * 4;
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
......@@ -1610,8 +1406,7 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(file);
f->fmt.vbi.sampling_rate = 6750000 * 4;
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
......@@ -1634,77 +1429,16 @@ static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
if (dev->vbi_stream_on && !fh->stream_on) {
dev_err(dev->dev,
"%s device in use by another fh\n", __func__);
return -EBUSY;
}
return vidioc_try_fmt_vbi_cap(file, priv, f);
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_reqbufs(&fh->vb_vidq, rb);
}
static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_querybuf(&fh->vb_vidq, b);
}
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_qbuf(&fh->vb_vidq, b);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
}
/* ----------------------------------------------------------- */
/* RADIO ESPECIFIC IOCTLS */
/* ----------------------------------------------------------- */
static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
struct cx231xx *dev = video_drvdata(file);
if (t->index)
return -EINVAL;
......@@ -1717,7 +1451,7 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
}
static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t)
{
struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
struct cx231xx *dev = video_drvdata(file);
if (t->index)
return -EINVAL;
......@@ -1733,52 +1467,20 @@ static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner
*/
static int cx231xx_v4l2_open(struct file *filp)
{
int radio = 0;
struct video_device *vdev = video_devdata(filp);
struct cx231xx *dev = video_drvdata(filp);
struct cx231xx_fh *fh;
enum v4l2_buf_type fh_type = 0;
switch (vdev->vfl_type) {
case VFL_TYPE_GRABBER:
fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
break;
case VFL_TYPE_VBI:
fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
break;
case VFL_TYPE_RADIO:
radio = 1;
break;
default:
return -EINVAL;
}
cx231xx_videodbg("open dev=%s type=%s users=%d\n",
video_device_node_name(vdev), v4l2_type_names[fh_type],
dev->users);
#if 0
errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
if (errCode < 0) {
dev_err(dev->dev,
"Device locked on digital mode. Can't open analog\n");
return -EBUSY;
}
#endif
int ret;
fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
if (!fh)
return -ENOMEM;
if (mutex_lock_interruptible(&dev->lock)) {
kfree(fh);
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
ret = v4l2_fh_open(filp);
if (ret) {
mutex_unlock(&dev->lock);
return ret;
}
fh->dev = dev;
fh->type = fh_type;
filp->private_data = fh;
v4l2_fh_init(&fh->fh, vdev);
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
if (dev->users++ == 0) {
/* Power up in Analog TV mode */
if (dev->board.external_av)
cx231xx_set_power_mode(dev,
......@@ -1786,10 +1488,6 @@ static int cx231xx_v4l2_open(struct file *filp)
else
cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
#if 0
cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
#endif
/* set video alternate setting */
cx231xx_set_video_alternate(dev);
......@@ -1799,38 +1497,21 @@ static int cx231xx_v4l2_open(struct file *filp)
/* device needs to be initialized before isoc transfer */
dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
}
if (radio) {
if (vdev->vfl_type == VFL_TYPE_RADIO) {
cx231xx_videodbg("video_open: setting radio device\n");
/* cx231xx_start_radio(dev); */
call_all(dev, tuner, s_radio);
}
dev->users++;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
NULL, &dev->video_mode.slock,
fh->type, V4L2_FIELD_INTERLACED,
sizeof(struct cx231xx_buffer),
fh, &dev->lock);
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
if (vdev->vfl_type == VFL_TYPE_VBI) {
/* Set the required alternate setting VBI interface works in
Bulk mode only */
cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
NULL, &dev->vbi_mode.slock,
fh->type, V4L2_FIELD_SEQ_TB,
sizeof(struct cx231xx_buffer),
fh, &dev->lock);
}
mutex_unlock(&dev->lock);
v4l2_fh_add(&fh->fh);
return 0;
}
......@@ -1871,68 +1552,12 @@ void cx231xx_release_analog_resources(struct cx231xx *dev)
*/
static int cx231xx_close(struct file *filp)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
cx231xx_videodbg("users=%d\n", dev->users);
cx231xx_videodbg("users=%d\n", dev->users);
if (res_check(fh))
res_free(fh);
/*
* To workaround error number=-71 on EP0 for VideoGrabber,
* need exclude following.
* FIXME: It is probably safe to remove most of these, as we're
* now avoiding the alternate setting for INDEX_VANC
*/
if (!dev->board.no_alt_vanc)
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
videobuf_stop(&fh->vb_vidq);
videobuf_mmap_free(&fh->vb_vidq);
/* the device is already disconnect,
free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
if (atomic_read(&dev->devlist_count) > 0) {
cx231xx_release_resources(dev);
fh->dev = NULL;
return 0;
}
return 0;
}
/* do this before setting alternate! */
cx231xx_uninit_vbi_isoc(dev);
/* set alternate 0 */
if (!dev->vbi_or_sliced_cc_mode)
cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
else
cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
v4l2_fh_del(&fh->fh);
v4l2_fh_exit(&fh->fh);
kfree(fh);
dev->users--;
wake_up_interruptible(&dev->open);
return 0;
}
struct cx231xx *dev = video_drvdata(filp);
struct video_device *vdev = video_devdata(filp);
v4l2_fh_del(&fh->fh);
dev->users--;
if (!dev->users) {
videobuf_stop(&fh->vb_vidq);
videobuf_mmap_free(&fh->vb_vidq);
/* the device is already disconnect,
free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
cx231xx_release_resources(dev);
fh->dev = NULL;
return 0;
}
_vb2_fop_release(filp, NULL);
if (--dev->users == 0) {
/* Save some power by putting tuner to sleep */
call_all(dev, tuner, standby);
......@@ -1942,20 +1567,40 @@ static int cx231xx_close(struct file *filp)
else
cx231xx_uninit_bulk(dev);
cx231xx_set_mode(dev, CX231XX_SUSPEND);
}
/*
* To workaround error number=-71 on EP0 for VideoGrabber,
* need exclude following.
* FIXME: It is probably safe to remove most of these, as we're
* now avoiding the alternate setting for INDEX_VANC
*/
if (!dev->board.no_alt_vanc && vdev->vfl_type == VFL_TYPE_VBI) {
/* do this before setting alternate! */
cx231xx_uninit_vbi_isoc(dev);
/* set alternate 0 */
if (!dev->vbi_or_sliced_cc_mode)
cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
else
cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
wake_up_interruptible_nr(&dev->open, 1);
return 0;
}
if (dev->users == 0) {
/* set alternate 0 */
cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
}
v4l2_fh_exit(&fh->fh);
kfree(fh);
wake_up_interruptible(&dev->open);
return 0;
}
static int cx231xx_v4l2_close(struct file *filp)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
struct cx231xx *dev = video_drvdata(filp);
int rc;
mutex_lock(&dev->lock);
......@@ -1964,116 +1609,13 @@ static int cx231xx_v4l2_close(struct file *filp)
return rc;
}
/*
* cx231xx_v4l2_read()
* will allocate buffers when called for the first time
*/
static ssize_t
cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
loff_t *pos)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
(fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
rc = res_get(fh);
if (unlikely(rc < 0))
return rc;
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
rc = videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
filp->f_flags & O_NONBLOCK);
mutex_unlock(&dev->lock);
return rc;
}
return 0;
}
/*
* cx231xx_v4l2_poll()
* will allocate buffers when called for the first time
*/
static __poll_t cx231xx_v4l2_poll(struct file *filp, poll_table *wait)
{
__poll_t req_events = poll_requested_events(wait);
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
__poll_t res = 0;
int rc;
rc = check_dev(dev);
if (rc < 0)
return EPOLLERR;
rc = res_get(fh);
if (unlikely(rc < 0))
return EPOLLERR;
if (v4l2_event_pending(&fh->fh))
res |= EPOLLPRI;
else
poll_wait(filp, &fh->fh.wait, wait);
if (!(req_events & (EPOLLIN | EPOLLRDNORM)))
return res;
if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
(V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)) {
mutex_lock(&dev->lock);
res |= videobuf_poll_stream(filp, &fh->vb_vidq, wait);
mutex_unlock(&dev->lock);
return res;
}
return res | EPOLLERR;
}
/*
* cx231xx_v4l2_mmap()
*/
static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
rc = res_get(fh);
if (unlikely(rc < 0))
return rc;
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
mutex_unlock(&dev->lock);
cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
(unsigned long)vma->vm_start,
(unsigned long)vma->vm_end -
(unsigned long)vma->vm_start, rc);
return rc;
}
static const struct v4l2_file_operations cx231xx_v4l_fops = {
.owner = THIS_MODULE,
.open = cx231xx_v4l2_open,
.release = cx231xx_v4l2_close,
.read = cx231xx_v4l2_read,
.poll = cx231xx_v4l2_poll,
.mmap = cx231xx_v4l2_mmap,
.read = vb2_fop_read,
.poll = vb2_fop_poll,
.mmap = vb2_fop_mmap,
.unlocked_ioctl = video_ioctl2,
};
......@@ -2088,17 +1630,17 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_s_fmt_vbi_cap = vidioc_s_fmt_vbi_cap,
.vidioc_g_pixelaspect = vidioc_g_pixelaspect,
.vidioc_g_selection = vidioc_g_selection,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_reqbufs = vb2_ioctl_reqbufs,
.vidioc_querybuf = vb2_ioctl_querybuf,
.vidioc_qbuf = vb2_ioctl_qbuf,
.vidioc_dqbuf = vb2_ioctl_dqbuf,
.vidioc_s_std = vidioc_s_std,
.vidioc_g_std = vidioc_g_std,
.vidioc_enum_input = cx231xx_enum_input,
.vidioc_g_input = cx231xx_g_input,
.vidioc_s_input = cx231xx_s_input,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_streamon = vb2_ioctl_streamon,
.vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_g_tuner = cx231xx_g_tuner,
.vidioc_s_tuner = cx231xx_s_tuner,
.vidioc_g_frequency = cx231xx_g_frequency,
......@@ -2175,6 +1717,7 @@ static void cx231xx_vdev_init(struct cx231xx *dev,
int cx231xx_register_analog_devices(struct cx231xx *dev)
{
struct vb2_queue *q;
int ret;
dev_info(dev->dev, "v4l2 driver version %s\n", CX231XX_VERSION);
......@@ -2221,6 +1764,21 @@ int cx231xx_register_analog_devices(struct cx231xx *dev)
dev_err(dev->dev, "failed to initialize video media entity!\n");
#endif
dev->vdev.ctrl_handler = &dev->ctrl_handler;
q = &dev->vidq;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx231xx_buffer);
q->ops = &cx231xx_video_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->min_buffers_needed = 1;
q->lock = &dev->lock;
ret = vb2_queue_init(q);
if (ret)
return ret;
dev->vdev.queue = q;
dev->vdev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VIDEO_CAPTURE;
if (dev->tuner_type != TUNER_ABSENT)
......@@ -2254,6 +1812,21 @@ int cx231xx_register_analog_devices(struct cx231xx *dev)
dev_err(dev->dev, "failed to initialize vbi media entity!\n");
#endif
dev->vbi_dev.ctrl_handler = &dev->ctrl_handler;
q = &dev->vbiq;
q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx231xx_buffer);
q->ops = &cx231xx_vbi_qops;
q->mem_ops = &vb2_vmalloc_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->min_buffers_needed = 1;
q->lock = &dev->lock;
ret = vb2_queue_init(q);
if (ret)
return ret;
dev->vbi_dev.queue = q;
dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VBI_CAPTURE;
if (dev->tuner_type != TUNER_ABSENT)
......
drivers/media/usb/cx231xx/cx231xx.h
View file @ 7c617138
......@@ -20,7 +20,7 @@
#include <media/drv-intf/cx2341x.h>
#include <media/videobuf-vmalloc.h>
#include <media/videobuf2-vmalloc.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.h>
......@@ -223,8 +223,8 @@ struct cx231xx_fmt {
/* buffer for one video frame */
struct cx231xx_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
struct vb2_v4l2_buffer vb;
struct list_head list;
struct list_head frame;
int top_field;
int receiving;
......@@ -237,7 +237,6 @@ enum ps_package_head {
struct cx231xx_dmaqueue {
struct list_head active;
struct list_head queued;
wait_queue_head_t wq;
......@@ -251,6 +250,7 @@ struct cx231xx_dmaqueue {
u32 lines_completed;
u8 field1_done;
u32 lines_per_field;
u32 sequence;
/*Mpeg2 control buffer*/
u8 *p_left_data;
......@@ -427,23 +427,6 @@ struct cx231xx_audio {
struct cx231xx;
struct cx231xx_fh {
struct v4l2_fh fh;
struct cx231xx *dev;
unsigned int stream_on:1; /* Locks streams */
enum v4l2_buf_type type;
struct videobuf_queue vb_vidq;
/* vbi capture */
struct videobuf_queue vidq;
struct videobuf_queue vbiq;
/* MPEG Encoder specifics ONLY */
atomic_t v4l_reading;
};
/*****************************************************************/
/* set/get i2c */
/* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
......@@ -634,6 +617,7 @@ struct cx231xx {
int width; /* current frame width */
int height; /* current frame height */
int interlaced; /* 1=interlace fields, 0=just top fields */
unsigned int size;
struct cx231xx_audio adev;
......@@ -657,6 +641,9 @@ struct cx231xx {
struct media_pad input_pad[MAX_CX231XX_INPUT];
#endif
struct vb2_queue vidq;
struct vb2_queue vbiq;
unsigned char eedata[256];
struct cx231xx_video_mode video_mode;
......@@ -717,6 +704,7 @@ struct cx231xx {
u8 USE_ISO;
struct cx231xx_tvnorm encodernorm;
struct cx231xx_tsport ts1, ts2;
struct vb2_queue mpegq;
struct video_device v4l_device;
atomic_t v4l_reader_count;
u32 freq;
......
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