mirror of https://gitee.com/openkylin/linux.git
[media] s2255drv: upgrade to videobuf2
Upgrade to videobuf2 libraries. No errors reported with "v4l2-compliance -s". Signed-off-by: Dean Anderson <linux-dev@sensoray.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
parent
6a859e09c4
commit
340a30c514
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@ -45,14 +45,14 @@
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#include <linux/mm.h>
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#include <linux/vmalloc.h>
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#include <linux/usb.h>
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#include <media/videobuf-vmalloc.h>
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#include <media/videobuf2-vmalloc.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-event.h>
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#define S2255_VERSION "1.24.1"
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#define S2255_VERSION "1.25.1"
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#define FIRMWARE_FILE_NAME "f2255usb.bin"
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/* default JPEG quality */
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@ -229,8 +229,6 @@ struct s2255_vc {
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struct v4l2_captureparm cap_parm;
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int cur_frame;
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int last_frame;
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int b_acquire;
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/* allocated image size */
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unsigned long req_image_size;
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/* received packet size */
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@ -249,8 +247,12 @@ struct s2255_vc {
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int vidstatus_ready;
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unsigned int width;
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unsigned int height;
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enum v4l2_field field;
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const struct s2255_fmt *fmt;
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int idx; /* channel number on device, 0-3 */
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struct vb2_queue vb_vidq;
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struct mutex vb_lock; /* streaming lock */
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spinlock_t qlock;
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};
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@ -270,7 +272,6 @@ struct s2255_dev {
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u32 cc; /* current channel */
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int frame_ready;
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int chn_ready;
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spinlock_t slock;
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/* dsp firmware version (f2255usb.bin) */
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int dsp_fw_ver;
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u16 pid; /* product id */
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@ -292,16 +293,10 @@ struct s2255_fmt {
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/* buffer for one video frame */
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struct s2255_buffer {
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/* common v4l buffer stuff -- must be first */
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struct videobuf_buffer vb;
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struct vb2_buffer vb;
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struct list_head list;
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};
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struct s2255_fh {
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/* this must be the first field in this struct */
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struct v4l2_fh fh;
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struct videobuf_queue vb_vidq;
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struct s2255_vc *vc;
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int resources;
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};
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/* current cypress EEPROM firmware version */
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#define S2255_CUR_USB_FWVER ((3 << 8) | 12)
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@ -569,21 +564,20 @@ static int s2255_got_frame(struct s2255_vc *vc, int jpgsize)
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struct s2255_dev *dev = to_s2255_dev(vc->vdev.v4l2_dev);
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unsigned long flags = 0;
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int rc = 0;
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spin_lock_irqsave(&dev->slock, flags);
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spin_lock_irqsave(&vc->qlock, flags);
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if (list_empty(&vc->buf_list)) {
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dprintk(dev, 1, "No active queue to serve\n");
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rc = -1;
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goto unlock;
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}
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buf = list_entry(vc->buf_list.next,
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struct s2255_buffer, vb.queue);
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list_del(&buf->vb.queue);
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v4l2_get_timestamp(&buf->vb.ts);
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struct s2255_buffer, list);
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list_del(&buf->list);
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v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
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s2255_fillbuff(vc, buf, jpgsize);
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wake_up(&buf->vb.done);
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dprintk(dev, 2, "%s: [buf/i] [%p/%d]\n", __func__, buf, buf->vb.i);
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dprintk(dev, 2, "%s: [buf] [%p]\n", __func__, buf);
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unlock:
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spin_unlock_irqrestore(&dev->slock, flags);
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spin_unlock_irqrestore(&vc->qlock, flags);
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return rc;
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}
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@ -615,7 +609,7 @@ static void s2255_fillbuff(struct s2255_vc *vc,
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{
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int pos = 0;
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const char *tmpbuf;
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char *vbuf = videobuf_to_vmalloc(&buf->vb);
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char *vbuf = vb2_plane_vaddr(&buf->vb, 0);
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unsigned long last_frame;
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struct s2255_dev *dev = vc->dev;
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@ -629,21 +623,21 @@ static void s2255_fillbuff(struct s2255_vc *vc,
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case V4L2_PIX_FMT_YUYV:
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case V4L2_PIX_FMT_UYVY:
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planar422p_to_yuv_packed((const unsigned char *)tmpbuf,
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vbuf, buf->vb.width,
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buf->vb.height,
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vbuf, vc->width,
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vc->height,
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vc->fmt->fourcc);
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break;
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case V4L2_PIX_FMT_GREY:
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memcpy(vbuf, tmpbuf, buf->vb.width * buf->vb.height);
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memcpy(vbuf, tmpbuf, vc->width * vc->height);
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break;
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case V4L2_PIX_FMT_JPEG:
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case V4L2_PIX_FMT_MJPEG:
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buf->vb.size = jpgsize;
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memcpy(vbuf, tmpbuf, buf->vb.size);
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buf->vb.v4l2_buf.length = jpgsize;
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memcpy(vbuf, tmpbuf, jpgsize);
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break;
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case V4L2_PIX_FMT_YUV422P:
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memcpy(vbuf, tmpbuf,
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buf->vb.width * buf->vb.height * 2);
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vc->width * vc->height * 2);
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break;
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default:
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pr_info("s2255: unknown format?\n");
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@ -656,9 +650,10 @@ static void s2255_fillbuff(struct s2255_vc *vc,
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dprintk(dev, 2, "s2255fill at : Buffer 0x%08lx size= %d\n",
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(unsigned long)vbuf, pos);
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/* tell v4l buffer was filled */
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buf->vb.field_count = vc->frame_count * 2;
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v4l2_get_timestamp(&buf->vb.ts);
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buf->vb.state = VIDEOBUF_DONE;
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buf->vb.v4l2_buf.field = vc->field;
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buf->vb.v4l2_buf.sequence = vc->frame_count;
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v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
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vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
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}
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@ -666,36 +661,27 @@ static void s2255_fillbuff(struct s2255_vc *vc,
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Videobuf operations
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------------------------------------------------------------------*/
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static int buffer_setup(struct videobuf_queue *vq, unsigned int *nbuffers,
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unsigned int *size)
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static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
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unsigned int *nbuffers, unsigned int *nplanes,
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unsigned int sizes[], void *alloc_ctxs[])
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{
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struct s2255_fh *fh = vq->priv_data;
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struct s2255_vc *vc = fh->vc;
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*size = vc->width * vc->height * (vc->fmt->depth >> 3);
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struct s2255_vc *vc = vb2_get_drv_priv(vq);
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if (*nbuffers < S2255_MIN_BUFS)
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*nbuffers = S2255_MIN_BUFS;
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*nplanes = 1;
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sizes[0] = vc->width * vc->height * (vc->fmt->depth >> 3);
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return 0;
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}
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static void free_buffer(struct videobuf_queue *vq, struct s2255_buffer *buf)
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static int buffer_prepare(struct vb2_buffer *vb)
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{
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videobuf_vmalloc_free(&buf->vb);
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buf->vb.state = VIDEOBUF_NEEDS_INIT;
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}
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static int buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
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enum v4l2_field field)
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{
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struct s2255_fh *fh = vq->priv_data;
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struct s2255_vc *vc = fh->vc;
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struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue);
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struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
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int rc;
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int w = vc->width;
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int h = vc->height;
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dprintk(vc->dev, 4, "%s, field=%d\n", __func__, field);
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unsigned long size;
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dprintk(vc->dev, 4, "%s\n", __func__);
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if (vc->fmt == NULL)
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return -EINVAL;
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dprintk(vc->dev, 4, "invalid buffer prepare\n");
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return -EINVAL;
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}
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buf->vb.size = w * h * (vc->fmt->depth >> 3);
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if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) {
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size = w * h * (vc->fmt->depth >> 3);
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if (vb2_plane_size(vb, 0) < size) {
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dprintk(vc->dev, 4, "invalid buffer prepare\n");
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return -EINVAL;
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}
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buf->vb.width = w;
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buf->vb.height = h;
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buf->vb.field = field;
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if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
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rc = videobuf_iolock(vq, &buf->vb, NULL);
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if (rc < 0)
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goto fail;
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}
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buf->vb.state = VIDEOBUF_PREPARED;
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vb2_set_plane_payload(&buf->vb, 0, size);
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return 0;
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fail:
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free_buffer(vq, buf);
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return rc;
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}
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static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
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static void buffer_queue(struct vb2_buffer *vb)
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{
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struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
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struct s2255_fh *fh = vq->priv_data;
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struct s2255_vc *vc = fh->vc;
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struct s2255_vc *vc = vb2_get_drv_priv(vb->vb2_queue);
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unsigned long flags = 0;
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dprintk(vc->dev, 1, "%s\n", __func__);
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buf->vb.state = VIDEOBUF_QUEUED;
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list_add_tail(&buf->vb.queue, &vc->buf_list);
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spin_lock_irqsave(&vc->qlock, flags);
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list_add_tail(&buf->list, &vc->buf_list);
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spin_unlock_irqrestore(&vc->qlock, flags);
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}
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static void buffer_release(struct videobuf_queue *vq,
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struct videobuf_buffer *vb)
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{
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struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
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struct s2255_fh *fh = vq->priv_data;
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struct s2255_vc *vc = fh->vc;
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dprintk(vc->dev, 4, "%s %d\n", __func__, vc->idx);
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free_buffer(vq, buf);
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}
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static int start_streaming(struct vb2_queue *vq, unsigned int count);
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static int stop_streaming(struct vb2_queue *vq);
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static struct videobuf_queue_ops s2255_video_qops = {
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.buf_setup = buffer_setup,
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static struct vb2_ops s2255_video_qops = {
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.queue_setup = queue_setup,
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.buf_prepare = buffer_prepare,
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.buf_queue = buffer_queue,
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.buf_release = buffer_release,
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.start_streaming = start_streaming,
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.stop_streaming = stop_streaming,
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.wait_prepare = vb2_ops_wait_prepare,
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.wait_finish = vb2_ops_wait_finish,
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};
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static int res_get(struct s2255_fh *fh)
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{
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struct s2255_vc *vc = fh->vc;
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/* is it free? */
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if (vc->resources)
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return 0; /* no, someone else uses it */
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/* it's free, grab it */
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vc->resources = 1;
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fh->resources = 1;
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dprintk(vc->dev, 1, "s2255: res: get\n");
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return 1;
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}
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static int res_locked(struct s2255_fh *fh)
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{
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return fh->vc->resources;
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}
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static int res_check(struct s2255_fh *fh)
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{
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return fh->resources;
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}
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static void res_free(struct s2255_fh *fh)
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{
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struct s2255_vc *vc = fh->vc;
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vc->resources = 0;
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fh->resources = 0;
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}
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static int vidioc_querycap(struct file *file, void *priv,
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struct v4l2_capability *cap)
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{
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struct s2255_fh *fh = file->private_data;
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struct s2255_dev *dev = fh->vc->dev;
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struct s2255_vc *vc = video_drvdata(file);
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struct s2255_dev *dev = vc->dev;
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strlcpy(cap->driver, "s2255", sizeof(cap->driver));
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strlcpy(cap->card, "s2255", sizeof(cap->card));
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usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
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cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
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cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
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V4L2_CAP_READWRITE;
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cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
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return 0;
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}
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@ -820,8 +759,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
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static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
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struct v4l2_format *f)
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{
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struct s2255_fh *fh = priv;
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struct s2255_vc *vc = fh->vc;
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struct s2255_vc *vc = video_drvdata(file);
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int is_ntsc = vc->std & V4L2_STD_525_60;
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f->fmt.pix.width = vc->width;
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@ -844,8 +782,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
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{
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const struct s2255_fmt *fmt;
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enum v4l2_field field;
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struct s2255_fh *fh = priv;
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struct s2255_vc *vc = fh->vc;
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struct s2255_vc *vc = video_drvdata(file);
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int is_ntsc = vc->std & V4L2_STD_525_60;
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fmt = format_by_fourcc(f->fmt.pix.pixelformat);
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@ -905,14 +842,13 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
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static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
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struct v4l2_format *f)
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{
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struct s2255_fh *fh = priv;
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struct s2255_vc *vc = fh->vc;
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struct s2255_vc *vc = video_drvdata(file);
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const struct s2255_fmt *fmt;
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struct videobuf_queue *q = &fh->vb_vidq;
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struct vb2_queue *q = &vc->vb_vidq;
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struct s2255_mode mode;
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int ret;
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ret = vidioc_try_fmt_vid_cap(file, fh, f);
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ret = vidioc_try_fmt_vid_cap(file, vc, f);
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if (ret < 0)
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return ret;
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@ -922,24 +858,16 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
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if (fmt == NULL)
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return -EINVAL;
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mutex_lock(&q->vb_lock);
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if (videobuf_queue_is_busy(&fh->vb_vidq)) {
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if (vb2_is_busy(q)) {
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dprintk(vc->dev, 1, "queue busy\n");
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ret = -EBUSY;
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goto out_s_fmt;
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return -EBUSY;
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}
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if (res_locked(fh)) {
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dprintk(vc->dev, 1, "%s: channel busy\n", __func__);
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ret = -EBUSY;
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goto out_s_fmt;
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}
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mode = vc->mode;
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vc->fmt = fmt;
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vc->width = f->fmt.pix.width;
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vc->height = f->fmt.pix.height;
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fh->vb_vidq.field = f->fmt.pix.field;
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vc->field = f->fmt.pix.field;
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if (vc->width > norm_minw(vc)) {
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if (vc->height > norm_minh(vc)) {
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if (vc->cap_parm.capturemode &
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@ -984,44 +912,9 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
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mode.restart = 1;
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vc->mode = mode;
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(void) s2255_set_mode(vc, &mode);
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ret = 0;
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out_s_fmt:
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mutex_unlock(&q->vb_lock);
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return ret;
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return 0;
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}
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static int vidioc_reqbufs(struct file *file, void *priv,
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struct v4l2_requestbuffers *p)
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{
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int rc;
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struct s2255_fh *fh = priv;
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rc = videobuf_reqbufs(&fh->vb_vidq, p);
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return rc;
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}
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static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
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{
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int rc;
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struct s2255_fh *fh = priv;
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rc = videobuf_querybuf(&fh->vb_vidq, p);
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return rc;
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}
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static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
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{
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int rc;
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struct s2255_fh *fh = priv;
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rc = videobuf_qbuf(&fh->vb_vidq, p);
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return rc;
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}
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|
||||
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
|
||||
{
|
||||
int rc;
|
||||
struct s2255_fh *fh = priv;
|
||||
rc = videobuf_dqbuf(&fh->vb_vidq, p, file->f_flags & O_NONBLOCK);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* write to the configuration pipe, synchronously */
|
||||
static int s2255_write_config(struct usb_device *udev, unsigned char *pbuf,
|
||||
|
@ -1199,24 +1092,11 @@ static int s2255_cmd_status(struct s2255_vc *vc, u32 *pstatus)
|
|||
return res;
|
||||
}
|
||||
|
||||
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
|
||||
static int start_streaming(struct vb2_queue *vq, unsigned int count)
|
||||
{
|
||||
int res;
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_dev *dev = vc->dev;
|
||||
struct s2255_vc *vc = vb2_get_drv_priv(vq);
|
||||
int j;
|
||||
|
||||
dprintk(dev, 4, "%s\n", __func__);
|
||||
if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
||||
dev_err(&dev->udev->dev, "invalid fh type1\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!res_get(fh)) {
|
||||
s2255_dev_err(&dev->udev->dev, "stream busy\n");
|
||||
return -EBUSY;
|
||||
}
|
||||
vc->last_frame = -1;
|
||||
vc->bad_payload = 0;
|
||||
vc->cur_frame = 0;
|
||||
|
@ -1225,48 +1105,40 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
|
|||
vc->buffer.frame[j].ulState = S2255_READ_IDLE;
|
||||
vc->buffer.frame[j].cur_size = 0;
|
||||
}
|
||||
res = videobuf_streamon(&fh->vb_vidq);
|
||||
if (res != 0) {
|
||||
res_free(fh);
|
||||
return res;
|
||||
}
|
||||
res = s2255_start_acquire(vc);
|
||||
if (res != 0) {
|
||||
res_free(fh);
|
||||
return res;
|
||||
}
|
||||
vc->b_acquire = 1;
|
||||
return res;
|
||||
return s2255_start_acquire(vc);
|
||||
}
|
||||
|
||||
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
|
||||
/* abort streaming and wait for last buffer */
|
||||
static int stop_streaming(struct vb2_queue *vq)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
dprintk(vc->dev, 4, "%s\n, channel: %d", __func__, vc->idx);
|
||||
|
||||
if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
s2255_stop_acquire(vc);
|
||||
videobuf_streamoff(&fh->vb_vidq);
|
||||
res_free(fh);
|
||||
struct s2255_vc *vc = vb2_get_drv_priv(vq);
|
||||
struct s2255_buffer *buf, *node;
|
||||
unsigned long flags;
|
||||
(void) s2255_stop_acquire(vc);
|
||||
spin_lock_irqsave(&vc->qlock, flags);
|
||||
list_for_each_entry_safe(buf, node, &vc->buf_list, list) {
|
||||
list_del(&buf->list);
|
||||
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
|
||||
dprintk(vc->dev, 2, "[%p/%d] done\n",
|
||||
buf, buf->vb.v4l2_buf.index);
|
||||
}
|
||||
spin_unlock_irqrestore(&vc->qlock, flags);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
struct s2255_mode mode;
|
||||
struct videobuf_queue *q = &fh->vb_vidq;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
int ret = 0;
|
||||
struct vb2_queue *q = &vc->vb_vidq;
|
||||
|
||||
/*
|
||||
* Changing the standard implies a format change, which is not allowed
|
||||
* while buffers for use with streaming have already been allocated.
|
||||
*/
|
||||
if (vb2_is_busy(q))
|
||||
return -EBUSY;
|
||||
|
||||
mutex_lock(&q->vb_lock);
|
||||
if (res_locked(fh)) {
|
||||
dprintk(vc->dev, 1, "can't change standard after started\n");
|
||||
ret = -EBUSY;
|
||||
goto out_s_std;
|
||||
}
|
||||
mode = vc->mode;
|
||||
if (i & V4L2_STD_525_60) {
|
||||
dprintk(vc->dev, 4, "%s 60 Hz\n", __func__);
|
||||
|
@ -1287,22 +1159,17 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i)
|
|||
vc->width = LINE_SZ_4CIFS_PAL;
|
||||
vc->height = NUM_LINES_4CIFS_PAL * 2;
|
||||
}
|
||||
} else {
|
||||
ret = -EINVAL;
|
||||
goto out_s_std;
|
||||
}
|
||||
} else
|
||||
return -EINVAL;
|
||||
vc->std = i;
|
||||
if (mode.restart)
|
||||
s2255_set_mode(vc, &mode);
|
||||
out_s_std:
|
||||
mutex_unlock(&q->vb_lock);
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *i)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
|
||||
*i = vc->std;
|
||||
return 0;
|
||||
|
@ -1318,8 +1185,7 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *i)
|
|||
static int vidioc_enum_input(struct file *file, void *priv,
|
||||
struct v4l2_input *inp)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
struct s2255_dev *dev = vc->dev;
|
||||
u32 status = 0;
|
||||
|
||||
|
@ -1404,8 +1270,7 @@ static int s2255_s_ctrl(struct v4l2_ctrl *ctrl)
|
|||
static int vidioc_g_jpegcomp(struct file *file, void *priv,
|
||||
struct v4l2_jpegcompression *jc)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
|
||||
memset(jc, 0, sizeof(*jc));
|
||||
jc->quality = vc->jpegqual;
|
||||
|
@ -1416,8 +1281,8 @@ static int vidioc_g_jpegcomp(struct file *file, void *priv,
|
|||
static int vidioc_s_jpegcomp(struct file *file, void *priv,
|
||||
const struct v4l2_jpegcompression *jc)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
|
||||
if (jc->quality < 0 || jc->quality > 100)
|
||||
return -EINVAL;
|
||||
v4l2_ctrl_s_ctrl(vc->jpegqual_ctrl, jc->quality);
|
||||
|
@ -1428,13 +1293,14 @@ static int vidioc_s_jpegcomp(struct file *file, void *priv,
|
|||
static int vidioc_g_parm(struct file *file, void *priv,
|
||||
struct v4l2_streamparm *sp)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
__u32 def_num, def_dem;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
|
||||
if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
sp->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
|
||||
sp->parm.capture.capturemode = vc->cap_parm.capturemode;
|
||||
sp->parm.capture.readbuffers = S2255_MIN_BUFS;
|
||||
def_num = (vc->mode.format == FORMAT_NTSC) ? 1001 : 1000;
|
||||
def_dem = (vc->mode.format == FORMAT_NTSC) ? 30000 : 25000;
|
||||
sp->parm.capture.timeperframe.denominator = def_dem;
|
||||
|
@ -1464,8 +1330,7 @@ static int vidioc_g_parm(struct file *file, void *priv,
|
|||
static int vidioc_s_parm(struct file *file, void *priv,
|
||||
struct v4l2_streamparm *sp)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
struct s2255_mode mode;
|
||||
int fdec = FDEC_1;
|
||||
__u32 def_num, def_dem;
|
||||
|
@ -1473,8 +1338,8 @@ static int vidioc_s_parm(struct file *file, void *priv,
|
|||
return -EINVAL;
|
||||
mode = vc->mode;
|
||||
/* high quality capture mode requires a stream restart */
|
||||
if (vc->cap_parm.capturemode
|
||||
!= sp->parm.capture.capturemode && res_locked(fh))
|
||||
if ((vc->cap_parm.capturemode != sp->parm.capture.capturemode)
|
||||
&& vb2_is_streaming(&vc->vb_vidq))
|
||||
return -EBUSY;
|
||||
def_num = (mode.format == FORMAT_NTSC) ? 1001 : 1000;
|
||||
def_dem = (mode.format == FORMAT_NTSC) ? 30000 : 25000;
|
||||
|
@ -1494,6 +1359,7 @@ static int vidioc_s_parm(struct file *file, void *priv,
|
|||
}
|
||||
mode.fdec = fdec;
|
||||
sp->parm.capture.timeperframe.denominator = def_dem;
|
||||
sp->parm.capture.readbuffers = S2255_MIN_BUFS;
|
||||
s2255_set_mode(vc, &mode);
|
||||
dprintk(vc->dev, 4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n",
|
||||
__func__,
|
||||
|
@ -1518,8 +1384,7 @@ static const struct v4l2_frmsize_discrete pal_sizes[] = {
|
|||
static int vidioc_enum_framesizes(struct file *file, void *priv,
|
||||
struct v4l2_frmsizeenum *fe)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
int is_ntsc = vc->std & V4L2_STD_525_60;
|
||||
const struct s2255_fmt *fmt;
|
||||
|
||||
|
@ -1537,8 +1402,7 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
|
|||
static int vidioc_enum_frameintervals(struct file *file, void *priv,
|
||||
struct v4l2_frmivalenum *fe)
|
||||
{
|
||||
struct s2255_fh *fh = priv;
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
const struct s2255_fmt *fmt;
|
||||
const struct v4l2_frmsize_discrete *sizes;
|
||||
int is_ntsc = vc->std & V4L2_STD_525_60;
|
||||
|
@ -1570,16 +1434,18 @@ static int vidioc_enum_frameintervals(struct file *file, void *priv,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int __s2255_open(struct file *file)
|
||||
static int s2255_open(struct file *file)
|
||||
{
|
||||
struct video_device *vdev = video_devdata(file);
|
||||
struct s2255_vc *vc = video_drvdata(file);
|
||||
struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev);
|
||||
struct s2255_fh *fh;
|
||||
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
||||
struct s2255_dev *dev = vc->dev;
|
||||
int state;
|
||||
dprintk(dev, 1, "s2255: open called (dev=%s)\n",
|
||||
video_device_node_name(vdev));
|
||||
int rc = 0;
|
||||
|
||||
rc = v4l2_fh_open(file);
|
||||
if (rc != 0)
|
||||
return rc;
|
||||
|
||||
dprintk(dev, 1, "s2255: %s\n", __func__);
|
||||
state = atomic_read(&dev->fw_data->fw_state);
|
||||
switch (state) {
|
||||
case S2255_FW_DISCONNECTING:
|
||||
|
@ -1641,61 +1507,15 @@ static int __s2255_open(struct file *file)
|
|||
pr_info("%s: unknown state\n", __func__);
|
||||
return -EFAULT;
|
||||
}
|
||||
/* allocate + initialize per filehandle data */
|
||||
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
|
||||
if (NULL == fh)
|
||||
return -ENOMEM;
|
||||
v4l2_fh_init(&fh->fh, vdev);
|
||||
v4l2_fh_add(&fh->fh);
|
||||
file->private_data = &fh->fh;
|
||||
fh->vc = vc;
|
||||
if (!vc->configured) {
|
||||
/* configure channel to default state */
|
||||
vc->fmt = &formats[0];
|
||||
s2255_set_mode(vc, &vc->mode);
|
||||
vc->configured = 1;
|
||||
}
|
||||
dprintk(dev, 1, "%s: dev=%s type=%s\n", __func__,
|
||||
video_device_node_name(vdev), v4l2_type_names[type]);
|
||||
dprintk(dev, 2, "%s: fh=0x%08lx, dev=0x%08lx\n", __func__,
|
||||
(unsigned long)fh, (unsigned long)dev);
|
||||
dprintk(dev, 4, "%s: list_empty active=%d\n", __func__,
|
||||
list_empty(&vc->buf_list));
|
||||
videobuf_queue_vmalloc_init(&fh->vb_vidq, &s2255_video_qops,
|
||||
NULL, &dev->slock,
|
||||
V4L2_BUF_TYPE_VIDEO_CAPTURE,
|
||||
V4L2_FIELD_INTERLACED,
|
||||
sizeof(struct s2255_buffer),
|
||||
fh, vdev->lock);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int s2255_open(struct file *file)
|
||||
{
|
||||
struct video_device *vdev = video_devdata(file);
|
||||
int ret;
|
||||
|
||||
if (mutex_lock_interruptible(vdev->lock))
|
||||
return -ERESTARTSYS;
|
||||
ret = __s2255_open(file);
|
||||
mutex_unlock(vdev->lock);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static unsigned int s2255_poll(struct file *file,
|
||||
struct poll_table_struct *wait)
|
||||
{
|
||||
struct s2255_fh *fh = file->private_data;
|
||||
struct s2255_dev *dev = fh->vc->dev;
|
||||
int rc = v4l2_ctrl_poll(file, wait);
|
||||
|
||||
dprintk(dev, 100, "%s\n", __func__);
|
||||
mutex_lock(&dev->lock);
|
||||
rc |= videobuf_poll_stream(file, &fh->vb_vidq, wait);
|
||||
mutex_unlock(&dev->lock);
|
||||
return rc;
|
||||
}
|
||||
|
||||
static void s2255_destroy(struct s2255_dev *dev)
|
||||
{
|
||||
dprintk(dev, 1, "%s", __func__);
|
||||
|
@ -1720,59 +1540,14 @@ static void s2255_destroy(struct s2255_dev *dev)
|
|||
kfree(dev);
|
||||
}
|
||||
|
||||
static int s2255_release(struct file *file)
|
||||
{
|
||||
struct s2255_fh *fh = file->private_data;
|
||||
struct video_device *vdev = video_devdata(file);
|
||||
struct s2255_vc *vc = fh->vc;
|
||||
struct s2255_dev *dev = vc->dev;
|
||||
|
||||
if (!dev)
|
||||
return -ENODEV;
|
||||
mutex_lock(&dev->lock);
|
||||
/* turn off stream */
|
||||
if (res_check(fh)) {
|
||||
if (vc->b_acquire)
|
||||
s2255_stop_acquire(vc);
|
||||
videobuf_streamoff(&fh->vb_vidq);
|
||||
res_free(fh);
|
||||
}
|
||||
videobuf_mmap_free(&fh->vb_vidq);
|
||||
mutex_unlock(&dev->lock);
|
||||
dprintk(dev, 1, "%s[%s]\n", __func__, video_device_node_name(vdev));
|
||||
v4l2_fh_del(&fh->fh);
|
||||
v4l2_fh_exit(&fh->fh);
|
||||
kfree(fh);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int s2255_mmap_v4l(struct file *file, struct vm_area_struct *vma)
|
||||
{
|
||||
struct s2255_fh *fh = file->private_data;
|
||||
struct s2255_dev *dev;
|
||||
int ret;
|
||||
|
||||
if (!fh)
|
||||
return -ENODEV;
|
||||
dev = fh->vc->dev;
|
||||
dprintk(dev, 4, "%s, vma=0x%08lx\n", __func__, (unsigned long)vma);
|
||||
if (mutex_lock_interruptible(&dev->lock))
|
||||
return -ERESTARTSYS;
|
||||
ret = videobuf_mmap_mapper(&fh->vb_vidq, vma);
|
||||
mutex_unlock(&dev->lock);
|
||||
dprintk(dev, 4, "%s vma start=0x%08lx, size=%ld, ret=%d\n", __func__,
|
||||
(unsigned long)vma->vm_start,
|
||||
(unsigned long)vma->vm_end - (unsigned long)vma->vm_start, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct v4l2_file_operations s2255_fops_v4l = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = s2255_open,
|
||||
.release = s2255_release,
|
||||
.poll = s2255_poll,
|
||||
.release = vb2_fop_release,
|
||||
.poll = vb2_fop_poll,
|
||||
.unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */
|
||||
.mmap = s2255_mmap_v4l,
|
||||
.mmap = vb2_fop_mmap,
|
||||
.read = vb2_fop_read,
|
||||
};
|
||||
|
||||
static const struct v4l2_ioctl_ops s2255_ioctl_ops = {
|
||||
|
@ -1781,17 +1556,17 @@ static const struct v4l2_ioctl_ops s2255_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_s_fmt_vid_cap,
|
||||
.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 = vidioc_enum_input,
|
||||
.vidioc_g_input = vidioc_g_input,
|
||||
.vidioc_s_input = vidioc_s_input,
|
||||
.vidioc_streamon = vidioc_streamon,
|
||||
.vidioc_streamoff = vidioc_streamoff,
|
||||
.vidioc_streamon = vb2_ioctl_streamon,
|
||||
.vidioc_streamoff = vb2_ioctl_streamoff,
|
||||
.vidioc_s_jpegcomp = vidioc_s_jpegcomp,
|
||||
.vidioc_g_jpegcomp = vidioc_g_jpegcomp,
|
||||
.vidioc_s_parm = vidioc_s_parm,
|
||||
|
@ -1847,6 +1622,8 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
|
|||
int i;
|
||||
int cur_nr = video_nr;
|
||||
struct s2255_vc *vc;
|
||||
struct vb2_queue *q;
|
||||
|
||||
ret = v4l2_device_register(&dev->interface->dev, &dev->v4l2_dev);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
@ -1879,8 +1656,24 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
|
|||
dev_err(&dev->udev->dev, "couldn't register control\n");
|
||||
break;
|
||||
}
|
||||
/* register 4 video devices */
|
||||
q = &vc->vb_vidq;
|
||||
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
||||
q->io_modes = VB2_MMAP | VB2_READ | VB2_USERPTR;
|
||||
q->drv_priv = vc;
|
||||
q->lock = &vc->vb_lock;
|
||||
q->buf_struct_size = sizeof(struct s2255_buffer);
|
||||
q->mem_ops = &vb2_vmalloc_memops;
|
||||
q->ops = &s2255_video_qops;
|
||||
q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
|
||||
ret = vb2_queue_init(q);
|
||||
if (ret != 0) {
|
||||
dev_err(&dev->udev->dev,
|
||||
"%s vb2_queue_init 0x%x\n", __func__, ret);
|
||||
break;
|
||||
}
|
||||
/* register video devices */
|
||||
vc->vdev = template;
|
||||
vc->vdev.queue = q;
|
||||
vc->vdev.ctrl_handler = &vc->hdl;
|
||||
vc->vdev.lock = &dev->lock;
|
||||
vc->vdev.v4l2_dev = &dev->v4l2_dev;
|
||||
|
@ -2029,7 +1822,7 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
|
|||
idx = vc->cur_frame;
|
||||
frm = &vc->buffer.frame[idx];
|
||||
/* search done. now find out if should be acquiring on this channel */
|
||||
if (!vc->b_acquire) {
|
||||
if (!vb2_is_streaming(&vc->vb_vidq)) {
|
||||
/* we found a frame, but this channel is turned off */
|
||||
frm->ulState = S2255_READ_IDLE;
|
||||
return -EINVAL;
|
||||
|
@ -2073,7 +1866,7 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
|
|||
(vc->cur_frame == vc->buffer.dwFrames))
|
||||
vc->cur_frame = 0;
|
||||
/* frame ready */
|
||||
if (vc->b_acquire)
|
||||
if (vb2_is_streaming(&vc->vb_vidq))
|
||||
s2255_got_frame(vc, vc->jpg_size);
|
||||
vc->frame_count++;
|
||||
frm->ulState = S2255_READ_IDLE;
|
||||
|
@ -2222,7 +2015,6 @@ static int s2255_board_init(struct s2255_dev *dev)
|
|||
|
||||
for (j = 0; j < MAX_CHANNELS; j++) {
|
||||
struct s2255_vc *vc = &dev->vc[j];
|
||||
vc->b_acquire = 0;
|
||||
vc->mode = mode_def;
|
||||
if (dev->pid == 0x2257 && j > 1)
|
||||
vc->mode.color |= (1 << 16);
|
||||
|
@ -2249,7 +2041,7 @@ static int s2255_board_shutdown(struct s2255_dev *dev)
|
|||
dprintk(dev, 1, "%s: dev: %p", __func__, dev);
|
||||
|
||||
for (i = 0; i < MAX_CHANNELS; i++) {
|
||||
if (dev->vc[i].b_acquire)
|
||||
if (vb2_is_streaming(&dev->vc[i].vb_vidq))
|
||||
s2255_stop_acquire(&dev->vc[i]);
|
||||
}
|
||||
s2255_stop_readpipe(dev);
|
||||
|
@ -2397,7 +2189,6 @@ static int s2255_stop_acquire(struct s2255_vc *vc)
|
|||
if (res != 0)
|
||||
dev_err(&dev->udev->dev, "CMD_STOP error\n");
|
||||
|
||||
vc->b_acquire = 0;
|
||||
dprintk(dev, 4, "%s: chn %d, res %d\n", __func__, vc->idx, res);
|
||||
mutex_unlock(&dev->cmdlock);
|
||||
return res;
|
||||
|
@ -2503,6 +2294,8 @@ static int s2255_probe(struct usb_interface *interface,
|
|||
vc->dev = dev;
|
||||
init_waitqueue_head(&vc->wait_setmode);
|
||||
init_waitqueue_head(&vc->wait_vidstatus);
|
||||
spin_lock_init(&vc->qlock);
|
||||
mutex_init(&vc->vb_lock);
|
||||
}
|
||||
|
||||
dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL);
|
||||
|
@ -2548,7 +2341,6 @@ static int s2255_probe(struct usb_interface *interface,
|
|||
retval = s2255_board_init(dev);
|
||||
if (retval)
|
||||
goto errorBOARDINIT;
|
||||
spin_lock_init(&dev->slock);
|
||||
s2255_fwload_start(dev, 0);
|
||||
/* loads v4l specific */
|
||||
retval = s2255_probe_v4l(dev);
|
||||
|
|
Loading…
Reference in New Issue