@@ -3,7 +3,7 @@ config VIDEO_BT848
tristate "BT848 Video For Linux"
depends on PCI && I2C && VIDEO_DEV
select I2C_ALGOBIT
- select VIDEOBUF_DMA_SG
+ select VIDEOBUF2_DMA_SG
depends on RC_CORE
depends on MEDIA_RADIO_SUPPORT
select VIDEO_TUNER
@@ -231,7 +231,15 @@
#define BT848_INT_ETBF (1<<23)
+#define BT848_RISC_VIDEO 1
+#define BT848_RISC_TOP 2
+#define BT848_RISC_VBI 4
+
#define BT848_INT_RISCS (0xf<<28)
+#define BT848_INT_RISCS_VIDEO (BT848_RISC_VIDEO << 28)
+#define BT848_INT_RISCS_TOP (BT848_RISC_TOP << 28)
+#define BT848_INT_RISCS_VBI (BT848_RISC_VBI << 28)
+
#define BT848_INT_RISC_EN (1<<27)
#define BT848_INT_RACK (1<<25)
#define BT848_INT_FIELD (1<<24)
@@ -641,15 +641,10 @@ static const unsigned int FORMATS = ARRAY_SIZE(formats);
#define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \
RESOURCE_VIDEO_STREAM)
-static
-int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit)
+int check_alloc_btres_lock(struct bttv *btv, int bit)
{
int xbits; /* mutual exclusive resources */
- if (fh->resources & bit)
- /* have it already allocated */
- return 1;
-
xbits = bit;
if (bit & (RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM))
xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM;
@@ -682,7 +677,6 @@ int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit)
}
/* it's free, grab it */
- fh->resources |= bit;
btv->resources |= bit;
return 1;
@@ -691,9 +685,9 @@ int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit)
}
static
-int check_btres(struct bttv_fh *fh, int bit)
+int check_btres(struct bttv *btv, int bit)
{
- return (fh->resources & bit);
+ return (btv->resources & bit);
}
static
@@ -731,14 +725,12 @@ disclaim_video_lines(struct bttv *btv)
btwrite(0xfe, BT848_O_VDELAY_LO);
}
-static
-void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits)
+void free_btres_lock(struct bttv *btv, int bits)
{
- if ((fh->resources & bits) != bits) {
+ if ((btv->resources & bits) != bits) {
/* trying to free resources not allocated by us ... */
pr_err("BUG! (btres)\n");
}
- fh->resources &= ~bits;
btv->resources &= ~bits;
bits = btv->resources;
@@ -1174,7 +1166,7 @@ set_input(struct bttv *btv, unsigned int input, unsigned int norm)
set_tvnorm(btv, norm);
}
-static void init_irqreg(struct bttv *btv)
+void init_irqreg(struct bttv *btv)
{
/* clear status */
btwrite(0xfffffUL, BT848_INT_STAT);
@@ -1453,23 +1445,6 @@ void bttv_gpio_tracking(struct bttv *btv, char *comment)
btv->c.nr, outbits, data & outbits, data & ~outbits, comment);
}
-static void bttv_field_count(struct bttv *btv)
-{
- int need_count = 0;
-
- if (btv->users)
- need_count++;
-
- if (need_count) {
- /* start field counter */
- btor(BT848_INT_VSYNC,BT848_INT_MASK);
- } else {
- /* stop field counter */
- btand(~BT848_INT_VSYNC,BT848_INT_MASK);
- btv->field_count = 0;
- }
-}
-
static const struct bttv_format*
format_by_fourcc(int fourcc)
{
@@ -1487,156 +1462,132 @@ format_by_fourcc(int fourcc)
/* ----------------------------------------------------------------------- */
/* video4linux (1) interface */
-static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
- struct bttv_buffer *buf,
- const struct bttv_format *fmt,
- unsigned int width, unsigned int height,
- enum v4l2_field field)
+static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
+ unsigned int *num_planes, unsigned int sizes[],
+ struct device *alloc_devs[])
{
- int redo_dma_risc = 0;
- struct bttv_crop c;
- int norm;
- int rc;
+ struct bttv *btv = vb2_get_drv_priv(q);
+ unsigned int size = btv->fmt->depth * btv->width * btv->height >> 3;
- /* check settings */
- if (NULL == fmt)
- return -EINVAL;
- if (fmt->btformat == BT848_COLOR_FMT_RAW) {
- width = RAW_BPL;
- height = RAW_LINES*2;
- if (width*height > buf->vb.bsize)
- return -EINVAL;
- buf->vb.size = buf->vb.bsize;
-
- /* Make sure tvnorm and vbi_end remain consistent
- until we're done. */
-
- norm = btv->tvnorm;
-
- /* In this mode capturing always starts at defrect.top
- (default VDELAY), ignoring cropping parameters. */
- if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) {
- return -EINVAL;
- }
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
+ *num_planes = 1;
+ sizes[0] = size;
- c.rect = bttv_tvnorms[norm].cropcap.defrect;
- } else {
- norm = btv->tvnorm;
- c = btv->crop[!!btv->do_crop];
-
- if (width < c.min_scaled_width ||
- width > c.max_scaled_width ||
- height < c.min_scaled_height)
- return -EINVAL;
-
- switch (field) {
- case V4L2_FIELD_TOP:
- case V4L2_FIELD_BOTTOM:
- case V4L2_FIELD_ALTERNATE:
- /* btv->crop counts frame lines. Max. scale
- factor is 16:1 for frames, 8:1 for fields. */
- if (height * 2 > c.max_scaled_height)
- return -EINVAL;
- break;
+ return 0;
+}
- default:
- if (height > c.max_scaled_height)
- return -EINVAL;
- break;
- }
+static void buf_queue(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct bttv *btv = vb2_get_drv_priv(vq);
+ struct bttv_buffer *buf = container_of(vbuf, struct bttv_buffer, vbuf);
+ unsigned long flags;
- buf->vb.size = (width * height * fmt->depth) >> 3;
- if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
- return -EINVAL;
- }
-
- /* alloc + fill struct bttv_buffer (if changed) */
- if (buf->vb.width != width || buf->vb.height != height ||
- buf->vb.field != field ||
- btv->tvnorm != norm || btv->fmt != fmt ||
- btv->crop[!!btv->do_crop].rect.top != c.rect.top ||
- btv->crop[!!btv->do_crop].rect.left != c.rect.left ||
- btv->crop[!!btv->do_crop].rect.width != c.rect.width ||
- btv->crop[!!btv->do_crop].rect.height != c.rect.height) {
- buf->vb.width = width;
- buf->vb.height = height;
- buf->vb.field = field;
- btv->tvnorm = norm;
- btv->crop[!!btv->do_crop].rect = c.rect;
- redo_dma_risc = 1;
- }
-
- /* alloc risc memory */
- if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
- redo_dma_risc = 1;
- if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf)))
- goto fail;
+ spin_lock_irqsave(&btv->s_lock, flags);
+ if (list_empty(&btv->capture)) {
+ btv->loop_irq = BT848_RISC_VIDEO;
+ if (vb2_is_streaming(&btv->vbiq))
+ btv->loop_irq |= BT848_RISC_VBI;
+ bttv_set_dma(btv, BT848_CAP_CTL_CAPTURE_ODD |
+ BT848_CAP_CTL_CAPTURE_EVEN);
}
-
- if (redo_dma_risc)
- if (0 != (rc = bttv_buffer_risc(btv,buf)))
- goto fail;
-
- buf->vb.state = VIDEOBUF_PREPARED;
- return 0;
-
- fail:
- bttv_dma_free(q,btv,buf);
- return rc;
+ list_add_tail(&buf->list, &btv->capture);
+ spin_unlock_irqrestore(&btv->s_lock, flags);
}
-static int
-buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
+static int buf_prepare(struct vb2_buffer *vb)
{
- struct bttv_fh *fh = q->priv_data;
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct bttv *btv = vb2_get_drv_priv(vq);
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct bttv_buffer *buf = container_of(vbuf, struct bttv_buffer, vbuf);
+ unsigned int size = (btv->fmt->depth * btv->width * btv->height) >> 3;
- *size = fh->fmt->depth*fh->width*fh->height >> 3;
- if (0 == *count)
- *count = gbuffers;
- if (*size * *count > gbuffers * gbufsize)
- *count = (gbuffers * gbufsize) / *size;
- return 0;
+ if (vb2_plane_size(vb, 0) < size)
+ return -EINVAL;
+ vb2_set_plane_payload(vb, 0, size);
+
+ if (btv->field != V4L2_FIELD_ALTERNATE) {
+ buf->vbuf.field = btv->field;
+ } else if (btv->field_last == V4L2_FIELD_TOP) {
+ buf->vbuf.field = V4L2_FIELD_BOTTOM;
+ btv->field_last = V4L2_FIELD_BOTTOM;
+ } else {
+ buf->vbuf.field = V4L2_FIELD_TOP;
+ btv->field_last = V4L2_FIELD_TOP;
+ }
+
+ /* Allocate memory for risc struct and create the risc program. */
+ return bttv_buffer_risc(btv, buf);
}
-static int
-buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
- enum v4l2_field field)
+static void buf_cleanup(struct vb2_buffer *vb)
{
- struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
- struct bttv_fh *fh = q->priv_data;
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct bttv *btv = vb2_get_drv_priv(vq);
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct bttv_buffer *buf = container_of(vbuf, struct bttv_buffer, vbuf);
- return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt,
- fh->width, fh->height, field);
+ btcx_riscmem_free(btv->c.pci, &buf->top);
+ btcx_riscmem_free(btv->c.pci, &buf->bottom);
}
-static void
-buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static int start_streaming(struct vb2_queue *q, unsigned int count)
{
- struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
- struct bttv_fh *fh = q->priv_data;
- struct bttv *btv = fh->btv;
-
- buf->vb.state = VIDEOBUF_QUEUED;
- list_add_tail(&buf->vb.queue,&btv->capture);
- if (!btv->curr.frame_irq) {
- btv->loop_irq |= 1;
- bttv_set_dma(btv, 0x03);
+ int ret = 1;
+ int seqnr = 0;
+ struct bttv_buffer *buf;
+ struct bttv *btv = vb2_get_drv_priv(q);
+
+ ret = check_alloc_btres_lock(btv, RESOURCE_VIDEO_STREAM);
+ if (ret == 0) {
+ if (btv->field_count)
+ seqnr++;
+ while (!list_empty(&btv->capture)) {
+ buf = list_entry(btv->capture.next,
+ struct bttv_buffer, list);
+ list_del(&buf->list);
+ buf->vbuf.sequence = (btv->field_count >> 1) + seqnr++;
+ vb2_buffer_done(&buf->vbuf.vb2_buf,
+ VB2_BUF_STATE_QUEUED);
+ }
+ return !ret;
}
+ if (!vb2_is_streaming(&btv->vbiq)) {
+ init_irqreg(btv);
+ btv->field_count = 0;
+ }
+ btv->framedrop = 0;
+
+ return 0;
}
-static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static void stop_streaming(struct vb2_queue *q)
{
- struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
- struct bttv_fh *fh = q->priv_data;
+ unsigned long flags;
+ struct bttv *btv = vb2_get_drv_priv(q);
- bttv_dma_free(q,fh->btv,buf);
+ vb2_wait_for_all_buffers(q);
+ spin_lock_irqsave(&btv->s_lock, flags);
+ free_btres_lock(btv, RESOURCE_VIDEO_STREAM);
+ if (!vb2_is_streaming(&btv->vbiq)) {
+ /* stop field counter */
+ btand(~BT848_INT_VSYNC, BT848_INT_MASK);
+ }
+ spin_unlock_irqrestore(&btv->s_lock, flags);
}
-static const struct videobuf_queue_ops bttv_video_qops = {
- .buf_setup = buffer_setup,
- .buf_prepare = buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = buffer_release,
+static const struct vb2_ops bttv_video_qops = {
+ .queue_setup = queue_setup,
+ .buf_queue = buf_queue,
+ .buf_prepare = buf_prepare,
+ .buf_cleanup = buf_cleanup,
+ .start_streaming = start_streaming,
+ .stop_streaming = stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
};
static void radio_enable(struct bttv *btv)
@@ -1890,16 +1841,11 @@ bttv_crop_adjust (struct bttv_crop * c,
also adjust the current cropping parameters to get closer to the
desired image size. */
static int
-limit_scaled_size_lock (struct bttv_fh * fh,
- __s32 * width,
- __s32 * height,
- enum v4l2_field field,
- unsigned int width_mask,
- unsigned int width_bias,
- int adjust_size,
- int adjust_crop)
-{
- struct bttv *btv = fh->btv;
+limit_scaled_size_lock(struct bttv *btv, __s32 *width, __s32 *height,
+ enum v4l2_field field, unsigned int width_mask,
+ unsigned int width_bias, int adjust_size,
+ int adjust_crop)
+{
const struct v4l2_rect *b;
struct bttv_crop *c;
__s32 min_width;
@@ -1993,52 +1939,31 @@ limit_scaled_size_lock (struct bttv_fh * fh,
return rc;
}
-/* ----------------------------------------------------------------------- */
-
-static struct videobuf_queue* bttv_queue(struct bttv_fh *fh)
+static int bttv_switch_type(struct bttv *btv, enum v4l2_buf_type type)
{
- struct videobuf_queue* q = NULL;
+ int res;
+ struct vb2_queue *q;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- q = &fh->cap;
- break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- q = &fh->vbi;
- break;
- default:
- BUG();
- }
- return q;
-}
-
-static int bttv_resource(struct bttv_fh *fh)
-{
- int res = 0;
-
- switch (fh->type) {
+ switch (type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ q = &btv->capq;
res = RESOURCE_VIDEO_STREAM;
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
+ q = &btv->vbiq;
res = RESOURCE_VBI;
break;
default:
WARN_ON(1);
+ return -EINVAL;
}
- return res;
-}
-static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
-{
- struct videobuf_queue *q = bttv_queue(fh);
- int res = bttv_resource(fh);
-
- if (check_btres(fh,res))
+ if (check_btres(btv, res))
return -EBUSY;
- if (videobuf_queue_is_busy(q))
+ if (vb2_is_busy(q))
return -EBUSY;
- fh->type = type;
+ btv->type = type;
+
return 0;
}
@@ -2063,11 +1988,10 @@ pix_format_set_size (struct v4l2_pix_format * f,
static int bttv_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct bttv_fh *fh = priv;
struct bttv *btv = video_drvdata(file);
pix_format_set_size(&f->fmt.pix, btv->fmt, btv->width, btv->height);
- f->fmt.pix.field = fh->cap.field;
+ f->fmt.pix.field = btv->field;
f->fmt.pix.pixelformat = btv->fmt->fourcc;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
@@ -2091,7 +2015,6 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
const struct bttv_format *fmt;
- struct bttv_fh *fh = priv;
struct bttv *btv = video_drvdata(file);
enum v4l2_field field;
__s32 width, height;
@@ -2130,10 +2053,8 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
height = f->fmt.pix.height;
bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
- rc = limit_scaled_size_lock(fh, &width, &height, field,
- width_mask, width_bias,
- /* adjust_size */ 1,
- /* adjust_crop */ 0);
+ rc = limit_scaled_size_lock(btv, &width, &height, field, width_mask,
+ width_bias, 1, 0);
if (0 != rc)
return rc;
@@ -2146,17 +2067,16 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
}
static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
+ struct v4l2_format *f)
{
int retval;
const struct bttv_format *fmt;
- struct bttv_fh *fh = priv;
struct bttv *btv = video_drvdata(file);
__s32 width, height;
unsigned int width_mask, width_bias;
enum v4l2_field field;
- retval = bttv_switch_type(fh, f->type);
+ retval = bttv_switch_type(btv, f->type);
if (0 != retval)
return retval;
@@ -2170,27 +2090,25 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
- retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field,
- width_mask, width_bias,
- /* adjust_size */ 1,
- /* adjust_crop */ 1);
+ retval = limit_scaled_size_lock(btv, &width, &height, f->fmt.pix.field,
+ width_mask, width_bias, 1, 1);
if (0 != retval)
return retval;
f->fmt.pix.field = field;
/* update our state information */
- fh->fmt = fmt;
- fh->cap.field = f->fmt.pix.field;
- fh->cap.last = V4L2_FIELD_NONE;
- fh->width = f->fmt.pix.width;
- fh->height = f->fmt.pix.height;
- btv->init.fmt = fmt;
- btv->init.width = f->fmt.pix.width;
- btv->init.height = f->fmt.pix.height;
btv->fmt = fmt;
btv->width = f->fmt.pix.width;
btv->height = f->fmt.pix.height;
+ btv->field = f->fmt.pix.field;
+ /*
+ * When field is V4L2_FIELD_ALTERNATE, buffers will be either
+ * V4L2_FIELD_TOP or V4L2_FIELD_BOTTOM depending on the value of
+ * field_last. Initialize field_last to V4L2_FIELD_BOTTOM so that
+ * streaming starts with a V4L2_FIELD_TOP buffer.
+ */
+ btv->field_last = V4L2_FIELD_BOTTOM;
return 0;
}
@@ -2245,68 +2163,6 @@ static int bttv_enum_fmt_vid_cap(struct file *file, void *priv,
return 0;
}
-static int bttv_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *p)
-{
- struct bttv_fh *fh = priv;
- return videobuf_reqbufs(bttv_queue(fh), p);
-}
-
-static int bttv_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *b)
-{
- struct bttv_fh *fh = priv;
- return videobuf_querybuf(bttv_queue(fh), b);
-}
-
-static int bttv_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- struct bttv_fh *fh = priv;
- struct bttv *btv = video_drvdata(file);
- int res = bttv_resource(fh);
-
- if (!check_alloc_btres_lock(btv, fh, res))
- return -EBUSY;
-
- return videobuf_qbuf(bttv_queue(fh), b);
-}
-
-static int bttv_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
-{
- struct bttv_fh *fh = priv;
- return videobuf_dqbuf(bttv_queue(fh), b,
- file->f_flags & O_NONBLOCK);
-}
-
-static int bttv_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct bttv_fh *fh = priv;
- struct bttv *btv = fh->btv;
- int res = bttv_resource(fh);
-
- if (!check_alloc_btres_lock(btv, fh, res))
- return -EBUSY;
- return videobuf_streamon(bttv_queue(fh));
-}
-
-
-static int bttv_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct bttv_fh *fh = priv;
- struct bttv *btv = fh->btv;
- int retval;
- int res = bttv_resource(fh);
-
-
- retval = videobuf_streamoff(bttv_queue(fh));
- if (retval < 0)
- return retval;
- free_btres_lock(btv, fh, res);
- return 0;
-}
-
static int bttv_g_parm(struct file *file, void *f,
struct v4l2_streamparm *parm)
{
@@ -2382,7 +2238,6 @@ static int bttv_g_selection(struct file *file, void *f, struct v4l2_selection *s
static int bttv_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
{
- struct bttv_fh *fh = f;
struct bttv *btv = video_drvdata(file);
const struct v4l2_rect *b;
int retval;
@@ -2403,9 +2258,8 @@ static int bttv_s_selection(struct file *file, void *f, struct v4l2_selection *s
read() may change vbi_end in check_alloc_btres_lock(). */
retval = -EBUSY;
- if (locked_btres(fh->btv, VIDEO_RESOURCES)) {
+ if (locked_btres(btv, VIDEO_RESOURCES))
return retval;
- }
b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
@@ -2454,228 +2308,15 @@ static int bttv_s_selection(struct file *file, void *f, struct v4l2_selection *s
return 0;
}
-static ssize_t bttv_read(struct file *file, char __user *data,
- size_t count, loff_t *ppos)
-{
- struct bttv_fh *fh = file->private_data;
- int retval = 0;
-
- if (fh->btv->errors)
- bttv_reinit_bt848(fh->btv);
- dprintk("%d: read count=%d type=%s\n",
- fh->btv->c.nr, (int)count, v4l2_type_names[fh->type]);
-
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (!check_alloc_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ)) {
- /* VIDEO_READ in use by another fh,
- or VIDEO_STREAM by any fh. */
- return -EBUSY;
- }
- retval = videobuf_read_one(&fh->cap, data, count, ppos,
- file->f_flags & O_NONBLOCK);
- free_btres_lock(fh->btv, fh, RESOURCE_VIDEO_READ);
- break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
- return -EBUSY;
- retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1,
- file->f_flags & O_NONBLOCK);
- break;
- default:
- BUG();
- }
- return retval;
-}
-
-static __poll_t bttv_poll(struct file *file, poll_table *wait)
-{
- struct bttv_fh *fh = file->private_data;
- struct bttv_buffer *buf;
- enum v4l2_field field;
- __poll_t rc = 0;
- __poll_t req_events = poll_requested_events(wait);
-
- if (v4l2_event_pending(&fh->fh))
- rc = EPOLLPRI;
- else if (req_events & EPOLLPRI)
- poll_wait(file, &fh->fh.wait, wait);
-
- if (!(req_events & (EPOLLIN | EPOLLRDNORM)))
- return rc;
-
- if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
- if (!check_alloc_btres_lock(fh->btv,fh,RESOURCE_VBI))
- return rc | EPOLLERR;
- return rc | videobuf_poll_stream(file, &fh->vbi, wait);
- }
-
- if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
- /* streaming capture */
- if (list_empty(&fh->cap.stream))
- return rc | EPOLLERR;
- buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
- } else {
- /* read() capture */
- if (NULL == fh->cap.read_buf) {
- /* need to capture a new frame */
- if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM))
- return rc | EPOLLERR;
- fh->cap.read_buf = videobuf_sg_alloc(fh->cap.msize);
- if (NULL == fh->cap.read_buf)
- return rc | EPOLLERR;
- fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
- field = videobuf_next_field(&fh->cap);
- if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
- kfree (fh->cap.read_buf);
- fh->cap.read_buf = NULL;
- return rc | EPOLLERR;
- }
- fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
- fh->cap.read_off = 0;
- }
- buf = (struct bttv_buffer*)fh->cap.read_buf;
- }
-
- poll_wait(file, &buf->vb.done, wait);
- if (buf->vb.state == VIDEOBUF_DONE ||
- buf->vb.state == VIDEOBUF_ERROR)
- rc = rc | EPOLLIN|EPOLLRDNORM;
- return rc;
-}
-
-static int bttv_open(struct file *file)
-{
- struct video_device *vdev = video_devdata(file);
- struct bttv *btv = video_drvdata(file);
- struct bttv_fh *fh;
- enum v4l2_buf_type type = 0;
-
- dprintk("open dev=%s\n", video_device_node_name(vdev));
-
- if (vdev->vfl_type == VFL_TYPE_VIDEO) {
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- } else if (vdev->vfl_type == VFL_TYPE_VBI) {
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- } else {
- WARN_ON(1);
- return -ENODEV;
- }
-
- dprintk("%d: open called (type=%s)\n",
- btv->c.nr, v4l2_type_names[type]);
-
- /* allocate per filehandle data */
- fh = kmalloc(sizeof(*fh), GFP_KERNEL);
- if (unlikely(!fh))
- return -ENOMEM;
- btv->users++;
- file->private_data = fh;
-
- *fh = btv->init;
- v4l2_fh_init(&fh->fh, vdev);
-
- fh->type = type;
-
- videobuf_queue_sg_init(&fh->cap, &bttv_video_qops,
- &btv->c.pci->dev, &btv->s_lock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED,
- sizeof(struct bttv_buffer),
- fh, &btv->lock);
- videobuf_queue_sg_init(&fh->vbi, &bttv_vbi_qops,
- &btv->c.pci->dev, &btv->s_lock,
- V4L2_BUF_TYPE_VBI_CAPTURE,
- V4L2_FIELD_SEQ_TB,
- sizeof(struct bttv_buffer),
- fh, &btv->lock);
- set_tvnorm(btv,btv->tvnorm);
- set_input(btv, btv->input, btv->tvnorm);
- audio_mute(btv, btv->mute);
-
- /* The V4L2 spec requires one global set of cropping parameters
- which only change on request. These are stored in btv->crop[1].
- However for compatibility with V4L apps and cropping unaware
- V4L2 apps we now reset the cropping parameters as seen through
- this fh, which is to say VIDIOC_G_SELECTION and scaling limit checks
- will use btv->crop[0], the default cropping parameters for the
- current video standard, and VIDIOC_S_FMT will not implicitly
- change the cropping parameters until VIDIOC_S_SELECTION has been
- called. */
- btv->do_crop = !reset_crop; /* module parameter */
-
- /* Likewise there should be one global set of VBI capture
- parameters, but for compatibility with V4L apps and earlier
- driver versions each fh has its own parameters. */
- bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
-
- bttv_field_count(btv);
- v4l2_fh_add(&fh->fh);
- return 0;
-}
-
-static int bttv_release(struct file *file)
-{
- struct bttv_fh *fh = file->private_data;
- struct bttv *btv = fh->btv;
-
- /* stop video capture */
- if (check_btres(fh, RESOURCE_VIDEO_STREAM)) {
- videobuf_streamoff(&fh->cap);
- free_btres_lock(btv,fh,RESOURCE_VIDEO_STREAM);
- }
- if (fh->cap.read_buf) {
- buffer_release(&fh->cap,fh->cap.read_buf);
- kfree(fh->cap.read_buf);
- }
- if (check_btres(fh, RESOURCE_VIDEO_READ)) {
- free_btres_lock(btv, fh, RESOURCE_VIDEO_READ);
- }
-
- /* stop vbi capture */
- if (check_btres(fh, RESOURCE_VBI)) {
- videobuf_stop(&fh->vbi);
- free_btres_lock(btv,fh,RESOURCE_VBI);
- }
-
- /* free stuff */
-
- videobuf_mmap_free(&fh->cap);
- videobuf_mmap_free(&fh->vbi);
- file->private_data = NULL;
-
- btv->users--;
- bttv_field_count(btv);
-
- if (!btv->users)
- audio_mute(btv, btv->mute);
-
- v4l2_fh_del(&fh->fh);
- v4l2_fh_exit(&fh->fh);
- kfree(fh);
- return 0;
-}
-
-static int
-bttv_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct bttv_fh *fh = file->private_data;
-
- dprintk("%d: mmap type=%s 0x%lx+%ld\n",
- fh->btv->c.nr, v4l2_type_names[fh->type],
- vma->vm_start, vma->vm_end - vma->vm_start);
- return videobuf_mmap_mapper(bttv_queue(fh),vma);
-}
-
static const struct v4l2_file_operations bttv_fops =
{
.owner = THIS_MODULE,
- .open = bttv_open,
- .release = bttv_release,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
.unlocked_ioctl = video_ioctl2,
- .read = bttv_read,
- .mmap = bttv_mmap,
- .poll = bttv_poll,
+ .read = vb2_fop_read,
+ .mmap = vb2_fop_mmap,
+ .poll = vb2_fop_poll,
};
static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
@@ -2688,17 +2329,18 @@ static const struct v4l2_ioctl_ops bttv_ioctl_ops = {
.vidioc_try_fmt_vbi_cap = bttv_try_fmt_vbi_cap,
.vidioc_s_fmt_vbi_cap = bttv_s_fmt_vbi_cap,
.vidioc_g_pixelaspect = bttv_g_pixelaspect,
- .vidioc_reqbufs = bttv_reqbufs,
- .vidioc_querybuf = bttv_querybuf,
- .vidioc_qbuf = bttv_qbuf,
- .vidioc_dqbuf = bttv_dqbuf,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .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_s_std = bttv_s_std,
.vidioc_g_std = bttv_g_std,
.vidioc_enum_input = bttv_enum_input,
.vidioc_g_input = bttv_g_input,
.vidioc_s_input = bttv_s_input,
- .vidioc_streamon = bttv_streamon,
- .vidioc_streamoff = bttv_streamoff,
.vidioc_g_tuner = bttv_g_tuner,
.vidioc_s_tuner = bttv_s_tuner,
.vidioc_g_selection = bttv_g_selection,
@@ -3021,17 +2663,19 @@ bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
/* capture request ? */
if (!list_empty(&btv->capture)) {
- set->frame_irq = 1;
- item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
- if (V4L2_FIELD_HAS_TOP(item->vb.field))
+ set->frame_irq = BT848_RISC_VIDEO;
+ item = list_entry(btv->capture.next, struct bttv_buffer, list);
+
+ if (V4L2_FIELD_HAS_TOP(item->vbuf.field))
set->top = item;
- if (V4L2_FIELD_HAS_BOTTOM(item->vb.field))
+ if (V4L2_FIELD_HAS_BOTTOM(item->vbuf.field))
set->bottom = item;
/* capture request for other field ? */
- if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
- (item->vb.queue.next != &btv->capture)) {
- item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
+ if (!V4L2_FIELD_HAS_BOTH(item->vbuf.field) &&
+ item->list.next != &btv->capture) {
+ item = list_entry(item->list.next,
+ struct bttv_buffer, list);
/* Mike Isely <isely@pobox.com> - Only check
* and set up the bottom field in the logic
* below. Don't ever do the top field. This
@@ -3059,13 +2703,18 @@ bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
* sync within a single frame time. (Out of
* order fields can screw up deinterlacing
* algorithms.) */
- if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
- if (NULL == set->bottom &&
- V4L2_FIELD_BOTTOM == item->vb.field) {
+ if (!V4L2_FIELD_HAS_BOTH(item->vbuf.field)) {
+ if (!set->bottom &&
+ item->vbuf.field == V4L2_FIELD_BOTTOM)
set->bottom = item;
+ if (set->top && set->bottom) {
+ /*
+ * The buffer set has a top buffer and
+ * a bottom buffer and they are not
+ * copies of each other.
+ */
+ set->top_irq = BT848_RISC_TOP;
}
- if (NULL != set->top && NULL != set->bottom)
- set->top_irq = 2;
}
}
}
@@ -3087,44 +2736,47 @@ bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup,
if (irq_debug > 1)
pr_debug("%d: wakeup: both=%p\n",
btv->c.nr, wakeup->top);
- wakeup->top->vb.ts = ts;
- wakeup->top->vb.field_count = btv->field_count;
- wakeup->top->vb.state = state;
- wake_up(&wakeup->top->vb.done);
+ wakeup->top->vbuf.vb2_buf.timestamp = ts;
+ wakeup->top->vbuf.sequence = btv->field_count >> 1;
+ vb2_buffer_done(&wakeup->top->vbuf.vb2_buf, state);
+ if (btv->field_count == 0)
+ btor(BT848_INT_VSYNC, BT848_INT_MASK);
}
} else {
if (NULL != wakeup->top && curr->top != wakeup->top) {
if (irq_debug > 1)
pr_debug("%d: wakeup: top=%p\n",
btv->c.nr, wakeup->top);
- wakeup->top->vb.ts = ts;
- wakeup->top->vb.field_count = btv->field_count;
- wakeup->top->vb.state = state;
- wake_up(&wakeup->top->vb.done);
+ wakeup->top->vbuf.vb2_buf.timestamp = ts;
+ wakeup->top->vbuf.sequence = btv->field_count >> 1;
+ vb2_buffer_done(&wakeup->top->vbuf.vb2_buf, state);
+ if (btv->field_count == 0)
+ btor(BT848_INT_VSYNC, BT848_INT_MASK);
}
if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) {
if (irq_debug > 1)
pr_debug("%d: wakeup: bottom=%p\n",
btv->c.nr, wakeup->bottom);
- wakeup->bottom->vb.ts = ts;
- wakeup->bottom->vb.field_count = btv->field_count;
- wakeup->bottom->vb.state = state;
- wake_up(&wakeup->bottom->vb.done);
+ wakeup->bottom->vbuf.vb2_buf.timestamp = ts;
+ wakeup->bottom->vbuf.sequence = btv->field_count >> 1;
+ vb2_buffer_done(&wakeup->bottom->vbuf.vb2_buf, state);
+ if (btv->field_count == 0)
+ btor(BT848_INT_VSYNC, BT848_INT_MASK);
}
}
}
static void
bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup,
- unsigned int state)
+ unsigned int state)
{
if (NULL == wakeup)
return;
-
- wakeup->vb.ts = ktime_get_ns();
- wakeup->vb.field_count = btv->field_count;
- wakeup->vb.state = state;
- wake_up(&wakeup->vb.done);
+ wakeup->vbuf.vb2_buf.timestamp = ktime_get_ns();
+ wakeup->vbuf.sequence = btv->field_count >> 1;
+ vb2_buffer_done(&wakeup->vbuf.vb2_buf, state);
+ if (btv->field_count == 0)
+ btor(BT848_INT_VSYNC, BT848_INT_MASK);
}
static void bttv_irq_timeout(struct timer_list *t)
@@ -3134,6 +2786,7 @@ static void bttv_irq_timeout(struct timer_list *t)
struct bttv_buffer *ovbi;
struct bttv_buffer *item;
unsigned long flags;
+ int seqnr = 0;
if (bttv_verbose) {
pr_info("%d: timeout: drop=%d irq=%d/%d, risc=%08x, ",
@@ -3157,21 +2810,25 @@ static void bttv_irq_timeout(struct timer_list *t)
bttv_set_dma(btv, 0);
/* wake up */
- bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_ERROR);
- bttv_irq_wakeup_vbi(btv, ovbi, VIDEOBUF_ERROR);
+ bttv_irq_wakeup_video(btv, &old, &new, VB2_BUF_STATE_DONE);
+ bttv_irq_wakeup_vbi(btv, ovbi, VB2_BUF_STATE_DONE);
/* cancel all outstanding capture / vbi requests */
+ if (btv->field_count)
+ seqnr++;
while (!list_empty(&btv->capture)) {
- item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
- list_del(&item->vb.queue);
- item->vb.state = VIDEOBUF_ERROR;
- wake_up(&item->vb.done);
+ item = list_entry(btv->capture.next, struct bttv_buffer, list);
+ list_del(&item->list);
+ item->vbuf.vb2_buf.timestamp = ktime_get_ns();
+ item->vbuf.sequence = (btv->field_count >> 1) + seqnr++;
+ vb2_buffer_done(&item->vbuf.vb2_buf, VB2_BUF_STATE_ERROR);
}
while (!list_empty(&btv->vcapture)) {
- item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
- list_del(&item->vb.queue);
- item->vb.state = VIDEOBUF_ERROR;
- wake_up(&item->vb.done);
+ item = list_entry(btv->vcapture.next, struct bttv_buffer, list);
+ list_del(&item->list);
+ item->vbuf.vb2_buf.timestamp = ktime_get_ns();
+ item->vbuf.sequence = (btv->field_count >> 1) + seqnr++;
+ vb2_buffer_done(&item->vbuf.vb2_buf, VB2_BUF_STATE_ERROR);
}
btv->errors++;
@@ -3190,11 +2847,11 @@ bttv_irq_wakeup_top(struct bttv *btv)
btv->curr.top_irq = 0;
btv->curr.top = NULL;
bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
-
- wakeup->vb.ts = ktime_get_ns();
- wakeup->vb.field_count = btv->field_count;
- wakeup->vb.state = VIDEOBUF_DONE;
- wake_up(&wakeup->vb.done);
+ wakeup->vbuf.vb2_buf.timestamp = ktime_get_ns();
+ wakeup->vbuf.sequence = btv->field_count >> 1;
+ vb2_buffer_done(&wakeup->vbuf.vb2_buf, VB2_BUF_STATE_DONE);
+ if (btv->field_count == 0)
+ btor(BT848_INT_VSYNC, BT848_INT_MASK);
spin_unlock(&btv->s_lock);
}
@@ -3231,7 +2888,7 @@ bttv_irq_switch_video(struct bttv *btv)
/* switch over */
old = btv->curr;
btv->curr = new;
- btv->loop_irq &= ~1;
+ btv->loop_irq &= ~BT848_RISC_VIDEO;
bttv_buffer_activate_video(btv, &new);
bttv_set_dma(btv, 0);
@@ -3242,7 +2899,7 @@ bttv_irq_switch_video(struct bttv *btv)
}
/* wake up finished buffers */
- bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_DONE);
+ bttv_irq_wakeup_video(btv, &old, &new, VB2_BUF_STATE_DONE);
spin_unlock(&btv->s_lock);
}
@@ -3256,7 +2913,7 @@ bttv_irq_switch_vbi(struct bttv *btv)
spin_lock(&btv->s_lock);
if (!list_empty(&btv->vcapture))
- new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
+ new = list_entry(btv->vcapture.next, struct bttv_buffer, list);
old = btv->cvbi;
rc = btread(BT848_RISC_COUNT);
@@ -3271,11 +2928,11 @@ bttv_irq_switch_vbi(struct bttv *btv)
/* switch */
btv->cvbi = new;
- btv->loop_irq &= ~4;
+ btv->loop_irq &= ~BT848_RISC_VBI;
bttv_buffer_activate_vbi(btv, new);
bttv_set_dma(btv, 0);
- bttv_irq_wakeup_vbi(btv, old, VIDEOBUF_DONE);
+ bttv_irq_wakeup_vbi(btv, old, VB2_BUF_STATE_DONE);
spin_unlock(&btv->s_lock);
}
@@ -3334,13 +2991,13 @@ static irqreturn_t bttv_irq(int irq, void *dev_id)
wake_up(&btv->i2c_queue);
}
- if ((astat & BT848_INT_RISCI) && (stat & (4<<28)))
+ if ((astat & BT848_INT_RISCI) && (stat & BT848_INT_RISCS_VBI))
bttv_irq_switch_vbi(btv);
- if ((astat & BT848_INT_RISCI) && (stat & (2<<28)))
+ if ((astat & BT848_INT_RISCI) && (stat & BT848_INT_RISCS_TOP))
bttv_irq_wakeup_top(btv);
- if ((astat & BT848_INT_RISCI) && (stat & (1<<28)))
+ if ((astat & BT848_INT_RISCI) && (stat & BT848_INT_RISCS_VIDEO))
bttv_irq_switch_video(btv);
if ((astat & BT848_INT_HLOCK) && btv->opt_automute)
@@ -3396,11 +3053,12 @@ static irqreturn_t bttv_irq(int irq, void *dev_id)
/* ----------------------------------------------------------------------- */
/* initialization */
-static void vdev_init(struct bttv *btv,
- struct video_device *vfd,
- const struct video_device *template,
- const char *type_name)
+static int vdev_init(struct bttv *btv, struct video_device *vfd,
+ const struct video_device *template,
+ const char *type_name)
{
+ int err;
+ struct vb2_queue *q;
*vfd = *template;
vfd->v4l2_dev = &btv->c.v4l2_dev;
vfd->release = video_device_release_empty;
@@ -3414,6 +3072,36 @@ static void vdev_init(struct bttv *btv,
v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER);
v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER);
}
+
+ if (strcmp(type_name, "radio") == 0)
+ return 0;
+
+ if (strcmp(type_name, "video") == 0) {
+ q = &btv->capq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ q->ops = &bttv_video_qops;
+ } else if (strcmp(type_name, "vbi") == 0) {
+ q = &btv->vbiq;
+ q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ q->ops = &bttv_vbi_qops;
+ } else {
+ return -EINVAL;
+ }
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ | VB2_DMABUF;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->drv_priv = btv;
+ q->gfp_flags = __GFP_DMA32;
+ q->buf_struct_size = sizeof(struct bttv_buffer);
+ q->lock = &btv->lock;
+ q->min_buffers_needed = 2;
+ q->dev = &btv->c.pci->dev;
+ err = vb2_queue_init(q);
+ if (err)
+ return err;
+ vfd->queue = q;
+
+ return 0;
}
static void bttv_unregister_video(struct bttv *btv)
@@ -3621,13 +3309,10 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
bttv_ctrl_coring.def = coring;
/* fill struct bttv with some useful defaults */
- btv->init.btv = btv;
- btv->init.fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
- btv->init.width = 320;
- btv->init.height = 240;
btv->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
btv->width = 320;
btv->height = 240;
+ btv->field = V4L2_FIELD_INTERLACED;
btv->input = 0;
btv->tvnorm = 0; /* Index into bttv_tvnorms[] i.e. PAL. */
bttv_vbi_fmt_reset(&btv->vbi_fmt, btv->tvnorm);
@@ -3708,7 +3393,7 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
result = btv->radio_ctrl_handler.error;
goto fail2;
}
- set_input(btv, 0, btv->tvnorm);
+ set_input(btv, btv->input, btv->tvnorm);
bttv_crop_reset(&btv->crop[0], btv->tvnorm);
btv->crop[1] = btv->crop[0]; /* current = default */
disclaim_vbi_lines(btv);
@@ -67,8 +67,10 @@ bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
/* scan lines */
sg = sglist;
for (line = 0; line < store_lines; line++) {
- if ((btv->opt_vcr_hack) &&
- (line >= (store_lines - VCR_HACK_LINES)))
+ if ((line >= (store_lines - VCR_HACK_LINES)) &&
+ (btv->opt_vcr_hack ||
+ (V4L2_FIELD_HAS_BOTH(btv->field) ||
+ btv->field == V4L2_FIELD_ALTERNATE)))
continue;
while (offset && offset >= sg_dma_len(sg)) {
offset -= sg_dma_len(sg);
@@ -363,13 +365,6 @@ bttv_apply_geo(struct bttv *btv, struct bttv_geometry *geo, int odd)
static void bttv_set_risc_status(struct bttv *btv)
{
unsigned long cmd = BT848_RISC_JUMP;
- /*
- * The value of btv->loop_irq sets or resets the RISC_STATUS for video
- * and/or vbi by setting the value of bits [23:16] in the first dword
- * of the JUMP instruction:
- * video risc: set (1) and reset (~1)
- * vbi risc: set(4) and reset (~4)
- */
if (btv->loop_irq) {
cmd |= BT848_RISC_IRQ;
cmd |= (btv->loop_irq & 0x0f) << 16;
@@ -410,7 +405,8 @@ static void bttv_start_dma(struct bttv *btv)
if (btv->dma_on)
return;
btwrite(btv->main.dma, BT848_RISC_STRT_ADD);
- btor(0x3, BT848_GPIO_DMA_CTL);
+ btor(BT848_GPIO_DMA_CTL_RISC_ENABLE | BT848_GPIO_DMA_CTL_FIFO_ENABLE,
+ BT848_GPIO_DMA_CTL);
btv->dma_on = 1;
}
@@ -418,7 +414,8 @@ static void bttv_stop_dma(struct bttv *btv)
{
if (!btv->dma_on)
return;
- btand(~0x3, BT848_GPIO_DMA_CTL);
+ btand(~(BT848_GPIO_DMA_CTL_RISC_ENABLE |
+ BT848_GPIO_DMA_CTL_FIFO_ENABLE), BT848_GPIO_DMA_CTL);
btv->dma_on = 0;
}
@@ -509,17 +506,50 @@ bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
return 0;
}
-void
-bttv_dma_free(struct videobuf_queue *q,struct bttv *btv, struct bttv_buffer *buf)
+int bttv_buffer_risc_vbi(struct bttv *btv, struct bttv_buffer *buf)
{
- struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
-
- videobuf_waiton(q, &buf->vb, 0, 0);
- videobuf_dma_unmap(q->dev, dma);
- videobuf_dma_free(dma);
- btcx_riscmem_free(btv->c.pci,&buf->bottom);
- btcx_riscmem_free(btv->c.pci,&buf->top);
- buf->vb.state = VIDEOBUF_NEEDS_INIT;
+ int r = 0;
+ unsigned int offset;
+ unsigned int bpl = 2044; /* max. vbipack */
+ unsigned int padding = VBI_BPL - bpl;
+ unsigned int skip_lines0 = 0;
+ unsigned int skip_lines1 = 0;
+ unsigned int min_vdelay = MIN_VDELAY;
+
+ const struct bttv_tvnorm *tvnorm = btv->vbi_fmt.tvnorm;
+ struct sg_table *sgt = vb2_dma_sg_plane_desc(&buf->vbuf.vb2_buf, 0);
+ struct scatterlist *list = sgt->sgl;
+
+ if (btv->vbi_fmt.fmt.count[0] > 0)
+ skip_lines0 = max(0, (btv->vbi_fmt.fmt.start[0] -
+ tvnorm->vbistart[0]));
+ if (btv->vbi_fmt.fmt.count[1] > 0)
+ skip_lines1 = max(0, (btv->vbi_fmt.fmt.start[1] -
+ tvnorm->vbistart[1]));
+
+ if (btv->vbi_fmt.fmt.count[0] > 0) {
+ r = bttv_risc_packed(btv, &buf->top, list, 0, bpl, padding,
+ skip_lines0, btv->vbi_fmt.fmt.count[0]);
+ if (r)
+ return r;
+ }
+
+ if (btv->vbi_fmt.fmt.count[1] > 0) {
+ offset = btv->vbi_fmt.fmt.count[0] * VBI_BPL;
+ r = bttv_risc_packed(btv, &buf->bottom, list, offset, bpl,
+ padding, skip_lines1,
+ btv->vbi_fmt.fmt.count[1]);
+ if (r)
+ return r;
+ }
+
+ if (btv->vbi_fmt.end >= tvnorm->cropcap.bounds.top)
+ min_vdelay += btv->vbi_fmt.end - tvnorm->cropcap.bounds.top;
+
+ /* For bttv_buffer_activate_vbi(). */
+ buf->geo.vdelay = min_vdelay;
+
+ return r;
}
int
@@ -539,8 +569,7 @@ bttv_buffer_activate_vbi(struct bttv *btv,
if (vbi) {
unsigned int crop, vdelay;
- vbi->vb.state = VIDEOBUF_ACTIVE;
- list_del(&vbi->vb.queue);
+ list_del(&vbi->list);
/* VDELAY is start of video, end of VBI capturing. */
crop = btread(BT848_E_CROP);
@@ -581,16 +610,13 @@ bttv_buffer_activate_video(struct bttv *btv,
/* video capture */
if (NULL != set->top && NULL != set->bottom) {
if (set->top == set->bottom) {
- set->top->vb.state = VIDEOBUF_ACTIVE;
- if (set->top->vb.queue.next)
- list_del(&set->top->vb.queue);
+ if (set->top->list.next)
+ list_del(&set->top->list);
} else {
- set->top->vb.state = VIDEOBUF_ACTIVE;
- set->bottom->vb.state = VIDEOBUF_ACTIVE;
- if (set->top->vb.queue.next)
- list_del(&set->top->vb.queue);
- if (set->bottom->vb.queue.next)
- list_del(&set->bottom->vb.queue);
+ if (set->top->list.next)
+ list_del(&set->top->list);
+ if (set->bottom->list.next)
+ list_del(&set->bottom->list);
}
bttv_apply_geo(btv, &set->top->geo, 1);
bttv_apply_geo(btv, &set->bottom->geo,0);
@@ -603,9 +629,8 @@ bttv_buffer_activate_video(struct bttv *btv,
btaor((set->top->btswap & 0x0a) | (set->bottom->btswap & 0x05),
~0x0f, BT848_COLOR_CTL);
} else if (NULL != set->top) {
- set->top->vb.state = VIDEOBUF_ACTIVE;
- if (set->top->vb.queue.next)
- list_del(&set->top->vb.queue);
+ if (set->top->list.next)
+ list_del(&set->top->list);
bttv_apply_geo(btv, &set->top->geo,1);
bttv_apply_geo(btv, &set->top->geo,0);
bttv_risc_hook(btv, RISC_SLOT_O_FIELD, &set->top->top,
@@ -614,9 +639,8 @@ bttv_buffer_activate_video(struct bttv *btv,
btaor(set->top->btformat & 0xff, ~0xff, BT848_COLOR_FMT);
btaor(set->top->btswap & 0x0f, ~0x0f, BT848_COLOR_CTL);
} else if (NULL != set->bottom) {
- set->bottom->vb.state = VIDEOBUF_ACTIVE;
- if (set->bottom->vb.queue.next)
- list_del(&set->bottom->vb.queue);
+ if (set->bottom->list.next)
+ list_del(&set->bottom->list);
bttv_apply_geo(btv, &set->bottom->geo,1);
bttv_apply_geo(btv, &set->bottom->geo,0);
bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
@@ -637,58 +661,54 @@ bttv_buffer_activate_video(struct bttv *btv,
int
bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
{
+ int r = 0;
const struct bttv_tvnorm *tvnorm = bttv_tvnorms + btv->tvnorm;
- struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
-
- dprintk("%d: buffer field: %s format: 0x%08x size: %dx%d\n",
- btv->c.nr, v4l2_field_names[buf->vb.field],
- btv->fmt->fourcc, buf->vb.width, buf->vb.height);
+ struct sg_table *sgt = vb2_dma_sg_plane_desc(&buf->vbuf.vb2_buf, 0);
+ struct scatterlist *list = sgt->sgl;
+ unsigned long size = (btv->fmt->depth * btv->width * btv->height) >> 3;
/* packed pixel modes */
if (btv->fmt->flags & FORMAT_FLAGS_PACKED) {
- int bpl = (btv->fmt->depth >> 3) * buf->vb.width;
- int bpf = bpl * (buf->vb.height >> 1);
-
- bttv_calc_geo(btv,&buf->geo,buf->vb.width,buf->vb.height,
- V4L2_FIELD_HAS_BOTH(buf->vb.field),
- tvnorm, &btv->crop[!!btv->do_crop].rect);
+ int bpl = (btv->fmt->depth >> 3) * btv->width;
+ int bpf = bpl * (btv->height >> 1);
- switch (buf->vb.field) {
+ bttv_calc_geo(btv, &buf->geo, btv->width, btv->height,
+ V4L2_FIELD_HAS_BOTH(buf->vbuf.field), tvnorm,
+ &btv->crop[!!btv->do_crop].rect);
+ switch (buf->vbuf.field) {
case V4L2_FIELD_TOP:
- bttv_risc_packed(btv,&buf->top,dma->sglist,
- /* offset */ 0,bpl,
- /* padding */ 0,/* skip_lines */ 0,
- buf->vb.height);
+ r = bttv_risc_packed(btv, &buf->top, list, 0, bpl, 0,
+ 0, btv->height);
break;
case V4L2_FIELD_BOTTOM:
- bttv_risc_packed(btv,&buf->bottom,dma->sglist,
- 0,bpl,0,0,buf->vb.height);
+ r = bttv_risc_packed(btv, &buf->bottom, list, 0, bpl,
+ 0, 0, btv->height);
break;
case V4L2_FIELD_INTERLACED:
- bttv_risc_packed(btv,&buf->top,dma->sglist,
- 0,bpl,bpl,0,buf->vb.height >> 1);
- bttv_risc_packed(btv,&buf->bottom,dma->sglist,
- bpl,bpl,bpl,0,buf->vb.height >> 1);
+ r = bttv_risc_packed(btv, &buf->top, list, 0, bpl,
+ bpl, 0, btv->height >> 1);
+ r = bttv_risc_packed(btv, &buf->bottom, list, bpl,
+ bpl, bpl, 0, btv->height >> 1);
break;
case V4L2_FIELD_SEQ_TB:
- bttv_risc_packed(btv,&buf->top,dma->sglist,
- 0,bpl,0,0,buf->vb.height >> 1);
- bttv_risc_packed(btv,&buf->bottom,dma->sglist,
- bpf,bpl,0,0,buf->vb.height >> 1);
+ r = bttv_risc_packed(btv, &buf->top, list, 0, bpl, 0,
+ 0, btv->height >> 1);
+ r = bttv_risc_packed(btv, &buf->bottom, list, bpf,
+ bpl, 0, 0, btv->height >> 1);
break;
default:
WARN_ON(1);
+ return -EINVAL;
}
}
-
/* planar modes */
if (btv->fmt->flags & FORMAT_FLAGS_PLANAR) {
int uoffset, voffset;
int ypadding, cpadding, lines;
/* calculate chroma offsets */
- uoffset = buf->vb.width * buf->vb.height;
- voffset = buf->vb.width * buf->vb.height;
+ uoffset = btv->width * btv->height;
+ voffset = btv->width * btv->height;
if (btv->fmt->flags & FORMAT_FLAGS_CrCb) {
/* Y-Cr-Cb plane order */
uoffset >>= btv->fmt->hshift;
@@ -700,93 +720,87 @@ bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf)
voffset >>= btv->fmt->vshift;
voffset += uoffset;
}
-
- switch (buf->vb.field) {
+ switch (buf->vbuf.field) {
case V4L2_FIELD_TOP:
- bttv_calc_geo(btv,&buf->geo,buf->vb.width,
- buf->vb.height,/* both_fields */ 0,
- tvnorm, &btv->crop[!!btv->do_crop].rect);
- bttv_risc_planar(btv, &buf->top, dma->sglist,
- 0,buf->vb.width,0,buf->vb.height,
- uoffset, voffset, btv->fmt->hshift,
- btv->fmt->vshift, 0);
+ bttv_calc_geo(btv, &buf->geo, btv->width, btv->height,
+ 0, tvnorm,
+ &btv->crop[!!btv->do_crop].rect);
+ r = bttv_risc_planar(btv, &buf->top, list, 0,
+ btv->width, 0, btv->height,
+ uoffset, voffset,
+ btv->fmt->hshift,
+ btv->fmt->vshift, 0);
break;
case V4L2_FIELD_BOTTOM:
- bttv_calc_geo(btv,&buf->geo,buf->vb.width,
- buf->vb.height,0,
- tvnorm, &btv->crop[!!btv->do_crop].rect);
- bttv_risc_planar(btv, &buf->bottom, dma->sglist,
- 0,buf->vb.width,0,buf->vb.height,
- uoffset, voffset, btv->fmt->hshift,
- btv->fmt->vshift, 0);
+ bttv_calc_geo(btv, &buf->geo, btv->width, btv->height,
+ 0, tvnorm,
+ &btv->crop[!!btv->do_crop].rect);
+ r = bttv_risc_planar(btv, &buf->bottom, list, 0,
+ btv->width, 0, btv->height,
+ uoffset, voffset,
+ btv->fmt->hshift,
+ btv->fmt->vshift, 0);
break;
case V4L2_FIELD_INTERLACED:
- bttv_calc_geo(btv,&buf->geo,buf->vb.width,
- buf->vb.height,1,
- tvnorm, &btv->crop[!!btv->do_crop].rect);
- lines = buf->vb.height >> 1;
- ypadding = buf->vb.width;
- cpadding = buf->vb.width >> btv->fmt->hshift;
- bttv_risc_planar(btv,&buf->top,
- dma->sglist,
- 0,buf->vb.width,ypadding,lines,
- uoffset,voffset,
- btv->fmt->hshift,
- btv->fmt->vshift,
- cpadding);
- bttv_risc_planar(btv,&buf->bottom,
- dma->sglist,
- ypadding,buf->vb.width,ypadding,lines,
- uoffset+cpadding,
- voffset+cpadding,
- btv->fmt->hshift,
- btv->fmt->vshift,
- cpadding);
+ bttv_calc_geo(btv, &buf->geo, btv->width, btv->height,
+ 1, tvnorm,
+ &btv->crop[!!btv->do_crop].rect);
+ lines = btv->height >> 1;
+ ypadding = btv->width;
+ cpadding = btv->width >> btv->fmt->hshift;
+ r = bttv_risc_planar(btv, &buf->top, list, 0,
+ btv->width, ypadding, lines,
+ uoffset, voffset,
+ btv->fmt->hshift,
+ btv->fmt->vshift, cpadding);
+
+ r = bttv_risc_planar(btv, &buf->bottom, list,
+ ypadding, btv->width, ypadding,
+ lines, uoffset + cpadding,
+ voffset + cpadding,
+ btv->fmt->hshift,
+ btv->fmt->vshift, cpadding);
break;
case V4L2_FIELD_SEQ_TB:
- bttv_calc_geo(btv,&buf->geo,buf->vb.width,
- buf->vb.height,1,
- tvnorm, &btv->crop[!!btv->do_crop].rect);
- lines = buf->vb.height >> 1;
- ypadding = buf->vb.width;
- cpadding = buf->vb.width >> btv->fmt->hshift;
- bttv_risc_planar(btv,&buf->top,
- dma->sglist,
- 0,buf->vb.width,0,lines,
- uoffset >> 1,
- voffset >> 1,
- btv->fmt->hshift,
- btv->fmt->vshift,
- 0);
- bttv_risc_planar(btv,&buf->bottom,
- dma->sglist,
- lines * ypadding,buf->vb.width,0,lines,
- lines * ypadding + (uoffset >> 1),
- lines * ypadding + (voffset >> 1),
- btv->fmt->hshift,
- btv->fmt->vshift,
- 0);
+ bttv_calc_geo(btv, &buf->geo, btv->width, btv->height,
+ 1, tvnorm,
+ &btv->crop[!!btv->do_crop].rect);
+ lines = btv->height >> 1;
+ ypadding = btv->width;
+ cpadding = btv->width >> btv->fmt->hshift;
+ r = bttv_risc_planar(btv, &buf->top, list, 0,
+ btv->width, 0, lines,
+ uoffset >> 1, voffset >> 1,
+ btv->fmt->hshift,
+ btv->fmt->vshift, 0);
+ r = bttv_risc_planar(btv, &buf->bottom, list,
+ lines * ypadding,
+ btv->width, 0, lines,
+ lines * ypadding + (uoffset >> 1),
+ lines * ypadding + (voffset >> 1),
+ btv->fmt->hshift,
+ btv->fmt->vshift, 0);
break;
default:
WARN_ON(1);
+ return -EINVAL;
}
}
-
/* raw data */
if (btv->fmt->flags & FORMAT_FLAGS_RAW) {
/* build risc code */
- buf->vb.field = V4L2_FIELD_SEQ_TB;
- bttv_calc_geo(btv,&buf->geo,tvnorm->swidth,tvnorm->sheight,
+ buf->vbuf.field = V4L2_FIELD_SEQ_TB;
+ bttv_calc_geo(btv, &buf->geo, tvnorm->swidth, tvnorm->sheight,
1, tvnorm, &btv->crop[!!btv->do_crop].rect);
- bttv_risc_packed(btv, &buf->top, dma->sglist,
- /* offset */ 0, RAW_BPL, /* padding */ 0,
- /* skip_lines */ 0, RAW_LINES);
- bttv_risc_packed(btv, &buf->bottom, dma->sglist,
- buf->vb.size/2 , RAW_BPL, 0, 0, RAW_LINES);
+ r = bttv_risc_packed(btv, &buf->top, list, 0, RAW_BPL, 0, 0,
+ RAW_LINES);
+ r = bttv_risc_packed(btv, &buf->bottom, list, size / 2,
+ RAW_BPL, 0, 0, RAW_LINES);
}
/* copy format info */
buf->btformat = btv->fmt->btformat;
buf->btswap = btv->fmt->btswap;
- return 0;
+
+ return r;
}
@@ -34,16 +34,6 @@
to be about 244. */
#define VBI_OFFSET 244
-/* 2048 for compatibility with earlier driver versions. The driver
- really stores 1024 + tvnorm->vbipack * 4 samples per line in the
- buffer. Note tvnorm->vbipack is <= 0xFF (limit of VBIPACK_LO + HI
- is 0x1FF DWORDs) and VBI read()s store a frame counter in the last
- four bytes of the VBI image. */
-#define VBI_BPL 2048
-
-/* Compatibility. */
-#define VBI_DEFLINES 16
-
static unsigned int vbibufs = 4;
static unsigned int vbi_debug;
@@ -67,165 +57,123 @@ do { \
/* ----------------------------------------------------------------------- */
/* vbi risc code + mm */
-static int vbi_buffer_setup(struct videobuf_queue *q,
- unsigned int *count, unsigned int *size)
+static int queue_setup_vbi(struct vb2_queue *q, unsigned int *num_buffers,
+ unsigned int *num_planes, unsigned int sizes[],
+ struct device *alloc_devs[])
{
- struct bttv_fh *fh = q->priv_data;
- struct bttv *btv = fh->btv;
-
- if (0 == *count)
- *count = vbibufs;
-
- *size = IMAGE_SIZE(&fh->vbi_fmt.fmt);
+ struct bttv *btv = vb2_get_drv_priv(q);
+ unsigned int size = IMAGE_SIZE(&btv->vbi_fmt.fmt);
- dprintk("setup: samples=%u start=%d,%d count=%u,%u\n",
- fh->vbi_fmt.fmt.samples_per_line,
- fh->vbi_fmt.fmt.start[0],
- fh->vbi_fmt.fmt.start[1],
- fh->vbi_fmt.fmt.count[0],
- fh->vbi_fmt.fmt.count[1]);
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
+ *num_planes = 1;
+ sizes[0] = size;
return 0;
}
-static int vbi_buffer_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
+static void buf_queue_vbi(struct vb2_buffer *vb)
{
- struct bttv_fh *fh = q->priv_data;
- struct bttv *btv = fh->btv;
- struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
- const struct bttv_tvnorm *tvnorm;
- unsigned int skip_lines0, skip_lines1, min_vdelay;
- int redo_dma_risc;
- int rc;
-
- buf->vb.size = IMAGE_SIZE(&fh->vbi_fmt.fmt);
- if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
- return -EINVAL;
-
- tvnorm = fh->vbi_fmt.tvnorm;
-
- /* There's no VBI_VDELAY register, RISC must skip the lines
- we don't want. With default parameters we skip zero lines
- as earlier driver versions did. The driver permits video
- standard changes while capturing, so we use vbi_fmt.tvnorm
- instead of btv->tvnorm to skip zero lines after video
- standard changes as well. */
-
- skip_lines0 = 0;
- skip_lines1 = 0;
-
- if (fh->vbi_fmt.fmt.count[0] > 0)
- skip_lines0 = max(0, (fh->vbi_fmt.fmt.start[0]
- - tvnorm->vbistart[0]));
- if (fh->vbi_fmt.fmt.count[1] > 0)
- skip_lines1 = max(0, (fh->vbi_fmt.fmt.start[1]
- - tvnorm->vbistart[1]));
-
- redo_dma_risc = 0;
-
- if (btv->vbi_skip[0] != skip_lines0 ||
- btv->vbi_skip[1] != skip_lines1 ||
- btv->vbi_count[0] != fh->vbi_fmt.fmt.count[0] ||
- btv->vbi_count[1] != fh->vbi_fmt.fmt.count[1]) {
- btv->vbi_skip[0] = skip_lines0;
- btv->vbi_skip[1] = skip_lines1;
- btv->vbi_count[0] = fh->vbi_fmt.fmt.count[0];
- btv->vbi_count[1] = fh->vbi_fmt.fmt.count[1];
- redo_dma_risc = 1;
- }
-
- if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
- redo_dma_risc = 1;
- if (0 != (rc = videobuf_iolock(q, &buf->vb, NULL)))
- goto fail;
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct bttv *btv = vb2_get_drv_priv(vq);
+ struct bttv_buffer *buf = container_of(vbuf, struct bttv_buffer, vbuf);
+ unsigned long flags;
+
+ spin_lock_irqsave(&btv->s_lock, flags);
+ if (list_empty(&btv->vcapture)) {
+ btv->loop_irq = BT848_RISC_VBI;
+ if (vb2_is_streaming(&btv->capq))
+ btv->loop_irq |= BT848_RISC_VIDEO;
+ bttv_set_dma(btv, BT848_CAP_CTL_CAPTURE_VBI_ODD |
+ BT848_CAP_CTL_CAPTURE_VBI_EVEN);
}
+ list_add_tail(&buf->list, &btv->vcapture);
+ spin_unlock_irqrestore(&btv->s_lock, flags);
+}
- if (redo_dma_risc) {
- unsigned int bpl, padding, offset;
- struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
-
- bpl = 2044; /* max. vbipack */
- padding = VBI_BPL - bpl;
-
- if (fh->vbi_fmt.fmt.count[0] > 0) {
- rc = bttv_risc_packed(btv, &buf->top,
- dma->sglist,
- /* offset */ 0, bpl,
- padding, skip_lines0,
- fh->vbi_fmt.fmt.count[0]);
- if (0 != rc)
- goto fail;
- }
-
- if (fh->vbi_fmt.fmt.count[1] > 0) {
- offset = fh->vbi_fmt.fmt.count[0] * VBI_BPL;
+static int buf_prepare_vbi(struct vb2_buffer *vb)
+{
+ int ret = 0;
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct bttv *btv = vb2_get_drv_priv(vq);
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct bttv_buffer *buf = container_of(vbuf, struct bttv_buffer, vbuf);
+ unsigned int size = IMAGE_SIZE(&btv->vbi_fmt.fmt);
+
+ if (vb2_plane_size(vb, 0) < size)
+ return -EINVAL;
+ vb2_set_plane_payload(vb, 0, size);
+ buf->vbuf.field = V4L2_FIELD_NONE;
+ ret = bttv_buffer_risc_vbi(btv, buf);
- rc = bttv_risc_packed(btv, &buf->bottom,
- dma->sglist,
- offset, bpl,
- padding, skip_lines1,
- fh->vbi_fmt.fmt.count[1]);
- if (0 != rc)
- goto fail;
- }
- }
+ return ret;
+}
- /* VBI capturing ends at VDELAY, start of video capturing,
- no matter where the RISC program ends. VDELAY minimum is 2,
- bounds.top is the corresponding first field line number
- times two. VDELAY counts half field lines. */
- min_vdelay = MIN_VDELAY;
- if (fh->vbi_fmt.end >= tvnorm->cropcap.bounds.top)
- min_vdelay += fh->vbi_fmt.end - tvnorm->cropcap.bounds.top;
-
- /* For bttv_buffer_activate_vbi(). */
- buf->geo.vdelay = min_vdelay;
-
- buf->vb.state = VIDEOBUF_PREPARED;
- buf->vb.field = field;
- dprintk("buf prepare %p: top=%p bottom=%p field=%s\n",
- vb, &buf->top, &buf->bottom,
- v4l2_field_names[buf->vb.field]);
- return 0;
+static void buf_cleanup_vbi(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct bttv_buffer *buf = container_of(vbuf, struct bttv_buffer, vbuf);
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct bttv *btv = vb2_get_drv_priv(vq);
- fail:
- bttv_dma_free(q,btv,buf);
- return rc;
+ btcx_riscmem_free(btv->c.pci, &buf->top);
+ btcx_riscmem_free(btv->c.pci, &buf->bottom);
}
-static void
-vbi_buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static int start_streaming_vbi(struct vb2_queue *q, unsigned int count)
{
- struct bttv_fh *fh = q->priv_data;
- struct bttv *btv = fh->btv;
- struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
-
- dprintk("queue %p\n",vb);
- buf->vb.state = VIDEOBUF_QUEUED;
- list_add_tail(&buf->vb.queue,&btv->vcapture);
- if (NULL == btv->cvbi) {
- fh->btv->loop_irq |= 4;
- bttv_set_dma(btv,0x0c);
+ int ret;
+ int seqnr = 0;
+ struct bttv_buffer *buf;
+ struct bttv *btv = vb2_get_drv_priv(q);
+
+ btv->framedrop = 0;
+ ret = check_alloc_btres_lock(btv, RESOURCE_VBI);
+ if (ret == 0) {
+ if (btv->field_count)
+ seqnr++;
+ while (!list_empty(&btv->vcapture)) {
+ buf = list_entry(btv->vcapture.next,
+ struct bttv_buffer, list);
+ list_del(&buf->list);
+ buf->vbuf.sequence = (btv->field_count >> 1) + seqnr++;
+ vb2_buffer_done(&buf->vbuf.vb2_buf,
+ VB2_BUF_STATE_QUEUED);
+ }
+ return !ret;
}
+ if (!vb2_is_streaming(&btv->capq)) {
+ init_irqreg(btv);
+ btv->field_count = 0;
+ }
+ return !ret;
}
-static void vbi_buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static void stop_streaming_vbi(struct vb2_queue *q)
{
- struct bttv_fh *fh = q->priv_data;
- struct bttv *btv = fh->btv;
- struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
-
- dprintk("free %p\n",vb);
- bttv_dma_free(q,fh->btv,buf);
+ struct bttv *btv = vb2_get_drv_priv(q);
+ unsigned long flags;
+
+ vb2_wait_for_all_buffers(q);
+ spin_lock_irqsave(&btv->s_lock, flags);
+ free_btres_lock(btv, RESOURCE_VBI);
+ if (!vb2_is_streaming(&btv->capq)) {
+ /* stop field counter */
+ btand(~BT848_INT_VSYNC, BT848_INT_MASK);
+ }
+ spin_unlock_irqrestore(&btv->s_lock, flags);
}
-const struct videobuf_queue_ops bttv_vbi_qops = {
- .buf_setup = vbi_buffer_setup,
- .buf_prepare = vbi_buffer_prepare,
- .buf_queue = vbi_buffer_queue,
- .buf_release = vbi_buffer_release,
+const struct vb2_ops bttv_vbi_qops = {
+ .queue_setup = queue_setup_vbi,
+ .buf_queue = buf_queue_vbi,
+ .buf_prepare = buf_prepare_vbi,
+ .buf_cleanup = buf_cleanup_vbi,
+ .start_streaming = start_streaming_vbi,
+ .stop_streaming = stop_streaming_vbi,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
};
/* ----------------------------------------------------------------------- */
@@ -316,7 +264,6 @@ int bttv_try_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)
int bttv_s_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)
{
- struct bttv_fh *fh = f;
struct bttv *btv = video_drvdata(file);
const struct bttv_tvnorm *tvnorm;
__s32 start1, end;
@@ -325,7 +272,7 @@ int bttv_s_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)
mutex_lock(&btv->lock);
rc = -EBUSY;
- if (fh->resources & RESOURCE_VBI)
+ if (btv->resources & RESOURCE_VBI)
goto fail;
tvnorm = &bttv_tvnorms[btv->tvnorm];
@@ -345,17 +292,10 @@ int bttv_s_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)
because vbi_fmt.end counts field lines times two. */
end = max(frt->fmt.vbi.start[0], start1) * 2 + 2;
- mutex_lock(&fh->vbi.vb_lock);
-
- fh->vbi_fmt.fmt = frt->fmt.vbi;
- fh->vbi_fmt.tvnorm = tvnorm;
- fh->vbi_fmt.end = end;
btv->vbi_fmt.fmt = frt->fmt.vbi;
btv->vbi_fmt.tvnorm = tvnorm;
btv->vbi_fmt.end = end;
- mutex_unlock(&fh->vbi.vb_lock);
-
rc = 0;
fail:
@@ -26,7 +26,7 @@
#include <media/v4l2-common.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.h>
-#include <media/videobuf-dma-sg.h>
+#include <media/videobuf2-dma-sg.h>
#include <media/tveeprom.h>
#include <media/rc-core.h>
#include <media/i2c/ir-kbd-i2c.h>
@@ -142,7 +142,8 @@ struct bttv_geometry {
struct bttv_buffer {
/* common v4l buffer stuff -- must be first */
- struct videobuf_buffer vb;
+ struct vb2_v4l2_buffer vbuf;
+ struct list_head list;
/* bttv specific */
int btformat;
@@ -171,6 +172,8 @@ struct bttv_vbi_fmt {
};
/* bttv-vbi.c */
+extern const struct vb2_ops bttv_vbi_qops;
+
void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);
struct bttv_crop {
@@ -187,28 +190,6 @@ struct bttv_crop {
__s32 max_scaled_height;
};
-struct bttv_fh {
- /* This must be the first field in this struct */
- struct v4l2_fh fh;
-
- struct bttv *btv;
- int resources;
- enum v4l2_buf_type type;
-
- /* video capture */
- struct videobuf_queue cap;
- const struct bttv_format *fmt;
- int width;
- int height;
-
- /* vbi capture */
- struct videobuf_queue vbi;
- /* Current VBI capture window as seen through this fh (cannot
- be global for compatibility with earlier drivers). Protected
- by struct bttv.lock and struct bttv_fh.vbi.lock. */
- struct bttv_vbi_fmt vbi_fmt;
-};
-
/* ---------------------------------------------------------- */
/* bttv-risc.c */
@@ -229,22 +210,27 @@ int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
int bttv_buffer_activate_video(struct bttv *btv,
struct bttv_buffer_set *set);
+int bttv_buffer_risc_vbi(struct bttv *btv, struct bttv_buffer *buf);
int bttv_buffer_activate_vbi(struct bttv *btv,
struct bttv_buffer *vbi);
-void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
- struct bttv_buffer *buf);
/* ---------------------------------------------------------- */
/* bttv-vbi.c */
+/*
+ * 2048 for compatibility with earlier driver versions. The driver really
+ * stores 1024 + tvnorm->vbipack * 4 samples per line in the buffer. Note
+ * tvnorm->vbipack is <= 0xFF (limit of VBIPACK_LO + HI is 0x1FF DWORDs) and
+ * VBI read()s store a frame counter in the last four bytes of the VBI image.
+ */
+#define VBI_BPL 2048
+
#define VBI_DEFLINES 16
int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
-extern const struct videobuf_queue_ops bttv_vbi_qops;
-
/* ---------------------------------------------------------- */
/* bttv-gpio.c */
@@ -269,6 +255,8 @@ extern int fini_bttv_i2c(struct bttv *btv);
extern unsigned int bttv_verbose;
extern unsigned int bttv_debug;
extern unsigned int bttv_gpio;
+int check_alloc_btres_lock(struct bttv *btv, int bit);
+void free_btres_lock(struct bttv *btv, int bits);
extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
#define dprintk(fmt, ...) \
@@ -390,7 +378,7 @@ struct bttv {
v4l2_std_id std;
int hue, contrast, bright, saturation;
struct v4l2_framebuffer fbuf;
- unsigned int field_count;
+ __u32 field_count;
/* various options */
int opt_combfilter;
@@ -441,12 +429,21 @@ struct bttv {
unsigned int irq_me;
unsigned int users;
- struct bttv_fh init;
+ struct v4l2_fh fh;
+ enum v4l2_buf_type type;
+
+ enum v4l2_field field;
+ int field_last;
+
+ /* video capture */
+ struct vb2_queue capq;
const struct bttv_format *fmt;
int width;
int height;
+
+ /* vbi capture */
+ struct vb2_queue vbiq;
struct bttv_vbi_fmt vbi_fmt;
- unsigned int vbi_skip[2];
unsigned int vbi_count[2];
/* Application called VIDIOC_S_SELECTION. */
@@ -489,6 +486,8 @@ static inline unsigned int bttv_muxsel(const struct bttv *btv,
#endif
+void init_irqreg(struct bttv *btv);
+
#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
#define btread(adr) readl(btv->bt848_mmio+(adr))
Convert this driver from the old videobuf framework to videobuf2. Signed-off-by: Deborah Brouwer <deborah.brouwer@collabora.com> --- drivers/media/pci/bt8xx/Kconfig | 2 +- drivers/media/pci/bt8xx/bt848.h | 8 + drivers/media/pci/bt8xx/bttv-driver.c | 829 ++++++++------------------ drivers/media/pci/bt8xx/bttv-risc.c | 284 ++++----- drivers/media/pci/bt8xx/bttv-vbi.c | 254 +++----- drivers/media/pci/bt8xx/bttvp.h | 61 +- 6 files changed, 542 insertions(+), 896 deletions(-)