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path: root/drivers/media/pci/cx88/cx88-dvb.c
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Diffstat (limited to 'drivers/media/pci/cx88/cx88-dvb.c')
-rw-r--r--drivers/media/pci/cx88/cx88-dvb.c158
1 files changed, 108 insertions, 50 deletions
diff --git a/drivers/media/pci/cx88/cx88-dvb.c b/drivers/media/pci/cx88/cx88-dvb.c
index 053ed1ba1d85..c344bfd0b896 100644
--- a/drivers/media/pci/cx88/cx88-dvb.c
+++ b/drivers/media/pci/cx88/cx88-dvb.c
@@ -82,43 +82,89 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
/* ------------------------------------------------------------------ */
-static int dvb_buf_setup(struct videobuf_queue *q,
- unsigned int *count, unsigned int *size)
+static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+ unsigned int *num_buffers, unsigned int *num_planes,
+ unsigned int sizes[], void *alloc_ctxs[])
{
- struct cx8802_dev *dev = q->priv_data;
+ struct cx8802_dev *dev = q->drv_priv;
+ *num_planes = 1;
dev->ts_packet_size = 188 * 4;
dev->ts_packet_count = dvb_buf_tscnt;
-
- *size = dev->ts_packet_size * dev->ts_packet_count;
- *count = dvb_buf_tscnt;
+ sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
+ *num_buffers = dvb_buf_tscnt;
return 0;
}
-static int dvb_buf_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb, enum v4l2_field field)
+static int buffer_prepare(struct vb2_buffer *vb)
+{
+ struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
+
+ return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
+}
+
+static void buffer_finish(struct vb2_buffer *vb)
+{
+ struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
+ struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
+ struct cx88_riscmem *risc = &buf->risc;
+
+ if (risc->cpu)
+ pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
+ memset(risc, 0, sizeof(*risc));
+
+ dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
+}
+
+static void buffer_queue(struct vb2_buffer *vb)
{
- struct cx8802_dev *dev = q->priv_data;
- return cx8802_buf_prepare(q, dev, (struct cx88_buffer*)vb,field);
+ struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
+ struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb);
+
+ cx8802_buf_queue(dev, buf);
}
-static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+static int start_streaming(struct vb2_queue *q, unsigned int count)
{
- struct cx8802_dev *dev = q->priv_data;
- cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
+ struct cx8802_dev *dev = q->drv_priv;
+ struct cx88_dmaqueue *dmaq = &dev->mpegq;
+ struct cx88_buffer *buf;
+
+ buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
+ cx8802_start_dma(dev, dmaq, buf);
+ return 0;
}
-static void dvb_buf_release(struct videobuf_queue *q,
- struct videobuf_buffer *vb)
+static void stop_streaming(struct vb2_queue *q)
{
- cx88_free_buffer(q, (struct cx88_buffer*)vb);
+ struct cx8802_dev *dev = q->drv_priv;
+ struct cx88_dmaqueue *dmaq = &dev->mpegq;
+ unsigned long flags;
+
+ cx8802_cancel_buffers(dev);
+
+ spin_lock_irqsave(&dev->slock, flags);
+ while (!list_empty(&dmaq->active)) {
+ struct cx88_buffer *buf = list_entry(dmaq->active.next,
+ struct cx88_buffer, list);
+
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+ spin_unlock_irqrestore(&dev->slock, flags);
}
-static const struct videobuf_queue_ops dvb_qops = {
- .buf_setup = dvb_buf_setup,
- .buf_prepare = dvb_buf_prepare,
- .buf_queue = dvb_buf_queue,
- .buf_release = dvb_buf_release,
+static struct vb2_ops dvb_qops = {
+ .queue_setup = queue_setup,
+ .buf_prepare = buffer_prepare,
+ .buf_finish = buffer_finish,
+ .buf_queue = buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+ .start_streaming = start_streaming,
+ .stop_streaming = stop_streaming,
};
/* ------------------------------------------------------------------ */
@@ -130,7 +176,7 @@ static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
int ret = 0;
int fe_id;
- fe_id = videobuf_dvb_find_frontend(&dev->frontends, fe);
+ fe_id = vb2_dvb_find_frontend(&dev->frontends, fe);
if (!fe_id) {
printk(KERN_ERR "%s() No frontend found\n", __func__);
return -EINVAL;
@@ -154,8 +200,8 @@ static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
static void cx88_dvb_gate_ctrl(struct cx88_core *core, int open)
{
- struct videobuf_dvb_frontends *f;
- struct videobuf_dvb_frontend *fe;
+ struct vb2_dvb_frontends *f;
+ struct vb2_dvb_frontend *fe;
if (!core->dvbdev)
return;
@@ -166,9 +212,9 @@ static void cx88_dvb_gate_ctrl(struct cx88_core *core, int open)
return;
if (f->gate <= 1) /* undefined or fe0 */
- fe = videobuf_dvb_get_frontend(f, 1);
+ fe = vb2_dvb_get_frontend(f, 1);
else
- fe = videobuf_dvb_get_frontend(f, f->gate);
+ fe = vb2_dvb_get_frontend(f, f->gate);
if (fe && fe->dvb.frontend && fe->dvb.frontend->ops.i2c_gate_ctrl)
fe->dvb.frontend->ops.i2c_gate_ctrl(fe->dvb.frontend, open);
@@ -565,7 +611,7 @@ static const struct xc5000_config dvico_fusionhdtv7_tuner_config = {
static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
{
struct dvb_frontend *fe;
- struct videobuf_dvb_frontend *fe0 = NULL;
+ struct vb2_dvb_frontend *fe0 = NULL;
struct xc2028_ctrl ctl;
struct xc2028_config cfg = {
.i2c_adap = &dev->core->i2c_adap,
@@ -574,7 +620,7 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
};
/* Get the first frontend */
- fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+ fe0 = vb2_dvb_get_frontend(&dev->frontends, 1);
if (!fe0)
return -EINVAL;
@@ -611,10 +657,10 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
static int attach_xc4000(struct cx8802_dev *dev, struct xc4000_config *cfg)
{
struct dvb_frontend *fe;
- struct videobuf_dvb_frontend *fe0 = NULL;
+ struct vb2_dvb_frontend *fe0 = NULL;
/* Get the first frontend */
- fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+ fe0 = vb2_dvb_get_frontend(&dev->frontends, 1);
if (!fe0)
return -EINVAL;
@@ -745,7 +791,7 @@ static const struct stv0288_config tevii_tuner_earda_config = {
static int cx8802_alloc_frontends(struct cx8802_dev *dev)
{
struct cx88_core *core = dev->core;
- struct videobuf_dvb_frontend *fe = NULL;
+ struct vb2_dvb_frontend *fe = NULL;
int i;
mutex_init(&dev->frontends.lock);
@@ -757,10 +803,10 @@ static int cx8802_alloc_frontends(struct cx8802_dev *dev)
printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
core->board.num_frontends);
for (i = 1; i <= core->board.num_frontends; i++) {
- fe = videobuf_dvb_alloc_frontend(&dev->frontends, i);
+ fe = vb2_dvb_alloc_frontend(&dev->frontends, i);
if (!fe) {
printk(KERN_ERR "%s() failed to alloc\n", __func__);
- videobuf_dvb_dealloc_frontends(&dev->frontends);
+ vb2_dvb_dealloc_frontends(&dev->frontends);
return -ENOMEM;
}
}
@@ -958,7 +1004,7 @@ static const struct stv0299_config samsung_stv0299_config = {
static int dvb_register(struct cx8802_dev *dev)
{
struct cx88_core *core = dev->core;
- struct videobuf_dvb_frontend *fe0, *fe1 = NULL;
+ struct vb2_dvb_frontend *fe0, *fe1 = NULL;
int mfe_shared = 0; /* bus not shared by default */
int res = -EINVAL;
@@ -968,7 +1014,7 @@ static int dvb_register(struct cx8802_dev *dev)
}
/* Get the first frontend */
- fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+ fe0 = vb2_dvb_get_frontend(&dev->frontends, 1);
if (!fe0)
goto frontend_detach;
@@ -1046,7 +1092,7 @@ static int dvb_register(struct cx8802_dev *dev)
goto frontend_detach;
}
/* MFE frontend 2 */
- fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
+ fe1 = vb2_dvb_get_frontend(&dev->frontends, 2);
if (!fe1)
goto frontend_detach;
/* DVB-T init */
@@ -1415,7 +1461,7 @@ static int dvb_register(struct cx8802_dev *dev)
goto frontend_detach;
}
/* MFE frontend 2 */
- fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
+ fe1 = vb2_dvb_get_frontend(&dev->frontends, 2);
if (!fe1)
goto frontend_detach;
/* DVB-T Init */
@@ -1594,7 +1640,7 @@ static int dvb_register(struct cx8802_dev *dev)
call_all(core, core, s_power, 0);
/* register everything */
- res = videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
+ res = vb2_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
&dev->pci->dev, adapter_nr, mfe_shared);
if (res)
goto frontend_detach;
@@ -1602,7 +1648,7 @@ static int dvb_register(struct cx8802_dev *dev)
frontend_detach:
core->gate_ctrl = NULL;
- videobuf_dvb_dealloc_frontends(&dev->frontends);
+ vb2_dvb_dealloc_frontends(&dev->frontends);
return res;
}
@@ -1697,7 +1743,7 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
struct cx88_core *core = drv->core;
struct cx8802_dev *dev = drv->core->dvbdev;
int err;
- struct videobuf_dvb_frontend *fe;
+ struct vb2_dvb_frontend *fe;
int i;
dprintk( 1, "%s\n", __func__);
@@ -1726,19 +1772,31 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
err = -ENODEV;
for (i = 1; i <= core->board.num_frontends; i++) {
- fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i);
+ struct vb2_queue *q;
+
+ fe = vb2_dvb_get_frontend(&core->dvbdev->frontends, i);
if (fe == NULL) {
printk(KERN_ERR "%s() failed to get frontend(%d)\n",
__func__, i);
goto fail_probe;
}
- videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_TOP,
- sizeof(struct cx88_buffer),
- dev, NULL);
- /* init struct videobuf_dvb */
+ q = &fe->dvb.dvbq;
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
+ q->gfp_flags = GFP_DMA32;
+ q->min_buffers_needed = 2;
+ q->drv_priv = dev;
+ q->buf_struct_size = sizeof(struct cx88_buffer);
+ q->ops = &dvb_qops;
+ q->mem_ops = &vb2_dma_sg_memops;
+ q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ q->lock = &core->lock;
+
+ err = vb2_queue_init(q);
+ if (err < 0)
+ goto fail_probe;
+
+ /* init struct vb2_dvb */
fe->dvb.name = dev->core->name;
}
@@ -1749,7 +1807,7 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
core->name, err);
return err;
fail_probe:
- videobuf_dvb_dealloc_frontends(&core->dvbdev->frontends);
+ vb2_dvb_dealloc_frontends(&core->dvbdev->frontends);
fail_core:
return err;
}
@@ -1761,7 +1819,7 @@ static int cx8802_dvb_remove(struct cx8802_driver *drv)
dprintk( 1, "%s\n", __func__);
- videobuf_dvb_unregister_bus(&dev->frontends);
+ vb2_dvb_unregister_bus(&dev->frontends);
vp3054_i2c_remove(dev);
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