diff options
Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-dvb.c')
| -rw-r--r-- | drivers/media/pci/cx23885/cx23885-dvb.c | 131 |
1 files changed, 90 insertions, 41 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c index d71d59f6c6d6..332e6facc095 100644 --- a/drivers/media/pci/cx23885/cx23885-dvb.c +++ b/drivers/media/pci/cx23885/cx23885-dvb.c @@ -87,59 +87,95 @@ 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 cx23885_tsport *port = q->priv_data; + struct cx23885_tsport *port = q->drv_priv; port->ts_packet_size = 188 * 4; port->ts_packet_count = 32; - - *size = port->ts_packet_size * port->ts_packet_count; - *count = 32; + *num_planes = 1; + sizes[0] = port->ts_packet_size * port->ts_packet_count; + *num_buffers = 32; 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 cx23885_tsport *port = q->priv_data; - return cx23885_buf_prepare(q, port, (struct cx23885_buffer *)vb, field); + struct cx23885_tsport *port = vb->vb2_queue->drv_priv; + struct cx23885_buffer *buf = + container_of(vb, struct cx23885_buffer, vb); + + return cx23885_buf_prepare(buf, port); } -static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) +static void buffer_finish(struct vb2_buffer *vb) { - struct cx23885_tsport *port = q->priv_data; - cx23885_buf_queue(port, (struct cx23885_buffer *)vb); + struct cx23885_tsport *port = vb->vb2_queue->drv_priv; + struct cx23885_dev *dev = port->dev; + struct cx23885_buffer *buf = container_of(vb, + struct cx23885_buffer, vb); + struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); + + cx23885_free_buffer(dev, buf); + + dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE); } -static void dvb_buf_release(struct videobuf_queue *q, - struct videobuf_buffer *vb) +static void buffer_queue(struct vb2_buffer *vb) { - cx23885_free_buffer(q, (struct cx23885_buffer *)vb); + struct cx23885_tsport *port = vb->vb2_queue->drv_priv; + struct cx23885_buffer *buf = container_of(vb, + struct cx23885_buffer, vb); + + cx23885_buf_queue(port, buf); } static void cx23885_dvb_gate_ctrl(struct cx23885_tsport *port, int open) { - struct videobuf_dvb_frontends *f; - struct videobuf_dvb_frontend *fe; + struct vb2_dvb_frontends *f; + struct vb2_dvb_frontend *fe; f = &port->frontends; 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); } -static 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 int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) +{ + struct cx23885_tsport *port = q->drv_priv; + struct cx23885_dmaqueue *dmaq = &port->mpegq; + struct cx23885_buffer *buf = list_entry(dmaq->active.next, + struct cx23885_buffer, queue); + + cx23885_start_dma(port, dmaq, buf); + return 0; +} + +static void cx23885_stop_streaming(struct vb2_queue *q) +{ + struct cx23885_tsport *port = q->drv_priv; + + cx23885_cancel_buffers(port); +} + +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 = cx23885_start_streaming, + .stop_streaming = cx23885_stop_streaming, }; static struct s5h1409_config hauppauge_generic_config = { @@ -859,16 +895,16 @@ static int dvb_register(struct cx23885_tsport *port) struct dib7000p_ops dib7000p_ops; struct cx23885_dev *dev = port->dev; struct cx23885_i2c *i2c_bus = NULL, *i2c_bus2 = NULL; - struct videobuf_dvb_frontend *fe0, *fe1 = NULL; + struct vb2_dvb_frontend *fe0, *fe1 = NULL; int mfe_shared = 0; /* bus not shared by default */ int ret; /* Get the first frontend */ - fe0 = videobuf_dvb_get_frontend(&port->frontends, 1); + fe0 = vb2_dvb_get_frontend(&port->frontends, 1); if (!fe0) return -EINVAL; - /* init struct videobuf_dvb */ + /* init struct vb2_dvb */ fe0->dvb.name = dev->name; /* multi-frontend gate control is undefined or defaults to fe0 */ @@ -1388,7 +1424,7 @@ static int dvb_register(struct cx23885_tsport *port) fe0->dvb.frontend->ops.tuner_ops.init(fe0->dvb.frontend); } /* MFE frontend 2 */ - fe1 = videobuf_dvb_get_frontend(&port->frontends, 2); + fe1 = vb2_dvb_get_frontend(&port->frontends, 2); if (fe1 == NULL) goto frontend_detach; /* DVB-C init */ @@ -1528,7 +1564,7 @@ static int dvb_register(struct cx23885_tsport *port) fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend); /* register everything */ - ret = videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port, + ret = vb2_dvb_register_bus(&port->frontends, THIS_MODULE, port, &dev->pci->dev, adapter_nr, mfe_shared); if (ret) goto frontend_detach; @@ -1577,14 +1613,14 @@ static int dvb_register(struct cx23885_tsport *port) frontend_detach: port->gate_ctrl = NULL; - videobuf_dvb_dealloc_frontends(&port->frontends); + vb2_dvb_dealloc_frontends(&port->frontends); return -EINVAL; } int cx23885_dvb_register(struct cx23885_tsport *port) { - struct videobuf_dvb_frontend *fe0; + struct vb2_dvb_frontend *fe0; struct cx23885_dev *dev = port->dev; int err, i; @@ -1601,13 +1637,15 @@ int cx23885_dvb_register(struct cx23885_tsport *port) port->num_frontends); for (i = 1; i <= port->num_frontends; i++) { - if (videobuf_dvb_alloc_frontend( + struct vb2_queue *q; + + if (vb2_dvb_alloc_frontend( &port->frontends, i) == NULL) { printk(KERN_ERR "%s() failed to alloc\n", __func__); return -ENOMEM; } - fe0 = videobuf_dvb_get_frontend(&port->frontends, i); + fe0 = vb2_dvb_get_frontend(&port->frontends, i); if (!fe0) err = -EINVAL; @@ -1623,10 +1661,21 @@ int cx23885_dvb_register(struct cx23885_tsport *port) /* dvb stuff */ /* We have to init the queue for each frontend on a port. */ printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name); - videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops, - &dev->pci->dev, &port->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP, - sizeof(struct cx23885_buffer), port, NULL); + q = &fe0->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 = port; + q->buf_struct_size = sizeof(struct cx23885_buffer); + q->ops = &dvb_qops; + q->mem_ops = &vb2_dma_sg_memops; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &dev->lock; + + err = vb2_queue_init(q); + if (err < 0) + return err; } err = dvb_register(port); if (err != 0) @@ -1638,7 +1687,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port) int cx23885_dvb_unregister(struct cx23885_tsport *port) { - struct videobuf_dvb_frontend *fe0; + struct vb2_dvb_frontend *fe0; /* FIXME: in an error condition where the we have * an expected number of frontends (attach problem) @@ -1647,9 +1696,9 @@ int cx23885_dvb_unregister(struct cx23885_tsport *port) * This comment only applies to future boards IF they * implement MFE support. */ - fe0 = videobuf_dvb_get_frontend(&port->frontends, 1); + fe0 = vb2_dvb_get_frontend(&port->frontends, 1); if (fe0 && fe0->dvb.frontend) - videobuf_dvb_unregister_bus(&port->frontends); + vb2_dvb_unregister_bus(&port->frontends); switch (port->dev->board) { case CX23885_BOARD_NETUP_DUAL_DVBS2_CI: |