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path: root/drivers/media/usb/em28xx/em28xx-dvb.c
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Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
-rw-r--r--drivers/media/usb/em28xx/em28xx-dvb.c96
1 files changed, 65 insertions, 31 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 63f2e7070c00..a81ec2e8cc9b 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -10,6 +10,8 @@
(c) 2008 Aidan Thornton <makosoft@googlemail.com>
+ (c) 2012 Frank Schäfer <fschaefer.oss@googlemail.com>
+
Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
(c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
(c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
@@ -25,7 +27,9 @@
#include "em28xx.h"
#include <media/v4l2-common.h>
-#include <media/videobuf-vmalloc.h>
+#include <dvb_demux.h>
+#include <dvb_net.h>
+#include <dmxdev.h>
#include <media/tuner.h>
#include "tuner-simple.h"
#include <linux/gpio.h>
@@ -124,34 +128,47 @@ static inline void print_err_status(struct em28xx *dev,
}
}
-static inline int em28xx_dvb_isoc_copy(struct em28xx *dev, struct urb *urb)
+static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
{
- int i;
+ int xfer_bulk, num_packets, i;
if (!dev)
return 0;
- if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
+ if (dev->disconnected)
return 0;
- if (urb->status < 0) {
+ if (urb->status < 0)
print_err_status(dev, -1, urb->status);
- if (urb->status == -ENOENT)
- return 0;
- }
- for (i = 0; i < urb->number_of_packets; i++) {
- int status = urb->iso_frame_desc[i].status;
+ xfer_bulk = usb_pipebulk(urb->pipe);
- if (status < 0) {
- print_err_status(dev, i, status);
- if (urb->iso_frame_desc[i].status != -EPROTO)
- continue;
- }
+ if (xfer_bulk) /* bulk */
+ num_packets = 1;
+ else /* isoc */
+ num_packets = urb->number_of_packets;
- dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer +
- urb->iso_frame_desc[i].offset,
- urb->iso_frame_desc[i].actual_length);
+ for (i = 0; i < num_packets; i++) {
+ if (xfer_bulk) {
+ if (urb->status < 0) {
+ print_err_status(dev, i, urb->status);
+ if (urb->status != -EPROTO)
+ continue;
+ }
+ dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
+ urb->actual_length);
+ } else {
+ if (urb->iso_frame_desc[i].status < 0) {
+ print_err_status(dev, i,
+ urb->iso_frame_desc[i].status);
+ if (urb->iso_frame_desc[i].status != -EPROTO)
+ continue;
+ }
+ dvb_dmx_swfilter(&dev->dvb->demux,
+ urb->transfer_buffer +
+ urb->iso_frame_desc[i].offset,
+ urb->iso_frame_desc[i].actual_length);
+ }
}
return 0;
@@ -161,24 +178,40 @@ static int em28xx_start_streaming(struct em28xx_dvb *dvb)
{
int rc;
struct em28xx *dev = dvb->adapter.priv;
- int max_dvb_packet_size;
+ int dvb_max_packet_size, packet_multiplier, dvb_alt;
+
+ if (dev->dvb_xfer_bulk) {
+ if (!dev->dvb_ep_bulk)
+ return -ENODEV;
+ dvb_max_packet_size = 512; /* USB 2.0 spec */
+ packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
+ dvb_alt = 0;
+ } else { /* isoc */
+ if (!dev->dvb_ep_isoc)
+ return -ENODEV;
+ dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
+ if (dvb_max_packet_size < 0)
+ return dvb_max_packet_size;
+ packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
+ dvb_alt = dev->dvb_alt_isoc;
+ }
- usb_set_interface(dev->udev, 0, dev->dvb_alt);
+ usb_set_interface(dev->udev, 0, dvb_alt);
rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
if (rc < 0)
return rc;
- max_dvb_packet_size = dev->dvb_max_pkt_size;
- if (max_dvb_packet_size < 0)
- return max_dvb_packet_size;
dprintk(1, "Using %d buffers each with %d x %d bytes\n",
EM28XX_DVB_NUM_BUFS,
- EM28XX_DVB_MAX_PACKETS,
- max_dvb_packet_size);
-
- return em28xx_init_isoc(dev, EM28XX_DIGITAL_MODE,
- EM28XX_DVB_MAX_PACKETS, EM28XX_DVB_NUM_BUFS,
- max_dvb_packet_size, em28xx_dvb_isoc_copy);
+ packet_multiplier,
+ dvb_max_packet_size);
+
+ return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
+ dev->dvb_xfer_bulk,
+ EM28XX_DVB_NUM_BUFS,
+ dvb_max_packet_size,
+ packet_multiplier,
+ em28xx_dvb_urb_data_copy);
}
static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
@@ -714,7 +747,8 @@ static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
};
static const struct tda10071_config em28xx_tda10071_config = {
- .i2c_address = 0x55, /* (0xaa >> 1) */
+ .demod_i2c_addr = 0x55, /* (0xaa >> 1) */
+ .tuner_i2c_addr = 0x14,
.i2c_wr_max = 64,
.ts_mode = TDA10071_TS_SERIAL,
.spec_inv = 0,
@@ -1288,7 +1322,7 @@ static int em28xx_dvb_fini(struct em28xx *dev)
if (dev->dvb) {
struct em28xx_dvb *dvb = dev->dvb;
- if (dev->state & DEV_DISCONNECTED) {
+ if (dev->disconnected) {
/* We cannot tell the device to sleep
* once it has been unplugged. */
if (dvb->fe[0])