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-rw-r--r--drivers/media/video/cx88/cx88-dvb.c72
1 files changed, 38 insertions, 34 deletions
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 613dfea4ff3e..aef5297534af 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -614,34 +614,41 @@ static struct stv0288_config tevii_tuner_earda_config = {
614 .set_ts_params = cx24116_set_ts_param, 614 .set_ts_params = cx24116_set_ts_param,
615}; 615};
616 616
617static int dvb_register(struct cx8802_dev *dev) 617static int cx8802_alloc_frontends(struct cx8802_dev *dev)
618{ 618{
619 struct cx88_core *core = dev->core; 619 struct cx88_core *core = dev->core;
620 struct videobuf_dvb_frontend *fe0, *fe1 = NULL; 620 struct videobuf_dvb_frontend *fe = NULL;
621 int mfe_shared = 0; /* bus not shared by default */
622 int i; 621 int i;
623 622
624 if (0 != core->i2c_rc) {
625 printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name);
626 goto frontend_detach;
627 }
628
629 if (!core->board.num_frontends)
630 return -EINVAL;
631
632 mutex_init(&dev->frontends.lock); 623 mutex_init(&dev->frontends.lock);
633 INIT_LIST_HEAD(&dev->frontends.felist); 624 INIT_LIST_HEAD(&dev->frontends.felist);
634 625
626 if (!core->board.num_frontends)
627 return -ENODEV;
628
635 printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, 629 printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
636 core->board.num_frontends); 630 core->board.num_frontends);
637 for (i = 1; i <= core->board.num_frontends; i++) { 631 for (i = 1; i <= core->board.num_frontends; i++) {
638 fe0 = videobuf_dvb_alloc_frontend(&dev->frontends, i); 632 fe = videobuf_dvb_alloc_frontend(&dev->frontends, i);
639 if (!fe0) { 633 if (!fe) {
640 printk(KERN_ERR "%s() failed to alloc\n", __func__); 634 printk(KERN_ERR "%s() failed to alloc\n", __func__);
641 videobuf_dvb_dealloc_frontends(&dev->frontends); 635 videobuf_dvb_dealloc_frontends(&dev->frontends);
642 goto frontend_detach; 636 return -ENOMEM;
643 } 637 }
644 } 638 }
639 return 0;
640}
641
642static int dvb_register(struct cx8802_dev *dev)
643{
644 struct cx88_core *core = dev->core;
645 struct videobuf_dvb_frontend *fe0, *fe1 = NULL;
646 int mfe_shared = 0; /* bus not shared by default */
647
648 if (0 != core->i2c_rc) {
649 printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name);
650 goto frontend_detach;
651 }
645 652
646 /* Get the first frontend */ 653 /* Get the first frontend */
647 fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1); 654 fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
@@ -1243,6 +1250,8 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
1243 struct cx88_core *core = drv->core; 1250 struct cx88_core *core = drv->core;
1244 struct cx8802_dev *dev = drv->core->dvbdev; 1251 struct cx8802_dev *dev = drv->core->dvbdev;
1245 int err; 1252 int err;
1253 struct videobuf_dvb_frontend *fe;
1254 int i;
1246 1255
1247 dprintk( 1, "%s\n", __func__); 1256 dprintk( 1, "%s\n", __func__);
1248 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", 1257 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
@@ -1258,39 +1267,34 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
1258 /* If vp3054 isn't enabled, a stub will just return 0 */ 1267 /* If vp3054 isn't enabled, a stub will just return 0 */
1259 err = vp3054_i2c_probe(dev); 1268 err = vp3054_i2c_probe(dev);
1260 if (0 != err) 1269 if (0 != err)
1261 goto fail_probe; 1270 goto fail_core;
1262 1271
1263 /* dvb stuff */ 1272 /* dvb stuff */
1264 printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name); 1273 printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name);
1265 dev->ts_gen_cntrl = 0x0c; 1274 dev->ts_gen_cntrl = 0x0c;
1266 1275
1276 err = cx8802_alloc_frontends(dev);
1277 if (err)
1278 goto fail_core;
1279
1267 err = -ENODEV; 1280 err = -ENODEV;
1268 if (core->board.num_frontends) { 1281 for (i = 1; i <= core->board.num_frontends; i++) {
1269 struct videobuf_dvb_frontend *fe; 1282 fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i);
1270 int i; 1283 if (fe == NULL) {
1271 1284 printk(KERN_ERR "%s() failed to get frontend(%d)\n",
1272 for (i = 1; i <= core->board.num_frontends; i++) {
1273 fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i);
1274 if (fe == NULL) {
1275 printk(KERN_ERR "%s() failed to get frontend(%d)\n",
1276 __func__, i); 1285 __func__, i);
1277 goto fail_probe; 1286 goto fail_probe;
1278 } 1287 }
1279 videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops, 1288 videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops,
1280 &dev->pci->dev, &dev->slock, 1289 &dev->pci->dev, &dev->slock,
1281 V4L2_BUF_TYPE_VIDEO_CAPTURE, 1290 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1282 V4L2_FIELD_TOP, 1291 V4L2_FIELD_TOP,
1283 sizeof(struct cx88_buffer), 1292 sizeof(struct cx88_buffer),
1284 dev); 1293 dev);
1285 /* init struct videobuf_dvb */ 1294 /* init struct videobuf_dvb */
1286 fe->dvb.name = dev->core->name; 1295 fe->dvb.name = dev->core->name;
1287 }
1288 } else {
1289 /* no frontends allocated */
1290 printk(KERN_ERR "%s/2 .num_frontends should be non-zero\n",
1291 core->name);
1292 goto fail_core;
1293 } 1296 }
1297
1294 err = dvb_register(dev); 1298 err = dvb_register(dev);
1295 if (err) 1299 if (err)
1296 /* frontends/adapter de-allocated in dvb_register */ 1300 /* frontends/adapter de-allocated in dvb_register */