static int dvb_fini(struct cx231xx *dev) { if (!dev->board.has_dvb) { /* This device does not support the extension */ return 0; } if (dev->dvb) { unregister_dvb(dev->dvb); dev->dvb = NULL; } return 0; }
static int dvb_fini(struct em28xx *dev) { if (!dev->board.has_dvb) { return 0; } if (dev->dvb) { unregister_dvb(dev->dvb); dev->dvb = NULL; } return 0; }
static int register_dvb(struct tm6000_core *dev) { int ret = -1; struct tm6000_dvb *dvb = dev->dvb; mutex_init(&dvb->mutex); dvb->streams = 0; /* attach the frontend */ ret = tm6000_dvb_attach_frontend(dev); if (ret < 0) { printk(KERN_ERR "tm6000: couldn't attach the frontend!\n"); goto err; } ret = dvb_register_adapter(&dvb->adapter, "Trident TVMaster 6000 DVB-T", THIS_MODULE, &dev->udev->dev, adapter_nr); dvb->adapter.priv = dev; if (dvb->frontend) { switch (dev->tuner_type) { case TUNER_XC2028: { struct xc2028_config cfg = { .i2c_adap = &dev->i2c_adap, .i2c_addr = dev->tuner_addr, }; dvb->frontend->callback = tm6000_tuner_callback; ret = dvb_register_frontend(&dvb->adapter, dvb->frontend); if (ret < 0) { printk(KERN_ERR "tm6000: couldn't register frontend\n"); goto adapter_err; } if (!dvb_attach(xc2028_attach, dvb->frontend, &cfg)) { printk(KERN_ERR "tm6000: couldn't register " "frontend (xc3028)\n"); ret = -EINVAL; goto frontend_err; } printk(KERN_INFO "tm6000: XC2028/3028 asked to be " "attached to frontend!\n"); break; } case TUNER_XC5000: { struct xc5000_config cfg = { .i2c_address = dev->tuner_addr, }; dvb->frontend->callback = tm6000_xc5000_callback; ret = dvb_register_frontend(&dvb->adapter, dvb->frontend); if (ret < 0) { printk(KERN_ERR "tm6000: couldn't register frontend\n"); goto adapter_err; } if (!dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap, &cfg)) { printk(KERN_ERR "tm6000: couldn't register " "frontend (xc5000)\n"); ret = -EINVAL; goto frontend_err; } printk(KERN_INFO "tm6000: XC5000 asked to be " "attached to frontend!\n"); break; } } } else printk(KERN_ERR "tm6000: no frontend found\n"); dvb->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING; dvb->demux.priv = dev; dvb->demux.filternum = 8; dvb->demux.feednum = 8; dvb->demux.start_feed = tm6000_start_feed; dvb->demux.stop_feed = tm6000_stop_feed; dvb->demux.write_to_decoder = NULL; ret = dvb_dmx_init(&dvb->demux); if (ret < 0) { printk(KERN_ERR "tm6000: dvb_dmx_init failed (errno = %d)\n", ret); goto frontend_err; } dvb->dmxdev.filternum = dev->dvb->demux.filternum; dvb->dmxdev.demux = &dev->dvb->demux.dmx; dvb->dmxdev.capabilities = 0; ret = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); if (ret < 0) { printk(KERN_ERR "tm6000: dvb_dmxdev_init failed (errno = %d)\n", ret); goto dvb_dmx_err; } return 0; dvb_dmx_err: dvb_dmx_release(&dvb->demux); frontend_err: if (dvb->frontend) { dvb_unregister_frontend(dvb->frontend); dvb_frontend_detach(dvb->frontend); } adapter_err: dvb_unregister_adapter(&dvb->adapter); err: return ret; } static void unregister_dvb(struct tm6000_core *dev) { struct tm6000_dvb *dvb = dev->dvb; if (dvb->bulk_urb != NULL) { struct urb *bulk_urb = dvb->bulk_urb; kfree(bulk_urb->transfer_buffer); bulk_urb->transfer_buffer = NULL; usb_unlink_urb(bulk_urb); usb_free_urb(bulk_urb); } /* mutex_lock(&tm6000_driver.open_close_mutex); */ if (dvb->frontend) { dvb_unregister_frontend(dvb->frontend); dvb_frontend_detach(dvb->frontend); } dvb_dmxdev_release(&dvb->dmxdev); dvb_dmx_release(&dvb->demux); dvb_unregister_adapter(&dvb->adapter); mutex_destroy(&dvb->mutex); /* mutex_unlock(&tm6000_driver.open_close_mutex); */ } static int dvb_init(struct tm6000_core *dev) { struct tm6000_dvb *dvb; int rc; if (!dev) return 0; if (!dev->caps.has_dvb) return 0; if (dev->udev->speed == USB_SPEED_FULL) { printk(KERN_INFO "This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)\n"); return 0; } dvb = kzalloc(sizeof(struct tm6000_dvb), GFP_KERNEL); if (!dvb) { printk(KERN_INFO "Cannot allocate memory\n"); return -ENOMEM; } dev->dvb = dvb; rc = register_dvb(dev); if (rc < 0) { kfree(dvb); dev->dvb = NULL; return 0; } return 0; } static int dvb_fini(struct tm6000_core *dev) { if (!dev) return 0; if (!dev->caps.has_dvb) return 0; if (dev->dvb) { unregister_dvb(dev); kfree(dev->dvb); dev->dvb = NULL; } return 0; } static struct tm6000_ops dvb_ops = { .type = TM6000_DVB, .name = "TM6000 dvb Extension", .init = dvb_init, .fini = dvb_fini, }; static int __init tm6000_dvb_register(void) { return tm6000_register_extension(&dvb_ops); } static void __exit tm6000_dvb_unregister(void) { tm6000_unregister_extension(&dvb_ops); } module_init(tm6000_dvb_register); module_exit(tm6000_dvb_unregister);