diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-init.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/dvb-usb-init.c | 156 |
1 files changed, 113 insertions, 43 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/drivers/media/dvb/dvb-usb/dvb-usb-init.c index a1705ec..6babdcd 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/dvb/dvb-usb/dvb-usb-init.c @@ -3,7 +3,7 @@ * * dvb-usb-init.c * - * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) + * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -16,21 +16,105 @@ /* debug */ int dvb_usb_debug; module_param_named(debug,dvb_usb_debug, int, 0644); -MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64 (or-able))." DVB_USB_DEBUG_STATUS); +MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64,mem=128,uxfer=256 (or-able))." DVB_USB_DEBUG_STATUS); int dvb_usb_disable_rc_polling; module_param_named(disable_rc_polling, dvb_usb_disable_rc_polling, int, 0644); MODULE_PARM_DESC(disable_rc_polling, "disable remote control polling (default: 0)."); +static int dvb_usb_force_pid_filter_usage; +module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage, int, 0444); +MODULE_PARM_DESC(disable_rc_polling, "force all dvb-usb-devices to use a PID filter, if any (default: 0)."); + +static int dvb_usb_adapter_init(struct dvb_usb_device *d) +{ + struct dvb_usb_adapter *adap; + int ret,n; + + for (n = 0; n < d->props.num_adapters; n++) { + adap = &d->adapter[n]; + adap->dev = d; + adap->id = n; + + memcpy(&adap->props, &d->props.adapter[n], sizeof(struct dvb_usb_adapter_properties)); + +/* speed - when running at FULL speed we need a HW PID filter */ + if (d->udev->speed == USB_SPEED_FULL && !(adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER)) { + err("This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)"); + return -ENODEV; + } + + if ((d->udev->speed == USB_SPEED_FULL && adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER) || + (adap->props.caps & DVB_USB_ADAP_NEED_PID_FILTERING)) { + info("will use the device's hardware PID filter (table count: %d).",adap->props.pid_filter_count); + adap->pid_filtering = 1; + adap->max_feed_count = adap->props.pid_filter_count; + } else { + info("will pass the complete MPEG2 transport stream to the software demuxer."); + adap->pid_filtering = 0; + adap->max_feed_count = 255; + } + + if (!adap->pid_filtering && + dvb_usb_force_pid_filter_usage && + adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER) { + info("pid filter enabled by module option."); + adap->pid_filtering = 1; + adap->max_feed_count = adap->props.pid_filter_count; + } + + if (adap->props.size_of_priv > 0) { + adap->priv = kzalloc(adap->props.size_of_priv,GFP_KERNEL); + if (adap->priv == NULL) { + err("no memory for priv for adapter %d.",n); + return -ENOMEM; + } + } + + if ((ret = dvb_usb_adapter_stream_init(adap)) || + (ret = dvb_usb_adapter_dvb_init(adap)) || + (ret = dvb_usb_adapter_frontend_init(adap))) { + return ret; + } + + d->num_adapters_initialized++; + d->state |= DVB_USB_STATE_DVB; + } + + /* + * when reloading the driver w/o replugging the device + * sometimes a timeout occures, this helps + */ + if (d->props.generic_bulk_ctrl_endpoint != 0) { + usb_clear_halt(d->udev,usb_sndbulkpipe(d->udev,d->props.generic_bulk_ctrl_endpoint)); + usb_clear_halt(d->udev,usb_rcvbulkpipe(d->udev,d->props.generic_bulk_ctrl_endpoint)); + } + + return 0; +} + +static int dvb_usb_adapter_exit(struct dvb_usb_device *d) +{ + int n; + for (n = 0; n < d->num_adapters_initialized; n++) { + dvb_usb_adapter_frontend_exit(&d->adapter[n]); + dvb_usb_adapter_dvb_exit(&d->adapter[n]); + dvb_usb_adapter_stream_exit(&d->adapter[n]); + kfree(d->adapter[n].priv); + } + d->num_adapters_initialized = 0; + d->state &= ~DVB_USB_STATE_DVB; + return 0; +} + + /* general initialization functions */ static int dvb_usb_exit(struct dvb_usb_device *d) { deb_info("state before exiting everything: %x\n",d->state); dvb_usb_remote_exit(d); - dvb_usb_fe_exit(d); + dvb_usb_adapter_exit(d); dvb_usb_i2c_exit(d); - dvb_usb_dvb_exit(d); - dvb_usb_urb_exit(d); deb_info("state should be zero now: %x\n",d->state); d->state = DVB_USB_STATE_INIT; kfree(d->priv); @@ -47,32 +131,19 @@ static int dvb_usb_init(struct dvb_usb_device *d) d->state = DVB_USB_STATE_INIT; -/* check the capabilities and set appropriate variables */ - -/* speed - when running at FULL speed we need a HW PID filter */ - if (d->udev->speed == USB_SPEED_FULL && !(d->props.caps & DVB_USB_HAS_PID_FILTER)) { - err("This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)"); - return -ENODEV; + if (d->props.size_of_priv > 0) { + d->priv = kzalloc(d->props.size_of_priv,GFP_KERNEL); + if (d->priv == NULL) { + err("no memory for priv in 'struct dvb_usb_device'"); + return -ENOMEM; } - - if ((d->udev->speed == USB_SPEED_FULL && d->props.caps & DVB_USB_HAS_PID_FILTER) || - (d->props.caps & DVB_USB_NEED_PID_FILTERING)) { - info("will use the device's hardware PID filter (table count: %d).",d->props.pid_filter_count); - d->pid_filtering = 1; - d->max_feed_count = d->props.pid_filter_count; - } else { - info("will pass the complete MPEG2 transport stream to the software demuxer."); - d->pid_filtering = 0; - d->max_feed_count = 255; } - if (d->props.power_ctrl) - d->props.power_ctrl(d,1); +/* check the capabilities and set appropriate variables */ + dvb_usb_device_power_ctrl(d, 1); - if ((ret = dvb_usb_urb_init(d)) || - (ret = dvb_usb_dvb_init(d)) || - (ret = dvb_usb_i2c_init(d)) || - (ret = dvb_usb_fe_init(d))) { + if ((ret = dvb_usb_i2c_init(d)) || + (ret = dvb_usb_adapter_init(d))) { dvb_usb_exit(d); return ret; } @@ -80,14 +151,13 @@ static int dvb_usb_init(struct dvb_usb_device *d) if ((ret = dvb_usb_remote_init(d))) err("could not initialize remote control."); - if (d->props.power_ctrl) - d->props.power_ctrl(d,0); + dvb_usb_device_power_ctrl(d, 0); return 0; } /* determine the name and the state of the just found USB device */ -static struct dvb_usb_device_description * dvb_usb_find_device(struct usb_device *udev,struct dvb_usb_properties *props, int *cold) +static struct dvb_usb_device_description * dvb_usb_find_device(struct usb_device *udev,struct dvb_usb_device_properties *props, int *cold) { int i,j; struct dvb_usb_device_description *desc = NULL; @@ -125,11 +195,20 @@ static struct dvb_usb_device_description * dvb_usb_find_device(struct usb_device return desc; } +int dvb_usb_device_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + if (d->powered == !onoff) { + d->powered = onoff; + if (d->props.power_ctrl) + return d->props.power_ctrl(d, onoff); + } + return 0; +} + /* * USB */ - -int dvb_usb_device_init(struct usb_interface *intf, struct dvb_usb_properties +int dvb_usb_device_init(struct usb_interface *intf, struct dvb_usb_device_properties *props, struct module *owner,struct dvb_usb_device **du) { struct usb_device *udev = interface_to_usbdev(intf); @@ -161,19 +240,10 @@ int dvb_usb_device_init(struct usb_interface *intf, struct dvb_usb_properties } d->udev = udev; - memcpy(&d->props,props,sizeof(struct dvb_usb_properties)); + memcpy(&d->props,props,sizeof(struct dvb_usb_device_properties)); d->desc = desc; d->owner = owner; - if (d->props.size_of_priv > 0) { - d->priv = kzalloc(d->props.size_of_priv,GFP_KERNEL); - if (d->priv == NULL) { - err("no memory for priv in 'struct dvb_usb_device'"); - kfree(d); - return -ENOMEM; - } - } - usb_set_intfdata(intf, d); if (du != NULL) @@ -204,7 +274,7 @@ void dvb_usb_device_exit(struct usb_interface *intf) } EXPORT_SYMBOL(dvb_usb_device_exit); -MODULE_VERSION("0.3"); +MODULE_VERSION("1.0"); MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>"); MODULE_DESCRIPTION("A library module containing commonly used USB and DVB function USB DVB devices"); MODULE_LICENSE("GPL"); |