summaryrefslogtreecommitdiffstats
path: root/v4l/kernel-2.6.tmp/dvb-usb-init.c
diff options
context:
space:
mode:
Diffstat (limited to 'v4l/kernel-2.6.tmp/dvb-usb-init.c')
-rw-r--r--v4l/kernel-2.6.tmp/dvb-usb-init.c285
1 files changed, 0 insertions, 285 deletions
diff --git a/v4l/kernel-2.6.tmp/dvb-usb-init.c b/v4l/kernel-2.6.tmp/dvb-usb-init.c
deleted file mode 100644
index cdd717c..0000000
--- a/v4l/kernel-2.6.tmp/dvb-usb-init.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- * DVB USB library - provides a generic interface for a DVB USB device driver.
- *
- * dvb-usb-init.c
- *
- * 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
- * Software Foundation, version 2.
- *
- * see Documentation/dvb/README.dvb-usb for more information
- */
-#include "dvb-usb-common.h"
-
-/* 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,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(force_pid_filter_usage, "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_adapter_exit(d);
- dvb_usb_i2c_exit(d);
- deb_info("state should be zero now: %x\n",d->state);
- d->state = DVB_USB_STATE_INIT;
- kfree(d->priv);
- kfree(d);
- return 0;
-}
-
-static int dvb_usb_init(struct dvb_usb_device *d)
-{
- int ret = 0;
-
- mutex_init(&d->usb_mutex);
- mutex_init(&d->i2c_mutex);
-
- d->state = DVB_USB_STATE_INIT;
-
- 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;
- }
- }
-
-/* check the capabilities and set appropriate variables */
- dvb_usb_device_power_ctrl(d, 1);
-
- if ((ret = dvb_usb_i2c_init(d)) ||
- (ret = dvb_usb_adapter_init(d))) {
- dvb_usb_exit(d);
- return ret;
- }
-
- if ((ret = dvb_usb_remote_init(d)))
- err("could not initialize remote control.");
-
- 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_device_properties *props, int *cold)
-{
- int i,j;
- struct dvb_usb_device_description *desc = NULL;
- *cold = -1;
-
- for (i = 0; i < props->num_device_descs; i++) {
-
- for (j = 0; j < DVB_USB_ID_MAX_NUM && props->devices[i].cold_ids[j] != NULL; j++) {
- deb_info("check for cold %x %x\n",props->devices[i].cold_ids[j]->idVendor, props->devices[i].cold_ids[j]->idProduct);
- if (props->devices[i].cold_ids[j]->idVendor == le16_to_cpu(udev->descriptor.idVendor) &&
- props->devices[i].cold_ids[j]->idProduct == le16_to_cpu(udev->descriptor.idProduct)) {
- *cold = 1;
- desc = &props->devices[i];
- break;
- }
- }
-
- if (desc != NULL)
- break;
-
- for (j = 0; j < DVB_USB_ID_MAX_NUM && props->devices[i].warm_ids[j] != NULL; j++) {
- deb_info("check for warm %x %x\n",props->devices[i].warm_ids[j]->idVendor, props->devices[i].warm_ids[j]->idProduct);
- if (props->devices[i].warm_ids[j]->idVendor == le16_to_cpu(udev->descriptor.idVendor) &&
- props->devices[i].warm_ids[j]->idProduct == le16_to_cpu(udev->descriptor.idProduct)) {
- *cold = 0;
- desc = &props->devices[i];
- break;
- }
- }
- }
-
- if (desc != NULL && props->identify_state != NULL)
- props->identify_state(udev,props,&desc,cold);
-
- return desc;
-}
-
-int dvb_usb_device_power_ctrl(struct dvb_usb_device *d, int onoff)
-{
- if (onoff)
- d->powered++;
- else
- d->powered--;
-
- if (d->powered == 0 || (onoff && d->powered == 1)) { // when switching from 1 to 0 or from 0 to 1
- deb_info("power control: %d\n", 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_device_properties
- *props, struct module *owner,struct dvb_usb_device **du)
-{
- struct usb_device *udev = interface_to_usbdev(intf);
- struct dvb_usb_device *d = NULL;
- struct dvb_usb_device_description *desc = NULL;
-
- int ret = -ENOMEM,cold=0;
-
- if (du != NULL)
- *du = NULL;
-
- if ((desc = dvb_usb_find_device(udev,props,&cold)) == NULL) {
- deb_err("something went very wrong, device was not found in current device list - let's see what comes next.\n");
- return -ENODEV;
- }
-
- if (cold) {
- info("found a '%s' in cold state, will try to load a firmware",desc->name);
- ret = dvb_usb_download_firmware(udev,props);
- if (!props->no_reconnect || ret != 0)
- return ret;
- }
-
- info("found a '%s' in warm state.",desc->name);
- d = kzalloc(sizeof(struct dvb_usb_device),GFP_KERNEL);
- if (d == NULL) {
- err("no memory for 'struct dvb_usb_device'");
- return ret;
- }
-
- d->udev = udev;
- memcpy(&d->props,props,sizeof(struct dvb_usb_device_properties));
- d->desc = desc;
- d->owner = owner;
-
- usb_set_intfdata(intf, d);
-
- if (du != NULL)
- *du = d;
-
- ret = dvb_usb_init(d);
-
- if (ret == 0)
- info("%s successfully initialized and connected.",desc->name);
- else
- info("%s error while loading driver (%d)",desc->name,ret);
- return ret;
-}
-EXPORT_SYMBOL(dvb_usb_device_init);
-
-void dvb_usb_device_exit(struct usb_interface *intf)
-{
- struct dvb_usb_device *d = usb_get_intfdata(intf);
- const char *name = "generic DVB-USB module";
-
- usb_set_intfdata(intf,NULL);
- if (d != NULL && d->desc != NULL) {
- name = d->desc->name;
- dvb_usb_exit(d);
- }
- info("%s successfully deinitialized and disconnected.",name);
-
-}
-EXPORT_SYMBOL(dvb_usb_device_exit);
-
-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");