160 lines
3.9 KiB
C
160 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* DVB USB framework compliant Linux driver for the AVerMedia AverTV DVB-T
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* USB2.0 (A800) DVB-T receiver.
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*
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* Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@posteo.de)
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*
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* Thanks to
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* - AVerMedia who kindly provided information and
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* - Glen Harris who suffered from my mistakes during development.
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*
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* see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
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*/
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#include "dibusb.h"
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (rc=1 (or-able))." DVB_USB_DEBUG_STATUS);
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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#define deb_rc(args...) dprintk(debug,0x01,args)
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static int a800_power_ctrl(struct dvb_usb_device *d, int onoff)
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{
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/* do nothing for the AVerMedia */
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return 0;
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}
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/* assure to put cold to 0 for iManufacturer == 1 */
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static int a800_identify_state(struct usb_device *udev,
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const struct dvb_usb_device_properties *props,
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const struct dvb_usb_device_description **desc,
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int *cold)
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{
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*cold = udev->descriptor.iManufacturer != 1;
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return 0;
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}
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static int a800_rc_query(struct dvb_usb_device *d)
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{
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int ret = 0;
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u8 *key = kmalloc(5, GFP_KERNEL);
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if (!key)
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return -ENOMEM;
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if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0),
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0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5,
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2000) != 5) {
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ret = -ENODEV;
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goto out;
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}
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/* Note that extended nec and nec32 are dropped */
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if (key[0] == 1)
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rc_keydown(d->rc_dev, RC_PROTO_NEC,
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RC_SCANCODE_NEC(key[1], key[3]), 0);
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else if (key[0] == 2)
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rc_repeat(d->rc_dev);
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out:
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kfree(key);
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return ret;
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}
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/* USB Driver stuff */
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static struct dvb_usb_device_properties a800_properties;
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static int a800_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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return dvb_usb_device_init(intf, &a800_properties,
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THIS_MODULE, NULL, adapter_nr);
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}
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/* do not change the order of the ID table */
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enum {
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AVERMEDIA_DVBT_USB2_COLD,
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AVERMEDIA_DVBT_USB2_WARM,
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};
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static struct usb_device_id a800_table[] = {
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DVB_USB_DEV(AVERMEDIA, AVERMEDIA_DVBT_USB2_COLD),
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DVB_USB_DEV(AVERMEDIA, AVERMEDIA_DVBT_USB2_WARM),
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{ }
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};
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MODULE_DEVICE_TABLE (usb, a800_table);
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static struct dvb_usb_device_properties a800_properties = {
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.caps = DVB_USB_IS_AN_I2C_ADAPTER,
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.usb_ctrl = CYPRESS_FX2,
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.firmware = "dvb-usb-avertv-a800-02.fw",
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.num_adapters = 1,
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.adapter = {
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{
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.num_frontends = 1,
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.fe = {{
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.caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
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.pid_filter_count = 32,
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.streaming_ctrl = dibusb2_0_streaming_ctrl,
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.pid_filter = dibusb_pid_filter,
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.pid_filter_ctrl = dibusb_pid_filter_ctrl,
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.frontend_attach = dibusb_dib3000mc_frontend_attach,
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.tuner_attach = dibusb_dib3000mc_tuner_attach,
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/* parameter for the MPEG2-data transfer */
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.stream = {
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.type = USB_BULK,
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.count = 7,
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.endpoint = 0x06,
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.u = {
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.bulk = {
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.buffersize = 4096,
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}
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}
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},
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}},
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.size_of_priv = sizeof(struct dibusb_state),
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},
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},
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.power_ctrl = a800_power_ctrl,
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.identify_state = a800_identify_state,
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.rc.core = {
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.rc_interval = DEFAULT_RC_INTERVAL,
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.rc_codes = RC_MAP_AVERMEDIA_M135A,
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.module_name = KBUILD_MODNAME,
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.rc_query = a800_rc_query,
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.allowed_protos = RC_PROTO_BIT_NEC,
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},
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.i2c_algo = &dibusb_i2c_algo,
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.generic_bulk_ctrl_endpoint = 0x01,
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.num_device_descs = 1,
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.devices = {
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{ "AVerMedia AverTV DVB-T USB 2.0 (A800)",
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{ &a800_table[AVERMEDIA_DVBT_USB2_COLD], NULL },
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{ &a800_table[AVERMEDIA_DVBT_USB2_WARM], NULL },
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},
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}
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};
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static struct usb_driver a800_driver = {
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.name = "dvb_usb_a800",
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.probe = a800_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = a800_table,
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};
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module_usb_driver(a800_driver);
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MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
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MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
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MODULE_VERSION("1.0");
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MODULE_LICENSE("GPL");
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