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