1 // SPDX-License-Identifier: GPL-2.0-only
2 /* DVB USB framework compliant Linux driver for the AVerMedia AverTV DVB-T
3 * USB2.0 (A800) DVB-T receiver.
5 * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@posteo.de)
8 * - AVerMedia who kindly provided information and
9 * - Glen Harris who suffered from my mistakes during development.
11 * see Documentation/media/dvb-drivers/dvb-usb.rst for more information
16 module_param(debug, int, 0644);
17 MODULE_PARM_DESC(debug, "set debugging level (rc=1 (or-able))." DVB_USB_DEBUG_STATUS);
19 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
21 #define deb_rc(args...) dprintk(debug,0x01,args)
23 static int a800_power_ctrl(struct dvb_usb_device *d, int onoff)
25 /* do nothing for the AVerMedia */
29 /* assure to put cold to 0 for iManufacturer == 1 */
30 static int a800_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props,
31 struct dvb_usb_device_description **desc, int *cold)
33 *cold = udev->descriptor.iManufacturer != 1;
37 static int a800_rc_query(struct dvb_usb_device *d)
40 u8 *key = kmalloc(5, GFP_KERNEL);
44 if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0),
45 0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5,
51 /* Note that extended nec and nec32 are dropped */
53 rc_keydown(d->rc_dev, RC_PROTO_NEC,
54 RC_SCANCODE_NEC(key[1], key[3]), 0);
62 /* USB Driver stuff */
63 static struct dvb_usb_device_properties a800_properties;
65 static int a800_probe(struct usb_interface *intf,
66 const struct usb_device_id *id)
68 return dvb_usb_device_init(intf, &a800_properties,
69 THIS_MODULE, NULL, adapter_nr);
72 /* do not change the order of the ID table */
73 static struct usb_device_id a800_table [] = {
74 /* 00 */ { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_DVBT_USB2_COLD) },
75 /* 01 */ { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_DVBT_USB2_WARM) },
76 { } /* Terminating entry */
78 MODULE_DEVICE_TABLE (usb, a800_table);
80 static struct dvb_usb_device_properties a800_properties = {
81 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
83 .usb_ctrl = CYPRESS_FX2,
84 .firmware = "dvb-usb-avertv-a800-02.fw",
91 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
92 .pid_filter_count = 32,
93 .streaming_ctrl = dibusb2_0_streaming_ctrl,
94 .pid_filter = dibusb_pid_filter,
95 .pid_filter_ctrl = dibusb_pid_filter_ctrl,
97 .frontend_attach = dibusb_dib3000mc_frontend_attach,
98 .tuner_attach = dibusb_dib3000mc_tuner_attach,
100 /* parameter for the MPEG2-data transfer */
112 .size_of_priv = sizeof(struct dibusb_state),
116 .power_ctrl = a800_power_ctrl,
117 .identify_state = a800_identify_state,
120 .rc_interval = DEFAULT_RC_INTERVAL,
121 .rc_codes = RC_MAP_AVERMEDIA_M135A,
122 .module_name = KBUILD_MODNAME,
123 .rc_query = a800_rc_query,
124 .allowed_protos = RC_PROTO_BIT_NEC,
127 .i2c_algo = &dibusb_i2c_algo,
129 .generic_bulk_ctrl_endpoint = 0x01,
130 .num_device_descs = 1,
132 { "AVerMedia AverTV DVB-T USB 2.0 (A800)",
133 { &a800_table[0], NULL },
134 { &a800_table[1], NULL },
139 static struct usb_driver a800_driver = {
140 .name = "dvb_usb_a800",
142 .disconnect = dvb_usb_device_exit,
143 .id_table = a800_table,
146 module_usb_driver(a800_driver);
148 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
149 MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
150 MODULE_VERSION("1.0");
151 MODULE_LICENSE("GPL");