1/* DVB USB framework compliant Linux driver for the AVerMedia AverTV DVB-T
2 * USB2.0 (A800) DVB-T receiver.
3 *
4 * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
5 *
6 * Thanks to
7 *   - AVerMedia who kindly provided information and
8 *   - Glen Harris who suffered from my mistakes during development.
9 *
10 *	This program is free software; you can redistribute it and/or modify it
11 *	under the terms of the GNU General Public License as published by the Free
12 *	Software Foundation, version 2.
13 *
14 * see Documentation/dvb/README.dvb-usb for more information
15 */
16#include "dibusb.h"
17
18static int debug;
19module_param(debug, int, 0644);
20MODULE_PARM_DESC(debug, "set debugging level (rc=1 (or-able))." DVB_USB_DEBUG_STATUS);
21
22DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
23
24#define deb_rc(args...)   dprintk(debug,0x01,args)
25
26static int a800_power_ctrl(struct dvb_usb_device *d, int onoff)
27{
28	/* do nothing for the AVerMedia */
29	return 0;
30}
31
32/* assure to put cold to 0 for iManufacturer == 1 */
33static int a800_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props,
34	struct dvb_usb_device_description **desc, int *cold)
35{
36	*cold = udev->descriptor.iManufacturer != 1;
37	return 0;
38}
39
40static struct rc_map_table rc_map_a800_table[] = {
41	{ 0x0201, KEY_MODE },      /* SOURCE */
42	{ 0x0200, KEY_POWER2 },      /* POWER */
43	{ 0x0205, KEY_1 },           /* 1 */
44	{ 0x0206, KEY_2 },           /* 2 */
45	{ 0x0207, KEY_3 },           /* 3 */
46	{ 0x0209, KEY_4 },           /* 4 */
47	{ 0x020a, KEY_5 },           /* 5 */
48	{ 0x020b, KEY_6 },           /* 6 */
49	{ 0x020d, KEY_7 },           /* 7 */
50	{ 0x020e, KEY_8 },           /* 8 */
51	{ 0x020f, KEY_9 },           /* 9 */
52	{ 0x0212, KEY_LEFT },        /* L / DISPLAY */
53	{ 0x0211, KEY_0 },           /* 0 */
54	{ 0x0213, KEY_RIGHT },       /* R / CH RTN */
55	{ 0x0217, KEY_CAMERA },      /* SNAP SHOT */
56	{ 0x0210, KEY_LAST },        /* 16-CH PREV */
57	{ 0x021e, KEY_VOLUMEDOWN },  /* VOL DOWN */
58	{ 0x020c, KEY_ZOOM },        /* FULL SCREEN */
59	{ 0x021f, KEY_VOLUMEUP },    /* VOL UP */
60	{ 0x0214, KEY_MUTE },        /* MUTE */
61	{ 0x0208, KEY_AUDIO },       /* AUDIO */
62	{ 0x0219, KEY_RECORD },      /* RECORD */
63	{ 0x0218, KEY_PLAY },        /* PLAY */
64	{ 0x021b, KEY_STOP },        /* STOP */
65	{ 0x021a, KEY_PLAYPAUSE },   /* TIMESHIFT / PAUSE */
66	{ 0x021d, KEY_BACK },        /* << / RED */
67	{ 0x021c, KEY_FORWARD },     /* >> / YELLOW */
68	{ 0x0203, KEY_TEXT },        /* TELETEXT */
69	{ 0x0204, KEY_EPG },         /* EPG */
70	{ 0x0215, KEY_MENU },        /* MENU */
71
72	{ 0x0303, KEY_CHANNELUP },   /* CH UP */
73	{ 0x0302, KEY_CHANNELDOWN }, /* CH DOWN */
74	{ 0x0301, KEY_FIRST },       /* |<< / GREEN */
75	{ 0x0300, KEY_LAST },        /* >>| / BLUE */
76
77};
78
79static int a800_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
80{
81	int ret;
82	u8 *key = kmalloc(5, GFP_KERNEL);
83	if (!key)
84		return -ENOMEM;
85
86	if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0),
87				0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5,
88				2000) != 5) {
89		ret = -ENODEV;
90		goto out;
91	}
92
93	/* call the universal NEC remote processor, to find out the key's state and event */
94	dvb_usb_nec_rc_key_to_event(d,key,event,state);
95	if (key[0] != 0)
96		deb_rc("key: %*ph\n", 5, key);
97	ret = 0;
98out:
99	kfree(key);
100	return ret;
101}
102
103/* USB Driver stuff */
104static struct dvb_usb_device_properties a800_properties;
105
106static int a800_probe(struct usb_interface *intf,
107		const struct usb_device_id *id)
108{
109	return dvb_usb_device_init(intf, &a800_properties,
110				   THIS_MODULE, NULL, adapter_nr);
111}
112
113/* do not change the order of the ID table */
114static struct usb_device_id a800_table [] = {
115/* 00 */	{ USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_COLD) },
116/* 01 */	{ USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_WARM) },
117			{ }		/* Terminating entry */
118};
119MODULE_DEVICE_TABLE (usb, a800_table);
120
121static struct dvb_usb_device_properties a800_properties = {
122	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
123
124	.usb_ctrl = CYPRESS_FX2,
125	.firmware = "dvb-usb-avertv-a800-02.fw",
126
127	.num_adapters = 1,
128	.adapter = {
129		{
130		.num_frontends = 1,
131		.fe = {{
132			.caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
133			.pid_filter_count = 32,
134			.streaming_ctrl   = dibusb2_0_streaming_ctrl,
135			.pid_filter       = dibusb_pid_filter,
136			.pid_filter_ctrl  = dibusb_pid_filter_ctrl,
137
138			.frontend_attach  = dibusb_dib3000mc_frontend_attach,
139			.tuner_attach     = dibusb_dib3000mc_tuner_attach,
140
141			/* parameter for the MPEG2-data transfer */
142					.stream = {
143						.type = USB_BULK,
144				.count = 7,
145				.endpoint = 0x06,
146				.u = {
147					.bulk = {
148						.buffersize = 4096,
149					}
150				}
151			},
152		}},
153			.size_of_priv     = sizeof(struct dibusb_state),
154		},
155	},
156
157	.power_ctrl       = a800_power_ctrl,
158	.identify_state   = a800_identify_state,
159
160	.rc.legacy = {
161		.rc_interval      = DEFAULT_RC_INTERVAL,
162		.rc_map_table     = rc_map_a800_table,
163		.rc_map_size      = ARRAY_SIZE(rc_map_a800_table),
164		.rc_query         = a800_rc_query,
165	},
166
167	.i2c_algo         = &dibusb_i2c_algo,
168
169	.generic_bulk_ctrl_endpoint = 0x01,
170	.num_device_descs = 1,
171	.devices = {
172		{   "AVerMedia AverTV DVB-T USB 2.0 (A800)",
173			{ &a800_table[0], NULL },
174			{ &a800_table[1], NULL },
175		},
176	}
177};
178
179static struct usb_driver a800_driver = {
180	.name		= "dvb_usb_a800",
181	.probe		= a800_probe,
182	.disconnect = dvb_usb_device_exit,
183	.id_table	= a800_table,
184};
185
186module_usb_driver(a800_driver);
187
188MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
189MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
190MODULE_VERSION("1.0");
191MODULE_LICENSE("GPL");
192