xref: /openbmc/linux/drivers/media/usb/dvb-usb/a800.c (revision c819e2cf)
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 
18 static int debug;
19 module_param(debug, int, 0644);
20 MODULE_PARM_DESC(debug, "set debugging level (rc=1 (or-able))." DVB_USB_DEBUG_STATUS);
21 
22 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
23 
24 #define deb_rc(args...)   dprintk(debug,0x01,args)
25 
26 static 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 */
33 static 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 
40 static 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 
79 static 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;
98 out:
99 	kfree(key);
100 	return ret;
101 }
102 
103 /* USB Driver stuff */
104 static struct dvb_usb_device_properties a800_properties;
105 
106 static 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 */
114 static 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 };
119 MODULE_DEVICE_TABLE (usb, a800_table);
120 
121 static 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 
179 static 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 
186 module_usb_driver(a800_driver);
187 
188 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
189 MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
190 MODULE_VERSION("1.0");
191 MODULE_LICENSE("GPL");
192