b95a95e1784056b0a8ed13f3e7db3c711ab1cc0c
[linux-2.6.git] / drivers / media / dvb / dvb-usb / a800.c
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: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
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                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
131                         .pid_filter_count = 32,
132                         .streaming_ctrl   = dibusb2_0_streaming_ctrl,
133                         .pid_filter       = dibusb_pid_filter,
134                         .pid_filter_ctrl  = dibusb_pid_filter_ctrl,
135
136                         .frontend_attach  = dibusb_dib3000mc_frontend_attach,
137                         .tuner_attach     = dibusb_dib3000mc_tuner_attach,
138
139                         /* parameter for the MPEG2-data transfer */
140                                         .stream = {
141                                                 .type = USB_BULK,
142                                 .count = 7,
143                                 .endpoint = 0x06,
144                                 .u = {
145                                         .bulk = {
146                                                 .buffersize = 4096,
147                                         }
148                                 }
149                         },
150
151                         .size_of_priv     = sizeof(struct dibusb_state),
152                 },
153         },
154
155         .power_ctrl       = a800_power_ctrl,
156         .identify_state   = a800_identify_state,
157
158         .rc.legacy = {
159                 .rc_interval      = DEFAULT_RC_INTERVAL,
160                 .rc_map_table     = rc_map_a800_table,
161                 .rc_map_size      = ARRAY_SIZE(rc_map_a800_table),
162                 .rc_query         = a800_rc_query,
163         },
164
165         .i2c_algo         = &dibusb_i2c_algo,
166
167         .generic_bulk_ctrl_endpoint = 0x01,
168         .num_device_descs = 1,
169         .devices = {
170                 {   "AVerMedia AverTV DVB-T USB 2.0 (A800)",
171                         { &a800_table[0], NULL },
172                         { &a800_table[1], NULL },
173                 },
174         }
175 };
176
177 static struct usb_driver a800_driver = {
178         .name           = "dvb_usb_a800",
179         .probe          = a800_probe,
180         .disconnect = dvb_usb_device_exit,
181         .id_table       = a800_table,
182 };
183
184 /* module stuff */
185 static int __init a800_module_init(void)
186 {
187         int result;
188         if ((result = usb_register(&a800_driver))) {
189                 err("usb_register failed. Error number %d",result);
190                 return result;
191         }
192
193         return 0;
194 }
195
196 static void __exit a800_module_exit(void)
197 {
198         /* deregister this driver from the USB subsystem */
199         usb_deregister(&a800_driver);
200 }
201
202 module_init (a800_module_init);
203 module_exit (a800_module_exit);
204
205 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
206 MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
207 MODULE_VERSION("1.0");
208 MODULE_LICENSE("GPL");