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Linux/drivers/media/usb/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: %*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 

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