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 #define deb_rc(args...)   dprintk(debug,0x01,args)
  22
  23 static int a800_power_ctrl(struct dvb_usb_device *d, int onoff)
  24 {
  25         /* do nothing for the AVerMedia */
  26         return 0;
  27 }
  28
  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)
  32 {
  33         *cold = udev->descriptor.iManufacturer != 1;
  34         return 0;
  35 }
  36
  37 static struct dvb_usb_rc_key a800_rc_keys[] = {
  38         { 0x02, 0x01, KEY_PROG1 },       /* SOURCE */
  39         { 0x02, 0x00, KEY_POWER },       /* POWER */
  40         { 0x02, 0x05, KEY_1 },           /* 1 */
  41         { 0x02, 0x06, KEY_2 },           /* 2 */
  42         { 0x02, 0x07, KEY_3 },           /* 3 */
  43         { 0x02, 0x09, KEY_4 },           /* 4 */
  44         { 0x02, 0x0a, KEY_5 },           /* 5 */
  45         { 0x02, 0x0b, KEY_6 },           /* 6 */
  46         { 0x02, 0x0d, KEY_7 },           /* 7 */
  47         { 0x02, 0x0e, KEY_8 },           /* 8 */
  48         { 0x02, 0x0f, KEY_9 },           /* 9 */
  49         { 0x02, 0x12, KEY_LEFT },        /* L / DISPLAY */
  50         { 0x02, 0x11, KEY_0 },           /* 0 */
  51         { 0x02, 0x13, KEY_RIGHT },       /* R / CH RTN */
  52         { 0x02, 0x17, KEY_PROG2 },       /* SNAP SHOT */
  53         { 0x02, 0x10, KEY_PROG3 },       /* 16-CH PREV */
  54         { 0x02, 0x1e, KEY_VOLUMEDOWN },  /* VOL DOWN */
  55         { 0x02, 0x0c, KEY_ZOOM },        /* FULL SCREEN */
  56         { 0x02, 0x1f, KEY_VOLUMEUP },    /* VOL UP */
  57         { 0x02, 0x14, KEY_MUTE },        /* MUTE */
  58         { 0x02, 0x08, KEY_AUDIO },       /* AUDIO */
  59         { 0x02, 0x19, KEY_RECORD },      /* RECORD */
  60         { 0x02, 0x18, KEY_PLAY },        /* PLAY */
  61         { 0x02, 0x1b, KEY_STOP },        /* STOP */
  62         { 0x02, 0x1a, KEY_PLAYPAUSE },   /* TIMESHIFT / PAUSE */
  63         { 0x02, 0x1d, KEY_BACK },        /* << / RED */
  64         { 0x02, 0x1c, KEY_FORWARD },     /* >> / YELLOW */
  65         { 0x02, 0x03, KEY_TEXT },        /* TELETEXT */
  66         { 0x02, 0x04, KEY_EPG },         /* EPG */
  67         { 0x02, 0x15, KEY_MENU },        /* MENU */
  68
  69         { 0x03, 0x03, KEY_CHANNELUP },   /* CH UP */
  70         { 0x03, 0x02, KEY_CHANNELDOWN }, /* CH DOWN */
  71         { 0x03, 0x01, KEY_FIRST },       /* |<< / GREEN */
  72         { 0x03, 0x00, KEY_LAST },        /* >>| / BLUE */
  73
  74 };
  75
  76 static int a800_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
  77 {
  78         u8 key[5];
  79         if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0),
  80                                 0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5,
  81                                 2000) != 5)
  82                 return -ENODEV;
  83
  84         /* call the universal NEC remote processor, to find out the key's state and event */
  85         dvb_usb_nec_rc_key_to_event(d,key,event,state);
  86         if (key[0] != 0)
  87                 deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
  88         return 0;
  89 }
  90
  91 /* USB Driver stuff */
  92 static struct dvb_usb_device_properties a800_properties;
  93
  94 static int a800_probe(struct usb_interface *intf,
  95                 const struct usb_device_id *id)
  96 {
  97         return dvb_usb_device_init(intf,&a800_properties,THIS_MODULE,NULL);
  98 }
  99
 100 /* do not change the order of the ID table */
 101 static struct usb_device_id a800_table [] = {
 102 /* 00 */        { USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_COLD) },
 103 /* 01 */        { USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_WARM) },
 104                         { }             /* Terminating entry */
 105 };
 106 MODULE_DEVICE_TABLE (usb, a800_table);
 107
 108 static struct dvb_usb_device_properties a800_properties = {
 109         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 110
 111         .usb_ctrl = CYPRESS_FX2,
 112         .firmware = "dvb-usb-avertv-a800-02.fw",
 113
 114         .num_adapters = 1,
 115         .adapter = {
 116                 {
 117                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 118                         .pid_filter_count = 32,
 119                         .streaming_ctrl   = dibusb2_0_streaming_ctrl,
 120                         .pid_filter       = dibusb_pid_filter,
 121                         .pid_filter_ctrl  = dibusb_pid_filter_ctrl,
 122
 123                         .frontend_attach  = dibusb_dib3000mc_frontend_attach,
 124                         .tuner_attach     = dibusb_dib3000mc_tuner_attach,
 125
 126                         /* parameter for the MPEG2-data transfer */
 127                                         .stream = {
 128                                                 .type = USB_BULK,
 129                                 .count = 7,
 130                                 .endpoint = 0x06,
 131                                 .u = {
 132                                         .bulk = {
 133                                                 .buffersize = 4096,
 134                                         }
 135                                 }
 136                         },
 137
 138                         .size_of_priv     = sizeof(struct dibusb_state),
 139                 },
 140         },
 141
 142         .power_ctrl       = a800_power_ctrl,
 143         .identify_state   = a800_identify_state,
 144
 145         .rc_interval      = DEFAULT_RC_INTERVAL,
 146         .rc_key_map       = a800_rc_keys,
 147         .rc_key_map_size  = ARRAY_SIZE(a800_rc_keys),
 148         .rc_query         = a800_rc_query,
 149
 150         .i2c_algo         = &dibusb_i2c_algo,
 151
 152         .generic_bulk_ctrl_endpoint = 0x01,
 153         .num_device_descs = 1,
 154         .devices = {
 155                 {   "AVerMedia AverTV DVB-T USB 2.0 (A800)",
 156                         { &a800_table[0], NULL },
 157                         { &a800_table[1], NULL },
 158                 },
 159         }
 160 };
 161
 162 static struct usb_driver a800_driver = {
 163         .name           = "dvb_usb_a800",
 164         .probe          = a800_probe,
 165         .disconnect = dvb_usb_device_exit,
 166         .id_table       = a800_table,
 167 };
 168
 169 /* module stuff */
 170 static int __init a800_module_init(void)
 171 {
 172         int result;
 173         if ((result = usb_register(&a800_driver))) {
 174                 err("usb_register failed. Error number %d",result);
 175                 return result;
 176         }
 177
 178         return 0;
 179 }
 180
 181 static void __exit a800_module_exit(void)
 182 {
 183         /* deregister this driver from the USB subsystem */
 184         usb_deregister(&a800_driver);
 185 }
 186
 187 module_init (a800_module_init);
 188 module_exit (a800_module_exit);
 189
 190 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 191 MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
 192 MODULE_VERSION("1.0");
 193 MODULE_LICENSE("GPL");