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 dvb_usb_rc_key a800_rc_keys[] = {
  41         { 0x02, 0x01, KEY_PROG1 },       /* SOURCE */
  42         { 0x02, 0x00, KEY_POWER },       /* POWER */
  43         { 0x02, 0x05, KEY_1 },           /* 1 */
  44         { 0x02, 0x06, KEY_2 },           /* 2 */
  45         { 0x02, 0x07, KEY_3 },           /* 3 */
  46         { 0x02, 0x09, KEY_4 },           /* 4 */
  47         { 0x02, 0x0a, KEY_5 },           /* 5 */
  48         { 0x02, 0x0b, KEY_6 },           /* 6 */
  49         { 0x02, 0x0d, KEY_7 },           /* 7 */
  50         { 0x02, 0x0e, KEY_8 },           /* 8 */
  51         { 0x02, 0x0f, KEY_9 },           /* 9 */
  52         { 0x02, 0x12, KEY_LEFT },        /* L / DISPLAY */
  53         { 0x02, 0x11, KEY_0 },           /* 0 */
  54         { 0x02, 0x13, KEY_RIGHT },       /* R / CH RTN */
  55         { 0x02, 0x17, KEY_PROG2 },       /* SNAP SHOT */
  56         { 0x02, 0x10, KEY_PROG3 },       /* 16-CH PREV */
  57         { 0x02, 0x1e, KEY_VOLUMEDOWN },  /* VOL DOWN */
  58         { 0x02, 0x0c, KEY_ZOOM },        /* FULL SCREEN */
  59         { 0x02, 0x1f, KEY_VOLUMEUP },    /* VOL UP */
  60         { 0x02, 0x14, KEY_MUTE },        /* MUTE */
  61         { 0x02, 0x08, KEY_AUDIO },       /* AUDIO */
  62         { 0x02, 0x19, KEY_RECORD },      /* RECORD */
  63         { 0x02, 0x18, KEY_PLAY },        /* PLAY */
  64         { 0x02, 0x1b, KEY_STOP },        /* STOP */
  65         { 0x02, 0x1a, KEY_PLAYPAUSE },   /* TIMESHIFT / PAUSE */
  66         { 0x02, 0x1d, KEY_BACK },        /* << / RED */
  67         { 0x02, 0x1c, KEY_FORWARD },     /* >> / YELLOW */
  68         { 0x02, 0x03, KEY_TEXT },        /* TELETEXT */
  69         { 0x02, 0x04, KEY_EPG },         /* EPG */
  70         { 0x02, 0x15, KEY_MENU },        /* MENU */
  71
  72         { 0x03, 0x03, KEY_CHANNELUP },   /* CH UP */
  73         { 0x03, 0x02, KEY_CHANNELDOWN }, /* CH DOWN */
  74         { 0x03, 0x01, KEY_FIRST },       /* |<< / GREEN */
  75         { 0x03, 0x00, KEY_LAST },        /* >>| / BLUE */
  76
  77 };
  78
  79 static int a800_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
  80 {
  81         u8 key[5];
  82         if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0),
  83                                 0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5,
  84                                 2000) != 5)
  85                 return -ENODEV;
  86
  87         /* call the universal NEC remote processor, to find out the key's state and event */
  88         dvb_usb_nec_rc_key_to_event(d,key,event,state);
  89         if (key[0] != 0)
  90                 deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
  91         return 0;
  92 }
  93
  94 /* USB Driver stuff */
  95 static struct dvb_usb_device_properties a800_properties;
  96
  97 static int a800_probe(struct usb_interface *intf,
  98                 const struct usb_device_id *id)
  99 {
 100         return dvb_usb_device_init(intf, &a800_properties,
 101                                    THIS_MODULE, NULL, adapter_nr);
 102 }
 103
 104 /* do not change the order of the ID table */
 105 static struct usb_device_id a800_table [] = {
 106 /* 00 */        { USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_COLD) },
 107 /* 01 */        { USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_WARM) },
 108                         { }             /* Terminating entry */
 109 };
 110 MODULE_DEVICE_TABLE (usb, a800_table);
 111
 112 static struct dvb_usb_device_properties a800_properties = {
 113         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 114
 115         .usb_ctrl = CYPRESS_FX2,
 116         .firmware = "dvb-usb-avertv-a800-02.fw",
 117
 118         .num_adapters = 1,
 119         .adapter = {
 120                 {
 121                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 122                         .pid_filter_count = 32,
 123                         .streaming_ctrl   = dibusb2_0_streaming_ctrl,
 124                         .pid_filter       = dibusb_pid_filter,
 125                         .pid_filter_ctrl  = dibusb_pid_filter_ctrl,
 126
 127                         .frontend_attach  = dibusb_dib3000mc_frontend_attach,
 128                         .tuner_attach     = dibusb_dib3000mc_tuner_attach,
 129
 130                         /* parameter for the MPEG2-data transfer */
 131                                         .stream = {
 132                                                 .type = USB_BULK,
 133                                 .count = 7,
 134                                 .endpoint = 0x06,
 135                                 .u = {
 136                                         .bulk = {
 137                                                 .buffersize = 4096,
 138                                         }
 139                                 }
 140                         },
 141
 142                         .size_of_priv     = sizeof(struct dibusb_state),
 143                 },
 144         },
 145
 146         .power_ctrl       = a800_power_ctrl,
 147         .identify_state   = a800_identify_state,
 148
 149         .rc_interval      = DEFAULT_RC_INTERVAL,
 150         .rc_key_map       = a800_rc_keys,
 151         .rc_key_map_size  = ARRAY_SIZE(a800_rc_keys),
 152         .rc_query         = a800_rc_query,
 153
 154         .i2c_algo         = &dibusb_i2c_algo,
 155
 156         .generic_bulk_ctrl_endpoint = 0x01,
 157         .num_device_descs = 1,
 158         .devices = {
 159                 {   "AVerMedia AverTV DVB-T USB 2.0 (A800)",
 160                         { &a800_table[0], NULL },
 161                         { &a800_table[1], NULL },
 162                 },
 163         }
 164 };
 165
 166 static struct usb_driver a800_driver = {
 167         .name           = "dvb_usb_a800",
 168         .probe          = a800_probe,
 169         .disconnect = dvb_usb_device_exit,
 170         .id_table       = a800_table,
 171 };
 172
 173 /* module stuff */
 174 static int __init a800_module_init(void)
 175 {
 176         int result;
 177         if ((result = usb_register(&a800_driver))) {
 178                 err("usb_register failed. Error number %d",result);
 179                 return result;
 180         }
 181
 182         return 0;
 183 }
 184
 185 static void __exit a800_module_exit(void)
 186 {
 187         /* deregister this driver from the USB subsystem */
 188         usb_deregister(&a800_driver);
 189 }
 190
 191 module_init (a800_module_init);
 192 module_exit (a800_module_exit);
 193
 194 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 195 MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
 196 MODULE_VERSION("1.0");
 197 MODULE_LICENSE("GPL");