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");