drivers/media/dvb/dvb-usb/nova-t-usb2.c

   1 /* DVB USB framework compliant Linux driver for the Hauppauge WinTV-NOVA-T usb2
   2  * DVB-T receiver.
   3  *
   4  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
   5  *
   6  *      This program is free software; you can redistribute it and/or modify it
   7  *      under the terms of the GNU General Public License as published by the Free
   8  *      Software Foundation, version 2.
   9  *
  10  * see Documentation/dvb/README.dvb-usb for more information
  11  */
  12 #include "dibusb.h"
  13
  14 static int debug;
  15 module_param(debug, int, 0644);
  16 MODULE_PARM_DESC(debug, "set debugging level (1=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS);
  17
  18 #define deb_rc(args...) dprintk(debug,0x01,args)
  19 #define deb_ee(args...) dprintk(debug,0x02,args)
  20
  21 /* Hauppauge NOVA-T USB2 keys */
  22 static struct dvb_usb_rc_key haupp_rc_keys [] = {
  23         { 0x1e, 0x00, KEY_0 },
  24         { 0x1e, 0x01, KEY_1 },
  25         { 0x1e, 0x02, KEY_2 },
  26         { 0x1e, 0x03, KEY_3 },
  27         { 0x1e, 0x04, KEY_4 },
  28         { 0x1e, 0x05, KEY_5 },
  29         { 0x1e, 0x06, KEY_6 },
  30         { 0x1e, 0x07, KEY_7 },
  31         { 0x1e, 0x08, KEY_8 },
  32         { 0x1e, 0x09, KEY_9 },
  33         { 0x1e, 0x0a, KEY_KPASTERISK },
  34         { 0x1e, 0x0b, KEY_RED },
  35         { 0x1e, 0x0c, KEY_RADIO },
  36         { 0x1e, 0x0d, KEY_MENU },
  37         { 0x1e, 0x0e, KEY_GRAVE }, /* # */
  38         { 0x1e, 0x0f, KEY_MUTE },
  39         { 0x1e, 0x10, KEY_VOLUMEUP },
  40         { 0x1e, 0x11, KEY_VOLUMEDOWN },
  41         { 0x1e, 0x12, KEY_CHANNEL },
  42         { 0x1e, 0x14, KEY_UP },
  43         { 0x1e, 0x15, KEY_DOWN },
  44         { 0x1e, 0x16, KEY_LEFT },
  45         { 0x1e, 0x17, KEY_RIGHT },
  46         { 0x1e, 0x18, KEY_VIDEO },
  47         { 0x1e, 0x19, KEY_AUDIO },
  48         { 0x1e, 0x1a, KEY_MEDIA },
  49         { 0x1e, 0x1b, KEY_EPG },
  50         { 0x1e, 0x1c, KEY_TV },
  51         { 0x1e, 0x1e, KEY_NEXT },
  52         { 0x1e, 0x1f, KEY_BACK },
  53         { 0x1e, 0x20, KEY_CHANNELUP },
  54         { 0x1e, 0x21, KEY_CHANNELDOWN },
  55         { 0x1e, 0x24, KEY_LAST }, /* Skip backwards */
  56         { 0x1e, 0x25, KEY_OK },
  57         { 0x1e, 0x29, KEY_BLUE},
  58         { 0x1e, 0x2e, KEY_GREEN },
  59         { 0x1e, 0x30, KEY_PAUSE },
  60         { 0x1e, 0x32, KEY_REWIND },
  61         { 0x1e, 0x34, KEY_FASTFORWARD },
  62         { 0x1e, 0x35, KEY_PLAY },
  63         { 0x1e, 0x36, KEY_STOP },
  64         { 0x1e, 0x37, KEY_RECORD },
  65         { 0x1e, 0x38, KEY_YELLOW },
  66         { 0x1e, 0x3b, KEY_GOTO },
  67         { 0x1e, 0x3d, KEY_POWER },
  68 };
  69
  70 /* Firmware bug? sometimes, when a new key is pressed, the previous pressed key
  71  * is delivered. No workaround yet, maybe a new firmware.
  72  */
  73 static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
  74 {
  75         u8 key[5],cmd[2] = { DIBUSB_REQ_POLL_REMOTE, 0x35 }, data,toggle,custom;
  76         u16 raw;
  77         int i;
  78         struct dibusb_state *st = d->priv;
  79
  80         dvb_usb_generic_rw(d,cmd,2,key,5,0);
  81
  82         *state = REMOTE_NO_KEY_PRESSED;
  83         switch (key[0]) {
  84                 case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
  85                         raw = ((key[1] << 8) | key[2]) >> 3;
  86                         toggle = !!(raw & 0x800);
  87                         data = raw & 0x3f;
  88                         custom = (raw >> 6) & 0x1f;
  89
  90                         deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",key[1],key[2],key[3],custom,data,toggle);
  91
  92                         for (i = 0; i < ARRAY_SIZE(haupp_rc_keys); i++) {
  93                                 deb_rc("c: %x, d: %x\n",haupp_rc_keys[i].data,haupp_rc_keys[i].custom);
  94                                 if (haupp_rc_keys[i].data == data &&
  95                                         haupp_rc_keys[i].custom == custom) {
  96                                         *event = haupp_rc_keys[i].event;
  97                                         *state = REMOTE_KEY_PRESSED;
  98                                         if (st->old_toggle == toggle) {
  99                                                 if (st->last_repeat_count++ < 2)
 100                                                         *state = REMOTE_NO_KEY_PRESSED;
 101                                         } else {
 102                                                 st->last_repeat_count = 0;
 103                                                 st->old_toggle = toggle;
 104                                         }
 105                                         break;
 106                                 }
 107                         }
 108
 109                         break;
 110                 case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
 111                 default:
 112                         break;
 113         }
 114
 115         return 0;
 116 }
 117
 118 static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
 119 {
 120         int i;
 121         u8 b;
 122
 123         mac[0] = 0x00;
 124         mac[1] = 0x0d;
 125         mac[2] = 0xfe;
 126
 127         /* this is a complete guess, but works for my box */
 128         for (i = 136; i < 139; i++) {
 129                 dibusb_read_eeprom_byte(d,i, &b);
 130
 131                 mac[5 - (i - 136)] = b;
 132
 133 /*              deb_ee("%02x ",b);
 134                 if ((i+1) % 16 == 0)
 135                         deb_ee("\n");*/
 136         }
 137
 138         return 0;
 139 }
 140
 141 /* USB Driver stuff */
 142 static struct dvb_usb_properties nova_t_properties;
 143
 144 static int nova_t_probe(struct usb_interface *intf,
 145                 const struct usb_device_id *id)
 146 {
 147         return dvb_usb_device_init(intf,&nova_t_properties,THIS_MODULE,NULL);
 148 }
 149
 150 /* do not change the order of the ID table */
 151 static struct usb_device_id nova_t_table [] = {
 152 /* 00 */        { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_COLD) },
 153 /* 01 */        { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_WARM) },
 154                         { }             /* Terminating entry */
 155 };
 156 MODULE_DEVICE_TABLE (usb, nova_t_table);
 157
 158 static struct dvb_usb_properties nova_t_properties = {
 159         .caps = DVB_USB_HAS_PID_FILTER | DVB_USB_PID_FILTER_CAN_BE_TURNED_OFF | DVB_USB_IS_AN_I2C_ADAPTER,
 160         .pid_filter_count = 32,
 161
 162         .usb_ctrl = CYPRESS_FX2,
 163         .firmware = "dvb-usb-nova-t-usb2-01.fw",
 164
 165         .size_of_priv     = sizeof(struct dibusb_state),
 166
 167         .streaming_ctrl   = dibusb2_0_streaming_ctrl,
 168         .pid_filter       = dibusb_pid_filter,
 169         .pid_filter_ctrl  = dibusb_pid_filter_ctrl,
 170         .power_ctrl       = dibusb2_0_power_ctrl,
 171         .frontend_attach  = dibusb_dib3000mc_frontend_attach,
 172         .tuner_attach     = dibusb_dib3000mc_tuner_attach,
 173         .read_mac_address = nova_t_read_mac_address,
 174
 175         .rc_interval      = 100,
 176         .rc_key_map       = haupp_rc_keys,
 177         .rc_key_map_size  = ARRAY_SIZE(haupp_rc_keys),
 178         .rc_query         = nova_t_rc_query,
 179
 180         .i2c_algo         = &dibusb_i2c_algo,
 181
 182         .generic_bulk_ctrl_endpoint = 0x01,
 183         /* parameter for the MPEG2-data transfer */
 184         .urb = {
 185                 .type = DVB_USB_BULK,
 186                 .count = 7,
 187                 .endpoint = 0x06,
 188                 .u = {
 189                         .bulk = {
 190                                 .buffersize = 4096,
 191                         }
 192                 }
 193         },
 194
 195         .num_device_descs = 1,
 196         .devices = {
 197                 {   "Hauppauge WinTV-NOVA-T usb2",
 198                         { &nova_t_table[0], NULL },
 199                         { &nova_t_table[1], NULL },
 200                 },
 201         }
 202 };
 203
 204 static struct usb_driver nova_t_driver = {
 205         .owner          = THIS_MODULE,
 206         .name           = "dvb_usb_nova_t_usb2",
 207         .probe          = nova_t_probe,
 208         .disconnect = dvb_usb_device_exit,
 209         .id_table       = nova_t_table,
 210 };
 211
 212 /* module stuff */
 213 static int __init nova_t_module_init(void)
 214 {
 215         int result;
 216         if ((result = usb_register(&nova_t_driver))) {
 217                 err("usb_register failed. Error number %d",result);
 218                 return result;
 219         }
 220
 221         return 0;
 222 }
 223
 224 static void __exit nova_t_module_exit(void)
 225 {
 226         /* deregister this driver from the USB subsystem */
 227         usb_deregister(&nova_t_driver);
 228 }
 229
 230 module_init (nova_t_module_init);
 231 module_exit (nova_t_module_exit);
 232
 233 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 234 MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
 235 MODULE_VERSION("1.0");
 236 MODULE_LICENSE("GPL");