drivers/media/usb/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@posteo.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 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  19
  20 #define deb_rc(args...) dprintk(debug,0x01,args)
  21 #define deb_ee(args...) dprintk(debug,0x02,args)
  22
  23 /* Hauppauge NOVA-T USB2 keys */
  24 static struct rc_map_table rc_map_haupp_table[] = {
  25         { 0x1e00, KEY_0 },
  26         { 0x1e01, KEY_1 },
  27         { 0x1e02, KEY_2 },
  28         { 0x1e03, KEY_3 },
  29         { 0x1e04, KEY_4 },
  30         { 0x1e05, KEY_5 },
  31         { 0x1e06, KEY_6 },
  32         { 0x1e07, KEY_7 },
  33         { 0x1e08, KEY_8 },
  34         { 0x1e09, KEY_9 },
  35         { 0x1e0a, KEY_KPASTERISK },
  36         { 0x1e0b, KEY_RED },
  37         { 0x1e0c, KEY_RADIO },
  38         { 0x1e0d, KEY_MENU },
  39         { 0x1e0e, KEY_GRAVE }, /* # */
  40         { 0x1e0f, KEY_MUTE },
  41         { 0x1e10, KEY_VOLUMEUP },
  42         { 0x1e11, KEY_VOLUMEDOWN },
  43         { 0x1e12, KEY_CHANNEL },
  44         { 0x1e14, KEY_UP },
  45         { 0x1e15, KEY_DOWN },
  46         { 0x1e16, KEY_LEFT },
  47         { 0x1e17, KEY_RIGHT },
  48         { 0x1e18, KEY_VIDEO },
  49         { 0x1e19, KEY_AUDIO },
  50         { 0x1e1a, KEY_IMAGES },
  51         { 0x1e1b, KEY_EPG },
  52         { 0x1e1c, KEY_TV },
  53         { 0x1e1e, KEY_NEXT },
  54         { 0x1e1f, KEY_BACK },
  55         { 0x1e20, KEY_CHANNELUP },
  56         { 0x1e21, KEY_CHANNELDOWN },
  57         { 0x1e24, KEY_LAST }, /* Skip backwards */
  58         { 0x1e25, KEY_OK },
  59         { 0x1e29, KEY_BLUE},
  60         { 0x1e2e, KEY_GREEN },
  61         { 0x1e30, KEY_PAUSE },
  62         { 0x1e32, KEY_REWIND },
  63         { 0x1e34, KEY_FASTFORWARD },
  64         { 0x1e35, KEY_PLAY },
  65         { 0x1e36, KEY_STOP },
  66         { 0x1e37, KEY_RECORD },
  67         { 0x1e38, KEY_YELLOW },
  68         { 0x1e3b, KEY_GOTO },
  69         { 0x1e3d, KEY_POWER },
  70 };
  71
  72 /* Firmware bug? sometimes, when a new key is pressed, the previous pressed key
  73  * is delivered. No workaround yet, maybe a new firmware.
  74  */
  75 static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
  76 {
  77         u8 *buf, data, toggle, custom;
  78         u16 raw;
  79         int i, ret;
  80         struct dibusb_device_state *st = d->priv;
  81
  82         buf = kmalloc(5, GFP_KERNEL);
  83         if (!buf)
  84                 return -ENOMEM;
  85
  86         buf[0] = DIBUSB_REQ_POLL_REMOTE;
  87         buf[1] = 0x35;
  88         ret = dvb_usb_generic_rw(d, buf, 2, buf, 5, 0);
  89         if (ret < 0)
  90                 goto ret;
  91
  92         *state = REMOTE_NO_KEY_PRESSED;
  93         switch (buf[0]) {
  94                 case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
  95                         raw = ((buf[1] << 8) | buf[2]) >> 3;
  96                         toggle = !!(raw & 0x800);
  97                         data = raw & 0x3f;
  98                         custom = (raw >> 6) & 0x1f;
  99
 100                         deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",
 101                                buf[1], buf[2], buf[3], custom, data, toggle);
 102
 103                         for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) {
 104                                 if (rc5_data(&rc_map_haupp_table[i]) == data &&
 105                                         rc5_custom(&rc_map_haupp_table[i]) == custom) {
 106
 107                                         deb_rc("c: %x, d: %x\n", rc5_data(&rc_map_haupp_table[i]),
 108                                                                  rc5_custom(&rc_map_haupp_table[i]));
 109
 110                                         *event = rc_map_haupp_table[i].keycode;
 111                                         *state = REMOTE_KEY_PRESSED;
 112                                         if (st->old_toggle == toggle) {
 113                                                 if (st->last_repeat_count++ < 2)
 114                                                         *state = REMOTE_NO_KEY_PRESSED;
 115                                         } else {
 116                                                 st->last_repeat_count = 0;
 117                                                 st->old_toggle = toggle;
 118                                         }
 119                                         break;
 120                                 }
 121                         }
 122
 123                         break;
 124                 case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
 125                 default:
 126                         break;
 127         }
 128
 129 ret:
 130         kfree(buf);
 131         return ret;
 132 }
 133
 134 static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
 135 {
 136         int i, ret;
 137         u8 b;
 138
 139         mac[0] = 0x00;
 140         mac[1] = 0x0d;
 141         mac[2] = 0xfe;
 142
 143         /* this is a complete guess, but works for my box */
 144         for (i = 136; i < 139; i++) {
 145                 ret = dibusb_read_eeprom_byte(d, i, &b);
 146                 if (ret)
 147                         return ret;
 148
 149                 mac[5 - (i - 136)] = b;
 150         }
 151
 152         return 0;
 153 }
 154
 155 /* USB Driver stuff */
 156 static struct dvb_usb_device_properties nova_t_properties;
 157
 158 static int nova_t_probe(struct usb_interface *intf,
 159                 const struct usb_device_id *id)
 160 {
 161         return dvb_usb_device_init(intf, &nova_t_properties,
 162                                    THIS_MODULE, NULL, adapter_nr);
 163 }
 164
 165 /* do not change the order of the ID table */
 166 static struct usb_device_id nova_t_table [] = {
 167 /* 00 */        { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_COLD) },
 168 /* 01 */        { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_WARM) },
 169                         { }             /* Terminating entry */
 170 };
 171 MODULE_DEVICE_TABLE(usb, nova_t_table);
 172
 173 static struct dvb_usb_device_properties nova_t_properties = {
 174         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
 175
 176         .usb_ctrl = CYPRESS_FX2,
 177         .firmware = "/*(DEBLOBBED)*/",
 178
 179         .num_adapters     = 1,
 180         .adapter          = {
 181                 {
 182                 .num_frontends = 1,
 183                 .fe = {{
 184                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
 185                         .pid_filter_count = 32,
 186
 187                         .streaming_ctrl   = dibusb2_0_streaming_ctrl,
 188                         .pid_filter       = dibusb_pid_filter,
 189                         .pid_filter_ctrl  = dibusb_pid_filter_ctrl,
 190                         .frontend_attach  = dibusb_dib3000mc_frontend_attach,
 191                         .tuner_attach     = dibusb_dib3000mc_tuner_attach,
 192
 193                         /* parameter for the MPEG2-data transfer */
 194                                         .stream = {
 195                                                 .type = USB_BULK,
 196                                 .count = 7,
 197                                 .endpoint = 0x06,
 198                                 .u = {
 199                                         .bulk = {
 200                                                 .buffersize = 4096,
 201                                         }
 202                                 }
 203                         },
 204                 }},
 205                         .size_of_priv     = sizeof(struct dibusb_state),
 206                 }
 207         },
 208         .size_of_priv     = sizeof(struct dibusb_device_state),
 209
 210         .power_ctrl       = dibusb2_0_power_ctrl,
 211         .read_mac_address = nova_t_read_mac_address,
 212
 213         .rc.legacy = {
 214                 .rc_interval      = 100,
 215                 .rc_map_table     = rc_map_haupp_table,
 216                 .rc_map_size      = ARRAY_SIZE(rc_map_haupp_table),
 217                 .rc_query         = nova_t_rc_query,
 218         },
 219
 220         .i2c_algo         = &dibusb_i2c_algo,
 221
 222         .generic_bulk_ctrl_endpoint = 0x01,
 223
 224         .num_device_descs = 1,
 225         .devices = {
 226                 {   "Hauppauge WinTV-NOVA-T usb2",
 227                         { &nova_t_table[0], NULL },
 228                         { &nova_t_table[1], NULL },
 229                 },
 230                 { NULL },
 231         }
 232 };
 233
 234 static struct usb_driver nova_t_driver = {
 235         .name           = "dvb_usb_nova_t_usb2",
 236         .probe          = nova_t_probe,
 237         .disconnect = dvb_usb_device_exit,
 238         .id_table       = nova_t_table,
 239 };
 240
 241 module_usb_driver(nova_t_driver);
 242
 243 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
 244 MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
 245 MODULE_VERSION("1.0");
 246 MODULE_LICENSE("GPL");