release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/media/dvb/dvb-usb/vp7045.c

   1 /* DVB USB compliant Linux driver for the
   2  *  - TwinhanDTV Alpha/MagicBoxII USB2.0 DVB-T receiver
   3  *  - DigitalNow TinyUSB2 DVB-t receiver
   4  *
   5  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
   6  *
   7  * Thanks to Twinhan who kindly provided hardware and information.
   8  *
   9  *      This program is free software; you can redistribute it and/or modify it
  10  *      under the terms of the GNU General Public License as published by the Free
  11  *      Software Foundation, version 2.
  12  *
  13  * see Documentation/dvb/README.dvb-usb for more information
  14  */
  15 #include "vp7045.h"
  16
  17 /* debug */
  18 static int dvb_usb_vp7045_debug;
  19 module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
  20 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
  21
  22 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  23
  24 #define deb_info(args...) dprintk(dvb_usb_vp7045_debug,0x01,args)
  25 #define deb_xfer(args...) dprintk(dvb_usb_vp7045_debug,0x02,args)
  26 #define deb_rc(args...)   dprintk(dvb_usb_vp7045_debug,0x04,args)
  27
  28 int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
  29 {
  30         int ret = 0;
  31         u8 inbuf[12] = { 0 }, outbuf[20] = { 0 };
  32
  33         outbuf[0] = cmd;
  34
  35         if (outlen > 19)
  36                 outlen = 19;
  37
  38         if (inlen > 11)
  39                 inlen = 11;
  40
  41         if (out != NULL && outlen > 0)
  42                 memcpy(&outbuf[1], out, outlen);
  43
  44         deb_xfer("out buffer: ");
  45         debug_dump(outbuf,outlen+1,deb_xfer);
  46
  47         if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
  48                 return ret;
  49
  50         if (usb_control_msg(d->udev,
  51                         usb_sndctrlpipe(d->udev,0),
  52                         TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
  53                         outbuf, 20, 2000) != 20) {
  54                 err("USB control message 'out' went wrong.");
  55                 ret = -EIO;
  56                 goto unlock;
  57         }
  58
  59         msleep(msec);
  60
  61         if (usb_control_msg(d->udev,
  62                         usb_rcvctrlpipe(d->udev,0),
  63                         TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
  64                         inbuf, 12, 2000) != 12) {
  65                 err("USB control message 'in' went wrong.");
  66                 ret = -EIO;
  67                 goto unlock;
  68         }
  69
  70         deb_xfer("in buffer: ");
  71         debug_dump(inbuf,12,deb_xfer);
  72
  73         if (in != NULL && inlen > 0)
  74                 memcpy(in,&inbuf[1],inlen);
  75
  76 unlock:
  77         mutex_unlock(&d->usb_mutex);
  78
  79         return ret;
  80 }
  81
  82 u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
  83 {
  84         u8 obuf[2] = { 0 },v;
  85         obuf[1] = reg;
  86
  87         vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
  88
  89         return v;
  90 }
  91
  92 static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
  93 {
  94         u8 v = onoff;
  95         return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
  96 }
  97
  98 /* remote control stuff */
  99
 100 /* The keymapping struct. Somehow this should be loaded to the driver, but
 101  * currently it is hardcoded. */
 102 static struct ir_scancode ir_codes_vp7045_table[] = {
 103         { 0x0016, KEY_POWER },
 104         { 0x0010, KEY_MUTE },
 105         { 0x0003, KEY_1 },
 106         { 0x0001, KEY_2 },
 107         { 0x0006, KEY_3 },
 108         { 0x0009, KEY_4 },
 109         { 0x001d, KEY_5 },
 110         { 0x001f, KEY_6 },
 111         { 0x000d, KEY_7 },
 112         { 0x0019, KEY_8 },
 113         { 0x001b, KEY_9 },
 114         { 0x0015, KEY_0 },
 115         { 0x0005, KEY_CHANNELUP },
 116         { 0x0002, KEY_CHANNELDOWN },
 117         { 0x001e, KEY_VOLUMEUP },
 118         { 0x000a, KEY_VOLUMEDOWN },
 119         { 0x0011, KEY_RECORD },
 120         { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 121         { 0x0014, KEY_PLAY },
 122         { 0x001a, KEY_STOP },
 123         { 0x0040, KEY_REWIND },
 124         { 0x0012, KEY_FASTFORWARD },
 125         { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 126         { 0x004c, KEY_PAUSE },
 127         { 0x004d, KEY_SCREEN }, /* Full screen mode. */
 128         { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 129         { 0x000c, KEY_CANCEL }, /* Cancel */
 130         { 0x001c, KEY_EPG }, /* EPG */
 131         { 0x0000, KEY_TAB }, /* Tab */
 132         { 0x0048, KEY_INFO }, /* Preview */
 133         { 0x0004, KEY_LIST }, /* RecordList */
 134         { 0x000f, KEY_TEXT }, /* Teletext */
 135         { 0x0041, KEY_PREVIOUSSONG },
 136         { 0x0042, KEY_NEXTSONG },
 137         { 0x004b, KEY_UP },
 138         { 0x0051, KEY_DOWN },
 139         { 0x004e, KEY_LEFT },
 140         { 0x0052, KEY_RIGHT },
 141         { 0x004f, KEY_ENTER },
 142         { 0x0013, KEY_CANCEL },
 143         { 0x004a, KEY_CLEAR },
 144         { 0x0054, KEY_PRINT }, /* Capture */
 145         { 0x0043, KEY_SUBTITLE }, /* Subtitle/CC */
 146         { 0x0008, KEY_VIDEO }, /* A/V */
 147         { 0x0007, KEY_SLEEP }, /* Hibernate */
 148         { 0x0045, KEY_ZOOM }, /* Zoom+ */
 149         { 0x0018, KEY_RED},
 150         { 0x0053, KEY_GREEN},
 151         { 0x005e, KEY_YELLOW},
 152         { 0x005f, KEY_BLUE}
 153 };
 154
 155 static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 156 {
 157         u8 key;
 158         int i;
 159         vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
 160
 161         deb_rc("remote query key: %x %d\n",key,key);
 162
 163         if (key == 0x44) {
 164                 *state = REMOTE_NO_KEY_PRESSED;
 165                 return 0;
 166         }
 167
 168         for (i = 0; i < ARRAY_SIZE(ir_codes_vp7045_table); i++)
 169                 if (rc5_data(&ir_codes_vp7045_table[i]) == key) {
 170                         *state = REMOTE_KEY_PRESSED;
 171                         *event = ir_codes_vp7045_table[i].keycode;
 172                         break;
 173                 }
 174         return 0;
 175 }
 176
 177 static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
 178 {
 179         int i = 0;
 180         u8 v,br[2];
 181         for (i=0; i < len; i++) {
 182                 v = offset + i;
 183                 vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
 184                 buf[i] = br[1];
 185         }
 186         deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
 187         debug_dump(buf,i,deb_info);
 188         return 0;
 189 }
 190
 191 static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
 192 {
 193         return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
 194 }
 195
 196 static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
 197 {
 198         u8 buf[255] = { 0 };
 199
 200         vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
 201         buf[10] = '\0';
 202         deb_info("firmware says: %s ",buf);
 203
 204         vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
 205         buf[10] = '\0';
 206         deb_info("%s ",buf);
 207
 208         vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
 209         buf[10] = '\0';
 210         deb_info("v%s\n",buf);
 211
 212 /*      Dump the EEPROM */
 213 /*      vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
 214
 215         adap->fe = vp7045_fe_attach(adap->dev);
 216
 217         return 0;
 218 }
 219
 220 static struct dvb_usb_device_properties vp7045_properties;
 221
 222 static int vp7045_usb_probe(struct usb_interface *intf,
 223                 const struct usb_device_id *id)
 224 {
 225         return dvb_usb_device_init(intf, &vp7045_properties,
 226                                    THIS_MODULE, NULL, adapter_nr);
 227 }
 228
 229 static struct usb_device_id vp7045_usb_table [] = {
 230             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
 231             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
 232             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
 233             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
 234             { 0 },
 235 };
 236 MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
 237
 238 static struct dvb_usb_device_properties vp7045_properties = {
 239         .usb_ctrl = CYPRESS_FX2,
 240         .firmware = "dvb-usb-vp7045-01.fw",
 241
 242         .num_adapters = 1,
 243         .adapter = {
 244                 {
 245                         .frontend_attach  = vp7045_frontend_attach,
 246                         /* parameter for the MPEG2-data transfer */
 247                         .stream = {
 248                                 .type = USB_BULK,
 249                                 .count = 7,
 250                                 .endpoint = 0x02,
 251                                 .u = {
 252                                         .bulk = {
 253                                                 .buffersize = 4096,
 254                                         }
 255                                 }
 256                         },
 257                 }
 258         },
 259         .power_ctrl       = vp7045_power_ctrl,
 260         .read_mac_address = vp7045_read_mac_addr,
 261
 262         .rc.legacy = {
 263                 .rc_interval      = 400,
 264                 .rc_key_map       = ir_codes_vp7045_table,
 265                 .rc_key_map_size  = ARRAY_SIZE(ir_codes_vp7045_table),
 266                 .rc_query         = vp7045_rc_query,
 267         },
 268
 269         .num_device_descs = 2,
 270         .devices = {
 271                 { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
 272                   .cold_ids = { &vp7045_usb_table[0], NULL },
 273                   .warm_ids = { &vp7045_usb_table[1], NULL },
 274                 },
 275                 { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
 276                   .cold_ids = { &vp7045_usb_table[2], NULL },
 277                   .warm_ids = { &vp7045_usb_table[3], NULL },
 278                 },
 279                 { NULL },
 280         }
 281 };
 282
 283 /* usb specific object needed to register this driver with the usb subsystem */
 284 static struct usb_driver vp7045_usb_driver = {
 285         .name           = "dvb_usb_vp7045",
 286         .probe          = vp7045_usb_probe,
 287         .disconnect = dvb_usb_device_exit,
 288         .id_table       = vp7045_usb_table,
 289 };
 290
 291 /* module stuff */
 292 static int __init vp7045_usb_module_init(void)
 293 {
 294         int result;
 295         if ((result = usb_register(&vp7045_usb_driver))) {
 296                 err("usb_register failed. (%d)",result);
 297                 return result;
 298         }
 299
 300         return 0;
 301 }
 302
 303 static void __exit vp7045_usb_module_exit(void)
 304 {
 305         /* deregister this driver from the USB subsystem */
 306         usb_deregister(&vp7045_usb_driver);
 307 }
 308
 309 module_init(vp7045_usb_module_init);
 310 module_exit(vp7045_usb_module_exit);
 311
 312 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 313 MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
 314 MODULE_VERSION("1.0");
 315 MODULE_LICENSE("GPL");