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 *buf = d->priv;
  32
  33         buf[0] = cmd;
  34
  35         if (outlen > 19)
  36                 outlen = 19;
  37
  38         if (inlen > 11)
  39                 inlen = 11;
  40
  41         ret = mutex_lock_interruptible(&d->usb_mutex);
  42         if (ret)
  43                 return ret;
  44
  45         if (out != NULL && outlen > 0)
  46                 memcpy(&buf[1], out, outlen);
  47
  48         deb_xfer("out buffer: ");
  49         debug_dump(buf, outlen+1, deb_xfer);
  50
  51
  52         if (usb_control_msg(d->udev,
  53                         usb_sndctrlpipe(d->udev,0),
  54                         TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
  55                         buf, 20, 2000) != 20) {
  56                 err("USB control message 'out' went wrong.");
  57                 ret = -EIO;
  58                 goto unlock;
  59         }
  60
  61         msleep(msec);
  62
  63         if (usb_control_msg(d->udev,
  64                         usb_rcvctrlpipe(d->udev,0),
  65                         TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
  66                         buf, 12, 2000) != 12) {
  67                 err("USB control message 'in' went wrong.");
  68                 ret = -EIO;
  69                 goto unlock;
  70         }
  71
  72         deb_xfer("in buffer: ");
  73         debug_dump(buf, 12, deb_xfer);
  74
  75         if (in != NULL && inlen > 0)
  76                 memcpy(in, &buf[1], inlen);
  77
  78 unlock:
  79         mutex_unlock(&d->usb_mutex);
  80
  81         return ret;
  82 }
  83
  84 u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
  85 {
  86         u8 obuf[2] = { 0 },v;
  87         obuf[1] = reg;
  88
  89         vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
  90
  91         return v;
  92 }
  93
  94 static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
  95 {
  96         u8 v = onoff;
  97         return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
  98 }
  99
 100 /* remote control stuff */
 101
 102 /* The keymapping struct. Somehow this should be loaded to the driver, but
 103  * currently it is hardcoded. */
 104 static struct rc_map_table rc_map_vp7045_table[] = {
 105         { 0x0016, KEY_POWER },
 106         { 0x0010, KEY_MUTE },
 107         { 0x0003, KEY_1 },
 108         { 0x0001, KEY_2 },
 109         { 0x0006, KEY_3 },
 110         { 0x0009, KEY_4 },
 111         { 0x001d, KEY_5 },
 112         { 0x001f, KEY_6 },
 113         { 0x000d, KEY_7 },
 114         { 0x0019, KEY_8 },
 115         { 0x001b, KEY_9 },
 116         { 0x0015, KEY_0 },
 117         { 0x0005, KEY_CHANNELUP },
 118         { 0x0002, KEY_CHANNELDOWN },
 119         { 0x001e, KEY_VOLUMEUP },
 120         { 0x000a, KEY_VOLUMEDOWN },
 121         { 0x0011, KEY_RECORD },
 122         { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 123         { 0x0014, KEY_PLAY },
 124         { 0x001a, KEY_STOP },
 125         { 0x0040, KEY_REWIND },
 126         { 0x0012, KEY_FASTFORWARD },
 127         { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 128         { 0x004c, KEY_PAUSE },
 129         { 0x004d, KEY_SCREEN }, /* Full screen mode. */
 130         { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 131         { 0x000c, KEY_CANCEL }, /* Cancel */
 132         { 0x001c, KEY_EPG }, /* EPG */
 133         { 0x0000, KEY_TAB }, /* Tab */
 134         { 0x0048, KEY_INFO }, /* Preview */
 135         { 0x0004, KEY_LIST }, /* RecordList */
 136         { 0x000f, KEY_TEXT }, /* Teletext */
 137         { 0x0041, KEY_PREVIOUSSONG },
 138         { 0x0042, KEY_NEXTSONG },
 139         { 0x004b, KEY_UP },
 140         { 0x0051, KEY_DOWN },
 141         { 0x004e, KEY_LEFT },
 142         { 0x0052, KEY_RIGHT },
 143         { 0x004f, KEY_ENTER },
 144         { 0x0013, KEY_CANCEL },
 145         { 0x004a, KEY_CLEAR },
 146         { 0x0054, KEY_PRINT }, /* Capture */
 147         { 0x0043, KEY_SUBTITLE }, /* Subtitle/CC */
 148         { 0x0008, KEY_VIDEO }, /* A/V */
 149         { 0x0007, KEY_SLEEP }, /* Hibernate */
 150         { 0x0045, KEY_ZOOM }, /* Zoom+ */
 151         { 0x0018, KEY_RED},
 152         { 0x0053, KEY_GREEN},
 153         { 0x005e, KEY_YELLOW},
 154         { 0x005f, KEY_BLUE}
 155 };
 156
 157 static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 158 {
 159         u8 key;
 160         int i;
 161         vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
 162
 163         deb_rc("remote query key: %x %d\n",key,key);
 164
 165         if (key == 0x44) {
 166                 *state = REMOTE_NO_KEY_PRESSED;
 167                 return 0;
 168         }
 169
 170         for (i = 0; i < ARRAY_SIZE(rc_map_vp7045_table); i++)
 171                 if (rc5_data(&rc_map_vp7045_table[i]) == key) {
 172                         *state = REMOTE_KEY_PRESSED;
 173                         *event = rc_map_vp7045_table[i].keycode;
 174                         break;
 175                 }
 176         return 0;
 177 }
 178
 179 static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
 180 {
 181         int i = 0;
 182         u8 v,br[2];
 183         for (i=0; i < len; i++) {
 184                 v = offset + i;
 185                 vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
 186                 buf[i] = br[1];
 187         }
 188         deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
 189         debug_dump(buf,i,deb_info);
 190         return 0;
 191 }
 192
 193 static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
 194 {
 195         return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
 196 }
 197
 198 static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
 199 {
 200         u8 buf[255] = { 0 };
 201
 202         vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
 203         buf[10] = '\0';
 204         deb_info("firmware says: %s ",buf);
 205
 206         vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
 207         buf[10] = '\0';
 208         deb_info("%s ",buf);
 209
 210         vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
 211         buf[10] = '\0';
 212         deb_info("v%s\n",buf);
 213
 214 /*      Dump the EEPROM */
 215 /*      vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
 216
 217         adap->fe = vp7045_fe_attach(adap->dev);
 218
 219         return 0;
 220 }
 221
 222 static struct dvb_usb_device_properties vp7045_properties;
 223
 224 static int vp7045_usb_probe(struct usb_interface *intf,
 225                 const struct usb_device_id *id)
 226 {
 227         struct dvb_usb_device *d;
 228         int ret = dvb_usb_device_init(intf, &vp7045_properties,
 229                                    THIS_MODULE, &d, adapter_nr);
 230         if (ret)
 231                 return ret;
 232
 233         d->priv = kmalloc(20, GFP_KERNEL);
 234         if (!d->priv) {
 235                 dvb_usb_device_exit(intf);
 236                 return -ENOMEM;
 237         }
 238
 239         return ret;
 240 }
 241
 242 static void vp7045_usb_disconnect(struct usb_interface *intf)
 243 {
 244         struct dvb_usb_device *d = usb_get_intfdata(intf);
 245         kfree(d->priv);
 246         dvb_usb_device_exit(intf);
 247 }
 248
 249 static struct usb_device_id vp7045_usb_table [] = {
 250             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
 251             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
 252             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
 253             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
 254             { 0 },
 255 };
 256 MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
 257
 258 static struct dvb_usb_device_properties vp7045_properties = {
 259         .usb_ctrl = CYPRESS_FX2,
 260         .firmware = "dvb-usb-vp7045-01.fw",
 261         .size_of_priv = sizeof(u8 *),
 262
 263         .num_adapters = 1,
 264         .adapter = {
 265                 {
 266                         .frontend_attach  = vp7045_frontend_attach,
 267                         /* parameter for the MPEG2-data transfer */
 268                         .stream = {
 269                                 .type = USB_BULK,
 270                                 .count = 7,
 271                                 .endpoint = 0x02,
 272                                 .u = {
 273                                         .bulk = {
 274                                                 .buffersize = 4096,
 275                                         }
 276                                 }
 277                         },
 278                 }
 279         },
 280         .power_ctrl       = vp7045_power_ctrl,
 281         .read_mac_address = vp7045_read_mac_addr,
 282
 283         .rc.legacy = {
 284                 .rc_interval      = 400,
 285                 .rc_map_table       = rc_map_vp7045_table,
 286                 .rc_map_size  = ARRAY_SIZE(rc_map_vp7045_table),
 287                 .rc_query         = vp7045_rc_query,
 288         },
 289
 290         .num_device_descs = 2,
 291         .devices = {
 292                 { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
 293                   .cold_ids = { &vp7045_usb_table[0], NULL },
 294                   .warm_ids = { &vp7045_usb_table[1], NULL },
 295                 },
 296                 { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
 297                   .cold_ids = { &vp7045_usb_table[2], NULL },
 298                   .warm_ids = { &vp7045_usb_table[3], NULL },
 299                 },
 300                 { NULL },
 301         }
 302 };
 303
 304 /* usb specific object needed to register this driver with the usb subsystem */
 305 static struct usb_driver vp7045_usb_driver = {
 306         .name           = "dvb_usb_vp7045",
 307         .probe          = vp7045_usb_probe,
 308         .disconnect     = vp7045_usb_disconnect,
 309         .id_table       = vp7045_usb_table,
 310 };
 311
 312 /* module stuff */
 313 static int __init vp7045_usb_module_init(void)
 314 {
 315         int result;
 316         if ((result = usb_register(&vp7045_usb_driver))) {
 317                 err("usb_register failed. (%d)",result);
 318                 return result;
 319         }
 320
 321         return 0;
 322 }
 323
 324 static void __exit vp7045_usb_module_exit(void)
 325 {
 326         /* deregister this driver from the USB subsystem */
 327         usb_deregister(&vp7045_usb_driver);
 328 }
 329
 330 module_init(vp7045_usb_module_init);
 331 module_exit(vp7045_usb_module_exit);
 332
 333 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 334 MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
 335 MODULE_VERSION("1.0");
 336 MODULE_LICENSE("GPL");