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 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 int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
  23 {
  24         int ret = 0;
  25         u8 inbuf[12] = { 0 }, outbuf[20] = { 0 };
  26
  27         outbuf[0] = cmd;
  28
  29         if (outlen > 19)
  30                 outlen = 19;
  31
  32         if (inlen > 11)
  33                 inlen = 11;
  34
  35         if (out != NULL && outlen > 0)
  36                 memcpy(&outbuf[1], out, outlen);
  37
  38         deb_xfer("out buffer: ");
  39         debug_dump(outbuf,outlen+1,deb_xfer);
  40
  41         if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
  42                 return ret;
  43
  44         if (usb_control_msg(d->udev,
  45                         usb_sndctrlpipe(d->udev,0),
  46                         TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
  47                         outbuf, 20, 2000) != 20) {
  48                 err("USB control message 'out' went wrong.");
  49                 ret = -EIO;
  50                 goto unlock;
  51         }
  52
  53         msleep(msec);
  54
  55         if (usb_control_msg(d->udev,
  56                         usb_rcvctrlpipe(d->udev,0),
  57                         TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
  58                         inbuf, 12, 2000) != 12) {
  59                 err("USB control message 'in' went wrong.");
  60                 ret = -EIO;
  61                 goto unlock;
  62         }
  63
  64         deb_xfer("in buffer: ");
  65         debug_dump(inbuf,12,deb_xfer);
  66
  67         if (in != NULL && inlen > 0)
  68                 memcpy(in,&inbuf[1],inlen);
  69
  70 unlock:
  71         mutex_unlock(&d->usb_mutex);
  72
  73         return ret;
  74 }
  75
  76 u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
  77 {
  78         u8 obuf[2] = { 0 },v;
  79         obuf[1] = reg;
  80
  81         vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
  82
  83         return v;
  84 }
  85
  86 static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
  87 {
  88         u8 v = onoff;
  89         return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
  90 }
  91
  92 /* remote control stuff */
  93
  94 /* The keymapping struct. Somehow this should be loaded to the driver, but
  95  * currently it is hardcoded. */
  96 static struct dvb_usb_rc_key vp7045_rc_keys[] = {
  97         { 0x00, 0x16, KEY_POWER },
  98         { 0x00, 0x10, KEY_MUTE },
  99         { 0x00, 0x03, KEY_1 },
 100         { 0x00, 0x01, KEY_2 },
 101         { 0x00, 0x06, KEY_3 },
 102         { 0x00, 0x09, KEY_4 },
 103         { 0x00, 0x1d, KEY_5 },
 104         { 0x00, 0x1f, KEY_6 },
 105         { 0x00, 0x0d, KEY_7 },
 106         { 0x00, 0x19, KEY_8 },
 107         { 0x00, 0x1b, KEY_9 },
 108         { 0x00, 0x15, KEY_0 },
 109         { 0x00, 0x05, KEY_CHANNELUP },
 110         { 0x00, 0x02, KEY_CHANNELDOWN },
 111         { 0x00, 0x1e, KEY_VOLUMEUP },
 112         { 0x00, 0x0a, KEY_VOLUMEDOWN },
 113         { 0x00, 0x11, KEY_RECORD },
 114         { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 115         { 0x00, 0x14, KEY_PLAY },
 116         { 0x00, 0x1a, KEY_STOP },
 117         { 0x00, 0x40, KEY_REWIND },
 118         { 0x00, 0x12, KEY_FASTFORWARD },
 119         { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 120         { 0x00, 0x4c, KEY_PAUSE },
 121         { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
 122         { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 123         { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
 124         { 0x00, 0x1c, KEY_EPG }, /* EPG */
 125         { 0x00, 0x00, KEY_TAB }, /* Tab */
 126         { 0x00, 0x48, KEY_INFO }, /* Preview */
 127         { 0x00, 0x04, KEY_LIST }, /* RecordList */
 128         { 0x00, 0x0f, KEY_TEXT }, /* Teletext */
 129         { 0x00, 0x41, KEY_PREVIOUSSONG },
 130         { 0x00, 0x42, KEY_NEXTSONG },
 131         { 0x00, 0x4b, KEY_UP },
 132         { 0x00, 0x51, KEY_DOWN },
 133         { 0x00, 0x4e, KEY_LEFT },
 134         { 0x00, 0x52, KEY_RIGHT },
 135         { 0x00, 0x4f, KEY_ENTER },
 136         { 0x00, 0x13, KEY_CANCEL },
 137         { 0x00, 0x4a, KEY_CLEAR },
 138         { 0x00, 0x54, KEY_PRINT }, /* Capture */
 139         { 0x00, 0x43, KEY_SUBTITLE }, /* Subtitle/CC */
 140         { 0x00, 0x08, KEY_VIDEO }, /* A/V */
 141         { 0x00, 0x07, KEY_SLEEP }, /* Hibernate */
 142         { 0x00, 0x45, KEY_ZOOM }, /* Zoom+ */
 143         { 0x00, 0x18, KEY_RED},
 144         { 0x00, 0x53, KEY_GREEN},
 145         { 0x00, 0x5e, KEY_YELLOW},
 146         { 0x00, 0x5f, KEY_BLUE}
 147 };
 148
 149 static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 150 {
 151         u8 key;
 152         int i;
 153         vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
 154
 155         deb_rc("remote query key: %x %d\n",key,key);
 156
 157         if (key == 0x44) {
 158                 *state = REMOTE_NO_KEY_PRESSED;
 159                 return 0;
 160         }
 161
 162         for (i = 0; i < sizeof(vp7045_rc_keys)/sizeof(struct dvb_usb_rc_key); i++)
 163                 if (vp7045_rc_keys[i].data == key) {
 164                         *state = REMOTE_KEY_PRESSED;
 165                         *event = vp7045_rc_keys[i].event;
 166                         break;
 167                 }
 168         return 0;
 169 }
 170
 171 static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
 172 {
 173         int i = 0;
 174         u8 v,br[2];
 175         for (i=0; i < len; i++) {
 176                 v = offset + i;
 177                 vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
 178                 buf[i] = br[1];
 179         }
 180         deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
 181         debug_dump(buf,i,deb_info);
 182         return 0;
 183 }
 184
 185 static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
 186 {
 187         return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
 188 }
 189
 190 static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
 191 {
 192         u8 buf[255] = { 0 };
 193
 194         vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
 195         buf[10] = '\0';
 196         deb_info("firmware says: %s ",buf);
 197
 198         vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
 199         buf[10] = '\0';
 200         deb_info("%s ",buf);
 201
 202         vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
 203         buf[10] = '\0';
 204         deb_info("v%s\n",buf);
 205
 206 /*      Dump the EEPROM */
 207 /*      vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
 208
 209         adap->fe = vp7045_fe_attach(adap->dev);
 210
 211         return 0;
 212 }
 213
 214 static struct dvb_usb_device_properties vp7045_properties;
 215
 216 static int vp7045_usb_probe(struct usb_interface *intf,
 217                 const struct usb_device_id *id)
 218 {
 219         return dvb_usb_device_init(intf,&vp7045_properties,THIS_MODULE,NULL);
 220 }
 221
 222 static struct usb_device_id vp7045_usb_table [] = {
 223             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
 224             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
 225             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
 226             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
 227             { 0 },
 228 };
 229 MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
 230
 231 static struct dvb_usb_device_properties vp7045_properties = {
 232         .usb_ctrl = CYPRESS_FX2,
 233         .firmware = "dvb-usb-vp7045-01.fw",
 234
 235         .num_adapters = 1,
 236         .adapter = {
 237                 {
 238                         .frontend_attach  = vp7045_frontend_attach,
 239                         /* parameter for the MPEG2-data transfer */
 240                         .stream = {
 241                                 .type = USB_BULK,
 242                                 .count = 7,
 243                                 .endpoint = 0x02,
 244                                 .u = {
 245                                         .bulk = {
 246                                                 .buffersize = 4096,
 247                                         }
 248                                 }
 249                         },
 250                 }
 251         },
 252         .power_ctrl       = vp7045_power_ctrl,
 253         .read_mac_address = vp7045_read_mac_addr,
 254
 255         .rc_interval      = 400,
 256         .rc_key_map       = vp7045_rc_keys,
 257         .rc_key_map_size  = ARRAY_SIZE(vp7045_rc_keys),
 258         .rc_query         = vp7045_rc_query,
 259
 260         .num_device_descs = 2,
 261         .devices = {
 262                 { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
 263                   .cold_ids = { &vp7045_usb_table[0], NULL },
 264                   .warm_ids = { &vp7045_usb_table[1], NULL },
 265                 },
 266                 { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
 267                   .cold_ids = { &vp7045_usb_table[2], NULL },
 268                   .warm_ids = { &vp7045_usb_table[3], NULL },
 269                 },
 270                 { NULL },
 271         }
 272 };
 273
 274 /* usb specific object needed to register this driver with the usb subsystem */
 275 static struct usb_driver vp7045_usb_driver = {
 276         .name           = "dvb_usb_vp7045",
 277         .probe          = vp7045_usb_probe,
 278         .disconnect = dvb_usb_device_exit,
 279         .id_table       = vp7045_usb_table,
 280 };
 281
 282 /* module stuff */
 283 static int __init vp7045_usb_module_init(void)
 284 {
 285         int result;
 286         if ((result = usb_register(&vp7045_usb_driver))) {
 287                 err("usb_register failed. (%d)",result);
 288                 return result;
 289         }
 290
 291         return 0;
 292 }
 293
 294 static void __exit vp7045_usb_module_exit(void)
 295 {
 296         /* deregister this driver from the USB subsystem */
 297         usb_deregister(&vp7045_usb_driver);
 298 }
 299
 300 module_init(vp7045_usb_module_init);
 301 module_exit(vp7045_usb_module_exit);
 302
 303 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 304 MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
 305 MODULE_VERSION("1.0");
 306 MODULE_LICENSE("GPL");