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 #define deb_info(args...) dprintk(dvb_usb_vp7045_debug,0x01,args)
  22 #define deb_xfer(args...) dprintk(dvb_usb_vp7045_debug,0x02,args)
  23 #define deb_rc(args...)   dprintk(dvb_usb_vp7045_debug,0x04,args)
  24
  25 int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
  26 {
  27         int ret = 0;
  28         u8 inbuf[12] = { 0 }, outbuf[20] = { 0 };
  29
  30         outbuf[0] = cmd;
  31
  32         if (outlen > 19)
  33                 outlen = 19;
  34
  35         if (inlen > 11)
  36                 inlen = 11;
  37
  38         if (out != NULL && outlen > 0)
  39                 memcpy(&outbuf[1], out, outlen);
  40
  41         deb_xfer("out buffer: ");
  42         debug_dump(outbuf,outlen+1,deb_xfer);
  43
  44         if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
  45                 return ret;
  46
  47         if (usb_control_msg(d->udev,
  48                         usb_sndctrlpipe(d->udev,0),
  49                         TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
  50                         outbuf, 20, 2000) != 20) {
  51                 err("USB control message 'out' went wrong.");
  52                 ret = -EIO;
  53                 goto unlock;
  54         }
  55
  56         msleep(msec);
  57
  58         if (usb_control_msg(d->udev,
  59                         usb_rcvctrlpipe(d->udev,0),
  60                         TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
  61                         inbuf, 12, 2000) != 12) {
  62                 err("USB control message 'in' went wrong.");
  63                 ret = -EIO;
  64                 goto unlock;
  65         }
  66
  67         deb_xfer("in buffer: ");
  68         debug_dump(inbuf,12,deb_xfer);
  69
  70         if (in != NULL && inlen > 0)
  71                 memcpy(in,&inbuf[1],inlen);
  72
  73 unlock:
  74         mutex_unlock(&d->usb_mutex);
  75
  76         return ret;
  77 }
  78
  79 u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
  80 {
  81         u8 obuf[2] = { 0 },v;
  82         obuf[1] = reg;
  83
  84         vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
  85
  86         return v;
  87 }
  88
  89 static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
  90 {
  91         u8 v = onoff;
  92         return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
  93 }
  94
  95 /* remote control stuff */
  96
  97 /* The keymapping struct. Somehow this should be loaded to the driver, but
  98  * currently it is hardcoded. */
  99 static struct dvb_usb_rc_key vp7045_rc_keys[] = {
 100         { 0x00, 0x16, KEY_POWER },
 101         { 0x00, 0x10, KEY_MUTE },
 102         { 0x00, 0x03, KEY_1 },
 103         { 0x00, 0x01, KEY_2 },
 104         { 0x00, 0x06, KEY_3 },
 105         { 0x00, 0x09, KEY_4 },
 106         { 0x00, 0x1d, KEY_5 },
 107         { 0x00, 0x1f, KEY_6 },
 108         { 0x00, 0x0d, KEY_7 },
 109         { 0x00, 0x19, KEY_8 },
 110         { 0x00, 0x1b, KEY_9 },
 111         { 0x00, 0x15, KEY_0 },
 112         { 0x00, 0x05, KEY_CHANNELUP },
 113         { 0x00, 0x02, KEY_CHANNELDOWN },
 114         { 0x00, 0x1e, KEY_VOLUMEUP },
 115         { 0x00, 0x0a, KEY_VOLUMEDOWN },
 116         { 0x00, 0x11, KEY_RECORD },
 117         { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 118         { 0x00, 0x14, KEY_PLAY },
 119         { 0x00, 0x1a, KEY_STOP },
 120         { 0x00, 0x40, KEY_REWIND },
 121         { 0x00, 0x12, KEY_FASTFORWARD },
 122         { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 123         { 0x00, 0x4c, KEY_PAUSE },
 124         { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
 125         { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 126         { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
 127         { 0x00, 0x1c, KEY_EPG }, /* EPG */
 128         { 0x00, 0x00, KEY_TAB }, /* Tab */
 129         { 0x00, 0x48, KEY_INFO }, /* Preview */
 130         { 0x00, 0x04, KEY_LIST }, /* RecordList */
 131         { 0x00, 0x0f, KEY_TEXT }, /* Teletext */
 132         { 0x00, 0x41, KEY_PREVIOUSSONG },
 133         { 0x00, 0x42, KEY_NEXTSONG },
 134         { 0x00, 0x4b, KEY_UP },
 135         { 0x00, 0x51, KEY_DOWN },
 136         { 0x00, 0x4e, KEY_LEFT },
 137         { 0x00, 0x52, KEY_RIGHT },
 138         { 0x00, 0x4f, KEY_ENTER },
 139         { 0x00, 0x13, KEY_CANCEL },
 140         { 0x00, 0x4a, KEY_CLEAR },
 141         { 0x00, 0x54, KEY_PRINT }, /* Capture */
 142         { 0x00, 0x43, KEY_SUBTITLE }, /* Subtitle/CC */
 143         { 0x00, 0x08, KEY_VIDEO }, /* A/V */
 144         { 0x00, 0x07, KEY_SLEEP }, /* Hibernate */
 145         { 0x00, 0x45, KEY_ZOOM }, /* Zoom+ */
 146         { 0x00, 0x18, KEY_RED},
 147         { 0x00, 0x53, KEY_GREEN},
 148         { 0x00, 0x5e, KEY_YELLOW},
 149         { 0x00, 0x5f, KEY_BLUE}
 150 };
 151
 152 static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 153 {
 154         u8 key;
 155         int i;
 156         vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
 157
 158         deb_rc("remote query key: %x %d\n",key,key);
 159
 160         if (key == 0x44) {
 161                 *state = REMOTE_NO_KEY_PRESSED;
 162                 return 0;
 163         }
 164
 165         for (i = 0; i < ARRAY_SIZE(vp7045_rc_keys); i++)
 166                 if (vp7045_rc_keys[i].data == key) {
 167                         *state = REMOTE_KEY_PRESSED;
 168                         *event = vp7045_rc_keys[i].event;
 169                         break;
 170                 }
 171         return 0;
 172 }
 173
 174 static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
 175 {
 176         int i = 0;
 177         u8 v,br[2];
 178         for (i=0; i < len; i++) {
 179                 v = offset + i;
 180                 vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
 181                 buf[i] = br[1];
 182         }
 183         deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
 184         debug_dump(buf,i,deb_info);
 185         return 0;
 186 }
 187
 188 static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
 189 {
 190         return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
 191 }
 192
 193 static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
 194 {
 195         u8 buf[255] = { 0 };
 196
 197         vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
 198         buf[10] = '\0';
 199         deb_info("firmware says: %s ",buf);
 200
 201         vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
 202         buf[10] = '\0';
 203         deb_info("%s ",buf);
 204
 205         vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
 206         buf[10] = '\0';
 207         deb_info("v%s\n",buf);
 208
 209 /*      Dump the EEPROM */
 210 /*      vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
 211
 212         adap->fe = vp7045_fe_attach(adap->dev);
 213
 214         return 0;
 215 }
 216
 217 static struct dvb_usb_device_properties vp7045_properties;
 218
 219 static int vp7045_usb_probe(struct usb_interface *intf,
 220                 const struct usb_device_id *id)
 221 {
 222         return dvb_usb_device_init(intf,&vp7045_properties,THIS_MODULE,NULL);
 223 }
 224
 225 static struct usb_device_id vp7045_usb_table [] = {
 226             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
 227             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
 228             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
 229             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
 230             { 0 },
 231 };
 232 MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
 233
 234 static struct dvb_usb_device_properties vp7045_properties = {
 235         .usb_ctrl = CYPRESS_FX2,
 236         .firmware = "dvb-usb-vp7045-01.fw",
 237
 238         .num_adapters = 1,
 239         .adapter = {
 240                 {
 241                         .frontend_attach  = vp7045_frontend_attach,
 242                         /* parameter for the MPEG2-data transfer */
 243                         .stream = {
 244                                 .type = USB_BULK,
 245                                 .count = 7,
 246                                 .endpoint = 0x02,
 247                                 .u = {
 248                                         .bulk = {
 249                                                 .buffersize = 4096,
 250                                         }
 251                                 }
 252                         },
 253                 }
 254         },
 255         .power_ctrl       = vp7045_power_ctrl,
 256         .read_mac_address = vp7045_read_mac_addr,
 257
 258         .rc_interval      = 400,
 259         .rc_key_map       = vp7045_rc_keys,
 260         .rc_key_map_size  = ARRAY_SIZE(vp7045_rc_keys),
 261         .rc_query         = vp7045_rc_query,
 262
 263         .num_device_descs = 2,
 264         .devices = {
 265                 { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
 266                   .cold_ids = { &vp7045_usb_table[0], NULL },
 267                   .warm_ids = { &vp7045_usb_table[1], NULL },
 268                 },
 269                 { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
 270                   .cold_ids = { &vp7045_usb_table[2], NULL },
 271                   .warm_ids = { &vp7045_usb_table[3], NULL },
 272                 },
 273                 { NULL },
 274         }
 275 };
 276
 277 /* usb specific object needed to register this driver with the usb subsystem */
 278 static struct usb_driver vp7045_usb_driver = {
 279         .name           = "dvb_usb_vp7045",
 280         .probe          = vp7045_usb_probe,
 281         .disconnect = dvb_usb_device_exit,
 282         .id_table       = vp7045_usb_table,
 283 };
 284
 285 /* module stuff */
 286 static int __init vp7045_usb_module_init(void)
 287 {
 288         int result;
 289         if ((result = usb_register(&vp7045_usb_driver))) {
 290                 err("usb_register failed. (%d)",result);
 291                 return result;
 292         }
 293
 294         return 0;
 295 }
 296
 297 static void __exit vp7045_usb_module_exit(void)
 298 {
 299         /* deregister this driver from the USB subsystem */
 300         usb_deregister(&vp7045_usb_driver);
 301 }
 302
 303 module_init(vp7045_usb_module_init);
 304 module_exit(vp7045_usb_module_exit);
 305
 306 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 307 MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
 308 MODULE_VERSION("1.0");
 309 MODULE_LICENSE("GPL");