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 = down_interruptible(&d->usb_sem)))
  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, 2*HZ) != 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, 2*HZ) != 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         up(&d->usb_sem);
  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 };
 130
 131 static int vp7045_rc_query(struct dvb_usb_device *d, u32 *key_buf, int *state)
 132 {
 133         u8 key;
 134         int i;
 135         vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
 136
 137         deb_rc("remote query key: %x %d\n",key,key);
 138
 139         if (key == 0x44) {
 140                 *state = REMOTE_NO_KEY_PRESSED;
 141                 return 0;
 142         }
 143
 144         for (i = 0; i < sizeof(vp7045_rc_keys)/sizeof(struct dvb_usb_rc_key); i++)
 145                 if (vp7045_rc_keys[i].data == key) {
 146                         *state = REMOTE_KEY_PRESSED;
 147                         *key_buf = vp7045_rc_keys[i].event;
 148                         break;
 149                 }
 150         return 0;
 151 }
 152
 153 static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
 154 {
 155         int i = 0;
 156         u8 v,br[2];
 157         for (i=0; i < len; i++) {
 158                 v = offset + i;
 159                 vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
 160                 buf[i] = br[1];
 161         }
 162         deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
 163         debug_dump(buf,i,deb_info);
 164         return 0;
 165 }
 166
 167
 168 static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
 169 {
 170         return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
 171 }
 172
 173 static int vp7045_frontend_attach(struct dvb_usb_device *d)
 174 {
 175         u8 buf[255] = { 0 };
 176
 177         vp7045_usb_op(d,VENDOR_STRING_READ,NULL,0,buf,20,0);
 178         buf[10] = '\0';
 179         deb_info("firmware says: %s ",buf);
 180
 181         vp7045_usb_op(d,PRODUCT_STRING_READ,NULL,0,buf,20,0);
 182         buf[10] = '\0';
 183         deb_info("%s ",buf);
 184
 185         vp7045_usb_op(d,FW_VERSION_READ,NULL,0,buf,20,0);
 186         buf[10] = '\0';
 187         deb_info("v%s\n",buf);
 188
 189 /*      Dump the EEPROM */
 190 /*      vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
 191
 192         d->fe = vp7045_fe_attach(d);
 193
 194         return 0;
 195 }
 196
 197 static struct dvb_usb_properties vp7045_properties;
 198
 199 static int vp7045_usb_probe(struct usb_interface *intf,
 200                 const struct usb_device_id *id)
 201 {
 202         return dvb_usb_device_init(intf,&vp7045_properties,THIS_MODULE);
 203 }
 204
 205 static struct usb_device_id vp7045_usb_table [] = {
 206             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
 207             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
 208             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
 209             { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
 210             { 0 },
 211 };
 212 MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
 213
 214 static struct dvb_usb_properties vp7045_properties = {
 215         .caps = 0,
 216
 217         .usb_ctrl = CYPRESS_FX2,
 218         .firmware = "dvb-usb-vp7045-01.fw",
 219
 220         .power_ctrl       = vp7045_power_ctrl,
 221         .frontend_attach  = vp7045_frontend_attach,
 222         .read_mac_address = vp7045_read_mac_addr,
 223
 224         .rc_interval      = 400,
 225         .rc_key_map       = vp7045_rc_keys,
 226         .rc_key_map_size  = ARRAY_SIZE(vp7045_rc_keys),
 227         .rc_query         = vp7045_rc_query,
 228
 229         /* parameter for the MPEG2-data transfer */
 230         .urb = {
 231                 .type = DVB_USB_BULK,
 232                 .count = 7,
 233                 .endpoint = 0x02,
 234                 .u = {
 235                         .bulk = {
 236                                 .buffersize = 4096,
 237                         }
 238                 }
 239         },
 240
 241         .num_device_descs = 2,
 242         .devices = {
 243                 { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
 244                   .cold_ids = { &vp7045_usb_table[0], NULL },
 245                   .warm_ids = { &vp7045_usb_table[1], NULL },
 246                 },
 247                 { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
 248                   .cold_ids = { &vp7045_usb_table[2], NULL },
 249                   .warm_ids = { &vp7045_usb_table[3], NULL },
 250                 },
 251                 { 0 },
 252         }
 253 };
 254
 255 /* usb specific object needed to register this driver with the usb subsystem */
 256 static struct usb_driver vp7045_usb_driver = {
 257         .owner          = THIS_MODULE,
 258         .name           = "dvb-usb-vp7045",
 259         .probe          = vp7045_usb_probe,
 260         .disconnect = dvb_usb_device_exit,
 261         .id_table       = vp7045_usb_table,
 262 };
 263
 264 /* module stuff */
 265 static int __init vp7045_usb_module_init(void)
 266 {
 267         int result;
 268         if ((result = usb_register(&vp7045_usb_driver))) {
 269                 err("usb_register failed. (%d)",result);
 270                 return result;
 271         }
 272
 273         return 0;
 274 }
 275
 276 static void __exit vp7045_usb_module_exit(void)
 277 {
 278         /* deregister this driver from the USB subsystem */
 279         usb_deregister(&vp7045_usb_driver);
 280 }
 281
 282 module_init(vp7045_usb_module_init);
 283 module_exit(vp7045_usb_module_exit);
 284
 285 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 286 MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
 287 MODULE_VERSION("1.0");
 288 MODULE_LICENSE("GPL");