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/* DVB USB compliant Linux driver for the
* - TwinhanDTV Alpha/MagicBoxII USB2.0 DVB-T receiver
* - DigitalNow TinyUSB2 DVB-t receiver
*
* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
*
* Thanks to Twinhan who kindly provided hardware and information.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, version 2.
*
* see Documentation/dvb/README.dvb-usb for more information
*/
#include "vp7045.h"
/* debug */
int dvb_usb_vp7045_debug;
module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
{
int ret = 0;
u8 inbuf[12] = { 0 }, outbuf[20] = { 0 };
outbuf[0] = cmd;
if (outlen > 19)
outlen = 19;
if (inlen > 11)
inlen = 11;
if (out != NULL && outlen > 0)
memcpy(&outbuf[1], out, outlen);
deb_xfer("out buffer: ");
debug_dump(outbuf,outlen+1,deb_xfer);
if ((ret = down_interruptible(&d->usb_sem)))
return ret;
if (usb_control_msg(d->udev,
usb_sndctrlpipe(d->udev,0),
TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
outbuf, 20, 2*HZ) != 20) {
err("USB control message 'out' went wrong.");
ret = -EIO;
goto unlock;
}
msleep(msec);
if (usb_control_msg(d->udev,
usb_rcvctrlpipe(d->udev,0),
TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
inbuf, 12, 2*HZ) != 12) {
err("USB control message 'in' went wrong.");
ret = -EIO;
goto unlock;
}
deb_xfer("in buffer: ");
debug_dump(inbuf,12,deb_xfer);
if (in != NULL && inlen > 0)
memcpy(in,&inbuf[1],inlen);
unlock:
up(&d->usb_sem);
return ret;
}
u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
{
u8 obuf[2] = { 0 },v;
obuf[1] = reg;
vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
return v;
}
static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
{
u8 v = onoff;
return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
}
/* remote control stuff */
/* The keymapping struct. Somehow this should be loaded to the driver, but
* currently it is hardcoded. */
static struct dvb_usb_rc_key vp7045_rc_keys[] = {
/* insert the keys like this. to make the raw keys visible, enable
* debug=0x04 when loading dvb-usb-vp7045. */
/* these keys are probably wrong. I don't have a working IR-receiver on my
* vp7045, so I can't test it. Patches are welcome. */
{ 0x00, 0x01, KEY_1 },
{ 0x00, 0x02, KEY_2 },
};
static int vp7045_rc_query(struct dvb_usb_device *d, u32 *key_buf, int *state)
{
u8 key;
int i;
vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
deb_rc("remote query key: %x %d\n",key,key);
if (key == 0x44) {
*state = REMOTE_NO_KEY_PRESSED;
return 0;
}
for (i = 0; i < sizeof(vp7045_rc_keys)/sizeof(struct dvb_usb_rc_key); i++)
if (vp7045_rc_keys[i].data == key) {
*state = REMOTE_KEY_PRESSED;
*key_buf = vp7045_rc_keys[i].event;
break;
}
return 0;
}
static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
{
int i = 0;
u8 v,br[2];
for (i=0; i < len; i++) {
v = offset + i;
vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
buf[i] = br[1];
}
deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
debug_dump(buf,i,deb_info);
return 0;
}
static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
{
return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
}
static int vp7045_frontend_attach(struct dvb_usb_device *d)
{
u8 buf[255] = { 0 };
vp7045_usb_op(d,VENDOR_STRING_READ,NULL,0,buf,20,0);
buf[10] = '\0';
deb_info("firmware says: %s ",buf);
vp7045_usb_op(d,PRODUCT_STRING_READ,NULL,0,buf,20,0);
buf[10] = '\0';
deb_info("%s ",buf);
vp7045_usb_op(d,FW_VERSION_READ,NULL,0,buf,20,0);
buf[10] = '\0';
deb_info("v%s\n",buf);
/* Dump the EEPROM */
/* vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
d->fe = vp7045_fe_attach(d);
return 0;
}
static struct dvb_usb_properties vp7045_properties;
static int vp7045_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
return dvb_usb_device_init(intf,&vp7045_properties,THIS_MODULE);
}
static struct usb_device_id vp7045_usb_table [] = {
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
{ 0 },
};
MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
static struct dvb_usb_properties vp7045_properties = {
.caps = 0,
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-vp7045-01.fw",
.power_ctrl = vp7045_power_ctrl,
.frontend_attach = vp7045_frontend_attach,
.read_mac_address = vp7045_read_mac_addr,
.rc_interval = 400,
.rc_key_map = vp7045_rc_keys,
.rc_key_map_size = ARRAY_SIZE(vp7045_rc_keys),
.rc_query = vp7045_rc_query,
/* parameter for the MPEG2-data transfer */
.urb = {
.type = DVB_USB_BULK,
.count = 7,
.endpoint = 0x02,
.u = {
.bulk = {
.buffersize = 4096,
}
}
},
.num_device_descs = 2,
.devices = {
{ .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
.cold_ids = { &vp7045_usb_table[0], NULL },
.warm_ids = { &vp7045_usb_table[1], NULL },
},
{ .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
.cold_ids = { &vp7045_usb_table[2], NULL },
.warm_ids = { &vp7045_usb_table[3], NULL },
},
{ 0 },
}
};
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver vp7045_usb_driver = {
.owner = THIS_MODULE,
.name = "dvb-usb-vp7045",
.probe = vp7045_usb_probe,
.disconnect = dvb_usb_device_exit,
.id_table = vp7045_usb_table,
};
/* module stuff */
static int __init vp7045_usb_module_init(void)
{
int result;
if ((result = usb_register(&vp7045_usb_driver))) {
err("usb_register failed. (%d)",result);
return result;
}
return 0;
}
static void __exit vp7045_usb_module_exit(void)
{
/* deregister this driver from the USB subsystem */
usb_deregister(&vp7045_usb_driver);
}
module_init(vp7045_usb_module_init);
module_exit(vp7045_usb_module_exit);
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
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