/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
* (e.g. Pinnacle 400e DVB-S USB2.0).
*
* The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
*
* TDA8263 + TDA10086
*
* I2C addresses:
* 0x08 - LNBP21PD - LNB power supply
* 0x0e - TDA10086 - Demodulator
* 0x50 - FX2 eeprom
* 0x60 - TDA8263 - Tuner
* 0x78 ???
*
* Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
* Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
* Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
*
* 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
*/
#define DVB_USB_LOG_PREFIX "ttusb2"
#include "dvb-usb.h"
#include "ttusb2.h"
#include "tda826x.h"
#include "tda10086.h"
#include "lnbp21.h"
/* debug */
static int dvb_usb_ttusb2_debug;
#define deb_info(args...) dprintk(dvb_usb_ttusb2_debug,0x01,args)
module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);
struct ttusb2_state {
u8 id;
};
static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
struct ttusb2_state *st = d->priv;
u8 s[wlen+4],r[64] = { 0 };
int ret = 0;
memset(s,0,wlen+4);
s[0] = 0xaa;
s[1] = ++st->id;
s[2] = cmd;
s[3] = wlen;
memcpy(&s[4],wbuf,wlen);
ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);
if (ret != 0 ||
r[0] != 0x55 ||
r[1] != s[1] ||
r[2] != cmd ||
(rlen > 0 && r[3] != rlen)) {
warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
return -EIO;
}
if (rlen > 0)
memcpy(rbuf, &r[4], rlen);
return 0;
}
static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
static u8 obuf[60], ibuf[60];
int i,read;
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
warn("more than 2 i2c messages at a time is not handled yet. TODO.");
for (i = 0; i < num; i++) {
read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
obuf[0] = (msg[i].addr << 1) | read;
obuf[1] = msg[i].len;
/* read request */
if (read)
obuf[2] = msg[i+1].len;
else
obuf[2] = 0;
memcpy(&obuf[3],msg[i].buf,msg[i].len);
if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
err("i2c transfer failed.");
break;
}
if (read) {
memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
i++;
}
}
mutex_unlock(&d->i2c_mutex);
return i;
}
static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
}
static struct i2c_algorithm ttusb2_i2c_algo = {
.master_xfer = ttusb2_i2c_xfer,
.functionality = ttusb2_i2c_func,
};
/* Callbacks for DVB USB */
static int ttusb2_identify_state (struct usb_device *udev, struct
dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
int *cold)
{
*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
return 0;
}
static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
{
u8 b = onoff;
ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
}
static struct tda10086_config tda10086_config = {
.demod_address = 0x0e,
.invert = 0,
};
static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
{
if (usb_set_interface(adap->dev->udev,0,3) < 0)
err("set interface to alts=3 failed");
if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
deb_info("TDA10086 attach failed\n");
return -ENODEV;
}
return 0;
}
static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap)
{
if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
deb_info("TDA8263 attach failed\n");
return -ENODEV;
}
if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
deb_info("LNBP21 attach failed\n");
return -ENODEV;
}
return 0;
}
/* DVB USB Driver stuff */
static struct dvb_usb_device_properties ttusb2_properties;
static int ttusb2_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
return dvb_usb_device_init(intf,&ttusb2_properties,THIS_MODULE,NULL);
}
static struct usb_device_id ttusb2_table [] = {
{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
{} /* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, ttusb2_table);
static struct dvb_usb_device_properties ttusb2_properties = {
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-pctv-400e-01.fw",
.size_of_priv = sizeof(struct ttusb2_state),
.num_adapters = 1,
.adapter = {
{
.streaming_ctrl = NULL, // ttusb2_streaming_ctrl,
.frontend_attach = ttusb2_frontend_attach,
.tuner_attach = ttusb2_tuner_attach,
/* parameter for the MPEG2-data transfer */
.stream = {
.type = USB_ISOC,
.count = 5,
.endpoint = 0x02,
.u = {
.isoc = {
.framesperurb = 4,
.framesize = 940,
.interval = 1,
}
}
}
}
},
.power_ctrl = ttusb2_power_ctrl,
.identify_state = ttusb2_identify_state,
.i2c_algo = &ttusb2_i2c_algo,
.generic_bulk_ctrl_endpoint = 0x01,
.num_device_descs = 2,
.devices = {
{ "Pinnacle 400e DVB-S USB2.0",
{ &ttusb2_table[0], NULL },
{ NULL },
},
{ "Pinnacle 450e DVB-S USB2.0",
{ &ttusb2_table[1], NULL },
{ NULL },
},
}
};
static struct usb_driver ttusb2_driver = {
.name = "dvb_usb_ttusb2",
.probe = ttusb2_probe,
.disconnect = dvb_usb_device_exit,
.id_table = ttusb2_table,
};
/* module stuff */
static int __init ttusb2_module_init(void)
{
int result;
if ((result = usb_register(&ttusb2_driver))) {
err("usb_register failed. Error number %d",result);
return result;
}
return 0;
}
static void __exit ttusb2_module_exit(void)
{
/* deregister this driver from the USB subsystem */
usb_deregister(&ttusb2_driver);
}
module_init (ttusb2_module_init);
module_exit (ttusb2_module_exit);
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
