4302c15ea2
- digitv_ctrl_msg() if (wo) test is reversed. fixed. - usb timeout is in Hz, not in jiffies. - NULL replaced by 0 to be coherent. - removed uneeded headers. Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
266 lines
6.5 KiB
C
266 lines
6.5 KiB
C
/* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
|
|
* receiver
|
|
*
|
|
* Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
|
|
*
|
|
* partly based on the SDK published by Nebula Electronics
|
|
*
|
|
* 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 "digitv.h"
|
|
|
|
#include "mt352.h"
|
|
#include "nxt6000.h"
|
|
|
|
/* debug */
|
|
int dvb_usb_digitv_debug;
|
|
module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
|
|
MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
|
|
|
|
static int digitv_ctrl_msg(struct dvb_usb_device *d,
|
|
u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
|
|
{
|
|
int wo = (rbuf == NULL || rlen == 0); /* write-only */
|
|
u8 sndbuf[7],rcvbuf[7];
|
|
memset(sndbuf,0,7); memset(rcvbuf,0,7);
|
|
|
|
sndbuf[0] = cmd;
|
|
sndbuf[1] = vv;
|
|
sndbuf[2] = wo ? wlen : rlen;
|
|
|
|
if (wo) {
|
|
memcpy(&sndbuf[3],wbuf,wlen);
|
|
dvb_usb_generic_write(d,sndbuf,7);
|
|
} else {
|
|
dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10);
|
|
memcpy(rbuf,&rcvbuf[3],rlen);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* I2C */
|
|
static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
|
|
{
|
|
struct dvb_usb_device *d = i2c_get_adapdata(adap);
|
|
int i;
|
|
|
|
if (down_interruptible(&d->i2c_sem) < 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++) {
|
|
/* write/read request */
|
|
if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
|
|
if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
|
|
msg[i+1].buf,msg[i+1].len) < 0)
|
|
break;
|
|
i++;
|
|
} else
|
|
if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
|
|
&msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
|
|
break;
|
|
}
|
|
|
|
up(&d->i2c_sem);
|
|
return i;
|
|
}
|
|
|
|
static u32 digitv_i2c_func(struct i2c_adapter *adapter)
|
|
{
|
|
return I2C_FUNC_I2C;
|
|
}
|
|
|
|
static struct i2c_algorithm digitv_i2c_algo = {
|
|
.master_xfer = digitv_i2c_xfer,
|
|
.functionality = digitv_i2c_func,
|
|
};
|
|
|
|
/* Callbacks for DVB USB */
|
|
static int digitv_identify_state (struct usb_device *udev, struct
|
|
dvb_usb_properties *props, struct dvb_usb_device_description **desc,
|
|
int *cold)
|
|
{
|
|
*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
|
|
return 0;
|
|
}
|
|
|
|
static int digitv_mt352_demod_init(struct dvb_frontend *fe)
|
|
{
|
|
static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 };
|
|
static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50,
|
|
0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00,
|
|
0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f,
|
|
0x75, 0x32 };
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
|
|
mt352_write(fe, &reset_buf[i], 2);
|
|
|
|
msleep(1);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
|
|
mt352_write(fe, &init_buf[i], 2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct mt352_config digitv_mt352_config = {
|
|
.demod_init = digitv_mt352_demod_init,
|
|
.pll_set = dvb_usb_pll_set,
|
|
};
|
|
|
|
static int digitv_nxt6000_pll_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
|
|
{
|
|
struct dvb_usb_device *d = fe->dvb->priv;
|
|
u8 b[5];
|
|
dvb_usb_pll_set(fe,fep,b);
|
|
return digitv_ctrl_msg(d,USB_WRITE_TUNER,0,&b[1],4,NULL,0);
|
|
}
|
|
|
|
static struct nxt6000_config digitv_nxt6000_config = {
|
|
.clock_inversion = 1,
|
|
.pll_set = digitv_nxt6000_pll_set,
|
|
};
|
|
|
|
static int digitv_frontend_attach(struct dvb_usb_device *d)
|
|
{
|
|
if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) != NULL ||
|
|
(d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) != NULL)
|
|
return 0;
|
|
return -EIO;
|
|
}
|
|
|
|
static int digitv_tuner_attach(struct dvb_usb_device *d)
|
|
{
|
|
d->pll_addr = 0x60;
|
|
d->pll_desc = &dvb_pll_tded4;
|
|
return 0;
|
|
}
|
|
|
|
static struct dvb_usb_rc_key digitv_rc_keys[] = {
|
|
{ 0x00, 0x16, KEY_POWER }, /* dummy key */
|
|
};
|
|
|
|
/* TODO is it really the NEC protocol ? */
|
|
static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
|
|
{
|
|
u8 key[5];
|
|
|
|
digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
|
|
/* TODO state, maybe it is VV ? */
|
|
if (key[1] != 0)
|
|
key[0] = 0x01; /* if something is inside the buffer, simulate key press */
|
|
|
|
/* call the universal NEC remote processor, to find out the key's state and event */
|
|
dvb_usb_nec_rc_key_to_event(d,key,event,state);
|
|
if (key[0] != 0)
|
|
deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
|
|
return 0;
|
|
}
|
|
|
|
/* DVB USB Driver stuff */
|
|
static struct dvb_usb_properties digitv_properties;
|
|
|
|
static int digitv_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct dvb_usb_device *d;
|
|
int ret;
|
|
if ((ret = dvb_usb_device_init(intf,&digitv_properties,THIS_MODULE,&d)) == 0) {
|
|
u8 b[4] = { 0 };
|
|
|
|
b[0] = 1;
|
|
digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
|
|
|
|
b[0] = 0;
|
|
digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static struct usb_device_id digitv_table [] = {
|
|
{ USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
|
|
{ } /* Terminating entry */
|
|
};
|
|
MODULE_DEVICE_TABLE (usb, digitv_table);
|
|
|
|
static struct dvb_usb_properties digitv_properties = {
|
|
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
|
|
|
|
.usb_ctrl = CYPRESS_FX2,
|
|
.firmware = "dvb-usb-digitv-01.fw",
|
|
|
|
.size_of_priv = 0,
|
|
|
|
.frontend_attach = digitv_frontend_attach,
|
|
.tuner_attach = digitv_tuner_attach,
|
|
|
|
.rc_interval = 1000,
|
|
.rc_key_map = digitv_rc_keys,
|
|
.rc_key_map_size = ARRAY_SIZE(digitv_rc_keys),
|
|
.rc_query = digitv_rc_query,
|
|
|
|
.identify_state = digitv_identify_state,
|
|
|
|
.i2c_algo = &digitv_i2c_algo,
|
|
|
|
.generic_bulk_ctrl_endpoint = 0x01,
|
|
/* parameter for the MPEG2-data transfer */
|
|
.urb = {
|
|
.type = DVB_USB_BULK,
|
|
.count = 7,
|
|
.endpoint = 0x02,
|
|
.u = {
|
|
.bulk = {
|
|
.buffersize = 4096,
|
|
}
|
|
}
|
|
},
|
|
|
|
.num_device_descs = 1,
|
|
.devices = {
|
|
{ "Nebula Electronics uDigiTV DVB-T USB2.0)",
|
|
{ &digitv_table[0], NULL },
|
|
{ NULL },
|
|
},
|
|
}
|
|
};
|
|
|
|
static struct usb_driver digitv_driver = {
|
|
.name = "dvb_usb_digitv",
|
|
.probe = digitv_probe,
|
|
.disconnect = dvb_usb_device_exit,
|
|
.id_table = digitv_table,
|
|
};
|
|
|
|
/* module stuff */
|
|
static int __init digitv_module_init(void)
|
|
{
|
|
int result;
|
|
if ((result = usb_register(&digitv_driver))) {
|
|
err("usb_register failed. Error number %d",result);
|
|
return result;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit digitv_module_exit(void)
|
|
{
|
|
/* deregister this driver from the USB subsystem */
|
|
usb_deregister(&digitv_driver);
|
|
}
|
|
|
|
module_init (digitv_module_init);
|
|
module_exit (digitv_module_exit);
|
|
|
|
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
|
|
MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
|
|
MODULE_VERSION("1.0-alpha");
|
|
MODULE_LICENSE("GPL");
|