362 lines
8.8 KiB
C
362 lines
8.8 KiB
C
/* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
|
|
* receiver
|
|
*
|
|
* Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@posteo.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/media/dvb-drivers/dvb-usb.rst for more information
|
|
*/
|
|
#include "digitv.h"
|
|
|
|
#include "mt352.h"
|
|
#include "nxt6000.h"
|
|
|
|
/* debug */
|
|
static 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);
|
|
|
|
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
|
|
|
|
#define deb_rc(args...) dprintk(dvb_usb_digitv_debug,0x01,args)
|
|
|
|
static int digitv_ctrl_msg(struct dvb_usb_device *d,
|
|
u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
|
|
{
|
|
struct digitv_state *st = d->priv;
|
|
int ret, wo;
|
|
|
|
wo = (rbuf == NULL || rlen == 0); /* write-only */
|
|
|
|
if (wlen > 4 || rlen > 4)
|
|
return -EIO;
|
|
|
|
memset(st->sndbuf, 0, 7);
|
|
memset(st->rcvbuf, 0, 7);
|
|
|
|
st->sndbuf[0] = cmd;
|
|
st->sndbuf[1] = vv;
|
|
st->sndbuf[2] = wo ? wlen : rlen;
|
|
|
|
if (wo) {
|
|
memcpy(&st->sndbuf[3], wbuf, wlen);
|
|
ret = dvb_usb_generic_write(d, st->sndbuf, 7);
|
|
} else {
|
|
ret = dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10);
|
|
memcpy(rbuf, &st->rcvbuf[3], rlen);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* 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 (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++) {
|
|
/* 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;
|
|
}
|
|
|
|
mutex_unlock(&d->i2c_mutex);
|
|
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_device_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,
|
|
};
|
|
|
|
static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe)
|
|
{
|
|
struct dvb_usb_adapter *adap = fe->dvb->priv;
|
|
u8 b[5];
|
|
|
|
fe->ops.tuner_ops.calc_regs(fe, b, sizeof(b));
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
|
|
}
|
|
|
|
static struct nxt6000_config digitv_nxt6000_config = {
|
|
.clock_inversion = 1,
|
|
};
|
|
|
|
static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
|
|
{
|
|
struct digitv_state *st = adap->dev->priv;
|
|
|
|
adap->fe_adap[0].fe = dvb_attach(mt352_attach, &digitv_mt352_config,
|
|
&adap->dev->i2c_adap);
|
|
if ((adap->fe_adap[0].fe) != NULL) {
|
|
st->is_nxt6000 = 0;
|
|
return 0;
|
|
}
|
|
adap->fe_adap[0].fe = dvb_attach(nxt6000_attach,
|
|
&digitv_nxt6000_config,
|
|
&adap->dev->i2c_adap);
|
|
if ((adap->fe_adap[0].fe) != NULL) {
|
|
st->is_nxt6000 = 1;
|
|
return 0;
|
|
}
|
|
return -EIO;
|
|
}
|
|
|
|
static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
|
|
{
|
|
struct digitv_state *st = adap->dev->priv;
|
|
|
|
if (!dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, NULL, DVB_PLL_TDED4))
|
|
return -ENODEV;
|
|
|
|
if (st->is_nxt6000)
|
|
adap->fe_adap[0].fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct rc_map_table rc_map_digitv_table[] = {
|
|
{ 0x5f55, KEY_0 },
|
|
{ 0x6f55, KEY_1 },
|
|
{ 0x9f55, KEY_2 },
|
|
{ 0xaf55, KEY_3 },
|
|
{ 0x5f56, KEY_4 },
|
|
{ 0x6f56, KEY_5 },
|
|
{ 0x9f56, KEY_6 },
|
|
{ 0xaf56, KEY_7 },
|
|
{ 0x5f59, KEY_8 },
|
|
{ 0x6f59, KEY_9 },
|
|
{ 0x9f59, KEY_TV },
|
|
{ 0xaf59, KEY_AUX },
|
|
{ 0x5f5a, KEY_DVD },
|
|
{ 0x6f5a, KEY_POWER },
|
|
{ 0x9f5a, KEY_CAMERA }, /* labelled 'Picture' */
|
|
{ 0xaf5a, KEY_AUDIO },
|
|
{ 0x5f65, KEY_INFO },
|
|
{ 0x6f65, KEY_F13 }, /* 16:9 */
|
|
{ 0x9f65, KEY_F14 }, /* 14:9 */
|
|
{ 0xaf65, KEY_EPG },
|
|
{ 0x5f66, KEY_EXIT },
|
|
{ 0x6f66, KEY_MENU },
|
|
{ 0x9f66, KEY_UP },
|
|
{ 0xaf66, KEY_DOWN },
|
|
{ 0x5f69, KEY_LEFT },
|
|
{ 0x6f69, KEY_RIGHT },
|
|
{ 0x9f69, KEY_ENTER },
|
|
{ 0xaf69, KEY_CHANNELUP },
|
|
{ 0x5f6a, KEY_CHANNELDOWN },
|
|
{ 0x6f6a, KEY_VOLUMEUP },
|
|
{ 0x9f6a, KEY_VOLUMEDOWN },
|
|
{ 0xaf6a, KEY_RED },
|
|
{ 0x5f95, KEY_GREEN },
|
|
{ 0x6f95, KEY_YELLOW },
|
|
{ 0x9f95, KEY_BLUE },
|
|
{ 0xaf95, KEY_SUBTITLE },
|
|
{ 0x5f96, KEY_F15 }, /* AD */
|
|
{ 0x6f96, KEY_TEXT },
|
|
{ 0x9f96, KEY_MUTE },
|
|
{ 0xaf96, KEY_REWIND },
|
|
{ 0x5f99, KEY_STOP },
|
|
{ 0x6f99, KEY_PLAY },
|
|
{ 0x9f99, KEY_FASTFORWARD },
|
|
{ 0xaf99, KEY_F16 }, /* chapter */
|
|
{ 0x5f9a, KEY_PAUSE },
|
|
{ 0x6f9a, KEY_PLAY },
|
|
{ 0x9f9a, KEY_RECORD },
|
|
{ 0xaf9a, KEY_F17 }, /* picture in picture */
|
|
{ 0x5fa5, KEY_KPPLUS }, /* zoom in */
|
|
{ 0x6fa5, KEY_KPMINUS }, /* zoom out */
|
|
{ 0x9fa5, KEY_F18 }, /* capture */
|
|
{ 0xafa5, KEY_F19 }, /* web */
|
|
{ 0x5fa6, KEY_EMAIL },
|
|
{ 0x6fa6, KEY_PHONE },
|
|
{ 0x9fa6, KEY_PC },
|
|
};
|
|
|
|
static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
|
|
{
|
|
int i;
|
|
u8 key[5];
|
|
u8 b[4] = { 0 };
|
|
|
|
*event = 0;
|
|
*state = REMOTE_NO_KEY_PRESSED;
|
|
|
|
digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
|
|
|
|
/* Tell the device we've read the remote. Not sure how necessary
|
|
this is, but the Nebula SDK does it. */
|
|
digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
|
|
|
|
/* if something is inside the buffer, simulate key press */
|
|
if (key[1] != 0)
|
|
{
|
|
for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
|
|
if (rc5_custom(&d->props.rc.legacy.rc_map_table[i]) == key[1] &&
|
|
rc5_data(&d->props.rc.legacy.rc_map_table[i]) == key[2]) {
|
|
*event = d->props.rc.legacy.rc_map_table[i].keycode;
|
|
*state = REMOTE_KEY_PRESSED;
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (key[0] != 0)
|
|
deb_rc("key: %*ph\n", 5, key);
|
|
return 0;
|
|
}
|
|
|
|
/* DVB USB Driver stuff */
|
|
static struct dvb_usb_device_properties digitv_properties;
|
|
|
|
static int digitv_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct dvb_usb_device *d;
|
|
int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d,
|
|
adapter_nr);
|
|
if (ret == 0) {
|
|
u8 b[4] = { 0 };
|
|
|
|
if (d != NULL) { /* do that only when the firmware is loaded */
|
|
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_device_properties digitv_properties = {
|
|
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
|
|
|
|
.usb_ctrl = CYPRESS_FX2,
|
|
.firmware = "dvb-usb-digitv-02.fw",
|
|
|
|
.size_of_priv = sizeof(struct digitv_state),
|
|
|
|
.num_adapters = 1,
|
|
.adapter = {
|
|
{
|
|
.num_frontends = 1,
|
|
.fe = {{
|
|
.frontend_attach = digitv_frontend_attach,
|
|
.tuner_attach = digitv_tuner_attach,
|
|
|
|
/* parameter for the MPEG2-data transfer */
|
|
.stream = {
|
|
.type = USB_BULK,
|
|
.count = 7,
|
|
.endpoint = 0x02,
|
|
.u = {
|
|
.bulk = {
|
|
.buffersize = 4096,
|
|
}
|
|
}
|
|
},
|
|
}},
|
|
}
|
|
},
|
|
.identify_state = digitv_identify_state,
|
|
|
|
.rc.legacy = {
|
|
.rc_interval = 1000,
|
|
.rc_map_table = rc_map_digitv_table,
|
|
.rc_map_size = ARRAY_SIZE(rc_map_digitv_table),
|
|
.rc_query = digitv_rc_query,
|
|
},
|
|
|
|
.i2c_algo = &digitv_i2c_algo,
|
|
|
|
.generic_bulk_ctrl_endpoint = 0x01,
|
|
|
|
.num_device_descs = 1,
|
|
.devices = {
|
|
{ "Nebula Electronics uDigiTV DVB-T USB2.0)",
|
|
{ &digitv_table[0], NULL },
|
|
{ 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_usb_driver(digitv_driver);
|
|
|
|
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
|
|
MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
|
|
MODULE_VERSION("1.0-alpha");
|
|
MODULE_LICENSE("GPL");
|