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// SPDX-License-Identifier: GPL-2.0-only
/* 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@posteo.de)
*
* Thanks to Twinhan who kindly provided hardware and information.
*
* see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
*/
#include "vp7045.h"
/* debug */
static 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);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
#define deb_info(args...) dprintk(dvb_usb_vp7045_debug,0x01,args)
#define deb_xfer(args...) dprintk(dvb_usb_vp7045_debug,0x02,args)
#define deb_rc(args...) dprintk(dvb_usb_vp7045_debug,0x04,args)
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 *buf = d->priv;
buf[0] = cmd;
if (outlen > 19)
outlen = 19;
if (inlen > 11)
inlen = 11;
ret = mutex_lock_interruptible(&d->usb_mutex);
if (ret)
return ret;
if (out != NULL && outlen > 0)
memcpy(&buf[1], out, outlen);
deb_xfer("out buffer: ");
debug_dump(buf, outlen+1, deb_xfer);
if (usb_control_msg(d->udev,
usb_sndctrlpipe(d->udev,0),
TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
buf, 20, 2000) != 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,
buf, 12, 2000) != 12) {
err("USB control message 'in' went wrong.");
ret = -EIO;
goto unlock;
}
deb_xfer("in buffer: ");
debug_dump(buf, 12, deb_xfer);
if (in != NULL && inlen > 0)
memcpy(in, &buf[1], inlen);
unlock:
mutex_unlock(&d->usb_mutex);
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);
}
static int vp7045_rc_query(struct dvb_usb_device *d)
{
int ret;
u8 key;
ret = vp7045_usb_op(d, RC_VAL_READ, NULL, 0, &key, 1, 20);
if (ret)
return ret;
deb_rc("remote query key: %x\n", key);
if (key != 0x44) {
/*
* The 8 bit address isn't available, but since the remote uses
* address 0 we'll use that. nec repeats are ignored too, even
* though the remote sends them.
*/
rc_keydown(d->rc_dev, RC_PROTO_NEC, RC_SCANCODE_NEC(0, key), 0);
}
return 0;
}
static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
{
int i, ret;
u8 v, br[2];
for (i=0; i < len; i++) {
v = offset + i;
ret = vp7045_usb_op(d, GET_EE_VALUE, &v, 1, br, 2, 5);
if (ret)
return ret;
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_adapter *adap)
{
u8 buf[255] = { 0 };
vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
buf[10] = '\0';
deb_info("firmware says: %s ",buf);
vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
buf[10] = '\0';
deb_info("%s ",buf);
vp7045_usb_op(adap->dev,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); */
adap->fe_adap[0].fe = vp7045_fe_attach(adap->dev);
return 0;
}
static struct dvb_usb_device_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, NULL, adapter_nr);
}
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_device_properties vp7045_properties = {
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-vp7045-01.fw",
.size_of_priv = 20,
.num_adapters = 1,
.adapter = {
{
.num_frontends = 1,
.fe = {{
.frontend_attach = vp7045_frontend_attach,
/* parameter for the MPEG2-data transfer */
.stream = {
.type = USB_BULK,
.count = 7,
.endpoint = 0x02,
.u = {
.bulk = {
.buffersize = 4096,
}
}
},
}},
}
},
.power_ctrl = vp7045_power_ctrl,
.read_mac_address = vp7045_read_mac_addr,
.rc.core = {
.rc_interval = 400,
.rc_codes = RC_MAP_TWINHAN_VP1027_DVBS,
.module_name = KBUILD_MODNAME,
.rc_query = vp7045_rc_query,
.allowed_protos = RC_PROTO_BIT_NEC,
.scancode_mask = 0xff,
},
.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 },
},
{ NULL },
}
};
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver vp7045_usb_driver = {
.name = "dvb_usb_vp7045",
.probe = vp7045_usb_probe,
.disconnect = dvb_usb_device_exit,
.id_table = vp7045_usb_table,
};
module_usb_driver(vp7045_usb_driver);
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.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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