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/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S
* receiver.
*
* Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de>
* Metzler Brothers Systementwicklung GbR
*
* Copyright (C) 2005 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 "vp702x.h"
/* debug */
int dvb_usb_vp702x_debug;
module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
struct vp702x_state {
u8 pid_table[17]; /* [16] controls the pid_table state */
};
/* check for mutex FIXME */
int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
{
int ret = 0,try = 0;
while (ret >= 0 && ret != blen && try < 3) {
ret = usb_control_msg(d->udev,
usb_rcvctrlpipe(d->udev,0),
req,
USB_TYPE_VENDOR | USB_DIR_IN,
value,index,b,blen,
2000);
deb_info("reading number %d (ret: %d)\n",try,ret);
try++;
}
if (ret < 0 || ret != blen) {
warn("usb in operation failed.");
ret = -EIO;
} else
ret = 0;
deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
debug_dump(b,blen,deb_xfer);
return ret;
}
int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
{
deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
debug_dump(b,blen,deb_xfer);
if (usb_control_msg(d->udev,
usb_sndctrlpipe(d->udev,0),
req,
USB_TYPE_VENDOR | USB_DIR_OUT,
value,index,b,blen,
2000) != blen) {
warn("usb out operation failed.");
return -EIO;
} else
return 0;
}
int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
{
int ret;
if ((ret = down_interruptible(&d->usb_sem)))
return ret;
if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
goto unlock;
msleep(msec);
ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
unlock:
up(&d->usb_sem);
return ret;
}
int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o, int olen, u8 *i, int ilen, int msec)
{
u8 bout[olen+2];
u8 bin[ilen+1];
int ret = 0;
bout[0] = 0x00;
bout[1] = cmd;
memcpy(&bout[2],o,olen);
ret = vp702x_usb_inout_op(d, bout, olen+2, bin, ilen+1,msec);
if (ret == 0)
memcpy(i,&bin[1],ilen);
return ret;
}
static int vp702x_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
{
struct vp702x_state *st = d->priv;
u8 buf[9];
if (onoff) {
st->pid_table[16] |= 1 << index;
st->pid_table[index*2] = (pid >> 8) & 0xff;
st->pid_table[index*2+1] = pid & 0xff;
} else {
st->pid_table[16] &= ~(1 << index);
st->pid_table[index*2] = st->pid_table[index*2+1] = 0;
}
return vp702x_usb_inout_cmd(d,SET_PID_FILTER,st->pid_table,17,buf,9,10);
}
static int vp702x_power_ctrl(struct dvb_usb_device *d, int onoff)
{
vp702x_usb_in_op(d,RESET_TUNER,0,0,NULL,0);
vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
return vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
}
/* keys for the enclosed remote control */
static struct dvb_usb_rc_key vp702x_rc_keys[] = {
{ 0x00, 0x01, KEY_1 },
{ 0x00, 0x02, KEY_2 },
};
/* remote control stuff (does not work with my box) */
static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
u8 key[10];
int i;
/* remove the following return to enabled remote querying */
return 0;
vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
deb_rc("remote query key: %x %d\n",key[1],key[1]);
if (key[1] == 0x44) {
*state = REMOTE_NO_KEY_PRESSED;
return 0;
}
for (i = 0; i < ARRAY_SIZE(vp702x_rc_keys); i++)
if (vp702x_rc_keys[i].custom == key[1]) {
*state = REMOTE_KEY_PRESSED;
*event = vp702x_rc_keys[i].event;
break;
}
return 0;
}
static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
{
u8 macb[9];
if (vp702x_usb_inout_cmd(d, GET_MAC_ADDRESS, NULL, 0, macb, 9, 10))
return -EIO;
memcpy(mac,&macb[3],6);
return 0;
}
static int vp702x_frontend_attach(struct dvb_usb_device *d)
{
u8 buf[9] = { 0 };
if (vp702x_usb_inout_cmd(d, GET_SYSTEM_STRING, NULL, 0, buf, 9, 10))
return -EIO;
buf[8] = '\0';
info("system string: %s",&buf[1]);
d->fe = vp702x_fe_attach(d);
return 0;
}
static struct dvb_usb_properties vp702x_properties;
static int vp702x_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
usb_clear_halt(udev,usb_sndctrlpipe(udev,0));
usb_clear_halt(udev,usb_rcvctrlpipe(udev,0));
return dvb_usb_device_init(intf,&vp702x_properties,THIS_MODULE,NULL);
}
static struct usb_device_id vp702x_usb_table [] = {
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) },
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_WARM) },
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) },
{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },
{ 0 },
};
MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
static struct dvb_usb_properties vp702x_properties = {
.caps = DVB_USB_HAS_PID_FILTER | DVB_USB_NEED_PID_FILTERING,
.pid_filter_count = 8, /* !!! */
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-vp702x-01.fw",
.pid_filter = vp702x_pid_filter,
.power_ctrl = vp702x_power_ctrl,
.frontend_attach = vp702x_frontend_attach,
.read_mac_address = vp702x_read_mac_addr,
.rc_key_map = vp702x_rc_keys,
.rc_key_map_size = ARRAY_SIZE(vp702x_rc_keys),
.rc_interval = 400,
.rc_query = vp702x_rc_query,
.size_of_priv = sizeof(struct vp702x_state),
/* 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 = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
.cold_ids = { &vp702x_usb_table[0], NULL },
.warm_ids = { &vp702x_usb_table[1], NULL },
},
{ .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
.cold_ids = { &vp702x_usb_table[2], NULL },
.warm_ids = { &vp702x_usb_table[3], NULL },
},
{ 0 },
}
};
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver vp702x_usb_driver = {
.owner = THIS_MODULE,
.name = "dvb-usb-vp702x",
.probe = vp702x_usb_probe,
.disconnect = dvb_usb_device_exit,
.id_table = vp702x_usb_table,
};
/* module stuff */
static int __init vp702x_usb_module_init(void)
{
int result;
if ((result = usb_register(&vp702x_usb_driver))) {
err("usb_register failed. (%d)",result);
return result;
}
return 0;
}
static void __exit vp702x_usb_module_exit(void)
{
/* deregister this driver from the USB subsystem */
usb_deregister(&vp702x_usb_driver);
}
module_init(vp702x_usb_module_init);
module_exit(vp702x_usb_module_exit);
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
MODULE_VERSION("1.0-alpha");
MODULE_LICENSE("GPL");
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