/* 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 {	int pid_filter_count;	int pid_filter_can_bypass;	u8  pid_filter_state;};struct vp702x_device_state {	u8 power_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 = -1;		ret = usb_control_msg(d->udev,			usb_rcvctrlpipe(d->udev,0),			req,			USB_TYPE_VENDOR | USB_DIR_IN,			value,index,b,blen,			2000);	if (ret < 0) {		warn("usb in operation failed. (%d)", ret);		ret = -EIO;	} else		ret = 0;	deb_xfer("in: req. %02x, val: %04x, ind: %04x, 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){	int ret;	deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);	debug_dump(b,blen,deb_xfer);	if ((ret = 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. (%d)",ret);		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 = mutex_lock_interruptible(&d->usb_mutex)))		return ret;	ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen);	msleep(msec);	ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);	mutex_unlock(&d->usb_mutex);	return ret;}static 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_set_pld_mode(struct dvb_usb_adapter *adap, u8 bypass){	u8 buf[16] = { 0 };	return vp702x_usb_in_op(adap->dev, 0xe0, (bypass << 8) | 0x0e, 0, buf, 16);}static int vp702x_set_pld_state(struct dvb_usb_adapter *adap, u8 state){	u8 buf[16] = { 0 };	return vp702x_usb_in_op(adap->dev, 0xe0, (state << 8) | 0x0f, 0, buf, 16);}static int vp702x_set_pid(struct dvb_usb_adapter *adap, u16 pid, u8 id, int onoff){	struct vp702x_state *st = adap->priv;	u8 buf[16] = { 0 };	if (onoff)		st->pid_filter_state |=  (1 << id);	else {		st->pid_filter_state &= ~(1 << id);		pid = 0xffff;	}	id = 0x10 + id*2;	vp702x_set_pld_state(adap, st->pid_filter_state);	vp702x_usb_in_op(adap->dev, 0xe0, (((pid >> 8) & 0xff) << 8) | (id), 0, buf, 16);	vp702x_usb_in_op(adap->dev, 0xe0, (((pid     ) & 0xff) << 8) | (id+1), 0, buf, 16);	return 0;}static int vp702x_init_pid_filter(struct dvb_usb_adapter *adap){	struct vp702x_state *st = adap->priv;	int i;	u8 b[10] = { 0 };	st->pid_filter_count = 8;	st->pid_filter_can_bypass = 1;	st->pid_filter_state = 0x00;	vp702x_set_pld_mode(adap, 1); // bypass	for (i = 0; i < st->pid_filter_count; i++)		vp702x_set_pid(adap, 0xffff, i, 1);	vp702x_usb_in_op(adap->dev, 0xb5, 3, 0, b, 10);	vp702x_usb_in_op(adap->dev, 0xb5, 0, 0, b, 10);	vp702x_usb_in_op(adap->dev, 0xb5, 1, 0, b, 10);	//vp702x_set_pld_mode(d, 0); // filter	return 0;}static int vp702x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff){	return 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;}int vp702x_power_ctrl(struct dvb_usb_device *d, int onoff){	struct vp702x_device_state *st = d->priv;	if (st->power_state == 0 && onoff)		vp702x_usb_out_op(d, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);	else if (st->power_state == 1 && onoff == 0)		vp702x_usb_out_op(d, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);	st->power_state = onoff;	return 0;}static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6]){	u8 i;	for (i = 6; i < 12; i++)		vp702x_usb_in_op(d, READ_EEPROM_REQ, i, 1, &mac[i - 6], 1);	return 0;}static int vp702x_frontend_attach(struct dvb_usb_adapter *adap){	u8 buf[10] = { 0 };	vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);	if (vp702x_usb_inout_cmd(adap->dev, GET_SYSTEM_STRING, NULL, 0, buf, 10, 10))		return -EIO;	buf[9] = '\0';	info("system string: %s",&buf[1]);	vp702x_init_pid_filter(adap);	adap->fe = vp702x_fe_attach(adap->dev);	vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);	return 0;}static struct dvb_usb_device_properties vp702x_properties;static int vp702x_usb_probe(struct usb_interface *intf,		const struct usb_device_id *id){	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_VP7020_COLD) },//	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },	    { 0 },};MODULE_DEVICE_TABLE(usb, vp702x_usb_table);static struct dvb_usb_device_properties vp702x_properties = {	.usb_ctrl = CYPRESS_FX2,	.firmware            = "dvb-usb-vp702x-02.fw",	.no_reconnect        = 1,	.size_of_priv     = sizeof(struct vp702x_device_state),	.num_adapters = 1,	.adapter = {		{			.caps             = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,			.streaming_ctrl   = vp702x_streaming_ctrl,			.frontend_attach  = vp702x_frontend_attach,			/* parameter for the MPEG2-data transfer */			.stream = {				.type = USB_BULK,				.count = 10,				.endpoint = 0x02,				.u = {					.bulk = {						.buffersize = 4096,					}				}			},			.size_of_priv     = sizeof(struct vp702x_state),		}	},	.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,	.num_device_descs = 1,	.devices = {		{ .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",		  .cold_ids = { &vp702x_usb_table[0], NULL },		  .warm_ids = { NULL },		},/*		{ .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",		  .cold_ids = { &vp702x_usb_table[2], NULL },		  .warm_ids = { &vp702x_usb_table[3], NULL },		},*/		{ NULL },	}};/* usb specific object needed to register this driver with the usb subsystem */static struct usb_driver vp702x_usb_driver = {	.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");MODULE_LICENSE("GPL");