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291 lines
7.2 KiB
291 lines
7.2 KiB
/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S
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* receiver.
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*
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* Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de>
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* Metzler Brothers Systementwicklung GbR
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*
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* Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de>
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*
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* Thanks to Twinhan who kindly provided hardware and information.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 2.
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*
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* see Documentation/dvb/README.dvb-usb for more information
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*/
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#include "vp702x.h"
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/* debug */
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int dvb_usb_vp702x_debug;
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module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
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struct vp702x_state {
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u8 pid_table[17]; /* [16] controls the pid_table state */
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};
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/* check for mutex FIXME */
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int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
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{
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int ret = 0,try = 0;
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while (ret >= 0 && ret != blen && try < 3) {
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ret = usb_control_msg(d->udev,
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usb_rcvctrlpipe(d->udev,0),
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req,
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USB_TYPE_VENDOR | USB_DIR_IN,
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value,index,b,blen,
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2000);
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deb_info("reading number %d (ret: %d)\n",try,ret);
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try++;
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}
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if (ret < 0 || ret != blen) {
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warn("usb in operation failed.");
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ret = -EIO;
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} else
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ret = 0;
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deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
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debug_dump(b,blen,deb_xfer);
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return ret;
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}
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static int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
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u16 index, u8 *b, int blen)
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{
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deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
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debug_dump(b,blen,deb_xfer);
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if (usb_control_msg(d->udev,
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usb_sndctrlpipe(d->udev,0),
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req,
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USB_TYPE_VENDOR | USB_DIR_OUT,
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value,index,b,blen,
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2000) != blen) {
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warn("usb out operation failed.");
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return -EIO;
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} else
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return 0;
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}
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int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
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{
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int ret;
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if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
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return ret;
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if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
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goto unlock;
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msleep(msec);
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ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
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unlock:
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mutex_unlock(&d->usb_mutex);
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return ret;
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}
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static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o,
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int olen, u8 *i, int ilen, int msec)
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{
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u8 bout[olen+2];
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u8 bin[ilen+1];
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int ret = 0;
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bout[0] = 0x00;
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bout[1] = cmd;
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memcpy(&bout[2],o,olen);
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ret = vp702x_usb_inout_op(d, bout, olen+2, bin, ilen+1,msec);
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if (ret == 0)
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memcpy(i,&bin[1],ilen);
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return ret;
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}
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static int vp702x_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
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{
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struct vp702x_state *st = d->priv;
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u8 buf[9];
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if (onoff) {
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st->pid_table[16] |= 1 << index;
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st->pid_table[index*2] = (pid >> 8) & 0xff;
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st->pid_table[index*2+1] = pid & 0xff;
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} else {
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st->pid_table[16] &= ~(1 << index);
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st->pid_table[index*2] = st->pid_table[index*2+1] = 0;
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}
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return vp702x_usb_inout_cmd(d,SET_PID_FILTER,st->pid_table,17,buf,9,10);
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}
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static int vp702x_power_ctrl(struct dvb_usb_device *d, int onoff)
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{
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vp702x_usb_in_op(d,RESET_TUNER,0,0,NULL,0);
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vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
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return vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
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}
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/* keys for the enclosed remote control */
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static struct dvb_usb_rc_key vp702x_rc_keys[] = {
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{ 0x00, 0x01, KEY_1 },
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{ 0x00, 0x02, KEY_2 },
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};
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/* remote control stuff (does not work with my box) */
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static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
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{
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u8 key[10];
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int i;
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/* remove the following return to enabled remote querying */
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return 0;
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vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
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deb_rc("remote query key: %x %d\n",key[1],key[1]);
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if (key[1] == 0x44) {
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*state = REMOTE_NO_KEY_PRESSED;
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return 0;
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}
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for (i = 0; i < ARRAY_SIZE(vp702x_rc_keys); i++)
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if (vp702x_rc_keys[i].custom == key[1]) {
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*state = REMOTE_KEY_PRESSED;
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*event = vp702x_rc_keys[i].event;
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break;
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}
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return 0;
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}
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static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
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{
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u8 macb[9];
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if (vp702x_usb_inout_cmd(d, GET_MAC_ADDRESS, NULL, 0, macb, 9, 10))
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return -EIO;
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memcpy(mac,&macb[3],6);
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return 0;
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}
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static int vp702x_frontend_attach(struct dvb_usb_device *d)
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{
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u8 buf[9] = { 0 };
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if (vp702x_usb_inout_cmd(d, GET_SYSTEM_STRING, NULL, 0, buf, 9, 10))
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return -EIO;
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buf[8] = '\0';
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info("system string: %s",&buf[1]);
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d->fe = vp702x_fe_attach(d);
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return 0;
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}
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static struct dvb_usb_properties vp702x_properties;
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static int vp702x_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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struct usb_device *udev = interface_to_usbdev(intf);
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usb_clear_halt(udev,usb_sndctrlpipe(udev,0));
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usb_clear_halt(udev,usb_rcvctrlpipe(udev,0));
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return dvb_usb_device_init(intf,&vp702x_properties,THIS_MODULE,NULL);
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}
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static struct usb_device_id vp702x_usb_table [] = {
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_WARM) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },
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{ 0 },
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};
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MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
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static struct dvb_usb_properties vp702x_properties = {
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.caps = DVB_USB_HAS_PID_FILTER | DVB_USB_NEED_PID_FILTERING,
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.pid_filter_count = 8, /* !!! */
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.usb_ctrl = CYPRESS_FX2,
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.firmware = "dvb-usb-vp702x-01.fw",
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.pid_filter = vp702x_pid_filter,
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.power_ctrl = vp702x_power_ctrl,
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.frontend_attach = vp702x_frontend_attach,
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.read_mac_address = vp702x_read_mac_addr,
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.rc_key_map = vp702x_rc_keys,
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.rc_key_map_size = ARRAY_SIZE(vp702x_rc_keys),
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.rc_interval = 400,
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.rc_query = vp702x_rc_query,
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.size_of_priv = sizeof(struct vp702x_state),
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/* parameter for the MPEG2-data transfer */
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.urb = {
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.type = DVB_USB_BULK,
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.count = 7,
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.endpoint = 0x02,
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.u = {
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.bulk = {
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.buffersize = 4096,
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}
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}
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},
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.num_device_descs = 2,
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.devices = {
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{ .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
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.cold_ids = { &vp702x_usb_table[0], NULL },
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.warm_ids = { &vp702x_usb_table[1], NULL },
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},
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{ .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
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.cold_ids = { &vp702x_usb_table[2], NULL },
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.warm_ids = { &vp702x_usb_table[3], NULL },
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},
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{ 0 },
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}
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};
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/* usb specific object needed to register this driver with the usb subsystem */
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static struct usb_driver vp702x_usb_driver = {
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.name = "dvb-usb-vp702x",
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.probe = vp702x_usb_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = vp702x_usb_table,
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};
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/* module stuff */
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static int __init vp702x_usb_module_init(void)
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{
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int result;
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if ((result = usb_register(&vp702x_usb_driver))) {
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err("usb_register failed. (%d)",result);
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return result;
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}
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return 0;
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}
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static void __exit vp702x_usb_module_exit(void)
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{
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/* deregister this driver from the USB subsystem */
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usb_deregister(&vp702x_usb_driver);
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}
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module_init(vp702x_usb_module_init);
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module_exit(vp702x_usb_module_exit);
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MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
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MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
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MODULE_VERSION("1.0-alpha");
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MODULE_LICENSE("GPL");
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