5e7361a143
This patch contains the following cleanups: - make the needlessly global vp702x_usb_out_op() static - #if 0 the unused vp702x_power_ctrl() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
335 lines
8.0 KiB
C
335 lines
8.0 KiB
C
/* 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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int pid_filter_count;
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int pid_filter_can_bypass;
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u8 pid_filter_state;
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};
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struct vp702x_device_state {
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u8 power_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 = -1;
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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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if (ret < 0) {
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warn("usb in operation failed. (%d)", ret);
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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. %02x, val: %04x, ind: %04x, 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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int ret;
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deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ",req,value,index);
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debug_dump(b,blen,deb_xfer);
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if ((ret = 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. (%d)",ret);
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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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ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen);
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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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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_set_pld_mode(struct dvb_usb_adapter *adap, u8 bypass)
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{
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u8 buf[16] = { 0 };
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return vp702x_usb_in_op(adap->dev, 0xe0, (bypass << 8) | 0x0e, 0, buf, 16);
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}
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static int vp702x_set_pld_state(struct dvb_usb_adapter *adap, u8 state)
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{
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u8 buf[16] = { 0 };
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return vp702x_usb_in_op(adap->dev, 0xe0, (state << 8) | 0x0f, 0, buf, 16);
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}
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static int vp702x_set_pid(struct dvb_usb_adapter *adap, u16 pid, u8 id, int onoff)
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{
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struct vp702x_state *st = adap->priv;
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u8 buf[16] = { 0 };
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if (onoff)
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st->pid_filter_state |= (1 << id);
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else {
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st->pid_filter_state &= ~(1 << id);
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pid = 0xffff;
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}
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id = 0x10 + id*2;
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vp702x_set_pld_state(adap, st->pid_filter_state);
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vp702x_usb_in_op(adap->dev, 0xe0, (((pid >> 8) & 0xff) << 8) | (id), 0, buf, 16);
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vp702x_usb_in_op(adap->dev, 0xe0, (((pid ) & 0xff) << 8) | (id+1), 0, buf, 16);
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return 0;
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}
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static int vp702x_init_pid_filter(struct dvb_usb_adapter *adap)
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{
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struct vp702x_state *st = adap->priv;
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int i;
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u8 b[10] = { 0 };
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st->pid_filter_count = 8;
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st->pid_filter_can_bypass = 1;
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st->pid_filter_state = 0x00;
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vp702x_set_pld_mode(adap, 1); // bypass
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for (i = 0; i < st->pid_filter_count; i++)
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vp702x_set_pid(adap, 0xffff, i, 1);
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vp702x_usb_in_op(adap->dev, 0xb5, 3, 0, b, 10);
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vp702x_usb_in_op(adap->dev, 0xb5, 0, 0, b, 10);
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vp702x_usb_in_op(adap->dev, 0xb5, 1, 0, b, 10);
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//vp702x_set_pld_mode(d, 0); // filter
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return 0;
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}
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static int vp702x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
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{
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return 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 i;
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for (i = 6; i < 12; i++)
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vp702x_usb_in_op(d, READ_EEPROM_REQ, i, 1, &mac[i - 6], 1);
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return 0;
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}
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static int vp702x_frontend_attach(struct dvb_usb_adapter *adap)
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{
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u8 buf[10] = { 0 };
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vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 0, 7, NULL, 0);
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if (vp702x_usb_inout_cmd(adap->dev, GET_SYSTEM_STRING, NULL, 0, buf, 10, 10))
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return -EIO;
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buf[9] = '\0';
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info("system string: %s",&buf[1]);
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vp702x_init_pid_filter(adap);
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adap->fe = vp702x_fe_attach(adap->dev);
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vp702x_usb_out_op(adap->dev, SET_TUNER_POWER_REQ, 1, 7, NULL, 0);
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return 0;
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}
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static struct dvb_usb_device_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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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_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_device_properties vp702x_properties = {
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.usb_ctrl = CYPRESS_FX2,
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.firmware = "dvb-usb-vp702x-02.fw",
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.no_reconnect = 1,
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.size_of_priv = sizeof(struct vp702x_device_state),
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.num_adapters = 1,
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.adapter = {
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{
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.caps = DVB_USB_ADAP_RECEIVES_204_BYTE_TS,
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.streaming_ctrl = vp702x_streaming_ctrl,
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.frontend_attach = vp702x_frontend_attach,
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/* parameter for the MPEG2-data transfer */
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.stream = {
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.type = USB_BULK,
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.count = 10,
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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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.size_of_priv = sizeof(struct vp702x_state),
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}
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},
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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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.num_device_descs = 1,
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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 = { 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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*/ { NULL },
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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");
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MODULE_LICENSE("GPL");
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