/* $Id$
 * $URL$
 *
 * new style driver for BWCT USB LCD displays
 *
 * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux 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; either version 2, or (at your option)
 * any later version.
 *
 * LCD4Linux is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/* 
 *
 * exported fuctions:
 *
 * struct DRIVER drv_BWCT
 *
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <termios.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>

#include <usb.h>

#include "debug.h"
#include "cfg.h"
#include "qprintf.h"
#include "plugin.h"
#include "widget.h"
#include "widget_text.h"
#include "widget_icon.h"
#include "widget_bar.h"
#include "drv.h"
#include "drv_generic_text.h"


#define LCD_USB_VENDOR 0x03da
#define LCD_USB_DEVICE 0x0002

#define LCD_RESET    1
#define LCD_CMD      2
#define LCD_DATA     3
#define LCD_CONTRAST 4


static char Name[] = "BWCT";

static usb_dev_handle *lcd;
static int interface;

extern int got_signal;


/****************************************/
/***  hardware dependant functions    ***/
/****************************************/

static int drv_BW_open(void)
{
    struct usb_bus *busses, *bus;
    struct usb_device *dev;

    lcd = NULL;

    info("%s: scanning USB for BWCT LCD...", Name);

    usb_set_debug(0);

    usb_init();
    usb_find_busses();
    usb_find_devices();
    busses = usb_get_busses();

    for (bus = busses; bus; bus = bus->next) {
	for (dev = bus->devices; dev; dev = dev->next) {
	    int c;
	    if (dev->descriptor.idVendor != LCD_USB_VENDOR)
		continue;
	    /* Loop through all of the configurations */
	    for (c = 0; c < dev->descriptor.bNumConfigurations; c++) {
		int i;
		for (i = 0; i < dev->config[c].bNumInterfaces; i++) {
		    int a;
		    for (a = 0; a < dev->config[c].interface[i].num_altsetting; a++) {
			if ((dev->descriptor.idProduct == LCD_USB_DEVICE) ||
			    ((dev->config[c].interface[i].altsetting[a].bInterfaceClass == 0xff) &&
			     (dev->config[c].interface[i].altsetting[a].bInterfaceSubClass == 0x01))) {
			    info("%s: found BWCT USB LCD on bus %s device %s", Name, bus->dirname, dev->filename);
			    interface = i;
			    lcd = usb_open(dev);
			    if (usb_claim_interface(lcd, interface) < 0) {
				error("%s: usb_claim_interface() failed!", Name);
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span># 2012-07-23 Antti Palosaari &lt;crope@iki.fi&gt;
# generated from http://www.digita.fi/kuluttajat/tv/nakyvyysalueet/kanavanumerot_ja_taajuudet
T 522000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 602000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
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tting down.", Name);

    drv_generic_text_quit();

    /* clear display */
    drv_BW_clear();

    /* say goodbye... */
    if (!quiet) {
	drv_generic_text_greet("goodbye!", NULL);
    }

    debug("closing USB connection");
    drv_BW_close();

    return (0);
}


DRIVER drv_BWCT = {
    .name = Name,
    .list = drv_BW_list,
    .init = drv_BW_init,
    .quit = drv_BW_quit,
};