/* $Id: drv_MatrixOrbitalGX.c 975 2009-02-27 18:50:20Z abbas $
 * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_MatrixOrbitalGX.c $
 *
 * driver for Matrix Orbital GX Series Graphic(240x64) displays from matrixorbital.com
 *
 * Copyright (C) 2009 Abbas Kosan <abbaskosan@gmail.com>
 * Copyright (C) 2005, 2006, 2007 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_MatrixOrbitalGX
 *
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.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 "udelay.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_graphic.h"

#define MatrixOrbitalGX_VENDOR  	0x1b3d
#define MatrixOrbitalGX_DEVICE_1  	0x000a
#define MatrixOrbitalGX_DEVICE_2  	0x000b
#define MatrixOrbitalGX_DEVICE_3  	0x000c

/********Matrix Orbital GX Series*********/
#define INTERFACE_ 			0
#define BULK_OUT_ENDPOINT 		0x05
#define BULK_IN_ENDPOINT 		0x82

#define SCREEN_H			64
#define SCREEN_W			240
#define SCREEN_SIZE			(SCREEN_H * SCREEN_W)
/*****************************************/

#if 1
#define DEBUG(x) debug("%s(): %s", __FUNCTION__, x);
#else
#define DEBUG(x)
#endif


static char Name[] = "MatrixOrbitalGX";
static unsigned char *MOGX_framebuffer;

/* used to display white text on blue background or inverse */
static unsigned char invert = 0x00;
static unsigned char backlight_RGB = 0;

static usb_dev_handle *lcd_dev;

/*
int mygetch(void)
{
    struct termios oldt, newt;
    int ch;
    tcgetattr( STDIN_FILENO, &oldt );
    newt = oldt;
    newt.c_lflag &= ~( ICANON | ECHO );
    tcsetattr( STDIN_FILENO, TCSANOW, &newt );
    ch = getchar();
    tcsetattr( STDIN_FILENO, TCSANOW, &oldt );
    return ch;
}
*/

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

static int drv_MOGX_open(void)
{
    struct usb_bus *busses, *bus;
    struct usb_device *dev;
    char driver[1024];
    char product[1024];
    char manufacturer[1024];
    char serialnumber[1024];
    int ret;

    lcd_dev = NULL;

    info("%s: scanning for Matrix Orbital GX Series 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) {
	    if ((dev->descriptor.idVendor == MatrixOrbitalGX_VENDOR) &&
		((dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_1) ||
		 (dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_2) ||
		 (dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_3))) {

		/* At the moment, I have information for only this LCD */
		if (dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_2)
		    backlight_RGB = 0;

		info("%s: found Matrix Orbital GX Series LCD on bus %s device %s", Name, bus->dirname, dev->filename);

		lcd_dev = usb_open(dev);

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# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 770000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 730000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 482000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 530000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
</pre></div>
</code></pre></td></tr></table>
</div> <!-- class=content -->
<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit v1.2.3</a> (<a href='https://git-scm.com/'>git 2.25.1</a>) at 2024-12-18 08:49:41 +0000</div>
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 s, cfg_source());
	return -1;
    }

    s = cfg_get(section, "Font", "6x8");
    if (s == NULL || *s == '\0') {
	error("%s: no '%s.Font' entry from %s", Name, section, cfg_source());
	return -1;
    }

    XRES = -1;
    YRES = -1;
    if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) {
	error("%s: bad %s.Font '%s' from %s", Name, section, s, cfg_source());
	return -1;
    }

    /* Fixme: provider other fonts someday... */
    if (XRES != 6 && YRES != 8) {
	error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source());
	return -1;
    }

    if (cfg_number(section, "Invert", 0, 0, 1, &value1) > 0)
	if (value1 > 0) {
	    info("%s: Display is inverted", Name);
	    invert = 0x01;
	}

    /* open communication with the display */
    if (drv_MOGX_open() < 0) {
	return -1;
    }

    /* Init framebuffer buffer */
    MOGX_framebuffer = (unsigned char *) malloc(SCREEN_SIZE * sizeof(unsigned char));
    if (!MOGX_framebuffer) {
	error("%s: framebuffer could not be allocated: malloc() failed", Name);
	return -1;
    }

    memset(MOGX_framebuffer, 0x00, SCREEN_SIZE);
    //info("%s framebuffer zeroed", __FUNCTION__);

/*	TODO :	I am not sure for contrast function (command) 
		Don't try to adjust contrast until contrast function is checked and fixed
*/
/*
    if (cfg_number(section, "Contrast", 0, 0, 255, &value1) > 0) {
	info("%s: Setting contrast to %d", Name, value1);
	drv_MOGX_contrast(value1);
    }
*/
    /* if lcd has three color backlight call the backlightRGB function */
    if (backlight_RGB) {
	if ((cfg_number(section, "Backlight_R", 0, 0, 255, &value1) > 0) &&
	    (cfg_number(section, "Backlight_G", 0, 0, 255, &value2) > 0) &&
	    (cfg_number(section, "Backlight_B", 0, 0, 255, &value3) > 0)) {
	    info("%s: Setting backlight to %d,%d,%d (RGB)", Name, value1, value2, value3);
	    drv_MOGX_backlightRGB(value1, value2, value3);
	}
    } else {
	if ((cfg_number(section, "Backlight", 0, 0, 255, &value1) > 0)) {
	    info("%s: Setting backlight to %d", Name, value1);
	    drv_MOGX_backlight(value1);
	}
    }

    //info("In %s\n", __FUNCTION__);

    return 0;
}


/****************************************/
/***            plugins               ***/
/****************************************/
/*	TODO :	I am not sure for contrast function (command) 
		Don't try to adjust contrast until contrast function is checked and fixed
*/
/*
static void plugin_contrast(RESULT * result, RESULT * arg1)
{
    double contrast;

    contrast = drv_MOGX_contrast(R2N(arg1));
    SetResult(&result, R_NUMBER, &contrast);
}
*/

static void plugin_backlight(RESULT * result, RESULT * arg1)
{
    double backlight;

    backlight = drv_MOGX_backlight(R2N(arg1));
    SetResult(&result, R_NUMBER, &backlight);
}

static void plugin_backlightRGB(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3)
{
    double backlight;

    backlight = drv_MOGX_backlightRGB(R2N(arg1), R2N(arg2), R2N(arg3));
    SetResult(&result, R_NUMBER, &backlight);
}

/****************************************/
/***        widget callbacks          ***/
/****************************************/


/* using drv_generic_text_draw(W) */
/* using drv_generic_text_icon_draw(W) */
/* using drv_generic_text_bar_draw(W) */
/* using drv_generic_gpio_draw(W) */


/****************************************/
/***        exported functions        ***/
/****************************************/


/* list models */
int drv_MOGX_list(void)
{
    printf("Matrix Orbital GX Series driver");
    return 0;
}

/* initialize driver & display */
int drv_MOGX_init(const char *section, const int quiet)
{
    int ret;

    //info("%s: %s", Name, "$Rev: 2$");
    //info("Matrix Orbital GX Series LCD initialization\n");

    /* real worker functions */
    drv_generic_graphic_real_blit = drv_MOGX_blit;

    /* start display */
    if ((ret = drv_MOGX_start(section, quiet)) != 0)
	return ret;

    /* initialize generic graphic driver */
    if ((ret = drv_generic_graphic_init(section, Name)) != 0)
	return ret;

    if (!quiet) {
	char buffer[40];
	qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
	if (drv_generic_graphic_greet(buffer, "http://www.matrixorbital.com")) {
	    sleep(3);
	    drv_generic_graphic_clear();
	}
    }

    /* register plugins */
    /*  TODO :  I am not sure for contrast function (command) 
       Don't try to adjust contrast until contrast function is checked and fixed
     */
    //AddFunction("LCD::contrast", 1, plugin_contrast);
    if (backlight_RGB)
	AddFunction("LCD::backlightRGB", 3, plugin_backlightRGB);
    else
	AddFunction("LCD::backlight", 1, plugin_backlight);

    //info("In %s\n", __FUNCTION__);

    memset(MOGX_framebuffer, 0x00, SCREEN_SIZE);
    //DEBUG("zeroed");

    return 0;
}



/* close driver & display */
int drv_MOGX_quit(const __attribute__ ((unused))
		  int quiet)
{
    info("%s: shutting down.", Name);

    /* clear display */
    drv_MOGX_clear();

    drv_generic_graphic_quit();

    //debug("closing connection");
    drv_MOGX_close();

    if (MOGX_framebuffer) {
	free(MOGX_framebuffer);
    }

    return (0);
}

/* use this one for a graphic display */
DRIVER drv_MatrixOrbitalGX = {
    .name = Name,
    .list = drv_MOGX_list,
    .init = drv_MOGX_init,
    .quit = drv_MOGX_quit,
};