/*      $NetBSD: vrc4172pwmvar.h,v 1.9 2012/10/27 17:17:55 chs Exp $    */

/*
 * Copyright (c) 2000,2001 SATO Kazumi.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#define VRC2_PWM_N_BRIGHTNESS   16
#define VRC2_PWM_MAX_BRIGHTNESS (VRC2_PWM_N_BRIGHTNESS-1)
#define VRC2_PWM_N_CONTRAST     32
#define VRC2_PWM_MAX_CONTRAST   (VRC2_PWM_N_CONTRAST-1)


struct vrc4172pwm_param {
        int8_t brokenprobe;
        int8_t n_brightness;
        int8_t bvalues[VRC2_PWM_N_BRIGHTNESS];
        int8_t n_contrast;
        int8_t cvalues[VRC2_PWM_N_CONTRAST];
};

struct vrc4172pwm_softc {
        bus_space_tag_t sc_iot;
        bus_space_handle_t sc_ioh;
        config_hook_tag sc_lcdhook;
        config_hook_tag sc_getlcdhook;
        config_hook_tag sc_gethook;
        config_hook_tag sc_getmaxhook;
        config_hook_tag sc_sethook;
        config_hook_tag sc_pmhook;
        int sc_light;                   /* backlight on/off */
        int sc_light_save;              /* backlight on/off value when suspend*/
        int sc_brightness;              /* backlight brightness */
        int sc_raw_duty;                /* backlight plus gen. duty */
        int sc_raw_freq;                /* backligjy plus gen. freq. */
        struct vrc4172pwm_param *sc_param;
};