// SPDX-License-Identifier: GPL-2.0-only
/*
 * Smart reflex Class 3 specific implementations
 *
 * Author: Thara Gopinath       <thara@ti.com>
 *
 * Copyright (C) 2010 Texas Instruments, Inc.
 * Thara Gopinath <thara@ti.com>
 */

#include <linux/power/smartreflex.h>
#include "soc.h"
#include "voltage.h"

static int sr_class3_enable(struct omap_sr *sr)
{
        unsigned long volt = voltdm_get_voltage(sr->voltdm);

        if (!volt) {
                pr_warn("%s: Curr voltage unknown. Cannot enable %s\n",
                        __func__, sr->name);
                return -ENODATA;
        }

        omap_vp_enable(sr->voltdm);
        return sr_enable(sr, volt);
}

static int sr_class3_disable(struct omap_sr *sr, int is_volt_reset)
{
        sr_disable_errgen(sr);
        omap_vp_disable(sr->voltdm);
        sr_disable(sr);
        if (is_volt_reset)
                voltdm_reset(sr->voltdm);

        return 0;
}

static int sr_class3_configure(struct omap_sr *sr)
{
        return sr_configure_errgen(sr);
}

/* SR class3 structure */
static struct omap_sr_class_data class3_data = {
        .enable = sr_class3_enable,
        .disable = sr_class3_disable,
        .configure = sr_class3_configure,
        .class_type = SR_CLASS3,
};

/* Smartreflex Class3 init API to be called from board file */
static int __init sr_class3_init(void)
{
        pr_info("SmartReflex Class3 initialized\n");
        return sr_register_class(&class3_data);
}
omap_late_initcall(sr_class3_init);