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/*
* Smart reflex Class 3 specific implementations
*
* Author: Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Thara Gopinath <thara@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/power/smartreflex.h>
#include "voltage.h"
static int sr_class3_enable(struct omap_sr *sr)
{
unsigned long volt = voltdm_get_voltage(sr->voltdm);
if (!volt) {
pr_warning("%s: Curr voltage unknown. Cannot enable sr_%s\n",
__func__, sr->voltdm->name);
return -ENODATA;
}
omap_vp_enable(sr->voltdm);
return sr_enable(sr->voltdm, volt);
}
static int sr_class3_disable(struct omap_sr *sr, int is_volt_reset)
{
sr_disable_errgen(sr->voltdm);
omap_vp_disable(sr->voltdm);
sr_disable(sr->voltdm);
if (is_volt_reset)
voltdm_reset(sr->voltdm);
return 0;
}
static int sr_class3_configure(struct omap_sr *sr)
{
return sr_configure_errgen(sr->voltdm);
}
/* 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);
}
late_initcall(sr_class3_init);
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