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/*
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program 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.
*/
#ifndef __REGULATOR_CPR_REGULATOR_H__
#define __REGULATOR_CPR_REGULATOR_H__
#include <linux/regulator/machine.h>
#define CPR_REGULATOR_DRIVER_NAME "qcom,cpr-regulator"
#define CPR_PVS_EFUSE_BITS_MAX 5
#define CPR_PVS_EFUSE_BINS_MAX (1 << CPR_PVS_EFUSE_BITS_MAX)
/**
* enum cpr_fuse_corner_enum - CPR fuse corner enum values
* %CPR_FUSE_CORNER_SVS: Lowest voltage for APC
* %CPR_FUSE_CORNER_NORMAL: Normal mode voltage
* %CPR_FUSE_CORNER_TURBO: Turbo mode voltage
* %CPR_FUSE_CORNER_SUPER_TURBO: Super Turbo mode voltage
*
* These should be used in regulator_set_voltage() for CPR
* regulator as if they had units of uV.
*/
enum cpr_fuse_corner_enum {
CPR_FUSE_CORNER_SVS = 1,
CPR_FUSE_CORNER_NORMAL,
CPR_FUSE_CORNER_TURBO,
CPR_FUSE_CORNER_MAX,
};
/**
* enum pvs_process_enum - PVS process enum values
* %APC_PVS_NO: No PVS
* %APC_PVS_SLOW: Slow PVS process
* %APC_PVS_NOM: Nominal PVS process
* %APC_PVS_FAST: Fast PVS process
*/
enum apc_pvs_process_enum {
APC_PVS_NO,
APC_PVS_SLOW,
APC_PVS_NOM,
APC_PVS_FAST,
NUM_APC_PVS,
};
/**
* enum vdd_mx_vmin_method - Method to determine vmin for vdd-mx
* %VDD_MX_VMIN_APC: Equal to APC voltage
* %VDD_MX_VMIN_APC_CORNER_CEILING: Equal to PVS corner ceiling voltage
* %VDD_MX_VMIN_APC_SLOW_CORNER_CEILING:
* Equal to slow speed corner ceiling
* %VDD_MX_VMIN_MX_VMAX: Equal to specified vdd-mx-vmax voltage
* %VDD_MX_VMIN_APC_CORNER_MAP: Equal to the APC corner mapped MX
* voltage
*/
enum vdd_mx_vmin_method {
VDD_MX_VMIN_APC,
VDD_MX_VMIN_APC_CORNER_CEILING,
VDD_MX_VMIN_APC_SLOW_CORNER_CEILING,
VDD_MX_VMIN_MX_VMAX,
VDD_MX_VMIN_APC_CORNER_MAP,
};
#ifdef CONFIG_MSM_CPR_REGULATOR
int __init cpr_regulator_init(void);
#else
static inline int __init cpr_regulator_init(void)
{
return -ENODEV;
}
#endif /* CONFIG_MSM_CPR_REGULATOR */
#endif /* __REGULATOR_CPR_REGULATOR_H__ */
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