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/*
* Copyright (C) ST-Ericsson SA 2010
* Author: Rickard Andersson <rickard.andersson@stericsson.com> for
* ST-Ericsson. Loosly based on cpuidle.c by Sundar Iyer.
* License terms: GNU General Public License (GPL) version 2
*
*/
#ifndef __CPUIDLE_H
#define __CPUIDLE_H
#include <linux/cpuidle.h>
enum ARM {
ARM_OFF,
ARM_RET,
ARM_ON
};
enum APE {
APE_OFF,
APE_ON
};
enum UL_PLL {
UL_PLL_OFF,
UL_PLL_ON
};
enum ESRAM {
ESRAM_OFF,
ESRAM_RET
};
enum ci_pwrst {
CI_RUNNING = 0, /* Must be the same number as entry in cstates */
CI_WFI = 1, /* Must be the same number as entry in cstates */
CI_IDLE,
CI_SLEEP,
CI_DEEP_IDLE,
CI_DEEP_SLEEP,
};
struct cstate {
/* Required state of different hardwares */
enum ARM ARM;
enum APE APE;
enum UL_PLL UL_PLL;
/* ESRAM = ESRAM_RET means that ESRAM context to be kept */
enum ESRAM ESRAM;
u32 enter_latency;
u32 exit_latency;
u32 power_usage;
u32 threshold;
u32 flags;
u8 pwrst;
/* Only used for debugging purpose */
enum ci_pwrst state;
char desc[CPUIDLE_DESC_LEN];
};
struct cstate *ux500_ci_get_cstates(int *len);
#endif
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