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/* linux/arch/arm/mach-exynos/include/mach/asv.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* EXYNOS4 - Adoptive Support Voltage Header file
*
* 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.
*/
#ifndef __ASM_ARCH_ASV_H
#define __ASM_ARCH_ASV_H __FILE__
#ifdef CONFIG_EXYNOS4_CPUFREQ
#include <mach/regs-pmu.h>
#include <mach/regs-pmu5.h>
#include <plat/cpu.h>
#define JUDGE_TABLE_END NULL
#define LOOP_CNT 10
#define MIF_LOCK_FLAG 0
#define INT_LOCK_FLAG 1
#define G3D_LOCK_FLAG 2
#define ARM_LOCK_FLAG 3
extern unsigned int exynos_result_of_asv;
extern unsigned int exynos_armclk_max;
extern unsigned int exynos_special_flag;
extern bool exynos_dynamic_ema;
static inline unsigned int is_special_flag(void)
{
return exynos_special_flag;
}
enum exynos4x12_abb_member {
ABB_INT,
ABB_MIF,
ABB_G3D,
ABB_ARM,
};
static inline void exynos4x12_set_abb_member(enum exynos4x12_abb_member abb_target,
unsigned int abb_mode_value)
{
unsigned int tmp;
if (abb_mode_value != ABB_MODE_BYPASS)
tmp = S5P_ABB_INIT;
else
tmp = S5P_ABB_INIT_BYPASS;
tmp |= abb_mode_value;
if (!soc_is_exynos5250())
__raw_writel(tmp, S5P_ABB_MEMBER(abb_target));
else if (abb_target == ABB_INT)
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_INT));
else if (abb_target == ABB_MIF)
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_MIF));
else if (abb_target == ABB_G3D)
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_G3D));
else if (abb_target == ABB_ARM)
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_ARM));
}
static inline void exynos4x12_set_abb(unsigned int abb_mode_value)
{
unsigned int tmp;
pr_debug("EXYNOS4X12 ABB MODE : %d(mV)\n", 600 + (abb_mode_value * 50));
if (abb_mode_value != ABB_MODE_BYPASS)
tmp = S5P_ABB_INIT;
else
tmp = S5P_ABB_INIT_BYPASS;
tmp |= abb_mode_value;
if (!soc_is_exynos5250()) {
__raw_writel(tmp, S5P_ABB_INT);
__raw_writel(tmp, S5P_ABB_MIF);
__raw_writel(tmp, S5P_ABB_G3D);
__raw_writel(tmp, S5P_ABB_ARM);
} else {
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_INT));
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_MIF));
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_G3D));
__raw_writel(tmp, EXYNOS5_ABB_MEMBER(ABB_ARM));
}
}
static inline int exynos4x12_get_abb_member(enum exynos4x12_abb_member abb_target)
{
return (__raw_readl(S5P_ABB_MEMBER(abb_target)) & 0x1f);
}
struct asv_judge_table {
unsigned int hpm_limit; /* HPM value to decide group of target */
unsigned int ids_limit; /* IDS value to decide group of target */
};
struct samsung_asv {
unsigned int pkg_id; /* fused value for pakage */
unsigned int ids_offset; /* ids_offset of chip */
unsigned int ids_mask; /* ids_mask of chip */
unsigned int hpm_result; /* hpm value of chip */
unsigned int ids_result; /* ids value of chip */
int (*check_vdd_arm)(void); /* check vdd_arm value, this function is selectable */
int (*pre_clock_init)(void); /* clock init function to get hpm */
int (*pre_clock_setup)(void); /* clock setup function to get hpm */
/* specific get ids function */
int (*get_ids)(struct samsung_asv *asv_info);
/* specific get hpm function */
int (*get_hpm)(struct samsung_asv *asv_info);
/* store into some repository to send result of asv */
int (*store_result)(struct samsung_asv *asv_info);
};
extern int exynos4210_asv_init(struct samsung_asv *asv_info);
extern int exynos4x12_asv_init(struct samsung_asv *asv_info);
extern int exynos5250_asv_init(struct samsung_asv *asv_info);
void exynos4x12_set_abb_member(enum exynos4x12_abb_member abb_target, unsigned int abb_mode_value);
#else
/* left empty to invoke build errors */
#endif
#endif /* __ASM_ARCH_ASV_H */
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