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/*
* arch/arm/mach-tegra/include/mach/clk.h
*
* Copyright (C) 2010 Google, Inc.
*
* Author:
* Erik Gilling <konkers@google.com>
*
* Copyright (C) 2010-2012 NVIDIA Corporation
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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 __MACH_CLK_H
#define __MACH_CLK_H
struct clk;
struct dvfs;
struct notifier_block;
enum tegra_clk_ex_param {
TEGRA_CLK_VI_INP_SEL,
TEGRA_CLK_DTV_INVERT,
TEGRA_CLK_NAND_PAD_DIV2_ENB,
TEGRA_CLK_PLLD_CSI_OUT_ENB,
TEGRA_CLK_PLLD_DSI_OUT_ENB,
TEGRA_CLK_PLLD_MIPI_MUX_SEL,
};
void tegra_periph_reset_deassert(struct clk *c);
void tegra_periph_reset_assert(struct clk *c);
#ifdef CONFIG_TEGRA_SILICON_PLATFORM
int tegra_dvfs_set_rate(struct clk *c, unsigned long rate);
#else
static inline int tegra_dvfs_set_rate(struct clk *c, unsigned long rate)
{ return 0; }
#endif
unsigned long clk_get_rate_all_locked(struct clk *c);
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
void tegra_sdmmc_tap_delay(struct clk *c, int delay);
static inline int tegra_emc_enable_eack(void) {
return 0;
}
static inline int tegra_emc_disable_eack(void) {
return 0;
}
#else
static inline void tegra_sdmmc_tap_delay(struct clk *c, int delay)
{
}
int tegra_emc_enable_eack(void);
int tegra_emc_disable_eack(void);
#endif
int tegra_dvfs_rail_disable_by_name(const char *reg_id);
int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting);
int tegra_register_clk_rate_notifier(struct clk *c, struct notifier_block *nb);
void tegra_unregister_clk_rate_notifier(
struct clk *c, struct notifier_block *nb);
/**
* tegra_is_clk_enabled - get info if the clk is enabled or not
* @clk: clock source
*
* Returns refcnt.
*/
int tegra_is_clk_enabled(struct clk *clk);
void tegra_cpu_user_cap_set(unsigned int speed_khz);
#endif
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