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/* arch/arm/mach-msm/clock.h
*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
*
* 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 __ARCH_ARM_MACH_MSM_CLOCK_H
#define __ARCH_ARM_MACH_MSM_CLOCK_H
#include <linux/list.h>
#include <mach/clk.h>
#include "clock-pcom.h"
#define CLKFLAG_INVERT 0x00000001
#define CLKFLAG_NOINVERT 0x00000002
#define CLKFLAG_NONEST 0x00000004
#define CLKFLAG_NORESET 0x00000008
#define CLK_FIRST_AVAILABLE_FLAG 0x00000100
#define CLKFLAG_AUTO_OFF 0x00000200
#define CLKFLAG_MIN 0x00000400
#define CLKFLAG_MAX 0x00000800
struct clk_ops {
int (*enable)(unsigned id);
void (*disable)(unsigned id);
void (*auto_off)(unsigned id);
int (*reset)(unsigned id, enum clk_reset_action action);
int (*set_rate)(unsigned id, unsigned rate);
int (*set_min_rate)(unsigned id, unsigned rate);
int (*set_max_rate)(unsigned id, unsigned rate);
int (*set_flags)(unsigned id, unsigned flags);
unsigned (*get_rate)(unsigned id);
unsigned (*is_enabled)(unsigned id);
long (*round_rate)(unsigned id, unsigned rate);
};
struct clk {
uint32_t id;
uint32_t remote_id;
uint32_t count;
uint32_t flags;
const char *name;
struct clk_ops *ops;
const char *dbg_name;
struct list_head list;
struct device *dev;
};
#define A11S_CLK_CNTL_ADDR (MSM_CSR_BASE + 0x100)
#define A11S_CLK_SEL_ADDR (MSM_CSR_BASE + 0x104)
#define A11S_VDD_SVS_PLEVEL_ADDR (MSM_CSR_BASE + 0x124)
#ifdef CONFIG_DEBUG_FS
#define CLOCK_DBG_NAME(x) .dbg_name = x,
#else
#define CLOCK_DBG_NAME(x)
#endif
#define CLOCK(clk_name, clk_id, clk_dev, clk_flags) { \
.name = clk_name, \
.id = clk_id, \
.flags = clk_flags, \
.dev = clk_dev, \
CLOCK_DBG_NAME(#clk_id) \
}
#define OFF CLKFLAG_AUTO_OFF
#define CLK_MIN CLKFLAG_MIN
#define CLK_MAX CLKFLAG_MAX
#define CLK_MINMAX (CLK_MIN | CLK_MAX)
#define NR_CLKS P_NR_CLKS
enum {
PLL_0 = 0,
PLL_1,
PLL_2,
PLL_3,
PLL_4,
PLL_5,
PLL_6,
NUM_PLL
};
enum clkvote_client {
CLKVOTE_ACPUCLK = 0,
CLKVOTE_PMQOS,
CLKVOTE_MAX,
};
int msm_clock_require_tcxo(unsigned long *reason, int nbits);
int msm_clock_get_name(uint32_t id, char *name, uint32_t size);
int ebi1_clk_set_min_rate(enum clkvote_client client, unsigned long rate);
unsigned long clk_get_max_axi_khz(void);
#endif
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