mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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37a298fb6a
Signed-off-by: Gregory Bean <gbean@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/* arch/arm/mach-msm/clock.h
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*
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* Copyright (C) 2007 Google, Inc.
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* Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __ARCH_ARM_MACH_MSM_CLOCK_H
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#define __ARCH_ARM_MACH_MSM_CLOCK_H
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#include <linux/list.h>
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#include <mach/clk.h>
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#include "clock-pcom.h"
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#include "clock-7x30.h"
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#define CLKFLAG_INVERT 0x00000001
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#define CLKFLAG_NOINVERT 0x00000002
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#define CLKFLAG_NONEST 0x00000004
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#define CLKFLAG_NORESET 0x00000008
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#define CLK_FIRST_AVAILABLE_FLAG 0x00000100
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#define CLKFLAG_AUTO_OFF 0x00000200
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#define CLKFLAG_MIN 0x00000400
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#define CLKFLAG_MAX 0x00000800
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struct clk_ops {
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int (*enable)(unsigned id);
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void (*disable)(unsigned id);
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void (*auto_off)(unsigned id);
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int (*reset)(unsigned id, enum clk_reset_action action);
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int (*set_rate)(unsigned id, unsigned rate);
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int (*set_min_rate)(unsigned id, unsigned rate);
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int (*set_max_rate)(unsigned id, unsigned rate);
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int (*set_flags)(unsigned id, unsigned flags);
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unsigned (*get_rate)(unsigned id);
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unsigned (*is_enabled)(unsigned id);
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long (*round_rate)(unsigned id, unsigned rate);
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};
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struct clk {
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uint32_t id;
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uint32_t remote_id;
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uint32_t count;
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uint32_t flags;
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const char *name;
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struct clk_ops *ops;
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const char *dbg_name;
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struct list_head list;
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struct device *dev;
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};
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#define A11S_CLK_CNTL_ADDR (MSM_CSR_BASE + 0x100)
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#define A11S_CLK_SEL_ADDR (MSM_CSR_BASE + 0x104)
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#define A11S_VDD_SVS_PLEVEL_ADDR (MSM_CSR_BASE + 0x124)
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#ifdef CONFIG_DEBUG_FS
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#define CLOCK_DBG_NAME(x) .dbg_name = x,
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#else
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#define CLOCK_DBG_NAME(x)
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#endif
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#define CLOCK(clk_name, clk_id, clk_dev, clk_flags) { \
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.name = clk_name, \
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.id = clk_id, \
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.flags = clk_flags, \
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.dev = clk_dev, \
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CLOCK_DBG_NAME(#clk_id) \
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}
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#define OFF CLKFLAG_AUTO_OFF
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#define CLK_MIN CLKFLAG_MIN
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#define CLK_MAX CLKFLAG_MAX
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#define CLK_MINMAX (CLK_MIN | CLK_MAX)
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#define NR_CLKS P_NR_CLKS
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enum {
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PLL_0 = 0,
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PLL_1,
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PLL_2,
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PLL_3,
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PLL_4,
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PLL_5,
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PLL_6,
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NUM_PLL
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};
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enum clkvote_client {
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CLKVOTE_ACPUCLK = 0,
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CLKVOTE_PMQOS,
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CLKVOTE_MAX,
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};
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int msm_clock_require_tcxo(unsigned long *reason, int nbits);
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int msm_clock_get_name(uint32_t id, char *name, uint32_t size);
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int ebi1_clk_set_min_rate(enum clkvote_client client, unsigned long rate);
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unsigned long clk_get_max_axi_khz(void);
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#endif
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