88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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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 __KGSL_PWRCTRL_H
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#define __KGSL_PWRCTRL_H
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#include <mach/internal_power_rail.h>
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/*****************************************************************************
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** power flags
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*****************************************************************************/
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#define KGSL_PWRFLAGS_ON 1
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#define KGSL_PWRFLAGS_OFF 0
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#define KGSL_PWRLEVEL_TURBO 0
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#define KGSL_PWRLEVEL_NOMINAL 1
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#define KGSL_PWRLEVEL_LOW_OFFSET 2
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#define KGSL_MAX_CLKS 5
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struct platform_device;
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struct kgsl_busy {
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struct timeval start;
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struct timeval stop;
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int on_time;
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int time;
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int on_time_old;
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int time_old;
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unsigned int no_nap_cnt;
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};
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struct kgsl_pwrctrl {
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int interrupt_num;
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int have_irq;
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unsigned int pwr_rail;
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struct clk *ebi1_clk;
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struct clk *grp_clks[KGSL_MAX_CLKS];
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unsigned long power_flags;
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struct kgsl_pwrlevel pwrlevels[KGSL_MAX_PWRLEVELS];
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unsigned int active_pwrlevel;
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int thermal_pwrlevel;
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unsigned int num_pwrlevels;
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unsigned int interval_timeout;
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struct regulator *gpu_reg;
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uint32_t pcl;
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unsigned int nap_allowed;
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const char *regulator_name;
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const char *irq_name;
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const char *src_clk_name;
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s64 time;
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struct kgsl_busy busy;
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};
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void kgsl_pwrctrl_clk(struct kgsl_device *device, int state);
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void kgsl_pwrctrl_axi(struct kgsl_device *device, int state);
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void kgsl_pwrctrl_pwrrail(struct kgsl_device *device, int state);
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void kgsl_pwrctrl_irq(struct kgsl_device *device, int state);
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int kgsl_pwrctrl_init(struct kgsl_device *device);
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void kgsl_pwrctrl_close(struct kgsl_device *device);
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void kgsl_timer(unsigned long data);
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void kgsl_idle_check(struct work_struct *work);
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void kgsl_pre_hwaccess(struct kgsl_device *device);
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void kgsl_check_suspended(struct kgsl_device *device);
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int kgsl_pwrctrl_sleep(struct kgsl_device *device);
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void kgsl_pwrctrl_wake(struct kgsl_device *device);
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void kgsl_pwrctrl_pwrlevel_change(struct kgsl_device *device,
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unsigned int level);
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int kgsl_pwrctrl_init_sysfs(struct kgsl_device *device);
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void kgsl_pwrctrl_uninit_sysfs(struct kgsl_device *device);
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void kgsl_pwrctrl_enable(struct kgsl_device *device);
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void kgsl_pwrctrl_disable(struct kgsl_device *device);
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static inline unsigned long kgsl_get_clkrate(struct clk *clk)
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{
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return (clk != NULL) ? clk_get_rate(clk) : 0;
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}
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#endif /* __KGSL_PWRCTRL_H */
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