95 lines
3.7 KiB
C
95 lines
3.7 KiB
C
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/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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/*****************************************************************************
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** power flags
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*****************************************************************************/
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#define KGSL_PWRFLAGS_POWER_ON 0
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#define KGSL_PWRFLAGS_CLK_ON 1
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#define KGSL_PWRFLAGS_AXI_ON 2
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#define KGSL_PWRFLAGS_IRQ_ON 3
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#define KGSL_PWRFLAGS_ON 1
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#define KGSL_PWRFLAGS_OFF 0
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#define KGSL_DEFAULT_PWRLEVEL 1
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#define KGSL_MAX_CLKS 5
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struct platform_device;
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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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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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struct adreno_context *suspended_ctxt;
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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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unsigned int no_switch_cnt;
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unsigned int idle_pass;
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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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