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review.evervolv.com / android_kernel_htc_msm8960 / 388c297b8b3717bd22179f4b3728dcc2e2488d69 / . / drivers / gpu / msm / kgsl_pwrctrl.h
blob: 8ec41beea0f216e88d7b85ddabccf5400b7f8183 [file] [log] [blame]
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]1/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 */
13#ifndef __KGSL_PWRCTRL_H
14#define __KGSL_PWRCTRL_H
15
16/*****************************************************************************
17** power flags
18*****************************************************************************/
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]19#define KGSL_PWRFLAGS_ON 1
20#define KGSL_PWRFLAGS_OFF 0
21
22#define KGSL_PWRLEVEL_TURBO 0
23#define KGSL_PWRLEVEL_NOMINAL 1
Lucille Sylvester02e46292011-09-21 14:59:17 -0600[diff] [blame]24
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]25#define KGSL_MAX_CLKS 5
26
27struct platform_device;
28
Suman Tatiraju7fe62a32011-07-14 16:40:37 -0700[diff] [blame]29struct kgsl_busy {
30 struct timeval start;
31 struct timeval stop;
32 int on_time;
33 int time;
34 int on_time_old;
35 int time_old;
36 unsigned int no_nap_cnt;
37};
38
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]39struct kgsl_pwrctrl {
40 int interrupt_num;
41 int have_irq;
42 struct clk *ebi1_clk;
43 struct clk *grp_clks[KGSL_MAX_CLKS];
44 unsigned long power_flags;
45 struct kgsl_pwrlevel pwrlevels[KGSL_MAX_PWRLEVELS];
46 unsigned int active_pwrlevel;
47 int thermal_pwrlevel;
48 unsigned int num_pwrlevels;
49 unsigned int interval_timeout;
50 struct regulator *gpu_reg;
51 uint32_t pcl;
52 unsigned int nap_allowed;
53 const char *regulator_name;
54 const char *irq_name;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]55 s64 time;
Suman Tatiraju7fe62a32011-07-14 16:40:37 -0700[diff] [blame]56 struct kgsl_busy busy;
Suman Tatiraju24569022011-10-27 11:11:12 -0700[diff] [blame]57 unsigned int restore_slumber;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]58};
59
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]60void kgsl_pwrctrl_irq(struct kgsl_device *device, int state);
61int kgsl_pwrctrl_init(struct kgsl_device *device);
62void kgsl_pwrctrl_close(struct kgsl_device *device);
63void kgsl_timer(unsigned long data);
64void kgsl_idle_check(struct work_struct *work);
65void kgsl_pre_hwaccess(struct kgsl_device *device);
66void kgsl_check_suspended(struct kgsl_device *device);
67int kgsl_pwrctrl_sleep(struct kgsl_device *device);
68void kgsl_pwrctrl_wake(struct kgsl_device *device);
69void kgsl_pwrctrl_pwrlevel_change(struct kgsl_device *device,
70 unsigned int level);
71int kgsl_pwrctrl_init_sysfs(struct kgsl_device *device);
72void kgsl_pwrctrl_uninit_sysfs(struct kgsl_device *device);
73void kgsl_pwrctrl_enable(struct kgsl_device *device);
74void kgsl_pwrctrl_disable(struct kgsl_device *device);
75static inline unsigned long kgsl_get_clkrate(struct clk *clk)
76{
77 return (clk != NULL) ? clk_get_rate(clk) : 0;
78}
79
Jeremy Gebben388c2972011-12-16 09:05:07 -0700[diff] [blame^]80void kgsl_pwrctrl_set_state(struct kgsl_device *device, unsigned int state);
81void kgsl_pwrctrl_request_state(struct kgsl_device *device, unsigned int state);
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]82#endif /* __KGSL_PWRCTRL_H */