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review.evervolv.com / android_kernel_htc_msm8960 / 2bdd0568ce440f254ca64a223710d8224acff2f7 / . / drivers / gpu / msm / kgsl_pwrctrl.h
blob: c02a9fc78b9a7a94913d51bb93c4dfe78a2a06ad [file] [log] [blame]
Lucille Sylvester6e362412011-12-09 16:21:42 -0700[diff] [blame]1/* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]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 Sylvester6e362412011-12-09 16:21:42 -0700[diff] [blame]24#define KGSL_PWRLEVEL_LAST_OFFSET 2
Lucille Sylvester02e46292011-09-21 14:59:17 -0600[diff] [blame]25
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]26#define KGSL_MAX_CLKS 5
27
28struct platform_device;
29
Suman Tatiraju2bdd0562012-01-26 14:49:46 -0800[diff] [blame^]30struct kgsl_clk_stats {
31 unsigned int old_clock_time[KGSL_MAX_PWRLEVELS];
32 unsigned int clock_time[KGSL_MAX_PWRLEVELS];
33 unsigned int on_time_old;
34 ktime_t start;
35 ktime_t stop;
Suman Tatiraju7fe62a32011-07-14 16:40:37 -0700[diff] [blame]36 unsigned int no_nap_cnt;
Suman Tatiraju2bdd0562012-01-26 14:49:46 -0800[diff] [blame^]37 unsigned int elapsed;
38 unsigned int elapsed_old;
Suman Tatiraju7fe62a32011-07-14 16:40:37 -0700[diff] [blame]39};
40
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]41struct kgsl_pwrctrl {
42 int interrupt_num;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]43 struct clk *ebi1_clk;
44 struct clk *grp_clks[KGSL_MAX_CLKS];
45 unsigned long power_flags;
46 struct kgsl_pwrlevel pwrlevels[KGSL_MAX_PWRLEVELS];
47 unsigned int active_pwrlevel;
48 int thermal_pwrlevel;
Lucille Sylvester67b4c532012-02-08 11:24:31 -0800[diff] [blame]49 unsigned int default_pwrlevel;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]50 unsigned int num_pwrlevels;
51 unsigned int interval_timeout;
Lynus Vazfe4bede2012-04-06 11:53:30 -0700[diff] [blame]52 bool strtstp_sleepwake;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]53 struct regulator *gpu_reg;
Pu Chen12053782012-07-24 17:04:27 -0700[diff] [blame]54 struct regulator *gpu_cx;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]55 uint32_t pcl;
56 unsigned int nap_allowed;
Kedar Joshic11d0982012-02-07 10:59:49 +0530[diff] [blame]57 unsigned int idle_needed;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]58 const char *irq_name;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]59 s64 time;
Suman Tatiraju24569022011-10-27 11:11:12 -0700[diff] [blame]60 unsigned int restore_slumber;
Suman Tatiraju2bdd0562012-01-26 14:49:46 -0800[diff] [blame^]61 struct kgsl_clk_stats clk_stats;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]62};
63
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]64void kgsl_pwrctrl_irq(struct kgsl_device *device, int state);
65int kgsl_pwrctrl_init(struct kgsl_device *device);
66void kgsl_pwrctrl_close(struct kgsl_device *device);
67void kgsl_timer(unsigned long data);
68void kgsl_idle_check(struct work_struct *work);
69void kgsl_pre_hwaccess(struct kgsl_device *device);
70void kgsl_check_suspended(struct kgsl_device *device);
71int kgsl_pwrctrl_sleep(struct kgsl_device *device);
72void kgsl_pwrctrl_wake(struct kgsl_device *device);
73void kgsl_pwrctrl_pwrlevel_change(struct kgsl_device *device,
74 unsigned int level);
75int kgsl_pwrctrl_init_sysfs(struct kgsl_device *device);
76void kgsl_pwrctrl_uninit_sysfs(struct kgsl_device *device);
77void kgsl_pwrctrl_enable(struct kgsl_device *device);
78void kgsl_pwrctrl_disable(struct kgsl_device *device);
79static inline unsigned long kgsl_get_clkrate(struct clk *clk)
80{
81 return (clk != NULL) ? clk_get_rate(clk) : 0;
82}
83
Jeremy Gebben388c2972011-12-16 09:05:07 -0700[diff] [blame]84void kgsl_pwrctrl_set_state(struct kgsl_device *device, unsigned int state);
85void kgsl_pwrctrl_request_state(struct kgsl_device *device, unsigned int state);
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]86#endif /* __KGSL_PWRCTRL_H */