| Bryan Huntsman | 3f2bc4d | 2011-08-16 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 | |
| 14 | #ifndef __KGSL_PWRSCALE_H |
| 15 | #define __KGSL_PWRSCALE_H |
| 16 | |
| 17 | struct kgsl_pwrscale; |
| 18 | |
| 19 | struct kgsl_pwrscale_policy { |
| 20 | const char *name; |
| 21 | int (*init)(struct kgsl_device *device, |
| 22 | struct kgsl_pwrscale *pwrscale); |
| 23 | void (*close)(struct kgsl_device *device, |
| 24 | struct kgsl_pwrscale *pwrscale); |
| 25 | void (*idle)(struct kgsl_device *device, |
| 26 | struct kgsl_pwrscale *pwrscale); |
| 27 | void (*busy)(struct kgsl_device *device, |
| 28 | struct kgsl_pwrscale *pwrscale); |
| 29 | void (*sleep)(struct kgsl_device *device, |
| 30 | struct kgsl_pwrscale *pwrscale); |
| 31 | void (*wake)(struct kgsl_device *device, |
| 32 | struct kgsl_pwrscale *pwrscale); |
| 33 | }; |
| 34 | |
| 35 | struct kgsl_pwrscale { |
| 36 | struct kgsl_pwrscale_policy *policy; |
| 37 | struct kobject kobj; |
| 38 | void *priv; |
| Lucille Sylvester | 28e99c8 | 2011-08-18 17:23:10 -0600 | [diff] [blame^] | 39 | int gpu_busy; |
| Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 40 | }; |
| 41 | |
| 42 | struct kgsl_pwrscale_policy_attribute { |
| 43 | struct attribute attr; |
| 44 | ssize_t (*show)(struct kgsl_device *device, |
| 45 | struct kgsl_pwrscale *pwrscale, char *buf); |
| 46 | ssize_t (*store)(struct kgsl_device *device, |
| 47 | struct kgsl_pwrscale *pwrscale, const char *buf, |
| 48 | size_t count); |
| 49 | }; |
| 50 | |
| 51 | #define PWRSCALE_POLICY_ATTR(_name, _mode, _show, _store) \ |
| 52 | struct kgsl_pwrscale_policy_attribute policy_attr_##_name = \ |
| 53 | __ATTR(_name, _mode, _show, _store) |
| 54 | |
| 55 | extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_tz; |
| 56 | |
| 57 | int kgsl_pwrscale_init(struct kgsl_device *device); |
| 58 | void kgsl_pwrscale_close(struct kgsl_device *device); |
| 59 | |
| 60 | int kgsl_pwrscale_attach_policy(struct kgsl_device *device, |
| 61 | struct kgsl_pwrscale_policy *policy); |
| 62 | void kgsl_pwrscale_detach_policy(struct kgsl_device *device); |
| 63 | |
| 64 | void kgsl_pwrscale_idle(struct kgsl_device *device); |
| 65 | void kgsl_pwrscale_busy(struct kgsl_device *device); |
| 66 | void kgsl_pwrscale_sleep(struct kgsl_device *device); |
| 67 | void kgsl_pwrscale_wake(struct kgsl_device *device); |
| 68 | |
| 69 | int kgsl_pwrscale_policy_add_files(struct kgsl_device *device, |
| 70 | struct kgsl_pwrscale *pwrscale, |
| 71 | struct attribute_group *attr_group); |
| 72 | |
| 73 | void kgsl_pwrscale_policy_remove_files(struct kgsl_device *device, |
| 74 | struct kgsl_pwrscale *pwrscale, |
| 75 | struct attribute_group *attr_group); |
| 76 | #endif |