| 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 | #ifndef __KGSL_PWRCTRL_H |
| 14 | #define __KGSL_PWRCTRL_H |
| 15 | |
| 16 | /***************************************************************************** |
| 17 | ** power flags |
| 18 | *****************************************************************************/ |
| 19 | #define KGSL_PWRFLAGS_POWER_ON 0 |
| 20 | #define KGSL_PWRFLAGS_CLK_ON 1 |
| 21 | #define KGSL_PWRFLAGS_AXI_ON 2 |
| 22 | #define KGSL_PWRFLAGS_IRQ_ON 3 |
| 23 | |
| 24 | #define KGSL_PWRFLAGS_ON 1 |
| 25 | #define KGSL_PWRFLAGS_OFF 0 |
| 26 | |
| 27 | #define KGSL_PWRLEVEL_TURBO 0 |
| 28 | #define KGSL_PWRLEVEL_NOMINAL 1 |
| 29 | #define KGSL_MAX_CLKS 5 |
| 30 | |
| 31 | struct platform_device; |
| 32 | |
| 33 | struct kgsl_pwrctrl { |
| 34 | int interrupt_num; |
| 35 | int have_irq; |
| 36 | struct clk *ebi1_clk; |
| 37 | struct clk *grp_clks[KGSL_MAX_CLKS]; |
| 38 | unsigned long power_flags; |
| 39 | struct kgsl_pwrlevel pwrlevels[KGSL_MAX_PWRLEVELS]; |
| 40 | unsigned int active_pwrlevel; |
| 41 | int thermal_pwrlevel; |
| 42 | unsigned int num_pwrlevels; |
| 43 | unsigned int interval_timeout; |
| 44 | struct regulator *gpu_reg; |
| 45 | uint32_t pcl; |
| 46 | unsigned int nap_allowed; |
| 47 | const char *regulator_name; |
| 48 | const char *irq_name; |
| 49 | const char *src_clk_name; |
| 50 | s64 time; |
| 51 | }; |
| 52 | |
| 53 | void kgsl_pwrctrl_clk(struct kgsl_device *device, int state); |
| 54 | void kgsl_pwrctrl_axi(struct kgsl_device *device, int state); |
| 55 | void kgsl_pwrctrl_pwrrail(struct kgsl_device *device, int state); |
| 56 | void kgsl_pwrctrl_irq(struct kgsl_device *device, int state); |
| 57 | int kgsl_pwrctrl_init(struct kgsl_device *device); |
| 58 | void kgsl_pwrctrl_close(struct kgsl_device *device); |
| 59 | void kgsl_timer(unsigned long data); |
| 60 | void kgsl_idle_check(struct work_struct *work); |
| 61 | void kgsl_pre_hwaccess(struct kgsl_device *device); |
| 62 | void kgsl_check_suspended(struct kgsl_device *device); |
| 63 | int kgsl_pwrctrl_sleep(struct kgsl_device *device); |
| 64 | void kgsl_pwrctrl_wake(struct kgsl_device *device); |
| 65 | void kgsl_pwrctrl_pwrlevel_change(struct kgsl_device *device, |
| 66 | unsigned int level); |
| 67 | int kgsl_pwrctrl_init_sysfs(struct kgsl_device *device); |
| 68 | void kgsl_pwrctrl_uninit_sysfs(struct kgsl_device *device); |
| 69 | void kgsl_pwrctrl_enable(struct kgsl_device *device); |
| 70 | void kgsl_pwrctrl_disable(struct kgsl_device *device); |
| 71 | static inline unsigned long kgsl_get_clkrate(struct clk *clk) |
| 72 | { |
| 73 | return (clk != NULL) ? clk_get_rate(clk) : 0; |
| 74 | } |
| 75 | |
| 76 | #endif /* __KGSL_PWRCTRL_H */ |