arch/arm/mach-tegra/include/mach/powergate.h

   1 /*
   2  * drivers/regulator/tegra-regulator.c
   3  *
   4  * Copyright (c) 2010 Google, Inc
   5  *
   6  * Author:
   7  *      Colin Cross <ccross@google.com>
   8  *
   9  * This software is licensed under the terms of the GNU General Public
  10  * License version 2, as published by the Free Software Foundation, and
  11  * may be copied, distributed, and modified under those terms.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  */
  19
  20 #ifndef _MACH_TEGRA_POWERGATE_H_
  21 #define _MACH_TEGRA_POWERGATE_H_
  22
  23 struct clk;
  24
  25 #define TEGRA_POWERGATE_CPU     0
  26 #define TEGRA_POWERGATE_3D      1
  27 #define TEGRA_POWERGATE_VENC    2
  28 #define TEGRA_POWERGATE_PCIE    3
  29 #define TEGRA_POWERGATE_VDEC    4
  30 #define TEGRA_POWERGATE_L2      5
  31 #define TEGRA_POWERGATE_MPE     6
  32 #define TEGRA_POWERGATE_HEG     7
  33 #define TEGRA_POWERGATE_SATA    8
  34 #define TEGRA_POWERGATE_CPU1    9
  35 #define TEGRA_POWERGATE_CPU2    10
  36 #define TEGRA_POWERGATE_CPU3    11
  37 #define TEGRA_POWERGATE_CELP    12
  38 #define TEGRA_POWERGATE_3D1     13
  39
  40 #define TEGRA_POWERGATE_CPU0    TEGRA_POWERGATE_CPU
  41 #define TEGRA_POWERGATE_3D0     TEGRA_POWERGATE_3D
  42
  43 int  __init tegra_powergate_init(void);
  44
  45 int tegra_cpu_powergate_id(int cpuid);
  46 int tegra_powergate_is_powered(int id);
  47 int tegra_powergate_power_on(int id);
  48 int tegra_powergate_power_off(int id);
  49 int tegra_powergate_remove_clamping(int id);
  50
  51 /* Must be called with clk disabled, and returns with clk enabled */
  52 int tegra_powergate_sequence_power_up(int id, struct clk *clk);
  53
  54 #endif /* _MACH_TEGRA_POWERGATE_H_ */