arch/arm/mach-tegra/pmc.h

   1 /*
   2  * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 #ifndef __MACH_TEGRA_PMC_H
  19 #define __MACH_TEGRA_PMC_H
  20
  21 enum tegra_suspend_mode {
  22         TEGRA_SUSPEND_NONE = 0,
  23         TEGRA_SUSPEND_LP2,      /* CPU voltage off */
  24         TEGRA_SUSPEND_LP1,      /* CPU voltage off, DRAM self-refresh */
  25         TEGRA_SUSPEND_LP0,      /* CPU + core voltage off, DRAM self-refresh */
  26         TEGRA_MAX_SUSPEND_MODE,
  27 };
  28
  29 #ifdef CONFIG_PM_SLEEP
  30 enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
  31 void tegra_pmc_pm_set(enum tegra_suspend_mode mode);
  32 void tegra_pmc_suspend_init(void);
  33 #endif
  34
  35 bool tegra_pmc_cpu_is_powered(int cpuid);
  36 int tegra_pmc_cpu_power_on(int cpuid);
  37 int tegra_pmc_cpu_remove_clamping(int cpuid);
  38
  39 void tegra_pmc_init(void);
  40
  41 #endif