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 #include <linux/reboot.h>
  22
  23 enum tegra_suspend_mode {
  24         TEGRA_SUSPEND_NONE = 0,
  25         TEGRA_SUSPEND_LP2,      /* CPU voltage off */
  26         TEGRA_SUSPEND_LP1,      /* CPU voltage off, DRAM self-refresh */
  27         TEGRA_SUSPEND_LP0,      /* CPU + core voltage off, DRAM self-refresh */
  28         TEGRA_MAX_SUSPEND_MODE,
  29 };
  30
  31 #ifdef CONFIG_PM_SLEEP
  32 enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
  33 void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
  34 void tegra_pmc_suspend(void);
  35 void tegra_pmc_resume(void);
  36 void tegra_pmc_pm_set(enum tegra_suspend_mode mode);
  37 void tegra_pmc_suspend_init(void);
  38 #endif
  39
  40 bool tegra_pmc_cpu_is_powered(int cpuid);
  41 int tegra_pmc_cpu_power_on(int cpuid);
  42 int tegra_pmc_cpu_remove_clamping(int cpuid);
  43
  44 void tegra_pmc_restart(enum reboot_mode mode, const char *cmd);
  45
  46 void tegra_pmc_init_irq(void);
  47 void tegra_pmc_init(void);
  48
  49 #endif