include/linux/tegra-powergate.h

   1 /*
   2  * Copyright (c) 2010 Google, Inc
   3  *
   4  * Author:
   5  *      Colin Cross <ccross@google.com>
   6  *
   7  * This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17
  18 #ifndef _MACH_TEGRA_POWERGATE_H_
  19 #define _MACH_TEGRA_POWERGATE_H_
  20
  21 struct clk;
  22
  23 #define TEGRA_POWERGATE_CPU     0
  24 #define TEGRA_POWERGATE_3D      1
  25 #define TEGRA_POWERGATE_VENC    2
  26 #define TEGRA_POWERGATE_PCIE    3
  27 #define TEGRA_POWERGATE_VDEC    4
  28 #define TEGRA_POWERGATE_L2      5
  29 #define TEGRA_POWERGATE_MPE     6
  30 #define TEGRA_POWERGATE_HEG     7
  31 #define TEGRA_POWERGATE_SATA    8
  32 #define TEGRA_POWERGATE_CPU1    9
  33 #define TEGRA_POWERGATE_CPU2    10
  34 #define TEGRA_POWERGATE_CPU3    11
  35 #define TEGRA_POWERGATE_CELP    12
  36 #define TEGRA_POWERGATE_3D1     13
  37 #define TEGRA_POWERGATE_CPU0    14
  38 #define TEGRA_POWERGATE_C0NC    15
  39 #define TEGRA_POWERGATE_C1NC    16
  40 #define TEGRA_POWERGATE_DIS     18
  41 #define TEGRA_POWERGATE_DISB    19
  42 #define TEGRA_POWERGATE_XUSBA   20
  43 #define TEGRA_POWERGATE_XUSBB   21
  44 #define TEGRA_POWERGATE_XUSBC   22
  45
  46 #define TEGRA_POWERGATE_3D0     TEGRA_POWERGATE_3D
  47
  48 #ifdef CONFIG_ARCH_TEGRA
  49 int tegra_powergate_is_powered(int id);
  50 int tegra_powergate_power_on(int id);
  51 int tegra_powergate_power_off(int id);
  52 int tegra_powergate_remove_clamping(int id);
  53
  54 /* Must be called with clk disabled, and returns with clk enabled */
  55 int tegra_powergate_sequence_power_up(int id, struct clk *clk);
  56 #else
  57 static inline int tegra_powergate_is_powered(int id)
  58 {
  59         return -ENOSYS;
  60 }
  61
  62 static inline int tegra_powergate_power_on(int id)
  63 {
  64         return -ENOSYS;
  65 }
  66
  67 static inline int tegra_powergate_power_off(int id)
  68 {
  69         return -ENOSYS;
  70 }
  71
  72 static inline int tegra_powergate_remove_clamping(int id)
  73 {
  74         return -ENOSYS;
  75 }
  76
  77 static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk)
  78 {
  79         return -ENOSYS;
  80 }
  81 #endif
  82
  83 #endif /* _MACH_TEGRA_POWERGATE_H_ */