diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2011-05-12 14:19:03 +0530 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-05-18 22:44:45 -0700 |
| commit | dbfa483300a34035c9b5de68e67bdad269817144 (patch) | |
| tree | f995b9c6a299f86ee0f2effe82404bca9027ca44 /arch/arm/mach-tegra/include | |
| parent | 05f8714bb4fe61f9bb5103429d270c89d4c40f55 (diff) | |
ARM: Tegra: Support to update edp zones
Tegra cpu-freq driver will now recognize edp zones
and cap the max cpu freq for that zone. The temperature
monitoring driver will be giving inputs to cpu-freq
on the current temperature which would be interpreted
by the cpu-freq driver appropriately.
Change-Id: I918eb31771aa7e1e1a5f25438edded727de6eb8c
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-on: http://git-master/r/31339
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Tested-by: Diwakar Tundlam <dtundlam@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/include')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/edp.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/edp.h b/arch/arm/mach-tegra/include/mach/edp.h new file mode 100644 index 000000000000..8401e20d35b9 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/edp.h @@ -0,0 +1,40 @@ +/* + * arch/arm/mach-tegra/include/mach/edp.h + * + * Copyright (c) 2011, NVIDIA Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __MACH_EDP_H +#define __MACH_EDP_H + +struct tegra_edp_limits { + int temperature; + unsigned int freq_limits[CONFIG_NR_CPUS]; +}; + +#ifdef CONFIG_TEGRA_EDP_LIMITS +int tegra_edp_update_thermal_zone(int temperature); +void tegra_init_cpu_edp_limits(const struct tegra_edp_limits *limits, int size); +#else +static inline void tegra_init_cpu_edp_limits( + const struct tegra_edp_limits *limits, int size) +{ } +static inline int tegra_edp_update_thermal_zone(int temperature) +{ return -1; } +#endif + +#endif /* __MACH_EDP_H */ |