tegrakernel/kernel/nvidia/include/linux/tegra-cpufreq.h

35 lines
1.1 KiB
C

/*
* Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _LINUX_TEGRA_CPUFREQ_H
#define _LINUX_TEGRA_CPUFREQ_H
enum tegra_cpufreq_msg_ids {
TEGRA_CPU_FREQ_THROTTLE,
TEGRA_CPU_FREQ_SET_RATE,
TEGRA_CPU_FREQ_GET_RATE,
MAX_IVC_MSG_ID,
};
int parse_hv_dt_data(struct device_node *dn);
int parse_t194_cpufreq_hv_dt(struct device_node *dn);
bool hv_is_set_speed_supported(void);
void tegra_update_cpu_speed_hv(uint32_t rate, uint8_t cpu);
uint32_t t194_get_cpu_speed_hv(uint32_t cpu);
void t194_update_cpu_speed_hv(uint32_t rate, uint32_t cpu);
#endif