include/linux/qcom_scm.h

   1 /* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
   2  * Copyright (C) 2015 Linaro Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 and
   6  * only version 2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13 #ifndef __QCOM_SCM_H
  14 #define __QCOM_SCM_H
  15
  16 extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
  17 extern int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
  18
  19 #define QCOM_SCM_HDCP_MAX_REQ_CNT       5
  20
  21 struct qcom_scm_hdcp_req {
  22         u32 addr;
  23         u32 val;
  24 };
  25
  26 extern bool qcom_scm_is_available(void);
  27
  28 extern bool qcom_scm_hdcp_available(void);
  29 extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
  30                 u32 *resp);
  31
  32 #define QCOM_SCM_CPU_PWR_DOWN_L2_ON     0x0
  33 #define QCOM_SCM_CPU_PWR_DOWN_L2_OFF    0x1
  34
  35 extern void qcom_scm_cpu_power_down(u32 flags);
  36
  37 #define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))
  38
  39 extern u32 qcom_scm_get_version(void);
  40
  41 #endif