LXR linux/drivers/firmware/qcom

   1/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
   2 *
   3 * This program is free software; you can redistribute it and/or modify
   4 * it under the terms of the GNU General Public License version 2 and
   5 * only version 2 as published by the Free Software Foundation.
   6 *
   7 * This program is distributed in the hope that it will be useful,
   8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 * GNU General Public License for more details.
  11 */
  12
  13#include <linux/io.h>
  14#include <linux/errno.h>
  15#include <linux/qcom_scm.h>
  16
  17/**
  18 * qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus
  19 * @entry: Entry point function for the cpus
  20 * @cpus: The cpumask of cpus that will use the entry point
  21 *
  22 * Set the cold boot address of the cpus. Any cpu outside the supported
  23 * range would be removed from the cpu present mask.
  24 */
  25int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus)
  26{
  27        return -ENOTSUPP;
  28}
  29
  30/**
  31 * qcom_scm_set_warm_boot_addr() - Set the warm boot address for cpus
  32 * @entry: Entry point function for the cpus
  33 * @cpus: The cpumask of cpus that will use the entry point
  34 *
  35 * Set the Linux entry point for the SCM to transfer control to when coming
  36 * out of a power down. CPU power down may be executed on cpuidle or hotplug.
  37 */
  38int __qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus)
  39{
  40        return -ENOTSUPP;
  41}
  42
  43/**
  44 * qcom_scm_cpu_power_down() - Power down the cpu
  45 * @flags - Flags to flush cache
  46 *
  47 * This is an end point to power down cpu. If there was a pending interrupt,
  48 * the control would return from this function, otherwise, the cpu jumps to the
  49 * warm boot entry point set for this cpu upon reset.
  50 */
  51void __qcom_scm_cpu_power_down(u32 flags)
  52{
  53}
  54
  55int __qcom_scm_is_call_available(u32 svc_id, u32 cmd_id)
  56{
  57        return -ENOTSUPP;
  58}
  59
  60int __qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp)
  61{
  62        return -ENOTSUPP;
  63}
  64