Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame] | 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 | */ |
| 25 | int __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 | */ |
| 38 | int __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 | */ |
| 51 | void __qcom_scm_cpu_power_down(u32 flags) |
| 52 | { |
| 53 | } |
| 54 | |
| 55 | int __qcom_scm_is_call_available(u32 svc_id, u32 cmd_id) |
| 56 | { |
| 57 | return -ENOTSUPP; |
| 58 | } |
| 59 | |
| 60 | int __qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp) |
| 61 | { |
| 62 | return -ENOTSUPP; |
| 63 | } |