drivers/firmware/qcom_scm.h

   1 /* Copyright (c) 2010-2015, 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 #ifndef __QCOM_SCM_INT_H
  13 #define __QCOM_SCM_INT_H
  14
  15 #define QCOM_SCM_SVC_BOOT               0x1
  16 #define QCOM_SCM_BOOT_ADDR              0x1
  17 #define QCOM_SCM_BOOT_ADDR_MC           0x11
  18
  19 #define QCOM_SCM_FLAG_HLOS              0x01
  20 #define QCOM_SCM_FLAG_COLDBOOT_MC       0x02
  21 #define QCOM_SCM_FLAG_WARMBOOT_MC       0x04
  22 extern int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
  23                 const cpumask_t *cpus);
  24 extern int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
  25
  26 #define QCOM_SCM_CMD_TERMINATE_PC       0x2
  27 #define QCOM_SCM_FLUSH_FLAG_MASK        0x3
  28 #define QCOM_SCM_CMD_CORE_HOTPLUGGED    0x10
  29 extern void __qcom_scm_cpu_power_down(u32 flags);
  30
  31 #define QCOM_SCM_SVC_INFO               0x6
  32 #define QCOM_IS_CALL_AVAIL_CMD          0x1
  33 extern int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
  34                 u32 cmd_id);
  35
  36 #define QCOM_SCM_SVC_HDCP               0x11
  37 #define QCOM_SCM_CMD_HDCP               0x01
  38 extern int __qcom_scm_hdcp_req(struct device *dev,
  39                 struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp);
  40
  41 /* common error codes */
  42 #define QCOM_SCM_ENOMEM         -5
  43 #define QCOM_SCM_EOPNOTSUPP     -4
  44 #define QCOM_SCM_EINVAL_ADDR    -3
  45 #define QCOM_SCM_EINVAL_ARG     -2
  46 #define QCOM_SCM_ERROR          -1
  47 #define QCOM_SCM_INTERRUPTED    1
  48
  49 static inline int qcom_scm_remap_error(int err)
  50 {
  51         switch (err) {
  52         case QCOM_SCM_ERROR:
  53                 return -EIO;
  54         case QCOM_SCM_EINVAL_ADDR:
  55         case QCOM_SCM_EINVAL_ARG:
  56                 return -EINVAL;
  57         case QCOM_SCM_EOPNOTSUPP:
  58                 return -EOPNOTSUPP;
  59         case QCOM_SCM_ENOMEM:
  60                 return -ENOMEM;
  61         }
  62         return -EINVAL;
  63 }
  64
  65 #endif