linux/drivers/firmware/qcom_scm.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
   3 */
   4#ifndef __QCOM_SCM_INT_H
   5#define __QCOM_SCM_INT_H
   6
   7#define QCOM_SCM_SVC_BOOT               0x1
   8#define QCOM_SCM_BOOT_ADDR              0x1
   9#define QCOM_SCM_SET_DLOAD_MODE         0x10
  10#define QCOM_SCM_BOOT_ADDR_MC           0x11
  11#define QCOM_SCM_SET_REMOTE_STATE       0xa
  12extern int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id);
  13extern int __qcom_scm_set_dload_mode(struct device *dev, bool enable);
  14
  15#define QCOM_SCM_FLAG_HLOS              0x01
  16#define QCOM_SCM_FLAG_COLDBOOT_MC       0x02
  17#define QCOM_SCM_FLAG_WARMBOOT_MC       0x04
  18extern int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
  19                const cpumask_t *cpus);
  20extern int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
  21
  22#define QCOM_SCM_CMD_TERMINATE_PC       0x2
  23#define QCOM_SCM_FLUSH_FLAG_MASK        0x3
  24#define QCOM_SCM_CMD_CORE_HOTPLUGGED    0x10
  25extern void __qcom_scm_cpu_power_down(u32 flags);
  26
  27#define QCOM_SCM_SVC_IO                 0x5
  28#define QCOM_SCM_IO_READ                0x1
  29#define QCOM_SCM_IO_WRITE               0x2
  30extern int __qcom_scm_io_readl(struct device *dev, phys_addr_t addr, unsigned int *val);
  31extern int __qcom_scm_io_writel(struct device *dev, phys_addr_t addr, unsigned int val);
  32
  33#define QCOM_SCM_SVC_INFO               0x6
  34#define QCOM_IS_CALL_AVAIL_CMD          0x1
  35extern int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
  36                u32 cmd_id);
  37
  38#define QCOM_SCM_SVC_HDCP               0x11
  39#define QCOM_SCM_CMD_HDCP               0x01
  40extern int __qcom_scm_hdcp_req(struct device *dev,
  41                struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp);
  42
  43extern void __qcom_scm_init(void);
  44
  45#define QCOM_SCM_SVC_PIL                0x2
  46#define QCOM_SCM_PAS_INIT_IMAGE_CMD     0x1
  47#define QCOM_SCM_PAS_MEM_SETUP_CMD      0x2
  48#define QCOM_SCM_PAS_AUTH_AND_RESET_CMD 0x5
  49#define QCOM_SCM_PAS_SHUTDOWN_CMD       0x6
  50#define QCOM_SCM_PAS_IS_SUPPORTED_CMD   0x7
  51#define QCOM_SCM_PAS_MSS_RESET          0xa
  52extern bool __qcom_scm_pas_supported(struct device *dev, u32 peripheral);
  53extern int  __qcom_scm_pas_init_image(struct device *dev, u32 peripheral,
  54                dma_addr_t metadata_phys);
  55extern int  __qcom_scm_pas_mem_setup(struct device *dev, u32 peripheral,
  56                phys_addr_t addr, phys_addr_t size);
  57extern int  __qcom_scm_pas_auth_and_reset(struct device *dev, u32 peripheral);
  58extern int  __qcom_scm_pas_shutdown(struct device *dev, u32 peripheral);
  59extern int  __qcom_scm_pas_mss_reset(struct device *dev, bool reset);
  60
  61/* common error codes */
  62#define QCOM_SCM_V2_EBUSY       -12
  63#define QCOM_SCM_ENOMEM         -5
  64#define QCOM_SCM_EOPNOTSUPP     -4
  65#define QCOM_SCM_EINVAL_ADDR    -3
  66#define QCOM_SCM_EINVAL_ARG     -2
  67#define QCOM_SCM_ERROR          -1
  68#define QCOM_SCM_INTERRUPTED    1
  69
  70static inline int qcom_scm_remap_error(int err)
  71{
  72        switch (err) {
  73        case QCOM_SCM_ERROR:
  74                return -EIO;
  75        case QCOM_SCM_EINVAL_ADDR:
  76        case QCOM_SCM_EINVAL_ARG:
  77                return -EINVAL;
  78        case QCOM_SCM_EOPNOTSUPP:
  79                return -EOPNOTSUPP;
  80        case QCOM_SCM_ENOMEM:
  81                return -ENOMEM;
  82        case QCOM_SCM_V2_EBUSY:
  83                return -EBUSY;
  84        }
  85        return -EINVAL;
  86}
  87
  88#define QCOM_SCM_SVC_MP                 0xc
  89#define QCOM_SCM_RESTORE_SEC_CFG        2
  90extern int __qcom_scm_restore_sec_cfg(struct device *dev, u32 device_id,
  91                                      u32 spare);
  92#define QCOM_SCM_IOMMU_SECURE_PTBL_SIZE 3
  93#define QCOM_SCM_IOMMU_SECURE_PTBL_INIT 4
  94extern int __qcom_scm_iommu_secure_ptbl_size(struct device *dev, u32 spare,
  95                                             size_t *size);
  96extern int __qcom_scm_iommu_secure_ptbl_init(struct device *dev, u64 addr,
  97                                             u32 size, u32 spare);
  98#define QCOM_MEM_PROT_ASSIGN_ID 0x16
  99extern int  __qcom_scm_assign_mem(struct device *dev,
 100                                  phys_addr_t mem_region, size_t mem_sz,
 101                                  phys_addr_t src, size_t src_sz,
 102                                  phys_addr_t dest, size_t dest_sz);
 103
 104#endif
 105