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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2010-2015, 2018-2019 The Linux Foundation. All rights reserved.
* Copyright (C) 2015 Linaro Ltd.
*/
#ifndef __QCOM_SCM_H
#define __QCOM_SCM_H
#include <linux/err.h>
#include <linux/types.h>
#include <linux/cpumask.h>
#define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))
#define QCOM_SCM_CPU_PWR_DOWN_L2_ON 0x0
#define QCOM_SCM_CPU_PWR_DOWN_L2_OFF 0x1
#define QCOM_SCM_HDCP_MAX_REQ_CNT 5
struct qcom_scm_hdcp_req {
u32 addr;
u32 val;
};
struct qcom_scm_vmperm {
int vmid;
int perm;
};
enum qcom_scm_ocmem_client {
QCOM_SCM_OCMEM_UNUSED_ID = 0x0,
QCOM_SCM_OCMEM_GRAPHICS_ID,
QCOM_SCM_OCMEM_VIDEO_ID,
QCOM_SCM_OCMEM_LP_AUDIO_ID,
QCOM_SCM_OCMEM_SENSORS_ID,
QCOM_SCM_OCMEM_OTHER_OS_ID,
QCOM_SCM_OCMEM_DEBUG_ID,
};
enum qcom_scm_sec_dev_id {
QCOM_SCM_MDSS_DEV_ID = 1,
QCOM_SCM_OCMEM_DEV_ID = 5,
QCOM_SCM_PCIE0_DEV_ID = 11,
QCOM_SCM_PCIE1_DEV_ID = 12,
QCOM_SCM_GFX_DEV_ID = 18,
QCOM_SCM_UFS_DEV_ID = 19,
QCOM_SCM_ICE_DEV_ID = 20,
};
enum qcom_scm_ice_cipher {
QCOM_SCM_ICE_CIPHER_AES_128_XTS = 0,
QCOM_SCM_ICE_CIPHER_AES_128_CBC = 1,
QCOM_SCM_ICE_CIPHER_AES_256_XTS = 3,
QCOM_SCM_ICE_CIPHER_AES_256_CBC = 4,
};
#define QCOM_SCM_VMID_HLOS 0x3
#define QCOM_SCM_VMID_MSS_MSA 0xF
#define QCOM_SCM_VMID_WLAN 0x18
#define QCOM_SCM_VMID_WLAN_CE 0x19
#define QCOM_SCM_PERM_READ 0x4
#define QCOM_SCM_PERM_WRITE 0x2
#define QCOM_SCM_PERM_EXEC 0x1
#define QCOM_SCM_PERM_RW (QCOM_SCM_PERM_READ | QCOM_SCM_PERM_WRITE)
#define QCOM_SCM_PERM_RWX (QCOM_SCM_PERM_RW | QCOM_SCM_PERM_EXEC)
extern bool qcom_scm_is_available(void);
extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
extern int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
extern void qcom_scm_cpu_power_down(u32 flags);
extern int qcom_scm_set_remote_state(u32 state, u32 id);
extern int qcom_scm_pas_init_image(u32 peripheral, const void *metadata,
size_t size);
extern int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr,
phys_addr_t size);
extern int qcom_scm_pas_auth_and_reset(u32 peripheral);
extern int qcom_scm_pas_shutdown(u32 peripheral);
extern bool qcom_scm_pas_supported(u32 peripheral);
extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val);
extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val);
extern bool qcom_scm_restore_sec_cfg_available(void);
extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare);
extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size);
extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare);
extern int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size,
u32 cp_nonpixel_start,
u32 cp_nonpixel_size);
extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
unsigned int *src,
const struct qcom_scm_vmperm *newvm,
unsigned int dest_cnt);
extern bool qcom_scm_ocmem_lock_available(void);
extern int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset,
u32 size, u32 mode);
extern int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, u32 offset,
u32 size);
extern bool qcom_scm_ice_available(void);
extern int qcom_scm_ice_invalidate_key(u32 index);
extern int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size,
enum qcom_scm_ice_cipher cipher,
u32 data_unit_size);
extern bool qcom_scm_hdcp_available(void);
extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp);
extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en);
extern int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
u64 limit_node, u32 node_id, u64 version);
extern int qcom_scm_lmh_profile_change(u32 profile_id);
extern bool qcom_scm_lmh_dcvsh_available(void);
#endif
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