1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* Copyright (c) 2010-2015, 2018-2019 The Linux Foundation. All rights reserved. 3 * Copyright (C) 2015 Linaro Ltd. 4 */ 5 #ifndef __QCOM_SCM_H 6 #define __QCOM_SCM_H 7 8 #include <linux/err.h> 9 #include <linux/types.h> 10 #include <linux/cpumask.h> 11 12 #include <dt-bindings/firmware/qcom,scm.h> 13 14 #define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF)) 15 #define QCOM_SCM_CPU_PWR_DOWN_L2_ON 0x0 16 #define QCOM_SCM_CPU_PWR_DOWN_L2_OFF 0x1 17 #define QCOM_SCM_HDCP_MAX_REQ_CNT 5 18 19 struct qcom_scm_hdcp_req { 20 u32 addr; 21 u32 val; 22 }; 23 24 struct qcom_scm_vmperm { 25 int vmid; 26 int perm; 27 }; 28 29 enum qcom_scm_ocmem_client { 30 QCOM_SCM_OCMEM_UNUSED_ID = 0x0, 31 QCOM_SCM_OCMEM_GRAPHICS_ID, 32 QCOM_SCM_OCMEM_VIDEO_ID, 33 QCOM_SCM_OCMEM_LP_AUDIO_ID, 34 QCOM_SCM_OCMEM_SENSORS_ID, 35 QCOM_SCM_OCMEM_OTHER_OS_ID, 36 QCOM_SCM_OCMEM_DEBUG_ID, 37 }; 38 39 enum qcom_scm_sec_dev_id { 40 QCOM_SCM_MDSS_DEV_ID = 1, 41 QCOM_SCM_OCMEM_DEV_ID = 5, 42 QCOM_SCM_PCIE0_DEV_ID = 11, 43 QCOM_SCM_PCIE1_DEV_ID = 12, 44 QCOM_SCM_GFX_DEV_ID = 18, 45 QCOM_SCM_UFS_DEV_ID = 19, 46 QCOM_SCM_ICE_DEV_ID = 20, 47 }; 48 49 enum qcom_scm_ice_cipher { 50 QCOM_SCM_ICE_CIPHER_AES_128_XTS = 0, 51 QCOM_SCM_ICE_CIPHER_AES_128_CBC = 1, 52 QCOM_SCM_ICE_CIPHER_AES_256_XTS = 3, 53 QCOM_SCM_ICE_CIPHER_AES_256_CBC = 4, 54 }; 55 56 #define QCOM_SCM_PERM_READ 0x4 57 #define QCOM_SCM_PERM_WRITE 0x2 58 #define QCOM_SCM_PERM_EXEC 0x1 59 #define QCOM_SCM_PERM_RW (QCOM_SCM_PERM_READ | QCOM_SCM_PERM_WRITE) 60 #define QCOM_SCM_PERM_RWX (QCOM_SCM_PERM_RW | QCOM_SCM_PERM_EXEC) 61 62 extern bool qcom_scm_is_available(void); 63 64 extern int qcom_scm_set_cold_boot_addr(void *entry); 65 extern int qcom_scm_set_warm_boot_addr(void *entry); 66 extern void qcom_scm_cpu_power_down(u32 flags); 67 extern int qcom_scm_set_remote_state(u32 state, u32 id); 68 69 struct qcom_scm_pas_metadata { 70 void *ptr; 71 dma_addr_t phys; 72 ssize_t size; 73 }; 74 75 extern int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, 76 size_t size, 77 struct qcom_scm_pas_metadata *ctx); 78 extern void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx); 79 extern int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, 80 phys_addr_t size); 81 extern int qcom_scm_pas_auth_and_reset(u32 peripheral); 82 extern int qcom_scm_pas_shutdown(u32 peripheral); 83 extern bool qcom_scm_pas_supported(u32 peripheral); 84 85 extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val); 86 extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val); 87 88 extern bool qcom_scm_restore_sec_cfg_available(void); 89 extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare); 90 extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size); 91 extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare); 92 extern int qcom_scm_iommu_set_cp_pool_size(u32 spare, u32 size); 93 extern int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, 94 u32 cp_nonpixel_start, 95 u32 cp_nonpixel_size); 96 extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, 97 u64 *src, 98 const struct qcom_scm_vmperm *newvm, 99 unsigned int dest_cnt); 100 101 extern bool qcom_scm_ocmem_lock_available(void); 102 extern int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset, 103 u32 size, u32 mode); 104 extern int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, u32 offset, 105 u32 size); 106 107 extern bool qcom_scm_ice_available(void); 108 extern int qcom_scm_ice_invalidate_key(u32 index); 109 extern int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size, 110 enum qcom_scm_ice_cipher cipher, 111 u32 data_unit_size); 112 113 extern bool qcom_scm_hdcp_available(void); 114 extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, 115 u32 *resp); 116 117 extern int qcom_scm_iommu_set_pt_format(u32 sec_id, u32 ctx_num, u32 pt_fmt); 118 extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en); 119 120 extern int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val, 121 u64 limit_node, u32 node_id, u64 version); 122 extern int qcom_scm_lmh_profile_change(u32 profile_id); 123 extern bool qcom_scm_lmh_dcvsh_available(void); 124 125 #endif 126