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review.trustedfirmware.org / hafnium / third_party / linux.git / 0f672f6c0b52b7b0700b0915c72b540721af4465 / . / drivers / firmware / qcom_scm.h
blob: 99506bd873c0177897bf22320686a2ccc1643471 [file] [log] [blame]
David Brazdil0f672f62019-12-10 10:32:29 +0000[diff] [blame^]1/* SPDX-License-Identifier: GPL-2.0-only */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]2/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]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