xref: /openbmc/linux/drivers/firmware/qcom_scm.h (revision 6f69e2a3)
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
12 extern int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id);
13 extern 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
18 extern int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
19 		const cpumask_t *cpus);
20 extern 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
25 extern 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
30 extern int __qcom_scm_io_readl(struct device *dev, phys_addr_t addr, unsigned int *val);
31 extern 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
35 extern 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
40 extern int __qcom_scm_hdcp_req(struct device *dev,
41 		struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp);
42 
43 extern void __qcom_scm_init(void);
44 
45 #define QCOM_SCM_OCMEM_SVC			0xf
46 #define QCOM_SCM_OCMEM_LOCK_CMD		0x1
47 #define QCOM_SCM_OCMEM_UNLOCK_CMD		0x2
48 
49 extern int __qcom_scm_ocmem_lock(struct device *dev, u32 id, u32 offset,
50 				 u32 size, u32 mode);
51 extern int __qcom_scm_ocmem_unlock(struct device *dev, u32 id, u32 offset,
52 				   u32 size);
53 
54 #define QCOM_SCM_SVC_PIL		0x2
55 #define QCOM_SCM_PAS_INIT_IMAGE_CMD	0x1
56 #define QCOM_SCM_PAS_MEM_SETUP_CMD	0x2
57 #define QCOM_SCM_PAS_AUTH_AND_RESET_CMD	0x5
58 #define QCOM_SCM_PAS_SHUTDOWN_CMD	0x6
59 #define QCOM_SCM_PAS_IS_SUPPORTED_CMD	0x7
60 #define QCOM_SCM_PAS_MSS_RESET		0xa
61 extern bool __qcom_scm_pas_supported(struct device *dev, u32 peripheral);
62 extern int  __qcom_scm_pas_init_image(struct device *dev, u32 peripheral,
63 		dma_addr_t metadata_phys);
64 extern int  __qcom_scm_pas_mem_setup(struct device *dev, u32 peripheral,
65 		phys_addr_t addr, phys_addr_t size);
66 extern int  __qcom_scm_pas_auth_and_reset(struct device *dev, u32 peripheral);
67 extern int  __qcom_scm_pas_shutdown(struct device *dev, u32 peripheral);
68 extern int  __qcom_scm_pas_mss_reset(struct device *dev, bool reset);
69 
70 /* common error codes */
71 #define QCOM_SCM_V2_EBUSY	-12
72 #define QCOM_SCM_ENOMEM		-5
73 #define QCOM_SCM_EOPNOTSUPP	-4
74 #define QCOM_SCM_EINVAL_ADDR	-3
75 #define QCOM_SCM_EINVAL_ARG	-2
76 #define QCOM_SCM_ERROR		-1
77 #define QCOM_SCM_INTERRUPTED	1
78 
79 static inline int qcom_scm_remap_error(int err)
80 {
81 	switch (err) {
82 	case QCOM_SCM_ERROR:
83 		return -EIO;
84 	case QCOM_SCM_EINVAL_ADDR:
85 	case QCOM_SCM_EINVAL_ARG:
86 		return -EINVAL;
87 	case QCOM_SCM_EOPNOTSUPP:
88 		return -EOPNOTSUPP;
89 	case QCOM_SCM_ENOMEM:
90 		return -ENOMEM;
91 	case QCOM_SCM_V2_EBUSY:
92 		return -EBUSY;
93 	}
94 	return -EINVAL;
95 }
96 
97 #define QCOM_SCM_SVC_MP			0xc
98 #define QCOM_SCM_RESTORE_SEC_CFG	2
99 extern int __qcom_scm_restore_sec_cfg(struct device *dev, u32 device_id,
100 				      u32 spare);
101 #define QCOM_SCM_IOMMU_SECURE_PTBL_SIZE	3
102 #define QCOM_SCM_IOMMU_SECURE_PTBL_INIT	4
103 #define QCOM_SCM_SVC_SMMU_PROGRAM	0x15
104 #define QCOM_SCM_CONFIG_ERRATA1		0x3
105 #define QCOM_SCM_CONFIG_ERRATA1_CLIENT_ALL	0x2
106 extern int __qcom_scm_iommu_secure_ptbl_size(struct device *dev, u32 spare,
107 					     size_t *size);
108 extern int __qcom_scm_iommu_secure_ptbl_init(struct device *dev, u64 addr,
109 					     u32 size, u32 spare);
110 extern int __qcom_scm_qsmmu500_wait_safe_toggle(struct device *dev,
111 						bool enable);
112 #define QCOM_MEM_PROT_ASSIGN_ID	0x16
113 extern int  __qcom_scm_assign_mem(struct device *dev,
114 				  phys_addr_t mem_region, size_t mem_sz,
115 				  phys_addr_t src, size_t src_sz,
116 				  phys_addr_t dest, size_t dest_sz);
117 
118 #endif
119