xref: /openbmc/linux/drivers/firmware/qcom_scm.h (revision 20e2fc42)
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_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
52 extern bool __qcom_scm_pas_supported(struct device *dev, u32 peripheral);
53 extern int  __qcom_scm_pas_init_image(struct device *dev, u32 peripheral,
54 		dma_addr_t metadata_phys);
55 extern int  __qcom_scm_pas_mem_setup(struct device *dev, u32 peripheral,
56 		phys_addr_t addr, phys_addr_t size);
57 extern int  __qcom_scm_pas_auth_and_reset(struct device *dev, u32 peripheral);
58 extern int  __qcom_scm_pas_shutdown(struct device *dev, u32 peripheral);
59 extern 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 
70 static 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
90 extern 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
94 extern int __qcom_scm_iommu_secure_ptbl_size(struct device *dev, u32 spare,
95 					     size_t *size);
96 extern 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
99 extern 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