tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 */
12#ifndef __QCOM_SCM_INT_H
13#define __QCOM_SCM_INT_H
14
15#define QCOM_SCM_SVC_BOOT 0x1
16#define QCOM_SCM_BOOT_ADDR 0x1
17#define QCOM_SCM_SET_DLOAD_MODE 0x10
18#define QCOM_SCM_BOOT_ADDR_MC 0x11
19#define QCOM_SCM_SET_REMOTE_STATE 0xa
20extern int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id);
21extern int __qcom_scm_set_dload_mode(struct device *dev, bool enable);
22
23#define QCOM_SCM_FLAG_HLOS 0x01
24#define QCOM_SCM_FLAG_COLDBOOT_MC 0x02
25#define QCOM_SCM_FLAG_WARMBOOT_MC 0x04
26extern int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
27 const cpumask_t *cpus);
28extern int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
29
30#define QCOM_SCM_CMD_TERMINATE_PC 0x2
31#define QCOM_SCM_FLUSH_FLAG_MASK 0x3
32#define QCOM_SCM_CMD_CORE_HOTPLUGGED 0x10
33extern void __qcom_scm_cpu_power_down(u32 flags);
34
35#define QCOM_SCM_SVC_IO 0x5
36#define QCOM_SCM_IO_READ 0x1
37#define QCOM_SCM_IO_WRITE 0x2
38extern int __qcom_scm_io_readl(struct device *dev, phys_addr_t addr, unsigned int *val);
39extern int __qcom_scm_io_writel(struct device *dev, phys_addr_t addr, unsigned int val);
40
41#define QCOM_SCM_SVC_INFO 0x6
42#define QCOM_IS_CALL_AVAIL_CMD 0x1
43extern int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
44 u32 cmd_id);
45
46#define QCOM_SCM_SVC_HDCP 0x11
47#define QCOM_SCM_CMD_HDCP 0x01
48extern int __qcom_scm_hdcp_req(struct device *dev,
49 struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp);
50
51extern void __qcom_scm_init(void);
52
53#define QCOM_SCM_SVC_PIL 0x2
54#define QCOM_SCM_PAS_INIT_IMAGE_CMD 0x1
55#define QCOM_SCM_PAS_MEM_SETUP_CMD 0x2
56#define QCOM_SCM_PAS_AUTH_AND_RESET_CMD 0x5
57#define QCOM_SCM_PAS_SHUTDOWN_CMD 0x6
58#define QCOM_SCM_PAS_IS_SUPPORTED_CMD 0x7
59#define QCOM_SCM_PAS_MSS_RESET 0xa
60extern bool __qcom_scm_pas_supported(struct device *dev, u32 peripheral);
61extern int __qcom_scm_pas_init_image(struct device *dev, u32 peripheral,
62 dma_addr_t metadata_phys);
63extern int __qcom_scm_pas_mem_setup(struct device *dev, u32 peripheral,
64 phys_addr_t addr, phys_addr_t size);
65extern int __qcom_scm_pas_auth_and_reset(struct device *dev, u32 peripheral);
66extern int __qcom_scm_pas_shutdown(struct device *dev, u32 peripheral);
67extern int __qcom_scm_pas_mss_reset(struct device *dev, bool reset);
68
69/* common error codes */
70#define QCOM_SCM_V2_EBUSY -12
71#define QCOM_SCM_ENOMEM -5
72#define QCOM_SCM_EOPNOTSUPP -4
73#define QCOM_SCM_EINVAL_ADDR -3
74#define QCOM_SCM_EINVAL_ARG -2
75#define QCOM_SCM_ERROR -1
76#define QCOM_SCM_INTERRUPTED 1
77
78static inline int qcom_scm_remap_error(int err)
79{
80 switch (err) {
81 case QCOM_SCM_ERROR:
82 return -EIO;
83 case QCOM_SCM_EINVAL_ADDR:
84 case QCOM_SCM_EINVAL_ARG:
85 return -EINVAL;
86 case QCOM_SCM_EOPNOTSUPP:
87 return -EOPNOTSUPP;
88 case QCOM_SCM_ENOMEM:
89 return -ENOMEM;
90 case QCOM_SCM_V2_EBUSY:
91 return -EBUSY;
92 }
93 return -EINVAL;
94}
95
96#define QCOM_SCM_SVC_MP 0xc
97#define QCOM_SCM_RESTORE_SEC_CFG 2
98extern int __qcom_scm_restore_sec_cfg(struct device *dev, u32 device_id,
99 u32 spare);
100#define QCOM_SCM_IOMMU_SECURE_PTBL_SIZE 3
101#define QCOM_SCM_IOMMU_SECURE_PTBL_INIT 4
102extern int __qcom_scm_iommu_secure_ptbl_size(struct device *dev, u32 spare,
103 size_t *size);
104extern int __qcom_scm_iommu_secure_ptbl_init(struct device *dev, u64 addr,
105 u32 size, u32 spare);
106#define QCOM_MEM_PROT_ASSIGN_ID 0x16
107extern int __qcom_scm_assign_mem(struct device *dev,
108 phys_addr_t mem_region, size_t mem_sz,
109 phys_addr_t src, size_t src_sz,
110 phys_addr_t dest, size_t dest_sz);
111
112#endif