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_BOOT_ADDR_MC 0x11
18
19#define QCOM_SCM_FLAG_HLOS 0x01
20#define QCOM_SCM_FLAG_COLDBOOT_MC 0x02
21#define QCOM_SCM_FLAG_WARMBOOT_MC 0x04
22extern int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
23 const cpumask_t *cpus);
24extern int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
25
26#define QCOM_SCM_CMD_TERMINATE_PC 0x2
27#define QCOM_SCM_FLUSH_FLAG_MASK 0x3
28#define QCOM_SCM_CMD_CORE_HOTPLUGGED 0x10
29extern void __qcom_scm_cpu_power_down(u32 flags);
30
31#define QCOM_SCM_SVC_INFO 0x6
32#define QCOM_IS_CALL_AVAIL_CMD 0x1
33extern int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
34 u32 cmd_id);
35
36#define QCOM_SCM_SVC_HDCP 0x11
37#define QCOM_SCM_CMD_HDCP 0x01
38extern int __qcom_scm_hdcp_req(struct device *dev,
39 struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp);
40
41extern void __qcom_scm_init(void);
42
43#define QCOM_SCM_SVC_PIL 0x2
44#define QCOM_SCM_PAS_INIT_IMAGE_CMD 0x1
45#define QCOM_SCM_PAS_MEM_SETUP_CMD 0x2
46#define QCOM_SCM_PAS_AUTH_AND_RESET_CMD 0x5
47#define QCOM_SCM_PAS_SHUTDOWN_CMD 0x6
48#define QCOM_SCM_PAS_IS_SUPPORTED_CMD 0x7
49#define QCOM_SCM_PAS_MSS_RESET 0xa
50extern bool __qcom_scm_pas_supported(struct device *dev, u32 peripheral);
51extern int __qcom_scm_pas_init_image(struct device *dev, u32 peripheral,
52 dma_addr_t metadata_phys);
53extern int __qcom_scm_pas_mem_setup(struct device *dev, u32 peripheral,
54 phys_addr_t addr, phys_addr_t size);
55extern int __qcom_scm_pas_auth_and_reset(struct device *dev, u32 peripheral);
56extern int __qcom_scm_pas_shutdown(struct device *dev, u32 peripheral);
57extern int __qcom_scm_pas_mss_reset(struct device *dev, bool reset);
58
59/* common error codes */
60#define QCOM_SCM_V2_EBUSY -12
61#define QCOM_SCM_ENOMEM -5
62#define QCOM_SCM_EOPNOTSUPP -4
63#define QCOM_SCM_EINVAL_ADDR -3
64#define QCOM_SCM_EINVAL_ARG -2
65#define QCOM_SCM_ERROR -1
66#define QCOM_SCM_INTERRUPTED 1
67
68static inline int qcom_scm_remap_error(int err)
69{
70 switch (err) {
71 case QCOM_SCM_ERROR:
72 return -EIO;
73 case QCOM_SCM_EINVAL_ADDR:
74 case QCOM_SCM_EINVAL_ARG:
75 return -EINVAL;
76 case QCOM_SCM_EOPNOTSUPP:
77 return -EOPNOTSUPP;
78 case QCOM_SCM_ENOMEM:
79 return -ENOMEM;
80 case QCOM_SCM_V2_EBUSY:
81 return -EBUSY;
82 }
83 return -EINVAL;
84}
85
86#endif