firmware: qcom: scm: Add support for ARM64 SoCs
[linux-2.6-block.git] / drivers / firmware / qcom_scm.h
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
22 extern int __qcom_scm_set_warm_boot_addr(struct device *dev, void *entry,
23                 const cpumask_t *cpus);
24 extern 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
29 extern void __qcom_scm_cpu_power_down(u32 flags);
30
31 #define QCOM_SCM_SVC_INFO               0x6
32 #define QCOM_IS_CALL_AVAIL_CMD          0x1
33 extern 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
38 extern int __qcom_scm_hdcp_req(struct device *dev,
39                 struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp);
40
41 extern void __qcom_scm_init(void);
42
43 /* common error codes */
44 #define QCOM_SCM_V2_EBUSY       -12
45 #define QCOM_SCM_ENOMEM         -5
46 #define QCOM_SCM_EOPNOTSUPP     -4
47 #define QCOM_SCM_EINVAL_ADDR    -3
48 #define QCOM_SCM_EINVAL_ARG     -2
49 #define QCOM_SCM_ERROR          -1
50 #define QCOM_SCM_INTERRUPTED    1
51
52 static inline int qcom_scm_remap_error(int err)
53 {
54         switch (err) {
55         case QCOM_SCM_ERROR:
56                 return -EIO;
57         case QCOM_SCM_EINVAL_ADDR:
58         case QCOM_SCM_EINVAL_ARG:
59                 return -EINVAL;
60         case QCOM_SCM_EOPNOTSUPP:
61                 return -EOPNOTSUPP;
62         case QCOM_SCM_ENOMEM:
63                 return -ENOMEM;
64         case QCOM_SCM_V2_EBUSY:
65                 return -EBUSY;
66         }
67         return -EINVAL;
68 }
69
70 #endif