Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright 2024 NXP
4 */
5
6#ifndef _SCMI_IMX_H
7#define _SCMI_IMX_H
8
9#include <linux/bitfield.h>
10#include <linux/errno.h>
11#include <linux/scmi_imx_protocol.h>
12#include <linux/types.h>
13
14#define SCMI_IMX95_CTRL_PDM_CLK_SEL 0 /* AON PDM clock sel */
15#define SCMI_IMX95_CTRL_MQS1_SETTINGS 1 /* AON MQS settings */
16#define SCMI_IMX95_CTRL_SAI1_MCLK 2 /* AON SAI1 MCLK */
17#define SCMI_IMX95_CTRL_SAI3_MCLK 3 /* WAKE SAI3 MCLK */
18#define SCMI_IMX95_CTRL_SAI4_MCLK 4 /* WAKE SAI4 MCLK */
19#define SCMI_IMX95_CTRL_SAI5_MCLK 5 /* WAKE SAI5 MCLK */
20
21#define SCMI_IMX94_CTRL_PDM_CLK_SEL 0U /*!< AON PDM clock sel */
22#define SCMI_IMX94_CTRL_MQS1_SETTINGS 1U /*!< AON MQS settings */
23#define SCMI_IMX94_CTRL_MQS2_SETTINGS 2U /*!< WAKE MQS settings */
24#define SCMI_IMX94_CTRL_SAI1_MCLK 3U /*!< AON SAI1 MCLK */
25#define SCMI_IMX94_CTRL_SAI2_MCLK 4U /*!< WAKE SAI2 MCLK */
26#define SCMI_IMX94_CTRL_SAI3_MCLK 5U /*!< WAKE SAI3 MCLK */
27#define SCMI_IMX94_CTRL_SAI4_MCLK 6U /*!< WAKE SAI4 MCLK */
28
29#if IS_ENABLED(CONFIG_IMX_SCMI_MISC_DRV)
30int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val);
31int scmi_imx_misc_ctrl_set(u32 id, u32 val);
32#else
33static inline int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val)
34{
35 return -EOPNOTSUPP;
36}
37
38static inline int scmi_imx_misc_ctrl_set(u32 id, u32 val)
39{
40 return -EOPNOTSUPP;
41}
42#endif
43
44#if IS_ENABLED(CONFIG_IMX_SCMI_CPU_DRV)
45int scmi_imx_cpu_start(u32 cpuid, bool start);
46int scmi_imx_cpu_started(u32 cpuid, bool *started);
47int scmi_imx_cpu_reset_vector_set(u32 cpuid, u64 vector, bool start, bool boot,
48 bool resume);
49#else
50static inline int scmi_imx_cpu_start(u32 cpuid, bool start)
51{
52 return -EOPNOTSUPP;
53}
54
55static inline int scmi_imx_cpu_started(u32 cpuid, bool *started)
56{
57 return -EOPNOTSUPP;
58}
59
60static inline int scmi_imx_cpu_reset_vector_set(u32 cpuid, u64 vector, bool start,
61 bool boot, bool resume)
62{
63 return -EOPNOTSUPP;
64}
65#endif
66
67enum scmi_imx_lmm_op {
68 SCMI_IMX_LMM_BOOT,
69 SCMI_IMX_LMM_POWER_ON,
70 SCMI_IMX_LMM_SHUTDOWN,
71};
72
73/* For shutdown pperation */
74#define SCMI_IMX_LMM_OP_FORCEFUL 0
75#define SCMI_IMX_LMM_OP_GRACEFUL BIT(0)
76
77#if IS_ENABLED(CONFIG_IMX_SCMI_LMM_DRV)
78int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags);
79int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info);
80int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vector);
81#else
82static inline int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags)
83{
84 return -EOPNOTSUPP;
85}
86
87static inline int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info)
88{
89 return -EOPNOTSUPP;
90}
91
92static inline int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vector)
93{
94 return -EOPNOTSUPP;
95}
96#endif
97#endif