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Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_INTEL_PMC_IPC_H_
3#define _ASM_X86_INTEL_PMC_IPC_H_
4
5/* Commands */
6#define PMC_IPC_PMIC_ACCESS 0xFF
7#define PMC_IPC_PMIC_ACCESS_READ 0x0
8#define PMC_IPC_PMIC_ACCESS_WRITE 0x1
9#define PMC_IPC_USB_PWR_CTRL 0xF0
10#define PMC_IPC_PMIC_BLACKLIST_SEL 0xEF
11#define PMC_IPC_PHY_CONFIG 0xEE
12#define PMC_IPC_NORTHPEAK_CTRL 0xED
13#define PMC_IPC_PM_DEBUG 0xEC
14#define PMC_IPC_PMC_TELEMTRY 0xEB
15#define PMC_IPC_PMC_FW_MSG_CTRL 0xEA
16
17/* IPC return code */
18#define IPC_ERR_NONE 0
19#define IPC_ERR_CMD_NOT_SUPPORTED 1
20#define IPC_ERR_CMD_NOT_SERVICED 2
21#define IPC_ERR_UNABLE_TO_SERVICE 3
22#define IPC_ERR_CMD_INVALID 4
23#define IPC_ERR_CMD_FAILED 5
24#define IPC_ERR_EMSECURITY 6
25#define IPC_ERR_UNSIGNEDKERNEL 7
26
27/* GCR reg offsets from gcr base*/
28#define PMC_GCR_PMC_CFG_REG 0x08
29#define PMC_GCR_TELEM_DEEP_S0IX_REG 0x78
30#define PMC_GCR_TELEM_SHLW_S0IX_REG 0x80
31
32#if IS_ENABLED(CONFIG_INTEL_PMC_IPC)
33
34int intel_pmc_ipc_simple_command(int cmd, int sub);
35int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen,
36 u32 *out, u32 outlen, u32 dptr, u32 sptr);
37int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
38 u32 *out, u32 outlen);
39int intel_pmc_s0ix_counter_read(u64 *data);
40int intel_pmc_gcr_read(u32 offset, u32 *data);
41int intel_pmc_gcr_write(u32 offset, u32 data);
42int intel_pmc_gcr_update(u32 offset, u32 mask, u32 val);
43
44#else
45
46static inline int intel_pmc_ipc_simple_command(int cmd, int sub)
47{
48 return -EINVAL;
49}
50
51static inline int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen,
52 u32 *out, u32 outlen, u32 dptr, u32 sptr)
53{
54 return -EINVAL;
55}
56
57static inline int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
58 u32 *out, u32 outlen)
59{
60 return -EINVAL;
61}
62
63static inline int intel_pmc_s0ix_counter_read(u64 *data)
64{
65 return -EINVAL;
66}
67
68static inline int intel_pmc_gcr_read(u32 offset, u32 *data)
69{
70 return -EINVAL;
71}
72
73static inline int intel_pmc_gcr_write(u32 offset, u32 data)
74{
75 return -EINVAL;
76}
77
78static inline int intel_pmc_gcr_update(u32 offset, u32 mask, u32 val)
79{
80 return -EINVAL;
81}
82
83#endif /*CONFIG_INTEL_PMC_IPC*/
84
85#endif