1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_INTEL_PUNIT_IPC_H_
3 #define  _ASM_X86_INTEL_PUNIT_IPC_H_
4 
5 /*
6  * Three types of 8bit P-Unit IPC commands are supported,
7  * bit[7:6]: [00]: BIOS; [01]: GTD; [10]: ISPD.
8  */
9 typedef enum {
10 	BIOS_IPC = 0,
11 	GTDRIVER_IPC,
12 	ISPDRIVER_IPC,
13 	RESERVED_IPC,
14 } IPC_TYPE;
15 
16 #define IPC_TYPE_OFFSET			6
17 #define IPC_PUNIT_BIOS_CMD_BASE		(BIOS_IPC << IPC_TYPE_OFFSET)
18 #define IPC_PUNIT_GTD_CMD_BASE		(GTDDRIVER_IPC << IPC_TYPE_OFFSET)
19 #define IPC_PUNIT_ISPD_CMD_BASE		(ISPDRIVER_IPC << IPC_TYPE_OFFSET)
20 #define IPC_PUNIT_CMD_TYPE_MASK		(RESERVED_IPC << IPC_TYPE_OFFSET)
21 
22 /* BIOS => Pcode commands */
23 #define IPC_PUNIT_BIOS_ZERO			(IPC_PUNIT_BIOS_CMD_BASE | 0x00)
24 #define IPC_PUNIT_BIOS_VR_INTERFACE		(IPC_PUNIT_BIOS_CMD_BASE | 0x01)
25 #define IPC_PUNIT_BIOS_READ_PCS			(IPC_PUNIT_BIOS_CMD_BASE | 0x02)
26 #define IPC_PUNIT_BIOS_WRITE_PCS		(IPC_PUNIT_BIOS_CMD_BASE | 0x03)
27 #define IPC_PUNIT_BIOS_READ_PCU_CONFIG		(IPC_PUNIT_BIOS_CMD_BASE | 0x04)
28 #define IPC_PUNIT_BIOS_WRITE_PCU_CONFIG		(IPC_PUNIT_BIOS_CMD_BASE | 0x05)
29 #define IPC_PUNIT_BIOS_READ_PL1_SETTING		(IPC_PUNIT_BIOS_CMD_BASE | 0x06)
30 #define IPC_PUNIT_BIOS_WRITE_PL1_SETTING	(IPC_PUNIT_BIOS_CMD_BASE | 0x07)
31 #define IPC_PUNIT_BIOS_TRIGGER_VDD_RAM		(IPC_PUNIT_BIOS_CMD_BASE | 0x08)
32 #define IPC_PUNIT_BIOS_READ_TELE_INFO		(IPC_PUNIT_BIOS_CMD_BASE | 0x09)
33 #define IPC_PUNIT_BIOS_READ_TELE_TRACE_CTRL	(IPC_PUNIT_BIOS_CMD_BASE | 0x0a)
34 #define IPC_PUNIT_BIOS_WRITE_TELE_TRACE_CTRL	(IPC_PUNIT_BIOS_CMD_BASE | 0x0b)
35 #define IPC_PUNIT_BIOS_READ_TELE_EVENT_CTRL	(IPC_PUNIT_BIOS_CMD_BASE | 0x0c)
36 #define IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL	(IPC_PUNIT_BIOS_CMD_BASE | 0x0d)
37 #define IPC_PUNIT_BIOS_READ_TELE_TRACE		(IPC_PUNIT_BIOS_CMD_BASE | 0x0e)
38 #define IPC_PUNIT_BIOS_WRITE_TELE_TRACE		(IPC_PUNIT_BIOS_CMD_BASE | 0x0f)
39 #define IPC_PUNIT_BIOS_READ_TELE_EVENT		(IPC_PUNIT_BIOS_CMD_BASE | 0x10)
40 #define IPC_PUNIT_BIOS_WRITE_TELE_EVENT		(IPC_PUNIT_BIOS_CMD_BASE | 0x11)
41 #define IPC_PUNIT_BIOS_READ_MODULE_TEMP		(IPC_PUNIT_BIOS_CMD_BASE | 0x12)
42 #define IPC_PUNIT_BIOS_RESERVED			(IPC_PUNIT_BIOS_CMD_BASE | 0x13)
43 #define IPC_PUNIT_BIOS_READ_VOLTAGE_OVER	(IPC_PUNIT_BIOS_CMD_BASE | 0x14)
44 #define IPC_PUNIT_BIOS_WRITE_VOLTAGE_OVER	(IPC_PUNIT_BIOS_CMD_BASE | 0x15)
45 #define IPC_PUNIT_BIOS_READ_RATIO_OVER		(IPC_PUNIT_BIOS_CMD_BASE | 0x16)
46 #define IPC_PUNIT_BIOS_WRITE_RATIO_OVER		(IPC_PUNIT_BIOS_CMD_BASE | 0x17)
47 #define IPC_PUNIT_BIOS_READ_VF_GL_CTRL		(IPC_PUNIT_BIOS_CMD_BASE | 0x18)
48 #define IPC_PUNIT_BIOS_WRITE_VF_GL_CTRL		(IPC_PUNIT_BIOS_CMD_BASE | 0x19)
49 #define IPC_PUNIT_BIOS_READ_FM_SOC_TEMP_THRESH	(IPC_PUNIT_BIOS_CMD_BASE | 0x1a)
50 #define IPC_PUNIT_BIOS_WRITE_FM_SOC_TEMP_THRESH	(IPC_PUNIT_BIOS_CMD_BASE | 0x1b)
51 
52 /* GT Driver => Pcode commands */
53 #define IPC_PUNIT_GTD_ZERO			(IPC_PUNIT_GTD_CMD_BASE | 0x00)
54 #define IPC_PUNIT_GTD_CONFIG			(IPC_PUNIT_GTD_CMD_BASE | 0x01)
55 #define IPC_PUNIT_GTD_READ_ICCP_LIC_CDYN_SCAL	(IPC_PUNIT_GTD_CMD_BASE | 0x02)
56 #define IPC_PUNIT_GTD_WRITE_ICCP_LIC_CDYN_SCAL	(IPC_PUNIT_GTD_CMD_BASE | 0x03)
57 #define IPC_PUNIT_GTD_GET_WM_VAL		(IPC_PUNIT_GTD_CMD_BASE | 0x06)
58 #define IPC_PUNIT_GTD_WRITE_CONFIG_WISHREQ	(IPC_PUNIT_GTD_CMD_BASE | 0x07)
59 #define IPC_PUNIT_GTD_READ_REQ_DUTY_CYCLE	(IPC_PUNIT_GTD_CMD_BASE | 0x16)
60 #define IPC_PUNIT_GTD_DIS_VOL_FREQ_CHG_REQUEST	(IPC_PUNIT_GTD_CMD_BASE | 0x17)
61 #define IPC_PUNIT_GTD_DYNA_DUTY_CYCLE_CTRL	(IPC_PUNIT_GTD_CMD_BASE | 0x1a)
62 #define IPC_PUNIT_GTD_DYNA_DUTY_CYCLE_TUNING	(IPC_PUNIT_GTD_CMD_BASE | 0x1c)
63 
64 /* ISP Driver => Pcode commands */
65 #define IPC_PUNIT_ISPD_ZERO			(IPC_PUNIT_ISPD_CMD_BASE | 0x00)
66 #define IPC_PUNIT_ISPD_CONFIG			(IPC_PUNIT_ISPD_CMD_BASE | 0x01)
67 #define IPC_PUNIT_ISPD_GET_ISP_LTR_VAL		(IPC_PUNIT_ISPD_CMD_BASE | 0x02)
68 #define IPC_PUNIT_ISPD_ACCESS_IU_FREQ_BOUNDS	(IPC_PUNIT_ISPD_CMD_BASE | 0x03)
69 #define IPC_PUNIT_ISPD_READ_CDYN_LEVEL		(IPC_PUNIT_ISPD_CMD_BASE | 0x04)
70 #define IPC_PUNIT_ISPD_WRITE_CDYN_LEVEL		(IPC_PUNIT_ISPD_CMD_BASE | 0x05)
71 
72 /* Error codes */
73 #define IPC_PUNIT_ERR_SUCCESS			0
74 #define IPC_PUNIT_ERR_INVALID_CMD		1
75 #define IPC_PUNIT_ERR_INVALID_PARAMETER		2
76 #define IPC_PUNIT_ERR_CMD_TIMEOUT		3
77 #define IPC_PUNIT_ERR_CMD_LOCKED		4
78 #define IPC_PUNIT_ERR_INVALID_VR_ID		5
79 #define IPC_PUNIT_ERR_VR_ERR			6
80 
81 #if IS_ENABLED(CONFIG_INTEL_PUNIT_IPC)
82 
83 int intel_punit_ipc_simple_command(int cmd, int para1, int para2);
84 int intel_punit_ipc_command(u32 cmd, u32 para1, u32 para2, u32 *in, u32 *out);
85 
86 #else
87 
88 static inline int intel_punit_ipc_simple_command(int cmd,
89 						  int para1, int para2)
90 {
91 	return -ENODEV;
92 }
93 
94 static inline int intel_punit_ipc_command(u32 cmd, u32 para1, u32 para2,
95 					  u32 *in, u32 *out)
96 {
97 	return -ENODEV;
98 }
99 
100 #endif /* CONFIG_INTEL_PUNIT_IPC */
101 
102 #endif
103