xref: /linux/drivers/gpu/drm/xe/xe_pcode_api.h (revision b7e1e969c887c897947fdc3754fe9b0c24acb155)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2022 Intel Corporation
4  */
5 
6 /* Internal to xe_pcode */
7 
8 #include "regs/xe_reg_defs.h"
9 
10 #define PCODE_MAILBOX			XE_REG(0x138124)
11 #define   PCODE_READY			REG_BIT(31)
12 #define   PCODE_MB_PARAM2		REG_GENMASK(23, 16)
13 #define   PCODE_MB_PARAM1		REG_GENMASK(15, 8)
14 #define   PCODE_MB_COMMAND		REG_GENMASK(7, 0)
15 #define   PCODE_ERROR_MASK		0xFF
16 #define     PCODE_SUCCESS		0x0
17 #define     PCODE_ILLEGAL_CMD		0x1
18 #define     PCODE_TIMEOUT		0x2
19 #define     PCODE_ILLEGAL_DATA		0x3
20 #define     PCODE_ILLEGAL_SUBCOMMAND	0x4
21 #define     PCODE_LOCKED		0x6
22 #define     PCODE_GT_RATIO_OUT_OF_RANGE	0x10
23 #define     PCODE_REJECTED		0x11
24 
25 #define PCODE_DATA0			XE_REG(0x138128)
26 #define PCODE_DATA1			XE_REG(0x13812C)
27 
28 /* Min Freq QOS Table */
29 #define   PCODE_WRITE_MIN_FREQ_TABLE	0x8
30 #define   PCODE_READ_MIN_FREQ_TABLE	0x9
31 #define   PCODE_FREQ_RING_RATIO_SHIFT	16
32 
33 /* PCODE Init */
34 #define   DGFX_PCODE_STATUS		0x7E
35 #define     DGFX_GET_INIT_STATUS	0x0
36 #define     DGFX_INIT_STATUS_COMPLETE	0x1
37 
38 #define   PCODE_POWER_SETUP			0x7C
39 #define     POWER_SETUP_SUBCOMMAND_READ_I1	0x4
40 #define     POWER_SETUP_SUBCOMMAND_WRITE_I1	0x5
41 #define	    POWER_SETUP_I1_WATTS		REG_BIT(31)
42 #define	    POWER_SETUP_I1_SHIFT		6	/* 10.6 fixed point format */
43 #define	    POWER_SETUP_I1_DATA_MASK		REG_GENMASK(15, 0)
44 
45 #define   PCODE_FREQUENCY_CONFIG		0x6e
46 /* Frequency Config Sub Commands (param1) */
47 #define     PCODE_MBOX_FC_SC_READ_FUSED_P0	0x0
48 #define     PCODE_MBOX_FC_SC_READ_FUSED_PN	0x1
49 /* Domain IDs (param2) */
50 #define     PCODE_MBOX_DOMAIN_HBM		0x2
51 
52 struct pcode_err_decode {
53 	int errno;
54 	const char *str;
55 };
56 
57