xref: /linux/drivers/gpu/drm/i915/gt/intel_lrc_reg.h (revision f474808acb3c4b30552d9c59b181244e0300d218)
1 /*
2  * SPDX-License-Identifier: MIT
3  *
4  * Copyright © 2014-2018 Intel Corporation
5  */
6 
7 #ifndef _INTEL_LRC_REG_H_
8 #define _INTEL_LRC_REG_H_
9 
10 #include <linux/types.h>
11 
12 /* GEN8+ Reg State Context */
13 #define CTX_LRI_HEADER_0		0x01
14 #define CTX_CONTEXT_CONTROL		0x02
15 #define CTX_RING_HEAD			0x04
16 #define CTX_RING_TAIL			0x06
17 #define CTX_RING_BUFFER_START		0x08
18 #define CTX_RING_BUFFER_CONTROL		0x0a
19 #define CTX_BB_HEAD_U			0x0c
20 #define CTX_BB_HEAD_L			0x0e
21 #define CTX_BB_STATE			0x10
22 #define CTX_SECOND_BB_HEAD_U		0x12
23 #define CTX_SECOND_BB_HEAD_L		0x14
24 #define CTX_SECOND_BB_STATE		0x16
25 #define CTX_BB_PER_CTX_PTR		0x18
26 #define CTX_RCS_INDIRECT_CTX		0x1a
27 #define CTX_RCS_INDIRECT_CTX_OFFSET	0x1c
28 #define CTX_LRI_HEADER_1		0x21
29 #define CTX_CTX_TIMESTAMP		0x22
30 #define CTX_PDP3_UDW			0x24
31 #define CTX_PDP3_LDW			0x26
32 #define CTX_PDP2_UDW			0x28
33 #define CTX_PDP2_LDW			0x2a
34 #define CTX_PDP1_UDW			0x2c
35 #define CTX_PDP1_LDW			0x2e
36 #define CTX_PDP0_UDW			0x30
37 #define CTX_PDP0_LDW			0x32
38 #define CTX_LRI_HEADER_2		0x41
39 #define CTX_R_PWR_CLK_STATE		0x42
40 #define CTX_END				0x44
41 
42 #define CTX_REG(reg_state, pos, reg, val) do { \
43 	u32 *reg_state__ = (reg_state); \
44 	const u32 pos__ = (pos); \
45 	(reg_state__)[(pos__) + 0] = i915_mmio_reg_offset(reg); \
46 	(reg_state__)[(pos__) + 1] = (val); \
47 } while (0)
48 
49 #define ASSIGN_CTX_PDP(ppgtt, reg_state, n) do { \
50 	u32 *reg_state__ = (reg_state); \
51 	const u64 addr__ = i915_page_dir_dma_addr((ppgtt), (n)); \
52 	(reg_state__)[CTX_PDP ## n ## _UDW + 1] = upper_32_bits(addr__); \
53 	(reg_state__)[CTX_PDP ## n ## _LDW + 1] = lower_32_bits(addr__); \
54 } while (0)
55 
56 #define ASSIGN_CTX_PML4(ppgtt, reg_state) do { \
57 	u32 *reg_state__ = (reg_state); \
58 	const u64 addr__ = px_dma(ppgtt->pd); \
59 	(reg_state__)[CTX_PDP0_UDW + 1] = upper_32_bits(addr__); \
60 	(reg_state__)[CTX_PDP0_LDW + 1] = lower_32_bits(addr__); \
61 } while (0)
62 
63 #define GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT	0x17
64 #define GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT	0x26
65 #define GEN10_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT	0x19
66 #define GEN11_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT	0x1A
67 
68 #endif /* _INTEL_LRC_REG_H_ */
69