soc15_common.h revision 1.2 1 /* $NetBSD: soc15_common.h,v 1.2 2021/12/18 23:44:59 riastradh Exp $ */
2
3 /*
4 * Copyright 2016 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25
26 #ifndef __SOC15_COMMON_H__
27 #define __SOC15_COMMON_H__
28
29 /* Register Access Macros */
30 #define SOC15_REG_OFFSET(ip, inst, reg) (adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
31
32 #define WREG32_FIELD15(ip, idx, reg, field, val) \
33 WREG32(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \
34 (RREG32(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg) \
35 & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
36
37 #define RREG32_SOC15(ip, inst, reg) \
38 RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
39
40 #define RREG32_SOC15_OFFSET(ip, inst, reg, offset) \
41 RREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset)
42
43 #define WREG32_SOC15(ip, inst, reg, value) \
44 WREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value)
45
46 #define WREG32_SOC15_NO_KIQ(ip, inst, reg, value) \
47 WREG32_NO_KIQ((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value)
48
49 #define WREG32_SOC15_OFFSET(ip, inst, reg, offset, value) \
50 WREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, value)
51
52 #define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask, ret) \
53 do { \
54 uint32_t old_ = 0; \
55 uint32_t tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
56 uint32_t loop = adev->usec_timeout; \
57 ret = 0; \
58 while ((tmp_ & (mask)) != (expected_value)) { \
59 if (old_ != tmp_) { \
60 loop = adev->usec_timeout; \
61 old_ = tmp_; \
62 } else \
63 udelay(1); \
64 tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
65 loop--; \
66 if (!loop) { \
67 DRM_WARN("Register(%d) [%s] failed to reach value 0x%08x != 0x%08x\n", \
68 inst, #reg, (unsigned)expected_value, (unsigned)(tmp_ & (mask))); \
69 ret = -ETIMEDOUT; \
70 break; \
71 } \
72 } \
73 } while (0)
74
75 #define AMDGPU_VIRT_SUPPORT_RLC_PRG_REG(a) (amdgpu_sriov_vf((a)) && !amdgpu_sriov_runtime((a)))
76 #define WREG32_RLC(reg, value) \
77 do { \
78 if (AMDGPU_VIRT_SUPPORT_RLC_PRG_REG(adev)) { \
79 uint32_t i = 0; \
80 uint32_t retries = 50000; \
81 uint32_t r0 = adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG0_BASE_IDX] + mmSCRATCH_REG0; \
82 uint32_t r1 = adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG1_BASE_IDX] + mmSCRATCH_REG1; \
83 uint32_t spare_int = adev->reg_offset[GC_HWIP][0][mmRLC_SPARE_INT_BASE_IDX] + mmRLC_SPARE_INT; \
84 WREG32(r0, value); \
85 WREG32(r1, (reg | 0x80000000)); \
86 WREG32(spare_int, 0x1); \
87 for (i = 0; i < retries; i++) { \
88 u32 tmp = RREG32(r1); \
89 if (!(tmp & 0x80000000)) \
90 break; \
91 udelay(10); \
92 } \
93 if (i >= retries) \
94 pr_err("timeout: rlcg program reg:0x%05x failed !\n", reg); \
95 } else { \
96 WREG32(reg, value); \
97 } \
98 } while (0)
99
100 #define WREG32_SOC15_RLC_SHADOW(ip, inst, reg, value) \
101 do { \
102 uint32_t target_reg = adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg;\
103 if (AMDGPU_VIRT_SUPPORT_RLC_PRG_REG(adev)) { \
104 uint32_t r2 = adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG1_BASE_IDX] + mmSCRATCH_REG2; \
105 uint32_t r3 = adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG1_BASE_IDX] + mmSCRATCH_REG3; \
106 uint32_t grbm_cntl = adev->reg_offset[GC_HWIP][0][mmGRBM_GFX_CNTL_BASE_IDX] + mmGRBM_GFX_CNTL; \
107 uint32_t grbm_idx = adev->reg_offset[GC_HWIP][0][mmGRBM_GFX_INDEX_BASE_IDX] + mmGRBM_GFX_INDEX; \
108 if (target_reg == grbm_cntl) \
109 WREG32(r2, value); \
110 else if (target_reg == grbm_idx) \
111 WREG32(r3, value); \
112 WREG32(target_reg, value); \
113 } else { \
114 WREG32(target_reg, value); \
115 } \
116 } while (0)
117
118 #define WREG32_SOC15_RLC(ip, inst, reg, value) \
119 do { \
120 uint32_t target_reg = adev->reg_offset[GC_HWIP][0][reg##_BASE_IDX] + reg;\
121 WREG32_RLC(target_reg, value); \
122 } while (0)
123
124 #define WREG32_FIELD15_RLC(ip, idx, reg, field, val) \
125 WREG32_RLC((adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg), \
126 (RREG32(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg) \
127 & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
128
129 #define WREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset, value) \
130 WREG32_RLC(((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset), value)
131
132 #endif
133