xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/soc15_common.h (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)
1  /*
2   * Copyright 2016 Advanced Micro Devices, Inc.
3   *
4   * Permission is hereby granted, free of charge, to any person obtaining a
5   * copy of this software and associated documentation files (the "Software"),
6   * to deal in the Software without restriction, including without limitation
7   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8   * and/or sell copies of the Software, and to permit persons to whom the
9   * Software is furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20   * OTHER DEALINGS IN THE SOFTWARE.
21   *
22   */
23  
24  #ifndef __SOC15_COMMON_H__
25  #define __SOC15_COMMON_H__
26  
27  /* GET_INST returns the physical instance corresponding to a logical instance */
28  #define GET_INST(ip, inst) \
29  	(adev->ip_map.logical_to_dev_inst ? \
30  	adev->ip_map.logical_to_dev_inst(adev, ip##_HWIP, inst) : inst)
31  #define GET_MASK(ip, mask) \
32  	(adev->ip_map.logical_to_dev_mask ? \
33  	adev->ip_map.logical_to_dev_mask(adev, ip##_HWIP, mask) : mask)
34  
35  /* Register Access Macros */
36  #define SOC15_REG_OFFSET(ip, inst, reg)	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
37  #define SOC15_REG_OFFSET1(ip, inst, reg, offset) \
38  	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + (reg)+(offset))
39  
40  #define __WREG32_SOC15_RLC__(reg, value, flag, hwip, inst) \
41  	((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.rlcg_reg_access_supported) ? \
42  	 amdgpu_sriov_wreg(adev, reg, value, flag, hwip, inst) : \
43  	 WREG32(reg, value))
44  
45  #define __RREG32_SOC15_RLC__(reg, flag, hwip, inst) \
46  	((amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs && adev->gfx.rlc.rlcg_reg_access_supported) ? \
47  	 amdgpu_sriov_rreg(adev, reg, flag, hwip, inst) : \
48  	 RREG32(reg))
49  
50  #define WREG32_FIELD15(ip, idx, reg, field, val)	\
51  	 __WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg,	\
52  				(__RREG32_SOC15_RLC__( \
53  					adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \
54  					0, ip##_HWIP, idx) & \
55  				~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \
56  			      0, ip##_HWIP, idx)
57  
58  #define WREG32_FIELD15_PREREG(ip, idx, reg_name, field, val)        \
59  	__WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][reg##reg_name##_BASE_IDX] + reg##reg_name,   \
60  			(__RREG32_SOC15_RLC__( \
61  					adev->reg_offset[ip##_HWIP][idx][reg##reg_name##_BASE_IDX] + reg##reg_name, \
62  					0, ip##_HWIP, idx) & \
63  					~REG_FIELD_MASK(reg_name, field)) | (val) << REG_FIELD_SHIFT(reg_name, field), \
64  			0, ip##_HWIP, idx)
65  
66  #define RREG32_SOC15(ip, inst, reg) \
67  	__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
68  			 0, ip##_HWIP, inst)
69  
70  #define RREG32_SOC15_IP(ip, reg) __RREG32_SOC15_RLC__(reg, 0, ip##_HWIP, 0)
71  
72  #define RREG32_SOC15_IP_NO_KIQ(ip, reg) __RREG32_SOC15_RLC__(reg, AMDGPU_REGS_NO_KIQ, ip##_HWIP, 0)
73  
74  #define RREG32_SOC15_NO_KIQ(ip, inst, reg) \
75  	__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
76  			 AMDGPU_REGS_NO_KIQ, ip##_HWIP, inst)
77  
78  #define RREG32_SOC15_OFFSET(ip, inst, reg, offset) \
79  	 __RREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + (reg)) + \
80  			 (offset), 0, ip##_HWIP, inst)
81  
82  #define WREG32_SOC15(ip, inst, reg, value) \
83  	 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), \
84  			  value, 0, ip##_HWIP, inst)
85  
86  #define WREG32_SOC15_IP(ip, reg, value) \
87  	 __WREG32_SOC15_RLC__(reg, value, 0, ip##_HWIP, 0)
88  
89  #define WREG32_SOC15_IP_NO_KIQ(ip, reg, value) \
90  	 __WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_NO_KIQ, ip##_HWIP, 0)
91  
92  #define WREG32_SOC15_NO_KIQ(ip, inst, reg, value) \
93  	__WREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
94  			     value, AMDGPU_REGS_NO_KIQ, ip##_HWIP, inst)
95  
96  #define WREG32_SOC15_OFFSET(ip, inst, reg, offset, value) \
97  	 __WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, \
98  			  value, 0, ip##_HWIP, inst)
99  
100  #define SOC15_WAIT_ON_RREG(ip, inst, reg, expected_value, mask)      \
101  	amdgpu_device_wait_on_rreg(adev, inst,                       \
102  	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + (reg)), \
103  	#reg, expected_value, mask)
104  
105  #define SOC15_WAIT_ON_RREG_OFFSET(ip, inst, reg, offset, expected_value, mask)  \
106  	amdgpu_device_wait_on_rreg(adev, inst,                                  \
107  	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + (reg) + (offset)), \
108  	#reg, expected_value, mask)
109  
110  #define WREG32_RLC(reg, value) \
111  	__WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_RLC, GC_HWIP, 0)
112  
113  #define WREG32_RLC_EX(prefix, reg, value, inst) \
114  	do {							\
115  		if (amdgpu_sriov_fullaccess(adev)) {    \
116  			uint32_t i = 0;	\
117  			uint32_t retries = 50000;	\
118  			uint32_t r0 = adev->reg_offset[GC_HWIP][inst][prefix##SCRATCH_REG0_BASE_IDX] + prefix##SCRATCH_REG0;	\
119  			uint32_t r1 = adev->reg_offset[GC_HWIP][inst][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG1;	\
120  			uint32_t spare_int = adev->reg_offset[GC_HWIP][inst][prefix##RLC_SPARE_INT_BASE_IDX] + prefix##RLC_SPARE_INT;	\
121  			WREG32(r0, value);	\
122  			WREG32(r1, (reg | 0x80000000));	\
123  			WREG32(spare_int, 0x1);	\
124  			for (i = 0; i < retries; i++) {	\
125  				u32 tmp = RREG32(r1);	\
126  				if (!(tmp & 0x80000000))	\
127  					break;	\
128  				udelay(10);	\
129  			}	\
130  			if (i >= retries)	\
131  				pr_err("timeout: rlcg program reg:0x%05x failed !\n", reg);	\
132  		} else {	\
133  			WREG32(reg, value); \
134  		}	\
135  	} while (0)
136  
137  /* shadow the registers in the callback function */
138  #define WREG32_SOC15_RLC_SHADOW(ip, inst, reg, value) \
139  	__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), value, AMDGPU_REGS_RLC, GC_HWIP, inst)
140  
141  /* for GC only */
142  #define RREG32_RLC(reg) \
143  	__RREG32_SOC15_RLC__(reg, AMDGPU_REGS_RLC, GC_HWIP)
144  
145  #define WREG32_RLC_NO_KIQ(reg, value, hwip) \
146  	__WREG32_SOC15_RLC__(reg, value, AMDGPU_REGS_NO_KIQ | AMDGPU_REGS_RLC, hwip, 0)
147  
148  #define RREG32_RLC_NO_KIQ(reg, hwip) \
149  	__RREG32_SOC15_RLC__(reg, AMDGPU_REGS_NO_KIQ | AMDGPU_REGS_RLC, hwip, 0)
150  
151  #define WREG32_SOC15_RLC_SHADOW_EX(prefix, ip, inst, reg, value) \
152  	do {							\
153  		uint32_t target_reg = adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg;\
154  		if (amdgpu_sriov_fullaccess(adev)) {    \
155  			uint32_t r2 = adev->reg_offset[GC_HWIP][inst][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG2;	\
156  			uint32_t r3 = adev->reg_offset[GC_HWIP][inst][prefix##SCRATCH_REG1_BASE_IDX] + prefix##SCRATCH_REG3;	\
157  			uint32_t grbm_cntl = adev->reg_offset[GC_HWIP][inst][prefix##GRBM_GFX_CNTL_BASE_IDX] + prefix##GRBM_GFX_CNTL;   \
158  			uint32_t grbm_idx = adev->reg_offset[GC_HWIP][inst][prefix##GRBM_GFX_INDEX_BASE_IDX] + prefix##GRBM_GFX_INDEX;   \
159  			if (target_reg == grbm_cntl) \
160  				WREG32(r2, value);	\
161  			else if (target_reg == grbm_idx) \
162  				WREG32(r3, value);	\
163  			WREG32(target_reg, value);	\
164  		} else {	\
165  			WREG32(target_reg, value); \
166  		}	\
167  	} while (0)
168  
169  #define RREG32_SOC15_RLC(ip, inst, reg) \
170  	__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, AMDGPU_REGS_RLC, ip##_HWIP, inst)
171  
172  #define WREG32_SOC15_RLC(ip, inst, reg, value) \
173  	do {							\
174  		uint32_t target_reg = adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg;\
175  		__WREG32_SOC15_RLC__(target_reg, value, AMDGPU_REGS_RLC, ip##_HWIP, inst); \
176  	} while (0)
177  
178  #define WREG32_SOC15_RLC_EX(prefix, ip, inst, reg, value) \
179  	do {							\
180  			uint32_t target_reg = adev->reg_offset[GC_HWIP][inst][reg##_BASE_IDX] + reg;\
181  			WREG32_RLC_EX(prefix, target_reg, value, inst); \
182  	} while (0)
183  
184  #define WREG32_FIELD15_RLC(ip, idx, reg, field, val)   \
185  	__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg), \
186  			     (__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][idx][mm##reg##_BASE_IDX] + mm##reg, \
187  						   AMDGPU_REGS_RLC, ip##_HWIP, idx) & \
188  			      ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field), \
189  			     AMDGPU_REGS_RLC, ip##_HWIP, idx)
190  
191  #define WREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset, value) \
192  	__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, value, AMDGPU_REGS_RLC, ip##_HWIP, inst)
193  
194  #define RREG32_SOC15_OFFSET_RLC(ip, inst, reg, offset) \
195  	__RREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset, AMDGPU_REGS_RLC, ip##_HWIP, inst)
196  
197  /* inst equals to ext for some IPs */
198  #define RREG32_SOC15_EXT(ip, inst, reg, ext) \
199  	RREG32_PCIE_EXT((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) * 4 \
200  			+ adev->asic_funcs->encode_ext_smn_addressing(ext)) \
201  
202  #define WREG32_SOC15_EXT(ip, inst, reg, ext, value) \
203  	WREG32_PCIE_EXT((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) * 4 \
204  			+ adev->asic_funcs->encode_ext_smn_addressing(ext), \
205  			value) \
206  
207  #endif
208