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 #include <linux/delay.h>
25 #include <linux/firmware.h>
26 #include <linux/module.h>
27 #include <linux/pci.h>
28 
29 #include "amdgpu.h"
30 #include "amdgpu_ucode.h"
31 #include "amdgpu_trace.h"
32 
33 #include "sdma0/sdma0_4_2_offset.h"
34 #include "sdma0/sdma0_4_2_sh_mask.h"
35 #include "sdma1/sdma1_4_2_offset.h"
36 #include "sdma1/sdma1_4_2_sh_mask.h"
37 #include "sdma2/sdma2_4_2_2_offset.h"
38 #include "sdma2/sdma2_4_2_2_sh_mask.h"
39 #include "sdma3/sdma3_4_2_2_offset.h"
40 #include "sdma3/sdma3_4_2_2_sh_mask.h"
41 #include "sdma4/sdma4_4_2_2_offset.h"
42 #include "sdma4/sdma4_4_2_2_sh_mask.h"
43 #include "sdma5/sdma5_4_2_2_offset.h"
44 #include "sdma5/sdma5_4_2_2_sh_mask.h"
45 #include "sdma6/sdma6_4_2_2_offset.h"
46 #include "sdma6/sdma6_4_2_2_sh_mask.h"
47 #include "sdma7/sdma7_4_2_2_offset.h"
48 #include "sdma7/sdma7_4_2_2_sh_mask.h"
49 #include "hdp/hdp_4_0_offset.h"
50 #include "sdma0/sdma0_4_1_default.h"
51 
52 #include "soc15_common.h"
53 #include "soc15.h"
54 #include "vega10_sdma_pkt_open.h"
55 
56 #include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h"
57 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h"
58 
59 #include "amdgpu_ras.h"
60 
61 MODULE_FIRMWARE("amdgpu/vega10_sdma.bin");
62 MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin");
63 MODULE_FIRMWARE("amdgpu/vega12_sdma.bin");
64 MODULE_FIRMWARE("amdgpu/vega12_sdma1.bin");
65 MODULE_FIRMWARE("amdgpu/vega20_sdma.bin");
66 MODULE_FIRMWARE("amdgpu/vega20_sdma1.bin");
67 MODULE_FIRMWARE("amdgpu/raven_sdma.bin");
68 MODULE_FIRMWARE("amdgpu/picasso_sdma.bin");
69 MODULE_FIRMWARE("amdgpu/raven2_sdma.bin");
70 MODULE_FIRMWARE("amdgpu/arcturus_sdma.bin");
71 MODULE_FIRMWARE("amdgpu/renoir_sdma.bin");
72 
73 #define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK  0x000000F8L
74 #define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L
75 
76 #define WREG32_SDMA(instance, offset, value) \
77 	WREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)), value)
78 #define RREG32_SDMA(instance, offset) \
79 	RREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)))
80 
81 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev);
82 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev);
83 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev);
84 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev);
85 static void sdma_v4_0_set_ras_funcs(struct amdgpu_device *adev);
86 
87 static const struct soc15_reg_golden golden_settings_sdma_4[] = {
88 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
89 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xff000ff0, 0x3f000100),
90 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0100, 0x00000100),
91 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
92 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
93 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
94 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003ff006, 0x0003c000),
95 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
96 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
97 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
98 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
99 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
100 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000),
101 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
102 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_IB_CNTL, 0x800f0100, 0x00000100),
103 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
104 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
105 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
106 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_POWER_CNTL, 0x003ff000, 0x0003c000),
107 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
108 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
109 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
110 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
111 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
112 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_WATERMK, 0xfc000000, 0x00000000)
113 };
114 
115 static const struct soc15_reg_golden golden_settings_sdma_vg10[] = {
116 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
117 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002),
118 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
119 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
120 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002)
121 };
122 
123 static const struct soc15_reg_golden golden_settings_sdma_vg12[] = {
124 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
125 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001),
126 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
127 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
128 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001)
129 };
130 
131 static const struct soc15_reg_golden golden_settings_sdma_4_1[] = {
132 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
133 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
134 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100),
135 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
136 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0xfc3fffff, 0x40000051),
137 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100),
138 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
139 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100),
140 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
141 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
142 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000)
143 };
144 
145 static const struct soc15_reg_golden golden_settings_sdma0_4_2_init[] = {
146 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
147 };
148 
149 static const struct soc15_reg_golden golden_settings_sdma0_4_2[] =
150 {
151 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
152 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
153 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
154 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
155 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
156 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
157 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
158 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
159 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RD_BURST_CNTL, 0x0000000f, 0x00000003),
160 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
161 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
162 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
163 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
164 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
165 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
166 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
167 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
168 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
169 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
170 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
171 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
172 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
173 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
174 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
175 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
176 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
177 };
178 
179 static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = {
180 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
181 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
182 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
183 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
184 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
185 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
186 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
187 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
188 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RD_BURST_CNTL, 0x0000000f, 0x00000003),
189 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
190 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
191 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
192 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
193 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
194 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
195 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
196 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
197 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
198 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
199 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
200 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
201 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
202 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
203 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
204 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
205 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
206 };
207 
208 static const struct soc15_reg_golden golden_settings_sdma_rv1[] =
209 {
210 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002),
211 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002)
212 };
213 
214 static const struct soc15_reg_golden golden_settings_sdma_rv2[] =
215 {
216 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00003001),
217 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00003001)
218 };
219 
220 static const struct soc15_reg_golden golden_settings_sdma_arct[] =
221 {
222 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
223 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
224 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
225 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
226 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
227 	SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
228 	SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
229 	SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
230 	SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
231 	SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
232 	SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
233 	SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
234 	SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
235 	SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
236 	SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
237 	SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
238 	SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
239 	SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
240 	SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
241 	SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
242 	SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
243 	SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
244 	SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
245 	SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002)
246 };
247 
248 static const struct soc15_reg_golden golden_settings_sdma_4_3[] = {
249 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
250 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
251 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002),
252 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002),
253 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
254 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003fff07, 0x40000051),
255 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
256 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
257 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
258 	SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x03fbe1fe)
259 };
260 
261 static const struct soc15_ras_field_entry sdma_v4_0_ras_fields[] = {
262 	{ "SDMA_UCODE_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
263 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_UCODE_BUF_SED),
264 	0, 0,
265 	},
266 	{ "SDMA_RB_CMD_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
267 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_RB_CMD_BUF_SED),
268 	0, 0,
269 	},
270 	{ "SDMA_IB_CMD_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
271 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_IB_CMD_BUF_SED),
272 	0, 0,
273 	},
274 	{ "SDMA_UTCL1_RD_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
275 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_UTCL1_RD_FIFO_SED),
276 	0, 0,
277 	},
278 	{ "SDMA_UTCL1_RDBST_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
279 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_UTCL1_RDBST_FIFO_SED),
280 	0, 0,
281 	},
282 	{ "SDMA_DATA_LUT_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
283 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_DATA_LUT_FIFO_SED),
284 	0, 0,
285 	},
286 	{ "SDMA_MBANK_DATA_BUF0_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
287 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF0_SED),
288 	0, 0,
289 	},
290 	{ "SDMA_MBANK_DATA_BUF1_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
291 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF1_SED),
292 	0, 0,
293 	},
294 	{ "SDMA_MBANK_DATA_BUF2_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
295 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF2_SED),
296 	0, 0,
297 	},
298 	{ "SDMA_MBANK_DATA_BUF3_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
299 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF3_SED),
300 	0, 0,
301 	},
302 	{ "SDMA_MBANK_DATA_BUF4_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
303 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF4_SED),
304 	0, 0,
305 	},
306 	{ "SDMA_MBANK_DATA_BUF5_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
307 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF5_SED),
308 	0, 0,
309 	},
310 	{ "SDMA_MBANK_DATA_BUF6_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
311 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF6_SED),
312 	0, 0,
313 	},
314 	{ "SDMA_MBANK_DATA_BUF7_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
315 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF7_SED),
316 	0, 0,
317 	},
318 	{ "SDMA_MBANK_DATA_BUF8_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
319 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF8_SED),
320 	0, 0,
321 	},
322 	{ "SDMA_MBANK_DATA_BUF9_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
323 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF9_SED),
324 	0, 0,
325 	},
326 	{ "SDMA_MBANK_DATA_BUF10_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
327 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF10_SED),
328 	0, 0,
329 	},
330 	{ "SDMA_MBANK_DATA_BUF11_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
331 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF11_SED),
332 	0, 0,
333 	},
334 	{ "SDMA_MBANK_DATA_BUF12_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
335 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF12_SED),
336 	0, 0,
337 	},
338 	{ "SDMA_MBANK_DATA_BUF13_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
339 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF13_SED),
340 	0, 0,
341 	},
342 	{ "SDMA_MBANK_DATA_BUF14_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
343 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF14_SED),
344 	0, 0,
345 	},
346 	{ "SDMA_MBANK_DATA_BUF15_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
347 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF15_SED),
348 	0, 0,
349 	},
350 	{ "SDMA_SPLIT_DAT_BUF_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
351 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_SPLIT_DAT_BUF_SED),
352 	0, 0,
353 	},
354 	{ "SDMA_MC_WR_ADDR_FIFO_SED", SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_EDC_COUNTER),
355 	SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MC_WR_ADDR_FIFO_SED),
356 	0, 0,
357 	},
358 };
359 
360 static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev,
361 		u32 instance, u32 offset)
362 {
363 	switch (instance) {
364 	case 0:
365 		return (adev->reg_offset[SDMA0_HWIP][0][0] + offset);
366 	case 1:
367 		return (adev->reg_offset[SDMA1_HWIP][0][0] + offset);
368 	case 2:
369 		return (adev->reg_offset[SDMA2_HWIP][0][1] + offset);
370 	case 3:
371 		return (adev->reg_offset[SDMA3_HWIP][0][1] + offset);
372 	case 4:
373 		return (adev->reg_offset[SDMA4_HWIP][0][1] + offset);
374 	case 5:
375 		return (adev->reg_offset[SDMA5_HWIP][0][1] + offset);
376 	case 6:
377 		return (adev->reg_offset[SDMA6_HWIP][0][1] + offset);
378 	case 7:
379 		return (adev->reg_offset[SDMA7_HWIP][0][1] + offset);
380 	default:
381 		break;
382 	}
383 	return 0;
384 }
385 
386 static unsigned sdma_v4_0_seq_to_irq_id(int seq_num)
387 {
388 	switch (seq_num) {
389 	case 0:
390 		return SOC15_IH_CLIENTID_SDMA0;
391 	case 1:
392 		return SOC15_IH_CLIENTID_SDMA1;
393 	case 2:
394 		return SOC15_IH_CLIENTID_SDMA2;
395 	case 3:
396 		return SOC15_IH_CLIENTID_SDMA3;
397 	case 4:
398 		return SOC15_IH_CLIENTID_SDMA4;
399 	case 5:
400 		return SOC15_IH_CLIENTID_SDMA5;
401 	case 6:
402 		return SOC15_IH_CLIENTID_SDMA6;
403 	case 7:
404 		return SOC15_IH_CLIENTID_SDMA7;
405 	default:
406 		break;
407 	}
408 	return -EINVAL;
409 }
410 
411 static int sdma_v4_0_irq_id_to_seq(unsigned client_id)
412 {
413 	switch (client_id) {
414 	case SOC15_IH_CLIENTID_SDMA0:
415 		return 0;
416 	case SOC15_IH_CLIENTID_SDMA1:
417 		return 1;
418 	case SOC15_IH_CLIENTID_SDMA2:
419 		return 2;
420 	case SOC15_IH_CLIENTID_SDMA3:
421 		return 3;
422 	case SOC15_IH_CLIENTID_SDMA4:
423 		return 4;
424 	case SOC15_IH_CLIENTID_SDMA5:
425 		return 5;
426 	case SOC15_IH_CLIENTID_SDMA6:
427 		return 6;
428 	case SOC15_IH_CLIENTID_SDMA7:
429 		return 7;
430 	default:
431 		break;
432 	}
433 	return -EINVAL;
434 }
435 
436 static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev)
437 {
438 	switch (adev->asic_type) {
439 	case CHIP_VEGA10:
440 		soc15_program_register_sequence(adev,
441 						golden_settings_sdma_4,
442 						ARRAY_SIZE(golden_settings_sdma_4));
443 		soc15_program_register_sequence(adev,
444 						golden_settings_sdma_vg10,
445 						ARRAY_SIZE(golden_settings_sdma_vg10));
446 		break;
447 	case CHIP_VEGA12:
448 		soc15_program_register_sequence(adev,
449 						golden_settings_sdma_4,
450 						ARRAY_SIZE(golden_settings_sdma_4));
451 		soc15_program_register_sequence(adev,
452 						golden_settings_sdma_vg12,
453 						ARRAY_SIZE(golden_settings_sdma_vg12));
454 		break;
455 	case CHIP_VEGA20:
456 		soc15_program_register_sequence(adev,
457 						golden_settings_sdma0_4_2_init,
458 						ARRAY_SIZE(golden_settings_sdma0_4_2_init));
459 		soc15_program_register_sequence(adev,
460 						golden_settings_sdma0_4_2,
461 						ARRAY_SIZE(golden_settings_sdma0_4_2));
462 		soc15_program_register_sequence(adev,
463 						golden_settings_sdma1_4_2,
464 						ARRAY_SIZE(golden_settings_sdma1_4_2));
465 		break;
466 	case CHIP_ARCTURUS:
467 		soc15_program_register_sequence(adev,
468 						golden_settings_sdma_arct,
469 						ARRAY_SIZE(golden_settings_sdma_arct));
470 		break;
471 	case CHIP_RAVEN:
472 		soc15_program_register_sequence(adev,
473 						golden_settings_sdma_4_1,
474 						ARRAY_SIZE(golden_settings_sdma_4_1));
475 		if (adev->rev_id >= 8)
476 			soc15_program_register_sequence(adev,
477 							golden_settings_sdma_rv2,
478 							ARRAY_SIZE(golden_settings_sdma_rv2));
479 		else
480 			soc15_program_register_sequence(adev,
481 							golden_settings_sdma_rv1,
482 							ARRAY_SIZE(golden_settings_sdma_rv1));
483 		break;
484 	case CHIP_RENOIR:
485 		soc15_program_register_sequence(adev,
486 						golden_settings_sdma_4_3,
487 						ARRAY_SIZE(golden_settings_sdma_4_3));
488 		break;
489 	default:
490 		break;
491 	}
492 }
493 
494 static int sdma_v4_0_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
495 {
496 	int err = 0;
497 	const struct sdma_firmware_header_v1_0 *hdr;
498 
499 	err = amdgpu_ucode_validate(sdma_inst->fw);
500 	if (err)
501 		return err;
502 
503 	hdr = (const struct sdma_firmware_header_v1_0 *)sdma_inst->fw->data;
504 	sdma_inst->fw_version = le32_to_cpu(hdr->header.ucode_version);
505 	sdma_inst->feature_version = le32_to_cpu(hdr->ucode_feature_version);
506 
507 	if (sdma_inst->feature_version >= 20)
508 		sdma_inst->burst_nop = true;
509 
510 	return 0;
511 }
512 
513 static void sdma_v4_0_destroy_inst_ctx(struct amdgpu_device *adev)
514 {
515 	int i;
516 
517 	for (i = 0; i < adev->sdma.num_instances; i++) {
518 		if (adev->sdma.instance[i].fw != NULL)
519 			release_firmware(adev->sdma.instance[i].fw);
520 
521 		/* arcturus shares the same FW memory across
522 		   all SDMA isntances */
523 		if (adev->asic_type == CHIP_ARCTURUS)
524 			break;
525 	}
526 
527 	memset((void*)adev->sdma.instance, 0,
528 		sizeof(struct amdgpu_sdma_instance) * AMDGPU_MAX_SDMA_INSTANCES);
529 }
530 
531 /**
532  * sdma_v4_0_init_microcode - load ucode images from disk
533  *
534  * @adev: amdgpu_device pointer
535  *
536  * Use the firmware interface to load the ucode images into
537  * the driver (not loaded into hw).
538  * Returns 0 on success, error on failure.
539  */
540 
541 // emulation only, won't work on real chip
542 // vega10 real chip need to use PSP to load firmware
543 static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
544 {
545 	const char *chip_name;
546 	char fw_name[30];
547 	int err = 0, i;
548 	struct amdgpu_firmware_info *info = NULL;
549 	const struct common_firmware_header *header = NULL;
550 
551 	DRM_DEBUG("\n");
552 
553 	switch (adev->asic_type) {
554 	case CHIP_VEGA10:
555 		chip_name = "vega10";
556 		break;
557 	case CHIP_VEGA12:
558 		chip_name = "vega12";
559 		break;
560 	case CHIP_VEGA20:
561 		chip_name = "vega20";
562 		break;
563 	case CHIP_RAVEN:
564 		if (adev->rev_id >= 8)
565 			chip_name = "raven2";
566 		else if (adev->pdev->device == 0x15d8)
567 			chip_name = "picasso";
568 		else
569 			chip_name = "raven";
570 		break;
571 	case CHIP_ARCTURUS:
572 		chip_name = "arcturus";
573 		break;
574 	case CHIP_RENOIR:
575 		chip_name = "renoir";
576 		break;
577 	default:
578 		BUG();
579 	}
580 
581 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
582 
583 	err = request_firmware(&adev->sdma.instance[0].fw, fw_name, adev->dev);
584 	if (err)
585 		goto out;
586 
587 	err = sdma_v4_0_init_inst_ctx(&adev->sdma.instance[0]);
588 	if (err)
589 		goto out;
590 
591 	for (i = 1; i < adev->sdma.num_instances; i++) {
592 		if (adev->asic_type == CHIP_ARCTURUS) {
593 			/* Acturus will leverage the same FW memory
594 			   for every SDMA instance */
595 			memcpy((void*)&adev->sdma.instance[i],
596 			       (void*)&adev->sdma.instance[0],
597 			       sizeof(struct amdgpu_sdma_instance));
598 		}
599 		else {
600 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma%d.bin", chip_name, i);
601 
602 			err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
603 			if (err)
604 				goto out;
605 
606 			err = sdma_v4_0_init_inst_ctx(&adev->sdma.instance[i]);
607 			if (err)
608 				goto out;
609 		}
610 	}
611 
612 	DRM_DEBUG("psp_load == '%s'\n",
613 		adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false");
614 
615 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
616 		for (i = 0; i < adev->sdma.num_instances; i++) {
617 			info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
618 			info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
619 			info->fw = adev->sdma.instance[i].fw;
620 			header = (const struct common_firmware_header *)info->fw->data;
621 			adev->firmware.fw_size +=
622 				ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
623 		}
624 	}
625 
626 out:
627 	if (err) {
628 		DRM_ERROR("sdma_v4_0: Failed to load firmware \"%s\"\n", fw_name);
629 		sdma_v4_0_destroy_inst_ctx(adev);
630 	}
631 	return err;
632 }
633 
634 /**
635  * sdma_v4_0_ring_get_rptr - get the current read pointer
636  *
637  * @ring: amdgpu ring pointer
638  *
639  * Get the current rptr from the hardware (VEGA10+).
640  */
641 static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring)
642 {
643 	u64 *rptr;
644 
645 	/* XXX check if swapping is necessary on BE */
646 	rptr = ((u64 *)&ring->adev->wb.wb[ring->rptr_offs]);
647 
648 	DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
649 	return ((*rptr) >> 2);
650 }
651 
652 /**
653  * sdma_v4_0_ring_get_wptr - get the current write pointer
654  *
655  * @ring: amdgpu ring pointer
656  *
657  * Get the current wptr from the hardware (VEGA10+).
658  */
659 static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring)
660 {
661 	struct amdgpu_device *adev = ring->adev;
662 	u64 wptr;
663 
664 	if (ring->use_doorbell) {
665 		/* XXX check if swapping is necessary on BE */
666 		wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
667 		DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
668 	} else {
669 		wptr = RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI);
670 		wptr = wptr << 32;
671 		wptr |= RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR);
672 		DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n",
673 				ring->me, wptr);
674 	}
675 
676 	return wptr >> 2;
677 }
678 
679 /**
680  * sdma_v4_0_ring_set_wptr - commit the write pointer
681  *
682  * @ring: amdgpu ring pointer
683  *
684  * Write the wptr back to the hardware (VEGA10+).
685  */
686 static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring)
687 {
688 	struct amdgpu_device *adev = ring->adev;
689 
690 	DRM_DEBUG("Setting write pointer\n");
691 	if (ring->use_doorbell) {
692 		u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
693 
694 		DRM_DEBUG("Using doorbell -- "
695 				"wptr_offs == 0x%08x "
696 				"lower_32_bits(ring->wptr) << 2 == 0x%08x "
697 				"upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
698 				ring->wptr_offs,
699 				lower_32_bits(ring->wptr << 2),
700 				upper_32_bits(ring->wptr << 2));
701 		/* XXX check if swapping is necessary on BE */
702 		WRITE_ONCE(*wb, (ring->wptr << 2));
703 		DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
704 				ring->doorbell_index, ring->wptr << 2);
705 		WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
706 	} else {
707 		DRM_DEBUG("Not using doorbell -- "
708 				"mmSDMA%i_GFX_RB_WPTR == 0x%08x "
709 				"mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
710 				ring->me,
711 				lower_32_bits(ring->wptr << 2),
712 				ring->me,
713 				upper_32_bits(ring->wptr << 2));
714 		WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR,
715 			    lower_32_bits(ring->wptr << 2));
716 		WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI,
717 			    upper_32_bits(ring->wptr << 2));
718 	}
719 }
720 
721 /**
722  * sdma_v4_0_page_ring_get_wptr - get the current write pointer
723  *
724  * @ring: amdgpu ring pointer
725  *
726  * Get the current wptr from the hardware (VEGA10+).
727  */
728 static uint64_t sdma_v4_0_page_ring_get_wptr(struct amdgpu_ring *ring)
729 {
730 	struct amdgpu_device *adev = ring->adev;
731 	u64 wptr;
732 
733 	if (ring->use_doorbell) {
734 		/* XXX check if swapping is necessary on BE */
735 		wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
736 	} else {
737 		wptr = RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI);
738 		wptr = wptr << 32;
739 		wptr |= RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR);
740 	}
741 
742 	return wptr >> 2;
743 }
744 
745 /**
746  * sdma_v4_0_ring_set_wptr - commit the write pointer
747  *
748  * @ring: amdgpu ring pointer
749  *
750  * Write the wptr back to the hardware (VEGA10+).
751  */
752 static void sdma_v4_0_page_ring_set_wptr(struct amdgpu_ring *ring)
753 {
754 	struct amdgpu_device *adev = ring->adev;
755 
756 	if (ring->use_doorbell) {
757 		u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
758 
759 		/* XXX check if swapping is necessary on BE */
760 		WRITE_ONCE(*wb, (ring->wptr << 2));
761 		WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
762 	} else {
763 		uint64_t wptr = ring->wptr << 2;
764 
765 		WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR,
766 			    lower_32_bits(wptr));
767 		WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI,
768 			    upper_32_bits(wptr));
769 	}
770 }
771 
772 static void sdma_v4_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
773 {
774 	struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
775 	int i;
776 
777 	for (i = 0; i < count; i++)
778 		if (sdma && sdma->burst_nop && (i == 0))
779 			amdgpu_ring_write(ring, ring->funcs->nop |
780 				SDMA_PKT_NOP_HEADER_COUNT(count - 1));
781 		else
782 			amdgpu_ring_write(ring, ring->funcs->nop);
783 }
784 
785 /**
786  * sdma_v4_0_ring_emit_ib - Schedule an IB on the DMA engine
787  *
788  * @ring: amdgpu ring pointer
789  * @ib: IB object to schedule
790  *
791  * Schedule an IB in the DMA ring (VEGA10).
792  */
793 static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring,
794 				   struct amdgpu_job *job,
795 				   struct amdgpu_ib *ib,
796 				   uint32_t flags)
797 {
798 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
799 
800 	/* IB packet must end on a 8 DW boundary */
801 	sdma_v4_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
802 
803 	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
804 			  SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
805 	/* base must be 32 byte aligned */
806 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
807 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
808 	amdgpu_ring_write(ring, ib->length_dw);
809 	amdgpu_ring_write(ring, 0);
810 	amdgpu_ring_write(ring, 0);
811 
812 }
813 
814 static void sdma_v4_0_wait_reg_mem(struct amdgpu_ring *ring,
815 				   int mem_space, int hdp,
816 				   uint32_t addr0, uint32_t addr1,
817 				   uint32_t ref, uint32_t mask,
818 				   uint32_t inv)
819 {
820 	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
821 			  SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) |
822 			  SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) |
823 			  SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
824 	if (mem_space) {
825 		/* memory */
826 		amdgpu_ring_write(ring, addr0);
827 		amdgpu_ring_write(ring, addr1);
828 	} else {
829 		/* registers */
830 		amdgpu_ring_write(ring, addr0 << 2);
831 		amdgpu_ring_write(ring, addr1 << 2);
832 	}
833 	amdgpu_ring_write(ring, ref); /* reference */
834 	amdgpu_ring_write(ring, mask); /* mask */
835 	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
836 			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */
837 }
838 
839 /**
840  * sdma_v4_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
841  *
842  * @ring: amdgpu ring pointer
843  *
844  * Emit an hdp flush packet on the requested DMA ring.
845  */
846 static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
847 {
848 	struct amdgpu_device *adev = ring->adev;
849 	u32 ref_and_mask = 0;
850 	const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
851 
852 	ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me;
853 
854 	sdma_v4_0_wait_reg_mem(ring, 0, 1,
855 			       adev->nbio.funcs->get_hdp_flush_done_offset(adev),
856 			       adev->nbio.funcs->get_hdp_flush_req_offset(adev),
857 			       ref_and_mask, ref_and_mask, 10);
858 }
859 
860 /**
861  * sdma_v4_0_ring_emit_fence - emit a fence on the DMA ring
862  *
863  * @ring: amdgpu ring pointer
864  * @fence: amdgpu fence object
865  *
866  * Add a DMA fence packet to the ring to write
867  * the fence seq number and DMA trap packet to generate
868  * an interrupt if needed (VEGA10).
869  */
870 static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
871 				      unsigned flags)
872 {
873 	bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
874 	/* write the fence */
875 	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
876 	/* zero in first two bits */
877 	BUG_ON(addr & 0x3);
878 	amdgpu_ring_write(ring, lower_32_bits(addr));
879 	amdgpu_ring_write(ring, upper_32_bits(addr));
880 	amdgpu_ring_write(ring, lower_32_bits(seq));
881 
882 	/* optionally write high bits as well */
883 	if (write64bit) {
884 		addr += 4;
885 		amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
886 		/* zero in first two bits */
887 		BUG_ON(addr & 0x3);
888 		amdgpu_ring_write(ring, lower_32_bits(addr));
889 		amdgpu_ring_write(ring, upper_32_bits(addr));
890 		amdgpu_ring_write(ring, upper_32_bits(seq));
891 	}
892 
893 	/* generate an interrupt */
894 	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
895 	amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0));
896 }
897 
898 
899 /**
900  * sdma_v4_0_gfx_stop - stop the gfx async dma engines
901  *
902  * @adev: amdgpu_device pointer
903  *
904  * Stop the gfx async dma ring buffers (VEGA10).
905  */
906 static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev)
907 {
908 	struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
909 	u32 rb_cntl, ib_cntl;
910 	int i, unset = 0;
911 
912 	for (i = 0; i < adev->sdma.num_instances; i++) {
913 		sdma[i] = &adev->sdma.instance[i].ring;
914 
915 		if ((adev->mman.buffer_funcs_ring == sdma[i]) && unset != 1) {
916 			amdgpu_ttm_set_buffer_funcs_status(adev, false);
917 			unset = 1;
918 		}
919 
920 		rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
921 		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
922 		WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
923 		ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
924 		ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
925 		WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
926 
927 		sdma[i]->sched.ready = false;
928 	}
929 }
930 
931 /**
932  * sdma_v4_0_rlc_stop - stop the compute async dma engines
933  *
934  * @adev: amdgpu_device pointer
935  *
936  * Stop the compute async dma queues (VEGA10).
937  */
938 static void sdma_v4_0_rlc_stop(struct amdgpu_device *adev)
939 {
940 	/* XXX todo */
941 }
942 
943 /**
944  * sdma_v4_0_page_stop - stop the page async dma engines
945  *
946  * @adev: amdgpu_device pointer
947  *
948  * Stop the page async dma ring buffers (VEGA10).
949  */
950 static void sdma_v4_0_page_stop(struct amdgpu_device *adev)
951 {
952 	struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
953 	u32 rb_cntl, ib_cntl;
954 	int i;
955 	bool unset = false;
956 
957 	for (i = 0; i < adev->sdma.num_instances; i++) {
958 		sdma[i] = &adev->sdma.instance[i].page;
959 
960 		if ((adev->mman.buffer_funcs_ring == sdma[i]) &&
961 			(unset == false)) {
962 			amdgpu_ttm_set_buffer_funcs_status(adev, false);
963 			unset = true;
964 		}
965 
966 		rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
967 		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
968 					RB_ENABLE, 0);
969 		WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
970 		ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
971 		ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL,
972 					IB_ENABLE, 0);
973 		WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
974 
975 		sdma[i]->sched.ready = false;
976 	}
977 }
978 
979 /**
980  * sdma_v_0_ctx_switch_enable - stop the async dma engines context switch
981  *
982  * @adev: amdgpu_device pointer
983  * @enable: enable/disable the DMA MEs context switch.
984  *
985  * Halt or unhalt the async dma engines context switch (VEGA10).
986  */
987 static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
988 {
989 	u32 f32_cntl, phase_quantum = 0;
990 	int i;
991 
992 	if (amdgpu_sdma_phase_quantum) {
993 		unsigned value = amdgpu_sdma_phase_quantum;
994 		unsigned unit = 0;
995 
996 		while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
997 				SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
998 			value = (value + 1) >> 1;
999 			unit++;
1000 		}
1001 		if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
1002 			    SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
1003 			value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
1004 				 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
1005 			unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
1006 				SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
1007 			WARN_ONCE(1,
1008 			"clamping sdma_phase_quantum to %uK clock cycles\n",
1009 				  value << unit);
1010 		}
1011 		phase_quantum =
1012 			value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
1013 			unit  << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
1014 	}
1015 
1016 	for (i = 0; i < adev->sdma.num_instances; i++) {
1017 		f32_cntl = RREG32_SDMA(i, mmSDMA0_CNTL);
1018 		f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
1019 				AUTO_CTXSW_ENABLE, enable ? 1 : 0);
1020 		if (enable && amdgpu_sdma_phase_quantum) {
1021 			WREG32_SDMA(i, mmSDMA0_PHASE0_QUANTUM, phase_quantum);
1022 			WREG32_SDMA(i, mmSDMA0_PHASE1_QUANTUM, phase_quantum);
1023 			WREG32_SDMA(i, mmSDMA0_PHASE2_QUANTUM, phase_quantum);
1024 		}
1025 		WREG32_SDMA(i, mmSDMA0_CNTL, f32_cntl);
1026 	}
1027 
1028 }
1029 
1030 /**
1031  * sdma_v4_0_enable - stop the async dma engines
1032  *
1033  * @adev: amdgpu_device pointer
1034  * @enable: enable/disable the DMA MEs.
1035  *
1036  * Halt or unhalt the async dma engines (VEGA10).
1037  */
1038 static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable)
1039 {
1040 	u32 f32_cntl;
1041 	int i;
1042 
1043 	if (enable == false) {
1044 		sdma_v4_0_gfx_stop(adev);
1045 		sdma_v4_0_rlc_stop(adev);
1046 		if (adev->sdma.has_page_queue)
1047 			sdma_v4_0_page_stop(adev);
1048 	}
1049 
1050 	for (i = 0; i < adev->sdma.num_instances; i++) {
1051 		f32_cntl = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
1052 		f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
1053 		WREG32_SDMA(i, mmSDMA0_F32_CNTL, f32_cntl);
1054 	}
1055 }
1056 
1057 /**
1058  * sdma_v4_0_rb_cntl - get parameters for rb_cntl
1059  */
1060 static uint32_t sdma_v4_0_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl)
1061 {
1062 	/* Set ring buffer size in dwords */
1063 	uint32_t rb_bufsz = order_base_2(ring->ring_size / 4);
1064 
1065 	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
1066 #ifdef __BIG_ENDIAN
1067 	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
1068 	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
1069 				RPTR_WRITEBACK_SWAP_ENABLE, 1);
1070 #endif
1071 	return rb_cntl;
1072 }
1073 
1074 /**
1075  * sdma_v4_0_gfx_resume - setup and start the async dma engines
1076  *
1077  * @adev: amdgpu_device pointer
1078  * @i: instance to resume
1079  *
1080  * Set up the gfx DMA ring buffers and enable them (VEGA10).
1081  * Returns 0 for success, error for failure.
1082  */
1083 static void sdma_v4_0_gfx_resume(struct amdgpu_device *adev, unsigned int i)
1084 {
1085 	struct amdgpu_ring *ring = &adev->sdma.instance[i].ring;
1086 	u32 rb_cntl, ib_cntl, wptr_poll_cntl;
1087 	u32 wb_offset;
1088 	u32 doorbell;
1089 	u32 doorbell_offset;
1090 	u64 wptr_gpu_addr;
1091 
1092 	wb_offset = (ring->rptr_offs * 4);
1093 
1094 	rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
1095 	rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
1096 	WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
1097 
1098 	/* Initialize the ring buffer's read and write pointers */
1099 	WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR, 0);
1100 	WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_HI, 0);
1101 	WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR, 0);
1102 	WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_HI, 0);
1103 
1104 	/* set the wb address whether it's enabled or not */
1105 	WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_HI,
1106 	       upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
1107 	WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_LO,
1108 	       lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
1109 
1110 	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
1111 				RPTR_WRITEBACK_ENABLE, 1);
1112 
1113 	WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE, ring->gpu_addr >> 8);
1114 	WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE_HI, ring->gpu_addr >> 40);
1115 
1116 	ring->wptr = 0;
1117 
1118 	/* before programing wptr to a less value, need set minor_ptr_update first */
1119 	WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 1);
1120 
1121 	doorbell = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL);
1122 	doorbell_offset = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET);
1123 
1124 	doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE,
1125 				 ring->use_doorbell);
1126 	doorbell_offset = REG_SET_FIELD(doorbell_offset,
1127 					SDMA0_GFX_DOORBELL_OFFSET,
1128 					OFFSET, ring->doorbell_index);
1129 	WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL, doorbell);
1130 	WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET, doorbell_offset);
1131 
1132 	sdma_v4_0_ring_set_wptr(ring);
1133 
1134 	/* set minor_ptr_update to 0 after wptr programed */
1135 	WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 0);
1136 
1137 	/* setup the wptr shadow polling */
1138 	wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
1139 	WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO,
1140 		    lower_32_bits(wptr_gpu_addr));
1141 	WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI,
1142 		    upper_32_bits(wptr_gpu_addr));
1143 	wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL);
1144 	wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
1145 				       SDMA0_GFX_RB_WPTR_POLL_CNTL,
1146 				       F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
1147 	WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
1148 
1149 	/* enable DMA RB */
1150 	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
1151 	WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
1152 
1153 	ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
1154 	ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
1155 #ifdef __BIG_ENDIAN
1156 	ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
1157 #endif
1158 	/* enable DMA IBs */
1159 	WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
1160 
1161 	ring->sched.ready = true;
1162 }
1163 
1164 /**
1165  * sdma_v4_0_page_resume - setup and start the async dma engines
1166  *
1167  * @adev: amdgpu_device pointer
1168  * @i: instance to resume
1169  *
1170  * Set up the page DMA ring buffers and enable them (VEGA10).
1171  * Returns 0 for success, error for failure.
1172  */
1173 static void sdma_v4_0_page_resume(struct amdgpu_device *adev, unsigned int i)
1174 {
1175 	struct amdgpu_ring *ring = &adev->sdma.instance[i].page;
1176 	u32 rb_cntl, ib_cntl, wptr_poll_cntl;
1177 	u32 wb_offset;
1178 	u32 doorbell;
1179 	u32 doorbell_offset;
1180 	u64 wptr_gpu_addr;
1181 
1182 	wb_offset = (ring->rptr_offs * 4);
1183 
1184 	rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
1185 	rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
1186 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
1187 
1188 	/* Initialize the ring buffer's read and write pointers */
1189 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR, 0);
1190 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_HI, 0);
1191 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR, 0);
1192 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_HI, 0);
1193 
1194 	/* set the wb address whether it's enabled or not */
1195 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_HI,
1196 	       upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
1197 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_LO,
1198 	       lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
1199 
1200 	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
1201 				RPTR_WRITEBACK_ENABLE, 1);
1202 
1203 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE, ring->gpu_addr >> 8);
1204 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE_HI, ring->gpu_addr >> 40);
1205 
1206 	ring->wptr = 0;
1207 
1208 	/* before programing wptr to a less value, need set minor_ptr_update first */
1209 	WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 1);
1210 
1211 	doorbell = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL);
1212 	doorbell_offset = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET);
1213 
1214 	doorbell = REG_SET_FIELD(doorbell, SDMA0_PAGE_DOORBELL, ENABLE,
1215 				 ring->use_doorbell);
1216 	doorbell_offset = REG_SET_FIELD(doorbell_offset,
1217 					SDMA0_PAGE_DOORBELL_OFFSET,
1218 					OFFSET, ring->doorbell_index);
1219 	WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL, doorbell);
1220 	WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET, doorbell_offset);
1221 
1222 	/* paging queue doorbell range is setup at sdma_v4_0_gfx_resume */
1223 	sdma_v4_0_page_ring_set_wptr(ring);
1224 
1225 	/* set minor_ptr_update to 0 after wptr programed */
1226 	WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 0);
1227 
1228 	/* setup the wptr shadow polling */
1229 	wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
1230 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_LO,
1231 		    lower_32_bits(wptr_gpu_addr));
1232 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_HI,
1233 		    upper_32_bits(wptr_gpu_addr));
1234 	wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL);
1235 	wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
1236 				       SDMA0_PAGE_RB_WPTR_POLL_CNTL,
1237 				       F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
1238 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
1239 
1240 	/* enable DMA RB */
1241 	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL, RB_ENABLE, 1);
1242 	WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
1243 
1244 	ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
1245 	ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_ENABLE, 1);
1246 #ifdef __BIG_ENDIAN
1247 	ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1);
1248 #endif
1249 	/* enable DMA IBs */
1250 	WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
1251 
1252 	ring->sched.ready = true;
1253 }
1254 
1255 static void
1256 sdma_v4_1_update_power_gating(struct amdgpu_device *adev, bool enable)
1257 {
1258 	uint32_t def, data;
1259 
1260 	if (enable && (adev->pg_flags & AMD_PG_SUPPORT_SDMA)) {
1261 		/* enable idle interrupt */
1262 		def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
1263 		data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
1264 
1265 		if (data != def)
1266 			WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
1267 	} else {
1268 		/* disable idle interrupt */
1269 		def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
1270 		data &= ~SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
1271 		if (data != def)
1272 			WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
1273 	}
1274 }
1275 
1276 static void sdma_v4_1_init_power_gating(struct amdgpu_device *adev)
1277 {
1278 	uint32_t def, data;
1279 
1280 	/* Enable HW based PG. */
1281 	def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1282 	data |= SDMA0_POWER_CNTL__PG_CNTL_ENABLE_MASK;
1283 	if (data != def)
1284 		WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
1285 
1286 	/* enable interrupt */
1287 	def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
1288 	data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
1289 	if (data != def)
1290 		WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
1291 
1292 	/* Configure hold time to filter in-valid power on/off request. Use default right now */
1293 	def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1294 	data &= ~SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK;
1295 	data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK);
1296 	/* Configure switch time for hysteresis purpose. Use default right now */
1297 	data &= ~SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK;
1298 	data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK);
1299 	if(data != def)
1300 		WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
1301 }
1302 
1303 static void sdma_v4_0_init_pg(struct amdgpu_device *adev)
1304 {
1305 	if (!(adev->pg_flags & AMD_PG_SUPPORT_SDMA))
1306 		return;
1307 
1308 	switch (adev->asic_type) {
1309 	case CHIP_RAVEN:
1310 	case CHIP_RENOIR:
1311 		sdma_v4_1_init_power_gating(adev);
1312 		sdma_v4_1_update_power_gating(adev, true);
1313 		break;
1314 	default:
1315 		break;
1316 	}
1317 }
1318 
1319 /**
1320  * sdma_v4_0_rlc_resume - setup and start the async dma engines
1321  *
1322  * @adev: amdgpu_device pointer
1323  *
1324  * Set up the compute DMA queues and enable them (VEGA10).
1325  * Returns 0 for success, error for failure.
1326  */
1327 static int sdma_v4_0_rlc_resume(struct amdgpu_device *adev)
1328 {
1329 	sdma_v4_0_init_pg(adev);
1330 
1331 	return 0;
1332 }
1333 
1334 /**
1335  * sdma_v4_0_load_microcode - load the sDMA ME ucode
1336  *
1337  * @adev: amdgpu_device pointer
1338  *
1339  * Loads the sDMA0/1 ucode.
1340  * Returns 0 for success, -EINVAL if the ucode is not available.
1341  */
1342 static int sdma_v4_0_load_microcode(struct amdgpu_device *adev)
1343 {
1344 	const struct sdma_firmware_header_v1_0 *hdr;
1345 	const __le32 *fw_data;
1346 	u32 fw_size;
1347 	int i, j;
1348 
1349 	/* halt the MEs */
1350 	sdma_v4_0_enable(adev, false);
1351 
1352 	for (i = 0; i < adev->sdma.num_instances; i++) {
1353 		if (!adev->sdma.instance[i].fw)
1354 			return -EINVAL;
1355 
1356 		hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
1357 		amdgpu_ucode_print_sdma_hdr(&hdr->header);
1358 		fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
1359 
1360 		fw_data = (const __le32 *)
1361 			(adev->sdma.instance[i].fw->data +
1362 				le32_to_cpu(hdr->header.ucode_array_offset_bytes));
1363 
1364 		WREG32_SDMA(i, mmSDMA0_UCODE_ADDR, 0);
1365 
1366 		for (j = 0; j < fw_size; j++)
1367 			WREG32_SDMA(i, mmSDMA0_UCODE_DATA,
1368 				    le32_to_cpup(fw_data++));
1369 
1370 		WREG32_SDMA(i, mmSDMA0_UCODE_ADDR,
1371 			    adev->sdma.instance[i].fw_version);
1372 	}
1373 
1374 	return 0;
1375 }
1376 
1377 /**
1378  * sdma_v4_0_start - setup and start the async dma engines
1379  *
1380  * @adev: amdgpu_device pointer
1381  *
1382  * Set up the DMA engines and enable them (VEGA10).
1383  * Returns 0 for success, error for failure.
1384  */
1385 static int sdma_v4_0_start(struct amdgpu_device *adev)
1386 {
1387 	struct amdgpu_ring *ring;
1388 	int i, r = 0;
1389 
1390 	if (amdgpu_sriov_vf(adev)) {
1391 		sdma_v4_0_ctx_switch_enable(adev, false);
1392 		sdma_v4_0_enable(adev, false);
1393 	} else {
1394 
1395 		if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1396 			r = sdma_v4_0_load_microcode(adev);
1397 			if (r)
1398 				return r;
1399 		}
1400 
1401 		/* unhalt the MEs */
1402 		sdma_v4_0_enable(adev, true);
1403 		/* enable sdma ring preemption */
1404 		sdma_v4_0_ctx_switch_enable(adev, true);
1405 	}
1406 
1407 	/* start the gfx rings and rlc compute queues */
1408 	for (i = 0; i < adev->sdma.num_instances; i++) {
1409 		uint32_t temp;
1410 
1411 		WREG32_SDMA(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL, 0);
1412 		sdma_v4_0_gfx_resume(adev, i);
1413 		if (adev->sdma.has_page_queue)
1414 			sdma_v4_0_page_resume(adev, i);
1415 
1416 		/* set utc l1 enable flag always to 1 */
1417 		temp = RREG32_SDMA(i, mmSDMA0_CNTL);
1418 		temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
1419 		WREG32_SDMA(i, mmSDMA0_CNTL, temp);
1420 
1421 		if (!amdgpu_sriov_vf(adev)) {
1422 			/* unhalt engine */
1423 			temp = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
1424 			temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
1425 			WREG32_SDMA(i, mmSDMA0_F32_CNTL, temp);
1426 		}
1427 	}
1428 
1429 	if (amdgpu_sriov_vf(adev)) {
1430 		sdma_v4_0_ctx_switch_enable(adev, true);
1431 		sdma_v4_0_enable(adev, true);
1432 	} else {
1433 		r = sdma_v4_0_rlc_resume(adev);
1434 		if (r)
1435 			return r;
1436 	}
1437 
1438 	for (i = 0; i < adev->sdma.num_instances; i++) {
1439 		ring = &adev->sdma.instance[i].ring;
1440 
1441 		r = amdgpu_ring_test_helper(ring);
1442 		if (r)
1443 			return r;
1444 
1445 		if (adev->sdma.has_page_queue) {
1446 			struct amdgpu_ring *page = &adev->sdma.instance[i].page;
1447 
1448 			r = amdgpu_ring_test_helper(page);
1449 			if (r)
1450 				return r;
1451 
1452 			if (adev->mman.buffer_funcs_ring == page)
1453 				amdgpu_ttm_set_buffer_funcs_status(adev, true);
1454 		}
1455 
1456 		if (adev->mman.buffer_funcs_ring == ring)
1457 			amdgpu_ttm_set_buffer_funcs_status(adev, true);
1458 	}
1459 
1460 	return r;
1461 }
1462 
1463 /**
1464  * sdma_v4_0_ring_test_ring - simple async dma engine test
1465  *
1466  * @ring: amdgpu_ring structure holding ring information
1467  *
1468  * Test the DMA engine by writing using it to write an
1469  * value to memory. (VEGA10).
1470  * Returns 0 for success, error for failure.
1471  */
1472 static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring)
1473 {
1474 	struct amdgpu_device *adev = ring->adev;
1475 	unsigned i;
1476 	unsigned index;
1477 	int r;
1478 	u32 tmp;
1479 	u64 gpu_addr;
1480 
1481 	r = amdgpu_device_wb_get(adev, &index);
1482 	if (r)
1483 		return r;
1484 
1485 	gpu_addr = adev->wb.gpu_addr + (index * 4);
1486 	tmp = 0xCAFEDEAD;
1487 	adev->wb.wb[index] = cpu_to_le32(tmp);
1488 
1489 	r = amdgpu_ring_alloc(ring, 5);
1490 	if (r)
1491 		goto error_free_wb;
1492 
1493 	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1494 			  SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1495 	amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1496 	amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1497 	amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1498 	amdgpu_ring_write(ring, 0xDEADBEEF);
1499 	amdgpu_ring_commit(ring);
1500 
1501 	for (i = 0; i < adev->usec_timeout; i++) {
1502 		tmp = le32_to_cpu(adev->wb.wb[index]);
1503 		if (tmp == 0xDEADBEEF)
1504 			break;
1505 		udelay(1);
1506 	}
1507 
1508 	if (i >= adev->usec_timeout)
1509 		r = -ETIMEDOUT;
1510 
1511 error_free_wb:
1512 	amdgpu_device_wb_free(adev, index);
1513 	return r;
1514 }
1515 
1516 /**
1517  * sdma_v4_0_ring_test_ib - test an IB on the DMA engine
1518  *
1519  * @ring: amdgpu_ring structure holding ring information
1520  *
1521  * Test a simple IB in the DMA ring (VEGA10).
1522  * Returns 0 on success, error on failure.
1523  */
1524 static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1525 {
1526 	struct amdgpu_device *adev = ring->adev;
1527 	struct amdgpu_ib ib;
1528 	struct dma_fence *f = NULL;
1529 	unsigned index;
1530 	long r;
1531 	u32 tmp = 0;
1532 	u64 gpu_addr;
1533 
1534 	r = amdgpu_device_wb_get(adev, &index);
1535 	if (r)
1536 		return r;
1537 
1538 	gpu_addr = adev->wb.gpu_addr + (index * 4);
1539 	tmp = 0xCAFEDEAD;
1540 	adev->wb.wb[index] = cpu_to_le32(tmp);
1541 	memset(&ib, 0, sizeof(ib));
1542 	r = amdgpu_ib_get(adev, NULL, 256, &ib);
1543 	if (r)
1544 		goto err0;
1545 
1546 	ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1547 		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1548 	ib.ptr[1] = lower_32_bits(gpu_addr);
1549 	ib.ptr[2] = upper_32_bits(gpu_addr);
1550 	ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1551 	ib.ptr[4] = 0xDEADBEEF;
1552 	ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1553 	ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1554 	ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1555 	ib.length_dw = 8;
1556 
1557 	r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1558 	if (r)
1559 		goto err1;
1560 
1561 	r = dma_fence_wait_timeout(f, false, timeout);
1562 	if (r == 0) {
1563 		r = -ETIMEDOUT;
1564 		goto err1;
1565 	} else if (r < 0) {
1566 		goto err1;
1567 	}
1568 	tmp = le32_to_cpu(adev->wb.wb[index]);
1569 	if (tmp == 0xDEADBEEF)
1570 		r = 0;
1571 	else
1572 		r = -EINVAL;
1573 
1574 err1:
1575 	amdgpu_ib_free(adev, &ib, NULL);
1576 	dma_fence_put(f);
1577 err0:
1578 	amdgpu_device_wb_free(adev, index);
1579 	return r;
1580 }
1581 
1582 
1583 /**
1584  * sdma_v4_0_vm_copy_pte - update PTEs by copying them from the GART
1585  *
1586  * @ib: indirect buffer to fill with commands
1587  * @pe: addr of the page entry
1588  * @src: src addr to copy from
1589  * @count: number of page entries to update
1590  *
1591  * Update PTEs by copying them from the GART using sDMA (VEGA10).
1592  */
1593 static void sdma_v4_0_vm_copy_pte(struct amdgpu_ib *ib,
1594 				  uint64_t pe, uint64_t src,
1595 				  unsigned count)
1596 {
1597 	unsigned bytes = count * 8;
1598 
1599 	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1600 		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1601 	ib->ptr[ib->length_dw++] = bytes - 1;
1602 	ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1603 	ib->ptr[ib->length_dw++] = lower_32_bits(src);
1604 	ib->ptr[ib->length_dw++] = upper_32_bits(src);
1605 	ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1606 	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1607 
1608 }
1609 
1610 /**
1611  * sdma_v4_0_vm_write_pte - update PTEs by writing them manually
1612  *
1613  * @ib: indirect buffer to fill with commands
1614  * @pe: addr of the page entry
1615  * @addr: dst addr to write into pe
1616  * @count: number of page entries to update
1617  * @incr: increase next addr by incr bytes
1618  * @flags: access flags
1619  *
1620  * Update PTEs by writing them manually using sDMA (VEGA10).
1621  */
1622 static void sdma_v4_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1623 				   uint64_t value, unsigned count,
1624 				   uint32_t incr)
1625 {
1626 	unsigned ndw = count * 2;
1627 
1628 	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1629 		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1630 	ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1631 	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1632 	ib->ptr[ib->length_dw++] = ndw - 1;
1633 	for (; ndw > 0; ndw -= 2) {
1634 		ib->ptr[ib->length_dw++] = lower_32_bits(value);
1635 		ib->ptr[ib->length_dw++] = upper_32_bits(value);
1636 		value += incr;
1637 	}
1638 }
1639 
1640 /**
1641  * sdma_v4_0_vm_set_pte_pde - update the page tables using sDMA
1642  *
1643  * @ib: indirect buffer to fill with commands
1644  * @pe: addr of the page entry
1645  * @addr: dst addr to write into pe
1646  * @count: number of page entries to update
1647  * @incr: increase next addr by incr bytes
1648  * @flags: access flags
1649  *
1650  * Update the page tables using sDMA (VEGA10).
1651  */
1652 static void sdma_v4_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1653 				     uint64_t pe,
1654 				     uint64_t addr, unsigned count,
1655 				     uint32_t incr, uint64_t flags)
1656 {
1657 	/* for physically contiguous pages (vram) */
1658 	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1659 	ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1660 	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1661 	ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1662 	ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1663 	ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1664 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1665 	ib->ptr[ib->length_dw++] = incr; /* increment size */
1666 	ib->ptr[ib->length_dw++] = 0;
1667 	ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1668 }
1669 
1670 /**
1671  * sdma_v4_0_ring_pad_ib - pad the IB to the required number of dw
1672  *
1673  * @ib: indirect buffer to fill with padding
1674  *
1675  */
1676 static void sdma_v4_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1677 {
1678 	struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1679 	u32 pad_count;
1680 	int i;
1681 
1682 	pad_count = (-ib->length_dw) & 7;
1683 	for (i = 0; i < pad_count; i++)
1684 		if (sdma && sdma->burst_nop && (i == 0))
1685 			ib->ptr[ib->length_dw++] =
1686 				SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1687 				SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1688 		else
1689 			ib->ptr[ib->length_dw++] =
1690 				SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1691 }
1692 
1693 
1694 /**
1695  * sdma_v4_0_ring_emit_pipeline_sync - sync the pipeline
1696  *
1697  * @ring: amdgpu_ring pointer
1698  *
1699  * Make sure all previous operations are completed (CIK).
1700  */
1701 static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1702 {
1703 	uint32_t seq = ring->fence_drv.sync_seq;
1704 	uint64_t addr = ring->fence_drv.gpu_addr;
1705 
1706 	/* wait for idle */
1707 	sdma_v4_0_wait_reg_mem(ring, 1, 0,
1708 			       addr & 0xfffffffc,
1709 			       upper_32_bits(addr) & 0xffffffff,
1710 			       seq, 0xffffffff, 4);
1711 }
1712 
1713 
1714 /**
1715  * sdma_v4_0_ring_emit_vm_flush - vm flush using sDMA
1716  *
1717  * @ring: amdgpu_ring pointer
1718  * @vm: amdgpu_vm pointer
1719  *
1720  * Update the page table base and flush the VM TLB
1721  * using sDMA (VEGA10).
1722  */
1723 static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1724 					 unsigned vmid, uint64_t pd_addr)
1725 {
1726 	amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1727 }
1728 
1729 static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring,
1730 				     uint32_t reg, uint32_t val)
1731 {
1732 	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1733 			  SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1734 	amdgpu_ring_write(ring, reg);
1735 	amdgpu_ring_write(ring, val);
1736 }
1737 
1738 static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1739 					 uint32_t val, uint32_t mask)
1740 {
1741 	sdma_v4_0_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10);
1742 }
1743 
1744 static bool sdma_v4_0_fw_support_paging_queue(struct amdgpu_device *adev)
1745 {
1746 	uint fw_version = adev->sdma.instance[0].fw_version;
1747 
1748 	switch (adev->asic_type) {
1749 	case CHIP_VEGA10:
1750 		return fw_version >= 430;
1751 	case CHIP_VEGA12:
1752 		/*return fw_version >= 31;*/
1753 		return false;
1754 	case CHIP_VEGA20:
1755 		return fw_version >= 123;
1756 	default:
1757 		return false;
1758 	}
1759 }
1760 
1761 static int sdma_v4_0_early_init(void *handle)
1762 {
1763 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1764 	int r;
1765 
1766 	if (adev->asic_type == CHIP_RAVEN || adev->asic_type == CHIP_RENOIR)
1767 		adev->sdma.num_instances = 1;
1768 	else if (adev->asic_type == CHIP_ARCTURUS)
1769 		adev->sdma.num_instances = 8;
1770 	else
1771 		adev->sdma.num_instances = 2;
1772 
1773 	r = sdma_v4_0_init_microcode(adev);
1774 	if (r) {
1775 		DRM_ERROR("Failed to load sdma firmware!\n");
1776 		return r;
1777 	}
1778 
1779 	/* TODO: Page queue breaks driver reload under SRIOV */
1780 	if ((adev->asic_type == CHIP_VEGA10) && amdgpu_sriov_vf((adev)))
1781 		adev->sdma.has_page_queue = false;
1782 	else if (sdma_v4_0_fw_support_paging_queue(adev))
1783 		adev->sdma.has_page_queue = true;
1784 
1785 	sdma_v4_0_set_ring_funcs(adev);
1786 	sdma_v4_0_set_buffer_funcs(adev);
1787 	sdma_v4_0_set_vm_pte_funcs(adev);
1788 	sdma_v4_0_set_irq_funcs(adev);
1789 	sdma_v4_0_set_ras_funcs(adev);
1790 
1791 	return 0;
1792 }
1793 
1794 static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev,
1795 		void *err_data,
1796 		struct amdgpu_iv_entry *entry);
1797 
1798 static int sdma_v4_0_late_init(void *handle)
1799 {
1800 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1801 	struct ras_ih_if ih_info = {
1802 		.cb = sdma_v4_0_process_ras_data_cb,
1803 	};
1804 	int i;
1805 
1806 	/* read back edc counter registers to clear the counters */
1807 	if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
1808 		for (i = 0; i < adev->sdma.num_instances; i++)
1809 			RREG32_SDMA(i, mmSDMA0_EDC_COUNTER);
1810 	}
1811 
1812 	if (adev->sdma.funcs && adev->sdma.funcs->ras_late_init)
1813 		return adev->sdma.funcs->ras_late_init(adev, &ih_info);
1814 	else
1815 		return 0;
1816 }
1817 
1818 static int sdma_v4_0_sw_init(void *handle)
1819 {
1820 	struct amdgpu_ring *ring;
1821 	int r, i;
1822 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1823 
1824 	/* SDMA trap event */
1825 	for (i = 0; i < adev->sdma.num_instances; i++) {
1826 		r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
1827 				      SDMA0_4_0__SRCID__SDMA_TRAP,
1828 				      &adev->sdma.trap_irq);
1829 		if (r)
1830 			return r;
1831 	}
1832 
1833 	/* SDMA SRAM ECC event */
1834 	for (i = 0; i < adev->sdma.num_instances; i++) {
1835 		r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
1836 				      SDMA0_4_0__SRCID__SDMA_SRAM_ECC,
1837 				      &adev->sdma.ecc_irq);
1838 		if (r)
1839 			return r;
1840 	}
1841 
1842 	for (i = 0; i < adev->sdma.num_instances; i++) {
1843 		ring = &adev->sdma.instance[i].ring;
1844 		ring->ring_obj = NULL;
1845 		ring->use_doorbell = true;
1846 
1847 		DRM_INFO("use_doorbell being set to: [%s]\n",
1848 				ring->use_doorbell?"true":"false");
1849 
1850 		/* doorbell size is 2 dwords, get DWORD offset */
1851 		ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
1852 
1853 		sprintf(ring->name, "sdma%d", i);
1854 		r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1855 				     AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1856 		if (r)
1857 			return r;
1858 
1859 		if (adev->sdma.has_page_queue) {
1860 			ring = &adev->sdma.instance[i].page;
1861 			ring->ring_obj = NULL;
1862 			ring->use_doorbell = true;
1863 
1864 			/* paging queue use same doorbell index/routing as gfx queue
1865 			 * with 0x400 (4096 dwords) offset on second doorbell page
1866 			 */
1867 			ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
1868 			ring->doorbell_index += 0x400;
1869 
1870 			sprintf(ring->name, "page%d", i);
1871 			r = amdgpu_ring_init(adev, ring, 1024,
1872 					     &adev->sdma.trap_irq,
1873 					     AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1874 			if (r)
1875 				return r;
1876 		}
1877 	}
1878 
1879 	return r;
1880 }
1881 
1882 static int sdma_v4_0_sw_fini(void *handle)
1883 {
1884 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1885 	int i;
1886 
1887 	if (adev->sdma.funcs && adev->sdma.funcs->ras_fini)
1888 		adev->sdma.funcs->ras_fini(adev);
1889 
1890 	for (i = 0; i < adev->sdma.num_instances; i++) {
1891 		amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1892 		if (adev->sdma.has_page_queue)
1893 			amdgpu_ring_fini(&adev->sdma.instance[i].page);
1894 	}
1895 
1896 	sdma_v4_0_destroy_inst_ctx(adev);
1897 
1898 	return 0;
1899 }
1900 
1901 static int sdma_v4_0_hw_init(void *handle)
1902 {
1903 	int r;
1904 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1905 
1906 	if ((adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs &&
1907 			adev->powerplay.pp_funcs->set_powergating_by_smu) ||
1908 			(adev->asic_type == CHIP_RENOIR && !adev->in_gpu_reset))
1909 		amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, false);
1910 
1911 	if (!amdgpu_sriov_vf(adev))
1912 		sdma_v4_0_init_golden_registers(adev);
1913 
1914 	r = sdma_v4_0_start(adev);
1915 
1916 	return r;
1917 }
1918 
1919 static int sdma_v4_0_hw_fini(void *handle)
1920 {
1921 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1922 	int i;
1923 
1924 	if (amdgpu_sriov_vf(adev))
1925 		return 0;
1926 
1927 	for (i = 0; i < adev->sdma.num_instances; i++) {
1928 		amdgpu_irq_put(adev, &adev->sdma.ecc_irq,
1929 			       AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1930 	}
1931 
1932 	sdma_v4_0_ctx_switch_enable(adev, false);
1933 	sdma_v4_0_enable(adev, false);
1934 
1935 	if ((adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs
1936 			&& adev->powerplay.pp_funcs->set_powergating_by_smu) ||
1937 			adev->asic_type == CHIP_RENOIR)
1938 		amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, true);
1939 
1940 	return 0;
1941 }
1942 
1943 static int sdma_v4_0_suspend(void *handle)
1944 {
1945 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1946 
1947 	return sdma_v4_0_hw_fini(adev);
1948 }
1949 
1950 static int sdma_v4_0_resume(void *handle)
1951 {
1952 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1953 
1954 	return sdma_v4_0_hw_init(adev);
1955 }
1956 
1957 static bool sdma_v4_0_is_idle(void *handle)
1958 {
1959 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1960 	u32 i;
1961 
1962 	for (i = 0; i < adev->sdma.num_instances; i++) {
1963 		u32 tmp = RREG32_SDMA(i, mmSDMA0_STATUS_REG);
1964 
1965 		if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1966 			return false;
1967 	}
1968 
1969 	return true;
1970 }
1971 
1972 static int sdma_v4_0_wait_for_idle(void *handle)
1973 {
1974 	unsigned i, j;
1975 	u32 sdma[AMDGPU_MAX_SDMA_INSTANCES];
1976 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1977 
1978 	for (i = 0; i < adev->usec_timeout; i++) {
1979 		for (j = 0; j < adev->sdma.num_instances; j++) {
1980 			sdma[j] = RREG32_SDMA(j, mmSDMA0_STATUS_REG);
1981 			if (!(sdma[j] & SDMA0_STATUS_REG__IDLE_MASK))
1982 				break;
1983 		}
1984 		if (j == adev->sdma.num_instances)
1985 			return 0;
1986 		udelay(1);
1987 	}
1988 	return -ETIMEDOUT;
1989 }
1990 
1991 static int sdma_v4_0_soft_reset(void *handle)
1992 {
1993 	/* todo */
1994 
1995 	return 0;
1996 }
1997 
1998 static int sdma_v4_0_set_trap_irq_state(struct amdgpu_device *adev,
1999 					struct amdgpu_irq_src *source,
2000 					unsigned type,
2001 					enum amdgpu_interrupt_state state)
2002 {
2003 	u32 sdma_cntl;
2004 
2005 	sdma_cntl = RREG32_SDMA(type, mmSDMA0_CNTL);
2006 	sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
2007 		       state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
2008 	WREG32_SDMA(type, mmSDMA0_CNTL, sdma_cntl);
2009 
2010 	return 0;
2011 }
2012 
2013 static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev,
2014 				      struct amdgpu_irq_src *source,
2015 				      struct amdgpu_iv_entry *entry)
2016 {
2017 	uint32_t instance;
2018 
2019 	DRM_DEBUG("IH: SDMA trap\n");
2020 	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
2021 	switch (entry->ring_id) {
2022 	case 0:
2023 		amdgpu_fence_process(&adev->sdma.instance[instance].ring);
2024 		break;
2025 	case 1:
2026 		if (adev->asic_type == CHIP_VEGA20)
2027 			amdgpu_fence_process(&adev->sdma.instance[instance].page);
2028 		break;
2029 	case 2:
2030 		/* XXX compute */
2031 		break;
2032 	case 3:
2033 		if (adev->asic_type != CHIP_VEGA20)
2034 			amdgpu_fence_process(&adev->sdma.instance[instance].page);
2035 		break;
2036 	}
2037 	return 0;
2038 }
2039 
2040 static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev,
2041 		void *err_data,
2042 		struct amdgpu_iv_entry *entry)
2043 {
2044 	int instance;
2045 
2046 	/* When “Full RAS” is enabled, the per-IP interrupt sources should
2047 	 * be disabled and the driver should only look for the aggregated
2048 	 * interrupt via sync flood
2049 	 */
2050 	if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX))
2051 		goto out;
2052 
2053 	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
2054 	if (instance < 0)
2055 		goto out;
2056 
2057 	amdgpu_sdma_process_ras_data_cb(adev, err_data, entry);
2058 
2059 out:
2060 	return AMDGPU_RAS_SUCCESS;
2061 }
2062 
2063 static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev,
2064 					      struct amdgpu_irq_src *source,
2065 					      struct amdgpu_iv_entry *entry)
2066 {
2067 	int instance;
2068 
2069 	DRM_ERROR("Illegal instruction in SDMA command stream\n");
2070 
2071 	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
2072 	if (instance < 0)
2073 		return 0;
2074 
2075 	switch (entry->ring_id) {
2076 	case 0:
2077 		drm_sched_fault(&adev->sdma.instance[instance].ring.sched);
2078 		break;
2079 	}
2080 	return 0;
2081 }
2082 
2083 static int sdma_v4_0_set_ecc_irq_state(struct amdgpu_device *adev,
2084 					struct amdgpu_irq_src *source,
2085 					unsigned type,
2086 					enum amdgpu_interrupt_state state)
2087 {
2088 	u32 sdma_edc_config;
2089 
2090 	sdma_edc_config = RREG32_SDMA(type, mmSDMA0_EDC_CONFIG);
2091 	sdma_edc_config = REG_SET_FIELD(sdma_edc_config, SDMA0_EDC_CONFIG, ECC_INT_ENABLE,
2092 		       state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
2093 	WREG32_SDMA(type, mmSDMA0_EDC_CONFIG, sdma_edc_config);
2094 
2095 	return 0;
2096 }
2097 
2098 static void sdma_v4_0_update_medium_grain_clock_gating(
2099 		struct amdgpu_device *adev,
2100 		bool enable)
2101 {
2102 	uint32_t data, def;
2103 	int i;
2104 
2105 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
2106 		for (i = 0; i < adev->sdma.num_instances; i++) {
2107 			def = data = RREG32_SDMA(i, mmSDMA0_CLK_CTRL);
2108 			data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
2109 				  SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
2110 				  SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
2111 				  SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
2112 				  SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
2113 				  SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
2114 				  SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
2115 				  SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
2116 			if (def != data)
2117 				WREG32_SDMA(i, mmSDMA0_CLK_CTRL, data);
2118 		}
2119 	} else {
2120 		for (i = 0; i < adev->sdma.num_instances; i++) {
2121 			def = data = RREG32_SDMA(i, mmSDMA0_CLK_CTRL);
2122 			data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
2123 				 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
2124 				 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
2125 				 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
2126 				 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
2127 				 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
2128 				 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
2129 				 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
2130 			if (def != data)
2131 				WREG32_SDMA(i, mmSDMA0_CLK_CTRL, data);
2132 		}
2133 	}
2134 }
2135 
2136 
2137 static void sdma_v4_0_update_medium_grain_light_sleep(
2138 		struct amdgpu_device *adev,
2139 		bool enable)
2140 {
2141 	uint32_t data, def;
2142 	int i;
2143 
2144 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
2145 		for (i = 0; i < adev->sdma.num_instances; i++) {
2146 			/* 1-not override: enable sdma mem light sleep */
2147 			def = data = RREG32_SDMA(0, mmSDMA0_POWER_CNTL);
2148 			data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
2149 			if (def != data)
2150 				WREG32_SDMA(0, mmSDMA0_POWER_CNTL, data);
2151 		}
2152 	} else {
2153 		for (i = 0; i < adev->sdma.num_instances; i++) {
2154 		/* 0-override:disable sdma mem light sleep */
2155 			def = data = RREG32_SDMA(0, mmSDMA0_POWER_CNTL);
2156 			data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
2157 			if (def != data)
2158 				WREG32_SDMA(0, mmSDMA0_POWER_CNTL, data);
2159 		}
2160 	}
2161 }
2162 
2163 static int sdma_v4_0_set_clockgating_state(void *handle,
2164 					  enum amd_clockgating_state state)
2165 {
2166 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2167 
2168 	if (amdgpu_sriov_vf(adev))
2169 		return 0;
2170 
2171 	switch (adev->asic_type) {
2172 	case CHIP_VEGA10:
2173 	case CHIP_VEGA12:
2174 	case CHIP_VEGA20:
2175 	case CHIP_RAVEN:
2176 	case CHIP_ARCTURUS:
2177 	case CHIP_RENOIR:
2178 		sdma_v4_0_update_medium_grain_clock_gating(adev,
2179 				state == AMD_CG_STATE_GATE);
2180 		sdma_v4_0_update_medium_grain_light_sleep(adev,
2181 				state == AMD_CG_STATE_GATE);
2182 		break;
2183 	default:
2184 		break;
2185 	}
2186 	return 0;
2187 }
2188 
2189 static int sdma_v4_0_set_powergating_state(void *handle,
2190 					  enum amd_powergating_state state)
2191 {
2192 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2193 
2194 	switch (adev->asic_type) {
2195 	case CHIP_RAVEN:
2196 		sdma_v4_1_update_power_gating(adev,
2197 				state == AMD_PG_STATE_GATE ? true : false);
2198 		break;
2199 	default:
2200 		break;
2201 	}
2202 
2203 	return 0;
2204 }
2205 
2206 static void sdma_v4_0_get_clockgating_state(void *handle, u32 *flags)
2207 {
2208 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2209 	int data;
2210 
2211 	if (amdgpu_sriov_vf(adev))
2212 		*flags = 0;
2213 
2214 	/* AMD_CG_SUPPORT_SDMA_MGCG */
2215 	data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
2216 	if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
2217 		*flags |= AMD_CG_SUPPORT_SDMA_MGCG;
2218 
2219 	/* AMD_CG_SUPPORT_SDMA_LS */
2220 	data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
2221 	if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
2222 		*flags |= AMD_CG_SUPPORT_SDMA_LS;
2223 }
2224 
2225 const struct amd_ip_funcs sdma_v4_0_ip_funcs = {
2226 	.name = "sdma_v4_0",
2227 	.early_init = sdma_v4_0_early_init,
2228 	.late_init = sdma_v4_0_late_init,
2229 	.sw_init = sdma_v4_0_sw_init,
2230 	.sw_fini = sdma_v4_0_sw_fini,
2231 	.hw_init = sdma_v4_0_hw_init,
2232 	.hw_fini = sdma_v4_0_hw_fini,
2233 	.suspend = sdma_v4_0_suspend,
2234 	.resume = sdma_v4_0_resume,
2235 	.is_idle = sdma_v4_0_is_idle,
2236 	.wait_for_idle = sdma_v4_0_wait_for_idle,
2237 	.soft_reset = sdma_v4_0_soft_reset,
2238 	.set_clockgating_state = sdma_v4_0_set_clockgating_state,
2239 	.set_powergating_state = sdma_v4_0_set_powergating_state,
2240 	.get_clockgating_state = sdma_v4_0_get_clockgating_state,
2241 };
2242 
2243 static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {
2244 	.type = AMDGPU_RING_TYPE_SDMA,
2245 	.align_mask = 0xf,
2246 	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2247 	.support_64bit_ptrs = true,
2248 	.vmhub = AMDGPU_MMHUB_0,
2249 	.get_rptr = sdma_v4_0_ring_get_rptr,
2250 	.get_wptr = sdma_v4_0_ring_get_wptr,
2251 	.set_wptr = sdma_v4_0_ring_set_wptr,
2252 	.emit_frame_size =
2253 		6 + /* sdma_v4_0_ring_emit_hdp_flush */
2254 		3 + /* hdp invalidate */
2255 		6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2256 		/* sdma_v4_0_ring_emit_vm_flush */
2257 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2258 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2259 		10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2260 	.emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2261 	.emit_ib = sdma_v4_0_ring_emit_ib,
2262 	.emit_fence = sdma_v4_0_ring_emit_fence,
2263 	.emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2264 	.emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2265 	.emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2266 	.test_ring = sdma_v4_0_ring_test_ring,
2267 	.test_ib = sdma_v4_0_ring_test_ib,
2268 	.insert_nop = sdma_v4_0_ring_insert_nop,
2269 	.pad_ib = sdma_v4_0_ring_pad_ib,
2270 	.emit_wreg = sdma_v4_0_ring_emit_wreg,
2271 	.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2272 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2273 };
2274 
2275 /*
2276  * On Arcturus, SDMA instance 5~7 has a different vmhub type(AMDGPU_MMHUB_1).
2277  * So create a individual constant ring_funcs for those instances.
2278  */
2279 static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs_2nd_mmhub = {
2280 	.type = AMDGPU_RING_TYPE_SDMA,
2281 	.align_mask = 0xf,
2282 	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2283 	.support_64bit_ptrs = true,
2284 	.vmhub = AMDGPU_MMHUB_1,
2285 	.get_rptr = sdma_v4_0_ring_get_rptr,
2286 	.get_wptr = sdma_v4_0_ring_get_wptr,
2287 	.set_wptr = sdma_v4_0_ring_set_wptr,
2288 	.emit_frame_size =
2289 		6 + /* sdma_v4_0_ring_emit_hdp_flush */
2290 		3 + /* hdp invalidate */
2291 		6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2292 		/* sdma_v4_0_ring_emit_vm_flush */
2293 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2294 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2295 		10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2296 	.emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2297 	.emit_ib = sdma_v4_0_ring_emit_ib,
2298 	.emit_fence = sdma_v4_0_ring_emit_fence,
2299 	.emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2300 	.emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2301 	.emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2302 	.test_ring = sdma_v4_0_ring_test_ring,
2303 	.test_ib = sdma_v4_0_ring_test_ib,
2304 	.insert_nop = sdma_v4_0_ring_insert_nop,
2305 	.pad_ib = sdma_v4_0_ring_pad_ib,
2306 	.emit_wreg = sdma_v4_0_ring_emit_wreg,
2307 	.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2308 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2309 };
2310 
2311 static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs = {
2312 	.type = AMDGPU_RING_TYPE_SDMA,
2313 	.align_mask = 0xf,
2314 	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2315 	.support_64bit_ptrs = true,
2316 	.vmhub = AMDGPU_MMHUB_0,
2317 	.get_rptr = sdma_v4_0_ring_get_rptr,
2318 	.get_wptr = sdma_v4_0_page_ring_get_wptr,
2319 	.set_wptr = sdma_v4_0_page_ring_set_wptr,
2320 	.emit_frame_size =
2321 		6 + /* sdma_v4_0_ring_emit_hdp_flush */
2322 		3 + /* hdp invalidate */
2323 		6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2324 		/* sdma_v4_0_ring_emit_vm_flush */
2325 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2326 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2327 		10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2328 	.emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2329 	.emit_ib = sdma_v4_0_ring_emit_ib,
2330 	.emit_fence = sdma_v4_0_ring_emit_fence,
2331 	.emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2332 	.emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2333 	.emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2334 	.test_ring = sdma_v4_0_ring_test_ring,
2335 	.test_ib = sdma_v4_0_ring_test_ib,
2336 	.insert_nop = sdma_v4_0_ring_insert_nop,
2337 	.pad_ib = sdma_v4_0_ring_pad_ib,
2338 	.emit_wreg = sdma_v4_0_ring_emit_wreg,
2339 	.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2340 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2341 };
2342 
2343 static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs_2nd_mmhub = {
2344 	.type = AMDGPU_RING_TYPE_SDMA,
2345 	.align_mask = 0xf,
2346 	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2347 	.support_64bit_ptrs = true,
2348 	.vmhub = AMDGPU_MMHUB_1,
2349 	.get_rptr = sdma_v4_0_ring_get_rptr,
2350 	.get_wptr = sdma_v4_0_page_ring_get_wptr,
2351 	.set_wptr = sdma_v4_0_page_ring_set_wptr,
2352 	.emit_frame_size =
2353 		6 + /* sdma_v4_0_ring_emit_hdp_flush */
2354 		3 + /* hdp invalidate */
2355 		6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2356 		/* sdma_v4_0_ring_emit_vm_flush */
2357 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2358 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2359 		10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2360 	.emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2361 	.emit_ib = sdma_v4_0_ring_emit_ib,
2362 	.emit_fence = sdma_v4_0_ring_emit_fence,
2363 	.emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2364 	.emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2365 	.emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2366 	.test_ring = sdma_v4_0_ring_test_ring,
2367 	.test_ib = sdma_v4_0_ring_test_ib,
2368 	.insert_nop = sdma_v4_0_ring_insert_nop,
2369 	.pad_ib = sdma_v4_0_ring_pad_ib,
2370 	.emit_wreg = sdma_v4_0_ring_emit_wreg,
2371 	.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2372 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2373 };
2374 
2375 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev)
2376 {
2377 	int i;
2378 
2379 	for (i = 0; i < adev->sdma.num_instances; i++) {
2380 		if (adev->asic_type == CHIP_ARCTURUS && i >= 5)
2381 			adev->sdma.instance[i].ring.funcs =
2382 					&sdma_v4_0_ring_funcs_2nd_mmhub;
2383 		else
2384 			adev->sdma.instance[i].ring.funcs =
2385 					&sdma_v4_0_ring_funcs;
2386 		adev->sdma.instance[i].ring.me = i;
2387 		if (adev->sdma.has_page_queue) {
2388 			if (adev->asic_type == CHIP_ARCTURUS && i >= 5)
2389 				adev->sdma.instance[i].page.funcs =
2390 					&sdma_v4_0_page_ring_funcs_2nd_mmhub;
2391 			else
2392 				adev->sdma.instance[i].page.funcs =
2393 					&sdma_v4_0_page_ring_funcs;
2394 			adev->sdma.instance[i].page.me = i;
2395 		}
2396 	}
2397 }
2398 
2399 static const struct amdgpu_irq_src_funcs sdma_v4_0_trap_irq_funcs = {
2400 	.set = sdma_v4_0_set_trap_irq_state,
2401 	.process = sdma_v4_0_process_trap_irq,
2402 };
2403 
2404 static const struct amdgpu_irq_src_funcs sdma_v4_0_illegal_inst_irq_funcs = {
2405 	.process = sdma_v4_0_process_illegal_inst_irq,
2406 };
2407 
2408 static const struct amdgpu_irq_src_funcs sdma_v4_0_ecc_irq_funcs = {
2409 	.set = sdma_v4_0_set_ecc_irq_state,
2410 	.process = amdgpu_sdma_process_ecc_irq,
2411 };
2412 
2413 
2414 
2415 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)
2416 {
2417 	switch (adev->sdma.num_instances) {
2418 	case 1:
2419 		adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE1;
2420 		adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE1;
2421 		break;
2422 	case 8:
2423 		adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
2424 		adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
2425 		break;
2426 	case 2:
2427 	default:
2428 		adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE2;
2429 		adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE2;
2430 		break;
2431 	}
2432 	adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs;
2433 	adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs;
2434 	adev->sdma.ecc_irq.funcs = &sdma_v4_0_ecc_irq_funcs;
2435 }
2436 
2437 /**
2438  * sdma_v4_0_emit_copy_buffer - copy buffer using the sDMA engine
2439  *
2440  * @ring: amdgpu_ring structure holding ring information
2441  * @src_offset: src GPU address
2442  * @dst_offset: dst GPU address
2443  * @byte_count: number of bytes to xfer
2444  *
2445  * Copy GPU buffers using the DMA engine (VEGA10/12).
2446  * Used by the amdgpu ttm implementation to move pages if
2447  * registered as the asic copy callback.
2448  */
2449 static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib,
2450 				       uint64_t src_offset,
2451 				       uint64_t dst_offset,
2452 				       uint32_t byte_count)
2453 {
2454 	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
2455 		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
2456 	ib->ptr[ib->length_dw++] = byte_count - 1;
2457 	ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
2458 	ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
2459 	ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
2460 	ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2461 	ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2462 }
2463 
2464 /**
2465  * sdma_v4_0_emit_fill_buffer - fill buffer using the sDMA engine
2466  *
2467  * @ring: amdgpu_ring structure holding ring information
2468  * @src_data: value to write to buffer
2469  * @dst_offset: dst GPU address
2470  * @byte_count: number of bytes to xfer
2471  *
2472  * Fill GPU buffers using the DMA engine (VEGA10/12).
2473  */
2474 static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib,
2475 				       uint32_t src_data,
2476 				       uint64_t dst_offset,
2477 				       uint32_t byte_count)
2478 {
2479 	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
2480 	ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2481 	ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2482 	ib->ptr[ib->length_dw++] = src_data;
2483 	ib->ptr[ib->length_dw++] = byte_count - 1;
2484 }
2485 
2486 static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
2487 	.copy_max_bytes = 0x400000,
2488 	.copy_num_dw = 7,
2489 	.emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
2490 
2491 	.fill_max_bytes = 0x400000,
2492 	.fill_num_dw = 5,
2493 	.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
2494 };
2495 
2496 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
2497 {
2498 	adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
2499 	if (adev->sdma.has_page_queue)
2500 		adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
2501 	else
2502 		adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
2503 }
2504 
2505 static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = {
2506 	.copy_pte_num_dw = 7,
2507 	.copy_pte = sdma_v4_0_vm_copy_pte,
2508 
2509 	.write_pte = sdma_v4_0_vm_write_pte,
2510 	.set_pte_pde = sdma_v4_0_vm_set_pte_pde,
2511 };
2512 
2513 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev)
2514 {
2515 	struct drm_gpu_scheduler *sched;
2516 	unsigned i;
2517 
2518 	adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs;
2519 	for (i = 0; i < adev->sdma.num_instances; i++) {
2520 		if (adev->sdma.has_page_queue)
2521 			sched = &adev->sdma.instance[i].page.sched;
2522 		else
2523 			sched = &adev->sdma.instance[i].ring.sched;
2524 		adev->vm_manager.vm_pte_scheds[i] = sched;
2525 	}
2526 	adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
2527 }
2528 
2529 static void sdma_v4_0_get_ras_error_count(uint32_t value,
2530 					uint32_t instance,
2531 					uint32_t *sec_count)
2532 {
2533 	uint32_t i;
2534 	uint32_t sec_cnt;
2535 
2536 	/* double bits error (multiple bits) error detection is not supported */
2537 	for (i = 0; i < ARRAY_SIZE(sdma_v4_0_ras_fields); i++) {
2538 		/* the SDMA_EDC_COUNTER register in each sdma instance
2539 		 * shares the same sed shift_mask
2540 		 * */
2541 		sec_cnt = (value &
2542 			sdma_v4_0_ras_fields[i].sec_count_mask) >>
2543 			sdma_v4_0_ras_fields[i].sec_count_shift;
2544 		if (sec_cnt) {
2545 			DRM_INFO("Detected %s in SDMA%d, SED %d\n",
2546 				sdma_v4_0_ras_fields[i].name,
2547 				instance, sec_cnt);
2548 			*sec_count += sec_cnt;
2549 		}
2550 	}
2551 }
2552 
2553 static int sdma_v4_0_query_ras_error_count(struct amdgpu_device *adev,
2554 			uint32_t instance, void *ras_error_status)
2555 {
2556 	struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
2557 	uint32_t sec_count = 0;
2558 	uint32_t reg_value = 0;
2559 
2560 	reg_value = RREG32_SDMA(instance, mmSDMA0_EDC_COUNTER);
2561 	/* double bit error is not supported */
2562 	if (reg_value)
2563 		sdma_v4_0_get_ras_error_count(reg_value,
2564 				instance, &sec_count);
2565 	/* err_data->ce_count should be initialized to 0
2566 	 * before calling into this function */
2567 	err_data->ce_count += sec_count;
2568 	/* double bit error is not supported
2569 	 * set ue count to 0 */
2570 	err_data->ue_count = 0;
2571 
2572 	return 0;
2573 };
2574 
2575 static const struct amdgpu_sdma_ras_funcs sdma_v4_0_ras_funcs = {
2576 	.ras_late_init = amdgpu_sdma_ras_late_init,
2577 	.ras_fini = amdgpu_sdma_ras_fini,
2578 	.query_ras_error_count = sdma_v4_0_query_ras_error_count,
2579 };
2580 
2581 static void sdma_v4_0_set_ras_funcs(struct amdgpu_device *adev)
2582 {
2583 	switch (adev->asic_type) {
2584 	case CHIP_VEGA20:
2585 	case CHIP_ARCTURUS:
2586 		adev->sdma.funcs = &sdma_v4_0_ras_funcs;
2587 		break;
2588 	default:
2589 		break;
2590 	}
2591 }
2592 
2593 const struct amdgpu_ip_block_version sdma_v4_0_ip_block = {
2594 	.type = AMD_IP_BLOCK_TYPE_SDMA,
2595 	.major = 4,
2596 	.minor = 0,
2597 	.rev = 0,
2598 	.funcs = &sdma_v4_0_ip_funcs,
2599 };
2600