drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

   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/firmware.h>
  25 #include <drm/drmP.h>
  26 #include "amdgpu.h"
  27 #include "amdgpu_ucode.h"
  28 #include "amdgpu_trace.h"
  29
  30 #include "sdma0/sdma0_4_2_offset.h"
  31 #include "sdma0/sdma0_4_2_sh_mask.h"
  32 #include "sdma1/sdma1_4_2_offset.h"
  33 #include "sdma1/sdma1_4_2_sh_mask.h"
  34 #include "hdp/hdp_4_0_offset.h"
  35 #include "sdma0/sdma0_4_1_default.h"
  36
  37 #include "soc15_common.h"
  38 #include "soc15.h"
  39 #include "vega10_sdma_pkt_open.h"
  40
  41 #include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h"
  42 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h"
  43
  44 MODULE_FIRMWARE("amdgpu/vega10_sdma.bin");
  45 MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin");
  46 MODULE_FIRMWARE("amdgpu/vega12_sdma.bin");
  47 MODULE_FIRMWARE("amdgpu/vega12_sdma1.bin");
  48 MODULE_FIRMWARE("amdgpu/vega20_sdma.bin");
  49 MODULE_FIRMWARE("amdgpu/vega20_sdma1.bin");
  50 MODULE_FIRMWARE("amdgpu/raven_sdma.bin");
  51 MODULE_FIRMWARE("amdgpu/picasso_sdma.bin");
  52 MODULE_FIRMWARE("amdgpu/raven2_sdma.bin");
  53
  54 #define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK  0x000000F8L
  55 #define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L
  56
  57 #define WREG32_SDMA(instance, offset, value) \
  58         WREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)), value)
  59 #define RREG32_SDMA(instance, offset) \
  60         RREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)))
  61
  62 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev);
  63 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev);
  64 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev);
  65 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev);
  66
  67 static const struct soc15_reg_golden golden_settings_sdma_4[] = {
  68         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
  69         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xff000ff0, 0x3f000100),
  70         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0100, 0x00000100),
  71         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  72         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
  73         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  74         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003ff006, 0x0003c000),
  75         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
  76         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  77         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
  78         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  79         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
  80         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000),
  81         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
  82         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
  83         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_IB_CNTL, 0x800f0100, 0x00000100),
  84         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  85         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
  86         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  87         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_POWER_CNTL, 0x003ff000, 0x0003c000),
  88         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
  89         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  90         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
  91         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  92         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
  93         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_WATERMK, 0xfc000000, 0x00000000)
  94 };
  95
  96 static const struct soc15_reg_golden golden_settings_sdma_vg10[] = {
  97         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
  98         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002),
  99         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
 100         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002)
 101 };
 102
 103 static const struct soc15_reg_golden golden_settings_sdma_vg12[] = {
 104         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
 105         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001),
 106         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
 107         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001)
 108 };
 109
 110 static const struct soc15_reg_golden golden_settings_sdma_4_1[] = {
 111         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
 112         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
 113         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100),
 114         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 115         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0xfc3fffff, 0x40000051),
 116         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100),
 117         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 118         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100),
 119         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 120         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 121         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000)
 122 };
 123
 124 static const struct soc15_reg_golden golden_settings_sdma0_4_2_init[] = {
 125         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
 126 };
 127
 128 static const struct soc15_reg_golden golden_settings_sdma0_4_2[] =
 129 {
 130         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
 131         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
 132         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 133         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 134         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 135         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 136         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 137         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 138         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RD_BURST_CNTL, 0x0000000f, 0x00000003),
 139         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 140         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
 141         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 142         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 143         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 144         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 145         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 146         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 147         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 148         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 149         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 150         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 151         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 152         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 153         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 154         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 155         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 156         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xFE000000, 0x00000000),
 157 };
 158
 159 static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = {
 160         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
 161         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
 162         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 163         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 164         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 165         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 166         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 167         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 168         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RD_BURST_CNTL, 0x0000000f, 0x00000003),
 169         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 170         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
 171         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 172         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 173         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 174         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 175         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 176         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 177         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 178         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 179         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 180         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 181         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 182         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 183         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 184         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 185         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 186         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_WATERMK, 0xFE000000, 0x00000000),
 187 };
 188
 189 static const struct soc15_reg_golden golden_settings_sdma_rv1[] =
 190 {
 191         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002),
 192         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002)
 193 };
 194
 195 static const struct soc15_reg_golden golden_settings_sdma_rv2[] =
 196 {
 197         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00003001),
 198         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00003001)
 199 };
 200
 201 static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev,
 202                 u32 instance, u32 offset)
 203 {
 204         return ( 0 == instance ? (adev->reg_offset[SDMA0_HWIP][0][0] + offset) :
 205                         (adev->reg_offset[SDMA1_HWIP][0][0] + offset));
 206 }
 207
 208 static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev)
 209 {
 210         switch (adev->asic_type) {
 211         case CHIP_VEGA10:
 212                 soc15_program_register_sequence(adev,
 213                                                  golden_settings_sdma_4,
 214                                                  ARRAY_SIZE(golden_settings_sdma_4));
 215                 soc15_program_register_sequence(adev,
 216                                                  golden_settings_sdma_vg10,
 217                                                  ARRAY_SIZE(golden_settings_sdma_vg10));
 218                 break;
 219         case CHIP_VEGA12:
 220                 soc15_program_register_sequence(adev,
 221                                                 golden_settings_sdma_4,
 222                                                 ARRAY_SIZE(golden_settings_sdma_4));
 223                 soc15_program_register_sequence(adev,
 224                                                 golden_settings_sdma_vg12,
 225                                                 ARRAY_SIZE(golden_settings_sdma_vg12));
 226                 break;
 227         case CHIP_VEGA20:
 228                 soc15_program_register_sequence(adev,
 229                                                 golden_settings_sdma0_4_2_init,
 230                                                 ARRAY_SIZE(golden_settings_sdma0_4_2_init));
 231                 soc15_program_register_sequence(adev,
 232                                                 golden_settings_sdma0_4_2,
 233                                                 ARRAY_SIZE(golden_settings_sdma0_4_2));
 234                 soc15_program_register_sequence(adev,
 235                                                 golden_settings_sdma1_4_2,
 236                                                 ARRAY_SIZE(golden_settings_sdma1_4_2));
 237                 break;
 238         case CHIP_RAVEN:
 239                 soc15_program_register_sequence(adev,
 240                                                 golden_settings_sdma_4_1,
 241                                                 ARRAY_SIZE(golden_settings_sdma_4_1));
 242                 if (adev->rev_id >= 8)
 243                         soc15_program_register_sequence(adev,
 244                                                         golden_settings_sdma_rv2,
 245                                                         ARRAY_SIZE(golden_settings_sdma_rv2));
 246                 else
 247                         soc15_program_register_sequence(adev,
 248                                                         golden_settings_sdma_rv1,
 249                                                         ARRAY_SIZE(golden_settings_sdma_rv1));
 250                 break;
 251         default:
 252                 break;
 253         }
 254 }
 255
 256 /**
 257  * sdma_v4_0_init_microcode - load ucode images from disk
 258  *
 259  * @adev: amdgpu_device pointer
 260  *
 261  * Use the firmware interface to load the ucode images into
 262  * the driver (not loaded into hw).
 263  * Returns 0 on success, error on failure.
 264  */
 265
 266 // emulation only, won't work on real chip
 267 // vega10 real chip need to use PSP to load firmware
 268 static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
 269 {
 270         const char *chip_name;
 271         char fw_name[30];
 272         int err = 0, i;
 273         struct amdgpu_firmware_info *info = NULL;
 274         const struct common_firmware_header *header = NULL;
 275         const struct sdma_firmware_header_v1_0 *hdr;
 276
 277         DRM_DEBUG("\n");
 278
 279         switch (adev->asic_type) {
 280         case CHIP_VEGA10:
 281                 chip_name = "vega10";
 282                 break;
 283         case CHIP_VEGA12:
 284                 chip_name = "vega12";
 285                 break;
 286         case CHIP_VEGA20:
 287                 chip_name = "vega20";
 288                 break;
 289         case CHIP_RAVEN:
 290                 if (adev->rev_id >= 8)
 291                         chip_name = "raven2";
 292                 else if (adev->pdev->device == 0x15d8)
 293                         chip_name = "picasso";
 294                 else
 295                         chip_name = "raven";
 296                 break;
 297         default:
 298                 BUG();
 299         }
 300
 301         for (i = 0; i < adev->sdma.num_instances; i++) {
 302                 if (i == 0)
 303                         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
 304                 else
 305                         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name);
 306                 err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
 307                 if (err)
 308                         goto out;
 309                 err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
 310                 if (err)
 311                         goto out;
 312                 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
 313                 adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version);
 314                 adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version);
 315                 if (adev->sdma.instance[i].feature_version >= 20)
 316                         adev->sdma.instance[i].burst_nop = true;
 317                 DRM_DEBUG("psp_load == '%s'\n",
 318                                 adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false");
 319
 320                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 321                         info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
 322                         info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
 323                         info->fw = adev->sdma.instance[i].fw;
 324                         header = (const struct common_firmware_header *)info->fw->data;
 325                         adev->firmware.fw_size +=
 326                                 ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
 327                 }
 328         }
 329 out:
 330         if (err) {
 331                 DRM_ERROR("sdma_v4_0: Failed to load firmware \"%s\"\n", fw_name);
 332                 for (i = 0; i < adev->sdma.num_instances; i++) {
 333                         release_firmware(adev->sdma.instance[i].fw);
 334                         adev->sdma.instance[i].fw = NULL;
 335                 }
 336         }
 337         return err;
 338 }
 339
 340 /**
 341  * sdma_v4_0_ring_get_rptr - get the current read pointer
 342  *
 343  * @ring: amdgpu ring pointer
 344  *
 345  * Get the current rptr from the hardware (VEGA10+).
 346  */
 347 static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring)
 348 {
 349         u64 *rptr;
 350
 351         /* XXX check if swapping is necessary on BE */
 352         rptr = ((u64 *)&ring->adev->wb.wb[ring->rptr_offs]);
 353
 354         DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
 355         return ((*rptr) >> 2);
 356 }
 357
 358 /**
 359  * sdma_v4_0_ring_get_wptr - get the current write pointer
 360  *
 361  * @ring: amdgpu ring pointer
 362  *
 363  * Get the current wptr from the hardware (VEGA10+).
 364  */
 365 static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring)
 366 {
 367         struct amdgpu_device *adev = ring->adev;
 368         u64 wptr;
 369
 370         if (ring->use_doorbell) {
 371                 /* XXX check if swapping is necessary on BE */
 372                 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
 373                 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
 374         } else {
 375                 wptr = RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI);
 376                 wptr = wptr << 32;
 377                 wptr |= RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR);
 378                 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n",
 379                                 ring->me, wptr);
 380         }
 381
 382         return wptr >> 2;
 383 }
 384
 385 /**
 386  * sdma_v4_0_ring_set_wptr - commit the write pointer
 387  *
 388  * @ring: amdgpu ring pointer
 389  *
 390  * Write the wptr back to the hardware (VEGA10+).
 391  */
 392 static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring)
 393 {
 394         struct amdgpu_device *adev = ring->adev;
 395
 396         DRM_DEBUG("Setting write pointer\n");
 397         if (ring->use_doorbell) {
 398                 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
 399
 400                 DRM_DEBUG("Using doorbell -- "
 401                                 "wptr_offs == 0x%08x "
 402                                 "lower_32_bits(ring->wptr) << 2 == 0x%08x "
 403                                 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
 404                                 ring->wptr_offs,
 405                                 lower_32_bits(ring->wptr << 2),
 406                                 upper_32_bits(ring->wptr << 2));
 407                 /* XXX check if swapping is necessary on BE */
 408                 WRITE_ONCE(*wb, (ring->wptr << 2));
 409                 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 410                                 ring->doorbell_index, ring->wptr << 2);
 411                 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 412         } else {
 413                 DRM_DEBUG("Not using doorbell -- "
 414                                 "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
 415                                 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
 416                                 ring->me,
 417                                 lower_32_bits(ring->wptr << 2),
 418                                 ring->me,
 419                                 upper_32_bits(ring->wptr << 2));
 420                 WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR,
 421                             lower_32_bits(ring->wptr << 2));
 422                 WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI,
 423                             upper_32_bits(ring->wptr << 2));
 424         }
 425 }
 426
 427 /**
 428  * sdma_v4_0_page_ring_get_wptr - get the current write pointer
 429  *
 430  * @ring: amdgpu ring pointer
 431  *
 432  * Get the current wptr from the hardware (VEGA10+).
 433  */
 434 static uint64_t sdma_v4_0_page_ring_get_wptr(struct amdgpu_ring *ring)
 435 {
 436         struct amdgpu_device *adev = ring->adev;
 437         u64 wptr;
 438
 439         if (ring->use_doorbell) {
 440                 /* XXX check if swapping is necessary on BE */
 441                 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
 442         } else {
 443                 wptr = RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI);
 444                 wptr = wptr << 32;
 445                 wptr |= RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR);
 446         }
 447
 448         return wptr >> 2;
 449 }
 450
 451 /**
 452  * sdma_v4_0_ring_set_wptr - commit the write pointer
 453  *
 454  * @ring: amdgpu ring pointer
 455  *
 456  * Write the wptr back to the hardware (VEGA10+).
 457  */
 458 static void sdma_v4_0_page_ring_set_wptr(struct amdgpu_ring *ring)
 459 {
 460         struct amdgpu_device *adev = ring->adev;
 461
 462         if (ring->use_doorbell) {
 463                 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
 464
 465                 /* XXX check if swapping is necessary on BE */
 466                 WRITE_ONCE(*wb, (ring->wptr << 2));
 467                 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 468         } else {
 469                 uint64_t wptr = ring->wptr << 2;
 470
 471                 WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR,
 472                             lower_32_bits(wptr));
 473                 WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI,
 474                             upper_32_bits(wptr));
 475         }
 476 }
 477
 478 static void sdma_v4_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 479 {
 480         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
 481         int i;
 482
 483         for (i = 0; i < count; i++)
 484                 if (sdma && sdma->burst_nop && (i == 0))
 485                         amdgpu_ring_write(ring, ring->funcs->nop |
 486                                 SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 487                 else
 488                         amdgpu_ring_write(ring, ring->funcs->nop);
 489 }
 490
 491 /**
 492  * sdma_v4_0_ring_emit_ib - Schedule an IB on the DMA engine
 493  *
 494  * @ring: amdgpu ring pointer
 495  * @ib: IB object to schedule
 496  *
 497  * Schedule an IB in the DMA ring (VEGA10).
 498  */
 499 static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring,
 500                                    struct amdgpu_job *job,
 501                                    struct amdgpu_ib *ib,
 502                                    bool ctx_switch)
 503 {
 504         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 505
 506         /* IB packet must end on a 8 DW boundary */
 507         sdma_v4_0_ring_insert_nop(ring, (10 - (lower_32_bits(ring->wptr) & 7)) % 8);
 508
 509         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
 510                           SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
 511         /* base must be 32 byte aligned */
 512         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
 513         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 514         amdgpu_ring_write(ring, ib->length_dw);
 515         amdgpu_ring_write(ring, 0);
 516         amdgpu_ring_write(ring, 0);
 517
 518 }
 519
 520 static void sdma_v4_0_wait_reg_mem(struct amdgpu_ring *ring,
 521                                    int mem_space, int hdp,
 522                                    uint32_t addr0, uint32_t addr1,
 523                                    uint32_t ref, uint32_t mask,
 524                                    uint32_t inv)
 525 {
 526         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
 527                           SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) |
 528                           SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) |
 529                           SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
 530         if (mem_space) {
 531                 /* memory */
 532                 amdgpu_ring_write(ring, addr0);
 533                 amdgpu_ring_write(ring, addr1);
 534         } else {
 535                 /* registers */
 536                 amdgpu_ring_write(ring, addr0 << 2);
 537                 amdgpu_ring_write(ring, addr1 << 2);
 538         }
 539         amdgpu_ring_write(ring, ref); /* reference */
 540         amdgpu_ring_write(ring, mask); /* mask */
 541         amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
 542                           SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */
 543 }
 544
 545 /**
 546  * sdma_v4_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
 547  *
 548  * @ring: amdgpu ring pointer
 549  *
 550  * Emit an hdp flush packet on the requested DMA ring.
 551  */
 552 static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
 553 {
 554         struct amdgpu_device *adev = ring->adev;
 555         u32 ref_and_mask = 0;
 556         const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio_funcs->hdp_flush_reg;
 557
 558         if (ring->me == 0)
 559                 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0;
 560         else
 561                 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1;
 562
 563         sdma_v4_0_wait_reg_mem(ring, 0, 1,
 564                                adev->nbio_funcs->get_hdp_flush_done_offset(adev),
 565                                adev->nbio_funcs->get_hdp_flush_req_offset(adev),
 566                                ref_and_mask, ref_and_mask, 10);
 567 }
 568
 569 /**
 570  * sdma_v4_0_ring_emit_fence - emit a fence on the DMA ring
 571  *
 572  * @ring: amdgpu ring pointer
 573  * @fence: amdgpu fence object
 574  *
 575  * Add a DMA fence packet to the ring to write
 576  * the fence seq number and DMA trap packet to generate
 577  * an interrupt if needed (VEGA10).
 578  */
 579 static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 580                                       unsigned flags)
 581 {
 582         bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
 583         /* write the fence */
 584         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 585         /* zero in first two bits */
 586         BUG_ON(addr & 0x3);
 587         amdgpu_ring_write(ring, lower_32_bits(addr));
 588         amdgpu_ring_write(ring, upper_32_bits(addr));
 589         amdgpu_ring_write(ring, lower_32_bits(seq));
 590
 591         /* optionally write high bits as well */
 592         if (write64bit) {
 593                 addr += 4;
 594                 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 595                 /* zero in first two bits */
 596                 BUG_ON(addr & 0x3);
 597                 amdgpu_ring_write(ring, lower_32_bits(addr));
 598                 amdgpu_ring_write(ring, upper_32_bits(addr));
 599                 amdgpu_ring_write(ring, upper_32_bits(seq));
 600         }
 601
 602         /* generate an interrupt */
 603         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
 604         amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0));
 605 }
 606
 607
 608 /**
 609  * sdma_v4_0_gfx_stop - stop the gfx async dma engines
 610  *
 611  * @adev: amdgpu_device pointer
 612  *
 613  * Stop the gfx async dma ring buffers (VEGA10).
 614  */
 615 static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev)
 616 {
 617         struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring;
 618         struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring;
 619         u32 rb_cntl, ib_cntl;
 620         int i;
 621
 622         if ((adev->mman.buffer_funcs_ring == sdma0) ||
 623             (adev->mman.buffer_funcs_ring == sdma1))
 624                         amdgpu_ttm_set_buffer_funcs_status(adev, false);
 625
 626         for (i = 0; i < adev->sdma.num_instances; i++) {
 627                 rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
 628                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
 629                 WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
 630                 ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
 631                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
 632                 WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
 633         }
 634
 635         sdma0->sched.ready = false;
 636         sdma1->sched.ready = false;
 637 }
 638
 639 /**
 640  * sdma_v4_0_rlc_stop - stop the compute async dma engines
 641  *
 642  * @adev: amdgpu_device pointer
 643  *
 644  * Stop the compute async dma queues (VEGA10).
 645  */
 646 static void sdma_v4_0_rlc_stop(struct amdgpu_device *adev)
 647 {
 648         /* XXX todo */
 649 }
 650
 651 /**
 652  * sdma_v4_0_page_stop - stop the page async dma engines
 653  *
 654  * @adev: amdgpu_device pointer
 655  *
 656  * Stop the page async dma ring buffers (VEGA10).
 657  */
 658 static void sdma_v4_0_page_stop(struct amdgpu_device *adev)
 659 {
 660         struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].page;
 661         struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].page;
 662         u32 rb_cntl, ib_cntl;
 663         int i;
 664
 665         if ((adev->mman.buffer_funcs_ring == sdma0) ||
 666             (adev->mman.buffer_funcs_ring == sdma1))
 667                 amdgpu_ttm_set_buffer_funcs_status(adev, false);
 668
 669         for (i = 0; i < adev->sdma.num_instances; i++) {
 670                 rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
 671                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
 672                                         RB_ENABLE, 0);
 673                 WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
 674                 ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
 675                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL,
 676                                         IB_ENABLE, 0);
 677                 WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
 678         }
 679
 680         sdma0->sched.ready = false;
 681         sdma1->sched.ready = false;
 682 }
 683
 684 /**
 685  * sdma_v_0_ctx_switch_enable - stop the async dma engines context switch
 686  *
 687  * @adev: amdgpu_device pointer
 688  * @enable: enable/disable the DMA MEs context switch.
 689  *
 690  * Halt or unhalt the async dma engines context switch (VEGA10).
 691  */
 692 static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
 693 {
 694         u32 f32_cntl, phase_quantum = 0;
 695         int i;
 696
 697         if (amdgpu_sdma_phase_quantum) {
 698                 unsigned value = amdgpu_sdma_phase_quantum;
 699                 unsigned unit = 0;
 700
 701                 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 702                                 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
 703                         value = (value + 1) >> 1;
 704                         unit++;
 705                 }
 706                 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 707                             SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
 708                         value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 709                                  SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
 710                         unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 711                                 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
 712                         WARN_ONCE(1,
 713                         "clamping sdma_phase_quantum to %uK clock cycles\n",
 714                                   value << unit);
 715                 }
 716                 phase_quantum =
 717                         value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
 718                         unit  << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
 719         }
 720
 721         for (i = 0; i < adev->sdma.num_instances; i++) {
 722                 f32_cntl = RREG32_SDMA(i, mmSDMA0_CNTL);
 723                 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
 724                                 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
 725                 if (enable && amdgpu_sdma_phase_quantum) {
 726                         WREG32_SDMA(i, mmSDMA0_PHASE0_QUANTUM, phase_quantum);
 727                         WREG32_SDMA(i, mmSDMA0_PHASE1_QUANTUM, phase_quantum);
 728                         WREG32_SDMA(i, mmSDMA0_PHASE2_QUANTUM, phase_quantum);
 729                 }
 730                 WREG32_SDMA(i, mmSDMA0_CNTL, f32_cntl);
 731         }
 732
 733 }
 734
 735 /**
 736  * sdma_v4_0_enable - stop the async dma engines
 737  *
 738  * @adev: amdgpu_device pointer
 739  * @enable: enable/disable the DMA MEs.
 740  *
 741  * Halt or unhalt the async dma engines (VEGA10).
 742  */
 743 static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable)
 744 {
 745         u32 f32_cntl;
 746         int i;
 747
 748         if (enable == false) {
 749                 sdma_v4_0_gfx_stop(adev);
 750                 sdma_v4_0_rlc_stop(adev);
 751                 if (adev->sdma.has_page_queue)
 752                         sdma_v4_0_page_stop(adev);
 753         }
 754
 755         for (i = 0; i < adev->sdma.num_instances; i++) {
 756                 f32_cntl = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
 757                 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
 758                 WREG32_SDMA(i, mmSDMA0_F32_CNTL, f32_cntl);
 759         }
 760 }
 761
 762 /**
 763  * sdma_v4_0_rb_cntl - get parameters for rb_cntl
 764  */
 765 static uint32_t sdma_v4_0_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl)
 766 {
 767         /* Set ring buffer size in dwords */
 768         uint32_t rb_bufsz = order_base_2(ring->ring_size / 4);
 769
 770         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
 771 #ifdef __BIG_ENDIAN
 772         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
 773         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
 774                                 RPTR_WRITEBACK_SWAP_ENABLE, 1);
 775 #endif
 776         return rb_cntl;
 777 }
 778
 779 /**
 780  * sdma_v4_0_gfx_resume - setup and start the async dma engines
 781  *
 782  * @adev: amdgpu_device pointer
 783  * @i: instance to resume
 784  *
 785  * Set up the gfx DMA ring buffers and enable them (VEGA10).
 786  * Returns 0 for success, error for failure.
 787  */
 788 static void sdma_v4_0_gfx_resume(struct amdgpu_device *adev, unsigned int i)
 789 {
 790         struct amdgpu_ring *ring = &adev->sdma.instance[i].ring;
 791         u32 rb_cntl, ib_cntl, wptr_poll_cntl;
 792         u32 wb_offset;
 793         u32 doorbell;
 794         u32 doorbell_offset;
 795         u64 wptr_gpu_addr;
 796
 797         wb_offset = (ring->rptr_offs * 4);
 798
 799         rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
 800         rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
 801         WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
 802
 803         /* Initialize the ring buffer's read and write pointers */
 804         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR, 0);
 805         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_HI, 0);
 806         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR, 0);
 807         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_HI, 0);
 808
 809         /* set the wb address whether it's enabled or not */
 810         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_HI,
 811                upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
 812         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_LO,
 813                lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
 814
 815         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
 816                                 RPTR_WRITEBACK_ENABLE, 1);
 817
 818         WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE, ring->gpu_addr >> 8);
 819         WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE_HI, ring->gpu_addr >> 40);
 820
 821         ring->wptr = 0;
 822
 823         /* before programing wptr to a less value, need set minor_ptr_update first */
 824         WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 1);
 825
 826         doorbell = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL);
 827         doorbell_offset = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET);
 828
 829         doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE,
 830                                  ring->use_doorbell);
 831         doorbell_offset = REG_SET_FIELD(doorbell_offset,
 832                                         SDMA0_GFX_DOORBELL_OFFSET,
 833                                         OFFSET, ring->doorbell_index);
 834         WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL, doorbell);
 835         WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET, doorbell_offset);
 836         adev->nbio_funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
 837                                               ring->doorbell_index);
 838
 839         sdma_v4_0_ring_set_wptr(ring);
 840
 841         /* set minor_ptr_update to 0 after wptr programed */
 842         WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 0);
 843
 844         /* setup the wptr shadow polling */
 845         wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
 846         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO,
 847                     lower_32_bits(wptr_gpu_addr));
 848         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI,
 849                     upper_32_bits(wptr_gpu_addr));
 850         wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL);
 851         wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
 852                                        SDMA0_GFX_RB_WPTR_POLL_CNTL,
 853                                        F32_POLL_ENABLE, amdgpu_sriov_vf(adev));
 854         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
 855
 856         /* enable DMA RB */
 857         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
 858         WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
 859
 860         ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
 861         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
 862 #ifdef __BIG_ENDIAN
 863         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
 864 #endif
 865         /* enable DMA IBs */
 866         WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
 867
 868         ring->sched.ready = true;
 869 }
 870
 871 /**
 872  * sdma_v4_0_page_resume - setup and start the async dma engines
 873  *
 874  * @adev: amdgpu_device pointer
 875  * @i: instance to resume
 876  *
 877  * Set up the page DMA ring buffers and enable them (VEGA10).
 878  * Returns 0 for success, error for failure.
 879  */
 880 static void sdma_v4_0_page_resume(struct amdgpu_device *adev, unsigned int i)
 881 {
 882         struct amdgpu_ring *ring = &adev->sdma.instance[i].page;
 883         u32 rb_cntl, ib_cntl, wptr_poll_cntl;
 884         u32 wb_offset;
 885         u32 doorbell;
 886         u32 doorbell_offset;
 887         u64 wptr_gpu_addr;
 888
 889         wb_offset = (ring->rptr_offs * 4);
 890
 891         rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
 892         rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
 893         WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
 894
 895         /* Initialize the ring buffer's read and write pointers */
 896         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR, 0);
 897         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_HI, 0);
 898         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR, 0);
 899         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_HI, 0);
 900
 901         /* set the wb address whether it's enabled or not */
 902         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_HI,
 903                upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
 904         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_LO,
 905                lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
 906
 907         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
 908                                 RPTR_WRITEBACK_ENABLE, 1);
 909
 910         WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE, ring->gpu_addr >> 8);
 911         WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE_HI, ring->gpu_addr >> 40);
 912
 913         ring->wptr = 0;
 914
 915         /* before programing wptr to a less value, need set minor_ptr_update first */
 916         WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 1);
 917
 918         doorbell = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL);
 919         doorbell_offset = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET);
 920
 921         doorbell = REG_SET_FIELD(doorbell, SDMA0_PAGE_DOORBELL, ENABLE,
 922                                  ring->use_doorbell);
 923         doorbell_offset = REG_SET_FIELD(doorbell_offset,
 924                                         SDMA0_PAGE_DOORBELL_OFFSET,
 925                                         OFFSET, ring->doorbell_index);
 926         WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL, doorbell);
 927         WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET, doorbell_offset);
 928
 929         /* paging queue doorbell range is setup at sdma_v4_0_gfx_resume */
 930         sdma_v4_0_page_ring_set_wptr(ring);
 931
 932         /* set minor_ptr_update to 0 after wptr programed */
 933         WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 0);
 934
 935         /* setup the wptr shadow polling */
 936         wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
 937         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_LO,
 938                     lower_32_bits(wptr_gpu_addr));
 939         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_HI,
 940                     upper_32_bits(wptr_gpu_addr));
 941         wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL);
 942         wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
 943                                        SDMA0_PAGE_RB_WPTR_POLL_CNTL,
 944                                        F32_POLL_ENABLE, amdgpu_sriov_vf(adev));
 945         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
 946
 947         /* enable DMA RB */
 948         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL, RB_ENABLE, 1);
 949         WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
 950
 951         ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
 952         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_ENABLE, 1);
 953 #ifdef __BIG_ENDIAN
 954         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1);
 955 #endif
 956         /* enable DMA IBs */
 957         WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
 958
 959         ring->sched.ready = true;
 960 }
 961
 962 static void
 963 sdma_v4_1_update_power_gating(struct amdgpu_device *adev, bool enable)
 964 {
 965         uint32_t def, data;
 966
 967         if (enable && (adev->pg_flags & AMD_PG_SUPPORT_SDMA)) {
 968                 /* enable idle interrupt */
 969                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
 970                 data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
 971
 972                 if (data != def)
 973                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
 974         } else {
 975                 /* disable idle interrupt */
 976                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
 977                 data &= ~SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
 978                 if (data != def)
 979                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
 980         }
 981 }
 982
 983 static void sdma_v4_1_init_power_gating(struct amdgpu_device *adev)
 984 {
 985         uint32_t def, data;
 986
 987         /* Enable HW based PG. */
 988         def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
 989         data |= SDMA0_POWER_CNTL__PG_CNTL_ENABLE_MASK;
 990         if (data != def)
 991                 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
 992
 993         /* enable interrupt */
 994         def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
 995         data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
 996         if (data != def)
 997                 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
 998
 999         /* Configure hold time to filter in-valid power on/off request. Use default right now */
1000         def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1001         data &= ~SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK;
1002         data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK);
1003         /* Configure switch time for hysteresis purpose. Use default right now */
1004         data &= ~SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK;
1005         data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK);
1006         if(data != def)
1007                 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
1008 }
1009
1010 static void sdma_v4_0_init_pg(struct amdgpu_device *adev)
1011 {
1012         if (!(adev->pg_flags & AMD_PG_SUPPORT_SDMA))
1013                 return;
1014
1015         switch (adev->asic_type) {
1016         case CHIP_RAVEN:
1017                 sdma_v4_1_init_power_gating(adev);
1018                 sdma_v4_1_update_power_gating(adev, true);
1019                 break;
1020         default:
1021                 break;
1022         }
1023 }
1024
1025 /**
1026  * sdma_v4_0_rlc_resume - setup and start the async dma engines
1027  *
1028  * @adev: amdgpu_device pointer
1029  *
1030  * Set up the compute DMA queues and enable them (VEGA10).
1031  * Returns 0 for success, error for failure.
1032  */
1033 static int sdma_v4_0_rlc_resume(struct amdgpu_device *adev)
1034 {
1035         sdma_v4_0_init_pg(adev);
1036
1037         return 0;
1038 }
1039
1040 /**
1041  * sdma_v4_0_load_microcode - load the sDMA ME ucode
1042  *
1043  * @adev: amdgpu_device pointer
1044  *
1045  * Loads the sDMA0/1 ucode.
1046  * Returns 0 for success, -EINVAL if the ucode is not available.
1047  */
1048 static int sdma_v4_0_load_microcode(struct amdgpu_device *adev)
1049 {
1050         const struct sdma_firmware_header_v1_0 *hdr;
1051         const __le32 *fw_data;
1052         u32 fw_size;
1053         int i, j;
1054
1055         /* halt the MEs */
1056         sdma_v4_0_enable(adev, false);
1057
1058         for (i = 0; i < adev->sdma.num_instances; i++) {
1059                 if (!adev->sdma.instance[i].fw)
1060                         return -EINVAL;
1061
1062                 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
1063                 amdgpu_ucode_print_sdma_hdr(&hdr->header);
1064                 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
1065
1066                 fw_data = (const __le32 *)
1067                         (adev->sdma.instance[i].fw->data +
1068                                 le32_to_cpu(hdr->header.ucode_array_offset_bytes));
1069
1070                 WREG32_SDMA(i, mmSDMA0_UCODE_ADDR, 0);
1071
1072                 for (j = 0; j < fw_size; j++)
1073                         WREG32_SDMA(i, mmSDMA0_UCODE_DATA,
1074                                     le32_to_cpup(fw_data++));
1075
1076                 WREG32_SDMA(i, mmSDMA0_UCODE_ADDR,
1077                             adev->sdma.instance[i].fw_version);
1078         }
1079
1080         return 0;
1081 }
1082
1083 /**
1084  * sdma_v4_0_start - setup and start the async dma engines
1085  *
1086  * @adev: amdgpu_device pointer
1087  *
1088  * Set up the DMA engines and enable them (VEGA10).
1089  * Returns 0 for success, error for failure.
1090  */
1091 static int sdma_v4_0_start(struct amdgpu_device *adev)
1092 {
1093         struct amdgpu_ring *ring;
1094         int i, r;
1095
1096         if (amdgpu_sriov_vf(adev)) {
1097                 sdma_v4_0_ctx_switch_enable(adev, false);
1098                 sdma_v4_0_enable(adev, false);
1099         } else {
1100
1101                 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1102                         r = sdma_v4_0_load_microcode(adev);
1103                         if (r)
1104                                 return r;
1105                 }
1106
1107                 /* unhalt the MEs */
1108                 sdma_v4_0_enable(adev, true);
1109                 /* enable sdma ring preemption */
1110                 sdma_v4_0_ctx_switch_enable(adev, true);
1111         }
1112
1113         /* start the gfx rings and rlc compute queues */
1114         for (i = 0; i < adev->sdma.num_instances; i++) {
1115                 uint32_t temp;
1116
1117                 WREG32_SDMA(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL, 0);
1118                 sdma_v4_0_gfx_resume(adev, i);
1119                 if (adev->sdma.has_page_queue)
1120                         sdma_v4_0_page_resume(adev, i);
1121
1122                 /* set utc l1 enable flag always to 1 */
1123                 temp = RREG32_SDMA(i, mmSDMA0_CNTL);
1124                 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
1125                 WREG32_SDMA(i, mmSDMA0_CNTL, temp);
1126
1127                 if (!amdgpu_sriov_vf(adev)) {
1128                         /* unhalt engine */
1129                         temp = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
1130                         temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
1131                         WREG32_SDMA(i, mmSDMA0_F32_CNTL, temp);
1132                 }
1133         }
1134
1135         if (amdgpu_sriov_vf(adev)) {
1136                 sdma_v4_0_ctx_switch_enable(adev, true);
1137                 sdma_v4_0_enable(adev, true);
1138         } else {
1139                 r = sdma_v4_0_rlc_resume(adev);
1140                 if (r)
1141                         return r;
1142         }
1143
1144         for (i = 0; i < adev->sdma.num_instances; i++) {
1145                 ring = &adev->sdma.instance[i].ring;
1146
1147                 r = amdgpu_ring_test_helper(ring);
1148                 if (r)
1149                         return r;
1150
1151                 if (adev->sdma.has_page_queue) {
1152                         struct amdgpu_ring *page = &adev->sdma.instance[i].page;
1153
1154                         r = amdgpu_ring_test_helper(page);
1155                         if (r)
1156                                 return r;
1157
1158                         if (adev->mman.buffer_funcs_ring == page)
1159                                 amdgpu_ttm_set_buffer_funcs_status(adev, true);
1160                 }
1161
1162                 if (adev->mman.buffer_funcs_ring == ring)
1163                         amdgpu_ttm_set_buffer_funcs_status(adev, true);
1164         }
1165
1166         return r;
1167 }
1168
1169 /**
1170  * sdma_v4_0_ring_test_ring - simple async dma engine test
1171  *
1172  * @ring: amdgpu_ring structure holding ring information
1173  *
1174  * Test the DMA engine by writing using it to write an
1175  * value to memory. (VEGA10).
1176  * Returns 0 for success, error for failure.
1177  */
1178 static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring)
1179 {
1180         struct amdgpu_device *adev = ring->adev;
1181         unsigned i;
1182         unsigned index;
1183         int r;
1184         u32 tmp;
1185         u64 gpu_addr;
1186
1187         r = amdgpu_device_wb_get(adev, &index);
1188         if (r)
1189                 return r;
1190
1191         gpu_addr = adev->wb.gpu_addr + (index * 4);
1192         tmp = 0xCAFEDEAD;
1193         adev->wb.wb[index] = cpu_to_le32(tmp);
1194
1195         r = amdgpu_ring_alloc(ring, 5);
1196         if (r)
1197                 goto error_free_wb;
1198
1199         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1200                           SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1201         amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1202         amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1203         amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1204         amdgpu_ring_write(ring, 0xDEADBEEF);
1205         amdgpu_ring_commit(ring);
1206
1207         for (i = 0; i < adev->usec_timeout; i++) {
1208                 tmp = le32_to_cpu(adev->wb.wb[index]);
1209                 if (tmp == 0xDEADBEEF)
1210                         break;
1211                 DRM_UDELAY(1);
1212         }
1213
1214         if (i >= adev->usec_timeout)
1215                 r = -ETIMEDOUT;
1216
1217 error_free_wb:
1218         amdgpu_device_wb_free(adev, index);
1219         return r;
1220 }
1221
1222 /**
1223  * sdma_v4_0_ring_test_ib - test an IB on the DMA engine
1224  *
1225  * @ring: amdgpu_ring structure holding ring information
1226  *
1227  * Test a simple IB in the DMA ring (VEGA10).
1228  * Returns 0 on success, error on failure.
1229  */
1230 static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1231 {
1232         struct amdgpu_device *adev = ring->adev;
1233         struct amdgpu_ib ib;
1234         struct dma_fence *f = NULL;
1235         unsigned index;
1236         long r;
1237         u32 tmp = 0;
1238         u64 gpu_addr;
1239
1240         r = amdgpu_device_wb_get(adev, &index);
1241         if (r)
1242                 return r;
1243
1244         gpu_addr = adev->wb.gpu_addr + (index * 4);
1245         tmp = 0xCAFEDEAD;
1246         adev->wb.wb[index] = cpu_to_le32(tmp);
1247         memset(&ib, 0, sizeof(ib));
1248         r = amdgpu_ib_get(adev, NULL, 256, &ib);
1249         if (r)
1250                 goto err0;
1251
1252         ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1253                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1254         ib.ptr[1] = lower_32_bits(gpu_addr);
1255         ib.ptr[2] = upper_32_bits(gpu_addr);
1256         ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1257         ib.ptr[4] = 0xDEADBEEF;
1258         ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1259         ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1260         ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1261         ib.length_dw = 8;
1262
1263         r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1264         if (r)
1265                 goto err1;
1266
1267         r = dma_fence_wait_timeout(f, false, timeout);
1268         if (r == 0) {
1269                 r = -ETIMEDOUT;
1270                 goto err1;
1271         } else if (r < 0) {
1272                 goto err1;
1273         }
1274         tmp = le32_to_cpu(adev->wb.wb[index]);
1275         if (tmp == 0xDEADBEEF)
1276                 r = 0;
1277         else
1278                 r = -EINVAL;
1279
1280 err1:
1281         amdgpu_ib_free(adev, &ib, NULL);
1282         dma_fence_put(f);
1283 err0:
1284         amdgpu_device_wb_free(adev, index);
1285         return r;
1286 }
1287
1288
1289 /**
1290  * sdma_v4_0_vm_copy_pte - update PTEs by copying them from the GART
1291  *
1292  * @ib: indirect buffer to fill with commands
1293  * @pe: addr of the page entry
1294  * @src: src addr to copy from
1295  * @count: number of page entries to update
1296  *
1297  * Update PTEs by copying them from the GART using sDMA (VEGA10).
1298  */
1299 static void sdma_v4_0_vm_copy_pte(struct amdgpu_ib *ib,
1300                                   uint64_t pe, uint64_t src,
1301                                   unsigned count)
1302 {
1303         unsigned bytes = count * 8;
1304
1305         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1306                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1307         ib->ptr[ib->length_dw++] = bytes - 1;
1308         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1309         ib->ptr[ib->length_dw++] = lower_32_bits(src);
1310         ib->ptr[ib->length_dw++] = upper_32_bits(src);
1311         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1312         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1313
1314 }
1315
1316 /**
1317  * sdma_v4_0_vm_write_pte - update PTEs by writing them manually
1318  *
1319  * @ib: indirect buffer to fill with commands
1320  * @pe: addr of the page entry
1321  * @addr: dst addr to write into pe
1322  * @count: number of page entries to update
1323  * @incr: increase next addr by incr bytes
1324  * @flags: access flags
1325  *
1326  * Update PTEs by writing them manually using sDMA (VEGA10).
1327  */
1328 static void sdma_v4_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1329                                    uint64_t value, unsigned count,
1330                                    uint32_t incr)
1331 {
1332         unsigned ndw = count * 2;
1333
1334         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1335                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1336         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1337         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1338         ib->ptr[ib->length_dw++] = ndw - 1;
1339         for (; ndw > 0; ndw -= 2) {
1340                 ib->ptr[ib->length_dw++] = lower_32_bits(value);
1341                 ib->ptr[ib->length_dw++] = upper_32_bits(value);
1342                 value += incr;
1343         }
1344 }
1345
1346 /**
1347  * sdma_v4_0_vm_set_pte_pde - update the page tables using sDMA
1348  *
1349  * @ib: indirect buffer to fill with commands
1350  * @pe: addr of the page entry
1351  * @addr: dst addr to write into pe
1352  * @count: number of page entries to update
1353  * @incr: increase next addr by incr bytes
1354  * @flags: access flags
1355  *
1356  * Update the page tables using sDMA (VEGA10).
1357  */
1358 static void sdma_v4_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1359                                      uint64_t pe,
1360                                      uint64_t addr, unsigned count,
1361                                      uint32_t incr, uint64_t flags)
1362 {
1363         /* for physically contiguous pages (vram) */
1364         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1365         ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1366         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1367         ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1368         ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1369         ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1370         ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1371         ib->ptr[ib->length_dw++] = incr; /* increment size */
1372         ib->ptr[ib->length_dw++] = 0;
1373         ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1374 }
1375
1376 /**
1377  * sdma_v4_0_ring_pad_ib - pad the IB to the required number of dw
1378  *
1379  * @ib: indirect buffer to fill with padding
1380  *
1381  */
1382 static void sdma_v4_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1383 {
1384         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1385         u32 pad_count;
1386         int i;
1387
1388         pad_count = (8 - (ib->length_dw & 0x7)) % 8;
1389         for (i = 0; i < pad_count; i++)
1390                 if (sdma && sdma->burst_nop && (i == 0))
1391                         ib->ptr[ib->length_dw++] =
1392                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1393                                 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1394                 else
1395                         ib->ptr[ib->length_dw++] =
1396                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1397 }
1398
1399
1400 /**
1401  * sdma_v4_0_ring_emit_pipeline_sync - sync the pipeline
1402  *
1403  * @ring: amdgpu_ring pointer
1404  *
1405  * Make sure all previous operations are completed (CIK).
1406  */
1407 static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1408 {
1409         uint32_t seq = ring->fence_drv.sync_seq;
1410         uint64_t addr = ring->fence_drv.gpu_addr;
1411
1412         /* wait for idle */
1413         sdma_v4_0_wait_reg_mem(ring, 1, 0,
1414                                addr & 0xfffffffc,
1415                                upper_32_bits(addr) & 0xffffffff,
1416                                seq, 0xffffffff, 4);
1417 }
1418
1419
1420 /**
1421  * sdma_v4_0_ring_emit_vm_flush - vm flush using sDMA
1422  *
1423  * @ring: amdgpu_ring pointer
1424  * @vm: amdgpu_vm pointer
1425  *
1426  * Update the page table base and flush the VM TLB
1427  * using sDMA (VEGA10).
1428  */
1429 static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1430                                          unsigned vmid, uint64_t pd_addr)
1431 {
1432         amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1433 }
1434
1435 static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring,
1436                                      uint32_t reg, uint32_t val)
1437 {
1438         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1439                           SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1440         amdgpu_ring_write(ring, reg);
1441         amdgpu_ring_write(ring, val);
1442 }
1443
1444 static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1445                                          uint32_t val, uint32_t mask)
1446 {
1447         sdma_v4_0_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10);
1448 }
1449
1450 static bool sdma_v4_0_fw_support_paging_queue(struct amdgpu_device *adev)
1451 {
1452         uint fw_version = adev->sdma.instance[0].fw_version;
1453
1454         switch (adev->asic_type) {
1455         case CHIP_VEGA10:
1456                 return fw_version >= 430;
1457         case CHIP_VEGA12:
1458                 /*return fw_version >= 31;*/
1459                 return false;
1460         case CHIP_VEGA20:
1461                 /*return fw_version >= 115;*/
1462                 return false;
1463         default:
1464                 return false;
1465         }
1466 }
1467
1468 static int sdma_v4_0_early_init(void *handle)
1469 {
1470         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1471         int r;
1472
1473         if (adev->asic_type == CHIP_RAVEN)
1474                 adev->sdma.num_instances = 1;
1475         else
1476                 adev->sdma.num_instances = 2;
1477
1478         r = sdma_v4_0_init_microcode(adev);
1479         if (r) {
1480                 DRM_ERROR("Failed to load sdma firmware!\n");
1481                 return r;
1482         }
1483
1484         /* TODO: Page queue breaks driver reload under SRIOV */
1485         if ((adev->asic_type == CHIP_VEGA10) && amdgpu_sriov_vf((adev)))
1486                 adev->sdma.has_page_queue = false;
1487         else if (sdma_v4_0_fw_support_paging_queue(adev))
1488                 adev->sdma.has_page_queue = true;
1489
1490         sdma_v4_0_set_ring_funcs(adev);
1491         sdma_v4_0_set_buffer_funcs(adev);
1492         sdma_v4_0_set_vm_pte_funcs(adev);
1493         sdma_v4_0_set_irq_funcs(adev);
1494
1495         return 0;
1496 }
1497
1498 static int sdma_v4_0_sw_init(void *handle)
1499 {
1500         struct amdgpu_ring *ring;
1501         int r, i;
1502         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1503
1504         /* SDMA trap event */
1505         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, SDMA0_4_0__SRCID__SDMA_TRAP,
1506                               &adev->sdma.trap_irq);
1507         if (r)
1508                 return r;
1509
1510         /* SDMA trap event */
1511         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, SDMA1_4_0__SRCID__SDMA_TRAP,
1512                               &adev->sdma.trap_irq);
1513         if (r)
1514                 return r;
1515
1516         for (i = 0; i < adev->sdma.num_instances; i++) {
1517                 ring = &adev->sdma.instance[i].ring;
1518                 ring->ring_obj = NULL;
1519                 ring->use_doorbell = true;
1520
1521                 DRM_INFO("use_doorbell being set to: [%s]\n",
1522                                 ring->use_doorbell?"true":"false");
1523
1524                 /* doorbell size is 2 dwords, get DWORD offset */
1525                 ring->doorbell_index = (i == 0) ?
1526                         (adev->doorbell_index.sdma_engine0 << 1)
1527                         : (adev->doorbell_index.sdma_engine1 << 1);
1528
1529                 sprintf(ring->name, "sdma%d", i);
1530                 r = amdgpu_ring_init(adev, ring, 1024,
1531                                      &adev->sdma.trap_irq,
1532                                      (i == 0) ?
1533                                      AMDGPU_SDMA_IRQ_TRAP0 :
1534                                      AMDGPU_SDMA_IRQ_TRAP1);
1535                 if (r)
1536                         return r;
1537
1538                 if (adev->sdma.has_page_queue) {
1539                         ring = &adev->sdma.instance[i].page;
1540                         ring->ring_obj = NULL;
1541                         ring->use_doorbell = true;
1542
1543                         /* paging queue use same doorbell index/routing as gfx queue
1544                          * with 0x400 (4096 dwords) offset on second doorbell page
1545                          */
1546                         ring->doorbell_index = (i == 0) ?
1547                                 (adev->doorbell_index.sdma_engine0 << 1)
1548                                 : (adev->doorbell_index.sdma_engine1 << 1);
1549                         ring->doorbell_index += 0x400;
1550
1551                         sprintf(ring->name, "page%d", i);
1552                         r = amdgpu_ring_init(adev, ring, 1024,
1553                                              &adev->sdma.trap_irq,
1554                                              (i == 0) ?
1555                                              AMDGPU_SDMA_IRQ_TRAP0 :
1556                                              AMDGPU_SDMA_IRQ_TRAP1);
1557                         if (r)
1558                                 return r;
1559                 }
1560         }
1561
1562         return r;
1563 }
1564
1565 static int sdma_v4_0_sw_fini(void *handle)
1566 {
1567         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1568         int i;
1569
1570         for (i = 0; i < adev->sdma.num_instances; i++) {
1571                 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1572                 if (adev->sdma.has_page_queue)
1573                         amdgpu_ring_fini(&adev->sdma.instance[i].page);
1574         }
1575
1576         for (i = 0; i < adev->sdma.num_instances; i++) {
1577                 release_firmware(adev->sdma.instance[i].fw);
1578                 adev->sdma.instance[i].fw = NULL;
1579         }
1580
1581         return 0;
1582 }
1583
1584 static int sdma_v4_0_hw_init(void *handle)
1585 {
1586         int r;
1587         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1588
1589         if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs &&
1590                         adev->powerplay.pp_funcs->set_powergating_by_smu)
1591                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, false);
1592
1593         sdma_v4_0_init_golden_registers(adev);
1594
1595         r = sdma_v4_0_start(adev);
1596
1597         return r;
1598 }
1599
1600 static int sdma_v4_0_hw_fini(void *handle)
1601 {
1602         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1603
1604         if (amdgpu_sriov_vf(adev))
1605                 return 0;
1606
1607         sdma_v4_0_ctx_switch_enable(adev, false);
1608         sdma_v4_0_enable(adev, false);
1609
1610         if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs
1611                         && adev->powerplay.pp_funcs->set_powergating_by_smu)
1612                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, true);
1613
1614         return 0;
1615 }
1616
1617 static int sdma_v4_0_suspend(void *handle)
1618 {
1619         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1620
1621         return sdma_v4_0_hw_fini(adev);
1622 }
1623
1624 static int sdma_v4_0_resume(void *handle)
1625 {
1626         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1627
1628         return sdma_v4_0_hw_init(adev);
1629 }
1630
1631 static bool sdma_v4_0_is_idle(void *handle)
1632 {
1633         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1634         u32 i;
1635
1636         for (i = 0; i < adev->sdma.num_instances; i++) {
1637                 u32 tmp = RREG32_SDMA(i, mmSDMA0_STATUS_REG);
1638
1639                 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1640                         return false;
1641         }
1642
1643         return true;
1644 }
1645
1646 static int sdma_v4_0_wait_for_idle(void *handle)
1647 {
1648         unsigned i;
1649         u32 sdma0, sdma1;
1650         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1651
1652         for (i = 0; i < adev->usec_timeout; i++) {
1653                 sdma0 = RREG32_SDMA(0, mmSDMA0_STATUS_REG);
1654                 sdma1 = RREG32_SDMA(1, mmSDMA0_STATUS_REG);
1655
1656                 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
1657                         return 0;
1658                 udelay(1);
1659         }
1660         return -ETIMEDOUT;
1661 }
1662
1663 static int sdma_v4_0_soft_reset(void *handle)
1664 {
1665         /* todo */
1666
1667         return 0;
1668 }
1669
1670 static int sdma_v4_0_set_trap_irq_state(struct amdgpu_device *adev,
1671                                         struct amdgpu_irq_src *source,
1672                                         unsigned type,
1673                                         enum amdgpu_interrupt_state state)
1674 {
1675         unsigned int instance = (type == AMDGPU_SDMA_IRQ_TRAP0) ? 0 : 1;
1676         u32 sdma_cntl;
1677
1678         sdma_cntl = RREG32_SDMA(instance, mmSDMA0_CNTL);
1679         sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
1680                        state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1681         WREG32_SDMA(instance, mmSDMA0_CNTL, sdma_cntl);
1682
1683         return 0;
1684 }
1685
1686 static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev,
1687                                       struct amdgpu_irq_src *source,
1688                                       struct amdgpu_iv_entry *entry)
1689 {
1690         uint32_t instance;
1691
1692         DRM_DEBUG("IH: SDMA trap\n");
1693         switch (entry->client_id) {
1694         case SOC15_IH_CLIENTID_SDMA0:
1695                 instance = 0;
1696                 break;
1697         case SOC15_IH_CLIENTID_SDMA1:
1698                 instance = 1;
1699                 break;
1700         default:
1701                 return 0;
1702         }
1703
1704         switch (entry->ring_id) {
1705         case 0:
1706                 amdgpu_fence_process(&adev->sdma.instance[instance].ring);
1707                 break;
1708         case 1:
1709                 /* XXX compute */
1710                 break;
1711         case 2:
1712                 /* XXX compute */
1713                 break;
1714         case 3:
1715                 amdgpu_fence_process(&adev->sdma.instance[instance].page);
1716                 break;
1717         }
1718         return 0;
1719 }
1720
1721 static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev,
1722                                               struct amdgpu_irq_src *source,
1723                                               struct amdgpu_iv_entry *entry)
1724 {
1725         int instance;
1726
1727         DRM_ERROR("Illegal instruction in SDMA command stream\n");
1728
1729         switch (entry->client_id) {
1730         case SOC15_IH_CLIENTID_SDMA0:
1731                 instance = 0;
1732                 break;
1733         case SOC15_IH_CLIENTID_SDMA1:
1734                 instance = 1;
1735                 break;
1736         default:
1737                 return 0;
1738         }
1739
1740         switch (entry->ring_id) {
1741         case 0:
1742                 drm_sched_fault(&adev->sdma.instance[instance].ring.sched);
1743                 break;
1744         }
1745         return 0;
1746 }
1747
1748 static void sdma_v4_0_update_medium_grain_clock_gating(
1749                 struct amdgpu_device *adev,
1750                 bool enable)
1751 {
1752         uint32_t data, def;
1753
1754         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
1755                 /* enable sdma0 clock gating */
1756                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
1757                 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1758                           SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1759                           SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1760                           SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1761                           SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1762                           SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1763                           SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1764                           SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1765                 if (def != data)
1766                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data);
1767
1768                 if (adev->sdma.num_instances > 1) {
1769                         def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL));
1770                         data &= ~(SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1771                                   SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1772                                   SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1773                                   SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1774                                   SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1775                                   SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1776                                   SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1777                                   SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1778                         if (def != data)
1779                                 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data);
1780                 }
1781         } else {
1782                 /* disable sdma0 clock gating */
1783                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
1784                 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1785                          SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1786                          SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1787                          SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1788                          SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1789                          SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1790                          SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1791                          SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1792
1793                 if (def != data)
1794                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data);
1795
1796                 if (adev->sdma.num_instances > 1) {
1797                         def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL));
1798                         data |= (SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1799                                  SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1800                                  SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1801                                  SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1802                                  SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1803                                  SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1804                                  SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1805                                  SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1806                         if (def != data)
1807                                 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data);
1808                 }
1809         }
1810 }
1811
1812
1813 static void sdma_v4_0_update_medium_grain_light_sleep(
1814                 struct amdgpu_device *adev,
1815                 bool enable)
1816 {
1817         uint32_t data, def;
1818
1819         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
1820                 /* 1-not override: enable sdma0 mem light sleep */
1821                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1822                 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1823                 if (def != data)
1824                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
1825
1826                 /* 1-not override: enable sdma1 mem light sleep */
1827                 if (adev->sdma.num_instances > 1) {
1828                         def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL));
1829                         data |= SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1830                         if (def != data)
1831                                 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data);
1832                 }
1833         } else {
1834                 /* 0-override:disable sdma0 mem light sleep */
1835                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1836                 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1837                 if (def != data)
1838                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
1839
1840                 /* 0-override:disable sdma1 mem light sleep */
1841                 if (adev->sdma.num_instances > 1) {
1842                         def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL));
1843                         data &= ~SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1844                         if (def != data)
1845                                 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data);
1846                 }
1847         }
1848 }
1849
1850 static int sdma_v4_0_set_clockgating_state(void *handle,
1851                                           enum amd_clockgating_state state)
1852 {
1853         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1854
1855         if (amdgpu_sriov_vf(adev))
1856                 return 0;
1857
1858         switch (adev->asic_type) {
1859         case CHIP_VEGA10:
1860         case CHIP_VEGA12:
1861         case CHIP_VEGA20:
1862         case CHIP_RAVEN:
1863                 sdma_v4_0_update_medium_grain_clock_gating(adev,
1864                                 state == AMD_CG_STATE_GATE ? true : false);
1865                 sdma_v4_0_update_medium_grain_light_sleep(adev,
1866                                 state == AMD_CG_STATE_GATE ? true : false);
1867                 break;
1868         default:
1869                 break;
1870         }
1871         return 0;
1872 }
1873
1874 static int sdma_v4_0_set_powergating_state(void *handle,
1875                                           enum amd_powergating_state state)
1876 {
1877         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1878
1879         switch (adev->asic_type) {
1880         case CHIP_RAVEN:
1881                 sdma_v4_1_update_power_gating(adev,
1882                                 state == AMD_PG_STATE_GATE ? true : false);
1883                 break;
1884         default:
1885                 break;
1886         }
1887
1888         return 0;
1889 }
1890
1891 static void sdma_v4_0_get_clockgating_state(void *handle, u32 *flags)
1892 {
1893         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1894         int data;
1895
1896         if (amdgpu_sriov_vf(adev))
1897                 *flags = 0;
1898
1899         /* AMD_CG_SUPPORT_SDMA_MGCG */
1900         data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
1901         if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
1902                 *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1903
1904         /* AMD_CG_SUPPORT_SDMA_LS */
1905         data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1906         if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1907                 *flags |= AMD_CG_SUPPORT_SDMA_LS;
1908 }
1909
1910 const struct amd_ip_funcs sdma_v4_0_ip_funcs = {
1911         .name = "sdma_v4_0",
1912         .early_init = sdma_v4_0_early_init,
1913         .late_init = NULL,
1914         .sw_init = sdma_v4_0_sw_init,
1915         .sw_fini = sdma_v4_0_sw_fini,
1916         .hw_init = sdma_v4_0_hw_init,
1917         .hw_fini = sdma_v4_0_hw_fini,
1918         .suspend = sdma_v4_0_suspend,
1919         .resume = sdma_v4_0_resume,
1920         .is_idle = sdma_v4_0_is_idle,
1921         .wait_for_idle = sdma_v4_0_wait_for_idle,
1922         .soft_reset = sdma_v4_0_soft_reset,
1923         .set_clockgating_state = sdma_v4_0_set_clockgating_state,
1924         .set_powergating_state = sdma_v4_0_set_powergating_state,
1925         .get_clockgating_state = sdma_v4_0_get_clockgating_state,
1926 };
1927
1928 static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {
1929         .type = AMDGPU_RING_TYPE_SDMA,
1930         .align_mask = 0xf,
1931         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1932         .support_64bit_ptrs = true,
1933         .vmhub = AMDGPU_MMHUB,
1934         .get_rptr = sdma_v4_0_ring_get_rptr,
1935         .get_wptr = sdma_v4_0_ring_get_wptr,
1936         .set_wptr = sdma_v4_0_ring_set_wptr,
1937         .emit_frame_size =
1938                 6 + /* sdma_v4_0_ring_emit_hdp_flush */
1939                 3 + /* hdp invalidate */
1940                 6 + /* sdma_v4_0_ring_emit_pipeline_sync */
1941                 /* sdma_v4_0_ring_emit_vm_flush */
1942                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1943                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
1944                 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
1945         .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
1946         .emit_ib = sdma_v4_0_ring_emit_ib,
1947         .emit_fence = sdma_v4_0_ring_emit_fence,
1948         .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
1949         .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
1950         .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
1951         .test_ring = sdma_v4_0_ring_test_ring,
1952         .test_ib = sdma_v4_0_ring_test_ib,
1953         .insert_nop = sdma_v4_0_ring_insert_nop,
1954         .pad_ib = sdma_v4_0_ring_pad_ib,
1955         .emit_wreg = sdma_v4_0_ring_emit_wreg,
1956         .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
1957         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1958 };
1959
1960 static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs = {
1961         .type = AMDGPU_RING_TYPE_SDMA,
1962         .align_mask = 0xf,
1963         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1964         .support_64bit_ptrs = true,
1965         .vmhub = AMDGPU_MMHUB,
1966         .get_rptr = sdma_v4_0_ring_get_rptr,
1967         .get_wptr = sdma_v4_0_page_ring_get_wptr,
1968         .set_wptr = sdma_v4_0_page_ring_set_wptr,
1969         .emit_frame_size =
1970                 6 + /* sdma_v4_0_ring_emit_hdp_flush */
1971                 3 + /* hdp invalidate */
1972                 6 + /* sdma_v4_0_ring_emit_pipeline_sync */
1973                 /* sdma_v4_0_ring_emit_vm_flush */
1974                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1975                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
1976                 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
1977         .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
1978         .emit_ib = sdma_v4_0_ring_emit_ib,
1979         .emit_fence = sdma_v4_0_ring_emit_fence,
1980         .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
1981         .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
1982         .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
1983         .test_ring = sdma_v4_0_ring_test_ring,
1984         .test_ib = sdma_v4_0_ring_test_ib,
1985         .insert_nop = sdma_v4_0_ring_insert_nop,
1986         .pad_ib = sdma_v4_0_ring_pad_ib,
1987         .emit_wreg = sdma_v4_0_ring_emit_wreg,
1988         .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
1989         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1990 };
1991
1992 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev)
1993 {
1994         int i;
1995
1996         for (i = 0; i < adev->sdma.num_instances; i++) {
1997                 adev->sdma.instance[i].ring.funcs = &sdma_v4_0_ring_funcs;
1998                 adev->sdma.instance[i].ring.me = i;
1999                 if (adev->sdma.has_page_queue) {
2000                         adev->sdma.instance[i].page.funcs = &sdma_v4_0_page_ring_funcs;
2001                         adev->sdma.instance[i].page.me = i;
2002                 }
2003         }
2004 }
2005
2006 static const struct amdgpu_irq_src_funcs sdma_v4_0_trap_irq_funcs = {
2007         .set = sdma_v4_0_set_trap_irq_state,
2008         .process = sdma_v4_0_process_trap_irq,
2009 };
2010
2011 static const struct amdgpu_irq_src_funcs sdma_v4_0_illegal_inst_irq_funcs = {
2012         .process = sdma_v4_0_process_illegal_inst_irq,
2013 };
2014
2015 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)
2016 {
2017         adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
2018         adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs;
2019         adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs;
2020 }
2021
2022 /**
2023  * sdma_v4_0_emit_copy_buffer - copy buffer using the sDMA engine
2024  *
2025  * @ring: amdgpu_ring structure holding ring information
2026  * @src_offset: src GPU address
2027  * @dst_offset: dst GPU address
2028  * @byte_count: number of bytes to xfer
2029  *
2030  * Copy GPU buffers using the DMA engine (VEGA10/12).
2031  * Used by the amdgpu ttm implementation to move pages if
2032  * registered as the asic copy callback.
2033  */
2034 static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib,
2035                                        uint64_t src_offset,
2036                                        uint64_t dst_offset,
2037                                        uint32_t byte_count)
2038 {
2039         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
2040                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
2041         ib->ptr[ib->length_dw++] = byte_count - 1;
2042         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
2043         ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
2044         ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
2045         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2046         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2047 }
2048
2049 /**
2050  * sdma_v4_0_emit_fill_buffer - fill buffer using the sDMA engine
2051  *
2052  * @ring: amdgpu_ring structure holding ring information
2053  * @src_data: value to write to buffer
2054  * @dst_offset: dst GPU address
2055  * @byte_count: number of bytes to xfer
2056  *
2057  * Fill GPU buffers using the DMA engine (VEGA10/12).
2058  */
2059 static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib,
2060                                        uint32_t src_data,
2061                                        uint64_t dst_offset,
2062                                        uint32_t byte_count)
2063 {
2064         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
2065         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2066         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2067         ib->ptr[ib->length_dw++] = src_data;
2068         ib->ptr[ib->length_dw++] = byte_count - 1;
2069 }
2070
2071 static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
2072         .copy_max_bytes = 0x400000,
2073         .copy_num_dw = 7,
2074         .emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
2075
2076         .fill_max_bytes = 0x400000,
2077         .fill_num_dw = 5,
2078         .emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
2079 };
2080
2081 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
2082 {
2083         adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
2084         if (adev->sdma.has_page_queue)
2085                 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
2086         else
2087                 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
2088 }
2089
2090 static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = {
2091         .copy_pte_num_dw = 7,
2092         .copy_pte = sdma_v4_0_vm_copy_pte,
2093
2094         .write_pte = sdma_v4_0_vm_write_pte,
2095         .set_pte_pde = sdma_v4_0_vm_set_pte_pde,
2096 };
2097
2098 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev)
2099 {
2100         struct drm_gpu_scheduler *sched;
2101         unsigned i;
2102
2103         adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs;
2104         for (i = 0; i < adev->sdma.num_instances; i++) {
2105                 if (adev->sdma.has_page_queue)
2106                         sched = &adev->sdma.instance[i].page.sched;
2107                 else
2108                         sched = &adev->sdma.instance[i].ring.sched;
2109                 adev->vm_manager.vm_pte_rqs[i] =
2110                         &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL];
2111         }
2112         adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances;
2113 }
2114
2115 const struct amdgpu_ip_block_version sdma_v4_0_ip_block = {
2116         .type = AMD_IP_BLOCK_TYPE_SDMA,
2117         .major = 4,
2118         .minor = 0,
2119         .rev = 0,
2120         .funcs = &sdma_v4_0_ip_funcs,
2121 };