drivers/gpu/drm/amd/amdgpu/sdma_v4

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This source file includes following definitions.
sdma_v4_0_get_reg_offset
sdma_v4_0_seq_to_irq_id
sdma_v4_0_irq_id_to_seq
sdma_v4_0_init_golden_registers
sdma_v4_0_init_inst_ctx
sdma_v4_0_destroy_inst_ctx
sdma_v4_0_init_microcode
sdma_v4_0_ring_get_rptr
sdma_v4_0_ring_get_wptr
sdma_v4_0_ring_set_wptr
sdma_v4_0_page_ring_get_wptr
sdma_v4_0_page_ring_set_wptr
sdma_v4_0_ring_insert_nop
sdma_v4_0_ring_emit_ib
sdma_v4_0_wait_reg_mem
sdma_v4_0_ring_emit_hdp_flush
sdma_v4_0_ring_emit_fence
sdma_v4_0_gfx_stop
sdma_v4_0_rlc_stop
sdma_v4_0_page_stop
sdma_v4_0_ctx_switch_enable
sdma_v4_0_enable
sdma_v4_0_rb_cntl
sdma_v4_0_gfx_resume
sdma_v4_0_page_resume
sdma_v4_1_update_power_gating
sdma_v4_1_init_power_gating
sdma_v4_0_init_pg
sdma_v4_0_rlc_resume
sdma_v4_0_load_microcode
sdma_v4_0_start
sdma_v4_0_ring_test_ring
sdma_v4_0_ring_test_ib
sdma_v4_0_vm_copy_pte
sdma_v4_0_vm_write_pte
sdma_v4_0_vm_set_pte_pde
sdma_v4_0_ring_pad_ib
sdma_v4_0_ring_emit_pipeline_sync
sdma_v4_0_ring_emit_vm_flush
sdma_v4_0_ring_emit_wreg
sdma_v4_0_ring_emit_reg_wait
sdma_v4_0_fw_support_paging_queue
sdma_v4_0_early_init
sdma_v4_0_late_init
sdma_v4_0_sw_init
sdma_v4_0_sw_fini
sdma_v4_0_hw_init
sdma_v4_0_hw_fini
sdma_v4_0_suspend
sdma_v4_0_resume
sdma_v4_0_is_idle
sdma_v4_0_wait_for_idle
sdma_v4_0_soft_reset
sdma_v4_0_set_trap_irq_state
sdma_v4_0_process_trap_irq
sdma_v4_0_process_ras_data_cb
sdma_v4_0_process_ecc_irq
sdma_v4_0_process_illegal_inst_irq
sdma_v4_0_set_ecc_irq_state
sdma_v4_0_update_medium_grain_clock_gating
sdma_v4_0_update_medium_grain_light_sleep
sdma_v4_0_set_clockgating_state
sdma_v4_0_set_powergating_state
sdma_v4_0_get_clockgating_state
sdma_v4_0_set_ring_funcs
sdma_v4_0_set_irq_funcs
sdma_v4_0_emit_copy_buffer
sdma_v4_0_emit_fill_buffer
sdma_v4_0_set_buffer_funcs
sdma_v4_0_set_vm_pte_funcs
   1 /*
   2  * Copyright 2016 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 
  24 #include <linux/delay.h>
  25 #include <linux/firmware.h>
  26 #include <linux/module.h>
  27 #include <linux/pci.h>
  28 
  29 #include "amdgpu.h"
  30 #include "amdgpu_ucode.h"
  31 #include "amdgpu_trace.h"
  32 
  33 #include "sdma0/sdma0_4_2_offset.h"
  34 #include "sdma0/sdma0_4_2_sh_mask.h"
  35 #include "sdma1/sdma1_4_2_offset.h"
  36 #include "sdma1/sdma1_4_2_sh_mask.h"
  37 #include "sdma2/sdma2_4_2_2_offset.h"
  38 #include "sdma2/sdma2_4_2_2_sh_mask.h"
  39 #include "sdma3/sdma3_4_2_2_offset.h"
  40 #include "sdma3/sdma3_4_2_2_sh_mask.h"
  41 #include "sdma4/sdma4_4_2_2_offset.h"
  42 #include "sdma4/sdma4_4_2_2_sh_mask.h"
  43 #include "sdma5/sdma5_4_2_2_offset.h"
  44 #include "sdma5/sdma5_4_2_2_sh_mask.h"
  45 #include "sdma6/sdma6_4_2_2_offset.h"
  46 #include "sdma6/sdma6_4_2_2_sh_mask.h"
  47 #include "sdma7/sdma7_4_2_2_offset.h"
  48 #include "sdma7/sdma7_4_2_2_sh_mask.h"
  49 #include "hdp/hdp_4_0_offset.h"
  50 #include "sdma0/sdma0_4_1_default.h"
  51 
  52 #include "soc15_common.h"
  53 #include "soc15.h"
  54 #include "vega10_sdma_pkt_open.h"
  55 
  56 #include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h"
  57 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h"
  58 
  59 #include "amdgpu_ras.h"
  60 
  61 MODULE_FIRMWARE("amdgpu/vega10_sdma.bin");
  62 MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin");
  63 MODULE_FIRMWARE("amdgpu/vega12_sdma.bin");
  64 MODULE_FIRMWARE("amdgpu/vega12_sdma1.bin");
  65 MODULE_FIRMWARE("amdgpu/vega20_sdma.bin");
  66 MODULE_FIRMWARE("amdgpu/vega20_sdma1.bin");
  67 MODULE_FIRMWARE("amdgpu/raven_sdma.bin");
  68 MODULE_FIRMWARE("amdgpu/picasso_sdma.bin");
  69 MODULE_FIRMWARE("amdgpu/raven2_sdma.bin");
  70 MODULE_FIRMWARE("amdgpu/arcturus_sdma.bin");
  71 MODULE_FIRMWARE("amdgpu/renoir_sdma.bin");
  72 
  73 #define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK  0x000000F8L
  74 #define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L
  75 
  76 #define WREG32_SDMA(instance, offset, value) \
  77         WREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)), value)
  78 #define RREG32_SDMA(instance, offset) \
  79         RREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)))
  80 
  81 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev);
  82 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev);
  83 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev);
  84 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev);
  85 
  86 static const struct soc15_reg_golden golden_settings_sdma_4[] = {
  87         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
  88         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xff000ff0, 0x3f000100),
  89         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0100, 0x00000100),
  90         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  91         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
  92         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  93         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003ff006, 0x0003c000),
  94         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
  95         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  96         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
  97         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
  98         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
  99         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000),
 100         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
 101         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_IB_CNTL, 0x800f0100, 0x00000100),
 102         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 103         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
 104         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 105         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_POWER_CNTL, 0x003ff000, 0x0003c000),
 106         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
 107         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 108         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
 109         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 110         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 111         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_WATERMK, 0xfc000000, 0x00000000)
 112 };
 113 
 114 static const struct soc15_reg_golden golden_settings_sdma_vg10[] = {
 115         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
 116         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002),
 117         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
 118         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
 119         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002)
 120 };
 121 
 122 static const struct soc15_reg_golden golden_settings_sdma_vg12[] = {
 123         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
 124         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001),
 125         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
 126         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
 127         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001)
 128 };
 129 
 130 static const struct soc15_reg_golden golden_settings_sdma_4_1[] = {
 131         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
 132         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
 133         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100),
 134         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 135         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0xfc3fffff, 0x40000051),
 136         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100),
 137         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 138         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100),
 139         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 140         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 141         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000)
 142 };
 143 
 144 static const struct soc15_reg_golden golden_settings_sdma0_4_2_init[] = {
 145         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
 146 };
 147 
 148 static const struct soc15_reg_golden golden_settings_sdma0_4_2[] =
 149 {
 150         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 151         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
 152         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 153         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 154         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 155         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 156         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 157         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 158         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RD_BURST_CNTL, 0x0000000f, 0x00000003),
 159         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 160         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
 161         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 162         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 163         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 164         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 165         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 166         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 167         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 168         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 169         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 170         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 171         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 172         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 173         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 174         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 175         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 176 };
 177 
 178 static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = {
 179         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 180         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
 181         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 182         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 183         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 184         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 185         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 186         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 187         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RD_BURST_CNTL, 0x0000000f, 0x00000003),
 188         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 189         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
 190         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 191         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 192         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 193         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 194         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 195         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 196         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 197         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 198         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 199         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 200         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 201         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 202         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
 203         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 204         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 205 };
 206 
 207 static const struct soc15_reg_golden golden_settings_sdma_rv1[] =
 208 {
 209         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002),
 210         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002)
 211 };
 212 
 213 static const struct soc15_reg_golden golden_settings_sdma_rv2[] =
 214 {
 215         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00003001),
 216         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00003001)
 217 };
 218 
 219 static const struct soc15_reg_golden golden_settings_sdma_arct[] =
 220 {
 221         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 222         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 223         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 224         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 225         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 226         SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 227         SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 228         SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 229         SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 230         SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 231         SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 232         SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 233         SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 234         SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 235         SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 236         SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 237         SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 238         SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 239         SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 240         SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 241         SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
 242         SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 243         SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
 244         SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002)
 245 };
 246 
 247 static const struct soc15_reg_golden golden_settings_sdma_4_3[] = {
 248         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
 249         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
 250         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002),
 251         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002),
 252         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 253         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003fff07, 0x40000051),
 254         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 255         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 256         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
 257         SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000)
 258 };
 259 
 260 static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev,
 261                 u32 instance, u32 offset)
 262 {
 263         switch (instance) {
 264         case 0:
 265                 return (adev->reg_offset[SDMA0_HWIP][0][0] + offset);
 266         case 1:
 267                 return (adev->reg_offset[SDMA1_HWIP][0][0] + offset);
 268         case 2:
 269                 return (adev->reg_offset[SDMA2_HWIP][0][1] + offset);
 270         case 3:
 271                 return (adev->reg_offset[SDMA3_HWIP][0][1] + offset);
 272         case 4:
 273                 return (adev->reg_offset[SDMA4_HWIP][0][1] + offset);
 274         case 5:
 275                 return (adev->reg_offset[SDMA5_HWIP][0][1] + offset);
 276         case 6:
 277                 return (adev->reg_offset[SDMA6_HWIP][0][1] + offset);
 278         case 7:
 279                 return (adev->reg_offset[SDMA7_HWIP][0][1] + offset);
 280         default:
 281                 break;
 282         }
 283         return 0;
 284 }
 285 
 286 static unsigned sdma_v4_0_seq_to_irq_id(int seq_num)
 287 {
 288         switch (seq_num) {
 289         case 0:
 290                 return SOC15_IH_CLIENTID_SDMA0;
 291         case 1:
 292                 return SOC15_IH_CLIENTID_SDMA1;
 293         case 2:
 294                 return SOC15_IH_CLIENTID_SDMA2;
 295         case 3:
 296                 return SOC15_IH_CLIENTID_SDMA3;
 297         case 4:
 298                 return SOC15_IH_CLIENTID_SDMA4;
 299         case 5:
 300                 return SOC15_IH_CLIENTID_SDMA5;
 301         case 6:
 302                 return SOC15_IH_CLIENTID_SDMA6;
 303         case 7:
 304                 return SOC15_IH_CLIENTID_SDMA7;
 305         default:
 306                 break;
 307         }
 308         return -EINVAL;
 309 }
 310 
 311 static int sdma_v4_0_irq_id_to_seq(unsigned client_id)
 312 {
 313         switch (client_id) {
 314         case SOC15_IH_CLIENTID_SDMA0:
 315                 return 0;
 316         case SOC15_IH_CLIENTID_SDMA1:
 317                 return 1;
 318         case SOC15_IH_CLIENTID_SDMA2:
 319                 return 2;
 320         case SOC15_IH_CLIENTID_SDMA3:
 321                 return 3;
 322         case SOC15_IH_CLIENTID_SDMA4:
 323                 return 4;
 324         case SOC15_IH_CLIENTID_SDMA5:
 325                 return 5;
 326         case SOC15_IH_CLIENTID_SDMA6:
 327                 return 6;
 328         case SOC15_IH_CLIENTID_SDMA7:
 329                 return 7;
 330         default:
 331                 break;
 332         }
 333         return -EINVAL;
 334 }
 335 
 336 static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev)
 337 {
 338         switch (adev->asic_type) {
 339         case CHIP_VEGA10:
 340                 soc15_program_register_sequence(adev,
 341                                                 golden_settings_sdma_4,
 342                                                 ARRAY_SIZE(golden_settings_sdma_4));
 343                 soc15_program_register_sequence(adev,
 344                                                 golden_settings_sdma_vg10,
 345                                                 ARRAY_SIZE(golden_settings_sdma_vg10));
 346                 break;
 347         case CHIP_VEGA12:
 348                 soc15_program_register_sequence(adev,
 349                                                 golden_settings_sdma_4,
 350                                                 ARRAY_SIZE(golden_settings_sdma_4));
 351                 soc15_program_register_sequence(adev,
 352                                                 golden_settings_sdma_vg12,
 353                                                 ARRAY_SIZE(golden_settings_sdma_vg12));
 354                 break;
 355         case CHIP_VEGA20:
 356                 soc15_program_register_sequence(adev,
 357                                                 golden_settings_sdma0_4_2_init,
 358                                                 ARRAY_SIZE(golden_settings_sdma0_4_2_init));
 359                 soc15_program_register_sequence(adev,
 360                                                 golden_settings_sdma0_4_2,
 361                                                 ARRAY_SIZE(golden_settings_sdma0_4_2));
 362                 soc15_program_register_sequence(adev,
 363                                                 golden_settings_sdma1_4_2,
 364                                                 ARRAY_SIZE(golden_settings_sdma1_4_2));
 365                 break;
 366         case CHIP_ARCTURUS:
 367                 soc15_program_register_sequence(adev,
 368                                                 golden_settings_sdma_arct,
 369                                                 ARRAY_SIZE(golden_settings_sdma_arct));
 370                 break;
 371         case CHIP_RAVEN:
 372                 soc15_program_register_sequence(adev,
 373                                                 golden_settings_sdma_4_1,
 374                                                 ARRAY_SIZE(golden_settings_sdma_4_1));
 375                 if (adev->rev_id >= 8)
 376                         soc15_program_register_sequence(adev,
 377                                                         golden_settings_sdma_rv2,
 378                                                         ARRAY_SIZE(golden_settings_sdma_rv2));
 379                 else
 380                         soc15_program_register_sequence(adev,
 381                                                         golden_settings_sdma_rv1,
 382                                                         ARRAY_SIZE(golden_settings_sdma_rv1));
 383                 break;
 384         case CHIP_RENOIR:
 385                 soc15_program_register_sequence(adev,
 386                                                 golden_settings_sdma_4_3,
 387                                                 ARRAY_SIZE(golden_settings_sdma_4_3));
 388                 break;
 389         default:
 390                 break;
 391         }
 392 }
 393 
 394 static int sdma_v4_0_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
 395 {
 396         int err = 0;
 397         const struct sdma_firmware_header_v1_0 *hdr;
 398 
 399         err = amdgpu_ucode_validate(sdma_inst->fw);
 400         if (err)
 401                 return err;
 402 
 403         hdr = (const struct sdma_firmware_header_v1_0 *)sdma_inst->fw->data;
 404         sdma_inst->fw_version = le32_to_cpu(hdr->header.ucode_version);
 405         sdma_inst->feature_version = le32_to_cpu(hdr->ucode_feature_version);
 406 
 407         if (sdma_inst->feature_version >= 20)
 408                 sdma_inst->burst_nop = true;
 409 
 410         return 0;
 411 }
 412 
 413 static void sdma_v4_0_destroy_inst_ctx(struct amdgpu_device *adev)
 414 {
 415         int i;
 416 
 417         for (i = 0; i < adev->sdma.num_instances; i++) {
 418                 if (adev->sdma.instance[i].fw != NULL)
 419                         release_firmware(adev->sdma.instance[i].fw);
 420 
 421                 /* arcturus shares the same FW memory across
 422                    all SDMA isntances */
 423                 if (adev->asic_type == CHIP_ARCTURUS)
 424                         break;
 425         }
 426 
 427         memset((void*)adev->sdma.instance, 0,
 428                 sizeof(struct amdgpu_sdma_instance) * AMDGPU_MAX_SDMA_INSTANCES);
 429 }
 430 
 431 /**
 432  * sdma_v4_0_init_microcode - load ucode images from disk
 433  *
 434  * @adev: amdgpu_device pointer
 435  *
 436  * Use the firmware interface to load the ucode images into
 437  * the driver (not loaded into hw).
 438  * Returns 0 on success, error on failure.
 439  */
 440 
 441 // emulation only, won't work on real chip
 442 // vega10 real chip need to use PSP to load firmware
 443 static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
 444 {
 445         const char *chip_name;
 446         char fw_name[30];
 447         int err = 0, i;
 448         struct amdgpu_firmware_info *info = NULL;
 449         const struct common_firmware_header *header = NULL;
 450 
 451         DRM_DEBUG("\n");
 452 
 453         switch (adev->asic_type) {
 454         case CHIP_VEGA10:
 455                 chip_name = "vega10";
 456                 break;
 457         case CHIP_VEGA12:
 458                 chip_name = "vega12";
 459                 break;
 460         case CHIP_VEGA20:
 461                 chip_name = "vega20";
 462                 break;
 463         case CHIP_RAVEN:
 464                 if (adev->rev_id >= 8)
 465                         chip_name = "raven2";
 466                 else if (adev->pdev->device == 0x15d8)
 467                         chip_name = "picasso";
 468                 else
 469                         chip_name = "raven";
 470                 break;
 471         case CHIP_ARCTURUS:
 472                 chip_name = "arcturus";
 473                 break;
 474         case CHIP_RENOIR:
 475                 chip_name = "renoir";
 476                 break;
 477         default:
 478                 BUG();
 479         }
 480 
 481         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
 482 
 483         err = request_firmware(&adev->sdma.instance[0].fw, fw_name, adev->dev);
 484         if (err)
 485                 goto out;
 486 
 487         err = sdma_v4_0_init_inst_ctx(&adev->sdma.instance[0]);
 488         if (err)
 489                 goto out;
 490 
 491         for (i = 1; i < adev->sdma.num_instances; i++) {
 492                 if (adev->asic_type == CHIP_ARCTURUS) {
 493                         /* Acturus will leverage the same FW memory
 494                            for every SDMA instance */
 495                         memcpy((void*)&adev->sdma.instance[i],
 496                                (void*)&adev->sdma.instance[0],
 497                                sizeof(struct amdgpu_sdma_instance));
 498                 }
 499                 else {
 500                         snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma%d.bin", chip_name, i);
 501 
 502                         err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
 503                         if (err)
 504                                 goto out;
 505 
 506                         err = sdma_v4_0_init_inst_ctx(&adev->sdma.instance[i]);
 507                         if (err)
 508                                 goto out;
 509                 }
 510         }
 511 
 512         DRM_DEBUG("psp_load == '%s'\n",
 513                 adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false");
 514 
 515         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
 516                 for (i = 0; i < adev->sdma.num_instances; i++) {
 517                         info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
 518                         info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
 519                         info->fw = adev->sdma.instance[i].fw;
 520                         header = (const struct common_firmware_header *)info->fw->data;
 521                         adev->firmware.fw_size +=
 522                                 ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
 523                 }
 524         }
 525 
 526 out:
 527         if (err) {
 528                 DRM_ERROR("sdma_v4_0: Failed to load firmware \"%s\"\n", fw_name);
 529                 sdma_v4_0_destroy_inst_ctx(adev);
 530         }
 531         return err;
 532 }
 533 
 534 /**
 535  * sdma_v4_0_ring_get_rptr - get the current read pointer
 536  *
 537  * @ring: amdgpu ring pointer
 538  *
 539  * Get the current rptr from the hardware (VEGA10+).
 540  */
 541 static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring)
 542 {
 543         u64 *rptr;
 544 
 545         /* XXX check if swapping is necessary on BE */
 546         rptr = ((u64 *)&ring->adev->wb.wb[ring->rptr_offs]);
 547 
 548         DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
 549         return ((*rptr) >> 2);
 550 }
 551 
 552 /**
 553  * sdma_v4_0_ring_get_wptr - get the current write pointer
 554  *
 555  * @ring: amdgpu ring pointer
 556  *
 557  * Get the current wptr from the hardware (VEGA10+).
 558  */
 559 static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring)
 560 {
 561         struct amdgpu_device *adev = ring->adev;
 562         u64 wptr;
 563 
 564         if (ring->use_doorbell) {
 565                 /* XXX check if swapping is necessary on BE */
 566                 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
 567                 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
 568         } else {
 569                 wptr = RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI);
 570                 wptr = wptr << 32;
 571                 wptr |= RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR);
 572                 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n",
 573                                 ring->me, wptr);
 574         }
 575 
 576         return wptr >> 2;
 577 }
 578 
 579 /**
 580  * sdma_v4_0_ring_set_wptr - commit the write pointer
 581  *
 582  * @ring: amdgpu ring pointer
 583  *
 584  * Write the wptr back to the hardware (VEGA10+).
 585  */
 586 static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring)
 587 {
 588         struct amdgpu_device *adev = ring->adev;
 589 
 590         DRM_DEBUG("Setting write pointer\n");
 591         if (ring->use_doorbell) {
 592                 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
 593 
 594                 DRM_DEBUG("Using doorbell -- "
 595                                 "wptr_offs == 0x%08x "
 596                                 "lower_32_bits(ring->wptr) << 2 == 0x%08x "
 597                                 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
 598                                 ring->wptr_offs,
 599                                 lower_32_bits(ring->wptr << 2),
 600                                 upper_32_bits(ring->wptr << 2));
 601                 /* XXX check if swapping is necessary on BE */
 602                 WRITE_ONCE(*wb, (ring->wptr << 2));
 603                 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 604                                 ring->doorbell_index, ring->wptr << 2);
 605                 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 606         } else {
 607                 DRM_DEBUG("Not using doorbell -- "
 608                                 "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
 609                                 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
 610                                 ring->me,
 611                                 lower_32_bits(ring->wptr << 2),
 612                                 ring->me,
 613                                 upper_32_bits(ring->wptr << 2));
 614                 WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR,
 615                             lower_32_bits(ring->wptr << 2));
 616                 WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI,
 617                             upper_32_bits(ring->wptr << 2));
 618         }
 619 }
 620 
 621 /**
 622  * sdma_v4_0_page_ring_get_wptr - get the current write pointer
 623  *
 624  * @ring: amdgpu ring pointer
 625  *
 626  * Get the current wptr from the hardware (VEGA10+).
 627  */
 628 static uint64_t sdma_v4_0_page_ring_get_wptr(struct amdgpu_ring *ring)
 629 {
 630         struct amdgpu_device *adev = ring->adev;
 631         u64 wptr;
 632 
 633         if (ring->use_doorbell) {
 634                 /* XXX check if swapping is necessary on BE */
 635                 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
 636         } else {
 637                 wptr = RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI);
 638                 wptr = wptr << 32;
 639                 wptr |= RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR);
 640         }
 641 
 642         return wptr >> 2;
 643 }
 644 
 645 /**
 646  * sdma_v4_0_ring_set_wptr - commit the write pointer
 647  *
 648  * @ring: amdgpu ring pointer
 649  *
 650  * Write the wptr back to the hardware (VEGA10+).
 651  */
 652 static void sdma_v4_0_page_ring_set_wptr(struct amdgpu_ring *ring)
 653 {
 654         struct amdgpu_device *adev = ring->adev;
 655 
 656         if (ring->use_doorbell) {
 657                 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
 658 
 659                 /* XXX check if swapping is necessary on BE */
 660                 WRITE_ONCE(*wb, (ring->wptr << 2));
 661                 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 662         } else {
 663                 uint64_t wptr = ring->wptr << 2;
 664 
 665                 WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR,
 666                             lower_32_bits(wptr));
 667                 WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI,
 668                             upper_32_bits(wptr));
 669         }
 670 }
 671 
 672 static void sdma_v4_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 673 {
 674         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
 675         int i;
 676 
 677         for (i = 0; i < count; i++)
 678                 if (sdma && sdma->burst_nop && (i == 0))
 679                         amdgpu_ring_write(ring, ring->funcs->nop |
 680                                 SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 681                 else
 682                         amdgpu_ring_write(ring, ring->funcs->nop);
 683 }
 684 
 685 /**
 686  * sdma_v4_0_ring_emit_ib - Schedule an IB on the DMA engine
 687  *
 688  * @ring: amdgpu ring pointer
 689  * @ib: IB object to schedule
 690  *
 691  * Schedule an IB in the DMA ring (VEGA10).
 692  */
 693 static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring,
 694                                    struct amdgpu_job *job,
 695                                    struct amdgpu_ib *ib,
 696                                    uint32_t flags)
 697 {
 698         unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 699 
 700         /* IB packet must end on a 8 DW boundary */
 701         sdma_v4_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
 702 
 703         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
 704                           SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
 705         /* base must be 32 byte aligned */
 706         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
 707         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 708         amdgpu_ring_write(ring, ib->length_dw);
 709         amdgpu_ring_write(ring, 0);
 710         amdgpu_ring_write(ring, 0);
 711 
 712 }
 713 
 714 static void sdma_v4_0_wait_reg_mem(struct amdgpu_ring *ring,
 715                                    int mem_space, int hdp,
 716                                    uint32_t addr0, uint32_t addr1,
 717                                    uint32_t ref, uint32_t mask,
 718                                    uint32_t inv)
 719 {
 720         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
 721                           SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) |
 722                           SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) |
 723                           SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
 724         if (mem_space) {
 725                 /* memory */
 726                 amdgpu_ring_write(ring, addr0);
 727                 amdgpu_ring_write(ring, addr1);
 728         } else {
 729                 /* registers */
 730                 amdgpu_ring_write(ring, addr0 << 2);
 731                 amdgpu_ring_write(ring, addr1 << 2);
 732         }
 733         amdgpu_ring_write(ring, ref); /* reference */
 734         amdgpu_ring_write(ring, mask); /* mask */
 735         amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
 736                           SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */
 737 }
 738 
 739 /**
 740  * sdma_v4_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
 741  *
 742  * @ring: amdgpu ring pointer
 743  *
 744  * Emit an hdp flush packet on the requested DMA ring.
 745  */
 746 static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
 747 {
 748         struct amdgpu_device *adev = ring->adev;
 749         u32 ref_and_mask = 0;
 750         const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio_funcs->hdp_flush_reg;
 751 
 752         ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me;
 753 
 754         sdma_v4_0_wait_reg_mem(ring, 0, 1,
 755                                adev->nbio_funcs->get_hdp_flush_done_offset(adev),
 756                                adev->nbio_funcs->get_hdp_flush_req_offset(adev),
 757                                ref_and_mask, ref_and_mask, 10);
 758 }
 759 
 760 /**
 761  * sdma_v4_0_ring_emit_fence - emit a fence on the DMA ring
 762  *
 763  * @ring: amdgpu ring pointer
 764  * @fence: amdgpu fence object
 765  *
 766  * Add a DMA fence packet to the ring to write
 767  * the fence seq number and DMA trap packet to generate
 768  * an interrupt if needed (VEGA10).
 769  */
 770 static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 771                                       unsigned flags)
 772 {
 773         bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
 774         /* write the fence */
 775         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 776         /* zero in first two bits */
 777         BUG_ON(addr & 0x3);
 778         amdgpu_ring_write(ring, lower_32_bits(addr));
 779         amdgpu_ring_write(ring, upper_32_bits(addr));
 780         amdgpu_ring_write(ring, lower_32_bits(seq));
 781 
 782         /* optionally write high bits as well */
 783         if (write64bit) {
 784                 addr += 4;
 785                 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 786                 /* zero in first two bits */
 787                 BUG_ON(addr & 0x3);
 788                 amdgpu_ring_write(ring, lower_32_bits(addr));
 789                 amdgpu_ring_write(ring, upper_32_bits(addr));
 790                 amdgpu_ring_write(ring, upper_32_bits(seq));
 791         }
 792 
 793         /* generate an interrupt */
 794         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
 795         amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0));
 796 }
 797 
 798 
 799 /**
 800  * sdma_v4_0_gfx_stop - stop the gfx async dma engines
 801  *
 802  * @adev: amdgpu_device pointer
 803  *
 804  * Stop the gfx async dma ring buffers (VEGA10).
 805  */
 806 static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev)
 807 {
 808         struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
 809         u32 rb_cntl, ib_cntl;
 810         int i, unset = 0;
 811 
 812         for (i = 0; i < adev->sdma.num_instances; i++) {
 813                 sdma[i] = &adev->sdma.instance[i].ring;
 814 
 815                 if ((adev->mman.buffer_funcs_ring == sdma[i]) && unset != 1) {
 816                         amdgpu_ttm_set_buffer_funcs_status(adev, false);
 817                         unset = 1;
 818                 }
 819 
 820                 rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
 821                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
 822                 WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
 823                 ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
 824                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
 825                 WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
 826 
 827                 sdma[i]->sched.ready = false;
 828         }
 829 }
 830 
 831 /**
 832  * sdma_v4_0_rlc_stop - stop the compute async dma engines
 833  *
 834  * @adev: amdgpu_device pointer
 835  *
 836  * Stop the compute async dma queues (VEGA10).
 837  */
 838 static void sdma_v4_0_rlc_stop(struct amdgpu_device *adev)
 839 {
 840         /* XXX todo */
 841 }
 842 
 843 /**
 844  * sdma_v4_0_page_stop - stop the page async dma engines
 845  *
 846  * @adev: amdgpu_device pointer
 847  *
 848  * Stop the page async dma ring buffers (VEGA10).
 849  */
 850 static void sdma_v4_0_page_stop(struct amdgpu_device *adev)
 851 {
 852         struct amdgpu_ring *sdma[AMDGPU_MAX_SDMA_INSTANCES];
 853         u32 rb_cntl, ib_cntl;
 854         int i;
 855         bool unset = false;
 856 
 857         for (i = 0; i < adev->sdma.num_instances; i++) {
 858                 sdma[i] = &adev->sdma.instance[i].page;
 859 
 860                 if ((adev->mman.buffer_funcs_ring == sdma[i]) &&
 861                         (unset == false)) {
 862                         amdgpu_ttm_set_buffer_funcs_status(adev, false);
 863                         unset = true;
 864                 }
 865 
 866                 rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
 867                 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
 868                                         RB_ENABLE, 0);
 869                 WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
 870                 ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
 871                 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL,
 872                                         IB_ENABLE, 0);
 873                 WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
 874 
 875                 sdma[i]->sched.ready = false;
 876         }
 877 }
 878 
 879 /**
 880  * sdma_v_0_ctx_switch_enable - stop the async dma engines context switch
 881  *
 882  * @adev: amdgpu_device pointer
 883  * @enable: enable/disable the DMA MEs context switch.
 884  *
 885  * Halt or unhalt the async dma engines context switch (VEGA10).
 886  */
 887 static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
 888 {
 889         u32 f32_cntl, phase_quantum = 0;
 890         int i;
 891 
 892         if (amdgpu_sdma_phase_quantum) {
 893                 unsigned value = amdgpu_sdma_phase_quantum;
 894                 unsigned unit = 0;
 895 
 896                 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 897                                 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
 898                         value = (value + 1) >> 1;
 899                         unit++;
 900                 }
 901                 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 902                             SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
 903                         value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 904                                  SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
 905                         unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 906                                 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
 907                         WARN_ONCE(1,
 908                         "clamping sdma_phase_quantum to %uK clock cycles\n",
 909                                   value << unit);
 910                 }
 911                 phase_quantum =
 912                         value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
 913                         unit  << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
 914         }
 915 
 916         for (i = 0; i < adev->sdma.num_instances; i++) {
 917                 f32_cntl = RREG32_SDMA(i, mmSDMA0_CNTL);
 918                 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
 919                                 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
 920                 if (enable && amdgpu_sdma_phase_quantum) {
 921                         WREG32_SDMA(i, mmSDMA0_PHASE0_QUANTUM, phase_quantum);
 922                         WREG32_SDMA(i, mmSDMA0_PHASE1_QUANTUM, phase_quantum);
 923                         WREG32_SDMA(i, mmSDMA0_PHASE2_QUANTUM, phase_quantum);
 924                 }
 925                 WREG32_SDMA(i, mmSDMA0_CNTL, f32_cntl);
 926         }
 927 
 928 }
 929 
 930 /**
 931  * sdma_v4_0_enable - stop the async dma engines
 932  *
 933  * @adev: amdgpu_device pointer
 934  * @enable: enable/disable the DMA MEs.
 935  *
 936  * Halt or unhalt the async dma engines (VEGA10).
 937  */
 938 static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable)
 939 {
 940         u32 f32_cntl;
 941         int i;
 942 
 943         if (enable == false) {
 944                 sdma_v4_0_gfx_stop(adev);
 945                 sdma_v4_0_rlc_stop(adev);
 946                 if (adev->sdma.has_page_queue)
 947                         sdma_v4_0_page_stop(adev);
 948         }
 949 
 950         for (i = 0; i < adev->sdma.num_instances; i++) {
 951                 f32_cntl = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
 952                 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
 953                 WREG32_SDMA(i, mmSDMA0_F32_CNTL, f32_cntl);
 954         }
 955 }
 956 
 957 /**
 958  * sdma_v4_0_rb_cntl - get parameters for rb_cntl
 959  */
 960 static uint32_t sdma_v4_0_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl)
 961 {
 962         /* Set ring buffer size in dwords */
 963         uint32_t rb_bufsz = order_base_2(ring->ring_size / 4);
 964 
 965         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
 966 #ifdef __BIG_ENDIAN
 967         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
 968         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
 969                                 RPTR_WRITEBACK_SWAP_ENABLE, 1);
 970 #endif
 971         return rb_cntl;
 972 }
 973 
 974 /**
 975  * sdma_v4_0_gfx_resume - setup and start the async dma engines
 976  *
 977  * @adev: amdgpu_device pointer
 978  * @i: instance to resume
 979  *
 980  * Set up the gfx DMA ring buffers and enable them (VEGA10).
 981  * Returns 0 for success, error for failure.
 982  */
 983 static void sdma_v4_0_gfx_resume(struct amdgpu_device *adev, unsigned int i)
 984 {
 985         struct amdgpu_ring *ring = &adev->sdma.instance[i].ring;
 986         u32 rb_cntl, ib_cntl, wptr_poll_cntl;
 987         u32 wb_offset;
 988         u32 doorbell;
 989         u32 doorbell_offset;
 990         u64 wptr_gpu_addr;
 991 
 992         wb_offset = (ring->rptr_offs * 4);
 993 
 994         rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
 995         rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
 996         WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
 997 
 998         /* Initialize the ring buffer's read and write pointers */
 999         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR, 0);
1000         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_HI, 0);
1001         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR, 0);
1002         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_HI, 0);
1003 
1004         /* set the wb address whether it's enabled or not */
1005         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_HI,
1006                upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
1007         WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_LO,
1008                lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
1009 
1010         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
1011                                 RPTR_WRITEBACK_ENABLE, 1);
1012 
1013         WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE, ring->gpu_addr >> 8);
1014         WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE_HI, ring->gpu_addr >> 40);
1015 
1016         ring->wptr = 0;
1017 
1018         /* before programing wptr to a less value, need set minor_ptr_update first */
1019         WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 1);
1020 
1021         doorbell = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL);
1022         doorbell_offset = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET);
1023 
1024         doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE,
1025                                  ring->use_doorbell);
1026         doorbell_offset = REG_SET_FIELD(doorbell_offset,
1027                                         SDMA0_GFX_DOORBELL_OFFSET,
1028                                         OFFSET, ring->doorbell_index);
1029         WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL, doorbell);
1030         WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET, doorbell_offset);
1031 
1032         sdma_v4_0_ring_set_wptr(ring);
1033 
1034         /* set minor_ptr_update to 0 after wptr programed */
1035         WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 0);
1036 
1037         /* setup the wptr shadow polling */
1038         wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
1039         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO,
1040                     lower_32_bits(wptr_gpu_addr));
1041         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI,
1042                     upper_32_bits(wptr_gpu_addr));
1043         wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL);
1044         wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
1045                                        SDMA0_GFX_RB_WPTR_POLL_CNTL,
1046                                        F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
1047         WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
1048 
1049         /* enable DMA RB */
1050         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
1051         WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
1052 
1053         ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
1054         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
1055 #ifdef __BIG_ENDIAN
1056         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
1057 #endif
1058         /* enable DMA IBs */
1059         WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
1060 
1061         ring->sched.ready = true;
1062 }
1063 
1064 /**
1065  * sdma_v4_0_page_resume - setup and start the async dma engines
1066  *
1067  * @adev: amdgpu_device pointer
1068  * @i: instance to resume
1069  *
1070  * Set up the page DMA ring buffers and enable them (VEGA10).
1071  * Returns 0 for success, error for failure.
1072  */
1073 static void sdma_v4_0_page_resume(struct amdgpu_device *adev, unsigned int i)
1074 {
1075         struct amdgpu_ring *ring = &adev->sdma.instance[i].page;
1076         u32 rb_cntl, ib_cntl, wptr_poll_cntl;
1077         u32 wb_offset;
1078         u32 doorbell;
1079         u32 doorbell_offset;
1080         u64 wptr_gpu_addr;
1081 
1082         wb_offset = (ring->rptr_offs * 4);
1083 
1084         rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
1085         rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
1086         WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
1087 
1088         /* Initialize the ring buffer's read and write pointers */
1089         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR, 0);
1090         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_HI, 0);
1091         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR, 0);
1092         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_HI, 0);
1093 
1094         /* set the wb address whether it's enabled or not */
1095         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_HI,
1096                upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
1097         WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_LO,
1098                lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
1099 
1100         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
1101                                 RPTR_WRITEBACK_ENABLE, 1);
1102 
1103         WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE, ring->gpu_addr >> 8);
1104         WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE_HI, ring->gpu_addr >> 40);
1105 
1106         ring->wptr = 0;
1107 
1108         /* before programing wptr to a less value, need set minor_ptr_update first */
1109         WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 1);
1110 
1111         doorbell = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL);
1112         doorbell_offset = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET);
1113 
1114         doorbell = REG_SET_FIELD(doorbell, SDMA0_PAGE_DOORBELL, ENABLE,
1115                                  ring->use_doorbell);
1116         doorbell_offset = REG_SET_FIELD(doorbell_offset,
1117                                         SDMA0_PAGE_DOORBELL_OFFSET,
1118                                         OFFSET, ring->doorbell_index);
1119         WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL, doorbell);
1120         WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET, doorbell_offset);
1121 
1122         /* paging queue doorbell range is setup at sdma_v4_0_gfx_resume */
1123         sdma_v4_0_page_ring_set_wptr(ring);
1124 
1125         /* set minor_ptr_update to 0 after wptr programed */
1126         WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 0);
1127 
1128         /* setup the wptr shadow polling */
1129         wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
1130         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_LO,
1131                     lower_32_bits(wptr_gpu_addr));
1132         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_HI,
1133                     upper_32_bits(wptr_gpu_addr));
1134         wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL);
1135         wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
1136                                        SDMA0_PAGE_RB_WPTR_POLL_CNTL,
1137                                        F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
1138         WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
1139 
1140         /* enable DMA RB */
1141         rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL, RB_ENABLE, 1);
1142         WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
1143 
1144         ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
1145         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_ENABLE, 1);
1146 #ifdef __BIG_ENDIAN
1147         ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1);
1148 #endif
1149         /* enable DMA IBs */
1150         WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
1151 
1152         ring->sched.ready = true;
1153 }
1154 
1155 static void
1156 sdma_v4_1_update_power_gating(struct amdgpu_device *adev, bool enable)
1157 {
1158         uint32_t def, data;
1159 
1160         if (enable && (adev->pg_flags & AMD_PG_SUPPORT_SDMA)) {
1161                 /* enable idle interrupt */
1162                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
1163                 data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
1164 
1165                 if (data != def)
1166                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
1167         } else {
1168                 /* disable idle interrupt */
1169                 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
1170                 data &= ~SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
1171                 if (data != def)
1172                         WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
1173         }
1174 }
1175 
1176 static void sdma_v4_1_init_power_gating(struct amdgpu_device *adev)
1177 {
1178         uint32_t def, data;
1179 
1180         /* Enable HW based PG. */
1181         def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1182         data |= SDMA0_POWER_CNTL__PG_CNTL_ENABLE_MASK;
1183         if (data != def)
1184                 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
1185 
1186         /* enable interrupt */
1187         def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
1188         data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
1189         if (data != def)
1190                 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
1191 
1192         /* Configure hold time to filter in-valid power on/off request. Use default right now */
1193         def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
1194         data &= ~SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK;
1195         data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK);
1196         /* Configure switch time for hysteresis purpose. Use default right now */
1197         data &= ~SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK;
1198         data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK);
1199         if(data != def)
1200                 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
1201 }
1202 
1203 static void sdma_v4_0_init_pg(struct amdgpu_device *adev)
1204 {
1205         if (!(adev->pg_flags & AMD_PG_SUPPORT_SDMA))
1206                 return;
1207 
1208         switch (adev->asic_type) {
1209         case CHIP_RAVEN:
1210         case CHIP_RENOIR:
1211                 sdma_v4_1_init_power_gating(adev);
1212                 sdma_v4_1_update_power_gating(adev, true);
1213                 break;
1214         default:
1215                 break;
1216         }
1217 }
1218 
1219 /**
1220  * sdma_v4_0_rlc_resume - setup and start the async dma engines
1221  *
1222  * @adev: amdgpu_device pointer
1223  *
1224  * Set up the compute DMA queues and enable them (VEGA10).
1225  * Returns 0 for success, error for failure.
1226  */
1227 static int sdma_v4_0_rlc_resume(struct amdgpu_device *adev)
1228 {
1229         sdma_v4_0_init_pg(adev);
1230 
1231         return 0;
1232 }
1233 
1234 /**
1235  * sdma_v4_0_load_microcode - load the sDMA ME ucode
1236  *
1237  * @adev: amdgpu_device pointer
1238  *
1239  * Loads the sDMA0/1 ucode.
1240  * Returns 0 for success, -EINVAL if the ucode is not available.
1241  */
1242 static int sdma_v4_0_load_microcode(struct amdgpu_device *adev)
1243 {
1244         const struct sdma_firmware_header_v1_0 *hdr;
1245         const __le32 *fw_data;
1246         u32 fw_size;
1247         int i, j;
1248 
1249         /* halt the MEs */
1250         sdma_v4_0_enable(adev, false);
1251 
1252         for (i = 0; i < adev->sdma.num_instances; i++) {
1253                 if (!adev->sdma.instance[i].fw)
1254                         return -EINVAL;
1255 
1256                 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
1257                 amdgpu_ucode_print_sdma_hdr(&hdr->header);
1258                 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
1259 
1260                 fw_data = (const __le32 *)
1261                         (adev->sdma.instance[i].fw->data +
1262                                 le32_to_cpu(hdr->header.ucode_array_offset_bytes));
1263 
1264                 WREG32_SDMA(i, mmSDMA0_UCODE_ADDR, 0);
1265 
1266                 for (j = 0; j < fw_size; j++)
1267                         WREG32_SDMA(i, mmSDMA0_UCODE_DATA,
1268                                     le32_to_cpup(fw_data++));
1269 
1270                 WREG32_SDMA(i, mmSDMA0_UCODE_ADDR,
1271                             adev->sdma.instance[i].fw_version);
1272         }
1273 
1274         return 0;
1275 }
1276 
1277 /**
1278  * sdma_v4_0_start - setup and start the async dma engines
1279  *
1280  * @adev: amdgpu_device pointer
1281  *
1282  * Set up the DMA engines and enable them (VEGA10).
1283  * Returns 0 for success, error for failure.
1284  */
1285 static int sdma_v4_0_start(struct amdgpu_device *adev)
1286 {
1287         struct amdgpu_ring *ring;
1288         int i, r = 0;
1289 
1290         if (amdgpu_sriov_vf(adev)) {
1291                 sdma_v4_0_ctx_switch_enable(adev, false);
1292                 sdma_v4_0_enable(adev, false);
1293         } else {
1294 
1295                 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1296                         r = sdma_v4_0_load_microcode(adev);
1297                         if (r)
1298                                 return r;
1299                 }
1300 
1301                 /* unhalt the MEs */
1302                 sdma_v4_0_enable(adev, true);
1303                 /* enable sdma ring preemption */
1304                 sdma_v4_0_ctx_switch_enable(adev, true);
1305         }
1306 
1307         /* start the gfx rings and rlc compute queues */
1308         for (i = 0; i < adev->sdma.num_instances; i++) {
1309                 uint32_t temp;
1310 
1311                 WREG32_SDMA(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL, 0);
1312                 sdma_v4_0_gfx_resume(adev, i);
1313                 if (adev->sdma.has_page_queue)
1314                         sdma_v4_0_page_resume(adev, i);
1315 
1316                 /* set utc l1 enable flag always to 1 */
1317                 temp = RREG32_SDMA(i, mmSDMA0_CNTL);
1318                 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
1319                 WREG32_SDMA(i, mmSDMA0_CNTL, temp);
1320 
1321                 if (!amdgpu_sriov_vf(adev)) {
1322                         /* unhalt engine */
1323                         temp = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
1324                         temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
1325                         WREG32_SDMA(i, mmSDMA0_F32_CNTL, temp);
1326                 }
1327         }
1328 
1329         if (amdgpu_sriov_vf(adev)) {
1330                 sdma_v4_0_ctx_switch_enable(adev, true);
1331                 sdma_v4_0_enable(adev, true);
1332         } else {
1333                 r = sdma_v4_0_rlc_resume(adev);
1334                 if (r)
1335                         return r;
1336         }
1337 
1338         for (i = 0; i < adev->sdma.num_instances; i++) {
1339                 ring = &adev->sdma.instance[i].ring;
1340 
1341                 r = amdgpu_ring_test_helper(ring);
1342                 if (r)
1343                         return r;
1344 
1345                 if (adev->sdma.has_page_queue) {
1346                         struct amdgpu_ring *page = &adev->sdma.instance[i].page;
1347 
1348                         r = amdgpu_ring_test_helper(page);
1349                         if (r)
1350                                 return r;
1351 
1352                         if (adev->mman.buffer_funcs_ring == page)
1353                                 amdgpu_ttm_set_buffer_funcs_status(adev, true);
1354                 }
1355 
1356                 if (adev->mman.buffer_funcs_ring == ring)
1357                         amdgpu_ttm_set_buffer_funcs_status(adev, true);
1358         }
1359 
1360         return r;
1361 }
1362 
1363 /**
1364  * sdma_v4_0_ring_test_ring - simple async dma engine test
1365  *
1366  * @ring: amdgpu_ring structure holding ring information
1367  *
1368  * Test the DMA engine by writing using it to write an
1369  * value to memory. (VEGA10).
1370  * Returns 0 for success, error for failure.
1371  */
1372 static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring)
1373 {
1374         struct amdgpu_device *adev = ring->adev;
1375         unsigned i;
1376         unsigned index;
1377         int r;
1378         u32 tmp;
1379         u64 gpu_addr;
1380 
1381         r = amdgpu_device_wb_get(adev, &index);
1382         if (r)
1383                 return r;
1384 
1385         gpu_addr = adev->wb.gpu_addr + (index * 4);
1386         tmp = 0xCAFEDEAD;
1387         adev->wb.wb[index] = cpu_to_le32(tmp);
1388 
1389         r = amdgpu_ring_alloc(ring, 5);
1390         if (r)
1391                 goto error_free_wb;
1392 
1393         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1394                           SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1395         amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1396         amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1397         amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1398         amdgpu_ring_write(ring, 0xDEADBEEF);
1399         amdgpu_ring_commit(ring);
1400 
1401         for (i = 0; i < adev->usec_timeout; i++) {
1402                 tmp = le32_to_cpu(adev->wb.wb[index]);
1403                 if (tmp == 0xDEADBEEF)
1404                         break;
1405                 udelay(1);
1406         }
1407 
1408         if (i >= adev->usec_timeout)
1409                 r = -ETIMEDOUT;
1410 
1411 error_free_wb:
1412         amdgpu_device_wb_free(adev, index);
1413         return r;
1414 }
1415 
1416 /**
1417  * sdma_v4_0_ring_test_ib - test an IB on the DMA engine
1418  *
1419  * @ring: amdgpu_ring structure holding ring information
1420  *
1421  * Test a simple IB in the DMA ring (VEGA10).
1422  * Returns 0 on success, error on failure.
1423  */
1424 static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1425 {
1426         struct amdgpu_device *adev = ring->adev;
1427         struct amdgpu_ib ib;
1428         struct dma_fence *f = NULL;
1429         unsigned index;
1430         long r;
1431         u32 tmp = 0;
1432         u64 gpu_addr;
1433 
1434         r = amdgpu_device_wb_get(adev, &index);
1435         if (r)
1436                 return r;
1437 
1438         gpu_addr = adev->wb.gpu_addr + (index * 4);
1439         tmp = 0xCAFEDEAD;
1440         adev->wb.wb[index] = cpu_to_le32(tmp);
1441         memset(&ib, 0, sizeof(ib));
1442         r = amdgpu_ib_get(adev, NULL, 256, &ib);
1443         if (r)
1444                 goto err0;
1445 
1446         ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1447                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1448         ib.ptr[1] = lower_32_bits(gpu_addr);
1449         ib.ptr[2] = upper_32_bits(gpu_addr);
1450         ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1451         ib.ptr[4] = 0xDEADBEEF;
1452         ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1453         ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1454         ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1455         ib.length_dw = 8;
1456 
1457         r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1458         if (r)
1459                 goto err1;
1460 
1461         r = dma_fence_wait_timeout(f, false, timeout);
1462         if (r == 0) {
1463                 r = -ETIMEDOUT;
1464                 goto err1;
1465         } else if (r < 0) {
1466                 goto err1;
1467         }
1468         tmp = le32_to_cpu(adev->wb.wb[index]);
1469         if (tmp == 0xDEADBEEF)
1470                 r = 0;
1471         else
1472                 r = -EINVAL;
1473 
1474 err1:
1475         amdgpu_ib_free(adev, &ib, NULL);
1476         dma_fence_put(f);
1477 err0:
1478         amdgpu_device_wb_free(adev, index);
1479         return r;
1480 }
1481 
1482 
1483 /**
1484  * sdma_v4_0_vm_copy_pte - update PTEs by copying them from the GART
1485  *
1486  * @ib: indirect buffer to fill with commands
1487  * @pe: addr of the page entry
1488  * @src: src addr to copy from
1489  * @count: number of page entries to update
1490  *
1491  * Update PTEs by copying them from the GART using sDMA (VEGA10).
1492  */
1493 static void sdma_v4_0_vm_copy_pte(struct amdgpu_ib *ib,
1494                                   uint64_t pe, uint64_t src,
1495                                   unsigned count)
1496 {
1497         unsigned bytes = count * 8;
1498 
1499         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1500                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1501         ib->ptr[ib->length_dw++] = bytes - 1;
1502         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1503         ib->ptr[ib->length_dw++] = lower_32_bits(src);
1504         ib->ptr[ib->length_dw++] = upper_32_bits(src);
1505         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1506         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1507 
1508 }
1509 
1510 /**
1511  * sdma_v4_0_vm_write_pte - update PTEs by writing them manually
1512  *
1513  * @ib: indirect buffer to fill with commands
1514  * @pe: addr of the page entry
1515  * @addr: dst addr to write into pe
1516  * @count: number of page entries to update
1517  * @incr: increase next addr by incr bytes
1518  * @flags: access flags
1519  *
1520  * Update PTEs by writing them manually using sDMA (VEGA10).
1521  */
1522 static void sdma_v4_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1523                                    uint64_t value, unsigned count,
1524                                    uint32_t incr)
1525 {
1526         unsigned ndw = count * 2;
1527 
1528         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1529                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1530         ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1531         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1532         ib->ptr[ib->length_dw++] = ndw - 1;
1533         for (; ndw > 0; ndw -= 2) {
1534                 ib->ptr[ib->length_dw++] = lower_32_bits(value);
1535                 ib->ptr[ib->length_dw++] = upper_32_bits(value);
1536                 value += incr;
1537         }
1538 }
1539 
1540 /**
1541  * sdma_v4_0_vm_set_pte_pde - update the page tables using sDMA
1542  *
1543  * @ib: indirect buffer to fill with commands
1544  * @pe: addr of the page entry
1545  * @addr: dst addr to write into pe
1546  * @count: number of page entries to update
1547  * @incr: increase next addr by incr bytes
1548  * @flags: access flags
1549  *
1550  * Update the page tables using sDMA (VEGA10).
1551  */
1552 static void sdma_v4_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1553                                      uint64_t pe,
1554                                      uint64_t addr, unsigned count,
1555                                      uint32_t incr, uint64_t flags)
1556 {
1557         /* for physically contiguous pages (vram) */
1558         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1559         ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1560         ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1561         ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1562         ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1563         ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1564         ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1565         ib->ptr[ib->length_dw++] = incr; /* increment size */
1566         ib->ptr[ib->length_dw++] = 0;
1567         ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1568 }
1569 
1570 /**
1571  * sdma_v4_0_ring_pad_ib - pad the IB to the required number of dw
1572  *
1573  * @ib: indirect buffer to fill with padding
1574  *
1575  */
1576 static void sdma_v4_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1577 {
1578         struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1579         u32 pad_count;
1580         int i;
1581 
1582         pad_count = (-ib->length_dw) & 7;
1583         for (i = 0; i < pad_count; i++)
1584                 if (sdma && sdma->burst_nop && (i == 0))
1585                         ib->ptr[ib->length_dw++] =
1586                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1587                                 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1588                 else
1589                         ib->ptr[ib->length_dw++] =
1590                                 SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1591 }
1592 
1593 
1594 /**
1595  * sdma_v4_0_ring_emit_pipeline_sync - sync the pipeline
1596  *
1597  * @ring: amdgpu_ring pointer
1598  *
1599  * Make sure all previous operations are completed (CIK).
1600  */
1601 static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1602 {
1603         uint32_t seq = ring->fence_drv.sync_seq;
1604         uint64_t addr = ring->fence_drv.gpu_addr;
1605 
1606         /* wait for idle */
1607         sdma_v4_0_wait_reg_mem(ring, 1, 0,
1608                                addr & 0xfffffffc,
1609                                upper_32_bits(addr) & 0xffffffff,
1610                                seq, 0xffffffff, 4);
1611 }
1612 
1613 
1614 /**
1615  * sdma_v4_0_ring_emit_vm_flush - vm flush using sDMA
1616  *
1617  * @ring: amdgpu_ring pointer
1618  * @vm: amdgpu_vm pointer
1619  *
1620  * Update the page table base and flush the VM TLB
1621  * using sDMA (VEGA10).
1622  */
1623 static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1624                                          unsigned vmid, uint64_t pd_addr)
1625 {
1626         amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1627 }
1628 
1629 static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring,
1630                                      uint32_t reg, uint32_t val)
1631 {
1632         amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1633                           SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1634         amdgpu_ring_write(ring, reg);
1635         amdgpu_ring_write(ring, val);
1636 }
1637 
1638 static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1639                                          uint32_t val, uint32_t mask)
1640 {
1641         sdma_v4_0_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10);
1642 }
1643 
1644 static bool sdma_v4_0_fw_support_paging_queue(struct amdgpu_device *adev)
1645 {
1646         uint fw_version = adev->sdma.instance[0].fw_version;
1647 
1648         switch (adev->asic_type) {
1649         case CHIP_VEGA10:
1650                 return fw_version >= 430;
1651         case CHIP_VEGA12:
1652                 /*return fw_version >= 31;*/
1653                 return false;
1654         case CHIP_VEGA20:
1655                 return fw_version >= 123;
1656         default:
1657                 return false;
1658         }
1659 }
1660 
1661 static int sdma_v4_0_early_init(void *handle)
1662 {
1663         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1664         int r;
1665 
1666         if (adev->asic_type == CHIP_RAVEN || adev->asic_type == CHIP_RENOIR)
1667                 adev->sdma.num_instances = 1;
1668         else if (adev->asic_type == CHIP_ARCTURUS)
1669                 adev->sdma.num_instances = 8;
1670         else
1671                 adev->sdma.num_instances = 2;
1672 
1673         r = sdma_v4_0_init_microcode(adev);
1674         if (r) {
1675                 DRM_ERROR("Failed to load sdma firmware!\n");
1676                 return r;
1677         }
1678 
1679         /* TODO: Page queue breaks driver reload under SRIOV */
1680         if ((adev->asic_type == CHIP_VEGA10) && amdgpu_sriov_vf((adev)))
1681                 adev->sdma.has_page_queue = false;
1682         else if (sdma_v4_0_fw_support_paging_queue(adev))
1683                 adev->sdma.has_page_queue = true;
1684 
1685         sdma_v4_0_set_ring_funcs(adev);
1686         sdma_v4_0_set_buffer_funcs(adev);
1687         sdma_v4_0_set_vm_pte_funcs(adev);
1688         sdma_v4_0_set_irq_funcs(adev);
1689 
1690         return 0;
1691 }
1692 
1693 static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev,
1694                 struct ras_err_data *err_data,
1695                 struct amdgpu_iv_entry *entry);
1696 
1697 static int sdma_v4_0_late_init(void *handle)
1698 {
1699         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1700         struct ras_common_if **ras_if = &adev->sdma.ras_if;
1701         struct ras_ih_if ih_info = {
1702                 .cb = sdma_v4_0_process_ras_data_cb,
1703         };
1704         struct ras_fs_if fs_info = {
1705                 .sysfs_name = "sdma_err_count",
1706                 .debugfs_name = "sdma_err_inject",
1707         };
1708         struct ras_common_if ras_block = {
1709                 .block = AMDGPU_RAS_BLOCK__SDMA,
1710                 .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
1711                 .sub_block_index = 0,
1712                 .name = "sdma",
1713         };
1714         int r, i;
1715 
1716         if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
1717                 amdgpu_ras_feature_enable_on_boot(adev, &ras_block, 0);
1718                 return 0;
1719         }
1720 
1721         /* handle resume path. */
1722         if (*ras_if) {
1723                 /* resend ras TA enable cmd during resume.
1724                  * prepare to handle failure.
1725                  */
1726                 ih_info.head = **ras_if;
1727                 r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
1728                 if (r) {
1729                         if (r == -EAGAIN) {
1730                                 /* request a gpu reset. will run again. */
1731                                 amdgpu_ras_request_reset_on_boot(adev,
1732                                                 AMDGPU_RAS_BLOCK__SDMA);
1733                                 return 0;
1734                         }
1735                         /* fail to enable ras, cleanup all. */
1736                         goto irq;
1737                 }
1738                 /* enable successfully. continue. */
1739                 goto resume;
1740         }
1741 
1742         *ras_if = kmalloc(sizeof(**ras_if), GFP_KERNEL);
1743         if (!*ras_if)
1744                 return -ENOMEM;
1745 
1746         **ras_if = ras_block;
1747 
1748         r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
1749         if (r) {
1750                 if (r == -EAGAIN) {
1751                         amdgpu_ras_request_reset_on_boot(adev,
1752                                         AMDGPU_RAS_BLOCK__SDMA);
1753                         r = 0;
1754                 }
1755                 goto feature;
1756         }
1757 
1758         ih_info.head = **ras_if;
1759         fs_info.head = **ras_if;
1760 
1761         r = amdgpu_ras_interrupt_add_handler(adev, &ih_info);
1762         if (r)
1763                 goto interrupt;
1764 
1765         amdgpu_ras_debugfs_create(adev, &fs_info);
1766 
1767         r = amdgpu_ras_sysfs_create(adev, &fs_info);
1768         if (r)
1769                 goto sysfs;
1770 resume:
1771         for (i = 0; i < adev->sdma.num_instances; i++) {
1772                 r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq,
1773                                    AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1774                 if (r)
1775                         goto irq;
1776         }
1777 
1778         return 0;
1779 irq:
1780         amdgpu_ras_sysfs_remove(adev, *ras_if);
1781 sysfs:
1782         amdgpu_ras_debugfs_remove(adev, *ras_if);
1783         amdgpu_ras_interrupt_remove_handler(adev, &ih_info);
1784 interrupt:
1785         amdgpu_ras_feature_enable(adev, *ras_if, 0);
1786 feature:
1787         kfree(*ras_if);
1788         *ras_if = NULL;
1789         return r;
1790 }
1791 
1792 static int sdma_v4_0_sw_init(void *handle)
1793 {
1794         struct amdgpu_ring *ring;
1795         int r, i;
1796         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1797 
1798         /* SDMA trap event */
1799         for (i = 0; i < adev->sdma.num_instances; i++) {
1800                 r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
1801                                       SDMA0_4_0__SRCID__SDMA_TRAP,
1802                                       &adev->sdma.trap_irq);
1803                 if (r)
1804                         return r;
1805         }
1806 
1807         /* SDMA SRAM ECC event */
1808         for (i = 0; i < adev->sdma.num_instances; i++) {
1809                 r = amdgpu_irq_add_id(adev, sdma_v4_0_seq_to_irq_id(i),
1810                                       SDMA0_4_0__SRCID__SDMA_SRAM_ECC,
1811                                       &adev->sdma.ecc_irq);
1812                 if (r)
1813                         return r;
1814         }
1815 
1816         for (i = 0; i < adev->sdma.num_instances; i++) {
1817                 ring = &adev->sdma.instance[i].ring;
1818                 ring->ring_obj = NULL;
1819                 ring->use_doorbell = true;
1820 
1821                 DRM_INFO("use_doorbell being set to: [%s]\n",
1822                                 ring->use_doorbell?"true":"false");
1823 
1824                 /* doorbell size is 2 dwords, get DWORD offset */
1825                 ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
1826 
1827                 sprintf(ring->name, "sdma%d", i);
1828                 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1829                                      AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1830                 if (r)
1831                         return r;
1832 
1833                 if (adev->sdma.has_page_queue) {
1834                         ring = &adev->sdma.instance[i].page;
1835                         ring->ring_obj = NULL;
1836                         ring->use_doorbell = true;
1837 
1838                         /* paging queue use same doorbell index/routing as gfx queue
1839                          * with 0x400 (4096 dwords) offset on second doorbell page
1840                          */
1841                         ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
1842                         ring->doorbell_index += 0x400;
1843 
1844                         sprintf(ring->name, "page%d", i);
1845                         r = amdgpu_ring_init(adev, ring, 1024,
1846                                              &adev->sdma.trap_irq,
1847                                              AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1848                         if (r)
1849                                 return r;
1850                 }
1851         }
1852 
1853         return r;
1854 }
1855 
1856 static int sdma_v4_0_sw_fini(void *handle)
1857 {
1858         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1859         int i;
1860 
1861         if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA) &&
1862                         adev->sdma.ras_if) {
1863                 struct ras_common_if *ras_if = adev->sdma.ras_if;
1864                 struct ras_ih_if ih_info = {
1865                         .head = *ras_if,
1866                 };
1867 
1868                 /*remove fs first*/
1869                 amdgpu_ras_debugfs_remove(adev, ras_if);
1870                 amdgpu_ras_sysfs_remove(adev, ras_if);
1871                 /*remove the IH*/
1872                 amdgpu_ras_interrupt_remove_handler(adev, &ih_info);
1873                 amdgpu_ras_feature_enable(adev, ras_if, 0);
1874                 kfree(ras_if);
1875         }
1876 
1877         for (i = 0; i < adev->sdma.num_instances; i++) {
1878                 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1879                 if (adev->sdma.has_page_queue)
1880                         amdgpu_ring_fini(&adev->sdma.instance[i].page);
1881         }
1882 
1883         sdma_v4_0_destroy_inst_ctx(adev);
1884 
1885         return 0;
1886 }
1887 
1888 static int sdma_v4_0_hw_init(void *handle)
1889 {
1890         int r;
1891         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1892 
1893         if ((adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs &&
1894                         adev->powerplay.pp_funcs->set_powergating_by_smu) ||
1895                         adev->asic_type == CHIP_RENOIR)
1896                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, false);
1897 
1898         if (!amdgpu_sriov_vf(adev))
1899                 sdma_v4_0_init_golden_registers(adev);
1900 
1901         r = sdma_v4_0_start(adev);
1902 
1903         return r;
1904 }
1905 
1906 static int sdma_v4_0_hw_fini(void *handle)
1907 {
1908         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1909         int i;
1910 
1911         if (amdgpu_sriov_vf(adev))
1912                 return 0;
1913 
1914         for (i = 0; i < adev->sdma.num_instances; i++) {
1915                 amdgpu_irq_put(adev, &adev->sdma.ecc_irq,
1916                                AMDGPU_SDMA_IRQ_INSTANCE0 + i);
1917         }
1918 
1919         sdma_v4_0_ctx_switch_enable(adev, false);
1920         sdma_v4_0_enable(adev, false);
1921 
1922         if ((adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs
1923                         && adev->powerplay.pp_funcs->set_powergating_by_smu) ||
1924                         adev->asic_type == CHIP_RENOIR)
1925                 amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, true);
1926 
1927         return 0;
1928 }
1929 
1930 static int sdma_v4_0_suspend(void *handle)
1931 {
1932         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1933 
1934         return sdma_v4_0_hw_fini(adev);
1935 }
1936 
1937 static int sdma_v4_0_resume(void *handle)
1938 {
1939         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1940 
1941         return sdma_v4_0_hw_init(adev);
1942 }
1943 
1944 static bool sdma_v4_0_is_idle(void *handle)
1945 {
1946         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1947         u32 i;
1948 
1949         for (i = 0; i < adev->sdma.num_instances; i++) {
1950                 u32 tmp = RREG32_SDMA(i, mmSDMA0_STATUS_REG);
1951 
1952                 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1953                         return false;
1954         }
1955 
1956         return true;
1957 }
1958 
1959 static int sdma_v4_0_wait_for_idle(void *handle)
1960 {
1961         unsigned i, j;
1962         u32 sdma[AMDGPU_MAX_SDMA_INSTANCES];
1963         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1964 
1965         for (i = 0; i < adev->usec_timeout; i++) {
1966                 for (j = 0; j < adev->sdma.num_instances; j++) {
1967                         sdma[j] = RREG32_SDMA(j, mmSDMA0_STATUS_REG);
1968                         if (!(sdma[j] & SDMA0_STATUS_REG__IDLE_MASK))
1969                                 break;
1970                 }
1971                 if (j == adev->sdma.num_instances)
1972                         return 0;
1973                 udelay(1);
1974         }
1975         return -ETIMEDOUT;
1976 }
1977 
1978 static int sdma_v4_0_soft_reset(void *handle)
1979 {
1980         /* todo */
1981 
1982         return 0;
1983 }
1984 
1985 static int sdma_v4_0_set_trap_irq_state(struct amdgpu_device *adev,
1986                                         struct amdgpu_irq_src *source,
1987                                         unsigned type,
1988                                         enum amdgpu_interrupt_state state)
1989 {
1990         u32 sdma_cntl;
1991 
1992         sdma_cntl = RREG32_SDMA(type, mmSDMA0_CNTL);
1993         sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
1994                        state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1995         WREG32_SDMA(type, mmSDMA0_CNTL, sdma_cntl);
1996 
1997         return 0;
1998 }
1999 
2000 static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev,
2001                                       struct amdgpu_irq_src *source,
2002                                       struct amdgpu_iv_entry *entry)
2003 {
2004         uint32_t instance;
2005 
2006         DRM_DEBUG("IH: SDMA trap\n");
2007         instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
2008         switch (entry->ring_id) {
2009         case 0:
2010                 amdgpu_fence_process(&adev->sdma.instance[instance].ring);
2011                 break;
2012         case 1:
2013                 if (adev->asic_type == CHIP_VEGA20)
2014                         amdgpu_fence_process(&adev->sdma.instance[instance].page);
2015                 break;
2016         case 2:
2017                 /* XXX compute */
2018                 break;
2019         case 3:
2020                 if (adev->asic_type != CHIP_VEGA20)
2021                         amdgpu_fence_process(&adev->sdma.instance[instance].page);
2022                 break;
2023         }
2024         return 0;
2025 }
2026 
2027 static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev,
2028                 struct ras_err_data *err_data,
2029                 struct amdgpu_iv_entry *entry)
2030 {
2031         uint32_t err_source;
2032         int instance;
2033 
2034         instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
2035         if (instance < 0)
2036                 return 0;
2037 
2038         switch (entry->src_id) {
2039         case SDMA0_4_0__SRCID__SDMA_SRAM_ECC:
2040                 err_source = 0;
2041                 break;
2042         case SDMA0_4_0__SRCID__SDMA_ECC:
2043                 err_source = 1;
2044                 break;
2045         default:
2046                 return 0;
2047         }
2048 
2049         kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
2050 
2051         amdgpu_ras_reset_gpu(adev, 0);
2052 
2053         return AMDGPU_RAS_SUCCESS;
2054 }
2055 
2056 static int sdma_v4_0_process_ecc_irq(struct amdgpu_device *adev,
2057                                       struct amdgpu_irq_src *source,
2058                                       struct amdgpu_iv_entry *entry)
2059 {
2060         struct ras_common_if *ras_if = adev->sdma.ras_if;
2061         struct ras_dispatch_if ih_data = {
2062                 .entry = entry,
2063         };
2064 
2065         if (!ras_if)
2066                 return 0;
2067 
2068         ih_data.head = *ras_if;
2069 
2070         amdgpu_ras_interrupt_dispatch(adev, &ih_data);
2071         return 0;
2072 }
2073 
2074 static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev,
2075                                               struct amdgpu_irq_src *source,
2076                                               struct amdgpu_iv_entry *entry)
2077 {
2078         int instance;
2079 
2080         DRM_ERROR("Illegal instruction in SDMA command stream\n");
2081 
2082         instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
2083         if (instance < 0)
2084                 return 0;
2085 
2086         switch (entry->ring_id) {
2087         case 0:
2088                 drm_sched_fault(&adev->sdma.instance[instance].ring.sched);
2089                 break;
2090         }
2091         return 0;
2092 }
2093 
2094 static int sdma_v4_0_set_ecc_irq_state(struct amdgpu_device *adev,
2095                                         struct amdgpu_irq_src *source,
2096                                         unsigned type,
2097                                         enum amdgpu_interrupt_state state)
2098 {
2099         u32 sdma_edc_config;
2100 
2101         sdma_edc_config = RREG32_SDMA(type, mmSDMA0_EDC_CONFIG);
2102         sdma_edc_config = REG_SET_FIELD(sdma_edc_config, SDMA0_EDC_CONFIG, ECC_INT_ENABLE,
2103                        state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
2104         WREG32_SDMA(type, mmSDMA0_EDC_CONFIG, sdma_edc_config);
2105 
2106         return 0;
2107 }
2108 
2109 static void sdma_v4_0_update_medium_grain_clock_gating(
2110                 struct amdgpu_device *adev,
2111                 bool enable)
2112 {
2113         uint32_t data, def;
2114         int i;
2115 
2116         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
2117                 for (i = 0; i < adev->sdma.num_instances; i++) {
2118                         def = data = RREG32_SDMA(i, mmSDMA0_CLK_CTRL);
2119                         data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
2120                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
2121                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
2122                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
2123                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
2124                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
2125                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
2126                                   SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
2127                         if (def != data)
2128                                 WREG32_SDMA(i, mmSDMA0_CLK_CTRL, data);
2129                 }
2130         } else {
2131                 for (i = 0; i < adev->sdma.num_instances; i++) {
2132                         def = data = RREG32_SDMA(i, mmSDMA0_CLK_CTRL);
2133                         data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
2134                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
2135                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
2136                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
2137                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
2138                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
2139                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
2140                                  SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
2141                         if (def != data)
2142                                 WREG32_SDMA(i, mmSDMA0_CLK_CTRL, data);
2143                 }
2144         }
2145 }
2146 
2147 
2148 static void sdma_v4_0_update_medium_grain_light_sleep(
2149                 struct amdgpu_device *adev,
2150                 bool enable)
2151 {
2152         uint32_t data, def;
2153         int i;
2154 
2155         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
2156                 for (i = 0; i < adev->sdma.num_instances; i++) {
2157                         /* 1-not override: enable sdma mem light sleep */
2158                         def = data = RREG32_SDMA(0, mmSDMA0_POWER_CNTL);
2159                         data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
2160                         if (def != data)
2161                                 WREG32_SDMA(0, mmSDMA0_POWER_CNTL, data);
2162                 }
2163         } else {
2164                 for (i = 0; i < adev->sdma.num_instances; i++) {
2165                 /* 0-override:disable sdma mem light sleep */
2166                         def = data = RREG32_SDMA(0, mmSDMA0_POWER_CNTL);
2167                         data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
2168                         if (def != data)
2169                                 WREG32_SDMA(0, mmSDMA0_POWER_CNTL, data);
2170                 }
2171         }
2172 }
2173 
2174 static int sdma_v4_0_set_clockgating_state(void *handle,
2175                                           enum amd_clockgating_state state)
2176 {
2177         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2178 
2179         if (amdgpu_sriov_vf(adev))
2180                 return 0;
2181 
2182         switch (adev->asic_type) {
2183         case CHIP_VEGA10:
2184         case CHIP_VEGA12:
2185         case CHIP_VEGA20:
2186         case CHIP_RAVEN:
2187         case CHIP_ARCTURUS:
2188         case CHIP_RENOIR:
2189                 sdma_v4_0_update_medium_grain_clock_gating(adev,
2190                                 state == AMD_CG_STATE_GATE ? true : false);
2191                 sdma_v4_0_update_medium_grain_light_sleep(adev,
2192                                 state == AMD_CG_STATE_GATE ? true : false);
2193                 break;
2194         default:
2195                 break;
2196         }
2197         return 0;
2198 }
2199 
2200 static int sdma_v4_0_set_powergating_state(void *handle,
2201                                           enum amd_powergating_state state)
2202 {
2203         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2204 
2205         switch (adev->asic_type) {
2206         case CHIP_RAVEN:
2207                 sdma_v4_1_update_power_gating(adev,
2208                                 state == AMD_PG_STATE_GATE ? true : false);
2209                 break;
2210         default:
2211                 break;
2212         }
2213 
2214         return 0;
2215 }
2216 
2217 static void sdma_v4_0_get_clockgating_state(void *handle, u32 *flags)
2218 {
2219         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2220         int data;
2221 
2222         if (amdgpu_sriov_vf(adev))
2223                 *flags = 0;
2224 
2225         /* AMD_CG_SUPPORT_SDMA_MGCG */
2226         data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
2227         if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
2228                 *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
2229 
2230         /* AMD_CG_SUPPORT_SDMA_LS */
2231         data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
2232         if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
2233                 *flags |= AMD_CG_SUPPORT_SDMA_LS;
2234 }
2235 
2236 const struct amd_ip_funcs sdma_v4_0_ip_funcs = {
2237         .name = "sdma_v4_0",
2238         .early_init = sdma_v4_0_early_init,
2239         .late_init = sdma_v4_0_late_init,
2240         .sw_init = sdma_v4_0_sw_init,
2241         .sw_fini = sdma_v4_0_sw_fini,
2242         .hw_init = sdma_v4_0_hw_init,
2243         .hw_fini = sdma_v4_0_hw_fini,
2244         .suspend = sdma_v4_0_suspend,
2245         .resume = sdma_v4_0_resume,
2246         .is_idle = sdma_v4_0_is_idle,
2247         .wait_for_idle = sdma_v4_0_wait_for_idle,
2248         .soft_reset = sdma_v4_0_soft_reset,
2249         .set_clockgating_state = sdma_v4_0_set_clockgating_state,
2250         .set_powergating_state = sdma_v4_0_set_powergating_state,
2251         .get_clockgating_state = sdma_v4_0_get_clockgating_state,
2252 };
2253 
2254 static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {
2255         .type = AMDGPU_RING_TYPE_SDMA,
2256         .align_mask = 0xf,
2257         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2258         .support_64bit_ptrs = true,
2259         .vmhub = AMDGPU_MMHUB_0,
2260         .get_rptr = sdma_v4_0_ring_get_rptr,
2261         .get_wptr = sdma_v4_0_ring_get_wptr,
2262         .set_wptr = sdma_v4_0_ring_set_wptr,
2263         .emit_frame_size =
2264                 6 + /* sdma_v4_0_ring_emit_hdp_flush */
2265                 3 + /* hdp invalidate */
2266                 6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2267                 /* sdma_v4_0_ring_emit_vm_flush */
2268                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2269                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2270                 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2271         .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2272         .emit_ib = sdma_v4_0_ring_emit_ib,
2273         .emit_fence = sdma_v4_0_ring_emit_fence,
2274         .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2275         .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2276         .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2277         .test_ring = sdma_v4_0_ring_test_ring,
2278         .test_ib = sdma_v4_0_ring_test_ib,
2279         .insert_nop = sdma_v4_0_ring_insert_nop,
2280         .pad_ib = sdma_v4_0_ring_pad_ib,
2281         .emit_wreg = sdma_v4_0_ring_emit_wreg,
2282         .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2283         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2284 };
2285 
2286 /*
2287  * On Arcturus, SDMA instance 5~7 has a different vmhub type(AMDGPU_MMHUB_1).
2288  * So create a individual constant ring_funcs for those instances.
2289  */
2290 static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs_2nd_mmhub = {
2291         .type = AMDGPU_RING_TYPE_SDMA,
2292         .align_mask = 0xf,
2293         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2294         .support_64bit_ptrs = true,
2295         .vmhub = AMDGPU_MMHUB_1,
2296         .get_rptr = sdma_v4_0_ring_get_rptr,
2297         .get_wptr = sdma_v4_0_ring_get_wptr,
2298         .set_wptr = sdma_v4_0_ring_set_wptr,
2299         .emit_frame_size =
2300                 6 + /* sdma_v4_0_ring_emit_hdp_flush */
2301                 3 + /* hdp invalidate */
2302                 6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2303                 /* sdma_v4_0_ring_emit_vm_flush */
2304                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2305                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2306                 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2307         .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2308         .emit_ib = sdma_v4_0_ring_emit_ib,
2309         .emit_fence = sdma_v4_0_ring_emit_fence,
2310         .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2311         .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2312         .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2313         .test_ring = sdma_v4_0_ring_test_ring,
2314         .test_ib = sdma_v4_0_ring_test_ib,
2315         .insert_nop = sdma_v4_0_ring_insert_nop,
2316         .pad_ib = sdma_v4_0_ring_pad_ib,
2317         .emit_wreg = sdma_v4_0_ring_emit_wreg,
2318         .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2319         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2320 };
2321 
2322 static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs = {
2323         .type = AMDGPU_RING_TYPE_SDMA,
2324         .align_mask = 0xf,
2325         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2326         .support_64bit_ptrs = true,
2327         .vmhub = AMDGPU_MMHUB_0,
2328         .get_rptr = sdma_v4_0_ring_get_rptr,
2329         .get_wptr = sdma_v4_0_page_ring_get_wptr,
2330         .set_wptr = sdma_v4_0_page_ring_set_wptr,
2331         .emit_frame_size =
2332                 6 + /* sdma_v4_0_ring_emit_hdp_flush */
2333                 3 + /* hdp invalidate */
2334                 6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2335                 /* sdma_v4_0_ring_emit_vm_flush */
2336                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2337                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2338                 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2339         .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2340         .emit_ib = sdma_v4_0_ring_emit_ib,
2341         .emit_fence = sdma_v4_0_ring_emit_fence,
2342         .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2343         .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2344         .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2345         .test_ring = sdma_v4_0_ring_test_ring,
2346         .test_ib = sdma_v4_0_ring_test_ib,
2347         .insert_nop = sdma_v4_0_ring_insert_nop,
2348         .pad_ib = sdma_v4_0_ring_pad_ib,
2349         .emit_wreg = sdma_v4_0_ring_emit_wreg,
2350         .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2351         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2352 };
2353 
2354 static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs_2nd_mmhub = {
2355         .type = AMDGPU_RING_TYPE_SDMA,
2356         .align_mask = 0xf,
2357         .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
2358         .support_64bit_ptrs = true,
2359         .vmhub = AMDGPU_MMHUB_1,
2360         .get_rptr = sdma_v4_0_ring_get_rptr,
2361         .get_wptr = sdma_v4_0_page_ring_get_wptr,
2362         .set_wptr = sdma_v4_0_page_ring_set_wptr,
2363         .emit_frame_size =
2364                 6 + /* sdma_v4_0_ring_emit_hdp_flush */
2365                 3 + /* hdp invalidate */
2366                 6 + /* sdma_v4_0_ring_emit_pipeline_sync */
2367                 /* sdma_v4_0_ring_emit_vm_flush */
2368                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2369                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
2370                 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
2371         .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
2372         .emit_ib = sdma_v4_0_ring_emit_ib,
2373         .emit_fence = sdma_v4_0_ring_emit_fence,
2374         .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
2375         .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
2376         .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
2377         .test_ring = sdma_v4_0_ring_test_ring,
2378         .test_ib = sdma_v4_0_ring_test_ib,
2379         .insert_nop = sdma_v4_0_ring_insert_nop,
2380         .pad_ib = sdma_v4_0_ring_pad_ib,
2381         .emit_wreg = sdma_v4_0_ring_emit_wreg,
2382         .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
2383         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2384 };
2385 
2386 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev)
2387 {
2388         int i;
2389 
2390         for (i = 0; i < adev->sdma.num_instances; i++) {
2391                 if (adev->asic_type == CHIP_ARCTURUS && i >= 5)
2392                         adev->sdma.instance[i].ring.funcs =
2393                                         &sdma_v4_0_ring_funcs_2nd_mmhub;
2394                 else
2395                         adev->sdma.instance[i].ring.funcs =
2396                                         &sdma_v4_0_ring_funcs;
2397                 adev->sdma.instance[i].ring.me = i;
2398                 if (adev->sdma.has_page_queue) {
2399                         if (adev->asic_type == CHIP_ARCTURUS && i >= 5)
2400                                 adev->sdma.instance[i].page.funcs =
2401                                         &sdma_v4_0_page_ring_funcs_2nd_mmhub;
2402                         else
2403                                 adev->sdma.instance[i].page.funcs =
2404                                         &sdma_v4_0_page_ring_funcs;
2405                         adev->sdma.instance[i].page.me = i;
2406                 }
2407         }
2408 }
2409 
2410 static const struct amdgpu_irq_src_funcs sdma_v4_0_trap_irq_funcs = {
2411         .set = sdma_v4_0_set_trap_irq_state,
2412         .process = sdma_v4_0_process_trap_irq,
2413 };
2414 
2415 static const struct amdgpu_irq_src_funcs sdma_v4_0_illegal_inst_irq_funcs = {
2416         .process = sdma_v4_0_process_illegal_inst_irq,
2417 };
2418 
2419 static const struct amdgpu_irq_src_funcs sdma_v4_0_ecc_irq_funcs = {
2420         .set = sdma_v4_0_set_ecc_irq_state,
2421         .process = sdma_v4_0_process_ecc_irq,
2422 };
2423 
2424 
2425 
2426 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)
2427 {
2428         switch (adev->sdma.num_instances) {
2429         case 1:
2430                 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE1;
2431                 adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE1;
2432                 break;
2433         case 8:
2434                 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
2435                 adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
2436                 break;
2437         case 2:
2438         default:
2439                 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE2;
2440                 adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE2;
2441                 break;
2442         }
2443         adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs;
2444         adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs;
2445         adev->sdma.ecc_irq.funcs = &sdma_v4_0_ecc_irq_funcs;
2446 }
2447 
2448 /**
2449  * sdma_v4_0_emit_copy_buffer - copy buffer using the sDMA engine
2450  *
2451  * @ring: amdgpu_ring structure holding ring information
2452  * @src_offset: src GPU address
2453  * @dst_offset: dst GPU address
2454  * @byte_count: number of bytes to xfer
2455  *
2456  * Copy GPU buffers using the DMA engine (VEGA10/12).
2457  * Used by the amdgpu ttm implementation to move pages if
2458  * registered as the asic copy callback.
2459  */
2460 static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib,
2461                                        uint64_t src_offset,
2462                                        uint64_t dst_offset,
2463                                        uint32_t byte_count)
2464 {
2465         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
2466                 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
2467         ib->ptr[ib->length_dw++] = byte_count - 1;
2468         ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
2469         ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
2470         ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
2471         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2472         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2473 }
2474 
2475 /**
2476  * sdma_v4_0_emit_fill_buffer - fill buffer using the sDMA engine
2477  *
2478  * @ring: amdgpu_ring structure holding ring information
2479  * @src_data: value to write to buffer
2480  * @dst_offset: dst GPU address
2481  * @byte_count: number of bytes to xfer
2482  *
2483  * Fill GPU buffers using the DMA engine (VEGA10/12).
2484  */
2485 static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib,
2486                                        uint32_t src_data,
2487                                        uint64_t dst_offset,
2488                                        uint32_t byte_count)
2489 {
2490         ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
2491         ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2492         ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2493         ib->ptr[ib->length_dw++] = src_data;
2494         ib->ptr[ib->length_dw++] = byte_count - 1;
2495 }
2496 
2497 static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
2498         .copy_max_bytes = 0x400000,
2499         .copy_num_dw = 7,
2500         .emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
2501 
2502         .fill_max_bytes = 0x400000,
2503         .fill_num_dw = 5,
2504         .emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
2505 };
2506 
2507 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
2508 {
2509         adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
2510         if (adev->sdma.has_page_queue)
2511                 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
2512         else
2513                 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
2514 }
2515 
2516 static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = {
2517         .copy_pte_num_dw = 7,
2518         .copy_pte = sdma_v4_0_vm_copy_pte,
2519 
2520         .write_pte = sdma_v4_0_vm_write_pte,
2521         .set_pte_pde = sdma_v4_0_vm_set_pte_pde,
2522 };
2523 
2524 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev)
2525 {
2526         struct drm_gpu_scheduler *sched;
2527         unsigned i;
2528 
2529         adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs;
2530         for (i = 0; i < adev->sdma.num_instances; i++) {
2531                 if (adev->sdma.has_page_queue)
2532                         sched = &adev->sdma.instance[i].page.sched;
2533                 else
2534                         sched = &adev->sdma.instance[i].ring.sched;
2535                 adev->vm_manager.vm_pte_rqs[i] =
2536                         &sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL];
2537         }
2538         adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances;
2539 }
2540 
2541 const struct amdgpu_ip_block_version sdma_v4_0_ip_block = {
2542         .type = AMD_IP_BLOCK_TYPE_SDMA,
2543         .major = 4,
2544         .minor = 0,
2545         .rev = 0,
2546         .funcs = &sdma_v4_0_ip_funcs,
2547 };
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

DEFINITIONS
