1/*
   2 * Copyright 2019 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 "gc/gc_10_1_0_offset.h"
  34#include "gc/gc_10_1_0_sh_mask.h"
  35#include "ivsrcid/sdma0/irqsrcs_sdma0_5_0.h"
  36#include "ivsrcid/sdma1/irqsrcs_sdma1_5_0.h"
  37
  38#include "soc15_common.h"
  39#include "soc15.h"
  40#include "navi10_sdma_pkt_open.h"
  41#include "nbio_v2_3.h"
  42#include "sdma_common.h"
  43#include "sdma_v5_0.h"
  44
  45MODULE_FIRMWARE("amdgpu/navi10_sdma.bin");
  46MODULE_FIRMWARE("amdgpu/navi10_sdma1.bin");
  47
  48MODULE_FIRMWARE("amdgpu/navi14_sdma.bin");
  49MODULE_FIRMWARE("amdgpu/navi14_sdma1.bin");
  50
  51MODULE_FIRMWARE("amdgpu/navi12_sdma.bin");
  52MODULE_FIRMWARE("amdgpu/navi12_sdma1.bin");
  53
  54MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma.bin");
  55MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma1.bin");
  56
  57#define SDMA1_REG_OFFSET 0x600
  58#define SDMA0_HYP_DEC_REG_START 0x5880
  59#define SDMA0_HYP_DEC_REG_END 0x5893
  60#define SDMA1_HYP_DEC_REG_OFFSET 0x20
  61
  62static const struct amdgpu_hwip_reg_entry sdma_reg_list_5_0[] = {
  63	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS_REG),
  64	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS1_REG),
  65	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS2_REG),
  66	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS3_REG),
  67	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UCODE_CHECKSUM),
  68	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RB_RPTR_FETCH_HI),
  69	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RB_RPTR_FETCH),
  70	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_STATUS),
  71	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_STATUS),
  72	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_XNACK0),
  73	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_XNACK1),
  74	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_XNACK0),
  75	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_XNACK1),
  76	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_CNTL),
  77	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_RPTR),
  78	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_RPTR_HI),
  79	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_WPTR),
  80	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_WPTR_HI),
  81	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_OFFSET),
  82	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_BASE_LO),
  83	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_BASE_HI),
  84	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_CNTL),
  85	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_RPTR),
  86	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_SUB_REMAIN),
  87	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_DUMMY_REG),
  88	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_CNTL),
  89	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_RPTR),
  90	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_RPTR_HI),
  91	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR),
  92	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR_HI),
  93	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_OFFSET),
  94	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_BASE_LO),
  95	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_BASE_HI),
  96	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_DUMMY_REG),
  97	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_CNTL),
  98	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_RPTR),
  99	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_RPTR_HI),
 100	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_WPTR),
 101	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_WPTR_HI),
 102	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_OFFSET),
 103	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_BASE_LO),
 104	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_BASE_HI),
 105	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_DUMMY_REG),
 106	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_INT_STATUS),
 107	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_VM_CNTL),
 108	SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS2)
 109};
 110
 111static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev);
 112static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev);
 113static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev);
 114static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev);
 115
 116static const struct soc15_reg_golden golden_settings_sdma_5[] = {
 117	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 118	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 119	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 120	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 121	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 122	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 123	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 124	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 125	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 126	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 127	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 128	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x00ffffff, 0x000c5c00),
 129	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 130	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 131	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 132	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 133	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 134	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 135	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 136	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 137	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 138	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 139	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 140	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00)
 141};
 142
 143static const struct soc15_reg_golden golden_settings_sdma_5_sriov[] = {
 144	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 145	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 146	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 147	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 148	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 149	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 150	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 151	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 152	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 153	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 154	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 155	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 156	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 157	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 158	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 159	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 160	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 161	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 162	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 163	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 164};
 165
 166static const struct soc15_reg_golden golden_settings_sdma_nv10[] = {
 167	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 168	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 169};
 170
 171static const struct soc15_reg_golden golden_settings_sdma_nv14[] = {
 172	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 173	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 174};
 175
 176static const struct soc15_reg_golden golden_settings_sdma_nv12[] = {
 177	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 178	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 179	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 180	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 181	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 182	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 183};
 184
 185static const struct soc15_reg_golden golden_settings_sdma_cyan_skillfish[] = {
 186	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 187	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 188	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 189	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 190	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 191	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 192	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 193	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 194	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 195	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 196	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 197	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 198	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 199	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x007fffff, 0x004c5c00),
 200	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 201	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 202	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 203	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 204	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 205	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 206	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 207	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 208	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 209	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 210	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 211	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 212	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 213	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x007fffff, 0x004c5c00)
 214};
 215
 216static u32 sdma_v5_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset)
 217{
 218	u32 base;
 219
 220	if (internal_offset >= SDMA0_HYP_DEC_REG_START &&
 221	    internal_offset <= SDMA0_HYP_DEC_REG_END) {
 222		base = adev->reg_offset[GC_HWIP][0][1];
 223		if (instance == 1)
 224			internal_offset += SDMA1_HYP_DEC_REG_OFFSET;
 225	} else {
 226		base = adev->reg_offset[GC_HWIP][0][0];
 227		if (instance == 1)
 228			internal_offset += SDMA1_REG_OFFSET;
 229	}
 230
 231	return base + internal_offset;
 232}
 233
 234static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
 235{
 236	switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
 237	case IP_VERSION(5, 0, 0):
 238		soc15_program_register_sequence(adev,
 239						golden_settings_sdma_5,
 240						(const u32)ARRAY_SIZE(golden_settings_sdma_5));
 241		soc15_program_register_sequence(adev,
 242						golden_settings_sdma_nv10,
 243						(const u32)ARRAY_SIZE(golden_settings_sdma_nv10));
 244		break;
 245	case IP_VERSION(5, 0, 2):
 246		soc15_program_register_sequence(adev,
 247						golden_settings_sdma_5,
 248						(const u32)ARRAY_SIZE(golden_settings_sdma_5));
 249		soc15_program_register_sequence(adev,
 250						golden_settings_sdma_nv14,
 251						(const u32)ARRAY_SIZE(golden_settings_sdma_nv14));
 252		break;
 253	case IP_VERSION(5, 0, 5):
 254		if (amdgpu_sriov_vf(adev))
 255			soc15_program_register_sequence(adev,
 256							golden_settings_sdma_5_sriov,
 257							(const u32)ARRAY_SIZE(golden_settings_sdma_5_sriov));
 258		else
 259			soc15_program_register_sequence(adev,
 260							golden_settings_sdma_5,
 261							(const u32)ARRAY_SIZE(golden_settings_sdma_5));
 262		soc15_program_register_sequence(adev,
 263						golden_settings_sdma_nv12,
 264						(const u32)ARRAY_SIZE(golden_settings_sdma_nv12));
 265		break;
 266	case IP_VERSION(5, 0, 1):
 267		soc15_program_register_sequence(adev,
 268						golden_settings_sdma_cyan_skillfish,
 269						(const u32)ARRAY_SIZE(golden_settings_sdma_cyan_skillfish));
 270		break;
 271	default:
 272		break;
 273	}
 274}
 275
 276/**
 277 * sdma_v5_0_init_microcode - load ucode images from disk
 278 *
 279 * @adev: amdgpu_device pointer
 280 *
 281 * Use the firmware interface to load the ucode images into
 282 * the driver (not loaded into hw).
 283 * Returns 0 on success, error on failure.
 284 */
 285
 286// emulation only, won't work on real chip
 287// navi10 real chip need to use PSP to load firmware
 288static int sdma_v5_0_init_microcode(struct amdgpu_device *adev)
 289{
 290	int ret, i;
 
 
 
 
 
 291
 292	for (i = 0; i < adev->sdma.num_instances; i++) {
 293		ret = amdgpu_sdma_init_microcode(adev, i, false);
 294		if (ret)
 295			return ret;
 
 
 
 
 
 
 
 
 
 
 
 
 
 296	}
 297
 298	return ret;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 299}
 300
 301static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring,
 302					      uint64_t addr)
 303{
 304	unsigned ret;
 305
 306	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE));
 307	amdgpu_ring_write(ring, lower_32_bits(addr));
 308	amdgpu_ring_write(ring, upper_32_bits(addr));
 309	amdgpu_ring_write(ring, 1);
 310	/* this is the offset we need patch later */
 311	ret = ring->wptr & ring->buf_mask;
 312	/* insert dummy here and patch it later */
 313	amdgpu_ring_write(ring, 0);
 314
 315	return ret;
 316}
 317
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 318/**
 319 * sdma_v5_0_ring_get_rptr - get the current read pointer
 320 *
 321 * @ring: amdgpu ring pointer
 322 *
 323 * Get the current rptr from the hardware (NAVI10+).
 324 */
 325static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring)
 326{
 327	u64 *rptr;
 328
 329	/* XXX check if swapping is necessary on BE */
 330	rptr = (u64 *)ring->rptr_cpu_addr;
 331
 332	DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
 333	return ((*rptr) >> 2);
 334}
 335
 336/**
 337 * sdma_v5_0_ring_get_wptr - get the current write pointer
 338 *
 339 * @ring: amdgpu ring pointer
 340 *
 341 * Get the current wptr from the hardware (NAVI10+).
 342 */
 343static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring)
 344{
 345	struct amdgpu_device *adev = ring->adev;
 346	u64 wptr;
 347
 348	if (ring->use_doorbell) {
 349		/* XXX check if swapping is necessary on BE */
 350		wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr));
 351		DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
 352	} else {
 353		wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI));
 354		wptr = wptr << 32;
 355		wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR));
 356		DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr);
 357	}
 358
 359	return wptr >> 2;
 360}
 361
 362/**
 363 * sdma_v5_0_ring_set_wptr - commit the write pointer
 364 *
 365 * @ring: amdgpu ring pointer
 366 *
 367 * Write the wptr back to the hardware (NAVI10+).
 368 */
 369static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring)
 370{
 371	struct amdgpu_device *adev = ring->adev;
 372	uint32_t *wptr_saved;
 373	uint32_t *is_queue_unmap;
 374	uint64_t aggregated_db_index;
 375	uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size;
 376
 377	DRM_DEBUG("Setting write pointer\n");
 378	if (ring->is_mes_queue) {
 379		wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
 380		is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
 381					      sizeof(uint32_t));
 382		aggregated_db_index =
 383			amdgpu_mes_get_aggregated_doorbell_index(adev,
 384			AMDGPU_MES_PRIORITY_LEVEL_NORMAL);
 385
 386		atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
 387			     ring->wptr << 2);
 388		*wptr_saved = ring->wptr << 2;
 389		if (*is_queue_unmap) {
 390			WDOORBELL64(aggregated_db_index, ring->wptr << 2);
 391			DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 392					ring->doorbell_index, ring->wptr << 2);
 393			WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 394		} else {
 395			DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 396					ring->doorbell_index, ring->wptr << 2);
 397			WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 398
 399			if (*is_queue_unmap)
 400				WDOORBELL64(aggregated_db_index,
 401					    ring->wptr << 2);
 402		}
 403	} else {
 404		if (ring->use_doorbell) {
 405			DRM_DEBUG("Using doorbell -- "
 406				  "wptr_offs == 0x%08x "
 407				  "lower_32_bits(ring->wptr) << 2 == 0x%08x "
 408				  "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
 409				  ring->wptr_offs,
 410				  lower_32_bits(ring->wptr << 2),
 411				  upper_32_bits(ring->wptr << 2));
 412			/* XXX check if swapping is necessary on BE */
 413			atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
 414				     ring->wptr << 2);
 415			DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 416				  ring->doorbell_index, ring->wptr << 2);
 417			WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 418		} else {
 419			DRM_DEBUG("Not using doorbell -- "
 420				  "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
 421				  "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
 422				  ring->me,
 423				  lower_32_bits(ring->wptr << 2),
 424				  ring->me,
 425				  upper_32_bits(ring->wptr << 2));
 426			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
 427					     ring->me, mmSDMA0_GFX_RB_WPTR),
 428					lower_32_bits(ring->wptr << 2));
 429			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
 430					     ring->me, mmSDMA0_GFX_RB_WPTR_HI),
 431					upper_32_bits(ring->wptr << 2));
 432		}
 433	}
 434}
 435
 436static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 437{
 438	struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
 439	int i;
 440
 441	for (i = 0; i < count; i++)
 442		if (sdma && sdma->burst_nop && (i == 0))
 443			amdgpu_ring_write(ring, ring->funcs->nop |
 444				SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 445		else
 446			amdgpu_ring_write(ring, ring->funcs->nop);
 447}
 448
 449/**
 450 * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine
 451 *
 452 * @ring: amdgpu ring pointer
 453 * @job: job to retrieve vmid from
 454 * @ib: IB object to schedule
 455 * @flags: unused
 456 *
 457 * Schedule an IB in the DMA ring (NAVI10).
 458 */
 459static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
 460				   struct amdgpu_job *job,
 461				   struct amdgpu_ib *ib,
 462				   uint32_t flags)
 463{
 464	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 465	uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
 466
 467	/* An IB packet must end on a 8 DW boundary--the next dword
 468	 * must be on a 8-dword boundary. Our IB packet below is 6
 469	 * dwords long, thus add x number of NOPs, such that, in
 470	 * modular arithmetic,
 471	 * wptr + 6 + x = 8k, k >= 0, which in C is,
 472	 * (wptr + 6 + x) % 8 = 0.
 473	 * The expression below, is a solution of x.
 474	 */
 475	sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
 476
 477	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
 478			  SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
 479	/* base must be 32 byte aligned */
 480	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
 481	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 482	amdgpu_ring_write(ring, ib->length_dw);
 483	amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr));
 484	amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr));
 485}
 486
 487/**
 488 * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse
 489 *
 490 * @ring: amdgpu ring pointer
 
 
 491 *
 492 * flush the IB by graphics cache rinse.
 493 */
 494static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring)
 495{
 496	uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV |
 497			    SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV |
 498			    SDMA_GCR_GLI_INV(1);
 499
 500	/* flush entire cache L0/L1/L2, this can be optimized by performance requirement */
 501	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ));
 502	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0));
 503	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) |
 504			  SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0));
 505	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) |
 506			  SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16));
 507	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) |
 508			  SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0));
 509}
 510
 511/**
 512 * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
 513 *
 514 * @ring: amdgpu ring pointer
 515 *
 516 * Emit an hdp flush packet on the requested DMA ring.
 517 */
 518static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
 519{
 520	struct amdgpu_device *adev = ring->adev;
 521	u32 ref_and_mask = 0;
 522	const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
 523
 524	if (ring->me == 0)
 525		ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0;
 526	else
 527		ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1;
 528
 529	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
 530			  SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) |
 531			  SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
 532	amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2);
 533	amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2);
 534	amdgpu_ring_write(ring, ref_and_mask); /* reference */
 535	amdgpu_ring_write(ring, ref_and_mask); /* mask */
 536	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
 537			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
 538}
 539
 540/**
 541 * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring
 542 *
 543 * @ring: amdgpu ring pointer
 544 * @addr: address
 545 * @seq: sequence number
 546 * @flags: fence related flags
 547 *
 548 * Add a DMA fence packet to the ring to write
 549 * the fence seq number and DMA trap packet to generate
 550 * an interrupt if needed (NAVI10).
 551 */
 552static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 553				      unsigned flags)
 554{
 555	bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
 556	/* write the fence */
 557	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
 558			  SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */
 559	/* zero in first two bits */
 560	BUG_ON(addr & 0x3);
 561	amdgpu_ring_write(ring, lower_32_bits(addr));
 562	amdgpu_ring_write(ring, upper_32_bits(addr));
 563	amdgpu_ring_write(ring, lower_32_bits(seq));
 564
 565	/* optionally write high bits as well */
 566	if (write64bit) {
 567		addr += 4;
 568		amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
 569				  SDMA_PKT_FENCE_HEADER_MTYPE(0x3));
 570		/* zero in first two bits */
 571		BUG_ON(addr & 0x3);
 572		amdgpu_ring_write(ring, lower_32_bits(addr));
 573		amdgpu_ring_write(ring, upper_32_bits(addr));
 574		amdgpu_ring_write(ring, upper_32_bits(seq));
 575	}
 576
 577	if (flags & AMDGPU_FENCE_FLAG_INT) {
 578		uint32_t ctx = ring->is_mes_queue ?
 579			(ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0;
 580		/* generate an interrupt */
 581		amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
 582		amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx));
 583	}
 584}
 585
 586
 587/**
 588 * sdma_v5_0_gfx_stop - stop the gfx async dma engines
 589 *
 590 * @adev: amdgpu_device pointer
 591 *
 592 * Stop the gfx async dma ring buffers (NAVI10).
 593 */
 594static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev)
 595{
 
 
 596	u32 rb_cntl, ib_cntl;
 597	int i;
 598
 
 
 
 
 599	for (i = 0; i < adev->sdma.num_instances; i++) {
 600		rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
 601		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
 602		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 603		ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
 604		ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
 605		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
 606	}
 607}
 608
 609/**
 610 * sdma_v5_0_rlc_stop - stop the compute async dma engines
 611 *
 612 * @adev: amdgpu_device pointer
 613 *
 614 * Stop the compute async dma queues (NAVI10).
 615 */
 616static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev)
 617{
 618	/* XXX todo */
 619}
 620
 621/**
 622 * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch
 623 *
 624 * @adev: amdgpu_device pointer
 625 * @enable: enable/disable the DMA MEs context switch.
 626 *
 627 * Halt or unhalt the async dma engines context switch (NAVI10).
 628 */
 629static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
 630{
 631	u32 f32_cntl = 0, phase_quantum = 0;
 632	int i;
 633
 634	if (amdgpu_sdma_phase_quantum) {
 635		unsigned value = amdgpu_sdma_phase_quantum;
 636		unsigned unit = 0;
 637
 638		while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 639				SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
 640			value = (value + 1) >> 1;
 641			unit++;
 642		}
 643		if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 644			    SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
 645			value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 646				 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
 647			unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 648				SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
 649			WARN_ONCE(1,
 650			"clamping sdma_phase_quantum to %uK clock cycles\n",
 651				  value << unit);
 652		}
 653		phase_quantum =
 654			value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
 655			unit  << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
 656	}
 657
 658	for (i = 0; i < adev->sdma.num_instances; i++) {
 659		if (!amdgpu_sriov_vf(adev)) {
 660			f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
 661			f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
 662						 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
 663		}
 664
 665		if (enable && amdgpu_sdma_phase_quantum) {
 666			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM),
 667			       phase_quantum);
 668			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM),
 669			       phase_quantum);
 670			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM),
 671			       phase_quantum);
 672		}
 673		if (!amdgpu_sriov_vf(adev))
 674			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
 675	}
 676
 677}
 678
 679/**
 680 * sdma_v5_0_enable - stop the async dma engines
 681 *
 682 * @adev: amdgpu_device pointer
 683 * @enable: enable/disable the DMA MEs.
 684 *
 685 * Halt or unhalt the async dma engines (NAVI10).
 686 */
 687static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable)
 688{
 689	u32 f32_cntl;
 690	int i;
 691
 692	if (!enable) {
 693		sdma_v5_0_gfx_stop(adev);
 694		sdma_v5_0_rlc_stop(adev);
 695	}
 696
 697	if (amdgpu_sriov_vf(adev))
 698		return;
 699
 700	for (i = 0; i < adev->sdma.num_instances; i++) {
 701		f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
 702		f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
 703		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
 704	}
 705}
 706
 707/**
 708 * sdma_v5_0_gfx_resume_instance - start/restart a certain sdma engine
 709 *
 710 * @adev: amdgpu_device pointer
 711 * @i: instance
 712 * @restore: used to restore wptr when restart
 713 *
 714 * Set up the gfx DMA ring buffers and enable them. On restart, we will restore wptr and rptr.
 715 * Return 0 for success.
 716 */
 717static int sdma_v5_0_gfx_resume_instance(struct amdgpu_device *adev, int i, bool restore)
 718{
 719	struct amdgpu_ring *ring;
 720	u32 rb_cntl, ib_cntl;
 721	u32 rb_bufsz;
 
 722	u32 doorbell;
 723	u32 doorbell_offset;
 724	u32 temp;
 725	u32 wptr_poll_cntl;
 726	u64 wptr_gpu_addr;
 
 727
 728	ring = &adev->sdma.instance[i].ring;
 
 
 729
 730	if (!amdgpu_sriov_vf(adev))
 731		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
 732
 733	/* Set ring buffer size in dwords */
 734	rb_bufsz = order_base_2(ring->ring_size / 4);
 735	rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
 736	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
 737#ifdef __BIG_ENDIAN
 738	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
 739	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
 740				RPTR_WRITEBACK_SWAP_ENABLE, 1);
 741#endif
 742	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 743
 744	/* Initialize the ring buffer's read and write pointers */
 745	if (restore) {
 746		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), lower_32_bits(ring->wptr << 2));
 747		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), upper_32_bits(ring->wptr << 2));
 748		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr << 2));
 749		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr << 2));
 750	} else {
 751		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0);
 752		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0);
 753		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0);
 754		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0);
 755	}
 756	/* setup the wptr shadow polling */
 757	wptr_gpu_addr = ring->wptr_gpu_addr;
 758	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO),
 759	       lower_32_bits(wptr_gpu_addr));
 760	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI),
 761	       upper_32_bits(wptr_gpu_addr));
 762	wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
 763						 mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
 764	wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
 765				       SDMA0_GFX_RB_WPTR_POLL_CNTL,
 766				       F32_POLL_ENABLE, 1);
 767	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL),
 768	       wptr_poll_cntl);
 769
 770	/* set the wb address whether it's enabled or not */
 771	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI),
 772	       upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
 773	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO),
 774	       lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
 775
 776	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
 777
 778	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE),
 779	       ring->gpu_addr >> 8);
 780	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI),
 781	       ring->gpu_addr >> 40);
 782
 783	if (!restore)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 784		ring->wptr = 0;
 785
 786	/* before programing wptr to a less value, need set minor_ptr_update first */
 787	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1);
 788
 789	if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */
 790		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR),
 791		       lower_32_bits(ring->wptr << 2));
 792		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI),
 793		       upper_32_bits(ring->wptr << 2));
 794	}
 795
 796	doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL));
 797	doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
 798					mmSDMA0_GFX_DOORBELL_OFFSET));
 799
 800	if (ring->use_doorbell) {
 801		doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1);
 802		doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET,
 803				OFFSET, ring->doorbell_index);
 804	} else {
 805		doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0);
 806	}
 807	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell);
 808	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET),
 809	       doorbell_offset);
 810
 811	adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
 812					      ring->doorbell_index, 20);
 813
 814	if (amdgpu_sriov_vf(adev))
 815		sdma_v5_0_ring_set_wptr(ring);
 816
 817	/* set minor_ptr_update to 0 after wptr programed */
 818	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0);
 819
 820	if (!amdgpu_sriov_vf(adev)) {
 821		/* set utc l1 enable flag always to 1 */
 822		temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
 823		temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
 824
 825		/* enable MCBP */
 826		temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
 827		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
 828
 829		/* Set up RESP_MODE to non-copy addresses */
 830		temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
 831		temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
 832		temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
 833		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
 834
 835		/* program default cache read and write policy */
 836		temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
 837		/* clean read policy and write policy bits */
 838		temp &= 0xFF0FFF;
 839		temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
 840		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
 841	}
 842
 843	if (!amdgpu_sriov_vf(adev)) {
 844		/* unhalt engine */
 845		temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
 846		temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
 847		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp);
 848	}
 849
 850	/* enable DMA RB */
 851	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
 852	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 853
 854	ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
 855	ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
 856#ifdef __BIG_ENDIAN
 857	ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
 858#endif
 859	/* enable DMA IBs */
 860	WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
 861
 862	if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */
 863		sdma_v5_0_ctx_switch_enable(adev, true);
 864		sdma_v5_0_enable(adev, true);
 865	}
 866
 867	return amdgpu_ring_test_helper(ring);
 868}
 869
 870/**
 871 * sdma_v5_0_gfx_resume - setup and start the async dma engines
 872 *
 873 * @adev: amdgpu_device pointer
 874 *
 875 * Set up the gfx DMA ring buffers and enable them (NAVI10).
 876 * Returns 0 for success, error for failure.
 877 */
 878static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
 879{
 880	int i, r;
 881
 882	for (i = 0; i < adev->sdma.num_instances; i++) {
 883		r = sdma_v5_0_gfx_resume_instance(adev, i, false);
 884		if (r)
 885			return r;
 
 
 
 886	}
 887
 888	return 0;
 889}
 890
 891/**
 892 * sdma_v5_0_rlc_resume - setup and start the async dma engines
 893 *
 894 * @adev: amdgpu_device pointer
 895 *
 896 * Set up the compute DMA queues and enable them (NAVI10).
 897 * Returns 0 for success, error for failure.
 898 */
 899static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev)
 900{
 901	return 0;
 902}
 903
 904/**
 905 * sdma_v5_0_load_microcode - load the sDMA ME ucode
 906 *
 907 * @adev: amdgpu_device pointer
 908 *
 909 * Loads the sDMA0/1 ucode.
 910 * Returns 0 for success, -EINVAL if the ucode is not available.
 911 */
 912static int sdma_v5_0_load_microcode(struct amdgpu_device *adev)
 913{
 914	const struct sdma_firmware_header_v1_0 *hdr;
 915	const __le32 *fw_data;
 916	u32 fw_size;
 917	int i, j;
 918
 919	/* halt the MEs */
 920	sdma_v5_0_enable(adev, false);
 921
 922	for (i = 0; i < adev->sdma.num_instances; i++) {
 923		if (!adev->sdma.instance[i].fw)
 924			return -EINVAL;
 925
 926		hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
 927		amdgpu_ucode_print_sdma_hdr(&hdr->header);
 928		fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
 929
 930		fw_data = (const __le32 *)
 931			(adev->sdma.instance[i].fw->data +
 932				le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 933
 934		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0);
 935
 936		for (j = 0; j < fw_size; j++) {
 937			if (amdgpu_emu_mode == 1 && j % 500 == 0)
 938				msleep(1);
 939			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
 940		}
 941
 942		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version);
 943	}
 944
 945	return 0;
 946}
 947
 948/**
 949 * sdma_v5_0_start - setup and start the async dma engines
 950 *
 951 * @adev: amdgpu_device pointer
 952 *
 953 * Set up the DMA engines and enable them (NAVI10).
 954 * Returns 0 for success, error for failure.
 955 */
 956static int sdma_v5_0_start(struct amdgpu_device *adev)
 957{
 958	int r = 0;
 959
 960	if (amdgpu_sriov_vf(adev)) {
 961		sdma_v5_0_ctx_switch_enable(adev, false);
 962		sdma_v5_0_enable(adev, false);
 963
 964		/* set RB registers */
 965		r = sdma_v5_0_gfx_resume(adev);
 966		return r;
 967	}
 968
 969	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 970		r = sdma_v5_0_load_microcode(adev);
 971		if (r)
 972			return r;
 973	}
 974
 975	/* unhalt the MEs */
 976	sdma_v5_0_enable(adev, true);
 977	/* enable sdma ring preemption */
 978	sdma_v5_0_ctx_switch_enable(adev, true);
 979
 980	/* start the gfx rings and rlc compute queues */
 981	r = sdma_v5_0_gfx_resume(adev);
 982	if (r)
 983		return r;
 984	r = sdma_v5_0_rlc_resume(adev);
 985
 986	return r;
 987}
 988
 989static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd,
 990			      struct amdgpu_mqd_prop *prop)
 991{
 992	struct v10_sdma_mqd *m = mqd;
 993	uint64_t wb_gpu_addr;
 994
 995	m->sdmax_rlcx_rb_cntl =
 996		order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
 997		1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
 998		6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT |
 999		1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT;
1000
1001	m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8);
1002	m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8);
1003
1004	m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
1005						  mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
1006
1007	wb_gpu_addr = prop->wptr_gpu_addr;
1008	m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr);
1009	m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr);
1010
1011	wb_gpu_addr = prop->rptr_gpu_addr;
1012	m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr);
1013	m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr);
1014
1015	m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
1016							mmSDMA0_GFX_IB_CNTL));
1017
1018	m->sdmax_rlcx_doorbell_offset =
1019		prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
1020
1021	m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1);
1022
1023	return 0;
1024}
1025
1026static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev)
1027{
1028	adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd);
1029	adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init;
1030}
1031
1032/**
1033 * sdma_v5_0_ring_test_ring - simple async dma engine test
1034 *
1035 * @ring: amdgpu_ring structure holding ring information
1036 *
1037 * Test the DMA engine by writing using it to write an
1038 * value to memory. (NAVI10).
1039 * Returns 0 for success, error for failure.
1040 */
1041static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring)
1042{
1043	struct amdgpu_device *adev = ring->adev;
1044	unsigned i;
1045	unsigned index;
1046	int r;
1047	u32 tmp;
1048	u64 gpu_addr;
1049	volatile uint32_t *cpu_ptr = NULL;
1050
1051	tmp = 0xCAFEDEAD;
1052
1053	if (ring->is_mes_queue) {
1054		uint32_t offset = 0;
1055		offset = amdgpu_mes_ctx_get_offs(ring,
1056					 AMDGPU_MES_CTX_PADDING_OFFS);
1057		gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1058		cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1059		*cpu_ptr = tmp;
1060	} else {
1061		r = amdgpu_device_wb_get(adev, &index);
1062		if (r) {
1063			dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r);
1064			return r;
1065		}
1066
1067		gpu_addr = adev->wb.gpu_addr + (index * 4);
1068		adev->wb.wb[index] = cpu_to_le32(tmp);
 
 
1069	}
1070
1071	r = amdgpu_ring_alloc(ring, 20);
 
 
 
 
1072	if (r) {
1073		DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r);
1074		if (!ring->is_mes_queue)
1075			amdgpu_device_wb_free(adev, index);
1076		return r;
1077	}
1078
1079	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1080			  SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1081	amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1082	amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1083	amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1084	amdgpu_ring_write(ring, 0xDEADBEEF);
1085	amdgpu_ring_commit(ring);
1086
1087	for (i = 0; i < adev->usec_timeout; i++) {
1088		if (ring->is_mes_queue)
1089			tmp = le32_to_cpu(*cpu_ptr);
1090		else
1091			tmp = le32_to_cpu(adev->wb.wb[index]);
1092		if (tmp == 0xDEADBEEF)
1093			break;
1094		if (amdgpu_emu_mode == 1)
1095			msleep(1);
1096		else
1097			udelay(1);
1098	}
1099
1100	if (i >= adev->usec_timeout)
1101		r = -ETIMEDOUT;
1102
1103	if (!ring->is_mes_queue)
1104		amdgpu_device_wb_free(adev, index);
1105
1106	return r;
1107}
1108
1109/**
1110 * sdma_v5_0_ring_test_ib - test an IB on the DMA engine
1111 *
1112 * @ring: amdgpu_ring structure holding ring information
1113 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1114 *
1115 * Test a simple IB in the DMA ring (NAVI10).
1116 * Returns 0 on success, error on failure.
1117 */
1118static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1119{
1120	struct amdgpu_device *adev = ring->adev;
1121	struct amdgpu_ib ib;
1122	struct dma_fence *f = NULL;
1123	unsigned index;
1124	long r;
1125	u32 tmp = 0;
1126	u64 gpu_addr;
1127	volatile uint32_t *cpu_ptr = NULL;
1128
 
 
 
 
 
 
 
1129	tmp = 0xCAFEDEAD;
 
1130	memset(&ib, 0, sizeof(ib));
1131
1132	if (ring->is_mes_queue) {
1133		uint32_t offset = 0;
1134		offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS);
1135		ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1136		ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1137
1138		offset = amdgpu_mes_ctx_get_offs(ring,
1139					 AMDGPU_MES_CTX_PADDING_OFFS);
1140		gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1141		cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1142		*cpu_ptr = tmp;
1143	} else {
1144		r = amdgpu_device_wb_get(adev, &index);
1145		if (r) {
1146			dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r);
1147			return r;
1148		}
1149
1150		gpu_addr = adev->wb.gpu_addr + (index * 4);
1151		adev->wb.wb[index] = cpu_to_le32(tmp);
1152
1153		r = amdgpu_ib_get(adev, NULL, 256,
1154					AMDGPU_IB_POOL_DIRECT, &ib);
1155		if (r) {
1156			DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
1157			goto err0;
1158		}
1159	}
1160
1161	ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1162		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1163	ib.ptr[1] = lower_32_bits(gpu_addr);
1164	ib.ptr[2] = upper_32_bits(gpu_addr);
1165	ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1166	ib.ptr[4] = 0xDEADBEEF;
1167	ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1168	ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1169	ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1170	ib.length_dw = 8;
1171
1172	r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1173	if (r)
1174		goto err1;
1175
1176	r = dma_fence_wait_timeout(f, false, timeout);
1177	if (r == 0) {
1178		DRM_ERROR("amdgpu: IB test timed out\n");
1179		r = -ETIMEDOUT;
1180		goto err1;
1181	} else if (r < 0) {
1182		DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
1183		goto err1;
1184	}
1185
1186	if (ring->is_mes_queue)
1187		tmp = le32_to_cpu(*cpu_ptr);
1188	else
1189		tmp = le32_to_cpu(adev->wb.wb[index]);
1190
1191	if (tmp == 0xDEADBEEF)
1192		r = 0;
1193	else
1194		r = -EINVAL;
1195
1196err1:
1197	amdgpu_ib_free(adev, &ib, NULL);
1198	dma_fence_put(f);
1199err0:
1200	if (!ring->is_mes_queue)
1201		amdgpu_device_wb_free(adev, index);
1202	return r;
1203}
1204
1205
1206/**
1207 * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART
1208 *
1209 * @ib: indirect buffer to fill with commands
1210 * @pe: addr of the page entry
1211 * @src: src addr to copy from
1212 * @count: number of page entries to update
1213 *
1214 * Update PTEs by copying them from the GART using sDMA (NAVI10).
1215 */
1216static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib,
1217				  uint64_t pe, uint64_t src,
1218				  unsigned count)
1219{
1220	unsigned bytes = count * 8;
1221
1222	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1223		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1224	ib->ptr[ib->length_dw++] = bytes - 1;
1225	ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1226	ib->ptr[ib->length_dw++] = lower_32_bits(src);
1227	ib->ptr[ib->length_dw++] = upper_32_bits(src);
1228	ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1229	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1230
1231}
1232
1233/**
1234 * sdma_v5_0_vm_write_pte - update PTEs by writing them manually
1235 *
1236 * @ib: indirect buffer to fill with commands
1237 * @pe: addr of the page entry
1238 * @value: dst addr to write into pe
1239 * @count: number of page entries to update
1240 * @incr: increase next addr by incr bytes
1241 *
1242 * Update PTEs by writing them manually using sDMA (NAVI10).
1243 */
1244static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1245				   uint64_t value, unsigned count,
1246				   uint32_t incr)
1247{
1248	unsigned ndw = count * 2;
1249
1250	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1251		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1252	ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1253	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1254	ib->ptr[ib->length_dw++] = ndw - 1;
1255	for (; ndw > 0; ndw -= 2) {
1256		ib->ptr[ib->length_dw++] = lower_32_bits(value);
1257		ib->ptr[ib->length_dw++] = upper_32_bits(value);
1258		value += incr;
1259	}
1260}
1261
1262/**
1263 * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA
1264 *
1265 * @ib: indirect buffer to fill with commands
1266 * @pe: addr of the page entry
1267 * @addr: dst addr to write into pe
1268 * @count: number of page entries to update
1269 * @incr: increase next addr by incr bytes
1270 * @flags: access flags
1271 *
1272 * Update the page tables using sDMA (NAVI10).
1273 */
1274static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1275				     uint64_t pe,
1276				     uint64_t addr, unsigned count,
1277				     uint32_t incr, uint64_t flags)
1278{
1279	/* for physically contiguous pages (vram) */
1280	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1281	ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1282	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1283	ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1284	ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1285	ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1286	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1287	ib->ptr[ib->length_dw++] = incr; /* increment size */
1288	ib->ptr[ib->length_dw++] = 0;
1289	ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1290}
1291
1292/**
1293 * sdma_v5_0_ring_pad_ib - pad the IB
1294 * @ring: amdgpu_ring structure holding ring information
1295 * @ib: indirect buffer to fill with padding
1296 *
1297 * Pad the IB with NOPs to a boundary multiple of 8.
1298 */
1299static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1300{
1301	struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1302	u32 pad_count;
1303	int i;
1304
1305	pad_count = (-ib->length_dw) & 0x7;
1306	for (i = 0; i < pad_count; i++)
1307		if (sdma && sdma->burst_nop && (i == 0))
1308			ib->ptr[ib->length_dw++] =
1309				SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1310				SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1311		else
1312			ib->ptr[ib->length_dw++] =
1313				SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1314}
1315
1316
1317/**
1318 * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline
1319 *
1320 * @ring: amdgpu_ring pointer
1321 *
1322 * Make sure all previous operations are completed (CIK).
1323 */
1324static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1325{
1326	uint32_t seq = ring->fence_drv.sync_seq;
1327	uint64_t addr = ring->fence_drv.gpu_addr;
1328
1329	/* wait for idle */
1330	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1331			  SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1332			  SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */
1333			  SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1));
1334	amdgpu_ring_write(ring, addr & 0xfffffffc);
1335	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
1336	amdgpu_ring_write(ring, seq); /* reference */
1337	amdgpu_ring_write(ring, 0xffffffff); /* mask */
1338	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1339			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
1340}
1341
1342
1343/**
1344 * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA
1345 *
1346 * @ring: amdgpu_ring pointer
1347 * @vmid: vmid number to use
1348 * @pd_addr: address
1349 *
1350 * Update the page table base and flush the VM TLB
1351 * using sDMA (NAVI10).
1352 */
1353static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1354					 unsigned vmid, uint64_t pd_addr)
1355{
1356	amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1357}
1358
1359static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring,
1360				     uint32_t reg, uint32_t val)
1361{
1362	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1363			  SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1364	amdgpu_ring_write(ring, reg);
1365	amdgpu_ring_write(ring, val);
1366}
1367
1368static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1369					 uint32_t val, uint32_t mask)
1370{
1371	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1372			  SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1373			  SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */
1374	amdgpu_ring_write(ring, reg << 2);
1375	amdgpu_ring_write(ring, 0);
1376	amdgpu_ring_write(ring, val); /* reference */
1377	amdgpu_ring_write(ring, mask); /* mask */
1378	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1379			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10));
1380}
1381
1382static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
1383						   uint32_t reg0, uint32_t reg1,
1384						   uint32_t ref, uint32_t mask)
1385{
1386	amdgpu_ring_emit_wreg(ring, reg0, ref);
1387	/* wait for a cycle to reset vm_inv_eng*_ack */
1388	amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0);
1389	amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);
1390}
1391
1392static int sdma_v5_0_early_init(struct amdgpu_ip_block *ip_block)
1393{
1394	struct amdgpu_device *adev = ip_block->adev;
1395	int r;
1396
1397	r = sdma_v5_0_init_microcode(adev);
1398	if (r)
1399		return r;
1400
1401	sdma_v5_0_set_ring_funcs(adev);
1402	sdma_v5_0_set_buffer_funcs(adev);
1403	sdma_v5_0_set_vm_pte_funcs(adev);
1404	sdma_v5_0_set_irq_funcs(adev);
1405	sdma_v5_0_set_mqd_funcs(adev);
1406
1407	return 0;
1408}
1409
1410
1411static int sdma_v5_0_sw_init(struct amdgpu_ip_block *ip_block)
1412{
1413	struct amdgpu_ring *ring;
1414	int r, i;
1415	struct amdgpu_device *adev = ip_block->adev;
1416	uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_5_0);
1417	uint32_t *ptr;
1418
1419	/* SDMA trap event */
1420	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0,
1421			      SDMA0_5_0__SRCID__SDMA_TRAP,
1422			      &adev->sdma.trap_irq);
1423	if (r)
1424		return r;
1425
1426	/* SDMA trap event */
1427	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1,
1428			      SDMA1_5_0__SRCID__SDMA_TRAP,
1429			      &adev->sdma.trap_irq);
1430	if (r)
1431		return r;
1432
 
 
 
 
 
 
1433	for (i = 0; i < adev->sdma.num_instances; i++) {
1434		ring = &adev->sdma.instance[i].ring;
1435		ring->ring_obj = NULL;
1436		ring->use_doorbell = true;
1437
1438		DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
1439				ring->use_doorbell?"true":"false");
1440
1441		ring->doorbell_index = (i == 0) ?
1442			(adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset
1443			: (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset
1444
1445		ring->vm_hub = AMDGPU_GFXHUB(0);
1446		sprintf(ring->name, "sdma%d", i);
1447		r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1448				     (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 :
1449				     AMDGPU_SDMA_IRQ_INSTANCE1,
1450				     AMDGPU_RING_PRIO_DEFAULT, NULL);
1451		if (r)
1452			return r;
1453	}
1454
1455	adev->sdma.supported_reset =
1456		amdgpu_get_soft_full_reset_mask(&adev->sdma.instance[0].ring);
1457	switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
1458	case IP_VERSION(5, 0, 0):
1459	case IP_VERSION(5, 0, 2):
1460	case IP_VERSION(5, 0, 5):
1461		if (adev->sdma.instance[0].fw_version >= 35)
1462			adev->sdma.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
1463		break;
1464	default:
1465		break;
1466	}
1467
1468	/* Allocate memory for SDMA IP Dump buffer */
1469	ptr = kcalloc(adev->sdma.num_instances * reg_count, sizeof(uint32_t), GFP_KERNEL);
1470	if (ptr)
1471		adev->sdma.ip_dump = ptr;
1472	else
1473		DRM_ERROR("Failed to allocated memory for SDMA IP Dump\n");
1474
1475	r = amdgpu_sdma_sysfs_reset_mask_init(adev);
1476	if (r)
1477		return r;
1478
1479	return r;
1480}
1481
1482static int sdma_v5_0_sw_fini(struct amdgpu_ip_block *ip_block)
1483{
1484	struct amdgpu_device *adev = ip_block->adev;
1485	int i;
1486
1487	for (i = 0; i < adev->sdma.num_instances; i++)
1488		amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1489
1490	amdgpu_sdma_sysfs_reset_mask_fini(adev);
1491	amdgpu_sdma_destroy_inst_ctx(adev, false);
1492
1493	kfree(adev->sdma.ip_dump);
 
1494
1495	return 0;
1496}
1497
1498static int sdma_v5_0_hw_init(struct amdgpu_ip_block *ip_block)
1499{
1500	int r;
1501	struct amdgpu_device *adev = ip_block->adev;
1502
1503	sdma_v5_0_init_golden_registers(adev);
1504
1505	r = sdma_v5_0_start(adev);
1506
1507	return r;
1508}
1509
1510static int sdma_v5_0_hw_fini(struct amdgpu_ip_block *ip_block)
1511{
1512	struct amdgpu_device *adev = ip_block->adev;
1513
1514	if (amdgpu_sriov_vf(adev))
1515		return 0;
1516
1517	sdma_v5_0_ctx_switch_enable(adev, false);
1518	sdma_v5_0_enable(adev, false);
1519
1520	return 0;
1521}
1522
1523static int sdma_v5_0_suspend(struct amdgpu_ip_block *ip_block)
1524{
1525	return sdma_v5_0_hw_fini(ip_block);
 
 
1526}
1527
1528static int sdma_v5_0_resume(struct amdgpu_ip_block *ip_block)
1529{
1530	return sdma_v5_0_hw_init(ip_block);
 
 
1531}
1532
1533static bool sdma_v5_0_is_idle(void *handle)
1534{
1535	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1536	u32 i;
1537
1538	for (i = 0; i < adev->sdma.num_instances; i++) {
1539		u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG));
1540
1541		if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1542			return false;
1543	}
1544
1545	return true;
1546}
1547
1548static int sdma_v5_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
1549{
1550	unsigned i;
1551	u32 sdma0, sdma1;
1552	struct amdgpu_device *adev = ip_block->adev;
1553
1554	for (i = 0; i < adev->usec_timeout; i++) {
1555		sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG));
1556		sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG));
1557
1558		if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
1559			return 0;
1560		udelay(1);
1561	}
1562	return -ETIMEDOUT;
1563}
1564
1565static int sdma_v5_0_soft_reset(struct amdgpu_ip_block *ip_block)
1566{
1567	/* todo */
1568
1569	return 0;
1570}
1571
1572static int sdma_v5_0_reset_queue(struct amdgpu_ring *ring, unsigned int vmid)
1573{
1574	struct amdgpu_device *adev = ring->adev;
1575	int i, j, r;
1576	u32 rb_cntl, ib_cntl, f32_cntl, freeze, cntl, preempt, soft_reset, stat1_reg;
1577
1578	if (amdgpu_sriov_vf(adev))
1579		return -EINVAL;
1580
1581	for (i = 0; i < adev->sdma.num_instances; i++) {
1582		if (ring == &adev->sdma.instance[i].ring)
1583			break;
1584	}
1585
1586	if (i == adev->sdma.num_instances) {
1587		DRM_ERROR("sdma instance not found\n");
1588		return -EINVAL;
1589	}
1590
1591	amdgpu_gfx_rlc_enter_safe_mode(adev, 0);
1592
1593	/* stop queue */
1594	ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
1595	ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
1596	WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
1597
1598	rb_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
1599	rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
1600	WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
1601
1602	/* engine stop SDMA1_F32_CNTL.HALT to 1 and SDMAx_FREEZE freeze bit to 1 */
1603	freeze = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE));
1604	freeze = REG_SET_FIELD(freeze, SDMA0_FREEZE, FREEZE, 1);
1605	WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE), freeze);
1606
1607	for (j = 0; j < adev->usec_timeout; j++) {
1608		freeze = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE));
1609		if (REG_GET_FIELD(freeze, SDMA0_FREEZE, FROZEN) & 1)
1610			break;
1611		udelay(1);
1612	}
1613
1614	/* check sdma copy engine all idle if frozen not received*/
1615	if (j == adev->usec_timeout) {
1616		stat1_reg = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS1_REG));
1617		if ((stat1_reg & 0x3FF) != 0x3FF) {
1618			DRM_ERROR("cannot soft reset as sdma not idle\n");
1619			r = -ETIMEDOUT;
1620			goto err0;
1621		}
1622	}
1623
1624	f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
1625	f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 1);
1626	WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
1627
1628	cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
1629	cntl = REG_SET_FIELD(cntl, SDMA0_CNTL, UTC_L1_ENABLE, 0);
1630	WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), cntl);
1631
1632	/* soft reset SDMA_GFX_PREEMPT.IB_PREEMPT = 0 mmGRBM_SOFT_RESET.SOFT_RESET_SDMA0/1 = 1 */
1633	preempt = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_PREEMPT));
1634	preempt = REG_SET_FIELD(preempt, SDMA0_GFX_PREEMPT, IB_PREEMPT, 0);
1635	WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_PREEMPT), preempt);
1636
1637	soft_reset = RREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET);
1638	soft_reset |= 1 << GRBM_SOFT_RESET__SOFT_RESET_SDMA0__SHIFT << i;
1639
1640	WREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET, soft_reset);
1641
1642	udelay(50);
1643
1644	soft_reset &= ~(1 << GRBM_SOFT_RESET__SOFT_RESET_SDMA0__SHIFT << i);
1645	WREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET, soft_reset);
1646
1647	/* unfreeze*/
1648	freeze = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE));
1649	freeze = REG_SET_FIELD(freeze, SDMA0_FREEZE, FREEZE, 0);
1650	WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE), freeze);
1651
1652	r = sdma_v5_0_gfx_resume_instance(adev, i, true);
1653
1654err0:
1655	amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
1656	return r;
1657}
1658
1659static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring)
1660{
1661	int i, r = 0;
1662	struct amdgpu_device *adev = ring->adev;
1663	u32 index = 0;
1664	u64 sdma_gfx_preempt;
1665
1666	amdgpu_sdma_get_index_from_ring(ring, &index);
1667	if (index == 0)
1668		sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT;
1669	else
1670		sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT;
1671
1672	/* assert preemption condition */
1673	amdgpu_ring_set_preempt_cond_exec(ring, false);
1674
1675	/* emit the trailing fence */
1676	ring->trail_seq += 1;
1677	amdgpu_ring_alloc(ring, 10);
1678	sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
1679				  ring->trail_seq, 0);
1680	amdgpu_ring_commit(ring);
1681
1682	/* assert IB preemption */
1683	WREG32(sdma_gfx_preempt, 1);
1684
1685	/* poll the trailing fence */
1686	for (i = 0; i < adev->usec_timeout; i++) {
1687		if (ring->trail_seq ==
1688		    le32_to_cpu(*(ring->trail_fence_cpu_addr)))
1689			break;
1690		udelay(1);
1691	}
1692
1693	if (i >= adev->usec_timeout) {
1694		r = -EINVAL;
1695		DRM_ERROR("ring %d failed to be preempted\n", ring->idx);
1696	}
1697
1698	/* deassert IB preemption */
1699	WREG32(sdma_gfx_preempt, 0);
1700
1701	/* deassert the preemption condition */
1702	amdgpu_ring_set_preempt_cond_exec(ring, true);
1703	return r;
1704}
1705
1706static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev,
1707					struct amdgpu_irq_src *source,
1708					unsigned type,
1709					enum amdgpu_interrupt_state state)
1710{
1711	u32 sdma_cntl;
1712
1713	if (!amdgpu_sriov_vf(adev)) {
1714		u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
1715			sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
1716			sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL);
1717
1718		sdma_cntl = RREG32(reg_offset);
1719		sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
1720					  state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1721		WREG32(reg_offset, sdma_cntl);
1722	}
1723
1724	return 0;
1725}
1726
1727static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev,
1728				      struct amdgpu_irq_src *source,
1729				      struct amdgpu_iv_entry *entry)
1730{
1731	uint32_t mes_queue_id = entry->src_data[0];
1732
1733	DRM_DEBUG("IH: SDMA trap\n");
1734
1735	if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) {
1736		struct amdgpu_mes_queue *queue;
1737
1738		mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK;
1739
1740		spin_lock(&adev->mes.queue_id_lock);
1741		queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id);
1742		if (queue) {
1743			DRM_DEBUG("process smda queue id = %d\n", mes_queue_id);
1744			amdgpu_fence_process(queue->ring);
1745		}
1746		spin_unlock(&adev->mes.queue_id_lock);
1747		return 0;
1748	}
1749
1750	switch (entry->client_id) {
1751	case SOC15_IH_CLIENTID_SDMA0:
1752		switch (entry->ring_id) {
1753		case 0:
1754			amdgpu_fence_process(&adev->sdma.instance[0].ring);
1755			break;
1756		case 1:
1757			/* XXX compute */
1758			break;
1759		case 2:
1760			/* XXX compute */
1761			break;
1762		case 3:
1763			/* XXX page queue*/
1764			break;
1765		}
1766		break;
1767	case SOC15_IH_CLIENTID_SDMA1:
1768		switch (entry->ring_id) {
1769		case 0:
1770			amdgpu_fence_process(&adev->sdma.instance[1].ring);
1771			break;
1772		case 1:
1773			/* XXX compute */
1774			break;
1775		case 2:
1776			/* XXX compute */
1777			break;
1778		case 3:
1779			/* XXX page queue*/
1780			break;
1781		}
1782		break;
1783	}
1784	return 0;
1785}
1786
1787static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev,
1788					      struct amdgpu_irq_src *source,
1789					      struct amdgpu_iv_entry *entry)
1790{
1791	return 0;
1792}
1793
1794static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
1795						       bool enable)
1796{
1797	uint32_t data, def;
1798	int i;
1799
1800	for (i = 0; i < adev->sdma.num_instances; i++) {
1801		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
1802			/* Enable sdma clock gating */
1803			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1804			data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1805				  SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1806				  SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1807				  SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1808				  SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1809				  SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1810				  SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1811				  SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1812			if (def != data)
1813				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1814		} else {
1815			/* Disable sdma clock gating */
1816			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1817			data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1818				 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1819				 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1820				 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1821				 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1822				 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1823				 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1824				 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1825			if (def != data)
1826				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1827		}
1828	}
1829}
1830
1831static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
1832						      bool enable)
1833{
1834	uint32_t data, def;
1835	int i;
1836
1837	for (i = 0; i < adev->sdma.num_instances; i++) {
1838		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
1839			/* Enable sdma mem light sleep */
1840			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1841			data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1842			if (def != data)
1843				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1844
1845		} else {
1846			/* Disable sdma mem light sleep */
1847			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1848			data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1849			if (def != data)
1850				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1851
1852		}
1853	}
1854}
1855
1856static int sdma_v5_0_set_clockgating_state(void *handle,
1857					   enum amd_clockgating_state state)
1858{
1859	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1860
1861	if (amdgpu_sriov_vf(adev))
1862		return 0;
1863
1864	switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
1865	case IP_VERSION(5, 0, 0):
1866	case IP_VERSION(5, 0, 2):
1867	case IP_VERSION(5, 0, 5):
1868		sdma_v5_0_update_medium_grain_clock_gating(adev,
1869				state == AMD_CG_STATE_GATE);
1870		sdma_v5_0_update_medium_grain_light_sleep(adev,
1871				state == AMD_CG_STATE_GATE);
1872		break;
1873	default:
1874		break;
1875	}
1876
1877	return 0;
1878}
1879
1880static int sdma_v5_0_set_powergating_state(void *handle,
1881					  enum amd_powergating_state state)
1882{
1883	return 0;
1884}
1885
1886static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags)
1887{
1888	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1889	int data;
1890
1891	if (amdgpu_sriov_vf(adev))
1892		*flags = 0;
1893
1894	/* AMD_CG_SUPPORT_SDMA_MGCG */
1895	data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL));
1896	if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
1897		*flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1898
1899	/* AMD_CG_SUPPORT_SDMA_LS */
1900	data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL));
1901	if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1902		*flags |= AMD_CG_SUPPORT_SDMA_LS;
1903}
1904
1905static void sdma_v5_0_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p)
1906{
1907	struct amdgpu_device *adev = ip_block->adev;
1908	int i, j;
1909	uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_5_0);
1910	uint32_t instance_offset;
1911
1912	if (!adev->sdma.ip_dump)
1913		return;
1914
1915	drm_printf(p, "num_instances:%d\n", adev->sdma.num_instances);
1916	for (i = 0; i < adev->sdma.num_instances; i++) {
1917		instance_offset = i * reg_count;
1918		drm_printf(p, "\nInstance:%d\n", i);
1919
1920		for (j = 0; j < reg_count; j++)
1921			drm_printf(p, "%-50s \t 0x%08x\n", sdma_reg_list_5_0[j].reg_name,
1922				   adev->sdma.ip_dump[instance_offset + j]);
1923	}
1924}
1925
1926static void sdma_v5_0_dump_ip_state(struct amdgpu_ip_block *ip_block)
1927{
1928	struct amdgpu_device *adev = ip_block->adev;
1929	int i, j;
1930	uint32_t instance_offset;
1931	uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_5_0);
1932
1933	if (!adev->sdma.ip_dump)
1934		return;
1935
1936	amdgpu_gfx_off_ctrl(adev, false);
1937	for (i = 0; i < adev->sdma.num_instances; i++) {
1938		instance_offset = i * reg_count;
1939		for (j = 0; j < reg_count; j++)
1940			adev->sdma.ip_dump[instance_offset + j] =
1941				RREG32(sdma_v5_0_get_reg_offset(adev, i,
1942				       sdma_reg_list_5_0[j].reg_offset));
1943	}
1944	amdgpu_gfx_off_ctrl(adev, true);
1945}
1946
1947static const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
1948	.name = "sdma_v5_0",
1949	.early_init = sdma_v5_0_early_init,
 
1950	.sw_init = sdma_v5_0_sw_init,
1951	.sw_fini = sdma_v5_0_sw_fini,
1952	.hw_init = sdma_v5_0_hw_init,
1953	.hw_fini = sdma_v5_0_hw_fini,
1954	.suspend = sdma_v5_0_suspend,
1955	.resume = sdma_v5_0_resume,
1956	.is_idle = sdma_v5_0_is_idle,
1957	.wait_for_idle = sdma_v5_0_wait_for_idle,
1958	.soft_reset = sdma_v5_0_soft_reset,
1959	.set_clockgating_state = sdma_v5_0_set_clockgating_state,
1960	.set_powergating_state = sdma_v5_0_set_powergating_state,
1961	.get_clockgating_state = sdma_v5_0_get_clockgating_state,
1962	.dump_ip_state = sdma_v5_0_dump_ip_state,
1963	.print_ip_state = sdma_v5_0_print_ip_state,
1964};
1965
1966static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
1967	.type = AMDGPU_RING_TYPE_SDMA,
1968	.align_mask = 0xf,
1969	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1970	.support_64bit_ptrs = true,
1971	.secure_submission_supported = true,
1972	.get_rptr = sdma_v5_0_ring_get_rptr,
1973	.get_wptr = sdma_v5_0_ring_get_wptr,
1974	.set_wptr = sdma_v5_0_ring_set_wptr,
1975	.emit_frame_size =
1976		5 + /* sdma_v5_0_ring_init_cond_exec */
1977		6 + /* sdma_v5_0_ring_emit_hdp_flush */
1978		3 + /* hdp_invalidate */
1979		6 + /* sdma_v5_0_ring_emit_pipeline_sync */
1980		/* sdma_v5_0_ring_emit_vm_flush */
1981		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1982		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 +
1983		10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
1984	.emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */
1985	.emit_ib = sdma_v5_0_ring_emit_ib,
1986	.emit_mem_sync = sdma_v5_0_ring_emit_mem_sync,
1987	.emit_fence = sdma_v5_0_ring_emit_fence,
1988	.emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
1989	.emit_vm_flush = sdma_v5_0_ring_emit_vm_flush,
1990	.emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush,
1991	.test_ring = sdma_v5_0_ring_test_ring,
1992	.test_ib = sdma_v5_0_ring_test_ib,
1993	.insert_nop = sdma_v5_0_ring_insert_nop,
1994	.pad_ib = sdma_v5_0_ring_pad_ib,
1995	.emit_wreg = sdma_v5_0_ring_emit_wreg,
1996	.emit_reg_wait = sdma_v5_0_ring_emit_reg_wait,
1997	.emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait,
1998	.init_cond_exec = sdma_v5_0_ring_init_cond_exec,
 
1999	.preempt_ib = sdma_v5_0_ring_preempt_ib,
2000	.reset = sdma_v5_0_reset_queue,
2001};
2002
2003static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev)
2004{
2005	int i;
2006
2007	for (i = 0; i < adev->sdma.num_instances; i++) {
2008		adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs;
2009		adev->sdma.instance[i].ring.me = i;
2010	}
2011}
2012
2013static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = {
2014	.set = sdma_v5_0_set_trap_irq_state,
2015	.process = sdma_v5_0_process_trap_irq,
2016};
2017
2018static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = {
2019	.process = sdma_v5_0_process_illegal_inst_irq,
2020};
2021
2022static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev)
2023{
2024	adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 +
2025					adev->sdma.num_instances;
2026	adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs;
2027	adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs;
2028}
2029
2030/**
2031 * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine
2032 *
2033 * @ib: indirect buffer to copy to
2034 * @src_offset: src GPU address
2035 * @dst_offset: dst GPU address
2036 * @byte_count: number of bytes to xfer
2037 * @copy_flags: copy flags for the buffers
2038 *
2039 * Copy GPU buffers using the DMA engine (NAVI10).
2040 * Used by the amdgpu ttm implementation to move pages if
2041 * registered as the asic copy callback.
2042 */
2043static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib,
2044				       uint64_t src_offset,
2045				       uint64_t dst_offset,
2046				       uint32_t byte_count,
2047				       uint32_t copy_flags)
2048{
2049	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
2050		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
2051		SDMA_PKT_COPY_LINEAR_HEADER_TMZ((copy_flags & AMDGPU_COPY_FLAGS_TMZ) ? 1 : 0);
2052	ib->ptr[ib->length_dw++] = byte_count - 1;
2053	ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
2054	ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
2055	ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
2056	ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2057	ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2058}
2059
2060/**
2061 * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine
2062 *
2063 * @ib: indirect buffer to fill
2064 * @src_data: value to write to buffer
2065 * @dst_offset: dst GPU address
2066 * @byte_count: number of bytes to xfer
2067 *
2068 * Fill GPU buffers using the DMA engine (NAVI10).
2069 */
2070static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib,
2071				       uint32_t src_data,
2072				       uint64_t dst_offset,
2073				       uint32_t byte_count)
2074{
2075	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
2076	ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2077	ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2078	ib->ptr[ib->length_dw++] = src_data;
2079	ib->ptr[ib->length_dw++] = byte_count - 1;
2080}
2081
2082static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = {
2083	.copy_max_bytes = 0x400000,
2084	.copy_num_dw = 7,
2085	.emit_copy_buffer = sdma_v5_0_emit_copy_buffer,
2086
2087	.fill_max_bytes = 0x400000,
2088	.fill_num_dw = 5,
2089	.emit_fill_buffer = sdma_v5_0_emit_fill_buffer,
2090};
2091
2092static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev)
2093{
2094	if (adev->mman.buffer_funcs == NULL) {
2095		adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs;
2096		adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
2097	}
2098}
2099
2100static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = {
2101	.copy_pte_num_dw = 7,
2102	.copy_pte = sdma_v5_0_vm_copy_pte,
2103	.write_pte = sdma_v5_0_vm_write_pte,
2104	.set_pte_pde = sdma_v5_0_vm_set_pte_pde,
2105};
2106
2107static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev)
2108{
2109	unsigned i;
2110
2111	if (adev->vm_manager.vm_pte_funcs == NULL) {
2112		adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs;
2113		for (i = 0; i < adev->sdma.num_instances; i++) {
2114			adev->vm_manager.vm_pte_scheds[i] =
2115				&adev->sdma.instance[i].ring.sched;
2116		}
2117		adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
2118	}
2119}
2120
2121const struct amdgpu_ip_block_version sdma_v5_0_ip_block = {
2122	.type = AMD_IP_BLOCK_TYPE_SDMA,
2123	.major = 5,
2124	.minor = 0,
2125	.rev = 0,
2126	.funcs = &sdma_v5_0_ip_funcs,
2127};