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 void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev);
  63static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev);
  64static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev);
  65static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev);
  66
  67static const struct soc15_reg_golden golden_settings_sdma_5[] = {
  68	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
  69	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  70	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  71	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  72	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  73	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  74	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  75	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  76	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  77	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  78	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  79	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x00ffffff, 0x000c5c00),
  80	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
  81	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  82	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  83	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  84	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  85	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  86	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  87	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  88	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  89	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  90	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  91	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00)
  92};
  93
  94static const struct soc15_reg_golden golden_settings_sdma_5_sriov[] = {
  95	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  96	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  97	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  98	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
  99	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 100	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 101	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 102	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 103	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 104	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 105	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 106	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 107	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 108	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 109	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 110	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 111	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 112	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 113	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 114	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 115};
 116
 117static const struct soc15_reg_golden golden_settings_sdma_nv10[] = {
 118	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 119	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
 120};
 121
 122static const struct soc15_reg_golden golden_settings_sdma_nv14[] = {
 123	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 124	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 125};
 126
 127static const struct soc15_reg_golden golden_settings_sdma_nv12[] = {
 128	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 129	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 130	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 131	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 132	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 133	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 134};
 135
 136static const struct soc15_reg_golden golden_settings_sdma_cyan_skillfish[] = {
 137	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 138	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 139	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 140	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 141	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 142	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 143	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 144	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 145	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 146	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 147	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 148	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 149	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
 150	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x007fffff, 0x004c5c00),
 151	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
 152	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
 153	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
 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	SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x007fffff, 0x004c5c00)
 165};
 166
 167static u32 sdma_v5_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset)
 168{
 169	u32 base;
 170
 171	if (internal_offset >= SDMA0_HYP_DEC_REG_START &&
 172	    internal_offset <= SDMA0_HYP_DEC_REG_END) {
 173		base = adev->reg_offset[GC_HWIP][0][1];
 174		if (instance == 1)
 175			internal_offset += SDMA1_HYP_DEC_REG_OFFSET;
 176	} else {
 177		base = adev->reg_offset[GC_HWIP][0][0];
 178		if (instance == 1)
 179			internal_offset += SDMA1_REG_OFFSET;
 180	}
 181
 182	return base + internal_offset;
 183}
 184
 185static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
 186{
 187	switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
 188	case IP_VERSION(5, 0, 0):
 189		soc15_program_register_sequence(adev,
 190						golden_settings_sdma_5,
 191						(const u32)ARRAY_SIZE(golden_settings_sdma_5));
 192		soc15_program_register_sequence(adev,
 193						golden_settings_sdma_nv10,
 194						(const u32)ARRAY_SIZE(golden_settings_sdma_nv10));
 195		break;
 196	case IP_VERSION(5, 0, 2):
 197		soc15_program_register_sequence(adev,
 198						golden_settings_sdma_5,
 199						(const u32)ARRAY_SIZE(golden_settings_sdma_5));
 200		soc15_program_register_sequence(adev,
 201						golden_settings_sdma_nv14,
 202						(const u32)ARRAY_SIZE(golden_settings_sdma_nv14));
 203		break;
 204	case IP_VERSION(5, 0, 5):
 205		if (amdgpu_sriov_vf(adev))
 206			soc15_program_register_sequence(adev,
 207							golden_settings_sdma_5_sriov,
 208							(const u32)ARRAY_SIZE(golden_settings_sdma_5_sriov));
 209		else
 210			soc15_program_register_sequence(adev,
 211							golden_settings_sdma_5,
 212							(const u32)ARRAY_SIZE(golden_settings_sdma_5));
 213		soc15_program_register_sequence(adev,
 214						golden_settings_sdma_nv12,
 215						(const u32)ARRAY_SIZE(golden_settings_sdma_nv12));
 216		break;
 217	case IP_VERSION(5, 0, 1):
 218		soc15_program_register_sequence(adev,
 219						golden_settings_sdma_cyan_skillfish,
 220						(const u32)ARRAY_SIZE(golden_settings_sdma_cyan_skillfish));
 221		break;
 222	default:
 223		break;
 224	}
 225}
 226
 227/**
 228 * sdma_v5_0_init_microcode - load ucode images from disk
 229 *
 230 * @adev: amdgpu_device pointer
 231 *
 232 * Use the firmware interface to load the ucode images into
 233 * the driver (not loaded into hw).
 234 * Returns 0 on success, error on failure.
 235 */
 236
 237// emulation only, won't work on real chip
 238// navi10 real chip need to use PSP to load firmware
 239static int sdma_v5_0_init_microcode(struct amdgpu_device *adev)
 240{
 241	int ret, i;
 
 
 
 
 
 242
 243	for (i = 0; i < adev->sdma.num_instances; i++) {
 244		ret = amdgpu_sdma_init_microcode(adev, i, false);
 245		if (ret)
 246			return ret;
 
 
 
 
 
 
 
 
 
 
 247	}
 248
 249	return ret;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 250}
 251
 252static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring)
 253{
 254	unsigned ret;
 255
 256	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE));
 257	amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr));
 258	amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr));
 259	amdgpu_ring_write(ring, 1);
 260	ret = ring->wptr & ring->buf_mask;/* this is the offset we need patch later */
 261	amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */
 262
 263	return ret;
 264}
 265
 266static void sdma_v5_0_ring_patch_cond_exec(struct amdgpu_ring *ring,
 267					   unsigned offset)
 268{
 269	unsigned cur;
 270
 271	BUG_ON(offset > ring->buf_mask);
 272	BUG_ON(ring->ring[offset] != 0x55aa55aa);
 273
 274	cur = (ring->wptr - 1) & ring->buf_mask;
 275	if (cur > offset)
 276		ring->ring[offset] = cur - offset;
 277	else
 278		ring->ring[offset] = (ring->buf_mask + 1) - offset + cur;
 279}
 280
 281/**
 282 * sdma_v5_0_ring_get_rptr - get the current read pointer
 283 *
 284 * @ring: amdgpu ring pointer
 285 *
 286 * Get the current rptr from the hardware (NAVI10+).
 287 */
 288static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring)
 289{
 290	u64 *rptr;
 291
 292	/* XXX check if swapping is necessary on BE */
 293	rptr = (u64 *)ring->rptr_cpu_addr;
 294
 295	DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
 296	return ((*rptr) >> 2);
 297}
 298
 299/**
 300 * sdma_v5_0_ring_get_wptr - get the current write pointer
 301 *
 302 * @ring: amdgpu ring pointer
 303 *
 304 * Get the current wptr from the hardware (NAVI10+).
 305 */
 306static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring)
 307{
 308	struct amdgpu_device *adev = ring->adev;
 309	u64 wptr;
 
 310
 311	if (ring->use_doorbell) {
 312		/* XXX check if swapping is necessary on BE */
 313		wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr));
 314		DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
 
 
 315	} else {
 316		wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI));
 317		wptr = wptr << 32;
 318		wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR));
 319		DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr);
 
 
 
 
 
 
 
 320	}
 321
 322	return wptr >> 2;
 323}
 324
 325/**
 326 * sdma_v5_0_ring_set_wptr - commit the write pointer
 327 *
 328 * @ring: amdgpu ring pointer
 329 *
 330 * Write the wptr back to the hardware (NAVI10+).
 331 */
 332static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring)
 333{
 334	struct amdgpu_device *adev = ring->adev;
 335	uint32_t *wptr_saved;
 336	uint32_t *is_queue_unmap;
 337	uint64_t aggregated_db_index;
 338	uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size;
 339
 340	DRM_DEBUG("Setting write pointer\n");
 341	if (ring->is_mes_queue) {
 342		wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
 343		is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
 344					      sizeof(uint32_t));
 345		aggregated_db_index =
 346			amdgpu_mes_get_aggregated_doorbell_index(adev,
 347			AMDGPU_MES_PRIORITY_LEVEL_NORMAL);
 348
 349		atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
 350			     ring->wptr << 2);
 351		*wptr_saved = ring->wptr << 2;
 352		if (*is_queue_unmap) {
 353			WDOORBELL64(aggregated_db_index, ring->wptr << 2);
 354			DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 355					ring->doorbell_index, ring->wptr << 2);
 356			WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 357		} else {
 358			DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 359					ring->doorbell_index, ring->wptr << 2);
 360			WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 361
 362			if (*is_queue_unmap)
 363				WDOORBELL64(aggregated_db_index,
 364					    ring->wptr << 2);
 365		}
 366	} else {
 367		if (ring->use_doorbell) {
 368			DRM_DEBUG("Using doorbell -- "
 369				  "wptr_offs == 0x%08x "
 370				  "lower_32_bits(ring->wptr) << 2 == 0x%08x "
 371				  "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
 372				  ring->wptr_offs,
 373				  lower_32_bits(ring->wptr << 2),
 374				  upper_32_bits(ring->wptr << 2));
 375			/* XXX check if swapping is necessary on BE */
 376			atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
 377				     ring->wptr << 2);
 378			DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
 379				  ring->doorbell_index, ring->wptr << 2);
 380			WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
 381		} else {
 382			DRM_DEBUG("Not using doorbell -- "
 383				  "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
 384				  "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
 385				  ring->me,
 386				  lower_32_bits(ring->wptr << 2),
 387				  ring->me,
 388				  upper_32_bits(ring->wptr << 2));
 389			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
 390					     ring->me, mmSDMA0_GFX_RB_WPTR),
 391					lower_32_bits(ring->wptr << 2));
 392			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
 393					     ring->me, mmSDMA0_GFX_RB_WPTR_HI),
 394					upper_32_bits(ring->wptr << 2));
 395		}
 396	}
 397}
 398
 399static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
 400{
 401	struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
 402	int i;
 403
 404	for (i = 0; i < count; i++)
 405		if (sdma && sdma->burst_nop && (i == 0))
 406			amdgpu_ring_write(ring, ring->funcs->nop |
 407				SDMA_PKT_NOP_HEADER_COUNT(count - 1));
 408		else
 409			amdgpu_ring_write(ring, ring->funcs->nop);
 410}
 411
 412/**
 413 * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine
 414 *
 415 * @ring: amdgpu ring pointer
 416 * @job: job to retrieve vmid from
 417 * @ib: IB object to schedule
 418 * @flags: unused
 419 *
 420 * Schedule an IB in the DMA ring (NAVI10).
 421 */
 422static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
 423				   struct amdgpu_job *job,
 424				   struct amdgpu_ib *ib,
 425				   uint32_t flags)
 426{
 427	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
 428	uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
 429
 430	/* An IB packet must end on a 8 DW boundary--the next dword
 431	 * must be on a 8-dword boundary. Our IB packet below is 6
 432	 * dwords long, thus add x number of NOPs, such that, in
 433	 * modular arithmetic,
 434	 * wptr + 6 + x = 8k, k >= 0, which in C is,
 435	 * (wptr + 6 + x) % 8 = 0.
 436	 * The expression below, is a solution of x.
 437	 */
 438	sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
 439
 440	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
 441			  SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
 442	/* base must be 32 byte aligned */
 443	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
 444	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
 445	amdgpu_ring_write(ring, ib->length_dw);
 446	amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr));
 447	amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr));
 448}
 449
 450/**
 451 * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse
 452 *
 453 * @ring: amdgpu ring pointer
 454 *
 455 * flush the IB by graphics cache rinse.
 456 */
 457static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring)
 458{
 459	uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV |
 460			    SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV |
 461			    SDMA_GCR_GLI_INV(1);
 462
 463	/* flush entire cache L0/L1/L2, this can be optimized by performance requirement */
 464	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ));
 465	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0));
 466	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) |
 467			  SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0));
 468	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) |
 469			  SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16));
 470	amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) |
 471			  SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0));
 472}
 473
 474/**
 475 * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
 476 *
 477 * @ring: amdgpu ring pointer
 478 *
 479 * Emit an hdp flush packet on the requested DMA ring.
 480 */
 481static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
 482{
 483	struct amdgpu_device *adev = ring->adev;
 484	u32 ref_and_mask = 0;
 485	const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
 486
 487	if (ring->me == 0)
 488		ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0;
 489	else
 490		ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1;
 491
 492	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
 493			  SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) |
 494			  SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
 495	amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2);
 496	amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2);
 497	amdgpu_ring_write(ring, ref_and_mask); /* reference */
 498	amdgpu_ring_write(ring, ref_and_mask); /* mask */
 499	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
 500			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
 501}
 502
 503/**
 504 * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring
 505 *
 506 * @ring: amdgpu ring pointer
 507 * @addr: address
 508 * @seq: sequence number
 509 * @flags: fence related flags
 510 *
 511 * Add a DMA fence packet to the ring to write
 512 * the fence seq number and DMA trap packet to generate
 513 * an interrupt if needed (NAVI10).
 514 */
 515static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
 516				      unsigned flags)
 517{
 
 518	bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
 519	/* write the fence */
 520	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
 521			  SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */
 522	/* zero in first two bits */
 523	BUG_ON(addr & 0x3);
 524	amdgpu_ring_write(ring, lower_32_bits(addr));
 525	amdgpu_ring_write(ring, upper_32_bits(addr));
 526	amdgpu_ring_write(ring, lower_32_bits(seq));
 527
 528	/* optionally write high bits as well */
 529	if (write64bit) {
 530		addr += 4;
 531		amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
 532				  SDMA_PKT_FENCE_HEADER_MTYPE(0x3));
 533		/* zero in first two bits */
 534		BUG_ON(addr & 0x3);
 535		amdgpu_ring_write(ring, lower_32_bits(addr));
 536		amdgpu_ring_write(ring, upper_32_bits(addr));
 537		amdgpu_ring_write(ring, upper_32_bits(seq));
 538	}
 539
 540	if (flags & AMDGPU_FENCE_FLAG_INT) {
 541		uint32_t ctx = ring->is_mes_queue ?
 542			(ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0;
 543		/* generate an interrupt */
 544		amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
 545		amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx));
 546	}
 547}
 548
 549
 550/**
 551 * sdma_v5_0_gfx_stop - stop the gfx async dma engines
 552 *
 553 * @adev: amdgpu_device pointer
 554 *
 555 * Stop the gfx async dma ring buffers (NAVI10).
 556 */
 557static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev)
 558{
 
 
 559	u32 rb_cntl, ib_cntl;
 560	int i;
 561
 
 
 
 
 562	for (i = 0; i < adev->sdma.num_instances; i++) {
 563		rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
 564		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
 565		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 566		ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
 567		ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
 568		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
 569	}
 
 
 
 570}
 571
 572/**
 573 * sdma_v5_0_rlc_stop - stop the compute async dma engines
 574 *
 575 * @adev: amdgpu_device pointer
 576 *
 577 * Stop the compute async dma queues (NAVI10).
 578 */
 579static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev)
 580{
 581	/* XXX todo */
 582}
 583
 584/**
 585 * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch
 586 *
 587 * @adev: amdgpu_device pointer
 588 * @enable: enable/disable the DMA MEs context switch.
 589 *
 590 * Halt or unhalt the async dma engines context switch (NAVI10).
 591 */
 592static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
 593{
 594	u32 f32_cntl = 0, phase_quantum = 0;
 595	int i;
 596
 597	if (amdgpu_sdma_phase_quantum) {
 598		unsigned value = amdgpu_sdma_phase_quantum;
 599		unsigned unit = 0;
 600
 601		while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 602				SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
 603			value = (value + 1) >> 1;
 604			unit++;
 605		}
 606		if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 607			    SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
 608			value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
 609				 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
 610			unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
 611				SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
 612			WARN_ONCE(1,
 613			"clamping sdma_phase_quantum to %uK clock cycles\n",
 614				  value << unit);
 615		}
 616		phase_quantum =
 617			value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
 618			unit  << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
 619	}
 620
 621	for (i = 0; i < adev->sdma.num_instances; i++) {
 622		if (!amdgpu_sriov_vf(adev)) {
 623			f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
 624			f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
 625						 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
 626		}
 627
 628		if (enable && amdgpu_sdma_phase_quantum) {
 629			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM),
 630			       phase_quantum);
 631			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM),
 632			       phase_quantum);
 633			WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM),
 634			       phase_quantum);
 635		}
 636		if (!amdgpu_sriov_vf(adev))
 637			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
 638	}
 639
 640}
 641
 642/**
 643 * sdma_v5_0_enable - stop the async dma engines
 644 *
 645 * @adev: amdgpu_device pointer
 646 * @enable: enable/disable the DMA MEs.
 647 *
 648 * Halt or unhalt the async dma engines (NAVI10).
 649 */
 650static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable)
 651{
 652	u32 f32_cntl;
 653	int i;
 654
 655	if (!enable) {
 656		sdma_v5_0_gfx_stop(adev);
 657		sdma_v5_0_rlc_stop(adev);
 658	}
 659
 660	if (amdgpu_sriov_vf(adev))
 661		return;
 662
 663	for (i = 0; i < adev->sdma.num_instances; i++) {
 664		f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
 665		f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
 666		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
 667	}
 668}
 669
 670/**
 671 * sdma_v5_0_gfx_resume - setup and start the async dma engines
 672 *
 673 * @adev: amdgpu_device pointer
 674 *
 675 * Set up the gfx DMA ring buffers and enable them (NAVI10).
 676 * Returns 0 for success, error for failure.
 677 */
 678static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
 679{
 680	struct amdgpu_ring *ring;
 681	u32 rb_cntl, ib_cntl;
 682	u32 rb_bufsz;
 
 683	u32 doorbell;
 684	u32 doorbell_offset;
 685	u32 temp;
 686	u32 wptr_poll_cntl;
 687	u64 wptr_gpu_addr;
 688	int i, r;
 689
 690	for (i = 0; i < adev->sdma.num_instances; i++) {
 691		ring = &adev->sdma.instance[i].ring;
 
 692
 693		if (!amdgpu_sriov_vf(adev))
 694			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
 695
 696		/* Set ring buffer size in dwords */
 697		rb_bufsz = order_base_2(ring->ring_size / 4);
 698		rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
 699		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
 700#ifdef __BIG_ENDIAN
 701		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
 702		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
 703					RPTR_WRITEBACK_SWAP_ENABLE, 1);
 704#endif
 705		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 706
 707		/* Initialize the ring buffer's read and write pointers */
 708		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0);
 709		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0);
 710		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0);
 711		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0);
 712
 713		/* setup the wptr shadow polling */
 714		wptr_gpu_addr = ring->wptr_gpu_addr;
 715		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO),
 716		       lower_32_bits(wptr_gpu_addr));
 717		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI),
 718		       upper_32_bits(wptr_gpu_addr));
 719		wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
 720							 mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
 721		wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
 722					       SDMA0_GFX_RB_WPTR_POLL_CNTL,
 723					       F32_POLL_ENABLE, 1);
 724		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL),
 725		       wptr_poll_cntl);
 726
 727		/* set the wb address whether it's enabled or not */
 728		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI),
 729		       upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
 730		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO),
 731		       lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
 732
 733		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
 734
 735		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE),
 736		       ring->gpu_addr >> 8);
 737		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI),
 738		       ring->gpu_addr >> 40);
 739
 740		ring->wptr = 0;
 741
 742		/* before programing wptr to a less value, need set minor_ptr_update first */
 743		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1);
 744
 745		if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */
 746			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR),
 747			       lower_32_bits(ring->wptr << 2));
 748			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI),
 749			       upper_32_bits(ring->wptr << 2));
 750		}
 751
 752		doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL));
 753		doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
 754						mmSDMA0_GFX_DOORBELL_OFFSET));
 755
 756		if (ring->use_doorbell) {
 757			doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1);
 758			doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET,
 759					OFFSET, ring->doorbell_index);
 760		} else {
 761			doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0);
 762		}
 763		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell);
 764		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET),
 765		       doorbell_offset);
 766
 767		adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
 768						      ring->doorbell_index, 20);
 769
 770		if (amdgpu_sriov_vf(adev))
 771			sdma_v5_0_ring_set_wptr(ring);
 772
 773		/* set minor_ptr_update to 0 after wptr programed */
 774		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0);
 775
 776		if (!amdgpu_sriov_vf(adev)) {
 777			/* set utc l1 enable flag always to 1 */
 778			temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
 779			temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
 780
 781			/* enable MCBP */
 782			temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
 783			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
 784
 785			/* Set up RESP_MODE to non-copy addresses */
 786			temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
 787			temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
 788			temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
 789			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
 790
 791			/* program default cache read and write policy */
 792			temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
 793			/* clean read policy and write policy bits */
 794			temp &= 0xFF0FFF;
 795			temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
 796			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
 797		}
 798
 799		if (!amdgpu_sriov_vf(adev)) {
 800			/* unhalt engine */
 801			temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
 802			temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
 803			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp);
 804		}
 805
 806		/* enable DMA RB */
 807		rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
 808		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
 809
 810		ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
 811		ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
 812#ifdef __BIG_ENDIAN
 813		ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
 814#endif
 815		/* enable DMA IBs */
 816		WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
 
 
 817
 818		if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */
 819			sdma_v5_0_ctx_switch_enable(adev, true);
 820			sdma_v5_0_enable(adev, true);
 821		}
 822
 823		r = amdgpu_ring_test_helper(ring);
 824		if (r)
 
 825			return r;
 
 
 
 
 826	}
 827
 828	return 0;
 829}
 830
 831/**
 832 * sdma_v5_0_rlc_resume - setup and start the async dma engines
 833 *
 834 * @adev: amdgpu_device pointer
 835 *
 836 * Set up the compute DMA queues and enable them (NAVI10).
 837 * Returns 0 for success, error for failure.
 838 */
 839static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev)
 840{
 841	return 0;
 842}
 843
 844/**
 845 * sdma_v5_0_load_microcode - load the sDMA ME ucode
 846 *
 847 * @adev: amdgpu_device pointer
 848 *
 849 * Loads the sDMA0/1 ucode.
 850 * Returns 0 for success, -EINVAL if the ucode is not available.
 851 */
 852static int sdma_v5_0_load_microcode(struct amdgpu_device *adev)
 853{
 854	const struct sdma_firmware_header_v1_0 *hdr;
 855	const __le32 *fw_data;
 856	u32 fw_size;
 857	int i, j;
 858
 859	/* halt the MEs */
 860	sdma_v5_0_enable(adev, false);
 861
 862	for (i = 0; i < adev->sdma.num_instances; i++) {
 863		if (!adev->sdma.instance[i].fw)
 864			return -EINVAL;
 865
 866		hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
 867		amdgpu_ucode_print_sdma_hdr(&hdr->header);
 868		fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
 869
 870		fw_data = (const __le32 *)
 871			(adev->sdma.instance[i].fw->data +
 872				le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 873
 874		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0);
 875
 876		for (j = 0; j < fw_size; j++) {
 877			if (amdgpu_emu_mode == 1 && j % 500 == 0)
 878				msleep(1);
 879			WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
 880		}
 881
 882		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version);
 883	}
 884
 885	return 0;
 886}
 887
 888/**
 889 * sdma_v5_0_start - setup and start the async dma engines
 890 *
 891 * @adev: amdgpu_device pointer
 892 *
 893 * Set up the DMA engines and enable them (NAVI10).
 894 * Returns 0 for success, error for failure.
 895 */
 896static int sdma_v5_0_start(struct amdgpu_device *adev)
 897{
 898	int r = 0;
 899
 900	if (amdgpu_sriov_vf(adev)) {
 901		sdma_v5_0_ctx_switch_enable(adev, false);
 902		sdma_v5_0_enable(adev, false);
 903
 904		/* set RB registers */
 905		r = sdma_v5_0_gfx_resume(adev);
 906		return r;
 907	}
 908
 909	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 910		r = sdma_v5_0_load_microcode(adev);
 911		if (r)
 912			return r;
 
 
 
 
 913	}
 914
 915	/* unhalt the MEs */
 916	sdma_v5_0_enable(adev, true);
 917	/* enable sdma ring preemption */
 918	sdma_v5_0_ctx_switch_enable(adev, true);
 919
 920	/* start the gfx rings and rlc compute queues */
 921	r = sdma_v5_0_gfx_resume(adev);
 922	if (r)
 923		return r;
 924	r = sdma_v5_0_rlc_resume(adev);
 925
 926	return r;
 927}
 928
 929static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd,
 930			      struct amdgpu_mqd_prop *prop)
 931{
 932	struct v10_sdma_mqd *m = mqd;
 933	uint64_t wb_gpu_addr;
 934
 935	m->sdmax_rlcx_rb_cntl =
 936		order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
 937		1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
 938		6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT |
 939		1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT;
 940
 941	m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8);
 942	m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8);
 943
 944	m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
 945						  mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
 946
 947	wb_gpu_addr = prop->wptr_gpu_addr;
 948	m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr);
 949	m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr);
 950
 951	wb_gpu_addr = prop->rptr_gpu_addr;
 952	m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr);
 953	m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr);
 954
 955	m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
 956							mmSDMA0_GFX_IB_CNTL));
 957
 958	m->sdmax_rlcx_doorbell_offset =
 959		prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
 960
 961	m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1);
 962
 963	return 0;
 964}
 965
 966static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev)
 967{
 968	adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd);
 969	adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init;
 970}
 971
 972/**
 973 * sdma_v5_0_ring_test_ring - simple async dma engine test
 974 *
 975 * @ring: amdgpu_ring structure holding ring information
 976 *
 977 * Test the DMA engine by writing using it to write an
 978 * value to memory. (NAVI10).
 979 * Returns 0 for success, error for failure.
 980 */
 981static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring)
 982{
 983	struct amdgpu_device *adev = ring->adev;
 984	unsigned i;
 985	unsigned index;
 986	int r;
 987	u32 tmp;
 988	u64 gpu_addr;
 989	volatile uint32_t *cpu_ptr = NULL;
 990
 991	tmp = 0xCAFEDEAD;
 992
 993	if (ring->is_mes_queue) {
 994		uint32_t offset = 0;
 995		offset = amdgpu_mes_ctx_get_offs(ring,
 996					 AMDGPU_MES_CTX_PADDING_OFFS);
 997		gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
 998		cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
 999		*cpu_ptr = tmp;
1000	} else {
1001		r = amdgpu_device_wb_get(adev, &index);
1002		if (r) {
1003			dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r);
1004			return r;
1005		}
1006
1007		gpu_addr = adev->wb.gpu_addr + (index * 4);
1008		adev->wb.wb[index] = cpu_to_le32(tmp);
1009	}
1010
1011	r = amdgpu_ring_alloc(ring, 20);
 
 
 
 
1012	if (r) {
1013		DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r);
1014		amdgpu_device_wb_free(adev, index);
1015		return r;
1016	}
1017
1018	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1019			  SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1020	amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1021	amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1022	amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1023	amdgpu_ring_write(ring, 0xDEADBEEF);
1024	amdgpu_ring_commit(ring);
1025
1026	for (i = 0; i < adev->usec_timeout; i++) {
1027		if (ring->is_mes_queue)
1028			tmp = le32_to_cpu(*cpu_ptr);
1029		else
1030			tmp = le32_to_cpu(adev->wb.wb[index]);
1031		if (tmp == 0xDEADBEEF)
1032			break;
1033		if (amdgpu_emu_mode == 1)
1034			msleep(1);
1035		else
1036			udelay(1);
1037	}
1038
1039	if (i >= adev->usec_timeout)
1040		r = -ETIMEDOUT;
1041
1042	if (!ring->is_mes_queue)
1043		amdgpu_device_wb_free(adev, index);
 
 
 
 
 
 
1044
1045	return r;
1046}
1047
1048/**
1049 * sdma_v5_0_ring_test_ib - test an IB on the DMA engine
1050 *
1051 * @ring: amdgpu_ring structure holding ring information
1052 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1053 *
1054 * Test a simple IB in the DMA ring (NAVI10).
1055 * Returns 0 on success, error on failure.
1056 */
1057static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1058{
1059	struct amdgpu_device *adev = ring->adev;
1060	struct amdgpu_ib ib;
1061	struct dma_fence *f = NULL;
1062	unsigned index;
1063	long r;
1064	u32 tmp = 0;
1065	u64 gpu_addr;
1066	volatile uint32_t *cpu_ptr = NULL;
1067
 
 
 
 
 
 
 
1068	tmp = 0xCAFEDEAD;
 
1069	memset(&ib, 0, sizeof(ib));
1070
1071	if (ring->is_mes_queue) {
1072		uint32_t offset = 0;
1073		offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS);
1074		ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1075		ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1076
1077		offset = amdgpu_mes_ctx_get_offs(ring,
1078					 AMDGPU_MES_CTX_PADDING_OFFS);
1079		gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1080		cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1081		*cpu_ptr = tmp;
1082	} else {
1083		r = amdgpu_device_wb_get(adev, &index);
1084		if (r) {
1085			dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r);
1086			return r;
1087		}
1088
1089		gpu_addr = adev->wb.gpu_addr + (index * 4);
1090		adev->wb.wb[index] = cpu_to_le32(tmp);
1091
1092		r = amdgpu_ib_get(adev, NULL, 256,
1093					AMDGPU_IB_POOL_DIRECT, &ib);
1094		if (r) {
1095			DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
1096			goto err0;
1097		}
1098	}
1099
1100	ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1101		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1102	ib.ptr[1] = lower_32_bits(gpu_addr);
1103	ib.ptr[2] = upper_32_bits(gpu_addr);
1104	ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1105	ib.ptr[4] = 0xDEADBEEF;
1106	ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1107	ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1108	ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1109	ib.length_dw = 8;
1110
1111	r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1112	if (r)
1113		goto err1;
1114
1115	r = dma_fence_wait_timeout(f, false, timeout);
1116	if (r == 0) {
1117		DRM_ERROR("amdgpu: IB test timed out\n");
1118		r = -ETIMEDOUT;
1119		goto err1;
1120	} else if (r < 0) {
1121		DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
1122		goto err1;
1123	}
1124
1125	if (ring->is_mes_queue)
1126		tmp = le32_to_cpu(*cpu_ptr);
1127	else
1128		tmp = le32_to_cpu(adev->wb.wb[index]);
1129
1130	if (tmp == 0xDEADBEEF)
1131		r = 0;
1132	else
 
1133		r = -EINVAL;
 
1134
1135err1:
1136	amdgpu_ib_free(adev, &ib, NULL);
1137	dma_fence_put(f);
1138err0:
1139	if (!ring->is_mes_queue)
1140		amdgpu_device_wb_free(adev, index);
1141	return r;
1142}
1143
1144
1145/**
1146 * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART
1147 *
1148 * @ib: indirect buffer to fill with commands
1149 * @pe: addr of the page entry
1150 * @src: src addr to copy from
1151 * @count: number of page entries to update
1152 *
1153 * Update PTEs by copying them from the GART using sDMA (NAVI10).
1154 */
1155static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib,
1156				  uint64_t pe, uint64_t src,
1157				  unsigned count)
1158{
1159	unsigned bytes = count * 8;
1160
1161	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1162		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1163	ib->ptr[ib->length_dw++] = bytes - 1;
1164	ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1165	ib->ptr[ib->length_dw++] = lower_32_bits(src);
1166	ib->ptr[ib->length_dw++] = upper_32_bits(src);
1167	ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1168	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1169
1170}
1171
1172/**
1173 * sdma_v5_0_vm_write_pte - update PTEs by writing them manually
1174 *
1175 * @ib: indirect buffer to fill with commands
1176 * @pe: addr of the page entry
1177 * @value: dst addr to write into pe
1178 * @count: number of page entries to update
1179 * @incr: increase next addr by incr bytes
 
1180 *
1181 * Update PTEs by writing them manually using sDMA (NAVI10).
1182 */
1183static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1184				   uint64_t value, unsigned count,
1185				   uint32_t incr)
1186{
1187	unsigned ndw = count * 2;
1188
1189	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1190		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1191	ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1192	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1193	ib->ptr[ib->length_dw++] = ndw - 1;
1194	for (; ndw > 0; ndw -= 2) {
1195		ib->ptr[ib->length_dw++] = lower_32_bits(value);
1196		ib->ptr[ib->length_dw++] = upper_32_bits(value);
1197		value += incr;
1198	}
1199}
1200
1201/**
1202 * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA
1203 *
1204 * @ib: indirect buffer to fill with commands
1205 * @pe: addr of the page entry
1206 * @addr: dst addr to write into pe
1207 * @count: number of page entries to update
1208 * @incr: increase next addr by incr bytes
1209 * @flags: access flags
1210 *
1211 * Update the page tables using sDMA (NAVI10).
1212 */
1213static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1214				     uint64_t pe,
1215				     uint64_t addr, unsigned count,
1216				     uint32_t incr, uint64_t flags)
1217{
1218	/* for physically contiguous pages (vram) */
1219	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1220	ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1221	ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1222	ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1223	ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1224	ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1225	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1226	ib->ptr[ib->length_dw++] = incr; /* increment size */
1227	ib->ptr[ib->length_dw++] = 0;
1228	ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1229}
1230
1231/**
1232 * sdma_v5_0_ring_pad_ib - pad the IB
1233 * @ring: amdgpu_ring structure holding ring information
1234 * @ib: indirect buffer to fill with padding
1235 *
1236 * Pad the IB with NOPs to a boundary multiple of 8.
1237 */
1238static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1239{
1240	struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1241	u32 pad_count;
1242	int i;
1243
1244	pad_count = (-ib->length_dw) & 0x7;
1245	for (i = 0; i < pad_count; i++)
1246		if (sdma && sdma->burst_nop && (i == 0))
1247			ib->ptr[ib->length_dw++] =
1248				SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1249				SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1250		else
1251			ib->ptr[ib->length_dw++] =
1252				SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1253}
1254
1255
1256/**
1257 * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline
1258 *
1259 * @ring: amdgpu_ring pointer
1260 *
1261 * Make sure all previous operations are completed (CIK).
1262 */
1263static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1264{
1265	uint32_t seq = ring->fence_drv.sync_seq;
1266	uint64_t addr = ring->fence_drv.gpu_addr;
1267
1268	/* wait for idle */
1269	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1270			  SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1271			  SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */
1272			  SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1));
1273	amdgpu_ring_write(ring, addr & 0xfffffffc);
1274	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
1275	amdgpu_ring_write(ring, seq); /* reference */
1276	amdgpu_ring_write(ring, 0xffffffff); /* mask */
1277	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1278			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
1279}
1280
1281
1282/**
1283 * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA
1284 *
1285 * @ring: amdgpu_ring pointer
1286 * @vmid: vmid number to use
1287 * @pd_addr: address
1288 *
1289 * Update the page table base and flush the VM TLB
1290 * using sDMA (NAVI10).
1291 */
1292static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1293					 unsigned vmid, uint64_t pd_addr)
1294{
1295	amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1296}
1297
1298static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring,
1299				     uint32_t reg, uint32_t val)
1300{
1301	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1302			  SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1303	amdgpu_ring_write(ring, reg);
1304	amdgpu_ring_write(ring, val);
1305}
1306
1307static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1308					 uint32_t val, uint32_t mask)
1309{
1310	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1311			  SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1312			  SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */
1313	amdgpu_ring_write(ring, reg << 2);
1314	amdgpu_ring_write(ring, 0);
1315	amdgpu_ring_write(ring, val); /* reference */
1316	amdgpu_ring_write(ring, mask); /* mask */
1317	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1318			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10));
1319}
1320
1321static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
1322						   uint32_t reg0, uint32_t reg1,
1323						   uint32_t ref, uint32_t mask)
1324{
1325	amdgpu_ring_emit_wreg(ring, reg0, ref);
1326	/* wait for a cycle to reset vm_inv_eng*_ack */
1327	amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0);
1328	amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);
1329}
1330
1331static int sdma_v5_0_early_init(void *handle)
1332{
1333	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1334	int r;
1335
1336	r = sdma_v5_0_init_microcode(adev);
1337	if (r)
1338		return r;
1339
1340	sdma_v5_0_set_ring_funcs(adev);
1341	sdma_v5_0_set_buffer_funcs(adev);
1342	sdma_v5_0_set_vm_pte_funcs(adev);
1343	sdma_v5_0_set_irq_funcs(adev);
1344	sdma_v5_0_set_mqd_funcs(adev);
1345
1346	return 0;
1347}
1348
1349
1350static int sdma_v5_0_sw_init(void *handle)
1351{
1352	struct amdgpu_ring *ring;
1353	int r, i;
1354	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1355
1356	/* SDMA trap event */
1357	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0,
1358			      SDMA0_5_0__SRCID__SDMA_TRAP,
1359			      &adev->sdma.trap_irq);
1360	if (r)
1361		return r;
1362
1363	/* SDMA trap event */
1364	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1,
1365			      SDMA1_5_0__SRCID__SDMA_TRAP,
1366			      &adev->sdma.trap_irq);
1367	if (r)
1368		return r;
1369
 
 
 
 
 
 
1370	for (i = 0; i < adev->sdma.num_instances; i++) {
1371		ring = &adev->sdma.instance[i].ring;
1372		ring->ring_obj = NULL;
1373		ring->use_doorbell = true;
1374
1375		DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
1376				ring->use_doorbell?"true":"false");
1377
1378		ring->doorbell_index = (i == 0) ?
1379			(adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset
1380			: (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset
1381
1382		ring->vm_hub = AMDGPU_GFXHUB(0);
1383		sprintf(ring->name, "sdma%d", i);
1384		r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1385				     (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 :
1386				     AMDGPU_SDMA_IRQ_INSTANCE1,
1387				     AMDGPU_RING_PRIO_DEFAULT, NULL);
 
1388		if (r)
1389			return r;
1390	}
1391
1392	return r;
1393}
1394
1395static int sdma_v5_0_sw_fini(void *handle)
1396{
1397	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1398	int i;
1399
1400	for (i = 0; i < adev->sdma.num_instances; i++)
1401		amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1402
1403	amdgpu_sdma_destroy_inst_ctx(adev, false);
1404
1405	return 0;
1406}
1407
1408static int sdma_v5_0_hw_init(void *handle)
1409{
1410	int r;
1411	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1412
1413	sdma_v5_0_init_golden_registers(adev);
1414
1415	r = sdma_v5_0_start(adev);
1416
1417	return r;
1418}
1419
1420static int sdma_v5_0_hw_fini(void *handle)
1421{
1422	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1423
1424	if (amdgpu_sriov_vf(adev))
1425		return 0;
1426
1427	sdma_v5_0_ctx_switch_enable(adev, false);
1428	sdma_v5_0_enable(adev, false);
1429
1430	return 0;
1431}
1432
1433static int sdma_v5_0_suspend(void *handle)
1434{
1435	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1436
1437	return sdma_v5_0_hw_fini(adev);
1438}
1439
1440static int sdma_v5_0_resume(void *handle)
1441{
1442	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1443
1444	return sdma_v5_0_hw_init(adev);
1445}
1446
1447static bool sdma_v5_0_is_idle(void *handle)
1448{
1449	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1450	u32 i;
1451
1452	for (i = 0; i < adev->sdma.num_instances; i++) {
1453		u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG));
1454
1455		if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1456			return false;
1457	}
1458
1459	return true;
1460}
1461
1462static int sdma_v5_0_wait_for_idle(void *handle)
1463{
1464	unsigned i;
1465	u32 sdma0, sdma1;
1466	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1467
1468	for (i = 0; i < adev->usec_timeout; i++) {
1469		sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG));
1470		sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG));
1471
1472		if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
1473			return 0;
1474		udelay(1);
1475	}
1476	return -ETIMEDOUT;
1477}
1478
1479static int sdma_v5_0_soft_reset(void *handle)
1480{
1481	/* todo */
1482
1483	return 0;
1484}
1485
1486static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring)
1487{
1488	int i, r = 0;
1489	struct amdgpu_device *adev = ring->adev;
1490	u32 index = 0;
1491	u64 sdma_gfx_preempt;
1492
1493	amdgpu_sdma_get_index_from_ring(ring, &index);
1494	if (index == 0)
1495		sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT;
1496	else
1497		sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT;
1498
1499	/* assert preemption condition */
1500	amdgpu_ring_set_preempt_cond_exec(ring, false);
1501
1502	/* emit the trailing fence */
1503	ring->trail_seq += 1;
1504	amdgpu_ring_alloc(ring, 10);
1505	sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
1506				  ring->trail_seq, 0);
1507	amdgpu_ring_commit(ring);
1508
1509	/* assert IB preemption */
1510	WREG32(sdma_gfx_preempt, 1);
1511
1512	/* poll the trailing fence */
1513	for (i = 0; i < adev->usec_timeout; i++) {
1514		if (ring->trail_seq ==
1515		    le32_to_cpu(*(ring->trail_fence_cpu_addr)))
1516			break;
1517		udelay(1);
1518	}
1519
1520	if (i >= adev->usec_timeout) {
1521		r = -EINVAL;
1522		DRM_ERROR("ring %d failed to be preempted\n", ring->idx);
1523	}
1524
1525	/* deassert IB preemption */
1526	WREG32(sdma_gfx_preempt, 0);
1527
1528	/* deassert the preemption condition */
1529	amdgpu_ring_set_preempt_cond_exec(ring, true);
1530	return r;
1531}
1532
1533static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev,
1534					struct amdgpu_irq_src *source,
1535					unsigned type,
1536					enum amdgpu_interrupt_state state)
1537{
1538	u32 sdma_cntl;
1539
1540	if (!amdgpu_sriov_vf(adev)) {
1541		u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
1542			sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
1543			sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL);
1544
1545		sdma_cntl = RREG32(reg_offset);
1546		sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
1547					  state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1548		WREG32(reg_offset, sdma_cntl);
1549	}
1550
1551	return 0;
1552}
1553
1554static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev,
1555				      struct amdgpu_irq_src *source,
1556				      struct amdgpu_iv_entry *entry)
1557{
1558	uint32_t mes_queue_id = entry->src_data[0];
1559
1560	DRM_DEBUG("IH: SDMA trap\n");
1561
1562	if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) {
1563		struct amdgpu_mes_queue *queue;
1564
1565		mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK;
1566
1567		spin_lock(&adev->mes.queue_id_lock);
1568		queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id);
1569		if (queue) {
1570			DRM_DEBUG("process smda queue id = %d\n", mes_queue_id);
1571			amdgpu_fence_process(queue->ring);
1572		}
1573		spin_unlock(&adev->mes.queue_id_lock);
1574		return 0;
1575	}
1576
1577	switch (entry->client_id) {
1578	case SOC15_IH_CLIENTID_SDMA0:
1579		switch (entry->ring_id) {
1580		case 0:
1581			amdgpu_fence_process(&adev->sdma.instance[0].ring);
1582			break;
1583		case 1:
1584			/* XXX compute */
1585			break;
1586		case 2:
1587			/* XXX compute */
1588			break;
1589		case 3:
1590			/* XXX page queue*/
1591			break;
1592		}
1593		break;
1594	case SOC15_IH_CLIENTID_SDMA1:
1595		switch (entry->ring_id) {
1596		case 0:
1597			amdgpu_fence_process(&adev->sdma.instance[1].ring);
1598			break;
1599		case 1:
1600			/* XXX compute */
1601			break;
1602		case 2:
1603			/* XXX compute */
1604			break;
1605		case 3:
1606			/* XXX page queue*/
1607			break;
1608		}
1609		break;
1610	}
1611	return 0;
1612}
1613
1614static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev,
1615					      struct amdgpu_irq_src *source,
1616					      struct amdgpu_iv_entry *entry)
1617{
1618	return 0;
1619}
1620
1621static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
1622						       bool enable)
1623{
1624	uint32_t data, def;
1625	int i;
1626
1627	for (i = 0; i < adev->sdma.num_instances; i++) {
1628		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
1629			/* Enable sdma clock gating */
1630			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1631			data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1632				  SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1633				  SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1634				  SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1635				  SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1636				  SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1637				  SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1638				  SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1639			if (def != data)
1640				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1641		} else {
1642			/* Disable sdma clock gating */
1643			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1644			data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1645				 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1646				 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1647				 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1648				 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1649				 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1650				 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1651				 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1652			if (def != data)
1653				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1654		}
1655	}
1656}
1657
1658static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
1659						      bool enable)
1660{
1661	uint32_t data, def;
1662	int i;
1663
1664	for (i = 0; i < adev->sdma.num_instances; i++) {
1665		if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
1666			/* Enable sdma mem light sleep */
1667			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1668			data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1669			if (def != data)
1670				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1671
1672		} else {
1673			/* Disable sdma mem light sleep */
1674			def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1675			data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1676			if (def != data)
1677				WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1678
1679		}
1680	}
1681}
1682
1683static int sdma_v5_0_set_clockgating_state(void *handle,
1684					   enum amd_clockgating_state state)
1685{
1686	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1687
1688	if (amdgpu_sriov_vf(adev))
1689		return 0;
1690
1691	switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
1692	case IP_VERSION(5, 0, 0):
1693	case IP_VERSION(5, 0, 2):
1694	case IP_VERSION(5, 0, 5):
1695		sdma_v5_0_update_medium_grain_clock_gating(adev,
1696				state == AMD_CG_STATE_GATE);
1697		sdma_v5_0_update_medium_grain_light_sleep(adev,
1698				state == AMD_CG_STATE_GATE);
1699		break;
1700	default:
1701		break;
1702	}
1703
1704	return 0;
1705}
1706
1707static int sdma_v5_0_set_powergating_state(void *handle,
1708					  enum amd_powergating_state state)
1709{
1710	return 0;
1711}
1712
1713static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags)
1714{
1715	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1716	int data;
1717
1718	if (amdgpu_sriov_vf(adev))
1719		*flags = 0;
1720
1721	/* AMD_CG_SUPPORT_SDMA_MGCG */
1722	data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL));
1723	if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
1724		*flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1725
1726	/* AMD_CG_SUPPORT_SDMA_LS */
1727	data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL));
1728	if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1729		*flags |= AMD_CG_SUPPORT_SDMA_LS;
1730}
1731
1732const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
1733	.name = "sdma_v5_0",
1734	.early_init = sdma_v5_0_early_init,
1735	.late_init = NULL,
1736	.sw_init = sdma_v5_0_sw_init,
1737	.sw_fini = sdma_v5_0_sw_fini,
1738	.hw_init = sdma_v5_0_hw_init,
1739	.hw_fini = sdma_v5_0_hw_fini,
1740	.suspend = sdma_v5_0_suspend,
1741	.resume = sdma_v5_0_resume,
1742	.is_idle = sdma_v5_0_is_idle,
1743	.wait_for_idle = sdma_v5_0_wait_for_idle,
1744	.soft_reset = sdma_v5_0_soft_reset,
1745	.set_clockgating_state = sdma_v5_0_set_clockgating_state,
1746	.set_powergating_state = sdma_v5_0_set_powergating_state,
1747	.get_clockgating_state = sdma_v5_0_get_clockgating_state,
1748};
1749
1750static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
1751	.type = AMDGPU_RING_TYPE_SDMA,
1752	.align_mask = 0xf,
1753	.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1754	.support_64bit_ptrs = true,
1755	.secure_submission_supported = true,
1756	.get_rptr = sdma_v5_0_ring_get_rptr,
1757	.get_wptr = sdma_v5_0_ring_get_wptr,
1758	.set_wptr = sdma_v5_0_ring_set_wptr,
1759	.emit_frame_size =
1760		5 + /* sdma_v5_0_ring_init_cond_exec */
1761		6 + /* sdma_v5_0_ring_emit_hdp_flush */
1762		3 + /* hdp_invalidate */
1763		6 + /* sdma_v5_0_ring_emit_pipeline_sync */
1764		/* sdma_v5_0_ring_emit_vm_flush */
1765		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1766		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 +
1767		10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
1768	.emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */
1769	.emit_ib = sdma_v5_0_ring_emit_ib,
1770	.emit_mem_sync = sdma_v5_0_ring_emit_mem_sync,
1771	.emit_fence = sdma_v5_0_ring_emit_fence,
1772	.emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
1773	.emit_vm_flush = sdma_v5_0_ring_emit_vm_flush,
1774	.emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush,
1775	.test_ring = sdma_v5_0_ring_test_ring,
1776	.test_ib = sdma_v5_0_ring_test_ib,
1777	.insert_nop = sdma_v5_0_ring_insert_nop,
1778	.pad_ib = sdma_v5_0_ring_pad_ib,
1779	.emit_wreg = sdma_v5_0_ring_emit_wreg,
1780	.emit_reg_wait = sdma_v5_0_ring_emit_reg_wait,
1781	.emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait,
1782	.init_cond_exec = sdma_v5_0_ring_init_cond_exec,
1783	.patch_cond_exec = sdma_v5_0_ring_patch_cond_exec,
1784	.preempt_ib = sdma_v5_0_ring_preempt_ib,
1785};
1786
1787static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev)
1788{
1789	int i;
1790
1791	for (i = 0; i < adev->sdma.num_instances; i++) {
1792		adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs;
1793		adev->sdma.instance[i].ring.me = i;
1794	}
1795}
1796
1797static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = {
1798	.set = sdma_v5_0_set_trap_irq_state,
1799	.process = sdma_v5_0_process_trap_irq,
1800};
1801
1802static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = {
1803	.process = sdma_v5_0_process_illegal_inst_irq,
1804};
1805
1806static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev)
1807{
1808	adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 +
1809					adev->sdma.num_instances;
1810	adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs;
1811	adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs;
1812}
1813
1814/**
1815 * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine
1816 *
1817 * @ib: indirect buffer to copy to
1818 * @src_offset: src GPU address
1819 * @dst_offset: dst GPU address
1820 * @byte_count: number of bytes to xfer
1821 * @tmz: if a secure copy should be used
1822 *
1823 * Copy GPU buffers using the DMA engine (NAVI10).
1824 * Used by the amdgpu ttm implementation to move pages if
1825 * registered as the asic copy callback.
1826 */
1827static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib,
1828				       uint64_t src_offset,
1829				       uint64_t dst_offset,
1830				       uint32_t byte_count,
1831				       bool tmz)
1832{
1833	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1834		SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
1835		SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0);
1836	ib->ptr[ib->length_dw++] = byte_count - 1;
1837	ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1838	ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
1839	ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
1840	ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1841	ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1842}
1843
1844/**
1845 * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine
1846 *
1847 * @ib: indirect buffer to fill
1848 * @src_data: value to write to buffer
1849 * @dst_offset: dst GPU address
1850 * @byte_count: number of bytes to xfer
1851 *
1852 * Fill GPU buffers using the DMA engine (NAVI10).
1853 */
1854static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib,
1855				       uint32_t src_data,
1856				       uint64_t dst_offset,
1857				       uint32_t byte_count)
1858{
1859	ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
1860	ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1861	ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1862	ib->ptr[ib->length_dw++] = src_data;
1863	ib->ptr[ib->length_dw++] = byte_count - 1;
1864}
1865
1866static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = {
1867	.copy_max_bytes = 0x400000,
1868	.copy_num_dw = 7,
1869	.emit_copy_buffer = sdma_v5_0_emit_copy_buffer,
1870
1871	.fill_max_bytes = 0x400000,
1872	.fill_num_dw = 5,
1873	.emit_fill_buffer = sdma_v5_0_emit_fill_buffer,
1874};
1875
1876static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev)
1877{
1878	if (adev->mman.buffer_funcs == NULL) {
1879		adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs;
1880		adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
1881	}
1882}
1883
1884static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = {
1885	.copy_pte_num_dw = 7,
1886	.copy_pte = sdma_v5_0_vm_copy_pte,
1887	.write_pte = sdma_v5_0_vm_write_pte,
1888	.set_pte_pde = sdma_v5_0_vm_set_pte_pde,
1889};
1890
1891static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev)
1892{
 
1893	unsigned i;
1894
1895	if (adev->vm_manager.vm_pte_funcs == NULL) {
1896		adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs;
1897		for (i = 0; i < adev->sdma.num_instances; i++) {
1898			adev->vm_manager.vm_pte_scheds[i] =
1899				&adev->sdma.instance[i].ring.sched;
 
1900		}
1901		adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
1902	}
1903}
1904
1905const struct amdgpu_ip_block_version sdma_v5_0_ip_block = {
1906	.type = AMD_IP_BLOCK_TYPE_SDMA,
1907	.major = 5,
1908	.minor = 0,
1909	.rev = 0,
1910	.funcs = &sdma_v5_0_ip_funcs,
1911};