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 45 MODULE_FIRMWARE("amdgpu/navi10_sdma.bin"); 46 MODULE_FIRMWARE("amdgpu/navi10_sdma1.bin"); 47 48 MODULE_FIRMWARE("amdgpu/navi14_sdma.bin"); 49 MODULE_FIRMWARE("amdgpu/navi14_sdma1.bin"); 50 51 MODULE_FIRMWARE("amdgpu/navi12_sdma.bin"); 52 MODULE_FIRMWARE("amdgpu/navi12_sdma1.bin"); 53 54 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma.bin"); 55 MODULE_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 62 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev); 63 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev); 64 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev); 65 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev); 66 67 static 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 94 static 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 }; 116 117 static 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 }; 121 122 static 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 }; 126 127 static 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 }; 135 136 static 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 }; 166 167 static 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 } 184 185 static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev) 186 { 187 switch (adev->ip_versions[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 239 static int sdma_v5_0_init_microcode(struct amdgpu_device *adev) 240 { int ret, i; 241 242 if (amdgpu_sriov_vf(adev) && (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(5, 0, 5))) 243 return 0; 244 245 for (i = 0; i < adev->sdma.num_instances; i++) { 246 ret = amdgpu_sdma_init_microcode(adev, i, false); 247 if (ret) 248 return ret; 249 } 250 251 return ret; 252 } 253 254 static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring) 255 { 256 unsigned ret; 257 258 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE)); 259 amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr)); 260 amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr)); 261 amdgpu_ring_write(ring, 1); 262 ret = ring->wptr & ring->buf_mask;/* this is the offset we need patch later */ 263 amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */ 264 265 return ret; 266 } 267 268 static void sdma_v5_0_ring_patch_cond_exec(struct amdgpu_ring *ring, 269 unsigned offset) 270 { 271 unsigned cur; 272 273 BUG_ON(offset > ring->buf_mask); 274 BUG_ON(ring->ring[offset] != 0x55aa55aa); 275 276 cur = (ring->wptr - 1) & ring->buf_mask; 277 if (cur > offset) 278 ring->ring[offset] = cur - offset; 279 else 280 ring->ring[offset] = (ring->buf_mask + 1) - offset + cur; 281 } 282 283 /** 284 * sdma_v5_0_ring_get_rptr - get the current read pointer 285 * 286 * @ring: amdgpu ring pointer 287 * 288 * Get the current rptr from the hardware (NAVI10+). 289 */ 290 static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 291 { 292 u64 *rptr; 293 294 /* XXX check if swapping is necessary on BE */ 295 rptr = (u64 *)ring->rptr_cpu_addr; 296 297 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 298 return ((*rptr) >> 2); 299 } 300 301 /** 302 * sdma_v5_0_ring_get_wptr - get the current write pointer 303 * 304 * @ring: amdgpu ring pointer 305 * 306 * Get the current wptr from the hardware (NAVI10+). 307 */ 308 static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 309 { 310 struct amdgpu_device *adev = ring->adev; 311 u64 wptr; 312 313 if (ring->use_doorbell) { 314 /* XXX check if swapping is necessary on BE */ 315 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr)); 316 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 317 } else { 318 wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI)); 319 wptr = wptr << 32; 320 wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR)); 321 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr); 322 } 323 324 return wptr >> 2; 325 } 326 327 /** 328 * sdma_v5_0_ring_set_wptr - commit the write pointer 329 * 330 * @ring: amdgpu ring pointer 331 * 332 * Write the wptr back to the hardware (NAVI10+). 333 */ 334 static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 335 { 336 struct amdgpu_device *adev = ring->adev; 337 uint32_t *wptr_saved; 338 uint32_t *is_queue_unmap; 339 uint64_t aggregated_db_index; 340 uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size; 341 342 DRM_DEBUG("Setting write pointer\n"); 343 if (ring->is_mes_queue) { 344 wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size); 345 is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size + 346 sizeof(uint32_t)); 347 aggregated_db_index = 348 amdgpu_mes_get_aggregated_doorbell_index(adev, 349 AMDGPU_MES_PRIORITY_LEVEL_NORMAL); 350 351 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 352 ring->wptr << 2); 353 *wptr_saved = ring->wptr << 2; 354 if (*is_queue_unmap) { 355 WDOORBELL64(aggregated_db_index, ring->wptr << 2); 356 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 357 ring->doorbell_index, ring->wptr << 2); 358 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 359 } else { 360 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 361 ring->doorbell_index, ring->wptr << 2); 362 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 363 364 if (*is_queue_unmap) 365 WDOORBELL64(aggregated_db_index, 366 ring->wptr << 2); 367 } 368 } else { 369 if (ring->use_doorbell) { 370 DRM_DEBUG("Using doorbell -- " 371 "wptr_offs == 0x%08x " 372 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 373 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 374 ring->wptr_offs, 375 lower_32_bits(ring->wptr << 2), 376 upper_32_bits(ring->wptr << 2)); 377 /* XXX check if swapping is necessary on BE */ 378 atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 379 ring->wptr << 2); 380 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 381 ring->doorbell_index, ring->wptr << 2); 382 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 383 } else { 384 DRM_DEBUG("Not using doorbell -- " 385 "mmSDMA%i_GFX_RB_WPTR == 0x%08x " 386 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 387 ring->me, 388 lower_32_bits(ring->wptr << 2), 389 ring->me, 390 upper_32_bits(ring->wptr << 2)); 391 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, 392 ring->me, mmSDMA0_GFX_RB_WPTR), 393 lower_32_bits(ring->wptr << 2)); 394 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, 395 ring->me, mmSDMA0_GFX_RB_WPTR_HI), 396 upper_32_bits(ring->wptr << 2)); 397 } 398 } 399 } 400 401 static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 402 { 403 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 404 int i; 405 406 for (i = 0; i < count; i++) 407 if (sdma && sdma->burst_nop && (i == 0)) 408 amdgpu_ring_write(ring, ring->funcs->nop | 409 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 410 else 411 amdgpu_ring_write(ring, ring->funcs->nop); 412 } 413 414 /** 415 * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine 416 * 417 * @ring: amdgpu ring pointer 418 * @job: job to retrieve vmid from 419 * @ib: IB object to schedule 420 * @flags: unused 421 * 422 * Schedule an IB in the DMA ring (NAVI10). 423 */ 424 static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 425 struct amdgpu_job *job, 426 struct amdgpu_ib *ib, 427 uint32_t flags) 428 { 429 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 430 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid); 431 432 /* An IB packet must end on a 8 DW boundary--the next dword 433 * must be on a 8-dword boundary. Our IB packet below is 6 434 * dwords long, thus add x number of NOPs, such that, in 435 * modular arithmetic, 436 * wptr + 6 + x = 8k, k >= 0, which in C is, 437 * (wptr + 6 + x) % 8 = 0. 438 * The expression below, is a solution of x. 439 */ 440 sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); 441 442 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | 443 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 444 /* base must be 32 byte aligned */ 445 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 446 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 447 amdgpu_ring_write(ring, ib->length_dw); 448 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr)); 449 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr)); 450 } 451 452 /** 453 * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse 454 * 455 * @ring: amdgpu ring pointer 456 * 457 * flush the IB by graphics cache rinse. 458 */ 459 static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring) 460 { 461 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV | 462 SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV | 463 SDMA_GCR_GLI_INV(1); 464 465 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */ 466 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ)); 467 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0)); 468 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) | 469 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0)); 470 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) | 471 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16)); 472 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) | 473 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0)); 474 } 475 476 /** 477 * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 478 * 479 * @ring: amdgpu ring pointer 480 * 481 * Emit an hdp flush packet on the requested DMA ring. 482 */ 483 static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 484 { 485 struct amdgpu_device *adev = ring->adev; 486 u32 ref_and_mask = 0; 487 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg; 488 489 if (ring->me == 0) 490 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0; 491 else 492 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1; 493 494 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 495 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | 496 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 497 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2); 498 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2); 499 amdgpu_ring_write(ring, ref_and_mask); /* reference */ 500 amdgpu_ring_write(ring, ref_and_mask); /* mask */ 501 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 502 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ 503 } 504 505 /** 506 * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring 507 * 508 * @ring: amdgpu ring pointer 509 * @addr: address 510 * @seq: sequence number 511 * @flags: fence related flags 512 * 513 * Add a DMA fence packet to the ring to write 514 * the fence seq number and DMA trap packet to generate 515 * an interrupt if needed (NAVI10). 516 */ 517 static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 518 unsigned flags) 519 { 520 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 521 /* write the fence */ 522 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 523 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */ 524 /* zero in first two bits */ 525 BUG_ON(addr & 0x3); 526 amdgpu_ring_write(ring, lower_32_bits(addr)); 527 amdgpu_ring_write(ring, upper_32_bits(addr)); 528 amdgpu_ring_write(ring, lower_32_bits(seq)); 529 530 /* optionally write high bits as well */ 531 if (write64bit) { 532 addr += 4; 533 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) | 534 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); 535 /* zero in first two bits */ 536 BUG_ON(addr & 0x3); 537 amdgpu_ring_write(ring, lower_32_bits(addr)); 538 amdgpu_ring_write(ring, upper_32_bits(addr)); 539 amdgpu_ring_write(ring, upper_32_bits(seq)); 540 } 541 542 if (flags & AMDGPU_FENCE_FLAG_INT) { 543 uint32_t ctx = ring->is_mes_queue ? 544 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0; 545 /* generate an interrupt */ 546 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); 547 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx)); 548 } 549 } 550 551 552 /** 553 * sdma_v5_0_gfx_stop - stop the gfx async dma engines 554 * 555 * @adev: amdgpu_device pointer 556 * 557 * Stop the gfx async dma ring buffers (NAVI10). 558 */ 559 static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev) 560 { 561 u32 rb_cntl, ib_cntl; 562 int i; 563 564 amdgpu_sdma_unset_buffer_funcs_helper(adev); 565 566 for (i = 0; i < adev->sdma.num_instances; i++) { 567 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 568 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); 569 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 570 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 571 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); 572 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 573 } 574 } 575 576 /** 577 * sdma_v5_0_rlc_stop - stop the compute async dma engines 578 * 579 * @adev: amdgpu_device pointer 580 * 581 * Stop the compute async dma queues (NAVI10). 582 */ 583 static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev) 584 { 585 /* XXX todo */ 586 } 587 588 /** 589 * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch 590 * 591 * @adev: amdgpu_device pointer 592 * @enable: enable/disable the DMA MEs context switch. 593 * 594 * Halt or unhalt the async dma engines context switch (NAVI10). 595 */ 596 static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 597 { 598 u32 f32_cntl = 0, phase_quantum = 0; 599 int i; 600 601 if (amdgpu_sdma_phase_quantum) { 602 unsigned value = amdgpu_sdma_phase_quantum; 603 unsigned unit = 0; 604 605 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 606 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) { 607 value = (value + 1) >> 1; 608 unit++; 609 } 610 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 611 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) { 612 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 613 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT); 614 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 615 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT); 616 WARN_ONCE(1, 617 "clamping sdma_phase_quantum to %uK clock cycles\n", 618 value << unit); 619 } 620 phase_quantum = 621 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT | 622 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT; 623 } 624 625 for (i = 0; i < adev->sdma.num_instances; i++) { 626 if (!amdgpu_sriov_vf(adev)) { 627 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 628 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, 629 AUTO_CTXSW_ENABLE, enable ? 1 : 0); 630 } 631 632 if (enable && amdgpu_sdma_phase_quantum) { 633 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM), 634 phase_quantum); 635 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM), 636 phase_quantum); 637 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM), 638 phase_quantum); 639 } 640 if (!amdgpu_sriov_vf(adev)) 641 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl); 642 } 643 644 } 645 646 /** 647 * sdma_v5_0_enable - stop the async dma engines 648 * 649 * @adev: amdgpu_device pointer 650 * @enable: enable/disable the DMA MEs. 651 * 652 * Halt or unhalt the async dma engines (NAVI10). 653 */ 654 static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable) 655 { 656 u32 f32_cntl; 657 int i; 658 659 if (!enable) { 660 sdma_v5_0_gfx_stop(adev); 661 sdma_v5_0_rlc_stop(adev); 662 } 663 664 if (amdgpu_sriov_vf(adev)) 665 return; 666 667 for (i = 0; i < adev->sdma.num_instances; i++) { 668 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 669 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1); 670 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl); 671 } 672 } 673 674 /** 675 * sdma_v5_0_gfx_resume - setup and start the async dma engines 676 * 677 * @adev: amdgpu_device pointer 678 * 679 * Set up the gfx DMA ring buffers and enable them (NAVI10). 680 * Returns 0 for success, error for failure. 681 */ 682 static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev) 683 { 684 struct amdgpu_ring *ring; 685 u32 rb_cntl, ib_cntl; 686 u32 rb_bufsz; 687 u32 doorbell; 688 u32 doorbell_offset; 689 u32 temp; 690 u32 wptr_poll_cntl; 691 u64 wptr_gpu_addr; 692 int i, r; 693 694 for (i = 0; i < adev->sdma.num_instances; i++) { 695 ring = &adev->sdma.instance[i].ring; 696 697 if (!amdgpu_sriov_vf(adev)) 698 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); 699 700 /* Set ring buffer size in dwords */ 701 rb_bufsz = order_base_2(ring->ring_size / 4); 702 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 703 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); 704 #ifdef __BIG_ENDIAN 705 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); 706 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, 707 RPTR_WRITEBACK_SWAP_ENABLE, 1); 708 #endif 709 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 710 711 /* Initialize the ring buffer's read and write pointers */ 712 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0); 713 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0); 714 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0); 715 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0); 716 717 /* setup the wptr shadow polling */ 718 wptr_gpu_addr = ring->wptr_gpu_addr; 719 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO), 720 lower_32_bits(wptr_gpu_addr)); 721 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI), 722 upper_32_bits(wptr_gpu_addr)); 723 wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, 724 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 725 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, 726 SDMA0_GFX_RB_WPTR_POLL_CNTL, 727 F32_POLL_ENABLE, 1); 728 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL), 729 wptr_poll_cntl); 730 731 /* set the wb address whether it's enabled or not */ 732 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI), 733 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF); 734 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO), 735 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); 736 737 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 738 739 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE), 740 ring->gpu_addr >> 8); 741 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI), 742 ring->gpu_addr >> 40); 743 744 ring->wptr = 0; 745 746 /* before programing wptr to a less value, need set minor_ptr_update first */ 747 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1); 748 749 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */ 750 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 751 lower_32_bits(ring->wptr << 2)); 752 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 753 upper_32_bits(ring->wptr << 2)); 754 } 755 756 doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL)); 757 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, 758 mmSDMA0_GFX_DOORBELL_OFFSET)); 759 760 if (ring->use_doorbell) { 761 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1); 762 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET, 763 OFFSET, ring->doorbell_index); 764 } else { 765 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0); 766 } 767 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell); 768 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET), 769 doorbell_offset); 770 771 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell, 772 ring->doorbell_index, 20); 773 774 if (amdgpu_sriov_vf(adev)) 775 sdma_v5_0_ring_set_wptr(ring); 776 777 /* set minor_ptr_update to 0 after wptr programed */ 778 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0); 779 780 if (!amdgpu_sriov_vf(adev)) { 781 /* set utc l1 enable flag always to 1 */ 782 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 783 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1); 784 785 /* enable MCBP */ 786 temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1); 787 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp); 788 789 /* Set up RESP_MODE to non-copy addresses */ 790 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL)); 791 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3); 792 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9); 793 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp); 794 795 /* program default cache read and write policy */ 796 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE)); 797 /* clean read policy and write policy bits */ 798 temp &= 0xFF0FFF; 799 temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14)); 800 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp); 801 } 802 803 if (!amdgpu_sriov_vf(adev)) { 804 /* unhalt engine */ 805 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 806 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0); 807 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp); 808 } 809 810 /* enable DMA RB */ 811 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); 812 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 813 814 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 815 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); 816 #ifdef __BIG_ENDIAN 817 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); 818 #endif 819 /* enable DMA IBs */ 820 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 821 822 ring->sched.ready = true; 823 824 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */ 825 sdma_v5_0_ctx_switch_enable(adev, true); 826 sdma_v5_0_enable(adev, true); 827 } 828 829 r = amdgpu_ring_test_helper(ring); 830 if (r) 831 return r; 832 833 if (adev->mman.buffer_funcs_ring == ring) 834 amdgpu_ttm_set_buffer_funcs_status(adev, true); 835 } 836 837 return 0; 838 } 839 840 /** 841 * sdma_v5_0_rlc_resume - setup and start the async dma engines 842 * 843 * @adev: amdgpu_device pointer 844 * 845 * Set up the compute DMA queues and enable them (NAVI10). 846 * Returns 0 for success, error for failure. 847 */ 848 static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev) 849 { 850 return 0; 851 } 852 853 /** 854 * sdma_v5_0_load_microcode - load the sDMA ME ucode 855 * 856 * @adev: amdgpu_device pointer 857 * 858 * Loads the sDMA0/1 ucode. 859 * Returns 0 for success, -EINVAL if the ucode is not available. 860 */ 861 static int sdma_v5_0_load_microcode(struct amdgpu_device *adev) 862 { 863 const struct sdma_firmware_header_v1_0 *hdr; 864 const __le32 *fw_data; 865 u32 fw_size; 866 int i, j; 867 868 /* halt the MEs */ 869 sdma_v5_0_enable(adev, false); 870 871 for (i = 0; i < adev->sdma.num_instances; i++) { 872 if (!adev->sdma.instance[i].fw) 873 return -EINVAL; 874 875 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 876 amdgpu_ucode_print_sdma_hdr(&hdr->header); 877 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 878 879 fw_data = (const __le32 *) 880 (adev->sdma.instance[i].fw->data + 881 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 882 883 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0); 884 885 for (j = 0; j < fw_size; j++) { 886 if (amdgpu_emu_mode == 1 && j % 500 == 0) 887 msleep(1); 888 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++)); 889 } 890 891 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version); 892 } 893 894 return 0; 895 } 896 897 /** 898 * sdma_v5_0_start - setup and start the async dma engines 899 * 900 * @adev: amdgpu_device pointer 901 * 902 * Set up the DMA engines and enable them (NAVI10). 903 * Returns 0 for success, error for failure. 904 */ 905 static int sdma_v5_0_start(struct amdgpu_device *adev) 906 { 907 int r = 0; 908 909 if (amdgpu_sriov_vf(adev)) { 910 sdma_v5_0_ctx_switch_enable(adev, false); 911 sdma_v5_0_enable(adev, false); 912 913 /* set RB registers */ 914 r = sdma_v5_0_gfx_resume(adev); 915 return r; 916 } 917 918 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) { 919 r = sdma_v5_0_load_microcode(adev); 920 if (r) 921 return r; 922 } 923 924 /* unhalt the MEs */ 925 sdma_v5_0_enable(adev, true); 926 /* enable sdma ring preemption */ 927 sdma_v5_0_ctx_switch_enable(adev, true); 928 929 /* start the gfx rings and rlc compute queues */ 930 r = sdma_v5_0_gfx_resume(adev); 931 if (r) 932 return r; 933 r = sdma_v5_0_rlc_resume(adev); 934 935 return r; 936 } 937 938 static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd, 939 struct amdgpu_mqd_prop *prop) 940 { 941 struct v10_sdma_mqd *m = mqd; 942 uint64_t wb_gpu_addr; 943 944 m->sdmax_rlcx_rb_cntl = 945 order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | 946 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | 947 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT | 948 1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT; 949 950 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8); 951 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8); 952 953 m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0, 954 mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 955 956 wb_gpu_addr = prop->wptr_gpu_addr; 957 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr); 958 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr); 959 960 wb_gpu_addr = prop->rptr_gpu_addr; 961 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr); 962 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr); 963 964 m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0, 965 mmSDMA0_GFX_IB_CNTL)); 966 967 m->sdmax_rlcx_doorbell_offset = 968 prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; 969 970 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1); 971 972 return 0; 973 } 974 975 static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev) 976 { 977 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd); 978 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init; 979 } 980 981 /** 982 * sdma_v5_0_ring_test_ring - simple async dma engine test 983 * 984 * @ring: amdgpu_ring structure holding ring information 985 * 986 * Test the DMA engine by writing using it to write an 987 * value to memory. (NAVI10). 988 * Returns 0 for success, error for failure. 989 */ 990 static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring) 991 { 992 struct amdgpu_device *adev = ring->adev; 993 unsigned i; 994 unsigned index; 995 int r; 996 u32 tmp; 997 u64 gpu_addr; 998 volatile uint32_t *cpu_ptr = NULL; 999 1000 tmp = 0xCAFEDEAD; 1001 1002 if (ring->is_mes_queue) { 1003 uint32_t offset = 0; 1004 offset = amdgpu_mes_ctx_get_offs(ring, 1005 AMDGPU_MES_CTX_PADDING_OFFS); 1006 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1007 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1008 *cpu_ptr = tmp; 1009 } else { 1010 r = amdgpu_device_wb_get(adev, &index); 1011 if (r) { 1012 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); 1013 return r; 1014 } 1015 1016 gpu_addr = adev->wb.gpu_addr + (index * 4); 1017 adev->wb.wb[index] = cpu_to_le32(tmp); 1018 } 1019 1020 r = amdgpu_ring_alloc(ring, 20); 1021 if (r) { 1022 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); 1023 amdgpu_device_wb_free(adev, index); 1024 return r; 1025 } 1026 1027 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1028 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 1029 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 1030 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 1031 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 1032 amdgpu_ring_write(ring, 0xDEADBEEF); 1033 amdgpu_ring_commit(ring); 1034 1035 for (i = 0; i < adev->usec_timeout; i++) { 1036 if (ring->is_mes_queue) 1037 tmp = le32_to_cpu(*cpu_ptr); 1038 else 1039 tmp = le32_to_cpu(adev->wb.wb[index]); 1040 if (tmp == 0xDEADBEEF) 1041 break; 1042 if (amdgpu_emu_mode == 1) 1043 msleep(1); 1044 else 1045 udelay(1); 1046 } 1047 1048 if (i >= adev->usec_timeout) 1049 r = -ETIMEDOUT; 1050 1051 if (!ring->is_mes_queue) 1052 amdgpu_device_wb_free(adev, index); 1053 1054 return r; 1055 } 1056 1057 /** 1058 * sdma_v5_0_ring_test_ib - test an IB on the DMA engine 1059 * 1060 * @ring: amdgpu_ring structure holding ring information 1061 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 1062 * 1063 * Test a simple IB in the DMA ring (NAVI10). 1064 * Returns 0 on success, error on failure. 1065 */ 1066 static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1067 { 1068 struct amdgpu_device *adev = ring->adev; 1069 struct amdgpu_ib ib; 1070 struct dma_fence *f = NULL; 1071 unsigned index; 1072 long r; 1073 u32 tmp = 0; 1074 u64 gpu_addr; 1075 volatile uint32_t *cpu_ptr = NULL; 1076 1077 tmp = 0xCAFEDEAD; 1078 memset(&ib, 0, sizeof(ib)); 1079 1080 if (ring->is_mes_queue) { 1081 uint32_t offset = 0; 1082 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS); 1083 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1084 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1085 1086 offset = amdgpu_mes_ctx_get_offs(ring, 1087 AMDGPU_MES_CTX_PADDING_OFFS); 1088 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset); 1089 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset); 1090 *cpu_ptr = tmp; 1091 } else { 1092 r = amdgpu_device_wb_get(adev, &index); 1093 if (r) { 1094 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); 1095 return r; 1096 } 1097 1098 gpu_addr = adev->wb.gpu_addr + (index * 4); 1099 adev->wb.wb[index] = cpu_to_le32(tmp); 1100 1101 r = amdgpu_ib_get(adev, NULL, 256, 1102 AMDGPU_IB_POOL_DIRECT, &ib); 1103 if (r) { 1104 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); 1105 goto err0; 1106 } 1107 } 1108 1109 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1110 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1111 ib.ptr[1] = lower_32_bits(gpu_addr); 1112 ib.ptr[2] = upper_32_bits(gpu_addr); 1113 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 1114 ib.ptr[4] = 0xDEADBEEF; 1115 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1116 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1117 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1118 ib.length_dw = 8; 1119 1120 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 1121 if (r) 1122 goto err1; 1123 1124 r = dma_fence_wait_timeout(f, false, timeout); 1125 if (r == 0) { 1126 DRM_ERROR("amdgpu: IB test timed out\n"); 1127 r = -ETIMEDOUT; 1128 goto err1; 1129 } else if (r < 0) { 1130 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 1131 goto err1; 1132 } 1133 1134 if (ring->is_mes_queue) 1135 tmp = le32_to_cpu(*cpu_ptr); 1136 else 1137 tmp = le32_to_cpu(adev->wb.wb[index]); 1138 1139 if (tmp == 0xDEADBEEF) 1140 r = 0; 1141 else 1142 r = -EINVAL; 1143 1144 err1: 1145 amdgpu_ib_free(adev, &ib, NULL); 1146 dma_fence_put(f); 1147 err0: 1148 if (!ring->is_mes_queue) 1149 amdgpu_device_wb_free(adev, index); 1150 return r; 1151 } 1152 1153 1154 /** 1155 * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART 1156 * 1157 * @ib: indirect buffer to fill with commands 1158 * @pe: addr of the page entry 1159 * @src: src addr to copy from 1160 * @count: number of page entries to update 1161 * 1162 * Update PTEs by copying them from the GART using sDMA (NAVI10). 1163 */ 1164 static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib, 1165 uint64_t pe, uint64_t src, 1166 unsigned count) 1167 { 1168 unsigned bytes = count * 8; 1169 1170 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1171 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1172 ib->ptr[ib->length_dw++] = bytes - 1; 1173 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1174 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1175 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1176 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1177 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1178 1179 } 1180 1181 /** 1182 * sdma_v5_0_vm_write_pte - update PTEs by writing them manually 1183 * 1184 * @ib: indirect buffer to fill with commands 1185 * @pe: addr of the page entry 1186 * @value: dst addr to write into pe 1187 * @count: number of page entries to update 1188 * @incr: increase next addr by incr bytes 1189 * 1190 * Update PTEs by writing them manually using sDMA (NAVI10). 1191 */ 1192 static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1193 uint64_t value, unsigned count, 1194 uint32_t incr) 1195 { 1196 unsigned ndw = count * 2; 1197 1198 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1199 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1200 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1201 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1202 ib->ptr[ib->length_dw++] = ndw - 1; 1203 for (; ndw > 0; ndw -= 2) { 1204 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1205 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1206 value += incr; 1207 } 1208 } 1209 1210 /** 1211 * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA 1212 * 1213 * @ib: indirect buffer to fill with commands 1214 * @pe: addr of the page entry 1215 * @addr: dst addr to write into pe 1216 * @count: number of page entries to update 1217 * @incr: increase next addr by incr bytes 1218 * @flags: access flags 1219 * 1220 * Update the page tables using sDMA (NAVI10). 1221 */ 1222 static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib, 1223 uint64_t pe, 1224 uint64_t addr, unsigned count, 1225 uint32_t incr, uint64_t flags) 1226 { 1227 /* for physically contiguous pages (vram) */ 1228 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); 1229 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1230 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1231 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1232 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1233 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1234 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1235 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1236 ib->ptr[ib->length_dw++] = 0; 1237 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1238 } 1239 1240 /** 1241 * sdma_v5_0_ring_pad_ib - pad the IB 1242 * @ring: amdgpu_ring structure holding ring information 1243 * @ib: indirect buffer to fill with padding 1244 * 1245 * Pad the IB with NOPs to a boundary multiple of 8. 1246 */ 1247 static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1248 { 1249 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring); 1250 u32 pad_count; 1251 int i; 1252 1253 pad_count = (-ib->length_dw) & 0x7; 1254 for (i = 0; i < pad_count; i++) 1255 if (sdma && sdma->burst_nop && (i == 0)) 1256 ib->ptr[ib->length_dw++] = 1257 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | 1258 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1259 else 1260 ib->ptr[ib->length_dw++] = 1261 SDMA_PKT_HEADER_OP(SDMA_OP_NOP); 1262 } 1263 1264 1265 /** 1266 * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline 1267 * 1268 * @ring: amdgpu_ring pointer 1269 * 1270 * Make sure all previous operations are completed (CIK). 1271 */ 1272 static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1273 { 1274 uint32_t seq = ring->fence_drv.sync_seq; 1275 uint64_t addr = ring->fence_drv.gpu_addr; 1276 1277 /* wait for idle */ 1278 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1279 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1280 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ 1281 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); 1282 amdgpu_ring_write(ring, addr & 0xfffffffc); 1283 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); 1284 amdgpu_ring_write(ring, seq); /* reference */ 1285 amdgpu_ring_write(ring, 0xffffffff); /* mask */ 1286 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1287 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ 1288 } 1289 1290 1291 /** 1292 * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA 1293 * 1294 * @ring: amdgpu_ring pointer 1295 * @vmid: vmid number to use 1296 * @pd_addr: address 1297 * 1298 * Update the page table base and flush the VM TLB 1299 * using sDMA (NAVI10). 1300 */ 1301 static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1302 unsigned vmid, uint64_t pd_addr) 1303 { 1304 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1305 } 1306 1307 static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring, 1308 uint32_t reg, uint32_t val) 1309 { 1310 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | 1311 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); 1312 amdgpu_ring_write(ring, reg); 1313 amdgpu_ring_write(ring, val); 1314 } 1315 1316 static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1317 uint32_t val, uint32_t mask) 1318 { 1319 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 1320 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | 1321 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */ 1322 amdgpu_ring_write(ring, reg << 2); 1323 amdgpu_ring_write(ring, 0); 1324 amdgpu_ring_write(ring, val); /* reference */ 1325 amdgpu_ring_write(ring, mask); /* mask */ 1326 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 1327 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); 1328 } 1329 1330 static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring, 1331 uint32_t reg0, uint32_t reg1, 1332 uint32_t ref, uint32_t mask) 1333 { 1334 amdgpu_ring_emit_wreg(ring, reg0, ref); 1335 /* wait for a cycle to reset vm_inv_eng*_ack */ 1336 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0); 1337 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask); 1338 } 1339 1340 static int sdma_v5_0_early_init(void *handle) 1341 { 1342 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1343 1344 sdma_v5_0_set_ring_funcs(adev); 1345 sdma_v5_0_set_buffer_funcs(adev); 1346 sdma_v5_0_set_vm_pte_funcs(adev); 1347 sdma_v5_0_set_irq_funcs(adev); 1348 sdma_v5_0_set_mqd_funcs(adev); 1349 1350 return 0; 1351 } 1352 1353 1354 static int sdma_v5_0_sw_init(void *handle) 1355 { 1356 struct amdgpu_ring *ring; 1357 int r, i; 1358 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1359 1360 /* SDMA trap event */ 1361 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, 1362 SDMA0_5_0__SRCID__SDMA_TRAP, 1363 &adev->sdma.trap_irq); 1364 if (r) 1365 return r; 1366 1367 /* SDMA trap event */ 1368 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, 1369 SDMA1_5_0__SRCID__SDMA_TRAP, 1370 &adev->sdma.trap_irq); 1371 if (r) 1372 return r; 1373 1374 r = sdma_v5_0_init_microcode(adev); 1375 if (r) { 1376 DRM_ERROR("Failed to load sdma firmware!\n"); 1377 return r; 1378 } 1379 1380 for (i = 0; i < adev->sdma.num_instances; i++) { 1381 ring = &adev->sdma.instance[i].ring; 1382 ring->ring_obj = NULL; 1383 ring->use_doorbell = true; 1384 1385 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i, 1386 ring->use_doorbell?"true":"false"); 1387 1388 ring->doorbell_index = (i == 0) ? 1389 (adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset 1390 : (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset 1391 1392 ring->vm_hub = AMDGPU_GFXHUB_0; 1393 sprintf(ring->name, "sdma%d", i); 1394 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq, 1395 (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 : 1396 AMDGPU_SDMA_IRQ_INSTANCE1, 1397 AMDGPU_RING_PRIO_DEFAULT, NULL); 1398 if (r) 1399 return r; 1400 } 1401 1402 return r; 1403 } 1404 1405 static int sdma_v5_0_sw_fini(void *handle) 1406 { 1407 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1408 int i; 1409 1410 for (i = 0; i < adev->sdma.num_instances; i++) 1411 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1412 1413 amdgpu_sdma_destroy_inst_ctx(adev, false); 1414 1415 return 0; 1416 } 1417 1418 static int sdma_v5_0_hw_init(void *handle) 1419 { 1420 int r; 1421 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1422 1423 sdma_v5_0_init_golden_registers(adev); 1424 1425 r = sdma_v5_0_start(adev); 1426 1427 return r; 1428 } 1429 1430 static int sdma_v5_0_hw_fini(void *handle) 1431 { 1432 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1433 1434 if (amdgpu_sriov_vf(adev)) { 1435 /* disable the scheduler for SDMA */ 1436 amdgpu_sdma_unset_buffer_funcs_helper(adev); 1437 return 0; 1438 } 1439 1440 sdma_v5_0_ctx_switch_enable(adev, false); 1441 sdma_v5_0_enable(adev, false); 1442 1443 return 0; 1444 } 1445 1446 static int sdma_v5_0_suspend(void *handle) 1447 { 1448 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1449 1450 return sdma_v5_0_hw_fini(adev); 1451 } 1452 1453 static int sdma_v5_0_resume(void *handle) 1454 { 1455 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1456 1457 return sdma_v5_0_hw_init(adev); 1458 } 1459 1460 static bool sdma_v5_0_is_idle(void *handle) 1461 { 1462 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1463 u32 i; 1464 1465 for (i = 0; i < adev->sdma.num_instances; i++) { 1466 u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG)); 1467 1468 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1469 return false; 1470 } 1471 1472 return true; 1473 } 1474 1475 static int sdma_v5_0_wait_for_idle(void *handle) 1476 { 1477 unsigned i; 1478 u32 sdma0, sdma1; 1479 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1480 1481 for (i = 0; i < adev->usec_timeout; i++) { 1482 sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG)); 1483 sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG)); 1484 1485 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) 1486 return 0; 1487 udelay(1); 1488 } 1489 return -ETIMEDOUT; 1490 } 1491 1492 static int sdma_v5_0_soft_reset(void *handle) 1493 { 1494 /* todo */ 1495 1496 return 0; 1497 } 1498 1499 static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring) 1500 { 1501 int i, r = 0; 1502 struct amdgpu_device *adev = ring->adev; 1503 u32 index = 0; 1504 u64 sdma_gfx_preempt; 1505 1506 amdgpu_sdma_get_index_from_ring(ring, &index); 1507 if (index == 0) 1508 sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT; 1509 else 1510 sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT; 1511 1512 /* assert preemption condition */ 1513 amdgpu_ring_set_preempt_cond_exec(ring, false); 1514 1515 /* emit the trailing fence */ 1516 ring->trail_seq += 1; 1517 amdgpu_ring_alloc(ring, 10); 1518 sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr, 1519 ring->trail_seq, 0); 1520 amdgpu_ring_commit(ring); 1521 1522 /* assert IB preemption */ 1523 WREG32(sdma_gfx_preempt, 1); 1524 1525 /* poll the trailing fence */ 1526 for (i = 0; i < adev->usec_timeout; i++) { 1527 if (ring->trail_seq == 1528 le32_to_cpu(*(ring->trail_fence_cpu_addr))) 1529 break; 1530 udelay(1); 1531 } 1532 1533 if (i >= adev->usec_timeout) { 1534 r = -EINVAL; 1535 DRM_ERROR("ring %d failed to be preempted\n", ring->idx); 1536 } 1537 1538 /* deassert IB preemption */ 1539 WREG32(sdma_gfx_preempt, 0); 1540 1541 /* deassert the preemption condition */ 1542 amdgpu_ring_set_preempt_cond_exec(ring, true); 1543 return r; 1544 } 1545 1546 static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev, 1547 struct amdgpu_irq_src *source, 1548 unsigned type, 1549 enum amdgpu_interrupt_state state) 1550 { 1551 u32 sdma_cntl; 1552 1553 if (!amdgpu_sriov_vf(adev)) { 1554 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ? 1555 sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) : 1556 sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL); 1557 1558 sdma_cntl = RREG32(reg_offset); 1559 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1560 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1561 WREG32(reg_offset, sdma_cntl); 1562 } 1563 1564 return 0; 1565 } 1566 1567 static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev, 1568 struct amdgpu_irq_src *source, 1569 struct amdgpu_iv_entry *entry) 1570 { 1571 uint32_t mes_queue_id = entry->src_data[0]; 1572 1573 DRM_DEBUG("IH: SDMA trap\n"); 1574 1575 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) { 1576 struct amdgpu_mes_queue *queue; 1577 1578 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK; 1579 1580 spin_lock(&adev->mes.queue_id_lock); 1581 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id); 1582 if (queue) { 1583 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id); 1584 amdgpu_fence_process(queue->ring); 1585 } 1586 spin_unlock(&adev->mes.queue_id_lock); 1587 return 0; 1588 } 1589 1590 switch (entry->client_id) { 1591 case SOC15_IH_CLIENTID_SDMA0: 1592 switch (entry->ring_id) { 1593 case 0: 1594 amdgpu_fence_process(&adev->sdma.instance[0].ring); 1595 break; 1596 case 1: 1597 /* XXX compute */ 1598 break; 1599 case 2: 1600 /* XXX compute */ 1601 break; 1602 case 3: 1603 /* XXX page queue*/ 1604 break; 1605 } 1606 break; 1607 case SOC15_IH_CLIENTID_SDMA1: 1608 switch (entry->ring_id) { 1609 case 0: 1610 amdgpu_fence_process(&adev->sdma.instance[1].ring); 1611 break; 1612 case 1: 1613 /* XXX compute */ 1614 break; 1615 case 2: 1616 /* XXX compute */ 1617 break; 1618 case 3: 1619 /* XXX page queue*/ 1620 break; 1621 } 1622 break; 1623 } 1624 return 0; 1625 } 1626 1627 static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev, 1628 struct amdgpu_irq_src *source, 1629 struct amdgpu_iv_entry *entry) 1630 { 1631 return 0; 1632 } 1633 1634 static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev, 1635 bool enable) 1636 { 1637 uint32_t data, def; 1638 int i; 1639 1640 for (i = 0; i < adev->sdma.num_instances; i++) { 1641 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { 1642 /* Enable 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 } else { 1655 /* Disable sdma clock gating */ 1656 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL)); 1657 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1658 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1659 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1660 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1661 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1662 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1663 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1664 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1665 if (def != data) 1666 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data); 1667 } 1668 } 1669 } 1670 1671 static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev, 1672 bool enable) 1673 { 1674 uint32_t data, def; 1675 int i; 1676 1677 for (i = 0; i < adev->sdma.num_instances; i++) { 1678 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { 1679 /* Enable sdma mem light sleep */ 1680 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1681 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1682 if (def != data) 1683 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1684 1685 } else { 1686 /* Disable sdma mem light sleep */ 1687 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL)); 1688 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1689 if (def != data) 1690 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data); 1691 1692 } 1693 } 1694 } 1695 1696 static int sdma_v5_0_set_clockgating_state(void *handle, 1697 enum amd_clockgating_state state) 1698 { 1699 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1700 1701 if (amdgpu_sriov_vf(adev)) 1702 return 0; 1703 1704 switch (adev->ip_versions[SDMA0_HWIP][0]) { 1705 case IP_VERSION(5, 0, 0): 1706 case IP_VERSION(5, 0, 2): 1707 case IP_VERSION(5, 0, 5): 1708 sdma_v5_0_update_medium_grain_clock_gating(adev, 1709 state == AMD_CG_STATE_GATE); 1710 sdma_v5_0_update_medium_grain_light_sleep(adev, 1711 state == AMD_CG_STATE_GATE); 1712 break; 1713 default: 1714 break; 1715 } 1716 1717 return 0; 1718 } 1719 1720 static int sdma_v5_0_set_powergating_state(void *handle, 1721 enum amd_powergating_state state) 1722 { 1723 return 0; 1724 } 1725 1726 static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags) 1727 { 1728 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1729 int data; 1730 1731 if (amdgpu_sriov_vf(adev)) 1732 *flags = 0; 1733 1734 /* AMD_CG_SUPPORT_SDMA_MGCG */ 1735 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL)); 1736 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK)) 1737 *flags |= AMD_CG_SUPPORT_SDMA_MGCG; 1738 1739 /* AMD_CG_SUPPORT_SDMA_LS */ 1740 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL)); 1741 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) 1742 *flags |= AMD_CG_SUPPORT_SDMA_LS; 1743 } 1744 1745 const struct amd_ip_funcs sdma_v5_0_ip_funcs = { 1746 .name = "sdma_v5_0", 1747 .early_init = sdma_v5_0_early_init, 1748 .late_init = NULL, 1749 .sw_init = sdma_v5_0_sw_init, 1750 .sw_fini = sdma_v5_0_sw_fini, 1751 .hw_init = sdma_v5_0_hw_init, 1752 .hw_fini = sdma_v5_0_hw_fini, 1753 .suspend = sdma_v5_0_suspend, 1754 .resume = sdma_v5_0_resume, 1755 .is_idle = sdma_v5_0_is_idle, 1756 .wait_for_idle = sdma_v5_0_wait_for_idle, 1757 .soft_reset = sdma_v5_0_soft_reset, 1758 .set_clockgating_state = sdma_v5_0_set_clockgating_state, 1759 .set_powergating_state = sdma_v5_0_set_powergating_state, 1760 .get_clockgating_state = sdma_v5_0_get_clockgating_state, 1761 }; 1762 1763 static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = { 1764 .type = AMDGPU_RING_TYPE_SDMA, 1765 .align_mask = 0xf, 1766 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1767 .support_64bit_ptrs = true, 1768 .secure_submission_supported = true, 1769 .get_rptr = sdma_v5_0_ring_get_rptr, 1770 .get_wptr = sdma_v5_0_ring_get_wptr, 1771 .set_wptr = sdma_v5_0_ring_set_wptr, 1772 .emit_frame_size = 1773 5 + /* sdma_v5_0_ring_init_cond_exec */ 1774 6 + /* sdma_v5_0_ring_emit_hdp_flush */ 1775 3 + /* hdp_invalidate */ 1776 6 + /* sdma_v5_0_ring_emit_pipeline_sync */ 1777 /* sdma_v5_0_ring_emit_vm_flush */ 1778 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1779 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 + 1780 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */ 1781 .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */ 1782 .emit_ib = sdma_v5_0_ring_emit_ib, 1783 .emit_mem_sync = sdma_v5_0_ring_emit_mem_sync, 1784 .emit_fence = sdma_v5_0_ring_emit_fence, 1785 .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync, 1786 .emit_vm_flush = sdma_v5_0_ring_emit_vm_flush, 1787 .emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush, 1788 .test_ring = sdma_v5_0_ring_test_ring, 1789 .test_ib = sdma_v5_0_ring_test_ib, 1790 .insert_nop = sdma_v5_0_ring_insert_nop, 1791 .pad_ib = sdma_v5_0_ring_pad_ib, 1792 .emit_wreg = sdma_v5_0_ring_emit_wreg, 1793 .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait, 1794 .emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait, 1795 .init_cond_exec = sdma_v5_0_ring_init_cond_exec, 1796 .patch_cond_exec = sdma_v5_0_ring_patch_cond_exec, 1797 .preempt_ib = sdma_v5_0_ring_preempt_ib, 1798 }; 1799 1800 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev) 1801 { 1802 int i; 1803 1804 for (i = 0; i < adev->sdma.num_instances; i++) { 1805 adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs; 1806 adev->sdma.instance[i].ring.me = i; 1807 } 1808 } 1809 1810 static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = { 1811 .set = sdma_v5_0_set_trap_irq_state, 1812 .process = sdma_v5_0_process_trap_irq, 1813 }; 1814 1815 static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = { 1816 .process = sdma_v5_0_process_illegal_inst_irq, 1817 }; 1818 1819 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev) 1820 { 1821 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 + 1822 adev->sdma.num_instances; 1823 adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs; 1824 adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs; 1825 } 1826 1827 /** 1828 * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine 1829 * 1830 * @ib: indirect buffer to copy to 1831 * @src_offset: src GPU address 1832 * @dst_offset: dst GPU address 1833 * @byte_count: number of bytes to xfer 1834 * @tmz: if a secure copy should be used 1835 * 1836 * Copy GPU buffers using the DMA engine (NAVI10). 1837 * Used by the amdgpu ttm implementation to move pages if 1838 * registered as the asic copy callback. 1839 */ 1840 static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib, 1841 uint64_t src_offset, 1842 uint64_t dst_offset, 1843 uint32_t byte_count, 1844 bool tmz) 1845 { 1846 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1847 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) | 1848 SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0); 1849 ib->ptr[ib->length_dw++] = byte_count - 1; 1850 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1851 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1852 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1853 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1854 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1855 } 1856 1857 /** 1858 * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine 1859 * 1860 * @ib: indirect buffer to fill 1861 * @src_data: value to write to buffer 1862 * @dst_offset: dst GPU address 1863 * @byte_count: number of bytes to xfer 1864 * 1865 * Fill GPU buffers using the DMA engine (NAVI10). 1866 */ 1867 static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib, 1868 uint32_t src_data, 1869 uint64_t dst_offset, 1870 uint32_t byte_count) 1871 { 1872 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); 1873 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1874 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1875 ib->ptr[ib->length_dw++] = src_data; 1876 ib->ptr[ib->length_dw++] = byte_count - 1; 1877 } 1878 1879 static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = { 1880 .copy_max_bytes = 0x400000, 1881 .copy_num_dw = 7, 1882 .emit_copy_buffer = sdma_v5_0_emit_copy_buffer, 1883 1884 .fill_max_bytes = 0x400000, 1885 .fill_num_dw = 5, 1886 .emit_fill_buffer = sdma_v5_0_emit_fill_buffer, 1887 }; 1888 1889 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev) 1890 { 1891 if (adev->mman.buffer_funcs == NULL) { 1892 adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs; 1893 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 1894 } 1895 } 1896 1897 static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = { 1898 .copy_pte_num_dw = 7, 1899 .copy_pte = sdma_v5_0_vm_copy_pte, 1900 .write_pte = sdma_v5_0_vm_write_pte, 1901 .set_pte_pde = sdma_v5_0_vm_set_pte_pde, 1902 }; 1903 1904 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev) 1905 { 1906 unsigned i; 1907 1908 if (adev->vm_manager.vm_pte_funcs == NULL) { 1909 adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs; 1910 for (i = 0; i < adev->sdma.num_instances; i++) { 1911 adev->vm_manager.vm_pte_scheds[i] = 1912 &adev->sdma.instance[i].ring.sched; 1913 } 1914 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances; 1915 } 1916 } 1917 1918 const struct amdgpu_ip_block_version sdma_v5_0_ip_block = { 1919 .type = AMD_IP_BLOCK_TYPE_SDMA, 1920 .major = 5, 1921 .minor = 0, 1922 .rev = 0, 1923 .funcs = &sdma_v5_0_ip_funcs, 1924 }; 1925