1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 #include <linux/firmware.h> 25 #include <drm/drmP.h> 26 #include "amdgpu.h" 27 #include "amdgpu_ucode.h" 28 #include "amdgpu_trace.h" 29 30 #include "sdma0/sdma0_4_0_offset.h" 31 #include "sdma0/sdma0_4_0_sh_mask.h" 32 #include "sdma1/sdma1_4_0_offset.h" 33 #include "sdma1/sdma1_4_0_sh_mask.h" 34 #include "hdp/hdp_4_0_offset.h" 35 #include "sdma0/sdma0_4_1_default.h" 36 37 #include "soc15_common.h" 38 #include "soc15.h" 39 #include "vega10_sdma_pkt_open.h" 40 41 #include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h" 42 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h" 43 44 MODULE_FIRMWARE("amdgpu/vega10_sdma.bin"); 45 MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin"); 46 MODULE_FIRMWARE("amdgpu/vega12_sdma.bin"); 47 MODULE_FIRMWARE("amdgpu/vega12_sdma1.bin"); 48 MODULE_FIRMWARE("amdgpu/vega20_sdma.bin"); 49 MODULE_FIRMWARE("amdgpu/vega20_sdma1.bin"); 50 MODULE_FIRMWARE("amdgpu/raven_sdma.bin"); 51 52 #define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK 0x000000F8L 53 #define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L 54 55 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev); 56 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev); 57 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev); 58 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev); 59 60 static const struct soc15_reg_golden golden_settings_sdma_4[] = { 61 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 62 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xff000ff0, 0x3f000100), 63 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0100, 0x00000100), 64 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 65 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_IB_CNTL, 0x800f0100, 0x00000100), 66 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 67 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003ff006, 0x0003c000), 68 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0100, 0x00000100), 69 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 70 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0100, 0x00000100), 71 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 72 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0), 73 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07), 74 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100), 75 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_IB_CNTL, 0x800f0100, 0x00000100), 76 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 77 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_IB_CNTL, 0x800f0100, 0x00000100), 78 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 79 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_POWER_CNTL, 0x003ff000, 0x0003c000), 80 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_IB_CNTL, 0x800f0100, 0x00000100), 81 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 82 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_IB_CNTL, 0x800f0100, 0x00000100), 83 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000), 84 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0) 85 }; 86 87 static const struct soc15_reg_golden golden_settings_sdma_vg10[] = { 88 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104002), 89 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002), 90 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104002), 91 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002) 92 }; 93 94 static const struct soc15_reg_golden golden_settings_sdma_vg12[] = { 95 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104001), 96 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001), 97 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104001), 98 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001) 99 }; 100 101 static const struct soc15_reg_golden golden_settings_sdma_4_1[] = 102 { 103 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 104 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100), 105 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100), 106 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 107 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0xfc3fffff, 0x40000051), 108 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100), 109 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 110 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100), 111 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 112 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0) 113 }; 114 115 static const struct soc15_reg_golden golden_settings_sdma_4_2[] = 116 { 117 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 118 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100), 119 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002), 120 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002), 121 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 122 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 123 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000), 124 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 125 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0), 126 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07), 127 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100), 128 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002), 129 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002), 130 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 131 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 132 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 133 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000), 134 SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0) 135 }; 136 137 static const struct soc15_reg_golden golden_settings_sdma_rv1[] = 138 { 139 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002), 140 SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002) 141 }; 142 143 static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev, 144 u32 instance, u32 offset) 145 { 146 return ( 0 == instance ? (adev->reg_offset[SDMA0_HWIP][0][0] + offset) : 147 (adev->reg_offset[SDMA1_HWIP][0][0] + offset)); 148 } 149 150 static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev) 151 { 152 switch (adev->asic_type) { 153 case CHIP_VEGA10: 154 soc15_program_register_sequence(adev, 155 golden_settings_sdma_4, 156 ARRAY_SIZE(golden_settings_sdma_4)); 157 soc15_program_register_sequence(adev, 158 golden_settings_sdma_vg10, 159 ARRAY_SIZE(golden_settings_sdma_vg10)); 160 break; 161 case CHIP_VEGA12: 162 soc15_program_register_sequence(adev, 163 golden_settings_sdma_4, 164 ARRAY_SIZE(golden_settings_sdma_4)); 165 soc15_program_register_sequence(adev, 166 golden_settings_sdma_vg12, 167 ARRAY_SIZE(golden_settings_sdma_vg12)); 168 break; 169 case CHIP_VEGA20: 170 soc15_program_register_sequence(adev, 171 golden_settings_sdma_4_2, 172 ARRAY_SIZE(golden_settings_sdma_4_2)); 173 break; 174 case CHIP_RAVEN: 175 soc15_program_register_sequence(adev, 176 golden_settings_sdma_4_1, 177 ARRAY_SIZE(golden_settings_sdma_4_1)); 178 soc15_program_register_sequence(adev, 179 golden_settings_sdma_rv1, 180 ARRAY_SIZE(golden_settings_sdma_rv1)); 181 break; 182 default: 183 break; 184 } 185 } 186 187 /** 188 * sdma_v4_0_init_microcode - load ucode images from disk 189 * 190 * @adev: amdgpu_device pointer 191 * 192 * Use the firmware interface to load the ucode images into 193 * the driver (not loaded into hw). 194 * Returns 0 on success, error on failure. 195 */ 196 197 // emulation only, won't work on real chip 198 // vega10 real chip need to use PSP to load firmware 199 static int sdma_v4_0_init_microcode(struct amdgpu_device *adev) 200 { 201 const char *chip_name; 202 char fw_name[30]; 203 int err = 0, i; 204 struct amdgpu_firmware_info *info = NULL; 205 const struct common_firmware_header *header = NULL; 206 const struct sdma_firmware_header_v1_0 *hdr; 207 208 DRM_DEBUG("\n"); 209 210 switch (adev->asic_type) { 211 case CHIP_VEGA10: 212 chip_name = "vega10"; 213 break; 214 case CHIP_VEGA12: 215 chip_name = "vega12"; 216 break; 217 case CHIP_VEGA20: 218 chip_name = "vega20"; 219 break; 220 case CHIP_RAVEN: 221 chip_name = "raven"; 222 break; 223 default: 224 BUG(); 225 } 226 227 for (i = 0; i < adev->sdma.num_instances; i++) { 228 if (i == 0) 229 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name); 230 else 231 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name); 232 err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev); 233 if (err) 234 goto out; 235 err = amdgpu_ucode_validate(adev->sdma.instance[i].fw); 236 if (err) 237 goto out; 238 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 239 adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version); 240 adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); 241 if (adev->sdma.instance[i].feature_version >= 20) 242 adev->sdma.instance[i].burst_nop = true; 243 DRM_DEBUG("psp_load == '%s'\n", 244 adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false"); 245 246 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 247 info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; 248 info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; 249 info->fw = adev->sdma.instance[i].fw; 250 header = (const struct common_firmware_header *)info->fw->data; 251 adev->firmware.fw_size += 252 ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); 253 } 254 } 255 out: 256 if (err) { 257 DRM_ERROR("sdma_v4_0: Failed to load firmware \"%s\"\n", fw_name); 258 for (i = 0; i < adev->sdma.num_instances; i++) { 259 release_firmware(adev->sdma.instance[i].fw); 260 adev->sdma.instance[i].fw = NULL; 261 } 262 } 263 return err; 264 } 265 266 /** 267 * sdma_v4_0_ring_get_rptr - get the current read pointer 268 * 269 * @ring: amdgpu ring pointer 270 * 271 * Get the current rptr from the hardware (VEGA10+). 272 */ 273 static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring) 274 { 275 u64 *rptr; 276 277 /* XXX check if swapping is necessary on BE */ 278 rptr = ((u64 *)&ring->adev->wb.wb[ring->rptr_offs]); 279 280 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr); 281 return ((*rptr) >> 2); 282 } 283 284 /** 285 * sdma_v4_0_ring_get_wptr - get the current write pointer 286 * 287 * @ring: amdgpu ring pointer 288 * 289 * Get the current wptr from the hardware (VEGA10+). 290 */ 291 static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring) 292 { 293 struct amdgpu_device *adev = ring->adev; 294 u64 wptr; 295 296 if (ring->use_doorbell) { 297 /* XXX check if swapping is necessary on BE */ 298 wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs])); 299 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr); 300 } else { 301 u32 lowbit, highbit; 302 303 lowbit = RREG32(sdma_v4_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR)) >> 2; 304 highbit = RREG32(sdma_v4_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI)) >> 2; 305 306 DRM_DEBUG("wptr [%i]high== 0x%08x low==0x%08x\n", 307 ring->me, highbit, lowbit); 308 wptr = highbit; 309 wptr = wptr << 32; 310 wptr |= lowbit; 311 } 312 313 return wptr >> 2; 314 } 315 316 /** 317 * sdma_v4_0_ring_set_wptr - commit the write pointer 318 * 319 * @ring: amdgpu ring pointer 320 * 321 * Write the wptr back to the hardware (VEGA10+). 322 */ 323 static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring) 324 { 325 struct amdgpu_device *adev = ring->adev; 326 327 DRM_DEBUG("Setting write pointer\n"); 328 if (ring->use_doorbell) { 329 u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs]; 330 331 DRM_DEBUG("Using doorbell -- " 332 "wptr_offs == 0x%08x " 333 "lower_32_bits(ring->wptr) << 2 == 0x%08x " 334 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n", 335 ring->wptr_offs, 336 lower_32_bits(ring->wptr << 2), 337 upper_32_bits(ring->wptr << 2)); 338 /* XXX check if swapping is necessary on BE */ 339 WRITE_ONCE(*wb, (ring->wptr << 2)); 340 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n", 341 ring->doorbell_index, ring->wptr << 2); 342 WDOORBELL64(ring->doorbell_index, ring->wptr << 2); 343 } else { 344 DRM_DEBUG("Not using doorbell -- " 345 "mmSDMA%i_GFX_RB_WPTR == 0x%08x " 346 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n", 347 ring->me, 348 lower_32_bits(ring->wptr << 2), 349 ring->me, 350 upper_32_bits(ring->wptr << 2)); 351 WREG32(sdma_v4_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr << 2)); 352 WREG32(sdma_v4_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr << 2)); 353 } 354 } 355 356 static void sdma_v4_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 357 { 358 struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); 359 int i; 360 361 for (i = 0; i < count; i++) 362 if (sdma && sdma->burst_nop && (i == 0)) 363 amdgpu_ring_write(ring, ring->funcs->nop | 364 SDMA_PKT_NOP_HEADER_COUNT(count - 1)); 365 else 366 amdgpu_ring_write(ring, ring->funcs->nop); 367 } 368 369 /** 370 * sdma_v4_0_ring_emit_ib - Schedule an IB on the DMA engine 371 * 372 * @ring: amdgpu ring pointer 373 * @ib: IB object to schedule 374 * 375 * Schedule an IB in the DMA ring (VEGA10). 376 */ 377 static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring, 378 struct amdgpu_ib *ib, 379 unsigned vmid, bool ctx_switch) 380 { 381 /* IB packet must end on a 8 DW boundary */ 382 sdma_v4_0_ring_insert_nop(ring, (10 - (lower_32_bits(ring->wptr) & 7)) % 8); 383 384 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | 385 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf)); 386 /* base must be 32 byte aligned */ 387 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); 388 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 389 amdgpu_ring_write(ring, ib->length_dw); 390 amdgpu_ring_write(ring, 0); 391 amdgpu_ring_write(ring, 0); 392 393 } 394 395 static void sdma_v4_0_wait_reg_mem(struct amdgpu_ring *ring, 396 int mem_space, int hdp, 397 uint32_t addr0, uint32_t addr1, 398 uint32_t ref, uint32_t mask, 399 uint32_t inv) 400 { 401 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | 402 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) | 403 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) | 404 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ 405 if (mem_space) { 406 /* memory */ 407 amdgpu_ring_write(ring, addr0); 408 amdgpu_ring_write(ring, addr1); 409 } else { 410 /* registers */ 411 amdgpu_ring_write(ring, addr0 << 2); 412 amdgpu_ring_write(ring, addr1 << 2); 413 } 414 amdgpu_ring_write(ring, ref); /* reference */ 415 amdgpu_ring_write(ring, mask); /* mask */ 416 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | 417 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */ 418 } 419 420 /** 421 * sdma_v4_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring 422 * 423 * @ring: amdgpu ring pointer 424 * 425 * Emit an hdp flush packet on the requested DMA ring. 426 */ 427 static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 428 { 429 struct amdgpu_device *adev = ring->adev; 430 u32 ref_and_mask = 0; 431 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio_funcs->hdp_flush_reg; 432 433 if (ring->me == 0) 434 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0; 435 else 436 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1; 437 438 sdma_v4_0_wait_reg_mem(ring, 0, 1, 439 adev->nbio_funcs->get_hdp_flush_done_offset(adev), 440 adev->nbio_funcs->get_hdp_flush_req_offset(adev), 441 ref_and_mask, ref_and_mask, 10); 442 } 443 444 /** 445 * sdma_v4_0_ring_emit_fence - emit a fence on the DMA ring 446 * 447 * @ring: amdgpu ring pointer 448 * @fence: amdgpu fence object 449 * 450 * Add a DMA fence packet to the ring to write 451 * the fence seq number and DMA trap packet to generate 452 * an interrupt if needed (VEGA10). 453 */ 454 static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 455 unsigned flags) 456 { 457 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; 458 /* write the fence */ 459 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); 460 /* zero in first two bits */ 461 BUG_ON(addr & 0x3); 462 amdgpu_ring_write(ring, lower_32_bits(addr)); 463 amdgpu_ring_write(ring, upper_32_bits(addr)); 464 amdgpu_ring_write(ring, lower_32_bits(seq)); 465 466 /* optionally write high bits as well */ 467 if (write64bit) { 468 addr += 4; 469 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); 470 /* zero in first two bits */ 471 BUG_ON(addr & 0x3); 472 amdgpu_ring_write(ring, lower_32_bits(addr)); 473 amdgpu_ring_write(ring, upper_32_bits(addr)); 474 amdgpu_ring_write(ring, upper_32_bits(seq)); 475 } 476 477 /* generate an interrupt */ 478 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); 479 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); 480 } 481 482 483 /** 484 * sdma_v4_0_gfx_stop - stop the gfx async dma engines 485 * 486 * @adev: amdgpu_device pointer 487 * 488 * Stop the gfx async dma ring buffers (VEGA10). 489 */ 490 static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev) 491 { 492 struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring; 493 struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring; 494 u32 rb_cntl, ib_cntl; 495 int i; 496 497 if ((adev->mman.buffer_funcs_ring == sdma0) || 498 (adev->mman.buffer_funcs_ring == sdma1)) 499 amdgpu_ttm_set_buffer_funcs_status(adev, false); 500 501 for (i = 0; i < adev->sdma.num_instances; i++) { 502 rb_cntl = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 503 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); 504 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 505 ib_cntl = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 506 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); 507 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 508 } 509 510 sdma0->ready = false; 511 sdma1->ready = false; 512 } 513 514 /** 515 * sdma_v4_0_rlc_stop - stop the compute async dma engines 516 * 517 * @adev: amdgpu_device pointer 518 * 519 * Stop the compute async dma queues (VEGA10). 520 */ 521 static void sdma_v4_0_rlc_stop(struct amdgpu_device *adev) 522 { 523 /* XXX todo */ 524 } 525 526 /** 527 * sdma_v_0_ctx_switch_enable - stop the async dma engines context switch 528 * 529 * @adev: amdgpu_device pointer 530 * @enable: enable/disable the DMA MEs context switch. 531 * 532 * Halt or unhalt the async dma engines context switch (VEGA10). 533 */ 534 static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) 535 { 536 u32 f32_cntl, phase_quantum = 0; 537 int i; 538 539 if (amdgpu_sdma_phase_quantum) { 540 unsigned value = amdgpu_sdma_phase_quantum; 541 unsigned unit = 0; 542 543 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 544 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) { 545 value = (value + 1) >> 1; 546 unit++; 547 } 548 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 549 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) { 550 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >> 551 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT); 552 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >> 553 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT); 554 WARN_ONCE(1, 555 "clamping sdma_phase_quantum to %uK clock cycles\n", 556 value << unit); 557 } 558 phase_quantum = 559 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT | 560 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT; 561 } 562 563 for (i = 0; i < adev->sdma.num_instances; i++) { 564 f32_cntl = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 565 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, 566 AUTO_CTXSW_ENABLE, enable ? 1 : 0); 567 if (enable && amdgpu_sdma_phase_quantum) { 568 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM), 569 phase_quantum); 570 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM), 571 phase_quantum); 572 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM), 573 phase_quantum); 574 } 575 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl); 576 } 577 578 } 579 580 /** 581 * sdma_v4_0_enable - stop the async dma engines 582 * 583 * @adev: amdgpu_device pointer 584 * @enable: enable/disable the DMA MEs. 585 * 586 * Halt or unhalt the async dma engines (VEGA10). 587 */ 588 static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable) 589 { 590 u32 f32_cntl; 591 int i; 592 593 if (enable == false) { 594 sdma_v4_0_gfx_stop(adev); 595 sdma_v4_0_rlc_stop(adev); 596 } 597 598 for (i = 0; i < adev->sdma.num_instances; i++) { 599 f32_cntl = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 600 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1); 601 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl); 602 } 603 } 604 605 /** 606 * sdma_v4_0_gfx_resume - setup and start the async dma engines 607 * 608 * @adev: amdgpu_device pointer 609 * 610 * Set up the gfx DMA ring buffers and enable them (VEGA10). 611 * Returns 0 for success, error for failure. 612 */ 613 static int sdma_v4_0_gfx_resume(struct amdgpu_device *adev) 614 { 615 struct amdgpu_ring *ring; 616 u32 rb_cntl, ib_cntl, wptr_poll_cntl; 617 u32 rb_bufsz; 618 u32 wb_offset; 619 u32 doorbell; 620 u32 doorbell_offset; 621 u32 temp; 622 u64 wptr_gpu_addr; 623 int i, r; 624 625 for (i = 0; i < adev->sdma.num_instances; i++) { 626 ring = &adev->sdma.instance[i].ring; 627 wb_offset = (ring->rptr_offs * 4); 628 629 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0); 630 631 /* Set ring buffer size in dwords */ 632 rb_bufsz = order_base_2(ring->ring_size / 4); 633 rb_cntl = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL)); 634 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); 635 #ifdef __BIG_ENDIAN 636 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); 637 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, 638 RPTR_WRITEBACK_SWAP_ENABLE, 1); 639 #endif 640 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 641 642 /* Initialize the ring buffer's read and write pointers */ 643 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0); 644 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0); 645 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0); 646 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0); 647 648 /* set the wb address whether it's enabled or not */ 649 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI), 650 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); 651 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO), 652 lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); 653 654 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); 655 656 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE), ring->gpu_addr >> 8); 657 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI), ring->gpu_addr >> 40); 658 659 ring->wptr = 0; 660 661 /* before programing wptr to a less value, need set minor_ptr_update first */ 662 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1); 663 664 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */ 665 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr) << 2); 666 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr) << 2); 667 } 668 669 doorbell = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL)); 670 doorbell_offset = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET)); 671 672 if (ring->use_doorbell) { 673 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1); 674 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET, 675 OFFSET, ring->doorbell_index); 676 } else { 677 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0); 678 } 679 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell); 680 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET), doorbell_offset); 681 adev->nbio_funcs->sdma_doorbell_range(adev, i, ring->use_doorbell, 682 ring->doorbell_index); 683 684 if (amdgpu_sriov_vf(adev)) 685 sdma_v4_0_ring_set_wptr(ring); 686 687 /* set minor_ptr_update to 0 after wptr programed */ 688 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0); 689 690 /* set utc l1 enable flag always to 1 */ 691 temp = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_CNTL)); 692 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1); 693 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp); 694 695 if (!amdgpu_sriov_vf(adev)) { 696 /* unhalt engine */ 697 temp = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL)); 698 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0); 699 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp); 700 } 701 702 /* setup the wptr shadow polling */ 703 wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4); 704 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO), 705 lower_32_bits(wptr_gpu_addr)); 706 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI), 707 upper_32_bits(wptr_gpu_addr)); 708 wptr_poll_cntl = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL)); 709 if (amdgpu_sriov_vf(adev)) 710 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, SDMA0_GFX_RB_WPTR_POLL_CNTL, F32_POLL_ENABLE, 1); 711 else 712 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl, SDMA0_GFX_RB_WPTR_POLL_CNTL, F32_POLL_ENABLE, 0); 713 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL), wptr_poll_cntl); 714 715 /* enable DMA RB */ 716 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); 717 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl); 718 719 ib_cntl = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL)); 720 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); 721 #ifdef __BIG_ENDIAN 722 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); 723 #endif 724 /* enable DMA IBs */ 725 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl); 726 727 ring->ready = true; 728 729 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */ 730 sdma_v4_0_ctx_switch_enable(adev, true); 731 sdma_v4_0_enable(adev, true); 732 } 733 734 r = amdgpu_ring_test_ring(ring); 735 if (r) { 736 ring->ready = false; 737 return r; 738 } 739 740 if (adev->mman.buffer_funcs_ring == ring) 741 amdgpu_ttm_set_buffer_funcs_status(adev, true); 742 743 } 744 745 return 0; 746 } 747 748 static void 749 sdma_v4_1_update_power_gating(struct amdgpu_device *adev, bool enable) 750 { 751 uint32_t def, data; 752 753 if (enable && (adev->pg_flags & AMD_PG_SUPPORT_SDMA)) { 754 /* disable idle interrupt */ 755 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL)); 756 data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK; 757 758 if (data != def) 759 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data); 760 } else { 761 /* disable idle interrupt */ 762 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL)); 763 data &= ~SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK; 764 if (data != def) 765 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data); 766 } 767 } 768 769 static void sdma_v4_1_init_power_gating(struct amdgpu_device *adev) 770 { 771 uint32_t def, data; 772 773 /* Enable HW based PG. */ 774 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 775 data |= SDMA0_POWER_CNTL__PG_CNTL_ENABLE_MASK; 776 if (data != def) 777 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 778 779 /* enable interrupt */ 780 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL)); 781 data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK; 782 if (data != def) 783 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data); 784 785 /* Configure hold time to filter in-valid power on/off request. Use default right now */ 786 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 787 data &= ~SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK; 788 data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK); 789 /* Configure switch time for hysteresis purpose. Use default right now */ 790 data &= ~SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK; 791 data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK); 792 if(data != def) 793 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 794 } 795 796 static void sdma_v4_0_init_pg(struct amdgpu_device *adev) 797 { 798 if (!(adev->pg_flags & AMD_PG_SUPPORT_SDMA)) 799 return; 800 801 switch (adev->asic_type) { 802 case CHIP_RAVEN: 803 sdma_v4_1_init_power_gating(adev); 804 sdma_v4_1_update_power_gating(adev, true); 805 break; 806 default: 807 break; 808 } 809 } 810 811 /** 812 * sdma_v4_0_rlc_resume - setup and start the async dma engines 813 * 814 * @adev: amdgpu_device pointer 815 * 816 * Set up the compute DMA queues and enable them (VEGA10). 817 * Returns 0 for success, error for failure. 818 */ 819 static int sdma_v4_0_rlc_resume(struct amdgpu_device *adev) 820 { 821 sdma_v4_0_init_pg(adev); 822 823 return 0; 824 } 825 826 /** 827 * sdma_v4_0_load_microcode - load the sDMA ME ucode 828 * 829 * @adev: amdgpu_device pointer 830 * 831 * Loads the sDMA0/1 ucode. 832 * Returns 0 for success, -EINVAL if the ucode is not available. 833 */ 834 static int sdma_v4_0_load_microcode(struct amdgpu_device *adev) 835 { 836 const struct sdma_firmware_header_v1_0 *hdr; 837 const __le32 *fw_data; 838 u32 fw_size; 839 int i, j; 840 841 /* halt the MEs */ 842 sdma_v4_0_enable(adev, false); 843 844 for (i = 0; i < adev->sdma.num_instances; i++) { 845 if (!adev->sdma.instance[i].fw) 846 return -EINVAL; 847 848 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; 849 amdgpu_ucode_print_sdma_hdr(&hdr->header); 850 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; 851 852 fw_data = (const __le32 *) 853 (adev->sdma.instance[i].fw->data + 854 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 855 856 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0); 857 858 for (j = 0; j < fw_size; j++) 859 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++)); 860 861 WREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version); 862 } 863 864 return 0; 865 } 866 867 /** 868 * sdma_v4_0_start - setup and start the async dma engines 869 * 870 * @adev: amdgpu_device pointer 871 * 872 * Set up the DMA engines and enable them (VEGA10). 873 * Returns 0 for success, error for failure. 874 */ 875 static int sdma_v4_0_start(struct amdgpu_device *adev) 876 { 877 int r = 0; 878 879 if (amdgpu_sriov_vf(adev)) { 880 sdma_v4_0_ctx_switch_enable(adev, false); 881 sdma_v4_0_enable(adev, false); 882 883 /* set RB registers */ 884 r = sdma_v4_0_gfx_resume(adev); 885 return r; 886 } 887 888 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 889 r = sdma_v4_0_load_microcode(adev); 890 if (r) 891 return r; 892 } 893 894 /* unhalt the MEs */ 895 sdma_v4_0_enable(adev, true); 896 /* enable sdma ring preemption */ 897 sdma_v4_0_ctx_switch_enable(adev, true); 898 899 /* start the gfx rings and rlc compute queues */ 900 r = sdma_v4_0_gfx_resume(adev); 901 if (r) 902 return r; 903 r = sdma_v4_0_rlc_resume(adev); 904 905 return r; 906 } 907 908 /** 909 * sdma_v4_0_ring_test_ring - simple async dma engine test 910 * 911 * @ring: amdgpu_ring structure holding ring information 912 * 913 * Test the DMA engine by writing using it to write an 914 * value to memory. (VEGA10). 915 * Returns 0 for success, error for failure. 916 */ 917 static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring) 918 { 919 struct amdgpu_device *adev = ring->adev; 920 unsigned i; 921 unsigned index; 922 int r; 923 u32 tmp; 924 u64 gpu_addr; 925 926 r = amdgpu_device_wb_get(adev, &index); 927 if (r) { 928 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); 929 return r; 930 } 931 932 gpu_addr = adev->wb.gpu_addr + (index * 4); 933 tmp = 0xCAFEDEAD; 934 adev->wb.wb[index] = cpu_to_le32(tmp); 935 936 r = amdgpu_ring_alloc(ring, 5); 937 if (r) { 938 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); 939 amdgpu_device_wb_free(adev, index); 940 return r; 941 } 942 943 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 944 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); 945 amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); 946 amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); 947 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0)); 948 amdgpu_ring_write(ring, 0xDEADBEEF); 949 amdgpu_ring_commit(ring); 950 951 for (i = 0; i < adev->usec_timeout; i++) { 952 tmp = le32_to_cpu(adev->wb.wb[index]); 953 if (tmp == 0xDEADBEEF) 954 break; 955 DRM_UDELAY(1); 956 } 957 958 if (i < adev->usec_timeout) { 959 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", ring->idx, i); 960 } else { 961 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 962 ring->idx, tmp); 963 r = -EINVAL; 964 } 965 amdgpu_device_wb_free(adev, index); 966 967 return r; 968 } 969 970 /** 971 * sdma_v4_0_ring_test_ib - test an IB on the DMA engine 972 * 973 * @ring: amdgpu_ring structure holding ring information 974 * 975 * Test a simple IB in the DMA ring (VEGA10). 976 * Returns 0 on success, error on failure. 977 */ 978 static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) 979 { 980 struct amdgpu_device *adev = ring->adev; 981 struct amdgpu_ib ib; 982 struct dma_fence *f = NULL; 983 unsigned index; 984 long r; 985 u32 tmp = 0; 986 u64 gpu_addr; 987 988 r = amdgpu_device_wb_get(adev, &index); 989 if (r) { 990 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); 991 return r; 992 } 993 994 gpu_addr = adev->wb.gpu_addr + (index * 4); 995 tmp = 0xCAFEDEAD; 996 adev->wb.wb[index] = cpu_to_le32(tmp); 997 memset(&ib, 0, sizeof(ib)); 998 r = amdgpu_ib_get(adev, NULL, 256, &ib); 999 if (r) { 1000 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); 1001 goto err0; 1002 } 1003 1004 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1005 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1006 ib.ptr[1] = lower_32_bits(gpu_addr); 1007 ib.ptr[2] = upper_32_bits(gpu_addr); 1008 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0); 1009 ib.ptr[4] = 0xDEADBEEF; 1010 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1011 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1012 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); 1013 ib.length_dw = 8; 1014 1015 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); 1016 if (r) 1017 goto err1; 1018 1019 r = dma_fence_wait_timeout(f, false, timeout); 1020 if (r == 0) { 1021 DRM_ERROR("amdgpu: IB test timed out\n"); 1022 r = -ETIMEDOUT; 1023 goto err1; 1024 } else if (r < 0) { 1025 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 1026 goto err1; 1027 } 1028 tmp = le32_to_cpu(adev->wb.wb[index]); 1029 if (tmp == 0xDEADBEEF) { 1030 DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx); 1031 r = 0; 1032 } else { 1033 DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); 1034 r = -EINVAL; 1035 } 1036 err1: 1037 amdgpu_ib_free(adev, &ib, NULL); 1038 dma_fence_put(f); 1039 err0: 1040 amdgpu_device_wb_free(adev, index); 1041 return r; 1042 } 1043 1044 1045 /** 1046 * sdma_v4_0_vm_copy_pte - update PTEs by copying them from the GART 1047 * 1048 * @ib: indirect buffer to fill with commands 1049 * @pe: addr of the page entry 1050 * @src: src addr to copy from 1051 * @count: number of page entries to update 1052 * 1053 * Update PTEs by copying them from the GART using sDMA (VEGA10). 1054 */ 1055 static void sdma_v4_0_vm_copy_pte(struct amdgpu_ib *ib, 1056 uint64_t pe, uint64_t src, 1057 unsigned count) 1058 { 1059 unsigned bytes = count * 8; 1060 1061 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1062 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1063 ib->ptr[ib->length_dw++] = bytes - 1; 1064 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1065 ib->ptr[ib->length_dw++] = lower_32_bits(src); 1066 ib->ptr[ib->length_dw++] = upper_32_bits(src); 1067 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1068 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1069 1070 } 1071 1072 /** 1073 * sdma_v4_0_vm_write_pte - update PTEs by writing them manually 1074 * 1075 * @ib: indirect buffer to fill with commands 1076 * @pe: addr of the page entry 1077 * @addr: dst addr to write into pe 1078 * @count: number of page entries to update 1079 * @incr: increase next addr by incr bytes 1080 * @flags: access flags 1081 * 1082 * Update PTEs by writing them manually using sDMA (VEGA10). 1083 */ 1084 static void sdma_v4_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, 1085 uint64_t value, unsigned count, 1086 uint32_t incr) 1087 { 1088 unsigned ndw = count * 2; 1089 1090 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | 1091 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); 1092 ib->ptr[ib->length_dw++] = lower_32_bits(pe); 1093 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1094 ib->ptr[ib->length_dw++] = ndw - 1; 1095 for (; ndw > 0; ndw -= 2) { 1096 ib->ptr[ib->length_dw++] = lower_32_bits(value); 1097 ib->ptr[ib->length_dw++] = upper_32_bits(value); 1098 value += incr; 1099 } 1100 } 1101 1102 /** 1103 * sdma_v4_0_vm_set_pte_pde - update the page tables using sDMA 1104 * 1105 * @ib: indirect buffer to fill with commands 1106 * @pe: addr of the page entry 1107 * @addr: dst addr to write into pe 1108 * @count: number of page entries to update 1109 * @incr: increase next addr by incr bytes 1110 * @flags: access flags 1111 * 1112 * Update the page tables using sDMA (VEGA10). 1113 */ 1114 static void sdma_v4_0_vm_set_pte_pde(struct amdgpu_ib *ib, 1115 uint64_t pe, 1116 uint64_t addr, unsigned count, 1117 uint32_t incr, uint64_t flags) 1118 { 1119 /* for physically contiguous pages (vram) */ 1120 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE); 1121 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ 1122 ib->ptr[ib->length_dw++] = upper_32_bits(pe); 1123 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */ 1124 ib->ptr[ib->length_dw++] = upper_32_bits(flags); 1125 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ 1126 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 1127 ib->ptr[ib->length_dw++] = incr; /* increment size */ 1128 ib->ptr[ib->length_dw++] = 0; 1129 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */ 1130 } 1131 1132 /** 1133 * sdma_v4_0_ring_pad_ib - pad the IB to the required number of dw 1134 * 1135 * @ib: indirect buffer to fill with padding 1136 * 1137 */ 1138 static void sdma_v4_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) 1139 { 1140 struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); 1141 u32 pad_count; 1142 int i; 1143 1144 pad_count = (8 - (ib->length_dw & 0x7)) % 8; 1145 for (i = 0; i < pad_count; i++) 1146 if (sdma && sdma->burst_nop && (i == 0)) 1147 ib->ptr[ib->length_dw++] = 1148 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | 1149 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); 1150 else 1151 ib->ptr[ib->length_dw++] = 1152 SDMA_PKT_HEADER_OP(SDMA_OP_NOP); 1153 } 1154 1155 1156 /** 1157 * sdma_v4_0_ring_emit_pipeline_sync - sync the pipeline 1158 * 1159 * @ring: amdgpu_ring pointer 1160 * 1161 * Make sure all previous operations are completed (CIK). 1162 */ 1163 static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) 1164 { 1165 uint32_t seq = ring->fence_drv.sync_seq; 1166 uint64_t addr = ring->fence_drv.gpu_addr; 1167 1168 /* wait for idle */ 1169 sdma_v4_0_wait_reg_mem(ring, 1, 0, 1170 addr & 0xfffffffc, 1171 upper_32_bits(addr) & 0xffffffff, 1172 seq, 0xffffffff, 4); 1173 } 1174 1175 1176 /** 1177 * sdma_v4_0_ring_emit_vm_flush - vm flush using sDMA 1178 * 1179 * @ring: amdgpu_ring pointer 1180 * @vm: amdgpu_vm pointer 1181 * 1182 * Update the page table base and flush the VM TLB 1183 * using sDMA (VEGA10). 1184 */ 1185 static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring, 1186 unsigned vmid, uint64_t pd_addr) 1187 { 1188 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1189 } 1190 1191 static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring, 1192 uint32_t reg, uint32_t val) 1193 { 1194 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | 1195 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); 1196 amdgpu_ring_write(ring, reg); 1197 amdgpu_ring_write(ring, val); 1198 } 1199 1200 static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg, 1201 uint32_t val, uint32_t mask) 1202 { 1203 sdma_v4_0_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10); 1204 } 1205 1206 static int sdma_v4_0_early_init(void *handle) 1207 { 1208 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1209 1210 if (adev->asic_type == CHIP_RAVEN) 1211 adev->sdma.num_instances = 1; 1212 else 1213 adev->sdma.num_instances = 2; 1214 1215 sdma_v4_0_set_ring_funcs(adev); 1216 sdma_v4_0_set_buffer_funcs(adev); 1217 sdma_v4_0_set_vm_pte_funcs(adev); 1218 sdma_v4_0_set_irq_funcs(adev); 1219 1220 return 0; 1221 } 1222 1223 1224 static int sdma_v4_0_sw_init(void *handle) 1225 { 1226 struct amdgpu_ring *ring; 1227 int r, i; 1228 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1229 1230 /* SDMA trap event */ 1231 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, SDMA0_4_0__SRCID__SDMA_TRAP, 1232 &adev->sdma.trap_irq); 1233 if (r) 1234 return r; 1235 1236 /* SDMA trap event */ 1237 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, SDMA1_4_0__SRCID__SDMA_TRAP, 1238 &adev->sdma.trap_irq); 1239 if (r) 1240 return r; 1241 1242 r = sdma_v4_0_init_microcode(adev); 1243 if (r) { 1244 DRM_ERROR("Failed to load sdma firmware!\n"); 1245 return r; 1246 } 1247 1248 for (i = 0; i < adev->sdma.num_instances; i++) { 1249 ring = &adev->sdma.instance[i].ring; 1250 ring->ring_obj = NULL; 1251 ring->use_doorbell = true; 1252 1253 DRM_INFO("use_doorbell being set to: [%s]\n", 1254 ring->use_doorbell?"true":"false"); 1255 1256 ring->doorbell_index = (i == 0) ? 1257 (AMDGPU_DOORBELL64_sDMA_ENGINE0 << 1) //get DWORD offset 1258 : (AMDGPU_DOORBELL64_sDMA_ENGINE1 << 1); // get DWORD offset 1259 1260 sprintf(ring->name, "sdma%d", i); 1261 r = amdgpu_ring_init(adev, ring, 1024, 1262 &adev->sdma.trap_irq, 1263 (i == 0) ? 1264 AMDGPU_SDMA_IRQ_TRAP0 : 1265 AMDGPU_SDMA_IRQ_TRAP1); 1266 if (r) 1267 return r; 1268 } 1269 1270 return r; 1271 } 1272 1273 static int sdma_v4_0_sw_fini(void *handle) 1274 { 1275 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1276 int i; 1277 1278 for (i = 0; i < adev->sdma.num_instances; i++) 1279 amdgpu_ring_fini(&adev->sdma.instance[i].ring); 1280 1281 for (i = 0; i < adev->sdma.num_instances; i++) { 1282 release_firmware(adev->sdma.instance[i].fw); 1283 adev->sdma.instance[i].fw = NULL; 1284 } 1285 1286 return 0; 1287 } 1288 1289 static int sdma_v4_0_hw_init(void *handle) 1290 { 1291 int r; 1292 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1293 1294 sdma_v4_0_init_golden_registers(adev); 1295 1296 r = sdma_v4_0_start(adev); 1297 1298 return r; 1299 } 1300 1301 static int sdma_v4_0_hw_fini(void *handle) 1302 { 1303 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1304 1305 if (amdgpu_sriov_vf(adev)) 1306 return 0; 1307 1308 sdma_v4_0_ctx_switch_enable(adev, false); 1309 sdma_v4_0_enable(adev, false); 1310 1311 return 0; 1312 } 1313 1314 static int sdma_v4_0_suspend(void *handle) 1315 { 1316 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1317 1318 return sdma_v4_0_hw_fini(adev); 1319 } 1320 1321 static int sdma_v4_0_resume(void *handle) 1322 { 1323 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1324 1325 return sdma_v4_0_hw_init(adev); 1326 } 1327 1328 static bool sdma_v4_0_is_idle(void *handle) 1329 { 1330 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1331 u32 i; 1332 1333 for (i = 0; i < adev->sdma.num_instances; i++) { 1334 u32 tmp = RREG32(sdma_v4_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG)); 1335 1336 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK)) 1337 return false; 1338 } 1339 1340 return true; 1341 } 1342 1343 static int sdma_v4_0_wait_for_idle(void *handle) 1344 { 1345 unsigned i; 1346 u32 sdma0, sdma1; 1347 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1348 1349 for (i = 0; i < adev->usec_timeout; i++) { 1350 sdma0 = RREG32(sdma_v4_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG)); 1351 sdma1 = RREG32(sdma_v4_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG)); 1352 1353 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK) 1354 return 0; 1355 udelay(1); 1356 } 1357 return -ETIMEDOUT; 1358 } 1359 1360 static int sdma_v4_0_soft_reset(void *handle) 1361 { 1362 /* todo */ 1363 1364 return 0; 1365 } 1366 1367 static int sdma_v4_0_set_trap_irq_state(struct amdgpu_device *adev, 1368 struct amdgpu_irq_src *source, 1369 unsigned type, 1370 enum amdgpu_interrupt_state state) 1371 { 1372 u32 sdma_cntl; 1373 1374 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_TRAP0) ? 1375 sdma_v4_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) : 1376 sdma_v4_0_get_reg_offset(adev, 1, mmSDMA0_CNTL); 1377 1378 sdma_cntl = RREG32(reg_offset); 1379 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1380 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); 1381 WREG32(reg_offset, sdma_cntl); 1382 1383 return 0; 1384 } 1385 1386 static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev, 1387 struct amdgpu_irq_src *source, 1388 struct amdgpu_iv_entry *entry) 1389 { 1390 DRM_DEBUG("IH: SDMA trap\n"); 1391 switch (entry->client_id) { 1392 case SOC15_IH_CLIENTID_SDMA0: 1393 switch (entry->ring_id) { 1394 case 0: 1395 amdgpu_fence_process(&adev->sdma.instance[0].ring); 1396 break; 1397 case 1: 1398 /* XXX compute */ 1399 break; 1400 case 2: 1401 /* XXX compute */ 1402 break; 1403 case 3: 1404 /* XXX page queue*/ 1405 break; 1406 } 1407 break; 1408 case SOC15_IH_CLIENTID_SDMA1: 1409 switch (entry->ring_id) { 1410 case 0: 1411 amdgpu_fence_process(&adev->sdma.instance[1].ring); 1412 break; 1413 case 1: 1414 /* XXX compute */ 1415 break; 1416 case 2: 1417 /* XXX compute */ 1418 break; 1419 case 3: 1420 /* XXX page queue*/ 1421 break; 1422 } 1423 break; 1424 } 1425 return 0; 1426 } 1427 1428 static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev, 1429 struct amdgpu_irq_src *source, 1430 struct amdgpu_iv_entry *entry) 1431 { 1432 DRM_ERROR("Illegal instruction in SDMA command stream\n"); 1433 schedule_work(&adev->reset_work); 1434 return 0; 1435 } 1436 1437 1438 static void sdma_v4_0_update_medium_grain_clock_gating( 1439 struct amdgpu_device *adev, 1440 bool enable) 1441 { 1442 uint32_t data, def; 1443 1444 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { 1445 /* enable sdma0 clock gating */ 1446 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); 1447 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1448 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1449 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1450 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1451 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1452 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1453 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1454 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1455 if (def != data) 1456 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data); 1457 1458 if (adev->sdma.num_instances > 1) { 1459 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL)); 1460 data &= ~(SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1461 SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1462 SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1463 SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1464 SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1465 SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1466 SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1467 SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1468 if (def != data) 1469 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data); 1470 } 1471 } else { 1472 /* disable sdma0 clock gating */ 1473 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); 1474 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1475 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1476 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1477 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1478 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1479 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1480 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1481 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1482 1483 if (def != data) 1484 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data); 1485 1486 if (adev->sdma.num_instances > 1) { 1487 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL)); 1488 data |= (SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK | 1489 SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK | 1490 SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK | 1491 SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK | 1492 SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK | 1493 SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK | 1494 SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK | 1495 SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK); 1496 if (def != data) 1497 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data); 1498 } 1499 } 1500 } 1501 1502 1503 static void sdma_v4_0_update_medium_grain_light_sleep( 1504 struct amdgpu_device *adev, 1505 bool enable) 1506 { 1507 uint32_t data, def; 1508 1509 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { 1510 /* 1-not override: enable sdma0 mem light sleep */ 1511 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 1512 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1513 if (def != data) 1514 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 1515 1516 /* 1-not override: enable sdma1 mem light sleep */ 1517 if (adev->sdma.num_instances > 1) { 1518 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL)); 1519 data |= SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1520 if (def != data) 1521 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data); 1522 } 1523 } else { 1524 /* 0-override:disable sdma0 mem light sleep */ 1525 def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 1526 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1527 if (def != data) 1528 WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data); 1529 1530 /* 0-override:disable sdma1 mem light sleep */ 1531 if (adev->sdma.num_instances > 1) { 1532 def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL)); 1533 data &= ~SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; 1534 if (def != data) 1535 WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data); 1536 } 1537 } 1538 } 1539 1540 static int sdma_v4_0_set_clockgating_state(void *handle, 1541 enum amd_clockgating_state state) 1542 { 1543 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1544 1545 if (amdgpu_sriov_vf(adev)) 1546 return 0; 1547 1548 switch (adev->asic_type) { 1549 case CHIP_VEGA10: 1550 case CHIP_VEGA12: 1551 case CHIP_VEGA20: 1552 case CHIP_RAVEN: 1553 sdma_v4_0_update_medium_grain_clock_gating(adev, 1554 state == AMD_CG_STATE_GATE ? true : false); 1555 sdma_v4_0_update_medium_grain_light_sleep(adev, 1556 state == AMD_CG_STATE_GATE ? true : false); 1557 break; 1558 default: 1559 break; 1560 } 1561 return 0; 1562 } 1563 1564 static int sdma_v4_0_set_powergating_state(void *handle, 1565 enum amd_powergating_state state) 1566 { 1567 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1568 1569 switch (adev->asic_type) { 1570 case CHIP_RAVEN: 1571 sdma_v4_1_update_power_gating(adev, 1572 state == AMD_PG_STATE_GATE ? true : false); 1573 break; 1574 default: 1575 break; 1576 } 1577 1578 return 0; 1579 } 1580 1581 static void sdma_v4_0_get_clockgating_state(void *handle, u32 *flags) 1582 { 1583 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1584 int data; 1585 1586 if (amdgpu_sriov_vf(adev)) 1587 *flags = 0; 1588 1589 /* AMD_CG_SUPPORT_SDMA_MGCG */ 1590 data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL)); 1591 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK)) 1592 *flags |= AMD_CG_SUPPORT_SDMA_MGCG; 1593 1594 /* AMD_CG_SUPPORT_SDMA_LS */ 1595 data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL)); 1596 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) 1597 *flags |= AMD_CG_SUPPORT_SDMA_LS; 1598 } 1599 1600 const struct amd_ip_funcs sdma_v4_0_ip_funcs = { 1601 .name = "sdma_v4_0", 1602 .early_init = sdma_v4_0_early_init, 1603 .late_init = NULL, 1604 .sw_init = sdma_v4_0_sw_init, 1605 .sw_fini = sdma_v4_0_sw_fini, 1606 .hw_init = sdma_v4_0_hw_init, 1607 .hw_fini = sdma_v4_0_hw_fini, 1608 .suspend = sdma_v4_0_suspend, 1609 .resume = sdma_v4_0_resume, 1610 .is_idle = sdma_v4_0_is_idle, 1611 .wait_for_idle = sdma_v4_0_wait_for_idle, 1612 .soft_reset = sdma_v4_0_soft_reset, 1613 .set_clockgating_state = sdma_v4_0_set_clockgating_state, 1614 .set_powergating_state = sdma_v4_0_set_powergating_state, 1615 .get_clockgating_state = sdma_v4_0_get_clockgating_state, 1616 }; 1617 1618 static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { 1619 .type = AMDGPU_RING_TYPE_SDMA, 1620 .align_mask = 0xf, 1621 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 1622 .support_64bit_ptrs = true, 1623 .vmhub = AMDGPU_MMHUB, 1624 .get_rptr = sdma_v4_0_ring_get_rptr, 1625 .get_wptr = sdma_v4_0_ring_get_wptr, 1626 .set_wptr = sdma_v4_0_ring_set_wptr, 1627 .emit_frame_size = 1628 6 + /* sdma_v4_0_ring_emit_hdp_flush */ 1629 3 + /* hdp invalidate */ 1630 6 + /* sdma_v4_0_ring_emit_pipeline_sync */ 1631 /* sdma_v4_0_ring_emit_vm_flush */ 1632 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1633 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 + 1634 10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */ 1635 .emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */ 1636 .emit_ib = sdma_v4_0_ring_emit_ib, 1637 .emit_fence = sdma_v4_0_ring_emit_fence, 1638 .emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync, 1639 .emit_vm_flush = sdma_v4_0_ring_emit_vm_flush, 1640 .emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush, 1641 .test_ring = sdma_v4_0_ring_test_ring, 1642 .test_ib = sdma_v4_0_ring_test_ib, 1643 .insert_nop = sdma_v4_0_ring_insert_nop, 1644 .pad_ib = sdma_v4_0_ring_pad_ib, 1645 .emit_wreg = sdma_v4_0_ring_emit_wreg, 1646 .emit_reg_wait = sdma_v4_0_ring_emit_reg_wait, 1647 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 1648 }; 1649 1650 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev) 1651 { 1652 int i; 1653 1654 for (i = 0; i < adev->sdma.num_instances; i++) { 1655 adev->sdma.instance[i].ring.funcs = &sdma_v4_0_ring_funcs; 1656 adev->sdma.instance[i].ring.me = i; 1657 } 1658 } 1659 1660 static const struct amdgpu_irq_src_funcs sdma_v4_0_trap_irq_funcs = { 1661 .set = sdma_v4_0_set_trap_irq_state, 1662 .process = sdma_v4_0_process_trap_irq, 1663 }; 1664 1665 static const struct amdgpu_irq_src_funcs sdma_v4_0_illegal_inst_irq_funcs = { 1666 .process = sdma_v4_0_process_illegal_inst_irq, 1667 }; 1668 1669 static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev) 1670 { 1671 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; 1672 adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs; 1673 adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs; 1674 } 1675 1676 /** 1677 * sdma_v4_0_emit_copy_buffer - copy buffer using the sDMA engine 1678 * 1679 * @ring: amdgpu_ring structure holding ring information 1680 * @src_offset: src GPU address 1681 * @dst_offset: dst GPU address 1682 * @byte_count: number of bytes to xfer 1683 * 1684 * Copy GPU buffers using the DMA engine (VEGA10/12). 1685 * Used by the amdgpu ttm implementation to move pages if 1686 * registered as the asic copy callback. 1687 */ 1688 static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib, 1689 uint64_t src_offset, 1690 uint64_t dst_offset, 1691 uint32_t byte_count) 1692 { 1693 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | 1694 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); 1695 ib->ptr[ib->length_dw++] = byte_count - 1; 1696 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ 1697 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); 1698 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); 1699 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1700 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1701 } 1702 1703 /** 1704 * sdma_v4_0_emit_fill_buffer - fill buffer using the sDMA engine 1705 * 1706 * @ring: amdgpu_ring structure holding ring information 1707 * @src_data: value to write to buffer 1708 * @dst_offset: dst GPU address 1709 * @byte_count: number of bytes to xfer 1710 * 1711 * Fill GPU buffers using the DMA engine (VEGA10/12). 1712 */ 1713 static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib, 1714 uint32_t src_data, 1715 uint64_t dst_offset, 1716 uint32_t byte_count) 1717 { 1718 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); 1719 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); 1720 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); 1721 ib->ptr[ib->length_dw++] = src_data; 1722 ib->ptr[ib->length_dw++] = byte_count - 1; 1723 } 1724 1725 static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = { 1726 .copy_max_bytes = 0x400000, 1727 .copy_num_dw = 7, 1728 .emit_copy_buffer = sdma_v4_0_emit_copy_buffer, 1729 1730 .fill_max_bytes = 0x400000, 1731 .fill_num_dw = 5, 1732 .emit_fill_buffer = sdma_v4_0_emit_fill_buffer, 1733 }; 1734 1735 static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev) 1736 { 1737 if (adev->mman.buffer_funcs == NULL) { 1738 adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs; 1739 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; 1740 } 1741 } 1742 1743 static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = { 1744 .copy_pte_num_dw = 7, 1745 .copy_pte = sdma_v4_0_vm_copy_pte, 1746 1747 .write_pte = sdma_v4_0_vm_write_pte, 1748 .set_pte_pde = sdma_v4_0_vm_set_pte_pde, 1749 }; 1750 1751 static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev) 1752 { 1753 unsigned i; 1754 1755 if (adev->vm_manager.vm_pte_funcs == NULL) { 1756 adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs; 1757 for (i = 0; i < adev->sdma.num_instances; i++) 1758 adev->vm_manager.vm_pte_rings[i] = 1759 &adev->sdma.instance[i].ring; 1760 1761 adev->vm_manager.vm_pte_num_rings = adev->sdma.num_instances; 1762 } 1763 } 1764 1765 const struct amdgpu_ip_block_version sdma_v4_0_ip_block = { 1766 .type = AMD_IP_BLOCK_TYPE_SDMA, 1767 .major = 4, 1768 .minor = 0, 1769 .rev = 0, 1770 .funcs = &sdma_v4_0_ip_funcs, 1771 }; 1772