1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // Copyright(c) 2021 Mediatek Inc. All rights reserved. 4 // 5 // Author: YC Hung <yc.hung@mediatek.com> 6 // 7 8 /* 9 * Hardware interface for audio DSP on mt8195 10 */ 11 12 #include <linux/delay.h> 13 #include <linux/firmware.h> 14 #include <linux/io.h> 15 #include <linux/of_address.h> 16 #include <linux/of_irq.h> 17 #include <linux/of_platform.h> 18 #include <linux/of_reserved_mem.h> 19 #include <linux/module.h> 20 21 #include <sound/sof.h> 22 #include <sound/sof/xtensa.h> 23 #include "../../ops.h" 24 #include "../../sof-of-dev.h" 25 #include "../../sof-audio.h" 26 #include "../adsp_helper.h" 27 #include "../mtk-adsp-common.h" 28 #include "mt8195.h" 29 #include "mt8195-clk.h" 30 31 static int mt8195_get_mailbox_offset(struct snd_sof_dev *sdev) 32 { 33 return MBOX_OFFSET; 34 } 35 36 static int mt8195_get_window_offset(struct snd_sof_dev *sdev, u32 id) 37 { 38 return MBOX_OFFSET; 39 } 40 41 static int mt8195_send_msg(struct snd_sof_dev *sdev, 42 struct snd_sof_ipc_msg *msg) 43 { 44 struct adsp_priv *priv = sdev->pdata->hw_pdata; 45 46 sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data, 47 msg->msg_size); 48 49 return mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_REQ, MTK_ADSP_IPC_OP_REQ); 50 } 51 52 static void mt8195_dsp_handle_reply(struct mtk_adsp_ipc *ipc) 53 { 54 struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc); 55 unsigned long flags; 56 57 spin_lock_irqsave(&priv->sdev->ipc_lock, flags); 58 snd_sof_ipc_process_reply(priv->sdev, 0); 59 spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags); 60 } 61 62 static void mt8195_dsp_handle_request(struct mtk_adsp_ipc *ipc) 63 { 64 struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc); 65 u32 p; /* panic code */ 66 int ret; 67 68 /* Read the message from the debug box. */ 69 sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4, 70 &p, sizeof(p)); 71 72 /* Check to see if the message is a panic code 0x0dead*** */ 73 if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) { 74 snd_sof_dsp_panic(priv->sdev, p, true); 75 } else { 76 snd_sof_ipc_msgs_rx(priv->sdev); 77 78 /* tell DSP cmd is done */ 79 ret = mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_RSP, MTK_ADSP_IPC_OP_RSP); 80 if (ret) 81 dev_err(priv->dev, "request send ipc failed"); 82 } 83 } 84 85 static const struct mtk_adsp_ipc_ops dsp_ops = { 86 .handle_reply = mt8195_dsp_handle_reply, 87 .handle_request = mt8195_dsp_handle_request, 88 }; 89 90 static int platform_parse_resource(struct platform_device *pdev, void *data) 91 { 92 struct resource *mmio; 93 struct resource res; 94 struct device_node *mem_region; 95 struct device *dev = &pdev->dev; 96 struct mtk_adsp_chip_info *adsp = data; 97 int ret; 98 99 ret = of_reserved_mem_device_init(dev); 100 if (ret) { 101 dev_err(dev, "of_reserved_mem_device_init failed\n"); 102 return ret; 103 } 104 105 mem_region = of_parse_phandle(dev->of_node, "memory-region", 1); 106 if (!mem_region) { 107 dev_err(dev, "no memory-region sysmem phandle\n"); 108 return -ENODEV; 109 } 110 111 ret = of_address_to_resource(mem_region, 0, &res); 112 of_node_put(mem_region); 113 if (ret) { 114 dev_err(dev, "of_address_to_resource sysmem failed\n"); 115 return ret; 116 } 117 118 adsp->pa_dram = (phys_addr_t)res.start; 119 adsp->dramsize = resource_size(&res); 120 if (adsp->pa_dram & DRAM_REMAP_MASK) { 121 dev_err(dev, "adsp memory(%#x) is not 4K-aligned\n", 122 (u32)adsp->pa_dram); 123 return -EINVAL; 124 } 125 126 if (adsp->dramsize < TOTAL_SIZE_SHARED_DRAM_FROM_TAIL) { 127 dev_err(dev, "adsp memory(%#x) is not enough for share\n", 128 adsp->dramsize); 129 return -EINVAL; 130 } 131 132 dev_dbg(dev, "dram pbase=%pa, dramsize=%#x\n", 133 &adsp->pa_dram, adsp->dramsize); 134 135 /* Parse CFG base */ 136 mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg"); 137 if (!mmio) { 138 dev_err(dev, "no ADSP-CFG register resource\n"); 139 return -ENXIO; 140 } 141 /* remap for DSP register accessing */ 142 adsp->va_cfgreg = devm_ioremap_resource(dev, mmio); 143 if (IS_ERR(adsp->va_cfgreg)) 144 return PTR_ERR(adsp->va_cfgreg); 145 146 adsp->pa_cfgreg = (phys_addr_t)mmio->start; 147 adsp->cfgregsize = resource_size(mmio); 148 149 dev_dbg(dev, "cfgreg-vbase=%p, cfgregsize=%#x\n", 150 adsp->va_cfgreg, adsp->cfgregsize); 151 152 /* Parse SRAM */ 153 mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram"); 154 if (!mmio) { 155 dev_err(dev, "no SRAM resource\n"); 156 return -ENXIO; 157 } 158 159 adsp->pa_sram = (phys_addr_t)mmio->start; 160 adsp->sramsize = resource_size(mmio); 161 162 dev_dbg(dev, "sram pbase=%pa,%#x\n", &adsp->pa_sram, adsp->sramsize); 163 164 return ret; 165 } 166 167 static int adsp_sram_power_on(struct device *dev, bool on) 168 { 169 void __iomem *va_dspsysreg; 170 u32 srampool_con; 171 172 va_dspsysreg = ioremap(ADSP_SRAM_POOL_CON, 0x4); 173 if (!va_dspsysreg) { 174 dev_err(dev, "failed to ioremap sram pool base %#x\n", 175 ADSP_SRAM_POOL_CON); 176 return -ENOMEM; 177 } 178 179 srampool_con = readl(va_dspsysreg); 180 if (on) 181 writel(srampool_con & ~DSP_SRAM_POOL_PD_MASK, va_dspsysreg); 182 else 183 writel(srampool_con | DSP_SRAM_POOL_PD_MASK, va_dspsysreg); 184 185 iounmap(va_dspsysreg); 186 return 0; 187 } 188 189 /* Init the basic DSP DRAM address */ 190 static int adsp_memory_remap_init(struct device *dev, struct mtk_adsp_chip_info *adsp) 191 { 192 void __iomem *vaddr_emi_map; 193 int offset; 194 195 if (!adsp) 196 return -ENXIO; 197 198 vaddr_emi_map = devm_ioremap(dev, DSP_EMI_MAP_ADDR, 0x4); 199 if (!vaddr_emi_map) { 200 dev_err(dev, "failed to ioremap emi map base %#x\n", 201 DSP_EMI_MAP_ADDR); 202 return -ENOMEM; 203 } 204 205 offset = adsp->pa_dram - DRAM_PHYS_BASE_FROM_DSP_VIEW; 206 adsp->dram_offset = offset; 207 offset >>= DRAM_REMAP_SHIFT; 208 dev_dbg(dev, "adsp->pa_dram %pa, offset %#x\n", &adsp->pa_dram, offset); 209 writel(offset, vaddr_emi_map); 210 if (offset != readl(vaddr_emi_map)) { 211 dev_err(dev, "write emi map fail : %#x\n", readl(vaddr_emi_map)); 212 return -EIO; 213 } 214 215 return 0; 216 } 217 218 static int mt8195_run(struct snd_sof_dev *sdev) 219 { 220 u32 adsp_bootup_addr; 221 222 adsp_bootup_addr = SRAM_PHYS_BASE_FROM_DSP_VIEW; 223 dev_dbg(sdev->dev, "HIFIxDSP boot from base : 0x%08X\n", adsp_bootup_addr); 224 sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr); 225 226 return 0; 227 } 228 229 static int mt8195_dsp_probe(struct snd_sof_dev *sdev) 230 { 231 struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev); 232 struct adsp_priv *priv; 233 int ret; 234 235 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 236 if (!priv) 237 return -ENOMEM; 238 239 sdev->pdata->hw_pdata = priv; 240 priv->dev = sdev->dev; 241 priv->sdev = sdev; 242 243 priv->adsp = devm_kzalloc(&pdev->dev, sizeof(struct mtk_adsp_chip_info), GFP_KERNEL); 244 if (!priv->adsp) 245 return -ENOMEM; 246 247 ret = platform_parse_resource(pdev, priv->adsp); 248 if (ret) 249 return ret; 250 251 ret = mt8195_adsp_init_clock(sdev); 252 if (ret) { 253 dev_err(sdev->dev, "mt8195_adsp_init_clock failed\n"); 254 return -EINVAL; 255 } 256 257 ret = adsp_clock_on(sdev); 258 if (ret) { 259 dev_err(sdev->dev, "adsp_clock_on fail!\n"); 260 return -EINVAL; 261 } 262 263 ret = adsp_sram_power_on(sdev->dev, true); 264 if (ret) { 265 dev_err(sdev->dev, "adsp_sram_power_on fail!\n"); 266 goto exit_clk_disable; 267 } 268 269 ret = adsp_memory_remap_init(&pdev->dev, priv->adsp); 270 if (ret) { 271 dev_err(sdev->dev, "adsp_memory_remap_init fail!\n"); 272 goto err_adsp_sram_power_off; 273 } 274 275 sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev, 276 priv->adsp->pa_sram, 277 priv->adsp->sramsize); 278 if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) { 279 dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n", 280 &priv->adsp->pa_sram, priv->adsp->sramsize); 281 ret = -EINVAL; 282 goto err_adsp_sram_power_off; 283 } 284 285 priv->adsp->va_sram = sdev->bar[SOF_FW_BLK_TYPE_IRAM]; 286 287 sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap(sdev->dev, 288 priv->adsp->pa_dram, 289 priv->adsp->dramsize); 290 if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) { 291 dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n", 292 &priv->adsp->pa_dram, priv->adsp->dramsize); 293 ret = -EINVAL; 294 goto err_adsp_sram_power_off; 295 } 296 priv->adsp->va_dram = sdev->bar[SOF_FW_BLK_TYPE_SRAM]; 297 298 sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg; 299 300 sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM; 301 sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM; 302 303 /* set default mailbox offset for FW ready message */ 304 sdev->dsp_box.offset = mt8195_get_mailbox_offset(sdev); 305 306 priv->ipc_dev = platform_device_register_data(&pdev->dev, "mtk-adsp-ipc", 307 PLATFORM_DEVID_NONE, 308 pdev, sizeof(*pdev)); 309 if (IS_ERR(priv->ipc_dev)) { 310 ret = PTR_ERR(priv->ipc_dev); 311 dev_err(sdev->dev, "failed to register mtk-adsp-ipc device\n"); 312 goto err_adsp_sram_power_off; 313 } 314 315 priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev); 316 if (!priv->dsp_ipc) { 317 ret = -EPROBE_DEFER; 318 dev_err(sdev->dev, "failed to get drvdata\n"); 319 goto exit_pdev_unregister; 320 } 321 322 mtk_adsp_ipc_set_data(priv->dsp_ipc, priv); 323 priv->dsp_ipc->ops = &dsp_ops; 324 325 return 0; 326 327 exit_pdev_unregister: 328 platform_device_unregister(priv->ipc_dev); 329 err_adsp_sram_power_off: 330 adsp_sram_power_on(&pdev->dev, false); 331 exit_clk_disable: 332 adsp_clock_off(sdev); 333 334 return ret; 335 } 336 337 static int mt8195_dsp_shutdown(struct snd_sof_dev *sdev) 338 { 339 return snd_sof_suspend(sdev->dev); 340 } 341 342 static void mt8195_dsp_remove(struct snd_sof_dev *sdev) 343 { 344 struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev); 345 struct adsp_priv *priv = sdev->pdata->hw_pdata; 346 347 platform_device_unregister(priv->ipc_dev); 348 adsp_sram_power_on(&pdev->dev, false); 349 adsp_clock_off(sdev); 350 } 351 352 static int mt8195_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state) 353 { 354 struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev); 355 int ret; 356 u32 reset_sw, dbg_pc; 357 358 /* wait dsp enter idle, timeout is 1 second */ 359 ret = snd_sof_dsp_read_poll_timeout(sdev, DSP_REG_BAR, 360 DSP_RESET_SW, reset_sw, 361 ((reset_sw & ADSP_PWAIT) == ADSP_PWAIT), 362 SUSPEND_DSP_IDLE_POLL_INTERVAL_US, 363 SUSPEND_DSP_IDLE_TIMEOUT_US); 364 if (ret < 0) { 365 dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC); 366 dev_warn(sdev->dev, "dsp not idle, powering off anyway : swrest %#x, pc %#x, ret %d\n", 367 reset_sw, dbg_pc, ret); 368 } 369 370 /* stall and reset dsp */ 371 sof_hifixdsp_shutdown(sdev); 372 373 /* power down adsp sram */ 374 ret = adsp_sram_power_on(&pdev->dev, false); 375 if (ret) { 376 dev_err(sdev->dev, "adsp_sram_power_off fail!\n"); 377 return ret; 378 } 379 380 /* turn off adsp clock */ 381 return adsp_clock_off(sdev); 382 } 383 384 static int mt8195_dsp_resume(struct snd_sof_dev *sdev) 385 { 386 int ret; 387 388 /* turn on adsp clock */ 389 ret = adsp_clock_on(sdev); 390 if (ret) { 391 dev_err(sdev->dev, "adsp_clock_on fail!\n"); 392 return ret; 393 } 394 395 /* power on adsp sram */ 396 ret = adsp_sram_power_on(sdev->dev, true); 397 if (ret) 398 dev_err(sdev->dev, "adsp_sram_power_on fail!\n"); 399 400 return ret; 401 } 402 403 /* on mt8195 there is 1 to 1 match between type and BAR idx */ 404 static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type) 405 { 406 return type; 407 } 408 409 static int mt8195_pcm_hw_params(struct snd_sof_dev *sdev, 410 struct snd_pcm_substream *substream, 411 struct snd_pcm_hw_params *params, 412 struct snd_sof_platform_stream_params *platform_params) 413 { 414 platform_params->cont_update_posn = 1; 415 416 return 0; 417 } 418 419 static snd_pcm_uframes_t mt8195_pcm_pointer(struct snd_sof_dev *sdev, 420 struct snd_pcm_substream *substream) 421 { 422 int ret; 423 snd_pcm_uframes_t pos; 424 struct snd_sof_pcm *spcm; 425 struct sof_ipc_stream_posn posn; 426 struct snd_sof_pcm_stream *stream; 427 struct snd_soc_component *scomp = sdev->component; 428 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 429 430 spcm = snd_sof_find_spcm_dai(scomp, rtd); 431 if (!spcm) { 432 dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n", 433 rtd->dai_link->id); 434 return 0; 435 } 436 437 stream = &spcm->stream[substream->stream]; 438 ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn)); 439 if (ret < 0) { 440 dev_warn(sdev->dev, "failed to read stream position: %d\n", ret); 441 return 0; 442 } 443 444 memcpy(&stream->posn, &posn, sizeof(posn)); 445 pos = spcm->stream[substream->stream].posn.host_posn; 446 pos = bytes_to_frames(substream->runtime, pos); 447 448 return pos; 449 } 450 451 static void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags) 452 { 453 u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst; 454 u32 dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo, swrest; 455 456 /* dump debug registers */ 457 dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC); 458 dbg_data = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGDATA); 459 dbg_bus0 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS0); 460 dbg_bus1 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS1); 461 dbg_inst = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGINST); 462 dbg_ls0stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS0STAT); 463 dbg_ls1stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS1STAT); 464 faultbus = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTBUS); 465 faultinfo = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTINFO); 466 swrest = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_RESET_SW); 467 468 dev_info(sdev->dev, "adsp dump : pc %#x, data %#x, bus0 %#x, bus1 %#x, swrest %#x", 469 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, swrest); 470 dev_info(sdev->dev, "dbg_inst %#x, ls0stat %#x, ls1stat %#x, faultbus %#x, faultinfo %#x", 471 dbg_inst, dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo); 472 473 mtk_adsp_dump(sdev, flags); 474 } 475 476 static struct snd_soc_dai_driver mt8195_dai[] = { 477 { 478 .name = "SOF_DL2", 479 .playback = { 480 .channels_min = 1, 481 .channels_max = 2, 482 }, 483 }, 484 { 485 .name = "SOF_DL3", 486 .playback = { 487 .channels_min = 1, 488 .channels_max = 2, 489 }, 490 }, 491 { 492 .name = "SOF_UL4", 493 .capture = { 494 .channels_min = 1, 495 .channels_max = 2, 496 }, 497 }, 498 { 499 .name = "SOF_UL5", 500 .capture = { 501 .channels_min = 1, 502 .channels_max = 2, 503 }, 504 }, 505 }; 506 507 /* mt8195 ops */ 508 static const struct snd_sof_dsp_ops sof_mt8195_ops = { 509 /* probe and remove */ 510 .probe = mt8195_dsp_probe, 511 .remove = mt8195_dsp_remove, 512 .shutdown = mt8195_dsp_shutdown, 513 514 /* DSP core boot */ 515 .run = mt8195_run, 516 517 /* Block IO */ 518 .block_read = sof_block_read, 519 .block_write = sof_block_write, 520 521 /* Mailbox IO */ 522 .mailbox_read = sof_mailbox_read, 523 .mailbox_write = sof_mailbox_write, 524 525 /* Register IO */ 526 .write = sof_io_write, 527 .read = sof_io_read, 528 .write64 = sof_io_write64, 529 .read64 = sof_io_read64, 530 531 /* ipc */ 532 .send_msg = mt8195_send_msg, 533 .get_mailbox_offset = mt8195_get_mailbox_offset, 534 .get_window_offset = mt8195_get_window_offset, 535 .ipc_msg_data = sof_ipc_msg_data, 536 .set_stream_data_offset = sof_set_stream_data_offset, 537 538 /* misc */ 539 .get_bar_index = mt8195_get_bar_index, 540 541 /* stream callbacks */ 542 .pcm_open = sof_stream_pcm_open, 543 .pcm_hw_params = mt8195_pcm_hw_params, 544 .pcm_pointer = mt8195_pcm_pointer, 545 .pcm_close = sof_stream_pcm_close, 546 547 /* firmware loading */ 548 .load_firmware = snd_sof_load_firmware_memcpy, 549 550 /* Firmware ops */ 551 .dsp_arch_ops = &sof_xtensa_arch_ops, 552 553 /* Debug information */ 554 .dbg_dump = mt8195_adsp_dump, 555 .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem, 556 557 /* DAI drivers */ 558 .drv = mt8195_dai, 559 .num_drv = ARRAY_SIZE(mt8195_dai), 560 561 /* PM */ 562 .suspend = mt8195_dsp_suspend, 563 .resume = mt8195_dsp_resume, 564 565 /* ALSA HW info flags */ 566 .hw_info = SNDRV_PCM_INFO_MMAP | 567 SNDRV_PCM_INFO_MMAP_VALID | 568 SNDRV_PCM_INFO_INTERLEAVED | 569 SNDRV_PCM_INFO_PAUSE | 570 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, 571 }; 572 573 static struct snd_sof_of_mach sof_mt8195_machs[] = { 574 { 575 .compatible = "google,tomato", 576 .sof_tplg_filename = "sof-mt8195-mt6359-rt1019-rt5682.tplg" 577 }, { 578 .compatible = "google,dojo", 579 .sof_tplg_filename = "sof-mt8195-mt6359-max98390-rt5682.tplg" 580 }, { 581 .compatible = "mediatek,mt8195", 582 .sof_tplg_filename = "sof-mt8195.tplg" 583 }, { 584 /* sentinel */ 585 } 586 }; 587 588 static const struct sof_dev_desc sof_of_mt8195_desc = { 589 .of_machines = sof_mt8195_machs, 590 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3), 591 .ipc_default = SOF_IPC_TYPE_3, 592 .default_fw_path = { 593 [SOF_IPC_TYPE_3] = "mediatek/sof", 594 }, 595 .default_tplg_path = { 596 [SOF_IPC_TYPE_3] = "mediatek/sof-tplg", 597 }, 598 .default_fw_filename = { 599 [SOF_IPC_TYPE_3] = "sof-mt8195.ri", 600 }, 601 .nocodec_tplg_filename = "sof-mt8195-nocodec.tplg", 602 .ops = &sof_mt8195_ops, 603 .ipc_timeout = 1000, 604 }; 605 606 static const struct of_device_id sof_of_mt8195_ids[] = { 607 { .compatible = "mediatek,mt8195-dsp", .data = &sof_of_mt8195_desc}, 608 { } 609 }; 610 MODULE_DEVICE_TABLE(of, sof_of_mt8195_ids); 611 612 /* DT driver definition */ 613 static struct platform_driver snd_sof_of_mt8195_driver = { 614 .probe = sof_of_probe, 615 .remove_new = sof_of_remove, 616 .shutdown = sof_of_shutdown, 617 .driver = { 618 .name = "sof-audio-of-mt8195", 619 .pm = &sof_of_pm, 620 .of_match_table = sof_of_mt8195_ids, 621 }, 622 }; 623 module_platform_driver(snd_sof_of_mt8195_driver); 624 625 MODULE_LICENSE("Dual BSD/GPL"); 626 MODULE_DESCRIPTION("SOF support for MTL 8195 platforms"); 627 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 628 MODULE_IMPORT_NS(SND_SOC_SOF_MTK_COMMON); 629