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_get_reply(struct snd_sof_dev *sdev)
53 {
54 	struct snd_sof_ipc_msg *msg = sdev->msg;
55 	struct sof_ipc_reply reply;
56 	int ret = 0;
57 
58 	if (!msg) {
59 		dev_warn(sdev->dev, "unexpected ipc interrupt\n");
60 		return;
61 	}
62 
63 	/* get reply */
64 	sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
65 	if (reply.error < 0) {
66 		memcpy(msg->reply_data, &reply, sizeof(reply));
67 		ret = reply.error;
68 	} else {
69 		/* reply has correct size? */
70 		if (reply.hdr.size != msg->reply_size) {
71 			dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
72 				msg->reply_size, reply.hdr.size);
73 			ret = -EINVAL;
74 		}
75 
76 		/* read the message */
77 		if (msg->reply_size > 0)
78 			sof_mailbox_read(sdev, sdev->host_box.offset,
79 					 msg->reply_data, msg->reply_size);
80 	}
81 
82 	msg->reply_error = ret;
83 }
84 
85 static void mt8195_dsp_handle_reply(struct mtk_adsp_ipc *ipc)
86 {
87 	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
88 	unsigned long flags;
89 
90 	spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
91 	mt8195_get_reply(priv->sdev);
92 	snd_sof_ipc_reply(priv->sdev, 0);
93 	spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
94 }
95 
96 static void mt8195_dsp_handle_request(struct mtk_adsp_ipc *ipc)
97 {
98 	struct adsp_priv *priv = mtk_adsp_ipc_get_data(ipc);
99 	u32 p; /* panic code */
100 	int ret;
101 
102 	/* Read the message from the debug box. */
103 	sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4,
104 			 &p, sizeof(p));
105 
106 	/* Check to see if the message is a panic code 0x0dead*** */
107 	if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
108 		snd_sof_dsp_panic(priv->sdev, p, true);
109 	} else {
110 		snd_sof_ipc_msgs_rx(priv->sdev);
111 
112 		/* tell DSP cmd is done */
113 		ret = mtk_adsp_ipc_send(priv->dsp_ipc, MTK_ADSP_IPC_RSP, MTK_ADSP_IPC_OP_RSP);
114 		if (ret)
115 			dev_err(priv->dev, "request send ipc failed");
116 	}
117 }
118 
119 static struct mtk_adsp_ipc_ops dsp_ops = {
120 	.handle_reply		= mt8195_dsp_handle_reply,
121 	.handle_request		= mt8195_dsp_handle_request,
122 };
123 
124 static int platform_parse_resource(struct platform_device *pdev, void *data)
125 {
126 	struct resource *mmio;
127 	struct resource res;
128 	struct device_node *mem_region;
129 	struct device *dev = &pdev->dev;
130 	struct mtk_adsp_chip_info *adsp = data;
131 	int ret;
132 
133 	mem_region = of_parse_phandle(dev->of_node, "memory-region", 0);
134 	if (!mem_region) {
135 		dev_err(dev, "no dma memory-region phandle\n");
136 		return -ENODEV;
137 	}
138 
139 	ret = of_address_to_resource(mem_region, 0, &res);
140 	of_node_put(mem_region);
141 	if (ret) {
142 		dev_err(dev, "of_address_to_resource dma failed\n");
143 		return ret;
144 	}
145 
146 	dev_dbg(dev, "DMA %pR\n", &res);
147 
148 	adsp->pa_shared_dram = (phys_addr_t)res.start;
149 	adsp->shared_size = resource_size(&res);
150 	if (adsp->pa_shared_dram & DRAM_REMAP_MASK) {
151 		dev_err(dev, "adsp shared dma memory(%#x) is not 4K-aligned\n",
152 			(u32)adsp->pa_shared_dram);
153 		return -EINVAL;
154 	}
155 
156 	ret = of_reserved_mem_device_init(dev);
157 	if (ret) {
158 		dev_err(dev, "of_reserved_mem_device_init failed\n");
159 		return ret;
160 	}
161 
162 	mem_region = of_parse_phandle(dev->of_node, "memory-region", 1);
163 	if (!mem_region) {
164 		dev_err(dev, "no memory-region sysmem phandle\n");
165 		return -ENODEV;
166 	}
167 
168 	ret = of_address_to_resource(mem_region, 0, &res);
169 	of_node_put(mem_region);
170 	if (ret) {
171 		dev_err(dev, "of_address_to_resource sysmem failed\n");
172 		return ret;
173 	}
174 
175 	adsp->pa_dram = (phys_addr_t)res.start;
176 	adsp->dramsize = resource_size(&res);
177 	if (adsp->pa_dram & DRAM_REMAP_MASK) {
178 		dev_err(dev, "adsp memory(%#x) is not 4K-aligned\n",
179 			(u32)adsp->pa_dram);
180 		return -EINVAL;
181 	}
182 
183 	if (adsp->dramsize < TOTAL_SIZE_SHARED_DRAM_FROM_TAIL) {
184 		dev_err(dev, "adsp memory(%#x) is not enough for share\n",
185 			adsp->dramsize);
186 		return -EINVAL;
187 	}
188 
189 	dev_dbg(dev, "dram pbase=%pa, dramsize=%#x\n",
190 		&adsp->pa_dram, adsp->dramsize);
191 
192 	/* Parse CFG base */
193 	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
194 	if (!mmio) {
195 		dev_err(dev, "no ADSP-CFG register resource\n");
196 		return -ENXIO;
197 	}
198 	/* remap for DSP register accessing */
199 	adsp->va_cfgreg = devm_ioremap_resource(dev, mmio);
200 	if (IS_ERR(adsp->va_cfgreg))
201 		return PTR_ERR(adsp->va_cfgreg);
202 
203 	adsp->pa_cfgreg = (phys_addr_t)mmio->start;
204 	adsp->cfgregsize = resource_size(mmio);
205 
206 	dev_dbg(dev, "cfgreg-vbase=%p, cfgregsize=%#x\n",
207 		adsp->va_cfgreg, adsp->cfgregsize);
208 
209 	/* Parse SRAM */
210 	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram");
211 	if (!mmio) {
212 		dev_err(dev, "no SRAM resource\n");
213 		return -ENXIO;
214 	}
215 
216 	adsp->pa_sram = (phys_addr_t)mmio->start;
217 	adsp->sramsize = resource_size(mmio);
218 
219 	dev_dbg(dev, "sram pbase=%pa,%#x\n", &adsp->pa_sram, adsp->sramsize);
220 
221 	return ret;
222 }
223 
224 static int adsp_sram_power_on(struct device *dev, bool on)
225 {
226 	void __iomem *va_dspsysreg;
227 	u32 srampool_con;
228 
229 	va_dspsysreg = ioremap(ADSP_SRAM_POOL_CON, 0x4);
230 	if (!va_dspsysreg) {
231 		dev_err(dev, "failed to ioremap sram pool base %#x\n",
232 			ADSP_SRAM_POOL_CON);
233 		return -ENOMEM;
234 	}
235 
236 	srampool_con = readl(va_dspsysreg);
237 	if (on)
238 		writel(srampool_con & ~DSP_SRAM_POOL_PD_MASK, va_dspsysreg);
239 	else
240 		writel(srampool_con | DSP_SRAM_POOL_PD_MASK, va_dspsysreg);
241 
242 	iounmap(va_dspsysreg);
243 	return 0;
244 }
245 
246 /*  Init the basic DSP DRAM address */
247 static int adsp_memory_remap_init(struct device *dev, struct mtk_adsp_chip_info *adsp)
248 {
249 	void __iomem *vaddr_emi_map;
250 	int offset;
251 
252 	if (!adsp)
253 		return -ENXIO;
254 
255 	vaddr_emi_map = devm_ioremap(dev, DSP_EMI_MAP_ADDR, 0x4);
256 	if (!vaddr_emi_map) {
257 		dev_err(dev, "failed to ioremap emi map base %#x\n",
258 			DSP_EMI_MAP_ADDR);
259 		return -ENOMEM;
260 	}
261 
262 	offset = adsp->pa_dram - DRAM_PHYS_BASE_FROM_DSP_VIEW;
263 	adsp->dram_offset = offset;
264 	offset >>= DRAM_REMAP_SHIFT;
265 	dev_dbg(dev, "adsp->pa_dram %pa, offset %#x\n", &adsp->pa_dram, offset);
266 	writel(offset, vaddr_emi_map);
267 	if (offset != readl(vaddr_emi_map)) {
268 		dev_err(dev, "write emi map fail : %#x\n", readl(vaddr_emi_map));
269 		return -EIO;
270 	}
271 
272 	return 0;
273 }
274 
275 static int adsp_shared_base_ioremap(struct platform_device *pdev, void *data)
276 {
277 	struct device *dev = &pdev->dev;
278 	struct mtk_adsp_chip_info *adsp = data;
279 
280 	/* remap shared-dram base to be non-cachable */
281 	adsp->shared_dram = devm_ioremap(dev, adsp->pa_shared_dram,
282 					 adsp->shared_size);
283 	if (!adsp->shared_dram) {
284 		dev_err(dev, "failed to ioremap base %pa size %#x\n",
285 			adsp->shared_dram, adsp->shared_size);
286 		return -ENOMEM;
287 	}
288 
289 	dev_dbg(dev, "shared-dram vbase=%p, phy addr :%pa,  size=%#x\n",
290 		adsp->shared_dram, &adsp->pa_shared_dram, adsp->shared_size);
291 
292 	return 0;
293 }
294 
295 static int mt8195_run(struct snd_sof_dev *sdev)
296 {
297 	u32 adsp_bootup_addr;
298 
299 	adsp_bootup_addr = SRAM_PHYS_BASE_FROM_DSP_VIEW;
300 	dev_dbg(sdev->dev, "HIFIxDSP boot from base : 0x%08X\n", adsp_bootup_addr);
301 	sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr);
302 
303 	return 0;
304 }
305 
306 static int mt8195_dsp_probe(struct snd_sof_dev *sdev)
307 {
308 	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
309 	struct adsp_priv *priv;
310 	int ret;
311 
312 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
313 	if (!priv)
314 		return -ENOMEM;
315 
316 	sdev->pdata->hw_pdata = priv;
317 	priv->dev = sdev->dev;
318 	priv->sdev = sdev;
319 
320 	priv->adsp = devm_kzalloc(&pdev->dev, sizeof(struct mtk_adsp_chip_info), GFP_KERNEL);
321 	if (!priv->adsp)
322 		return -ENOMEM;
323 
324 	ret = platform_parse_resource(pdev, priv->adsp);
325 	if (ret)
326 		return ret;
327 
328 	ret = mt8195_adsp_init_clock(sdev);
329 	if (ret) {
330 		dev_err(sdev->dev, "mt8195_adsp_init_clock failed\n");
331 		return -EINVAL;
332 	}
333 
334 	ret = adsp_clock_on(sdev);
335 	if (ret) {
336 		dev_err(sdev->dev, "adsp_clock_on fail!\n");
337 		return -EINVAL;
338 	}
339 
340 	ret = adsp_sram_power_on(sdev->dev, true);
341 	if (ret) {
342 		dev_err(sdev->dev, "adsp_sram_power_on fail!\n");
343 		goto exit_clk_disable;
344 	}
345 
346 	ret = adsp_memory_remap_init(&pdev->dev, priv->adsp);
347 	if (ret) {
348 		dev_err(sdev->dev, "adsp_memory_remap_init fail!\n");
349 		goto err_adsp_sram_power_off;
350 	}
351 
352 	sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev,
353 						       priv->adsp->pa_sram,
354 						       priv->adsp->sramsize);
355 	if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) {
356 		dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
357 			&priv->adsp->pa_sram, priv->adsp->sramsize);
358 		ret = -EINVAL;
359 		goto err_adsp_sram_power_off;
360 	}
361 
362 	priv->adsp->va_sram = sdev->bar[SOF_FW_BLK_TYPE_IRAM];
363 
364 	sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap(sdev->dev,
365 						       priv->adsp->pa_dram,
366 						       priv->adsp->dramsize);
367 	if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) {
368 		dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
369 			&priv->adsp->pa_dram, priv->adsp->dramsize);
370 		ret = -EINVAL;
371 		goto err_adsp_sram_power_off;
372 	}
373 	priv->adsp->va_dram = sdev->bar[SOF_FW_BLK_TYPE_SRAM];
374 
375 	ret = adsp_shared_base_ioremap(pdev, priv->adsp);
376 	if (ret) {
377 		dev_err(sdev->dev, "adsp_shared_base_ioremap fail!\n");
378 		goto err_adsp_sram_power_off;
379 	}
380 
381 	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;
382 
383 	sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM;
384 	sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM;
385 
386 	/* set default mailbox offset for FW ready message */
387 	sdev->dsp_box.offset = mt8195_get_mailbox_offset(sdev);
388 
389 	priv->ipc_dev = platform_device_register_data(&pdev->dev, "mtk-adsp-ipc",
390 						      PLATFORM_DEVID_NONE,
391 						      pdev, sizeof(*pdev));
392 	if (IS_ERR(priv->ipc_dev)) {
393 		ret = PTR_ERR(priv->ipc_dev);
394 		dev_err(sdev->dev, "failed to register mtk-adsp-ipc device\n");
395 		goto err_adsp_sram_power_off;
396 	}
397 
398 	priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev);
399 	if (!priv->dsp_ipc) {
400 		ret = -EPROBE_DEFER;
401 		dev_err(sdev->dev, "failed to get drvdata\n");
402 		goto exit_pdev_unregister;
403 	}
404 
405 	mtk_adsp_ipc_set_data(priv->dsp_ipc, priv);
406 	priv->dsp_ipc->ops = &dsp_ops;
407 
408 	return 0;
409 
410 exit_pdev_unregister:
411 	platform_device_unregister(priv->ipc_dev);
412 err_adsp_sram_power_off:
413 	adsp_sram_power_on(&pdev->dev, false);
414 exit_clk_disable:
415 	adsp_clock_off(sdev);
416 
417 	return ret;
418 }
419 
420 static int mt8195_dsp_shutdown(struct snd_sof_dev *sdev)
421 {
422 	return snd_sof_suspend(sdev->dev);
423 }
424 
425 static int mt8195_dsp_remove(struct snd_sof_dev *sdev)
426 {
427 	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
428 	struct adsp_priv *priv = sdev->pdata->hw_pdata;
429 
430 	platform_device_unregister(priv->ipc_dev);
431 	adsp_sram_power_on(&pdev->dev, false);
432 	adsp_clock_off(sdev);
433 
434 	return 0;
435 }
436 
437 static int mt8195_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
438 {
439 	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
440 	int ret;
441 	u32 reset_sw, dbg_pc;
442 
443 	/* wait dsp enter idle, timeout is 1 second */
444 	ret = snd_sof_dsp_read_poll_timeout(sdev, DSP_REG_BAR,
445 					    DSP_RESET_SW, reset_sw,
446 					    ((reset_sw & ADSP_PWAIT) == ADSP_PWAIT),
447 					    SUSPEND_DSP_IDLE_POLL_INTERVAL_US,
448 					    SUSPEND_DSP_IDLE_TIMEOUT_US);
449 	if (ret < 0) {
450 		dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
451 		dev_warn(sdev->dev, "dsp not idle, powering off anyway : swrest %#x, pc %#x, ret %d\n",
452 			 reset_sw, dbg_pc, ret);
453 	}
454 
455 	/* stall and reset dsp */
456 	sof_hifixdsp_shutdown(sdev);
457 
458 	/* power down adsp sram */
459 	ret = adsp_sram_power_on(&pdev->dev, false);
460 	if (ret) {
461 		dev_err(sdev->dev, "adsp_sram_power_off fail!\n");
462 		return ret;
463 	}
464 
465 	/* turn off adsp clock */
466 	return adsp_clock_off(sdev);
467 }
468 
469 static int mt8195_dsp_resume(struct snd_sof_dev *sdev)
470 {
471 	int ret;
472 
473 	/* turn on adsp clock */
474 	ret = adsp_clock_on(sdev);
475 	if (ret) {
476 		dev_err(sdev->dev, "adsp_clock_on fail!\n");
477 		return ret;
478 	}
479 
480 	/* power on adsp sram */
481 	ret = adsp_sram_power_on(sdev->dev, true);
482 	if (ret)
483 		dev_err(sdev->dev, "adsp_sram_power_on fail!\n");
484 
485 	return ret;
486 }
487 
488 /* on mt8195 there is 1 to 1 match between type and BAR idx */
489 static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type)
490 {
491 	return type;
492 }
493 
494 static int mt8195_pcm_hw_params(struct snd_sof_dev *sdev,
495 				struct snd_pcm_substream *substream,
496 				struct snd_pcm_hw_params *params,
497 				struct snd_sof_platform_stream_params *platform_params)
498 {
499 	platform_params->cont_update_posn = 1;
500 
501 	return 0;
502 }
503 
504 static snd_pcm_uframes_t mt8195_pcm_pointer(struct snd_sof_dev *sdev,
505 					    struct snd_pcm_substream *substream)
506 {
507 	int ret;
508 	snd_pcm_uframes_t pos;
509 	struct snd_sof_pcm *spcm;
510 	struct sof_ipc_stream_posn posn;
511 	struct snd_sof_pcm_stream *stream;
512 	struct snd_soc_component *scomp = sdev->component;
513 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
514 
515 	spcm = snd_sof_find_spcm_dai(scomp, rtd);
516 	if (!spcm) {
517 		dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n",
518 				     rtd->dai_link->id);
519 		return 0;
520 	}
521 
522 	stream = &spcm->stream[substream->stream];
523 	ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn));
524 	if (ret < 0) {
525 		dev_warn(sdev->dev, "failed to read stream position: %d\n", ret);
526 		return 0;
527 	}
528 
529 	memcpy(&stream->posn, &posn, sizeof(posn));
530 	pos = spcm->stream[substream->stream].posn.host_posn;
531 	pos = bytes_to_frames(substream->runtime, pos);
532 
533 	return pos;
534 }
535 
536 static void mt8195_adsp_dump(struct snd_sof_dev *sdev, u32 flags)
537 {
538 	u32 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, dbg_inst;
539 	u32 dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo, swrest;
540 
541 	/* dump debug registers */
542 	dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
543 	dbg_data = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGDATA);
544 	dbg_bus0 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS0);
545 	dbg_bus1 = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGBUS1);
546 	dbg_inst = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGINST);
547 	dbg_ls0stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS0STAT);
548 	dbg_ls1stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS1STAT);
549 	faultbus = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTBUS);
550 	faultinfo = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTINFO);
551 	swrest = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_RESET_SW);
552 
553 	dev_info(sdev->dev, "adsp dump : pc %#x, data %#x, bus0 %#x, bus1 %#x, swrest %#x",
554 		 dbg_pc, dbg_data, dbg_bus0, dbg_bus1, swrest);
555 	dev_info(sdev->dev, "dbg_inst %#x, ls0stat %#x, ls1stat %#x, faultbus %#x, faultinfo %#x",
556 		 dbg_inst, dbg_ls0stat, dbg_ls1stat, faultbus, faultinfo);
557 
558 	mtk_adsp_dump(sdev, flags);
559 }
560 
561 static struct snd_soc_dai_driver mt8195_dai[] = {
562 {
563 	.name = "SOF_DL2",
564 	.playback = {
565 		.channels_min = 1,
566 		.channels_max = 2,
567 	},
568 },
569 {
570 	.name = "SOF_DL3",
571 	.playback = {
572 		.channels_min = 1,
573 		.channels_max = 2,
574 	},
575 },
576 {
577 	.name = "SOF_UL4",
578 	.capture = {
579 		.channels_min = 1,
580 		.channels_max = 2,
581 	},
582 },
583 {
584 	.name = "SOF_UL5",
585 	.capture = {
586 		.channels_min = 1,
587 		.channels_max = 2,
588 	},
589 },
590 };
591 
592 /* mt8195 ops */
593 static struct snd_sof_dsp_ops sof_mt8195_ops = {
594 	/* probe and remove */
595 	.probe		= mt8195_dsp_probe,
596 	.remove		= mt8195_dsp_remove,
597 	.shutdown	= mt8195_dsp_shutdown,
598 
599 	/* DSP core boot */
600 	.run		= mt8195_run,
601 
602 	/* Block IO */
603 	.block_read	= sof_block_read,
604 	.block_write	= sof_block_write,
605 
606 	/* Mailbox IO */
607 	.mailbox_read	= sof_mailbox_read,
608 	.mailbox_write	= sof_mailbox_write,
609 
610 	/* Register IO */
611 	.write		= sof_io_write,
612 	.read		= sof_io_read,
613 	.write64	= sof_io_write64,
614 	.read64		= sof_io_read64,
615 
616 	/* ipc */
617 	.send_msg		= mt8195_send_msg,
618 	.get_mailbox_offset	= mt8195_get_mailbox_offset,
619 	.get_window_offset	= mt8195_get_window_offset,
620 	.ipc_msg_data		= sof_ipc_msg_data,
621 	.set_stream_data_offset = sof_set_stream_data_offset,
622 
623 	/* misc */
624 	.get_bar_index	= mt8195_get_bar_index,
625 
626 	/* stream callbacks */
627 	.pcm_open	= sof_stream_pcm_open,
628 	.pcm_hw_params	= mt8195_pcm_hw_params,
629 	.pcm_pointer	= mt8195_pcm_pointer,
630 	.pcm_close	= sof_stream_pcm_close,
631 
632 	/* firmware loading */
633 	.load_firmware	= snd_sof_load_firmware_memcpy,
634 
635 	/* Firmware ops */
636 	.dsp_arch_ops = &sof_xtensa_arch_ops,
637 
638 	/* Debug information */
639 	.dbg_dump = mt8195_adsp_dump,
640 	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
641 
642 	/* DAI drivers */
643 	.drv = mt8195_dai,
644 	.num_drv = ARRAY_SIZE(mt8195_dai),
645 
646 	/* PM */
647 	.suspend	= mt8195_dsp_suspend,
648 	.resume		= mt8195_dsp_resume,
649 
650 	/* ALSA HW info flags */
651 	.hw_info =	SNDRV_PCM_INFO_MMAP |
652 			SNDRV_PCM_INFO_MMAP_VALID |
653 			SNDRV_PCM_INFO_INTERLEAVED |
654 			SNDRV_PCM_INFO_PAUSE |
655 			SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
656 };
657 
658 static struct snd_sof_of_mach sof_mt8195_machs[] = {
659 	{
660 		.compatible = "google,tomato",
661 		.sof_tplg_filename = "sof-mt8195-mt6359-rt1019-rt5682-dts.tplg"
662 	}, {
663 		.compatible = "mediatek,mt8195",
664 		.sof_tplg_filename = "sof-mt8195.tplg"
665 	}, {
666 		/* sentinel */
667 	}
668 };
669 
670 static const struct sof_dev_desc sof_of_mt8195_desc = {
671 	.of_machines = sof_mt8195_machs,
672 	.ipc_supported_mask	= BIT(SOF_IPC),
673 	.ipc_default		= SOF_IPC,
674 	.default_fw_path = {
675 		[SOF_IPC] = "mediatek/sof",
676 	},
677 	.default_tplg_path = {
678 		[SOF_IPC] = "mediatek/sof-tplg",
679 	},
680 	.default_fw_filename = {
681 		[SOF_IPC] = "sof-mt8195.ri",
682 	},
683 	.nocodec_tplg_filename = "sof-mt8195-nocodec.tplg",
684 	.ops = &sof_mt8195_ops,
685 	.ipc_timeout = 1000,
686 };
687 
688 static const struct of_device_id sof_of_mt8195_ids[] = {
689 	{ .compatible = "mediatek,mt8195-dsp", .data = &sof_of_mt8195_desc},
690 	{ }
691 };
692 MODULE_DEVICE_TABLE(of, sof_of_mt8195_ids);
693 
694 /* DT driver definition */
695 static struct platform_driver snd_sof_of_mt8195_driver = {
696 	.probe = sof_of_probe,
697 	.remove = sof_of_remove,
698 	.shutdown = sof_of_shutdown,
699 	.driver = {
700 	.name = "sof-audio-of-mt8195",
701 		.pm = &sof_of_pm,
702 		.of_match_table = sof_of_mt8195_ids,
703 	},
704 };
705 module_platform_driver(snd_sof_of_mt8195_driver);
706 
707 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
708 MODULE_IMPORT_NS(SND_SOC_SOF_MTK_COMMON);
709 MODULE_LICENSE("Dual BSD/GPL");
710