1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2//
3// Copyright(c) 2022 Mediatek Inc. All rights reserved.
4//
5// Author: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
6//         Tinghan Shen <tinghan.shen@mediatek.com>
7
8/*
9 * Hardware interface for audio DSP on mt8186
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 "mt8186.h"
29#include "mt8186-clk.h"
30
31static int mt8186_get_mailbox_offset(struct snd_sof_dev *sdev)
32{
33	return MBOX_OFFSET;
34}
35
36static int mt8186_get_window_offset(struct snd_sof_dev *sdev, u32 id)
37{
38	return MBOX_OFFSET;
39}
40
41static int mt8186_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
52static void mt8186_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
62static void mt8186_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
85static struct mtk_adsp_ipc_ops dsp_ops = {
86	.handle_reply		= mt8186_dsp_handle_reply,
87	.handle_request		= mt8186_dsp_handle_request,
88};
89
90static 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	mem_region = of_parse_phandle(dev->of_node, "memory-region", 0);
100	if (!mem_region) {
101		dev_err(dev, "no dma memory-region phandle\n");
102		return -ENODEV;
103	}
104
105	ret = of_address_to_resource(mem_region, 0, &res);
106	of_node_put(mem_region);
107	if (ret) {
108		dev_err(dev, "of_address_to_resource dma failed\n");
109		return ret;
110	}
111
112	dev_dbg(dev, "DMA %pR\n", &res);
113
114	adsp->pa_shared_dram = (phys_addr_t)res.start;
115	adsp->shared_size = resource_size(&res);
116	if (adsp->pa_shared_dram & DRAM_REMAP_MASK) {
117		dev_err(dev, "adsp shared dma memory(%#x) is not 4K-aligned\n",
118			(u32)adsp->pa_shared_dram);
119		return -EINVAL;
120	}
121
122	ret = of_reserved_mem_device_init(dev);
123	if (ret) {
124		dev_err(dev, "of_reserved_mem_device_init failed\n");
125		return ret;
126	}
127
128	mem_region = of_parse_phandle(dev->of_node, "memory-region", 1);
129	if (!mem_region) {
130		dev_err(dev, "no memory-region sysmem phandle\n");
131		return -ENODEV;
132	}
133
134	ret = of_address_to_resource(mem_region, 0, &res);
135	of_node_put(mem_region);
136	if (ret) {
137		dev_err(dev, "of_address_to_resource sysmem failed\n");
138		return ret;
139	}
140
141	adsp->pa_dram = (phys_addr_t)res.start;
142	if (adsp->pa_dram & DRAM_REMAP_MASK) {
143		dev_err(dev, "adsp memory(%#x) is not 4K-aligned\n",
144			(u32)adsp->pa_dram);
145		return -EINVAL;
146	}
147
148	adsp->dramsize = resource_size(&res);
149	if (adsp->dramsize < TOTAL_SIZE_SHARED_DRAM_FROM_TAIL) {
150		dev_err(dev, "adsp memory(%#x) is not enough for share\n",
151			adsp->dramsize);
152		return -EINVAL;
153	}
154
155	dev_dbg(dev, "dram pbase=%pa size=%#x\n", &adsp->pa_dram, adsp->dramsize);
156
157	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
158	if (!mmio) {
159		dev_err(dev, "no ADSP-CFG register resource\n");
160		return -ENXIO;
161	}
162
163	adsp->va_cfgreg = devm_ioremap_resource(dev, mmio);
164	if (IS_ERR(adsp->va_cfgreg))
165		return PTR_ERR(adsp->va_cfgreg);
166
167	adsp->pa_cfgreg = (phys_addr_t)mmio->start;
168	adsp->cfgregsize = resource_size(mmio);
169
170	dev_dbg(dev, "cfgreg pbase=%pa size=%#x\n", &adsp->pa_cfgreg, adsp->cfgregsize);
171
172	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram");
173	if (!mmio) {
174		dev_err(dev, "no SRAM resource\n");
175		return -ENXIO;
176	}
177
178	adsp->pa_sram = (phys_addr_t)mmio->start;
179	adsp->sramsize = resource_size(mmio);
180
181	dev_dbg(dev, "sram pbase=%pa size=%#x\n", &adsp->pa_sram, adsp->sramsize);
182
183	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sec");
184	if (!mmio) {
185		dev_err(dev, "no SEC register resource\n");
186		return -ENXIO;
187	}
188
189	adsp->va_secreg = devm_ioremap_resource(dev, mmio);
190	if (IS_ERR(adsp->va_secreg))
191		return PTR_ERR(adsp->va_secreg);
192
193	adsp->pa_secreg = (phys_addr_t)mmio->start;
194	adsp->secregsize = resource_size(mmio);
195
196	dev_dbg(dev, "secreg pbase=%pa size=%#x\n", &adsp->pa_secreg, adsp->secregsize);
197
198	mmio = platform_get_resource_byname(pdev, IORESOURCE_MEM, "bus");
199	if (!mmio) {
200		dev_err(dev, "no BUS register resource\n");
201		return -ENXIO;
202	}
203
204	adsp->va_busreg = devm_ioremap_resource(dev, mmio);
205	if (IS_ERR(adsp->va_busreg))
206		return PTR_ERR(adsp->va_busreg);
207
208	adsp->pa_busreg = (phys_addr_t)mmio->start;
209	adsp->busregsize = resource_size(mmio);
210
211	dev_dbg(dev, "busreg pbase=%pa size=%#x\n", &adsp->pa_busreg, adsp->busregsize);
212
213	return 0;
214}
215
216static void adsp_sram_power_on(struct snd_sof_dev *sdev)
217{
218	snd_sof_dsp_update_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_CON,
219				DSP_SRAM_POOL_PD_MASK, 0);
220}
221
222static void adsp_sram_power_off(struct snd_sof_dev *sdev)
223{
224	snd_sof_dsp_update_bits(sdev, DSP_BUSREG_BAR, ADSP_SRAM_POOL_CON,
225				DSP_SRAM_POOL_PD_MASK, DSP_SRAM_POOL_PD_MASK);
226}
227
228/*  Init the basic DSP DRAM address */
229static int adsp_memory_remap_init(struct snd_sof_dev *sdev, struct mtk_adsp_chip_info *adsp)
230{
231	u32 offset;
232
233	offset = adsp->pa_dram - DRAM_PHYS_BASE_FROM_DSP_VIEW;
234	adsp->dram_offset = offset;
235	offset >>= DRAM_REMAP_SHIFT;
236
237	dev_dbg(sdev->dev, "adsp->pa_dram %pa, offset %#x\n", &adsp->pa_dram, offset);
238
239	snd_sof_dsp_write(sdev, DSP_BUSREG_BAR, DSP_C0_EMI_MAP_ADDR, offset);
240	snd_sof_dsp_write(sdev, DSP_BUSREG_BAR, DSP_C0_DMAEMI_MAP_ADDR, offset);
241
242	if (offset != snd_sof_dsp_read(sdev, DSP_BUSREG_BAR, DSP_C0_EMI_MAP_ADDR) ||
243	    offset != snd_sof_dsp_read(sdev, DSP_BUSREG_BAR, DSP_C0_DMAEMI_MAP_ADDR)) {
244		dev_err(sdev->dev, "emi remap fail\n");
245		return -EIO;
246	}
247
248	return 0;
249}
250
251static int adsp_shared_base_ioremap(struct platform_device *pdev, void *data)
252{
253	struct device *dev = &pdev->dev;
254	struct mtk_adsp_chip_info *adsp = data;
255
256	/* remap shared-dram base to be non-cachable */
257	adsp->shared_dram = devm_ioremap(dev, adsp->pa_shared_dram,
258					 adsp->shared_size);
259	if (!adsp->shared_dram) {
260		dev_err(dev, "failed to ioremap base %pa size %#x\n",
261			adsp->shared_dram, adsp->shared_size);
262		return -ENOMEM;
263	}
264
265	dev_dbg(dev, "shared-dram vbase=%p, phy addr :%pa,  size=%#x\n",
266		adsp->shared_dram, &adsp->pa_shared_dram, adsp->shared_size);
267
268	return 0;
269}
270
271static int mt8186_run(struct snd_sof_dev *sdev)
272{
273	u32 adsp_bootup_addr;
274
275	adsp_bootup_addr = SRAM_PHYS_BASE_FROM_DSP_VIEW;
276	dev_dbg(sdev->dev, "HIFIxDSP boot from base : 0x%08X\n", adsp_bootup_addr);
277	mt8186_sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr);
278
279	return 0;
280}
281
282static int mt8186_dsp_probe(struct snd_sof_dev *sdev)
283{
284	struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
285	struct adsp_priv *priv;
286	int ret;
287
288	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
289	if (!priv)
290		return -ENOMEM;
291
292	sdev->pdata->hw_pdata = priv;
293	priv->dev = sdev->dev;
294	priv->sdev = sdev;
295
296	priv->adsp = devm_kzalloc(&pdev->dev, sizeof(struct mtk_adsp_chip_info), GFP_KERNEL);
297	if (!priv->adsp)
298		return -ENOMEM;
299
300	ret = platform_parse_resource(pdev, priv->adsp);
301	if (ret)
302		return ret;
303
304	sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev,
305						       priv->adsp->pa_sram,
306						       priv->adsp->sramsize);
307	if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) {
308		dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
309			&priv->adsp->pa_sram, priv->adsp->sramsize);
310		return -ENOMEM;
311	}
312
313	priv->adsp->va_sram = sdev->bar[SOF_FW_BLK_TYPE_IRAM];
314
315	sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap(sdev->dev,
316						       priv->adsp->pa_dram,
317						       priv->adsp->dramsize);
318
319	if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) {
320		dev_err(sdev->dev, "failed to ioremap base %pa size %#x\n",
321			&priv->adsp->pa_dram, priv->adsp->dramsize);
322		return -ENOMEM;
323	}
324
325	priv->adsp->va_dram = sdev->bar[SOF_FW_BLK_TYPE_SRAM];
326
327	ret = adsp_shared_base_ioremap(pdev, priv->adsp);
328	if (ret) {
329		dev_err(sdev->dev, "adsp_shared_base_ioremap fail!\n");
330		return ret;
331	}
332
333	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;
334	sdev->bar[DSP_SECREG_BAR] = priv->adsp->va_secreg;
335	sdev->bar[DSP_BUSREG_BAR] = priv->adsp->va_busreg;
336
337	sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM;
338	sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM;
339
340	/* set default mailbox offset for FW ready message */
341	sdev->dsp_box.offset = mt8186_get_mailbox_offset(sdev);
342
343	ret = adsp_memory_remap_init(sdev, priv->adsp);
344	if (ret) {
345		dev_err(sdev->dev, "adsp_memory_remap_init fail!\n");
346		return ret;
347	}
348
349	/* enable adsp clock before touching registers */
350	ret = mt8186_adsp_init_clock(sdev);
351	if (ret) {
352		dev_err(sdev->dev, "mt8186_adsp_init_clock failed\n");
353		return ret;
354	}
355
356	ret = mt8186_adsp_clock_on(sdev);
357	if (ret) {
358		dev_err(sdev->dev, "mt8186_adsp_clock_on fail!\n");
359		return ret;
360	}
361
362	adsp_sram_power_on(sdev);
363
364	priv->ipc_dev = platform_device_register_data(&pdev->dev, "mtk-adsp-ipc",
365						      PLATFORM_DEVID_NONE,
366						      pdev, sizeof(*pdev));
367	if (IS_ERR(priv->ipc_dev)) {
368		ret = PTR_ERR(priv->ipc_dev);
369		dev_err(sdev->dev, "failed to create mtk-adsp-ipc device\n");
370		goto err_adsp_off;
371	}
372
373	priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev);
374	if (!priv->dsp_ipc) {
375		ret = -EPROBE_DEFER;
376		dev_err(sdev->dev, "failed to get drvdata\n");
377		goto exit_pdev_unregister;
378	}
379
380	mtk_adsp_ipc_set_data(priv->dsp_ipc, priv);
381	priv->dsp_ipc->ops = &dsp_ops;
382
383	return 0;
384
385exit_pdev_unregister:
386	platform_device_unregister(priv->ipc_dev);
387err_adsp_off:
388	adsp_sram_power_off(sdev);
389	mt8186_adsp_clock_off(sdev);
390
391	return ret;
392}
393
394static int mt8186_dsp_remove(struct snd_sof_dev *sdev)
395{
396	struct adsp_priv *priv = sdev->pdata->hw_pdata;
397
398	platform_device_unregister(priv->ipc_dev);
399	mt8186_sof_hifixdsp_shutdown(sdev);
400	adsp_sram_power_off(sdev);
401	mt8186_adsp_clock_off(sdev);
402
403	return 0;
404}
405
406static int mt8186_dsp_shutdown(struct snd_sof_dev *sdev)
407{
408	return snd_sof_suspend(sdev->dev);
409}
410
411static int mt8186_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
412{
413	mt8186_sof_hifixdsp_shutdown(sdev);
414	adsp_sram_power_off(sdev);
415	mt8186_adsp_clock_off(sdev);
416
417	return 0;
418}
419
420static int mt8186_dsp_resume(struct snd_sof_dev *sdev)
421{
422	int ret;
423
424	ret = mt8186_adsp_clock_on(sdev);
425	if (ret) {
426		dev_err(sdev->dev, "mt8186_adsp_clock_on fail!\n");
427		return ret;
428	}
429
430	adsp_sram_power_on(sdev);
431
432	return ret;
433}
434
435/* on mt8186 there is 1 to 1 match between type and BAR idx */
436static int mt8186_get_bar_index(struct snd_sof_dev *sdev, u32 type)
437{
438	return type;
439}
440
441static int mt8186_pcm_hw_params(struct snd_sof_dev *sdev,
442				struct snd_pcm_substream *substream,
443				struct snd_pcm_hw_params *params,
444				struct snd_sof_platform_stream_params *platform_params)
445{
446	platform_params->cont_update_posn = 1;
447
448	return 0;
449}
450
451static snd_pcm_uframes_t mt8186_pcm_pointer(struct snd_sof_dev *sdev,
452					    struct snd_pcm_substream *substream)
453{
454	int ret;
455	snd_pcm_uframes_t pos;
456	struct snd_sof_pcm *spcm;
457	struct sof_ipc_stream_posn posn;
458	struct snd_sof_pcm_stream *stream;
459	struct snd_soc_component *scomp = sdev->component;
460	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
461
462	spcm = snd_sof_find_spcm_dai(scomp, rtd);
463	if (!spcm) {
464		dev_warn_ratelimited(sdev->dev, "warn: can't find PCM with DAI ID %d\n",
465				     rtd->dai_link->id);
466		return 0;
467	}
468
469	stream = &spcm->stream[substream->stream];
470	ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn));
471	if (ret < 0) {
472		dev_warn(sdev->dev, "failed to read stream position: %d\n", ret);
473		return 0;
474	}
475
476	memcpy(&stream->posn, &posn, sizeof(posn));
477	pos = spcm->stream[substream->stream].posn.host_posn;
478	pos = bytes_to_frames(substream->runtime, pos);
479
480	return pos;
481}
482
483static void mt8186_adsp_dump(struct snd_sof_dev *sdev, u32 flags)
484{
485	u32 dbg_pc, dbg_data, dbg_inst, dbg_ls0stat, dbg_status, faultinfo;
486
487	/* dump debug registers */
488	dbg_pc = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGPC);
489	dbg_data = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGDATA);
490	dbg_inst = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGINST);
491	dbg_ls0stat = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGLS0STAT);
492	dbg_status = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PDEBUGSTATUS);
493	faultinfo = snd_sof_dsp_read(sdev, DSP_REG_BAR, DSP_PFAULTINFO);
494
495	dev_info(sdev->dev, "adsp dump : pc %#x, data %#x, dbg_inst %#x,",
496		 dbg_pc, dbg_data, dbg_inst);
497	dev_info(sdev->dev, "ls0stat %#x, status %#x, faultinfo %#x",
498		 dbg_ls0stat, dbg_status, faultinfo);
499
500	mtk_adsp_dump(sdev, flags);
501}
502
503static struct snd_soc_dai_driver mt8186_dai[] = {
504{
505	.name = "SOF_DL1",
506	.playback = {
507		.channels_min = 1,
508		.channels_max = 2,
509	},
510},
511{
512	.name = "SOF_DL2",
513	.playback = {
514		.channels_min = 1,
515		.channels_max = 2,
516	},
517},
518{
519	.name = "SOF_UL1",
520	.capture = {
521		.channels_min = 1,
522		.channels_max = 2,
523	},
524},
525{
526	.name = "SOF_UL2",
527	.capture = {
528		.channels_min = 1,
529		.channels_max = 2,
530	},
531},
532};
533
534/* mt8186 ops */
535static struct snd_sof_dsp_ops sof_mt8186_ops = {
536	/* probe and remove */
537	.probe		= mt8186_dsp_probe,
538	.remove		= mt8186_dsp_remove,
539	.shutdown	= mt8186_dsp_shutdown,
540
541	/* DSP core boot */
542	.run		= mt8186_run,
543
544	/* Block IO */
545	.block_read	= sof_block_read,
546	.block_write	= sof_block_write,
547
548	/* Mailbox IO */
549	.mailbox_read	= sof_mailbox_read,
550	.mailbox_write	= sof_mailbox_write,
551
552	/* Register IO */
553	.write		= sof_io_write,
554	.read		= sof_io_read,
555	.write64	= sof_io_write64,
556	.read64		= sof_io_read64,
557
558	/* ipc */
559	.send_msg		= mt8186_send_msg,
560	.get_mailbox_offset	= mt8186_get_mailbox_offset,
561	.get_window_offset	= mt8186_get_window_offset,
562	.ipc_msg_data		= sof_ipc_msg_data,
563	.set_stream_data_offset = sof_set_stream_data_offset,
564
565	/* misc */
566	.get_bar_index	= mt8186_get_bar_index,
567
568	/* stream callbacks */
569	.pcm_open	= sof_stream_pcm_open,
570	.pcm_hw_params	= mt8186_pcm_hw_params,
571	.pcm_pointer	= mt8186_pcm_pointer,
572	.pcm_close	= sof_stream_pcm_close,
573
574	/* firmware loading */
575	.load_firmware	= snd_sof_load_firmware_memcpy,
576
577	/* Firmware ops */
578	.dsp_arch_ops = &sof_xtensa_arch_ops,
579
580	/* DAI drivers */
581	.drv		= mt8186_dai,
582	.num_drv	= ARRAY_SIZE(mt8186_dai),
583
584	/* Debug information */
585	.dbg_dump = mt8186_adsp_dump,
586	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
587
588	/* PM */
589	.suspend	= mt8186_dsp_suspend,
590	.resume		= mt8186_dsp_resume,
591
592	/* ALSA HW info flags */
593	.hw_info =	SNDRV_PCM_INFO_MMAP |
594			SNDRV_PCM_INFO_MMAP_VALID |
595			SNDRV_PCM_INFO_INTERLEAVED |
596			SNDRV_PCM_INFO_PAUSE |
597			SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
598};
599
600static struct snd_sof_of_mach sof_mt8186_machs[] = {
601	{
602		.compatible = "mediatek,mt8186",
603		.sof_tplg_filename = "sof-mt8186.tplg",
604	},
605	{}
606};
607
608static const struct sof_dev_desc sof_of_mt8186_desc = {
609	.of_machines = sof_mt8186_machs,
610	.ipc_supported_mask	= BIT(SOF_IPC),
611	.ipc_default		= SOF_IPC,
612	.default_fw_path = {
613		[SOF_IPC] = "mediatek/sof",
614	},
615	.default_tplg_path = {
616		[SOF_IPC] = "mediatek/sof-tplg",
617	},
618	.default_fw_filename = {
619		[SOF_IPC] = "sof-mt8186.ri",
620	},
621	.nocodec_tplg_filename = "sof-mt8186-nocodec.tplg",
622	.ops = &sof_mt8186_ops,
623};
624
625/*
626 * DL2, DL3, UL4, UL5 are registered as SOF FE, so creating the corresponding
627 * SOF BE to complete the pipeline.
628 */
629static struct snd_soc_dai_driver mt8188_dai[] = {
630{
631	.name = "SOF_DL2",
632	.playback = {
633		.channels_min = 1,
634		.channels_max = 2,
635	},
636},
637{
638	.name = "SOF_DL3",
639	.playback = {
640		.channels_min = 1,
641		.channels_max = 2,
642	},
643},
644{
645	.name = "SOF_UL4",
646	.capture = {
647		.channels_min = 1,
648		.channels_max = 2,
649	},
650},
651{
652	.name = "SOF_UL5",
653	.capture = {
654		.channels_min = 1,
655		.channels_max = 2,
656	},
657},
658};
659
660/* mt8188 ops */
661static struct snd_sof_dsp_ops sof_mt8188_ops;
662
663static int sof_mt8188_ops_init(struct snd_sof_dev *sdev)
664{
665	/* common defaults */
666	memcpy(&sof_mt8188_ops, &sof_mt8186_ops, sizeof(sof_mt8188_ops));
667
668	sof_mt8188_ops.drv = mt8188_dai;
669	sof_mt8188_ops.num_drv = ARRAY_SIZE(mt8188_dai);
670
671	return 0;
672}
673
674static struct snd_sof_of_mach sof_mt8188_machs[] = {
675	{
676		.compatible = "mediatek,mt8188",
677		.sof_tplg_filename = "sof-mt8188.tplg",
678	},
679	{}
680};
681
682static const struct sof_dev_desc sof_of_mt8188_desc = {
683	.of_machines = sof_mt8188_machs,
684	.ipc_supported_mask	= BIT(SOF_IPC),
685	.ipc_default		= SOF_IPC,
686	.default_fw_path = {
687		[SOF_IPC] = "mediatek/sof",
688	},
689	.default_tplg_path = {
690		[SOF_IPC] = "mediatek/sof-tplg",
691	},
692	.default_fw_filename = {
693		[SOF_IPC] = "sof-mt8188.ri",
694	},
695	.nocodec_tplg_filename = "sof-mt8188-nocodec.tplg",
696	.ops = &sof_mt8188_ops,
697	.ops_init = sof_mt8188_ops_init,
698};
699
700static const struct of_device_id sof_of_mt8186_ids[] = {
701	{ .compatible = "mediatek,mt8186-dsp", .data = &sof_of_mt8186_desc},
702	{ .compatible = "mediatek,mt8188-dsp", .data = &sof_of_mt8188_desc},
703	{ }
704};
705MODULE_DEVICE_TABLE(of, sof_of_mt8186_ids);
706
707/* DT driver definition */
708static struct platform_driver snd_sof_of_mt8186_driver = {
709	.probe = sof_of_probe,
710	.remove = sof_of_remove,
711	.shutdown = sof_of_shutdown,
712	.driver = {
713	.name = "sof-audio-of-mt8186",
714		.pm = &sof_of_pm,
715		.of_match_table = sof_of_mt8186_ids,
716	},
717};
718module_platform_driver(snd_sof_of_mt8186_driver);
719
720MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
721MODULE_IMPORT_NS(SND_SOC_SOF_MTK_COMMON);
722MODULE_LICENSE("Dual BSD/GPL");
723