1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // Copyright 2019 NXP
4 //
5 // Author: Daniel Baluta <daniel.baluta@nxp.com>
6 //
7 // Hardware interface for audio DSP on i.MX8
8
9 #include <linux/firmware.h>
10 #include <linux/of_platform.h>
11 #include <linux/of_address.h>
12 #include <linux/of_irq.h>
13 #include <linux/pm_domain.h>
14
15 #include <linux/module.h>
16 #include <sound/sof.h>
17 #include <sound/sof/xtensa.h>
18 #include <linux/firmware/imx/ipc.h>
19 #include <linux/firmware/imx/dsp.h>
20
21 #include <linux/firmware/imx/svc/misc.h>
22 #include <dt-bindings/firmware/imx/rsrc.h>
23 #include "../ops.h"
24 #include "../sof-of-dev.h"
25 #include "imx-common.h"
26
27 /* DSP memories */
28 #define IRAM_OFFSET 0x10000
29 #define IRAM_SIZE (2 * 1024)
30 #define DRAM0_OFFSET 0x0
31 #define DRAM0_SIZE (32 * 1024)
32 #define DRAM1_OFFSET 0x8000
33 #define DRAM1_SIZE (32 * 1024)
34 #define SYSRAM_OFFSET 0x18000
35 #define SYSRAM_SIZE (256 * 1024)
36 #define SYSROM_OFFSET 0x58000
37 #define SYSROM_SIZE (192 * 1024)
38
39 #define RESET_VECTOR_VADDR 0x596f8000
40
41 #define MBOX_OFFSET 0x800000
42 #define MBOX_SIZE 0x1000
43
44 struct imx8_priv {
45 struct device *dev;
46 struct snd_sof_dev *sdev;
47
48 /* DSP IPC handler */
49 struct imx_dsp_ipc *dsp_ipc;
50 struct platform_device *ipc_dev;
51
52 /* System Controller IPC handler */
53 struct imx_sc_ipc *sc_ipc;
54
55 /* Power domain handling */
56 int num_domains;
57 struct device **pd_dev;
58 struct device_link **link;
59
60 struct clk_bulk_data *clks;
61 int clk_num;
62 };
63
imx8_get_mailbox_offset(struct snd_sof_dev * sdev)64 static int imx8_get_mailbox_offset(struct snd_sof_dev *sdev)
65 {
66 return MBOX_OFFSET;
67 }
68
imx8_get_window_offset(struct snd_sof_dev * sdev,u32 id)69 static int imx8_get_window_offset(struct snd_sof_dev *sdev, u32 id)
70 {
71 return MBOX_OFFSET;
72 }
73
imx8_dsp_handle_reply(struct imx_dsp_ipc * ipc)74 static void imx8_dsp_handle_reply(struct imx_dsp_ipc *ipc)
75 {
76 struct imx8_priv *priv = imx_dsp_get_data(ipc);
77 unsigned long flags;
78
79 spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
80 snd_sof_ipc_process_reply(priv->sdev, 0);
81 spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
82 }
83
imx8_dsp_handle_request(struct imx_dsp_ipc * ipc)84 static void imx8_dsp_handle_request(struct imx_dsp_ipc *ipc)
85 {
86 struct imx8_priv *priv = imx_dsp_get_data(ipc);
87 u32 p; /* panic code */
88
89 /* Read the message from the debug box. */
90 sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4, &p, sizeof(p));
91
92 /* Check to see if the message is a panic code (0x0dead***) */
93 if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC)
94 snd_sof_dsp_panic(priv->sdev, p, true);
95 else
96 snd_sof_ipc_msgs_rx(priv->sdev);
97 }
98
99 static struct imx_dsp_ops dsp_ops = {
100 .handle_reply = imx8_dsp_handle_reply,
101 .handle_request = imx8_dsp_handle_request,
102 };
103
imx8_send_msg(struct snd_sof_dev * sdev,struct snd_sof_ipc_msg * msg)104 static int imx8_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
105 {
106 struct imx8_priv *priv = sdev->pdata->hw_pdata;
107
108 sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
109 msg->msg_size);
110 imx_dsp_ring_doorbell(priv->dsp_ipc, 0);
111
112 return 0;
113 }
114
115 /*
116 * DSP control.
117 */
imx8x_run(struct snd_sof_dev * sdev)118 static int imx8x_run(struct snd_sof_dev *sdev)
119 {
120 struct imx8_priv *dsp_priv = sdev->pdata->hw_pdata;
121 int ret;
122
123 ret = imx_sc_misc_set_control(dsp_priv->sc_ipc, IMX_SC_R_DSP,
124 IMX_SC_C_OFS_SEL, 1);
125 if (ret < 0) {
126 dev_err(sdev->dev, "Error system address offset source select\n");
127 return ret;
128 }
129
130 ret = imx_sc_misc_set_control(dsp_priv->sc_ipc, IMX_SC_R_DSP,
131 IMX_SC_C_OFS_AUDIO, 0x80);
132 if (ret < 0) {
133 dev_err(sdev->dev, "Error system address offset of AUDIO\n");
134 return ret;
135 }
136
137 ret = imx_sc_misc_set_control(dsp_priv->sc_ipc, IMX_SC_R_DSP,
138 IMX_SC_C_OFS_PERIPH, 0x5A);
139 if (ret < 0) {
140 dev_err(sdev->dev, "Error system address offset of PERIPH %d\n",
141 ret);
142 return ret;
143 }
144
145 ret = imx_sc_misc_set_control(dsp_priv->sc_ipc, IMX_SC_R_DSP,
146 IMX_SC_C_OFS_IRQ, 0x51);
147 if (ret < 0) {
148 dev_err(sdev->dev, "Error system address offset of IRQ\n");
149 return ret;
150 }
151
152 imx_sc_pm_cpu_start(dsp_priv->sc_ipc, IMX_SC_R_DSP, true,
153 RESET_VECTOR_VADDR);
154
155 return 0;
156 }
157
imx8_run(struct snd_sof_dev * sdev)158 static int imx8_run(struct snd_sof_dev *sdev)
159 {
160 struct imx8_priv *dsp_priv = sdev->pdata->hw_pdata;
161 int ret;
162
163 ret = imx_sc_misc_set_control(dsp_priv->sc_ipc, IMX_SC_R_DSP,
164 IMX_SC_C_OFS_SEL, 0);
165 if (ret < 0) {
166 dev_err(sdev->dev, "Error system address offset source select\n");
167 return ret;
168 }
169
170 imx_sc_pm_cpu_start(dsp_priv->sc_ipc, IMX_SC_R_DSP, true,
171 RESET_VECTOR_VADDR);
172
173 return 0;
174 }
175
imx8_probe(struct snd_sof_dev * sdev)176 static int imx8_probe(struct snd_sof_dev *sdev)
177 {
178 struct platform_device *pdev =
179 container_of(sdev->dev, struct platform_device, dev);
180 struct device_node *np = pdev->dev.of_node;
181 struct device_node *res_node;
182 struct resource *mmio;
183 struct imx8_priv *priv;
184 struct resource res;
185 u32 base, size;
186 int ret = 0;
187 int i;
188
189 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
190 if (!priv)
191 return -ENOMEM;
192
193 sdev->num_cores = 1;
194 sdev->pdata->hw_pdata = priv;
195 priv->dev = sdev->dev;
196 priv->sdev = sdev;
197
198 /* power up device associated power domains */
199 priv->num_domains = of_count_phandle_with_args(np, "power-domains",
200 "#power-domain-cells");
201 if (priv->num_domains < 0) {
202 dev_err(sdev->dev, "no power-domains property in %pOF\n", np);
203 return priv->num_domains;
204 }
205
206 priv->pd_dev = devm_kmalloc_array(&pdev->dev, priv->num_domains,
207 sizeof(*priv->pd_dev), GFP_KERNEL);
208 if (!priv->pd_dev)
209 return -ENOMEM;
210
211 priv->link = devm_kmalloc_array(&pdev->dev, priv->num_domains,
212 sizeof(*priv->link), GFP_KERNEL);
213 if (!priv->link)
214 return -ENOMEM;
215
216 for (i = 0; i < priv->num_domains; i++) {
217 priv->pd_dev[i] = dev_pm_domain_attach_by_id(&pdev->dev, i);
218 if (IS_ERR(priv->pd_dev[i])) {
219 ret = PTR_ERR(priv->pd_dev[i]);
220 goto exit_unroll_pm;
221 }
222 priv->link[i] = device_link_add(&pdev->dev, priv->pd_dev[i],
223 DL_FLAG_STATELESS |
224 DL_FLAG_PM_RUNTIME |
225 DL_FLAG_RPM_ACTIVE);
226 if (!priv->link[i]) {
227 ret = -ENOMEM;
228 dev_pm_domain_detach(priv->pd_dev[i], false);
229 goto exit_unroll_pm;
230 }
231 }
232
233 ret = imx_scu_get_handle(&priv->sc_ipc);
234 if (ret) {
235 dev_err(sdev->dev, "Cannot obtain SCU handle (err = %d)\n",
236 ret);
237 goto exit_unroll_pm;
238 }
239
240 priv->ipc_dev = platform_device_register_data(sdev->dev, "imx-dsp",
241 PLATFORM_DEVID_NONE,
242 pdev, sizeof(*pdev));
243 if (IS_ERR(priv->ipc_dev)) {
244 ret = PTR_ERR(priv->ipc_dev);
245 goto exit_unroll_pm;
246 }
247
248 priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev);
249 if (!priv->dsp_ipc) {
250 /* DSP IPC driver not probed yet, try later */
251 ret = -EPROBE_DEFER;
252 dev_err(sdev->dev, "Failed to get drvdata\n");
253 goto exit_pdev_unregister;
254 }
255
256 imx_dsp_set_data(priv->dsp_ipc, priv);
257 priv->dsp_ipc->ops = &dsp_ops;
258
259 /* DSP base */
260 mmio = platform_get_resource(pdev, IORESOURCE_MEM, 0);
261 if (mmio) {
262 base = mmio->start;
263 size = resource_size(mmio);
264 } else {
265 dev_err(sdev->dev, "error: failed to get DSP base at idx 0\n");
266 ret = -EINVAL;
267 goto exit_pdev_unregister;
268 }
269
270 sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev, base, size);
271 if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) {
272 dev_err(sdev->dev, "failed to ioremap base 0x%x size 0x%x\n",
273 base, size);
274 ret = -ENODEV;
275 goto exit_pdev_unregister;
276 }
277 sdev->mmio_bar = SOF_FW_BLK_TYPE_IRAM;
278
279 res_node = of_parse_phandle(np, "memory-region", 0);
280 if (!res_node) {
281 dev_err(&pdev->dev, "failed to get memory region node\n");
282 ret = -ENODEV;
283 goto exit_pdev_unregister;
284 }
285
286 ret = of_address_to_resource(res_node, 0, &res);
287 of_node_put(res_node);
288 if (ret) {
289 dev_err(&pdev->dev, "failed to get reserved region address\n");
290 goto exit_pdev_unregister;
291 }
292
293 sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap_wc(sdev->dev, res.start,
294 resource_size(&res));
295 if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) {
296 dev_err(sdev->dev, "failed to ioremap mem 0x%x size 0x%x\n",
297 base, size);
298 ret = -ENOMEM;
299 goto exit_pdev_unregister;
300 }
301 sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM;
302
303 /* set default mailbox offset for FW ready message */
304 sdev->dsp_box.offset = MBOX_OFFSET;
305
306 ret = devm_clk_bulk_get_all(sdev->dev, &priv->clks);
307 if (ret < 0) {
308 dev_err(sdev->dev, "failed to fetch clocks: %d\n", ret);
309 goto exit_pdev_unregister;
310 }
311 priv->clk_num = ret;
312
313 ret = clk_bulk_prepare_enable(priv->clk_num, priv->clks);
314 if (ret < 0) {
315 dev_err(sdev->dev, "failed to enable clocks: %d\n", ret);
316 goto exit_pdev_unregister;
317 }
318
319 return 0;
320
321 exit_pdev_unregister:
322 platform_device_unregister(priv->ipc_dev);
323 exit_unroll_pm:
324 while (--i >= 0) {
325 device_link_del(priv->link[i]);
326 dev_pm_domain_detach(priv->pd_dev[i], false);
327 }
328
329 return ret;
330 }
331
imx8_remove(struct snd_sof_dev * sdev)332 static void imx8_remove(struct snd_sof_dev *sdev)
333 {
334 struct imx8_priv *priv = sdev->pdata->hw_pdata;
335 int i;
336
337 clk_bulk_disable_unprepare(priv->clk_num, priv->clks);
338 platform_device_unregister(priv->ipc_dev);
339
340 for (i = 0; i < priv->num_domains; i++) {
341 device_link_del(priv->link[i]);
342 dev_pm_domain_detach(priv->pd_dev[i], false);
343 }
344 }
345
346 /* on i.MX8 there is 1 to 1 match between type and BAR idx */
imx8_get_bar_index(struct snd_sof_dev * sdev,u32 type)347 static int imx8_get_bar_index(struct snd_sof_dev *sdev, u32 type)
348 {
349 /* Only IRAM and SRAM bars are valid */
350 switch (type) {
351 case SOF_FW_BLK_TYPE_IRAM:
352 case SOF_FW_BLK_TYPE_SRAM:
353 return type;
354 default:
355 return -EINVAL;
356 }
357 }
358
imx8_suspend(struct snd_sof_dev * sdev)359 static void imx8_suspend(struct snd_sof_dev *sdev)
360 {
361 int i;
362 struct imx8_priv *priv = (struct imx8_priv *)sdev->pdata->hw_pdata;
363
364 for (i = 0; i < DSP_MU_CHAN_NUM; i++)
365 imx_dsp_free_channel(priv->dsp_ipc, i);
366
367 clk_bulk_disable_unprepare(priv->clk_num, priv->clks);
368 }
369
imx8_resume(struct snd_sof_dev * sdev)370 static int imx8_resume(struct snd_sof_dev *sdev)
371 {
372 struct imx8_priv *priv = (struct imx8_priv *)sdev->pdata->hw_pdata;
373 int ret;
374 int i;
375
376 ret = clk_bulk_prepare_enable(priv->clk_num, priv->clks);
377 if (ret < 0) {
378 dev_err(sdev->dev, "failed to enable clocks: %d\n", ret);
379 return ret;
380 }
381
382 for (i = 0; i < DSP_MU_CHAN_NUM; i++)
383 imx_dsp_request_channel(priv->dsp_ipc, i);
384
385 return 0;
386 }
387
imx8_dsp_runtime_resume(struct snd_sof_dev * sdev)388 static int imx8_dsp_runtime_resume(struct snd_sof_dev *sdev)
389 {
390 int ret;
391 const struct sof_dsp_power_state target_dsp_state = {
392 .state = SOF_DSP_PM_D0,
393 };
394
395 ret = imx8_resume(sdev);
396 if (ret < 0)
397 return ret;
398
399 return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
400 }
401
imx8_dsp_runtime_suspend(struct snd_sof_dev * sdev)402 static int imx8_dsp_runtime_suspend(struct snd_sof_dev *sdev)
403 {
404 const struct sof_dsp_power_state target_dsp_state = {
405 .state = SOF_DSP_PM_D3,
406 };
407
408 imx8_suspend(sdev);
409
410 return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
411 }
412
imx8_dsp_suspend(struct snd_sof_dev * sdev,unsigned int target_state)413 static int imx8_dsp_suspend(struct snd_sof_dev *sdev, unsigned int target_state)
414 {
415 const struct sof_dsp_power_state target_dsp_state = {
416 .state = target_state,
417 };
418
419 if (!pm_runtime_suspended(sdev->dev))
420 imx8_suspend(sdev);
421
422 return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
423 }
424
imx8_dsp_resume(struct snd_sof_dev * sdev)425 static int imx8_dsp_resume(struct snd_sof_dev *sdev)
426 {
427 int ret;
428 const struct sof_dsp_power_state target_dsp_state = {
429 .state = SOF_DSP_PM_D0,
430 };
431
432 ret = imx8_resume(sdev);
433 if (ret < 0)
434 return ret;
435
436 if (pm_runtime_suspended(sdev->dev)) {
437 pm_runtime_disable(sdev->dev);
438 pm_runtime_set_active(sdev->dev);
439 pm_runtime_mark_last_busy(sdev->dev);
440 pm_runtime_enable(sdev->dev);
441 pm_runtime_idle(sdev->dev);
442 }
443
444 return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
445 }
446
447 static struct snd_soc_dai_driver imx8_dai[] = {
448 {
449 .name = "esai0",
450 .playback = {
451 .channels_min = 1,
452 .channels_max = 8,
453 },
454 .capture = {
455 .channels_min = 1,
456 .channels_max = 8,
457 },
458 },
459 {
460 .name = "sai1",
461 .playback = {
462 .channels_min = 1,
463 .channels_max = 32,
464 },
465 .capture = {
466 .channels_min = 1,
467 .channels_max = 32,
468 },
469 },
470 };
471
imx8_dsp_set_power_state(struct snd_sof_dev * sdev,const struct sof_dsp_power_state * target_state)472 static int imx8_dsp_set_power_state(struct snd_sof_dev *sdev,
473 const struct sof_dsp_power_state *target_state)
474 {
475 sdev->dsp_power_state = *target_state;
476
477 return 0;
478 }
479
480 /* i.MX8 ops */
481 static const struct snd_sof_dsp_ops sof_imx8_ops = {
482 /* probe and remove */
483 .probe = imx8_probe,
484 .remove = imx8_remove,
485 /* DSP core boot */
486 .run = imx8_run,
487
488 /* Block IO */
489 .block_read = sof_block_read,
490 .block_write = sof_block_write,
491
492 /* Mailbox IO */
493 .mailbox_read = sof_mailbox_read,
494 .mailbox_write = sof_mailbox_write,
495
496 /* ipc */
497 .send_msg = imx8_send_msg,
498 .get_mailbox_offset = imx8_get_mailbox_offset,
499 .get_window_offset = imx8_get_window_offset,
500
501 .ipc_msg_data = sof_ipc_msg_data,
502 .set_stream_data_offset = sof_set_stream_data_offset,
503
504 .get_bar_index = imx8_get_bar_index,
505
506 /* firmware loading */
507 .load_firmware = snd_sof_load_firmware_memcpy,
508
509 /* Debug information */
510 .dbg_dump = imx8_dump,
511 .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
512
513 /* stream callbacks */
514 .pcm_open = sof_stream_pcm_open,
515 .pcm_close = sof_stream_pcm_close,
516
517 /* Firmware ops */
518 .dsp_arch_ops = &sof_xtensa_arch_ops,
519
520 /* DAI drivers */
521 .drv = imx8_dai,
522 .num_drv = ARRAY_SIZE(imx8_dai),
523
524 /* ALSA HW info flags */
525 .hw_info = SNDRV_PCM_INFO_MMAP |
526 SNDRV_PCM_INFO_MMAP_VALID |
527 SNDRV_PCM_INFO_INTERLEAVED |
528 SNDRV_PCM_INFO_PAUSE |
529 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
530
531 /* PM */
532 .runtime_suspend = imx8_dsp_runtime_suspend,
533 .runtime_resume = imx8_dsp_runtime_resume,
534
535 .suspend = imx8_dsp_suspend,
536 .resume = imx8_dsp_resume,
537
538 .set_power_state = imx8_dsp_set_power_state,
539 };
540
541 /* i.MX8X ops */
542 static const struct snd_sof_dsp_ops sof_imx8x_ops = {
543 /* probe and remove */
544 .probe = imx8_probe,
545 .remove = imx8_remove,
546 /* DSP core boot */
547 .run = imx8x_run,
548
549 /* Block IO */
550 .block_read = sof_block_read,
551 .block_write = sof_block_write,
552
553 /* Mailbox IO */
554 .mailbox_read = sof_mailbox_read,
555 .mailbox_write = sof_mailbox_write,
556
557 /* ipc */
558 .send_msg = imx8_send_msg,
559 .get_mailbox_offset = imx8_get_mailbox_offset,
560 .get_window_offset = imx8_get_window_offset,
561
562 .ipc_msg_data = sof_ipc_msg_data,
563 .set_stream_data_offset = sof_set_stream_data_offset,
564
565 .get_bar_index = imx8_get_bar_index,
566
567 /* firmware loading */
568 .load_firmware = snd_sof_load_firmware_memcpy,
569
570 /* Debug information */
571 .dbg_dump = imx8_dump,
572 .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
573
574 /* stream callbacks */
575 .pcm_open = sof_stream_pcm_open,
576 .pcm_close = sof_stream_pcm_close,
577
578 /* Firmware ops */
579 .dsp_arch_ops = &sof_xtensa_arch_ops,
580
581 /* DAI drivers */
582 .drv = imx8_dai,
583 .num_drv = ARRAY_SIZE(imx8_dai),
584
585 /* PM */
586 .runtime_suspend = imx8_dsp_runtime_suspend,
587 .runtime_resume = imx8_dsp_runtime_resume,
588
589 .suspend = imx8_dsp_suspend,
590 .resume = imx8_dsp_resume,
591
592 .set_power_state = imx8_dsp_set_power_state,
593
594 /* ALSA HW info flags */
595 .hw_info = SNDRV_PCM_INFO_MMAP |
596 SNDRV_PCM_INFO_MMAP_VALID |
597 SNDRV_PCM_INFO_INTERLEAVED |
598 SNDRV_PCM_INFO_PAUSE |
599 SNDRV_PCM_INFO_BATCH |
600 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP
601 };
602
603 static struct snd_sof_of_mach sof_imx8_machs[] = {
604 {
605 .compatible = "fsl,imx8qxp-mek",
606 .sof_tplg_filename = "sof-imx8-wm8960.tplg",
607 .drv_name = "asoc-audio-graph-card2",
608 },
609 {
610 .compatible = "fsl,imx8qm-mek",
611 .sof_tplg_filename = "sof-imx8-wm8960.tplg",
612 .drv_name = "asoc-audio-graph-card2",
613 },
614 {}
615 };
616
617 static struct sof_dev_desc sof_of_imx8qxp_desc = {
618 .of_machines = sof_imx8_machs,
619 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
620 .ipc_default = SOF_IPC_TYPE_3,
621 .default_fw_path = {
622 [SOF_IPC_TYPE_3] = "imx/sof",
623 },
624 .default_tplg_path = {
625 [SOF_IPC_TYPE_3] = "imx/sof-tplg",
626 },
627 .default_fw_filename = {
628 [SOF_IPC_TYPE_3] = "sof-imx8x.ri",
629 },
630 .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
631 .ops = &sof_imx8x_ops,
632 };
633
634 static struct sof_dev_desc sof_of_imx8qm_desc = {
635 .of_machines = sof_imx8_machs,
636 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
637 .ipc_default = SOF_IPC_TYPE_3,
638 .default_fw_path = {
639 [SOF_IPC_TYPE_3] = "imx/sof",
640 },
641 .default_tplg_path = {
642 [SOF_IPC_TYPE_3] = "imx/sof-tplg",
643 },
644 .default_fw_filename = {
645 [SOF_IPC_TYPE_3] = "sof-imx8.ri",
646 },
647 .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
648 .ops = &sof_imx8_ops,
649 };
650
651 static const struct of_device_id sof_of_imx8_ids[] = {
652 { .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
653 { .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
654 { }
655 };
656 MODULE_DEVICE_TABLE(of, sof_of_imx8_ids);
657
658 /* DT driver definition */
659 static struct platform_driver snd_sof_of_imx8_driver = {
660 .probe = sof_of_probe,
661 .remove = sof_of_remove,
662 .driver = {
663 .name = "sof-audio-of-imx8",
664 .pm = &sof_of_pm,
665 .of_match_table = sof_of_imx8_ids,
666 },
667 };
668 module_platform_driver(snd_sof_of_imx8_driver);
669
670 MODULE_LICENSE("Dual BSD/GPL");
671 MODULE_DESCRIPTION("SOF support for IMX8 platforms");
672 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
673