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Linux/sound/soc/sof/imx/imx8.c

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  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 
 64 static int imx8_get_mailbox_offset(struct snd_sof_dev *sdev)
 65 {
 66         return MBOX_OFFSET;
 67 }
 68 
 69 static int imx8_get_window_offset(struct snd_sof_dev *sdev, u32 id)
 70 {
 71         return MBOX_OFFSET;
 72 }
 73 
 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 
 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 
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  */
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 
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 
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 
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 */
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 
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 
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 
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 
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 
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 
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 
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_new = 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 

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