1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2018 Intel Corporation
7 //
8 // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 // Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
10 // Rander Wang <rander.wang@intel.com>
11 // Keyon Jie <yang.jie@linux.intel.com>
12 //
13
14 /*
15 * Hardware interface for generic Intel audio DSP HDA IP
16 */
17
18 #include <sound/hdaudio_ext.h>
19 #include <sound/hda_register.h>
20
21 #include <linux/acpi.h>
22 #include <linux/debugfs.h>
23 #include <linux/module.h>
24 #include <linux/soundwire/sdw.h>
25 #include <linux/soundwire/sdw_intel.h>
26 #include <sound/intel-dsp-config.h>
27 #include <sound/intel-nhlt.h>
28 #include <sound/soc-acpi-intel-ssp-common.h>
29 #include <sound/sof.h>
30 #include <sound/sof/xtensa.h>
31 #include <sound/hda-mlink.h>
32 #include "../sof-audio.h"
33 #include "../sof-pci-dev.h"
34 #include "../ops.h"
35 #include "../ipc4-topology.h"
36 #include "hda.h"
37
38 #include <trace/events/sof_intel.h>
39
40 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
41 #include <sound/soc-acpi-intel-match.h>
42 #endif
43
44 /* platform specific devices */
45 #include "shim.h"
46
47 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
48
49 /*
50 * The default for SoundWire clock stop quirks is to power gate the IP
51 * and do a Bus Reset, this will need to be modified when the DSP
52 * needs to remain in D0i3 so that the Master does not lose context
53 * and enumeration is not required on clock restart
54 */
55 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
56 module_param(sdw_clock_stop_quirks, int, 0444);
57 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
58
sdw_params_stream(struct device * dev,struct sdw_intel_stream_params_data * params_data)59 static int sdw_params_stream(struct device *dev,
60 struct sdw_intel_stream_params_data *params_data)
61 {
62 struct snd_soc_dai *d = params_data->dai;
63 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, params_data->substream->stream);
64 struct snd_sof_dai_config_data data = { 0 };
65
66 if (!w) {
67 dev_err(dev, "%s widget not found, check amp link num in the topology\n",
68 d->name);
69 return -EINVAL;
70 }
71 data.dai_index = (params_data->link_id << 8) | d->id;
72 data.dai_data = params_data->alh_stream_id;
73 data.dai_node_id = data.dai_data;
74
75 return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_PARAMS, &data);
76 }
77
sdw_params_free(struct device * dev,struct sdw_intel_stream_free_data * free_data)78 static int sdw_params_free(struct device *dev, struct sdw_intel_stream_free_data *free_data)
79 {
80 struct snd_soc_dai *d = free_data->dai;
81 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, free_data->substream->stream);
82 struct snd_sof_dev *sdev = widget_to_sdev(w);
83
84 if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
85 struct snd_sof_widget *swidget = w->dobj.private;
86 struct snd_sof_dai *dai = swidget->private;
87 struct sof_ipc4_copier_data *copier_data;
88 struct sof_ipc4_copier *ipc4_copier;
89
90 ipc4_copier = dai->private;
91 ipc4_copier->dai_index = 0;
92 copier_data = &ipc4_copier->data;
93
94 /* clear the node ID */
95 copier_data->gtw_cfg.node_id &= ~SOF_IPC4_NODE_INDEX_MASK;
96 }
97
98 return 0;
99 }
100
101 struct sdw_intel_ops sdw_callback = {
102 .params_stream = sdw_params_stream,
103 .free_stream = sdw_params_free,
104 };
105
sdw_ace2x_params_stream(struct device * dev,struct sdw_intel_stream_params_data * params_data)106 static int sdw_ace2x_params_stream(struct device *dev,
107 struct sdw_intel_stream_params_data *params_data)
108 {
109 return sdw_hda_dai_hw_params(params_data->substream,
110 params_data->hw_params,
111 params_data->dai,
112 params_data->link_id,
113 params_data->alh_stream_id);
114 }
115
sdw_ace2x_free_stream(struct device * dev,struct sdw_intel_stream_free_data * free_data)116 static int sdw_ace2x_free_stream(struct device *dev,
117 struct sdw_intel_stream_free_data *free_data)
118 {
119 return sdw_hda_dai_hw_free(free_data->substream,
120 free_data->dai,
121 free_data->link_id);
122 }
123
sdw_ace2x_trigger(struct snd_pcm_substream * substream,int cmd,struct snd_soc_dai * dai)124 static int sdw_ace2x_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
125 {
126 return sdw_hda_dai_trigger(substream, cmd, dai);
127 }
128
129 static struct sdw_intel_ops sdw_ace2x_callback = {
130 .params_stream = sdw_ace2x_params_stream,
131 .free_stream = sdw_ace2x_free_stream,
132 .trigger = sdw_ace2x_trigger,
133 };
134
hda_sdw_acpi_scan(struct snd_sof_dev * sdev)135 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
136 {
137 u32 interface_mask = hda_get_interface_mask(sdev);
138 struct sof_intel_hda_dev *hdev;
139 acpi_handle handle;
140 int ret;
141
142 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
143 return -EINVAL;
144
145 handle = ACPI_HANDLE(sdev->dev);
146
147 /* save ACPI info for the probe step */
148 hdev = sdev->pdata->hw_pdata;
149
150 ret = sdw_intel_acpi_scan(handle, &hdev->info);
151 if (ret < 0)
152 return -EINVAL;
153
154 return 0;
155 }
156
hda_sdw_probe(struct snd_sof_dev * sdev)157 static int hda_sdw_probe(struct snd_sof_dev *sdev)
158 {
159 const struct sof_intel_dsp_desc *chip;
160 struct sof_intel_hda_dev *hdev;
161 struct sdw_intel_res res;
162 void *sdw;
163
164 hdev = sdev->pdata->hw_pdata;
165
166 memset(&res, 0, sizeof(res));
167
168 chip = get_chip_info(sdev->pdata);
169 if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) {
170 res.mmio_base = sdev->bar[HDA_DSP_BAR];
171 res.hw_ops = &sdw_intel_cnl_hw_ops;
172 res.shim_base = hdev->desc->sdw_shim_base;
173 res.alh_base = hdev->desc->sdw_alh_base;
174 res.ext = false;
175 res.ops = &sdw_callback;
176 } else {
177 /*
178 * retrieve eml_lock needed to protect shared registers
179 * in the HDaudio multi-link areas
180 */
181 res.eml_lock = hdac_bus_eml_get_mutex(sof_to_bus(sdev), true,
182 AZX_REG_ML_LEPTR_ID_SDW);
183 if (!res.eml_lock)
184 return -ENODEV;
185
186 res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR];
187 /*
188 * the SHIM and SoundWire register offsets are link-specific
189 * and will be determined when adding auxiliary devices
190 */
191 res.hw_ops = &sdw_intel_lnl_hw_ops;
192 res.ext = true;
193 res.ops = &sdw_ace2x_callback;
194
195 }
196 res.irq = sdev->ipc_irq;
197 res.handle = hdev->info.handle;
198 res.parent = sdev->dev;
199
200 res.dev = sdev->dev;
201 res.clock_stop_quirks = sdw_clock_stop_quirks;
202 res.hbus = sof_to_bus(sdev);
203
204 /*
205 * ops and arg fields are not populated for now,
206 * they will be needed when the DAI callbacks are
207 * provided
208 */
209
210 /* we could filter links here if needed, e.g for quirks */
211 res.count = hdev->info.count;
212 res.link_mask = hdev->info.link_mask;
213
214 sdw = sdw_intel_probe(&res);
215 if (!sdw) {
216 dev_err(sdev->dev, "error: SoundWire probe failed\n");
217 return -EINVAL;
218 }
219
220 /* save context */
221 hdev->sdw = sdw;
222
223 return 0;
224 }
225
hda_sdw_startup(struct snd_sof_dev * sdev)226 int hda_sdw_startup(struct snd_sof_dev *sdev)
227 {
228 struct sof_intel_hda_dev *hdev;
229 struct snd_sof_pdata *pdata = sdev->pdata;
230 int ret;
231
232 hdev = sdev->pdata->hw_pdata;
233
234 if (!hdev->sdw)
235 return 0;
236
237 if (pdata->machine && !pdata->machine->mach_params.link_mask)
238 return 0;
239
240 ret = hda_sdw_check_lcount(sdev);
241 if (ret < 0)
242 return ret;
243
244 return sdw_intel_startup(hdev->sdw);
245 }
246 EXPORT_SYMBOL_NS(hda_sdw_startup, "SND_SOC_SOF_INTEL_HDA_GENERIC");
247
hda_sdw_exit(struct snd_sof_dev * sdev)248 static int hda_sdw_exit(struct snd_sof_dev *sdev)
249 {
250 struct sof_intel_hda_dev *hdev;
251
252 hdev = sdev->pdata->hw_pdata;
253
254 if (hdev->sdw)
255 sdw_intel_exit(hdev->sdw);
256 hdev->sdw = NULL;
257
258 hda_sdw_int_enable(sdev, false);
259
260 return 0;
261 }
262
hda_common_check_sdw_irq(struct snd_sof_dev * sdev)263 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
264 {
265 struct sof_intel_hda_dev *hdev;
266 bool ret = false;
267 u32 irq_status;
268
269 hdev = sdev->pdata->hw_pdata;
270
271 if (!hdev->sdw)
272 return ret;
273
274 /* store status */
275 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
276
277 /* invalid message ? */
278 if (irq_status == 0xffffffff)
279 goto out;
280
281 /* SDW message ? */
282 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
283 ret = true;
284
285 out:
286 return ret;
287 }
288 EXPORT_SYMBOL_NS(hda_common_check_sdw_irq, "SND_SOC_SOF_INTEL_HDA_GENERIC");
289
hda_dsp_check_sdw_irq(struct snd_sof_dev * sdev)290 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
291 {
292 u32 interface_mask = hda_get_interface_mask(sdev);
293 const struct sof_intel_dsp_desc *chip;
294
295 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
296 return false;
297
298 chip = get_chip_info(sdev->pdata);
299 if (chip && chip->check_sdw_irq)
300 return chip->check_sdw_irq(sdev);
301
302 return false;
303 }
304
hda_dsp_sdw_thread(int irq,void * context)305 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
306 {
307 return sdw_intel_thread(irq, context);
308 }
309
hda_sdw_check_wakeen_irq_common(struct snd_sof_dev * sdev)310 bool hda_sdw_check_wakeen_irq_common(struct snd_sof_dev *sdev)
311 {
312 struct sof_intel_hda_dev *hdev;
313
314 hdev = sdev->pdata->hw_pdata;
315 if (hdev->sdw &&
316 snd_sof_dsp_read(sdev, HDA_DSP_BAR,
317 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
318 return true;
319
320 return false;
321 }
322 EXPORT_SYMBOL_NS(hda_sdw_check_wakeen_irq_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
323
hda_sdw_check_wakeen_irq(struct snd_sof_dev * sdev)324 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
325 {
326 u32 interface_mask = hda_get_interface_mask(sdev);
327 const struct sof_intel_dsp_desc *chip;
328
329 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
330 return false;
331
332 chip = get_chip_info(sdev->pdata);
333 if (chip && chip->check_sdw_wakeen_irq)
334 return chip->check_sdw_wakeen_irq(sdev);
335
336 return false;
337 }
338
hda_sdw_process_wakeen_common(struct snd_sof_dev * sdev)339 void hda_sdw_process_wakeen_common(struct snd_sof_dev *sdev)
340 {
341 u32 interface_mask = hda_get_interface_mask(sdev);
342 struct sof_intel_hda_dev *hdev;
343
344 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
345 return;
346
347 hdev = sdev->pdata->hw_pdata;
348 if (!hdev->sdw)
349 return;
350
351 sdw_intel_process_wakeen_event(hdev->sdw);
352 }
353 EXPORT_SYMBOL_NS(hda_sdw_process_wakeen_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
354
355 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
hda_sdw_acpi_scan(struct snd_sof_dev * sdev)356 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
357 {
358 return 0;
359 }
360
hda_sdw_probe(struct snd_sof_dev * sdev)361 static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
362 {
363 return 0;
364 }
365
hda_sdw_exit(struct snd_sof_dev * sdev)366 static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
367 {
368 return 0;
369 }
370
hda_dsp_check_sdw_irq(struct snd_sof_dev * sdev)371 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
372 {
373 return false;
374 }
375
hda_dsp_sdw_thread(int irq,void * context)376 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
377 {
378 return IRQ_HANDLED;
379 }
380
hda_sdw_check_wakeen_irq(struct snd_sof_dev * sdev)381 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
382 {
383 return false;
384 }
385
386 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
387
388 /* pre fw run operations */
hda_dsp_pre_fw_run(struct snd_sof_dev * sdev)389 int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
390 {
391 /* disable clock gating and power gating */
392 return hda_dsp_ctrl_clock_power_gating(sdev, false);
393 }
394
395 /* post fw run operations */
hda_dsp_post_fw_run(struct snd_sof_dev * sdev)396 int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
397 {
398 int ret;
399
400 if (sdev->first_boot) {
401 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
402
403 ret = hda_sdw_startup(sdev);
404 if (ret < 0) {
405 dev_err(sdev->dev,
406 "error: could not startup SoundWire links\n");
407 return ret;
408 }
409
410 /* Check if IMR boot is usable */
411 if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT) &&
412 (sdev->fw_ready.flags & SOF_IPC_INFO_D3_PERSISTENT ||
413 sdev->pdata->ipc_type == SOF_IPC_TYPE_4)) {
414 hdev->imrboot_supported = true;
415 debugfs_create_bool("skip_imr_boot",
416 0644, sdev->debugfs_root,
417 &hdev->skip_imr_boot);
418 }
419 }
420
421 hda_sdw_int_enable(sdev, true);
422
423 /* re-enable clock gating and power gating */
424 return hda_dsp_ctrl_clock_power_gating(sdev, true);
425 }
426 EXPORT_SYMBOL_NS(hda_dsp_post_fw_run, "SND_SOC_SOF_INTEL_HDA_GENERIC");
427
428 /*
429 * Debug
430 */
431
432 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
433 static bool hda_use_msi = true;
434 module_param_named(use_msi, hda_use_msi, bool, 0444);
435 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
436 #else
437 #define hda_use_msi (1)
438 #endif
439
440 static char *hda_model;
441 module_param(hda_model, charp, 0444);
442 MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
443
444 static int dmic_num_override = -1;
445 module_param_named(dmic_num, dmic_num_override, int, 0444);
446 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
447
448 static int mclk_id_override = -1;
449 module_param_named(mclk_id, mclk_id_override, int, 0444);
450 MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
451
452 static int bt_link_mask_override;
453 module_param_named(bt_link_mask, bt_link_mask_override, int, 0444);
454 MODULE_PARM_DESC(bt_link_mask, "SOF BT offload link mask");
455
hda_init(struct snd_sof_dev * sdev)456 static int hda_init(struct snd_sof_dev *sdev)
457 {
458 struct hda_bus *hbus;
459 struct hdac_bus *bus;
460 struct pci_dev *pci = to_pci_dev(sdev->dev);
461 int ret;
462
463 hbus = sof_to_hbus(sdev);
464 bus = sof_to_bus(sdev);
465
466 /* HDA bus init */
467 sof_hda_bus_init(sdev, &pci->dev);
468
469 if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
470 bus->use_posbuf = 0;
471 else
472 bus->use_posbuf = 1;
473 bus->bdl_pos_adj = 0;
474 bus->sync_write = 1;
475
476 mutex_init(&hbus->prepare_mutex);
477 hbus->pci = pci;
478 hbus->mixer_assigned = -1;
479 hbus->modelname = hda_model;
480
481 /* initialise hdac bus */
482 bus->addr = pci_resource_start(pci, 0);
483 bus->remap_addr = pci_ioremap_bar(pci, 0);
484 if (!bus->remap_addr) {
485 dev_err(bus->dev, "error: ioremap error\n");
486 return -ENXIO;
487 }
488
489 /* HDA base */
490 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
491
492 /* init i915 and HDMI codecs */
493 ret = hda_codec_i915_init(sdev);
494 if (ret < 0 && ret != -ENODEV) {
495 dev_err_probe(sdev->dev, ret, "init of i915 and HDMI codec failed\n");
496 goto out;
497 }
498
499 /* get controller capabilities */
500 ret = hda_dsp_ctrl_get_caps(sdev);
501 if (ret < 0) {
502 dev_err(sdev->dev, "error: get caps error\n");
503 hda_codec_i915_exit(sdev);
504 }
505
506 out:
507 if (ret < 0)
508 iounmap(sof_to_bus(sdev)->remap_addr);
509
510 return ret;
511 }
512
check_dmic_num(struct snd_sof_dev * sdev)513 static int check_dmic_num(struct snd_sof_dev *sdev)
514 {
515 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
516 struct nhlt_acpi_table *nhlt;
517 int dmic_num = 0;
518
519 nhlt = hdev->nhlt;
520 if (nhlt)
521 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
522
523 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
524
525 /* allow for module parameter override */
526 if (dmic_num_override != -1) {
527 dev_dbg(sdev->dev,
528 "overriding DMICs detected in NHLT tables %d by kernel param %d\n",
529 dmic_num, dmic_num_override);
530 dmic_num = dmic_num_override;
531 }
532
533 if (dmic_num < 0 || dmic_num > 4) {
534 dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
535 dmic_num = 0;
536 }
537
538 return dmic_num;
539 }
540
check_nhlt_ssp_mask(struct snd_sof_dev * sdev,u8 device_type)541 static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev, u8 device_type)
542 {
543 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
544 struct nhlt_acpi_table *nhlt;
545 int ssp_mask = 0;
546
547 nhlt = hdev->nhlt;
548 if (!nhlt)
549 return ssp_mask;
550
551 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
552 ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, device_type);
553 if (ssp_mask)
554 dev_info(sdev->dev, "NHLT device %s(%d) detected, ssp_mask %#x\n",
555 device_type == NHLT_DEVICE_BT ? "BT" : "I2S",
556 device_type, ssp_mask);
557 }
558
559 return ssp_mask;
560 }
561
check_nhlt_ssp_mclk_mask(struct snd_sof_dev * sdev,int ssp_num)562 static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
563 {
564 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
565 struct nhlt_acpi_table *nhlt;
566
567 nhlt = hdev->nhlt;
568 if (!nhlt)
569 return 0;
570
571 return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
572 }
573
hda_init_caps(struct snd_sof_dev * sdev)574 static int hda_init_caps(struct snd_sof_dev *sdev)
575 {
576 u32 interface_mask = hda_get_interface_mask(sdev);
577 struct hdac_bus *bus = sof_to_bus(sdev);
578 struct snd_sof_pdata *pdata = sdev->pdata;
579 struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
580 u32 link_mask;
581 int ret = 0;
582
583 /* check if dsp is there */
584 if (bus->ppcap)
585 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
586
587 /* Init HDA controller after i915 init */
588 ret = hda_dsp_ctrl_init_chip(sdev);
589 if (ret < 0) {
590 dev_err(bus->dev, "error: init chip failed with ret: %d\n",
591 ret);
592 return ret;
593 }
594
595 hda_bus_ml_init(bus);
596
597 /* Skip SoundWire if it is not supported */
598 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
599 goto skip_soundwire;
600
601 /* scan SoundWire capabilities exposed by DSDT */
602 ret = hda_sdw_acpi_scan(sdev);
603 if (ret < 0) {
604 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
605 goto skip_soundwire;
606 }
607
608 link_mask = hdev->info.link_mask;
609 if (!link_mask) {
610 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
611 goto skip_soundwire;
612 }
613
614 /*
615 * probe/allocate SoundWire resources.
616 * The hardware configuration takes place in hda_sdw_startup
617 * after power rails are enabled.
618 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
619 * devices, so we allocate the resources in all cases.
620 */
621 ret = hda_sdw_probe(sdev);
622 if (ret < 0) {
623 dev_err(sdev->dev, "error: SoundWire probe error\n");
624 return ret;
625 }
626
627 skip_soundwire:
628
629 /* create codec instances */
630 hda_codec_probe_bus(sdev);
631
632 if (!HDA_IDISP_CODEC(bus->codec_mask))
633 hda_codec_i915_display_power(sdev, false);
634
635 hda_bus_ml_put_all(bus);
636
637 return 0;
638 }
639
hda_dsp_interrupt_handler(int irq,void * context)640 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
641 {
642 struct snd_sof_dev *sdev = context;
643
644 /*
645 * Get global interrupt status. It includes all hardware interrupt
646 * sources in the Intel HD Audio controller.
647 */
648 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
649 SOF_HDA_INTSTS_GIS) {
650
651 /* disable GIE interrupt */
652 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
653 SOF_HDA_INTCTL,
654 SOF_HDA_INT_GLOBAL_EN,
655 0);
656
657 return IRQ_WAKE_THREAD;
658 }
659
660 return IRQ_NONE;
661 }
662
hda_dsp_interrupt_thread(int irq,void * context)663 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
664 {
665 struct snd_sof_dev *sdev = context;
666 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
667
668 /* deal with streams and controller first */
669 if (hda_dsp_check_stream_irq(sdev)) {
670 trace_sof_intel_hda_irq(sdev, "stream");
671 hda_dsp_stream_threaded_handler(irq, sdev);
672 }
673
674 if (hda_check_ipc_irq(sdev)) {
675 trace_sof_intel_hda_irq(sdev, "ipc");
676 sof_ops(sdev)->irq_thread(irq, sdev);
677 }
678
679 if (hda_dsp_check_sdw_irq(sdev)) {
680 trace_sof_intel_hda_irq(sdev, "sdw");
681 hda_dsp_sdw_thread(irq, hdev->sdw);
682 }
683
684 if (hda_sdw_check_wakeen_irq(sdev)) {
685 trace_sof_intel_hda_irq(sdev, "wakeen");
686 hda_sdw_process_wakeen(sdev);
687 }
688
689 hda_codec_check_for_state_change(sdev);
690
691 /* enable GIE interrupt */
692 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
693 SOF_HDA_INTCTL,
694 SOF_HDA_INT_GLOBAL_EN,
695 SOF_HDA_INT_GLOBAL_EN);
696
697 return IRQ_HANDLED;
698 }
699
hda_dsp_probe_early(struct snd_sof_dev * sdev)700 int hda_dsp_probe_early(struct snd_sof_dev *sdev)
701 {
702 struct pci_dev *pci = to_pci_dev(sdev->dev);
703 struct sof_intel_hda_dev *hdev;
704 const struct sof_intel_dsp_desc *chip;
705 int ret = 0;
706
707 if (!sdev->dspless_mode_selected) {
708 /*
709 * detect DSP by checking class/subclass/prog-id information
710 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
711 * class=04 subclass 01 prog-if 00: DSP is present
712 * (and may be required e.g. for DMIC or SSP support)
713 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
714 */
715 if (pci->class == 0x040300) {
716 dev_err(sdev->dev, "the DSP is not enabled on this platform, aborting probe\n");
717 return -ENODEV;
718 } else if (pci->class != 0x040100 && pci->class != 0x040380) {
719 dev_err(sdev->dev, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
720 pci->class);
721 return -ENODEV;
722 }
723 dev_info_once(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n",
724 pci->class);
725 }
726
727 chip = get_chip_info(sdev->pdata);
728 if (!chip) {
729 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
730 pci->device);
731 ret = -EIO;
732 goto err;
733 }
734
735 sdev->num_cores = chip->cores_num;
736
737 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
738 if (!hdev)
739 return -ENOMEM;
740 sdev->pdata->hw_pdata = hdev;
741 hdev->desc = chip;
742 ret = hda_init(sdev);
743
744 err:
745 return ret;
746 }
747 EXPORT_SYMBOL_NS(hda_dsp_probe_early, "SND_SOC_SOF_INTEL_HDA_GENERIC");
748
hda_dsp_probe(struct snd_sof_dev * sdev)749 int hda_dsp_probe(struct snd_sof_dev *sdev)
750 {
751 struct pci_dev *pci = to_pci_dev(sdev->dev);
752 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
753 const struct sof_intel_dsp_desc *chip;
754 int ret = 0;
755
756 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
757 PLATFORM_DEVID_NONE,
758 NULL, 0);
759 if (IS_ERR(hdev->dmic_dev)) {
760 dev_err(sdev->dev, "error: failed to create DMIC device\n");
761 return PTR_ERR(hdev->dmic_dev);
762 }
763
764 /*
765 * use position update IPC if either it is forced
766 * or we don't have other choice
767 */
768 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
769 hdev->no_ipc_position = 0;
770 #else
771 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
772 #endif
773
774 if (sdev->dspless_mode_selected)
775 hdev->no_ipc_position = 1;
776
777 if (sdev->dspless_mode_selected)
778 goto skip_dsp_setup;
779
780 /* DSP base */
781 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
782 if (!sdev->bar[HDA_DSP_BAR]) {
783 dev_err(sdev->dev, "error: ioremap error\n");
784 ret = -ENXIO;
785 goto hdac_bus_unmap;
786 }
787
788 sdev->mmio_bar = HDA_DSP_BAR;
789 sdev->mailbox_bar = HDA_DSP_BAR;
790 skip_dsp_setup:
791
792 /* allow 64bit DMA address if supported by H/W */
793 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
794 dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
795 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
796 }
797 dma_set_max_seg_size(&pci->dev, UINT_MAX);
798
799 /* init streams */
800 ret = hda_dsp_stream_init(sdev);
801 if (ret < 0) {
802 dev_err(sdev->dev, "error: failed to init streams\n");
803 /*
804 * not all errors are due to memory issues, but trying
805 * to free everything does not harm
806 */
807 goto free_streams;
808 }
809
810 /*
811 * register our IRQ
812 * let's try to enable msi firstly
813 * if it fails, use legacy interrupt mode
814 * TODO: support msi multiple vectors
815 */
816 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
817 dev_info(sdev->dev, "use msi interrupt mode\n");
818 sdev->ipc_irq = pci_irq_vector(pci, 0);
819 /* initialised to "false" by kzalloc() */
820 sdev->msi_enabled = true;
821 }
822
823 if (!sdev->msi_enabled) {
824 dev_info(sdev->dev, "use legacy interrupt mode\n");
825 /*
826 * in IO-APIC mode, hda->irq and ipc_irq are using the same
827 * irq number of pci->irq
828 */
829 sdev->ipc_irq = pci->irq;
830 }
831
832 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
833 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
834 hda_dsp_interrupt_thread,
835 IRQF_SHARED, "AudioDSP", sdev);
836 if (ret < 0) {
837 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
838 sdev->ipc_irq);
839 goto free_irq_vector;
840 }
841
842 pci_set_master(pci);
843 synchronize_irq(pci->irq);
844
845 /*
846 * clear TCSEL to clear playback on some HD Audio
847 * codecs. PCI TCSEL is defined in the Intel manuals.
848 */
849 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
850
851 /* init HDA capabilities */
852 ret = hda_init_caps(sdev);
853 if (ret < 0)
854 goto free_ipc_irq;
855
856 if (!sdev->dspless_mode_selected) {
857 /* enable ppcap interrupt */
858 hda_dsp_ctrl_ppcap_enable(sdev, true);
859 hda_dsp_ctrl_ppcap_int_enable(sdev, true);
860
861 /* set default mailbox offset for FW ready message */
862 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
863
864 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
865 }
866
867 chip = get_chip_info(sdev->pdata);
868 if (chip && chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
869 ret = hda_sdw_startup(sdev);
870 if (ret < 0) {
871 dev_err(sdev->dev, "could not startup SoundWire links\n");
872 goto disable_pp_cap;
873 }
874 }
875
876 init_waitqueue_head(&hdev->waitq);
877
878 hdev->nhlt = intel_nhlt_init(sdev->dev);
879
880 return 0;
881
882 disable_pp_cap:
883 if (!sdev->dspless_mode_selected) {
884 hda_dsp_ctrl_ppcap_int_enable(sdev, false);
885 hda_dsp_ctrl_ppcap_enable(sdev, false);
886 }
887 free_ipc_irq:
888 free_irq(sdev->ipc_irq, sdev);
889 free_irq_vector:
890 if (sdev->msi_enabled)
891 pci_free_irq_vectors(pci);
892 free_streams:
893 hda_dsp_stream_free(sdev);
894 /* dsp_unmap: not currently used */
895 if (!sdev->dspless_mode_selected)
896 iounmap(sdev->bar[HDA_DSP_BAR]);
897 hdac_bus_unmap:
898 platform_device_unregister(hdev->dmic_dev);
899
900 return ret;
901 }
902 EXPORT_SYMBOL_NS(hda_dsp_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
903
hda_dsp_remove(struct snd_sof_dev * sdev)904 void hda_dsp_remove(struct snd_sof_dev *sdev)
905 {
906 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
907 const struct sof_intel_dsp_desc *chip = hda->desc;
908 struct pci_dev *pci = to_pci_dev(sdev->dev);
909 struct nhlt_acpi_table *nhlt = hda->nhlt;
910
911 if (nhlt)
912 intel_nhlt_free(nhlt);
913
914 if (!sdev->dspless_mode_selected)
915 /* cancel any attempt for DSP D0I3 */
916 cancel_delayed_work_sync(&hda->d0i3_work);
917
918 hda_codec_device_remove(sdev);
919
920 hda_sdw_exit(sdev);
921
922 if (!IS_ERR_OR_NULL(hda->dmic_dev))
923 platform_device_unregister(hda->dmic_dev);
924
925 if (!sdev->dspless_mode_selected) {
926 /* disable DSP IRQ */
927 hda_dsp_ctrl_ppcap_int_enable(sdev, false);
928 }
929
930 /* disable CIE and GIE interrupts */
931 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
932 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
933
934 if (sdev->dspless_mode_selected)
935 goto skip_disable_dsp;
936
937 /* no need to check for error as the DSP will be disabled anyway */
938 if (chip && chip->power_down_dsp)
939 chip->power_down_dsp(sdev);
940
941 /* disable DSP */
942 hda_dsp_ctrl_ppcap_enable(sdev, false);
943
944 /* Free the persistent DMA buffers used for base firmware download */
945 if (hda->cl_dmab.area)
946 snd_dma_free_pages(&hda->cl_dmab);
947 if (hda->iccmax_dmab.area)
948 snd_dma_free_pages(&hda->iccmax_dmab);
949
950 skip_disable_dsp:
951 free_irq(sdev->ipc_irq, sdev);
952 if (sdev->msi_enabled)
953 pci_free_irq_vectors(pci);
954
955 hda_dsp_stream_free(sdev);
956
957 hda_bus_ml_free(sof_to_bus(sdev));
958
959 if (!sdev->dspless_mode_selected)
960 iounmap(sdev->bar[HDA_DSP_BAR]);
961 }
962 EXPORT_SYMBOL_NS(hda_dsp_remove, "SND_SOC_SOF_INTEL_HDA_GENERIC");
963
hda_dsp_remove_late(struct snd_sof_dev * sdev)964 void hda_dsp_remove_late(struct snd_sof_dev *sdev)
965 {
966 iounmap(sof_to_bus(sdev)->remap_addr);
967 sof_hda_bus_exit(sdev);
968 hda_codec_i915_exit(sdev);
969 }
970
hda_power_down_dsp(struct snd_sof_dev * sdev)971 int hda_power_down_dsp(struct snd_sof_dev *sdev)
972 {
973 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
974 const struct sof_intel_dsp_desc *chip = hda->desc;
975
976 return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
977 }
978 EXPORT_SYMBOL_NS(hda_power_down_dsp, "SND_SOC_SOF_INTEL_HDA_GENERIC");
979
980 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
hda_generic_machine_select(struct snd_sof_dev * sdev,struct snd_soc_acpi_mach ** mach)981 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
982 struct snd_soc_acpi_mach **mach)
983 {
984 struct hdac_bus *bus = sof_to_bus(sdev);
985 struct snd_soc_acpi_mach_params *mach_params;
986 struct snd_soc_acpi_mach *hda_mach;
987 struct snd_sof_pdata *pdata = sdev->pdata;
988 const char *tplg_filename;
989 int codec_num = 0;
990 int i;
991
992 /* codec detection */
993 if (!bus->codec_mask) {
994 dev_info(bus->dev, "no hda codecs found!\n");
995 } else {
996 dev_info(bus->dev, "hda codecs found, mask %lx\n",
997 bus->codec_mask);
998
999 for (i = 0; i < HDA_MAX_CODECS; i++) {
1000 if (bus->codec_mask & (1 << i))
1001 codec_num++;
1002 }
1003
1004 /*
1005 * If no machine driver is found, then:
1006 *
1007 * generic hda machine driver can handle:
1008 * - one HDMI codec, and/or
1009 * - one external HDAudio codec
1010 */
1011 if (!*mach && codec_num <= 2) {
1012 bool tplg_fixup = false;
1013
1014 hda_mach = snd_soc_acpi_intel_hda_machines;
1015
1016 dev_info(bus->dev, "using HDA machine driver %s now\n",
1017 hda_mach->drv_name);
1018
1019 /*
1020 * topology: use the info from hda_machines since tplg file name
1021 * is not overwritten
1022 */
1023 if (!pdata->tplg_filename)
1024 tplg_fixup = true;
1025
1026 if (tplg_fixup &&
1027 codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) {
1028 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1029 "%s-idisp",
1030 hda_mach->sof_tplg_filename);
1031 if (!tplg_filename)
1032 return;
1033
1034 hda_mach->sof_tplg_filename = tplg_filename;
1035 }
1036
1037 if (codec_num == 2 ||
1038 (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
1039 /*
1040 * Prevent SoundWire links from starting when an external
1041 * HDaudio codec is used
1042 */
1043 hda_mach->mach_params.link_mask = 0;
1044 } else {
1045 /*
1046 * Allow SoundWire links to start when no external HDaudio codec
1047 * was detected. This will not create a SoundWire card but
1048 * will help detect if any SoundWire codec reports as ATTACHED.
1049 */
1050 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1051
1052 hda_mach->mach_params.link_mask = hdev->info.link_mask;
1053 }
1054
1055 *mach = hda_mach;
1056 }
1057 }
1058
1059 /* used by hda machine driver to create dai links */
1060 if (*mach) {
1061 mach_params = &(*mach)->mach_params;
1062 mach_params->codec_mask = bus->codec_mask;
1063 }
1064 }
1065 #else
hda_generic_machine_select(struct snd_sof_dev * sdev,struct snd_soc_acpi_mach ** mach)1066 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1067 struct snd_soc_acpi_mach **mach)
1068 {
1069 }
1070 #endif
1071
1072 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1073
hda_sdw_machine_select(struct snd_sof_dev * sdev)1074 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1075 {
1076 struct snd_sof_pdata *pdata = sdev->pdata;
1077 const struct snd_soc_acpi_link_adr *link;
1078 struct sdw_peripherals *peripherals;
1079 struct snd_soc_acpi_mach *mach;
1080 struct sof_intel_hda_dev *hdev;
1081 u32 link_mask;
1082 int i;
1083
1084 hdev = pdata->hw_pdata;
1085 link_mask = hdev->info.link_mask;
1086
1087 if (!link_mask) {
1088 dev_info(sdev->dev, "SoundWire links not enabled\n");
1089 return NULL;
1090 }
1091
1092 if (!hdev->sdw) {
1093 dev_dbg(sdev->dev, "SoundWire context not allocated\n");
1094 return NULL;
1095 }
1096
1097 if (!hdev->sdw->peripherals || !hdev->sdw->peripherals->num_peripherals) {
1098 dev_warn(sdev->dev, "No SoundWire peripheral detected in ACPI tables\n");
1099 return NULL;
1100 }
1101
1102 /*
1103 * Select SoundWire machine driver if needed using the
1104 * alternate tables. This case deals with SoundWire-only
1105 * machines, for mixed cases with I2C/I2S the detection relies
1106 * on the HID list.
1107 */
1108 for (mach = pdata->desc->alt_machines;
1109 mach && mach->link_mask; mach++) {
1110 /*
1111 * On some platforms such as Up Extreme all links
1112 * are enabled but only one link can be used by
1113 * external codec. Instead of exact match of two masks,
1114 * first check whether link_mask of mach is subset of
1115 * link_mask supported by hw and then go on searching
1116 * link_adr
1117 */
1118 if (~link_mask & mach->link_mask)
1119 continue;
1120
1121 /* No need to match adr if there is no links defined */
1122 if (!mach->links)
1123 break;
1124
1125 link = mach->links;
1126 for (i = 0; i < hdev->info.count && link->num_adr;
1127 i++, link++) {
1128 /*
1129 * Try next machine if any expected Slaves
1130 * are not found on this link.
1131 */
1132 if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
1133 hdev->sdw->peripherals))
1134 break;
1135 }
1136 /* Found if all Slaves are checked */
1137 if (i == hdev->info.count || !link->num_adr)
1138 if (!mach->machine_check || mach->machine_check(hdev->sdw))
1139 break;
1140 }
1141 if (mach && mach->link_mask) {
1142 mach->mach_params.links = mach->links;
1143 mach->mach_params.link_mask = mach->link_mask;
1144 mach->mach_params.platform = dev_name(sdev->dev);
1145
1146 return mach;
1147 }
1148
1149 dev_info(sdev->dev, "No SoundWire machine driver found for the ACPI-reported configuration:\n");
1150 peripherals = hdev->sdw->peripherals;
1151 for (i = 0; i < peripherals->num_peripherals; i++)
1152 dev_info(sdev->dev, "link %d mfg_id 0x%04x part_id 0x%04x version %#x\n",
1153 peripherals->array[i]->bus->link_id,
1154 peripherals->array[i]->id.mfg_id,
1155 peripherals->array[i]->id.part_id,
1156 peripherals->array[i]->id.sdw_version);
1157
1158 return NULL;
1159 }
1160 #else
hda_sdw_machine_select(struct snd_sof_dev * sdev)1161 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1162 {
1163 return NULL;
1164 }
1165 #endif
1166
hda_set_mach_params(struct snd_soc_acpi_mach * mach,struct snd_sof_dev * sdev)1167 void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1168 struct snd_sof_dev *sdev)
1169 {
1170 struct snd_sof_pdata *pdata = sdev->pdata;
1171 const struct sof_dev_desc *desc = pdata->desc;
1172 struct snd_soc_acpi_mach_params *mach_params;
1173
1174 mach_params = &mach->mach_params;
1175 mach_params->platform = dev_name(sdev->dev);
1176 if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
1177 sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
1178 mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
1179 else
1180 mach_params->num_dai_drivers = desc->ops->num_drv;
1181 mach_params->dai_drivers = desc->ops->drv;
1182 }
1183
check_tplg_quirk_mask(struct snd_soc_acpi_mach * mach)1184 static int check_tplg_quirk_mask(struct snd_soc_acpi_mach *mach)
1185 {
1186 u32 dmic_ssp_quirk;
1187 u32 codec_amp_name_quirk;
1188
1189 /*
1190 * In current implementation dmic and ssp quirks are designed for es8336
1191 * machine driver and could not be mixed with codec name and amp name
1192 * quirks.
1193 */
1194 dmic_ssp_quirk = mach->tplg_quirk_mask &
1195 (SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER | SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER);
1196 codec_amp_name_quirk = mach->tplg_quirk_mask &
1197 (SND_SOC_ACPI_TPLG_INTEL_AMP_NAME | SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME);
1198
1199 if (dmic_ssp_quirk && codec_amp_name_quirk)
1200 return -EINVAL;
1201
1202 return 0;
1203 }
1204
remove_file_ext(const char * tplg_filename)1205 static char *remove_file_ext(const char *tplg_filename)
1206 {
1207 char *filename, *tmp;
1208
1209 filename = kstrdup(tplg_filename, GFP_KERNEL);
1210 if (!filename)
1211 return NULL;
1212
1213 /* remove file extension if exist */
1214 tmp = filename;
1215 return strsep(&tmp, ".");
1216 }
1217
hda_machine_select(struct snd_sof_dev * sdev)1218 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1219 {
1220 u32 interface_mask = hda_get_interface_mask(sdev);
1221 struct snd_sof_pdata *sof_pdata = sdev->pdata;
1222 const struct sof_dev_desc *desc = sof_pdata->desc;
1223 struct hdac_bus *bus = sof_to_bus(sdev);
1224 struct snd_soc_acpi_mach *mach = NULL;
1225 enum snd_soc_acpi_intel_codec codec_type, amp_type;
1226 const char *tplg_filename;
1227 const char *tplg_suffix;
1228 bool amp_name_valid;
1229 bool i2s_mach_found = false;
1230 bool sdw_mach_found = false;
1231
1232 /* Try I2S or DMIC if it is supported */
1233 if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC))) {
1234 mach = snd_soc_acpi_find_machine(desc->machines);
1235 if (mach)
1236 i2s_mach_found = true;
1237 }
1238
1239 /*
1240 * If I2S fails and no external HDaudio codec is detected,
1241 * try SoundWire if it is supported
1242 */
1243 if (!mach && !HDA_EXT_CODEC(bus->codec_mask) &&
1244 (interface_mask & BIT(SOF_DAI_INTEL_ALH))) {
1245 mach = hda_sdw_machine_select(sdev);
1246 if (mach)
1247 sdw_mach_found = true;
1248 }
1249
1250 /*
1251 * Choose HDA generic machine driver if mach is NULL.
1252 * Otherwise, set certain mach params.
1253 */
1254 hda_generic_machine_select(sdev, &mach);
1255 if (!mach) {
1256 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1257 return NULL;
1258 }
1259
1260 /* report BT offload link mask to machine driver */
1261 mach->mach_params.bt_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_BT);
1262
1263 dev_info(sdev->dev, "BT link detected in NHLT tables: %#x\n",
1264 mach->mach_params.bt_link_mask);
1265
1266 /* allow for module parameter override */
1267 if (bt_link_mask_override) {
1268 dev_dbg(sdev->dev, "overriding BT link detected in NHLT tables %#x by kernel param %#x\n",
1269 mach->mach_params.bt_link_mask, bt_link_mask_override);
1270 mach->mach_params.bt_link_mask = bt_link_mask_override;
1271 }
1272
1273 if (hweight_long(mach->mach_params.bt_link_mask) > 1) {
1274 dev_warn(sdev->dev, "invalid BT link mask %#x found, reset the mask\n",
1275 mach->mach_params.bt_link_mask);
1276 mach->mach_params.bt_link_mask = 0;
1277 }
1278
1279 /*
1280 * Fixup tplg file name by appending dmic num, ssp num, codec/amplifier
1281 * name string if quirk flag is set.
1282 */
1283 if (mach) {
1284 bool tplg_fixup = false;
1285 bool dmic_fixup = false;
1286
1287 /*
1288 * If tplg file name is overridden, use it instead of
1289 * the one set in mach table
1290 */
1291 if (!sof_pdata->tplg_filename) {
1292 /* remove file extension if it exists */
1293 tplg_filename = remove_file_ext(mach->sof_tplg_filename);
1294 if (!tplg_filename)
1295 return NULL;
1296
1297 sof_pdata->tplg_filename = tplg_filename;
1298 tplg_fixup = true;
1299 }
1300
1301 /*
1302 * Checking quirk mask integrity; some quirk flags could not be
1303 * set concurrently.
1304 */
1305 if (tplg_fixup &&
1306 check_tplg_quirk_mask(mach)) {
1307 dev_err(sdev->dev, "Invalid tplg quirk mask 0x%x\n",
1308 mach->tplg_quirk_mask);
1309 return NULL;
1310 }
1311
1312 /* report to machine driver if any DMICs are found */
1313 mach->mach_params.dmic_num = check_dmic_num(sdev);
1314
1315 if (sdw_mach_found || mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER)
1316 dmic_fixup = true;
1317
1318 if (tplg_fixup &&
1319 dmic_fixup &&
1320 mach->mach_params.dmic_num) {
1321 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1322 "%s%s%d%s",
1323 sof_pdata->tplg_filename,
1324 i2s_mach_found ? "-dmic" : "-",
1325 mach->mach_params.dmic_num,
1326 "ch");
1327 if (!tplg_filename)
1328 return NULL;
1329
1330 sof_pdata->tplg_filename = tplg_filename;
1331 }
1332
1333 if (mach->link_mask) {
1334 mach->mach_params.links = mach->links;
1335 mach->mach_params.link_mask = mach->link_mask;
1336 }
1337
1338 /* report SSP link mask to machine driver */
1339 mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_I2S);
1340
1341 if (tplg_fixup &&
1342 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1343 mach->mach_params.i2s_link_mask) {
1344 const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1345 int ssp_num;
1346 int mclk_mask;
1347
1348 if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1349 !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1350 dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1351
1352 /* fls returns 1-based results, SSPs indices are 0-based */
1353 ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1354
1355 if (ssp_num >= chip->ssp_count) {
1356 dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1357 ssp_num, chip->ssp_count);
1358 return NULL;
1359 }
1360
1361 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1362 "%s%s%d",
1363 sof_pdata->tplg_filename,
1364 "-ssp",
1365 ssp_num);
1366 if (!tplg_filename)
1367 return NULL;
1368
1369 sof_pdata->tplg_filename = tplg_filename;
1370
1371 mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1372
1373 if (mclk_mask < 0) {
1374 dev_err(sdev->dev, "Invalid MCLK configuration\n");
1375 return NULL;
1376 }
1377
1378 dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1379
1380 if (mclk_mask) {
1381 dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1382 sdev->mclk_id_override = true;
1383 sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1384 }
1385 }
1386
1387 amp_type = snd_soc_acpi_intel_detect_amp_type(sdev->dev);
1388 codec_type = snd_soc_acpi_intel_detect_codec_type(sdev->dev);
1389 amp_name_valid = amp_type != CODEC_NONE && amp_type != codec_type;
1390
1391 if (tplg_fixup && amp_name_valid &&
1392 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_AMP_NAME) {
1393 tplg_suffix = snd_soc_acpi_intel_get_amp_tplg_suffix(amp_type);
1394 if (!tplg_suffix) {
1395 dev_err(sdev->dev, "no tplg suffix found, amp %d\n",
1396 amp_type);
1397 return NULL;
1398 }
1399
1400 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1401 "%s-%s",
1402 sof_pdata->tplg_filename,
1403 tplg_suffix);
1404 if (!tplg_filename)
1405 return NULL;
1406
1407 sof_pdata->tplg_filename = tplg_filename;
1408 }
1409
1410
1411 if (tplg_fixup &&
1412 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME &&
1413 codec_type != CODEC_NONE) {
1414 tplg_suffix = snd_soc_acpi_intel_get_codec_tplg_suffix(codec_type);
1415 if (!tplg_suffix) {
1416 dev_err(sdev->dev, "no tplg suffix found, codec %d\n",
1417 codec_type);
1418 return NULL;
1419 }
1420
1421 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1422 "%s-%s",
1423 sof_pdata->tplg_filename,
1424 tplg_suffix);
1425 if (!tplg_filename)
1426 return NULL;
1427
1428 sof_pdata->tplg_filename = tplg_filename;
1429 }
1430
1431 if (tplg_fixup) {
1432 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1433 "%s%s",
1434 sof_pdata->tplg_filename,
1435 ".tplg");
1436 if (!tplg_filename)
1437 return NULL;
1438
1439 sof_pdata->tplg_filename = tplg_filename;
1440 }
1441
1442 /* check if mclk_id should be modified from topology defaults */
1443 if (mclk_id_override >= 0) {
1444 dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1445 sdev->mclk_id_override = true;
1446 sdev->mclk_id_quirk = mclk_id_override;
1447 }
1448 }
1449
1450 return mach;
1451 }
1452
hda_pci_intel_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1453 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1454 {
1455 int ret;
1456
1457 ret = snd_intel_dsp_driver_probe(pci);
1458 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1459 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1460 return -ENODEV;
1461 }
1462
1463 return sof_pci_probe(pci, pci_id);
1464 }
1465 EXPORT_SYMBOL_NS(hda_pci_intel_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1466
hda_register_clients(struct snd_sof_dev * sdev)1467 int hda_register_clients(struct snd_sof_dev *sdev)
1468 {
1469 return hda_probes_register(sdev);
1470 }
1471
hda_unregister_clients(struct snd_sof_dev * sdev)1472 void hda_unregister_clients(struct snd_sof_dev *sdev)
1473 {
1474 hda_probes_unregister(sdev);
1475 }
1476
1477 MODULE_LICENSE("Dual BSD/GPL");
1478 MODULE_DESCRIPTION("SOF support for HDaudio platforms");
1479 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");
1480 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC");
1481 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC_I915");
1482 MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");
1483 MODULE_IMPORT_NS("SND_INTEL_SOUNDWIRE_ACPI");
1484 MODULE_IMPORT_NS("SOUNDWIRE_INTEL_INIT");
1485 MODULE_IMPORT_NS("SOUNDWIRE_INTEL");
1486 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_MLINK");
1487 MODULE_IMPORT_NS("SND_SOC_SOF_INTEL_HDA_COMMON");
1488 MODULE_IMPORT_NS("SND_SOC_ACPI_INTEL_MATCH");
1489