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 /* ACE3+ supports microphone privacy */
196 if (chip->hw_ip_version >= SOF_INTEL_ACE_3_0)
197 res.mic_privacy = true;
198 }
199 res.irq = sdev->ipc_irq;
200 res.handle = hdev->info.handle;
201 res.parent = sdev->dev;
202
203 res.dev = sdev->dev;
204 res.clock_stop_quirks = sdw_clock_stop_quirks;
205 res.hbus = sof_to_bus(sdev);
206
207 /*
208 * ops and arg fields are not populated for now,
209 * they will be needed when the DAI callbacks are
210 * provided
211 */
212
213 /* we could filter links here if needed, e.g for quirks */
214 res.count = hdev->info.count;
215 res.link_mask = hdev->info.link_mask;
216
217 sdw = sdw_intel_probe(&res);
218 if (!sdw) {
219 dev_err(sdev->dev, "error: SoundWire probe failed\n");
220 return -EINVAL;
221 }
222
223 /* save context */
224 hdev->sdw = sdw;
225
226 return 0;
227 }
228
hda_sdw_startup(struct snd_sof_dev * sdev)229 int hda_sdw_startup(struct snd_sof_dev *sdev)
230 {
231 struct sof_intel_hda_dev *hdev;
232 struct snd_sof_pdata *pdata = sdev->pdata;
233 int ret;
234
235 hdev = sdev->pdata->hw_pdata;
236
237 if (!hdev->sdw)
238 return 0;
239
240 if (pdata->machine && !pdata->machine->mach_params.link_mask)
241 return 0;
242
243 ret = hda_sdw_check_lcount(sdev);
244 if (ret < 0)
245 return ret;
246
247 return sdw_intel_startup(hdev->sdw);
248 }
249 EXPORT_SYMBOL_NS(hda_sdw_startup, "SND_SOC_SOF_INTEL_HDA_GENERIC");
250
hda_sdw_exit(struct snd_sof_dev * sdev)251 static int hda_sdw_exit(struct snd_sof_dev *sdev)
252 {
253 struct sof_intel_hda_dev *hdev;
254
255 hdev = sdev->pdata->hw_pdata;
256
257 if (hdev->sdw)
258 sdw_intel_exit(hdev->sdw);
259 hdev->sdw = NULL;
260
261 hda_sdw_int_enable(sdev, false);
262
263 return 0;
264 }
265
hda_common_check_sdw_irq(struct snd_sof_dev * sdev)266 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
267 {
268 struct sof_intel_hda_dev *hdev;
269 bool ret = false;
270 u32 irq_status;
271
272 hdev = sdev->pdata->hw_pdata;
273
274 if (!hdev->sdw)
275 return ret;
276
277 /* store status */
278 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
279
280 /* invalid message ? */
281 if (irq_status == 0xffffffff)
282 goto out;
283
284 /* SDW message ? */
285 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
286 ret = true;
287
288 out:
289 return ret;
290 }
291 EXPORT_SYMBOL_NS(hda_common_check_sdw_irq, "SND_SOC_SOF_INTEL_HDA_GENERIC");
292
hda_dsp_check_sdw_irq(struct snd_sof_dev * sdev)293 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
294 {
295 u32 interface_mask = hda_get_interface_mask(sdev);
296 const struct sof_intel_dsp_desc *chip;
297
298 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
299 return false;
300
301 chip = get_chip_info(sdev->pdata);
302 if (chip && chip->check_sdw_irq)
303 return chip->check_sdw_irq(sdev);
304
305 return false;
306 }
307
hda_dsp_sdw_thread(int irq,void * context)308 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
309 {
310 return sdw_intel_thread(irq, context);
311 }
312
hda_sdw_check_wakeen_irq_common(struct snd_sof_dev * sdev)313 bool hda_sdw_check_wakeen_irq_common(struct snd_sof_dev *sdev)
314 {
315 struct sof_intel_hda_dev *hdev;
316
317 hdev = sdev->pdata->hw_pdata;
318 if (hdev->sdw &&
319 snd_sof_dsp_read(sdev, HDA_DSP_BAR,
320 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
321 return true;
322
323 return false;
324 }
325 EXPORT_SYMBOL_NS(hda_sdw_check_wakeen_irq_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
326
hda_sdw_check_wakeen_irq(struct snd_sof_dev * sdev)327 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
328 {
329 u32 interface_mask = hda_get_interface_mask(sdev);
330 const struct sof_intel_dsp_desc *chip;
331
332 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
333 return false;
334
335 chip = get_chip_info(sdev->pdata);
336 if (chip && chip->check_sdw_wakeen_irq)
337 return chip->check_sdw_wakeen_irq(sdev);
338
339 return false;
340 }
341
hda_sdw_process_wakeen_common(struct snd_sof_dev * sdev)342 void hda_sdw_process_wakeen_common(struct snd_sof_dev *sdev)
343 {
344 u32 interface_mask = hda_get_interface_mask(sdev);
345 struct sof_intel_hda_dev *hdev;
346
347 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
348 return;
349
350 hdev = sdev->pdata->hw_pdata;
351 if (!hdev->sdw)
352 return;
353
354 sdw_intel_process_wakeen_event(hdev->sdw);
355 }
356 EXPORT_SYMBOL_NS(hda_sdw_process_wakeen_common, "SND_SOC_SOF_INTEL_HDA_GENERIC");
357
hda_dsp_sdw_check_mic_privacy_irq(struct snd_sof_dev * sdev)358 static bool hda_dsp_sdw_check_mic_privacy_irq(struct snd_sof_dev *sdev)
359 {
360 const struct sof_intel_dsp_desc *chip;
361
362 chip = get_chip_info(sdev->pdata);
363 if (chip && chip->check_mic_privacy_irq)
364 return chip->check_mic_privacy_irq(sdev, true,
365 AZX_REG_ML_LEPTR_ID_SDW);
366
367 return false;
368 }
369
hda_dsp_sdw_process_mic_privacy(struct snd_sof_dev * sdev)370 static void hda_dsp_sdw_process_mic_privacy(struct snd_sof_dev *sdev)
371 {
372 const struct sof_intel_dsp_desc *chip;
373
374 chip = get_chip_info(sdev->pdata);
375 if (chip && chip->process_mic_privacy)
376 chip->process_mic_privacy(sdev, true, AZX_REG_ML_LEPTR_ID_SDW);
377 }
378
379 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
hda_sdw_acpi_scan(struct snd_sof_dev * sdev)380 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
381 {
382 return 0;
383 }
384
hda_sdw_probe(struct snd_sof_dev * sdev)385 static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
386 {
387 return 0;
388 }
389
hda_sdw_exit(struct snd_sof_dev * sdev)390 static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
391 {
392 return 0;
393 }
394
hda_dsp_check_sdw_irq(struct snd_sof_dev * sdev)395 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
396 {
397 return false;
398 }
399
hda_dsp_sdw_thread(int irq,void * context)400 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
401 {
402 return IRQ_HANDLED;
403 }
404
hda_sdw_check_wakeen_irq(struct snd_sof_dev * sdev)405 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
406 {
407 return false;
408 }
409
hda_dsp_sdw_check_mic_privacy_irq(struct snd_sof_dev * sdev)410 static inline bool hda_dsp_sdw_check_mic_privacy_irq(struct snd_sof_dev *sdev)
411 {
412 return false;
413 }
414
hda_dsp_sdw_process_mic_privacy(struct snd_sof_dev * sdev)415 static inline void hda_dsp_sdw_process_mic_privacy(struct snd_sof_dev *sdev) { }
416
417 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
418
419 /* pre fw run operations */
hda_dsp_pre_fw_run(struct snd_sof_dev * sdev)420 int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
421 {
422 /* disable clock gating and power gating */
423 return hda_dsp_ctrl_clock_power_gating(sdev, false);
424 }
425
426 /* post fw run operations */
hda_dsp_post_fw_run(struct snd_sof_dev * sdev)427 int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
428 {
429 int ret;
430
431 if (sdev->first_boot) {
432 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
433
434 ret = hda_sdw_startup(sdev);
435 if (ret < 0) {
436 dev_err(sdev->dev,
437 "error: could not startup SoundWire links\n");
438 return ret;
439 }
440
441 /* Check if IMR boot is usable */
442 if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT) &&
443 (sdev->fw_ready.flags & SOF_IPC_INFO_D3_PERSISTENT ||
444 sdev->pdata->ipc_type == SOF_IPC_TYPE_4)) {
445 hdev->imrboot_supported = true;
446 debugfs_create_bool("skip_imr_boot",
447 0644, sdev->debugfs_root,
448 &hdev->skip_imr_boot);
449 }
450 }
451
452 hda_sdw_int_enable(sdev, true);
453
454 /* re-enable clock gating and power gating */
455 return hda_dsp_ctrl_clock_power_gating(sdev, true);
456 }
457 EXPORT_SYMBOL_NS(hda_dsp_post_fw_run, "SND_SOC_SOF_INTEL_HDA_GENERIC");
458
459 /*
460 * Debug
461 */
462
463 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
464 static bool hda_use_msi = true;
465 module_param_named(use_msi, hda_use_msi, bool, 0444);
466 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
467 #else
468 #define hda_use_msi (1)
469 #endif
470
471 static char *hda_model;
472 module_param(hda_model, charp, 0444);
473 MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
474
475 static int dmic_num_override = -1;
476 module_param_named(dmic_num, dmic_num_override, int, 0444);
477 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
478
479 static int mclk_id_override = -1;
480 module_param_named(mclk_id, mclk_id_override, int, 0444);
481 MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
482
483 static int bt_link_mask_override;
484 module_param_named(bt_link_mask, bt_link_mask_override, int, 0444);
485 MODULE_PARM_DESC(bt_link_mask, "SOF BT offload link mask");
486
hda_init(struct snd_sof_dev * sdev)487 static int hda_init(struct snd_sof_dev *sdev)
488 {
489 struct hda_bus *hbus;
490 struct hdac_bus *bus;
491 struct pci_dev *pci = to_pci_dev(sdev->dev);
492 int ret;
493
494 hbus = sof_to_hbus(sdev);
495 bus = sof_to_bus(sdev);
496
497 /* HDA bus init */
498 sof_hda_bus_init(sdev, &pci->dev);
499
500 if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
501 bus->use_posbuf = 0;
502 else
503 bus->use_posbuf = 1;
504 bus->bdl_pos_adj = 0;
505 bus->sync_write = 1;
506
507 mutex_init(&hbus->prepare_mutex);
508 hbus->pci = pci;
509 hbus->mixer_assigned = -1;
510 hbus->modelname = hda_model;
511
512 /* initialise hdac bus */
513 bus->addr = pci_resource_start(pci, 0);
514 bus->remap_addr = pci_ioremap_bar(pci, 0);
515 if (!bus->remap_addr) {
516 dev_err(bus->dev, "error: ioremap error\n");
517 return -ENXIO;
518 }
519
520 /* HDA base */
521 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
522
523 /* init i915 and HDMI codecs */
524 ret = hda_codec_i915_init(sdev);
525 if (ret < 0 && ret != -ENODEV) {
526 dev_err_probe(sdev->dev, ret, "init of i915 and HDMI codec failed\n");
527 goto out;
528 }
529
530 /* get controller capabilities */
531 ret = hda_dsp_ctrl_get_caps(sdev);
532 if (ret < 0) {
533 dev_err(sdev->dev, "error: get caps error\n");
534 hda_codec_i915_exit(sdev);
535 }
536
537 out:
538 if (ret < 0)
539 iounmap(sof_to_bus(sdev)->remap_addr);
540
541 return ret;
542 }
543
check_dmic_num(struct snd_sof_dev * sdev)544 static int check_dmic_num(struct snd_sof_dev *sdev)
545 {
546 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
547 struct nhlt_acpi_table *nhlt;
548 int dmic_num = 0;
549
550 nhlt = hdev->nhlt;
551 if (nhlt)
552 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
553
554 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
555
556 /* allow for module parameter override */
557 if (dmic_num_override != -1) {
558 dev_dbg(sdev->dev,
559 "overriding DMICs detected in NHLT tables %d by kernel param %d\n",
560 dmic_num, dmic_num_override);
561 dmic_num = dmic_num_override;
562 }
563
564 if (dmic_num < 0 || dmic_num > 4) {
565 dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
566 dmic_num = 0;
567 }
568
569 return dmic_num;
570 }
571
check_nhlt_ssp_mask(struct snd_sof_dev * sdev,u8 device_type)572 static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev, u8 device_type)
573 {
574 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
575 struct nhlt_acpi_table *nhlt;
576 int ssp_mask = 0;
577
578 nhlt = hdev->nhlt;
579 if (!nhlt)
580 return ssp_mask;
581
582 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
583 ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, device_type);
584 if (ssp_mask)
585 dev_info(sdev->dev, "NHLT device %s(%d) detected, ssp_mask %#x\n",
586 device_type == NHLT_DEVICE_BT ? "BT" : "I2S",
587 device_type, ssp_mask);
588 }
589
590 return ssp_mask;
591 }
592
check_nhlt_ssp_mclk_mask(struct snd_sof_dev * sdev,int ssp_num)593 static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
594 {
595 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
596 struct nhlt_acpi_table *nhlt;
597
598 nhlt = hdev->nhlt;
599 if (!nhlt)
600 return 0;
601
602 return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
603 }
604
hda_init_caps(struct snd_sof_dev * sdev)605 static int hda_init_caps(struct snd_sof_dev *sdev)
606 {
607 u32 interface_mask = hda_get_interface_mask(sdev);
608 struct hdac_bus *bus = sof_to_bus(sdev);
609 struct snd_sof_pdata *pdata = sdev->pdata;
610 struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
611 u32 link_mask;
612 int ret = 0;
613
614 /* check if dsp is there */
615 if (bus->ppcap)
616 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
617
618 /* Init HDA controller after i915 init */
619 ret = hda_dsp_ctrl_init_chip(sdev);
620 if (ret < 0) {
621 dev_err(bus->dev, "error: init chip failed with ret: %d\n",
622 ret);
623 return ret;
624 }
625
626 hda_bus_ml_init(bus);
627
628 /* Skip SoundWire if it is not supported */
629 if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
630 goto skip_soundwire;
631
632 /* Skip SoundWire in nocodec mode */
633 if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
634 sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
635 goto skip_soundwire;
636
637 /* scan SoundWire capabilities exposed by DSDT */
638 ret = hda_sdw_acpi_scan(sdev);
639 if (ret < 0) {
640 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
641 goto skip_soundwire;
642 }
643
644 link_mask = hdev->info.link_mask;
645 if (!link_mask) {
646 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
647 goto skip_soundwire;
648 }
649
650 /*
651 * probe/allocate SoundWire resources.
652 * The hardware configuration takes place in hda_sdw_startup
653 * after power rails are enabled.
654 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
655 * devices, so we allocate the resources in all cases.
656 */
657 ret = hda_sdw_probe(sdev);
658 if (ret < 0) {
659 dev_err(sdev->dev, "error: SoundWire probe error\n");
660 return ret;
661 }
662
663 skip_soundwire:
664
665 /* create codec instances */
666 hda_codec_probe_bus(sdev);
667
668 if (!HDA_IDISP_CODEC(bus->codec_mask))
669 hda_codec_i915_display_power(sdev, false);
670
671 hda_bus_ml_put_all(bus);
672
673 return 0;
674 }
675
hda_dsp_interrupt_handler(int irq,void * context)676 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
677 {
678 struct snd_sof_dev *sdev = context;
679
680 /*
681 * Get global interrupt status. It includes all hardware interrupt
682 * sources in the Intel HD Audio controller.
683 */
684 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
685 SOF_HDA_INTSTS_GIS) {
686
687 /* disable GIE interrupt */
688 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
689 SOF_HDA_INTCTL,
690 SOF_HDA_INT_GLOBAL_EN,
691 0);
692
693 return IRQ_WAKE_THREAD;
694 }
695
696 return IRQ_NONE;
697 }
698
hda_dsp_interrupt_thread(int irq,void * context)699 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
700 {
701 struct snd_sof_dev *sdev = context;
702 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
703
704 /* deal with streams and controller first */
705 if (hda_dsp_check_stream_irq(sdev)) {
706 trace_sof_intel_hda_irq(sdev, "stream");
707 hda_dsp_stream_threaded_handler(irq, sdev);
708 }
709
710 if (hda_check_ipc_irq(sdev)) {
711 trace_sof_intel_hda_irq(sdev, "ipc");
712 sof_ops(sdev)->irq_thread(irq, sdev);
713 }
714
715 if (hda_dsp_check_sdw_irq(sdev)) {
716 trace_sof_intel_hda_irq(sdev, "sdw");
717
718 hda_dsp_sdw_thread(irq, hdev->sdw);
719
720 if (hda_dsp_sdw_check_mic_privacy_irq(sdev)) {
721 trace_sof_intel_hda_irq(sdev, "mic privacy");
722 hda_dsp_sdw_process_mic_privacy(sdev);
723 }
724 }
725
726 if (hda_sdw_check_wakeen_irq(sdev)) {
727 trace_sof_intel_hda_irq(sdev, "wakeen");
728 hda_sdw_process_wakeen(sdev);
729 }
730
731 hda_codec_check_for_state_change(sdev);
732
733 /* enable GIE interrupt */
734 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
735 SOF_HDA_INTCTL,
736 SOF_HDA_INT_GLOBAL_EN,
737 SOF_HDA_INT_GLOBAL_EN);
738
739 return IRQ_HANDLED;
740 }
741
hda_dsp_probe_early(struct snd_sof_dev * sdev)742 int hda_dsp_probe_early(struct snd_sof_dev *sdev)
743 {
744 struct pci_dev *pci = to_pci_dev(sdev->dev);
745 struct sof_intel_hda_dev *hdev;
746 const struct sof_intel_dsp_desc *chip;
747 int ret = 0;
748
749 if (!sdev->dspless_mode_selected) {
750 /*
751 * detect DSP by checking class/subclass/prog-id information
752 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
753 * class=04 subclass 01 prog-if 00: DSP is present
754 * (and may be required e.g. for DMIC or SSP support)
755 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
756 */
757 if (pci->class == 0x040300) {
758 dev_err(sdev->dev, "the DSP is not enabled on this platform, aborting probe\n");
759 return -ENODEV;
760 } else if (pci->class != 0x040100 && pci->class != 0x040380) {
761 dev_err(sdev->dev, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
762 pci->class);
763 return -ENODEV;
764 }
765 dev_info_once(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n",
766 pci->class);
767 }
768
769 chip = get_chip_info(sdev->pdata);
770 if (!chip) {
771 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
772 pci->device);
773 ret = -EIO;
774 goto err;
775 }
776
777 sdev->num_cores = chip->cores_num;
778
779 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
780 if (!hdev)
781 return -ENOMEM;
782 sdev->pdata->hw_pdata = hdev;
783 hdev->desc = chip;
784 ret = hda_init(sdev);
785
786 err:
787 return ret;
788 }
789 EXPORT_SYMBOL_NS(hda_dsp_probe_early, "SND_SOC_SOF_INTEL_HDA_GENERIC");
790
hda_dsp_probe(struct snd_sof_dev * sdev)791 int hda_dsp_probe(struct snd_sof_dev *sdev)
792 {
793 struct pci_dev *pci = to_pci_dev(sdev->dev);
794 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
795 const struct sof_intel_dsp_desc *chip;
796 int ret = 0;
797
798 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
799 PLATFORM_DEVID_NONE,
800 NULL, 0);
801 if (IS_ERR(hdev->dmic_dev)) {
802 dev_err(sdev->dev, "error: failed to create DMIC device\n");
803 return PTR_ERR(hdev->dmic_dev);
804 }
805
806 /*
807 * use position update IPC if either it is forced
808 * or we don't have other choice
809 */
810 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
811 hdev->no_ipc_position = 0;
812 #else
813 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
814 #endif
815
816 if (sdev->dspless_mode_selected)
817 hdev->no_ipc_position = 1;
818
819 if (sdev->dspless_mode_selected)
820 goto skip_dsp_setup;
821
822 /* DSP base */
823 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
824 if (!sdev->bar[HDA_DSP_BAR]) {
825 dev_err(sdev->dev, "error: ioremap error\n");
826 ret = -ENXIO;
827 goto hdac_bus_unmap;
828 }
829
830 sdev->mmio_bar = HDA_DSP_BAR;
831 sdev->mailbox_bar = HDA_DSP_BAR;
832 skip_dsp_setup:
833
834 /* allow 64bit DMA address if supported by H/W */
835 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
836 dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
837 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
838 }
839 dma_set_max_seg_size(&pci->dev, UINT_MAX);
840
841 /* init streams */
842 ret = hda_dsp_stream_init(sdev);
843 if (ret < 0) {
844 dev_err(sdev->dev, "error: failed to init streams\n");
845 /*
846 * not all errors are due to memory issues, but trying
847 * to free everything does not harm
848 */
849 goto free_streams;
850 }
851
852 /*
853 * register our IRQ
854 * let's try to enable msi firstly
855 * if it fails, use legacy interrupt mode
856 * TODO: support msi multiple vectors
857 */
858 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
859 dev_info(sdev->dev, "use msi interrupt mode\n");
860 sdev->ipc_irq = pci_irq_vector(pci, 0);
861 /* initialised to "false" by kzalloc() */
862 sdev->msi_enabled = true;
863 }
864
865 if (!sdev->msi_enabled) {
866 dev_info(sdev->dev, "use legacy interrupt mode\n");
867 /*
868 * in IO-APIC mode, hda->irq and ipc_irq are using the same
869 * irq number of pci->irq
870 */
871 sdev->ipc_irq = pci->irq;
872 }
873
874 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
875 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
876 hda_dsp_interrupt_thread,
877 IRQF_SHARED, "AudioDSP", sdev);
878 if (ret < 0) {
879 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
880 sdev->ipc_irq);
881 goto free_irq_vector;
882 }
883
884 pci_set_master(pci);
885 synchronize_irq(pci->irq);
886
887 /*
888 * clear TCSEL to clear playback on some HD Audio
889 * codecs. PCI TCSEL is defined in the Intel manuals.
890 */
891 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
892
893 /* init HDA capabilities */
894 ret = hda_init_caps(sdev);
895 if (ret < 0)
896 goto free_ipc_irq;
897
898 if (!sdev->dspless_mode_selected) {
899 /* enable ppcap interrupt */
900 hda_dsp_ctrl_ppcap_enable(sdev, true);
901 hda_dsp_ctrl_ppcap_int_enable(sdev, true);
902
903 /* set default mailbox offset for FW ready message */
904 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
905
906 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
907 }
908
909 chip = get_chip_info(sdev->pdata);
910 if (chip && chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
911 ret = hda_sdw_startup(sdev);
912 if (ret < 0) {
913 dev_err(sdev->dev, "could not startup SoundWire links\n");
914 goto disable_pp_cap;
915 }
916 }
917
918 init_waitqueue_head(&hdev->waitq);
919
920 hdev->nhlt = intel_nhlt_init(sdev->dev);
921
922 return 0;
923
924 disable_pp_cap:
925 if (!sdev->dspless_mode_selected) {
926 hda_dsp_ctrl_ppcap_int_enable(sdev, false);
927 hda_dsp_ctrl_ppcap_enable(sdev, false);
928 }
929 free_ipc_irq:
930 free_irq(sdev->ipc_irq, sdev);
931 free_irq_vector:
932 if (sdev->msi_enabled)
933 pci_free_irq_vectors(pci);
934 free_streams:
935 hda_dsp_stream_free(sdev);
936 /* dsp_unmap: not currently used */
937 if (!sdev->dspless_mode_selected)
938 iounmap(sdev->bar[HDA_DSP_BAR]);
939 hdac_bus_unmap:
940 platform_device_unregister(hdev->dmic_dev);
941
942 return ret;
943 }
944 EXPORT_SYMBOL_NS(hda_dsp_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
945
hda_dsp_remove(struct snd_sof_dev * sdev)946 void hda_dsp_remove(struct snd_sof_dev *sdev)
947 {
948 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
949 const struct sof_intel_dsp_desc *chip = hda->desc;
950 struct pci_dev *pci = to_pci_dev(sdev->dev);
951 struct nhlt_acpi_table *nhlt = hda->nhlt;
952
953 if (nhlt)
954 intel_nhlt_free(nhlt);
955
956 if (!sdev->dspless_mode_selected)
957 /* cancel any attempt for DSP D0I3 */
958 cancel_delayed_work_sync(&hda->d0i3_work);
959
960 hda_codec_device_remove(sdev);
961
962 hda_sdw_exit(sdev);
963
964 if (!IS_ERR_OR_NULL(hda->dmic_dev))
965 platform_device_unregister(hda->dmic_dev);
966
967 if (!sdev->dspless_mode_selected) {
968 /* disable DSP IRQ */
969 hda_dsp_ctrl_ppcap_int_enable(sdev, false);
970 }
971
972 /* disable CIE and GIE interrupts */
973 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
974 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
975
976 if (sdev->dspless_mode_selected)
977 goto skip_disable_dsp;
978
979 /* Cancel the microphone privacy work if mic privacy is active */
980 if (hda->mic_privacy.active)
981 cancel_work_sync(&hda->mic_privacy.work);
982
983 /* no need to check for error as the DSP will be disabled anyway */
984 if (chip && chip->power_down_dsp)
985 chip->power_down_dsp(sdev);
986
987 /* disable DSP */
988 hda_dsp_ctrl_ppcap_enable(sdev, false);
989
990 /* Free the persistent DMA buffers used for base firmware download */
991 if (hda->cl_dmab.area)
992 snd_dma_free_pages(&hda->cl_dmab);
993 if (hda->iccmax_dmab.area)
994 snd_dma_free_pages(&hda->iccmax_dmab);
995
996 skip_disable_dsp:
997 free_irq(sdev->ipc_irq, sdev);
998 if (sdev->msi_enabled)
999 pci_free_irq_vectors(pci);
1000
1001 hda_dsp_stream_free(sdev);
1002
1003 hda_bus_ml_free(sof_to_bus(sdev));
1004
1005 if (!sdev->dspless_mode_selected)
1006 iounmap(sdev->bar[HDA_DSP_BAR]);
1007 }
1008 EXPORT_SYMBOL_NS(hda_dsp_remove, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1009
hda_dsp_remove_late(struct snd_sof_dev * sdev)1010 void hda_dsp_remove_late(struct snd_sof_dev *sdev)
1011 {
1012 iounmap(sof_to_bus(sdev)->remap_addr);
1013 sof_hda_bus_exit(sdev);
1014 hda_codec_i915_exit(sdev);
1015 }
1016
hda_power_down_dsp(struct snd_sof_dev * sdev)1017 int hda_power_down_dsp(struct snd_sof_dev *sdev)
1018 {
1019 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1020 const struct sof_intel_dsp_desc *chip = hda->desc;
1021
1022 return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
1023 }
1024 EXPORT_SYMBOL_NS(hda_power_down_dsp, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1025
1026 #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)1027 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1028 struct snd_soc_acpi_mach **mach)
1029 {
1030 struct hdac_bus *bus = sof_to_bus(sdev);
1031 struct snd_soc_acpi_mach_params *mach_params;
1032 struct snd_soc_acpi_mach *hda_mach;
1033 struct snd_sof_pdata *pdata = sdev->pdata;
1034 const char *tplg_filename;
1035 int codec_num = 0;
1036 int i;
1037
1038 /* codec detection */
1039 if (!bus->codec_mask) {
1040 dev_info(bus->dev, "no hda codecs found!\n");
1041 } else {
1042 dev_info(bus->dev, "hda codecs found, mask %lx\n",
1043 bus->codec_mask);
1044
1045 for (i = 0; i < HDA_MAX_CODECS; i++) {
1046 if (bus->codec_mask & (1 << i))
1047 codec_num++;
1048 }
1049
1050 /*
1051 * If no machine driver is found, then:
1052 *
1053 * generic hda machine driver can handle:
1054 * - one HDMI codec, and/or
1055 * - one external HDAudio codec
1056 */
1057 if (!*mach && codec_num <= 2) {
1058 bool tplg_fixup = false;
1059
1060 /*
1061 * make a local copy of the match array since we might
1062 * be modifying it
1063 */
1064 hda_mach = devm_kmemdup_array(sdev->dev,
1065 snd_soc_acpi_intel_hda_machines,
1066 2, /* we have one entry + sentinel in the array */
1067 sizeof(snd_soc_acpi_intel_hda_machines[0]),
1068 GFP_KERNEL);
1069 if (!hda_mach) {
1070 dev_err(bus->dev,
1071 "%s: failed to duplicate the HDA match table\n",
1072 __func__);
1073 return;
1074 }
1075
1076 dev_info(bus->dev, "using HDA machine driver %s now\n",
1077 hda_mach->drv_name);
1078
1079 /*
1080 * topology: use the info from hda_machines since tplg file name
1081 * is not overwritten
1082 */
1083 if (!pdata->tplg_filename)
1084 tplg_fixup = true;
1085
1086 if (tplg_fixup &&
1087 codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) {
1088 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1089 "%s-idisp",
1090 hda_mach->sof_tplg_filename);
1091 if (!tplg_filename)
1092 return;
1093
1094 hda_mach->sof_tplg_filename = tplg_filename;
1095 }
1096
1097 if (codec_num == 2 ||
1098 (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
1099 /*
1100 * Prevent SoundWire links from starting when an external
1101 * HDaudio codec is used
1102 */
1103 hda_mach->mach_params.link_mask = 0;
1104 } else {
1105 /*
1106 * Allow SoundWire links to start when no external HDaudio codec
1107 * was detected. This will not create a SoundWire card but
1108 * will help detect if any SoundWire codec reports as ATTACHED.
1109 */
1110 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1111
1112 hda_mach->mach_params.link_mask = hdev->info.link_mask;
1113 }
1114
1115 *mach = hda_mach;
1116 }
1117 }
1118
1119 /* used by hda machine driver to create dai links */
1120 if (*mach) {
1121 mach_params = &(*mach)->mach_params;
1122 mach_params->codec_mask = bus->codec_mask;
1123 }
1124 }
1125 #else
hda_generic_machine_select(struct snd_sof_dev * sdev,struct snd_soc_acpi_mach ** mach)1126 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1127 struct snd_soc_acpi_mach **mach)
1128 {
1129 }
1130 #endif
1131
1132 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1133
hda_sdw_machine_select(struct snd_sof_dev * sdev)1134 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1135 {
1136 struct snd_sof_pdata *pdata = sdev->pdata;
1137 const struct snd_soc_acpi_link_adr *link;
1138 struct sdw_peripherals *peripherals;
1139 struct snd_soc_acpi_mach *mach;
1140 struct sof_intel_hda_dev *hdev;
1141 u32 link_mask;
1142 int i;
1143
1144 hdev = pdata->hw_pdata;
1145 link_mask = hdev->info.link_mask;
1146
1147 if (!link_mask) {
1148 dev_info(sdev->dev, "SoundWire links not enabled\n");
1149 return NULL;
1150 }
1151
1152 if (!hdev->sdw) {
1153 dev_dbg(sdev->dev, "SoundWire context not allocated\n");
1154 return NULL;
1155 }
1156
1157 if (!hdev->sdw->peripherals || !hdev->sdw->peripherals->num_peripherals) {
1158 dev_warn(sdev->dev, "No SoundWire peripheral detected in ACPI tables\n");
1159 return NULL;
1160 }
1161
1162 /*
1163 * Select SoundWire machine driver if needed using the
1164 * alternate tables. This case deals with SoundWire-only
1165 * machines, for mixed cases with I2C/I2S the detection relies
1166 * on the HID list.
1167 */
1168 for (mach = pdata->desc->alt_machines;
1169 mach && mach->link_mask; mach++) {
1170 /*
1171 * On some platforms such as Up Extreme all links
1172 * are enabled but only one link can be used by
1173 * external codec. Instead of exact match of two masks,
1174 * first check whether link_mask of mach is subset of
1175 * link_mask supported by hw and then go on searching
1176 * link_adr
1177 */
1178 if (~link_mask & mach->link_mask)
1179 continue;
1180
1181 /* No need to match adr if there is no links defined */
1182 if (!mach->links)
1183 break;
1184
1185 link = mach->links;
1186 for (i = 0; i < hdev->info.count && link->num_adr;
1187 i++, link++) {
1188 /*
1189 * Try next machine if any expected Slaves
1190 * are not found on this link.
1191 */
1192 if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
1193 hdev->sdw->peripherals))
1194 break;
1195 }
1196 /* Found if all Slaves are checked */
1197 if (i == hdev->info.count || !link->num_adr)
1198 if (!mach->machine_check || mach->machine_check(hdev->sdw))
1199 break;
1200 }
1201 if (mach && mach->link_mask) {
1202 mach->mach_params.links = mach->links;
1203 mach->mach_params.link_mask = mach->link_mask;
1204 mach->mach_params.platform = dev_name(sdev->dev);
1205
1206 return mach;
1207 }
1208
1209 dev_info(sdev->dev, "No SoundWire machine driver found for the ACPI-reported configuration:\n");
1210 peripherals = hdev->sdw->peripherals;
1211 for (i = 0; i < peripherals->num_peripherals; i++)
1212 dev_info(sdev->dev, "link %d mfg_id 0x%04x part_id 0x%04x version %#x\n",
1213 peripherals->array[i]->bus->link_id,
1214 peripherals->array[i]->id.mfg_id,
1215 peripherals->array[i]->id.part_id,
1216 peripherals->array[i]->id.sdw_version);
1217
1218 return NULL;
1219 }
1220 #else
hda_sdw_machine_select(struct snd_sof_dev * sdev)1221 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1222 {
1223 return NULL;
1224 }
1225 #endif
1226
hda_set_mach_params(struct snd_soc_acpi_mach * mach,struct snd_sof_dev * sdev)1227 void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1228 struct snd_sof_dev *sdev)
1229 {
1230 struct snd_sof_pdata *pdata = sdev->pdata;
1231 const struct sof_dev_desc *desc = pdata->desc;
1232 struct snd_soc_acpi_mach_params *mach_params;
1233
1234 mach_params = &mach->mach_params;
1235 mach_params->platform = dev_name(sdev->dev);
1236 if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
1237 sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
1238 mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
1239 else
1240 mach_params->num_dai_drivers = desc->ops->num_drv;
1241 mach_params->dai_drivers = desc->ops->drv;
1242 }
1243
check_tplg_quirk_mask(struct snd_soc_acpi_mach * mach)1244 static int check_tplg_quirk_mask(struct snd_soc_acpi_mach *mach)
1245 {
1246 u32 dmic_ssp_quirk;
1247 u32 codec_amp_name_quirk;
1248
1249 /*
1250 * In current implementation dmic and ssp quirks are designed for es8336
1251 * machine driver and could not be mixed with codec name and amp name
1252 * quirks.
1253 */
1254 dmic_ssp_quirk = mach->tplg_quirk_mask &
1255 (SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER | SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER);
1256 codec_amp_name_quirk = mach->tplg_quirk_mask &
1257 (SND_SOC_ACPI_TPLG_INTEL_AMP_NAME | SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME);
1258
1259 if (dmic_ssp_quirk && codec_amp_name_quirk)
1260 return -EINVAL;
1261
1262 return 0;
1263 }
1264
remove_file_ext(struct device * dev,const char * tplg_filename)1265 static char *remove_file_ext(struct device *dev, const char *tplg_filename)
1266 {
1267 char *filename, *tmp;
1268
1269 filename = devm_kstrdup(dev, tplg_filename, GFP_KERNEL);
1270 if (!filename)
1271 return NULL;
1272
1273 /* remove file extension if exist */
1274 tmp = filename;
1275 return strsep(&tmp, ".");
1276 }
1277
hda_machine_select(struct snd_sof_dev * sdev)1278 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1279 {
1280 u32 interface_mask = hda_get_interface_mask(sdev);
1281 struct snd_sof_pdata *sof_pdata = sdev->pdata;
1282 const struct sof_dev_desc *desc = sof_pdata->desc;
1283 struct hdac_bus *bus = sof_to_bus(sdev);
1284 struct snd_soc_acpi_mach *mach = NULL;
1285 enum snd_soc_acpi_intel_codec codec_type, amp_type;
1286 const char *tplg_filename;
1287 const char *tplg_suffix;
1288 bool amp_name_valid;
1289 bool i2s_mach_found = false;
1290 bool sdw_mach_found = false;
1291
1292 /* Try I2S or DMIC if it is supported */
1293 if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC))) {
1294 mach = snd_soc_acpi_find_machine(desc->machines);
1295 if (mach)
1296 i2s_mach_found = true;
1297 }
1298
1299 /*
1300 * If I2S fails and no external HDaudio codec is detected,
1301 * try SoundWire if it is supported
1302 */
1303 if (!mach && !HDA_EXT_CODEC(bus->codec_mask) &&
1304 (interface_mask & BIT(SOF_DAI_INTEL_ALH))) {
1305 mach = hda_sdw_machine_select(sdev);
1306 if (mach)
1307 sdw_mach_found = true;
1308 }
1309
1310 /*
1311 * Choose HDA generic machine driver if mach is NULL.
1312 * Otherwise, set certain mach params.
1313 */
1314 hda_generic_machine_select(sdev, &mach);
1315 if (!mach) {
1316 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1317 return NULL;
1318 }
1319
1320 /* report BT offload link mask to machine driver */
1321 mach->mach_params.bt_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_BT);
1322
1323 dev_info(sdev->dev, "BT link detected in NHLT tables: %#x\n",
1324 mach->mach_params.bt_link_mask);
1325
1326 /* allow for module parameter override */
1327 if (bt_link_mask_override) {
1328 dev_dbg(sdev->dev, "overriding BT link detected in NHLT tables %#x by kernel param %#x\n",
1329 mach->mach_params.bt_link_mask, bt_link_mask_override);
1330 mach->mach_params.bt_link_mask = bt_link_mask_override;
1331 }
1332
1333 if (hweight_long(mach->mach_params.bt_link_mask) > 1) {
1334 dev_warn(sdev->dev, "invalid BT link mask %#x found, reset the mask\n",
1335 mach->mach_params.bt_link_mask);
1336 mach->mach_params.bt_link_mask = 0;
1337 }
1338
1339 /*
1340 * Fixup tplg file name by appending dmic num, ssp num, codec/amplifier
1341 * name string if quirk flag is set.
1342 */
1343 if (mach) {
1344 bool tplg_fixup = false;
1345 bool dmic_fixup = false;
1346
1347 /*
1348 * If tplg file name is overridden, use it instead of
1349 * the one set in mach table
1350 */
1351 if (!sof_pdata->tplg_filename) {
1352 /* remove file extension if it exists */
1353 tplg_filename = remove_file_ext(sdev->dev, mach->sof_tplg_filename);
1354 if (!tplg_filename)
1355 return NULL;
1356
1357 sof_pdata->tplg_filename = tplg_filename;
1358 tplg_fixup = true;
1359 }
1360
1361 /*
1362 * Checking quirk mask integrity; some quirk flags could not be
1363 * set concurrently.
1364 */
1365 if (tplg_fixup &&
1366 check_tplg_quirk_mask(mach)) {
1367 dev_err(sdev->dev, "Invalid tplg quirk mask 0x%x\n",
1368 mach->tplg_quirk_mask);
1369 return NULL;
1370 }
1371
1372 /* report to machine driver if any DMICs are found */
1373 mach->mach_params.dmic_num = check_dmic_num(sdev);
1374
1375 if (sdw_mach_found || mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER)
1376 dmic_fixup = true;
1377
1378 if (tplg_fixup &&
1379 dmic_fixup &&
1380 mach->mach_params.dmic_num) {
1381 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1382 "%s%s%d%s",
1383 sof_pdata->tplg_filename,
1384 i2s_mach_found ? "-dmic" : "-",
1385 mach->mach_params.dmic_num,
1386 "ch");
1387 if (!tplg_filename)
1388 return NULL;
1389
1390 sof_pdata->tplg_filename = tplg_filename;
1391 }
1392
1393 if (mach->link_mask) {
1394 mach->mach_params.links = mach->links;
1395 mach->mach_params.link_mask = mach->link_mask;
1396 }
1397
1398 /* report SSP link mask to machine driver */
1399 mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_I2S);
1400
1401 if (tplg_fixup &&
1402 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1403 mach->mach_params.i2s_link_mask) {
1404 const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1405 int ssp_num;
1406 int mclk_mask;
1407
1408 if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1409 !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1410 dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1411
1412 /* fls returns 1-based results, SSPs indices are 0-based */
1413 ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1414
1415 if (ssp_num >= chip->ssp_count) {
1416 dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1417 ssp_num, chip->ssp_count);
1418 return NULL;
1419 }
1420
1421 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1422 "%s%s%d",
1423 sof_pdata->tplg_filename,
1424 "-ssp",
1425 ssp_num);
1426 if (!tplg_filename)
1427 return NULL;
1428
1429 sof_pdata->tplg_filename = tplg_filename;
1430
1431 mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1432
1433 if (mclk_mask < 0) {
1434 dev_err(sdev->dev, "Invalid MCLK configuration\n");
1435 return NULL;
1436 }
1437
1438 dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1439
1440 if (mclk_mask) {
1441 dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1442 sdev->mclk_id_override = true;
1443 sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1444 }
1445 }
1446
1447 amp_type = snd_soc_acpi_intel_detect_amp_type(sdev->dev);
1448 codec_type = snd_soc_acpi_intel_detect_codec_type(sdev->dev);
1449 amp_name_valid = amp_type != CODEC_NONE && amp_type != codec_type;
1450
1451 if (tplg_fixup && amp_name_valid &&
1452 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_AMP_NAME) {
1453 tplg_suffix = snd_soc_acpi_intel_get_amp_tplg_suffix(amp_type);
1454 if (!tplg_suffix) {
1455 dev_err(sdev->dev, "no tplg suffix found, amp %d\n",
1456 amp_type);
1457 return NULL;
1458 }
1459
1460 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1461 "%s-%s",
1462 sof_pdata->tplg_filename,
1463 tplg_suffix);
1464 if (!tplg_filename)
1465 return NULL;
1466
1467 sof_pdata->tplg_filename = tplg_filename;
1468 }
1469
1470
1471 if (tplg_fixup &&
1472 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME &&
1473 codec_type != CODEC_NONE) {
1474 tplg_suffix = snd_soc_acpi_intel_get_codec_tplg_suffix(codec_type);
1475 if (!tplg_suffix) {
1476 dev_err(sdev->dev, "no tplg suffix found, codec %d\n",
1477 codec_type);
1478 return NULL;
1479 }
1480
1481 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1482 "%s-%s",
1483 sof_pdata->tplg_filename,
1484 tplg_suffix);
1485 if (!tplg_filename)
1486 return NULL;
1487
1488 sof_pdata->tplg_filename = tplg_filename;
1489 }
1490
1491 if (tplg_fixup) {
1492 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1493 "%s%s",
1494 sof_pdata->tplg_filename,
1495 ".tplg");
1496 if (!tplg_filename)
1497 return NULL;
1498
1499 sof_pdata->tplg_filename = tplg_filename;
1500 }
1501
1502 /* check if mclk_id should be modified from topology defaults */
1503 if (mclk_id_override >= 0) {
1504 dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1505 sdev->mclk_id_override = true;
1506 sdev->mclk_id_quirk = mclk_id_override;
1507 }
1508 }
1509
1510 return mach;
1511 }
1512
hda_pci_intel_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1513 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1514 {
1515 int ret;
1516
1517 ret = snd_intel_dsp_driver_probe(pci);
1518 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1519 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1520 return -ENODEV;
1521 }
1522
1523 return sof_pci_probe(pci, pci_id);
1524 }
1525 EXPORT_SYMBOL_NS(hda_pci_intel_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1526
hda_register_clients(struct snd_sof_dev * sdev)1527 int hda_register_clients(struct snd_sof_dev *sdev)
1528 {
1529 return hda_probes_register(sdev);
1530 }
1531
hda_unregister_clients(struct snd_sof_dev * sdev)1532 void hda_unregister_clients(struct snd_sof_dev *sdev)
1533 {
1534 hda_probes_unregister(sdev);
1535 }
1536
1537 MODULE_LICENSE("Dual BSD/GPL");
1538 MODULE_DESCRIPTION("SOF support for HDaudio platforms");
1539 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");
1540 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC");
1541 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC_I915");
1542 MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");
1543 MODULE_IMPORT_NS("SND_INTEL_SOUNDWIRE_ACPI");
1544 MODULE_IMPORT_NS("SOUNDWIRE_INTEL_INIT");
1545 MODULE_IMPORT_NS("SOUNDWIRE_INTEL");
1546 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_MLINK");
1547 MODULE_IMPORT_NS("SND_SOC_SOF_INTEL_HDA_COMMON");
1548 MODULE_IMPORT_NS("SND_SOC_ACPI_INTEL_MATCH");
1549