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 /* scan SoundWire capabilities exposed by DSDT */
633 ret = hda_sdw_acpi_scan(sdev);
634 if (ret < 0) {
635 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
636 goto skip_soundwire;
637 }
638
639 link_mask = hdev->info.link_mask;
640 if (!link_mask) {
641 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
642 goto skip_soundwire;
643 }
644
645 /*
646 * probe/allocate SoundWire resources.
647 * The hardware configuration takes place in hda_sdw_startup
648 * after power rails are enabled.
649 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
650 * devices, so we allocate the resources in all cases.
651 */
652 ret = hda_sdw_probe(sdev);
653 if (ret < 0) {
654 dev_err(sdev->dev, "error: SoundWire probe error\n");
655 return ret;
656 }
657
658 skip_soundwire:
659
660 /* create codec instances */
661 hda_codec_probe_bus(sdev);
662
663 if (!HDA_IDISP_CODEC(bus->codec_mask))
664 hda_codec_i915_display_power(sdev, false);
665
666 hda_bus_ml_put_all(bus);
667
668 return 0;
669 }
670
hda_dsp_interrupt_handler(int irq,void * context)671 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
672 {
673 struct snd_sof_dev *sdev = context;
674
675 /*
676 * Get global interrupt status. It includes all hardware interrupt
677 * sources in the Intel HD Audio controller.
678 */
679 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
680 SOF_HDA_INTSTS_GIS) {
681
682 /* disable GIE interrupt */
683 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
684 SOF_HDA_INTCTL,
685 SOF_HDA_INT_GLOBAL_EN,
686 0);
687
688 return IRQ_WAKE_THREAD;
689 }
690
691 return IRQ_NONE;
692 }
693
hda_dsp_interrupt_thread(int irq,void * context)694 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
695 {
696 struct snd_sof_dev *sdev = context;
697 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
698
699 /* deal with streams and controller first */
700 if (hda_dsp_check_stream_irq(sdev)) {
701 trace_sof_intel_hda_irq(sdev, "stream");
702 hda_dsp_stream_threaded_handler(irq, sdev);
703 }
704
705 if (hda_check_ipc_irq(sdev)) {
706 trace_sof_intel_hda_irq(sdev, "ipc");
707 sof_ops(sdev)->irq_thread(irq, sdev);
708 }
709
710 if (hda_dsp_check_sdw_irq(sdev)) {
711 trace_sof_intel_hda_irq(sdev, "sdw");
712
713 hda_dsp_sdw_thread(irq, hdev->sdw);
714
715 if (hda_dsp_sdw_check_mic_privacy_irq(sdev)) {
716 trace_sof_intel_hda_irq(sdev, "mic privacy");
717 hda_dsp_sdw_process_mic_privacy(sdev);
718 }
719 }
720
721 if (hda_sdw_check_wakeen_irq(sdev)) {
722 trace_sof_intel_hda_irq(sdev, "wakeen");
723 hda_sdw_process_wakeen(sdev);
724 }
725
726 hda_codec_check_for_state_change(sdev);
727
728 /* enable GIE interrupt */
729 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
730 SOF_HDA_INTCTL,
731 SOF_HDA_INT_GLOBAL_EN,
732 SOF_HDA_INT_GLOBAL_EN);
733
734 return IRQ_HANDLED;
735 }
736
hda_dsp_probe_early(struct snd_sof_dev * sdev)737 int hda_dsp_probe_early(struct snd_sof_dev *sdev)
738 {
739 struct pci_dev *pci = to_pci_dev(sdev->dev);
740 struct sof_intel_hda_dev *hdev;
741 const struct sof_intel_dsp_desc *chip;
742 int ret = 0;
743
744 if (!sdev->dspless_mode_selected) {
745 /*
746 * detect DSP by checking class/subclass/prog-id information
747 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
748 * class=04 subclass 01 prog-if 00: DSP is present
749 * (and may be required e.g. for DMIC or SSP support)
750 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
751 */
752 if (pci->class == 0x040300) {
753 dev_err(sdev->dev, "the DSP is not enabled on this platform, aborting probe\n");
754 return -ENODEV;
755 } else if (pci->class != 0x040100 && pci->class != 0x040380) {
756 dev_err(sdev->dev, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
757 pci->class);
758 return -ENODEV;
759 }
760 dev_info_once(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n",
761 pci->class);
762 }
763
764 chip = get_chip_info(sdev->pdata);
765 if (!chip) {
766 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
767 pci->device);
768 ret = -EIO;
769 goto err;
770 }
771
772 sdev->num_cores = chip->cores_num;
773
774 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
775 if (!hdev)
776 return -ENOMEM;
777 sdev->pdata->hw_pdata = hdev;
778 hdev->desc = chip;
779 ret = hda_init(sdev);
780
781 err:
782 return ret;
783 }
784 EXPORT_SYMBOL_NS(hda_dsp_probe_early, "SND_SOC_SOF_INTEL_HDA_GENERIC");
785
hda_dsp_probe(struct snd_sof_dev * sdev)786 int hda_dsp_probe(struct snd_sof_dev *sdev)
787 {
788 struct pci_dev *pci = to_pci_dev(sdev->dev);
789 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
790 const struct sof_intel_dsp_desc *chip;
791 int ret = 0;
792
793 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
794 PLATFORM_DEVID_NONE,
795 NULL, 0);
796 if (IS_ERR(hdev->dmic_dev)) {
797 dev_err(sdev->dev, "error: failed to create DMIC device\n");
798 return PTR_ERR(hdev->dmic_dev);
799 }
800
801 /*
802 * use position update IPC if either it is forced
803 * or we don't have other choice
804 */
805 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
806 hdev->no_ipc_position = 0;
807 #else
808 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
809 #endif
810
811 if (sdev->dspless_mode_selected)
812 hdev->no_ipc_position = 1;
813
814 if (sdev->dspless_mode_selected)
815 goto skip_dsp_setup;
816
817 /* DSP base */
818 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
819 if (!sdev->bar[HDA_DSP_BAR]) {
820 dev_err(sdev->dev, "error: ioremap error\n");
821 ret = -ENXIO;
822 goto hdac_bus_unmap;
823 }
824
825 sdev->mmio_bar = HDA_DSP_BAR;
826 sdev->mailbox_bar = HDA_DSP_BAR;
827 skip_dsp_setup:
828
829 /* allow 64bit DMA address if supported by H/W */
830 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
831 dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
832 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
833 }
834 dma_set_max_seg_size(&pci->dev, UINT_MAX);
835
836 /* init streams */
837 ret = hda_dsp_stream_init(sdev);
838 if (ret < 0) {
839 dev_err(sdev->dev, "error: failed to init streams\n");
840 /*
841 * not all errors are due to memory issues, but trying
842 * to free everything does not harm
843 */
844 goto free_streams;
845 }
846
847 /*
848 * register our IRQ
849 * let's try to enable msi firstly
850 * if it fails, use legacy interrupt mode
851 * TODO: support msi multiple vectors
852 */
853 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
854 dev_info(sdev->dev, "use msi interrupt mode\n");
855 sdev->ipc_irq = pci_irq_vector(pci, 0);
856 /* initialised to "false" by kzalloc() */
857 sdev->msi_enabled = true;
858 }
859
860 if (!sdev->msi_enabled) {
861 dev_info(sdev->dev, "use legacy interrupt mode\n");
862 /*
863 * in IO-APIC mode, hda->irq and ipc_irq are using the same
864 * irq number of pci->irq
865 */
866 sdev->ipc_irq = pci->irq;
867 }
868
869 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
870 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
871 hda_dsp_interrupt_thread,
872 IRQF_SHARED, "AudioDSP", sdev);
873 if (ret < 0) {
874 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
875 sdev->ipc_irq);
876 goto free_irq_vector;
877 }
878
879 pci_set_master(pci);
880 synchronize_irq(pci->irq);
881
882 /*
883 * clear TCSEL to clear playback on some HD Audio
884 * codecs. PCI TCSEL is defined in the Intel manuals.
885 */
886 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
887
888 /* init HDA capabilities */
889 ret = hda_init_caps(sdev);
890 if (ret < 0)
891 goto free_ipc_irq;
892
893 if (!sdev->dspless_mode_selected) {
894 /* enable ppcap interrupt */
895 hda_dsp_ctrl_ppcap_enable(sdev, true);
896 hda_dsp_ctrl_ppcap_int_enable(sdev, true);
897
898 /* set default mailbox offset for FW ready message */
899 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
900
901 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
902 }
903
904 chip = get_chip_info(sdev->pdata);
905 if (chip && chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
906 ret = hda_sdw_startup(sdev);
907 if (ret < 0) {
908 dev_err(sdev->dev, "could not startup SoundWire links\n");
909 goto disable_pp_cap;
910 }
911 }
912
913 init_waitqueue_head(&hdev->waitq);
914
915 hdev->nhlt = intel_nhlt_init(sdev->dev);
916
917 return 0;
918
919 disable_pp_cap:
920 if (!sdev->dspless_mode_selected) {
921 hda_dsp_ctrl_ppcap_int_enable(sdev, false);
922 hda_dsp_ctrl_ppcap_enable(sdev, false);
923 }
924 free_ipc_irq:
925 free_irq(sdev->ipc_irq, sdev);
926 free_irq_vector:
927 if (sdev->msi_enabled)
928 pci_free_irq_vectors(pci);
929 free_streams:
930 hda_dsp_stream_free(sdev);
931 /* dsp_unmap: not currently used */
932 if (!sdev->dspless_mode_selected)
933 iounmap(sdev->bar[HDA_DSP_BAR]);
934 hdac_bus_unmap:
935 platform_device_unregister(hdev->dmic_dev);
936
937 return ret;
938 }
939 EXPORT_SYMBOL_NS(hda_dsp_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
940
hda_dsp_remove(struct snd_sof_dev * sdev)941 void hda_dsp_remove(struct snd_sof_dev *sdev)
942 {
943 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
944 const struct sof_intel_dsp_desc *chip = hda->desc;
945 struct pci_dev *pci = to_pci_dev(sdev->dev);
946 struct nhlt_acpi_table *nhlt = hda->nhlt;
947
948 if (nhlt)
949 intel_nhlt_free(nhlt);
950
951 if (!sdev->dspless_mode_selected)
952 /* cancel any attempt for DSP D0I3 */
953 cancel_delayed_work_sync(&hda->d0i3_work);
954
955 hda_codec_device_remove(sdev);
956
957 hda_sdw_exit(sdev);
958
959 if (!IS_ERR_OR_NULL(hda->dmic_dev))
960 platform_device_unregister(hda->dmic_dev);
961
962 if (!sdev->dspless_mode_selected) {
963 /* disable DSP IRQ */
964 hda_dsp_ctrl_ppcap_int_enable(sdev, false);
965 }
966
967 /* disable CIE and GIE interrupts */
968 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
969 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
970
971 if (sdev->dspless_mode_selected)
972 goto skip_disable_dsp;
973
974 /* Cancel the microphone privacy work if mic privacy is active */
975 if (hda->mic_privacy.active)
976 cancel_work_sync(&hda->mic_privacy.work);
977
978 /* no need to check for error as the DSP will be disabled anyway */
979 if (chip && chip->power_down_dsp)
980 chip->power_down_dsp(sdev);
981
982 /* disable DSP */
983 hda_dsp_ctrl_ppcap_enable(sdev, false);
984
985 /* Free the persistent DMA buffers used for base firmware download */
986 if (hda->cl_dmab.area)
987 snd_dma_free_pages(&hda->cl_dmab);
988 if (hda->iccmax_dmab.area)
989 snd_dma_free_pages(&hda->iccmax_dmab);
990
991 skip_disable_dsp:
992 free_irq(sdev->ipc_irq, sdev);
993 if (sdev->msi_enabled)
994 pci_free_irq_vectors(pci);
995
996 hda_dsp_stream_free(sdev);
997
998 hda_bus_ml_free(sof_to_bus(sdev));
999
1000 if (!sdev->dspless_mode_selected)
1001 iounmap(sdev->bar[HDA_DSP_BAR]);
1002 }
1003 EXPORT_SYMBOL_NS(hda_dsp_remove, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1004
hda_dsp_remove_late(struct snd_sof_dev * sdev)1005 void hda_dsp_remove_late(struct snd_sof_dev *sdev)
1006 {
1007 iounmap(sof_to_bus(sdev)->remap_addr);
1008 sof_hda_bus_exit(sdev);
1009 hda_codec_i915_exit(sdev);
1010 }
1011
hda_power_down_dsp(struct snd_sof_dev * sdev)1012 int hda_power_down_dsp(struct snd_sof_dev *sdev)
1013 {
1014 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1015 const struct sof_intel_dsp_desc *chip = hda->desc;
1016
1017 return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
1018 }
1019 EXPORT_SYMBOL_NS(hda_power_down_dsp, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1020
1021 #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)1022 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1023 struct snd_soc_acpi_mach **mach)
1024 {
1025 struct hdac_bus *bus = sof_to_bus(sdev);
1026 struct snd_soc_acpi_mach_params *mach_params;
1027 struct snd_soc_acpi_mach *hda_mach;
1028 struct snd_sof_pdata *pdata = sdev->pdata;
1029 const char *tplg_filename;
1030 int codec_num = 0;
1031 int i;
1032
1033 /* codec detection */
1034 if (!bus->codec_mask) {
1035 dev_info(bus->dev, "no hda codecs found!\n");
1036 } else {
1037 dev_info(bus->dev, "hda codecs found, mask %lx\n",
1038 bus->codec_mask);
1039
1040 for (i = 0; i < HDA_MAX_CODECS; i++) {
1041 if (bus->codec_mask & (1 << i))
1042 codec_num++;
1043 }
1044
1045 /*
1046 * If no machine driver is found, then:
1047 *
1048 * generic hda machine driver can handle:
1049 * - one HDMI codec, and/or
1050 * - one external HDAudio codec
1051 */
1052 if (!*mach && codec_num <= 2) {
1053 bool tplg_fixup = false;
1054
1055 /*
1056 * make a local copy of the match array since we might
1057 * be modifying it
1058 */
1059 hda_mach = devm_kmemdup_array(sdev->dev,
1060 snd_soc_acpi_intel_hda_machines,
1061 2, /* we have one entry + sentinel in the array */
1062 sizeof(snd_soc_acpi_intel_hda_machines[0]),
1063 GFP_KERNEL);
1064 if (!hda_mach) {
1065 dev_err(bus->dev,
1066 "%s: failed to duplicate the HDA match table\n",
1067 __func__);
1068 return;
1069 }
1070
1071 dev_info(bus->dev, "using HDA machine driver %s now\n",
1072 hda_mach->drv_name);
1073
1074 /*
1075 * topology: use the info from hda_machines since tplg file name
1076 * is not overwritten
1077 */
1078 if (!pdata->tplg_filename)
1079 tplg_fixup = true;
1080
1081 if (tplg_fixup &&
1082 codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) {
1083 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1084 "%s-idisp",
1085 hda_mach->sof_tplg_filename);
1086 if (!tplg_filename)
1087 return;
1088
1089 hda_mach->sof_tplg_filename = tplg_filename;
1090 }
1091
1092 if (codec_num == 2 ||
1093 (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
1094 /*
1095 * Prevent SoundWire links from starting when an external
1096 * HDaudio codec is used
1097 */
1098 hda_mach->mach_params.link_mask = 0;
1099 } else {
1100 /*
1101 * Allow SoundWire links to start when no external HDaudio codec
1102 * was detected. This will not create a SoundWire card but
1103 * will help detect if any SoundWire codec reports as ATTACHED.
1104 */
1105 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1106
1107 hda_mach->mach_params.link_mask = hdev->info.link_mask;
1108 }
1109
1110 *mach = hda_mach;
1111 }
1112 }
1113
1114 /* used by hda machine driver to create dai links */
1115 if (*mach) {
1116 mach_params = &(*mach)->mach_params;
1117 mach_params->codec_mask = bus->codec_mask;
1118 }
1119 }
1120 #else
hda_generic_machine_select(struct snd_sof_dev * sdev,struct snd_soc_acpi_mach ** mach)1121 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1122 struct snd_soc_acpi_mach **mach)
1123 {
1124 }
1125 #endif
1126
1127 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1128
hda_sdw_machine_select(struct snd_sof_dev * sdev)1129 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1130 {
1131 struct snd_sof_pdata *pdata = sdev->pdata;
1132 const struct snd_soc_acpi_link_adr *link;
1133 struct sdw_peripherals *peripherals;
1134 struct snd_soc_acpi_mach *mach;
1135 struct sof_intel_hda_dev *hdev;
1136 u32 link_mask;
1137 int i;
1138
1139 hdev = pdata->hw_pdata;
1140 link_mask = hdev->info.link_mask;
1141
1142 if (!link_mask) {
1143 dev_info(sdev->dev, "SoundWire links not enabled\n");
1144 return NULL;
1145 }
1146
1147 if (!hdev->sdw) {
1148 dev_dbg(sdev->dev, "SoundWire context not allocated\n");
1149 return NULL;
1150 }
1151
1152 if (!hdev->sdw->peripherals || !hdev->sdw->peripherals->num_peripherals) {
1153 dev_warn(sdev->dev, "No SoundWire peripheral detected in ACPI tables\n");
1154 return NULL;
1155 }
1156
1157 /*
1158 * Select SoundWire machine driver if needed using the
1159 * alternate tables. This case deals with SoundWire-only
1160 * machines, for mixed cases with I2C/I2S the detection relies
1161 * on the HID list.
1162 */
1163 for (mach = pdata->desc->alt_machines;
1164 mach && mach->link_mask; mach++) {
1165 /*
1166 * On some platforms such as Up Extreme all links
1167 * are enabled but only one link can be used by
1168 * external codec. Instead of exact match of two masks,
1169 * first check whether link_mask of mach is subset of
1170 * link_mask supported by hw and then go on searching
1171 * link_adr
1172 */
1173 if (~link_mask & mach->link_mask)
1174 continue;
1175
1176 /* No need to match adr if there is no links defined */
1177 if (!mach->links)
1178 break;
1179
1180 link = mach->links;
1181 for (i = 0; i < hdev->info.count && link->num_adr;
1182 i++, link++) {
1183 /*
1184 * Try next machine if any expected Slaves
1185 * are not found on this link.
1186 */
1187 if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
1188 hdev->sdw->peripherals))
1189 break;
1190 }
1191 /* Found if all Slaves are checked */
1192 if (i == hdev->info.count || !link->num_adr)
1193 if (!mach->machine_check || mach->machine_check(hdev->sdw))
1194 break;
1195 }
1196 if (mach && mach->link_mask) {
1197 mach->mach_params.links = mach->links;
1198 mach->mach_params.link_mask = mach->link_mask;
1199 mach->mach_params.platform = dev_name(sdev->dev);
1200
1201 return mach;
1202 }
1203
1204 dev_info(sdev->dev, "No SoundWire machine driver found for the ACPI-reported configuration:\n");
1205 peripherals = hdev->sdw->peripherals;
1206 for (i = 0; i < peripherals->num_peripherals; i++)
1207 dev_info(sdev->dev, "link %d mfg_id 0x%04x part_id 0x%04x version %#x\n",
1208 peripherals->array[i]->bus->link_id,
1209 peripherals->array[i]->id.mfg_id,
1210 peripherals->array[i]->id.part_id,
1211 peripherals->array[i]->id.sdw_version);
1212
1213 return NULL;
1214 }
1215 #else
hda_sdw_machine_select(struct snd_sof_dev * sdev)1216 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1217 {
1218 return NULL;
1219 }
1220 #endif
1221
hda_set_mach_params(struct snd_soc_acpi_mach * mach,struct snd_sof_dev * sdev)1222 void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1223 struct snd_sof_dev *sdev)
1224 {
1225 struct snd_sof_pdata *pdata = sdev->pdata;
1226 const struct sof_dev_desc *desc = pdata->desc;
1227 struct snd_soc_acpi_mach_params *mach_params;
1228
1229 mach_params = &mach->mach_params;
1230 mach_params->platform = dev_name(sdev->dev);
1231 if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
1232 sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
1233 mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
1234 else
1235 mach_params->num_dai_drivers = desc->ops->num_drv;
1236 mach_params->dai_drivers = desc->ops->drv;
1237 }
1238
check_tplg_quirk_mask(struct snd_soc_acpi_mach * mach)1239 static int check_tplg_quirk_mask(struct snd_soc_acpi_mach *mach)
1240 {
1241 u32 dmic_ssp_quirk;
1242 u32 codec_amp_name_quirk;
1243
1244 /*
1245 * In current implementation dmic and ssp quirks are designed for es8336
1246 * machine driver and could not be mixed with codec name and amp name
1247 * quirks.
1248 */
1249 dmic_ssp_quirk = mach->tplg_quirk_mask &
1250 (SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER | SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER);
1251 codec_amp_name_quirk = mach->tplg_quirk_mask &
1252 (SND_SOC_ACPI_TPLG_INTEL_AMP_NAME | SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME);
1253
1254 if (dmic_ssp_quirk && codec_amp_name_quirk)
1255 return -EINVAL;
1256
1257 return 0;
1258 }
1259
remove_file_ext(struct device * dev,const char * tplg_filename)1260 static char *remove_file_ext(struct device *dev, const char *tplg_filename)
1261 {
1262 char *filename, *tmp;
1263
1264 filename = devm_kstrdup(dev, tplg_filename, GFP_KERNEL);
1265 if (!filename)
1266 return NULL;
1267
1268 /* remove file extension if exist */
1269 tmp = filename;
1270 return strsep(&tmp, ".");
1271 }
1272
hda_machine_select(struct snd_sof_dev * sdev)1273 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1274 {
1275 u32 interface_mask = hda_get_interface_mask(sdev);
1276 struct snd_sof_pdata *sof_pdata = sdev->pdata;
1277 const struct sof_dev_desc *desc = sof_pdata->desc;
1278 struct hdac_bus *bus = sof_to_bus(sdev);
1279 struct snd_soc_acpi_mach *mach = NULL;
1280 enum snd_soc_acpi_intel_codec codec_type, amp_type;
1281 const char *tplg_filename;
1282 const char *tplg_suffix;
1283 bool amp_name_valid;
1284 bool i2s_mach_found = false;
1285 bool sdw_mach_found = false;
1286
1287 /* Try I2S or DMIC if it is supported */
1288 if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC))) {
1289 mach = snd_soc_acpi_find_machine(desc->machines);
1290 if (mach)
1291 i2s_mach_found = true;
1292 }
1293
1294 /*
1295 * If I2S fails and no external HDaudio codec is detected,
1296 * try SoundWire if it is supported
1297 */
1298 if (!mach && !HDA_EXT_CODEC(bus->codec_mask) &&
1299 (interface_mask & BIT(SOF_DAI_INTEL_ALH))) {
1300 mach = hda_sdw_machine_select(sdev);
1301 if (mach)
1302 sdw_mach_found = true;
1303 }
1304
1305 /*
1306 * Choose HDA generic machine driver if mach is NULL.
1307 * Otherwise, set certain mach params.
1308 */
1309 hda_generic_machine_select(sdev, &mach);
1310 if (!mach) {
1311 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1312 return NULL;
1313 }
1314
1315 /* report BT offload link mask to machine driver */
1316 mach->mach_params.bt_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_BT);
1317
1318 dev_info(sdev->dev, "BT link detected in NHLT tables: %#x\n",
1319 mach->mach_params.bt_link_mask);
1320
1321 /* allow for module parameter override */
1322 if (bt_link_mask_override) {
1323 dev_dbg(sdev->dev, "overriding BT link detected in NHLT tables %#x by kernel param %#x\n",
1324 mach->mach_params.bt_link_mask, bt_link_mask_override);
1325 mach->mach_params.bt_link_mask = bt_link_mask_override;
1326 }
1327
1328 if (hweight_long(mach->mach_params.bt_link_mask) > 1) {
1329 dev_warn(sdev->dev, "invalid BT link mask %#x found, reset the mask\n",
1330 mach->mach_params.bt_link_mask);
1331 mach->mach_params.bt_link_mask = 0;
1332 }
1333
1334 /*
1335 * Fixup tplg file name by appending dmic num, ssp num, codec/amplifier
1336 * name string if quirk flag is set.
1337 */
1338 if (mach) {
1339 bool tplg_fixup = false;
1340 bool dmic_fixup = false;
1341
1342 /*
1343 * If tplg file name is overridden, use it instead of
1344 * the one set in mach table
1345 */
1346 if (!sof_pdata->tplg_filename) {
1347 /* remove file extension if it exists */
1348 tplg_filename = remove_file_ext(sdev->dev, mach->sof_tplg_filename);
1349 if (!tplg_filename)
1350 return NULL;
1351
1352 sof_pdata->tplg_filename = tplg_filename;
1353 tplg_fixup = true;
1354 }
1355
1356 /*
1357 * Checking quirk mask integrity; some quirk flags could not be
1358 * set concurrently.
1359 */
1360 if (tplg_fixup &&
1361 check_tplg_quirk_mask(mach)) {
1362 dev_err(sdev->dev, "Invalid tplg quirk mask 0x%x\n",
1363 mach->tplg_quirk_mask);
1364 return NULL;
1365 }
1366
1367 /* report to machine driver if any DMICs are found */
1368 mach->mach_params.dmic_num = check_dmic_num(sdev);
1369
1370 if (sdw_mach_found || mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER)
1371 dmic_fixup = true;
1372
1373 if (tplg_fixup &&
1374 dmic_fixup &&
1375 mach->mach_params.dmic_num) {
1376 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1377 "%s%s%d%s",
1378 sof_pdata->tplg_filename,
1379 i2s_mach_found ? "-dmic" : "-",
1380 mach->mach_params.dmic_num,
1381 "ch");
1382 if (!tplg_filename)
1383 return NULL;
1384
1385 sof_pdata->tplg_filename = tplg_filename;
1386 }
1387
1388 if (mach->link_mask) {
1389 mach->mach_params.links = mach->links;
1390 mach->mach_params.link_mask = mach->link_mask;
1391 }
1392
1393 /* report SSP link mask to machine driver */
1394 mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev, NHLT_DEVICE_I2S);
1395
1396 if (tplg_fixup &&
1397 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1398 mach->mach_params.i2s_link_mask) {
1399 const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1400 int ssp_num;
1401 int mclk_mask;
1402
1403 if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1404 !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1405 dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1406
1407 /* fls returns 1-based results, SSPs indices are 0-based */
1408 ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1409
1410 if (ssp_num >= chip->ssp_count) {
1411 dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1412 ssp_num, chip->ssp_count);
1413 return NULL;
1414 }
1415
1416 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1417 "%s%s%d",
1418 sof_pdata->tplg_filename,
1419 "-ssp",
1420 ssp_num);
1421 if (!tplg_filename)
1422 return NULL;
1423
1424 sof_pdata->tplg_filename = tplg_filename;
1425
1426 mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1427
1428 if (mclk_mask < 0) {
1429 dev_err(sdev->dev, "Invalid MCLK configuration\n");
1430 return NULL;
1431 }
1432
1433 dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1434
1435 if (mclk_mask) {
1436 dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1437 sdev->mclk_id_override = true;
1438 sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1439 }
1440 }
1441
1442 amp_type = snd_soc_acpi_intel_detect_amp_type(sdev->dev);
1443 codec_type = snd_soc_acpi_intel_detect_codec_type(sdev->dev);
1444 amp_name_valid = amp_type != CODEC_NONE && amp_type != codec_type;
1445
1446 if (tplg_fixup && amp_name_valid &&
1447 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_AMP_NAME) {
1448 tplg_suffix = snd_soc_acpi_intel_get_amp_tplg_suffix(amp_type);
1449 if (!tplg_suffix) {
1450 dev_err(sdev->dev, "no tplg suffix found, amp %d\n",
1451 amp_type);
1452 return NULL;
1453 }
1454
1455 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1456 "%s-%s",
1457 sof_pdata->tplg_filename,
1458 tplg_suffix);
1459 if (!tplg_filename)
1460 return NULL;
1461
1462 sof_pdata->tplg_filename = tplg_filename;
1463 }
1464
1465
1466 if (tplg_fixup &&
1467 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME &&
1468 codec_type != CODEC_NONE) {
1469 tplg_suffix = snd_soc_acpi_intel_get_codec_tplg_suffix(codec_type);
1470 if (!tplg_suffix) {
1471 dev_err(sdev->dev, "no tplg suffix found, codec %d\n",
1472 codec_type);
1473 return NULL;
1474 }
1475
1476 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1477 "%s-%s",
1478 sof_pdata->tplg_filename,
1479 tplg_suffix);
1480 if (!tplg_filename)
1481 return NULL;
1482
1483 sof_pdata->tplg_filename = tplg_filename;
1484 }
1485
1486 if (tplg_fixup) {
1487 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1488 "%s%s",
1489 sof_pdata->tplg_filename,
1490 ".tplg");
1491 if (!tplg_filename)
1492 return NULL;
1493
1494 sof_pdata->tplg_filename = tplg_filename;
1495 }
1496
1497 /* check if mclk_id should be modified from topology defaults */
1498 if (mclk_id_override >= 0) {
1499 dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1500 sdev->mclk_id_override = true;
1501 sdev->mclk_id_quirk = mclk_id_override;
1502 }
1503 }
1504
1505 return mach;
1506 }
1507
hda_pci_intel_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1508 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1509 {
1510 int ret;
1511
1512 ret = snd_intel_dsp_driver_probe(pci);
1513 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1514 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1515 return -ENODEV;
1516 }
1517
1518 return sof_pci_probe(pci, pci_id);
1519 }
1520 EXPORT_SYMBOL_NS(hda_pci_intel_probe, "SND_SOC_SOF_INTEL_HDA_GENERIC");
1521
hda_register_clients(struct snd_sof_dev * sdev)1522 int hda_register_clients(struct snd_sof_dev *sdev)
1523 {
1524 return hda_probes_register(sdev);
1525 }
1526
hda_unregister_clients(struct snd_sof_dev * sdev)1527 void hda_unregister_clients(struct snd_sof_dev *sdev)
1528 {
1529 hda_probes_unregister(sdev);
1530 }
1531
1532 MODULE_LICENSE("Dual BSD/GPL");
1533 MODULE_DESCRIPTION("SOF support for HDaudio platforms");
1534 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");
1535 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC");
1536 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC_I915");
1537 MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");
1538 MODULE_IMPORT_NS("SND_INTEL_SOUNDWIRE_ACPI");
1539 MODULE_IMPORT_NS("SOUNDWIRE_INTEL_INIT");
1540 MODULE_IMPORT_NS("SOUNDWIRE_INTEL");
1541 MODULE_IMPORT_NS("SND_SOC_SOF_HDA_MLINK");
1542 MODULE_IMPORT_NS("SND_SOC_SOF_INTEL_HDA_COMMON");
1543 MODULE_IMPORT_NS("SND_SOC_ACPI_INTEL_MATCH");
1544