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. All rights reserved.
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/module.h>
23 #include <linux/soundwire/sdw.h>
24 #include <linux/soundwire/sdw_intel.h>
25 #include <sound/intel-dsp-config.h>
26 #include <sound/intel-nhlt.h>
27 #include <sound/sof.h>
28 #include <sound/sof/xtensa.h>
29 #include "../sof-audio.h"
30 #include "../sof-pci-dev.h"
31 #include "../ops.h"
32 #include "hda.h"
33
34 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
35 #include <sound/soc-acpi-intel-match.h>
36 #endif
37
38 /* platform specific devices */
39 #include "shim.h"
40
41 #define EXCEPT_MAX_HDR_SIZE 0x400
42 #define HDA_EXT_ROM_STATUS_SIZE 8
43
44 static const struct sof_intel_dsp_desc
get_chip_info(struct snd_sof_pdata * pdata)45 *get_chip_info(struct snd_sof_pdata *pdata)
46 {
47 const struct sof_dev_desc *desc = pdata->desc;
48 const struct sof_intel_dsp_desc *chip_info;
49
50 chip_info = desc->chip_info;
51
52 return chip_info;
53 }
54
55 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
56
57 /*
58 * The default for SoundWire clock stop quirks is to power gate the IP
59 * and do a Bus Reset, this will need to be modified when the DSP
60 * needs to remain in D0i3 so that the Master does not lose context
61 * and enumeration is not required on clock restart
62 */
63 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
64 module_param(sdw_clock_stop_quirks, int, 0444);
65 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
66
sdw_params_stream(struct device * dev,struct sdw_intel_stream_params_data * params_data)67 static int sdw_params_stream(struct device *dev,
68 struct sdw_intel_stream_params_data *params_data)
69 {
70 struct snd_sof_dev *sdev = dev_get_drvdata(dev);
71 struct snd_soc_dai *d = params_data->dai;
72 struct sof_ipc_dai_config config;
73 struct sof_ipc_reply reply;
74 int link_id = params_data->link_id;
75 int alh_stream_id = params_data->alh_stream_id;
76 int ret;
77 u32 size = sizeof(config);
78
79 memset(&config, 0, size);
80 config.hdr.size = size;
81 config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
82 config.type = SOF_DAI_INTEL_ALH;
83 config.dai_index = (link_id << 8) | (d->id);
84 config.alh.stream_id = alh_stream_id;
85
86 /* send message to DSP */
87 ret = sof_ipc_tx_message(sdev->ipc,
88 config.hdr.cmd, &config, size, &reply,
89 sizeof(reply));
90 if (ret < 0) {
91 dev_err(sdev->dev,
92 "error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n",
93 link_id, d->id, alh_stream_id);
94 }
95
96 return ret;
97 }
98
sdw_free_stream(struct device * dev,struct sdw_intel_stream_free_data * free_data)99 static int sdw_free_stream(struct device *dev,
100 struct sdw_intel_stream_free_data *free_data)
101 {
102 struct snd_sof_dev *sdev = dev_get_drvdata(dev);
103 struct snd_soc_dai *d = free_data->dai;
104 struct sof_ipc_dai_config config;
105 struct sof_ipc_reply reply;
106 int link_id = free_data->link_id;
107 int ret;
108 u32 size = sizeof(config);
109
110 memset(&config, 0, size);
111 config.hdr.size = size;
112 config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
113 config.type = SOF_DAI_INTEL_ALH;
114 config.dai_index = (link_id << 8) | d->id;
115 config.alh.stream_id = 0xFFFF; /* invalid value on purpose */
116
117 /* send message to DSP */
118 ret = sof_ipc_tx_message(sdev->ipc,
119 config.hdr.cmd, &config, size, &reply,
120 sizeof(reply));
121 if (ret < 0) {
122 dev_err(sdev->dev,
123 "error: failed to free stream for link %d dai->id %d\n",
124 link_id, d->id);
125 }
126
127 return ret;
128 }
129
130 static const struct sdw_intel_ops sdw_callback = {
131 .params_stream = sdw_params_stream,
132 .free_stream = sdw_free_stream,
133 };
134
hda_sdw_int_enable(struct snd_sof_dev * sdev,bool enable)135 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
136 {
137 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable);
138 }
139
hda_sdw_acpi_scan(struct snd_sof_dev * sdev)140 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
141 {
142 struct sof_intel_hda_dev *hdev;
143 acpi_handle handle;
144 int ret;
145
146 handle = ACPI_HANDLE(sdev->dev);
147
148 /* save ACPI info for the probe step */
149 hdev = sdev->pdata->hw_pdata;
150
151 ret = sdw_intel_acpi_scan(handle, &hdev->info);
152 if (ret < 0)
153 return -EINVAL;
154
155 return 0;
156 }
157
hda_sdw_probe(struct snd_sof_dev * sdev)158 static int hda_sdw_probe(struct snd_sof_dev *sdev)
159 {
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 res.mmio_base = sdev->bar[HDA_DSP_BAR];
169 res.shim_base = hdev->desc->sdw_shim_base;
170 res.alh_base = hdev->desc->sdw_alh_base;
171 res.irq = sdev->ipc_irq;
172 res.handle = hdev->info.handle;
173 res.parent = sdev->dev;
174 res.ops = &sdw_callback;
175 res.dev = sdev->dev;
176 res.clock_stop_quirks = sdw_clock_stop_quirks;
177
178 /*
179 * ops and arg fields are not populated for now,
180 * they will be needed when the DAI callbacks are
181 * provided
182 */
183
184 /* we could filter links here if needed, e.g for quirks */
185 res.count = hdev->info.count;
186 res.link_mask = hdev->info.link_mask;
187
188 sdw = sdw_intel_probe(&res);
189 if (!sdw) {
190 dev_err(sdev->dev, "error: SoundWire probe failed\n");
191 return -EINVAL;
192 }
193
194 /* save context */
195 hdev->sdw = sdw;
196
197 return 0;
198 }
199
hda_sdw_startup(struct snd_sof_dev * sdev)200 int hda_sdw_startup(struct snd_sof_dev *sdev)
201 {
202 struct sof_intel_hda_dev *hdev;
203 struct snd_sof_pdata *pdata = sdev->pdata;
204
205 hdev = sdev->pdata->hw_pdata;
206
207 if (!hdev->sdw)
208 return 0;
209
210 if (pdata->machine && !pdata->machine->mach_params.link_mask)
211 return 0;
212
213 return sdw_intel_startup(hdev->sdw);
214 }
215
hda_sdw_exit(struct snd_sof_dev * sdev)216 static int hda_sdw_exit(struct snd_sof_dev *sdev)
217 {
218 struct sof_intel_hda_dev *hdev;
219
220 hdev = sdev->pdata->hw_pdata;
221
222 hda_sdw_int_enable(sdev, false);
223
224 if (hdev->sdw)
225 sdw_intel_exit(hdev->sdw);
226 hdev->sdw = NULL;
227
228 return 0;
229 }
230
hda_common_check_sdw_irq(struct snd_sof_dev * sdev)231 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
232 {
233 struct sof_intel_hda_dev *hdev;
234 bool ret = false;
235 u32 irq_status;
236
237 hdev = sdev->pdata->hw_pdata;
238
239 if (!hdev->sdw)
240 return ret;
241
242 /* store status */
243 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
244
245 /* invalid message ? */
246 if (irq_status == 0xffffffff)
247 goto out;
248
249 /* SDW message ? */
250 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
251 ret = true;
252
253 out:
254 return ret;
255 }
256
hda_dsp_check_sdw_irq(struct snd_sof_dev * sdev)257 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
258 {
259 const struct sof_intel_dsp_desc *chip;
260
261 chip = get_chip_info(sdev->pdata);
262 if (chip && chip->check_sdw_irq)
263 return chip->check_sdw_irq(sdev);
264
265 return false;
266 }
267
hda_dsp_sdw_thread(int irq,void * context)268 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
269 {
270 return sdw_intel_thread(irq, context);
271 }
272
hda_sdw_check_wakeen_irq(struct snd_sof_dev * sdev)273 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
274 {
275 struct sof_intel_hda_dev *hdev;
276
277 hdev = sdev->pdata->hw_pdata;
278 if (hdev->sdw &&
279 snd_sof_dsp_read(sdev, HDA_DSP_BAR,
280 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
281 return true;
282
283 return false;
284 }
285
hda_sdw_process_wakeen(struct snd_sof_dev * sdev)286 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
287 {
288 struct sof_intel_hda_dev *hdev;
289
290 hdev = sdev->pdata->hw_pdata;
291 if (!hdev->sdw)
292 return;
293
294 sdw_intel_process_wakeen_event(hdev->sdw);
295 }
296
297 #endif
298
299 /*
300 * Debug
301 */
302
303 struct hda_dsp_msg_code {
304 u32 code;
305 const char *msg;
306 };
307
308 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
309 static bool hda_use_msi = true;
310 module_param_named(use_msi, hda_use_msi, bool, 0444);
311 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
312 #else
313 #define hda_use_msi (1)
314 #endif
315
316 static char *hda_model;
317 module_param(hda_model, charp, 0444);
318 MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
319
320 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
321 static int hda_dmic_num = -1;
322 module_param_named(dmic_num, hda_dmic_num, int, 0444);
323 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
324 #endif
325
326 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
327 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI);
328 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
329 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
330 #endif
331
332 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
333 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"},
334 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"},
335 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"},
336 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
337 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
338 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
339 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
340 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
341 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
342 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
343 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
344 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
345 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
346 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
347 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
348 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
349 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
350 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
351 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"},
352 };
353
hda_dsp_get_status(struct snd_sof_dev * sdev)354 static void hda_dsp_get_status(struct snd_sof_dev *sdev)
355 {
356 const struct sof_intel_dsp_desc *chip;
357 u32 status;
358 int i;
359
360 chip = get_chip_info(sdev->pdata);
361 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
362 chip->rom_status_reg);
363
364 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
365 if (status == hda_dsp_rom_msg[i].code) {
366 dev_err(sdev->dev, "%s - code %8.8x\n",
367 hda_dsp_rom_msg[i].msg, status);
368 return;
369 }
370 }
371
372 /* not for us, must be generic sof message */
373 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
374 }
375
hda_dsp_get_registers(struct snd_sof_dev * sdev,struct sof_ipc_dsp_oops_xtensa * xoops,struct sof_ipc_panic_info * panic_info,u32 * stack,size_t stack_words)376 static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
377 struct sof_ipc_dsp_oops_xtensa *xoops,
378 struct sof_ipc_panic_info *panic_info,
379 u32 *stack, size_t stack_words)
380 {
381 u32 offset = sdev->dsp_oops_offset;
382
383 /* first read registers */
384 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
385
386 /* note: variable AR register array is not read */
387
388 /* then get panic info */
389 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
390 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
391 xoops->arch_hdr.totalsize);
392 return;
393 }
394 offset += xoops->arch_hdr.totalsize;
395 sof_block_read(sdev, sdev->mmio_bar, offset,
396 panic_info, sizeof(*panic_info));
397
398 /* then get the stack */
399 offset += sizeof(*panic_info);
400 sof_block_read(sdev, sdev->mmio_bar, offset, stack,
401 stack_words * sizeof(u32));
402 }
403
404 /* dump the first 8 dwords representing the extended ROM status */
hda_dsp_dump_ext_rom_status(struct snd_sof_dev * sdev,u32 flags)405 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags)
406 {
407 const struct sof_intel_dsp_desc *chip;
408 char msg[128];
409 int len = 0;
410 u32 value;
411 int i;
412
413 chip = get_chip_info(sdev->pdata);
414 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
415 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
416 len += scnprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
417 }
418
419 sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL,
420 "extended rom status: %s", msg);
421
422 }
423
hda_dsp_dump(struct snd_sof_dev * sdev,u32 flags)424 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
425 {
426 struct sof_ipc_dsp_oops_xtensa xoops;
427 struct sof_ipc_panic_info panic_info;
428 u32 stack[HDA_DSP_STACK_DUMP_SIZE];
429
430 /* print ROM/FW status */
431 hda_dsp_get_status(sdev);
432
433 /* print panic info if FW boot is complete. Otherwise, print the extended ROM status */
434 if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
435 u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
436 u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
437
438 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
439 HDA_DSP_STACK_DUMP_SIZE);
440 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
441 stack, HDA_DSP_STACK_DUMP_SIZE);
442 } else {
443 hda_dsp_dump_ext_rom_status(sdev, flags);
444 }
445 }
446
hda_ipc_irq_dump(struct snd_sof_dev * sdev)447 void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
448 {
449 struct hdac_bus *bus = sof_to_bus(sdev);
450 u32 adspis;
451 u32 intsts;
452 u32 intctl;
453 u32 ppsts;
454 u8 rirbsts;
455
456 /* read key IRQ stats and config registers */
457 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
458 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
459 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
460 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
461 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
462
463 dev_err(sdev->dev,
464 "error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
465 intsts, intctl, rirbsts);
466 dev_err(sdev->dev,
467 "error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
468 ppsts, adspis);
469 }
470
hda_ipc_dump(struct snd_sof_dev * sdev)471 void hda_ipc_dump(struct snd_sof_dev *sdev)
472 {
473 u32 hipcie;
474 u32 hipct;
475 u32 hipcctl;
476
477 hda_ipc_irq_dump(sdev);
478
479 /* read IPC status */
480 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
481 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
482 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
483
484 /* dump the IPC regs */
485 /* TODO: parse the raw msg */
486 dev_err(sdev->dev,
487 "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
488 hipcie, hipct, hipcctl);
489 }
490
hda_init(struct snd_sof_dev * sdev)491 static int hda_init(struct snd_sof_dev *sdev)
492 {
493 struct hda_bus *hbus;
494 struct hdac_bus *bus;
495 struct pci_dev *pci = to_pci_dev(sdev->dev);
496 int ret;
497
498 hbus = sof_to_hbus(sdev);
499 bus = sof_to_bus(sdev);
500
501 /* HDA bus init */
502 sof_hda_bus_init(bus, &pci->dev);
503
504 bus->use_posbuf = 1;
505 bus->bdl_pos_adj = 0;
506 bus->sync_write = 1;
507
508 mutex_init(&hbus->prepare_mutex);
509 hbus->pci = pci;
510 hbus->mixer_assigned = -1;
511 hbus->modelname = hda_model;
512
513 /* initialise hdac bus */
514 bus->addr = pci_resource_start(pci, 0);
515 bus->remap_addr = pci_ioremap_bar(pci, 0);
516 if (!bus->remap_addr) {
517 dev_err(bus->dev, "error: ioremap error\n");
518 return -ENXIO;
519 }
520
521 /* HDA base */
522 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
523
524 /* init i915 and HDMI codecs */
525 ret = hda_codec_i915_init(sdev);
526 if (ret < 0)
527 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n");
528
529 /* get controller capabilities */
530 ret = hda_dsp_ctrl_get_caps(sdev);
531 if (ret < 0)
532 dev_err(sdev->dev, "error: get caps error\n");
533
534 return ret;
535 }
536
537 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
538
check_nhlt_dmic(struct snd_sof_dev * sdev)539 static int check_nhlt_dmic(struct snd_sof_dev *sdev)
540 {
541 struct nhlt_acpi_table *nhlt;
542 int dmic_num;
543
544 nhlt = intel_nhlt_init(sdev->dev);
545 if (nhlt) {
546 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
547 intel_nhlt_free(nhlt);
548 if (dmic_num >= 1 && dmic_num <= 4)
549 return dmic_num;
550 }
551
552 return 0;
553 }
554
fixup_tplg_name(struct snd_sof_dev * sdev,const char * sof_tplg_filename,const char * idisp_str,const char * dmic_str)555 static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
556 const char *sof_tplg_filename,
557 const char *idisp_str,
558 const char *dmic_str)
559 {
560 const char *tplg_filename = NULL;
561 char *filename, *tmp;
562 const char *split_ext;
563
564 filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
565 if (!filename)
566 return NULL;
567
568 /* this assumes a .tplg extension */
569 tmp = filename;
570 split_ext = strsep(&tmp, ".");
571 if (split_ext)
572 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
573 "%s%s%s.tplg",
574 split_ext, idisp_str, dmic_str);
575 kfree(filename);
576
577 return tplg_filename;
578 }
579
dmic_topology_fixup(struct snd_sof_dev * sdev,const char ** tplg_filename,const char * idisp_str,int * dmic_found)580 static int dmic_topology_fixup(struct snd_sof_dev *sdev,
581 const char **tplg_filename,
582 const char *idisp_str,
583 int *dmic_found)
584 {
585 const char *default_tplg_filename = *tplg_filename;
586 const char *fixed_tplg_filename;
587 const char *dmic_str;
588 int dmic_num;
589
590 /* first check NHLT for DMICs */
591 dmic_num = check_nhlt_dmic(sdev);
592
593 /* allow for module parameter override */
594 if (hda_dmic_num != -1) {
595 dev_dbg(sdev->dev,
596 "overriding DMICs detected in NHLT tables %d by kernel param %d\n",
597 dmic_num, hda_dmic_num);
598 dmic_num = hda_dmic_num;
599 }
600
601 switch (dmic_num) {
602 case 1:
603 dmic_str = "-1ch";
604 break;
605 case 2:
606 dmic_str = "-2ch";
607 break;
608 case 3:
609 dmic_str = "-3ch";
610 break;
611 case 4:
612 dmic_str = "-4ch";
613 break;
614 default:
615 dmic_num = 0;
616 dmic_str = "";
617 break;
618 }
619
620 fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
621 idisp_str, dmic_str);
622 if (!fixed_tplg_filename)
623 return -ENOMEM;
624
625 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
626 *dmic_found = dmic_num;
627 *tplg_filename = fixed_tplg_filename;
628
629 return 0;
630 }
631 #endif
632
hda_init_caps(struct snd_sof_dev * sdev)633 static int hda_init_caps(struct snd_sof_dev *sdev)
634 {
635 struct hdac_bus *bus = sof_to_bus(sdev);
636 struct snd_sof_pdata *pdata = sdev->pdata;
637 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
638 struct hdac_ext_link *hlink;
639 #endif
640 struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
641 u32 link_mask;
642 int ret = 0;
643
644 /* check if dsp is there */
645 if (bus->ppcap)
646 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
647
648 /* Init HDA controller after i915 init */
649 ret = hda_dsp_ctrl_init_chip(sdev, true);
650 if (ret < 0) {
651 dev_err(bus->dev, "error: init chip failed with ret: %d\n",
652 ret);
653 return ret;
654 }
655
656 /* scan SoundWire capabilities exposed by DSDT */
657 ret = hda_sdw_acpi_scan(sdev);
658 if (ret < 0) {
659 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
660 goto skip_soundwire;
661 }
662
663 link_mask = hdev->info.link_mask;
664 if (!link_mask) {
665 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
666 goto skip_soundwire;
667 }
668
669 /*
670 * probe/allocate SoundWire resources.
671 * The hardware configuration takes place in hda_sdw_startup
672 * after power rails are enabled.
673 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
674 * devices, so we allocate the resources in all cases.
675 */
676 ret = hda_sdw_probe(sdev);
677 if (ret < 0) {
678 dev_err(sdev->dev, "error: SoundWire probe error\n");
679 return ret;
680 }
681
682 skip_soundwire:
683
684 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
685 if (bus->mlcap)
686 snd_hdac_ext_bus_get_ml_capabilities(bus);
687
688 /* create codec instances */
689 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi);
690
691 if (!HDA_IDISP_CODEC(bus->codec_mask))
692 hda_codec_i915_display_power(sdev, false);
693
694 /*
695 * we are done probing so decrement link counts
696 */
697 list_for_each_entry(hlink, &bus->hlink_list, list)
698 snd_hdac_ext_bus_link_put(bus, hlink);
699 #endif
700 return 0;
701 }
702
hda_check_for_state_change(struct snd_sof_dev * sdev)703 static void hda_check_for_state_change(struct snd_sof_dev *sdev)
704 {
705 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
706 struct hdac_bus *bus = sof_to_bus(sdev);
707 unsigned int codec_mask;
708
709 codec_mask = snd_hdac_chip_readw(bus, STATESTS);
710 if (codec_mask) {
711 hda_codec_jack_check(sdev);
712 snd_hdac_chip_writew(bus, STATESTS, codec_mask);
713 }
714 #endif
715 }
716
hda_dsp_interrupt_handler(int irq,void * context)717 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
718 {
719 struct snd_sof_dev *sdev = context;
720
721 /*
722 * Get global interrupt status. It includes all hardware interrupt
723 * sources in the Intel HD Audio controller.
724 */
725 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
726 SOF_HDA_INTSTS_GIS) {
727
728 /* disable GIE interrupt */
729 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
730 SOF_HDA_INTCTL,
731 SOF_HDA_INT_GLOBAL_EN,
732 0);
733
734 return IRQ_WAKE_THREAD;
735 }
736
737 return IRQ_NONE;
738 }
739
hda_dsp_interrupt_thread(int irq,void * context)740 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
741 {
742 struct snd_sof_dev *sdev = context;
743 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
744
745 /* deal with streams and controller first */
746 if (hda_dsp_check_stream_irq(sdev))
747 hda_dsp_stream_threaded_handler(irq, sdev);
748
749 if (hda_dsp_check_ipc_irq(sdev))
750 sof_ops(sdev)->irq_thread(irq, sdev);
751
752 if (hda_dsp_check_sdw_irq(sdev))
753 hda_dsp_sdw_thread(irq, hdev->sdw);
754
755 if (hda_sdw_check_wakeen_irq(sdev))
756 hda_sdw_process_wakeen(sdev);
757
758 hda_check_for_state_change(sdev);
759
760 /* enable GIE interrupt */
761 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
762 SOF_HDA_INTCTL,
763 SOF_HDA_INT_GLOBAL_EN,
764 SOF_HDA_INT_GLOBAL_EN);
765
766 return IRQ_HANDLED;
767 }
768
hda_dsp_probe(struct snd_sof_dev * sdev)769 int hda_dsp_probe(struct snd_sof_dev *sdev)
770 {
771 struct pci_dev *pci = to_pci_dev(sdev->dev);
772 struct sof_intel_hda_dev *hdev;
773 struct hdac_bus *bus;
774 const struct sof_intel_dsp_desc *chip;
775 int ret = 0;
776
777 /*
778 * detect DSP by checking class/subclass/prog-id information
779 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
780 * class=04 subclass 01 prog-if 00: DSP is present
781 * (and may be required e.g. for DMIC or SSP support)
782 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
783 */
784 if (pci->class == 0x040300) {
785 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
786 return -ENODEV;
787 } else if (pci->class != 0x040100 && pci->class != 0x040380) {
788 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
789 return -ENODEV;
790 }
791 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
792
793 chip = get_chip_info(sdev->pdata);
794 if (!chip) {
795 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
796 pci->device);
797 ret = -EIO;
798 goto err;
799 }
800
801 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
802 if (!hdev)
803 return -ENOMEM;
804 sdev->pdata->hw_pdata = hdev;
805 hdev->desc = chip;
806
807 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
808 PLATFORM_DEVID_NONE,
809 NULL, 0);
810 if (IS_ERR(hdev->dmic_dev)) {
811 dev_err(sdev->dev, "error: failed to create DMIC device\n");
812 return PTR_ERR(hdev->dmic_dev);
813 }
814
815 /*
816 * use position update IPC if either it is forced
817 * or we don't have other choice
818 */
819 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
820 hdev->no_ipc_position = 0;
821 #else
822 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
823 #endif
824
825 /* set up HDA base */
826 bus = sof_to_bus(sdev);
827 ret = hda_init(sdev);
828 if (ret < 0)
829 goto hdac_bus_unmap;
830
831 /* DSP base */
832 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
833 if (!sdev->bar[HDA_DSP_BAR]) {
834 dev_err(sdev->dev, "error: ioremap error\n");
835 ret = -ENXIO;
836 goto hdac_bus_unmap;
837 }
838
839 sdev->mmio_bar = HDA_DSP_BAR;
840 sdev->mailbox_bar = HDA_DSP_BAR;
841
842 /* allow 64bit DMA address if supported by H/W */
843 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
844 dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
845 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
846 }
847
848 /* init streams */
849 ret = hda_dsp_stream_init(sdev);
850 if (ret < 0) {
851 dev_err(sdev->dev, "error: failed to init streams\n");
852 /*
853 * not all errors are due to memory issues, but trying
854 * to free everything does not harm
855 */
856 goto free_streams;
857 }
858
859 /*
860 * register our IRQ
861 * let's try to enable msi firstly
862 * if it fails, use legacy interrupt mode
863 * TODO: support msi multiple vectors
864 */
865 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
866 dev_info(sdev->dev, "use msi interrupt mode\n");
867 sdev->ipc_irq = pci_irq_vector(pci, 0);
868 /* initialised to "false" by kzalloc() */
869 sdev->msi_enabled = true;
870 }
871
872 if (!sdev->msi_enabled) {
873 dev_info(sdev->dev, "use legacy interrupt mode\n");
874 /*
875 * in IO-APIC mode, hda->irq and ipc_irq are using the same
876 * irq number of pci->irq
877 */
878 sdev->ipc_irq = pci->irq;
879 }
880
881 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
882 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
883 hda_dsp_interrupt_thread,
884 IRQF_SHARED, "AudioDSP", sdev);
885 if (ret < 0) {
886 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
887 sdev->ipc_irq);
888 goto free_irq_vector;
889 }
890
891 pci_set_master(pci);
892 synchronize_irq(pci->irq);
893
894 /*
895 * clear TCSEL to clear playback on some HD Audio
896 * codecs. PCI TCSEL is defined in the Intel manuals.
897 */
898 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
899
900 /* init HDA capabilities */
901 ret = hda_init_caps(sdev);
902 if (ret < 0)
903 goto free_ipc_irq;
904
905 /* enable ppcap interrupt */
906 hda_dsp_ctrl_ppcap_enable(sdev, true);
907 hda_dsp_ctrl_ppcap_int_enable(sdev, true);
908
909 /* set default mailbox offset for FW ready message */
910 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
911
912 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
913
914 return 0;
915
916 free_ipc_irq:
917 free_irq(sdev->ipc_irq, sdev);
918 free_irq_vector:
919 if (sdev->msi_enabled)
920 pci_free_irq_vectors(pci);
921 free_streams:
922 hda_dsp_stream_free(sdev);
923 /* dsp_unmap: not currently used */
924 iounmap(sdev->bar[HDA_DSP_BAR]);
925 hdac_bus_unmap:
926 platform_device_unregister(hdev->dmic_dev);
927 iounmap(bus->remap_addr);
928 hda_codec_i915_exit(sdev);
929 err:
930 return ret;
931 }
932
hda_dsp_remove(struct snd_sof_dev * sdev)933 int hda_dsp_remove(struct snd_sof_dev *sdev)
934 {
935 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
936 struct hdac_bus *bus = sof_to_bus(sdev);
937 struct pci_dev *pci = to_pci_dev(sdev->dev);
938 const struct sof_intel_dsp_desc *chip = hda->desc;
939
940 /* cancel any attempt for DSP D0I3 */
941 cancel_delayed_work_sync(&hda->d0i3_work);
942
943 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
944 /* codec removal, invoke bus_device_remove */
945 snd_hdac_ext_bus_device_remove(bus);
946 #endif
947
948 hda_sdw_exit(sdev);
949
950 if (!IS_ERR_OR_NULL(hda->dmic_dev))
951 platform_device_unregister(hda->dmic_dev);
952
953 /* disable DSP IRQ */
954 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
955 SOF_HDA_PPCTL_PIE, 0);
956
957 /* disable CIE and GIE interrupts */
958 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
959 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
960
961 /* disable cores */
962 if (chip)
963 snd_sof_dsp_core_power_down(sdev, chip->host_managed_cores_mask);
964
965 /* disable DSP */
966 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
967 SOF_HDA_PPCTL_GPROCEN, 0);
968
969 free_irq(sdev->ipc_irq, sdev);
970 if (sdev->msi_enabled)
971 pci_free_irq_vectors(pci);
972
973 hda_dsp_stream_free(sdev);
974 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
975 snd_hdac_link_free_all(bus);
976 #endif
977
978 iounmap(sdev->bar[HDA_DSP_BAR]);
979 iounmap(bus->remap_addr);
980
981 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
982 snd_hdac_ext_bus_exit(bus);
983 #endif
984 hda_codec_i915_exit(sdev);
985
986 return 0;
987 }
988
989 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
hda_generic_machine_select(struct snd_sof_dev * sdev)990 static int hda_generic_machine_select(struct snd_sof_dev *sdev)
991 {
992 struct hdac_bus *bus = sof_to_bus(sdev);
993 struct snd_soc_acpi_mach_params *mach_params;
994 struct snd_soc_acpi_mach *hda_mach;
995 struct snd_sof_pdata *pdata = sdev->pdata;
996 const char *tplg_filename;
997 const char *idisp_str;
998 int dmic_num = 0;
999 int codec_num = 0;
1000 int ret;
1001 int i;
1002
1003 /* codec detection */
1004 if (!bus->codec_mask) {
1005 dev_info(bus->dev, "no hda codecs found!\n");
1006 } else {
1007 dev_info(bus->dev, "hda codecs found, mask %lx\n",
1008 bus->codec_mask);
1009
1010 for (i = 0; i < HDA_MAX_CODECS; i++) {
1011 if (bus->codec_mask & (1 << i))
1012 codec_num++;
1013 }
1014
1015 /*
1016 * If no machine driver is found, then:
1017 *
1018 * generic hda machine driver can handle:
1019 * - one HDMI codec, and/or
1020 * - one external HDAudio codec
1021 */
1022 if (!pdata->machine && codec_num <= 2) {
1023 hda_mach = snd_soc_acpi_intel_hda_machines;
1024
1025 dev_info(bus->dev, "using HDA machine driver %s now\n",
1026 hda_mach->drv_name);
1027
1028 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
1029 idisp_str = "-idisp";
1030 else
1031 idisp_str = "";
1032
1033 /* topology: use the info from hda_machines */
1034 tplg_filename = hda_mach->sof_tplg_filename;
1035 ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num);
1036 if (ret < 0)
1037 return ret;
1038
1039 hda_mach->mach_params.dmic_num = dmic_num;
1040 pdata->machine = hda_mach;
1041 pdata->tplg_filename = tplg_filename;
1042
1043 if (codec_num == 2 ||
1044 (codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
1045 /*
1046 * Prevent SoundWire links from starting when an external
1047 * HDaudio codec is used
1048 */
1049 hda_mach->mach_params.link_mask = 0;
1050 } else {
1051 /*
1052 * Allow SoundWire links to start when no external HDaudio codec
1053 * was detected. This will not create a SoundWire card but
1054 * will help detect if any SoundWire codec reports as ATTACHED.
1055 */
1056 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
1057
1058 hda_mach->mach_params.link_mask = hdev->info.link_mask;
1059 }
1060 }
1061 }
1062
1063 /* used by hda machine driver to create dai links */
1064 if (pdata->machine) {
1065 mach_params = (struct snd_soc_acpi_mach_params *)
1066 &pdata->machine->mach_params;
1067 mach_params->codec_mask = bus->codec_mask;
1068 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
1069 }
1070
1071 return 0;
1072 }
1073 #else
hda_generic_machine_select(struct snd_sof_dev * sdev)1074 static int hda_generic_machine_select(struct snd_sof_dev *sdev)
1075 {
1076 return 0;
1077 }
1078 #endif
1079
1080 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1081 /* Check if all Slaves defined on the link can be found */
link_slaves_found(struct snd_sof_dev * sdev,const struct snd_soc_acpi_link_adr * link,struct sdw_intel_ctx * sdw)1082 static bool link_slaves_found(struct snd_sof_dev *sdev,
1083 const struct snd_soc_acpi_link_adr *link,
1084 struct sdw_intel_ctx *sdw)
1085 {
1086 struct hdac_bus *bus = sof_to_bus(sdev);
1087 struct sdw_intel_slave_id *ids = sdw->ids;
1088 int num_slaves = sdw->num_slaves;
1089 unsigned int part_id, link_id, unique_id, mfg_id, version;
1090 int i, j, k;
1091
1092 for (i = 0; i < link->num_adr; i++) {
1093 u64 adr = link->adr_d[i].adr;
1094 int reported_part_count = 0;
1095
1096 mfg_id = SDW_MFG_ID(adr);
1097 part_id = SDW_PART_ID(adr);
1098 link_id = SDW_DISCO_LINK_ID(adr);
1099 version = SDW_VERSION(adr);
1100
1101 for (j = 0; j < num_slaves; j++) {
1102 /* find out how many identical parts were reported on that link */
1103 if (ids[j].link_id == link_id &&
1104 ids[j].id.part_id == part_id &&
1105 ids[j].id.mfg_id == mfg_id &&
1106 ids[j].id.sdw_version == version)
1107 reported_part_count++;
1108 }
1109
1110 for (j = 0; j < num_slaves; j++) {
1111 int expected_part_count = 0;
1112
1113 if (ids[j].link_id != link_id ||
1114 ids[j].id.part_id != part_id ||
1115 ids[j].id.mfg_id != mfg_id ||
1116 ids[j].id.sdw_version != version)
1117 continue;
1118
1119 /* find out how many identical parts are expected */
1120 for (k = 0; k < link->num_adr; k++) {
1121 u64 adr2 = link->adr_d[k].adr;
1122 unsigned int part_id2, link_id2, mfg_id2, version2;
1123
1124 mfg_id2 = SDW_MFG_ID(adr2);
1125 part_id2 = SDW_PART_ID(adr2);
1126 link_id2 = SDW_DISCO_LINK_ID(adr2);
1127 version2 = SDW_VERSION(adr2);
1128
1129 if (link_id2 == link_id &&
1130 part_id2 == part_id &&
1131 mfg_id2 == mfg_id &&
1132 version2 == version)
1133 expected_part_count++;
1134 }
1135
1136 if (reported_part_count == expected_part_count) {
1137 /*
1138 * we have to check unique id
1139 * if there is more than one
1140 * Slave on the link
1141 */
1142 unique_id = SDW_UNIQUE_ID(adr);
1143 if (reported_part_count == 1 ||
1144 ids[j].id.unique_id == unique_id) {
1145 dev_dbg(bus->dev, "found %x at link %d\n",
1146 part_id, link_id);
1147 break;
1148 }
1149 } else {
1150 dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n",
1151 part_id, reported_part_count, expected_part_count, link_id);
1152 }
1153 }
1154 if (j == num_slaves) {
1155 dev_dbg(bus->dev,
1156 "Slave %x not found\n",
1157 part_id);
1158 return false;
1159 }
1160 }
1161 return true;
1162 }
1163
hda_sdw_machine_select(struct snd_sof_dev * sdev)1164 static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1165 {
1166 struct snd_sof_pdata *pdata = sdev->pdata;
1167 const struct snd_soc_acpi_link_adr *link;
1168 struct snd_soc_acpi_mach *mach;
1169 struct sof_intel_hda_dev *hdev;
1170 u32 link_mask;
1171 int i;
1172
1173 hdev = pdata->hw_pdata;
1174 link_mask = hdev->info.link_mask;
1175
1176 /*
1177 * Select SoundWire machine driver if needed using the
1178 * alternate tables. This case deals with SoundWire-only
1179 * machines, for mixed cases with I2C/I2S the detection relies
1180 * on the HID list.
1181 */
1182 if (link_mask && !pdata->machine) {
1183 for (mach = pdata->desc->alt_machines;
1184 mach && mach->link_mask; mach++) {
1185 /*
1186 * On some platforms such as Up Extreme all links
1187 * are enabled but only one link can be used by
1188 * external codec. Instead of exact match of two masks,
1189 * first check whether link_mask of mach is subset of
1190 * link_mask supported by hw and then go on searching
1191 * link_adr
1192 */
1193 if (~link_mask & mach->link_mask)
1194 continue;
1195
1196 /* No need to match adr if there is no links defined */
1197 if (!mach->links)
1198 break;
1199
1200 link = mach->links;
1201 for (i = 0; i < hdev->info.count && link->num_adr;
1202 i++, link++) {
1203 /*
1204 * Try next machine if any expected Slaves
1205 * are not found on this link.
1206 */
1207 if (!link_slaves_found(sdev, link, hdev->sdw))
1208 break;
1209 }
1210 /* Found if all Slaves are checked */
1211 if (i == hdev->info.count || !link->num_adr)
1212 break;
1213 }
1214 if (mach && mach->link_mask) {
1215 int dmic_num = 0;
1216
1217 pdata->machine = mach;
1218 mach->mach_params.links = mach->links;
1219 mach->mach_params.link_mask = mach->link_mask;
1220 mach->mach_params.platform = dev_name(sdev->dev);
1221 if (mach->sof_fw_filename)
1222 pdata->fw_filename = mach->sof_fw_filename;
1223 else
1224 pdata->fw_filename = pdata->desc->default_fw_filename;
1225 pdata->tplg_filename = mach->sof_tplg_filename;
1226
1227 /*
1228 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1229 * link 2 and 3, thus we only try to enable dmics if all conditions
1230 * are true:
1231 * a) link 2 and 3 are not used by SoundWire
1232 * b) the NHLT table reports the presence of microphones
1233 */
1234 if (!(mach->link_mask & GENMASK(3, 2))) {
1235 const char *tplg_filename = mach->sof_tplg_filename;
1236 int ret;
1237
1238 ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num);
1239
1240 if (ret < 0)
1241 return ret;
1242
1243 pdata->tplg_filename = tplg_filename;
1244 }
1245 mach->mach_params.dmic_num = dmic_num;
1246
1247 dev_dbg(sdev->dev,
1248 "SoundWire machine driver %s topology %s\n",
1249 mach->drv_name,
1250 pdata->tplg_filename);
1251 } else {
1252 dev_info(sdev->dev,
1253 "No SoundWire machine driver found\n");
1254 }
1255 }
1256
1257 return 0;
1258 }
1259 #else
hda_sdw_machine_select(struct snd_sof_dev * sdev)1260 static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
1261 {
1262 return 0;
1263 }
1264 #endif
1265
hda_set_mach_params(const struct snd_soc_acpi_mach * mach,struct snd_sof_dev * sdev)1266 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach,
1267 struct snd_sof_dev *sdev)
1268 {
1269 struct snd_sof_pdata *pdata = sdev->pdata;
1270 const struct sof_dev_desc *desc = pdata->desc;
1271 struct snd_soc_acpi_mach_params *mach_params;
1272
1273 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
1274 mach_params->platform = dev_name(sdev->dev);
1275 mach_params->num_dai_drivers = desc->ops->num_drv;
1276 mach_params->dai_drivers = desc->ops->drv;
1277 }
1278
hda_machine_select(struct snd_sof_dev * sdev)1279 void hda_machine_select(struct snd_sof_dev *sdev)
1280 {
1281 struct snd_sof_pdata *sof_pdata = sdev->pdata;
1282 const struct sof_dev_desc *desc = sof_pdata->desc;
1283 struct snd_soc_acpi_mach *mach;
1284
1285 mach = snd_soc_acpi_find_machine(desc->machines);
1286 if (mach) {
1287 /*
1288 * If tplg file name is overridden, use it instead of
1289 * the one set in mach table
1290 */
1291 if (!sof_pdata->tplg_filename)
1292 sof_pdata->tplg_filename = mach->sof_tplg_filename;
1293
1294 sof_pdata->machine = mach;
1295
1296 if (mach->link_mask) {
1297 mach->mach_params.links = mach->links;
1298 mach->mach_params.link_mask = mach->link_mask;
1299 }
1300 }
1301
1302 /*
1303 * If I2S fails, try SoundWire
1304 */
1305 hda_sdw_machine_select(sdev);
1306
1307 /*
1308 * Choose HDA generic machine driver if mach is NULL.
1309 * Otherwise, set certain mach params.
1310 */
1311 hda_generic_machine_select(sdev);
1312
1313 if (!sof_pdata->machine)
1314 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1315 }
1316
hda_pci_intel_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1317 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1318 {
1319 int ret;
1320
1321 ret = snd_intel_dsp_driver_probe(pci);
1322 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1323 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1324 return -ENODEV;
1325 }
1326
1327 return sof_pci_probe(pci, pci_id);
1328 }
1329 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON);
1330
1331 MODULE_LICENSE("Dual BSD/GPL");
1332 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
1333 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1334 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1335 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1336 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1337 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1338