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 #define CREATE_TRACE_POINTS
35 #include <trace/events/sof_intel.h>
36
37 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
38 #include <sound/soc-acpi-intel-match.h>
39 #endif
40
41 /* platform specific devices */
42 #include "shim.h"
43
44 #define EXCEPT_MAX_HDR_SIZE 0x400
45 #define HDA_EXT_ROM_STATUS_SIZE 8
46
hda_ctrl_dai_widget_setup(struct snd_soc_dapm_widget * w,unsigned int quirk_flags,struct snd_sof_dai_config_data * data)47 int hda_ctrl_dai_widget_setup(struct snd_soc_dapm_widget *w, unsigned int quirk_flags,
48 struct snd_sof_dai_config_data *data)
49 {
50 struct snd_sof_widget *swidget = w->dobj.private;
51 struct snd_soc_component *component = swidget->scomp;
52 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
53 const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
54 struct snd_sof_dai *sof_dai = swidget->private;
55 int ret;
56
57 if (!sof_dai) {
58 dev_err(sdev->dev, "%s: No DAI for DAI widget %s\n", __func__, w->name);
59 return -EINVAL;
60 }
61
62 if (tplg_ops->dai_config) {
63 unsigned int flags;
64
65 /* set HW_PARAMS flag along with quirks */
66 flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS |
67 quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT;
68
69 ret = tplg_ops->dai_config(sdev, swidget, flags, data);
70 if (ret < 0) {
71 dev_err(sdev->dev, "%s: DAI config failed for widget %s\n", __func__,
72 w->name);
73 return ret;
74 }
75 }
76
77 return 0;
78 }
79
hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget * w,unsigned int quirk_flags,struct snd_sof_dai_config_data * data)80 int hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget *w, unsigned int quirk_flags,
81 struct snd_sof_dai_config_data *data)
82 {
83 struct snd_sof_widget *swidget = w->dobj.private;
84 struct snd_soc_component *component = swidget->scomp;
85 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
86 const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
87 struct snd_sof_dai *sof_dai = swidget->private;
88
89 if (!sof_dai) {
90 dev_err(sdev->dev, "%s: No DAI for BE DAI widget %s\n", __func__, w->name);
91 return -EINVAL;
92 }
93
94 if (tplg_ops->dai_config) {
95 unsigned int flags;
96 int ret;
97
98 /* set HW_FREE flag along with any quirks */
99 flags = SOF_DAI_CONFIG_FLAGS_HW_FREE |
100 quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT;
101
102 ret = tplg_ops->dai_config(sdev, swidget, flags, data);
103 if (ret < 0)
104 dev_err(sdev->dev, "%s: DAI config failed for widget '%s'\n", __func__,
105 w->name);
106 }
107
108 return 0;
109 }
110
111 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
112
113 /*
114 * The default for SoundWire clock stop quirks is to power gate the IP
115 * and do a Bus Reset, this will need to be modified when the DSP
116 * needs to remain in D0i3 so that the Master does not lose context
117 * and enumeration is not required on clock restart
118 */
119 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
120 module_param(sdw_clock_stop_quirks, int, 0444);
121 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
122
sdw_params_stream(struct device * dev,struct sdw_intel_stream_params_data * params_data)123 static int sdw_params_stream(struct device *dev,
124 struct sdw_intel_stream_params_data *params_data)
125 {
126 struct snd_soc_dai *d = params_data->dai;
127 struct snd_sof_dai_config_data data;
128 struct snd_soc_dapm_widget *w;
129
130 w = snd_soc_dai_get_widget(d, params_data->stream);
131 data.dai_index = (params_data->link_id << 8) | d->id;
132 data.dai_data = params_data->alh_stream_id;
133
134 return hda_ctrl_dai_widget_setup(w, SOF_DAI_CONFIG_FLAGS_NONE, &data);
135 }
136
sdw_free_stream(struct device * dev,struct sdw_intel_stream_free_data * free_data)137 static int sdw_free_stream(struct device *dev,
138 struct sdw_intel_stream_free_data *free_data)
139 {
140 struct snd_soc_dai *d = free_data->dai;
141 struct snd_sof_dai_config_data data;
142 struct snd_soc_dapm_widget *w;
143
144 w = snd_soc_dai_get_widget(d, free_data->stream);
145 data.dai_index = (free_data->link_id << 8) | d->id;
146
147 /* send invalid stream_id */
148 data.dai_data = 0xFFFF;
149
150 return hda_ctrl_dai_widget_free(w, SOF_DAI_CONFIG_FLAGS_NONE, &data);
151 }
152
153 struct sdw_intel_ops sdw_callback = {
154 .params_stream = sdw_params_stream,
155 .free_stream = sdw_free_stream,
156 };
157
hda_sdw_int_enable(struct snd_sof_dev * sdev,bool enable)158 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
159 {
160 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable);
161 }
162
hda_sdw_acpi_scan(struct snd_sof_dev * sdev)163 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
164 {
165 struct sof_intel_hda_dev *hdev;
166 acpi_handle handle;
167 int ret;
168
169 handle = ACPI_HANDLE(sdev->dev);
170
171 /* save ACPI info for the probe step */
172 hdev = sdev->pdata->hw_pdata;
173
174 ret = sdw_intel_acpi_scan(handle, &hdev->info);
175 if (ret < 0)
176 return -EINVAL;
177
178 return 0;
179 }
180
hda_sdw_probe(struct snd_sof_dev * sdev)181 static int hda_sdw_probe(struct snd_sof_dev *sdev)
182 {
183 struct sof_intel_hda_dev *hdev;
184 struct sdw_intel_res res;
185 void *sdw;
186
187 hdev = sdev->pdata->hw_pdata;
188
189 memset(&res, 0, sizeof(res));
190
191 res.mmio_base = sdev->bar[HDA_DSP_BAR];
192 res.shim_base = hdev->desc->sdw_shim_base;
193 res.alh_base = hdev->desc->sdw_alh_base;
194 res.irq = sdev->ipc_irq;
195 res.handle = hdev->info.handle;
196 res.parent = sdev->dev;
197 res.ops = &sdw_callback;
198 res.dev = sdev->dev;
199 res.clock_stop_quirks = sdw_clock_stop_quirks;
200
201 /*
202 * ops and arg fields are not populated for now,
203 * they will be needed when the DAI callbacks are
204 * provided
205 */
206
207 /* we could filter links here if needed, e.g for quirks */
208 res.count = hdev->info.count;
209 res.link_mask = hdev->info.link_mask;
210
211 sdw = sdw_intel_probe(&res);
212 if (!sdw) {
213 dev_err(sdev->dev, "error: SoundWire probe failed\n");
214 return -EINVAL;
215 }
216
217 /* save context */
218 hdev->sdw = sdw;
219
220 return 0;
221 }
222
hda_sdw_startup(struct snd_sof_dev * sdev)223 int hda_sdw_startup(struct snd_sof_dev *sdev)
224 {
225 struct sof_intel_hda_dev *hdev;
226 struct snd_sof_pdata *pdata = sdev->pdata;
227
228 hdev = sdev->pdata->hw_pdata;
229
230 if (!hdev->sdw)
231 return 0;
232
233 if (pdata->machine && !pdata->machine->mach_params.link_mask)
234 return 0;
235
236 return sdw_intel_startup(hdev->sdw);
237 }
238
hda_sdw_exit(struct snd_sof_dev * sdev)239 static int hda_sdw_exit(struct snd_sof_dev *sdev)
240 {
241 struct sof_intel_hda_dev *hdev;
242
243 hdev = sdev->pdata->hw_pdata;
244
245 hda_sdw_int_enable(sdev, false);
246
247 if (hdev->sdw)
248 sdw_intel_exit(hdev->sdw);
249 hdev->sdw = NULL;
250
251 return 0;
252 }
253
hda_common_check_sdw_irq(struct snd_sof_dev * sdev)254 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
255 {
256 struct sof_intel_hda_dev *hdev;
257 bool ret = false;
258 u32 irq_status;
259
260 hdev = sdev->pdata->hw_pdata;
261
262 if (!hdev->sdw)
263 return ret;
264
265 /* store status */
266 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
267
268 /* invalid message ? */
269 if (irq_status == 0xffffffff)
270 goto out;
271
272 /* SDW message ? */
273 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
274 ret = true;
275
276 out:
277 return ret;
278 }
279
hda_dsp_check_sdw_irq(struct snd_sof_dev * sdev)280 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
281 {
282 const struct sof_intel_dsp_desc *chip;
283
284 chip = get_chip_info(sdev->pdata);
285 if (chip && chip->check_sdw_irq)
286 return chip->check_sdw_irq(sdev);
287
288 return false;
289 }
290
hda_dsp_sdw_thread(int irq,void * context)291 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
292 {
293 return sdw_intel_thread(irq, context);
294 }
295
hda_sdw_check_wakeen_irq(struct snd_sof_dev * sdev)296 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
297 {
298 struct sof_intel_hda_dev *hdev;
299
300 hdev = sdev->pdata->hw_pdata;
301 if (hdev->sdw &&
302 snd_sof_dsp_read(sdev, HDA_DSP_BAR,
303 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
304 return true;
305
306 return false;
307 }
308
hda_sdw_process_wakeen(struct snd_sof_dev * sdev)309 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
310 {
311 struct sof_intel_hda_dev *hdev;
312
313 hdev = sdev->pdata->hw_pdata;
314 if (!hdev->sdw)
315 return;
316
317 sdw_intel_process_wakeen_event(hdev->sdw);
318 }
319
320 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
hda_sdw_acpi_scan(struct snd_sof_dev * sdev)321 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
322 {
323 return 0;
324 }
325
hda_sdw_probe(struct snd_sof_dev * sdev)326 static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
327 {
328 return 0;
329 }
330
hda_sdw_exit(struct snd_sof_dev * sdev)331 static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
332 {
333 return 0;
334 }
335
hda_dsp_check_sdw_irq(struct snd_sof_dev * sdev)336 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
337 {
338 return false;
339 }
340
hda_dsp_sdw_thread(int irq,void * context)341 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
342 {
343 return IRQ_HANDLED;
344 }
345
hda_sdw_check_wakeen_irq(struct snd_sof_dev * sdev)346 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
347 {
348 return false;
349 }
350
351 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
352
353 /*
354 * Debug
355 */
356
357 struct hda_dsp_msg_code {
358 u32 code;
359 const char *text;
360 };
361
362 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
363 static bool hda_use_msi = true;
364 module_param_named(use_msi, hda_use_msi, bool, 0444);
365 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
366 #else
367 #define hda_use_msi (1)
368 #endif
369
370 int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS;
371 module_param_named(position_quirk, sof_hda_position_quirk, int, 0444);
372 MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk");
373
374 static char *hda_model;
375 module_param(hda_model, charp, 0444);
376 MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
377
378 static int dmic_num_override = -1;
379 module_param_named(dmic_num, dmic_num_override, int, 0444);
380 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
381
382 static int mclk_id_override = -1;
383 module_param_named(mclk_id, mclk_id_override, int, 0444);
384 MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
385
386 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
387 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI);
388 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
389 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
390 #endif
391
392 static const struct hda_dsp_msg_code hda_dsp_rom_fw_error_texts[] = {
393 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
394 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
395 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
396 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
397 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
398 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
399 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
400 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
401 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
402 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
403 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
404 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
405 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
406 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
407 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
408 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"},
409 };
410
411 #define FSR_ROM_STATE_ENTRY(state) {FSR_STATE_ROM_##state, #state}
412 static const struct hda_dsp_msg_code fsr_rom_state_names[] = {
413 FSR_ROM_STATE_ENTRY(INIT),
414 FSR_ROM_STATE_ENTRY(INIT_DONE),
415 FSR_ROM_STATE_ENTRY(CSE_MANIFEST_LOADED),
416 FSR_ROM_STATE_ENTRY(FW_MANIFEST_LOADED),
417 FSR_ROM_STATE_ENTRY(FW_FW_LOADED),
418 FSR_ROM_STATE_ENTRY(FW_ENTERED),
419 FSR_ROM_STATE_ENTRY(VERIFY_FEATURE_MASK),
420 FSR_ROM_STATE_ENTRY(GET_LOAD_OFFSET),
421 FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT),
422 FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT_DONE),
423 /* CSE states */
424 FSR_ROM_STATE_ENTRY(CSE_IMR_REQUEST),
425 FSR_ROM_STATE_ENTRY(CSE_IMR_GRANTED),
426 FSR_ROM_STATE_ENTRY(CSE_VALIDATE_IMAGE_REQUEST),
427 FSR_ROM_STATE_ENTRY(CSE_IMAGE_VALIDATED),
428 FSR_ROM_STATE_ENTRY(CSE_IPC_IFACE_INIT),
429 FSR_ROM_STATE_ENTRY(CSE_IPC_RESET_PHASE_1),
430 FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL_ENTRY),
431 FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL),
432 FSR_ROM_STATE_ENTRY(CSE_IPC_DOWN),
433 };
434
435 #define FSR_BRINGUP_STATE_ENTRY(state) {FSR_STATE_BRINGUP_##state, #state}
436 static const struct hda_dsp_msg_code fsr_bringup_state_names[] = {
437 FSR_BRINGUP_STATE_ENTRY(INIT),
438 FSR_BRINGUP_STATE_ENTRY(INIT_DONE),
439 FSR_BRINGUP_STATE_ENTRY(HPSRAM_LOAD),
440 FSR_BRINGUP_STATE_ENTRY(UNPACK_START),
441 FSR_BRINGUP_STATE_ENTRY(IMR_RESTORE),
442 FSR_BRINGUP_STATE_ENTRY(FW_ENTERED),
443 };
444
445 #define FSR_WAIT_STATE_ENTRY(state) {FSR_WAIT_FOR_##state, #state}
446 static const struct hda_dsp_msg_code fsr_wait_state_names[] = {
447 FSR_WAIT_STATE_ENTRY(IPC_BUSY),
448 FSR_WAIT_STATE_ENTRY(IPC_DONE),
449 FSR_WAIT_STATE_ENTRY(CACHE_INVALIDATION),
450 FSR_WAIT_STATE_ENTRY(LP_SRAM_OFF),
451 FSR_WAIT_STATE_ENTRY(DMA_BUFFER_FULL),
452 FSR_WAIT_STATE_ENTRY(CSE_CSR),
453 };
454
455 #define FSR_MODULE_NAME_ENTRY(mod) [FSR_MOD_##mod] = #mod
456 static const char * const fsr_module_names[] = {
457 FSR_MODULE_NAME_ENTRY(ROM),
458 FSR_MODULE_NAME_ENTRY(ROM_BYP),
459 FSR_MODULE_NAME_ENTRY(BASE_FW),
460 FSR_MODULE_NAME_ENTRY(LP_BOOT),
461 FSR_MODULE_NAME_ENTRY(BRNGUP),
462 FSR_MODULE_NAME_ENTRY(ROM_EXT),
463 };
464
465 static const char *
hda_dsp_get_state_text(u32 code,const struct hda_dsp_msg_code * msg_code,size_t array_size)466 hda_dsp_get_state_text(u32 code, const struct hda_dsp_msg_code *msg_code,
467 size_t array_size)
468 {
469 int i;
470
471 for (i = 0; i < array_size; i++) {
472 if (code == msg_code[i].code)
473 return msg_code[i].text;
474 }
475
476 return NULL;
477 }
478
hda_dsp_get_state(struct snd_sof_dev * sdev,const char * level)479 static void hda_dsp_get_state(struct snd_sof_dev *sdev, const char *level)
480 {
481 const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
482 const char *state_text, *error_text, *module_text;
483 u32 fsr, state, wait_state, module, error_code;
484
485 fsr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg);
486 state = FSR_TO_STATE_CODE(fsr);
487 wait_state = FSR_TO_WAIT_STATE_CODE(fsr);
488 module = FSR_TO_MODULE_CODE(fsr);
489
490 if (module > FSR_MOD_ROM_EXT)
491 module_text = "unknown";
492 else
493 module_text = fsr_module_names[module];
494
495 if (module == FSR_MOD_BRNGUP)
496 state_text = hda_dsp_get_state_text(state, fsr_bringup_state_names,
497 ARRAY_SIZE(fsr_bringup_state_names));
498 else
499 state_text = hda_dsp_get_state_text(state, fsr_rom_state_names,
500 ARRAY_SIZE(fsr_rom_state_names));
501
502 /* not for us, must be generic sof message */
503 if (!state_text) {
504 dev_printk(level, sdev->dev, "%#010x: unknown ROM status value\n", fsr);
505 return;
506 }
507
508 if (wait_state) {
509 const char *wait_state_text;
510
511 wait_state_text = hda_dsp_get_state_text(wait_state, fsr_wait_state_names,
512 ARRAY_SIZE(fsr_wait_state_names));
513 if (!wait_state_text)
514 wait_state_text = "unknown";
515
516 dev_printk(level, sdev->dev,
517 "%#010x: module: %s, state: %s, waiting for: %s, %s\n",
518 fsr, module_text, state_text, wait_state_text,
519 fsr & FSR_HALTED ? "not running" : "running");
520 } else {
521 dev_printk(level, sdev->dev, "%#010x: module: %s, state: %s, %s\n",
522 fsr, module_text, state_text,
523 fsr & FSR_HALTED ? "not running" : "running");
524 }
525
526 error_code = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + 4);
527 if (!error_code)
528 return;
529
530 error_text = hda_dsp_get_state_text(error_code, hda_dsp_rom_fw_error_texts,
531 ARRAY_SIZE(hda_dsp_rom_fw_error_texts));
532 if (!error_text)
533 error_text = "unknown";
534
535 if (state == FSR_STATE_FW_ENTERED)
536 dev_printk(level, sdev->dev, "status code: %#x (%s)\n", error_code,
537 error_text);
538 else
539 dev_printk(level, sdev->dev, "error code: %#x (%s)\n", error_code,
540 error_text);
541 }
542
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)543 static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
544 struct sof_ipc_dsp_oops_xtensa *xoops,
545 struct sof_ipc_panic_info *panic_info,
546 u32 *stack, size_t stack_words)
547 {
548 u32 offset = sdev->dsp_oops_offset;
549
550 /* first read registers */
551 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
552
553 /* note: variable AR register array is not read */
554
555 /* then get panic info */
556 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
557 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
558 xoops->arch_hdr.totalsize);
559 return;
560 }
561 offset += xoops->arch_hdr.totalsize;
562 sof_block_read(sdev, sdev->mmio_bar, offset,
563 panic_info, sizeof(*panic_info));
564
565 /* then get the stack */
566 offset += sizeof(*panic_info);
567 sof_block_read(sdev, sdev->mmio_bar, offset, stack,
568 stack_words * sizeof(u32));
569 }
570
571 /* dump the first 8 dwords representing the extended ROM status */
hda_dsp_dump_ext_rom_status(struct snd_sof_dev * sdev,const char * level,u32 flags)572 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level,
573 u32 flags)
574 {
575 const struct sof_intel_dsp_desc *chip;
576 char msg[128];
577 int len = 0;
578 u32 value;
579 int i;
580
581 chip = get_chip_info(sdev->pdata);
582 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
583 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
584 len += scnprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
585 }
586
587 dev_printk(level, sdev->dev, "extended rom status: %s", msg);
588
589 }
590
hda_dsp_dump(struct snd_sof_dev * sdev,u32 flags)591 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
592 {
593 char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
594 struct sof_ipc_dsp_oops_xtensa xoops;
595 struct sof_ipc_panic_info panic_info;
596 u32 stack[HDA_DSP_STACK_DUMP_SIZE];
597
598 /* print ROM/FW status */
599 hda_dsp_get_state(sdev, level);
600
601 /* The firmware register dump only available with IPC3 */
602 if (flags & SOF_DBG_DUMP_REGS && sdev->pdata->ipc_type == SOF_IPC) {
603 u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
604 u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
605
606 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
607 HDA_DSP_STACK_DUMP_SIZE);
608 sof_print_oops_and_stack(sdev, level, status, panic, &xoops,
609 &panic_info, stack, HDA_DSP_STACK_DUMP_SIZE);
610 } else {
611 hda_dsp_dump_ext_rom_status(sdev, level, flags);
612 }
613 }
614
hda_check_ipc_irq(struct snd_sof_dev * sdev)615 static bool hda_check_ipc_irq(struct snd_sof_dev *sdev)
616 {
617 const struct sof_intel_dsp_desc *chip;
618
619 chip = get_chip_info(sdev->pdata);
620 if (chip && chip->check_ipc_irq)
621 return chip->check_ipc_irq(sdev);
622
623 return false;
624 }
625
hda_ipc_irq_dump(struct snd_sof_dev * sdev)626 void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
627 {
628 struct hdac_bus *bus = sof_to_bus(sdev);
629 u32 adspis;
630 u32 intsts;
631 u32 intctl;
632 u32 ppsts;
633 u8 rirbsts;
634
635 /* read key IRQ stats and config registers */
636 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
637 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
638 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
639 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
640 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
641
642 dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
643 intsts, intctl, rirbsts);
644 dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis);
645 }
646
hda_ipc_dump(struct snd_sof_dev * sdev)647 void hda_ipc_dump(struct snd_sof_dev *sdev)
648 {
649 u32 hipcie;
650 u32 hipct;
651 u32 hipcctl;
652
653 hda_ipc_irq_dump(sdev);
654
655 /* read IPC status */
656 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
657 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
658 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
659
660 /* dump the IPC regs */
661 /* TODO: parse the raw msg */
662 dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
663 hipcie, hipct, hipcctl);
664 }
665
hda_ipc4_dump(struct snd_sof_dev * sdev)666 void hda_ipc4_dump(struct snd_sof_dev *sdev)
667 {
668 u32 hipci, hipcie, hipct, hipcte, hipcctl;
669
670 hda_ipc_irq_dump(sdev);
671
672 hipci = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCI);
673 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
674 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
675 hipcte = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCTE);
676 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
677
678 /* dump the IPC regs */
679 /* TODO: parse the raw msg */
680 dev_err(sdev->dev, "Host IPC initiator: %#x|%#x, target: %#x|%#x, ctl: %#x\n",
681 hipci, hipcie, hipct, hipcte, hipcctl);
682 }
683
hda_init(struct snd_sof_dev * sdev)684 static int hda_init(struct snd_sof_dev *sdev)
685 {
686 struct hda_bus *hbus;
687 struct hdac_bus *bus;
688 struct pci_dev *pci = to_pci_dev(sdev->dev);
689 int ret;
690
691 hbus = sof_to_hbus(sdev);
692 bus = sof_to_bus(sdev);
693
694 /* HDA bus init */
695 sof_hda_bus_init(bus, &pci->dev);
696
697 if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
698 bus->use_posbuf = 0;
699 else
700 bus->use_posbuf = 1;
701 bus->bdl_pos_adj = 0;
702 bus->sync_write = 1;
703
704 mutex_init(&hbus->prepare_mutex);
705 hbus->pci = pci;
706 hbus->mixer_assigned = -1;
707 hbus->modelname = hda_model;
708
709 /* initialise hdac bus */
710 bus->addr = pci_resource_start(pci, 0);
711 bus->remap_addr = pci_ioremap_bar(pci, 0);
712 if (!bus->remap_addr) {
713 dev_err(bus->dev, "error: ioremap error\n");
714 return -ENXIO;
715 }
716
717 /* HDA base */
718 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
719
720 /* init i915 and HDMI codecs */
721 ret = hda_codec_i915_init(sdev);
722 if (ret < 0)
723 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n");
724
725 /* get controller capabilities */
726 ret = hda_dsp_ctrl_get_caps(sdev);
727 if (ret < 0)
728 dev_err(sdev->dev, "error: get caps error\n");
729
730 return ret;
731 }
732
check_dmic_num(struct snd_sof_dev * sdev)733 static int check_dmic_num(struct snd_sof_dev *sdev)
734 {
735 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
736 struct nhlt_acpi_table *nhlt;
737 int dmic_num = 0;
738
739 nhlt = hdev->nhlt;
740 if (nhlt)
741 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
742
743 /* allow for module parameter override */
744 if (dmic_num_override != -1) {
745 dev_dbg(sdev->dev,
746 "overriding DMICs detected in NHLT tables %d by kernel param %d\n",
747 dmic_num, dmic_num_override);
748 dmic_num = dmic_num_override;
749 }
750
751 if (dmic_num < 0 || dmic_num > 4) {
752 dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
753 dmic_num = 0;
754 }
755
756 return dmic_num;
757 }
758
check_nhlt_ssp_mask(struct snd_sof_dev * sdev)759 static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev)
760 {
761 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
762 struct nhlt_acpi_table *nhlt;
763 int ssp_mask = 0;
764
765 nhlt = hdev->nhlt;
766 if (!nhlt)
767 return ssp_mask;
768
769 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
770 ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S);
771 if (ssp_mask)
772 dev_info(sdev->dev, "NHLT_DEVICE_I2S detected, ssp_mask %#x\n", ssp_mask);
773 }
774
775 return ssp_mask;
776 }
777
check_nhlt_ssp_mclk_mask(struct snd_sof_dev * sdev,int ssp_num)778 static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
779 {
780 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
781 struct nhlt_acpi_table *nhlt;
782
783 nhlt = hdev->nhlt;
784 if (!nhlt)
785 return 0;
786
787 return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
788 }
789
790 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
791
fixup_tplg_name(struct snd_sof_dev * sdev,const char * sof_tplg_filename,const char * idisp_str,const char * dmic_str)792 static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
793 const char *sof_tplg_filename,
794 const char *idisp_str,
795 const char *dmic_str)
796 {
797 const char *tplg_filename = NULL;
798 char *filename, *tmp;
799 const char *split_ext;
800
801 filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
802 if (!filename)
803 return NULL;
804
805 /* this assumes a .tplg extension */
806 tmp = filename;
807 split_ext = strsep(&tmp, ".");
808 if (split_ext)
809 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
810 "%s%s%s.tplg",
811 split_ext, idisp_str, dmic_str);
812 kfree(filename);
813
814 return tplg_filename;
815 }
816
dmic_detect_topology_fixup(struct snd_sof_dev * sdev,const char ** tplg_filename,const char * idisp_str,int * dmic_found,bool tplg_fixup)817 static int dmic_detect_topology_fixup(struct snd_sof_dev *sdev,
818 const char **tplg_filename,
819 const char *idisp_str,
820 int *dmic_found,
821 bool tplg_fixup)
822 {
823 const char *dmic_str;
824 int dmic_num;
825
826 /* first check for DMICs (using NHLT or module parameter) */
827 dmic_num = check_dmic_num(sdev);
828
829 switch (dmic_num) {
830 case 1:
831 dmic_str = "-1ch";
832 break;
833 case 2:
834 dmic_str = "-2ch";
835 break;
836 case 3:
837 dmic_str = "-3ch";
838 break;
839 case 4:
840 dmic_str = "-4ch";
841 break;
842 default:
843 dmic_num = 0;
844 dmic_str = "";
845 break;
846 }
847
848 if (tplg_fixup) {
849 const char *default_tplg_filename = *tplg_filename;
850 const char *fixed_tplg_filename;
851
852 fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
853 idisp_str, dmic_str);
854 if (!fixed_tplg_filename)
855 return -ENOMEM;
856 *tplg_filename = fixed_tplg_filename;
857 }
858
859 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
860 *dmic_found = dmic_num;
861
862 return 0;
863 }
864 #endif
865
hda_init_caps(struct snd_sof_dev * sdev)866 static int hda_init_caps(struct snd_sof_dev *sdev)
867 {
868 struct hdac_bus *bus = sof_to_bus(sdev);
869 struct snd_sof_pdata *pdata = sdev->pdata;
870 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
871 struct hdac_ext_link *hlink;
872 #endif
873 struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
874 u32 link_mask;
875 int ret = 0;
876
877 /* check if dsp is there */
878 if (bus->ppcap)
879 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
880
881 /* Init HDA controller after i915 init */
882 ret = hda_dsp_ctrl_init_chip(sdev, true);
883 if (ret < 0) {
884 dev_err(bus->dev, "error: init chip failed with ret: %d\n",
885 ret);
886 return ret;
887 }
888
889 /* scan SoundWire capabilities exposed by DSDT */
890 ret = hda_sdw_acpi_scan(sdev);
891 if (ret < 0) {
892 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
893 goto skip_soundwire;
894 }
895
896 link_mask = hdev->info.link_mask;
897 if (!link_mask) {
898 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
899 goto skip_soundwire;
900 }
901
902 /*
903 * probe/allocate SoundWire resources.
904 * The hardware configuration takes place in hda_sdw_startup
905 * after power rails are enabled.
906 * It's entirely possible to have a mix of I2S/DMIC/SoundWire
907 * devices, so we allocate the resources in all cases.
908 */
909 ret = hda_sdw_probe(sdev);
910 if (ret < 0) {
911 dev_err(sdev->dev, "error: SoundWire probe error\n");
912 return ret;
913 }
914
915 skip_soundwire:
916
917 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
918 if (bus->mlcap)
919 snd_hdac_ext_bus_get_ml_capabilities(bus);
920
921 /* create codec instances */
922 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi);
923
924 if (!HDA_IDISP_CODEC(bus->codec_mask))
925 hda_codec_i915_display_power(sdev, false);
926
927 /*
928 * we are done probing so decrement link counts
929 */
930 list_for_each_entry(hlink, &bus->hlink_list, list)
931 snd_hdac_ext_bus_link_put(bus, hlink);
932 #endif
933 return 0;
934 }
935
hda_check_for_state_change(struct snd_sof_dev * sdev)936 static void hda_check_for_state_change(struct snd_sof_dev *sdev)
937 {
938 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
939 struct hdac_bus *bus = sof_to_bus(sdev);
940 unsigned int codec_mask;
941
942 codec_mask = snd_hdac_chip_readw(bus, STATESTS);
943 if (codec_mask) {
944 hda_codec_jack_check(sdev);
945 snd_hdac_chip_writew(bus, STATESTS, codec_mask);
946 }
947 #endif
948 }
949
hda_dsp_interrupt_handler(int irq,void * context)950 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
951 {
952 struct snd_sof_dev *sdev = context;
953
954 /*
955 * Get global interrupt status. It includes all hardware interrupt
956 * sources in the Intel HD Audio controller.
957 */
958 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
959 SOF_HDA_INTSTS_GIS) {
960
961 /* disable GIE interrupt */
962 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
963 SOF_HDA_INTCTL,
964 SOF_HDA_INT_GLOBAL_EN,
965 0);
966
967 return IRQ_WAKE_THREAD;
968 }
969
970 return IRQ_NONE;
971 }
972
hda_dsp_interrupt_thread(int irq,void * context)973 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
974 {
975 struct snd_sof_dev *sdev = context;
976 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
977
978 /* deal with streams and controller first */
979 if (hda_dsp_check_stream_irq(sdev)) {
980 trace_sof_intel_hda_irq(sdev, "stream");
981 hda_dsp_stream_threaded_handler(irq, sdev);
982 }
983
984 if (hda_check_ipc_irq(sdev)) {
985 trace_sof_intel_hda_irq(sdev, "ipc");
986 sof_ops(sdev)->irq_thread(irq, sdev);
987 }
988
989 if (hda_dsp_check_sdw_irq(sdev)) {
990 trace_sof_intel_hda_irq(sdev, "sdw");
991 hda_dsp_sdw_thread(irq, hdev->sdw);
992 }
993
994 if (hda_sdw_check_wakeen_irq(sdev)) {
995 trace_sof_intel_hda_irq(sdev, "wakeen");
996 hda_sdw_process_wakeen(sdev);
997 }
998
999 hda_check_for_state_change(sdev);
1000
1001 /* enable GIE interrupt */
1002 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
1003 SOF_HDA_INTCTL,
1004 SOF_HDA_INT_GLOBAL_EN,
1005 SOF_HDA_INT_GLOBAL_EN);
1006
1007 return IRQ_HANDLED;
1008 }
1009
hda_dsp_probe(struct snd_sof_dev * sdev)1010 int hda_dsp_probe(struct snd_sof_dev *sdev)
1011 {
1012 struct pci_dev *pci = to_pci_dev(sdev->dev);
1013 struct sof_intel_hda_dev *hdev;
1014 struct hdac_bus *bus;
1015 const struct sof_intel_dsp_desc *chip;
1016 int ret = 0;
1017
1018 /*
1019 * detect DSP by checking class/subclass/prog-id information
1020 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
1021 * class=04 subclass 01 prog-if 00: DSP is present
1022 * (and may be required e.g. for DMIC or SSP support)
1023 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
1024 */
1025 if (pci->class == 0x040300) {
1026 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
1027 return -ENODEV;
1028 } else if (pci->class != 0x040100 && pci->class != 0x040380) {
1029 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
1030 return -ENODEV;
1031 }
1032 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
1033
1034 chip = get_chip_info(sdev->pdata);
1035 if (!chip) {
1036 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
1037 pci->device);
1038 ret = -EIO;
1039 goto err;
1040 }
1041
1042 sdev->num_cores = chip->cores_num;
1043
1044 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
1045 if (!hdev)
1046 return -ENOMEM;
1047 sdev->pdata->hw_pdata = hdev;
1048 hdev->desc = chip;
1049
1050 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
1051 PLATFORM_DEVID_NONE,
1052 NULL, 0);
1053 if (IS_ERR(hdev->dmic_dev)) {
1054 dev_err(sdev->dev, "error: failed to create DMIC device\n");
1055 return PTR_ERR(hdev->dmic_dev);
1056 }
1057
1058 /*
1059 * use position update IPC if either it is forced
1060 * or we don't have other choice
1061 */
1062 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
1063 hdev->no_ipc_position = 0;
1064 #else
1065 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
1066 #endif
1067
1068 /* set up HDA base */
1069 bus = sof_to_bus(sdev);
1070 ret = hda_init(sdev);
1071 if (ret < 0)
1072 goto hdac_bus_unmap;
1073
1074 /* DSP base */
1075 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
1076 if (!sdev->bar[HDA_DSP_BAR]) {
1077 dev_err(sdev->dev, "error: ioremap error\n");
1078 ret = -ENXIO;
1079 goto hdac_bus_unmap;
1080 }
1081
1082 sdev->mmio_bar = HDA_DSP_BAR;
1083 sdev->mailbox_bar = HDA_DSP_BAR;
1084
1085 /* allow 64bit DMA address if supported by H/W */
1086 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
1087 dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
1088 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
1089 }
1090 dma_set_max_seg_size(&pci->dev, UINT_MAX);
1091
1092 /* init streams */
1093 ret = hda_dsp_stream_init(sdev);
1094 if (ret < 0) {
1095 dev_err(sdev->dev, "error: failed to init streams\n");
1096 /*
1097 * not all errors are due to memory issues, but trying
1098 * to free everything does not harm
1099 */
1100 goto free_streams;
1101 }
1102
1103 /*
1104 * register our IRQ
1105 * let's try to enable msi firstly
1106 * if it fails, use legacy interrupt mode
1107 * TODO: support msi multiple vectors
1108 */
1109 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
1110 dev_info(sdev->dev, "use msi interrupt mode\n");
1111 sdev->ipc_irq = pci_irq_vector(pci, 0);
1112 /* initialised to "false" by kzalloc() */
1113 sdev->msi_enabled = true;
1114 }
1115
1116 if (!sdev->msi_enabled) {
1117 dev_info(sdev->dev, "use legacy interrupt mode\n");
1118 /*
1119 * in IO-APIC mode, hda->irq and ipc_irq are using the same
1120 * irq number of pci->irq
1121 */
1122 sdev->ipc_irq = pci->irq;
1123 }
1124
1125 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
1126 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
1127 hda_dsp_interrupt_thread,
1128 IRQF_SHARED, "AudioDSP", sdev);
1129 if (ret < 0) {
1130 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
1131 sdev->ipc_irq);
1132 goto free_irq_vector;
1133 }
1134
1135 pci_set_master(pci);
1136 synchronize_irq(pci->irq);
1137
1138 /*
1139 * clear TCSEL to clear playback on some HD Audio
1140 * codecs. PCI TCSEL is defined in the Intel manuals.
1141 */
1142 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
1143
1144 /* init HDA capabilities */
1145 ret = hda_init_caps(sdev);
1146 if (ret < 0)
1147 goto free_ipc_irq;
1148
1149 /* enable ppcap interrupt */
1150 hda_dsp_ctrl_ppcap_enable(sdev, true);
1151 hda_dsp_ctrl_ppcap_int_enable(sdev, true);
1152
1153 /* set default mailbox offset for FW ready message */
1154 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
1155
1156 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
1157
1158 init_waitqueue_head(&hdev->waitq);
1159
1160 hdev->nhlt = intel_nhlt_init(sdev->dev);
1161
1162 return 0;
1163
1164 free_ipc_irq:
1165 free_irq(sdev->ipc_irq, sdev);
1166 free_irq_vector:
1167 if (sdev->msi_enabled)
1168 pci_free_irq_vectors(pci);
1169 free_streams:
1170 hda_dsp_stream_free(sdev);
1171 /* dsp_unmap: not currently used */
1172 iounmap(sdev->bar[HDA_DSP_BAR]);
1173 hdac_bus_unmap:
1174 platform_device_unregister(hdev->dmic_dev);
1175 iounmap(bus->remap_addr);
1176 hda_codec_i915_exit(sdev);
1177 err:
1178 return ret;
1179 }
1180
hda_dsp_remove(struct snd_sof_dev * sdev)1181 int hda_dsp_remove(struct snd_sof_dev *sdev)
1182 {
1183 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1184 const struct sof_intel_dsp_desc *chip = hda->desc;
1185 struct hdac_bus *bus = sof_to_bus(sdev);
1186 struct pci_dev *pci = to_pci_dev(sdev->dev);
1187 struct nhlt_acpi_table *nhlt = hda->nhlt;
1188
1189 if (nhlt)
1190 intel_nhlt_free(nhlt);
1191
1192 /* cancel any attempt for DSP D0I3 */
1193 cancel_delayed_work_sync(&hda->d0i3_work);
1194
1195 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
1196 /* codec removal, invoke bus_device_remove */
1197 snd_hdac_ext_bus_device_remove(bus);
1198 #endif
1199
1200 hda_sdw_exit(sdev);
1201
1202 if (!IS_ERR_OR_NULL(hda->dmic_dev))
1203 platform_device_unregister(hda->dmic_dev);
1204
1205 /* disable DSP IRQ */
1206 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
1207 SOF_HDA_PPCTL_PIE, 0);
1208
1209 /* disable CIE and GIE interrupts */
1210 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
1211 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
1212
1213 /* no need to check for error as the DSP will be disabled anyway */
1214 if (chip && chip->power_down_dsp)
1215 chip->power_down_dsp(sdev);
1216
1217 /* disable DSP */
1218 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
1219 SOF_HDA_PPCTL_GPROCEN, 0);
1220
1221 free_irq(sdev->ipc_irq, sdev);
1222 if (sdev->msi_enabled)
1223 pci_free_irq_vectors(pci);
1224
1225 hda_dsp_stream_free(sdev);
1226 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
1227 snd_hdac_link_free_all(bus);
1228 #endif
1229
1230 iounmap(sdev->bar[HDA_DSP_BAR]);
1231 iounmap(bus->remap_addr);
1232
1233 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
1234 snd_hdac_ext_bus_exit(bus);
1235 #endif
1236 hda_codec_i915_exit(sdev);
1237
1238 return 0;
1239 }
1240
hda_power_down_dsp(struct snd_sof_dev * sdev)1241 int hda_power_down_dsp(struct snd_sof_dev *sdev)
1242 {
1243 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
1244 const struct sof_intel_dsp_desc *chip = hda->desc;
1245
1246 return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
1247 }
1248
1249 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
hda_generic_machine_select(struct snd_sof_dev * sdev,struct snd_soc_acpi_mach ** mach)1250 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1251 struct snd_soc_acpi_mach **mach)
1252 {
1253 struct hdac_bus *bus = sof_to_bus(sdev);
1254 struct snd_soc_acpi_mach_params *mach_params;
1255 struct snd_soc_acpi_mach *hda_mach;
1256 struct snd_sof_pdata *pdata = sdev->pdata;
1257 const char *tplg_filename;
1258 const char *idisp_str;
1259 int dmic_num = 0;
1260 int codec_num = 0;
1261 int ret;
1262 int i;
1263
1264 /* codec detection */
1265 if (!bus->codec_mask) {
1266 dev_info(bus->dev, "no hda codecs found!\n");
1267 } else {
1268 dev_info(bus->dev, "hda codecs found, mask %lx\n",
1269 bus->codec_mask);
1270
1271 for (i = 0; i < HDA_MAX_CODECS; i++) {
1272 if (bus->codec_mask & (1 << i))
1273 codec_num++;
1274 }
1275
1276 /*
1277 * If no machine driver is found, then:
1278 *
1279 * generic hda machine driver can handle:
1280 * - one HDMI codec, and/or
1281 * - one external HDAudio codec
1282 */
1283 if (!*mach && codec_num <= 2) {
1284 bool tplg_fixup;
1285
1286 hda_mach = snd_soc_acpi_intel_hda_machines;
1287
1288 dev_info(bus->dev, "using HDA machine driver %s now\n",
1289 hda_mach->drv_name);
1290
1291 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
1292 idisp_str = "-idisp";
1293 else
1294 idisp_str = "";
1295
1296 /* topology: use the info from hda_machines */
1297 if (pdata->tplg_filename) {
1298 tplg_fixup = false;
1299 tplg_filename = pdata->tplg_filename;
1300 } else {
1301 tplg_fixup = true;
1302 tplg_filename = hda_mach->sof_tplg_filename;
1303 }
1304 ret = dmic_detect_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num,
1305 tplg_fixup);
1306 if (ret < 0)
1307 return;
1308
1309 hda_mach->mach_params.dmic_num = dmic_num;
1310 pdata->tplg_filename = tplg_filename;
1311
1312 if (codec_num == 2) {
1313 /*
1314 * Prevent SoundWire links from starting when an external
1315 * HDaudio codec is used
1316 */
1317 hda_mach->mach_params.link_mask = 0;
1318 }
1319
1320 *mach = hda_mach;
1321 }
1322 }
1323
1324 /* used by hda machine driver to create dai links */
1325 if (*mach) {
1326 mach_params = &(*mach)->mach_params;
1327 mach_params->codec_mask = bus->codec_mask;
1328 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
1329 }
1330 }
1331 #else
hda_generic_machine_select(struct snd_sof_dev * sdev,struct snd_soc_acpi_mach ** mach)1332 static void hda_generic_machine_select(struct snd_sof_dev *sdev,
1333 struct snd_soc_acpi_mach **mach)
1334 {
1335 }
1336 #endif
1337
1338 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
1339
1340 #define SDW_CODEC_ADR_MASK(_adr) ((_adr) & (SDW_DISCO_LINK_ID_MASK | SDW_VERSION_MASK | \
1341 SDW_MFG_ID_MASK | SDW_PART_ID_MASK))
1342
1343 /* 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)1344 static bool link_slaves_found(struct snd_sof_dev *sdev,
1345 const struct snd_soc_acpi_link_adr *link,
1346 struct sdw_intel_ctx *sdw)
1347 {
1348 struct hdac_bus *bus = sof_to_bus(sdev);
1349 struct sdw_intel_slave_id *ids = sdw->ids;
1350 int num_slaves = sdw->num_slaves;
1351 unsigned int part_id, link_id, unique_id, mfg_id, version;
1352 int i, j, k;
1353
1354 for (i = 0; i < link->num_adr; i++) {
1355 u64 adr = link->adr_d[i].adr;
1356 int reported_part_count = 0;
1357
1358 mfg_id = SDW_MFG_ID(adr);
1359 part_id = SDW_PART_ID(adr);
1360 link_id = SDW_DISCO_LINK_ID(adr);
1361 version = SDW_VERSION(adr);
1362
1363 for (j = 0; j < num_slaves; j++) {
1364 /* find out how many identical parts were reported on that link */
1365 if (ids[j].link_id == link_id &&
1366 ids[j].id.part_id == part_id &&
1367 ids[j].id.mfg_id == mfg_id &&
1368 ids[j].id.sdw_version == version)
1369 reported_part_count++;
1370 }
1371
1372 for (j = 0; j < num_slaves; j++) {
1373 int expected_part_count = 0;
1374
1375 if (ids[j].link_id != link_id ||
1376 ids[j].id.part_id != part_id ||
1377 ids[j].id.mfg_id != mfg_id ||
1378 ids[j].id.sdw_version != version)
1379 continue;
1380
1381 /* find out how many identical parts are expected */
1382 for (k = 0; k < link->num_adr; k++) {
1383 u64 adr2 = link->adr_d[k].adr;
1384
1385 if (SDW_CODEC_ADR_MASK(adr2) == SDW_CODEC_ADR_MASK(adr))
1386 expected_part_count++;
1387 }
1388
1389 if (reported_part_count == expected_part_count) {
1390 /*
1391 * we have to check unique id
1392 * if there is more than one
1393 * Slave on the link
1394 */
1395 unique_id = SDW_UNIQUE_ID(adr);
1396 if (reported_part_count == 1 ||
1397 ids[j].id.unique_id == unique_id) {
1398 dev_dbg(bus->dev, "found %x at link %d\n",
1399 part_id, link_id);
1400 break;
1401 }
1402 } else {
1403 dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n",
1404 part_id, reported_part_count, expected_part_count, link_id);
1405 }
1406 }
1407 if (j == num_slaves) {
1408 dev_dbg(bus->dev,
1409 "Slave %x not found\n",
1410 part_id);
1411 return false;
1412 }
1413 }
1414 return true;
1415 }
1416
hda_sdw_machine_select(struct snd_sof_dev * sdev)1417 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1418 {
1419 struct snd_sof_pdata *pdata = sdev->pdata;
1420 const struct snd_soc_acpi_link_adr *link;
1421 struct snd_soc_acpi_mach *mach;
1422 struct sof_intel_hda_dev *hdev;
1423 u32 link_mask;
1424 int i;
1425
1426 hdev = pdata->hw_pdata;
1427 link_mask = hdev->info.link_mask;
1428
1429 /*
1430 * Select SoundWire machine driver if needed using the
1431 * alternate tables. This case deals with SoundWire-only
1432 * machines, for mixed cases with I2C/I2S the detection relies
1433 * on the HID list.
1434 */
1435 if (link_mask) {
1436 for (mach = pdata->desc->alt_machines;
1437 mach && mach->link_mask; mach++) {
1438 /*
1439 * On some platforms such as Up Extreme all links
1440 * are enabled but only one link can be used by
1441 * external codec. Instead of exact match of two masks,
1442 * first check whether link_mask of mach is subset of
1443 * link_mask supported by hw and then go on searching
1444 * link_adr
1445 */
1446 if (~link_mask & mach->link_mask)
1447 continue;
1448
1449 /* No need to match adr if there is no links defined */
1450 if (!mach->links)
1451 break;
1452
1453 link = mach->links;
1454 for (i = 0; i < hdev->info.count && link->num_adr;
1455 i++, link++) {
1456 /*
1457 * Try next machine if any expected Slaves
1458 * are not found on this link.
1459 */
1460 if (!link_slaves_found(sdev, link, hdev->sdw))
1461 break;
1462 }
1463 /* Found if all Slaves are checked */
1464 if (i == hdev->info.count || !link->num_adr)
1465 break;
1466 }
1467 if (mach && mach->link_mask) {
1468 int dmic_num = 0;
1469 bool tplg_fixup;
1470 const char *tplg_filename;
1471
1472 mach->mach_params.links = mach->links;
1473 mach->mach_params.link_mask = mach->link_mask;
1474 mach->mach_params.platform = dev_name(sdev->dev);
1475
1476 if (pdata->tplg_filename) {
1477 tplg_fixup = false;
1478 } else {
1479 tplg_fixup = true;
1480 tplg_filename = mach->sof_tplg_filename;
1481 }
1482
1483 /*
1484 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
1485 * link 2 and 3, or link 1 and 2, thus we only try to enable dmics
1486 * if all conditions are true:
1487 * a) 2 or fewer links are used by SoundWire
1488 * b) the NHLT table reports the presence of microphones
1489 */
1490 if (hweight_long(mach->link_mask) <= 2) {
1491 int ret;
1492
1493 ret = dmic_detect_topology_fixup(sdev, &tplg_filename, "",
1494 &dmic_num, tplg_fixup);
1495 if (ret < 0)
1496 return NULL;
1497 }
1498 if (tplg_fixup)
1499 pdata->tplg_filename = tplg_filename;
1500 mach->mach_params.dmic_num = dmic_num;
1501
1502 dev_dbg(sdev->dev,
1503 "SoundWire machine driver %s topology %s\n",
1504 mach->drv_name,
1505 pdata->tplg_filename);
1506
1507 return mach;
1508 }
1509
1510 dev_info(sdev->dev, "No SoundWire machine driver found\n");
1511 }
1512
1513 return NULL;
1514 }
1515 #else
hda_sdw_machine_select(struct snd_sof_dev * sdev)1516 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
1517 {
1518 return NULL;
1519 }
1520 #endif
1521
hda_set_mach_params(struct snd_soc_acpi_mach * mach,struct snd_sof_dev * sdev)1522 void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
1523 struct snd_sof_dev *sdev)
1524 {
1525 struct snd_sof_pdata *pdata = sdev->pdata;
1526 const struct sof_dev_desc *desc = pdata->desc;
1527 struct snd_soc_acpi_mach_params *mach_params;
1528
1529 mach_params = &mach->mach_params;
1530 mach_params->platform = dev_name(sdev->dev);
1531 mach_params->num_dai_drivers = desc->ops->num_drv;
1532 mach_params->dai_drivers = desc->ops->drv;
1533 }
1534
hda_machine_select(struct snd_sof_dev * sdev)1535 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
1536 {
1537 struct snd_sof_pdata *sof_pdata = sdev->pdata;
1538 const struct sof_dev_desc *desc = sof_pdata->desc;
1539 struct snd_soc_acpi_mach *mach;
1540 const char *tplg_filename;
1541
1542 mach = snd_soc_acpi_find_machine(desc->machines);
1543 if (mach) {
1544 bool add_extension = false;
1545 bool tplg_fixup = false;
1546
1547 /*
1548 * If tplg file name is overridden, use it instead of
1549 * the one set in mach table
1550 */
1551 if (!sof_pdata->tplg_filename) {
1552 sof_pdata->tplg_filename = mach->sof_tplg_filename;
1553 tplg_fixup = true;
1554 }
1555
1556 /* report to machine driver if any DMICs are found */
1557 mach->mach_params.dmic_num = check_dmic_num(sdev);
1558
1559 if (tplg_fixup &&
1560 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER &&
1561 mach->mach_params.dmic_num) {
1562 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1563 "%s%s%d%s",
1564 sof_pdata->tplg_filename,
1565 "-dmic",
1566 mach->mach_params.dmic_num,
1567 "ch");
1568 if (!tplg_filename)
1569 return NULL;
1570
1571 sof_pdata->tplg_filename = tplg_filename;
1572 add_extension = true;
1573 }
1574
1575 if (mach->link_mask) {
1576 mach->mach_params.links = mach->links;
1577 mach->mach_params.link_mask = mach->link_mask;
1578 }
1579
1580 /* report SSP link mask to machine driver */
1581 mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev);
1582
1583 if (tplg_fixup &&
1584 mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
1585 mach->mach_params.i2s_link_mask) {
1586 const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
1587 int ssp_num;
1588 int mclk_mask;
1589
1590 if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
1591 !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
1592 dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
1593
1594 /* fls returns 1-based results, SSPs indices are 0-based */
1595 ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
1596
1597 if (ssp_num >= chip->ssp_count) {
1598 dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
1599 ssp_num, chip->ssp_count);
1600 return NULL;
1601 }
1602
1603 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1604 "%s%s%d",
1605 sof_pdata->tplg_filename,
1606 "-ssp",
1607 ssp_num);
1608 if (!tplg_filename)
1609 return NULL;
1610
1611 sof_pdata->tplg_filename = tplg_filename;
1612 add_extension = true;
1613
1614 mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
1615
1616 if (mclk_mask < 0) {
1617 dev_err(sdev->dev, "Invalid MCLK configuration\n");
1618 return NULL;
1619 }
1620
1621 dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
1622
1623 if (mclk_mask) {
1624 dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
1625 sdev->mclk_id_override = true;
1626 sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
1627 }
1628 }
1629
1630 if (tplg_fixup && add_extension) {
1631 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
1632 "%s%s",
1633 sof_pdata->tplg_filename,
1634 ".tplg");
1635 if (!tplg_filename)
1636 return NULL;
1637
1638 sof_pdata->tplg_filename = tplg_filename;
1639 }
1640
1641 /* check if mclk_id should be modified from topology defaults */
1642 if (mclk_id_override >= 0) {
1643 dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
1644 sdev->mclk_id_override = true;
1645 sdev->mclk_id_quirk = mclk_id_override;
1646 }
1647 }
1648
1649 /*
1650 * If I2S fails, try SoundWire
1651 */
1652 if (!mach)
1653 mach = hda_sdw_machine_select(sdev);
1654
1655 /*
1656 * Choose HDA generic machine driver if mach is NULL.
1657 * Otherwise, set certain mach params.
1658 */
1659 hda_generic_machine_select(sdev, &mach);
1660 if (!mach)
1661 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
1662
1663 return mach;
1664 }
1665
hda_pci_intel_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)1666 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1667 {
1668 int ret;
1669
1670 ret = snd_intel_dsp_driver_probe(pci);
1671 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
1672 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
1673 return -ENODEV;
1674 }
1675
1676 return sof_pci_probe(pci, pci_id);
1677 }
1678 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON);
1679
hda_register_clients(struct snd_sof_dev * sdev)1680 int hda_register_clients(struct snd_sof_dev *sdev)
1681 {
1682 return hda_probes_register(sdev);
1683 }
1684
hda_unregister_clients(struct snd_sof_dev * sdev)1685 void hda_unregister_clients(struct snd_sof_dev *sdev)
1686 {
1687 hda_probes_unregister(sdev);
1688 }
1689
1690 MODULE_LICENSE("Dual BSD/GPL");
1691 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
1692 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
1693 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
1694 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
1695 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1696 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
1697