core.c (542898c5aa5c6a3179dffb1d1606884a63f75fed) core.c (6955d9512d0ea814f1c2761bef7ad7b3cedf4d68)
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// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>

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117out:
118 dev_printk(level, sdev->dev, "panic at %s:%d\n", panic_info->filename,
119 panic_info->linenum);
120 sof_oops(sdev, level, oops);
121 sof_stack(sdev, level, oops, stack, stack_words);
122}
123EXPORT_SYMBOL(sof_print_oops_and_stack);
124
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// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>

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117out:
118 dev_printk(level, sdev->dev, "panic at %s:%d\n", panic_info->filename,
119 panic_info->linenum);
120 sof_oops(sdev, level, oops);
121 sof_stack(sdev, level, oops, stack, stack_words);
122}
123EXPORT_SYMBOL(sof_print_oops_and_stack);
124
125/* Helper to manage DSP state */
126void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state)
127{
128 if (sdev->fw_state == new_state)
129 return;
130
131 dev_dbg(sdev->dev, "fw_state change: %d -> %d\n", sdev->fw_state, new_state);
132 sdev->fw_state = new_state;
133
134 switch (new_state) {
135 case SOF_FW_BOOT_NOT_STARTED:
136 case SOF_FW_BOOT_COMPLETE:
137 case SOF_FW_CRASHED:
138 sof_client_fw_state_dispatcher(sdev);
139 fallthrough;
140 default:
141 break;
142 }
143}
144EXPORT_SYMBOL(sof_set_fw_state);
145
125/*
126 * FW Boot State Transition Diagram
127 *
128 * +----------------------------------------------------------------------+
129 * | |
130 * ------------------ ------------------ |
131 * | | | | |
132 * | BOOT_FAILED |<-------| READY_FAILED | |

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261
262 ret = snd_sof_machine_register(sdev, plat_data);
263 if (ret < 0) {
264 dev_err(sdev->dev,
265 "error: failed to register machine driver %d\n", ret);
266 goto fw_trace_err;
267 }
268
146/*
147 * FW Boot State Transition Diagram
148 *
149 * +----------------------------------------------------------------------+
150 * | |
151 * ------------------ ------------------ |
152 * | | | | |
153 * | BOOT_FAILED |<-------| READY_FAILED | |

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282
283 ret = snd_sof_machine_register(sdev, plat_data);
284 if (ret < 0) {
285 dev_err(sdev->dev,
286 "error: failed to register machine driver %d\n", ret);
287 goto fw_trace_err;
288 }
289
290 ret = sof_register_clients(sdev);
291 if (ret < 0) {
292 dev_err(sdev->dev, "failed to register clients %d\n", ret);
293 goto sof_machine_err;
294 }
295
269 /*
270 * Some platforms in SOF, ex: BYT, may not have their platform PM
271 * callbacks set. Increment the usage count so as to
272 * prevent the device from entering runtime suspend.
273 */
274 if (!sof_ops(sdev)->runtime_suspend || !sof_ops(sdev)->runtime_resume)
275 pm_runtime_get_noresume(sdev->dev);
276
277 if (plat_data->sof_probe_complete)
278 plat_data->sof_probe_complete(sdev->dev);
279
280 sdev->probe_completed = true;
281
282 return 0;
283
296 /*
297 * Some platforms in SOF, ex: BYT, may not have their platform PM
298 * callbacks set. Increment the usage count so as to
299 * prevent the device from entering runtime suspend.
300 */
301 if (!sof_ops(sdev)->runtime_suspend || !sof_ops(sdev)->runtime_resume)
302 pm_runtime_get_noresume(sdev->dev);
303
304 if (plat_data->sof_probe_complete)
305 plat_data->sof_probe_complete(sdev->dev);
306
307 sdev->probe_completed = true;
308
309 return 0;
310
311sof_machine_err:
312 snd_sof_machine_unregister(sdev, plat_data);
284fw_trace_err:
285 snd_sof_free_trace(sdev);
286fw_run_err:
287 snd_sof_fw_unload(sdev);
288fw_load_err:
289 snd_sof_ipc_free(sdev);
290ipc_err:
291dbg_err:

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324 /* initialize sof device */
325 sdev->dev = dev;
326
327 /* initialize default DSP power state */
328 sdev->dsp_power_state.state = SOF_DSP_PM_D0;
329
330 sdev->pdata = plat_data;
331 sdev->first_boot = true;
313fw_trace_err:
314 snd_sof_free_trace(sdev);
315fw_run_err:
316 snd_sof_fw_unload(sdev);
317fw_load_err:
318 snd_sof_ipc_free(sdev);
319ipc_err:
320dbg_err:

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353 /* initialize sof device */
354 sdev->dev = dev;
355
356 /* initialize default DSP power state */
357 sdev->dsp_power_state.state = SOF_DSP_PM_D0;
358
359 sdev->pdata = plat_data;
360 sdev->first_boot = true;
332 sof_set_fw_state(sdev, SOF_FW_BOOT_NOT_STARTED);
333#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
334 sdev->extractor_stream_tag = SOF_PROBE_INVALID_NODE_ID;
335#endif
336 dev_set_drvdata(dev, sdev);
337
338 /* check all mandatory ops */
339 if (!sof_ops(sdev) || !sof_ops(sdev)->probe || !sof_ops(sdev)->run ||
340 !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write ||

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345 return -EINVAL;
346 }
347
348 INIT_LIST_HEAD(&sdev->pcm_list);
349 INIT_LIST_HEAD(&sdev->kcontrol_list);
350 INIT_LIST_HEAD(&sdev->widget_list);
351 INIT_LIST_HEAD(&sdev->dai_list);
352 INIT_LIST_HEAD(&sdev->route_list);
361#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
362 sdev->extractor_stream_tag = SOF_PROBE_INVALID_NODE_ID;
363#endif
364 dev_set_drvdata(dev, sdev);
365
366 /* check all mandatory ops */
367 if (!sof_ops(sdev) || !sof_ops(sdev)->probe || !sof_ops(sdev)->run ||
368 !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write ||

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373 return -EINVAL;
374 }
375
376 INIT_LIST_HEAD(&sdev->pcm_list);
377 INIT_LIST_HEAD(&sdev->kcontrol_list);
378 INIT_LIST_HEAD(&sdev->widget_list);
379 INIT_LIST_HEAD(&sdev->dai_list);
380 INIT_LIST_HEAD(&sdev->route_list);
381 INIT_LIST_HEAD(&sdev->ipc_client_list);
382 INIT_LIST_HEAD(&sdev->ipc_rx_handler_list);
383 INIT_LIST_HEAD(&sdev->fw_state_handler_list);
353 spin_lock_init(&sdev->ipc_lock);
354 spin_lock_init(&sdev->hw_lock);
355 mutex_init(&sdev->power_state_access);
384 spin_lock_init(&sdev->ipc_lock);
385 spin_lock_init(&sdev->hw_lock);
386 mutex_init(&sdev->power_state_access);
387 mutex_init(&sdev->ipc_client_mutex);
388 mutex_init(&sdev->client_event_handler_mutex);
356
357 /* set default timeouts if none provided */
358 if (plat_data->desc->ipc_timeout == 0)
359 sdev->ipc_timeout = TIMEOUT_DEFAULT_IPC_MS;
360 else
361 sdev->ipc_timeout = plat_data->desc->ipc_timeout;
362 if (plat_data->desc->boot_timeout == 0)
363 sdev->boot_timeout = TIMEOUT_DEFAULT_BOOT_MS;
364 else
365 sdev->boot_timeout = plat_data->desc->boot_timeout;
366
389
390 /* set default timeouts if none provided */
391 if (plat_data->desc->ipc_timeout == 0)
392 sdev->ipc_timeout = TIMEOUT_DEFAULT_IPC_MS;
393 else
394 sdev->ipc_timeout = plat_data->desc->ipc_timeout;
395 if (plat_data->desc->boot_timeout == 0)
396 sdev->boot_timeout = TIMEOUT_DEFAULT_BOOT_MS;
397 else
398 sdev->boot_timeout = plat_data->desc->boot_timeout;
399
400 sof_set_fw_state(sdev, SOF_FW_BOOT_NOT_STARTED);
401
367 if (IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)) {
368 INIT_WORK(&sdev->probe_work, sof_probe_work);
369 schedule_work(&sdev->probe_work);
370 return 0;
371 }
372
373 return sof_probe_continue(sdev);
374}

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387 struct snd_sof_dev *sdev = dev_get_drvdata(dev);
388 struct snd_sof_pdata *pdata = sdev->pdata;
389 int ret;
390
391 if (IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE))
392 cancel_work_sync(&sdev->probe_work);
393
394 /*
402 if (IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE)) {
403 INIT_WORK(&sdev->probe_work, sof_probe_work);
404 schedule_work(&sdev->probe_work);
405 return 0;
406 }
407
408 return sof_probe_continue(sdev);
409}

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422 struct snd_sof_dev *sdev = dev_get_drvdata(dev);
423 struct snd_sof_pdata *pdata = sdev->pdata;
424 int ret;
425
426 if (IS_ENABLED(CONFIG_SND_SOC_SOF_PROBE_WORK_QUEUE))
427 cancel_work_sync(&sdev->probe_work);
428
429 /*
430 * Unregister any registered client device first before IPC and debugfs
431 * to allow client drivers to be removed cleanly
432 */
433 sof_unregister_clients(sdev);
434
435 /*
395 * Unregister machine driver. This will unbind the snd_card which
396 * will remove the component driver and unload the topology
397 * before freeing the snd_card.
398 */
399 snd_sof_machine_unregister(sdev, pdata);
400
401 if (sdev->fw_state > SOF_FW_BOOT_NOT_STARTED) {
402 snd_sof_free_trace(sdev);

--- 43 unchanged lines hidden --- 		436 * Unregister machine driver. This will unbind the snd_card which
437 * will remove the component driver and unload the topology
438 * before freeing the snd_card.
439 */
440 snd_sof_machine_unregister(sdev, pdata);
441
442 if (sdev->fw_state > SOF_FW_BOOT_NOT_STARTED) {
443 snd_sof_free_trace(sdev);

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