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  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 HDA DSP code loader
 16 */
 17
 18#include <linux/firmware.h>
 19#include <sound/hdaudio_ext.h>
 20#include <sound/hda_register.h>
 21#include <sound/sof.h>
 22#include <sound/sof/ipc4/header.h>
 23#include "ext_manifest.h"
 24#include "../ipc4-priv.h"
 25#include "../ops.h"
 26#include "../sof-priv.h"
 27#include "hda.h"
 28
 29static void hda_ssp_set_cbp_cfp(struct snd_sof_dev *sdev)
 30{
 31	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 32	const struct sof_intel_dsp_desc *chip = hda->desc;
 33	int i;
 34
 35	/* DSP is powered up, set all SSPs to clock consumer/codec provider mode */
 36	for (i = 0; i < chip->ssp_count; i++) {
 37		snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
 38						 chip->ssp_base_offset
 39						 + i * SSP_DEV_MEM_SIZE
 40						 + SSP_SSC1_OFFSET,
 41						 SSP_SET_CBP_CFP,
 42						 SSP_SET_CBP_CFP);
 43	}
 44}
 45
 46struct hdac_ext_stream *hda_cl_stream_prepare(struct snd_sof_dev *sdev, unsigned int format,
 47					      unsigned int size, struct snd_dma_buffer *dmab,
 48					      int direction)
 49{
 50	struct hdac_ext_stream *hext_stream;
 51	struct hdac_stream *hstream;
 52	struct pci_dev *pci = to_pci_dev(sdev->dev);
 53	int ret;
 54
 55	hext_stream = hda_dsp_stream_get(sdev, direction, 0);
 56
 57	if (!hext_stream) {
 58		dev_err(sdev->dev, "error: no stream available\n");
 59		return ERR_PTR(-ENODEV);
 60	}
 61	hstream = &hext_stream->hstream;
 62	hstream->substream = NULL;
 63
 64	/* allocate DMA buffer */
 65	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV_SG, &pci->dev, size, dmab);
 66	if (ret < 0) {
 67		dev_err(sdev->dev, "error: memory alloc failed: %d\n", ret);
 68		goto out_put;
 69	}
 70
 71	hstream->period_bytes = 0;/* initialize period_bytes */
 72	hstream->format_val = format;
 73	hstream->bufsize = size;
 74
 75	if (direction == SNDRV_PCM_STREAM_CAPTURE) {
 76		ret = hda_dsp_iccmax_stream_hw_params(sdev, hext_stream, dmab, NULL);
 77		if (ret < 0) {
 78			dev_err(sdev->dev, "error: iccmax stream prepare failed: %d\n", ret);
 79			goto out_free;
 80		}
 81	} else {
 82		ret = hda_dsp_stream_hw_params(sdev, hext_stream, dmab, NULL);
 83		if (ret < 0) {
 84			dev_err(sdev->dev, "error: hdac prepare failed: %d\n", ret);
 85			goto out_free;
 86		}
 87		hda_dsp_stream_spib_config(sdev, hext_stream, HDA_DSP_SPIB_ENABLE, size);
 88	}
 89
 90	return hext_stream;
 91
 92out_free:
 93	snd_dma_free_pages(dmab);
 94out_put:
 95	hda_dsp_stream_put(sdev, direction, hstream->stream_tag);
 96	return ERR_PTR(ret);
 97}
 98
 99/*
100 * first boot sequence has some extra steps.
101 * power on all host managed cores and only unstall/run the boot core to boot the
102 * DSP then turn off all non boot cores (if any) is powered on.
103 */
104int cl_dsp_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot)
105{
106	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
107	const struct sof_intel_dsp_desc *chip = hda->desc;
108	unsigned int status, target_status;
109	u32 flags, ipc_hdr, j;
110	unsigned long mask;
111	char *dump_msg;
112	int ret;
113
114	/* step 1: power up corex */
115	ret = hda_dsp_core_power_up(sdev, chip->host_managed_cores_mask);
116	if (ret < 0) {
117		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
118			dev_err(sdev->dev, "error: dsp core 0/1 power up failed\n");
119		goto err;
120	}
121
122	hda_ssp_set_cbp_cfp(sdev);
123
124	/* step 2: Send ROM_CONTROL command (stream_tag is ignored for IMR boot) */
125	ipc_hdr = chip->ipc_req_mask | HDA_DSP_ROM_IPC_CONTROL;
126	if (!imr_boot)
127		ipc_hdr |= HDA_DSP_ROM_IPC_PURGE_FW | ((stream_tag - 1) << 9);
128
129	snd_sof_dsp_write(sdev, HDA_DSP_BAR, chip->ipc_req, ipc_hdr);
130
131	/* step 3: unset core 0 reset state & unstall/run core 0 */
132	ret = hda_dsp_core_run(sdev, chip->init_core_mask);
133	if (ret < 0) {
134		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
135			dev_err(sdev->dev,
136				"error: dsp core start failed %d\n", ret);
137		ret = -EIO;
138		goto err;
139	}
140
141	/* step 4: wait for IPC DONE bit from ROM */
142	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
143					    chip->ipc_ack, status,
144					    ((status & chip->ipc_ack_mask)
145						    == chip->ipc_ack_mask),
146					    HDA_DSP_REG_POLL_INTERVAL_US,
147					    HDA_DSP_INIT_TIMEOUT_US);
148
149	if (ret < 0) {
150		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
151			dev_err(sdev->dev,
152				"error: %s: timeout for HIPCIE done\n",
153				__func__);
154		goto err;
155	}
156
157	/* set DONE bit to clear the reply IPC message */
158	snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR,
159				       chip->ipc_ack,
160				       chip->ipc_ack_mask,
161				       chip->ipc_ack_mask);
162
163	/* step 5: power down cores that are no longer needed */
164	ret = hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask &
165					   ~(chip->init_core_mask));
166	if (ret < 0) {
167		if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
168			dev_err(sdev->dev,
169				"error: dsp core x power down failed\n");
170		goto err;
171	}
172
173	/* step 6: enable IPC interrupts */
174	hda_dsp_ipc_int_enable(sdev);
175
176	/*
177	 * step 7:
178	 * - Cold/Full boot: wait for ROM init to proceed to download the firmware
179	 * - IMR boot: wait for ROM firmware entered (firmware booted up from IMR)
180	 */
181	if (imr_boot)
182		target_status = FSR_STATE_FW_ENTERED;
183	else
184		target_status = FSR_STATE_INIT_DONE;
185
186	ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
187					chip->rom_status_reg, status,
188					(FSR_TO_STATE_CODE(status) == target_status),
189					HDA_DSP_REG_POLL_INTERVAL_US,
190					chip->rom_init_timeout *
191					USEC_PER_MSEC);
192	if (!ret) {
193		/* set enabled cores mask and increment ref count for cores in init_core_mask */
194		sdev->enabled_cores_mask |= chip->init_core_mask;
195		mask = sdev->enabled_cores_mask;
196		for_each_set_bit(j, &mask, SOF_MAX_DSP_NUM_CORES)
197			sdev->dsp_core_ref_count[j]++;
198		return 0;
199	}
200
201	if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
202		dev_err(sdev->dev,
203			"%s: timeout with rom_status_reg (%#x) read\n",
204			__func__, chip->rom_status_reg);
205
206err:
207	flags = SOF_DBG_DUMP_PCI | SOF_DBG_DUMP_MBOX | SOF_DBG_DUMP_OPTIONAL;
208
209	/* after max boot attempts make sure that the dump is printed */
210	if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
211		flags &= ~SOF_DBG_DUMP_OPTIONAL;
212
213	dump_msg = kasprintf(GFP_KERNEL, "Boot iteration failed: %d/%d",
214			     hda->boot_iteration, HDA_FW_BOOT_ATTEMPTS);
215	snd_sof_dsp_dbg_dump(sdev, dump_msg, flags);
216	hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
217
218	kfree(dump_msg);
219	return ret;
220}
221
222static int cl_trigger(struct snd_sof_dev *sdev,
223		      struct hdac_ext_stream *hext_stream, int cmd)
224{
225	struct hdac_stream *hstream = &hext_stream->hstream;
226	int sd_offset = SOF_STREAM_SD_OFFSET(hstream);
227
228	/* code loader is special case that reuses stream ops */
229	switch (cmd) {
230	case SNDRV_PCM_TRIGGER_START:
231		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
232					1 << hstream->index,
233					1 << hstream->index);
234
235		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
236					sd_offset,
237					SOF_HDA_SD_CTL_DMA_START |
238					SOF_HDA_CL_DMA_SD_INT_MASK,
239					SOF_HDA_SD_CTL_DMA_START |
240					SOF_HDA_CL_DMA_SD_INT_MASK);
241
242		hstream->running = true;
243		return 0;
244	default:
245		return hda_dsp_stream_trigger(sdev, hext_stream, cmd);
246	}
247}
248
249int hda_cl_cleanup(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
250		   struct hdac_ext_stream *hext_stream)
251{
252	struct hdac_stream *hstream = &hext_stream->hstream;
253	int sd_offset = SOF_STREAM_SD_OFFSET(hstream);
254	int ret = 0;
255
256	if (hstream->direction == SNDRV_PCM_STREAM_PLAYBACK)
257		ret = hda_dsp_stream_spib_config(sdev, hext_stream, HDA_DSP_SPIB_DISABLE, 0);
258	else
259		snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, sd_offset,
260					SOF_HDA_SD_CTL_DMA_START, 0);
261
262	hda_dsp_stream_put(sdev, hstream->direction, hstream->stream_tag);
263	hstream->running = 0;
264	hstream->substream = NULL;
265
266	/* reset BDL address */
267	snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR,
268			  sd_offset + SOF_HDA_ADSP_REG_SD_BDLPL, 0);
269	snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR,
270			  sd_offset + SOF_HDA_ADSP_REG_SD_BDLPU, 0);
271
272	snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, sd_offset, 0);
273	snd_dma_free_pages(dmab);
274	dmab->area = NULL;
275	hstream->bufsize = 0;
276	hstream->format_val = 0;
277
278	return ret;
279}
280
281int hda_cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream)
282{
283	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
284	const struct sof_intel_dsp_desc *chip = hda->desc;
285	unsigned int reg;
286	int ret, status;
287
288	ret = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_START);
289	if (ret < 0) {
290		dev_err(sdev->dev, "error: DMA trigger start failed\n");
291		return ret;
292	}
293
294	status = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
295					chip->rom_status_reg, reg,
296					(FSR_TO_STATE_CODE(reg) == FSR_STATE_FW_ENTERED),
297					HDA_DSP_REG_POLL_INTERVAL_US,
298					HDA_DSP_BASEFW_TIMEOUT_US);
299
300	/*
301	 * even in case of errors we still need to stop the DMAs,
302	 * but we return the initial error should the DMA stop also fail
303	 */
304
305	if (status < 0) {
306		dev_err(sdev->dev,
307			"%s: timeout with rom_status_reg (%#x) read\n",
308			__func__, chip->rom_status_reg);
309	}
310
311	ret = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_STOP);
312	if (ret < 0) {
313		dev_err(sdev->dev, "error: DMA trigger stop failed\n");
314		if (!status)
315			status = ret;
316	}
317
318	return status;
319}
320
321int hda_dsp_cl_boot_firmware_iccmax(struct snd_sof_dev *sdev)
322{
323	struct hdac_ext_stream *iccmax_stream;
324	struct hdac_bus *bus = sof_to_bus(sdev);
325	struct snd_dma_buffer dmab_bdl;
326	int ret, ret1;
327	u8 original_gb;
328
329	/* save the original LTRP guardband value */
330	original_gb = snd_hdac_chip_readb(bus, VS_LTRP) & HDA_VS_INTEL_LTRP_GB_MASK;
331
332	/*
333	 * Prepare capture stream for ICCMAX. We do not need to store
334	 * the data, so use a buffer of PAGE_SIZE for receiving.
335	 */
336	iccmax_stream = hda_cl_stream_prepare(sdev, HDA_CL_STREAM_FORMAT, PAGE_SIZE,
337					      &dmab_bdl, SNDRV_PCM_STREAM_CAPTURE);
338	if (IS_ERR(iccmax_stream)) {
339		dev_err(sdev->dev, "error: dma prepare for ICCMAX stream failed\n");
340		return PTR_ERR(iccmax_stream);
341	}
342
343	ret = hda_dsp_cl_boot_firmware(sdev);
344
345	/*
346	 * Perform iccmax stream cleanup. This should be done even if firmware loading fails.
347	 * If the cleanup also fails, we return the initial error
348	 */
349	ret1 = hda_cl_cleanup(sdev, &dmab_bdl, iccmax_stream);
350	if (ret1 < 0) {
351		dev_err(sdev->dev, "error: ICCMAX stream cleanup failed\n");
352
353		/* set return value to indicate cleanup failure */
354		if (!ret)
355			ret = ret1;
356	}
357
358	/* restore the original guardband value after FW boot */
359	snd_hdac_chip_updateb(bus, VS_LTRP, HDA_VS_INTEL_LTRP_GB_MASK, original_gb);
360
361	return ret;
362}
363
364static int hda_dsp_boot_imr(struct snd_sof_dev *sdev)
365{
366	const struct sof_intel_dsp_desc *chip_info;
367	int ret;
368
369	chip_info = get_chip_info(sdev->pdata);
370	if (chip_info->cl_init)
371		ret = chip_info->cl_init(sdev, 0, true);
372	else
373		ret = -EINVAL;
374
375	if (!ret)
376		hda_sdw_process_wakeen(sdev);
377
378	return ret;
379}
380
381int hda_dsp_cl_boot_firmware(struct snd_sof_dev *sdev)
382{
383	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
384	struct snd_sof_pdata *plat_data = sdev->pdata;
385	const struct sof_dev_desc *desc = plat_data->desc;
386	const struct sof_intel_dsp_desc *chip_info;
387	struct hdac_ext_stream *hext_stream;
388	struct firmware stripped_firmware;
389	struct snd_dma_buffer dmab;
390	int ret, ret1, i;
391
392	if (hda->imrboot_supported && !sdev->first_boot && !hda->skip_imr_boot) {
393		dev_dbg(sdev->dev, "IMR restore supported, booting from IMR directly\n");
394		hda->boot_iteration = 0;
395		ret = hda_dsp_boot_imr(sdev);
396		if (!ret) {
397			hda->booted_from_imr = true;
398			return 0;
399		}
400
401		dev_warn(sdev->dev, "IMR restore failed, trying to cold boot\n");
402	}
403
404	hda->booted_from_imr = false;
405
406	chip_info = desc->chip_info;
407
408	if (sdev->basefw.fw->size <= sdev->basefw.payload_offset) {
409		dev_err(sdev->dev, "error: firmware size must be greater than firmware offset\n");
410		return -EINVAL;
411	}
412
413	stripped_firmware.data = sdev->basefw.fw->data + sdev->basefw.payload_offset;
414	stripped_firmware.size = sdev->basefw.fw->size - sdev->basefw.payload_offset;
415
416	/* init for booting wait */
417	init_waitqueue_head(&sdev->boot_wait);
418
419	/* prepare DMA for code loader stream */
420	hext_stream = hda_cl_stream_prepare(sdev, HDA_CL_STREAM_FORMAT,
421					    stripped_firmware.size,
422					    &dmab, SNDRV_PCM_STREAM_PLAYBACK);
423	if (IS_ERR(hext_stream)) {
424		dev_err(sdev->dev, "error: dma prepare for fw loading failed\n");
425		return PTR_ERR(hext_stream);
426	}
427
428	memcpy(dmab.area, stripped_firmware.data,
429	       stripped_firmware.size);
430
431	/* try ROM init a few times before giving up */
432	for (i = 0; i < HDA_FW_BOOT_ATTEMPTS; i++) {
433		dev_dbg(sdev->dev,
434			"Attempting iteration %d of Core En/ROM load...\n", i);
435
436		hda->boot_iteration = i + 1;
437		if (chip_info->cl_init)
438			ret = chip_info->cl_init(sdev, hext_stream->hstream.stream_tag, false);
439		else
440			ret = -EINVAL;
441
442		/* don't retry anymore if successful */
443		if (!ret)
444			break;
445	}
446
447	if (i == HDA_FW_BOOT_ATTEMPTS) {
448		dev_err(sdev->dev, "error: dsp init failed after %d attempts with err: %d\n",
449			i, ret);
450		goto cleanup;
451	}
452
453	/*
454	 * When a SoundWire link is in clock stop state, a Slave
455	 * device may trigger in-band wakes for events such as jack
456	 * insertion or acoustic event detection. This event will lead
457	 * to a WAKEEN interrupt, handled by the PCI device and routed
458	 * to PME if the PCI device is in D3. The resume function in
459	 * audio PCI driver will be invoked by ACPI for PME event and
460	 * initialize the device and process WAKEEN interrupt.
461	 *
462	 * The WAKEEN interrupt should be processed ASAP to prevent an
463	 * interrupt flood, otherwise other interrupts, such IPC,
464	 * cannot work normally.  The WAKEEN is handled after the ROM
465	 * is initialized successfully, which ensures power rails are
466	 * enabled before accessing the SoundWire SHIM registers
467	 */
468	if (!sdev->first_boot)
469		hda_sdw_process_wakeen(sdev);
470
471	/*
472	 * Set the boot_iteration to the last attempt, indicating that the
473	 * DSP ROM has been initialized and from this point there will be no
474	 * retry done to boot.
475	 *
476	 * Continue with code loading and firmware boot
477	 */
478	hda->boot_iteration = HDA_FW_BOOT_ATTEMPTS;
479	ret = hda_cl_copy_fw(sdev, hext_stream);
480	if (!ret) {
481		dev_dbg(sdev->dev, "Firmware download successful, booting...\n");
482		hda->skip_imr_boot = false;
483	} else {
484		snd_sof_dsp_dbg_dump(sdev, "Firmware download failed",
485				     SOF_DBG_DUMP_PCI | SOF_DBG_DUMP_MBOX);
486		hda->skip_imr_boot = true;
487	}
488
489cleanup:
490	/*
491	 * Perform codeloader stream cleanup.
492	 * This should be done even if firmware loading fails.
493	 * If the cleanup also fails, we return the initial error
494	 */
495	ret1 = hda_cl_cleanup(sdev, &dmab, hext_stream);
496	if (ret1 < 0) {
497		dev_err(sdev->dev, "error: Code loader DSP cleanup failed\n");
498
499		/* set return value to indicate cleanup failure */
500		if (!ret)
501			ret = ret1;
502	}
503
504	/*
505	 * return primary core id if both fw copy
506	 * and stream clean up are successful
507	 */
508	if (!ret)
509		return chip_info->init_core_mask;
510
511	/* disable DSP */
512	snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR,
513				SOF_HDA_REG_PP_PPCTL,
514				SOF_HDA_PPCTL_GPROCEN, 0);
515	return ret;
516}
517
518int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
519			      struct sof_ipc4_fw_library *fw_lib, bool reload)
520{
521	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
522	struct hdac_ext_stream *hext_stream;
523	struct firmware stripped_firmware;
524	struct sof_ipc4_msg msg = {};
525	struct snd_dma_buffer dmab;
526	int ret, ret1;
527
528	/* IMR booting will restore the libraries as well, skip the loading */
529	if (reload && hda->booted_from_imr)
530		return 0;
531
532	/* the fw_lib has been verified during loading, we can trust the validity here */
533	stripped_firmware.data = fw_lib->sof_fw.fw->data + fw_lib->sof_fw.payload_offset;
534	stripped_firmware.size = fw_lib->sof_fw.fw->size - fw_lib->sof_fw.payload_offset;
535
536	/* prepare DMA for code loader stream */
537	hext_stream = hda_cl_stream_prepare(sdev, HDA_CL_STREAM_FORMAT,
538					    stripped_firmware.size,
539					    &dmab, SNDRV_PCM_STREAM_PLAYBACK);
540	if (IS_ERR(hext_stream)) {
541		dev_err(sdev->dev, "%s: DMA prepare failed\n", __func__);
542		return PTR_ERR(hext_stream);
543	}
544
545	memcpy(dmab.area, stripped_firmware.data, stripped_firmware.size);
546
547	msg.primary = hext_stream->hstream.stream_tag - 1;
548	msg.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_GLB_LOAD_LIBRARY);
549	msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
550	msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_FW_GEN_MSG);
551	msg.primary |= SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID(fw_lib->id);
552
553	ret = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_START);
554	if (ret < 0) {
555		dev_err(sdev->dev, "%s: DMA trigger start failed\n", __func__);
556		goto cleanup;
557	}
558
559	ret = sof_ipc_tx_message(sdev->ipc, &msg, 0, NULL, 0);
560
561	ret1 = cl_trigger(sdev, hext_stream, SNDRV_PCM_TRIGGER_STOP);
562	if (ret1 < 0) {
563		dev_err(sdev->dev, "%s: DMA trigger stop failed\n", __func__);
564		if (!ret)
565			ret = ret1;
566	}
567
568cleanup:
569	/* clean up even in case of error and return the first error */
570	ret1 = hda_cl_cleanup(sdev, &dmab, hext_stream);
571	if (ret1 < 0) {
572		dev_err(sdev->dev, "%s: Code loader DSP cleanup failed\n", __func__);
573
574		/* set return value to indicate cleanup failure */
575		if (!ret)
576			ret = ret1;
577	}
578
579	return ret;
580}
581
582/* pre fw run operations */
583int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
584{
585	/* disable clock gating and power gating */
586	return hda_dsp_ctrl_clock_power_gating(sdev, false);
587}
588
589/* post fw run operations */
590int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
591{
592	int ret;
593
594	if (sdev->first_boot) {
595		struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
596
597		ret = hda_sdw_startup(sdev);
598		if (ret < 0) {
599			dev_err(sdev->dev,
600				"error: could not startup SoundWire links\n");
601			return ret;
602		}
603
604		/* Check if IMR boot is usable */
605		if (!sof_debug_check_flag(SOF_DBG_IGNORE_D3_PERSISTENT) &&
606		    (sdev->fw_ready.flags & SOF_IPC_INFO_D3_PERSISTENT ||
607		     sdev->pdata->ipc_type == SOF_INTEL_IPC4))
608			hdev->imrboot_supported = true;
609	}
610
611	hda_sdw_int_enable(sdev, true);
612
613	/* re-enable clock gating and power gating */
614	return hda_dsp_ctrl_clock_power_gating(sdev, true);
615}
616
617int hda_dsp_ext_man_get_cavs_config_data(struct snd_sof_dev *sdev,
618					 const struct sof_ext_man_elem_header *hdr)
619{
620	const struct sof_ext_man_cavs_config_data *config_data =
621		container_of(hdr, struct sof_ext_man_cavs_config_data, hdr);
622	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
623	int i, elem_num;
624
625	/* calculate total number of config data elements */
626	elem_num = (hdr->size - sizeof(struct sof_ext_man_elem_header))
627		   / sizeof(struct sof_config_elem);
628	if (elem_num <= 0) {
629		dev_err(sdev->dev, "cavs config data is inconsistent: %d\n", elem_num);
630		return -EINVAL;
631	}
632
633	for (i = 0; i < elem_num; i++)
634		switch (config_data->elems[i].token) {
635		case SOF_EXT_MAN_CAVS_CONFIG_EMPTY:
636			/* skip empty token */
637			break;
638		case SOF_EXT_MAN_CAVS_CONFIG_CAVS_LPRO:
639			hda->clk_config_lpro = config_data->elems[i].value;
640			dev_dbg(sdev->dev, "FW clock config: %s\n",
641				hda->clk_config_lpro ? "LPRO" : "HPRO");
642			break;
643		case SOF_EXT_MAN_CAVS_CONFIG_OUTBOX_SIZE:
644		case SOF_EXT_MAN_CAVS_CONFIG_INBOX_SIZE:
645			/* These elements are defined but not being used yet. No warn is required */
646			break;
647		default:
648			dev_info(sdev->dev, "unsupported token type: %d\n",
649				 config_data->elems[i].token);
650		}
651
652	return 0;
653}