6db4831e98
Android 14
1405 lines
38 KiB
C
1405 lines
38 KiB
C
/*
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* Intel SST Haswell/Broadwell PCM Support
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*
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* Copyright (C) 2013, Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/module.h>
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#include <linux/dma-mapping.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/pm_runtime.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/dmaengine_pcm.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#include <sound/compress_driver.h>
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#include "../haswell/sst-haswell-ipc.h"
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#include "../common/sst-dsp-priv.h"
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#include "../common/sst-dsp.h"
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#define HSW_PCM_COUNT 6
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#define HSW_VOLUME_MAX 0x7FFFFFFF /* 0dB */
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#define SST_OLD_POSITION(d, r, o) ((d) + \
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frames_to_bytes(r, o))
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#define SST_SAMPLES(r, x) (bytes_to_samples(r, \
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frames_to_bytes(r, (x))))
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/* simple volume table */
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static const u32 volume_map[] = {
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HSW_VOLUME_MAX >> 30,
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HSW_VOLUME_MAX >> 29,
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HSW_VOLUME_MAX >> 28,
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HSW_VOLUME_MAX >> 27,
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HSW_VOLUME_MAX >> 26,
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HSW_VOLUME_MAX >> 25,
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HSW_VOLUME_MAX >> 24,
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HSW_VOLUME_MAX >> 23,
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HSW_VOLUME_MAX >> 22,
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HSW_VOLUME_MAX >> 21,
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HSW_VOLUME_MAX >> 20,
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HSW_VOLUME_MAX >> 19,
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HSW_VOLUME_MAX >> 18,
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HSW_VOLUME_MAX >> 17,
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HSW_VOLUME_MAX >> 16,
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HSW_VOLUME_MAX >> 15,
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HSW_VOLUME_MAX >> 14,
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HSW_VOLUME_MAX >> 13,
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HSW_VOLUME_MAX >> 12,
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HSW_VOLUME_MAX >> 11,
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HSW_VOLUME_MAX >> 10,
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HSW_VOLUME_MAX >> 9,
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HSW_VOLUME_MAX >> 8,
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HSW_VOLUME_MAX >> 7,
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HSW_VOLUME_MAX >> 6,
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HSW_VOLUME_MAX >> 5,
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HSW_VOLUME_MAX >> 4,
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HSW_VOLUME_MAX >> 3,
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HSW_VOLUME_MAX >> 2,
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HSW_VOLUME_MAX >> 1,
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HSW_VOLUME_MAX >> 0,
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};
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#define HSW_PCM_PERIODS_MAX 64
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#define HSW_PCM_PERIODS_MIN 2
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#define HSW_PCM_DAI_ID_SYSTEM 0
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#define HSW_PCM_DAI_ID_OFFLOAD0 1
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#define HSW_PCM_DAI_ID_OFFLOAD1 2
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#define HSW_PCM_DAI_ID_LOOPBACK 3
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static const struct snd_pcm_hardware hsw_pcm_hardware = {
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.info = SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_RESUME |
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SNDRV_PCM_INFO_NO_PERIOD_WAKEUP |
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SNDRV_PCM_INFO_DRAIN_TRIGGER,
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.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
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SNDRV_PCM_FMTBIT_S32_LE,
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.period_bytes_min = PAGE_SIZE,
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.period_bytes_max = (HSW_PCM_PERIODS_MAX / HSW_PCM_PERIODS_MIN) * PAGE_SIZE,
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.periods_min = HSW_PCM_PERIODS_MIN,
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.periods_max = HSW_PCM_PERIODS_MAX,
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.buffer_bytes_max = HSW_PCM_PERIODS_MAX * PAGE_SIZE,
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};
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struct hsw_pcm_module_map {
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int dai_id;
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int stream;
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enum sst_hsw_module_id mod_id;
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};
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/* private data for each PCM DSP stream */
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struct hsw_pcm_data {
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int dai_id;
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struct sst_hsw_stream *stream;
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struct sst_module_runtime *runtime;
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struct sst_module_runtime_context context;
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struct snd_pcm *hsw_pcm;
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u32 volume[2];
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struct snd_pcm_substream *substream;
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struct snd_compr_stream *cstream;
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unsigned int wpos;
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struct mutex mutex;
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bool allocated;
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int persistent_offset;
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};
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enum hsw_pm_state {
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HSW_PM_STATE_D0 = 0,
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HSW_PM_STATE_RTD3 = 1,
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HSW_PM_STATE_D3 = 2,
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};
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/* private data for the driver */
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struct hsw_priv_data {
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/* runtime DSP */
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struct sst_hsw *hsw;
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struct device *dev;
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enum hsw_pm_state pm_state;
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struct snd_soc_card *soc_card;
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struct sst_module_runtime *runtime_waves; /* sound effect module */
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/* page tables */
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struct snd_dma_buffer dmab[HSW_PCM_COUNT][2];
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/* DAI data */
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struct hsw_pcm_data pcm[HSW_PCM_COUNT][2];
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};
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/* static mappings between PCMs and modules - may be dynamic in future */
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static struct hsw_pcm_module_map mod_map[] = {
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{HSW_PCM_DAI_ID_SYSTEM, 0, SST_HSW_MODULE_PCM_SYSTEM},
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{HSW_PCM_DAI_ID_OFFLOAD0, 0, SST_HSW_MODULE_PCM},
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{HSW_PCM_DAI_ID_OFFLOAD1, 0, SST_HSW_MODULE_PCM},
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{HSW_PCM_DAI_ID_LOOPBACK, 1, SST_HSW_MODULE_PCM_REFERENCE},
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{HSW_PCM_DAI_ID_SYSTEM, 1, SST_HSW_MODULE_PCM_CAPTURE},
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};
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static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data);
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static inline u32 hsw_mixer_to_ipc(unsigned int value)
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{
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if (value >= ARRAY_SIZE(volume_map))
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return volume_map[0];
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else
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return volume_map[value];
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}
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static inline unsigned int hsw_ipc_to_mixer(u32 value)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(volume_map); i++) {
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if (volume_map[i] >= value)
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return i;
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}
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return i - 1;
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}
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static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct hsw_priv_data *pdata =
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snd_soc_component_get_drvdata(component);
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struct hsw_pcm_data *pcm_data;
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struct sst_hsw *hsw = pdata->hsw;
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u32 volume;
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int dai, stream;
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dai = mod_map[mc->reg].dai_id;
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stream = mod_map[mc->reg].stream;
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pcm_data = &pdata->pcm[dai][stream];
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mutex_lock(&pcm_data->mutex);
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pm_runtime_get_sync(pdata->dev);
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if (!pcm_data->stream) {
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pcm_data->volume[0] =
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hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
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pcm_data->volume[1] =
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hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
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pm_runtime_mark_last_busy(pdata->dev);
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pm_runtime_put_autosuspend(pdata->dev);
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mutex_unlock(&pcm_data->mutex);
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return 0;
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}
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if (ucontrol->value.integer.value[0] ==
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ucontrol->value.integer.value[1]) {
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volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
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/* apply volume value to all channels */
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sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, SST_HSW_CHANNELS_ALL, volume);
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} else {
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volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
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sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume);
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volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
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sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume);
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}
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pm_runtime_mark_last_busy(pdata->dev);
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pm_runtime_put_autosuspend(pdata->dev);
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mutex_unlock(&pcm_data->mutex);
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return 0;
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}
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static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct hsw_priv_data *pdata =
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snd_soc_component_get_drvdata(component);
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struct hsw_pcm_data *pcm_data;
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struct sst_hsw *hsw = pdata->hsw;
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u32 volume;
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int dai, stream;
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dai = mod_map[mc->reg].dai_id;
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stream = mod_map[mc->reg].stream;
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pcm_data = &pdata->pcm[dai][stream];
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mutex_lock(&pcm_data->mutex);
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pm_runtime_get_sync(pdata->dev);
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if (!pcm_data->stream) {
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ucontrol->value.integer.value[0] =
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hsw_ipc_to_mixer(pcm_data->volume[0]);
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ucontrol->value.integer.value[1] =
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hsw_ipc_to_mixer(pcm_data->volume[1]);
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pm_runtime_mark_last_busy(pdata->dev);
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pm_runtime_put_autosuspend(pdata->dev);
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mutex_unlock(&pcm_data->mutex);
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return 0;
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}
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sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 0, &volume);
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ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume);
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sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 1, &volume);
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ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume);
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pm_runtime_mark_last_busy(pdata->dev);
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pm_runtime_put_autosuspend(pdata->dev);
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mutex_unlock(&pcm_data->mutex);
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return 0;
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}
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static int hsw_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
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struct sst_hsw *hsw = pdata->hsw;
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u32 volume;
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pm_runtime_get_sync(pdata->dev);
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if (ucontrol->value.integer.value[0] ==
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ucontrol->value.integer.value[1]) {
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volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
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sst_hsw_mixer_set_volume(hsw, 0, SST_HSW_CHANNELS_ALL, volume);
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} else {
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volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
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sst_hsw_mixer_set_volume(hsw, 0, 0, volume);
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volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
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sst_hsw_mixer_set_volume(hsw, 0, 1, volume);
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}
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pm_runtime_mark_last_busy(pdata->dev);
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pm_runtime_put_autosuspend(pdata->dev);
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return 0;
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}
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static int hsw_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
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struct sst_hsw *hsw = pdata->hsw;
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unsigned int volume = 0;
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pm_runtime_get_sync(pdata->dev);
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sst_hsw_mixer_get_volume(hsw, 0, 0, &volume);
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ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume);
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sst_hsw_mixer_get_volume(hsw, 0, 1, &volume);
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ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume);
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pm_runtime_mark_last_busy(pdata->dev);
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pm_runtime_put_autosuspend(pdata->dev);
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return 0;
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}
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static int hsw_waves_switch_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
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struct sst_hsw *hsw = pdata->hsw;
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enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
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ucontrol->value.integer.value[0] =
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(sst_hsw_is_module_active(hsw, id) ||
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sst_hsw_is_module_enabled_rtd3(hsw, id));
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return 0;
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}
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static int hsw_waves_switch_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
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struct sst_hsw *hsw = pdata->hsw;
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int ret = 0;
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enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
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bool switch_on = (bool)ucontrol->value.integer.value[0];
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/* if module is in RAM on the DSP, apply user settings to module through
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* ipc. If module is not in RAM on the DSP, store user setting for
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* track */
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if (sst_hsw_is_module_loaded(hsw, id)) {
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if (switch_on == sst_hsw_is_module_active(hsw, id))
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return 0;
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if (switch_on)
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ret = sst_hsw_module_enable(hsw, id, 0);
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else
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ret = sst_hsw_module_disable(hsw, id, 0);
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} else {
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if (switch_on == sst_hsw_is_module_enabled_rtd3(hsw, id))
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return 0;
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if (switch_on)
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sst_hsw_set_module_enabled_rtd3(hsw, id);
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else
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sst_hsw_set_module_disabled_rtd3(hsw, id);
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}
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return ret;
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}
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static int hsw_waves_param_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
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struct sst_hsw *hsw = pdata->hsw;
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/* return a matching line from param buffer */
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return sst_hsw_load_param_line(hsw, ucontrol->value.bytes.data);
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}
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static int hsw_waves_param_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
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struct sst_hsw *hsw = pdata->hsw;
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int ret;
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enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
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int param_id = ucontrol->value.bytes.data[0];
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int param_size = WAVES_PARAM_COUNT;
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/* clear param buffer and reset buffer index */
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if (param_id == 0xFF) {
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sst_hsw_reset_param_buf(hsw);
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return 0;
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}
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/* store params into buffer */
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ret = sst_hsw_store_param_line(hsw, ucontrol->value.bytes.data);
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if (ret < 0)
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return ret;
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if (sst_hsw_is_module_active(hsw, id))
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ret = sst_hsw_module_set_param(hsw, id, 0, param_id,
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param_size, ucontrol->value.bytes.data);
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return ret;
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}
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/* TLV used by both global and stream volumes */
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static const DECLARE_TLV_DB_SCALE(hsw_vol_tlv, -9000, 300, 1);
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/* System Pin has no volume control */
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static const struct snd_kcontrol_new hsw_volume_controls[] = {
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/* Global DSP volume */
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SOC_DOUBLE_EXT_TLV("Master Playback Volume", 0, 0, 8,
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ARRAY_SIZE(volume_map) - 1, 0,
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hsw_volume_get, hsw_volume_put, hsw_vol_tlv),
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/* Offload 0 volume */
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SOC_DOUBLE_EXT_TLV("Media0 Playback Volume", 1, 0, 8,
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ARRAY_SIZE(volume_map) - 1, 0,
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hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
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/* Offload 1 volume */
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SOC_DOUBLE_EXT_TLV("Media1 Playback Volume", 2, 0, 8,
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ARRAY_SIZE(volume_map) - 1, 0,
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hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
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/* Mic Capture volume */
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SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 4, 0, 8,
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ARRAY_SIZE(volume_map) - 1, 0,
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hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
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/* enable/disable module waves */
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SOC_SINGLE_BOOL_EXT("Waves Switch", 0,
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hsw_waves_switch_get, hsw_waves_switch_put),
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/* set parameters to module waves */
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SND_SOC_BYTES_EXT("Waves Set Param", WAVES_PARAM_COUNT,
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hsw_waves_param_get, hsw_waves_param_put),
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};
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/* Create DMA buffer page table for DSP */
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static int create_adsp_page_table(struct snd_pcm_substream *substream,
|
|
struct hsw_priv_data *pdata, struct snd_soc_pcm_runtime *rtd,
|
|
unsigned char *dma_area, size_t size, int pcm)
|
|
{
|
|
struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream);
|
|
int i, pages, stream = substream->stream;
|
|
|
|
pages = snd_sgbuf_aligned_pages(size);
|
|
|
|
dev_dbg(rtd->dev, "generating page table for %p size 0x%zx pages %d\n",
|
|
dma_area, size, pages);
|
|
|
|
for (i = 0; i < pages; i++) {
|
|
u32 idx = (((i << 2) + i)) >> 1;
|
|
u32 pfn = snd_sgbuf_get_addr(dmab, i * PAGE_SIZE) >> PAGE_SHIFT;
|
|
u32 *pg_table;
|
|
|
|
dev_dbg(rtd->dev, "pfn i %i idx %d pfn %x\n", i, idx, pfn);
|
|
|
|
pg_table = (u32 *)(pdata->dmab[pcm][stream].area + idx);
|
|
|
|
if (i & 1)
|
|
*pg_table |= (pfn << 4);
|
|
else
|
|
*pg_table |= pfn;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* this may get called several times by oss emulation */
|
|
static int hsw_pcm_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
|
|
struct hsw_pcm_data *pcm_data;
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
struct sst_module *module_data;
|
|
struct sst_dsp *dsp;
|
|
struct snd_dma_buffer *dmab;
|
|
enum sst_hsw_stream_type stream_type;
|
|
enum sst_hsw_stream_path_id path_id;
|
|
u32 rate, bits, map, pages, module_id;
|
|
u8 channels;
|
|
int ret, dai;
|
|
|
|
dai = mod_map[rtd->cpu_dai->id].dai_id;
|
|
pcm_data = &pdata->pcm[dai][substream->stream];
|
|
|
|
/* check if we are being called a subsequent time */
|
|
if (pcm_data->allocated) {
|
|
ret = sst_hsw_stream_reset(hsw, pcm_data->stream);
|
|
if (ret < 0)
|
|
dev_dbg(rtd->dev, "error: reset stream failed %d\n",
|
|
ret);
|
|
|
|
ret = sst_hsw_stream_free(hsw, pcm_data->stream);
|
|
if (ret < 0) {
|
|
dev_dbg(rtd->dev, "error: free stream failed %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
pcm_data->allocated = false;
|
|
|
|
pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id,
|
|
hsw_notify_pointer, pcm_data);
|
|
if (pcm_data->stream == NULL) {
|
|
dev_err(rtd->dev, "error: failed to create stream\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
/* stream direction */
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
path_id = SST_HSW_STREAM_PATH_SSP0_OUT;
|
|
else
|
|
path_id = SST_HSW_STREAM_PATH_SSP0_IN;
|
|
|
|
/* DSP stream type depends on DAI ID */
|
|
switch (rtd->cpu_dai->id) {
|
|
case 0:
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
stream_type = SST_HSW_STREAM_TYPE_SYSTEM;
|
|
module_id = SST_HSW_MODULE_PCM_SYSTEM;
|
|
}
|
|
else {
|
|
stream_type = SST_HSW_STREAM_TYPE_CAPTURE;
|
|
module_id = SST_HSW_MODULE_PCM_CAPTURE;
|
|
}
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
stream_type = SST_HSW_STREAM_TYPE_RENDER;
|
|
module_id = SST_HSW_MODULE_PCM;
|
|
break;
|
|
case 3:
|
|
/* path ID needs to be OUT for loopback */
|
|
stream_type = SST_HSW_STREAM_TYPE_LOOPBACK;
|
|
path_id = SST_HSW_STREAM_PATH_SSP0_OUT;
|
|
module_id = SST_HSW_MODULE_PCM_REFERENCE;
|
|
break;
|
|
default:
|
|
dev_err(rtd->dev, "error: invalid DAI ID %d\n",
|
|
rtd->cpu_dai->id);
|
|
return -EINVAL;
|
|
};
|
|
|
|
ret = sst_hsw_stream_format(hsw, pcm_data->stream,
|
|
path_id, stream_type, SST_HSW_STREAM_FORMAT_PCM_FORMAT);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "error: failed to set format %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
rate = params_rate(params);
|
|
ret = sst_hsw_stream_set_rate(hsw, pcm_data->stream, rate);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "error: could not set rate %d\n", rate);
|
|
return ret;
|
|
}
|
|
|
|
switch (params_format(params)) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
bits = SST_HSW_DEPTH_16BIT;
|
|
sst_hsw_stream_set_valid(hsw, pcm_data->stream, 16);
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
bits = SST_HSW_DEPTH_32BIT;
|
|
sst_hsw_stream_set_valid(hsw, pcm_data->stream, 24);
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S8:
|
|
bits = SST_HSW_DEPTH_8BIT;
|
|
sst_hsw_stream_set_valid(hsw, pcm_data->stream, 8);
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
|
bits = SST_HSW_DEPTH_32BIT;
|
|
sst_hsw_stream_set_valid(hsw, pcm_data->stream, 32);
|
|
break;
|
|
default:
|
|
dev_err(rtd->dev, "error: invalid format %d\n",
|
|
params_format(params));
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = sst_hsw_stream_set_bits(hsw, pcm_data->stream, bits);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "error: could not set bits %d\n", bits);
|
|
return ret;
|
|
}
|
|
|
|
channels = params_channels(params);
|
|
map = create_channel_map(SST_HSW_CHANNEL_CONFIG_STEREO);
|
|
sst_hsw_stream_set_map_config(hsw, pcm_data->stream,
|
|
map, SST_HSW_CHANNEL_CONFIG_STEREO);
|
|
|
|
ret = sst_hsw_stream_set_channels(hsw, pcm_data->stream, channels);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "error: could not set channels %d\n",
|
|
channels);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "error: could not allocate %d bytes for PCM %d\n",
|
|
params_buffer_bytes(params), ret);
|
|
return ret;
|
|
}
|
|
|
|
dmab = snd_pcm_get_dma_buf(substream);
|
|
|
|
ret = create_adsp_page_table(substream, pdata, rtd, runtime->dma_area,
|
|
runtime->dma_bytes, rtd->cpu_dai->id);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
sst_hsw_stream_set_style(hsw, pcm_data->stream,
|
|
SST_HSW_INTERLEAVING_PER_CHANNEL);
|
|
|
|
if (runtime->dma_bytes % PAGE_SIZE)
|
|
pages = (runtime->dma_bytes / PAGE_SIZE) + 1;
|
|
else
|
|
pages = runtime->dma_bytes / PAGE_SIZE;
|
|
|
|
ret = sst_hsw_stream_buffer(hsw, pcm_data->stream,
|
|
pdata->dmab[rtd->cpu_dai->id][substream->stream].addr,
|
|
pages, runtime->dma_bytes, 0,
|
|
snd_sgbuf_get_addr(dmab, 0) >> PAGE_SHIFT);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "error: failed to set DMA buffer %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
dsp = sst_hsw_get_dsp(hsw);
|
|
|
|
module_data = sst_module_get_from_id(dsp, module_id);
|
|
if (module_data == NULL) {
|
|
dev_err(rtd->dev, "error: failed to get module config\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
sst_hsw_stream_set_module_info(hsw, pcm_data->stream,
|
|
pcm_data->runtime);
|
|
|
|
ret = sst_hsw_stream_commit(hsw, pcm_data->stream);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "error: failed to commit stream %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (!pcm_data->allocated) {
|
|
/* Set previous saved volume */
|
|
sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0,
|
|
0, pcm_data->volume[0]);
|
|
sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0,
|
|
1, pcm_data->volume[1]);
|
|
pcm_data->allocated = true;
|
|
}
|
|
|
|
ret = sst_hsw_stream_pause(hsw, pcm_data->stream, 1);
|
|
if (ret < 0)
|
|
dev_err(rtd->dev, "error: failed to pause %d\n", ret);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hsw_pcm_hw_free(struct snd_pcm_substream *substream)
|
|
{
|
|
snd_pcm_lib_free_pages(substream);
|
|
return 0;
|
|
}
|
|
|
|
static int hsw_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
|
|
struct hsw_pcm_data *pcm_data;
|
|
struct sst_hsw_stream *sst_stream;
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
snd_pcm_uframes_t pos;
|
|
int dai;
|
|
|
|
dai = mod_map[rtd->cpu_dai->id].dai_id;
|
|
pcm_data = &pdata->pcm[dai][substream->stream];
|
|
sst_stream = pcm_data->stream;
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
|
sst_hsw_stream_set_silence_start(hsw, sst_stream, false);
|
|
sst_hsw_stream_resume(hsw, pcm_data->stream, 0);
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
|
sst_hsw_stream_set_silence_start(hsw, sst_stream, false);
|
|
sst_hsw_stream_pause(hsw, pcm_data->stream, 0);
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_DRAIN:
|
|
pos = runtime->control->appl_ptr % runtime->buffer_size;
|
|
sst_hsw_stream_set_old_position(hsw, pcm_data->stream, pos);
|
|
sst_hsw_stream_set_silence_start(hsw, sst_stream, true);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data)
|
|
{
|
|
struct hsw_pcm_data *pcm_data = data;
|
|
struct snd_pcm_substream *substream = pcm_data->substream;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
u32 pos;
|
|
snd_pcm_uframes_t position = bytes_to_frames(runtime,
|
|
sst_hsw_get_dsp_position(hsw, pcm_data->stream));
|
|
unsigned char *dma_area = runtime->dma_area;
|
|
snd_pcm_uframes_t dma_frames =
|
|
bytes_to_frames(runtime, runtime->dma_bytes);
|
|
snd_pcm_uframes_t old_position;
|
|
ssize_t samples;
|
|
|
|
pos = frames_to_bytes(runtime,
|
|
(runtime->control->appl_ptr % runtime->buffer_size));
|
|
|
|
dev_vdbg(rtd->dev, "PCM: App pointer %d bytes\n", pos);
|
|
|
|
/* SST fw don't know where to stop dma
|
|
* So, SST driver need to clean the data which has been consumed
|
|
*/
|
|
if (dma_area == NULL || dma_frames <= 0
|
|
|| (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
|
|
|| !sst_hsw_stream_get_silence_start(hsw, stream)) {
|
|
snd_pcm_period_elapsed(substream);
|
|
return pos;
|
|
}
|
|
|
|
old_position = sst_hsw_stream_get_old_position(hsw, stream);
|
|
if (position > old_position) {
|
|
if (position < dma_frames) {
|
|
samples = SST_SAMPLES(runtime, position - old_position);
|
|
snd_pcm_format_set_silence(runtime->format,
|
|
SST_OLD_POSITION(dma_area,
|
|
runtime, old_position),
|
|
samples);
|
|
} else
|
|
dev_err(rtd->dev, "PCM: position is wrong\n");
|
|
} else {
|
|
if (old_position < dma_frames) {
|
|
samples = SST_SAMPLES(runtime,
|
|
dma_frames - old_position);
|
|
snd_pcm_format_set_silence(runtime->format,
|
|
SST_OLD_POSITION(dma_area,
|
|
runtime, old_position),
|
|
samples);
|
|
} else
|
|
dev_err(rtd->dev, "PCM: dma_bytes is wrong\n");
|
|
if (position < dma_frames) {
|
|
samples = SST_SAMPLES(runtime, position);
|
|
snd_pcm_format_set_silence(runtime->format,
|
|
dma_area, samples);
|
|
} else
|
|
dev_err(rtd->dev, "PCM: position is wrong\n");
|
|
}
|
|
sst_hsw_stream_set_old_position(hsw, stream, position);
|
|
|
|
/* let alsa know we have play a period */
|
|
snd_pcm_period_elapsed(substream);
|
|
return pos;
|
|
}
|
|
|
|
static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
|
|
struct hsw_pcm_data *pcm_data;
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
snd_pcm_uframes_t offset;
|
|
uint64_t ppos;
|
|
u32 position;
|
|
int dai;
|
|
|
|
dai = mod_map[rtd->cpu_dai->id].dai_id;
|
|
pcm_data = &pdata->pcm[dai][substream->stream];
|
|
position = sst_hsw_get_dsp_position(hsw, pcm_data->stream);
|
|
|
|
offset = bytes_to_frames(runtime, position);
|
|
ppos = sst_hsw_get_dsp_presentation_position(hsw, pcm_data->stream);
|
|
|
|
dev_vdbg(rtd->dev, "PCM: DMA pointer %du bytes, pos %llu\n",
|
|
position, ppos);
|
|
return offset;
|
|
}
|
|
|
|
static int hsw_pcm_open(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
|
|
struct hsw_pcm_data *pcm_data;
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
int dai;
|
|
|
|
dai = mod_map[rtd->cpu_dai->id].dai_id;
|
|
pcm_data = &pdata->pcm[dai][substream->stream];
|
|
|
|
mutex_lock(&pcm_data->mutex);
|
|
pm_runtime_get_sync(pdata->dev);
|
|
|
|
pcm_data->substream = substream;
|
|
|
|
snd_soc_set_runtime_hwparams(substream, &hsw_pcm_hardware);
|
|
|
|
pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id,
|
|
hsw_notify_pointer, pcm_data);
|
|
if (pcm_data->stream == NULL) {
|
|
dev_err(rtd->dev, "error: failed to create stream\n");
|
|
pm_runtime_mark_last_busy(pdata->dev);
|
|
pm_runtime_put_autosuspend(pdata->dev);
|
|
mutex_unlock(&pcm_data->mutex);
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_unlock(&pcm_data->mutex);
|
|
return 0;
|
|
}
|
|
|
|
static int hsw_pcm_close(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
|
|
struct hsw_pcm_data *pcm_data;
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
int ret, dai;
|
|
|
|
dai = mod_map[rtd->cpu_dai->id].dai_id;
|
|
pcm_data = &pdata->pcm[dai][substream->stream];
|
|
|
|
mutex_lock(&pcm_data->mutex);
|
|
ret = sst_hsw_stream_reset(hsw, pcm_data->stream);
|
|
if (ret < 0) {
|
|
dev_dbg(rtd->dev, "error: reset stream failed %d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
ret = sst_hsw_stream_free(hsw, pcm_data->stream);
|
|
if (ret < 0) {
|
|
dev_dbg(rtd->dev, "error: free stream failed %d\n", ret);
|
|
goto out;
|
|
}
|
|
pcm_data->allocated = 0;
|
|
pcm_data->stream = NULL;
|
|
|
|
out:
|
|
pm_runtime_mark_last_busy(pdata->dev);
|
|
pm_runtime_put_autosuspend(pdata->dev);
|
|
mutex_unlock(&pcm_data->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static const struct snd_pcm_ops hsw_pcm_ops = {
|
|
.open = hsw_pcm_open,
|
|
.close = hsw_pcm_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = hsw_pcm_hw_params,
|
|
.hw_free = hsw_pcm_hw_free,
|
|
.trigger = hsw_pcm_trigger,
|
|
.pointer = hsw_pcm_pointer,
|
|
.page = snd_pcm_sgbuf_ops_page,
|
|
};
|
|
|
|
static int hsw_pcm_create_modules(struct hsw_priv_data *pdata)
|
|
{
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
struct hsw_pcm_data *pcm_data;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
|
|
pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
|
|
|
|
/* create new runtime module, use same offset if recreated */
|
|
pcm_data->runtime = sst_hsw_runtime_module_create(hsw,
|
|
mod_map[i].mod_id, pcm_data->persistent_offset);
|
|
if (pcm_data->runtime == NULL)
|
|
goto err;
|
|
pcm_data->persistent_offset =
|
|
pcm_data->runtime->persistent_offset;
|
|
}
|
|
|
|
/* create runtime blocks for module waves */
|
|
if (sst_hsw_is_module_loaded(hsw, SST_HSW_MODULE_WAVES)) {
|
|
pdata->runtime_waves = sst_hsw_runtime_module_create(hsw,
|
|
SST_HSW_MODULE_WAVES, 0);
|
|
if (pdata->runtime_waves == NULL)
|
|
goto err;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err:
|
|
for (--i; i >= 0; i--) {
|
|
pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
|
|
sst_hsw_runtime_module_free(pcm_data->runtime);
|
|
}
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
static void hsw_pcm_free_modules(struct hsw_priv_data *pdata)
|
|
{
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
struct hsw_pcm_data *pcm_data;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
|
|
pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
|
|
if (pcm_data->runtime){
|
|
sst_hsw_runtime_module_free(pcm_data->runtime);
|
|
pcm_data->runtime = NULL;
|
|
}
|
|
}
|
|
if (sst_hsw_is_module_loaded(hsw, SST_HSW_MODULE_WAVES) &&
|
|
pdata->runtime_waves) {
|
|
sst_hsw_runtime_module_free(pdata->runtime_waves);
|
|
pdata->runtime_waves = NULL;
|
|
}
|
|
}
|
|
|
|
static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_pcm *pcm = rtd->pcm;
|
|
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
|
|
struct sst_pdata *pdata = dev_get_platdata(component->dev);
|
|
struct hsw_priv_data *priv_data = dev_get_drvdata(component->dev);
|
|
struct device *dev = pdata->dma_dev;
|
|
int ret = 0;
|
|
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream ||
|
|
pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
|
|
ret = snd_pcm_lib_preallocate_pages_for_all(pcm,
|
|
SNDRV_DMA_TYPE_DEV_SG,
|
|
dev,
|
|
hsw_pcm_hardware.buffer_bytes_max,
|
|
hsw_pcm_hardware.buffer_bytes_max);
|
|
if (ret) {
|
|
dev_err(rtd->dev, "dma buffer allocation failed %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
}
|
|
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream)
|
|
priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_PLAYBACK].hsw_pcm = pcm;
|
|
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream)
|
|
priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_CAPTURE].hsw_pcm = pcm;
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define HSW_FORMATS \
|
|
(SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
|
|
|
|
static struct snd_soc_dai_driver hsw_dais[] = {
|
|
{
|
|
.name = "System Pin",
|
|
.id = HSW_PCM_DAI_ID_SYSTEM,
|
|
.playback = {
|
|
.stream_name = "System Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Analog Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 4,
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE,
|
|
},
|
|
},
|
|
{
|
|
/* PCM */
|
|
.name = "Offload0 Pin",
|
|
.id = HSW_PCM_DAI_ID_OFFLOAD0,
|
|
.playback = {
|
|
.stream_name = "Offload0 Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_192000,
|
|
.formats = HSW_FORMATS,
|
|
},
|
|
},
|
|
{
|
|
/* PCM */
|
|
.name = "Offload1 Pin",
|
|
.id = HSW_PCM_DAI_ID_OFFLOAD1,
|
|
.playback = {
|
|
.stream_name = "Offload1 Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_192000,
|
|
.formats = HSW_FORMATS,
|
|
},
|
|
},
|
|
{
|
|
.name = "Loopback Pin",
|
|
.id = HSW_PCM_DAI_ID_LOOPBACK,
|
|
.capture = {
|
|
.stream_name = "Loopback Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE,
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget widgets[] = {
|
|
|
|
/* Backend DAIs */
|
|
SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0),
|
|
|
|
/* Global Playback Mixer */
|
|
SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route graph[] = {
|
|
|
|
/* Playback Mixer */
|
|
{"Playback VMixer", NULL, "System Playback"},
|
|
{"Playback VMixer", NULL, "Offload0 Playback"},
|
|
{"Playback VMixer", NULL, "Offload1 Playback"},
|
|
|
|
{"SSP0 CODEC OUT", NULL, "Playback VMixer"},
|
|
|
|
{"Analog Capture", NULL, "SSP0 CODEC IN"},
|
|
};
|
|
|
|
static int hsw_pcm_probe(struct snd_soc_component *component)
|
|
{
|
|
struct hsw_priv_data *priv_data = snd_soc_component_get_drvdata(component);
|
|
struct sst_pdata *pdata = dev_get_platdata(component->dev);
|
|
struct device *dma_dev, *dev;
|
|
int i, ret = 0;
|
|
|
|
if (!pdata)
|
|
return -ENODEV;
|
|
|
|
dev = component->dev;
|
|
dma_dev = pdata->dma_dev;
|
|
|
|
priv_data->hsw = pdata->dsp;
|
|
priv_data->dev = dev;
|
|
priv_data->pm_state = HSW_PM_STATE_D0;
|
|
priv_data->soc_card = component->card;
|
|
|
|
/* allocate DSP buffer page tables */
|
|
for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) {
|
|
|
|
/* playback */
|
|
if (hsw_dais[i].playback.channels_min) {
|
|
mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_PLAYBACK].mutex);
|
|
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev,
|
|
PAGE_SIZE, &priv_data->dmab[i][0]);
|
|
if (ret < 0)
|
|
goto err;
|
|
}
|
|
|
|
/* capture */
|
|
if (hsw_dais[i].capture.channels_min) {
|
|
mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_CAPTURE].mutex);
|
|
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev,
|
|
PAGE_SIZE, &priv_data->dmab[i][1]);
|
|
if (ret < 0)
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
/* allocate runtime modules */
|
|
ret = hsw_pcm_create_modules(priv_data);
|
|
if (ret < 0)
|
|
goto err;
|
|
|
|
/* enable runtime PM with auto suspend */
|
|
pm_runtime_set_autosuspend_delay(dev, SST_RUNTIME_SUSPEND_DELAY);
|
|
pm_runtime_use_autosuspend(dev);
|
|
pm_runtime_enable(dev);
|
|
pm_runtime_idle(dev);
|
|
|
|
return 0;
|
|
|
|
err:
|
|
for (--i; i >= 0; i--) {
|
|
if (hsw_dais[i].playback.channels_min)
|
|
snd_dma_free_pages(&priv_data->dmab[i][0]);
|
|
if (hsw_dais[i].capture.channels_min)
|
|
snd_dma_free_pages(&priv_data->dmab[i][1]);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void hsw_pcm_remove(struct snd_soc_component *component)
|
|
{
|
|
struct hsw_priv_data *priv_data =
|
|
snd_soc_component_get_drvdata(component);
|
|
int i;
|
|
|
|
pm_runtime_disable(component->dev);
|
|
hsw_pcm_free_modules(priv_data);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) {
|
|
if (hsw_dais[i].playback.channels_min)
|
|
snd_dma_free_pages(&priv_data->dmab[i][0]);
|
|
if (hsw_dais[i].capture.channels_min)
|
|
snd_dma_free_pages(&priv_data->dmab[i][1]);
|
|
}
|
|
}
|
|
|
|
static const struct snd_soc_component_driver hsw_dai_component = {
|
|
.name = DRV_NAME,
|
|
.probe = hsw_pcm_probe,
|
|
.remove = hsw_pcm_remove,
|
|
.ops = &hsw_pcm_ops,
|
|
.pcm_new = hsw_pcm_new,
|
|
.controls = hsw_volume_controls,
|
|
.num_controls = ARRAY_SIZE(hsw_volume_controls),
|
|
.dapm_widgets = widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(widgets),
|
|
.dapm_routes = graph,
|
|
.num_dapm_routes = ARRAY_SIZE(graph),
|
|
};
|
|
|
|
static int hsw_pcm_dev_probe(struct platform_device *pdev)
|
|
{
|
|
struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev);
|
|
struct hsw_priv_data *priv_data;
|
|
int ret;
|
|
|
|
if (!sst_pdata)
|
|
return -EINVAL;
|
|
|
|
priv_data = devm_kzalloc(&pdev->dev, sizeof(*priv_data), GFP_KERNEL);
|
|
if (!priv_data)
|
|
return -ENOMEM;
|
|
|
|
ret = sst_hsw_dsp_init(&pdev->dev, sst_pdata);
|
|
if (ret < 0)
|
|
return -ENODEV;
|
|
|
|
priv_data->hsw = sst_pdata->dsp;
|
|
platform_set_drvdata(pdev, priv_data);
|
|
|
|
ret = devm_snd_soc_register_component(&pdev->dev, &hsw_dai_component,
|
|
hsw_dais, ARRAY_SIZE(hsw_dais));
|
|
if (ret < 0)
|
|
goto err_plat;
|
|
|
|
return 0;
|
|
|
|
err_plat:
|
|
sst_hsw_dsp_free(&pdev->dev, sst_pdata);
|
|
return 0;
|
|
}
|
|
|
|
static int hsw_pcm_dev_remove(struct platform_device *pdev)
|
|
{
|
|
struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev);
|
|
|
|
sst_hsw_dsp_free(&pdev->dev, sst_pdata);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static int hsw_pcm_runtime_idle(struct device *dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int hsw_pcm_suspend(struct device *dev)
|
|
{
|
|
struct hsw_priv_data *pdata = dev_get_drvdata(dev);
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
|
|
/* enter D3 state and stall */
|
|
sst_hsw_dsp_runtime_suspend(hsw);
|
|
/* free all runtime modules */
|
|
hsw_pcm_free_modules(pdata);
|
|
/* put the DSP to sleep, fw unloaded after runtime modules freed */
|
|
sst_hsw_dsp_runtime_sleep(hsw);
|
|
return 0;
|
|
}
|
|
|
|
static int hsw_pcm_runtime_suspend(struct device *dev)
|
|
{
|
|
struct hsw_priv_data *pdata = dev_get_drvdata(dev);
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
int ret;
|
|
|
|
if (pdata->pm_state >= HSW_PM_STATE_RTD3)
|
|
return 0;
|
|
|
|
/* fw modules will be unloaded on RTD3, set flag to track */
|
|
if (sst_hsw_is_module_active(hsw, SST_HSW_MODULE_WAVES)) {
|
|
ret = sst_hsw_module_disable(hsw, SST_HSW_MODULE_WAVES, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
sst_hsw_set_module_enabled_rtd3(hsw, SST_HSW_MODULE_WAVES);
|
|
}
|
|
hsw_pcm_suspend(dev);
|
|
pdata->pm_state = HSW_PM_STATE_RTD3;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hsw_pcm_runtime_resume(struct device *dev)
|
|
{
|
|
struct hsw_priv_data *pdata = dev_get_drvdata(dev);
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
int ret;
|
|
|
|
if (pdata->pm_state != HSW_PM_STATE_RTD3)
|
|
return 0;
|
|
|
|
ret = sst_hsw_dsp_load(hsw);
|
|
if (ret < 0) {
|
|
dev_err(dev, "failed to reload %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = hsw_pcm_create_modules(pdata);
|
|
if (ret < 0) {
|
|
dev_err(dev, "failed to create modules %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = sst_hsw_dsp_runtime_resume(hsw);
|
|
if (ret < 0)
|
|
return ret;
|
|
else if (ret == 1) /* no action required */
|
|
return 0;
|
|
|
|
/* check flag when resume */
|
|
if (sst_hsw_is_module_enabled_rtd3(hsw, SST_HSW_MODULE_WAVES)) {
|
|
ret = sst_hsw_module_enable(hsw, SST_HSW_MODULE_WAVES, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
/* put parameters from buffer to dsp */
|
|
ret = sst_hsw_launch_param_buf(hsw);
|
|
if (ret < 0)
|
|
return ret;
|
|
/* unset flag */
|
|
sst_hsw_set_module_disabled_rtd3(hsw, SST_HSW_MODULE_WAVES);
|
|
}
|
|
|
|
pdata->pm_state = HSW_PM_STATE_D0;
|
|
return ret;
|
|
}
|
|
|
|
#else
|
|
#define hsw_pcm_runtime_idle NULL
|
|
#define hsw_pcm_runtime_suspend NULL
|
|
#define hsw_pcm_runtime_resume NULL
|
|
#endif
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
static void hsw_pcm_complete(struct device *dev)
|
|
{
|
|
struct hsw_priv_data *pdata = dev_get_drvdata(dev);
|
|
struct sst_hsw *hsw = pdata->hsw;
|
|
struct hsw_pcm_data *pcm_data;
|
|
int i, err;
|
|
|
|
if (pdata->pm_state != HSW_PM_STATE_D3)
|
|
return;
|
|
|
|
err = sst_hsw_dsp_load(hsw);
|
|
if (err < 0) {
|
|
dev_err(dev, "failed to reload %d\n", err);
|
|
return;
|
|
}
|
|
|
|
err = hsw_pcm_create_modules(pdata);
|
|
if (err < 0) {
|
|
dev_err(dev, "failed to create modules %d\n", err);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
|
|
pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
|
|
|
|
if (!pcm_data->substream)
|
|
continue;
|
|
|
|
err = sst_module_runtime_restore(pcm_data->runtime,
|
|
&pcm_data->context);
|
|
if (err < 0)
|
|
dev_err(dev, "failed to restore context for PCM %d\n", i);
|
|
}
|
|
|
|
snd_soc_resume(pdata->soc_card->dev);
|
|
|
|
err = sst_hsw_dsp_runtime_resume(hsw);
|
|
if (err < 0)
|
|
return;
|
|
else if (err == 1) /* no action required */
|
|
return;
|
|
|
|
pdata->pm_state = HSW_PM_STATE_D0;
|
|
return;
|
|
}
|
|
|
|
static int hsw_pcm_prepare(struct device *dev)
|
|
{
|
|
struct hsw_priv_data *pdata = dev_get_drvdata(dev);
|
|
struct hsw_pcm_data *pcm_data;
|
|
int i, err;
|
|
|
|
if (pdata->pm_state == HSW_PM_STATE_D3)
|
|
return 0;
|
|
else if (pdata->pm_state == HSW_PM_STATE_D0) {
|
|
/* suspend all active streams */
|
|
for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
|
|
pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
|
|
|
|
if (!pcm_data->substream)
|
|
continue;
|
|
dev_dbg(dev, "suspending pcm %d\n", i);
|
|
snd_pcm_suspend_all(pcm_data->hsw_pcm);
|
|
|
|
/* We need to wait until the DSP FW stops the streams */
|
|
msleep(2);
|
|
}
|
|
|
|
/* preserve persistent memory */
|
|
for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
|
|
pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
|
|
|
|
if (!pcm_data->substream)
|
|
continue;
|
|
|
|
dev_dbg(dev, "saving context pcm %d\n", i);
|
|
err = sst_module_runtime_save(pcm_data->runtime,
|
|
&pcm_data->context);
|
|
if (err < 0)
|
|
dev_err(dev, "failed to save context for PCM %d\n", i);
|
|
}
|
|
hsw_pcm_suspend(dev);
|
|
}
|
|
|
|
snd_soc_suspend(pdata->soc_card->dev);
|
|
snd_soc_poweroff(pdata->soc_card->dev);
|
|
|
|
pdata->pm_state = HSW_PM_STATE_D3;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
#define hsw_pcm_prepare NULL
|
|
#define hsw_pcm_complete NULL
|
|
#endif
|
|
|
|
static const struct dev_pm_ops hsw_pcm_pm = {
|
|
.runtime_idle = hsw_pcm_runtime_idle,
|
|
.runtime_suspend = hsw_pcm_runtime_suspend,
|
|
.runtime_resume = hsw_pcm_runtime_resume,
|
|
.prepare = hsw_pcm_prepare,
|
|
.complete = hsw_pcm_complete,
|
|
};
|
|
|
|
static struct platform_driver hsw_pcm_driver = {
|
|
.driver = {
|
|
.name = "haswell-pcm-audio",
|
|
.pm = &hsw_pcm_pm,
|
|
},
|
|
|
|
.probe = hsw_pcm_dev_probe,
|
|
.remove = hsw_pcm_dev_remove,
|
|
};
|
|
module_platform_driver(hsw_pcm_driver);
|
|
|
|
MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
|
|
MODULE_DESCRIPTION("Haswell/Lynxpoint + Broadwell/Wildcatpoint PCM");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_ALIAS("platform:haswell-pcm-audio");
|