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Diffstat (limited to 'sound/soc/intel/haswell/sst-haswell-pcm.c')
-rw-r--r--sound/soc/intel/haswell/sst-haswell-pcm.c1369
1 files changed, 0 insertions, 1369 deletions
diff --git a/sound/soc/intel/haswell/sst-haswell-pcm.c b/sound/soc/intel/haswell/sst-haswell-pcm.c
deleted file mode 100644
index b8d86c74c53d..000000000000
--- a/sound/soc/intel/haswell/sst-haswell-pcm.c
+++ /dev/null
@@ -1,1369 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Intel SST Haswell/Broadwell PCM Support
- *
- * Copyright (C) 2013, Intel Corporation. All rights reserved.
- */
-
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/pm_runtime.h>
-#include <linux/pgtable.h>
-#include <asm/page.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/dmaengine_pcm.h>
-#include <sound/soc.h>
-#include <sound/tlv.h>
-#include <sound/compress_driver.h>
-
-#include "../haswell/sst-haswell-ipc.h"
-#include "../common/sst-dsp-priv.h"
-#include "../common/sst-dsp.h"
-
-#define HSW_PCM_COUNT 6
-#define HSW_VOLUME_MAX 0x7FFFFFFF /* 0dB */
-
-#define SST_OLD_POSITION(d, r, o) ((d) + \
- frames_to_bytes(r, o))
-#define SST_SAMPLES(r, x) (bytes_to_samples(r, \
- frames_to_bytes(r, (x))))
-
-/* simple volume table */
-static const u32 volume_map[] = {
- HSW_VOLUME_MAX >> 30,
- HSW_VOLUME_MAX >> 29,
- HSW_VOLUME_MAX >> 28,
- HSW_VOLUME_MAX >> 27,
- HSW_VOLUME_MAX >> 26,
- HSW_VOLUME_MAX >> 25,
- HSW_VOLUME_MAX >> 24,
- HSW_VOLUME_MAX >> 23,
- HSW_VOLUME_MAX >> 22,
- HSW_VOLUME_MAX >> 21,
- HSW_VOLUME_MAX >> 20,
- HSW_VOLUME_MAX >> 19,
- HSW_VOLUME_MAX >> 18,
- HSW_VOLUME_MAX >> 17,
- HSW_VOLUME_MAX >> 16,
- HSW_VOLUME_MAX >> 15,
- HSW_VOLUME_MAX >> 14,
- HSW_VOLUME_MAX >> 13,
- HSW_VOLUME_MAX >> 12,
- HSW_VOLUME_MAX >> 11,
- HSW_VOLUME_MAX >> 10,
- HSW_VOLUME_MAX >> 9,
- HSW_VOLUME_MAX >> 8,
- HSW_VOLUME_MAX >> 7,
- HSW_VOLUME_MAX >> 6,
- HSW_VOLUME_MAX >> 5,
- HSW_VOLUME_MAX >> 4,
- HSW_VOLUME_MAX >> 3,
- HSW_VOLUME_MAX >> 2,
- HSW_VOLUME_MAX >> 1,
- HSW_VOLUME_MAX >> 0,
-};
-
-#define HSW_PCM_PERIODS_MAX 64
-#define HSW_PCM_PERIODS_MIN 2
-
-#define HSW_PCM_DAI_ID_SYSTEM 0
-#define HSW_PCM_DAI_ID_OFFLOAD0 1
-#define HSW_PCM_DAI_ID_OFFLOAD1 2
-#define HSW_PCM_DAI_ID_LOOPBACK 3
-
-
-static const struct snd_pcm_hardware hsw_pcm_hardware = {
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_RESUME |
- SNDRV_PCM_INFO_NO_PERIOD_WAKEUP |
- SNDRV_PCM_INFO_DRAIN_TRIGGER,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
- SNDRV_PCM_FMTBIT_S32_LE,
- .period_bytes_min = PAGE_SIZE,
- .period_bytes_max = (HSW_PCM_PERIODS_MAX / HSW_PCM_PERIODS_MIN) * PAGE_SIZE,
- .periods_min = HSW_PCM_PERIODS_MIN,
- .periods_max = HSW_PCM_PERIODS_MAX,
- .buffer_bytes_max = HSW_PCM_PERIODS_MAX * PAGE_SIZE,
-};
-
-struct hsw_pcm_module_map {
- int dai_id;
- int stream;
- enum sst_hsw_module_id mod_id;
-};
-
-/* private data for each PCM DSP stream */
-struct hsw_pcm_data {
- int dai_id;
- struct sst_hsw_stream *stream;
- struct sst_module_runtime *runtime;
- struct sst_module_runtime_context context;
- struct snd_pcm *hsw_pcm;
- u32 volume[2];
- struct snd_pcm_substream *substream;
- struct snd_compr_stream *cstream;
- unsigned int wpos;
- struct mutex mutex;
- bool allocated;
- int persistent_offset;
-};
-
-enum hsw_pm_state {
- HSW_PM_STATE_D0 = 0,
- HSW_PM_STATE_RTD3 = 1,
- HSW_PM_STATE_D3 = 2,
-};
-
-/* private data for the driver */
-struct hsw_priv_data {
- /* runtime DSP */
- struct sst_hsw *hsw;
- struct device *dev;
- enum hsw_pm_state pm_state;
- struct snd_soc_card *soc_card;
- struct sst_module_runtime *runtime_waves; /* sound effect module */
-
- /* page tables */
- struct snd_dma_buffer dmab[HSW_PCM_COUNT][2];
-
- /* DAI data */
- struct hsw_pcm_data pcm[HSW_PCM_COUNT][2];
-};
-
-
-/* static mappings between PCMs and modules - may be dynamic in future */
-static struct hsw_pcm_module_map mod_map[] = {
- {HSW_PCM_DAI_ID_SYSTEM, 0, SST_HSW_MODULE_PCM_SYSTEM},
- {HSW_PCM_DAI_ID_OFFLOAD0, 0, SST_HSW_MODULE_PCM},
- {HSW_PCM_DAI_ID_OFFLOAD1, 0, SST_HSW_MODULE_PCM},
- {HSW_PCM_DAI_ID_LOOPBACK, 1, SST_HSW_MODULE_PCM_REFERENCE},
- {HSW_PCM_DAI_ID_SYSTEM, 1, SST_HSW_MODULE_PCM_CAPTURE},
-};
-
-static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data);
-
-static inline u32 hsw_mixer_to_ipc(unsigned int value)
-{
- if (value >= ARRAY_SIZE(volume_map))
- return volume_map[0];
- else
- return volume_map[value];
-}
-
-static inline unsigned int hsw_ipc_to_mixer(u32 value)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(volume_map); i++) {
- if (volume_map[i] >= value)
- return i;
- }
-
- return i - 1;
-}
-
-static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct hsw_priv_data *pdata =
- snd_soc_component_get_drvdata(component);
- struct hsw_pcm_data *pcm_data;
- struct sst_hsw *hsw = pdata->hsw;
- u32 volume;
- int dai, stream;
-
- dai = mod_map[mc->reg].dai_id;
- stream = mod_map[mc->reg].stream;
- pcm_data = &pdata->pcm[dai][stream];
-
- mutex_lock(&pcm_data->mutex);
- pm_runtime_get_sync(pdata->dev);
-
- if (!pcm_data->stream) {
- pcm_data->volume[0] =
- hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
- pcm_data->volume[1] =
- hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
- pm_runtime_mark_last_busy(pdata->dev);
- pm_runtime_put_autosuspend(pdata->dev);
- mutex_unlock(&pcm_data->mutex);
- return 0;
- }
-
- if (ucontrol->value.integer.value[0] ==
- ucontrol->value.integer.value[1]) {
- volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
- /* apply volume value to all channels */
- sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, SST_HSW_CHANNELS_ALL, volume);
- } else {
- volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
- sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume);
- volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
- sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume);
- }
-
- pm_runtime_mark_last_busy(pdata->dev);
- pm_runtime_put_autosuspend(pdata->dev);
- mutex_unlock(&pcm_data->mutex);
- return 0;
-}
-
-static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct hsw_priv_data *pdata =
- snd_soc_component_get_drvdata(component);
- struct hsw_pcm_data *pcm_data;
- struct sst_hsw *hsw = pdata->hsw;
- u32 volume;
- int dai, stream;
-
- dai = mod_map[mc->reg].dai_id;
- stream = mod_map[mc->reg].stream;
- pcm_data = &pdata->pcm[dai][stream];
-
- mutex_lock(&pcm_data->mutex);
- pm_runtime_get_sync(pdata->dev);
-
- if (!pcm_data->stream) {
- ucontrol->value.integer.value[0] =
- hsw_ipc_to_mixer(pcm_data->volume[0]);
- ucontrol->value.integer.value[1] =
- hsw_ipc_to_mixer(pcm_data->volume[1]);
- pm_runtime_mark_last_busy(pdata->dev);
- pm_runtime_put_autosuspend(pdata->dev);
- mutex_unlock(&pcm_data->mutex);
- return 0;
- }
-
- sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 0, &volume);
- ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume);
- sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 1, &volume);
- ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume);
-
- pm_runtime_mark_last_busy(pdata->dev);
- pm_runtime_put_autosuspend(pdata->dev);
- mutex_unlock(&pcm_data->mutex);
-
- return 0;
-}
-
-static int hsw_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
- struct sst_hsw *hsw = pdata->hsw;
- u32 volume;
-
- pm_runtime_get_sync(pdata->dev);
-
- if (ucontrol->value.integer.value[0] ==
- ucontrol->value.integer.value[1]) {
-
- volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
- sst_hsw_mixer_set_volume(hsw, 0, SST_HSW_CHANNELS_ALL, volume);
-
- } else {
- volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
- sst_hsw_mixer_set_volume(hsw, 0, 0, volume);
-
- volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
- sst_hsw_mixer_set_volume(hsw, 0, 1, volume);
- }
-
- pm_runtime_mark_last_busy(pdata->dev);
- pm_runtime_put_autosuspend(pdata->dev);
- return 0;
-}
-
-static int hsw_volume_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
- struct sst_hsw *hsw = pdata->hsw;
- unsigned int volume = 0;
-
- pm_runtime_get_sync(pdata->dev);
- sst_hsw_mixer_get_volume(hsw, 0, 0, &volume);
- ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume);
-
- sst_hsw_mixer_get_volume(hsw, 0, 1, &volume);
- ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume);
-
- pm_runtime_mark_last_busy(pdata->dev);
- pm_runtime_put_autosuspend(pdata->dev);
- return 0;
-}
-
-static int hsw_waves_switch_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
- struct sst_hsw *hsw = pdata->hsw;
- enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
-
- ucontrol->value.integer.value[0] =
- (sst_hsw_is_module_active(hsw, id) ||
- sst_hsw_is_module_enabled_rtd3(hsw, id));
- return 0;
-}
-
-static int hsw_waves_switch_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
- struct sst_hsw *hsw = pdata->hsw;
- int ret = 0;
- enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
- bool switch_on = (bool)ucontrol->value.integer.value[0];
-
- /* if module is in RAM on the DSP, apply user settings to module through
- * ipc. If module is not in RAM on the DSP, store user setting for
- * track */
- if (sst_hsw_is_module_loaded(hsw, id)) {
- if (switch_on == sst_hsw_is_module_active(hsw, id))
- return 0;
-
- if (switch_on)
- ret = sst_hsw_module_enable(hsw, id, 0);
- else
- ret = sst_hsw_module_disable(hsw, id, 0);
- } else {
- if (switch_on == sst_hsw_is_module_enabled_rtd3(hsw, id))
- return 0;
-
- if (switch_on)
- sst_hsw_set_module_enabled_rtd3(hsw, id);
- else
- sst_hsw_set_module_disabled_rtd3(hsw, id);
- }
-
- return ret;
-}
-
-static int hsw_waves_param_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
- struct sst_hsw *hsw = pdata->hsw;
-
- /* return a matching line from param buffer */
- return sst_hsw_load_param_line(hsw, ucontrol->value.bytes.data);
-}
-
-static int hsw_waves_param_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
- struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
- struct sst_hsw *hsw = pdata->hsw;
- int ret;
- enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
- int param_id = ucontrol->value.bytes.data[0];
- int param_size = WAVES_PARAM_COUNT;
-
- /* clear param buffer and reset buffer index */
- if (param_id == 0xFF) {
- sst_hsw_reset_param_buf(hsw);
- return 0;
- }
-
- /* store params into buffer */
- ret = sst_hsw_store_param_line(hsw, ucontrol->value.bytes.data);
- if (ret < 0)
- return ret;
-
- if (sst_hsw_is_module_active(hsw, id))
- ret = sst_hsw_module_set_param(hsw, id, 0, param_id,
- param_size, ucontrol->value.bytes.data);
- return ret;
-}
-
-/* TLV used by both global and stream volumes */
-static const DECLARE_TLV_DB_SCALE(hsw_vol_tlv, -9000, 300, 1);
-
-/* System Pin has no volume control */
-static const struct snd_kcontrol_new hsw_volume_controls[] = {
- /* Global DSP volume */
- SOC_DOUBLE_EXT_TLV("Master Playback Volume", 0, 0, 8,
- ARRAY_SIZE(volume_map) - 1, 0,
- hsw_volume_get, hsw_volume_put, hsw_vol_tlv),
- /* Offload 0 volume */
- SOC_DOUBLE_EXT_TLV("Media0 Playback Volume", 1, 0, 8,
- ARRAY_SIZE(volume_map) - 1, 0,
- hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
- /* Offload 1 volume */
- SOC_DOUBLE_EXT_TLV("Media1 Playback Volume", 2, 0, 8,
- ARRAY_SIZE(volume_map) - 1, 0,
- hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
- /* Mic Capture volume */
- SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 4, 0, 8,
- ARRAY_SIZE(volume_map) - 1, 0,
- hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
- /* enable/disable module waves */
- SOC_SINGLE_BOOL_EXT("Waves Switch", 0,
- hsw_waves_switch_get, hsw_waves_switch_put),
- /* set parameters to module waves */
- SND_SOC_BYTES_EXT("Waves Set Param", WAVES_PARAM_COUNT,
- hsw_waves_param_get, hsw_waves_param_put),
-};
-
-/* Create DMA buffer page table for DSP */
-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_soc_component *component,
- struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- 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[asoc_rtd_to_cpu(rtd, 0)->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, asoc_rtd_to_cpu(rtd, 0)->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 (asoc_rtd_to_cpu(rtd, 0)->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",
- asoc_rtd_to_cpu(rtd, 0)->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;
- }
-
- dmab = snd_pcm_get_dma_buf(substream);
-
- ret = create_adsp_page_table(substream, pdata, rtd, runtime->dma_area,
- runtime->dma_bytes, asoc_rtd_to_cpu(rtd, 0)->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[asoc_rtd_to_cpu(rtd, 0)->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_trigger(struct snd_soc_component *component,
- struct snd_pcm_substream *substream, int cmd)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- 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[asoc_rtd_to_cpu(rtd, 0)->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 = asoc_substream_to_rtd(substream);
- 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_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- 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[asoc_rtd_to_cpu(rtd, 0)->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_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- 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[asoc_rtd_to_cpu(rtd, 0)->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, asoc_rtd_to_cpu(rtd, 0)->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_soc_component *component,
- struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- 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[asoc_rtd_to_cpu(rtd, 0)->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 = false;
- 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 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_component *component,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_pcm *pcm = rtd->pcm;
- 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;
-
- if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream ||
- pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
- snd_pcm_set_managed_buffer_all(pcm,
- SNDRV_DMA_TYPE_DEV_SG,
- dev,
- hsw_pcm_hardware.buffer_bytes_max,
- hsw_pcm_hardware.buffer_bytes_max);
- }
- if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream)
- priv_data->pcm[asoc_rtd_to_cpu(rtd, 0)->id][SNDRV_PCM_STREAM_PLAYBACK].hsw_pcm = pcm;
- if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream)
- priv_data->pcm[asoc_rtd_to_cpu(rtd, 0)->id][SNDRV_PCM_STREAM_CAPTURE].hsw_pcm = pcm;
-
- return 0;
-}
-
-#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,
- .open = hsw_pcm_open,
- .close = hsw_pcm_close,
- .hw_params = hsw_pcm_hw_params,
- .trigger = hsw_pcm_trigger,
- .pointer = hsw_pcm_pointer,
- .pcm_construct = 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");