diff options
Diffstat (limited to 'sound/soc/mid-x86/sst_platform.c')
| -rw-r--r-- | sound/soc/mid-x86/sst_platform.c | 735 |
1 files changed, 0 insertions, 735 deletions
diff --git a/sound/soc/mid-x86/sst_platform.c b/sound/soc/mid-x86/sst_platform.c deleted file mode 100644 index b6b5eb698d33..000000000000 --- a/sound/soc/mid-x86/sst_platform.c +++ /dev/null @@ -1,735 +0,0 @@ -/* - * sst_platform.c - Intel MID Platform driver - * - * Copyright (C) 2010-2013 Intel Corp - * Author: Vinod Koul <vinod.koul@intel.com> - * Author: Harsha Priya <priya.harsha@intel.com> - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * - */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/slab.h> -#include <linux/io.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/compress_driver.h> -#include "sst_platform.h" - -static struct sst_device *sst; -static DEFINE_MUTEX(sst_lock); - -int sst_register_dsp(struct sst_device *dev) -{ - if (WARN_ON(!dev)) - return -EINVAL; - if (!try_module_get(dev->dev->driver->owner)) - return -ENODEV; - mutex_lock(&sst_lock); - if (sst) { - pr_err("we already have a device %s\n", sst->name); - module_put(dev->dev->driver->owner); - mutex_unlock(&sst_lock); - return -EEXIST; - } - pr_debug("registering device %s\n", dev->name); - sst = dev; - mutex_unlock(&sst_lock); - return 0; -} -EXPORT_SYMBOL_GPL(sst_register_dsp); - -int sst_unregister_dsp(struct sst_device *dev) -{ - if (WARN_ON(!dev)) - return -EINVAL; - if (dev != sst) - return -EINVAL; - - mutex_lock(&sst_lock); - - if (!sst) { - mutex_unlock(&sst_lock); - return -EIO; - } - - module_put(sst->dev->driver->owner); - pr_debug("unreg %s\n", sst->name); - sst = NULL; - mutex_unlock(&sst_lock); - return 0; -} -EXPORT_SYMBOL_GPL(sst_unregister_dsp); - -static struct snd_pcm_hardware sst_platform_pcm_hw = { - .info = (SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_DOUBLE | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_RESUME | - SNDRV_PCM_INFO_MMAP| - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_SYNC_START), - .formats = (SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_U16 | - SNDRV_PCM_FMTBIT_S24 | SNDRV_PCM_FMTBIT_U24 | - SNDRV_PCM_FMTBIT_S32 | SNDRV_PCM_FMTBIT_U32), - .rates = (SNDRV_PCM_RATE_8000| - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000), - .rate_min = SST_MIN_RATE, - .rate_max = SST_MAX_RATE, - .channels_min = SST_MIN_CHANNEL, - .channels_max = SST_MAX_CHANNEL, - .buffer_bytes_max = SST_MAX_BUFFER, - .period_bytes_min = SST_MIN_PERIOD_BYTES, - .period_bytes_max = SST_MAX_PERIOD_BYTES, - .periods_min = SST_MIN_PERIODS, - .periods_max = SST_MAX_PERIODS, - .fifo_size = SST_FIFO_SIZE, -}; - -/* MFLD - MSIC */ -static struct snd_soc_dai_driver sst_platform_dai[] = { -{ - .name = "Headset-cpu-dai", - .id = 0, - .playback = { - .channels_min = SST_STEREO, - .channels_max = SST_STEREO, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S24_LE, - }, - .capture = { - .channels_min = 1, - .channels_max = 5, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S24_LE, - }, -}, -{ - .name = "Speaker-cpu-dai", - .id = 1, - .playback = { - .channels_min = SST_MONO, - .channels_max = SST_STEREO, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S24_LE, - }, -}, -{ - .name = "Vibra1-cpu-dai", - .id = 2, - .playback = { - .channels_min = SST_MONO, - .channels_max = SST_MONO, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S24_LE, - }, -}, -{ - .name = "Vibra2-cpu-dai", - .id = 3, - .playback = { - .channels_min = SST_MONO, - .channels_max = SST_STEREO, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S24_LE, - }, -}, -{ - .name = "Compress-cpu-dai", - .compress_dai = 1, - .playback = { - .channels_min = SST_STEREO, - .channels_max = SST_STEREO, - .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, -}, -}; - -static const struct snd_soc_component_driver sst_component = { - .name = "sst", -}; - -/* helper functions */ -static inline void sst_set_stream_status(struct sst_runtime_stream *stream, - int state) -{ - unsigned long flags; - spin_lock_irqsave(&stream->status_lock, flags); - stream->stream_status = state; - spin_unlock_irqrestore(&stream->status_lock, flags); -} - -static inline int sst_get_stream_status(struct sst_runtime_stream *stream) -{ - int state; - unsigned long flags; - - spin_lock_irqsave(&stream->status_lock, flags); - state = stream->stream_status; - spin_unlock_irqrestore(&stream->status_lock, flags); - return state; -} - -static void sst_fill_pcm_params(struct snd_pcm_substream *substream, - struct sst_pcm_params *param) -{ - - param->codec = SST_CODEC_TYPE_PCM; - param->num_chan = (u8) substream->runtime->channels; - param->pcm_wd_sz = substream->runtime->sample_bits; - param->reserved = 0; - param->sfreq = substream->runtime->rate; - param->ring_buffer_size = snd_pcm_lib_buffer_bytes(substream); - param->period_count = substream->runtime->period_size; - param->ring_buffer_addr = virt_to_phys(substream->dma_buffer.area); - pr_debug("period_cnt = %d\n", param->period_count); - pr_debug("sfreq= %d, wd_sz = %d\n", param->sfreq, param->pcm_wd_sz); -} - -static int sst_platform_alloc_stream(struct snd_pcm_substream *substream) -{ - struct sst_runtime_stream *stream = - substream->runtime->private_data; - struct sst_pcm_params param = {0}; - struct sst_stream_params str_params = {0}; - int ret_val; - - /* set codec params and inform SST driver the same */ - sst_fill_pcm_params(substream, ¶m); - substream->runtime->dma_area = substream->dma_buffer.area; - str_params.sparams = param; - str_params.codec = param.codec; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - str_params.ops = STREAM_OPS_PLAYBACK; - str_params.device_type = substream->pcm->device + 1; - pr_debug("Playbck stream,Device %d\n", - substream->pcm->device); - } else { - str_params.ops = STREAM_OPS_CAPTURE; - str_params.device_type = SND_SST_DEVICE_CAPTURE; - pr_debug("Capture stream,Device %d\n", - substream->pcm->device); - } - ret_val = stream->ops->open(&str_params); - pr_debug("SST_SND_PLAY/CAPTURE ret_val = %x\n", ret_val); - if (ret_val < 0) - return ret_val; - - stream->stream_info.str_id = ret_val; - pr_debug("str id : %d\n", stream->stream_info.str_id); - return ret_val; -} - -static void sst_period_elapsed(void *mad_substream) -{ - struct snd_pcm_substream *substream = mad_substream; - struct sst_runtime_stream *stream; - int status; - - if (!substream || !substream->runtime) - return; - stream = substream->runtime->private_data; - if (!stream) - return; - status = sst_get_stream_status(stream); - if (status != SST_PLATFORM_RUNNING) - return; - snd_pcm_period_elapsed(substream); -} - -static int sst_platform_init_stream(struct snd_pcm_substream *substream) -{ - struct sst_runtime_stream *stream = - substream->runtime->private_data; - int ret_val; - - pr_debug("setting buffer ptr param\n"); - sst_set_stream_status(stream, SST_PLATFORM_INIT); - stream->stream_info.period_elapsed = sst_period_elapsed; - stream->stream_info.mad_substream = substream; - stream->stream_info.buffer_ptr = 0; - stream->stream_info.sfreq = substream->runtime->rate; - ret_val = stream->ops->device_control( - SST_SND_STREAM_INIT, &stream->stream_info); - if (ret_val) - pr_err("control_set ret error %d\n", ret_val); - return ret_val; - -} -/* end -- helper functions */ - -static int sst_platform_open(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct sst_runtime_stream *stream; - int ret_val; - - pr_debug("sst_platform_open called\n"); - - snd_soc_set_runtime_hwparams(substream, &sst_platform_pcm_hw); - ret_val = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS); - if (ret_val < 0) - return ret_val; - - stream = kzalloc(sizeof(*stream), GFP_KERNEL); - if (!stream) - return -ENOMEM; - spin_lock_init(&stream->status_lock); - - /* get the sst ops */ - mutex_lock(&sst_lock); - if (!sst) { - pr_err("no device available to run\n"); - mutex_unlock(&sst_lock); - kfree(stream); - return -ENODEV; - } - if (!try_module_get(sst->dev->driver->owner)) { - mutex_unlock(&sst_lock); - kfree(stream); - return -ENODEV; - } - stream->ops = sst->ops; - mutex_unlock(&sst_lock); - - stream->stream_info.str_id = 0; - sst_set_stream_status(stream, SST_PLATFORM_INIT); - stream->stream_info.mad_substream = substream; - /* allocate memory for SST API set */ - runtime->private_data = stream; - - return 0; -} - -static int sst_platform_close(struct snd_pcm_substream *substream) -{ - struct sst_runtime_stream *stream; - int ret_val = 0, str_id; - - pr_debug("sst_platform_close called\n"); - stream = substream->runtime->private_data; - str_id = stream->stream_info.str_id; - if (str_id) - ret_val = stream->ops->close(str_id); - module_put(sst->dev->driver->owner); - kfree(stream); - return ret_val; -} - -static int sst_platform_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct sst_runtime_stream *stream; - int ret_val = 0, str_id; - - pr_debug("sst_platform_pcm_prepare called\n"); - stream = substream->runtime->private_data; - str_id = stream->stream_info.str_id; - if (stream->stream_info.str_id) { - ret_val = stream->ops->device_control( - SST_SND_DROP, &str_id); - return ret_val; - } - - ret_val = sst_platform_alloc_stream(substream); - if (ret_val < 0) - return ret_val; - snprintf(substream->pcm->id, sizeof(substream->pcm->id), - "%d", stream->stream_info.str_id); - - ret_val = sst_platform_init_stream(substream); - if (ret_val) - return ret_val; - substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER; - return ret_val; -} - -static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - int ret_val = 0, str_id; - struct sst_runtime_stream *stream; - int str_cmd, status; - - pr_debug("sst_platform_pcm_trigger called\n"); - stream = substream->runtime->private_data; - str_id = stream->stream_info.str_id; - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - pr_debug("sst: Trigger Start\n"); - str_cmd = SST_SND_START; - status = SST_PLATFORM_RUNNING; - stream->stream_info.mad_substream = substream; - break; - case SNDRV_PCM_TRIGGER_STOP: - pr_debug("sst: in stop\n"); - str_cmd = SST_SND_DROP; - status = SST_PLATFORM_DROPPED; - break; - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - pr_debug("sst: in pause\n"); - str_cmd = SST_SND_PAUSE; - status = SST_PLATFORM_PAUSED; - break; - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - pr_debug("sst: in pause release\n"); - str_cmd = SST_SND_RESUME; - status = SST_PLATFORM_RUNNING; - break; - default: - return -EINVAL; - } - ret_val = stream->ops->device_control(str_cmd, &str_id); - if (!ret_val) - sst_set_stream_status(stream, status); - - return ret_val; -} - - -static snd_pcm_uframes_t sst_platform_pcm_pointer - (struct snd_pcm_substream *substream) -{ - struct sst_runtime_stream *stream; - int ret_val, status; - struct pcm_stream_info *str_info; - - stream = substream->runtime->private_data; - status = sst_get_stream_status(stream); - if (status == SST_PLATFORM_INIT) - return 0; - str_info = &stream->stream_info; - ret_val = stream->ops->device_control( - SST_SND_BUFFER_POINTER, str_info); - if (ret_val) { - pr_err("sst: error code = %d\n", ret_val); - return ret_val; - } - return stream->stream_info.buffer_ptr; -} - -static int sst_platform_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); - memset(substream->runtime->dma_area, 0, params_buffer_bytes(params)); - - return 0; -} - -static int sst_platform_pcm_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static struct snd_pcm_ops sst_platform_ops = { - .open = sst_platform_open, - .close = sst_platform_close, - .ioctl = snd_pcm_lib_ioctl, - .prepare = sst_platform_pcm_prepare, - .trigger = sst_platform_pcm_trigger, - .pointer = sst_platform_pcm_pointer, - .hw_params = sst_platform_pcm_hw_params, - .hw_free = sst_platform_pcm_hw_free, -}; - -static void sst_pcm_free(struct snd_pcm *pcm) -{ - pr_debug("sst_pcm_free called\n"); - snd_pcm_lib_preallocate_free_for_all(pcm); -} - -static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_pcm *pcm = rtd->pcm; - int retval = 0; - - pr_debug("sst_pcm_new called\n"); - if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream || - pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - retval = snd_pcm_lib_preallocate_pages_for_all(pcm, - SNDRV_DMA_TYPE_CONTINUOUS, - snd_dma_continuous_data(GFP_KERNEL), - SST_MIN_BUFFER, SST_MAX_BUFFER); - if (retval) { - pr_err("dma buffer allocationf fail\n"); - return retval; - } - } - return retval; -} - -/* compress stream operations */ -static void sst_compr_fragment_elapsed(void *arg) -{ - struct snd_compr_stream *cstream = (struct snd_compr_stream *)arg; - - pr_debug("fragment elapsed by driver\n"); - if (cstream) - snd_compr_fragment_elapsed(cstream); -} - -static int sst_platform_compr_open(struct snd_compr_stream *cstream) -{ - - int ret_val = 0; - struct snd_compr_runtime *runtime = cstream->runtime; - struct sst_runtime_stream *stream; - - stream = kzalloc(sizeof(*stream), GFP_KERNEL); - if (!stream) - return -ENOMEM; - - spin_lock_init(&stream->status_lock); - - /* get the sst ops */ - if (!sst || !try_module_get(sst->dev->driver->owner)) { - pr_err("no device available to run\n"); - ret_val = -ENODEV; - goto out_ops; - } - stream->compr_ops = sst->compr_ops; - - stream->id = 0; - sst_set_stream_status(stream, SST_PLATFORM_INIT); - runtime->private_data = stream; - return 0; -out_ops: - kfree(stream); - return ret_val; -} - -static int sst_platform_compr_free(struct snd_compr_stream *cstream) -{ - struct sst_runtime_stream *stream; - int ret_val = 0, str_id; - - stream = cstream->runtime->private_data; - /*need to check*/ - str_id = stream->id; - if (str_id) - ret_val = stream->compr_ops->close(str_id); - module_put(sst->dev->driver->owner); - kfree(stream); - pr_debug("%s: %d\n", __func__, ret_val); - return 0; -} - -static int sst_platform_compr_set_params(struct snd_compr_stream *cstream, - struct snd_compr_params *params) -{ - struct sst_runtime_stream *stream; - int retval; - struct snd_sst_params str_params; - struct sst_compress_cb cb; - - stream = cstream->runtime->private_data; - /* construct fw structure for this*/ - memset(&str_params, 0, sizeof(str_params)); - - str_params.ops = STREAM_OPS_PLAYBACK; - str_params.stream_type = SST_STREAM_TYPE_MUSIC; - str_params.device_type = SND_SST_DEVICE_COMPRESS; - - switch (params->codec.id) { - case SND_AUDIOCODEC_MP3: { - str_params.codec = SST_CODEC_TYPE_MP3; - str_params.sparams.uc.mp3_params.codec = SST_CODEC_TYPE_MP3; - str_params.sparams.uc.mp3_params.num_chan = params->codec.ch_in; - str_params.sparams.uc.mp3_params.pcm_wd_sz = 16; - break; - } - - case SND_AUDIOCODEC_AAC: { - str_params.codec = SST_CODEC_TYPE_AAC; - str_params.sparams.uc.aac_params.codec = SST_CODEC_TYPE_AAC; - str_params.sparams.uc.aac_params.num_chan = params->codec.ch_in; - str_params.sparams.uc.aac_params.pcm_wd_sz = 16; - if (params->codec.format == SND_AUDIOSTREAMFORMAT_MP4ADTS) - str_params.sparams.uc.aac_params.bs_format = - AAC_BIT_STREAM_ADTS; - else if (params->codec.format == SND_AUDIOSTREAMFORMAT_RAW) - str_params.sparams.uc.aac_params.bs_format = - AAC_BIT_STREAM_RAW; - else { - pr_err("Undefined format%d\n", params->codec.format); - return -EINVAL; - } - str_params.sparams.uc.aac_params.externalsr = - params->codec.sample_rate; - break; - } - - default: - pr_err("codec not supported, id =%d\n", params->codec.id); - return -EINVAL; - } - - str_params.aparams.ring_buf_info[0].addr = - virt_to_phys(cstream->runtime->buffer); - str_params.aparams.ring_buf_info[0].size = - cstream->runtime->buffer_size; - str_params.aparams.sg_count = 1; - str_params.aparams.frag_size = cstream->runtime->fragment_size; - - cb.param = cstream; - cb.compr_cb = sst_compr_fragment_elapsed; - - retval = stream->compr_ops->open(&str_params, &cb); - if (retval < 0) { - pr_err("stream allocation failed %d\n", retval); - return retval; - } - - stream->id = retval; - return 0; -} - -static int sst_platform_compr_trigger(struct snd_compr_stream *cstream, int cmd) -{ - struct sst_runtime_stream *stream = - cstream->runtime->private_data; - - return stream->compr_ops->control(cmd, stream->id); -} - -static int sst_platform_compr_pointer(struct snd_compr_stream *cstream, - struct snd_compr_tstamp *tstamp) -{ - struct sst_runtime_stream *stream; - - stream = cstream->runtime->private_data; - stream->compr_ops->tstamp(stream->id, tstamp); - tstamp->byte_offset = tstamp->copied_total % - (u32)cstream->runtime->buffer_size; - pr_debug("calc bytes offset/copied bytes as %d\n", tstamp->byte_offset); - return 0; -} - -static int sst_platform_compr_ack(struct snd_compr_stream *cstream, - size_t bytes) -{ - struct sst_runtime_stream *stream; - - stream = cstream->runtime->private_data; - stream->compr_ops->ack(stream->id, (unsigned long)bytes); - stream->bytes_written += bytes; - - return 0; -} - -static int sst_platform_compr_get_caps(struct snd_compr_stream *cstream, - struct snd_compr_caps *caps) -{ - struct sst_runtime_stream *stream = - cstream->runtime->private_data; - - return stream->compr_ops->get_caps(caps); -} - -static int sst_platform_compr_get_codec_caps(struct snd_compr_stream *cstream, - struct snd_compr_codec_caps *codec) -{ - struct sst_runtime_stream *stream = - cstream->runtime->private_data; - - return stream->compr_ops->get_codec_caps(codec); -} - -static int sst_platform_compr_set_metadata(struct snd_compr_stream *cstream, - struct snd_compr_metadata *metadata) -{ - struct sst_runtime_stream *stream = - cstream->runtime->private_data; - - return stream->compr_ops->set_metadata(stream->id, metadata); -} - -static struct snd_compr_ops sst_platform_compr_ops = { - - .open = sst_platform_compr_open, - .free = sst_platform_compr_free, - .set_params = sst_platform_compr_set_params, - .set_metadata = sst_platform_compr_set_metadata, - .trigger = sst_platform_compr_trigger, - .pointer = sst_platform_compr_pointer, - .ack = sst_platform_compr_ack, - .get_caps = sst_platform_compr_get_caps, - .get_codec_caps = sst_platform_compr_get_codec_caps, -}; - -static struct snd_soc_platform_driver sst_soc_platform_drv = { - .ops = &sst_platform_ops, - .compr_ops = &sst_platform_compr_ops, - .pcm_new = sst_pcm_new, - .pcm_free = sst_pcm_free, -}; - -static int sst_platform_probe(struct platform_device *pdev) -{ - int ret; - - pr_debug("sst_platform_probe called\n"); - sst = NULL; - ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv); - if (ret) { - pr_err("registering soc platform failed\n"); - return ret; - } - - ret = snd_soc_register_component(&pdev->dev, &sst_component, - sst_platform_dai, ARRAY_SIZE(sst_platform_dai)); - if (ret) { - pr_err("registering cpu dais failed\n"); - snd_soc_unregister_platform(&pdev->dev); - } - return ret; -} - -static int sst_platform_remove(struct platform_device *pdev) -{ - - snd_soc_unregister_component(&pdev->dev); - snd_soc_unregister_platform(&pdev->dev); - pr_debug("sst_platform_remove success\n"); - return 0; -} - -static struct platform_driver sst_platform_driver = { - .driver = { - .name = "sst-platform", - .owner = THIS_MODULE, - }, - .probe = sst_platform_probe, - .remove = sst_platform_remove, -}; - -module_platform_driver(sst_platform_driver); - -MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver"); -MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>"); -MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:sst-platform"); |