]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blobdiff - sound/soc/intel/sst_platform.c
Merge remote-tracking branches 'asoc/topic/ml26124', 'asoc/topic/of', 'asoc/topic...
[mirror_ubuntu-zesty-kernel.git] / sound / soc / intel / sst_platform.c
diff --git a/sound/soc/intel/sst_platform.c b/sound/soc/intel/sst_platform.c
deleted file mode 100644 (file)
index f465a81..0000000
+++ /dev/null
@@ -1,725 +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),
-       .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, &param);
-       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");