@@ -2,7 +2,7 @@
snd-soc-sst-dsp-objs := sst-dsp.o sst-firmware.o
snd-soc-sst-acpi-objs := sst-acpi.o
-snd-soc-sst-mfld-platform-objs := sst-mfld-platform-pcm.o
+snd-soc-sst-mfld-platform-objs := sst-mfld-platform-pcm.o sst-mfld-platform-compress.o
snd-soc-mfld-machine-objs := mfld_machine.o
obj-$(CONFIG_SND_SST_MFLD_PLATFORM) += snd-soc-sst-mfld-platform.o
@@ -26,3 +26,15 @@ snd-soc-sst-byt-rt5640-mach-objs := byt-rt5640.o
obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o
obj-$(CONFIG_SND_SOC_INTEL_BYT_RT5640_MACH) += snd-soc-sst-byt-rt5640-mach.o
+
+# SST Platform Driver
+PLATFORM_LIBS = platform-libs/controls_v2_dpcm.o
+
+snd-soc-sst-platform-objs := pcm.o compress.o $(PLATFORM_LIBS)
+obj-$(CONFIG_SND_SST_PLATFORM) += snd-soc-sst-platform.o
+
+# Relevant Machine driver
+obj-$(CONFIG_SND_SST_MACHINE) += board/
+
+# IPC driver
+obj-$(CONFIG_SND_INTEL_SST) += sst/
new file mode 100644
@@ -0,0 +1,228 @@
+/*
+ * sst_mfld_platform.c - Intel MID Platform driver
+ *
+ * Copyright (C) 2010-2014 Intel Corp
+ * Author: Vinod Koul <vinod.koul@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.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+#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-mfld-platform.h"
+
+/* 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);
+}
+
+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,
+};
@@ -29,8 +29,9 @@
#include <sound/compress_driver.h>
#include "sst-mfld-platform.h"
-static struct sst_device *sst;
+struct sst_device *sst;
static DEFINE_MUTEX(sst_lock);
+extern struct snd_compr_ops sst_platform_compr_ops;
int sst_register_dsp(struct sst_device *dev)
{
@@ -465,205 +466,6 @@ static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd)
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,
@@ -23,6 +23,8 @@
#include "sst-mfld-dsp.h"
+extern struct sst_device *sst;
+
#define SST_MONO 1
#define SST_STEREO 2
#define SST_MAX_CAP 5
For managing them and adding support for more platforms Signed-off-by: Vinod Koul <vinod.koul@intel.com> --- sound/soc/intel/Makefile | 14 ++- sound/soc/intel/sst-mfld-platform-compress.c | 228 ++++++++++++++++++++++++++ sound/soc/intel/sst-mfld-platform-pcm.c | 202 +---------------------- sound/soc/intel/sst-mfld-platform.h | 2 + 4 files changed, 245 insertions(+), 201 deletions(-) create mode 100644 sound/soc/intel/sst-mfld-platform-compress.c