[alsa-devel] [PATCH 07/19] ASoC: Intel: add mrfld pipelines
Vinod Koul
vinod.koul at intel.com
Fri Jun 13 14:33:56 CEST 2014
Merrifield DSP used various pipelines to identify the streams and processing
modules. Add these defination in the pcm driver and also add a table for device
entries to firmware pipeline id conversion
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
arch/x86/include/asm/platform_sst_audio.h | 78 ++++++++++++++++++++++
sound/soc/intel/sst-atom-controls.h | 30 +++++++++
sound/soc/intel/sst-mfld-platform-pcm.c | 100 ++++++++++++++++++++++++++---
sound/soc/intel/sst-mfld-platform.h | 18 +++++
4 files changed, 217 insertions(+), 9 deletions(-)
create mode 100644 arch/x86/include/asm/platform_sst_audio.h
create mode 100644 sound/soc/intel/sst-atom-controls.h
diff --git a/arch/x86/include/asm/platform_sst_audio.h b/arch/x86/include/asm/platform_sst_audio.h
new file mode 100644
index 0000000..0a4e140
--- /dev/null
+++ b/arch/x86/include/asm/platform_sst_audio.h
@@ -0,0 +1,78 @@
+/*
+ * platform_sst_audio.h: sst audio platform data header file
+ *
+ * Copyright (C) 2012-14 Intel Corporation
+ * Author: Jeeja KP <jeeja.kp at intel.com>
+ * Omair Mohammed Abdullah <omair.m.abdullah at intel.com>
+ * Vinod Koul ,vinod.koul at 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.
+ */
+#ifndef _PLATFORM_SST_AUDIO_H_
+#define _PLATFORM_SST_AUDIO_H_
+
+#include <linux/sfi.h>
+
+enum sst_audio_task_id_mrfld {
+ SST_TASK_ID_NONE = 0,
+ SST_TASK_ID_SBA = 1,
+ SST_TASK_ID_MEDIA = 3,
+ SST_TASK_ID_MAX = SST_TASK_ID_MEDIA,
+};
+
+/* Device IDs for Merrifield are Pipe IDs,
+ * ref: DSP spec v0.75 */
+enum sst_audio_device_id_mrfld {
+ /* Output pipeline IDs */
+ PIPE_ID_OUT_START = 0x0,
+ PIPE_CODEC_OUT0 = 0x2,
+ PIPE_CODEC_OUT1 = 0x3,
+ PIPE_SPROT_LOOP_OUT = 0x4,
+ PIPE_MEDIA_LOOP1_OUT = 0x5,
+ PIPE_MEDIA_LOOP2_OUT = 0x6,
+ PIPE_VOIP_OUT = 0xC,
+ PIPE_PCM0_OUT = 0xD,
+ PIPE_PCM1_OUT = 0xE,
+ PIPE_PCM2_OUT = 0xF,
+ PIPE_MEDIA0_OUT = 0x12,
+ PIPE_MEDIA1_OUT = 0x13,
+/* Input Pipeline IDs */
+ PIPE_ID_IN_START = 0x80,
+ PIPE_CODEC_IN0 = 0x82,
+ PIPE_CODEC_IN1 = 0x83,
+ PIPE_SPROT_LOOP_IN = 0x84,
+ PIPE_MEDIA_LOOP1_IN = 0x85,
+ PIPE_MEDIA_LOOP2_IN = 0x86,
+ PIPE_VOIP_IN = 0x8C,
+ PIPE_PCM0_IN = 0x8D,
+ PIPE_PCM1_IN = 0x8E,
+ PIPE_MEDIA0_IN = 0x8F,
+ PIPE_MEDIA1_IN = 0x90,
+ PIPE_MEDIA2_IN = 0x91,
+ PIPE_RSVD = 0xFF,
+};
+
+/* The stream map for each platform consists of an array of the below
+ * stream map structure.
+ */
+struct sst_dev_stream_map {
+ u8 dev_num; /* device id */
+ u8 subdev_num; /* substream */
+ u8 direction;
+ u8 device_id; /* fw id */
+ u8 task_id; /* fw task */
+ u8 status;
+};
+
+struct sst_platform_data {
+ /* Intel software platform id*/
+ struct sst_dev_stream_map *pdev_strm_map;
+ unsigned int strm_map_size;
+};
+
+int add_sst_platform_device(void);
+#endif
+
diff --git a/sound/soc/intel/sst-atom-controls.h b/sound/soc/intel/sst-atom-controls.h
new file mode 100644
index 0000000..14063ab
--- /dev/null
+++ b/sound/soc/intel/sst-atom-controls.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2013-14 Intel Corp
+ * Author: Ramesh Babu <ramesh.babu.koul at intel.com>
+ * Omair M Abdullah <omair.m.abdullah at intel.com>
+ * Samreen Nilofer <samreen.nilofer at 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.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ */
+
+#ifndef __SST_CONTROLS_V2_H__
+#define __SST_CONTROLS_V2_H__
+
+enum {
+ MERR_DPCM_AUDIO = 0,
+ MERR_DPCM_COMPR,
+};
+
+
+#endif
diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c
index 6e7bfb1..7de8788 100644
--- a/sound/soc/intel/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/sst-mfld-platform-pcm.c
@@ -1,7 +1,7 @@
/*
* sst_mfld_platform.c - Intel MID Platform driver
*
- * Copyright (C) 2010-2013 Intel Corp
+ * Copyright (C) 2010-2014 Intel Corp
* Author: Vinod Koul <vinod.koul at intel.com>
* Author: Harsha Priya <priya.harsha at intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -27,7 +27,9 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
+#include <asm/platform_sst_audio.h>
#include "sst-mfld-platform.h"
+#include "sst-atom-controls.h"
struct sst_device *sst;
static DEFINE_MUTEX(sst_lock);
@@ -92,6 +94,13 @@ static struct snd_pcm_hardware sst_platform_pcm_hw = {
.fifo_size = SST_FIFO_SIZE,
};
+static struct sst_dev_stream_map dpcm_strm_map[] = {
+ {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, /* Reserved, not in use */
+ {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA1_IN, SST_TASK_ID_MEDIA, 0},
+ {MERR_DPCM_COMPR, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA0_IN, SST_TASK_ID_MEDIA, 0},
+ {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_CAPTURE, PIPE_PCM1_OUT, SST_TASK_ID_MEDIA, 0},
+};
+
/* MFLD - MSIC */
static struct snd_soc_dai_driver sst_platform_dai[] = {
{
@@ -175,12 +184,36 @@ static void sst_fill_pcm_params(struct snd_pcm_substream *substream,
memset(param->uc.pcm_params.channel_map, 0, sizeof(u8));
}
+
+static int sst_get_stream_mapping(int dev, int sdev, int dir,
+ struct sst_dev_stream_map *map, int size)
+{
+ int i;
+
+ if (map == NULL)
+ return -EINVAL;
+
+
+ /* index 0 is not used in stream map */
+ for (i = 1; i < size; i++) {
+ if ((map[i].dev_num == dev) && (map[i].direction == dir))
+ return i;
+ }
+ return 0;
+}
+
int sst_fill_stream_params(void *substream,
- struct snd_sst_params *str_params, bool is_compress)
+ const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress)
{
+ int map_size;
+ int index;
+ struct sst_dev_stream_map *map;
struct snd_pcm_substream *pstream = NULL;
struct snd_compr_stream *cstream = NULL;
+ map = ctx->pdata->pdev_strm_map;
+ map_size = ctx->pdata->strm_map_size;
+
if (is_compress == true)
cstream = (struct snd_compr_stream *)substream;
else
@@ -189,11 +222,32 @@ int sst_fill_stream_params(void *substream,
str_params->stream_type = SST_STREAM_TYPE_MUSIC;
/* For pcm streams */
- if (pstream)
+ if (pstream) {
+ index = sst_get_stream_mapping(pstream->pcm->device,
+ pstream->number, pstream->stream,
+ map, map_size);
+ if (index <= 0)
+ return -EINVAL;
+
+ str_params->stream_id = index;
+ str_params->device_type = map[index].device_id;
+ str_params->task = map[index].task_id;
+
str_params->ops = (u8)pstream->stream;
- if (cstream)
- str_params->ops = (u8)cstream->direction;
+ }
+
+ if (cstream) {
+ index = sst_get_stream_mapping(cstream->device->device,
+ 0, cstream->direction,
+ map, map_size);
+ if (index <= 0)
+ return -EINVAL;
+ str_params->stream_id = index;
+ str_params->device_type = map[index].device_id;
+ str_params->task = map[index].task_id;
+ str_params->ops = (u8)cstream->direction;
+ }
return 0;
}
@@ -206,6 +260,7 @@ static int sst_platform_alloc_stream(struct snd_pcm_substream *substream,
struct snd_sst_params str_params = {0};
struct snd_sst_alloc_params_ext alloc_params = {0};
int ret_val = 0;
+ struct sst_data *ctx = snd_soc_platform_get_drvdata(platform);
/* set codec params and inform SST driver the same */
sst_fill_pcm_params(substream, ¶m);
@@ -216,7 +271,7 @@ static int sst_platform_alloc_stream(struct snd_pcm_substream *substream,
str_params.codec = SST_CODEC_TYPE_PCM;
/* fill the device type and stream id to pass to SST driver */
- ret_val = sst_fill_stream_params(substream, &str_params, false);
+ ret_val = sst_fill_stream_params(substream, ctx, &str_params, false);
if (ret_val < 0)
return ret_val;
@@ -321,7 +376,22 @@ static void sst_media_close(struct snd_pcm_substream *substream,
ret_val = stream->ops->close(str_id);
module_put(sst->dev->driver->owner);
kfree(stream);
- return;
+}
+
+static inline unsigned int get_current_pipe_id(struct snd_soc_platform *platform,
+ struct snd_pcm_substream *substream)
+{
+ struct sst_data *sst = snd_soc_platform_get_drvdata(platform);
+ struct sst_dev_stream_map *map = sst->pdata->pdev_strm_map;
+ struct sst_runtime_stream *stream =
+ substream->runtime->private_data;
+ u32 str_id = stream->stream_info.str_id;
+ unsigned int pipe_id;
+ pipe_id = map[str_id].device_id;
+
+ pr_debug("%s: got pipe_id = %#x for str_id = %d\n",
+ __func__, pipe_id, str_id);
+ return pipe_id;
}
static int sst_media_prepare(struct snd_pcm_substream *substream,
@@ -498,10 +568,22 @@ static const struct snd_soc_component_driver sst_component = {
static int sst_platform_probe(struct platform_device *pdev)
{
+ struct sst_data *drv;
int ret;
+ struct sst_platform_data *pdata = pdev->dev.platform_data;
+
+ drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
+ if (sst == NULL) {
+ pr_err("kzalloc failed\n");
+ return -ENOMEM;
+ }
+
+ pdata->pdev_strm_map = dpcm_strm_map;
+ pdata->strm_map_size = ARRAY_SIZE(dpcm_strm_map);
+ drv->pdata = pdata;
+ mutex_init(&drv->lock);
+ dev_set_drvdata(&pdev->dev, drv);
- 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");
diff --git a/sound/soc/intel/sst-mfld-platform.h b/sound/soc/intel/sst-mfld-platform.h
index aa5ddbb..33891a8 100644
--- a/sound/soc/intel/sst-mfld-platform.h
+++ b/sound/soc/intel/sst-mfld-platform.h
@@ -144,10 +144,28 @@ struct sst_device {
char *name;
struct device *dev;
struct sst_ops *ops;
+ struct platform_device *pdev;
struct compress_sst_ops *compr_ops;
};
+struct sst_data;
+
void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
+struct sst_algo_int_control_v2 {
+ struct soc_mixer_control mc;
+ u16 module_id; /* module identifieer */
+ u16 pipe_id; /* location info: pipe_id + instance_id */
+ u16 instance_id;
+ unsigned int value; /* Value received is stored here */
+};
+
+struct sst_data {
+ struct platform_device *pdev;
+ struct sst_platform_data *pdata;
+ struct mutex lock;
+};
+
int sst_register_dsp(struct sst_device *sst);
int sst_unregister_dsp(struct sst_device *sst);
+
#endif
--
1.7.0.4
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