--- /dev/null
+/*
+ * platform_sst_audio.h: sst audio platform data header file
+ *
+ * Copyright (C) 2012-14 Intel Corporation
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ * Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
+ * 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.
+ */
+#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
+
/*
* 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@intel.com>
* Author: Harsha Priya <priya.harsha@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#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);
.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[] = {
{
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
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;
}
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);
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;
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,
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");
projects / linux-beck.git / commitdiff