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-rw-r--r--sound/soc/intel/atom/sst-mfld-platform.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/sound/soc/intel/atom/sst-mfld-platform.h b/sound/soc/intel/atom/sst-mfld-platform.h
new file mode 100644
index 000000000000..9094314be2b0
--- /dev/null
+++ b/sound/soc/intel/atom/sst-mfld-platform.h
@@ -0,0 +1,181 @@
+/*
+ * sst_mfld_platform.h - Intel MID Platform driver header file
+ *
+ * Copyright (C) 2010 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.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#ifndef __SST_PLATFORMDRV_H__
+#define __SST_PLATFORMDRV_H__
+
+#include "sst-mfld-dsp.h"
+
+extern struct sst_device *sst;
+
+#define SST_MONO 1
+#define SST_STEREO 2
+#define SST_MAX_CAP 5
+
+#define SST_MAX_BUFFER (800*1024)
+#define SST_MIN_BUFFER (800*1024)
+#define SST_MIN_PERIOD_BYTES 32
+#define SST_MAX_PERIOD_BYTES SST_MAX_BUFFER
+#define SST_MIN_PERIODS 2
+#define SST_MAX_PERIODS (1024*2)
+#define SST_FIFO_SIZE 0
+
+struct pcm_stream_info {
+ int str_id;
+ void *arg;
+ void (*period_elapsed) (void *arg);
+ unsigned long long buffer_ptr;
+ unsigned long long pcm_delay;
+ int sfreq;
+};
+
+enum sst_drv_status {
+ SST_PLATFORM_INIT = 1,
+ SST_PLATFORM_STARTED,
+ SST_PLATFORM_RUNNING,
+ SST_PLATFORM_PAUSED,
+ SST_PLATFORM_DROPPED,
+};
+
+enum sst_stream_ops {
+ STREAM_OPS_PLAYBACK = 0,
+ STREAM_OPS_CAPTURE,
+};
+
+enum sst_audio_device_type {
+ SND_SST_DEVICE_HEADSET = 1,
+ SND_SST_DEVICE_IHF,
+ SND_SST_DEVICE_VIBRA,
+ SND_SST_DEVICE_HAPTIC,
+ SND_SST_DEVICE_CAPTURE,
+ SND_SST_DEVICE_COMPRESS,
+};
+
+/* PCM Parameters */
+struct sst_pcm_params {
+ u16 codec; /* codec type */
+ u8 num_chan; /* 1=Mono, 2=Stereo */
+ u8 pcm_wd_sz; /* 16/24 - bit*/
+ u32 reserved; /* Bitrate in bits per second */
+ u32 sfreq; /* Sampling rate in Hz */
+ u32 ring_buffer_size;
+ u32 period_count; /* period elapsed in samples*/
+ u32 ring_buffer_addr;
+};
+
+struct sst_stream_params {
+ u32 result;
+ u32 stream_id;
+ u8 codec;
+ u8 ops;
+ u8 stream_type;
+ u8 device_type;
+ struct sst_pcm_params sparams;
+};
+
+struct sst_compress_cb {
+ void *param;
+ void (*compr_cb)(void *param);
+ void *drain_cb_param;
+ void (*drain_notify)(void *param);
+};
+
+struct compress_sst_ops {
+ const char *name;
+ int (*open)(struct device *dev,
+ struct snd_sst_params *str_params, struct sst_compress_cb *cb);
+ int (*stream_start)(struct device *dev, unsigned int str_id);
+ int (*stream_drop)(struct device *dev, unsigned int str_id);
+ int (*stream_drain)(struct device *dev, unsigned int str_id);
+ int (*stream_partial_drain)(struct device *dev, unsigned int str_id);
+ int (*stream_pause)(struct device *dev, unsigned int str_id);
+ int (*stream_pause_release)(struct device *dev, unsigned int str_id);
+
+ int (*tstamp)(struct device *dev, unsigned int str_id,
+ struct snd_compr_tstamp *tstamp);
+ int (*ack)(struct device *dev, unsigned int str_id,
+ unsigned long bytes);
+ int (*close)(struct device *dev, unsigned int str_id);
+ int (*get_caps)(struct snd_compr_caps *caps);
+ int (*get_codec_caps)(struct snd_compr_codec_caps *codec);
+ int (*set_metadata)(struct device *dev, unsigned int str_id,
+ struct snd_compr_metadata *mdata);
+ int (*power)(struct device *dev, bool state);
+};
+
+struct sst_ops {
+ int (*open)(struct device *dev, struct snd_sst_params *str_param);
+ int (*stream_init)(struct device *dev, struct pcm_stream_info *str_info);
+ int (*stream_start)(struct device *dev, int str_id);
+ int (*stream_drop)(struct device *dev, int str_id);
+ int (*stream_pause)(struct device *dev, int str_id);
+ int (*stream_pause_release)(struct device *dev, int str_id);
+ int (*stream_read_tstamp)(struct device *dev, struct pcm_stream_info *str_info);
+ int (*send_byte_stream)(struct device *dev, struct snd_sst_bytes_v2 *bytes);
+ int (*close)(struct device *dev, unsigned int str_id);
+ int (*power)(struct device *dev, bool state);
+};
+
+struct sst_runtime_stream {
+ int stream_status;
+ unsigned int id;
+ size_t bytes_written;
+ struct pcm_stream_info stream_info;
+ struct sst_ops *ops;
+ struct compress_sst_ops *compr_ops;
+ spinlock_t status_lock;
+};
+
+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;
+
+int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform);
+int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
+int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
+int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
+
+void sst_set_stream_status(struct sst_runtime_stream *stream, int state);
+int sst_fill_stream_params(void *substream, const struct sst_data *ctx,
+ struct snd_sst_params *str_params, bool is_compress);
+
+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 snd_sst_bytes_v2 *byte_stream;
+ struct mutex lock;
+ struct snd_soc_card *soc_card;
+};
+int sst_register_dsp(struct sst_device *sst);
+int sst_unregister_dsp(struct sst_device *sst);
+#endif