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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/sound/soc/mid-x86/sst_platform.h
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/mid-x86/sst_platform.h')
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diff --git a/ANDROID_3.4.5/sound/soc/mid-x86/sst_platform.h b/ANDROID_3.4.5/sound/soc/mid-x86/sst_platform.h
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+/*
+ * sst_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.
+ *
+ * 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.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *
+ */
+
+#ifndef __SST_PLATFORMDRV_H__
+#define __SST_PLATFORMDRV_H__
+
+#define SST_MONO 1
+#define SST_STEREO 2
+#define SST_MAX_CAP 5
+
+#define SST_MIN_RATE 8000
+#define SST_MAX_RATE 48000
+#define SST_MIN_CHANNEL 1
+#define SST_MAX_CHANNEL 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
+#define SST_CODEC_TYPE_PCM 1
+
+struct pcm_stream_info {
+ int str_id;
+ void *mad_substream;
+ void (*period_elapsed) (void *mad_substream);
+ unsigned long long buffer_ptr;
+ int sfreq;
+};
+
+enum sst_drv_status {
+ SST_PLATFORM_INIT = 1,
+ SST_PLATFORM_STARTED,
+ SST_PLATFORM_RUNNING,
+ SST_PLATFORM_PAUSED,
+ SST_PLATFORM_DROPPED,
+};
+
+enum sst_controls {
+ SST_SND_ALLOC = 0x00,
+ SST_SND_PAUSE = 0x01,
+ SST_SND_RESUME = 0x02,
+ SST_SND_DROP = 0x03,
+ SST_SND_FREE = 0x04,
+ SST_SND_BUFFER_POINTER = 0x05,
+ SST_SND_STREAM_INIT = 0x06,
+ SST_SND_START = 0x07,
+ SST_MAX_CONTROLS = 0x07,
+};
+
+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,
+};
+
+/* 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_ops {
+ int (*open) (struct sst_stream_params *str_param);
+ int (*device_control) (int cmd, void *arg);
+ int (*close) (unsigned int str_id);
+};
+
+struct sst_runtime_stream {
+ int stream_status;
+ struct pcm_stream_info stream_info;
+ struct sst_ops *ops;
+ spinlock_t status_lock;
+};
+
+struct sst_device {
+ char *name;
+ struct device *dev;
+ struct sst_ops *ops;
+};
+
+int sst_register_dsp(struct sst_device *sst);
+int sst_unregister_dsp(struct sst_device *sst);
+#endif