141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
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/* Copyright (c) 2010, 2012, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef CODEC_UTILS_H
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#define CODEC_UTILS_H
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#include <linux/earlysuspend.h>
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#define ADRV_STATUS_AIO_INTF 0x00000001
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#define ADRV_STATUS_OBUF_GIVEN 0x00000002
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#define ADRV_STATUS_IBUF_GIVEN 0x00000004
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#define ADRV_STATUS_FSYNC 0x00000008
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#define PCM_BUFSZ_MIN 4800 /* Hold one stereo MP3 frame */
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#define PCM_BUF_MAX_COUNT 5 /* DSP only accepts 5 buffers at most
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but support 2 buffers currently */
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#define ROUTING_MODE_FTRT 1
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#define ROUTING_MODE_RT 2
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/* Decoder status received from AUDPPTASK */
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#define AUDPP_DEC_STATUS_SLEEP 0
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#define AUDPP_DEC_STATUS_INIT 1
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#define AUDPP_DEC_STATUS_CFG 2
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#define AUDPP_DEC_STATUS_PLAY 3
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#define AUDPP_DEC_STATUS_EOS 5
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/* worst case delay of 3secs(3000ms) for AV Sync Query response */
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#define AVSYNC_EVENT_TIMEOUT 3000
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struct buffer {
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void *data;
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unsigned size;
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unsigned used; /* Input usage actual DSP produced PCM size */
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unsigned addr;
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};
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struct audio;
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#ifdef CONFIG_HAS_EARLYSUSPEND
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struct audio_suspend_ctl {
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struct early_suspend node;
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struct audio *audio;
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};
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#endif
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struct codec_operations {
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long (*ioctl)(struct file *, unsigned int, unsigned long);
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void (*adec_params)(struct audio *);
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};
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struct audio {
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spinlock_t dsp_lock;
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uint8_t out_needed; /* number of buffers the dsp is waiting for */
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struct list_head out_queue; /* queue to retain output buffers */
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atomic_t out_bytes;
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struct mutex lock;
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struct mutex write_lock;
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wait_queue_head_t write_wait;
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struct msm_adsp_module *audplay;
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/* configuration to use on next enable */
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uint32_t out_sample_rate;
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uint32_t out_channel_mode;
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uint32_t out_bits; /* bits per sample (used by PCM decoder) */
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/* data allocated for various buffers */
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char *data;
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int32_t phys; /* physical address of write buffer */
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uint32_t drv_status;
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int wflush; /* Write flush */
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int opened;
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int enabled;
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int running;
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int stopped; /* set when stopped, cleared on flush */
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int buf_refresh;
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int teos; /* valid only if tunnel mode & no data left for decoder */
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enum msm_aud_decoder_state dec_state; /* Represents decoder state */
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int reserved; /* A byte is being reserved */
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char rsv_byte; /* Handle odd length user data */
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const char *module_name;
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unsigned queue_id;
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uint16_t dec_id;
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uint32_t read_ptr_offset;
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int16_t source;
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#ifdef CONFIG_HAS_EARLYSUSPEND
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struct audio_suspend_ctl suspend_ctl;
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#endif
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#ifdef CONFIG_DEBUG_FS
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struct dentry *dentry;
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#endif
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wait_queue_head_t wait;
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struct list_head free_event_queue;
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struct list_head event_queue;
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wait_queue_head_t event_wait;
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spinlock_t event_queue_lock;
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struct mutex get_event_lock;
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int event_abort;
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/* AV sync Info */
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int avsync_flag; /* Flag to indicate feedback from DSP */
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wait_queue_head_t avsync_wait;/* Wait queue for AV Sync Message */
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/* flags, 48 bits sample/bytes counter per channel */
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uint16_t avsync[AUDPP_AVSYNC_CH_COUNT * AUDPP_AVSYNC_NUM_WORDS + 1];
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uint32_t device_events;
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uint32_t device_switch; /* Flag to indicate device switch */
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uint64_t bytecount_consumed;
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uint64_t bytecount_head;
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uint64_t bytecount_given;
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uint64_t bytecount_query;
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struct list_head ion_region_queue; /* protected by lock */
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struct ion_client *client;
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int eq_enable;
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int eq_needs_commit;
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struct audpp_cmd_cfg_object_params_eqalizer eq;
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struct audpp_cmd_cfg_object_params_volume vol_pan;
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unsigned int minor_no;
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struct codec_operations codec_ops;
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uint32_t buffer_size;
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uint32_t buffer_count;
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};
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#endif /* !CODEC_UTILS_H */
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