| Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | #ifndef AUDIO_LPA_H |
| 14 | #define AUDIO_LPA_H |
| 15 | |
| 16 | #include <linux/earlysuspend.h> |
| 17 | #include <linux/wakelock.h> |
| 18 | |
| 19 | #define ADRV_STATUS_OBUF_GIVEN 0x00000001 |
| 20 | #define ADRV_STATUS_IBUF_GIVEN 0x00000002 |
| 21 | #define ADRV_STATUS_FSYNC 0x00000004 |
| 22 | #define ADRV_STATUS_PAUSE 0x00000008 |
| 23 | |
| Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 24 | struct buffer { |
| 25 | void *data; |
| 26 | unsigned size; |
| 27 | unsigned used; /* Input usage actual DSP produced PCM size */ |
| 28 | unsigned addr; |
| 29 | }; |
| 30 | |
| 31 | #ifdef CONFIG_HAS_EARLYSUSPEND |
| 32 | struct audlpa_suspend_ctl { |
| 33 | struct early_suspend node; |
| 34 | struct audio *audio; |
| 35 | }; |
| 36 | #endif |
| 37 | |
| 38 | struct codec_operations { |
| 39 | long (*ioctl)(struct file *, unsigned int, unsigned long); |
| 40 | int (*set_params)(void *); |
| 41 | }; |
| 42 | |
| 43 | struct audio { |
| 44 | spinlock_t dsp_lock; |
| 45 | |
| 46 | uint8_t out_needed; /* number of buffers the dsp is waiting for */ |
| 47 | struct list_head out_queue; /* queue to retain output buffers */ |
| 48 | |
| 49 | struct mutex lock; |
| 50 | struct mutex write_lock; |
| 51 | wait_queue_head_t write_wait; |
| 52 | |
| 53 | struct audio_client *ac; |
| 54 | |
| 55 | /* configuration to use on next enable */ |
| 56 | uint32_t out_sample_rate; |
| 57 | uint32_t out_channel_mode; |
| 58 | uint32_t out_bits; /* bits per sample (used by PCM decoder) */ |
| 59 | |
| 60 | int32_t phys; /* physical address of write buffer */ |
| 61 | |
| 62 | uint32_t drv_status; |
| 63 | int wflush; /* Write flush */ |
| 64 | int opened; |
| 65 | int out_enabled; |
| 66 | int out_prefill; |
| 67 | int running; |
| 68 | int stopped; /* set when stopped, cleared on flush */ |
| 69 | int buf_refresh; |
| 70 | int teos; /* valid only if tunnel mode & no data left for decoder */ |
| 71 | |
| 72 | #ifdef CONFIG_HAS_EARLYSUSPEND |
| 73 | struct audlpa_suspend_ctl suspend_ctl; |
| 74 | #endif |
| 75 | |
| 76 | struct wake_lock wakelock; |
| 77 | #ifdef CONFIG_DEBUG_FS |
| 78 | struct dentry *dentry; |
| 79 | #endif |
| 80 | |
| 81 | wait_queue_head_t wait; |
| 82 | struct list_head free_event_queue; |
| 83 | struct list_head event_queue; |
| 84 | wait_queue_head_t event_wait; |
| 85 | spinlock_t event_queue_lock; |
| 86 | struct mutex get_event_lock; |
| 87 | int event_abort; |
| 88 | |
| 89 | uint32_t device_events; |
| 90 | |
| 91 | struct list_head pmem_region_queue; /* protected by lock */ |
| 92 | |
| 93 | int eq_enable; |
| 94 | int eq_needs_commit; |
| 95 | uint32_t volume; |
| 96 | |
| 97 | unsigned int minor_no; |
| 98 | struct codec_operations codec_ops; |
| 99 | uint32_t buffer_size; |
| 100 | uint32_t buffer_count; |
| 101 | uint32_t bytes_consumed; |
| 102 | }; |
| 103 | |
| 104 | #endif /* !AUDIO_LPA_H */ |