/* * Copyright (C) 2008 Google, Inc. * Copyright (C) 2008 HTC Corporation * Copyright (c) 2012-2015 The Linux Foundation. All rights reserved. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * 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, you can find it at http://www.fsf.org. */ #ifndef _MSM_PCM_H #define _MSM_PCM_H #include <sound/apr_audio-v2.h> #include <sound/q6asm-v2.h> /* Support unconventional sample rates 12000, 24000 as well */ #define USE_RATE \ (SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT) extern int copy_count; struct buffer { void *data; unsigned size; unsigned used; unsigned addr; }; struct buffer_rec { void *data; unsigned int size; unsigned int read; unsigned int addr; }; struct audio_locks { spinlock_t event_lock; wait_queue_head_t read_wait; wait_queue_head_t write_wait; wait_queue_head_t eos_wait; wait_queue_head_t enable_wait; wait_queue_head_t flush_wait; }; struct msm_audio_in_frame_info { uint32_t size; uint32_t offset; }; #define PLAYBACK_MIN_NUM_PERIODS 2 #define PLAYBACK_MAX_NUM_PERIODS 8 #define PLAYBACK_MAX_PERIOD_SIZE 12288 #define PLAYBACK_MIN_PERIOD_SIZE 128 #define CAPTURE_MIN_NUM_PERIODS 2 #define CAPTURE_MAX_NUM_PERIODS 8 #define CAPTURE_MAX_PERIOD_SIZE 16384 #define CAPTURE_MIN_PERIOD_SIZE 320 struct msm_audio { struct snd_pcm_substream *substream; unsigned int pcm_size; unsigned int pcm_count; unsigned int pcm_irq_pos; /* IRQ position */ uint16_t source; /* Encoding source bit mask */ struct audio_client *audio_client; uint16_t session_id; uint32_t samp_rate; uint32_t channel_mode; uint32_t dsp_cnt; int abort; /* set when error, like sample rate mismatch */ bool reset_event; int enabled; int close_ack; int cmd_ack; /* * cmd_ack doesn't tell if paticular command has been sent so can't * determine if it needs to wait for completion. * Use cmd_pending instead when checking whether a command is been * sent or not. */ unsigned long cmd_pending; atomic_t start; atomic_t stop; atomic_t out_count; atomic_t in_count; atomic_t out_needed; atomic_t eos; int out_head; int periods; int mmap_flag; atomic_t pending_buffer; bool set_channel_map; char channel_map[8]; int cmd_interrupt; bool meta_data_mode; uint32_t volume; /* array of frame info */ struct msm_audio_in_frame_info in_frame_info[CAPTURE_MAX_NUM_PERIODS]; }; struct output_meta_data_st { uint32_t meta_data_length; uint32_t frame_size; uint32_t timestamp_lsw; uint32_t timestamp_msw; uint32_t reserved[12]; }; struct msm_plat_data { int perf_mode; }; #endif /*_MSM_PCM_H*/