107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
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/* Copyright (c) 2011-2013, 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 __Q6_USM_H__
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#define __Q6_USM_H__
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#include <mach/qdsp6v2/apr_us.h>
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#define Q6USM_EVENT_UNDEF 0
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#define Q6USM_EVENT_READ_DONE 1
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#define Q6USM_EVENT_WRITE_DONE 2
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#define Q6USM_EVENT_SIGNAL_DETECT_RESULT 3
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/* cyclic buffer with 1 gap support */
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#define USM_MIN_BUF_CNT 3
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#define FORMAT_USPS_EPOS 0x00000000
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#define FORMAT_USRAW 0x00000001
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#define FORMAT_USPROX 0x00000002
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#define INVALID_FORMAT 0xffffffff
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#define IN 0x000
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#define OUT 0x001
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#define USM_WRONG_TOKEN 0xffffffff
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#define USM_UNDEF_TOKEN 0xfffffffe
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#define CMD_CLOSE 0x0004
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/* bit 0:1 represents priority of stream */
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#define STREAM_PRIORITY_NORMAL 0x0000
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#define STREAM_PRIORITY_LOW 0x0001
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#define STREAM_PRIORITY_HIGH 0x0002
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/* bit 4 represents META enable of encoded data buffer */
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#define BUFFER_META_ENABLE 0x0010
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struct us_port_data {
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dma_addr_t phys;
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/* cyclic region of buffers with 1 gap */
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void *data;
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/* number of buffers in the region */
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uint32_t buf_cnt;
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/* size of buffer */
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uint32_t buf_size;
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/* write index */
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uint32_t dsp_buf;
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/* read index */
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uint32_t cpu_buf;
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/* expected token from dsp */
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uint32_t expected_token;
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/* read or write locks */
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struct mutex lock;
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spinlock_t dsp_lock;
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/* extended parameters, related to q6 variants */
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void *ext;
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};
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struct us_client {
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int session;
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/* idx:1 out port, 0: in port*/
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struct us_port_data port[2];
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struct apr_svc *apr;
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struct mutex cmd_lock;
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atomic_t cmd_state;
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atomic_t eos_state;
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wait_queue_head_t cmd_wait;
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void (*cb)(uint32_t, uint32_t, uint32_t *, void *);
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void *priv;
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};
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int q6usm_run(struct us_client *usc, uint32_t flags,
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uint32_t msw_ts, uint32_t lsw_ts);
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int q6usm_cmd(struct us_client *usc, int cmd);
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int q6usm_us_client_buf_alloc(unsigned int dir, struct us_client *usc,
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unsigned int bufsz, unsigned int bufcnt);
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int q6usm_enc_cfg_blk(struct us_client *usc, struct us_encdec_cfg *us_cfg);
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int q6usm_dec_cfg_blk(struct us_client *usc, struct us_encdec_cfg *us_cfg);
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int q6usm_read(struct us_client *usc, uint32_t read_ind);
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struct us_client *q6usm_us_client_alloc(
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void (*cb)(uint32_t, uint32_t, uint32_t *, void *),
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void *priv);
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int q6usm_open_read(struct us_client *usc, uint32_t format);
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void q6usm_us_client_free(struct us_client *usc);
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uint32_t q6usm_get_virtual_address(int dir, struct us_client *usc,
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struct vm_area_struct *vms);
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int q6usm_open_write(struct us_client *usc, uint32_t format);
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int q6usm_write(struct us_client *usc, uint32_t write_ind);
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bool q6usm_is_write_buf_full(struct us_client *usc, uint32_t *free_region);
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int q6usm_set_us_detection(struct us_client *usc,
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struct usm_session_cmd_detect_info *detect_info,
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uint16_t detect_info_size);
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#endif /* __Q6_USM_H__ */
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