56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
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/* Copyright (c) 2010-2011, 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 __APR_TAL_H_
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#define __APR_TAL_H_
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#include <linux/kernel.h>
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#include <linux/kthread.h>
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#include <linux/uaccess.h>
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/* APR Client IDs */
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#define APR_CLIENT_AUDIO 0x0
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#define APR_CLIENT_VOICE 0x1
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#define APR_CLIENT_MAX 0x2
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#define APR_DL_SMD 0
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#define APR_DL_MAX 1
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#define APR_DEST_MODEM 0
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#define APR_DEST_QDSP6 1
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#define APR_DEST_MAX 2
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#define APR_MAX_BUF 8192
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#define APR_OPEN_TIMEOUT_MS 5000
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typedef void (*apr_svc_cb_fn)(void *buf, int len, void *priv);
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struct apr_svc_ch_dev *apr_tal_open(uint32_t svc, uint32_t dest,
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uint32_t dl, apr_svc_cb_fn func, void *priv);
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int apr_tal_write(struct apr_svc_ch_dev *apr_ch, void *data, int len);
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int apr_tal_close(struct apr_svc_ch_dev *apr_ch);
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struct apr_svc_ch_dev {
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struct smd_channel *ch;
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spinlock_t lock;
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spinlock_t w_lock;
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struct mutex m_lock;
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apr_svc_cb_fn func;
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char data[APR_MAX_BUF];
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wait_queue_head_t wait;
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void *priv;
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uint32_t smd_state;
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wait_queue_head_t dest;
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uint32_t dest_state;
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};
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#endif
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