diff options
Diffstat (limited to 'include/sound/qdsp6v2/apr_tal.h')
| -rw-r--r-- | include/sound/qdsp6v2/apr_tal.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/sound/qdsp6v2/apr_tal.h b/include/sound/qdsp6v2/apr_tal.h new file mode 100644 index 000000000000..dd6442462e3a --- /dev/null +++ b/include/sound/qdsp6v2/apr_tal.h @@ -0,0 +1,55 @@ +/* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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. + * + */ +#ifndef __APR_TAL_H_ +#define __APR_TAL_H_ + +#include <linux/kernel.h> +#include <linux/kthread.h> +#include <linux/uaccess.h> + +/* APR Client IDs */ +#define APR_CLIENT_AUDIO 0x0 +#define APR_CLIENT_VOICE 0x1 +#define APR_CLIENT_MAX 0x2 + +#define APR_DL_SMD 0 +#define APR_DL_MAX 1 + +#define APR_DEST_MODEM 0 +#define APR_DEST_QDSP6 1 +#define APR_DEST_MAX 2 + +#define APR_MAX_BUF 8192 + +#define APR_OPEN_TIMEOUT_MS 5000 + +typedef void (*apr_svc_cb_fn)(void *buf, int len, void *priv); +struct apr_svc_ch_dev *apr_tal_open(uint32_t svc, uint32_t dest, + uint32_t dl, apr_svc_cb_fn func, void *priv); +int apr_tal_write(struct apr_svc_ch_dev *apr_ch, void *data, int len); +int apr_tal_close(struct apr_svc_ch_dev *apr_ch); +struct apr_svc_ch_dev { + struct smd_channel *ch; + spinlock_t lock; + spinlock_t w_lock; + struct mutex m_lock; + apr_svc_cb_fn func; + char data[APR_MAX_BUF]; + wait_queue_head_t wait; + void *priv; + uint32_t smd_state; + wait_queue_head_t dest; + uint32_t dest_state; +}; + +#endif |