65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2015-2019 NVIDIA CORPORATION. All rights reserved.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms and conditions of the GNU General Public License,
|
||
|
|
* version 2, as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __TEGRA_VIRT_ALT_IVC_H__
|
||
|
|
#define __TEGRA_VIRT_ALT_IVC_H__
|
||
|
|
|
||
|
|
#include "tegra_virt_alt_ivc_common.h"
|
||
|
|
|
||
|
|
#define NVAUDIO_IVC_WAIT_TIMEOUT 1000000
|
||
|
|
struct nvaudio_ivc_dev;
|
||
|
|
|
||
|
|
struct nvaudio_ivc_ctxt {
|
||
|
|
struct tegra_hv_ivc_cookie *ivck;
|
||
|
|
struct device *dev;
|
||
|
|
int ivc_queue;
|
||
|
|
wait_queue_head_t wait;
|
||
|
|
int timeout;
|
||
|
|
enum rx_state_t rx_state;
|
||
|
|
struct nvaudio_ivc_dev *ivcdev;
|
||
|
|
spinlock_t ivck_rx_lock;
|
||
|
|
spinlock_t ivck_tx_lock;
|
||
|
|
spinlock_t lock;
|
||
|
|
};
|
||
|
|
|
||
|
|
void nvaudio_ivc_rx(struct tegra_hv_ivc_cookie *ivck);
|
||
|
|
|
||
|
|
struct nvaudio_ivc_ctxt *nvaudio_ivc_alloc_ctxt(struct device *dev);
|
||
|
|
|
||
|
|
void nvaudio_ivc_free_ctxt(struct device *dev);
|
||
|
|
|
||
|
|
int nvaudio_ivc_send(struct nvaudio_ivc_ctxt *ictxt,
|
||
|
|
struct nvaudio_ivc_msg *msg,
|
||
|
|
int size);
|
||
|
|
|
||
|
|
int nvaudio_ivc_send_retry(struct nvaudio_ivc_ctxt *ictxt,
|
||
|
|
struct nvaudio_ivc_msg *msg,
|
||
|
|
int size);
|
||
|
|
|
||
|
|
int nvaudio_ivc_send_receive(struct nvaudio_ivc_ctxt *ictxt,
|
||
|
|
struct nvaudio_ivc_msg *msg,
|
||
|
|
int size);
|
||
|
|
|
||
|
|
int tegra124_virt_xbar_set_ivc(struct nvaudio_ivc_ctxt *ictxt,
|
||
|
|
int rx_idx,
|
||
|
|
int tx_idx);
|
||
|
|
int tegra124_virt_xbar_get_ivc(struct nvaudio_ivc_ctxt *ictxt,
|
||
|
|
int rx_idx,
|
||
|
|
int *tx_idx);
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|