forked from rrcarlosr/Jetpack
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
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* Copyright (c) 2015-2019 NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TEGRA_VIRT_ALT_IVC_H__
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#define __TEGRA_VIRT_ALT_IVC_H__
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#include "tegra_virt_alt_ivc_common.h"
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#define NVAUDIO_IVC_WAIT_TIMEOUT 1000000
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struct nvaudio_ivc_dev;
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struct nvaudio_ivc_ctxt {
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struct tegra_hv_ivc_cookie *ivck;
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struct device *dev;
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int ivc_queue;
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wait_queue_head_t wait;
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int timeout;
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enum rx_state_t rx_state;
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struct nvaudio_ivc_dev *ivcdev;
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spinlock_t ivck_rx_lock;
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spinlock_t ivck_tx_lock;
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spinlock_t lock;
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};
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void nvaudio_ivc_rx(struct tegra_hv_ivc_cookie *ivck);
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struct nvaudio_ivc_ctxt *nvaudio_ivc_alloc_ctxt(struct device *dev);
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void nvaudio_ivc_free_ctxt(struct device *dev);
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int nvaudio_ivc_send(struct nvaudio_ivc_ctxt *ictxt,
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struct nvaudio_ivc_msg *msg,
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int size);
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int nvaudio_ivc_send_retry(struct nvaudio_ivc_ctxt *ictxt,
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struct nvaudio_ivc_msg *msg,
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int size);
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int nvaudio_ivc_send_receive(struct nvaudio_ivc_ctxt *ictxt,
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struct nvaudio_ivc_msg *msg,
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int size);
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int tegra124_virt_xbar_set_ivc(struct nvaudio_ivc_ctxt *ictxt,
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int rx_idx,
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int tx_idx);
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int tegra124_virt_xbar_get_ivc(struct nvaudio_ivc_ctxt *ictxt,
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int rx_idx,
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int *tx_idx);
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#endif
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