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git://nv-tegra.nvidia.com/linux-nv-oot.git
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420b84b69d
When channels are kept open over a suspend cycle, we need to re-initialize CDMA after resume. Bug 4133027 Change-Id: I9a2737b377a9ffb37e5f98703b7928bfceab58e3 Signed-off-by: Mainak Sen <msen@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2963164 Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
43 lines
953 B
C
43 lines
953 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Tegra host1x Channel
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*
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* Copyright (c) 2010-2013, NVIDIA Corporation.
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*/
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#ifndef __HOST1X_CHANNEL_H
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#define __HOST1X_CHANNEL_H
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#include <linux/io.h>
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#include <linux/kref.h>
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#include "cdma.h"
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struct host1x;
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struct host1x_channel;
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struct host1x_channel_list {
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struct host1x_channel *channels;
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unsigned long *allocated_channels;
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};
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struct host1x_channel {
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struct kref refcount;
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unsigned int id;
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struct mutex submitlock;
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void __iomem *regs;
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struct host1x_client *client;
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struct device *dev;
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struct host1x_cdma cdma;
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};
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/* channel list operations */
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int host1x_channel_list_init(struct host1x_channel_list *chlist,
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unsigned int num_channels);
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void host1x_channel_list_free(struct host1x_channel_list *chlist);
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struct host1x_channel *host1x_channel_get_index(struct host1x *host,
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unsigned int index);
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void host1x_channel_list_stop(struct host1x_channel_list *chlist);
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#endif
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