forked from Minki/linux
404bfb78da
Add support for the Host1x unit to be located behind an IOMMU. This is required when gather buffers may be allocated non-contiguously in physical memory, as can be the case when TegraDRM is also using the IOMMU. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
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* Tegra host1x Job
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*
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* Copyright (c) 2011-2013, NVIDIA Corporation.
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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 __HOST1X_JOB_H
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#define __HOST1X_JOB_H
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struct host1x_job_gather {
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u32 words;
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dma_addr_t base;
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struct host1x_bo *bo;
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u32 offset;
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bool handled;
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};
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struct host1x_cmdbuf {
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u32 handle;
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u32 offset;
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u32 words;
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u32 pad;
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};
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struct host1x_waitchk {
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struct host1x_bo *bo;
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u32 offset;
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u32 syncpt_id;
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u32 thresh;
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};
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struct host1x_job_unpin_data {
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struct host1x_bo *bo;
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struct sg_table *sgt;
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size_t size;
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};
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/*
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* Dump contents of job to debug output.
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*/
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void host1x_job_dump(struct device *dev, struct host1x_job *job);
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#endif
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