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/*
* drivers/video/tegra/host/host1x/host1x_cdma.h
*
* Tegra Graphics Host Channel
*
* Copyright (c) 2011-2012, NVIDIA Corporation.
*
* 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 __NVHOST_HOST1X_HOST1X_CDMA_H
#define __NVHOST_HOST1X_HOST1X_CDMA_H
/* Size of the sync queue. If it is too small, we won't be able to queue up
* many command buffers. If it is too large, we waste memory. */
#define NVHOST_SYNC_QUEUE_SIZE 512
/* Number of gathers we allow to be queued up per channel. Must be a
* power of two. Currently sized such that pushbuffer is 4KB (512*8B). */
#define NVHOST_GATHER_QUEUE_SIZE 512
/* 8 bytes per slot. (This number does not include the final RESTART.) */
#define PUSH_BUFFER_SIZE (NVHOST_GATHER_QUEUE_SIZE * 8)
/* 4K page containing GATHERed methods to increment channel syncpts
* and replaces the original timed out contexts GATHER slots */
#define SYNCPT_INCR_BUFFER_SIZE_WORDS (4096 / sizeof(u32))
struct nvhost_chip_support;
int host1x_init_cdma_support(struct nvhost_chip_support *);
#endif
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