/* * drivers/video/tegra/host/host1x/host1x_cdma.h * * Tegra Graphics Host Command DMA * * Copyright (c) 2011-2013, 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 . */ #ifndef __NVHOST_HOST1X_HOST1X_CDMA_H #define __NVHOST_HOST1X_HOST1X_CDMA_H /* 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)) #endif