/*****************************************************************************
* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available at
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*****************************************************************************/
/****************************************************************************/
/**
* @file dma.c
*
* @brief Implements the DMA interface.
*/
/****************************************************************************/
/* ---- Include Files ---------------------------------------------------- */
#include <linux/module.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/irqreturn.h>
#include <linux/proc_fs.h>
#include <linux/slab.h>
#include <mach/timer.h>
#include <linux/pfn.h>
#include <linux/atomic.h>
#include <linux/sched.h>
#include <mach/dma.h>
/* ---- Public Variables ------------------------------------------------- */
/* ---- Private Constants and Types -------------------------------------- */
#define MAKE_HANDLE(controllerIdx, channelIdx) (((controllerIdx) << 4) | (channelIdx))
#define CONTROLLER_FROM_HANDLE(handle) (((handle) >> 4) & 0x0f)
#define CHANNEL_FROM_HANDLE(handle) ((handle) & 0x0f)
/* ---- Private Variables ------------------------------------------------ */
static DMA_Global_t gDMA;
static struct proc_dir_entry *</
