Files
Kernel/include/bcm963xx/bcmSpi.h

79 lines
2.5 KiB
C

/*
Copyright 2000-2010 Broadcom Corporation
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
(the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
with the following added to such license:
As a special exception, the copyright holders of this software give
you permission to link this software with independent modules, and to
copy and distribute the resulting executable under terms of your
choice, provided that you also meet, for each linked independent
module, the terms and conditions of the license of that module.
An independent module is a module which is not derived from this
software. The special exception does not apply to any modifications
of the software.
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.
*/
#ifndef __BCM_SPI_H__
#define __BCM_SPI_H__
#ifndef _CFE_
#include <linux/autoconf.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
struct bcmspi_xferInfo
{
struct spi_transfer *pCurXfer;
u32 remTxLen;
u32 remRxLen;
u32 prependCnt;
u16 maxLen;
char *rxBuf;
const char *txBuf;
u16 msgType;
u32 addr;
u8 addrLen;
u8 addrOffset;
unsigned char header[16];
unsigned char *pHdr;
u8 bitRedux;
u32 delayUsecs;
};
struct bcmspi
{
spinlock_t lock;
unsigned int bus_num;
unsigned int num_chipselect;
struct list_head queue;
struct platform_device *pdev;
u8 stopping;
struct spi_message *pCurMsg;
u8 xferIdx;
u8 pingProgNext;
u8 pingEndNext;
u8 ping0Started;
u8 ping0Xfer;
u8 ping1Started;
u8 ping1Xfer;
struct bcmspi_xferInfo spiXfer[2];
};
#endif
#endif /* __BCM_SPI_H__ */