mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 11:44:01 +08:00
c326de88b8
This is a revised patch that permits a shifted access to the LAN9221 registers. More specifically: It adds a shift parameter in the platform_data. It introduces an ops in smsc911x_data. A choice of access function to use at run-time. Four new shifted access function. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/***************************************************************************
|
|
*
|
|
* Copyright (C) 2004-2008 SMSC
|
|
* Copyright (C) 2005-2008 ARM
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
***************************************************************************/
|
|
#ifndef __LINUX_SMSC911X_H__
|
|
#define __LINUX_SMSC911X_H__
|
|
|
|
#include <linux/phy.h>
|
|
|
|
/* platform_device configuration data, should be assigned to
|
|
* the platform_device's dev.platform_data */
|
|
struct smsc911x_platform_config {
|
|
unsigned int irq_polarity;
|
|
unsigned int irq_type;
|
|
unsigned int flags;
|
|
unsigned int shift;
|
|
phy_interface_t phy_interface;
|
|
unsigned char mac[6];
|
|
};
|
|
|
|
/* Constants for platform_device irq polarity configuration */
|
|
#define SMSC911X_IRQ_POLARITY_ACTIVE_LOW 0
|
|
#define SMSC911X_IRQ_POLARITY_ACTIVE_HIGH 1
|
|
|
|
/* Constants for platform_device irq type configuration */
|
|
#define SMSC911X_IRQ_TYPE_OPEN_DRAIN 0
|
|
#define SMSC911X_IRQ_TYPE_PUSH_PULL 1
|
|
|
|
/* Constants for flags */
|
|
#define SMSC911X_USE_16BIT (BIT(0))
|
|
#define SMSC911X_USE_32BIT (BIT(1))
|
|
#define SMSC911X_FORCE_INTERNAL_PHY (BIT(2))
|
|
#define SMSC911X_FORCE_EXTERNAL_PHY (BIT(3))
|
|
#define SMSC911X_SAVE_MAC_ADDRESS (BIT(4))
|
|
|
|
/*
|
|
* SMSC911X_SWAP_FIFO:
|
|
* Enables software byte swap for fifo data. Should only be used as a
|
|
* "last resort" in the case of big endian mode on boards with incorrectly
|
|
* routed data bus to older devices such as LAN9118. Newer devices such as
|
|
* LAN9221 can handle this in hardware, there are registers to control
|
|
* this swapping but the driver doesn't currently use them.
|
|
*/
|
|
#define SMSC911X_SWAP_FIFO (BIT(5))
|
|
|
|
#endif /* __LINUX_SMSC911X_H__ */
|