android_kernel_xiaomi_sm8350/drivers/net/irda/irport.h
Jeff Garzik c31f28e778 drivers/net: eliminate irq handler impossible checks, needless casts
- Eliminate check for irq handler 'dev_id==NULL' where the
  condition never occurs.

- Eliminate needless casts to/from void*

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-06 14:56:04 -04:00

81 lines
2.4 KiB
C

/*********************************************************************
*
* Filename: irport.h
* Version: 0.1
* Description: Serial driver for IrDA
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Sun Aug 3 13:49:59 1997
* Modified at: Fri Jan 14 10:21:10 2000
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1997, 1998-2000 Dag Brattli <dagb@cs.uit.no>
* All Rights Reserved.
*
* 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.
*
* Neither Dag Brattli nor University of Tromsø admit liability nor
* provide warranty for any of this software. This material is
* provided "AS-IS" and at no charge.
*
********************************************************************/
#ifndef IRPORT_H
#define IRPORT_H
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <net/irda/irda_device.h>
#define SPEED_DEFAULT 9600
#define SPEED_MAX 115200
/*
* These are the supported serial types.
*/
#define PORT_UNKNOWN 0
#define PORT_8250 1
#define PORT_16450 2
#define PORT_16550 3
#define PORT_16550A 4
#define PORT_CIRRUS 5
#define PORT_16650 6
#define PORT_MAX 6
#define FRAME_MAX_SIZE 2048
struct irport_cb {
struct net_device *netdev; /* Yes! we are some kind of netdevice */
struct net_device_stats stats;
struct irlap_cb *irlap; /* The link layer we are attached to */
chipio_t io; /* IrDA controller information */
iobuff_t tx_buff; /* Transmit buffer */
iobuff_t rx_buff; /* Receive buffer */
struct qos_info qos; /* QoS capabilities for this device */
dongle_t *dongle; /* Dongle driver */
__u32 flags; /* Interface flags */
__u32 new_speed;
int mode;
int index; /* Instance index */
int transmitting; /* Are we transmitting ? */
spinlock_t lock; /* For serializing operations */
/* For piggyback drivers */
void *priv;
void (*change_speed)(void *priv, __u32 speed);
irqreturn_t (*interrupt)(int irq, void *dev_id);
};
#endif /* IRPORT_H */