patch-2.1.132 linux/include/net/irda/irda_device.h

• Lines: 153
• Date: Thu Dec 17 09:01:03 1998
• Orig file: v2.1.131/linux/include/net/irda/irda_device.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.131/linux/include/net/irda/irda_device.h linux/include/net/irda/irda_device.h
@@ -0,0 +1,152 @@
+/*********************************************************************
+ *                
+ * Filename:      irda_device.h
+ * Version:       
+ * Description:   
+ * Status:        Experimental.
+ * Author:        Haris Zukanovic <haris@stud.cs.uit.no>
+ * Created at:    Tue Apr 14 12:41:42 1998
+ * Modified at:   Thu Dec 10 21:18:25 1998
+ * Modified by:   Dag Brattli <dagb@cs.uit.no>
+ * 
+ *     Copyright (c) 1998 Haris Zukanovic, <haris@stud.cs.uit.no>
+ *     Copyright (c) 1998 Dag Brattli, <dagb@cs.uit.no>
+ *     Copyright (c) 1998 Thomas Davis, <ratbert@radiks.net>,
+ *     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 Haris Zukanovic nor University of Tromsų admit liability nor
+ *     provide warranty for any of this software. This material is 
+ *     provided "AS-IS" and at no charge.
+ *     
+ ********************************************************************/
+
+#ifndef IRDA_DEVICE_H
+#define IRDA_DEVICE_H
+
+#include <linux/tty.h>
+#include <linux/netdevice.h>
+
+#include <net/irda/irda.h>
+#include <net/irda/qos.h>
+#include <net/irda/irqueue.h>
+
+#define SIR_MODE 	0x01
+#define MIR_MODE 	0x02
+#define FIR_MODE 	0x04
+#define IO_PIO   	0x08
+#define IO_DMA		0x10
+
+#define IO_XMIT 0x01
+#define IO_RECV 0x02
+
+/* Chip specific info */
+struct chipio_t {
+        int iobase, iobase2;  /* IO base */
+        int io_ext, io_ext2;  /* Length of iobase */
+        int irq, irq2;        /* Interrupts used */
+        int fifo_size;        /* FIFO size */
+
+        int dma, dma2;        /* DMA channel used */
+        int irqflags;         /* interrupt flags (ie, SA_SHIRQ|SA_INTERRUPT) */
+	int direction;        /* Used by some FIR drivers */
+
+	int baudrate;         /* Currently used baudrate */
+	int dongle_id;        /* Dongle or transceiver currently used */
+};
+
+/* Buffer specific info */
+struct iobuff_t {
+	int state;            /* Receiving state (transmit state not used) */
+	int in_frame;         /* True if receiving frame */
+
+	__u8 *data;	      /* the buffer */
+	__u8 *head;	      /* start of data in buffer */
+	__u8 *tail;           /* end of data in buffer */
+
+	int offset;	      /* Usually data + offset = head */
+	int len;	      /* currently used bytes in buffer */
+	int truesize;	      /* total size of the data area */
+	__u16 fcs;
+
+	int flags;            /* Allocation flags (GFP_KERNEL | GFP_DMA ) */
+};
+
+/* 
+ * This structure contains data that _we_ would have liked to be in the device
+ * structure, but we don't want to mess it up more than it is already. Better 
+ * to keep the data in separate structures! This structure abstracts common 
+ * stuff from IrDA port implementations.
+ */
+struct irda_device {
+	QUEUE q; /* Must be first */
+
+        int  magic;	/* our magic bullet */
+	char name[16];
+
+	struct irlap_cb *irlap; /* The link layer we are connected to  */
+	struct device netdev;   /* Yes! we are some kind of netdevice */
+	struct enet_statistics stats;
+
+/* 	int flags; */
+
+ 	void *priv;           /* Pointer to low level implementation */
+
+	struct qos_info qos;  /* QoS capabilities for this device */
+
+	struct chipio_t io;
+	struct iobuff_t tx_buff;
+	struct iobuff_t rx_buff;
+
+	int media_busy;
+	
+	/* Media busy stuff */
+	struct timer_list media_busy_timer;
+	struct timer_list todo_timer;
+
+	int  (*hard_xmit)( struct sk_buff *skb, struct device *dev);
+        void (*change_speed)( struct irda_device *driver, int baud);
+
+ 	int (*is_receiving)(struct irda_device *);     /* receiving? */
+	/* int (*is_tbusy)(struct irda_device *); */   /* transmitting? */
+	void (*wait_until_sent)(struct irda_device *);
+
+	int new_speed; /* Will be removed in future */
+};
+
+extern hashbin_t *irda_device;
+
+/* Function prototypes */
+int  irda_device_init( void);
+void irda_device_cleanup( void);
+
+int  irda_device_open( struct irda_device *, char *name, void *priv);
+void irda_device_close( struct irda_device *);
+
+/* Interface to be uses by IrLAP */
+inline void irda_device_set_media_busy( struct irda_device *, int status);
+inline int  irda_device_is_media_busy( struct irda_device *);
+inline int  irda_device_is_receiving( struct irda_device *);
+inline void irda_device_change_speed( struct irda_device *, int);
+
+inline struct qos_info *irda_device_get_qos( struct irda_device *self);
+int irda_device_txqueue_empty( struct irda_device *self);
+
+int irda_device_setup( struct device *dev);
+
+__inline__ int irda_get_mtt( struct sk_buff *skb);
+
+void setup_dma( int channel, char *buffer, int count, int mode);
+
+#endif
+
+
+
+
+
+
+