/********************************************************************* * * sir.h: include file for irda-sir device abstraction layer * * Copyright (c) 2002 Martin Diehl * * 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. * ********************************************************************/ #ifndef IRDA_SIR_H #define IRDA_SIR_H #include <linux/netdevice.h> #include <linux/workqueue.h> #include <net/irda/irda.h> #include <net/irda/irda_device.h> // iobuff_t struct sir_fsm { struct semaphore sem; struct delayed_work work; unsigned state, substate; int param; int result; }; #define SIRDEV_STATE_WAIT_TX_COMPLETE 0x0100 /* substates for wait_tx_complete */ #define SIRDEV_STATE_WAIT_XMIT 0x0101 #define SIRDEV_STATE_WAIT_UNTIL_SENT 0x0102 #define SIRDEV_STATE_TX_DONE 0x0103 #define SIRDEV_STATE_DONGLE_OPEN 0x0300 /* 0x0301-0x03ff reserved for individual dongle substates */ #define SIRDEV_STATE_DONGLE_CLOSE 0x0400 /* 0x0401-0x04ff reserved for individual dongle substates */ #define SIRDEV_STATE_SET_DTR_RTS 0x0500 #define SIRDEV_STATE_SET_SPEED 0x0700 #define SIRDEV_STATE_DONGLE_CHECK 0x0800 #define SIRDEV_STATE_DONGLE_RESET 0x0900 /* 0x0901-0x09ff reserved for individual dongle substates */ #define SIRDEV_STATE_DONGLE_SPEED 0x0a00 /* 0x0a01-0x0aff reserved for individual dongle substates */ #define SIRDEV_STATE_PORT_SPEED 0x0b00 #define SIRDEV_STATE_DONE 0x0c00 #define SIRDEV_STATE_ERROR 0x0d00 #define SIRDEV_STATE_COMPLETE 0x0e00 #define SIRDEV_STATE_DEAD 0xffff struct sir_dev; struct dongle_driver { struct module *owner; const char *driver_name; IRDA_DONGLE type; int (*open)(struct sir_dev *dev); int (*close)(struct sir_dev *dev); int (*reset)(struct sir_dev *dev); int (*set_speed)(struct sir_dev *dev, unsigned speed); struct list_head dongle_list; }; struct sir_driver { struct module *owner; const char *driver_name; int qos_mtt_bits; int (*chars_in_buffer)(struct sir_dev *dev); void (*wait_until_sent)(struct sir_dev *dev); int (*set_speed)(struct sir_dev *dev, unsigned speed); int (*set_dtr_rts)(struct sir_dev *dev, int dtr, int rts); int (*do_write)(struct sir_dev *dev, const unsigned char *ptr, size_t len); int (*start_dev)(struct sir_dev *dev); int (*stop_dev)(struct sir_dev *dev); }; /* exported */ extern int irda_register_dongle(struct dongle_driver *new); extern int irda_unregister_dongle(struct dongle_driver *drv); extern struct sir_dev * sirdev_get_instance(const struct sir_driver *drv, const char *name); extern int sirdev_put_instance(struct sir_dev *self); extern int sirdev_set_dongle(struct sir_dev *dev, IRDA_DONGLE type); extern void sirdev_write_complete(struct sir_dev *dev); extern int sirdev_receive(struct sir_dev *dev, const unsigned char *cp, size_t count); /* low level helpers for SIR device/dongle setup */ extern int sirdev_raw_write(struct sir_dev *dev, const char *buf, int len); extern int sirdev_raw_read(struct sir_dev *dev, char *buf, int len); extern int sirdev_set_dtr_rts(struct sir_dev *dev, int dtr, int rts); /* not exported */ extern int sirdev_get_dongle(struct sir_dev *self, IRDA_DONGLE type); extern int sirdev_put_dongle(struct sir_dev *self); extern void sirdev_enable_rx(struct sir_dev *dev); extern int sirdev_schedule_request(struct sir_dev *dev, int state, unsigned param); /* inline helpers */ static inline int sirdev_schedule_speed(struct sir_dev *dev, unsigned speed) { return sirdev_schedule_request(dev, SIRDEV_STATE_SET_SPEED, speed); } static inline int sirdev_schedule_dongle_open(struct sir_dev *dev, int dongle_id) { return sirdev_schedule_request(dev, SIRDEV_STATE_DONGLE_OPEN, dongle_id); } static inline int sirdev_schedule_dongle_close(struct sir_dev *dev) { return sirdev_schedule_request(dev, SIRDEV_STATE_DONGLE_CLOSE, 0); } static inline int sirdev_schedule_dtr_rts(struct sir_dev *dev, int dtr, int rts) { int dtrrts; dtrrts = ((dtr) ? 0x02 : 0x00) | ((rts) ? 0x01 : 0x00); return sirdev_schedule_request(dev, SIRDEV_STATE_SET_DTR_RTS, dtrrts); } #if 0 static inline int sirdev_schedule_mode(struct sir_dev *dev, int mode) { return sirdev_schedule_request(dev, SIRDEV_STATE_SET_MODE, mode); } #endif struct sir_dev { struct net_device *netdev; struct net_device_stats stats; struct irlap_cb *irlap; struct qos_info qos; char hwname[32]; struct sir_fsm fsm; atomic_t enable_rx; int raw_tx; spinlock_t tx_lock; u32 new_speed; u32 flags; unsigned speed; iobuff_t tx_buff; /* Transmit buffer */ iobuff_t rx_buff; /* Receive buffer */ struct sk_buff *tx_skb; const struct dongle_driver * dongle_drv; const struct sir_driver * drv; void *priv; }; #endif /* IRDA_SIR_H */