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path: root/drivers/net/irda/sir-dev.h
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Diffstat (limited to 'drivers/net/irda/sir-dev.h')
-rw-r--r--drivers/net/irda/sir-dev.h202
1 files changed, 202 insertions, 0 deletions
diff --git a/drivers/net/irda/sir-dev.h b/drivers/net/irda/sir-dev.h
new file mode 100644
index 000000000000..f0b8bc3637e5
--- /dev/null
+++ b/drivers/net/irda/sir-dev.h
@@ -0,0 +1,202 @@
+/*********************************************************************
+ *
+ * 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 <net/irda/irda.h>
+#include <net/irda/irda_device.h> // iobuff_t
+
+/* FIXME: unify irda_request with sir_fsm! */
+
+struct irda_request {
+ struct list_head lh_request;
+ unsigned long pending;
+ void (*func)(void *);
+ void *data;
+ struct timer_list timer;
+};
+
+struct sir_fsm {
+ struct semaphore sem;
+ struct irda_request rq;
+ 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);
+extern int __init irda_thread_create(void);
+extern void __exit irda_thread_join(void);
+
+/* 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 */