--- /dev/null
+/*****************************************************************************
+*
+* Filename: mcs7780.h
+* Version: 0.2-alpha
+* Description: Irda MosChip USB Dongle
+* Status: Experimental
+* Authors: Lukasz Stelmach <stlman@poczta.fm>
+* Brian Pugh <bpugh@cs.pdx.edu>
+*
+* Copyright (C) 2005, Lukasz Stelmach <stlman@poczta.fm>
+* Copyright (C) 2005, Brian Pugh <bpugh@cs.pdx.edu>
+*
+* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*
+*****************************************************************************/
+#ifndef _MCS7780_H
+#define _MCS7780_H
+
+#define MCS_MODE_SIR 0
+#define MCS_MODE_MIR 1
+#define MCS_MODE_FIR 2
+
+#define MCS_CTRL_TIMEOUT 500
+#define MCS_XMIT_TIMEOUT 500
+/* Possible transceiver types */
+#define MCS_TSC_VISHAY 0 /* Vishay TFD, default choice */
+#define MCS_TSC_AGILENT 1 /* Agilent 3602/3600 */
+#define MCS_TSC_SHARP 2 /* Sharp GP2W1000YP */
+
+/* Requests */
+#define MCS_RD_RTYPE 0xC0
+#define MCS_WR_RTYPE 0x40
+#define MCS_RDREQ 0x0F
+#define MCS_WRREQ 0x0E
+
+/* Register 0x00 */
+#define MCS_MODE_REG 0
+#define MCS_FIR ((__u16)0x0001)
+#define MCS_SIR16US ((__u16)0x0002)
+#define MCS_BBTG ((__u16)0x0004)
+#define MCS_ASK ((__u16)0x0008)
+#define MCS_PARITY ((__u16)0x0010)
+
+/* SIR/MIR speed constants */
+#define MCS_SPEED_SHIFT 5
+#define MCS_SPEED_MASK ((__u16)0x00E0)
+#define MCS_SPEED(x) ((x & MCS_SPEED_MASK) >> MCS_SPEED_SHIFT)
+#define MCS_SPEED_2400 ((0 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+#define MCS_SPEED_9600 ((1 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+#define MCS_SPEED_19200 ((2 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+#define MCS_SPEED_38400 ((3 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+#define MCS_SPEED_57600 ((4 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+#define MCS_SPEED_115200 ((5 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+#define MCS_SPEED_576000 ((6 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+#define MCS_SPEED_1152000 ((7 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
+
+#define MCS_PLLPWDN ((__u16)0x0100)
+#define MCS_DRIVER ((__u16)0x0200)
+#define MCS_DTD ((__u16)0x0400)
+#define MCS_DIR ((__u16)0x0800)
+#define MCS_SIPEN ((__u16)0x1000)
+#define MCS_SENDSIP ((__u16)0x2000)
+#define MCS_CHGDIR ((__u16)0x4000)
+#define MCS_RESET ((__u16)0x8000)
+
+/* Register 0x02 */
+#define MCS_XCVR_REG 2
+#define MCS_MODE0 ((__u16)0x0001)
+#define MCS_STFIR ((__u16)0x0002)
+#define MCS_XCVR_CONF ((__u16)0x0004)
+#define MCS_RXFAST ((__u16)0x0008)
+/* TXCUR [6:4] */
+#define MCS_TXCUR_SHIFT 4
+#define MCS_TXCUR_MASK ((__u16)0x0070)
+#define MCS_TXCUR(x) ((x & MCS_TXCUR_MASK) >> MCS_TXCUR_SHIFT)
+#define MCS_SETTXCUR(x,y) \
+ ((x & ~MCS_TXCUR_MASK) | (y << MCS_TXCUR_SHIFT) & MCS_TXCUR_MASK)
+
+#define MCS_MODE1 ((__u16)0x0080)
+#define MCS_SMODE0 ((__u16)0x0100)
+#define MCS_SMODE1 ((__u16)0x0200)
+#define MCS_INVTX ((__u16)0x0400)
+#define MCS_INVRX ((__u16)0x0800)
+
+#define MCS_MINRXPW_REG 4
+
+#define MCS_RESV_REG 7
+#define MCS_IRINTX ((__u16)0x0001)
+#define MCS_IRINRX ((__u16)0x0002)
+
+struct mcs_cb {
+ struct usb_device *usbdev; /* init: probe_irda */
+ struct net_device *netdev; /* network layer */
+ struct irlap_cb *irlap; /* The link layer we are binded to */
+ struct net_device_stats stats; /* network statistics */
+ struct qos_info qos;
+ unsigned int speed; /* Current speed */
+ unsigned int new_speed; /* new speed */
+
+ struct work_struct work; /* Change speed work */
+
+ struct sk_buff *tx_pending;
+ char in_buf[4096]; /* transmit/receive buffer */
+ char out_buf[4096]; /* transmit/receive buffer */
+ __u8 *fifo_status;
+
+ iobuff_t rx_buff; /* receive unwrap state machine */
+ struct timeval rx_time;
+ spinlock_t lock;
+ int receiving;
+
+ __u8 ep_in;
+ __u8 ep_out;
+
+ struct urb *rx_urb;
+ struct urb *tx_urb;
+
+ int transceiver_type;
+ int sir_tweak;
+ int receive_mode;
+};
+
+static int mcs_set_reg(struct mcs_cb *mcs, __u16 reg, __u16 val);
+static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val);
+
+static inline int mcs_setup_transceiver_vishay(struct mcs_cb *mcs);
+static inline int mcs_setup_transceiver_agilent(struct mcs_cb *mcs);
+static inline int mcs_setup_transceiver_sharp(struct mcs_cb *mcs);
+static inline int mcs_setup_transceiver(struct mcs_cb *mcs);
+static inline int mcs_wrap_sir_skb(struct sk_buff *skb, __u8 * buf);
+static unsigned mcs_wrap_fir_skb(const struct sk_buff *skb, __u8 *buf);
+static unsigned mcs_wrap_mir_skb(const struct sk_buff *skb, __u8 *buf);
+static void mcs_unwrap_mir(struct mcs_cb *mcs, __u8 *buf, int len);
+static void mcs_unwrap_fir(struct mcs_cb *mcs, __u8 *buf, int len);
+static inline int mcs_setup_urbs(struct mcs_cb *mcs);
+static inline int mcs_receive_start(struct mcs_cb *mcs);
+static inline int mcs_find_endpoints(struct mcs_cb *mcs,
+ struct usb_host_endpoint *ep, int epnum);
+
+static int mcs_speed_change(struct mcs_cb *mcs);
+
+static int mcs_net_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd);
+static int mcs_net_close(struct net_device *netdev);
+static int mcs_net_open(struct net_device *netdev);
+static struct net_device_stats *mcs_net_get_stats(struct net_device *netdev);
+
+static void mcs_receive_irq(struct urb *urb, struct pt_regs *regs);
+static void mcs_send_irq(struct urb *urb, struct pt_regs *regs);
+static int mcs_hard_xmit(struct sk_buff *skb, struct net_device *netdev);
+
+static int mcs_probe(struct usb_interface *intf,
+ const struct usb_device_id *id);
+static void mcs_disconnect(struct usb_interface *intf);
+
+#endif /* _MCS7780_H */
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