/***************************************************************************** * * 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 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 void mcs_receive_irq(struct urb *urb); static void mcs_send_irq(struct urb *urb); static netdev_tx_t 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 */