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6518bbb803
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
167 lines
5.8 KiB
C
167 lines
5.8 KiB
C
/*****************************************************************************
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*
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* Filename: mcs7780.h
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* Version: 0.2-alpha
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* Description: Irda MosChip USB Dongle
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* Status: Experimental
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* Authors: Lukasz Stelmach <stlman@poczta.fm>
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* Brian Pugh <bpugh@cs.pdx.edu>
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*
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* Copyright (C) 2005, Lukasz Stelmach <stlman@poczta.fm>
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* Copyright (C) 2005, Brian Pugh <bpugh@cs.pdx.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*****************************************************************************/
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#ifndef _MCS7780_H
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#define _MCS7780_H
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#define MCS_MODE_SIR 0
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#define MCS_MODE_MIR 1
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#define MCS_MODE_FIR 2
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#define MCS_CTRL_TIMEOUT 500
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#define MCS_XMIT_TIMEOUT 500
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/* Possible transceiver types */
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#define MCS_TSC_VISHAY 0 /* Vishay TFD, default choice */
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#define MCS_TSC_AGILENT 1 /* Agilent 3602/3600 */
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#define MCS_TSC_SHARP 2 /* Sharp GP2W1000YP */
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/* Requests */
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#define MCS_RD_RTYPE 0xC0
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#define MCS_WR_RTYPE 0x40
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#define MCS_RDREQ 0x0F
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#define MCS_WRREQ 0x0E
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/* Register 0x00 */
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#define MCS_MODE_REG 0
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#define MCS_FIR ((__u16)0x0001)
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#define MCS_SIR16US ((__u16)0x0002)
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#define MCS_BBTG ((__u16)0x0004)
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#define MCS_ASK ((__u16)0x0008)
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#define MCS_PARITY ((__u16)0x0010)
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/* SIR/MIR speed constants */
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#define MCS_SPEED_SHIFT 5
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#define MCS_SPEED_MASK ((__u16)0x00E0)
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#define MCS_SPEED(x) ((x & MCS_SPEED_MASK) >> MCS_SPEED_SHIFT)
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#define MCS_SPEED_2400 ((0 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_SPEED_9600 ((1 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_SPEED_19200 ((2 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_SPEED_38400 ((3 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_SPEED_57600 ((4 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_SPEED_115200 ((5 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_SPEED_576000 ((6 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_SPEED_1152000 ((7 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK)
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#define MCS_PLLPWDN ((__u16)0x0100)
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#define MCS_DRIVER ((__u16)0x0200)
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#define MCS_DTD ((__u16)0x0400)
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#define MCS_DIR ((__u16)0x0800)
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#define MCS_SIPEN ((__u16)0x1000)
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#define MCS_SENDSIP ((__u16)0x2000)
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#define MCS_CHGDIR ((__u16)0x4000)
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#define MCS_RESET ((__u16)0x8000)
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/* Register 0x02 */
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#define MCS_XCVR_REG 2
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#define MCS_MODE0 ((__u16)0x0001)
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#define MCS_STFIR ((__u16)0x0002)
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#define MCS_XCVR_CONF ((__u16)0x0004)
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#define MCS_RXFAST ((__u16)0x0008)
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/* TXCUR [6:4] */
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#define MCS_TXCUR_SHIFT 4
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#define MCS_TXCUR_MASK ((__u16)0x0070)
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#define MCS_TXCUR(x) ((x & MCS_TXCUR_MASK) >> MCS_TXCUR_SHIFT)
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#define MCS_SETTXCUR(x,y) \
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((x & ~MCS_TXCUR_MASK) | (y << MCS_TXCUR_SHIFT) & MCS_TXCUR_MASK)
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#define MCS_MODE1 ((__u16)0x0080)
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#define MCS_SMODE0 ((__u16)0x0100)
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#define MCS_SMODE1 ((__u16)0x0200)
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#define MCS_INVTX ((__u16)0x0400)
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#define MCS_INVRX ((__u16)0x0800)
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#define MCS_MINRXPW_REG 4
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#define MCS_RESV_REG 7
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#define MCS_IRINTX ((__u16)0x0001)
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#define MCS_IRINRX ((__u16)0x0002)
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struct mcs_cb {
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struct usb_device *usbdev; /* init: probe_irda */
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struct net_device *netdev; /* network layer */
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struct irlap_cb *irlap; /* The link layer we are binded to */
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struct qos_info qos;
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unsigned int speed; /* Current speed */
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unsigned int new_speed; /* new speed */
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struct work_struct work; /* Change speed work */
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struct sk_buff *tx_pending;
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char in_buf[4096]; /* transmit/receive buffer */
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char out_buf[4096]; /* transmit/receive buffer */
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__u8 *fifo_status;
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iobuff_t rx_buff; /* receive unwrap state machine */
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struct timeval rx_time;
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spinlock_t lock;
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int receiving;
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__u8 ep_in;
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__u8 ep_out;
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struct urb *rx_urb;
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struct urb *tx_urb;
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int transceiver_type;
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int sir_tweak;
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int receive_mode;
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};
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static int mcs_set_reg(struct mcs_cb *mcs, __u16 reg, __u16 val);
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static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val);
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static inline int mcs_setup_transceiver_vishay(struct mcs_cb *mcs);
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static inline int mcs_setup_transceiver_agilent(struct mcs_cb *mcs);
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static inline int mcs_setup_transceiver_sharp(struct mcs_cb *mcs);
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static inline int mcs_setup_transceiver(struct mcs_cb *mcs);
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static inline int mcs_wrap_sir_skb(struct sk_buff *skb, __u8 * buf);
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static unsigned mcs_wrap_fir_skb(const struct sk_buff *skb, __u8 *buf);
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static unsigned mcs_wrap_mir_skb(const struct sk_buff *skb, __u8 *buf);
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static void mcs_unwrap_mir(struct mcs_cb *mcs, __u8 *buf, int len);
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static void mcs_unwrap_fir(struct mcs_cb *mcs, __u8 *buf, int len);
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static inline int mcs_setup_urbs(struct mcs_cb *mcs);
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static inline int mcs_receive_start(struct mcs_cb *mcs);
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static inline int mcs_find_endpoints(struct mcs_cb *mcs,
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struct usb_host_endpoint *ep, int epnum);
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static int mcs_speed_change(struct mcs_cb *mcs);
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static int mcs_net_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd);
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static int mcs_net_close(struct net_device *netdev);
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static int mcs_net_open(struct net_device *netdev);
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static void mcs_receive_irq(struct urb *urb);
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static void mcs_send_irq(struct urb *urb);
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static netdev_tx_t mcs_hard_xmit(struct sk_buff *skb,
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struct net_device *netdev);
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static int mcs_probe(struct usb_interface *intf,
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const struct usb_device_id *id);
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static void mcs_disconnect(struct usb_interface *intf);
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#endif /* _MCS7780_H */
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