Release 4.7 drivers/net/irda/mcs7780.h
/*****************************************************************************
*
* 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 */
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 */
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