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Diffstat (limited to 'drivers/net/irda/mcs7780.h')
| -rw-r--r-- | drivers/net/irda/mcs7780.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/net/irda/mcs7780.h b/drivers/net/irda/mcs7780.h new file mode 100644 index 00000000000..1a723d725c2 --- /dev/null +++ b/drivers/net/irda/mcs7780.h @@ -0,0 +1,167 @@ +/***************************************************************************** +* +* 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 */ |