/* $NetBSD: iwicvar.h,v 1.5 2007/10/19 12:00:51 ad Exp $ */ /* * Copyright (c) 1999, 2000 Dave Boyce. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _IWICVAR_H_ #define _IWICVAR_H_ #include #include #include #include #include #include /*---------------------------------------------------------------------------* * state of a B channel *---------------------------------------------------------------------------*/ struct iwic_bchan { int channel; /* channel number */ int offset; /* offset from iobase */ int bprot; /* b channel protocol used */ int state; /* transceiver state: */ #define ST_IDLE 0x00 /* channel idle */ #define ST_TX_ACTIVE 0x01 /* tx running */ unsigned int sc_trace_bcount; /* receive data from ISDN */ struct ifqueue rx_queue;/* receiver queue */ int rxcount; /* rx statistics counter */ struct mbuf *in_mbuf; /* rx input buffer */ u_char *in_cbptr; /* curr buffer pointer */ int in_len; /* rx input buffer len */ /* transmit data to ISDN */ struct ifqueue tx_queue;/* transmitter queue */ int txcount; /* tx statistics counter */ struct mbuf *out_mbuf_head; /* first mbuf in possible chain */ struct mbuf *out_mbuf_cur; /* current mbuf in possbl chain */ unsigned char *out_mbuf_cur_ptr; /* data pointer into mbuf */ int out_mbuf_cur_len; /* remaining bytes in mbuf */ /* linktab */ isdn_link_t iwic_isdn_linktab; const struct isdn_l4_driver_functions *l4_driver; void *l4_driver_softc; }; /*---------------------------------------------------------------------------* * state of a D channel *---------------------------------------------------------------------------*/ struct iwic_dchan { int enabled; int trace_count; struct mbuf *ibuf; u_char *ibuf_ptr; /* Input buffer pointer */ int ibuf_len; /* Current length of input buffer */ int ibuf_max_len; /* Max length in input buffer */ int rx_count; int tx_ready; /* Can send next 64 bytes of data. */ int tx_count; struct mbuf *obuf; int free_obuf; u_char *obuf_ptr; int obuf_len; struct mbuf *obuf2; int free_obuf2; }; /*---------------------------------------------------------------------------* * state of one iwic unit *---------------------------------------------------------------------------*/ struct iwic_softc { struct device sc_dev; const char *sc_cardname; bus_addr_t sc_iobase; bus_size_t sc_iosize; bus_space_handle_t sc_io_bh; bus_space_tag_t sc_io_bt; struct iwic_dchan sc_dchan; struct iwic_bchan sc_bchan[2]; void *sc_ih; /* interrupt handler */ pci_chipset_tag_t sc_pc; void *sc_l3token; /* pointer to registered L3 instance */ struct l2_softc sc_l2; /* D-channel variables */ int sc_I430state; int sc_I430T3; int sc_trace; }; /*---------------------------------------------------------------------------* * rd/wr register/fifo macros *---------------------------------------------------------------------------*/ #include #define IWIC_READ(sc,reg) bus_space_read_1((sc)->sc_io_bt,(sc)->sc_io_bh,(reg)) #define IWIC_WRITE(sc,reg,val) bus_space_write_1((sc)->sc_io_bt,(sc)->sc_io_bh,(reg),(val)) #define IWIC_WRDFIFO(sc,p,l) bus_space_write_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,D_XFIFO,(p),(l)) #define IWIC_RDDFIFO(sc,p,l) bus_space_read_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,D_RFIFO,(p),(l)) #define IWIC_WRBFIFO(sc,b,p,l) bus_space_write_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,(b)->offset + B_XFIFO,(p),(l)) #define IWIC_RDBFIFO(sc,b,p,l) bus_space_read_multi_1((sc)->sc_io_bt,(sc)->sc_io_bh,(b)->offset + B_RFIFO,(p),(l)) /*---------------------------------------------------------------------------* * possible I.430 states *---------------------------------------------------------------------------*/ enum I430states { ST_F3N, /* F3 Deactivated, no clock */ ST_F3, /* F3 Deactivated */ ST_F4, /* F4 Awaiting Signal */ ST_F5, /* F5 Identifying Input */ ST_F6, /* F6 Synchronized */ ST_F7, /* F7 Activated */ ST_F8, /* F8 Lost Framing */ ST_ILL, /* Illegal State */ N_STATES }; /*---------------------------------------------------------------------------* * possible I.430 events *---------------------------------------------------------------------------*/ enum I430events { EV_PHAR, /* PH ACTIVATE REQUEST */ EV_CE, /* Clock enabled */ EV_T3, /* Timer 3 expired */ EV_INFO0, /* receiving INFO0 */ EV_RSY, /* receiving any signal */ EV_INFO2, /* receiving INFO2 */ EV_INFO48, /* receiving INFO4 pri 8/9 */ EV_INFO410, /* receiving INFO4 pri 10/11 */ EV_DR, /* Deactivate Request */ EV_PU, /* Power UP */ EV_DIS, /* Disconnected (only 2085) */ EV_EI, /* Error Indication */ EV_ILL, /* Illegal Event */ N_EVENTS }; /*---------------------------------------------------------------------------* * available commands *---------------------------------------------------------------------------*/ enum I430commands { CMD_ECK, /* Enable clock */ CMD_TIM, /* Timing */ CMD_RT, /* Reset */ CMD_AR8, /* Activation request pri 8 */ CMD_AR10, /* Activation request pri 10 */ CMD_DIU, /* Deactivate Indication Upstream */ CMD_ILL /* Illegal command */ }; void iwic_init(struct iwic_softc *); void iwic_next_state(struct iwic_softc *, int); void iwic_dchan_init(struct iwic_softc *); void iwic_dchan_xirq(struct iwic_softc *); void iwic_dchan_xfer_irq(struct iwic_softc *, int); void iwic_dchan_disable(struct iwic_softc *); int iwic_dchan_data_req(struct iwic_softc *, struct mbuf *, int); void iwic_dchan_transmit(struct iwic_softc *); const char *iwic_printstate(struct iwic_softc *); void iwic_init_linktab(struct iwic_softc *); void iwic_bchan_xirq(struct iwic_softc *, int); void iwic_bchannel_setup(isdn_layer1token, int, int, int); #endif /* _IWICVAR_H_ */