/*- * Defines for Cronyx-Tau adapter driver. * * Copyright (C) 1994-2003 Cronyx Engineering. * Author: Serge Vakulenko, * * This software is distributed with NO WARRANTIES, not even the implied * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Authors grant any other persons or organisations permission to use * or modify this software as long as this message is kept with the software, * all derivative works or modified versions. * * Cronyx Id: ctddk.h,v 1.1.2.3 2003/12/11 17:33:44 rik Exp $ * $FreeBSD$ */ #define NBRD 3 /* the maximum number of installed boards */ #define NPORT 32 /* the number of i/o ports per board */ #define NCHAN 2 /* the number of channels on the board */ #define NBUF 4 /* the number of buffers per direction */ #define DMABUFSZ 1600 /* buffer size */ #define SCCBUFSZ 50 #ifndef port_t # ifdef _M_ALPHA /* port address on Alpha under */ # define port_t unsigned long /* Windows NT is 32 bit long */ # else # define port_t unsigned short /* all other architectures */ # endif /* have 16-bit port addresses */ #endif /* * There are tree models of Tau adapters. * Each of two channels of the adapter is assigned a type: * * Channel 0 Channel 1 * ------------------------------------------ * Tau T_SERIAL T_SERIAL * Tau/E1 T_E1 T_E1_SERIAL * Tau/G703 T_G703 T_G703_SERIAL * * Each channel could work in one of several modes: * * Channel 0 Channel 1 * ------------------------------------------ * Tau M_ASYNC, M_ASYNC, * M_HDLC M_HDLC * ------------------------------------------ * Tau/E1 M_E1, M_E1, * M_E1 & CFG_D, M_E1 & CFG_D, * M_ASYNC, * M_HDLC * ------------------------------------------ * Tau/G703 M_G703, M_G703, * M_ASYNC, * M_HDLC * ------------------------------------------ */ #define B_TAU 0 /* Tau - basic model */ #define B_TAU_E1 1 /* Tau/E1 */ #define B_TAU_G703 2 /* Tau/G.703 */ #define B_TAU_E1C 3 /* Tau/E1 revision C */ #define B_TAU_E1D 4 /* Tau/E1 revision C with phony mode support */ #define B_TAU_G703C 5 /* Tau/G.703 revision C */ #define B_TAU2 6 /* Tau2 - basic model */ #define B_TAU2_E1 7 /* Tau2/E1 */ #define B_TAU2_E1D 8 /* Tau2/E1 with phony mode support */ #define B_TAU2_G703 9 /* Tau2/G.703 */ #define T_SERIAL 1 #define T_E1 2 #define T_G703 4 #define T_E1_SERIAL (T_E1 | T_SERIAL) #define T_G703_SERIAL (T_G703 | T_SERIAL) #define M_ASYNC 0 /* asynchronous mode */ #define M_HDLC 1 /* bit-sync mode (HDLC) */ #define M_G703 2 #define M_E1 3 #define CFG_A 0 #define CFG_B 1 #define CFG_C 2 #define CFG_D 3 /* E1/G.703 interfaces - i0, i1 * Digital interface - d0 * * * Configuration * --------------------------------------------------- * CFG_A | i0<->ct0 i1<->ct1 * --------------------------------------------------- * CFG_B | i0<->ct0 d0<->ct1 * | ^ * | | * | v * | i1 * --------------------------------------------------- * CFG_C | ct0<->i0<->ct1 * | ^ * | | * | v * | i1 * --------------------------------------------------- * CFG_D | i0(e1)<->hdlc<->hdlc<->ct0(e1) * ONLY TAU/E1 | i1(e1)<->hdlc<->hdlc<->ct1(e1) * | */ /* * Mode register 0 (MD0) bits. */ #define MD0_STOPB_1 0 /* 1 stop bit */ #define MD0_STOPB_15 1 /* 1.5 stop bits */ #define MD0_STOPB_2 2 /* 2 stop bits */ #define MD0_MODE_ASYNC 0 /* asynchronous mode */ #define MD0_MODE_EXTSYNC 3 /* external byte-sync mode */ #define MD0_MODE_HDLC 4 /* HDLC mode */ typedef struct { unsigned stopb : 2; /* stop bit length */ unsigned : 2; unsigned cts_rts_dcd : 1; /* auto-enable CTS/DCD/RTS */ unsigned mode : 3; /* protocol mode */ } ct_md0_async_t; typedef struct { unsigned crcpre : 1; /* CRC preset 1s / 0s */ unsigned ccitt : 1; /* CRC-CCITT / CRC-16 */ unsigned crc : 1; /* CRC enable */ unsigned : 1; unsigned cts_dcd : 1; /* auto-enable CTS/DCD */ unsigned mode : 3; /* protocol mode */ } ct_md0_hdlc_t; /* * Mode register 1 (MD1) bits. */ #define MD1_PAR_NO 0 /* no parity */ #define MD1_PAR_CMD 1 /* parity bit appended by command */ #define MD1_PAR_EVEN 2 /* even parity */ #define MD1_PAR_ODD 3 /* odd parity */ #define MD1_CLEN_8 0 /* 8 bits/character */ #define MD1_CLEN_7 1 /* 7 bits/character */ #define MD1_CLEN_6 2 /* 6 bits/character */ #define MD1_CLEN_5 3 /* 5 bits/character */ #define MD1_CLK_1 0 /* 1/1 clock rate */ #define MD1_CLK_16 1 /* 1/16 clock rate */ #define MD1_CLK_32 2 /* 1/32 clock rate */ #define MD1_CLK_64 3 /* 1/64 clock rate */ #define MD1_ADDR_NOCHK 0 /* do not check address field */ #define MD1_ADDR_SNGLE1 1 /* single address 1 */ #define MD1_ADDR_SNGLE2 2 /* single address 2 */ #define MD1_ADDR_DUAL 3 /* dual address */ typedef struct { unsigned parmode : 2; /* parity mode */ unsigned rxclen : 2; /* receive character length */ unsigned txclen : 2; /* transmit character length */ unsigned clk : 2; /* clock rate */ } ct_md1_async_t; typedef struct { unsigned : 6; unsigned addr : 2; /* address field check */ } ct_md1_hdlc_t; /* * Mode register 2 (MD2) bits. */ #define MD2_FDX 0 /* full duplex communication */ #define MD2_RLOOP 1 /* remote loopback (auto echo) */ #define MD2_LLOOP 3 /* local+remote loopback */ #define MD2_DPLL_CLK_8 0 /* x8 ADPLL clock rate */ #define MD2_DPLL_CLK_16 1 /* x16 ADPLL clock rate */ #define MD2_DPLL_CLK_32 2 /* x32 ADPLL clock rate */ #define MD2_ENCOD_NRZ 0 /* NRZ encoding */ #define MD2_ENCOD_NRZI 1 /* NRZI encoding */ #define MD2_ENCOD_MANCHESTER 4 /* Manchester encoding */ #define MD2_ENCOD_FM0 5 /* FM0 encoding */ #define MD2_ENCOD_FM1 6 /* FM1 encoding */ typedef struct { unsigned loop : 2; /* loopback mode */ unsigned : 1; unsigned dpll_clk : 2; /* ADPLL clock rate */ unsigned encod : 3; /* signal encoding NRZ/NRZI/etc. */ } ct_md2_t; /* * DMA priority control register (PCR) values. */ #define PCR_PRIO_0_1 0 /* priority c0r > c0t > c1r > c1t */ #define PCR_PRIO_1_0 1 /* priority c1r > c1t > c0r > c0t */ #define PCR_PRIO_RX_TX 2 /* priority c0r > c1r > c0t > c1t */ #define PCR_PRIO_TX_RX 3 /* priority c0t > c1t > c0r > c1r */ #define PCR_PRIO_ROTATE 4 /* rotation priority -c0r-c0t-c1r-c1t- */ typedef struct { unsigned prio : 3; /* priority of channels */ unsigned noshare : 1; /* 1 - chan holds the bus until end of data */ /* 0 - all channels share the bus hold */ unsigned release : 1; /* 1 - release the bus between transfers */ /* 0 - hold the bus until all transfers done */ } ct_pcr_t; typedef struct { /* hdlc channel options */ ct_md0_hdlc_t md0; /* mode register 0 */ ct_md1_hdlc_t md1; /* mode register 1 */ unsigned char ctl; /* control register */ unsigned char sa0; /* sync/address register 0 */ unsigned char sa1; /* sync/address register 1 */ unsigned char rxs; /* receive clock source */ unsigned char txs; /* transmit clock source */ } ct_opt_hdlc_t; typedef struct { ct_md2_t md2; /* mode register 2 */ unsigned char dma_rrc; /* DMA mode receive FIFO ready level */ unsigned char dma_trc0; /* DMA mode transmit FIFO empty mark */ unsigned char dma_trc1; /* DMA mode transmit FIFO full mark */ unsigned char pio_rrc; /* port i/o mode receive FIFO ready level */ unsigned char pio_trc0; /* port i/o transmit FIFO empty mark */ unsigned char pio_trc1; /* port i/o transmit FIFO full mark */ } ct_chan_opt_t; /* * Option CLK is valid for both E1 and G.703 models. * Options RATE, PCE, TEST are for G.703 only. */ #define GCLK_INT 0 /* internal transmit clock source */ #define GCLK_RCV 1 /* transmit clock source = receive */ #define GCLK_RCLKO 2 /* tclk = receive clock of another channel */ #define GTEST_DIS 0 /* test disabled, normal operation */ #define GTEST_0 1 /* test "all zeros" */ #define GTEST_1 2 /* test "all ones" */ #define GTEST_01 3 /* test "0/1" */ typedef struct { /* E1/G.703 channel options */ unsigned char hdb3; /* encoding HDB3/AMI */ unsigned char pce; /* precoder enable */ unsigned char test; /* test mode 0/1/01/disable */ unsigned char crc4; /* E1 CRC4 enable */ unsigned char cas; /* E1 signalling mode CAS/CCS */ unsigned char higain; /* E1 high gain amplifier (30 dB) */ unsigned char phony; /* E1 phony mode */ unsigned char pce2; /* old PCM2 precoder compatibility */ unsigned long rate; /* data rate 2048/1024/512/256/128/64 kbit/s */ unsigned short level; /* G.703 input signal level, -cB */ } ct_opt_g703_t; typedef struct { unsigned char bcr2; /* board control register 2 */ ct_pcr_t pcr; /* DMA priority control register */ unsigned char clk0; /* E1/G.703 chan 0 txclk src int/rcv/rclki */ unsigned char clk1; /* E1/G.703 chan 1 txclk src int/rcv/rclki */ unsigned char cfg; /* E1 configuration II/HI/K */ unsigned long s0; /* E1 channel 0 timeslot mask */ unsigned long s1; /* E1 channel 1 timeslot mask */ unsigned long s2; /* E1 subchannel pass-through timeslot mask */ } ct_board_opt_t; /* * Board control register 2 bits. */ #define BCR2_INVTXC0 0x10 /* channel 0 invert transmit clock */ #define BCR2_INVTXC1 0x20 /* channel 1 invert transmit clock */ #define BCR2_INVRXC0 0x40 /* channel 0 invert receive clock */ #define BCR2_INVRXC1 0x80 /* channel 1 invert receive clock */ #define BCR2_BUS_UNLIM 0x01 /* unlimited DMA master burst length */ #define BCR2_BUS_RFST 0x02 /* fast read cycle bus timing */ #define BCR2_BUS_WFST 0x04 /* fast write cycle bus timing */ /* * Receive/transmit clock source register (RXS/TXS) bits - from hdc64570.h. */ #define CLK_MASK 0x70 /* RXC/TXC clock input mask */ #define CLK_LINE 0x00 /* RXC/TXC line input */ #define CLK_INT 0x40 /* internal baud rate generator */ #define CLK_RXS_LINE_NS 0x20 /* RXC line with noise suppression */ #define CLK_RXS_DPLL_INT 0x60 /* ADPLL based on internal BRG */ #define CLK_RXS_DPLL_LINE 0x70 /* ADPLL based on RXC line */ #define CLK_TXS_RECV 0x60 /* receive clock */ /* * Control register (CTL) bits - from hdc64570.h. */ #define CTL_RTS_INV 0x01 /* RTS control bit (inverted) */ #define CTL_SYNCLD 0x04 /* load SYN characters */ #define CTL_BRK 0x08 /* async: send break */ #define CTL_IDLE_MARK 0 /* HDLC: when idle, transmit mark */ #define CTL_IDLE_PTRN 0x10 /* HDLC: when idle, transmit an idle pattern */ #define CTL_UDRN_ABORT 0 /* HDLC: on underrun - abort */ #define CTL_UDRN_FCS 0x20 /* HDLC: on underrun - send FCS/flag */ typedef struct { unsigned long bpv; /* bipolar violations */ unsigned long fse; /* frame sync errors */ unsigned long crce; /* CRC errors */ unsigned long rcrce; /* remote CRC errors (E-bit) */ unsigned long uas; /* unavailable seconds */ unsigned long les; /* line errored seconds */ unsigned long es; /* errored seconds */ unsigned long bes; /* bursty errored seconds */ unsigned long ses; /* severely errored seconds */ unsigned long oofs; /* out of frame seconds */ unsigned long css; /* controlled slip seconds */ unsigned long dm; /* degraded minutes */ } ct_gstat_t; #define ESTS_NOALARM 0x0001 /* no alarm present */ #define ESTS_FARLOF 0x0002 /* receiving far loss of framing */ #define ESTS_AIS 0x0008 /* receiving all ones */ #define ESTS_LOF 0x0020 /* loss of framing */ #define ESTS_LOS 0x0040 /* loss of signal */ #define ESTS_AIS16 0x0100 /* receiving all ones in timeslot 16 */ #define ESTS_FARLOMF 0x0200 /* receiving alarm in timeslot 16 */ #define ESTS_LOMF 0x0400 /* loss of multiframe sync */ #define ESTS_TSTREQ 0x0800 /* test code detected */ #define ESTS_TSTERR 0x1000 /* test error */ typedef struct { unsigned char data[10]; } ct_desc_t; typedef struct { unsigned char tbuffer [NBUF] [DMABUFSZ]; /* transmit buffers */ unsigned char rbuffer [NBUF] [DMABUFSZ]; /* receive buffers */ ct_desc_t descbuf [4*NBUF]; /* descriptors */ /* double size for alignment */ } ct_buf_t; #define B_NEXT(b) (*(unsigned short*)(b).data) /* next descriptor ptr */ #define B_PTR(b) (*(unsigned long*) ((b).data+2)) /* ptr to data buffer */ #define B_LEN(b) (*(unsigned short*)((b).data+6)) /* data buffer length */ #define B_STATUS(b) (*(unsigned short*)((b).data+8)) /* buf status, see FST */ typedef struct { port_t DAR, DARB, SAR, SARB, CDA, EDA, BFL, BCR, DSR, DMR, FCT, DIR, DCR, TCNT, TCONR, TCSR, TEPR; } ct_dmareg_t; #ifdef NDIS_MINIPORT_DRIVER typedef struct _ct_queue_t { /* packet queue */ PNDIS_WAN_PACKET head; /* first packet in queue */ PNDIS_WAN_PACKET tail; /* last packet in queue */ } ct_queue_t; #endif typedef struct _ct_chan_t { port_t MD0, MD1, MD2, CTL, RXS, TXS, TMC, CMD, ST0, ST1, ST2, ST3, FST, IE0, IE1, IE2, FIE, SA0, SA1, IDL, TRB, RRC, TRC0, TRC1, CST; ct_dmareg_t RX; /* RX DMA/timer registers */ ct_dmareg_t TX; /* TX DMA/timer registers */ unsigned char num; /* channel number, 0..1 */ struct _ct_board_t *board; /* board pointer */ unsigned long baud; /* data rate */ unsigned char type; /* channel type */ unsigned char mode; /* channel mode */ ct_chan_opt_t opt; /* common channel options */ ct_opt_hdlc_t hopt; /* hdlc mode options */ ct_opt_g703_t gopt; /* E1/G.703 options */ unsigned char dtr; /* DTR signal value */ unsigned char rts; /* RTS signal value */ unsigned char lx; /* LXT input bit settings */ unsigned char *tbuf [NBUF]; /* transmit buffer */ ct_desc_t *tdesc; /* transmit buffer descriptors */ unsigned long tphys [NBUF]; /* transmit buffer phys address */ unsigned long tdphys [NBUF]; /* transmit descr phys addresses */ int tn; /* first active transmit buffer */ int te; /* first active transmit buffer */ unsigned char *rbuf [NBUF]; /* receive buffers */ ct_desc_t *rdesc; /* receive buffer descriptors */ unsigned long rphys [NBUF]; /* receive buffer phys address */ unsigned long rdphys [NBUF]; /* receive descr phys addresses */ int rn; /* first active receive buffer */ unsigned long rintr; /* receive interrupts */ unsigned long tintr; /* transmit interrupts */ unsigned long mintr; /* modem interrupts */ unsigned long ibytes; /* input bytes */ unsigned long ipkts; /* input packets */ unsigned long ierrs; /* input errors */ unsigned long obytes; /* output bytes */ unsigned long opkts; /* output packets */ unsigned long oerrs; /* output errors */ unsigned short status; /* line status bit mask */ unsigned long totsec; /* total seconds elapsed */ unsigned long cursec; /* total seconds elapsed */ unsigned long degsec; /* degraded seconds */ unsigned long degerr; /* errors during degraded seconds */ ct_gstat_t currnt; /* current 15-min interval data */ ct_gstat_t total; /* total statistics data */ ct_gstat_t interval [48]; /* 12 hour period data */ void *attach [NBUF]; /* system dependent data per buffer */ void *sys; /* system dependent data per channel */ int debug; int debug_shadow; int e1_first_int; unsigned char *sccrx, *scctx; /* pointers to SCC rx and tx buffers */ int sccrx_empty, scctx_empty; /* flags : set when buffer is empty */ int sccrx_b, scctx_b; /* first byte in queue */ int sccrx_e, scctx_e; /* first free byte in queue */ /* pointers to callback functions */ void (*call_on_tx) (struct _ct_chan_t*, void*, int); void (*call_on_rx) (struct _ct_chan_t*, char*, int); void (*call_on_msig) (struct _ct_chan_t*); void (*call_on_scc) (struct _ct_chan_t*); void (*call_on_err) (struct _ct_chan_t*, int); #ifdef NDIS_MINIPORT_DRIVER /* NDIS 3 - WinNT/Win95 */ HTAPI_LINE htline; /* TAPI line descriptor */ HTAPI_CALL htcall; /* TAPI call descriptor */ NDIS_HANDLE connect; /* WAN connection context */ ct_queue_t sendq; /* packets to transmit queue */ ct_queue_t busyq; /* transmit busy queue */ UINT state; /* line state mask */ int timo; /* state timeout counter */ #endif } ct_chan_t; typedef struct _ct_board_t { port_t port; /* base board port, 200..3e0 */ unsigned short num; /* board number, 0..2 */ unsigned char irq; /* intterupt request {3 5 7 10 11 12 15} */ unsigned char dma; /* DMA request {5 6 7} */ unsigned long osc; /* oscillator frequency: 10MHz or 8.192 */ unsigned char type; /* board type Tau/TauE1/TauG703 */ char name[16]; /* board version name */ unsigned char bcr0; /* BCR0 image */ unsigned char bcr1; /* BCR1 image */ unsigned char bcr2; /* BCR2 image */ unsigned char gmd0; /* G.703 MD0 register image */ unsigned char gmd1; /* G.703 MD1 register image */ unsigned char gmd2; /* G.703 MD2 register image */ unsigned char e1cfg; /* E1 CFG register image */ unsigned char e1syn; /* E1 SYN register image */ ct_board_opt_t opt; /* board options */ ct_chan_t chan[NCHAN]; /* channel structures */ #ifdef NDIS_MINIPORT_DRIVER /* NDIS 3 - WinNT/Win95 */ PVOID ioaddr; /* mapped i/o port address */ NDIS_HANDLE mh; /* miniport adapter handler */ NDIS_MINIPORT_INTERRUPT irqh; /* interrupt handler */ NDIS_HANDLE dmah; /* dma channel handler */ ULONG bufsz; /* size of shared memory buffer */ PVOID buf; /* shared memory for adapter */ NDIS_PHYSICAL_ADDRESS bphys; /* shared memory phys address */ NDIS_SPIN_LOCK lock; /* lock descriptor */ ULONG debug; /* debug flags */ ULONG idbase; /* TAPI device identifier base number */ ULONG anum; /* adapter number, from inf setup script */ NDIS_MINIPORT_TIMER timer; /* periodic timer structure */ #endif } ct_board_t; extern long ct_baud; extern unsigned char ct_chan_mode; extern ct_board_opt_t ct_board_opt_dflt; /* default board options */ extern ct_chan_opt_t ct_chan_opt_dflt; /* default channel options */ extern ct_opt_hdlc_t ct_opt_hdlc_dflt; /* default hdlc mode options */ extern ct_opt_g703_t ct_opt_g703_dflt; /* default E1/G.703 options */ struct _cr_dat_tst; int ct_probe_board (port_t port, int irq, int dma); void ct_init (ct_board_t *b, int num, port_t port, int irq, int dma, const unsigned char *firmware, long bits, const struct _cr_dat_tst *tst, const unsigned char *firmware2); void ct_init_board (ct_board_t *b, int num, port_t port, int irq, int dma, int type, long osc); int ct_download (port_t port, const unsigned char *firmware, long bits, const struct _cr_dat_tst *tst); int ct_download2 (port_t port, const unsigned char *firmware); int ct_setup_board (ct_board_t *b, const unsigned char *firmware, long bits, const struct _cr_dat_tst *tst); void ct_setup_e1 (ct_board_t *b); void ct_setup_g703 (ct_board_t *b); void ct_setup_chan (ct_chan_t *c); void ct_update_chan (ct_chan_t *c); void ct_start_receiver (ct_chan_t *c, int dma, unsigned long buf1, unsigned len, unsigned long buf, unsigned long lim); void ct_start_transmitter (ct_chan_t *c, int dma, unsigned long buf1, unsigned len, unsigned long buf, unsigned long lim); void ct_set_dtr (ct_chan_t *c, int on); void ct_set_rts (ct_chan_t *c, int on); void ct_set_brk (ct_chan_t *c, int on); void ct_led (ct_board_t *b, int on); void ct_cmd (port_t base, int cmd); void ct_disable_dma (ct_board_t *b); void ct_reinit_board (ct_board_t *b); void ct_reinit_chan (ct_chan_t *c); int ct_get_dsr (ct_chan_t *c); int ct_get_cd (ct_chan_t *c); int ct_get_cts (ct_chan_t *c); int ct_get_lq (ct_chan_t *c); void ct_compute_clock (long hz, long baud, int *txbr, int *tmc); unsigned char cte_in (port_t base, unsigned char reg); void cte_out (port_t base, unsigned char reg, unsigned char val); unsigned char cte_ins (port_t base, unsigned char reg, unsigned char mask); unsigned char cte_in2 (port_t base, unsigned char reg); void cte_out2 (port_t base, unsigned char reg, unsigned char val); void ctg_outx (ct_chan_t *c, unsigned char reg, unsigned char val); unsigned char ctg_inx (ct_chan_t *c, unsigned char reg); unsigned char cte_in2d (ct_chan_t *c); void cte_out2d (ct_chan_t *c, unsigned char val); void cte_out2c (ct_chan_t *c, unsigned char val); /* functions dealing with interrupt vector in DOS */ #if defined (MSDOS) || defined (__MSDOS__) int ddk_int_alloc (int irq, void (*func)(), void *arg); int ddk_int_restore (int irq); #endif int ct_probe_irq (ct_board_t *b, int irq); void ct_int_handler (ct_board_t *b); void ct_g703_timer (ct_chan_t *c); /* DDK errors */ #define CT_FRAME 1 #define CT_CRC 2 #define CT_OVERRUN 3 #define CT_OVERFLOW 4 #define CT_UNDERRUN 5 #define CT_SCC_OVERRUN 6 #define CT_SCC_FRAME 7 #define CT_SCC_OVERFLOW 8 int ct_open_board (ct_board_t *b, int num, port_t port, int irq, int dma); void ct_close_board (ct_board_t *b); int ct_find (port_t *board_ports); int ct_set_config (ct_board_t *b, int cfg); int ct_set_clk (ct_chan_t *c, int clk); int ct_set_ts (ct_chan_t *c, unsigned long ts); int ct_set_subchan (ct_board_t *b, unsigned long ts); int ct_set_higain (ct_chan_t *c, int on); void ct_set_phony (ct_chan_t *c, int on); #define ct_get_config(b) ((b)->opt.cfg) #define ct_get_subchan(b) ((b)->opt.s2) #define ct_get_higain(c) ((c)->gopt.higain) #define ct_get_phony(c) ((c)->gopt.phony) int ct_get_clk (ct_chan_t *c); unsigned long ct_get_ts (ct_chan_t *c); void ct_start_chan (ct_chan_t *c, ct_buf_t *cb, unsigned long phys); void ct_enable_receive (ct_chan_t *c, int on); void ct_enable_transmit (ct_chan_t *c, int on); int ct_receive_enabled (ct_chan_t *c); int ct_transmit_enabled (ct_chan_t *c); void ct_set_baud (ct_chan_t *c, unsigned long baud); unsigned long ct_get_baud (ct_chan_t *c); void ct_set_dpll (ct_chan_t *c, int on); int ct_get_dpll (ct_chan_t *c); void ct_set_nrzi (ct_chan_t *c, int on); int ct_get_nrzi (ct_chan_t *c); void ct_set_loop (ct_chan_t *c, int on); int ct_get_loop (ct_chan_t *c); void ct_set_invtxc (ct_chan_t *c, int on); int ct_get_invtxc (ct_chan_t *c); void ct_set_invrxc (ct_chan_t *c, int on); int ct_get_invrxc (ct_chan_t *c); int ct_buf_free (ct_chan_t *c); int ct_send_packet (ct_chan_t *c, unsigned char *data, int len, void *attachment); void ct_start_scc (ct_chan_t *c, char *rxbuf, char * txbuf); int sccrx_check (ct_chan_t *c); int scc_read (ct_chan_t *c, unsigned char *d, int len); int scc_write (ct_chan_t *c, unsigned char *d, int len); int scc_read_byte (ct_chan_t *c); int scc_write_byte (ct_chan_t *c, unsigned char b); void ct_register_transmit (ct_chan_t *c, void (*func) (ct_chan_t*, void *attachment, int len)); void ct_register_receive (ct_chan_t *c, void (*func) (ct_chan_t*, char *data, int len)); void ct_register_error (ct_chan_t *c, void (*func) (ct_chan_t *c, int data)); void ct_register_modem (ct_chan_t *c, void (*func) (ct_chan_t *c)); void ct_register_scc (ct_chan_t *c, void (*func) (ct_chan_t *c));