| siovar.h (85365) | siovar.h (86909) |
|---|---|
| 1/*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * | 1/*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * |
| 33 * $FreeBSD: head/sys/dev/sio/siovar.h 85365 2001-10-23 15:17:33Z imp $ | 33 * $FreeBSD: head/sys/dev/sio/siovar.h 86909 2001-11-26 07:39:51Z imp $ |
| 34 */ 35 | 34 */ 35 |
| 36#define SET_FLAG(dev, bit) device_set_flags(dev, device_get_flags(dev) | (bit)) 37#define CLR_FLAG(dev, bit) device_set_flags(dev, device_get_flags(dev) & ~(bit)) 38 39#define CE_NTYPES 3 40 41/* types. XXX - should be elsewhere */ 42typedef u_int Port_t; /* hardware port */ 43typedef u_char bool_t; /* boolean */ 44 45/* queue of linear buffers */ 46struct lbq { 47 u_char *l_head; /* next char to process */ 48 u_char *l_tail; /* one past the last char to process */ 49 struct lbq *l_next; /* next in queue */ 50 bool_t l_queued; /* nonzero if queued */ 51}; 52 53/* com device structure */ 54struct com_s { 55 u_int flags; /* Copy isa device flags */ 56 u_char state; /* miscellaneous flag bits */ 57 bool_t active_out; /* nonzero if the callout device is open */ 58 u_char cfcr_image; /* copy of value written to CFCR */ 59#ifdef COM_ESP 60 bool_t esp; /* is this unit a hayes esp board? */ 61#endif 62 u_char extra_state; /* more flag bits, separate for order trick */ 63 u_char fifo_image; /* copy of value written to FIFO */ 64 bool_t hasfifo; /* nonzero for 16550 UARTs */ 65 bool_t st16650a; /* Is a Startech 16650A or RTS/CTS compat */ 66 bool_t loses_outints; /* nonzero if device loses output interrupts */ 67 u_char mcr_image; /* copy of value written to MCR */ 68#ifdef COM_MULTIPORT 69 bool_t multiport; /* is this unit part of a multiport device? */ 70#endif /* COM_MULTIPORT */ 71 bool_t no_irq; /* nonzero if irq is not attached */ 72 bool_t gone; /* hardware disappeared */ 73 bool_t poll; /* nonzero if polling is required */ 74 bool_t poll_output; /* nonzero if polling for output is required */ 75 int unit; /* unit number */ 76 int dtr_wait; /* time to hold DTR down on close (* 1/hz) */ 77 u_int tx_fifo_size; 78 u_int wopeners; /* # processes waiting for DCD in open() */ 79 80 /* 81 * The high level of the driver never reads status registers directly 82 * because there would be too many side effects to handle conveniently. 83 * Instead, it reads copies of the registers stored here by the 84 * interrupt handler. 85 */ 86 u_char last_modem_status; /* last MSR read by intr handler */ 87 u_char prev_modem_status; /* last MSR handled by high level */ 88 89 u_char hotchar; /* ldisc-specific char to be handled ASAP */ 90 u_char *ibuf; /* start of input buffer */ 91 u_char *ibufend; /* end of input buffer */ 92 u_char *ibufold; /* old input buffer, to be freed */ 93 u_char *ihighwater; /* threshold in input buffer */ 94 u_char *iptr; /* next free spot in input buffer */ 95 int ibufsize; /* size of ibuf (not include error bytes) */ 96 int ierroff; /* offset of error bytes in ibuf */ 97 98 struct lbq obufq; /* head of queue of output buffers */ 99 struct lbq obufs[2]; /* output buffers */ 100 101 bus_space_tag_t bst; 102 bus_space_handle_t bsh; 103 104 Port_t data_port; /* i/o ports */ 105#ifdef COM_ESP 106 Port_t esp_port; 107#endif 108 Port_t int_id_port; 109 Port_t modem_ctl_port; 110 Port_t line_status_port; 111 Port_t modem_status_port; 112 Port_t intr_ctl_port; /* Ports of IIR register */ 113 114 struct tty *tp; /* cross reference */ 115 116 /* Initial state. */ 117 struct termios it_in; /* should be in struct tty */ 118 struct termios it_out; 119 120 /* Lock state. */ 121 struct termios lt_in; /* should be in struct tty */ 122 struct termios lt_out; 123 124 bool_t do_timestamp; 125 bool_t do_dcd_timestamp; 126 struct timeval timestamp; 127 struct timeval dcd_timestamp; 128 struct pps_state pps; 129 130 u_long bytes_in; /* statistics */ 131 u_long bytes_out; 132 u_int delta_error_counts[CE_NTYPES]; 133 u_long error_counts[CE_NTYPES]; 134 135 struct resource *irqres; 136 struct resource *ioportres; 137 void *cookie; 138 dev_t devs[6]; 139 140 /* 141 * Data area for output buffers. Someday we should build the output 142 * buffer queue without copying data. 143 */ 144 u_char obuf1[256]; 145 u_char obuf2[256]; 146}; 147 | |
| 148int sioattach __P((device_t dev, int xrid)); 149int siodetach __P((device_t dev)); 150int sioprobe __P((device_t dev, int xrid, int noprobe)); 151 152extern devclass_t sio_devclass; 153extern char sio_driver_name[]; | 36int sioattach __P((device_t dev, int xrid)); 37int siodetach __P((device_t dev)); 38int sioprobe __P((device_t dev, int xrid, int noprobe)); 39 40extern devclass_t sio_devclass; 41extern char sio_driver_name[]; |