1 /* $NetBSD: pckbcvar.h,v 1.7 2003/12/12 14:30:16 martin Exp $ */ 2 3 /* 4 * Copyright (c) 1998 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Matthias Drochner. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #ifndef _DEV_IC_PCKBCVAR_H_ 36 #define _DEV_IC_PCKBCVAR_H_ 37 38 #include <sys/callout.h> 39 40 typedef void *pckbc_tag_t; 41 typedef int pckbc_slot_t; 42 #define PCKBC_KBD_SLOT 0 43 #define PCKBC_AUX_SLOT 1 44 #define PCKBC_NSLOTS 2 45 46 /* Simple cmd/slot ringbuffer structure */ 47 struct pckbc_rbuf_item { 48 int data; 49 int slot; 50 }; 51 52 #define PCKBC_RBUF_SIZE 32 /* number of rbuf entries */ 53 54 /* 55 * external representation (pckbc_tag_t), 56 * needed early for console operation 57 */ 58 struct pckbc_internal { 59 bus_space_tag_t t_iot; 60 bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */ 61 bus_addr_t t_addr; 62 u_char t_cmdbyte; /* shadow */ 63 64 int t_haveaux; /* controller has an aux port */ 65 struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS]; 66 67 struct pckbc_softc *t_sc; /* back pointer */ 68 69 struct callout t_cleanup; 70 71 struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE]; 72 int rbuf_read; 73 int rbuf_write; 74 }; 75 76 typedef void (*pckbc_inputfcn) __P((void *, int)); 77 78 /* 79 * State per device. 80 */ 81 struct pckbc_softc { 82 struct device sc_dv; 83 struct pckbc_internal *id; 84 85 pckbc_inputfcn inputhandler[PCKBC_NSLOTS]; 86 void *inputarg[PCKBC_NSLOTS]; 87 char *subname[PCKBC_NSLOTS]; 88 89 void (*intr_establish) __P((struct pckbc_softc *, pckbc_slot_t)); 90 }; 91 92 struct pckbc_attach_args { 93 pckbc_tag_t pa_tag; 94 pckbc_slot_t pa_slot; 95 }; 96 97 extern const char * const pckbc_slot_names[]; 98 extern struct pckbc_internal pckbc_consdata; 99 extern int pckbc_console_attached; 100 101 void pckbc_set_inputhandler __P((pckbc_tag_t, pckbc_slot_t, 102 pckbc_inputfcn, void *, char *)); 103 104 void pckbc_flush __P((pckbc_tag_t, pckbc_slot_t)); 105 int pckbc_poll_cmd __P((pckbc_tag_t, pckbc_slot_t, u_char *, int, 106 int, u_char *, int)); 107 int pckbc_enqueue_cmd __P((pckbc_tag_t, pckbc_slot_t, u_char *, int, 108 int, int, u_char *)); 109 int pckbc_send_cmd __P((bus_space_tag_t, bus_space_handle_t, u_char)); 110 int pckbc_poll_data __P((pckbc_tag_t, pckbc_slot_t)); 111 int pckbc_poll_data1 __P((pckbc_tag_t, pckbc_slot_t, int)); 112 void pckbc_set_poll __P((pckbc_tag_t, pckbc_slot_t, int)); 113 int pckbc_xt_translation __P((pckbc_tag_t, pckbc_slot_t, int)); 114 void pckbc_slot_enable __P((pckbc_tag_t, pckbc_slot_t, int)); 115 116 void pckbc_attach __P((struct pckbc_softc *)); 117 int pckbc_cnattach __P((bus_space_tag_t, bus_addr_t, bus_size_t, 118 pckbc_slot_t)); 119 int pckbc_is_console __P((bus_space_tag_t, bus_addr_t)); 120 int pckbcintr __P((void *)); 121 int pckbcintr_hard __P((void *)); 122 void pckbcintr_soft __P((void *)); 123 124 /* md hook for use without mi wscons */ 125 int pckbc_machdep_cnattach __P((pckbc_tag_t, pckbc_slot_t)); 126 127 #endif /* _DEV_IC_PCKBCVAR_H_ */ 128