1 /* $NetBSD: pckbcvar.h,v 1.13 2007/12/09 20:27:58 jmcneill 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #ifndef _DEV_IC_PCKBCVAR_H_ 30 #define _DEV_IC_PCKBCVAR_H_ 31 32 #include <sys/callout.h> 33 34 #include <dev/pckbport/pckbportvar.h> 35 36 #include "rnd.h" 37 #if NRND > 0 38 #include <sys/rnd.h> 39 #endif 40 41 typedef void *pckbc_tag_t; 42 typedef int pckbc_slot_t; 43 #define PCKBC_KBD_SLOT 0 44 #define PCKBC_AUX_SLOT 1 45 #define PCKBC_NSLOTS 2 46 47 /* Simple cmd/slot ringbuffer structure */ 48 struct pckbc_rbuf_item { 49 int data; 50 int slot; 51 }; 52 53 #define PCKBC_RBUF_SIZE 32 /* number of rbuf entries */ 54 55 /* 56 * external representation (pckbc_tag_t), 57 * needed early for console operation 58 */ 59 struct pckbc_internal { 60 pckbport_tag_t t_pt; 61 bus_space_tag_t t_iot; 62 bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */ 63 bus_addr_t t_addr; 64 u_char t_cmdbyte; /* shadow */ 65 66 int t_haveaux; /* controller has an aux port */ 67 struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS]; 68 69 struct pckbc_softc *t_sc; /* back pointer */ 70 71 struct callout t_cleanup; 72 73 struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE]; 74 int rbuf_read; 75 int rbuf_write; 76 }; 77 78 typedef void (*pckbc_inputfcn)(void *, int); 79 80 /* 81 * State per device. 82 */ 83 struct pckbc_softc { 84 struct device sc_dv; 85 struct pckbc_internal *id; 86 87 void (*intr_establish)(struct pckbc_softc *, pckbc_slot_t); 88 }; 89 90 struct pckbc_attach_args { 91 pckbc_tag_t pa_tag; 92 pckbc_slot_t pa_slot; 93 }; 94 95 extern const char * const pckbc_slot_names[]; 96 extern struct pckbc_internal pckbc_consdata; 97 extern int pckbc_console_attached; 98 99 /* These functions are sometimes called by match routines */ 100 int pckbc_send_cmd(bus_space_tag_t, bus_space_handle_t, u_char); 101 int pckbc_poll_data1(void *, pckbc_slot_t); 102 103 /* More normal calls from attach routines */ 104 void pckbc_attach(struct pckbc_softc *); 105 int pckbc_cnattach(bus_space_tag_t, bus_addr_t, bus_size_t, pckbc_slot_t); 106 int pckbc_is_console(bus_space_tag_t, bus_addr_t); 107 int pckbcintr(void *); 108 int pckbcintr_hard(void *); 109 void pckbcintr_soft(void *); 110 111 /* md hook for use without mi wscons */ 112 int pckbc_machdep_cnattach(pckbc_tag_t, pckbc_slot_t); 113 114 /* power management */ 115 bool pckbc_resume(device_t); 116 117 #endif /* _DEV_IC_PCKBCVAR_H_ */ 118