1 /* $NetBSD: pckbcvar.h,v 1.22 2021/12/07 19:45:05 skrll 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 #include <sys/pmf.h> 34 35 #include <dev/pckbport/pckbportvar.h> 36 37 typedef void *pckbc_tag_t; 38 typedef int pckbc_slot_t; 39 #define PCKBC_KBD_SLOT 0 40 #define PCKBC_AUX_SLOT 1 41 #define PCKBC_NSLOTS 2 42 43 /* Simple cmd/slot ringbuffer structure */ 44 struct pckbc_rbuf_item { 45 int data; 46 int slot; 47 }; 48 49 #define PCKBC_RBUF_SIZE 32 /* number of rbuf entries */ 50 51 /* 52 * external representation (pckbc_tag_t), 53 * needed early for console operation 54 */ 55 struct pckbc_internal { 56 pckbport_tag_t t_pt; 57 bus_space_tag_t t_iot; 58 bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */ 59 bus_addr_t t_addr; 60 u_char t_cmdbyte; /* shadow */ 61 int t_flags; 62 #define PCKBC_CANT_TRANSLATE 0x0001 /* can't translate to XT scancodes */ 63 #define PCKBC_NEED_AUXWRITE 0x0002 /* need auxwrite command to find aux */ 64 65 int t_haveaux; /* controller has an aux port */ 66 struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS]; 67 68 struct pckbc_softc *t_sc; /* back pointer */ 69 70 struct callout t_cleanup; 71 72 struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE]; 73 int rbuf_read; 74 int rbuf_write; 75 }; 76 77 typedef void (*pckbc_inputfcn)(void *, int); 78 79 /* 80 * State per device. 81 */ 82 struct pckbc_softc { 83 device_t sc_dv; 84 struct pckbc_internal *id; 85 86 void (*intr_establish)(struct pckbc_softc *, pckbc_slot_t); 87 }; 88 89 extern const char * const pckbc_slot_names[]; 90 extern struct pckbc_internal pckbc_consdata; 91 extern int pckbc_console_attached; 92 93 /* These functions are sometimes called by match routines */ 94 int pckbc_send_cmd(bus_space_tag_t, bus_space_handle_t, u_char); 95 int pckbc_poll_data1(void *, pckbc_slot_t); 96 97 /* More normal calls from attach routines */ 98 void pckbc_attach(struct pckbc_softc *); 99 int pckbc_cnattach(bus_space_tag_t, bus_addr_t, bus_size_t, pckbc_slot_t, int); 100 int pckbc_is_console(bus_space_tag_t, bus_addr_t); 101 int pckbcintr(void *); 102 int pckbcintr_hard(void *); 103 void pckbcintr_soft(void *); 104 105 /* md hook for use without mi wscons */ 106 int pckbc_machdep_cnattach(pckbc_tag_t, pckbc_slot_t); 107 108 /* power management */ 109 bool pckbc_resume(device_t, const pmf_qual_t *); 110 111 #endif /* _DEV_IC_PCKBCVAR_H_ */ 112