1 /* $NetBSD: pckbcvar.h,v 1.20 2012/10/13 18:14:09 jdc 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 38 39 #include <sys/rnd.h> 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 int t_flags; 66 #define PCKBC_CANT_TRANSLATE 0x0001 /* can't translate to XT scancodes */ 67 #define PCKBC_NEED_AUXWRITE 0x0002 /* need auxwrite command to find aux */ 68 69 int t_haveaux; /* controller has an aux port */ 70 struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS]; 71 72 struct pckbc_softc *t_sc; /* back pointer */ 73 74 struct callout t_cleanup; 75 76 struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE]; 77 int rbuf_read; 78 int rbuf_write; 79 }; 80 81 typedef void (*pckbc_inputfcn)(void *, int); 82 83 /* 84 * State per device. 85 */ 86 struct pckbc_softc { 87 device_t sc_dv; 88 struct pckbc_internal *id; 89 90 void (*intr_establish)(struct pckbc_softc *, pckbc_slot_t); 91 }; 92 93 struct pckbc_attach_args { 94 pckbc_tag_t pa_tag; 95 pckbc_slot_t pa_slot; 96 }; 97 98 extern const char * const pckbc_slot_names[]; 99 extern struct pckbc_internal pckbc_consdata; 100 extern int pckbc_console_attached; 101 102 /* These functions are sometimes called by match routines */ 103 int pckbc_send_cmd(bus_space_tag_t, bus_space_handle_t, u_char); 104 int pckbc_poll_data1(void *, pckbc_slot_t); 105 106 /* More normal calls from attach routines */ 107 void pckbc_attach(struct pckbc_softc *); 108 int pckbc_cnattach(bus_space_tag_t, bus_addr_t, bus_size_t, pckbc_slot_t, int); 109 int pckbc_is_console(bus_space_tag_t, bus_addr_t); 110 int pckbcintr(void *); 111 int pckbcintr_hard(void *); 112 void pckbcintr_soft(void *); 113 114 /* md hook for use without mi wscons */ 115 int pckbc_machdep_cnattach(pckbc_tag_t, pckbc_slot_t); 116 117 /* power management */ 118 bool pckbc_resume(device_t, const pmf_qual_t *); 119 120 #endif /* _DEV_IC_PCKBCVAR_H_ */ 121