| 1 | /* $NetBSD: pckbcvar.h,v 1.21 2015/04/13 16:33:24 riastradh 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 | struct pckbc_attach_args { |
| 90 | pckbc_tag_t pa_tag; |
| 91 | pckbc_slot_t pa_slot; |
| 92 | }; |
| 93 | |
| 94 | extern const char * const pckbc_slot_names[]; |
| 95 | extern struct pckbc_internal pckbc_consdata; |
| 96 | extern int pckbc_console_attached; |
| 97 | |
| 98 | /* These functions are sometimes called by match routines */ |
| 99 | int pckbc_send_cmd(bus_space_tag_t, bus_space_handle_t, u_char); |
| 100 | int pckbc_poll_data1(void *, pckbc_slot_t); |
| 101 | |
| 102 | /* More normal calls from attach routines */ |
| 103 | void pckbc_attach(struct pckbc_softc *); |
| 104 | int pckbc_cnattach(bus_space_tag_t, bus_addr_t, bus_size_t, pckbc_slot_t, int); |
| 105 | int pckbc_is_console(bus_space_tag_t, bus_addr_t); |
| 106 | int pckbcintr(void *); |
| 107 | int pckbcintr_hard(void *); |
| 108 | void pckbcintr_soft(void *); |
| 109 | |
| 110 | /* md hook for use without mi wscons */ |
| 111 | int pckbc_machdep_cnattach(pckbc_tag_t, pckbc_slot_t); |
| 112 | |
| 113 | /* power management */ |
| 114 | bool pckbc_resume(device_t, const pmf_qual_t *); |
| 115 | |
| 116 | #endif /* _DEV_IC_PCKBCVAR_H_ */ |
| 117 | |