cpi_nubusvar.h revision 1.2.22.2
1 1.2.22.2 yamt /* $NetBSD: cpi_nubusvar.h,v 1.2.22.2 2009/05/04 08:11:27 yamt Exp $ */ 2 1.2.22.2 yamt 3 1.2.22.2 yamt /*- 4 1.2.22.2 yamt * Copyright (c) 2008 Hauke Fath 5 1.2.22.2 yamt * 6 1.2.22.2 yamt * Redistribution and use in source and binary forms, with or without 7 1.2.22.2 yamt * modification, are permitted provided that the following conditions 8 1.2.22.2 yamt * are met: 9 1.2.22.2 yamt * 1. Redistributions of source code must retain the above copyright 10 1.2.22.2 yamt * notice, this list of conditions and the following disclaimer. 11 1.2.22.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 12 1.2.22.2 yamt * notice, this list of conditions and the following disclaimer in the 13 1.2.22.2 yamt * documentation and/or other materials provided with the distribution. 14 1.2.22.2 yamt * 15 1.2.22.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.2.22.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 1.2.22.2 yamt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 1.2.22.2 yamt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 1.2.22.2 yamt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 1.2.22.2 yamt * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 1.2.22.2 yamt * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 1.2.22.2 yamt * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 1.2.22.2 yamt * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 1.2.22.2 yamt * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 1.2.22.2 yamt */ 26 1.2.22.2 yamt 27 1.2.22.2 yamt #ifndef CPI_NUBUSVAR_H 28 1.2.22.2 yamt #define CPI_NUBUSVAR_H 29 1.2.22.2 yamt 30 1.2.22.2 yamt /* Where we find the Z8536 CIO in Nubus slot space */ 31 1.2.22.2 yamt #define CIO_BASE_OFFSET 0x060010 32 1.2.22.2 yamt 33 1.2.22.2 yamt /* Max. length of card name string */ 34 1.2.22.2 yamt #define CPI_CARD_NAME_LEN 64 35 1.2.22.2 yamt 36 1.2.22.2 yamt /* The CIO lives on the top 8 bit of the 32 bit data bus. */ 37 1.2.22.2 yamt enum cio_regs { 38 1.2.22.2 yamt CIO_PORTC = 0x03, 39 1.2.22.2 yamt CIO_PORTB = 0x07, 40 1.2.22.2 yamt CIO_PORTA = 0x0b, 41 1.2.22.2 yamt CIO_CTRL = 0x0f 42 1.2.22.2 yamt }; 43 1.2.22.2 yamt 44 1.2.22.2 yamt #define CPI_UNIT(c) (minor(c) & 0x1f) 45 1.2.22.2 yamt 46 1.2.22.2 yamt enum lp_state { 47 1.2.22.2 yamt LP_INITIAL = 0, /* device is closed */ 48 1.2.22.2 yamt LP_OPENING, /* device is about to be opened */ 49 1.2.22.2 yamt LP_OPEN, /* device is open */ 50 1.2.22.2 yamt LP_BUSY, /* busy with data output */ 51 1.2.22.2 yamt LP_ASLEEP, /* waiting for output completion */ 52 1.2.22.2 yamt }; 53 1.2.22.2 yamt 54 1.2.22.2 yamt /* Bit masks for Centronics status + handshake lines */ 55 1.2.22.2 yamt enum hsk_lines { 56 1.2.22.2 yamt CPI_RESET = 0x01, /* PB0 */ 57 1.2.22.2 yamt CPI_STROBE = 0x08, /* PC3 */ 58 1.2.22.2 yamt CPI_BUSY = 0x40, /* PC0 */ 59 1.2.22.2 yamt CPI_SELECT = 0x20, /* PB5 */ 60 1.2.22.2 yamt CPI_FAULT = 0x02, /* PB1 */ 61 1.2.22.2 yamt CPI_PAPER_EMPTY = 0x02, /* PC1 */ 62 1.2.22.2 yamt CPI_ACK = 0x04 /* PC2 */ 63 1.2.22.2 yamt }; 64 1.2.22.2 yamt 65 1.2.22.2 yamt struct cpi_softc { 66 1.2.22.2 yamt struct device sc_dev; 67 1.2.22.2 yamt 68 1.2.22.2 yamt nubus_slot sc_slot; /* Nubus slot number */ 69 1.2.22.2 yamt char cardname[CPI_CARD_NAME_LEN]; 70 1.2.22.2 yamt 71 1.2.22.2 yamt bus_addr_t sc_basepa; /* base physical address */ 72 1.2.22.2 yamt bus_space_tag_t sc_bst; 73 1.2.22.2 yamt bus_space_handle_t sc_bsh; 74 1.2.22.2 yamt 75 1.2.22.2 yamt ulong sc_intcount; /* Hard interrupts */ 76 1.2.22.2 yamt ulong sc_bytestoport; /* Bytes written to port */ 77 1.2.22.2 yamt 78 1.2.22.2 yamt struct callout sc_wakeupchan; 79 1.2.22.2 yamt 80 1.2.22.2 yamt #define CPI_BUFSIZE 0x0800 81 1.2.22.2 yamt char *sc_printbuf; /* Driver's print buffer */ 82 1.2.22.2 yamt size_t sc_bufbytes; /* # of bytes in buffer */ 83 1.2.22.2 yamt u_char *sc_cp; /* Next byte to send */ 84 1.2.22.2 yamt 85 1.2.22.2 yamt u_char sc_lpstate; 86 1.2.22.2 yamt }; 87 1.2.22.2 yamt 88 1.2.22.2 yamt #endif /* CPI_NUBUSVAR_H */ 89
Indexes created Thu Oct 23 22:10:10 GMT 2025