ppbus_base.h revision 1.1
1 /* 2 * Copyright (c) 1997, 1998, 1999 Nicolas Souchu 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/ppbus/ppbconf.h,v 1.17.2.1 2000/05/24 00:20:57 n_hibma Exp $ 27 * 28 */ 29 #ifndef __PPBUS_BASE_H 30 #define __PPBUS_BASE_H 31 32 #include <machine/bus.h> 33 34 #include <dev/ppbus/ppbus_msq.h> 35 36 37 /* Parallel Port Chipset control bits. */ 38 #define STROBE 0x01 39 #define AUTOFEED 0x02 40 #define nINIT 0x04 41 #define SELECTIN 0x08 42 #define IRQENABLE 0x10 43 #define PCD 0x20 44 45 #define nSTROBE inv(STROBE) 46 #define nAUTOFEED inv(AUTOFEED) 47 #define INIT inv(nINIT) 48 #define nSELECTIN inv(SELECTIN) 49 #define nPCD inv(PCD) 50 51 /* Parallel Port Chipset status bits. */ 52 #define TIMEOUT 0x01 53 #define nFAULT 0x08 54 #define SELECT 0x10 55 #define PERROR 0x20 56 #define nACK 0x40 57 #define nBUSY 0x80 58 59 /* Byte mode signals */ 60 #define HOSTCLK nSTROBE /* Also ECP mode signal */ 61 #define HOSTBUSY nAUTOFEED 62 #define ACTIVE1284 nSELECTIN /* Also ECP mode signal */ 63 #define PTRCLK nACK 64 #define PTRBUSY BUSY 65 #define ACKDATAREQ PERROR 66 #define XFLAG SELECT /* Also ECP mode signal */ 67 #define nDATAVAIL nERROR 68 69 /* ECP mode signals */ 70 #define HOSTACK nAUTOFEED 71 #define nREVREQ nINIT 72 #define PERICLK nACK 73 #define PERIACK BUSY 74 #define nACKREV PERROR 75 #define nPERIREQ nERROR 76 77 /* EPP mode signals */ 78 #define nWRITE nSTROBE 79 #define nDATASTB nAUTOFEED 80 #define nADDRSTB nSELECTIN 81 #define nWAIT BUSY 82 /* 83 #define nINIT nRESET 84 #define nACK nINTR 85 */ 86 87 /* ECR register bit definitions */ 88 #define ECR_FIFO_EMPTY 0x1 /* ecr register - bit 0 */ 89 #define ECR_FIFO_FULL 0x2 /* ecr register - bit 1 */ 90 #define ECR_SERVICE_INTR 0x4 /* ecr register - bit 2 */ 91 #define ECR_ENABLE_DMA 0x8 /* ecr register - bit 3 */ 92 #define ECR_nFAULT_INTR 0x10 /* ecr register - bit 4 */ 93 /* bits 5 through 7 */ 94 #define ECR_STD 0x00 /* Standard mode */ 95 #define ECR_PS2 0x20 /* Bidirectional mode */ 96 #define ECR_FIFO 0x40 /* Fast Centronics mode */ 97 #define ECR_ECP 0x60 /* ECP mode */ 98 #define ECR_EPP 0x80 /* EPP mode */ 99 #define ECR_TST 0xc0 /* Test mode*/ 100 101 /* Used for IEEE 1284 'PNP' detection */ 102 #define PPBUS_PNP_PRINTER 0 103 #define PPBUS_PNP_MODEM 1 104 #define PPBUS_PNP_NET 2 105 #define PPBUS_PNP_HDC 3 106 #define PPBUS_PNP_PCMCIA 4 107 #define PPBUS_PNP_MEDIA 5 108 #define PPBUS_PNP_FDC 6 109 #define PPBUS_PNP_PORTS 7 110 #define PPBUS_PNP_SCANNER 8 111 #define PPBUS_PNP_DIGICAM 9 112 #define PPBUS_PNP_UNKNOWN 10 113 114 115 /* Structure to store status information. */ 116 struct ppbus_status { 117 unsigned char status; 118 119 unsigned int timeout:1; 120 unsigned int error:1; 121 unsigned int select:1; 122 unsigned int paper_end:1; 123 unsigned int ack:1; 124 unsigned int busy:1; 125 }; 126 127 /* How tsleep() is called in ppbus_request_bus(). */ 128 #define PPBUS_DONTWAIT 0 129 #define PPBUS_NOINTR 0 130 #define PPBUS_WAIT 0x1 131 #define PPBUS_INTR 0x2 132 #define PPBUS_POLL 0x4 133 #define PPBUS_FOREVER -1 134 135 136 #ifdef _KERNEL 137 138 /* PPBUS interface functions (includes parport interface) */ 139 int ppbus_scan_bus(struct device *); 140 void ppbus_pnp_detect(struct device *); 141 int ppbus_request_bus(struct device *, struct device *, int, unsigned int); 142 int ppbus_release_bus(struct device *, struct device *, int, unsigned int); 143 int ppbus_get_status(struct device *, struct ppbus_status *); 144 int ppbus_poll_bus(struct device *, int, char, char, int); 145 146 /* Parport interface function prototypes */ 147 int ppbus_read_ivar(struct device *, int, unsigned int *); 148 int ppbus_write_ivar(struct device *, int, unsigned int *); 149 int ppbus_reset_epp_timeout(struct device *); 150 int ppbus_ecp_sync(struct device *); 151 int ppbus_set_mode(struct device *, int, int); 152 int ppbus_get_mode(struct device *); 153 int ppbus_write(struct device *, char *, int, int, size_t *); 154 int ppbus_read(struct device *, char *, int, int, size_t *); 155 int ppbus_exec_microseq(struct device *, struct ppbus_microseq * *); 156 int ppbus_io(struct device *, int, u_char *, int, u_char); 157 int ppbus_dma_malloc(struct device *, caddr_t *, bus_addr_t *, bus_size_t); 158 int ppbus_dma_free(struct device *, caddr_t *, bus_addr_t *, bus_size_t); 159 int ppbus_add_handler(struct device *, void (*)(void *), void *); 160 int ppbus_remove_handler(struct device *, void (*)(void *)); 161 162 #endif /* _KERNEL */ 163 164 #endif /* __PPBUS_BASE_H */ 165 166
Indexes created Mon Sep 29 21:09:56 GMT 2025