ppbus_conf.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_CONF_H 30 #define __PPBUS_CONF_H 31 32 #include <sys/device.h> 33 #include <sys/lock.h> 34 #include <sys/queue.h> 35 36 #include <machine/bus.h> 37 38 #include <dev/ppbus/ppbus_msq.h> 39 #include <dev/ppbus/ppbus_device.h> 40 41 42 /* Function pointer types used for interface */ 43 typedef u_char (*PARPORT_IO_T)(struct device *, int, u_char *, int, u_char); 44 typedef int (*PARPORT_EXEC_MICROSEQ_T)(struct device *, 45 struct ppbus_microseq **); 46 typedef void (*PARPORT_RESET_EPP_TIMEOUT_T)(struct device *); 47 typedef int (*PARPORT_SETMODE_T)(struct device *, int); 48 typedef int (*PARPORT_GETMODE_T)(struct device *); 49 typedef void (*PARPORT_ECP_SYNC_T)(struct device *); 50 typedef int (*PARPORT_READ_T)(struct device *, char *, int, int, size_t *); 51 typedef int (*PARPORT_WRITE_T)(struct device *, char *, int, int, size_t *); 52 typedef int (*PARPORT_READ_IVAR_T)(struct device *, int, unsigned int *); 53 typedef int (*PARPORT_WRITE_IVAR_T)(struct device *, int, unsigned int *); 54 typedef int (*PARPORT_DMA_MALLOC_T)(struct device *, caddr_t *, bus_addr_t *, 55 bus_size_t); 56 typedef void (*PARPORT_DMA_FREE_T)(struct device *, caddr_t *, bus_addr_t *, 57 bus_size_t); 58 typedef int (*PARPORT_ADD_HANDLER_T)(struct device *, void (*)(void *), 59 void *); 60 typedef int (*PARPORT_REMOVE_HANDLER_T)(struct device *, void (*)(void *)); 61 62 /* Adapter structure that each parport device needs to implement ppbus */ 63 struct parport_adapter { 64 u_int16_t capabilities; 65 66 /* Functions which make up interface */ 67 PARPORT_IO_T parport_io; 68 PARPORT_EXEC_MICROSEQ_T parport_exec_microseq; 69 PARPORT_RESET_EPP_TIMEOUT_T parport_reset_epp_timeout; 70 PARPORT_SETMODE_T parport_setmode; 71 PARPORT_GETMODE_T parport_getmode; 72 PARPORT_ECP_SYNC_T parport_ecp_sync; 73 PARPORT_READ_T parport_read; 74 PARPORT_WRITE_T parport_write; 75 PARPORT_READ_IVAR_T parport_read_ivar; 76 PARPORT_WRITE_IVAR_T parport_write_ivar; 77 PARPORT_DMA_MALLOC_T parport_dma_malloc; 78 PARPORT_DMA_FREE_T parport_dma_free; 79 PARPORT_ADD_HANDLER_T parport_add_handler; 80 PARPORT_REMOVE_HANDLER_T parport_remove_handler; 81 }; 82 83 /* Parallel Port Bus configuration structure. */ 84 struct ppbus_softc { 85 struct device sc_dev; 86 87 /* Lock for critical section when requesting/releasing the bus */ 88 struct lock sc_lock; 89 90 #define PPBUS_OK 1 91 #define PPBUS_NOK 0 92 u_int8_t sc_dev_ok; 93 94 /* ppbus capabilities (see ppbus_var.h) */ 95 u_int16_t sc_capabilities; 96 97 /* PnP device type defined in ppbus_var.h */ 98 int sc_class_id; /* not a PnP device if class_id < 0 */ 99 100 /* Defined in pbus_1284.h: error and host side state. */ 101 u_int32_t sc_1284_state; /* current IEEE1284 state */ 102 u_int32_t sc_1284_error; /* last IEEE1284 error */ 103 104 /* Use IEEE 1284 negociations in mode changes and direction changes */ 105 u_int32_t sc_use_ieee; 106 107 /* PPBUS mode masks defined in ppbus_var.h. */ 108 u_int32_t sc_mode; /* IEEE 1284-1994 mode */ 109 110 /* ppbus_device which owns the bus */ 111 struct device * ppbus_owner; 112 113 /* Head of list of child devices */ 114 SLIST_HEAD(childlist, ppbus_device_softc) sc_childlist_head; 115 116 /* Functions which make up interface */ 117 PARPORT_IO_T ppbus_io; 118 PARPORT_EXEC_MICROSEQ_T ppbus_exec_microseq; 119 PARPORT_RESET_EPP_TIMEOUT_T ppbus_reset_epp_timeout; 120 PARPORT_SETMODE_T ppbus_setmode; 121 PARPORT_GETMODE_T ppbus_getmode; 122 PARPORT_ECP_SYNC_T ppbus_ecp_sync; 123 PARPORT_READ_T ppbus_read; 124 PARPORT_WRITE_T ppbus_write; 125 PARPORT_READ_IVAR_T ppbus_read_ivar; 126 PARPORT_WRITE_IVAR_T ppbus_write_ivar; 127 PARPORT_DMA_MALLOC_T ppbus_dma_malloc; 128 PARPORT_DMA_FREE_T ppbus_dma_free; 129 PARPORT_ADD_HANDLER_T ppbus_add_handler; 130 PARPORT_REMOVE_HANDLER_T ppbus_remove_handler; 131 }; 132 133 #endif 134
Indexes created Mon Sep 29 21:09:56 GMT 2025