1 /* $NetBSD: ppbus_conf.h,v 1.11 2008/04/29 14:07:37 cegger Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 1999 Nicolas Souchu 5 * 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 AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/dev/ppbus/ppbconf.h,v 1.17.2.1 2000/05/24 00:20:57 n_hibma Exp $ 29 * 30 */ 31 #ifndef __PPBUS_CONF_H 32 #define __PPBUS_CONF_H 33 34 #include "gpio.h" 35 36 #include <sys/device.h> 37 #include <sys/mutex.h> 38 #include <sys/queue.h> 39 40 #include <sys/bus.h> 41 42 #include <dev/ppbus/ppbus_msq.h> 43 #include <dev/ppbus/ppbus_device.h> 44 45 #if NGPIO > 0 46 #include <dev/gpio/gpiovar.h> 47 #define PPBUS_NPINS 17 48 #endif 49 50 /* Function pointer types used for interface */ 51 typedef u_char (*PARPORT_IO_T)(device_t, int, u_char *, int, u_char); 52 typedef int (*PARPORT_EXEC_MICROSEQ_T)(device_t, 53 struct ppbus_microseq **); 54 typedef void (*PARPORT_RESET_EPP_TIMEOUT_T)(device_t); 55 typedef int (*PARPORT_SETMODE_T)(device_t, int); 56 typedef int (*PARPORT_GETMODE_T)(device_t); 57 typedef void (*PARPORT_ECP_SYNC_T)(device_t); 58 typedef int (*PARPORT_READ_T)(device_t, char *, int, int, size_t *); 59 typedef int (*PARPORT_WRITE_T)(device_t, char *, int, int, size_t *); 60 typedef int (*PARPORT_READ_IVAR_T)(device_t, int, unsigned int *); 61 typedef int (*PARPORT_WRITE_IVAR_T)(device_t, int, unsigned int *); 62 typedef int (*PARPORT_DMA_MALLOC_T)(device_t, void **, bus_addr_t *, 63 bus_size_t); 64 typedef void (*PARPORT_DMA_FREE_T)(device_t, void **, bus_addr_t *, 65 bus_size_t); 66 typedef int (*PARPORT_ADD_HANDLER_T)(device_t, void (*)(void *), 67 void *); 68 typedef int (*PARPORT_REMOVE_HANDLER_T)(device_t, void (*)(void *)); 69 70 /* Adapter structure that each parport device needs to implement ppbus */ 71 struct parport_adapter { 72 u_int16_t capabilities; 73 74 /* Functions which make up interface */ 75 PARPORT_IO_T parport_io; 76 PARPORT_EXEC_MICROSEQ_T parport_exec_microseq; 77 PARPORT_RESET_EPP_TIMEOUT_T parport_reset_epp_timeout; 78 PARPORT_SETMODE_T parport_setmode; 79 PARPORT_GETMODE_T parport_getmode; 80 PARPORT_ECP_SYNC_T parport_ecp_sync; 81 PARPORT_READ_T parport_read; 82 PARPORT_WRITE_T parport_write; 83 PARPORT_READ_IVAR_T parport_read_ivar; 84 PARPORT_WRITE_IVAR_T parport_write_ivar; 85 PARPORT_DMA_MALLOC_T parport_dma_malloc; 86 PARPORT_DMA_FREE_T parport_dma_free; 87 PARPORT_ADD_HANDLER_T parport_add_handler; 88 PARPORT_REMOVE_HANDLER_T parport_remove_handler; 89 }; 90 91 /* Parallel Port Bus configuration structure. */ 92 struct ppbus_softc { 93 device_t sc_dev; 94 95 /* Lock for critical section when requesting/releasing the bus */ 96 kmutex_t sc_lock; 97 98 #define PPBUS_OK 1 99 #define PPBUS_NOK 0 100 u_int8_t sc_dev_ok; 101 102 /* ppbus capabilities (see ppbus_var.h) */ 103 u_int16_t sc_capabilities; 104 105 /* PnP device type defined in ppbus_var.h */ 106 int sc_class_id; /* not a PnP device if class_id < 0 */ 107 108 /* Defined in pbus_1284.h: error and host side state. */ 109 u_int32_t sc_1284_state; /* current IEEE1284 state */ 110 u_int32_t sc_1284_error; /* last IEEE1284 error */ 111 112 /* Use IEEE 1284 negotiations in mode changes and direction changes */ 113 u_int32_t sc_use_ieee; 114 115 /* PPBUS mode masks defined in ppbus_var.h. */ 116 u_int32_t sc_mode; /* IEEE 1284-1994 mode */ 117 118 /* ppbus_device which owns the bus */ 119 device_t ppbus_owner; 120 121 /* Head of list of child devices */ 122 SLIST_HEAD(childlist, ppbus_device_softc) sc_childlist_head; 123 124 /* Functions which make up interface */ 125 PARPORT_IO_T ppbus_io; 126 PARPORT_EXEC_MICROSEQ_T ppbus_exec_microseq; 127 PARPORT_RESET_EPP_TIMEOUT_T ppbus_reset_epp_timeout; 128 PARPORT_SETMODE_T ppbus_setmode; 129 PARPORT_GETMODE_T ppbus_getmode; 130 PARPORT_ECP_SYNC_T ppbus_ecp_sync; 131 PARPORT_READ_T ppbus_read; 132 PARPORT_WRITE_T ppbus_write; 133 PARPORT_READ_IVAR_T ppbus_read_ivar; 134 PARPORT_WRITE_IVAR_T ppbus_write_ivar; 135 PARPORT_DMA_MALLOC_T ppbus_dma_malloc; 136 PARPORT_DMA_FREE_T ppbus_dma_free; 137 PARPORT_ADD_HANDLER_T ppbus_add_handler; 138 PARPORT_REMOVE_HANDLER_T ppbus_remove_handler; 139 140 #if NGPIO > 0 141 struct gpio_chipset_tag sc_gpio_gc; 142 gpio_pin_t sc_gpio_pins[PPBUS_NPINS]; 143 #endif 144 }; 145 146 #if NGPIO > 0 147 void gpio_ppbus_attach(struct ppbus_softc *); 148 #endif 149 150 #endif /* __PPBUS_CONF_H */ 151