1 /* $NetBSD: ppbus_conf.h,v 1.12 2011/02/18 21:38:17 phx 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/gpio.h> 38 #include <sys/mutex.h> 39 #include <sys/queue.h> 40 41 #include <sys/bus.h> 42 43 #include <dev/ppbus/ppbus_msq.h> 44 #include <dev/ppbus/ppbus_device.h> 45 46 #if NGPIO > 0 47 #include <dev/gpio/gpiovar.h> 48 #define PPBUS_NPINS 17 49 #endif 50 51 /* Function pointer types used for interface */ 52 typedef u_char (*PARPORT_IO_T)(device_t, int, u_char *, int, u_char); 53 typedef int (*PARPORT_EXEC_MICROSEQ_T)(device_t, 54 struct ppbus_microseq **); 55 typedef void (*PARPORT_RESET_EPP_TIMEOUT_T)(device_t); 56 typedef int (*PARPORT_SETMODE_T)(device_t, int); 57 typedef int (*PARPORT_GETMODE_T)(device_t); 58 typedef void (*PARPORT_ECP_SYNC_T)(device_t); 59 typedef int (*PARPORT_READ_T)(device_t, char *, int, int, size_t *); 60 typedef int (*PARPORT_WRITE_T)(device_t, char *, int, int, size_t *); 61 typedef int (*PARPORT_READ_IVAR_T)(device_t, int, unsigned int *); 62 typedef int (*PARPORT_WRITE_IVAR_T)(device_t, int, unsigned int *); 63 typedef int (*PARPORT_DMA_MALLOC_T)(device_t, void **, bus_addr_t *, 64 bus_size_t); 65 typedef void (*PARPORT_DMA_FREE_T)(device_t, void **, bus_addr_t *, 66 bus_size_t); 67 typedef int (*PARPORT_ADD_HANDLER_T)(device_t, void (*)(void *), 68 void *); 69 typedef int (*PARPORT_REMOVE_HANDLER_T)(device_t, void (*)(void *)); 70 71 /* Adapter structure that each parport device needs to implement ppbus */ 72 struct parport_adapter { 73 u_int16_t capabilities; 74 75 /* Functions which make up interface */ 76 PARPORT_IO_T parport_io; 77 PARPORT_EXEC_MICROSEQ_T parport_exec_microseq; 78 PARPORT_RESET_EPP_TIMEOUT_T parport_reset_epp_timeout; 79 PARPORT_SETMODE_T parport_setmode; 80 PARPORT_GETMODE_T parport_getmode; 81 PARPORT_ECP_SYNC_T parport_ecp_sync; 82 PARPORT_READ_T parport_read; 83 PARPORT_WRITE_T parport_write; 84 PARPORT_READ_IVAR_T parport_read_ivar; 85 PARPORT_WRITE_IVAR_T parport_write_ivar; 86 PARPORT_DMA_MALLOC_T parport_dma_malloc; 87 PARPORT_DMA_FREE_T parport_dma_free; 88 PARPORT_ADD_HANDLER_T parport_add_handler; 89 PARPORT_REMOVE_HANDLER_T parport_remove_handler; 90 }; 91 92 /* Parallel Port Bus configuration structure. */ 93 struct ppbus_softc { 94 device_t sc_dev; 95 96 /* Lock for critical section when requesting/releasing the bus */ 97 kmutex_t sc_lock; 98 99 #define PPBUS_OK 1 100 #define PPBUS_NOK 0 101 u_int8_t sc_dev_ok; 102 103 /* ppbus capabilities (see ppbus_var.h) */ 104 u_int16_t sc_capabilities; 105 106 /* PnP device type defined in ppbus_var.h */ 107 int sc_class_id; /* not a PnP device if class_id < 0 */ 108 109 /* Defined in pbus_1284.h: error and host side state. */ 110 u_int32_t sc_1284_state; /* current IEEE1284 state */ 111 u_int32_t sc_1284_error; /* last IEEE1284 error */ 112 113 /* Use IEEE 1284 negotiations in mode changes and direction changes */ 114 u_int32_t sc_use_ieee; 115 116 /* PPBUS mode masks defined in ppbus_var.h. */ 117 u_int32_t sc_mode; /* IEEE 1284-1994 mode */ 118 119 /* ppbus_device which owns the bus */ 120 device_t ppbus_owner; 121 122 /* Head of list of child devices */ 123 SLIST_HEAD(childlist, ppbus_device_softc) sc_childlist_head; 124 125 /* Functions which make up interface */ 126 PARPORT_IO_T ppbus_io; 127 PARPORT_EXEC_MICROSEQ_T ppbus_exec_microseq; 128 PARPORT_RESET_EPP_TIMEOUT_T ppbus_reset_epp_timeout; 129 PARPORT_SETMODE_T ppbus_setmode; 130 PARPORT_GETMODE_T ppbus_getmode; 131 PARPORT_ECP_SYNC_T ppbus_ecp_sync; 132 PARPORT_READ_T ppbus_read; 133 PARPORT_WRITE_T ppbus_write; 134 PARPORT_READ_IVAR_T ppbus_read_ivar; 135 PARPORT_WRITE_IVAR_T ppbus_write_ivar; 136 PARPORT_DMA_MALLOC_T ppbus_dma_malloc; 137 PARPORT_DMA_FREE_T ppbus_dma_free; 138 PARPORT_ADD_HANDLER_T ppbus_add_handler; 139 PARPORT_REMOVE_HANDLER_T ppbus_remove_handler; 140 141 #if NGPIO > 0 142 struct gpio_chipset_tag sc_gpio_gc; 143 gpio_pin_t sc_gpio_pins[PPBUS_NPINS]; 144 #endif 145 }; 146 147 #if NGPIO > 0 148 void gpio_ppbus_attach(struct ppbus_softc *); 149 #endif 150 151 #endif /* __PPBUS_CONF_H */ 152