atppc_puc.c revision 1.1
1 /* $NetBSD: atppc_puc.c,v 1.1 2004/01/25 11:50:51 jdolecek Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jaromir Dolecek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include "opt_atppc.h" 40 41 #include <sys/cdefs.h> 42 __KERNEL_RCSID(0, "$NetBSD: atppc_puc.c,v 1.1 2004/01/25 11:50:51 jdolecek Exp $"); 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/errno.h> 47 #include <sys/ioctl.h> 48 #include <sys/syslog.h> 49 #include <sys/device.h> 50 #include <sys/proc.h> 51 #include <sys/termios.h> 52 53 #include <machine/bus.h> 54 55 #include <dev/pci/pcivar.h> 56 #include <dev/pci/pucvar.h> 57 58 #include <dev/ic/atppcvar.h> 59 60 static int atppc_puc_match(struct device *, struct cfdata *, void *); 61 static void atppc_puc_attach(struct device *, struct device *, void *); 62 63 CFATTACH_DECL(atppc_puc, sizeof(struct atppc_softc), atppc_puc_match, 64 atppc_puc_attach, NULL, NULL); 65 66 static int atppc_puc_dma_start(struct atppc_softc *, void *, u_int, 67 u_int8_t); 68 static int atppc_puc_dma_finish(struct atppc_softc *); 69 static int atppc_puc_dma_abort(struct atppc_softc *); 70 static int atppc_puc_dma_malloc(struct device *, caddr_t *, bus_addr_t *, 71 bus_size_t); 72 static void atppc_puc_dma_free(struct device *, caddr_t *, bus_addr_t *, 73 bus_size_t); 74 75 /* 76 * atppc_acpi_match: autoconf(9) match routine 77 */ 78 static int 79 atppc_puc_match(struct device *parent, struct cfdata *match, void *aux) 80 { 81 struct puc_attach_args *aa = aux; 82 83 /* 84 * Locators already matched, just check the type. 85 */ 86 if (aa->type != PUC_PORT_TYPE_LPT) 87 return (0); 88 89 return (1); 90 } 91 92 static void 93 atppc_puc_attach(struct device *parent, struct device *self, void *aux) 94 { 95 struct atppc_softc *sc = (struct atppc_softc *) self; 96 struct puc_attach_args *aa = aux; 97 const char *intrstr; 98 99 sc->sc_dev_ok = ATPPC_NOATTACH; 100 101 printf(": AT Parallel Port\n"); 102 103 /* Attach */ 104 sc->sc_iot = aa->t; 105 sc->sc_ioh = aa->h; 106 sc->sc_dmat = aa->dmat; 107 sc->sc_has = 0; 108 109 intrstr = pci_intr_string(aa->pc, aa->intrhandle); 110 sc->sc_ieh = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY, 111 atppcintr, sc); 112 if (sc->sc_ieh == NULL) { 113 printf("%s: couldn't establish interrupt", 114 sc->sc_dev.dv_xname); 115 if (intrstr != NULL) 116 printf(" at %s", intrstr); 117 printf("\n"); 118 return; 119 } 120 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 121 sc->sc_has |= ATPPC_HAS_INTR; 122 123 /* setup DMA hooks */ 124 /* XXX setup dma maps */ 125 sc->sc_dma_start = atppc_puc_dma_start; 126 sc->sc_dma_finish = atppc_puc_dma_finish; 127 sc->sc_dma_abort = atppc_puc_dma_abort; 128 sc->sc_dma_malloc = atppc_puc_dma_malloc; 129 sc->sc_dma_free = atppc_puc_dma_free; 130 //sc->sc_has |= ATPPC_HAS_DMA; 131 132 /* Finished attach */ 133 sc->sc_dev_ok = ATPPC_ATTACHED; 134 135 /* Run soft configuration attach */ 136 atppc_sc_attach(sc); 137 } 138 139 /* Start DMA operation over PCI bus */ 140 static int 141 atppc_puc_dma_start(struct atppc_softc *lsc, void *buf, u_int nbytes, 142 u_int8_t mode) 143 { 144 145 /* Nothing to do */ 146 return (0); 147 } 148 149 /* Stop DMA operation over PCI bus */ 150 static int 151 atppc_puc_dma_finish(struct atppc_softc * lsc) 152 { 153 154 /* Nothing to do */ 155 return (0); 156 } 157 158 /* Abort DMA operation over PCI bus */ 159 int 160 atppc_puc_dma_abort(struct atppc_softc * lsc) 161 { 162 163 /* Nothing to do */ 164 return (0); 165 } 166 167 /* Allocate memory for DMA over PCI bus */ 168 int 169 atppc_puc_dma_malloc(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr, 170 bus_size_t size) 171 { 172 return 0; 173 /* 174 struct atppc_puc_softc * sc = (struct atppc_acpi_softc *) dev; 175 176 return atppc_isadma_malloc(sc->sc_ic, sc->sc_drq, buf, bus_addr, size); 177 */ 178 } 179 180 /* Free memory allocated by atppc_isa_dma_malloc() */ 181 void 182 atppc_puc_dma_free(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr, 183 bus_size_t size) 184 { 185 /* 186 struct atppc_acpi_softc * sc = (struct atppc_acpi_softc *) dev; 187 188 return atppc_isadma_free(sc->sc_ic, sc->sc_drq, buf, bus_addr, size); 189 */ 190 } 191
Indexes created Wed Oct 01 15:09:59 GMT 2025