opti82c558.c revision 1.3.2.2
1 1.3.2.2 lukem /* $NetBSD: opti82c558.c,v 1.3.2.2 2001/11/15 07:03:34 lukem Exp $ */ 2 1.3.2.2 lukem 3 1.3.2.2 lukem /*- 4 1.3.2.2 lukem * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 1.3.2.2 lukem * All rights reserved. 6 1.3.2.2 lukem * 7 1.3.2.2 lukem * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 lukem * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.3.2.2 lukem * NASA Ames Research Center. 10 1.3.2.2 lukem * 11 1.3.2.2 lukem * Redistribution and use in source and binary forms, with or without 12 1.3.2.2 lukem * modification, are permitted provided that the following conditions 13 1.3.2.2 lukem * are met: 14 1.3.2.2 lukem * 1. Redistributions of source code must retain the above copyright 15 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer. 16 1.3.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright 17 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer in the 18 1.3.2.2 lukem * documentation and/or other materials provided with the distribution. 19 1.3.2.2 lukem * 3. All advertising materials mentioning features or use of this software 20 1.3.2.2 lukem * must display the following acknowledgement: 21 1.3.2.2 lukem * This product includes software developed by the NetBSD 22 1.3.2.2 lukem * Foundation, Inc. and its contributors. 23 1.3.2.2 lukem * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.3.2.2 lukem * contributors may be used to endorse or promote products derived 25 1.3.2.2 lukem * from this software without specific prior written permission. 26 1.3.2.2 lukem * 27 1.3.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.3.2.2 lukem * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.3.2.2 lukem * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.3.2.2 lukem * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.3.2.2 lukem * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.3.2.2 lukem * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.3.2.2 lukem * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.3.2.2 lukem * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.3.2.2 lukem * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.3.2.2 lukem * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.3.2.2 lukem * POSSIBILITY OF SUCH DAMAGE. 38 1.3.2.2 lukem */ 39 1.3.2.2 lukem 40 1.3.2.2 lukem /* 41 1.3.2.2 lukem * Copyright (c) 1999, by UCHIYAMA Yasushi 42 1.3.2.2 lukem * All rights reserved. 43 1.3.2.2 lukem * 44 1.3.2.2 lukem * Redistribution and use in source and binary forms, with or without 45 1.3.2.2 lukem * modification, are permitted provided that the following conditions 46 1.3.2.2 lukem * are met: 47 1.3.2.2 lukem * 1. Redistributions of source code must retain the above copyright 48 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer. 49 1.3.2.2 lukem * 2. The name of the developer may NOT be used to endorse or promote products 50 1.3.2.2 lukem * derived from this software without specific prior written permission. 51 1.3.2.2 lukem * 52 1.3.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 53 1.3.2.2 lukem * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 1.3.2.2 lukem * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 1.3.2.2 lukem * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 56 1.3.2.2 lukem * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 1.3.2.2 lukem * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 1.3.2.2 lukem * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 1.3.2.2 lukem * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 1.3.2.2 lukem * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 1.3.2.2 lukem * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 1.3.2.2 lukem * SUCH DAMAGE. 63 1.3.2.2 lukem */ 64 1.3.2.2 lukem 65 1.3.2.2 lukem /* 66 1.3.2.2 lukem * Support for the Opti 82c558 PCI-ISA bridge interrupt controller. 67 1.3.2.2 lukem */ 68 1.3.2.2 lukem 69 1.3.2.2 lukem #include <sys/cdefs.h> 70 1.3.2.2 lukem __KERNEL_RCSID(0, "$NetBSD: opti82c558.c,v 1.3.2.2 2001/11/15 07:03:34 lukem Exp $"); 71 1.3.2.2 lukem 72 1.3.2.2 lukem #include <sys/param.h> 73 1.3.2.2 lukem #include <sys/systm.h> 74 1.3.2.2 lukem #include <sys/device.h> 75 1.3.2.2 lukem #include <sys/malloc.h> 76 1.3.2.2 lukem 77 1.3.2.2 lukem #include <machine/intr.h> 78 1.3.2.2 lukem #include <machine/bus.h> 79 1.3.2.2 lukem 80 1.3.2.2 lukem #include <dev/pci/pcivar.h> 81 1.3.2.2 lukem #include <dev/pci/pcireg.h> 82 1.3.2.2 lukem #include <dev/pci/pcidevs.h> 83 1.3.2.2 lukem 84 1.3.2.2 lukem #include <i386/pci/pci_intr_fixup.h> 85 1.3.2.2 lukem #include <i386/pci/opti82c558reg.h> 86 1.3.2.2 lukem 87 1.3.2.2 lukem int opti82c558_getclink __P((pciintr_icu_handle_t, int, int *)); 88 1.3.2.2 lukem int opti82c558_get_intr __P((pciintr_icu_handle_t, int, int *)); 89 1.3.2.2 lukem int opti82c558_set_intr __P((pciintr_icu_handle_t, int, int)); 90 1.3.2.2 lukem int opti82c558_get_trigger __P((pciintr_icu_handle_t, int, int *)); 91 1.3.2.2 lukem int opti82c558_set_trigger __P((pciintr_icu_handle_t, int, int)); 92 1.3.2.2 lukem 93 1.3.2.2 lukem const struct pciintr_icu opti82c558_pci_icu = { 94 1.3.2.2 lukem opti82c558_getclink, 95 1.3.2.2 lukem opti82c558_get_intr, 96 1.3.2.2 lukem opti82c558_set_intr, 97 1.3.2.2 lukem opti82c558_get_trigger, 98 1.3.2.2 lukem opti82c558_set_trigger, 99 1.3.2.2 lukem }; 100 1.3.2.2 lukem 101 1.3.2.2 lukem struct opti82c558_handle { 102 1.3.2.2 lukem pci_chipset_tag_t ph_pc; 103 1.3.2.2 lukem pcitag_t ph_tag; 104 1.3.2.2 lukem }; 105 1.3.2.2 lukem 106 1.3.2.2 lukem static const int viper_pirq_decode[] = { 107 1.3.2.2 lukem -1, 5, 9, 10, 11, 12, 14, 15 108 1.3.2.2 lukem }; 109 1.3.2.2 lukem 110 1.3.2.2 lukem static const int viper_pirq_encode[] = { 111 1.3.2.2 lukem -1, /* 0 */ 112 1.3.2.2 lukem -1, /* 1 */ 113 1.3.2.2 lukem -1, /* 2 */ 114 1.3.2.2 lukem -1, /* 3 */ 115 1.3.2.2 lukem -1, /* 4 */ 116 1.3.2.2 lukem VIPER_PIRQ_5, /* 5 */ 117 1.3.2.2 lukem -1, /* 6 */ 118 1.3.2.2 lukem -1, /* 7 */ 119 1.3.2.2 lukem -1, /* 8 */ 120 1.3.2.2 lukem VIPER_PIRQ_9, /* 9 */ 121 1.3.2.2 lukem VIPER_PIRQ_10, /* 10 */ 122 1.3.2.2 lukem VIPER_PIRQ_11, /* 11 */ 123 1.3.2.2 lukem VIPER_PIRQ_12, /* 12 */ 124 1.3.2.2 lukem -1, /* 13 */ 125 1.3.2.2 lukem VIPER_PIRQ_14, /* 14 */ 126 1.3.2.2 lukem VIPER_PIRQ_15, /* 15 */ 127 1.3.2.2 lukem }; 128 1.3.2.2 lukem 129 1.3.2.2 lukem int 130 1.3.2.2 lukem opti82c558_init(pc, iot, tag, ptagp, phandp) 131 1.3.2.2 lukem pci_chipset_tag_t pc; 132 1.3.2.2 lukem bus_space_tag_t iot; 133 1.3.2.2 lukem pcitag_t tag; 134 1.3.2.2 lukem pciintr_icu_tag_t *ptagp; 135 1.3.2.2 lukem pciintr_icu_handle_t *phandp; 136 1.3.2.2 lukem { 137 1.3.2.2 lukem struct opti82c558_handle *ph; 138 1.3.2.2 lukem 139 1.3.2.2 lukem ph = malloc(sizeof(*ph), M_DEVBUF, M_NOWAIT); 140 1.3.2.2 lukem if (ph == NULL) 141 1.3.2.2 lukem return (1); 142 1.3.2.2 lukem 143 1.3.2.2 lukem ph->ph_pc = pc; 144 1.3.2.2 lukem ph->ph_tag = tag; 145 1.3.2.2 lukem 146 1.3.2.2 lukem *ptagp = &opti82c558_pci_icu; 147 1.3.2.2 lukem *phandp = ph; 148 1.3.2.2 lukem return (0); 149 1.3.2.2 lukem } 150 1.3.2.2 lukem 151 1.3.2.2 lukem int 152 1.3.2.2 lukem opti82c558_getclink(v, link, clinkp) 153 1.3.2.2 lukem pciintr_icu_handle_t v; 154 1.3.2.2 lukem int link, *clinkp; 155 1.3.2.2 lukem { 156 1.3.2.2 lukem 157 1.3.2.2 lukem if (VIPER_LEGAL_LINK(link - 1)) { 158 1.3.2.2 lukem *clinkp = link - 1; 159 1.3.2.2 lukem return (0); 160 1.3.2.2 lukem } 161 1.3.2.2 lukem 162 1.3.2.2 lukem return (1); 163 1.3.2.2 lukem } 164 1.3.2.2 lukem 165 1.3.2.2 lukem int 166 1.3.2.2 lukem opti82c558_get_intr(v, clink, irqp) 167 1.3.2.2 lukem pciintr_icu_handle_t v; 168 1.3.2.2 lukem int clink, *irqp; 169 1.3.2.2 lukem { 170 1.3.2.2 lukem struct opti82c558_handle *ph = v; 171 1.3.2.2 lukem pcireg_t reg; 172 1.3.2.2 lukem int val; 173 1.3.2.2 lukem 174 1.3.2.2 lukem if (VIPER_LEGAL_LINK(clink) == 0) 175 1.3.2.2 lukem return (1); 176 1.3.2.2 lukem 177 1.3.2.2 lukem reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 178 1.3.2.2 lukem val = VIPER_PIRQ(reg, clink); 179 1.3.2.2 lukem *irqp = (val == VIPER_PIRQ_NONE) ? 180 1.3.2.2 lukem I386_PCI_INTERRUPT_LINE_NO_CONNECTION : viper_pirq_decode[val]; 181 1.3.2.2 lukem 182 1.3.2.2 lukem return (0); 183 1.3.2.2 lukem } 184 1.3.2.2 lukem 185 1.3.2.2 lukem int 186 1.3.2.2 lukem opti82c558_set_intr(v, clink, irq) 187 1.3.2.2 lukem pciintr_icu_handle_t v; 188 1.3.2.2 lukem int clink, irq; 189 1.3.2.2 lukem { 190 1.3.2.2 lukem struct opti82c558_handle *ph = v; 191 1.3.2.2 lukem int shift; 192 1.3.2.2 lukem pcireg_t reg; 193 1.3.2.2 lukem 194 1.3.2.2 lukem if (VIPER_LEGAL_LINK(clink) == 0 || VIPER_LEGAL_IRQ(irq) == 0) 195 1.3.2.2 lukem return (1); 196 1.3.2.2 lukem 197 1.3.2.2 lukem reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 198 1.3.2.2 lukem shift = VIPER_PIRQ_SELECT_SHIFT * clink; 199 1.3.2.2 lukem reg &= ~(VIPER_PIRQ_SELECT_MASK << shift); 200 1.3.2.2 lukem reg |= (viper_pirq_encode[irq] << shift); 201 1.3.2.2 lukem pci_conf_write(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ, reg); 202 1.3.2.2 lukem 203 1.3.2.2 lukem return (0); 204 1.3.2.2 lukem } 205 1.3.2.2 lukem 206 1.3.2.2 lukem int 207 1.3.2.2 lukem opti82c558_get_trigger(v, irq, triggerp) 208 1.3.2.2 lukem pciintr_icu_handle_t v; 209 1.3.2.2 lukem int irq, *triggerp; 210 1.3.2.2 lukem { 211 1.3.2.2 lukem struct opti82c558_handle *ph = v; 212 1.3.2.2 lukem pcireg_t reg; 213 1.3.2.2 lukem 214 1.3.2.2 lukem if (VIPER_LEGAL_IRQ(irq) == 0) { 215 1.3.2.2 lukem /* ISA IRQ? */ 216 1.3.2.2 lukem *triggerp = IST_EDGE; 217 1.3.2.2 lukem return (0); 218 1.3.2.2 lukem } 219 1.3.2.2 lukem 220 1.3.2.2 lukem reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 221 1.3.2.2 lukem if ((reg >> (VIPER_CFG_TRIGGER_SHIFT + viper_pirq_encode[irq])) & 1) 222 1.3.2.2 lukem *triggerp = IST_LEVEL; 223 1.3.2.2 lukem else 224 1.3.2.2 lukem *triggerp = IST_EDGE; 225 1.3.2.2 lukem 226 1.3.2.2 lukem return (0); 227 1.3.2.2 lukem } 228 1.3.2.2 lukem 229 1.3.2.2 lukem int 230 1.3.2.2 lukem opti82c558_set_trigger(v, irq, trigger) 231 1.3.2.2 lukem pciintr_icu_handle_t v; 232 1.3.2.2 lukem int irq, trigger; 233 1.3.2.2 lukem { 234 1.3.2.2 lukem struct opti82c558_handle *ph = v; 235 1.3.2.2 lukem int shift; 236 1.3.2.2 lukem pcireg_t reg; 237 1.3.2.2 lukem 238 1.3.2.2 lukem if (VIPER_LEGAL_IRQ(irq) == 0) { 239 1.3.2.2 lukem /* ISA IRQ? */ 240 1.3.2.2 lukem return ((trigger != IST_LEVEL) ? 0 : 1); 241 1.3.2.2 lukem } 242 1.3.2.2 lukem 243 1.3.2.2 lukem reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 244 1.3.2.2 lukem shift = (VIPER_CFG_TRIGGER_SHIFT + viper_pirq_encode[irq]); 245 1.3.2.2 lukem if (trigger == IST_LEVEL) 246 1.3.2.2 lukem reg |= (1 << shift); 247 1.3.2.2 lukem else 248 1.3.2.2 lukem reg &= ~(1 << shift); 249 1.3.2.2 lukem pci_conf_write(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ, reg); 250 1.3.2.2 lukem 251 1.3.2.2 lukem return (0); 252 1.3.2.2 lukem } 253
Indexes created Fri Oct 31 11:10:07 GMT 2025