opti82c558.c revision 1.2.4.2
1 1.2.4.2 bouyer /* $NetBSD: opti82c558.c,v 1.2.4.2 2000/11/20 20:09:34 bouyer Exp $ */ 2 1.2.4.2 bouyer 3 1.2.4.2 bouyer /*- 4 1.2.4.2 bouyer * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 1.2.4.2 bouyer * All rights reserved. 6 1.2.4.2 bouyer * 7 1.2.4.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 bouyer * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.2.4.2 bouyer * NASA Ames Research Center. 10 1.2.4.2 bouyer * 11 1.2.4.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.2.4.2 bouyer * modification, are permitted provided that the following conditions 13 1.2.4.2 bouyer * are met: 14 1.2.4.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.2.4.2 bouyer * notice, this list of conditions and the following disclaimer. 16 1.2.4.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.4.2 bouyer * notice, this list of conditions and the following disclaimer in the 18 1.2.4.2 bouyer * documentation and/or other materials provided with the distribution. 19 1.2.4.2 bouyer * 3. All advertising materials mentioning features or use of this software 20 1.2.4.2 bouyer * must display the following acknowledgement: 21 1.2.4.2 bouyer * This product includes software developed by the NetBSD 22 1.2.4.2 bouyer * Foundation, Inc. and its contributors. 23 1.2.4.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.4.2 bouyer * contributors may be used to endorse or promote products derived 25 1.2.4.2 bouyer * from this software without specific prior written permission. 26 1.2.4.2 bouyer * 27 1.2.4.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.4.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.4.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.4.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.4.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.4.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.4.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.4.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.4.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.4.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.4.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 38 1.2.4.2 bouyer */ 39 1.2.4.2 bouyer 40 1.2.4.2 bouyer /* 41 1.2.4.2 bouyer * Copyright (c) 1999, by UCHIYAMA Yasushi 42 1.2.4.2 bouyer * All rights reserved. 43 1.2.4.2 bouyer * 44 1.2.4.2 bouyer * Redistribution and use in source and binary forms, with or without 45 1.2.4.2 bouyer * modification, are permitted provided that the following conditions 46 1.2.4.2 bouyer * are met: 47 1.2.4.2 bouyer * 1. Redistributions of source code must retain the above copyright 48 1.2.4.2 bouyer * notice, this list of conditions and the following disclaimer. 49 1.2.4.2 bouyer * 2. The name of the developer may NOT be used to endorse or promote products 50 1.2.4.2 bouyer * derived from this software without specific prior written permission. 51 1.2.4.2 bouyer * 52 1.2.4.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 53 1.2.4.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 1.2.4.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 1.2.4.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 56 1.2.4.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 1.2.4.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 1.2.4.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 1.2.4.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 1.2.4.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 1.2.4.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 1.2.4.2 bouyer * SUCH DAMAGE. 63 1.2.4.2 bouyer */ 64 1.2.4.2 bouyer 65 1.2.4.2 bouyer /* 66 1.2.4.2 bouyer * Support for the Opti 82c558 PCI-ISA bridge interrupt controller. 67 1.2.4.2 bouyer */ 68 1.2.4.2 bouyer 69 1.2.4.2 bouyer #include <sys/param.h> 70 1.2.4.2 bouyer #include <sys/systm.h> 71 1.2.4.2 bouyer #include <sys/device.h> 72 1.2.4.2 bouyer #include <sys/malloc.h> 73 1.2.4.2 bouyer 74 1.2.4.2 bouyer #include <machine/intr.h> 75 1.2.4.2 bouyer #include <machine/bus.h> 76 1.2.4.2 bouyer 77 1.2.4.2 bouyer #include <dev/pci/pcivar.h> 78 1.2.4.2 bouyer #include <dev/pci/pcireg.h> 79 1.2.4.2 bouyer #include <dev/pci/pcidevs.h> 80 1.2.4.2 bouyer 81 1.2.4.2 bouyer #include <i386/pci/pci_intr_fixup.h> 82 1.2.4.2 bouyer #include <i386/pci/opti82c558reg.h> 83 1.2.4.2 bouyer 84 1.2.4.2 bouyer int opti82c558_getclink __P((pciintr_icu_handle_t, int, int *)); 85 1.2.4.2 bouyer int opti82c558_get_intr __P((pciintr_icu_handle_t, int, int *)); 86 1.2.4.2 bouyer int opti82c558_set_intr __P((pciintr_icu_handle_t, int, int)); 87 1.2.4.2 bouyer int opti82c558_get_trigger __P((pciintr_icu_handle_t, int, int *)); 88 1.2.4.2 bouyer int opti82c558_set_trigger __P((pciintr_icu_handle_t, int, int)); 89 1.2.4.2 bouyer 90 1.2.4.2 bouyer const struct pciintr_icu opti82c558_pci_icu = { 91 1.2.4.2 bouyer opti82c558_getclink, 92 1.2.4.2 bouyer opti82c558_get_intr, 93 1.2.4.2 bouyer opti82c558_set_intr, 94 1.2.4.2 bouyer opti82c558_get_trigger, 95 1.2.4.2 bouyer opti82c558_set_trigger, 96 1.2.4.2 bouyer }; 97 1.2.4.2 bouyer 98 1.2.4.2 bouyer struct opti82c558_handle { 99 1.2.4.2 bouyer pci_chipset_tag_t ph_pc; 100 1.2.4.2 bouyer pcitag_t ph_tag; 101 1.2.4.2 bouyer }; 102 1.2.4.2 bouyer 103 1.2.4.2 bouyer static const int viper_pirq_decode[] = { 104 1.2.4.2 bouyer -1, 5, 9, 10, 11, 12, 14, 15 105 1.2.4.2 bouyer }; 106 1.2.4.2 bouyer 107 1.2.4.2 bouyer static const int viper_pirq_encode[] = { 108 1.2.4.2 bouyer -1, /* 0 */ 109 1.2.4.2 bouyer -1, /* 1 */ 110 1.2.4.2 bouyer -1, /* 2 */ 111 1.2.4.2 bouyer -1, /* 3 */ 112 1.2.4.2 bouyer -1, /* 4 */ 113 1.2.4.2 bouyer VIPER_PIRQ_5, /* 5 */ 114 1.2.4.2 bouyer -1, /* 6 */ 115 1.2.4.2 bouyer -1, /* 7 */ 116 1.2.4.2 bouyer -1, /* 8 */ 117 1.2.4.2 bouyer VIPER_PIRQ_9, /* 9 */ 118 1.2.4.2 bouyer VIPER_PIRQ_10, /* 10 */ 119 1.2.4.2 bouyer VIPER_PIRQ_11, /* 11 */ 120 1.2.4.2 bouyer VIPER_PIRQ_12, /* 12 */ 121 1.2.4.2 bouyer -1, /* 13 */ 122 1.2.4.2 bouyer VIPER_PIRQ_14, /* 14 */ 123 1.2.4.2 bouyer VIPER_PIRQ_15, /* 15 */ 124 1.2.4.2 bouyer }; 125 1.2.4.2 bouyer 126 1.2.4.2 bouyer int 127 1.2.4.2 bouyer opti82c558_init(pc, iot, tag, ptagp, phandp) 128 1.2.4.2 bouyer pci_chipset_tag_t pc; 129 1.2.4.2 bouyer bus_space_tag_t iot; 130 1.2.4.2 bouyer pcitag_t tag; 131 1.2.4.2 bouyer pciintr_icu_tag_t *ptagp; 132 1.2.4.2 bouyer pciintr_icu_handle_t *phandp; 133 1.2.4.2 bouyer { 134 1.2.4.2 bouyer struct opti82c558_handle *ph; 135 1.2.4.2 bouyer 136 1.2.4.2 bouyer ph = malloc(sizeof(*ph), M_DEVBUF, M_NOWAIT); 137 1.2.4.2 bouyer if (ph == NULL) 138 1.2.4.2 bouyer return (1); 139 1.2.4.2 bouyer 140 1.2.4.2 bouyer ph->ph_pc = pc; 141 1.2.4.2 bouyer ph->ph_tag = tag; 142 1.2.4.2 bouyer 143 1.2.4.2 bouyer *ptagp = &opti82c558_pci_icu; 144 1.2.4.2 bouyer *phandp = ph; 145 1.2.4.2 bouyer return (0); 146 1.2.4.2 bouyer } 147 1.2.4.2 bouyer 148 1.2.4.2 bouyer int 149 1.2.4.2 bouyer opti82c558_getclink(v, link, clinkp) 150 1.2.4.2 bouyer pciintr_icu_handle_t v; 151 1.2.4.2 bouyer int link, *clinkp; 152 1.2.4.2 bouyer { 153 1.2.4.2 bouyer 154 1.2.4.2 bouyer if (VIPER_LEGAL_LINK(link - 1)) { 155 1.2.4.2 bouyer *clinkp = link - 1; 156 1.2.4.2 bouyer return (0); 157 1.2.4.2 bouyer } 158 1.2.4.2 bouyer 159 1.2.4.2 bouyer return (1); 160 1.2.4.2 bouyer } 161 1.2.4.2 bouyer 162 1.2.4.2 bouyer int 163 1.2.4.2 bouyer opti82c558_get_intr(v, clink, irqp) 164 1.2.4.2 bouyer pciintr_icu_handle_t v; 165 1.2.4.2 bouyer int clink, *irqp; 166 1.2.4.2 bouyer { 167 1.2.4.2 bouyer struct opti82c558_handle *ph = v; 168 1.2.4.2 bouyer pcireg_t reg; 169 1.2.4.2 bouyer int val; 170 1.2.4.2 bouyer 171 1.2.4.2 bouyer if (VIPER_LEGAL_LINK(clink) == 0) 172 1.2.4.2 bouyer return (1); 173 1.2.4.2 bouyer 174 1.2.4.2 bouyer reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 175 1.2.4.2 bouyer val = VIPER_PIRQ(reg, clink); 176 1.2.4.2 bouyer *irqp = (val == VIPER_PIRQ_NONE) ? 177 1.2.4.2 bouyer I386_PCI_INTERRUPT_LINE_NO_CONNECTION : viper_pirq_decode[val]; 178 1.2.4.2 bouyer 179 1.2.4.2 bouyer return (0); 180 1.2.4.2 bouyer } 181 1.2.4.2 bouyer 182 1.2.4.2 bouyer int 183 1.2.4.2 bouyer opti82c558_set_intr(v, clink, irq) 184 1.2.4.2 bouyer pciintr_icu_handle_t v; 185 1.2.4.2 bouyer int clink, irq; 186 1.2.4.2 bouyer { 187 1.2.4.2 bouyer struct opti82c558_handle *ph = v; 188 1.2.4.2 bouyer int shift; 189 1.2.4.2 bouyer pcireg_t reg; 190 1.2.4.2 bouyer 191 1.2.4.2 bouyer if (VIPER_LEGAL_LINK(clink) == 0 || VIPER_LEGAL_IRQ(irq) == 0) 192 1.2.4.2 bouyer return (1); 193 1.2.4.2 bouyer 194 1.2.4.2 bouyer reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 195 1.2.4.2 bouyer shift = VIPER_PIRQ_SELECT_SHIFT * clink; 196 1.2.4.2 bouyer reg &= ~(VIPER_PIRQ_SELECT_MASK << shift); 197 1.2.4.2 bouyer reg |= (viper_pirq_encode[irq] << shift); 198 1.2.4.2 bouyer pci_conf_write(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ, reg); 199 1.2.4.2 bouyer 200 1.2.4.2 bouyer return (0); 201 1.2.4.2 bouyer } 202 1.2.4.2 bouyer 203 1.2.4.2 bouyer int 204 1.2.4.2 bouyer opti82c558_get_trigger(v, irq, triggerp) 205 1.2.4.2 bouyer pciintr_icu_handle_t v; 206 1.2.4.2 bouyer int irq, *triggerp; 207 1.2.4.2 bouyer { 208 1.2.4.2 bouyer struct opti82c558_handle *ph = v; 209 1.2.4.2 bouyer pcireg_t reg; 210 1.2.4.2 bouyer 211 1.2.4.2 bouyer if (VIPER_LEGAL_IRQ(irq) == 0) { 212 1.2.4.2 bouyer /* ISA IRQ? */ 213 1.2.4.2 bouyer *triggerp = IST_EDGE; 214 1.2.4.2 bouyer return (0); 215 1.2.4.2 bouyer } 216 1.2.4.2 bouyer 217 1.2.4.2 bouyer reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 218 1.2.4.2 bouyer if ((reg >> (VIPER_CFG_TRIGGER_SHIFT + viper_pirq_encode[irq])) & 1) 219 1.2.4.2 bouyer *triggerp = IST_LEVEL; 220 1.2.4.2 bouyer else 221 1.2.4.2 bouyer *triggerp = IST_EDGE; 222 1.2.4.2 bouyer 223 1.2.4.2 bouyer return (0); 224 1.2.4.2 bouyer } 225 1.2.4.2 bouyer 226 1.2.4.2 bouyer int 227 1.2.4.2 bouyer opti82c558_set_trigger(v, irq, trigger) 228 1.2.4.2 bouyer pciintr_icu_handle_t v; 229 1.2.4.2 bouyer int irq, trigger; 230 1.2.4.2 bouyer { 231 1.2.4.2 bouyer struct opti82c558_handle *ph = v; 232 1.2.4.2 bouyer int shift; 233 1.2.4.2 bouyer pcireg_t reg; 234 1.2.4.2 bouyer 235 1.2.4.2 bouyer if (VIPER_LEGAL_IRQ(irq) == 0) { 236 1.2.4.2 bouyer /* ISA IRQ? */ 237 1.2.4.2 bouyer return ((trigger != IST_LEVEL) ? 0 : 1); 238 1.2.4.2 bouyer } 239 1.2.4.2 bouyer 240 1.2.4.2 bouyer reg = pci_conf_read(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ); 241 1.2.4.2 bouyer shift = (VIPER_CFG_TRIGGER_SHIFT + viper_pirq_encode[irq]); 242 1.2.4.2 bouyer if (trigger == IST_LEVEL) 243 1.2.4.2 bouyer reg |= (1 << shift); 244 1.2.4.2 bouyer else 245 1.2.4.2 bouyer reg &= ~(1 << shift); 246 1.2.4.2 bouyer pci_conf_write(ph->ph_pc, ph->ph_tag, VIPER_CFG_PIRQ, reg); 247 1.2.4.2 bouyer 248 1.2.4.2 bouyer return (0); 249 1.2.4.2 bouyer } 250
Indexes created Tue Oct 21 08:09:48 GMT 2025