ali1543.c revision 1.3.2.2
1 1.3.2.2 lukem /* $NetBSD: ali1543.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) 2001 5 1.3.2.2 lukem * HAYAKAWA Koichi. All rights reserved. 6 1.3.2.2 lukem * 7 1.3.2.2 lukem * Redistribution and use in source and binary forms, with or without 8 1.3.2.2 lukem * modification, are permitted provided that the following conditions 9 1.3.2.2 lukem * are met: 10 1.3.2.2 lukem * 1. Redistributions of source code must retain the above copyright 11 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer. 12 1.3.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright 13 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer in the 14 1.3.2.2 lukem * documentation and/or other materials provided with the distribution. 15 1.3.2.2 lukem * 3. The name of the author may not be used to endorse or promote products 16 1.3.2.2 lukem * derived from this software without specific prior written permission. 17 1.3.2.2 lukem * 18 1.3.2.2 lukem * 19 1.3.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 1.3.2.2 lukem * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 1.3.2.2 lukem * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 1.3.2.2 lukem * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 23 1.3.2.2 lukem * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 1.3.2.2 lukem * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 25 1.3.2.2 lukem * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.3.2.2 lukem * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 27 1.3.2.2 lukem * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 1.3.2.2 lukem * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.3.2.2 lukem * POSSIBILITY OF SUCH DAMAGE. 30 1.3.2.2 lukem */ 31 1.3.2.2 lukem 32 1.3.2.2 lukem /*- 33 1.3.2.2 lukem * Copyright (c) 1999 The NetBSD Foundation, Inc. 34 1.3.2.2 lukem * All rights reserved. 35 1.3.2.2 lukem * 36 1.3.2.2 lukem * This code is derived from software contributed to The NetBSD Foundation 37 1.3.2.2 lukem * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 38 1.3.2.2 lukem * NASA Ames Research Center. 39 1.3.2.2 lukem * 40 1.3.2.2 lukem * Redistribution and use in source and binary forms, with or without 41 1.3.2.2 lukem * modification, are permitted provided that the following conditions 42 1.3.2.2 lukem * are met: 43 1.3.2.2 lukem * 1. Redistributions of source code must retain the above copyright 44 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer. 45 1.3.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright 46 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer in the 47 1.3.2.2 lukem * documentation and/or other materials provided with the distribution. 48 1.3.2.2 lukem * 3. All advertising materials mentioning features or use of this software 49 1.3.2.2 lukem * must display the following acknowledgement: 50 1.3.2.2 lukem * This product includes software developed by the NetBSD 51 1.3.2.2 lukem * Foundation, Inc. and its contributors. 52 1.3.2.2 lukem * 4. Neither the name of The NetBSD Foundation nor the names of its 53 1.3.2.2 lukem * contributors may be used to endorse or promote products derived 54 1.3.2.2 lukem * from this software without specific prior written permission. 55 1.3.2.2 lukem * 56 1.3.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 57 1.3.2.2 lukem * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 58 1.3.2.2 lukem * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 59 1.3.2.2 lukem * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 60 1.3.2.2 lukem * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 1.3.2.2 lukem * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 1.3.2.2 lukem * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 1.3.2.2 lukem * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 1.3.2.2 lukem * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 1.3.2.2 lukem * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66 1.3.2.2 lukem * POSSIBILITY OF SUCH DAMAGE. 67 1.3.2.2 lukem */ 68 1.3.2.2 lukem 69 1.3.2.2 lukem /* 70 1.3.2.2 lukem * Copyright (c) 1999, by UCHIYAMA Yasushi 71 1.3.2.2 lukem * All rights reserved. 72 1.3.2.2 lukem * 73 1.3.2.2 lukem * Redistribution and use in source and binary forms, with or without 74 1.3.2.2 lukem * modification, are permitted provided that the following conditions 75 1.3.2.2 lukem * are met: 76 1.3.2.2 lukem * 1. Redistributions of source code must retain the above copyright 77 1.3.2.2 lukem * notice, this list of conditions and the following disclaimer. 78 1.3.2.2 lukem * 2. The name of the developer may NOT be used to endorse or promote products 79 1.3.2.2 lukem * derived from this software without specific prior written permission. 80 1.3.2.2 lukem * 81 1.3.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 82 1.3.2.2 lukem * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 83 1.3.2.2 lukem * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 84 1.3.2.2 lukem * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 85 1.3.2.2 lukem * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 86 1.3.2.2 lukem * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 87 1.3.2.2 lukem * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 88 1.3.2.2 lukem * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 89 1.3.2.2 lukem * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 90 1.3.2.2 lukem * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 91 1.3.2.2 lukem * SUCH DAMAGE. 92 1.3.2.2 lukem */ 93 1.3.2.2 lukem 94 1.3.2.2 lukem /* HAYAKAWA Koichi wrote ALi 1543 PCI ICU code basing on VIA82C586 driver */ 95 1.3.2.2 lukem 96 1.3.2.2 lukem #include <sys/cdefs.h> 97 1.3.2.2 lukem __KERNEL_RCSID(0, "$NetBSD: ali1543.c,v 1.3.2.2 2001/11/15 07:03:34 lukem Exp $"); 98 1.3.2.2 lukem 99 1.3.2.2 lukem #include <sys/param.h> 100 1.3.2.2 lukem #include <sys/systm.h> 101 1.3.2.2 lukem #include <sys/errno.h> 102 1.3.2.2 lukem #include <sys/device.h> 103 1.3.2.2 lukem #include <sys/malloc.h> 104 1.3.2.2 lukem #include <sys/proc.h> 105 1.3.2.2 lukem 106 1.3.2.2 lukem #include <machine/intr.h> 107 1.3.2.2 lukem #include <machine/bus.h> 108 1.3.2.2 lukem 109 1.3.2.2 lukem #include <dev/pci/pcivar.h> 110 1.3.2.2 lukem #include <dev/pci/pcireg.h> 111 1.3.2.2 lukem #include <dev/pci/pcidevs.h> 112 1.3.2.2 lukem 113 1.3.2.2 lukem #include <i386/pci/pci_intr_fixup.h> 114 1.3.2.2 lukem #include <i386/pci/piixvar.h> 115 1.3.2.2 lukem 116 1.3.2.2 lukem 117 1.3.2.2 lukem int ali1543_getclink (pciintr_icu_handle_t, int, int *); 118 1.3.2.2 lukem int ali1543_get_intr (pciintr_icu_handle_t, int, int *); 119 1.3.2.2 lukem int ali1543_set_intr (pciintr_icu_handle_t, int, int); 120 1.3.2.2 lukem 121 1.3.2.2 lukem 122 1.3.2.2 lukem const struct pciintr_icu ali1543_icu = { 123 1.3.2.2 lukem ali1543_getclink, 124 1.3.2.2 lukem ali1543_get_intr, 125 1.3.2.2 lukem ali1543_set_intr, 126 1.3.2.2 lukem piix_get_trigger, 127 1.3.2.2 lukem piix_set_trigger, 128 1.3.2.2 lukem }; 129 1.3.2.2 lukem 130 1.3.2.2 lukem 131 1.3.2.2 lukem /* 132 1.3.2.2 lukem * Linux source code (linux/arch/i386/kernel/pci-irq.c) says that the 133 1.3.2.2 lukem * irq order of ALi PCI ICU is shuffled. 134 1.3.2.2 lukem */ 135 1.3.2.2 lukem const static int ali1543_intr_shuffle_get[16] = { 136 1.3.2.2 lukem 0, 9, 3, 10, 4, 5, 7, 6, 1, 11, 0, 12, 0, 14, 0, 15 137 1.3.2.2 lukem }; 138 1.3.2.2 lukem const static int ali1543_intr_shuffle_set[16] = { 139 1.3.2.2 lukem 0, 8, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15 140 1.3.2.2 lukem }; 141 1.3.2.2 lukem 142 1.3.2.2 lukem #define ALI1543_IRQ_MASK 0xdefa 143 1.3.2.2 lukem 144 1.3.2.2 lukem #define ALI1543_LEGAL_LINK(link) (((link) >= 0) && ((link) <= 7)) 145 1.3.2.2 lukem #define ALI1543_LEGAL_IRQ(irq) ((1 << (irq)) & ALI1543_IRQ_MASK) 146 1.3.2.2 lukem 147 1.3.2.2 lukem #define ALI1543_INTR_CFG_REG 0x48 148 1.3.2.2 lukem 149 1.3.2.2 lukem #define ALI1543_INTR_PIRQA_SHIFT 0 150 1.3.2.2 lukem #define ALI1543_INTR_PIRQA_MASK 0x0000000f 151 1.3.2.2 lukem #define ALI1543_INTR_PIRQB_SHIFT 4 152 1.3.2.2 lukem #define ALI1543_INTR_PIRQB_MASK 0x000000f0 153 1.3.2.2 lukem #define ALI1543_INTR_PIRQC_SHIFT 8 154 1.3.2.2 lukem #define ALI1543_INTR_PIRQC_MASK 0x00000f00 155 1.3.2.2 lukem #define ALI1543_INTR_PIRQD_SHIFT 12 156 1.3.2.2 lukem #define ALI1543_INTR_PIRQD_MASK 0x0000f000 157 1.3.2.2 lukem 158 1.3.2.2 lukem #define ALI1543_INTR_PIRQ_SHIFT(clink) ((clink)*4) 159 1.3.2.2 lukem #define ALI1543_INTR_PIRQ_IRQ(reg, clink) \ 160 1.3.2.2 lukem (((reg) >> ((clink)*4)) & 0x0f) 161 1.3.2.2 lukem #define ALI1543_PIRQ(reg, clink) \ 162 1.3.2.2 lukem ali1543_intr_shuffle_get[ALI1543_INTR_PIRQ_IRQ((reg), (clink))] 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 ali1543_init(pci_chipset_tag_t pc, bus_space_tag_t iot, pcitag_t tag, 167 1.3.2.2 lukem pciintr_icu_tag_t *ptagp, pciintr_icu_handle_t *phandp) 168 1.3.2.2 lukem { 169 1.3.2.2 lukem 170 1.3.2.2 lukem if (piix_init(pc, iot, tag, ptagp, phandp) == 0) { 171 1.3.2.2 lukem *ptagp = &ali1543_icu; 172 1.3.2.2 lukem 173 1.3.2.2 lukem return (0); 174 1.3.2.2 lukem } 175 1.3.2.2 lukem 176 1.3.2.2 lukem return (1); 177 1.3.2.2 lukem } 178 1.3.2.2 lukem 179 1.3.2.2 lukem int 180 1.3.2.2 lukem ali1543_getclink(pciintr_icu_handle_t v, int link, int *clinkp) 181 1.3.2.2 lukem { 182 1.3.2.2 lukem 183 1.3.2.2 lukem if (ALI1543_LEGAL_LINK(link - 1)) { 184 1.3.2.2 lukem *clinkp = link - 1; 185 1.3.2.2 lukem return (0); 186 1.3.2.2 lukem } 187 1.3.2.2 lukem 188 1.3.2.2 lukem return (1); 189 1.3.2.2 lukem } 190 1.3.2.2 lukem 191 1.3.2.2 lukem int 192 1.3.2.2 lukem ali1543_get_intr(pciintr_icu_handle_t v, int clink, int *irqp) 193 1.3.2.2 lukem { 194 1.3.2.2 lukem struct piix_handle *ph = v; 195 1.3.2.2 lukem pcireg_t reg; 196 1.3.2.2 lukem int val; 197 1.3.2.2 lukem 198 1.3.2.2 lukem if (ALI1543_LEGAL_LINK(clink) == 0) 199 1.3.2.2 lukem return (1); 200 1.3.2.2 lukem 201 1.3.2.2 lukem reg = pci_conf_read(ph->ph_pc, ph->ph_tag, ALI1543_INTR_CFG_REG); 202 1.3.2.2 lukem #ifdef DEBUG_1543 203 1.3.2.2 lukem printf("ali1543: PIRQ reg 0x%08x\n", reg); /* XXX debug */ 204 1.3.2.2 lukem #endif /* DEBUG_1543 */ 205 1.3.2.2 lukem val = ALI1543_PIRQ(reg, clink); 206 1.3.2.2 lukem *irqp = (val == 0) ? 207 1.3.2.2 lukem I386_PCI_INTERRUPT_LINE_NO_CONNECTION : val; 208 1.3.2.2 lukem 209 1.3.2.2 lukem return (0); 210 1.3.2.2 lukem } 211 1.3.2.2 lukem 212 1.3.2.2 lukem int 213 1.3.2.2 lukem ali1543_set_intr(pciintr_icu_handle_t v, int clink, int irq) 214 1.3.2.2 lukem { 215 1.3.2.2 lukem struct piix_handle *ph = v; 216 1.3.2.2 lukem int shift, val; 217 1.3.2.2 lukem pcireg_t reg; 218 1.3.2.2 lukem 219 1.3.2.2 lukem if (ALI1543_LEGAL_LINK(clink) == 0 || ALI1543_LEGAL_IRQ(irq) == 0) 220 1.3.2.2 lukem return (1); 221 1.3.2.2 lukem 222 1.3.2.2 lukem reg = pci_conf_read(ph->ph_pc, ph->ph_tag, ALI1543_INTR_CFG_REG); 223 1.3.2.2 lukem ali1543_get_intr(v, clink, &val); 224 1.3.2.2 lukem shift = ALI1543_INTR_PIRQ_SHIFT(clink); 225 1.3.2.2 lukem reg &= ~(0x0f << shift); 226 1.3.2.2 lukem reg |= (ali1543_intr_shuffle_set[irq] << shift); 227 1.3.2.2 lukem pci_conf_write(ph->ph_pc, ph->ph_tag, ALI1543_INTR_CFG_REG, reg); 228 1.3.2.2 lukem if (ali1543_get_intr(v, clink, &val) != 0 || val != irq) 229 1.3.2.2 lukem return (1); 230 1.3.2.2 lukem 231 1.3.2.2 lukem return (0); 232 1.3.2.2 lukem } 233
Indexes created Mon Oct 27 04:09:48 GMT 2025