sis85c503.c revision 1.2.4.2
1 1.2.4.2 bouyer /* $NetBSD: sis85c503.c,v 1.2.4.2 2000/11/20 20:09:35 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 SiS 85c503 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 73 1.2.4.2 bouyer #include <machine/intr.h> 74 1.2.4.2 bouyer #include <machine/bus.h> 75 1.2.4.2 bouyer 76 1.2.4.2 bouyer #include <dev/pci/pcivar.h> 77 1.2.4.2 bouyer #include <dev/pci/pcireg.h> 78 1.2.4.2 bouyer #include <dev/pci/pcidevs.h> 79 1.2.4.2 bouyer 80 1.2.4.2 bouyer #include <i386/pci/pci_intr_fixup.h> 81 1.2.4.2 bouyer #include <i386/pci/sis85c503reg.h> 82 1.2.4.2 bouyer #include <i386/pci/piixvar.h> 83 1.2.4.2 bouyer 84 1.2.4.2 bouyer int sis85c503_getclink __P((pciintr_icu_handle_t, int, int *)); 85 1.2.4.2 bouyer int sis85c503_get_intr __P((pciintr_icu_handle_t, int, int *)); 86 1.2.4.2 bouyer int sis85c503_set_intr __P((pciintr_icu_handle_t, int, int)); 87 1.2.4.2 bouyer 88 1.2.4.2 bouyer const struct pciintr_icu sis85c503_pci_icu = { 89 1.2.4.2 bouyer sis85c503_getclink, 90 1.2.4.2 bouyer sis85c503_get_intr, 91 1.2.4.2 bouyer sis85c503_set_intr, 92 1.2.4.2 bouyer piix_get_trigger, 93 1.2.4.2 bouyer piix_set_trigger, 94 1.2.4.2 bouyer }; 95 1.2.4.2 bouyer 96 1.2.4.2 bouyer int 97 1.2.4.2 bouyer sis85c503_init(pc, iot, tag, ptagp, phandp) 98 1.2.4.2 bouyer pci_chipset_tag_t pc; 99 1.2.4.2 bouyer bus_space_tag_t iot; 100 1.2.4.2 bouyer pcitag_t tag; 101 1.2.4.2 bouyer pciintr_icu_tag_t *ptagp; 102 1.2.4.2 bouyer pciintr_icu_handle_t *phandp; 103 1.2.4.2 bouyer { 104 1.2.4.2 bouyer 105 1.2.4.2 bouyer if (piix_init(pc, iot, tag, ptagp, phandp) == 0) { 106 1.2.4.2 bouyer *ptagp = &sis85c503_pci_icu; 107 1.2.4.2 bouyer return (0); 108 1.2.4.2 bouyer } 109 1.2.4.2 bouyer 110 1.2.4.2 bouyer return (1); 111 1.2.4.2 bouyer } 112 1.2.4.2 bouyer 113 1.2.4.2 bouyer int 114 1.2.4.2 bouyer sis85c503_getclink(v, link, clinkp) 115 1.2.4.2 bouyer pciintr_icu_handle_t v; 116 1.2.4.2 bouyer int link, *clinkp; 117 1.2.4.2 bouyer { 118 1.2.4.2 bouyer 119 1.2.4.2 bouyer /* Pattern 1: simple. */ 120 1.2.4.2 bouyer if (link >= 1 && link <= 4) { 121 1.2.4.2 bouyer *clinkp = SIS85C503_CFG_PIRQ_REGSTART + link - 1; 122 1.2.4.2 bouyer return (0); 123 1.2.4.2 bouyer } 124 1.2.4.2 bouyer 125 1.2.4.2 bouyer /* Pattern 2: configuration register offset */ 126 1.2.4.2 bouyer if (link >= SIS85C503_CFG_PIRQ_REGSTART && 127 1.2.4.2 bouyer link <= SIS85C503_CFG_PIRQ_REGEND) { 128 1.2.4.2 bouyer *clinkp = link; 129 1.2.4.2 bouyer return (0); 130 1.2.4.2 bouyer } 131 1.2.4.2 bouyer 132 1.2.4.2 bouyer return (1); 133 1.2.4.2 bouyer } 134 1.2.4.2 bouyer 135 1.2.4.2 bouyer int 136 1.2.4.2 bouyer sis85c503_get_intr(v, clink, irqp) 137 1.2.4.2 bouyer pciintr_icu_handle_t v; 138 1.2.4.2 bouyer int clink, *irqp; 139 1.2.4.2 bouyer { 140 1.2.4.2 bouyer struct piix_handle *ph = v; 141 1.2.4.2 bouyer pcireg_t reg; 142 1.2.4.2 bouyer 143 1.2.4.2 bouyer if (SIS85C503_LEGAL_LINK(clink) == 0) 144 1.2.4.2 bouyer return (1); 145 1.2.4.2 bouyer 146 1.2.4.2 bouyer reg = pci_conf_read(ph->ph_pc, ph->ph_tag, 147 1.2.4.2 bouyer SIS85C503_CFG_PIRQ_REGOFS(clink)); 148 1.2.4.2 bouyer reg = SIS85C503_CFG_PIRQ_REG(reg, clink); 149 1.2.4.2 bouyer 150 1.2.4.2 bouyer if (reg & SIS85C503_CFG_PIRQ_ROUTE_DISABLE) 151 1.2.4.2 bouyer *irqp = I386_PCI_INTERRUPT_LINE_NO_CONNECTION; 152 1.2.4.2 bouyer else 153 1.2.4.2 bouyer *irqp = reg & SIS85C503_CFG_PIRQ_INTR_MASK; 154 1.2.4.2 bouyer 155 1.2.4.2 bouyer return (0); 156 1.2.4.2 bouyer } 157 1.2.4.2 bouyer 158 1.2.4.2 bouyer int 159 1.2.4.2 bouyer sis85c503_set_intr(v, clink, irq) 160 1.2.4.2 bouyer pciintr_icu_handle_t v; 161 1.2.4.2 bouyer int clink, irq; 162 1.2.4.2 bouyer { 163 1.2.4.2 bouyer struct piix_handle *ph = v; 164 1.2.4.2 bouyer int shift; 165 1.2.4.2 bouyer pcireg_t reg; 166 1.2.4.2 bouyer 167 1.2.4.2 bouyer if (SIS85C503_LEGAL_LINK(clink) == 0 || SIS85C503_LEGAL_IRQ(irq) == 0) 168 1.2.4.2 bouyer return (1); 169 1.2.4.2 bouyer 170 1.2.4.2 bouyer reg = pci_conf_read(ph->ph_pc, ph->ph_tag, 171 1.2.4.2 bouyer SIS85C503_CFG_PIRQ_REGOFS(clink)); 172 1.2.4.2 bouyer shift = SIS85C503_CFG_PIRQ_SHIFT(clink); 173 1.2.4.2 bouyer reg &= ~((SIS85C503_CFG_PIRQ_ROUTE_DISABLE | 174 1.2.4.2 bouyer SIS85C503_CFG_PIRQ_INTR_MASK) << shift); 175 1.2.4.2 bouyer reg |= (irq << shift); 176 1.2.4.2 bouyer pci_conf_write(ph->ph_pc, ph->ph_tag, SIS85C503_CFG_PIRQ_REGOFS(clink), 177 1.2.4.2 bouyer reg); 178 1.2.4.2 bouyer 179 1.2.4.2 bouyer return (0); 180 1.2.4.2 bouyer } 181
Indexes created Sun Nov 02 07:10:05 GMT 2025