isa_common.c revision 51052
147398Sdfr/*- 247398Sdfr * Copyright (c) 1999 Doug Rabson 347398Sdfr * All rights reserved. 447398Sdfr * 547398Sdfr * Redistribution and use in source and binary forms, with or without 647398Sdfr * modification, are permitted provided that the following conditions 747398Sdfr * are met: 847398Sdfr * 1. Redistributions of source code must retain the above copyright 947398Sdfr * notice, this list of conditions and the following disclaimer. 1047398Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1147398Sdfr * notice, this list of conditions and the following disclaimer in the 1247398Sdfr * documentation and/or other materials provided with the distribution. 1347398Sdfr * 1447398Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1547398Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1647398Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1747398Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1847398Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1947398Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2047398Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2147398Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2247398Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2347398Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2447398Sdfr * SUCH DAMAGE. 2547398Sdfr * 2650477Speter * $FreeBSD: head/sys/isa/isa_common.c 51052 1999-09-07 08:42:49Z dfr $ 2747398Sdfr */ 2847398Sdfr/* 2947398Sdfr * Modifications for Intel architecture by Garrett A. Wollman. 3047398Sdfr * Copyright 1998 Massachusetts Institute of Technology 3147398Sdfr * 3247398Sdfr * Permission to use, copy, modify, and distribute this software and 3347398Sdfr * its documentation for any purpose and without fee is hereby 3447398Sdfr * granted, provided that both the above copyright notice and this 3547398Sdfr * permission notice appear in all copies, that both the above 3647398Sdfr * copyright notice and this permission notice appear in all 3747398Sdfr * supporting documentation, and that the name of M.I.T. not be used 3847398Sdfr * in advertising or publicity pertaining to distribution of the 3947398Sdfr * software without specific, written prior permission. M.I.T. makes 4047398Sdfr * no representations about the suitability of this software for any 4147398Sdfr * purpose. It is provided "as is" without express or implied 4247398Sdfr * warranty. 4347398Sdfr * 4447398Sdfr * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS 4547398Sdfr * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, 4647398Sdfr * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 4747398Sdfr * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 4847398Sdfr * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 4947398Sdfr * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 5047398Sdfr * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 5147398Sdfr * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 5247398Sdfr * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 5347398Sdfr * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 5447398Sdfr * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5547398Sdfr * SUCH DAMAGE. 5647398Sdfr */ 5747398Sdfr 5847398Sdfr/* 5947398Sdfr * Parts of the ISA bus implementation common to all architectures. 6047398Sdfr */ 6147398Sdfr 6247398Sdfr#include <sys/param.h> 6347398Sdfr#include <sys/systm.h> 6447398Sdfr#include <sys/kernel.h> 6547398Sdfr#include <sys/bus.h> 6647398Sdfr#include <sys/malloc.h> 6747398Sdfr#include <sys/module.h> 6847398Sdfr#include <machine/bus.h> 6947398Sdfr#include <sys/rman.h> 7047398Sdfr 7147398Sdfr#include <machine/resource.h> 7247398Sdfr 7347398Sdfr#include <isa/isavar.h> 7447398Sdfr#include <isa/isa_common.h> 7547398Sdfr#ifdef __alpha__ /* XXX workaround a stupid warning */ 7647398Sdfr#include <alpha/isa/isavar.h> 7747398Sdfr#endif 7847398Sdfr 7947398SdfrMALLOC_DEFINE(M_ISADEV, "isadev", "ISA device"); 8047398Sdfr 8147398Sdfrstatic devclass_t isa_devclass; 8247398Sdfr 8347398Sdfr/* 8447398Sdfr * At 'probe' time, we add all the devices which we know about to the 8547398Sdfr * bus. The generic attach routine will probe and attach them if they 8647398Sdfr * are alive. 8747398Sdfr */ 8847398Sdfrstatic int 8947398Sdfrisa_probe(device_t dev) 9047398Sdfr{ 9147398Sdfr device_set_desc(dev, "ISA bus"); 9247398Sdfr isa_init(); /* Allow machdep code to initialise */ 9347398Sdfr return bus_generic_probe(dev); 9447398Sdfr} 9547398Sdfr 9647398Sdfrextern device_t isa_bus_device; 9747398Sdfr 9847398Sdfrstatic int 9947398Sdfrisa_attach(device_t dev) 10047398Sdfr{ 10147398Sdfr /* 10250769Sdfr * Arrange for isa_probe_children(dev) to be called later. XXX 10347398Sdfr */ 10447398Sdfr isa_bus_device = dev; 10547398Sdfr return 0; 10647398Sdfr} 10747398Sdfr 10847398Sdfr/* 10950769Sdfr * Find a working set of memory regions for a child using the ranges 11050769Sdfr * in *config and return the regions in *result. Returns non-zero if 11150769Sdfr * a set of ranges was found. 11250769Sdfr */ 11350769Sdfrstatic int 11450769Sdfrisa_find_memory(device_t child, 11550769Sdfr struct isa_config *config, 11650769Sdfr struct isa_config *result) 11750769Sdfr{ 11850769Sdfr device_t dev = device_get_parent(child); 11950769Sdfr int success, i; 12050769Sdfr struct resource *res[ISA_NMEM]; 12150769Sdfr 12250769Sdfr /* 12350769Sdfr * First clear out any existing resource definitions. 12450769Sdfr */ 12550769Sdfr for (i = 0; i < ISA_NMEM; i++) { 12650769Sdfr ISA_DELETE_RESOURCE(dev, child, SYS_RES_MEMORY, i); 12750769Sdfr res[i] = NULL; 12850769Sdfr } 12950769Sdfr 13050769Sdfr success = 1; 13150769Sdfr result->ic_nmem = config->ic_nmem; 13250769Sdfr for (i = 0; i < config->ic_nmem; i++) { 13350769Sdfr u_int32_t start, end, size, align; 13450769Sdfr for (start = config->ic_mem[i].ir_start, 13550769Sdfr end = config->ic_mem[i].ir_end, 13650769Sdfr size = config->ic_mem[i].ir_size, 13750769Sdfr align = config->ic_mem[i].ir_align; 13850769Sdfr start + size - 1 <= end; 13950769Sdfr start += align) { 14050769Sdfr ISA_SET_RESOURCE(dev, child, SYS_RES_MEMORY, i, 14150769Sdfr start, size); 14250769Sdfr res[i] = bus_alloc_resource(child, 14350769Sdfr SYS_RES_MEMORY, &i, 14450769Sdfr 0, ~0, 1, RF_ACTIVE); 14550769Sdfr if (res[i]) { 14650769Sdfr result->ic_mem[i].ir_start = start; 14750769Sdfr result->ic_mem[i].ir_end = start + size - 1; 14850769Sdfr result->ic_mem[i].ir_size = size; 14950769Sdfr result->ic_mem[i].ir_align = align; 15050769Sdfr break; 15150769Sdfr } 15250769Sdfr } 15350769Sdfr 15450769Sdfr /* 15550769Sdfr * If we didn't find a place for memory range i, then 15650769Sdfr * give up now. 15750769Sdfr */ 15850769Sdfr if (!res[i]) { 15950769Sdfr success = 0; 16050769Sdfr break; 16150769Sdfr } 16250769Sdfr } 16350769Sdfr 16450769Sdfr for (i = 0; i < ISA_NMEM; i++) { 16550769Sdfr if (res[i]) 16650769Sdfr bus_release_resource(child, SYS_RES_MEMORY, 16750769Sdfr i, res[i]); 16850769Sdfr } 16950769Sdfr 17050769Sdfr return success; 17150769Sdfr} 17250769Sdfr 17350769Sdfr/* 17450769Sdfr * Find a working set of port regions for a child using the ranges 17550769Sdfr * in *config and return the regions in *result. Returns non-zero if 17650769Sdfr * a set of ranges was found. 17750769Sdfr */ 17850769Sdfrstatic int 17950769Sdfrisa_find_port(device_t child, 18050769Sdfr struct isa_config *config, 18150769Sdfr struct isa_config *result) 18250769Sdfr{ 18350769Sdfr device_t dev = device_get_parent(child); 18450769Sdfr int success, i; 18550769Sdfr struct resource *res[ISA_NPORT]; 18650769Sdfr 18750769Sdfr /* 18850769Sdfr * First clear out any existing resource definitions. 18950769Sdfr */ 19050769Sdfr for (i = 0; i < ISA_NPORT; i++) { 19150769Sdfr ISA_DELETE_RESOURCE(dev, child, SYS_RES_IOPORT, i); 19250769Sdfr res[i] = NULL; 19350769Sdfr } 19450769Sdfr 19550769Sdfr success = 1; 19650769Sdfr result->ic_nport = config->ic_nport; 19750769Sdfr for (i = 0; i < config->ic_nport; i++) { 19850769Sdfr u_int32_t start, end, size, align; 19950769Sdfr for (start = config->ic_port[i].ir_start, 20050769Sdfr end = config->ic_port[i].ir_end, 20150769Sdfr size = config->ic_port[i].ir_size, 20250769Sdfr align = config->ic_port[i].ir_align; 20350769Sdfr start + size - 1 <= end; 20450769Sdfr start += align) { 20550769Sdfr ISA_SET_RESOURCE(dev, child, SYS_RES_IOPORT, i, 20650769Sdfr start, size); 20750769Sdfr res[i] = bus_alloc_resource(child, 20850769Sdfr SYS_RES_IOPORT, &i, 20950769Sdfr 0, ~0, 1, RF_ACTIVE); 21050769Sdfr if (res[i]) { 21150769Sdfr result->ic_port[i].ir_start = start; 21250769Sdfr result->ic_port[i].ir_end = start + size - 1; 21350769Sdfr result->ic_port[i].ir_size = size; 21450769Sdfr result->ic_port[i].ir_align = align; 21550769Sdfr break; 21650769Sdfr } 21750769Sdfr } 21850769Sdfr 21950769Sdfr /* 22050769Sdfr * If we didn't find a place for port range i, then 22150769Sdfr * give up now. 22250769Sdfr */ 22350769Sdfr if (!res[i]) { 22450769Sdfr success = 0; 22550769Sdfr break; 22650769Sdfr } 22750769Sdfr } 22850769Sdfr 22950769Sdfr for (i = 0; i < ISA_NPORT; i++) { 23050769Sdfr if (res[i]) 23150769Sdfr bus_release_resource(child, SYS_RES_IOPORT, 23250769Sdfr i, res[i]); 23350769Sdfr } 23450769Sdfr 23550769Sdfr return success; 23650769Sdfr} 23750769Sdfr 23850769Sdfr/* 23950769Sdfr * Return the index of the first bit in the mask (or -1 if mask is empty. 24050769Sdfr */ 24150769Sdfrstatic int 24250769Sdfrfind_first_bit(u_int32_t mask) 24350769Sdfr{ 24450769Sdfr return ffs(mask) - 1; 24550769Sdfr} 24650769Sdfr 24750769Sdfr/* 24850769Sdfr * Return the index of the next bit in the mask, or -1 if there are no more. 24950769Sdfr */ 25050769Sdfrstatic int 25150769Sdfrfind_next_bit(u_int32_t mask, int bit) 25250769Sdfr{ 25350769Sdfr bit++; 25450769Sdfr while (bit < 32 && !(mask & (1 << bit))) 25550769Sdfr bit++; 25650769Sdfr if (bit != 32) 25750769Sdfr return bit; 25850769Sdfr return -1; 25950769Sdfr} 26050769Sdfr 26150769Sdfr/* 26250769Sdfr * Find a working set of irqs for a child using the masks in *config 26350769Sdfr * and return the regions in *result. Returns non-zero if a set of 26450769Sdfr * irqs was found. 26550769Sdfr */ 26650769Sdfrstatic int 26750769Sdfrisa_find_irq(device_t child, 26850769Sdfr struct isa_config *config, 26950769Sdfr struct isa_config *result) 27050769Sdfr{ 27150769Sdfr device_t dev = device_get_parent(child); 27250769Sdfr int success, i; 27350769Sdfr struct resource *res[ISA_NIRQ]; 27450769Sdfr 27550769Sdfr /* 27650769Sdfr * First clear out any existing resource definitions. 27750769Sdfr */ 27850769Sdfr for (i = 0; i < ISA_NIRQ; i++) { 27950769Sdfr ISA_DELETE_RESOURCE(dev, child, SYS_RES_IRQ, i); 28050769Sdfr res[i] = NULL; 28150769Sdfr } 28250769Sdfr 28350769Sdfr success = 1; 28450769Sdfr result->ic_nirq = config->ic_nirq; 28550769Sdfr for (i = 0; i < config->ic_nirq; i++) { 28650769Sdfr u_int32_t mask = config->ic_irqmask[i]; 28750769Sdfr int irq; 28850769Sdfr for (irq = find_first_bit(mask); 28950769Sdfr irq != -1; 29050769Sdfr irq = find_next_bit(mask, irq)) { 29150769Sdfr ISA_SET_RESOURCE(dev, child, SYS_RES_IRQ, i, 29250769Sdfr irq, 1); 29350769Sdfr res[i] = bus_alloc_resource(child, 29450769Sdfr SYS_RES_IRQ, &i, 29550769Sdfr 0, ~0, 1, RF_ACTIVE); 29650769Sdfr if (res[i]) { 29750769Sdfr result->ic_irqmask[i] = (1 << irq); 29850769Sdfr break; 29950769Sdfr } 30050769Sdfr } 30150769Sdfr 30250769Sdfr /* 30350769Sdfr * If we didn't find a place for irq range i, then 30450769Sdfr * give up now. 30550769Sdfr */ 30650769Sdfr if (!res[i]) { 30750769Sdfr success = 0; 30850769Sdfr break; 30950769Sdfr } 31050769Sdfr } 31150769Sdfr 31250769Sdfr for (i = 0; i < ISA_NIRQ; i++) { 31350769Sdfr if (res[i]) 31450769Sdfr bus_release_resource(child, SYS_RES_IRQ, 31550769Sdfr i, res[i]); 31650769Sdfr } 31750769Sdfr 31850769Sdfr return success; 31950769Sdfr} 32050769Sdfr 32150769Sdfr/* 32250769Sdfr * Find a working set of drqs for a child using the masks in *config 32350769Sdfr * and return the regions in *result. Returns non-zero if a set of 32450769Sdfr * drqs was found. 32550769Sdfr */ 32650769Sdfrstatic int 32750769Sdfrisa_find_drq(device_t child, 32850769Sdfr struct isa_config *config, 32950769Sdfr struct isa_config *result) 33050769Sdfr{ 33150769Sdfr device_t dev = device_get_parent(child); 33250769Sdfr int success, i; 33350769Sdfr struct resource *res[ISA_NDRQ]; 33450769Sdfr 33550769Sdfr /* 33650769Sdfr * First clear out any existing resource definitions. 33750769Sdfr */ 33850769Sdfr for (i = 0; i < ISA_NDRQ; i++) { 33950769Sdfr ISA_DELETE_RESOURCE(dev, child, SYS_RES_DRQ, i); 34050769Sdfr res[i] = NULL; 34150769Sdfr } 34250769Sdfr 34350769Sdfr success = 1; 34450769Sdfr result->ic_ndrq = config->ic_ndrq; 34550769Sdfr for (i = 0; i < config->ic_ndrq; i++) { 34650769Sdfr u_int32_t mask = config->ic_drqmask[i]; 34750769Sdfr int drq; 34850769Sdfr for (drq = find_first_bit(mask); 34950769Sdfr drq != -1; 35050769Sdfr drq = find_next_bit(mask, drq)) { 35150769Sdfr ISA_SET_RESOURCE(dev, child, SYS_RES_DRQ, i, 35250769Sdfr drq, 1); 35350769Sdfr res[i] = bus_alloc_resource(child, 35450769Sdfr SYS_RES_DRQ, &i, 35550769Sdfr 0, ~0, 1, RF_ACTIVE); 35650769Sdfr if (res[i]) { 35750769Sdfr result->ic_drqmask[i] = (1 << drq); 35850769Sdfr break; 35950769Sdfr } 36050769Sdfr } 36150769Sdfr 36250769Sdfr /* 36350769Sdfr * If we didn't find a place for drq range i, then 36450769Sdfr * give up now. 36550769Sdfr */ 36650769Sdfr if (!res[i]) { 36750769Sdfr success = 0; 36850769Sdfr break; 36950769Sdfr } 37050769Sdfr } 37150769Sdfr 37250769Sdfr for (i = 0; i < ISA_NDRQ; i++) { 37350769Sdfr if (res[i]) 37450769Sdfr bus_release_resource(child, SYS_RES_DRQ, 37550769Sdfr i, res[i]); 37650769Sdfr } 37750769Sdfr 37850769Sdfr return success; 37950769Sdfr} 38050769Sdfr 38150769Sdfr/* 38250769Sdfr * Attempt to find a working set of resources for a device. Return 38350769Sdfr * non-zero if a working configuration is found. 38450769Sdfr */ 38550769Sdfrstatic int 38650769Sdfrisa_assign_resources(device_t child) 38750769Sdfr{ 38850769Sdfr struct isa_device *idev = DEVTOISA(child); 38950769Sdfr struct isa_config_entry *ice; 39050769Sdfr struct isa_config config; 39150769Sdfr 39250769Sdfr bzero(&config, sizeof config); 39350769Sdfr TAILQ_FOREACH(ice, &idev->id_configs, ice_link) { 39450769Sdfr if (!isa_find_memory(child, &ice->ice_config, &config)) 39550769Sdfr continue; 39650769Sdfr if (!isa_find_port(child, &ice->ice_config, &config)) 39750769Sdfr continue; 39850769Sdfr if (!isa_find_irq(child, &ice->ice_config, &config)) 39950769Sdfr continue; 40050769Sdfr if (!isa_find_drq(child, &ice->ice_config, &config)) 40150769Sdfr continue; 40250769Sdfr 40350769Sdfr /* 40450769Sdfr * A working configuration was found enable the device 40550769Sdfr * with this configuration. 40650769Sdfr */ 40750769Sdfr if (idev->id_config_cb) { 40850769Sdfr idev->id_config_cb(idev->id_config_arg, 40950769Sdfr &config, 1); 41050769Sdfr return 1; 41150769Sdfr } 41250769Sdfr } 41350769Sdfr 41450769Sdfr /* 41550769Sdfr * Disable the device. 41650769Sdfr */ 41750769Sdfr bzero(&config, sizeof config); 41850769Sdfr if (idev->id_config_cb) 41950769Sdfr idev->id_config_cb(idev->id_config_arg, &config, 0); 42050769Sdfr device_disable(child); 42150769Sdfr 42250769Sdfr return 0; 42350769Sdfr} 42450769Sdfr 42550769Sdfr/* 42650769Sdfr * Called after other devices have initialised to probe for isa devices. 42750769Sdfr */ 42850769Sdfrvoid 42950769Sdfrisa_probe_children(device_t dev) 43050769Sdfr{ 43150769Sdfr device_t *children; 43250769Sdfr int nchildren, i; 43350769Sdfr 43450769Sdfr if (device_get_children(dev, &children, &nchildren)) 43550769Sdfr return; 43650769Sdfr 43750769Sdfr /* 43850769Sdfr * First probe all non-pnp devices so that they claim their 43950769Sdfr * resources first. 44050769Sdfr */ 44150769Sdfr for (i = 0; i < nchildren; i++) { 44250769Sdfr device_t child = children[i]; 44350769Sdfr struct isa_device *idev = DEVTOISA(child); 44450769Sdfr 44550769Sdfr if (TAILQ_FIRST(&idev->id_configs)) 44650769Sdfr continue; 44750769Sdfr 44850769Sdfr device_probe_and_attach(child); 44950769Sdfr } 45050769Sdfr 45150769Sdfr /* 45250769Sdfr * Next assign resource to pnp devices and probe them. 45350769Sdfr */ 45450769Sdfr for (i = 0; i < nchildren; i++) { 45550769Sdfr device_t child = children[i]; 45650769Sdfr struct isa_device* idev = DEVTOISA(child); 45750769Sdfr 45850769Sdfr if (!TAILQ_FIRST(&idev->id_configs)) 45950769Sdfr continue; 46050769Sdfr 46150769Sdfr if (isa_assign_resources(child)) { 46250769Sdfr struct resource_list_entry *rle; 46350769Sdfr 46450769Sdfr device_probe_and_attach(child); 46550769Sdfr 46650769Sdfr /* 46750769Sdfr * Claim any unallocated resources to keep other 46850769Sdfr * devices from using them. 46950769Sdfr */ 47050769Sdfr SLIST_FOREACH(rle, &idev->id_resources, link) { 47150769Sdfr if (!rle->res) { 47250769Sdfr int rid = rle->rid; 47350769Sdfr resource_list_alloc(dev, child, 47450769Sdfr rle->type, 47550769Sdfr &rid, 47650769Sdfr 0, ~0, 1, 47750769Sdfr RF_ACTIVE); 47850769Sdfr } 47950769Sdfr } 48050769Sdfr } 48150769Sdfr } 48250769Sdfr 48350769Sdfr free(children, M_TEMP); 48450769Sdfr} 48550769Sdfr 48650769Sdfr/* 48747398Sdfr * Add a new child with default ivars. 48847398Sdfr */ 48947398Sdfrstatic device_t 49047578Sdfrisa_add_child(device_t dev, int order, const char *name, int unit) 49147398Sdfr{ 49247398Sdfr struct isa_device *idev; 49347398Sdfr 49447398Sdfr idev = malloc(sizeof(struct isa_device), M_ISADEV, M_NOWAIT); 49547398Sdfr if (!idev) 49647398Sdfr return 0; 49747398Sdfr bzero(idev, sizeof *idev); 49847398Sdfr 49947398Sdfr resource_list_init(&idev->id_resources); 50050769Sdfr TAILQ_INIT(&idev->id_configs); 50147398Sdfr 50247578Sdfr return device_add_child_ordered(dev, order, name, unit, idev); 50347398Sdfr} 50447398Sdfr 50547398Sdfrstatic void 50647398Sdfrisa_print_resources(struct resource_list *rl, const char *name, int type, 50747398Sdfr const char *format) 50847398Sdfr{ 50950769Sdfr struct resource_list_entry *rle; 51050769Sdfr int printed; 51150769Sdfr int i; 51247398Sdfr 51350769Sdfr printed = 0; 51450769Sdfr for (i = 0; i < 16; i++) { 51550769Sdfr rle = resource_list_find(rl, type, i); 51650769Sdfr if (rle) { 51750769Sdfr if (printed == 0) 51850769Sdfr printf(" %s ", name); 51950769Sdfr else if (printed > 0) 52047398Sdfr printf(","); 52150769Sdfr printed++; 52250769Sdfr printf(format, rle->start); 52350769Sdfr if (rle->count > 1) { 52447398Sdfr printf("-"); 52550769Sdfr printf(format, rle->start + rle->count - 1); 52647398Sdfr } 52750769Sdfr } else if (i > 3) { 52850769Sdfr /* check the first few regardless */ 52950769Sdfr break; 53047398Sdfr } 53147398Sdfr } 53247398Sdfr} 53347398Sdfr 53449195Smdoddstatic int 53547398Sdfrisa_print_child(device_t bus, device_t dev) 53647398Sdfr{ 53747398Sdfr struct isa_device *idev = DEVTOISA(dev); 53847398Sdfr struct resource_list *rl = &idev->id_resources; 53949195Smdodd int retval = 0; 54047398Sdfr 54149195Smdodd retval += bus_print_child_header(bus, dev); 54249195Smdodd 54351052Sdfr if (SLIST_FIRST(rl) || device_get_flags(dev)) 54449195Smdodd retval += printf(" at"); 54547398Sdfr 54649198Smdodd isa_print_resources(rl, "port", SYS_RES_IOPORT, "%#lx"); 54749198Smdodd isa_print_resources(rl, "iomem", SYS_RES_MEMORY, "%#lx"); 54849198Smdodd isa_print_resources(rl, "irq", SYS_RES_IRQ, "%ld"); 54949198Smdodd isa_print_resources(rl, "drq", SYS_RES_DRQ, "%ld"); 55051052Sdfr if (device_get_flags(dev)) 55151052Sdfr retval += printf(" flags %#x", device_get_flags(dev)); 55247398Sdfr 55349195Smdodd retval += bus_print_child_footer(bus, dev); 55449195Smdodd 55549195Smdodd return (retval); 55647398Sdfr} 55747398Sdfr 55847398Sdfrstatic int 55947398Sdfrisa_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result) 56047398Sdfr{ 56147398Sdfr struct isa_device* idev = DEVTOISA(dev); 56247398Sdfr struct resource_list *rl = &idev->id_resources; 56347398Sdfr struct resource_list_entry *rle; 56447398Sdfr 56547398Sdfr switch (index) { 56647398Sdfr case ISA_IVAR_PORT_0: 56747398Sdfr rle = resource_list_find(rl, SYS_RES_IOPORT, 0); 56847398Sdfr if (rle) 56947398Sdfr *result = rle->start; 57047398Sdfr else 57147398Sdfr *result = -1; 57247398Sdfr break; 57347398Sdfr 57447398Sdfr case ISA_IVAR_PORT_1: 57547398Sdfr rle = resource_list_find(rl, SYS_RES_IOPORT, 1); 57647398Sdfr if (rle) 57747398Sdfr *result = rle->start; 57847398Sdfr else 57947398Sdfr *result = -1; 58047398Sdfr break; 58147398Sdfr 58247398Sdfr case ISA_IVAR_PORTSIZE_0: 58347398Sdfr rle = resource_list_find(rl, SYS_RES_IOPORT, 0); 58447398Sdfr if (rle) 58547398Sdfr *result = rle->count; 58647398Sdfr else 58747398Sdfr *result = 0; 58847398Sdfr break; 58947398Sdfr 59047398Sdfr case ISA_IVAR_PORTSIZE_1: 59147398Sdfr rle = resource_list_find(rl, SYS_RES_IOPORT, 1); 59247398Sdfr if (rle) 59347398Sdfr *result = rle->count; 59447398Sdfr else 59547398Sdfr *result = 0; 59647398Sdfr break; 59747398Sdfr 59847398Sdfr case ISA_IVAR_MADDR_0: 59947398Sdfr rle = resource_list_find(rl, SYS_RES_MEMORY, 0); 60047398Sdfr if (rle) 60147398Sdfr *result = rle->start; 60247398Sdfr else 60347398Sdfr *result = -1; 60447398Sdfr break; 60547398Sdfr 60647398Sdfr case ISA_IVAR_MADDR_1: 60747398Sdfr rle = resource_list_find(rl, SYS_RES_MEMORY, 1); 60847398Sdfr if (rle) 60947398Sdfr *result = rle->start; 61047398Sdfr else 61147398Sdfr *result = -1; 61247398Sdfr break; 61347398Sdfr 61447398Sdfr case ISA_IVAR_MSIZE_0: 61547398Sdfr rle = resource_list_find(rl, SYS_RES_MEMORY, 0); 61647398Sdfr if (rle) 61747398Sdfr *result = rle->count; 61847398Sdfr else 61947398Sdfr *result = 0; 62047398Sdfr break; 62147398Sdfr 62247398Sdfr case ISA_IVAR_MSIZE_1: 62347398Sdfr rle = resource_list_find(rl, SYS_RES_MEMORY, 1); 62447398Sdfr if (rle) 62547398Sdfr *result = rle->count; 62647398Sdfr else 62747398Sdfr *result = 0; 62847398Sdfr break; 62947398Sdfr 63047398Sdfr case ISA_IVAR_IRQ_0: 63147398Sdfr rle = resource_list_find(rl, SYS_RES_IRQ, 0); 63247398Sdfr if (rle) 63347398Sdfr *result = rle->start; 63447398Sdfr else 63547398Sdfr *result = -1; 63647398Sdfr break; 63747398Sdfr 63847398Sdfr case ISA_IVAR_IRQ_1: 63947398Sdfr rle = resource_list_find(rl, SYS_RES_IRQ, 1); 64047398Sdfr if (rle) 64147398Sdfr *result = rle->start; 64247398Sdfr else 64347398Sdfr *result = -1; 64447398Sdfr break; 64547398Sdfr 64647398Sdfr case ISA_IVAR_DRQ_0: 64747398Sdfr rle = resource_list_find(rl, SYS_RES_DRQ, 0); 64847398Sdfr if (rle) 64947398Sdfr *result = rle->start; 65047398Sdfr else 65147398Sdfr *result = -1; 65247398Sdfr break; 65347398Sdfr 65447398Sdfr case ISA_IVAR_DRQ_1: 65547398Sdfr rle = resource_list_find(rl, SYS_RES_DRQ, 1); 65647398Sdfr if (rle) 65747398Sdfr *result = rle->start; 65847398Sdfr else 65947398Sdfr *result = -1; 66047398Sdfr break; 66147398Sdfr 66247613Sdfr case ISA_IVAR_VENDORID: 66347613Sdfr *result = idev->id_vendorid; 66447613Sdfr break; 66547613Sdfr 66647613Sdfr case ISA_IVAR_SERIAL: 66747613Sdfr *result = idev->id_serial; 66847613Sdfr break; 66947613Sdfr 67047613Sdfr case ISA_IVAR_LOGICALID: 67147613Sdfr *result = idev->id_logicalid; 67247613Sdfr break; 67347613Sdfr 67447613Sdfr case ISA_IVAR_COMPATID: 67547613Sdfr *result = idev->id_compatid; 67647613Sdfr break; 67747613Sdfr 67847613Sdfr default: 67947613Sdfr return ENOENT; 68047398Sdfr } 68147613Sdfr 68247613Sdfr return 0; 68347398Sdfr} 68447398Sdfr 68547398Sdfrstatic int 68647398Sdfrisa_write_ivar(device_t bus, device_t dev, 68747398Sdfr int index, uintptr_t value) 68847398Sdfr{ 68947398Sdfr struct isa_device* idev = DEVTOISA(dev); 69047398Sdfr 69147398Sdfr switch (index) { 69247398Sdfr case ISA_IVAR_PORT_0: 69347398Sdfr case ISA_IVAR_PORT_1: 69447398Sdfr case ISA_IVAR_PORTSIZE_0: 69547398Sdfr case ISA_IVAR_PORTSIZE_1: 69647398Sdfr case ISA_IVAR_MADDR_0: 69747398Sdfr case ISA_IVAR_MADDR_1: 69847398Sdfr case ISA_IVAR_MSIZE_0: 69947398Sdfr case ISA_IVAR_MSIZE_1: 70047398Sdfr case ISA_IVAR_IRQ_0: 70147398Sdfr case ISA_IVAR_IRQ_1: 70247398Sdfr case ISA_IVAR_DRQ_0: 70347398Sdfr case ISA_IVAR_DRQ_1: 70447398Sdfr return EINVAL; 70547398Sdfr 70647613Sdfr case ISA_IVAR_VENDORID: 70747613Sdfr idev->id_vendorid = value; 70847613Sdfr break; 70947613Sdfr 71047613Sdfr case ISA_IVAR_SERIAL: 71147613Sdfr idev->id_serial = value; 71247613Sdfr break; 71347613Sdfr 71447613Sdfr case ISA_IVAR_LOGICALID: 71547613Sdfr idev->id_logicalid = value; 71647613Sdfr break; 71747613Sdfr 71847613Sdfr case ISA_IVAR_COMPATID: 71947613Sdfr idev->id_compatid = value; 72047613Sdfr break; 72147613Sdfr 72247398Sdfr default: 72347398Sdfr return (ENOENT); 72447398Sdfr } 72547613Sdfr 72647398Sdfr return (0); 72747398Sdfr} 72847398Sdfr 72950769Sdfr/* 73050769Sdfr * Free any resources which the driver missed or which we were holding for 73150769Sdfr * it (see isa_probe_children). 73250769Sdfr */ 73350769Sdfrstatic void 73450769Sdfrisa_child_detached(device_t dev, device_t child) 73550769Sdfr{ 73650769Sdfr struct isa_device* idev = DEVTOISA(child); 73750769Sdfr struct resource_list_entry *rle; 73850769Sdfr 73950769Sdfr SLIST_FOREACH(rle, &idev->id_resources, link) { 74050769Sdfr if (rle->res) 74150769Sdfr resource_list_release(dev, child, 74250769Sdfr rle->type, 74350769Sdfr rle->rid, 74450769Sdfr rle->res); 74550769Sdfr } 74650769Sdfr} 74750769Sdfr 74847398Sdfrstatic int 74947398Sdfrisa_set_resource(device_t dev, device_t child, int type, int rid, 75047398Sdfr u_long start, u_long count) 75147398Sdfr{ 75247398Sdfr struct isa_device* idev = DEVTOISA(child); 75347398Sdfr struct resource_list *rl = &idev->id_resources; 75447398Sdfr 75547398Sdfr if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 75647398Sdfr && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 75747398Sdfr return EINVAL; 75850769Sdfr if (rid < 0) 75947398Sdfr return EINVAL; 76050769Sdfr if (type == SYS_RES_IOPORT && rid >= ISA_NPORT) 76150769Sdfr return EINVAL; 76250769Sdfr if (type == SYS_RES_MEMORY && rid >= ISA_NMEM) 76350769Sdfr return EINVAL; 76450769Sdfr if (type == SYS_RES_IRQ && rid >= ISA_NIRQ) 76550769Sdfr return EINVAL; 76650769Sdfr if (type == SYS_RES_DRQ && rid >= ISA_NDRQ) 76750769Sdfr return EINVAL; 76847398Sdfr 76947398Sdfr resource_list_add(rl, type, rid, start, start + count - 1, count); 77047398Sdfr 77147398Sdfr return 0; 77247398Sdfr} 77347398Sdfr 77447398Sdfrstatic int 77547398Sdfrisa_get_resource(device_t dev, device_t child, int type, int rid, 77647398Sdfr u_long *startp, u_long *countp) 77747398Sdfr{ 77847398Sdfr struct isa_device* idev = DEVTOISA(child); 77947398Sdfr struct resource_list *rl = &idev->id_resources; 78047398Sdfr struct resource_list_entry *rle; 78147398Sdfr 78247398Sdfr rle = resource_list_find(rl, type, rid); 78347398Sdfr if (!rle) 78447398Sdfr return ENOENT; 78547398Sdfr 78647398Sdfr *startp = rle->start; 78747398Sdfr *countp = rle->count; 78847398Sdfr 78947398Sdfr return 0; 79047398Sdfr} 79147398Sdfr 79247613Sdfrstatic void 79347613Sdfrisa_delete_resource(device_t dev, device_t child, int type, int rid) 79447613Sdfr{ 79547613Sdfr struct isa_device* idev = DEVTOISA(child); 79647613Sdfr struct resource_list *rl = &idev->id_resources; 79747613Sdfr resource_list_delete(rl, type, rid); 79847613Sdfr} 79947613Sdfr 80050769Sdfrstatic int 80150769Sdfrisa_add_config(device_t dev, device_t child, 80250769Sdfr int priority, struct isa_config *config) 80350769Sdfr{ 80450769Sdfr struct isa_device* idev = DEVTOISA(child); 80550769Sdfr struct isa_config_entry *newice, *ice; 80650769Sdfr 80750769Sdfr newice = malloc(sizeof *ice, M_DEVBUF, M_NOWAIT); 80850769Sdfr if (!newice) 80950769Sdfr return ENOMEM; 81050769Sdfr 81150769Sdfr newice->ice_priority = priority; 81250769Sdfr newice->ice_config = *config; 81350769Sdfr 81450769Sdfr TAILQ_FOREACH(ice, &idev->id_configs, ice_link) { 81550769Sdfr if (ice->ice_priority > priority) 81650769Sdfr break; 81750769Sdfr } 81850769Sdfr if (ice) 81950769Sdfr TAILQ_INSERT_BEFORE(ice, newice, ice_link); 82050769Sdfr else 82150769Sdfr TAILQ_INSERT_TAIL(&idev->id_configs, newice, ice_link); 82250769Sdfr 82350769Sdfr return 0; 82450769Sdfr} 82550769Sdfr 82650769Sdfrstatic void 82750769Sdfrisa_set_config_callback(device_t dev, device_t child, 82850769Sdfr isa_config_cb *fn, void *arg) 82950769Sdfr{ 83050769Sdfr struct isa_device* idev = DEVTOISA(child); 83150769Sdfr 83250769Sdfr idev->id_config_cb = fn; 83350769Sdfr idev->id_config_arg = arg; 83450769Sdfr} 83550769Sdfr 83650769Sdfrstatic int 83750769Sdfrisa_pnp_probe(device_t dev, device_t child, struct isa_pnp_id *ids) 83850769Sdfr{ 83950769Sdfr struct isa_device* idev = DEVTOISA(child); 84050769Sdfr 84150769Sdfr if (!idev->id_vendorid) 84250769Sdfr return ENOENT; 84350769Sdfr 84450769Sdfr while (ids->ip_id) { 84550769Sdfr /* 84650769Sdfr * Really ought to support >1 compat id per device. 84750769Sdfr */ 84850769Sdfr if (idev->id_logicalid == ids->ip_id 84950769Sdfr || idev->id_compatid == ids->ip_id) { 85050910Sdfr if (ids->ip_desc) 85150910Sdfr device_set_desc(child, ids->ip_desc); 85250769Sdfr return 0; 85350769Sdfr } 85450769Sdfr ids++; 85550769Sdfr } 85650769Sdfr 85750769Sdfr return ENXIO; 85850769Sdfr} 85950769Sdfr 86047398Sdfrstatic device_method_t isa_methods[] = { 86147398Sdfr /* Device interface */ 86247398Sdfr DEVMETHOD(device_probe, isa_probe), 86347398Sdfr DEVMETHOD(device_attach, isa_attach), 86447398Sdfr DEVMETHOD(device_detach, bus_generic_detach), 86547398Sdfr DEVMETHOD(device_shutdown, bus_generic_shutdown), 86647398Sdfr DEVMETHOD(device_suspend, bus_generic_suspend), 86747398Sdfr DEVMETHOD(device_resume, bus_generic_resume), 86847398Sdfr 86947398Sdfr /* Bus interface */ 87047398Sdfr DEVMETHOD(bus_add_child, isa_add_child), 87147398Sdfr DEVMETHOD(bus_print_child, isa_print_child), 87247398Sdfr DEVMETHOD(bus_read_ivar, isa_read_ivar), 87347398Sdfr DEVMETHOD(bus_write_ivar, isa_write_ivar), 87450769Sdfr DEVMETHOD(bus_child_detached, isa_child_detached), 87547398Sdfr DEVMETHOD(bus_alloc_resource, isa_alloc_resource), 87647398Sdfr DEVMETHOD(bus_release_resource, isa_release_resource), 87747398Sdfr DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 87847398Sdfr DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 87947398Sdfr DEVMETHOD(bus_setup_intr, isa_setup_intr), 88047398Sdfr DEVMETHOD(bus_teardown_intr, isa_teardown_intr), 88147398Sdfr 88247398Sdfr /* ISA interface */ 88347398Sdfr DEVMETHOD(isa_set_resource, isa_set_resource), 88447398Sdfr DEVMETHOD(isa_get_resource, isa_get_resource), 88547613Sdfr DEVMETHOD(isa_delete_resource, isa_delete_resource), 88650769Sdfr DEVMETHOD(isa_add_config, isa_add_config), 88750769Sdfr DEVMETHOD(isa_set_config_callback, isa_set_config_callback), 88850769Sdfr DEVMETHOD(isa_pnp_probe, isa_pnp_probe), 88947398Sdfr 89047398Sdfr { 0, 0 } 89147398Sdfr}; 89247398Sdfr 89347398Sdfrstatic driver_t isa_driver = { 89447398Sdfr "isa", 89547398Sdfr isa_methods, 89647398Sdfr 1, /* no softc */ 89747398Sdfr}; 89847398Sdfr 89947398Sdfr/* 90047398Sdfr * ISA can be attached to a PCI-ISA bridge or directly to the nexus. 90147398Sdfr */ 90247398SdfrDRIVER_MODULE(isa, isab, isa_driver, isa_devclass, 0, 0); 90347398Sdfr#ifdef __i386__ 90447398SdfrDRIVER_MODULE(isa, nexus, isa_driver, isa_devclass, 0, 0); 90547398Sdfr#endif 90650769Sdfr 90750769Sdfr/* 90850769Sdfr * A fallback driver for reporting un-matched pnp devices. 90950769Sdfr */ 91050769Sdfr 91150769Sdfrstatic int 91250769Sdfrunknown_probe(device_t dev) 91350769Sdfr{ 91450769Sdfr /* 91550769Sdfr * Only match pnp devices. 91650769Sdfr */ 91750769Sdfr if (isa_get_vendorid(dev) != 0) 91850769Sdfr return -100; 91950769Sdfr return ENXIO; 92050769Sdfr} 92150769Sdfr 92250769Sdfrstatic int 92350769Sdfrunknown_attach(device_t dev) 92450769Sdfr{ 92550769Sdfr return 0; 92650769Sdfr} 92750769Sdfr 92850769Sdfrstatic int 92950769Sdfrunknown_detach(device_t dev) 93050769Sdfr{ 93150769Sdfr return 0; 93250769Sdfr} 93350769Sdfr 93450769Sdfrstatic device_method_t unknown_methods[] = { 93550769Sdfr /* Device interface */ 93650769Sdfr DEVMETHOD(device_probe, unknown_probe), 93750769Sdfr DEVMETHOD(device_attach, unknown_attach), 93850769Sdfr DEVMETHOD(device_detach, unknown_detach), 93950769Sdfr 94050769Sdfr { 0, 0 } 94150769Sdfr}; 94250769Sdfr 94350769Sdfrstatic driver_t unknown_driver = { 94450769Sdfr "unknown", 94550769Sdfr unknown_methods, 94650769Sdfr 1, /* no softc */ 94750769Sdfr}; 94850769Sdfr 94950769Sdfrstatic devclass_t unknown_devclass; 95050769Sdfr 95150769SdfrDRIVER_MODULE(unknown, isa, unknown_driver, unknown_devclass, 0, 0); 952