1132286Snyan/*- 2146216Snyan * Copyright (c) 2004 TAKAHASHI Yoshihiro 3131819Snyan * All rights reserved. 4131819Snyan * 5131819Snyan * Redistribution and use in source and binary forms, with or without 6131819Snyan * modification, are permitted provided that the following conditions 7131819Snyan * are met: 8131819Snyan * 1. Redistributions of source code must retain the above copyright 9131819Snyan * notice, this list of conditions, and the following disclaimer, 10131819Snyan * without modification, immediately at the beginning of the file. 11131819Snyan * 2. Redistributions in binary form must reproduce the above copyright 12131819Snyan * notice, this list of conditions and the following disclaimer in 13131819Snyan * the documentation and/or other materials provided with the 14131819Snyan * distribution. 15131819Snyan * 16131819Snyan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17131819Snyan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18131819Snyan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19131819Snyan * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20131819Snyan * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21131819Snyan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22131819Snyan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23131819Snyan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24131819Snyan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25131819Snyan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26131819Snyan * SUCH DAMAGE. 27131819Snyan */ 28131819Snyan 29131819Snyan#include <sys/cdefs.h> 30131819Snyan__FBSDID("$FreeBSD$"); 31131819Snyan 32131819Snyan#include <sys/param.h> 33131819Snyan#include <sys/bio.h> 34131819Snyan#include <sys/bus.h> 35131819Snyan#include <sys/kernel.h> 36131819Snyan#include <sys/module.h> 37131819Snyan#include <sys/rman.h> 38131819Snyan#include <sys/systm.h> 39131819Snyan 40132103Snyan#include <machine/bus.h> 41132103Snyan 42146049Snyan#include <pc98/cbus/cbus.h> 43146049Snyan#include <pc98/cbus/fdcreg.h> 44146049Snyan#include <pc98/cbus/fdcvar.h> 45131819Snyan 46131819Snyan#include <isa/isavar.h> 47131819Snyan 48132210Snyanstatic bus_addr_t fdc_iat[] = {0, 2, 4}; 49132210Snyan 50131819Snyanstatic int 51132210Snyanfdc_cbus_alloc_resources(device_t dev, struct fdc_data *fdc) 52132210Snyan{ 53132210Snyan int rid; 54132210Snyan 55132210Snyan fdc->fdc_dev = dev; 56132210Snyan fdc->rid_ioport = 0; 57132210Snyan fdc->rid_irq = 0; 58132210Snyan fdc->rid_drq = 0; 59132210Snyan fdc->res_irq = 0; 60132210Snyan fdc->res_drq = 0; 61132210Snyan 62132210Snyan fdc->res_ioport = isa_alloc_resourcev(dev, SYS_RES_IOPORT, 63132210Snyan &fdc->rid_ioport, fdc_iat, 64132210Snyan 3, RF_ACTIVE); 65132210Snyan if (fdc->res_ioport == 0) { 66132210Snyan device_printf(dev, "cannot reserve I/O port range\n"); 67132210Snyan return ENXIO; 68132210Snyan } 69132210Snyan isa_load_resourcev(fdc->res_ioport, fdc_iat, 3); 70132210Snyan fdc->portt = rman_get_bustag(fdc->res_ioport); 71132210Snyan fdc->porth = rman_get_bushandle(fdc->res_ioport); 72132210Snyan 73132210Snyan rid = 3; 74132210Snyan bus_set_resource(dev, SYS_RES_IOPORT, rid, IO_FDPORT, 1); 75132210Snyan fdc->res_fdsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, 76132210Snyan RF_ACTIVE); 77132210Snyan if (fdc->res_fdsio == 0) 78132210Snyan return ENXIO; 79132210Snyan fdc->sc_fdsiot = rman_get_bustag(fdc->res_fdsio); 80132210Snyan fdc->sc_fdsioh = rman_get_bushandle(fdc->res_fdsio); 81132210Snyan 82132210Snyan rid = 4; 83132210Snyan bus_set_resource(dev, SYS_RES_IOPORT, rid, 0x4be, 1); 84132210Snyan fdc->res_fdemsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, 85132210Snyan RF_ACTIVE); 86132210Snyan if (fdc->res_fdemsio == 0) 87132210Snyan return ENXIO; 88132210Snyan fdc->sc_fdemsiot = rman_get_bustag(fdc->res_fdemsio); 89132210Snyan fdc->sc_fdemsioh = rman_get_bushandle(fdc->res_fdemsio); 90132210Snyan 91132210Snyan fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq, 92132210Snyan RF_ACTIVE); 93132210Snyan if (fdc->res_irq == 0) { 94132210Snyan device_printf(dev, "cannot reserve interrupt line\n"); 95132210Snyan return ENXIO; 96132210Snyan } 97132210Snyan 98132210Snyan if ((fdc->flags & FDC_NODMA) == 0) { 99132210Snyan fdc->res_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, 100132210Snyan &fdc->rid_drq, RF_ACTIVE); 101132210Snyan if (fdc->res_drq == 0) { 102132210Snyan device_printf(dev, "cannot reserve DMA request line\n"); 103132210Snyan return ENXIO; 104132210Snyan } 105132210Snyan fdc->dmachan = rman_get_start(fdc->res_drq); 106132210Snyan } 107132210Snyan 108132210Snyan return 0; 109132210Snyan} 110132210Snyan 111132210Snyanstatic int 112131819Snyanfdc_cbus_probe(device_t dev) 113131819Snyan{ 114131819Snyan int error; 115131819Snyan struct fdc_data *fdc; 116131819Snyan 117131819Snyan fdc = device_get_softc(dev); 118131819Snyan 119131819Snyan /* Check pnp ids */ 120131819Snyan if (isa_get_vendorid(dev)) 121131819Snyan return (ENXIO); 122131819Snyan 123131819Snyan /* Attempt to allocate our resources for the duration of the probe */ 124132210Snyan error = fdc_cbus_alloc_resources(dev, fdc); 125132103Snyan if (!error) 126132103Snyan error = fdc_initial_reset(fdc); 127131819Snyan 128131819Snyan fdc_release_resources(fdc); 129131819Snyan return (error); 130131819Snyan} 131131819Snyan 132132210Snyanstatic int 133132210Snyanfdc_cbus_attach(device_t dev) 134132210Snyan{ 135132210Snyan struct fdc_data *fdc; 136132286Snyan int error; 137132210Snyan 138132210Snyan fdc = device_get_softc(dev); 139132210Snyan 140132210Snyan if ((error = fdc_cbus_alloc_resources(dev, fdc)) != 0 || 141132286Snyan (error = fdc_attach(dev)) != 0 || 142132286Snyan (error = fdc_hints_probe(dev)) != 0) { 143132210Snyan fdc_release_resources(fdc); 144132210Snyan return (error); 145132210Snyan } 146132210Snyan 147132210Snyan return (0); 148132210Snyan} 149132210Snyan 150131819Snyanstatic device_method_t fdc_methods[] = { 151131819Snyan /* Device interface */ 152131819Snyan DEVMETHOD(device_probe, fdc_cbus_probe), 153132210Snyan DEVMETHOD(device_attach, fdc_cbus_attach), 154131819Snyan DEVMETHOD(device_detach, fdc_detach), 155131819Snyan DEVMETHOD(device_shutdown, bus_generic_shutdown), 156131819Snyan DEVMETHOD(device_suspend, bus_generic_suspend), 157131819Snyan DEVMETHOD(device_resume, bus_generic_resume), 158131819Snyan 159131819Snyan /* Bus interface */ 160131819Snyan DEVMETHOD(bus_print_child, fdc_print_child), 161131819Snyan DEVMETHOD(bus_read_ivar, fdc_read_ivar), 162132103Snyan DEVMETHOD(bus_write_ivar, fdc_write_ivar), 163131819Snyan /* Our children never use any other bus interface methods. */ 164131819Snyan 165131819Snyan { 0, 0 } 166131819Snyan}; 167131819Snyan 168131819Snyanstatic driver_t fdc_driver = { 169131819Snyan "fdc", 170131819Snyan fdc_methods, 171131819Snyan sizeof(struct fdc_data) 172131819Snyan}; 173131819Snyan 174131819SnyanDRIVER_MODULE(fdc, isa, fdc_driver, fdc_devclass, 0, 0); 175