/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ /*- * Copyright (c) 2002 JF Hay. All rights reserved. * Copyright (c) 2000 M. Warner Losh. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); /* * Copyright (c) 1996, 1998, 1999 * Christopher G. Demetriou. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_puc.h" #include #include #include #include #include #include #include #include #include #include #include #define PUC_ENTRAILS 1 #include extern const struct puc_device_description puc_devices[]; int puc_config_win877(struct puc_softc *); static const struct puc_device_description * puc_find_description(uint32_t vend, uint32_t prod, uint32_t svend, uint32_t sprod) { int i; #define checkreg(val, index) \ (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)]) for (i = 0; puc_devices[i].name != NULL; i++) { if (checkreg(vend, PUC_REG_VEND) && checkreg(prod, PUC_REG_PROD) && checkreg(svend, PUC_REG_SVEND) && checkreg(sprod, PUC_REG_SPROD)) return (&puc_devices[i]); } #undef checkreg return (NULL); } static int puc_pci_probe(device_t dev) { uint32_t v1, v2, d1, d2; const struct puc_device_description *desc; if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0) return (ENXIO); v1 = pci_read_config(dev, PCIR_VENDOR, 2); d1 = pci_read_config(dev, PCIR_DEVICE, 2); v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); desc = puc_find_description(v1, d1, v2, d2); if (desc == NULL) return (ENXIO); device_set_desc(dev, desc->name); return (0); } static int puc_pci_attach(device_t dev) { uint32_t v1, v2, d1, d2; v1 = pci_read_config(dev, PCIR_VENDOR, 2); d1 = pci_read_config(dev, PCIR_DEVICE, 2); v2 = pci_read_config(dev, PCIR_SUBVEND_0, 2); d2 = pci_read_config(dev, PCIR_SUBDEV_0, 2); return (puc_attach(dev, puc_find_description(v1, d1, v2, d2))); } static device_method_t puc_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, puc_pci_probe), DEVMETHOD(device_attach, puc_pci_attach), DEVMETHOD(bus_alloc_resource, puc_alloc_resource), DEVMETHOD(bus_release_resource, puc_release_resource), DEVMETHOD(bus_get_resource, puc_get_resource), DEVMETHOD(bus_read_ivar, puc_read_ivar), DEVMETHOD(bus_setup_intr, puc_setup_intr), DEVMETHOD(bus_teardown_intr, puc_teardown_intr), DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), { 0, 0 } }; static driver_t puc_pci_driver = { "puc", puc_pci_methods, sizeof(struct puc_softc), }; DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0); #define rdspio(indx) (bus_space_write_1(bst, bsh, efir, indx), \ bus_space_read_1(bst, bsh, efdr)) #define wrspio(indx,data) (bus_space_write_1(bst, bsh, efir, indx), \ bus_space_write_1(bst, bsh, efdr, data)) #ifdef PUC_DEBUG static void puc_print_win877(bus_space_tag_t bst, bus_space_handle_t bsh, u_int efir, u_int efdr) { u_char cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17; u_char cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32; cr00 = rdspio(0x00); cr01 = rdspio(0x01); cr04 = rdspio(0x04); cr09 = rdspio(0x09); cr0d = rdspio(0x0d); cr14 = rdspio(0x14); cr15 = rdspio(0x15); cr16 = rdspio(0x16); cr17 = rdspio(0x17); cr18 = rdspio(0x18); cr19 = rdspio(0x19); cr24 = rdspio(0x24); cr25 = rdspio(0x25); cr28 = rdspio(0x28); cr2c = rdspio(0x2c); cr31 = rdspio(0x31); cr32 = rdspio(0x32); printf("877T: cr00 %x, cr01 %x, cr04 %x, cr09 %x, cr0d %x, cr14 %x, " "cr15 %x, cr16 %x, cr17 %x, cr18 %x, cr19 %x, cr24 %x, cr25 %x, " "cr28 %x, cr2c %x, cr31 %x, cr32 %x\n", cr00, cr01, cr04, cr09, cr0d, cr14, cr15, cr16, cr17, cr18, cr19, cr24, cr25, cr28, cr2c, cr31, cr32); } #endif int puc_config_win877(struct puc_softc *sc) { u_char val; u_int efir, efdr; bus_space_tag_t bst; bus_space_handle_t bsh; struct resource *res; res = sc->sc_bar_mappings[0].res; bst = rman_get_bustag(res); bsh = rman_get_bushandle(res); /* configure the first W83877TF */ bus_space_write_1(bst, bsh, 0x250, 0x89); efir = 0x251; efdr = 0x252; val = rdspio(0x09) & 0x0f; if (val != 0x0c) { printf("conf_win877: Oops not a W83877TF\n"); return (ENXIO); } #ifdef PUC_DEBUG printf("before: "); puc_print_win877(bst, bsh, efir, efdr); #endif val = rdspio(0x16); val |= 0x04; wrspio(0x16, val); val &= ~0x04; wrspio(0x16, val); wrspio(0x24, 0x2e8 >> 2); wrspio(0x25, 0x2f8 >> 2); wrspio(0x17, 0x03); wrspio(0x28, 0x43); #ifdef PUC_DEBUG printf("after: "); puc_print_win877(bst, bsh, efir, efdr); #endif bus_space_write_1(bst, bsh, 0x250, 0xaa); /* configure the second W83877TF */ bus_space_write_1(bst, bsh, 0x3f0, 0x87); bus_space_write_1(bst, bsh, 0x3f0, 0x87); efir = 0x3f0; efdr = 0x3f1; val = rdspio(0x09) & 0x0f; if (val != 0x0c) { printf("conf_win877: Oops not a W83877TF\n"); return(ENXIO); } #ifdef PUC_DEBUG printf("before: "); puc_print_win877(bst, bsh, efir, efdr); #endif val = rdspio(0x16); val |= 0x04; wrspio(0x16, val); val &= ~0x04; wrspio(0x16, val); wrspio(0x24, 0x3e8 >> 2); wrspio(0x25, 0x3f8 >> 2); wrspio(0x17, 0x03); wrspio(0x28, 0x43); #ifdef PUC_DEBUG printf("after: "); puc_print_win877(bst, bsh, efir, efdr); #endif bus_space_write_1(bst, bsh, 0x3f0, 0xaa); return (0); } #undef rdspio #undef wrspio