puc.c revision 118292
190731Sjhay/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ 290731Sjhay 390731Sjhay/*- 490731Sjhay * Copyright (c) 2002 JF Hay. All rights reserved. 590731Sjhay * Copyright (c) 2000 M. Warner Losh. All rights reserved. 690731Sjhay * 790731Sjhay * Redistribution and use in source and binary forms, with or without 890731Sjhay * modification, are permitted provided that the following conditions 990731Sjhay * are met: 1090731Sjhay * 1. Redistributions of source code must retain the above copyright 1190731Sjhay * notice unmodified, this list of conditions, and the following 1290731Sjhay * disclaimer. 1390731Sjhay * 2. Redistributions in binary form must reproduce the above copyright 1490731Sjhay * notice, this list of conditions and the following disclaimer in the 1590731Sjhay * documentation and/or other materials provided with the distribution. 1690731Sjhay * 1790731Sjhay * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1890731Sjhay * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1990731Sjhay * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2090731Sjhay * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2190731Sjhay * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2290731Sjhay * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2390731Sjhay * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2490731Sjhay * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2590731Sjhay * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2690731Sjhay * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2790731Sjhay */ 2890731Sjhay 2990731Sjhay/* 3090731Sjhay * Copyright (c) 1996, 1998, 1999 3190731Sjhay * Christopher G. Demetriou. All rights reserved. 3290731Sjhay * 3390731Sjhay * Redistribution and use in source and binary forms, with or without 3490731Sjhay * modification, are permitted provided that the following conditions 3590731Sjhay * are met: 3690731Sjhay * 1. Redistributions of source code must retain the above copyright 3790731Sjhay * notice, this list of conditions and the following disclaimer. 3890731Sjhay * 2. Redistributions in binary form must reproduce the above copyright 3990731Sjhay * notice, this list of conditions and the following disclaimer in the 4090731Sjhay * documentation and/or other materials provided with the distribution. 4190731Sjhay * 3. All advertising materials mentioning features or use of this software 4290731Sjhay * must display the following acknowledgement: 4390731Sjhay * This product includes software developed by Christopher G. Demetriou 4490731Sjhay * for the NetBSD Project. 4590731Sjhay * 4. The name of the author may not be used to endorse or promote products 4690731Sjhay * derived from this software without specific prior written permission 4790731Sjhay * 4890731Sjhay * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 4990731Sjhay * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 5090731Sjhay * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 5190731Sjhay * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 5290731Sjhay * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 5390731Sjhay * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 5490731Sjhay * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 5590731Sjhay * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 5690731Sjhay * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 5790731Sjhay * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 5890731Sjhay */ 5990731Sjhay 6090731Sjhay#include <sys/cdefs.h> 6190731Sjhay__FBSDID("$FreeBSD: head/sys/dev/puc/puc.c 118292 2003-08-01 02:25:32Z ambrisko $"); 6290731Sjhay 6390731Sjhay/* 6490731Sjhay * PCI "universal" communication card device driver, glues com, lpt, 6590731Sjhay * and similar ports to PCI via bridge chip often much larger than 6690731Sjhay * the devices being glued. 6790731Sjhay * 6890731Sjhay * Author: Christopher G. Demetriou, May 14, 1998 (derived from NetBSD 6990731Sjhay * sys/dev/pci/pciide.c, revision 1.6). 7090731Sjhay * 7190731Sjhay * These devices could be (and some times are) described as 7290731Sjhay * communications/{serial,parallel}, etc. devices with known 7390731Sjhay * programming interfaces, but those programming interfaces (in 7490731Sjhay * particular the BAR assignments for devices, etc.) in fact are not 7590731Sjhay * particularly well defined. 7690731Sjhay * 7790731Sjhay * After I/we have seen more of these devices, it may be possible 7890731Sjhay * to generalize some of these bits. In particular, devices which 7990731Sjhay * describe themselves as communications/serial/16[45]50, and 8090731Sjhay * communications/parallel/??? might be attached via direct 8190731Sjhay * 'com' and 'lpt' attachments to pci. 8290731Sjhay */ 8390731Sjhay 84102751Sjmallett#include "opt_puc.h" 85102751Sjmallett 8690731Sjhay#include <sys/param.h> 8790731Sjhay#include <sys/systm.h> 8890731Sjhay#include <sys/kernel.h> 8990731Sjhay#include <sys/bus.h> 9090731Sjhay#include <sys/conf.h> 9190731Sjhay#include <sys/malloc.h> 9290731Sjhay 9390731Sjhay#include <machine/bus.h> 9490731Sjhay#include <machine/resource.h> 9590731Sjhay#include <sys/rman.h> 9690731Sjhay 9790731Sjhay#include <dev/pci/pcireg.h> 9890731Sjhay#include <dev/pci/pcivar.h> 99102714Sphk 100102714Sphk#define PUC_ENTRAILS 1 10190731Sjhay#include <dev/puc/pucvar.h> 10290731Sjhay 10390731Sjhaystruct puc_device { 10490731Sjhay struct resource_list resources; 10590731Sjhay u_int serialfreq; 10690731Sjhay}; 10790731Sjhay 10890731Sjhaystatic void puc_intr(void *arg); 10990731Sjhay 11090731Sjhaystatic int puc_find_free_unit(char *); 11190731Sjhay#ifdef PUC_DEBUG 11290731Sjhaystatic void puc_print_resource_list(struct resource_list *); 11390731Sjhay#endif 11490731Sjhay 115102893Sphkdevclass_t puc_devclass; 116102893Sphk 117102734Sphkstatic int 118102734Sphkpuc_port_bar_index(struct puc_softc *sc, int bar) 119102734Sphk{ 120102734Sphk int i; 121102734Sphk 122102734Sphk for (i = 0; i < PUC_MAX_BAR; i += 1) { 123102734Sphk if (!sc->sc_bar_mappings[i].used) 124102734Sphk break; 125102734Sphk if (sc->sc_bar_mappings[i].bar == bar) 126102734Sphk return (i); 127102734Sphk } 128102734Sphk sc->sc_bar_mappings[i].bar = bar; 129102734Sphk sc->sc_bar_mappings[i].used = 1; 130102734Sphk return (i); 131102734Sphk} 132102734Sphk 133112270Ssobomaxstatic int 134112270Ssobomaxpuc_probe_ilr(struct puc_softc *sc, struct resource *res) 135112270Ssobomax{ 136112270Ssobomax u_char t1, t2; 137112270Ssobomax int i; 138112270Ssobomax 139112270Ssobomax switch (sc->sc_desc->ilr_type) { 140112270Ssobomax case PUC_ILR_TYPE_DIGI: 141112270Ssobomax sc->ilr_st = rman_get_bustag(res); 142112270Ssobomax sc->ilr_sh = rman_get_bushandle(res); 143114344Ssobomax for (i = 0; i < 2 && sc->sc_desc->ilr_offset[i] != 0; i++) { 144112270Ssobomax t1 = bus_space_read_1(sc->ilr_st, sc->ilr_sh, 145112270Ssobomax sc->sc_desc->ilr_offset[i]); 146112270Ssobomax t1 = ~t1; 147112270Ssobomax bus_space_write_1(sc->ilr_st, sc->ilr_sh, 148112270Ssobomax sc->sc_desc->ilr_offset[i], t1); 149112270Ssobomax t2 = bus_space_read_1(sc->ilr_st, sc->ilr_sh, 150112270Ssobomax sc->sc_desc->ilr_offset[i]); 151112270Ssobomax if (t2 == t1) 152112270Ssobomax return (0); 153112270Ssobomax } 154112270Ssobomax return (1); 155112270Ssobomax 156112270Ssobomax default: 157112270Ssobomax break; 158112270Ssobomax } 159112270Ssobomax return (0); 160112270Ssobomax} 161112270Ssobomax 162102714Sphkint 163102714Sphkpuc_attach(device_t dev, const struct puc_device_description *desc) 16490731Sjhay{ 16590731Sjhay char *typestr; 166109458Smarcel int bidx, childunit, i, irq_setup, rid, type; 16790731Sjhay struct puc_softc *sc; 16890731Sjhay struct puc_device *pdev; 16990731Sjhay struct resource *res; 17090731Sjhay struct resource_list_entry *rle; 17190731Sjhay 17290731Sjhay sc = (struct puc_softc *)device_get_softc(dev); 17390731Sjhay bzero(sc, sizeof(*sc)); 174102714Sphk sc->sc_desc = desc; 17590731Sjhay if (sc->sc_desc == NULL) 17690731Sjhay return (ENXIO); 17790731Sjhay 17890731Sjhay#ifdef PUC_DEBUG 17990731Sjhay bootverbose = 1; 18090731Sjhay 18190731Sjhay printf("puc: name: %s\n", sc->sc_desc->name); 18290731Sjhay#endif 18390731Sjhay rid = 0; 18490731Sjhay res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 18590731Sjhay RF_ACTIVE | RF_SHAREABLE); 18690731Sjhay if (!res) 18790731Sjhay return (ENXIO); 18890731Sjhay 18990731Sjhay sc->irqres = res; 19090731Sjhay sc->irqrid = rid; 191102929Sphk#ifdef PUC_FASTINTR 19290731Sjhay irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 193102929Sphk INTR_TYPE_TTY | INTR_FAST, puc_intr, sc, &sc->intr_cookie); 194102929Sphk if (irq_setup == 0) 195102931Sphk sc->fastintr = INTR_FAST; 196102929Sphk else 197102929Sphk irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 198102929Sphk INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie); 199102929Sphk#else 200102929Sphk irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 201102895Sphk INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie); 202102929Sphk#endif 20390731Sjhay if (irq_setup != 0) 20490731Sjhay return (ENXIO); 20590731Sjhay 20690731Sjhay rid = 0; 20790731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 208102734Sphk if (i > 0 && rid == sc->sc_desc->ports[i].bar) 20990731Sjhay sc->barmuxed = 1; 21090731Sjhay rid = sc->sc_desc->ports[i].bar; 211102734Sphk bidx = puc_port_bar_index(sc, rid); 21290731Sjhay 21390731Sjhay if (sc->sc_bar_mappings[bidx].res != NULL) 21490731Sjhay continue; 215109458Smarcel 216109458Smarcel type = (sc->sc_desc->ports[i].flags & PUC_FLAGS_MEMORY) 217109458Smarcel ? SYS_RES_MEMORY : SYS_RES_IOPORT; 218109458Smarcel 219109458Smarcel res = bus_alloc_resource(dev, type, &rid, 0ul, ~0ul, 1, 220109458Smarcel RF_ACTIVE); 22190731Sjhay if (res == NULL) { 22290731Sjhay printf("could not get resource\n"); 22390731Sjhay continue; 22490731Sjhay } 225109458Smarcel sc->sc_bar_mappings[bidx].type = type; 22690731Sjhay sc->sc_bar_mappings[bidx].res = res; 227112270Ssobomax 228112270Ssobomax if (sc->sc_desc->ilr_type != PUC_ILR_TYPE_NONE) { 229112270Ssobomax sc->ilr_enabled = puc_probe_ilr(sc, res); 230112270Ssobomax if (sc->ilr_enabled) 231112270Ssobomax device_printf(dev, "ILR enabled\n"); 232112270Ssobomax else 233112270Ssobomax device_printf(dev, "ILR disabled\n"); 234112270Ssobomax } 23590731Sjhay#ifdef PUC_DEBUG 236109458Smarcel printf("%s rid %d bst %x, start %x, end %x\n", 237109458Smarcel (type == SYS_RES_MEMORY) ? "memory" : "port", rid, 23890731Sjhay (u_int)rman_get_bustag(res), (u_int)rman_get_start(res), 23990731Sjhay (u_int)rman_get_end(res)); 24090731Sjhay#endif 24190731Sjhay } 24290731Sjhay 243102734Sphk if (desc->init != NULL) { 244102734Sphk i = desc->init(sc); 245102734Sphk if (i != 0) 246102734Sphk return (i); 247102734Sphk } 24890731Sjhay 24990731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 25090731Sjhay rid = sc->sc_desc->ports[i].bar; 251102734Sphk bidx = puc_port_bar_index(sc, rid); 25290731Sjhay if (sc->sc_bar_mappings[bidx].res == NULL) 25390731Sjhay continue; 25490731Sjhay 25590731Sjhay switch (sc->sc_desc->ports[i].type) { 25690731Sjhay case PUC_PORT_TYPE_COM: 25790731Sjhay typestr = "sio"; 25890731Sjhay break; 259118292Sambrisko case PUC_PORT_TYPE_LPT: 260118292Sambrisko typestr = "ppc"; 261118292Sambrisko break; 26290731Sjhay default: 26390731Sjhay continue; 26490731Sjhay } 26590731Sjhay pdev = malloc(sizeof(struct puc_device), M_DEVBUF, 26690731Sjhay M_NOWAIT | M_ZERO); 26790731Sjhay if (!pdev) 26890731Sjhay continue; 26990731Sjhay resource_list_init(&pdev->resources); 27090731Sjhay 27190731Sjhay /* First fake up an IRQ resource. */ 27290731Sjhay resource_list_add(&pdev->resources, SYS_RES_IRQ, 0, 27390731Sjhay rman_get_start(sc->irqres), rman_get_end(sc->irqres), 27490731Sjhay rman_get_end(sc->irqres) - rman_get_start(sc->irqres) + 1); 27590731Sjhay rle = resource_list_find(&pdev->resources, SYS_RES_IRQ, 0); 27690731Sjhay rle->res = sc->irqres; 27790731Sjhay 278109458Smarcel /* Now fake an IOPORT or MEMORY resource */ 27990731Sjhay res = sc->sc_bar_mappings[bidx].res; 280109458Smarcel type = sc->sc_bar_mappings[bidx].type; 281109458Smarcel resource_list_add(&pdev->resources, type, 0, 28290731Sjhay rman_get_start(res) + sc->sc_desc->ports[i].offset, 283102734Sphk rman_get_start(res) + sc->sc_desc->ports[i].offset + 8 - 1, 28490731Sjhay 8); 285109458Smarcel rle = resource_list_find(&pdev->resources, type, 0); 28690731Sjhay 28790731Sjhay if (sc->barmuxed == 0) { 28890731Sjhay rle->res = sc->sc_bar_mappings[bidx].res; 28990731Sjhay } else { 29090731Sjhay rle->res = malloc(sizeof(struct resource), M_DEVBUF, 291111119Simp M_WAITOK | M_ZERO); 29290925Snyan if (rle->res == NULL) { 29390925Snyan free(pdev, M_DEVBUF); 29490731Sjhay return (ENOMEM); 29590925Snyan } 29690731Sjhay 29790731Sjhay rle->res->r_start = rman_get_start(res) + 29890731Sjhay sc->sc_desc->ports[i].offset; 29990731Sjhay rle->res->r_end = rle->res->r_start + 8 - 1; 30090731Sjhay rle->res->r_bustag = rman_get_bustag(res); 30190731Sjhay bus_space_subregion(rle->res->r_bustag, 30290731Sjhay rman_get_bushandle(res), 30390731Sjhay sc->sc_desc->ports[i].offset, 8, 30490731Sjhay &rle->res->r_bushandle); 30590731Sjhay } 30690731Sjhay 30790731Sjhay pdev->serialfreq = sc->sc_desc->ports[i].serialfreq; 30890731Sjhay 30990731Sjhay childunit = puc_find_free_unit(typestr); 31090731Sjhay sc->sc_ports[i].dev = device_add_child(dev, typestr, childunit); 31190925Snyan if (sc->sc_ports[i].dev == NULL) { 31290925Snyan if (sc->barmuxed) { 31390925Snyan bus_space_unmap(rman_get_bustag(rle->res), 314109458Smarcel rman_get_bushandle(rle->res), 8); 31590925Snyan free(rle->res, M_DEVBUF); 31690925Snyan free(pdev, M_DEVBUF); 31790925Snyan } 31890731Sjhay continue; 31990925Snyan } 32090731Sjhay device_set_ivars(sc->sc_ports[i].dev, pdev); 32190731Sjhay device_set_desc(sc->sc_ports[i].dev, sc->sc_desc->name); 32290731Sjhay if (!bootverbose) 32390731Sjhay device_quiet(sc->sc_ports[i].dev); 32490731Sjhay#ifdef PUC_DEBUG 32590731Sjhay printf("puc: type %d, bar %x, offset %x\n", 32690731Sjhay sc->sc_desc->ports[i].type, 32790731Sjhay sc->sc_desc->ports[i].bar, 32890731Sjhay sc->sc_desc->ports[i].offset); 329102714Sphk puc_print_resource_list(&pdev->resources); 33090731Sjhay#endif 331104068Sphk device_set_flags(sc->sc_ports[i].dev, 332104068Sphk sc->sc_desc->ports[i].flags); 33390925Snyan if (device_probe_and_attach(sc->sc_ports[i].dev) != 0) { 33490925Snyan if (sc->barmuxed) { 33590925Snyan bus_space_unmap(rman_get_bustag(rle->res), 33690925Snyan rman_get_bushandle(rle->res), 33790925Snyan 8); 33890925Snyan free(rle->res, M_DEVBUF); 33990925Snyan free(pdev, M_DEVBUF); 34090925Snyan } 34190925Snyan } 34290731Sjhay } 34390731Sjhay 34490731Sjhay#ifdef PUC_DEBUG 34590731Sjhay bootverbose = 0; 34690731Sjhay#endif 34790731Sjhay return (0); 34890731Sjhay} 34990731Sjhay 350112270Ssobomaxstatic u_int32_t 351112270Ssobomaxpuc_ilr_read(struct puc_softc *sc) 352112270Ssobomax{ 353112270Ssobomax u_int32_t mask; 354112270Ssobomax int i; 355112270Ssobomax 356112270Ssobomax mask = 0; 357112270Ssobomax switch (sc->sc_desc->ilr_type) { 358112270Ssobomax case PUC_ILR_TYPE_DIGI: 359114344Ssobomax for (i = 1; i >= 0 && sc->sc_desc->ilr_offset[i] != 0; i--) { 360112270Ssobomax mask = (mask << 8) | (bus_space_read_1(sc->ilr_st, 361112270Ssobomax sc->ilr_sh, sc->sc_desc->ilr_offset[i]) & 0xff); 362112270Ssobomax } 363112270Ssobomax break; 364112270Ssobomax 365112270Ssobomax default: 366112270Ssobomax mask = 0xffffffff; 367112270Ssobomax break; 368112270Ssobomax } 369112270Ssobomax return (mask); 370112270Ssobomax} 371112270Ssobomax 37290731Sjhay/* 373112270Ssobomax * This is an interrupt handler. For boards that can't tell us which 374112270Ssobomax * device generated the interrupt it just calls all the registered 375112270Ssobomax * handlers sequencially, but for boards that can tell us which 376112270Ssobomax * device(s) generated the interrupt it calls only handlers for devices 377112270Ssobomax * that actually generated the interrupt. 37890731Sjhay */ 37990731Sjhaystatic void 38090731Sjhaypuc_intr(void *arg) 38190731Sjhay{ 38290731Sjhay int i; 383112270Ssobomax u_int32_t ilr_mask; 38490731Sjhay struct puc_softc *sc; 38590731Sjhay 38690731Sjhay sc = (struct puc_softc *)arg; 387112270Ssobomax ilr_mask = sc->ilr_enabled ? puc_ilr_read(sc) : 0xffffffff; 38890731Sjhay for (i = 0; i < PUC_MAX_PORTS; i++) 389112270Ssobomax if (sc->sc_ports[i].ihand != NULL && 390112270Ssobomax ((ilr_mask >> i) & 0x00000001)) 39190731Sjhay (sc->sc_ports[i].ihand)(sc->sc_ports[i].ihandarg); 39290731Sjhay} 39390731Sjhay 394102714Sphkconst struct puc_device_description * 39590731Sjhaypuc_find_description(uint32_t vend, uint32_t prod, uint32_t svend, 39690731Sjhay uint32_t sprod) 39790731Sjhay{ 39890731Sjhay int i; 39990731Sjhay 40090731Sjhay#define checkreg(val, index) \ 40190731Sjhay (((val) & puc_devices[i].rmask[(index)]) == puc_devices[i].rval[(index)]) 40290731Sjhay 40390731Sjhay for (i = 0; puc_devices[i].name != NULL; i++) { 40490731Sjhay if (checkreg(vend, PUC_REG_VEND) && 40590731Sjhay checkreg(prod, PUC_REG_PROD) && 40690731Sjhay checkreg(svend, PUC_REG_SVEND) && 40790731Sjhay checkreg(sprod, PUC_REG_SPROD)) 40890731Sjhay return (&puc_devices[i]); 40990731Sjhay } 41090731Sjhay 41190731Sjhay#undef checkreg 41290731Sjhay 41390731Sjhay return (NULL); 41490731Sjhay} 415102894Sphk 416102894Sphkstatic int 417102894Sphkpuc_find_free_unit(char *name) 41890731Sjhay{ 41990731Sjhay devclass_t dc; 42090731Sjhay int start; 42190731Sjhay int unit; 42290731Sjhay 42390731Sjhay unit = 0; 42490731Sjhay start = 0; 42590731Sjhay while (resource_int_value(name, unit, "port", &start) == 0 && 42690731Sjhay start > 0) 42790731Sjhay unit++; 42890731Sjhay dc = devclass_find(name); 42990731Sjhay if (dc == NULL) 43090731Sjhay return (-1); 43190731Sjhay while (devclass_get_device(dc, unit)) 43290731Sjhay unit++; 43390731Sjhay#ifdef PUC_DEBUG 43490731Sjhay printf("puc: Using %s%d\n", name, unit); 43590731Sjhay#endif 43690731Sjhay return (unit); 43790731Sjhay} 43890731Sjhay 43990731Sjhay#ifdef PUC_DEBUG 44090731Sjhaystatic void 44190731Sjhaypuc_print_resource_list(struct resource_list *rl) 44290731Sjhay{ 443102734Sphk#if 0 44490731Sjhay struct resource_list_entry *rle; 44590731Sjhay 44690731Sjhay printf("print_resource_list: rl %p\n", rl); 44790731Sjhay SLIST_FOREACH(rle, rl, link) 448102734Sphk printf(" type %x, rid %x start %x end %x count %x\n", 449102734Sphk rle->type, rle->rid, rle->start, rle->end, rle->count); 45090731Sjhay printf("print_resource_list: end.\n"); 451102734Sphk#endif 45290731Sjhay} 45390731Sjhay#endif 45490731Sjhay 455102714Sphkstruct resource * 45690731Sjhaypuc_alloc_resource(device_t dev, device_t child, int type, int *rid, 45790731Sjhay u_long start, u_long end, u_long count, u_int flags) 45890731Sjhay{ 45990731Sjhay struct puc_device *pdev; 46090731Sjhay struct resource *retval; 46190731Sjhay struct resource_list *rl; 46290731Sjhay struct resource_list_entry *rle; 463118292Sambrisko device_t my_child; 46490731Sjhay 465118292Sambrisko /* 466118292Sambrisko * in the case of a child of child we need to find our immediate child 467118292Sambrisko */ 468118292Sambrisko for (my_child = child; device_get_parent(my_child) != dev; 469118292Sambrisko my_child = device_get_parent(my_child)); 470118292Sambrisko 471118292Sambrisko pdev = device_get_ivars(my_child); 47290731Sjhay rl = &pdev->resources; 47390731Sjhay 47490731Sjhay#ifdef PUC_DEBUG 47590731Sjhay printf("puc_alloc_resource: pdev %p, looking for t %x, r %x\n", 47690731Sjhay pdev, type, *rid); 47790731Sjhay puc_print_resource_list(rl); 47890731Sjhay#endif 47990731Sjhay retval = NULL; 48090731Sjhay rle = resource_list_find(rl, type, *rid); 48190731Sjhay if (rle) { 48290731Sjhay start = rle->start; 48390731Sjhay end = rle->end; 48490731Sjhay count = rle->count; 48590731Sjhay#ifdef PUC_DEBUG 48690731Sjhay printf("found rle, %lx, %lx, %lx\n", start, end, count); 48790731Sjhay#endif 48890731Sjhay retval = rle->res; 489118292Sambrisko } 490118292Sambrisko#ifdef PUC_DEBUG 491118292Sambrisko else 49290731Sjhay printf("oops rle is gone\n"); 493118292Sambrisko#endif 49490731Sjhay 49590731Sjhay return (retval); 49690731Sjhay} 49790731Sjhay 498102714Sphkint 49990731Sjhaypuc_release_resource(device_t dev, device_t child, int type, int rid, 50090731Sjhay struct resource *res) 50190731Sjhay{ 50290731Sjhay return (0); 50390731Sjhay} 50490731Sjhay 505102714Sphkint 50690731Sjhaypuc_get_resource(device_t dev, device_t child, int type, int rid, 50790731Sjhay u_long *startp, u_long *countp) 50890731Sjhay{ 50990731Sjhay struct puc_device *pdev; 51090731Sjhay struct resource_list *rl; 51190731Sjhay struct resource_list_entry *rle; 51290731Sjhay 51390731Sjhay pdev = device_get_ivars(child); 51490731Sjhay rl = &pdev->resources; 51590731Sjhay 51690731Sjhay#ifdef PUC_DEBUG 51790731Sjhay printf("puc_get_resource: pdev %p, looking for t %x, r %x\n", pdev, 51890731Sjhay type, rid); 51990731Sjhay puc_print_resource_list(rl); 52090731Sjhay#endif 52190731Sjhay rle = resource_list_find(rl, type, rid); 52290731Sjhay if (rle) { 52390731Sjhay#ifdef PUC_DEBUG 52490731Sjhay printf("found rle %p,", rle); 52590731Sjhay#endif 52690731Sjhay if (startp != NULL) 52790731Sjhay *startp = rle->start; 52890731Sjhay if (countp != NULL) 52990731Sjhay *countp = rle->count; 53090731Sjhay#ifdef PUC_DEBUG 53190731Sjhay printf(" %lx, %lx\n", rle->start, rle->count); 53290731Sjhay#endif 53390731Sjhay return (0); 53490731Sjhay } else 53590731Sjhay printf("oops rle is gone\n"); 53690731Sjhay return (ENXIO); 53790731Sjhay} 53890731Sjhay 539102714Sphkint 54090731Sjhaypuc_setup_intr(device_t dev, device_t child, struct resource *r, int flags, 54190731Sjhay void (*ihand)(void *), void *arg, void **cookiep) 54290731Sjhay{ 54390731Sjhay int i; 54490731Sjhay struct puc_softc *sc; 54590731Sjhay 546102929Sphk sc = (struct puc_softc *)device_get_softc(dev); 547102931Sphk if ((flags & INTR_FAST) != sc->fastintr) 548102895Sphk return (ENXIO); 54990731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 55090731Sjhay if (sc->sc_ports[i].dev == child) { 55190731Sjhay if (sc->sc_ports[i].ihand != 0) 55290731Sjhay return (ENXIO); 55390731Sjhay sc->sc_ports[i].ihand = ihand; 55490731Sjhay sc->sc_ports[i].ihandarg = arg; 55590731Sjhay *cookiep = arg; 55690731Sjhay return (0); 55790731Sjhay } 55890731Sjhay } 55990731Sjhay return (ENXIO); 56090731Sjhay} 56190731Sjhay 562102714Sphkint 56390731Sjhaypuc_teardown_intr(device_t dev, device_t child, struct resource *r, 56490731Sjhay void *cookie) 56590731Sjhay{ 56690731Sjhay int i; 56790731Sjhay struct puc_softc *sc; 56890731Sjhay 56990731Sjhay sc = (struct puc_softc *)device_get_softc(dev); 57090731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 57190731Sjhay if (sc->sc_ports[i].dev == child) { 57290731Sjhay sc->sc_ports[i].ihand = NULL; 57390731Sjhay sc->sc_ports[i].ihandarg = NULL; 57490731Sjhay return (0); 57590731Sjhay } 57690731Sjhay } 57790731Sjhay return (ENXIO); 57890731Sjhay} 57990731Sjhay 580102714Sphkint 58190731Sjhaypuc_read_ivar(device_t dev, device_t child, int index, uintptr_t *result) 58290731Sjhay{ 58390731Sjhay struct puc_device *pdev; 58490731Sjhay 58590731Sjhay pdev = device_get_ivars(child); 58690731Sjhay if (pdev == NULL) 58790731Sjhay return (ENOENT); 58890731Sjhay 58990731Sjhay switch(index) { 59090731Sjhay case PUC_IVAR_FREQ: 59190731Sjhay *result = pdev->serialfreq; 59290731Sjhay break; 59390731Sjhay default: 59490731Sjhay return (ENOENT); 59590731Sjhay } 59690731Sjhay return (0); 59790731Sjhay} 598