puc.c revision 142502
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 11140040Simp * notice, this list of conditions and the following disclaimer. 1290731Sjhay * 2. Redistributions in binary form must reproduce the above copyright 1390731Sjhay * notice, this list of conditions and the following disclaimer in the 1490731Sjhay * documentation and/or other materials provided with the distribution. 1590731Sjhay * 16140040Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17140040Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18140040Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19140040Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20140040Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21140040Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22140040Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23140040Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24140040Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25140040Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26140040Simp * SUCH DAMAGE. 2790731Sjhay */ 2890731Sjhay 29139749Simp/*- 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 142502 2005-02-25 19:47:18Z sam $"); 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 84140046Simp#define __RMAN_RESOURCE_VISIBLE /* Shouldn't be there */ 85102751Sjmallett#include "opt_puc.h" 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; 105120451Smarcel int port; 106120451Smarcel int regshft; 107119814Smarcel u_int serialfreq; 108119814Smarcel u_int subtype; 10990731Sjhay}; 11090731Sjhay 11190731Sjhaystatic void puc_intr(void *arg); 11290731Sjhay 11390731Sjhaystatic int puc_find_free_unit(char *); 11490731Sjhay#ifdef PUC_DEBUG 11590731Sjhaystatic void puc_print_resource_list(struct resource_list *); 11690731Sjhay#endif 11790731Sjhay 118102893Sphkdevclass_t puc_devclass; 119102893Sphk 120102734Sphkstatic int 121102734Sphkpuc_port_bar_index(struct puc_softc *sc, int bar) 122102734Sphk{ 123102734Sphk int i; 124102734Sphk 125102734Sphk for (i = 0; i < PUC_MAX_BAR; i += 1) { 126102734Sphk if (!sc->sc_bar_mappings[i].used) 127102734Sphk break; 128102734Sphk if (sc->sc_bar_mappings[i].bar == bar) 129102734Sphk return (i); 130102734Sphk } 131142502Ssam if (i == PUC_MAX_BAR) { 132142502Ssam printf("%s: out of bars!\n", __func__); 133142502Ssam return (-1); 134142502Ssam } 135102734Sphk sc->sc_bar_mappings[i].bar = bar; 136102734Sphk sc->sc_bar_mappings[i].used = 1; 137102734Sphk return (i); 138102734Sphk} 139102734Sphk 140112270Ssobomaxstatic int 141112270Ssobomaxpuc_probe_ilr(struct puc_softc *sc, struct resource *res) 142112270Ssobomax{ 143112270Ssobomax u_char t1, t2; 144112270Ssobomax int i; 145112270Ssobomax 146119814Smarcel switch (sc->sc_desc.ilr_type) { 147112270Ssobomax case PUC_ILR_TYPE_DIGI: 148112270Ssobomax sc->ilr_st = rman_get_bustag(res); 149112270Ssobomax sc->ilr_sh = rman_get_bushandle(res); 150119814Smarcel for (i = 0; i < 2 && sc->sc_desc.ilr_offset[i] != 0; i++) { 151112270Ssobomax t1 = bus_space_read_1(sc->ilr_st, sc->ilr_sh, 152119814Smarcel sc->sc_desc.ilr_offset[i]); 153112270Ssobomax t1 = ~t1; 154112270Ssobomax bus_space_write_1(sc->ilr_st, sc->ilr_sh, 155119814Smarcel sc->sc_desc.ilr_offset[i], t1); 156112270Ssobomax t2 = bus_space_read_1(sc->ilr_st, sc->ilr_sh, 157119814Smarcel sc->sc_desc.ilr_offset[i]); 158112270Ssobomax if (t2 == t1) 159112270Ssobomax return (0); 160112270Ssobomax } 161112270Ssobomax return (1); 162112270Ssobomax 163112270Ssobomax default: 164112270Ssobomax break; 165112270Ssobomax } 166112270Ssobomax return (0); 167112270Ssobomax} 168112270Ssobomax 169102714Sphkint 170102714Sphkpuc_attach(device_t dev, const struct puc_device_description *desc) 17190731Sjhay{ 17290731Sjhay char *typestr; 173119814Smarcel int bidx, childunit, i, irq_setup, ressz, rid, type; 17490731Sjhay struct puc_softc *sc; 17590731Sjhay struct puc_device *pdev; 17690731Sjhay struct resource *res; 17790731Sjhay struct resource_list_entry *rle; 178131418Simp bus_space_handle_t bh; 17990731Sjhay 180119814Smarcel if (desc == NULL) 181119814Smarcel return (ENXIO); 182119814Smarcel 18390731Sjhay sc = (struct puc_softc *)device_get_softc(dev); 18490731Sjhay bzero(sc, sizeof(*sc)); 185119814Smarcel sc->sc_desc = *desc; 18690731Sjhay 18790731Sjhay#ifdef PUC_DEBUG 18890731Sjhay bootverbose = 1; 18990731Sjhay 190119814Smarcel printf("puc: name: %s\n", sc->sc_desc.name); 19190731Sjhay#endif 19290731Sjhay rid = 0; 193127135Snjl res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 19490731Sjhay RF_ACTIVE | RF_SHAREABLE); 19590731Sjhay if (!res) 19690731Sjhay return (ENXIO); 19790731Sjhay 19890731Sjhay sc->irqres = res; 19990731Sjhay sc->irqrid = rid; 200102929Sphk#ifdef PUC_FASTINTR 20190731Sjhay irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 202102929Sphk INTR_TYPE_TTY | INTR_FAST, puc_intr, sc, &sc->intr_cookie); 203102929Sphk if (irq_setup == 0) 204102931Sphk sc->fastintr = INTR_FAST; 205102929Sphk else 206102929Sphk irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 207102929Sphk INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie); 208102929Sphk#else 209102929Sphk irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res, 210102895Sphk INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie); 211102929Sphk#endif 21290731Sjhay if (irq_setup != 0) 21390731Sjhay return (ENXIO); 21490731Sjhay 21590731Sjhay rid = 0; 21690731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 217119814Smarcel if (i > 0 && rid == sc->sc_desc.ports[i].bar) 21890731Sjhay sc->barmuxed = 1; 219119814Smarcel rid = sc->sc_desc.ports[i].bar; 220102734Sphk bidx = puc_port_bar_index(sc, rid); 22190731Sjhay 222142502Ssam if (bidx < 0 || sc->sc_bar_mappings[bidx].res != NULL) 22390731Sjhay continue; 224109458Smarcel 225119814Smarcel type = (sc->sc_desc.ports[i].flags & PUC_FLAGS_MEMORY) 226109458Smarcel ? SYS_RES_MEMORY : SYS_RES_IOPORT; 227109458Smarcel 228127135Snjl res = bus_alloc_resource_any(dev, type, &rid, 229109458Smarcel RF_ACTIVE); 230119814Smarcel if (res == NULL && 231119814Smarcel sc->sc_desc.ports[i].flags & PUC_FLAGS_ALTRES) { 232119814Smarcel type = (type == SYS_RES_IOPORT) 233119814Smarcel ? SYS_RES_MEMORY : SYS_RES_IOPORT; 234127135Snjl res = bus_alloc_resource_any(dev, type, &rid, 235119814Smarcel RF_ACTIVE); 236119814Smarcel } 23790731Sjhay if (res == NULL) { 238119814Smarcel device_printf(dev, "could not get resource\n"); 23990731Sjhay continue; 24090731Sjhay } 241109458Smarcel sc->sc_bar_mappings[bidx].type = type; 24290731Sjhay sc->sc_bar_mappings[bidx].res = res; 243112270Ssobomax 244119814Smarcel if (sc->sc_desc.ilr_type != PUC_ILR_TYPE_NONE) { 245112270Ssobomax sc->ilr_enabled = puc_probe_ilr(sc, res); 246112270Ssobomax if (sc->ilr_enabled) 247112270Ssobomax device_printf(dev, "ILR enabled\n"); 248112270Ssobomax else 249112270Ssobomax device_printf(dev, "ILR disabled\n"); 250112270Ssobomax } 25190731Sjhay#ifdef PUC_DEBUG 252119814Smarcel printf("%s rid %d bst %lx, start %lx, end %lx\n", 253109458Smarcel (type == SYS_RES_MEMORY) ? "memory" : "port", rid, 254119814Smarcel (u_long)rman_get_bustag(res), (u_long)rman_get_start(res), 255119814Smarcel (u_long)rman_get_end(res)); 25690731Sjhay#endif 25790731Sjhay } 25890731Sjhay 259102734Sphk if (desc->init != NULL) { 260102734Sphk i = desc->init(sc); 261102734Sphk if (i != 0) 262102734Sphk return (i); 263102734Sphk } 26490731Sjhay 26590731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 266119814Smarcel rid = sc->sc_desc.ports[i].bar; 267102734Sphk bidx = puc_port_bar_index(sc, rid); 268142502Ssam if (bidx < 0 || sc->sc_bar_mappings[bidx].res == NULL) 26990731Sjhay continue; 27090731Sjhay 271119814Smarcel switch (sc->sc_desc.ports[i].type & ~PUC_PORT_SUBTYPE_MASK) { 27290731Sjhay case PUC_PORT_TYPE_COM: 27390731Sjhay typestr = "sio"; 27490731Sjhay break; 275118292Sambrisko case PUC_PORT_TYPE_LPT: 276118292Sambrisko typestr = "ppc"; 277118292Sambrisko break; 278119814Smarcel case PUC_PORT_TYPE_UART: 279119814Smarcel typestr = "uart"; 280119814Smarcel break; 28190731Sjhay default: 28290731Sjhay continue; 28390731Sjhay } 284119814Smarcel switch (sc->sc_desc.ports[i].type & PUC_PORT_SUBTYPE_MASK) { 285119814Smarcel case PUC_PORT_UART_SAB82532: 286119814Smarcel ressz = 64; 287119814Smarcel break; 288119814Smarcel case PUC_PORT_UART_Z8530: 289119814Smarcel ressz = 2; 290119814Smarcel break; 291119814Smarcel default: 292119814Smarcel ressz = 8; 293119814Smarcel break; 294119814Smarcel } 29590731Sjhay pdev = malloc(sizeof(struct puc_device), M_DEVBUF, 29690731Sjhay M_NOWAIT | M_ZERO); 29790731Sjhay if (!pdev) 29890731Sjhay continue; 29990731Sjhay resource_list_init(&pdev->resources); 30090731Sjhay 30190731Sjhay /* First fake up an IRQ resource. */ 30290731Sjhay resource_list_add(&pdev->resources, SYS_RES_IRQ, 0, 30390731Sjhay rman_get_start(sc->irqres), rman_get_end(sc->irqres), 30490731Sjhay rman_get_end(sc->irqres) - rman_get_start(sc->irqres) + 1); 30590731Sjhay rle = resource_list_find(&pdev->resources, SYS_RES_IRQ, 0); 30690731Sjhay rle->res = sc->irqres; 30790731Sjhay 308109458Smarcel /* Now fake an IOPORT or MEMORY resource */ 30990731Sjhay res = sc->sc_bar_mappings[bidx].res; 310109458Smarcel type = sc->sc_bar_mappings[bidx].type; 311109458Smarcel resource_list_add(&pdev->resources, type, 0, 312119814Smarcel rman_get_start(res) + sc->sc_desc.ports[i].offset, 313119814Smarcel rman_get_start(res) + sc->sc_desc.ports[i].offset 314119814Smarcel + ressz - 1, ressz); 315109458Smarcel rle = resource_list_find(&pdev->resources, type, 0); 31690731Sjhay 31790731Sjhay if (sc->barmuxed == 0) { 31890731Sjhay rle->res = sc->sc_bar_mappings[bidx].res; 31990731Sjhay } else { 32090731Sjhay rle->res = malloc(sizeof(struct resource), M_DEVBUF, 321111119Simp M_WAITOK | M_ZERO); 32290925Snyan if (rle->res == NULL) { 32390925Snyan free(pdev, M_DEVBUF); 32490731Sjhay return (ENOMEM); 32590925Snyan } 32690731Sjhay 327131418Simp rman_set_start(rle->res, rman_get_start(res) + 328131418Simp sc->sc_desc.ports[i].offset); 329131418Simp rman_set_end(rle->res, rman_get_start(rle->res) + 330131418Simp ressz - 1); 331131418Simp rman_set_bustag(rle->res, rman_get_bustag(res)); 332131418Simp bus_space_subregion(rman_get_bustag(rle->res), 33390731Sjhay rman_get_bushandle(res), 334119814Smarcel sc->sc_desc.ports[i].offset, ressz, 335131418Simp &bh); 336131418Simp rman_set_bushandle(rle->res, bh); 33790731Sjhay } 33890731Sjhay 339120451Smarcel pdev->port = i + 1; 340119814Smarcel pdev->serialfreq = sc->sc_desc.ports[i].serialfreq; 341119814Smarcel pdev->subtype = sc->sc_desc.ports[i].type & 342119814Smarcel PUC_PORT_SUBTYPE_MASK; 343119814Smarcel pdev->regshft = sc->sc_desc.ports[i].regshft; 34490731Sjhay 34590731Sjhay childunit = puc_find_free_unit(typestr); 346119814Smarcel if (childunit < 0 && strcmp(typestr, "uart") != 0) { 347119814Smarcel typestr = "uart"; 348119814Smarcel childunit = puc_find_free_unit(typestr); 349119814Smarcel } 350119814Smarcel sc->sc_ports[i].dev = device_add_child(dev, typestr, 351119814Smarcel childunit); 35290925Snyan if (sc->sc_ports[i].dev == NULL) { 35390925Snyan if (sc->barmuxed) { 35490925Snyan bus_space_unmap(rman_get_bustag(rle->res), 355119814Smarcel rman_get_bushandle(rle->res), ressz); 35690925Snyan free(rle->res, M_DEVBUF); 35790925Snyan free(pdev, M_DEVBUF); 35890925Snyan } 35990731Sjhay continue; 36090925Snyan } 36190731Sjhay device_set_ivars(sc->sc_ports[i].dev, pdev); 362119814Smarcel device_set_desc(sc->sc_ports[i].dev, sc->sc_desc.name); 36390731Sjhay#ifdef PUC_DEBUG 36490731Sjhay printf("puc: type %d, bar %x, offset %x\n", 365119814Smarcel sc->sc_desc.ports[i].type, 366119814Smarcel sc->sc_desc.ports[i].bar, 367119814Smarcel sc->sc_desc.ports[i].offset); 368102714Sphk puc_print_resource_list(&pdev->resources); 36990731Sjhay#endif 370104068Sphk device_set_flags(sc->sc_ports[i].dev, 371119814Smarcel sc->sc_desc.ports[i].flags); 37290925Snyan if (device_probe_and_attach(sc->sc_ports[i].dev) != 0) { 37390925Snyan if (sc->barmuxed) { 37490925Snyan bus_space_unmap(rman_get_bustag(rle->res), 375119814Smarcel rman_get_bushandle(rle->res), ressz); 37690925Snyan free(rle->res, M_DEVBUF); 37790925Snyan free(pdev, M_DEVBUF); 37890925Snyan } 37990925Snyan } 38090731Sjhay } 38190731Sjhay 38290731Sjhay#ifdef PUC_DEBUG 38390731Sjhay bootverbose = 0; 38490731Sjhay#endif 38590731Sjhay return (0); 38690731Sjhay} 38790731Sjhay 388112270Ssobomaxstatic u_int32_t 389112270Ssobomaxpuc_ilr_read(struct puc_softc *sc) 390112270Ssobomax{ 391112270Ssobomax u_int32_t mask; 392112270Ssobomax int i; 393112270Ssobomax 394112270Ssobomax mask = 0; 395119814Smarcel switch (sc->sc_desc.ilr_type) { 396112270Ssobomax case PUC_ILR_TYPE_DIGI: 397119814Smarcel for (i = 1; i >= 0 && sc->sc_desc.ilr_offset[i] != 0; i--) { 398112270Ssobomax mask = (mask << 8) | (bus_space_read_1(sc->ilr_st, 399119814Smarcel sc->ilr_sh, sc->sc_desc.ilr_offset[i]) & 0xff); 400112270Ssobomax } 401112270Ssobomax break; 402112270Ssobomax 403112270Ssobomax default: 404112270Ssobomax mask = 0xffffffff; 405112270Ssobomax break; 406112270Ssobomax } 407112270Ssobomax return (mask); 408112270Ssobomax} 409112270Ssobomax 41090731Sjhay/* 411112270Ssobomax * This is an interrupt handler. For boards that can't tell us which 412112270Ssobomax * device generated the interrupt it just calls all the registered 413112270Ssobomax * handlers sequencially, but for boards that can tell us which 414112270Ssobomax * device(s) generated the interrupt it calls only handlers for devices 415112270Ssobomax * that actually generated the interrupt. 41690731Sjhay */ 41790731Sjhaystatic void 41890731Sjhaypuc_intr(void *arg) 41990731Sjhay{ 42090731Sjhay int i; 421112270Ssobomax u_int32_t ilr_mask; 42290731Sjhay struct puc_softc *sc; 42390731Sjhay 42490731Sjhay sc = (struct puc_softc *)arg; 425112270Ssobomax ilr_mask = sc->ilr_enabled ? puc_ilr_read(sc) : 0xffffffff; 42690731Sjhay for (i = 0; i < PUC_MAX_PORTS; i++) 427112270Ssobomax if (sc->sc_ports[i].ihand != NULL && 428112270Ssobomax ((ilr_mask >> i) & 0x00000001)) 42990731Sjhay (sc->sc_ports[i].ihand)(sc->sc_ports[i].ihandarg); 43090731Sjhay} 43190731Sjhay 432102894Sphkstatic int 433102894Sphkpuc_find_free_unit(char *name) 43490731Sjhay{ 43590731Sjhay devclass_t dc; 43690731Sjhay int start; 43790731Sjhay int unit; 43890731Sjhay 43990731Sjhay unit = 0; 44090731Sjhay start = 0; 44190731Sjhay while (resource_int_value(name, unit, "port", &start) == 0 && 44290731Sjhay start > 0) 44390731Sjhay unit++; 44490731Sjhay dc = devclass_find(name); 44590731Sjhay if (dc == NULL) 44690731Sjhay return (-1); 44790731Sjhay while (devclass_get_device(dc, unit)) 44890731Sjhay unit++; 44990731Sjhay#ifdef PUC_DEBUG 45090731Sjhay printf("puc: Using %s%d\n", name, unit); 45190731Sjhay#endif 45290731Sjhay return (unit); 45390731Sjhay} 45490731Sjhay 45590731Sjhay#ifdef PUC_DEBUG 45690731Sjhaystatic void 45790731Sjhaypuc_print_resource_list(struct resource_list *rl) 45890731Sjhay{ 459102734Sphk#if 0 46090731Sjhay struct resource_list_entry *rle; 46190731Sjhay 46290731Sjhay printf("print_resource_list: rl %p\n", rl); 46390731Sjhay SLIST_FOREACH(rle, rl, link) 464119814Smarcel printf(" type %x, rid %x start %lx end %lx count %lx\n", 465102734Sphk rle->type, rle->rid, rle->start, rle->end, rle->count); 46690731Sjhay printf("print_resource_list: end.\n"); 467102734Sphk#endif 46890731Sjhay} 46990731Sjhay#endif 47090731Sjhay 471102714Sphkstruct resource * 47290731Sjhaypuc_alloc_resource(device_t dev, device_t child, int type, int *rid, 47390731Sjhay u_long start, u_long end, u_long count, u_int flags) 47490731Sjhay{ 47590731Sjhay struct puc_device *pdev; 47690731Sjhay struct resource *retval; 47790731Sjhay struct resource_list *rl; 47890731Sjhay struct resource_list_entry *rle; 479118292Sambrisko device_t my_child; 48090731Sjhay 481118292Sambrisko /* 482118292Sambrisko * in the case of a child of child we need to find our immediate child 483118292Sambrisko */ 484118292Sambrisko for (my_child = child; device_get_parent(my_child) != dev; 485118292Sambrisko my_child = device_get_parent(my_child)); 486118292Sambrisko 487118292Sambrisko pdev = device_get_ivars(my_child); 48890731Sjhay rl = &pdev->resources; 48990731Sjhay 49090731Sjhay#ifdef PUC_DEBUG 49190731Sjhay printf("puc_alloc_resource: pdev %p, looking for t %x, r %x\n", 49290731Sjhay pdev, type, *rid); 49390731Sjhay puc_print_resource_list(rl); 49490731Sjhay#endif 49590731Sjhay retval = NULL; 49690731Sjhay rle = resource_list_find(rl, type, *rid); 49790731Sjhay if (rle) { 49890731Sjhay#ifdef PUC_DEBUG 499119814Smarcel printf("found rle, %lx, %lx, %lx\n", rle->start, rle->end, 500119814Smarcel rle->count); 50190731Sjhay#endif 50290731Sjhay retval = rle->res; 503118292Sambrisko } 504118292Sambrisko#ifdef PUC_DEBUG 505118292Sambrisko else 50690731Sjhay printf("oops rle is gone\n"); 507118292Sambrisko#endif 50890731Sjhay 50990731Sjhay return (retval); 51090731Sjhay} 51190731Sjhay 512102714Sphkint 51390731Sjhaypuc_release_resource(device_t dev, device_t child, int type, int rid, 51490731Sjhay struct resource *res) 51590731Sjhay{ 51690731Sjhay return (0); 51790731Sjhay} 51890731Sjhay 519102714Sphkint 52090731Sjhaypuc_get_resource(device_t dev, device_t child, int type, int rid, 52190731Sjhay u_long *startp, u_long *countp) 52290731Sjhay{ 52390731Sjhay struct puc_device *pdev; 52490731Sjhay struct resource_list *rl; 52590731Sjhay struct resource_list_entry *rle; 52690731Sjhay 52790731Sjhay pdev = device_get_ivars(child); 52890731Sjhay rl = &pdev->resources; 52990731Sjhay 53090731Sjhay#ifdef PUC_DEBUG 53190731Sjhay printf("puc_get_resource: pdev %p, looking for t %x, r %x\n", pdev, 53290731Sjhay type, rid); 53390731Sjhay puc_print_resource_list(rl); 53490731Sjhay#endif 53590731Sjhay rle = resource_list_find(rl, type, rid); 53690731Sjhay if (rle) { 53790731Sjhay#ifdef PUC_DEBUG 53890731Sjhay printf("found rle %p,", rle); 53990731Sjhay#endif 54090731Sjhay if (startp != NULL) 54190731Sjhay *startp = rle->start; 54290731Sjhay if (countp != NULL) 54390731Sjhay *countp = rle->count; 54490731Sjhay#ifdef PUC_DEBUG 54590731Sjhay printf(" %lx, %lx\n", rle->start, rle->count); 54690731Sjhay#endif 54790731Sjhay return (0); 54890731Sjhay } else 54990731Sjhay printf("oops rle is gone\n"); 55090731Sjhay return (ENXIO); 55190731Sjhay} 55290731Sjhay 553102714Sphkint 55490731Sjhaypuc_setup_intr(device_t dev, device_t child, struct resource *r, int flags, 55590731Sjhay void (*ihand)(void *), void *arg, void **cookiep) 55690731Sjhay{ 55790731Sjhay int i; 55890731Sjhay struct puc_softc *sc; 55990731Sjhay 560102929Sphk sc = (struct puc_softc *)device_get_softc(dev); 561102931Sphk if ((flags & INTR_FAST) != sc->fastintr) 562102895Sphk return (ENXIO); 56390731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 56490731Sjhay if (sc->sc_ports[i].dev == child) { 56590731Sjhay if (sc->sc_ports[i].ihand != 0) 56690731Sjhay return (ENXIO); 56790731Sjhay sc->sc_ports[i].ihand = ihand; 56890731Sjhay sc->sc_ports[i].ihandarg = arg; 56990731Sjhay *cookiep = arg; 57090731Sjhay return (0); 57190731Sjhay } 57290731Sjhay } 57390731Sjhay return (ENXIO); 57490731Sjhay} 57590731Sjhay 576102714Sphkint 57790731Sjhaypuc_teardown_intr(device_t dev, device_t child, struct resource *r, 57890731Sjhay void *cookie) 57990731Sjhay{ 58090731Sjhay int i; 58190731Sjhay struct puc_softc *sc; 58290731Sjhay 58390731Sjhay sc = (struct puc_softc *)device_get_softc(dev); 58490731Sjhay for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) { 58590731Sjhay if (sc->sc_ports[i].dev == child) { 58690731Sjhay sc->sc_ports[i].ihand = NULL; 58790731Sjhay sc->sc_ports[i].ihandarg = NULL; 58890731Sjhay return (0); 58990731Sjhay } 59090731Sjhay } 59190731Sjhay return (ENXIO); 59290731Sjhay} 59390731Sjhay 594102714Sphkint 59590731Sjhaypuc_read_ivar(device_t dev, device_t child, int index, uintptr_t *result) 59690731Sjhay{ 59790731Sjhay struct puc_device *pdev; 59890731Sjhay 59990731Sjhay pdev = device_get_ivars(child); 60090731Sjhay if (pdev == NULL) 60190731Sjhay return (ENOENT); 60290731Sjhay 60390731Sjhay switch(index) { 60490731Sjhay case PUC_IVAR_FREQ: 60590731Sjhay *result = pdev->serialfreq; 60690731Sjhay break; 607120451Smarcel case PUC_IVAR_PORT: 608120451Smarcel *result = pdev->port; 609119814Smarcel break; 610119814Smarcel case PUC_IVAR_REGSHFT: 611119814Smarcel *result = pdev->regshft; 612119814Smarcel break; 613120451Smarcel case PUC_IVAR_SUBTYPE: 614120451Smarcel *result = pdev->subtype; 615120451Smarcel break; 61690731Sjhay default: 61790731Sjhay return (ENOENT); 61890731Sjhay } 61990731Sjhay return (0); 62090731Sjhay} 621