1139749Simp/*- 2133553Simp * Copyright (c) 2002-2004 M. Warner Losh. 3133553Simp * All rights reserved. 4133553Simp * 5133553Simp * Redistribution and use in source and binary forms, with or without 6133553Simp * modification, are permitted provided that the following conditions 7133553Simp * are met: 8133553Simp * 1. Redistributions of source code must retain the above copyright 9140035Simp * notice, this list of conditions and the following disclaimer. 10133553Simp * 2. Redistributions in binary form must reproduce the above copyright 11140035Simp * notice, this list of conditions and the following disclaimer in the 12140035Simp * documentation and/or other materials provided with the distribution. 13133553Simp * 14133553Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15133553Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16133553Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17140035Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18140035Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19133553Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20133553Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21133553Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22133553Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23133553Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24133553Simp * SUCH DAMAGE. 25133553Simp */ 26133553Simp 27133553Simp/* 28133553Simp * Driver for ISA to PCMCIA bridges compliant with the Intel ExCA 29133553Simp * specification. 30133553Simp */ 31133553Simp 32133553Simp#include <sys/cdefs.h> 33133553Simp__FBSDID("$FreeBSD$"); 34133553Simp 35133553Simp#include <sys/param.h> 36133553Simp#include <sys/systm.h> 37133553Simp#include <sys/proc.h> 38133553Simp#include <sys/condvar.h> 39133553Simp#include <sys/errno.h> 40133553Simp#include <sys/kernel.h> 41133553Simp#include <sys/lock.h> 42133553Simp#include <sys/malloc.h> 43133553Simp#include <sys/module.h> 44133553Simp#include <sys/mutex.h> 45133553Simp#include <sys/sysctl.h> 46133553Simp#include <sys/kthread.h> 47133553Simp#include <sys/bus.h> 48133553Simp#include <machine/bus.h> 49133553Simp#include <sys/rman.h> 50133553Simp#include <machine/resource.h> 51133553Simp 52133553Simp#include <isa/isavar.h> 53133553Simp 54133553Simp#include <dev/pccard/pccardreg.h> 55133553Simp#include <dev/pccard/pccardvar.h> 56133553Simp 57133553Simp#include <dev/exca/excareg.h> 58133553Simp#include <dev/exca/excavar.h> 59133553Simp 60133553Simp#include <dev/pccbb/pccbbreg.h> 61133553Simp#include <dev/pccbb/pccbbvar.h> 62133553Simp 63133553Simp#include "power_if.h" 64133553Simp#include "card_if.h" 65133553Simp 66133553Simp/***************************************************************************** 67133553Simp * Configurable parameters. 68133553Simp *****************************************************************************/ 69133553Simp 70133553Simp/* sysctl vars */ 71248085Smariusstatic SYSCTL_NODE(_hw, OID_AUTO, pcic, CTLFLAG_RD, 0, "PCIC parameters"); 72133553Simp 73133553Simpstatic int isa_intr_mask = EXCA_INT_MASK_ALLOWED; 74133553SimpTUNABLE_INT("hw.cbb.intr_mask", &isa_intr_mask); 75133553SimpSYSCTL_INT(_hw_pcic, OID_AUTO, intr_mask, CTLFLAG_RD, &isa_intr_mask, 0, 76133553Simp "Mask of allowable interrupts for this laptop. The default is generally\n\ 77133553Simpcorrect, but some laptops do not route all the IRQ pins to the bridge to\n\ 78133553Simpsave wires. Sometimes you need a more restrictive mask because some of the\n\ 79133553Simphardware in your laptop may not have a driver so its IRQ might not be\n\ 80133553Simpallocated."); 81133553Simp 82151308Simp/* 83151308Simp * CL-PD6722's VSENSE method 84151308Simp * 0: NO VSENSE (assume a 5.0V card always) 85151308Simp * 1: 6710's method (default) 86151308Simp * 2: 6729's method 87151308Simp */ 88151308Simpint pcic_pd6722_vsense = 1; 89151308SimpTUNABLE_INT("hw.pcic.pd6722_vsense", &pcic_pd6722_vsense); 90151308SimpSYSCTL_INT(_hw_pcic, OID_AUTO, pd6722_vsense, CTLFLAG_RDTUN, 91151308Simp &pcic_pd6722_vsense, 1, 92151308Simp "Select CL-PD6722's VSENSE method. VSENSE is used to determine the\n\ 93151308Simpvolatage of inserted cards. The CL-PD6722 has two methods to determine the\n\ 94151308Simpvoltage of the card. 0 means assume a 5.0V card and do not check. 1 means\n\ 95151308Simpuse the same method that the CL-PD6710 uses (default). 2 means use the\n\ 96151308Simpsame method as the CL-PD6729. 2 is documented in the datasheet as being\n\ 97151308Simpthe correct way, but 1 seems to give better results on more laptops."); 98151308Simp 99133553Simp/***************************************************************************** 100133553Simp * End of configurable parameters. 101133553Simp *****************************************************************************/ 102133553Simp 103133553Simp#define DPRINTF(x) do { if (cbb_debug) printf x; } while (0) 104133553Simp#define DEVPRINTF(x) do { if (cbb_debug) device_printf x; } while (0) 105133553Simp 106151308Simp/* XXX Not sure that PNP0E03 should be claimed, except maybe on pc98 */ 107133553Simpstatic struct isa_pnp_id pcic_ids[] = { 108133553Simp {EXCA_PNP_ACTIONTEC, NULL}, /* AEI0218 */ 109133553Simp {EXCA_PNP_IBM3765, NULL}, /* IBM3765 */ 110133553Simp {EXCA_PNP_82365, NULL}, /* PNP0E00 */ 111133553Simp {EXCA_PNP_CL_PD6720, NULL}, /* PNP0E01 */ 112133553Simp {EXCA_PNP_VLSI_82C146, NULL}, /* PNP0E02 */ 113133553Simp {EXCA_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */ 114133553Simp {EXCA_PNP_SCM_SWAPBOX, NULL}, /* SCM0469 */ 115151308Simp {EXCA_NEC_PC9801_102, NULL}, /* NEC8091 */ 116151308Simp {EXCA_NEC_PC9821RA_E01, NULL}, /* NEC8121 */ 117133553Simp {0} 118133553Simp}; 119133553Simp 120133553Simp/************************************************************************/ 121133553Simp/* Probe/Attach */ 122133553Simp/************************************************************************/ 123133553Simp 124151308Simpstatic int 125151308Simpcbb_isa_activate(device_t dev) 126151308Simp{ 127151308Simp struct cbb_softc *sc = device_get_softc(dev); 128133553Simp struct resource *res; 129133553Simp int rid; 130133553Simp int i; 131133553Simp 132133553Simp /* A little bogus, but go ahead and get the irq for CSC events */ 133133553Simp rid = 0; 134133553Simp res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 135133553Simp if (res == NULL) { 136133553Simp /* 137133553Simp * No IRQ specified, find one. This can be due to the PnP 138133553Simp * data not specifying any IRQ, or the default kernel not 139133553Simp * assinging an IRQ. 140133553Simp */ 141151308Simp for (i = 0; i < 16 && res == NULL; i++) { 142133553Simp if (((1 << i) & isa_intr_mask) == 0) 143133553Simp continue; 144133553Simp res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, i, i, 145133553Simp 1, RF_ACTIVE); 146133553Simp } 147133553Simp } 148151308Simp if (res == NULL) 149151308Simp return (ENXIO); 150151308Simp sc->irq_res = res; 151151308Simp rid = 0; 152151308Simp res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 153133553Simp if (res == NULL) { 154151308Simp bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res); 155151308Simp sc->irq_res = NULL; 156151308Simp device_printf(dev, "Cannot allocate I/O\n"); 157133553Simp return (ENOMEM); 158133553Simp } 159151457Simp sc->bst = rman_get_bustag(res); 160151457Simp sc->bsh = rman_get_bushandle(res); 161151308Simp sc->base_res = res; 162151308Simp return (0); 163133553Simp} 164133553Simp 165133553Simpstatic void 166133553Simpcbb_isa_deactivate(device_t dev) 167133553Simp{ 168151308Simp struct cbb_softc *sc = device_get_softc(dev); 169151308Simp 170151308Simp if (sc->irq_res) 171151308Simp bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res); 172151308Simp sc->irq_res = NULL; 173151308Simp if (sc->base_res) 174151308Simp bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->base_res); 175151308Simp sc->base_res = NULL; 176133553Simp} 177133553Simp 178133553Simpstatic int 179133553Simpcbb_isa_probe(device_t dev) 180133553Simp{ 181133553Simp int error; 182133553Simp struct cbb_softc *sc = device_get_softc(dev); 183133553Simp 184133553Simp /* Check isapnp ids */ 185133553Simp error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids); 186133553Simp if (error != 0 && error != ENOENT) 187133553Simp return (error); 188133553Simp 189133553Simp error = cbb_isa_activate(dev); 190133553Simp if (error != 0) 191133553Simp return (error); 192133553Simp 193133553Simp /* Check to make sure that we have actual hardware */ 194133553Simp error = exca_probe_slots(dev, &sc->exca[0], sc->bst, sc->bsh); 195133553Simp cbb_isa_deactivate(dev); 196133553Simp return (error); 197133553Simp} 198133553Simp 199133553Simpstatic int 200133553Simpcbb_isa_attach(device_t dev) 201133553Simp{ 202133553Simp return (ENOMEM); 203133553Simp} 204133553Simp 205133553Simpstatic device_method_t cbb_methods[] = { 206133553Simp /* Device interface */ 207133553Simp DEVMETHOD(device_probe, cbb_isa_probe), 208133553Simp DEVMETHOD(device_attach, cbb_isa_attach), 209133553Simp DEVMETHOD(device_detach, cbb_detach), 210133553Simp DEVMETHOD(device_suspend, cbb_suspend), 211133553Simp DEVMETHOD(device_resume, cbb_resume), 212133553Simp 213133553Simp /* bus methods */ 214133553Simp DEVMETHOD(bus_read_ivar, cbb_read_ivar), 215133553Simp DEVMETHOD(bus_write_ivar, cbb_write_ivar), 216133553Simp DEVMETHOD(bus_alloc_resource, cbb_alloc_resource), 217133553Simp DEVMETHOD(bus_release_resource, cbb_release_resource), 218133553Simp DEVMETHOD(bus_activate_resource, cbb_activate_resource), 219133553Simp DEVMETHOD(bus_deactivate_resource, cbb_deactivate_resource), 220133553Simp DEVMETHOD(bus_driver_added, cbb_driver_added), 221133553Simp DEVMETHOD(bus_child_detached, cbb_child_detached), 222133553Simp DEVMETHOD(bus_setup_intr, cbb_setup_intr), 223133553Simp DEVMETHOD(bus_teardown_intr, cbb_teardown_intr), 224133553Simp DEVMETHOD(bus_child_present, cbb_child_present), 225133553Simp 226133553Simp /* 16-bit card interface */ 227133553Simp DEVMETHOD(card_set_res_flags, cbb_pcic_set_res_flags), 228133553Simp DEVMETHOD(card_set_memory_offset, cbb_pcic_set_memory_offset), 229133553Simp 230133553Simp /* power interface */ 231133553Simp DEVMETHOD(power_enable_socket, cbb_power_enable_socket), 232133553Simp DEVMETHOD(power_disable_socket, cbb_power_disable_socket), 233133553Simp 234229093Shselasky DEVMETHOD_END 235133553Simp}; 236133553Simp 237133553Simpstatic driver_t cbb_isa_driver = { 238133553Simp "cbb", 239133553Simp cbb_methods, 240133553Simp sizeof(struct cbb_softc) 241133553Simp}; 242133553Simp 243133553SimpDRIVER_MODULE(cbb, isa, cbb_isa_driver, cbb_devclass, 0, 0); 244133553SimpMODULE_DEPEND(cbb, exca, 1, 1, 1); 245