mirror of
https://git.FreeBSD.org/src.git
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1794 lines
52 KiB
C
1794 lines
52 KiB
C
/*
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* Copyright (c) 2000,2001 Jonathan Chen.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Driver for PCI to Cardbus Bridge chips
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*
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* References:
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* TI Datasheets:
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* http://www-s.ti.com/cgi-bin/sc/generic2.cgi?family=PCI+CARDBUS+CONTROLLERS
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*
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* Written by Jonathan Chen <jon@freebsd.org>
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* The author would like to acknowledge:
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* * HAYAKAWA Koichi: Author of the NetBSD code for the same thing
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* * Warner Losh: Newbus/newcard guru and author of the pccard side of things
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* * YAMAMOTO Shigeru: Author of another FreeBSD cardbus driver
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* * David Cross: Author of the initial ugly hack for a specific cardbus card
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/kthread.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/mutex.h>
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#include <sys/sysctl.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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#include <machine/clock.h>
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#include <dev/pccard/pccardreg.h>
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#include <dev/pccard/pccardvar.h>
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#include <dev/exca/excareg.h>
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#include <dev/exca/excavar.h>
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#include <dev/pccbb/pccbbreg.h>
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#include <dev/pccbb/pccbbvar.h>
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#include "power_if.h"
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#include "card_if.h"
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#include "pcib_if.h"
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#if defined CBB_DEBUG
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#define DPRINTF(x) printf x
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#define DEVPRINTF(x) device_printf x
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#else
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#define DPRINTF(x)
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#define DEVPRINTF(x)
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#endif
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#define PCI_MASK_CONFIG(DEV,REG,MASK,SIZE) \
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pci_write_config(DEV, REG, pci_read_config(DEV, REG, SIZE) MASK, SIZE)
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#define PCI_MASK2_CONFIG(DEV,REG,MASK1,MASK2,SIZE) \
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pci_write_config(DEV, REG, ( \
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pci_read_config(DEV, REG, SIZE) MASK1) MASK2, SIZE)
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#define PCCBB_START_MEM 0x84000000
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#define PCCBB_START_IO 0x1000
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struct pccbb_sclist {
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struct pccbb_softc *sc;
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STAILQ_ENTRY(pccbb_sclist) entries;
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};
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static STAILQ_HEAD(, pccbb_sclist) softcs;
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static int softcs_init = 0;
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struct yenta_chipinfo {
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uint32_t yc_id;
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const char *yc_name;
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int yc_chiptype;
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int yc_flags;
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} yc_chipsets[] = {
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/* Texas Instruments chips */
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{PCI_DEVICE_ID_PCIC_TI1031, "TI1031 PCI-PCCard Bridge", CB_TI113X, 0},
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{PCI_DEVICE_ID_PCIC_TI1130, "TI1130 PCI-CardBus Bridge", CB_TI113X, 0},
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{PCI_DEVICE_ID_PCIC_TI1131, "TI1131 PCI-CardBus Bridge", CB_TI113X, 0},
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{PCI_DEVICE_ID_PCIC_TI1210, "TI1210 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1211, "TI1211 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1220, "TI1220 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1221, "TI1221 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1225, "TI1225 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1250, "TI1250 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1251, "TI1251 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1251B,"TI1251B PCI-CardBus Bridge",CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1260, "TI1260 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1260B, "TI1260B PCI-CardBus Bridge", CB_TI12XX,
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0},
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{PCI_DEVICE_ID_PCIC_TI1410, "TI1410 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1420, "TI1420 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1421, "TI1421 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1450, "TI1450 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI1451, "TI1451 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI4410, "TI4410 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI4450, "TI4450 PCI-CardBus Bridge", CB_TI12XX, 0},
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{PCI_DEVICE_ID_PCIC_TI4451, "TI4451 PCI-CardBus Bridge", CB_TI12XX, 0},
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/* Ricoh chips */
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{PCI_DEVICE_ID_RICOH_RL5C465, "RF5C465 PCI-CardBus Bridge",
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CB_RF5C46X, 0},
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{PCI_DEVICE_ID_RICOH_RL5C466, "RF5C466 PCI-CardBus Bridge",
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CB_RF5C46X, 0},
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{PCI_DEVICE_ID_RICOH_RL5C475, "RF5C475 PCI-CardBus Bridge",
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CB_RF5C47X, 0},
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{PCI_DEVICE_ID_RICOH_RL5C476, "RF5C476 PCI-CardBus Bridge",
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CB_RF5C47X, 0},
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{PCI_DEVICE_ID_RICOH_RL5C478, "RF5C478 PCI-CardBus Bridge",
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CB_RF5C47X, 0},
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/* Toshiba products */
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{PCI_DEVICE_ID_TOSHIBA_TOPIC95, "ToPIC95 PCI-CardBus Bridge",
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CB_TOPIC95, 0},
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{PCI_DEVICE_ID_TOSHIBA_TOPIC95B, "ToPIC95B PCI-CardBus Bridge",
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CB_TOPIC95B, 0},
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{PCI_DEVICE_ID_TOSHIBA_TOPIC97, "ToPIC97 PCI-CardBus Bridge",
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CB_TOPIC97, 0},
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{PCI_DEVICE_ID_TOSHIBA_TOPIC100, "ToPIC100 PCI-CardBus Bridge",
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CB_TOPIC97, 0},
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/* Cirrus Logic */
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{PCI_DEVICE_ID_PCIC_CLPD6832, "CLPD6832 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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{PCI_DEVICE_ID_PCIC_CLPD6833, "CLPD6833 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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{PCI_DEVICE_ID_PCIC_CLPD6834, "CLPD6834 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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/* 02Micro */
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{PCI_DEVICE_ID_PCIC_OZ6832, "O2Mirco OZ6832/6833 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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{PCI_DEVICE_ID_PCIC_OZ6860, "O2Mirco OZ6836/6860 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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{PCI_DEVICE_ID_PCIC_OZ6872, "O2Mirco OZ6812/6872 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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{PCI_DEVICE_ID_PCIC_OZ6912, "O2Mirco OZ6912/6972 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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{PCI_DEVICE_ID_PCIC_OZ6922, "O2Mirco OZ6822 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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{PCI_DEVICE_ID_PCIC_OZ6933, "O2Mirco OZ6833 PCI-CardBus Bridge",
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CB_CIRRUS, 0},
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/* sentinel */
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{0 /* null id */, "unknown",
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CB_UNKNOWN, 0},
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};
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/* sysctl vars */
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SYSCTL_NODE(_hw, OID_AUTO, pccbb, CTLFLAG_RD, 0, "PCCBB parameters");
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/* There's no way to say TUNEABLE_LONG to get the right types */
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u_long pccbb_start_mem = PCCBB_START_MEM;
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TUNABLE_INT("hw.pccbb.start_memory", (int *)&pccbb_start_mem);
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SYSCTL_ULONG(_hw_pccbb, OID_AUTO, start_mem, CTLFLAG_RD,
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&pccbb_start_mem, PCCBB_START_MEM,
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"Starting address for memory allocations");
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static int pccbb_chipset(uint32_t pci_id, const char **namep, int *flagp);
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static int pccbb_probe(device_t brdev);
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static void pccbb_chipinit(struct pccbb_softc *sc);
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static int pccbb_attach(device_t brdev);
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static int pccbb_detach(device_t brdev);
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static int pccbb_shutdown(device_t brdev);
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static void pccbb_driver_added(device_t brdev, driver_t *driver);
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static void pccbb_child_detached(device_t brdev, device_t child);
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static int pccbb_card_reprobe(device_t brdev, device_t busdev);
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static void pccbb_event_thread(void *arg);
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static void pccbb_create_event_thread(struct pccbb_softc *sc);
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static void pccbb_start_threads(void *arg);
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static void pccbb_insert(struct pccbb_softc *sc);
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static void pccbb_removal(struct pccbb_softc *sc);
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static void pccbb_intr(void *arg);
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static int pccbb_detect_voltage(device_t brdev);
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static int pccbb_power(device_t brdev, int volts);
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static void pccbb_cardbus_reset(device_t brdev);
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static int pccbb_cardbus_power_enable_socket(device_t brdev,
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device_t child);
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static void pccbb_cardbus_power_disable_socket(device_t brdev,
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device_t child);
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static int pccbb_cardbus_io_open(device_t brdev, int win, uint32_t start,
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uint32_t end);
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static int pccbb_cardbus_mem_open(device_t brdev, int win,
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uint32_t start, uint32_t end);
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static void pccbb_cardbus_auto_open(struct pccbb_softc *sc, int type);
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static int pccbb_cardbus_activate_resource(device_t brdev, device_t child,
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int type, int rid, struct resource *res);
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static int pccbb_cardbus_deactivate_resource(device_t brdev,
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device_t child, int type, int rid, struct resource *res);
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static struct resource *pccbb_cardbus_alloc_resource(device_t brdev,
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device_t child, int type, int *rid, u_long start,
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u_long end, u_long count, uint flags);
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static int pccbb_cardbus_release_resource(device_t brdev, device_t child,
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int type, int rid, struct resource *res);
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static int pccbb_power_enable_socket(device_t brdev, device_t child);
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static void pccbb_power_disable_socket(device_t brdev, device_t child);
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static int pccbb_activate_resource(device_t brdev, device_t child,
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int type, int rid, struct resource *r);
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static int pccbb_deactivate_resource(device_t brdev, device_t child,
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int type, int rid, struct resource *r);
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static struct resource *pccbb_alloc_resource(device_t brdev, device_t child,
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int type, int *rid, u_long start, u_long end, u_long count,
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uint flags);
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static int pccbb_release_resource(device_t brdev, device_t child,
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int type, int rid, struct resource *r);
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static int pccbb_read_ivar(device_t brdev, device_t child, int which,
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uintptr_t *result);
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static int pccbb_write_ivar(device_t brdev, device_t child, int which,
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uintptr_t value);
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static int pccbb_maxslots(device_t brdev);
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static uint32_t pccbb_read_config(device_t brdev, int b, int s, int f,
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int reg, int width);
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static void pccbb_write_config(device_t brdev, int b, int s, int f,
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int reg, uint32_t val, int width);
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/*
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*/
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static __inline void
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pccbb_set(struct pccbb_softc *sc, uint32_t reg, uint32_t val)
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{
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bus_space_write_4(sc->sc_bst, sc->sc_bsh, reg, val);
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}
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static __inline uint32_t
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pccbb_get(struct pccbb_softc *sc, uint32_t reg)
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{
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return (bus_space_read_4(sc->sc_bst, sc->sc_bsh, reg));
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}
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static __inline void
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pccbb_setb(struct pccbb_softc *sc, uint32_t reg, uint32_t bits)
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{
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pccbb_set(sc, reg, pccbb_get(sc, reg) | bits);
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}
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static __inline void
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pccbb_clrb(struct pccbb_softc *sc, uint32_t reg, uint32_t bits)
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{
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pccbb_set(sc, reg, pccbb_get(sc, reg) & ~bits);
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}
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static __inline uint8_t
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pccbb_pcic_read(struct exca_softc *sc, int reg)
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{
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return (bus_space_read_1(sc->bst, sc->bsh, sc->offset + reg));
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}
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static __inline void
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pccbb_pcic_write(struct exca_softc *sc, int reg, uint8_t val)
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{
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return (bus_space_write_1(sc->bst, sc->bsh, sc->offset + reg, val));
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}
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static void
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pccbb_remove_res(struct pccbb_softc *sc, struct resource *res)
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{
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struct pccbb_reslist *rle;
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SLIST_FOREACH(rle, &sc->rl, link) {
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if (rle->res == res) {
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SLIST_REMOVE(&sc->rl, rle, pccbb_reslist, link);
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free(rle, M_DEVBUF);
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return;
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}
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}
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}
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static struct resource *
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pccbb_find_res(struct pccbb_softc *sc, int type, int rid)
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{
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struct pccbb_reslist *rle;
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SLIST_FOREACH(rle, &sc->rl, link)
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if (SYS_RES_MEMORY == rle->type && rid == rle->rid)
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return (rle->res);
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return (NULL);
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}
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static void
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pccbb_insert_res(struct pccbb_softc *sc, struct resource *res, int type,
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int rid)
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{
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struct pccbb_reslist *rle;
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/*
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* Need to record allocated resource so we can iterate through
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* it later.
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*/
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rle = malloc(sizeof(struct pccbb_reslist), M_DEVBUF, M_NOWAIT);
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if (!res)
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panic("pccbb_cardbus_alloc_resource: can't record entry!");
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rle->res = res;
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rle->type = type;
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rle->rid = rid;
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SLIST_INSERT_HEAD(&sc->rl, rle, link);
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}
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static void
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pccbb_destroy_res(struct pccbb_softc *sc)
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{
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struct pccbb_reslist *rle;
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while ((rle = SLIST_FIRST(&sc->rl)) != NULL) {
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device_printf(sc->sc_dev, "Danger Will Robinson: Resource "
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"left allocated! This is a bug... "
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"(rid=%x, type=%d, addr=%lx)\n", rle->rid, rle->type,
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rman_get_start(rle->res));
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SLIST_REMOVE_HEAD(&sc->rl, link);
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free(rle, M_DEVBUF);
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}
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}
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/************************************************************************/
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/* Probe/Attach */
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/************************************************************************/
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static int
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pccbb_chipset(uint32_t pci_id, const char **namep, int *flagp)
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{
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int loopend = sizeof(yc_chipsets)/sizeof(yc_chipsets[0]);
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struct yenta_chipinfo *ycp, *ycend;
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ycend = yc_chipsets + loopend;
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for (ycp = yc_chipsets; ycp < ycend && pci_id != ycp->yc_id; ++ycp)
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continue;
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if (ycp == ycend)
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/* not found */
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ycp = yc_chipsets + loopend - 1; /* to point the sentinel */
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if (namep != NULL)
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*namep = ycp->yc_name;
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if (flagp != NULL)
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*flagp = ycp->yc_flags;
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return (ycp->yc_chiptype);
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}
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static int
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pccbb_probe(device_t brdev)
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{
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const char *name;
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if (pccbb_chipset(pci_get_devid(brdev), &name, NULL) == CB_UNKNOWN)
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return (ENXIO);
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device_set_desc(brdev, name);
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return (0);
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}
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static void
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pccbb_chipinit(struct pccbb_softc *sc)
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{
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/* Set CardBus latency timer */
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if (pci_read_config(sc->sc_dev, PCIR_SECLAT_1, 1) < 0x20)
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pci_write_config(sc->sc_dev, PCIR_SECLAT_1, 0x20, 1);
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/* Set PCI latency timer */
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if (pci_read_config(sc->sc_dev, PCIR_LATTIMER, 1) < 0x20)
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pci_write_config(sc->sc_dev, PCIR_LATTIMER, 0x20, 1);
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/* Enable memory access */
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PCI_MASK_CONFIG(sc->sc_dev, PCIR_COMMAND,
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| PCIM_CMD_MEMEN
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| PCIM_CMD_PORTEN
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| PCIM_CMD_BUSMASTEREN, 2);
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/* disable Legacy IO */
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switch (sc->sc_chipset) {
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case CB_RF5C46X:
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PCI_MASK_CONFIG(sc->sc_dev, PCCBBR_BRIDGECTRL,
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& ~(PCCBBM_BRIDGECTRL_RL_3E0_EN |
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PCCBBM_BRIDGECTRL_RL_3E2_EN), 2);
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break;
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default:
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pci_write_config(sc->sc_dev, PCCBBR_LEGACY, 0x0, 4);
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break;
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|
}
|
|
|
|
/* Use PCI interrupt for interrupt routing */
|
|
PCI_MASK2_CONFIG(sc->sc_dev, PCCBBR_BRIDGECTRL,
|
|
& ~(PCCBBM_BRIDGECTRL_MASTER_ABORT |
|
|
PCCBBM_BRIDGECTRL_INTR_IREQ_EN),
|
|
| PCCBBM_BRIDGECTRL_WRITE_POST_EN,
|
|
2);
|
|
|
|
/* XXX this should be a function table, ala OLDCARD. */
|
|
switch (sc->sc_chipset) {
|
|
case CB_TI113X:
|
|
/*
|
|
* The TI 1031, TI 1130 and TI 1131 all require another bit
|
|
* be set to enable PCI routing of interrupts, and then
|
|
* a bit for each of the CSC and Function interrupts we
|
|
* want routed.
|
|
*/
|
|
PCI_MASK_CONFIG(sc->sc_dev, PCCBBR_CBCTRL,
|
|
| PCCBBM_CBCTRL_113X_PCI_INTR |
|
|
PCCBBM_CBCTRL_113X_PCI_CSC | PCCBBM_CBCTRL_113X_PCI_IRQ_EN,
|
|
1);
|
|
PCI_MASK_CONFIG(sc->sc_dev, PCCBBR_DEVCTRL,
|
|
& ~(PCCBBM_DEVCTRL_INT_SERIAL |
|
|
PCCBBM_DEVCTRL_INT_PCI), 1);
|
|
exca_write(&sc->exca, EXCA_INTR, EXCA_INTR_ENABLE);
|
|
exca_write(&sc->exca, EXCA_CSC_INTR, 0);
|
|
break;
|
|
case CB_TI12XX:
|
|
exca_write(&sc->exca, EXCA_INTR, EXCA_INTR_ENABLE);
|
|
exca_write(&sc->exca, EXCA_CSC_INTR, 0);
|
|
break;
|
|
case CB_TOPIC95B:
|
|
PCI_MASK_CONFIG(sc->sc_dev, PCCBBR_TOPIC_SOCKETCTRL,
|
|
| PCCBBM_TOPIC_SOCKETCTRL_SCR_IRQSEL, 4);
|
|
PCI_MASK2_CONFIG(sc->sc_dev, PCCBBR_TOPIC_SLOTCTRL,
|
|
| PCCBBM_TOPIC_SLOTCTRL_SLOTON |
|
|
PCCBBM_TOPIC_SLOTCTRL_SLOTEN |
|
|
PCCBBM_TOPIC_SLOTCTRL_ID_LOCK |
|
|
PCCBBM_TOPIC_SLOTCTRL_CARDBUS,
|
|
& ~PCCBBM_TOPIC_SLOTCTRL_SWDETECT, 4);
|
|
break;
|
|
}
|
|
|
|
/* close all memory and io windows */
|
|
pci_write_config(sc->sc_dev, PCCBBR_MEMBASE0, 0xffffffff, 4);
|
|
pci_write_config(sc->sc_dev, PCCBBR_MEMLIMIT0, 0, 4);
|
|
pci_write_config(sc->sc_dev, PCCBBR_MEMBASE1, 0xffffffff, 4);
|
|
pci_write_config(sc->sc_dev, PCCBBR_MEMLIMIT1, 0, 4);
|
|
pci_write_config(sc->sc_dev, PCCBBR_IOBASE0, 0xffffffff, 4);
|
|
pci_write_config(sc->sc_dev, PCCBBR_IOLIMIT0, 0, 4);
|
|
pci_write_config(sc->sc_dev, PCCBBR_IOBASE1, 0xffffffff, 4);
|
|
pci_write_config(sc->sc_dev, PCCBBR_IOLIMIT1, 0, 4);
|
|
}
|
|
|
|
static int
|
|
pccbb_attach(device_t brdev)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)device_get_softc(brdev);
|
|
int rid;
|
|
uint32_t sockbase;
|
|
struct pccbb_sclist *sclist;
|
|
|
|
if (!softcs_init) {
|
|
softcs_init = 1;
|
|
STAILQ_INIT(&softcs);
|
|
}
|
|
mtx_init(&sc->sc_mtx, device_get_nameunit(brdev), MTX_DEF);
|
|
sc->sc_chipset = pccbb_chipset(pci_get_devid(brdev), NULL, &sc->sc_flags);
|
|
sc->sc_dev = brdev;
|
|
sc->sc_cbdev = NULL;
|
|
sc->sc_pccarddev = NULL;
|
|
sc->sc_secbus = pci_read_config(brdev, PCIR_SECBUS_2, 1);
|
|
sc->sc_subbus = pci_read_config(brdev, PCIR_SUBBUS_2, 1);
|
|
SLIST_INIT(&sc->rl);
|
|
|
|
/*
|
|
* The PCI bus code should assign us memory in the absense
|
|
* of the BIOS doing so. However, 'should' isn't 'is,' so we hack
|
|
* up something here until the PCI code is up to snuff.
|
|
*/
|
|
rid = PCCBBR_SOCKBASE;
|
|
sc->sc_base_res = bus_alloc_resource(brdev, SYS_RES_MEMORY, &rid,
|
|
0, ~0, 1, RF_ACTIVE);
|
|
if (!sc->sc_base_res) {
|
|
/*
|
|
* XXX EVILE HACK BAD THING! XXX
|
|
* The pci bus device should do this for us.
|
|
* Some BIOSes doesn't assign a memory space properly.
|
|
* So we try to manually put one in...
|
|
*/
|
|
sockbase = pci_read_config(brdev, rid, 4);
|
|
if (sockbase < 0x100000 || sockbase >= 0xfffffff0) {
|
|
pci_write_config(brdev, rid, 0xffffffff, 4);
|
|
sockbase = pci_read_config(brdev, rid, 4);
|
|
sockbase = (sockbase & 0xfffffff0) &
|
|
-(sockbase & 0xfffffff0);
|
|
sc->sc_base_res = bus_generic_alloc_resource(
|
|
device_get_parent(brdev), brdev, SYS_RES_MEMORY,
|
|
&rid, pccbb_start_mem, ~0, sockbase,
|
|
RF_ACTIVE|rman_make_alignment_flags(sockbase));
|
|
if (!sc->sc_base_res){
|
|
device_printf(brdev,
|
|
"Could not grab register memory\n");
|
|
mtx_destroy(&sc->sc_mtx);
|
|
return (ENOMEM);
|
|
}
|
|
pci_write_config(brdev, PCCBBR_SOCKBASE,
|
|
rman_get_start(sc->sc_base_res), 4);
|
|
DEVPRINTF((brdev, "PCI Memory allocated: %08lx\n",
|
|
rman_get_start(sc->sc_base_res)));
|
|
} else {
|
|
device_printf(brdev, "Could not map register memory\n");
|
|
mtx_destroy(&sc->sc_mtx);
|
|
return (ENOMEM);
|
|
}
|
|
}
|
|
|
|
sc->sc_bst = rman_get_bustag(sc->sc_base_res);
|
|
sc->sc_bsh = rman_get_bushandle(sc->sc_base_res);
|
|
exca_init(&sc->exca, brdev, &pccbb_pcic_write, &pccbb_pcic_read,
|
|
sc->sc_bst, sc->sc_bsh, 0x800);
|
|
pccbb_chipinit(sc);
|
|
|
|
/* CSC Interrupt: Card detect interrupt on */
|
|
pccbb_setb(sc, PCCBB_SOCKET_MASK, PCCBB_SOCKET_MASK_CD);
|
|
|
|
/* reset interrupt */
|
|
pccbb_set(sc, PCCBB_SOCKET_EVENT, pccbb_get(sc, PCCBB_SOCKET_EVENT));
|
|
|
|
/* Map and establish the interrupt. */
|
|
rid = 0;
|
|
sc->sc_irq_res = bus_alloc_resource(brdev, SYS_RES_IRQ, &rid, 0, ~0, 1,
|
|
RF_SHAREABLE | RF_ACTIVE);
|
|
if (sc->sc_irq_res == NULL) {
|
|
printf("pccbb: Unable to map IRQ...\n");
|
|
bus_release_resource(brdev, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
|
|
sc->sc_base_res);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/* XXX INTR_TYPE_BIO IS WRONG here */
|
|
if (bus_setup_intr(brdev, sc->sc_irq_res, INTR_TYPE_BIO, pccbb_intr, sc,
|
|
&sc->sc_intrhand)) {
|
|
device_printf(brdev, "couldn't establish interrupt");
|
|
bus_release_resource(brdev, SYS_RES_IRQ, 0, sc->sc_irq_res);
|
|
bus_release_resource(brdev, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
|
|
sc->sc_base_res);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/* attach children */
|
|
sc->sc_cbdev = device_add_child(brdev, "cardbus", -1);
|
|
if (sc->sc_cbdev == NULL)
|
|
DEVPRINTF((brdev, "WARNING: cannot add cardbus bus.\n"));
|
|
else if (device_probe_and_attach(sc->sc_cbdev) != 0) {
|
|
DEVPRINTF((brdev, "WARNING: cannot attach cardbus bus!\n"));
|
|
sc->sc_cbdev = NULL;
|
|
}
|
|
|
|
sc->sc_pccarddev = device_add_child(brdev, "pccard", -1);
|
|
if (sc->sc_pccarddev == NULL)
|
|
DEVPRINTF((brdev, "WARNING: cannot add pccard bus.\n"));
|
|
else if (device_probe_and_attach(sc->sc_pccarddev) != 0) {
|
|
DEVPRINTF((brdev, "WARNING: cannot attach pccard bus.\n"));
|
|
sc->sc_pccarddev = NULL;
|
|
}
|
|
|
|
sclist = malloc(sizeof(struct pccbb_sclist), M_DEVBUF, M_WAITOK);
|
|
sclist->sc = sc;
|
|
STAILQ_INSERT_TAIL(&softcs, sclist, entries);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pccbb_detach(device_t brdev)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int numdevs;
|
|
device_t *devlist;
|
|
int tmp;
|
|
int error;
|
|
|
|
device_get_children(brdev, &devlist, &numdevs);
|
|
|
|
error = 0;
|
|
for (tmp = 0; tmp < numdevs; tmp++) {
|
|
if (device_detach(devlist[tmp]) == 0)
|
|
device_delete_child(brdev, devlist[tmp]);
|
|
else
|
|
error++;
|
|
}
|
|
free(devlist, M_TEMP);
|
|
if (error > 0)
|
|
return (ENXIO);
|
|
|
|
mtx_lock(&sc->sc_mtx);
|
|
bus_teardown_intr(brdev, sc->sc_irq_res, sc->sc_intrhand);
|
|
|
|
sc->sc_flags |= PCCBB_KTHREAD_DONE;
|
|
if (sc->sc_flags & PCCBB_KTHREAD_RUNNING) {
|
|
wakeup(sc);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
DEVPRINTF((brdev, "waiting for kthread exit..."));
|
|
error = tsleep(sc, PWAIT, "pccbb-detach-wait", 60 * hz);
|
|
if (error)
|
|
DPRINTF(("timeout\n"));
|
|
else
|
|
DPRINTF(("done\n"));
|
|
} else {
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
|
|
bus_release_resource(brdev, SYS_RES_IRQ, 0, sc->sc_irq_res);
|
|
bus_release_resource(brdev, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
|
|
sc->sc_base_res);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pccbb_shutdown(device_t brdev)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)device_get_softc(brdev);
|
|
/* properly reset everything at shutdown */
|
|
|
|
PCI_MASK_CONFIG(brdev, PCCBBR_BRIDGECTRL, |PCCBBM_BRIDGECTRL_RESET, 2);
|
|
exca_clrb(&sc->exca, EXCA_INTR, EXCA_INTR_RESET);
|
|
|
|
pccbb_set(sc, PCCBB_SOCKET_MASK, 0);
|
|
|
|
pccbb_power(brdev, CARD_VCC_0V | CARD_VPP_0V);
|
|
|
|
exca_write(&sc->exca, EXCA_ADDRWIN_ENABLE, 0);
|
|
pci_write_config(brdev, PCCBBR_MEMBASE0, 0, 4);
|
|
pci_write_config(brdev, PCCBBR_MEMLIMIT0, 0, 4);
|
|
pci_write_config(brdev, PCCBBR_MEMBASE1, 0, 4);
|
|
pci_write_config(brdev, PCCBBR_MEMLIMIT1, 0, 4);
|
|
pci_write_config(brdev, PCCBBR_IOBASE0, 0, 4);
|
|
pci_write_config(brdev, PCCBBR_IOLIMIT0, 0, 4);
|
|
pci_write_config(brdev, PCCBBR_IOBASE1, 0, 4);
|
|
pci_write_config(brdev, PCCBBR_IOLIMIT1, 0, 4);
|
|
pci_write_config(brdev, PCIR_COMMAND, 0, 2);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pccbb_driver_added(device_t brdev, driver_t *driver)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
device_t *devlist;
|
|
int tmp;
|
|
int numdevs;
|
|
int wake;
|
|
uint32_t sockstate;
|
|
|
|
DEVICE_IDENTIFY(driver, brdev);
|
|
device_get_children(brdev, &devlist, &numdevs);
|
|
wake = 0;
|
|
sockstate = pccbb_get(sc, PCCBB_SOCKET_STATE);
|
|
for (tmp = 0; tmp < numdevs; tmp++) {
|
|
if (device_get_state(devlist[tmp]) == DS_NOTPRESENT &&
|
|
device_probe_and_attach(devlist[tmp]) == 0) {
|
|
if (devlist[tmp] == NULL)
|
|
/* NOTHING */;
|
|
else if (strcmp(driver->name, "cardbus") == 0) {
|
|
sc->sc_cbdev = devlist[tmp];
|
|
if (((sockstate & PCCBB_SOCKET_STAT_CD) == 0) &&
|
|
(sockstate & PCCBB_SOCKET_STAT_CB))
|
|
wake++;
|
|
} else if (strcmp(driver->name, "pccard") == 0) {
|
|
sc->sc_pccarddev = devlist[tmp];
|
|
if (((sockstate & PCCBB_SOCKET_STAT_CD) == 0) &&
|
|
(sockstate & PCCBB_SOCKET_STAT_16BIT))
|
|
wake++;
|
|
} else
|
|
device_printf(brdev,
|
|
"Unsupported child bus: %s\n",
|
|
driver->name);
|
|
}
|
|
}
|
|
free(devlist, M_TEMP);
|
|
|
|
if (wake > 0) {
|
|
if ((pccbb_get(sc, PCCBB_SOCKET_STATE) & PCCBB_SOCKET_STAT_CD)
|
|
== 0) {
|
|
mtx_lock(&sc->sc_mtx);
|
|
wakeup(sc);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
pccbb_child_detached(device_t brdev, device_t child)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
if (child == sc->sc_cbdev)
|
|
sc->sc_cbdev = NULL;
|
|
else if (child == sc->sc_pccarddev)
|
|
sc->sc_pccarddev = NULL;
|
|
else
|
|
device_printf(brdev, "Unknown child detached: %s %p/%p\n",
|
|
device_get_nameunit(child), sc->sc_cbdev, sc->sc_pccarddev);
|
|
}
|
|
|
|
static int
|
|
pccbb_card_reprobe(device_t brdev, device_t busdev)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int wake = 0;
|
|
uint32_t sockstate;
|
|
|
|
sockstate = pccbb_get(sc, PCCBB_SOCKET_STATE);
|
|
|
|
if ((sockstate & PCCBB_SOCKET_STAT_CD) == 0) {
|
|
if (busdev == sc->sc_cbdev &&
|
|
(sockstate & PCCBB_SOCKET_STAT_CB))
|
|
wake++;
|
|
else if (busdev == sc->sc_pccarddev &&
|
|
(sockstate & PCCBB_SOCKET_STAT_16BIT))
|
|
wake++;
|
|
|
|
if (wake > 0) {
|
|
mtx_lock(&sc->sc_mtx);
|
|
wakeup(sc);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
return (0);
|
|
}
|
|
return (EBUSY);
|
|
}
|
|
return (ENOENT);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Kthreads */
|
|
/************************************************************************/
|
|
|
|
static void
|
|
pccbb_event_thread(void *arg)
|
|
{
|
|
struct pccbb_softc *sc = arg;
|
|
uint32_t status;
|
|
|
|
mtx_lock(&Giant);
|
|
for(;;) {
|
|
if (!(sc->sc_flags & PCCBB_KTHREAD_RUNNING)) {
|
|
sc->sc_flags |= PCCBB_KTHREAD_RUNNING;
|
|
} else {
|
|
tsleep (sc, PWAIT, "pccbbev", 0);
|
|
/*
|
|
* Delay 1 second, make sure the user is done with
|
|
* whatever he is doing. We tsleep on sc->sc_flags,
|
|
* which should never be woken up.
|
|
*
|
|
* XXX Note: This can cause problems on card
|
|
* removal. See OLDCARD's ISR for how you may
|
|
* have to deal with the debouncing problem. The
|
|
* crux of the issue is interrupts delivered to
|
|
* the card after eject are unstable.
|
|
*/
|
|
tsleep (&sc->sc_flags, PWAIT, "pccbbev", 1*hz);
|
|
}
|
|
mtx_lock(&sc->sc_mtx);
|
|
if (sc->sc_flags & PCCBB_KTHREAD_DONE)
|
|
break;
|
|
|
|
status = pccbb_get(sc, PCCBB_SOCKET_STATE);
|
|
if ((status & PCCBB_SOCKET_STAT_CD) == 0) {
|
|
pccbb_insert(sc);
|
|
} else {
|
|
pccbb_removal(sc);
|
|
}
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
mtx_unlock(&sc->sc_mtx);
|
|
sc->sc_flags &= ~PCCBB_KTHREAD_RUNNING;
|
|
wakeup(sc);
|
|
kthread_exit(0);
|
|
}
|
|
|
|
static void
|
|
pccbb_create_event_thread(struct pccbb_softc *sc)
|
|
{
|
|
if (kthread_create(pccbb_event_thread, sc, &sc->event_thread,
|
|
0, "%s%d", device_get_name(sc->sc_dev),
|
|
device_get_unit(sc->sc_dev))) {
|
|
device_printf (sc->sc_dev, "unable to create event thread.\n");
|
|
panic ("pccbb_create_event_thread");
|
|
}
|
|
}
|
|
|
|
static void
|
|
pccbb_start_threads(void *arg)
|
|
{
|
|
struct pccbb_sclist *sclist;
|
|
|
|
STAILQ_FOREACH(sclist, &softcs, entries) {
|
|
pccbb_create_event_thread(sclist->sc);
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Insert/removal */
|
|
/************************************************************************/
|
|
|
|
static void
|
|
pccbb_insert(struct pccbb_softc *sc)
|
|
{
|
|
uint32_t sockevent, sockstate;
|
|
int timeout = 30;
|
|
|
|
do {
|
|
sockevent = pccbb_get(sc, PCCBB_SOCKET_EVENT);
|
|
sockstate = pccbb_get(sc, PCCBB_SOCKET_STATE);
|
|
} while (sockstate & PCCBB_SOCKET_STAT_CD && --timeout > 0);
|
|
|
|
if (timeout < 0) {
|
|
device_printf (sc->sc_dev, "insert timeout");
|
|
return;
|
|
}
|
|
|
|
DEVPRINTF((sc->sc_dev, "card inserted: event=0x%08x, state=%08x\n",
|
|
sockevent, sockstate));
|
|
|
|
if (sockstate & PCCBB_SOCKET_STAT_16BIT && sc->sc_pccarddev != NULL) {
|
|
sc->sc_flags |= PCCBB_16BIT_CARD;
|
|
if (CARD_ATTACH_CARD(sc->sc_pccarddev) != 0)
|
|
device_printf(sc->sc_dev, "card activation failed\n");
|
|
} else if (sockstate & PCCBB_SOCKET_STAT_CB && sc->sc_cbdev != NULL) {
|
|
sc->sc_flags &= ~PCCBB_16BIT_CARD;
|
|
if (CARD_ATTACH_CARD(sc->sc_cbdev) != 0)
|
|
device_printf(sc->sc_dev, "card activation failed\n");
|
|
} else {
|
|
device_printf (sc->sc_dev, "Unsupported card type detected\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
pccbb_removal(struct pccbb_softc *sc)
|
|
{
|
|
if (sc->sc_flags & PCCBB_16BIT_CARD && sc->sc_pccarddev != NULL)
|
|
CARD_DETACH_CARD(sc->sc_pccarddev, DETACH_FORCE);
|
|
else if ((!(sc->sc_flags & PCCBB_16BIT_CARD)) && sc->sc_cbdev != NULL)
|
|
CARD_DETACH_CARD(sc->sc_cbdev, DETACH_FORCE);
|
|
pccbb_destroy_res(sc);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Interrupt Handler */
|
|
/************************************************************************/
|
|
|
|
static void
|
|
pccbb_intr(void *arg)
|
|
{
|
|
struct pccbb_softc *sc = arg;
|
|
uint32_t sockevent;
|
|
|
|
if (!(sockevent = pccbb_get(sc, PCCBB_SOCKET_EVENT))) {
|
|
/* not for me. */
|
|
return;
|
|
}
|
|
|
|
/* reset bit */
|
|
pccbb_setb(sc, PCCBB_SOCKET_EVENT, 0x01); /* XXXmagic */
|
|
|
|
if (sockevent & PCCBB_SOCKET_EVENT_CD) {
|
|
mtx_lock(&sc->sc_mtx);
|
|
wakeup(sc);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
} else {
|
|
if (sockevent & PCCBB_SOCKET_EVENT_CSTS) {
|
|
DPRINTF((" cstsevent occures, 0x%08x\n",
|
|
pccbb_get(sc, PCCBB_SOCKET_STATE)));
|
|
}
|
|
if (sockevent & PCCBB_SOCKET_EVENT_POWER) {
|
|
DPRINTF((" pwrevent occures, 0x%08x\n",
|
|
pccbb_get(sc, PCCBB_SOCKET_STATE)));
|
|
}
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Generic Power functions */
|
|
/************************************************************************/
|
|
|
|
static int
|
|
pccbb_detect_voltage(device_t brdev)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
uint32_t psr;
|
|
int vol = CARD_UKN_CARD;
|
|
|
|
psr = pccbb_get(sc, PCCBB_SOCKET_STATE);
|
|
|
|
if (psr & PCCBB_SOCKET_STAT_5VCARD)
|
|
vol |= CARD_5V_CARD;
|
|
if (psr & PCCBB_SOCKET_STAT_3VCARD)
|
|
vol |= CARD_3V_CARD;
|
|
if (psr & PCCBB_SOCKET_STAT_XVCARD)
|
|
vol |= CARD_XV_CARD;
|
|
if (psr & PCCBB_SOCKET_STAT_YVCARD)
|
|
vol |= CARD_YV_CARD;
|
|
|
|
return (vol);
|
|
}
|
|
|
|
static int
|
|
pccbb_power(device_t brdev, int volts)
|
|
{
|
|
uint32_t status, sock_ctrl;
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int timeout;
|
|
uint32_t sockevent;
|
|
|
|
DEVPRINTF((sc->sc_dev, "pccbb_power: %s and %s [%x]\n",
|
|
(volts & CARD_VCCMASK) == CARD_VCC_UC ? "CARD_VCC_UC" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_5V ? "CARD_VCC_5V" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_3V ? "CARD_VCC_3V" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_XV ? "CARD_VCC_XV" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_YV ? "CARD_VCC_YV" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_0V ? "CARD_VCC_0V" :
|
|
"VCC-UNKNOWN",
|
|
(volts & CARD_VPPMASK) == CARD_VPP_UC ? "CARD_VPP_UC" :
|
|
(volts & CARD_VPPMASK) == CARD_VPP_12V ? "CARD_VPP_12V" :
|
|
(volts & CARD_VPPMASK) == CARD_VPP_VCC ? "CARD_VPP_VCC" :
|
|
(volts & CARD_VPPMASK) == CARD_VPP_0V ? "CARD_VPP_0V" :
|
|
"VPP-UNKNOWN",
|
|
volts));
|
|
|
|
status = pccbb_get(sc, PCCBB_SOCKET_STATE);
|
|
sock_ctrl = pccbb_get(sc, PCCBB_SOCKET_CONTROL);
|
|
|
|
switch (volts & CARD_VCCMASK) {
|
|
case CARD_VCC_UC:
|
|
break;
|
|
case CARD_VCC_5V:
|
|
if (PCCBB_SOCKET_STAT_5VCARD & status) { /* check 5 V card */
|
|
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VCCMASK;
|
|
sock_ctrl |= PCCBB_SOCKET_CTRL_VCC_5V;
|
|
} else {
|
|
device_printf(sc->sc_dev,
|
|
"BAD voltage request: no 5 V card\n");
|
|
}
|
|
break;
|
|
case CARD_VCC_3V:
|
|
if (PCCBB_SOCKET_STAT_3VCARD & status) {
|
|
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VCCMASK;
|
|
sock_ctrl |= PCCBB_SOCKET_CTRL_VCC_3V;
|
|
} else {
|
|
device_printf(sc->sc_dev,
|
|
"BAD voltage request: no 3.3 V card\n");
|
|
}
|
|
break;
|
|
case CARD_VCC_0V:
|
|
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VCCMASK;
|
|
break;
|
|
default:
|
|
return (0); /* power NEVER changed */
|
|
break;
|
|
}
|
|
|
|
switch (volts & CARD_VPPMASK) {
|
|
case CARD_VPP_UC:
|
|
break;
|
|
case CARD_VPP_0V:
|
|
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VPPMASK;
|
|
break;
|
|
case CARD_VPP_VCC:
|
|
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VPPMASK;
|
|
sock_ctrl |= ((sock_ctrl >> 4) & 0x07);
|
|
break;
|
|
case CARD_VPP_12V:
|
|
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VPPMASK;
|
|
sock_ctrl |= PCCBB_SOCKET_CTRL_VPP_12V;
|
|
break;
|
|
}
|
|
|
|
if (pccbb_get(sc, PCCBB_SOCKET_CONTROL) == sock_ctrl)
|
|
return (1); /* no change necessary */
|
|
|
|
pccbb_set(sc, PCCBB_SOCKET_CONTROL, sock_ctrl);
|
|
status = pccbb_get(sc, PCCBB_SOCKET_STATE);
|
|
|
|
/*
|
|
* XXX This busy wait is bogus. We should wait for a power
|
|
* interrupt and then whine if the status is bad. If we're
|
|
* worried about the card not coming up, then we should also
|
|
* schedule a timeout which we can cacel in the power interrupt.
|
|
*/
|
|
timeout = 20;
|
|
do {
|
|
DELAY(20*1000);
|
|
sockevent = pccbb_get(sc, PCCBB_SOCKET_EVENT);
|
|
} while (!(sockevent & PCCBB_SOCKET_EVENT_POWER) && --timeout > 0);
|
|
/* reset event status */
|
|
/* XXX should only reset EVENT_POWER */
|
|
pccbb_set(sc, PCCBB_SOCKET_EVENT, sockevent);
|
|
if (timeout < 0) {
|
|
printf ("VCC supply failed.\n");
|
|
return (0);
|
|
}
|
|
|
|
/* XXX
|
|
* delay 400 ms: thgough the standard defines that the Vcc set-up time
|
|
* is 20 ms, some PC-Card bridge requires longer duration.
|
|
* XXX Note: We should check the stutus AFTER the delay to give time
|
|
* for things to stabilize.
|
|
*/
|
|
DELAY(400*1000);
|
|
|
|
if (status & PCCBB_SOCKET_STAT_BADVCC) {
|
|
device_printf(sc->sc_dev,
|
|
"bad Vcc request. ctrl=0x%x, status=0x%x\n",
|
|
sock_ctrl ,status);
|
|
printf("pccbb_power: %s and %s [%x]\n",
|
|
(volts & CARD_VCCMASK) == CARD_VCC_UC ? "CARD_VCC_UC" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_5V ? "CARD_VCC_5V" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_3V ? "CARD_VCC_3V" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_XV ? "CARD_VCC_XV" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_YV ? "CARD_VCC_YV" :
|
|
(volts & CARD_VCCMASK) == CARD_VCC_0V ? "CARD_VCC_0V" :
|
|
"VCC-UNKNOWN",
|
|
(volts & CARD_VPPMASK) == CARD_VPP_UC ? "CARD_VPP_UC" :
|
|
(volts & CARD_VPPMASK) == CARD_VPP_12V ? "CARD_VPP_12V":
|
|
(volts & CARD_VPPMASK) == CARD_VPP_VCC ? "CARD_VPP_VCC":
|
|
(volts & CARD_VPPMASK) == CARD_VPP_0V ? "CARD_VPP_0V" :
|
|
"VPP-UNKNOWN",
|
|
volts);
|
|
return (0);
|
|
}
|
|
return (1); /* power changed correctly */
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Cardbus power functions */
|
|
/************************************************************************/
|
|
|
|
static void
|
|
pccbb_cardbus_reset(device_t brdev)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int delay_us;
|
|
|
|
delay_us = sc->sc_chipset == CB_RF5C47X ? 400*1000 : 20*1000;
|
|
|
|
PCI_MASK_CONFIG(brdev, PCCBBR_BRIDGECTRL, |PCCBBM_BRIDGECTRL_RESET, 2);
|
|
|
|
DELAY(delay_us);
|
|
|
|
/* If a card exists, unreset it! */
|
|
if ((pccbb_get(sc, PCCBB_SOCKET_STATE) & PCCBB_SOCKET_STAT_CD) == 0) {
|
|
PCI_MASK_CONFIG(brdev, PCCBBR_BRIDGECTRL,
|
|
&~PCCBBM_BRIDGECTRL_RESET, 2);
|
|
DELAY(delay_us);
|
|
}
|
|
}
|
|
|
|
static int
|
|
pccbb_cardbus_power_enable_socket(device_t brdev, device_t child)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int voltage;
|
|
|
|
if ((pccbb_get(sc, PCCBB_SOCKET_STATE) & PCCBB_SOCKET_STAT_CD) ==
|
|
PCCBB_SOCKET_STAT_CD)
|
|
return (ENODEV);
|
|
|
|
voltage = pccbb_detect_voltage(brdev);
|
|
|
|
pccbb_power(brdev, CARD_VCC_0V | CARD_VPP_0V);
|
|
if (voltage & CARD_5V_CARD)
|
|
pccbb_power(brdev, CARD_VCC_5V | CARD_VPP_VCC);
|
|
else if (voltage & CARD_3V_CARD)
|
|
pccbb_power(brdev, CARD_VCC_3V | CARD_VPP_VCC);
|
|
else {
|
|
device_printf(brdev, "Unknown card voltage\n");
|
|
return (ENXIO);
|
|
}
|
|
|
|
pccbb_cardbus_reset(brdev);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pccbb_cardbus_power_disable_socket(device_t brdev, device_t child)
|
|
{
|
|
pccbb_power(brdev, CARD_VCC_0V | CARD_VPP_0V);
|
|
pccbb_cardbus_reset(brdev);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Cardbus Resource */
|
|
/************************************************************************/
|
|
|
|
static int
|
|
pccbb_cardbus_io_open(device_t brdev, int win, uint32_t start, uint32_t end)
|
|
{
|
|
int basereg;
|
|
int limitreg;
|
|
|
|
if ((win < 0) || (win > 1)) {
|
|
DEVPRINTF((brdev,
|
|
"pccbb_cardbus_io_open: window out of range %d\n", win));
|
|
return (EINVAL);
|
|
}
|
|
|
|
basereg = win*8 + PCCBBR_IOBASE0;
|
|
limitreg = win*8 + PCCBBR_IOLIMIT0;
|
|
|
|
pci_write_config(brdev, basereg, start, 4);
|
|
pci_write_config(brdev, limitreg, end, 4);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pccbb_cardbus_mem_open(device_t brdev, int win, uint32_t start, uint32_t end)
|
|
{
|
|
int basereg;
|
|
int limitreg;
|
|
|
|
if ((win < 0) || (win > 1)) {
|
|
DEVPRINTF((brdev,
|
|
"pccbb_cardbus_mem_open: window out of range %d\n", win));
|
|
return (EINVAL);
|
|
}
|
|
|
|
basereg = win*8 + PCCBBR_MEMBASE0;
|
|
limitreg = win*8 + PCCBBR_MEMLIMIT0;
|
|
|
|
pci_write_config(brdev, basereg, start, 4);
|
|
pci_write_config(brdev, limitreg, end, 4);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* XXX The following function belongs in the pci bus layer.
|
|
*/
|
|
static void
|
|
pccbb_cardbus_auto_open(struct pccbb_softc *sc, int type)
|
|
{
|
|
uint32_t starts[2];
|
|
uint32_t ends[2];
|
|
struct pccbb_reslist *rle;
|
|
int align;
|
|
int prefetchable[2];
|
|
uint32_t reg;
|
|
|
|
starts[0] = starts[1] = 0xffffffff;
|
|
ends[0] = ends[1] = 0;
|
|
|
|
if (type == SYS_RES_MEMORY)
|
|
align = PCCBB_MEMALIGN;
|
|
else if (type == SYS_RES_IOPORT)
|
|
align = PCCBB_IOALIGN;
|
|
else
|
|
align = 1;
|
|
|
|
SLIST_FOREACH(rle, &sc->rl, link) {
|
|
if (rle->type != type)
|
|
;
|
|
else if (rle->res == NULL) {
|
|
device_printf(sc->sc_dev, "WARNING: Resource not reserved? "
|
|
"(type=%d, addr=%lx)\n",
|
|
rle->type, rman_get_start(rle->res));
|
|
} else if (!(rman_get_flags(rle->res) & RF_ACTIVE)) {
|
|
/* XXX */
|
|
} else if (starts[0] == 0xffffffff) {
|
|
starts[0] = rman_get_start(rle->res);
|
|
ends[0] = rman_get_end(rle->res);
|
|
prefetchable[0] =
|
|
rman_get_flags(rle->res) & RF_PREFETCHABLE;
|
|
} else if (rman_get_end(rle->res) > ends[0] &&
|
|
rman_get_start(rle->res) - ends[0] <
|
|
PCCBB_AUTO_OPEN_SMALLHOLE && prefetchable[0] ==
|
|
(rman_get_flags(rle->res) & RF_PREFETCHABLE)) {
|
|
ends[0] = rman_get_end(rle->res);
|
|
} else if (rman_get_start(rle->res) < starts[0] &&
|
|
starts[0] - rman_get_end(rle->res) <
|
|
PCCBB_AUTO_OPEN_SMALLHOLE && prefetchable[0] ==
|
|
(rman_get_flags(rle->res) & RF_PREFETCHABLE)) {
|
|
starts[0] = rman_get_start(rle->res);
|
|
} else if (starts[1] == 0xffffffff) {
|
|
starts[1] = rman_get_start(rle->res);
|
|
ends[1] = rman_get_end(rle->res);
|
|
prefetchable[1] =
|
|
rman_get_flags(rle->res) & RF_PREFETCHABLE;
|
|
} else if (rman_get_end(rle->res) > ends[1] &&
|
|
rman_get_start(rle->res) - ends[1] <
|
|
PCCBB_AUTO_OPEN_SMALLHOLE && prefetchable[1] ==
|
|
(rman_get_flags(rle->res) & RF_PREFETCHABLE)) {
|
|
ends[1] = rman_get_end(rle->res);
|
|
} else if (rman_get_start(rle->res) < starts[1] &&
|
|
starts[1] - rman_get_end(rle->res) <
|
|
PCCBB_AUTO_OPEN_SMALLHOLE && prefetchable[1] ==
|
|
(rman_get_flags(rle->res) & RF_PREFETCHABLE)) {
|
|
starts[1] = rman_get_start(rle->res);
|
|
} else {
|
|
uint32_t diffs[2];
|
|
int win;
|
|
|
|
diffs[0] = diffs[1] = 0xffffffff;
|
|
if (rman_get_start(rle->res) > ends[0])
|
|
diffs[0] = rman_get_start(rle->res) - ends[0];
|
|
else if (rman_get_end(rle->res) < starts[0])
|
|
diffs[0] = starts[0] - rman_get_end(rle->res);
|
|
if (rman_get_start(rle->res) > ends[1])
|
|
diffs[1] = rman_get_start(rle->res) - ends[1];
|
|
else if (rman_get_end(rle->res) < starts[1])
|
|
diffs[1] = starts[1] - rman_get_end(rle->res);
|
|
|
|
win = (diffs[0] <= diffs[1])?0:1;
|
|
if (rman_get_start(rle->res) > ends[win])
|
|
ends[win] = rman_get_end(rle->res);
|
|
else if (rman_get_end(rle->res) < starts[win])
|
|
starts[win] = rman_get_start(rle->res);
|
|
if (!(rman_get_flags(rle->res) & RF_PREFETCHABLE))
|
|
prefetchable[win] = 0;
|
|
}
|
|
|
|
if (starts[0] != 0xffffffff)
|
|
starts[0] -= starts[0] % align;
|
|
if (starts[1] != 0xffffffff)
|
|
starts[1] -= starts[1] % align;
|
|
if (ends[0] % align != 0)
|
|
ends[0] += align - ends[0]%align - 1;
|
|
if (ends[1] % align != 0)
|
|
ends[1] += align - ends[1]%align - 1;
|
|
}
|
|
|
|
if (type == SYS_RES_MEMORY) {
|
|
pccbb_cardbus_mem_open(sc->sc_dev, 0, starts[0], ends[0]);
|
|
pccbb_cardbus_mem_open(sc->sc_dev, 1, starts[1], ends[1]);
|
|
reg = pci_read_config(sc->sc_dev, PCCBBR_BRIDGECTRL, 2);
|
|
reg &= ~(PCCBBM_BRIDGECTRL_PREFETCH_0|
|
|
PCCBBM_BRIDGECTRL_PREFETCH_1);
|
|
reg |= (prefetchable[0]?PCCBBM_BRIDGECTRL_PREFETCH_0:0)|
|
|
(prefetchable[1]?PCCBBM_BRIDGECTRL_PREFETCH_1:0);
|
|
pci_write_config(sc->sc_dev, PCCBBR_BRIDGECTRL, reg, 2);
|
|
} else if (type == SYS_RES_IOPORT) {
|
|
pccbb_cardbus_io_open(sc->sc_dev, 0, starts[0], ends[0]);
|
|
pccbb_cardbus_io_open(sc->sc_dev, 1, starts[1], ends[1]);
|
|
}
|
|
}
|
|
|
|
static int
|
|
pccbb_cardbus_activate_resource(device_t brdev, device_t child, int type,
|
|
int rid, struct resource *res)
|
|
{
|
|
int ret;
|
|
|
|
ret = BUS_ACTIVATE_RESOURCE(device_get_parent(brdev), child,
|
|
type, rid, res);
|
|
if (ret != 0)
|
|
return (ret);
|
|
pccbb_cardbus_auto_open(device_get_softc(brdev), type);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pccbb_cardbus_deactivate_resource(device_t brdev, device_t child, int type,
|
|
int rid, struct resource *res)
|
|
{
|
|
int ret;
|
|
|
|
ret = BUS_DEACTIVATE_RESOURCE(device_get_parent(brdev), child,
|
|
type, rid, res);
|
|
if (ret != 0)
|
|
return (ret);
|
|
pccbb_cardbus_auto_open(device_get_softc(brdev), type);
|
|
return (0);
|
|
}
|
|
|
|
static struct resource *
|
|
pccbb_cardbus_alloc_resource(device_t brdev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, uint flags)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int tmp;
|
|
struct resource *res;
|
|
|
|
switch (type) {
|
|
case SYS_RES_IRQ:
|
|
tmp = rman_get_start(sc->sc_irq_res);
|
|
if (start > tmp || end < tmp || count != 1) {
|
|
device_printf(child, "requested interrupt %ld-%ld,"
|
|
"count = %ld not supported by pccbb\n",
|
|
start, end, count);
|
|
return (NULL);
|
|
}
|
|
start = end = tmp;
|
|
break;
|
|
case SYS_RES_IOPORT:
|
|
if (start <= PCCBB_START_IO)
|
|
start = PCCBB_START_IO;
|
|
if (end < start)
|
|
end = start;
|
|
break;
|
|
case SYS_RES_MEMORY:
|
|
if (start <= pccbb_start_mem)
|
|
start = pccbb_start_mem;
|
|
if (end < start)
|
|
end = start;
|
|
break;
|
|
}
|
|
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(brdev), child, type, rid,
|
|
start, end, count, flags & ~RF_ACTIVE);
|
|
if (res == NULL) {
|
|
printf("pccbb alloc res fail\n");
|
|
return (NULL);
|
|
}
|
|
pccbb_insert_res(sc, res, type, *rid);
|
|
if (flags & RF_ACTIVE)
|
|
if (bus_activate_resource(child, type, *rid, res) != 0) {
|
|
bus_release_resource(child, type, *rid, res);
|
|
return (NULL);
|
|
}
|
|
|
|
return (res);
|
|
}
|
|
|
|
static int
|
|
pccbb_cardbus_release_resource(device_t brdev, device_t child, int type,
|
|
int rid, struct resource *res)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int error;
|
|
|
|
if (rman_get_flags(res) & RF_ACTIVE) {
|
|
error = bus_deactivate_resource(child, type, rid, res);
|
|
if (error != 0)
|
|
return (error);
|
|
}
|
|
pccbb_remove_res(sc, res);
|
|
return (BUS_RELEASE_RESOURCE(device_get_parent(brdev), child,
|
|
type, rid, res));
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* PC Card Power Functions */
|
|
/************************************************************************/
|
|
|
|
static int
|
|
pccbb_pcic_power_enable_socket(device_t brdev, device_t child)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int voltage;
|
|
|
|
DPRINTF(("pccbb_pcic_socket_enable:\n"));
|
|
|
|
/* power down/up the socket to reset */
|
|
voltage = pccbb_detect_voltage(brdev);
|
|
pccbb_power(brdev, CARD_VCC_0V | CARD_VPP_0V);
|
|
if (voltage & CARD_5V_CARD)
|
|
pccbb_power(brdev, CARD_VCC_5V | CARD_VPP_VCC);
|
|
else if (voltage & CARD_3V_CARD)
|
|
pccbb_power(brdev, CARD_VCC_3V | CARD_VPP_VCC);
|
|
else {
|
|
device_printf(brdev, "Unknown card voltage\n");
|
|
return (ENXIO);
|
|
}
|
|
exca_reset(&sc->exca, child);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pccbb_pcic_power_disable_socket(device_t brdev, device_t child)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
DPRINTF(("pccbb_pcic_socket_disable\n"));
|
|
|
|
/* reset signal asserting... */
|
|
exca_clrb(&sc->exca, EXCA_INTR, EXCA_INTR_RESET);
|
|
DELAY(2*1000);
|
|
|
|
/* power down the socket */
|
|
pccbb_power(brdev, CARD_VCC_0V | CARD_VPP_0V);
|
|
exca_clrb(&sc->exca, EXCA_PWRCTL, EXCA_PWRCTL_OE);
|
|
|
|
/* wait 300ms until power fails (Tpf). */
|
|
DELAY(300 * 1000);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* POWER methods */
|
|
/************************************************************************/
|
|
|
|
static int
|
|
pccbb_power_enable_socket(device_t brdev, device_t child)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
if (sc->sc_flags & PCCBB_16BIT_CARD)
|
|
return (pccbb_pcic_power_enable_socket(brdev, child));
|
|
else
|
|
return (pccbb_cardbus_power_enable_socket(brdev, child));
|
|
}
|
|
|
|
static void
|
|
pccbb_power_disable_socket(device_t brdev, device_t child)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
if (sc->sc_flags & PCCBB_16BIT_CARD)
|
|
pccbb_pcic_power_disable_socket(brdev, child);
|
|
else
|
|
pccbb_cardbus_power_disable_socket(brdev, child);
|
|
}
|
|
static int
|
|
pccbb_pcic_activate_resource(device_t brdev, device_t child, int type, int rid,
|
|
struct resource *res)
|
|
{
|
|
int err;
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
if (!(rman_get_flags(res) & RF_ACTIVE)) { /* not already activated */
|
|
switch (type) {
|
|
case SYS_RES_IOPORT:
|
|
err = exca_io_map(&sc->exca, 0, res);
|
|
break;
|
|
case SYS_RES_MEMORY:
|
|
err = exca_mem_map(&sc->exca, 0, res);
|
|
break;
|
|
default:
|
|
err = 0;
|
|
break;
|
|
}
|
|
if (err)
|
|
return (err);
|
|
|
|
}
|
|
return (BUS_ACTIVATE_RESOURCE(device_get_parent(brdev), child,
|
|
type, rid, res));
|
|
}
|
|
|
|
static int
|
|
pccbb_pcic_deactivate_resource(device_t brdev, device_t child, int type,
|
|
int rid, struct resource *res)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
if (rman_get_flags(res) & RF_ACTIVE) { /* if activated */
|
|
switch (type) {
|
|
case SYS_RES_IOPORT:
|
|
if (exca_io_unmap_res(&sc->exca, res))
|
|
return (ENOENT);
|
|
break;
|
|
case SYS_RES_MEMORY:
|
|
if (exca_mem_unmap_res(&sc->exca, res))
|
|
return (ENOENT);
|
|
break;
|
|
}
|
|
}
|
|
return (BUS_DEACTIVATE_RESOURCE(device_get_parent(brdev), child,
|
|
type, rid, res));
|
|
}
|
|
|
|
static struct resource *
|
|
pccbb_pcic_alloc_resource(device_t brdev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, uint flags)
|
|
{
|
|
struct resource *res = NULL;
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int tmp;
|
|
|
|
switch (type) {
|
|
case SYS_RES_MEMORY:
|
|
if (start < pccbb_start_mem)
|
|
start = pccbb_start_mem;
|
|
if (end < start)
|
|
end = start;
|
|
flags = (flags & ~RF_ALIGNMENT_MASK) |
|
|
rman_make_alignment_flags(PCCBB_MEMALIGN);
|
|
break;
|
|
case SYS_RES_IOPORT:
|
|
if (start < 0x100)
|
|
start = 0x100; /* XXX tweakable? */
|
|
if (end < start)
|
|
end = start;
|
|
break;
|
|
case SYS_RES_IRQ:
|
|
tmp = rman_get_start(sc->sc_irq_res);
|
|
if (start > tmp || end < tmp || count != 1) {
|
|
device_printf(child, "requested interrupt %ld-%ld,"
|
|
"count = %ld not supported by pccbb\n",
|
|
start, end, count);
|
|
return (NULL);
|
|
}
|
|
flags |= RF_SHAREABLE;
|
|
start = end = rman_get_start(sc->sc_irq_res);
|
|
break;
|
|
}
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(brdev), child, type, rid,
|
|
start, end, count, flags & ~RF_ACTIVE);
|
|
if (res == NULL)
|
|
return (NULL);
|
|
pccbb_insert_res(sc, res, type, *rid);
|
|
if (flags & RF_ACTIVE) {
|
|
if (bus_activate_resource(child, type, *rid, res) != 0) {
|
|
bus_release_resource(child, type, *rid, res);
|
|
return (NULL);
|
|
}
|
|
}
|
|
|
|
return (res);
|
|
}
|
|
|
|
static int
|
|
pccbb_pcic_release_resource(device_t brdev, device_t child, int type,
|
|
int rid, struct resource *res)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
int error;
|
|
|
|
if (rman_get_flags(res) & RF_ACTIVE) {
|
|
error = bus_deactivate_resource(child, type, rid, res);
|
|
if (error != 0)
|
|
return (error);
|
|
}
|
|
pccbb_remove_res(sc, res);
|
|
return (BUS_RELEASE_RESOURCE(device_get_parent(brdev), child,
|
|
type, rid, res));
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* PC Card methods */
|
|
/************************************************************************/
|
|
|
|
static int
|
|
pccbb_pcic_set_res_flags(device_t brdev, device_t child, int type, int rid,
|
|
uint32_t flags)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
struct resource *res;
|
|
|
|
if (type != SYS_RES_MEMORY)
|
|
return (EINVAL);
|
|
res = pccbb_find_res(sc, type, rid);
|
|
if (res == NULL) {
|
|
device_printf(brdev,
|
|
"set_res_flags: specified rid not found\n");
|
|
return (ENOENT);
|
|
}
|
|
return (exca_mem_set_flags(&sc->exca, res, flags));
|
|
}
|
|
|
|
static int
|
|
pccbb_pcic_set_memory_offset(device_t brdev, device_t child, int rid,
|
|
uint32_t cardaddr, uint32_t *deltap)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
struct resource *res;
|
|
|
|
res = pccbb_find_res(sc, SYS_RES_MEMORY, rid);
|
|
if (res == NULL) {
|
|
device_printf(brdev,
|
|
"set_memory_offset: specified rid not found\n");
|
|
return (ENOENT);
|
|
}
|
|
return (exca_mem_set_offset(&sc->exca, res, cardaddr, deltap));
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* BUS Methods */
|
|
/************************************************************************/
|
|
|
|
|
|
static int
|
|
pccbb_activate_resource(device_t brdev, device_t child, int type, int rid,
|
|
struct resource *r)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
if (sc->sc_flags & PCCBB_16BIT_CARD)
|
|
return (pccbb_pcic_activate_resource(brdev, child, type, rid, r));
|
|
else
|
|
return (pccbb_cardbus_activate_resource(brdev, child, type, rid,
|
|
r));
|
|
}
|
|
|
|
static int
|
|
pccbb_deactivate_resource(device_t brdev, device_t child, int type,
|
|
int rid, struct resource *r)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
if (sc->sc_flags & PCCBB_16BIT_CARD)
|
|
return (pccbb_pcic_deactivate_resource(brdev, child, type,
|
|
rid, r));
|
|
else
|
|
return (pccbb_cardbus_deactivate_resource(brdev, child, type,
|
|
rid, r));
|
|
}
|
|
|
|
static struct resource *
|
|
pccbb_alloc_resource(device_t brdev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, uint flags)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
if (sc->sc_flags & PCCBB_16BIT_CARD)
|
|
return (pccbb_pcic_alloc_resource(brdev, child, type, rid,
|
|
start, end, count, flags));
|
|
else
|
|
return (pccbb_cardbus_alloc_resource(brdev, child, type, rid,
|
|
start, end, count, flags));
|
|
}
|
|
|
|
static int
|
|
pccbb_release_resource(device_t brdev, device_t child, int type, int rid,
|
|
struct resource *r)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
if (sc->sc_flags & PCCBB_16BIT_CARD)
|
|
return (pccbb_pcic_release_resource(brdev, child, type,
|
|
rid, r));
|
|
else
|
|
return (pccbb_cardbus_release_resource(brdev, child, type,
|
|
rid, r));
|
|
}
|
|
|
|
static int
|
|
pccbb_read_ivar(device_t brdev, device_t child, int which, uintptr_t *result)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
switch (which) {
|
|
case PCIB_IVAR_BUS:
|
|
*result = sc->sc_secbus;
|
|
return (0);
|
|
}
|
|
return (ENOENT);
|
|
}
|
|
|
|
static int
|
|
pccbb_write_ivar(device_t brdev, device_t child, int which, uintptr_t value)
|
|
{
|
|
struct pccbb_softc *sc = device_get_softc(brdev);
|
|
|
|
switch (which) {
|
|
case PCIB_IVAR_BUS:
|
|
sc->sc_secbus = value;
|
|
break;
|
|
}
|
|
return (ENOENT);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* PCI compat methods */
|
|
/************************************************************************/
|
|
|
|
static int
|
|
pccbb_maxslots(device_t brdev)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static uint32_t
|
|
pccbb_read_config(device_t brdev, int b, int s, int f, int reg, int width)
|
|
{
|
|
/*
|
|
* Pass through to the next ppb up the chain (i.e. our grandparent).
|
|
*/
|
|
return (PCIB_READ_CONFIG(device_get_parent(device_get_parent(brdev)),
|
|
b, s, f, reg, width));
|
|
}
|
|
|
|
static void
|
|
pccbb_write_config(device_t brdev, int b, int s, int f, int reg, uint32_t val,
|
|
int width)
|
|
{
|
|
/*
|
|
* Pass through to the next ppb up the chain (i.e. our grandparent).
|
|
*/
|
|
PCIB_WRITE_CONFIG(device_get_parent(device_get_parent(brdev)),
|
|
b, s, f, reg, val, width);
|
|
}
|
|
|
|
static int
|
|
pccbb_suspend(device_t self)
|
|
{
|
|
int error = 0;
|
|
struct pccbb_softc* sc = device_get_softc(self);
|
|
|
|
bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intrhand);
|
|
error = bus_generic_suspend(self);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
pccbb_resume(device_t self)
|
|
{
|
|
int error = 0;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)device_get_softc(self);
|
|
uint32_t tmp;
|
|
|
|
pci_write_config(self, PCCBBR_SOCKBASE,
|
|
rman_get_start(sc->sc_base_res), 4);
|
|
DEVPRINTF((self, "PCI Memory allocated: %08lx\n",
|
|
rman_get_start(sc->sc_base_res)));
|
|
|
|
pccbb_chipinit(sc);
|
|
|
|
/* CSC Interrupt: Card detect interrupt on */
|
|
pccbb_setb(sc, PCCBB_SOCKET_MASK, PCCBB_SOCKET_MASK_CD);
|
|
|
|
/* reset interrupt */
|
|
tmp = pccbb_get(sc, PCCBB_SOCKET_EVENT);
|
|
pccbb_set(sc, PCCBB_SOCKET_EVENT, tmp);
|
|
|
|
/* re-establish the interrupt. */
|
|
/* XXX INTR_TYPE_BIOS IS WRONG here */
|
|
if (bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO, pccbb_intr, sc,
|
|
&sc->sc_intrhand)) {
|
|
device_printf(self, "couldn't re-establish interrupt");
|
|
bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
|
|
bus_release_resource(self, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
|
|
sc->sc_base_res);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
error = ENOMEM;
|
|
}
|
|
bus_generic_resume(self);
|
|
|
|
/* wakeup thread */
|
|
if (!error) {
|
|
mtx_lock(&sc->sc_mtx);
|
|
wakeup(sc);
|
|
mtx_unlock(&sc->sc_mtx);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static device_method_t pccbb_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, pccbb_probe),
|
|
DEVMETHOD(device_attach, pccbb_attach),
|
|
DEVMETHOD(device_detach, pccbb_detach),
|
|
DEVMETHOD(device_shutdown, pccbb_shutdown),
|
|
DEVMETHOD(device_suspend, pccbb_suspend),
|
|
DEVMETHOD(device_resume, pccbb_resume),
|
|
|
|
/* bus methods */
|
|
DEVMETHOD(bus_print_child, bus_generic_print_child),
|
|
DEVMETHOD(bus_read_ivar, pccbb_read_ivar),
|
|
DEVMETHOD(bus_write_ivar, pccbb_write_ivar),
|
|
DEVMETHOD(bus_alloc_resource, pccbb_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, pccbb_release_resource),
|
|
DEVMETHOD(bus_activate_resource, pccbb_activate_resource),
|
|
DEVMETHOD(bus_deactivate_resource, pccbb_deactivate_resource),
|
|
DEVMETHOD(bus_driver_added, pccbb_driver_added),
|
|
DEVMETHOD(bus_child_detached, pccbb_child_detached),
|
|
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
|
|
|
|
/* 16-bit card interface */
|
|
DEVMETHOD(card_set_res_flags, pccbb_pcic_set_res_flags),
|
|
DEVMETHOD(card_set_memory_offset, pccbb_pcic_set_memory_offset),
|
|
DEVMETHOD(card_reprobe_card, pccbb_card_reprobe),
|
|
|
|
/* power interface */
|
|
DEVMETHOD(power_enable_socket, pccbb_power_enable_socket),
|
|
DEVMETHOD(power_disable_socket, pccbb_power_disable_socket),
|
|
|
|
/* pcib compatibility interface */
|
|
DEVMETHOD(pcib_maxslots, pccbb_maxslots),
|
|
DEVMETHOD(pcib_read_config, pccbb_read_config),
|
|
DEVMETHOD(pcib_write_config, pccbb_write_config),
|
|
{0,0}
|
|
};
|
|
|
|
static driver_t pccbb_driver = {
|
|
"pccbb",
|
|
pccbb_methods,
|
|
sizeof(struct pccbb_softc)
|
|
};
|
|
|
|
static devclass_t pccbb_devclass;
|
|
|
|
DRIVER_MODULE(pccbb, pci, pccbb_driver, pccbb_devclass, 0, 0);
|
|
|
|
SYSINIT(pccbb, SI_SUB_KTHREAD_IDLE, SI_ORDER_ANY, pccbb_start_threads, 0);
|