1468 lines
37 KiB
C
1468 lines
37 KiB
C
/* $NetBSD: i82365.c,v 1.116 2013/10/13 06:55:34 riz Exp $ */
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/*
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* Copyright (c) 2004 Charles M. Hannum. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles M. Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*/
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/*
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* Copyright (c) 2000 Christian E. Hopps. All rights reserved.
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* Copyright (c) 1997 Marc Horowitz. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Marc Horowitz.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: i82365.c,v 1.116 2013/10/13 06:55:34 riz Exp $");
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#define PCICDEBUG
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/extent.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/kthread.h>
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#include <sys/bus.h>
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#include <sys/intr.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/ic/i82365reg.h>
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#include <dev/ic/i82365var.h>
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#include "locators.h"
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#ifdef PCICDEBUG
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int pcic_debug = 0;
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#define DPRINTF(arg) if (pcic_debug) printf arg;
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#else
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#define DPRINTF(arg)
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#endif
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/*
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* Individual drivers will allocate their own memory and io regions. Memory
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* regions must be a multiple of 4k, aligned on a 4k boundary.
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*/
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#define PCIC_MEM_ALIGN PCIC_MEM_PAGESIZE
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void pcic_attach_socket(struct pcic_handle *);
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void pcic_attach_socket_finish(struct pcic_handle *);
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int pcic_print (void *arg, const char *pnp);
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int pcic_intr_socket(struct pcic_handle *);
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void pcic_poll_intr(void *);
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void pcic_attach_card(struct pcic_handle *);
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void pcic_detach_card(struct pcic_handle *, int);
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void pcic_deactivate_card(struct pcic_handle *);
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void pcic_chip_do_mem_map(struct pcic_handle *, int);
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void pcic_chip_do_io_map(struct pcic_handle *, int);
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void pcic_event_thread(void *);
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void pcic_queue_event(struct pcic_handle *, int);
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void pcic_power(int, void *);
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static int pcic_wait_ready(struct pcic_handle *);
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static void pcic_delay(struct pcic_handle *, int, const char *);
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static uint8_t st_pcic_read(struct pcic_handle *, int);
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static void st_pcic_write(struct pcic_handle *, int, uint8_t);
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int
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pcic_ident_ok(int ident)
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{
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/* this is very empirical and heuristic */
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if ((ident == 0) || (ident == 0xff) || (ident & PCIC_IDENT_ZERO))
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return 0;
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if ((ident & PCIC_IDENT_REV_MASK) == 0)
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return 0;
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if ((ident & PCIC_IDENT_IFTYPE_MASK) != PCIC_IDENT_IFTYPE_MEM_AND_IO) {
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#ifdef DIAGNOSTIC
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printf("pcic: does not support memory and I/O cards, "
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"ignored (ident=%0x)\n", ident);
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#endif
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return 0;
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}
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return 1;
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}
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int
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pcic_vendor(struct pcic_handle *h)
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{
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int reg;
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int vendor;
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reg = pcic_read(h, PCIC_IDENT);
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if ((reg & PCIC_IDENT_REV_MASK) == 0)
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return PCIC_VENDOR_NONE;
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switch (reg) {
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case 0x00:
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case 0xff:
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return PCIC_VENDOR_NONE;
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case PCIC_IDENT_ID_INTEL0:
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vendor = PCIC_VENDOR_I82365SLR0;
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break;
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case PCIC_IDENT_ID_INTEL1:
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vendor = PCIC_VENDOR_I82365SLR1;
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break;
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case PCIC_IDENT_ID_INTEL2:
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vendor = PCIC_VENDOR_I82365SL_DF;
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break;
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case PCIC_IDENT_ID_IBM1:
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case PCIC_IDENT_ID_IBM2:
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vendor = PCIC_VENDOR_IBM;
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break;
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case PCIC_IDENT_ID_IBM3:
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vendor = PCIC_VENDOR_IBM_KING;
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break;
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default:
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vendor = PCIC_VENDOR_UNKNOWN;
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break;
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}
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if (vendor == PCIC_VENDOR_I82365SLR0 ||
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vendor == PCIC_VENDOR_I82365SLR1) {
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/*
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* Check for Cirrus PD67xx.
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* the chip_id of the cirrus toggles between 11 and 00 after a
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* write. weird.
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*/
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pcic_write(h, PCIC_CIRRUS_CHIP_INFO, 0);
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reg = pcic_read(h, -1);
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if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) ==
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PCIC_CIRRUS_CHIP_INFO_CHIP_ID) {
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reg = pcic_read(h, -1);
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if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) == 0)
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return PCIC_VENDOR_CIRRUS_PD67XX;
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}
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/*
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* check for Ricoh RF5C[23]96
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*/
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reg = pcic_read(h, PCIC_RICOH_REG_CHIP_ID);
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switch (reg) {
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case PCIC_RICOH_CHIP_ID_5C296:
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return PCIC_VENDOR_RICOH_5C296;
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case PCIC_RICOH_CHIP_ID_5C396:
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return PCIC_VENDOR_RICOH_5C396;
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}
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}
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return vendor;
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}
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const char *
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pcic_vendor_to_string(int vendor)
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{
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switch (vendor) {
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case PCIC_VENDOR_I82365SLR0:
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return "Intel 82365SL Revision 0";
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case PCIC_VENDOR_I82365SLR1:
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return "Intel 82365SL Revision 1";
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case PCIC_VENDOR_CIRRUS_PD67XX:
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return "Cirrus PD6710/2X";
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case PCIC_VENDOR_I82365SL_DF:
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return "Intel 82365SL-DF";
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case PCIC_VENDOR_RICOH_5C296:
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return "Ricoh RF5C296";
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case PCIC_VENDOR_RICOH_5C396:
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return "Ricoh RF5C396";
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case PCIC_VENDOR_IBM:
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return "IBM PCIC";
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case PCIC_VENDOR_IBM_KING:
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return "IBM KING";
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}
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return "Unknown controller";
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}
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void
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pcic_attach(struct pcic_softc *sc)
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{
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int i, reg, chip, socket;
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struct pcic_handle *h;
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device_t self;
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DPRINTF(("pcic ident regs:"));
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self = sc->dev;
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mutex_init(&sc->sc_pcic_lock, MUTEX_DEFAULT, IPL_NONE);
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/* find and configure for the available sockets */
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for (i = 0; i < __arraycount(sc->handle); i++) {
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h = &sc->handle[i];
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chip = i / 2;
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socket = i % 2;
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h->ph_parent = self;
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h->chip = chip;
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h->socket = socket;
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h->sock = chip * PCIC_CHIP_OFFSET + socket * PCIC_SOCKET_OFFSET;
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h->laststate = PCIC_LASTSTATE_EMPTY;
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/* initialize pcic_read and pcic_write functions */
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h->ph_read = st_pcic_read;
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h->ph_write = st_pcic_write;
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h->ph_bus_t = sc->iot;
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h->ph_bus_h = sc->ioh;
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h->flags = 0;
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/* need to read vendor -- for cirrus to report no xtra chip */
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if (socket == 0) {
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h->vendor = pcic_vendor(h);
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if (i < __arraycount(sc->handle) - 1)
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(h + 1)->vendor = h->vendor;
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}
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switch (h->vendor) {
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case PCIC_VENDOR_NONE:
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/* no chip */
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continue;
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case PCIC_VENDOR_CIRRUS_PD67XX:
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reg = pcic_read(h, PCIC_CIRRUS_CHIP_INFO);
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if (socket == 0 ||
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(reg & PCIC_CIRRUS_CHIP_INFO_SLOTS))
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h->flags = PCIC_FLAG_SOCKETP;
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break;
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default:
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/*
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* During the socket probe, read the ident register
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* twice. I don't understand why, but sometimes the
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* clone chips in hpcmips boxes read all-0s the first
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* time. -- mycroft
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*/
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reg = pcic_read(h, PCIC_IDENT);
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DPRINTF(("socket %d ident reg 0x%02x\n", i, reg));
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reg = pcic_read(h, PCIC_IDENT);
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DPRINTF(("socket %d ident reg 0x%02x\n", i, reg));
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if (pcic_ident_ok(reg))
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h->flags = PCIC_FLAG_SOCKETP;
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break;
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}
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}
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for (i = 0; i < __arraycount(sc->handle); i++) {
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h = &sc->handle[i];
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if (h->flags & PCIC_FLAG_SOCKETP) {
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SIMPLEQ_INIT(&h->events);
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/* disable interrupts and leave socket in reset */
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pcic_write(h, PCIC_INTR, 0);
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/* zero out the address windows */
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pcic_write(h, PCIC_ADDRWIN_ENABLE, 0);
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/* power down the socket */
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pcic_write(h, PCIC_PWRCTL, 0);
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pcic_write(h, PCIC_CSC_INTR, 0);
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(void) pcic_read(h, PCIC_CSC);
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}
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}
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/* print detected info */
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for (i = 0; i < __arraycount(sc->handle) - 1; i += 2) {
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h = &sc->handle[i];
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chip = i / 2;
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if (h->vendor == PCIC_VENDOR_NONE)
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continue;
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aprint_normal_dev(self, "controller %d (%s) has ",
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chip, pcic_vendor_to_string(sc->handle[i].vendor));
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if ((h->flags & PCIC_FLAG_SOCKETP) &&
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((h + 1)->flags & PCIC_FLAG_SOCKETP))
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aprint_normal("sockets A and B\n");
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else if (h->flags & PCIC_FLAG_SOCKETP)
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aprint_normal("socket A only\n");
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else if ((h + 1)->flags & PCIC_FLAG_SOCKETP)
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aprint_normal("socket B only\n");
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else
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aprint_normal("no sockets\n");
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}
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}
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/*
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* attach the sockets before we know what interrupts we have
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*/
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void
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pcic_attach_sockets(struct pcic_softc *sc)
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{
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int i;
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for (i = 0; i < __arraycount(sc->handle); i++)
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if (sc->handle[i].flags & PCIC_FLAG_SOCKETP)
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pcic_attach_socket(&sc->handle[i]);
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}
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void
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pcic_power(int why, void *arg)
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{
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struct pcic_handle *h = arg;
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struct pcic_softc *sc = device_private(h->ph_parent);
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int reg;
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DPRINTF(("%s: power: why %d\n", device_xname(h->ph_parent), why));
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if (h->flags & PCIC_FLAG_SOCKETP) {
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if ((why == PWR_RESUME) &&
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(pcic_read(h, PCIC_CSC_INTR) == 0)) {
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#ifdef PCICDEBUG
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char bitbuf[64];
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#endif
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reg = PCIC_CSC_INTR_CD_ENABLE;
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if (sc->irq != -1)
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reg |= sc->irq << PCIC_CSC_INTR_IRQ_SHIFT;
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pcic_write(h, PCIC_CSC_INTR, reg);
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#ifdef PCICDEBUG
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snprintb(bitbuf, sizeof(bitbuf), PCIC_CSC_INTR_FORMAT,
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pcic_read(h, PCIC_CSC_INTR));
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#endif
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DPRINTF(("%s: CSC_INTR was zero; reset to %s\n",
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device_xname(sc->dev), bitbuf));
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}
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/*
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* check for card insertion or removal during suspend period.
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* XXX: the code can't cope with card swap (remove then insert).
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* how can we detect such situation?
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*/
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if (why == PWR_RESUME)
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(void)pcic_intr_socket(h);
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}
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}
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/*
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* attach a socket -- we don't know about irqs yet
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*/
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void
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pcic_attach_socket(struct pcic_handle *h)
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{
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struct pcmciabus_attach_args paa;
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struct pcic_softc *sc = device_private(h->ph_parent);
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int locs[PCMCIABUSCF_NLOCS];
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/* initialize the rest of the handle */
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h->shutdown = 0;
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h->memalloc = 0;
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h->ioalloc = 0;
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h->ih_irq = 0;
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/* now, config one pcmcia device per socket */
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paa.paa_busname = "pcmcia";
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paa.pct = (pcmcia_chipset_tag_t) sc->pct;
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paa.pch = (pcmcia_chipset_handle_t) h;
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locs[PCMCIABUSCF_CONTROLLER] = h->chip;
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locs[PCMCIABUSCF_SOCKET] = h->socket;
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h->pcmcia = config_found_sm_loc(sc->dev, "pcmciabus", locs, &paa,
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pcic_print, config_stdsubmatch);
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if (h->pcmcia == NULL) {
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h->flags &= ~PCIC_FLAG_SOCKETP;
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return;
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}
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}
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/*
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* now finish attaching the sockets, we are ready to allocate
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* interrupts
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*/
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void
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pcic_attach_sockets_finish(struct pcic_softc *sc)
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{
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int i;
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for (i = 0; i < __arraycount(sc->handle); i++)
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if (sc->handle[i].flags & PCIC_FLAG_SOCKETP)
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pcic_attach_socket_finish(&sc->handle[i]);
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}
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/*
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* finishing attaching the socket. Interrupts may now be on
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* if so expects the pcic interrupt to be blocked
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*/
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void
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pcic_attach_socket_finish(struct pcic_handle *h)
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{
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struct pcic_softc *sc = device_private(h->ph_parent);
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int reg;
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char cs[4];
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DPRINTF(("%s: attach finish socket %ld\n", device_xname(h->ph_parent),
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(long) (h - &sc->handle[0])));
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/*
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* Set up a powerhook to ensure it continues to interrupt on
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* card detect even after suspend.
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* (this works around a bug seen in suspend-to-disk on the
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* Sony VAIO Z505; on resume, the CSC_INTR state is not preserved).
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*/
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powerhook_establish(device_xname(h->ph_parent), pcic_power, h);
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/* enable interrupts on card detect, poll for them if no irq avail */
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reg = PCIC_CSC_INTR_CD_ENABLE;
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if (sc->irq == -1) {
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if (sc->poll_established == 0) {
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callout_init(&sc->poll_ch, 0);
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callout_reset(&sc->poll_ch, hz / 2, pcic_poll_intr, sc);
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sc->poll_established = 1;
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}
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} else
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reg |= sc->irq << PCIC_CSC_INTR_IRQ_SHIFT;
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pcic_write(h, PCIC_CSC_INTR, reg);
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/* steer above mgmt interrupt to configured place */
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if (sc->irq == 0)
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pcic_write(h, PCIC_INTR, PCIC_INTR_ENABLE);
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/* clear possible card detect interrupt */
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(void) pcic_read(h, PCIC_CSC);
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DPRINTF(("%s: attach finish vendor 0x%02x\n",
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device_xname(h->ph_parent), h->vendor));
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/* unsleep the cirrus controller */
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if (h->vendor == PCIC_VENDOR_CIRRUS_PD67XX) {
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reg = pcic_read(h, PCIC_CIRRUS_MISC_CTL_2);
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if (reg & PCIC_CIRRUS_MISC_CTL_2_SUSPEND) {
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DPRINTF(("%s: socket %02x was suspended\n",
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device_xname(h->ph_parent), h->sock));
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reg &= ~PCIC_CIRRUS_MISC_CTL_2_SUSPEND;
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pcic_write(h, PCIC_CIRRUS_MISC_CTL_2, reg);
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}
|
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}
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/* if there's a card there, then attach it. */
|
|
reg = pcic_read(h, PCIC_IF_STATUS);
|
|
if ((reg & PCIC_IF_STATUS_CARDDETECT_MASK) ==
|
|
PCIC_IF_STATUS_CARDDETECT_PRESENT) {
|
|
pcic_queue_event(h, PCIC_EVENT_INSERTION);
|
|
h->laststate = PCIC_LASTSTATE_PRESENT;
|
|
} else {
|
|
h->laststate = PCIC_LASTSTATE_EMPTY;
|
|
}
|
|
|
|
/*
|
|
* queue creation of a kernel thread to handle insert/removal events.
|
|
*/
|
|
#ifdef DIAGNOSTIC
|
|
if (h->event_thread != NULL)
|
|
panic("pcic_attach_socket: event thread");
|
|
#endif
|
|
config_pending_incr(sc->dev);
|
|
snprintf(cs, sizeof(cs), "%d,%d", h->chip, h->socket);
|
|
|
|
if (kthread_create(PRI_NONE, 0, NULL, pcic_event_thread, h,
|
|
&h->event_thread, "%s,%s", device_xname(h->ph_parent), cs)) {
|
|
aprint_error_dev(h->ph_parent,
|
|
"unable to create event thread for sock 0x%02x\n", h->sock);
|
|
panic("pcic_attach_socket");
|
|
}
|
|
}
|
|
|
|
void
|
|
pcic_event_thread(void *arg)
|
|
{
|
|
struct pcic_handle *h = arg;
|
|
struct pcic_event *pe;
|
|
int s, first = 1;
|
|
struct pcic_softc *sc = device_private(h->ph_parent);
|
|
|
|
while (h->shutdown == 0) {
|
|
/*
|
|
* Serialize event processing on the PCIC. We may
|
|
* sleep while we hold this lock.
|
|
*/
|
|
mutex_enter(&sc->sc_pcic_lock);
|
|
|
|
s = splhigh();
|
|
if ((pe = SIMPLEQ_FIRST(&h->events)) == NULL) {
|
|
splx(s);
|
|
if (first) {
|
|
first = 0;
|
|
config_pending_decr(sc->dev);
|
|
}
|
|
/*
|
|
* No events to process; release the PCIC lock.
|
|
*/
|
|
(void) mutex_exit(&sc->sc_pcic_lock);
|
|
(void) tsleep(&h->events, PWAIT, "pcicev", 0);
|
|
continue;
|
|
} else {
|
|
splx(s);
|
|
/* sleep .25s to be enqueued chatterling interrupts */
|
|
(void) tsleep((void *)pcic_event_thread, PWAIT,
|
|
"pcicss", hz / 4);
|
|
}
|
|
s = splhigh();
|
|
SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
|
|
splx(s);
|
|
|
|
switch (pe->pe_type) {
|
|
case PCIC_EVENT_INSERTION:
|
|
s = splhigh();
|
|
for (;;) {
|
|
struct pcic_event *pe1, *pe2;
|
|
|
|
if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
|
|
break;
|
|
if (pe1->pe_type != PCIC_EVENT_REMOVAL)
|
|
break;
|
|
if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
|
|
break;
|
|
if (pe2->pe_type == PCIC_EVENT_INSERTION) {
|
|
SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
|
|
free(pe1, M_TEMP);
|
|
SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
|
|
free(pe2, M_TEMP);
|
|
}
|
|
}
|
|
splx(s);
|
|
|
|
DPRINTF(("%s: insertion event\n",
|
|
device_xname(h->ph_parent)));
|
|
pcic_attach_card(h);
|
|
break;
|
|
|
|
case PCIC_EVENT_REMOVAL:
|
|
s = splhigh();
|
|
for (;;) {
|
|
struct pcic_event *pe1, *pe2;
|
|
|
|
if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL)
|
|
break;
|
|
if (pe1->pe_type != PCIC_EVENT_INSERTION)
|
|
break;
|
|
if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL)
|
|
break;
|
|
if (pe2->pe_type == PCIC_EVENT_REMOVAL) {
|
|
SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
|
|
free(pe1, M_TEMP);
|
|
SIMPLEQ_REMOVE_HEAD(&h->events, pe_q);
|
|
free(pe2, M_TEMP);
|
|
}
|
|
}
|
|
splx(s);
|
|
|
|
DPRINTF(("%s: removal event\n",
|
|
device_xname(h->ph_parent)));
|
|
pcic_detach_card(h, DETACH_FORCE);
|
|
break;
|
|
|
|
default:
|
|
panic("pcic_event_thread: unknown event %d",
|
|
pe->pe_type);
|
|
}
|
|
free(pe, M_TEMP);
|
|
|
|
mutex_exit(&sc->sc_pcic_lock);
|
|
}
|
|
|
|
h->event_thread = NULL;
|
|
|
|
/* In case parent is waiting for us to exit. */
|
|
wakeup(sc);
|
|
|
|
kthread_exit(0);
|
|
}
|
|
|
|
int
|
|
pcic_print(void *arg, const char *pnp)
|
|
{
|
|
struct pcmciabus_attach_args *paa = arg;
|
|
struct pcic_handle *h = (struct pcic_handle *) paa->pch;
|
|
|
|
/* Only "pcmcia"s can attach to "pcic"s... easy. */
|
|
if (pnp)
|
|
aprint_normal("pcmcia at %s", pnp);
|
|
|
|
aprint_normal(" controller %d socket %d", h->chip, h->socket);
|
|
|
|
return UNCONF;
|
|
}
|
|
|
|
void
|
|
pcic_poll_intr(void *arg)
|
|
{
|
|
struct pcic_softc *sc;
|
|
int i, s;
|
|
|
|
s = spltty();
|
|
sc = arg;
|
|
for (i = 0; i < __arraycount(sc->handle); i++)
|
|
if (sc->handle[i].flags & PCIC_FLAG_SOCKETP)
|
|
(void)pcic_intr_socket(&sc->handle[i]);
|
|
callout_reset(&sc->poll_ch, hz / 2, pcic_poll_intr, sc);
|
|
splx(s);
|
|
}
|
|
|
|
int
|
|
pcic_intr(void *arg)
|
|
{
|
|
struct pcic_softc *sc = arg;
|
|
int i, ret = 0;
|
|
|
|
DPRINTF(("%s: intr\n", device_xname(sc->dev)));
|
|
|
|
for (i = 0; i < __arraycount(sc->handle); i++)
|
|
if (sc->handle[i].flags & PCIC_FLAG_SOCKETP)
|
|
ret += pcic_intr_socket(&sc->handle[i]);
|
|
|
|
return ret ? 1 : 0;
|
|
}
|
|
|
|
int
|
|
pcic_intr_socket(struct pcic_handle *h)
|
|
{
|
|
int cscreg;
|
|
|
|
cscreg = pcic_read(h, PCIC_CSC);
|
|
|
|
cscreg &= (PCIC_CSC_GPI |
|
|
PCIC_CSC_CD |
|
|
PCIC_CSC_READY |
|
|
PCIC_CSC_BATTWARN |
|
|
PCIC_CSC_BATTDEAD);
|
|
|
|
if (cscreg & PCIC_CSC_GPI) {
|
|
DPRINTF(("%s: %02x GPI\n",
|
|
device_xname(h->ph_parent), h->sock));
|
|
}
|
|
if (cscreg & PCIC_CSC_CD) {
|
|
int statreg;
|
|
|
|
statreg = pcic_read(h, PCIC_IF_STATUS);
|
|
|
|
DPRINTF(("%s: %02x CD %x\n", device_xname(h->ph_parent),
|
|
h->sock, statreg));
|
|
|
|
if ((statreg & PCIC_IF_STATUS_CARDDETECT_MASK) ==
|
|
PCIC_IF_STATUS_CARDDETECT_PRESENT) {
|
|
if (h->laststate != PCIC_LASTSTATE_PRESENT) {
|
|
DPRINTF(("%s: enqueing INSERTION event\n",
|
|
device_xname(h->ph_parent)));
|
|
pcic_queue_event(h, PCIC_EVENT_INSERTION);
|
|
}
|
|
h->laststate = PCIC_LASTSTATE_PRESENT;
|
|
} else {
|
|
if (h->laststate == PCIC_LASTSTATE_PRESENT) {
|
|
/* Deactivate the card now. */
|
|
DPRINTF(("%s: deactivating card\n",
|
|
device_xname(h->ph_parent)));
|
|
pcic_deactivate_card(h);
|
|
|
|
DPRINTF(("%s: enqueing REMOVAL event\n",
|
|
device_xname(h->ph_parent)));
|
|
pcic_queue_event(h, PCIC_EVENT_REMOVAL);
|
|
}
|
|
h->laststate = PCIC_LASTSTATE_EMPTY;
|
|
}
|
|
}
|
|
if (cscreg & PCIC_CSC_READY) {
|
|
DPRINTF(("%s: %02x READY\n", device_xname(h->ph_parent),
|
|
h->sock));
|
|
/* shouldn't happen */
|
|
}
|
|
if (cscreg & PCIC_CSC_BATTWARN) {
|
|
DPRINTF(("%s: %02x BATTWARN\n", device_xname(h->ph_parent),
|
|
h->sock));
|
|
}
|
|
if (cscreg & PCIC_CSC_BATTDEAD) {
|
|
DPRINTF(("%s: %02x BATTDEAD\n", device_xname(h->ph_parent),
|
|
h->sock));
|
|
}
|
|
return cscreg ? 1 : 0;
|
|
}
|
|
|
|
void
|
|
pcic_queue_event(struct pcic_handle *h, int event)
|
|
{
|
|
struct pcic_event *pe;
|
|
int s;
|
|
|
|
pe = malloc(sizeof(*pe), M_TEMP, M_NOWAIT);
|
|
if (pe == NULL)
|
|
panic("pcic_queue_event: can't allocate event");
|
|
|
|
pe->pe_type = event;
|
|
s = splhigh();
|
|
SIMPLEQ_INSERT_TAIL(&h->events, pe, pe_q);
|
|
splx(s);
|
|
wakeup(&h->events);
|
|
}
|
|
|
|
void
|
|
pcic_attach_card(struct pcic_handle *h)
|
|
{
|
|
|
|
if ((h->flags & PCIC_FLAG_CARDP) == 0) {
|
|
/* call the MI attach function */
|
|
pcmcia_card_attach(h->pcmcia);
|
|
|
|
h->flags |= PCIC_FLAG_CARDP;
|
|
} else {
|
|
DPRINTF(("pcic_attach_card: already attached"));
|
|
}
|
|
}
|
|
|
|
void
|
|
pcic_detach_card(struct pcic_handle *h, int flags)
|
|
/* flags: DETACH_* */
|
|
{
|
|
|
|
if (h->flags & PCIC_FLAG_CARDP) {
|
|
h->flags &= ~PCIC_FLAG_CARDP;
|
|
|
|
/* call the MI detach function */
|
|
pcmcia_card_detach(h->pcmcia, flags);
|
|
} else {
|
|
DPRINTF(("pcic_detach_card: already detached"));
|
|
}
|
|
}
|
|
|
|
void
|
|
pcic_deactivate_card(struct pcic_handle *h)
|
|
{
|
|
int intr;
|
|
|
|
/* call the MI deactivate function */
|
|
pcmcia_card_deactivate(h->pcmcia);
|
|
|
|
/* reset the socket */
|
|
intr = pcic_read(h, PCIC_INTR);
|
|
intr &= PCIC_INTR_ENABLE;
|
|
pcic_write(h, PCIC_INTR, intr);
|
|
|
|
/* power down the socket */
|
|
pcic_write(h, PCIC_PWRCTL, 0);
|
|
}
|
|
|
|
int
|
|
pcic_chip_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size,
|
|
struct pcmcia_mem_handle *pcmhp)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
bus_space_handle_t memh;
|
|
bus_addr_t addr;
|
|
bus_size_t sizepg;
|
|
int i, mask, mhandle;
|
|
struct pcic_softc *sc = device_private(h->ph_parent);
|
|
|
|
/* out of sc->memh, allocate as many pages as necessary */
|
|
|
|
/* convert size to PCIC pages */
|
|
sizepg = (size + (PCIC_MEM_ALIGN - 1)) / PCIC_MEM_ALIGN;
|
|
if (sizepg > PCIC_MAX_MEM_PAGES)
|
|
return 1;
|
|
|
|
mask = (1 << sizepg) - 1;
|
|
|
|
addr = 0; /* XXX gcc -Wuninitialized */
|
|
mhandle = 0; /* XXX gcc -Wuninitialized */
|
|
|
|
for (i = 0; i <= PCIC_MAX_MEM_PAGES - sizepg; i++) {
|
|
if ((sc->subregionmask & (mask << i)) == (mask << i)) {
|
|
if (bus_space_subregion(sc->memt, sc->memh,
|
|
i * PCIC_MEM_PAGESIZE,
|
|
sizepg * PCIC_MEM_PAGESIZE, &memh))
|
|
return 1;
|
|
mhandle = mask << i;
|
|
addr = sc->membase + (i * PCIC_MEM_PAGESIZE);
|
|
sc->subregionmask &= ~(mhandle);
|
|
pcmhp->memt = sc->memt;
|
|
pcmhp->memh = memh;
|
|
pcmhp->addr = addr;
|
|
pcmhp->size = size;
|
|
pcmhp->mhandle = mhandle;
|
|
pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
pcic_chip_mem_free(pcmcia_chipset_handle_t pch, struct pcmcia_mem_handle *pcmhp)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
struct pcic_softc *sc = device_private(h->ph_parent);
|
|
|
|
sc->subregionmask |= pcmhp->mhandle;
|
|
}
|
|
|
|
static const struct mem_map_index_st {
|
|
int sysmem_start_lsb;
|
|
int sysmem_start_msb;
|
|
int sysmem_stop_lsb;
|
|
int sysmem_stop_msb;
|
|
int cardmem_lsb;
|
|
int cardmem_msb;
|
|
int memenable;
|
|
} mem_map_index[] = {
|
|
{
|
|
PCIC_SYSMEM_ADDR0_START_LSB,
|
|
PCIC_SYSMEM_ADDR0_START_MSB,
|
|
PCIC_SYSMEM_ADDR0_STOP_LSB,
|
|
PCIC_SYSMEM_ADDR0_STOP_MSB,
|
|
PCIC_CARDMEM_ADDR0_LSB,
|
|
PCIC_CARDMEM_ADDR0_MSB,
|
|
PCIC_ADDRWIN_ENABLE_MEM0,
|
|
},
|
|
{
|
|
PCIC_SYSMEM_ADDR1_START_LSB,
|
|
PCIC_SYSMEM_ADDR1_START_MSB,
|
|
PCIC_SYSMEM_ADDR1_STOP_LSB,
|
|
PCIC_SYSMEM_ADDR1_STOP_MSB,
|
|
PCIC_CARDMEM_ADDR1_LSB,
|
|
PCIC_CARDMEM_ADDR1_MSB,
|
|
PCIC_ADDRWIN_ENABLE_MEM1,
|
|
},
|
|
{
|
|
PCIC_SYSMEM_ADDR2_START_LSB,
|
|
PCIC_SYSMEM_ADDR2_START_MSB,
|
|
PCIC_SYSMEM_ADDR2_STOP_LSB,
|
|
PCIC_SYSMEM_ADDR2_STOP_MSB,
|
|
PCIC_CARDMEM_ADDR2_LSB,
|
|
PCIC_CARDMEM_ADDR2_MSB,
|
|
PCIC_ADDRWIN_ENABLE_MEM2,
|
|
},
|
|
{
|
|
PCIC_SYSMEM_ADDR3_START_LSB,
|
|
PCIC_SYSMEM_ADDR3_START_MSB,
|
|
PCIC_SYSMEM_ADDR3_STOP_LSB,
|
|
PCIC_SYSMEM_ADDR3_STOP_MSB,
|
|
PCIC_CARDMEM_ADDR3_LSB,
|
|
PCIC_CARDMEM_ADDR3_MSB,
|
|
PCIC_ADDRWIN_ENABLE_MEM3,
|
|
},
|
|
{
|
|
PCIC_SYSMEM_ADDR4_START_LSB,
|
|
PCIC_SYSMEM_ADDR4_START_MSB,
|
|
PCIC_SYSMEM_ADDR4_STOP_LSB,
|
|
PCIC_SYSMEM_ADDR4_STOP_MSB,
|
|
PCIC_CARDMEM_ADDR4_LSB,
|
|
PCIC_CARDMEM_ADDR4_MSB,
|
|
PCIC_ADDRWIN_ENABLE_MEM4,
|
|
},
|
|
};
|
|
|
|
void
|
|
pcic_chip_do_mem_map(struct pcic_handle *h, int win)
|
|
{
|
|
int reg;
|
|
int kind = h->mem[win].kind & ~PCMCIA_WIDTH_MEM_MASK;
|
|
int mem8 =
|
|
(h->mem[win].kind & PCMCIA_WIDTH_MEM_MASK) == PCMCIA_WIDTH_MEM8
|
|
|| (kind == PCMCIA_MEM_ATTR);
|
|
|
|
DPRINTF(("mem8 %d\n", mem8));
|
|
/* mem8 = 1; */
|
|
|
|
pcic_write(h, mem_map_index[win].sysmem_start_lsb,
|
|
(h->mem[win].addr >> PCIC_SYSMEM_ADDRX_SHIFT) & 0xff);
|
|
pcic_write(h, mem_map_index[win].sysmem_start_msb,
|
|
((h->mem[win].addr >> (PCIC_SYSMEM_ADDRX_SHIFT + 8)) &
|
|
PCIC_SYSMEM_ADDRX_START_MSB_ADDR_MASK) |
|
|
(mem8 ? 0 : PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT));
|
|
|
|
pcic_write(h, mem_map_index[win].sysmem_stop_lsb,
|
|
((h->mem[win].addr + h->mem[win].size) >>
|
|
PCIC_SYSMEM_ADDRX_SHIFT) & 0xff);
|
|
pcic_write(h, mem_map_index[win].sysmem_stop_msb,
|
|
(((h->mem[win].addr + h->mem[win].size) >>
|
|
(PCIC_SYSMEM_ADDRX_SHIFT + 8)) &
|
|
PCIC_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) |
|
|
PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2);
|
|
|
|
pcic_write(h, mem_map_index[win].cardmem_lsb,
|
|
(h->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff);
|
|
pcic_write(h, mem_map_index[win].cardmem_msb,
|
|
((h->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8)) &
|
|
PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK) |
|
|
((kind == PCMCIA_MEM_ATTR) ?
|
|
PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0));
|
|
|
|
reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
|
|
reg |= (mem_map_index[win].memenable | PCIC_ADDRWIN_ENABLE_MEMCS16);
|
|
pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
delay(100);
|
|
|
|
#ifdef PCICDEBUG
|
|
{
|
|
int r1, r2, r3, r4, r5, r6;
|
|
|
|
r1 = pcic_read(h, mem_map_index[win].sysmem_start_msb);
|
|
r2 = pcic_read(h, mem_map_index[win].sysmem_start_lsb);
|
|
r3 = pcic_read(h, mem_map_index[win].sysmem_stop_msb);
|
|
r4 = pcic_read(h, mem_map_index[win].sysmem_stop_lsb);
|
|
r5 = pcic_read(h, mem_map_index[win].cardmem_msb);
|
|
r6 = pcic_read(h, mem_map_index[win].cardmem_lsb);
|
|
|
|
DPRINTF(("pcic_chip_do_mem_map window %d: %02x%02x %02x%02x "
|
|
"%02x%02x\n", win, r1, r2, r3, r4, r5, r6));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
int
|
|
pcic_chip_mem_map(pcmcia_chipset_handle_t pch, int kind, bus_addr_t card_addr,
|
|
bus_size_t size, struct pcmcia_mem_handle *pcmhp, bus_size_t *offsetp,
|
|
int *windowp)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
bus_addr_t busaddr;
|
|
long card_offset;
|
|
int i, win;
|
|
|
|
win = -1;
|
|
for (i = 0; i < (sizeof(mem_map_index) / sizeof(mem_map_index[0]));
|
|
i++) {
|
|
if ((h->memalloc & (1 << i)) == 0) {
|
|
win = i;
|
|
h->memalloc |= (1 << i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (win == -1)
|
|
return 1;
|
|
|
|
*windowp = win;
|
|
|
|
/* XXX this is pretty gross */
|
|
|
|
{
|
|
struct pcic_softc *sc = device_private(h->ph_parent);
|
|
if (!bus_space_is_equal(sc->memt, pcmhp->memt))
|
|
panic("pcic_chip_mem_map memt is bogus");
|
|
}
|
|
|
|
busaddr = pcmhp->addr;
|
|
|
|
/*
|
|
* compute the address offset to the pcmcia address space for the
|
|
* pcic. this is intentionally signed. The masks and shifts below
|
|
* will cause TRT to happen in the pcic registers. Deal with making
|
|
* sure the address is aligned, and return the alignment offset.
|
|
*/
|
|
|
|
*offsetp = card_addr % PCIC_MEM_ALIGN;
|
|
card_addr -= *offsetp;
|
|
|
|
DPRINTF(("pcic_chip_mem_map window %d bus %lx+%lx+%lx at card addr "
|
|
"%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size,
|
|
(u_long) card_addr));
|
|
|
|
/*
|
|
* include the offset in the size, and decrement size by one, since
|
|
* the hw wants start/stop
|
|
*/
|
|
size += *offsetp - 1;
|
|
|
|
card_offset = (((long) card_addr) - ((long) busaddr));
|
|
|
|
h->mem[win].addr = busaddr;
|
|
h->mem[win].size = size;
|
|
h->mem[win].offset = card_offset;
|
|
h->mem[win].kind = kind;
|
|
|
|
pcic_chip_do_mem_map(h, win);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
pcic_chip_mem_unmap(pcmcia_chipset_handle_t pch, int window)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
int reg;
|
|
|
|
if (window >= (sizeof(mem_map_index) / sizeof(mem_map_index[0])))
|
|
panic("pcic_chip_mem_unmap: window out of range");
|
|
|
|
reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
|
|
reg &= ~mem_map_index[window].memenable;
|
|
pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
h->memalloc &= ~(1 << window);
|
|
}
|
|
|
|
int
|
|
pcic_chip_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start,
|
|
bus_size_t size, bus_size_t align, struct pcmcia_io_handle *pcihp)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t ioh;
|
|
bus_addr_t ioaddr;
|
|
int flags = 0;
|
|
struct pcic_softc *sc = device_private(h->ph_parent);
|
|
|
|
/*
|
|
* Allocate some arbitrary I/O space.
|
|
*/
|
|
|
|
iot = sc->iot;
|
|
|
|
if (start) {
|
|
ioaddr = start;
|
|
if (bus_space_map(iot, start, size, 0, &ioh))
|
|
return 1;
|
|
DPRINTF(("pcic_chip_io_alloc map port %lx+%lx\n",
|
|
(u_long) ioaddr, (u_long) size));
|
|
} else {
|
|
flags |= PCMCIA_IO_ALLOCATED;
|
|
if (bus_space_alloc(iot, sc->iobase,
|
|
sc->iobase + sc->iosize, size, align, 0, 0,
|
|
&ioaddr, &ioh))
|
|
return 1;
|
|
DPRINTF(("pcic_chip_io_alloc alloc port %lx+%lx\n",
|
|
(u_long) ioaddr, (u_long) size));
|
|
}
|
|
|
|
pcihp->iot = iot;
|
|
pcihp->ioh = ioh;
|
|
pcihp->addr = ioaddr;
|
|
pcihp->size = size;
|
|
pcihp->flags = flags;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
pcic_chip_io_free(pcmcia_chipset_handle_t pch, struct pcmcia_io_handle *pcihp)
|
|
{
|
|
bus_space_tag_t iot = pcihp->iot;
|
|
bus_space_handle_t ioh = pcihp->ioh;
|
|
bus_size_t size = pcihp->size;
|
|
|
|
if (pcihp->flags & PCMCIA_IO_ALLOCATED)
|
|
bus_space_free(iot, ioh, size);
|
|
else
|
|
bus_space_unmap(iot, ioh, size);
|
|
}
|
|
|
|
|
|
static const struct io_map_index_st {
|
|
int start_lsb;
|
|
int start_msb;
|
|
int stop_lsb;
|
|
int stop_msb;
|
|
int ioenable;
|
|
int ioctlmask;
|
|
int ioctlbits[3]; /* indexed by PCMCIA_WIDTH_* */
|
|
} io_map_index[] = {
|
|
{
|
|
PCIC_IOADDR0_START_LSB,
|
|
PCIC_IOADDR0_START_MSB,
|
|
PCIC_IOADDR0_STOP_LSB,
|
|
PCIC_IOADDR0_STOP_MSB,
|
|
PCIC_ADDRWIN_ENABLE_IO0,
|
|
PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT |
|
|
PCIC_IOCTL_IO0_IOCS16SRC_MASK | PCIC_IOCTL_IO0_DATASIZE_MASK,
|
|
{
|
|
PCIC_IOCTL_IO0_IOCS16SRC_CARD,
|
|
PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE |
|
|
PCIC_IOCTL_IO0_DATASIZE_8BIT,
|
|
PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE |
|
|
PCIC_IOCTL_IO0_DATASIZE_16BIT,
|
|
},
|
|
},
|
|
{
|
|
PCIC_IOADDR1_START_LSB,
|
|
PCIC_IOADDR1_START_MSB,
|
|
PCIC_IOADDR1_STOP_LSB,
|
|
PCIC_IOADDR1_STOP_MSB,
|
|
PCIC_ADDRWIN_ENABLE_IO1,
|
|
PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT |
|
|
PCIC_IOCTL_IO1_IOCS16SRC_MASK | PCIC_IOCTL_IO1_DATASIZE_MASK,
|
|
{
|
|
PCIC_IOCTL_IO1_IOCS16SRC_CARD,
|
|
PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE |
|
|
PCIC_IOCTL_IO1_DATASIZE_8BIT,
|
|
PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE |
|
|
PCIC_IOCTL_IO1_DATASIZE_16BIT,
|
|
},
|
|
},
|
|
};
|
|
|
|
void
|
|
pcic_chip_do_io_map(struct pcic_handle *h, int win)
|
|
{
|
|
int reg;
|
|
|
|
DPRINTF(("pcic_chip_do_io_map win %d addr %lx size %lx width %d\n",
|
|
win, (long) h->io[win].addr, (long) h->io[win].size,
|
|
h->io[win].width * 8));
|
|
|
|
pcic_write(h, io_map_index[win].start_lsb, h->io[win].addr & 0xff);
|
|
pcic_write(h, io_map_index[win].start_msb,
|
|
(h->io[win].addr >> 8) & 0xff);
|
|
|
|
pcic_write(h, io_map_index[win].stop_lsb,
|
|
(h->io[win].addr + h->io[win].size - 1) & 0xff);
|
|
pcic_write(h, io_map_index[win].stop_msb,
|
|
((h->io[win].addr + h->io[win].size - 1) >> 8) & 0xff);
|
|
|
|
reg = pcic_read(h, PCIC_IOCTL);
|
|
reg &= ~io_map_index[win].ioctlmask;
|
|
reg |= io_map_index[win].ioctlbits[h->io[win].width];
|
|
pcic_write(h, PCIC_IOCTL, reg);
|
|
|
|
reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
|
|
reg |= io_map_index[win].ioenable;
|
|
pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
|
|
}
|
|
|
|
int
|
|
pcic_chip_io_map(pcmcia_chipset_handle_t pch, int width, bus_addr_t offset,
|
|
bus_size_t size, struct pcmcia_io_handle *pcihp, int *windowp)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
bus_addr_t ioaddr = pcihp->addr + offset;
|
|
int i, win;
|
|
#ifdef PCICDEBUG
|
|
static const char *width_names[] = { "auto", "io8", "io16" };
|
|
#endif
|
|
struct pcic_softc *sc = device_private(h->ph_parent);
|
|
|
|
/* XXX Sanity check offset/size. */
|
|
|
|
win = -1;
|
|
for (i = 0; i < (sizeof(io_map_index) / sizeof(io_map_index[0])); i++) {
|
|
if ((h->ioalloc & (1 << i)) == 0) {
|
|
win = i;
|
|
h->ioalloc |= (1 << i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (win == -1)
|
|
return 1;
|
|
|
|
*windowp = win;
|
|
|
|
/* XXX this is pretty gross */
|
|
|
|
if (!bus_space_is_equal(sc->iot, pcihp->iot))
|
|
panic("pcic_chip_io_map iot is bogus");
|
|
|
|
DPRINTF(("pcic_chip_io_map window %d %s port %lx+%lx\n",
|
|
win, width_names[width], (u_long) ioaddr, (u_long) size));
|
|
|
|
/* XXX wtf is this doing here? */
|
|
|
|
printf("%s: port 0x%lx", device_xname(sc->dev), (u_long) ioaddr);
|
|
if (size > 1)
|
|
printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1);
|
|
printf("\n");
|
|
|
|
h->io[win].addr = ioaddr;
|
|
h->io[win].size = size;
|
|
h->io[win].width = width;
|
|
|
|
pcic_chip_do_io_map(h, win);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
pcic_chip_io_unmap(pcmcia_chipset_handle_t pch, int window)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
int reg;
|
|
|
|
if (window >= (sizeof(io_map_index) / sizeof(io_map_index[0])))
|
|
panic("pcic_chip_io_unmap: window out of range");
|
|
|
|
reg = pcic_read(h, PCIC_ADDRWIN_ENABLE);
|
|
reg &= ~io_map_index[window].ioenable;
|
|
pcic_write(h, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
h->ioalloc &= ~(1 << window);
|
|
}
|
|
|
|
static int
|
|
pcic_wait_ready(struct pcic_handle *h)
|
|
{
|
|
uint8_t stat;
|
|
int i;
|
|
|
|
/* wait an initial 10ms for quick cards */
|
|
stat = pcic_read(h, PCIC_IF_STATUS);
|
|
if (stat & PCIC_IF_STATUS_READY)
|
|
return 0;
|
|
pcic_delay(h, 10, "pccwr0");
|
|
for (i = 0; i < 50; i++) {
|
|
stat = pcic_read(h, PCIC_IF_STATUS);
|
|
if (stat & PCIC_IF_STATUS_READY)
|
|
return 0;
|
|
if ((stat & PCIC_IF_STATUS_CARDDETECT_MASK) !=
|
|
PCIC_IF_STATUS_CARDDETECT_PRESENT)
|
|
return ENXIO;
|
|
/* wait .1s (100ms) each iteration now */
|
|
pcic_delay(h, 100, "pccwr1");
|
|
}
|
|
|
|
printf("pcic_wait_ready: ready never happened, status=%02x\n", stat);
|
|
return EWOULDBLOCK;
|
|
}
|
|
|
|
/*
|
|
* Perform long (msec order) delay.
|
|
*/
|
|
static void
|
|
pcic_delay(struct pcic_handle *h, int timo, const char *wmesg)
|
|
/* timo: in ms. must not be zero */
|
|
{
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (timo <= 0)
|
|
panic("pcic_delay: called with timeout %d", timo);
|
|
if (!curlwp)
|
|
panic("pcic_delay: called in interrupt context");
|
|
if (!h->event_thread)
|
|
panic("pcic_delay: no event thread");
|
|
#endif
|
|
DPRINTF(("pcic_delay: \"%s\" %p, sleep %d ms\n",
|
|
wmesg, h->event_thread, timo));
|
|
if (doing_shutdown)
|
|
delay(timo * 1000);
|
|
else
|
|
tsleep(pcic_delay, PWAIT, wmesg,
|
|
roundup(timo * hz, 1000) / 1000);
|
|
}
|
|
|
|
void
|
|
pcic_chip_socket_enable(pcmcia_chipset_handle_t pch)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
int win;
|
|
uint8_t power, intr;
|
|
#ifdef DIAGNOSTIC
|
|
int reg;
|
|
#endif
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (h->flags & PCIC_FLAG_ENABLED)
|
|
printf("pcic_chip_socket_enable: enabling twice\n");
|
|
#endif
|
|
|
|
/* disable interrupts; assert RESET */
|
|
intr = pcic_read(h, PCIC_INTR);
|
|
intr &= PCIC_INTR_ENABLE;
|
|
pcic_write(h, PCIC_INTR, intr);
|
|
|
|
/* zero out the address windows */
|
|
pcic_write(h, PCIC_ADDRWIN_ENABLE, 0);
|
|
|
|
/* power off; assert output enable bit */
|
|
power = PCIC_PWRCTL_OE;
|
|
pcic_write(h, PCIC_PWRCTL, power);
|
|
|
|
/*
|
|
* power hack for RICOH RF5C[23]96
|
|
*/
|
|
switch (h->vendor) {
|
|
case PCIC_VENDOR_RICOH_5C296:
|
|
case PCIC_VENDOR_RICOH_5C396:
|
|
{
|
|
int regtmp;
|
|
regtmp = pcic_read(h, PCIC_RICOH_REG_MCR2);
|
|
#ifdef RICOH_POWER_HACK
|
|
regtmp |= PCIC_RICOH_MCR2_VCC_DIRECT;
|
|
#else
|
|
regtmp &=
|
|
~(PCIC_RICOH_MCR2_VCC_DIRECT|PCIC_RICOH_MCR2_VCC_SEL_3V);
|
|
#endif
|
|
pcic_write(h, PCIC_RICOH_REG_MCR2, regtmp);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
#ifdef VADEM_POWER_HACK
|
|
bus_space_write_1(sc->iot, sc->ioh, PCIC_REG_INDEX, 0x0e);
|
|
bus_space_write_1(sc->iot, sc->ioh, PCIC_REG_INDEX, 0x37);
|
|
printf("prcr = %02x\n", pcic_read(h, 0x02));
|
|
printf("cvsr = %02x\n", pcic_read(h, 0x2f));
|
|
printf("DANGER WILL ROBINSON! Changing voltage select!\n");
|
|
pcic_write(h, 0x2f, pcic_read(h, 0x2f) & ~0x03);
|
|
printf("cvsr = %02x\n", pcic_read(h, 0x2f));
|
|
#endif
|
|
|
|
/* power up the socket */
|
|
power |= PCIC_PWRCTL_PWR_ENABLE | PCIC_PWRCTL_VPP1_VCC;
|
|
pcic_write(h, PCIC_PWRCTL, power);
|
|
|
|
/*
|
|
* Table 4-18 and figure 4-6 of the PC Card specifiction say:
|
|
* Vcc Rising Time (Tpr) = 100ms
|
|
* RESET Width (Th (Hi-z RESET)) = 1ms
|
|
* RESET Width (Tw (RESET)) = 10us
|
|
*
|
|
* some machines require some more time to be settled
|
|
* (100ms is added here).
|
|
*/
|
|
pcic_delay(h, 200 + 1, "pccen1");
|
|
|
|
/* negate RESET */
|
|
intr |= PCIC_INTR_RESET;
|
|
pcic_write(h, PCIC_INTR, intr);
|
|
|
|
/*
|
|
* RESET Setup Time (Tsu (RESET)) = 20ms
|
|
*/
|
|
pcic_delay(h, 20, "pccen2");
|
|
|
|
#ifdef DIAGNOSTIC
|
|
reg = pcic_read(h, PCIC_IF_STATUS);
|
|
if ((reg & PCIC_IF_STATUS_POWERACTIVE) == 0)
|
|
printf("pcic_chip_socket_enable: no power, status=%x\n", reg);
|
|
#endif
|
|
|
|
/* wait for the chip to finish initializing */
|
|
if (pcic_wait_ready(h)) {
|
|
/* XXX return a failure status?? */
|
|
pcic_write(h, PCIC_PWRCTL, 0);
|
|
return;
|
|
}
|
|
|
|
/* reinstall all the memory and io mappings */
|
|
for (win = 0; win < PCIC_MEM_WINS; win++)
|
|
if (h->memalloc & (1 << win))
|
|
pcic_chip_do_mem_map(h, win);
|
|
for (win = 0; win < PCIC_IO_WINS; win++)
|
|
if (h->ioalloc & (1 << win))
|
|
pcic_chip_do_io_map(h, win);
|
|
|
|
h->flags |= PCIC_FLAG_ENABLED;
|
|
}
|
|
|
|
void
|
|
pcic_chip_socket_disable(pcmcia_chipset_handle_t pch)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
uint8_t intr;
|
|
|
|
DPRINTF(("pcic_chip_socket_disable\n"));
|
|
|
|
/* disable interrupts; assert RESET */
|
|
intr = pcic_read(h, PCIC_INTR);
|
|
intr &= PCIC_INTR_ENABLE;
|
|
pcic_write(h, PCIC_INTR, intr);
|
|
|
|
/* zero out the address windows */
|
|
pcic_write(h, PCIC_ADDRWIN_ENABLE, 0);
|
|
|
|
/* disable socket: negate output enable bit and power off */
|
|
pcic_write(h, PCIC_PWRCTL, 0);
|
|
|
|
/*
|
|
* Vcc Falling Time (Tpf) = 300ms
|
|
*/
|
|
pcic_delay(h, 300, "pccwr1");
|
|
|
|
h->flags &= ~PCIC_FLAG_ENABLED;
|
|
}
|
|
|
|
void
|
|
pcic_chip_socket_settype(pcmcia_chipset_handle_t pch, int type)
|
|
{
|
|
struct pcic_handle *h = (struct pcic_handle *) pch;
|
|
int intr;
|
|
|
|
intr = pcic_read(h, PCIC_INTR);
|
|
intr &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_CARDTYPE_MASK);
|
|
if (type == PCMCIA_IFTYPE_IO) {
|
|
intr |= PCIC_INTR_CARDTYPE_IO;
|
|
intr |= h->ih_irq << PCIC_INTR_IRQ_SHIFT;
|
|
} else
|
|
intr |= PCIC_INTR_CARDTYPE_MEM;
|
|
pcic_write(h, PCIC_INTR, intr);
|
|
|
|
DPRINTF(("%s: pcic_chip_socket_settype %02x type %s %02x\n",
|
|
device_xname(h->ph_parent), h->sock,
|
|
((type == PCMCIA_IFTYPE_IO) ? "io" : "mem"), intr));
|
|
}
|
|
|
|
static uint8_t
|
|
st_pcic_read(struct pcic_handle *h, int idx)
|
|
{
|
|
|
|
if (idx != -1)
|
|
bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_INDEX,
|
|
h->sock + idx);
|
|
return bus_space_read_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_DATA);
|
|
}
|
|
|
|
static void
|
|
st_pcic_write(struct pcic_handle *h, int idx, uint8_t data)
|
|
{
|
|
|
|
if (idx != -1)
|
|
bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_INDEX,
|
|
h->sock + idx);
|
|
bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_DATA, data);
|
|
}
|