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NetBSD/sys/dev/pci/pccbb.c

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/* $NetBSD: pccbb.c,v 1.9 1999/12/20 08:11:42 haya Exp $ */
/*
* Copyright (c) 1998 and 1999 HAYAKAWA Koichi. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by HAYAKAWA Koichi.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
#define CBB_DEBUG
#define SHOW_REGS
#define PCCBB_PCMCIA_POLL
*/
/* #define CBB_DEBUG */
/*
#define CB_PCMCIA_POLL
#define CB_PCMCIA_POLL_ONLY
#define LEVEL2
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pccbbreg.h>
#include <dev/cardbus/cardslotvar.h>
#include <dev/cardbus/cardbusvar.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/ic/i82365reg.h>
#include <dev/ic/i82365var.h>
#include <dev/pci/pccbbvar.h>
#include "locators.h"
#ifndef __NetBSD_Version__
struct cfdriver cbb_cd = {
NULL, "cbb", DV_DULL
};
#endif
#if defined CBB_DEBUG
#define DPRINTF(x) printf x
#define STATIC
#else
#define DPRINTF(x)
#define STATIC static
#endif
#ifdef __BROKEN_INDIRECT_CONFIG
int pcicbbmatch __P((struct device *, void *, void *));
#else
int pcicbbmatch __P((struct device *, struct cfdata *, void *));
#endif
void pccbbattach __P((struct device *, struct device *, void *));
int pccbbintr __P((void *));
static void pci113x_insert __P((void *));
static int pccbb_detect_card __P((struct pccbb_softc *));
static void pccbb_pcmcia_write __P((struct pcic_handle *, int, u_int8_t));
static u_int8_t pccbb_pcmcia_read __P((struct pcic_handle *, int));
#define Pcic_read(ph, reg) ((ph)->ph_read((ph), (reg)))
#define Pcic_write(ph, reg, val) ((ph)->ph_write((ph), (reg), (val)))
STATIC int cb_reset __P((struct pccbb_softc *));
STATIC int cb_detect_voltage __P((struct pccbb_softc *));
STATIC int cbbprint __P((void *, const char *));
static int cb_chipset __P((u_int32_t, char const **, int *));
STATIC void pccbb_pcmcia_attach_setup __P((struct pccbb_softc *, struct pcmciabus_attach_args *));
#if 0
STATIC void pccbb_pcmcia_attach_card __P((struct pcic_handle *));
STATIC void pccbb_pcmcia_detach_card __P((struct pcic_handle *, int));
STATIC void pccbb_pcmcia_deactivate_card __P((struct pcic_handle *));
#endif
STATIC int pccbb_ctrl __P((cardbus_chipset_tag_t, int));
STATIC int pccbb_power __P((cardbus_chipset_tag_t, int));
STATIC int pccbb_cardenable __P((struct pccbb_softc *sc, int function));
#if !rbus
static int pccbb_io_open __P((cardbus_chipset_tag_t, int, u_int32_t, u_int32_t));
static int pccbb_io_close __P((cardbus_chipset_tag_t, int));
static int pccbb_mem_open __P((cardbus_chipset_tag_t, int, u_int32_t, u_int32_t));
static int pccbb_mem_close __P((cardbus_chipset_tag_t, int));
#endif /* !rbus */
static void *pccbb_intr_establish __P((cardbus_chipset_tag_t, int irq, int level, int (* ih)(void *), void *sc));
static void pccbb_intr_disestablish __P((cardbus_chipset_tag_t ct, void *ih));
static cardbustag_t pccbb_make_tag __P((cardbus_chipset_tag_t, int, int, int));
static void pccbb_free_tag __P((cardbus_chipset_tag_t, cardbustag_t));
static cardbusreg_t pccbb_conf_read __P((cardbus_chipset_tag_t, cardbustag_t, int));
static void pccbb_conf_write __P((cardbus_chipset_tag_t, cardbustag_t, int, cardbusreg_t));
static void pccbb_chipinit __P((struct pccbb_softc *));
STATIC int pccbb_pcmcia_mem_alloc __P((pcmcia_chipset_handle_t, bus_size_t,
struct pcmcia_mem_handle *));
STATIC void pccbb_pcmcia_mem_free __P((pcmcia_chipset_handle_t,
struct pcmcia_mem_handle *));
STATIC int pccbb_pcmcia_mem_map __P((pcmcia_chipset_handle_t, int, bus_addr_t,
bus_size_t, struct pcmcia_mem_handle *, bus_addr_t *, int *));
STATIC void pccbb_pcmcia_mem_unmap __P((pcmcia_chipset_handle_t, int));
STATIC int pccbb_pcmcia_io_alloc __P((pcmcia_chipset_handle_t, bus_addr_t,
bus_size_t, bus_size_t, struct pcmcia_io_handle *));
STATIC void pccbb_pcmcia_io_free __P((pcmcia_chipset_handle_t,
struct pcmcia_io_handle *));
STATIC int pccbb_pcmcia_io_map __P((pcmcia_chipset_handle_t, int, bus_addr_t,
bus_size_t, struct pcmcia_io_handle *, int *));
STATIC void pccbb_pcmcia_io_unmap __P((pcmcia_chipset_handle_t, int));
STATIC void *pccbb_pcmcia_intr_establish __P((pcmcia_chipset_handle_t,
struct pcmcia_function *, int, int (*) (void *), void *));
STATIC void pccbb_pcmcia_intr_disestablish __P((pcmcia_chipset_handle_t, void *));
STATIC void pccbb_pcmcia_socket_enable __P((pcmcia_chipset_handle_t));
STATIC void pccbb_pcmcia_socket_disable __P((pcmcia_chipset_handle_t));
STATIC int pccbb_pcmcia_card_detect __P((pcmcia_chipset_handle_t pch));
static void pccbb_pcmcia_do_io_map __P((struct pcic_handle *, int));
static void pccbb_pcmcia_wait_ready __P((struct pcic_handle *));
static void pccbb_pcmcia_do_mem_map __P((struct pcic_handle *, int));
/* bus-space allocation and disallocation functions */
#if rbus
static int pccbb_rbus_cb_space_alloc __P((cardbus_chipset_tag_t, rbus_tag_t,
bus_addr_t addr, bus_size_t size,
bus_addr_t mask, bus_size_t align,
int flags, bus_addr_t *addrp,
bus_space_handle_t *bshp));
static int pccbb_rbus_cb_space_free __P((cardbus_chipset_tag_t, rbus_tag_t,
bus_space_handle_t, bus_size_t));
#endif /* rbus */
#if rbus
static int pccbb_open_win __P((struct pccbb_softc *, bus_space_tag_t, bus_addr_t, bus_size_t, bus_space_handle_t, int flags));
static int pccbb_close_win __P((struct pccbb_softc *, bus_space_tag_t, bus_space_handle_t, bus_size_t));
static int pccbb_winlist_insert __P((struct pccbb_win_chain **, bus_addr_t,
bus_size_t, bus_space_handle_t, int));
static int pccbb_winlist_delete __P((struct pccbb_win_chain **,
bus_space_handle_t, bus_size_t));
static void pccbb_winset __P((bus_addr_t align, struct pccbb_softc *,
bus_space_tag_t));
void pccbb_winlist_show(struct pccbb_win_chain *);
#endif /* rbus */
/* for config_defer */
static void pccbb_pci_callback __P((struct device *));
#if defined SHOW_REGS
static void cb_show_regs __P((pci_chipset_tag_t pc, pcitag_t tag, bus_space_tag_t memt, bus_space_handle_t memh));
#endif
struct cfattach cbb_pci_ca = {
sizeof(struct pccbb_softc), pcicbbmatch, pccbbattach
};
static struct pcmcia_chip_functions pccbb_pcmcia_funcs = {
pccbb_pcmcia_mem_alloc,
pccbb_pcmcia_mem_free,
pccbb_pcmcia_mem_map,
pccbb_pcmcia_mem_unmap,
pccbb_pcmcia_io_alloc,
pccbb_pcmcia_io_free,
pccbb_pcmcia_io_map,
pccbb_pcmcia_io_unmap,
pccbb_pcmcia_intr_establish,
pccbb_pcmcia_intr_disestablish,
pccbb_pcmcia_socket_enable,
pccbb_pcmcia_socket_disable,
pccbb_pcmcia_card_detect
};
#if rbus
static struct cardbus_functions pccbb_funcs = {
pccbb_rbus_cb_space_alloc,
pccbb_rbus_cb_space_free,
pccbb_intr_establish,
pccbb_intr_disestablish,
pccbb_ctrl,
pccbb_power,
pccbb_make_tag,
pccbb_free_tag,
pccbb_conf_read,
pccbb_conf_write,
};
#else
static struct cardbus_functions pccbb_funcs = {
pccbb_ctrl,
pccbb_power,
pccbb_mem_open,
pccbb_mem_close,
pccbb_io_open,
pccbb_io_close,
pccbb_intr_establish,
pccbb_intr_disestablish,
pccbb_make_tag,
pccbb_conf_read,
pccbb_conf_write,
};
#endif
int
pcicbbmatch(parent, match, aux)
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *match;
#else
struct cfdata *match;
#endif
void *aux;
{
struct pci_attach_args *pa = (struct pci_attach_args *)aux;
if ((pa->pa_class & PCI_CLASS_INTERFACE_MASK) == PCI_CLASS_INTERFACE_YENTA) {
/* OK, It must be YENTA PCI-CardBus bridge */
return 1;
}
return 0;
}
#define MAKEID(vendor, prod) (((vendor) << PCI_VENDOR_SHIFT) \
| ((prod) << PCI_PRODUCT_SHIFT))
struct yenta_chipinfo {
pcireg_t yc_id; /* vendor tag | product tag */
const char *yc_name;
int yc_chiptype;
int yc_flags;
} yc_chipsets[] = {
/* Texas Instruments chips */
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1130), "TI1130", CB_TI113X,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1131), "TI1131", CB_TI113X,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1250), "TI1250", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1220), "TI1220", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1221), "TI1221", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1225), "TI1225", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251), "TI1251", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251B), "TI1251B", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1211), "TI1211", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1420), "TI1420", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1450), "TI1450", CB_TI12XX,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI2030), "TI2030", CB_UNKNOWN,
PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
/* Ricoh chips */
{MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C475), "Rx5C475",
CB_RX5C47X, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RL5C476), "RL5C476",
CB_RX5C47X, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C477), "Rx5C477",
CB_RX5C47X, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C478), "Rx5C478",
CB_RX5C47X, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C465), "Rx5C465",
CB_RX5C46X, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C466), "Rx5C466",
CB_RX5C46X, PCCBB_PCMCIA_MEM_32},
/* Toshiba products */
{MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC95), "ToPIC95",
CB_TOPIC95, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC95B), "ToPIC95B",
CB_TOPIC95B, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC97), "ToPIC97",
CB_TOPIC97, PCCBB_PCMCIA_MEM_32},
/* Cirrus Logic products */
{MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6832), "CL-PD683X",
CB_CIRRUS, PCCBB_PCMCIA_MEM_32},
{MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6833), "CL-PD683X",
CB_CIRRUS, PCCBB_PCMCIA_MEM_32},
/* sentinel, or Generic chip */
{0 /* null id */, "unknown", CB_UNKNOWN, PCCBB_PCMCIA_MEM_32},
};
static int
cb_chipset(pci_id, namep, flagp)
u_int32_t pci_id;
char const **namep;
int *flagp;
{
int loopend = sizeof(yc_chipsets)/sizeof(yc_chipsets[0]);
struct yenta_chipinfo *ycp, *ycend;
ycend = yc_chipsets + loopend;
for (ycp =yc_chipsets; ycp < ycend && pci_id != ycp->yc_id; ++ycp);
if (ycp == ycend) {
/* not found */
ycp = yc_chipsets + loopend - 1; /* to point the sentinel */
}
if (namep != NULL) {
*namep = ycp->yc_name;
}
if (flagp != NULL) {
*flagp = ycp->yc_flags;
}
return ycp->yc_chiptype;
}
void
pccbbattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct pccbb_softc *sc = (void *)self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pcireg_t sock_base, busreg;
bus_addr_t sockbase;
char const *name;
int flags;
sc->sc_chipset = cb_chipset(pa->pa_id, &name, &flags);
printf(" (%s), chipflags %d\n", name, flags);
#if rbus
sc->sc_rbus_iot = rbus_pccbb_parent_io(pa);
sc->sc_rbus_memt = rbus_pccbb_parent_mem(pa);
#endif /* rbus */
sc->sc_base_memh = 0;
/*
* MAP socket registers and ExCA registers on memory-space
* When no valid address is set on socket base registers (on pci
* config space), get it not polite way.
*/
sock_base = pci_conf_read(pc, pa->pa_tag, PCI_SOCKBASE);
if (PCI_MAPREG_MEM_ADDR(sock_base) >= 0x100000 &&
PCI_MAPREG_MEM_ADDR(sock_base) != 0xfffffff0) {
/* The address must be valid. */
if (pci_mapreg_map(pa, PCI_SOCKBASE, PCI_MAPREG_TYPE_MEM, 0,
&sc->sc_base_memt, &sc->sc_base_memh, &sockbase,
NULL)) {
printf("%s: can't map socket base address 0x%x\n", sc->sc_dev.dv_xname,
sock_base);
/* I think it's funny: socket base registers must be mapped on
memory space, but ... */
if (pci_mapreg_map(pa, PCI_SOCKBASE, PCI_MAPREG_TYPE_IO, 0,
&sc->sc_base_memt, &sc->sc_base_memh,
&sockbase, NULL)) {
printf("%s: can't map socket base address 0x%lx: io mode\n",
sc->sc_dev.dv_xname, sockbase);
/* give up... allocate register space via rbus. */
sc->sc_base_memh = 0;
pci_conf_write(pc, pa->pa_tag, PCI_SOCKBASE, 0);
}
} else {
DPRINTF(("%s: socket base address 0x%lx",sc->sc_dev.dv_xname, sockbase));
}
}
sc->sc_mem_start = 0; /* XXX */
sc->sc_mem_end = 0xffffffff; /* XXX */
/*
* When interrupt isn't routed correctly, give up probing cbb and do
* not kill pcic-compatible port.
*/
if ((0 == pa->pa_intrline) || (255 == pa->pa_intrline)) {
printf(" Do not use %s because of intr unconfig.\n", sc->sc_dev.dv_xname);
return;
}
/*
* When bus number isn't set correctly, give up using 32-bit CardBus
* mode.
*/
busreg = pci_conf_read(pc, pa->pa_tag, PCI_BUSNUM);
#if notyet
if (((busreg >> 8) & 0xff) == 0) {
printf(" CardBus on %s will not be configured, because of bus no unconfig.\n", sc->sc_dev.dv_xname);
flags |= PCCBB_PCMCIA_16BITONLY;
}
#endif
/* pccbb_machdep.c end */
#if defined CBB_DEBUG
{
static char *intrname[5] = {"NON", "A", "B", "C", "D"};
printf(" intrpin %s, intrtag %d\n", intrname[pa->pa_intrpin],
pa->pa_intrline);
}
#endif
/* setup softc */
sc->sc_pc = pc;
sc->sc_iot = pa->pa_iot;
sc->sc_memt = pa->pa_memt;
sc->sc_dmat = pa->pa_dmat;
sc->sc_tag = pa->pa_tag;
sc->sc_function = pa->pa_function;
sc->sc_intrline = pa->pa_intrline;
sc->sc_intrtag = pa->pa_intrtag;
sc->sc_intrpin = pa->pa_intrpin;
sc->sc_pcmcia_flags = flags; /* set PCMCIA facility */
/* bus bridge initialisation */
pccbb_chipinit(sc);
#if __NetBSD_Version__ > 103060000
config_defer(self, pccbb_pci_callback);
#else
pccbb_pci_callback(self);
#endif
}
static void
pccbb_pci_callback(self)
struct device *self;
{
struct pccbb_softc *sc = (void *)self;
pci_chipset_tag_t pc = sc->sc_pc;
bus_space_tag_t base_memt;
bus_space_handle_t base_memh;
u_int32_t maskreg;
pci_intr_handle_t ih;
const char *intrstr = NULL;
bus_addr_t sockbase;
struct cbslot_attach_args cba;
struct pcmciabus_attach_args paa;
struct cardslot_attach_args caa;
struct cardslot_softc *csc;
if (0 == sc->sc_base_memh) {
/* The socket registers aren't mapped correctly. */
#if rbus
if (rbus_space_alloc(sc->sc_rbus_memt,
0, /* address: I don't mind where it is mapped */
0x1000, /* size */
0x0fff, /* mask */
(sc->sc_chipset == CB_RX5C47X || sc->sc_chipset == CB_TI113X) ? 0x10000 : 0x1000, /* align */
0, /* flags */
&sockbase, &sc->sc_base_memh)) {
return;
}
sc->sc_base_memt = sc->sc_memt;
pci_conf_write(pc, sc->sc_tag, PCI_SOCKBASE, sockbase);
DPRINTF(("%s: CardBus resister address 0x%lx -> 0x%x\n",
sc->sc_dev.dv_xname, sockbase, pci_conf_read(pc, sc->sc_tag, PCI_SOCKBASE)));
#else
sc->sc_base_memt = sc->sc_memt;
#if !defined CBB_PCI_BASE
#define CBB_PCI_BASE 0x20000000
#endif
if (bus_space_alloc(sc->sc_base_memt, CBB_PCI_BASE, 0xffffffff,
0x1000, /* size */
0x1000, /* alignment */
0, /* boundary */
0, /* flags */
&sockbase, &sc->sc_base_memh)) {
/* cannot allocate memory space */
return;
}
pci_conf_write(pc, sc->sc_tag, PCI_SOCKBASE, sockbase);
DPRINTF(("%s: CardBus resister address 0x%x -> 0x%x\n",sc->sc_dev.dv_xname,
sock_base, pci_conf_read(pc, sc->sc_tag, PCI_SOCKBASE)));
#endif
}
base_memt = sc->sc_base_memt; /* socket regs memory tag */
base_memh = sc->sc_base_memh; /* socket regs memory handle */
/* CSC Interrupt: Card detect interrupt on */
maskreg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_MASK);
maskreg |= CB_SOCKET_MASK_CD; /* Card detect intr is turned on. */
bus_space_write_4(base_memt, base_memh, CB_SOCKET_MASK, maskreg);
/* reset interrupt */
bus_space_write_4(base_memt, base_memh, CB_SOCKET_EVENT,
bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT));
/* Map and establish the interrupt. */
if (pci_intr_map(pc, sc->sc_intrtag, sc->sc_intrpin,
sc->sc_intrline, &ih)) {
printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, pccbbintr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
if (intrstr != NULL) {
printf(" at %s", intrstr);
}
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
{
u_int32_t sockstat = bus_space_read_4(base_memt,base_memh, CB_SOCKET_STAT);
if (0 == (sockstat & CB_SOCKET_STAT_CD)) { /* card exist */
sc->sc_flags |= CBB_CARDEXIST;
}
}
/*
* attach cardbus
*/
if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) {
pcireg_t busreg = pci_conf_read(pc, sc->sc_tag, PCI_BUSNUM);
pcireg_t bhlc = pci_conf_read(pc, sc->sc_tag, PCI_BHLC_REG);
/* initialise cbslot_attach */
cba.cba_busname = "cardbus";
cba.cba_iot = sc->sc_iot;
cba.cba_memt = sc->sc_memt;
cba.cba_dmat = sc->sc_dmat;
cba.cba_function = 0;
cba.cba_bus = (busreg >> 8) & 0x0ff;
cba.cba_cc = (void *)sc;
cba.cba_cf = &pccbb_funcs;
cba.cba_intrline = sc->sc_intrline;
#if rbus
cba.cba_rbus_iot = sc->sc_rbus_iot;
cba.cba_rbus_memt = sc->sc_rbus_memt;
#endif
cba.cba_cacheline = PCI_CACHELINE(bhlc);
cba.cba_lattimer = PCI_CB_LATENCY(busreg);
printf("%s: cacheline 0x%x lattimer 0x%x\n", sc->sc_dev.dv_xname,
cba.cba_cacheline, cba.cba_lattimer);
printf("%s: bhlc 0x%x lscp 0x%x\n", sc->sc_dev.dv_xname,
bhlc, busreg);
#if defined SHOW_REGS
cb_show_regs(sc->sc_pc, sc->sc_tag, sc->sc_base_memt, sc->sc_base_memh);
#endif
}
pccbb_pcmcia_attach_setup(sc, &paa);
caa.caa_cb_attach = NULL;
if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) {
caa.caa_cb_attach = &cba;
}
caa.caa_16_attach = &paa;
caa.caa_ph = &sc->sc_pcmcia_h;
if (NULL != (csc = (void *)config_found(self, &caa, cbbprint))) {
DPRINTF(("pccbbattach: found cardslot\n"));
sc->sc_csc = csc;
}
return;
}
static void
pccbb_chipinit(sc)
struct pccbb_softc *sc;
{
pci_chipset_tag_t pc = sc->sc_pc;
pcitag_t tag = sc->sc_tag;
bus_space_tag_t base_memt = sc->sc_base_memt; /* socket regs memory tag */
bus_space_handle_t base_memh = sc->sc_base_memh; /* socket regs memory handle */
pcireg_t cbctrl;
/*
* Set PCI command reg.
* Some laptop's BIOSes (i.e. TICO) do not enable CardBus chip.
*/
{
pcireg_t command = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
/* I believe it is harmless. */
command |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
PCI_COMMAND_MASTER_ENABLE);
pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, command);
}
/*
* Set CardBus latency timer
*/
{
pcireg_t pci_lscp = pci_conf_read(pc, tag, PCI_CB_LSCP_REG);
if (PCI_CB_LATENCY(pci_lscp) < 0x20) {
pci_lscp &= ~(PCI_CB_LATENCY_MASK << PCI_CB_LATENCY_SHIFT);
pci_lscp |= (0x20 << PCI_CB_LATENCY_SHIFT);
pci_conf_write(pc, tag, PCI_CB_LSCP_REG, pci_lscp);
}
DPRINTF(("CardBus latency timer 0x%x (%x)\n", PCI_CB_LATENCY(pci_lscp),
pci_conf_read(pc, tag, PCI_CB_LSCP_REG)));
}
/*
* Set PCI latency timer
*/
{
pcireg_t pci_bhlc = pci_conf_read(pc, tag, PCI_BHLC_REG);
if (PCI_LATTIMER(pci_bhlc) < 0x10) {
pci_bhlc &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
pci_bhlc |= (0x10 << PCI_LATTIMER_SHIFT);
pci_conf_write(pc, tag, PCI_BHLC_REG, pci_bhlc);
}
DPRINTF(("PCI latency timer 0x%x (%x)\n", PCI_LATTIMER(pci_bhlc),
pci_conf_read(pc, tag, PCI_BHLC_REG)));
}
/* disable Legacy IO */
switch (sc->sc_chipset) {
case CB_RX5C46X: /* fallthrogh */
#if 0
case CB_RX5C47X:
#endif
/*
* The legacy pcic io-port on Ricoh CardBus bridges cannot be
* disabled by substituting 0 into PCI_LEGACY register. Ricoh
* CardBus bridges have special bits on Bridge control reg (addr
* 0x3e on PCI config space).
*/
{
pcireg_t bcri = pci_conf_read(pc, tag, PCI_BCR_INTR);
bcri &= ~(CB_BCRI_RL_3E0_ENA | CB_BCRI_RL_3E2_ENA);
pci_conf_write(pc, tag, PCI_BCR_INTR, bcri);
}
break;
default:
/* XXX: I don't know proper way to kill Legacy IO properly. */
pci_conf_write(pc, tag, PCI_LEGACY, 0x0);
break;
}
/*
* Interrupt routing: use PCI interrupt
*/
{
u_int32_t bcr = pci_conf_read(pc, tag, PCI_BCR_INTR);
bcr &= ~CB_BCR_INTR_IREQ_ENABLE; /* use PCI Intr */
bcr |= CB_BCR_WRITE_POST_ENABLE; /* enable write post */
pci_conf_write(pc, tag, PCI_BCR_INTR, bcr);
}
if (CB_TI113X == sc->sc_chipset) {
cbctrl = pci_conf_read(pc, tag, PCI_CBCTRL);
if (0 == sc->sc_function) {
cbctrl |= PCI113X_CBCTRL_PCI_IRQ_ENA;
}
cbctrl |= PCI113X_CBCTRL_PCI_IRQ_ENA; /* XXX: bug in PCI113X */
cbctrl |= PCI113X_CBCTRL_PCI_CSC; /* CSC intr enable */
cbctrl &= ~PCI113X_CBCTRL_PCI_INTR; /* functional intr prohibit */
cbctrl &= ~PCI113X_CBCTRL_INT_MASK; /* prohibit ISA routing */
pci_conf_write(pc, tag, PCI_CBCTRL, cbctrl);
/* set ExCA regs: PCI113X required to be set bit 4 at Interrupt
and General Register, which is IRQ Enable Register, and clear
bit 3:0 to zero in order to route CSC interrupt to PCI
interrupt pin. */
bus_space_write_1(base_memt, base_memh, 0x0803, 0x10);
/* set ExCA regs: prohibit all pcmcia-style CSC intr. */
bus_space_write_1(base_memt, base_memh, 0x0805, 0x00);
#if 1
DPRINTF(("ExCA regs:"));
DPRINTF((" 0x803: %02x", bus_space_read_1(base_memt, base_memh, 0x803)));
DPRINTF((" 0x805: %02x", bus_space_read_1(base_memt, base_memh, 0x805)));
DPRINTF((" 0x81e: %02x\n", bus_space_read_1(base_memt,base_memh,0x81e)));
#endif
} else if (sc->sc_chipset == CB_TI12XX) {
cbctrl = pci_conf_read(pc, tag, PCI_CBCTRL);
cbctrl &= ~PCI12XX_CBCTRL_INT_MASK; /* intr routing reset */
pci_conf_write(pc, tag, PCI_CBCTRL, cbctrl);
/*
* set ExCA regs: PCI12XX required to be set bit 4 at Interrupt
* and General Register, which is IRQ Enable Register, and clear
* bit 3:0 to zero in order to route CSC interrupt to PCI
* interrupt pin.
*/
bus_space_write_1(base_memt, base_memh, 0x0803, 0x10);
/* set ExCA regs: prohibit all pcmcia-style CSC intr. */
bus_space_write_1(base_memt, base_memh, 0x0805, 0x00);
} else if (sc->sc_chipset == CB_TOPIC95B) {
cardbusreg_t sock_ctrl, slot_ctrl;
sock_ctrl = pci_conf_read(pc, tag, TOPIC_SOCKET_CTRL);
pci_conf_write(pc, tag, TOPIC_SOCKET_CTRL,
sock_ctrl | TOPIC_SOCKET_CTRL_SCR_IRQSEL);
slot_ctrl = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL);
DPRINTF(("%s: topic slot ctrl reg 0x%x -> ", sc->sc_dev.dv_xname,
slot_ctrl));
slot_ctrl |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN |
TOPIC_SLOT_CTRL_ID_LOCK);
slot_ctrl |= TOPIC_SLOT_CTRL_CARDBUS;
slot_ctrl &= ~TOPIC_SLOT_CTRL_SWDETECT;
pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, slot_ctrl);
DPRINTF(("0x%x\n", slot_ctrl));
}
/* close all memory and io windows */
pci_conf_write(pc, tag, PCI_CB_MEMBASE0, 0xffffffff);
pci_conf_write(pc, tag, PCI_CB_MEMLIMIT0, 0);
pci_conf_write(pc, tag, PCI_CB_MEMBASE1, 0xffffffff);
pci_conf_write(pc, tag, PCI_CB_MEMLIMIT1, 0);
pci_conf_write(pc, tag, PCI_CB_IOBASE0, 0xffffffff);
pci_conf_write(pc, tag, PCI_CB_IOLIMIT0, 0);
pci_conf_write(pc, tag, PCI_CB_IOBASE1, 0xffffffff);
pci_conf_write(pc, tag, PCI_CB_IOLIMIT1, 0);
return;
}
/*
* attach pccard bus
*/
STATIC void
pccbb_pcmcia_attach_setup(sc, paa)
struct pccbb_softc *sc;
struct pcmciabus_attach_args *paa;
{
struct pcic_handle *ph = &sc->sc_pcmcia_h;
/* initialise pcmcia part in pccbb_softc */
ph->ph_parent = (struct device *)sc;
ph->sock = sc->sc_function;
ph->flags = 0;
ph->shutdown = 0;
ph->ih_irq = sc->sc_intrline;
ph->ph_bus_t = sc->sc_base_memt;
ph->ph_bus_h = sc->sc_base_memh;
ph->ph_read = pccbb_pcmcia_read;
ph->ph_write = pccbb_pcmcia_write;
sc->sc_pct = &pccbb_pcmcia_funcs;
Pcic_write(ph, PCIC_CSC_INTR, 0);
Pcic_read(ph, PCIC_CSC);
/* initialise pcmcia bus attachment */
paa->paa_busname = "pcmcia";
paa->pct = sc->sc_pct;
paa->pch = ph;
paa->iobase = 0; /* I don't use them */
paa->iosize = 0;
return;
}
#if 0
STATIC void
pccbb_pcmcia_attach_card(ph)
struct pcic_handle *ph;
{
if (ph->flags & PCIC_FLAG_CARDP) {
panic("pccbb_pcmcia_attach_card: already attached");
}
/* call the MI attach function */
pcmcia_card_attach(ph->pcmcia);
ph->flags |= PCIC_FLAG_CARDP;
}
STATIC void
pccbb_pcmcia_detach_card(ph, flags)
struct pcic_handle *ph;
int flags;
{
if (!(ph->flags & PCIC_FLAG_CARDP)) {
panic("pccbb_pcmcia_detach_card: already detached");
}
ph->flags &= ~PCIC_FLAG_CARDP;
/* call the MI detach function */
pcmcia_card_detach(ph->pcmcia, flags);
}
#endif
/*
* int pccbbintr(arg)
* void *arg;
* This routine handles the interrupt from Yenta PCI-CardBus bridge
* itself.
*/
int
pccbbintr(arg)
void *arg;
{
struct pccbb_softc *sc = (struct pccbb_softc *)arg;
u_int32_t sockevent;
bus_space_tag_t memt = sc->sc_base_memt;
bus_space_handle_t memh = sc->sc_base_memh;
u_int32_t sockstate;
sockevent = bus_space_read_4(memt, memh, CB_SOCKET_EVENT);
if (0 == sockevent) { /* not for me */
return 0;
} else {
bus_space_write_4(memt, memh, CB_SOCKET_EVENT, sockevent); /* reset bit */
}
sockstate = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
if (sockevent & CB_SOCKET_EVENT_CD) {
if (CB_SOCKET_STAT_CD == (sockstate & CB_SOCKET_STAT_CD)) {
/* A card should be removed. */
if (sc->sc_flags & CBB_CARDEXIST) {
DPRINTF(("%s: 0x%08x", sc->sc_dev.dv_xname, sockevent));
DPRINTF((" card removed, 0x%08x\n", sockstate));
sc->sc_flags &= ~CBB_CARDEXIST;
if (sc->sc_csc->sc_status & CARDSLOT_STATUS_CARD_16) {
#if 0
struct pcic_handle *ph = &sc->sc_pcmcia_h;
pcmcia_card_deactivate(ph->pcmcia);
pccbb_pcmcia_socket_disable(ph);
pccbb_pcmcia_detach_card(ph, DETACH_FORCE);
#endif
cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_REMOVAL_16);
} else if (sc->sc_csc->sc_status & CARDSLOT_STATUS_CARD_CB) {
/* Cardbus intr removed */
cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_REMOVAL_CB);
}
}
} else if (0x00 == (sockstate & CB_SOCKET_STAT_CD)) {
if (sc->sc_flags & CBB_INSERTING) {
untimeout(pci113x_insert, sc);
}
timeout(pci113x_insert, sc, hz/10);
sc->sc_flags |= CBB_INSERTING;
}
} else {
DPRINTF(("%s: 0x%08x", sc->sc_dev.dv_xname, sockevent));
if (sockevent & CB_SOCKET_EVENT_CSTS) {
DPRINTF((" cstsevent occures, 0x%08x\n", sockstate));
}
if (sockevent & CB_SOCKET_EVENT_POWER) {
DPRINTF((" pwrevent occures, 0x%08x\n", sockstate));
}
}
return 1;
}
static void
pci113x_insert(arg)
void *arg;
{
struct pccbb_softc *sc = (struct pccbb_softc *)arg;
u_int32_t sockevent, sockstate;
sockevent = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh,
CB_SOCKET_EVENT);
sockstate = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh,
CB_SOCKET_STAT);
if (0 == (sockstate & CB_SOCKET_STAT_CD)) { /* card exist */
DPRINTF(("%s: 0x%08x", sc->sc_dev.dv_xname, sockevent));
DPRINTF((" card inserted, 0x%08x\n", sockstate));
sc->sc_flags |= CBB_CARDEXIST;
/* call pccard intterupt handler here */
if (sockstate & CB_SOCKET_STAT_16BIT) {
/* 16-bit card found */
/* pccbb_pcmcia_attach_card(&sc->sc_pcmcia_h); */
cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_INSERTION_16);
} else if (sockstate & CB_SOCKET_STAT_CB) {
/* cardbus card fuond */
/* cardbus_attach_card(sc->sc_csc); */
cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_INSERTION_CB);
} else {
/* who are you? */
}
} else {
timeout(pci113x_insert, sc, hz/10);
}
}
#define PCCBB_PCMCIA_OFFSET 0x800
static u_int8_t
pccbb_pcmcia_read(ph, reg)
struct pcic_handle *ph;
int reg;
{
return bus_space_read_1(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg);
}
static void
pccbb_pcmcia_write(ph, reg, val)
struct pcic_handle *ph;
int reg;
u_int8_t val;
{
bus_space_write_1(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg, val);
return;
}
/*
* STATIC int pccbb_ctrl(cardbus_chipset_tag_t, int)
*/
STATIC int
pccbb_ctrl(ct, command)
cardbus_chipset_tag_t ct;
int command;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
switch(command) {
case CARDBUS_CD:
if (2 == pccbb_detect_card(sc)) {
int retval = 0;
int status = cb_detect_voltage(sc);
if (PCCARD_VCC_5V & status) {
retval |= CARDBUS_5V_CARD;
}
if (PCCARD_VCC_3V & status) {
retval |= CARDBUS_3V_CARD;
}
if (PCCARD_VCC_XV & status) {
retval |= CARDBUS_XV_CARD;
}
if (PCCARD_VCC_YV & status) {
retval |= CARDBUS_YV_CARD;
}
return retval;
} else {
return 0;
}
break;
case CARDBUS_RESET:
return cb_reset(sc);
break;
case CARDBUS_IO_ENABLE: /* fallthrough */
case CARDBUS_IO_DISABLE: /* fallthrough */
case CARDBUS_MEM_ENABLE: /* fallthrough */
case CARDBUS_MEM_DISABLE: /* fallthrough */
case CARDBUS_BM_ENABLE: /* fallthrough */
case CARDBUS_BM_DISABLE: /* fallthrough */
return pccbb_cardenable(sc, command);
break;
}
return 0;
}
/*
* STATIC int pccbb_power(cardbus_chipset_tag_t, int)
* This function returns true when it succeeds and returns false when
* it fails.
*/
STATIC int
pccbb_power(ct, command)
cardbus_chipset_tag_t ct;
int command;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
u_int32_t status, sock_ctrl;
bus_space_tag_t memt = sc->sc_base_memt;
bus_space_handle_t memh = sc->sc_base_memh;
DPRINTF(("pccbb_power: %s and %s [%x]\n",
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_UC ? "CARDBUS_VCC_UC" :
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_5V ? "CARDBUS_VCC_5V" :
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_3V ? "CARDBUS_VCC_3V" :
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_XV ? "CARDBUS_VCC_XV" :
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_YV ? "CARDBUS_VCC_YV" :
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V ? "CARDBUS_VCC_0V" :
"UNKNOWN",
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_UC ? "CARDBUS_VPP_UC" :
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_12V ? "CARDBUS_VPP_12V" :
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_VCC ? "CARDBUS_VPP_VCC" :
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_0V ? "CARDBUS_VPP_0V" :
"UNKNOWN",
command));
status = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
sock_ctrl = bus_space_read_4(memt, memh, CB_SOCKET_CTRL);
switch (command & CARDBUS_VCCMASK) {
case CARDBUS_VCC_UC:
break;
case CARDBUS_VCC_5V:
if (CB_SOCKET_STAT_5VCARD & status) { /* check 5 V card */
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
sock_ctrl |= CB_SOCKET_CTRL_VCC_5V;
} else {
printf("%s: BAD voltage request: no 5 V card\n", sc->sc_dev.dv_xname);
}
break;
case CARDBUS_VCC_3V:
if (CB_SOCKET_STAT_3VCARD & status) {
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
sock_ctrl |= CB_SOCKET_CTRL_VCC_3V;
} else {
printf("%s: BAD voltage request: no 3.3 V card\n", sc->sc_dev.dv_xname);
}
break;
case CARDBUS_VCC_0V:
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
break;
default:
return 0; /* power NEVER changed */
break;
}
switch (command & CARDBUS_VPPMASK) {
case CARDBUS_VPP_UC:
break;
case CARDBUS_VPP_0V:
sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK;
break;
case CARDBUS_VPP_VCC:
sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK;
sock_ctrl |= ((sock_ctrl >> 4) & 0x07);
break;
case CARDBUS_VPP_12V:
sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK;
sock_ctrl |= CB_SOCKET_CTRL_VPP_12V;
break;
}
#if 0
DPRINTF(("sock_ctrl: %x\n", sock_ctrl));
#endif
bus_space_write_4(memt, memh, CB_SOCKET_CTRL, sock_ctrl);
status = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
delay(20*1000); /* wait 20 ms: Vcc setup time */
/* XXX
delay 200 ms: though the standard defines that the Vcc set-up time
is 20 ms, some PC-Card bridge requires longer duration.
*/
delay(200*1000);
if (status & CB_SOCKET_STAT_BADVCC) { /* bad Vcc request */
printf("%s: bad Vcc request. sock_ctrl 0x%x, sock_status 0x%x\n",
sc->sc_dev.dv_xname, sock_ctrl ,status);
DPRINTF(("pccbb_power: %s and %s [%x]\n",
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_UC ? "CARDBUS_VCC_UC" :
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_5V ? "CARDBUS_VCC_5V":
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_3V ? "CARDBUS_VCC_3V":
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_XV ? "CARDBUS_VCC_XV":
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_YV ? "CARDBUS_VCC_YV":
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V ? "CARDBUS_VCC_0V":
"UNKNOWN",
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_UC ? "CARDBUS_VPP_UC":
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_12V ?"CARDBUS_VPP_12V":
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_VCC ?"CARDBUS_VPP_VCC":
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_0V ? "CARDBUS_VPP_0V" :
"UNKNOWN",
command));
#if 0
if (command == (CARDBUS_VCC_0V | CARDBUS_VPP_0V)) {
u_int32_t force = bus_space_read_4(memt, memh, CB_SOCKET_FORCE);
/* Reset Bad Vcc request */
force &= ~CB_SOCKET_FORCE_BADVCC;
bus_space_write_4(memt, memh, CB_SOCKET_FORCE, force);
printf("new status 0x%x\n", bus_space_read_4(memt, memh,CB_SOCKET_STAT));
return 1;
}
#endif
return 0;
}
return 1; /* power changed correctly */
}
#if defined CB_PCMCIA_POLL
struct cb_poll_str {
void *arg;
int (* func) __P((void *));
int level;
pccard_chipset_tag_t ct;
int count;
};
static struct cb_poll_str cb_poll[10];
static int cb_poll_n = 0;
static void cb_pcmcia_poll __P((void *arg));
static void
cb_pcmcia_poll(arg)
void *arg;
{
struct cb_poll_str *poll = arg;
struct cbb_pcmcia_softc *psc = (void *)poll->ct->v;
struct pccbb_softc *sc = psc->cpc_parent;
int s;
u_int32_t spsr; /* socket present-state reg */
timeout(cb_pcmcia_poll, arg, hz/10);
switch (poll->level) {
case IPL_NET:
s = splnet();
break;
case IPL_BIO:
s = splbio();
break;
case IPL_TTY: /* fallthrough */
default:
s = spltty();
break;
}
spsr = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT);
#if defined CB_PCMCIA_POLL_ONLY && defined LEVEL2
if (!(spsr & 0x40)) { /* CINT low */
#else
if (1) {
#endif
if ((*poll->func)(poll->arg) == 1) {
++poll->count;
printf("intr: reported from poller, 0x%x\n", spsr);
#if defined LEVEL2
} else {
printf("intr: miss! 0x%x\n", spsr);
#endif
}
}
splx(s);
}
#endif /* defined CB_PCMCIA_POLL */
/*
* static int pccbb_detect_card(struct pccbb_softc *sc)
* return value: 0 if no card exists.
* 1 if 16-bit card exists.
* 2 if cardbus card exists.
*/
static int
pccbb_detect_card(sc)
struct pccbb_softc *sc;
{
bus_space_handle_t base_memh = sc->sc_base_memh;
bus_space_tag_t base_memt = sc->sc_base_memt;
u_int32_t sockstat = bus_space_read_4(base_memt,base_memh, CB_SOCKET_STAT);
int retval = 0;
if (0x00 == (sockstat & CB_SOCKET_STAT_CD)) { /* CD1 and CD2 asserted */
/* card must be present */
if (!(CB_SOCKET_STAT_NOTCARD & sockstat)) { /* NOTACARD DEASSERTED */
if (CB_SOCKET_STAT_CB & sockstat) { /* CardBus mode */
retval = 2;
} else if (CB_SOCKET_STAT_16BIT & sockstat) { /* 16-bit mode */
retval = 1;
}
}
}
return retval;
}
/*
* STATIC int cb_reset(struct pccbb_softc *sc)
* This function resets CardBus card.
*/
STATIC int
cb_reset(sc)
struct pccbb_softc *sc;
{
/*
* Reset Assert at least 20 ms
* Some machines request longer duration.
*/
int reset_duration = (sc->sc_chipset == CB_RX5C47X ? 400*1000 : 40*1000);
u_int32_t bcr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR);
bcr |= (0x40 << 16); /* Reset bit Assert (bit 6 at 0x3E) */
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr);
delay(reset_duration);
if (CBB_CARDEXIST & sc->sc_flags) { /* A card exists. Reset it! */
bcr &= ~(0x40 << 16); /* Reset bit Deassert (bit 6 at 0x3E) */
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr);
delay(reset_duration);
}
/* No card found on the slot. Keep Reset. */
return 1;
}
/*
* STATIC int cb_detect_voltage(struct pccbb_softc *sc)
* This function detect card Voltage.
*/
STATIC int
cb_detect_voltage(sc)
struct pccbb_softc *sc;
{
u_int32_t psr; /* socket present-state reg */
bus_space_tag_t iot = sc->sc_base_memt;
bus_space_handle_t ioh = sc->sc_base_memh;
int vol = PCCARD_VCC_UKN; /* set 0 */
psr = bus_space_read_4(iot, ioh, CB_SOCKET_STAT);
if (0x400u & psr) {
vol |= PCCARD_VCC_5V;
}
if (0x800u & psr) {
vol |= PCCARD_VCC_3V;
}
return vol;
}
STATIC int
cbbprint(aux, pcic)
void *aux;
const char *pcic;
{
/*
struct cbslot_attach_args *cba = aux;
if (cba->cba_slot >= 0) {
printf(" slot %d", cba->cba_slot);
}
*/
return UNCONF;
}
/*
* STATIC int pccbb_cardenable(struct pccbb_softc *sc, int function)
* This function enables and disables the card
*/
STATIC int
pccbb_cardenable(sc, function)
struct pccbb_softc *sc;
int function;
{
u_int32_t command = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG);
DPRINTF(("pccbb_cardenable:"));
switch (function) {
case CARDBUS_IO_ENABLE:
command |= PCI_COMMAND_IO_ENABLE;
break;
case CARDBUS_IO_DISABLE:
command &= ~PCI_COMMAND_IO_ENABLE;
break;
case CARDBUS_MEM_ENABLE:
command |= PCI_COMMAND_MEM_ENABLE;
break;
case CARDBUS_MEM_DISABLE:
command &= ~PCI_COMMAND_MEM_ENABLE;
break;
case CARDBUS_BM_ENABLE:
command |= PCI_COMMAND_MASTER_ENABLE;
break;
case CARDBUS_BM_DISABLE:
command &= ~PCI_COMMAND_MASTER_ENABLE;
break;
default:
return 0;
}
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command);
DPRINTF((" command reg 0x%x\n", command));
return 1;
}
#if !rbus
/*
* int pccbb_io_open(cardbus_chipset_tag_t, int, u_int32_t, u_int32_t)
*/
static int
pccbb_io_open(ct, win, start, end)
cardbus_chipset_tag_t ct;
int win;
u_int32_t start, end;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
int basereg;
int limitreg;
if ((win < 0) || (win > 2)) {
#if defined DIAGNOSTIC
printf("cardbus_io_open: window out of range %d\n", win);
#endif
return 0;
}
basereg = win*8 + 0x2c;
limitreg = win*8 + 0x30;
DPRINTF(("pccbb_io_open: 0x%x[0x%x] - 0x%x[0x%x]\n",
start, basereg, end, limitreg));
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, start);
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, end);
return 1;
}
/*
* int pccbb_io_close(cardbus_chipset_tag_t, int)
*/
static int
pccbb_io_close(ct, win)
cardbus_chipset_tag_t ct;
int win;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
int basereg;
int limitreg;
if ((win < 0) || (win > 2)) {
#if defined DIAGNOSTIC
printf("cardbus_io_close: window out of range %d\n", win);
#endif
return 0;
}
basereg = win*8 + 0x2c;
limitreg = win*8 + 0x30;
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, 0);
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, 0);
return 1;
}
/*
* int pccbb_mem_open(cardbus_chipset_tag_t, int, u_int32_t, u_int32_t)
*/
static int
pccbb_mem_open(ct, win, start, end)
cardbus_chipset_tag_t ct;
int win;
u_int32_t start, end;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
int basereg;
int limitreg;
if ((win < 0) || (win > 2)) {
#if defined DIAGNOSTIC
printf("cardbus_mem_open: window out of range %d\n", win);
#endif
return 0;
}
basereg = win*8 + 0x1c;
limitreg = win*8 + 0x20;
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, start);
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, end);
return 1;
}
/*
* int pccbb_mem_close(cardbus_chipset_tag_t, int)
*/
static int
pccbb_mem_close(ct, win)
cardbus_chipset_tag_t ct;
int win;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
int basereg;
int limitreg;
if ((win < 0) || (win > 2)) {
#if defined DIAGNOSTIC
printf("cardbus_mem_close: window out of range %d\n", win);
#endif
return 0;
}
basereg = win*8 + 0x1c;
limitreg = win*8 + 0x20;
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, 0);
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, 0);
return 1;
}
#endif
static void *
pccbb_intr_establish(ct, irq, level, func, arg)
cardbus_chipset_tag_t ct;
int irq, level;
int (* func) __P((void *));
void *arg;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
switch (sc->sc_chipset) {
case CB_TI113X:
{
pcireg_t cbctrl = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL);
cbctrl |= PCI113X_CBCTRL_PCI_INTR; /* functional intr enabled */
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, cbctrl);
}
break;
default:
break;
}
return pci_intr_establish(sc->sc_pc, irq, level, func, arg);
}
static void
pccbb_intr_disestablish(ct, ih)
cardbus_chipset_tag_t ct;
void *ih;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
switch (sc->sc_chipset) {
case CB_TI113X:
{
pcireg_t cbctrl = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL);
cbctrl &= ~PCI113X_CBCTRL_PCI_INTR; /* functional intr disabled */
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, cbctrl);
}
break;
default:
break;
}
pci_intr_disestablish(sc->sc_pc, ih);
}
#if defined SHOW_REGS
static void
cb_show_regs(pc, tag, memt, memh)
pci_chipset_tag_t pc;
pcitag_t tag;
bus_space_tag_t memt;
bus_space_handle_t memh;
{
int i;
printf("PCI config regs:");
for (i = 0; i < 0x50; i += 4) {
if (i % 16 == 0) {
printf("\n 0x%02x:", i);
}
printf(" %08x", pci_conf_read(pc, tag, i));
}
for (i = 0x80; i < 0xb0; i += 4) {
if (i % 16 == 0) {
printf("\n 0x%02x:", i);
}
printf(" %08x", pci_conf_read(pc, tag, i));
}
if (memh == 0) {
printf("\n");
return;
}
printf("\nsocket regs:");
for (i = 0; i <= 0x10; i += 0x04) {
printf(" %08x", bus_space_read_4(memt, memh, i));
}
printf("\nExCA regs:");
for (i = 0; i < 0x08; ++i) {
printf(" %02x", bus_space_read_1(memt, memh, 0x800 + i));
}
printf("\n");
return;
}
#endif
/*
* static cardbustag_t pccbb_make_tag(cardbus_chipset_tag_t cc,
* int busno, int devno, int function)
* This is the function to make a tag to access config space of
* a CardBus Card. It works same as pci_conf_read.
*/
static cardbustag_t
pccbb_make_tag(cc, busno, devno, function)
cardbus_chipset_tag_t cc;
int busno, devno, function;
{
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
return pci_make_tag(sc->sc_pc, busno, devno, function);
}
static void
pccbb_free_tag(cc, tag)
cardbus_chipset_tag_t cc;
cardbustag_t tag;
{
}
/*
* static cardbusreg_t pccbb_conf_read(cardbus_chipset_tag_t cc,
* cardbustag_t tag, int offset)
* This is the function to read the config space of a CardBus Card.
* It works same as pci_conf_read.
*/
static cardbusreg_t
pccbb_conf_read(cc, tag, offset)
cardbus_chipset_tag_t cc;
cardbustag_t tag;
int offset; /* register offset */
{
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
return pci_conf_read(sc->sc_pc, tag, offset);
}
/*
* static void pccbb_conf_write(cardbus_chipset_tag_t cc, cardbustag_t tag,
* int offs, cardbusreg_t val)
* This is the function to write the config space of a CardBus Card.
* It works same as pci_conf_write.
*/
static void
pccbb_conf_write(cc, tag, reg, val)
cardbus_chipset_tag_t cc;
cardbustag_t tag;
int reg; /* register offset */
cardbusreg_t val;
{
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
pci_conf_write(sc->sc_pc, tag, reg, val);
}
#if 0
STATIC int
pccbb_new_pcmcia_io_alloc(pcmcia_chipset_handle_t pch,
bus_addr_t start, bus_size_t size,
bus_size_t align, bus_addr_t mask, /* address line width */
int speed, int flags, /* bus width */
bus_space_handle_t *iohp)
#endif
/*
* STATIC int pccbb_pcmcia_io_alloc(pcmcia_chipset_handle_t pch,
* bus_addr_t start, bus_size_t size,
* bus_size_t align,
* struct pcmcia_io_handle *pcihp
*
* This function only allocates I/O region for pccard. This function
* never maps the allcated region to pccard I/O area.
*
* XXX: The interface of this function is not very good, I believe.
*/
STATIC int
pccbb_pcmcia_io_alloc(pch, start, size, align, pcihp)
pcmcia_chipset_handle_t pch;
bus_addr_t start; /* start address */
bus_size_t size;
bus_size_t align;
struct pcmcia_io_handle *pcihp;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
bus_addr_t ioaddr;
int flags = 0;
bus_space_tag_t iot;
bus_space_handle_t ioh;
#if rbus
rbus_tag_t rb;
#endif
if (align == 0) {
align = size; /* XXX: funny??? */
}
/*
* Allocate some arbitrary I/O space.
*/
iot = ((struct pccbb_softc *)(ph->ph_parent))->sc_iot;
#if rbus
rb = ((struct pccbb_softc *)(ph->ph_parent))->sc_rbus_iot;
if (rbus_space_alloc(rb, start, size, 0x3ff /* XXX: I assume all card decode lower 10 bits by its hardware */,
align, 0, &ioaddr, &ioh)) {
return 1;
}
#else
if (start) {
ioaddr = start;
if (bus_space_map(iot, start, size, 0, &ioh)) {
return 1;
}
DPRINTF(("pccbb_pcmcia_io_alloc map port %lx+%lx\n",
(u_long) ioaddr, (u_long) size));
} else {
flags |= PCMCIA_IO_ALLOCATED;
if (bus_space_alloc(iot, 0x700/* ph->sc->sc_iobase */,
0x800/* ph->sc->sc_iobase + ph->sc->sc_iosize*/,
size, align, 0, 0, &ioaddr, &ioh)) {
/* No room be able to be get. */
return 1;
}
DPRINTF(("pccbb_pcmmcia_io_alloc alloc port 0x%lx+0x%lx\n",
(u_long) ioaddr, (u_long) size));
}
#endif
pcihp->iot = iot;
pcihp->ioh = ioh;
pcihp->addr = ioaddr;
pcihp->size = size;
pcihp->flags = flags;
return 0;
}
/*
* STATIC int pccbb_pcmcia_io_free(pcmcia_chipset_handle_t pch,
* struct pcmcia_io_handle *pcihp)
*
* This function only frees I/O region for pccard.
*
* XXX: The interface of this function is not very good, I believe.
*/
void
pccbb_pcmcia_io_free(pch, pcihp)
pcmcia_chipset_handle_t pch;
struct pcmcia_io_handle *pcihp;
{
#if !rbus
bus_space_tag_t iot = pcihp->iot;
#endif
bus_space_handle_t ioh = pcihp->ioh;
bus_size_t size = pcihp->size;
#if rbus
struct pccbb_softc *sc = (struct pccbb_softc *)((struct pcic_handle *)pch)->ph_parent;
rbus_tag_t rb = sc->sc_rbus_iot;
rbus_space_free(rb, ioh, size, NULL);
#else
if (pcihp->flags & PCMCIA_IO_ALLOCATED)
bus_space_free(iot, ioh, size);
else
bus_space_unmap(iot, ioh, size);
#endif
}
/*
* STATIC int pccbb_pcmcia_io_map(pcmcia_chipset_handle_t pch, int width,
* bus_addr_t offset, bus_size_t size,
* struct pcmcia_io_handle *pcihp,
* int *windowp)
*
* This function maps the allocated I/O region to pccard. This function
* never allocates any I/O region for pccard I/O area. I don't
* understand why the original authors of pcmciabus separated alloc and
* map. I believe the two must be unite.
*
* XXX: no wait timing control?
*/
int
pccbb_pcmcia_io_map(pch, width, offset, size, pcihp, windowp)
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 *ph = (struct pcic_handle *) pch;
bus_addr_t ioaddr = pcihp->addr + offset;
int i, win;
#if defined CBB_DEBUG
static char *width_names[] = { "dynamic", "io8", "io16" };
#endif
/* Sanity check I/O handle. */
if (((struct pccbb_softc *)ph->ph_parent)->sc_iot != pcihp->iot) {
panic("pccbb_pcmcia_io_map iot is bogus");
}
/* XXX Sanity check offset/size. */
win = -1;
for (i = 0; i < PCIC_IO_WINS; i++) {
if ((ph->ioalloc & (1 << i)) == 0) {
win = i;
ph->ioalloc |= (1 << i);
break;
}
}
if (win == -1) {
return 1;
}
*windowp = win;
/* XXX this is pretty gross */
DPRINTF(("pccbb_pcmcia_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? */
#if 0
printf(" port 0x%lx", (u_long) ioaddr);
if (size > 1) {
printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1);
}
#endif
ph->io[win].addr = ioaddr;
ph->io[win].size = size;
ph->io[win].width = width;
/* actual dirty register-value changing in the function below. */
pccbb_pcmcia_do_io_map(ph, win);
return 0;
}
/*
* STATIC void pccbb_pcmcia_do_io_map(struct pcic_handle *h, int win)
*
* This function changes register-value to map I/O region for pccard.
*/
static void
pccbb_pcmcia_do_io_map(ph, win)
struct pcic_handle *ph;
int win;
{
static u_int8_t pcic_iowidth[3] = {
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,
};
#define PCIC_SIA_START_LOW 0
#define PCIC_SIA_START_HIGH 1
#define PCIC_SIA_STOP_LOW 2
#define PCIC_SIA_STOP_HIGH 3
int regbase_win = 0x8 + win*0x04;
u_int8_t ioctl, enable;
DPRINTF(("pccbb_pcmcia_do_io_map win %d addr 0x%lx size 0x%lx width %d\n",
win, (long) ph->io[win].addr, (long) ph->io[win].size,
ph->io[win].width * 8));
Pcic_write(ph, regbase_win + PCIC_SIA_START_LOW,
ph->io[win].addr & 0xff);
Pcic_write(ph, regbase_win + PCIC_SIA_START_HIGH,
(ph->io[win].addr >> 8) & 0xff);
Pcic_write(ph, regbase_win + PCIC_SIA_STOP_LOW,
(ph->io[win].addr + ph->io[win].size - 1) & 0xff);
Pcic_write(ph, regbase_win + PCIC_SIA_STOP_HIGH,
((ph->io[win].addr + ph->io[win].size - 1) >> 8) & 0xff);
ioctl = Pcic_read(ph, PCIC_IOCTL);
enable = Pcic_read(ph, PCIC_ADDRWIN_ENABLE);
switch (win) {
case 0:
ioctl &= ~(PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT |
PCIC_IOCTL_IO0_IOCS16SRC_MASK | PCIC_IOCTL_IO0_DATASIZE_MASK);
ioctl |= pcic_iowidth[ph->io[win].width];
enable |= PCIC_ADDRWIN_ENABLE_IO0;
break;
case 1:
ioctl &= ~(PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT |
PCIC_IOCTL_IO1_IOCS16SRC_MASK | PCIC_IOCTL_IO1_DATASIZE_MASK);
ioctl |= (pcic_iowidth[ph->io[win].width] << 4);
enable |= PCIC_ADDRWIN_ENABLE_IO1;
break;
}
Pcic_write(ph, PCIC_IOCTL, ioctl);
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, enable);
#if defined CBB_DEBUG
{
u_int8_t start_low = Pcic_read(ph, regbase_win + PCIC_SIA_START_LOW);
u_int8_t start_high = Pcic_read(ph, regbase_win + PCIC_SIA_START_HIGH);
u_int8_t stop_low = Pcic_read(ph, regbase_win + PCIC_SIA_STOP_LOW);
u_int8_t stop_high = Pcic_read(ph, regbase_win + PCIC_SIA_STOP_HIGH);
printf(" start %02x %02x, stop %02x %02x, ioctl %02x enable %02x\n",
start_low, start_high, stop_low, stop_high, ioctl, enable);
}
#endif
}
/*
* STATIC void pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t *h, int win)
*
* This function unmapss I/O region. No return value.
*/
STATIC void
pccbb_pcmcia_io_unmap(pch, win)
pcmcia_chipset_handle_t pch;
int win;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
int reg;
if (win >= PCIC_IO_WINS || win < 0) {
panic("pccbb_pcmcia_io_unmap: window out of range");
}
reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE);
switch (win) {
case 0:
reg &= ~PCIC_ADDRWIN_ENABLE_IO0;
break;
case 1:
reg &= ~PCIC_ADDRWIN_ENABLE_IO1;
break;
}
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg);
ph->ioalloc &= ~(1 << win);
}
/*
* static void pccbb_pcmcia_wait_ready(struct pcic_handle *ph)
*
* This function enables the card. All information is stored in
* the first argument, pcmcia_chipset_handle_t.
*/
static void
pccbb_pcmcia_wait_ready(ph)
struct pcic_handle *ph;
{
int i;
DPRINTF(("pccbb_pcmcia_wait_ready: status 0x%02x\n",
Pcic_read(ph, PCIC_IF_STATUS)));
for (i = 0; i < 10000; i++) {
if (Pcic_read(ph, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) {
return;
}
delay(500);
#ifdef CBB_DEBUG
if ((i > 5000) && (i%100 == 99))
printf(".");
#endif
}
#ifdef DIAGNOSTIC
printf("pcic_wait_ready: ready never happened, status = %02x\n",
Pcic_read(ph, PCIC_IF_STATUS));
#endif
}
/*
* STATIC void pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t pch)
*
* This function enables the card. All information is stored in
* the first argument, pcmcia_chipset_handle_t.
*/
STATIC void
pccbb_pcmcia_socket_enable(pch)
pcmcia_chipset_handle_t pch;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
int cardtype, win;
u_int8_t power, intr;
pcireg_t spsr;
int voltage;
#define PCIC_INTR_PCI PCIC_INTR_ENABLE
/* this bit is mostly stolen from pcic_attach_card */
DPRINTF(("pccbb_pcmcia_socket_enable:\n"));
/* get card Vcc info */
spsr = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT);
if (spsr & CB_SOCKET_STAT_5VCARD) {
DPRINTF(("5V card\n"));
voltage = CARDBUS_VCC_5V | CARDBUS_VPP_VCC;
} else if (spsr & CB_SOCKET_STAT_3VCARD) {
DPRINTF(("3V card\n"));
voltage = CARDBUS_VCC_3V | CARDBUS_VPP_VCC;
} else {
printf("?V card, 0x%x\n", spsr); /* XXX */
return;
}
/* assert reset bit */
intr = Pcic_read(ph, PCIC_INTR);
intr &= ~PCIC_INTR_RESET;
intr |= PCIC_INTR_PCI; /* XXX */
Pcic_write(ph, PCIC_INTR, intr);
/* disable socket i/o: negate output enable bit */
power = Pcic_read(ph, PCIC_PWRCTL);
power &= ~PCIC_PWRCTL_OE;
Pcic_write(ph, PCIC_PWRCTL, power);
/* power down the socket to reset it, clear the card reset pin */
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
/*
* wait 200ms until power fails (Tpf). Then, wait 100ms since
* we are changing Vcc (Toff).
*/
/* delay(300*1000); too much */
/* power up the socket */
pccbb_power(sc, voltage);
/*
* wait 100ms until power raise (Tpr) and 20ms to become
* stable (Tsu(Vcc)).
*
* some machines require some more time to be settled
* (another 200ms is added here).
*/
/* delay((100 + 20 + 200)*1000); too much */
power = Pcic_read(ph, PCIC_PWRCTL);
Pcic_write(ph, PCIC_PWRCTL, power | PCIC_PWRCTL_OE);
/*
* hold RESET at least 10us.
*/
delay(10);
delay(2*1000); /* XXX: TI1130 requires it. */
delay(20*1000); /* XXX: TI1130 requires it. */
/* clear the reset flag */
intr = Pcic_read(ph, PCIC_INTR);
Pcic_write(ph, PCIC_INTR, intr | PCIC_INTR_RESET);
/* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
delay(20000);
/* wait for the chip to finish initializing */
pccbb_pcmcia_wait_ready(ph);
/* zero out the address windows */
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, 0);
/* set the card type */
cardtype = pcmcia_card_gettype(ph->pcmcia);
intr = Pcic_read(ph, PCIC_INTR);
intr &= ~PCIC_INTR_CARDTYPE_MASK;
intr |= ((cardtype == PCMCIA_IFTYPE_IO) ?
PCIC_INTR_CARDTYPE_IO :
PCIC_INTR_CARDTYPE_MEM);
Pcic_write(ph, PCIC_INTR, intr);
DPRINTF(("%s: pccbb_pcmcia_socket_enable %02x cardtype %s %02x\n",
ph->ph_parent->dv_xname, ph->sock,
((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), intr));
/* reinstall all the memory and io mappings */
for (win = 0; win < PCIC_MEM_WINS; ++win) {
if (ph->memalloc & (1 << win)) {
pccbb_pcmcia_do_mem_map(ph, win);
}
}
for (win = 0; win < PCIC_IO_WINS; ++win) {
if (ph->ioalloc & (1 << win)) {
pccbb_pcmcia_do_io_map(ph, win);
}
}
}
/*
* STATIC void pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t *ph)
*
* This function disables the card. All information is stored in
* the first argument, pcmcia_chipset_handle_t.
*/
STATIC void
pccbb_pcmcia_socket_disable(pch)
pcmcia_chipset_handle_t pch;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
u_int8_t power, intr;
DPRINTF(("pccbb_pcmcia_socket_disable\n"));
/* reset signal asserting... */
intr = Pcic_read(ph, PCIC_INTR);
intr &= ~PCIC_INTR_RESET;
Pcic_write(ph, PCIC_INTR, intr);
delay(2*1000);
/* power down the socket */
power = Pcic_read(ph, PCIC_PWRCTL);
power &= ~PCIC_PWRCTL_OE;
Pcic_write(ph, PCIC_PWRCTL, power);
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
/*
* wait 300ms until power fails (Tpf).
*/
delay(300 * 1000);
}
/*
* STATIC int pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t *ph)
*
* This function detects whether a card is in the slot or not.
* If a card is inserted, return 1. Otherwise, return 0.
*/
STATIC int
pccbb_pcmcia_card_detect(pch)
pcmcia_chipset_handle_t pch;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
DPRINTF(("pccbb_pcmcia_card_detect\n"));
return pccbb_detect_card(sc) == 1 ? 1 : 0;
}
#if 0
STATIC int
pccbb_new_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch,
bus_addr_t start, bus_size_t size,
bus_size_t align,
int speed, int flags, /* bus width */
bus_space_tag_t *memtp
bus_space_handle_t *memhp)
#endif
/*
* STATIC int pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch,
* bus_size_t size,
* struct pcmcia_mem_handle *pcmhp)
*
* This function only allocates memory region for pccard. This
* function never maps the allcated region to pccard memory area.
*
* XXX: Why the argument of start address is not in?
*/
STATIC int
pccbb_pcmcia_mem_alloc(pch, size, pcmhp)
pcmcia_chipset_handle_t pch;
bus_size_t size;
struct pcmcia_mem_handle *pcmhp;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
bus_space_handle_t memh;
bus_addr_t addr;
bus_size_t sizepg;
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
#if rbus
rbus_tag_t rb;
#endif
/* out of sc->memh, allocate as many pages as necessary */
/* convert size to PCIC pages */
/*
This is not enough; when the requested region is on the
page boundaries, this may calculate wrong result.
*/
sizepg = (size + (PCIC_MEM_PAGESIZE - 1)) / PCIC_MEM_PAGESIZE;
#if 0
if (sizepg > PCIC_MAX_MEM_PAGES) {
return 1;
}
#endif
if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32)) {
return 1;
}
addr = 0; /* XXX gcc -Wuninitialized */
#if rbus
rb = sc->sc_rbus_memt;
if (rbus_space_alloc(rb, 0, sizepg*PCIC_MEM_PAGESIZE,
sizepg*PCIC_MEM_PAGESIZE - 1, PCIC_MEM_PAGESIZE,
0, &addr, &memh)) {
return 1;
}
#else
if (bus_space_alloc(sc->sc_memt, sc->sc_mem_start, sc->sc_mem_end,
sizepg*PCIC_MEM_PAGESIZE, PCIC_MEM_PAGESIZE,
0 /* boundary */, 0 /* flags */,
&addr, &memh)) {
return 1;
}
#endif
DPRINTF(("pccbb_pcmcia_alloc_mem: addr 0x%lx size 0x%lx, realsize 0x%lx\n",
addr, size, sizepg*PCIC_MEM_PAGESIZE));
pcmhp->memt = sc->sc_memt;
pcmhp->memh = memh;
pcmhp->addr = addr;
pcmhp->size = size;
pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE;
/* What is mhandle? I feel it is very dirty and it must go trush. */
pcmhp->mhandle = 0;
/* No offset??? Funny. */
return 0;
}
/*
* STATIC void pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t pch,
* struct pcmcia_mem_handle *pcmhp)
*
* This function release the memory space allocated by the fuction
* pccbb_pcmcia_mem_alloc().
*/
STATIC void
pccbb_pcmcia_mem_free(pch, pcmhp)
pcmcia_chipset_handle_t pch;
struct pcmcia_mem_handle *pcmhp;
{
#if rbus
struct pcic_handle *ph = (struct pcic_handle *)pch;
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
rbus_space_free(sc->sc_rbus_memt, pcmhp->memh, pcmhp->realsize, NULL);
#else
bus_space_free(pcmhp->memt, pcmhp->memh, pcmhp->realsize);
#endif
}
/*
* STATIC void pccbb_pcmcia_do_mem_map(struct pcic_handle *ph, int win)
*
* This function release the memory space allocated by the fuction
* pccbb_pcmcia_mem_alloc().
*/
STATIC void
pccbb_pcmcia_do_mem_map(ph, win)
struct pcic_handle *ph;
int win;
{
int regbase_win;
bus_addr_t phys_addr;
bus_addr_t phys_end;
#define PCIC_SMM_START_LOW 0
#define PCIC_SMM_START_HIGH 1
#define PCIC_SMM_STOP_LOW 2
#define PCIC_SMM_STOP_HIGH 3
#define PCIC_CMA_LOW 4
#define PCIC_CMA_HIGH 5
u_int8_t start_low, start_high = 0;
u_int8_t stop_low, stop_high;
u_int8_t off_low, off_high;
u_int8_t mem_window;
int reg;
regbase_win = 0x10 + win*0x08;
phys_addr = ph->mem[win].addr;
phys_end = phys_addr + ph->mem[win].size;
DPRINTF(("pccbb_pcmcia_do_mem_map: start 0x%lx end 0x%lx off 0x%lx\n",
phys_addr, phys_end, ph->mem[win].offset));
#define PCIC_MEMREG_LSB_SHIFT PCIC_SYSMEM_ADDRX_SHIFT
#define PCIC_MEMREG_MSB_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 8)
#define PCIC_MEMREG_WIN_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 12)
start_low = (phys_addr >> PCIC_MEMREG_LSB_SHIFT) & 0xff; /* bit 19:12 */
start_high = ((phys_addr >> PCIC_MEMREG_MSB_SHIFT) & 0x0f) /* bit 23:20 */
| PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT; /* bit 7 on */
/* bit 31:24, for 32-bit address */
mem_window = (phys_addr >> PCIC_MEMREG_WIN_SHIFT) & 0xff; /* bit 31:24 */
Pcic_write(ph, regbase_win + PCIC_SMM_START_LOW, start_low);
Pcic_write(ph, regbase_win + PCIC_SMM_START_HIGH, start_high);
if (((struct pccbb_softc *)ph->ph_parent)->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
Pcic_write(ph, 0x40 + win, mem_window);
}
#if 0
/* XXX do I want 16 bit all the time? */
PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT;
#endif
stop_low = (phys_end >> PCIC_MEMREG_LSB_SHIFT) & 0xff;
stop_high = ((phys_end >> PCIC_MEMREG_MSB_SHIFT) & 0x0f)
| PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2; /* wait 2 cycles */
/* XXX Geee, WAIT2!! Crazy!! I must rewrite this routine. */
Pcic_write(ph, regbase_win + PCIC_SMM_STOP_LOW, stop_low);
Pcic_write(ph, regbase_win + PCIC_SMM_STOP_HIGH, stop_high);
off_low = (ph->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff;
off_high = ((ph->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8))
& PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK)
| ((ph->mem[win].kind == PCMCIA_MEM_ATTR) ?
PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0);
Pcic_write(ph, regbase_win + PCIC_CMA_LOW, off_low);
Pcic_write(ph, regbase_win + PCIC_CMA_HIGH, off_high);
reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE);
reg |= ((1 << win) | PCIC_ADDRWIN_ENABLE_MEMCS16);
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg);
#if defined CBB_DEBUG
{
int r1, r2, r3, r4, r5, r6, r7 = 0;
r1 = Pcic_read(ph, regbase_win + PCIC_SMM_START_LOW);
r2 = Pcic_read(ph, regbase_win + PCIC_SMM_START_HIGH);
r3 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_LOW);
r4 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_HIGH);
r5 = Pcic_read(ph, regbase_win + PCIC_CMA_LOW);
r6 = Pcic_read(ph, regbase_win + PCIC_CMA_HIGH);
if (((struct pccbb_softc *)(ph->ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
r7 = Pcic_read(ph, 0x40 + win);
}
DPRINTF(("pccbb_pcmcia_do_mem_map window %d: %02x%02x %02x%02x "
"%02x%02x", win, r1, r2, r3, r4, r5, r6));
if (((struct pccbb_softc *)(ph->ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
DPRINTF((" %02x",r7));
}
DPRINTF(("\n"));
}
#endif
}
/*
* STATIC int pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t pch, int kind,
* bus_addr_t card_addr, bus_size_t size,
* struct pcmcia_mem_handle *pcmhp,
* bus_addr_t *offsetp, int *windowp)
*
* This function maps memory space allocated by the fuction
* pccbb_pcmcia_mem_alloc().
*/
STATIC int
pccbb_pcmcia_mem_map(pch, kind, card_addr, size, pcmhp, offsetp, windowp)
pcmcia_chipset_handle_t pch;
int kind;
bus_addr_t card_addr;
bus_size_t size;
struct pcmcia_mem_handle *pcmhp;
bus_addr_t *offsetp;
int *windowp;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
bus_addr_t busaddr;
long card_offset;
int win;
for (win = 0; win < PCIC_MEM_WINS; ++win) {
if ((ph->memalloc & (1 << win)) == 0) {
ph->memalloc |= (1 << win);
break;
}
}
if (win == PCIC_MEM_WINS) {
return 1;
}
*windowp = win;
/* XXX this is pretty gross */
if (((struct pccbb_softc *)ph->ph_parent)->sc_memt != pcmhp->memt) {
panic("pccbb_pcmcia_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_PAGESIZE;
card_addr -= *offsetp;
DPRINTF(("pccbb_pcmcia_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));
ph->mem[win].addr = busaddr;
ph->mem[win].size = size;
ph->mem[win].offset = card_offset;
ph->mem[win].kind = kind;
pccbb_pcmcia_do_mem_map(ph, win);
return 0;
}
/*
* STATIC int pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t pch,
* int window)
*
* This function unmaps memory space which mapped by the fuction
* pccbb_pcmcia_mem_map().
*/
STATIC void
pccbb_pcmcia_mem_unmap(pch, window)
pcmcia_chipset_handle_t pch;
int window;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
int reg;
if (window >= PCIC_MEM_WINS) {
panic("pccbb_pcmcia_mem_unmap: window out of range");
}
reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE);
reg &= ~(1 << window);
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg);
ph->memalloc &= ~(1 << window);
}
#if defined PCCBB_PCMCIA_POLL
struct pccbb_poll_str {
void *arg;
int (* func) __P((void *));
int level;
struct pcic_handle *ph;
int count;
int num;
};
static struct pccbb_poll_str pccbb_poll[10];
static int pccbb_poll_n = 0;
static void pccbb_pcmcia_poll __P((void *arg));
static void
pccbb_pcmcia_poll(arg)
void *arg;
{
struct pccbb_poll_str *poll = arg;
struct pcic_handle *ph = poll->ph;
struct pccbb_softc *sc = ph->sc;
int s;
u_int32_t spsr; /* socket present-state reg */
timeout(pccbb_pcmcia_poll, arg, hz*2);
switch (poll->level) {
case IPL_NET:
s = splnet();
break;
case IPL_BIO:
s = splbio();
break;
case IPL_TTY: /* fallthrough */
default:
s = spltty();
break;
}
spsr = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT);
#if defined PCCBB_PCMCIA_POLL_ONLY && defined LEVEL2
if (!(spsr & 0x40)) /* CINT low */
#else
if (1)
#endif
{
if ((*poll->func)(poll->arg) > 0) {
++poll->count;
// printf("intr: reported from poller, 0x%x\n", spsr);
#if defined LEVEL2
} else {
printf("intr: miss! 0x%x\n", spsr);
#endif
}
}
splx(s);
}
#endif /* defined CB_PCMCIA_POLL */
/*
* STATIC void *pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t pch,
* struct pcmcia_function *pf,
* int ipl,
* int (*func)(void *),
* void *arg);
*
* This function enables PC-Card interrupt. PCCBB uses PCI interrupt line.
*/
STATIC void *
pccbb_pcmcia_intr_establish(pch, pf, ipl, func, arg)
pcmcia_chipset_handle_t pch;
struct pcmcia_function *pf;
int ipl;
int (*func) __P((void *));
void *arg;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
pci_intr_handle_t handle;
void *ih;
if (!(pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) {
/* what should I do? */
if ((pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) {
DPRINTF(("%s does not provide edge nor pulse interrupt\n",
sc->sc_dev.dv_xname));
return NULL;
}
/*
* XXX Noooooo! The interrupt flag must set properly!!
* dumb pcmcia driver!!
*/
}
if (pci_intr_map(sc->sc_pc, sc->sc_intrtag, sc->sc_intrpin,
sc->sc_intrline, &handle)) {
printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
return NULL;
}
DPRINTF(("pccbb_pcmcia_intr_establish: line %d, handle %d\n",
sc->sc_intrline, handle));
if (NULL != (ih = pci_intr_establish(sc->sc_pc, handle, ipl, func, arg)))
{
u_int32_t cbctrl;
if ((CB_TI113X == sc->sc_chipset)) {
cbctrl = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL);
cbctrl |= PCI113X_CBCTRL_PCI_INTR; /* PCI functional intr req */
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, cbctrl);
}
}
#if defined PCCBB_PCMCIA_POLL
if (pccbb_poll_n < 10) {
pccbb_poll[pccbb_poll_n].arg = arg;
pccbb_poll[pccbb_poll_n].func = func;
pccbb_poll[pccbb_poll_n].level = ipl;
pccbb_poll[pccbb_poll_n].count = 0;
pccbb_poll[pccbb_poll_n].num = pccbb_poll_n;
pccbb_poll[pccbb_poll_n].ph = ph;
timeout(pccbb_pcmcia_poll, &pccbb_poll[pccbb_poll_n++], hz*2);
printf("polling set\n");
}
#endif
#if defined SHOW_REGS
cb_show_regs(sc->sc_pc, sc->sc_tag, sc->sc_base_memt, sc->sc_base_memh);
#endif
return ih;
}
/*
* STATIC void pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t pch,
* void *ih)
*
* This function disables PC-Card interrupt.
*/
STATIC void
pccbb_pcmcia_intr_disestablish(pch, ih)
pcmcia_chipset_handle_t pch;
void *ih;
{
struct pcic_handle *ph = (struct pcic_handle *)pch;
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
pci_intr_disestablish(sc->sc_pc, ih);
}
#if rbus
/*
* static int
* pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t ct, rbus_tag_t rb,
* bus_addr_t addr, bus_size_t size,
* bus_addr_t mask, bus_size_t align,
* int flags, bus_addr_t *addrp;
* bus_space_handle_t *bshp)
*
* This function allocates a portion of memory or io space for
* clients. This function is called from CardBus card drivers.
*/
static int
pccbb_rbus_cb_space_alloc(ct, rb, addr, size, mask, align, flags, addrp, bshp)
cardbus_chipset_tag_t ct;
rbus_tag_t rb;
bus_addr_t addr;
bus_size_t size;
bus_addr_t mask;
bus_size_t align;
int flags;
bus_addr_t *addrp;
bus_space_handle_t *bshp;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
DPRINTF(("pccbb_rbus_cb_space_alloc: adr %lx, size %lx, mask %lx, align %lx\n", addr, size, mask, align));
if (align == 0) {
align = size;
}
if (rb->rb_bt == sc->sc_memt) {
if (align < 16) {
return 1;
}
} else if (rb->rb_bt == sc->sc_iot) {
if (align < 4) {
return 1;
}
} else {
DPRINTF(("pccbb_rbus_cb_space_alloc: Bus space tag %x is NOT used.\n",
rb->rb_bt));
return 1;
/* XXX: panic here? */
}
/* XXX: hack for avoiding ISA image */
if (mask < 0x3ff) {
mask = 0x3ff;
addr = 0x300;
}
if (rbus_space_alloc(rb, addr, size, mask, align, flags, addrp, bshp)) {
printf("%s: <rbus> no bus space\n", sc->sc_dev.dv_xname);
return 1;
}
pccbb_open_win(sc, rb->rb_bt, *addrp, size, *bshp, 0);
return 0;
}
/*
* static int
* pccbb_rbus_cb_space_free(cardbus_chipset_tag_t *ct, rbus_tag_t rb,
* bus_space_handle_t *bshp, bus_size_t size);
*
* This function is called from CardBus card drivers.
*/
static int
pccbb_rbus_cb_space_free(ct, rb, bsh, size)
cardbus_chipset_tag_t ct;
rbus_tag_t rb;
bus_space_handle_t bsh;
bus_size_t size;
{
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
bus_space_tag_t bt = rb->rb_bt;
pccbb_close_win(sc, bt, bsh, size);
if (bt == sc->sc_memt) {
} else if (bt == sc->sc_iot) {
} else {
return 1;
/* XXX: panic here? */
}
return rbus_space_free(rb, bsh, size, NULL);
}
#endif /* rbus */
#if rbus
static int
pccbb_open_win(sc, bst, addr, size, bsh, flags)
struct pccbb_softc *sc;
bus_space_tag_t bst;
bus_addr_t addr;
bus_size_t size;
bus_space_handle_t bsh;
int flags;
{
struct pccbb_win_chain **top;
bus_addr_t align;
top = &sc->sc_iowindow;
align = 0x04;
if (sc->sc_memt == bst) {
top = &sc->sc_memwindow;
align = 0x1000;
DPRINTF(("using memory window, %x %x %x\n\n",
sc->sc_iot, sc->sc_memt, bst));
}
if (pccbb_winlist_insert(top, addr, size, bsh, flags)) {
printf("winlist insert fails:\n");
}
pccbb_winset(align, sc, bst);
return 0;
}
static int
pccbb_close_win(sc, bst, bsh, size)
struct pccbb_softc *sc;
bus_space_tag_t bst;
bus_space_handle_t bsh;
bus_size_t size;
{
struct pccbb_win_chain **top;
bus_addr_t align;
top = &sc->sc_iowindow;
align = 0x04;
if (sc->sc_memt == bst) {
top = &sc->sc_memwindow;
align = 0x1000;
}
if (pccbb_winlist_delete(top, bsh, size)) {
printf("winlist delete fails:\n");
}
pccbb_winset(align, sc, bst);
return 0;
}
static int
pccbb_winlist_insert(top, start, size, bsh, flags)
struct pccbb_win_chain **top;
bus_addr_t start;
bus_size_t size;
bus_space_handle_t bsh;
int flags;
{
struct pccbb_win_chain *chainp = *top;
struct pccbb_win_chain *before = *top;
struct pccbb_win_chain *elem;
if (*top == NULL) {
if (NULL == (elem = (struct pccbb_win_chain *)malloc(sizeof(struct pccbb_win_chain), M_DEVBUF, M_NOWAIT))) {
return 1; /* fail */
}
elem->wc_start = start;
elem->wc_end = start + size - 1;
elem->wc_handle = bsh;
elem->wc_flags = flags;
*top = elem;
elem->wc_next = NULL;
return 0;
}
for(; chainp && chainp->wc_start <= start; chainp = chainp->wc_next) {
before = chainp;
}
if (chainp != NULL) {
if (chainp->wc_start < start + size) {
printf("fatal! 0x%lx 0x%lx\n", chainp->wc_start, start+size);
return 1;
}
}
if ((before != *top) && (before->wc_end >= start)) {
printf("fatal!! 0x%lx 0x%lx\n", before->wc_end, start);
return 1;
}
if (NULL == (elem = (struct pccbb_win_chain *)malloc(sizeof(struct pccbb_win_chain), M_DEVBUF, M_NOWAIT))) {
return 1; /* fail */
}
elem->wc_start = start;
elem->wc_end = start + size - 1;
elem->wc_handle = bsh;
elem->wc_flags = flags;
elem->wc_next = chainp;
if (chainp == *top) {
*top = elem;
} else {
before->wc_next = elem;
}
return 0;
}
static int
pccbb_winlist_delete(top, bsh, size)
struct pccbb_win_chain **top;
bus_space_handle_t bsh;
bus_size_t size;
{
struct pccbb_win_chain *chainp = *top;
struct pccbb_win_chain **before = top;
for (; chainp && chainp->wc_handle != bsh; chainp = chainp->wc_next) {
before = &chainp->wc_next;
}
if (chainp == NULL) {
return 1; /* fail: no candidate to remove */
}
if (chainp->wc_end - chainp->wc_start != size - 1) {
printf("fatal!!! 0x%lx\n", chainp->wc_start);
return 1; /* fail: no candidate to remove */
}
*before = chainp->wc_next;
free(chainp, M_DEVBUF);
return 0;
}
static void
pccbb_winset(align, sc, bst)
bus_addr_t align;
struct pccbb_softc *sc;
bus_space_tag_t bst;
{
pci_chipset_tag_t pc;
pcitag_t tag;
bus_addr_t mask = ~(align - 1);
struct {
cardbusreg_t win_start;
cardbusreg_t win_limit;
int win_flags;
} win[2];
struct pccbb_win_chain *chainp;
int offs;
win[0].win_start = 0xffffffff;
win[0].win_limit = 0;
win[1].win_start = 0xffffffff;
win[1].win_limit = 0;
chainp = sc->sc_iowindow;
offs = 0x2c;
if (sc->sc_memt == bst) {
chainp = sc->sc_memwindow;
offs = 0x1c;
}
if (chainp) {
win[0].win_start = chainp->wc_start & mask;
win[0].win_limit = chainp->wc_end & mask;
win[0].win_flags = chainp->wc_flags;
chainp = chainp->wc_next;
}
for(; chainp; chainp = chainp->wc_next) {
if (win[1].win_start == 0xffffffff) {
/* window 1 is not used */
if ((win[0].win_flags == chainp->wc_flags) &&
(win[0].win_limit + align >= (chainp->wc_start & mask))) {
/* concatinate */
win[0].win_limit = chainp->wc_end & mask;
} else {
/* make new window */
win[1].win_start = chainp->wc_start & mask;
win[1].win_limit = chainp->wc_end & mask;
win[1].win_flags = chainp->wc_flags;
}
continue;
}
/* Both windows are engagad. */
if (win[0].win_flags == win[1].win_flags) {
/* same flags */
if (win[0].win_flags == chainp->wc_flags) {
win[1].win_limit = chainp->wc_end & mask;
if (win[1].win_start - (win[0].win_limit + align)
< (chainp->wc_start & mask) - (win[1].win_limit + align)) {
win[0].win_limit = win[1].win_limit;
win[1].win_start = chainp->wc_start & mask;
}
} else {
/* different flags */
/* concatinate win0 and win1 */
win[0].win_limit = win[1].win_limit;
/* allocate win[1] to new space */
win[1].win_start = chainp->wc_start & mask;
win[1].win_limit = chainp->wc_end & mask;
win[1].win_flags = chainp->wc_flags;
}
} else {
/* the flags of win[0] and win[1] is different */
if (win[0].win_flags == chainp->wc_flags) {
win[0].win_limit = chainp->wc_end & mask;
} else {
win[1].win_limit = chainp->wc_end & mask;
}
}
}
pc = sc->sc_pc;
tag = sc->sc_tag;
pci_conf_write(pc, tag, offs, win[0].win_start);
pci_conf_write(pc, tag, offs+4, win[0].win_limit);
pci_conf_write(pc, tag, offs+8, win[1].win_start);
pci_conf_write(pc, tag, offs+12, win[1].win_limit);
DPRINTF(("--pccbb_winset: win0 [%x, %lx), win1 [%x, %lx)\n",
pci_conf_read(pc, tag, offs),
pci_conf_read(pc, tag, offs+4) + align,
pci_conf_read(pc, tag, offs+8),
pci_conf_read(pc, tag, offs+12) + align));
if (bst == sc->sc_memt) {
if (win[0].win_start & PCCBB_MEM_CACHABLE) {
pcireg_t bcr = pci_conf_read(pc, tag, PCI_BCR_INTR);
bcr |= CB_BCR_PREFETCH_MEMWIN0;
pci_conf_write(pc,tag, PCI_BCR_INTR, bcr);
}
if (win[1].win_start & PCCBB_MEM_CACHABLE) {
pcireg_t bcr = pci_conf_read(pc, tag, PCI_BCR_INTR);
bcr |= CB_BCR_PREFETCH_MEMWIN1;
pci_conf_write(pc,tag, PCI_BCR_INTR, bcr);
}
}
}
#endif /* rbus */
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