/*
* Copyright (c) 2000,2001 Jonathan Chen.
* 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,
* without modification, immediately at the beginning of the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
/*
* Driver for PCI to Cardbus Bridge chips
*
* References:
* TI Datasheets:
* http://www-s.ti.com/cgi-bin/sc/generic2.cgi?family=PCI+CARDBUS+CONTROLLERS
* Much of the 16-bit PC Card compatibility code stolen from dev/pcic/i82365.c
* XXX and should be cleaned up to share as much as possible.
*
* Written by Jonathan Chen <jon@freebsd.org>
* The author would like to acknowledge:
* * HAYAKAWA Koichi: Author of the NetBSD code for the same thing
* * Warner Losh: Newbus/newcard guru and author of the pccard side of things
* * YAMAMOTO Shigeru: Author of another FreeBSD cardbus driver
* * David Cross: Author of the initial ugly hack for a specific cardbus card
*/
#define CBB_DEBUG
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <pci/pcireg.h>
#include <pci/pcivar.h>
#include <machine/clock.h>
#include <dev/pccard/pccardreg.h>
#include <dev/pccard/pccardvar.h>
#include <dev/pcic/i82365reg.h>
#include <dev/pccbb/pccbbreg.h>
#include <dev/pccbb/pccbbvar.h>
#include "power_if.h"
#include "card_if.h"
#include "pcib_if.h"
#if defined CBB_DEBUG
#define DPRINTF(x) printf x
#define DEVPRINTF(x) device_printf x
#else
#define DPRINTF(x)
#define DEVPRINTF(x)
#endif
#define PCI_MASK_CONFIG(DEV,REG,MASK,SIZE) \
pci_write_config(DEV, REG, pci_read_config(DEV, REG, SIZE) MASK, SIZE)
#define PCI_MASK2_CONFIG(DEV,REG,MASK1,MASK2,SIZE) \
pci_write_config(DEV, REG, ( \
pci_read_config(DEV, REG, SIZE) MASK1) MASK2, SIZE)
/*
* XXX all the pcic code really doesn't belong here and needs to be
* XXX migrated to its own file, shared with the 16-bit code
*/
#define PCIC_READ(SC,REG) \
(((u_int8_t*)((SC)->sc_socketreg))[0x800+(REG)])
#define PCIC_WRITE(SC,REG,val) \
(((u_int8_t*)((SC)->sc_socketreg))[0x800+(REG)]) = (val)
#define PCIC_MASK(SC,REG,MASK) \
PCIC_WRITE(SC,REG,PCIC_READ(SC,REG) MASK)
#define PCIC_MASK2(SC,REG,MASK,MASK2) \
PCIC_WRITE(SC,REG,(PCIC_READ(SC,REG) MASK) MASK2)
struct pccbb_sclist {
struct pccbb_softc *sc;
STAILQ_ENTRY(pccbb_sclist) entries;
};
static STAILQ_HEAD(, pccbb_sclist) softcs;
static int softcs_init = 0;
struct yenta_chipinfo {
u_int32_t yc_id;
const char *yc_name;
int yc_chiptype;
int yc_flags;
} yc_chipsets[] = {
/* Texas Instruments chips */
{PCI_DEVICE_ID_PCIC_TI1130, "TI1130 PCI-CardBus Bridge", CB_TI113X,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1131, "TI1131 PCI-CardBus Bridge", CB_TI113X,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1211, "TI1211 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1220, "TI1220 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1221, "TI1221 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1225, "TI1225 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1250, "TI1250 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1251, "TI1251 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1251B,"TI1251B PCI-CardBus Bridge",CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1410, "TI1410 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1420, "TI1420 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1450, "TI1450 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_TI1451, "TI1451 PCI-CardBus Bridge", CB_TI12XX,
PCCBB_PCIC_IO_RELOC | PCCBB_PCIC_MEM_32},
/* Ricoh chips */
{PCI_DEVICE_ID_RICOH_RL5C465, "RF5C465 PCI-CardBus Bridge",
CB_RF5C46X, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_RICOH_RL5C466, "RF5C466 PCI-CardBus Bridge",
CB_RF5C46X, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_RICOH_RL5C475, "RF5C475 PCI-CardBus Bridge",
CB_RF5C47X, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_RICOH_RL5C476, "RF5C476 PCI-CardBus Bridge",
CB_RF5C47X, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_RICOH_RL5C478, "RF5C478 PCI-CardBus Bridge",
CB_RF5C47X, PCCBB_PCIC_MEM_32},
/* Toshiba products */
{PCI_DEVICE_ID_TOSHIBA_TOPIC95, "ToPIC95 PCI-CardBus Bridge",
CB_TOPIC95, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_TOSHIBA_TOPIC95B, "ToPIC95B PCI-CardBus Bridge",
CB_TOPIC95B, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_TOSHIBA_TOPIC97, "ToPIC97 PCI-CardBus Bridge",
CB_TOPIC97, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_TOSHIBA_TOPIC100, "ToPIC100 PCI-CardBus Bridge",
CB_TOPIC97, PCCBB_PCIC_MEM_32},
/* Cirrus Logic */
{PCI_DEVICE_ID_PCIC_CLPD6832, "CLPD6832 PCI-CardBus Bridge",
CB_CIRRUS, PCCBB_PCIC_MEM_32},
{PCI_DEVICE_ID_PCIC_CLPD6833, "CLPD6833 PCI-CardBus Bridge",
CB_CIRRUS, PCCBB_PCIC_MEM_32},
/* sentinel */
{0 /* null id */, "unknown",
CB_UNKNOWN, 0},
};
static int cb_chipset(u_int32_t pci_id, const char** namep, int* flagp);
static int pccbb_probe(device_t dev);
static void pccbb_chipinit(struct pccbb_softc* sc);
static int pccbb_attach(device_t dev);
static int pccbb_detach(device_t dev);
static void pccbb_driver_added(device_t dev, driver_t *driver);
static void pccbb_child_detached(device_t dev, device_t child);
static void pccbb_event_thread (void *arg);
static void pccbb_create_event_thread (struct pccbb_softc *sc);
static void pccbb_start_threads(void *arg);
static void pccbb_insert (struct pccbb_softc *sc);
static void pccbb_removal (struct pccbb_softc *sc);
static void pccbb_intr(void* arg);
static int pccbb_detect_voltage(device_t dev);
static int pccbb_power(device_t dev, int volts);
static void pccbb_cardbus_reset(device_t dev);
static int pccbb_cardbus_power_enable_socket(device_t self, device_t child);
static void pccbb_cardbus_power_disable_socket(device_t self, device_t child);
static int pccbb_cardbus_io_open(device_t dev, int win,
u_int32_t start, u_int32_t end);
static int pccbb_cardbus_mem_open(device_t dev, int win,
u_int32_t start, u_int32_t end);
static void pccbb_cardbus_auto_open(struct pccbb_softc *sc, int type);
static int pccbb_cardbus_activate_resource(device_t self, device_t child,
int type, int rid,
struct resource *r);
static int pccbb_cardbus_deactivate_resource(device_t self, device_t child,
int type, int rid,
struct resource *r);
static struct resource* pccbb_cardbus_alloc_resource(device_t self,
device_t child, int type, int* rid,
u_long start, u_long end, u_long count,
u_int flags);
static int pccbb_cardbus_release_resource(device_t self, device_t child,
int type,int rid,
struct resource *r);
static int pccbb_pcic_power_enable_socket(device_t self, device_t child);
static void pccbb_pcic_power_disable_socket(device_t self, device_t child);
static void pccbb_pcic_wait_ready(struct pccbb_softc *sc);
static void pccbb_pcic_do_mem_map(struct pccbb_softc *sc, int win);
static int pccbb_pcic_mem_map(struct pccbb_softc *sc, int kind,
struct resource *r, bus_addr_t card_addr,
int *win);
static void pccbb_pcic_mem_unmap(struct pccbb_softc *sc, int window);
static void pccbb_pcic_do_io_map(struct pccbb_softc *sc, int win);
static int pccbb_pcic_io_map(struct pccbb_softc *sc, int width,
struct resource *r, bus_addr_t card_addr,
int *win);
static void pccbb_pcic_io_unmap(struct pccbb_softc *sc, int window);
static int pccbb_pcic_activate_resource(device_t self, device_t child,
int type, int rid, struct resource *r);
static int pccbb_pcic_deactivate_resource(device_t self, device_t child,
int type,int rid, struct resource *r);
static struct resource* pccbb_pcic_alloc_resource(device_t self,device_t child,
int type, int* rid, u_long start,
u_long end, u_long count, u_int flags);
static int pccbb_pcic_release_resource(device_t self, device_t child, int type,
int rid, struct resource *res);
static int pccbb_pcic_set_res_flags(device_t self, device_t child, int type,
int rid, u_int32_t flags);
static int pccbb_pcic_set_memory_offset(device_t self, device_t child, int rid,
u_int32_t offset, u_int32_t *deltap);
static int pccbb_power_enable_socket(device_t self, device_t child);
static void pccbb_power_disable_socket(device_t self, device_t child);
static int pccbb_activate_resource(device_t self, device_t child, int type,
int rid, struct resource *r);
static int pccbb_deactivate_resource(device_t self, device_t child, int type,
int rid, struct resource *r);
static struct resource* pccbb_alloc_resource(device_t self, device_t child,
int type, int* rid, u_long start,
u_long end, u_long count,
u_int flags);
static int pccbb_release_resource(device_t self, device_t child,
int type, int rid, struct resource *r);
static int pccbb_maxslots(device_t dev);
static u_int32_t pccbb_read_config(device_t dev, int b, int s, int f,
int reg, int width);
static void pccbb_write_config(device_t dev, int b, int s, int f, int reg,
u_int32_t val, int width);
/************************************************************************/
/* Probe/Attach */
/************************************************************************/
static int
cb_chipset(u_int32_t pci_id, const char** 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;
}
static int
pccbb_probe(device_t dev)
{
const char *name;
if (cb_chipset(pci_get_devid(dev), &name, NULL) == CB_UNKNOWN)
return ENXIO;
device_set_desc(dev, name);
return 0;
}
static void
pccbb_chipinit(struct pccbb_softc* sc)
{
/* Set CardBus latency timer */
if (pci_read_config(sc->sc_dev, PCIR_SECLAT_1, 1) < 0x20)
pci_write_config(sc->sc_dev, PCIR_SECLAT_1, 0x20, 1);
/* Set PCI latency timer */
if (pci_read_config(sc->sc_dev, PCIR_LATTIMER, 1) < 0x20)
pci_write_config(sc->sc_dev, PCIR_LATTIMER, 0x20, 1);
/* Enable memory access */
PCI_MASK_CONFIG(sc->sc_dev, PCIR_COMMAND,
| PCIM_CMD_MEMEN
| PCIM_CMD_PORTEN
| PCIM_CMD_BUSMASTEREN, 2);
/* disable Legacy IO */
switch (sc->sc_chipset) {
case CB_RF5C46X:
case CB_RF5C47X:
PCI_MASK_CONFIG(sc->sc_dev, PCCBBR_BRIDGECTRL,
& ~(PCCBBM_BRIDGECTRL_RL_3E0_EN|
PCCBBM_BRIDGECTRL_RL_3E2_EN), 2);
break;
default:
pci_write_config(sc->sc_dev, PCCBBR_LEGACY, 0x0, 4);
break;
}
/* Use PCI interrupt for interrupt routing */
PCI_MASK2_CONFIG(sc->sc_dev, PCCBBR_BRIDGECTRL,
& ~(PCCBBM_BRIDGECTRL_MASTER_ABORT |
PCCBBM_BRIDGECTRL_INTR_IREQ_EN),
| PCCBBM_BRIDGECTRL_WRITE_POST_EN,
2);
switch (sc->sc_chipset) {
case CB_TI113X:
PCI_MASK2_CONFIG(sc->sc_dev, PCCBBR_CBCTRL,
& ~PCCBBM_CBCTRL_113X_PCI_INTR,
| PCCBBM_CBCTRL_113X_PCI_CSC
| PCCBBM_CBCTRL_113X_PCI_IRQ_EN, 1);
PCI_MASK_CONFIG(sc->sc_dev, PCCBBR_DEVCTRL,
& ~(PCCBBM_DEVCTRL_INT_SERIAL|
PCCBBM_DEVCTRL_INT_PCI), 1);
PCIC_WRITE(sc, PCIC_INTR, PCIC_INTR_ENABLE);
PCIC_WRITE(sc, PCIC_CSC_INTR, 0);
break;
case CB_TI12XX:
PCIC_WRITE(sc, PCIC_INTR, PCIC_INTR_ENABLE);
PCIC_WRITE(sc, PCIC_CSC_INTR, 0);
break;
case CB_TOPIC95B:
PCI_MASK_CONFIG(sc->sc_dev, PCCBBR_TOPIC_SOCKETCTRL,
| PCCBBM_TOPIC_SOCKETCTRL_SCR_IRQSEL, 4);
PCI_MASK2_CONFIG(sc->sc_dev, PCCBBR_TOPIC_SLOTCTRL,
| PCCBBM_TOPIC_SLOTCTRL_SLOTON
| PCCBBM_TOPIC_SLOTCTRL_SLOTEN
| PCCBBM_TOPIC_SLOTCTRL_ID_LOCK
| PCCBBM_TOPIC_SLOTCTRL_CARDBUS,
& ~PCCBBM_TOPIC_SLOTCTRL_SWDETECT, 4);
break;
}
/* close all memory and io windows */
pci_write_config(sc->sc_dev, PCCBBR_MEMBASE0, 0xffffffff, 4);
pci_write_config(sc->sc_dev, PCCBBR_MEMLIMIT0, 0, 4);
pci_write_config(sc->sc_dev, PCCBBR_MEMBASE1, 0xffffffff, 4);
pci_write_config(sc->sc_dev, PCCBBR_MEMLIMIT1, 0, 4);
pci_write_config(sc->sc_dev, PCCBBR_IOBASE0, 0xffffffff, 4);
pci_write_config(sc->sc_dev, PCCBBR_IOLIMIT0, 0, 4);
pci_write_config(sc->sc_dev, PCCBBR_IOBASE1, 0xffffffff, 4);
pci_write_config(sc->sc_dev, PCCBBR_IOLIMIT1, 0, 4);
}
static int
pccbb_attach(device_t dev)
{
struct pccbb_softc *sc = (struct pccbb_softc *)device_get_softc(dev);
int rid;
u_int32_t tmp;
if (!softcs_init) {
softcs_init = 1;
STAILQ_INIT(&softcs);
}
mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_DEF);
sc->sc_chipset = cb_chipset(pci_get_devid(dev), NULL, &sc->sc_flags);
sc->sc_dev = dev;
sc->sc_cbdev = NULL;
sc->sc_pccarddev = NULL;
sc->sc_secbus = pci_read_config(dev, PCIR_SECBUS_2, 1);
sc->sc_subbus = pci_read_config(dev, PCIR_SUBBUS_2, 1);
sc->memalloc = 0;
sc->ioalloc = 0;
SLIST_INIT(&sc->rl);
/* Ths PCI bus should have given me memory... right? */
rid=PCCBBR_SOCKBASE;
sc->sc_base_res=bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
0,~0,1, RF_ACTIVE);
if (!sc->sc_base_res) {
/*
* XXX eVILE HACK BAD THING! XXX
* The pci bus device should do this for us.
* Some BIOSes doesn't assign a memory space properly.
* So we try to manually put one in...
*/
u_int32_t sockbase;
sockbase = pci_read_config(dev, rid, 4);
if (sockbase < 0x100000 || sockbase >= 0xfffffff0) {
pci_write_config(dev, rid, 0xffffffff, 4);
sockbase = pci_read_config(dev, rid, 4);
sockbase = (sockbase & 0xfffffff0) &
-(sockbase & 0xfffffff0);
sc->sc_base_res = bus_generic_alloc_resource(
device_get_parent(dev), dev, SYS_RES_MEMORY,
&rid, CARDBUS_SYS_RES_MEMORY_START,
CARDBUS_SYS_RES_MEMORY_END, sockbase,
RF_ACTIVE|rman_make_alignment_flags(sockbase));
if (!sc->sc_base_res){
device_printf(dev,
"Could not grab register memory\n");
mtx_destroy(&sc->sc_mtx);
return ENOMEM;
}
pci_write_config(dev, PCCBBR_SOCKBASE,
rman_get_start(sc->sc_base_res), 4);
DEVPRINTF((dev, "PCI Memory allocated: %08lx\n",
rman_get_start(sc->sc_base_res)));
} else {
device_printf(dev, "Could not map register memory\n");
mtx_destroy(&sc->sc_mtx);
return ENOMEM;
}
}
sc->sc_socketreg =
(struct pccbb_socketreg *)rman_get_virtual(sc->sc_base_res);
pccbb_chipinit(sc);
/* CSC Interrupt: Card detect interrupt on */
sc->sc_socketreg->socket_mask |= PCCBB_SOCKET_MASK_CD;
/* reset interrupt */
tmp = sc->sc_socketreg->socket_event;
sc->sc_socketreg->socket_event = tmp;
/* Map and establish the interrupt. */
rid=0;
sc->sc_irq_res=bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
printf("pccbb: Unable to map IRQ...\n");
bus_release_resource(dev, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
sc->sc_base_res);
mtx_destroy(&sc->sc_mtx);
return ENOMEM;
}
if (bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO, pccbb_intr, sc,
&(sc->sc_intrhand))) {
device_printf(dev, "couldn't establish interrupt");
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res);
bus_release_resource(dev, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
sc->sc_base_res);
mtx_destroy(&sc->sc_mtx);
return ENOMEM;
}
/* attach children */
sc->sc_cbdev = device_add_child(dev, "cardbus", -1);
if (sc->sc_cbdev == NULL)
DEVPRINTF((dev, "WARNING: cannot add cardbus bus.\n"));
else if (device_probe_and_attach(sc->sc_cbdev) != 0) {
DEVPRINTF((dev, "WARNING: cannot attach cardbus bus!\n"));
sc->sc_cbdev = NULL;
}
sc->sc_pccarddev = device_add_child(dev, "pccard", -1);
if (sc->sc_pccarddev == NULL)
DEVPRINTF((dev, "WARNING: cannot add pccard bus.\n"));
else if (device_probe_and_attach(sc->sc_pccarddev) != 0) {
DEVPRINTF((dev, "WARNING: cannot attach pccard bus.\n"));
sc->sc_pccarddev = NULL;
}
#ifndef KLD_MODULE
if (sc->sc_cbdev == NULL && sc->sc_pccarddev == NULL) {
device_printf(dev, "ERROR: Failed to attach cardbus/pccard bus!\n");
bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_intrhand);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res);
bus_release_resource(dev, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
sc->sc_base_res);
mtx_destroy(&sc->sc_mtx);
return ENOMEM;
}
#endif
{
struct pccbb_sclist *sclist;
sclist = malloc(sizeof(struct pccbb_sclist), M_DEVBUF,
M_WAITOK);
sclist->sc = sc;
STAILQ_INSERT_TAIL(&softcs, sclist, entries);
}
return 0;
}
static int
pccbb_detach(device_t dev)
{
struct pccbb_softc *sc = device_get_softc(dev);
int numdevs;
device_t *devlist;
int tmp;
int error;
device_get_children(dev, &devlist, &numdevs);
error = 0;
for (tmp = 0; tmp < numdevs; tmp++) {
if (device_detach(devlist[tmp]) == 0)
device_delete_child(dev, devlist[tmp]);
else
error++;
}
free(devlist, M_TEMP);
if (error > 0)
return ENXIO;
mtx_lock(&sc->sc_mtx);
bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_intrhand);
sc->sc_flags |= PCCBB_KTHREAD_DONE;
if (sc->sc_flags & PCCBB_KTHREAD_RUNNING) {
wakeup(sc);
mtx_unlock(&sc->sc_mtx);
DEVPRINTF((dev, "waiting for kthread exit..."));
error = tsleep(sc, PWAIT, "pccbb-detach-wait", 60 * hz);
if (error)
DPRINTF(("timeout\n"));
else
DPRINTF(("done\n"));
} else
mtx_unlock(&sc->sc_mtx);
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res);
bus_release_resource(dev, SYS_RES_MEMORY, PCCBBR_SOCKBASE,
sc->sc_base_res);
mtx_destroy(&sc->sc_mtx);
return 0;
}
static void
pccbb_driver_added(device_t dev, driver_t *driver)
{
struct pccbb_softc *sc = device_get_softc(dev);
device_t *devlist;
int tmp;
int numdevs;
DEVICE_IDENTIFY(driver, dev);
device_get_children(dev, &devlist, &numdevs);
for (tmp = 0; tmp < numdevs; tmp++) {
if (device_get_state(devlist[tmp]) == DS_NOTPRESENT &&
device_probe_and_attach(devlist[tmp]) == 0) {
if (devlist[tmp] == NULL)
/* NOTHING */;
else if (strcmp(driver->name, "cardbus") == 0) {
sc->sc_cbdev = devlist[tmp];
if ((sc->sc_socketreg->socket_state
& PCCBB_SOCKET_STAT_CD) == 0) {
mtx_lock(&sc->sc_mtx);
wakeup(sc);
mtx_unlock(&sc->sc_mtx);
}
} else if (strcmp(driver->name, "pccard") == 0) {
sc->sc_pccarddev = devlist[tmp];
if ((sc->sc_socketreg->socket_state
& PCCBB_SOCKET_STAT_CD) == 0) {
mtx_lock(&sc->sc_mtx);
wakeup(sc);
mtx_unlock(&sc->sc_mtx);
}
} else
device_printf(dev,
"Unsupported child bus: %s\n",
driver->name);
}
}
free(devlist, M_TEMP);
}
static void
pccbb_child_detached(device_t dev, device_t child)
{
struct pccbb_softc *sc = device_get_softc(dev);
if (child == sc->sc_cbdev)
sc->sc_cbdev = NULL;
else if (child == sc->sc_pccarddev)
sc->sc_pccarddev = NULL;
else
device_printf(dev, "Unknown child detached: %s %p/%p\n",
device_get_nameunit(child), sc->sc_cbdev, sc->sc_pccarddev);
}
/************************************************************************/
/* Kthreads */
/************************************************************************/
static void
pccbb_event_thread (void *arg)
{
struct pccbb_softc *sc = arg;
u_int32_t status;
mtx_lock(&Giant);
for(;;) {
if (!(sc->sc_flags & PCCBB_KTHREAD_RUNNING))
sc->sc_flags |= PCCBB_KTHREAD_RUNNING;
else {
tsleep (sc, PWAIT, "pccbbev", 0);
/*
* Delay 1 second, make sure the user is done with
* whatever he is doing. We tsleep on sc->sc_flags,
* which should never be woken up.
*/
tsleep (&sc->sc_flags, PWAIT, "pccbbev", 1*hz);
}
mtx_lock(&sc->sc_mtx);
if (sc->sc_flags & PCCBB_KTHREAD_DONE)
break;
status = sc->sc_socketreg->socket_state;
if ((status & PCCBB_SOCKET_STAT_CD) == 0) {
pccbb_insert(sc);
} else {
pccbb_removal(sc);
}
mtx_unlock(&sc->sc_mtx);
}
mtx_unlock(&sc->sc_mtx);
sc->sc_flags &= ~PCCBB_KTHREAD_RUNNING;
wakeup(sc);
kthread_exit(0);
}
static void
pccbb_create_event_thread (struct pccbb_softc *sc)
{
if (kthread_create(pccbb_event_thread, sc, &sc->event_thread,
0, "%s%d", device_get_name(sc->sc_dev),
device_get_unit(sc->sc_dev))) {
device_printf (sc->sc_dev, "unable to create event thread.\n");
panic ("pccbb_create_event_thread");
}
}
static void
pccbb_start_threads(void *arg)
{
struct pccbb_sclist *sclist;
STAILQ_FOREACH(sclist, &softcs, entries) {
pccbb_create_event_thread(sclist->sc);
}
}
/************************************************************************/
/* Insert/removal */
/************************************************************************/
static void
pccbb_insert (struct pccbb_softc *sc)
{
u_int32_t sockevent, sockstate;
int timeout = 30;
do {
sockevent = sc->sc_socketreg->socket_event;
sockstate = sc->sc_socketreg->socket_state;
} while (sockstate & PCCBB_SOCKET_STAT_CD && --timeout > 0);
if (timeout < 0) {
device_printf (sc->sc_dev, "insert timeout");
return;
}
DEVPRINTF((sc->sc_dev, "card inserted: event=0x%08x, state=%08x\n",
sockevent, sockstate));
if (sockstate & PCCBB_SOCKET_STAT_16BIT && sc->sc_pccarddev != NULL) {
sc->sc_flags |= PCCBB_16BIT_CARD;
if (CARD_ATTACH_CARD(sc->sc_pccarddev) != 0)
device_printf(sc->sc_dev, "card activation failed\n");
} else if (sockstate & PCCBB_SOCKET_STAT_CB && sc->sc_cbdev != NULL) {
sc->sc_flags &= ~PCCBB_16BIT_CARD;
if (CARD_ATTACH_CARD(sc->sc_cbdev) != 0)
device_printf(sc->sc_dev, "card activation failed\n");
} else {
device_printf (sc->sc_dev, "Unsupported card type detected\n");
}
}
static void
pccbb_removal (struct pccbb_softc *sc)
{
u_int32_t sockstate;
struct pccbb_reslist *rle;
sockstate = sc->sc_socketreg->socket_state;
if (sockstate & PCCBB_16BIT_CARD && sc->sc_pccarddev != NULL)
CARD_DETACH_CARD(sc->sc_pccarddev, DETACH_FORCE);
else if ((!(sockstate & PCCBB_16BIT_CARD)) && sc->sc_cbdev != NULL)
CARD_DETACH_CARD(sc->sc_cbdev, DETACH_FORCE);
while (NULL != (rle = SLIST_FIRST(&sc->rl))) {
device_printf(sc->sc_dev, "WARNING: Resource left allocated! "
"This is a bug... (rid=%x, type=%d, addr=%x)\n",
rle->rid, rle->type, rle->start);
SLIST_REMOVE_HEAD(&sc->rl, entries);
}
}
/************************************************************************/
/* Interrupt Handler */
/************************************************************************/
static void
pccbb_intr(void* arg)
{
struct pccbb_softc *sc = arg;
u_int32_t sockevent;
if (!(sockevent = sc->sc_socketreg->socket_event)) {
/* not for me. */
return;
}
/* reset bit */
sc->sc_socketreg->socket_event = sockevent | 0x01;
if (sockevent & PCCBB_SOCKET_EVENT_CD) {
mtx_lock(&sc->sc_mtx);
wakeup(sc);
mtx_unlock(&sc->sc_mtx);
} else {
if (sockevent & PCCBB_SOCKET_EVENT_CSTS) {
DPRINTF((" cstsevent occures, 0x%08x\n",
sc->sc_socketreg->socket_state));
}
if (sockevent & PCCBB_SOCKET_EVENT_POWER) {
DPRINTF((" pwrevent occures, 0x%08x\n",
sc->sc_socketreg->socket_state));
}
}
return;
}
/************************************************************************/
/* Generic Power functions */
/************************************************************************/
static int
pccbb_detect_voltage(device_t dev)
{
struct pccbb_softc *sc = device_get_softc(dev);
u_int32_t psr;
int vol = CARD_UKN_CARD;
psr = sc->sc_socketreg->socket_state;
if (psr & PCCBB_SOCKET_STAT_5VCARD) {
vol |= CARD_5V_CARD;
}
if (psr & PCCBB_SOCKET_STAT_3VCARD) {
vol |= CARD_3V_CARD;
}
if (psr & PCCBB_SOCKET_STAT_XVCARD) {
vol |= CARD_XV_CARD;
}
if (psr & PCCBB_SOCKET_STAT_YVCARD) {
vol |= CARD_YV_CARD;
}
return vol;
}
static int
pccbb_power(device_t dev, int volts)
{
u_int32_t status, sock_ctrl;
struct pccbb_softc *sc = device_get_softc(dev);
DEVPRINTF((sc->sc_dev, "pccbb_power: %s and %s [%x]\n",
(volts & CARD_VCCMASK) == CARD_VCC_UC ? "CARD_VCC_UC" :
(volts & CARD_VCCMASK) == CARD_VCC_5V ? "CARD_VCC_5V" :
(volts & CARD_VCCMASK) == CARD_VCC_3V ? "CARD_VCC_3V" :
(volts & CARD_VCCMASK) == CARD_VCC_XV ? "CARD_VCC_XV" :
(volts & CARD_VCCMASK) == CARD_VCC_YV ? "CARD_VCC_YV" :
(volts & CARD_VCCMASK) == CARD_VCC_0V ? "CARD_VCC_0V" :
"VCC-UNKNOWN",
(volts & CARD_VPPMASK) == CARD_VPP_UC ? "CARD_VPP_UC" :
(volts & CARD_VPPMASK) == CARD_VPP_12V ? "CARD_VPP_12V" :
(volts & CARD_VPPMASK) == CARD_VPP_VCC ? "CARD_VPP_VCC" :
(volts & CARD_VPPMASK) == CARD_VPP_0V ? "CARD_VPP_0V" :
"VPP-UNKNOWN",
volts));
status = sc->sc_socketreg->socket_state;
sock_ctrl = sc->sc_socketreg->socket_control;
switch (volts & CARD_VCCMASK) {
case CARD_VCC_UC:
break;
case CARD_VCC_5V:
if (PCCBB_SOCKET_STAT_5VCARD & status) { /* check 5 V card */
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VCCMASK;
sock_ctrl |= PCCBB_SOCKET_CTRL_VCC_5V;
} else {
device_printf(sc->sc_dev,
"BAD voltage request: no 5 V card\n");
}
break;
case CARD_VCC_3V:
if (PCCBB_SOCKET_STAT_3VCARD & status) {
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VCCMASK;
sock_ctrl |= PCCBB_SOCKET_CTRL_VCC_3V;
} else {
device_printf(sc->sc_dev,
"BAD voltage request: no 3.3 V card\n");
}
break;
case CARD_VCC_0V:
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VCCMASK;
break;
default:
return 0; /* power NEVER changed */
break;
}
switch (volts & CARD_VPPMASK) {
case CARD_VPP_UC:
break;
case CARD_VPP_0V:
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VPPMASK;
break;
case CARD_VPP_VCC:
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VPPMASK;
sock_ctrl |= ((sock_ctrl >> 4) & 0x07);
break;
case CARD_VPP_12V:
sock_ctrl &= ~PCCBB_SOCKET_CTRL_VPPMASK;
sock_ctrl |= PCCBB_SOCKET_CTRL_VPP_12V;
break;
}
if (sc->sc_socketreg->socket_control == sock_ctrl)
return 1; /* no change necessary */
sc->sc_socketreg->socket_control = sock_ctrl;
status = sc->sc_socketreg->socket_state;
{
int timeout = 20;
u_int32_t sockevent;
do {
DELAY(20*1000);
sockevent = sc->sc_socketreg->socket_event;
} while (!(sockevent & PCCBB_SOCKET_EVENT_POWER) &&
--timeout > 0);
/* reset event status */
sc->sc_socketreg->socket_event = sockevent;
if ( timeout < 0 ) {
printf ("VCC supply failed.\n");
return 0;
}
}
/* XXX
* delay 400 ms: thgough the standard defines that the Vcc set-up time
* is 20 ms, some PC-Card bridge requires longer duration.
*/
DELAY(400*1000);
if (status & PCCBB_SOCKET_STAT_BADVCC) {
device_printf(sc->sc_dev,
"bad Vcc request. ctrl=0x%x, status=0x%x\n",
sock_ctrl ,status);
printf("pccbb_power: %s and %s [%x]\n",
(volts & CARD_VCCMASK) == CARD_VCC_UC ? "CARD_VCC_UC" :
(volts & CARD_VCCMASK) == CARD_VCC_5V ? "CARD_VCC_5V" :
(volts & CARD_VCCMASK) == CARD_VCC_3V ? "CARD_VCC_3V" :
(volts & CARD_VCCMASK) == CARD_VCC_XV ? "CARD_VCC_XV" :
(volts & CARD_VCCMASK) == CARD_VCC_YV ? "CARD_VCC_YV" :
(volts & CARD_VCCMASK) == CARD_VCC_0V ? "CARD_VCC_0V" :
"VCC-UNKNOWN",
(volts & CARD_VPPMASK) == CARD_VPP_UC ? "CARD_VPP_UC" :
(volts & CARD_VPPMASK) == CARD_VPP_12V ? "CARD_VPP_12V":
(volts & CARD_VPPMASK) == CARD_VPP_VCC ? "CARD_VPP_VCC":
(volts & CARD_VPPMASK) == CARD_VPP_0V ? "CARD_VPP_0V" :
"VPP-UNKNOWN",
volts);
return 0;
}
return 1; /* power changed correctly */
}
/************************************************************************/
/* Cardbus power functions */
/************************************************************************/
static void
pccbb_cardbus_reset(device_t dev)
{
struct pccbb_softc *sc = device_get_softc(dev);
int delay_us;
delay_us = sc->sc_chipset == CB_RF5C47X ? 400*1000 : 20*1000;
PCI_MASK_CONFIG(dev, PCCBBR_BRIDGECTRL, |PCCBBM_BRIDGECTRL_RESET, 2);
DELAY(delay_us);
/* If a card exists, unreset it! */
if ((sc->sc_socketreg->socket_state & PCCBB_SOCKET_STAT_CD) == 0) {
PCI_MASK_CONFIG(dev, PCCBBR_BRIDGECTRL,
&~PCCBBM_BRIDGECTRL_RESET, 2);
DELAY(delay_us);
}
}
static int
pccbb_cardbus_power_enable_socket(device_t self, device_t child)
{
struct pccbb_softc *sc = device_get_softc(self);
int voltage;
if ((sc->sc_socketreg->socket_state & PCCBB_SOCKET_STAT_CD)
== PCCBB_SOCKET_STAT_CD)
return ENODEV;
voltage = pccbb_detect_voltage(self);
pccbb_power(self, CARD_VCC_0V | CARD_VPP_0V);
if (voltage & CARD_5V_CARD)
pccbb_power(self, CARD_VCC_5V | CARD_VPP_VCC);
else if (voltage & CARD_3V_CARD)
pccbb_power(self, CARD_VCC_3V | CARD_VPP_VCC);
else {
device_printf(self, "Unknown card voltage\n");
return ENXIO;
}
pccbb_cardbus_reset(self);
return 0;
}
static void
pccbb_cardbus_power_disable_socket(device_t self, device_t child)
{
pccbb_power(self, CARD_VCC_0V | CARD_VPP_0V);
pccbb_cardbus_reset(self);
}
/************************************************************************/
/* Cardbus Resource */
/************************************************************************/
static int
pccbb_cardbus_io_open(device_t dev, int win, u_int32_t start, u_int32_t end)
{
int basereg;
int limitreg;
if ((win < 0) || (win > 1)) {
DEVPRINTF((dev,
"pccbb_cardbus_io_open: window out of range %d\n",
win));
return EINVAL;
}
basereg = win*8 + PCCBBR_IOBASE0;
limitreg = win*8 + PCCBBR_IOLIMIT0;
pci_write_config(dev, basereg, start, 4);
pci_write_config(dev, limitreg, end, 4);
return 0;
}
static int
pccbb_cardbus_mem_open(device_t dev, int win, u_int32_t start, u_int32_t end)
{
int basereg;
int limitreg;
if ((win < 0) || (win > 1)) {
DEVPRINTF((dev,
"pccbb_cardbus_mem_open: window out of range %d\n",
win));
return EINVAL;
}
basereg = win*8 + PCCBBR_MEMBASE0;
limitreg = win*8 + PCCBBR_MEMLIMIT0;
pci_write_config(dev, basereg, start, 4);
pci_write_config(dev, limitreg, end, 4);
return 0;
}
static void
pccbb_cardbus_auto_open(struct pccbb_softc *sc, int type)
{
u_int32_t starts[2];
u_int32_t ends[2];
struct pccbb_reslist *rle;
int align;
starts[0] = starts[1] = 0xffffffff;
ends[0] = ends[1] = 0;
SLIST_FOREACH(rle, &sc->rl, entries) {
if (rle->type != type)
;
else if (starts[0] == 0xffffffff) {
starts[0] = rle->start;
ends[0] = rle->end;
rle->win = 0;
} else if (rle->end > ends[0] &&
rle->start - ends[0] < PCCBB_AUTO_OPEN_SMALLHOLE) {
ends[0] = rle->end;
rle->win = 0;
} else if (rle->start < starts[0] &&
starts[0] - rle->end < PCCBB_AUTO_OPEN_SMALLHOLE) {
starts[0] = rle->start;
rle->win = 0;
} else if (starts[1] == 0xffffffff) {
starts[1] = rle->start;
ends[1] = rle->end;
rle->win = 1;
} else if (rle->end > ends[1] &&
rle->start - ends[1] < PCCBB_AUTO_OPEN_SMALLHOLE) {
ends[1] = rle->end;
rle->win = 1;
} else if (rle->start < starts[1] &&
starts[1] - rle->end < PCCBB_AUTO_OPEN_SMALLHOLE) {
starts[1] = rle->start;
rle->win = 1;
} else {
u_int32_t diffs[2];
diffs[0] = diffs[1] = 0xffffffff;
if (rle->start > ends[0])
diffs[0] = rle->start - ends[0];
else if (rle->end < starts[0])
diffs[0] = starts[0] - rle->end;
if (rle->start > ends[1])
diffs[1] = rle->start - ends[1];
else if (rle->end < starts[1])
diffs[1] = starts[1] - rle->end;
rle->win = (diffs[0] <= diffs[1])?0:1;
if (rle->start > ends[rle->win])
ends[rle->win] = rle->end;
else if (rle->end < starts[rle->win])
starts[rle->win] = rle->start;
}
}
if (type == SYS_RES_MEMORY)
align = PCCBB_MEMALIGN;
else if (type == SYS_RES_IOPORT)
align = PCCBB_IOALIGN;
else
align = 1;
if (starts[0] != 0xffffffff)
starts[0] -= starts[0] % align;
if (starts[1] != 0xffffffff)
starts[1] -= starts[1] % align;
if (ends[0] % align != 0)
ends[0] += align - ends[0]%align - 1;
if (ends[1] % align != 0)
ends[1] += align - ends[1]%align - 1;
if (type == SYS_RES_MEMORY) {
pccbb_cardbus_mem_open(sc->sc_dev, 0, starts[0], ends[0]);
pccbb_cardbus_mem_open(sc->sc_dev, 1, starts[1], ends[1]);
} else if (type == SYS_RES_IOPORT) {
pccbb_cardbus_io_open(sc->sc_dev, 0, starts[0], ends[0]);
pccbb_cardbus_io_open(sc->sc_dev, 1, starts[1], ends[1]);
}
}
static int
pccbb_cardbus_activate_resource(device_t self, device_t child, int type,
int rid, struct resource *r)
{
struct pccbb_softc *sc = device_get_softc(self);
struct pccbb_reslist *rle;
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
SLIST_FOREACH(rle, &sc->rl, entries) {
if (type == rle->type && rid == rle->rid &&
child == rle->odev)
return bus_generic_activate_resource(
self, child, type, rid, r);
}
rle = malloc(sizeof(struct pccbb_reslist), M_DEVBUF, M_WAITOK);
rle->type = type;
rle->rid = rid;
rle->start = rman_get_start(r);
rle->end = rman_get_end(r);
rle->odev = child;
rle->win = -1;
SLIST_INSERT_HEAD(&sc->rl, rle, entries);
pccbb_cardbus_auto_open(sc, type);
}
return bus_generic_activate_resource(self, child, type, rid, r);
}
static int
pccbb_cardbus_deactivate_resource(device_t self, device_t child, int type,
int rid, struct resource *r)
{
struct pccbb_softc *sc = device_get_softc(self);
struct pccbb_reslist *rle;
SLIST_FOREACH(rle, &sc->rl, entries) {
if (type == rle->type && rid == rle->rid &&
child == rle->odev) {
SLIST_REMOVE(&sc->rl, rle, pccbb_reslist, entries);
if (type == SYS_RES_IOPORT ||
type == SYS_RES_MEMORY)
pccbb_cardbus_auto_open(sc, type);
free(rle, M_DEVBUF);
break;
}
}
return bus_generic_deactivate_resource(self, child, type, rid, r);
}
static struct resource*
pccbb_cardbus_alloc_resource(device_t self, device_t child, int type, int* rid,
u_long start, u_long end, u_long count,
u_int flags)
{
if (type == SYS_RES_IRQ) {
struct pccbb_softc *sc = device_get_softc(self);
if (start == 0) {
start = end = rman_get_start(sc->sc_irq_res);
}
return bus_generic_alloc_resource(self, child, type, rid,
start, end, count, flags);
} else {
if (type == SYS_RES_MEMORY && start == 0 && end == ~0) {
start = CARDBUS_SYS_RES_MEMORY_START;
end = CARDBUS_SYS_RES_MEMORY_END;
} else if (type == SYS_RES_IOPORT && start == 0 && end == ~0) {
start = CARDBUS_SYS_RES_IOPORT_START;
end = CARDBUS_SYS_RES_IOPORT_END;
}
return bus_generic_alloc_resource(self, child, type, rid,
start, end, count, flags);
}
}
static int
pccbb_cardbus_release_resource(device_t self, device_t child, int type,
int rid, struct resource *r)
{
return bus_generic_release_resource(self, child, type, rid, r);
}
/************************************************************************/
/* PC Card Power Functions */
/************************************************************************/
static int
pccbb_pcic_power_enable_socket(device_t self, device_t child)
{
struct pccbb_softc *sc = device_get_softc(self);
DPRINTF(("pccbb_pcic_socket_enable:\n"));
/* power down/up the socket to reset */
{
int voltage = pccbb_detect_voltage(self);
pccbb_power(self, CARD_VCC_0V | CARD_VPP_0V);
if (voltage & CARD_5V_CARD)
pccbb_power(self, CARD_VCC_5V | CARD_VPP_VCC);
else if (voltage & CARD_3V_CARD)
pccbb_power(self, CARD_VCC_3V | CARD_VPP_VCC);
else {
device_printf(self, "Unknown card voltage\n");
return ENXIO;
}
}
/* enable socket i/o */
PCIC_MASK(sc, PCIC_PWRCTL, | PCIC_PWRCTL_OE);
PCIC_WRITE(sc, PCIC_INTR, PCIC_INTR_ENABLE);
/* hold reset for 30ms */
DELAY(30*1000);
/* clear the reset flag */
PCIC_MASK(sc, PCIC_INTR, | PCIC_INTR_RESET);
/* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
DELAY(20*1000);
pccbb_pcic_wait_ready(sc);
/* disable all address windows */
PCIC_WRITE(sc, PCIC_ADDRWIN_ENABLE, 0);
{
int cardtype;
CARD_GET_TYPE(child, &cardtype);
PCIC_MASK(sc, PCIC_INTR, | ((cardtype == PCCARD_IFTYPE_IO) ?
PCIC_INTR_CARDTYPE_IO :
PCIC_INTR_CARDTYPE_MEM));
DEVPRINTF((sc->sc_dev, "card type is %s\n",
(cardtype == PCCARD_IFTYPE_IO) ? "io" : "mem"));
}
/* reinstall all the memory and io mappings */
{
int win;
for (win = 0; win < PCIC_MEM_WINS; ++win) {
if (sc->memalloc & (1 << win)) {
pccbb_pcic_do_mem_map(sc, win);
}
}
for (win = 0; win < PCIC_IO_WINS; ++win) {
if (sc->ioalloc & (1 << win)) {
pccbb_pcic_do_io_map(sc, win);
}
}
}
return 0;
}
static void
pccbb_pcic_power_disable_socket(device_t self, device_t child)
{
struct pccbb_softc *sc = device_get_softc(self);
DPRINTF(("pccbb_pcic_socket_disable\n"));
/* reset signal asserting... */
PCIC_MASK(sc, PCIC_INTR, & ~PCIC_INTR_RESET);
DELAY(2*1000);
/* power down the socket */
PCIC_MASK(sc, PCIC_PWRCTL, &~PCIC_PWRCTL_OE);
pccbb_power(self, CARD_VCC_0V | CARD_VPP_0V);
/* wait 300ms until power fails (Tpf). */
DELAY(300 * 1000);
}
/************************************************************************/
/* PC Card Resource Functions */
/************************************************************************/
static void
pccbb_pcic_wait_ready(struct pccbb_softc *sc)
{
int i;
DEVPRINTF((sc->sc_dev, "pccbb_pcic_wait_ready: status 0x%02x\n",
PCIC_READ(sc, PCIC_IF_STATUS)));
for (i = 0; i < 10000; i++) {
if (PCIC_READ(sc, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) {
return;
}
DELAY(500);
}
device_printf(sc->sc_dev, "ready never happened, status = %02x\n",
PCIC_READ(sc, PCIC_IF_STATUS));
}
#define PCIC_MEMINFO(NUM) { \
PCIC_SYSMEM_ADDR ## NUM ## _START_LSB, \
PCIC_SYSMEM_ADDR ## NUM ## _START_MSB, \
PCIC_SYSMEM_ADDR ## NUM ## _STOP_LSB, \
PCIC_SYSMEM_ADDR ## NUM ## _STOP_MSB, \
PCIC_SYSMEM_ADDR ## NUM ## _WIN, \
PCIC_CARDMEM_ADDR ## NUM ## _LSB, \
PCIC_CARDMEM_ADDR ## NUM ## _MSB, \
PCIC_ADDRWIN_ENABLE_MEM ## NUM ## , \
}
static struct mem_map_index_st {
int sysmem_start_lsb;
int sysmem_start_msb;
int sysmem_stop_lsb;
int sysmem_stop_msb;
int sysmem_win;
int cardmem_lsb;
int cardmem_msb;
int memenable;
} mem_map_index[] = {
PCIC_MEMINFO(0),
PCIC_MEMINFO(1),
PCIC_MEMINFO(2),
PCIC_MEMINFO(3),
PCIC_MEMINFO(4),
};
#undef PCIC_MEMINFO
static void
pccbb_pcic_do_mem_map(struct pccbb_softc *sc, int win)
{
PCIC_WRITE(sc, mem_map_index[win].sysmem_start_lsb,
(sc->mem[win].addr >> PCIC_SYSMEM_ADDRX_SHIFT) & 0xff);
PCIC_WRITE(sc, mem_map_index[win].sysmem_start_msb,
((sc->mem[win].addr >> (PCIC_SYSMEM_ADDRX_SHIFT + 8)) &
PCIC_SYSMEM_ADDRX_START_MSB_ADDR_MASK) | 0x80);
PCIC_WRITE(sc, mem_map_index[win].sysmem_stop_lsb,
((sc->mem[win].addr + sc->mem[win].realsize - 1) >>
PCIC_SYSMEM_ADDRX_SHIFT) & 0xff);
PCIC_WRITE(sc, mem_map_index[win].sysmem_stop_msb,
(((sc->mem[win].addr + sc->mem[win].realsize - 1) >>
(PCIC_SYSMEM_ADDRX_SHIFT + 8)) &
PCIC_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) |
PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2);
PCIC_WRITE(sc, mem_map_index[win].sysmem_win,
(sc->mem[win].addr >> PCIC_MEMREG_WIN_SHIFT) & 0xff);
PCIC_WRITE(sc, mem_map_index[win].cardmem_lsb,
(sc->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff);
PCIC_WRITE(sc, mem_map_index[win].cardmem_msb,
((sc->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8)) &
PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK) |
((sc->mem[win].kind == PCCARD_MEM_ATTR) ?
PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0));
PCIC_MASK(sc, PCIC_ADDRWIN_ENABLE, | PCIC_ADDRWIN_ENABLE_MEMCS16
| mem_map_index[win].memenable);
DELAY(100);
#ifdef CBB_DEBUG
{
int r1, r2, r3, r4, r5, r6, r7;
r1 = PCIC_READ(sc, mem_map_index[win].sysmem_start_msb);
r2 = PCIC_READ(sc, mem_map_index[win].sysmem_start_lsb);
r3 = PCIC_READ(sc, mem_map_index[win].sysmem_stop_msb);
r4 = PCIC_READ(sc, mem_map_index[win].sysmem_stop_lsb);
r5 = PCIC_READ(sc, mem_map_index[win].cardmem_msb);
r6 = PCIC_READ(sc, mem_map_index[win].cardmem_lsb);
r7 = PCIC_READ(sc, mem_map_index[win].sysmem_win);
DPRINTF(("pccbb_pcic_do_mem_map window %d: %02x%02x %02x%02x "
"%02x%02x %02x (%08x+%08x.%08x*%08lx)\n", win, r1, r2, r3, r4, r5, r6, r7,
sc->mem[win].addr, sc->mem[win].size, sc->mem[win].realsize, sc->mem[win].offset));
}
#endif
}
static int
pccbb_pcic_mem_map(struct pccbb_softc *sc, int kind,
struct resource *r, bus_addr_t card_addr, int *win)
{
int i;
*win = -1;
for (i = 0; i < PCIC_MEM_WINS; i++) {
if ((sc->memalloc & (1 << i)) == 0) {
*win = i;
sc->memalloc |= (1 << i);
break;
}
}
if (*win == -1)
return (1);
card_addr = card_addr - card_addr % PCIC_MEM_PAGESIZE;
sc->mem[*win].memt = rman_get_bustag(r);
sc->mem[*win].memh = rman_get_bushandle(r);
sc->mem[*win].addr = rman_get_start(r);
sc->mem[*win].size = rman_get_end(r) - sc->mem[*win].addr + 1;
sc->mem[*win].realsize = sc->mem[*win].size + PCIC_MEM_PAGESIZE - 1;
sc->mem[*win].realsize = sc->mem[*win].realsize -
(sc->mem[*win].realsize % PCIC_MEM_PAGESIZE);
sc->mem[*win].offset = ((long)card_addr) -
((long)(sc->mem[*win].addr));
sc->mem[*win].kind = kind;
DPRINTF(("pccbb_pcic_mem_map window %d bus %x+%x+%lx card addr %x\n",
*win, sc->mem[*win].addr, sc->mem[*win].size,
sc->mem[*win].offset, card_addr));
pccbb_pcic_do_mem_map(sc, *win);
return (0);
}
static void
pccbb_pcic_mem_unmap(struct pccbb_softc *sc, int window)
{
if (window >= PCIC_MEM_WINS)
panic("pccbb_pcic_mem_unmap: window out of range");
PCIC_MASK(sc, PCIC_ADDRWIN_ENABLE, & ~mem_map_index[window].memenable);
sc->memalloc &= ~(1 << window);
}
#define PCIC_IOINFO(NUM) { \
PCIC_IOADDR ## NUM ## _START_LSB, \
PCIC_IOADDR ## NUM ## _START_MSB, \
PCIC_IOADDR ## NUM ## _STOP_LSB, \
PCIC_IOADDR ## NUM ## _STOP_MSB, \
PCIC_ADDRWIN_ENABLE_IO ## NUM ## , \
PCIC_IOCTL_IO ## NUM ## _WAITSTATE \
| PCIC_IOCTL_IO ## NUM ## _ZEROWAIT \
| PCIC_IOCTL_IO ## NUM ## _IOCS16SRC_MASK \
| PCIC_IOCTL_IO ## NUM ## _DATASIZE_MASK, \
{ \
PCIC_IOCTL_IO ## NUM ## _IOCS16SRC_CARD, \
PCIC_IOCTL_IO ## NUM ## _IOCS16SRC_DATASIZE \
| PCIC_IOCTL_IO ## NUM ## _DATASIZE_8BIT, \
PCIC_IOCTL_IO ## NUM ## _IOCS16SRC_DATASIZE \
| PCIC_IOCTL_IO ## NUM ## _DATASIZE_16BIT, \
} \
}
static 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 PCCARD_WIDTH_* */
} io_map_index[] = {
PCIC_IOINFO(0),
PCIC_IOINFO(1),
};
#undef PCIC_IOINFO
static void pccbb_pcic_do_io_map(struct pccbb_softc *sc, int win)
{
PCIC_WRITE(sc, io_map_index[win].start_lsb, sc->io[win].addr & 0xff);
PCIC_WRITE(sc, io_map_index[win].start_msb,
(sc->io[win].addr >> 8) & 0xff);
PCIC_WRITE(sc, io_map_index[win].stop_lsb,
(sc->io[win].addr + sc->io[win].size - 1) & 0xff);
PCIC_WRITE(sc, io_map_index[win].stop_msb,
((sc->io[win].addr + sc->io[win].size - 1) >> 8) & 0xff);
PCIC_MASK2(sc, PCIC_IOCTL,
& ~io_map_index[win].ioctlmask,
| io_map_index[win].ioctlbits[sc->io[win].width]);
PCIC_MASK(sc, PCIC_ADDRWIN_ENABLE, | io_map_index[win].ioenable);
#ifdef CBB_DEBUG
{
int r1, r2, r3, r4;
r1 = PCIC_READ(sc, io_map_index[win].start_msb);
r2 = PCIC_READ(sc, io_map_index[win].start_lsb);
r3 = PCIC_READ(sc, io_map_index[win].stop_msb);
r4 = PCIC_READ(sc, io_map_index[win].stop_lsb);
DPRINTF(("pccbb_pcic_do_io_map window %d: %02x%02x %02x%02x "
"(%08x+%08x)\n", win, r1, r2, r3, r4,
sc->io[win].addr, sc->io[win].size));
}
#endif
}
static int
pccbb_pcic_io_map(struct pccbb_softc *sc, int width,
struct resource *r, bus_addr_t card_addr, int *win)
{
int i;
#ifdef CBB_DEBUG
static char *width_names[] = { "auto", "io8", "io16"};
#endif
*win = -1;
for (i=0; i < PCIC_IO_WINS; i++) {
if ((sc->ioalloc & (1 << i)) == 0) {
*win = i;
sc->ioalloc |= (1 << i);
break;
}
}
if (*win == -1)
return (1);
sc->io[*win].iot = rman_get_bustag(r);
sc->io[*win].ioh = rman_get_bushandle(r);
sc->io[*win].addr = rman_get_start(r);
sc->io[*win].size = rman_get_end(r) - sc->io[*win].addr + 1;
sc->io[*win].flags = 0;
sc->io[*win].width = width;
DPRINTF(("pccbb_pcic_io_map window %d %s port %x+%x\n",
*win, width_names[width], sc->io[*win].addr,
sc->io[*win].size));
pccbb_pcic_do_io_map(sc, *win);
return (0);
}
static void
pccbb_pcic_io_unmap(struct pccbb_softc *sc, int window)
{
if (window >= PCIC_IO_WINS)
panic("pccbb_pcic_io_unmap: window out of range");
PCIC_MASK(sc, PCIC_ADDRWIN_ENABLE, & ~io_map_index[window].ioenable);
sc->ioalloc &= ~(1 << window);
sc->io[window].iot = 0;
sc->io[window].ioh = 0;
sc->io[window].addr = 0;
sc->io[window].size = 0;
sc->io[window].flags = 0;
sc->io[window].width = 0;
}
static int
pccbb_pcic_activate_resource(device_t self, device_t child, int type, int rid,
struct resource *r)
{
int err;
int win;
struct pccbb_reslist *rle;
struct pccbb_softc *sc = device_get_softc(self);
if (rman_get_flags(r) & RF_ACTIVE)
return 0;
switch (type) {
case SYS_RES_IOPORT:
err = pccbb_pcic_io_map(sc, 0, r, 0, &win);
if (err)
return err;
break;
case SYS_RES_MEMORY:
err = pccbb_pcic_mem_map(sc, 0, r, 0, &win);
if (err)
return err;
break;
default:
break;
}
SLIST_FOREACH(rle, &sc->rl, entries) {
if (type == rle->type && rid == rle->rid &&
child == rle->odev) {
rle->win = win;
break;
}
}
err = bus_generic_activate_resource(self, child, type, rid, r);
return (err);
}
static int
pccbb_pcic_deactivate_resource(device_t self, device_t child, int type,
int rid, struct resource *r)
{
struct pccbb_softc *sc = device_get_softc(self);
int win;
struct pccbb_reslist *rle;
win = -1;
SLIST_FOREACH(rle, &sc->rl, entries) {
if (type == rle->type && rid == rle->rid &&
child == rle->odev) {
win = rle->win;
break;
}
}
if (win == -1) {
panic("pccbb_pcic: deactivating bogus resoure");
return 1;
}
switch (type) {
case SYS_RES_IOPORT:
pccbb_pcic_io_unmap(sc, win);
break;
case SYS_RES_MEMORY:
pccbb_pcic_mem_unmap(sc, win);
break;
default:
break;
}
return bus_generic_deactivate_resource(self, child, type, rid, r);
}
static struct resource*
pccbb_pcic_alloc_resource(device_t self, device_t child, int type, int* rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *r = NULL;
struct pccbb_softc *sc = device_get_softc(self);
struct pccbb_reslist *rle;
if ((sc->sc_flags & PCCBB_PCIC_MEM_32) == 0) {
panic("PCCBB bridge cannot handle non MEM_32 bridges\n");
}
switch (type) {
case SYS_RES_MEMORY:
/* Nearly default */
if (start == 0 && end == ~0 && count != 1) {
start = CARDBUS_SYS_RES_MEMORY_START; /* XXX -- should be tweakable*/
end = CARDBUS_SYS_RES_MEMORY_END;
}
flags = (flags & ~RF_ALIGNMENT_MASK)
| rman_make_alignment_flags(PCCBB_MEMALIGN);
break;
case SYS_RES_IOPORT:
if (start < 0x100)
start = 0x100; /* XXX tweakable? */
if (end < start)
end = start;
break;
case SYS_RES_IRQ:
flags |= RF_SHAREABLE;
start = end = rman_get_start(sc->sc_irq_res);
break;
}
r = bus_generic_alloc_resource(self, child, type, rid, start, end,
count, flags & ~RF_ACTIVE);
if (r == NULL)
return NULL;
rle = malloc(sizeof(struct pccbb_reslist), M_DEVBUF, M_WAITOK);
rle->type = type;
rle->rid = *rid;
rle->start = rman_get_start(r);
rle->end = rman_get_end(r);
rle->odev = child;
rle->win = -1;
SLIST_INSERT_HEAD(&sc->rl, rle, entries);
if (flags & RF_ACTIVE) {
if (bus_activate_resource(child, type, *rid, r) != 0) {
BUS_RELEASE_RESOURCE(self, child, type, *rid, r);
return NULL;
}
}
return r;
}
static int
pccbb_pcic_release_resource(device_t self, device_t child, int type,
int rid, struct resource *res)
{
struct pccbb_softc *sc = device_get_softc(self);
struct pccbb_reslist *rle;
int count = 0;
if (rman_get_flags(res) & RF_ACTIVE) {
int error;
error = bus_deactivate_resource(child, type, rid, res);
if (error != 0)
return error;
}
SLIST_FOREACH(rle, &sc->rl, entries) {
if (type == rle->type && rid == rle->rid &&
child == rle->odev) {
SLIST_REMOVE(&sc->rl, rle, pccbb_reslist, entries);
free(rle, M_DEVBUF);
count++;
break;
}
}
if (count == 0) {
panic("pccbb_pcic: releasing bogus resource");
}
return bus_generic_release_resource(self, child, type, rid, res);
}
/************************************************************************/
/* PC Card methods */
/************************************************************************/
static int
pccbb_pcic_set_res_flags(device_t self, device_t child, int type, int rid,
u_int32_t flags)
{
struct pccbb_softc *sc = device_get_softc(self);
if (type != SYS_RES_MEMORY)
return (EINVAL);
sc->mem[rid].kind = flags;
pccbb_pcic_do_mem_map(sc, rid);
return 0;
}
static int
pccbb_pcic_set_memory_offset(device_t self, device_t child, int rid,
u_int32_t cardaddr, u_int32_t *deltap)
{
struct pccbb_softc *sc = device_get_softc(self);
int win;
struct pccbb_reslist *rle;
u_int32_t delta;
win = -1;
SLIST_FOREACH(rle, &sc->rl, entries) {
if (SYS_RES_MEMORY == rle->type && rid == rle->rid &&
child == rle->odev) {
win = rle->win;
break;
}
}
if (win == -1) {
panic("pccbb_pcic: setting memory offset of bogus resource");
return 1;
}
delta = cardaddr % PCIC_MEM_PAGESIZE;
if (deltap)
*deltap = delta;
cardaddr -= delta;
sc->mem[win].realsize = sc->mem[win].size + delta +
PCIC_MEM_PAGESIZE - 1;
sc->mem[win].realsize = sc->mem[win].realsize -
(sc->mem[win].realsize % PCIC_MEM_PAGESIZE);
sc->mem[win].offset = cardaddr - sc->mem[win].addr;
pccbb_pcic_do_mem_map(sc, win);
return 0;
}
/************************************************************************/
/* POWER methods */
/************************************************************************/
static int
pccbb_power_enable_socket(device_t self, device_t child)
{
struct pccbb_softc *sc = device_get_softc(self);
if (sc->sc_flags & PCCBB_16BIT_CARD)
return pccbb_pcic_power_enable_socket(self, child);
else
return pccbb_cardbus_power_enable_socket(self, child);
}
static void
pccbb_power_disable_socket(device_t self, device_t child)
{
struct pccbb_softc *sc = device_get_softc(self);
if (sc->sc_flags & PCCBB_16BIT_CARD)
pccbb_pcic_power_disable_socket(self, child);
else
pccbb_cardbus_power_disable_socket(self, child);
}
/************************************************************************/
/* BUS Methods */
/************************************************************************/
static int
pccbb_activate_resource(device_t self, device_t child, int type, int rid,
struct resource *r)
{
struct pccbb_softc *sc = device_get_softc(self);
if (sc->sc_flags & PCCBB_16BIT_CARD)
return pccbb_pcic_activate_resource(self, child, type, rid, r);
else
return pccbb_cardbus_activate_resource(self, child, type, rid,
r);
}
static int
pccbb_deactivate_resource(device_t self, device_t child, int type,
int rid, struct resource *r)
{
struct pccbb_softc *sc = device_get_softc(self);
if (sc->sc_flags & PCCBB_16BIT_CARD)
return pccbb_pcic_deactivate_resource(self, child, type,
rid, r);
else
return pccbb_cardbus_deactivate_resource(self, child, type,
rid, r);
}
static struct resource*
pccbb_alloc_resource(device_t self, device_t child, int type, int* rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct pccbb_softc *sc = device_get_softc(self);
if (sc->sc_flags & PCCBB_16BIT_CARD)
return pccbb_pcic_alloc_resource(self, child, type, rid,
start, end, count, flags);
else
return pccbb_cardbus_alloc_resource(self, child, type, rid,
start, end, count, flags);
}
static int
pccbb_release_resource(device_t self, device_t child, int type, int rid,
struct resource *r)
{
struct pccbb_softc *sc = device_get_softc(self);
if (sc->sc_flags & PCCBB_16BIT_CARD)
return pccbb_pcic_release_resource(self, child, type,
rid, r);
else
return pccbb_cardbus_release_resource(self, child, type,
rid, r);
}
static int
pccbb_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
{
struct pccbb_softc *sc = device_get_softc(dev);
switch (which) {
case PCIB_IVAR_BUS:
*result = sc->sc_secbus;
return(0);
}
return(ENOENT);
}
static int
pccbb_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
{
struct pccbb_softc *sc = device_get_softc(dev);
switch (which) {
case PCIB_IVAR_BUS:
sc->sc_secbus = value;
break;
}
return(ENOENT);
}
/************************************************************************/
/* PCI compat methods */
/************************************************************************/
static int
pccbb_maxslots(device_t dev)
{
return 0;
}
static u_int32_t
pccbb_read_config(device_t dev, int b, int s, int f, int reg, int width)
{
/*
* Pass through to the next ppb up the chain (i.e. our grandparent).
*/
return PCIB_READ_CONFIG(device_get_parent(device_get_parent(dev)),
b, s, f, reg, width);
}
static void
pccbb_write_config(device_t dev, int b, int s, int f, int reg, u_int32_t val,
int width)
{
/*
* Pass through to the next ppb up the chain (i.e. our grandparent).
*/
PCIB_WRITE_CONFIG(device_get_parent(device_get_parent(dev)),
b, s, f, reg, val, width);
}
static device_method_t pccbb_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccbb_probe),
DEVMETHOD(device_attach, pccbb_attach),
DEVMETHOD(device_detach, pccbb_detach),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* bus methods */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, pccbb_read_ivar),
DEVMETHOD(bus_write_ivar, pccbb_write_ivar),
DEVMETHOD(bus_alloc_resource, pccbb_alloc_resource),
DEVMETHOD(bus_release_resource, pccbb_release_resource),
DEVMETHOD(bus_activate_resource, pccbb_activate_resource),
DEVMETHOD(bus_deactivate_resource, pccbb_deactivate_resource),
DEVMETHOD(bus_driver_added, pccbb_driver_added),
DEVMETHOD(bus_child_detached, pccbb_child_detached),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
/* 16-bit card interface */
DEVMETHOD(card_set_res_flags, pccbb_pcic_set_res_flags),
DEVMETHOD(card_set_memory_offset, pccbb_pcic_set_memory_offset),
/* power interface */
DEVMETHOD(power_enable_socket, pccbb_power_enable_socket),
DEVMETHOD(power_disable_socket, pccbb_power_disable_socket),
/* pcib compatibility interface */
DEVMETHOD(pcib_maxslots, pccbb_maxslots),
DEVMETHOD(pcib_read_config, pccbb_read_config),
DEVMETHOD(pcib_write_config, pccbb_write_config),
{0,0}
};
static driver_t pccbb_driver = {
"pccbb",
pccbb_methods,
sizeof(struct pccbb_softc)
};
static devclass_t pccbb_devclass;
DRIVER_MODULE(pccbb, pci, pccbb_driver, pccbb_devclass, 0, 0);
SYSINIT(pccbb, SI_SUB_KTHREAD_IDLE, SI_ORDER_ANY, pccbb_start_threads, 0);