d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
643b70ec9d
freebsd-dev/sys/pccard/pcic.c
Warner Losh 595166f0f7 Add support for PnP ISA cards, and some laptop PnP support: 
o break out some of the probe routine the allocation of resources
  into an attach routine
o Recognize PnP ids
o Allocate IRQ per card rather than per system
o Better polling reporting
o Remove unneeded include files in slot.h
o store a pseudo unit number on each device we find.
o Pass a unit number to interrupt/timeout routine and use it for polling
  the hardware.

Tested on: My VAIO and with the Linksys pccard reader.
Approved by: jkh
2000-03-10 05:43:29 +00:00

949 lines
22 KiB
C
Raw Blame History

/*
* Intel PCIC or compatible Controller driver
* May be built to make a loadable module.
*-------------------------------------------------------------------------
*
* Copyright (c) 1995 Andrew McRae. 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. 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/select.h>
#include <machine/clock.h>
#include <pccard/i82365.h>
#include <pccard/cardinfo.h>
#include <pccard/driver.h>
#include <pccard/slot.h>
#include <pccard/pcic.h>
/* Get pnp IDs */
#include <isa/isavar.h>
#include <dev/pcic/i82365reg.h>
/*
* Prototypes for interrupt handler.
*/
static inthand2_t pcicintr;
static int pcic_ioctl __P((struct slot *, int, caddr_t));
static int pcic_power __P((struct slot *));
static timeout_t pcic_reset;
static void pcic_resume(struct slot *);
static void pcic_disable __P((struct slot *));
static void pcic_mapirq __P((struct slot *, int));
static timeout_t pcictimeout;
static struct callout_handle pcictimeout_ch
= CALLOUT_HANDLE_INITIALIZER(&pcictimeout_ch);
static int pcic_memory(struct slot *, int);
static int pcic_io(struct slot *, int);
/*
* Per-slot data table.
*/
static struct pcic_slot {
int slotnum; /* My slot number */
int index; /* Index register */
int data; /* Data register */
int offset; /* Offset value for index */
char controller; /* Device type */
char revision; /* Device Revision */
struct slot *slt; /* Back ptr to slot */
u_char (*getb)(struct pcic_slot *, int);
void (*putb)(struct pcic_slot *, int, u_char);
u_char *regs; /* Pointer to regs in mem */
} pcic_slots[PCIC_MAX_SLOTS];
static struct slot_ctrl cinfo;
static struct isa_pnp_id pcic_ids[] = {
{PCIC_PNP_82365, NULL}, /* PNP0E00 */
{PCIC_PNP_CL_PD6720, NULL}, /* PNP0E01 */
{PCIC_PNP_VLSI_82C146, NULL}, /* PNP0E02 */
{PCIC_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */
{0}
};
static int validunits = 0;
#define GET_UNIT(d) *(int *)device_get_softc(d)
#define SET_UNIT(d,u) *(int *)device_get_softc(d) = (u)
/*
* Internal inline functions for accessing the PCIC.
*/
/*
* Read a register from the PCIC.
*/
static __inline unsigned char
getb1(struct pcic_slot *sp, int reg)
{
outb(sp->index, sp->offset + reg);
return inb(sp->data);
}
/*
* Write a register on the PCIC
*/
static __inline void
putb1(struct pcic_slot *sp, int reg, unsigned char val)
{
outb(sp->index, sp->offset + reg);
outb(sp->data, val);
}
/*
* Clear bit(s) of a register.
*/
static __inline void
clrb(struct pcic_slot *sp, int reg, unsigned char mask)
{
sp->putb(sp, reg, sp->getb(sp, reg) & ~mask);
}
/*
* Set bit(s) of a register
*/
static __inline void
setb(struct pcic_slot *sp, int reg, unsigned char mask)
{
sp->putb(sp, reg, sp->getb(sp, reg) | mask);
}
/*
* Write a 16 bit value to 2 adjacent PCIC registers
*/
static __inline void
putw(struct pcic_slot *sp, int reg, unsigned short word)
{
sp->putb(sp, reg, word & 0xFF);
sp->putb(sp, reg + 1, (word >> 8) & 0xff);
}
/*
* entry point from main code to map/unmap memory context.
*/
static int
pcic_memory(struct slot *slt, int win)
{
struct pcic_slot *sp = slt->cdata;
struct mem_desc *mp = &slt->mem[win];
int reg = mp->window * PCIC_MEMSIZE + PCIC_MEMBASE;
if (mp->flags & MDF_ACTIVE) {
unsigned long sys_addr = (uintptr_t)(void *)mp->start >> 12;
/*
* Write the addresses, card offsets and length.
* The values are all stored as the upper 12 bits of the
* 24 bit address i.e everything is allocated as 4 Kb chunks.
*/
putw(sp, reg, sys_addr & 0xFFF);
putw(sp, reg+2, (sys_addr + (mp->size >> 12) - 1) & 0xFFF);
putw(sp, reg+4, ((mp->card >> 12) - sys_addr) & 0x3FFF);
/*
* Each 16 bit register has some flags in the upper bits.
*/
if (mp->flags & MDF_16BITS)
setb(sp, reg+1, PCIC_DATA16);
if (mp->flags & MDF_ZEROWS)
setb(sp, reg+1, PCIC_ZEROWS);
if (mp->flags & MDF_WS0)
setb(sp, reg+3, PCIC_MW0);
if (mp->flags & MDF_WS1)
setb(sp, reg+3, PCIC_MW1);
if (mp->flags & MDF_ATTR)
setb(sp, reg+5, PCIC_REG);
if (mp->flags & MDF_WP)
setb(sp, reg+5, PCIC_WP);
/*
* Enable the memory window. By experiment, we need a delay.
*/
setb(sp, PCIC_ADDRWINE, (1<<win) | PCIC_MEMCS16);
DELAY(50);
} else {
clrb(sp, PCIC_ADDRWINE, 1<<win);
putw(sp, reg, 0);
putw(sp, reg+2, 0);
putw(sp, reg+4, 0);
}
return(0);
}
/*
* pcic_io - map or unmap I/O context
*/
static int
pcic_io(struct slot *slt, int win)
{
int mask, reg;
struct pcic_slot *sp = slt->cdata;
struct io_desc *ip = &slt->io[win];
if (bootverbose) {
printf("pcic: I/O win %d flags %x %x-%x\n", win, ip->flags,
ip->start, ip->start+ip->size-1);
}
switch (win) {
case 0:
mask = PCIC_IO0_EN;
reg = PCIC_IO0;
break;
case 1:
mask = PCIC_IO1_EN;
reg = PCIC_IO1;
break;
default:
panic("Illegal PCIC I/O window request!");
}
if (ip->flags & IODF_ACTIVE) {
unsigned char x, ioctlv;
putw(sp, reg, ip->start);
putw(sp, reg+2, ip->start+ip->size-1);
x = 0;
if (ip->flags & IODF_ZEROWS)
x |= PCIC_IO_0WS;
if (ip->flags & IODF_WS)
x |= PCIC_IO_WS;
if (ip->flags & IODF_CS16)
x |= PCIC_IO_CS16;
if (ip->flags & IODF_16BIT)
x |= PCIC_IO_16BIT;
/*
* Extract the current flags and merge with new flags.
* Flags for window 0 in lower nybble, and in upper nybble
* for window 1.
*/
ioctlv = sp->getb(sp, PCIC_IOCTL);
DELAY(100);
switch (win) {
case 0:
sp->putb(sp, PCIC_IOCTL, x | (ioctlv & 0xf0));
break;
case 1:
sp->putb(sp, PCIC_IOCTL, (x << 4) | (ioctlv & 0xf));
break;
}
DELAY(100);
setb(sp, PCIC_ADDRWINE, mask);
DELAY(100);
} else {
clrb(sp, PCIC_ADDRWINE, mask);
DELAY(100);
putw(sp, reg, 0);
putw(sp, reg + 2, 0);
}
return(0);
}
/*
* Look for an Intel PCIC (or compatible).
* For each available slot, allocate a PC-CARD slot.
*/
/*
* VLSI 82C146 has incompatibilities about the I/O address
* of slot 1. Assume it's the only PCIC whose vendor ID is 0x84,
* contact Nate Williams <nate@FreeBSD.org> if incorrect.
*/
static int
pcic_probe(device_t dev)
{
int slotnum, validslots = 0;
struct slot *slt;
struct pcic_slot *sp;
unsigned char c;
char *name;
int error;
struct resource *r;
int rid;
static int maybe_vlsi = 0;
/* Check isapnp ids */
error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids);
if (error == ENXIO)
return (ENXIO);
/*
* Initialise controller information structure.
*/
cinfo.mapmem = pcic_memory;
cinfo.mapio = pcic_io;
cinfo.ioctl = pcic_ioctl;
cinfo.power = pcic_power;
cinfo.mapirq = pcic_mapirq;
cinfo.reset = pcic_reset;
cinfo.disable = pcic_disable;
cinfo.resume = pcic_resume;
cinfo.maxmem = PCIC_MEM_WIN;
cinfo.maxio = PCIC_IO_WIN;
if (bus_get_resource_start(dev, SYS_RES_IOPORT, 0) == 0)
bus_set_resource(dev, SYS_RES_IOPORT, 0, PCIC_INDEX0, 2);
rid = 0;
r = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
if (!r) {
if (bootverbose)
device_printf(dev, "Cannot get I/O range\n");
return ENOMEM;
}
sp = &pcic_slots[validunits * PCIC_CARD_SLOTS];
for (slotnum = 0; slotnum < PCIC_CARD_SLOTS; slotnum++, sp++) {
/*
* Initialise the PCIC slot table.
*/
sp->getb = getb1;
sp->putb = putb1;
sp->index = rman_get_start(r);
sp->data = sp->index + 1;
sp->offset = slotnum * PCIC_SLOT_SIZE;
/*
* XXX - Screwed up slot 1 on the VLSI chips. According to
* the Linux PCMCIA code from David Hinds, working chipsets
* return 0x84 from their (correct) ID ports, while the broken
* ones would need to be probed at the new offset we set after
* we assume it's broken.
*/
if (slotnum == 1 && maybe_vlsi && sp->getb(sp, PCIC_ID_REV) != 0x84) {
sp->index += 4;
sp->data += 4;
sp->offset = PCIC_SLOT_SIZE << 1;
}
/*
* see if there's a PCMCIA controller here
* Intel PCMCIA controllers use 0x82 and 0x83
* IBM clone chips use 0x88 and 0x89, apparently
*/
c = sp->getb(sp, PCIC_ID_REV);
sp->revision = -1;
switch(c) {
/*
* 82365 or clones.
*/
case 0x82:
case 0x83:
sp->controller = PCIC_I82365;
sp->revision = c & 1;
/*
* Now check for VADEM chips.
*/
outb(sp->index, 0x0E);
outb(sp->index, 0x37);
setb(sp, 0x3A, 0x40);
c = sp->getb(sp, PCIC_ID_REV);
if (c & 0x08) {
switch (sp->revision = c & 7) {
case 1:
sp->controller = PCIC_VG365;
break;
case 2:
sp->controller = PCIC_VG465;
break;
case 3:
sp->controller = PCIC_VG468;
break;
default:
sp->controller = PCIC_VG469;
break;
}
clrb(sp, 0x3A, 0x40);
}
/*
* Check for RICOH RF5C396 PCMCIA Controller
*/
c = sp->getb(sp, 0x3a);
if (c == 0xb2) {
sp->controller = PCIC_RF5C396;
}
break;
/*
* VLSI chips.
*/
case 0x84:
sp->controller = PCIC_VLSI;
maybe_vlsi = 1;
break;
case 0x88:
case 0x89:
sp->controller = PCIC_IBM;
sp->revision = c & 1;
break;
case 0x8a:
sp->controller = PCIC_IBM_KING;
sp->revision = c & 1;
break;
default:
continue;
}
/*
* Check for Cirrus logic chips.
*/
sp->putb(sp, 0x1F, 0);
c = sp->getb(sp, 0x1F);
if ((c & 0xC0) == 0xC0) {
c = sp->getb(sp, 0x1F);
if ((c & 0xC0) == 0) {
if (c & 0x20)
sp->controller = PCIC_PD672X;
else
sp->controller = PCIC_PD6710;
sp->revision = 8 - ((c & 0x1F) >> 2);
}
}
switch(sp->controller) {
case PCIC_I82365:
name = "Intel i82365";
break;
case PCIC_IBM:
name = "IBM PCIC";
break;
case PCIC_IBM_KING:
name = "IBM KING PCMCIA Controller";
break;
case PCIC_PD672X:
name = "Cirrus Logic PD672X";
break;
case PCIC_PD6710:
name = "Cirrus Logic PD6710";
break;
case PCIC_VG365:
name = "Vadem 365";
break;
case PCIC_VG465:
name = "Vadem 465";
break;
case PCIC_VG468:
name = "Vadem 468";
break;
case PCIC_VG469:
name = "Vadem 469";
break;
case PCIC_RF5C396:
name = "Ricoh RF5C396";
break;
case PCIC_VLSI:
name = "VLSI 82C146";
break;
default:
name = "Unknown!";
break;
}
device_set_desc(dev, name);
/*
* OK it seems we have a PCIC or lookalike.
* Allocate a slot and initialise the data structures.
*/
validslots++;
sp->slotnum = slotnum + validunits * PCIC_CARD_SLOTS;
slt = pccard_alloc_slot(&cinfo);
if (slt == 0)
continue;
slt->cdata = sp;
sp->slt = slt;
/*
* Modem cards send the speaker audio (dialing noises)
* to the host's speaker. Cirrus Logic PCIC chips must
* enable this. There is also a Low Power Dynamic Mode bit
* that claims to reduce power consumption by 30%, so
* enable it and hope for the best.
*/
if (sp->controller == PCIC_PD672X) {
setb(sp, PCIC_MISC1, PCIC_SPKR_EN);
setb(sp, PCIC_MISC2, PCIC_LPDM_EN);
}
}
bus_release_resource(dev, SYS_RES_IOPORT, rid, r);
return(validslots ? 0 : ENXIO);
}
static int
pcic_attach(device_t dev)
{
void *ih;
int rid;
struct resource *r;
int irq;
int error;
struct pcic_slot *sp;
int i;
sp = &pcic_slots[GET_UNIT(dev) * PCIC_CARD_SLOTS];
for (i = 0; i < PCIC_CARD_SLOTS; i++, sp++) {
if (sp->slt)
device_add_child(dev, NULL, -1);
}
SET_UNIT(dev, validunits);
validunits++;
rid = 0;
r = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
if (!r) {
return ENXIO;
}
irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
if (irq == 0) {
/* See if the user has requested a specific IRQ */
if (!getenv_int("machdep.pccard.pcic_irq", &irq))
irq = 0;
}
rid = 0;
r = 0;
if (irq >= 0) {
r = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq,
~0, 1, RF_ACTIVE);
}
if (r) {
error = bus_setup_intr(dev, r, INTR_TYPE_MISC,
pcicintr, (void *) GET_UNIT(dev), &ih);
if (error) {
bus_release_resource(dev, SYS_RES_IRQ, rid, r);
return error;
}
irq = rman_get_start(r);
device_printf(dev, "management irq %d\n", irq);
} else {
irq = 0;
}
if (irq == 0) {
pcictimeout_ch = timeout(pcictimeout, (void *) GET_UNIT(dev),
hz/2);
device_printf(dev, "Polling mode\n");
}
sp = &pcic_slots[GET_UNIT(dev) * PCIC_CARD_SLOTS];
for (i = 0; i < PCIC_CARD_SLOTS; i++, sp++) {
/* Assign IRQ */
sp->putb(sp, PCIC_STAT_INT, (irq << 4) | 0xF);
/* Check for changes */
setb(sp, PCIC_POWER, PCIC_PCPWRE| PCIC_DISRST);
if (sp->slt == NULL)
continue;
if ((sp->getb(sp, PCIC_STATUS) & PCIC_CD) != PCIC_CD) {
sp->slt->laststate = sp->slt->state = empty;
} else {
sp->slt->laststate = sp->slt->state = filled;
pccard_event(sp->slt, card_inserted);
}
sp->slt->irq = irq;
}
return (bus_generic_attach(dev));
}
/*
* ioctl calls - Controller specific ioctls
*/
static int
pcic_ioctl(struct slot *slt, int cmd, caddr_t data)
{
struct pcic_slot *sp = slt->cdata;
switch(cmd) {
default:
return(ENOTTY);
/*
* Get/set PCIC registers
*/
case PIOCGREG:
((struct pcic_reg *)data)->value =
sp->getb(sp, ((struct pcic_reg *)data)->reg);
break;
case PIOCSREG:
sp->putb(sp, ((struct pcic_reg *)data)->reg,
((struct pcic_reg *)data)->value);
break;
}
return(0);
}
/*
* pcic_power - Enable the power of the slot according to
* the parameters in the power structure(s).
*/
static int
pcic_power(struct slot *slt)
{
unsigned char reg = PCIC_DISRST|PCIC_PCPWRE;
struct pcic_slot *sp = slt->cdata;
switch(sp->controller) {
case PCIC_PD672X:
case PCIC_PD6710:
case PCIC_VG365:
case PCIC_VG465:
case PCIC_VG468:
case PCIC_VG469:
case PCIC_RF5C396:
case PCIC_VLSI:
case PCIC_IBM_KING:
switch(slt->pwr.vpp) {
default:
return(EINVAL);
case 0:
break;
case 50:
case 33:
reg |= PCIC_VPP_5V;
break;
case 120:
reg |= PCIC_VPP_12V;
break;
}
switch(slt->pwr.vcc) {
default:
return(EINVAL);
case 0:
break;
case 33:
if (sp->controller == PCIC_IBM_KING) {
reg |= PCIC_VCC_5V_KING;
break;
}
reg |= PCIC_VCC_3V;
if ((sp->controller == PCIC_VG468) ||
(sp->controller == PCIC_VG469) ||
(sp->controller == PCIC_VG465) ||
(sp->controller == PCIC_VG365))
setb(sp, 0x2f, 0x03) ;
else
setb(sp, 0x16, 0x02);
break;
case 50:
if (sp->controller == PCIC_IBM_KING) {
reg |= PCIC_VCC_5V_KING;
break;
}
reg |= PCIC_VCC_5V;
if ((sp->controller == PCIC_VG468) ||
(sp->controller == PCIC_VG469) ||
(sp->controller == PCIC_VG465) ||
(sp->controller == PCIC_VG365))
clrb(sp, 0x2f, 0x03) ;
else
clrb(sp, 0x16, 0x02);
break;
}
break;
}
sp->putb(sp, PCIC_POWER, reg);
DELAY(300*1000);
if (slt->pwr.vcc) {
reg |= PCIC_OUTENA;
sp->putb(sp, PCIC_POWER, reg);
DELAY(100*1000);
}
/* Some chips are smarter than us it seems, so if we weren't
* allowed to use 5V, try 3.3 instead
*/
if (!(sp->getb(sp, PCIC_STATUS) & 0x40) && slt->pwr.vcc == 50) {
slt->pwr.vcc = 33;
slt->pwr.vpp = 0;
return (pcic_power(slt));
}
return(0);
}
/*
* tell the PCIC which irq we want to use. only the following are legal:
* 3, 4, 5, 7, 9, 10, 11, 12, 14, 15
*/
static void
pcic_mapirq(struct slot *slt, int irq)
{
struct pcic_slot *sp = slt->cdata;
if (irq == 0)
clrb(sp, PCIC_INT_GEN, 0xF);
else
sp->putb(sp, PCIC_INT_GEN,
(sp->getb(sp, PCIC_INT_GEN) & 0xF0) | irq);
}
/*
* pcic_reset - Reset the card and enable initial power.
*/
static void
pcic_reset(void *chan)
{
struct slot *slt = chan;
struct pcic_slot *sp = slt->cdata;
switch (slt->insert_seq) {
case 0: /* Something funny happended on the way to the pub... */
return;
case 1: /* Assert reset */
clrb(sp, PCIC_INT_GEN, PCIC_CARDRESET);
slt->insert_seq = 2;
timeout(pcic_reset, (void *)slt, hz/4);
return;
case 2: /* Deassert it again */
setb(sp, PCIC_INT_GEN, PCIC_CARDRESET|PCIC_IOCARD);
slt->insert_seq = 3;
timeout(pcic_reset, (void *)slt, hz/4);
return;
case 3: /* Wait if card needs more time */
if (!sp->getb(sp, PCIC_STATUS) & PCIC_READY) {
timeout(pcic_reset, (void *)slt, hz/10);
return;
}
}
slt->insert_seq = 0;
if (sp->controller == PCIC_PD672X || sp->controller == PCIC_PD6710) {
sp->putb(sp, PCIC_TIME_SETUP0, 0x1);
sp->putb(sp, PCIC_TIME_CMD0, 0x6);
sp->putb(sp, PCIC_TIME_RECOV0, 0x0);
sp->putb(sp, PCIC_TIME_SETUP1, 1);
sp->putb(sp, PCIC_TIME_CMD1, 0xf);
sp->putb(sp, PCIC_TIME_RECOV1, 0);
}
selwakeup(&slt->selp);
}
/*
* pcic_disable - Disable the slot.
*/
static void
pcic_disable(struct slot *slt)
{
struct pcic_slot *sp = slt->cdata;
sp->putb(sp, PCIC_INT_GEN, 0);
sp->putb(sp, PCIC_POWER, 0);
}
/*
* PCIC timer. If the controller doesn't have a free IRQ to use
* or if interrupt steering doesn't work, poll the controller for
* insertion/removal events.
*/
static void
pcictimeout(void *chan)
{
pcicintr(chan);
pcictimeout_ch = timeout(pcictimeout, chan, hz/2);
}
/*
* PCIC Interrupt handler.
* Check each slot in turn, and read the card status change
* register. If this is non-zero, then a change has occurred
* on this card, so send an event to the main code.
*/
static void
pcicintr(void *arg)
{
int slot, s;
unsigned char chg;
int unit = (int) arg;
struct pcic_slot *sp = &pcic_slots[unit * PCIC_CARD_SLOTS];
s = splhigh();
for (slot = 0; slot < PCIC_CARD_SLOTS; slot++, sp++) {
if (sp->slt && (chg = sp->getb(sp, PCIC_STAT_CHG)) != 0) {
if (chg & PCIC_CDTCH) {
if ((sp->getb(sp, PCIC_STATUS) & PCIC_CD) ==
PCIC_CD) {
pccard_event(sp->slt, card_inserted);
} else {
pccard_event(sp->slt, card_removed);
}
}
}
}
splx(s);
}
/*
* pcic_resume - Suspend/resume support for PCIC
*/
static void
pcic_resume(struct slot *slt)
{
struct pcic_slot *sp = slt->cdata;
sp->putb(sp, PCIC_STAT_INT, (slt->irq << 4) | 0xF);
if (sp->controller == PCIC_PD672X) {
setb(sp, PCIC_MISC1, PCIC_SPKR_EN);
setb(sp, PCIC_MISC2, PCIC_LPDM_EN);
}
}
static int
pcic_activate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct pccard_devinfo *devi = device_get_ivars(child);
int err;
switch (type) {
case SYS_RES_IOPORT:
{
struct io_desc *ip;
ip = &devi->slt->io[rid];
if (ip->flags == 0) {
if (rid == 0)
ip->flags = IODF_WS | IODF_16BIT | IODF_CS16;
else
ip->flags = devi->slt->io[0].flags;
}
ip->flags |= IODF_ACTIVE;
ip->start = rman_get_start(r);
ip->size = rman_get_end(r) - rman_get_start(r) + 1;
err = pcic_io(devi->slt, rid);
if (err)
return err;
break;
}
case SYS_RES_IRQ:
/*
* We actually defer the activation of the IRQ resource
* until the interrupt is registered to avoid stray
* interrupt messages.
*/
break;
case SYS_RES_MEMORY:
{
struct mem_desc *mp;
if (rid >= NUM_MEM_WINDOWS)
return EINVAL;
mp = &devi->slt->mem[rid];
mp->flags |= MDF_ACTIVE;
mp->start = (caddr_t) rman_get_start(r);
mp->size = rman_get_end(r) - rman_get_start(r) + 1;
err = pcic_memory(devi->slt, rid);
if (err)
return err;
break;
}
default:
break;
}
err = bus_generic_activate_resource(dev, child, type, rid, r);
return err;
}
static int
pcic_deactivate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct pccard_devinfo *devi = device_get_ivars(child);
int err;
switch (type) {
case SYS_RES_IOPORT:
{
struct io_desc *ip = &devi->slt->io[rid];
ip->flags &= ~IODF_ACTIVE;
err = pcic_io(devi->slt, rid);
if (err) {
return err;
}
break;
}
case SYS_RES_IRQ:
break;
case SYS_RES_MEMORY:
{
struct mem_desc *mp = &devi->slt->mem[rid];
mp->flags &= ~(MDF_ACTIVE | MDF_ATTR);
err = pcic_memory(devi->slt, rid);
if (err) {
return err;
}
break;
}
default:
break;
}
err = bus_generic_deactivate_resource(dev, child, type, rid, r);
return err;
}
static int
pcic_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_intr_t *intr, void *arg, void **cookiep)
{
struct pccard_devinfo *devi = device_get_ivars(child);
int err;
err = bus_generic_setup_intr(dev, child, irq, flags, intr, arg,
cookiep);
if (err == 0)
pcic_mapirq(devi->slt, rman_get_start(irq));
else
device_printf(dev, "Error %d irq %ld\n", err,
rman_get_start(irq));
return (err);
}
static int
pcic_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
struct pccard_devinfo *devi = device_get_ivars(child);
pcic_mapirq(devi->slt, 0);
return (bus_generic_teardown_intr(dev, child, irq, cookie));
}
static device_method_t pcic_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pcic_probe),
DEVMETHOD(device_attach, pcic_attach),
DEVMETHOD(device_detach, bus_generic_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, pcic_activate_resource),
DEVMETHOD(bus_deactivate_resource, pcic_deactivate_resource),
DEVMETHOD(bus_setup_intr, pcic_setup_intr),
DEVMETHOD(bus_teardown_intr, pcic_teardown_intr),
{ 0, 0 }
};
devclass_t pcic_devclass;
static driver_t pcic_driver = {
"pcic",
pcic_methods,
sizeof(int)
};
DRIVER_MODULE(pcic, isa, pcic_driver, pcic_devclass, 0, 0);
Reference in New Issue View Git Blame Copy Permalink