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Diffstat (limited to 'sys/dev/ex/if_ex.c')
-rw-r--r--sys/dev/ex/if_ex.c368
1 files changed, 71 insertions, 297 deletions
diff --git a/sys/dev/ex/if_ex.c b/sys/dev/ex/if_ex.c
index 28f888a..166e01a 100644
--- a/sys/dev/ex/if_ex.c
+++ b/sys/dev/ex/if_ex.c
@@ -69,6 +69,7 @@
#include <isa/pnpvar.h>
#include <dev/ex/if_exreg.h>
+#include <dev/ex/if_exvar.h>
#ifdef EXDEBUG
# define Start_End 1
@@ -82,59 +83,16 @@ static int exintr_count = 0;
# define DODEBUG(level, action)
#endif
-#define CARD_TYPE_EX_10 1
-#define CARD_TYPE_EX_10_PLUS 2
-
-struct ex_softc {
- struct arpcom arpcom; /* Ethernet common data */
- struct ifmedia ifmedia;
-
- device_t dev;
- struct resource *ioport;
- struct resource *irq;
-
- u_int iobase; /* I/O base address. */
- u_short irq_no; /* IRQ number. */
-
- char * irq2ee; /* irq <-> internal */
- u_char * ee2irq; /* representation conversion */
-
- u_int mem_size; /* Total memory size, in bytes. */
- u_int rx_mem_size; /* Rx memory size (by default, */
- /* first 3/4 of total memory). */
-
- u_int rx_lower_limit; /* Lower and upper limits of */
- u_int rx_upper_limit; /* receive buffer. */
-
- u_int rx_head; /* Head of receive ring buffer. */
- u_int tx_mem_size; /* Tx memory size (by default, */
- /* last quarter of total memory).*/
-
- u_int tx_lower_limit; /* Lower and upper limits of */
- u_int tx_upper_limit; /* transmit buffer. */
-
- u_int tx_head; /* Head and tail of */
- u_int tx_tail; /* transmit ring buffer. */
-
- u_int tx_last; /* Pointer to beginning of last */
- /* frame in the chain. */
-};
-
-static char irq2eemap[] =
+char irq2eemap[] =
{ -1, -1, 0, 1, -1, 2, -1, -1, -1, 0, 3, 4, -1, -1, -1, -1 };
-static u_char ee2irqmap[] =
+u_char ee2irqmap[] =
{ 9, 3, 5, 10, 11, 0, 0, 0 };
-
-static char plus_irq2eemap[] =
+
+char plus_irq2eemap[] =
{ -1, -1, -1, 0, 1, 2, -1, 3, -1, 4, 5, 6, 7, -1, -1, -1 };
-static u_char plus_ee2irqmap[] =
+u_char plus_ee2irqmap[] =
{ 3, 4, 5, 7, 9, 10, 11, 12 };
-/* Bus Front End Functions */
-static void ex_isa_identify __P((driver_t *, device_t));
-static int ex_isa_probe __P((device_t));
-static int ex_isa_attach __P((device_t));
-
/* Network Interface Functions */
static void ex_init __P((void *));
static void ex_start __P((struct ifnet *));
@@ -145,42 +103,16 @@ static void ex_watchdog __P((struct ifnet *));
static int ex_ifmedia_upd __P((struct ifnet *));
static void ex_ifmedia_sts __P((struct ifnet *, struct ifmediareq *));
+static int ex_get_media __P((u_int32_t iobase));
+
static void ex_stop __P((struct ex_softc *));
static void ex_reset __P((struct ex_softc *));
-static driver_intr_t ex_intr;
static void ex_tx_intr __P((struct ex_softc *));
static void ex_rx_intr __P((struct ex_softc *));
-static u_short eeprom_read __P((int, int));
-
-static device_method_t ex_methods[] = {
- /* Device interface */
- DEVMETHOD(device_identify, ex_isa_identify),
- DEVMETHOD(device_probe, ex_isa_probe),
- DEVMETHOD(device_attach, ex_isa_attach),
-
- { 0, 0 }
-};
-
-static driver_t ex_driver = {
- "ex",
- ex_methods,
- sizeof(struct ex_softc),
-};
-
-static devclass_t ex_devclass;
-
-DRIVER_MODULE(ex, isa, ex_driver, ex_devclass, 0, 0);
-
-static struct isa_pnp_id ex_ids[] = {
- { 0x3110d425, NULL }, /* INT1031 */
- { 0x3010d425, NULL }, /* INT1030 */
- { 0, NULL },
-};
-
-static int
-look_for_card (u_int iobase)
+int
+look_for_card (u_int32_t iobase)
{
int count1, count2;
@@ -197,24 +129,7 @@ look_for_card (u_int iobase)
return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits));
}
-static int
-ex_get_media (u_int32_t iobase)
-{
- int tmp;
-
- outb(iobase + CMD_REG, Bank2_Sel);
- tmp = inb(iobase + REG3);
- outb(iobase + CMD_REG, Bank0_Sel);
-
- if (tmp & TPE_bit)
- return(IFM_ETHER|IFM_10_T);
- if (tmp & BNC_bit)
- return(IFM_ETHER|IFM_10_2);
-
- return (IFM_ETHER|IFM_10_5);
-}
-
-static void
+void
ex_get_address (u_int32_t iobase, u_char *enaddr)
{
u_int16_t eaddr_tmp;
@@ -232,7 +147,7 @@ ex_get_address (u_int32_t iobase, u_char *enaddr)
return;
}
-static int
+int
ex_card_type (u_char *enaddr)
{
if ((enaddr[0] == 0x00) && (enaddr[1] == 0xA0) && (enaddr[2] == 0xC9))
@@ -242,207 +157,70 @@ ex_card_type (u_char *enaddr)
}
/*
- * Non-destructive identify.
+ * Caller is responsible for eventually calling
+ * ex_release_resources() on failure.
*/
-static void
-ex_isa_identify (driver_t *driver, device_t parent)
+int
+ex_alloc_resources (device_t dev)
{
- device_t child;
- u_int32_t ioport;
- u_char enaddr[6];
- u_int irq;
- int tmp;
- const char * desc;
-
- if (bootverbose)
- printf("ex_isa_identify()\n");
-
- for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
-
- /* No board found at address */
- if (!look_for_card(ioport)) {
- continue;
- }
-
- if (bootverbose)
- printf("ex: Found card at 0x%03x!\n", ioport);
-
- /* Board in PnP mode */
- if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
- /* Reset the card. */
- outb(ioport + CMD_REG, Reset_CMD);
- DELAY(500);
- if (bootverbose)
- printf("ex: card at 0x%03x in PnP mode!\n", ioport);
- continue;
- }
-
- bzero(enaddr, sizeof(enaddr));
-
- /* Reset the card. */
- outb(ioport + CMD_REG, Reset_CMD);
- DELAY(400);
-
- ex_get_address(ioport, enaddr);
- tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
+ struct ex_softc * sc = device_get_softc(dev);
+ int error = 0;
- /* work out which set of irq <-> internal tables to use */
- if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
- irq = plus_ee2irqmap[tmp];
- desc = "Intel Pro/10+";
- } else {
- irq = ee2irqmap[tmp];
- desc = "Intel Pro/10";
- }
+ sc->ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->ioport_rid,
+ 0, ~0, 1, RF_ACTIVE);
+ if (!sc->ioport) {
+ device_printf(dev, "No I/O space?!\n");
+ error = ENOMEM;
+ goto bad;
+ }
- child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
- device_set_desc_copy(child, desc);
- device_set_driver(child, driver);
- bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
- bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
+ sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
+ 0, ~0, 1, RF_ACTIVE);
- if (bootverbose)
- printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
+ if (!sc->irq) {
+ device_printf(dev, "No IRQ?!\n");
+ error = ENOMEM;
+ goto bad;
}
- return;
+bad:
+ return (error);
}
-static int
-ex_isa_probe(device_t dev)
+void
+ex_release_resources (device_t dev)
{
- u_int iobase;
- u_int irq;
- char * irq2ee;
- u_char * ee2irq;
- u_char enaddr[6];
- int tmp;
- int error;
-
- DODEBUG(Start_End, printf("ex_probe: start\n"););
-
- /* Check isapnp ids */
- error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
-
- /* If the card had a PnP ID that didn't match any we know about */
- if (error == ENXIO) {
- return(error);
- }
-
- /* If we had some other problem. */
- if (!(error == 0 || error == ENOENT)) {
- return(error);
- }
-
- iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
- if (!iobase) {
- printf("ex: no iobase?\n");
- return(ENXIO);
- }
-
- if (!look_for_card(iobase)) {
- printf("ex: no card found at 0x%03x\n", iobase);
- return(ENXIO);
- }
-
- if (bootverbose)
- printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
-
- /*
- * Reset the card.
- */
- outb(iobase + CMD_REG, Reset_CMD);
- DELAY(800);
-
- ex_get_address(iobase, enaddr);
+ struct ex_softc * sc = device_get_softc(dev);
- /* work out which set of irq <-> internal tables to use */
- if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
- irq2ee = plus_irq2eemap;
- ee2irq = plus_ee2irqmap;
- } else {
- irq2ee = irq2eemap;
- ee2irq = ee2irqmap;
+ if (sc->ih) {
+ bus_teardown_intr(dev, sc->irq, sc->ih);
+ sc->ih = NULL;
}
- tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
- irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
-
- if (irq > 0) {
- /* This will happen if board is in PnP mode. */
- if (ee2irq[tmp] != irq) {
- printf("ex: WARNING: board's EEPROM is configured"
- " for IRQ %d, using %d\n",
- ee2irq[tmp], irq);
- }
- } else {
- irq = ee2irq[tmp];
- bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
+ if (sc->ioport) {
+ bus_release_resource(dev, SYS_RES_IOPORT,
+ sc->ioport_rid, sc->ioport);
+ sc->ioport = NULL;
}
- if (irq == 0) {
- printf("ex: invalid IRQ.\n");
- return(ENXIO);
+ if (sc->irq) {
+ bus_release_resource(dev, SYS_RES_IRQ,
+ sc->irq_rid, sc->irq);
+ sc->irq = NULL;
}
- DODEBUG(Start_End, printf("ex_probe: finish\n"););
-
- return(0);
+ return;
}
-static int
-ex_isa_attach(device_t dev)
+int
+ex_attach(device_t dev)
{
struct ex_softc * sc = device_get_softc(dev);
struct ifnet * ifp = &sc->arpcom.ac_if;
struct ifmedia * ifm;
int unit = device_get_unit(dev);
- int error;
- int rid;
- void * ih;
u_int16_t temp;
- DODEBUG(Start_End, device_printf(dev, "start\n"););
-
- rid = 0;
- sc->ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
- 0, ~0, 1, RF_ACTIVE);
-
- if (!sc->ioport) {
- device_printf(dev, "No I/O space?!\n");
- goto bad;
- }
-
- rid = 0;
- sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
- 0, ~0, 1, RF_ACTIVE);
-
- if (!sc->irq) {
- device_printf(dev, "No IRQ?!\n");
- goto bad;
- }
-
- error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
- ex_intr, (void *)sc, &ih);
-
- if (error) {
- device_printf(dev, "bus_setup_intr() failed!\n");
- goto bad;
- }
-
- /*
- * Fill in several fields of the softc structure:
- * - I/O base address.
- * - Hardware Ethernet address.
- * - IRQ number (if not supplied in config file, read it from EEPROM).
- * - Connector type.
- */
- sc->dev = dev;
- sc->iobase = rman_get_start(sc->ioport);
- sc->irq_no = rman_get_start(sc->irq);
-
- ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
-
/* work out which set of irq <-> internal tables to use */
if (ex_card_type(sc->arpcom.ac_enaddr) == CARD_TYPE_EX_10_PLUS) {
sc->irq2ee = plus_irq2eemap;
@@ -491,36 +269,16 @@ ex_isa_attach(device_t dev)
if_attach(ifp);
ether_ifattach(ifp);
- temp = eeprom_read(sc->iobase, EE_W0);
- device_printf(sc->dev, "%s config, %s bus, ",
- (temp & EE_W0_PNP) ? "PnP" : "Manual",
- (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
-
- temp = eeprom_read(sc->iobase, EE_W6);
- printf("board id 0x%03x, stepping 0x%01x\n",
- (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
- temp & EE_W6_STEP_MASK);
-
device_printf(sc->dev, "Ethernet address %6D\n",
sc->arpcom.ac_enaddr, ":");
/*
* If BPF is in the kernel, call the attach for it
*/
bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
- DODEBUG(Start_End, printf("ex_isa_attach%d: finish\n", unit););
return(0);
-bad:
-
- if (sc->ioport)
- bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->ioport);
- if (sc->irq)
- bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
-
- return (-1);
}
-
static void
ex_init(void *xsc)
{
@@ -537,7 +295,7 @@ ex_init(void *xsc)
return;
}
s = splimp();
- sc->arpcom.ac_if.if_timer = 0;
+ ifp->if_timer = 0;
/*
* Load the ethernet address into the card.
@@ -822,8 +580,7 @@ ex_stop(struct ex_softc *sc)
return;
}
-
-static void
+void
ex_intr(void *arg)
{
struct ex_softc * sc = (struct ex_softc *)arg;
@@ -1144,6 +901,23 @@ ex_watchdog(struct ifnet *ifp)
}
static int
+ex_get_media (u_int32_t iobase)
+{
+ int tmp;
+
+ outb(iobase + CMD_REG, Bank2_Sel);
+ tmp = inb(iobase + REG3);
+ outb(iobase + CMD_REG, Bank0_Sel);
+
+ if (tmp & TPE_bit)
+ return(IFM_ETHER|IFM_10_T);
+ if (tmp & BNC_bit)
+ return(IFM_ETHER|IFM_10_2);
+
+ return (IFM_ETHER|IFM_10_5);
+}
+
+static int
ex_ifmedia_upd (ifp)
struct ifnet * ifp;
{
@@ -1164,8 +938,8 @@ ex_ifmedia_sts(ifp, ifmr)
return;
}
-static u_short
-eeprom_read(int iobase, int location)
+u_short
+eeprom_read(u_int32_t iobase, int location)
{
int i;
u_short data = 0;
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