NetBSD/sys/dev/cardbus/if_ral_cardbus.c
dyoung 508883c164 Use PCI_ constants and macros instead of CARDBUS_. Use
Cardbus_conf_{read,write}() instead of cardbus_conf_{read,write}().
Delete all of the CARDBUS_ constants and macros that replicate PCI_.

Compile-tested, only.
2010-02-26 00:57:01 +00:00

265 lines
6.7 KiB
C

/* $NetBSD: if_ral_cardbus.c,v 1.20 2010/02/26 00:57:02 dyoung Exp $ */
/* $OpenBSD: if_ral_cardbus.c,v 1.6 2006/01/09 20:03:31 damien Exp $ */
/*-
* Copyright (c) 2005, 2006
* Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* CardBus front-end for the Ralink RT2560/RT2561/RT2561S/RT2661 driver.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ral_cardbus.c,v 1.20 2010/02/26 00:57:02 dyoung Exp $");
#include <sys/param.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/callout.h>
#include <sys/device.h>
#include <sys/bus.h>
#include <sys/intr.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <netinet/in.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_amrr.h>
#include <net80211/ieee80211_rssadapt.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/ic/rt2560var.h>
#include <dev/ic/rt2661var.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/cardbus/cardbusvar.h>
static struct ral_opns {
int (*attach)(void *, int);
int (*detach)(void *);
int (*intr)(void *);
} ral_rt2560_opns = {
rt2560_attach,
rt2560_detach,
rt2560_intr
}, ral_rt2661_opns = {
rt2661_attach,
rt2661_detach,
rt2661_intr
};
struct ral_cardbus_softc {
union {
struct rt2560_softc sc_rt2560;
struct rt2661_softc sc_rt2661;
} u;
#define sc_sc u.sc_rt2560
/* cardbus specific goo */
struct ral_opns *sc_opns;
cardbus_devfunc_t sc_ct;
pcitag_t sc_tag;
void *sc_ih;
bus_size_t sc_mapsize;
pcireg_t sc_bar_val;
cardbus_intr_line_t sc_intrline;
};
int ral_cardbus_match(device_t, cfdata_t, void *);
void ral_cardbus_attach(device_t, device_t, void *);
int ral_cardbus_detach(device_t, int);
CFATTACH_DECL(ral_cardbus, sizeof (struct ral_cardbus_softc),
ral_cardbus_match, ral_cardbus_attach, ral_cardbus_detach, NULL);
int ral_cardbus_enable(struct rt2560_softc *);
void ral_cardbus_disable(struct rt2560_softc *);
void ral_cardbus_power(struct rt2560_softc *, int);
void ral_cardbus_setup(struct ral_cardbus_softc *);
int
ral_cardbus_match(device_t parent,
cfdata_t cfdata, void *aux)
{
struct cardbus_attach_args *ca = aux;
if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_RALINK) {
switch (PCI_PRODUCT(ca->ca_id)) {
case PCI_PRODUCT_RALINK_RT2560:
case PCI_PRODUCT_RALINK_RT2561:
case PCI_PRODUCT_RALINK_RT2561S:
case PCI_PRODUCT_RALINK_RT2661:
return 1;
default:
return 0;
}
}
return 0;
}
void
ral_cardbus_attach(device_t parent, device_t self,
void *aux)
{
struct ral_cardbus_softc *csc = (struct ral_cardbus_softc *)self;
struct rt2560_softc *sc = &csc->sc_sc;
struct cardbus_attach_args *ca = aux;
cardbus_devfunc_t ct = ca->ca_ct;
char devinfo[256];
bus_addr_t base;
int error, revision;
pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
revision = PCI_REVISION(ca->ca_class);
aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision);
csc->sc_opns =
(PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_RALINK_RT2560) ?
&ral_rt2560_opns : &ral_rt2661_opns;
sc->sc_dmat = ca->ca_dmat;
csc->sc_ct = ct;
csc->sc_tag = ca->ca_tag;
csc->sc_intrline = ca->ca_intrline;
/* power management hooks */
sc->sc_enable = ral_cardbus_enable;
sc->sc_disable = ral_cardbus_disable;
/* map control/status registers */
error = Cardbus_mapreg_map(ct, PCI_BAR0,
PCI_MAPREG_TYPE_MEM, 0, &sc->sc_st, &sc->sc_sh, &base,
&csc->sc_mapsize);
if (error != 0) {
printf(": could not map memory space\n");
return;
}
#if rbus
#else
(*cf->cardbus_mem_open)(cc, 0, base, base + csc->sc_mapsize);
#endif
csc->sc_bar_val = base | PCI_MAPREG_TYPE_MEM;
/* set up the PCI configuration registers */
ral_cardbus_setup(csc);
(*csc->sc_opns->attach)(sc, PCI_PRODUCT(ca->ca_id));
Cardbus_function_disable(ct);
}
int
ral_cardbus_detach(device_t self, int flags)
{
struct ral_cardbus_softc *csc = (struct ral_cardbus_softc *)self;
struct rt2560_softc *sc = &csc->sc_sc;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
int error;
error = (*csc->sc_opns->detach)(sc);
if (error != 0)
return error;
/* unhook the interrupt handler */
if (csc->sc_ih != NULL) {
cardbus_intr_disestablish(cc, cf, csc->sc_ih);
csc->sc_ih = NULL;
}
/* release bus space and close window */
Cardbus_mapreg_unmap(ct, PCI_BAR0, sc->sc_st, sc->sc_sh,
csc->sc_mapsize);
return 0;
}
int
ral_cardbus_enable(struct rt2560_softc *sc)
{
struct ral_cardbus_softc *csc = (struct ral_cardbus_softc *)sc;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
/* power on the socket */
Cardbus_function_enable(ct);
/* setup the PCI configuration registers */
ral_cardbus_setup(csc);
/* map and establish the interrupt handler */
csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, IPL_NET,
csc->sc_opns->intr, sc);
if (csc->sc_ih == NULL) {
aprint_error_dev(&sc->sc_dev,
"could not establish interrupt\n");
Cardbus_function_disable(ct);
return 1;
}
return 0;
}
void
ral_cardbus_disable(struct rt2560_softc *sc)
{
struct ral_cardbus_softc *csc = (struct ral_cardbus_softc *)sc;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
/* unhook the interrupt handler */
cardbus_intr_disestablish(cc, cf, csc->sc_ih);
csc->sc_ih = NULL;
/* power down the socket */
Cardbus_function_disable(ct);
}
void
ral_cardbus_setup(struct ral_cardbus_softc *csc)
{
cardbus_devfunc_t ct = csc->sc_ct;
pcireg_t reg;
/* program the BAR */
Cardbus_conf_write(ct, csc->sc_tag, PCI_BAR0, csc->sc_bar_val);
/* enable the appropriate bits in the PCI CSR */
reg = Cardbus_conf_read(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG);
reg |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE;
Cardbus_conf_write(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG, reg);
}