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NetBSD/sys/dev/if_ndis/if_ndis_pci.c

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/*-
* Copyright (c) 2003
* Bill Paul <wpaul@windriver.com>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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.
*/
#include <sys/cdefs.h>
#ifdef __FreeBSD__
__FBSDID("$FreeBSD: src/sys/dev/if_ndis/if_ndis_pci.c,v 1.8.2.3 2005/03/31 04:24:36 wpaul Exp $");
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#ifdef __FreeBSD__
#include <sys/module.h>
#else
#include <sys/lkm.h>
#endif
#include <sys/socket.h>
#include <sys/queue.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <machine/bus.h>
#ifdef __FreeBSD__
#include <machine/resource.h>
#include <sys/bus.h>
#include <sys/rman.h>
#endif
#ifdef __NetBSD__
#include <sys/kthread.h>
#include <net/if_ether.h>
#endif
#include <net80211/ieee80211_var.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <compat/ndis/pe_var.h>
#include <compat/ndis/resource_var.h>
#include <compat/ndis/ntoskrnl_var.h>
#include <compat/ndis/ndis_var.h>
#include <compat/ndis/cfg_var.h>
#include <dev/if_ndis/if_ndisvar.h>
#include "ndis_driver_data.h"
#ifdef __NetBSD__
#ifndef NDIS_LKM
#include <compat/ndis/hal_var.h>
#endif
#endif /* __NetBSD__ */
#ifdef NDIS_PCI_DEV_TABLE
#ifdef __FreeBSD
MODULE_DEPEND(ndis, pci, 1, 1, 1);
MODULE_DEPEND(ndis, ether, 1, 1, 1);
MODULE_DEPEND(ndis, wlan, 1, 1, 1);
MODULE_DEPEND(ndis, ndisapi, 1, 1, 1);
#endif
/*
* Various supported device vendors/types and their names.
* These are defined in the ndis_driver_data.h file.
*/
static struct ndis_pci_type ndis_devs[] = {
#ifdef NDIS_PCI_DEV_TABLE
NDIS_PCI_DEV_TABLE
#endif
{ 0, 0, 0, NULL }
};
#ifdef __FreeBSD__
static int ndis_probe_pci (device_t);
static int ndis_attach_pci (device_t);
#else /* __NetBSD__ */
/*static*/ int ndis_probe_pci(struct device *parent,
struct cfdata *match,
void *aux);
/*static*/ void ndis_attach_pci(struct device *parent,
struct device *self,
void *aux);
#endif
#ifdef __FreeBSD__
static struct resource_list *ndis_get_resource_list
(device_t, device_t);
extern int ndisdrv_modevent (module_t, int, void *);
#endif
#ifdef __FreeBSD__
extern int ndis_attach (device_t);
#else /* __NetBSD__ */
extern void ndis_attach (void *);
#endif
extern int ndis_shutdown (device_t);
#ifdef __FreeBSD__
extern int ndis_detach (device_t);
#else /* __NetBSD__ */
extern int ndis_detach (device_t, int);
#endif
extern int ndis_suspend (device_t);
extern int ndis_resume (device_t);
#ifdef __NetBSD__
extern int ndis_intr(void *);
#endif
extern unsigned char drv_data[];
#ifndef NDIS_LKM
//static funcptr ndis_txeof_wrap;
//static funcptr ndis_rxeof_wrap;
//static funcptr ndis_linksts_wrap;
//static funcptr ndis_linksts_done_wrap;
#endif
#ifdef __FreeBSD__
static device_method_t ndis_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ndis_probe_pci),
DEVMETHOD(device_attach, ndis_attach_pci),
DEVMETHOD(device_detach, ndis_detach),
DEVMETHOD(device_shutdown, ndis_shutdown),
DEVMETHOD(device_suspend, ndis_suspend),
DEVMETHOD(device_resume, ndis_resume),
/* Bus interface */
DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
{ 0, 0 }
};
static driver_t ndis_driver = {
#ifdef NDIS_DEVNAME
NDIS_DEVNAME,
#else
"ndis",
#endif
ndis_methods,
sizeof(struct ndis_softc)
};
static devclass_t ndis_devclass;
#ifdef NDIS_MODNAME
#define NDIS_MODNAME_OVERRIDE_PCI(x) \
DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0)
#define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \
DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, \
ndisdrv_modevent, 0)
NDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME);
NDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME);
#else
DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
#endif
#endif /* __FreeBSD__ */
#ifdef __NetBSD__
CFATTACH_DECL(
#ifdef NDIS_DEVNAME
NDIS_DEVNAME,
#else
ndis,
#endif
sizeof(struct ndis_softc),
ndis_probe_pci,
ndis_attach_pci,
ndis_detach,
NULL);
#endif /* __NetBSD__ */
#ifdef __FreeBSD__
/*
* Probe for an NDIS device. Check the PCI vendor and device
* IDs against our list and return a device name if we find a match.
*/
static int
ndis_probe_pci(dev)
device_t dev;
{
struct ndis_pci_type *t;
driver_object *drv;
t = ndis_devs;
drv = windrv_lookup(0, "PCI Bus");
if (drv == NULL)
return(ENXIO);
while(t->ndis_name != NULL) {
if ((pci_get_vendor(dev) == t->ndis_vid) &&
(pci_get_device(dev) == t->ndis_did) &&
((pci_read_config(dev, PCIR_SUBVEND_0, 4) ==
t->ndis_subsys) || t->ndis_subsys == 0)) {
device_set_desc(dev, t->ndis_name);
/* Create PDO for this device instance */
windrv_create_pdo(drv, dev);
return(0);
}
t++;
}
return(ENXIO);
}
#endif /* __FreeBSD__ */
#ifdef __NetBSD__
extern int
ndis_lkm_handle(struct lkm_table *lkmtp, int cmd);
extern int
ndisdrv_modevent(module_t mod, int cmd);
/*
* These are just for the in-kernel version, to delay calling
* these functions untill enough context is built up.
*/
void load_ndisapi(void *);
void load_ndisdrv(void *);
void load_ndisapi(void *arg)
{
ndis_lkm_handle(NULL, MOD_LOAD);
}
void load_ndisdrv(void *arg)
{
ndisdrv_modevent(NULL, MOD_LOAD);
}
/*static*/ int
ndis_probe_pci(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = aux;
int vendor = PCI_VENDOR(pa->pa_id);
int product = PCI_PRODUCT(pa->pa_id);
struct ndis_pci_type *t = ndis_devs;
driver_object *drv = NULL; /* = windrv_lookup(0, "PCI Bus");**/
#ifdef NDIS_DBG
printf("in ndis_probe_pci\n");
printf("vendor = %x, product = %x\n", vendor, product);
#endif
while(t->ndis_name != NULL) {
#ifdef NDIS_DBG
printf("t->ndis_vid = %x, t->ndis_did = %x\n",
t->ndis_vid, t->ndis_did);
#endif
if((vendor == t->ndis_vid) && (product == t->ndis_did)) {
#ifndef NDIS_LKM
ndis_lkm_handle(NULL, LKM_E_LOAD);
//kthread_create(load_ndisapi, NULL);
#endif /* NDIS_LKM */
ndisdrv_modevent(NULL, MOD_LOAD);
//kthread_create(load_ndisdrv, NULL);
drv = windrv_lookup(0, "PCI Bus");
printf("Matching vendor: %x, product: %x, name: %s\n", vendor, product, t->ndis_name);
windrv_create_pdo(drv, parent);
return 1;
}
t++;
}
return 0; /* dosen't match */
}
#endif /* __NetBSD__ */
#ifdef __FreeBSD__
/*
* Attach the interface. Allocate softc structures, do ifmedia
* setup and ethernet/BPF attach.
*/
static int
ndis_attach_pci(dev)
device_t dev;
{
struct ndis_softc *sc;
int unit, error = 0, rid;
struct ndis_pci_type *t;
int devidx = 0, defidx = 0;
struct resource_list *rl;
struct resource_list_entry *rle;
sc = device_get_softc(dev);
unit = device_get_unit(dev);
sc->ndis_dev = dev;
/*
* Map control/status registers.
*/
pci_enable_busmaster(dev);
rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev);
if (rl != NULL) {
SLIST_FOREACH(rle, rl, link) {
switch (rle->type) {
case SYS_RES_IOPORT:
sc->ndis_io_rid = rle->rid;
sc->ndis_res_io = bus_alloc_resource(dev,
SYS_RES_IOPORT, &sc->ndis_io_rid,
0, ~0, 1, RF_ACTIVE);
if (sc->ndis_res_io == NULL) {
aprint_error("%s: couldn't map iospace\n",
dev->dv_xname);
error = ENXIO;
goto fail;
}
break;
case SYS_RES_MEMORY:
if (sc->ndis_res_altmem != NULL &&
sc->ndis_res_mem != NULL) {
aprint_error("%s: too many memory resources\n"
dev->dv_xname);
error = ENXIO;
goto fail;
}
if (sc->ndis_res_mem) {
sc->ndis_altmem_rid = rle->rid;
sc->ndis_res_altmem =
bus_alloc_resource(dev,
SYS_RES_MEMORY,
&sc->ndis_altmem_rid,
0, ~0, 1, RF_ACTIVE);
if (sc->ndis_res_altmem == NULL) {
aprint_error("%s: couldn't map alt "
"memory\n",
dev->dv_xname);
error = ENXIO;
goto fail;
}
} else {
sc->ndis_mem_rid = rle->rid;
sc->ndis_res_mem =
bus_alloc_resource(dev,
SYS_RES_MEMORY,
&sc->ndis_mem_rid,
0, ~0, 1, RF_ACTIVE);
if (sc->ndis_res_mem == NULL) {
aprint_error("%s: couldn't map memory\n",
dev->dv_xname);
error = ENXIO;
goto fail;
}
}
break;
case SYS_RES_IRQ:
rid = rle->rid;
sc->ndis_irq = bus_alloc_resource(dev,
SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
if (sc->ndis_irq == NULL) {
aprint_error("%s: couldn't map interrupt\n"
dev->dv_xname);
error = ENXIO;
goto fail;
}
break;
default:
break;
}
sc->ndis_rescnt++;
}
}
/*
* If the BIOS did not set up an interrupt for this device,
* the resource traversal code above will fail to set up
* an IRQ resource. This is usually a bad thing, so try to
* force the allocation of an interrupt here. If one was
* not assigned to us by the BIOS, bus_alloc_resource()
* should route one for us.
*/
if (sc->ndis_irq == NULL) {
rid = 0;
sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ,
&rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
if (sc->ndis_irq == NULL) {
aprint_error("%s: couldn't route interrupt\n",
dev->dv_xname);
error = ENXIO;
goto fail;
}
sc->ndis_rescnt++;
}
/*
* Allocate the parent bus DMA tag appropriate for PCI.
*/
#define NDIS_NSEG_NEW 32
error = bus_dma_tag_create(NULL, /* parent */
1, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */
BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
BUS_DMA_ALLOCNOW, /* flags */
NULL, NULL, /* lockfunc, lockarg */
&sc->ndis_parent_tag);
if (error)
goto fail;
sc->ndis_iftype = PCIBus;
/* Figure out exactly which device we matched. */
t = ndis_devs;
while(t->ndis_name != NULL) {
if ((pci_get_vendor(dev) == t->ndis_vid) &&
(pci_get_device(dev) == t->ndis_did)) {
if (t->ndis_subsys == 0)
defidx = devidx;
else {
if (t->ndis_subsys ==
pci_read_config(dev, PCIR_SUBVEND_0, 4))
break;
}
}
t++;
devidx++;
}
if (ndis_devs[devidx].ndis_name == NULL)
sc->ndis_devidx = defidx;
else
sc->ndis_devidx = devidx;
error = ndis_attach(dev);
fail:
return(error);
}
#endif /* __FreeBSD__ */
#ifdef __NetBSD__
/* 6 BADR's + 1 IRQ (so far) */
#define MAX_RESOURCES 7
/*static*/
void ndis_attach_pci(struct device *parent, struct device *self, void *aux)
{
struct ndis_softc *sc = (struct ndis_softc*)self;
struct pci_attach_args *pa = aux;
#ifdef NDIS_DBG
char devinfo[256];
#endif
pci_intr_handle_t ih;
pcireg_t type;
bus_addr_t base;
bus_size_t size;
int flags;
ndis_resource_list *rl = NULL;
struct cm_partial_resource_desc *prd = NULL;
#ifdef NDIS_DBG
struct pci_conf_state conf_state;
int revision, i;
#endif
int bar;
printf("in ndis_attach_pci()\n");
/* initalize the softc */
//sc->ndis_hardware_type = NDIS_PCI;
sc->ndis_dev = self;
sc->ndis_iftype = PCIBus;
sc->ndis_res_pc = pa->pa_pc;
sc->ndis_res_pctag = pa->pa_tag;
/* TODO: is this correct? All are just pa->pa_dmat? */
sc->ndis_mtag = pa->pa_dmat;
sc->ndis_ttag = pa->pa_dmat;
sc->ndis_parent_tag = pa->pa_dmat;
sc->ndis_res_io = NULL;
sc->ndis_res_mem = NULL;
sc->ndis_res_altmem = NULL;
sc->ndis_block = NULL;
sc->ndis_shlist = NULL;
ndis_in_isr = FALSE;
printf("sc->ndis_mtag = %x\n", (unsigned int)sc->ndis_mtag);
rl = malloc(sizeof(ndis_resource_list) +
(sizeof(cm_partial_resource_desc) * (MAX_RESOURCES-1)),
M_DEVBUF, M_NOWAIT|M_ZERO);
if(rl == NULL) {
sc->error = ENOMEM;
//printf("error: out of memory\n");
return;
}
rl->cprl_version = 5;
rl->cprl_version = 1;
rl->cprl_count = 0;
prd = rl->cprl_partial_descs;
#ifdef NDIS_DBG
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof devinfo);
revision = PCI_REVISION(pa->pa_class);
printf(": %s (rev. 0x%02x)\n", devinfo, revision);
pci_conf_print(sc->ndis_res_pc, sc->ndis_res_pctag, NULL);
pci_conf_capture(sc->ndis_res_pc, sc->ndis_res_pctag, &conf_state);
for(i=0; i<16; i++) {
printf("conf_state.reg[%d] = %x\n", i, conf_state.reg[i]);
}
#endif
/* just do the conversion work in attach instead of calling ndis_convert_res() */
for(bar = 0x10; bar <= 0x24; bar += 0x04) {
type = pci_mapreg_type(sc->ndis_res_pc, sc->ndis_res_pctag, bar);
if(pci_mapreg_info(sc->ndis_res_pc, sc->ndis_res_pctag, bar, type, &base,
&size, &flags)) {
printf("pci_mapreg_info() failed on BAR 0x%x!\n", bar);
} else {
switch(type) {
case PCI_MAPREG_TYPE_IO:
prd->cprd_type = CmResourceTypePort;
prd->cprd_flags = CM_RESOURCE_PORT_IO;
prd->u.cprd_port.cprd_start.np_quad = (uint64_t)base;
prd->u.cprd_port.cprd_len = (uint32_t)size;
if((sc->ndis_res_io =
malloc(sizeof(struct ndis_resource), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
//printf("error: out of memory\n");
sc->error = ENOMEM;
return;
}
sc->ndis_res_io->res_base = base;
sc->ndis_res_io->res_size = size;
sc->ndis_res_io->res_tag = X86_BUS_SPACE_IO;
bus_space_map(sc->ndis_res_io->res_tag,
sc->ndis_res_io->res_base,
sc->ndis_res_io->res_size,
flags,
&sc->ndis_res_io->res_handle);
break;
case PCI_MAPREG_TYPE_MEM:
prd->cprd_type = CmResourceTypeMemory;
prd->cprd_flags = CM_RESOURCE_MEMORY_READ_WRITE;
prd->u.cprd_mem.cprd_start.np_quad = (uint64_t)base;
prd->u.cprd_mem.cprd_len = (uint32_t)size;
if(sc->ndis_res_mem != NULL &&
sc->ndis_res_altmem != NULL) {
printf("too many resources\n");
sc->error = ENXIO;
return;
}
if(sc->ndis_res_mem) {
if((sc->ndis_res_altmem =
malloc(sizeof(struct ndis_resource), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
sc->error = ENOMEM;
return;
}
sc->ndis_res_altmem->res_base = base;
sc->ndis_res_altmem->res_size = size;
sc->ndis_res_altmem->res_tag = X86_BUS_SPACE_MEM;
if(bus_space_map(sc->ndis_res_altmem->res_tag,
sc->ndis_res_altmem->res_base,
sc->ndis_res_altmem->res_size,
flags|BUS_SPACE_MAP_LINEAR,
&sc->ndis_res_altmem->res_handle)) {
printf("bus_space_map failed\n");
}
} else {
if((sc->ndis_res_mem =
malloc(sizeof(struct ndis_resource), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
sc->error = ENOMEM;
return;
}
sc->ndis_res_mem->res_base = base;
sc->ndis_res_mem->res_size = size;
sc->ndis_res_mem->res_tag = X86_BUS_SPACE_MEM;
if(bus_space_map(sc->ndis_res_mem->res_tag,
sc->ndis_res_mem->res_base,
sc->ndis_res_mem->res_size,
flags|BUS_SPACE_MAP_LINEAR,
&sc->ndis_res_mem->res_handle)) {
printf("bus_space_map failed\n");
}
}
break;
default:
printf("unknown type\n");
}
prd->cprd_sharedisp = CmResourceShareDeviceExclusive;
rl->cprl_count++;
prd++;
}
}
/* add the interrupt to the list */
prd->cprd_type = CmResourceTypeInterrupt;
prd->cprd_flags = 0;
/* TODO: is this all we need to save for the interrupt? */
prd->u.cprd_intr.cprd_level = pa->pa_intrline;
prd->u.cprd_intr.cprd_vector = pa->pa_intrline;
prd->u.cprd_intr.cprd_affinity = 0;
rl->cprl_count++;
pci_intr_map(pa, &ih);
sc->ndis_intrhand = pci_intr_establish(pa->pa_pc, ih, IPL_NET /*| PCATCH*/, ndis_intr, sc);
sc->ndis_irq = (void *)sc->ndis_intrhand;
printf("pci interrupt: %s\n", pci_intr_string(pa->pa_pc, ih));
if(rl == NULL) {
sc->error = ENOMEM;
return;
}
/* save resource list in the softc */
sc->ndis_rl = rl;
sc->ndis_rescnt = rl->cprl_count;
kthread_create(ndis_attach, (void *)sc);
}
#endif /* __NetBSD__ */
#ifdef __FreeBSD__
static struct resource_list *
ndis_get_resource_list(dev, child)
device_t dev;
device_t child;
{
struct ndis_softc *sc;
sc = device_get_softc(dev);
return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));
}
#endif /* __FreeBSD__ */
#endif /* NDIS_PCI_DEV_TABLE */
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