static int
unin_chip_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
void *p;
if (type == SYS_RES_IRQ)
return (bus_activate_resource(bus, type, rid, res));
if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
vm_offset_t start;
start = (vm_offset_t) rman_get_start(res);
if (bootverbose)
printf("unin mapdev: start %zx, len %ld\n", start,
rman_get_size(res));
p = pmap_mapdev(start, (vm_size_t) rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_be_tag);
rman_set_bushandle(res, (u_long)p);
}
return (rman_activate_resource(res));
}
static int
ofw_pci_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
struct ofw_pci_softc *sc;
void *p;
sc = device_get_softc(bus);
if (type == SYS_RES_IRQ) {
return (bus_activate_resource(bus, type, rid, res));
}
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
struct ofw_pci_range *rp;
vm_paddr_t start;
int space;
start = (vm_paddr_t)rman_get_start(res);
/*
* Map this through the ranges list
*/
for (rp = sc->sc_range; rp < sc->sc_range + sc->sc_nrange &&
rp->pci_hi != 0; rp++) {
if (start < rp->pci || start >= rp->pci + rp->size)
continue;
switch (rp->pci_hi & OFW_PCI_PHYS_HI_SPACEMASK) {
case OFW_PCI_PHYS_HI_SPACE_IO:
space = SYS_RES_IOPORT;
break;
case OFW_PCI_PHYS_HI_SPACE_MEM32:
case OFW_PCI_PHYS_HI_SPACE_MEM64:
space = SYS_RES_MEMORY;
break;
default:
space = -1;
}
if (type == space) {
start += (rp->host - rp->pci);
break;
}
}
if (bootverbose)
printf("ofw_pci mapdev: start %jx, len %jd\n",
(rman_res_t)start, rman_get_size(res));
p = pmap_mapdev(start, (vm_size_t)rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_le_tag);
rman_set_bushandle(res, (u_long)p);
}
return (rman_activate_resource(res));
}
static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
{
int len = vma->vm_end - vma->vm_start;
u32 key = vma->vm_pgoff << PAGE_SHIFT;
struct c4iw_rdev *rdev;
int ret = 0;
struct c4iw_mm_entry *mm;
struct c4iw_ucontext *ucontext;
u64 addr, paddr;
u64 va_regs_res = 0, va_udbs_res = 0;
u64 len_regs_res = 0, len_udbs_res = 0;
CTR3(KTR_IW_CXGBE, "%s:1 ctx %p vma %p", __func__, context, vma);
CTR4(KTR_IW_CXGBE, "%s:1a pgoff 0x%lx key 0x%x len %d", __func__,
vma->vm_pgoff, key, len);
if (vma->vm_start & (PAGE_SIZE-1)) {
CTR3(KTR_IW_CXGBE, "%s:2 unaligned vm_start %u vma %p",
__func__, vma->vm_start, vma);
return -EINVAL;
}
rdev = &(to_c4iw_dev(context->device)->rdev);
ucontext = to_c4iw_ucontext(context);
mm = remove_mmap(ucontext, key, len);
if (!mm) {
CTR4(KTR_IW_CXGBE, "%s:3 ucontext %p key %u len %u", __func__,
ucontext, key, len);
return -EINVAL;
}
addr = mm->addr;
kfree(mm);
va_regs_res = (u64)rman_get_virtual(rdev->adap->regs_res);
len_regs_res = (u64)rman_get_size(rdev->adap->regs_res);
va_udbs_res = (u64)rman_get_virtual(rdev->adap->udbs_res);
len_udbs_res = (u64)rman_get_size(rdev->adap->udbs_res);
CTR6(KTR_IW_CXGBE,
"%s:4 addr %p, masync region %p:%p, udb region %p:%p", __func__,
addr, va_regs_res, va_regs_res+len_regs_res, va_udbs_res,
va_udbs_res+len_udbs_res);
if (addr >= va_regs_res && addr < va_regs_res + len_regs_res) {
CTR4(KTR_IW_CXGBE, "%s:5 MA_SYNC addr %p region %p, reglen %u",
__func__, addr, va_regs_res, len_regs_res);
/*
* MA_SYNC register...
*/
paddr = vtophys(addr);
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
ret = io_remap_pfn_range(vma, vma->vm_start,
paddr >> PAGE_SHIFT,
len, vma->vm_page_prot);
} else {
int
ndis_alloc_amem(void *arg)
{
struct ndis_softc *sc;
int error, rid;
if (arg == NULL)
return(EINVAL);
sc = arg;
rid = NDIS_AM_RID;
#if defined(__DragonFly__)
sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY,
&rid, 0UL, ~0UL, 0x1000, RF_ACTIVE);
#else
sc->ndis_res_am = bus_alloc_resource_anywhere(sc->ndis_dev,
SYS_RES_MEMORY, &rid, 0x1000, RF_ACTIVE);
#endif
if (sc->ndis_res_am == NULL) {
device_printf(sc->ndis_dev,
"failed to allocate attribute memory\n");
return(ENXIO);
}
sc->ndis_rescnt++;
#if defined(__DragonFly__)
resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
rman_get_size(sc->ndis_res_am), -1);
#else
resource_list_add(&sc->ndis_rl, SYS_RES_MEMORY, rid,
rman_get_start(sc->ndis_res_am), rman_get_end(sc->ndis_res_am),
rman_get_size(sc->ndis_res_am));
#endif
error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev),
sc->ndis_dev, rid, 0, NULL);
if (error) {
device_printf(sc->ndis_dev,
"CARD_SET_MEMORY_OFFSET() returned 0x%x\n", error);
return(error);
}
error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev),
sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR);
if (error) {
device_printf(sc->ndis_dev,
"CARD_SET_RES_FLAGS() returned 0x%x\n", error);
return(error);
}
sc->ndis_am_rid = rid;
return(0);
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
void *vaddr;
vm_paddr_t paddr;
vm_size_t psize;
int err;
/*
* If this is a memory resource, use pmap_mapdev to map it.
*/
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
paddr = rman_get_start(r);
psize = rman_get_size(r);
rman_set_bustag(r, mips_bus_space_generic);
err = bus_space_map(rman_get_bustag(r), paddr, psize, 0,
(bus_space_handle_t *)&vaddr);
if (err != 0) {
rman_deactivate_resource(r);
return (err);
}
rman_set_virtual(r, vaddr);
rman_set_bushandle(r, (bus_space_handle_t)(uintptr_t)vaddr);
} else if (type == SYS_RES_IRQ) {
#ifdef INTRNG
intr_activate_irq(child, r);
#endif
}
return (rman_activate_resource(r));
}
static int
octopci_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
bus_space_handle_t bh;
int error;
switch (type) {
case SYS_RES_IRQ:
error = bus_generic_activate_resource(bus, child, type, rid,
res);
if (error != 0)
return (error);
return (0);
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
error = bus_space_map(rman_get_bustag(res),
rman_get_bushandle(res), rman_get_size(res), 0, &bh);
if (error != 0)
return (error);
rman_set_bushandle(res, bh);
break;
default:
return (ENXIO);
}
error = rman_activate_resource(res);
if (error != 0)
return (error);
return (0);
}
static int
nexus_deactivate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
bus_size_t psize;
bus_space_handle_t vaddr;
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
psize = (bus_size_t)rman_get_size(r);
vaddr = rman_get_bushandle(r);
if (vaddr != 0) {
#ifdef FDT
bus_space_unmap(fdtbus_bs_tag, vaddr, psize);
#else
pmap_unmapdev((vm_offset_t)vaddr, (vm_size_t)psize);
#endif
rman_set_virtual(r, NULL);
rman_set_bushandle(r, 0);
}
} else if (type == SYS_RES_IRQ) {
#ifdef INTRNG
intr_deactivate_irq(child, r);
#endif
}
return (rman_deactivate_resource(r));
}
static int
wiibus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
void *p;
switch (type) {
case SYS_RES_MEMORY:
p = pmap_mapdev(rman_get_start(res), rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_be_tag);
rman_set_bushandle(res, (unsigned long)p);
break;
case SYS_RES_IRQ:
return (bus_activate_resource(bus, type, rid, res));
default:
device_printf(bus,
"unknown activate resource request from %s\n",
device_get_nameunit(child));
return (ENXIO);
}
return (rman_activate_resource(res));
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
vm_paddr_t paddr, psize;
void *vaddr;
/*
* If this is a memory resource, map it into the kernel.
*/
switch (type) {
case SYS_RES_IOPORT:
rman_set_bustag(r, IA64_BUS_SPACE_IO);
rman_set_bushandle(r, rman_get_start(r));
break;
case SYS_RES_MEMORY:
paddr = rman_get_start(r);
psize = rman_get_size(r);
vaddr = pmap_mapdev(paddr, psize);
rman_set_virtual(r, vaddr);
rman_set_bustag(r, IA64_BUS_SPACE_MEM);
rman_set_bushandle(r, (bus_space_handle_t) paddr);
break;
}
return (rman_activate_resource(r));
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
int err;
bus_addr_t paddr;
bus_size_t psize;
bus_space_handle_t vaddr;
if ((err = rman_activate_resource(r)) != 0)
return (err);
/*
* If this is a memory resource, map it into the kernel.
*/
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
paddr = (bus_addr_t)rman_get_start(r);
psize = (bus_size_t)rman_get_size(r);
err = bus_space_map(&memmap_bus, paddr, psize, 0, &vaddr);
if (err != 0) {
rman_deactivate_resource(r);
return (err);
}
rman_set_bustag(r, &memmap_bus);
rman_set_virtual(r, (void *)vaddr);
rman_set_bushandle(r, vaddr);
} else if (type == SYS_RES_IRQ) {
intr_activate_irq(child, r);
}
return (0);
}
static int
ata_pccard_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
struct resource *io, *ctlio;
int i, rid, err;
uint16_t funce;
if (ch->attached)
return (0);
ch->attached = 1;
/* allocate the io range to get start and length */
rid = ATA_IOADDR_RID;
if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE)))
return (ENXIO);
/* setup the resource vectors */
for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
ch->r_io[i].res = io;
ch->r_io[i].offset = i;
}
ch->r_io[ATA_IDX_ADDR].res = io;
/*
* if we got more than the default ATA_IOSIZE ports, this is a device
* where ctlio is located at offset 14 into "normal" io space.
*/
if (rman_get_size(io) > ATA_IOSIZE) {
ch->r_io[ATA_CONTROL].res = io;
ch->r_io[ATA_CONTROL].offset = 14;
}
else {
rid = ATA_CTLADDR_RID;
if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_CTLIOSIZE, RF_ACTIVE))) {
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
for (i = ATA_DATA; i < ATA_MAX_RES; i++)
ch->r_io[i].res = NULL;
return (ENXIO);
}
ch->r_io[ATA_CONTROL].res = ctlio;
ch->r_io[ATA_CONTROL].offset = 0;
}
ata_default_registers(dev);
/* initialize softc for this channel */
ch->unit = 0;
ch->flags |= ATA_USE_16BIT;
funce = 0; /* Default to sane setting of FUNCE */
pccard_get_funce_disk(dev, &funce);
if (!(funce & PFD_I_D))
ch-> flags |= ATA_NO_SLAVE;
ata_generic_hw(dev);
err = ata_probe(dev);
if (err)
return (err);
return (ata_attach(dev));
}
/*
* All I/O to/from the altpll register device must be 32-bit, and aligned
* to 32-bit.
*/
static int
altpll_reg_read(struct cdev *dev, struct uio *uio, int flag)
{
struct altpll_softc *sc;
u_long offset, size;
uint32_t v;
int error;
if (uio->uio_offset < 0 || uio->uio_offset % 4 != 0 ||
uio->uio_resid % 4 != 0)
return (ENODEV);
sc = dev->si_drv1;
size = rman_get_size(sc->ap_reg_res);
error = 0;
if ((uio->uio_offset + uio->uio_resid < 0) ||
(uio->uio_offset + uio->uio_resid > size))
return (ENODEV);
while (uio->uio_resid > 0) {
offset = uio->uio_offset;
if (offset + sizeof(v) > size)
return (ENODEV);
v = bus_read_4(sc->ap_reg_res, offset);
error = uiomove(&v, sizeof(v), uio);
if (error)
return (error);
}
return (error);
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
/*
* If this is a memory resource, map it into the kernel.
*/
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
caddr_t vaddr = 0;
u_int32_t paddr;
u_int32_t psize;
u_int32_t poffs;
paddr = rman_get_start(r);
psize = rman_get_size(r);
poffs = paddr - trunc_page(paddr);
vaddr = (caddr_t) pmap_mapdev(paddr-poffs, psize+poffs) + poffs;
rman_set_virtual(r, vaddr);
#ifdef FDT
rman_set_bustag(r, fdtbus_bs_tag);
#else
rman_set_bustag(r, (void *)1);
#endif
rman_set_bushandle(r, (bus_space_handle_t) vaddr);
}
return (rman_activate_resource(r));
}
static int
ebus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
struct ebus_softc *sc;
struct ebus_rinfo *eri;
bus_space_tag_t bt;
bus_space_handle_t bh;
int i, rv;
sc = device_get_softc(bus);
if ((sc->sc_flags & EBUS_PCI) != 0 && type == SYS_RES_MEMORY) {
for (i = 0; i < sc->sc_nrange; i++) {
eri = &sc->sc_rinfo[i];
if (rman_is_region_manager(res, &eri->eri_rman) != 0) {
bt = rman_get_bustag(eri->eri_res);
rv = bus_space_subregion(bt,
rman_get_bushandle(eri->eri_res),
rman_get_start(res) -
rman_get_start(eri->eri_res),
rman_get_size(res), &bh);
if (rv != 0)
return (rv);
rman_set_bustag(res, bt);
rman_set_bushandle(res, bh);
return (rman_activate_resource(res));
}
}
return (EINVAL);
}
return (bus_generic_activate_resource(bus, child, type, rid, res));
}
static int
thunder_pem_activate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
int err;
bus_addr_t paddr;
bus_size_t psize;
bus_space_handle_t vaddr;
struct thunder_pem_softc *sc;
if ((err = rman_activate_resource(r)) != 0)
return (err);
sc = device_get_softc(dev);
/*
* If this is a memory resource, map it into the kernel.
*/
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
paddr = (bus_addr_t)rman_get_start(r);
psize = (bus_size_t)rman_get_size(r);
paddr = range_addr_pci_to_phys(sc->ranges, paddr);
err = bus_space_map(&memmap_bus, paddr, psize, 0, &vaddr);
if (err != 0) {
rman_deactivate_resource(r);
return (err);
}
rman_set_bustag(r, &memmap_bus);
rman_set_virtual(r, (void *)vaddr);
rman_set_bushandle(r, vaddr);
}
return (0);
}
static int
terasic_mtl_reg_write(struct cdev *dev, struct uio *uio, int flag)
{
struct terasic_mtl_softc *sc;
u_long offset, size;
uint32_t v;
int error;
if (uio->uio_offset < 0 || uio->uio_offset % 4 != 0 ||
uio->uio_resid % 4 != 0)
return (ENODEV);
sc = dev->si_drv1;
size = rman_get_size(sc->mtl_reg_res);
error = 0;
while (uio->uio_resid > 0) {
offset = uio->uio_offset;
if (offset + sizeof(v) > size)
return (ENODEV);
error = uiomove(&v, sizeof(v), uio);
if (error)
return (error);
bus_write_4(sc->mtl_reg_res, offset, v);
}
return (error);
}
static int
pci_iov_alloc_bar_ea(struct pci_devinfo *dinfo, int bar)
{
struct pcicfg_iov *iov;
rman_res_t start, end;
struct resource *res;
struct resource_list *rl;
struct resource_list_entry *rle;
rl = &dinfo->resources;
iov = dinfo->cfg.iov;
rle = resource_list_find(rl, SYS_RES_MEMORY,
iov->iov_pos + PCIR_SRIOV_BAR(bar));
if (rle == NULL)
rle = resource_list_find(rl, SYS_RES_IOPORT,
iov->iov_pos + PCIR_SRIOV_BAR(bar));
if (rle == NULL)
return (ENXIO);
res = rle->res;
iov->iov_bar[bar].res = res;
iov->iov_bar[bar].bar_size = rman_get_size(res) / iov->iov_num_vfs;
iov->iov_bar[bar].bar_shift = pci_mapsize(iov->iov_bar[bar].bar_size);
start = rman_get_start(res);
end = rman_get_end(res);
return (rman_manage_region(&iov->rman, start, end));
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
/*
* If this is a memory resource, map it into the kernel.
*/
if (rman_get_bustag(r) == I386_BUS_SPACE_MEM) {
caddr_t vaddr = 0;
if (rman_get_end(r) < 1024 * 1024) {
/*
* The first 1Mb is mapped at KERNBASE.
*/
vaddr = (caddr_t)(uintptr_t)(KERNBASE + rman_get_start(r));
} else {
u_int64_t paddr;
u_int64_t psize;
u_int32_t poffs;
paddr = rman_get_start(r);
psize = rman_get_size(r);
poffs = paddr - trunc_page(paddr);
vaddr = (caddr_t) pmap_mapdev(paddr-poffs, psize+poffs) + poffs;
}
rman_set_virtual(r, vaddr);
/* IBM-PC: the type of bus_space_handle_t is u_int */
rman_set_bushandle(r, (bus_space_handle_t) vaddr);
}
return (rman_activate_resource(r));
}
void *
vga_pci_map_bios(device_t dev, size_t *size)
{
int rid;
struct resource *res;
#if defined(__amd64__) || defined(__i386__) || defined(__ia64__)
if (vga_pci_is_boot_display(dev)) {
/*
* On x86, the System BIOS copy the default display
* device's Video BIOS at a fixed location in system
* memory (0xC0000, 128 kBytes long) at boot time.
*
* We use this copy for the default boot device, because
* the original ROM may not be valid after boot.
*/
*size = VGA_PCI_BIOS_SHADOW_SIZE;
return (pmap_mapbios(VGA_PCI_BIOS_SHADOW_ADDR, *size));
}
#endif
rid = PCIR_BIOS;
res = vga_pci_alloc_resource(dev, NULL, SYS_RES_MEMORY, &rid, 0ul,
~0ul, 1, RF_ACTIVE);
if (res == NULL) {
return (NULL);
}
*size = rman_get_size(res);
return (rman_get_virtual(res));
}
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
#ifdef PC98
bus_space_handle_t bh;
int error;
#endif
void *vaddr;
/*
* If this is a memory resource, map it into the kernel.
*/
switch (type) {
case SYS_RES_IOPORT:
#ifdef PC98
error = i386_bus_space_handle_alloc(X86_BUS_SPACE_IO,
rman_get_start(r), rman_get_size(r), &bh);
if (error)
return (error);
rman_set_bushandle(r, bh);
#else
rman_set_bushandle(r, rman_get_start(r));
#endif
rman_set_bustag(r, X86_BUS_SPACE_IO);
break;
case SYS_RES_MEMORY:
#ifdef PC98
error = i386_bus_space_handle_alloc(X86_BUS_SPACE_MEM,
rman_get_start(r), rman_get_size(r), &bh);
if (error)
return (error);
#endif
vaddr = pmap_mapdev(rman_get_start(r), rman_get_size(r));
rman_set_virtual(r, vaddr);
rman_set_bustag(r, X86_BUS_SPACE_MEM);
#ifdef PC98
/* PC-98: the type of bus_space_handle_t is the structure. */
bh->bsh_base = (bus_addr_t) vaddr;
rman_set_bushandle(r, bh);
#else
/* IBM-PC: the type of bus_space_handle_t is u_int */
rman_set_bushandle(r, (bus_space_handle_t) vaddr);
#endif
}
return (rman_activate_resource(r));
}
static int
dwc_otg_attach(device_t dev)
{
struct dwc_otg_super_softc *sc = device_get_softc(dev);
int err;
int rid;
/* initialise some bus fields */
sc->sc_otg.sc_bus.parent = dev;
sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices;
sc->sc_otg.sc_bus.devices_max = DWC_OTG_MAX_DEVICES;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
return (ENOMEM);
}
rid = 0;
sc->sc_otg.sc_io_res =
bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (!(sc->sc_otg.sc_io_res)) {
err = ENOMEM;
goto error;
}
sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
sc->sc_otg.sc_io_size = rman_get_size(sc->sc_otg.sc_io_res);
rid = 0;
sc->sc_otg.sc_irq_res =
bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
if (sc->sc_otg.sc_irq_res == NULL)
goto error;
sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (sc->sc_otg.sc_bus.bdev == NULL)
goto error;
device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)dwc_otg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
if (err) {
sc->sc_otg.sc_intr_hdl = NULL;
goto error;
}
err = dwc_otg_init(&sc->sc_otg);
if (err == 0) {
err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
}
if (err)
goto error;
return (0);
error:
dwc_otg_detach(dev);
return (ENXIO);
}
int
scc_bfe_probe(device_t dev, u_int regshft, u_int rclk, u_int rid)
{
struct scc_softc *sc;
struct scc_class *cl;
u_long size, sz;
int error;
/*
* Initialize the instance. Note that the instance (=softc) does
* not necessarily match the hardware specific softc. We can't do
* anything about it now, because we may not attach to the device.
* Hardware drivers cannot use any of the class specific fields
* while probing.
*/
sc = device_get_softc(dev);
cl = sc->sc_class;
kobj_init((kobj_t)sc, (kobj_class_t)cl);
sc->sc_dev = dev;
if (device_get_desc(dev) == NULL)
device_set_desc(dev, cl->name);
size = abs(cl->cl_range) << regshft;
/*
* Allocate the register resource. We assume that all SCCs have a
* single register window in either I/O port space or memory mapped
* I/O space. Any SCC that needs multiple windows will consequently
* not be supported by this driver as-is.
*/
sc->sc_rrid = rid;
sc->sc_rtype = SYS_RES_MEMORY;
sc->sc_rres = bus_alloc_resource(dev, sc->sc_rtype, &sc->sc_rrid,
0, ~0, cl->cl_channels * size, RF_ACTIVE);
if (sc->sc_rres == NULL) {
sc->sc_rrid = rid;
sc->sc_rtype = SYS_RES_IOPORT;
sc->sc_rres = bus_alloc_resource(dev, sc->sc_rtype,
&sc->sc_rrid, 0, ~0, cl->cl_channels * size, RF_ACTIVE);
if (sc->sc_rres == NULL)
return (ENXIO);
}
/*
* Fill in the bus access structure and call the hardware specific
* probe method.
*/
sz = (size != 0) ? size : rman_get_size(sc->sc_rres);
sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);
sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);
sc->sc_bas.range = sz;
sc->sc_bas.rclk = rclk;
sc->sc_bas.regshft = regshft;
error = SCC_PROBE(sc);
bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);
return ((error == 0) ? BUS_PROBE_DEFAULT : error);
}
static int
xenpv_free_physmem(device_t dev, device_t child, int res_id, struct resource *res)
{
vm_paddr_t phys_addr;
size_t size;
phys_addr = rman_get_start(res);
size = rman_get_size(res);
vm_phys_fictitious_unreg_range(phys_addr, phys_addr + size);
return (bus_release_resource(child, SYS_RES_MEMORY, res_id, res));
}
static int
nexus_deactivate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
vm_offset_t va;
if (type == SYS_RES_MEMORY) {
va = (vm_offset_t)rman_get_virtual(r);
pmap_unmapdev(va, rman_get_size(r));
}
return (rman_deactivate_resource(r));
}
/**
* Retain an RF_ACTIVE reference to the region mapping @p r, and
* configure @p r with its subregion values.
*
* @param sc Driver instance state.
* @param child Requesting child device.
* @param type resource type of @p r.
* @param rid resource id of @p r
* @param r resource to be activated.
* @param req_direct If true, failure to allocate a direct bhnd resource
* will be treated as an error. If false, the resource will not be marked
* as RF_ACTIVE if bhnd direct resource allocation fails.
*/
static int
chipc_try_activate_resource(struct chipc_softc *sc, device_t child, int type,
int rid, struct resource *r, bool req_direct)
{
struct rman *rm;
struct chipc_region *cr;
bhnd_size_t cr_offset;
rman_res_t r_start, r_end, r_size;
int error;
rm = chipc_get_rman(sc, type);
if (rm == NULL || !rman_is_region_manager(r, rm))
return (EINVAL);
r_start = rman_get_start(r);
r_end = rman_get_end(r);
r_size = rman_get_size(r);
/* Find the corresponding chipc region */
cr = chipc_find_region(sc, r_start, r_end);
if (cr == NULL)
return (EINVAL);
/* Calculate subregion offset within the chipc region */
cr_offset = r_start - cr->cr_addr;
/* Retain (and activate, if necessary) the chipc region */
if ((error = chipc_retain_region(sc, cr, RF_ACTIVE)))
return (error);
/* Configure child resource with its subregion values. */
if (cr->cr_res->direct) {
error = chipc_init_child_resource(r, cr->cr_res->res,
cr_offset, r_size);
if (error)
goto cleanup;
/* Mark active */
if ((error = rman_activate_resource(r)))
goto cleanup;
} else if (req_direct) {
error = ENOMEM;
goto cleanup;
}
return (0);
cleanup:
chipc_release_region(sc, cr, RF_ACTIVE);
return (error);
}
static int
grackle_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
struct grackle_softc *sc;
void *p;
sc = device_get_softc(bus);
if (type == SYS_RES_IRQ) {
return (bus_activate_resource(bus, type, rid, res));
}
if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
vm_offset_t start;
start = (vm_offset_t)rman_get_start(res);
/*
* For i/o-ports, convert the start address to the
* MPC106 PCI i/o window
*/
if (type == SYS_RES_IOPORT)
start += sc->sc_iostart;
if (bootverbose)
printf("grackle mapdev: start %zx, len %ld\n", start,
rman_get_size(res));
p = pmap_mapdev(start, (vm_size_t)rman_get_size(res));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(res, p);
rman_set_bustag(res, &bs_le_tag);
rman_set_bushandle(res, (u_long)p);
}
return (rman_activate_resource(res));
}
static int
nexus_activate_resource(device_t bus __unused, device_t child __unused,
int type, int rid __unused, struct resource *r)
{
if (type == SYS_RES_MEMORY) {
vm_offset_t start;
void *p;
start = (vm_offset_t) rman_get_start(r);
if (bootverbose)
printf("nexus mapdev: start %zx, len %ld\n", start,
rman_get_size(r));
p = pmap_mapdev(start, (vm_size_t) rman_get_size(r));
if (p == NULL)
return (ENOMEM);
rman_set_virtual(r, p);
rman_set_bustag(r, &bs_be_tag);
rman_set_bushandle(r, (u_long)p);
}
return (rman_activate_resource(r));
}
static int
nexus_deactivate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
/*
* If this is a memory resource, unmap it.
*/
if (type == SYS_RES_MEMORY) {
pmap_unmapdev((vm_offset_t)rman_get_virtual(r),
rman_get_size(r));
}
return (rman_deactivate_resource(r));
}
static struct resource *
at91_alloc_resource(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct at91_softc *sc = device_get_softc(dev);
struct resource_list_entry *rle;
struct at91_ivar *ivar = device_get_ivars(child);
struct resource_list *rl = &ivar->resources;
bus_space_handle_t bsh;
if (device_get_parent(child) != dev)
return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
type, rid, start, end, count, flags));
rle = resource_list_find(rl, type, *rid);
if (rle == NULL)
return (NULL);
if (rle->res)
panic("Resource rid %d type %d already in use", *rid, type);
if (start == 0UL && end == ~0UL) {
start = rle->start;
count = ulmax(count, rle->count);
end = ulmax(rle->end, start + count - 1);
}
switch (type)
{
case SYS_RES_IRQ:
rle->res = rman_reserve_resource(&sc->sc_irq_rman,
start, end, count, flags, child);
break;
case SYS_RES_MEMORY:
rle->res = rman_reserve_resource(&sc->sc_mem_rman,
start, end, count, flags, child);
if (rle->res != NULL) {
bus_space_map(&at91_bs_tag, start,
rman_get_size(rle->res), 0, &bsh);
rman_set_bustag(rle->res, &at91_bs_tag);
rman_set_bushandle(rle->res, bsh);
}
break;
}
if (rle->res) {
rle->start = rman_get_start(rle->res);
rle->end = rman_get_end(rle->res);
rle->count = count;
rman_set_rid(rle->res, *rid);
}
return (rle->res);
}
static int
pxa_smi_activate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct pxa_smi_softc *sc;
sc = (struct pxa_smi_softc *)device_get_softc(dev);
if (type == SYS_RES_IRQ)
return (bus_activate_resource(dev, SYS_RES_IRQ, rid, r));
rman_set_bushandle(r, (bus_space_handle_t)pmap_mapdev(rman_get_start(r),
rman_get_size(r)));
return (rman_activate_resource(r));
}
