/*
* Detach the driver from the hardware and other systems in the kernel.
*/
int
ed_detach(device_t dev)
{
struct ed_softc *sc = device_get_softc(dev);
struct ifnet *ifp = sc->ifp;
if (mtx_initialized(ED_MUTEX(sc)))
ED_ASSERT_UNLOCKED(sc);
if (ifp) {
ED_LOCK(sc);
if (bus_child_present(dev))
ed_stop(sc);
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
ED_UNLOCK(sc);
ether_ifdetach(ifp);
callout_drain(&sc->tick_ch);
}
if (sc->irq_res != NULL && sc->irq_handle)
bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
ed_release_resources(dev);
if (sc->miibus)
device_delete_child(dev, sc->miibus);
if (mtx_initialized(ED_MUTEX(sc)))
ED_LOCK_DESTROY(sc);
bus_generic_detach(dev);
return (0);
}
static void
free_tid_tabs(struct tid_info *t)
{
if (mtx_initialized(&t->stid_lock))
mtx_destroy(&t->stid_lock);
if (mtx_initialized(&t->atid_lock))
mtx_destroy(&t->atid_lock);
free(t->tid_tab, M_CXGB);
}
void
platform_late_init(void)
{
bus_addr_t reg_baddr;
uint32_t val;
if (!mtx_initialized(&al_dbg_lock))
mtx_init(&al_dbg_lock, "ALDBG", "ALDBG", MTX_SPIN);
/* configure system fabric */
if (bus_space_map(fdtbus_bs_tag, al_devmap_pa, al_devmap_size, 0,
®_baddr))
panic("Couldn't map Register Space area");
/* do not allow reads to bypass writes to different addresses */
val = bus_space_read_4(fdtbus_bs_tag, reg_baddr,
AL_NB_SERVICE_OFFSET + AL_NB_ACF_MISC_OFFSET);
val &= ~AL_NB_ACF_MISC_READ_BYPASS;
bus_space_write_4(fdtbus_bs_tag, reg_baddr,
AL_NB_SERVICE_OFFSET + AL_NB_ACF_MISC_OFFSET, val);
/* enable cache snoop */
bus_space_write_4(fdtbus_bs_tag, reg_baddr,
AL_NB_CCU_OFFSET + AL_CCU_SNOOP_CONTROL_IOFAB_0_OFFSET, 1);
bus_space_write_4(fdtbus_bs_tag, reg_baddr,
AL_NB_CCU_OFFSET + AL_CCU_SNOOP_CONTROL_IOFAB_1_OFFSET, 1);
/* disable speculative fetches from masters */
bus_space_write_4(fdtbus_bs_tag, reg_baddr,
AL_NB_CCU_OFFSET + AL_CCU_SPECULATION_CONTROL_OFFSET, 7);
bus_space_unmap(fdtbus_bs_tag, reg_baddr, al_devmap_size);
}
/* clean up so we can unload the driver. */
int ips_adapter_free(ips_softc_t *sc)
{
int error = 0;
intrmask_t mask;
if(sc->state & IPS_DEV_OPEN)
return EBUSY;
if((error = ips_diskdev_free(sc)))
return error;
if(ips_cmdqueue_free(sc)){
device_printf(sc->dev,
"trying to exit when command queue is not empty!\n");
return EBUSY;
}
DEVICE_PRINTF(1, sc->dev, "free\n");
mask = splbio();
untimeout(ips_timeout, sc, sc->timer);
splx(mask);
if (mtx_initialized(&sc->cmd_mtx))
mtx_destroy(&sc->cmd_mtx);
if(sc->sg_dmatag)
bus_dma_tag_destroy(sc->sg_dmatag);
if(sc->command_dmatag)
bus_dma_tag_destroy(sc->command_dmatag);
if(sc->device_file)
destroy_dev(sc->device_file);
return 0;
}
/**
* ti_gpio_detach - detach function for the driver
* @dev: scm device handle
*
* Allocates and sets up the driver context, this simply entails creating a
* bus mappings for the SCM register set.
*
* LOCKING:
* None
*
* RETURNS:
* Always returns 0
*/
static int
ti_gpio_detach(device_t dev)
{
struct ti_gpio_softc *sc = device_get_softc(dev);
unsigned int i;
KASSERT(mtx_initialized(&sc->sc_mtx), ("gpio mutex not initialized"));
/* Disable all interrupts */
for (i = 0; i < MAX_GPIO_BANKS; i++) {
if (sc->sc_mem_res[i] != NULL) {
ti_gpio_write_4(sc, i, TI_GPIO_CLEARIRQENABLE1, 0xffffffff);
ti_gpio_write_4(sc, i, TI_GPIO_CLEARIRQENABLE2, 0xffffffff);
}
}
bus_generic_detach(dev);
/* Release the memory and IRQ resources */
for (i = 0; i < MAX_GPIO_BANKS; i++) {
if (sc->sc_mem_res[i] != NULL)
bus_release_resource(dev, SYS_RES_MEMORY, i, sc->sc_mem_res[i]);
if (sc->sc_irq_res[i] != NULL)
bus_release_resource(dev, SYS_RES_IRQ, i, sc->sc_irq_res[i]);
}
TI_GPIO_LOCK_DESTROY(sc);
return (0);
}
/**
* ti_gpio_detach - detach function for the driver
* @dev: scm device handle
*
* Allocates and sets up the driver context, this simply entails creating a
* bus mappings for the SCM register set.
*
* LOCKING:
* None
*
* RETURNS:
* Always returns 0
*/
static int
ti_gpio_detach(device_t dev)
{
struct ti_gpio_softc *sc = device_get_softc(dev);
unsigned int i;
KASSERT(mtx_initialized(&sc->sc_mtx), ("gpio mutex not initialized"));
/* Disable all interrupts */
for (i = 0; i < MAX_GPIO_BANKS; i++) {
if (sc->sc_mem_res[i] != NULL)
ti_gpio_intr_clr(sc, i, 0xffffffff);
}
bus_generic_detach(dev);
/* Release the memory and IRQ resources. */
ti_gpio_detach_intr(dev);
bus_release_resources(dev, ti_gpio_irq_spec, sc->sc_irq_res);
bus_release_resources(dev, ti_gpio_mem_spec, sc->sc_mem_res);
TI_GPIO_LOCK_DESTROY(sc);
return (0);
}
/**
* ti_gpio_detach - detach function for the driver
* @dev: scm device handle
*
* Allocates and sets up the driver context, this simply entails creating a
* bus mappings for the SCM register set.
*
* LOCKING:
* None
*
* RETURNS:
* Always returns 0
*/
static int
ti_gpio_detach(device_t dev)
{
struct ti_gpio_softc *sc = device_get_softc(dev);
KASSERT(mtx_initialized(&sc->sc_mtx), ("gpio mutex not initialized"));
/* Disable all interrupts */
if (sc->sc_mem_res != NULL)
ti_gpio_intr_clr(sc, 0xffffffff);
gpiobus_detach_bus(dev);
if (sc->sc_isrcs != NULL)
ti_gpio_pic_detach(sc);
/* Release the memory and IRQ resources. */
if (sc->sc_irq_hdl) {
bus_teardown_intr(dev, sc->sc_irq_res,
sc->sc_irq_hdl);
}
bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irq_rid,
sc->sc_irq_res);
bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_mem_rid,
sc->sc_mem_res);
TI_GPIO_LOCK_DESTROY(sc);
return (0);
}
/* --------------------------------------------------------------------------
*
* Bus
*
*/
static int
tegra_gpio_detach(device_t dev)
{
struct tegra_gpio_softc *sc;
int i;
sc = device_get_softc(dev);
KASSERT(mtx_initialized(&sc->mtx), ("gpio mutex not initialized"));
for (i = 0; i < GPIO_NUM_BANKS; i++) {
if (sc->irq_ih[i] != NULL)
bus_teardown_intr(dev, sc->irq_res[i], sc->irq_ih[i]);
}
if (sc->isrcs != NULL)
tegra_gpio_pic_detach(sc);
gpiobus_detach_bus(dev);
for (i = 0; i < GPIO_NUM_BANKS; i++) {
if (sc->irq_res[i] != NULL)
bus_release_resource(dev, SYS_RES_IRQ, 0,
sc->irq_res[i]);
}
if (sc->mem_res != NULL)
bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res);
GPIO_LOCK_DESTROY(sc);
return(0);
}
static void
ofw_real_bounce_alloc(void *junk)
{
/*
* Check that ofw_real is actually in use before allocating wads
* of memory. Do this by checking if our mutex has been set up.
*/
if (!mtx_initialized(&of_bounce_mtx))
return;
/*
* Allocate a page of contiguous, wired physical memory that can
* fit into a 32-bit address space and accessed from real mode.
*/
mtx_lock(&of_bounce_mtx);
of_bounce_virt = contigmalloc(4 * PAGE_SIZE, M_OFWREAL, 0, 0,
ulmin(platform_real_maxaddr(), BUS_SPACE_MAXADDR_32BIT), PAGE_SIZE,
4 * PAGE_SIZE);
of_bounce_phys = vtophys(of_bounce_virt);
of_bounce_size = 4 * PAGE_SIZE;
/*
* For virtual-mode OF, direct map this physical address so that
* we have a 32-bit virtual address to give OF.
*/
if (!ofw_real_mode && !hw_direct_map)
pmap_kenter(of_bounce_phys, of_bounce_phys);
mtx_unlock(&of_bounce_mtx);
}
void
pdq_free (device_t dev)
{
pdq_softc_t *sc;
sc = device_get_softc(dev);
if (sc->io)
bus_release_resource(dev, sc->io_type, sc->io_rid, sc->io);
if (sc->mem)
bus_release_resource(dev, sc->mem_type, sc->mem_rid, sc->mem);
if (sc->irq_ih)
bus_teardown_intr(dev, sc->irq, sc->irq_ih);
if (sc->irq)
bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
if (sc->ifp)
if_free(sc->ifp);
/*
* Destroy the mutex.
*/
if (mtx_initialized(&sc->mtx) != 0) {
mtx_destroy(&sc->mtx);
}
return;
}
/*
* Since this is not a self-enumerating bus, and since we always add
* children in attach, we have to always delete children here.
*/
static int
gpiobus_detach(device_t dev)
{
struct gpiobus_softc *sc;
struct gpiobus_ivar *devi;
device_t *devlist;
int i, err, ndevs;
sc = GPIOBUS_SOFTC(dev);
KASSERT(mtx_initialized(&sc->sc_mtx),
("gpiobus mutex not initialized"));
GPIOBUS_LOCK_DESTROY(sc);
if ((err = bus_generic_detach(dev)) != 0)
return (err);
if ((err = device_get_children(dev, &devlist, &ndevs)) != 0)
return (err);
for (i = 0; i < ndevs; i++) {
device_delete_child(dev, devlist[i]);
devi = GPIOBUS_IVAR(devlist[i]);
if (devi->pins) {
free(devi->pins, M_DEVBUF);
devi->pins = NULL;
}
}
free(devlist, M_TEMP);
if (sc->sc_pins_mapped) {
free(sc->sc_pins_mapped, M_DEVBUF);
sc->sc_pins_mapped = NULL;
}
return (0);
}
void
qlnx_rdma_deinit(void)
{
if (mtx_initialized(&qlnx_rdma_dev_lock) && (qlnx_host_list == NULL)) {
mtx_destroy(&qlnx_rdma_dev_lock);
}
return;
}
void
qlnx_rdma_init(void)
{
if (!mtx_initialized(&qlnx_rdma_dev_lock)) {
mtx_init(&qlnx_rdma_dev_lock, "qlnx_rdma_dev_lock", NULL, MTX_DEF);
}
return;
}
static int
kr_detach(device_t dev)
{
struct kr_softc *sc = device_get_softc(dev);
struct ifnet *ifp = sc->kr_ifp;
KASSERT(mtx_initialized(&sc->kr_mtx), ("vr mutex not initialized"));
/* These should only be active if attach succeeded */
if (device_is_attached(dev)) {
KR_LOCK(sc);
sc->kr_detach = 1;
kr_stop(sc);
KR_UNLOCK(sc);
taskqueue_drain(taskqueue_swi, &sc->kr_link_task);
ether_ifdetach(ifp);
}
if (sc->kr_miibus)
device_delete_child(dev, sc->kr_miibus);
bus_generic_detach(dev);
if (sc->kr_rx_intrhand)
bus_teardown_intr(dev, sc->kr_rx_irq, sc->kr_rx_intrhand);
if (sc->kr_rx_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_rx_irq);
if (sc->kr_tx_intrhand)
bus_teardown_intr(dev, sc->kr_tx_irq, sc->kr_tx_intrhand);
if (sc->kr_tx_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_tx_irq);
if (sc->kr_rx_und_intrhand)
bus_teardown_intr(dev, sc->kr_rx_und_irq,
sc->kr_rx_und_intrhand);
if (sc->kr_rx_und_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_rx_und_irq);
if (sc->kr_tx_ovr_intrhand)
bus_teardown_intr(dev, sc->kr_tx_ovr_irq,
sc->kr_tx_ovr_intrhand);
if (sc->kr_tx_ovr_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_tx_ovr_irq);
if (sc->kr_res)
bus_release_resource(dev, SYS_RES_MEMORY, sc->kr_rid,
sc->kr_res);
if (ifp)
if_free(ifp);
kr_dma_free(sc);
mtx_destroy(&sc->kr_mtx);
return (0);
}
static void
free_tom_data(struct tom_data *td)
{
KASSERT(TAILQ_EMPTY(&td->toep_list),
("%s: toep_list not empty", __func__));
if (td->listen_mask != 0)
hashdestroy(td->listen_hash, M_CXGB, td->listen_mask);
if (mtx_initialized(&td->toep_list_lock))
mtx_destroy(&td->toep_list_lock);
if (mtx_initialized(&td->lctx_hash_lock))
mtx_destroy(&td->lctx_hash_lock);
if (mtx_initialized(&td->tid_release_lock))
mtx_destroy(&td->tid_release_lock);
if (td->l2t)
t3_free_l2t(td->l2t);
free_tid_tabs(&td->tid_maps);
free(td, M_CXGB);
}
void
alpine_serdes_eth_group_unlock(uint32_t group)
{
struct alpine_serdes_eth_group_mode *group_mode;
group_mode = &alpine_serdes_eth_group_mode[group];
if (mtx_initialized(&group_mode->lock) == 0)
return;
mtx_unlock(&group_mode->lock);
}
static int
cambria_gpio_detach(device_t dev)
{
struct cambria_gpio_softc *sc = device_get_softc(dev);
KASSERT(mtx_initialized(&sc->sc_mtx), ("gpio mutex not initialized"));
bus_generic_detach(dev);
mtx_destroy(&sc->sc_mtx);
return(0);
}
int
mc146818_attach(device_t dev)
{
struct mc146818_softc *sc;
sc = device_get_softc(dev);
if (mtx_initialized(&sc->sc_mtx) == 0) {
device_printf(dev, "%s: mutex not initialized\n", __func__);
return (ENXIO);
}
if (sc->sc_mcread == NULL)
sc->sc_mcread = mc146818_def_read;
if (sc->sc_mcwrite == NULL)
sc->sc_mcwrite = mc146818_def_write;
if (sc->sc_flag & MC146818_NO_CENT_ADJUST) {
/*
* Note that setting MC146818_NO_CENT_ADJUST means that
* the century has to be stored in NVRAM somewhere.
*/
if (sc->sc_getcent == NULL)
sc->sc_getcent = mc146818_def_getcent;
if (sc->sc_setcent == NULL)
sc->sc_setcent = mc146818_def_setcent;
}
mtx_lock_spin(&sc->sc_mtx);
if (!(*sc->sc_mcread)(dev, MC_REGD) & MC_REGD_VRT) {
mtx_unlock_spin(&sc->sc_mtx);
device_printf(dev, "%s: battery low\n", __func__);
return (ENXIO);
}
sc->sc_rega = MC_BASE_32_KHz;
(*sc->sc_mcwrite)(dev, MC_REGA, sc->sc_rega);
sc->sc_regb = 0;
sc->sc_regb |= (sc->sc_flag & MC146818_BCD) ? 0 : MC_REGB_BINARY;
sc->sc_regb |= (sc->sc_flag & MC146818_12HR) ? 0 : MC_REGB_24HR;
(*sc->sc_mcwrite)(dev, MC_REGB, sc->sc_regb);
mtx_unlock_spin(&sc->sc_mtx);
clock_register(dev, 1000000); /* 1 second resolution. */
return (0);
}
int
qlnx_rdma_deregister_if(qlnx_rdma_if_t *rdma_if)
{
int ret = 0;
qlnx_host_t *ha;
printf("%s: enter rdma_if = %p\n", __func__, rdma_if);
if (mtx_initialized(&qlnx_rdma_dev_lock)) {
mtx_lock(&qlnx_rdma_dev_lock);
ha = qlnx_host_list;
while (ha != NULL) {
mtx_unlock(&qlnx_rdma_dev_lock);
if (ha->dbg_level & 0xF000)
ret = EBUSY;
else
ret = _qlnx_rdma_dev_remove(ha);
device_printf(ha->pci_dev, "%s [%d]: ret = 0x%x\n",
__func__, __LINE__, ret);
if (ret)
return (ret);
mtx_lock(&qlnx_rdma_dev_lock);
ha->qlnx_rdma = NULL;
ha = ha->next;
}
if (!ret)
qlnx_rdma_if = NULL;
mtx_unlock(&qlnx_rdma_dev_lock);
}
printf("%s: exit rdma_if = %p\n", __func__, rdma_if);
return (ret);
}
static int
octeon_gpio_detach(device_t dev)
{
struct octeon_gpio_softc *sc = device_get_softc(dev);
int i;
KASSERT(mtx_initialized(&sc->gpio_mtx), ("gpio mutex not initialized"));
for ( i = 0; i < OCTEON_GPIO_IRQS; i++) {
bus_release_resource(dev, SYS_RES_IRQ,
sc->gpio_irq_rid[i], sc->gpio_irq_res[i]);
}
bus_generic_detach(dev);
mtx_destroy(&sc->gpio_mtx);
return(0);
}
void
scd_release_resources (device_t dev)
{
struct scd_softc * sc;
sc = device_get_softc(dev);
if (sc->port) {
bus_release_resource(dev, sc->port_type, sc->port_rid, sc->port);
sc->port_bst = 0;
sc->port_bsh = 0;
}
if (mtx_initialized(&sc->mtx) != 0)
mtx_destroy(&sc->mtx);
return;
}
/*---------------------------------------------------------------------------*
* interface attach routine
*---------------------------------------------------------------------------*/
static void
i4btrcattach(void *dummy)
{
int i;
printf("i4btrc: %d ISDN trace device(s) attached\n", NI4BTRC);
for(i=0; i < NI4BTRC; i++)
{
make_dev(&i4btrc_cdevsw, i,
UID_ROOT, GID_WHEEL, 0600, "i4btrc%d", i);
trace_queue[i].ifq_maxlen = IFQ_MAXLEN;
if(!mtx_initialized(&trace_queue[i].ifq_mtx))
mtx_init(&trace_queue[i].ifq_mtx, "i4b_trace", NULL, MTX_DEF);
device_state[i] = ST_IDLE;
}
}
static int
ar71xx_gpio_detach(device_t dev)
{
struct ar71xx_gpio_softc *sc = device_get_softc(dev);
KASSERT(mtx_initialized(&sc->gpio_mtx), ("gpio mutex not initialized"));
ar71xx_gpio_function_disable(sc, GPIO_FUNC_SPI_CS1_EN);
ar71xx_gpio_function_disable(sc, GPIO_FUNC_SPI_CS2_EN);
bus_generic_detach(dev);
if (sc->gpio_mem_res)
bus_release_resource(dev, SYS_RES_MEMORY, sc->gpio_mem_rid,
sc->gpio_mem_res);
mtx_destroy(&sc->gpio_mtx);
return(0);
}
static int
tegra_gpio_detach(device_t dev)
{
struct tegra_gpio_softc *sc;
sc = device_get_softc(dev);
KASSERT(mtx_initialized(&sc->sc_mtx), ("gpio mutex not initialized"));
gpiobus_detach_bus(dev);
if (sc->gpio_ih != NULL)
bus_teardown_intr(dev, sc->irq_res, sc->gpio_ih);
if (sc->irq_res != NULL)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
if (sc->mem_res != NULL)
bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res);
mtx_destroy(&sc->sc_mtx);
return(0);
}
/*
* Since this is not a self-enumerating bus, and since we always add
* children in attach, we have to always delete children here.
*/
static int
gpiobus_detach(device_t dev)
{
struct gpiobus_softc *sc;
struct gpiobus_ivar *devi;
device_t *devlist;
int i, err, ndevs;
sc = GPIOBUS_SOFTC(dev);
KASSERT(mtx_initialized(&sc->sc_mtx),
("gpiobus mutex not initialized"));
GPIOBUS_LOCK_DESTROY(sc);
if ((err = bus_generic_detach(dev)) != 0)
return (err);
if ((err = device_get_children(dev, &devlist, &ndevs)) != 0)
return (err);
for (i = 0; i < ndevs; i++) {
devi = GPIOBUS_IVAR(devlist[i]);
gpiobus_free_ivars(devi);
resource_list_free(&devi->rl);
free(devi, M_DEVBUF);
device_delete_child(dev, devlist[i]);
}
free(devlist, M_TEMP);
rman_fini(&sc->sc_intr_rman);
if (sc->sc_pins) {
for (i = 0; i < sc->sc_npins; i++) {
if (sc->sc_pins[i].name != NULL)
free(sc->sc_pins[i].name, M_DEVBUF);
sc->sc_pins[i].name = NULL;
}
free(sc->sc_pins, M_DEVBUF);
sc->sc_pins = NULL;
}
return (0);
}
int
ds1553_attach(device_t dev)
{
struct ds1553_softc *sc;
uint8_t sec, flags;
sc = device_get_softc(dev);
if (mtx_initialized(&sc->sc_mtx) == 0) {
device_printf(dev, "%s: mutex not initialized\n", __func__);
return (ENXIO);
}
if (sc->sc_read == NULL)
sc->sc_read = ds1553_direct_read;
if (sc->sc_write == NULL)
sc->sc_write = ds1553_direct_write;
sc->year_offset = POSIX_BASE_YEAR;
mtx_lock_spin(&sc->sc_mtx);
/* Turn RTC on if it was not on */
sec = (*sc->sc_read)(dev, DS1553_OFF_SECONDS);
if (sec & DS1553_BIT_OSC) {
sec &= ~(DS1553_BIT_OSC);
(*sc->sc_write)(dev, DS1553_OFF_SECONDS, sec);
}
/* Low-battery check */
flags = (*sc->sc_read)(dev, DS1553_OFF_FLAGS);
if (flags & DS1553_BIT_BLF)
device_printf(dev, "voltage-low detected.\n");
mtx_unlock_spin(&sc->sc_mtx);
return (0);
}
int
qlnx_rdma_register_if(qlnx_rdma_if_t *rdma_if)
{
qlnx_host_t *ha;
if (mtx_initialized(&qlnx_rdma_dev_lock)) {
mtx_lock(&qlnx_rdma_dev_lock);
qlnx_rdma_if = rdma_if;
ha = qlnx_host_list;
while (ha != NULL) {
_qlnx_rdma_dev_add(ha);
ha = ha->next;
}
mtx_unlock(&qlnx_rdma_dev_lock);
return (0);
}
return (-1);
}
static void
mcd_release_resources (device_t dev)
{
struct mcd_softc * sc;
sc = device_get_softc(dev);
if (sc->irq_ih)
bus_teardown_intr(dev, sc->irq, sc->irq_ih);
if (sc->port) {
bus_release_resource(dev, sc->port_type, sc->port_rid, sc->port);
sc->port_bst = 0;
sc->port_bsh = 0;
}
if (sc->irq)
bus_release_resource(dev, sc->irq_type, sc->irq_rid, sc->irq);
if (sc->drq)
bus_release_resource(dev, sc->drq_type, sc->drq_rid, sc->drq);
if (mtx_initialized(&sc->mtx) != 0)
mtx_destroy(&sc->mtx);
return;
}
int
smc_detach(device_t dev)
{
int type;
struct smc_softc *sc;
sc = device_get_softc(dev);
SMC_LOCK(sc);
smc_stop(sc);
SMC_UNLOCK(sc);
if (sc->smc_ifp != NULL) {
ether_ifdetach(sc->smc_ifp);
}
callout_drain(&sc->smc_watchdog);
callout_drain(&sc->smc_mii_tick_ch);
#ifdef DEVICE_POLLING
if (sc->smc_ifp->if_capenable & IFCAP_POLLING)
ether_poll_deregister(sc->smc_ifp);
#endif
if (sc->smc_ih != NULL)
bus_teardown_intr(sc->smc_dev, sc->smc_irq, sc->smc_ih);
if (sc->smc_tq != NULL) {
taskqueue_drain(sc->smc_tq, &sc->smc_intr);
taskqueue_drain(sc->smc_tq, &sc->smc_rx);
taskqueue_drain(sc->smc_tq, &sc->smc_tx);
taskqueue_free(sc->smc_tq);
sc->smc_tq = NULL;
}
if (sc->smc_ifp != NULL) {
if_free(sc->smc_ifp);
}
if (sc->smc_miibus != NULL) {
device_delete_child(sc->smc_dev, sc->smc_miibus);
bus_generic_detach(sc->smc_dev);
}
if (sc->smc_reg != NULL) {
type = SYS_RES_IOPORT;
if (sc->smc_usemem)
type = SYS_RES_MEMORY;
bus_release_resource(sc->smc_dev, type, sc->smc_reg_rid,
sc->smc_reg);
}
if (sc->smc_irq != NULL)
bus_release_resource(sc->smc_dev, SYS_RES_IRQ, sc->smc_irq_rid,
sc->smc_irq);
if (mtx_initialized(&sc->smc_mtx))
mtx_destroy(&sc->smc_mtx);
return (0);
}
/*---------------------------------------------------------------------------*
* initialize one B channels rx/tx data structures and init/deinit HSCX
*---------------------------------------------------------------------------*/
void
isic_bchannel_setup(int unit, int h_chan, int bprot, int activate)
{
struct l1_softc *sc = &l1_sc[unit];
l1_bchan_state_t *chan = &sc->sc_chan[h_chan];
int s = SPLI4B();
if(activate == 0)
{
/* deactivation */
isic_hscx_init(sc, h_chan, activate);
}
NDBGL1(L1_BCHAN, "unit=%d, channel=%d, %s",
sc->sc_unit, h_chan, activate ? "activate" : "deactivate");
/* general part */
chan->unit = sc->sc_unit; /* unit number */
chan->channel = h_chan; /* B channel */
chan->bprot = bprot; /* B channel protocol */
chan->state = HSCX_IDLE; /* B channel state */
/* receiver part */
chan->rx_queue.ifq_maxlen = IFQ_MAXLEN;
if(!mtx_initialized(&chan->rx_queue.ifq_mtx))
mtx_init(&chan->rx_queue.ifq_mtx, "i4b_isic_rx", NULL, MTX_DEF);
i4b_Bcleanifq(&chan->rx_queue); /* clean rx queue */
chan->rxcount = 0; /* reset rx counter */
i4b_Bfreembuf(chan->in_mbuf); /* clean rx mbuf */
chan->in_mbuf = NULL; /* reset mbuf ptr */
chan->in_cbptr = NULL; /* reset mbuf curr ptr */
chan->in_len = 0; /* reset mbuf data len */
/* transmitter part */
chan->tx_queue.ifq_maxlen = IFQ_MAXLEN;
if(!mtx_initialized(&chan->tx_queue.ifq_mtx))
mtx_init(&chan->tx_queue.ifq_mtx, "i4b_isic_tx", NULL, MTX_DEF);
i4b_Bcleanifq(&chan->tx_queue); /* clean tx queue */
chan->txcount = 0; /* reset tx counter */
i4b_Bfreembuf(chan->out_mbuf_head); /* clean tx mbuf */
chan->out_mbuf_head = NULL; /* reset head mbuf ptr */
chan->out_mbuf_cur = NULL; /* reset current mbuf ptr */
chan->out_mbuf_cur_ptr = NULL; /* reset current mbuf data ptr */
chan->out_mbuf_cur_len = 0; /* reset current mbuf data cnt */
if(activate != 0)
{
/* activation */
isic_hscx_init(sc, h_chan, activate);
}
splx(s);
}
