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sys/dev/usb/controller/dwc3.c

/*- /*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
* *
* Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.Org> * Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.Org>
* Copyright (c) 2021-2022 Bjoern A. Zeeb <bz@FreeBSD.ORG>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
* are met: * are met:
* 1. Redistributions of source code must retain the above copyright * 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer. * notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright * 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the * notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution. * documentation and/or other materials provided with the distribution.
* *
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * 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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* $FreeBSD$ * $FreeBSD$
*
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__FBSDID("$FreeBSD$"); __FBSDID("$FreeBSD$");
#include "opt_platform.h"
#include "opt_acpi.h"
#include <sys/param.h> #include <sys/param.h>
#include <sys/systm.h> #include <sys/systm.h>
#include <sys/bus.h> #include <sys/bus.h>
#include <sys/rman.h> #include <sys/rman.h>
#include <sys/condvar.h> #include <sys/condvar.h>
#include <sys/kernel.h> #include <sys/kernel.h>
#include <sys/module.h> #include <sys/module.h>
#ifdef FDT
#include <sys/gpio.h> #include <sys/gpio.h>
#endif
#include <machine/bus.h> #include <machine/bus.h>
#include <dev/fdt/simplebus.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/ofw/ofw_subr.h>
#include <dev/usb/usb.h> #include <dev/usb/usb.h>
#include <dev/usb/usbdi.h> #include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h> #include <dev/usb/usb_core.h>
#include <dev/usb/usb_busdma.h> #include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_process.h> #include <dev/usb/usb_process.h>
#include <dev/usb/usb_controller.h> #include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h> #include <dev/usb/usb_bus.h>
#include <dev/usb/controller/xhci.h> #include <dev/usb/controller/xhci.h>
#include <dev/usb/controller/dwc3.h> #include <dev/usb/controller/dwc3.h>
#ifdef FDT
#include <dev/fdt/simplebus.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/ofw/ofw_subr.h>
#include <dev/extres/clk/clk.h> #include <dev/extres/clk/clk.h>
#include <dev/extres/phy/phy_usb.h> #include <dev/extres/phy/phy_usb.h>
#endif
#ifdef DEV_ACPI
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
#endif
#include "generic_xhci.h" #include "generic_xhci.h"
static struct ofw_compat_data compat_data[] = {
{ "snps,dwc3", 1 },
{ NULL, 0 }
};
struct snps_dwc3_softc { struct snps_dwc3_softc {
struct xhci_softc sc; struct xhci_softc sc;
device_t dev; device_t dev;
struct resource * mem_res; struct resource * mem_res;
bus_space_tag_t bst; bus_space_tag_t bst;
bus_space_handle_t bsh; bus_space_handle_t bsh;
phandle_t node;
phy_t usb2_phy;
phy_t usb3_phy;
uint32_t snpsid; uint32_t snpsid;
}; };
#define DWC3_WRITE(_sc, _off, _val) \ #define DWC3_WRITE(_sc, _off, _val) \
bus_space_write_4(_sc->bst, _sc->bsh, _off, _val) bus_space_write_4(_sc->bst, _sc->bsh, _off, _val)
#define DWC3_READ(_sc, _off) \ #define DWC3_READ(_sc, _off) \
bus_space_read_4(_sc->bst, _sc->bsh, _off) bus_space_read_4(_sc->bst, _sc->bsh, _off)
#define IS_DMA_32B 1
static int static int
snps_dwc3_attach_xhci(device_t dev) snps_dwc3_attach_xhci(device_t dev)
{ {
struct snps_dwc3_softc *snps_sc = device_get_softc(dev); struct snps_dwc3_softc *snps_sc = device_get_softc(dev);
struct xhci_softc *sc = &snps_sc->sc; struct xhci_softc *sc = &snps_sc->sc;
int err = 0, rid = 0; int err = 0, rid = 0;
sc->sc_io_res = snps_sc->mem_res; sc->sc_io_res = snps_sc->mem_res;
Show All 22 Linessnps_dwc3_attach_xhci(device_t dev)
err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl); NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl);
if (err != 0) { if (err != 0) {
device_printf(dev, "Failed to setup IRQ, %d\n", err); device_printf(dev, "Failed to setup IRQ, %d\n", err);
sc->sc_intr_hdl = NULL; sc->sc_intr_hdl = NULL;
return (err); return (err);
} }
err = xhci_init(sc, dev, 1); err = xhci_init(sc, dev, IS_DMA_32B);
if (err != 0) { if (err != 0) {
device_printf(dev, "Failed to init XHCI, with error %d\n", err); device_printf(dev, "Failed to init XHCI, with error %d\n", err);
return (ENXIO); return (ENXIO);
} }
err = xhci_start_controller(sc); err = xhci_start_controller(sc);
if (err != 0) { if (err != 0) {
device_printf(dev, "Failed to start XHCI controller, with error %d\n", err); device_printf(dev, "Failed to start XHCI controller, with error %d\n", err);
Show All 33 Linessnsp_dwc3_dump_regs(struct snps_dwc3_softc *sc, const char *msg)
reg = DWC3_READ(sc, DWC3_GUSB3PIPECTL0); reg = DWC3_READ(sc, DWC3_GUSB3PIPECTL0);
device_printf(sc->dev, "GUSB3PIPECTL0: %#012x\n", reg); device_printf(sc->dev, "GUSB3PIPECTL0: %#012x\n", reg);
reg = DWC3_READ(sc, DWC3_DCFG); reg = DWC3_READ(sc, DWC3_DCFG);
device_printf(sc->dev, "DCFG: %#012x\n", reg); device_printf(sc->dev, "DCFG: %#012x\n", reg);
xsc = &sc->sc; xsc = &sc->sc;
device_printf(sc->dev, "xhci quirks: %#012x\n", xsc->sc_quirks); device_printf(sc->dev, "xhci quirks: %#012x\n", xsc->sc_quirks);
} }
#endif
#ifdef DWC3_DEBUG
manuUnsubmitted
Not Done
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This was dropped, is it intentional ?

manu: This was dropped, is it intentional ?
mwUnsubmitted
Not Done
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snsp_dwc3_dump_regs() and snps_dwc3_dump_ctrlparams() were in 2 adjacent #ifdef DWC3_DEBUG sections. bz@ merged them.

mw: snsp_dwc3_dump_regs() and snps_dwc3_dump_ctrlparams() were in 2 adjacent #ifdef DWC3_DEBUG…
manuUnsubmitted
Not Done
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Oops yes :)
Nevermind, nothing to see here.

manu: Oops yes :) Nevermind, nothing to see here.
static void static void
snps_dwc3_dump_ctrlparams(struct snps_dwc3_softc *sc) snps_dwc3_dump_ctrlparams(struct snps_dwc3_softc *sc)
{ {
const bus_size_t offs[] = { const bus_size_t offs[] = {
DWC3_GHWPARAMS0, DWC3_GHWPARAMS1, DWC3_GHWPARAMS2, DWC3_GHWPARAMS3, DWC3_GHWPARAMS0, DWC3_GHWPARAMS1, DWC3_GHWPARAMS2, DWC3_GHWPARAMS3,
DWC3_GHWPARAMS4, DWC3_GHWPARAMS5, DWC3_GHWPARAMS6, DWC3_GHWPARAMS7, DWC3_GHWPARAMS4, DWC3_GHWPARAMS5, DWC3_GHWPARAMS6, DWC3_GHWPARAMS7,
DWC3_GHWPARAMS8, DWC3_GHWPARAMS8,
}; };
uint32_t reg; uint32_t reg;
int i; int i;
for (i = 0; i < nitems(offs); i++) { for (i = 0; i < nitems(offs); i++) {
reg = DWC3_READ(sc, offs[i]); reg = DWC3_READ(sc, offs[i]);
if (bootverbose) if (bootverbose)
device_printf(sc->dev, "hwparams[%d]: %#012x\n", i, reg); device_printf(sc->dev, "hwparams[%d]: %#012x\n", i, reg);
} }
} }
#endif #endif
static void static void
snps_dwc3_reset(struct snps_dwc3_softc *sc) snps_dwc3_reset(struct snps_dwc3_softc *sc)
{ {
uint32_t gctl, ghwp0, phy2, phy3; uint32_t gctl, ghwp0, phy2, phy3;
if (sc->usb2_phy)
phy_enable(sc->usb2_phy);
if (sc->usb3_phy)
phy_enable(sc->usb3_phy);
bzAuthorUnsubmitted
Done
Inline Actions

We do configure the PHYs right before the only call to reset so no need to do it here again.

bz: We do configure the PHYs right before the only call to reset so no need to do it here again.
ghwp0 = DWC3_READ(sc, DWC3_GHWPARAMS0); ghwp0 = DWC3_READ(sc, DWC3_GHWPARAMS0);
gctl = DWC3_READ(sc, DWC3_GCTL); gctl = DWC3_READ(sc, DWC3_GCTL);
gctl |= DWC3_GCTL_CORESOFTRESET; gctl |= DWC3_GCTL_CORESOFTRESET;
DWC3_WRITE(sc, DWC3_GCTL, gctl); DWC3_WRITE(sc, DWC3_GCTL, gctl);
phy2 = DWC3_READ(sc, DWC3_GUSB2PHYCFG0); phy2 = DWC3_READ(sc, DWC3_GUSB2PHYCFG0);
phy2 |= DWC3_GUSB2PHYCFG0_PHYSOFTRST; phy2 |= DWC3_GUSB2PHYCFG0_PHYSOFTRST;
Show All 37 Linessnps_dwc3_configure_host(struct snps_dwc3_softc *sc)
* host respond with a non-terminating retry ACK. * host respond with a non-terminating retry ACK.
* XXX If we ever support more than host mode this needs a dr_mode check. * XXX If we ever support more than host mode this needs a dr_mode check.
*/ */
reg = DWC3_READ(sc, DWC3_GUCTL); reg = DWC3_READ(sc, DWC3_GUCTL);
reg |= DWC3_GUCTL_HOST_AUTO_RETRY; reg |= DWC3_GUCTL_HOST_AUTO_RETRY;
DWC3_WRITE(sc, DWC3_GUCTL, reg); DWC3_WRITE(sc, DWC3_GUCTL, reg);
} }
#ifdef FDT
static void static void
snps_dwc3_configure_phy(struct snps_dwc3_softc *sc) snps_dwc3_configure_phy(struct snps_dwc3_softc *sc, phandle_t node)
{ {
char *phy_type; char *phy_type;
uint32_t reg; uint32_t reg;
int nphy_types; int nphy_types;
phy_type = NULL; phy_type = NULL;
nphy_types = OF_getprop_alloc(sc->node, "phy_type", (void **)&phy_type); nphy_types = OF_getprop_alloc(node, "phy_type", (void **)&phy_type);
if (nphy_types <= 0) if (nphy_types <= 0)
return; return;
reg = DWC3_READ(sc, DWC3_GUSB2PHYCFG0); reg = DWC3_READ(sc, DWC3_GUSB2PHYCFG0);
if (strncmp(phy_type, "utmi_wide", 9) == 0) { if (strncmp(phy_type, "utmi_wide", 9) == 0) {
reg &= ~(DWC3_GUSB2PHYCFG0_PHYIF | DWC3_GUSB2PHYCFG0_USBTRDTIM(0xf)); reg &= ~(DWC3_GUSB2PHYCFG0_PHYIF | DWC3_GUSB2PHYCFG0_USBTRDTIM(0xf));
reg |= DWC3_GUSB2PHYCFG0_PHYIF | reg |= DWC3_GUSB2PHYCFG0_PHYIF |
DWC3_GUSB2PHYCFG0_USBTRDTIM(DWC3_GUSB2PHYCFG0_USBTRDTIM_16BITS); DWC3_GUSB2PHYCFG0_USBTRDTIM(DWC3_GUSB2PHYCFG0_USBTRDTIM_16BITS);
} else { } else {
reg &= ~(DWC3_GUSB2PHYCFG0_PHYIF | DWC3_GUSB2PHYCFG0_USBTRDTIM(0xf)); reg &= ~(DWC3_GUSB2PHYCFG0_PHYIF | DWC3_GUSB2PHYCFG0_USBTRDTIM(0xf));
reg |= DWC3_GUSB2PHYCFG0_PHYIF | reg |= DWC3_GUSB2PHYCFG0_PHYIF |
DWC3_GUSB2PHYCFG0_USBTRDTIM(DWC3_GUSB2PHYCFG0_USBTRDTIM_8BITS); DWC3_GUSB2PHYCFG0_USBTRDTIM(DWC3_GUSB2PHYCFG0_USBTRDTIM_8BITS);
} }
DWC3_WRITE(sc, DWC3_GUSB2PHYCFG0, reg); DWC3_WRITE(sc, DWC3_GUSB2PHYCFG0, reg);
OF_prop_free(phy_type); OF_prop_free(phy_type);
} }
#endif
static void static void
snps_dwc3_do_quirks(struct snps_dwc3_softc *sc) snps_dwc3_do_quirks(struct snps_dwc3_softc *sc)
{ {
struct xhci_softc *xsc; struct xhci_softc *xsc;
uint32_t ghwp0, reg; uint32_t ghwp0, reg;
ghwp0 = DWC3_READ(sc, DWC3_GHWPARAMS0); ghwp0 = DWC3_READ(sc, DWC3_GHWPARAMS0);
Show All 30 Lines else if ((ghwp0 & DWC3_GHWPARAMS0_MODE_MASK) ==
reg |= DWC3_GUSB3PIPECTL0_SUSPENDUSB3; reg |= DWC3_GUSB3PIPECTL0_SUSPENDUSB3;
DWC3_WRITE(sc, DWC3_GUSB3PIPECTL0, reg); DWC3_WRITE(sc, DWC3_GUSB3PIPECTL0, reg);
/* Port Disable does not work on <= 3.00a. Disable PORT_PED. */ /* Port Disable does not work on <= 3.00a. Disable PORT_PED. */
if ((sc->snpsid & 0xffff) <= 0x300a) { if ((sc->snpsid & 0xffff) <= 0x300a) {
xsc = &sc->sc; xsc = &sc->sc;
xsc->sc_quirks |= XHCI_QUIRK_DISABLE_PORT_PED; xsc->sc_quirks |= XHCI_QUIRK_DISABLE_PORT_PED;
} }
} }
mwUnsubmitted
Done
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This is a separate functional change. Please move to a separate smaller commit.

mw: This is a separate functional change. Please move to a separate smaller commit.
static int static int
snps_dwc3_probe(device_t dev) snps_dwc3_probe_common(device_t dev)
{ {
char dr_mode[16]; char dr_mode[16];
ssize_t s; ssize_t s;
if (!ofw_bus_status_okay(dev)) memset(dr_mode, '\0', sizeof(dr_mode));
bzAuthorUnsubmitted
Done
Inline Actions

This is needed now (again) as ACPI only copies 4 bytes for "host" and does not terminate the string.
A strncmp(,,s) below could work until someone adds a "hostfoo" mode.

bz: This is needed now (again) as ACPI only copies 4 bytes for "host" and does not terminate the…
mwUnsubmitted
Done
Inline Actions

Would:

char dr_mode[16] = {0};

declaration work instead of memset?

mw: Would: char dr_mode[16] = {0}; declaration work instead of memset?
return (ENXIO);
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
return (ENXIO);
s = device_get_property(dev, "dr_mode", dr_mode, sizeof(dr_mode), s = device_get_property(dev, "dr_mode", dr_mode, sizeof(dr_mode),
DEVICE_PROP_BUFFER); DEVICE_PROP_BUFFER);
if (s == -1) { if (s == -1) {
device_printf(dev, "Cannot determine dr_mode\n"); device_printf(dev, "Cannot determine dr_mode\n");
return (ENXIO); return (ENXIO);
} }
if (strcmp(dr_mode, "host") != 0) { if (strcmp(dr_mode, "host") != 0) {
device_printf(dev, device_printf(dev,
"Found dr_mode '%s' but only 'host' supported. s=%zd\n", "Found dr_mode '%s' but only 'host' supported. s=%zd\n",
dr_mode, s); dr_mode, s);
return (ENXIO); return (ENXIO);
} }
device_set_desc(dev, "Synopsys Designware DWC3"); device_set_desc(dev, "Synopsys Designware DWC3");
return (BUS_PROBE_DEFAULT); return (BUS_PROBE_DEFAULT);
} }
static int static int
snps_dwc3_attach(device_t dev) snps_dwc3_common_attach(device_t dev, bool is_fdt)
{ {
struct snps_dwc3_softc *sc; struct snps_dwc3_softc *sc;
int rid = 0; #ifdef FDT
phandle_t node;
phy_t usb2_phy, usb3_phy;
#endif
int error, rid;
sc = device_get_softc(dev); sc = device_get_softc(dev);
sc->dev = dev; sc->dev = dev;
rid = 0;
sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
RF_ACTIVE); RF_ACTIVE);
if (sc->mem_res == NULL) { if (sc->mem_res == NULL) {
device_printf(dev, "Failed to map memory\n"); device_printf(dev, "Failed to map memory\n");
return (ENXIO); return (ENXIO);
} }
sc->bst = rman_get_bustag(sc->mem_res); sc->bst = rman_get_bustag(sc->mem_res);
sc->bsh = rman_get_bushandle(sc->mem_res); sc->bsh = rman_get_bushandle(sc->mem_res);
sc->snpsid = DWC3_READ(sc, DWC3_GSNPSID); sc->snpsid = DWC3_READ(sc, DWC3_GSNPSID);
if (bootverbose) if (bootverbose)
device_printf(sc->dev, "snps id: %#012x\n", sc->snpsid); device_printf(sc->dev, "snps id: %#012x\n", sc->snpsid);
#ifdef DWC3_DEBUG #ifdef DWC3_DEBUG
snps_dwc3_dump_ctrlparams(sc); snps_dwc3_dump_ctrlparams(sc);
#endif #endif
#ifdef FDT
if (!is_fdt)
goto skip_phys;
/* Get the phys */ /* Get the phys */
sc->node = ofw_bus_get_node(dev); node = ofw_bus_get_node(dev);
phy_get_by_ofw_name(dev, sc->node, "usb2-phy", &sc->usb2_phy);
phy_get_by_ofw_name(dev, sc->node, "usb3-phy", &sc->usb3_phy);
usb2_phy = usb3_phy = NULL;
bzAuthorUnsubmitted
Done
Inline Actions

We could move the entire PHY bits into snps_dwc3_configure_phy() if we wanted now.

bz: We could move the entire PHY bits into snps_dwc3_configure_phy() if we wanted now.
error = phy_get_by_ofw_name(dev, node, "usb2-phy", &usb2_phy);
if (error == 0 && usb2_phy != NULL)
phy_enable(usb2_phy);
error = phy_get_by_ofw_name(dev, node, "usb3-phy", &usb3_phy);
if (error == 0 && usb3_phy != NULL)
phy_enable(usb3_phy);
snps_dwc3_configure_phy(sc, node);
skip_phys:
#endif
snps_dwc3_reset(sc); snps_dwc3_reset(sc);
snps_dwc3_configure_host(sc); snps_dwc3_configure_host(sc);
snps_dwc3_configure_phy(sc);
snps_dwc3_do_quirks(sc); snps_dwc3_do_quirks(sc);
#ifdef DWC3_DEBUG #ifdef DWC3_DEBUG
snsp_dwc3_dump_regs(sc, "Pre XHCI init"); snsp_dwc3_dump_regs(sc, "Pre XHCI init");
#endif #endif
snps_dwc3_attach_xhci(dev); error = snps_dwc3_attach_xhci(dev);
#ifdef DWC3_DEBUG #ifdef DWC3_DEBUG
snsp_dwc3_dump_regs(sc, "Post XHCI init"); snsp_dwc3_dump_regs(sc, "Post XHCI init");
#endif #endif
return (0); return (error);
} }
static device_method_t snps_dwc3_methods[] = { #ifdef FDT
static struct ofw_compat_data compat_data[] = {
{ "snps,dwc3", 1 },
{ NULL, 0 }
};
static int
snps_dwc3_fdt_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
return (ENXIO);
return (snps_dwc3_probe_common(dev));
}
static int
snps_dwc3_fdt_attach(device_t dev)
{
return (snps_dwc3_common_attach(dev, true));
}
static device_method_t snps_dwc3_fdt_methods[] = {
/* Device interface */ /* Device interface */
DEVMETHOD(device_probe, snps_dwc3_probe), DEVMETHOD(device_probe, snps_dwc3_fdt_probe),
DEVMETHOD(device_attach, snps_dwc3_attach), DEVMETHOD(device_attach, snps_dwc3_fdt_attach),
DEVMETHOD_END DEVMETHOD_END
}; };
static driver_t snps_dwc3_driver = { DEFINE_CLASS_1(snps_dwc3_fdt, snps_dwc3_fdt_driver, snps_dwc3_fdt_methods,
"xhci", sizeof(struct snps_dwc3_softc), generic_xhci_driver);
snps_dwc3_methods,
sizeof(struct snps_dwc3_softc) DRIVER_MODULE(snps_dwc3_fdt, simplebus, snps_dwc3_fdt_driver, 0, 0);
MODULE_DEPEND(snps_dwc3_fdt, xhci, 1, 1, 1);
#endif
#ifdef DEV_ACPI
static char *dwc3_acpi_ids[] = {
"808622B7", /* This was an Intel PCI Vendor/Device ID used. */
"PNP0D10", /* The generic XHCI PNP ID needing extra probe checks. */
NULL
}; };
DRIVER_MODULE(snps_dwc3, simplebus, snps_dwc3_driver, 0, 0); static int
MODULE_DEPEND(snps_dwc3, xhci, 1, 1, 1); snps_dwc3_acpi_probe(device_t dev)
{
char *match;
int error;
if (acpi_disabled("snps_dwc3"))
return (ENXIO);
error = ACPI_ID_PROBE(device_get_parent(dev), dev, dwc3_acpi_ids, &match);
if (error > 0)
return (ENXIO);
/*
* If we found the Generic XHCI PNP ID we can only attach if we have
* some other means to identify the device as dwc3.
*/
if (strcmp(match, "PNP0D10") == 0) {
/* This is needed in SolidRun's HoneyComb. */
if (device_has_property(dev, "snps,dis_rxdet_inp3_quirk"))
goto is_dwc3;
return (ENXIO);
}
is_dwc3:
return (snps_dwc3_probe_common(dev));
}
static int
snps_dwc3_acpi_attach(device_t dev)
{
return (snps_dwc3_common_attach(dev, false));
}
static device_method_t snps_dwc3_acpi_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, snps_dwc3_acpi_probe),
DEVMETHOD(device_attach, snps_dwc3_acpi_attach),
DEVMETHOD_END
};
DEFINE_CLASS_1(snps_dwc3_acpi, snps_dwc3_acpi_driver, snps_dwc3_acpi_methods,
sizeof(struct snps_dwc3_softc), generic_xhci_driver);
DRIVER_MODULE(snps_dwc3_acpi, acpi, snps_dwc3_acpi_driver, 0, 0);
MODULE_DEPEND(snps_dwc3_acpi, usb, 1, 1, 1);
#endif