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Split out the attachment from the generic-ehci driver

Browse Source 
Create an attachment file for the existing ACPI attachment, and create a
new FDT attachment for the generic-ehci driver.

Submitted by:	andrew (Original version)
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D19389
This commit is contained in:
Emmanuel Vadot 2019-10-03 18:53:03 +00:00
parent 967e1a5333
commit 7a58744fd0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353062
5 changed files with 390 additions and 29 deletions
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4
sys/conf/files.arm64
View File

@ -245,7 +245,9 @@ dev/uart/uart_dev_mu.c optional uart uart_mu
dev/uart/uart_dev_pl011.c optional uart pl011
dev/usb/controller/dwc_otg_hisi.c optional dwcotg fdt soc_hisi_hi6220
dev/usb/controller/ehci_mv.c optional ehci_mv fdt
dev/usb/controller/generic_ehci.c optional ehci acpi
dev/usb/controller/generic_ehci.c optional ehci
dev/usb/controller/generic_ehci_acpi.c optional ehci acpi
dev/usb/controller/generic_ehci_fdt.c optional ehci fdt
dev/usb/controller/generic_ohci.c optional ohci fdt
dev/usb/controller/generic_usb_if.m optional ohci fdt
dev/usb/controller/usb_nop_xceiv.c optional fdt ext_resources

32
sys/dev/usb/controller/generic_ehci.c
View File

@ -60,27 +60,9 @@ __FBSDID("$FreeBSD$");
#include <dev/usb/controller/ehci.h>
#include <dev/usb/controller/ehcireg.h>
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
#include "generic_ehci.h"
static device_attach_t generic_ehci_attach;
static device_detach_t generic_ehci_detach;
static int
generic_ehci_probe(device_t self)
{
ACPI_HANDLE h;
if ((h = acpi_get_handle(self)) == NULL ||
!acpi_MatchHid(h, "PNP0D20"))
return (ENXIO);
device_set_desc(self, "Generic EHCI Controller");
return (BUS_PROBE_DEFAULT);
}
static int
int
generic_ehci_attach(device_t self)
{
ehci_softc_t *sc = device_get_softc(self);
@ -152,7 +134,7 @@ generic_ehci_attach(device_t self)
return (ENXIO);
}
static int
int
generic_ehci_detach(device_t self)
{
ehci_softc_t *sc = device_get_softc(self);
@ -192,7 +174,6 @@ generic_ehci_detach(device_t self)
static device_method_t ehci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, generic_ehci_probe),
DEVMETHOD(device_attach, generic_ehci_attach),
DEVMETHOD(device_detach, generic_ehci_detach),
DEVMETHOD(device_suspend, bus_generic_suspend),
@ -202,13 +183,8 @@ static device_method_t ehci_methods[] = {
DEVMETHOD_END
};
static driver_t ehci_driver = {
driver_t generic_ehci_driver = {
.name = "ehci",
.methods = ehci_methods,
.size = sizeof(ehci_softc_t),
};
static devclass_t ehci_devclass;
DRIVER_MODULE(ehci, acpi, ehci_driver, ehci_devclass, 0, 0);
MODULE_DEPEND(ehci, usb, 1, 1, 1);

42
sys/dev/usb/controller/generic_ehci.h Normal file
View File

@ -0,0 +1,42 @@
/*-
* Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
* Copyright (c) 2016 The FreeBSD Foundation
* Copyright (c) 2019 Andrew Turner <andrew@FreeBSD.org>
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#ifndef _GENERIC_EHCI_H_
#define _GENERIC_EHCI_H_
extern driver_t generic_ehci_driver;
device_attach_t generic_ehci_attach;
device_detach_t generic_ehci_detach;
#endif /* !_GENERIC_EHCI_H_ */

86
sys/dev/usb/controller/generic_ehci_acpi.c Normal file
View File

@ -0,0 +1,86 @@
/*-
* Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
* Copyright (c) 2016 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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>
__FBSDID("$FreeBSD$");
#include "opt_bus.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/condvar.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/controller/ehci.h>
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
#include "generic_ehci.h"
static int
generic_ehci_acpi_probe(device_t self)
{
ACPI_HANDLE h;
if ((h = acpi_get_handle(self)) == NULL ||
!acpi_MatchHid(h, "PNP0D20"))
return (ENXIO);
device_set_desc(self, "Generic EHCI Controller");
return (BUS_PROBE_DEFAULT);
}
static device_method_t ehci_acpi_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, generic_ehci_acpi_probe),
DEVMETHOD_END
};
DEFINE_CLASS_1(ehci, ehci_acpi_driver, ehci_acpi_methods,
sizeof(ehci_softc_t), generic_ehci_driver);
static devclass_t ehci_acpi_devclass;
DRIVER_MODULE(ehci, acpi, ehci_acpi_driver, ehci_acpi_devclass, 0, 0);
MODULE_DEPEND(ehci, usb, 1, 1, 1);

255
sys/dev/usb/controller/generic_ehci_fdt.c Normal file
View File

@ -0,0 +1,255 @@
/*-
* Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
* Copyright (c) 2016 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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>
__FBSDID("$FreeBSD$");
#include "opt_bus.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/condvar.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/controller/ehci.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#ifdef EXT_RESOURCES
#include <dev/extres/clk/clk.h>
#include <dev/extres/hwreset/hwreset.h>
#include <dev/extres/phy/phy.h>
#include <dev/extres/phy/phy_usb.h>
#endif
#include "generic_ehci.h"
#ifdef EXT_RESOURCES
struct clk_list {
TAILQ_ENTRY(clk_list) next;
clk_t clk;
};
struct hwrst_list {
TAILQ_ENTRY(hwrst_list) next;
hwreset_t rst;
};
struct phy_list {
TAILQ_ENTRY(phy_list) next;
phy_t phy;
};
#endif
struct generic_ehci_fdt_softc {
ehci_softc_t ehci_sc;
#ifdef EXT_RESOURCES
TAILQ_HEAD(, clk_list) clk_list;
TAILQ_HEAD(, hwrst_list) rst_list;
TAILQ_HEAD(, phy_list) phy_list;
#endif
};
static device_probe_t generic_ehci_fdt_probe;
static device_attach_t generic_ehci_fdt_attach;
static device_detach_t generic_ehci_fdt_detach;
static int
generic_ehci_fdt_probe(device_t self)
{
if (!ofw_bus_status_okay(self))
return (ENXIO);
if (!ofw_bus_is_compatible(self, "generic-ehci"))
return (ENXIO);
device_set_desc(self, "Generic EHCI Controller");
return (BUS_PROBE_DEFAULT);
}
static int
generic_ehci_fdt_attach(device_t dev)
{
#ifdef EXT_RESOURCES
struct generic_ehci_fdt_softc *sc;
struct clk_list *clkp;
clk_t clk;
struct hwrst_list *rstp;
hwreset_t rst;
struct phy_list *phyp;
phy_t phy;
int err, off;
sc = device_get_softc(dev);
TAILQ_INIT(&sc->clk_list);
/* Enable clock */
for (off = 0; clk_get_by_ofw_index(dev, 0, off, &clk) == 0; off++) {
err = clk_enable(clk);
if (err != 0) {
device_printf(dev, "Could not enable clock %s\n",
clk_get_name(clk));
goto error;
}
clkp = malloc(sizeof(*clkp), M_DEVBUF, M_WAITOK | M_ZERO);
clkp->clk = clk;
TAILQ_INSERT_TAIL(&sc->clk_list, clkp, next);
}
/* De-assert reset */
TAILQ_INIT(&sc->rst_list);
for (off = 0; hwreset_get_by_ofw_idx(dev, 0, off, &rst) == 0; off++) {
err = hwreset_deassert(rst);
if (err != 0) {
device_printf(dev, "Could not de-assert reset\n");
goto error;
}
rstp = malloc(sizeof(*rstp), M_DEVBUF, M_WAITOK | M_ZERO);
rstp->rst = rst;
TAILQ_INSERT_TAIL(&sc->rst_list, rstp, next);
}
/* Enable USB PHY */
TAILQ_INIT(&sc->phy_list);
for (off = 0; phy_get_by_ofw_idx(dev, 0, off, &phy) == 0; off++) {
err = phy_usb_set_mode(phy, PHY_USB_MODE_HOST);
if (err != 0) {
device_printf(dev, "Could not set phy to host mode\n");
goto error;
}
err = phy_enable(phy);
if (err != 0) {
device_printf(dev, "Could not enable phy\n");
goto error;
}
phyp = malloc(sizeof(*phyp), M_DEVBUF, M_WAITOK | M_ZERO);
phyp->phy = phy;
TAILQ_INSERT_TAIL(&sc->phy_list, phyp, next);
}
#endif
err = generic_ehci_attach(dev);
if (err != 0)
goto error;
return (0);
error:
generic_ehci_fdt_detach(dev);
return (err);
}
static int
generic_ehci_fdt_detach(device_t dev)
{
#ifdef EXT_RESOURCES
struct generic_ehci_fdt_softc *sc;
struct clk_list *clk, *clk_tmp;
struct hwrst_list *rst, *rst_tmp;
struct phy_list *phy, *phy_tmp;
#endif
int err;
err = generic_ehci_detach(dev);
if (err != 0)
return (err);
#ifdef EXT_RESOURCES
sc = device_get_softc(dev);
/* Disable clock */
TAILQ_FOREACH_SAFE(clk, &sc->clk_list, next, clk_tmp) {
err = clk_disable(clk->clk);
if (err != 0)
device_printf(dev, "Could not disable clock %s\n",
clk_get_name(clk->clk));
err = clk_release(clk->clk);
if (err != 0)
device_printf(dev, "Could not release clock %s\n",
clk_get_name(clk->clk));
TAILQ_REMOVE(&sc->clk_list, clk, next);
free(clk, M_DEVBUF);
}
/* Assert reset */
TAILQ_FOREACH_SAFE(rst, &sc->rst_list, next, rst_tmp) {
hwreset_assert(rst->rst);
hwreset_release(rst->rst);
TAILQ_REMOVE(&sc->rst_list, rst, next);
free(rst, M_DEVBUF);
}
/* Disable phys */
TAILQ_FOREACH_SAFE(phy, &sc->phy_list, next, phy_tmp) {
err = phy_disable(phy->phy);
if (err != 0)
device_printf(dev, "Could not disable phy\n");
phy_release(phy->phy);
TAILQ_REMOVE(&sc->phy_list, phy, next);
free(phy, M_DEVBUF);
}
#endif
return (0);
}
static device_method_t ehci_fdt_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, generic_ehci_fdt_probe),
DEVMETHOD(device_attach, generic_ehci_fdt_attach),
DEVMETHOD(device_detach, generic_ehci_fdt_detach),
DEVMETHOD_END
};
DEFINE_CLASS_1(ehci, ehci_fdt_driver, ehci_fdt_methods,
sizeof(ehci_softc_t), generic_ehci_driver);
static devclass_t ehci_fdt_devclass;
DRIVER_MODULE(ehci, simplebus, ehci_fdt_driver, ehci_fdt_devclass, 0, 0);
MODULE_DEPEND(ehci, usb, 1, 1, 1);