Date: Thu, 24 Dec 2015 18:36:08 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r292702 - head/sys/mips/rt305x Message-ID: <201512241836.tBOIa8hA062110@repo.freebsd.org>
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Author: adrian Date: Thu Dec 24 18:36:08 2015 New Revision: 292702 URL: https://svnweb.freebsd.org/changeset/base/292702 Log: [MT7620] add ehci/ohci USB support. The newer chips don't use OTG; they're more traditional USB. Submitted by: Stanislav Galabov <sgalabov@gmail.com> Added: head/sys/mips/rt305x/rt305x_ehci.c (contents, props changed) head/sys/mips/rt305x/rt305x_ohci.c (contents, props changed) Added: head/sys/mips/rt305x/rt305x_ehci.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/mips/rt305x/rt305x_ehci.c Thu Dec 24 18:36:08 2015 (r292702) @@ -0,0 +1,245 @@ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/*- + * Copyright (c) 2015 Stanislav Galabov. All rights reserved. + * Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved. + * Copyright (c) 2007-2008 Hans Petter Selasky. 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. + * + * 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/stdint.h> +#include <sys/stddef.h> +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/types.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <sys/module.h> +#include <sys/lock.h> +#include <sys/mutex.h> +#include <sys/condvar.h> +#include <sys/sysctl.h> +#include <sys/sx.h> +#include <sys/unistd.h> +#include <sys/callout.h> +#include <sys/malloc.h> +#include <sys/priv.h> +#include <sys/rman.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_util.h> + +#include <dev/usb/usb_controller.h> +#include <dev/usb/usb_bus.h> + +#include <dev/usb/controller/ehci.h> + +#include <mips/rt305x/rt305xreg.h> +#include <mips/rt305x/rt305x_sysctlvar.h> + +#define EHCI_HC_DEVSTR "Ralink integrated USB 2.0 controller" + +static device_probe_t ehci_obio_probe; +static device_attach_t ehci_obio_attach; +static device_detach_t ehci_obio_detach; + +static int +ehci_obio_probe(device_t self) +{ + device_set_desc(self, EHCI_HC_DEVSTR); + + return (BUS_PROBE_DEFAULT); +} + +static int +ehci_obio_attach(device_t self) +{ + ehci_softc_t *sc = device_get_softc(self); + uint32_t reg; + int err; + int rid; + + /* setup controller interface softc */ + reg = rt305x_sysctl_get(SYSCTL_SYSCFG1); + reg |= SYSCTL_SYSCFG1_USB0_HOST_MODE; + rt305x_sysctl_set(SYSCTL_SYSCFG1, reg); + + reg = rt305x_sysctl_get(SYSCTL_CLKCFG1); + reg |= SYSCTL_CLKCFG1_UPHY0_CLK_EN; +#ifdef MT7620 + reg |= SYSCTL_CLKCFG1_UPHY1_CLK_EN; +#endif + rt305x_sysctl_set(SYSCTL_CLKCFG1, reg); + + reg = rt305x_sysctl_get(SYSCTL_RSTCTRL); + reg |= SYSCTL_RSTCTRL_UPHY0 | SYSCTL_RSTCTRL_UPHY1; + rt305x_sysctl_set(SYSCTL_RSTCTRL, reg); + reg &= ~(SYSCTL_RSTCTRL_UPHY0 | SYSCTL_RSTCTRL_UPHY1); + DELAY(100000); + rt305x_sysctl_set(SYSCTL_RSTCTRL, reg); + DELAY(100000); + + /* initialise some bus fields */ + sc->sc_bus.parent = self; + sc->sc_bus.devices = sc->sc_devices; + sc->sc_bus.devices_max = EHCI_MAX_DEVICES; + sc->sc_bus.dma_bits = 32; + + /* get all DMA memory */ + if (usb_bus_mem_alloc_all(&sc->sc_bus, + USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) { + printf("No mem\n"); + return (ENOMEM); + } + + rid = 0; + sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (!sc->sc_io_res) { + device_printf(self, "Could not map memory\n"); + goto error; + } + sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); + sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); + sc->sc_io_size = rman_get_size(sc->sc_io_res); + + rid = 0; + sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, + RF_SHAREABLE | RF_ACTIVE); + if (sc->sc_irq_res == NULL) { + device_printf(self, "Could not allocate irq\n"); + goto error; + } + + sc->sc_bus.bdev = device_add_child(self, "usbus", -1); + if (!(sc->sc_bus.bdev)) { + device_printf(self, "Could not add USB device\n"); + goto error; + } + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + device_set_desc(sc->sc_bus.bdev, EHCI_HC_DEVSTR); + + sprintf(sc->sc_vendor, "Ralink"); + + err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl); + if (err) { + device_printf(self, "Could not setup irq, %d\n", err); + sc->sc_intr_hdl = NULL; + goto error; + } + + err = ehci_init(sc); + if (!err) { + err = device_probe_and_attach(sc->sc_bus.bdev); + } + if (err) { + device_printf(self, "USB init failed err=%d\n", err); + goto error; + } + return (0); + +error: + ehci_obio_detach(self); + return (ENXIO); +} + +static int +ehci_obio_detach(device_t self) +{ + ehci_softc_t *sc = device_get_softc(self); + device_t bdev; + int err; + + if (sc->sc_bus.bdev) { + bdev = sc->sc_bus.bdev; + device_detach(bdev); + device_delete_child(self, bdev); + } + /* during module unload there are lots of children leftover */ + device_delete_children(self); + + if (sc->sc_irq_res && sc->sc_intr_hdl) { + /* + * only call ehci_detach() after ehci_init() + */ + ehci_detach(sc); + + /* Stop EHCI clock */ + rt305x_sysctl_set(SYSCTL_CLKCFG1, + rt305x_sysctl_get(SYSCTL_CLKCFG1) & + ~(SYSCTL_CLKCFG1_UPHY0_CLK_EN +#ifdef MT7620 + | SYSCTL_CLKCFG1_UPHY1_CLK_EN +#endif + )); + + err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); + if (err) + device_printf(self, "Could not tear down irq, %d\n", + err); + sc->sc_intr_hdl = NULL; + } + if (sc->sc_irq_res) { + bus_release_resource(self, SYS_RES_IRQ, 0, + sc->sc_irq_res); + sc->sc_irq_res = NULL; + } + if (sc->sc_io_res) { + bus_release_resource(self, SYS_RES_MEMORY, 0, + sc->sc_io_res); + sc->sc_io_res = NULL; + } + usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc); + + return (0); +} + +static device_method_t ehci_obio_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, ehci_obio_probe), + DEVMETHOD(device_attach, ehci_obio_attach), + DEVMETHOD(device_detach, ehci_obio_detach), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + + DEVMETHOD_END +}; + +static driver_t ehci_obio_driver = { + .name = "ehci", + .methods = ehci_obio_methods, + .size = sizeof(ehci_softc_t), +}; + +static devclass_t ehci_obio_devclass; + +DRIVER_MODULE(ehci, obio, ehci_obio_driver, ehci_obio_devclass, 0, 0); Added: head/sys/mips/rt305x/rt305x_ohci.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/mips/rt305x/rt305x_ohci.c Thu Dec 24 18:36:08 2015 (r292702) @@ -0,0 +1,245 @@ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/*- + * Copyright (c) 2015 Stanislav Galabov. All rights reserved. + * Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved. + * Copyright (c) 2007-2008 Hans Petter Selasky. 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. + * + * 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/stdint.h> +#include <sys/stddef.h> +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/types.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <sys/module.h> +#include <sys/lock.h> +#include <sys/mutex.h> +#include <sys/condvar.h> +#include <sys/sysctl.h> +#include <sys/sx.h> +#include <sys/unistd.h> +#include <sys/callout.h> +#include <sys/malloc.h> +#include <sys/priv.h> +#include <sys/rman.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_util.h> + +#include <dev/usb/usb_controller.h> +#include <dev/usb/usb_bus.h> + +#include <dev/usb/controller/ohci.h> + +#include <mips/rt305x/rt305xreg.h> +#include <mips/rt305x/rt305x_sysctlvar.h> + +#define OHCI_HC_DEVSTR "Ralink integrated USB controller" + +static device_probe_t ohci_obio_probe; +static device_attach_t ohci_obio_attach; +static device_detach_t ohci_obio_detach; + +static int +ohci_obio_probe(device_t self) +{ + device_set_desc(self, OHCI_HC_DEVSTR); + + return (BUS_PROBE_DEFAULT); +} + +static int +ohci_obio_attach(device_t self) +{ + ohci_softc_t *sc = device_get_softc(self); + uint32_t reg; + int err; + int rid; + + /* setup controller interface softc */ + reg = rt305x_sysctl_get(SYSCTL_SYSCFG1); + reg |= SYSCTL_SYSCFG1_USB0_HOST_MODE; + rt305x_sysctl_set(SYSCTL_SYSCFG1, reg); + + reg = rt305x_sysctl_get(SYSCTL_CLKCFG1); + reg |= SYSCTL_CLKCFG1_UPHY0_CLK_EN; +#ifdef MT7620 + reg |= SYSCTL_CLKCFG1_UPHY1_CLK_EN; +#endif + rt305x_sysctl_set(SYSCTL_CLKCFG1, reg); + + reg = rt305x_sysctl_get(SYSCTL_RSTCTRL); + reg |= SYSCTL_RSTCTRL_UPHY0 | SYSCTL_RSTCTRL_UPHY1; + rt305x_sysctl_set(SYSCTL_RSTCTRL, reg); + reg &= ~(SYSCTL_RSTCTRL_UPHY0 | SYSCTL_RSTCTRL_UPHY1); + DELAY(100000); + rt305x_sysctl_set(SYSCTL_RSTCTRL, reg); + DELAY(100000); + + /* initialise some bus fields */ + sc->sc_bus.parent = self; + sc->sc_bus.devices = sc->sc_devices; + sc->sc_bus.devices_max = OHCI_MAX_DEVICES; + sc->sc_bus.dma_bits = 32; + + /* get all DMA memory */ + if (usb_bus_mem_alloc_all(&sc->sc_bus, + USB_GET_DMA_TAG(self), &ohci_iterate_hw_softc)) { + printf("No mem\n"); + return (ENOMEM); + } + + rid = 0; + sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (!sc->sc_io_res) { + device_printf(self, "Could not map memory\n"); + goto error; + } + sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); + sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); + sc->sc_io_size = rman_get_size(sc->sc_io_res); + + rid = 0; + sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, + RF_SHAREABLE | RF_ACTIVE); + if (sc->sc_irq_res == NULL) { + device_printf(self, "Could not allocate irq\n"); + goto error; + } + + sc->sc_bus.bdev = device_add_child(self, "usbus", -1); + if (!(sc->sc_bus.bdev)) { + device_printf(self, "Could not add USB device\n"); + goto error; + } + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + device_set_desc(sc->sc_bus.bdev, OHCI_HC_DEVSTR); + + sprintf(sc->sc_vendor, "Ralink"); + + err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl); + if (err) { + device_printf(self, "Could not setup irq, %d\n", err); + sc->sc_intr_hdl = NULL; + goto error; + } + + err = ohci_init(sc); + if (!err) { + err = device_probe_and_attach(sc->sc_bus.bdev); + } + if (err) { + device_printf(self, "USB init failed err=%d\n", err); + goto error; + } + return (0); + +error: + ohci_obio_detach(self); + return (ENXIO); +} + +static int +ohci_obio_detach(device_t self) +{ + ohci_softc_t *sc = device_get_softc(self); + device_t bdev; + int err; + + if (sc->sc_bus.bdev) { + bdev = sc->sc_bus.bdev; + device_detach(bdev); + device_delete_child(self, bdev); + } + /* during module unload there are lots of children leftover */ + device_delete_children(self); + + if (sc->sc_irq_res && sc->sc_intr_hdl) { + /* + * only call ohci_detach() after ohci_init() + */ + ohci_detach(sc); + + /* Stop OHCI clock */ + rt305x_sysctl_set(SYSCTL_CLKCFG1, + rt305x_sysctl_get(SYSCTL_CLKCFG1) & + ~(SYSCTL_CLKCFG1_UPHY0_CLK_EN +#ifdef MT7620 + | SYSCTL_CLKCFG1_UPHY1_CLK_EN +#endif + )); + + err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); + if (err) + device_printf(self, "Could not tear down irq, %d\n", + err); + sc->sc_intr_hdl = NULL; + } + if (sc->sc_irq_res) { + bus_release_resource(self, SYS_RES_IRQ, 0, + sc->sc_irq_res); + sc->sc_irq_res = NULL; + } + if (sc->sc_io_res) { + bus_release_resource(self, SYS_RES_MEMORY, 0, + sc->sc_io_res); + sc->sc_io_res = NULL; + } + usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc); + + return (0); +} + +static device_method_t ohci_obio_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, ohci_obio_probe), + DEVMETHOD(device_attach, ohci_obio_attach), + DEVMETHOD(device_detach, ohci_obio_detach), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + + DEVMETHOD_END +}; + +static driver_t ohci_obio_driver = { + .name = "ohci", + .methods = ohci_obio_methods, + .size = sizeof(ohci_softc_t), +}; + +static devclass_t ohci_obio_devclass; + +DRIVER_MODULE(ohci, obio, ohci_obio_driver, ohci_obio_devclass, 0, 0);
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