279 lines
6.9 KiB
C
279 lines
6.9 KiB
C
/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (augustss@carlstedt.se) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_bus.h"
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/linker_set.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/controller/ehci.h>
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#include <dev/usb/controller/ehcireg.h>
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#include <mips/rmi/pic.h>
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static int ehci_xls_attach(device_t self);
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static int ehci_xls_detach(device_t self);
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static int ehci_xls_shutdown(device_t self);
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static int ehci_xls_suspend(device_t self);
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static int ehci_xls_resume(device_t self);
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static int
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ehci_xls_suspend(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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int err;
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err = bus_generic_suspend(self);
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if (err)
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return (err);
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ehci_suspend(sc);
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return (0);
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}
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static int
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ehci_xls_resume(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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ehci_resume(sc);
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bus_generic_resume(self);
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return (0);
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}
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static int
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ehci_xls_shutdown(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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int err;
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err = bus_generic_shutdown(self);
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if (err)
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return (err);
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ehci_shutdown(sc);
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return (0);
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}
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static const char *xlr_usb_dev_desc = "RMI XLR USB 2.0 controller";
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static const char *xlr_vendor_desc = "RMI Corp";
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static int
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ehci_xls_probe(device_t self)
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{
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/* TODO see if usb is enabled on the board */
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device_set_desc(self, xlr_usb_dev_desc);
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return BUS_PROBE_DEFAULT;
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}
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static int
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ehci_xls_attach(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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int err;
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int rid;
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sc->sc_bus.parent = self;
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sc->sc_bus.devices = sc->sc_devices;
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sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_bus,
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USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
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return (ENOMEM);
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}
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rid = 0;
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sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
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RF_ACTIVE);
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if (!sc->sc_io_res) {
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device_printf(self, "Could not map memory\n");
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goto error;
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}
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sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
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sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
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printf("IO Resource tag %lx, hdl %lx, size %lx\n",
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(u_long)sc->sc_io_tag, (u_long)sc->sc_io_hdl,
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(u_long)sc->sc_io_size);
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rid = 0;
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sc->sc_irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid,
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PIC_USB_IRQ, PIC_USB_IRQ, 1, RF_SHAREABLE | RF_ACTIVE);
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if (sc->sc_irq_res == NULL) {
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device_printf(self, "Could not allocate irq\n");
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goto error;
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}
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sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
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if (!sc->sc_bus.bdev) {
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device_printf(self, "Could not add USB device\n");
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goto error;
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}
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device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
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device_set_desc(sc->sc_bus.bdev, xlr_usb_dev_desc);
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sprintf(sc->sc_vendor, xlr_vendor_desc);
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err = bus_setup_intr(self, sc->sc_irq_res,
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INTR_TYPE_BIO | INTR_MPSAFE, NULL,
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(driver_intr_t *) ehci_interrupt, sc, &sc->sc_intr_hdl);
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if (err) {
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device_printf(self, "Could not setup irq, %d\n", err);
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sc->sc_intr_hdl = NULL;
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goto error;
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}
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err = ehci_init(sc);
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if (err) {
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device_printf(self, "USB init failed err=%d\n", err);
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goto error;
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}
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err = device_probe_and_attach(sc->sc_bus.bdev);
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if (err) {
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device_printf(self, "USB probe and attach failed err=%d\n", err);
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goto error;
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}
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return (0);
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error:
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ehci_xls_detach(self);
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return (ENXIO);
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}
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static int
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ehci_xls_detach(device_t self)
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{
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ehci_softc_t *sc = device_get_softc(self);
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device_t bdev;
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int err;
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if (sc->sc_bus.bdev) {
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bdev = sc->sc_bus.bdev;
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device_detach(bdev);
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device_delete_child(self, bdev);
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}
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/* during module unload there are lots of children leftover */
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device_delete_all_children(self);
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/*
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* disable interrupts that might have been switched on in ehci_init
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*/
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if (sc->sc_io_res) {
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EWRITE4(sc, EHCI_USBINTR, 0);
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}
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if (sc->sc_irq_res && sc->sc_intr_hdl) {
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ehci_detach(sc);
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err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
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if (err)
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device_printf(self, "Could not tear down irq, %d\n",
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err);
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sc->sc_intr_hdl = 0;
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}
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if (sc->sc_irq_res) {
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bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
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sc->sc_irq_res = NULL;
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}
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if (sc->sc_io_res) {
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bus_release_resource(self, SYS_RES_MEMORY, 0,
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sc->sc_io_res);
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sc->sc_io_res = NULL;
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sc->sc_io_tag = 0;
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sc->sc_io_hdl = 0;
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}
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usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
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return (0);
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}
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static device_method_t ehci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ehci_xls_probe),
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DEVMETHOD(device_attach, ehci_xls_attach),
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DEVMETHOD(device_detach, ehci_xls_detach),
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DEVMETHOD(device_suspend, ehci_xls_suspend),
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DEVMETHOD(device_resume, ehci_xls_resume),
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DEVMETHOD(device_shutdown, ehci_xls_shutdown),
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/* Bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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{0, 0}
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};
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static driver_t ehci_driver = {
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"ehci",
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ehci_methods,
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sizeof(struct ehci_softc),
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};
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static devclass_t ehci_devclass;
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DRIVER_MODULE(ehci, iodi, ehci_driver, ehci_devclass, 0, 0);
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MODULE_DEPEND(ehci, usb, 1, 1, 1);
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