1/* $FreeBSD$ */ 2/*- 3 * Copyright (c) 2014 Hans Petter Selasky <hselasky@FreeBSD.org> 4 * All rights reserved. 5 * 6 * This software was developed by SRI International and the University of 7 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 8 * ("CTSRD"), as part of the DARPA CRASH research programme. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include USB_GLOBAL_INCLUDE_FILE 33 34#include <dev/usb/controller/saf1761_otg.h> 35#include <dev/usb/controller/saf1761_otg_reg.h> 36 37static device_probe_t saf1761_otg_fdt_probe; 38static device_attach_t saf1761_otg_fdt_attach; 39static device_detach_t saf1761_otg_fdt_detach; 40 41static device_method_t saf1761_otg_methods[] = { 42 /* Device interface */ 43 DEVMETHOD(device_probe, saf1761_otg_fdt_probe), 44 DEVMETHOD(device_attach, saf1761_otg_fdt_attach), 45 DEVMETHOD(device_detach, saf1761_otg_fdt_detach), 46 DEVMETHOD(device_suspend, bus_generic_suspend), 47 DEVMETHOD(device_resume, bus_generic_resume), 48 DEVMETHOD(device_shutdown, bus_generic_shutdown), 49 50 DEVMETHOD_END 51}; 52 53static driver_t saf1761_otg_driver = { 54 .name = "saf1761otg", 55 .methods = saf1761_otg_methods, 56 .size = sizeof(struct saf1761_otg_softc), 57}; 58 59static devclass_t saf1761_otg_devclass; 60 61DRIVER_MODULE(saf1761otg, pci, saf1761_otg_driver, saf1761_otg_devclass, 0, 0); 62MODULE_DEPEND(saf1761otg, usb, 1, 1, 1); 63 64static int 65saf1761_otg_fdt_probe(device_t dev) 66{ 67 if (device_get_unit(dev) != 0) 68 return (ENXIO); 69 70 device_set_desc(dev, "ISP1761/SAF1761 DCI USB 2.0 Device Controller"); 71 72 return (0); 73} 74 75static int 76saf1761_otg_fdt_attach(device_t dev) 77{ 78 struct saf1761_otg_softc *sc = device_get_softc(dev); 79 int err; 80 81 /* 32-bit data bus */ 82 sc->sc_hw_mode |= SOTG_HW_MODE_CTRL_DATA_BUS_WIDTH; 83 84 /* initialise some bus fields */ 85 sc->sc_bus.parent = dev; 86 sc->sc_bus.devices = sc->sc_devices; 87 sc->sc_bus.devices_max = SOTG_MAX_DEVICES; 88 sc->sc_bus.dma_bits = 32; 89 90 /* get all DMA memory */ 91 if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(dev), NULL)) 92 return (ENOMEM); 93 94 sc->sc_io_res = (void *)1; 95 sc->sc_io_tag = (void *)1; 96 sc->sc_io_hdl = (void *)USB_PCI_MEMORY_ADDRESS; 97 sc->sc_io_size = USB_PCI_MEMORY_SIZE; 98 99 sc->sc_bus.bdev = device_add_child(dev, "usbus", -1); 100 if (sc->sc_bus.bdev == NULL) 101 goto error; 102 103 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); 104 device_set_interrupt(dev, &saf1761_otg_filter_interrupt, &saf1761_otg_interrupt, sc); 105 106 err = saf1761_otg_init(sc); 107 if (err) { 108 device_printf(dev, "Init failed\n"); 109 goto error; 110 } 111 err = device_probe_and_attach(sc->sc_bus.bdev); 112 if (err) { 113 device_printf(dev, "USB probe and attach failed\n"); 114 goto error; 115 } 116 return (0); 117 118error: 119 saf1761_otg_fdt_detach(dev); 120 return (ENXIO); 121} 122 123static int 124saf1761_otg_fdt_detach(device_t dev) 125{ 126 struct saf1761_otg_softc *sc = device_get_softc(dev); 127 128 /* during module unload there are lots of children leftover */ 129 device_delete_children(dev); 130 131 if (sc->sc_irq_res) { 132 /* 133 * Only call uninit() after init() 134 */ 135 saf1761_otg_uninit(sc); 136 } 137 usb_bus_mem_free_all(&sc->sc_bus, NULL); 138 139 return (0); 140} 141