1 /* $NetBSD: ingenic_ohci.c,v 1.5 2018/04/09 16:21:10 jakllsch Exp $ */ 2 3 /*- 4 * Copyright (c) 2015 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: ingenic_ohci.c,v 1.5 2018/04/09 16:21:10 jakllsch Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 #include <sys/mutex.h> 36 #include <sys/bus.h> 37 #include <sys/workqueue.h> 38 39 #include <mips/ingenic/ingenic_var.h> 40 #include <mips/ingenic/ingenic_regs.h> 41 42 #include <dev/usb/usb.h> 43 #include <dev/usb/usbdi.h> 44 #include <dev/usb/usbdivar.h> 45 #include <dev/usb/usb_mem.h> 46 #include <dev/usb/usbdevs.h> 47 48 #include <dev/usb/ohcireg.h> 49 #include <dev/usb/ohcivar.h> 50 51 #include "opt_ingenic.h" 52 53 static int ingenic_ohci_match(device_t, struct cfdata *, void *); 54 static void ingenic_ohci_attach(device_t, device_t, void *); 55 56 CFATTACH_DECL_NEW(ingenic_ohci, sizeof(struct ohci_softc), 57 ingenic_ohci_match, ingenic_ohci_attach, NULL, NULL); 58 59 device_t ingenic_ohci = NULL; 60 61 /* ARGSUSED */ 62 static int 63 ingenic_ohci_match(device_t parent, struct cfdata *match, void *aux) 64 { 65 struct apbus_attach_args *aa = aux; 66 67 if (strcmp(aa->aa_name, "ohci") != 0) 68 return 0; 69 70 return 1; 71 } 72 73 /* ARGSUSED */ 74 static void 75 ingenic_ohci_attach(device_t parent, device_t self, void *aux) 76 { 77 struct ohci_softc *sc = device_private(self); 78 struct apbus_attach_args *aa = aux; 79 void *ih; 80 int error; 81 82 sc->sc_dev = self; 83 84 sc->iot = aa->aa_bst; 85 sc->sc_bus.ub_dmatag = aa->aa_dmat; 86 sc->sc_bus.ub_hcpriv = sc; 87 sc->sc_size = 0x1000; 88 89 if (aa->aa_addr == 0) 90 aa->aa_addr = JZ_OHCI_BASE; 91 92 error = bus_space_map(aa->aa_bst, aa->aa_addr, 0x1000, 0, &sc->ioh); 93 if (error) { 94 aprint_error_dev(self, 95 "can't map registers for %s: %d\n", aa->aa_name, error); 96 return; 97 } 98 99 aprint_naive(": OHCI USB controller\n"); 100 aprint_normal(": OHCI USB controller\n"); 101 102 /* Disable OHCI interrupts */ 103 bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE, 104 OHCI_ALL_INTRS); 105 106 ih = evbmips_intr_establish(aa->aa_irq, ohci_intr, sc); 107 108 if (ih == NULL) { 109 aprint_error_dev(self, "failed to establish interrupt %d\n", 110 aa->aa_irq); 111 goto fail; 112 } 113 114 sc->sc_endian = OHCI_LITTLE_ENDIAN; 115 116 error = ohci_init(sc); 117 if (error) { 118 aprint_error_dev(self, "init failed, error=%d\n", error); 119 goto fail; 120 } 121 122 /* Attach USB device */ 123 sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint); 124 ingenic_ohci = self; 125 return; 126 127 fail: 128 if (ih) { 129 evbmips_intr_disestablish(ih); 130 } 131 bus_space_unmap(sc->iot, sc->ioh, 0x1000); 132 } 133