tegra_ehci.c revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: tegra_ehci.c,v 1.1.2.2 2015/04/06 15:17:53 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /*- 4 1.1.2.2 skrll * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 skrll * modification, are permitted provided that the following conditions 9 1.1.2.2 skrll * are met: 10 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.1.2.2 skrll * 16 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1.2.2 skrll * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1.2.2 skrll * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1.2.2 skrll * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1.2.2 skrll * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 skrll * SUCH DAMAGE. 27 1.1.2.2 skrll */ 28 1.1.2.2 skrll 29 1.1.2.2 skrll #include "locators.h" 30 1.1.2.2 skrll 31 1.1.2.2 skrll #include <sys/cdefs.h> 32 1.1.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: tegra_ehci.c,v 1.1.2.2 2015/04/06 15:17:53 skrll Exp $"); 33 1.1.2.2 skrll 34 1.1.2.2 skrll #include <sys/param.h> 35 1.1.2.2 skrll #include <sys/bus.h> 36 1.1.2.2 skrll #include <sys/device.h> 37 1.1.2.2 skrll #include <sys/intr.h> 38 1.1.2.2 skrll #include <sys/systm.h> 39 1.1.2.2 skrll #include <sys/kernel.h> 40 1.1.2.2 skrll 41 1.1.2.2 skrll #include <dev/usb/usb.h> 42 1.1.2.2 skrll #include <dev/usb/usbdi.h> 43 1.1.2.2 skrll #include <dev/usb/usbdivar.h> 44 1.1.2.2 skrll #include <dev/usb/usb_mem.h> 45 1.1.2.2 skrll #include <dev/usb/ehcireg.h> 46 1.1.2.2 skrll #include <dev/usb/ehcivar.h> 47 1.1.2.2 skrll 48 1.1.2.2 skrll #include <arm/nvidia/tegra_var.h> 49 1.1.2.2 skrll 50 1.1.2.2 skrll static int tegra_ehci_match(device_t, cfdata_t, void *); 51 1.1.2.2 skrll static void tegra_ehci_attach(device_t, device_t, void *); 52 1.1.2.2 skrll 53 1.1.2.2 skrll struct tegra_ehci_softc { 54 1.1.2.2 skrll struct ehci_softc sc; 55 1.1.2.2 skrll void *sc_ih; 56 1.1.2.2 skrll }; 57 1.1.2.2 skrll 58 1.1.2.2 skrll CFATTACH_DECL2_NEW(tegra_ehci, sizeof(struct tegra_ehci_softc), 59 1.1.2.2 skrll tegra_ehci_match, tegra_ehci_attach, NULL, 60 1.1.2.2 skrll ehci_activate, NULL, ehci_childdet); 61 1.1.2.2 skrll 62 1.1.2.2 skrll static int 63 1.1.2.2 skrll tegra_ehci_match(device_t parent, cfdata_t cf, void *aux) 64 1.1.2.2 skrll { 65 1.1.2.2 skrll return 1; 66 1.1.2.2 skrll } 67 1.1.2.2 skrll 68 1.1.2.2 skrll static void 69 1.1.2.2 skrll tegra_ehci_attach(device_t parent, device_t self, void *aux) 70 1.1.2.2 skrll { 71 1.1.2.2 skrll struct tegra_ehci_softc * const sc = device_private(self); 72 1.1.2.2 skrll struct tegraio_attach_args * const tio = aux; 73 1.1.2.2 skrll const struct tegra_locators * const loc = &tio->tio_loc; 74 1.1.2.2 skrll int error; 75 1.1.2.2 skrll 76 1.1.2.2 skrll sc->sc.sc_dev = self; 77 1.1.2.2 skrll sc->sc.sc_bus.ub_hcpriv = &sc->sc; 78 1.1.2.2 skrll sc->sc.sc_bus.ub_dmatag = tio->tio_dmat; 79 1.1.2.2 skrll sc->sc.sc_bus.ub_revision = USBREV_2_0; 80 1.1.2.2 skrll sc->sc.sc_flags = EHCIF_ETTF; 81 1.1.2.2 skrll sc->sc.sc_id_vendor = 0x10de; 82 1.1.2.2 skrll strlcpy(sc->sc.sc_vendor, "Tegra", sizeof(sc->sc.sc_vendor)); 83 1.1.2.2 skrll sc->sc.sc_size = loc->loc_size; 84 1.1.2.2 skrll sc->sc.iot = tio->tio_bst; 85 1.1.2.2 skrll bus_space_subregion(tio->tio_bst, tio->tio_bsh, 86 1.1.2.2 skrll loc->loc_offset, loc->loc_size, &sc->sc.ioh); 87 1.1.2.2 skrll 88 1.1.2.2 skrll aprint_naive("\n"); 89 1.1.2.2 skrll aprint_normal(": USB%d\n", loc->loc_port + 1); 90 1.1.2.2 skrll 91 1.1.2.2 skrll sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH); 92 1.1.2.2 skrll 93 1.1.2.2 skrll sc->sc_ih = intr_establish(loc->loc_intr, IPL_USB, IST_LEVEL, 94 1.1.2.2 skrll ehci_intr, &sc->sc); 95 1.1.2.2 skrll if (sc->sc_ih == NULL) { 96 1.1.2.2 skrll aprint_error_dev(self, "couldn't establish interrupt %d\n", 97 1.1.2.2 skrll loc->loc_intr); 98 1.1.2.2 skrll return; 99 1.1.2.2 skrll } 100 1.1.2.2 skrll aprint_normal_dev(self, "interrupting on irq %d\n", loc->loc_intr); 101 1.1.2.2 skrll 102 1.1.2.2 skrll error = ehci_init(&sc->sc); 103 1.1.2.2 skrll if (error) { 104 1.1.2.2 skrll aprint_error_dev(self, "init failed, error = %d\n", error); 105 1.1.2.2 skrll return; 106 1.1.2.2 skrll } 107 1.1.2.2 skrll 108 1.1.2.2 skrll sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint); 109 1.1.2.2 skrll } 110
Indexes created Wed Oct 22 06:10:02 GMT 2025