| 1 | /* $NetBSD: auvitek_audio.c,v 1.2 2016/04/23 10:15:31 skrll Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca> |
| 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 | /* |
| 30 | * Auvitek AU0828 USB controller - audio support |
| 31 | */ |
| 32 | |
| 33 | #include <sys/cdefs.h> |
| 34 | __KERNEL_RCSID(0, "$NetBSD: auvitek_audio.c,v 1.2 2016/04/23 10:15:31 skrll Exp $" ); |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/device.h> |
| 39 | #include <sys/conf.h> |
| 40 | #include <sys/bus.h> |
| 41 | #include <sys/kmem.h> |
| 42 | |
| 43 | #include <dev/usb/usb.h> |
| 44 | #include <dev/usb/usbdi.h> |
| 45 | #include <dev/usb/usbdivar.h> |
| 46 | #include <dev/usb/usbdi_util.h> |
| 47 | #include <dev/usb/usbdevs.h> |
| 48 | |
| 49 | #include <dev/usb/auvitekreg.h> |
| 50 | #include <dev/usb/auvitekvar.h> |
| 51 | |
| 52 | #include "locators.h" |
| 53 | |
| 54 | static int auvitek_ifprint(void *, const char *); |
| 55 | |
| 56 | int |
| 57 | auvitek_audio_attach(struct auvitek_softc *sc) |
| 58 | { |
| 59 | struct usbif_attach_arg uiaa; |
| 60 | struct usbd_device *udev = sc->sc_udev; |
| 61 | usb_device_descriptor_t *dd = &udev->ud_ddesc; |
| 62 | struct usbd_interface **ifaces; |
| 63 | int ilocs[USBIFIFCF_NLOCS], nifaces, i; |
| 64 | |
| 65 | nifaces = udev->ud_cdesc->bNumInterface; |
| 66 | ifaces = kmem_zalloc(nifaces * sizeof(*ifaces), KM_SLEEP); |
| 67 | if (ifaces == NULL) { |
| 68 | aprint_error_dev(sc->sc_dev, "audio attach: no memory\n" ); |
| 69 | return ENOMEM; |
| 70 | } |
| 71 | for (i = 0; i < nifaces; i++) { |
| 72 | ifaces[i] = &udev->ud_ifaces[i]; |
| 73 | } |
| 74 | |
| 75 | uiaa.uiaa_device = udev; |
| 76 | uiaa.uiaa_port = sc->sc_uport; |
| 77 | uiaa.uiaa_vendor = UGETW(dd->idVendor); |
| 78 | uiaa.uiaa_product = UGETW(dd->idProduct); |
| 79 | uiaa.uiaa_release = UGETW(dd->bcdDevice); |
| 80 | uiaa.uiaa_configno = udev->ud_cdesc->bConfigurationValue; |
| 81 | uiaa.uiaa_ifaces = ifaces; |
| 82 | uiaa.uiaa_nifaces = nifaces; |
| 83 | ilocs[USBIFIFCF_PORT] = uiaa.uiaa_port; |
| 84 | ilocs[USBIFIFCF_VENDOR] = uiaa.uiaa_vendor; |
| 85 | ilocs[USBIFIFCF_PRODUCT] = uiaa.uiaa_product; |
| 86 | ilocs[USBIFIFCF_RELEASE] = uiaa.uiaa_release; |
| 87 | ilocs[USBIFIFCF_CONFIGURATION] = uiaa.uiaa_configno; |
| 88 | |
| 89 | for (i = 0; i < nifaces; i++) { |
| 90 | if (!ifaces[i]) |
| 91 | continue; |
| 92 | uiaa.uiaa_class = ifaces[i]->ui_idesc->bInterfaceClass; |
| 93 | uiaa.uiaa_subclass = ifaces[i]->ui_idesc->bInterfaceSubClass; |
| 94 | if (uiaa.uiaa_class != UICLASS_AUDIO) |
| 95 | continue; |
| 96 | if (uiaa.uiaa_subclass != UISUBCLASS_AUDIOCONTROL) |
| 97 | continue; |
| 98 | uiaa.uiaa_iface = ifaces[i]; |
| 99 | uiaa.uiaa_proto = ifaces[i]->ui_idesc->bInterfaceProtocol; |
| 100 | uiaa.uiaa_ifaceno = ifaces[i]->ui_idesc->bInterfaceNumber; |
| 101 | ilocs[USBIFIFCF_INTERFACE] = uiaa.uiaa_ifaceno; |
| 102 | sc->sc_audiodev = config_found_sm_loc(sc->sc_dev, "usbifif" , |
| 103 | ilocs, &uiaa, auvitek_ifprint, config_stdsubmatch); |
| 104 | if (sc->sc_audiodev) |
| 105 | break; |
| 106 | } |
| 107 | |
| 108 | kmem_free(ifaces, nifaces * sizeof(*ifaces)); |
| 109 | |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | int |
| 114 | auvitek_audio_detach(struct auvitek_softc *sc, int flags) |
| 115 | { |
| 116 | if (sc->sc_audiodev != NULL) { |
| 117 | config_detach(sc->sc_audiodev, flags); |
| 118 | sc->sc_audiodev = NULL; |
| 119 | } |
| 120 | |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | void |
| 125 | auvitek_audio_childdet(struct auvitek_softc *sc, device_t child) |
| 126 | { |
| 127 | if (sc->sc_audiodev == child) |
| 128 | sc->sc_audiodev = NULL; |
| 129 | } |
| 130 | |
| 131 | static int |
| 132 | auvitek_ifprint(void *opaque, const char *pnp) |
| 133 | { |
| 134 | struct usbif_attach_arg *uiaa = opaque; |
| 135 | |
| 136 | if (pnp) |
| 137 | return QUIET; |
| 138 | |
| 139 | aprint_normal(" port %d" , uiaa->uiaa_port); |
| 140 | aprint_normal(" configuration %d" , uiaa->uiaa_configno); |
| 141 | aprint_normal(" interface %d" , uiaa->uiaa_ifaceno); |
| 142 | |
| 143 | return UNCONF; |
| 144 | } |
| 145 | |