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 | |