auvitek.c revision 1.3 1 /* $NetBSD: auvitek.c,v 1.3 2010/12/28 04:02:33 jmcneill Exp $ */
2
3 /*-
4 * Copyright (c) 2010 Jared D. McNeill <jmcneill (at) 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
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: auvitek.c,v 1.3 2010/12/28 04:02:33 jmcneill Exp $");
35
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/device.h>
40 #include <sys/conf.h>
41 #include <sys/bus.h>
42 #include <sys/module.h>
43
44 #include <dev/usb/usb.h>
45 #include <dev/usb/usbdi.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 static int auvitek_match(device_t, cfdata_t, void *);
53 static void auvitek_attach(device_t, device_t, void *);
54 static int auvitek_detach(device_t, int);
55 static void auvitek_childdet(device_t, device_t);
56 static int auvitek_activate(device_t, enum devact);
57
58 CFATTACH_DECL2_NEW(auvitek, sizeof(struct auvitek_softc),
59 auvitek_match, auvitek_attach, auvitek_detach, auvitek_activate,
60 NULL, auvitek_childdet);
61
62 static const struct {
63 uint16_t vendor;
64 uint16_t product;
65 const char * name;
66 enum auvitek_board board;
67 } auvitek_devices[] = {
68 { 0x2040, 0x7200,
69 "WinTV HVR-950Q", AUVITEK_BOARD_HVR_950Q },
70 { 0x2040, 0x7240,
71 "WinTV HVR-850", AUVITEK_BOARD_HVR_850 },
72 };
73
74 static int
75 auvitek_match(device_t parent, cfdata_t match, void *opaque)
76 {
77 struct usb_attach_arg *uaa = opaque;
78 unsigned int i;
79
80 for (i = 0; i < __arraycount(auvitek_devices); i++) {
81 if (auvitek_devices[i].vendor == uaa->vendor &&
82 auvitek_devices[i].product == uaa->product)
83 return UMATCH_VENDOR_PRODUCT;
84 }
85
86 return UMATCH_NONE;
87 }
88
89 static void
90 auvitek_attach(device_t parent, device_t self, void *opaque)
91 {
92 struct auvitek_softc *sc = device_private(self);
93 struct usb_attach_arg *uaa = opaque;
94 usbd_device_handle dev = uaa->device;
95 usb_endpoint_descriptor_t *ed;
96 usbd_status err;
97 unsigned int i;
98 uint8_t nep;
99
100 aprint_naive("\n");
101 aprint_normal(": AU0828\n");
102
103 sc->sc_dev = self;
104 sc->sc_udev = dev;
105 sc->sc_uport = uaa->port;
106
107 for (i = 0; i < __arraycount(auvitek_devices); i++) {
108 if (auvitek_devices[i].vendor == uaa->vendor &&
109 auvitek_devices[i].product == uaa->product)
110 break;
111 }
112 KASSERT(i != __arraycount(auvitek_devices));
113 sc->sc_descr = auvitek_devices[i].name;
114 sc->sc_board = auvitek_devices[i].board;
115
116 sc->sc_dying = sc->sc_running = 0;
117
118 mutex_init(&sc->sc_subdev_lock, MUTEX_DEFAULT, IPL_VM);
119
120 err = usbd_set_config_index(dev, 0, 1);
121 if (err) {
122 aprint_error_dev(self, "couldn't set config index: %s\n",
123 usbd_errstr(err));
124 return;
125 }
126 err = usbd_device2interface_handle(dev, 0, &sc->sc_iface);
127 if (err) {
128 aprint_error_dev(self, "couldn't get interface handle: %s\n",
129 usbd_errstr(err));
130 return;
131 }
132
133 err = usbd_set_interface(sc->sc_iface, AUVITEK_XFER_ALTNO);
134 if (err) {
135 aprint_error_dev(self, "couldn't set interface: %s\n",
136 usbd_errstr(err));
137 return;
138 }
139
140 nep = 0;
141 usbd_endpoint_count(sc->sc_iface, &nep);
142 sc->sc_ax.ax_sc = sc;
143 sc->sc_ax.ax_endpt = -1;
144 for (i = 0; i < nep; i++) {
145 int dir, type;
146
147 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
148 if (ed == NULL) {
149 aprint_error_dev(self,
150 "couldn't read endpoint descriptor %d\n", i);
151 continue;
152 }
153
154 dir = UE_GET_DIR(ed->bEndpointAddress);
155 type = UE_GET_XFERTYPE(ed->bmAttributes);
156
157 if (dir == UE_DIR_IN && type == UE_ISOCHRONOUS) {
158 sc->sc_ax.ax_endpt = ed->bEndpointAddress;
159 sc->sc_ax.ax_maxpktlen =
160 UE_GET_SIZE(UGETW(ed->wMaxPacketSize)) *
161 (UE_GET_TRANS(UGETW(ed->wMaxPacketSize)) + 1);
162 break;
163 }
164 }
165 err = usbd_set_interface(sc->sc_iface, 0);
166 if (err) {
167 aprint_error_dev(self, "couldn't set interface: %s\n",
168 usbd_errstr(err));
169 sc->sc_dying = 1;
170 return;
171 }
172 if (sc->sc_ax.ax_endpt == -1) {
173 aprint_error_dev(self, "couldn't find isoc endpoint\n");
174 sc->sc_dying = 1;
175 return;
176 }
177 if (sc->sc_ax.ax_maxpktlen == 0) {
178 aprint_error_dev(self, "couldn't determine packet length\n");
179 sc->sc_dying = 1;
180 return;
181 }
182
183 aprint_debug_dev(self, "isoc endpoint 0x%02x size %d\n",
184 sc->sc_ax.ax_endpt, sc->sc_ax.ax_maxpktlen);
185
186 auvitek_board_init(sc);
187
188 auvitek_i2c_attach(sc);
189
190 sc->sc_au8522 = au8522_open(self, &sc->sc_i2c, 0x8e >> 1);
191 if (sc->sc_au8522 == NULL) {
192 aprint_error_dev(sc->sc_dev, "couldn't initialize decoder\n");
193 sc->sc_dying = 1;
194 return;
195 }
196
197 auvitek_video_attach(sc);
198 auvitek_audio_attach(sc);
199 }
200
201 static int
202 auvitek_detach(device_t self, int flags)
203 {
204 struct auvitek_softc *sc = device_private(self);
205
206 sc->sc_dying = 1;
207
208 pmf_device_deregister(self);
209
210 auvitek_audio_detach(sc, flags);
211 auvitek_video_detach(sc, flags);
212
213 if (sc->sc_xc5k)
214 xc5k_close(sc->sc_xc5k);
215 if (sc->sc_au8522)
216 au8522_close(sc->sc_au8522);
217
218 auvitek_i2c_detach(sc, flags);
219
220 mutex_destroy(&sc->sc_subdev_lock);
221
222 return 0;
223 }
224
225 int
226 auvitek_activate(device_t self, enum devact act)
227 {
228 struct auvitek_softc *sc = device_private(self);
229
230 switch (act) {
231 case DVACT_DEACTIVATE:
232 sc->sc_dying = 1;
233 return 0;
234 default:
235 return 0;
236 }
237 }
238
239 static void
240 auvitek_childdet(device_t self, device_t child)
241 {
242 struct auvitek_softc *sc = device_private(self);
243
244 auvitek_video_childdet(sc, child);
245 }
246
247 uint8_t
248 auvitek_read_1(struct auvitek_softc *sc, uint16_t reg)
249 {
250 usb_device_request_t req;
251 usbd_status err;
252 int actlen;
253 uint8_t data;
254
255 req.bmRequestType = UT_READ_VENDOR_DEVICE;
256 req.bRequest = AU0828_CMD_REQUEST_IN;
257 USETW(req.wValue, 0);
258 USETW(req.wIndex, reg);
259 USETW(req.wLength, sizeof(data));
260
261 err = usbd_do_request_flags(sc->sc_udev, &req, &data, 0,
262 &actlen, USBD_DEFAULT_TIMEOUT);
263 if (err)
264 printf("%s: read failed: %s\n", device_xname(sc->sc_dev),
265 usbd_errstr(err));
266
267 return data;
268 }
269
270 void
271 auvitek_write_1(struct auvitek_softc *sc, uint16_t reg, uint8_t data)
272 {
273 usb_device_request_t req;
274 usbd_status err;
275 int actlen;
276
277 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
278 req.bRequest = AU0828_CMD_REQUEST_OUT;
279 USETW(req.wValue, data);
280 USETW(req.wIndex, reg);
281 USETW(req.wLength, 0);
282
283 err = usbd_do_request_flags(sc->sc_udev, &req, NULL, 0,
284 &actlen, USBD_DEFAULT_TIMEOUT);
285 if (err)
286 printf("%s: write failed: %s\n", device_xname(sc->sc_dev),
287 usbd_errstr(err));
288 }
289
290 MODULE(MODULE_CLASS_DRIVER, auvitek, "au8522,xc5k");
291
292 #ifdef _MODULE
293 #include "ioconf.c"
294 #endif
295
296 static int
297 auvitek_modcmd(modcmd_t cmd, void *opaque)
298 {
299 switch (cmd) {
300 case MODULE_CMD_INIT:
301 #ifdef _MODULE
302 return config_init_component(cfdriver_ioconf_auvitek,
303 cfattach_ioconf_auvitek, cfdata_ioconf_auvitek);
304 #else
305 return 0;
306 #endif
307 case MODULE_CMD_FINI:
308 #ifdef _MODULE
309 return config_fini_component(cfdriver_ioconf_auvitek,
310 cfattach_ioconf_auvitek, cfdata_ioconf_auvitek);
311 #else
312 return 0;
313 #endif
314 default:
315 return ENOTTY;
316 }
317 }
318