1 /* $NetBSD: auvitek.c,v 1.13 2022/03/13 12:49:36 riastradh 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
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: auvitek.c,v 1.13 2022/03/13 12:49:36 riastradh 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 int auvitek_rescan(device_t, const char *, const int *);
56 static void auvitek_childdet(device_t, device_t);
57 static int auvitek_activate(device_t, enum devact);
58
59 CFATTACH_DECL2_NEW(auvitek, sizeof(struct auvitek_softc),
60 auvitek_match, auvitek_attach, auvitek_detach, auvitek_activate,
61 auvitek_rescan, auvitek_childdet);
62
63 static const struct {
64 uint16_t vendor;
65 uint16_t product;
66 const char * name;
67 enum auvitek_board board;
68 } auvitek_devices[] = {
69 { 0x2040, 0x7200,
70 "WinTV HVR-950Q", AUVITEK_BOARD_HVR_950Q },
71 { 0x2040, 0x7240,
72 "WinTV HVR-850", AUVITEK_BOARD_HVR_850 },
73 };
74
75 static int
auvitek_match(device_t parent,cfdata_t match,void * opaque)76 auvitek_match(device_t parent, cfdata_t match, void *opaque)
77 {
78 struct usb_attach_arg *uaa = opaque;
79 unsigned int i;
80
81 for (i = 0; i < __arraycount(auvitek_devices); i++) {
82 if (auvitek_devices[i].vendor == uaa->uaa_vendor &&
83 auvitek_devices[i].product == uaa->uaa_product)
84 return UMATCH_VENDOR_PRODUCT;
85 }
86
87 return UMATCH_NONE;
88 }
89
90 static void
auvitek_attach(device_t parent,device_t self,void * opaque)91 auvitek_attach(device_t parent, device_t self, void *opaque)
92 {
93 struct auvitek_softc *sc = device_private(self);
94 struct usb_attach_arg *uaa = opaque;
95 struct usbd_device *dev = uaa->uaa_device;
96 usb_endpoint_descriptor_t *ed;
97 usbd_status err;
98 unsigned int i;
99 uint8_t nep;
100
101 aprint_naive("\n");
102 aprint_normal(": AU0828\n");
103
104 sc->sc_dev = self;
105 sc->sc_udev = dev;
106 sc->sc_uport = uaa->uaa_port;
107
108 for (i = 0; i < __arraycount(auvitek_devices); i++) {
109 if (auvitek_devices[i].vendor == uaa->uaa_vendor &&
110 auvitek_devices[i].product == uaa->uaa_product)
111 break;
112 }
113 KASSERT(i != __arraycount(auvitek_devices));
114 sc->sc_descr = auvitek_devices[i].name;
115 sc->sc_board = auvitek_devices[i].board;
116
117 sc->sc_dying = sc->sc_running = 0;
118
119 mutex_init(&sc->sc_subdev_lock, MUTEX_DEFAULT, IPL_NONE);
120
121 err = usbd_set_config_index(dev, 0, 1);
122 if (err) {
123 aprint_error_dev(self, "couldn't set config index: %s\n",
124 usbd_errstr(err));
125 return;
126 }
127 err = usbd_device2interface_handle(dev, 0, &sc->sc_isoc_iface);
128 if (err) {
129 aprint_error_dev(self, "couldn't get interface handle: %s\n",
130 usbd_errstr(err));
131 return;
132 }
133 err = usbd_device2interface_handle(dev, 3, &sc->sc_bulk_iface);
134 if (err) {
135 aprint_error_dev(self, "couldn't get interface handle: %s\n",
136 usbd_errstr(err));
137 return;
138 }
139
140 sc->sc_ax.ax_sc = sc->sc_ab.ab_sc = sc;
141 sc->sc_ax.ax_endpt = sc->sc_ab.ab_endpt = -1;
142
143 err = usbd_set_interface(sc->sc_isoc_iface, AUVITEK_XFER_ALTNO);
144 if (err) {
145 aprint_error_dev(self, "couldn't set interface: %s\n",
146 usbd_errstr(err));
147 return;
148 }
149
150 nep = 0;
151 usbd_endpoint_count(sc->sc_isoc_iface, &nep);
152 for (i = 0; i < nep; i++) {
153 int dir, type;
154
155 ed = usbd_interface2endpoint_descriptor(sc->sc_isoc_iface, i);
156 if (ed == NULL) {
157 aprint_error_dev(self,
158 "couldn't read endpoint descriptor %d\n", i);
159 continue;
160 }
161
162 dir = UE_GET_DIR(ed->bEndpointAddress);
163 type = UE_GET_XFERTYPE(ed->bmAttributes);
164
165 if (dir == UE_DIR_IN && type == UE_ISOCHRONOUS &&
166 sc->sc_ax.ax_endpt == -1) {
167 sc->sc_ax.ax_endpt = ed->bEndpointAddress;
168 sc->sc_ax.ax_maxpktlen =
169 UE_GET_SIZE(UGETW(ed->wMaxPacketSize)) *
170 (UE_GET_TRANS(UGETW(ed->wMaxPacketSize)) + 1);
171 }
172 }
173
174 err = usbd_set_interface(sc->sc_isoc_iface, 0);
175 if (err) {
176 aprint_error_dev(self, "couldn't set interface: %s\n",
177 usbd_errstr(err));
178 return;
179 }
180
181 if (sc->sc_ax.ax_endpt == -1) {
182 aprint_error_dev(self, "couldn't find isoc endpoint\n");
183 sc->sc_dying = 1;
184 return;
185 }
186 if (sc->sc_ax.ax_maxpktlen == 0) {
187 aprint_error_dev(self, "couldn't determine packet length\n");
188 sc->sc_dying = 1;
189 return;
190 }
191
192 aprint_debug_dev(self, "isoc endpoint 0x%02x size %d\n",
193 sc->sc_ax.ax_endpt, sc->sc_ax.ax_maxpktlen);
194
195 nep = 0;
196 usbd_endpoint_count(sc->sc_bulk_iface, &nep);
197 for (i = 0; i < nep; i++) {
198 int dir, type;
199
200 ed = usbd_interface2endpoint_descriptor(sc->sc_bulk_iface, i);
201 if (ed == NULL) {
202 aprint_error_dev(self,
203 "couldn't read endpoint descriptor %d\n", i);
204 continue;
205 }
206
207 dir = UE_GET_DIR(ed->bEndpointAddress);
208 type = UE_GET_XFERTYPE(ed->bmAttributes);
209
210 if (dir == UE_DIR_IN && type == UE_BULK &&
211 sc->sc_ab.ab_endpt == -1) {
212 sc->sc_ab.ab_endpt = ed->bEndpointAddress;
213 }
214 }
215
216 if (sc->sc_ab.ab_endpt == -1) {
217 aprint_error_dev(self, "couldn't find bulk endpoint\n");
218 sc->sc_dying = 1;
219 return;
220 }
221
222 aprint_debug_dev(self, "bulk endpoint 0x%02x size %d\n",
223 sc->sc_ab.ab_endpt, AUVITEK_BULK_BUFLEN);
224
225 auvitek_board_init(sc);
226
227 auvitek_i2c_attach(sc);
228
229 sc->sc_au8522 = au8522_open(self, &sc->sc_i2c, 0x8e >> 1,
230 auvitek_board_get_if_frequency(sc));
231 if (sc->sc_au8522 == NULL) {
232 aprint_error_dev(sc->sc_dev, "couldn't initialize decoder\n");
233 sc->sc_dying = 1;
234 return;
235 }
236
237 config_mountroot(self, auvitek_attach_tuner);
238
239 auvitek_video_attach(sc);
240 auvitek_audio_attach(sc);
241 auvitek_dtv_attach(sc);
242 }
243
244 void
auvitek_attach_tuner(device_t self)245 auvitek_attach_tuner(device_t self)
246 {
247 struct auvitek_softc *sc = device_private(self);
248
249 mutex_enter(&sc->sc_subdev_lock);
250 if (sc->sc_xc5k == NULL) {
251 sc->sc_xc5k = xc5k_open(sc->sc_dev, &sc->sc_i2c, 0xc2 >> 1,
252 auvitek_board_tuner_reset, sc,
253 auvitek_board_get_if_frequency(sc),
254 FE_ATSC);
255 }
256 mutex_exit(&sc->sc_subdev_lock);
257 }
258
259 static int
auvitek_detach(device_t self,int flags)260 auvitek_detach(device_t self, int flags)
261 {
262 struct auvitek_softc *sc = device_private(self);
263 int error;
264
265 sc->sc_dying = 1;
266
267 error = config_detach_children(self, flags);
268 if (error) {
269 /*
270 * XXX Should ask autoconf to block open with
271 * .d_cfdriver until we're done, instead of setting
272 * this and then rolling it back.
273 */
274 sc->sc_dying = 0;
275 return error;
276 }
277
278 pmf_device_deregister(self);
279
280 auvitek_dtv_detach(sc, flags);
281 auvitek_audio_detach(sc, flags);
282 auvitek_video_detach(sc, flags);
283
284 if (sc->sc_xc5k)
285 xc5k_close(sc->sc_xc5k);
286 if (sc->sc_au8522)
287 au8522_close(sc->sc_au8522);
288
289 auvitek_i2c_detach(sc, flags);
290
291 mutex_destroy(&sc->sc_subdev_lock);
292
293 return 0;
294 }
295
296 int
auvitek_activate(device_t self,enum devact act)297 auvitek_activate(device_t self, enum devact act)
298 {
299 struct auvitek_softc *sc = device_private(self);
300
301 switch (act) {
302 case DVACT_DEACTIVATE:
303 sc->sc_dying = 1;
304 return 0;
305 default:
306 return 0;
307 }
308 }
309
310 static int
auvitek_rescan(device_t self,const char * ifattr,const int * locs)311 auvitek_rescan(device_t self, const char *ifattr, const int *locs)
312 {
313 struct auvitek_softc *sc = device_private(self);
314
315 auvitek_video_rescan(sc, ifattr, locs);
316 auvitek_dtv_rescan(sc, ifattr, locs);
317 auvitek_i2c_rescan(sc, ifattr, locs);
318
319 return 0;
320 }
321
322 static void
auvitek_childdet(device_t self,device_t child)323 auvitek_childdet(device_t self, device_t child)
324 {
325 struct auvitek_softc *sc = device_private(self);
326
327 auvitek_video_childdet(sc, child);
328 auvitek_audio_childdet(sc, child);
329 auvitek_dtv_childdet(sc, child);
330 }
331
332 uint8_t
auvitek_read_1(struct auvitek_softc * sc,uint16_t reg)333 auvitek_read_1(struct auvitek_softc *sc, uint16_t reg)
334 {
335 usb_device_request_t req;
336 usbd_status err;
337 int actlen;
338 uint8_t data;
339
340 req.bmRequestType = UT_READ_VENDOR_DEVICE;
341 req.bRequest = AU0828_CMD_REQUEST_IN;
342 USETW(req.wValue, 0);
343 USETW(req.wIndex, reg);
344 USETW(req.wLength, sizeof(data));
345
346 KERNEL_LOCK(1, curlwp);
347 err = usbd_do_request_flags(sc->sc_udev, &req, &data, 0,
348 &actlen, USBD_DEFAULT_TIMEOUT);
349 KERNEL_UNLOCK_ONE(curlwp);
350
351 if (err)
352 printf("%s: read failed: %s\n", device_xname(sc->sc_dev),
353 usbd_errstr(err));
354
355 return data;
356 }
357
358 void
auvitek_write_1(struct auvitek_softc * sc,uint16_t reg,uint8_t data)359 auvitek_write_1(struct auvitek_softc *sc, uint16_t reg, uint8_t data)
360 {
361 usb_device_request_t req;
362 usbd_status err;
363 int actlen;
364
365 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
366 req.bRequest = AU0828_CMD_REQUEST_OUT;
367 USETW(req.wValue, data);
368 USETW(req.wIndex, reg);
369 USETW(req.wLength, 0);
370
371 KERNEL_LOCK(1, curlwp);
372 err = usbd_do_request_flags(sc->sc_udev, &req, NULL, 0,
373 &actlen, USBD_DEFAULT_TIMEOUT);
374 KERNEL_UNLOCK_ONE(curlwp);
375
376 if (err)
377 printf("%s: write failed: %s\n", device_xname(sc->sc_dev),
378 usbd_errstr(err));
379 }
380
381 MODULE(MODULE_CLASS_DRIVER, auvitek, "au8522,xc5k");
382
383 #ifdef _MODULE
384 #include "ioconf.c"
385 #endif
386
387 static int
auvitek_modcmd(modcmd_t cmd,void * opaque)388 auvitek_modcmd(modcmd_t cmd, void *opaque)
389 {
390 switch (cmd) {
391 case MODULE_CMD_INIT:
392 #ifdef _MODULE
393 return config_init_component(cfdriver_ioconf_auvitek,
394 cfattach_ioconf_auvitek, cfdata_ioconf_auvitek);
395 #else
396 return 0;
397 #endif
398 case MODULE_CMD_FINI:
399 #ifdef _MODULE
400 return config_fini_component(cfdriver_ioconf_auvitek,
401 cfattach_ioconf_auvitek, cfdata_ioconf_auvitek);
402 #else
403 return 0;
404 #endif
405 default:
406 return ENOTTY;
407 }
408 }
409