1/*-
2 * Copyright (c) 2000 Iwasa Kazmi
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * This code is based on ugen.c and ulpt.c developed by Lennart Augustsson.
27 * This code includes software developed by the NetBSD Foundation, Inc. and
28 * its contributors.
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: head/sys/dev/usb/storage/urio.c 212122 2010-09-01 23:47:53Z thompsa $");
33
34
35/*
36 * 2000/3/24 added NetBSD/OpenBSD support (from Alex Nemirovsky)
37 * 2000/3/07 use two bulk-pipe handles for read and write (Dirk)
38 * 2000/3/06 change major number(143), and copyright header
39 * some fix for 4.0 (Dirk)
40 * 2000/3/05 codes for FreeBSD 4.x - CURRENT (Thanks to Dirk-Willem van Gulik)
41 * 2000/3/01 remove retry code from urioioctl()
42 * change method of bulk transfer (no interrupt)
43 * 2000/2/28 small fixes for new rio_usb.h
44 * 2000/2/24 first version.
45 */
46
47#include <sys/stdint.h>
48#include <sys/stddef.h>
49#include <sys/param.h>
50#include <sys/queue.h>
51#include <sys/types.h>
52#include <sys/systm.h>
53#include <sys/kernel.h>
54#include <sys/bus.h>
55#include <sys/linker_set.h>
56#include <sys/module.h>
57#include <sys/lock.h>
58#include <sys/mutex.h>
59#include <sys/condvar.h>
60#include <sys/sysctl.h>
61#include <sys/sx.h>
62#include <sys/unistd.h>
63#include <sys/callout.h>
64#include <sys/malloc.h>
65#include <sys/priv.h>
66#include <sys/conf.h>
67#include <sys/fcntl.h>
68
69#include <dev/usb/usb.h>
70#include <dev/usb/usbdi.h>
71#include "usbdevs.h"
72
73#include <dev/usb/usb_ioctl.h>
74#include <dev/usb/usb_generic.h>
75
76#define USB_DEBUG_VAR urio_debug
77#include <dev/usb/usb_debug.h>
78
79#include <dev/usb/storage/rio500_usb.h>
80
81#ifdef USB_DEBUG
82static int urio_debug = 0;
83
84SYSCTL_NODE(_hw_usb, OID_AUTO, urio, CTLFLAG_RW, 0, "USB urio");
85SYSCTL_INT(_hw_usb_urio, OID_AUTO, debug, CTLFLAG_RW,
86 &urio_debug, 0, "urio debug level");
87#endif
88
89#define URIO_T_WR 0
90#define URIO_T_RD 1
91#define URIO_T_WR_CS 2
92#define URIO_T_RD_CS 3
93#define URIO_T_MAX 4
94
95#define URIO_BSIZE (1<<12) /* bytes */
96#define URIO_IFQ_MAXLEN 2 /* units */
97
98struct urio_softc {
99 struct usb_fifo_sc sc_fifo;
100 struct mtx sc_mtx;
101
102 struct usb_device *sc_udev;
103 struct usb_xfer *sc_xfer[URIO_T_MAX];
104
105 uint8_t sc_flags;
106#define URIO_FLAG_READ_STALL 0x01 /* read transfer stalled */
107#define URIO_FLAG_WRITE_STALL 0x02 /* write transfer stalled */
108
109 uint8_t sc_name[16];
110};
111
112/* prototypes */
113
114static device_probe_t urio_probe;
115static device_attach_t urio_attach;
116static device_detach_t urio_detach;
117
118static usb_callback_t urio_write_callback;
119static usb_callback_t urio_write_clear_stall_callback;
120static usb_callback_t urio_read_callback;
121static usb_callback_t urio_read_clear_stall_callback;
122
123static usb_fifo_close_t urio_close;
124static usb_fifo_cmd_t urio_start_read;
125static usb_fifo_cmd_t urio_start_write;
126static usb_fifo_cmd_t urio_stop_read;
127static usb_fifo_cmd_t urio_stop_write;
128static usb_fifo_ioctl_t urio_ioctl;
129static usb_fifo_open_t urio_open;
130
131static struct usb_fifo_methods urio_fifo_methods = {
132 .f_close = &urio_close,
133 .f_ioctl = &urio_ioctl,
134 .f_open = &urio_open,
135 .f_start_read = &urio_start_read,
136 .f_start_write = &urio_start_write,
137 .f_stop_read = &urio_stop_read,
138 .f_stop_write = &urio_stop_write,
139 .basename[0] = "urio",
140};
141
142static const struct usb_config urio_config[URIO_T_MAX] = {
143 [URIO_T_WR] = {
144 .type = UE_BULK,
145 .endpoint = UE_ADDR_ANY,
146 .direction = UE_DIR_OUT,
147 .bufsize = URIO_BSIZE,
148 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.proxy_buffer = 1,},
149 .callback = &urio_write_callback,
150 },
151
152 [URIO_T_RD] = {
153 .type = UE_BULK,
154 .endpoint = UE_ADDR_ANY,
155 .direction = UE_DIR_IN,
156 .bufsize = URIO_BSIZE,
157 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,},
158 .callback = &urio_read_callback,
159 },
160
161 [URIO_T_WR_CS] = {
162 .type = UE_CONTROL,
163 .endpoint = 0x00, /* Control pipe */
164 .direction = UE_DIR_ANY,
165 .bufsize = sizeof(struct usb_device_request),
166 .callback = &urio_write_clear_stall_callback,
167 .timeout = 1000, /* 1 second */
168 .interval = 50, /* 50ms */
169 },
170
171 [URIO_T_RD_CS] = {
172 .type = UE_CONTROL,
173 .endpoint = 0x00, /* Control pipe */
174 .direction = UE_DIR_ANY,
175 .bufsize = sizeof(struct usb_device_request),
176 .callback = &urio_read_clear_stall_callback,
177 .timeout = 1000, /* 1 second */
178 .interval = 50, /* 50ms */
179 },
180};
181
182static devclass_t urio_devclass;
183
184static device_method_t urio_methods[] = {
185 /* Device interface */
186 DEVMETHOD(device_probe, urio_probe),
187 DEVMETHOD(device_attach, urio_attach),
188 DEVMETHOD(device_detach, urio_detach),
189 {0, 0}
190};
191
192static driver_t urio_driver = {
193 .name = "urio",
194 .methods = urio_methods,
195 .size = sizeof(struct urio_softc),
196};
197
198DRIVER_MODULE(urio, uhub, urio_driver, urio_devclass, NULL, 0);
199MODULE_DEPEND(urio, usb, 1, 1, 1);
200MODULE_VERSION(urio, 1);
201
202static int
203urio_probe(device_t dev)
204{
205 struct usb_attach_arg *uaa = device_get_ivars(dev);
206
207 if (uaa->usb_mode != USB_MODE_HOST) {
208 return (ENXIO);
209 }
210 if ((((uaa->info.idVendor == USB_VENDOR_DIAMOND) &&
211 (uaa->info.idProduct == USB_PRODUCT_DIAMOND_RIO500USB)) ||
212 ((uaa->info.idVendor == USB_VENDOR_DIAMOND2) &&
213 ((uaa->info.idProduct == USB_PRODUCT_DIAMOND2_RIO600USB) ||
214 (uaa->info.idProduct == USB_PRODUCT_DIAMOND2_RIO800USB)))))
215 return (0);
216 else
217 return (ENXIO);
218}
219
220static int
221urio_attach(device_t dev)
222{
223 struct usb_attach_arg *uaa = device_get_ivars(dev);
224 struct urio_softc *sc = device_get_softc(dev);
225 int error;
226
227 device_set_usb_desc(dev);
228
229 sc->sc_udev = uaa->device;
230
231 mtx_init(&sc->sc_mtx, "urio lock", NULL, MTX_DEF | MTX_RECURSE);
232
233 snprintf(sc->sc_name, sizeof(sc->sc_name),
234 "%s", device_get_nameunit(dev));
235
236 error = usbd_transfer_setup(uaa->device,
237 &uaa->info.bIfaceIndex, sc->sc_xfer,
238 urio_config, URIO_T_MAX, sc, &sc->sc_mtx);
239
240 if (error) {
241 DPRINTF("error=%s\n", usbd_errstr(error));
242 goto detach;
243 }
244
245 error = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx,
246 &urio_fifo_methods, &sc->sc_fifo,
247 device_get_unit(dev), 0 - 1, uaa->info.bIfaceIndex,
248 UID_ROOT, GID_OPERATOR, 0644);
249 if (error) {
250 goto detach;
251 }
252 return (0); /* success */
253
254detach:
255 urio_detach(dev);
256 return (ENOMEM); /* failure */
257}
258
259static void
260urio_write_callback(struct usb_xfer *xfer, usb_error_t error)
261{
262 struct urio_softc *sc = usbd_xfer_softc(xfer);
263 struct usb_fifo *f = sc->sc_fifo.fp[USB_FIFO_TX];
264 struct usb_page_cache *pc;
265 uint32_t actlen;
266
267 switch (USB_GET_STATE(xfer)) {
268 case USB_ST_TRANSFERRED:
269 case USB_ST_SETUP:
270 if (sc->sc_flags & URIO_FLAG_WRITE_STALL) {
271 usbd_transfer_start(sc->sc_xfer[URIO_T_WR_CS]);
272 return;
273 }
274 pc = usbd_xfer_get_frame(xfer, 0);
275 if (usb_fifo_get_data(f, pc, 0,
276 usbd_xfer_max_len(xfer), &actlen, 0)) {
277
278 usbd_xfer_set_frame_len(xfer, 0, actlen);
279 usbd_transfer_submit(xfer);
280 }
281 return;
282
283 default: /* Error */
284 if (error != USB_ERR_CANCELLED) {
285 /* try to clear stall first */
286 sc->sc_flags |= URIO_FLAG_WRITE_STALL;
287 usbd_transfer_start(sc->sc_xfer[URIO_T_WR_CS]);
288 }
289 return;
290 }
291}
292
293static void
294urio_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
295{
296 struct urio_softc *sc = usbd_xfer_softc(xfer);
297 struct usb_xfer *xfer_other = sc->sc_xfer[URIO_T_WR];
298
299 if (usbd_clear_stall_callback(xfer, xfer_other)) {
300 DPRINTF("stall cleared\n");
301 sc->sc_flags &= ~URIO_FLAG_WRITE_STALL;
302 usbd_transfer_start(xfer_other);
303 }
304}
305
306static void
307urio_read_callback(struct usb_xfer *xfer, usb_error_t error)
308{
309 struct urio_softc *sc = usbd_xfer_softc(xfer);
310 struct usb_fifo *f = sc->sc_fifo.fp[USB_FIFO_RX];
311 struct usb_page_cache *pc;
312 int actlen;
313
314 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
315
316 switch (USB_GET_STATE(xfer)) {
317 case USB_ST_TRANSFERRED:
318 pc = usbd_xfer_get_frame(xfer, 0);
319 usb_fifo_put_data(f, pc, 0, actlen, 1);
320
321 case USB_ST_SETUP:
322 if (sc->sc_flags & URIO_FLAG_READ_STALL) {
323 usbd_transfer_start(sc->sc_xfer[URIO_T_RD_CS]);
324 return;
325 }
326 if (usb_fifo_put_bytes_max(f) != 0) {
327 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
328 usbd_transfer_submit(xfer);
329 }
330 return;
331
332 default: /* Error */
333 if (error != USB_ERR_CANCELLED) {
334 /* try to clear stall first */
335 sc->sc_flags |= URIO_FLAG_READ_STALL;
336 usbd_transfer_start(sc->sc_xfer[URIO_T_RD_CS]);
337 }
338 return;
339 }
340}
341
342static void
343urio_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
344{
345 struct urio_softc *sc = usbd_xfer_softc(xfer);
346 struct usb_xfer *xfer_other = sc->sc_xfer[URIO_T_RD];
347
348 if (usbd_clear_stall_callback(xfer, xfer_other)) {
349 DPRINTF("stall cleared\n");
350 sc->sc_flags &= ~URIO_FLAG_READ_STALL;
351 usbd_transfer_start(xfer_other);
352 }
353}
354
355static void
356urio_start_read(struct usb_fifo *fifo)
357{
358 struct urio_softc *sc = usb_fifo_softc(fifo);
359
360 usbd_transfer_start(sc->sc_xfer[URIO_T_RD]);
361}
362
363static void
364urio_stop_read(struct usb_fifo *fifo)
365{
366 struct urio_softc *sc = usb_fifo_softc(fifo);
367
368 usbd_transfer_stop(sc->sc_xfer[URIO_T_RD_CS]);
369 usbd_transfer_stop(sc->sc_xfer[URIO_T_RD]);
370}
371
372static void
373urio_start_write(struct usb_fifo *fifo)
374{
375 struct urio_softc *sc = usb_fifo_softc(fifo);
376
377 usbd_transfer_start(sc->sc_xfer[URIO_T_WR]);
378}
379
380static void
381urio_stop_write(struct usb_fifo *fifo)
382{
383 struct urio_softc *sc = usb_fifo_softc(fifo);
384
385 usbd_transfer_stop(sc->sc_xfer[URIO_T_WR_CS]);
386 usbd_transfer_stop(sc->sc_xfer[URIO_T_WR]);
387}
388
389static int
390urio_open(struct usb_fifo *fifo, int fflags)
391{
392 struct urio_softc *sc = usb_fifo_softc(fifo);
393
394 if (fflags & FREAD) {
395 /* clear stall first */
396 mtx_lock(&sc->sc_mtx);
397 sc->sc_flags |= URIO_FLAG_READ_STALL;
398 mtx_unlock(&sc->sc_mtx);
399
400 if (usb_fifo_alloc_buffer(fifo,
401 usbd_xfer_max_len(sc->sc_xfer[URIO_T_RD]),
402 URIO_IFQ_MAXLEN)) {
403 return (ENOMEM);
404 }
405 }
406 if (fflags & FWRITE) {
407 /* clear stall first */
408 sc->sc_flags |= URIO_FLAG_WRITE_STALL;
409
410 if (usb_fifo_alloc_buffer(fifo,
411 usbd_xfer_max_len(sc->sc_xfer[URIO_T_WR]),
412 URIO_IFQ_MAXLEN)) {
413 return (ENOMEM);
414 }
415 }
416 return (0); /* success */
417}
418
419static void
420urio_close(struct usb_fifo *fifo, int fflags)
421{
422 if (fflags & (FREAD | FWRITE)) {
423 usb_fifo_free_buffer(fifo);
424 }
425}
426
427static int
428urio_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr,
429 int fflags)
430{
431 struct usb_ctl_request ur;
432 struct RioCommand *rio_cmd;
433 int error;
434
435 switch (cmd) {
436 case RIO_RECV_COMMAND:
437 if (!(fflags & FWRITE)) {
438 error = EPERM;
439 goto done;
440 }
441 bzero(&ur, sizeof(ur));
442 rio_cmd = addr;
443 ur.ucr_request.bmRequestType =
444 rio_cmd->requesttype | UT_READ_VENDOR_DEVICE;
445 break;
446
447 case RIO_SEND_COMMAND:
448 if (!(fflags & FWRITE)) {
449 error = EPERM;
450 goto done;
451 }
452 bzero(&ur, sizeof(ur));
453 rio_cmd = addr;
454 ur.ucr_request.bmRequestType =
455 rio_cmd->requesttype | UT_WRITE_VENDOR_DEVICE;
456 break;
457
458 default:
459 error = EINVAL;
460 goto done;
461 }
462
463 DPRINTFN(2, "Sending command\n");
464
465 /* Send rio control message */
466 ur.ucr_request.bRequest = rio_cmd->request;
467 USETW(ur.ucr_request.wValue, rio_cmd->value);
468 USETW(ur.ucr_request.wIndex, rio_cmd->index);
469 USETW(ur.ucr_request.wLength, rio_cmd->length);
470 ur.ucr_data = rio_cmd->buffer;
471
472 /* reuse generic USB code */
473 error = ugen_do_request(fifo, &ur);
474
475done:
476 return (error);
477}
478
479static int
480urio_detach(device_t dev)
481{
482 struct urio_softc *sc = device_get_softc(dev);
483
484 DPRINTF("\n");
485
486 usb_fifo_detach(&sc->sc_fifo);
487
488 usbd_transfer_unsetup(sc->sc_xfer, URIO_T_MAX);
489
490 mtx_destroy(&sc->sc_mtx);
491
492 return (0);
493}
2 * Copyright (c) 2000 Iwasa Kazmi
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * This code is based on ugen.c and ulpt.c developed by Lennart Augustsson.
27 * This code includes software developed by the NetBSD Foundation, Inc. and
28 * its contributors.
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: head/sys/dev/usb/storage/urio.c 212122 2010-09-01 23:47:53Z thompsa $");
33
34
35/*
36 * 2000/3/24 added NetBSD/OpenBSD support (from Alex Nemirovsky)
37 * 2000/3/07 use two bulk-pipe handles for read and write (Dirk)
38 * 2000/3/06 change major number(143), and copyright header
39 * some fix for 4.0 (Dirk)
40 * 2000/3/05 codes for FreeBSD 4.x - CURRENT (Thanks to Dirk-Willem van Gulik)
41 * 2000/3/01 remove retry code from urioioctl()
42 * change method of bulk transfer (no interrupt)
43 * 2000/2/28 small fixes for new rio_usb.h
44 * 2000/2/24 first version.
45 */
46
47#include <sys/stdint.h>
48#include <sys/stddef.h>
49#include <sys/param.h>
50#include <sys/queue.h>
51#include <sys/types.h>
52#include <sys/systm.h>
53#include <sys/kernel.h>
54#include <sys/bus.h>
55#include <sys/linker_set.h>
56#include <sys/module.h>
57#include <sys/lock.h>
58#include <sys/mutex.h>
59#include <sys/condvar.h>
60#include <sys/sysctl.h>
61#include <sys/sx.h>
62#include <sys/unistd.h>
63#include <sys/callout.h>
64#include <sys/malloc.h>
65#include <sys/priv.h>
66#include <sys/conf.h>
67#include <sys/fcntl.h>
68
69#include <dev/usb/usb.h>
70#include <dev/usb/usbdi.h>
71#include "usbdevs.h"
72
73#include <dev/usb/usb_ioctl.h>
74#include <dev/usb/usb_generic.h>
75
76#define USB_DEBUG_VAR urio_debug
77#include <dev/usb/usb_debug.h>
78
79#include <dev/usb/storage/rio500_usb.h>
80
81#ifdef USB_DEBUG
82static int urio_debug = 0;
83
84SYSCTL_NODE(_hw_usb, OID_AUTO, urio, CTLFLAG_RW, 0, "USB urio");
85SYSCTL_INT(_hw_usb_urio, OID_AUTO, debug, CTLFLAG_RW,
86 &urio_debug, 0, "urio debug level");
87#endif
88
89#define URIO_T_WR 0
90#define URIO_T_RD 1
91#define URIO_T_WR_CS 2
92#define URIO_T_RD_CS 3
93#define URIO_T_MAX 4
94
95#define URIO_BSIZE (1<<12) /* bytes */
96#define URIO_IFQ_MAXLEN 2 /* units */
97
98struct urio_softc {
99 struct usb_fifo_sc sc_fifo;
100 struct mtx sc_mtx;
101
102 struct usb_device *sc_udev;
103 struct usb_xfer *sc_xfer[URIO_T_MAX];
104
105 uint8_t sc_flags;
106#define URIO_FLAG_READ_STALL 0x01 /* read transfer stalled */
107#define URIO_FLAG_WRITE_STALL 0x02 /* write transfer stalled */
108
109 uint8_t sc_name[16];
110};
111
112/* prototypes */
113
114static device_probe_t urio_probe;
115static device_attach_t urio_attach;
116static device_detach_t urio_detach;
117
118static usb_callback_t urio_write_callback;
119static usb_callback_t urio_write_clear_stall_callback;
120static usb_callback_t urio_read_callback;
121static usb_callback_t urio_read_clear_stall_callback;
122
123static usb_fifo_close_t urio_close;
124static usb_fifo_cmd_t urio_start_read;
125static usb_fifo_cmd_t urio_start_write;
126static usb_fifo_cmd_t urio_stop_read;
127static usb_fifo_cmd_t urio_stop_write;
128static usb_fifo_ioctl_t urio_ioctl;
129static usb_fifo_open_t urio_open;
130
131static struct usb_fifo_methods urio_fifo_methods = {
132 .f_close = &urio_close,
133 .f_ioctl = &urio_ioctl,
134 .f_open = &urio_open,
135 .f_start_read = &urio_start_read,
136 .f_start_write = &urio_start_write,
137 .f_stop_read = &urio_stop_read,
138 .f_stop_write = &urio_stop_write,
139 .basename[0] = "urio",
140};
141
142static const struct usb_config urio_config[URIO_T_MAX] = {
143 [URIO_T_WR] = {
144 .type = UE_BULK,
145 .endpoint = UE_ADDR_ANY,
146 .direction = UE_DIR_OUT,
147 .bufsize = URIO_BSIZE,
148 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.proxy_buffer = 1,},
149 .callback = &urio_write_callback,
150 },
151
152 [URIO_T_RD] = {
153 .type = UE_BULK,
154 .endpoint = UE_ADDR_ANY,
155 .direction = UE_DIR_IN,
156 .bufsize = URIO_BSIZE,
157 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,},
158 .callback = &urio_read_callback,
159 },
160
161 [URIO_T_WR_CS] = {
162 .type = UE_CONTROL,
163 .endpoint = 0x00, /* Control pipe */
164 .direction = UE_DIR_ANY,
165 .bufsize = sizeof(struct usb_device_request),
166 .callback = &urio_write_clear_stall_callback,
167 .timeout = 1000, /* 1 second */
168 .interval = 50, /* 50ms */
169 },
170
171 [URIO_T_RD_CS] = {
172 .type = UE_CONTROL,
173 .endpoint = 0x00, /* Control pipe */
174 .direction = UE_DIR_ANY,
175 .bufsize = sizeof(struct usb_device_request),
176 .callback = &urio_read_clear_stall_callback,
177 .timeout = 1000, /* 1 second */
178 .interval = 50, /* 50ms */
179 },
180};
181
182static devclass_t urio_devclass;
183
184static device_method_t urio_methods[] = {
185 /* Device interface */
186 DEVMETHOD(device_probe, urio_probe),
187 DEVMETHOD(device_attach, urio_attach),
188 DEVMETHOD(device_detach, urio_detach),
189 {0, 0}
190};
191
192static driver_t urio_driver = {
193 .name = "urio",
194 .methods = urio_methods,
195 .size = sizeof(struct urio_softc),
196};
197
198DRIVER_MODULE(urio, uhub, urio_driver, urio_devclass, NULL, 0);
199MODULE_DEPEND(urio, usb, 1, 1, 1);
200MODULE_VERSION(urio, 1);
201
202static int
203urio_probe(device_t dev)
204{
205 struct usb_attach_arg *uaa = device_get_ivars(dev);
206
207 if (uaa->usb_mode != USB_MODE_HOST) {
208 return (ENXIO);
209 }
210 if ((((uaa->info.idVendor == USB_VENDOR_DIAMOND) &&
211 (uaa->info.idProduct == USB_PRODUCT_DIAMOND_RIO500USB)) ||
212 ((uaa->info.idVendor == USB_VENDOR_DIAMOND2) &&
213 ((uaa->info.idProduct == USB_PRODUCT_DIAMOND2_RIO600USB) ||
214 (uaa->info.idProduct == USB_PRODUCT_DIAMOND2_RIO800USB)))))
215 return (0);
216 else
217 return (ENXIO);
218}
219
220static int
221urio_attach(device_t dev)
222{
223 struct usb_attach_arg *uaa = device_get_ivars(dev);
224 struct urio_softc *sc = device_get_softc(dev);
225 int error;
226
227 device_set_usb_desc(dev);
228
229 sc->sc_udev = uaa->device;
230
231 mtx_init(&sc->sc_mtx, "urio lock", NULL, MTX_DEF | MTX_RECURSE);
232
233 snprintf(sc->sc_name, sizeof(sc->sc_name),
234 "%s", device_get_nameunit(dev));
235
236 error = usbd_transfer_setup(uaa->device,
237 &uaa->info.bIfaceIndex, sc->sc_xfer,
238 urio_config, URIO_T_MAX, sc, &sc->sc_mtx);
239
240 if (error) {
241 DPRINTF("error=%s\n", usbd_errstr(error));
242 goto detach;
243 }
244
245 error = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx,
246 &urio_fifo_methods, &sc->sc_fifo,
247 device_get_unit(dev), 0 - 1, uaa->info.bIfaceIndex,
248 UID_ROOT, GID_OPERATOR, 0644);
249 if (error) {
250 goto detach;
251 }
252 return (0); /* success */
253
254detach:
255 urio_detach(dev);
256 return (ENOMEM); /* failure */
257}
258
259static void
260urio_write_callback(struct usb_xfer *xfer, usb_error_t error)
261{
262 struct urio_softc *sc = usbd_xfer_softc(xfer);
263 struct usb_fifo *f = sc->sc_fifo.fp[USB_FIFO_TX];
264 struct usb_page_cache *pc;
265 uint32_t actlen;
266
267 switch (USB_GET_STATE(xfer)) {
268 case USB_ST_TRANSFERRED:
269 case USB_ST_SETUP:
270 if (sc->sc_flags & URIO_FLAG_WRITE_STALL) {
271 usbd_transfer_start(sc->sc_xfer[URIO_T_WR_CS]);
272 return;
273 }
274 pc = usbd_xfer_get_frame(xfer, 0);
275 if (usb_fifo_get_data(f, pc, 0,
276 usbd_xfer_max_len(xfer), &actlen, 0)) {
277
278 usbd_xfer_set_frame_len(xfer, 0, actlen);
279 usbd_transfer_submit(xfer);
280 }
281 return;
282
283 default: /* Error */
284 if (error != USB_ERR_CANCELLED) {
285 /* try to clear stall first */
286 sc->sc_flags |= URIO_FLAG_WRITE_STALL;
287 usbd_transfer_start(sc->sc_xfer[URIO_T_WR_CS]);
288 }
289 return;
290 }
291}
292
293static void
294urio_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
295{
296 struct urio_softc *sc = usbd_xfer_softc(xfer);
297 struct usb_xfer *xfer_other = sc->sc_xfer[URIO_T_WR];
298
299 if (usbd_clear_stall_callback(xfer, xfer_other)) {
300 DPRINTF("stall cleared\n");
301 sc->sc_flags &= ~URIO_FLAG_WRITE_STALL;
302 usbd_transfer_start(xfer_other);
303 }
304}
305
306static void
307urio_read_callback(struct usb_xfer *xfer, usb_error_t error)
308{
309 struct urio_softc *sc = usbd_xfer_softc(xfer);
310 struct usb_fifo *f = sc->sc_fifo.fp[USB_FIFO_RX];
311 struct usb_page_cache *pc;
312 int actlen;
313
314 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
315
316 switch (USB_GET_STATE(xfer)) {
317 case USB_ST_TRANSFERRED:
318 pc = usbd_xfer_get_frame(xfer, 0);
319 usb_fifo_put_data(f, pc, 0, actlen, 1);
320
321 case USB_ST_SETUP:
322 if (sc->sc_flags & URIO_FLAG_READ_STALL) {
323 usbd_transfer_start(sc->sc_xfer[URIO_T_RD_CS]);
324 return;
325 }
326 if (usb_fifo_put_bytes_max(f) != 0) {
327 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
328 usbd_transfer_submit(xfer);
329 }
330 return;
331
332 default: /* Error */
333 if (error != USB_ERR_CANCELLED) {
334 /* try to clear stall first */
335 sc->sc_flags |= URIO_FLAG_READ_STALL;
336 usbd_transfer_start(sc->sc_xfer[URIO_T_RD_CS]);
337 }
338 return;
339 }
340}
341
342static void
343urio_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error)
344{
345 struct urio_softc *sc = usbd_xfer_softc(xfer);
346 struct usb_xfer *xfer_other = sc->sc_xfer[URIO_T_RD];
347
348 if (usbd_clear_stall_callback(xfer, xfer_other)) {
349 DPRINTF("stall cleared\n");
350 sc->sc_flags &= ~URIO_FLAG_READ_STALL;
351 usbd_transfer_start(xfer_other);
352 }
353}
354
355static void
356urio_start_read(struct usb_fifo *fifo)
357{
358 struct urio_softc *sc = usb_fifo_softc(fifo);
359
360 usbd_transfer_start(sc->sc_xfer[URIO_T_RD]);
361}
362
363static void
364urio_stop_read(struct usb_fifo *fifo)
365{
366 struct urio_softc *sc = usb_fifo_softc(fifo);
367
368 usbd_transfer_stop(sc->sc_xfer[URIO_T_RD_CS]);
369 usbd_transfer_stop(sc->sc_xfer[URIO_T_RD]);
370}
371
372static void
373urio_start_write(struct usb_fifo *fifo)
374{
375 struct urio_softc *sc = usb_fifo_softc(fifo);
376
377 usbd_transfer_start(sc->sc_xfer[URIO_T_WR]);
378}
379
380static void
381urio_stop_write(struct usb_fifo *fifo)
382{
383 struct urio_softc *sc = usb_fifo_softc(fifo);
384
385 usbd_transfer_stop(sc->sc_xfer[URIO_T_WR_CS]);
386 usbd_transfer_stop(sc->sc_xfer[URIO_T_WR]);
387}
388
389static int
390urio_open(struct usb_fifo *fifo, int fflags)
391{
392 struct urio_softc *sc = usb_fifo_softc(fifo);
393
394 if (fflags & FREAD) {
395 /* clear stall first */
396 mtx_lock(&sc->sc_mtx);
397 sc->sc_flags |= URIO_FLAG_READ_STALL;
398 mtx_unlock(&sc->sc_mtx);
399
400 if (usb_fifo_alloc_buffer(fifo,
401 usbd_xfer_max_len(sc->sc_xfer[URIO_T_RD]),
402 URIO_IFQ_MAXLEN)) {
403 return (ENOMEM);
404 }
405 }
406 if (fflags & FWRITE) {
407 /* clear stall first */
408 sc->sc_flags |= URIO_FLAG_WRITE_STALL;
409
410 if (usb_fifo_alloc_buffer(fifo,
411 usbd_xfer_max_len(sc->sc_xfer[URIO_T_WR]),
412 URIO_IFQ_MAXLEN)) {
413 return (ENOMEM);
414 }
415 }
416 return (0); /* success */
417}
418
419static void
420urio_close(struct usb_fifo *fifo, int fflags)
421{
422 if (fflags & (FREAD | FWRITE)) {
423 usb_fifo_free_buffer(fifo);
424 }
425}
426
427static int
428urio_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr,
429 int fflags)
430{
431 struct usb_ctl_request ur;
432 struct RioCommand *rio_cmd;
433 int error;
434
435 switch (cmd) {
436 case RIO_RECV_COMMAND:
437 if (!(fflags & FWRITE)) {
438 error = EPERM;
439 goto done;
440 }
441 bzero(&ur, sizeof(ur));
442 rio_cmd = addr;
443 ur.ucr_request.bmRequestType =
444 rio_cmd->requesttype | UT_READ_VENDOR_DEVICE;
445 break;
446
447 case RIO_SEND_COMMAND:
448 if (!(fflags & FWRITE)) {
449 error = EPERM;
450 goto done;
451 }
452 bzero(&ur, sizeof(ur));
453 rio_cmd = addr;
454 ur.ucr_request.bmRequestType =
455 rio_cmd->requesttype | UT_WRITE_VENDOR_DEVICE;
456 break;
457
458 default:
459 error = EINVAL;
460 goto done;
461 }
462
463 DPRINTFN(2, "Sending command\n");
464
465 /* Send rio control message */
466 ur.ucr_request.bRequest = rio_cmd->request;
467 USETW(ur.ucr_request.wValue, rio_cmd->value);
468 USETW(ur.ucr_request.wIndex, rio_cmd->index);
469 USETW(ur.ucr_request.wLength, rio_cmd->length);
470 ur.ucr_data = rio_cmd->buffer;
471
472 /* reuse generic USB code */
473 error = ugen_do_request(fifo, &ur);
474
475done:
476 return (error);
477}
478
479static int
480urio_detach(device_t dev)
481{
482 struct urio_softc *sc = device_get_softc(dev);
483
484 DPRINTF("\n");
485
486 usb_fifo_detach(&sc->sc_fifo);
487
488 usbd_transfer_unsetup(sc->sc_xfer, URIO_T_MAX);
489
490 mtx_destroy(&sc->sc_mtx);
491
492 return (0);
493}