ahci.c revision 1.13 1 /* $NetBSD: ahci.c,v 1.13 2016/04/23 10:15:29 skrll Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or
8 * without modification, are permitted provided that the following
9 * conditions 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
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials provided
15 * with the distribution.
16 * 3. The names of the authors may not be used to endorse or promote
17 * products derived from this software without specific prior
18 * written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
27 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
29 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31 * OF SUCH DAMAGE.
32 */
33 /*
34 * Copyright (c) 2001 The NetBSD Foundation, Inc.
35 * All rights reserved.
36 *
37 * This code is derived from software contributed to The NetBSD Foundation
38 * by Tetsuya Isaki.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
50 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
51 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
52 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
53 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
54 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
55 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
56 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
57 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
58 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
59 * POSSIBILITY OF SUCH DAMAGE.
60 */
61
62 /*
63 * !! HIGHLY EXPERIMENTAL CODE !!
64 */
65
66 #include <sys/cdefs.h>
67 __KERNEL_RCSID(0, "$NetBSD: ahci.c,v 1.13 2016/04/23 10:15:29 skrll Exp $");
68
69 #include <sys/param.h>
70 #include <sys/systm.h>
71 #include <sys/kernel.h>
72 #include <sys/proc.h>
73 #include <sys/device.h>
74 #include <sys/kmem.h>
75
76 #include <sys/bus.h>
77 #include <machine/cpu.h>
78
79 #include <dev/usb/usb.h>
80 #include <dev/usb/usbdi.h>
81 #include <dev/usb/usbdivar.h>
82 #include <dev/usb/usb_mem.h>
83 #include <dev/usb/usbdevs.h>
84 #include <dev/usb/usbroothub.h>
85
86 #include <mips/adm5120/include/adm5120reg.h>
87 #include <mips/adm5120/include/adm5120var.h>
88 #include <mips/adm5120/include/adm5120_obiovar.h>
89
90 #include <mips/adm5120/dev/ahcireg.h>
91 #include <mips/adm5120/dev/ahcivar.h>
92
93 static usbd_status ahci_open(struct usbd_pipe *);
94 static void ahci_softintr(void *);
95 static void ahci_poll(struct usbd_bus *);
96 static void ahci_poll_hub(void *);
97 static void ahci_poll_device(void *arg);
98 static struct usbd_xfer *
99 ahci_allocx(struct usbd_bus *, unsigned int);
100 static void ahci_freex(struct usbd_bus *, struct usbd_xfer *);
101
102 static void ahci_get_lock(struct usbd_bus *, kmutex_t **);
103 static int ahci_roothub_ctrl(struct usbd_bus *, usb_device_request_t *,
104 void *, int);
105
106 static usbd_status ahci_root_intr_transfer(struct usbd_xfer *);
107 static usbd_status ahci_root_intr_start(struct usbd_xfer *);
108 static void ahci_root_intr_abort(struct usbd_xfer *);
109 static void ahci_root_intr_close(struct usbd_pipe *);
110 static void ahci_root_intr_done(struct usbd_xfer *);
111
112 static usbd_status ahci_device_ctrl_transfer(struct usbd_xfer *);
113 static usbd_status ahci_device_ctrl_start(struct usbd_xfer *);
114 static void ahci_device_ctrl_abort(struct usbd_xfer *);
115 static void ahci_device_ctrl_close(struct usbd_pipe *);
116 static void ahci_device_ctrl_done(struct usbd_xfer *);
117
118 static usbd_status ahci_device_intr_transfer(struct usbd_xfer *);
119 static usbd_status ahci_device_intr_start(struct usbd_xfer *);
120 static void ahci_device_intr_abort(struct usbd_xfer *);
121 static void ahci_device_intr_close(struct usbd_pipe *);
122 static void ahci_device_intr_done(struct usbd_xfer *);
123
124 static usbd_status ahci_device_isoc_transfer(struct usbd_xfer *);
125 static usbd_status ahci_device_isoc_start(struct usbd_xfer *);
126 static void ahci_device_isoc_abort(struct usbd_xfer *);
127 static void ahci_device_isoc_close(struct usbd_pipe *);
128 static void ahci_device_isoc_done(struct usbd_xfer *);
129
130 static usbd_status ahci_device_bulk_transfer(struct usbd_xfer *);
131 static usbd_status ahci_device_bulk_start(struct usbd_xfer *);
132 static void ahci_device_bulk_abort(struct usbd_xfer *);
133 static void ahci_device_bulk_close(struct usbd_pipe *);
134 static void ahci_device_bulk_done(struct usbd_xfer *);
135
136 static int ahci_transaction(struct ahci_softc *,
137 struct usbd_pipe *, uint8_t, int, u_char *, uint8_t);
138 static void ahci_noop(struct usbd_pipe *);
139 static void ahci_abort_xfer(struct usbd_xfer *, usbd_status);
140 static void ahci_device_clear_toggle(struct usbd_pipe *);
141
142 extern int usbdebug;
143 extern int uhubdebug;
144 extern int umassdebug;
145 int ahci_dummy;
146
147 #define AHCI_DEBUG
148
149 #ifdef AHCI_DEBUG
150 #define D_TRACE (0x0001) /* function trace */
151 #define D_MSG (0x0002) /* debug messages */
152 #define D_XFER (0x0004) /* transfer messages (noisy!) */
153 #define D_MEM (0x0008) /* memory allocation */
154
155 int ahci_debug = 0;
156 #define DPRINTF(z,x) if((ahci_debug&(z))!=0)printf x
157 void print_req(usb_device_request_t *);
158 void print_req_hub(usb_device_request_t *);
159 void print_dumpreg(struct ahci_softc *);
160 void print_xfer(struct usbd_xfer *);
161 #else
162 #define DPRINTF(z,x)
163 #endif
164
165
166 struct usbd_bus_methods ahci_bus_methods = {
167 .ubm_open = ahci_open,
168 .ubm_softint = ahci_softintr,
169 .ubm_dopoll = ahci_poll,
170 .ubm_allocx = ahci_allocx,
171 .ubm_freex = ahci_freex,
172 .ubm_getlock = ahci_get_lock,
173 .ubm_rhctrl = ahci_roothub_ctrl,
174 };
175
176 struct usbd_pipe_methods ahci_root_intr_methods = {
177 .upm_transfer = ahci_root_intr_transfer,
178 .upm_start = ahci_root_intr_start,
179 .upm_abort = ahci_root_intr_abort,
180 .upm_close = ahci_root_intr_close,
181 .upm_cleartoggle = ahci_noop,
182 .upm_done = ahci_root_intr_done,
183 };
184
185 struct usbd_pipe_methods ahci_device_ctrl_methods = {
186 .upm_transfer = ahci_device_ctrl_transfer,
187 .upm_start = ahci_device_ctrl_start,
188 .upm_abort = ahci_device_ctrl_abort,
189 .upm_close = ahci_device_ctrl_close,
190 .upm_cleartoggle = ahci_noop,
191 .upm_done = ahci_device_ctrl_done,
192 };
193
194 struct usbd_pipe_methods ahci_device_intr_methods = {
195 .upm_transfer = ahci_device_intr_transfer,
196 .upm_start = ahci_device_intr_start,
197 .upm_abort = ahci_device_intr_abort,
198 .upm_close = ahci_device_intr_close,
199 .upm_cleartoggle = ahci_device_clear_toggle,
200 .upm_done = ahci_device_intr_done,
201 };
202
203 struct usbd_pipe_methods ahci_device_isoc_methods = {
204 .upm_transfer = ahci_device_isoc_transfer,
205 .upm_start = ahci_device_isoc_start,
206 .upm_abort = ahci_device_isoc_abort,
207 .upm_close = ahci_device_isoc_close,
208 .upm_cleartoggle = ahci_noop,
209 .upm_done = ahci_device_isoc_done,
210 };
211
212 struct usbd_pipe_methods ahci_device_bulk_methods = {
213 .upm_transfer = ahci_device_bulk_transfer,
214 .upm_start = ahci_device_bulk_start,
215 .upm_abort = ahci_device_bulk_abort,
216 .upm_close = ahci_device_bulk_close,
217 .upm_cleartoggle = ahci_device_clear_toggle,
218 .upm_done = ahci_device_bulk_done,
219 };
220
221 struct ahci_pipe {
222 struct usbd_pipe pipe;
223 uint32_t toggle;
224 };
225
226 static int ahci_match(device_t, cfdata_t, void *);
227 static void ahci_attach(device_t, device_t, void *);
228
229 CFATTACH_DECL_NEW(ahci, sizeof(struct ahci_softc),
230 ahci_match, ahci_attach, NULL, NULL);
231
232 static int
233 ahci_match(device_t parent, struct cfdata *cf, void *aux)
234 {
235 struct obio_attach_args *aa = aux;
236
237 if (strcmp(aa->oba_name, cf->cf_name) == 0)
238 return 1;
239
240 return 0;
241 }
242
243 #define REG_READ(o) bus_space_read_4(sc->sc_st, sc->sc_ioh, (o))
244 #define REG_WRITE(o,v) bus_space_write_4(sc->sc_st, sc->sc_ioh, (o),(v))
245
246 /*
247 * Attach SL11H/SL811HS. Return 0 if success.
248 */
249 void
250 ahci_attach(device_t parent, device_t self, void *aux)
251 {
252 struct obio_attach_args *aa = aux;
253 struct ahci_softc *sc = device_private(self);
254
255 printf("\n");
256 sc->sc_dmat = aa->oba_dt;
257 sc->sc_st = aa->oba_st;
258
259 /* Initialize sc */
260 sc->sc_bus.ub_revision = USBREV_1_1;
261 sc->sc_bus.ub_methods = &ahci_bus_methods;
262 sc->sc_bus.ub_pipesize = sizeof(struct ahci_pipe);
263 sc->sc_bus.ub_dmatag = sc->sc_dmat;
264 sc->sc_bus.ub_usedma = true;
265
266 /* Map the device. */
267 if (bus_space_map(sc->sc_st, aa->oba_addr,
268 512, 0, &sc->sc_ioh) != 0) {
269 aprint_error_dev(self, "unable to map device\n");
270 return;
271 }
272
273 /* Hook up the interrupt handler. */
274 sc->sc_ih = adm5120_intr_establish(aa->oba_irq, INTR_IRQ, ahci_intr, sc);
275
276 if (sc->sc_ih == NULL) {
277 aprint_error_dev(self,
278 "unable to register interrupt handler\n");
279 return;
280 }
281
282 SIMPLEQ_INIT(&sc->sc_free_xfers);
283
284 callout_init(&sc->sc_poll_handle, 0);
285
286 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB);
287 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED /* XXXNH */);
288
289 REG_WRITE(ADMHCD_REG_INTENABLE, 0); /* disable interrupts */
290 REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_SW_RESET); /* reset */
291 delay_ms(10);
292 while (REG_READ(ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET)
293 delay_ms(1);
294
295 REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_HOST_EN);
296 REG_WRITE(ADMHCD_REG_HOSTHEAD, 0x00000000);
297 REG_WRITE(ADMHCD_REG_FMINTERVAL, 0x20002edf);
298 REG_WRITE(ADMHCD_REG_LSTHRESH, 0x628);
299 REG_WRITE(ADMHCD_REG_RHDESCR, ADMHCD_NPS | ADMHCD_LPSC);
300 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
301
302 REG_WRITE(ADMHCD_REG_INTENABLE, 0); /* XXX: enable interrupts */
303
304 #ifdef USB_DEBUG
305 /* usbdebug = 0x7f;
306 uhubdebug = 0x7f;
307 umassdebug = 0xffffffff; */
308 #endif
309
310 /* Attach USB devices */
311 sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
312
313 }
314
315 int
316 ahci_intr(void *arg)
317 {
318 #if 0
319 struct ahci_softc *sc = arg;
320 uint8_t r;
321 #ifdef AHCI_DEBUG
322 char bitbuf[256];
323 #endif
324
325 r = sl11read(sc, SL11_ISR);
326
327 sl11write(sc, SL11_ISR, SL11_ISR_DATA | SL11_ISR_SOFTIMER);
328
329 if ((r & SL11_ISR_RESET)) {
330 sc->sc_flags |= AHCDF_RESET;
331 sl11write(sc, SL11_ISR, SL11_ISR_RESET);
332 }
333 if ((r & SL11_ISR_INSERT)) {
334 sc->sc_flags |= AHCDF_INSERT;
335 sl11write(sc, SL11_ISR, SL11_ISR_INSERT);
336 }
337
338 #ifdef AHCI_DEBUG
339 snprintb(bitbuf, sizeof(bitbuf),
340 ((sl11read(sc, SL11_CTRL) & SL11_CTRL_SUSPEND)
341 ? "\20\x8""D+\7RESUME\6INSERT\5SOF\4res\3""BABBLE\2USBB\1USBA"
342 : "\20\x8""D+\7RESET\6INSERT\5SOF\4res\3""BABBLE\2USBB\1USBA"),
343 r);
344
345 DPRINTF(D_XFER, ("I=%s ", bitbuf));
346 #endif /* AHCI_DEBUG */
347 #endif
348
349 return 0;
350 }
351
352 usbd_status
353 ahci_open(struct usbd_pipe *pipe)
354 {
355 struct usbd_device *dev = pipe->up_dev;
356 struct ahci_pipe *apipe = (struct ahci_pipe *)pipe;
357 usb_endpoint_descriptor_t *ed = pipe->up_endpoint->ue_edesc;
358 uint8_t rhaddr = dev->ud_bus->ub_rhaddr;
359
360 DPRINTF(D_TRACE, ("ahci_open(addr=%d,ep=%d,scaddr=%d)",
361 dev->ud_addr, ed->bEndpointAddress, rhaddr));
362
363 apipe->toggle=0;
364
365 if (dev->ud_addr == rhaddr) {
366 switch (ed->bEndpointAddress) {
367 case USB_CONTROL_ENDPOINT:
368 pipe->up_methods = &roothub_ctrl_methods;
369 break;
370 case UE_DIR_IN | USBROOTHUB_INTR_ENDPT:
371 pipe->up_methods = &ahci_root_intr_methods;
372 break;
373 default:
374 printf("open:endpointErr!\n");
375 return USBD_INVAL;
376 }
377 } else {
378 switch (ed->bmAttributes & UE_XFERTYPE) {
379 case UE_CONTROL:
380 DPRINTF(D_MSG, ("control "));
381 pipe->up_methods = &ahci_device_ctrl_methods;
382 break;
383 case UE_INTERRUPT:
384 DPRINTF(D_MSG, ("interrupt "));
385 pipe->up_methods = &ahci_device_intr_methods;
386 break;
387 case UE_ISOCHRONOUS:
388 DPRINTF(D_MSG, ("isochronous "));
389 pipe->up_methods = &ahci_device_isoc_methods;
390 break;
391 case UE_BULK:
392 DPRINTF(D_MSG, ("bluk "));
393 pipe->up_methods = &ahci_device_bulk_methods;
394 break;
395 }
396 }
397 return USBD_NORMAL_COMPLETION;
398 }
399
400 void
401 ahci_softintr(void *arg)
402 {
403 DPRINTF(D_TRACE, ("%s()", __func__));
404 }
405
406 void
407 ahci_poll(struct usbd_bus *bus)
408 {
409 DPRINTF(D_TRACE, ("%s()", __func__));
410 }
411
412 #define AHCI_BUS2SC(bus) ((bus)->ub_hcpriv)
413 #define AHCI_PIPE2SC(pipe) AHCI_BUS2SC((pipe)->up_dev->ud_bus)
414 #define AHCI_XFER2SC(xfer) AHCI_BUS2SC((xfer)->ux_bus)
415 #define AHCI_APIPE2SC(ap) AHCI_BUS2SC((d)->pipe.up_dev->ud_bus)
416
417 /*
418 * Emulation of interrupt transfer for status change endpoint
419 * of root hub.
420 */
421 void
422 ahci_poll_hub(void *arg)
423 {
424 struct usbd_xfer *xfer = arg;
425 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
426 u_char *p;
427 static int p0_state=0;
428 static int p1_state=0;
429
430 callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer);
431
432 /* USB spec 11.13.3 (p.260) */
433 p = KERNADDR(&xfer->ux_dmabuf, 0);
434 p[0] = 0;
435 if ((REG_READ(ADMHCD_REG_PORTSTATUS0) & ADMHCD_CCS) != p0_state) {
436 p[0] = 2;
437 DPRINTF(D_TRACE, ("!"));
438 p0_state=(REG_READ(ADMHCD_REG_PORTSTATUS0) & ADMHCD_CCS);
439 };
440 if ((REG_READ(ADMHCD_REG_PORTSTATUS1) & ADMHCD_CCS) != p1_state) {
441 p[0] = 2;
442 DPRINTF(D_TRACE, ("@"));
443 p1_state=(REG_READ(ADMHCD_REG_PORTSTATUS1) & ADMHCD_CCS);
444 };
445
446 /* no change, return NAK */
447 if (p[0] == 0)
448 return;
449
450 xfer->ux_actlen = 1;
451 xfer->ux_status = USBD_NORMAL_COMPLETION;
452 mutex_enter(&sc->sc_lock);
453 usb_transfer_complete(xfer);
454 mutex_exit(&sc->sc_lock);
455 }
456
457 struct usbd_xfer *
458 ahci_allocx(struct usbd_bus *bus, unsigned int nframes)
459 {
460 struct ahci_softc *sc = AHCI_BUS2SC(bus);
461 struct usbd_xfer *xfer;
462
463 DPRINTF(D_MEM, ("SLallocx"));
464
465 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers);
466 if (xfer) {
467 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, ux_next);
468 #ifdef DIAGNOSTIC
469 if (xfer->ux_state != XFER_FREE) {
470 printf("ahci_allocx: xfer=%p not free, 0x%08x\n",
471 xfer, xfer->ux_state);
472 }
473 #endif
474 } else {
475 xfer = kmem_alloc(sizeof(*xfer), KM_SLEEP);
476 }
477
478 if (xfer) {
479 memset(xfer, 0, sizeof(*xfer));
480 #ifdef DIAGNOSTIC
481 xfer->ux_state = XFER_BUSY;
482 #endif
483 }
484
485 return xfer;
486 }
487
488 void
489 ahci_freex(struct usbd_bus *bus, struct usbd_xfer *xfer)
490 {
491 struct ahci_softc *sc = AHCI_BUS2SC(bus);
492
493 DPRINTF(D_MEM, ("SLfreex"));
494
495 #ifdef DIAGNOSTIC
496 if (xfer->ux_state != XFER_BUSY) {
497 printf("ahci_freex: xfer=%p not busy, 0x%08x\n",
498 xfer, xfer->ux_state);
499 return;
500 }
501 xfer->ux_state = XFER_FREE;
502 #endif
503 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, ux_next);
504 }
505
506 static void
507 ahci_get_lock(struct usbd_bus *bus, kmutex_t **lock)
508 {
509 struct ahci_softc *sc = AHCI_BUS2SC(bus);
510
511 *lock = &sc->sc_lock;
512 }
513
514 void
515 ahci_noop(struct usbd_pipe *pipe)
516 {
517 DPRINTF(D_TRACE, ("%s()", __func__));
518 }
519
520 /*
521 * Data structures and routines to emulate the root hub.
522 */
523
524 static int
525 ahci_roothub_ctrl(struct usbd_bus *bus, usb_device_request_t *req,
526 void *buf, int buflen)
527 {
528 struct ahci_softc *sc = AHCI_BUS2SC(bus);
529 uint16_t len, value, index;
530 usb_port_status_t ps;
531 int totlen = 0;
532 int status;
533
534 DPRINTF(D_TRACE, ("SLRCstart "));
535
536 len = UGETW(req->wLength);
537 value = UGETW(req->wValue);
538 index = UGETW(req->wIndex);
539
540 #define C(x,y) ((x) | ((y) << 8))
541 switch (C(req->bRequest, req->bmRequestType)) {
542 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
543 switch (value) {
544 case C(0, UDESC_DEVICE): {
545 usb_device_descriptor_t devd;
546
547 DPRINTF(D_MSG, ("UDESC_DEVICE "));
548 totlen = min(buflen, sizeof(devd));
549 memcpy(&devd, buf, totlen);
550 USETW(devd.idVendor, USB_VENDOR_SCANLOGIC);
551 memcpy(buf, &devd, totlen);
552 break;
553 }
554 #define sd ((usb_string_descriptor_t *)buf)
555 case C(1, UDESC_STRING):
556 /* Vendor */
557 totlen = usb_makestrdesc(sd, len, "ADMTek");
558 break;
559 case C(2, UDESC_STRING):
560 /* Product */
561 totlen = usb_makestrdesc(sd, len, "ADM5120 root hub");
562 break;
563 default:
564 printf("unknownGetDescriptor=%x", value);
565 /* default from usbroothub */
566 return buflen;
567 }
568 break;
569 /*
570 * Hub specific requests
571 */
572 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
573 /* Clear Hub Feature, 11.16.2.1, not supported */
574 DPRINTF(D_MSG, ("ClearHubFeature not supported\n"));
575 break;
576 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
577
578 #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x))
579 /* Clear Port Feature, 11.16.2.2 */
580 if (index != 1 && index != 2 ) {
581 return -1;
582 }
583 switch (value) {
584 case UHF_PORT_POWER:
585 DPRINTF(D_MSG, ("POWER_OFF "));
586 WPS(ADMHCD_LSDA);
587 break;
588 case UHF_PORT_SUSPEND:
589 DPRINTF(D_MSG, ("SUSPEND "));
590 WPS(ADMHCD_POCI);
591 break;
592 case UHF_PORT_ENABLE:
593 DPRINTF(D_MSG, ("ENABLE "));
594 WPS(ADMHCD_CCS);
595 break;
596 case UHF_C_PORT_CONNECTION:
597 WPS(ADMHCD_CSC);
598 break;
599 case UHF_C_PORT_RESET:
600 WPS(ADMHCD_PRSC);
601 break;
602 case UHF_C_PORT_SUSPEND:
603 WPS(ADMHCD_PSSC);
604 break;
605 case UHF_C_PORT_ENABLE:
606 WPS(ADMHCD_PESC);
607 break;
608 case UHF_C_PORT_OVER_CURRENT:
609 WPS(ADMHCD_OCIC);
610 break;
611 default:
612 printf("ClrPortFeatERR:value=0x%x ", value);
613 return -1;
614 }
615 //DPRINTF(D_XFER, ("CH=%04x ", sc->sc_change));
616 #undef WPS
617 break;
618 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER):
619 /* Get Bus State, 11.16.2.3, not supported */
620 /* shall return a STALL... */
621 break;
622 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
623 /* Get Hub Descriptor, 11.16.2.4 */
624 DPRINTF(D_MSG, ("UR_GET_DESCRIPTOR RCD"));
625 if ((value&0xff) != 0) {
626 return -1;
627 }
628 usb_hub_descriptor_t hubd;
629
630 totlen = min(buflen, sizeof(hubd));
631 memcpy(&hubd, buf, totlen);
632 hubd.bNbrPorts = 2;
633 USETW(hubd.wHubCharacteristics, 0);
634 hubd.bPwrOn2PwrGood = 0;
635 memcpy(buf, &hubd, totlen);
636 break;
637 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
638 /* Get Hub Status, 11.16.2.5 */
639 DPRINTF(D_MSG, ("UR_GET_STATUS RCD"));
640 if (len != 4) {
641 return -1;
642 }
643 memset(buf, 0, len);
644 totlen = len;
645 break;
646 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
647 /* Get Port Status, 11.16.2.6 */
648 if ((index != 1 && index != 2) || len != 4) {
649 printf("index=%d,len=%d ", index, len);
650 return -1;
651 }
652 status = REG_READ(ADMHCD_REG_PORTSTATUS0+(index-1)*4);
653 DPRINTF(D_MSG, ("UR_GET_STATUS RCO=%x ", status));
654
655 //DPRINTF(D_XFER, ("ST=%04x,CH=%04x ", status, sc->sc_change));
656 USETW(ps.wPortStatus, status & (UPS_CURRENT_CONNECT_STATUS|UPS_PORT_ENABLED|UPS_SUSPEND|UPS_OVERCURRENT_INDICATOR|UPS_RESET|UPS_PORT_POWER|UPS_LOW_SPEED));
657 USETW(ps.wPortChange, (status>>16) & (UPS_C_CONNECT_STATUS|UPS_C_PORT_ENABLED|UPS_C_SUSPEND|UPS_C_OVERCURRENT_INDICATOR|UPS_C_PORT_RESET));
658 totlen = min(len, sizeof(ps));
659 memcpy(buf, &ps, totlen);
660 break;
661 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
662 /* Set Hub Descriptor, 11.16.2.7, not supported */
663 /* STALL ? */
664 return -1;
665 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
666 /* Set Hub Feature, 11.16.2.8, not supported */
667 break;
668 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
669 #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x))
670 /* Set Port Feature, 11.16.2.9 */
671 if ((index != 1) && (index !=2)) {
672 printf("index=%d ", index);
673 return -1;
674 }
675 switch (value) {
676 case UHF_PORT_RESET:
677 DPRINTF(D_MSG, ("PORT_RESET "));
678 WPS(ADMHCD_PRS);
679 break;
680 case UHF_PORT_POWER:
681 DPRINTF(D_MSG, ("PORT_POWER "));
682 WPS(ADMHCD_PPS);
683 break;
684 case UHF_PORT_ENABLE:
685 DPRINTF(D_MSG, ("PORT_ENABLE "));
686 WPS(ADMHCD_PES);
687 break;
688 default:
689 printf("SetPortFeatERR=0x%x ", value);
690 return -1;
691 }
692 #undef WPS
693 break;
694 default:
695 DPRINTF(D_MSG, ("ioerr(UR=%02x,UT=%02x) ",
696 req->bRequest, req->bmRequestType));
697 /* default from usbroothub */
698 return buflen;
699 }
700
701 return totlen;
702 }
703
704 static usbd_status
705 ahci_root_intr_transfer(struct usbd_xfer *xfer)
706 {
707 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
708 usbd_status error;
709
710 DPRINTF(D_TRACE, ("SLRItransfer "));
711
712 /* Insert last in queue */
713 mutex_enter(&sc->sc_lock);
714 error = usb_insert_transfer(xfer);
715 mutex_exit(&sc->sc_lock);
716 if (error)
717 return error;
718
719 /*
720 * Pipe isn't running (otherwise error would be USBD_INPROG),
721 * start first.
722 */
723 return ahci_root_intr_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
724 }
725
726 static usbd_status
727 ahci_root_intr_start(struct usbd_xfer *xfer)
728 {
729 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
730
731 DPRINTF(D_TRACE, ("SLRIstart "));
732
733 sc->sc_interval = MS_TO_TICKS(xfer->ux_pipe->up_endpoint->ue_edesc->bInterval);
734 callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer);
735 sc->sc_intr_xfer = xfer;
736 return USBD_IN_PROGRESS;
737 }
738
739 static void
740 ahci_root_intr_abort(struct usbd_xfer *xfer)
741 {
742 DPRINTF(D_TRACE, ("SLRIabort "));
743 }
744
745 static void
746 ahci_root_intr_close(struct usbd_pipe *pipe)
747 {
748 struct ahci_softc *sc = AHCI_PIPE2SC(pipe);
749
750 DPRINTF(D_TRACE, ("SLRIclose "));
751
752 callout_stop(&sc->sc_poll_handle);
753 sc->sc_intr_xfer = NULL;
754 }
755
756 static void
757 ahci_root_intr_done(struct usbd_xfer *xfer)
758 {
759 //DPRINTF(D_XFER, ("RIdn "));
760 }
761
762 static usbd_status
763 ahci_device_ctrl_transfer(struct usbd_xfer *xfer)
764 {
765 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
766 usbd_status error;
767
768 DPRINTF(D_TRACE, ("C"));
769
770 mutex_enter(&sc->sc_lock);
771 error = usb_insert_transfer(xfer);
772 mutex_exit(&sc->sc_lock);
773 if (error)
774 return error;
775
776 return ahci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
777 }
778
779 static usbd_status
780 ahci_device_ctrl_start(struct usbd_xfer *xfer)
781 {
782 usbd_status status = USBD_NORMAL_COMPLETION;
783 int s, err;
784 static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep;
785 static struct admhcd_td td_v[4] __attribute__((aligned(16))), *td, *td1, *td2, *td3;
786 static usb_dma_t reqdma;
787 struct usbd_pipe *pipe = xfer->ux_pipe;
788 usb_device_request_t *req = &xfer->ux_request;
789 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
790 int len, isread;
791
792
793 #if 0
794 struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->ux_pipe;
795 #endif
796 mutex_enter(&sc->sc_lock);
797 /* printf("ctrl_start>>>\n"); */
798
799 #ifdef DIAGNOSTIC
800 if (!(xfer->ux_rqflags & URQ_REQUEST)) {
801 /* XXX panic */
802 printf("ahci_device_ctrl_transfer: not a request\n");
803 return USBD_INVAL;
804 }
805 #endif
806
807 #define KSEG1ADDR(x) (0xa0000000 | (((uint32_t)x) & 0x1fffffff))
808 DPRINTF(D_TRACE, ("st "));
809 if (!ep) {
810 ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v);
811 td = (struct admhcd_td *)KSEG1ADDR(&td_v[0]);
812 td1 = (struct admhcd_td *)KSEG1ADDR(&td_v[1]);
813 td2 = (struct admhcd_td *)KSEG1ADDR(&td_v[2]);
814 td3 = (struct admhcd_td *)KSEG1ADDR(&td_v[3]);
815 err = usb_allocmem(&sc->sc_bus,
816 sizeof(usb_device_request_t),
817 0, &reqdma);
818 if (err)
819 return USBD_NOMEM;
820
821 /* printf("ep: %p\n",ep); */
822 };
823
824 ep->control = pipe->up_dev->ud_addr | \
825 ((pipe->up_dev->ud_speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \
826 ((UGETW(pipe->up_endpoint->ue_edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT);
827 memcpy(KERNADDR(&reqdma, 0), req, sizeof *req);
828 /* printf("status: %x\n",REG_READ(ADMHCD_REG_PORTSTATUS0));
829 printf("ep_control: %x\n",ep->control);
830 printf("speed: %x\n",pipe->up_dev->ud_speed);
831 printf("req: %p\n",req);
832 printf("dmabuf: %p\n",xfer->ux_dmabuf.block); */
833
834 isread = req->bmRequestType & UT_READ;
835 len = UGETW(req->wLength);
836
837 ep->next = ep;
838
839 td->buffer = DMAADDR(&reqdma,0) | 0xa0000000;
840 td->buflen=sizeof(*req);
841 td->control=ADMHCD_TD_SETUP | ADMHCD_TD_DATA0 | ADMHCD_TD_OWN;
842
843 if (len) {
844 td->next = td1;
845
846 td1->buffer = DMAADDR(&xfer->ux_dmabuf,0) | 0xa0000000;
847 td1->buflen = len;
848 td1->next = td2;
849 td1->control= (isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | ADMHCD_TD_DATA1 | ADMHCD_TD_R | ADMHCD_TD_OWN;
850 } else {
851 td1->control = 0;
852 td->next = td2;
853 };
854
855 td2->buffer = 0;
856 td2->buflen= 0;
857 td2->next = td3;
858 td2->control = (isread?ADMHCD_TD_OUT:ADMHCD_TD_IN) | ADMHCD_TD_DATA1 | ADMHCD_TD_OWN;
859
860 td3->buffer = 0;
861 td3->buflen= 0;
862 td3->next = 0;
863 td3->control = 0;
864
865 ep->head = td;
866 ep->tail = td3;
867 /*
868 printf("ep: %p\n",ep);
869 printf("ep->next: %p\n",ep->next);
870 printf("ep->head: %p\n",ep->head);
871 printf("ep->tail: %p\n",ep->tail);
872 printf("td: %p\n",td);
873 printf("td->next: %p\n",td->next);
874 printf("td->buffer: %x\n",td->buffer);
875 printf("td->buflen: %x\n",td->buflen);
876 printf("td1: %p\n",td1);
877 printf("td1->next: %p\n",td1->next);
878 printf("td2: %p\n",td2);
879 printf("td2->next: %p\n",td2->next);
880 printf("td3: %p\n",td3);
881 printf("td3->next: %p\n",td3->next);
882 */
883
884 REG_WRITE(ADMHCD_REG_HOSTHEAD, (uint32_t)ep);
885 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN);
886 /* printf("1: %x %x %x %x\n", ep->control, td->control, td1->control, td2->control); */
887 s=100;
888 while (s--) {
889 delay_ms(10);
890 /* printf("%x %x %x %x\n", ep->control, td->control, td1->control, td2->control);*/
891 status = USBD_TIMEOUT;
892 if (td->control & ADMHCD_TD_OWN) continue;
893
894 err = (td->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
895 if (err) {
896 status = USBD_IOERROR;
897 break;
898 };
899
900 status = USBD_TIMEOUT;
901 if (td1->control & ADMHCD_TD_OWN) continue;
902 err = (td1->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
903 if (err) {
904 status = USBD_IOERROR;
905 break;
906 };
907
908 status = USBD_TIMEOUT;
909 if (td2->control & ADMHCD_TD_OWN) continue;
910 err = (td2->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
911 if (err) {
912 status = USBD_IOERROR;
913 };
914 status = USBD_NORMAL_COMPLETION;
915 break;
916
917 };
918 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
919
920 xfer->ux_actlen = len;
921 xfer->ux_status = status;
922
923 /* printf("ctrl_start<<<\n"); */
924
925 usb_transfer_complete(xfer);
926 mutex_exit(&sc->sc_lock);
927 return USBD_NORMAL_COMPLETION;
928 }
929
930 static void
931 ahci_device_ctrl_abort(struct usbd_xfer *xfer)
932 {
933 DPRINTF(D_TRACE, ("Cab "));
934 ahci_abort_xfer(xfer, USBD_CANCELLED);
935 }
936
937 static void
938 ahci_device_ctrl_close(struct usbd_pipe *pipe)
939 {
940 DPRINTF(D_TRACE, ("Ccl "));
941 }
942
943 static void
944 ahci_device_ctrl_done(struct usbd_xfer *xfer)
945 {
946 DPRINTF(D_TRACE, ("Cdn "));
947 }
948
949 static usbd_status
950 ahci_device_intr_transfer(struct usbd_xfer *xfer)
951 {
952 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
953 usbd_status error;
954
955 DPRINTF(D_TRACE, ("INTRtrans "));
956
957 mutex_enter(&sc->sc_lock);
958 error = usb_insert_transfer(xfer);
959 mutex_exit(&sc->sc_lock);
960 if (error)
961 return error;
962
963 return ahci_device_intr_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
964 }
965
966 static usbd_status
967 ahci_device_intr_start(struct usbd_xfer *xfer)
968 {
969 struct usbd_pipe *pipe = xfer->ux_pipe;
970 struct ahci_xfer *sx;
971
972 DPRINTF(D_TRACE, ("INTRstart "));
973
974 sx = kmem_intr_alloc(sizeof(*sx), KM_NOSLEEP);
975 if (sx == NULL)
976 goto reterr;
977 memset(sx, 0, sizeof(*sx));
978 sx->sx_xfer = xfer;
979 xfer->ux_hcpriv = sx;
980
981 /* initialize callout */
982 callout_init(&sx->sx_callout_t, 0);
983 callout_reset(&sx->sx_callout_t,
984 MS_TO_TICKS(pipe->up_endpoint->ue_edesc->bInterval),
985 ahci_poll_device, sx);
986
987 /* ACK */
988 return USBD_IN_PROGRESS;
989
990 reterr:
991 return USBD_IOERROR;
992 }
993
994 static void
995 ahci_poll_device(void *arg)
996 {
997 struct ahci_xfer *sx = (struct ahci_xfer *)arg;
998 struct usbd_xfer *xfer = sx->sx_xfer;
999 struct usbd_pipe *pipe = xfer->ux_pipe;
1000 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1001 void *buf;
1002 int pid;
1003 int r;
1004
1005 DPRINTF(D_TRACE, ("pldev"));
1006
1007 callout_reset(&sx->sx_callout_t,
1008 MS_TO_TICKS(pipe->up_endpoint->ue_edesc->bInterval),
1009 ahci_poll_device, sx);
1010
1011 /* interrupt transfer */
1012 pid = (UE_GET_DIR(pipe->up_endpoint->ue_edesc->bEndpointAddress) == UE_DIR_IN)
1013 ? ADMHCD_TD_IN : ADMHCD_TD_OUT;
1014 buf = KERNADDR(&xfer->ux_dmabuf, 0);
1015
1016 r = ahci_transaction(sc, pipe, pid, xfer->ux_length, buf, 0/*toggle*/);
1017 if (r < 0) {
1018 DPRINTF(D_MSG, ("%s error", __func__));
1019 return;
1020 }
1021 /* no change, return NAK */
1022 if (r == 0)
1023 return;
1024
1025 xfer->ux_status = USBD_NORMAL_COMPLETION;
1026 mutex_enter(&sc->sc_lock);
1027 usb_transfer_complete(xfer);
1028 mutex_exit(&sc->sc_lock);
1029 }
1030
1031 static void
1032 ahci_device_intr_abort(struct usbd_xfer *xfer)
1033 {
1034 struct ahci_xfer *sx;
1035
1036 DPRINTF(D_TRACE, ("INTRabort "));
1037
1038 sx = xfer->ux_hcpriv;
1039 if (sx) {
1040 callout_stop(&sx->sx_callout_t);
1041 kmem_intr_free(sx, sizeof(*sx));
1042 xfer->ux_hcpriv = NULL;
1043 } else {
1044 printf("%s: sx == NULL!\n", __func__);
1045 }
1046 ahci_abort_xfer(xfer, USBD_CANCELLED);
1047 }
1048
1049 static void
1050 ahci_device_intr_close(struct usbd_pipe *pipe)
1051 {
1052 DPRINTF(D_TRACE, ("INTRclose "));
1053 }
1054
1055 static void
1056 ahci_device_intr_done(struct usbd_xfer *xfer)
1057 {
1058 DPRINTF(D_TRACE, ("INTRdone "));
1059 }
1060
1061 static usbd_status
1062 ahci_device_isoc_transfer(struct usbd_xfer *xfer)
1063 {
1064 DPRINTF(D_TRACE, ("S"));
1065 return USBD_NORMAL_COMPLETION;
1066 }
1067
1068 static usbd_status
1069 ahci_device_isoc_start(struct usbd_xfer *xfer)
1070 {
1071 DPRINTF(D_TRACE, ("st "));
1072 return USBD_NORMAL_COMPLETION;
1073 }
1074
1075 static void
1076 ahci_device_isoc_abort(struct usbd_xfer *xfer)
1077 {
1078 DPRINTF(D_TRACE, ("Sab "));
1079 }
1080
1081 static void
1082 ahci_device_isoc_close(struct usbd_pipe *pipe)
1083 {
1084 DPRINTF(D_TRACE, ("Scl "));
1085 }
1086
1087 static void
1088 ahci_device_isoc_done(struct usbd_xfer *xfer)
1089 {
1090 DPRINTF(D_TRACE, ("Sdn "));
1091 }
1092
1093 static usbd_status
1094 ahci_device_bulk_transfer(struct usbd_xfer *xfer)
1095 {
1096 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1097 usbd_status error;
1098
1099 DPRINTF(D_TRACE, ("B"));
1100
1101 mutex_enter(&sc->sc_lock);
1102 error = usb_insert_transfer(xfer);
1103 mutex_exit(&sc->sc_lock);
1104 if (error)
1105 return error;
1106
1107 return ahci_device_bulk_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
1108 }
1109
1110 static usbd_status
1111 ahci_device_bulk_start(struct usbd_xfer *xfer)
1112 {
1113 #define NBULK_TDS 32
1114 static volatile int level = 0;
1115 usbd_status status = USBD_NORMAL_COMPLETION;
1116 int s, err;
1117 static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep;
1118 static struct admhcd_td td_v[NBULK_TDS] __attribute__((aligned(16))), *td[NBULK_TDS];
1119 struct usbd_pipe *pipe = xfer->ux_pipe;
1120 struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1121 int endpt, i, len, tlen, segs, offset, isread, toggle, short_ok;
1122 struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->ux_pipe;
1123
1124 #define KSEG1ADDR(x) (0xa0000000 | (((uint32_t)x) & 0x1fffffff))
1125 DPRINTF(D_TRACE, ("st "));
1126
1127 #ifdef DIAGNOSTIC
1128 if (xfer->ux_rqflags & URQ_REQUEST) {
1129 /* XXX panic */
1130 printf("ohci_device_bulk_start: a request\n");
1131 return USBD_INVAL;
1132 }
1133 #endif
1134
1135 mutex_enter(&sc->sc_lock);
1136 level++;
1137 /* printf("bulk_start>>>\n"); */
1138
1139 if (!ep) {
1140 ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v);
1141 for (i=0; i<NBULK_TDS; i++) {
1142 td[i] = (struct admhcd_td *)KSEG1ADDR(&td_v[i]);
1143 };
1144 /* printf("ep: %p\n",ep);*/
1145 };
1146 if (apipe->toggle == 0) {
1147 toggle = ADMHCD_TD_DATA0;
1148 } else {
1149 toggle = apipe->toggle;
1150 };
1151
1152 endpt = pipe->up_endpoint->ue_edesc->bEndpointAddress;
1153 ep->control = pipe->up_dev->ud_addr | ((endpt & 0xf) << ADMHCD_ED_EPSHIFT)|\
1154 ((pipe->up_dev->ud_speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \
1155 ((UGETW(pipe->up_endpoint->ue_edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT);
1156
1157 short_ok = xfer->ux_flags & USBD_SHORT_XFER_OK?ADMHCD_TD_R:0;
1158 /* printf("level: %d\n",level);
1159 printf("short_xfer: %x\n",short_ok);
1160 printf("ep_control: %x\n",ep->control);
1161 printf("speed: %x\n",pipe->up_dev->ud_speed);
1162 printf("dmabuf: %p\n",xfer->ux_dmabuf.block); */
1163
1164 isread = UE_GET_DIR(endpt) == UE_DIR_IN;
1165 len = xfer->ux_length;
1166
1167 ep->next = ep;
1168
1169 i = 0;
1170 offset = 0;
1171 while ((len>0) || (i==0)) {
1172 tlen = min(len,4096);
1173 td[i]->buffer = DMAADDR(&xfer->ux_dmabuf,offset) | 0xa0000000;
1174 td[i]->buflen=tlen;
1175 td[i]->control=(isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | toggle | ADMHCD_TD_OWN | short_ok;
1176 td[i]->len=tlen;
1177 toggle = ADMHCD_TD_TOGGLE;
1178 len -= tlen;
1179 offset += tlen;
1180 td[i]->next = td[i+1];
1181 i++;
1182 };
1183
1184 td[i]->buffer = 0;
1185 td[i]->buflen = 0;
1186 td[i]->control = 0;
1187 td[i]->next = 0;
1188
1189 ep->head = td[0];
1190 ep->tail = td[i];
1191 segs = i;
1192 len = 0;
1193
1194 /* printf("segs: %d\n",segs);
1195 printf("ep: %p\n",ep);
1196 printf("ep->control: %x\n",ep->control);
1197 printf("ep->next: %p\n",ep->next);
1198 printf("ep->head: %p\n",ep->head);
1199 printf("ep->tail: %p\n",ep->tail);
1200 for (i=0; i<segs; i++) {
1201 printf("td[%d]: %p\n",i,td[i]);
1202 printf("td[%d]->control: %x\n",i,td[i]->control);
1203 printf("td[%d]->next: %p\n",i,td[i]->next);
1204 printf("td[%d]->buffer: %x\n",i,td[i]->buffer);
1205 printf("td[%d]->buflen: %x\n",i,td[i]->buflen);
1206 }; */
1207
1208 REG_WRITE(ADMHCD_REG_HOSTHEAD, (uint32_t)ep);
1209 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN);
1210 i = 0;
1211 /* printf("1: %x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */
1212 s=100;
1213 err = 0;
1214 while (s--) {
1215 /* printf("%x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */
1216 status = USBD_TIMEOUT;
1217 if (td[i]->control & ADMHCD_TD_OWN) {
1218 delay_ms(3);
1219 continue;
1220 };
1221
1222 len += td[i]->len - td[i]->buflen;
1223
1224 err = (td[i]->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
1225 if (err) {
1226 status = USBD_IOERROR;
1227 break;
1228 };
1229
1230 i++;
1231 if (i==segs) {
1232 status = USBD_NORMAL_COMPLETION;
1233 break;
1234 };
1235
1236 };
1237 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
1238
1239 apipe->toggle = ((uint32_t)ep->head & 2)?ADMHCD_TD_DATA1:ADMHCD_TD_DATA0;
1240 /* printf("bulk_transfer_done: status: %x, err: %x, len: %x, toggle: %x\n", status,err,len,apipe->toggle); */
1241
1242 if (short_ok && (err == 0x9 || err == 0xd)) {
1243 /* printf("bulk_transfer_done: short_transfer fix\n"); */
1244 status = USBD_NORMAL_COMPLETION;
1245 };
1246 xfer->ux_actlen = len;
1247 xfer->ux_status = status;
1248
1249 level--;
1250 /* printf("bulk_start<<<\n"); */
1251
1252 usb_transfer_complete(xfer);
1253 mutex_exit(&sc->sc_lock);
1254
1255 return USBD_NORMAL_COMPLETION;
1256 }
1257
1258 static void
1259 ahci_device_bulk_abort(struct usbd_xfer *xfer)
1260 {
1261 DPRINTF(D_TRACE, ("Bab "));
1262 ahci_abort_xfer(xfer, USBD_CANCELLED);
1263 }
1264
1265 static void
1266 ahci_device_bulk_close(struct usbd_pipe *pipe)
1267 {
1268 DPRINTF(D_TRACE, ("Bcl "));
1269 }
1270
1271 static void
1272 ahci_device_bulk_done(struct usbd_xfer *xfer)
1273 {
1274 DPRINTF(D_TRACE, ("Bdn "));
1275 }
1276
1277 #define DATA0_RD (0x03)
1278 #define DATA0_WR (0x07)
1279 #define AHCI_TIMEOUT (5000)
1280
1281 /*
1282 * Do a transaction.
1283 * return 1 if ACK, 0 if NAK, -1 if error.
1284 */
1285 static int
1286 ahci_transaction(struct ahci_softc *sc, struct usbd_pipe *pipe,
1287 uint8_t pid, int len, u_char *buf, uint8_t toggle)
1288 {
1289 return -1;
1290 #if 0
1291 #ifdef AHCI_DEBUG
1292 char str[64];
1293 int i;
1294 #endif
1295 int timeout;
1296 int ls_via_hub = 0;
1297 int pl;
1298 uint8_t isr;
1299 uint8_t result = 0;
1300 uint8_t devaddr = pipe->up_dev->ud_addr;
1301 uint8_t endpointaddr = pipe->up_endpoint->ue_edesc->bEndpointAddress;
1302 uint8_t endpoint;
1303 uint8_t cmd = DATA0_RD;
1304
1305 endpoint = UE_GET_ADDR(endpointaddr);
1306 DPRINTF(D_XFER, ("\n(%x,%d%s%d,%d) ",
1307 pid, len, (pid == SL11_PID_IN) ? "<-" : "->", devaddr, endpoint));
1308
1309 /* Set registers */
1310 sl11write(sc, SL11_E0ADDR, 0x40);
1311 sl11write(sc, SL11_E0LEN, len);
1312 sl11write(sc, SL11_E0PID, (pid << 4) + endpoint);
1313 sl11write(sc, SL11_E0DEV, devaddr);
1314
1315 /* Set buffer unless PID_IN */
1316 if (pid != SL11_PID_IN) {
1317 if (len > 0)
1318 sl11write_region(sc, 0x40, buf, len);
1319 cmd = DATA0_WR;
1320 }
1321
1322 /* timing ? */
1323 pl = (len >> 3) + 3;
1324
1325 /* Low speed device via HUB */
1326 /* XXX does not work... */
1327 if ((sc->sc_fullspeed) && pipe->up_dev->ud_speed == USB_SPEED_LOW) {
1328 pl = len + 16;
1329 cmd |= SL11_EPCTRL_PREAMBLE;
1330
1331 /*
1332 * SL811HS/T rev 1.2 has a bug, when it got PID_IN
1333 * from LowSpeed device via HUB.
1334 */
1335 if (sc->sc_sltype == SLTYPE_SL811HS_R12 && pid == SL11_PID_IN) {
1336 ls_via_hub = 1;
1337 DPRINTF(D_MSG, ("LSvH "));
1338 }
1339 }
1340
1341 /* timing ? */
1342 if (sl11read(sc, SL811_CSOF) <= (uint8_t)pl)
1343 cmd |= SL11_EPCTRL_SOF;
1344
1345 /* Transfer */
1346 sl11write(sc, SL11_ISR, 0xff);
1347 sl11write(sc, SL11_E0CTRL, cmd | toggle);
1348
1349 /* Polling */
1350 for (timeout = AHCI_TIMEOUT; timeout; timeout--) {
1351 isr = sl11read(sc, SL11_ISR);
1352 if ((isr & SL11_ISR_USBA))
1353 break;
1354 }
1355
1356 /* Check result status */
1357 result = sl11read(sc, SL11_E0STAT);
1358 if (!(result & SL11_EPSTAT_NAK) && ls_via_hub) {
1359 /* Resend PID_IN within 20usec */
1360 sl11write(sc, SL11_ISR, 0xff);
1361 sl11write(sc, SL11_E0CTRL, SL11_EPCTRL_ARM);
1362 }
1363
1364 sl11write(sc, SL11_ISR, 0xff);
1365
1366 DPRINTF(D_XFER, ("t=%d i=%x ", AHCI_TIMEOUT - timeout, isr));
1367 #if AHCI_DEBUG
1368 snprintb(str, sizeof(str),
1369 "\20\x8STALL\7NAK\6OV\5SETUP\4DATA1\3TIMEOUT\2ERR\1ACK", result);
1370 DPRINTF(D_XFER, ("STAT=%s ", str));
1371 #endif
1372
1373 if ((result & SL11_EPSTAT_ERROR))
1374 return -1;
1375
1376 if ((result & SL11_EPSTAT_NAK))
1377 return 0;
1378
1379 /* Read buffer if PID_IN */
1380 if (pid == SL11_PID_IN && len > 0) {
1381 sl11read_region(sc, buf, 0x40, len);
1382 #if AHCI_DEBUG
1383 for (i = 0; i < len; i++)
1384 DPRINTF(D_XFER, ("%02X ", buf[i]));
1385 #endif
1386 }
1387
1388 return 1;
1389 #endif
1390 }
1391
1392 void
1393 ahci_abort_xfer(struct usbd_xfer *xfer, usbd_status status)
1394 {
1395 xfer->ux_status = status;
1396 usb_transfer_complete(xfer);
1397 }
1398
1399 void
1400 ahci_device_clear_toggle(struct usbd_pipe *pipe)
1401 {
1402 struct ahci_pipe *apipe = (struct ahci_pipe *)pipe;
1403 apipe->toggle = 0;
1404 }
1405
1406 #ifdef AHCI_DEBUG
1407 void
1408 print_req(usb_device_request_t *r)
1409 {
1410 const char *xmes[]={
1411 "GETSTAT",
1412 "CLRFEAT",
1413 "res",
1414 "SETFEAT",
1415 "res",
1416 "SETADDR",
1417 "GETDESC",
1418 "SETDESC",
1419 "GETCONF",
1420 "SETCONF",
1421 "GETIN/F",
1422 "SETIN/F",
1423 "SYNC_FR"
1424 };
1425 int req, type, value, index, len;
1426
1427 req = r->bRequest;
1428 type = r->bmRequestType;
1429 value = UGETW(r->wValue);
1430 index = UGETW(r->wIndex);
1431 len = UGETW(r->wLength);
1432
1433 printf("%x,%s,v=%d,i=%d,l=%d ",
1434 type, xmes[req], value, index, len);
1435 }
1436
1437 void
1438 print_req_hub(usb_device_request_t *r)
1439 {
1440 struct {
1441 int req;
1442 int type;
1443 const char *str;
1444 } conf[] = {
1445 { 1, 0x20, "ClrHubFeat" },
1446 { 1, 0x23, "ClrPortFeat" },
1447 { 2, 0xa3, "GetBusState" },
1448 { 6, 0xa0, "GetHubDesc" },
1449 { 0, 0xa0, "GetHubStat" },
1450 { 0, 0xa3, "GetPortStat" },
1451 { 7, 0x20, "SetHubDesc" },
1452 { 3, 0x20, "SetHubFeat" },
1453 { 3, 0x23, "SetPortFeat" },
1454 {-1, 0, NULL},
1455 };
1456 int i;
1457 int value, index, len;
1458
1459 value = UGETW(r->wValue);
1460 index = UGETW(r->wIndex);
1461 len = UGETW(r->wLength);
1462 for (i = 0; ; i++) {
1463 if (conf[i].req == -1 )
1464 return print_req(r);
1465 if (r->bmRequestType == conf[i].type && r->bRequest == conf[i].req) {
1466 printf("%s", conf[i].str);
1467 break;
1468 }
1469 }
1470 printf(",v=%d,i=%d,l=%d ", value, index, len);
1471 }
1472
1473 void
1474 print_dumpreg(struct ahci_softc *sc)
1475 {
1476 #if 0
1477 printf("00=%02x,01=%02x,02=%02x,03=%02x,04=%02x,"
1478 "08=%02x,09=%02x,0A=%02x,0B=%02x,0C=%02x,",
1479 sl11read(sc, 0), sl11read(sc, 1),
1480 sl11read(sc, 2), sl11read(sc, 3),
1481 sl11read(sc, 4), sl11read(sc, 8),
1482 sl11read(sc, 9), sl11read(sc, 10),
1483 sl11read(sc, 11), sl11read(sc, 12)
1484 );
1485 printf("CR1=%02x,IER=%02x,0D=%02x,0E=%02x,0F=%02x ",
1486 sl11read(sc, 5), sl11read(sc, 6),
1487 sl11read(sc, 13), sl11read(sc, 14), sl11read(sc, 15)
1488 );
1489 #endif
1490 }
1491
1492 void
1493 print_xfer(struct usbd_xfer *xfer)
1494 {
1495 printf("xfer: length=%d, actlen=%d, flags=%x, timeout=%d,",
1496 xfer->ux_length, xfer->ux_actlen, xfer->ux_flags, xfer->ux_timeout);
1497 printf("request{ ");
1498 print_req_hub(&xfer->ux_request);
1499 printf("} ");
1500 }
1501 #endif /* AHCI_DEBUG */
1502