ahci.c revision 1.12.10.1 1 /* $NetBSD: ahci.c,v 1.12.10.1 2016/09/06 20:33:07 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 1.12.10.1 2016/09/06 20:33:07 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/malloc.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
85 #include <mips/adm5120/include/adm5120reg.h>
86 #include <mips/adm5120/include/adm5120var.h>
87 #include <mips/adm5120/include/adm5120_obiovar.h>
88
89 #include <mips/adm5120/dev/ahcireg.h>
90 #include <mips/adm5120/dev/ahcivar.h>
91
92 static usbd_status ahci_open(usbd_pipe_handle);
93 static void ahci_softintr(void *);
94 static void ahci_poll(struct usbd_bus *);
95 static void ahci_poll_hub(void *);
96 static void ahci_poll_device(void *arg);
97 static usbd_status ahci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t);
98 static void ahci_freem(struct usbd_bus *, usb_dma_t *);
99 static usbd_xfer_handle ahci_allocx(struct usbd_bus *);
100 static void ahci_freex(struct usbd_bus *, usbd_xfer_handle);
101
102 static void ahci_get_lock(struct usbd_bus *, kmutex_t **);
103
104 static int ahci_str(usb_string_descriptor_t *, int, const char *);
105
106 static usbd_status ahci_root_ctrl_transfer(usbd_xfer_handle);
107 static usbd_status ahci_root_ctrl_start(usbd_xfer_handle);
108 static void ahci_root_ctrl_abort(usbd_xfer_handle);
109 static void ahci_root_ctrl_close(usbd_pipe_handle);
110 static void ahci_root_ctrl_done(usbd_xfer_handle);
111
112 static usbd_status ahci_root_intr_transfer(usbd_xfer_handle);
113 static usbd_status ahci_root_intr_start(usbd_xfer_handle);
114 static void ahci_root_intr_abort(usbd_xfer_handle);
115 static void ahci_root_intr_close(usbd_pipe_handle);
116 static void ahci_root_intr_done(usbd_xfer_handle);
117
118 static usbd_status ahci_device_ctrl_transfer(usbd_xfer_handle);
119 static usbd_status ahci_device_ctrl_start(usbd_xfer_handle);
120 static void ahci_device_ctrl_abort(usbd_xfer_handle);
121 static void ahci_device_ctrl_close(usbd_pipe_handle);
122 static void ahci_device_ctrl_done(usbd_xfer_handle);
123
124 static usbd_status ahci_device_intr_transfer(usbd_xfer_handle);
125 static usbd_status ahci_device_intr_start(usbd_xfer_handle);
126 static void ahci_device_intr_abort(usbd_xfer_handle);
127 static void ahci_device_intr_close(usbd_pipe_handle);
128 static void ahci_device_intr_done(usbd_xfer_handle);
129
130 static usbd_status ahci_device_isoc_transfer(usbd_xfer_handle);
131 static usbd_status ahci_device_isoc_start(usbd_xfer_handle);
132 static void ahci_device_isoc_abort(usbd_xfer_handle);
133 static void ahci_device_isoc_close(usbd_pipe_handle);
134 static void ahci_device_isoc_done(usbd_xfer_handle);
135
136 static usbd_status ahci_device_bulk_transfer(usbd_xfer_handle);
137 static usbd_status ahci_device_bulk_start(usbd_xfer_handle);
138 static void ahci_device_bulk_abort(usbd_xfer_handle);
139 static void ahci_device_bulk_close(usbd_pipe_handle);
140 static void ahci_device_bulk_done(usbd_xfer_handle);
141
142 static int ahci_transaction(struct ahci_softc *,
143 usbd_pipe_handle, u_int8_t, int, u_char *, u_int8_t);
144 static void ahci_noop(usbd_pipe_handle);
145 static void ahci_abort_xfer(usbd_xfer_handle, usbd_status);
146 static void ahci_device_clear_toggle(usbd_pipe_handle);
147
148 extern int usbdebug;
149 extern int uhubdebug;
150 extern int umassdebug;
151 int ahci_dummy;
152
153 #define AHCI_DEBUG
154
155 /* For root hub */
156 #define AHCI_INTR_ENDPT (1)
157
158 #ifdef AHCI_DEBUG
159 #define D_TRACE (0x0001) /* function trace */
160 #define D_MSG (0x0002) /* debug messages */
161 #define D_XFER (0x0004) /* transfer messages (noisy!) */
162 #define D_MEM (0x0008) /* memory allocation */
163
164 int ahci_debug = 0;
165 #define DPRINTF(z,x) if((ahci_debug&(z))!=0)printf x
166 void print_req(usb_device_request_t *);
167 void print_req_hub(usb_device_request_t *);
168 void print_dumpreg(struct ahci_softc *);
169 void print_xfer(usbd_xfer_handle);
170 #else
171 #define DPRINTF(z,x)
172 #endif
173
174
175 struct usbd_bus_methods ahci_bus_methods = {
176 .open_pipe = ahci_open,
177 .soft_intr = ahci_softintr,
178 .do_poll = ahci_poll,
179 .allocm = ahci_allocm,
180 .freem = ahci_freem,
181 .allocx = ahci_allocx,
182 .freex = ahci_freex,
183 .get_lock = ahci_get_lock,
184 };
185
186 struct usbd_pipe_methods ahci_root_ctrl_methods = {
187 .transfer = ahci_root_ctrl_transfer,
188 .start = ahci_root_ctrl_start,
189 .abort = ahci_root_ctrl_abort,
190 .close = ahci_root_ctrl_close,
191 .cleartoggle = ahci_noop,
192 .done = ahci_root_ctrl_done,
193 };
194
195 struct usbd_pipe_methods ahci_root_intr_methods = {
196 .transfer = ahci_root_intr_transfer,
197 .start = ahci_root_intr_start,
198 .abort = ahci_root_intr_abort,
199 .close = ahci_root_intr_close,
200 .cleartoggle = ahci_noop,
201 .done = ahci_root_intr_done,
202 };
203
204 struct usbd_pipe_methods ahci_device_ctrl_methods = {
205 .transfer = ahci_device_ctrl_transfer,
206 .start = ahci_device_ctrl_start,
207 .abort = ahci_device_ctrl_abort,
208 .close = ahci_device_ctrl_close,
209 .cleartoggle = ahci_noop,
210 .done = ahci_device_ctrl_done,
211 };
212
213 struct usbd_pipe_methods ahci_device_intr_methods = {
214 .transfer = ahci_device_intr_transfer,
215 .start = ahci_device_intr_start,
216 .abort = ahci_device_intr_abort,
217 .close = ahci_device_intr_close,
218 .cleartoggle = ahci_device_clear_toggle,
219 .done = ahci_device_intr_done,
220 };
221
222 struct usbd_pipe_methods ahci_device_isoc_methods = {
223 .transfer = ahci_device_isoc_transfer,
224 .start = ahci_device_isoc_start,
225 .abort = ahci_device_isoc_abort,
226 .close = ahci_device_isoc_close,
227 .cleartoggle = ahci_noop,
228 .done = ahci_device_isoc_done,
229 };
230
231 struct usbd_pipe_methods ahci_device_bulk_methods = {
232 .transfer = ahci_device_bulk_transfer,
233 .start = ahci_device_bulk_start,
234 .abort = ahci_device_bulk_abort,
235 .close = ahci_device_bulk_close,
236 .cleartoggle = ahci_device_clear_toggle,
237 .done = ahci_device_bulk_done,
238 };
239
240 struct ahci_pipe {
241 struct usbd_pipe pipe;
242 u_int32_t toggle;
243 };
244
245 static int ahci_match(device_t, cfdata_t, void *);
246 static void ahci_attach(device_t, device_t, void *);
247
248 CFATTACH_DECL_NEW(ahci, sizeof(struct ahci_softc),
249 ahci_match, ahci_attach, NULL, NULL);
250
251 static int
252 ahci_match(device_t parent, struct cfdata *cf, void *aux)
253 {
254 struct obio_attach_args *aa = aux;
255
256 if (strcmp(aa->oba_name, cf->cf_name) == 0)
257 return (1);
258
259 return (0);
260 }
261
262 #define REG_READ(o) bus_space_read_4(sc->sc_st, sc->sc_ioh, (o))
263 #define REG_WRITE(o,v) bus_space_write_4(sc->sc_st, sc->sc_ioh, (o),(v))
264
265 /*
266 * Attach SL11H/SL811HS. Return 0 if success.
267 */
268 void
269 ahci_attach(device_t parent, device_t self, void *aux)
270 {
271 struct obio_attach_args *aa = aux;
272 struct ahci_softc *sc = device_private(self);
273
274 printf("\n");
275 sc->sc_dmat = aa->oba_dt;
276 sc->sc_st = aa->oba_st;
277
278 /* Initialize sc */
279 sc->sc_bus.ub_revision = USBREV_1_1;
280 sc->sc_bus.ub_methods = &ahci_bus_methods;
281 sc->sc_bus.ub_pipesize = sizeof(struct ahci_pipe);
282 sc->sc_bus.ub_dmatag = sc->sc_dmat;
283
284 /* Map the device. */
285 if (bus_space_map(sc->sc_st, aa->oba_addr,
286 512, 0, &sc->sc_ioh) != 0) {
287 aprint_error_dev(self, "unable to map device\n");
288 return;
289 }
290
291 /* Hook up the interrupt handler. */
292 sc->sc_ih = adm5120_intr_establish(aa->oba_irq, INTR_IRQ, ahci_intr, sc);
293
294 if (sc->sc_ih == NULL) {
295 aprint_error_dev(self,
296 "unable to register interrupt handler\n");
297 return;
298 }
299
300 SIMPLEQ_INIT(&sc->sc_free_xfers);
301
302 callout_init(&sc->sc_poll_handle, 0);
303
304 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB);
305 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED /* XXXNH */);
306
307 REG_WRITE(ADMHCD_REG_INTENABLE, 0); /* disable interrupts */
308 REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_SW_RESET); /* reset */
309 delay_ms(10);
310 while (REG_READ(ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET)
311 delay_ms(1);
312
313 REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_HOST_EN);
314 REG_WRITE(ADMHCD_REG_HOSTHEAD, 0x00000000);
315 REG_WRITE(ADMHCD_REG_FMINTERVAL, 0x20002edf);
316 REG_WRITE(ADMHCD_REG_LSTHRESH, 0x628);
317 REG_WRITE(ADMHCD_REG_RHDESCR, ADMHCD_NPS | ADMHCD_LPSC);
318 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
319
320 REG_WRITE(ADMHCD_REG_INTENABLE, 0); /* XXX: enable interrupts */
321
322 #ifdef USB_DEBUG
323 /* usbdebug = 0x7f;
324 uhubdebug = 0x7f;
325 umassdebug = 0xffffffff; */
326 #endif
327
328 /* Attach USB devices */
329 sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
330
331 }
332
333 int
334 ahci_intr(void *arg)
335 {
336 #if 0
337 struct ahci_softc *sc = arg;
338 u_int8_t r;
339 #ifdef AHCI_DEBUG
340 char bitbuf[256];
341 #endif
342
343 r = sl11read(sc, SL11_ISR);
344
345 sl11write(sc, SL11_ISR, SL11_ISR_DATA | SL11_ISR_SOFTIMER);
346
347 if ((r & SL11_ISR_RESET)) {
348 sc->sc_flags |= AHCDF_RESET;
349 sl11write(sc, SL11_ISR, SL11_ISR_RESET);
350 }
351 if ((r & SL11_ISR_INSERT)) {
352 sc->sc_flags |= AHCDF_INSERT;
353 sl11write(sc, SL11_ISR, SL11_ISR_INSERT);
354 }
355
356 #ifdef AHCI_DEBUG
357 snprintb(bitbuf, sizeof(bitbuf),
358 ((sl11read(sc, SL11_CTRL) & SL11_CTRL_SUSPEND)
359 ? "\20\x8""D+\7RESUME\6INSERT\5SOF\4res\3""BABBLE\2USBB\1USBA"
360 : "\20\x8""D+\7RESET\6INSERT\5SOF\4res\3""BABBLE\2USBB\1USBA"),
361 r);
362
363 DPRINTF(D_XFER, ("I=%s ", bitbuf));
364 #endif /* AHCI_DEBUG */
365 #endif
366
367 return 0;
368 }
369
370 usbd_status
371 ahci_open(usbd_pipe_handle pipe)
372 {
373 usbd_device_handle dev = pipe->device;
374 struct ahci_softc *sc = (struct ahci_softc *)dev->bus;
375 struct ahci_pipe *apipe = (struct ahci_pipe *)pipe;
376 usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc;
377
378 DPRINTF(D_TRACE, ("ahci_open(addr=%d,ep=%d,scaddr=%d)",
379 dev->address, ed->bEndpointAddress, sc->sc_addr));
380
381 apipe->toggle=0;
382
383 if (dev->address == sc->sc_addr) {
384 switch (ed->bEndpointAddress) {
385 case USB_CONTROL_ENDPOINT:
386 pipe->methods = &ahci_root_ctrl_methods;
387 break;
388 case UE_DIR_IN | AHCI_INTR_ENDPT:
389 pipe->methods = &ahci_root_intr_methods;
390 break;
391 default:
392 printf("open:endpointErr!\n");
393 return USBD_INVAL;
394 }
395 } else {
396 switch (ed->bmAttributes & UE_XFERTYPE) {
397 case UE_CONTROL:
398 DPRINTF(D_MSG, ("control "));
399 pipe->methods = &ahci_device_ctrl_methods;
400 break;
401 case UE_INTERRUPT:
402 DPRINTF(D_MSG, ("interrupt "));
403 pipe->methods = &ahci_device_intr_methods;
404 break;
405 case UE_ISOCHRONOUS:
406 DPRINTF(D_MSG, ("isochronous "));
407 pipe->methods = &ahci_device_isoc_methods;
408 break;
409 case UE_BULK:
410 DPRINTF(D_MSG, ("bluk "));
411 pipe->methods = &ahci_device_bulk_methods;
412 break;
413 }
414 }
415 return USBD_NORMAL_COMPLETION;
416 }
417
418 void
419 ahci_softintr(void *arg)
420 {
421 DPRINTF(D_TRACE, ("%s()", __func__));
422 }
423
424 void
425 ahci_poll(struct usbd_bus *bus)
426 {
427 DPRINTF(D_TRACE, ("%s()", __func__));
428 }
429
430 /*
431 * Emulation of interrupt transfer for status change endpoint
432 * of root hub.
433 */
434 void
435 ahci_poll_hub(void *arg)
436 {
437 usbd_xfer_handle xfer = arg;
438 usbd_pipe_handle pipe = xfer->pipe;
439 struct ahci_softc *sc = (struct ahci_softc *)pipe->device->bus;
440 u_char *p;
441 static int p0_state=0;
442 static int p1_state=0;
443
444 callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer);
445
446 /* USB spec 11.13.3 (p.260) */
447 p = KERNADDR(&xfer->dmabuf, 0);
448 p[0] = 0;
449 if ((REG_READ(ADMHCD_REG_PORTSTATUS0) & ADMHCD_CCS) != p0_state) {
450 p[0] = 2;
451 DPRINTF(D_TRACE, ("!"));
452 p0_state=(REG_READ(ADMHCD_REG_PORTSTATUS0) & ADMHCD_CCS);
453 };
454 if ((REG_READ(ADMHCD_REG_PORTSTATUS1) & ADMHCD_CCS) != p1_state) {
455 p[0] = 2;
456 DPRINTF(D_TRACE, ("@"));
457 p1_state=(REG_READ(ADMHCD_REG_PORTSTATUS1) & ADMHCD_CCS);
458 };
459
460 /* no change, return NAK */
461 if (p[0] == 0)
462 return;
463
464 xfer->actlen = 1;
465 xfer->status = USBD_NORMAL_COMPLETION;
466 mutex_enter(&sc->sc_lock);
467 usb_transfer_complete(xfer);
468 mutex_exit(&sc->sc_lock);
469 }
470
471 usbd_status
472 ahci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size)
473 {
474 struct ahci_softc *sc = (struct ahci_softc *)bus;
475
476 DPRINTF(D_MEM, ("SLallocm"));
477 return usb_allocmem(&sc->sc_bus, size, 0, dma);
478 }
479
480 void
481 ahci_freem(struct usbd_bus *bus, usb_dma_t *dma)
482 {
483 struct ahci_softc *sc = (struct ahci_softc *)bus;
484
485 DPRINTF(D_MEM, ("SLfreem"));
486 usb_freemem(&sc->sc_bus, dma);
487 }
488
489 usbd_xfer_handle
490 ahci_allocx(struct usbd_bus *bus)
491 {
492 struct ahci_softc *sc = (struct ahci_softc *)bus;
493 usbd_xfer_handle xfer;
494
495 DPRINTF(D_MEM, ("SLallocx"));
496
497 xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers);
498 if (xfer) {
499 SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, next);
500 #ifdef DIAGNOSTIC
501 if (xfer->busy_free != XFER_FREE) {
502 printf("ahci_allocx: xfer=%p not free, 0x%08x\n",
503 xfer, xfer->busy_free);
504 }
505 #endif
506 } else {
507 xfer = malloc(sizeof(*xfer), M_USB, M_NOWAIT);
508 }
509
510 if (xfer) {
511 memset(xfer, 0, sizeof(*xfer));
512 #ifdef DIAGNOSTIC
513 xfer->busy_free = XFER_BUSY;
514 #endif
515 }
516
517 return xfer;
518 }
519
520 void
521 ahci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer)
522 {
523 struct ahci_softc *sc = (struct ahci_softc *)bus;
524
525 DPRINTF(D_MEM, ("SLfreex"));
526
527 #ifdef DIAGNOSTIC
528 if (xfer->busy_free != XFER_BUSY) {
529 printf("ahci_freex: xfer=%p not busy, 0x%08x\n",
530 xfer, xfer->busy_free);
531 return;
532 }
533 xfer->busy_free = XFER_FREE;
534 #endif
535 SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next);
536 }
537
538 static void
539 ahci_get_lock(struct usbd_bus *bus, kmutex_t **lock)
540 {
541 struct ahci_softc *sc = bus->ub_hcpriv;
542
543 *lock = &sc->sc_lock;
544 }
545
546 void
547 ahci_noop(usbd_pipe_handle pipe)
548 {
549 DPRINTF(D_TRACE, ("%s()", __func__));
550 }
551
552 /*
553 * Data structures and routines to emulate the root hub.
554 */
555 usb_device_descriptor_t ahci_devd = {
556 USB_DEVICE_DESCRIPTOR_SIZE,
557 UDESC_DEVICE, /* type */
558 {0x01, 0x01}, /* USB version */
559 UDCLASS_HUB, /* class */
560 UDSUBCLASS_HUB, /* subclass */
561 0, /* protocol */
562 64, /* max packet */
563 {USB_VENDOR_SCANLOGIC & 0xff, /* vendor ID (low) */
564 USB_VENDOR_SCANLOGIC >> 8 }, /* vendor ID (high) */
565 {0} /* ? */, /* product ID */
566 {0}, /* device */
567 1, /* index to manufacturer */
568 2, /* index to product */
569 0, /* index to serial number */
570 1 /* number of configurations */
571 };
572
573 usb_config_descriptor_t ahci_confd = {
574 USB_CONFIG_DESCRIPTOR_SIZE,
575 UDESC_CONFIG,
576 {USB_CONFIG_DESCRIPTOR_SIZE +
577 USB_INTERFACE_DESCRIPTOR_SIZE +
578 USB_ENDPOINT_DESCRIPTOR_SIZE},
579 1, /* number of interfaces */
580 1, /* configuration value */
581 0, /* index to configuration */
582 UC_SELF_POWERED, /* attributes */
583 250 /* max current is 500mA... */
584 };
585
586 usb_interface_descriptor_t ahci_ifcd = {
587 USB_INTERFACE_DESCRIPTOR_SIZE,
588 UDESC_INTERFACE,
589 0, /* interface number */
590 0, /* alternate setting */
591 1, /* number of endpoint */
592 UICLASS_HUB, /* class */
593 UISUBCLASS_HUB, /* subclass */
594 0, /* protocol */
595 0 /* index to interface */
596 };
597
598 usb_endpoint_descriptor_t ahci_endpd = {
599 USB_ENDPOINT_DESCRIPTOR_SIZE,
600 UDESC_ENDPOINT,
601 UE_DIR_IN | AHCI_INTR_ENDPT, /* endpoint address */
602 UE_INTERRUPT, /* attributes */
603 {8}, /* max packet size */
604 255 /* interval */
605 };
606
607 usb_hub_descriptor_t ahci_hubd = {
608 USB_HUB_DESCRIPTOR_SIZE,
609 UDESC_HUB,
610 2, /* number of ports */
611 { 0, 0}, /* hub characteristics */
612 0, /* 5:power on to power good */
613 0, /* 6:maximum current */
614 { 0x00 }, /* both ports are removable */
615 { 0x00 } /* port power control mask */
616 };
617
618 static int
619 ahci_str(usb_string_descriptor_t *p, int l, const char *s)
620 {
621 int i;
622
623 if (l == 0)
624 return 0;
625 p->bLength = 2 * strlen(s) + 2;
626 if (l == 1)
627 return 1;
628 p->bDescriptorType = UDESC_STRING;
629 l -= 2;
630 for (i = 0; s[i] && l > 1; i++, l -= 2)
631 USETW2(p->bString[i], 0, s[i]);
632 return 2 * i + 2;
633 }
634
635 usbd_status
636 ahci_root_ctrl_transfer(usbd_xfer_handle xfer)
637 {
638 struct ahci_softc *sc = (struct ahci_softc *)xfer->pipe->device->bus;
639 usbd_status error;
640
641 DPRINTF(D_TRACE, ("SLRCtrans "));
642
643 /* Insert last in queue */
644 mutex_enter(&sc->sc_lock);
645 error = usb_insert_transfer(xfer);
646 mutex_exit(&sc->sc_lock);
647 if (error) {
648 DPRINTF(D_MSG, ("usb_insert_transfer returns err! "));
649 return error;
650 }
651
652 /*
653 * Pipe isn't running (otherwise error would be USBD_INPROG),
654 * so start it first.
655 */
656 return ahci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue));
657 }
658
659 usbd_status
660 ahci_root_ctrl_start(usbd_xfer_handle xfer)
661 {
662 struct ahci_softc *sc = (struct ahci_softc *)xfer->pipe->device->bus;
663 usb_device_request_t *req;
664 int len, value, index, l, status;
665 int totlen = 0;
666 void *buf = NULL;
667 usb_port_status_t ps;
668 usbd_status error;
669
670
671 DPRINTF(D_TRACE, ("SLRCstart "));
672
673 req = &xfer->request;
674
675 len = UGETW(req->wLength);
676 value = UGETW(req->wValue);
677 index = UGETW(req->wIndex);
678
679 if (len)
680 buf = KERNADDR(&xfer->dmabuf, 0);
681
682 #ifdef AHCI_DEBUG
683 if ((ahci_debug & D_TRACE))
684 print_req_hub(req);
685 #endif
686
687 #define C(x,y) ((x) | ((y) << 8))
688 switch (C(req->bRequest, req->bmRequestType)) {
689 case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE):
690 DPRINTF(D_MSG, ("UR_CLEAR_FEATURE(DEVICE)XXX "));
691 break;
692 case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE):
693 DPRINTF(D_MSG, ("UR_CLEAR_FEATURE(INTERFACE)XXX "));
694 break;
695 case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT):
696 DPRINTF(D_MSG, ("UR_CLEAR_FEATURE(ENDPOINT)XXX "));
697 break;
698 case C(UR_GET_CONFIG, UT_READ_DEVICE):
699 DPRINTF(D_MSG, ("UR_GET_CONFIG "));
700 if (len > 0) {
701 *(u_int8_t *)buf = sc->sc_conf;
702 totlen = 1;
703 }
704 break;
705 case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
706 switch (value >> 8) {
707 case UDESC_DEVICE:
708 DPRINTF(D_MSG, ("UDESC_DEVICE "));
709 if ((value & 0xff) != 0) {
710 error = USBD_IOERROR;
711 goto ret;
712 }
713 totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE);
714 memcpy(buf, &ahci_devd, l);
715 break;
716 case UDESC_CONFIG:
717 DPRINTF(D_MSG, ("UDESC_CONFIG "));
718 if ((value & 0xff) != 0) {
719 error = USBD_IOERROR;
720 goto ret;
721 }
722 totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE);
723 memcpy(buf, &ahci_confd, l);
724 buf = (char *)buf + l;
725 len -= l;
726
727 l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE);
728 totlen += l;
729 memcpy(buf, &ahci_ifcd, l);
730 buf = (char *)buf + l;
731 len -= l;
732
733 l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE);
734 totlen += l;
735 memcpy(buf, &ahci_endpd, l);
736 break;
737 case UDESC_STRING:
738 DPRINTF(D_MSG, ("UDESC_STR "));
739 if (len == 0)
740 break;
741 *(u_int8_t *)buf = 0;
742 totlen = 1;
743 switch (value & 0xff) {
744 case 0:
745 break;
746 case 1: /* Vendor */
747 totlen = ahci_str(buf, len, "ADMTek");
748 break;
749 case 2: /* Product */
750 totlen = ahci_str(buf, len, "ADM5120 root hub");
751 break;
752 default:
753 printf("strerr%d ", value & 0xff);
754 break;
755 }
756 break;
757 default:
758 printf("unknownGetDescriptor=%x", value);
759 error = USBD_IOERROR;
760 break;
761 }
762 break;
763 case C(UR_GET_INTERFACE, UT_READ_INTERFACE):
764 /* Get Interface, 9.4.4 */
765 if (len > 0) {
766 *(u_int8_t *)buf = 0;
767 totlen = 1;
768 }
769 break;
770 case C(UR_GET_STATUS, UT_READ_DEVICE):
771 /* Get Status from device, 9.4.5 */
772 if (len > 1) {
773 USETW(((usb_status_t *)buf)->wStatus, UDS_SELF_POWERED);
774 totlen = 2;
775 }
776 break;
777 case C(UR_GET_STATUS, UT_READ_INTERFACE):
778 case C(UR_GET_STATUS, UT_READ_ENDPOINT):
779 /* Get Status from interface, endpoint, 9.4.5 */
780 if (len > 1) {
781 USETW(((usb_status_t *)buf)->wStatus, 0);
782 totlen = 2;
783 }
784 break;
785 case C(UR_SET_ADDRESS, UT_WRITE_DEVICE):
786 /* Set Address, 9.4.6 */
787 DPRINTF(D_MSG, ("UR_SET_ADDRESS "));
788 if (value >= USB_MAX_DEVICES) {
789 error = USBD_IOERROR;
790 goto ret;
791 }
792 sc->sc_addr = value;
793 break;
794 case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
795 /* Set Configuration, 9.4.7 */
796 DPRINTF(D_MSG, ("UR_SET_CONFIG "));
797 if (value != 0 && value != 1) {
798 error = USBD_IOERROR;
799 goto ret;
800 }
801 sc->sc_conf = value;
802 break;
803 case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE):
804 /* Set Descriptor, 9.4.8, not supported */
805 DPRINTF(D_MSG, ("UR_SET_DESCRIPTOR,WRITE_DEVICE not supported\n"));
806 break;
807 case C(UR_SET_FEATURE, UT_WRITE_DEVICE):
808 case C(UR_SET_FEATURE, UT_WRITE_INTERFACE):
809 case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT):
810 /* Set Feature, 9.4.9, not supported */
811 DPRINTF(D_MSG, ("UR_SET_FEATURE not supported\n"));
812 error = USBD_IOERROR;
813 break;
814 case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
815 /* Set Interface, 9.4.10, not supported */
816 break;
817 case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT):
818 /* Synch Frame, 9.4.11, not supported */
819 break;
820
821 /*
822 * Hub specific requests
823 */
824 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
825 /* Clear Hub Feature, 11.16.2.1, not supported */
826 DPRINTF(D_MSG, ("ClearHubFeature not supported\n"));
827 break;
828 case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
829
830 #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x))
831 /* Clear Port Feature, 11.16.2.2 */
832 if (index != 1 && index != 2 ) {
833 error = USBD_IOERROR;
834 goto ret;
835 }
836 switch (value) {
837 case UHF_PORT_POWER:
838 DPRINTF(D_MSG, ("POWER_OFF "));
839 WPS(ADMHCD_LSDA);
840 break;
841 case UHF_PORT_SUSPEND:
842 DPRINTF(D_MSG, ("SUSPEND "));
843 WPS(ADMHCD_POCI);
844 break;
845 case UHF_PORT_ENABLE:
846 DPRINTF(D_MSG, ("ENABLE "));
847 WPS(ADMHCD_CCS);
848 break;
849 case UHF_C_PORT_CONNECTION:
850 WPS(ADMHCD_CSC);
851 break;
852 case UHF_C_PORT_RESET:
853 WPS(ADMHCD_PRSC);
854 break;
855 case UHF_C_PORT_SUSPEND:
856 WPS(ADMHCD_PSSC);
857 break;
858 case UHF_C_PORT_ENABLE:
859 WPS(ADMHCD_PESC);
860 break;
861 case UHF_C_PORT_OVER_CURRENT:
862 WPS(ADMHCD_OCIC);
863 break;
864 default:
865 printf("ClrPortFeatERR:value=0x%x ", value);
866 error = USBD_IOERROR;
867 break;
868 }
869 //DPRINTF(D_XFER, ("CH=%04x ", sc->sc_change));
870 #undef WPS
871 break;
872 case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER):
873 /* Get Bus State, 11.16.2.3, not supported */
874 /* shall return a STALL... */
875 break;
876 case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
877 /* Get Hub Descriptor, 11.16.2.4 */
878 DPRINTF(D_MSG, ("UR_GET_DESCRIPTOR RCD"));
879 if ((value&0xff) != 0) {
880 error = USBD_IOERROR;
881 goto ret;
882 }
883 l = min(len, USB_HUB_DESCRIPTOR_SIZE);
884 totlen = l;
885 memcpy(buf, &ahci_hubd, l);
886 break;
887 case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
888 /* Get Hub Status, 11.16.2.5 */
889 DPRINTF(D_MSG, ("UR_GET_STATUS RCD"));
890 if (len != 4) {
891 error = USBD_IOERROR;
892 goto ret;
893 }
894 memset(buf, 0, len);
895 totlen = len;
896 break;
897 case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
898 /* Get Port Status, 11.16.2.6 */
899 if ((index != 1 && index != 2) || len != 4) {
900 printf("index=%d,len=%d ", index, len);
901 error = USBD_IOERROR;
902 goto ret;
903 }
904 status = REG_READ(ADMHCD_REG_PORTSTATUS0+(index-1)*4);
905 DPRINTF(D_MSG, ("UR_GET_STATUS RCO=%x ", status));
906
907 //DPRINTF(D_XFER, ("ST=%04x,CH=%04x ", status, sc->sc_change));
908 USETW(ps.wPortStatus, status & (UPS_CURRENT_CONNECT_STATUS|UPS_PORT_ENABLED|UPS_SUSPEND|UPS_OVERCURRENT_INDICATOR|UPS_RESET|UPS_PORT_POWER|UPS_LOW_SPEED));
909 USETW(ps.wPortChange, (status>>16) & (UPS_C_CONNECT_STATUS|UPS_C_PORT_ENABLED|UPS_C_SUSPEND|UPS_C_OVERCURRENT_INDICATOR|UPS_C_PORT_RESET));
910 l = min(len, sizeof(ps));
911 memcpy(buf, &ps, l);
912 totlen = l;
913 break;
914 case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
915 /* Set Hub Descriptor, 11.16.2.7, not supported */
916 /* STALL ? */
917 error = USBD_IOERROR;
918 break;
919 case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
920 /* Set Hub Feature, 11.16.2.8, not supported */
921 break;
922 case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
923 #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x))
924 /* Set Port Feature, 11.16.2.9 */
925 if ((index != 1) && (index !=2)) {
926 printf("index=%d ", index);
927 error = USBD_IOERROR;
928 goto ret;
929 }
930 switch (value) {
931 case UHF_PORT_RESET:
932 DPRINTF(D_MSG, ("PORT_RESET "));
933 WPS(ADMHCD_PRS);
934 break;
935 case UHF_PORT_POWER:
936 DPRINTF(D_MSG, ("PORT_POWER "));
937 WPS(ADMHCD_PPS);
938 break;
939 case UHF_PORT_ENABLE:
940 DPRINTF(D_MSG, ("PORT_ENABLE "));
941 WPS(ADMHCD_PES);
942 break;
943 default:
944 printf("SetPortFeatERR=0x%x ", value);
945 error = USBD_IOERROR;
946 break;
947 }
948 #undef WPS
949 break;
950 default:
951 DPRINTF(D_MSG, ("ioerr(UR=%02x,UT=%02x) ",
952 req->bRequest, req->bmRequestType));
953 error = USBD_IOERROR;
954 goto ret;
955 }
956 xfer->actlen = totlen;
957 error = USBD_NORMAL_COMPLETION;
958 ret:
959 xfer->status = error;
960 mutex_enter(&sc->sc_lock);
961 usb_transfer_complete(xfer);
962 mutex_exit(&sc->sc_lock);
963 return USBD_IN_PROGRESS;
964 }
965
966 void
967 ahci_root_ctrl_abort(usbd_xfer_handle xfer)
968 {
969 DPRINTF(D_TRACE, ("SLRCabort "));
970 }
971
972 void
973 ahci_root_ctrl_close(usbd_pipe_handle pipe)
974 {
975 DPRINTF(D_TRACE, ("SLRCclose "));
976 }
977
978 void
979 ahci_root_ctrl_done(usbd_xfer_handle xfer)
980 {
981 DPRINTF(D_TRACE, ("SLRCdone\n"));
982 }
983
984 static usbd_status
985 ahci_root_intr_transfer(usbd_xfer_handle xfer)
986 {
987 struct ahci_softc *sc = (struct ahci_softc *)xfer->pipe->device->bus;
988 usbd_status error;
989
990 DPRINTF(D_TRACE, ("SLRItransfer "));
991
992 /* Insert last in queue */
993 mutex_enter(&sc->sc_lock);
994 error = usb_insert_transfer(xfer);
995 mutex_exit(&sc->sc_lock);
996 if (error)
997 return error;
998
999 /*
1000 * Pipe isn't running (otherwise error would be USBD_INPROG),
1001 * start first.
1002 */
1003 return ahci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue));
1004 }
1005
1006 static usbd_status
1007 ahci_root_intr_start(usbd_xfer_handle xfer)
1008 {
1009 usbd_pipe_handle pipe = xfer->pipe;
1010 struct ahci_softc *sc = (struct ahci_softc *)pipe->device->bus;
1011
1012 DPRINTF(D_TRACE, ("SLRIstart "));
1013
1014 sc->sc_interval = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval);
1015 callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer);
1016 sc->sc_intr_xfer = xfer;
1017 return USBD_IN_PROGRESS;
1018 }
1019
1020 static void
1021 ahci_root_intr_abort(usbd_xfer_handle xfer)
1022 {
1023 DPRINTF(D_TRACE, ("SLRIabort "));
1024 }
1025
1026 static void
1027 ahci_root_intr_close(usbd_pipe_handle pipe)
1028 {
1029 struct ahci_softc *sc = (struct ahci_softc *)pipe->device->bus;
1030
1031 DPRINTF(D_TRACE, ("SLRIclose "));
1032
1033 callout_stop(&sc->sc_poll_handle);
1034 sc->sc_intr_xfer = NULL;
1035 }
1036
1037 static void
1038 ahci_root_intr_done(usbd_xfer_handle xfer)
1039 {
1040 //DPRINTF(D_XFER, ("RIdn "));
1041 }
1042
1043 static usbd_status
1044 ahci_device_ctrl_transfer(usbd_xfer_handle xfer)
1045 {
1046 struct ahci_softc *sc = (struct ahci_softc *)xfer->pipe->device->bus;
1047 usbd_status error;
1048
1049 DPRINTF(D_TRACE, ("C"));
1050
1051 mutex_enter(&sc->sc_lock);
1052 error = usb_insert_transfer(xfer);
1053 mutex_exit(&sc->sc_lock);
1054 if (error)
1055 return error;
1056
1057 return ahci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue));
1058 }
1059
1060 static usbd_status
1061 ahci_device_ctrl_start(usbd_xfer_handle xfer)
1062 {
1063 usbd_status status = USBD_NORMAL_COMPLETION;
1064 int s, err;
1065 static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep;
1066 static struct admhcd_td td_v[4] __attribute__((aligned(16))), *td, *td1, *td2, *td3;
1067 static usb_dma_t reqdma;
1068 usbd_pipe_handle pipe = xfer->pipe;
1069 usb_device_request_t *req = &xfer->request;
1070 struct ahci_softc *sc = (struct ahci_softc *)pipe->device->bus;
1071 int len, isread;
1072
1073
1074 #if 0
1075 struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->pipe;
1076 #endif
1077 mutex_enter(&sc->sc_lock);
1078 /* printf("ctrl_start>>>\n"); */
1079
1080 #ifdef DIAGNOSTIC
1081 if (!(xfer->rqflags & URQ_REQUEST)) {
1082 /* XXX panic */
1083 printf("ahci_device_ctrl_transfer: not a request\n");
1084 return (USBD_INVAL);
1085 }
1086 #endif
1087
1088 #define KSEG1ADDR(x) (0xa0000000 | (((u_int32_t)x) & 0x1fffffff))
1089 DPRINTF(D_TRACE, ("st "));
1090 if (!ep) {
1091 ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v);
1092 td = (struct admhcd_td *)KSEG1ADDR(&td_v[0]);
1093 td1 = (struct admhcd_td *)KSEG1ADDR(&td_v[1]);
1094 td2 = (struct admhcd_td *)KSEG1ADDR(&td_v[2]);
1095 td3 = (struct admhcd_td *)KSEG1ADDR(&td_v[3]);
1096 err = usb_allocmem(&sc->sc_bus,
1097 sizeof(usb_device_request_t),
1098 0, &reqdma);
1099 if (err)
1100 return (USBD_NOMEM);
1101
1102 /* printf("ep: %p\n",ep); */
1103 };
1104
1105 ep->control = pipe->device->address | \
1106 ((pipe->device->speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \
1107 ((UGETW(pipe->endpoint->edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT);
1108 memcpy(KERNADDR(&reqdma, 0), req, sizeof *req);
1109 /* printf("status: %x\n",REG_READ(ADMHCD_REG_PORTSTATUS0));
1110 printf("ep_control: %x\n",ep->control);
1111 printf("speed: %x\n",pipe->device->speed);
1112 printf("req: %p\n",req);
1113 printf("dmabuf: %p\n",xfer->dmabuf.block); */
1114
1115 isread = req->bmRequestType & UT_READ;
1116 len = UGETW(req->wLength);
1117
1118 ep->next = ep;
1119
1120 td->buffer = DMAADDR(&reqdma,0) | 0xa0000000;
1121 td->buflen=sizeof(*req);
1122 td->control=ADMHCD_TD_SETUP | ADMHCD_TD_DATA0 | ADMHCD_TD_OWN;
1123
1124 if (len) {
1125 td->next = td1;
1126
1127 td1->buffer = DMAADDR(&xfer->dmabuf,0) | 0xa0000000;
1128 td1->buflen = len;
1129 td1->next = td2;
1130 td1->control= (isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | ADMHCD_TD_DATA1 | ADMHCD_TD_R | ADMHCD_TD_OWN;
1131 } else {
1132 td1->control = 0;
1133 td->next = td2;
1134 };
1135
1136 td2->buffer = 0;
1137 td2->buflen= 0;
1138 td2->next = td3;
1139 td2->control = (isread?ADMHCD_TD_OUT:ADMHCD_TD_IN) | ADMHCD_TD_DATA1 | ADMHCD_TD_OWN;
1140
1141 td3->buffer = 0;
1142 td3->buflen= 0;
1143 td3->next = 0;
1144 td3->control = 0;
1145
1146 ep->head = td;
1147 ep->tail = td3;
1148 /*
1149 printf("ep: %p\n",ep);
1150 printf("ep->next: %p\n",ep->next);
1151 printf("ep->head: %p\n",ep->head);
1152 printf("ep->tail: %p\n",ep->tail);
1153 printf("td: %p\n",td);
1154 printf("td->next: %p\n",td->next);
1155 printf("td->buffer: %x\n",td->buffer);
1156 printf("td->buflen: %x\n",td->buflen);
1157 printf("td1: %p\n",td1);
1158 printf("td1->next: %p\n",td1->next);
1159 printf("td2: %p\n",td2);
1160 printf("td2->next: %p\n",td2->next);
1161 printf("td3: %p\n",td3);
1162 printf("td3->next: %p\n",td3->next);
1163 */
1164
1165 REG_WRITE(ADMHCD_REG_HOSTHEAD, (u_int32_t)ep);
1166 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN);
1167 /* printf("1: %x %x %x %x\n", ep->control, td->control, td1->control, td2->control); */
1168 s=100;
1169 while (s--) {
1170 delay_ms(10);
1171 /* printf("%x %x %x %x\n", ep->control, td->control, td1->control, td2->control);*/
1172 status = USBD_TIMEOUT;
1173 if (td->control & ADMHCD_TD_OWN) continue;
1174
1175 err = (td->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
1176 if (err) {
1177 status = USBD_IOERROR;
1178 break;
1179 };
1180
1181 status = USBD_TIMEOUT;
1182 if (td1->control & ADMHCD_TD_OWN) continue;
1183 err = (td1->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
1184 if (err) {
1185 status = USBD_IOERROR;
1186 break;
1187 };
1188
1189 status = USBD_TIMEOUT;
1190 if (td2->control & ADMHCD_TD_OWN) continue;
1191 err = (td2->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
1192 if (err) {
1193 status = USBD_IOERROR;
1194 };
1195 status = USBD_NORMAL_COMPLETION;
1196 break;
1197
1198 };
1199 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
1200
1201 xfer->actlen = len;
1202 xfer->status = status;
1203
1204 /* printf("ctrl_start<<<\n"); */
1205
1206 usb_transfer_complete(xfer);
1207 mutex_exit(&sc->sc_lock);
1208 return USBD_NORMAL_COMPLETION;
1209 }
1210
1211 static void
1212 ahci_device_ctrl_abort(usbd_xfer_handle xfer)
1213 {
1214 DPRINTF(D_TRACE, ("Cab "));
1215 ahci_abort_xfer(xfer, USBD_CANCELLED);
1216 }
1217
1218 static void
1219 ahci_device_ctrl_close(usbd_pipe_handle pipe)
1220 {
1221 DPRINTF(D_TRACE, ("Ccl "));
1222 }
1223
1224 static void
1225 ahci_device_ctrl_done(usbd_xfer_handle xfer)
1226 {
1227 DPRINTF(D_TRACE, ("Cdn "));
1228 }
1229
1230 static usbd_status
1231 ahci_device_intr_transfer(usbd_xfer_handle xfer)
1232 {
1233 struct ahci_softc *sc = (struct ahci_softc *)xfer->pipe->device->bus;
1234 usbd_status error;
1235
1236 DPRINTF(D_TRACE, ("INTRtrans "));
1237
1238 mutex_enter(&sc->sc_lock);
1239 error = usb_insert_transfer(xfer);
1240 mutex_exit(&sc->sc_lock);
1241 if (error)
1242 return error;
1243
1244 return ahci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue));
1245 }
1246
1247 static usbd_status
1248 ahci_device_intr_start(usbd_xfer_handle xfer)
1249 {
1250 usbd_pipe_handle pipe = xfer->pipe;
1251 struct ahci_xfer *sx;
1252
1253 DPRINTF(D_TRACE, ("INTRstart "));
1254
1255 sx = malloc(sizeof(*sx), M_USB, M_NOWAIT);
1256 if (sx == NULL)
1257 goto reterr;
1258 memset(sx, 0, sizeof(*sx));
1259 sx->sx_xfer = xfer;
1260 xfer->hcpriv = sx;
1261
1262 /* initialize callout */
1263 callout_init(&sx->sx_callout_t, 0);
1264 callout_reset(&sx->sx_callout_t,
1265 MS_TO_TICKS(pipe->endpoint->edesc->bInterval),
1266 ahci_poll_device, sx);
1267
1268 /* ACK */
1269 return USBD_IN_PROGRESS;
1270
1271 reterr:
1272 return USBD_IOERROR;
1273 }
1274
1275 static void
1276 ahci_poll_device(void *arg)
1277 {
1278 struct ahci_xfer *sx = (struct ahci_xfer *)arg;
1279 usbd_xfer_handle xfer = sx->sx_xfer;
1280 usbd_pipe_handle pipe = xfer->pipe;
1281 struct ahci_softc *sc = (struct ahci_softc *)pipe->device->bus;
1282 void *buf;
1283 int pid;
1284 int r;
1285
1286 DPRINTF(D_TRACE, ("pldev"));
1287
1288 callout_reset(&sx->sx_callout_t,
1289 MS_TO_TICKS(pipe->endpoint->edesc->bInterval),
1290 ahci_poll_device, sx);
1291
1292 /* interrupt transfer */
1293 pid = (UE_GET_DIR(pipe->endpoint->edesc->bEndpointAddress) == UE_DIR_IN)
1294 ? ADMHCD_TD_IN : ADMHCD_TD_OUT;
1295 buf = KERNADDR(&xfer->dmabuf, 0);
1296
1297 r = ahci_transaction(sc, pipe, pid, xfer->length, buf, 0/*toggle*/);
1298 if (r < 0) {
1299 DPRINTF(D_MSG, ("%s error", __func__));
1300 return;
1301 }
1302 /* no change, return NAK */
1303 if (r == 0)
1304 return;
1305
1306 xfer->status = USBD_NORMAL_COMPLETION;
1307 mutex_enter(&sc->sc_lock);
1308 usb_transfer_complete(xfer);
1309 mutex_exit(&sc->sc_lock);
1310 }
1311
1312 static void
1313 ahci_device_intr_abort(usbd_xfer_handle xfer)
1314 {
1315 struct ahci_xfer *sx;
1316
1317 DPRINTF(D_TRACE, ("INTRabort "));
1318
1319 sx = xfer->hcpriv;
1320 if (sx) {
1321 callout_stop(&sx->sx_callout_t);
1322 free(sx, M_USB);
1323 xfer->hcpriv = NULL;
1324 } else {
1325 printf("%s: sx == NULL!\n", __func__);
1326 }
1327 ahci_abort_xfer(xfer, USBD_CANCELLED);
1328 }
1329
1330 static void
1331 ahci_device_intr_close(usbd_pipe_handle pipe)
1332 {
1333 DPRINTF(D_TRACE, ("INTRclose "));
1334 }
1335
1336 static void
1337 ahci_device_intr_done(usbd_xfer_handle xfer)
1338 {
1339 DPRINTF(D_TRACE, ("INTRdone "));
1340 }
1341
1342 static usbd_status
1343 ahci_device_isoc_transfer(usbd_xfer_handle xfer)
1344 {
1345 DPRINTF(D_TRACE, ("S"));
1346 return USBD_NORMAL_COMPLETION;
1347 }
1348
1349 static usbd_status
1350 ahci_device_isoc_start(usbd_xfer_handle xfer)
1351 {
1352 DPRINTF(D_TRACE, ("st "));
1353 return USBD_NORMAL_COMPLETION;
1354 }
1355
1356 static void
1357 ahci_device_isoc_abort(usbd_xfer_handle xfer)
1358 {
1359 DPRINTF(D_TRACE, ("Sab "));
1360 }
1361
1362 static void
1363 ahci_device_isoc_close(usbd_pipe_handle pipe)
1364 {
1365 DPRINTF(D_TRACE, ("Scl "));
1366 }
1367
1368 static void
1369 ahci_device_isoc_done(usbd_xfer_handle xfer)
1370 {
1371 DPRINTF(D_TRACE, ("Sdn "));
1372 }
1373
1374 static usbd_status
1375 ahci_device_bulk_transfer(usbd_xfer_handle xfer)
1376 {
1377 struct ahci_softc *sc = (struct ahci_softc *)xfer->pipe->device->bus;
1378 usbd_status error;
1379
1380 DPRINTF(D_TRACE, ("B"));
1381
1382 mutex_enter(&sc->sc_lock);
1383 error = usb_insert_transfer(xfer);
1384 mutex_exit(&sc->sc_lock);
1385 if (error)
1386 return error;
1387
1388 return ahci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue));
1389 }
1390
1391 static usbd_status
1392 ahci_device_bulk_start(usbd_xfer_handle xfer)
1393 {
1394 #define NBULK_TDS 32
1395 static volatile int level = 0;
1396 usbd_status status = USBD_NORMAL_COMPLETION;
1397 int s, err;
1398 static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep;
1399 static struct admhcd_td td_v[NBULK_TDS] __attribute__((aligned(16))), *td[NBULK_TDS];
1400 usbd_pipe_handle pipe = xfer->pipe;
1401 struct ahci_softc *sc = (struct ahci_softc *)pipe->device->bus;
1402 int endpt, i, len, tlen, segs, offset, isread, toggle, short_ok;
1403 struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->pipe;
1404
1405 #define KSEG1ADDR(x) (0xa0000000 | (((u_int32_t)x) & 0x1fffffff))
1406 DPRINTF(D_TRACE, ("st "));
1407
1408 #ifdef DIAGNOSTIC
1409 if (xfer->rqflags & URQ_REQUEST) {
1410 /* XXX panic */
1411 printf("ohci_device_bulk_start: a request\n");
1412 return (USBD_INVAL);
1413 }
1414 #endif
1415
1416 mutex_enter(&sc->sc_lock);
1417 level++;
1418 /* printf("bulk_start>>>\n"); */
1419
1420 if (!ep) {
1421 ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v);
1422 for (i=0; i<NBULK_TDS; i++) {
1423 td[i] = (struct admhcd_td *)KSEG1ADDR(&td_v[i]);
1424 };
1425 /* printf("ep: %p\n",ep);*/
1426 };
1427 if (apipe->toggle == 0) {
1428 toggle = ADMHCD_TD_DATA0;
1429 } else {
1430 toggle = apipe->toggle;
1431 };
1432
1433 endpt = pipe->endpoint->edesc->bEndpointAddress;
1434 ep->control = pipe->device->address | ((endpt & 0xf) << ADMHCD_ED_EPSHIFT)|\
1435 ((pipe->device->speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \
1436 ((UGETW(pipe->endpoint->edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT);
1437
1438 short_ok = xfer->flags & USBD_SHORT_XFER_OK?ADMHCD_TD_R:0;
1439 /* printf("level: %d\n",level);
1440 printf("short_xfer: %x\n",short_ok);
1441 printf("ep_control: %x\n",ep->control);
1442 printf("speed: %x\n",pipe->device->speed);
1443 printf("dmabuf: %p\n",xfer->dmabuf.block); */
1444
1445 isread = UE_GET_DIR(endpt) == UE_DIR_IN;
1446 len = xfer->length;
1447
1448 ep->next = ep;
1449
1450 i = 0;
1451 offset = 0;
1452 while ((len>0) || (i==0)) {
1453 tlen = min(len,4096);
1454 td[i]->buffer = DMAADDR(&xfer->dmabuf,offset) | 0xa0000000;
1455 td[i]->buflen=tlen;
1456 td[i]->control=(isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | toggle | ADMHCD_TD_OWN | short_ok;
1457 td[i]->len=tlen;
1458 toggle = ADMHCD_TD_TOGGLE;
1459 len -= tlen;
1460 offset += tlen;
1461 td[i]->next = td[i+1];
1462 i++;
1463 };
1464
1465 td[i]->buffer = 0;
1466 td[i]->buflen = 0;
1467 td[i]->control = 0;
1468 td[i]->next = 0;
1469
1470 ep->head = td[0];
1471 ep->tail = td[i];
1472 segs = i;
1473 len = 0;
1474
1475 /* printf("segs: %d\n",segs);
1476 printf("ep: %p\n",ep);
1477 printf("ep->control: %x\n",ep->control);
1478 printf("ep->next: %p\n",ep->next);
1479 printf("ep->head: %p\n",ep->head);
1480 printf("ep->tail: %p\n",ep->tail);
1481 for (i=0; i<segs; i++) {
1482 printf("td[%d]: %p\n",i,td[i]);
1483 printf("td[%d]->control: %x\n",i,td[i]->control);
1484 printf("td[%d]->next: %p\n",i,td[i]->next);
1485 printf("td[%d]->buffer: %x\n",i,td[i]->buffer);
1486 printf("td[%d]->buflen: %x\n",i,td[i]->buflen);
1487 }; */
1488
1489 REG_WRITE(ADMHCD_REG_HOSTHEAD, (u_int32_t)ep);
1490 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN);
1491 i = 0;
1492 /* printf("1: %x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */
1493 s=100;
1494 err = 0;
1495 while (s--) {
1496 /* printf("%x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */
1497 status = USBD_TIMEOUT;
1498 if (td[i]->control & ADMHCD_TD_OWN) {
1499 delay_ms(3);
1500 continue;
1501 };
1502
1503 len += td[i]->len - td[i]->buflen;
1504
1505 err = (td[i]->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
1506 if (err) {
1507 status = USBD_IOERROR;
1508 break;
1509 };
1510
1511 i++;
1512 if (i==segs) {
1513 status = USBD_NORMAL_COMPLETION;
1514 break;
1515 };
1516
1517 };
1518 REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
1519
1520 apipe->toggle = ((u_int32_t)ep->head & 2)?ADMHCD_TD_DATA1:ADMHCD_TD_DATA0;
1521 /* printf("bulk_transfer_done: status: %x, err: %x, len: %x, toggle: %x\n", status,err,len,apipe->toggle); */
1522
1523 if (short_ok && (err == 0x9 || err == 0xd)) {
1524 /* printf("bulk_transfer_done: short_transfer fix\n"); */
1525 status = USBD_NORMAL_COMPLETION;
1526 };
1527 xfer->actlen = len;
1528 xfer->status = status;
1529
1530 level--;
1531 /* printf("bulk_start<<<\n"); */
1532
1533 usb_transfer_complete(xfer);
1534 mutex_exit(&sc->sc_lock);
1535
1536 return USBD_NORMAL_COMPLETION;
1537 }
1538
1539 static void
1540 ahci_device_bulk_abort(usbd_xfer_handle xfer)
1541 {
1542 DPRINTF(D_TRACE, ("Bab "));
1543 ahci_abort_xfer(xfer, USBD_CANCELLED);
1544 }
1545
1546 static void
1547 ahci_device_bulk_close(usbd_pipe_handle pipe)
1548 {
1549 DPRINTF(D_TRACE, ("Bcl "));
1550 }
1551
1552 static void
1553 ahci_device_bulk_done(usbd_xfer_handle xfer)
1554 {
1555 DPRINTF(D_TRACE, ("Bdn "));
1556 }
1557
1558 #define DATA0_RD (0x03)
1559 #define DATA0_WR (0x07)
1560 #define AHCI_TIMEOUT (5000)
1561
1562 /*
1563 * Do a transaction.
1564 * return 1 if ACK, 0 if NAK, -1 if error.
1565 */
1566 static int
1567 ahci_transaction(struct ahci_softc *sc, usbd_pipe_handle pipe,
1568 u_int8_t pid, int len, u_char *buf, u_int8_t toggle)
1569 {
1570 return -1;
1571 #if 0
1572 #ifdef AHCI_DEBUG
1573 char str[64];
1574 int i;
1575 #endif
1576 int timeout;
1577 int ls_via_hub = 0;
1578 int pl;
1579 u_int8_t isr;
1580 u_int8_t result = 0;
1581 u_int8_t devaddr = pipe->device->address;
1582 u_int8_t endpointaddr = pipe->endpoint->edesc->bEndpointAddress;
1583 u_int8_t endpoint;
1584 u_int8_t cmd = DATA0_RD;
1585
1586 endpoint = UE_GET_ADDR(endpointaddr);
1587 DPRINTF(D_XFER, ("\n(%x,%d%s%d,%d) ",
1588 pid, len, (pid == SL11_PID_IN) ? "<-" : "->", devaddr, endpoint));
1589
1590 /* Set registers */
1591 sl11write(sc, SL11_E0ADDR, 0x40);
1592 sl11write(sc, SL11_E0LEN, len);
1593 sl11write(sc, SL11_E0PID, (pid << 4) + endpoint);
1594 sl11write(sc, SL11_E0DEV, devaddr);
1595
1596 /* Set buffer unless PID_IN */
1597 if (pid != SL11_PID_IN) {
1598 if (len > 0)
1599 sl11write_region(sc, 0x40, buf, len);
1600 cmd = DATA0_WR;
1601 }
1602
1603 /* timing ? */
1604 pl = (len >> 3) + 3;
1605
1606 /* Low speed device via HUB */
1607 /* XXX does not work... */
1608 if ((sc->sc_fullspeed) && pipe->device->speed == USB_SPEED_LOW) {
1609 pl = len + 16;
1610 cmd |= SL11_EPCTRL_PREAMBLE;
1611
1612 /*
1613 * SL811HS/T rev 1.2 has a bug, when it got PID_IN
1614 * from LowSpeed device via HUB.
1615 */
1616 if (sc->sc_sltype == SLTYPE_SL811HS_R12 && pid == SL11_PID_IN) {
1617 ls_via_hub = 1;
1618 DPRINTF(D_MSG, ("LSvH "));
1619 }
1620 }
1621
1622 /* timing ? */
1623 if (sl11read(sc, SL811_CSOF) <= (u_int8_t)pl)
1624 cmd |= SL11_EPCTRL_SOF;
1625
1626 /* Transfer */
1627 sl11write(sc, SL11_ISR, 0xff);
1628 sl11write(sc, SL11_E0CTRL, cmd | toggle);
1629
1630 /* Polling */
1631 for (timeout = AHCI_TIMEOUT; timeout; timeout--) {
1632 isr = sl11read(sc, SL11_ISR);
1633 if ((isr & SL11_ISR_USBA))
1634 break;
1635 }
1636
1637 /* Check result status */
1638 result = sl11read(sc, SL11_E0STAT);
1639 if (!(result & SL11_EPSTAT_NAK) && ls_via_hub) {
1640 /* Resend PID_IN within 20usec */
1641 sl11write(sc, SL11_ISR, 0xff);
1642 sl11write(sc, SL11_E0CTRL, SL11_EPCTRL_ARM);
1643 }
1644
1645 sl11write(sc, SL11_ISR, 0xff);
1646
1647 DPRINTF(D_XFER, ("t=%d i=%x ", AHCI_TIMEOUT - timeout, isr));
1648 #if AHCI_DEBUG
1649 snprintb(str, sizeof(str),
1650 "\20\x8STALL\7NAK\6OV\5SETUP\4DATA1\3TIMEOUT\2ERR\1ACK", result);
1651 DPRINTF(D_XFER, ("STAT=%s ", str));
1652 #endif
1653
1654 if ((result & SL11_EPSTAT_ERROR))
1655 return -1;
1656
1657 if ((result & SL11_EPSTAT_NAK))
1658 return 0;
1659
1660 /* Read buffer if PID_IN */
1661 if (pid == SL11_PID_IN && len > 0) {
1662 sl11read_region(sc, buf, 0x40, len);
1663 #if AHCI_DEBUG
1664 for (i = 0; i < len; i++)
1665 DPRINTF(D_XFER, ("%02X ", buf[i]));
1666 #endif
1667 }
1668
1669 return 1;
1670 #endif
1671 }
1672
1673 void
1674 ahci_abort_xfer(usbd_xfer_handle xfer, usbd_status status)
1675 {
1676 xfer->status = status;
1677 usb_transfer_complete(xfer);
1678 }
1679
1680 void
1681 ahci_device_clear_toggle(usbd_pipe_handle pipe)
1682 {
1683 struct ahci_pipe *apipe = (struct ahci_pipe *)pipe;
1684 apipe->toggle = 0;
1685 }
1686
1687 #ifdef AHCI_DEBUG
1688 void
1689 print_req(usb_device_request_t *r)
1690 {
1691 const char *xmes[]={
1692 "GETSTAT",
1693 "CLRFEAT",
1694 "res",
1695 "SETFEAT",
1696 "res",
1697 "SETADDR",
1698 "GETDESC",
1699 "SETDESC",
1700 "GETCONF",
1701 "SETCONF",
1702 "GETIN/F",
1703 "SETIN/F",
1704 "SYNC_FR"
1705 };
1706 int req, type, value, index, len;
1707
1708 req = r->bRequest;
1709 type = r->bmRequestType;
1710 value = UGETW(r->wValue);
1711 index = UGETW(r->wIndex);
1712 len = UGETW(r->wLength);
1713
1714 printf("%x,%s,v=%d,i=%d,l=%d ",
1715 type, xmes[req], value, index, len);
1716 }
1717
1718 void
1719 print_req_hub(usb_device_request_t *r)
1720 {
1721 struct {
1722 int req;
1723 int type;
1724 const char *str;
1725 } conf[] = {
1726 { 1, 0x20, "ClrHubFeat" },
1727 { 1, 0x23, "ClrPortFeat" },
1728 { 2, 0xa3, "GetBusState" },
1729 { 6, 0xa0, "GetHubDesc" },
1730 { 0, 0xa0, "GetHubStat" },
1731 { 0, 0xa3, "GetPortStat" },
1732 { 7, 0x20, "SetHubDesc" },
1733 { 3, 0x20, "SetHubFeat" },
1734 { 3, 0x23, "SetPortFeat" },
1735 {-1, 0, NULL},
1736 };
1737 int i;
1738 int value, index, len;
1739
1740 value = UGETW(r->wValue);
1741 index = UGETW(r->wIndex);
1742 len = UGETW(r->wLength);
1743 for (i = 0; ; i++) {
1744 if (conf[i].req == -1 )
1745 return print_req(r);
1746 if (r->bmRequestType == conf[i].type && r->bRequest == conf[i].req) {
1747 printf("%s", conf[i].str);
1748 break;
1749 }
1750 }
1751 printf(",v=%d,i=%d,l=%d ", value, index, len);
1752 }
1753
1754 void
1755 print_dumpreg(struct ahci_softc *sc)
1756 {
1757 #if 0
1758 printf("00=%02x,01=%02x,02=%02x,03=%02x,04=%02x,"
1759 "08=%02x,09=%02x,0A=%02x,0B=%02x,0C=%02x,",
1760 sl11read(sc, 0), sl11read(sc, 1),
1761 sl11read(sc, 2), sl11read(sc, 3),
1762 sl11read(sc, 4), sl11read(sc, 8),
1763 sl11read(sc, 9), sl11read(sc, 10),
1764 sl11read(sc, 11), sl11read(sc, 12)
1765 );
1766 printf("CR1=%02x,IER=%02x,0D=%02x,0E=%02x,0F=%02x ",
1767 sl11read(sc, 5), sl11read(sc, 6),
1768 sl11read(sc, 13), sl11read(sc, 14), sl11read(sc, 15)
1769 );
1770 #endif
1771 }
1772
1773 void
1774 print_xfer(usbd_xfer_handle xfer)
1775 {
1776 printf("xfer: length=%d, actlen=%d, flags=%x, timeout=%d,",
1777 xfer->length, xfer->actlen, xfer->flags, xfer->timeout);
1778 printf("request{ ");
1779 print_req_hub(&xfer->request);
1780 printf("} ");
1781 }
1782 #endif /* AHCI_DEBUG */
1783