Annotation of src/sys/arch/mips/adm5120/dev/ahci.c, Revision 1.14.8.1
1.14.8.1! pgoyette 1: /* $NetBSD: ahci.c,v 1.15 2018/04/09 16:21:10 jakllsch Exp $ */
1.1 dyoung 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>
1.14.8.1! pgoyette 67: __KERNEL_RCSID(0, "$NetBSD: ahci.c,v 1.15 2018/04/09 16:21:10 jakllsch Exp $");
1.1 dyoung 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>
1.13 skrll 74: #include <sys/kmem.h>
1.1 dyoung 75:
1.7 dyoung 76: #include <sys/bus.h>
1.1 dyoung 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>
1.13 skrll 84: #include <dev/usb/usbroothub.h>
1.1 dyoung 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:
1.13 skrll 93: static usbd_status ahci_open(struct usbd_pipe *);
1.1 dyoung 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);
1.13 skrll 98: static struct usbd_xfer *
99: ahci_allocx(struct usbd_bus *, unsigned int);
100: static void ahci_freex(struct usbd_bus *, struct usbd_xfer *);
1.1 dyoung 101:
1.12 skrll 102: static void ahci_get_lock(struct usbd_bus *, kmutex_t **);
1.13 skrll 103: static int ahci_roothub_ctrl(struct usbd_bus *, usb_device_request_t *,
104: void *, int);
1.12 skrll 105:
1.13 skrll 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 *);
1.1 dyoung 135:
136: static int ahci_transaction(struct ahci_softc *,
1.13 skrll 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 *);
1.1 dyoung 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 *);
1.13 skrll 160: void print_xfer(struct usbd_xfer *);
1.1 dyoung 161: #else
162: #define DPRINTF(z,x)
163: #endif
164:
165:
166: struct usbd_bus_methods ahci_bus_methods = {
1.13 skrll 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,
1.1 dyoung 174: };
175:
176: struct usbd_pipe_methods ahci_root_intr_methods = {
1.13 skrll 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,
1.1 dyoung 183: };
184:
185: struct usbd_pipe_methods ahci_device_ctrl_methods = {
1.13 skrll 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,
1.1 dyoung 192: };
193:
194: struct usbd_pipe_methods ahci_device_intr_methods = {
1.13 skrll 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,
1.1 dyoung 201: };
202:
203: struct usbd_pipe_methods ahci_device_isoc_methods = {
1.13 skrll 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,
1.1 dyoung 210: };
211:
212: struct usbd_pipe_methods ahci_device_bulk_methods = {
1.13 skrll 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,
1.1 dyoung 219: };
220:
221: struct ahci_pipe {
222: struct usbd_pipe pipe;
1.13 skrll 223: uint32_t toggle;
1.1 dyoung 224: };
225:
1.9 chs 226: static int ahci_match(device_t, cfdata_t, void *);
1.4 dyoung 227: static void ahci_attach(device_t, device_t, void *);
1.1 dyoung 228:
1.9 chs 229: CFATTACH_DECL_NEW(ahci, sizeof(struct ahci_softc),
1.1 dyoung 230: ahci_match, ahci_attach, NULL, NULL);
231:
232: static int
1.4 dyoung 233: ahci_match(device_t parent, struct cfdata *cf, void *aux)
1.1 dyoung 234: {
235: struct obio_attach_args *aa = aux;
236:
237: if (strcmp(aa->oba_name, cf->cf_name) == 0)
1.13 skrll 238: return 1;
1.1 dyoung 239:
1.13 skrll 240: return 0;
1.1 dyoung 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
1.4 dyoung 250: ahci_attach(device_t parent, device_t self, void *aux)
1.1 dyoung 251: {
252: struct obio_attach_args *aa = aux;
1.4 dyoung 253: struct ahci_softc *sc = device_private(self);
1.1 dyoung 254:
255: printf("\n");
256: sc->sc_dmat = aa->oba_dt;
257: sc->sc_st = aa->oba_st;
258:
259: /* Initialize sc */
1.13 skrll 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;
1.1 dyoung 265:
266: /* Map the device. */
267: if (bus_space_map(sc->sc_st, aa->oba_addr,
268: 512, 0, &sc->sc_ioh) != 0) {
1.4 dyoung 269: aprint_error_dev(self, "unable to map device\n");
1.1 dyoung 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) {
1.4 dyoung 277: aprint_error_dev(self,
278: "unable to register interrupt handler\n");
1.1 dyoung 279: return;
280: }
281:
282: SIMPLEQ_INIT(&sc->sc_free_xfers);
283:
1.6 dyoung 284: callout_init(&sc->sc_poll_handle, 0);
1.1 dyoung 285:
1.12 skrll 286: mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB);
287: mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED /* XXXNH */);
288:
1.1 dyoung 289: REG_WRITE(ADMHCD_REG_INTENABLE, 0); /* disable interrupts */
290: REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_SW_RESET); /* reset */
291: delay_ms(10);
1.13 skrll 292: while (REG_READ(ADMHCD_REG_CONTROL) & ADMHCD_SW_RESET)
293: delay_ms(1);
1.1 dyoung 294:
295: REG_WRITE(ADMHCD_REG_CONTROL, ADMHCD_HOST_EN);
1.13 skrll 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);
1.1 dyoung 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;
1.13 skrll 320: uint8_t r;
1.1 dyoung 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
1.5 christos 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);
1.11 skrll 344:
1.1 dyoung 345: DPRINTF(D_XFER, ("I=%s ", bitbuf));
346: #endif /* AHCI_DEBUG */
347: #endif
348:
349: return 0;
350: }
351:
352: usbd_status
1.13 skrll 353: ahci_open(struct usbd_pipe *pipe)
1.1 dyoung 354: {
1.13 skrll 355: struct usbd_device *dev = pipe->up_dev;
1.1 dyoung 356: struct ahci_pipe *apipe = (struct ahci_pipe *)pipe;
1.13 skrll 357: usb_endpoint_descriptor_t *ed = pipe->up_endpoint->ue_edesc;
358: uint8_t rhaddr = dev->ud_bus->ub_rhaddr;
1.1 dyoung 359:
360: DPRINTF(D_TRACE, ("ahci_open(addr=%d,ep=%d,scaddr=%d)",
1.13 skrll 361: dev->ud_addr, ed->bEndpointAddress, rhaddr));
1.1 dyoung 362:
363: apipe->toggle=0;
364:
1.13 skrll 365: if (dev->ud_addr == rhaddr) {
1.1 dyoung 366: switch (ed->bEndpointAddress) {
367: case USB_CONTROL_ENDPOINT:
1.13 skrll 368: pipe->up_methods = &roothub_ctrl_methods;
1.1 dyoung 369: break;
1.13 skrll 370: case UE_DIR_IN | USBROOTHUB_INTR_ENDPT:
371: pipe->up_methods = &ahci_root_intr_methods;
1.1 dyoung 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 "));
1.13 skrll 381: pipe->up_methods = &ahci_device_ctrl_methods;
1.1 dyoung 382: break;
383: case UE_INTERRUPT:
384: DPRINTF(D_MSG, ("interrupt "));
1.13 skrll 385: pipe->up_methods = &ahci_device_intr_methods;
1.1 dyoung 386: break;
387: case UE_ISOCHRONOUS:
388: DPRINTF(D_MSG, ("isochronous "));
1.13 skrll 389: pipe->up_methods = &ahci_device_isoc_methods;
1.1 dyoung 390: break;
391: case UE_BULK:
392: DPRINTF(D_MSG, ("bluk "));
1.13 skrll 393: pipe->up_methods = &ahci_device_bulk_methods;
1.1 dyoung 394: break;
395: }
396: }
397: return USBD_NORMAL_COMPLETION;
398: }
399:
400: void
401: ahci_softintr(void *arg)
402: {
1.2 perry 403: DPRINTF(D_TRACE, ("%s()", __func__));
1.1 dyoung 404: }
405:
406: void
407: ahci_poll(struct usbd_bus *bus)
408: {
1.2 perry 409: DPRINTF(D_TRACE, ("%s()", __func__));
1.1 dyoung 410: }
411:
1.13 skrll 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:
1.1 dyoung 417: /*
418: * Emulation of interrupt transfer for status change endpoint
419: * of root hub.
420: */
421: void
422: ahci_poll_hub(void *arg)
423: {
1.13 skrll 424: struct usbd_xfer *xfer = arg;
425: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 426: u_char *p;
427: static int p0_state=0;
428: static int p1_state=0;
429:
1.6 dyoung 430: callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer);
1.1 dyoung 431:
432: /* USB spec 11.13.3 (p.260) */
1.13 skrll 433: p = KERNADDR(&xfer->ux_dmabuf, 0);
1.1 dyoung 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:
1.13 skrll 450: xfer->ux_actlen = 1;
451: xfer->ux_status = USBD_NORMAL_COMPLETION;
1.12 skrll 452: mutex_enter(&sc->sc_lock);
1.1 dyoung 453: usb_transfer_complete(xfer);
1.12 skrll 454: mutex_exit(&sc->sc_lock);
1.1 dyoung 455: }
456:
1.13 skrll 457: struct usbd_xfer *
458: ahci_allocx(struct usbd_bus *bus, unsigned int nframes)
1.1 dyoung 459: {
1.13 skrll 460: struct ahci_softc *sc = AHCI_BUS2SC(bus);
461: struct usbd_xfer *xfer;
1.1 dyoung 462:
463: DPRINTF(D_MEM, ("SLallocx"));
464:
465: xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers);
466: if (xfer) {
1.13 skrll 467: SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, ux_next);
1.1 dyoung 468: #ifdef DIAGNOSTIC
1.13 skrll 469: if (xfer->ux_state != XFER_FREE) {
1.1 dyoung 470: printf("ahci_allocx: xfer=%p not free, 0x%08x\n",
1.13 skrll 471: xfer, xfer->ux_state);
1.1 dyoung 472: }
473: #endif
474: } else {
1.13 skrll 475: xfer = kmem_alloc(sizeof(*xfer), KM_SLEEP);
1.1 dyoung 476: }
477:
1.14 chs 478: memset(xfer, 0, sizeof(*xfer));
1.1 dyoung 479: #ifdef DIAGNOSTIC
1.14 chs 480: xfer->ux_state = XFER_BUSY;
1.1 dyoung 481: #endif
482:
483: return xfer;
484: }
485:
486: void
1.13 skrll 487: ahci_freex(struct usbd_bus *bus, struct usbd_xfer *xfer)
1.1 dyoung 488: {
1.13 skrll 489: struct ahci_softc *sc = AHCI_BUS2SC(bus);
1.1 dyoung 490:
491: DPRINTF(D_MEM, ("SLfreex"));
492:
493: #ifdef DIAGNOSTIC
1.13 skrll 494: if (xfer->ux_state != XFER_BUSY) {
1.1 dyoung 495: printf("ahci_freex: xfer=%p not busy, 0x%08x\n",
1.13 skrll 496: xfer, xfer->ux_state);
1.1 dyoung 497: return;
498: }
1.13 skrll 499: xfer->ux_state = XFER_FREE;
1.1 dyoung 500: #endif
1.13 skrll 501: SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, ux_next);
1.1 dyoung 502: }
503:
1.12 skrll 504: static void
505: ahci_get_lock(struct usbd_bus *bus, kmutex_t **lock)
506: {
1.13 skrll 507: struct ahci_softc *sc = AHCI_BUS2SC(bus);
1.12 skrll 508:
509: *lock = &sc->sc_lock;
510: }
511:
1.1 dyoung 512: void
1.13 skrll 513: ahci_noop(struct usbd_pipe *pipe)
1.1 dyoung 514: {
1.2 perry 515: DPRINTF(D_TRACE, ("%s()", __func__));
1.1 dyoung 516: }
517:
518: /*
519: * Data structures and routines to emulate the root hub.
520: */
521:
522: static int
1.13 skrll 523: ahci_roothub_ctrl(struct usbd_bus *bus, usb_device_request_t *req,
524: void *buf, int buflen)
1.1 dyoung 525: {
1.13 skrll 526: struct ahci_softc *sc = AHCI_BUS2SC(bus);
527: uint16_t len, value, index;
528: usb_port_status_t ps;
1.1 dyoung 529: int totlen = 0;
1.13 skrll 530: int status;
1.1 dyoung 531:
532: DPRINTF(D_TRACE, ("SLRCstart "));
533:
534: len = UGETW(req->wLength);
535: value = UGETW(req->wValue);
536: index = UGETW(req->wIndex);
537:
538: #define C(x,y) ((x) | ((y) << 8))
539: switch (C(req->bRequest, req->bmRequestType)) {
540: case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
1.13 skrll 541: switch (value) {
542: #define sd ((usb_string_descriptor_t *)buf)
543: case C(2, UDESC_STRING):
544: /* Product */
545: totlen = usb_makestrdesc(sd, len, "ADM5120 root hub");
1.1 dyoung 546: break;
547: default:
548: printf("unknownGetDescriptor=%x", value);
1.14.8.1! pgoyette 549: /* FALLTHROUGH */
! 550: case C(0, UDESC_DEVICE):
! 551: case C(1, UDESC_STRING):
1.13 skrll 552: /* default from usbroothub */
553: return buflen;
1.1 dyoung 554: }
555: break;
556: /*
557: * Hub specific requests
558: */
559: case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE):
560: /* Clear Hub Feature, 11.16.2.1, not supported */
561: DPRINTF(D_MSG, ("ClearHubFeature not supported\n"));
562: break;
563: case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER):
564:
565: #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x))
566: /* Clear Port Feature, 11.16.2.2 */
567: if (index != 1 && index != 2 ) {
1.13 skrll 568: return -1;
1.1 dyoung 569: }
570: switch (value) {
571: case UHF_PORT_POWER:
572: DPRINTF(D_MSG, ("POWER_OFF "));
573: WPS(ADMHCD_LSDA);
574: break;
575: case UHF_PORT_SUSPEND:
576: DPRINTF(D_MSG, ("SUSPEND "));
577: WPS(ADMHCD_POCI);
578: break;
579: case UHF_PORT_ENABLE:
580: DPRINTF(D_MSG, ("ENABLE "));
581: WPS(ADMHCD_CCS);
582: break;
583: case UHF_C_PORT_CONNECTION:
584: WPS(ADMHCD_CSC);
585: break;
586: case UHF_C_PORT_RESET:
587: WPS(ADMHCD_PRSC);
588: break;
589: case UHF_C_PORT_SUSPEND:
590: WPS(ADMHCD_PSSC);
591: break;
592: case UHF_C_PORT_ENABLE:
593: WPS(ADMHCD_PESC);
594: break;
595: case UHF_C_PORT_OVER_CURRENT:
596: WPS(ADMHCD_OCIC);
597: break;
598: default:
599: printf("ClrPortFeatERR:value=0x%x ", value);
1.13 skrll 600: return -1;
1.1 dyoung 601: }
602: //DPRINTF(D_XFER, ("CH=%04x ", sc->sc_change));
603: #undef WPS
604: break;
605: case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER):
606: /* Get Bus State, 11.16.2.3, not supported */
607: /* shall return a STALL... */
608: break;
609: case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE):
610: /* Get Hub Descriptor, 11.16.2.4 */
611: DPRINTF(D_MSG, ("UR_GET_DESCRIPTOR RCD"));
612: if ((value&0xff) != 0) {
1.13 skrll 613: return -1;
1.1 dyoung 614: }
1.13 skrll 615: usb_hub_descriptor_t hubd;
616:
617: totlen = min(buflen, sizeof(hubd));
618: memcpy(&hubd, buf, totlen);
619: hubd.bNbrPorts = 2;
620: USETW(hubd.wHubCharacteristics, 0);
621: hubd.bPwrOn2PwrGood = 0;
622: memcpy(buf, &hubd, totlen);
1.1 dyoung 623: break;
624: case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE):
625: /* Get Hub Status, 11.16.2.5 */
626: DPRINTF(D_MSG, ("UR_GET_STATUS RCD"));
627: if (len != 4) {
1.13 skrll 628: return -1;
1.1 dyoung 629: }
630: memset(buf, 0, len);
631: totlen = len;
632: break;
633: case C(UR_GET_STATUS, UT_READ_CLASS_OTHER):
634: /* Get Port Status, 11.16.2.6 */
635: if ((index != 1 && index != 2) || len != 4) {
636: printf("index=%d,len=%d ", index, len);
1.13 skrll 637: return -1;
1.1 dyoung 638: }
639: status = REG_READ(ADMHCD_REG_PORTSTATUS0+(index-1)*4);
640: DPRINTF(D_MSG, ("UR_GET_STATUS RCO=%x ", status));
641:
642: //DPRINTF(D_XFER, ("ST=%04x,CH=%04x ", status, sc->sc_change));
643: USETW(ps.wPortStatus, status & (UPS_CURRENT_CONNECT_STATUS|UPS_PORT_ENABLED|UPS_SUSPEND|UPS_OVERCURRENT_INDICATOR|UPS_RESET|UPS_PORT_POWER|UPS_LOW_SPEED));
644: USETW(ps.wPortChange, (status>>16) & (UPS_C_CONNECT_STATUS|UPS_C_PORT_ENABLED|UPS_C_SUSPEND|UPS_C_OVERCURRENT_INDICATOR|UPS_C_PORT_RESET));
1.13 skrll 645: totlen = min(len, sizeof(ps));
646: memcpy(buf, &ps, totlen);
1.1 dyoung 647: break;
648: case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE):
649: /* Set Hub Descriptor, 11.16.2.7, not supported */
650: /* STALL ? */
1.13 skrll 651: return -1;
1.1 dyoung 652: case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE):
653: /* Set Hub Feature, 11.16.2.8, not supported */
654: break;
655: case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER):
656: #define WPS(x) REG_WRITE(ADMHCD_REG_PORTSTATUS0+(index-1)*4, (x))
657: /* Set Port Feature, 11.16.2.9 */
658: if ((index != 1) && (index !=2)) {
659: printf("index=%d ", index);
1.13 skrll 660: return -1;
1.1 dyoung 661: }
662: switch (value) {
663: case UHF_PORT_RESET:
664: DPRINTF(D_MSG, ("PORT_RESET "));
665: WPS(ADMHCD_PRS);
666: break;
667: case UHF_PORT_POWER:
668: DPRINTF(D_MSG, ("PORT_POWER "));
669: WPS(ADMHCD_PPS);
670: break;
671: case UHF_PORT_ENABLE:
672: DPRINTF(D_MSG, ("PORT_ENABLE "));
673: WPS(ADMHCD_PES);
674: break;
675: default:
676: printf("SetPortFeatERR=0x%x ", value);
1.13 skrll 677: return -1;
1.1 dyoung 678: }
679: #undef WPS
680: break;
681: default:
682: DPRINTF(D_MSG, ("ioerr(UR=%02x,UT=%02x) ",
683: req->bRequest, req->bmRequestType));
1.13 skrll 684: /* default from usbroothub */
685: return buflen;
1.1 dyoung 686: }
687:
1.13 skrll 688: return totlen;
1.1 dyoung 689: }
690:
691: static usbd_status
1.13 skrll 692: ahci_root_intr_transfer(struct usbd_xfer *xfer)
1.1 dyoung 693: {
1.13 skrll 694: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 695: usbd_status error;
696:
697: DPRINTF(D_TRACE, ("SLRItransfer "));
698:
699: /* Insert last in queue */
1.12 skrll 700: mutex_enter(&sc->sc_lock);
1.1 dyoung 701: error = usb_insert_transfer(xfer);
1.12 skrll 702: mutex_exit(&sc->sc_lock);
1.1 dyoung 703: if (error)
704: return error;
705:
706: /*
707: * Pipe isn't running (otherwise error would be USBD_INPROG),
708: * start first.
709: */
1.13 skrll 710: return ahci_root_intr_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
1.1 dyoung 711: }
712:
713: static usbd_status
1.13 skrll 714: ahci_root_intr_start(struct usbd_xfer *xfer)
1.1 dyoung 715: {
1.13 skrll 716: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 717:
718: DPRINTF(D_TRACE, ("SLRIstart "));
719:
1.13 skrll 720: sc->sc_interval = MS_TO_TICKS(xfer->ux_pipe->up_endpoint->ue_edesc->bInterval);
1.6 dyoung 721: callout_reset(&sc->sc_poll_handle, sc->sc_interval, ahci_poll_hub, xfer);
1.1 dyoung 722: sc->sc_intr_xfer = xfer;
723: return USBD_IN_PROGRESS;
724: }
725:
726: static void
1.13 skrll 727: ahci_root_intr_abort(struct usbd_xfer *xfer)
1.1 dyoung 728: {
729: DPRINTF(D_TRACE, ("SLRIabort "));
730: }
731:
732: static void
1.13 skrll 733: ahci_root_intr_close(struct usbd_pipe *pipe)
1.1 dyoung 734: {
1.13 skrll 735: struct ahci_softc *sc = AHCI_PIPE2SC(pipe);
1.1 dyoung 736:
737: DPRINTF(D_TRACE, ("SLRIclose "));
738:
1.6 dyoung 739: callout_stop(&sc->sc_poll_handle);
1.1 dyoung 740: sc->sc_intr_xfer = NULL;
741: }
742:
743: static void
1.13 skrll 744: ahci_root_intr_done(struct usbd_xfer *xfer)
1.1 dyoung 745: {
746: //DPRINTF(D_XFER, ("RIdn "));
747: }
748:
749: static usbd_status
1.13 skrll 750: ahci_device_ctrl_transfer(struct usbd_xfer *xfer)
1.1 dyoung 751: {
1.13 skrll 752: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 753: usbd_status error;
754:
755: DPRINTF(D_TRACE, ("C"));
756:
1.12 skrll 757: mutex_enter(&sc->sc_lock);
1.1 dyoung 758: error = usb_insert_transfer(xfer);
1.12 skrll 759: mutex_exit(&sc->sc_lock);
1.1 dyoung 760: if (error)
761: return error;
762:
1.13 skrll 763: return ahci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
1.1 dyoung 764: }
765:
766: static usbd_status
1.13 skrll 767: ahci_device_ctrl_start(struct usbd_xfer *xfer)
1.1 dyoung 768: {
769: usbd_status status = USBD_NORMAL_COMPLETION;
770: int s, err;
771: static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep;
772: static struct admhcd_td td_v[4] __attribute__((aligned(16))), *td, *td1, *td2, *td3;
773: static usb_dma_t reqdma;
1.13 skrll 774: struct usbd_pipe *pipe = xfer->ux_pipe;
775: usb_device_request_t *req = &xfer->ux_request;
776: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 777: int len, isread;
1.11 skrll 778:
1.1 dyoung 779:
780: #if 0
1.13 skrll 781: struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->ux_pipe;
1.1 dyoung 782: #endif
1.12 skrll 783: mutex_enter(&sc->sc_lock);
1.1 dyoung 784: /* printf("ctrl_start>>>\n"); */
785:
786: #ifdef DIAGNOSTIC
1.13 skrll 787: if (!(xfer->ux_rqflags & URQ_REQUEST)) {
788: /* XXX panic */
789: printf("ahci_device_ctrl_transfer: not a request\n");
790: return USBD_INVAL;
791: }
1.1 dyoung 792: #endif
793:
1.13 skrll 794: #define KSEG1ADDR(x) (0xa0000000 | (((uint32_t)x) & 0x1fffffff))
1.1 dyoung 795: DPRINTF(D_TRACE, ("st "));
796: if (!ep) {
1.13 skrll 797: ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v);
1.11 skrll 798: td = (struct admhcd_td *)KSEG1ADDR(&td_v[0]);
799: td1 = (struct admhcd_td *)KSEG1ADDR(&td_v[1]);
800: td2 = (struct admhcd_td *)KSEG1ADDR(&td_v[2]);
801: td3 = (struct admhcd_td *)KSEG1ADDR(&td_v[3]);
1.1 dyoung 802: err = usb_allocmem(&sc->sc_bus,
803: sizeof(usb_device_request_t),
804: 0, &reqdma);
805: if (err)
1.13 skrll 806: return USBD_NOMEM;
1.1 dyoung 807:
808: /* printf("ep: %p\n",ep); */
809: };
810:
1.13 skrll 811: ep->control = pipe->up_dev->ud_addr | \
812: ((pipe->up_dev->ud_speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \
813: ((UGETW(pipe->up_endpoint->ue_edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT);
1.1 dyoung 814: memcpy(KERNADDR(&reqdma, 0), req, sizeof *req);
815: /* printf("status: %x\n",REG_READ(ADMHCD_REG_PORTSTATUS0));
816: printf("ep_control: %x\n",ep->control);
1.13 skrll 817: printf("speed: %x\n",pipe->up_dev->ud_speed);
1.1 dyoung 818: printf("req: %p\n",req);
1.13 skrll 819: printf("dmabuf: %p\n",xfer->ux_dmabuf.block); */
1.1 dyoung 820:
821: isread = req->bmRequestType & UT_READ;
822: len = UGETW(req->wLength);
823:
1.13 skrll 824: ep->next = ep;
1.1 dyoung 825:
1.13 skrll 826: td->buffer = DMAADDR(&reqdma,0) | 0xa0000000;
827: td->buflen=sizeof(*req);
828: td->control=ADMHCD_TD_SETUP | ADMHCD_TD_DATA0 | ADMHCD_TD_OWN;
1.1 dyoung 829:
830: if (len) {
831: td->next = td1;
832:
1.13 skrll 833: td1->buffer = DMAADDR(&xfer->ux_dmabuf,0) | 0xa0000000;
1.1 dyoung 834: td1->buflen = len;
835: td1->next = td2;
836: td1->control= (isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | ADMHCD_TD_DATA1 | ADMHCD_TD_R | ADMHCD_TD_OWN;
1.13 skrll 837: } else {
838: td1->control = 0;
839: td->next = td2;
840: };
1.1 dyoung 841:
842: td2->buffer = 0;
843: td2->buflen= 0;
844: td2->next = td3;
845: td2->control = (isread?ADMHCD_TD_OUT:ADMHCD_TD_IN) | ADMHCD_TD_DATA1 | ADMHCD_TD_OWN;
846:
847: td3->buffer = 0;
848: td3->buflen= 0;
849: td3->next = 0;
850: td3->control = 0;
851:
852: ep->head = td;
853: ep->tail = td3;
854: /*
855: printf("ep: %p\n",ep);
856: printf("ep->next: %p\n",ep->next);
857: printf("ep->head: %p\n",ep->head);
858: printf("ep->tail: %p\n",ep->tail);
859: printf("td: %p\n",td);
860: printf("td->next: %p\n",td->next);
861: printf("td->buffer: %x\n",td->buffer);
862: printf("td->buflen: %x\n",td->buflen);
863: printf("td1: %p\n",td1);
864: printf("td1->next: %p\n",td1->next);
865: printf("td2: %p\n",td2);
866: printf("td2->next: %p\n",td2->next);
867: printf("td3: %p\n",td3);
868: printf("td3->next: %p\n",td3->next);
869: */
870:
1.13 skrll 871: REG_WRITE(ADMHCD_REG_HOSTHEAD, (uint32_t)ep);
872: REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN);
1.1 dyoung 873: /* printf("1: %x %x %x %x\n", ep->control, td->control, td1->control, td2->control); */
1.13 skrll 874: s=100;
875: while (s--) {
876: delay_ms(10);
1.1 dyoung 877: /* printf("%x %x %x %x\n", ep->control, td->control, td1->control, td2->control);*/
878: status = USBD_TIMEOUT;
1.13 skrll 879: if (td->control & ADMHCD_TD_OWN) continue;
1.1 dyoung 880:
1.13 skrll 881: err = (td->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
882: if (err) {
1.1 dyoung 883: status = USBD_IOERROR;
1.13 skrll 884: break;
885: };
1.1 dyoung 886:
887: status = USBD_TIMEOUT;
1.13 skrll 888: if (td1->control & ADMHCD_TD_OWN) continue;
889: err = (td1->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
890: if (err) {
1.1 dyoung 891: status = USBD_IOERROR;
1.13 skrll 892: break;
893: };
1.1 dyoung 894:
895: status = USBD_TIMEOUT;
1.13 skrll 896: if (td2->control & ADMHCD_TD_OWN) continue;
897: err = (td2->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
898: if (err) {
1.1 dyoung 899: status = USBD_IOERROR;
1.13 skrll 900: };
1.1 dyoung 901: status = USBD_NORMAL_COMPLETION;
1.13 skrll 902: break;
1.1 dyoung 903:
904: };
1.13 skrll 905: REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
1.1 dyoung 906:
1.13 skrll 907: xfer->ux_actlen = len;
908: xfer->ux_status = status;
1.1 dyoung 909:
910: /* printf("ctrl_start<<<\n"); */
911:
912: usb_transfer_complete(xfer);
1.12 skrll 913: mutex_exit(&sc->sc_lock);
914: return USBD_NORMAL_COMPLETION;
1.1 dyoung 915: }
916:
917: static void
1.13 skrll 918: ahci_device_ctrl_abort(struct usbd_xfer *xfer)
1.1 dyoung 919: {
920: DPRINTF(D_TRACE, ("Cab "));
921: ahci_abort_xfer(xfer, USBD_CANCELLED);
922: }
923:
924: static void
1.13 skrll 925: ahci_device_ctrl_close(struct usbd_pipe *pipe)
1.1 dyoung 926: {
927: DPRINTF(D_TRACE, ("Ccl "));
928: }
929:
930: static void
1.13 skrll 931: ahci_device_ctrl_done(struct usbd_xfer *xfer)
1.1 dyoung 932: {
933: DPRINTF(D_TRACE, ("Cdn "));
934: }
935:
936: static usbd_status
1.13 skrll 937: ahci_device_intr_transfer(struct usbd_xfer *xfer)
1.1 dyoung 938: {
1.13 skrll 939: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 940: usbd_status error;
941:
942: DPRINTF(D_TRACE, ("INTRtrans "));
943:
1.12 skrll 944: mutex_enter(&sc->sc_lock);
1.1 dyoung 945: error = usb_insert_transfer(xfer);
1.12 skrll 946: mutex_exit(&sc->sc_lock);
1.1 dyoung 947: if (error)
948: return error;
949:
1.13 skrll 950: return ahci_device_intr_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
1.1 dyoung 951: }
952:
953: static usbd_status
1.13 skrll 954: ahci_device_intr_start(struct usbd_xfer *xfer)
1.1 dyoung 955: {
1.13 skrll 956: struct usbd_pipe *pipe = xfer->ux_pipe;
1.1 dyoung 957: struct ahci_xfer *sx;
958:
959: DPRINTF(D_TRACE, ("INTRstart "));
960:
1.13 skrll 961: sx = kmem_intr_alloc(sizeof(*sx), KM_NOSLEEP);
1.1 dyoung 962: if (sx == NULL)
963: goto reterr;
964: memset(sx, 0, sizeof(*sx));
1.13 skrll 965: sx->sx_xfer = xfer;
966: xfer->ux_hcpriv = sx;
1.1 dyoung 967:
968: /* initialize callout */
1.6 dyoung 969: callout_init(&sx->sx_callout_t, 0);
1.11 skrll 970: callout_reset(&sx->sx_callout_t,
1.13 skrll 971: MS_TO_TICKS(pipe->up_endpoint->ue_edesc->bInterval),
1.1 dyoung 972: ahci_poll_device, sx);
973:
974: /* ACK */
975: return USBD_IN_PROGRESS;
976:
977: reterr:
978: return USBD_IOERROR;
979: }
980:
981: static void
982: ahci_poll_device(void *arg)
983: {
984: struct ahci_xfer *sx = (struct ahci_xfer *)arg;
1.13 skrll 985: struct usbd_xfer *xfer = sx->sx_xfer;
986: struct usbd_pipe *pipe = xfer->ux_pipe;
987: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 988: void *buf;
989: int pid;
990: int r;
991:
992: DPRINTF(D_TRACE, ("pldev"));
993:
1.6 dyoung 994: callout_reset(&sx->sx_callout_t,
1.13 skrll 995: MS_TO_TICKS(pipe->up_endpoint->ue_edesc->bInterval),
1.1 dyoung 996: ahci_poll_device, sx);
997:
998: /* interrupt transfer */
1.13 skrll 999: pid = (UE_GET_DIR(pipe->up_endpoint->ue_edesc->bEndpointAddress) == UE_DIR_IN)
1.1 dyoung 1000: ? ADMHCD_TD_IN : ADMHCD_TD_OUT;
1.13 skrll 1001: buf = KERNADDR(&xfer->ux_dmabuf, 0);
1.1 dyoung 1002:
1.13 skrll 1003: r = ahci_transaction(sc, pipe, pid, xfer->ux_length, buf, 0/*toggle*/);
1.1 dyoung 1004: if (r < 0) {
1.2 perry 1005: DPRINTF(D_MSG, ("%s error", __func__));
1.1 dyoung 1006: return;
1007: }
1008: /* no change, return NAK */
1009: if (r == 0)
1010: return;
1011:
1.13 skrll 1012: xfer->ux_status = USBD_NORMAL_COMPLETION;
1.12 skrll 1013: mutex_enter(&sc->sc_lock);
1.1 dyoung 1014: usb_transfer_complete(xfer);
1.12 skrll 1015: mutex_exit(&sc->sc_lock);
1.1 dyoung 1016: }
1017:
1018: static void
1.13 skrll 1019: ahci_device_intr_abort(struct usbd_xfer *xfer)
1.1 dyoung 1020: {
1021: struct ahci_xfer *sx;
1022:
1023: DPRINTF(D_TRACE, ("INTRabort "));
1024:
1.13 skrll 1025: sx = xfer->ux_hcpriv;
1.1 dyoung 1026: if (sx) {
1.6 dyoung 1027: callout_stop(&sx->sx_callout_t);
1.13 skrll 1028: kmem_intr_free(sx, sizeof(*sx));
1029: xfer->ux_hcpriv = NULL;
1.1 dyoung 1030: } else {
1.2 perry 1031: printf("%s: sx == NULL!\n", __func__);
1.1 dyoung 1032: }
1033: ahci_abort_xfer(xfer, USBD_CANCELLED);
1034: }
1035:
1036: static void
1.13 skrll 1037: ahci_device_intr_close(struct usbd_pipe *pipe)
1.1 dyoung 1038: {
1039: DPRINTF(D_TRACE, ("INTRclose "));
1040: }
1041:
1042: static void
1.13 skrll 1043: ahci_device_intr_done(struct usbd_xfer *xfer)
1.1 dyoung 1044: {
1045: DPRINTF(D_TRACE, ("INTRdone "));
1046: }
1047:
1048: static usbd_status
1.13 skrll 1049: ahci_device_isoc_transfer(struct usbd_xfer *xfer)
1.1 dyoung 1050: {
1051: DPRINTF(D_TRACE, ("S"));
1052: return USBD_NORMAL_COMPLETION;
1053: }
1054:
1055: static usbd_status
1.13 skrll 1056: ahci_device_isoc_start(struct usbd_xfer *xfer)
1.1 dyoung 1057: {
1058: DPRINTF(D_TRACE, ("st "));
1059: return USBD_NORMAL_COMPLETION;
1060: }
1061:
1062: static void
1.13 skrll 1063: ahci_device_isoc_abort(struct usbd_xfer *xfer)
1.1 dyoung 1064: {
1065: DPRINTF(D_TRACE, ("Sab "));
1066: }
1067:
1068: static void
1.13 skrll 1069: ahci_device_isoc_close(struct usbd_pipe *pipe)
1.1 dyoung 1070: {
1071: DPRINTF(D_TRACE, ("Scl "));
1072: }
1073:
1074: static void
1.13 skrll 1075: ahci_device_isoc_done(struct usbd_xfer *xfer)
1.1 dyoung 1076: {
1077: DPRINTF(D_TRACE, ("Sdn "));
1078: }
1079:
1080: static usbd_status
1.13 skrll 1081: ahci_device_bulk_transfer(struct usbd_xfer *xfer)
1.1 dyoung 1082: {
1.13 skrll 1083: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 1084: usbd_status error;
1085:
1086: DPRINTF(D_TRACE, ("B"));
1087:
1.12 skrll 1088: mutex_enter(&sc->sc_lock);
1.1 dyoung 1089: error = usb_insert_transfer(xfer);
1.12 skrll 1090: mutex_exit(&sc->sc_lock);
1.1 dyoung 1091: if (error)
1092: return error;
1093:
1.13 skrll 1094: return ahci_device_bulk_start(SIMPLEQ_FIRST(&xfer->ux_pipe->up_queue));
1.1 dyoung 1095: }
1096:
1097: static usbd_status
1.13 skrll 1098: ahci_device_bulk_start(struct usbd_xfer *xfer)
1.1 dyoung 1099: {
1100: #define NBULK_TDS 32
1101: static volatile int level = 0;
1102: usbd_status status = USBD_NORMAL_COMPLETION;
1103: int s, err;
1104: static struct admhcd_ed ep_v __attribute__((aligned(16))), *ep;
1105: static struct admhcd_td td_v[NBULK_TDS] __attribute__((aligned(16))), *td[NBULK_TDS];
1.13 skrll 1106: struct usbd_pipe *pipe = xfer->ux_pipe;
1107: struct ahci_softc *sc = AHCI_XFER2SC(xfer);
1.1 dyoung 1108: int endpt, i, len, tlen, segs, offset, isread, toggle, short_ok;
1.13 skrll 1109: struct ahci_pipe *apipe = (struct ahci_pipe *)xfer->ux_pipe;
1.1 dyoung 1110:
1.13 skrll 1111: #define KSEG1ADDR(x) (0xa0000000 | (((uint32_t)x) & 0x1fffffff))
1.1 dyoung 1112: DPRINTF(D_TRACE, ("st "));
1113:
1114: #ifdef DIAGNOSTIC
1.13 skrll 1115: if (xfer->ux_rqflags & URQ_REQUEST) {
1.1 dyoung 1116: /* XXX panic */
1117: printf("ohci_device_bulk_start: a request\n");
1.13 skrll 1118: return USBD_INVAL;
1.1 dyoung 1119: }
1120: #endif
1121:
1.12 skrll 1122: mutex_enter(&sc->sc_lock);
1.1 dyoung 1123: level++;
1124: /* printf("bulk_start>>>\n"); */
1125:
1126: if (!ep) {
1.13 skrll 1127: ep = (struct admhcd_ed *)KSEG1ADDR(&ep_v);
1.1 dyoung 1128: for (i=0; i<NBULK_TDS; i++) {
1.11 skrll 1129: td[i] = (struct admhcd_td *)KSEG1ADDR(&td_v[i]);
1.1 dyoung 1130: };
1131: /* printf("ep: %p\n",ep);*/
1132: };
1133: if (apipe->toggle == 0) {
1134: toggle = ADMHCD_TD_DATA0;
1135: } else {
1136: toggle = apipe->toggle;
1137: };
1138:
1.13 skrll 1139: endpt = pipe->up_endpoint->ue_edesc->bEndpointAddress;
1140: ep->control = pipe->up_dev->ud_addr | ((endpt & 0xf) << ADMHCD_ED_EPSHIFT)|\
1141: ((pipe->up_dev->ud_speed==USB_SPEED_FULL)?ADMHCD_ED_SPEED:0) | \
1142: ((UGETW(pipe->up_endpoint->ue_edesc->wMaxPacketSize))<<ADMHCD_ED_MAXSHIFT);
1.1 dyoung 1143:
1.13 skrll 1144: short_ok = xfer->ux_flags & USBD_SHORT_XFER_OK?ADMHCD_TD_R:0;
1.1 dyoung 1145: /* printf("level: %d\n",level);
1146: printf("short_xfer: %x\n",short_ok);
1147: printf("ep_control: %x\n",ep->control);
1.13 skrll 1148: printf("speed: %x\n",pipe->up_dev->ud_speed);
1149: printf("dmabuf: %p\n",xfer->ux_dmabuf.block); */
1.1 dyoung 1150:
1.13 skrll 1151: isread = UE_GET_DIR(endpt) == UE_DIR_IN;
1152: len = xfer->ux_length;
1.1 dyoung 1153:
1.13 skrll 1154: ep->next = ep;
1.1 dyoung 1155:
1156: i = 0;
1157: offset = 0;
1158: while ((len>0) || (i==0)) {
1159: tlen = min(len,4096);
1.13 skrll 1160: td[i]->buffer = DMAADDR(&xfer->ux_dmabuf,offset) | 0xa0000000;
1.1 dyoung 1161: td[i]->buflen=tlen;
1162: td[i]->control=(isread?ADMHCD_TD_IN:ADMHCD_TD_OUT) | toggle | ADMHCD_TD_OWN | short_ok;
1163: td[i]->len=tlen;
1164: toggle = ADMHCD_TD_TOGGLE;
1165: len -= tlen;
1166: offset += tlen;
1167: td[i]->next = td[i+1];
1168: i++;
1169: };
1170:
1171: td[i]->buffer = 0;
1172: td[i]->buflen = 0;
1173: td[i]->control = 0;
1174: td[i]->next = 0;
1175:
1176: ep->head = td[0];
1177: ep->tail = td[i];
1178: segs = i;
1179: len = 0;
1180:
1181: /* printf("segs: %d\n",segs);
1182: printf("ep: %p\n",ep);
1183: printf("ep->control: %x\n",ep->control);
1184: printf("ep->next: %p\n",ep->next);
1185: printf("ep->head: %p\n",ep->head);
1186: printf("ep->tail: %p\n",ep->tail);
1187: for (i=0; i<segs; i++) {
1188: printf("td[%d]: %p\n",i,td[i]);
1189: printf("td[%d]->control: %x\n",i,td[i]->control);
1190: printf("td[%d]->next: %p\n",i,td[i]->next);
1191: printf("td[%d]->buffer: %x\n",i,td[i]->buffer);
1192: printf("td[%d]->buflen: %x\n",i,td[i]->buflen);
1193: }; */
1194:
1.13 skrll 1195: REG_WRITE(ADMHCD_REG_HOSTHEAD, (uint32_t)ep);
1196: REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP | ADMHCD_DMA_EN);
1.1 dyoung 1197: i = 0;
1198: /* printf("1: %x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */
1.13 skrll 1199: s=100;
1.1 dyoung 1200: err = 0;
1.13 skrll 1201: while (s--) {
1.1 dyoung 1202: /* printf("%x %d %x %x\n", ep->control, i, td[i]->control, td[i]->buflen); */
1203: status = USBD_TIMEOUT;
1.13 skrll 1204: if (td[i]->control & ADMHCD_TD_OWN) {
1.1 dyoung 1205: delay_ms(3);
1206: continue;
1207: };
1208:
1209: len += td[i]->len - td[i]->buflen;
1210:
1.13 skrll 1211: err = (td[i]->control & ADMHCD_TD_ERRMASK)>>ADMHCD_TD_ERRSHIFT;
1212: if (err) {
1.1 dyoung 1213: status = USBD_IOERROR;
1.13 skrll 1214: break;
1215: };
1.11 skrll 1216:
1.1 dyoung 1217: i++;
1218: if (i==segs) {
1219: status = USBD_NORMAL_COMPLETION;
1220: break;
1221: };
1222:
1223: };
1.13 skrll 1224: REG_WRITE(ADMHCD_REG_HOSTCONTROL, ADMHCD_STATE_OP);
1.1 dyoung 1225:
1.13 skrll 1226: apipe->toggle = ((uint32_t)ep->head & 2)?ADMHCD_TD_DATA1:ADMHCD_TD_DATA0;
1.1 dyoung 1227: /* printf("bulk_transfer_done: status: %x, err: %x, len: %x, toggle: %x\n", status,err,len,apipe->toggle); */
1228:
1229: if (short_ok && (err == 0x9 || err == 0xd)) {
1230: /* printf("bulk_transfer_done: short_transfer fix\n"); */
1231: status = USBD_NORMAL_COMPLETION;
1232: };
1.13 skrll 1233: xfer->ux_actlen = len;
1234: xfer->ux_status = status;
1.1 dyoung 1235:
1236: level--;
1237: /* printf("bulk_start<<<\n"); */
1238:
1239: usb_transfer_complete(xfer);
1.12 skrll 1240: mutex_exit(&sc->sc_lock);
1241:
1242: return USBD_NORMAL_COMPLETION;
1.1 dyoung 1243: }
1244:
1245: static void
1.13 skrll 1246: ahci_device_bulk_abort(struct usbd_xfer *xfer)
1.1 dyoung 1247: {
1248: DPRINTF(D_TRACE, ("Bab "));
1249: ahci_abort_xfer(xfer, USBD_CANCELLED);
1250: }
1251:
1252: static void
1.13 skrll 1253: ahci_device_bulk_close(struct usbd_pipe *pipe)
1.1 dyoung 1254: {
1255: DPRINTF(D_TRACE, ("Bcl "));
1256: }
1257:
1258: static void
1.13 skrll 1259: ahci_device_bulk_done(struct usbd_xfer *xfer)
1.1 dyoung 1260: {
1261: DPRINTF(D_TRACE, ("Bdn "));
1262: }
1263:
1264: #define DATA0_RD (0x03)
1265: #define DATA0_WR (0x07)
1266: #define AHCI_TIMEOUT (5000)
1267:
1268: /*
1269: * Do a transaction.
1270: * return 1 if ACK, 0 if NAK, -1 if error.
1271: */
1272: static int
1.13 skrll 1273: ahci_transaction(struct ahci_softc *sc, struct usbd_pipe *pipe,
1274: uint8_t pid, int len, u_char *buf, uint8_t toggle)
1.1 dyoung 1275: {
1276: return -1;
1277: #if 0
1278: #ifdef AHCI_DEBUG
1279: char str[64];
1280: int i;
1281: #endif
1282: int timeout;
1283: int ls_via_hub = 0;
1284: int pl;
1.13 skrll 1285: uint8_t isr;
1286: uint8_t result = 0;
1287: uint8_t devaddr = pipe->up_dev->ud_addr;
1288: uint8_t endpointaddr = pipe->up_endpoint->ue_edesc->bEndpointAddress;
1289: uint8_t endpoint;
1290: uint8_t cmd = DATA0_RD;
1.1 dyoung 1291:
1292: endpoint = UE_GET_ADDR(endpointaddr);
1293: DPRINTF(D_XFER, ("\n(%x,%d%s%d,%d) ",
1294: pid, len, (pid == SL11_PID_IN) ? "<-" : "->", devaddr, endpoint));
1295:
1296: /* Set registers */
1297: sl11write(sc, SL11_E0ADDR, 0x40);
1298: sl11write(sc, SL11_E0LEN, len);
1299: sl11write(sc, SL11_E0PID, (pid << 4) + endpoint);
1300: sl11write(sc, SL11_E0DEV, devaddr);
1301:
1302: /* Set buffer unless PID_IN */
1303: if (pid != SL11_PID_IN) {
1304: if (len > 0)
1305: sl11write_region(sc, 0x40, buf, len);
1306: cmd = DATA0_WR;
1307: }
1308:
1309: /* timing ? */
1310: pl = (len >> 3) + 3;
1311:
1312: /* Low speed device via HUB */
1313: /* XXX does not work... */
1.13 skrll 1314: if ((sc->sc_fullspeed) && pipe->up_dev->ud_speed == USB_SPEED_LOW) {
1.1 dyoung 1315: pl = len + 16;
1316: cmd |= SL11_EPCTRL_PREAMBLE;
1317:
1318: /*
1319: * SL811HS/T rev 1.2 has a bug, when it got PID_IN
1320: * from LowSpeed device via HUB.
1321: */
1322: if (sc->sc_sltype == SLTYPE_SL811HS_R12 && pid == SL11_PID_IN) {
1323: ls_via_hub = 1;
1324: DPRINTF(D_MSG, ("LSvH "));
1325: }
1326: }
1327:
1328: /* timing ? */
1.13 skrll 1329: if (sl11read(sc, SL811_CSOF) <= (uint8_t)pl)
1.1 dyoung 1330: cmd |= SL11_EPCTRL_SOF;
1331:
1332: /* Transfer */
1333: sl11write(sc, SL11_ISR, 0xff);
1334: sl11write(sc, SL11_E0CTRL, cmd | toggle);
1335:
1336: /* Polling */
1337: for (timeout = AHCI_TIMEOUT; timeout; timeout--) {
1338: isr = sl11read(sc, SL11_ISR);
1339: if ((isr & SL11_ISR_USBA))
1340: break;
1341: }
1342:
1343: /* Check result status */
1344: result = sl11read(sc, SL11_E0STAT);
1345: if (!(result & SL11_EPSTAT_NAK) && ls_via_hub) {
1346: /* Resend PID_IN within 20usec */
1347: sl11write(sc, SL11_ISR, 0xff);
1348: sl11write(sc, SL11_E0CTRL, SL11_EPCTRL_ARM);
1349: }
1350:
1351: sl11write(sc, SL11_ISR, 0xff);
1352:
1353: DPRINTF(D_XFER, ("t=%d i=%x ", AHCI_TIMEOUT - timeout, isr));
1354: #if AHCI_DEBUG
1.5 christos 1355: snprintb(str, sizeof(str),
1356: "\20\x8STALL\7NAK\6OV\5SETUP\4DATA1\3TIMEOUT\2ERR\1ACK", result);
1.1 dyoung 1357: DPRINTF(D_XFER, ("STAT=%s ", str));
1358: #endif
1359:
1360: if ((result & SL11_EPSTAT_ERROR))
1361: return -1;
1362:
1363: if ((result & SL11_EPSTAT_NAK))
1364: return 0;
1365:
1366: /* Read buffer if PID_IN */
1367: if (pid == SL11_PID_IN && len > 0) {
1368: sl11read_region(sc, buf, 0x40, len);
1369: #if AHCI_DEBUG
1370: for (i = 0; i < len; i++)
1371: DPRINTF(D_XFER, ("%02X ", buf[i]));
1372: #endif
1373: }
1374:
1375: return 1;
1376: #endif
1377: }
1378:
1379: void
1.13 skrll 1380: ahci_abort_xfer(struct usbd_xfer *xfer, usbd_status status)
1.1 dyoung 1381: {
1.13 skrll 1382: xfer->ux_status = status;
1.1 dyoung 1383: usb_transfer_complete(xfer);
1384: }
1385:
1386: void
1.13 skrll 1387: ahci_device_clear_toggle(struct usbd_pipe *pipe)
1.1 dyoung 1388: {
1.13 skrll 1389: struct ahci_pipe *apipe = (struct ahci_pipe *)pipe;
1.1 dyoung 1390: apipe->toggle = 0;
1391: }
1392:
1393: #ifdef AHCI_DEBUG
1394: void
1395: print_req(usb_device_request_t *r)
1396: {
1397: const char *xmes[]={
1398: "GETSTAT",
1399: "CLRFEAT",
1400: "res",
1401: "SETFEAT",
1402: "res",
1403: "SETADDR",
1404: "GETDESC",
1405: "SETDESC",
1406: "GETCONF",
1407: "SETCONF",
1408: "GETIN/F",
1409: "SETIN/F",
1410: "SYNC_FR"
1411: };
1412: int req, type, value, index, len;
1413:
1414: req = r->bRequest;
1415: type = r->bmRequestType;
1416: value = UGETW(r->wValue);
1417: index = UGETW(r->wIndex);
1418: len = UGETW(r->wLength);
1419:
1420: printf("%x,%s,v=%d,i=%d,l=%d ",
1421: type, xmes[req], value, index, len);
1422: }
1423:
1424: void
1425: print_req_hub(usb_device_request_t *r)
1426: {
1427: struct {
1428: int req;
1429: int type;
1430: const char *str;
1431: } conf[] = {
1432: { 1, 0x20, "ClrHubFeat" },
1433: { 1, 0x23, "ClrPortFeat" },
1434: { 2, 0xa3, "GetBusState" },
1435: { 6, 0xa0, "GetHubDesc" },
1436: { 0, 0xa0, "GetHubStat" },
1437: { 0, 0xa3, "GetPortStat" },
1438: { 7, 0x20, "SetHubDesc" },
1439: { 3, 0x20, "SetHubFeat" },
1440: { 3, 0x23, "SetPortFeat" },
1441: {-1, 0, NULL},
1442: };
1443: int i;
1444: int value, index, len;
1445:
1446: value = UGETW(r->wValue);
1447: index = UGETW(r->wIndex);
1448: len = UGETW(r->wLength);
1449: for (i = 0; ; i++) {
1450: if (conf[i].req == -1 )
1451: return print_req(r);
1452: if (r->bmRequestType == conf[i].type && r->bRequest == conf[i].req) {
1453: printf("%s", conf[i].str);
1454: break;
1455: }
1456: }
1457: printf(",v=%d,i=%d,l=%d ", value, index, len);
1458: }
1459:
1460: void
1461: print_dumpreg(struct ahci_softc *sc)
1462: {
1463: #if 0
1464: printf("00=%02x,01=%02x,02=%02x,03=%02x,04=%02x,"
1465: "08=%02x,09=%02x,0A=%02x,0B=%02x,0C=%02x,",
1466: sl11read(sc, 0), sl11read(sc, 1),
1467: sl11read(sc, 2), sl11read(sc, 3),
1468: sl11read(sc, 4), sl11read(sc, 8),
1469: sl11read(sc, 9), sl11read(sc, 10),
1470: sl11read(sc, 11), sl11read(sc, 12)
1471: );
1472: printf("CR1=%02x,IER=%02x,0D=%02x,0E=%02x,0F=%02x ",
1473: sl11read(sc, 5), sl11read(sc, 6),
1474: sl11read(sc, 13), sl11read(sc, 14), sl11read(sc, 15)
1475: );
1476: #endif
1477: }
1478:
1479: void
1.13 skrll 1480: print_xfer(struct usbd_xfer *xfer)
1.1 dyoung 1481: {
1482: printf("xfer: length=%d, actlen=%d, flags=%x, timeout=%d,",
1.13 skrll 1483: xfer->ux_length, xfer->ux_actlen, xfer->ux_flags, xfer->ux_timeout);
1.1 dyoung 1484: printf("request{ ");
1.13 skrll 1485: print_req_hub(&xfer->ux_request);
1.1 dyoung 1486: printf("} ");
1487: }
1488: #endif /* AHCI_DEBUG */
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