2 * QEMU USB OHCI Emulation
3 * Copyright (c) 2004 Gianni Tedesco
4 * Copyright (c) 2006 CodeSourcery
5 * Copyright (c) 2006 Openedhand Ltd.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
22 * o Isochronous transfers
23 * o Allocate bandwidth in frames properly
24 * o Disable timers when nothing needs to be done, or remove timer usage
26 * o Handle unrecoverable errors properly
27 * o BIOS work to boot from USB storage
31 #include "qemu-timer.h"
37 /* Dump packet contents. */
38 //#define DEBUG_PACKET
40 /* This causes frames to occur 1000x slower */
41 //#define OHCI_TIME_WARP 1
44 #define dprintf printf
49 /* Number of Downstream Ports on the root hub. */
51 #define OHCI_MAX_PORTS 15
53 static int64_t usb_frame_time;
54 static int64_t usb_bit_time;
56 typedef struct OHCIPort {
77 /* Control partition */
82 /* memory pointer partition */
84 uint32_t ctrl_head, ctrl_cur;
85 uint32_t bulk_head, bulk_cur;
90 /* Frame counter partition */
95 uint16_t frame_number;
100 /* Root Hub partition */
101 uint32_t rhdesc_a, rhdesc_b;
103 OHCIPort rhport[OHCI_MAX_PORTS];
105 /* PXA27x Non-OHCI events */
111 /* Active packets. */
113 USBPacket usb_packet;
114 uint8_t usb_buf[8192];
120 /* Host Controller Communications Area */
127 static void ohci_bus_stop(OHCIState *ohci);
129 /* Bitfields for the first word of an Endpoint Desciptor. */
130 #define OHCI_ED_FA_SHIFT 0
131 #define OHCI_ED_FA_MASK (0x7f<<OHCI_ED_FA_SHIFT)
132 #define OHCI_ED_EN_SHIFT 7
133 #define OHCI_ED_EN_MASK (0xf<<OHCI_ED_EN_SHIFT)
134 #define OHCI_ED_D_SHIFT 11
135 #define OHCI_ED_D_MASK (3<<OHCI_ED_D_SHIFT)
136 #define OHCI_ED_S (1<<13)
137 #define OHCI_ED_K (1<<14)
138 #define OHCI_ED_F (1<<15)
139 #define OHCI_ED_MPS_SHIFT 16
140 #define OHCI_ED_MPS_MASK (0x7ff<<OHCI_ED_MPS_SHIFT)
142 /* Flags in the head field of an Endpoint Desciptor. */
146 /* Bitfields for the first word of a Transfer Desciptor. */
147 #define OHCI_TD_R (1<<18)
148 #define OHCI_TD_DP_SHIFT 19
149 #define OHCI_TD_DP_MASK (3<<OHCI_TD_DP_SHIFT)
150 #define OHCI_TD_DI_SHIFT 21
151 #define OHCI_TD_DI_MASK (7<<OHCI_TD_DI_SHIFT)
152 #define OHCI_TD_T0 (1<<24)
153 #define OHCI_TD_T1 (1<<24)
154 #define OHCI_TD_EC_SHIFT 26
155 #define OHCI_TD_EC_MASK (3<<OHCI_TD_EC_SHIFT)
156 #define OHCI_TD_CC_SHIFT 28
157 #define OHCI_TD_CC_MASK (0xf<<OHCI_TD_CC_SHIFT)
159 /* Bitfields for the first word of an Isochronous Transfer Desciptor. */
160 /* CC & DI - same as in the General Transfer Desciptor */
161 #define OHCI_TD_SF_SHIFT 0
162 #define OHCI_TD_SF_MASK (0xffff<<OHCI_TD_SF_SHIFT)
163 #define OHCI_TD_FC_SHIFT 24
164 #define OHCI_TD_FC_MASK (7<<OHCI_TD_FC_SHIFT)
166 /* Isochronous Transfer Desciptor - Offset / PacketStatusWord */
167 #define OHCI_TD_PSW_CC_SHIFT 12
168 #define OHCI_TD_PSW_CC_MASK (0xf<<OHCI_TD_PSW_CC_SHIFT)
169 #define OHCI_TD_PSW_SIZE_SHIFT 0
170 #define OHCI_TD_PSW_SIZE_MASK (0xfff<<OHCI_TD_PSW_SIZE_SHIFT)
172 #define OHCI_PAGE_MASK 0xfffff000
173 #define OHCI_OFFSET_MASK 0xfff
175 #define OHCI_DPTR_MASK 0xfffffff0
177 #define OHCI_BM(val, field) \
178 (((val) & OHCI_##field##_MASK) >> OHCI_##field##_SHIFT)
180 #define OHCI_SET_BM(val, field, newval) do { \
181 val &= ~OHCI_##field##_MASK; \
182 val |= ((newval) << OHCI_##field##_SHIFT) & OHCI_##field##_MASK; \
185 /* endpoint descriptor */
193 /* General transfer descriptor */
201 /* Isochronous transfer descriptor */
210 #define USB_HZ 12000000
212 /* OHCI Local stuff */
213 #define OHCI_CTL_CBSR ((1<<0)|(1<<1))
214 #define OHCI_CTL_PLE (1<<2)
215 #define OHCI_CTL_IE (1<<3)
216 #define OHCI_CTL_CLE (1<<4)
217 #define OHCI_CTL_BLE (1<<5)
218 #define OHCI_CTL_HCFS ((1<<6)|(1<<7))
219 #define OHCI_USB_RESET 0x00
220 #define OHCI_USB_RESUME 0x40
221 #define OHCI_USB_OPERATIONAL 0x80
222 #define OHCI_USB_SUSPEND 0xc0
223 #define OHCI_CTL_IR (1<<8)
224 #define OHCI_CTL_RWC (1<<9)
225 #define OHCI_CTL_RWE (1<<10)
227 #define OHCI_STATUS_HCR (1<<0)
228 #define OHCI_STATUS_CLF (1<<1)
229 #define OHCI_STATUS_BLF (1<<2)
230 #define OHCI_STATUS_OCR (1<<3)
231 #define OHCI_STATUS_SOC ((1<<6)|(1<<7))
233 #define OHCI_INTR_SO (1<<0) /* Scheduling overrun */
234 #define OHCI_INTR_WD (1<<1) /* HcDoneHead writeback */
235 #define OHCI_INTR_SF (1<<2) /* Start of frame */
236 #define OHCI_INTR_RD (1<<3) /* Resume detect */
237 #define OHCI_INTR_UE (1<<4) /* Unrecoverable error */
238 #define OHCI_INTR_FNO (1<<5) /* Frame number overflow */
239 #define OHCI_INTR_RHSC (1<<6) /* Root hub status change */
240 #define OHCI_INTR_OC (1<<30) /* Ownership change */
241 #define OHCI_INTR_MIE (1<<31) /* Master Interrupt Enable */
243 #define OHCI_HCCA_SIZE 0x100
244 #define OHCI_HCCA_MASK 0xffffff00
246 #define OHCI_EDPTR_MASK 0xfffffff0
248 #define OHCI_FMI_FI 0x00003fff
249 #define OHCI_FMI_FSMPS 0xffff0000
250 #define OHCI_FMI_FIT 0x80000000
252 #define OHCI_FR_RT (1<<31)
254 #define OHCI_LS_THRESH 0x628
256 #define OHCI_RHA_RW_MASK 0x00000000 /* Mask of supported features. */
257 #define OHCI_RHA_PSM (1<<8)
258 #define OHCI_RHA_NPS (1<<9)
259 #define OHCI_RHA_DT (1<<10)
260 #define OHCI_RHA_OCPM (1<<11)
261 #define OHCI_RHA_NOCP (1<<12)
262 #define OHCI_RHA_POTPGT_MASK 0xff000000
264 #define OHCI_RHS_LPS (1<<0)
265 #define OHCI_RHS_OCI (1<<1)
266 #define OHCI_RHS_DRWE (1<<15)
267 #define OHCI_RHS_LPSC (1<<16)
268 #define OHCI_RHS_OCIC (1<<17)
269 #define OHCI_RHS_CRWE (1<<31)
271 #define OHCI_PORT_CCS (1<<0)
272 #define OHCI_PORT_PES (1<<1)
273 #define OHCI_PORT_PSS (1<<2)
274 #define OHCI_PORT_POCI (1<<3)
275 #define OHCI_PORT_PRS (1<<4)
276 #define OHCI_PORT_PPS (1<<8)
277 #define OHCI_PORT_LSDA (1<<9)
278 #define OHCI_PORT_CSC (1<<16)
279 #define OHCI_PORT_PESC (1<<17)
280 #define OHCI_PORT_PSSC (1<<18)
281 #define OHCI_PORT_OCIC (1<<19)
282 #define OHCI_PORT_PRSC (1<<20)
283 #define OHCI_PORT_WTC (OHCI_PORT_CSC|OHCI_PORT_PESC|OHCI_PORT_PSSC \
284 |OHCI_PORT_OCIC|OHCI_PORT_PRSC)
286 #define OHCI_TD_DIR_SETUP 0x0
287 #define OHCI_TD_DIR_OUT 0x1
288 #define OHCI_TD_DIR_IN 0x2
289 #define OHCI_TD_DIR_RESERVED 0x3
291 #define OHCI_CC_NOERROR 0x0
292 #define OHCI_CC_CRC 0x1
293 #define OHCI_CC_BITSTUFFING 0x2
294 #define OHCI_CC_DATATOGGLEMISMATCH 0x3
295 #define OHCI_CC_STALL 0x4
296 #define OHCI_CC_DEVICENOTRESPONDING 0x5
297 #define OHCI_CC_PIDCHECKFAILURE 0x6
298 #define OHCI_CC_UNDEXPETEDPID 0x7
299 #define OHCI_CC_DATAOVERRUN 0x8
300 #define OHCI_CC_DATAUNDERRUN 0x9
301 #define OHCI_CC_BUFFEROVERRUN 0xc
302 #define OHCI_CC_BUFFERUNDERRUN 0xd
304 #define OHCI_HRESET_FSBIR (1 << 0)
306 /* Update IRQ levels */
307 static inline void ohci_intr_update(OHCIState *ohci)
311 if ((ohci->intr & OHCI_INTR_MIE) &&
312 (ohci->intr_status & ohci->intr))
315 qemu_set_irq(ohci->irq, level);
318 /* Set an interrupt */
319 static inline void ohci_set_interrupt(OHCIState *ohci, uint32_t intr)
321 ohci->intr_status |= intr;
322 ohci_intr_update(ohci);
325 /* Attach or detach a device on a root hub port. */
326 static void ohci_attach(USBPort *port1, USBDevice *dev)
328 OHCIState *s = port1->opaque;
329 OHCIPort *port = &s->rhport[port1->index];
330 uint32_t old_state = port->ctrl;
333 if (port->port.dev) {
334 usb_attach(port1, NULL);
336 /* set connect status */
337 port->ctrl |= OHCI_PORT_CCS | OHCI_PORT_CSC;
340 if (dev->speed == USB_SPEED_LOW)
341 port->ctrl |= OHCI_PORT_LSDA;
343 port->ctrl &= ~OHCI_PORT_LSDA;
344 port->port.dev = dev;
346 /* notify of remote-wakeup */
347 if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND)
348 ohci_set_interrupt(s, OHCI_INTR_RD);
350 /* send the attach message */
351 usb_send_msg(dev, USB_MSG_ATTACH);
352 dprintf("usb-ohci: Attached port %d\n", port1->index);
354 /* set connect status */
355 if (port->ctrl & OHCI_PORT_CCS) {
356 port->ctrl &= ~OHCI_PORT_CCS;
357 port->ctrl |= OHCI_PORT_CSC;
360 if (port->ctrl & OHCI_PORT_PES) {
361 port->ctrl &= ~OHCI_PORT_PES;
362 port->ctrl |= OHCI_PORT_PESC;
364 dev = port->port.dev;
366 /* send the detach message */
367 usb_send_msg(dev, USB_MSG_DETACH);
369 port->port.dev = NULL;
370 dprintf("usb-ohci: Detached port %d\n", port1->index);
373 if (old_state != port->ctrl)
374 ohci_set_interrupt(s, OHCI_INTR_RHSC);
377 /* Reset the controller */
378 static void ohci_reset(void *opaque)
380 OHCIState *ohci = opaque;
388 ohci->intr_status = 0;
389 ohci->intr = OHCI_INTR_MIE;
392 ohci->ctrl_head = ohci->ctrl_cur = 0;
393 ohci->bulk_head = ohci->bulk_cur = 0;
396 ohci->done_count = 7;
398 /* FSMPS is marked TBD in OCHI 1.0, what gives ffs?
399 * I took the value linux sets ...
401 ohci->fsmps = 0x2778;
405 ohci->frame_number = 0;
407 ohci->lst = OHCI_LS_THRESH;
409 ohci->rhdesc_a = OHCI_RHA_NPS | ohci->num_ports;
410 ohci->rhdesc_b = 0x0; /* Impl. specific */
413 for (i = 0; i < ohci->num_ports; i++)
415 port = &ohci->rhport[i];
418 ohci_attach(&port->port, port->port.dev);
420 if (ohci->async_td) {
421 usb_cancel_packet(&ohci->usb_packet);
424 dprintf("usb-ohci: Reset %s\n", ohci->name);
427 /* Get an array of dwords from main memory */
428 static inline int get_dwords(uint32_t addr, uint32_t *buf, int num)
432 for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) {
433 cpu_physical_memory_rw(addr, (uint8_t *)buf, sizeof(*buf), 0);
434 *buf = le32_to_cpu(*buf);
440 /* Put an array of dwords in to main memory */
441 static inline int put_dwords(uint32_t addr, uint32_t *buf, int num)
445 for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) {
446 uint32_t tmp = cpu_to_le32(*buf);
447 cpu_physical_memory_rw(addr, (uint8_t *)&tmp, sizeof(tmp), 1);
453 /* Get an array of words from main memory */
454 static inline int get_words(uint32_t addr, uint16_t *buf, int num)
458 for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) {
459 cpu_physical_memory_rw(addr, (uint8_t *)buf, sizeof(*buf), 0);
460 *buf = le16_to_cpu(*buf);
466 /* Put an array of words in to main memory */
467 static inline int put_words(uint32_t addr, uint16_t *buf, int num)
471 for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) {
472 uint16_t tmp = cpu_to_le16(*buf);
473 cpu_physical_memory_rw(addr, (uint8_t *)&tmp, sizeof(tmp), 1);
479 static inline int ohci_read_ed(uint32_t addr, struct ohci_ed *ed)
481 return get_dwords(addr, (uint32_t *)ed, sizeof(*ed) >> 2);
484 static inline int ohci_read_td(uint32_t addr, struct ohci_td *td)
486 return get_dwords(addr, (uint32_t *)td, sizeof(*td) >> 2);
489 static inline int ohci_read_iso_td(uint32_t addr, struct ohci_iso_td *td)
491 return (get_dwords(addr, (uint32_t *)td, 4) &&
492 get_words(addr + 16, td->offset, 8));
495 static inline int ohci_put_ed(uint32_t addr, struct ohci_ed *ed)
497 return put_dwords(addr, (uint32_t *)ed, sizeof(*ed) >> 2);
500 static inline int ohci_put_td(uint32_t addr, struct ohci_td *td)
502 return put_dwords(addr, (uint32_t *)td, sizeof(*td) >> 2);
505 static inline int ohci_put_iso_td(uint32_t addr, struct ohci_iso_td *td)
507 return (put_dwords(addr, (uint32_t *)td, 4) &&
508 put_words(addr + 16, td->offset, 8));
511 /* Read/Write the contents of a TD from/to main memory. */
512 static void ohci_copy_td(struct ohci_td *td, uint8_t *buf, int len, int write)
518 n = 0x1000 - (ptr & 0xfff);
521 cpu_physical_memory_rw(ptr, buf, n, write);
524 ptr = td->be & ~0xfffu;
526 cpu_physical_memory_rw(ptr, buf, len - n, write);
529 /* Read/Write the contents of an ISO TD from/to main memory. */
530 static void ohci_copy_iso_td(uint32_t start_addr, uint32_t end_addr,
531 uint8_t *buf, int len, int write)
537 n = 0x1000 - (ptr & 0xfff);
540 cpu_physical_memory_rw(ptr, buf, n, write);
543 ptr = end_addr & ~0xfffu;
545 cpu_physical_memory_rw(ptr, buf, len - n, write);
548 static void ohci_process_lists(OHCIState *ohci, int completion);
550 static void ohci_async_complete_packet(USBPacket *packet, void *opaque)
552 OHCIState *ohci = opaque;
554 dprintf("Async packet complete\n");
556 ohci->async_complete = 1;
557 ohci_process_lists(ohci, 1);
560 #define USUB(a, b) ((int16_t)((uint16_t)(a) - (uint16_t)(b)))
562 static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed,
567 const char *str = NULL;
572 struct ohci_iso_td iso_td;
574 uint16_t starting_frame;
575 int16_t relative_frame_number;
577 uint32_t start_offset, next_offset, end_offset = 0;
578 uint32_t start_addr, end_addr;
580 addr = ed->head & OHCI_DPTR_MASK;
582 if (!ohci_read_iso_td(addr, &iso_td)) {
583 printf("usb-ohci: ISO_TD read error at %x\n", addr);
587 starting_frame = OHCI_BM(iso_td.flags, TD_SF);
588 frame_count = OHCI_BM(iso_td.flags, TD_FC);
589 relative_frame_number = USUB(ohci->frame_number, starting_frame);
592 printf("--- ISO_TD ED head 0x%.8x tailp 0x%.8x\n"
593 "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
594 "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
595 "0x%.8x 0x%.8x 0x%.8x 0x%.8x\n"
596 "frame_number 0x%.8x starting_frame 0x%.8x\n"
597 "frame_count 0x%.8x relative %d\n"
598 "di 0x%.8x cc 0x%.8x\n",
599 ed->head & OHCI_DPTR_MASK, ed->tail & OHCI_DPTR_MASK,
600 iso_td.flags, iso_td.bp, iso_td.next, iso_td.be,
601 iso_td.offset[0], iso_td.offset[1], iso_td.offset[2], iso_td.offset[3],
602 iso_td.offset[4], iso_td.offset[5], iso_td.offset[6], iso_td.offset[7],
603 ohci->frame_number, starting_frame,
604 frame_count, relative_frame_number,
605 OHCI_BM(iso_td.flags, TD_DI), OHCI_BM(iso_td.flags, TD_CC));
608 if (relative_frame_number < 0) {
609 dprintf("usb-ohci: ISO_TD R=%d < 0\n", relative_frame_number);
611 } else if (relative_frame_number > frame_count) {
612 /* ISO TD expired - retire the TD to the Done Queue and continue with
613 the next ISO TD of the same ED */
614 dprintf("usb-ohci: ISO_TD R=%d > FC=%d\n", relative_frame_number,
616 OHCI_SET_BM(iso_td.flags, TD_CC, OHCI_CC_DATAOVERRUN);
617 ed->head &= ~OHCI_DPTR_MASK;
618 ed->head |= (iso_td.next & OHCI_DPTR_MASK);
619 iso_td.next = ohci->done;
621 i = OHCI_BM(iso_td.flags, TD_DI);
622 if (i < ohci->done_count)
623 ohci->done_count = i;
624 ohci_put_iso_td(addr, &iso_td);
628 dir = OHCI_BM(ed->flags, ED_D);
634 case OHCI_TD_DIR_OUT:
638 case OHCI_TD_DIR_SETUP:
640 pid = USB_TOKEN_SETUP;
643 printf("usb-ohci: Bad direction %d\n", dir);
647 if (!iso_td.bp || !iso_td.be) {
648 printf("usb-ohci: ISO_TD bp 0x%.8x be 0x%.8x\n", iso_td.bp, iso_td.be);
652 start_offset = iso_td.offset[relative_frame_number];
653 next_offset = iso_td.offset[relative_frame_number + 1];
655 if (!(OHCI_BM(start_offset, TD_PSW_CC) & 0xe) ||
656 ((relative_frame_number < frame_count) &&
657 !(OHCI_BM(next_offset, TD_PSW_CC) & 0xe))) {
658 printf("usb-ohci: ISO_TD cc != not accessed 0x%.8x 0x%.8x\n",
659 start_offset, next_offset);
663 if ((relative_frame_number < frame_count) && (start_offset > next_offset)) {
664 printf("usb-ohci: ISO_TD start_offset=0x%.8x > next_offset=0x%.8x\n",
665 start_offset, next_offset);
669 if ((start_offset & 0x1000) == 0) {
670 start_addr = (iso_td.bp & OHCI_PAGE_MASK) |
671 (start_offset & OHCI_OFFSET_MASK);
673 start_addr = (iso_td.be & OHCI_PAGE_MASK) |
674 (start_offset & OHCI_OFFSET_MASK);
677 if (relative_frame_number < frame_count) {
678 end_offset = next_offset - 1;
679 if ((end_offset & 0x1000) == 0) {
680 end_addr = (iso_td.bp & OHCI_PAGE_MASK) |
681 (end_offset & OHCI_OFFSET_MASK);
683 end_addr = (iso_td.be & OHCI_PAGE_MASK) |
684 (end_offset & OHCI_OFFSET_MASK);
687 /* Last packet in the ISO TD */
688 end_addr = iso_td.be;
691 if ((start_addr & OHCI_PAGE_MASK) != (end_addr & OHCI_PAGE_MASK)) {
692 len = (end_addr & OHCI_OFFSET_MASK) + 0x1001
693 - (start_addr & OHCI_OFFSET_MASK);
695 len = end_addr - start_addr + 1;
698 if (len && dir != OHCI_TD_DIR_IN) {
699 ohci_copy_iso_td(start_addr, end_addr, ohci->usb_buf, len, 0);
703 ret = ohci->usb_packet.len;
706 for (i = 0; i < ohci->num_ports; i++) {
707 dev = ohci->rhport[i].port.dev;
708 if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0)
710 ohci->usb_packet.pid = pid;
711 ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA);
712 ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
713 ohci->usb_packet.data = ohci->usb_buf;
714 ohci->usb_packet.len = len;
715 ohci->usb_packet.complete_cb = ohci_async_complete_packet;
716 ohci->usb_packet.complete_opaque = ohci;
717 ret = dev->handle_packet(dev, &ohci->usb_packet);
718 if (ret != USB_RET_NODEV)
722 if (ret == USB_RET_ASYNC) {
728 printf("so 0x%.8x eo 0x%.8x\nsa 0x%.8x ea 0x%.8x\ndir %s len %zu ret %d\n",
729 start_offset, end_offset, start_addr, end_addr, str, len, ret);
733 if (dir == OHCI_TD_DIR_IN && ret >= 0 && ret <= len) {
734 /* IN transfer succeeded */
735 ohci_copy_iso_td(start_addr, end_addr, ohci->usb_buf, ret, 1);
736 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC,
738 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, ret);
739 } else if (dir == OHCI_TD_DIR_OUT && ret == len) {
740 /* OUT transfer succeeded */
741 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC,
743 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE, 0);
745 if (ret > (ssize_t) len) {
746 printf("usb-ohci: DataOverrun %d > %zu\n", ret, len);
747 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC,
748 OHCI_CC_DATAOVERRUN);
749 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE,
751 } else if (ret >= 0) {
752 printf("usb-ohci: DataUnderrun %d\n", ret);
753 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC,
754 OHCI_CC_DATAUNDERRUN);
758 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC,
759 OHCI_CC_DEVICENOTRESPONDING);
760 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE,
765 printf("usb-ohci: got NAK/STALL %d\n", ret);
766 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC,
768 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_SIZE,
772 printf("usb-ohci: Bad device response %d\n", ret);
773 OHCI_SET_BM(iso_td.offset[relative_frame_number], TD_PSW_CC,
774 OHCI_CC_UNDEXPETEDPID);
780 if (relative_frame_number == frame_count) {
781 /* Last data packet of ISO TD - retire the TD to the Done Queue */
782 OHCI_SET_BM(iso_td.flags, TD_CC, OHCI_CC_NOERROR);
783 ed->head &= ~OHCI_DPTR_MASK;
784 ed->head |= (iso_td.next & OHCI_DPTR_MASK);
785 iso_td.next = ohci->done;
787 i = OHCI_BM(iso_td.flags, TD_DI);
788 if (i < ohci->done_count)
789 ohci->done_count = i;
791 ohci_put_iso_td(addr, &iso_td);
795 /* Service a transport descriptor.
796 Returns nonzero to terminate processing of this endpoint. */
798 static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
802 const char *str = NULL;
812 addr = ed->head & OHCI_DPTR_MASK;
813 /* See if this TD has already been submitted to the device. */
814 completion = (addr == ohci->async_td);
815 if (completion && !ohci->async_complete) {
817 dprintf("Skipping async TD\n");
821 if (!ohci_read_td(addr, &td)) {
822 fprintf(stderr, "usb-ohci: TD read error at %x\n", addr);
826 dir = OHCI_BM(ed->flags, ED_D);
828 case OHCI_TD_DIR_OUT:
833 dir = OHCI_BM(td.flags, TD_DP);
842 case OHCI_TD_DIR_OUT:
846 case OHCI_TD_DIR_SETUP:
848 pid = USB_TOKEN_SETUP;
851 fprintf(stderr, "usb-ohci: Bad direction\n");
854 if (td.cbp && td.be) {
855 if ((td.cbp & 0xfffff000) != (td.be & 0xfffff000)) {
856 len = (td.be & 0xfff) + 0x1001 - (td.cbp & 0xfff);
858 len = (td.be - td.cbp) + 1;
861 if (len && dir != OHCI_TD_DIR_IN && !completion) {
862 ohci_copy_td(&td, ohci->usb_buf, len, 0);
866 flag_r = (td.flags & OHCI_TD_R) != 0;
868 dprintf(" TD @ 0x%.8x %u bytes %s r=%d cbp=0x%.8x be=0x%.8x\n",
869 addr, len, str, flag_r, td.cbp, td.be);
871 if (len > 0 && dir != OHCI_TD_DIR_IN) {
873 for (i = 0; i < len; i++)
874 printf(" %.2x", ohci->usb_buf[i]);
879 ret = ohci->usb_packet.len;
881 ohci->async_complete = 0;
884 for (i = 0; i < ohci->num_ports; i++) {
885 dev = ohci->rhport[i].port.dev;
886 if ((ohci->rhport[i].ctrl & OHCI_PORT_PES) == 0)
889 if (ohci->async_td) {
890 /* ??? The hardware should allow one active packet per
891 endpoint. We only allow one active packet per controller.
892 This should be sufficient as long as devices respond in a
896 dprintf("Too many pending packets\n");
900 ohci->usb_packet.pid = pid;
901 ohci->usb_packet.devaddr = OHCI_BM(ed->flags, ED_FA);
902 ohci->usb_packet.devep = OHCI_BM(ed->flags, ED_EN);
903 ohci->usb_packet.data = ohci->usb_buf;
904 ohci->usb_packet.len = len;
905 ohci->usb_packet.complete_cb = ohci_async_complete_packet;
906 ohci->usb_packet.complete_opaque = ohci;
907 ret = dev->handle_packet(dev, &ohci->usb_packet);
908 if (ret != USB_RET_NODEV)
912 dprintf("ret=%d\n", ret);
914 if (ret == USB_RET_ASYNC) {
915 ohci->async_td = addr;
920 if (dir == OHCI_TD_DIR_IN) {
921 ohci_copy_td(&td, ohci->usb_buf, ret, 1);
924 for (i = 0; i < ret; i++)
925 printf(" %.2x", ohci->usb_buf[i]);
934 if (ret == len || (dir == OHCI_TD_DIR_IN && ret >= 0 && flag_r)) {
935 /* Transmission succeeded. */
940 if ((td.cbp & 0xfff) + ret > 0xfff) {
942 td.cbp |= td.be & ~0xfff;
945 td.flags |= OHCI_TD_T1;
946 td.flags ^= OHCI_TD_T0;
947 OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_NOERROR);
948 OHCI_SET_BM(td.flags, TD_EC, 0);
950 ed->head &= ~OHCI_ED_C;
951 if (td.flags & OHCI_TD_T0)
952 ed->head |= OHCI_ED_C;
955 dprintf("usb-ohci: Underrun\n");
956 OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DATAUNDERRUN);
960 OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DEVICENOTRESPONDING);
962 dprintf("usb-ohci: got NAK\n");
965 dprintf("usb-ohci: got STALL\n");
966 OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_STALL);
969 dprintf("usb-ohci: got BABBLE\n");
970 OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DATAOVERRUN);
973 fprintf(stderr, "usb-ohci: Bad device response %d\n", ret);
974 OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_UNDEXPETEDPID);
975 OHCI_SET_BM(td.flags, TD_EC, 3);
979 ed->head |= OHCI_ED_H;
983 ed->head &= ~OHCI_DPTR_MASK;
984 ed->head |= td.next & OHCI_DPTR_MASK;
985 td.next = ohci->done;
987 i = OHCI_BM(td.flags, TD_DI);
988 if (i < ohci->done_count)
989 ohci->done_count = i;
990 ohci_put_td(addr, &td);
991 return OHCI_BM(td.flags, TD_CC) != OHCI_CC_NOERROR;
994 /* Service an endpoint list. Returns nonzero if active TD were found. */
995 static int ohci_service_ed_list(OHCIState *ohci, uint32_t head, int completion)
1007 for (cur = head; cur; cur = next_ed) {
1008 if (!ohci_read_ed(cur, &ed)) {
1009 fprintf(stderr, "usb-ohci: ED read error at %x\n", cur);
1013 next_ed = ed.next & OHCI_DPTR_MASK;
1015 if ((ed.head & OHCI_ED_H) || (ed.flags & OHCI_ED_K)) {
1017 /* Cancel pending packets for ED that have been paused. */
1018 addr = ed.head & OHCI_DPTR_MASK;
1019 if (ohci->async_td && addr == ohci->async_td) {
1020 usb_cancel_packet(&ohci->usb_packet);
1026 while ((ed.head & OHCI_DPTR_MASK) != ed.tail) {
1028 dprintf("ED @ 0x%.8x fa=%u en=%u d=%u s=%u k=%u f=%u mps=%u "
1029 "h=%u c=%u\n head=0x%.8x tailp=0x%.8x next=0x%.8x\n", cur,
1030 OHCI_BM(ed.flags, ED_FA), OHCI_BM(ed.flags, ED_EN),
1031 OHCI_BM(ed.flags, ED_D), (ed.flags & OHCI_ED_S)!= 0,
1032 (ed.flags & OHCI_ED_K) != 0, (ed.flags & OHCI_ED_F) != 0,
1033 OHCI_BM(ed.flags, ED_MPS), (ed.head & OHCI_ED_H) != 0,
1034 (ed.head & OHCI_ED_C) != 0, ed.head & OHCI_DPTR_MASK,
1035 ed.tail & OHCI_DPTR_MASK, ed.next & OHCI_DPTR_MASK);
1039 if ((ed.flags & OHCI_ED_F) == 0) {
1040 if (ohci_service_td(ohci, &ed))
1043 /* Handle isochronous endpoints */
1044 if (ohci_service_iso_td(ohci, &ed, completion))
1049 ohci_put_ed(cur, &ed);
1055 /* Generate a SOF event, and set a timer for EOF */
1056 static void ohci_sof(OHCIState *ohci)
1058 ohci->sof_time = qemu_get_clock(vm_clock);
1059 qemu_mod_timer(ohci->eof_timer, ohci->sof_time + usb_frame_time);
1060 ohci_set_interrupt(ohci, OHCI_INTR_SF);
1063 /* Process Control and Bulk lists. */
1064 static void ohci_process_lists(OHCIState *ohci, int completion)
1066 if ((ohci->ctl & OHCI_CTL_CLE) && (ohci->status & OHCI_STATUS_CLF)) {
1067 if (ohci->ctrl_cur && ohci->ctrl_cur != ohci->ctrl_head)
1068 dprintf("usb-ohci: head %x, cur %x\n",
1069 ohci->ctrl_head, ohci->ctrl_cur);
1070 if (!ohci_service_ed_list(ohci, ohci->ctrl_head, completion)) {
1072 ohci->status &= ~OHCI_STATUS_CLF;
1076 if ((ohci->ctl & OHCI_CTL_BLE) && (ohci->status & OHCI_STATUS_BLF)) {
1077 if (!ohci_service_ed_list(ohci, ohci->bulk_head, completion)) {
1079 ohci->status &= ~OHCI_STATUS_BLF;
1084 /* Do frame processing on frame boundary */
1085 static void ohci_frame_boundary(void *opaque)
1087 OHCIState *ohci = opaque;
1088 struct ohci_hcca hcca;
1090 cpu_physical_memory_rw(ohci->hcca, (uint8_t *)&hcca, sizeof(hcca), 0);
1092 /* Process all the lists at the end of the frame */
1093 if (ohci->ctl & OHCI_CTL_PLE) {
1096 n = ohci->frame_number & 0x1f;
1097 ohci_service_ed_list(ohci, le32_to_cpu(hcca.intr[n]), 0);
1100 /* Cancel all pending packets if either of the lists has been disabled. */
1101 if (ohci->async_td &&
1102 ohci->old_ctl & (~ohci->ctl) & (OHCI_CTL_BLE | OHCI_CTL_CLE)) {
1103 usb_cancel_packet(&ohci->usb_packet);
1106 ohci->old_ctl = ohci->ctl;
1107 ohci_process_lists(ohci, 0);
1109 /* Frame boundary, so do EOF stuf here */
1110 ohci->frt = ohci->fit;
1112 /* XXX: endianness */
1113 ohci->frame_number = (ohci->frame_number + 1) & 0xffff;
1114 hcca.frame = cpu_to_le32(ohci->frame_number);
1116 if (ohci->done_count == 0 && !(ohci->intr_status & OHCI_INTR_WD)) {
1119 if (ohci->intr & ohci->intr_status)
1121 hcca.done = cpu_to_le32(ohci->done);
1123 ohci->done_count = 7;
1124 ohci_set_interrupt(ohci, OHCI_INTR_WD);
1127 if (ohci->done_count != 7 && ohci->done_count != 0)
1130 /* Do SOF stuff here */
1133 /* Writeback HCCA */
1134 cpu_physical_memory_rw(ohci->hcca, (uint8_t *)&hcca, sizeof(hcca), 1);
1137 /* Start sending SOF tokens across the USB bus, lists are processed in
1140 static int ohci_bus_start(OHCIState *ohci)
1142 ohci->eof_timer = qemu_new_timer(vm_clock,
1143 ohci_frame_boundary,
1146 if (ohci->eof_timer == NULL) {
1147 fprintf(stderr, "usb-ohci: %s: qemu_new_timer failed\n", ohci->name);
1148 /* TODO: Signal unrecoverable error */
1152 dprintf("usb-ohci: %s: USB Operational\n", ohci->name);
1159 /* Stop sending SOF tokens on the bus */
1160 static void ohci_bus_stop(OHCIState *ohci)
1162 if (ohci->eof_timer)
1163 qemu_del_timer(ohci->eof_timer);
1164 ohci->eof_timer = NULL;
1167 /* Sets a flag in a port status register but only set it if the port is
1168 * connected, if not set ConnectStatusChange flag. If flag is enabled
1171 static int ohci_port_set_if_connected(OHCIState *ohci, int i, uint32_t val)
1175 /* writing a 0 has no effect */
1179 /* If CurrentConnectStatus is cleared we set
1180 * ConnectStatusChange
1182 if (!(ohci->rhport[i].ctrl & OHCI_PORT_CCS)) {
1183 ohci->rhport[i].ctrl |= OHCI_PORT_CSC;
1184 if (ohci->rhstatus & OHCI_RHS_DRWE) {
1185 /* TODO: CSC is a wakeup event */
1190 if (ohci->rhport[i].ctrl & val)
1194 ohci->rhport[i].ctrl |= val;
1199 /* Set the frame interval - frame interval toggle is manipulated by the hcd only */
1200 static void ohci_set_frame_interval(OHCIState *ohci, uint16_t val)
1204 if (val != ohci->fi) {
1205 dprintf("usb-ohci: %s: FrameInterval = 0x%x (%u)\n",
1206 ohci->name, ohci->fi, ohci->fi);
1212 static void ohci_port_power(OHCIState *ohci, int i, int p)
1215 ohci->rhport[i].ctrl |= OHCI_PORT_PPS;
1217 ohci->rhport[i].ctrl &= ~(OHCI_PORT_PPS|
1224 /* Set HcControlRegister */
1225 static void ohci_set_ctl(OHCIState *ohci, uint32_t val)
1230 old_state = ohci->ctl & OHCI_CTL_HCFS;
1232 new_state = ohci->ctl & OHCI_CTL_HCFS;
1234 /* no state change */
1235 if (old_state == new_state)
1238 switch (new_state) {
1239 case OHCI_USB_OPERATIONAL:
1240 ohci_bus_start(ohci);
1242 case OHCI_USB_SUSPEND:
1243 ohci_bus_stop(ohci);
1244 dprintf("usb-ohci: %s: USB Suspended\n", ohci->name);
1246 case OHCI_USB_RESUME:
1247 dprintf("usb-ohci: %s: USB Resume\n", ohci->name);
1249 case OHCI_USB_RESET:
1251 dprintf("usb-ohci: %s: USB Reset\n", ohci->name);
1256 static uint32_t ohci_get_frame_remaining(OHCIState *ohci)
1261 if ((ohci->ctl & OHCI_CTL_HCFS) != OHCI_USB_OPERATIONAL)
1262 return (ohci->frt << 31);
1264 /* Being in USB operational state guarnatees sof_time was
1267 tks = qemu_get_clock(vm_clock) - ohci->sof_time;
1269 /* avoid muldiv if possible */
1270 if (tks >= usb_frame_time)
1271 return (ohci->frt << 31);
1273 tks = muldiv64(1, tks, usb_bit_time);
1274 fr = (uint16_t)(ohci->fi - tks);
1276 return (ohci->frt << 31) | fr;
1280 /* Set root hub status */
1281 static void ohci_set_hub_status(OHCIState *ohci, uint32_t val)
1285 old_state = ohci->rhstatus;
1287 /* write 1 to clear OCIC */
1288 if (val & OHCI_RHS_OCIC)
1289 ohci->rhstatus &= ~OHCI_RHS_OCIC;
1291 if (val & OHCI_RHS_LPS) {
1294 for (i = 0; i < ohci->num_ports; i++)
1295 ohci_port_power(ohci, i, 0);
1296 dprintf("usb-ohci: powered down all ports\n");
1299 if (val & OHCI_RHS_LPSC) {
1302 for (i = 0; i < ohci->num_ports; i++)
1303 ohci_port_power(ohci, i, 1);
1304 dprintf("usb-ohci: powered up all ports\n");
1307 if (val & OHCI_RHS_DRWE)
1308 ohci->rhstatus |= OHCI_RHS_DRWE;
1310 if (val & OHCI_RHS_CRWE)
1311 ohci->rhstatus &= ~OHCI_RHS_DRWE;
1313 if (old_state != ohci->rhstatus)
1314 ohci_set_interrupt(ohci, OHCI_INTR_RHSC);
1317 /* Set root hub port status */
1318 static void ohci_port_set_status(OHCIState *ohci, int portnum, uint32_t val)
1323 port = &ohci->rhport[portnum];
1324 old_state = port->ctrl;
1326 /* Write to clear CSC, PESC, PSSC, OCIC, PRSC */
1327 if (val & OHCI_PORT_WTC)
1328 port->ctrl &= ~(val & OHCI_PORT_WTC);
1330 if (val & OHCI_PORT_CCS)
1331 port->ctrl &= ~OHCI_PORT_PES;
1333 ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PES);
1335 if (ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PSS))
1336 dprintf("usb-ohci: port %d: SUSPEND\n", portnum);
1338 if (ohci_port_set_if_connected(ohci, portnum, val & OHCI_PORT_PRS)) {
1339 dprintf("usb-ohci: port %d: RESET\n", portnum);
1340 usb_send_msg(port->port.dev, USB_MSG_RESET);
1341 port->ctrl &= ~OHCI_PORT_PRS;
1342 /* ??? Should this also set OHCI_PORT_PESC. */
1343 port->ctrl |= OHCI_PORT_PES | OHCI_PORT_PRSC;
1346 /* Invert order here to ensure in ambiguous case, device is
1349 if (val & OHCI_PORT_LSDA)
1350 ohci_port_power(ohci, portnum, 0);
1351 if (val & OHCI_PORT_PPS)
1352 ohci_port_power(ohci, portnum, 1);
1354 if (old_state != port->ctrl)
1355 ohci_set_interrupt(ohci, OHCI_INTR_RHSC);
1360 static uint32_t ohci_mem_read(void *ptr, target_phys_addr_t addr)
1362 OHCIState *ohci = ptr;
1364 /* Only aligned reads are allowed on OHCI */
1366 fprintf(stderr, "usb-ohci: Mis-aligned read\n");
1370 if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) {
1371 /* HcRhPortStatus */
1372 return ohci->rhport[(addr - 0x54) >> 2].ctrl | OHCI_PORT_PPS;
1375 switch (addr >> 2) {
1376 case 0: /* HcRevision */
1379 case 1: /* HcControl */
1382 case 2: /* HcCommandStatus */
1383 return ohci->status;
1385 case 3: /* HcInterruptStatus */
1386 return ohci->intr_status;
1388 case 4: /* HcInterruptEnable */
1389 case 5: /* HcInterruptDisable */
1392 case 6: /* HcHCCA */
1395 case 7: /* HcPeriodCurrentED */
1396 return ohci->per_cur;
1398 case 8: /* HcControlHeadED */
1399 return ohci->ctrl_head;
1401 case 9: /* HcControlCurrentED */
1402 return ohci->ctrl_cur;
1404 case 10: /* HcBulkHeadED */
1405 return ohci->bulk_head;
1407 case 11: /* HcBulkCurrentED */
1408 return ohci->bulk_cur;
1410 case 12: /* HcDoneHead */
1413 case 13: /* HcFmInterval */
1414 return (ohci->fit << 31) | (ohci->fsmps << 16) | (ohci->fi);
1416 case 14: /* HcFmRemaining */
1417 return ohci_get_frame_remaining(ohci);
1419 case 15: /* HcFmNumber */
1420 return ohci->frame_number;
1422 case 16: /* HcPeriodicStart */
1423 return ohci->pstart;
1425 case 17: /* HcLSThreshold */
1428 case 18: /* HcRhDescriptorA */
1429 return ohci->rhdesc_a;
1431 case 19: /* HcRhDescriptorB */
1432 return ohci->rhdesc_b;
1434 case 20: /* HcRhStatus */
1435 return ohci->rhstatus;
1437 /* PXA27x specific registers */
1438 case 24: /* HcStatus */
1439 return ohci->hstatus & ohci->hmask;
1441 case 25: /* HcHReset */
1442 return ohci->hreset;
1444 case 26: /* HcHInterruptEnable */
1447 case 27: /* HcHInterruptTest */
1451 fprintf(stderr, "ohci_read: Bad offset %x\n", (int)addr);
1456 static void ohci_mem_write(void *ptr, target_phys_addr_t addr, uint32_t val)
1458 OHCIState *ohci = ptr;
1460 /* Only aligned reads are allowed on OHCI */
1462 fprintf(stderr, "usb-ohci: Mis-aligned write\n");
1466 if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) {
1467 /* HcRhPortStatus */
1468 ohci_port_set_status(ohci, (addr - 0x54) >> 2, val);
1472 switch (addr >> 2) {
1473 case 1: /* HcControl */
1474 ohci_set_ctl(ohci, val);
1477 case 2: /* HcCommandStatus */
1478 /* SOC is read-only */
1479 val = (val & ~OHCI_STATUS_SOC);
1481 /* Bits written as '0' remain unchanged in the register */
1482 ohci->status |= val;
1484 if (ohci->status & OHCI_STATUS_HCR)
1488 case 3: /* HcInterruptStatus */
1489 ohci->intr_status &= ~val;
1490 ohci_intr_update(ohci);
1493 case 4: /* HcInterruptEnable */
1495 ohci_intr_update(ohci);
1498 case 5: /* HcInterruptDisable */
1500 ohci_intr_update(ohci);
1503 case 6: /* HcHCCA */
1504 ohci->hcca = val & OHCI_HCCA_MASK;
1507 case 8: /* HcControlHeadED */
1508 ohci->ctrl_head = val & OHCI_EDPTR_MASK;
1511 case 9: /* HcControlCurrentED */
1512 ohci->ctrl_cur = val & OHCI_EDPTR_MASK;
1515 case 10: /* HcBulkHeadED */
1516 ohci->bulk_head = val & OHCI_EDPTR_MASK;
1519 case 11: /* HcBulkCurrentED */
1520 ohci->bulk_cur = val & OHCI_EDPTR_MASK;
1523 case 13: /* HcFmInterval */
1524 ohci->fsmps = (val & OHCI_FMI_FSMPS) >> 16;
1525 ohci->fit = (val & OHCI_FMI_FIT) >> 31;
1526 ohci_set_frame_interval(ohci, val);
1529 case 15: /* HcFmNumber */
1532 case 16: /* HcPeriodicStart */
1533 ohci->pstart = val & 0xffff;
1536 case 17: /* HcLSThreshold */
1537 ohci->lst = val & 0xffff;
1540 case 18: /* HcRhDescriptorA */
1541 ohci->rhdesc_a &= ~OHCI_RHA_RW_MASK;
1542 ohci->rhdesc_a |= val & OHCI_RHA_RW_MASK;
1545 case 19: /* HcRhDescriptorB */
1548 case 20: /* HcRhStatus */
1549 ohci_set_hub_status(ohci, val);
1552 /* PXA27x specific registers */
1553 case 24: /* HcStatus */
1554 ohci->hstatus &= ~(val & ohci->hmask);
1556 case 25: /* HcHReset */
1557 ohci->hreset = val & ~OHCI_HRESET_FSBIR;
1558 if (val & OHCI_HRESET_FSBIR)
1562 case 26: /* HcHInterruptEnable */
1566 case 27: /* HcHInterruptTest */
1571 fprintf(stderr, "ohci_write: Bad offset %x\n", (int)addr);
1576 /* Only dword reads are defined on OHCI register space */
1577 static CPUReadMemoryFunc *ohci_readfn[3]={
1583 /* Only dword writes are defined on OHCI register space */
1584 static CPUWriteMemoryFunc *ohci_writefn[3]={
1590 static void usb_ohci_init(OHCIState *ohci, int num_ports, int devfn,
1591 qemu_irq irq, enum ohci_type type, const char *name)
1595 if (usb_frame_time == 0) {
1596 #ifdef OHCI_TIME_WARP
1597 usb_frame_time = ticks_per_sec;
1598 usb_bit_time = muldiv64(1, ticks_per_sec, USB_HZ/1000);
1600 usb_frame_time = muldiv64(1, ticks_per_sec, 1000);
1601 if (ticks_per_sec >= USB_HZ) {
1602 usb_bit_time = muldiv64(1, ticks_per_sec, USB_HZ);
1607 dprintf("usb-ohci: usb_bit_time=%lli usb_frame_time=%lli\n",
1608 usb_frame_time, usb_bit_time);
1611 ohci->mem = cpu_register_io_memory(0, ohci_readfn, ohci_writefn, ohci);
1617 ohci->num_ports = num_ports;
1618 for (i = 0; i < num_ports; i++) {
1619 qemu_register_usb_port(&ohci->rhport[i].port, ohci, i, ohci_attach);
1623 qemu_register_reset(ohci_reset, ohci);
1632 static void ohci_mapfunc(PCIDevice *pci_dev, int i,
1633 uint32_t addr, uint32_t size, int type)
1635 OHCIPCIState *ohci = (OHCIPCIState *)pci_dev;
1636 cpu_register_physical_memory(addr, size, ohci->state.mem);
1639 void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn)
1645 ohci = (OHCIPCIState *)pci_register_device(bus, "OHCI USB", sizeof(*ohci),
1648 fprintf(stderr, "usb-ohci: Failed to register PCI device\n");
1652 ohci->pci_dev.config[0x00] = vid & 0xff;
1653 ohci->pci_dev.config[0x01] = (vid >> 8) & 0xff;
1654 ohci->pci_dev.config[0x02] = did & 0xff;
1655 ohci->pci_dev.config[0x03] = (did >> 8) & 0xff;
1656 ohci->pci_dev.config[0x09] = 0x10; /* OHCI */
1657 ohci->pci_dev.config[0x0a] = 0x3;
1658 ohci->pci_dev.config[0x0b] = 0xc;
1659 ohci->pci_dev.config[0x3d] = 0x01; /* interrupt pin 1 */
1661 usb_ohci_init(&ohci->state, num_ports, devfn, ohci->pci_dev.irq[0],
1662 OHCI_TYPE_PCI, ohci->pci_dev.name);
1664 pci_register_io_region((struct PCIDevice *)ohci, 0, 256,
1665 PCI_ADDRESS_SPACE_MEM, ohci_mapfunc);
1668 void usb_ohci_init_pxa(target_phys_addr_t base, int num_ports, int devfn,
1671 OHCIState *ohci = (OHCIState *)qemu_mallocz(sizeof(OHCIState));
1673 usb_ohci_init(ohci, num_ports, devfn, irq,
1674 OHCI_TYPE_PXA, "OHCI USB");
1676 cpu_register_physical_memory(base, 0x1000, ohci->mem);