2 * OHCI HCD (Host Controller Driver) for USB.
4 * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
5 * (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
7 * [ Initialisation is based on Linus' ]
8 * [ uhci code and gregs ahcd fragments ]
9 * [ (C) Copyright 1999 Linus Torvalds ]
10 * [ (C) Copyright 1999 Gregory P. Smith]
13 * OHCI is the main "non-Intel/VIA" standard for USB 1.1 host controller
14 * interfaces (though some non-x86 Intel chips use it). It supports
15 * smarter hardware than UHCI. A download link for the spec available
16 * through the http://www.usb.org website.
18 * This file is licenced under the GPL.
21 #include <linux/module.h>
22 #include <linux/moduleparam.h>
23 #include <linux/pci.h>
24 #include <linux/kernel.h>
25 #include <linux/delay.h>
26 #include <linux/ioport.h>
27 #include <linux/sched.h>
28 #include <linux/slab.h>
29 #include <linux/errno.h>
30 #include <linux/init.h>
31 #include <linux/timer.h>
32 #include <linux/list.h>
33 #include <linux/usb.h>
34 #include <linux/usb/otg.h>
35 #include <linux/dma-mapping.h>
36 #include <linux/dmapool.h>
37 #include <linux/reboot.h>
41 #include <asm/system.h>
42 #include <asm/unaligned.h>
43 #include <asm/byteorder.h>
45 #include "../core/hcd.h"
46 #include "../core/hub.h"
48 #define DRIVER_VERSION "v0.05"
49 #define DRIVER_AUTHOR "Gabor Juhos <juhosg at openwrt.org>"
50 #define DRIVER_DESC "ADMtek USB 1.1 Host Controller Driver"
52 /*-------------------------------------------------------------------------*/
54 #define ADMHC_VERBOSE_DEBUG /* not always helpful */
56 /* For initializing controller (mask in an HCFS mode too) */
57 #define OHCI_CONTROL_INIT OHCI_CTRL_CBSR
59 #define ADMHC_INTR_INIT \
60 ( ADMHC_INTR_MIE | ADMHC_INTR_INSM | ADMHC_INTR_FATI \
61 | ADMHC_INTR_RESI | ADMHC_INTR_TDC | ADMHC_INTR_BABI )
63 /*-------------------------------------------------------------------------*/
65 static const char hcd_name
[] = "admhc-hcd";
67 #define STATECHANGE_DELAY msecs_to_jiffies(300)
71 static void admhc_dump(struct admhcd
*ahcd
, int verbose
);
72 static int admhc_init(struct admhcd
*ahcd
);
73 static void admhc_stop(struct usb_hcd
*hcd
);
75 #include "adm5120-dbg.c"
76 #include "adm5120-mem.c"
77 #include "adm5120-pm.c"
78 #include "adm5120-hub.c"
79 #include "adm5120-q.c"
81 /*-------------------------------------------------------------------------*/
84 * queue up an urb for anything except the root hub
86 static int admhc_urb_enqueue(struct usb_hcd
*hcd
, struct usb_host_endpoint
*ep
,
87 struct urb
*urb
, gfp_t mem_flags
)
89 struct admhcd
*ahcd
= hcd_to_admhcd(hcd
);
91 struct urb_priv
*urb_priv
;
92 unsigned int pipe
= urb
->pipe
;
97 #ifdef ADMHC_VERBOSE_DEBUG
98 spin_lock_irqsave(&ahcd
->lock
, flags
);
99 urb_print(ahcd
, urb
, "ENQEUE", usb_pipein(pipe
));
100 spin_unlock_irqrestore(&ahcd
->lock
, flags
);
103 /* every endpoint has an ed, locate and maybe (re)initialize it */
104 ed
= ed_get(ahcd
, ep
, urb
->dev
, pipe
, urb
->interval
);
108 /* for the private part of the URB we need the number of TDs */
111 if (urb
->transfer_buffer_length
> TD_DATALEN_MAX
)
112 /* td_submit_urb() doesn't yet handle these */
115 /* 1 TD for setup, 1 for ACK, plus ... */
117 if (urb
->transfer_buffer_length
)
121 /* one TD for every 4096 Bytes (can be upto 8K) */
122 td_cnt
= urb
->transfer_buffer_length
/ TD_DATALEN_MAX
;
123 /* ... and for any remaining bytes ... */
124 if ((urb
->transfer_buffer_length
% TD_DATALEN_MAX
) != 0)
126 /* ... and maybe a zero length packet to wrap it up */
129 else if ((urb
->transfer_flags
& URB_ZERO_PACKET
) != 0
130 && (urb
->transfer_buffer_length
131 % usb_maxpacket(urb
->dev
, pipe
,
132 usb_pipeout (pipe
))) == 0)
137 * for Interrupt IN/OUT transactions, each ED contains
139 * TODO: check transfer_buffer_length?
143 case PIPE_ISOCHRONOUS
:
144 /* number of packets from URB */
145 td_cnt
= urb
->number_of_packets
;
149 admhc_err(ahcd
, "bad EP type %d", ed
->type
);
153 urb_priv
= urb_priv_alloc(ahcd
, td_cnt
, mem_flags
);
160 spin_lock_irqsave(&ahcd
->lock
, flags
);
161 /* don't submit to a dead HC */
162 if (!test_bit(HCD_FLAG_HW_ACCESSIBLE
, &hcd
->flags
)) {
166 if (!HC_IS_RUNNING(hcd
->state
)) {
171 /* in case of unlink-during-submit */
172 spin_lock(&urb
->lock
);
173 if (urb
->status
!= -EINPROGRESS
) {
174 spin_unlock(&urb
->lock
);
175 urb
->hcpriv
= urb_priv
;
176 finish_urb(ahcd
, urb
);
181 if (ed
->type
== PIPE_ISOCHRONOUS
) {
182 if (ed
->state
== ED_NEW
) {
183 u16 frame
= admhc_frame_no(ahcd
);
185 /* delay a few frames before the first TD */
186 frame
+= max_t (u16
, 8, ed
->interval
);
187 frame
&= ~(ed
->interval
- 1);
189 urb
->start_frame
= frame
;
191 /* yes, only URB_ISO_ASAP is supported, and
192 * urb->start_frame is never used as input.
195 urb
->start_frame
= ed
->last_iso
+ ed
->interval
;
198 urb
->hcpriv
= urb_priv
;
199 td_submit_urb(ahcd
, urb_priv
->urb
);
201 /* append it to the ED's queue */
202 list_add_tail(&urb_priv
->pending
, &ed
->urb_pending
);
204 /* schedule the ED */
205 ret
= ed_schedule(ahcd
, ed
);
207 spin_unlock(&urb
->lock
);
210 urb_priv
= urb
->hcpriv
;
211 urb_priv_free(ahcd
, urb_priv
);
214 spin_unlock_irqrestore(&ahcd
->lock
, flags
);
219 * decouple the URB from the HC queues (TDs, urb_priv); it's
220 * already marked using urb->status. reporting is always done
221 * asynchronously, and we might be dealing with an urb that's
222 * partially transferred, or an ED with other urbs being unlinked.
224 static int admhc_urb_dequeue(struct usb_hcd
*hcd
, struct urb
*urb
)
226 struct admhcd
*ahcd
= hcd_to_admhcd(hcd
);
234 spin_lock_irqsave(&ahcd
->lock
, flags
);
236 #ifdef ADMHC_VERBOSE_DEBUG
237 urb_print(ahcd
, urb
, "DEQEUE", 1);
240 if (HC_IS_RUNNING(hcd
->state
)) {
241 /* Unless an IRQ completed the unlink while it was being
242 * handed to us, flag it for unlink and giveback, and force
243 * some upcoming INTR_SF to call finish_unlinks()
245 if (up
->ed
->urb_active
!= up
) {
246 list_del(&up
->pending
);
247 finish_urb(ahcd
, urb
);
249 ed_start_deschedule(ahcd
, up
->ed
);
253 * with HC dead, we won't respect hc queue pointers
254 * any more ... just clean up every urb's memory.
256 if (up
->ed
->urb_active
!= up
) {
257 list_del(&up
->pending
);
258 finish_urb(ahcd
, urb
);
260 finish_urb(ahcd
, urb
);
261 up
->ed
->urb_active
= NULL
;
262 up
->ed
->state
= ED_IDLE
;
265 spin_unlock_irqrestore(&ahcd
->lock
, flags
);
270 /*-------------------------------------------------------------------------*/
272 /* frees config/altsetting state for endpoints,
273 * including ED memory, dummy TD, and bulk/intr data toggle
275 static void admhc_endpoint_disable(struct usb_hcd
*hcd
,
276 struct usb_host_endpoint
*ep
)
278 struct admhcd
*ahcd
= hcd_to_admhcd(hcd
);
280 struct ed
*ed
= ep
->hcpriv
;
281 unsigned limit
= 1000;
283 /* ASSERT: any requests/urbs are being unlinked */
284 /* ASSERT: nobody can be submitting urbs for this any more */
289 #ifdef ADMHC_VERBOSE_DEBUG
290 spin_lock_irqsave(&ahcd
->lock
, flags
);
291 admhc_dump_ed(ahcd
, "EP-DISABLE", ed
, 1);
292 spin_unlock_irqrestore(&ahcd
->lock
, flags
);
296 spin_lock_irqsave(&ahcd
->lock
, flags
);
298 if (!HC_IS_RUNNING(hcd
->state
)) {
300 ed
->state
= ED_UNLINK
;
301 admhc_finish_unlinks(ahcd
, 0);
305 case ED_UNLINK
: /* wait for hw to finish? */
306 /* major IRQ delivery trouble loses INTR_SOFI too... */
308 admhc_warn(ahcd
, "IRQ INTR_SOFI lossage\n");
311 spin_unlock_irqrestore(&ahcd
->lock
, flags
);
312 schedule_timeout_uninterruptible(1);
315 case ED_NEW
: /* fully unlinked */
316 if (list_empty(&ed
->urb_pending
)) {
317 td_free(ahcd
, ed
->dummy
);
321 /* else FALL THROUGH */
323 /* caller was supposed to have unlinked any requests;
324 * that's not our job. can't recover; must leak ed.
326 admhc_err(ahcd
, "leak ed %p (#%02x) %s act %p%s\n",
327 ed
, ep
->desc
.bEndpointAddress
,
328 ed_statestring(ed
->state
),
330 list_empty(&ed
->urb_pending
) ? "" : " (has urbs)");
336 spin_unlock_irqrestore(&ahcd
->lock
, flags
);
340 static int admhc_get_frame_number(struct usb_hcd
*hcd
)
342 struct admhcd
*ahcd
= hcd_to_admhcd(hcd
);
344 return admhc_frame_no(ahcd
);
347 static void admhc_usb_reset(struct admhcd
*ahcd
)
349 ahcd
->host_control
= ADMHC_BUSS_RESET
;
350 admhc_writel(ahcd
, ahcd
->host_control
, &ahcd
->regs
->host_control
);
353 /* admhc_shutdown forcibly disables IRQs and DMA, helping kexec and
354 * other cases where the next software may expect clean state from the
355 * "firmware". this is bus-neutral, unlike shutdown() methods.
358 admhc_shutdown(struct usb_hcd
*hcd
)
362 ahcd
= hcd_to_admhcd(hcd
);
363 admhc_intr_disable(ahcd
, ADMHC_INTR_MIE
);
364 admhc_dma_disable(ahcd
);
365 admhc_usb_reset(ahcd
);
368 /*-------------------------------------------------------------------------*
370 *-------------------------------------------------------------------------*/
372 static void admhc_eds_cleanup(struct admhcd
*ahcd
)
374 if (ahcd
->ed_tails
[PIPE_INTERRUPT
]) {
375 ed_free(ahcd
, ahcd
->ed_tails
[PIPE_INTERRUPT
]);
376 ahcd
->ed_tails
[PIPE_INTERRUPT
] = NULL
;
379 if (ahcd
->ed_tails
[PIPE_ISOCHRONOUS
]) {
380 ed_free(ahcd
, ahcd
->ed_tails
[PIPE_ISOCHRONOUS
]);
381 ahcd
->ed_tails
[PIPE_ISOCHRONOUS
] = NULL
;
384 if (ahcd
->ed_tails
[PIPE_CONTROL
]) {
385 ed_free(ahcd
, ahcd
->ed_tails
[PIPE_CONTROL
]);
386 ahcd
->ed_tails
[PIPE_CONTROL
] = NULL
;
389 if (ahcd
->ed_tails
[PIPE_BULK
]) {
390 ed_free(ahcd
, ahcd
->ed_tails
[PIPE_BULK
]);
391 ahcd
->ed_tails
[PIPE_BULK
] = NULL
;
394 ahcd
->ed_head
= NULL
;
397 #define ED_DUMMY_INFO (ED_SPEED_FULL | ED_SKIP)
399 static int admhc_eds_init(struct admhcd
*ahcd
)
403 ed
= ed_create(ahcd
, PIPE_INTERRUPT
, ED_DUMMY_INFO
);
407 ahcd
->ed_tails
[PIPE_INTERRUPT
] = ed
;
409 ed
= ed_create(ahcd
, PIPE_ISOCHRONOUS
, ED_DUMMY_INFO
);
413 ahcd
->ed_tails
[PIPE_ISOCHRONOUS
] = ed
;
414 ed
->ed_prev
= ahcd
->ed_tails
[PIPE_INTERRUPT
];
415 ahcd
->ed_tails
[PIPE_INTERRUPT
]->ed_next
= ed
;
416 ahcd
->ed_tails
[PIPE_INTERRUPT
]->hwNextED
= cpu_to_hc32(ahcd
, ed
->dma
);
418 ed
= ed_create(ahcd
, PIPE_CONTROL
, ED_DUMMY_INFO
);
422 ahcd
->ed_tails
[PIPE_CONTROL
] = ed
;
423 ed
->ed_prev
= ahcd
->ed_tails
[PIPE_ISOCHRONOUS
];
424 ahcd
->ed_tails
[PIPE_ISOCHRONOUS
]->ed_next
= ed
;
425 ahcd
->ed_tails
[PIPE_ISOCHRONOUS
]->hwNextED
= cpu_to_hc32(ahcd
, ed
->dma
);
427 ed
= ed_create(ahcd
, PIPE_BULK
, ED_DUMMY_INFO
);
431 ahcd
->ed_tails
[PIPE_BULK
] = ed
;
432 ed
->ed_prev
= ahcd
->ed_tails
[PIPE_CONTROL
];
433 ahcd
->ed_tails
[PIPE_CONTROL
]->ed_next
= ed
;
434 ahcd
->ed_tails
[PIPE_CONTROL
]->hwNextED
= cpu_to_hc32(ahcd
, ed
->dma
);
436 ahcd
->ed_head
= ahcd
->ed_tails
[PIPE_INTERRUPT
];
438 #ifdef ADMHC_VERBOSE_DEBUG
439 admhc_dump_ed(ahcd
, "ed intr", ahcd
->ed_tails
[PIPE_INTERRUPT
], 1);
440 admhc_dump_ed(ahcd
, "ed isoc", ahcd
->ed_tails
[PIPE_ISOCHRONOUS
], 1);
441 admhc_dump_ed(ahcd
, "ed ctrl", ahcd
->ed_tails
[PIPE_CONTROL
], 1);
442 admhc_dump_ed(ahcd
, "ed bulk", ahcd
->ed_tails
[PIPE_BULK
], 1);
448 admhc_eds_cleanup(ahcd
);
452 /* init memory, and kick BIOS/SMM off */
454 static int admhc_init(struct admhcd
*ahcd
)
456 struct usb_hcd
*hcd
= admhcd_to_hcd(ahcd
);
460 ahcd
->regs
= hcd
->regs
;
462 /* Disable HC interrupts */
463 admhc_intr_disable(ahcd
, ADMHC_INTR_MIE
);
465 /* Read the number of ports unless overridden */
466 if (ahcd
->num_ports
== 0)
467 ahcd
->num_ports
= admhc_read_rhdesc(ahcd
) & ADMHC_RH_NUMP
;
469 ret
= admhc_mem_init(ahcd
);
473 /* init dummy endpoints */
474 ret
= admhc_eds_init(ahcd
);
478 create_debug_files(ahcd
);
487 /*-------------------------------------------------------------------------*/
489 /* Start an OHCI controller, set the BUS operational
490 * resets USB and controller
493 static int admhc_run(struct admhcd
*ahcd
)
496 int first
= ahcd
->fminterval
== 0;
497 struct usb_hcd
*hcd
= admhcd_to_hcd(ahcd
);
501 /* boot firmware should have set this up (5.1.1.3.1) */
503 temp
= admhc_readl(ahcd
, &ahcd
->regs
->fminterval
);
504 ahcd
->fminterval
= temp
& ADMHC_SFI_FI_MASK
;
505 if (ahcd
->fminterval
!= FI
)
506 admhc_dbg(ahcd
, "fminterval delta %d\n",
507 ahcd
->fminterval
- FI
);
509 (FSLDP(ahcd
->fminterval
) << ADMHC_SFI_FSLDP_SHIFT
);
510 /* also: power/overcurrent flags in rhdesc */
513 switch (ahcd
->host_control
& ADMHC_HC_BUSS
) {
514 case ADMHC_BUSS_OPER
:
517 case ADMHC_BUSS_SUSPEND
:
519 case ADMHC_BUSS_RESUME
:
520 ahcd
->host_control
= ADMHC_BUSS_RESUME
;
521 temp
= 10 /* msec wait */;
523 /* case ADMHC_BUSS_RESET: */
525 ahcd
->host_control
= ADMHC_BUSS_RESET
;
526 temp
= 50 /* msec wait */;
529 admhc_writel(ahcd
, ahcd
->host_control
, &ahcd
->regs
->host_control
);
532 temp
= admhc_read_rhdesc(ahcd
);
533 if (!(temp
& ADMHC_RH_NPS
)) {
534 /* power down each port */
535 for (temp
= 0; temp
< ahcd
->num_ports
; temp
++)
536 admhc_write_portstatus(ahcd
, temp
, ADMHC_PS_CPP
);
539 /* 2msec timelimit here means no irqs/preempt */
540 spin_lock_irq(&ahcd
->lock
);
542 admhc_writel(ahcd
, ADMHC_CTRL_SR
, &ahcd
->regs
->gencontrol
);
543 temp
= 30; /* ... allow extra time */
544 while ((admhc_readl(ahcd
, &ahcd
->regs
->gencontrol
) & ADMHC_CTRL_SR
) != 0) {
546 spin_unlock_irq(&ahcd
->lock
);
547 admhc_err(ahcd
, "USB HC reset timed out!\n");
553 /* enable HOST mode, before access any host specific register */
554 admhc_writel(ahcd
, ADMHC_CTRL_UHFE
, &ahcd
->regs
->gencontrol
);
556 /* Tell the controller where the descriptor list is */
557 admhc_writel(ahcd
, (u32
)ahcd
->ed_head
->dma
, &ahcd
->regs
->hosthead
);
559 periodic_reinit(ahcd
);
561 /* use rhsc irqs after khubd is fully initialized */
563 hcd
->uses_new_polling
= 1;
566 /* wake on ConnectStatusChange, matching external hubs */
567 admhc_writel(ahcd
, RH_HS_DRWE
, &ahcd
->regs
->roothub
.status
);
569 /* FIXME roothub_write_status (ahcd, ADMHC_RH_DRWE); */
572 /* Choose the interrupts we care about now, others later on demand */
573 admhc_intr_ack(ahcd
, ~0);
574 admhc_intr_enable(ahcd
, ADMHC_INTR_INIT
);
576 admhc_writel(ahcd
, ADMHC_RH_NPS
| ADMHC_RH_LPSC
, &ahcd
->regs
->rhdesc
);
578 /* start controller operations */
579 ahcd
->host_control
= ADMHC_BUSS_OPER
;
580 admhc_writel(ahcd
, ahcd
->host_control
, &ahcd
->regs
->host_control
);
583 while ((admhc_readl(ahcd
, &ahcd
->regs
->host_control
)
584 & ADMHC_HC_BUSS
) != ADMHC_BUSS_OPER
) {
586 spin_unlock_irq(&ahcd
->lock
);
587 admhc_err(ahcd
, "unable to setup operational mode!\n");
593 hcd
->state
= HC_STATE_RUNNING
;
594 ahcd
->next_statechange
= jiffies
+ STATECHANGE_DELAY
;
596 spin_unlock_irq(&ahcd
->lock
);
598 mdelay(ADMHC_POTPGT
);
603 /*-------------------------------------------------------------------------*/
605 /* an interrupt happens */
607 static irqreturn_t
admhc_irq(struct usb_hcd
*hcd
)
609 struct admhcd
*ahcd
= hcd_to_admhcd(hcd
);
610 struct admhcd_regs __iomem
*regs
= ahcd
->regs
;
613 ints
= admhc_readl(ahcd
, ®s
->int_status
);
614 if (!(ints
& ADMHC_INTR_INTA
))
615 /* no unmasked interrupt status is set */
618 ints
&= admhc_readl(ahcd
, ®s
->int_enable
);
622 if (ints
& ADMHC_INTR_FATI
) {
624 admhc_err(ahcd
, "Fatal Error, controller disabled\n");
625 admhc_usb_reset(ahcd
);
628 if (ints
& ADMHC_INTR_BABI
) {
630 admhc_err(ahcd
, "Babble Detected\n");
631 admhc_usb_reset(ahcd
);
634 if (ints
& ADMHC_INTR_INSM
) {
635 admhc_vdbg(ahcd
, "Root Hub Status Change\n");
636 ahcd
->next_statechange
= jiffies
+ STATECHANGE_DELAY
;
637 admhc_intr_ack(ahcd
, ADMHC_INTR_RESI
| ADMHC_INTR_INSM
);
639 /* NOTE: Vendors didn't always make the same implementation
640 * choices for RHSC. Many followed the spec; RHSC triggers
641 * on an edge, like setting and maybe clearing a port status
642 * change bit. With others it's level-triggered, active
643 * until khubd clears all the port status change bits. We'll
644 * always disable it here and rely on polling until khubd
647 admhc_intr_disable(ahcd
, ADMHC_INTR_INSM
);
648 usb_hcd_poll_rh_status(hcd
);
649 } else if (ints
& ADMHC_INTR_RESI
) {
650 /* For connect and disconnect events, we expect the controller
651 * to turn on RHSC along with RD. But for remote wakeup events
652 * this might not happen.
654 admhc_vdbg(ahcd
, "Resume Detect\n");
655 admhc_intr_ack(ahcd
, ADMHC_INTR_RESI
);
657 if (ahcd
->autostop
) {
658 admhc_rh_resume(ahcd
);
660 usb_hcd_resume_root_hub(hcd
);
663 if (ints
& ADMHC_INTR_TDC
) {
664 admhc_intr_ack(ahcd
, ADMHC_INTR_TDC
);
665 if (HC_IS_RUNNING(hcd
->state
))
666 admhc_intr_disable(ahcd
, ADMHC_INTR_TDC
);
667 admhc_vdbg(ahcd
, "Transfer Descriptor Complete\n");
668 spin_lock(&ahcd
->lock
);
669 admhc_td_complete(ahcd
);
670 spin_unlock(&ahcd
->lock
);
671 if (HC_IS_RUNNING(hcd
->state
))
672 admhc_intr_enable(ahcd
, ADMHC_INTR_TDC
);
675 if (ints
& ADMHC_INTR_SO
) {
676 /* could track INTR_SO to reduce available PCI/... bandwidth */
677 admhc_vdbg(ahcd
, "Schedule Overrun\n");
680 if (ints
& ADMHC_INTR_SOFI
) {
681 admhc_intr_ack(ahcd
, ADMHC_INTR_SOFI
);
682 spin_lock(&ahcd
->lock
);
683 /* handle any pending ED removes */
684 admhc_finish_unlinks(ahcd
, admhc_frame_no(ahcd
));
685 admhc_sof_refill(ahcd
);
686 spin_unlock(&ahcd
->lock
);
689 if (HC_IS_RUNNING(hcd
->state
)) {
690 admhc_intr_ack(ahcd
, ints
);
691 admhc_intr_enable(ahcd
, ADMHC_INTR_MIE
);
697 /*-------------------------------------------------------------------------*/
699 static void admhc_stop(struct usb_hcd
*hcd
)
701 struct admhcd
*ahcd
= hcd_to_admhcd(hcd
);
705 flush_scheduled_work();
707 admhc_usb_reset(ahcd
);
708 admhc_intr_disable(ahcd
, ~0);
710 free_irq(hcd
->irq
, hcd
);
713 remove_debug_files(ahcd
);
714 admhc_eds_cleanup(ahcd
);
715 admhc_mem_cleanup(ahcd
);
718 /*-------------------------------------------------------------------------*/
720 #ifdef CONFIG_MIPS_ADM5120
721 #include "adm5120-drv.c"
722 #define PLATFORM_DRIVER usb_hcd_adm5120_driver
725 #if !defined(PLATFORM_DRIVER)
726 #error "missing bus glue for admhc-hcd"
729 #define DRIVER_INFO DRIVER_DESC " " DRIVER_VERSION
731 static int __init
admhc_hcd_mod_init(void)
738 pr_info("%s: " DRIVER_INFO
"\n", hcd_name
);
739 pr_info("%s: block sizes: ed %Zd td %Zd\n", hcd_name
,
740 sizeof (struct ed
), sizeof (struct td
));
742 #ifdef PLATFORM_DRIVER
743 ret
= platform_driver_register(&PLATFORM_DRIVER
);
750 #ifdef PLATFORM_DRIVER
751 platform_driver_unregister(&PLATFORM_DRIVER
);
756 module_init(admhc_hcd_mod_init
);
758 static void __exit
admhc_hcd_mod_exit(void)
760 platform_driver_unregister(&PLATFORM_DRIVER
);
762 module_exit(admhc_hcd_mod_exit
);
764 MODULE_AUTHOR(DRIVER_AUTHOR
);
765 MODULE_DESCRIPTION(DRIVER_INFO
);
766 MODULE_LICENSE("GPL");
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