2 * R8A66597 HCD (Host Controller Driver)
4 * Copyright (C) 2006-2007 Renesas Solutions Corp.
5 * Portions Copyright (C) 2004 Psion Teklogix (for NetBook PRO)
6 * Portions Copyright (C) 2004-2005 David Brownell
7 * Portions Copyright (C) 1999 Roman Weissgaerber
9 * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; version 2 of the License.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26 #include <linux/module.h>
27 #include <linux/kernel.h>
28 #include <linux/sched.h>
29 #include <linux/smp_lock.h>
30 #include <linux/errno.h>
31 #include <linux/init.h>
32 #include <linux/timer.h>
33 #include <linux/delay.h>
34 #include <linux/list.h>
35 #include <linux/interrupt.h>
36 #include <linux/usb.h>
37 #include <linux/platform_device.h>
39 #include <linux/irq.h>
41 #include "../core/hcd.h"
44 MODULE_DESCRIPTION("R8A66597 USB Host Controller Driver");
45 MODULE_LICENSE("GPL");
46 MODULE_AUTHOR("Yoshihiro Shimoda");
48 #define DRIVER_VERSION "29 May 2007"
50 static const char hcd_name
[] = "r8a66597_hcd";
52 /* module parameters */
53 static unsigned short clock
= XTAL12
;
54 module_param(clock
, ushort
, 0644);
55 MODULE_PARM_DESC(clock
, "input clock: 48MHz=32768, 24MHz=16384, 12MHz=0 "
58 static unsigned short vif
= LDRV
;
59 module_param(vif
, ushort
, 0644);
60 MODULE_PARM_DESC(vif
, "input VIF: 3.3V=32768, 1.5V=0(default=32768)");
62 static unsigned short endian
;
63 module_param(endian
, ushort
, 0644);
64 MODULE_PARM_DESC(endian
, "data endian: big=256, little=0 (default=0)");
66 static unsigned short irq_sense
= INTL
;
67 module_param(irq_sense
, ushort
, 0644);
68 MODULE_PARM_DESC(irq_sense
, "IRQ sense: low level=32, falling edge=0 "
71 static void packet_write(struct r8a66597
*r8a66597
, u16 pipenum
);
72 static int r8a66597_get_frame(struct usb_hcd
*hcd
);
74 /* this function must be called with interrupt disabled */
75 static void enable_pipe_irq(struct r8a66597
*r8a66597
, u16 pipenum
,
80 tmp
= r8a66597_read(r8a66597
, INTENB0
);
81 r8a66597_bclr(r8a66597
, BEMPE
| NRDYE
| BRDYE
, INTENB0
);
82 r8a66597_bset(r8a66597
, 1 << pipenum
, reg
);
83 r8a66597_write(r8a66597
, tmp
, INTENB0
);
86 /* this function must be called with interrupt disabled */
87 static void disable_pipe_irq(struct r8a66597
*r8a66597
, u16 pipenum
,
92 tmp
= r8a66597_read(r8a66597
, INTENB0
);
93 r8a66597_bclr(r8a66597
, BEMPE
| NRDYE
| BRDYE
, INTENB0
);
94 r8a66597_bclr(r8a66597
, 1 << pipenum
, reg
);
95 r8a66597_write(r8a66597
, tmp
, INTENB0
);
98 static void set_devadd_reg(struct r8a66597
*r8a66597
, u8 r8a66597_address
,
99 u16 usbspd
, u8 upphub
, u8 hubport
, int port
)
102 unsigned long devadd_reg
= get_devadd_addr(r8a66597_address
);
104 val
= (upphub
<< 11) | (hubport
<< 8) | (usbspd
<< 6) | (port
& 0x0001);
105 r8a66597_write(r8a66597
, val
, devadd_reg
);
108 static int enable_controller(struct r8a66597
*r8a66597
)
114 r8a66597_write(r8a66597
, USBE
, SYSCFG0
);
115 tmp
= r8a66597_read(r8a66597
, SYSCFG0
);
117 err("register access fail.");
120 } while ((tmp
& USBE
) != USBE
);
121 r8a66597_bclr(r8a66597
, USBE
, SYSCFG0
);
122 r8a66597_mdfy(r8a66597
, clock
, XTAL
, SYSCFG0
);
125 r8a66597_bset(r8a66597
, XCKE
, SYSCFG0
);
128 tmp
= r8a66597_read(r8a66597
, SYSCFG0
);
130 err("register access fail.");
133 } while ((tmp
& SCKE
) != SCKE
);
135 r8a66597_bset(r8a66597
, DCFM
| DRPD
, SYSCFG0
);
136 r8a66597_bset(r8a66597
, DRPD
, SYSCFG1
);
138 r8a66597_bset(r8a66597
, vif
& LDRV
, PINCFG
);
139 r8a66597_bset(r8a66597
, HSE
, SYSCFG0
);
140 r8a66597_bset(r8a66597
, HSE
, SYSCFG1
);
141 r8a66597_bset(r8a66597
, USBE
, SYSCFG0
);
143 r8a66597_bset(r8a66597
, BEMPE
| NRDYE
| BRDYE
, INTENB0
);
144 r8a66597_bset(r8a66597
, irq_sense
& INTL
, SOFCFG
);
145 r8a66597_bset(r8a66597
, BRDY0
, BRDYENB
);
146 r8a66597_bset(r8a66597
, BEMP0
, BEMPENB
);
148 r8a66597_write(r8a66597
, BURST
| CPU_ADR_RD_WR
, DMA0CFG
);
149 r8a66597_write(r8a66597
, BURST
| CPU_ADR_RD_WR
, DMA1CFG
);
151 r8a66597_bset(r8a66597
, endian
& BIGEND
, CFIFOSEL
);
152 r8a66597_bset(r8a66597
, endian
& BIGEND
, D0FIFOSEL
);
153 r8a66597_bset(r8a66597
, endian
& BIGEND
, D1FIFOSEL
);
155 r8a66597_bset(r8a66597
, TRNENSEL
, SOFCFG
);
157 r8a66597_bset(r8a66597
, SIGNE
| SACKE
, INTENB1
);
158 r8a66597_bclr(r8a66597
, DTCHE
, INTENB1
);
159 r8a66597_bset(r8a66597
, ATTCHE
, INTENB1
);
160 r8a66597_bclr(r8a66597
, DTCHE
, INTENB2
);
161 r8a66597_bset(r8a66597
, ATTCHE
, INTENB2
);
166 static void disable_controller(struct r8a66597
*r8a66597
)
170 r8a66597_write(r8a66597
, 0, INTENB0
);
171 r8a66597_write(r8a66597
, 0, INTENB1
);
172 r8a66597_write(r8a66597
, 0, INTENB2
);
173 r8a66597_write(r8a66597
, 0, INTSTS0
);
174 r8a66597_write(r8a66597
, 0, INTSTS1
);
175 r8a66597_write(r8a66597
, 0, INTSTS2
);
177 r8a66597_port_power(r8a66597
, 0, 0);
178 r8a66597_port_power(r8a66597
, 1, 0);
181 tmp
= r8a66597_read(r8a66597
, SOFCFG
) & EDGESTS
;
183 } while (tmp
== EDGESTS
);
185 r8a66597_bclr(r8a66597
, DCFM
| DRPD
, SYSCFG0
);
186 r8a66597_bclr(r8a66597
, DRPD
, SYSCFG1
);
187 r8a66597_bclr(r8a66597
, HSE
, SYSCFG0
);
188 r8a66597_bclr(r8a66597
, HSE
, SYSCFG1
);
190 r8a66597_bclr(r8a66597
, SCKE
, SYSCFG0
);
192 r8a66597_bclr(r8a66597
, PLLC
, SYSCFG0
);
193 r8a66597_bclr(r8a66597
, XCKE
, SYSCFG0
);
194 r8a66597_bclr(r8a66597
, USBE
, SYSCFG0
);
197 static int get_parent_r8a66597_address(struct r8a66597
*r8a66597
,
198 struct usb_device
*udev
)
200 struct r8a66597_device
*dev
;
202 if (udev
->parent
&& udev
->parent
->devnum
!= 1)
205 dev
= dev_get_drvdata(&udev
->dev
);
212 static int is_child_device(char *devpath
)
214 return (devpath
[2] ? 1 : 0);
217 static int is_hub_limit(char *devpath
)
219 return ((strlen(devpath
) >= 4) ? 1 : 0);
222 static void get_port_number(char *devpath
, u16
*root_port
, u16
*hub_port
)
225 *root_port
= (devpath
[0] & 0x0F) - 1;
226 if (*root_port
>= R8A66597_MAX_ROOT_HUB
)
227 err("illegal root port number");
230 *hub_port
= devpath
[2] & 0x0F;
233 static u16
get_r8a66597_usb_speed(enum usb_device_speed speed
)
248 err("unknown speed");
255 static void set_child_connect_map(struct r8a66597
*r8a66597
, int address
)
260 r8a66597
->child_connect_map
[idx
] |= 1 << (address
% 32);
263 static void put_child_connect_map(struct r8a66597
*r8a66597
, int address
)
268 r8a66597
->child_connect_map
[idx
] &= ~(1 << (address
% 32));
271 static void set_pipe_reg_addr(struct r8a66597_pipe
*pipe
, u8 dma_ch
)
273 u16 pipenum
= pipe
->info
.pipenum
;
274 unsigned long fifoaddr
[] = {D0FIFO
, D1FIFO
, CFIFO
};
275 unsigned long fifosel
[] = {D0FIFOSEL
, D1FIFOSEL
, CFIFOSEL
};
276 unsigned long fifoctr
[] = {D0FIFOCTR
, D1FIFOCTR
, CFIFOCTR
};
278 if (dma_ch
> R8A66597_PIPE_NO_DMA
) /* dma fifo not use? */
279 dma_ch
= R8A66597_PIPE_NO_DMA
;
281 pipe
->fifoaddr
= fifoaddr
[dma_ch
];
282 pipe
->fifosel
= fifosel
[dma_ch
];
283 pipe
->fifoctr
= fifoctr
[dma_ch
];
286 pipe
->pipectr
= DCPCTR
;
288 pipe
->pipectr
= get_pipectr_addr(pipenum
);
290 if (check_bulk_or_isoc(pipenum
)) {
291 pipe
->pipetre
= get_pipetre_addr(pipenum
);
292 pipe
->pipetrn
= get_pipetrn_addr(pipenum
);
299 static struct r8a66597_device
*
300 get_urb_to_r8a66597_dev(struct r8a66597
*r8a66597
, struct urb
*urb
)
302 if (usb_pipedevice(urb
->pipe
) == 0)
303 return &r8a66597
->device0
;
305 return dev_get_drvdata(&urb
->dev
->dev
);
308 static int make_r8a66597_device(struct r8a66597
*r8a66597
,
309 struct urb
*urb
, u8 addr
)
311 struct r8a66597_device
*dev
;
312 int usb_address
= urb
->setup_packet
[2]; /* urb->pipe is address 0 */
314 dev
= kzalloc(sizeof(struct r8a66597_device
), GFP_ATOMIC
);
318 dev_set_drvdata(&urb
->dev
->dev
, dev
);
319 dev
->udev
= urb
->dev
;
321 dev
->usb_address
= usb_address
;
322 dev
->state
= USB_STATE_ADDRESS
;
323 dev
->ep_in_toggle
= 0;
324 dev
->ep_out_toggle
= 0;
325 INIT_LIST_HEAD(&dev
->device_list
);
326 list_add_tail(&dev
->device_list
, &r8a66597
->child_device
);
328 get_port_number(urb
->dev
->devpath
, &dev
->root_port
, &dev
->hub_port
);
329 if (!is_child_device(urb
->dev
->devpath
))
330 r8a66597
->root_hub
[dev
->root_port
].dev
= dev
;
332 set_devadd_reg(r8a66597
, dev
->address
,
333 get_r8a66597_usb_speed(urb
->dev
->speed
),
334 get_parent_r8a66597_address(r8a66597
, urb
->dev
),
335 dev
->hub_port
, dev
->root_port
);
340 /* this function must be called with interrupt disabled */
341 static u8
alloc_usb_address(struct r8a66597
*r8a66597
, struct urb
*urb
)
343 u8 addr
; /* R8A66597's address */
344 struct r8a66597_device
*dev
;
346 if (is_hub_limit(urb
->dev
->devpath
)) {
347 err("Externel hub limit reached.");
351 dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
352 if (dev
&& dev
->state
>= USB_STATE_ADDRESS
)
355 for (addr
= 1; addr
<= R8A66597_MAX_DEVICE
; addr
++) {
356 if (r8a66597
->address_map
& (1 << addr
))
359 dbg("alloc_address: r8a66597_addr=%d", addr
);
360 r8a66597
->address_map
|= 1 << addr
;
362 if (make_r8a66597_device(r8a66597
, urb
, addr
) < 0)
368 err("cannot communicate with a USB device more than 10.(%x)",
369 r8a66597
->address_map
);
374 /* this function must be called with interrupt disabled */
375 static void free_usb_address(struct r8a66597
*r8a66597
,
376 struct r8a66597_device
*dev
)
383 dbg("free_addr: addr=%d", dev
->address
);
385 dev
->state
= USB_STATE_DEFAULT
;
386 r8a66597
->address_map
&= ~(1 << dev
->address
);
388 dev_set_drvdata(&dev
->udev
->dev
, NULL
);
389 list_del(&dev
->device_list
);
392 for (port
= 0; port
< R8A66597_MAX_ROOT_HUB
; port
++) {
393 if (r8a66597
->root_hub
[port
].dev
== dev
) {
394 r8a66597
->root_hub
[port
].dev
= NULL
;
400 static void r8a66597_reg_wait(struct r8a66597
*r8a66597
, unsigned long reg
,
407 tmp
= r8a66597_read(r8a66597
, reg
);
409 err("register%lx, loop %x is timeout", reg
, loop
);
413 } while ((tmp
& mask
) != loop
);
416 /* this function must be called with interrupt disabled */
417 static void pipe_start(struct r8a66597
*r8a66597
, struct r8a66597_pipe
*pipe
)
421 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
) & PID
;
422 if ((pipe
->info
.pipenum
!= 0) & ((tmp
& PID_STALL
) != 0)) /* stall? */
423 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
, pipe
->pipectr
);
424 r8a66597_mdfy(r8a66597
, PID_BUF
, PID
, pipe
->pipectr
);
427 /* this function must be called with interrupt disabled */
428 static void pipe_stop(struct r8a66597
*r8a66597
, struct r8a66597_pipe
*pipe
)
432 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
) & PID
;
433 if ((tmp
& PID_STALL11
) != PID_STALL11
) /* force stall? */
434 r8a66597_mdfy(r8a66597
, PID_STALL
, PID
, pipe
->pipectr
);
435 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
, pipe
->pipectr
);
436 r8a66597_reg_wait(r8a66597
, pipe
->pipectr
, PBUSY
, 0);
439 /* this function must be called with interrupt disabled */
440 static void clear_all_buffer(struct r8a66597
*r8a66597
,
441 struct r8a66597_pipe
*pipe
)
445 if (!pipe
|| pipe
->info
.pipenum
== 0)
448 pipe_stop(r8a66597
, pipe
);
449 r8a66597_bset(r8a66597
, ACLRM
, pipe
->pipectr
);
450 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
);
451 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
);
452 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
);
453 r8a66597_bclr(r8a66597
, ACLRM
, pipe
->pipectr
);
456 /* this function must be called with interrupt disabled */
457 static void r8a66597_pipe_toggle(struct r8a66597
*r8a66597
,
458 struct r8a66597_pipe
*pipe
, int toggle
)
461 r8a66597_bset(r8a66597
, SQSET
, pipe
->pipectr
);
463 r8a66597_bset(r8a66597
, SQCLR
, pipe
->pipectr
);
466 /* this function must be called with interrupt disabled */
467 static inline void cfifo_change(struct r8a66597
*r8a66597
, u16 pipenum
)
469 r8a66597_mdfy(r8a66597
, MBW
| pipenum
, MBW
| CURPIPE
, CFIFOSEL
);
470 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, pipenum
);
473 /* this function must be called with interrupt disabled */
474 static inline void fifo_change_from_pipe(struct r8a66597
*r8a66597
,
475 struct r8a66597_pipe
*pipe
)
477 cfifo_change(r8a66597
, 0);
478 r8a66597_mdfy(r8a66597
, MBW
| 0, MBW
| CURPIPE
, D0FIFOSEL
);
479 r8a66597_mdfy(r8a66597
, MBW
| 0, MBW
| CURPIPE
, D1FIFOSEL
);
481 r8a66597_mdfy(r8a66597
, MBW
| pipe
->info
.pipenum
, MBW
| CURPIPE
,
483 r8a66597_reg_wait(r8a66597
, pipe
->fifosel
, CURPIPE
, pipe
->info
.pipenum
);
486 static u16
r8a66597_get_pipenum(struct urb
*urb
, struct usb_host_endpoint
*hep
)
488 struct r8a66597_pipe
*pipe
= hep
->hcpriv
;
490 if (usb_pipeendpoint(urb
->pipe
) == 0)
493 return pipe
->info
.pipenum
;
496 static u16
get_urb_to_r8a66597_addr(struct r8a66597
*r8a66597
, struct urb
*urb
)
498 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
500 return (usb_pipedevice(urb
->pipe
) == 0) ? 0 : dev
->address
;
503 static unsigned short *get_toggle_pointer(struct r8a66597_device
*dev
,
509 return usb_pipein(urb_pipe
) ? &dev
->ep_in_toggle
: &dev
->ep_out_toggle
;
512 /* this function must be called with interrupt disabled */
513 static void pipe_toggle_set(struct r8a66597
*r8a66597
,
514 struct r8a66597_pipe
*pipe
,
515 struct urb
*urb
, int set
)
517 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
518 unsigned char endpoint
= usb_pipeendpoint(urb
->pipe
);
519 unsigned short *toggle
= get_toggle_pointer(dev
, urb
->pipe
);
525 *toggle
|= 1 << endpoint
;
527 *toggle
&= ~(1 << endpoint
);
530 /* this function must be called with interrupt disabled */
531 static void pipe_toggle_save(struct r8a66597
*r8a66597
,
532 struct r8a66597_pipe
*pipe
,
535 if (r8a66597_read(r8a66597
, pipe
->pipectr
) & SQMON
)
536 pipe_toggle_set(r8a66597
, pipe
, urb
, 1);
538 pipe_toggle_set(r8a66597
, pipe
, urb
, 0);
541 /* this function must be called with interrupt disabled */
542 static void pipe_toggle_restore(struct r8a66597
*r8a66597
,
543 struct r8a66597_pipe
*pipe
,
546 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
547 unsigned char endpoint
= usb_pipeendpoint(urb
->pipe
);
548 unsigned short *toggle
= get_toggle_pointer(dev
, urb
->pipe
);
553 r8a66597_pipe_toggle(r8a66597
, pipe
, *toggle
& (1 << endpoint
));
556 /* this function must be called with interrupt disabled */
557 static void pipe_buffer_setting(struct r8a66597
*r8a66597
,
558 struct r8a66597_pipe_info
*info
)
562 if (info
->pipenum
== 0)
565 r8a66597_bset(r8a66597
, ACLRM
, get_pipectr_addr(info
->pipenum
));
566 r8a66597_bclr(r8a66597
, ACLRM
, get_pipectr_addr(info
->pipenum
));
567 r8a66597_write(r8a66597
, info
->pipenum
, PIPESEL
);
570 if (info
->type
== R8A66597_BULK
&& info
->dir_in
)
571 val
|= R8A66597_DBLB
| R8A66597_SHTNAK
;
572 val
|= info
->type
| info
->epnum
;
573 r8a66597_write(r8a66597
, val
, PIPECFG
);
575 r8a66597_write(r8a66597
, (info
->buf_bsize
<< 10) | (info
->bufnum
),
577 r8a66597_write(r8a66597
, make_devsel(info
->address
) | info
->maxpacket
,
581 r8a66597_write(r8a66597
, info
->interval
, PIPEPERI
);
586 /* this function must be called with interrupt disabled */
587 static void pipe_setting(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
589 struct r8a66597_pipe_info
*info
;
590 struct urb
*urb
= td
->urb
;
592 if (td
->pipenum
> 0) {
593 info
= &td
->pipe
->info
;
594 cfifo_change(r8a66597
, 0);
595 pipe_buffer_setting(r8a66597
, info
);
597 if (!usb_gettoggle(urb
->dev
, usb_pipeendpoint(urb
->pipe
),
598 usb_pipeout(urb
->pipe
)) &&
599 !usb_pipecontrol(urb
->pipe
)) {
600 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 0);
601 pipe_toggle_set(r8a66597
, td
->pipe
, urb
, 0);
602 clear_all_buffer(r8a66597
, td
->pipe
);
603 usb_settoggle(urb
->dev
, usb_pipeendpoint(urb
->pipe
),
604 usb_pipeout(urb
->pipe
), 1);
606 pipe_toggle_restore(r8a66597
, td
->pipe
, urb
);
610 /* this function must be called with interrupt disabled */
611 static u16
get_empty_pipenum(struct r8a66597
*r8a66597
,
612 struct usb_endpoint_descriptor
*ep
)
614 u16 array
[R8A66597_MAX_NUM_PIPE
], i
= 0, min
;
616 memset(array
, 0, sizeof(array
));
617 switch (ep
->bmAttributes
& USB_ENDPOINT_XFERTYPE_MASK
) {
618 case USB_ENDPOINT_XFER_BULK
:
619 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
626 case USB_ENDPOINT_XFER_INT
:
627 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
) {
634 case USB_ENDPOINT_XFER_ISOC
:
635 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
647 while (array
[i
] != 0) {
648 if (r8a66597
->pipe_cnt
[min
] > r8a66597
->pipe_cnt
[array
[i
]])
656 static u16
get_r8a66597_type(__u8 type
)
661 case USB_ENDPOINT_XFER_BULK
:
662 r8a66597_type
= R8A66597_BULK
;
664 case USB_ENDPOINT_XFER_INT
:
665 r8a66597_type
= R8A66597_INT
;
667 case USB_ENDPOINT_XFER_ISOC
:
668 r8a66597_type
= R8A66597_ISO
;
672 r8a66597_type
= 0x0000;
676 return r8a66597_type
;
679 static u16
get_bufnum(u16 pipenum
)
685 else if (check_bulk_or_isoc(pipenum
))
686 bufnum
= 8 + (pipenum
- 1) * R8A66597_BUF_BSIZE
*2;
687 else if (check_interrupt(pipenum
))
688 bufnum
= 4 + (pipenum
- 6);
690 err("Illegal pipenum (%d)", pipenum
);
695 static u16
get_buf_bsize(u16 pipenum
)
701 else if (check_bulk_or_isoc(pipenum
))
702 buf_bsize
= R8A66597_BUF_BSIZE
- 1;
703 else if (check_interrupt(pipenum
))
706 err("Illegal pipenum (%d)", pipenum
);
711 /* this function must be called with interrupt disabled */
712 static void enable_r8a66597_pipe_dma(struct r8a66597
*r8a66597
,
713 struct r8a66597_device
*dev
,
714 struct r8a66597_pipe
*pipe
,
718 struct r8a66597_pipe_info
*info
= &pipe
->info
;
720 if ((pipe
->info
.pipenum
!= 0) && (info
->type
!= R8A66597_INT
)) {
721 for (i
= 0; i
< R8A66597_MAX_DMA_CHANNEL
; i
++) {
722 if ((r8a66597
->dma_map
& (1 << i
)) != 0)
725 info("address %d, EndpointAddress 0x%02x use DMA FIFO",
726 usb_pipedevice(urb
->pipe
),
727 info
->dir_in
? USB_ENDPOINT_DIR_MASK
+ info
->epnum
730 r8a66597
->dma_map
|= 1 << i
;
731 dev
->dma_map
|= 1 << i
;
732 set_pipe_reg_addr(pipe
, i
);
734 cfifo_change(r8a66597
, 0);
735 r8a66597_mdfy(r8a66597
, MBW
| pipe
->info
.pipenum
,
736 MBW
| CURPIPE
, pipe
->fifosel
);
738 r8a66597_reg_wait(r8a66597
, pipe
->fifosel
, CURPIPE
,
740 r8a66597_bset(r8a66597
, BCLR
, pipe
->fifoctr
);
746 /* this function must be called with interrupt disabled */
747 static void enable_r8a66597_pipe(struct r8a66597
*r8a66597
, struct urb
*urb
,
748 struct usb_host_endpoint
*hep
,
749 struct r8a66597_pipe_info
*info
)
751 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
752 struct r8a66597_pipe
*pipe
= hep
->hcpriv
;
757 set_pipe_reg_addr(pipe
, R8A66597_PIPE_NO_DMA
);
758 r8a66597
->pipe_cnt
[pipe
->info
.pipenum
]++;
759 dev
->pipe_cnt
[pipe
->info
.pipenum
]++;
761 enable_r8a66597_pipe_dma(r8a66597
, dev
, pipe
, urb
);
764 /* this function must be called with interrupt disabled */
765 static void force_dequeue(struct r8a66597
*r8a66597
, u16 pipenum
, u16 address
)
767 struct r8a66597_td
*td
, *next
;
769 struct list_head
*list
= &r8a66597
->pipe_queue
[pipenum
];
771 if (list_empty(list
))
774 list_for_each_entry_safe(td
, next
, list
, queue
) {
777 if (td
->address
!= address
)
781 list_del(&td
->queue
);
785 urb
->status
= -ENODEV
;
787 usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597
),
790 spin_unlock(&r8a66597
->lock
);
791 usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597
), urb
);
792 spin_lock(&r8a66597
->lock
);
798 /* this function must be called with interrupt disabled */
799 static void disable_r8a66597_pipe_all(struct r8a66597
*r8a66597
,
800 struct r8a66597_device
*dev
)
808 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
809 if (!dev
->pipe_cnt
[pipenum
])
814 force_dequeue(r8a66597
, 0, dev
->address
);
817 r8a66597
->pipe_cnt
[pipenum
] -= dev
->pipe_cnt
[pipenum
];
818 dev
->pipe_cnt
[pipenum
] = 0;
819 force_dequeue(r8a66597
, pipenum
, dev
->address
);
824 r8a66597
->dma_map
&= ~(dev
->dma_map
);
828 /* this function must be called with interrupt disabled */
829 static void init_pipe_info(struct r8a66597
*r8a66597
, struct urb
*urb
,
830 struct usb_host_endpoint
*hep
,
831 struct usb_endpoint_descriptor
*ep
)
833 struct r8a66597_pipe_info info
;
835 info
.pipenum
= get_empty_pipenum(r8a66597
, ep
);
836 info
.address
= get_urb_to_r8a66597_addr(r8a66597
, urb
);
837 info
.epnum
= ep
->bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK
;
838 info
.maxpacket
= ep
->wMaxPacketSize
;
839 info
.type
= get_r8a66597_type(ep
->bmAttributes
840 & USB_ENDPOINT_XFERTYPE_MASK
);
841 info
.bufnum
= get_bufnum(info
.pipenum
);
842 info
.buf_bsize
= get_buf_bsize(info
.pipenum
);
843 info
.interval
= ep
->bInterval
;
844 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
849 enable_r8a66597_pipe(r8a66597
, urb
, hep
, &info
);
852 static void init_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
854 struct r8a66597_device
*dev
;
856 dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
857 dev
->state
= USB_STATE_CONFIGURED
;
860 static void pipe_irq_enable(struct r8a66597
*r8a66597
, struct urb
*urb
,
863 if (pipenum
== 0 && usb_pipeout(urb
->pipe
))
864 enable_irq_empty(r8a66597
, pipenum
);
866 enable_irq_ready(r8a66597
, pipenum
);
868 if (!usb_pipeisoc(urb
->pipe
))
869 enable_irq_nrdy(r8a66597
, pipenum
);
872 static void pipe_irq_disable(struct r8a66597
*r8a66597
, u16 pipenum
)
874 disable_irq_ready(r8a66597
, pipenum
);
875 disable_irq_nrdy(r8a66597
, pipenum
);
878 /* this function must be called with interrupt disabled */
879 static void r8a66597_usb_preconnect(struct r8a66597
*r8a66597
, int port
)
881 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_CONNECTION
)
882 | (1 << USB_PORT_FEAT_C_CONNECTION
);
883 r8a66597_write(r8a66597
, ~DTCH
, get_intsts_reg(port
));
884 r8a66597_bset(r8a66597
, DTCHE
, get_intenb_reg(port
));
887 /* this function must be called with interrupt disabled */
888 static void r8a66597_usb_connect(struct r8a66597
*r8a66597
, int port
)
890 u16 speed
= get_rh_usb_speed(r8a66597
, port
);
891 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
894 rh
->port
|= (1 << USB_PORT_FEAT_HIGHSPEED
);
895 else if (speed
== LSMODE
)
896 rh
->port
|= (1 << USB_PORT_FEAT_LOWSPEED
);
898 rh
->port
&= ~(1 << USB_PORT_FEAT_RESET
);
899 rh
->port
|= 1 << USB_PORT_FEAT_ENABLE
;
902 /* this function must be called with interrupt disabled */
903 static void r8a66597_usb_disconnect(struct r8a66597
*r8a66597
, int port
)
905 struct r8a66597_device
*dev
= r8a66597
->root_hub
[port
].dev
;
907 r8a66597
->root_hub
[port
].port
&= ~(1 << USB_PORT_FEAT_CONNECTION
);
908 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_C_CONNECTION
);
910 disable_r8a66597_pipe_all(r8a66597
, dev
);
911 free_usb_address(r8a66597
, dev
);
913 r8a66597_bset(r8a66597
, ATTCHE
, get_intenb_reg(port
));
916 /* this function must be called with interrupt disabled */
917 static void prepare_setup_packet(struct r8a66597
*r8a66597
,
918 struct r8a66597_td
*td
)
921 u16
*p
= (u16
*)td
->urb
->setup_packet
;
922 unsigned long setup_addr
= USBREQ
;
924 r8a66597_write(r8a66597
, make_devsel(td
->address
) | td
->maxpacket
,
926 r8a66597_write(r8a66597
, ~(SIGN
| SACK
), INTSTS1
);
928 for (i
= 0; i
< 4; i
++) {
929 r8a66597_write(r8a66597
, p
[i
], setup_addr
);
932 r8a66597_write(r8a66597
, SUREQ
, DCPCTR
);
935 /* this function must be called with interrupt disabled */
936 static void prepare_packet_read(struct r8a66597
*r8a66597
,
937 struct r8a66597_td
*td
)
939 struct urb
*urb
= td
->urb
;
941 if (usb_pipecontrol(urb
->pipe
)) {
942 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
943 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
944 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
945 if (urb
->actual_length
== 0) {
946 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
947 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
949 pipe_irq_disable(r8a66597
, td
->pipenum
);
950 pipe_start(r8a66597
, td
->pipe
);
951 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
953 if (urb
->actual_length
== 0) {
954 pipe_irq_disable(r8a66597
, td
->pipenum
);
955 pipe_setting(r8a66597
, td
);
956 pipe_stop(r8a66597
, td
->pipe
);
957 r8a66597_write(r8a66597
, ~(1 << td
->pipenum
), BRDYSTS
);
959 if (td
->pipe
->pipetre
) {
960 r8a66597_write(r8a66597
, TRCLR
,
962 r8a66597_write(r8a66597
,
963 (urb
->transfer_buffer_length
967 r8a66597_bset(r8a66597
, TRENB
,
971 pipe_start(r8a66597
, td
->pipe
);
972 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
977 /* this function must be called with interrupt disabled */
978 static void prepare_packet_write(struct r8a66597
*r8a66597
,
979 struct r8a66597_td
*td
)
982 struct urb
*urb
= td
->urb
;
984 if (usb_pipecontrol(urb
->pipe
)) {
985 pipe_stop(r8a66597
, td
->pipe
);
986 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
987 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
988 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
989 if (urb
->actual_length
== 0) {
990 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
991 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
994 if (urb
->actual_length
== 0)
995 pipe_setting(r8a66597
, td
);
996 if (td
->pipe
->pipetre
)
997 r8a66597_bclr(r8a66597
, TRENB
, td
->pipe
->pipetre
);
999 r8a66597_write(r8a66597
, ~(1 << td
->pipenum
), BRDYSTS
);
1001 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1002 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1003 if (unlikely((tmp
& FRDY
) == 0))
1004 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
1006 packet_write(r8a66597
, td
->pipenum
);
1007 pipe_start(r8a66597
, td
->pipe
);
1010 /* this function must be called with interrupt disabled */
1011 static void prepare_status_packet(struct r8a66597
*r8a66597
,
1012 struct r8a66597_td
*td
)
1014 struct urb
*urb
= td
->urb
;
1016 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
1017 pipe_stop(r8a66597
, td
->pipe
);
1019 if (urb
->setup_packet
[0] & USB_ENDPOINT_DIR_MASK
) {
1020 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
1021 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
1022 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1023 r8a66597_write(r8a66597
, ~BEMP0
, BEMPSTS
);
1024 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
1025 r8a66597_write(r8a66597
, BVAL
, CFIFOCTR
);
1026 enable_irq_empty(r8a66597
, 0);
1028 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
1029 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
1030 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1031 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
1032 enable_irq_ready(r8a66597
, 0);
1034 enable_irq_nrdy(r8a66597
, 0);
1035 pipe_start(r8a66597
, td
->pipe
);
1038 /* this function must be called with interrupt disabled */
1039 static int start_transfer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1045 if (td
->urb
->setup_packet
[1] == USB_REQ_SET_ADDRESS
) {
1046 td
->set_address
= 1;
1047 td
->urb
->setup_packet
[2] = alloc_usb_address(r8a66597
,
1049 if (td
->urb
->setup_packet
[2] == 0)
1052 prepare_setup_packet(r8a66597
, td
);
1055 prepare_packet_read(r8a66597
, td
);
1058 prepare_packet_write(r8a66597
, td
);
1061 prepare_status_packet(r8a66597
, td
);
1064 err("invalid type.");
1071 static int check_transfer_finish(struct r8a66597_td
*td
, struct urb
*urb
)
1073 if (usb_pipeisoc(urb
->pipe
)) {
1074 if (urb
->number_of_packets
== td
->iso_cnt
)
1078 /* control or bulk or interrupt */
1079 if ((urb
->transfer_buffer_length
<= urb
->actual_length
) ||
1080 (td
->short_packet
) || (td
->zero_packet
))
1086 /* this function must be called with interrupt disabled */
1087 static void set_td_timer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1093 if (!list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]) &&
1094 !usb_pipecontrol(td
->urb
->pipe
) && usb_pipein(td
->urb
->pipe
)) {
1095 r8a66597
->timeout_map
|= 1 << td
->pipenum
;
1096 switch (usb_pipetype(td
->urb
->pipe
)) {
1097 case PIPE_INTERRUPT
:
1098 case PIPE_ISOCHRONOUS
:
1106 mod_timer(&r8a66597
->td_timer
[td
->pipenum
],
1107 jiffies
+ msecs_to_jiffies(time
));
1111 /* this function must be called with interrupt disabled */
1112 static void finish_request(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
,
1113 u16 pipenum
, struct urb
*urb
)
1114 __releases(r8a66597
->lock
) __acquires(r8a66597
->lock
)
1117 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
1119 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1122 if (td
->set_address
&& urb
->status
!= 0)
1123 r8a66597
->address_map
&= ~(1 << urb
->setup_packet
[2]);
1125 pipe_toggle_save(r8a66597
, td
->pipe
, urb
);
1126 list_del(&td
->queue
);
1130 if (!list_empty(&r8a66597
->pipe_queue
[pipenum
]))
1134 if (usb_pipeisoc(urb
->pipe
))
1135 urb
->start_frame
= r8a66597_get_frame(hcd
);
1138 usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597
), urb
);
1140 spin_unlock(&r8a66597
->lock
);
1141 usb_hcd_giveback_urb(hcd
, urb
);
1142 spin_lock(&r8a66597
->lock
);
1146 td
= r8a66597_get_td(r8a66597
, pipenum
);
1150 start_transfer(r8a66597
, td
);
1151 set_td_timer(r8a66597
, td
);
1155 static void packet_read(struct r8a66597
*r8a66597
, u16 pipenum
)
1158 int rcv_len
, bufsize
, urb_len
, size
;
1160 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1169 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1170 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1171 if (unlikely((tmp
& FRDY
) == 0)) {
1172 urb
->status
= -EPIPE
;
1173 pipe_stop(r8a66597
, td
->pipe
);
1174 pipe_irq_disable(r8a66597
, pipenum
);
1175 err("in fifo not ready (%d)", pipenum
);
1176 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1180 /* prepare parameters */
1181 rcv_len
= tmp
& DTLN
;
1182 if (usb_pipeisoc(urb
->pipe
)) {
1183 buf
= (u16
*)(urb
->transfer_buffer
+
1184 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1185 urb_len
= urb
->iso_frame_desc
[td
->iso_cnt
].length
;
1187 buf
= (void *)urb
->transfer_buffer
+ urb
->actual_length
;
1188 urb_len
= urb
->transfer_buffer_length
- urb
->actual_length
;
1190 bufsize
= min(urb_len
, (int) td
->maxpacket
);
1191 if (rcv_len
<= bufsize
) {
1195 status
= -EOVERFLOW
;
1199 /* update parameters */
1200 urb
->actual_length
+= size
;
1202 td
->zero_packet
= 1;
1203 if (rcv_len
< bufsize
) {
1204 td
->short_packet
= 1;
1205 if (urb
->transfer_buffer_length
!= urb
->actual_length
&&
1206 urb
->transfer_flags
& URB_SHORT_NOT_OK
)
1207 status
= -EREMOTEIO
;
1209 if (usb_pipeisoc(urb
->pipe
)) {
1210 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1211 urb
->iso_frame_desc
[td
->iso_cnt
].status
= status
;
1216 /* check transfer finish */
1217 if (check_transfer_finish(td
, urb
)) {
1218 pipe_stop(r8a66597
, td
->pipe
);
1219 pipe_irq_disable(r8a66597
, pipenum
);
1224 if (urb
->transfer_buffer
) {
1226 r8a66597_write(r8a66597
, BCLR
, td
->pipe
->fifoctr
);
1228 r8a66597_read_fifo(r8a66597
, td
->pipe
->fifoaddr
,
1232 if (finish
&& pipenum
!= 0) {
1233 if (td
->urb
->status
== -EINPROGRESS
)
1234 td
->urb
->status
= status
;
1235 finish_request(r8a66597
, td
, pipenum
, urb
);
1239 static void packet_write(struct r8a66597
*r8a66597
, u16 pipenum
)
1244 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1251 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1252 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1253 if (unlikely((tmp
& FRDY
) == 0)) {
1254 urb
->status
= -EPIPE
;
1255 pipe_stop(r8a66597
, td
->pipe
);
1256 pipe_irq_disable(r8a66597
, pipenum
);
1257 err("out write fifo not ready. (%d)", pipenum
);
1258 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1262 /* prepare parameters */
1263 bufsize
= td
->maxpacket
;
1264 if (usb_pipeisoc(urb
->pipe
)) {
1265 buf
= (u16
*)(urb
->transfer_buffer
+
1266 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1268 (int)urb
->iso_frame_desc
[td
->iso_cnt
].length
);
1270 buf
= (u16
*)(urb
->transfer_buffer
+ urb
->actual_length
);
1271 size
= min((int)bufsize
,
1272 urb
->transfer_buffer_length
- urb
->actual_length
);
1277 r8a66597_write(r8a66597
, ~(1 << pipenum
), BEMPSTS
);
1278 if (urb
->transfer_buffer
) {
1279 r8a66597_write_fifo(r8a66597
, td
->pipe
->fifoaddr
, buf
, size
);
1280 if (!usb_pipebulk(urb
->pipe
) || td
->maxpacket
!= size
)
1281 r8a66597_write(r8a66597
, BVAL
, td
->pipe
->fifoctr
);
1284 /* update parameters */
1285 urb
->actual_length
+= size
;
1286 if (usb_pipeisoc(urb
->pipe
)) {
1287 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1288 urb
->iso_frame_desc
[td
->iso_cnt
].status
= 0;
1292 /* check transfer finish */
1293 if (check_transfer_finish(td
, urb
)) {
1294 disable_irq_ready(r8a66597
, pipenum
);
1295 enable_irq_empty(r8a66597
, pipenum
);
1296 if (!usb_pipeisoc(urb
->pipe
))
1297 enable_irq_nrdy(r8a66597
, pipenum
);
1299 pipe_irq_enable(r8a66597
, urb
, pipenum
);
1303 static void check_next_phase(struct r8a66597
*r8a66597
)
1305 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, 0);
1316 if (urb
->status
!= -EINPROGRESS
) {
1320 if (check_transfer_finish(td
, urb
))
1321 td
->type
= USB_PID_ACK
;
1324 if (urb
->status
!= -EINPROGRESS
)
1326 else if (urb
->transfer_buffer_length
== urb
->actual_length
) {
1327 td
->type
= USB_PID_ACK
;
1329 } else if (usb_pipeout(urb
->pipe
))
1330 td
->type
= USB_PID_OUT
;
1332 td
->type
= USB_PID_IN
;
1336 if (urb
->status
== -EINPROGRESS
)
1342 finish_request(r8a66597
, td
, 0, urb
);
1344 start_transfer(r8a66597
, td
);
1347 static void set_urb_error(struct r8a66597
*r8a66597
, u16 pipenum
)
1349 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1351 if (td
&& td
->urb
) {
1352 u16 pid
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
) & PID
;
1355 td
->urb
->status
= -ECONNRESET
;
1357 td
->urb
->status
= -EPIPE
;
1361 static void irq_pipe_ready(struct r8a66597
*r8a66597
)
1366 struct r8a66597_td
*td
;
1368 mask
= r8a66597_read(r8a66597
, BRDYSTS
)
1369 & r8a66597_read(r8a66597
, BRDYENB
);
1370 r8a66597_write(r8a66597
, ~mask
, BRDYSTS
);
1372 td
= r8a66597_get_td(r8a66597
, 0);
1373 if (td
&& td
->type
== USB_PID_IN
)
1374 packet_read(r8a66597
, 0);
1376 pipe_irq_disable(r8a66597
, 0);
1377 check_next_phase(r8a66597
);
1380 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1381 check
= 1 << pipenum
;
1383 td
= r8a66597_get_td(r8a66597
, pipenum
);
1387 if (td
->type
== USB_PID_IN
)
1388 packet_read(r8a66597
, pipenum
);
1389 else if (td
->type
== USB_PID_OUT
)
1390 packet_write(r8a66597
, pipenum
);
1395 static void irq_pipe_empty(struct r8a66597
*r8a66597
)
1401 struct r8a66597_td
*td
;
1403 mask
= r8a66597_read(r8a66597
, BEMPSTS
)
1404 & r8a66597_read(r8a66597
, BEMPENB
);
1405 r8a66597_write(r8a66597
, ~mask
, BEMPSTS
);
1407 cfifo_change(r8a66597
, 0);
1408 td
= r8a66597_get_td(r8a66597
, 0);
1409 if (td
&& td
->type
!= USB_PID_OUT
)
1410 disable_irq_empty(r8a66597
, 0);
1411 check_next_phase(r8a66597
);
1414 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1415 check
= 1 << pipenum
;
1417 struct r8a66597_td
*td
;
1418 td
= r8a66597_get_td(r8a66597
, pipenum
);
1422 tmp
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
);
1423 if ((tmp
& INBUFM
) == 0) {
1424 disable_irq_empty(r8a66597
, pipenum
);
1425 pipe_irq_disable(r8a66597
, pipenum
);
1426 if (td
->urb
->status
== -EINPROGRESS
)
1427 td
->urb
->status
= 0;
1428 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1434 static void irq_pipe_nrdy(struct r8a66597
*r8a66597
)
1440 mask
= r8a66597_read(r8a66597
, NRDYSTS
)
1441 & r8a66597_read(r8a66597
, NRDYENB
);
1442 r8a66597_write(r8a66597
, ~mask
, NRDYSTS
);
1444 cfifo_change(r8a66597
, 0);
1445 set_urb_error(r8a66597
, 0);
1446 pipe_irq_disable(r8a66597
, 0);
1447 check_next_phase(r8a66597
);
1450 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1451 check
= 1 << pipenum
;
1453 struct r8a66597_td
*td
;
1454 td
= r8a66597_get_td(r8a66597
, pipenum
);
1458 set_urb_error(r8a66597
, pipenum
);
1459 pipe_irq_disable(r8a66597
, pipenum
);
1460 pipe_stop(r8a66597
, td
->pipe
);
1461 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1466 static void start_root_hub_sampling(struct r8a66597
*r8a66597
, int port
)
1468 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1470 rh
->old_syssts
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1471 rh
->scount
= R8A66597_MAX_SAMPLING
;
1472 mod_timer(&r8a66597
->rh_timer
, jiffies
+ msecs_to_jiffies(50));
1475 static irqreturn_t
r8a66597_irq(struct usb_hcd
*hcd
)
1477 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1478 u16 intsts0
, intsts1
, intsts2
;
1479 u16 intenb0
, intenb1
, intenb2
;
1480 u16 mask0
, mask1
, mask2
;
1482 spin_lock(&r8a66597
->lock
);
1484 intsts0
= r8a66597_read(r8a66597
, INTSTS0
);
1485 intsts1
= r8a66597_read(r8a66597
, INTSTS1
);
1486 intsts2
= r8a66597_read(r8a66597
, INTSTS2
);
1487 intenb0
= r8a66597_read(r8a66597
, INTENB0
);
1488 intenb1
= r8a66597_read(r8a66597
, INTENB1
);
1489 intenb2
= r8a66597_read(r8a66597
, INTENB2
);
1491 mask2
= intsts2
& intenb2
;
1492 mask1
= intsts1
& intenb1
;
1493 mask0
= intsts0
& intenb0
& (BEMP
| NRDY
| BRDY
);
1495 if (mask2
& ATTCH
) {
1496 r8a66597_write(r8a66597
, ~ATTCH
, INTSTS2
);
1497 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB2
);
1499 /* start usb bus sampling */
1500 start_root_hub_sampling(r8a66597
, 1);
1503 r8a66597_write(r8a66597
, ~DTCH
, INTSTS2
);
1504 r8a66597_bclr(r8a66597
, DTCHE
, INTENB2
);
1505 r8a66597_usb_disconnect(r8a66597
, 1);
1510 if (mask1
& ATTCH
) {
1511 r8a66597_write(r8a66597
, ~ATTCH
, INTSTS1
);
1512 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB1
);
1514 /* start usb bus sampling */
1515 start_root_hub_sampling(r8a66597
, 0);
1518 r8a66597_write(r8a66597
, ~DTCH
, INTSTS1
);
1519 r8a66597_bclr(r8a66597
, DTCHE
, INTENB1
);
1520 r8a66597_usb_disconnect(r8a66597
, 0);
1523 r8a66597_write(r8a66597
, ~SIGN
, INTSTS1
);
1524 set_urb_error(r8a66597
, 0);
1525 check_next_phase(r8a66597
);
1528 r8a66597_write(r8a66597
, ~SACK
, INTSTS1
);
1529 check_next_phase(r8a66597
);
1534 irq_pipe_ready(r8a66597
);
1536 irq_pipe_empty(r8a66597
);
1538 irq_pipe_nrdy(r8a66597
);
1541 spin_unlock(&r8a66597
->lock
);
1545 /* this function must be called with interrupt disabled */
1546 static void r8a66597_root_hub_control(struct r8a66597
*r8a66597
, int port
)
1549 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1551 if (rh
->port
& (1 << USB_PORT_FEAT_RESET
)) {
1552 unsigned long dvstctr_reg
= get_dvstctr_reg(port
);
1554 tmp
= r8a66597_read(r8a66597
, dvstctr_reg
);
1555 if ((tmp
& USBRST
) == USBRST
) {
1556 r8a66597_mdfy(r8a66597
, UACT
, USBRST
| UACT
,
1558 mod_timer(&r8a66597
->rh_timer
,
1559 jiffies
+ msecs_to_jiffies(50));
1561 r8a66597_usb_connect(r8a66597
, port
);
1564 if (rh
->scount
> 0) {
1565 tmp
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1566 if (tmp
== rh
->old_syssts
) {
1568 if (rh
->scount
== 0) {
1569 if (tmp
== FS_JSTS
) {
1570 r8a66597_bset(r8a66597
, HSE
,
1571 get_syscfg_reg(port
));
1572 r8a66597_usb_preconnect(r8a66597
, port
);
1573 } else if (tmp
== LS_JSTS
) {
1574 r8a66597_bclr(r8a66597
, HSE
,
1575 get_syscfg_reg(port
));
1576 r8a66597_usb_preconnect(r8a66597
, port
);
1577 } else if (tmp
== SE0
)
1578 r8a66597_bset(r8a66597
, ATTCHE
,
1579 get_intenb_reg(port
));
1581 mod_timer(&r8a66597
->rh_timer
,
1582 jiffies
+ msecs_to_jiffies(50));
1585 rh
->scount
= R8A66597_MAX_SAMPLING
;
1586 rh
->old_syssts
= tmp
;
1587 mod_timer(&r8a66597
->rh_timer
,
1588 jiffies
+ msecs_to_jiffies(50));
1593 static void r8a66597_td_timer(unsigned long _r8a66597
)
1595 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1596 unsigned long flags
;
1598 struct r8a66597_td
*td
, *new_td
= NULL
;
1599 struct r8a66597_pipe
*pipe
;
1601 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1602 for (pipenum
= 0; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1603 if (!(r8a66597
->timeout_map
& (1 << pipenum
)))
1605 if (timer_pending(&r8a66597
->td_timer
[pipenum
]))
1608 td
= r8a66597_get_td(r8a66597
, pipenum
);
1610 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1614 if (td
->urb
->actual_length
) {
1615 set_td_timer(r8a66597
, td
);
1620 pipe_stop(r8a66597
, pipe
);
1624 list_move_tail(&new_td
->queue
,
1625 &r8a66597
->pipe_queue
[pipenum
]);
1626 new_td
= r8a66597_get_td(r8a66597
, pipenum
);
1631 } while (td
!= new_td
&& td
->address
== new_td
->address
);
1633 start_transfer(r8a66597
, new_td
);
1636 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1638 set_td_timer(r8a66597
, new_td
);
1641 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1644 static void r8a66597_timer(unsigned long _r8a66597
)
1646 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1647 unsigned long flags
;
1649 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1651 r8a66597_root_hub_control(r8a66597
, 0);
1652 r8a66597_root_hub_control(r8a66597
, 1);
1654 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1657 static int check_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
1659 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
1661 if (dev
&& dev
->address
&& dev
->state
!= USB_STATE_CONFIGURED
&&
1662 (urb
->dev
->state
== USB_STATE_CONFIGURED
))
1668 static int r8a66597_start(struct usb_hcd
*hcd
)
1670 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1672 hcd
->state
= HC_STATE_RUNNING
;
1673 return enable_controller(r8a66597
);
1676 static void r8a66597_stop(struct usb_hcd
*hcd
)
1678 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1680 disable_controller(r8a66597
);
1683 static void set_address_zero(struct r8a66597
*r8a66597
, struct urb
*urb
)
1685 unsigned int usb_address
= usb_pipedevice(urb
->pipe
);
1686 u16 root_port
, hub_port
;
1688 if (usb_address
== 0) {
1689 get_port_number(urb
->dev
->devpath
,
1690 &root_port
, &hub_port
);
1691 set_devadd_reg(r8a66597
, 0,
1692 get_r8a66597_usb_speed(urb
->dev
->speed
),
1693 get_parent_r8a66597_address(r8a66597
, urb
->dev
),
1694 hub_port
, root_port
);
1698 static struct r8a66597_td
*r8a66597_make_td(struct r8a66597
*r8a66597
,
1700 struct usb_host_endpoint
*hep
)
1702 struct r8a66597_td
*td
;
1705 td
= kzalloc(sizeof(struct r8a66597_td
), GFP_ATOMIC
);
1709 pipenum
= r8a66597_get_pipenum(urb
, hep
);
1710 td
->pipenum
= pipenum
;
1711 td
->pipe
= hep
->hcpriv
;
1713 td
->address
= get_urb_to_r8a66597_addr(r8a66597
, urb
);
1714 td
->maxpacket
= usb_maxpacket(urb
->dev
, urb
->pipe
,
1715 !usb_pipein(urb
->pipe
));
1716 if (usb_pipecontrol(urb
->pipe
))
1717 td
->type
= USB_PID_SETUP
;
1718 else if (usb_pipein(urb
->pipe
))
1719 td
->type
= USB_PID_IN
;
1721 td
->type
= USB_PID_OUT
;
1722 INIT_LIST_HEAD(&td
->queue
);
1727 static int r8a66597_urb_enqueue(struct usb_hcd
*hcd
,
1731 struct usb_host_endpoint
*hep
= urb
->ep
;
1732 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1733 struct r8a66597_td
*td
= NULL
;
1734 int ret
, request
= 0;
1735 unsigned long flags
;
1737 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1738 if (!get_urb_to_r8a66597_dev(r8a66597
, urb
)) {
1740 goto error_not_linked
;
1743 ret
= usb_hcd_link_urb_to_ep(hcd
, urb
);
1745 goto error_not_linked
;
1748 hep
->hcpriv
= kzalloc(sizeof(struct r8a66597_pipe
),
1754 set_pipe_reg_addr(hep
->hcpriv
, R8A66597_PIPE_NO_DMA
);
1755 if (usb_pipeendpoint(urb
->pipe
))
1756 init_pipe_info(r8a66597
, urb
, hep
, &hep
->desc
);
1759 if (unlikely(check_pipe_config(r8a66597
, urb
)))
1760 init_pipe_config(r8a66597
, urb
);
1762 set_address_zero(r8a66597
, urb
);
1763 td
= r8a66597_make_td(r8a66597
, urb
, hep
);
1768 if (list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]))
1770 list_add_tail(&td
->queue
, &r8a66597
->pipe_queue
[td
->pipenum
]);
1774 ret
= start_transfer(r8a66597
, td
);
1776 list_del(&td
->queue
);
1780 set_td_timer(r8a66597
, td
);
1784 usb_hcd_unlink_urb_from_ep(hcd
, urb
);
1786 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1790 static int r8a66597_urb_dequeue(struct usb_hcd
*hcd
, struct urb
*urb
,
1793 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1794 struct r8a66597_td
*td
;
1795 unsigned long flags
;
1798 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1799 rc
= usb_hcd_check_unlink_urb(hcd
, urb
, status
);
1805 pipe_stop(r8a66597
, td
->pipe
);
1806 pipe_irq_disable(r8a66597
, td
->pipenum
);
1807 disable_irq_empty(r8a66597
, td
->pipenum
);
1808 finish_request(r8a66597
, td
, td
->pipenum
, urb
);
1811 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1815 static void r8a66597_endpoint_disable(struct usb_hcd
*hcd
,
1816 struct usb_host_endpoint
*hep
)
1818 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1819 struct r8a66597_pipe
*pipe
= (struct r8a66597_pipe
*)hep
->hcpriv
;
1820 struct r8a66597_td
*td
;
1821 struct urb
*urb
= NULL
;
1823 unsigned long flags
;
1827 pipenum
= pipe
->info
.pipenum
;
1835 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1836 pipe_stop(r8a66597
, pipe
);
1837 pipe_irq_disable(r8a66597
, pipenum
);
1838 disable_irq_empty(r8a66597
, pipenum
);
1839 td
= r8a66597_get_td(r8a66597
, pipenum
);
1842 finish_request(r8a66597
, td
, pipenum
, urb
);
1845 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1848 static int r8a66597_get_frame(struct usb_hcd
*hcd
)
1850 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1851 return r8a66597_read(r8a66597
, FRMNUM
) & 0x03FF;
1854 static void collect_usb_address_map(struct usb_device
*udev
, unsigned long *map
)
1858 if (udev
->state
== USB_STATE_CONFIGURED
&&
1859 udev
->parent
&& udev
->parent
->devnum
> 1 &&
1860 udev
->parent
->descriptor
.bDeviceClass
== USB_CLASS_HUB
)
1861 map
[udev
->devnum
/32] |= (1 << (udev
->devnum
% 32));
1863 for (chix
= 0; chix
< udev
->maxchild
; chix
++) {
1864 struct usb_device
*childdev
= udev
->children
[chix
];
1867 collect_usb_address_map(childdev
, map
);
1871 /* this function must be called with interrupt disabled */
1872 static struct r8a66597_device
*get_r8a66597_device(struct r8a66597
*r8a66597
,
1875 struct r8a66597_device
*dev
;
1876 struct list_head
*list
= &r8a66597
->child_device
;
1878 list_for_each_entry(dev
, list
, device_list
) {
1881 if (dev
->usb_address
!= addr
)
1887 err("get_r8a66597_device fail.(%d)\n", addr
);
1891 static void update_usb_address_map(struct r8a66597
*r8a66597
,
1892 struct usb_device
*root_hub
,
1897 unsigned long flags
;
1899 for (i
= 0; i
< 4; i
++) {
1900 diff
= r8a66597
->child_connect_map
[i
] ^ map
[i
];
1904 for (j
= 0; j
< 32; j
++) {
1905 if (!(diff
& (1 << j
)))
1909 if (map
[i
] & (1 << j
))
1910 set_child_connect_map(r8a66597
, addr
);
1912 struct r8a66597_device
*dev
;
1914 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1915 dev
= get_r8a66597_device(r8a66597
, addr
);
1916 disable_r8a66597_pipe_all(r8a66597
, dev
);
1917 free_usb_address(r8a66597
, dev
);
1918 put_child_connect_map(r8a66597
, addr
);
1919 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1925 static void r8a66597_check_detect_child(struct r8a66597
*r8a66597
,
1926 struct usb_hcd
*hcd
)
1928 struct usb_bus
*bus
;
1929 unsigned long now_map
[4];
1931 memset(now_map
, 0, sizeof(now_map
));
1933 list_for_each_entry(bus
, &usb_bus_list
, bus_list
) {
1937 if (bus
->busnum
!= hcd
->self
.busnum
)
1940 collect_usb_address_map(bus
->root_hub
, now_map
);
1941 update_usb_address_map(r8a66597
, bus
->root_hub
, now_map
);
1945 static int r8a66597_hub_status_data(struct usb_hcd
*hcd
, char *buf
)
1947 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1948 unsigned long flags
;
1951 r8a66597_check_detect_child(r8a66597
, hcd
);
1953 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1955 *buf
= 0; /* initialize (no change) */
1957 for (i
= 0; i
< R8A66597_MAX_ROOT_HUB
; i
++) {
1958 if (r8a66597
->root_hub
[i
].port
& 0xffff0000)
1959 *buf
|= 1 << (i
+ 1);
1962 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1967 static void r8a66597_hub_descriptor(struct r8a66597
*r8a66597
,
1968 struct usb_hub_descriptor
*desc
)
1970 desc
->bDescriptorType
= 0x29;
1971 desc
->bHubContrCurrent
= 0;
1972 desc
->bNbrPorts
= R8A66597_MAX_ROOT_HUB
;
1973 desc
->bDescLength
= 9;
1974 desc
->bPwrOn2PwrGood
= 0;
1975 desc
->wHubCharacteristics
= cpu_to_le16(0x0011);
1976 desc
->bitmap
[0] = ((1 << R8A66597_MAX_ROOT_HUB
) - 1) << 1;
1977 desc
->bitmap
[1] = ~0;
1980 static int r8a66597_hub_control(struct usb_hcd
*hcd
, u16 typeReq
, u16 wValue
,
1981 u16 wIndex
, char *buf
, u16 wLength
)
1983 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1985 int port
= (wIndex
& 0x00FF) - 1;
1986 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1987 unsigned long flags
;
1991 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1993 case ClearHubFeature
:
1996 case C_HUB_OVER_CURRENT
:
1997 case C_HUB_LOCAL_POWER
:
2003 case ClearPortFeature
:
2004 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2010 case USB_PORT_FEAT_ENABLE
:
2011 rh
->port
&= (1 << USB_PORT_FEAT_POWER
);
2013 case USB_PORT_FEAT_SUSPEND
:
2015 case USB_PORT_FEAT_POWER
:
2016 r8a66597_port_power(r8a66597
, port
, 0);
2018 case USB_PORT_FEAT_C_ENABLE
:
2019 case USB_PORT_FEAT_C_SUSPEND
:
2020 case USB_PORT_FEAT_C_CONNECTION
:
2021 case USB_PORT_FEAT_C_OVER_CURRENT
:
2022 case USB_PORT_FEAT_C_RESET
:
2027 rh
->port
&= ~(1 << wValue
);
2029 case GetHubDescriptor
:
2030 r8a66597_hub_descriptor(r8a66597
,
2031 (struct usb_hub_descriptor
*)buf
);
2037 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2039 *(u32
*)buf
= rh
->port
;
2041 case SetPortFeature
:
2042 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2048 case USB_PORT_FEAT_SUSPEND
:
2050 case USB_PORT_FEAT_POWER
:
2051 r8a66597_port_power(r8a66597
, port
, 1);
2052 rh
->port
|= (1 << USB_PORT_FEAT_POWER
);
2054 case USB_PORT_FEAT_RESET
: {
2055 struct r8a66597_device
*dev
= rh
->dev
;
2057 rh
->port
|= (1 << USB_PORT_FEAT_RESET
);
2059 disable_r8a66597_pipe_all(r8a66597
, dev
);
2060 free_usb_address(r8a66597
, dev
);
2062 r8a66597_mdfy(r8a66597
, USBRST
, USBRST
| UACT
,
2063 get_dvstctr_reg(port
));
2064 mod_timer(&r8a66597
->rh_timer
,
2065 jiffies
+ msecs_to_jiffies(50));
2071 rh
->port
|= 1 << wValue
;
2079 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
2083 static struct hc_driver r8a66597_hc_driver
= {
2084 .description
= hcd_name
,
2085 .hcd_priv_size
= sizeof(struct r8a66597
),
2086 .irq
= r8a66597_irq
,
2089 * generic hardware linkage
2093 .start
= r8a66597_start
,
2094 .stop
= r8a66597_stop
,
2097 * managing i/o requests and associated device resources
2099 .urb_enqueue
= r8a66597_urb_enqueue
,
2100 .urb_dequeue
= r8a66597_urb_dequeue
,
2101 .endpoint_disable
= r8a66597_endpoint_disable
,
2104 * periodic schedule support
2106 .get_frame_number
= r8a66597_get_frame
,
2111 .hub_status_data
= r8a66597_hub_status_data
,
2112 .hub_control
= r8a66597_hub_control
,
2115 #if defined(CONFIG_PM)
2116 static int r8a66597_suspend(struct platform_device
*pdev
, pm_message_t state
)
2118 pdev
->dev
.power
.power_state
= state
;
2122 static int r8a66597_resume(struct platform_device
*pdev
)
2124 pdev
->dev
.power
.power_state
= PMSG_ON
;
2127 #else /* if defined(CONFIG_PM) */
2128 #define r8a66597_suspend NULL
2129 #define r8a66597_resume NULL
2132 static int __init_or_module
r8a66597_remove(struct platform_device
*pdev
)
2134 struct r8a66597
*r8a66597
= dev_get_drvdata(&pdev
->dev
);
2135 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
2137 del_timer_sync(&r8a66597
->rh_timer
);
2138 iounmap((void *)r8a66597
->reg
);
2139 usb_remove_hcd(hcd
);
2144 #define resource_len(r) (((r)->end - (r)->start) + 1)
2145 static int __init
r8a66597_probe(struct platform_device
*pdev
)
2147 struct resource
*res
= NULL
;
2149 void __iomem
*reg
= NULL
;
2150 struct usb_hcd
*hcd
= NULL
;
2151 struct r8a66597
*r8a66597
;
2155 if (pdev
->dev
.dma_mask
) {
2157 err("dma not support");
2161 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
,
2165 err("platform_get_resource_byname error.");
2169 irq
= platform_get_irq(pdev
, 0);
2172 err("platform_get_irq error.");
2176 reg
= ioremap(res
->start
, resource_len(res
));
2179 err("ioremap error.");
2183 /* initialize hcd */
2184 hcd
= usb_create_hcd(&r8a66597_hc_driver
, &pdev
->dev
, (char *)hcd_name
);
2187 err("Failed to create hcd");
2190 r8a66597
= hcd_to_r8a66597(hcd
);
2191 memset(r8a66597
, 0, sizeof(struct r8a66597
));
2192 dev_set_drvdata(&pdev
->dev
, r8a66597
);
2194 spin_lock_init(&r8a66597
->lock
);
2195 init_timer(&r8a66597
->rh_timer
);
2196 r8a66597
->rh_timer
.function
= r8a66597_timer
;
2197 r8a66597
->rh_timer
.data
= (unsigned long)r8a66597
;
2198 r8a66597
->reg
= (unsigned long)reg
;
2200 for (i
= 0; i
< R8A66597_MAX_NUM_PIPE
; i
++) {
2201 INIT_LIST_HEAD(&r8a66597
->pipe_queue
[i
]);
2202 init_timer(&r8a66597
->td_timer
[i
]);
2203 r8a66597
->td_timer
[i
].function
= r8a66597_td_timer
;
2204 r8a66597
->td_timer
[i
].data
= (unsigned long)r8a66597
;
2206 INIT_LIST_HEAD(&r8a66597
->child_device
);
2208 hcd
->rsrc_start
= res
->start
;
2209 ret
= usb_add_hcd(hcd
, irq
, 0);
2211 err("Failed to add hcd");
2224 static struct platform_driver r8a66597_driver
= {
2225 .probe
= r8a66597_probe
,
2226 .remove
= r8a66597_remove
,
2227 .suspend
= r8a66597_suspend
,
2228 .resume
= r8a66597_resume
,
2230 .name
= (char *) hcd_name
,
2234 static int __init
r8a66597_init(void)
2239 info("driver %s, %s", hcd_name
, DRIVER_VERSION
);
2240 return platform_driver_register(&r8a66597_driver
);
2242 module_init(r8a66597_init
);
2244 static void __exit
r8a66597_cleanup(void)
2246 platform_driver_unregister(&r8a66597_driver
);
2248 module_exit(r8a66597_cleanup
);