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 spin_unlock(&r8a66597
->lock
);
788 usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597
), urb
);
789 spin_lock(&r8a66597
->lock
);
795 /* this function must be called with interrupt disabled */
796 static void disable_r8a66597_pipe_all(struct r8a66597
*r8a66597
,
797 struct r8a66597_device
*dev
)
805 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
806 if (!dev
->pipe_cnt
[pipenum
])
811 force_dequeue(r8a66597
, 0, dev
->address
);
814 r8a66597
->pipe_cnt
[pipenum
] -= dev
->pipe_cnt
[pipenum
];
815 dev
->pipe_cnt
[pipenum
] = 0;
816 force_dequeue(r8a66597
, pipenum
, dev
->address
);
821 r8a66597
->dma_map
&= ~(dev
->dma_map
);
825 /* this function must be called with interrupt disabled */
826 static void init_pipe_info(struct r8a66597
*r8a66597
, struct urb
*urb
,
827 struct usb_host_endpoint
*hep
,
828 struct usb_endpoint_descriptor
*ep
)
830 struct r8a66597_pipe_info info
;
832 info
.pipenum
= get_empty_pipenum(r8a66597
, ep
);
833 info
.address
= get_urb_to_r8a66597_addr(r8a66597
, urb
);
834 info
.epnum
= ep
->bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK
;
835 info
.maxpacket
= ep
->wMaxPacketSize
;
836 info
.type
= get_r8a66597_type(ep
->bmAttributes
837 & USB_ENDPOINT_XFERTYPE_MASK
);
838 info
.bufnum
= get_bufnum(info
.pipenum
);
839 info
.buf_bsize
= get_buf_bsize(info
.pipenum
);
840 info
.interval
= ep
->bInterval
;
841 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
846 enable_r8a66597_pipe(r8a66597
, urb
, hep
, &info
);
849 static void init_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
851 struct r8a66597_device
*dev
;
853 dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
854 dev
->state
= USB_STATE_CONFIGURED
;
857 static void pipe_irq_enable(struct r8a66597
*r8a66597
, struct urb
*urb
,
860 if (pipenum
== 0 && usb_pipeout(urb
->pipe
))
861 enable_irq_empty(r8a66597
, pipenum
);
863 enable_irq_ready(r8a66597
, pipenum
);
865 if (!usb_pipeisoc(urb
->pipe
))
866 enable_irq_nrdy(r8a66597
, pipenum
);
869 static void pipe_irq_disable(struct r8a66597
*r8a66597
, u16 pipenum
)
871 disable_irq_ready(r8a66597
, pipenum
);
872 disable_irq_nrdy(r8a66597
, pipenum
);
875 /* this function must be called with interrupt disabled */
876 static void r8a66597_usb_preconnect(struct r8a66597
*r8a66597
, int port
)
878 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_CONNECTION
)
879 | (1 << USB_PORT_FEAT_C_CONNECTION
);
880 r8a66597_write(r8a66597
, ~DTCH
, get_intsts_reg(port
));
881 r8a66597_bset(r8a66597
, DTCHE
, get_intenb_reg(port
));
884 /* this function must be called with interrupt disabled */
885 static void r8a66597_usb_connect(struct r8a66597
*r8a66597
, int port
)
887 u16 speed
= get_rh_usb_speed(r8a66597
, port
);
888 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
891 rh
->port
|= (1 << USB_PORT_FEAT_HIGHSPEED
);
892 else if (speed
== LSMODE
)
893 rh
->port
|= (1 << USB_PORT_FEAT_LOWSPEED
);
895 rh
->port
&= ~(1 << USB_PORT_FEAT_RESET
);
896 rh
->port
|= 1 << USB_PORT_FEAT_ENABLE
;
899 /* this function must be called with interrupt disabled */
900 static void r8a66597_usb_disconnect(struct r8a66597
*r8a66597
, int port
)
902 struct r8a66597_device
*dev
= r8a66597
->root_hub
[port
].dev
;
904 r8a66597
->root_hub
[port
].port
&= ~(1 << USB_PORT_FEAT_CONNECTION
);
905 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_C_CONNECTION
);
907 disable_r8a66597_pipe_all(r8a66597
, dev
);
908 free_usb_address(r8a66597
, dev
);
910 r8a66597_bset(r8a66597
, ATTCHE
, get_intenb_reg(port
));
913 /* this function must be called with interrupt disabled */
914 static void prepare_setup_packet(struct r8a66597
*r8a66597
,
915 struct r8a66597_td
*td
)
918 u16
*p
= (u16
*)td
->urb
->setup_packet
;
919 unsigned long setup_addr
= USBREQ
;
921 r8a66597_write(r8a66597
, make_devsel(td
->address
) | td
->maxpacket
,
923 r8a66597_write(r8a66597
, ~(SIGN
| SACK
), INTSTS1
);
925 for (i
= 0; i
< 4; i
++) {
926 r8a66597_write(r8a66597
, p
[i
], setup_addr
);
929 r8a66597_write(r8a66597
, SUREQ
, DCPCTR
);
932 /* this function must be called with interrupt disabled */
933 static void prepare_packet_read(struct r8a66597
*r8a66597
,
934 struct r8a66597_td
*td
)
936 struct urb
*urb
= td
->urb
;
938 if (usb_pipecontrol(urb
->pipe
)) {
939 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
940 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
941 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
942 if (urb
->actual_length
== 0) {
943 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
944 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
946 pipe_irq_disable(r8a66597
, td
->pipenum
);
947 pipe_start(r8a66597
, td
->pipe
);
948 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
950 if (urb
->actual_length
== 0) {
951 pipe_irq_disable(r8a66597
, td
->pipenum
);
952 pipe_setting(r8a66597
, td
);
953 pipe_stop(r8a66597
, td
->pipe
);
954 r8a66597_write(r8a66597
, ~(1 << td
->pipenum
), BRDYSTS
);
956 if (td
->pipe
->pipetre
) {
957 r8a66597_write(r8a66597
, TRCLR
,
959 r8a66597_write(r8a66597
,
960 (urb
->transfer_buffer_length
964 r8a66597_bset(r8a66597
, TRENB
,
968 pipe_start(r8a66597
, td
->pipe
);
969 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
974 /* this function must be called with interrupt disabled */
975 static void prepare_packet_write(struct r8a66597
*r8a66597
,
976 struct r8a66597_td
*td
)
979 struct urb
*urb
= td
->urb
;
981 if (usb_pipecontrol(urb
->pipe
)) {
982 pipe_stop(r8a66597
, td
->pipe
);
983 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
984 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
985 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
986 if (urb
->actual_length
== 0) {
987 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
988 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
991 if (urb
->actual_length
== 0)
992 pipe_setting(r8a66597
, td
);
993 if (td
->pipe
->pipetre
)
994 r8a66597_bclr(r8a66597
, TRENB
, td
->pipe
->pipetre
);
996 r8a66597_write(r8a66597
, ~(1 << td
->pipenum
), BRDYSTS
);
998 fifo_change_from_pipe(r8a66597
, td
->pipe
);
999 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1000 if (unlikely((tmp
& FRDY
) == 0))
1001 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
1003 packet_write(r8a66597
, td
->pipenum
);
1004 pipe_start(r8a66597
, td
->pipe
);
1007 /* this function must be called with interrupt disabled */
1008 static void prepare_status_packet(struct r8a66597
*r8a66597
,
1009 struct r8a66597_td
*td
)
1011 struct urb
*urb
= td
->urb
;
1013 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
1014 pipe_stop(r8a66597
, td
->pipe
);
1016 if (urb
->setup_packet
[0] & USB_ENDPOINT_DIR_MASK
) {
1017 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
1018 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
1019 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1020 r8a66597_write(r8a66597
, ~BEMP0
, BEMPSTS
);
1021 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
1022 r8a66597_write(r8a66597
, BVAL
, CFIFOCTR
);
1023 enable_irq_empty(r8a66597
, 0);
1025 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
1026 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
1027 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1028 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
1029 enable_irq_ready(r8a66597
, 0);
1031 enable_irq_nrdy(r8a66597
, 0);
1032 pipe_start(r8a66597
, td
->pipe
);
1035 /* this function must be called with interrupt disabled */
1036 static int start_transfer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1042 if (td
->urb
->setup_packet
[1] == USB_REQ_SET_ADDRESS
) {
1043 td
->set_address
= 1;
1044 td
->urb
->setup_packet
[2] = alloc_usb_address(r8a66597
,
1046 if (td
->urb
->setup_packet
[2] == 0)
1049 prepare_setup_packet(r8a66597
, td
);
1052 prepare_packet_read(r8a66597
, td
);
1055 prepare_packet_write(r8a66597
, td
);
1058 prepare_status_packet(r8a66597
, td
);
1061 err("invalid type.");
1068 static int check_transfer_finish(struct r8a66597_td
*td
, struct urb
*urb
)
1070 if (usb_pipeisoc(urb
->pipe
)) {
1071 if (urb
->number_of_packets
== td
->iso_cnt
)
1075 /* control or bulk or interrupt */
1076 if ((urb
->transfer_buffer_length
<= urb
->actual_length
) ||
1077 (td
->short_packet
) || (td
->zero_packet
))
1083 /* this function must be called with interrupt disabled */
1084 static void set_td_timer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1090 if (!list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]) &&
1091 !usb_pipecontrol(td
->urb
->pipe
) && usb_pipein(td
->urb
->pipe
)) {
1092 r8a66597
->timeout_map
|= 1 << td
->pipenum
;
1093 switch (usb_pipetype(td
->urb
->pipe
)) {
1094 case PIPE_INTERRUPT
:
1095 case PIPE_ISOCHRONOUS
:
1103 mod_timer(&r8a66597
->td_timer
[td
->pipenum
],
1104 jiffies
+ msecs_to_jiffies(time
));
1108 /* this function must be called with interrupt disabled */
1109 static void done(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
,
1110 u16 pipenum
, struct urb
*urb
)
1113 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
1115 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1118 if (td
->set_address
&& urb
->status
!= 0)
1119 r8a66597
->address_map
&= ~(1 << urb
->setup_packet
[2]);
1121 pipe_toggle_save(r8a66597
, td
->pipe
, urb
);
1122 list_del(&td
->queue
);
1126 if (!list_empty(&r8a66597
->pipe_queue
[pipenum
]))
1130 if (usb_pipeisoc(urb
->pipe
))
1131 urb
->start_frame
= r8a66597_get_frame(hcd
);
1134 spin_unlock(&r8a66597
->lock
);
1135 usb_hcd_giveback_urb(hcd
, urb
);
1136 spin_lock(&r8a66597
->lock
);
1140 td
= r8a66597_get_td(r8a66597
, pipenum
);
1144 start_transfer(r8a66597
, td
);
1145 set_td_timer(r8a66597
, td
);
1149 /* this function must be called with interrupt disabled */
1150 static void finish_request(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
,
1151 u16 pipenum
, struct urb
*urb
)
1152 __releases(r8a66597
->lock
) __acquires(r8a66597
->lock
)
1154 done(r8a66597
, td
, pipenum
, urb
);
1157 static void packet_read(struct r8a66597
*r8a66597
, u16 pipenum
)
1160 int rcv_len
, bufsize
, urb_len
, size
;
1162 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1170 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1171 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1172 if (unlikely((tmp
& FRDY
) == 0)) {
1173 urb
->status
= -EPIPE
;
1174 pipe_stop(r8a66597
, td
->pipe
);
1175 pipe_irq_disable(r8a66597
, pipenum
);
1176 err("in fifo not ready (%d)", pipenum
);
1177 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1181 /* prepare parameters */
1182 rcv_len
= tmp
& DTLN
;
1183 bufsize
= td
->maxpacket
;
1184 if (usb_pipeisoc(urb
->pipe
)) {
1185 buf
= (u16
*)(urb
->transfer_buffer
+
1186 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1187 urb_len
= urb
->iso_frame_desc
[td
->iso_cnt
].length
;
1189 buf
= (void *)urb
->transfer_buffer
+ urb
->actual_length
;
1190 urb_len
= urb
->transfer_buffer_length
- urb
->actual_length
;
1192 if (rcv_len
< bufsize
)
1193 size
= min(rcv_len
, urb_len
);
1195 size
= min(bufsize
, urb_len
);
1197 /* update parameters */
1198 urb
->actual_length
+= size
;
1200 td
->zero_packet
= 1;
1201 if ((size
% td
->maxpacket
) > 0) {
1202 td
->short_packet
= 1;
1203 if (urb
->transfer_buffer_length
!= urb
->actual_length
&&
1204 urb
->transfer_flags
& URB_SHORT_NOT_OK
)
1205 td
->urb
->status
= -EREMOTEIO
;
1207 if (usb_pipeisoc(urb
->pipe
)) {
1208 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1209 urb
->iso_frame_desc
[td
->iso_cnt
].status
= 0;
1213 /* check transfer finish */
1214 if (check_transfer_finish(td
, urb
)) {
1215 pipe_stop(r8a66597
, td
->pipe
);
1216 pipe_irq_disable(r8a66597
, pipenum
);
1221 if (urb
->transfer_buffer
) {
1223 r8a66597_write(r8a66597
, BCLR
, td
->pipe
->fifoctr
);
1225 r8a66597_read_fifo(r8a66597
, td
->pipe
->fifoaddr
,
1229 if (finish
&& pipenum
!= 0) {
1230 if (td
->urb
->status
== -EINPROGRESS
)
1231 td
->urb
->status
= 0;
1232 finish_request(r8a66597
, td
, pipenum
, urb
);
1236 static void packet_write(struct r8a66597
*r8a66597
, u16 pipenum
)
1241 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1248 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1249 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1250 if (unlikely((tmp
& FRDY
) == 0)) {
1251 urb
->status
= -EPIPE
;
1252 pipe_stop(r8a66597
, td
->pipe
);
1253 pipe_irq_disable(r8a66597
, pipenum
);
1254 err("out write fifo not ready. (%d)", pipenum
);
1255 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1259 /* prepare parameters */
1260 bufsize
= td
->maxpacket
;
1261 if (usb_pipeisoc(urb
->pipe
)) {
1262 buf
= (u16
*)(urb
->transfer_buffer
+
1263 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1265 (int)urb
->iso_frame_desc
[td
->iso_cnt
].length
);
1267 buf
= (u16
*)(urb
->transfer_buffer
+ urb
->actual_length
);
1268 size
= min((int)bufsize
,
1269 urb
->transfer_buffer_length
- urb
->actual_length
);
1274 r8a66597_write(r8a66597
, ~(1 << pipenum
), BEMPSTS
);
1275 if (urb
->transfer_buffer
) {
1276 r8a66597_write_fifo(r8a66597
, td
->pipe
->fifoaddr
, buf
, size
);
1277 if (!usb_pipebulk(urb
->pipe
) || td
->maxpacket
!= size
)
1278 r8a66597_write(r8a66597
, BVAL
, td
->pipe
->fifoctr
);
1281 /* update parameters */
1282 urb
->actual_length
+= size
;
1283 if (usb_pipeisoc(urb
->pipe
)) {
1284 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1285 urb
->iso_frame_desc
[td
->iso_cnt
].status
= 0;
1289 /* check transfer finish */
1290 if (check_transfer_finish(td
, urb
)) {
1291 disable_irq_ready(r8a66597
, pipenum
);
1292 enable_irq_empty(r8a66597
, pipenum
);
1293 if (!usb_pipeisoc(urb
->pipe
))
1294 enable_irq_nrdy(r8a66597
, pipenum
);
1296 pipe_irq_enable(r8a66597
, urb
, pipenum
);
1300 static void check_next_phase(struct r8a66597
*r8a66597
)
1302 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, 0);
1313 if (urb
->status
!= -EINPROGRESS
) {
1317 if (check_transfer_finish(td
, urb
))
1318 td
->type
= USB_PID_ACK
;
1321 if (urb
->status
!= -EINPROGRESS
)
1323 else if (urb
->transfer_buffer_length
== urb
->actual_length
) {
1324 td
->type
= USB_PID_ACK
;
1326 } else if (usb_pipeout(urb
->pipe
))
1327 td
->type
= USB_PID_OUT
;
1329 td
->type
= USB_PID_IN
;
1333 if (urb
->status
== -EINPROGRESS
)
1339 finish_request(r8a66597
, td
, 0, urb
);
1341 start_transfer(r8a66597
, td
);
1344 static void set_urb_error(struct r8a66597
*r8a66597
, u16 pipenum
)
1346 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1348 if (td
&& td
->urb
) {
1349 u16 pid
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
) & PID
;
1352 td
->urb
->status
= -ECONNRESET
;
1354 td
->urb
->status
= -EPIPE
;
1358 static void irq_pipe_ready(struct r8a66597
*r8a66597
)
1363 struct r8a66597_td
*td
;
1365 mask
= r8a66597_read(r8a66597
, BRDYSTS
)
1366 & r8a66597_read(r8a66597
, BRDYENB
);
1367 r8a66597_write(r8a66597
, ~mask
, BRDYSTS
);
1369 td
= r8a66597_get_td(r8a66597
, 0);
1370 if (td
&& td
->type
== USB_PID_IN
)
1371 packet_read(r8a66597
, 0);
1373 pipe_irq_disable(r8a66597
, 0);
1374 check_next_phase(r8a66597
);
1377 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1378 check
= 1 << pipenum
;
1380 td
= r8a66597_get_td(r8a66597
, pipenum
);
1384 if (td
->type
== USB_PID_IN
)
1385 packet_read(r8a66597
, pipenum
);
1386 else if (td
->type
== USB_PID_OUT
)
1387 packet_write(r8a66597
, pipenum
);
1392 static void irq_pipe_empty(struct r8a66597
*r8a66597
)
1398 struct r8a66597_td
*td
;
1400 mask
= r8a66597_read(r8a66597
, BEMPSTS
)
1401 & r8a66597_read(r8a66597
, BEMPENB
);
1402 r8a66597_write(r8a66597
, ~mask
, BEMPSTS
);
1404 cfifo_change(r8a66597
, 0);
1405 td
= r8a66597_get_td(r8a66597
, 0);
1406 if (td
&& td
->type
!= USB_PID_OUT
)
1407 disable_irq_empty(r8a66597
, 0);
1408 check_next_phase(r8a66597
);
1411 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1412 check
= 1 << pipenum
;
1414 struct r8a66597_td
*td
;
1415 td
= r8a66597_get_td(r8a66597
, pipenum
);
1419 tmp
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
);
1420 if ((tmp
& INBUFM
) == 0) {
1421 disable_irq_empty(r8a66597
, pipenum
);
1422 pipe_irq_disable(r8a66597
, pipenum
);
1423 if (td
->urb
->status
== -EINPROGRESS
)
1424 td
->urb
->status
= 0;
1425 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1431 static void irq_pipe_nrdy(struct r8a66597
*r8a66597
)
1437 mask
= r8a66597_read(r8a66597
, NRDYSTS
)
1438 & r8a66597_read(r8a66597
, NRDYENB
);
1439 r8a66597_write(r8a66597
, ~mask
, NRDYSTS
);
1441 cfifo_change(r8a66597
, 0);
1442 set_urb_error(r8a66597
, 0);
1443 pipe_irq_disable(r8a66597
, 0);
1444 check_next_phase(r8a66597
);
1447 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1448 check
= 1 << pipenum
;
1450 struct r8a66597_td
*td
;
1451 td
= r8a66597_get_td(r8a66597
, pipenum
);
1455 set_urb_error(r8a66597
, pipenum
);
1456 pipe_irq_disable(r8a66597
, pipenum
);
1457 pipe_stop(r8a66597
, td
->pipe
);
1458 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1463 static void start_root_hub_sampling(struct r8a66597
*r8a66597
, int port
)
1465 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1467 rh
->old_syssts
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1468 rh
->scount
= R8A66597_MAX_SAMPLING
;
1469 mod_timer(&r8a66597
->rh_timer
, jiffies
+ msecs_to_jiffies(50));
1472 static irqreturn_t
r8a66597_irq(struct usb_hcd
*hcd
)
1474 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1475 u16 intsts0
, intsts1
, intsts2
;
1476 u16 intenb0
, intenb1
, intenb2
;
1477 u16 mask0
, mask1
, mask2
;
1479 spin_lock(&r8a66597
->lock
);
1481 intsts0
= r8a66597_read(r8a66597
, INTSTS0
);
1482 intsts1
= r8a66597_read(r8a66597
, INTSTS1
);
1483 intsts2
= r8a66597_read(r8a66597
, INTSTS2
);
1484 intenb0
= r8a66597_read(r8a66597
, INTENB0
);
1485 intenb1
= r8a66597_read(r8a66597
, INTENB1
);
1486 intenb2
= r8a66597_read(r8a66597
, INTENB2
);
1488 mask2
= intsts2
& intenb2
;
1489 mask1
= intsts1
& intenb1
;
1490 mask0
= intsts0
& intenb0
& (BEMP
| NRDY
| BRDY
);
1492 if (mask2
& ATTCH
) {
1493 r8a66597_write(r8a66597
, ~ATTCH
, INTSTS2
);
1494 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB2
);
1496 /* start usb bus sampling */
1497 start_root_hub_sampling(r8a66597
, 1);
1500 r8a66597_write(r8a66597
, ~DTCH
, INTSTS2
);
1501 r8a66597_bclr(r8a66597
, DTCHE
, INTENB2
);
1502 r8a66597_usb_disconnect(r8a66597
, 1);
1507 if (mask1
& ATTCH
) {
1508 r8a66597_write(r8a66597
, ~ATTCH
, INTSTS1
);
1509 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB1
);
1511 /* start usb bus sampling */
1512 start_root_hub_sampling(r8a66597
, 0);
1515 r8a66597_write(r8a66597
, ~DTCH
, INTSTS1
);
1516 r8a66597_bclr(r8a66597
, DTCHE
, INTENB1
);
1517 r8a66597_usb_disconnect(r8a66597
, 0);
1520 r8a66597_write(r8a66597
, ~SIGN
, INTSTS1
);
1521 set_urb_error(r8a66597
, 0);
1522 check_next_phase(r8a66597
);
1525 r8a66597_write(r8a66597
, ~SACK
, INTSTS1
);
1526 check_next_phase(r8a66597
);
1531 irq_pipe_ready(r8a66597
);
1533 irq_pipe_empty(r8a66597
);
1535 irq_pipe_nrdy(r8a66597
);
1538 spin_unlock(&r8a66597
->lock
);
1542 /* this function must be called with interrupt disabled */
1543 static void r8a66597_root_hub_control(struct r8a66597
*r8a66597
, int port
)
1546 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1548 if (rh
->port
& (1 << USB_PORT_FEAT_RESET
)) {
1549 unsigned long dvstctr_reg
= get_dvstctr_reg(port
);
1551 tmp
= r8a66597_read(r8a66597
, dvstctr_reg
);
1552 if ((tmp
& USBRST
) == USBRST
) {
1553 r8a66597_mdfy(r8a66597
, UACT
, USBRST
| UACT
,
1555 mod_timer(&r8a66597
->rh_timer
,
1556 jiffies
+ msecs_to_jiffies(50));
1558 r8a66597_usb_connect(r8a66597
, port
);
1561 if (rh
->scount
> 0) {
1562 tmp
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1563 if (tmp
== rh
->old_syssts
) {
1565 if (rh
->scount
== 0) {
1566 if (tmp
== FS_JSTS
) {
1567 r8a66597_bset(r8a66597
, HSE
,
1568 get_syscfg_reg(port
));
1569 r8a66597_usb_preconnect(r8a66597
, port
);
1570 } else if (tmp
== LS_JSTS
) {
1571 r8a66597_bclr(r8a66597
, HSE
,
1572 get_syscfg_reg(port
));
1573 r8a66597_usb_preconnect(r8a66597
, port
);
1574 } else if (tmp
== SE0
)
1575 r8a66597_bset(r8a66597
, ATTCHE
,
1576 get_intenb_reg(port
));
1578 mod_timer(&r8a66597
->rh_timer
,
1579 jiffies
+ msecs_to_jiffies(50));
1582 rh
->scount
= R8A66597_MAX_SAMPLING
;
1583 rh
->old_syssts
= tmp
;
1584 mod_timer(&r8a66597
->rh_timer
,
1585 jiffies
+ msecs_to_jiffies(50));
1590 static void r8a66597_td_timer(unsigned long _r8a66597
)
1592 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1593 unsigned long flags
;
1595 struct r8a66597_td
*td
, *new_td
= NULL
;
1596 struct r8a66597_pipe
*pipe
;
1598 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1599 for (pipenum
= 0; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1600 if (!(r8a66597
->timeout_map
& (1 << pipenum
)))
1602 if (timer_pending(&r8a66597
->td_timer
[pipenum
]))
1605 td
= r8a66597_get_td(r8a66597
, pipenum
);
1607 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1611 if (td
->urb
->actual_length
) {
1612 set_td_timer(r8a66597
, td
);
1617 pipe_stop(r8a66597
, pipe
);
1621 list_move_tail(&new_td
->queue
,
1622 &r8a66597
->pipe_queue
[pipenum
]);
1623 new_td
= r8a66597_get_td(r8a66597
, pipenum
);
1628 } while (td
!= new_td
&& td
->address
== new_td
->address
);
1630 start_transfer(r8a66597
, new_td
);
1633 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1635 set_td_timer(r8a66597
, new_td
);
1638 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1641 static void r8a66597_timer(unsigned long _r8a66597
)
1643 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1644 unsigned long flags
;
1646 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1648 r8a66597_root_hub_control(r8a66597
, 0);
1649 r8a66597_root_hub_control(r8a66597
, 1);
1651 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1654 static int check_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
1656 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
1658 if (dev
&& dev
->address
&& dev
->state
!= USB_STATE_CONFIGURED
&&
1659 (urb
->dev
->state
== USB_STATE_CONFIGURED
))
1665 static int r8a66597_start(struct usb_hcd
*hcd
)
1667 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1669 hcd
->state
= HC_STATE_RUNNING
;
1670 return enable_controller(r8a66597
);
1673 static void r8a66597_stop(struct usb_hcd
*hcd
)
1675 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1677 disable_controller(r8a66597
);
1680 static void set_address_zero(struct r8a66597
*r8a66597
, struct urb
*urb
)
1682 unsigned int usb_address
= usb_pipedevice(urb
->pipe
);
1683 u16 root_port
, hub_port
;
1685 if (usb_address
== 0) {
1686 get_port_number(urb
->dev
->devpath
,
1687 &root_port
, &hub_port
);
1688 set_devadd_reg(r8a66597
, 0,
1689 get_r8a66597_usb_speed(urb
->dev
->speed
),
1690 get_parent_r8a66597_address(r8a66597
, urb
->dev
),
1691 hub_port
, root_port
);
1695 static struct r8a66597_td
*r8a66597_make_td(struct r8a66597
*r8a66597
,
1697 struct usb_host_endpoint
*hep
)
1699 struct r8a66597_td
*td
;
1702 td
= kzalloc(sizeof(struct r8a66597_td
), GFP_ATOMIC
);
1706 pipenum
= r8a66597_get_pipenum(urb
, hep
);
1707 td
->pipenum
= pipenum
;
1708 td
->pipe
= hep
->hcpriv
;
1710 td
->address
= get_urb_to_r8a66597_addr(r8a66597
, urb
);
1711 td
->maxpacket
= usb_maxpacket(urb
->dev
, urb
->pipe
,
1712 !usb_pipein(urb
->pipe
));
1713 if (usb_pipecontrol(urb
->pipe
))
1714 td
->type
= USB_PID_SETUP
;
1715 else if (usb_pipein(urb
->pipe
))
1716 td
->type
= USB_PID_IN
;
1718 td
->type
= USB_PID_OUT
;
1719 INIT_LIST_HEAD(&td
->queue
);
1724 static int r8a66597_urb_enqueue(struct usb_hcd
*hcd
,
1725 struct usb_host_endpoint
*hep
,
1729 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1730 struct r8a66597_td
*td
= NULL
;
1731 int ret
= 0, request
= 0;
1732 unsigned long flags
;
1734 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1735 if (!get_urb_to_r8a66597_dev(r8a66597
, urb
)) {
1741 hep
->hcpriv
= kzalloc(sizeof(struct r8a66597_pipe
),
1747 set_pipe_reg_addr(hep
->hcpriv
, R8A66597_PIPE_NO_DMA
);
1748 if (usb_pipeendpoint(urb
->pipe
))
1749 init_pipe_info(r8a66597
, urb
, hep
, &hep
->desc
);
1752 if (unlikely(check_pipe_config(r8a66597
, urb
)))
1753 init_pipe_config(r8a66597
, urb
);
1755 set_address_zero(r8a66597
, urb
);
1756 td
= r8a66597_make_td(r8a66597
, urb
, hep
);
1761 if (list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]))
1763 list_add_tail(&td
->queue
, &r8a66597
->pipe_queue
[td
->pipenum
]);
1765 spin_lock(&urb
->lock
);
1766 if (urb
->status
!= -EINPROGRESS
) {
1767 spin_unlock(&urb
->lock
);
1772 spin_unlock(&urb
->lock
);
1775 ret
= start_transfer(r8a66597
, td
);
1777 list_del(&td
->queue
);
1781 set_td_timer(r8a66597
, td
);
1784 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1788 static int r8a66597_urb_dequeue(struct usb_hcd
*hcd
, struct urb
*urb
)
1790 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1791 struct r8a66597_td
*td
;
1792 unsigned long flags
;
1794 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1797 pipe_stop(r8a66597
, td
->pipe
);
1798 pipe_irq_disable(r8a66597
, td
->pipenum
);
1799 disable_irq_empty(r8a66597
, td
->pipenum
);
1800 done(r8a66597
, td
, td
->pipenum
, urb
);
1802 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1806 static void r8a66597_endpoint_disable(struct usb_hcd
*hcd
,
1807 struct usb_host_endpoint
*hep
)
1809 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1810 struct r8a66597_pipe
*pipe
= (struct r8a66597_pipe
*)hep
->hcpriv
;
1811 struct r8a66597_td
*td
;
1812 struct urb
*urb
= NULL
;
1814 unsigned long flags
;
1818 pipenum
= pipe
->info
.pipenum
;
1826 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1827 pipe_stop(r8a66597
, pipe
);
1828 pipe_irq_disable(r8a66597
, pipenum
);
1829 disable_irq_empty(r8a66597
, pipenum
);
1830 td
= r8a66597_get_td(r8a66597
, pipenum
);
1833 done(r8a66597
, td
, pipenum
, urb
);
1836 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1839 static int r8a66597_get_frame(struct usb_hcd
*hcd
)
1841 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1842 return r8a66597_read(r8a66597
, FRMNUM
) & 0x03FF;
1845 static void collect_usb_address_map(struct usb_device
*udev
, unsigned long *map
)
1849 if (udev
->state
== USB_STATE_CONFIGURED
&&
1850 udev
->parent
&& udev
->parent
->devnum
> 1 &&
1851 udev
->parent
->descriptor
.bDeviceClass
== USB_CLASS_HUB
)
1852 map
[udev
->devnum
/32] |= (1 << (udev
->devnum
% 32));
1854 for (chix
= 0; chix
< udev
->maxchild
; chix
++) {
1855 struct usb_device
*childdev
= udev
->children
[chix
];
1858 collect_usb_address_map(childdev
, map
);
1862 /* this function must be called with interrupt disabled */
1863 static struct r8a66597_device
*get_r8a66597_device(struct r8a66597
*r8a66597
,
1866 struct r8a66597_device
*dev
;
1867 struct list_head
*list
= &r8a66597
->child_device
;
1869 list_for_each_entry(dev
, list
, device_list
) {
1872 if (dev
->usb_address
!= addr
)
1878 err("get_r8a66597_device fail.(%d)\n", addr
);
1882 static void update_usb_address_map(struct r8a66597
*r8a66597
,
1883 struct usb_device
*root_hub
,
1888 unsigned long flags
;
1890 for (i
= 0; i
< 4; i
++) {
1891 diff
= r8a66597
->child_connect_map
[i
] ^ map
[i
];
1895 for (j
= 0; j
< 32; j
++) {
1896 if (!(diff
& (1 << j
)))
1900 if (map
[i
] & (1 << j
))
1901 set_child_connect_map(r8a66597
, addr
);
1903 struct r8a66597_device
*dev
;
1905 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1906 dev
= get_r8a66597_device(r8a66597
, addr
);
1907 disable_r8a66597_pipe_all(r8a66597
, dev
);
1908 free_usb_address(r8a66597
, dev
);
1909 put_child_connect_map(r8a66597
, addr
);
1910 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1916 static void r8a66597_check_detect_child(struct r8a66597
*r8a66597
,
1917 struct usb_hcd
*hcd
)
1919 struct usb_bus
*bus
;
1920 unsigned long now_map
[4];
1922 memset(now_map
, 0, sizeof(now_map
));
1924 list_for_each_entry(bus
, &usb_bus_list
, bus_list
) {
1928 if (bus
->busnum
!= hcd
->self
.busnum
)
1931 collect_usb_address_map(bus
->root_hub
, now_map
);
1932 update_usb_address_map(r8a66597
, bus
->root_hub
, now_map
);
1936 static int r8a66597_hub_status_data(struct usb_hcd
*hcd
, char *buf
)
1938 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1939 unsigned long flags
;
1942 r8a66597_check_detect_child(r8a66597
, hcd
);
1944 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1946 *buf
= 0; /* initialize (no change) */
1948 for (i
= 0; i
< R8A66597_MAX_ROOT_HUB
; i
++) {
1949 if (r8a66597
->root_hub
[i
].port
& 0xffff0000)
1950 *buf
|= 1 << (i
+ 1);
1953 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1958 static void r8a66597_hub_descriptor(struct r8a66597
*r8a66597
,
1959 struct usb_hub_descriptor
*desc
)
1961 desc
->bDescriptorType
= 0x29;
1962 desc
->bHubContrCurrent
= 0;
1963 desc
->bNbrPorts
= R8A66597_MAX_ROOT_HUB
;
1964 desc
->bDescLength
= 9;
1965 desc
->bPwrOn2PwrGood
= 0;
1966 desc
->wHubCharacteristics
= cpu_to_le16(0x0011);
1967 desc
->bitmap
[0] = ((1 << R8A66597_MAX_ROOT_HUB
) - 1) << 1;
1968 desc
->bitmap
[1] = ~0;
1971 static int r8a66597_hub_control(struct usb_hcd
*hcd
, u16 typeReq
, u16 wValue
,
1972 u16 wIndex
, char *buf
, u16 wLength
)
1974 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1976 int port
= (wIndex
& 0x00FF) - 1;
1977 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1978 unsigned long flags
;
1982 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1984 case ClearHubFeature
:
1987 case C_HUB_OVER_CURRENT
:
1988 case C_HUB_LOCAL_POWER
:
1994 case ClearPortFeature
:
1995 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2001 case USB_PORT_FEAT_ENABLE
:
2002 rh
->port
&= (1 << USB_PORT_FEAT_POWER
);
2004 case USB_PORT_FEAT_SUSPEND
:
2006 case USB_PORT_FEAT_POWER
:
2007 r8a66597_port_power(r8a66597
, port
, 0);
2009 case USB_PORT_FEAT_C_ENABLE
:
2010 case USB_PORT_FEAT_C_SUSPEND
:
2011 case USB_PORT_FEAT_C_CONNECTION
:
2012 case USB_PORT_FEAT_C_OVER_CURRENT
:
2013 case USB_PORT_FEAT_C_RESET
:
2018 rh
->port
&= ~(1 << wValue
);
2020 case GetHubDescriptor
:
2021 r8a66597_hub_descriptor(r8a66597
,
2022 (struct usb_hub_descriptor
*)buf
);
2028 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2030 *(u32
*)buf
= rh
->port
;
2032 case SetPortFeature
:
2033 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2039 case USB_PORT_FEAT_SUSPEND
:
2041 case USB_PORT_FEAT_POWER
:
2042 r8a66597_port_power(r8a66597
, port
, 1);
2043 rh
->port
|= (1 << USB_PORT_FEAT_POWER
);
2045 case USB_PORT_FEAT_RESET
: {
2046 struct r8a66597_device
*dev
= rh
->dev
;
2048 rh
->port
|= (1 << USB_PORT_FEAT_RESET
);
2050 disable_r8a66597_pipe_all(r8a66597
, dev
);
2051 free_usb_address(r8a66597
, dev
);
2053 r8a66597_mdfy(r8a66597
, USBRST
, USBRST
| UACT
,
2054 get_dvstctr_reg(port
));
2055 mod_timer(&r8a66597
->rh_timer
,
2056 jiffies
+ msecs_to_jiffies(50));
2062 rh
->port
|= 1 << wValue
;
2070 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
2074 static struct hc_driver r8a66597_hc_driver
= {
2075 .description
= hcd_name
,
2076 .hcd_priv_size
= sizeof(struct r8a66597
),
2077 .irq
= r8a66597_irq
,
2080 * generic hardware linkage
2084 .start
= r8a66597_start
,
2085 .stop
= r8a66597_stop
,
2088 * managing i/o requests and associated device resources
2090 .urb_enqueue
= r8a66597_urb_enqueue
,
2091 .urb_dequeue
= r8a66597_urb_dequeue
,
2092 .endpoint_disable
= r8a66597_endpoint_disable
,
2095 * periodic schedule support
2097 .get_frame_number
= r8a66597_get_frame
,
2102 .hub_status_data
= r8a66597_hub_status_data
,
2103 .hub_control
= r8a66597_hub_control
,
2106 #if defined(CONFIG_PM)
2107 static int r8a66597_suspend(struct platform_device
*pdev
, pm_message_t state
)
2109 pdev
->dev
.power
.power_state
= state
;
2113 static int r8a66597_resume(struct platform_device
*pdev
)
2115 pdev
->dev
.power
.power_state
= PMSG_ON
;
2118 #else /* if defined(CONFIG_PM) */
2119 #define r8a66597_suspend NULL
2120 #define r8a66597_resume NULL
2123 static int __init_or_module
r8a66597_remove(struct platform_device
*pdev
)
2125 struct r8a66597
*r8a66597
= dev_get_drvdata(&pdev
->dev
);
2126 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
2128 del_timer_sync(&r8a66597
->rh_timer
);
2129 iounmap((void *)r8a66597
->reg
);
2130 usb_remove_hcd(hcd
);
2135 #define resource_len(r) (((r)->end - (r)->start) + 1)
2136 static int __init
r8a66597_probe(struct platform_device
*pdev
)
2138 struct resource
*res
= NULL
;
2140 void __iomem
*reg
= NULL
;
2141 struct usb_hcd
*hcd
= NULL
;
2142 struct r8a66597
*r8a66597
;
2146 if (pdev
->dev
.dma_mask
) {
2148 err("dma not support");
2152 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
,
2156 err("platform_get_resource_byname error.");
2160 irq
= platform_get_irq(pdev
, 0);
2163 err("platform_get_irq error.");
2167 reg
= ioremap(res
->start
, resource_len(res
));
2170 err("ioremap error.");
2174 /* initialize hcd */
2175 hcd
= usb_create_hcd(&r8a66597_hc_driver
, &pdev
->dev
, (char *)hcd_name
);
2178 err("Failed to create hcd");
2181 r8a66597
= hcd_to_r8a66597(hcd
);
2182 memset(r8a66597
, 0, sizeof(struct r8a66597
));
2183 dev_set_drvdata(&pdev
->dev
, r8a66597
);
2185 spin_lock_init(&r8a66597
->lock
);
2186 init_timer(&r8a66597
->rh_timer
);
2187 r8a66597
->rh_timer
.function
= r8a66597_timer
;
2188 r8a66597
->rh_timer
.data
= (unsigned long)r8a66597
;
2189 r8a66597
->reg
= (unsigned long)reg
;
2191 for (i
= 0; i
< R8A66597_MAX_NUM_PIPE
; i
++) {
2192 INIT_LIST_HEAD(&r8a66597
->pipe_queue
[i
]);
2193 init_timer(&r8a66597
->td_timer
[i
]);
2194 r8a66597
->td_timer
[i
].function
= r8a66597_td_timer
;
2195 r8a66597
->td_timer
[i
].data
= (unsigned long)r8a66597
;
2197 INIT_LIST_HEAD(&r8a66597
->child_device
);
2199 hcd
->rsrc_start
= res
->start
;
2200 ret
= usb_add_hcd(hcd
, irq
, 0);
2202 err("Failed to add hcd");
2212 release_mem_region(res
->start
, 1);
2217 static struct platform_driver r8a66597_driver
= {
2218 .probe
= r8a66597_probe
,
2219 .remove
= r8a66597_remove
,
2220 .suspend
= r8a66597_suspend
,
2221 .resume
= r8a66597_resume
,
2223 .name
= (char *) hcd_name
,
2227 static int __init
r8a66597_init(void)
2232 info("driver %s, %s", hcd_name
, DRIVER_VERSION
);
2233 return platform_driver_register(&r8a66597_driver
);
2235 module_init(r8a66597_init
);
2237 static void __exit
r8a66597_cleanup(void)
2239 platform_driver_unregister(&r8a66597_driver
);
2241 module_exit(r8a66597_cleanup
);