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
;
786 usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597
),
789 spin_unlock(&r8a66597
->lock
);
790 usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597
), urb
);
791 spin_lock(&r8a66597
->lock
);
797 /* this function must be called with interrupt disabled */
798 static void disable_r8a66597_pipe_all(struct r8a66597
*r8a66597
,
799 struct r8a66597_device
*dev
)
807 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
808 if (!dev
->pipe_cnt
[pipenum
])
813 force_dequeue(r8a66597
, 0, dev
->address
);
816 r8a66597
->pipe_cnt
[pipenum
] -= dev
->pipe_cnt
[pipenum
];
817 dev
->pipe_cnt
[pipenum
] = 0;
818 force_dequeue(r8a66597
, pipenum
, dev
->address
);
823 r8a66597
->dma_map
&= ~(dev
->dma_map
);
827 /* this function must be called with interrupt disabled */
828 static void init_pipe_info(struct r8a66597
*r8a66597
, struct urb
*urb
,
829 struct usb_host_endpoint
*hep
,
830 struct usb_endpoint_descriptor
*ep
)
832 struct r8a66597_pipe_info info
;
834 info
.pipenum
= get_empty_pipenum(r8a66597
, ep
);
835 info
.address
= get_urb_to_r8a66597_addr(r8a66597
, urb
);
836 info
.epnum
= ep
->bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK
;
837 info
.maxpacket
= ep
->wMaxPacketSize
;
838 info
.type
= get_r8a66597_type(ep
->bmAttributes
839 & USB_ENDPOINT_XFERTYPE_MASK
);
840 info
.bufnum
= get_bufnum(info
.pipenum
);
841 info
.buf_bsize
= get_buf_bsize(info
.pipenum
);
842 info
.interval
= ep
->bInterval
;
843 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
848 enable_r8a66597_pipe(r8a66597
, urb
, hep
, &info
);
851 static void init_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
853 struct r8a66597_device
*dev
;
855 dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
856 dev
->state
= USB_STATE_CONFIGURED
;
859 static void pipe_irq_enable(struct r8a66597
*r8a66597
, struct urb
*urb
,
862 if (pipenum
== 0 && usb_pipeout(urb
->pipe
))
863 enable_irq_empty(r8a66597
, pipenum
);
865 enable_irq_ready(r8a66597
, pipenum
);
867 if (!usb_pipeisoc(urb
->pipe
))
868 enable_irq_nrdy(r8a66597
, pipenum
);
871 static void pipe_irq_disable(struct r8a66597
*r8a66597
, u16 pipenum
)
873 disable_irq_ready(r8a66597
, pipenum
);
874 disable_irq_nrdy(r8a66597
, pipenum
);
877 /* this function must be called with interrupt disabled */
878 static void r8a66597_usb_preconnect(struct r8a66597
*r8a66597
, int port
)
880 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_CONNECTION
)
881 | (1 << USB_PORT_FEAT_C_CONNECTION
);
882 r8a66597_write(r8a66597
, ~DTCH
, get_intsts_reg(port
));
883 r8a66597_bset(r8a66597
, DTCHE
, get_intenb_reg(port
));
886 /* this function must be called with interrupt disabled */
887 static void r8a66597_usb_connect(struct r8a66597
*r8a66597
, int port
)
889 u16 speed
= get_rh_usb_speed(r8a66597
, port
);
890 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
893 rh
->port
|= (1 << USB_PORT_FEAT_HIGHSPEED
);
894 else if (speed
== LSMODE
)
895 rh
->port
|= (1 << USB_PORT_FEAT_LOWSPEED
);
897 rh
->port
&= ~(1 << USB_PORT_FEAT_RESET
);
898 rh
->port
|= 1 << USB_PORT_FEAT_ENABLE
;
901 /* this function must be called with interrupt disabled */
902 static void r8a66597_usb_disconnect(struct r8a66597
*r8a66597
, int port
)
904 struct r8a66597_device
*dev
= r8a66597
->root_hub
[port
].dev
;
906 r8a66597
->root_hub
[port
].port
&= ~(1 << USB_PORT_FEAT_CONNECTION
);
907 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_C_CONNECTION
);
909 disable_r8a66597_pipe_all(r8a66597
, dev
);
910 free_usb_address(r8a66597
, dev
);
912 r8a66597_bset(r8a66597
, ATTCHE
, get_intenb_reg(port
));
915 /* this function must be called with interrupt disabled */
916 static void prepare_setup_packet(struct r8a66597
*r8a66597
,
917 struct r8a66597_td
*td
)
920 u16
*p
= (u16
*)td
->urb
->setup_packet
;
921 unsigned long setup_addr
= USBREQ
;
923 r8a66597_write(r8a66597
, make_devsel(td
->address
) | td
->maxpacket
,
925 r8a66597_write(r8a66597
, ~(SIGN
| SACK
), INTSTS1
);
927 for (i
= 0; i
< 4; i
++) {
928 r8a66597_write(r8a66597
, p
[i
], setup_addr
);
931 r8a66597_write(r8a66597
, SUREQ
, DCPCTR
);
934 /* this function must be called with interrupt disabled */
935 static void prepare_packet_read(struct r8a66597
*r8a66597
,
936 struct r8a66597_td
*td
)
938 struct urb
*urb
= td
->urb
;
940 if (usb_pipecontrol(urb
->pipe
)) {
941 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
942 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
943 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
944 if (urb
->actual_length
== 0) {
945 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
946 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
948 pipe_irq_disable(r8a66597
, td
->pipenum
);
949 pipe_start(r8a66597
, td
->pipe
);
950 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
952 if (urb
->actual_length
== 0) {
953 pipe_irq_disable(r8a66597
, td
->pipenum
);
954 pipe_setting(r8a66597
, td
);
955 pipe_stop(r8a66597
, td
->pipe
);
956 r8a66597_write(r8a66597
, ~(1 << td
->pipenum
), BRDYSTS
);
958 if (td
->pipe
->pipetre
) {
959 r8a66597_write(r8a66597
, TRCLR
,
961 r8a66597_write(r8a66597
,
962 (urb
->transfer_buffer_length
966 r8a66597_bset(r8a66597
, TRENB
,
970 pipe_start(r8a66597
, td
->pipe
);
971 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
976 /* this function must be called with interrupt disabled */
977 static void prepare_packet_write(struct r8a66597
*r8a66597
,
978 struct r8a66597_td
*td
)
981 struct urb
*urb
= td
->urb
;
983 if (usb_pipecontrol(urb
->pipe
)) {
984 pipe_stop(r8a66597
, td
->pipe
);
985 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
986 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
987 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
988 if (urb
->actual_length
== 0) {
989 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
990 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
993 if (urb
->actual_length
== 0)
994 pipe_setting(r8a66597
, td
);
995 if (td
->pipe
->pipetre
)
996 r8a66597_bclr(r8a66597
, TRENB
, td
->pipe
->pipetre
);
998 r8a66597_write(r8a66597
, ~(1 << td
->pipenum
), BRDYSTS
);
1000 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1001 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1002 if (unlikely((tmp
& FRDY
) == 0))
1003 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
1005 packet_write(r8a66597
, td
->pipenum
);
1006 pipe_start(r8a66597
, td
->pipe
);
1009 /* this function must be called with interrupt disabled */
1010 static void prepare_status_packet(struct r8a66597
*r8a66597
,
1011 struct r8a66597_td
*td
)
1013 struct urb
*urb
= td
->urb
;
1015 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
1016 pipe_stop(r8a66597
, td
->pipe
);
1018 if (urb
->setup_packet
[0] & USB_ENDPOINT_DIR_MASK
) {
1019 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
1020 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
1021 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1022 r8a66597_write(r8a66597
, ~BEMP0
, BEMPSTS
);
1023 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
1024 r8a66597_write(r8a66597
, BVAL
, CFIFOCTR
);
1025 enable_irq_empty(r8a66597
, 0);
1027 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
1028 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
1029 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1030 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
1031 enable_irq_ready(r8a66597
, 0);
1033 enable_irq_nrdy(r8a66597
, 0);
1034 pipe_start(r8a66597
, td
->pipe
);
1037 /* this function must be called with interrupt disabled */
1038 static int start_transfer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1044 if (td
->urb
->setup_packet
[1] == USB_REQ_SET_ADDRESS
) {
1045 td
->set_address
= 1;
1046 td
->urb
->setup_packet
[2] = alloc_usb_address(r8a66597
,
1048 if (td
->urb
->setup_packet
[2] == 0)
1051 prepare_setup_packet(r8a66597
, td
);
1054 prepare_packet_read(r8a66597
, td
);
1057 prepare_packet_write(r8a66597
, td
);
1060 prepare_status_packet(r8a66597
, td
);
1063 err("invalid type.");
1070 static int check_transfer_finish(struct r8a66597_td
*td
, struct urb
*urb
)
1072 if (usb_pipeisoc(urb
->pipe
)) {
1073 if (urb
->number_of_packets
== td
->iso_cnt
)
1077 /* control or bulk or interrupt */
1078 if ((urb
->transfer_buffer_length
<= urb
->actual_length
) ||
1079 (td
->short_packet
) || (td
->zero_packet
))
1085 /* this function must be called with interrupt disabled */
1086 static void set_td_timer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1092 if (!list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]) &&
1093 !usb_pipecontrol(td
->urb
->pipe
) && usb_pipein(td
->urb
->pipe
)) {
1094 r8a66597
->timeout_map
|= 1 << td
->pipenum
;
1095 switch (usb_pipetype(td
->urb
->pipe
)) {
1096 case PIPE_INTERRUPT
:
1097 case PIPE_ISOCHRONOUS
:
1105 mod_timer(&r8a66597
->td_timer
[td
->pipenum
],
1106 jiffies
+ msecs_to_jiffies(time
));
1110 /* this function must be called with interrupt disabled */
1111 static void finish_request(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
,
1112 u16 pipenum
, struct urb
*urb
)
1113 __releases(r8a66597
->lock
) __acquires(r8a66597
->lock
)
1116 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
1118 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1121 if (td
->set_address
&& urb
->status
!= 0)
1122 r8a66597
->address_map
&= ~(1 << urb
->setup_packet
[2]);
1124 pipe_toggle_save(r8a66597
, td
->pipe
, urb
);
1125 list_del(&td
->queue
);
1129 if (!list_empty(&r8a66597
->pipe_queue
[pipenum
]))
1133 if (usb_pipeisoc(urb
->pipe
))
1134 urb
->start_frame
= r8a66597_get_frame(hcd
);
1136 usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597
), urb
);
1138 spin_unlock(&r8a66597
->lock
);
1139 usb_hcd_giveback_urb(hcd
, urb
);
1140 spin_lock(&r8a66597
->lock
);
1144 td
= r8a66597_get_td(r8a66597
, pipenum
);
1148 start_transfer(r8a66597
, td
);
1149 set_td_timer(r8a66597
, td
);
1153 static void packet_read(struct r8a66597
*r8a66597
, u16 pipenum
)
1156 int rcv_len
, bufsize
, urb_len
, size
;
1158 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1167 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1168 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1169 if (unlikely((tmp
& FRDY
) == 0)) {
1170 urb
->status
= -EPIPE
;
1171 pipe_stop(r8a66597
, td
->pipe
);
1172 pipe_irq_disable(r8a66597
, pipenum
);
1173 err("in fifo not ready (%d)", pipenum
);
1174 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1178 /* prepare parameters */
1179 rcv_len
= tmp
& DTLN
;
1180 if (usb_pipeisoc(urb
->pipe
)) {
1181 buf
= (u16
*)(urb
->transfer_buffer
+
1182 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1183 urb_len
= urb
->iso_frame_desc
[td
->iso_cnt
].length
;
1185 buf
= (void *)urb
->transfer_buffer
+ urb
->actual_length
;
1186 urb_len
= urb
->transfer_buffer_length
- urb
->actual_length
;
1188 bufsize
= min(urb_len
, (int) td
->maxpacket
);
1189 if (rcv_len
<= bufsize
) {
1193 status
= -EOVERFLOW
;
1197 /* update parameters */
1198 urb
->actual_length
+= size
;
1200 td
->zero_packet
= 1;
1201 if (rcv_len
< bufsize
) {
1202 td
->short_packet
= 1;
1204 if (usb_pipeisoc(urb
->pipe
)) {
1205 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1206 urb
->iso_frame_desc
[td
->iso_cnt
].status
= status
;
1211 /* check transfer finish */
1212 if (finish
|| check_transfer_finish(td
, urb
)) {
1213 pipe_stop(r8a66597
, td
->pipe
);
1214 pipe_irq_disable(r8a66597
, pipenum
);
1219 if (urb
->transfer_buffer
) {
1221 r8a66597_write(r8a66597
, BCLR
, td
->pipe
->fifoctr
);
1223 r8a66597_read_fifo(r8a66597
, td
->pipe
->fifoaddr
,
1227 if (finish
&& pipenum
!= 0) {
1228 if (td
->urb
->status
== -EINPROGRESS
)
1229 td
->urb
->status
= status
;
1230 finish_request(r8a66597
, td
, pipenum
, urb
);
1234 static void packet_write(struct r8a66597
*r8a66597
, u16 pipenum
)
1239 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1246 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1247 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1248 if (unlikely((tmp
& FRDY
) == 0)) {
1249 urb
->status
= -EPIPE
;
1250 pipe_stop(r8a66597
, td
->pipe
);
1251 pipe_irq_disable(r8a66597
, pipenum
);
1252 err("out write fifo not ready. (%d)", pipenum
);
1253 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1257 /* prepare parameters */
1258 bufsize
= td
->maxpacket
;
1259 if (usb_pipeisoc(urb
->pipe
)) {
1260 buf
= (u16
*)(urb
->transfer_buffer
+
1261 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1263 (int)urb
->iso_frame_desc
[td
->iso_cnt
].length
);
1265 buf
= (u16
*)(urb
->transfer_buffer
+ urb
->actual_length
);
1266 size
= min((int)bufsize
,
1267 urb
->transfer_buffer_length
- urb
->actual_length
);
1272 r8a66597_write(r8a66597
, ~(1 << pipenum
), BEMPSTS
);
1273 if (urb
->transfer_buffer
) {
1274 r8a66597_write_fifo(r8a66597
, td
->pipe
->fifoaddr
, buf
, size
);
1275 if (!usb_pipebulk(urb
->pipe
) || td
->maxpacket
!= size
)
1276 r8a66597_write(r8a66597
, BVAL
, td
->pipe
->fifoctr
);
1279 /* update parameters */
1280 urb
->actual_length
+= size
;
1281 if (usb_pipeisoc(urb
->pipe
)) {
1282 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1283 urb
->iso_frame_desc
[td
->iso_cnt
].status
= 0;
1287 /* check transfer finish */
1288 if (check_transfer_finish(td
, urb
)) {
1289 disable_irq_ready(r8a66597
, pipenum
);
1290 enable_irq_empty(r8a66597
, pipenum
);
1291 if (!usb_pipeisoc(urb
->pipe
))
1292 enable_irq_nrdy(r8a66597
, pipenum
);
1294 pipe_irq_enable(r8a66597
, urb
, pipenum
);
1298 static void check_next_phase(struct r8a66597
*r8a66597
)
1300 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, 0);
1311 if (urb
->status
!= -EINPROGRESS
) {
1315 if (check_transfer_finish(td
, urb
))
1316 td
->type
= USB_PID_ACK
;
1319 if (urb
->status
!= -EINPROGRESS
)
1321 else if (urb
->transfer_buffer_length
== urb
->actual_length
) {
1322 td
->type
= USB_PID_ACK
;
1324 } else if (usb_pipeout(urb
->pipe
))
1325 td
->type
= USB_PID_OUT
;
1327 td
->type
= USB_PID_IN
;
1331 if (urb
->status
== -EINPROGRESS
)
1337 finish_request(r8a66597
, td
, 0, urb
);
1339 start_transfer(r8a66597
, td
);
1342 static void set_urb_error(struct r8a66597
*r8a66597
, u16 pipenum
)
1344 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1346 if (td
&& td
->urb
) {
1347 u16 pid
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
) & PID
;
1350 td
->urb
->status
= -ECONNRESET
;
1352 td
->urb
->status
= -EPIPE
;
1356 static void irq_pipe_ready(struct r8a66597
*r8a66597
)
1361 struct r8a66597_td
*td
;
1363 mask
= r8a66597_read(r8a66597
, BRDYSTS
)
1364 & r8a66597_read(r8a66597
, BRDYENB
);
1365 r8a66597_write(r8a66597
, ~mask
, BRDYSTS
);
1367 td
= r8a66597_get_td(r8a66597
, 0);
1368 if (td
&& td
->type
== USB_PID_IN
)
1369 packet_read(r8a66597
, 0);
1371 pipe_irq_disable(r8a66597
, 0);
1372 check_next_phase(r8a66597
);
1375 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1376 check
= 1 << pipenum
;
1378 td
= r8a66597_get_td(r8a66597
, pipenum
);
1382 if (td
->type
== USB_PID_IN
)
1383 packet_read(r8a66597
, pipenum
);
1384 else if (td
->type
== USB_PID_OUT
)
1385 packet_write(r8a66597
, pipenum
);
1390 static void irq_pipe_empty(struct r8a66597
*r8a66597
)
1396 struct r8a66597_td
*td
;
1398 mask
= r8a66597_read(r8a66597
, BEMPSTS
)
1399 & r8a66597_read(r8a66597
, BEMPENB
);
1400 r8a66597_write(r8a66597
, ~mask
, BEMPSTS
);
1402 cfifo_change(r8a66597
, 0);
1403 td
= r8a66597_get_td(r8a66597
, 0);
1404 if (td
&& td
->type
!= USB_PID_OUT
)
1405 disable_irq_empty(r8a66597
, 0);
1406 check_next_phase(r8a66597
);
1409 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1410 check
= 1 << pipenum
;
1412 struct r8a66597_td
*td
;
1413 td
= r8a66597_get_td(r8a66597
, pipenum
);
1417 tmp
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
);
1418 if ((tmp
& INBUFM
) == 0) {
1419 disable_irq_empty(r8a66597
, pipenum
);
1420 pipe_irq_disable(r8a66597
, pipenum
);
1421 if (td
->urb
->status
== -EINPROGRESS
)
1422 td
->urb
->status
= 0;
1423 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1429 static void irq_pipe_nrdy(struct r8a66597
*r8a66597
)
1435 mask
= r8a66597_read(r8a66597
, NRDYSTS
)
1436 & r8a66597_read(r8a66597
, NRDYENB
);
1437 r8a66597_write(r8a66597
, ~mask
, NRDYSTS
);
1439 cfifo_change(r8a66597
, 0);
1440 set_urb_error(r8a66597
, 0);
1441 pipe_irq_disable(r8a66597
, 0);
1442 check_next_phase(r8a66597
);
1445 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1446 check
= 1 << pipenum
;
1448 struct r8a66597_td
*td
;
1449 td
= r8a66597_get_td(r8a66597
, pipenum
);
1453 set_urb_error(r8a66597
, pipenum
);
1454 pipe_irq_disable(r8a66597
, pipenum
);
1455 pipe_stop(r8a66597
, td
->pipe
);
1456 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1461 static void start_root_hub_sampling(struct r8a66597
*r8a66597
, int port
)
1463 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1465 rh
->old_syssts
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1466 rh
->scount
= R8A66597_MAX_SAMPLING
;
1467 mod_timer(&r8a66597
->rh_timer
, jiffies
+ msecs_to_jiffies(50));
1470 static irqreturn_t
r8a66597_irq(struct usb_hcd
*hcd
)
1472 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1473 u16 intsts0
, intsts1
, intsts2
;
1474 u16 intenb0
, intenb1
, intenb2
;
1475 u16 mask0
, mask1
, mask2
;
1477 spin_lock(&r8a66597
->lock
);
1479 intsts0
= r8a66597_read(r8a66597
, INTSTS0
);
1480 intsts1
= r8a66597_read(r8a66597
, INTSTS1
);
1481 intsts2
= r8a66597_read(r8a66597
, INTSTS2
);
1482 intenb0
= r8a66597_read(r8a66597
, INTENB0
);
1483 intenb1
= r8a66597_read(r8a66597
, INTENB1
);
1484 intenb2
= r8a66597_read(r8a66597
, INTENB2
);
1486 mask2
= intsts2
& intenb2
;
1487 mask1
= intsts1
& intenb1
;
1488 mask0
= intsts0
& intenb0
& (BEMP
| NRDY
| BRDY
);
1490 if (mask2
& ATTCH
) {
1491 r8a66597_write(r8a66597
, ~ATTCH
, INTSTS2
);
1492 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB2
);
1494 /* start usb bus sampling */
1495 start_root_hub_sampling(r8a66597
, 1);
1498 r8a66597_write(r8a66597
, ~DTCH
, INTSTS2
);
1499 r8a66597_bclr(r8a66597
, DTCHE
, INTENB2
);
1500 r8a66597_usb_disconnect(r8a66597
, 1);
1505 if (mask1
& ATTCH
) {
1506 r8a66597_write(r8a66597
, ~ATTCH
, INTSTS1
);
1507 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB1
);
1509 /* start usb bus sampling */
1510 start_root_hub_sampling(r8a66597
, 0);
1513 r8a66597_write(r8a66597
, ~DTCH
, INTSTS1
);
1514 r8a66597_bclr(r8a66597
, DTCHE
, INTENB1
);
1515 r8a66597_usb_disconnect(r8a66597
, 0);
1518 r8a66597_write(r8a66597
, ~SIGN
, INTSTS1
);
1519 set_urb_error(r8a66597
, 0);
1520 check_next_phase(r8a66597
);
1523 r8a66597_write(r8a66597
, ~SACK
, INTSTS1
);
1524 check_next_phase(r8a66597
);
1529 irq_pipe_ready(r8a66597
);
1531 irq_pipe_empty(r8a66597
);
1533 irq_pipe_nrdy(r8a66597
);
1536 spin_unlock(&r8a66597
->lock
);
1540 /* this function must be called with interrupt disabled */
1541 static void r8a66597_root_hub_control(struct r8a66597
*r8a66597
, int port
)
1544 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1546 if (rh
->port
& (1 << USB_PORT_FEAT_RESET
)) {
1547 unsigned long dvstctr_reg
= get_dvstctr_reg(port
);
1549 tmp
= r8a66597_read(r8a66597
, dvstctr_reg
);
1550 if ((tmp
& USBRST
) == USBRST
) {
1551 r8a66597_mdfy(r8a66597
, UACT
, USBRST
| UACT
,
1553 mod_timer(&r8a66597
->rh_timer
,
1554 jiffies
+ msecs_to_jiffies(50));
1556 r8a66597_usb_connect(r8a66597
, port
);
1559 if (rh
->scount
> 0) {
1560 tmp
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1561 if (tmp
== rh
->old_syssts
) {
1563 if (rh
->scount
== 0) {
1564 if (tmp
== FS_JSTS
) {
1565 r8a66597_bset(r8a66597
, HSE
,
1566 get_syscfg_reg(port
));
1567 r8a66597_usb_preconnect(r8a66597
, port
);
1568 } else if (tmp
== LS_JSTS
) {
1569 r8a66597_bclr(r8a66597
, HSE
,
1570 get_syscfg_reg(port
));
1571 r8a66597_usb_preconnect(r8a66597
, port
);
1572 } else if (tmp
== SE0
)
1573 r8a66597_bset(r8a66597
, ATTCHE
,
1574 get_intenb_reg(port
));
1576 mod_timer(&r8a66597
->rh_timer
,
1577 jiffies
+ msecs_to_jiffies(50));
1580 rh
->scount
= R8A66597_MAX_SAMPLING
;
1581 rh
->old_syssts
= tmp
;
1582 mod_timer(&r8a66597
->rh_timer
,
1583 jiffies
+ msecs_to_jiffies(50));
1588 static void r8a66597_td_timer(unsigned long _r8a66597
)
1590 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1591 unsigned long flags
;
1593 struct r8a66597_td
*td
, *new_td
= NULL
;
1594 struct r8a66597_pipe
*pipe
;
1596 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1597 for (pipenum
= 0; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1598 if (!(r8a66597
->timeout_map
& (1 << pipenum
)))
1600 if (timer_pending(&r8a66597
->td_timer
[pipenum
]))
1603 td
= r8a66597_get_td(r8a66597
, pipenum
);
1605 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1609 if (td
->urb
->actual_length
) {
1610 set_td_timer(r8a66597
, td
);
1615 pipe_stop(r8a66597
, pipe
);
1619 list_move_tail(&new_td
->queue
,
1620 &r8a66597
->pipe_queue
[pipenum
]);
1621 new_td
= r8a66597_get_td(r8a66597
, pipenum
);
1626 } while (td
!= new_td
&& td
->address
== new_td
->address
);
1628 start_transfer(r8a66597
, new_td
);
1631 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1633 set_td_timer(r8a66597
, new_td
);
1636 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1639 static void r8a66597_timer(unsigned long _r8a66597
)
1641 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1642 unsigned long flags
;
1644 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1646 r8a66597_root_hub_control(r8a66597
, 0);
1647 r8a66597_root_hub_control(r8a66597
, 1);
1649 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1652 static int check_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
1654 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
1656 if (dev
&& dev
->address
&& dev
->state
!= USB_STATE_CONFIGURED
&&
1657 (urb
->dev
->state
== USB_STATE_CONFIGURED
))
1663 static int r8a66597_start(struct usb_hcd
*hcd
)
1665 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1667 hcd
->state
= HC_STATE_RUNNING
;
1668 return enable_controller(r8a66597
);
1671 static void r8a66597_stop(struct usb_hcd
*hcd
)
1673 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1675 disable_controller(r8a66597
);
1678 static void set_address_zero(struct r8a66597
*r8a66597
, struct urb
*urb
)
1680 unsigned int usb_address
= usb_pipedevice(urb
->pipe
);
1681 u16 root_port
, hub_port
;
1683 if (usb_address
== 0) {
1684 get_port_number(urb
->dev
->devpath
,
1685 &root_port
, &hub_port
);
1686 set_devadd_reg(r8a66597
, 0,
1687 get_r8a66597_usb_speed(urb
->dev
->speed
),
1688 get_parent_r8a66597_address(r8a66597
, urb
->dev
),
1689 hub_port
, root_port
);
1693 static struct r8a66597_td
*r8a66597_make_td(struct r8a66597
*r8a66597
,
1695 struct usb_host_endpoint
*hep
)
1697 struct r8a66597_td
*td
;
1700 td
= kzalloc(sizeof(struct r8a66597_td
), GFP_ATOMIC
);
1704 pipenum
= r8a66597_get_pipenum(urb
, hep
);
1705 td
->pipenum
= pipenum
;
1706 td
->pipe
= hep
->hcpriv
;
1708 td
->address
= get_urb_to_r8a66597_addr(r8a66597
, urb
);
1709 td
->maxpacket
= usb_maxpacket(urb
->dev
, urb
->pipe
,
1710 !usb_pipein(urb
->pipe
));
1711 if (usb_pipecontrol(urb
->pipe
))
1712 td
->type
= USB_PID_SETUP
;
1713 else if (usb_pipein(urb
->pipe
))
1714 td
->type
= USB_PID_IN
;
1716 td
->type
= USB_PID_OUT
;
1717 INIT_LIST_HEAD(&td
->queue
);
1722 static int r8a66597_urb_enqueue(struct usb_hcd
*hcd
,
1726 struct usb_host_endpoint
*hep
= urb
->ep
;
1727 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1728 struct r8a66597_td
*td
= NULL
;
1729 int ret
, request
= 0;
1730 unsigned long flags
;
1732 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1733 if (!get_urb_to_r8a66597_dev(r8a66597
, urb
)) {
1735 goto error_not_linked
;
1738 ret
= usb_hcd_link_urb_to_ep(hcd
, urb
);
1740 goto error_not_linked
;
1743 hep
->hcpriv
= kzalloc(sizeof(struct r8a66597_pipe
),
1749 set_pipe_reg_addr(hep
->hcpriv
, R8A66597_PIPE_NO_DMA
);
1750 if (usb_pipeendpoint(urb
->pipe
))
1751 init_pipe_info(r8a66597
, urb
, hep
, &hep
->desc
);
1754 if (unlikely(check_pipe_config(r8a66597
, urb
)))
1755 init_pipe_config(r8a66597
, urb
);
1757 set_address_zero(r8a66597
, urb
);
1758 td
= r8a66597_make_td(r8a66597
, urb
, hep
);
1763 if (list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]))
1765 list_add_tail(&td
->queue
, &r8a66597
->pipe_queue
[td
->pipenum
]);
1769 ret
= start_transfer(r8a66597
, td
);
1771 list_del(&td
->queue
);
1775 set_td_timer(r8a66597
, td
);
1779 usb_hcd_unlink_urb_from_ep(hcd
, urb
);
1781 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1785 static int r8a66597_urb_dequeue(struct usb_hcd
*hcd
, struct urb
*urb
,
1788 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1789 struct r8a66597_td
*td
;
1790 unsigned long flags
;
1793 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1794 rc
= usb_hcd_check_unlink_urb(hcd
, urb
, status
);
1800 pipe_stop(r8a66597
, td
->pipe
);
1801 pipe_irq_disable(r8a66597
, td
->pipenum
);
1802 disable_irq_empty(r8a66597
, td
->pipenum
);
1803 finish_request(r8a66597
, td
, td
->pipenum
, urb
);
1806 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1810 static void r8a66597_endpoint_disable(struct usb_hcd
*hcd
,
1811 struct usb_host_endpoint
*hep
)
1813 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1814 struct r8a66597_pipe
*pipe
= (struct r8a66597_pipe
*)hep
->hcpriv
;
1815 struct r8a66597_td
*td
;
1816 struct urb
*urb
= NULL
;
1818 unsigned long flags
;
1822 pipenum
= pipe
->info
.pipenum
;
1830 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1831 pipe_stop(r8a66597
, pipe
);
1832 pipe_irq_disable(r8a66597
, pipenum
);
1833 disable_irq_empty(r8a66597
, pipenum
);
1834 td
= r8a66597_get_td(r8a66597
, pipenum
);
1837 finish_request(r8a66597
, td
, pipenum
, urb
);
1840 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1843 static int r8a66597_get_frame(struct usb_hcd
*hcd
)
1845 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1846 return r8a66597_read(r8a66597
, FRMNUM
) & 0x03FF;
1849 static void collect_usb_address_map(struct usb_device
*udev
, unsigned long *map
)
1853 if (udev
->state
== USB_STATE_CONFIGURED
&&
1854 udev
->parent
&& udev
->parent
->devnum
> 1 &&
1855 udev
->parent
->descriptor
.bDeviceClass
== USB_CLASS_HUB
)
1856 map
[udev
->devnum
/32] |= (1 << (udev
->devnum
% 32));
1858 for (chix
= 0; chix
< udev
->maxchild
; chix
++) {
1859 struct usb_device
*childdev
= udev
->children
[chix
];
1862 collect_usb_address_map(childdev
, map
);
1866 /* this function must be called with interrupt disabled */
1867 static struct r8a66597_device
*get_r8a66597_device(struct r8a66597
*r8a66597
,
1870 struct r8a66597_device
*dev
;
1871 struct list_head
*list
= &r8a66597
->child_device
;
1873 list_for_each_entry(dev
, list
, device_list
) {
1876 if (dev
->usb_address
!= addr
)
1882 err("get_r8a66597_device fail.(%d)\n", addr
);
1886 static void update_usb_address_map(struct r8a66597
*r8a66597
,
1887 struct usb_device
*root_hub
,
1892 unsigned long flags
;
1894 for (i
= 0; i
< 4; i
++) {
1895 diff
= r8a66597
->child_connect_map
[i
] ^ map
[i
];
1899 for (j
= 0; j
< 32; j
++) {
1900 if (!(diff
& (1 << j
)))
1904 if (map
[i
] & (1 << j
))
1905 set_child_connect_map(r8a66597
, addr
);
1907 struct r8a66597_device
*dev
;
1909 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1910 dev
= get_r8a66597_device(r8a66597
, addr
);
1911 disable_r8a66597_pipe_all(r8a66597
, dev
);
1912 free_usb_address(r8a66597
, dev
);
1913 put_child_connect_map(r8a66597
, addr
);
1914 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1920 static void r8a66597_check_detect_child(struct r8a66597
*r8a66597
,
1921 struct usb_hcd
*hcd
)
1923 struct usb_bus
*bus
;
1924 unsigned long now_map
[4];
1926 memset(now_map
, 0, sizeof(now_map
));
1928 list_for_each_entry(bus
, &usb_bus_list
, bus_list
) {
1932 if (bus
->busnum
!= hcd
->self
.busnum
)
1935 collect_usb_address_map(bus
->root_hub
, now_map
);
1936 update_usb_address_map(r8a66597
, bus
->root_hub
, now_map
);
1940 static int r8a66597_hub_status_data(struct usb_hcd
*hcd
, char *buf
)
1942 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1943 unsigned long flags
;
1946 r8a66597_check_detect_child(r8a66597
, hcd
);
1948 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1950 *buf
= 0; /* initialize (no change) */
1952 for (i
= 0; i
< R8A66597_MAX_ROOT_HUB
; i
++) {
1953 if (r8a66597
->root_hub
[i
].port
& 0xffff0000)
1954 *buf
|= 1 << (i
+ 1);
1957 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1962 static void r8a66597_hub_descriptor(struct r8a66597
*r8a66597
,
1963 struct usb_hub_descriptor
*desc
)
1965 desc
->bDescriptorType
= 0x29;
1966 desc
->bHubContrCurrent
= 0;
1967 desc
->bNbrPorts
= R8A66597_MAX_ROOT_HUB
;
1968 desc
->bDescLength
= 9;
1969 desc
->bPwrOn2PwrGood
= 0;
1970 desc
->wHubCharacteristics
= cpu_to_le16(0x0011);
1971 desc
->bitmap
[0] = ((1 << R8A66597_MAX_ROOT_HUB
) - 1) << 1;
1972 desc
->bitmap
[1] = ~0;
1975 static int r8a66597_hub_control(struct usb_hcd
*hcd
, u16 typeReq
, u16 wValue
,
1976 u16 wIndex
, char *buf
, u16 wLength
)
1978 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1980 int port
= (wIndex
& 0x00FF) - 1;
1981 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1982 unsigned long flags
;
1986 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1988 case ClearHubFeature
:
1991 case C_HUB_OVER_CURRENT
:
1992 case C_HUB_LOCAL_POWER
:
1998 case ClearPortFeature
:
1999 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2005 case USB_PORT_FEAT_ENABLE
:
2006 rh
->port
&= (1 << USB_PORT_FEAT_POWER
);
2008 case USB_PORT_FEAT_SUSPEND
:
2010 case USB_PORT_FEAT_POWER
:
2011 r8a66597_port_power(r8a66597
, port
, 0);
2013 case USB_PORT_FEAT_C_ENABLE
:
2014 case USB_PORT_FEAT_C_SUSPEND
:
2015 case USB_PORT_FEAT_C_CONNECTION
:
2016 case USB_PORT_FEAT_C_OVER_CURRENT
:
2017 case USB_PORT_FEAT_C_RESET
:
2022 rh
->port
&= ~(1 << wValue
);
2024 case GetHubDescriptor
:
2025 r8a66597_hub_descriptor(r8a66597
,
2026 (struct usb_hub_descriptor
*)buf
);
2032 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2034 *(u32
*)buf
= rh
->port
;
2036 case SetPortFeature
:
2037 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2043 case USB_PORT_FEAT_SUSPEND
:
2045 case USB_PORT_FEAT_POWER
:
2046 r8a66597_port_power(r8a66597
, port
, 1);
2047 rh
->port
|= (1 << USB_PORT_FEAT_POWER
);
2049 case USB_PORT_FEAT_RESET
: {
2050 struct r8a66597_device
*dev
= rh
->dev
;
2052 rh
->port
|= (1 << USB_PORT_FEAT_RESET
);
2054 disable_r8a66597_pipe_all(r8a66597
, dev
);
2055 free_usb_address(r8a66597
, dev
);
2057 r8a66597_mdfy(r8a66597
, USBRST
, USBRST
| UACT
,
2058 get_dvstctr_reg(port
));
2059 mod_timer(&r8a66597
->rh_timer
,
2060 jiffies
+ msecs_to_jiffies(50));
2066 rh
->port
|= 1 << wValue
;
2074 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
2078 static struct hc_driver r8a66597_hc_driver
= {
2079 .description
= hcd_name
,
2080 .hcd_priv_size
= sizeof(struct r8a66597
),
2081 .irq
= r8a66597_irq
,
2084 * generic hardware linkage
2088 .start
= r8a66597_start
,
2089 .stop
= r8a66597_stop
,
2092 * managing i/o requests and associated device resources
2094 .urb_enqueue
= r8a66597_urb_enqueue
,
2095 .urb_dequeue
= r8a66597_urb_dequeue
,
2096 .endpoint_disable
= r8a66597_endpoint_disable
,
2099 * periodic schedule support
2101 .get_frame_number
= r8a66597_get_frame
,
2106 .hub_status_data
= r8a66597_hub_status_data
,
2107 .hub_control
= r8a66597_hub_control
,
2110 #if defined(CONFIG_PM)
2111 static int r8a66597_suspend(struct platform_device
*pdev
, pm_message_t state
)
2113 pdev
->dev
.power
.power_state
= state
;
2117 static int r8a66597_resume(struct platform_device
*pdev
)
2119 pdev
->dev
.power
.power_state
= PMSG_ON
;
2122 #else /* if defined(CONFIG_PM) */
2123 #define r8a66597_suspend NULL
2124 #define r8a66597_resume NULL
2127 static int __init_or_module
r8a66597_remove(struct platform_device
*pdev
)
2129 struct r8a66597
*r8a66597
= dev_get_drvdata(&pdev
->dev
);
2130 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
2132 del_timer_sync(&r8a66597
->rh_timer
);
2133 iounmap((void *)r8a66597
->reg
);
2134 usb_remove_hcd(hcd
);
2139 #define resource_len(r) (((r)->end - (r)->start) + 1)
2140 static int __init
r8a66597_probe(struct platform_device
*pdev
)
2142 struct resource
*res
= NULL
;
2144 void __iomem
*reg
= NULL
;
2145 struct usb_hcd
*hcd
= NULL
;
2146 struct r8a66597
*r8a66597
;
2150 if (pdev
->dev
.dma_mask
) {
2152 err("dma not support");
2156 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
,
2160 err("platform_get_resource_byname error.");
2164 irq
= platform_get_irq(pdev
, 0);
2167 err("platform_get_irq error.");
2171 reg
= ioremap(res
->start
, resource_len(res
));
2174 err("ioremap error.");
2178 /* initialize hcd */
2179 hcd
= usb_create_hcd(&r8a66597_hc_driver
, &pdev
->dev
, (char *)hcd_name
);
2182 err("Failed to create hcd");
2185 r8a66597
= hcd_to_r8a66597(hcd
);
2186 memset(r8a66597
, 0, sizeof(struct r8a66597
));
2187 dev_set_drvdata(&pdev
->dev
, r8a66597
);
2189 spin_lock_init(&r8a66597
->lock
);
2190 init_timer(&r8a66597
->rh_timer
);
2191 r8a66597
->rh_timer
.function
= r8a66597_timer
;
2192 r8a66597
->rh_timer
.data
= (unsigned long)r8a66597
;
2193 r8a66597
->reg
= (unsigned long)reg
;
2195 for (i
= 0; i
< R8A66597_MAX_NUM_PIPE
; i
++) {
2196 INIT_LIST_HEAD(&r8a66597
->pipe_queue
[i
]);
2197 init_timer(&r8a66597
->td_timer
[i
]);
2198 r8a66597
->td_timer
[i
].function
= r8a66597_td_timer
;
2199 r8a66597
->td_timer
[i
].data
= (unsigned long)r8a66597
;
2201 INIT_LIST_HEAD(&r8a66597
->child_device
);
2203 hcd
->rsrc_start
= res
->start
;
2204 ret
= usb_add_hcd(hcd
, irq
, 0);
2206 err("Failed to add hcd");
2219 static struct platform_driver r8a66597_driver
= {
2220 .probe
= r8a66597_probe
,
2221 .remove
= r8a66597_remove
,
2222 .suspend
= r8a66597_suspend
,
2223 .resume
= r8a66597_resume
,
2225 .name
= (char *) hcd_name
,
2229 static int __init
r8a66597_init(void)
2234 info("driver %s, %s", hcd_name
, DRIVER_VERSION
);
2235 return platform_driver_register(&r8a66597_driver
);
2237 module_init(r8a66597_init
);
2239 static void __exit
r8a66597_cleanup(void)
2241 platform_driver_unregister(&r8a66597_driver
);
2243 module_exit(r8a66597_cleanup
);