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>
41 #include <asm/system.h>
43 #include "../core/hcd.h"
46 MODULE_DESCRIPTION("R8A66597 USB Host Controller Driver");
47 MODULE_LICENSE("GPL");
48 MODULE_AUTHOR("Yoshihiro Shimoda");
50 #define DRIVER_VERSION "9 May 2007"
52 static const char hcd_name
[] = "r8a66597_hcd";
54 /* module parameters */
55 static unsigned short clock
= XTAL12
;
56 module_param(clock
, ushort
, 0644);
57 MODULE_PARM_DESC(clock
, "input clock: 48MHz=32768, 24MHz=16384, 12MHz=0(default=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)");
61 static unsigned short endian
= 0;
62 module_param(endian
, ushort
, 0644);
63 MODULE_PARM_DESC(endian
, "data endian: big=256, little=0(default=0)");
64 static unsigned short irq_sense
= INTL
;
65 module_param(irq_sense
, ushort
, 0644);
66 MODULE_PARM_DESC(irq_sense
, "IRQ sense: low level=32, falling edge=0(default=32)");
68 static void packet_write(struct r8a66597
*r8a66597
, u16 pipenum
);
69 static int r8a66597_get_frame(struct usb_hcd
*hcd
);
71 /* this function must be called with interrupt disabled */
72 static void enable_pipe_irq(struct r8a66597
*r8a66597
, u16 pipenum
,
77 tmp
= r8a66597_read(r8a66597
, INTENB0
);
78 r8a66597_bclr(r8a66597
, BEMPE
| NRDYE
| BRDYE
, INTENB0
);
79 r8a66597_bset(r8a66597
, 1 << pipenum
, reg
);
80 r8a66597_write(r8a66597
, tmp
, INTENB0
);
83 /* this function must be called with interrupt disabled */
84 static void disable_pipe_irq(struct r8a66597
*r8a66597
, u16 pipenum
,
89 tmp
= r8a66597_read(r8a66597
, INTENB0
);
90 r8a66597_bclr(r8a66597
, BEMPE
| NRDYE
| BRDYE
, INTENB0
);
91 r8a66597_bclr(r8a66597
, 1 << pipenum
, reg
);
92 r8a66597_write(r8a66597
, tmp
, INTENB0
);
95 static void set_devadd_reg(struct r8a66597
*r8a66597
, u8 r8a66597_address
,
96 u16 usbspd
, u8 upphub
, u8 hubport
, int port
)
99 unsigned long devadd_reg
= get_devadd_addr(r8a66597_address
);
101 val
= (upphub
<< 11) | (hubport
<< 8) | (usbspd
<< 6) | (port
& 0x0001);
102 r8a66597_write(r8a66597
, val
, devadd_reg
);
105 static int enable_controller(struct r8a66597
*r8a66597
)
111 r8a66597_write(r8a66597
, USBE
, SYSCFG0
);
112 tmp
= r8a66597_read(r8a66597
, SYSCFG0
);
114 err("register access fail.");
117 } while ((tmp
& USBE
) != USBE
);
118 r8a66597_bclr(r8a66597
, USBE
, SYSCFG0
);
119 r8a66597_mdfy(r8a66597
, clock
, XTAL
, SYSCFG0
);
122 r8a66597_bset(r8a66597
, XCKE
, SYSCFG0
);
125 tmp
= r8a66597_read(r8a66597
, SYSCFG0
);
127 err("register access fail.");
130 } while ((tmp
& SCKE
) != SCKE
);
132 r8a66597_bset(r8a66597
, DCFM
| DRPD
, SYSCFG0
);
133 r8a66597_bset(r8a66597
, DRPD
, SYSCFG1
);
135 r8a66597_bset(r8a66597
, vif
& LDRV
, PINCFG
);
136 r8a66597_bset(r8a66597
, HSE
, SYSCFG0
);
137 r8a66597_bset(r8a66597
, HSE
, SYSCFG1
);
138 r8a66597_bset(r8a66597
, USBE
, SYSCFG0
);
140 r8a66597_bset(r8a66597
, BEMPE
| NRDYE
| BRDYE
, INTENB0
);
141 r8a66597_bset(r8a66597
, irq_sense
& INTL
, SOFCFG
);
142 r8a66597_bset(r8a66597
, BRDY0
, BRDYENB
);
143 r8a66597_bset(r8a66597
, BEMP0
, BEMPENB
);
145 r8a66597_write(r8a66597
, BURST
| CPU_ADR_RD_WR
, DMA0CFG
);
146 r8a66597_write(r8a66597
, BURST
| CPU_ADR_RD_WR
, DMA1CFG
);
148 r8a66597_bset(r8a66597
, endian
& BIGEND
, CFIFOSEL
);
149 r8a66597_bset(r8a66597
, endian
& BIGEND
, D0FIFOSEL
);
150 r8a66597_bset(r8a66597
, endian
& BIGEND
, D1FIFOSEL
);
152 r8a66597_bset(r8a66597
, TRNENSEL
, SOFCFG
);
154 r8a66597_bset(r8a66597
, SIGNE
| SACKE
, INTENB1
);
155 r8a66597_bclr(r8a66597
, DTCHE
, INTENB1
);
156 r8a66597_bset(r8a66597
, ATTCHE
, INTENB1
);
157 r8a66597_bclr(r8a66597
, DTCHE
, INTENB2
);
158 r8a66597_bset(r8a66597
, ATTCHE
, INTENB2
);
163 static void disable_controller(struct r8a66597
*r8a66597
)
167 r8a66597_write(r8a66597
, 0, INTENB0
);
168 r8a66597_write(r8a66597
, 0, INTENB1
);
169 r8a66597_write(r8a66597
, 0, INTENB2
);
170 r8a66597_write(r8a66597
, 0, INTSTS0
);
171 r8a66597_write(r8a66597
, 0, INTSTS1
);
172 r8a66597_write(r8a66597
, 0, INTSTS2
);
174 r8a66597_port_power(r8a66597
, 0, 0);
175 r8a66597_port_power(r8a66597
, 1, 0);
178 tmp
= r8a66597_read(r8a66597
, SOFCFG
) & EDGESTS
;
180 } while (tmp
== EDGESTS
);
182 r8a66597_bclr(r8a66597
, DCFM
| DRPD
, SYSCFG0
);
183 r8a66597_bclr(r8a66597
, DRPD
, SYSCFG1
);
184 r8a66597_bclr(r8a66597
, HSE
, SYSCFG0
);
185 r8a66597_bclr(r8a66597
, HSE
, SYSCFG1
);
187 r8a66597_bclr(r8a66597
, SCKE
, SYSCFG0
);
189 r8a66597_bclr(r8a66597
, PLLC
, SYSCFG0
);
190 r8a66597_bclr(r8a66597
, XCKE
, SYSCFG0
);
191 r8a66597_bclr(r8a66597
, USBE
, SYSCFG0
);
194 static int get_parent_r8a66597_address(struct r8a66597
*r8a66597
,
195 struct usb_device
*udev
)
197 struct r8a66597_device
*dev
;
199 if (udev
->parent
&& udev
->parent
->devnum
!= 1)
202 dev
= dev_get_drvdata(&udev
->dev
);
209 static int is_child_device(char *devpath
)
211 return (devpath
[2] ? 1 : 0);
214 static int is_hub_limit(char *devpath
)
216 return ((strlen(devpath
) >= 4) ? 1 : 0);
219 static void get_port_number(char *devpath
, u16
*root_port
, u16
*hub_port
)
222 *root_port
= (devpath
[0] & 0x0F) - 1;
223 if (*root_port
>= R8A66597_MAX_ROOT_HUB
)
224 err("illegal root port number");
227 *hub_port
= devpath
[2] & 0x0F;
230 static u16
get_r8a66597_usb_speed(enum usb_device_speed speed
)
245 err("unknown speed");
252 static void set_child_connect_map(struct r8a66597
*r8a66597
, int address
)
257 r8a66597
->child_connect_map
[idx
] |= 1 << (address
% 32);
260 static void put_child_connect_map(struct r8a66597
*r8a66597
, int address
)
265 r8a66597
->child_connect_map
[idx
] &= ~(1 << (address
% 32));
268 static void set_pipe_reg_addr(struct r8a66597_pipe
*pipe
, u8 dma_ch
)
270 u16 pipenum
= pipe
->info
.pipenum
;
271 unsigned long fifoaddr
[] = {D0FIFO
, D1FIFO
, CFIFO
};
272 unsigned long fifosel
[] = {D0FIFOSEL
, D1FIFOSEL
, CFIFOSEL
};
273 unsigned long fifoctr
[] = {D0FIFOCTR
, D1FIFOCTR
, CFIFOCTR
};
275 if (dma_ch
> R8A66597_PIPE_NO_DMA
) /* dma fifo not use? */
276 dma_ch
= R8A66597_PIPE_NO_DMA
;
278 pipe
->fifoaddr
= fifoaddr
[dma_ch
];
279 pipe
->fifosel
= fifosel
[dma_ch
];
280 pipe
->fifoctr
= fifoctr
[dma_ch
];
283 pipe
->pipectr
= DCPCTR
;
285 pipe
->pipectr
= get_pipectr_addr(pipenum
);
287 if (check_bulk_or_isoc(pipenum
)) {
288 pipe
->pipetre
= get_pipetre_addr(pipenum
);
289 pipe
->pipetrn
= get_pipetrn_addr(pipenum
);
296 static struct r8a66597_device
*
297 get_urb_to_r8a66597_dev(struct r8a66597
*r8a66597
, struct urb
*urb
)
299 if (usb_pipedevice(urb
->pipe
) == 0)
300 return &r8a66597
->device0
;
302 return dev_get_drvdata(&urb
->dev
->dev
);
305 static int make_r8a66597_device(struct r8a66597
*r8a66597
,
306 struct urb
*urb
, u8 addr
)
308 struct r8a66597_device
*dev
;
309 int usb_address
= urb
->setup_packet
[2]; /* urb->pipe is address 0 */
311 dev
= kzalloc(sizeof(struct r8a66597_device
), GFP_KERNEL
);
315 dev_set_drvdata(&urb
->dev
->dev
, dev
);
316 dev
->udev
= urb
->dev
;
318 dev
->usb_address
= usb_address
;
319 dev
->state
= USB_STATE_ADDRESS
;
320 dev
->ep_in_toggle
= 0;
321 dev
->ep_out_toggle
= 0;
322 INIT_LIST_HEAD(&dev
->device_list
);
323 list_add_tail(&dev
->device_list
, &r8a66597
->child_device
);
325 get_port_number(urb
->dev
->devpath
, &dev
->root_port
, &dev
->hub_port
);
326 if (!is_child_device(urb
->dev
->devpath
))
327 r8a66597
->root_hub
[dev
->root_port
].dev
= dev
;
329 set_devadd_reg(r8a66597
, dev
->address
,
330 get_r8a66597_usb_speed(urb
->dev
->speed
),
331 get_parent_r8a66597_address(r8a66597
, urb
->dev
),
332 dev
->hub_port
, dev
->root_port
);
337 /* this function must be called with interrupt disabled */
338 static u8
alloc_usb_address(struct r8a66597
*r8a66597
, struct urb
*urb
)
340 u8 addr
; /* R8A66597's address */
341 struct r8a66597_device
*dev
;
343 if (is_hub_limit(urb
->dev
->devpath
)) {
344 err("Externel hub limit reached.");
348 dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
349 if (dev
&& dev
->state
>= USB_STATE_ADDRESS
)
352 for (addr
= 1; addr
<= R8A66597_MAX_DEVICE
; addr
++) {
353 if (r8a66597
->address_map
& (1 << addr
))
356 dbg("alloc_address: r8a66597_addr=%d", addr
);
357 r8a66597
->address_map
|= 1 << addr
;
359 if (make_r8a66597_device(r8a66597
, urb
, addr
) < 0)
365 err("cannot communicate with a USB device more than 10.(%x)",
366 r8a66597
->address_map
);
371 /* this function must be called with interrupt disabled */
372 static void free_usb_address(struct r8a66597
*r8a66597
,
373 struct r8a66597_device
*dev
)
380 dbg("free_addr: addr=%d", dev
->address
);
382 dev
->state
= USB_STATE_DEFAULT
;
383 r8a66597
->address_map
&= ~(1 << dev
->address
);
385 dev_set_drvdata(&dev
->udev
->dev
, NULL
);
386 list_del(&dev
->device_list
);
389 for (port
= 0; port
< R8A66597_MAX_ROOT_HUB
; port
++) {
390 if (r8a66597
->root_hub
[port
].dev
== dev
) {
391 r8a66597
->root_hub
[port
].dev
= NULL
;
397 static void r8a66597_reg_wait(struct r8a66597
*r8a66597
, unsigned long reg
,
404 tmp
= r8a66597_read(r8a66597
, reg
);
406 err("register%lx, loop %x is timeout", reg
, loop
);
410 } while ((tmp
& mask
) != loop
);
413 /* this function must be called with interrupt disabled */
414 static void pipe_start(struct r8a66597
*r8a66597
, struct r8a66597_pipe
*pipe
)
418 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
) & PID
;
419 if ((pipe
->info
.pipenum
!= 0) & ((tmp
& PID_STALL
) != 0)) /* stall? */
420 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
, pipe
->pipectr
);
421 r8a66597_mdfy(r8a66597
, PID_BUF
, PID
, pipe
->pipectr
);
424 /* this function must be called with interrupt disabled */
425 static void pipe_stop(struct r8a66597
*r8a66597
, struct r8a66597_pipe
*pipe
)
429 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
) & PID
;
430 if ((tmp
& PID_STALL11
) != PID_STALL11
) /* force stall? */
431 r8a66597_mdfy(r8a66597
, PID_STALL
, PID
, pipe
->pipectr
);
432 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
, pipe
->pipectr
);
433 r8a66597_reg_wait(r8a66597
, pipe
->pipectr
, PBUSY
, 0);
436 /* this function must be called with interrupt disabled */
437 static void clear_all_buffer(struct r8a66597
*r8a66597
,
438 struct r8a66597_pipe
*pipe
)
442 if (!pipe
|| pipe
->info
.pipenum
== 0)
445 pipe_stop(r8a66597
, pipe
);
446 r8a66597_bset(r8a66597
, ACLRM
, pipe
->pipectr
);
447 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
);
448 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
);
449 tmp
= r8a66597_read(r8a66597
, pipe
->pipectr
);
450 r8a66597_bclr(r8a66597
, ACLRM
, pipe
->pipectr
);
453 /* this function must be called with interrupt disabled */
454 static void r8a66597_pipe_toggle(struct r8a66597
*r8a66597
,
455 struct r8a66597_pipe
*pipe
, int toggle
)
458 r8a66597_bset(r8a66597
, SQSET
, pipe
->pipectr
);
460 r8a66597_bset(r8a66597
, SQCLR
, pipe
->pipectr
);
463 /* this function must be called with interrupt disabled */
464 static inline void cfifo_change(struct r8a66597
*r8a66597
, u16 pipenum
)
466 r8a66597_mdfy(r8a66597
, MBW
| pipenum
, MBW
| CURPIPE
, CFIFOSEL
);
467 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, pipenum
);
470 /* this function must be called with interrupt disabled */
471 static inline void fifo_change_from_pipe(struct r8a66597
*r8a66597
,
472 struct r8a66597_pipe
*pipe
)
474 cfifo_change(r8a66597
, 0);
475 r8a66597_mdfy(r8a66597
, MBW
| 0, MBW
| CURPIPE
, D0FIFOSEL
);
476 r8a66597_mdfy(r8a66597
, MBW
| 0, MBW
| CURPIPE
, D1FIFOSEL
);
478 r8a66597_mdfy(r8a66597
, MBW
| pipe
->info
.pipenum
, MBW
| CURPIPE
,
480 r8a66597_reg_wait(r8a66597
, pipe
->fifosel
, CURPIPE
, pipe
->info
.pipenum
);
483 static u16
r8a66597_get_pipenum(struct urb
*urb
, struct usb_host_endpoint
*hep
)
485 struct r8a66597_pipe
*pipe
= hep
->hcpriv
;
487 if (usb_pipeendpoint(urb
->pipe
) == 0)
490 return pipe
->info
.pipenum
;
493 static u16
get_urb_to_r8a66597_addr(struct r8a66597
*r8a66597
, struct urb
*urb
)
495 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
497 return (usb_pipedevice(urb
->pipe
) == 0) ? 0 : dev
->address
;
500 static unsigned short *get_toggle_pointer(struct r8a66597_device
*dev
,
506 return usb_pipein(urb_pipe
) ? &dev
->ep_in_toggle
: &dev
->ep_out_toggle
;
509 /* this function must be called with interrupt disabled */
510 static void pipe_toggle_set(struct r8a66597
*r8a66597
,
511 struct r8a66597_pipe
*pipe
,
512 struct urb
*urb
, int set
)
514 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
515 unsigned char endpoint
= usb_pipeendpoint(urb
->pipe
);
516 unsigned short *toggle
= get_toggle_pointer(dev
, urb
->pipe
);
522 *toggle
|= 1 << endpoint
;
524 *toggle
&= ~(1 << endpoint
);
527 /* this function must be called with interrupt disabled */
528 static void pipe_toggle_save(struct r8a66597
*r8a66597
,
529 struct r8a66597_pipe
*pipe
,
532 if (r8a66597_read(r8a66597
, pipe
->pipectr
) & SQMON
)
533 pipe_toggle_set(r8a66597
, pipe
, urb
, 1);
535 pipe_toggle_set(r8a66597
, pipe
, urb
, 0);
538 /* this function must be called with interrupt disabled */
539 static void pipe_toggle_restore(struct r8a66597
*r8a66597
,
540 struct r8a66597_pipe
*pipe
,
543 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
544 unsigned char endpoint
= usb_pipeendpoint(urb
->pipe
);
545 unsigned short *toggle
= get_toggle_pointer(dev
, urb
->pipe
);
547 r8a66597_pipe_toggle(r8a66597
, pipe
, *toggle
& (1 << endpoint
));
550 /* this function must be called with interrupt disabled */
551 static void pipe_buffer_setting(struct r8a66597
*r8a66597
,
552 struct r8a66597_pipe_info
*info
)
556 if (info
->pipenum
== 0)
559 r8a66597_bset(r8a66597
, ACLRM
, get_pipectr_addr(info
->pipenum
));
560 r8a66597_bclr(r8a66597
, ACLRM
, get_pipectr_addr(info
->pipenum
));
561 r8a66597_write(r8a66597
, info
->pipenum
, PIPESEL
);
564 if (info
->type
== R8A66597_BULK
&& info
->dir_in
)
565 val
|= R8A66597_DBLB
| R8A66597_SHTNAK
;
566 val
|= info
->type
| info
->epnum
;
567 r8a66597_write(r8a66597
, val
, PIPECFG
);
569 r8a66597_write(r8a66597
, (info
->buf_bsize
<< 10) | (info
->bufnum
),
571 r8a66597_write(r8a66597
, make_devsel(info
->address
) | info
->maxpacket
,
575 r8a66597_write(r8a66597
, info
->interval
, PIPEPERI
);
580 /* this function must be called with interrupt disabled */
581 static void pipe_setting(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
583 struct r8a66597_pipe_info
*info
;
584 struct urb
*urb
= td
->urb
;
586 if (td
->pipenum
> 0) {
587 info
= &td
->pipe
->info
;
588 cfifo_change(r8a66597
, 0);
589 pipe_buffer_setting(r8a66597
, info
);
591 if (!usb_gettoggle(urb
->dev
, usb_pipeendpoint(urb
->pipe
),
592 usb_pipeout(urb
->pipe
)) &&
593 !usb_pipecontrol(urb
->pipe
)) {
594 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 0);
595 pipe_toggle_set(r8a66597
, td
->pipe
, urb
, 0);
596 clear_all_buffer(r8a66597
, td
->pipe
);
597 usb_settoggle(urb
->dev
, usb_pipeendpoint(urb
->pipe
),
598 usb_pipeout(urb
->pipe
), 1);
600 pipe_toggle_restore(r8a66597
, td
->pipe
, urb
);
604 /* this function must be called with interrupt disabled */
605 static u16
get_empty_pipenum(struct r8a66597
*r8a66597
,
606 struct usb_endpoint_descriptor
*ep
)
608 u16 array
[R8A66597_MAX_NUM_PIPE
], i
= 0, min
;
610 memset(array
, 0, sizeof(array
));
611 switch(ep
->bmAttributes
& USB_ENDPOINT_XFERTYPE_MASK
) {
612 case USB_ENDPOINT_XFER_BULK
:
613 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
620 case USB_ENDPOINT_XFER_INT
:
621 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
) {
628 case USB_ENDPOINT_XFER_ISOC
:
629 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
641 while (array
[i
] != 0) {
642 if (r8a66597
->pipe_cnt
[min
] > r8a66597
->pipe_cnt
[array
[i
]])
650 static u16
get_r8a66597_type(__u8 type
)
655 case USB_ENDPOINT_XFER_BULK
:
656 r8a66597_type
= R8A66597_BULK
;
658 case USB_ENDPOINT_XFER_INT
:
659 r8a66597_type
= R8A66597_INT
;
661 case USB_ENDPOINT_XFER_ISOC
:
662 r8a66597_type
= R8A66597_ISO
;
666 r8a66597_type
= 0x0000;
670 return r8a66597_type
;
673 static u16
get_bufnum(u16 pipenum
)
679 else if (check_bulk_or_isoc(pipenum
))
680 bufnum
= 8 + (pipenum
- 1) * R8A66597_BUF_BSIZE
*2;
681 else if (check_interrupt(pipenum
))
682 bufnum
= 4 + (pipenum
- 6);
684 err("Illegal pipenum (%d)", pipenum
);
689 static u16
get_buf_bsize(u16 pipenum
)
695 else if (check_bulk_or_isoc(pipenum
))
696 buf_bsize
= R8A66597_BUF_BSIZE
- 1;
697 else if (check_interrupt(pipenum
))
700 err("Illegal pipenum (%d)", pipenum
);
705 /* this function must be called with interrupt disabled */
706 static void enable_r8a66597_pipe_dma(struct r8a66597
*r8a66597
,
707 struct r8a66597_device
*dev
,
708 struct r8a66597_pipe
*pipe
,
712 struct r8a66597_pipe_info
*info
= &pipe
->info
;
714 if ((pipe
->info
.pipenum
!= 0) && (info
->type
!= R8A66597_INT
)) {
715 for (i
= 0; i
< R8A66597_MAX_DMA_CHANNEL
; i
++) {
716 if ((r8a66597
->dma_map
& (1 << i
)) != 0)
719 info("address %d, EndpointAddress 0x%02x use DMA FIFO",
720 usb_pipedevice(urb
->pipe
),
721 info
->dir_in
? USB_ENDPOINT_DIR_MASK
+ info
->epnum
724 r8a66597
->dma_map
|= 1 << i
;
725 dev
->dma_map
|= 1 << i
;
726 set_pipe_reg_addr(pipe
, i
);
728 cfifo_change(r8a66597
, 0);
729 r8a66597_mdfy(r8a66597
, MBW
| pipe
->info
.pipenum
,
730 MBW
| CURPIPE
, pipe
->fifosel
);
732 r8a66597_reg_wait(r8a66597
, pipe
->fifosel
, CURPIPE
,
734 r8a66597_bset(r8a66597
, BCLR
, pipe
->fifoctr
);
740 /* this function must be called with interrupt disabled */
741 static void enable_r8a66597_pipe(struct r8a66597
*r8a66597
, struct urb
*urb
,
742 struct usb_host_endpoint
*hep
,
743 struct r8a66597_pipe_info
*info
)
745 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
746 struct r8a66597_pipe
*pipe
= hep
->hcpriv
;
751 set_pipe_reg_addr(pipe
, R8A66597_PIPE_NO_DMA
);
752 r8a66597
->pipe_cnt
[pipe
->info
.pipenum
]++;
753 dev
->pipe_cnt
[pipe
->info
.pipenum
]++;
755 enable_r8a66597_pipe_dma(r8a66597
, dev
, pipe
, urb
);
758 /* this function must be called with interrupt disabled */
759 static void force_dequeue(struct r8a66597
*r8a66597
, u16 pipenum
, u16 address
)
761 struct r8a66597_td
*td
, *next
;
763 struct list_head
*list
= &r8a66597
->pipe_queue
[pipenum
];
765 if (list_empty(list
))
768 list_for_each_entry_safe(td
, next
, list
, queue
) {
771 if (td
->address
!= address
)
775 list_del(&td
->queue
);
779 urb
->status
= -ENODEV
;
781 spin_unlock(&r8a66597
->lock
);
782 usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597
), urb
);
783 spin_lock(&r8a66597
->lock
);
789 /* this function must be called with interrupt disabled */
790 static void disable_r8a66597_pipe_all(struct r8a66597
*r8a66597
,
791 struct r8a66597_device
*dev
)
799 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
800 if (!dev
->pipe_cnt
[pipenum
])
805 force_dequeue(r8a66597
, 0, dev
->address
);
808 r8a66597
->pipe_cnt
[pipenum
] -= dev
->pipe_cnt
[pipenum
];
809 dev
->pipe_cnt
[pipenum
] = 0;
810 force_dequeue(r8a66597
, pipenum
, dev
->address
);
815 r8a66597
->dma_map
&= ~(dev
->dma_map
);
819 /* this function must be called with interrupt disabled */
820 static void init_pipe_info(struct r8a66597
*r8a66597
, struct urb
*urb
,
821 struct usb_host_endpoint
*hep
,
822 struct usb_endpoint_descriptor
*ep
)
824 struct r8a66597_pipe_info info
;
826 info
.pipenum
= get_empty_pipenum(r8a66597
, ep
);
827 info
.address
= get_urb_to_r8a66597_addr(r8a66597
, urb
);
828 info
.epnum
= ep
->bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK
;
829 info
.maxpacket
= ep
->wMaxPacketSize
;
830 info
.type
= get_r8a66597_type(ep
->bmAttributes
831 & USB_ENDPOINT_XFERTYPE_MASK
);
832 info
.bufnum
= get_bufnum(info
.pipenum
);
833 info
.buf_bsize
= get_buf_bsize(info
.pipenum
);
834 info
.interval
= ep
->bInterval
;
835 if (ep
->bEndpointAddress
& USB_ENDPOINT_DIR_MASK
)
840 enable_r8a66597_pipe(r8a66597
, urb
, hep
, &info
);
843 static void init_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
845 struct r8a66597_device
*dev
;
847 dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
848 dev
->state
= USB_STATE_CONFIGURED
;
851 static void pipe_irq_enable(struct r8a66597
*r8a66597
, struct urb
*urb
,
854 if (pipenum
== 0 && usb_pipeout(urb
->pipe
))
855 enable_irq_empty(r8a66597
, pipenum
);
857 enable_irq_ready(r8a66597
, pipenum
);
859 if (!usb_pipeisoc(urb
->pipe
))
860 enable_irq_nrdy(r8a66597
, pipenum
);
863 static void pipe_irq_disable(struct r8a66597
*r8a66597
, u16 pipenum
)
865 disable_irq_ready(r8a66597
, pipenum
);
866 disable_irq_nrdy(r8a66597
, pipenum
);
869 /* this function must be called with interrupt disabled */
870 static void r8a66597_usb_preconnect(struct r8a66597
*r8a66597
, int port
)
872 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_CONNECTION
)
873 | (1 << USB_PORT_FEAT_C_CONNECTION
);
874 r8a66597_write(r8a66597
, (u16
)~DTCH
, get_intsts_reg(port
));
875 r8a66597_bset(r8a66597
, DTCHE
, get_intenb_reg(port
));
878 /* this function must be called with interrupt disabled */
879 static void r8a66597_usb_connect(struct r8a66597
*r8a66597
, int port
)
881 u16 speed
= get_rh_usb_speed(r8a66597
, port
);
882 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
885 rh
->port
|= (1 << USB_PORT_FEAT_HIGHSPEED
);
886 else if (speed
== LSMODE
)
887 rh
->port
|= (1 << USB_PORT_FEAT_LOWSPEED
);
889 rh
->port
&= ~(1 << USB_PORT_FEAT_RESET
);
890 rh
->port
|= 1 << USB_PORT_FEAT_ENABLE
;
893 /* this function must be called with interrupt disabled */
894 static void r8a66597_usb_disconnect(struct r8a66597
*r8a66597
, int port
)
896 struct r8a66597_device
*dev
= r8a66597
->root_hub
[port
].dev
;
898 r8a66597
->root_hub
[port
].port
&= ~(1 << USB_PORT_FEAT_CONNECTION
);
899 r8a66597
->root_hub
[port
].port
|= (1 << USB_PORT_FEAT_C_CONNECTION
);
901 disable_r8a66597_pipe_all(r8a66597
, dev
);
902 free_usb_address(r8a66597
, dev
);
904 r8a66597_bset(r8a66597
, ATTCHE
, get_intenb_reg(port
));
907 /* this function must be called with interrupt disabled */
908 static void prepare_setup_packet(struct r8a66597
*r8a66597
,
909 struct r8a66597_td
*td
)
912 u16
*p
= (u16
*)td
->urb
->setup_packet
;
913 unsigned long setup_addr
= USBREQ
;
915 r8a66597_write(r8a66597
, make_devsel(td
->address
) | td
->maxpacket
,
917 r8a66597_write(r8a66597
, (u16
)~(SIGN
| SACK
), INTSTS1
);
919 for (i
= 0; i
< 4; i
++) {
920 r8a66597_write(r8a66597
, p
[i
], setup_addr
);
923 r8a66597_write(r8a66597
, SUREQ
, DCPCTR
);
926 /* this function must be called with interrupt disabled */
927 static void prepare_packet_read(struct r8a66597
*r8a66597
,
928 struct r8a66597_td
*td
)
930 struct urb
*urb
= td
->urb
;
932 if (usb_pipecontrol(urb
->pipe
)) {
933 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
934 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
935 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
936 if (urb
->actual_length
== 0) {
937 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
938 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
940 pipe_irq_disable(r8a66597
, td
->pipenum
);
941 pipe_start(r8a66597
, td
->pipe
);
942 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
944 if (urb
->actual_length
== 0) {
945 pipe_irq_disable(r8a66597
, td
->pipenum
);
946 pipe_setting(r8a66597
, td
);
947 pipe_stop(r8a66597
, td
->pipe
);
948 r8a66597_write(r8a66597
, (u16
)~(1 << td
->pipenum
),
951 if (td
->pipe
->pipetre
) {
952 r8a66597_write(r8a66597
, TRCLR
,
954 r8a66597_write(r8a66597
,
955 (urb
->transfer_buffer_length
959 r8a66597_bset(r8a66597
, TRENB
,
963 pipe_start(r8a66597
, td
->pipe
);
964 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
969 /* this function must be called with interrupt disabled */
970 static void prepare_packet_write(struct r8a66597
*r8a66597
,
971 struct r8a66597_td
*td
)
974 struct urb
*urb
= td
->urb
;
976 if (usb_pipecontrol(urb
->pipe
)) {
977 pipe_stop(r8a66597
, td
->pipe
);
978 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
979 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
980 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
981 if (urb
->actual_length
== 0) {
982 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
983 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
986 if (urb
->actual_length
== 0)
987 pipe_setting(r8a66597
, td
);
988 if (td
->pipe
->pipetre
)
989 r8a66597_bclr(r8a66597
, TRENB
, td
->pipe
->pipetre
);
991 r8a66597_write(r8a66597
, (u16
)~(1 << td
->pipenum
), BRDYSTS
);
993 fifo_change_from_pipe(r8a66597
, td
->pipe
);
994 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
995 if (unlikely((tmp
& FRDY
) == 0))
996 pipe_irq_enable(r8a66597
, urb
, td
->pipenum
);
998 packet_write(r8a66597
, td
->pipenum
);
999 pipe_start(r8a66597
, td
->pipe
);
1002 /* this function must be called with interrupt disabled */
1003 static void prepare_status_packet(struct r8a66597
*r8a66597
,
1004 struct r8a66597_td
*td
)
1006 struct urb
*urb
= td
->urb
;
1008 r8a66597_pipe_toggle(r8a66597
, td
->pipe
, 1);
1010 if (urb
->setup_packet
[0] & USB_ENDPOINT_DIR_MASK
) {
1011 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
1012 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
1013 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1014 r8a66597_write(r8a66597
, BVAL
| BCLR
, CFIFOCTR
);
1015 r8a66597_write(r8a66597
, (u16
)~BEMP0
, BEMPSTS
);
1016 enable_irq_empty(r8a66597
, 0);
1018 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
1019 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
1020 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
1021 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
1022 r8a66597_write(r8a66597
, (u16
)~BRDY0
, BRDYSTS
);
1023 r8a66597_write(r8a66597
, (u16
)~BEMP0
, BEMPSTS
);
1024 enable_irq_ready(r8a66597
, 0);
1026 enable_irq_nrdy(r8a66597
, 0);
1027 pipe_start(r8a66597
, td
->pipe
);
1030 /* this function must be called with interrupt disabled */
1031 static int start_transfer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1037 if (td
->urb
->setup_packet
[1] == USB_REQ_SET_ADDRESS
) {
1038 td
->set_address
= 1;
1039 td
->urb
->setup_packet
[2] = alloc_usb_address(r8a66597
,
1041 if (td
->urb
->setup_packet
[2] == 0)
1044 prepare_setup_packet(r8a66597
, td
);
1047 prepare_packet_read(r8a66597
, td
);
1050 prepare_packet_write(r8a66597
, td
);
1053 prepare_status_packet(r8a66597
, td
);
1056 err("invalid type.");
1063 static int check_transfer_finish(struct r8a66597_td
*td
, struct urb
*urb
)
1065 if (usb_pipeisoc(urb
->pipe
)) {
1066 if (urb
->number_of_packets
== td
->iso_cnt
)
1070 /* control or bulk or interrupt */
1071 if ((urb
->transfer_buffer_length
<= urb
->actual_length
) ||
1072 (td
->short_packet
) || (td
->zero_packet
))
1078 /* this function must be called with interrupt disabled */
1079 static void set_td_timer(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
)
1085 if (!list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]) &&
1086 !usb_pipecontrol(td
->urb
->pipe
) && usb_pipein(td
->urb
->pipe
)) {
1087 r8a66597
->timeout_map
|= 1 << td
->pipenum
;
1088 switch (usb_pipetype(td
->urb
->pipe
)) {
1089 case PIPE_INTERRUPT
:
1090 case PIPE_ISOCHRONOUS
:
1098 mod_timer(&r8a66597
->td_timer
[td
->pipenum
],
1099 jiffies
+ msecs_to_jiffies(time
));
1103 /* this function must be called with interrupt disabled */
1104 static void done(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
,
1105 u16 pipenum
, struct urb
*urb
)
1108 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
1110 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1113 if (td
->set_address
&& urb
->status
!= 0)
1114 r8a66597
->address_map
&= ~(1 << urb
->setup_packet
[2]);
1116 pipe_toggle_save(r8a66597
, td
->pipe
, urb
);
1117 list_del(&td
->queue
);
1121 if (!list_empty(&r8a66597
->pipe_queue
[pipenum
]))
1125 if (usb_pipeisoc(urb
->pipe
))
1126 urb
->start_frame
= r8a66597_get_frame(hcd
);
1129 spin_unlock(&r8a66597
->lock
);
1130 usb_hcd_giveback_urb(hcd
, urb
);
1131 spin_lock(&r8a66597
->lock
);
1135 td
= r8a66597_get_td(r8a66597
, pipenum
);
1139 start_transfer(r8a66597
, td
);
1140 set_td_timer(r8a66597
, td
);
1144 /* this function must be called with interrupt disabled */
1145 static void finish_request(struct r8a66597
*r8a66597
, struct r8a66597_td
*td
,
1146 u16 pipenum
, struct urb
*urb
)
1147 __releases(r8a66597
->lock
) __acquires(r8a66597
->lock
)
1149 done(r8a66597
, td
, pipenum
, urb
);
1152 static void packet_read(struct r8a66597
*r8a66597
, u16 pipenum
)
1155 int rcv_len
, bufsize
, urb_len
, size
;
1157 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1165 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1166 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1167 if (unlikely((tmp
& FRDY
) == 0)) {
1168 urb
->status
= -EPIPE
;
1169 pipe_stop(r8a66597
, td
->pipe
);
1170 pipe_irq_disable(r8a66597
, pipenum
);
1171 err("in fifo not ready (%d)", pipenum
);
1172 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1176 /* prepare parameters */
1177 rcv_len
= tmp
& DTLN
;
1178 bufsize
= td
->maxpacket
;
1179 if (usb_pipeisoc(urb
->pipe
)) {
1180 buf
= (u16
*)(urb
->transfer_buffer
+
1181 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1182 urb_len
= urb
->iso_frame_desc
[td
->iso_cnt
].length
;
1184 buf
= (void *)urb
->transfer_buffer
+ urb
->actual_length
;
1185 urb_len
= urb
->transfer_buffer_length
- urb
->actual_length
;
1187 if (rcv_len
< bufsize
)
1188 size
= min(rcv_len
, urb_len
);
1190 size
= min(bufsize
, urb_len
);
1192 /* update parameters */
1193 urb
->actual_length
+= size
;
1195 td
->zero_packet
= 1;
1196 if ((size
% td
->maxpacket
) > 0) {
1197 td
->short_packet
= 1;
1198 if (urb
->transfer_buffer_length
!= urb
->actual_length
&&
1199 urb
->transfer_flags
& URB_SHORT_NOT_OK
)
1200 td
->urb
->status
= -EREMOTEIO
;
1202 if (usb_pipeisoc(urb
->pipe
)) {
1203 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1204 urb
->iso_frame_desc
[td
->iso_cnt
].status
= 0;
1208 /* check transfer finish */
1209 if (check_transfer_finish(td
, urb
)) {
1210 pipe_stop(r8a66597
, td
->pipe
);
1211 pipe_irq_disable(r8a66597
, pipenum
);
1216 if (urb
->transfer_buffer
) {
1218 r8a66597_write(r8a66597
, BCLR
, td
->pipe
->fifoctr
);
1220 r8a66597_read_fifo(r8a66597
, td
->pipe
->fifoaddr
,
1224 if (finish
&& pipenum
!= 0) {
1225 if (td
->urb
->status
== -EINPROGRESS
)
1226 td
->urb
->status
= 0;
1227 finish_request(r8a66597
, td
, pipenum
, urb
);
1231 static void packet_write(struct r8a66597
*r8a66597
, u16 pipenum
)
1236 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1243 fifo_change_from_pipe(r8a66597
, td
->pipe
);
1244 tmp
= r8a66597_read(r8a66597
, td
->pipe
->fifoctr
);
1245 if (unlikely((tmp
& FRDY
) == 0)) {
1246 urb
->status
= -EPIPE
;
1247 pipe_stop(r8a66597
, td
->pipe
);
1248 pipe_irq_disable(r8a66597
, pipenum
);
1249 err("out write fifo not ready. (%d)", pipenum
);
1250 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1254 /* prepare parameters */
1255 bufsize
= td
->maxpacket
;
1256 if (usb_pipeisoc(urb
->pipe
)) {
1257 buf
= (u16
*)(urb
->transfer_buffer
+
1258 urb
->iso_frame_desc
[td
->iso_cnt
].offset
);
1260 (int)urb
->iso_frame_desc
[td
->iso_cnt
].length
);
1262 buf
= (u16
*)(urb
->transfer_buffer
+ urb
->actual_length
);
1263 size
= min((int)bufsize
,
1264 urb
->transfer_buffer_length
- urb
->actual_length
);
1269 r8a66597_write(r8a66597
, (u16
)~(1 << pipenum
), BEMPSTS
);
1270 if (urb
->transfer_buffer
) {
1271 r8a66597_write_fifo(r8a66597
, td
->pipe
->fifoaddr
, buf
, size
);
1272 if (!usb_pipebulk(urb
->pipe
) || td
->maxpacket
!= size
)
1273 r8a66597_write(r8a66597
, BVAL
, td
->pipe
->fifoctr
);
1276 /* update parameters */
1277 urb
->actual_length
+= size
;
1278 if (usb_pipeisoc(urb
->pipe
)) {
1279 urb
->iso_frame_desc
[td
->iso_cnt
].actual_length
= size
;
1280 urb
->iso_frame_desc
[td
->iso_cnt
].status
= 0;
1284 /* check transfer finish */
1285 if (check_transfer_finish(td
, urb
)) {
1286 disable_irq_ready(r8a66597
, pipenum
);
1287 enable_irq_empty(r8a66597
, pipenum
);
1288 if (!usb_pipeisoc(urb
->pipe
))
1289 enable_irq_nrdy(r8a66597
, pipenum
);
1291 pipe_irq_enable(r8a66597
, urb
, pipenum
);
1295 static void check_next_phase(struct r8a66597
*r8a66597
)
1297 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, 0);
1308 if (urb
->status
!= -EINPROGRESS
) {
1312 if (check_transfer_finish(td
, urb
))
1313 td
->type
= USB_PID_ACK
;
1316 if (urb
->status
!= -EINPROGRESS
)
1318 else if (urb
->transfer_buffer_length
== urb
->actual_length
) {
1319 td
->type
= USB_PID_ACK
;
1321 } else if (usb_pipeout(urb
->pipe
))
1322 td
->type
= USB_PID_OUT
;
1324 td
->type
= USB_PID_IN
;
1328 if (urb
->status
== -EINPROGRESS
)
1334 finish_request(r8a66597
, td
, 0, urb
);
1336 start_transfer(r8a66597
, td
);
1339 static void set_urb_error(struct r8a66597
*r8a66597
, u16 pipenum
)
1341 struct r8a66597_td
*td
= r8a66597_get_td(r8a66597
, pipenum
);
1343 if (td
&& td
->urb
) {
1344 u16 pid
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
) & PID
;
1347 td
->urb
->status
= -ECONNRESET
;
1349 td
->urb
->status
= -EPIPE
;
1353 static void irq_pipe_ready(struct r8a66597
*r8a66597
)
1358 struct r8a66597_td
*td
;
1360 mask
= r8a66597_read(r8a66597
, BRDYSTS
)
1361 & r8a66597_read(r8a66597
, BRDYENB
);
1362 r8a66597_write(r8a66597
, (u16
)~mask
, BRDYSTS
);
1364 td
= r8a66597_get_td(r8a66597
, 0);
1365 if (td
&& td
->type
== USB_PID_IN
)
1366 packet_read(r8a66597
, 0);
1368 pipe_irq_disable(r8a66597
, 0);
1369 check_next_phase(r8a66597
);
1372 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1373 check
= 1 << pipenum
;
1375 td
= r8a66597_get_td(r8a66597
, pipenum
);
1379 if (td
->type
== USB_PID_IN
)
1380 packet_read(r8a66597
, pipenum
);
1381 else if (td
->type
== USB_PID_OUT
)
1382 packet_write(r8a66597
, pipenum
);
1387 static void irq_pipe_empty(struct r8a66597
*r8a66597
)
1393 struct r8a66597_td
*td
;
1395 mask
= r8a66597_read(r8a66597
, BEMPSTS
)
1396 & r8a66597_read(r8a66597
, BEMPENB
);
1397 r8a66597_write(r8a66597
, (u16
)~mask
, BEMPSTS
);
1399 cfifo_change(r8a66597
, 0);
1400 td
= r8a66597_get_td(r8a66597
, 0);
1401 if (td
&& td
->type
!= USB_PID_OUT
)
1402 disable_irq_empty(r8a66597
, 0);
1403 check_next_phase(r8a66597
);
1406 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1407 check
= 1 << pipenum
;
1409 struct r8a66597_td
*td
;
1410 td
= r8a66597_get_td(r8a66597
, pipenum
);
1414 tmp
= r8a66597_read(r8a66597
, td
->pipe
->pipectr
);
1415 if ((tmp
& INBUFM
) == 0) {
1416 disable_irq_empty(r8a66597
, pipenum
);
1417 pipe_irq_disable(r8a66597
, pipenum
);
1418 if (td
->urb
->status
== -EINPROGRESS
)
1419 td
->urb
->status
= 0;
1420 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1426 static void irq_pipe_nrdy(struct r8a66597
*r8a66597
)
1432 mask
= r8a66597_read(r8a66597
, NRDYSTS
)
1433 & r8a66597_read(r8a66597
, NRDYENB
);
1434 r8a66597_write(r8a66597
, (u16
)~mask
, NRDYSTS
);
1436 cfifo_change(r8a66597
, 0);
1437 set_urb_error(r8a66597
, 0);
1438 pipe_irq_disable(r8a66597
, 0);
1439 check_next_phase(r8a66597
);
1442 for (pipenum
= 1; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1443 check
= 1 << pipenum
;
1445 struct r8a66597_td
*td
;
1446 td
= r8a66597_get_td(r8a66597
, pipenum
);
1450 set_urb_error(r8a66597
, pipenum
);
1451 pipe_irq_disable(r8a66597
, pipenum
);
1452 pipe_stop(r8a66597
, td
->pipe
);
1453 finish_request(r8a66597
, td
, pipenum
, td
->urb
);
1458 static void start_root_hub_sampling(struct r8a66597
*r8a66597
, int port
)
1460 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1462 rh
->old_syssts
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1463 rh
->scount
= R8A66597_MAX_SAMPLING
;
1464 mod_timer(&r8a66597
->rh_timer
, jiffies
+ msecs_to_jiffies(50));
1467 static irqreturn_t
r8a66597_irq(struct usb_hcd
*hcd
)
1469 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1470 u16 intsts0
, intsts1
, intsts2
;
1471 u16 intenb0
, intenb1
, intenb2
;
1472 u16 mask0
, mask1
, mask2
;
1474 spin_lock(&r8a66597
->lock
);
1476 intsts0
= r8a66597_read(r8a66597
, INTSTS0
);
1477 intsts1
= r8a66597_read(r8a66597
, INTSTS1
);
1478 intsts2
= r8a66597_read(r8a66597
, INTSTS2
);
1479 intenb0
= r8a66597_read(r8a66597
, INTENB0
);
1480 intenb1
= r8a66597_read(r8a66597
, INTENB1
);
1481 intenb2
= r8a66597_read(r8a66597
, INTENB2
);
1483 mask2
= intsts2
& intenb2
;
1484 mask1
= intsts1
& intenb1
;
1485 mask0
= intsts0
& intenb0
& (BEMP
| NRDY
| BRDY
);
1487 if (mask2
& ATTCH
) {
1488 r8a66597_write(r8a66597
, (u16
)~ATTCH
, INTSTS2
);
1489 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB2
);
1491 /* start usb bus sampling */
1492 start_root_hub_sampling(r8a66597
, 1);
1495 r8a66597_write(r8a66597
, (u16
)~DTCH
, INTSTS2
);
1496 r8a66597_bclr(r8a66597
, DTCHE
, INTENB2
);
1497 r8a66597_usb_disconnect(r8a66597
, 1);
1502 if (mask1
& ATTCH
) {
1503 r8a66597_write(r8a66597
, (u16
)~ATTCH
, INTSTS1
);
1504 r8a66597_bclr(r8a66597
, ATTCHE
, INTENB1
);
1506 /* start usb bus sampling */
1507 start_root_hub_sampling(r8a66597
, 0);
1510 r8a66597_write(r8a66597
, (u16
)~DTCH
, INTSTS1
);
1511 r8a66597_bclr(r8a66597
, DTCHE
, INTENB1
);
1512 r8a66597_usb_disconnect(r8a66597
, 0);
1515 r8a66597_write(r8a66597
, (u16
)~SIGN
, INTSTS1
);
1516 set_urb_error(r8a66597
, 0);
1517 check_next_phase(r8a66597
);
1520 r8a66597_write(r8a66597
, (u16
)~SACK
, INTSTS1
);
1521 check_next_phase(r8a66597
);
1526 irq_pipe_ready(r8a66597
);
1528 irq_pipe_empty(r8a66597
);
1530 irq_pipe_nrdy(r8a66597
);
1533 spin_unlock(&r8a66597
->lock
);
1537 /* this function must be called with interrupt disabled */
1538 static void r8a66597_root_hub_control(struct r8a66597
*r8a66597
, int port
)
1541 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1543 if (rh
->port
& (1 << USB_PORT_FEAT_RESET
)) {
1544 unsigned long dvstctr_reg
= get_dvstctr_reg(port
);
1546 tmp
= r8a66597_read(r8a66597
, dvstctr_reg
);
1547 if ((tmp
& USBRST
) == USBRST
) {
1548 r8a66597_mdfy(r8a66597
, UACT
, USBRST
| UACT
,
1550 mod_timer(&r8a66597
->rh_timer
,
1551 jiffies
+ msecs_to_jiffies(50));
1553 r8a66597_usb_connect(r8a66597
, port
);
1556 if (rh
->scount
> 0) {
1557 tmp
= r8a66597_read(r8a66597
, get_syssts_reg(port
)) & LNST
;
1558 if (tmp
== rh
->old_syssts
) {
1560 if (rh
->scount
== 0) {
1561 if (tmp
== FS_JSTS
) {
1562 r8a66597_bset(r8a66597
, HSE
,
1563 get_syscfg_reg(port
));
1564 r8a66597_usb_preconnect(r8a66597
, port
);
1565 } else if (tmp
== LS_JSTS
) {
1566 r8a66597_bclr(r8a66597
, HSE
,
1567 get_syscfg_reg(port
));
1568 r8a66597_usb_preconnect(r8a66597
, port
);
1569 } else if (tmp
== SE0
)
1570 r8a66597_bset(r8a66597
, ATTCHE
,
1571 get_intenb_reg(port
));
1573 mod_timer(&r8a66597
->rh_timer
,
1574 jiffies
+ msecs_to_jiffies(50));
1577 rh
->scount
= R8A66597_MAX_SAMPLING
;
1578 rh
->old_syssts
= tmp
;
1579 mod_timer(&r8a66597
->rh_timer
,
1580 jiffies
+ msecs_to_jiffies(50));
1585 static void r8a66597_td_timer(unsigned long _r8a66597
)
1587 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1588 unsigned long flags
;
1590 struct r8a66597_td
*td
, *new_td
= NULL
;
1591 struct r8a66597_pipe
*pipe
;
1593 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1594 for (pipenum
= 0; pipenum
< R8A66597_MAX_NUM_PIPE
; pipenum
++) {
1595 if (!(r8a66597
->timeout_map
& (1 << pipenum
)))
1597 if (timer_pending(&r8a66597
->td_timer
[pipenum
]))
1600 td
= r8a66597_get_td(r8a66597
, pipenum
);
1602 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1606 if (td
->urb
->actual_length
) {
1607 set_td_timer(r8a66597
, td
);
1612 pipe_stop(r8a66597
, pipe
);
1616 list_move_tail(&new_td
->queue
,
1617 &r8a66597
->pipe_queue
[pipenum
]);
1618 new_td
= r8a66597_get_td(r8a66597
, pipenum
);
1623 } while (td
!= new_td
&& td
->address
== new_td
->address
);
1625 start_transfer(r8a66597
, new_td
);
1628 r8a66597
->timeout_map
&= ~(1 << pipenum
);
1630 set_td_timer(r8a66597
, new_td
);
1633 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1636 static void r8a66597_timer(unsigned long _r8a66597
)
1638 struct r8a66597
*r8a66597
= (struct r8a66597
*)_r8a66597
;
1639 unsigned long flags
;
1641 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1643 r8a66597_root_hub_control(r8a66597
, 0);
1644 r8a66597_root_hub_control(r8a66597
, 1);
1646 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1649 static int check_pipe_config(struct r8a66597
*r8a66597
, struct urb
*urb
)
1651 struct r8a66597_device
*dev
= get_urb_to_r8a66597_dev(r8a66597
, urb
);
1653 if (dev
&& dev
->address
&& dev
->state
!= USB_STATE_CONFIGURED
&&
1654 (urb
->dev
->state
== USB_STATE_CONFIGURED
))
1660 static int r8a66597_start(struct usb_hcd
*hcd
)
1662 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1665 hcd
->state
= HC_STATE_RUNNING
;
1666 if ((ret
= enable_controller(r8a66597
)) < 0)
1672 static void r8a66597_stop(struct usb_hcd
*hcd
)
1674 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1676 disable_controller(r8a66597
);
1679 static void set_address_zero(struct r8a66597
*r8a66597
, struct urb
*urb
)
1681 unsigned int usb_address
= usb_pipedevice(urb
->pipe
);
1682 u16 root_port
, hub_port
;
1684 if (usb_address
== 0) {
1685 get_port_number(urb
->dev
->devpath
,
1686 &root_port
, &hub_port
);
1687 set_devadd_reg(r8a66597
, 0,
1688 get_r8a66597_usb_speed(urb
->dev
->speed
),
1689 get_parent_r8a66597_address(r8a66597
, urb
->dev
),
1690 hub_port
, root_port
);
1694 static struct r8a66597_td
*r8a66597_make_td(struct r8a66597
*r8a66597
,
1696 struct usb_host_endpoint
*hep
,
1699 struct r8a66597_td
*td
;
1702 td
= kzalloc(sizeof(struct r8a66597_td
), mem_flags
);
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
), mem_flags
);
1746 set_pipe_reg_addr(hep
->hcpriv
, R8A66597_PIPE_NO_DMA
);
1747 if (usb_pipeendpoint(urb
->pipe
))
1748 init_pipe_info(r8a66597
, urb
, hep
, &hep
->desc
);
1751 if (unlikely(check_pipe_config(r8a66597
, urb
)))
1752 init_pipe_config(r8a66597
, urb
);
1754 set_address_zero(r8a66597
, urb
);
1755 td
= r8a66597_make_td(r8a66597
, urb
, hep
, mem_flags
);
1760 if (list_empty(&r8a66597
->pipe_queue
[td
->pipenum
]))
1762 list_add_tail(&td
->queue
, &r8a66597
->pipe_queue
[td
->pipenum
]);
1764 spin_lock(&urb
->lock
);
1765 if (urb
->status
!= -EINPROGRESS
) {
1766 spin_unlock(&urb
->lock
);
1771 spin_unlock(&urb
->lock
);
1774 ret
= start_transfer(r8a66597
, td
);
1776 list_del(&td
->queue
);
1780 set_td_timer(r8a66597
, td
);
1783 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1787 static int r8a66597_urb_dequeue(struct usb_hcd
*hcd
, struct urb
*urb
)
1789 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1790 struct r8a66597_td
*td
;
1791 unsigned long flags
;
1793 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1796 pipe_stop(r8a66597
, td
->pipe
);
1797 pipe_irq_disable(r8a66597
, td
->pipenum
);
1798 disable_irq_empty(r8a66597
, td
->pipenum
);
1799 done(r8a66597
, td
, td
->pipenum
, urb
);
1801 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1805 static void r8a66597_endpoint_disable(struct usb_hcd
*hcd
,
1806 struct usb_host_endpoint
*hep
)
1808 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1809 struct r8a66597_pipe
*pipe
= (struct r8a66597_pipe
*)hep
->hcpriv
;
1810 struct r8a66597_td
*td
;
1811 struct urb
*urb
= NULL
;
1813 unsigned long flags
;
1817 pipenum
= pipe
->info
.pipenum
;
1825 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1826 pipe_stop(r8a66597
, pipe
);
1827 pipe_irq_disable(r8a66597
, pipenum
);
1828 disable_irq_empty(r8a66597
, pipenum
);
1829 td
= r8a66597_get_td(r8a66597
, pipenum
);
1832 done(r8a66597
, td
, pipenum
, urb
);
1835 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1838 static int r8a66597_get_frame(struct usb_hcd
*hcd
)
1840 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1841 return r8a66597_read(r8a66597
, FRMNUM
) & 0x03FF;
1844 static void collect_usb_address_map(struct usb_device
*udev
, unsigned long *map
)
1848 if (udev
->state
== USB_STATE_CONFIGURED
&&
1849 udev
->parent
&& udev
->parent
->devnum
> 1 &&
1850 udev
->parent
->descriptor
.bDeviceClass
== USB_CLASS_HUB
)
1851 map
[udev
->devnum
/32] |= (1 << (udev
->devnum
% 32));
1853 for (chix
= 0; chix
< udev
->maxchild
; chix
++) {
1854 struct usb_device
*childdev
= udev
->children
[chix
];
1857 collect_usb_address_map(childdev
, map
);
1861 /* this function must be called with interrupt disabled */
1862 static struct r8a66597_device
*get_r8a66597_device(struct r8a66597
*r8a66597
,
1865 struct r8a66597_device
*dev
;
1866 struct list_head
*list
= &r8a66597
->child_device
;
1868 list_for_each_entry(dev
, list
, device_list
) {
1871 if (dev
->usb_address
!= addr
)
1877 err("get_r8a66597_device fail.(%d)\n", addr
);
1881 static void update_usb_address_map(struct r8a66597
*r8a66597
,
1882 struct usb_device
*root_hub
,
1887 unsigned long flags
;
1889 for (i
= 0; i
< 4; i
++) {
1890 diff
= r8a66597
->child_connect_map
[i
] ^ map
[i
];
1894 for (j
= 0; j
< 32; j
++) {
1895 if (!(diff
& (1 << j
)))
1899 if (map
[i
] & (1 << j
))
1900 set_child_connect_map(r8a66597
, addr
);
1902 struct r8a66597_device
*dev
;
1904 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1905 dev
= get_r8a66597_device(r8a66597
, addr
);
1906 disable_r8a66597_pipe_all(r8a66597
, dev
);
1907 free_usb_address(r8a66597
, dev
);
1908 put_child_connect_map(r8a66597
, addr
);
1909 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1915 static void r8a66597_check_detect_child(struct r8a66597
*r8a66597
,
1916 struct usb_hcd
*hcd
)
1918 struct usb_bus
*bus
;
1919 unsigned long now_map
[4];
1921 memset(now_map
, 0, sizeof(now_map
));
1923 list_for_each_entry(bus
, &usb_bus_list
, bus_list
) {
1927 if (bus
->busnum
!= hcd
->self
.busnum
)
1930 collect_usb_address_map(bus
->root_hub
, now_map
);
1931 update_usb_address_map(r8a66597
, bus
->root_hub
, now_map
);
1935 static int r8a66597_hub_status_data(struct usb_hcd
*hcd
, char *buf
)
1937 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1938 unsigned long flags
;
1941 r8a66597_check_detect_child(r8a66597
, hcd
);
1943 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1945 *buf
= 0; /* initialize (no change) */
1947 for (i
= 0; i
< R8A66597_MAX_ROOT_HUB
; i
++) {
1948 if (r8a66597
->root_hub
[i
].port
& 0xffff0000)
1949 *buf
|= 1 << (i
+ 1);
1952 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
1957 static void r8a66597_hub_descriptor(struct r8a66597
*r8a66597
,
1958 struct usb_hub_descriptor
*desc
)
1960 desc
->bDescriptorType
= 0x29;
1961 desc
->bHubContrCurrent
= 0;
1962 desc
->bNbrPorts
= R8A66597_MAX_ROOT_HUB
;
1963 desc
->bDescLength
= 9;
1964 desc
->bPwrOn2PwrGood
= 0;
1965 desc
->wHubCharacteristics
= cpu_to_le16(0x0011);
1966 desc
->bitmap
[0] = ((1 << R8A66597_MAX_ROOT_HUB
) - 1) << 1;
1967 desc
->bitmap
[1] = ~0;
1970 static int r8a66597_hub_control(struct usb_hcd
*hcd
, u16 typeReq
, u16 wValue
,
1971 u16 wIndex
, char *buf
, u16 wLength
)
1973 struct r8a66597
*r8a66597
= hcd_to_r8a66597(hcd
);
1975 int port
= (wIndex
& 0x00FF) - 1;
1976 struct r8a66597_root_hub
*rh
= &r8a66597
->root_hub
[port
];
1977 unsigned long flags
;
1981 spin_lock_irqsave(&r8a66597
->lock
, flags
);
1983 case ClearHubFeature
:
1986 case C_HUB_OVER_CURRENT
:
1987 case C_HUB_LOCAL_POWER
:
1993 case ClearPortFeature
:
1994 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2000 case USB_PORT_FEAT_ENABLE
:
2001 rh
->port
&= (1 << USB_PORT_FEAT_POWER
);
2003 case USB_PORT_FEAT_SUSPEND
:
2005 case USB_PORT_FEAT_POWER
:
2006 r8a66597_port_power(r8a66597
, port
, 0);
2008 case USB_PORT_FEAT_C_ENABLE
:
2009 case USB_PORT_FEAT_C_SUSPEND
:
2010 case USB_PORT_FEAT_C_CONNECTION
:
2011 case USB_PORT_FEAT_C_OVER_CURRENT
:
2012 case USB_PORT_FEAT_C_RESET
:
2017 rh
->port
&= ~(1 << wValue
);
2019 case GetHubDescriptor
:
2020 r8a66597_hub_descriptor(r8a66597
,
2021 (struct usb_hub_descriptor
*)buf
);
2027 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2029 *(u32
*)buf
= rh
->port
;
2031 case SetPortFeature
:
2032 if (wIndex
> R8A66597_MAX_ROOT_HUB
)
2038 case USB_PORT_FEAT_SUSPEND
:
2040 case USB_PORT_FEAT_POWER
:
2041 r8a66597_port_power(r8a66597
, port
, 1);
2042 rh
->port
|= (1 << USB_PORT_FEAT_POWER
);
2044 case USB_PORT_FEAT_RESET
: {
2045 struct r8a66597_device
*dev
= rh
->dev
;
2047 rh
->port
|= (1 << USB_PORT_FEAT_RESET
);
2049 disable_r8a66597_pipe_all(r8a66597
, dev
);
2050 free_usb_address(r8a66597
, dev
);
2052 r8a66597_mdfy(r8a66597
, USBRST
, USBRST
| UACT
,
2053 get_dvstctr_reg(port
));
2054 mod_timer(&r8a66597
->rh_timer
,
2055 jiffies
+ msecs_to_jiffies(50));
2061 rh
->port
|= 1 << wValue
;
2069 spin_unlock_irqrestore(&r8a66597
->lock
, flags
);
2073 static struct hc_driver r8a66597_hc_driver
= {
2074 .description
= hcd_name
,
2075 .hcd_priv_size
= sizeof(struct r8a66597
),
2076 .irq
= r8a66597_irq
,
2079 * generic hardware linkage
2083 .start
= r8a66597_start
,
2084 .stop
= r8a66597_stop
,
2087 * managing i/o requests and associated device resources
2089 .urb_enqueue
= r8a66597_urb_enqueue
,
2090 .urb_dequeue
= r8a66597_urb_dequeue
,
2091 .endpoint_disable
= r8a66597_endpoint_disable
,
2094 * periodic schedule support
2096 .get_frame_number
= r8a66597_get_frame
,
2101 .hub_status_data
= r8a66597_hub_status_data
,
2102 .hub_control
= r8a66597_hub_control
,
2105 #if defined(CONFIG_PM)
2106 static int r8a66597_suspend(struct platform_device
*pdev
, pm_message_t state
)
2108 pdev
->dev
.power
.power_state
= state
;
2112 static int r8a66597_resume(struct platform_device
*pdev
)
2114 pdev
->dev
.power
.power_state
= PMSG_ON
;
2117 #else /* if defined(CONFIG_PM) */
2118 #define r8a66597_suspend NULL
2119 #define r8a66597_resume NULL
2122 static int __init_or_module
r8a66597_remove(struct platform_device
*pdev
)
2124 struct r8a66597
*r8a66597
= dev_get_drvdata(&pdev
->dev
);
2125 struct usb_hcd
*hcd
= r8a66597_to_hcd(r8a66597
);
2127 del_timer_sync(&r8a66597
->rh_timer
);
2128 iounmap((void *)r8a66597
->reg
);
2129 usb_remove_hcd(hcd
);
2134 #define resource_len(r) (((r)->end - (r)->start) + 1)
2135 static int __init
r8a66597_probe(struct platform_device
*pdev
)
2137 struct resource
*res
= NULL
;
2139 void __iomem
*reg
= NULL
;
2140 struct usb_hcd
*hcd
= NULL
;
2141 struct r8a66597
*r8a66597
;
2145 if (pdev
->dev
.dma_mask
) {
2147 err("dma not support");
2151 res
= platform_get_resource_byname(pdev
, IORESOURCE_MEM
,
2155 err("platform_get_resource_byname error.");
2159 irq
= platform_get_irq(pdev
, 0);
2162 err("platform_get_irq error.");
2166 reg
= ioremap(res
->start
, resource_len(res
));
2169 err("ioremap error.");
2173 /* initialize hcd */
2174 hcd
= usb_create_hcd(&r8a66597_hc_driver
, &pdev
->dev
, (char *)hcd_name
);
2177 err("Failed to create hcd");
2180 r8a66597
= hcd_to_r8a66597(hcd
);
2181 memset(r8a66597
, 0, sizeof(struct r8a66597
));
2182 dev_set_drvdata(&pdev
->dev
, r8a66597
);
2184 spin_lock_init(&r8a66597
->lock
);
2185 init_timer(&r8a66597
->rh_timer
);
2186 r8a66597
->rh_timer
.function
= r8a66597_timer
;
2187 r8a66597
->rh_timer
.data
= (unsigned long)r8a66597
;
2188 r8a66597
->reg
= (unsigned long)reg
;
2190 for (i
= 0; i
< R8A66597_MAX_NUM_PIPE
; i
++) {
2191 INIT_LIST_HEAD(&r8a66597
->pipe_queue
[i
]);
2192 init_timer(&r8a66597
->td_timer
[i
]);
2193 r8a66597
->td_timer
[i
].function
= r8a66597_td_timer
;
2194 r8a66597
->td_timer
[i
].data
= (unsigned long)r8a66597
;
2196 INIT_LIST_HEAD(&r8a66597
->child_device
);
2198 hcd
->rsrc_start
= res
->start
;
2199 ret
= usb_add_hcd(hcd
, irq
, 0);
2201 err("Failed to add hcd");
2211 release_mem_region(res
->start
, 1);
2216 static struct platform_driver r8a66597_driver
= {
2217 .probe
= r8a66597_probe
,
2218 .remove
= r8a66597_remove
,
2219 .suspend
= r8a66597_suspend
,
2220 .resume
= r8a66597_resume
,
2222 .name
= (char *) hcd_name
,
2226 static int __init
r8a66597_init(void)
2231 info("driver %s, %s", hcd_name
, DRIVER_VERSION
);
2232 return platform_driver_register(&r8a66597_driver
);
2234 module_init(r8a66597_init
);
2236 static void __exit
r8a66597_cleanup(void)
2238 platform_driver_unregister(&r8a66597_driver
);
2240 module_exit(r8a66597_cleanup
);