2 * R8A66597 HCD (Host Controller Driver) for u-boot
4 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
6 * SPDX-License-Identifier: GPL-2.0
13 #include <linux/iopoll.h>
18 #define R8A66597_DPRINT printf
20 #define R8A66597_DPRINT(...)
23 static struct r8a66597 gr8a66597
;
25 static void get_hub_data(struct usb_device
*dev
, u16
*hub_devnum
, u16
*hubport
)
32 /* check a device connected to root_hub */
33 if ((dev
->parent
&& dev
->parent
->devnum
== 1) ||
37 for (i
= 0; i
< USB_MAXCHILDREN
; i
++) {
38 if (dev
->parent
->children
[i
] == dev
) {
39 *hub_devnum
= (u8
)dev
->parent
->devnum
;
45 printf("get_hub_data error.\n");
48 static void set_devadd(struct r8a66597
*r8a66597
, u8 r8a66597_address
,
49 struct usb_device
*dev
, int port
)
51 u16 val
, usbspd
, upphub
, hubport
;
52 unsigned long devadd_reg
= get_devadd_addr(r8a66597_address
);
54 get_hub_data(dev
, &upphub
, &hubport
);
55 usbspd
= r8a66597
->speed
;
56 val
= (upphub
<< 11) | (hubport
<< 8) | (usbspd
<< 6) | (port
& 0x0001);
57 r8a66597_write(r8a66597
, val
, devadd_reg
);
60 static int r8a66597_clock_enable(struct r8a66597
*r8a66597
)
65 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
67 r8a66597_write(r8a66597
, SCKE
, SYSCFG0
);
68 tmp
= r8a66597_read(r8a66597
, SYSCFG0
);
70 printf("register access fail.\n");
73 } while ((tmp
& SCKE
) != SCKE
);
74 r8a66597_write(r8a66597
, 0x04, 0x02);
77 r8a66597_write(r8a66597
, USBE
, SYSCFG0
);
78 tmp
= r8a66597_read(r8a66597
, SYSCFG0
);
80 printf("register access fail.\n");
83 } while ((tmp
& USBE
) != USBE
);
84 r8a66597_bclr(r8a66597
, USBE
, SYSCFG0
);
85 #if !defined(CONFIG_RZA_USB)
86 r8a66597_mdfy(r8a66597
, CONFIG_R8A66597_XTAL
, XTAL
, SYSCFG0
);
89 r8a66597_bset(r8a66597
, XCKE
, SYSCFG0
);
92 tmp
= r8a66597_read(r8a66597
, SYSCFG0
);
94 printf("register access fail.\n");
97 } while ((tmp
& SCKE
) != SCKE
);
101 * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0
102 * and USB1, so we must always set the USB0 register
104 #if (CONFIG_R8A66597_XTAL == 1)
105 setbits(le16
, R8A66597_BASE0
, XTAL
);
108 setbits(le16
, R8A66597_BASE0
, UPLLE
);
110 r8a66597_bset(r8a66597
, SUSPM
, SUSPMODE0
);
111 #endif /* CONFIG_RZA_USB */
112 #endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
117 static void r8a66597_clock_disable(struct r8a66597
*r8a66597
)
119 #if !defined(CONFIG_RZA_USB)
120 r8a66597_bclr(r8a66597
, SCKE
, SYSCFG0
);
122 #if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
123 r8a66597_bclr(r8a66597
, PLLC
, SYSCFG0
);
124 r8a66597_bclr(r8a66597
, XCKE
, SYSCFG0
);
125 r8a66597_bclr(r8a66597
, USBE
, SYSCFG0
);
128 r8a66597_bclr(r8a66597
, SUSPM
, SUSPMODE0
);
130 clrbits(le16
, R8A66597_BASE0
, UPLLE
);
132 r8a66597_bclr(r8a66597
, USBE
, SYSCFG0
);
138 static void r8a66597_enable_port(struct r8a66597
*r8a66597
, int port
)
142 val
= port
? DRPD
: DCFM
| DRPD
;
143 r8a66597_bset(r8a66597
, val
, get_syscfg_reg(port
));
144 r8a66597_bset(r8a66597
, HSE
, get_syscfg_reg(port
));
146 #if !defined(CONFIG_RZA_USB)
147 r8a66597_write(r8a66597
, BURST
| CPU_ADR_RD_WR
, get_dmacfg_reg(port
));
151 static void r8a66597_disable_port(struct r8a66597
*r8a66597
, int port
)
155 r8a66597_write(r8a66597
, 0, get_intenb_reg(port
));
156 r8a66597_write(r8a66597
, 0, get_intsts_reg(port
));
158 r8a66597_port_power(r8a66597
, port
, 0);
161 tmp
= r8a66597_read(r8a66597
, SOFCFG
) & EDGESTS
;
163 } while (tmp
== EDGESTS
);
165 val
= port
? DRPD
: DCFM
| DRPD
;
166 r8a66597_bclr(r8a66597
, val
, get_syscfg_reg(port
));
167 r8a66597_bclr(r8a66597
, HSE
, get_syscfg_reg(port
));
170 static int enable_controller(struct r8a66597
*r8a66597
)
174 ret
= r8a66597_clock_enable(r8a66597
);
178 #if !defined(CONFIG_RZA_USB)
179 r8a66597_bset(r8a66597
, CONFIG_R8A66597_LDRV
& LDRV
, PINCFG
);
181 r8a66597_bset(r8a66597
, USBE
, SYSCFG0
);
183 r8a66597_bset(r8a66597
, INTL
, SOFCFG
);
184 r8a66597_write(r8a66597
, 0, INTENB0
);
185 for (port
= 0; port
< R8A66597_MAX_ROOT_HUB
; port
++)
186 r8a66597_write(r8a66597
, 0, get_intenb_reg(port
));
188 r8a66597_bset(r8a66597
, CONFIG_R8A66597_ENDIAN
& BIGEND
, CFIFOSEL
);
189 r8a66597_bset(r8a66597
, CONFIG_R8A66597_ENDIAN
& BIGEND
, D0FIFOSEL
);
190 r8a66597_bset(r8a66597
, CONFIG_R8A66597_ENDIAN
& BIGEND
, D1FIFOSEL
);
191 r8a66597_bset(r8a66597
, TRNENSEL
, SOFCFG
);
193 for (port
= 0; port
< R8A66597_MAX_ROOT_HUB
; port
++)
194 r8a66597_enable_port(r8a66597
, port
);
199 static void disable_controller(struct r8a66597
*r8a66597
)
203 if (!(r8a66597_read(r8a66597
, SYSCFG0
) & USBE
))
206 r8a66597_write(r8a66597
, 0, INTENB0
);
207 r8a66597_write(r8a66597
, 0, INTSTS0
);
209 r8a66597_write(r8a66597
, 0, D0FIFOSEL
);
210 r8a66597_write(r8a66597
, 0, D1FIFOSEL
);
211 r8a66597_write(r8a66597
, 0, DCPCFG
);
212 r8a66597_write(r8a66597
, 0x40, DCPMAXP
);
213 r8a66597_write(r8a66597
, 0, DCPCTR
);
215 for (i
= 0; i
<= 10; i
++)
216 r8a66597_write(r8a66597
, 0, get_devadd_addr(i
));
217 for (i
= 1; i
<= 5; i
++) {
218 r8a66597_write(r8a66597
, 0, get_pipetre_addr(i
));
219 r8a66597_write(r8a66597
, 0, get_pipetrn_addr(i
));
221 for (i
= 1; i
< R8A66597_MAX_NUM_PIPE
; i
++) {
222 r8a66597_write(r8a66597
, 0, get_pipectr_addr(i
));
223 r8a66597_write(r8a66597
, i
, PIPESEL
);
224 r8a66597_write(r8a66597
, 0, PIPECFG
);
225 r8a66597_write(r8a66597
, 0, PIPEBUF
);
226 r8a66597_write(r8a66597
, 0, PIPEMAXP
);
227 r8a66597_write(r8a66597
, 0, PIPEPERI
);
230 for (i
= 0; i
< R8A66597_MAX_ROOT_HUB
; i
++)
231 r8a66597_disable_port(r8a66597
, i
);
233 r8a66597_clock_disable(r8a66597
);
236 static void r8a66597_reg_wait(struct r8a66597
*r8a66597
, unsigned long reg
,
243 tmp
= r8a66597_read(r8a66597
, reg
);
245 printf("register%lx, loop %x is timeout\n", reg
, loop
);
248 } while ((tmp
& mask
) != loop
);
251 static void pipe_buffer_setting(struct r8a66597
*r8a66597
,
252 struct usb_device
*dev
, unsigned long pipe
)
255 u16 pipenum
, bufnum
, maxpacket
;
257 if (usb_pipein(pipe
)) {
258 pipenum
= BULK_IN_PIPENUM
;
259 bufnum
= BULK_IN_BUFNUM
;
260 maxpacket
= dev
->epmaxpacketin
[usb_pipeendpoint(pipe
)];
262 pipenum
= BULK_OUT_PIPENUM
;
263 bufnum
= BULK_OUT_BUFNUM
;
264 maxpacket
= dev
->epmaxpacketout
[usb_pipeendpoint(pipe
)];
267 if (r8a66597
->pipe_config
& (1 << pipenum
))
269 r8a66597
->pipe_config
|= (1 << pipenum
);
271 r8a66597_bset(r8a66597
, ACLRM
, get_pipectr_addr(pipenum
));
272 r8a66597_bclr(r8a66597
, ACLRM
, get_pipectr_addr(pipenum
));
273 r8a66597_write(r8a66597
, pipenum
, PIPESEL
);
275 /* FIXME: This driver support bulk transfer only. */
276 if (!usb_pipein(pipe
))
279 val
|= R8A66597_SHTNAK
;
280 val
|= R8A66597_BULK
| R8A66597_DBLB
| usb_pipeendpoint(pipe
);
281 r8a66597_write(r8a66597
, val
, PIPECFG
);
283 r8a66597_write(r8a66597
, (8 << 10) | bufnum
, PIPEBUF
);
284 r8a66597_write(r8a66597
, make_devsel(usb_pipedevice(pipe
)) |
285 maxpacket
, PIPEMAXP
);
286 r8a66597_write(r8a66597
, 0, PIPEPERI
);
287 r8a66597_write(r8a66597
, SQCLR
, get_pipectr_addr(pipenum
));
290 static int send_setup_packet(struct r8a66597
*r8a66597
, struct usb_device
*dev
,
291 struct devrequest
*setup
)
294 unsigned short *p
= (unsigned short *)setup
;
295 unsigned long setup_addr
= USBREQ
;
298 #if defined(CONFIG_RZA_USB)
301 u16 devsel
= setup
->request
== USB_REQ_SET_ADDRESS
? 0 : dev
->devnum
;
303 r8a66597_write(r8a66597
, make_devsel(devsel
) |
304 (8 << dev
->maxpacketsize
), DCPMAXP
);
305 r8a66597_write(r8a66597
, ~(SIGN
| SACK
), INTSTS1
);
307 #if defined(CONFIG_RZA_USB)
308 dcpctr
= r8a66597_read(r8a66597
, DCPCTR
);
309 if ((dcpctr
& PID
) == PID_BUF
) {
310 if (readw_poll_timeout(r8a66597
->reg
+ DCPCTR
, dcpctr
,
311 dcpctr
& BSTS
, 1000) < 0) {
312 printf("DCPCTR BSTS timeout!\n");
318 for (i
= 0; i
< 4; i
++) {
319 r8a66597_write(r8a66597
, le16_to_cpu(p
[i
]), setup_addr
);
322 r8a66597_write(r8a66597
, ~0x0001, BRDYSTS
);
323 r8a66597_write(r8a66597
, SUREQ
, DCPCTR
);
326 intsts1
= r8a66597_read(r8a66597
, INTSTS1
);
329 if (intsts1
& SIGN
) {
330 printf("setup packet send error\n");
334 printf("setup packet timeout\n");
343 static int send_bulk_packet(struct r8a66597
*r8a66597
, struct usb_device
*dev
,
344 unsigned long pipe
, void *buffer
, int transfer_len
)
350 R8A66597_DPRINT("%s\n", __func__
);
352 r8a66597_mdfy(r8a66597
, MBW
| BULK_OUT_PIPENUM
,
353 MBW
| CURPIPE
, CFIFOSEL
);
354 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, BULK_OUT_PIPENUM
);
355 tmp
= r8a66597_read(r8a66597
, CFIFOCTR
);
356 if ((tmp
& FRDY
) == 0) {
357 printf("%s FRDY is not set (%x)\n", __func__
, tmp
);
361 /* prepare parameters */
362 bufsize
= dev
->epmaxpacketout
[usb_pipeendpoint(pipe
)];
363 buf
= (u16
*)(buffer
+ dev
->act_len
);
364 size
= min((int)bufsize
, transfer_len
- dev
->act_len
);
367 r8a66597_write(r8a66597
, ~(1 << BULK_OUT_PIPENUM
), BEMPSTS
);
369 r8a66597_write_fifo(r8a66597
, CFIFO
, buf
, size
);
370 r8a66597_write(r8a66597
, BVAL
, CFIFOCTR
);
373 /* update parameters */
374 dev
->act_len
+= size
;
376 r8a66597_mdfy(r8a66597
, PID_BUF
, PID
,
377 get_pipectr_addr(BULK_OUT_PIPENUM
));
379 while (!(r8a66597_read(r8a66597
, BEMPSTS
) & (1 << BULK_OUT_PIPENUM
)))
382 r8a66597_write(r8a66597
, ~(1 << BULK_OUT_PIPENUM
), BEMPSTS
);
384 if (dev
->act_len
>= transfer_len
)
385 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
,
386 get_pipectr_addr(BULK_OUT_PIPENUM
));
391 static int receive_bulk_packet(struct r8a66597
*r8a66597
,
392 struct usb_device
*dev
,
394 void *buffer
, int transfer_len
)
398 const u16 pipenum
= BULK_IN_PIPENUM
;
400 int maxpacket
= dev
->epmaxpacketin
[usb_pipeendpoint(pipe
)];
402 R8A66597_DPRINT("%s\n", __func__
);
405 if (dev
->act_len
== 0) {
406 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
,
407 get_pipectr_addr(pipenum
));
408 r8a66597_write(r8a66597
, ~(1 << pipenum
), BRDYSTS
);
410 r8a66597_write(r8a66597
, TRCLR
, get_pipetre_addr(pipenum
));
411 r8a66597_write(r8a66597
,
412 (transfer_len
+ maxpacket
- 1) / maxpacket
,
413 get_pipetrn_addr(pipenum
));
414 r8a66597_bset(r8a66597
, TRENB
, get_pipetre_addr(pipenum
));
416 r8a66597_mdfy(r8a66597
, PID_BUF
, PID
,
417 get_pipectr_addr(pipenum
));
420 r8a66597_mdfy(r8a66597
, MBW
| pipenum
, MBW
| CURPIPE
, CFIFOSEL
);
421 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, pipenum
);
423 while (!(r8a66597_read(r8a66597
, BRDYSTS
) & (1 << pipenum
)))
426 r8a66597_write(r8a66597
, ~(1 << pipenum
), BRDYSTS
);
428 tmp
= r8a66597_read(r8a66597
, CFIFOCTR
);
429 if ((tmp
& FRDY
) == 0) {
430 printf("%s FRDY is not set. (%x)\n", __func__
, tmp
);
434 buf
= (u16
*)(buffer
+ dev
->act_len
);
435 rcv_len
= tmp
& DTLN
;
436 dev
->act_len
+= rcv_len
;
440 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
442 r8a66597_read_fifo(r8a66597
, CFIFO
, buf
, rcv_len
);
448 static int receive_control_packet(struct r8a66597
*r8a66597
,
449 struct usb_device
*dev
,
450 void *buffer
, int transfer_len
)
455 /* FIXME: limit transfer size : 64byte or less */
457 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
458 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
459 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
460 r8a66597_bset(r8a66597
, SQSET
, DCPCTR
);
461 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
462 r8a66597_mdfy(r8a66597
, PID_BUF
, PID
, DCPCTR
);
464 while (!(r8a66597_read(r8a66597
, BRDYSTS
) & 0x0001))
467 r8a66597_write(r8a66597
, ~0x0001, BRDYSTS
);
469 r8a66597_mdfy(r8a66597
, MBW
, MBW
| CURPIPE
, CFIFOSEL
);
470 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
472 tmp
= r8a66597_read(r8a66597
, CFIFOCTR
);
473 if ((tmp
& FRDY
) == 0) {
474 printf("%s FRDY is not set. (%x)\n", __func__
, tmp
);
478 rcv_len
= tmp
& DTLN
;
479 dev
->act_len
+= rcv_len
;
481 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
, DCPCTR
);
485 r8a66597_write(r8a66597
, BCLR
, DCPCTR
);
487 r8a66597_read_fifo(r8a66597
, CFIFO
, buffer
, rcv_len
);
493 static int send_status_packet(struct r8a66597
*r8a66597
,
496 r8a66597_bset(r8a66597
, SQSET
, DCPCTR
);
497 r8a66597_mdfy(r8a66597
, PID_NAK
, PID
, DCPCTR
);
499 if (usb_pipein(pipe
)) {
500 r8a66597_bset(r8a66597
, R8A66597_DIR
, DCPCFG
);
501 r8a66597_mdfy(r8a66597
, ISEL
, ISEL
| CURPIPE
, CFIFOSEL
);
502 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
503 r8a66597_write(r8a66597
, ~BEMP0
, BEMPSTS
);
504 r8a66597_write(r8a66597
, BCLR
| BVAL
, CFIFOCTR
);
506 r8a66597_bclr(r8a66597
, R8A66597_DIR
, DCPCFG
);
507 r8a66597_mdfy(r8a66597
, 0, ISEL
| CURPIPE
, CFIFOSEL
);
508 r8a66597_reg_wait(r8a66597
, CFIFOSEL
, CURPIPE
, 0);
509 r8a66597_write(r8a66597
, BCLR
, CFIFOCTR
);
511 r8a66597_mdfy(r8a66597
, PID_BUF
, PID
, DCPCTR
);
513 while (!(r8a66597_read(r8a66597
, BEMPSTS
) & 0x0001))
520 static void r8a66597_check_syssts(struct r8a66597
*r8a66597
, int port
)
522 int count
= R8A66597_MAX_SAMPLING
;
523 unsigned short syssts
, old_syssts
;
525 R8A66597_DPRINT("%s\n", __func__
);
527 old_syssts
= r8a66597_read(r8a66597
, get_syssts_reg(port
) & LNST
);
529 mdelay(R8A66597_RH_POLL_TIME
);
531 syssts
= r8a66597_read(r8a66597
, get_syssts_reg(port
) & LNST
);
532 if (syssts
== old_syssts
) {
535 count
= R8A66597_MAX_SAMPLING
;
541 static void r8a66597_bus_reset(struct r8a66597
*r8a66597
, int port
)
544 r8a66597_mdfy(r8a66597
, USBRST
, USBRST
| UACT
, get_dvstctr_reg(port
));
546 r8a66597_mdfy(r8a66597
, UACT
, USBRST
| UACT
, get_dvstctr_reg(port
));
550 static int check_usb_device_connecting(struct r8a66597
*r8a66597
)
552 int timeout
= 10000; /* 100usec * 10000 = 1sec */
555 for (i
= 0; i
< 5; i
++) {
556 /* check a usb cable connect */
557 while (!(r8a66597_read(r8a66597
, INTSTS1
) & ATTCH
)) {
559 printf("%s timeout.\n", __func__
);
565 /* check a data line */
566 r8a66597_check_syssts(r8a66597
, 0);
568 r8a66597_bus_reset(r8a66597
, 0);
569 r8a66597
->speed
= get_rh_usb_speed(r8a66597
, 0);
571 if (!(r8a66597_read(r8a66597
, INTSTS1
) & DTCH
)) {
572 r8a66597
->port_change
= USB_PORT_STAT_C_CONNECTION
;
573 r8a66597
->port_status
= USB_PORT_STAT_CONNECTION
|
574 USB_PORT_STAT_ENABLE
;
575 return 0; /* success */
578 R8A66597_DPRINT("USB device has detached. retry = %d\n", i
);
579 r8a66597_write(r8a66597
, ~DTCH
, INTSTS1
);
582 return -1; /* fail */
585 /*-------------------------------------------------------------------------*
587 *-------------------------------------------------------------------------*/
589 #include <usbroothubdes.h>
591 static int r8a66597_submit_rh_msg(struct usb_device
*dev
, unsigned long pipe
,
592 void *buffer
, int transfer_len
, struct devrequest
*cmd
)
594 struct r8a66597
*r8a66597
= &gr8a66597
;
595 int leni
= transfer_len
;
601 unsigned char data
[32];
603 R8A66597_DPRINT("%s\n", __func__
);
605 if (usb_pipeint(pipe
)) {
606 printf("Root-Hub submit IRQ: NOT implemented");
610 bmRType_bReq
= cmd
->requesttype
| (cmd
->request
<< 8);
611 wValue
= cpu_to_le16 (cmd
->value
);
612 wLength
= cpu_to_le16 (cmd
->length
);
614 switch (bmRType_bReq
) {
616 *(__u16
*)buffer
= cpu_to_le16(1);
619 case RH_GET_STATUS
| RH_INTERFACE
:
620 *(__u16
*)buffer
= cpu_to_le16(0);
623 case RH_GET_STATUS
| RH_ENDPOINT
:
624 *(__u16
*)buffer
= cpu_to_le16(0);
627 case RH_GET_STATUS
| RH_CLASS
:
628 *(__u32
*)buffer
= cpu_to_le32(0);
631 case RH_GET_STATUS
| RH_OTHER
| RH_CLASS
:
632 *(__u32
*)buffer
= cpu_to_le32(r8a66597
->port_status
|
633 (r8a66597
->port_change
<< 16));
636 case RH_CLEAR_FEATURE
| RH_ENDPOINT
:
637 case RH_CLEAR_FEATURE
| RH_CLASS
:
640 case RH_CLEAR_FEATURE
| RH_OTHER
| RH_CLASS
:
642 case RH_C_PORT_CONNECTION
:
643 r8a66597
->port_change
&= ~USB_PORT_STAT_C_CONNECTION
;
648 case RH_SET_FEATURE
| RH_OTHER
| RH_CLASS
:
650 case (RH_PORT_SUSPEND
):
652 case (RH_PORT_RESET
):
653 r8a66597_bus_reset(r8a66597
, 0);
655 case (RH_PORT_POWER
):
657 case (RH_PORT_ENABLE
):
662 gr8a66597
.rh_devnum
= wValue
;
664 case RH_GET_DESCRIPTOR
:
665 switch ((wValue
& 0xff00) >> 8) {
666 case (0x01): /* device descriptor */
667 len
= min_t(unsigned int,
670 sizeof(root_hub_dev_des
),
672 memcpy(buffer
, root_hub_dev_des
, len
);
674 case (0x02): /* configuration descriptor */
675 len
= min_t(unsigned int,
678 sizeof(root_hub_config_des
),
680 memcpy(buffer
, root_hub_config_des
, len
);
682 case (0x03): /* string descriptors */
683 if (wValue
== 0x0300) {
684 len
= min_t(unsigned int,
687 sizeof(root_hub_str_index0
),
689 memcpy(buffer
, root_hub_str_index0
, len
);
691 if (wValue
== 0x0301) {
692 len
= min_t(unsigned int,
695 sizeof(root_hub_str_index1
),
697 memcpy(buffer
, root_hub_str_index1
, len
);
701 stat
= USB_ST_STALLED
;
705 case RH_GET_DESCRIPTOR
| RH_CLASS
:
707 __u32 temp
= 0x00000001;
709 data
[0] = 9; /* min length; */
711 data
[2] = temp
& RH_A_NDP
;
715 if (temp
& RH_A_NOCP
)
717 else if (temp
& RH_A_OCPM
)
720 /* corresponds to data[4-7] */
721 data
[5] = (temp
& RH_A_POTPGT
) >> 24;
722 data
[7] = temp
& RH_B_DR
;
727 data
[8] = (temp
& RH_B_DR
) >> 8;
728 data
[10] = data
[9] = 0xff;
731 len
= min_t(unsigned int, leni
,
732 min_t(unsigned int, data
[0], wLength
));
733 memcpy(buffer
, data
, len
);
737 case RH_GET_CONFIGURATION
:
738 *(__u8
*) buffer
= 0x01;
741 case RH_SET_CONFIGURATION
:
744 R8A66597_DPRINT("unsupported root hub command");
745 stat
= USB_ST_STALLED
;
750 len
= min_t(int, len
, leni
);
758 int submit_bulk_msg(struct usb_device
*dev
, unsigned long pipe
, void *buffer
,
761 struct r8a66597
*r8a66597
= &gr8a66597
;
764 R8A66597_DPRINT("%s\n", __func__
);
765 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
766 pipe
, buffer
, transfer_len
, dev
->devnum
);
768 set_devadd(r8a66597
, dev
->devnum
, dev
, 0);
770 pipe_buffer_setting(r8a66597
, dev
, pipe
);
773 while (dev
->act_len
< transfer_len
&& ret
== 0) {
777 if (usb_pipein(pipe
))
778 ret
= receive_bulk_packet(r8a66597
, dev
, pipe
, buffer
,
781 ret
= send_bulk_packet(r8a66597
, dev
, pipe
, buffer
,
791 int submit_control_msg(struct usb_device
*dev
, unsigned long pipe
,
792 void *buffer
, int transfer_len
, struct devrequest
*setup
)
794 struct r8a66597
*r8a66597
= &gr8a66597
;
795 u16 r8a66597_address
= setup
->request
== USB_REQ_SET_ADDRESS
?
798 R8A66597_DPRINT("%s\n", __func__
);
799 if (usb_pipedevice(pipe
) == r8a66597
->rh_devnum
)
800 return r8a66597_submit_rh_msg(dev
, pipe
, buffer
, transfer_len
,
803 R8A66597_DPRINT("%s: setup\n", __func__
);
804 set_devadd(r8a66597
, r8a66597_address
, dev
, 0);
806 if (send_setup_packet(r8a66597
, dev
, setup
) < 0) {
807 printf("setup packet send error\n");
812 if (usb_pipein(pipe
))
813 if (receive_control_packet(r8a66597
, dev
, buffer
,
817 if (send_status_packet(r8a66597
, pipe
) < 0)
825 int submit_int_msg(struct usb_device
*dev
, unsigned long pipe
, void *buffer
,
826 int transfer_len
, int interval
)
829 R8A66597_DPRINT("%s\n", __func__
);
833 int usb_lowlevel_init(int index
, enum usb_init_type init
, void **controller
)
835 struct r8a66597
*r8a66597
= &gr8a66597
;
837 R8A66597_DPRINT("%s\n", __func__
);
839 memset(r8a66597
, 0, sizeof(*r8a66597
));
840 r8a66597
->reg
= CONFIG_R8A66597_BASE_ADDR
;
842 disable_controller(r8a66597
);
845 enable_controller(r8a66597
);
846 r8a66597_port_power(r8a66597
, 0 , 1);
848 /* check usb device */
849 check_usb_device_connecting(r8a66597
);
856 int usb_lowlevel_stop(int index
)
858 disable_controller(&gr8a66597
);