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 const char hcd_name[] = "r8a66597_hcd";
24 static struct r8a66597 gr8a66597;
26 static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
33 /* check a device connected to root_hub */
34 if ((dev->parent && dev->parent->devnum == 1) ||
38 for (i = 0; i < USB_MAXCHILDREN; i++) {
39 if (dev->parent->children[i] == dev) {
40 *hub_devnum = (u8)dev->parent->devnum;
46 printf("get_hub_data error.\n");
49 static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
50 struct usb_device *dev, int port)
52 u16 val, usbspd, upphub, hubport;
53 unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
55 get_hub_data(dev, &upphub, &hubport);
56 usbspd = r8a66597->speed;
57 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
58 r8a66597_write(r8a66597, val, devadd_reg);
61 static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
66 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
68 r8a66597_write(r8a66597, SCKE, SYSCFG0);
69 tmp = r8a66597_read(r8a66597, SYSCFG0);
71 printf("register access fail.\n");
74 } while ((tmp & SCKE) != SCKE);
75 r8a66597_write(r8a66597, 0x04, 0x02);
78 r8a66597_write(r8a66597, USBE, SYSCFG0);
79 tmp = r8a66597_read(r8a66597, SYSCFG0);
81 printf("register access fail.\n");
84 } while ((tmp & USBE) != USBE);
85 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
86 #if !defined(CONFIG_RZA_USB)
87 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0);
90 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
93 tmp = r8a66597_read(r8a66597, SYSCFG0);
95 printf("register access fail.\n");
98 } while ((tmp & SCKE) != SCKE);
102 * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0
103 * and USB1, so we must always set the USB0 register
105 #if (CONFIG_R8A66597_XTAL == 1)
106 setbits(le16, R8A66597_BASE0, XTAL);
109 setbits(le16, R8A66597_BASE0, UPLLE);
111 r8a66597_bset(r8a66597, SUSPM, SUSPMODE0);
112 #endif /* CONFIG_RZA_USB */
113 #endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
118 static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
120 #if !defined(CONFIG_RZA_USB)
121 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
123 #if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
124 r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
125 r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
126 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
129 r8a66597_bclr(r8a66597, SUSPM, SUSPMODE0);
131 clrbits(le16, R8A66597_BASE0, UPLLE);
133 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
139 static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
143 val = port ? DRPD : DCFM | DRPD;
144 r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
145 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
147 #if !defined(CONFIG_RZA_USB)
148 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
152 static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
156 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
157 r8a66597_write(r8a66597, 0, get_intsts_reg(port));
159 r8a66597_port_power(r8a66597, port, 0);
162 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
164 } while (tmp == EDGESTS);
166 val = port ? DRPD : DCFM | DRPD;
167 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
168 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
171 static int enable_controller(struct r8a66597 *r8a66597)
175 ret = r8a66597_clock_enable(r8a66597);
179 #if !defined(CONFIG_RZA_USB)
180 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG);
182 r8a66597_bset(r8a66597, USBE, SYSCFG0);
184 r8a66597_bset(r8a66597, INTL, SOFCFG);
185 r8a66597_write(r8a66597, 0, INTENB0);
186 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
187 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
189 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL);
190 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL);
191 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL);
192 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
194 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
195 r8a66597_enable_port(r8a66597, port);
200 static void disable_controller(struct r8a66597 *r8a66597)
204 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
207 r8a66597_write(r8a66597, 0, INTENB0);
208 r8a66597_write(r8a66597, 0, INTSTS0);
210 r8a66597_write(r8a66597, 0, D0FIFOSEL);
211 r8a66597_write(r8a66597, 0, D1FIFOSEL);
212 r8a66597_write(r8a66597, 0, DCPCFG);
213 r8a66597_write(r8a66597, 0x40, DCPMAXP);
214 r8a66597_write(r8a66597, 0, DCPCTR);
216 for (i = 0; i <= 10; i++)
217 r8a66597_write(r8a66597, 0, get_devadd_addr(i));
218 for (i = 1; i <= 5; i++) {
219 r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
220 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
222 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
223 r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
224 r8a66597_write(r8a66597, i, PIPESEL);
225 r8a66597_write(r8a66597, 0, PIPECFG);
226 r8a66597_write(r8a66597, 0, PIPEBUF);
227 r8a66597_write(r8a66597, 0, PIPEMAXP);
228 r8a66597_write(r8a66597, 0, PIPEPERI);
231 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
232 r8a66597_disable_port(r8a66597, i);
234 r8a66597_clock_disable(r8a66597);
237 static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
244 tmp = r8a66597_read(r8a66597, reg);
246 printf("register%lx, loop %x is timeout\n", reg, loop);
249 } while ((tmp & mask) != loop);
252 static void pipe_buffer_setting(struct r8a66597 *r8a66597,
253 struct usb_device *dev, unsigned long pipe)
256 u16 pipenum, bufnum, maxpacket;
258 if (usb_pipein(pipe)) {
259 pipenum = BULK_IN_PIPENUM;
260 bufnum = BULK_IN_BUFNUM;
261 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
263 pipenum = BULK_OUT_PIPENUM;
264 bufnum = BULK_OUT_BUFNUM;
265 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
268 if (r8a66597->pipe_config & (1 << pipenum))
270 r8a66597->pipe_config |= (1 << pipenum);
272 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
273 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
274 r8a66597_write(r8a66597, pipenum, PIPESEL);
276 /* FIXME: This driver support bulk transfer only. */
277 if (!usb_pipein(pipe))
280 val |= R8A66597_SHTNAK;
281 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
282 r8a66597_write(r8a66597, val, PIPECFG);
284 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
285 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
286 maxpacket, PIPEMAXP);
287 r8a66597_write(r8a66597, 0, PIPEPERI);
288 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
291 static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
292 struct devrequest *setup)
295 unsigned short *p = (unsigned short *)setup;
296 unsigned long setup_addr = USBREQ;
299 #if defined(CONFIG_RZA_USB)
302 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
304 r8a66597_write(r8a66597, make_devsel(devsel) |
305 (8 << dev->maxpacketsize), DCPMAXP);
306 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
308 #if defined(CONFIG_RZA_USB)
309 dcpctr = r8a66597_read(r8a66597, DCPCTR);
310 if ((dcpctr & PID) == PID_BUF) {
311 if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
312 dcpctr & BSTS, 1000) < 0) {
313 printf("DCPCTR BSTS timeout!\n");
319 for (i = 0; i < 4; i++) {
320 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
323 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
324 r8a66597_write(r8a66597, SUREQ, DCPCTR);
327 intsts1 = r8a66597_read(r8a66597, INTSTS1);
330 if (intsts1 & SIGN) {
331 printf("setup packet send error\n");
335 printf("setup packet timeout\n");
344 static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
345 unsigned long pipe, void *buffer, int transfer_len)
351 R8A66597_DPRINT("%s\n", __func__);
353 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
354 MBW | CURPIPE, CFIFOSEL);
355 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
356 tmp = r8a66597_read(r8a66597, CFIFOCTR);
357 if ((tmp & FRDY) == 0) {
358 printf("%s FRDY is not set (%x)\n", __func__, tmp);
362 /* prepare parameters */
363 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
364 buf = (u16 *)(buffer + dev->act_len);
365 size = min((int)bufsize, transfer_len - dev->act_len);
368 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
370 r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
371 r8a66597_write(r8a66597, BVAL, CFIFOCTR);
374 /* update parameters */
375 dev->act_len += size;
377 r8a66597_mdfy(r8a66597, PID_BUF, PID,
378 get_pipectr_addr(BULK_OUT_PIPENUM));
380 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
383 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
385 if (dev->act_len >= transfer_len)
386 r8a66597_mdfy(r8a66597, PID_NAK, PID,
387 get_pipectr_addr(BULK_OUT_PIPENUM));
392 static int receive_bulk_packet(struct r8a66597 *r8a66597,
393 struct usb_device *dev,
395 void *buffer, int transfer_len)
399 const u16 pipenum = BULK_IN_PIPENUM;
401 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
403 R8A66597_DPRINT("%s\n", __func__);
406 if (dev->act_len == 0) {
407 r8a66597_mdfy(r8a66597, PID_NAK, PID,
408 get_pipectr_addr(pipenum));
409 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
411 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
412 r8a66597_write(r8a66597,
413 (transfer_len + maxpacket - 1) / maxpacket,
414 get_pipetrn_addr(pipenum));
415 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
417 r8a66597_mdfy(r8a66597, PID_BUF, PID,
418 get_pipectr_addr(pipenum));
421 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
422 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
424 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
427 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
429 tmp = r8a66597_read(r8a66597, CFIFOCTR);
430 if ((tmp & FRDY) == 0) {
431 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
435 buf = (u16 *)(buffer + dev->act_len);
436 rcv_len = tmp & DTLN;
437 dev->act_len += rcv_len;
441 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
443 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
449 static int receive_control_packet(struct r8a66597 *r8a66597,
450 struct usb_device *dev,
451 void *buffer, int transfer_len)
456 /* FIXME: limit transfer size : 64byte or less */
458 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
459 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
460 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
461 r8a66597_bset(r8a66597, SQSET, DCPCTR);
462 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
463 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
465 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
468 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
470 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
471 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
473 tmp = r8a66597_read(r8a66597, CFIFOCTR);
474 if ((tmp & FRDY) == 0) {
475 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
479 rcv_len = tmp & DTLN;
480 dev->act_len += rcv_len;
482 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
486 r8a66597_write(r8a66597, BCLR, DCPCTR);
488 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
494 static int send_status_packet(struct r8a66597 *r8a66597,
497 r8a66597_bset(r8a66597, SQSET, DCPCTR);
498 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
500 if (usb_pipein(pipe)) {
501 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
502 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
503 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
504 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
505 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
507 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
508 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
509 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
510 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
512 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
514 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
521 static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
523 int count = R8A66597_MAX_SAMPLING;
524 unsigned short syssts, old_syssts;
526 R8A66597_DPRINT("%s\n", __func__);
528 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
530 mdelay(R8A66597_RH_POLL_TIME);
532 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
533 if (syssts == old_syssts) {
536 count = R8A66597_MAX_SAMPLING;
542 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
545 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
547 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
551 static int check_usb_device_connecting(struct r8a66597 *r8a66597)
553 int timeout = 10000; /* 100usec * 10000 = 1sec */
556 for (i = 0; i < 5; i++) {
557 /* check a usb cable connect */
558 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
560 printf("%s timeout.\n", __func__);
566 /* check a data line */
567 r8a66597_check_syssts(r8a66597, 0);
569 r8a66597_bus_reset(r8a66597, 0);
570 r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
572 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
573 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
574 r8a66597->port_status = USB_PORT_STAT_CONNECTION |
575 USB_PORT_STAT_ENABLE;
576 return 0; /* success */
579 R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
580 r8a66597_write(r8a66597, ~DTCH, INTSTS1);
583 return -1; /* fail */
586 /*-------------------------------------------------------------------------*
588 *-------------------------------------------------------------------------*/
590 #include <usbroothubdes.h>
592 static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
593 void *buffer, int transfer_len, struct devrequest *cmd)
595 struct r8a66597 *r8a66597 = &gr8a66597;
596 int leni = transfer_len;
602 unsigned char data[32];
604 R8A66597_DPRINT("%s\n", __func__);
606 if (usb_pipeint(pipe)) {
607 printf("Root-Hub submit IRQ: NOT implemented");
611 bmRType_bReq = cmd->requesttype | (cmd->request << 8);
612 wValue = cpu_to_le16 (cmd->value);
613 wLength = cpu_to_le16 (cmd->length);
615 switch (bmRType_bReq) {
617 *(__u16 *)buffer = cpu_to_le16(1);
620 case RH_GET_STATUS | RH_INTERFACE:
621 *(__u16 *)buffer = cpu_to_le16(0);
624 case RH_GET_STATUS | RH_ENDPOINT:
625 *(__u16 *)buffer = cpu_to_le16(0);
628 case RH_GET_STATUS | RH_CLASS:
629 *(__u32 *)buffer = cpu_to_le32(0);
632 case RH_GET_STATUS | RH_OTHER | RH_CLASS:
633 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
634 (r8a66597->port_change << 16));
637 case RH_CLEAR_FEATURE | RH_ENDPOINT:
638 case RH_CLEAR_FEATURE | RH_CLASS:
641 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
643 case RH_C_PORT_CONNECTION:
644 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
649 case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
651 case (RH_PORT_SUSPEND):
653 case (RH_PORT_RESET):
654 r8a66597_bus_reset(r8a66597, 0);
656 case (RH_PORT_POWER):
658 case (RH_PORT_ENABLE):
663 gr8a66597.rh_devnum = wValue;
665 case RH_GET_DESCRIPTOR:
666 switch ((wValue & 0xff00) >> 8) {
667 case (0x01): /* device descriptor */
668 len = min_t(unsigned int,
671 sizeof(root_hub_dev_des),
673 memcpy(buffer, root_hub_dev_des, len);
675 case (0x02): /* configuration descriptor */
676 len = min_t(unsigned int,
679 sizeof(root_hub_config_des),
681 memcpy(buffer, root_hub_config_des, len);
683 case (0x03): /* string descriptors */
684 if (wValue == 0x0300) {
685 len = min_t(unsigned int,
688 sizeof(root_hub_str_index0),
690 memcpy(buffer, root_hub_str_index0, len);
692 if (wValue == 0x0301) {
693 len = min_t(unsigned int,
696 sizeof(root_hub_str_index1),
698 memcpy(buffer, root_hub_str_index1, len);
702 stat = USB_ST_STALLED;
706 case RH_GET_DESCRIPTOR | RH_CLASS:
708 __u32 temp = 0x00000001;
710 data[0] = 9; /* min length; */
712 data[2] = temp & RH_A_NDP;
716 if (temp & RH_A_NOCP)
718 else if (temp & RH_A_OCPM)
721 /* corresponds to data[4-7] */
722 data[5] = (temp & RH_A_POTPGT) >> 24;
723 data[7] = temp & RH_B_DR;
728 data[8] = (temp & RH_B_DR) >> 8;
729 data[10] = data[9] = 0xff;
732 len = min_t(unsigned int, leni,
733 min_t(unsigned int, data[0], wLength));
734 memcpy(buffer, data, len);
738 case RH_GET_CONFIGURATION:
739 *(__u8 *) buffer = 0x01;
742 case RH_SET_CONFIGURATION:
745 R8A66597_DPRINT("unsupported root hub command");
746 stat = USB_ST_STALLED;
751 len = min_t(int, len, leni);
759 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
762 struct r8a66597 *r8a66597 = &gr8a66597;
765 R8A66597_DPRINT("%s\n", __func__);
766 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
767 pipe, buffer, transfer_len, dev->devnum);
769 set_devadd(r8a66597, dev->devnum, dev, 0);
771 pipe_buffer_setting(r8a66597, dev, pipe);
774 while (dev->act_len < transfer_len && ret == 0) {
778 if (usb_pipein(pipe))
779 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
782 ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
792 int submit_control_msg(struct usb_device *dev, unsigned long pipe,
793 void *buffer, int transfer_len, struct devrequest *setup)
795 struct r8a66597 *r8a66597 = &gr8a66597;
796 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
799 R8A66597_DPRINT("%s\n", __func__);
800 if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
801 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len,
804 R8A66597_DPRINT("%s: setup\n", __func__);
805 set_devadd(r8a66597, r8a66597_address, dev, 0);
807 if (send_setup_packet(r8a66597, dev, setup) < 0) {
808 printf("setup packet send error\n");
813 if (usb_pipein(pipe))
814 if (receive_control_packet(r8a66597, dev, buffer,
818 if (send_status_packet(r8a66597, pipe) < 0)
826 int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
827 int transfer_len, int interval)
830 R8A66597_DPRINT("%s\n", __func__);
834 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
836 struct r8a66597 *r8a66597 = &gr8a66597;
838 R8A66597_DPRINT("%s\n", __func__);
840 memset(r8a66597, 0, sizeof(*r8a66597));
841 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
843 disable_controller(r8a66597);
846 enable_controller(r8a66597);
847 r8a66597_port_power(r8a66597, 0 , 1);
849 /* check usb device */
850 check_usb_device_connecting(r8a66597);
857 int usb_lowlevel_stop(int index)
859 disable_controller(&gr8a66597);