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);