2 * R8A66597 HCD (Host Controller Driver) for u-boot
4 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 #if defined(CONFIG_USB_R8A66597_HCD)
30 #define R8A66597_DPRINT printf
32 #define R8A66597_DPRINT(...)
35 static const char hcd_name[] = "r8a66597_hcd";
36 static unsigned short clock = CONFIG_R8A66597_XTAL;
37 static unsigned short vif = CONFIG_R8A66597_LDRV;
38 static unsigned short endian = CONFIG_R8A66597_ENDIAN;
39 static struct r8a66597 gr8a66597;
41 static void set_devadd_reg(struct r8a66597 *r8a66597, u8 r8a66597_address,
42 u16 usbspd, u8 upphub, u8 hubport, int port)
45 unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
47 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
48 r8a66597_write(r8a66597, val, devadd_reg);
51 static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
56 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
58 r8a66597_write(r8a66597, SCKE, SYSCFG0);
59 tmp = r8a66597_read(r8a66597, SYSCFG0);
61 printf("register access fail.\n");
64 } while ((tmp & SCKE) != SCKE);
65 r8a66597_write(r8a66597, 0x04, 0x02);
68 r8a66597_write(r8a66597, USBE, SYSCFG0);
69 tmp = r8a66597_read(r8a66597, SYSCFG0);
71 printf("register access fail.\n");
74 } while ((tmp & USBE) != USBE);
75 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
76 r8a66597_mdfy(r8a66597, clock, XTAL, SYSCFG0);
79 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
82 tmp = r8a66597_read(r8a66597, SYSCFG0);
84 printf("register access fail.\n");
87 } while ((tmp & SCKE) != SCKE);
88 #endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
93 static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
95 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
97 #if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
98 r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
99 r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
100 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
104 static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
108 val = port ? DRPD : DCFM | DRPD;
109 r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
110 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
112 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
115 static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
119 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
120 r8a66597_write(r8a66597, 0, get_intsts_reg(port));
122 r8a66597_port_power(r8a66597, port, 0);
125 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
127 } while (tmp == EDGESTS);
129 val = port ? DRPD : DCFM | DRPD;
130 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
131 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
134 static int enable_controller(struct r8a66597 *r8a66597)
138 ret = r8a66597_clock_enable(r8a66597);
142 r8a66597_bset(r8a66597, vif & LDRV, PINCFG);
143 r8a66597_bset(r8a66597, USBE, SYSCFG0);
145 r8a66597_bset(r8a66597, INTL, SOFCFG);
146 r8a66597_write(r8a66597, 0, INTENB0);
147 r8a66597_write(r8a66597, 0, INTENB1);
148 r8a66597_write(r8a66597, 0, INTENB2);
150 r8a66597_bset(r8a66597, endian & BIGEND, CFIFOSEL);
151 r8a66597_bset(r8a66597, endian & BIGEND, D0FIFOSEL);
152 r8a66597_bset(r8a66597, endian & BIGEND, D1FIFOSEL);
153 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
155 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
156 r8a66597_enable_port(r8a66597, port);
161 static void disable_controller(struct r8a66597 *r8a66597)
165 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
168 r8a66597_write(r8a66597, 0, INTENB0);
169 r8a66597_write(r8a66597, 0, INTSTS0);
171 r8a66597_write(r8a66597, 0, D0FIFOSEL);
172 r8a66597_write(r8a66597, 0, D1FIFOSEL);
173 r8a66597_write(r8a66597, 0, DCPCFG);
174 r8a66597_write(r8a66597, 0x40, DCPMAXP);
175 r8a66597_write(r8a66597, 0, DCPCTR);
177 for (i = 0; i <= 10; i++)
178 r8a66597_write(r8a66597, 0, get_devadd_addr(i));
179 for (i = 1; i <= 5; i++) {
180 r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
181 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
183 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
184 r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
185 r8a66597_write(r8a66597, i, PIPESEL);
186 r8a66597_write(r8a66597, 0, PIPECFG);
187 r8a66597_write(r8a66597, 0, PIPEBUF);
188 r8a66597_write(r8a66597, 0, PIPEMAXP);
189 r8a66597_write(r8a66597, 0, PIPEPERI);
192 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
193 r8a66597_disable_port(r8a66597, i);
195 r8a66597_clock_disable(r8a66597);
198 static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
205 tmp = r8a66597_read(r8a66597, reg);
207 printf("register%lx, loop %x is timeout\n", reg, loop);
210 } while ((tmp & mask) != loop);
213 static void pipe_buffer_setting(struct r8a66597 *r8a66597,
214 struct usb_device *dev, unsigned long pipe)
217 u16 pipenum, bufnum, maxpacket;
219 if (usb_pipein(pipe)) {
220 pipenum = BULK_IN_PIPENUM;
221 bufnum = BULK_IN_BUFNUM;
222 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
224 pipenum = BULK_OUT_PIPENUM;
225 bufnum = BULK_OUT_BUFNUM;
226 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
229 if (r8a66597->pipe_config & (1 << pipenum))
231 r8a66597->pipe_config |= (1 << pipenum);
233 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
234 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
235 r8a66597_write(r8a66597, pipenum, PIPESEL);
237 /* FIXME: This driver support bulk transfer only. */
238 if (!usb_pipein(pipe))
241 val |= R8A66597_SHTNAK;
242 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
243 r8a66597_write(r8a66597, val, PIPECFG);
245 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
246 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
247 maxpacket, PIPEMAXP);
248 r8a66597_write(r8a66597, 0, PIPEPERI);
249 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
252 static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
253 struct devrequest *setup)
256 unsigned short *p = (unsigned short *)setup;
257 unsigned long setup_addr = USBREQ;
260 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
262 r8a66597_write(r8a66597, make_devsel(devsel) |
263 (8 << dev->maxpacketsize), DCPMAXP);
264 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
266 for (i = 0; i < 4; i++) {
267 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
270 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
271 r8a66597_write(r8a66597, SUREQ, DCPCTR);
274 intsts1 = r8a66597_read(r8a66597, INTSTS1);
277 if (intsts1 & SIGN) {
278 printf("setup packet send error\n");
282 printf("setup packet timeout\n");
291 static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
292 unsigned long pipe, void *buffer, int transfer_len)
298 R8A66597_DPRINT("%s\n", __func__);
300 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
301 MBW | CURPIPE, CFIFOSEL);
302 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
303 tmp = r8a66597_read(r8a66597, CFIFOCTR);
304 if ((tmp & FRDY) == 0) {
305 printf("%s FRDY is not set (%x)\n", __func__, tmp);
309 /* prepare parameters */
310 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
311 buf = (u16 *)(buffer + dev->act_len);
312 size = min((int)bufsize, transfer_len - dev->act_len);
315 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
317 r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
318 r8a66597_write(r8a66597, BVAL, CFIFOCTR);
321 /* update parameters */
322 dev->act_len += size;
324 r8a66597_mdfy(r8a66597, PID_BUF, PID,
325 get_pipectr_addr(BULK_OUT_PIPENUM));
327 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
330 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
332 if (dev->act_len >= transfer_len)
333 r8a66597_mdfy(r8a66597, PID_NAK, PID,
334 get_pipectr_addr(BULK_OUT_PIPENUM));
339 static int receive_bulk_packet(struct r8a66597 *r8a66597,
340 struct usb_device *dev,
342 void *buffer, int transfer_len)
346 const u16 pipenum = BULK_IN_PIPENUM;
348 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
350 R8A66597_DPRINT("%s\n", __func__);
353 if (dev->act_len == 0) {
354 r8a66597_mdfy(r8a66597, PID_NAK, PID,
355 get_pipectr_addr(pipenum));
356 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
358 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
359 r8a66597_write(r8a66597,
360 (transfer_len + maxpacket - 1) / maxpacket,
361 get_pipetrn_addr(pipenum));
362 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
364 r8a66597_mdfy(r8a66597, PID_BUF, PID,
365 get_pipectr_addr(pipenum));
368 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
369 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
371 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
374 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
376 tmp = r8a66597_read(r8a66597, CFIFOCTR);
377 if ((tmp & FRDY) == 0) {
378 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
382 buf = (u16 *)(buffer + dev->act_len);
383 rcv_len = tmp & DTLN;
384 dev->act_len += rcv_len;
388 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
390 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
396 static int receive_control_packet(struct r8a66597 *r8a66597,
397 struct usb_device *dev,
398 void *buffer, int transfer_len)
403 /* FIXME: limit transfer size : 64byte or less */
405 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
406 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
407 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
408 r8a66597_bset(r8a66597, SQSET, DCPCTR);
409 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
410 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
412 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
415 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
417 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
418 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
420 tmp = r8a66597_read(r8a66597, CFIFOCTR);
421 if ((tmp & FRDY) == 0) {
422 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
426 rcv_len = tmp & DTLN;
427 dev->act_len += rcv_len;
429 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
433 r8a66597_write(r8a66597, BCLR, DCPCTR);
435 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
441 static int send_status_packet(struct r8a66597 *r8a66597,
444 r8a66597_bset(r8a66597, SQSET, DCPCTR);
445 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
447 if (usb_pipein(pipe)) {
448 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
449 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
450 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
451 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
452 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
454 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
455 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
456 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
457 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
459 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
461 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
468 static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
470 int count = R8A66597_MAX_SAMPLING;
471 unsigned short syssts, old_syssts;
473 R8A66597_DPRINT("%s\n", __func__);
475 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
477 wait_ms(R8A66597_RH_POLL_TIME);
479 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
480 if (syssts == old_syssts) {
483 count = R8A66597_MAX_SAMPLING;
489 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
492 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
494 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
498 static int check_usb_device_connecting(struct r8a66597 *r8a66597)
500 int timeout = 10000; /* 100usec * 10000 = 1sec */
503 for (i = 0; i < 5; i++) {
504 /* check a usb cable connect */
505 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
507 printf("%s timeout.\n", __func__);
513 /* check a data line */
514 r8a66597_check_syssts(r8a66597, 0);
516 r8a66597_bus_reset(r8a66597, 0);
517 r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
519 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
520 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
521 r8a66597->port_status = USB_PORT_STAT_CONNECTION |
522 USB_PORT_STAT_ENABLE;
523 return 0; /* success */
526 R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
527 r8a66597_write(r8a66597, ~DTCH, INTSTS1);
530 return -1; /* fail */
533 /* based on usb_ohci.c */
534 #define min_t(type, x, y) \
535 ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
536 /*-------------------------------------------------------------------------*
538 *-------------------------------------------------------------------------*/
540 /* Device descriptor */
541 static __u8 root_hub_dev_des[] =
543 0x12, /* __u8 bLength; */
544 0x01, /* __u8 bDescriptorType; Device */
545 0x10, /* __u16 bcdUSB; v1.1 */
547 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */
548 0x00, /* __u8 bDeviceSubClass; */
549 0x00, /* __u8 bDeviceProtocol; */
550 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */
551 0x00, /* __u16 idVendor; */
553 0x00, /* __u16 idProduct; */
555 0x00, /* __u16 bcdDevice; */
557 0x00, /* __u8 iManufacturer; */
558 0x01, /* __u8 iProduct; */
559 0x00, /* __u8 iSerialNumber; */
560 0x01 /* __u8 bNumConfigurations; */
563 /* Configuration descriptor */
564 static __u8 root_hub_config_des[] =
566 0x09, /* __u8 bLength; */
567 0x02, /* __u8 bDescriptorType; Configuration */
568 0x19, /* __u16 wTotalLength; */
570 0x01, /* __u8 bNumInterfaces; */
571 0x01, /* __u8 bConfigurationValue; */
572 0x00, /* __u8 iConfiguration; */
573 0x40, /* __u8 bmAttributes; */
575 0x00, /* __u8 MaxPower; */
578 0x09, /* __u8 if_bLength; */
579 0x04, /* __u8 if_bDescriptorType; Interface */
580 0x00, /* __u8 if_bInterfaceNumber; */
581 0x00, /* __u8 if_bAlternateSetting; */
582 0x01, /* __u8 if_bNumEndpoints; */
583 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */
584 0x00, /* __u8 if_bInterfaceSubClass; */
585 0x00, /* __u8 if_bInterfaceProtocol; */
586 0x00, /* __u8 if_iInterface; */
589 0x07, /* __u8 ep_bLength; */
590 0x05, /* __u8 ep_bDescriptorType; Endpoint */
591 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */
592 0x03, /* __u8 ep_bmAttributes; Interrupt */
593 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
595 0xff /* __u8 ep_bInterval; 255 ms */
598 static unsigned char root_hub_str_index0[] =
600 0x04, /* __u8 bLength; */
601 0x03, /* __u8 bDescriptorType; String-descriptor */
602 0x09, /* __u8 lang ID */
603 0x04, /* __u8 lang ID */
606 static unsigned char root_hub_str_index1[] =
608 34, /* __u8 bLength; */
609 0x03, /* __u8 bDescriptorType; String-descriptor */
610 'R', /* __u8 Unicode */
611 0, /* __u8 Unicode */
612 '8', /* __u8 Unicode */
613 0, /* __u8 Unicode */
614 'A', /* __u8 Unicode */
615 0, /* __u8 Unicode */
616 '6', /* __u8 Unicode */
617 0, /* __u8 Unicode */
618 '6', /* __u8 Unicode */
619 0, /* __u8 Unicode */
620 '5', /* __u8 Unicode */
621 0, /* __u8 Unicode */
622 '9', /* __u8 Unicode */
623 0, /* __u8 Unicode */
624 '7', /* __u8 Unicode */
625 0, /* __u8 Unicode */
626 ' ', /* __u8 Unicode */
627 0, /* __u8 Unicode */
628 'R', /* __u8 Unicode */
629 0, /* __u8 Unicode */
630 'o', /* __u8 Unicode */
631 0, /* __u8 Unicode */
632 'o', /* __u8 Unicode */
633 0, /* __u8 Unicode */
634 't', /* __u8 Unicode */
635 0, /* __u8 Unicode */
636 'H', /* __u8 Unicode */
637 0, /* __u8 Unicode */
638 'u', /* __u8 Unicode */
639 0, /* __u8 Unicode */
640 'b', /* __u8 Unicode */
641 0, /* __u8 Unicode */
644 static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
645 void *buffer, int transfer_len, struct devrequest *cmd)
647 struct r8a66597 *r8a66597 = &gr8a66597;
648 int leni = transfer_len;
655 unsigned char data[32];
657 R8A66597_DPRINT("%s\n", __func__);
659 if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) {
660 printf("Root-Hub submit IRQ: NOT implemented");
664 bmRType_bReq = cmd->requesttype | (cmd->request << 8);
665 wValue = cpu_to_le16 (cmd->value);
666 wIndex = cpu_to_le16 (cmd->index);
667 wLength = cpu_to_le16 (cmd->length);
669 switch (bmRType_bReq) {
671 *(__u16 *)buffer = cpu_to_le16(1);
674 case RH_GET_STATUS | RH_INTERFACE:
675 *(__u16 *)buffer = cpu_to_le16(0);
678 case RH_GET_STATUS | RH_ENDPOINT:
679 *(__u16 *)buffer = cpu_to_le16(0);
682 case RH_GET_STATUS | RH_CLASS:
683 *(__u32 *)buffer = cpu_to_le32(0);
686 case RH_GET_STATUS | RH_OTHER | RH_CLASS:
687 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
688 (r8a66597->port_change << 16));
691 case RH_CLEAR_FEATURE | RH_ENDPOINT:
692 case RH_CLEAR_FEATURE | RH_CLASS:
695 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
697 case RH_C_PORT_CONNECTION:
698 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
703 case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
705 case (RH_PORT_SUSPEND):
707 case (RH_PORT_RESET):
708 r8a66597_bus_reset(r8a66597, 0);
710 case (RH_PORT_POWER):
712 case (RH_PORT_ENABLE):
717 gr8a66597.rh_devnum = wValue;
719 case RH_GET_DESCRIPTOR:
720 switch ((wValue & 0xff00) >> 8) {
721 case (0x01): /* device descriptor */
722 len = min_t(unsigned int,
725 sizeof(root_hub_dev_des),
727 memcpy(buffer, root_hub_dev_des, len);
729 case (0x02): /* configuration descriptor */
730 len = min_t(unsigned int,
733 sizeof(root_hub_config_des),
735 memcpy(buffer, root_hub_config_des, len);
737 case (0x03): /* string descriptors */
738 if (wValue == 0x0300) {
739 len = min_t(unsigned int,
742 sizeof(root_hub_str_index0),
744 memcpy(buffer, root_hub_str_index0, len);
746 if (wValue == 0x0301) {
747 len = min_t(unsigned int,
750 sizeof(root_hub_str_index1),
752 memcpy(buffer, root_hub_str_index1, len);
756 stat = USB_ST_STALLED;
760 case RH_GET_DESCRIPTOR | RH_CLASS:
762 __u32 temp = 0x00000001;
764 data[0] = 9; /* min length; */
766 data[2] = temp & RH_A_NDP;
770 if (temp & RH_A_NOCP)
772 else if (temp & RH_A_OCPM)
775 /* corresponds to data[4-7] */
776 data[5] = (temp & RH_A_POTPGT) >> 24;
777 data[7] = temp & RH_B_DR;
782 data[8] = (temp & RH_B_DR) >> 8;
783 data[10] = data[9] = 0xff;
786 len = min_t(unsigned int, leni,
787 min_t(unsigned int, data[0], wLength));
788 memcpy(buffer, data, len);
792 case RH_GET_CONFIGURATION:
793 *(__u8 *) buffer = 0x01;
796 case RH_SET_CONFIGURATION:
799 dbg("unsupported root hub command");
800 stat = USB_ST_STALLED;
805 len = min_t(int, len, leni);
813 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
816 struct r8a66597 *r8a66597 = &gr8a66597;
819 R8A66597_DPRINT("%s\n", __func__);
820 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
821 pipe, buffer, transfer_len, dev->devnum);
823 set_devadd_reg(r8a66597, dev->devnum, r8a66597->speed, 0, 0, 0);
825 pipe_buffer_setting(r8a66597, dev, pipe);
828 while (dev->act_len < transfer_len && ret == 0) {
832 if (usb_pipein(pipe))
833 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
836 ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
846 int submit_control_msg(struct usb_device *dev, unsigned long pipe,
847 void *buffer, int transfer_len, struct devrequest *setup)
849 struct r8a66597 *r8a66597 = &gr8a66597;
850 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
853 R8A66597_DPRINT("%s\n", __func__);
854 if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
855 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len,
858 R8A66597_DPRINT("%s: setup\n", __func__);
859 set_devadd_reg(r8a66597, r8a66597_address, r8a66597->speed, 0, 0, 0);
861 if (send_setup_packet(r8a66597, dev, setup) < 0) {
862 printf("setup packet send error\n");
866 if (usb_pipein(pipe))
867 if (receive_control_packet(r8a66597, dev, buffer,
871 if (send_status_packet(r8a66597, pipe) < 0)
879 int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
880 int transfer_len, int interval)
883 R8A66597_DPRINT("%s\n", __func__);
887 void usb_event_poll(void)
890 R8A66597_DPRINT("%s\n", __func__);
893 int usb_lowlevel_init(void)
895 struct r8a66597 *r8a66597 = &gr8a66597;
897 R8A66597_DPRINT("%s\n", __func__);
899 memset(r8a66597, 0, sizeof(r8a66597));
900 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
902 disable_controller(r8a66597);
905 enable_controller(r8a66597);
906 r8a66597_port_power(r8a66597, 0 , 1);
908 /* check usb device */
909 check_usb_device_connecting(r8a66597);
916 int usb_lowlevel_stop(void)
918 disable_controller(&gr8a66597);
923 #endif /* CONFIG_USB_R8A66597_HCD */