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usb: host: Drop unused hcd_name from r8a66597-hcd.c
[people/ms/u-boot.git] / drivers / usb / host / r8a66597-hcd.c
CommitLineData
fd0f2f37
YS		 1/*
2 * R8A66597 HCD (Host Controller Driver) for u-boot
3 *
4 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
5 *
e62b5266 6 * SPDX-License-Identifier: GPL-2.0
fd0f2f37
YS		 7 */
8
9#include <common.h>
24b852a7 10#include <console.h>
fd0f2f37
YS		 11#include <usb.h>
12#include <asm/io.h>
243fd642 13#include <linux/iopoll.h>
fd0f2f37
YS		 14
15#include "r8a66597.h"
16
fd0f2f37
YS		 17#ifdef R8A66597_DEBUG
18#define R8A66597_DPRINT printf
19#else
20#define R8A66597_DPRINT(...)
21#endif
22
fd0f2f37
YS		 23static struct r8a66597 gr8a66597;
24
60ece6d8 25static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
fd0f2f37 26{
60ece6d8
YS		 27 int i;
28
29 *hub_devnum = 0;
30 *hubport = 0;
31
32 /* check a device connected to root_hub */
33 if ((dev->parent && dev->parent->devnum == 1) ||
34 (dev->devnum == 1))
35 return;
36
37 for (i = 0; i < USB_MAXCHILDREN; i++) {
38 if (dev->parent->children[i] == dev) {
39 *hub_devnum = (u8)dev->parent->devnum;
40 *hubport = i;
41 return;
42 }
43 }
44
45 printf("get_hub_data error.\n");
46}
47
48static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
49 struct usb_device *dev, int port)
50{
51 u16 val, usbspd, upphub, hubport;
fd0f2f37
YS		 52 unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
53
60ece6d8
YS		 54 get_hub_data(dev, &upphub, &hubport);
55 usbspd = r8a66597->speed;
fd0f2f37
YS		 56 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
57 r8a66597_write(r8a66597, val, devadd_reg);
58}
59
60static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
61{
62 u16 tmp;
63 int i = 0;
64
65#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
66 do {
67 r8a66597_write(r8a66597, SCKE, SYSCFG0);
68 tmp = r8a66597_read(r8a66597, SYSCFG0);
69 if (i++ > 1000) {
70 printf("register access fail.\n");
71 return -1;
72 }
73 } while ((tmp & SCKE) != SCKE);
74 r8a66597_write(r8a66597, 0x04, 0x02);
75#else
76 do {
77 r8a66597_write(r8a66597, USBE, SYSCFG0);
78 tmp = r8a66597_read(r8a66597, SYSCFG0);
79 if (i++ > 1000) {
80 printf("register access fail.\n");
81 return -1;
82 }
83 } while ((tmp & USBE) != USBE);
84 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
11f46789 85#if !defined(CONFIG_RZA_USB)
9d034208 86 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0);
fd0f2f37
YS		 87
88 i = 0;
89 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
90 do {
91 udelay(1000);
92 tmp = r8a66597_read(r8a66597, SYSCFG0);
93 if (i++ > 500) {
94 printf("register access fail.\n");
95 return -1;
96 }
97 } while ((tmp & SCKE) != SCKE);
11f46789
CB		 98#else
99 /*
100 * RZ/A Only:
101 * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0
102 * and USB1, so we must always set the USB0 register
103 */
104#if (CONFIG_R8A66597_XTAL == 1)
105 setbits(le16, R8A66597_BASE0, XTAL);
106#endif
107 mdelay(1);
108 setbits(le16, R8A66597_BASE0, UPLLE);
109 mdelay(1);
110 r8a66597_bset(r8a66597, SUSPM, SUSPMODE0);
111#endif /* CONFIG_RZA_USB */
fd0f2f37
YS		 112#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
113
114 return 0;
115}
116
117static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
118{
11f46789 119#if !defined(CONFIG_RZA_USB)
fd0f2f37
YS		 120 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
121 udelay(1);
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);
126#endif
11f46789
CB		 127#else
128 r8a66597_bclr(r8a66597, SUSPM, SUSPMODE0);
129
130 clrbits(le16, R8A66597_BASE0, UPLLE);
131 mdelay(1);
132 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
133 mdelay(1);
134
135#endif
fd0f2f37
YS		 136}
137
138static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
139{
140 u16 val;
141
142 val = port ? DRPD : DCFM | DRPD;
143 r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
144 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
145
11f46789 146#if !defined(CONFIG_RZA_USB)
fd0f2f37 147 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
11f46789 148#endif
fd0f2f37
YS		 149}
150
151static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
152{
153 u16 val, tmp;
154
155 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
156 r8a66597_write(r8a66597, 0, get_intsts_reg(port));
157
158 r8a66597_port_power(r8a66597, port, 0);
159
160 do {
161 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
162 udelay(640);
163 } while (tmp == EDGESTS);
164
165 val = port ? DRPD : DCFM | DRPD;
166 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
167 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
168}
169
170static int enable_controller(struct r8a66597 *r8a66597)
171{
172 int ret, port;
173
174 ret = r8a66597_clock_enable(r8a66597);
175 if (ret < 0)
176 return ret;
177
11f46789 178#if !defined(CONFIG_RZA_USB)
9d034208 179 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG);
11f46789 180#endif
fd0f2f37
YS		 181 r8a66597_bset(r8a66597, USBE, SYSCFG0);
182
183 r8a66597_bset(r8a66597, INTL, SOFCFG);
184 r8a66597_write(r8a66597, 0, INTENB0);
8ecdce72 185 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
186 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
fd0f2f37 187
9d034208
NI		 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);
fd0f2f37
YS		 191 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
192
193 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
194 r8a66597_enable_port(r8a66597, port);
195
196 return 0;
197}
198
199static void disable_controller(struct r8a66597 *r8a66597)
200{
201 int i;
202
203 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
204 return;
205
206 r8a66597_write(r8a66597, 0, INTENB0);
207 r8a66597_write(r8a66597, 0, INTSTS0);
208
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);
214
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));
220 }
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);
228 }
229
230 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
231 r8a66597_disable_port(r8a66597, i);
232
233 r8a66597_clock_disable(r8a66597);
234}
235
236static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
237 u16 mask, u16 loop)
238{
239 u16 tmp;
240 int i = 0;
241
242 do {
243 tmp = r8a66597_read(r8a66597, reg);
244 if (i++ > 1000000) {
245 printf("register%lx, loop %x is timeout\n", reg, loop);
246 break;
247 }
248 } while ((tmp & mask) != loop);
249}
250
251static void pipe_buffer_setting(struct r8a66597 *r8a66597,
252 struct usb_device *dev, unsigned long pipe)
253{
254 u16 val = 0;
255 u16 pipenum, bufnum, maxpacket;
256
257 if (usb_pipein(pipe)) {
258 pipenum = BULK_IN_PIPENUM;
259 bufnum = BULK_IN_BUFNUM;
260 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
261 } else {
262 pipenum = BULK_OUT_PIPENUM;
263 bufnum = BULK_OUT_BUFNUM;
264 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
265 }
266
267 if (r8a66597->pipe_config & (1 << pipenum))
268 return;
269 r8a66597->pipe_config |= (1 << pipenum);
270
271 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
272 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
273 r8a66597_write(r8a66597, pipenum, PIPESEL);
274
275 /* FIXME: This driver support bulk transfer only. */
276 if (!usb_pipein(pipe))
277 val |= R8A66597_DIR;
278 else
279 val |= R8A66597_SHTNAK;
280 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
281 r8a66597_write(r8a66597, val, PIPECFG);
282
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));
288}
289
290static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
291 struct devrequest *setup)
292{
293 int i;
294 unsigned short *p = (unsigned short *)setup;
295 unsigned long setup_addr = USBREQ;
296 u16 intsts1;
297 int timeout = 3000;
11f46789
CB		 298#if defined(CONFIG_RZA_USB)
299 u16 dcpctr;
11f46789 300#endif
fd0f2f37
YS		 301 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
302
303 r8a66597_write(r8a66597, make_devsel(devsel) |
304 (8 << dev->maxpacketsize), DCPMAXP);
305 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
306
11f46789
CB		 307#if defined(CONFIG_RZA_USB)
308 dcpctr = r8a66597_read(r8a66597, DCPCTR);
309 if ((dcpctr & PID) == PID_BUF) {
243fd642
CB		 310 if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
311 dcpctr & BSTS, 1000) < 0) {
312 printf("DCPCTR BSTS timeout!\n");
313 return -ETIMEDOUT;
11f46789
CB		 314 }
315 }
316#endif
317
fd0f2f37
YS		 318 for (i = 0; i < 4; i++) {
319 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
320 setup_addr += 2;
321 }
322 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
323 r8a66597_write(r8a66597, SUREQ, DCPCTR);
324
325 while (1) {
326 intsts1 = r8a66597_read(r8a66597, INTSTS1);
327 if (intsts1 & SACK)
328 break;
329 if (intsts1 & SIGN) {
330 printf("setup packet send error\n");
331 return -1;
332 }
333 if (timeout-- < 0) {
334 printf("setup packet timeout\n");
335 return -1;
336 }
337 udelay(500);
338 }
339
340 return 0;
341}
342
343static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
344 unsigned long pipe, void *buffer, int transfer_len)
345{
346 u16 tmp, bufsize;
347 u16 *buf;
348 size_t size;
349
350 R8A66597_DPRINT("%s\n", __func__);
351
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);
358 return -1;
359 }
360
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);
365
366 /* write fifo */
367 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
368 if (buffer) {
369 r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
370 r8a66597_write(r8a66597, BVAL, CFIFOCTR);
371 }
372
373 /* update parameters */
374 dev->act_len += size;
375
376 r8a66597_mdfy(r8a66597, PID_BUF, PID,
377 get_pipectr_addr(BULK_OUT_PIPENUM));
378
379 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
380 if (ctrlc())
381 return -1;
382 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
383
384 if (dev->act_len >= transfer_len)
385 r8a66597_mdfy(r8a66597, PID_NAK, PID,
386 get_pipectr_addr(BULK_OUT_PIPENUM));
387
388 return 0;
389}
390
391static int receive_bulk_packet(struct r8a66597 *r8a66597,
392 struct usb_device *dev,
393 unsigned long pipe,
394 void *buffer, int transfer_len)
395{
396 u16 tmp;
397 u16 *buf;
398 const u16 pipenum = BULK_IN_PIPENUM;
399 int rcv_len;
400 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
401
402 R8A66597_DPRINT("%s\n", __func__);
403
404 /* prepare */
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);
409
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));
415
416 r8a66597_mdfy(r8a66597, PID_BUF, PID,
417 get_pipectr_addr(pipenum));
418 }
419
420 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
421 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
422
423 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
424 if (ctrlc())
425 return -1;
426 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
427
428 tmp = r8a66597_read(r8a66597, CFIFOCTR);
429 if ((tmp & FRDY) == 0) {
430 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
431 return -1;
432 }
433
434 buf = (u16 *)(buffer + dev->act_len);
435 rcv_len = tmp & DTLN;
436 dev->act_len += rcv_len;
437
438 if (buffer) {
439 if (rcv_len == 0)
440 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
441 else
442 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
443 }
444
445 return 0;
446}
447
448static int receive_control_packet(struct r8a66597 *r8a66597,
449 struct usb_device *dev,
450 void *buffer, int transfer_len)
451{
452 u16 tmp;
453 int rcv_len;
454
455 /* FIXME: limit transfer size : 64byte or less */
456
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);
463
464 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
465 if (ctrlc())
466 return -1;
467 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
468
469 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
470 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
471
472 tmp = r8a66597_read(r8a66597, CFIFOCTR);
473 if ((tmp & FRDY) == 0) {
474 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
475 return -1;
476 }
477
478 rcv_len = tmp & DTLN;
479 dev->act_len += rcv_len;
480
481 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
482
483 if (buffer) {
484 if (rcv_len == 0)
485 r8a66597_write(r8a66597, BCLR, DCPCTR);
486 else
487 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
488 }
489
490 return 0;
491}
492
493static int send_status_packet(struct r8a66597 *r8a66597,
494 unsigned long pipe)
495{
496 r8a66597_bset(r8a66597, SQSET, DCPCTR);
497 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
498
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);
505 } else {
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);
510 }
511 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
512
513 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
514 if (ctrlc())
515 return -1;
516
517 return 0;
518}
519
520static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
521{
522 int count = R8A66597_MAX_SAMPLING;
523 unsigned short syssts, old_syssts;
524
525 R8A66597_DPRINT("%s\n", __func__);
526
527 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
528 while (count > 0) {
5b84dd67 529 mdelay(R8A66597_RH_POLL_TIME);
fd0f2f37
YS		 530
531 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
532 if (syssts == old_syssts) {
533 count--;
534 } else {
535 count = R8A66597_MAX_SAMPLING;
536 old_syssts = syssts;
537 }
538 }
539}
540
541static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
542{
5b84dd67 543 mdelay(10);
fd0f2f37 544 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
5b84dd67 545 mdelay(50);
fd0f2f37 546 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
5b84dd67 547 mdelay(50);
fd0f2f37
YS		 548}
549
550static int check_usb_device_connecting(struct r8a66597 *r8a66597)
551{
552 int timeout = 10000; /* 100usec * 10000 = 1sec */
553 int i;
554
555 for (i = 0; i < 5; i++) {
556 /* check a usb cable connect */
557 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
558 if (timeout-- < 0) {
559 printf("%s timeout.\n", __func__);
560 return -1;
561 }
562 udelay(100);
563 }
564
565 /* check a data line */
566 r8a66597_check_syssts(r8a66597, 0);
567
568 r8a66597_bus_reset(r8a66597, 0);
569 r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
570
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 */
576 }
577
578 R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
579 r8a66597_write(r8a66597, ~DTCH, INTSTS1);
580 }
581
582 return -1; /* fail */
583}
584
fd0f2f37
YS		 585/*-------------------------------------------------------------------------*
586 * Virtual Root Hub
587 *-------------------------------------------------------------------------*/
588
eb838e7d 589#include <usbroothubdes.h>
fd0f2f37
YS		 590
591static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
592 void *buffer, int transfer_len, struct devrequest *cmd)
593{
594 struct r8a66597 *r8a66597 = &gr8a66597;
595 int leni = transfer_len;
596 int len = 0;
597 int stat = 0;
598 __u16 bmRType_bReq;
599 __u16 wValue;
fd0f2f37
YS		 600 __u16 wLength;
601 unsigned char data[32];
602
603 R8A66597_DPRINT("%s\n", __func__);
604
9dbc3667 605 if (usb_pipeint(pipe)) {
fd0f2f37
YS		 606 printf("Root-Hub submit IRQ: NOT implemented");
607 return 0;
608 }
609
610 bmRType_bReq = cmd->requesttype | (cmd->request << 8);
611 wValue = cpu_to_le16 (cmd->value);
fd0f2f37
YS		 612 wLength = cpu_to_le16 (cmd->length);
613
614 switch (bmRType_bReq) {
615 case RH_GET_STATUS:
616 *(__u16 *)buffer = cpu_to_le16(1);
617 len = 2;
618 break;
619 case RH_GET_STATUS | RH_INTERFACE:
620 *(__u16 *)buffer = cpu_to_le16(0);
621 len = 2;
622 break;
623 case RH_GET_STATUS | RH_ENDPOINT:
624 *(__u16 *)buffer = cpu_to_le16(0);
625 len = 2;
626 break;
627 case RH_GET_STATUS | RH_CLASS:
628 *(__u32 *)buffer = cpu_to_le32(0);
629 len = 4;
630 break;
631 case RH_GET_STATUS | RH_OTHER | RH_CLASS:
632 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
633 (r8a66597->port_change << 16));
634 len = 4;
635 break;
636 case RH_CLEAR_FEATURE | RH_ENDPOINT:
637 case RH_CLEAR_FEATURE | RH_CLASS:
638 break;
639
640 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
641 switch (wValue) {
642 case RH_C_PORT_CONNECTION:
643 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
644 break;
645 }
646 break;
647
648 case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
649 switch (wValue) {
650 case (RH_PORT_SUSPEND):
651 break;
652 case (RH_PORT_RESET):
653 r8a66597_bus_reset(r8a66597, 0);
654 break;
655 case (RH_PORT_POWER):
656 break;
657 case (RH_PORT_ENABLE):
658 break;
659 }
660 break;
661 case RH_SET_ADDRESS:
662 gr8a66597.rh_devnum = wValue;
663 break;
664 case RH_GET_DESCRIPTOR:
665 switch ((wValue & 0xff00) >> 8) {
666 case (0x01): /* device descriptor */
667 len = min_t(unsigned int,
668 leni,
669 min_t(unsigned int,
670 sizeof(root_hub_dev_des),
671 wLength));
672 memcpy(buffer, root_hub_dev_des, len);
673 break;
674 case (0x02): /* configuration descriptor */
675 len = min_t(unsigned int,
676 leni,
677 min_t(unsigned int,
678 sizeof(root_hub_config_des),
679 wLength));
680 memcpy(buffer, root_hub_config_des, len);
681 break;
682 case (0x03): /* string descriptors */
683 if (wValue == 0x0300) {
684 len = min_t(unsigned int,
685 leni,
686 min_t(unsigned int,
687 sizeof(root_hub_str_index0),
688 wLength));
689 memcpy(buffer, root_hub_str_index0, len);
690 }
691 if (wValue == 0x0301) {
692 len = min_t(unsigned int,
693 leni,
694 min_t(unsigned int,
695 sizeof(root_hub_str_index1),
696 wLength));
697 memcpy(buffer, root_hub_str_index1, len);
698 }
699 break;
700 default:
701 stat = USB_ST_STALLED;
702 }
703 break;
704
705 case RH_GET_DESCRIPTOR | RH_CLASS:
706 {
707 __u32 temp = 0x00000001;
708
709 data[0] = 9; /* min length; */
710 data[1] = 0x29;
711 data[2] = temp & RH_A_NDP;
712 data[3] = 0;
713 if (temp & RH_A_PSM)
714 data[3] |= 0x1;
715 if (temp & RH_A_NOCP)
716 data[3] |= 0x10;
717 else if (temp & RH_A_OCPM)
718 data[3] |= 0x8;
719
720 /* corresponds to data[4-7] */
721 data[5] = (temp & RH_A_POTPGT) >> 24;
722 data[7] = temp & RH_B_DR;
723 if (data[2] < 7) {
724 data[8] = 0xff;
725 } else {
726 data[0] += 2;
727 data[8] = (temp & RH_B_DR) >> 8;
728 data[10] = data[9] = 0xff;
729 }
730
731 len = min_t(unsigned int, leni,
732 min_t(unsigned int, data[0], wLength));
733 memcpy(buffer, data, len);
734 break;
735 }
736
737 case RH_GET_CONFIGURATION:
738 *(__u8 *) buffer = 0x01;
739 len = 1;
740 break;
741 case RH_SET_CONFIGURATION:
742 break;
743 default:
e58c41e2 744 R8A66597_DPRINT("unsupported root hub command");
fd0f2f37
YS		 745 stat = USB_ST_STALLED;
746 }
747
5b84dd67 748 mdelay(1);
fd0f2f37
YS		 749
750 len = min_t(int, len, leni);
751
752 dev->act_len = len;
753 dev->status = stat;
754
755 return stat;
756}
757
758int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
759 int transfer_len)
760{
761 struct r8a66597 *r8a66597 = &gr8a66597;
762 int ret = 0;
763
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);
767
60ece6d8 768 set_devadd(r8a66597, dev->devnum, dev, 0);
fd0f2f37
YS		 769
770 pipe_buffer_setting(r8a66597, dev, pipe);
771
772 dev->act_len = 0;
773 while (dev->act_len < transfer_len && ret == 0) {
774 if (ctrlc())
775 return -1;
776
777 if (usb_pipein(pipe))
778 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
779 transfer_len);
780 else
781 ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
782 transfer_len);
783 }
784
785 if (ret == 0)
786 dev->status = 0;
787
788 return ret;
789}
790
791int submit_control_msg(struct usb_device *dev, unsigned long pipe,
792 void *buffer, int transfer_len, struct devrequest *setup)
793{
794 struct r8a66597 *r8a66597 = &gr8a66597;
795 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
796 0 : dev->devnum;
797
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,
801 setup);
802
803 R8A66597_DPRINT("%s: setup\n", __func__);
60ece6d8 804 set_devadd(r8a66597, r8a66597_address, dev, 0);
fd0f2f37
YS		 805
806 if (send_setup_packet(r8a66597, dev, setup) < 0) {
807 printf("setup packet send error\n");
808 return -1;
809 }
810
60ece6d8 811 dev->act_len = 0;
fd0f2f37
YS		 812 if (usb_pipein(pipe))
813 if (receive_control_packet(r8a66597, dev, buffer,
814 transfer_len) < 0)
815 return -1;
816
817 if (send_status_packet(r8a66597, pipe) < 0)
818 return -1;
819
820 dev->status = 0;
821
822 return 0;
823}
824
825int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
826 int transfer_len, int interval)
827{
828 /* no implement */
829 R8A66597_DPRINT("%s\n", __func__);
830 return 0;
831}
832
06d513ec 833int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
fd0f2f37
YS		 834{
835 struct r8a66597 *r8a66597 = &gr8a66597;
836
837 R8A66597_DPRINT("%s\n", __func__);
838
198c5f99 839 memset(r8a66597, 0, sizeof(*r8a66597));
fd0f2f37
YS		 840 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
841
842 disable_controller(r8a66597);
5b84dd67 843 mdelay(100);
fd0f2f37
YS		 844
845 enable_controller(r8a66597);
846 r8a66597_port_power(r8a66597, 0 , 1);
847
848 /* check usb device */
849 check_usb_device_connecting(r8a66597);
850
5b84dd67 851 mdelay(50);
fd0f2f37
YS		 852
853 return 0;
854}
855
c7e3b2b5 856int usb_lowlevel_stop(int index)
fd0f2f37
YS		 857{
858 disable_controller(&gr8a66597);
859
860 return 0;
861}
"Das U-Boot" Source Tree