blob: 6ef51906c28ca3de9d2e52ccad301116a14847ac [file] [log] [blame]
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +09001/*
2 * R8A66597 HCD (Host Controller Driver) for u-boot
3 *
4 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
5 *
Simon Glasse62b5262015-07-06 16:47:42 -06006 * SPDX-License-Identifier: GPL-2.0
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +09007 */
8
9#include <common.h>
Simon Glass24b852a2015-11-08 23:47:45 -070010#include <console.h>
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090011#include <usb.h>
12#include <asm/io.h>
13
14#include "r8a66597.h"
15
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090016#ifdef R8A66597_DEBUG
17#define R8A66597_DPRINT printf
18#else
19#define R8A66597_DPRINT(...)
20#endif
21
22static const char hcd_name[] = "r8a66597_hcd";
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090023static struct r8a66597 gr8a66597;
24
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +090025static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090026{
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +090027 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;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090052 unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
53
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +090054 get_hub_data(dev, &upphub, &hubport);
55 usbspd = r8a66597->speed;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090056 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);
Nobuhiro Iwamatsu9d034202012-03-20 20:23:29 +000085 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090086
87 i = 0;
88 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
89 do {
90 udelay(1000);
91 tmp = r8a66597_read(r8a66597, SYSCFG0);
92 if (i++ > 500) {
93 printf("register access fail.\n");
94 return -1;
95 }
96 } while ((tmp & SCKE) != SCKE);
97#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
98
99 return 0;
100}
101
102static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
103{
104 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
105 udelay(1);
106#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
107 r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
108 r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
109 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
110#endif
111}
112
113static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
114{
115 u16 val;
116
117 val = port ? DRPD : DCFM | DRPD;
118 r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
119 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
120
121 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
122}
123
124static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
125{
126 u16 val, tmp;
127
128 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
129 r8a66597_write(r8a66597, 0, get_intsts_reg(port));
130
131 r8a66597_port_power(r8a66597, port, 0);
132
133 do {
134 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
135 udelay(640);
136 } while (tmp == EDGESTS);
137
138 val = port ? DRPD : DCFM | DRPD;
139 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
140 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
141}
142
143static int enable_controller(struct r8a66597 *r8a66597)
144{
145 int ret, port;
146
147 ret = r8a66597_clock_enable(r8a66597);
148 if (ret < 0)
149 return ret;
150
Nobuhiro Iwamatsu9d034202012-03-20 20:23:29 +0000151 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900152 r8a66597_bset(r8a66597, USBE, SYSCFG0);
153
154 r8a66597_bset(r8a66597, INTL, SOFCFG);
155 r8a66597_write(r8a66597, 0, INTENB0);
yasuhisa umano8ecdce72014-04-18 11:33:08 +0900156 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
157 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900158
Nobuhiro Iwamatsu9d034202012-03-20 20:23:29 +0000159 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL);
160 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL);
161 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900162 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
163
164 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
165 r8a66597_enable_port(r8a66597, port);
166
167 return 0;
168}
169
170static void disable_controller(struct r8a66597 *r8a66597)
171{
172 int i;
173
174 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
175 return;
176
177 r8a66597_write(r8a66597, 0, INTENB0);
178 r8a66597_write(r8a66597, 0, INTSTS0);
179
180 r8a66597_write(r8a66597, 0, D0FIFOSEL);
181 r8a66597_write(r8a66597, 0, D1FIFOSEL);
182 r8a66597_write(r8a66597, 0, DCPCFG);
183 r8a66597_write(r8a66597, 0x40, DCPMAXP);
184 r8a66597_write(r8a66597, 0, DCPCTR);
185
186 for (i = 0; i <= 10; i++)
187 r8a66597_write(r8a66597, 0, get_devadd_addr(i));
188 for (i = 1; i <= 5; i++) {
189 r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
190 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
191 }
192 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
193 r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
194 r8a66597_write(r8a66597, i, PIPESEL);
195 r8a66597_write(r8a66597, 0, PIPECFG);
196 r8a66597_write(r8a66597, 0, PIPEBUF);
197 r8a66597_write(r8a66597, 0, PIPEMAXP);
198 r8a66597_write(r8a66597, 0, PIPEPERI);
199 }
200
201 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
202 r8a66597_disable_port(r8a66597, i);
203
204 r8a66597_clock_disable(r8a66597);
205}
206
207static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
208 u16 mask, u16 loop)
209{
210 u16 tmp;
211 int i = 0;
212
213 do {
214 tmp = r8a66597_read(r8a66597, reg);
215 if (i++ > 1000000) {
216 printf("register%lx, loop %x is timeout\n", reg, loop);
217 break;
218 }
219 } while ((tmp & mask) != loop);
220}
221
222static void pipe_buffer_setting(struct r8a66597 *r8a66597,
223 struct usb_device *dev, unsigned long pipe)
224{
225 u16 val = 0;
226 u16 pipenum, bufnum, maxpacket;
227
228 if (usb_pipein(pipe)) {
229 pipenum = BULK_IN_PIPENUM;
230 bufnum = BULK_IN_BUFNUM;
231 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
232 } else {
233 pipenum = BULK_OUT_PIPENUM;
234 bufnum = BULK_OUT_BUFNUM;
235 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
236 }
237
238 if (r8a66597->pipe_config & (1 << pipenum))
239 return;
240 r8a66597->pipe_config |= (1 << pipenum);
241
242 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
243 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
244 r8a66597_write(r8a66597, pipenum, PIPESEL);
245
246 /* FIXME: This driver support bulk transfer only. */
247 if (!usb_pipein(pipe))
248 val |= R8A66597_DIR;
249 else
250 val |= R8A66597_SHTNAK;
251 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
252 r8a66597_write(r8a66597, val, PIPECFG);
253
254 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
255 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
256 maxpacket, PIPEMAXP);
257 r8a66597_write(r8a66597, 0, PIPEPERI);
258 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
259}
260
261static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
262 struct devrequest *setup)
263{
264 int i;
265 unsigned short *p = (unsigned short *)setup;
266 unsigned long setup_addr = USBREQ;
267 u16 intsts1;
268 int timeout = 3000;
269 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
270
271 r8a66597_write(r8a66597, make_devsel(devsel) |
272 (8 << dev->maxpacketsize), DCPMAXP);
273 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
274
275 for (i = 0; i < 4; i++) {
276 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
277 setup_addr += 2;
278 }
279 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
280 r8a66597_write(r8a66597, SUREQ, DCPCTR);
281
282 while (1) {
283 intsts1 = r8a66597_read(r8a66597, INTSTS1);
284 if (intsts1 & SACK)
285 break;
286 if (intsts1 & SIGN) {
287 printf("setup packet send error\n");
288 return -1;
289 }
290 if (timeout-- < 0) {
291 printf("setup packet timeout\n");
292 return -1;
293 }
294 udelay(500);
295 }
296
297 return 0;
298}
299
300static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
301 unsigned long pipe, void *buffer, int transfer_len)
302{
303 u16 tmp, bufsize;
304 u16 *buf;
305 size_t size;
306
307 R8A66597_DPRINT("%s\n", __func__);
308
309 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
310 MBW | CURPIPE, CFIFOSEL);
311 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
312 tmp = r8a66597_read(r8a66597, CFIFOCTR);
313 if ((tmp & FRDY) == 0) {
314 printf("%s FRDY is not set (%x)\n", __func__, tmp);
315 return -1;
316 }
317
318 /* prepare parameters */
319 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
320 buf = (u16 *)(buffer + dev->act_len);
321 size = min((int)bufsize, transfer_len - dev->act_len);
322
323 /* write fifo */
324 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
325 if (buffer) {
326 r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
327 r8a66597_write(r8a66597, BVAL, CFIFOCTR);
328 }
329
330 /* update parameters */
331 dev->act_len += size;
332
333 r8a66597_mdfy(r8a66597, PID_BUF, PID,
334 get_pipectr_addr(BULK_OUT_PIPENUM));
335
336 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
337 if (ctrlc())
338 return -1;
339 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
340
341 if (dev->act_len >= transfer_len)
342 r8a66597_mdfy(r8a66597, PID_NAK, PID,
343 get_pipectr_addr(BULK_OUT_PIPENUM));
344
345 return 0;
346}
347
348static int receive_bulk_packet(struct r8a66597 *r8a66597,
349 struct usb_device *dev,
350 unsigned long pipe,
351 void *buffer, int transfer_len)
352{
353 u16 tmp;
354 u16 *buf;
355 const u16 pipenum = BULK_IN_PIPENUM;
356 int rcv_len;
357 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
358
359 R8A66597_DPRINT("%s\n", __func__);
360
361 /* prepare */
362 if (dev->act_len == 0) {
363 r8a66597_mdfy(r8a66597, PID_NAK, PID,
364 get_pipectr_addr(pipenum));
365 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
366
367 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
368 r8a66597_write(r8a66597,
369 (transfer_len + maxpacket - 1) / maxpacket,
370 get_pipetrn_addr(pipenum));
371 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
372
373 r8a66597_mdfy(r8a66597, PID_BUF, PID,
374 get_pipectr_addr(pipenum));
375 }
376
377 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
378 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
379
380 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
381 if (ctrlc())
382 return -1;
383 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
384
385 tmp = r8a66597_read(r8a66597, CFIFOCTR);
386 if ((tmp & FRDY) == 0) {
387 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
388 return -1;
389 }
390
391 buf = (u16 *)(buffer + dev->act_len);
392 rcv_len = tmp & DTLN;
393 dev->act_len += rcv_len;
394
395 if (buffer) {
396 if (rcv_len == 0)
397 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
398 else
399 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
400 }
401
402 return 0;
403}
404
405static int receive_control_packet(struct r8a66597 *r8a66597,
406 struct usb_device *dev,
407 void *buffer, int transfer_len)
408{
409 u16 tmp;
410 int rcv_len;
411
412 /* FIXME: limit transfer size : 64byte or less */
413
414 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
415 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
416 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
417 r8a66597_bset(r8a66597, SQSET, DCPCTR);
418 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
419 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
420
421 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
422 if (ctrlc())
423 return -1;
424 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
425
426 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
427 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
428
429 tmp = r8a66597_read(r8a66597, CFIFOCTR);
430 if ((tmp & FRDY) == 0) {
431 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
432 return -1;
433 }
434
435 rcv_len = tmp & DTLN;
436 dev->act_len += rcv_len;
437
438 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
439
440 if (buffer) {
441 if (rcv_len == 0)
442 r8a66597_write(r8a66597, BCLR, DCPCTR);
443 else
444 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
445 }
446
447 return 0;
448}
449
450static int send_status_packet(struct r8a66597 *r8a66597,
451 unsigned long pipe)
452{
453 r8a66597_bset(r8a66597, SQSET, DCPCTR);
454 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
455
456 if (usb_pipein(pipe)) {
457 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
458 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
459 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
460 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
461 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
462 } else {
463 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
464 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
465 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
466 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
467 }
468 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
469
470 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
471 if (ctrlc())
472 return -1;
473
474 return 0;
475}
476
477static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
478{
479 int count = R8A66597_MAX_SAMPLING;
480 unsigned short syssts, old_syssts;
481
482 R8A66597_DPRINT("%s\n", __func__);
483
484 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
485 while (count > 0) {
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000486 mdelay(R8A66597_RH_POLL_TIME);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900487
488 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
489 if (syssts == old_syssts) {
490 count--;
491 } else {
492 count = R8A66597_MAX_SAMPLING;
493 old_syssts = syssts;
494 }
495 }
496}
497
498static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
499{
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000500 mdelay(10);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900501 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000502 mdelay(50);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900503 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000504 mdelay(50);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900505}
506
507static int check_usb_device_connecting(struct r8a66597 *r8a66597)
508{
509 int timeout = 10000; /* 100usec * 10000 = 1sec */
510 int i;
511
512 for (i = 0; i < 5; i++) {
513 /* check a usb cable connect */
514 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
515 if (timeout-- < 0) {
516 printf("%s timeout.\n", __func__);
517 return -1;
518 }
519 udelay(100);
520 }
521
522 /* check a data line */
523 r8a66597_check_syssts(r8a66597, 0);
524
525 r8a66597_bus_reset(r8a66597, 0);
526 r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
527
528 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
529 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
530 r8a66597->port_status = USB_PORT_STAT_CONNECTION |
531 USB_PORT_STAT_ENABLE;
532 return 0; /* success */
533 }
534
535 R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
536 r8a66597_write(r8a66597, ~DTCH, INTSTS1);
537 }
538
539 return -1; /* fail */
540}
541
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900542/*-------------------------------------------------------------------------*
543 * Virtual Root Hub
544 *-------------------------------------------------------------------------*/
545
Stephen Warreneb838e72014-02-13 21:15:18 -0700546#include <usbroothubdes.h>
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900547
548static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
549 void *buffer, int transfer_len, struct devrequest *cmd)
550{
551 struct r8a66597 *r8a66597 = &gr8a66597;
552 int leni = transfer_len;
553 int len = 0;
554 int stat = 0;
555 __u16 bmRType_bReq;
556 __u16 wValue;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900557 __u16 wLength;
558 unsigned char data[32];
559
560 R8A66597_DPRINT("%s\n", __func__);
561
Remy Bohmer9dbc3662008-10-10 10:23:22 +0200562 if (usb_pipeint(pipe)) {
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900563 printf("Root-Hub submit IRQ: NOT implemented");
564 return 0;
565 }
566
567 bmRType_bReq = cmd->requesttype | (cmd->request << 8);
568 wValue = cpu_to_le16 (cmd->value);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900569 wLength = cpu_to_le16 (cmd->length);
570
571 switch (bmRType_bReq) {
572 case RH_GET_STATUS:
573 *(__u16 *)buffer = cpu_to_le16(1);
574 len = 2;
575 break;
576 case RH_GET_STATUS | RH_INTERFACE:
577 *(__u16 *)buffer = cpu_to_le16(0);
578 len = 2;
579 break;
580 case RH_GET_STATUS | RH_ENDPOINT:
581 *(__u16 *)buffer = cpu_to_le16(0);
582 len = 2;
583 break;
584 case RH_GET_STATUS | RH_CLASS:
585 *(__u32 *)buffer = cpu_to_le32(0);
586 len = 4;
587 break;
588 case RH_GET_STATUS | RH_OTHER | RH_CLASS:
589 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
590 (r8a66597->port_change << 16));
591 len = 4;
592 break;
593 case RH_CLEAR_FEATURE | RH_ENDPOINT:
594 case RH_CLEAR_FEATURE | RH_CLASS:
595 break;
596
597 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
598 switch (wValue) {
599 case RH_C_PORT_CONNECTION:
600 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
601 break;
602 }
603 break;
604
605 case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
606 switch (wValue) {
607 case (RH_PORT_SUSPEND):
608 break;
609 case (RH_PORT_RESET):
610 r8a66597_bus_reset(r8a66597, 0);
611 break;
612 case (RH_PORT_POWER):
613 break;
614 case (RH_PORT_ENABLE):
615 break;
616 }
617 break;
618 case RH_SET_ADDRESS:
619 gr8a66597.rh_devnum = wValue;
620 break;
621 case RH_GET_DESCRIPTOR:
622 switch ((wValue & 0xff00) >> 8) {
623 case (0x01): /* device descriptor */
624 len = min_t(unsigned int,
625 leni,
626 min_t(unsigned int,
627 sizeof(root_hub_dev_des),
628 wLength));
629 memcpy(buffer, root_hub_dev_des, len);
630 break;
631 case (0x02): /* configuration descriptor */
632 len = min_t(unsigned int,
633 leni,
634 min_t(unsigned int,
635 sizeof(root_hub_config_des),
636 wLength));
637 memcpy(buffer, root_hub_config_des, len);
638 break;
639 case (0x03): /* string descriptors */
640 if (wValue == 0x0300) {
641 len = min_t(unsigned int,
642 leni,
643 min_t(unsigned int,
644 sizeof(root_hub_str_index0),
645 wLength));
646 memcpy(buffer, root_hub_str_index0, len);
647 }
648 if (wValue == 0x0301) {
649 len = min_t(unsigned int,
650 leni,
651 min_t(unsigned int,
652 sizeof(root_hub_str_index1),
653 wLength));
654 memcpy(buffer, root_hub_str_index1, len);
655 }
656 break;
657 default:
658 stat = USB_ST_STALLED;
659 }
660 break;
661
662 case RH_GET_DESCRIPTOR | RH_CLASS:
663 {
664 __u32 temp = 0x00000001;
665
666 data[0] = 9; /* min length; */
667 data[1] = 0x29;
668 data[2] = temp & RH_A_NDP;
669 data[3] = 0;
670 if (temp & RH_A_PSM)
671 data[3] |= 0x1;
672 if (temp & RH_A_NOCP)
673 data[3] |= 0x10;
674 else if (temp & RH_A_OCPM)
675 data[3] |= 0x8;
676
677 /* corresponds to data[4-7] */
678 data[5] = (temp & RH_A_POTPGT) >> 24;
679 data[7] = temp & RH_B_DR;
680 if (data[2] < 7) {
681 data[8] = 0xff;
682 } else {
683 data[0] += 2;
684 data[8] = (temp & RH_B_DR) >> 8;
685 data[10] = data[9] = 0xff;
686 }
687
688 len = min_t(unsigned int, leni,
689 min_t(unsigned int, data[0], wLength));
690 memcpy(buffer, data, len);
691 break;
692 }
693
694 case RH_GET_CONFIGURATION:
695 *(__u8 *) buffer = 0x01;
696 len = 1;
697 break;
698 case RH_SET_CONFIGURATION:
699 break;
700 default:
Nobuhiro Iwamatsue58c41e2008-09-18 20:13:08 +0900701 R8A66597_DPRINT("unsupported root hub command");
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900702 stat = USB_ST_STALLED;
703 }
704
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000705 mdelay(1);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900706
707 len = min_t(int, len, leni);
708
709 dev->act_len = len;
710 dev->status = stat;
711
712 return stat;
713}
714
715int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
716 int transfer_len)
717{
718 struct r8a66597 *r8a66597 = &gr8a66597;
719 int ret = 0;
720
721 R8A66597_DPRINT("%s\n", __func__);
722 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
723 pipe, buffer, transfer_len, dev->devnum);
724
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +0900725 set_devadd(r8a66597, dev->devnum, dev, 0);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900726
727 pipe_buffer_setting(r8a66597, dev, pipe);
728
729 dev->act_len = 0;
730 while (dev->act_len < transfer_len && ret == 0) {
731 if (ctrlc())
732 return -1;
733
734 if (usb_pipein(pipe))
735 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
736 transfer_len);
737 else
738 ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
739 transfer_len);
740 }
741
742 if (ret == 0)
743 dev->status = 0;
744
745 return ret;
746}
747
748int submit_control_msg(struct usb_device *dev, unsigned long pipe,
749 void *buffer, int transfer_len, struct devrequest *setup)
750{
751 struct r8a66597 *r8a66597 = &gr8a66597;
752 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
753 0 : dev->devnum;
754
755 R8A66597_DPRINT("%s\n", __func__);
756 if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
757 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len,
758 setup);
759
760 R8A66597_DPRINT("%s: setup\n", __func__);
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +0900761 set_devadd(r8a66597, r8a66597_address, dev, 0);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900762
763 if (send_setup_packet(r8a66597, dev, setup) < 0) {
764 printf("setup packet send error\n");
765 return -1;
766 }
767
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +0900768 dev->act_len = 0;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900769 if (usb_pipein(pipe))
770 if (receive_control_packet(r8a66597, dev, buffer,
771 transfer_len) < 0)
772 return -1;
773
774 if (send_status_packet(r8a66597, pipe) < 0)
775 return -1;
776
777 dev->status = 0;
778
779 return 0;
780}
781
782int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
783 int transfer_len, int interval)
784{
785 /* no implement */
786 R8A66597_DPRINT("%s\n", __func__);
787 return 0;
788}
789
Troy Kisky06d513e2013-10-10 15:27:56 -0700790int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900791{
792 struct r8a66597 *r8a66597 = &gr8a66597;
793
794 R8A66597_DPRINT("%s\n", __func__);
795
Yasuhisa Umano198c5f92014-04-18 11:33:15 +0900796 memset(r8a66597, 0, sizeof(*r8a66597));
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900797 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
798
799 disable_controller(r8a66597);
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000800 mdelay(100);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900801
802 enable_controller(r8a66597);
803 r8a66597_port_power(r8a66597, 0 , 1);
804
805 /* check usb device */
806 check_usb_device_connecting(r8a66597);
807
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000808 mdelay(50);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900809
810 return 0;
811}
812
Lucas Stachc7e3b2b2012-09-26 00:14:34 +0200813int usb_lowlevel_stop(int index)
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900814{
815 disable_controller(&gr8a66597);
816
817 return 0;
818}