blob: 511454479b109d3f303116e910b6d6722582d0bf [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 *
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.
9 *
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.
14 *
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
18 *
19 */
20
21#include <common.h>
22#include <usb.h>
23#include <asm/io.h>
24
25#include "r8a66597.h"
26
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090027#ifdef R8A66597_DEBUG
28#define R8A66597_DPRINT printf
29#else
30#define R8A66597_DPRINT(...)
31#endif
32
33static const char hcd_name[] = "r8a66597_hcd";
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090034static struct r8a66597 gr8a66597;
35
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +090036static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090037{
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +090038 int i;
39
40 *hub_devnum = 0;
41 *hubport = 0;
42
43 /* check a device connected to root_hub */
44 if ((dev->parent && dev->parent->devnum == 1) ||
45 (dev->devnum == 1))
46 return;
47
48 for (i = 0; i < USB_MAXCHILDREN; i++) {
49 if (dev->parent->children[i] == dev) {
50 *hub_devnum = (u8)dev->parent->devnum;
51 *hubport = i;
52 return;
53 }
54 }
55
56 printf("get_hub_data error.\n");
57}
58
59static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
60 struct usb_device *dev, int port)
61{
62 u16 val, usbspd, upphub, hubport;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090063 unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
64
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +090065 get_hub_data(dev, &upphub, &hubport);
66 usbspd = r8a66597->speed;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090067 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
68 r8a66597_write(r8a66597, val, devadd_reg);
69}
70
71static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
72{
73 u16 tmp;
74 int i = 0;
75
76#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
77 do {
78 r8a66597_write(r8a66597, SCKE, SYSCFG0);
79 tmp = r8a66597_read(r8a66597, SYSCFG0);
80 if (i++ > 1000) {
81 printf("register access fail.\n");
82 return -1;
83 }
84 } while ((tmp & SCKE) != SCKE);
85 r8a66597_write(r8a66597, 0x04, 0x02);
86#else
87 do {
88 r8a66597_write(r8a66597, USBE, SYSCFG0);
89 tmp = r8a66597_read(r8a66597, SYSCFG0);
90 if (i++ > 1000) {
91 printf("register access fail.\n");
92 return -1;
93 }
94 } while ((tmp & USBE) != USBE);
95 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
Nobuhiro Iwamatsu9d034202012-03-20 20:23:29 +000096 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +090097
98 i = 0;
99 r8a66597_bset(r8a66597, XCKE, SYSCFG0);
100 do {
101 udelay(1000);
102 tmp = r8a66597_read(r8a66597, SYSCFG0);
103 if (i++ > 500) {
104 printf("register access fail.\n");
105 return -1;
106 }
107 } while ((tmp & SCKE) != SCKE);
108#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
109
110 return 0;
111}
112
113static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
114{
115 r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
116 udelay(1);
117#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
118 r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
119 r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
120 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
121#endif
122}
123
124static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
125{
126 u16 val;
127
128 val = port ? DRPD : DCFM | DRPD;
129 r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
130 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
131
132 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port));
133}
134
135static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
136{
137 u16 val, tmp;
138
139 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
140 r8a66597_write(r8a66597, 0, get_intsts_reg(port));
141
142 r8a66597_port_power(r8a66597, port, 0);
143
144 do {
145 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
146 udelay(640);
147 } while (tmp == EDGESTS);
148
149 val = port ? DRPD : DCFM | DRPD;
150 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
151 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
152}
153
154static int enable_controller(struct r8a66597 *r8a66597)
155{
156 int ret, port;
157
158 ret = r8a66597_clock_enable(r8a66597);
159 if (ret < 0)
160 return ret;
161
Nobuhiro Iwamatsu9d034202012-03-20 20:23:29 +0000162 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900163 r8a66597_bset(r8a66597, USBE, SYSCFG0);
164
165 r8a66597_bset(r8a66597, INTL, SOFCFG);
166 r8a66597_write(r8a66597, 0, INTENB0);
yasuhisa umano8ecdce72014-04-18 11:33:08 +0900167 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
168 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900169
Nobuhiro Iwamatsu9d034202012-03-20 20:23:29 +0000170 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL);
171 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL);
172 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900173 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
174
175 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
176 r8a66597_enable_port(r8a66597, port);
177
178 return 0;
179}
180
181static void disable_controller(struct r8a66597 *r8a66597)
182{
183 int i;
184
185 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
186 return;
187
188 r8a66597_write(r8a66597, 0, INTENB0);
189 r8a66597_write(r8a66597, 0, INTSTS0);
190
191 r8a66597_write(r8a66597, 0, D0FIFOSEL);
192 r8a66597_write(r8a66597, 0, D1FIFOSEL);
193 r8a66597_write(r8a66597, 0, DCPCFG);
194 r8a66597_write(r8a66597, 0x40, DCPMAXP);
195 r8a66597_write(r8a66597, 0, DCPCTR);
196
197 for (i = 0; i <= 10; i++)
198 r8a66597_write(r8a66597, 0, get_devadd_addr(i));
199 for (i = 1; i <= 5; i++) {
200 r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
201 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
202 }
203 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
204 r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
205 r8a66597_write(r8a66597, i, PIPESEL);
206 r8a66597_write(r8a66597, 0, PIPECFG);
207 r8a66597_write(r8a66597, 0, PIPEBUF);
208 r8a66597_write(r8a66597, 0, PIPEMAXP);
209 r8a66597_write(r8a66597, 0, PIPEPERI);
210 }
211
212 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
213 r8a66597_disable_port(r8a66597, i);
214
215 r8a66597_clock_disable(r8a66597);
216}
217
218static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
219 u16 mask, u16 loop)
220{
221 u16 tmp;
222 int i = 0;
223
224 do {
225 tmp = r8a66597_read(r8a66597, reg);
226 if (i++ > 1000000) {
227 printf("register%lx, loop %x is timeout\n", reg, loop);
228 break;
229 }
230 } while ((tmp & mask) != loop);
231}
232
233static void pipe_buffer_setting(struct r8a66597 *r8a66597,
234 struct usb_device *dev, unsigned long pipe)
235{
236 u16 val = 0;
237 u16 pipenum, bufnum, maxpacket;
238
239 if (usb_pipein(pipe)) {
240 pipenum = BULK_IN_PIPENUM;
241 bufnum = BULK_IN_BUFNUM;
242 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
243 } else {
244 pipenum = BULK_OUT_PIPENUM;
245 bufnum = BULK_OUT_BUFNUM;
246 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
247 }
248
249 if (r8a66597->pipe_config & (1 << pipenum))
250 return;
251 r8a66597->pipe_config |= (1 << pipenum);
252
253 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
254 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
255 r8a66597_write(r8a66597, pipenum, PIPESEL);
256
257 /* FIXME: This driver support bulk transfer only. */
258 if (!usb_pipein(pipe))
259 val |= R8A66597_DIR;
260 else
261 val |= R8A66597_SHTNAK;
262 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
263 r8a66597_write(r8a66597, val, PIPECFG);
264
265 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
266 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
267 maxpacket, PIPEMAXP);
268 r8a66597_write(r8a66597, 0, PIPEPERI);
269 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
270}
271
272static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
273 struct devrequest *setup)
274{
275 int i;
276 unsigned short *p = (unsigned short *)setup;
277 unsigned long setup_addr = USBREQ;
278 u16 intsts1;
279 int timeout = 3000;
280 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
281
282 r8a66597_write(r8a66597, make_devsel(devsel) |
283 (8 << dev->maxpacketsize), DCPMAXP);
284 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
285
286 for (i = 0; i < 4; i++) {
287 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
288 setup_addr += 2;
289 }
290 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
291 r8a66597_write(r8a66597, SUREQ, DCPCTR);
292
293 while (1) {
294 intsts1 = r8a66597_read(r8a66597, INTSTS1);
295 if (intsts1 & SACK)
296 break;
297 if (intsts1 & SIGN) {
298 printf("setup packet send error\n");
299 return -1;
300 }
301 if (timeout-- < 0) {
302 printf("setup packet timeout\n");
303 return -1;
304 }
305 udelay(500);
306 }
307
308 return 0;
309}
310
311static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
312 unsigned long pipe, void *buffer, int transfer_len)
313{
314 u16 tmp, bufsize;
315 u16 *buf;
316 size_t size;
317
318 R8A66597_DPRINT("%s\n", __func__);
319
320 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
321 MBW | CURPIPE, CFIFOSEL);
322 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
323 tmp = r8a66597_read(r8a66597, CFIFOCTR);
324 if ((tmp & FRDY) == 0) {
325 printf("%s FRDY is not set (%x)\n", __func__, tmp);
326 return -1;
327 }
328
329 /* prepare parameters */
330 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
331 buf = (u16 *)(buffer + dev->act_len);
332 size = min((int)bufsize, transfer_len - dev->act_len);
333
334 /* write fifo */
335 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
336 if (buffer) {
337 r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
338 r8a66597_write(r8a66597, BVAL, CFIFOCTR);
339 }
340
341 /* update parameters */
342 dev->act_len += size;
343
344 r8a66597_mdfy(r8a66597, PID_BUF, PID,
345 get_pipectr_addr(BULK_OUT_PIPENUM));
346
347 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
348 if (ctrlc())
349 return -1;
350 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
351
352 if (dev->act_len >= transfer_len)
353 r8a66597_mdfy(r8a66597, PID_NAK, PID,
354 get_pipectr_addr(BULK_OUT_PIPENUM));
355
356 return 0;
357}
358
359static int receive_bulk_packet(struct r8a66597 *r8a66597,
360 struct usb_device *dev,
361 unsigned long pipe,
362 void *buffer, int transfer_len)
363{
364 u16 tmp;
365 u16 *buf;
366 const u16 pipenum = BULK_IN_PIPENUM;
367 int rcv_len;
368 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
369
370 R8A66597_DPRINT("%s\n", __func__);
371
372 /* prepare */
373 if (dev->act_len == 0) {
374 r8a66597_mdfy(r8a66597, PID_NAK, PID,
375 get_pipectr_addr(pipenum));
376 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
377
378 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
379 r8a66597_write(r8a66597,
380 (transfer_len + maxpacket - 1) / maxpacket,
381 get_pipetrn_addr(pipenum));
382 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
383
384 r8a66597_mdfy(r8a66597, PID_BUF, PID,
385 get_pipectr_addr(pipenum));
386 }
387
388 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
389 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
390
391 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
392 if (ctrlc())
393 return -1;
394 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
395
396 tmp = r8a66597_read(r8a66597, CFIFOCTR);
397 if ((tmp & FRDY) == 0) {
398 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
399 return -1;
400 }
401
402 buf = (u16 *)(buffer + dev->act_len);
403 rcv_len = tmp & DTLN;
404 dev->act_len += rcv_len;
405
406 if (buffer) {
407 if (rcv_len == 0)
408 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
409 else
410 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
411 }
412
413 return 0;
414}
415
416static int receive_control_packet(struct r8a66597 *r8a66597,
417 struct usb_device *dev,
418 void *buffer, int transfer_len)
419{
420 u16 tmp;
421 int rcv_len;
422
423 /* FIXME: limit transfer size : 64byte or less */
424
425 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
426 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
427 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
428 r8a66597_bset(r8a66597, SQSET, DCPCTR);
429 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
430 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
431
432 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
433 if (ctrlc())
434 return -1;
435 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
436
437 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
438 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
439
440 tmp = r8a66597_read(r8a66597, CFIFOCTR);
441 if ((tmp & FRDY) == 0) {
442 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
443 return -1;
444 }
445
446 rcv_len = tmp & DTLN;
447 dev->act_len += rcv_len;
448
449 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
450
451 if (buffer) {
452 if (rcv_len == 0)
453 r8a66597_write(r8a66597, BCLR, DCPCTR);
454 else
455 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
456 }
457
458 return 0;
459}
460
461static int send_status_packet(struct r8a66597 *r8a66597,
462 unsigned long pipe)
463{
464 r8a66597_bset(r8a66597, SQSET, DCPCTR);
465 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
466
467 if (usb_pipein(pipe)) {
468 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
469 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
470 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
471 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
472 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
473 } else {
474 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
475 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
476 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
477 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
478 }
479 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
480
481 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
482 if (ctrlc())
483 return -1;
484
485 return 0;
486}
487
488static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
489{
490 int count = R8A66597_MAX_SAMPLING;
491 unsigned short syssts, old_syssts;
492
493 R8A66597_DPRINT("%s\n", __func__);
494
495 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
496 while (count > 0) {
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000497 mdelay(R8A66597_RH_POLL_TIME);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900498
499 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
500 if (syssts == old_syssts) {
501 count--;
502 } else {
503 count = R8A66597_MAX_SAMPLING;
504 old_syssts = syssts;
505 }
506 }
507}
508
509static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
510{
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000511 mdelay(10);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900512 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000513 mdelay(50);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900514 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000515 mdelay(50);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900516}
517
518static int check_usb_device_connecting(struct r8a66597 *r8a66597)
519{
520 int timeout = 10000; /* 100usec * 10000 = 1sec */
521 int i;
522
523 for (i = 0; i < 5; i++) {
524 /* check a usb cable connect */
525 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
526 if (timeout-- < 0) {
527 printf("%s timeout.\n", __func__);
528 return -1;
529 }
530 udelay(100);
531 }
532
533 /* check a data line */
534 r8a66597_check_syssts(r8a66597, 0);
535
536 r8a66597_bus_reset(r8a66597, 0);
537 r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
538
539 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
540 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
541 r8a66597->port_status = USB_PORT_STAT_CONNECTION |
542 USB_PORT_STAT_ENABLE;
543 return 0; /* success */
544 }
545
546 R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
547 r8a66597_write(r8a66597, ~DTCH, INTSTS1);
548 }
549
550 return -1; /* fail */
551}
552
553/* based on usb_ohci.c */
554#define min_t(type, x, y) \
Nobuhiro Iwamatsue58c41e2008-09-18 20:13:08 +0900555 ({ type __x = (x); type __y = (y); __x < __y ? __x : __y; })
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900556/*-------------------------------------------------------------------------*
557 * Virtual Root Hub
558 *-------------------------------------------------------------------------*/
559
Stephen Warreneb838e72014-02-13 21:15:18 -0700560#include <usbroothubdes.h>
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900561
562static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
563 void *buffer, int transfer_len, struct devrequest *cmd)
564{
565 struct r8a66597 *r8a66597 = &gr8a66597;
566 int leni = transfer_len;
567 int len = 0;
568 int stat = 0;
569 __u16 bmRType_bReq;
570 __u16 wValue;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900571 __u16 wLength;
572 unsigned char data[32];
573
574 R8A66597_DPRINT("%s\n", __func__);
575
Remy Bohmer9dbc3662008-10-10 10:23:22 +0200576 if (usb_pipeint(pipe)) {
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900577 printf("Root-Hub submit IRQ: NOT implemented");
578 return 0;
579 }
580
581 bmRType_bReq = cmd->requesttype | (cmd->request << 8);
582 wValue = cpu_to_le16 (cmd->value);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900583 wLength = cpu_to_le16 (cmd->length);
584
585 switch (bmRType_bReq) {
586 case RH_GET_STATUS:
587 *(__u16 *)buffer = cpu_to_le16(1);
588 len = 2;
589 break;
590 case RH_GET_STATUS | RH_INTERFACE:
591 *(__u16 *)buffer = cpu_to_le16(0);
592 len = 2;
593 break;
594 case RH_GET_STATUS | RH_ENDPOINT:
595 *(__u16 *)buffer = cpu_to_le16(0);
596 len = 2;
597 break;
598 case RH_GET_STATUS | RH_CLASS:
599 *(__u32 *)buffer = cpu_to_le32(0);
600 len = 4;
601 break;
602 case RH_GET_STATUS | RH_OTHER | RH_CLASS:
603 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
604 (r8a66597->port_change << 16));
605 len = 4;
606 break;
607 case RH_CLEAR_FEATURE | RH_ENDPOINT:
608 case RH_CLEAR_FEATURE | RH_CLASS:
609 break;
610
611 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
612 switch (wValue) {
613 case RH_C_PORT_CONNECTION:
614 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
615 break;
616 }
617 break;
618
619 case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
620 switch (wValue) {
621 case (RH_PORT_SUSPEND):
622 break;
623 case (RH_PORT_RESET):
624 r8a66597_bus_reset(r8a66597, 0);
625 break;
626 case (RH_PORT_POWER):
627 break;
628 case (RH_PORT_ENABLE):
629 break;
630 }
631 break;
632 case RH_SET_ADDRESS:
633 gr8a66597.rh_devnum = wValue;
634 break;
635 case RH_GET_DESCRIPTOR:
636 switch ((wValue & 0xff00) >> 8) {
637 case (0x01): /* device descriptor */
638 len = min_t(unsigned int,
639 leni,
640 min_t(unsigned int,
641 sizeof(root_hub_dev_des),
642 wLength));
643 memcpy(buffer, root_hub_dev_des, len);
644 break;
645 case (0x02): /* configuration descriptor */
646 len = min_t(unsigned int,
647 leni,
648 min_t(unsigned int,
649 sizeof(root_hub_config_des),
650 wLength));
651 memcpy(buffer, root_hub_config_des, len);
652 break;
653 case (0x03): /* string descriptors */
654 if (wValue == 0x0300) {
655 len = min_t(unsigned int,
656 leni,
657 min_t(unsigned int,
658 sizeof(root_hub_str_index0),
659 wLength));
660 memcpy(buffer, root_hub_str_index0, len);
661 }
662 if (wValue == 0x0301) {
663 len = min_t(unsigned int,
664 leni,
665 min_t(unsigned int,
666 sizeof(root_hub_str_index1),
667 wLength));
668 memcpy(buffer, root_hub_str_index1, len);
669 }
670 break;
671 default:
672 stat = USB_ST_STALLED;
673 }
674 break;
675
676 case RH_GET_DESCRIPTOR | RH_CLASS:
677 {
678 __u32 temp = 0x00000001;
679
680 data[0] = 9; /* min length; */
681 data[1] = 0x29;
682 data[2] = temp & RH_A_NDP;
683 data[3] = 0;
684 if (temp & RH_A_PSM)
685 data[3] |= 0x1;
686 if (temp & RH_A_NOCP)
687 data[3] |= 0x10;
688 else if (temp & RH_A_OCPM)
689 data[3] |= 0x8;
690
691 /* corresponds to data[4-7] */
692 data[5] = (temp & RH_A_POTPGT) >> 24;
693 data[7] = temp & RH_B_DR;
694 if (data[2] < 7) {
695 data[8] = 0xff;
696 } else {
697 data[0] += 2;
698 data[8] = (temp & RH_B_DR) >> 8;
699 data[10] = data[9] = 0xff;
700 }
701
702 len = min_t(unsigned int, leni,
703 min_t(unsigned int, data[0], wLength));
704 memcpy(buffer, data, len);
705 break;
706 }
707
708 case RH_GET_CONFIGURATION:
709 *(__u8 *) buffer = 0x01;
710 len = 1;
711 break;
712 case RH_SET_CONFIGURATION:
713 break;
714 default:
Nobuhiro Iwamatsue58c41e2008-09-18 20:13:08 +0900715 R8A66597_DPRINT("unsupported root hub command");
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900716 stat = USB_ST_STALLED;
717 }
718
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000719 mdelay(1);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900720
721 len = min_t(int, len, leni);
722
723 dev->act_len = len;
724 dev->status = stat;
725
726 return stat;
727}
728
729int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
730 int transfer_len)
731{
732 struct r8a66597 *r8a66597 = &gr8a66597;
733 int ret = 0;
734
735 R8A66597_DPRINT("%s\n", __func__);
736 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
737 pipe, buffer, transfer_len, dev->devnum);
738
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +0900739 set_devadd(r8a66597, dev->devnum, dev, 0);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900740
741 pipe_buffer_setting(r8a66597, dev, pipe);
742
743 dev->act_len = 0;
744 while (dev->act_len < transfer_len && ret == 0) {
745 if (ctrlc())
746 return -1;
747
748 if (usb_pipein(pipe))
749 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
750 transfer_len);
751 else
752 ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
753 transfer_len);
754 }
755
756 if (ret == 0)
757 dev->status = 0;
758
759 return ret;
760}
761
762int submit_control_msg(struct usb_device *dev, unsigned long pipe,
763 void *buffer, int transfer_len, struct devrequest *setup)
764{
765 struct r8a66597 *r8a66597 = &gr8a66597;
766 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
767 0 : dev->devnum;
768
769 R8A66597_DPRINT("%s\n", __func__);
770 if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
771 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len,
772 setup);
773
774 R8A66597_DPRINT("%s: setup\n", __func__);
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +0900775 set_devadd(r8a66597, r8a66597_address, dev, 0);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900776
777 if (send_setup_packet(r8a66597, dev, setup) < 0) {
778 printf("setup packet send error\n");
779 return -1;
780 }
781
Yoshihiro Shimoda60ece6d2008-10-29 20:05:18 +0900782 dev->act_len = 0;
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900783 if (usb_pipein(pipe))
784 if (receive_control_packet(r8a66597, dev, buffer,
785 transfer_len) < 0)
786 return -1;
787
788 if (send_status_packet(r8a66597, pipe) < 0)
789 return -1;
790
791 dev->status = 0;
792
793 return 0;
794}
795
796int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
797 int transfer_len, int interval)
798{
799 /* no implement */
800 R8A66597_DPRINT("%s\n", __func__);
801 return 0;
802}
803
Troy Kisky06d513e2013-10-10 15:27:56 -0700804int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900805{
806 struct r8a66597 *r8a66597 = &gr8a66597;
807
808 R8A66597_DPRINT("%s\n", __func__);
809
Yasuhisa Umano198c5f92014-04-18 11:33:15 +0900810 memset(r8a66597, 0, sizeof(*r8a66597));
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900811 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR;
812
813 disable_controller(r8a66597);
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000814 mdelay(100);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900815
816 enable_controller(r8a66597);
817 r8a66597_port_power(r8a66597, 0 , 1);
818
819 /* check usb device */
820 check_usb_device_connecting(r8a66597);
821
Mike Frysinger5b84dd62012-03-05 13:47:00 +0000822 mdelay(50);
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900823
824 return 0;
825}
826
Lucas Stachc7e3b2b2012-09-26 00:14:34 +0200827int usb_lowlevel_stop(int index)
Yoshihiro Shimodafd0f2f32008-07-09 21:07:38 +0900828{
829 disable_controller(&gr8a66597);
830
831 return 0;
832}