1 /* 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 27 #ifdef R8A66597_DEBUG 28 #define R8A66597_DPRINT printf 29 #else 30 #define R8A66597_DPRINT(...) 31 #endif 32 33 static const char hcd_name[] = "r8a66597_hcd"; 34 static struct r8a66597 gr8a66597; 35 36 static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport) 37 { 38 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 59 static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address, 60 struct usb_device *dev, int port) 61 { 62 u16 val, usbspd, upphub, hubport; 63 unsigned long devadd_reg = get_devadd_addr(r8a66597_address); 64 65 get_hub_data(dev, &upphub, &hubport); 66 usbspd = r8a66597->speed; 67 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001); 68 r8a66597_write(r8a66597, val, devadd_reg); 69 } 70 71 static 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); 96 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0); 97 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 } 112 113 static 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 } 123 124 static 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 } 134 135 static 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 } 153 154 static 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; 161 162 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG); 163 r8a66597_bset(r8a66597, USBE, SYSCFG0); 164 165 r8a66597_bset(r8a66597, INTL, SOFCFG); 166 r8a66597_write(r8a66597, 0, INTENB0); 167 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) 168 r8a66597_write(r8a66597, 0, get_intenb_reg(port)); 169 170 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); 173 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 } 180 181 static 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 } 217 218 static 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 } 232 233 static 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 } 271 272 static 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 } 310 311 static 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 } 358 359 static 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 } 415 416 static 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 } 460 461 static 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 } 487 488 static 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) { 497 mdelay(R8A66597_RH_POLL_TIME); 498 499 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 } 508 509 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port) 510 { 511 mdelay(10); 512 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port)); 513 mdelay(50); 514 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port)); 515 mdelay(50); 516 } 517 518 static 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 /*-------------------------------------------------------------------------* 554 * Virtual Root Hub 555 *-------------------------------------------------------------------------*/ 556 557 #include <usbroothubdes.h> 558 559 static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe, 560 void *buffer, int transfer_len, struct devrequest *cmd) 561 { 562 struct r8a66597 *r8a66597 = &gr8a66597; 563 int leni = transfer_len; 564 int len = 0; 565 int stat = 0; 566 __u16 bmRType_bReq; 567 __u16 wValue; 568 __u16 wLength; 569 unsigned char data[32]; 570 571 R8A66597_DPRINT("%s\n", __func__); 572 573 if (usb_pipeint(pipe)) { 574 printf("Root-Hub submit IRQ: NOT implemented"); 575 return 0; 576 } 577 578 bmRType_bReq = cmd->requesttype | (cmd->request << 8); 579 wValue = cpu_to_le16 (cmd->value); 580 wLength = cpu_to_le16 (cmd->length); 581 582 switch (bmRType_bReq) { 583 case RH_GET_STATUS: 584 *(__u16 *)buffer = cpu_to_le16(1); 585 len = 2; 586 break; 587 case RH_GET_STATUS | RH_INTERFACE: 588 *(__u16 *)buffer = cpu_to_le16(0); 589 len = 2; 590 break; 591 case RH_GET_STATUS | RH_ENDPOINT: 592 *(__u16 *)buffer = cpu_to_le16(0); 593 len = 2; 594 break; 595 case RH_GET_STATUS | RH_CLASS: 596 *(__u32 *)buffer = cpu_to_le32(0); 597 len = 4; 598 break; 599 case RH_GET_STATUS | RH_OTHER | RH_CLASS: 600 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status | 601 (r8a66597->port_change << 16)); 602 len = 4; 603 break; 604 case RH_CLEAR_FEATURE | RH_ENDPOINT: 605 case RH_CLEAR_FEATURE | RH_CLASS: 606 break; 607 608 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: 609 switch (wValue) { 610 case RH_C_PORT_CONNECTION: 611 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION; 612 break; 613 } 614 break; 615 616 case RH_SET_FEATURE | RH_OTHER | RH_CLASS: 617 switch (wValue) { 618 case (RH_PORT_SUSPEND): 619 break; 620 case (RH_PORT_RESET): 621 r8a66597_bus_reset(r8a66597, 0); 622 break; 623 case (RH_PORT_POWER): 624 break; 625 case (RH_PORT_ENABLE): 626 break; 627 } 628 break; 629 case RH_SET_ADDRESS: 630 gr8a66597.rh_devnum = wValue; 631 break; 632 case RH_GET_DESCRIPTOR: 633 switch ((wValue & 0xff00) >> 8) { 634 case (0x01): /* device descriptor */ 635 len = min_t(unsigned int, 636 leni, 637 min_t(unsigned int, 638 sizeof(root_hub_dev_des), 639 wLength)); 640 memcpy(buffer, root_hub_dev_des, len); 641 break; 642 case (0x02): /* configuration descriptor */ 643 len = min_t(unsigned int, 644 leni, 645 min_t(unsigned int, 646 sizeof(root_hub_config_des), 647 wLength)); 648 memcpy(buffer, root_hub_config_des, len); 649 break; 650 case (0x03): /* string descriptors */ 651 if (wValue == 0x0300) { 652 len = min_t(unsigned int, 653 leni, 654 min_t(unsigned int, 655 sizeof(root_hub_str_index0), 656 wLength)); 657 memcpy(buffer, root_hub_str_index0, len); 658 } 659 if (wValue == 0x0301) { 660 len = min_t(unsigned int, 661 leni, 662 min_t(unsigned int, 663 sizeof(root_hub_str_index1), 664 wLength)); 665 memcpy(buffer, root_hub_str_index1, len); 666 } 667 break; 668 default: 669 stat = USB_ST_STALLED; 670 } 671 break; 672 673 case RH_GET_DESCRIPTOR | RH_CLASS: 674 { 675 __u32 temp = 0x00000001; 676 677 data[0] = 9; /* min length; */ 678 data[1] = 0x29; 679 data[2] = temp & RH_A_NDP; 680 data[3] = 0; 681 if (temp & RH_A_PSM) 682 data[3] |= 0x1; 683 if (temp & RH_A_NOCP) 684 data[3] |= 0x10; 685 else if (temp & RH_A_OCPM) 686 data[3] |= 0x8; 687 688 /* corresponds to data[4-7] */ 689 data[5] = (temp & RH_A_POTPGT) >> 24; 690 data[7] = temp & RH_B_DR; 691 if (data[2] < 7) { 692 data[8] = 0xff; 693 } else { 694 data[0] += 2; 695 data[8] = (temp & RH_B_DR) >> 8; 696 data[10] = data[9] = 0xff; 697 } 698 699 len = min_t(unsigned int, leni, 700 min_t(unsigned int, data[0], wLength)); 701 memcpy(buffer, data, len); 702 break; 703 } 704 705 case RH_GET_CONFIGURATION: 706 *(__u8 *) buffer = 0x01; 707 len = 1; 708 break; 709 case RH_SET_CONFIGURATION: 710 break; 711 default: 712 R8A66597_DPRINT("unsupported root hub command"); 713 stat = USB_ST_STALLED; 714 } 715 716 mdelay(1); 717 718 len = min_t(int, len, leni); 719 720 dev->act_len = len; 721 dev->status = stat; 722 723 return stat; 724 } 725 726 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 727 int transfer_len) 728 { 729 struct r8a66597 *r8a66597 = &gr8a66597; 730 int ret = 0; 731 732 R8A66597_DPRINT("%s\n", __func__); 733 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n", 734 pipe, buffer, transfer_len, dev->devnum); 735 736 set_devadd(r8a66597, dev->devnum, dev, 0); 737 738 pipe_buffer_setting(r8a66597, dev, pipe); 739 740 dev->act_len = 0; 741 while (dev->act_len < transfer_len && ret == 0) { 742 if (ctrlc()) 743 return -1; 744 745 if (usb_pipein(pipe)) 746 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer, 747 transfer_len); 748 else 749 ret = send_bulk_packet(r8a66597, dev, pipe, buffer, 750 transfer_len); 751 } 752 753 if (ret == 0) 754 dev->status = 0; 755 756 return ret; 757 } 758 759 int submit_control_msg(struct usb_device *dev, unsigned long pipe, 760 void *buffer, int transfer_len, struct devrequest *setup) 761 { 762 struct r8a66597 *r8a66597 = &gr8a66597; 763 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ? 764 0 : dev->devnum; 765 766 R8A66597_DPRINT("%s\n", __func__); 767 if (usb_pipedevice(pipe) == r8a66597->rh_devnum) 768 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len, 769 setup); 770 771 R8A66597_DPRINT("%s: setup\n", __func__); 772 set_devadd(r8a66597, r8a66597_address, dev, 0); 773 774 if (send_setup_packet(r8a66597, dev, setup) < 0) { 775 printf("setup packet send error\n"); 776 return -1; 777 } 778 779 dev->act_len = 0; 780 if (usb_pipein(pipe)) 781 if (receive_control_packet(r8a66597, dev, buffer, 782 transfer_len) < 0) 783 return -1; 784 785 if (send_status_packet(r8a66597, pipe) < 0) 786 return -1; 787 788 dev->status = 0; 789 790 return 0; 791 } 792 793 int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 794 int transfer_len, int interval) 795 { 796 /* no implement */ 797 R8A66597_DPRINT("%s\n", __func__); 798 return 0; 799 } 800 801 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) 802 { 803 struct r8a66597 *r8a66597 = &gr8a66597; 804 805 R8A66597_DPRINT("%s\n", __func__); 806 807 memset(r8a66597, 0, sizeof(*r8a66597)); 808 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; 809 810 disable_controller(r8a66597); 811 mdelay(100); 812 813 enable_controller(r8a66597); 814 r8a66597_port_power(r8a66597, 0 , 1); 815 816 /* check usb device */ 817 check_usb_device_connecting(r8a66597); 818 819 mdelay(50); 820 821 return 0; 822 } 823 824 int usb_lowlevel_stop(int index) 825 { 826 disable_controller(&gr8a66597); 827 828 return 0; 829 } 830