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 r8a66597_write(r8a66597, 0, INTENB1); 168 r8a66597_write(r8a66597, 0, INTENB2); 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 /* based on usb_ohci.c */ 554 #define min_t(type, x, y) \ 555 ({ type __x = (x); type __y = (y); __x < __y ? __x : __y; }) 556 /*-------------------------------------------------------------------------* 557 * Virtual Root Hub 558 *-------------------------------------------------------------------------*/ 559 560 /* Device descriptor */ 561 static __u8 root_hub_dev_des[] = 562 { 563 0x12, /* __u8 bLength; */ 564 0x01, /* __u8 bDescriptorType; Device */ 565 0x10, /* __u16 bcdUSB; v1.1 */ 566 0x01, 567 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ 568 0x00, /* __u8 bDeviceSubClass; */ 569 0x00, /* __u8 bDeviceProtocol; */ 570 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ 571 0x00, /* __u16 idVendor; */ 572 0x00, 573 0x00, /* __u16 idProduct; */ 574 0x00, 575 0x00, /* __u16 bcdDevice; */ 576 0x00, 577 0x00, /* __u8 iManufacturer; */ 578 0x01, /* __u8 iProduct; */ 579 0x00, /* __u8 iSerialNumber; */ 580 0x01 /* __u8 bNumConfigurations; */ 581 }; 582 583 /* Configuration descriptor */ 584 static __u8 root_hub_config_des[] = 585 { 586 0x09, /* __u8 bLength; */ 587 0x02, /* __u8 bDescriptorType; Configuration */ 588 0x19, /* __u16 wTotalLength; */ 589 0x00, 590 0x01, /* __u8 bNumInterfaces; */ 591 0x01, /* __u8 bConfigurationValue; */ 592 0x00, /* __u8 iConfiguration; */ 593 0x40, /* __u8 bmAttributes; */ 594 595 0x00, /* __u8 MaxPower; */ 596 597 /* interface */ 598 0x09, /* __u8 if_bLength; */ 599 0x04, /* __u8 if_bDescriptorType; Interface */ 600 0x00, /* __u8 if_bInterfaceNumber; */ 601 0x00, /* __u8 if_bAlternateSetting; */ 602 0x01, /* __u8 if_bNumEndpoints; */ 603 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ 604 0x00, /* __u8 if_bInterfaceSubClass; */ 605 0x00, /* __u8 if_bInterfaceProtocol; */ 606 0x00, /* __u8 if_iInterface; */ 607 608 /* endpoint */ 609 0x07, /* __u8 ep_bLength; */ 610 0x05, /* __u8 ep_bDescriptorType; Endpoint */ 611 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 612 0x03, /* __u8 ep_bmAttributes; Interrupt */ 613 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ 614 0x00, 615 0xff /* __u8 ep_bInterval; 255 ms */ 616 }; 617 618 static unsigned char root_hub_str_index0[] = 619 { 620 0x04, /* __u8 bLength; */ 621 0x03, /* __u8 bDescriptorType; String-descriptor */ 622 0x09, /* __u8 lang ID */ 623 0x04, /* __u8 lang ID */ 624 }; 625 626 static unsigned char root_hub_str_index1[] = 627 { 628 34, /* __u8 bLength; */ 629 0x03, /* __u8 bDescriptorType; String-descriptor */ 630 'R', /* __u8 Unicode */ 631 0, /* __u8 Unicode */ 632 '8', /* __u8 Unicode */ 633 0, /* __u8 Unicode */ 634 'A', /* __u8 Unicode */ 635 0, /* __u8 Unicode */ 636 '6', /* __u8 Unicode */ 637 0, /* __u8 Unicode */ 638 '6', /* __u8 Unicode */ 639 0, /* __u8 Unicode */ 640 '5', /* __u8 Unicode */ 641 0, /* __u8 Unicode */ 642 '9', /* __u8 Unicode */ 643 0, /* __u8 Unicode */ 644 '7', /* __u8 Unicode */ 645 0, /* __u8 Unicode */ 646 ' ', /* __u8 Unicode */ 647 0, /* __u8 Unicode */ 648 'R', /* __u8 Unicode */ 649 0, /* __u8 Unicode */ 650 'o', /* __u8 Unicode */ 651 0, /* __u8 Unicode */ 652 'o', /* __u8 Unicode */ 653 0, /* __u8 Unicode */ 654 't', /* __u8 Unicode */ 655 0, /* __u8 Unicode */ 656 'H', /* __u8 Unicode */ 657 0, /* __u8 Unicode */ 658 'u', /* __u8 Unicode */ 659 0, /* __u8 Unicode */ 660 'b', /* __u8 Unicode */ 661 0, /* __u8 Unicode */ 662 }; 663 664 static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe, 665 void *buffer, int transfer_len, struct devrequest *cmd) 666 { 667 struct r8a66597 *r8a66597 = &gr8a66597; 668 int leni = transfer_len; 669 int len = 0; 670 int stat = 0; 671 __u16 bmRType_bReq; 672 __u16 wValue; 673 __u16 wLength; 674 unsigned char data[32]; 675 676 R8A66597_DPRINT("%s\n", __func__); 677 678 if (usb_pipeint(pipe)) { 679 printf("Root-Hub submit IRQ: NOT implemented"); 680 return 0; 681 } 682 683 bmRType_bReq = cmd->requesttype | (cmd->request << 8); 684 wValue = cpu_to_le16 (cmd->value); 685 wLength = cpu_to_le16 (cmd->length); 686 687 switch (bmRType_bReq) { 688 case RH_GET_STATUS: 689 *(__u16 *)buffer = cpu_to_le16(1); 690 len = 2; 691 break; 692 case RH_GET_STATUS | RH_INTERFACE: 693 *(__u16 *)buffer = cpu_to_le16(0); 694 len = 2; 695 break; 696 case RH_GET_STATUS | RH_ENDPOINT: 697 *(__u16 *)buffer = cpu_to_le16(0); 698 len = 2; 699 break; 700 case RH_GET_STATUS | RH_CLASS: 701 *(__u32 *)buffer = cpu_to_le32(0); 702 len = 4; 703 break; 704 case RH_GET_STATUS | RH_OTHER | RH_CLASS: 705 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status | 706 (r8a66597->port_change << 16)); 707 len = 4; 708 break; 709 case RH_CLEAR_FEATURE | RH_ENDPOINT: 710 case RH_CLEAR_FEATURE | RH_CLASS: 711 break; 712 713 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: 714 switch (wValue) { 715 case RH_C_PORT_CONNECTION: 716 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION; 717 break; 718 } 719 break; 720 721 case RH_SET_FEATURE | RH_OTHER | RH_CLASS: 722 switch (wValue) { 723 case (RH_PORT_SUSPEND): 724 break; 725 case (RH_PORT_RESET): 726 r8a66597_bus_reset(r8a66597, 0); 727 break; 728 case (RH_PORT_POWER): 729 break; 730 case (RH_PORT_ENABLE): 731 break; 732 } 733 break; 734 case RH_SET_ADDRESS: 735 gr8a66597.rh_devnum = wValue; 736 break; 737 case RH_GET_DESCRIPTOR: 738 switch ((wValue & 0xff00) >> 8) { 739 case (0x01): /* device descriptor */ 740 len = min_t(unsigned int, 741 leni, 742 min_t(unsigned int, 743 sizeof(root_hub_dev_des), 744 wLength)); 745 memcpy(buffer, root_hub_dev_des, len); 746 break; 747 case (0x02): /* configuration descriptor */ 748 len = min_t(unsigned int, 749 leni, 750 min_t(unsigned int, 751 sizeof(root_hub_config_des), 752 wLength)); 753 memcpy(buffer, root_hub_config_des, len); 754 break; 755 case (0x03): /* string descriptors */ 756 if (wValue == 0x0300) { 757 len = min_t(unsigned int, 758 leni, 759 min_t(unsigned int, 760 sizeof(root_hub_str_index0), 761 wLength)); 762 memcpy(buffer, root_hub_str_index0, len); 763 } 764 if (wValue == 0x0301) { 765 len = min_t(unsigned int, 766 leni, 767 min_t(unsigned int, 768 sizeof(root_hub_str_index1), 769 wLength)); 770 memcpy(buffer, root_hub_str_index1, len); 771 } 772 break; 773 default: 774 stat = USB_ST_STALLED; 775 } 776 break; 777 778 case RH_GET_DESCRIPTOR | RH_CLASS: 779 { 780 __u32 temp = 0x00000001; 781 782 data[0] = 9; /* min length; */ 783 data[1] = 0x29; 784 data[2] = temp & RH_A_NDP; 785 data[3] = 0; 786 if (temp & RH_A_PSM) 787 data[3] |= 0x1; 788 if (temp & RH_A_NOCP) 789 data[3] |= 0x10; 790 else if (temp & RH_A_OCPM) 791 data[3] |= 0x8; 792 793 /* corresponds to data[4-7] */ 794 data[5] = (temp & RH_A_POTPGT) >> 24; 795 data[7] = temp & RH_B_DR; 796 if (data[2] < 7) { 797 data[8] = 0xff; 798 } else { 799 data[0] += 2; 800 data[8] = (temp & RH_B_DR) >> 8; 801 data[10] = data[9] = 0xff; 802 } 803 804 len = min_t(unsigned int, leni, 805 min_t(unsigned int, data[0], wLength)); 806 memcpy(buffer, data, len); 807 break; 808 } 809 810 case RH_GET_CONFIGURATION: 811 *(__u8 *) buffer = 0x01; 812 len = 1; 813 break; 814 case RH_SET_CONFIGURATION: 815 break; 816 default: 817 R8A66597_DPRINT("unsupported root hub command"); 818 stat = USB_ST_STALLED; 819 } 820 821 mdelay(1); 822 823 len = min_t(int, len, leni); 824 825 dev->act_len = len; 826 dev->status = stat; 827 828 return stat; 829 } 830 831 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 832 int transfer_len) 833 { 834 struct r8a66597 *r8a66597 = &gr8a66597; 835 int ret = 0; 836 837 R8A66597_DPRINT("%s\n", __func__); 838 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n", 839 pipe, buffer, transfer_len, dev->devnum); 840 841 set_devadd(r8a66597, dev->devnum, dev, 0); 842 843 pipe_buffer_setting(r8a66597, dev, pipe); 844 845 dev->act_len = 0; 846 while (dev->act_len < transfer_len && ret == 0) { 847 if (ctrlc()) 848 return -1; 849 850 if (usb_pipein(pipe)) 851 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer, 852 transfer_len); 853 else 854 ret = send_bulk_packet(r8a66597, dev, pipe, buffer, 855 transfer_len); 856 } 857 858 if (ret == 0) 859 dev->status = 0; 860 861 return ret; 862 } 863 864 int submit_control_msg(struct usb_device *dev, unsigned long pipe, 865 void *buffer, int transfer_len, struct devrequest *setup) 866 { 867 struct r8a66597 *r8a66597 = &gr8a66597; 868 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ? 869 0 : dev->devnum; 870 871 R8A66597_DPRINT("%s\n", __func__); 872 if (usb_pipedevice(pipe) == r8a66597->rh_devnum) 873 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len, 874 setup); 875 876 R8A66597_DPRINT("%s: setup\n", __func__); 877 set_devadd(r8a66597, r8a66597_address, dev, 0); 878 879 if (send_setup_packet(r8a66597, dev, setup) < 0) { 880 printf("setup packet send error\n"); 881 return -1; 882 } 883 884 dev->act_len = 0; 885 if (usb_pipein(pipe)) 886 if (receive_control_packet(r8a66597, dev, buffer, 887 transfer_len) < 0) 888 return -1; 889 890 if (send_status_packet(r8a66597, pipe) < 0) 891 return -1; 892 893 dev->status = 0; 894 895 return 0; 896 } 897 898 int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 899 int transfer_len, int interval) 900 { 901 /* no implement */ 902 R8A66597_DPRINT("%s\n", __func__); 903 return 0; 904 } 905 906 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) 907 { 908 struct r8a66597 *r8a66597 = &gr8a66597; 909 910 R8A66597_DPRINT("%s\n", __func__); 911 912 memset(r8a66597, 0, sizeof(r8a66597)); 913 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; 914 915 disable_controller(r8a66597); 916 mdelay(100); 917 918 enable_controller(r8a66597); 919 r8a66597_port_power(r8a66597, 0 , 1); 920 921 /* check usb device */ 922 check_usb_device_connecting(r8a66597); 923 924 mdelay(50); 925 926 return 0; 927 } 928 929 int usb_lowlevel_stop(int index) 930 { 931 disable_controller(&gr8a66597); 932 933 return 0; 934 } 935