1 /* 2 * R8A66597 HCD (Host Controller Driver) for u-boot 3 * 4 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0 7 */ 8 9 #include <common.h> 10 #include <console.h> 11 #include <usb.h> 12 #include <asm/io.h> 13 14 #include "r8a66597.h" 15 16 #ifdef R8A66597_DEBUG 17 #define R8A66597_DPRINT printf 18 #else 19 #define R8A66597_DPRINT(...) 20 #endif 21 22 static const char hcd_name[] = "r8a66597_hcd"; 23 static struct r8a66597 gr8a66597; 24 25 static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport) 26 { 27 int i; 28 29 *hub_devnum = 0; 30 *hubport = 0; 31 32 /* check a device connected to root_hub */ 33 if ((dev->parent && dev->parent->devnum == 1) || 34 (dev->devnum == 1)) 35 return; 36 37 for (i = 0; i < USB_MAXCHILDREN; i++) { 38 if (dev->parent->children[i] == dev) { 39 *hub_devnum = (u8)dev->parent->devnum; 40 *hubport = i; 41 return; 42 } 43 } 44 45 printf("get_hub_data error.\n"); 46 } 47 48 static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address, 49 struct usb_device *dev, int port) 50 { 51 u16 val, usbspd, upphub, hubport; 52 unsigned long devadd_reg = get_devadd_addr(r8a66597_address); 53 54 get_hub_data(dev, &upphub, &hubport); 55 usbspd = r8a66597->speed; 56 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001); 57 r8a66597_write(r8a66597, val, devadd_reg); 58 } 59 60 static 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); 85 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0); 86 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 } 101 102 static 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 } 112 113 static 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 } 123 124 static 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 } 142 143 static 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; 150 151 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG); 152 r8a66597_bset(r8a66597, USBE, SYSCFG0); 153 154 r8a66597_bset(r8a66597, INTL, SOFCFG); 155 r8a66597_write(r8a66597, 0, INTENB0); 156 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) 157 r8a66597_write(r8a66597, 0, get_intenb_reg(port)); 158 159 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); 162 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 } 169 170 static 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 } 206 207 static 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 } 221 222 static 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 } 260 261 static 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 } 299 300 static 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 } 347 348 static 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 } 404 405 static 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 } 449 450 static 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 } 476 477 static 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) { 486 mdelay(R8A66597_RH_POLL_TIME); 487 488 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 } 497 498 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port) 499 { 500 mdelay(10); 501 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port)); 502 mdelay(50); 503 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port)); 504 mdelay(50); 505 } 506 507 static 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 } 541 542 /*-------------------------------------------------------------------------* 543 * Virtual Root Hub 544 *-------------------------------------------------------------------------*/ 545 546 #include <usbroothubdes.h> 547 548 static 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; 557 __u16 wLength; 558 unsigned char data[32]; 559 560 R8A66597_DPRINT("%s\n", __func__); 561 562 if (usb_pipeint(pipe)) { 563 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); 569 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: 701 R8A66597_DPRINT("unsupported root hub command"); 702 stat = USB_ST_STALLED; 703 } 704 705 mdelay(1); 706 707 len = min_t(int, len, leni); 708 709 dev->act_len = len; 710 dev->status = stat; 711 712 return stat; 713 } 714 715 int 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); 724 725 set_devadd(r8a66597, dev->devnum, dev, 0); 726 727 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 } 747 748 int 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__); 761 set_devadd(r8a66597, r8a66597_address, dev, 0); 762 763 if (send_setup_packet(r8a66597, dev, setup) < 0) { 764 printf("setup packet send error\n"); 765 return -1; 766 } 767 768 dev->act_len = 0; 769 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 } 781 782 int 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 } 789 790 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) 791 { 792 struct r8a66597 *r8a66597 = &gr8a66597; 793 794 R8A66597_DPRINT("%s\n", __func__); 795 796 memset(r8a66597, 0, sizeof(*r8a66597)); 797 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; 798 799 disable_controller(r8a66597); 800 mdelay(100); 801 802 enable_controller(r8a66597); 803 r8a66597_port_power(r8a66597, 0 , 1); 804 805 /* check usb device */ 806 check_usb_device_connecting(r8a66597); 807 808 mdelay(50); 809 810 return 0; 811 } 812 813 int usb_lowlevel_stop(int index) 814 { 815 disable_controller(&gr8a66597); 816 817 return 0; 818 } 819