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 #include <linux/iopoll.h> 14 15 #include "r8a66597.h" 16 17 #ifdef R8A66597_DEBUG 18 #define R8A66597_DPRINT printf 19 #else 20 #define R8A66597_DPRINT(...) 21 #endif 22 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 #if !defined(CONFIG_RZA_USB) 86 r8a66597_mdfy(r8a66597, CONFIG_R8A66597_XTAL, XTAL, SYSCFG0); 87 88 i = 0; 89 r8a66597_bset(r8a66597, XCKE, SYSCFG0); 90 do { 91 udelay(1000); 92 tmp = r8a66597_read(r8a66597, SYSCFG0); 93 if (i++ > 500) { 94 printf("register access fail.\n"); 95 return -1; 96 } 97 } while ((tmp & SCKE) != SCKE); 98 #else 99 /* 100 * RZ/A Only: 101 * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0 102 * and USB1, so we must always set the USB0 register 103 */ 104 #if (CONFIG_R8A66597_XTAL == 1) 105 setbits(le16, R8A66597_BASE0, XTAL); 106 #endif 107 mdelay(1); 108 setbits(le16, R8A66597_BASE0, UPLLE); 109 mdelay(1); 110 r8a66597_bset(r8a66597, SUSPM, SUSPMODE0); 111 #endif /* CONFIG_RZA_USB */ 112 #endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */ 113 114 return 0; 115 } 116 117 static void r8a66597_clock_disable(struct r8a66597 *r8a66597) 118 { 119 #if !defined(CONFIG_RZA_USB) 120 r8a66597_bclr(r8a66597, SCKE, SYSCFG0); 121 udelay(1); 122 #if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597) 123 r8a66597_bclr(r8a66597, PLLC, SYSCFG0); 124 r8a66597_bclr(r8a66597, XCKE, SYSCFG0); 125 r8a66597_bclr(r8a66597, USBE, SYSCFG0); 126 #endif 127 #else 128 r8a66597_bclr(r8a66597, SUSPM, SUSPMODE0); 129 130 clrbits(le16, R8A66597_BASE0, UPLLE); 131 mdelay(1); 132 r8a66597_bclr(r8a66597, USBE, SYSCFG0); 133 mdelay(1); 134 135 #endif 136 } 137 138 static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port) 139 { 140 u16 val; 141 142 val = port ? DRPD : DCFM | DRPD; 143 r8a66597_bset(r8a66597, val, get_syscfg_reg(port)); 144 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); 145 146 #if !defined(CONFIG_RZA_USB) 147 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port)); 148 #endif 149 } 150 151 static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port) 152 { 153 u16 val, tmp; 154 155 r8a66597_write(r8a66597, 0, get_intenb_reg(port)); 156 r8a66597_write(r8a66597, 0, get_intsts_reg(port)); 157 158 r8a66597_port_power(r8a66597, port, 0); 159 160 do { 161 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS; 162 udelay(640); 163 } while (tmp == EDGESTS); 164 165 val = port ? DRPD : DCFM | DRPD; 166 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port)); 167 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); 168 } 169 170 static int enable_controller(struct r8a66597 *r8a66597) 171 { 172 int ret, port; 173 174 ret = r8a66597_clock_enable(r8a66597); 175 if (ret < 0) 176 return ret; 177 178 #if !defined(CONFIG_RZA_USB) 179 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG); 180 #endif 181 r8a66597_bset(r8a66597, USBE, SYSCFG0); 182 183 r8a66597_bset(r8a66597, INTL, SOFCFG); 184 r8a66597_write(r8a66597, 0, INTENB0); 185 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) 186 r8a66597_write(r8a66597, 0, get_intenb_reg(port)); 187 188 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL); 189 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL); 190 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL); 191 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG); 192 193 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) 194 r8a66597_enable_port(r8a66597, port); 195 196 return 0; 197 } 198 199 static void disable_controller(struct r8a66597 *r8a66597) 200 { 201 int i; 202 203 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE)) 204 return; 205 206 r8a66597_write(r8a66597, 0, INTENB0); 207 r8a66597_write(r8a66597, 0, INTSTS0); 208 209 r8a66597_write(r8a66597, 0, D0FIFOSEL); 210 r8a66597_write(r8a66597, 0, D1FIFOSEL); 211 r8a66597_write(r8a66597, 0, DCPCFG); 212 r8a66597_write(r8a66597, 0x40, DCPMAXP); 213 r8a66597_write(r8a66597, 0, DCPCTR); 214 215 for (i = 0; i <= 10; i++) 216 r8a66597_write(r8a66597, 0, get_devadd_addr(i)); 217 for (i = 1; i <= 5; i++) { 218 r8a66597_write(r8a66597, 0, get_pipetre_addr(i)); 219 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i)); 220 } 221 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) { 222 r8a66597_write(r8a66597, 0, get_pipectr_addr(i)); 223 r8a66597_write(r8a66597, i, PIPESEL); 224 r8a66597_write(r8a66597, 0, PIPECFG); 225 r8a66597_write(r8a66597, 0, PIPEBUF); 226 r8a66597_write(r8a66597, 0, PIPEMAXP); 227 r8a66597_write(r8a66597, 0, PIPEPERI); 228 } 229 230 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++) 231 r8a66597_disable_port(r8a66597, i); 232 233 r8a66597_clock_disable(r8a66597); 234 } 235 236 static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg, 237 u16 mask, u16 loop) 238 { 239 u16 tmp; 240 int i = 0; 241 242 do { 243 tmp = r8a66597_read(r8a66597, reg); 244 if (i++ > 1000000) { 245 printf("register%lx, loop %x is timeout\n", reg, loop); 246 break; 247 } 248 } while ((tmp & mask) != loop); 249 } 250 251 static void pipe_buffer_setting(struct r8a66597 *r8a66597, 252 struct usb_device *dev, unsigned long pipe) 253 { 254 u16 val = 0; 255 u16 pipenum, bufnum, maxpacket; 256 257 if (usb_pipein(pipe)) { 258 pipenum = BULK_IN_PIPENUM; 259 bufnum = BULK_IN_BUFNUM; 260 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)]; 261 } else { 262 pipenum = BULK_OUT_PIPENUM; 263 bufnum = BULK_OUT_BUFNUM; 264 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)]; 265 } 266 267 if (r8a66597->pipe_config & (1 << pipenum)) 268 return; 269 r8a66597->pipe_config |= (1 << pipenum); 270 271 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum)); 272 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum)); 273 r8a66597_write(r8a66597, pipenum, PIPESEL); 274 275 /* FIXME: This driver support bulk transfer only. */ 276 if (!usb_pipein(pipe)) 277 val |= R8A66597_DIR; 278 else 279 val |= R8A66597_SHTNAK; 280 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe); 281 r8a66597_write(r8a66597, val, PIPECFG); 282 283 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF); 284 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) | 285 maxpacket, PIPEMAXP); 286 r8a66597_write(r8a66597, 0, PIPEPERI); 287 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum)); 288 } 289 290 static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev, 291 struct devrequest *setup) 292 { 293 int i; 294 unsigned short *p = (unsigned short *)setup; 295 unsigned long setup_addr = USBREQ; 296 u16 intsts1; 297 int timeout = 3000; 298 #if defined(CONFIG_RZA_USB) 299 u16 dcpctr; 300 #endif 301 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum; 302 303 r8a66597_write(r8a66597, make_devsel(devsel) | 304 (8 << dev->maxpacketsize), DCPMAXP); 305 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1); 306 307 #if defined(CONFIG_RZA_USB) 308 dcpctr = r8a66597_read(r8a66597, DCPCTR); 309 if ((dcpctr & PID) == PID_BUF) { 310 if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr, 311 dcpctr & BSTS, 1000) < 0) { 312 printf("DCPCTR BSTS timeout!\n"); 313 return -ETIMEDOUT; 314 } 315 } 316 #endif 317 318 for (i = 0; i < 4; i++) { 319 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr); 320 setup_addr += 2; 321 } 322 r8a66597_write(r8a66597, ~0x0001, BRDYSTS); 323 r8a66597_write(r8a66597, SUREQ, DCPCTR); 324 325 while (1) { 326 intsts1 = r8a66597_read(r8a66597, INTSTS1); 327 if (intsts1 & SACK) 328 break; 329 if (intsts1 & SIGN) { 330 printf("setup packet send error\n"); 331 return -1; 332 } 333 if (timeout-- < 0) { 334 printf("setup packet timeout\n"); 335 return -1; 336 } 337 udelay(500); 338 } 339 340 return 0; 341 } 342 343 static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev, 344 unsigned long pipe, void *buffer, int transfer_len) 345 { 346 u16 tmp, bufsize; 347 u16 *buf; 348 size_t size; 349 350 R8A66597_DPRINT("%s\n", __func__); 351 352 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM, 353 MBW | CURPIPE, CFIFOSEL); 354 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM); 355 tmp = r8a66597_read(r8a66597, CFIFOCTR); 356 if ((tmp & FRDY) == 0) { 357 printf("%s FRDY is not set (%x)\n", __func__, tmp); 358 return -1; 359 } 360 361 /* prepare parameters */ 362 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)]; 363 buf = (u16 *)(buffer + dev->act_len); 364 size = min((int)bufsize, transfer_len - dev->act_len); 365 366 /* write fifo */ 367 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS); 368 if (buffer) { 369 r8a66597_write_fifo(r8a66597, CFIFO, buf, size); 370 r8a66597_write(r8a66597, BVAL, CFIFOCTR); 371 } 372 373 /* update parameters */ 374 dev->act_len += size; 375 376 r8a66597_mdfy(r8a66597, PID_BUF, PID, 377 get_pipectr_addr(BULK_OUT_PIPENUM)); 378 379 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM))) 380 if (ctrlc()) 381 return -1; 382 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS); 383 384 if (dev->act_len >= transfer_len) 385 r8a66597_mdfy(r8a66597, PID_NAK, PID, 386 get_pipectr_addr(BULK_OUT_PIPENUM)); 387 388 return 0; 389 } 390 391 static int receive_bulk_packet(struct r8a66597 *r8a66597, 392 struct usb_device *dev, 393 unsigned long pipe, 394 void *buffer, int transfer_len) 395 { 396 u16 tmp; 397 u16 *buf; 398 const u16 pipenum = BULK_IN_PIPENUM; 399 int rcv_len; 400 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)]; 401 402 R8A66597_DPRINT("%s\n", __func__); 403 404 /* prepare */ 405 if (dev->act_len == 0) { 406 r8a66597_mdfy(r8a66597, PID_NAK, PID, 407 get_pipectr_addr(pipenum)); 408 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS); 409 410 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum)); 411 r8a66597_write(r8a66597, 412 (transfer_len + maxpacket - 1) / maxpacket, 413 get_pipetrn_addr(pipenum)); 414 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum)); 415 416 r8a66597_mdfy(r8a66597, PID_BUF, PID, 417 get_pipectr_addr(pipenum)); 418 } 419 420 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL); 421 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum); 422 423 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum))) 424 if (ctrlc()) 425 return -1; 426 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS); 427 428 tmp = r8a66597_read(r8a66597, CFIFOCTR); 429 if ((tmp & FRDY) == 0) { 430 printf("%s FRDY is not set. (%x)\n", __func__, tmp); 431 return -1; 432 } 433 434 buf = (u16 *)(buffer + dev->act_len); 435 rcv_len = tmp & DTLN; 436 dev->act_len += rcv_len; 437 438 if (buffer) { 439 if (rcv_len == 0) 440 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 441 else 442 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len); 443 } 444 445 return 0; 446 } 447 448 static int receive_control_packet(struct r8a66597 *r8a66597, 449 struct usb_device *dev, 450 void *buffer, int transfer_len) 451 { 452 u16 tmp; 453 int rcv_len; 454 455 /* FIXME: limit transfer size : 64byte or less */ 456 457 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); 458 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); 459 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 460 r8a66597_bset(r8a66597, SQSET, DCPCTR); 461 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 462 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR); 463 464 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001)) 465 if (ctrlc()) 466 return -1; 467 r8a66597_write(r8a66597, ~0x0001, BRDYSTS); 468 469 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL); 470 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 471 472 tmp = r8a66597_read(r8a66597, CFIFOCTR); 473 if ((tmp & FRDY) == 0) { 474 printf("%s FRDY is not set. (%x)\n", __func__, tmp); 475 return -1; 476 } 477 478 rcv_len = tmp & DTLN; 479 dev->act_len += rcv_len; 480 481 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR); 482 483 if (buffer) { 484 if (rcv_len == 0) 485 r8a66597_write(r8a66597, BCLR, DCPCTR); 486 else 487 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len); 488 } 489 490 return 0; 491 } 492 493 static int send_status_packet(struct r8a66597 *r8a66597, 494 unsigned long pipe) 495 { 496 r8a66597_bset(r8a66597, SQSET, DCPCTR); 497 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR); 498 499 if (usb_pipein(pipe)) { 500 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG); 501 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL); 502 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 503 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS); 504 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR); 505 } else { 506 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); 507 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); 508 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 509 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 510 } 511 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR); 512 513 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001)) 514 if (ctrlc()) 515 return -1; 516 517 return 0; 518 } 519 520 static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port) 521 { 522 int count = R8A66597_MAX_SAMPLING; 523 unsigned short syssts, old_syssts; 524 525 R8A66597_DPRINT("%s\n", __func__); 526 527 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST); 528 while (count > 0) { 529 mdelay(R8A66597_RH_POLL_TIME); 530 531 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST); 532 if (syssts == old_syssts) { 533 count--; 534 } else { 535 count = R8A66597_MAX_SAMPLING; 536 old_syssts = syssts; 537 } 538 } 539 } 540 541 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port) 542 { 543 mdelay(10); 544 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port)); 545 mdelay(50); 546 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port)); 547 mdelay(50); 548 } 549 550 static int check_usb_device_connecting(struct r8a66597 *r8a66597) 551 { 552 int timeout = 10000; /* 100usec * 10000 = 1sec */ 553 int i; 554 555 for (i = 0; i < 5; i++) { 556 /* check a usb cable connect */ 557 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) { 558 if (timeout-- < 0) { 559 printf("%s timeout.\n", __func__); 560 return -1; 561 } 562 udelay(100); 563 } 564 565 /* check a data line */ 566 r8a66597_check_syssts(r8a66597, 0); 567 568 r8a66597_bus_reset(r8a66597, 0); 569 r8a66597->speed = get_rh_usb_speed(r8a66597, 0); 570 571 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) { 572 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION; 573 r8a66597->port_status = USB_PORT_STAT_CONNECTION | 574 USB_PORT_STAT_ENABLE; 575 return 0; /* success */ 576 } 577 578 R8A66597_DPRINT("USB device has detached. retry = %d\n", i); 579 r8a66597_write(r8a66597, ~DTCH, INTSTS1); 580 } 581 582 return -1; /* fail */ 583 } 584 585 /*-------------------------------------------------------------------------* 586 * Virtual Root Hub 587 *-------------------------------------------------------------------------*/ 588 589 #include <usbroothubdes.h> 590 591 static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe, 592 void *buffer, int transfer_len, struct devrequest *cmd) 593 { 594 struct r8a66597 *r8a66597 = &gr8a66597; 595 int leni = transfer_len; 596 int len = 0; 597 int stat = 0; 598 __u16 bmRType_bReq; 599 __u16 wValue; 600 __u16 wLength; 601 unsigned char data[32]; 602 603 R8A66597_DPRINT("%s\n", __func__); 604 605 if (usb_pipeint(pipe)) { 606 printf("Root-Hub submit IRQ: NOT implemented"); 607 return 0; 608 } 609 610 bmRType_bReq = cmd->requesttype | (cmd->request << 8); 611 wValue = cpu_to_le16 (cmd->value); 612 wLength = cpu_to_le16 (cmd->length); 613 614 switch (bmRType_bReq) { 615 case RH_GET_STATUS: 616 *(__u16 *)buffer = cpu_to_le16(1); 617 len = 2; 618 break; 619 case RH_GET_STATUS | RH_INTERFACE: 620 *(__u16 *)buffer = cpu_to_le16(0); 621 len = 2; 622 break; 623 case RH_GET_STATUS | RH_ENDPOINT: 624 *(__u16 *)buffer = cpu_to_le16(0); 625 len = 2; 626 break; 627 case RH_GET_STATUS | RH_CLASS: 628 *(__u32 *)buffer = cpu_to_le32(0); 629 len = 4; 630 break; 631 case RH_GET_STATUS | RH_OTHER | RH_CLASS: 632 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status | 633 (r8a66597->port_change << 16)); 634 len = 4; 635 break; 636 case RH_CLEAR_FEATURE | RH_ENDPOINT: 637 case RH_CLEAR_FEATURE | RH_CLASS: 638 break; 639 640 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: 641 switch (wValue) { 642 case RH_C_PORT_CONNECTION: 643 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION; 644 break; 645 } 646 break; 647 648 case RH_SET_FEATURE | RH_OTHER | RH_CLASS: 649 switch (wValue) { 650 case (RH_PORT_SUSPEND): 651 break; 652 case (RH_PORT_RESET): 653 r8a66597_bus_reset(r8a66597, 0); 654 break; 655 case (RH_PORT_POWER): 656 break; 657 case (RH_PORT_ENABLE): 658 break; 659 } 660 break; 661 case RH_SET_ADDRESS: 662 gr8a66597.rh_devnum = wValue; 663 break; 664 case RH_GET_DESCRIPTOR: 665 switch ((wValue & 0xff00) >> 8) { 666 case (0x01): /* device descriptor */ 667 len = min_t(unsigned int, 668 leni, 669 min_t(unsigned int, 670 sizeof(root_hub_dev_des), 671 wLength)); 672 memcpy(buffer, root_hub_dev_des, len); 673 break; 674 case (0x02): /* configuration descriptor */ 675 len = min_t(unsigned int, 676 leni, 677 min_t(unsigned int, 678 sizeof(root_hub_config_des), 679 wLength)); 680 memcpy(buffer, root_hub_config_des, len); 681 break; 682 case (0x03): /* string descriptors */ 683 if (wValue == 0x0300) { 684 len = min_t(unsigned int, 685 leni, 686 min_t(unsigned int, 687 sizeof(root_hub_str_index0), 688 wLength)); 689 memcpy(buffer, root_hub_str_index0, len); 690 } 691 if (wValue == 0x0301) { 692 len = min_t(unsigned int, 693 leni, 694 min_t(unsigned int, 695 sizeof(root_hub_str_index1), 696 wLength)); 697 memcpy(buffer, root_hub_str_index1, len); 698 } 699 break; 700 default: 701 stat = USB_ST_STALLED; 702 } 703 break; 704 705 case RH_GET_DESCRIPTOR | RH_CLASS: 706 { 707 __u32 temp = 0x00000001; 708 709 data[0] = 9; /* min length; */ 710 data[1] = 0x29; 711 data[2] = temp & RH_A_NDP; 712 data[3] = 0; 713 if (temp & RH_A_PSM) 714 data[3] |= 0x1; 715 if (temp & RH_A_NOCP) 716 data[3] |= 0x10; 717 else if (temp & RH_A_OCPM) 718 data[3] |= 0x8; 719 720 /* corresponds to data[4-7] */ 721 data[5] = (temp & RH_A_POTPGT) >> 24; 722 data[7] = temp & RH_B_DR; 723 if (data[2] < 7) { 724 data[8] = 0xff; 725 } else { 726 data[0] += 2; 727 data[8] = (temp & RH_B_DR) >> 8; 728 data[10] = data[9] = 0xff; 729 } 730 731 len = min_t(unsigned int, leni, 732 min_t(unsigned int, data[0], wLength)); 733 memcpy(buffer, data, len); 734 break; 735 } 736 737 case RH_GET_CONFIGURATION: 738 *(__u8 *) buffer = 0x01; 739 len = 1; 740 break; 741 case RH_SET_CONFIGURATION: 742 break; 743 default: 744 R8A66597_DPRINT("unsupported root hub command"); 745 stat = USB_ST_STALLED; 746 } 747 748 mdelay(1); 749 750 len = min_t(int, len, leni); 751 752 dev->act_len = len; 753 dev->status = stat; 754 755 return stat; 756 } 757 758 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 759 int transfer_len) 760 { 761 struct r8a66597 *r8a66597 = &gr8a66597; 762 int ret = 0; 763 764 R8A66597_DPRINT("%s\n", __func__); 765 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n", 766 pipe, buffer, transfer_len, dev->devnum); 767 768 set_devadd(r8a66597, dev->devnum, dev, 0); 769 770 pipe_buffer_setting(r8a66597, dev, pipe); 771 772 dev->act_len = 0; 773 while (dev->act_len < transfer_len && ret == 0) { 774 if (ctrlc()) 775 return -1; 776 777 if (usb_pipein(pipe)) 778 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer, 779 transfer_len); 780 else 781 ret = send_bulk_packet(r8a66597, dev, pipe, buffer, 782 transfer_len); 783 } 784 785 if (ret == 0) 786 dev->status = 0; 787 788 return ret; 789 } 790 791 int submit_control_msg(struct usb_device *dev, unsigned long pipe, 792 void *buffer, int transfer_len, struct devrequest *setup) 793 { 794 struct r8a66597 *r8a66597 = &gr8a66597; 795 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ? 796 0 : dev->devnum; 797 798 R8A66597_DPRINT("%s\n", __func__); 799 if (usb_pipedevice(pipe) == r8a66597->rh_devnum) 800 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len, 801 setup); 802 803 R8A66597_DPRINT("%s: setup\n", __func__); 804 set_devadd(r8a66597, r8a66597_address, dev, 0); 805 806 if (send_setup_packet(r8a66597, dev, setup) < 0) { 807 printf("setup packet send error\n"); 808 return -1; 809 } 810 811 dev->act_len = 0; 812 if (usb_pipein(pipe)) 813 if (receive_control_packet(r8a66597, dev, buffer, 814 transfer_len) < 0) 815 return -1; 816 817 if (send_status_packet(r8a66597, pipe) < 0) 818 return -1; 819 820 dev->status = 0; 821 822 return 0; 823 } 824 825 int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 826 int transfer_len, int interval) 827 { 828 /* no implement */ 829 R8A66597_DPRINT("%s\n", __func__); 830 return 0; 831 } 832 833 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) 834 { 835 struct r8a66597 *r8a66597 = &gr8a66597; 836 837 R8A66597_DPRINT("%s\n", __func__); 838 839 memset(r8a66597, 0, sizeof(*r8a66597)); 840 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; 841 842 disable_controller(r8a66597); 843 mdelay(100); 844 845 enable_controller(r8a66597); 846 r8a66597_port_power(r8a66597, 0 , 1); 847 848 /* check usb device */ 849 check_usb_device_connecting(r8a66597); 850 851 mdelay(50); 852 853 return 0; 854 } 855 856 int usb_lowlevel_stop(int index) 857 { 858 disable_controller(&gr8a66597); 859 860 return 0; 861 } 862