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 #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 int timeout2 = 10000; 301 #endif 302 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum; 303 304 r8a66597_write(r8a66597, make_devsel(devsel) | 305 (8 << dev->maxpacketsize), DCPMAXP); 306 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1); 307 308 #if defined(CONFIG_RZA_USB) 309 dcpctr = r8a66597_read(r8a66597, DCPCTR); 310 if ((dcpctr & PID) == PID_BUF) { 311 timeout2 = 10000; 312 while (!(dcpctr & BSTS)) { 313 dcpctr = r8a66597_read(r8a66597, DCPCTR); 314 if (timeout2-- < 0) { 315 printf("DCPCTR clear timeout!\n"); 316 break; 317 } 318 } 319 } 320 #endif 321 322 for (i = 0; i < 4; i++) { 323 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr); 324 setup_addr += 2; 325 } 326 r8a66597_write(r8a66597, ~0x0001, BRDYSTS); 327 r8a66597_write(r8a66597, SUREQ, DCPCTR); 328 329 while (1) { 330 intsts1 = r8a66597_read(r8a66597, INTSTS1); 331 if (intsts1 & SACK) 332 break; 333 if (intsts1 & SIGN) { 334 printf("setup packet send error\n"); 335 return -1; 336 } 337 if (timeout-- < 0) { 338 printf("setup packet timeout\n"); 339 return -1; 340 } 341 udelay(500); 342 } 343 344 return 0; 345 } 346 347 static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev, 348 unsigned long pipe, void *buffer, int transfer_len) 349 { 350 u16 tmp, bufsize; 351 u16 *buf; 352 size_t size; 353 354 R8A66597_DPRINT("%s\n", __func__); 355 356 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM, 357 MBW | CURPIPE, CFIFOSEL); 358 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM); 359 tmp = r8a66597_read(r8a66597, CFIFOCTR); 360 if ((tmp & FRDY) == 0) { 361 printf("%s FRDY is not set (%x)\n", __func__, tmp); 362 return -1; 363 } 364 365 /* prepare parameters */ 366 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)]; 367 buf = (u16 *)(buffer + dev->act_len); 368 size = min((int)bufsize, transfer_len - dev->act_len); 369 370 /* write fifo */ 371 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS); 372 if (buffer) { 373 r8a66597_write_fifo(r8a66597, CFIFO, buf, size); 374 r8a66597_write(r8a66597, BVAL, CFIFOCTR); 375 } 376 377 /* update parameters */ 378 dev->act_len += size; 379 380 r8a66597_mdfy(r8a66597, PID_BUF, PID, 381 get_pipectr_addr(BULK_OUT_PIPENUM)); 382 383 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM))) 384 if (ctrlc()) 385 return -1; 386 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS); 387 388 if (dev->act_len >= transfer_len) 389 r8a66597_mdfy(r8a66597, PID_NAK, PID, 390 get_pipectr_addr(BULK_OUT_PIPENUM)); 391 392 return 0; 393 } 394 395 static int receive_bulk_packet(struct r8a66597 *r8a66597, 396 struct usb_device *dev, 397 unsigned long pipe, 398 void *buffer, int transfer_len) 399 { 400 u16 tmp; 401 u16 *buf; 402 const u16 pipenum = BULK_IN_PIPENUM; 403 int rcv_len; 404 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)]; 405 406 R8A66597_DPRINT("%s\n", __func__); 407 408 /* prepare */ 409 if (dev->act_len == 0) { 410 r8a66597_mdfy(r8a66597, PID_NAK, PID, 411 get_pipectr_addr(pipenum)); 412 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS); 413 414 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum)); 415 r8a66597_write(r8a66597, 416 (transfer_len + maxpacket - 1) / maxpacket, 417 get_pipetrn_addr(pipenum)); 418 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum)); 419 420 r8a66597_mdfy(r8a66597, PID_BUF, PID, 421 get_pipectr_addr(pipenum)); 422 } 423 424 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL); 425 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum); 426 427 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum))) 428 if (ctrlc()) 429 return -1; 430 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS); 431 432 tmp = r8a66597_read(r8a66597, CFIFOCTR); 433 if ((tmp & FRDY) == 0) { 434 printf("%s FRDY is not set. (%x)\n", __func__, tmp); 435 return -1; 436 } 437 438 buf = (u16 *)(buffer + dev->act_len); 439 rcv_len = tmp & DTLN; 440 dev->act_len += rcv_len; 441 442 if (buffer) { 443 if (rcv_len == 0) 444 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 445 else 446 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len); 447 } 448 449 return 0; 450 } 451 452 static int receive_control_packet(struct r8a66597 *r8a66597, 453 struct usb_device *dev, 454 void *buffer, int transfer_len) 455 { 456 u16 tmp; 457 int rcv_len; 458 459 /* FIXME: limit transfer size : 64byte or less */ 460 461 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); 462 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); 463 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 464 r8a66597_bset(r8a66597, SQSET, DCPCTR); 465 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 466 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR); 467 468 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001)) 469 if (ctrlc()) 470 return -1; 471 r8a66597_write(r8a66597, ~0x0001, BRDYSTS); 472 473 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL); 474 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 475 476 tmp = r8a66597_read(r8a66597, CFIFOCTR); 477 if ((tmp & FRDY) == 0) { 478 printf("%s FRDY is not set. (%x)\n", __func__, tmp); 479 return -1; 480 } 481 482 rcv_len = tmp & DTLN; 483 dev->act_len += rcv_len; 484 485 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR); 486 487 if (buffer) { 488 if (rcv_len == 0) 489 r8a66597_write(r8a66597, BCLR, DCPCTR); 490 else 491 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len); 492 } 493 494 return 0; 495 } 496 497 static int send_status_packet(struct r8a66597 *r8a66597, 498 unsigned long pipe) 499 { 500 r8a66597_bset(r8a66597, SQSET, DCPCTR); 501 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR); 502 503 if (usb_pipein(pipe)) { 504 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG); 505 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL); 506 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 507 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS); 508 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR); 509 } else { 510 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); 511 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); 512 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 513 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 514 } 515 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR); 516 517 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001)) 518 if (ctrlc()) 519 return -1; 520 521 return 0; 522 } 523 524 static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port) 525 { 526 int count = R8A66597_MAX_SAMPLING; 527 unsigned short syssts, old_syssts; 528 529 R8A66597_DPRINT("%s\n", __func__); 530 531 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST); 532 while (count > 0) { 533 mdelay(R8A66597_RH_POLL_TIME); 534 535 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST); 536 if (syssts == old_syssts) { 537 count--; 538 } else { 539 count = R8A66597_MAX_SAMPLING; 540 old_syssts = syssts; 541 } 542 } 543 } 544 545 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port) 546 { 547 mdelay(10); 548 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port)); 549 mdelay(50); 550 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port)); 551 mdelay(50); 552 } 553 554 static int check_usb_device_connecting(struct r8a66597 *r8a66597) 555 { 556 int timeout = 10000; /* 100usec * 10000 = 1sec */ 557 int i; 558 559 for (i = 0; i < 5; i++) { 560 /* check a usb cable connect */ 561 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) { 562 if (timeout-- < 0) { 563 printf("%s timeout.\n", __func__); 564 return -1; 565 } 566 udelay(100); 567 } 568 569 /* check a data line */ 570 r8a66597_check_syssts(r8a66597, 0); 571 572 r8a66597_bus_reset(r8a66597, 0); 573 r8a66597->speed = get_rh_usb_speed(r8a66597, 0); 574 575 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) { 576 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION; 577 r8a66597->port_status = USB_PORT_STAT_CONNECTION | 578 USB_PORT_STAT_ENABLE; 579 return 0; /* success */ 580 } 581 582 R8A66597_DPRINT("USB device has detached. retry = %d\n", i); 583 r8a66597_write(r8a66597, ~DTCH, INTSTS1); 584 } 585 586 return -1; /* fail */ 587 } 588 589 /*-------------------------------------------------------------------------* 590 * Virtual Root Hub 591 *-------------------------------------------------------------------------*/ 592 593 #include <usbroothubdes.h> 594 595 static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe, 596 void *buffer, int transfer_len, struct devrequest *cmd) 597 { 598 struct r8a66597 *r8a66597 = &gr8a66597; 599 int leni = transfer_len; 600 int len = 0; 601 int stat = 0; 602 __u16 bmRType_bReq; 603 __u16 wValue; 604 __u16 wLength; 605 unsigned char data[32]; 606 607 R8A66597_DPRINT("%s\n", __func__); 608 609 if (usb_pipeint(pipe)) { 610 printf("Root-Hub submit IRQ: NOT implemented"); 611 return 0; 612 } 613 614 bmRType_bReq = cmd->requesttype | (cmd->request << 8); 615 wValue = cpu_to_le16 (cmd->value); 616 wLength = cpu_to_le16 (cmd->length); 617 618 switch (bmRType_bReq) { 619 case RH_GET_STATUS: 620 *(__u16 *)buffer = cpu_to_le16(1); 621 len = 2; 622 break; 623 case RH_GET_STATUS | RH_INTERFACE: 624 *(__u16 *)buffer = cpu_to_le16(0); 625 len = 2; 626 break; 627 case RH_GET_STATUS | RH_ENDPOINT: 628 *(__u16 *)buffer = cpu_to_le16(0); 629 len = 2; 630 break; 631 case RH_GET_STATUS | RH_CLASS: 632 *(__u32 *)buffer = cpu_to_le32(0); 633 len = 4; 634 break; 635 case RH_GET_STATUS | RH_OTHER | RH_CLASS: 636 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status | 637 (r8a66597->port_change << 16)); 638 len = 4; 639 break; 640 case RH_CLEAR_FEATURE | RH_ENDPOINT: 641 case RH_CLEAR_FEATURE | RH_CLASS: 642 break; 643 644 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: 645 switch (wValue) { 646 case RH_C_PORT_CONNECTION: 647 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION; 648 break; 649 } 650 break; 651 652 case RH_SET_FEATURE | RH_OTHER | RH_CLASS: 653 switch (wValue) { 654 case (RH_PORT_SUSPEND): 655 break; 656 case (RH_PORT_RESET): 657 r8a66597_bus_reset(r8a66597, 0); 658 break; 659 case (RH_PORT_POWER): 660 break; 661 case (RH_PORT_ENABLE): 662 break; 663 } 664 break; 665 case RH_SET_ADDRESS: 666 gr8a66597.rh_devnum = wValue; 667 break; 668 case RH_GET_DESCRIPTOR: 669 switch ((wValue & 0xff00) >> 8) { 670 case (0x01): /* device descriptor */ 671 len = min_t(unsigned int, 672 leni, 673 min_t(unsigned int, 674 sizeof(root_hub_dev_des), 675 wLength)); 676 memcpy(buffer, root_hub_dev_des, len); 677 break; 678 case (0x02): /* configuration descriptor */ 679 len = min_t(unsigned int, 680 leni, 681 min_t(unsigned int, 682 sizeof(root_hub_config_des), 683 wLength)); 684 memcpy(buffer, root_hub_config_des, len); 685 break; 686 case (0x03): /* string descriptors */ 687 if (wValue == 0x0300) { 688 len = min_t(unsigned int, 689 leni, 690 min_t(unsigned int, 691 sizeof(root_hub_str_index0), 692 wLength)); 693 memcpy(buffer, root_hub_str_index0, len); 694 } 695 if (wValue == 0x0301) { 696 len = min_t(unsigned int, 697 leni, 698 min_t(unsigned int, 699 sizeof(root_hub_str_index1), 700 wLength)); 701 memcpy(buffer, root_hub_str_index1, len); 702 } 703 break; 704 default: 705 stat = USB_ST_STALLED; 706 } 707 break; 708 709 case RH_GET_DESCRIPTOR | RH_CLASS: 710 { 711 __u32 temp = 0x00000001; 712 713 data[0] = 9; /* min length; */ 714 data[1] = 0x29; 715 data[2] = temp & RH_A_NDP; 716 data[3] = 0; 717 if (temp & RH_A_PSM) 718 data[3] |= 0x1; 719 if (temp & RH_A_NOCP) 720 data[3] |= 0x10; 721 else if (temp & RH_A_OCPM) 722 data[3] |= 0x8; 723 724 /* corresponds to data[4-7] */ 725 data[5] = (temp & RH_A_POTPGT) >> 24; 726 data[7] = temp & RH_B_DR; 727 if (data[2] < 7) { 728 data[8] = 0xff; 729 } else { 730 data[0] += 2; 731 data[8] = (temp & RH_B_DR) >> 8; 732 data[10] = data[9] = 0xff; 733 } 734 735 len = min_t(unsigned int, leni, 736 min_t(unsigned int, data[0], wLength)); 737 memcpy(buffer, data, len); 738 break; 739 } 740 741 case RH_GET_CONFIGURATION: 742 *(__u8 *) buffer = 0x01; 743 len = 1; 744 break; 745 case RH_SET_CONFIGURATION: 746 break; 747 default: 748 R8A66597_DPRINT("unsupported root hub command"); 749 stat = USB_ST_STALLED; 750 } 751 752 mdelay(1); 753 754 len = min_t(int, len, leni); 755 756 dev->act_len = len; 757 dev->status = stat; 758 759 return stat; 760 } 761 762 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 763 int transfer_len) 764 { 765 struct r8a66597 *r8a66597 = &gr8a66597; 766 int ret = 0; 767 768 R8A66597_DPRINT("%s\n", __func__); 769 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n", 770 pipe, buffer, transfer_len, dev->devnum); 771 772 set_devadd(r8a66597, dev->devnum, dev, 0); 773 774 pipe_buffer_setting(r8a66597, dev, pipe); 775 776 dev->act_len = 0; 777 while (dev->act_len < transfer_len && ret == 0) { 778 if (ctrlc()) 779 return -1; 780 781 if (usb_pipein(pipe)) 782 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer, 783 transfer_len); 784 else 785 ret = send_bulk_packet(r8a66597, dev, pipe, buffer, 786 transfer_len); 787 } 788 789 if (ret == 0) 790 dev->status = 0; 791 792 return ret; 793 } 794 795 int submit_control_msg(struct usb_device *dev, unsigned long pipe, 796 void *buffer, int transfer_len, struct devrequest *setup) 797 { 798 struct r8a66597 *r8a66597 = &gr8a66597; 799 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ? 800 0 : dev->devnum; 801 802 R8A66597_DPRINT("%s\n", __func__); 803 if (usb_pipedevice(pipe) == r8a66597->rh_devnum) 804 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len, 805 setup); 806 807 R8A66597_DPRINT("%s: setup\n", __func__); 808 set_devadd(r8a66597, r8a66597_address, dev, 0); 809 810 if (send_setup_packet(r8a66597, dev, setup) < 0) { 811 printf("setup packet send error\n"); 812 return -1; 813 } 814 815 dev->act_len = 0; 816 if (usb_pipein(pipe)) 817 if (receive_control_packet(r8a66597, dev, buffer, 818 transfer_len) < 0) 819 return -1; 820 821 if (send_status_packet(r8a66597, pipe) < 0) 822 return -1; 823 824 dev->status = 0; 825 826 return 0; 827 } 828 829 int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 830 int transfer_len, int interval) 831 { 832 /* no implement */ 833 R8A66597_DPRINT("%s\n", __func__); 834 return 0; 835 } 836 837 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) 838 { 839 struct r8a66597 *r8a66597 = &gr8a66597; 840 841 R8A66597_DPRINT("%s\n", __func__); 842 843 memset(r8a66597, 0, sizeof(*r8a66597)); 844 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; 845 846 disable_controller(r8a66597); 847 mdelay(100); 848 849 enable_controller(r8a66597); 850 r8a66597_port_power(r8a66597, 0 , 1); 851 852 /* check usb device */ 853 check_usb_device_connecting(r8a66597); 854 855 mdelay(50); 856 857 return 0; 858 } 859 860 int usb_lowlevel_stop(int index) 861 { 862 disable_controller(&gr8a66597); 863 864 return 0; 865 } 866