1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * R8A66597 HCD (Host Controller Driver) for u-boot 4 * 5 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro (at) renesas.com> 6 */ 7 8 #include <common.h> 9 #include <console.h> 10 #include <usb.h> 11 #include <asm/io.h> 12 #include <linux/iopoll.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 struct r8a66597 gr8a66597; 23 24 static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport) 25 { 26 int i; 27 28 *hub_devnum = 0; 29 *hubport = 0; 30 31 /* check a device connected to root_hub */ 32 if ((dev->parent && dev->parent->devnum == 1) || 33 (dev->devnum == 1)) 34 return; 35 36 for (i = 0; i < USB_MAXCHILDREN; i++) { 37 if (dev->parent->children[i] == dev) { 38 *hub_devnum = (u8)dev->parent->devnum; 39 *hubport = i; 40 return; 41 } 42 } 43 44 printf("get_hub_data error.\n"); 45 } 46 47 static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address, 48 struct usb_device *dev, int port) 49 { 50 u16 val, usbspd, upphub, hubport; 51 unsigned long devadd_reg = get_devadd_addr(r8a66597_address); 52 53 get_hub_data(dev, &upphub, &hubport); 54 usbspd = r8a66597->speed; 55 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001); 56 r8a66597_write(r8a66597, val, devadd_reg); 57 } 58 59 static int r8a66597_clock_enable(struct r8a66597 *r8a66597) 60 { 61 u16 tmp; 62 int i = 0; 63 64 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) 65 do { 66 r8a66597_write(r8a66597, SCKE, SYSCFG0); 67 tmp = r8a66597_read(r8a66597, SYSCFG0); 68 if (i++ > 1000) { 69 printf("register access fail.\n"); 70 return -1; 71 } 72 } while ((tmp & SCKE) != SCKE); 73 r8a66597_write(r8a66597, 0x04, 0x02); 74 #else 75 do { 76 r8a66597_write(r8a66597, USBE, SYSCFG0); 77 tmp = r8a66597_read(r8a66597, SYSCFG0); 78 if (i++ > 1000) { 79 printf("register access fail.\n"); 80 return -1; 81 } 82 } while ((tmp & USBE) != USBE); 83 r8a66597_bclr(r8a66597, USBE, SYSCFG0); 84 #if !defined(CONFIG_RZA_USB) 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 #else 98 /* 99 * RZ/A Only: 100 * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0 101 * and USB1, so we must always set the USB0 register 102 */ 103 #if (CONFIG_R8A66597_XTAL == 1) 104 setbits(le16, R8A66597_BASE0, XTAL); 105 #endif 106 mdelay(1); 107 setbits(le16, R8A66597_BASE0, UPLLE); 108 mdelay(1); 109 r8a66597_bset(r8a66597, SUSPM, SUSPMODE0); 110 #endif /* CONFIG_RZA_USB */ 111 #endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */ 112 113 return 0; 114 } 115 116 static void r8a66597_clock_disable(struct r8a66597 *r8a66597) 117 { 118 #if !defined(CONFIG_RZA_USB) 119 r8a66597_bclr(r8a66597, SCKE, SYSCFG0); 120 udelay(1); 121 #if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597) 122 r8a66597_bclr(r8a66597, PLLC, SYSCFG0); 123 r8a66597_bclr(r8a66597, XCKE, SYSCFG0); 124 r8a66597_bclr(r8a66597, USBE, SYSCFG0); 125 #endif 126 #else 127 r8a66597_bclr(r8a66597, SUSPM, SUSPMODE0); 128 129 clrbits(le16, R8A66597_BASE0, UPLLE); 130 mdelay(1); 131 r8a66597_bclr(r8a66597, USBE, SYSCFG0); 132 mdelay(1); 133 134 #endif 135 } 136 137 static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port) 138 { 139 u16 val; 140 141 val = port ? DRPD : DCFM | DRPD; 142 r8a66597_bset(r8a66597, val, get_syscfg_reg(port)); 143 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); 144 145 #if !defined(CONFIG_RZA_USB) 146 r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port)); 147 #endif 148 } 149 150 static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port) 151 { 152 u16 val, tmp; 153 154 r8a66597_write(r8a66597, 0, get_intenb_reg(port)); 155 r8a66597_write(r8a66597, 0, get_intsts_reg(port)); 156 157 r8a66597_port_power(r8a66597, port, 0); 158 159 do { 160 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS; 161 udelay(640); 162 } while (tmp == EDGESTS); 163 164 val = port ? DRPD : DCFM | DRPD; 165 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port)); 166 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); 167 } 168 169 static int enable_controller(struct r8a66597 *r8a66597) 170 { 171 int ret, port; 172 173 ret = r8a66597_clock_enable(r8a66597); 174 if (ret < 0) 175 return ret; 176 177 #if !defined(CONFIG_RZA_USB) 178 r8a66597_bset(r8a66597, CONFIG_R8A66597_LDRV & LDRV, PINCFG); 179 #endif 180 r8a66597_bset(r8a66597, USBE, SYSCFG0); 181 182 r8a66597_bset(r8a66597, INTL, SOFCFG); 183 r8a66597_write(r8a66597, 0, INTENB0); 184 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) 185 r8a66597_write(r8a66597, 0, get_intenb_reg(port)); 186 187 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, CFIFOSEL); 188 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D0FIFOSEL); 189 r8a66597_bset(r8a66597, CONFIG_R8A66597_ENDIAN & BIGEND, D1FIFOSEL); 190 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG); 191 192 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) 193 r8a66597_enable_port(r8a66597, port); 194 195 return 0; 196 } 197 198 static void disable_controller(struct r8a66597 *r8a66597) 199 { 200 int i; 201 202 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE)) 203 return; 204 205 r8a66597_write(r8a66597, 0, INTENB0); 206 r8a66597_write(r8a66597, 0, INTSTS0); 207 208 r8a66597_write(r8a66597, 0, D0FIFOSEL); 209 r8a66597_write(r8a66597, 0, D1FIFOSEL); 210 r8a66597_write(r8a66597, 0, DCPCFG); 211 r8a66597_write(r8a66597, 0x40, DCPMAXP); 212 r8a66597_write(r8a66597, 0, DCPCTR); 213 214 for (i = 0; i <= 10; i++) 215 r8a66597_write(r8a66597, 0, get_devadd_addr(i)); 216 for (i = 1; i <= 5; i++) { 217 r8a66597_write(r8a66597, 0, get_pipetre_addr(i)); 218 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i)); 219 } 220 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) { 221 r8a66597_write(r8a66597, 0, get_pipectr_addr(i)); 222 r8a66597_write(r8a66597, i, PIPESEL); 223 r8a66597_write(r8a66597, 0, PIPECFG); 224 r8a66597_write(r8a66597, 0, PIPEBUF); 225 r8a66597_write(r8a66597, 0, PIPEMAXP); 226 r8a66597_write(r8a66597, 0, PIPEPERI); 227 } 228 229 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++) 230 r8a66597_disable_port(r8a66597, i); 231 232 r8a66597_clock_disable(r8a66597); 233 } 234 235 static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg, 236 u16 mask, u16 loop) 237 { 238 u16 tmp; 239 int i = 0; 240 241 do { 242 tmp = r8a66597_read(r8a66597, reg); 243 if (i++ > 1000000) { 244 printf("register%lx, loop %x is timeout\n", reg, loop); 245 break; 246 } 247 } while ((tmp & mask) != loop); 248 } 249 250 static void pipe_buffer_setting(struct r8a66597 *r8a66597, 251 struct usb_device *dev, unsigned long pipe) 252 { 253 u16 val = 0; 254 u16 pipenum, bufnum, maxpacket; 255 256 if (usb_pipein(pipe)) { 257 pipenum = BULK_IN_PIPENUM; 258 bufnum = BULK_IN_BUFNUM; 259 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)]; 260 } else { 261 pipenum = BULK_OUT_PIPENUM; 262 bufnum = BULK_OUT_BUFNUM; 263 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)]; 264 } 265 266 if (r8a66597->pipe_config & (1 << pipenum)) 267 return; 268 r8a66597->pipe_config |= (1 << pipenum); 269 270 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum)); 271 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum)); 272 r8a66597_write(r8a66597, pipenum, PIPESEL); 273 274 /* FIXME: This driver support bulk transfer only. */ 275 if (!usb_pipein(pipe)) 276 val |= R8A66597_DIR; 277 else 278 val |= R8A66597_SHTNAK; 279 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe); 280 r8a66597_write(r8a66597, val, PIPECFG); 281 282 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF); 283 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) | 284 maxpacket, PIPEMAXP); 285 r8a66597_write(r8a66597, 0, PIPEPERI); 286 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum)); 287 } 288 289 static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev, 290 struct devrequest *setup) 291 { 292 int i; 293 unsigned short *p = (unsigned short *)setup; 294 unsigned long setup_addr = USBREQ; 295 u16 intsts1; 296 int timeout = 3000; 297 #if defined(CONFIG_RZA_USB) 298 u16 dcpctr; 299 #endif 300 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum; 301 302 r8a66597_write(r8a66597, make_devsel(devsel) | 303 (8 << dev->maxpacketsize), DCPMAXP); 304 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1); 305 306 #if defined(CONFIG_RZA_USB) 307 dcpctr = r8a66597_read(r8a66597, DCPCTR); 308 if ((dcpctr & PID) == PID_BUF) { 309 if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr, 310 dcpctr & BSTS, 1000) < 0) { 311 printf("DCPCTR BSTS timeout!\n"); 312 return -ETIMEDOUT; 313 } 314 } 315 #endif 316 317 for (i = 0; i < 4; i++) { 318 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr); 319 setup_addr += 2; 320 } 321 r8a66597_write(r8a66597, ~0x0001, BRDYSTS); 322 r8a66597_write(r8a66597, SUREQ, DCPCTR); 323 324 while (1) { 325 intsts1 = r8a66597_read(r8a66597, INTSTS1); 326 if (intsts1 & SACK) 327 break; 328 if (intsts1 & SIGN) { 329 printf("setup packet send error\n"); 330 return -1; 331 } 332 if (timeout-- < 0) { 333 printf("setup packet timeout\n"); 334 return -1; 335 } 336 udelay(500); 337 } 338 339 return 0; 340 } 341 342 static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev, 343 unsigned long pipe, void *buffer, int transfer_len) 344 { 345 u16 tmp, bufsize; 346 u16 *buf; 347 size_t size; 348 349 R8A66597_DPRINT("%s\n", __func__); 350 351 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM, 352 MBW | CURPIPE, CFIFOSEL); 353 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM); 354 tmp = r8a66597_read(r8a66597, CFIFOCTR); 355 if ((tmp & FRDY) == 0) { 356 printf("%s FRDY is not set (%x)\n", __func__, tmp); 357 return -1; 358 } 359 360 /* prepare parameters */ 361 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)]; 362 buf = (u16 *)(buffer + dev->act_len); 363 size = min((int)bufsize, transfer_len - dev->act_len); 364 365 /* write fifo */ 366 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS); 367 if (buffer) { 368 r8a66597_write_fifo(r8a66597, CFIFO, buf, size); 369 r8a66597_write(r8a66597, BVAL, CFIFOCTR); 370 } 371 372 /* update parameters */ 373 dev->act_len += size; 374 375 r8a66597_mdfy(r8a66597, PID_BUF, PID, 376 get_pipectr_addr(BULK_OUT_PIPENUM)); 377 378 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM))) 379 if (ctrlc()) 380 return -1; 381 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS); 382 383 if (dev->act_len >= transfer_len) 384 r8a66597_mdfy(r8a66597, PID_NAK, PID, 385 get_pipectr_addr(BULK_OUT_PIPENUM)); 386 387 return 0; 388 } 389 390 static int receive_bulk_packet(struct r8a66597 *r8a66597, 391 struct usb_device *dev, 392 unsigned long pipe, 393 void *buffer, int transfer_len) 394 { 395 u16 tmp; 396 u16 *buf; 397 const u16 pipenum = BULK_IN_PIPENUM; 398 int rcv_len; 399 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)]; 400 401 R8A66597_DPRINT("%s\n", __func__); 402 403 /* prepare */ 404 if (dev->act_len == 0) { 405 r8a66597_mdfy(r8a66597, PID_NAK, PID, 406 get_pipectr_addr(pipenum)); 407 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS); 408 409 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum)); 410 r8a66597_write(r8a66597, 411 (transfer_len + maxpacket - 1) / maxpacket, 412 get_pipetrn_addr(pipenum)); 413 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum)); 414 415 r8a66597_mdfy(r8a66597, PID_BUF, PID, 416 get_pipectr_addr(pipenum)); 417 } 418 419 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL); 420 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum); 421 422 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum))) 423 if (ctrlc()) 424 return -1; 425 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS); 426 427 tmp = r8a66597_read(r8a66597, CFIFOCTR); 428 if ((tmp & FRDY) == 0) { 429 printf("%s FRDY is not set. (%x)\n", __func__, tmp); 430 return -1; 431 } 432 433 buf = (u16 *)(buffer + dev->act_len); 434 rcv_len = tmp & DTLN; 435 dev->act_len += rcv_len; 436 437 if (buffer) { 438 if (rcv_len == 0) 439 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 440 else 441 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len); 442 } 443 444 return 0; 445 } 446 447 static int receive_control_packet(struct r8a66597 *r8a66597, 448 struct usb_device *dev, 449 void *buffer, int transfer_len) 450 { 451 u16 tmp; 452 int rcv_len; 453 454 /* FIXME: limit transfer size : 64byte or less */ 455 456 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); 457 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); 458 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 459 r8a66597_bset(r8a66597, SQSET, DCPCTR); 460 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 461 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR); 462 463 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001)) 464 if (ctrlc()) 465 return -1; 466 r8a66597_write(r8a66597, ~0x0001, BRDYSTS); 467 468 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL); 469 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 470 471 tmp = r8a66597_read(r8a66597, CFIFOCTR); 472 if ((tmp & FRDY) == 0) { 473 printf("%s FRDY is not set. (%x)\n", __func__, tmp); 474 return -1; 475 } 476 477 rcv_len = tmp & DTLN; 478 dev->act_len += rcv_len; 479 480 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR); 481 482 if (buffer) { 483 if (rcv_len == 0) 484 r8a66597_write(r8a66597, BCLR, DCPCTR); 485 else 486 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len); 487 } 488 489 return 0; 490 } 491 492 static int send_status_packet(struct r8a66597 *r8a66597, 493 unsigned long pipe) 494 { 495 r8a66597_bset(r8a66597, SQSET, DCPCTR); 496 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR); 497 498 if (usb_pipein(pipe)) { 499 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG); 500 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL); 501 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 502 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS); 503 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR); 504 } else { 505 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); 506 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); 507 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); 508 r8a66597_write(r8a66597, BCLR, CFIFOCTR); 509 } 510 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR); 511 512 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001)) 513 if (ctrlc()) 514 return -1; 515 516 return 0; 517 } 518 519 static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port) 520 { 521 int count = R8A66597_MAX_SAMPLING; 522 unsigned short syssts, old_syssts; 523 524 R8A66597_DPRINT("%s\n", __func__); 525 526 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST); 527 while (count > 0) { 528 mdelay(R8A66597_RH_POLL_TIME); 529 530 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST); 531 if (syssts == old_syssts) { 532 count--; 533 } else { 534 count = R8A66597_MAX_SAMPLING; 535 old_syssts = syssts; 536 } 537 } 538 } 539 540 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port) 541 { 542 mdelay(10); 543 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port)); 544 mdelay(50); 545 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port)); 546 mdelay(50); 547 } 548 549 static int check_usb_device_connecting(struct r8a66597 *r8a66597) 550 { 551 int timeout = 10000; /* 100usec * 10000 = 1sec */ 552 int i; 553 554 for (i = 0; i < 5; i++) { 555 /* check a usb cable connect */ 556 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) { 557 if (timeout-- < 0) { 558 printf("%s timeout.\n", __func__); 559 return -1; 560 } 561 udelay(100); 562 } 563 564 /* check a data line */ 565 r8a66597_check_syssts(r8a66597, 0); 566 567 r8a66597_bus_reset(r8a66597, 0); 568 r8a66597->speed = get_rh_usb_speed(r8a66597, 0); 569 570 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) { 571 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION; 572 r8a66597->port_status = USB_PORT_STAT_CONNECTION | 573 USB_PORT_STAT_ENABLE; 574 return 0; /* success */ 575 } 576 577 R8A66597_DPRINT("USB device has detached. retry = %d\n", i); 578 r8a66597_write(r8a66597, ~DTCH, INTSTS1); 579 } 580 581 return -1; /* fail */ 582 } 583 584 /*-------------------------------------------------------------------------* 585 * Virtual Root Hub 586 *-------------------------------------------------------------------------*/ 587 588 #include <usbroothubdes.h> 589 590 static int r8a66597_submit_rh_msg(struct usb_device *dev, unsigned long pipe, 591 void *buffer, int transfer_len, struct devrequest *cmd) 592 { 593 struct r8a66597 *r8a66597 = &gr8a66597; 594 int leni = transfer_len; 595 int len = 0; 596 int stat = 0; 597 __u16 bmRType_bReq; 598 __u16 wValue; 599 __u16 wLength; 600 unsigned char data[32]; 601 602 R8A66597_DPRINT("%s\n", __func__); 603 604 if (usb_pipeint(pipe)) { 605 printf("Root-Hub submit IRQ: NOT implemented"); 606 return 0; 607 } 608 609 bmRType_bReq = cmd->requesttype | (cmd->request << 8); 610 wValue = cpu_to_le16 (cmd->value); 611 wLength = cpu_to_le16 (cmd->length); 612 613 switch (bmRType_bReq) { 614 case RH_GET_STATUS: 615 *(__u16 *)buffer = cpu_to_le16(1); 616 len = 2; 617 break; 618 case RH_GET_STATUS | RH_INTERFACE: 619 *(__u16 *)buffer = cpu_to_le16(0); 620 len = 2; 621 break; 622 case RH_GET_STATUS | RH_ENDPOINT: 623 *(__u16 *)buffer = cpu_to_le16(0); 624 len = 2; 625 break; 626 case RH_GET_STATUS | RH_CLASS: 627 *(__u32 *)buffer = cpu_to_le32(0); 628 len = 4; 629 break; 630 case RH_GET_STATUS | RH_OTHER | RH_CLASS: 631 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status | 632 (r8a66597->port_change << 16)); 633 len = 4; 634 break; 635 case RH_CLEAR_FEATURE | RH_ENDPOINT: 636 case RH_CLEAR_FEATURE | RH_CLASS: 637 break; 638 639 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: 640 switch (wValue) { 641 case RH_C_PORT_CONNECTION: 642 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION; 643 break; 644 } 645 break; 646 647 case RH_SET_FEATURE | RH_OTHER | RH_CLASS: 648 switch (wValue) { 649 case (RH_PORT_SUSPEND): 650 break; 651 case (RH_PORT_RESET): 652 r8a66597_bus_reset(r8a66597, 0); 653 break; 654 case (RH_PORT_POWER): 655 break; 656 case (RH_PORT_ENABLE): 657 break; 658 } 659 break; 660 case RH_SET_ADDRESS: 661 gr8a66597.rh_devnum = wValue; 662 break; 663 case RH_GET_DESCRIPTOR: 664 switch ((wValue & 0xff00) >> 8) { 665 case (0x01): /* device descriptor */ 666 len = min_t(unsigned int, 667 leni, 668 min_t(unsigned int, 669 sizeof(root_hub_dev_des), 670 wLength)); 671 memcpy(buffer, root_hub_dev_des, len); 672 break; 673 case (0x02): /* configuration descriptor */ 674 len = min_t(unsigned int, 675 leni, 676 min_t(unsigned int, 677 sizeof(root_hub_config_des), 678 wLength)); 679 memcpy(buffer, root_hub_config_des, len); 680 break; 681 case (0x03): /* string descriptors */ 682 if (wValue == 0x0300) { 683 len = min_t(unsigned int, 684 leni, 685 min_t(unsigned int, 686 sizeof(root_hub_str_index0), 687 wLength)); 688 memcpy(buffer, root_hub_str_index0, len); 689 } 690 if (wValue == 0x0301) { 691 len = min_t(unsigned int, 692 leni, 693 min_t(unsigned int, 694 sizeof(root_hub_str_index1), 695 wLength)); 696 memcpy(buffer, root_hub_str_index1, len); 697 } 698 break; 699 default: 700 stat = USB_ST_STALLED; 701 } 702 break; 703 704 case RH_GET_DESCRIPTOR | RH_CLASS: 705 { 706 __u32 temp = 0x00000001; 707 708 data[0] = 9; /* min length; */ 709 data[1] = 0x29; 710 data[2] = temp & RH_A_NDP; 711 data[3] = 0; 712 if (temp & RH_A_PSM) 713 data[3] |= 0x1; 714 if (temp & RH_A_NOCP) 715 data[3] |= 0x10; 716 else if (temp & RH_A_OCPM) 717 data[3] |= 0x8; 718 719 /* corresponds to data[4-7] */ 720 data[5] = (temp & RH_A_POTPGT) >> 24; 721 data[7] = temp & RH_B_DR; 722 if (data[2] < 7) { 723 data[8] = 0xff; 724 } else { 725 data[0] += 2; 726 data[8] = (temp & RH_B_DR) >> 8; 727 data[10] = data[9] = 0xff; 728 } 729 730 len = min_t(unsigned int, leni, 731 min_t(unsigned int, data[0], wLength)); 732 memcpy(buffer, data, len); 733 break; 734 } 735 736 case RH_GET_CONFIGURATION: 737 *(__u8 *) buffer = 0x01; 738 len = 1; 739 break; 740 case RH_SET_CONFIGURATION: 741 break; 742 default: 743 R8A66597_DPRINT("unsupported root hub command"); 744 stat = USB_ST_STALLED; 745 } 746 747 mdelay(1); 748 749 len = min_t(int, len, leni); 750 751 dev->act_len = len; 752 dev->status = stat; 753 754 return stat; 755 } 756 757 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 758 int transfer_len) 759 { 760 struct r8a66597 *r8a66597 = &gr8a66597; 761 int ret = 0; 762 763 R8A66597_DPRINT("%s\n", __func__); 764 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n", 765 pipe, buffer, transfer_len, dev->devnum); 766 767 set_devadd(r8a66597, dev->devnum, dev, 0); 768 769 pipe_buffer_setting(r8a66597, dev, pipe); 770 771 dev->act_len = 0; 772 while (dev->act_len < transfer_len && ret == 0) { 773 if (ctrlc()) 774 return -1; 775 776 if (usb_pipein(pipe)) 777 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer, 778 transfer_len); 779 else 780 ret = send_bulk_packet(r8a66597, dev, pipe, buffer, 781 transfer_len); 782 } 783 784 if (ret == 0) 785 dev->status = 0; 786 787 return ret; 788 } 789 790 int submit_control_msg(struct usb_device *dev, unsigned long pipe, 791 void *buffer, int transfer_len, struct devrequest *setup) 792 { 793 struct r8a66597 *r8a66597 = &gr8a66597; 794 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ? 795 0 : dev->devnum; 796 797 R8A66597_DPRINT("%s\n", __func__); 798 if (usb_pipedevice(pipe) == r8a66597->rh_devnum) 799 return r8a66597_submit_rh_msg(dev, pipe, buffer, transfer_len, 800 setup); 801 802 R8A66597_DPRINT("%s: setup\n", __func__); 803 set_devadd(r8a66597, r8a66597_address, dev, 0); 804 805 if (send_setup_packet(r8a66597, dev, setup) < 0) { 806 printf("setup packet send error\n"); 807 return -1; 808 } 809 810 dev->act_len = 0; 811 if (usb_pipein(pipe)) 812 if (receive_control_packet(r8a66597, dev, buffer, 813 transfer_len) < 0) 814 return -1; 815 816 if (send_status_packet(r8a66597, pipe) < 0) 817 return -1; 818 819 dev->status = 0; 820 821 return 0; 822 } 823 824 int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, 825 int transfer_len, int interval) 826 { 827 /* no implement */ 828 R8A66597_DPRINT("%s\n", __func__); 829 return 0; 830 } 831 832 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller) 833 { 834 struct r8a66597 *r8a66597 = &gr8a66597; 835 836 R8A66597_DPRINT("%s\n", __func__); 837 838 memset(r8a66597, 0, sizeof(*r8a66597)); 839 r8a66597->reg = CONFIG_R8A66597_BASE_ADDR; 840 841 disable_controller(r8a66597); 842 mdelay(100); 843 844 enable_controller(r8a66597); 845 r8a66597_port_power(r8a66597, 0 , 1); 846 847 /* check usb device */ 848 check_usb_device_connecting(r8a66597); 849 850 mdelay(50); 851 852 return 0; 853 } 854 855 int usb_lowlevel_stop(int index) 856 { 857 disable_controller(&gr8a66597); 858 859 return 0; 860 } 861
