1/* 2 * Freescale QUICC Engine USB Host Controller Driver 3 * 4 * Copyright (c) Freescale Semicondutor, Inc. 2006. 5 * Shlomi Gridish <gridish@freescale.com> 6 * Jerry Huang <Chang-Ming.Huang@freescale.com> 7 * Copyright (c) Logic Product Development, Inc. 2007 8 * Peter Barada <peterb@logicpd.com> 9 * Copyright (c) MontaVista Software, Inc. 2008. 10 * Anton Vorontsov <avorontsov@ru.mvista.com> 11 * 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License as published by the 14 * Free Software Foundation; either version 2 of the License, or (at your 15 * option) any later version. 16 */ 17 18#ifndef __FHCI_H 19#define __FHCI_H 20 21#include <linux/kernel.h> 22#include <linux/types.h> 23#include <linux/bug.h> 24#include <linux/spinlock.h> 25#include <linux/interrupt.h> 26#include <linux/kfifo.h> 27#include <linux/io.h> 28#include <linux/usb.h> 29#include <linux/usb/hcd.h> 30#include <asm/qe.h> 31 32#define USB_CLOCK 48000000 33 34#define FHCI_PRAM_SIZE 0x100 35 36#define MAX_EDS 32 37#define MAX_TDS 32 38 39 40/* CRC16 field size */ 41#define CRC_SIZE 2 42 43/* USB protocol overhead for each frame transmitted from the host */ 44#define PROTOCOL_OVERHEAD 7 45 46/* Packet structure, info field */ 47#define PKT_PID_DATA0 0x80000000 /* PID - Data toggle zero */ 48#define PKT_PID_DATA1 0x40000000 /* PID - Data toggle one */ 49#define PKT_PID_SETUP 0x20000000 /* PID - Setup bit */ 50#define PKT_SETUP_STATUS 0x10000000 /* Setup status bit */ 51#define PKT_SETADDR_STATUS 0x08000000 /* Set address status bit */ 52#define PKT_SET_HOST_LAST 0x04000000 /* Last data packet */ 53#define PKT_HOST_DATA 0x02000000 /* Data packet */ 54#define PKT_FIRST_IN_FRAME 0x01000000 /* First packet in the frame */ 55#define PKT_TOKEN_FRAME 0x00800000 /* Token packet */ 56#define PKT_ZLP 0x00400000 /* Zero length packet */ 57#define PKT_IN_TOKEN_FRAME 0x00200000 /* IN token packet */ 58#define PKT_OUT_TOKEN_FRAME 0x00100000 /* OUT token packet */ 59#define PKT_SETUP_TOKEN_FRAME 0x00080000 /* SETUP token packet */ 60#define PKT_STALL_FRAME 0x00040000 /* STALL packet */ 61#define PKT_NACK_FRAME 0x00020000 /* NACK packet */ 62#define PKT_NO_PID 0x00010000 /* No PID */ 63#define PKT_NO_CRC 0x00008000 /* don't append CRC */ 64#define PKT_HOST_COMMAND 0x00004000 /* Host command packet */ 65#define PKT_DUMMY_PACKET 0x00002000 /* Dummy packet, used for mmm */ 66#define PKT_LOW_SPEED_PACKET 0x00001000 /* Low-Speed packet */ 67 68#define TRANS_OK (0) 69#define TRANS_INPROGRESS (-1) 70#define TRANS_DISCARD (-2) 71#define TRANS_FAIL (-3) 72 73#define PS_INT 0 74#define PS_DISCONNECTED 1 75#define PS_CONNECTED 2 76#define PS_READY 3 77#define PS_MISSING 4 78 79/* Transfer Descriptor status field */ 80#define USB_TD_OK 0x00000000 /* TD transmited or received ok */ 81#define USB_TD_INPROGRESS 0x80000000 /* TD is being transmitted */ 82#define USB_TD_RX_ER_NONOCT 0x40000000 /* Tx Non Octet Aligned Packet */ 83#define USB_TD_RX_ER_BITSTUFF 0x20000000 /* Frame Aborted-Received pkt */ 84#define USB_TD_RX_ER_CRC 0x10000000 /* CRC error */ 85#define USB_TD_RX_ER_OVERUN 0x08000000 /* Over - run occured */ 86#define USB_TD_RX_ER_PID 0x04000000 /* wrong PID received */ 87#define USB_TD_RX_DATA_UNDERUN 0x02000000 /* shorter than expected */ 88#define USB_TD_RX_DATA_OVERUN 0x01000000 /* longer than expected */ 89#define USB_TD_TX_ER_NAK 0x00800000 /* NAK handshake */ 90#define USB_TD_TX_ER_STALL 0x00400000 /* STALL handshake */ 91#define USB_TD_TX_ER_TIMEOUT 0x00200000 /* transmit time out */ 92#define USB_TD_TX_ER_UNDERUN 0x00100000 /* transmit underrun */ 93 94#define USB_TD_ERROR (USB_TD_RX_ER_NONOCT | USB_TD_RX_ER_BITSTUFF | \ 95 USB_TD_RX_ER_CRC | USB_TD_RX_ER_OVERUN | USB_TD_RX_ER_PID | \ 96 USB_TD_RX_DATA_UNDERUN | USB_TD_RX_DATA_OVERUN | \ 97 USB_TD_TX_ER_NAK | USB_TD_TX_ER_STALL | \ 98 USB_TD_TX_ER_TIMEOUT | USB_TD_TX_ER_UNDERUN) 99 100/* Transfer Descriptor toggle field */ 101#define USB_TD_TOGGLE_DATA0 0 102#define USB_TD_TOGGLE_DATA1 1 103#define USB_TD_TOGGLE_CARRY 2 104 105/* #define MULTI_DATA_BUS */ 106 107/* Bus mode register RBMR/TBMR */ 108#define BUS_MODE_GBL 0x20 /* Global snooping */ 109#define BUS_MODE_BO 0x18 /* Byte ordering */ 110#define BUS_MODE_BO_BE 0x10 /* Byte ordering - Big-endian */ 111#define BUS_MODE_DTB 0x02 /* Data bus */ 112 113/* FHCI QE USB Register Description */ 114 115/* USB Mode Register bit define */ 116#define USB_MODE_EN 0x01 117#define USB_MODE_HOST 0x02 118#define USB_MODE_TEST 0x04 119#define USB_MODE_SFTE 0x08 120#define USB_MODE_RESUME 0x40 121#define USB_MODE_LSS 0x80 122 123/* USB Slave Address Register Mask */ 124#define USB_SLVADDR_MASK 0x7F 125 126/* USB Endpoint register define */ 127#define USB_EPNUM_MASK 0xF000 128#define USB_EPNUM_SHIFT 12 129 130#define USB_TRANS_MODE_SHIFT 8 131#define USB_TRANS_CTR 0x0000 132#define USB_TRANS_INT 0x0100 133#define USB_TRANS_BULK 0x0200 134#define USB_TRANS_ISO 0x0300 135 136#define USB_EP_MF 0x0020 137#define USB_EP_RTE 0x0010 138 139#define USB_THS_SHIFT 2 140#define USB_THS_MASK 0x000c 141#define USB_THS_NORMAL 0x0 142#define USB_THS_IGNORE_IN 0x0004 143#define USB_THS_NACK 0x0008 144#define USB_THS_STALL 0x000c 145 146#define USB_RHS_SHIFT 0 147#define USB_RHS_MASK 0x0003 148#define USB_RHS_NORMAL 0x0 149#define USB_RHS_IGNORE_OUT 0x0001 150#define USB_RHS_NACK 0x0002 151#define USB_RHS_STALL 0x0003 152 153#define USB_RTHS_MASK 0x000f 154 155/* USB Command Register define */ 156#define USB_CMD_STR_FIFO 0x80 157#define USB_CMD_FLUSH_FIFO 0x40 158#define USB_CMD_ISFT 0x20 159#define USB_CMD_DSFT 0x10 160#define USB_CMD_EP_MASK 0x03 161 162/* USB Event and Mask Register define */ 163#define USB_E_MSF_MASK 0x0800 164#define USB_E_SFT_MASK 0x0400 165#define USB_E_RESET_MASK 0x0200 166#define USB_E_IDLE_MASK 0x0100 167#define USB_E_TXE4_MASK 0x0080 168#define USB_E_TXE3_MASK 0x0040 169#define USB_E_TXE2_MASK 0x0020 170#define USB_E_TXE1_MASK 0x0010 171#define USB_E_SOF_MASK 0x0008 172#define USB_E_BSY_MASK 0x0004 173#define USB_E_TXB_MASK 0x0002 174#define USB_E_RXB_MASK 0x0001 175 176/* Freescale USB Host controller registers */ 177struct fhci_regs { 178 u8 usb_mod; /* mode register */ 179 u8 usb_addr; /* address register */ 180 u8 usb_comm; /* command register */ 181 u8 reserved1[1]; 182 __be16 usb_ep[4]; /* endpoint register */ 183 u8 reserved2[4]; 184 __be16 usb_event; /* event register */ 185 u8 reserved3[2]; 186 __be16 usb_mask; /* mask register */ 187 u8 reserved4[1]; 188 u8 usb_status; /* status register */ 189 __be16 usb_sof_tmr; /* Start Of Frame timer */ 190 u8 reserved5[2]; 191 __be16 usb_frame_num; /* frame number register */ 192 u8 reserved6[1]; 193}; 194 195/* Freescale USB HOST */ 196struct fhci_pram { 197 __be16 ep_ptr[4]; /* Endpoint porter reg */ 198 __be32 rx_state; /* Rx internal state */ 199 __be32 rx_ptr; /* Rx internal data pointer */ 200 __be16 frame_num; /* Frame number */ 201 __be16 rx_cnt; /* Rx byte count */ 202 __be32 rx_temp; /* Rx temp */ 203 __be32 rx_data_temp; /* Rx data temp */ 204 __be16 rx_u_ptr; /* Rx microcode return address temp */ 205 u8 reserved1[2]; /* reserved area */ 206 __be32 sof_tbl; /* SOF lookup table pointer */ 207 u8 sof_u_crc_temp; /* SOF micorcode CRC5 temp reg */ 208 u8 reserved2[0xdb]; 209}; 210 211/* Freescale USB Endpoint*/ 212struct fhci_ep_pram { 213 __be16 rx_base; /* Rx BD base address */ 214 __be16 tx_base; /* Tx BD base address */ 215 u8 rx_func_code; /* Rx function code */ 216 u8 tx_func_code; /* Tx function code */ 217 __be16 rx_buff_len; /* Rx buffer length */ 218 __be16 rx_bd_ptr; /* Rx BD pointer */ 219 __be16 tx_bd_ptr; /* Tx BD pointer */ 220 __be32 tx_state; /* Tx internal state */ 221 __be32 tx_ptr; /* Tx internal data pointer */ 222 __be16 tx_crc; /* temp transmit CRC */ 223 __be16 tx_cnt; /* Tx byte count */ 224 __be32 tx_temp; /* Tx temp */ 225 __be16 tx_u_ptr; /* Tx microcode return address temp */ 226 __be16 reserved; 227}; 228 229struct fhci_controller_list { 230 struct list_head ctrl_list; /* control endpoints */ 231 struct list_head bulk_list; /* bulk endpoints */ 232 struct list_head iso_list; /* isochronous endpoints */ 233 struct list_head intr_list; /* interruput endpoints */ 234 struct list_head done_list; /* done transfers */ 235}; 236 237struct virtual_root_hub { 238 int dev_num; /* USB address of the root hub */ 239 u32 feature; /* indicates what feature has been set */ 240 struct usb_hub_status hub; 241 struct usb_port_status port; 242}; 243 244enum fhci_gpios { 245 GPIO_USBOE = 0, 246 GPIO_USBTP, 247 GPIO_USBTN, 248 GPIO_USBRP, 249 GPIO_USBRN, 250 /* these are optional */ 251 GPIO_SPEED, 252 GPIO_POWER, 253 NUM_GPIOS, 254}; 255 256enum fhci_pins { 257 PIN_USBOE = 0, 258 PIN_USBTP, 259 PIN_USBTN, 260 NUM_PINS, 261}; 262 263struct fhci_hcd { 264 enum qe_clock fullspeed_clk; 265 enum qe_clock lowspeed_clk; 266 struct qe_pin *pins[NUM_PINS]; 267 int gpios[NUM_GPIOS]; 268 bool alow_gpios[NUM_GPIOS]; 269 270 struct fhci_regs __iomem *regs; /* I/O memory used to communicate */ 271 struct fhci_pram __iomem *pram; /* Parameter RAM */ 272 struct gtm_timer *timer; 273 274 spinlock_t lock; 275 struct fhci_usb *usb_lld; /* Low-level driver */ 276 struct virtual_root_hub *vroot_hub; /* the virtual root hub */ 277 int active_urbs; 278 struct fhci_controller_list *hc_list; 279 struct tasklet_struct *process_done_task; /* tasklet for done list */ 280 281 struct list_head empty_eds; 282 struct list_head empty_tds; 283 284#ifdef CONFIG_FHCI_DEBUG 285 int usb_irq_stat[13]; 286 struct dentry *dfs_root; 287 struct dentry *dfs_regs; 288 struct dentry *dfs_irq_stat; 289#endif 290}; 291 292#define USB_FRAME_USAGE 90 293#define FRAME_TIME_USAGE (USB_FRAME_USAGE*10) /* frame time usage */ 294#define SW_FIX_TIME_BETWEEN_TRANSACTION 150 /* SW */ 295#define MAX_BYTES_PER_FRAME (USB_FRAME_USAGE*15) 296#define MAX_PERIODIC_FRAME_USAGE 90 297 298/* transaction type */ 299enum fhci_ta_type { 300 FHCI_TA_IN = 0, /* input transaction */ 301 FHCI_TA_OUT, /* output transaction */ 302 FHCI_TA_SETUP, /* setup transaction */ 303}; 304 305/* transfer mode */ 306enum fhci_tf_mode { 307 FHCI_TF_CTRL = 0, 308 FHCI_TF_ISO, 309 FHCI_TF_BULK, 310 FHCI_TF_INTR, 311}; 312 313enum fhci_speed { 314 FHCI_FULL_SPEED, 315 FHCI_LOW_SPEED, 316}; 317 318/* endpoint state */ 319enum fhci_ed_state { 320 FHCI_ED_NEW = 0, /* pipe is new */ 321 FHCI_ED_OPER, /* pipe is operating */ 322 FHCI_ED_URB_DEL, /* pipe is in hold because urb is being deleted */ 323 FHCI_ED_SKIP, /* skip this pipe */ 324 FHCI_ED_HALTED, /* pipe is halted */ 325}; 326 327enum fhci_port_status { 328 FHCI_PORT_POWER_OFF = 0, 329 FHCI_PORT_DISABLED, 330 FHCI_PORT_DISCONNECTING, 331 FHCI_PORT_WAITING, /* waiting for connection */ 332 FHCI_PORT_FULL, /* full speed connected */ 333 FHCI_PORT_LOW, /* low speed connected */ 334}; 335 336enum fhci_mem_alloc { 337 MEM_CACHABLE_SYS = 0x00000001, /* primary DDR,cachable */ 338 MEM_NOCACHE_SYS = 0x00000004, /* primary DDR,non-cachable */ 339 MEM_SECONDARY = 0x00000002, /* either secondary DDR or SDRAM */ 340 MEM_PRAM = 0x00000008, /* multi-user RAM identifier */ 341}; 342 343/* USB default parameters*/ 344#define DEFAULT_RING_LEN 8 345#define DEFAULT_DATA_MEM MEM_CACHABLE_SYS 346 347struct ed { 348 u8 dev_addr; /* device address */ 349 u8 ep_addr; /* endpoint address */ 350 enum fhci_tf_mode mode; /* USB transfer mode */ 351 enum fhci_speed speed; 352 unsigned int max_pkt_size; 353 enum fhci_ed_state state; 354 struct list_head td_list; /* a list of all queued TD to this pipe */ 355 struct list_head node; 356 357 /* read only parameters, should be cleared upon initialization */ 358 u8 toggle_carry; /* toggle carry from the last TD submitted */ 359 u32 last_iso; /* time stamp of last queued ISO transfer */ 360 struct td *td_head; /* a pointer to the current TD handled */ 361}; 362 363struct td { 364 void *data; /* a pointer to the data buffer */ 365 unsigned int len; /* length of the data to be submitted */ 366 unsigned int actual_len; /* actual bytes transfered on this td */ 367 enum fhci_ta_type type; /* transaction type */ 368 u8 toggle; /* toggle for next trans. within this TD */ 369 u16 iso_index; /* ISO transaction index */ 370 u16 start_frame; /* start frame time stamp */ 371 u16 interval; /* interval between trans. (for ISO/Intr) */ 372 u32 status; /* status of the TD */ 373 struct ed *ed; /* a handle to the corresponding ED */ 374 struct urb *urb; /* a handle to the corresponding URB */ 375 bool ioc; /* Inform On Completion */ 376 struct list_head node; 377 378 /* read only parameters should be cleared upon initialization */ 379 struct packet *pkt; 380 int nak_cnt; 381 int error_cnt; 382 struct list_head frame_lh; 383}; 384 385struct packet { 386 u8 *data; /* packet data */ 387 u32 len; /* packet length */ 388 u32 status; /* status of the packet - equivalent to the status 389 * field for the corresponding structure td */ 390 u32 info; /* packet information */ 391 void __iomem *priv_data; /* private data of the driver (TDs or BDs) */ 392}; 393 394/* struct for each URB */ 395#define URB_INPROGRESS 0 396#define URB_DEL 1 397 398/* URB states (state field) */ 399#define US_BULK 0 400#define US_BULK0 1 401 402/* three setup states */ 403#define US_CTRL_SETUP 2 404#define US_CTRL_DATA 1 405#define US_CTRL_ACK 0 406 407#define EP_ZERO 0 408 409struct urb_priv { 410 int num_of_tds; 411 int tds_cnt; 412 int state; 413 414 struct td **tds; 415 struct ed *ed; 416 struct timer_list time_out; 417}; 418 419struct endpoint { 420 /* Pointer to ep parameter RAM */ 421 struct fhci_ep_pram __iomem *ep_pram_ptr; 422 423 /* Host transactions */ 424 struct usb_td __iomem *td_base; /* first TD in the ring */ 425 struct usb_td __iomem *conf_td; /* next TD for confirm after transac */ 426 struct usb_td __iomem *empty_td;/* next TD for new transaction req. */ 427 struct kfifo empty_frame_Q; /* Empty frames list to use */ 428 struct kfifo conf_frame_Q; /* frames passed to TDs,waiting for tx */ 429 struct kfifo dummy_packets_Q;/* dummy packets for the CRC overun */ 430 431 bool already_pushed_dummy_bd; 432}; 433 434/* struct for each 1mSec frame time */ 435#define FRAME_IS_TRANSMITTED 0x00 436#define FRAME_TIMER_END_TRANSMISSION 0x01 437#define FRAME_DATA_END_TRANSMISSION 0x02 438#define FRAME_END_TRANSMISSION 0x03 439#define FRAME_IS_PREPARED 0x04 440 441struct fhci_time_frame { 442 u16 frame_num; /* frame number */ 443 u16 total_bytes; /* total bytes submitted within this frame */ 444 u8 frame_status; /* flag that indicates to stop fill this frame */ 445 struct list_head tds_list; /* all tds of this frame */ 446}; 447 448/* internal driver structure*/ 449struct fhci_usb { 450 u16 saved_msk; /* saving of the USB mask register */ 451 struct endpoint *ep0; /* pointer for endpoint0 structure */ 452 int intr_nesting_cnt; /* interrupt nesting counter */ 453 u16 max_frame_usage; /* max frame time usage,in micro-sec */ 454 u16 max_bytes_per_frame; /* max byte can be tx in one time frame */ 455 u32 sw_transaction_time; /* sw complete trans time,in micro-sec */ 456 struct fhci_time_frame *actual_frame; 457 struct fhci_controller_list *hc_list; /* main structure for hc */ 458 struct virtual_root_hub *vroot_hub; 459 enum fhci_port_status port_status; /* v_rh port status */ 460 461 u32 (*transfer_confirm)(struct fhci_hcd *fhci); 462 463 struct fhci_hcd *fhci; 464}; 465 466/* 467 * Various helpers and prototypes below. 468 */ 469 470static inline u16 get_frame_num(struct fhci_hcd *fhci) 471{ 472 return in_be16(&fhci->pram->frame_num) & 0x07ff; 473} 474 475#define fhci_dbg(fhci, fmt, args...) \ 476 dev_dbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 477#define fhci_vdbg(fhci, fmt, args...) \ 478 dev_vdbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 479#define fhci_err(fhci, fmt, args...) \ 480 dev_err(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 481#define fhci_info(fhci, fmt, args...) \ 482 dev_info(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 483#define fhci_warn(fhci, fmt, args...) \ 484 dev_warn(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 485 486static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd) 487{ 488 return (struct fhci_hcd *)hcd->hcd_priv; 489} 490 491static inline struct usb_hcd *fhci_to_hcd(struct fhci_hcd *fhci) 492{ 493 return container_of((void *)fhci, struct usb_hcd, hcd_priv); 494} 495 496/* fifo of pointers */ 497static inline int cq_new(struct kfifo *fifo, int size) 498{ 499 return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL); 500} 501 502static inline void cq_delete(struct kfifo *kfifo) 503{ 504 kfifo_free(kfifo); 505} 506 507static inline unsigned int cq_howmany(struct kfifo *kfifo) 508{ 509 return kfifo_len(kfifo) / sizeof(void *); 510} 511 512static inline int cq_put(struct kfifo *kfifo, void *p) 513{ 514 return kfifo_in(kfifo, (void *)&p, sizeof(p)); 515} 516 517static inline void *cq_get(struct kfifo *kfifo) 518{ 519 unsigned int sz; 520 void *p; 521 522 sz = kfifo_out(kfifo, (void *)&p, sizeof(p)); 523 if (sz != sizeof(p)) 524 return NULL; 525 526 return p; 527} 528 529/* fhci-hcd.c */ 530void fhci_start_sof_timer(struct fhci_hcd *fhci); 531void fhci_stop_sof_timer(struct fhci_hcd *fhci); 532u16 fhci_get_sof_timer_count(struct fhci_usb *usb); 533void fhci_usb_enable_interrupt(struct fhci_usb *usb); 534void fhci_usb_disable_interrupt(struct fhci_usb *usb); 535int fhci_ioports_check_bus_state(struct fhci_hcd *fhci); 536 537/* fhci-mem.c */ 538void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td); 539void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed); 540struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci); 541struct td *fhci_td_fill(struct fhci_hcd *fhci, struct urb *urb, 542 struct urb_priv *urb_priv, struct ed *ed, u16 index, 543 enum fhci_ta_type type, int toggle, u8 *data, u32 len, 544 u16 interval, u16 start_frame, bool ioc); 545void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number); 546 547/* fhci-hub.c */ 548void fhci_config_transceiver(struct fhci_hcd *fhci, 549 enum fhci_port_status status); 550void fhci_port_disable(struct fhci_hcd *fhci); 551void fhci_port_enable(void *lld); 552void fhci_io_port_generate_reset(struct fhci_hcd *fhci); 553void fhci_port_reset(void *lld); 554int fhci_hub_status_data(struct usb_hcd *hcd, char *buf); 555int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, 556 u16 wIndex, char *buf, u16 wLength); 557 558/* fhci-tds.c */ 559void fhci_flush_bds(struct fhci_usb *usb); 560void fhci_flush_actual_frame(struct fhci_usb *usb); 561u32 fhci_host_transaction(struct fhci_usb *usb, struct packet *pkt, 562 enum fhci_ta_type trans_type, u8 dest_addr, 563 u8 dest_ep, enum fhci_tf_mode trans_mode, 564 enum fhci_speed dest_speed, u8 data_toggle); 565void fhci_host_transmit_actual_frame(struct fhci_usb *usb); 566void fhci_tx_conf_interrupt(struct fhci_usb *usb); 567void fhci_push_dummy_bd(struct endpoint *ep); 568u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem, 569 u32 ring_len); 570void fhci_init_ep_registers(struct fhci_usb *usb, 571 struct endpoint *ep, 572 enum fhci_mem_alloc data_mem); 573void fhci_ep0_free(struct fhci_usb *usb); 574 575/* fhci-sched.c */ 576extern struct tasklet_struct fhci_tasklet; 577void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt); 578void fhci_flush_all_transmissions(struct fhci_usb *usb); 579void fhci_schedule_transactions(struct fhci_usb *usb); 580void fhci_device_connected_interrupt(struct fhci_hcd *fhci); 581void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci); 582void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb); 583u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci); 584irqreturn_t fhci_irq(struct usb_hcd *hcd); 585irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd); 586 587/* fhci-q.h */ 588void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb); 589struct td *fhci_remove_td_from_ed(struct ed *ed); 590struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame); 591void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed); 592struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame); 593void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td); 594struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list); 595void fhci_done_td(struct urb *urb, struct td *td); 596void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed); 597 598#ifdef CONFIG_FHCI_DEBUG 599 600void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er); 601void fhci_dfs_destroy(struct fhci_hcd *fhci); 602void fhci_dfs_create(struct fhci_hcd *fhci); 603 604#else 605 606static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {} 607static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {} 608static inline void fhci_dfs_create(struct fhci_hcd *fhci) {} 609 610#endif /* CONFIG_FHCI_DEBUG */ 611 612#endif /* __FHCI_H */ 613