fhci.h revision 27729aadd31dafddaaf64c24f8ef6d0ff750f3aa
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/spinlock.h> 24#include <linux/interrupt.h> 25#include <linux/kfifo.h> 26#include <linux/io.h> 27#include <linux/usb.h> 28#include <linux/usb/hcd.h> 29#include <asm/qe.h> 30 31#define USB_CLOCK 48000000 32 33#define FHCI_PRAM_SIZE 0x100 34 35#define MAX_EDS 32 36#define MAX_TDS 32 37 38 39/* CRC16 field size */ 40#define CRC_SIZE 2 41 42/* USB protocol overhead for each frame transmitted from the host */ 43#define PROTOCOL_OVERHEAD 7 44 45/* Packet structure, info field */ 46#define PKT_PID_DATA0 0x80000000 /* PID - Data toggle zero */ 47#define PKT_PID_DATA1 0x40000000 /* PID - Data toggle one */ 48#define PKT_PID_SETUP 0x20000000 /* PID - Setup bit */ 49#define PKT_SETUP_STATUS 0x10000000 /* Setup status bit */ 50#define PKT_SETADDR_STATUS 0x08000000 /* Set address status bit */ 51#define PKT_SET_HOST_LAST 0x04000000 /* Last data packet */ 52#define PKT_HOST_DATA 0x02000000 /* Data packet */ 53#define PKT_FIRST_IN_FRAME 0x01000000 /* First packet in the frame */ 54#define PKT_TOKEN_FRAME 0x00800000 /* Token packet */ 55#define PKT_ZLP 0x00400000 /* Zero length packet */ 56#define PKT_IN_TOKEN_FRAME 0x00200000 /* IN token packet */ 57#define PKT_OUT_TOKEN_FRAME 0x00100000 /* OUT token packet */ 58#define PKT_SETUP_TOKEN_FRAME 0x00080000 /* SETUP token packet */ 59#define PKT_STALL_FRAME 0x00040000 /* STALL packet */ 60#define PKT_NACK_FRAME 0x00020000 /* NACK packet */ 61#define PKT_NO_PID 0x00010000 /* No PID */ 62#define PKT_NO_CRC 0x00008000 /* don't append CRC */ 63#define PKT_HOST_COMMAND 0x00004000 /* Host command packet */ 64#define PKT_DUMMY_PACKET 0x00002000 /* Dummy packet, used for mmm */ 65#define PKT_LOW_SPEED_PACKET 0x00001000 /* Low-Speed packet */ 66 67#define TRANS_OK (0) 68#define TRANS_INPROGRESS (-1) 69#define TRANS_DISCARD (-2) 70#define TRANS_FAIL (-3) 71 72#define PS_INT 0 73#define PS_DISCONNECTED 1 74#define PS_CONNECTED 2 75#define PS_READY 3 76#define PS_MISSING 4 77 78/* Transfer Descriptor status field */ 79#define USB_TD_OK 0x00000000 /* TD transmited or received ok */ 80#define USB_TD_INPROGRESS 0x80000000 /* TD is being transmitted */ 81#define USB_TD_RX_ER_NONOCT 0x40000000 /* Tx Non Octet Aligned Packet */ 82#define USB_TD_RX_ER_BITSTUFF 0x20000000 /* Frame Aborted-Received pkt */ 83#define USB_TD_RX_ER_CRC 0x10000000 /* CRC error */ 84#define USB_TD_RX_ER_OVERUN 0x08000000 /* Over - run occured */ 85#define USB_TD_RX_ER_PID 0x04000000 /* wrong PID received */ 86#define USB_TD_RX_DATA_UNDERUN 0x02000000 /* shorter than expected */ 87#define USB_TD_RX_DATA_OVERUN 0x01000000 /* longer than expected */ 88#define USB_TD_TX_ER_NAK 0x00800000 /* NAK handshake */ 89#define USB_TD_TX_ER_STALL 0x00400000 /* STALL handshake */ 90#define USB_TD_TX_ER_TIMEOUT 0x00200000 /* transmit time out */ 91#define USB_TD_TX_ER_UNDERUN 0x00100000 /* transmit underrun */ 92 93#define USB_TD_ERROR (USB_TD_RX_ER_NONOCT | USB_TD_RX_ER_BITSTUFF | \ 94 USB_TD_RX_ER_CRC | USB_TD_RX_ER_OVERUN | USB_TD_RX_ER_PID | \ 95 USB_TD_RX_DATA_UNDERUN | USB_TD_RX_DATA_OVERUN | \ 96 USB_TD_TX_ER_NAK | USB_TD_TX_ER_STALL | \ 97 USB_TD_TX_ER_TIMEOUT | USB_TD_TX_ER_UNDERUN) 98 99/* Transfer Descriptor toggle field */ 100#define USB_TD_TOGGLE_DATA0 0 101#define USB_TD_TOGGLE_DATA1 1 102#define USB_TD_TOGGLE_CARRY 2 103 104/* #define MULTI_DATA_BUS */ 105 106/* Bus mode register RBMR/TBMR */ 107#define BUS_MODE_GBL 0x20 /* Global snooping */ 108#define BUS_MODE_BO 0x18 /* Byte ordering */ 109#define BUS_MODE_BO_BE 0x10 /* Byte ordering - Big-endian */ 110#define BUS_MODE_DTB 0x02 /* Data bus */ 111 112/* FHCI QE USB Register Description */ 113 114/* USB Mode Register bit define */ 115#define USB_MODE_EN 0x01 116#define USB_MODE_HOST 0x02 117#define USB_MODE_TEST 0x04 118#define USB_MODE_SFTE 0x08 119#define USB_MODE_RESUME 0x40 120#define USB_MODE_LSS 0x80 121 122/* USB Slave Address Register Mask */ 123#define USB_SLVADDR_MASK 0x7F 124 125/* USB Endpoint register define */ 126#define USB_EPNUM_MASK 0xF000 127#define USB_EPNUM_SHIFT 12 128 129#define USB_TRANS_MODE_SHIFT 8 130#define USB_TRANS_CTR 0x0000 131#define USB_TRANS_INT 0x0100 132#define USB_TRANS_BULK 0x0200 133#define USB_TRANS_ISO 0x0300 134 135#define USB_EP_MF 0x0020 136#define USB_EP_RTE 0x0010 137 138#define USB_THS_SHIFT 2 139#define USB_THS_MASK 0x000c 140#define USB_THS_NORMAL 0x0 141#define USB_THS_IGNORE_IN 0x0004 142#define USB_THS_NACK 0x0008 143#define USB_THS_STALL 0x000c 144 145#define USB_RHS_SHIFT 0 146#define USB_RHS_MASK 0x0003 147#define USB_RHS_NORMAL 0x0 148#define USB_RHS_IGNORE_OUT 0x0001 149#define USB_RHS_NACK 0x0002 150#define USB_RHS_STALL 0x0003 151 152#define USB_RTHS_MASK 0x000f 153 154/* USB Command Register define */ 155#define USB_CMD_STR_FIFO 0x80 156#define USB_CMD_FLUSH_FIFO 0x40 157#define USB_CMD_ISFT 0x20 158#define USB_CMD_DSFT 0x10 159#define USB_CMD_EP_MASK 0x03 160 161/* USB Event and Mask Register define */ 162#define USB_E_MSF_MASK 0x0800 163#define USB_E_SFT_MASK 0x0400 164#define USB_E_RESET_MASK 0x0200 165#define USB_E_IDLE_MASK 0x0100 166#define USB_E_TXE4_MASK 0x0080 167#define USB_E_TXE3_MASK 0x0040 168#define USB_E_TXE2_MASK 0x0020 169#define USB_E_TXE1_MASK 0x0010 170#define USB_E_SOF_MASK 0x0008 171#define USB_E_BSY_MASK 0x0004 172#define USB_E_TXB_MASK 0x0002 173#define USB_E_RXB_MASK 0x0001 174 175/* Freescale USB Host controller registers */ 176struct fhci_regs { 177 u8 usb_mod; /* mode register */ 178 u8 usb_addr; /* address register */ 179 u8 usb_comm; /* command register */ 180 u8 reserved1[1]; 181 __be16 usb_ep[4]; /* endpoint register */ 182 u8 reserved2[4]; 183 __be16 usb_event; /* event register */ 184 u8 reserved3[2]; 185 __be16 usb_mask; /* mask register */ 186 u8 reserved4[1]; 187 u8 usb_status; /* status register */ 188 __be16 usb_sof_tmr; /* Start Of Frame timer */ 189 u8 reserved5[2]; 190 __be16 usb_frame_num; /* frame number register */ 191 u8 reserved6[1]; 192}; 193 194/* Freescale USB HOST */ 195struct fhci_pram { 196 __be16 ep_ptr[4]; /* Endpoint porter reg */ 197 __be32 rx_state; /* Rx internal state */ 198 __be32 rx_ptr; /* Rx internal data pointer */ 199 __be16 frame_num; /* Frame number */ 200 __be16 rx_cnt; /* Rx byte count */ 201 __be32 rx_temp; /* Rx temp */ 202 __be32 rx_data_temp; /* Rx data temp */ 203 __be16 rx_u_ptr; /* Rx microcode return address temp */ 204 u8 reserved1[2]; /* reserved area */ 205 __be32 sof_tbl; /* SOF lookup table pointer */ 206 u8 sof_u_crc_temp; /* SOF micorcode CRC5 temp reg */ 207 u8 reserved2[0xdb]; 208}; 209 210/* Freescale USB Endpoint*/ 211struct fhci_ep_pram { 212 __be16 rx_base; /* Rx BD base address */ 213 __be16 tx_base; /* Tx BD base address */ 214 u8 rx_func_code; /* Rx function code */ 215 u8 tx_func_code; /* Tx function code */ 216 __be16 rx_buff_len; /* Rx buffer length */ 217 __be16 rx_bd_ptr; /* Rx BD pointer */ 218 __be16 tx_bd_ptr; /* Tx BD pointer */ 219 __be32 tx_state; /* Tx internal state */ 220 __be32 tx_ptr; /* Tx internal data pointer */ 221 __be16 tx_crc; /* temp transmit CRC */ 222 __be16 tx_cnt; /* Tx byte count */ 223 __be32 tx_temp; /* Tx temp */ 224 __be16 tx_u_ptr; /* Tx microcode return address temp */ 225 __be16 reserved; 226}; 227 228struct fhci_controller_list { 229 struct list_head ctrl_list; /* control endpoints */ 230 struct list_head bulk_list; /* bulk endpoints */ 231 struct list_head iso_list; /* isochronous endpoints */ 232 struct list_head intr_list; /* interruput endpoints */ 233 struct list_head done_list; /* done transfers */ 234}; 235 236struct virtual_root_hub { 237 int dev_num; /* USB address of the root hub */ 238 u32 feature; /* indicates what feature has been set */ 239 struct usb_hub_status hub; 240 struct usb_port_status port; 241}; 242 243enum fhci_gpios { 244 GPIO_USBOE = 0, 245 GPIO_USBTP, 246 GPIO_USBTN, 247 GPIO_USBRP, 248 GPIO_USBRN, 249 /* these are optional */ 250 GPIO_SPEED, 251 GPIO_POWER, 252 NUM_GPIOS, 253}; 254 255enum fhci_pins { 256 PIN_USBOE = 0, 257 PIN_USBTP, 258 PIN_USBTN, 259 NUM_PINS, 260}; 261 262struct fhci_hcd { 263 enum qe_clock fullspeed_clk; 264 enum qe_clock lowspeed_clk; 265 struct qe_pin *pins[NUM_PINS]; 266 int gpios[NUM_GPIOS]; 267 bool alow_gpios[NUM_GPIOS]; 268 269 struct fhci_regs __iomem *regs; /* I/O memory used to communicate */ 270 struct fhci_pram __iomem *pram; /* Parameter RAM */ 271 struct gtm_timer *timer; 272 273 spinlock_t lock; 274 struct fhci_usb *usb_lld; /* Low-level driver */ 275 struct virtual_root_hub *vroot_hub; /* the virtual root hub */ 276 int active_urbs; 277 struct fhci_controller_list *hc_list; 278 struct tasklet_struct *process_done_task; /* tasklet for done list */ 279 280 struct list_head empty_eds; 281 struct list_head empty_tds; 282 283#ifdef CONFIG_FHCI_DEBUG 284 int usb_irq_stat[13]; 285 struct dentry *dfs_root; 286 struct dentry *dfs_regs; 287 struct dentry *dfs_irq_stat; 288#endif 289}; 290 291#define USB_FRAME_USAGE 90 292#define FRAME_TIME_USAGE (USB_FRAME_USAGE*10) /* frame time usage */ 293#define SW_FIX_TIME_BETWEEN_TRANSACTION 150 /* SW */ 294#define MAX_BYTES_PER_FRAME (USB_FRAME_USAGE*15) 295#define MAX_PERIODIC_FRAME_USAGE 90 296 297/* transaction type */ 298enum fhci_ta_type { 299 FHCI_TA_IN = 0, /* input transaction */ 300 FHCI_TA_OUT, /* output transaction */ 301 FHCI_TA_SETUP, /* setup transaction */ 302}; 303 304/* transfer mode */ 305enum fhci_tf_mode { 306 FHCI_TF_CTRL = 0, 307 FHCI_TF_ISO, 308 FHCI_TF_BULK, 309 FHCI_TF_INTR, 310}; 311 312enum fhci_speed { 313 FHCI_FULL_SPEED, 314 FHCI_LOW_SPEED, 315}; 316 317/* endpoint state */ 318enum fhci_ed_state { 319 FHCI_ED_NEW = 0, /* pipe is new */ 320 FHCI_ED_OPER, /* pipe is operating */ 321 FHCI_ED_URB_DEL, /* pipe is in hold because urb is being deleted */ 322 FHCI_ED_SKIP, /* skip this pipe */ 323 FHCI_ED_HALTED, /* pipe is halted */ 324}; 325 326enum fhci_port_status { 327 FHCI_PORT_POWER_OFF = 0, 328 FHCI_PORT_DISABLED, 329 FHCI_PORT_DISCONNECTING, 330 FHCI_PORT_WAITING, /* waiting for connection */ 331 FHCI_PORT_FULL, /* full speed connected */ 332 FHCI_PORT_LOW, /* low speed connected */ 333}; 334 335enum fhci_mem_alloc { 336 MEM_CACHABLE_SYS = 0x00000001, /* primary DDR,cachable */ 337 MEM_NOCACHE_SYS = 0x00000004, /* primary DDR,non-cachable */ 338 MEM_SECONDARY = 0x00000002, /* either secondary DDR or SDRAM */ 339 MEM_PRAM = 0x00000008, /* multi-user RAM identifier */ 340}; 341 342/* USB default parameters*/ 343#define DEFAULT_RING_LEN 8 344#define DEFAULT_DATA_MEM MEM_CACHABLE_SYS 345 346struct ed { 347 u8 dev_addr; /* device address */ 348 u8 ep_addr; /* endpoint address */ 349 enum fhci_tf_mode mode; /* USB transfer mode */ 350 enum fhci_speed speed; 351 unsigned int max_pkt_size; 352 enum fhci_ed_state state; 353 struct list_head td_list; /* a list of all queued TD to this pipe */ 354 struct list_head node; 355 356 /* read only parameters, should be cleared upon initialization */ 357 u8 toggle_carry; /* toggle carry from the last TD submitted */ 358 u32 last_iso; /* time stamp of last queued ISO transfer */ 359 struct td *td_head; /* a pointer to the current TD handled */ 360}; 361 362struct td { 363 void *data; /* a pointer to the data buffer */ 364 unsigned int len; /* length of the data to be submitted */ 365 unsigned int actual_len; /* actual bytes transfered on this td */ 366 enum fhci_ta_type type; /* transaction type */ 367 u8 toggle; /* toggle for next trans. within this TD */ 368 u16 iso_index; /* ISO transaction index */ 369 u16 start_frame; /* start frame time stamp */ 370 u16 interval; /* interval between trans. (for ISO/Intr) */ 371 u32 status; /* status of the TD */ 372 struct ed *ed; /* a handle to the corresponding ED */ 373 struct urb *urb; /* a handle to the corresponding URB */ 374 bool ioc; /* Inform On Completion */ 375 struct list_head node; 376 377 /* read only parameters should be cleared upon initialization */ 378 struct packet *pkt; 379 int nak_cnt; 380 int error_cnt; 381 struct list_head frame_lh; 382}; 383 384struct packet { 385 u8 *data; /* packet data */ 386 u32 len; /* packet length */ 387 u32 status; /* status of the packet - equivalent to the status 388 * field for the corresponding structure td */ 389 u32 info; /* packet information */ 390 void __iomem *priv_data; /* private data of the driver (TDs or BDs) */ 391}; 392 393/* struct for each URB */ 394#define URB_INPROGRESS 0 395#define URB_DEL 1 396 397/* URB states (state field) */ 398#define US_BULK 0 399#define US_BULK0 1 400 401/* three setup states */ 402#define US_CTRL_SETUP 2 403#define US_CTRL_DATA 1 404#define US_CTRL_ACK 0 405 406#define EP_ZERO 0 407 408struct urb_priv { 409 int num_of_tds; 410 int tds_cnt; 411 int state; 412 413 struct td **tds; 414 struct ed *ed; 415 struct timer_list time_out; 416}; 417 418struct endpoint { 419 /* Pointer to ep parameter RAM */ 420 struct fhci_ep_pram __iomem *ep_pram_ptr; 421 422 /* Host transactions */ 423 struct usb_td __iomem *td_base; /* first TD in the ring */ 424 struct usb_td __iomem *conf_td; /* next TD for confirm after transac */ 425 struct usb_td __iomem *empty_td;/* next TD for new transaction req. */ 426 struct kfifo empty_frame_Q; /* Empty frames list to use */ 427 struct kfifo conf_frame_Q; /* frames passed to TDs,waiting for tx */ 428 struct kfifo dummy_packets_Q;/* dummy packets for the CRC overun */ 429 430 bool already_pushed_dummy_bd; 431}; 432 433/* struct for each 1mSec frame time */ 434#define FRAME_IS_TRANSMITTED 0x00 435#define FRAME_TIMER_END_TRANSMISSION 0x01 436#define FRAME_DATA_END_TRANSMISSION 0x02 437#define FRAME_END_TRANSMISSION 0x03 438#define FRAME_IS_PREPARED 0x04 439 440struct fhci_time_frame { 441 u16 frame_num; /* frame number */ 442 u16 total_bytes; /* total bytes submitted within this frame */ 443 u8 frame_status; /* flag that indicates to stop fill this frame */ 444 struct list_head tds_list; /* all tds of this frame */ 445}; 446 447/* internal driver structure*/ 448struct fhci_usb { 449 u16 saved_msk; /* saving of the USB mask register */ 450 struct endpoint *ep0; /* pointer for endpoint0 structure */ 451 int intr_nesting_cnt; /* interrupt nesting counter */ 452 u16 max_frame_usage; /* max frame time usage,in micro-sec */ 453 u16 max_bytes_per_frame; /* max byte can be tx in one time frame */ 454 u32 sw_transaction_time; /* sw complete trans time,in micro-sec */ 455 struct fhci_time_frame *actual_frame; 456 struct fhci_controller_list *hc_list; /* main structure for hc */ 457 struct virtual_root_hub *vroot_hub; 458 enum fhci_port_status port_status; /* v_rh port status */ 459 460 u32 (*transfer_confirm)(struct fhci_hcd *fhci); 461 462 struct fhci_hcd *fhci; 463}; 464 465/* 466 * Various helpers and prototypes below. 467 */ 468 469static inline u16 get_frame_num(struct fhci_hcd *fhci) 470{ 471 return in_be16(&fhci->pram->frame_num) & 0x07ff; 472} 473 474#define fhci_dbg(fhci, fmt, args...) \ 475 dev_dbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 476#define fhci_vdbg(fhci, fmt, args...) \ 477 dev_vdbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 478#define fhci_err(fhci, fmt, args...) \ 479 dev_err(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 480#define fhci_info(fhci, fmt, args...) \ 481 dev_info(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 482#define fhci_warn(fhci, fmt, args...) \ 483 dev_warn(fhci_to_hcd(fhci)->self.controller, fmt, ##args) 484 485static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd) 486{ 487 return (struct fhci_hcd *)hcd->hcd_priv; 488} 489 490static inline struct usb_hcd *fhci_to_hcd(struct fhci_hcd *fhci) 491{ 492 return container_of((void *)fhci, struct usb_hcd, hcd_priv); 493} 494 495/* fifo of pointers */ 496static inline int cq_new(struct kfifo *fifo, int size) 497{ 498 return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL); 499} 500 501static inline void cq_delete(struct kfifo *kfifo) 502{ 503 kfifo_free(kfifo); 504} 505 506static inline unsigned int cq_howmany(struct kfifo *kfifo) 507{ 508 return kfifo_len(kfifo) / sizeof(void *); 509} 510 511static inline int cq_put(struct kfifo *kfifo, void *p) 512{ 513 return kfifo_in(kfifo, (void *)&p, sizeof(p)); 514} 515 516static inline void *cq_get(struct kfifo *kfifo) 517{ 518 void *p = NULL; 519 520 kfifo_out(kfifo, (void *)&p, sizeof(p)); 521 return p; 522} 523 524/* fhci-hcd.c */ 525void fhci_start_sof_timer(struct fhci_hcd *fhci); 526void fhci_stop_sof_timer(struct fhci_hcd *fhci); 527u16 fhci_get_sof_timer_count(struct fhci_usb *usb); 528void fhci_usb_enable_interrupt(struct fhci_usb *usb); 529void fhci_usb_disable_interrupt(struct fhci_usb *usb); 530int fhci_ioports_check_bus_state(struct fhci_hcd *fhci); 531 532/* fhci-mem.c */ 533void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td); 534void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed); 535struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci); 536struct td *fhci_td_fill(struct fhci_hcd *fhci, struct urb *urb, 537 struct urb_priv *urb_priv, struct ed *ed, u16 index, 538 enum fhci_ta_type type, int toggle, u8 *data, u32 len, 539 u16 interval, u16 start_frame, bool ioc); 540void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number); 541 542/* fhci-hub.c */ 543void fhci_config_transceiver(struct fhci_hcd *fhci, 544 enum fhci_port_status status); 545void fhci_port_disable(struct fhci_hcd *fhci); 546void fhci_port_enable(void *lld); 547void fhci_io_port_generate_reset(struct fhci_hcd *fhci); 548void fhci_port_reset(void *lld); 549int fhci_hub_status_data(struct usb_hcd *hcd, char *buf); 550int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, 551 u16 wIndex, char *buf, u16 wLength); 552 553/* fhci-tds.c */ 554void fhci_flush_bds(struct fhci_usb *usb); 555void fhci_flush_actual_frame(struct fhci_usb *usb); 556u32 fhci_host_transaction(struct fhci_usb *usb, struct packet *pkt, 557 enum fhci_ta_type trans_type, u8 dest_addr, 558 u8 dest_ep, enum fhci_tf_mode trans_mode, 559 enum fhci_speed dest_speed, u8 data_toggle); 560void fhci_host_transmit_actual_frame(struct fhci_usb *usb); 561void fhci_tx_conf_interrupt(struct fhci_usb *usb); 562void fhci_push_dummy_bd(struct endpoint *ep); 563u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem, 564 u32 ring_len); 565void fhci_init_ep_registers(struct fhci_usb *usb, 566 struct endpoint *ep, 567 enum fhci_mem_alloc data_mem); 568void fhci_ep0_free(struct fhci_usb *usb); 569 570/* fhci-sched.c */ 571extern struct tasklet_struct fhci_tasklet; 572void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt); 573void fhci_flush_all_transmissions(struct fhci_usb *usb); 574void fhci_schedule_transactions(struct fhci_usb *usb); 575void fhci_device_connected_interrupt(struct fhci_hcd *fhci); 576void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci); 577void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb); 578u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci); 579irqreturn_t fhci_irq(struct usb_hcd *hcd); 580irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd); 581 582/* fhci-q.h */ 583void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb); 584struct td *fhci_remove_td_from_ed(struct ed *ed); 585struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame); 586void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed); 587struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame); 588void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td); 589struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list); 590void fhci_done_td(struct urb *urb, struct td *td); 591void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed); 592 593#ifdef CONFIG_FHCI_DEBUG 594 595void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er); 596void fhci_dfs_destroy(struct fhci_hcd *fhci); 597void fhci_dfs_create(struct fhci_hcd *fhci); 598 599#else 600 601static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {} 602static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {} 603static inline void fhci_dfs_create(struct fhci_hcd *fhci) {} 604 605#endif /* CONFIG_FHCI_DEBUG */ 606 607#endif /* __FHCI_H */ 608