LXR linux/drivers/usb/host/fhci.h

   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 occurred */
  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 transferred 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