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

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Freescale QUICC Engine USB Host Controller Driver
   4 *
   5 * Copyright (c) Freescale Semicondutor, Inc. 2006.
   6 *               Shlomi Gridish <gridish@freescale.com>
   7 *               Jerry Huang <Chang-Ming.Huang@freescale.com>
   8 * Copyright (c) Logic Product Development, Inc. 2007
   9 *               Peter Barada <peterb@logicpd.com>
  10 * Copyright (c) MontaVista Software, Inc. 2008.
  11 *               Anton Vorontsov <avorontsov@ru.mvista.com>
  12 */
  13
  14#ifndef __FHCI_H
  15#define __FHCI_H
  16
  17#include <linux/kernel.h>
  18#include <linux/types.h>
  19#include <linux/bug.h>
  20#include <linux/spinlock.h>
  21#include <linux/interrupt.h>
  22#include <linux/kfifo.h>
  23#include <linux/io.h>
  24#include <linux/usb.h>
  25#include <linux/usb/hcd.h>
  26#include <soc/fsl/qe/qe.h>
  27#include <soc/fsl/qe/immap_qe.h>
  28
  29#define USB_CLOCK       48000000
  30
  31#define FHCI_PRAM_SIZE 0x100
  32
  33#define MAX_EDS         32
  34#define MAX_TDS         32
  35
  36
  37/* CRC16 field size */
  38#define CRC_SIZE 2
  39
  40/* USB protocol overhead for each frame transmitted from the host */
  41#define PROTOCOL_OVERHEAD 7
  42
  43/* Packet structure, info field */
  44#define PKT_PID_DATA0           0x80000000 /* PID - Data toggle zero */
  45#define PKT_PID_DATA1           0x40000000 /* PID - Data toggle one  */
  46#define PKT_PID_SETUP           0x20000000 /* PID - Setup bit */
  47#define PKT_SETUP_STATUS        0x10000000 /* Setup status bit */
  48#define PKT_SETADDR_STATUS      0x08000000 /* Set address status bit */
  49#define PKT_SET_HOST_LAST       0x04000000 /* Last data packet */
  50#define PKT_HOST_DATA           0x02000000 /* Data packet */
  51#define PKT_FIRST_IN_FRAME      0x01000000 /* First packet in the frame */
  52#define PKT_TOKEN_FRAME         0x00800000 /* Token packet */
  53#define PKT_ZLP                 0x00400000 /* Zero length packet */
  54#define PKT_IN_TOKEN_FRAME      0x00200000 /* IN token packet */
  55#define PKT_OUT_TOKEN_FRAME     0x00100000 /* OUT token packet */
  56#define PKT_SETUP_TOKEN_FRAME   0x00080000 /* SETUP token packet */
  57#define PKT_STALL_FRAME         0x00040000 /* STALL packet */
  58#define PKT_NACK_FRAME          0x00020000 /* NACK packet */
  59#define PKT_NO_PID              0x00010000 /* No PID */
  60#define PKT_NO_CRC              0x00008000 /* don't append CRC */
  61#define PKT_HOST_COMMAND        0x00004000 /* Host command packet */
  62#define PKT_DUMMY_PACKET        0x00002000 /* Dummy packet, used for mmm */
  63#define PKT_LOW_SPEED_PACKET    0x00001000 /* Low-Speed packet */
  64
  65#define TRANS_OK                (0)
  66#define TRANS_INPROGRESS        (-1)
  67#define TRANS_DISCARD           (-2)
  68#define TRANS_FAIL              (-3)
  69
  70#define PS_INT          0
  71#define PS_DISCONNECTED 1
  72#define PS_CONNECTED    2
  73#define PS_READY        3
  74#define PS_MISSING      4
  75
  76/* Transfer Descriptor status field */
  77#define USB_TD_OK               0x00000000 /* TD transmited or received ok */
  78#define USB_TD_INPROGRESS       0x80000000 /* TD is being transmitted */
  79#define USB_TD_RX_ER_NONOCT     0x40000000 /* Tx Non Octet Aligned Packet */
  80#define USB_TD_RX_ER_BITSTUFF   0x20000000 /* Frame Aborted-Received pkt */
  81#define USB_TD_RX_ER_CRC        0x10000000 /* CRC error */
  82#define USB_TD_RX_ER_OVERUN     0x08000000 /* Over - run occurred */
  83#define USB_TD_RX_ER_PID        0x04000000 /* wrong PID received */
  84#define USB_TD_RX_DATA_UNDERUN  0x02000000 /* shorter than expected */
  85#define USB_TD_RX_DATA_OVERUN   0x01000000 /* longer than expected */
  86#define USB_TD_TX_ER_NAK        0x00800000 /* NAK handshake */
  87#define USB_TD_TX_ER_STALL      0x00400000 /* STALL handshake */
  88#define USB_TD_TX_ER_TIMEOUT    0x00200000 /* transmit time out */
  89#define USB_TD_TX_ER_UNDERUN    0x00100000 /* transmit underrun */
  90
  91#define USB_TD_ERROR (USB_TD_RX_ER_NONOCT | USB_TD_RX_ER_BITSTUFF | \
  92                USB_TD_RX_ER_CRC | USB_TD_RX_ER_OVERUN | USB_TD_RX_ER_PID | \
  93                USB_TD_RX_DATA_UNDERUN | USB_TD_RX_DATA_OVERUN | \
  94                USB_TD_TX_ER_NAK | USB_TD_TX_ER_STALL | \
  95                USB_TD_TX_ER_TIMEOUT | USB_TD_TX_ER_UNDERUN)
  96
  97/* Transfer Descriptor toggle field */
  98#define USB_TD_TOGGLE_DATA0     0
  99#define USB_TD_TOGGLE_DATA1     1
 100#define USB_TD_TOGGLE_CARRY     2
 101
 102/* #define MULTI_DATA_BUS */
 103
 104/* Bus mode register RBMR/TBMR */
 105#define BUS_MODE_GBL    0x20    /* Global snooping */
 106#define BUS_MODE_BO     0x18    /* Byte ordering */
 107#define BUS_MODE_BO_BE  0x10    /* Byte ordering - Big-endian */
 108#define BUS_MODE_DTB    0x02    /* Data bus */
 109
 110/* FHCI QE USB Register Description */
 111
 112/* USB Mode Register bit define */
 113#define USB_MODE_EN             0x01
 114#define USB_MODE_HOST           0x02
 115#define USB_MODE_TEST           0x04
 116#define USB_MODE_SFTE           0x08
 117#define USB_MODE_RESUME         0x40
 118#define USB_MODE_LSS            0x80
 119
 120/* USB Slave Address Register Mask */
 121#define USB_SLVADDR_MASK        0x7F
 122
 123/* USB Endpoint register define */
 124#define USB_EPNUM_MASK          0xF000
 125#define USB_EPNUM_SHIFT         12
 126
 127#define USB_TRANS_MODE_SHIFT    8
 128#define USB_TRANS_CTR           0x0000
 129#define USB_TRANS_INT           0x0100
 130#define USB_TRANS_BULK          0x0200
 131#define USB_TRANS_ISO           0x0300
 132
 133#define USB_EP_MF               0x0020
 134#define USB_EP_RTE              0x0010
 135
 136#define USB_THS_SHIFT           2
 137#define USB_THS_MASK            0x000c
 138#define USB_THS_NORMAL          0x0
 139#define USB_THS_IGNORE_IN       0x0004
 140#define USB_THS_NACK            0x0008
 141#define USB_THS_STALL           0x000c
 142
 143#define USB_RHS_SHIFT           0
 144#define USB_RHS_MASK            0x0003
 145#define USB_RHS_NORMAL          0x0
 146#define USB_RHS_IGNORE_OUT      0x0001
 147#define USB_RHS_NACK            0x0002
 148#define USB_RHS_STALL           0x0003
 149
 150#define USB_RTHS_MASK           0x000f
 151
 152/* USB Command Register define */
 153#define USB_CMD_STR_FIFO        0x80
 154#define USB_CMD_FLUSH_FIFO      0x40
 155#define USB_CMD_ISFT            0x20
 156#define USB_CMD_DSFT            0x10
 157#define USB_CMD_EP_MASK         0x03
 158
 159/* USB Event and Mask Register define */
 160#define USB_E_MSF_MASK          0x0800
 161#define USB_E_SFT_MASK          0x0400
 162#define USB_E_RESET_MASK        0x0200
 163#define USB_E_IDLE_MASK         0x0100
 164#define USB_E_TXE4_MASK         0x0080
 165#define USB_E_TXE3_MASK         0x0040
 166#define USB_E_TXE2_MASK         0x0020
 167#define USB_E_TXE1_MASK         0x0010
 168#define USB_E_SOF_MASK          0x0008
 169#define USB_E_BSY_MASK          0x0004
 170#define USB_E_TXB_MASK          0x0002
 171#define USB_E_RXB_MASK          0x0001
 172
 173/* Freescale USB HOST */
 174struct fhci_pram {
 175        __be16 ep_ptr[4];       /* Endpoint porter reg */
 176        __be32 rx_state;        /* Rx internal state */
 177        __be32 rx_ptr;          /* Rx internal data pointer */
 178        __be16 frame_num;       /* Frame number */
 179        __be16 rx_cnt;          /* Rx byte count */
 180        __be32 rx_temp;         /* Rx temp */
 181        __be32 rx_data_temp;    /* Rx data temp */
 182        __be16 rx_u_ptr;        /* Rx microcode return address temp */
 183        u8 reserved1[2];        /* reserved area */
 184        __be32 sof_tbl;         /* SOF lookup table pointer */
 185        u8 sof_u_crc_temp;      /* SOF micorcode CRC5 temp reg */
 186        u8 reserved2[0xdb];
 187};
 188
 189/* Freescale USB Endpoint*/
 190struct fhci_ep_pram {
 191        __be16 rx_base;         /* Rx BD base address */
 192        __be16 tx_base;         /* Tx BD base address */
 193        u8 rx_func_code;        /* Rx function code */
 194        u8 tx_func_code;        /* Tx function code */
 195        __be16 rx_buff_len;     /* Rx buffer length */
 196        __be16 rx_bd_ptr;       /* Rx BD pointer */
 197        __be16 tx_bd_ptr;       /* Tx BD pointer */
 198        __be32 tx_state;        /* Tx internal state */
 199        __be32 tx_ptr;          /* Tx internal data pointer */
 200        __be16 tx_crc;          /* temp transmit CRC */
 201        __be16 tx_cnt;          /* Tx byte count */
 202        __be32 tx_temp;         /* Tx temp */
 203        __be16 tx_u_ptr;        /* Tx microcode return address temp */
 204        __be16 reserved;
 205};
 206
 207struct fhci_controller_list {
 208        struct list_head ctrl_list;     /* control endpoints */
 209        struct list_head bulk_list;     /* bulk endpoints */
 210        struct list_head iso_list;      /* isochronous endpoints */
 211        struct list_head intr_list;     /* interruput endpoints */
 212        struct list_head done_list;     /* done transfers */
 213};
 214
 215struct virtual_root_hub {
 216        int dev_num;    /* USB address of the root hub */
 217        u32 feature;    /* indicates what feature has been set */
 218        struct usb_hub_status hub;
 219        struct usb_port_status port;
 220};
 221
 222enum fhci_gpios {
 223        GPIO_USBOE = 0,
 224        GPIO_USBTP,
 225        GPIO_USBTN,
 226        GPIO_USBRP,
 227        GPIO_USBRN,
 228        /* these are optional */
 229        GPIO_SPEED,
 230        GPIO_POWER,
 231        NUM_GPIOS,
 232};
 233
 234enum fhci_pins {
 235        PIN_USBOE = 0,
 236        PIN_USBTP,
 237        PIN_USBTN,
 238        NUM_PINS,
 239};
 240
 241struct fhci_hcd {
 242        enum qe_clock fullspeed_clk;
 243        enum qe_clock lowspeed_clk;
 244        struct qe_pin *pins[NUM_PINS];
 245        int gpios[NUM_GPIOS];
 246        bool alow_gpios[NUM_GPIOS];
 247
 248        struct qe_usb_ctlr __iomem *regs; /* I/O memory used to communicate */
 249        struct fhci_pram __iomem *pram; /* Parameter RAM */
 250        struct gtm_timer *timer;
 251
 252        spinlock_t lock;
 253        struct fhci_usb *usb_lld; /* Low-level driver */
 254        struct virtual_root_hub *vroot_hub; /* the virtual root hub */
 255        int active_urbs;
 256        struct fhci_controller_list *hc_list;
 257        struct tasklet_struct *process_done_task; /* tasklet for done list */
 258
 259        struct list_head empty_eds;
 260        struct list_head empty_tds;
 261
 262#ifdef CONFIG_FHCI_DEBUG
 263        int usb_irq_stat[13];
 264        struct dentry *dfs_root;
 265#endif
 266};
 267
 268#define USB_FRAME_USAGE 90
 269#define FRAME_TIME_USAGE (USB_FRAME_USAGE*10)   /* frame time usage */
 270#define SW_FIX_TIME_BETWEEN_TRANSACTION 150     /* SW */
 271#define MAX_BYTES_PER_FRAME (USB_FRAME_USAGE*15)
 272#define MAX_PERIODIC_FRAME_USAGE 90
 273
 274/* transaction type */
 275enum fhci_ta_type {
 276        FHCI_TA_IN = 0, /* input transaction */
 277        FHCI_TA_OUT,    /* output transaction */
 278        FHCI_TA_SETUP,  /* setup transaction */
 279};
 280
 281/* transfer mode */
 282enum fhci_tf_mode {
 283        FHCI_TF_CTRL = 0,
 284        FHCI_TF_ISO,
 285        FHCI_TF_BULK,
 286        FHCI_TF_INTR,
 287};
 288
 289enum fhci_speed {
 290        FHCI_FULL_SPEED,
 291        FHCI_LOW_SPEED,
 292};
 293
 294/* endpoint state */
 295enum fhci_ed_state {
 296        FHCI_ED_NEW = 0, /* pipe is new */
 297        FHCI_ED_OPER,    /* pipe is operating */
 298        FHCI_ED_URB_DEL, /* pipe is in hold because urb is being deleted */
 299        FHCI_ED_SKIP,    /* skip this pipe */
 300        FHCI_ED_HALTED,  /* pipe is halted */
 301};
 302
 303enum fhci_port_status {
 304        FHCI_PORT_POWER_OFF = 0,
 305        FHCI_PORT_DISABLED,
 306        FHCI_PORT_DISCONNECTING,
 307        FHCI_PORT_WAITING,      /* waiting for connection */
 308        FHCI_PORT_FULL,         /* full speed connected */
 309        FHCI_PORT_LOW,          /* low speed connected */
 310};
 311
 312enum fhci_mem_alloc {
 313        MEM_CACHABLE_SYS = 0x00000001,  /* primary DDR,cachable */
 314        MEM_NOCACHE_SYS = 0x00000004,   /* primary DDR,non-cachable */
 315        MEM_SECONDARY = 0x00000002,     /* either secondary DDR or SDRAM */
 316        MEM_PRAM = 0x00000008,          /* multi-user RAM identifier */
 317};
 318
 319/* USB default parameters*/
 320#define DEFAULT_RING_LEN        8
 321#define DEFAULT_DATA_MEM        MEM_CACHABLE_SYS
 322
 323struct ed {
 324        u8 dev_addr;            /* device address */
 325        u8 ep_addr;             /* endpoint address */
 326        enum fhci_tf_mode mode; /* USB transfer mode */
 327        enum fhci_speed speed;
 328        unsigned int max_pkt_size;
 329        enum fhci_ed_state state;
 330        struct list_head td_list; /* a list of all queued TD to this pipe */
 331        struct list_head node;
 332
 333        /* read only parameters, should be cleared upon initialization */
 334        u8 toggle_carry;        /* toggle carry from the last TD submitted */
 335        u16 next_iso;           /* time stamp of next queued ISO transfer */
 336        struct td *td_head;     /* a pointer to the current TD handled */
 337};
 338
 339struct td {
 340        void *data;              /* a pointer to the data buffer */
 341        unsigned int len;        /* length of the data to be submitted */
 342        unsigned int actual_len; /* actual bytes transferred on this td */
 343        enum fhci_ta_type type;  /* transaction type */
 344        u8 toggle;               /* toggle for next trans. within this TD */
 345        u16 iso_index;           /* ISO transaction index */
 346        u16 start_frame;         /* start frame time stamp */
 347        u16 interval;            /* interval between trans. (for ISO/Intr) */
 348        u32 status;              /* status of the TD */
 349        struct ed *ed;           /* a handle to the corresponding ED */
 350        struct urb *urb;         /* a handle to the corresponding URB */
 351        bool ioc;                /* Inform On Completion */
 352        struct list_head node;
 353
 354        /* read only parameters should be cleared upon initialization */
 355        struct packet *pkt;
 356        int nak_cnt;
 357        int error_cnt;
 358        struct list_head frame_lh;
 359};
 360
 361struct packet {
 362        u8 *data;       /* packet data */
 363        u32 len;        /* packet length */
 364        u32 status;     /* status of the packet - equivalent to the status
 365                         * field for the corresponding structure td */
 366        u32 info;       /* packet information */
 367        void __iomem *priv_data; /* private data of the driver (TDs or BDs) */
 368};
 369
 370/* struct for each URB */
 371#define URB_INPROGRESS  0
 372#define URB_DEL         1
 373
 374/* URB states (state field) */
 375#define US_BULK         0
 376#define US_BULK0        1
 377
 378/* three setup states */
 379#define US_CTRL_SETUP   2
 380#define US_CTRL_DATA    1
 381#define US_CTRL_ACK     0
 382
 383#define EP_ZERO 0
 384
 385struct urb_priv {
 386        int num_of_tds;
 387        int tds_cnt;
 388        int state;
 389
 390        struct td **tds;
 391        struct ed *ed;
 392        struct timer_list time_out;
 393};
 394
 395struct endpoint {
 396        /* Pointer to ep parameter RAM */
 397        struct fhci_ep_pram __iomem *ep_pram_ptr;
 398
 399        /* Host transactions */
 400        struct usb_td __iomem *td_base; /* first TD in the ring */
 401        struct usb_td __iomem *conf_td; /* next TD for confirm after transac */
 402        struct usb_td __iomem *empty_td;/* next TD for new transaction req. */
 403        struct kfifo empty_frame_Q;  /* Empty frames list to use */
 404        struct kfifo conf_frame_Q;   /* frames passed to TDs,waiting for tx */
 405        struct kfifo dummy_packets_Q;/* dummy packets for the CRC overun */
 406
 407        bool already_pushed_dummy_bd;
 408};
 409
 410/* struct for each 1mSec frame time */
 411#define FRAME_IS_TRANSMITTED            0x00
 412#define FRAME_TIMER_END_TRANSMISSION    0x01
 413#define FRAME_DATA_END_TRANSMISSION     0x02
 414#define FRAME_END_TRANSMISSION          0x03
 415#define FRAME_IS_PREPARED               0x04
 416
 417struct fhci_time_frame {
 418        u16 frame_num;   /* frame number */
 419        u16 total_bytes; /* total bytes submitted within this frame */
 420        u8 frame_status; /* flag that indicates to stop fill this frame */
 421        struct list_head tds_list; /* all tds of this frame */
 422};
 423
 424/* internal driver structure*/
 425struct fhci_usb {
 426        u16 saved_msk;           /* saving of the USB mask register */
 427        struct endpoint *ep0;    /* pointer for endpoint0 structure */
 428        int intr_nesting_cnt;    /* interrupt nesting counter */
 429        u16 max_frame_usage;     /* max frame time usage,in micro-sec */
 430        u16 max_bytes_per_frame; /* max byte can be tx in one time frame */
 431        u32 sw_transaction_time; /* sw complete trans time,in micro-sec */
 432        struct fhci_time_frame *actual_frame;
 433        struct fhci_controller_list *hc_list;   /* main structure for hc */
 434        struct virtual_root_hub *vroot_hub;
 435        enum fhci_port_status port_status;      /* v_rh port status */
 436
 437        u32 (*transfer_confirm)(struct fhci_hcd *fhci);
 438
 439        struct fhci_hcd *fhci;
 440};
 441
 442/*
 443 * Various helpers and prototypes below.
 444 */
 445
 446static inline u16 get_frame_num(struct fhci_hcd *fhci)
 447{
 448        return in_be16(&fhci->pram->frame_num) & 0x07ff;
 449}
 450
 451#define fhci_dbg(fhci, fmt, args...) \
 452                dev_dbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args)
 453#define fhci_vdbg(fhci, fmt, args...) \
 454                dev_vdbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args)
 455#define fhci_err(fhci, fmt, args...) \
 456                dev_err(fhci_to_hcd(fhci)->self.controller, fmt, ##args)
 457#define fhci_info(fhci, fmt, args...) \
 458                dev_info(fhci_to_hcd(fhci)->self.controller, fmt, ##args)
 459#define fhci_warn(fhci, fmt, args...) \
 460                dev_warn(fhci_to_hcd(fhci)->self.controller, fmt, ##args)
 461
 462static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd)
 463{
 464        return (struct fhci_hcd *)hcd->hcd_priv;
 465}
 466
 467static inline struct usb_hcd *fhci_to_hcd(struct fhci_hcd *fhci)
 468{
 469        return container_of((void *)fhci, struct usb_hcd, hcd_priv);
 470}
 471
 472/* fifo of pointers */
 473static inline int cq_new(struct kfifo *fifo, int size)
 474{
 475        return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL);
 476}
 477
 478static inline void cq_delete(struct kfifo *kfifo)
 479{
 480        kfifo_free(kfifo);
 481}
 482
 483static inline unsigned int cq_howmany(struct kfifo *kfifo)
 484{
 485        return kfifo_len(kfifo) / sizeof(void *);
 486}
 487
 488static inline int cq_put(struct kfifo *kfifo, void *p)
 489{
 490        return kfifo_in(kfifo, (void *)&p, sizeof(p));
 491}
 492
 493static inline void *cq_get(struct kfifo *kfifo)
 494{
 495        unsigned int sz;
 496        void *p;
 497
 498        sz = kfifo_out(kfifo, (void *)&p, sizeof(p));
 499        if (sz != sizeof(p))
 500                return NULL;
 501
 502        return p;
 503}
 504
 505/* fhci-hcd.c */
 506void fhci_start_sof_timer(struct fhci_hcd *fhci);
 507void fhci_stop_sof_timer(struct fhci_hcd *fhci);
 508u16 fhci_get_sof_timer_count(struct fhci_usb *usb);
 509void fhci_usb_enable_interrupt(struct fhci_usb *usb);
 510void fhci_usb_disable_interrupt(struct fhci_usb *usb);
 511int fhci_ioports_check_bus_state(struct fhci_hcd *fhci);
 512
 513/* fhci-mem.c */
 514void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td);
 515void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed);
 516struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci);
 517struct td *fhci_td_fill(struct fhci_hcd *fhci, struct urb *urb,
 518                        struct urb_priv *urb_priv, struct ed *ed, u16 index,
 519                        enum fhci_ta_type type, int toggle, u8 *data, u32 len,
 520                        u16 interval, u16 start_frame, bool ioc);
 521void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number);
 522
 523/* fhci-hub.c */
 524void fhci_config_transceiver(struct fhci_hcd *fhci,
 525                        enum fhci_port_status status);
 526void fhci_port_disable(struct fhci_hcd *fhci);
 527void fhci_port_enable(void *lld);
 528void fhci_io_port_generate_reset(struct fhci_hcd *fhci);
 529void fhci_port_reset(void *lld);
 530int fhci_hub_status_data(struct usb_hcd *hcd, char *buf);
 531int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 532                     u16 wIndex, char *buf, u16 wLength);
 533
 534/* fhci-tds.c */
 535void fhci_flush_bds(struct fhci_usb *usb);
 536void fhci_flush_actual_frame(struct fhci_usb *usb);
 537u32 fhci_host_transaction(struct fhci_usb *usb, struct packet *pkt,
 538                          enum fhci_ta_type trans_type, u8 dest_addr,
 539                          u8 dest_ep, enum fhci_tf_mode trans_mode,
 540                          enum fhci_speed dest_speed, u8 data_toggle);
 541void fhci_host_transmit_actual_frame(struct fhci_usb *usb);
 542void fhci_tx_conf_interrupt(struct fhci_usb *usb);
 543void fhci_push_dummy_bd(struct endpoint *ep);
 544u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem,
 545                   u32 ring_len);
 546void fhci_init_ep_registers(struct fhci_usb *usb,
 547                            struct endpoint *ep,
 548                            enum fhci_mem_alloc data_mem);
 549void fhci_ep0_free(struct fhci_usb *usb);
 550
 551/* fhci-sched.c */
 552extern struct tasklet_struct fhci_tasklet;
 553void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt);
 554void fhci_flush_all_transmissions(struct fhci_usb *usb);
 555void fhci_schedule_transactions(struct fhci_usb *usb);
 556void fhci_device_connected_interrupt(struct fhci_hcd *fhci);
 557void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci);
 558void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb);
 559u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci);
 560irqreturn_t fhci_irq(struct usb_hcd *hcd);
 561irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd);
 562
 563/* fhci-q.h */
 564void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb);
 565struct td *fhci_remove_td_from_ed(struct ed *ed);
 566struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame);
 567void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed);
 568struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame);
 569void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td);
 570struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list);
 571void fhci_done_td(struct urb *urb, struct td *td);
 572void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed);
 573
 574#ifdef CONFIG_FHCI_DEBUG
 575
 576void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er);
 577void fhci_dfs_destroy(struct fhci_hcd *fhci);
 578void fhci_dfs_create(struct fhci_hcd *fhci);
 579
 580#else
 581
 582static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {}
 583static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {}
 584static inline void fhci_dfs_create(struct fhci_hcd *fhci) {}
 585
 586#endif /* CONFIG_FHCI_DEBUG */
 587
 588#endif /* __FHCI_H */
 589