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