blob: a76da201183bc0c265cbc407dd97bd09a700345b [file] [log] [blame]
Anton Vorontsov236dd4d2009-01-10 05:03:21 +03001/*
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 <asm/qe.h>
29#include "../core/hcd.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. */
Stefani Seibold45465482009-12-21 14:37:26 -0800426 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 */
Anton Vorontsov236dd4d2009-01-10 05:03:21 +0300429
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 */
Stefani Seibold45465482009-12-21 14:37:26 -0800496static inline int cq_new(struct kfifo *fifo, int size)
Anton Vorontsov236dd4d2009-01-10 05:03:21 +0300497{
Stefani Seiboldc1e13f22009-12-21 14:37:27 -0800498 return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL);
Anton Vorontsov236dd4d2009-01-10 05:03:21 +0300499}
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_put(kfifo, (void *)&p, sizeof(p));
514}
515
516static inline void *cq_get(struct kfifo *kfifo)
517{
518 void *p = NULL;
519
520 __kfifo_get(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 */