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 */
177 struct 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 */
196 struct 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*/
212 struct 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
229 struct 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
237 struct 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
244 enum 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
256 enum fhci_pins {
257 PIN_USBOE = 0,
258 PIN_USBTP,
259 PIN_USBTN,
260 NUM_PINS,
261 };
262
263 struct 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 */
299 enum 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 */
306 enum fhci_tf_mode {
307 FHCI_TF_CTRL = 0,
308 FHCI_TF_ISO,
309 FHCI_TF_BULK,
310 FHCI_TF_INTR,
311 };
312
313 enum fhci_speed {
314 FHCI_FULL_SPEED,
315 FHCI_LOW_SPEED,
316 };
317
318 /* endpoint state */
319 enum 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
327 enum 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
336 enum 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
347 struct 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
363 struct 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
385 struct 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
409 struct 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
419 struct 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
441 struct 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*/
449 struct 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
get_frame_num(struct fhci_hcd * fhci)470 static 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
hcd_to_fhci(struct usb_hcd * hcd)486 static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd)
487 {
488 return (struct fhci_hcd *)hcd->hcd_priv;
489 }
490
fhci_to_hcd(struct fhci_hcd * fhci)491 static 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 */
cq_new(struct kfifo * fifo,int size)497 static inline int cq_new(struct kfifo *fifo, int size)
498 {
499 return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL);
500 }
501
cq_delete(struct kfifo * kfifo)502 static inline void cq_delete(struct kfifo *kfifo)
503 {
504 kfifo_free(kfifo);
505 }
506
cq_howmany(struct kfifo * kfifo)507 static inline unsigned int cq_howmany(struct kfifo *kfifo)
508 {
509 return kfifo_len(kfifo) / sizeof(void *);
510 }
511
cq_put(struct kfifo * kfifo,void * p)512 static inline int cq_put(struct kfifo *kfifo, void *p)
513 {
514 return kfifo_in(kfifo, (void *)&p, sizeof(p));
515 }
516
cq_get(struct kfifo * kfifo)517 static 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 */
530 void fhci_start_sof_timer(struct fhci_hcd *fhci);
531 void fhci_stop_sof_timer(struct fhci_hcd *fhci);
532 u16 fhci_get_sof_timer_count(struct fhci_usb *usb);
533 void fhci_usb_enable_interrupt(struct fhci_usb *usb);
534 void fhci_usb_disable_interrupt(struct fhci_usb *usb);
535 int fhci_ioports_check_bus_state(struct fhci_hcd *fhci);
536
537 /* fhci-mem.c */
538 void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td);
539 void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed);
540 struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci);
541 struct 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);
545 void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number);
546
547 /* fhci-hub.c */
548 void fhci_config_transceiver(struct fhci_hcd *fhci,
549 enum fhci_port_status status);
550 void fhci_port_disable(struct fhci_hcd *fhci);
551 void fhci_port_enable(void *lld);
552 void fhci_io_port_generate_reset(struct fhci_hcd *fhci);
553 void fhci_port_reset(void *lld);
554 int fhci_hub_status_data(struct usb_hcd *hcd, char *buf);
555 int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
556 u16 wIndex, char *buf, u16 wLength);
557
558 /* fhci-tds.c */
559 void fhci_flush_bds(struct fhci_usb *usb);
560 void fhci_flush_actual_frame(struct fhci_usb *usb);
561 u32 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);
565 void fhci_host_transmit_actual_frame(struct fhci_usb *usb);
566 void fhci_tx_conf_interrupt(struct fhci_usb *usb);
567 void fhci_push_dummy_bd(struct endpoint *ep);
568 u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem,
569 u32 ring_len);
570 void fhci_init_ep_registers(struct fhci_usb *usb,
571 struct endpoint *ep,
572 enum fhci_mem_alloc data_mem);
573 void fhci_ep0_free(struct fhci_usb *usb);
574
575 /* fhci-sched.c */
576 extern struct tasklet_struct fhci_tasklet;
577 void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt);
578 void fhci_flush_all_transmissions(struct fhci_usb *usb);
579 void fhci_schedule_transactions(struct fhci_usb *usb);
580 void fhci_device_connected_interrupt(struct fhci_hcd *fhci);
581 void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci);
582 void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb);
583 u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci);
584 irqreturn_t fhci_irq(struct usb_hcd *hcd);
585 irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd);
586
587 /* fhci-q.h */
588 void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb);
589 struct td *fhci_remove_td_from_ed(struct ed *ed);
590 struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame);
591 void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed);
592 struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame);
593 void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td);
594 struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list);
595 void fhci_done_td(struct urb *urb, struct td *td);
596 void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed);
597
598 #ifdef CONFIG_FHCI_DEBUG
599
600 void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er);
601 void fhci_dfs_destroy(struct fhci_hcd *fhci);
602 void fhci_dfs_create(struct fhci_hcd *fhci);
603
604 #else
605
fhci_dbg_isr(struct fhci_hcd * fhci,int usb_er)606 static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {}
fhci_dfs_destroy(struct fhci_hcd * fhci)607 static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {}
fhci_dfs_create(struct fhci_hcd * fhci)608 static inline void fhci_dfs_create(struct fhci_hcd *fhci) {}
609
610 #endif /* CONFIG_FHCI_DEBUG */
611
612 #endif /* __FHCI_H */
613