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 <soc/fsl/qe/qe.h> 31 #include <soc/fsl/qe/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 */ 178 struct 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*/ 194 struct 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 }; 210 211 struct 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 }; 218 219 struct 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 }; 225 226 enum 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 }; 237 238 enum fhci_pins { 239 PIN_USBOE = 0, 240 PIN_USBTP, 241 PIN_USBTN, 242 NUM_PINS, 243 }; 244 245 struct 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 */ 281 enum 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 */ 288 enum fhci_tf_mode { 289 FHCI_TF_CTRL = 0, 290 FHCI_TF_ISO, 291 FHCI_TF_BULK, 292 FHCI_TF_INTR, 293 }; 294 295 enum fhci_speed { 296 FHCI_FULL_SPEED, 297 FHCI_LOW_SPEED, 298 }; 299 300 /* endpoint state */ 301 enum 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 }; 308 309 enum 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 }; 317 318 enum 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 328 329 struct 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 }; 344 345 struct 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 }; 366 367 struct 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 0 390 391 struct 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 }; 400 401 struct 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 422 423 struct 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*/ 431 struct 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 */ 451 452 static 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) 467 468 static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd) 469 { 470 return (struct fhci_hcd *)hcd->hcd_priv; 471 } 472 473 static 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 */ 479 static inline int cq_new(struct kfifo *fifo, int size) 480 { 481 return kfifo_alloc(fifo, size * sizeof(void *), GFP_KERNEL); 482 } 483 484 static inline void cq_delete(struct kfifo *kfifo) 485 { 486 kfifo_free(kfifo); 487 } 488 489 static inline unsigned int cq_howmany(struct kfifo *kfifo) 490 { 491 return kfifo_len(kfifo) / sizeof(void *); 492 } 493 494 static inline int cq_put(struct kfifo *kfifo, void *p) 495 { 496 return kfifo_in(kfifo, (void *)&p, sizeof(p)); 497 } 498 499 static 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 */ 512 void fhci_start_sof_timer(struct fhci_hcd *fhci); 513 void fhci_stop_sof_timer(struct fhci_hcd *fhci); 514 u16 fhci_get_sof_timer_count(struct fhci_usb *usb); 515 void fhci_usb_enable_interrupt(struct fhci_usb *usb); 516 void fhci_usb_disable_interrupt(struct fhci_usb *usb); 517 int fhci_ioports_check_bus_state(struct fhci_hcd *fhci); 518 519 /* fhci-mem.c */ 520 void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td); 521 void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed); 522 struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci); 523 struct 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); 527 void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number); 528 529 /* fhci-hub.c */ 530 void fhci_config_transceiver(struct fhci_hcd *fhci, 531 enum fhci_port_status status); 532 void fhci_port_disable(struct fhci_hcd *fhci); 533 void fhci_port_enable(void *lld); 534 void fhci_io_port_generate_reset(struct fhci_hcd *fhci); 535 void fhci_port_reset(void *lld); 536 int fhci_hub_status_data(struct usb_hcd *hcd, char *buf); 537 int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, 538 u16 wIndex, char *buf, u16 wLength); 539 540 /* fhci-tds.c */ 541 void fhci_flush_bds(struct fhci_usb *usb); 542 void fhci_flush_actual_frame(struct fhci_usb *usb); 543 u32 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); 547 void fhci_host_transmit_actual_frame(struct fhci_usb *usb); 548 void fhci_tx_conf_interrupt(struct fhci_usb *usb); 549 void fhci_push_dummy_bd(struct endpoint *ep); 550 u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem, 551 u32 ring_len); 552 void fhci_init_ep_registers(struct fhci_usb *usb, 553 struct endpoint *ep, 554 enum fhci_mem_alloc data_mem); 555 void fhci_ep0_free(struct fhci_usb *usb); 556 557 /* fhci-sched.c */ 558 extern struct tasklet_struct fhci_tasklet; 559 void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt); 560 void fhci_flush_all_transmissions(struct fhci_usb *usb); 561 void fhci_schedule_transactions(struct fhci_usb *usb); 562 void fhci_device_connected_interrupt(struct fhci_hcd *fhci); 563 void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci); 564 void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb); 565 u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci); 566 irqreturn_t fhci_irq(struct usb_hcd *hcd); 567 irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd); 568 569 /* fhci-q.h */ 570 void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb); 571 struct td *fhci_remove_td_from_ed(struct ed *ed); 572 struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame); 573 void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed); 574 struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame); 575 void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td); 576 struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list); 577 void fhci_done_td(struct urb *urb, struct td *td); 578 void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed); 579 580 #ifdef CONFIG_FHCI_DEBUG 581 582 void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er); 583 void fhci_dfs_destroy(struct fhci_hcd *fhci); 584 void fhci_dfs_create(struct fhci_hcd *fhci); 585 586 #else 587 588 static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {} 589 static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {} 590 static inline void fhci_dfs_create(struct fhci_hcd *fhci) {} 591 592 #endif /* CONFIG_FHCI_DEBUG */ 593 594 #endif /* __FHCI_H */ 595