diff options
Diffstat (limited to 'drivers/usb/host/fhci.h')
-rw-r--r-- | drivers/usb/host/fhci.h | 607 |
1 files changed, 607 insertions, 0 deletions
diff --git a/drivers/usb/host/fhci.h b/drivers/usb/host/fhci.h new file mode 100644 index 000000000000..7116284ed21a --- /dev/null +++ b/drivers/usb/host/fhci.h | |||
@@ -0,0 +1,607 @@ | |||
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/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 */ | ||
176 | struct 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 */ | ||
195 | struct 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*/ | ||
211 | struct 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 | |||
228 | struct 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 | |||
236 | struct 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 | |||
243 | enum 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 | |||
255 | enum fhci_pins { | ||
256 | PIN_USBOE = 0, | ||
257 | PIN_USBTP, | ||
258 | PIN_USBTN, | ||
259 | NUM_PINS, | ||
260 | }; | ||
261 | |||
262 | struct 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 */ | ||
298 | enum 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 */ | ||
305 | enum fhci_tf_mode { | ||
306 | FHCI_TF_CTRL = 0, | ||
307 | FHCI_TF_ISO, | ||
308 | FHCI_TF_BULK, | ||
309 | FHCI_TF_INTR, | ||
310 | }; | ||
311 | |||
312 | enum fhci_speed { | ||
313 | FHCI_FULL_SPEED, | ||
314 | FHCI_LOW_SPEED, | ||
315 | }; | ||
316 | |||
317 | /* endpoint state */ | ||
318 | enum 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 | |||
326 | enum 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 | |||
335 | enum 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 | |||
346 | struct 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 | |||
362 | struct 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 | |||
384 | struct 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 | |||
408 | struct 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 | |||
418 | struct 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. */ | ||
426 | 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 */ | ||
429 | |||
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 | |||
440 | struct 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*/ | ||
448 | struct 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 | |||
469 | static 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 | |||
485 | static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd) | ||
486 | { | ||
487 | return (struct fhci_hcd *)hcd->hcd_priv; | ||
488 | } | ||
489 | |||
490 | static 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 */ | ||
496 | static inline struct kfifo *cq_new(int size) | ||
497 | { | ||
498 | return kfifo_alloc(size * sizeof(void *), GFP_KERNEL, NULL); | ||
499 | } | ||
500 | |||
501 | static inline void cq_delete(struct kfifo *kfifo) | ||
502 | { | ||
503 | kfifo_free(kfifo); | ||
504 | } | ||
505 | |||
506 | static inline unsigned int cq_howmany(struct kfifo *kfifo) | ||
507 | { | ||
508 | return __kfifo_len(kfifo) / sizeof(void *); | ||
509 | } | ||
510 | |||
511 | static inline int cq_put(struct kfifo *kfifo, void *p) | ||
512 | { | ||
513 | return __kfifo_put(kfifo, (void *)&p, sizeof(p)); | ||
514 | } | ||
515 | |||
516 | static 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 */ | ||
525 | void fhci_start_sof_timer(struct fhci_hcd *fhci); | ||
526 | void fhci_stop_sof_timer(struct fhci_hcd *fhci); | ||
527 | u16 fhci_get_sof_timer_count(struct fhci_usb *usb); | ||
528 | void fhci_usb_enable_interrupt(struct fhci_usb *usb); | ||
529 | void fhci_usb_disable_interrupt(struct fhci_usb *usb); | ||
530 | int fhci_ioports_check_bus_state(struct fhci_hcd *fhci); | ||
531 | |||
532 | /* fhci-mem.c */ | ||
533 | void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td); | ||
534 | void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed); | ||
535 | struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci); | ||
536 | struct 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); | ||
540 | void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number); | ||
541 | |||
542 | /* fhci-hub.c */ | ||
543 | void fhci_config_transceiver(struct fhci_hcd *fhci, | ||
544 | enum fhci_port_status status); | ||
545 | void fhci_port_disable(struct fhci_hcd *fhci); | ||
546 | void fhci_port_enable(void *lld); | ||
547 | void fhci_io_port_generate_reset(struct fhci_hcd *fhci); | ||
548 | void fhci_port_reset(void *lld); | ||
549 | int fhci_hub_status_data(struct usb_hcd *hcd, char *buf); | ||
550 | int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, | ||
551 | u16 wIndex, char *buf, u16 wLength); | ||
552 | |||
553 | /* fhci-tds.c */ | ||
554 | void fhci_flush_bds(struct fhci_usb *usb); | ||
555 | void fhci_flush_actual_frame(struct fhci_usb *usb); | ||
556 | u32 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); | ||
560 | void fhci_host_transmit_actual_frame(struct fhci_usb *usb); | ||
561 | void fhci_tx_conf_interrupt(struct fhci_usb *usb); | ||
562 | void fhci_push_dummy_bd(struct endpoint *ep); | ||
563 | u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem, | ||
564 | u32 ring_len); | ||
565 | void fhci_init_ep_registers(struct fhci_usb *usb, | ||
566 | struct endpoint *ep, | ||
567 | enum fhci_mem_alloc data_mem); | ||
568 | void fhci_ep0_free(struct fhci_usb *usb); | ||
569 | |||
570 | /* fhci-sched.c */ | ||
571 | extern struct tasklet_struct fhci_tasklet; | ||
572 | void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt); | ||
573 | void fhci_flush_all_transmissions(struct fhci_usb *usb); | ||
574 | void fhci_schedule_transactions(struct fhci_usb *usb); | ||
575 | void fhci_device_connected_interrupt(struct fhci_hcd *fhci); | ||
576 | void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci); | ||
577 | void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb); | ||
578 | u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci); | ||
579 | irqreturn_t fhci_irq(struct usb_hcd *hcd); | ||
580 | irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd); | ||
581 | |||
582 | /* fhci-q.h */ | ||
583 | void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb); | ||
584 | struct td *fhci_remove_td_from_ed(struct ed *ed); | ||
585 | struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame); | ||
586 | void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed); | ||
587 | struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame); | ||
588 | void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td); | ||
589 | struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list); | ||
590 | void fhci_done_td(struct urb *urb, struct td *td); | ||
591 | void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed); | ||
592 | |||
593 | #ifdef CONFIG_FHCI_DEBUG | ||
594 | |||
595 | void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er); | ||
596 | void fhci_dfs_destroy(struct fhci_hcd *fhci); | ||
597 | void fhci_dfs_create(struct fhci_hcd *fhci); | ||
598 | |||
599 | #else | ||
600 | |||
601 | static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {} | ||
602 | static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {} | ||
603 | static inline void fhci_dfs_create(struct fhci_hcd *fhci) {} | ||
604 | |||
605 | #endif /* CONFIG_FHCI_DEBUG */ | ||
606 | |||
607 | #endif /* __FHCI_H */ | ||