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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2001-2002 by David Brownell | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by the | |
6 | * Free Software Foundation; either version 2 of the License, or (at your | |
7 | * option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software Foundation, | |
16 | * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
17 | */ | |
18 | ||
19 | ||
20 | #ifdef __KERNEL__ | |
21 | ||
22 | /* This file contains declarations of usbcore internals that are mostly | |
23 | * used or exposed by Host Controller Drivers. | |
24 | */ | |
25 | ||
26 | /* | |
27 | * USB Packet IDs (PIDs) | |
28 | */ | |
29 | #define USB_PID_UNDEF_0 0xf0 | |
30 | #define USB_PID_OUT 0xe1 | |
31 | #define USB_PID_ACK 0xd2 | |
32 | #define USB_PID_DATA0 0xc3 | |
33 | #define USB_PID_PING 0xb4 /* USB 2.0 */ | |
34 | #define USB_PID_SOF 0xa5 | |
35 | #define USB_PID_NYET 0x96 /* USB 2.0 */ | |
36 | #define USB_PID_DATA2 0x87 /* USB 2.0 */ | |
37 | #define USB_PID_SPLIT 0x78 /* USB 2.0 */ | |
38 | #define USB_PID_IN 0x69 | |
39 | #define USB_PID_NAK 0x5a | |
40 | #define USB_PID_DATA1 0x4b | |
41 | #define USB_PID_PREAMBLE 0x3c /* Token mode */ | |
42 | #define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */ | |
43 | #define USB_PID_SETUP 0x2d | |
44 | #define USB_PID_STALL 0x1e | |
45 | #define USB_PID_MDATA 0x0f /* USB 2.0 */ | |
46 | ||
47 | /*-------------------------------------------------------------------------*/ | |
48 | ||
49 | /* | |
50 | * USB Host Controller Driver (usb_hcd) framework | |
51 | * | |
52 | * Since "struct usb_bus" is so thin, you can't share much code in it. | |
53 | * This framework is a layer over that, and should be more sharable. | |
54 | */ | |
55 | ||
56 | /*-------------------------------------------------------------------------*/ | |
57 | ||
58 | struct usb_hcd { /* usb_bus.hcpriv points to this */ | |
59 | ||
60 | /* | |
61 | * housekeeping | |
62 | */ | |
63 | struct usb_bus self; /* hcd is-a bus */ | |
64 | ||
65 | const char *product_desc; /* product/vendor string */ | |
66 | char irq_descr[24]; /* driver + bus # */ | |
67 | ||
d5926ae7 AS |
68 | struct timer_list rh_timer; /* drives root-hub polling */ |
69 | struct urb *status_urb; /* the current status urb */ | |
1da177e4 LT |
70 | |
71 | /* | |
72 | * hardware info/state | |
73 | */ | |
74 | const struct hc_driver *driver; /* hw-specific hooks */ | |
8de98402 BH |
75 | |
76 | /* Flags that need to be manipulated atomically */ | |
77 | unsigned long flags; | |
78 | #define HCD_FLAG_HW_ACCESSIBLE 0x00000001 | |
79 | #define HCD_FLAG_SAW_IRQ 0x00000002 | |
80 | ||
1da177e4 LT |
81 | unsigned can_wakeup:1; /* hw supports wakeup? */ |
82 | unsigned remote_wakeup:1;/* sw should use wakeup? */ | |
83 | unsigned rh_registered:1;/* is root hub registered? */ | |
84 | ||
d5926ae7 AS |
85 | /* The next flag is a stopgap, to be removed when all the HCDs |
86 | * support the new root-hub polling mechanism. */ | |
87 | unsigned uses_new_polling:1; | |
88 | unsigned poll_rh:1; /* poll for rh status? */ | |
89 | unsigned poll_pending:1; /* status has changed? */ | |
90 | ||
1da177e4 LT |
91 | int irq; /* irq allocated */ |
92 | void __iomem *regs; /* device memory/io */ | |
93 | u64 rsrc_start; /* memory/io resource start */ | |
94 | u64 rsrc_len; /* memory/io resource length */ | |
7d35b929 | 95 | unsigned power_budget; /* in mA, 0 = no limit */ |
1da177e4 LT |
96 | |
97 | #define HCD_BUFFER_POOLS 4 | |
98 | struct dma_pool *pool [HCD_BUFFER_POOLS]; | |
99 | ||
100 | int state; | |
101 | # define __ACTIVE 0x01 | |
102 | # define __SUSPEND 0x04 | |
103 | # define __TRANSIENT 0x80 | |
104 | ||
105 | # define HC_STATE_HALT 0 | |
106 | # define HC_STATE_RUNNING (__ACTIVE) | |
107 | # define HC_STATE_QUIESCING (__SUSPEND|__TRANSIENT|__ACTIVE) | |
108 | # define HC_STATE_RESUMING (__SUSPEND|__TRANSIENT) | |
109 | # define HC_STATE_SUSPENDED (__SUSPEND) | |
110 | ||
111 | #define HC_IS_RUNNING(state) ((state) & __ACTIVE) | |
112 | #define HC_IS_SUSPENDED(state) ((state) & __SUSPEND) | |
113 | ||
114 | /* more shared queuing code would be good; it should support | |
115 | * smarter scheduling, handle transaction translators, etc; | |
116 | * input size of periodic table to an interrupt scheduler. | |
117 | * (ohci 32, uhci 1024, ehci 256/512/1024). | |
118 | */ | |
119 | ||
120 | /* The HC driver's private data is stored at the end of | |
121 | * this structure. | |
122 | */ | |
123 | unsigned long hcd_priv[0] | |
124 | __attribute__ ((aligned (sizeof(unsigned long)))); | |
125 | }; | |
126 | ||
127 | /* 2.4 does this a bit differently ... */ | |
128 | static inline struct usb_bus *hcd_to_bus (struct usb_hcd *hcd) | |
129 | { | |
130 | return &hcd->self; | |
131 | } | |
132 | ||
133 | ||
134 | // urb.hcpriv is really hardware-specific | |
135 | ||
136 | struct hcd_timeout { /* timeouts we allocate */ | |
137 | struct list_head timeout_list; | |
138 | struct timer_list timer; | |
139 | }; | |
140 | ||
141 | /*-------------------------------------------------------------------------*/ | |
142 | ||
143 | /* | |
144 | * FIXME usb_operations should vanish or become hc_driver, | |
145 | * when usb_bus and usb_hcd become the same thing. | |
146 | */ | |
147 | ||
148 | struct usb_operations { | |
149 | int (*get_frame_number) (struct usb_device *usb_dev); | |
55016f10 | 150 | int (*submit_urb) (struct urb *urb, gfp_t mem_flags); |
1da177e4 LT |
151 | int (*unlink_urb) (struct urb *urb, int status); |
152 | ||
153 | /* allocate dma-consistent buffer for URB_DMA_NOMAPPING */ | |
154 | void *(*buffer_alloc)(struct usb_bus *bus, size_t size, | |
55016f10 | 155 | gfp_t mem_flags, |
1da177e4 LT |
156 | dma_addr_t *dma); |
157 | void (*buffer_free)(struct usb_bus *bus, size_t size, | |
158 | void *addr, dma_addr_t dma); | |
159 | ||
160 | void (*disable)(struct usb_device *udev, | |
161 | struct usb_host_endpoint *ep); | |
1da177e4 LT |
162 | }; |
163 | ||
164 | /* each driver provides one of these, and hardware init support */ | |
165 | ||
166 | struct pt_regs; | |
167 | ||
168 | struct hc_driver { | |
169 | const char *description; /* "ehci-hcd" etc */ | |
170 | const char *product_desc; /* product/vendor string */ | |
171 | size_t hcd_priv_size; /* size of private data */ | |
172 | ||
173 | /* irq handler */ | |
174 | irqreturn_t (*irq) (struct usb_hcd *hcd, struct pt_regs *regs); | |
175 | ||
176 | int flags; | |
177 | #define HCD_MEMORY 0x0001 /* HC regs use memory (else I/O) */ | |
178 | #define HCD_USB11 0x0010 /* USB 1.1 */ | |
179 | #define HCD_USB2 0x0020 /* USB 2.0 */ | |
180 | ||
181 | /* called to init HCD and root hub */ | |
182 | int (*reset) (struct usb_hcd *hcd); | |
183 | int (*start) (struct usb_hcd *hcd); | |
184 | ||
185 | /* NOTE: these suspend/resume calls relate to the HC as | |
5f827ea3 | 186 | * a whole, not just the root hub; they're for PCI bus glue. |
1da177e4 | 187 | */ |
5f827ea3 | 188 | /* called after suspending the hub, before entering D3 etc */ |
9a5d3e98 | 189 | int (*suspend) (struct usb_hcd *hcd, pm_message_t message); |
1da177e4 | 190 | |
5f827ea3 | 191 | /* called after entering D0 (etc), before resuming the hub */ |
1da177e4 LT |
192 | int (*resume) (struct usb_hcd *hcd); |
193 | ||
194 | /* cleanly make HCD stop writing memory and doing I/O */ | |
195 | void (*stop) (struct usb_hcd *hcd); | |
196 | ||
197 | /* return current frame number */ | |
198 | int (*get_frame_number) (struct usb_hcd *hcd); | |
199 | ||
200 | /* manage i/o requests, device state */ | |
201 | int (*urb_enqueue) (struct usb_hcd *hcd, | |
202 | struct usb_host_endpoint *ep, | |
203 | struct urb *urb, | |
55016f10 | 204 | gfp_t mem_flags); |
1da177e4 LT |
205 | int (*urb_dequeue) (struct usb_hcd *hcd, struct urb *urb); |
206 | ||
207 | /* hw synch, freeing endpoint resources that urb_dequeue can't */ | |
208 | void (*endpoint_disable)(struct usb_hcd *hcd, | |
209 | struct usb_host_endpoint *ep); | |
210 | ||
211 | /* root hub support */ | |
212 | int (*hub_status_data) (struct usb_hcd *hcd, char *buf); | |
213 | int (*hub_control) (struct usb_hcd *hcd, | |
214 | u16 typeReq, u16 wValue, u16 wIndex, | |
215 | char *buf, u16 wLength); | |
0c0382e3 AS |
216 | int (*bus_suspend)(struct usb_hcd *); |
217 | int (*bus_resume)(struct usb_hcd *); | |
1da177e4 | 218 | int (*start_port_reset)(struct usb_hcd *, unsigned port_num); |
d5926ae7 AS |
219 | void (*hub_irq_enable)(struct usb_hcd *); |
220 | /* Needed only if port-change IRQs are level-triggered */ | |
1da177e4 LT |
221 | }; |
222 | ||
223 | extern void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb, struct pt_regs *regs); | |
224 | ||
225 | extern struct usb_hcd *usb_create_hcd (const struct hc_driver *driver, | |
226 | struct device *dev, char *bus_name); | |
227 | extern void usb_put_hcd (struct usb_hcd *hcd); | |
228 | extern int usb_add_hcd(struct usb_hcd *hcd, | |
229 | unsigned int irqnum, unsigned long irqflags); | |
230 | extern void usb_remove_hcd(struct usb_hcd *hcd); | |
231 | ||
232 | #ifdef CONFIG_PCI | |
233 | struct pci_dev; | |
234 | struct pci_device_id; | |
235 | extern int usb_hcd_pci_probe (struct pci_dev *dev, | |
236 | const struct pci_device_id *id); | |
237 | extern void usb_hcd_pci_remove (struct pci_dev *dev); | |
238 | ||
239 | #ifdef CONFIG_PM | |
9a5d3e98 | 240 | extern int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t state); |
1da177e4 LT |
241 | extern int usb_hcd_pci_resume (struct pci_dev *dev); |
242 | #endif /* CONFIG_PM */ | |
243 | ||
244 | #endif /* CONFIG_PCI */ | |
245 | ||
246 | /* pci-ish (pdev null is ok) buffer alloc/mapping support */ | |
247 | int hcd_buffer_create (struct usb_hcd *hcd); | |
248 | void hcd_buffer_destroy (struct usb_hcd *hcd); | |
249 | ||
250 | void *hcd_buffer_alloc (struct usb_bus *bus, size_t size, | |
55016f10 | 251 | gfp_t mem_flags, dma_addr_t *dma); |
1da177e4 LT |
252 | void hcd_buffer_free (struct usb_bus *bus, size_t size, |
253 | void *addr, dma_addr_t dma); | |
254 | ||
255 | /* generic bus glue, needed for host controllers that don't use PCI */ | |
256 | extern irqreturn_t usb_hcd_irq (int irq, void *__hcd, struct pt_regs *r); | |
d5926ae7 | 257 | |
1da177e4 | 258 | extern void usb_hc_died (struct usb_hcd *hcd); |
d5926ae7 | 259 | extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); |
1da177e4 LT |
260 | |
261 | /* -------------------------------------------------------------------------- */ | |
262 | ||
263 | /* Enumeration is only for the hub driver, or HCD virtual root hubs */ | |
264 | extern struct usb_device *usb_alloc_dev(struct usb_device *parent, | |
265 | struct usb_bus *, unsigned port); | |
266 | extern int usb_new_device(struct usb_device *dev); | |
267 | extern void usb_disconnect(struct usb_device **); | |
268 | ||
269 | extern int usb_get_configuration(struct usb_device *dev); | |
270 | extern void usb_destroy_configuration(struct usb_device *dev); | |
271 | ||
272 | /*-------------------------------------------------------------------------*/ | |
273 | ||
274 | /* | |
275 | * HCD Root Hub support | |
276 | */ | |
277 | ||
278 | #include "hub.h" | |
279 | ||
280 | /* (shifted) direction/type/recipient from the USB 2.0 spec, table 9.2 */ | |
281 | #define DeviceRequest \ | |
282 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
283 | #define DeviceOutRequest \ | |
284 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) | |
285 | ||
286 | #define InterfaceRequest \ | |
287 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
288 | ||
289 | #define EndpointRequest \ | |
290 | ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
291 | #define EndpointOutRequest \ | |
292 | ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) | |
293 | ||
294 | /* class requests from the USB 2.0 hub spec, table 11-15 */ | |
295 | /* GetBusState and SetHubDescriptor are optional, omitted */ | |
296 | #define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE) | |
297 | #define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE) | |
298 | #define GetHubDescriptor (0xa000 | USB_REQ_GET_DESCRIPTOR) | |
299 | #define GetHubStatus (0xa000 | USB_REQ_GET_STATUS) | |
300 | #define GetPortStatus (0xa300 | USB_REQ_GET_STATUS) | |
301 | #define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE) | |
302 | #define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE) | |
303 | ||
304 | ||
305 | /*-------------------------------------------------------------------------*/ | |
306 | ||
307 | /* | |
308 | * Generic bandwidth allocation constants/support | |
309 | */ | |
310 | #define FRAME_TIME_USECS 1000L | |
311 | #define BitTime(bytecount) (7 * 8 * bytecount / 6) /* with integer truncation */ | |
312 | /* Trying not to use worst-case bit-stuffing | |
313 | of (7/6 * 8 * bytecount) = 9.33 * bytecount */ | |
314 | /* bytecount = data payload byte count */ | |
315 | ||
316 | #define NS_TO_US(ns) ((ns + 500L) / 1000L) | |
317 | /* convert & round nanoseconds to microseconds */ | |
318 | ||
319 | extern void usb_claim_bandwidth (struct usb_device *dev, struct urb *urb, | |
320 | int bustime, int isoc); | |
321 | extern void usb_release_bandwidth (struct usb_device *dev, struct urb *urb, | |
322 | int isoc); | |
323 | ||
324 | /* | |
325 | * Full/low speed bandwidth allocation constants/support. | |
326 | */ | |
327 | #define BW_HOST_DELAY 1000L /* nanoseconds */ | |
328 | #define BW_HUB_LS_SETUP 333L /* nanoseconds */ | |
329 | /* 4 full-speed bit times (est.) */ | |
330 | ||
331 | #define FRAME_TIME_BITS 12000L /* frame = 1 millisecond */ | |
332 | #define FRAME_TIME_MAX_BITS_ALLOC (90L * FRAME_TIME_BITS / 100L) | |
333 | #define FRAME_TIME_MAX_USECS_ALLOC (90L * FRAME_TIME_USECS / 100L) | |
334 | ||
335 | extern int usb_check_bandwidth (struct usb_device *dev, struct urb *urb); | |
336 | ||
337 | /* | |
498f78e6 | 338 | * Ceiling [nano/micro]seconds (typical) for that many bytes at high speed |
1da177e4 LT |
339 | * ISO is a bit less, no ACK ... from USB 2.0 spec, 5.11.3 (and needed |
340 | * to preallocate bandwidth) | |
341 | */ | |
342 | #define USB2_HOST_DELAY 5 /* nsec, guess */ | |
f956e7cd DB |
343 | #define HS_NSECS(bytes) ( ((55 * 8 * 2083) \ |
344 | + (2083UL * (3 + BitTime(bytes))))/1000 \ | |
1da177e4 | 345 | + USB2_HOST_DELAY) |
f956e7cd DB |
346 | #define HS_NSECS_ISO(bytes) ( ((38 * 8 * 2083) \ |
347 | + (2083UL * (3 + BitTime(bytes))))/1000 \ | |
1da177e4 | 348 | + USB2_HOST_DELAY) |
498f78e6 DS |
349 | #define HS_USECS(bytes) NS_TO_US (HS_NSECS(bytes)) |
350 | #define HS_USECS_ISO(bytes) NS_TO_US (HS_NSECS_ISO(bytes)) | |
1da177e4 LT |
351 | |
352 | extern long usb_calc_bus_time (int speed, int is_input, | |
353 | int isoc, int bytecount); | |
354 | ||
355 | /*-------------------------------------------------------------------------*/ | |
356 | ||
357 | extern struct usb_bus *usb_alloc_bus (struct usb_operations *); | |
358 | ||
1da177e4 LT |
359 | extern void usb_set_device_state(struct usb_device *udev, |
360 | enum usb_device_state new_state); | |
361 | ||
362 | /*-------------------------------------------------------------------------*/ | |
363 | ||
364 | /* exported only within usbcore */ | |
365 | ||
366 | extern struct list_head usb_bus_list; | |
4186ecf8 | 367 | extern struct mutex usb_bus_list_lock; |
1da177e4 LT |
368 | extern wait_queue_head_t usb_kill_urb_queue; |
369 | ||
370 | extern struct usb_bus *usb_bus_get (struct usb_bus *bus); | |
371 | extern void usb_bus_put (struct usb_bus *bus); | |
372 | ||
d5926ae7 AS |
373 | extern void usb_enable_root_hub_irq (struct usb_bus *bus); |
374 | ||
1da177e4 LT |
375 | extern int usb_find_interface_driver (struct usb_device *dev, |
376 | struct usb_interface *interface); | |
377 | ||
378 | #define usb_endpoint_out(ep_dir) (!((ep_dir) & USB_DIR_IN)) | |
379 | ||
0c0382e3 | 380 | #ifdef CONFIG_PM |
db2d55b7 AM |
381 | extern void usb_hcd_suspend_root_hub (struct usb_hcd *hcd); |
382 | extern void usb_hcd_resume_root_hub (struct usb_hcd *hcd); | |
1c50c317 | 383 | extern void usb_root_hub_lost_power (struct usb_device *rhdev); |
0c0382e3 AS |
384 | extern int hcd_bus_suspend (struct usb_bus *bus); |
385 | extern int hcd_bus_resume (struct usb_bus *bus); | |
386 | #else | |
db2d55b7 AM |
387 | static inline void usb_hcd_suspend_root_hub(struct usb_hcd *hcd) |
388 | { | |
389 | return; | |
390 | } | |
391 | ||
392 | static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd) | |
393 | { | |
394 | return; | |
395 | } | |
396 | ||
0c0382e3 AS |
397 | static inline int hcd_bus_suspend(struct usb_bus *bus) |
398 | { | |
399 | return 0; | |
400 | } | |
401 | ||
402 | static inline int hcd_bus_resume (struct usb_bus *bus) | |
403 | { | |
404 | return 0; | |
405 | } | |
406 | #endif /* CONFIG_PM */ | |
407 | ||
1da177e4 LT |
408 | /* |
409 | * USB device fs stuff | |
410 | */ | |
411 | ||
412 | #ifdef CONFIG_USB_DEVICEFS | |
413 | ||
414 | /* | |
415 | * these are expected to be called from the USB core/hub thread | |
416 | * with the kernel lock held | |
417 | */ | |
1da177e4 | 418 | extern void usbfs_update_special (void); |
1da177e4 LT |
419 | extern int usbfs_init(void); |
420 | extern void usbfs_cleanup(void); | |
421 | ||
422 | #else /* CONFIG_USB_DEVICEFS */ | |
423 | ||
1da177e4 | 424 | static inline void usbfs_update_special (void) {} |
1da177e4 LT |
425 | static inline int usbfs_init(void) { return 0; } |
426 | static inline void usbfs_cleanup(void) { } | |
427 | ||
428 | #endif /* CONFIG_USB_DEVICEFS */ | |
429 | ||
430 | /*-------------------------------------------------------------------------*/ | |
431 | ||
4749f32d | 432 | #if defined(CONFIG_USB_MON) |
1da177e4 LT |
433 | |
434 | struct usb_mon_operations { | |
435 | void (*urb_submit)(struct usb_bus *bus, struct urb *urb); | |
436 | void (*urb_submit_error)(struct usb_bus *bus, struct urb *urb, int err); | |
437 | void (*urb_complete)(struct usb_bus *bus, struct urb *urb); | |
438 | /* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */ | |
1da177e4 LT |
439 | }; |
440 | ||
441 | extern struct usb_mon_operations *mon_ops; | |
442 | ||
443 | static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) | |
444 | { | |
445 | if (bus->monitored) | |
446 | (*mon_ops->urb_submit)(bus, urb); | |
447 | } | |
448 | ||
449 | static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, | |
450 | int error) | |
451 | { | |
452 | if (bus->monitored) | |
453 | (*mon_ops->urb_submit_error)(bus, urb, error); | |
454 | } | |
455 | ||
456 | static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) | |
457 | { | |
458 | if (bus->monitored) | |
459 | (*mon_ops->urb_complete)(bus, urb); | |
460 | } | |
1da177e4 LT |
461 | |
462 | int usb_mon_register(struct usb_mon_operations *ops); | |
463 | void usb_mon_deregister(void); | |
464 | ||
465 | #else | |
466 | ||
467 | static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) {} | |
468 | static inline void usbmon_urb_submit_error(struct usb_bus *bus, struct urb *urb, | |
469 | int error) {} | |
470 | static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb) {} | |
1da177e4 LT |
471 | |
472 | #endif /* CONFIG_USB_MON */ | |
473 | ||
474 | /*-------------------------------------------------------------------------*/ | |
475 | ||
476 | /* hub.h ... DeviceRemovable in 2.4.2-ac11, gone in 2.4.10 */ | |
477 | // bleech -- resurfaced in 2.4.11 or 2.4.12 | |
478 | #define bitmap DeviceRemovable | |
479 | ||
480 | ||
481 | /*-------------------------------------------------------------------------*/ | |
482 | ||
483 | /* random stuff */ | |
484 | ||
485 | #define RUN_CONTEXT (in_irq () ? "in_irq" \ | |
486 | : (in_interrupt () ? "in_interrupt" : "can sleep")) | |
487 | ||
488 | ||
489 | #endif /* __KERNEL__ */ | |
490 |