xref: /illumos-gate/usr/src/uts/common/sys/usb/hcd/ehci/ehcid.h (revision 9c75c6bf)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_USB_EHCID_H
28 #define	_SYS_USB_EHCID_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * Enchanced Host Controller Driver (EHCI)
38  *
39  * The EHCI driver is a software driver which interfaces to the Universal
40  * Serial Bus layer (USBA) and the Host Controller (HC). The interface to
41  * the Host Controller is defined by the EHCI Host Controller Interface.
42  *
43  * This header file describes the data structures and function prototypes
44  * required for the EHCI Driver to maintain state of Host Controller (HC),
45  * to perform different USB transfers and for the bandwidth allocations.
46  */
47 
48 #include <sys/usb/hcd/ehci/ehci.h>
49 #include <sys/usb/hcd/ehci/ehci_hub.h>
50 
51 
52 /*
53  * EHCI Bandwidth Maintainence Structure.
54  *
55  * The ehci_bandwidth array keeps track of allocated bandwidth for ehci
56  * host controller. There are 32 bandwidth lists corresponding to 32 ms
57  * periodic frame lists.  Each bandwidth list inturn will contain eight
58  * micro frame bandwidth lists.
59  */
60 #define	EHCI_MAX_UFRAMES	8	/* Max uframes 125us per frame */
61 
62 typedef struct ehci_frame_bandwidth {
63 	uint_t			ehci_allocated_frame_bandwidth;
64 	uint_t			ehci_micro_frame_bandwidth[EHCI_MAX_UFRAMES];
65 } ehci_frame_bandwidth_t;
66 
67 
68 /*
69  * EHCI Host Controller state structure
70  *
71  * The Host Controller Driver (HCD) maintains the state of Host Controller
72  * (HC). There is an ehci_state structure per instance	of the EHCI
73  * host controller.
74  */
75 typedef struct ehci_state {
76 	dev_info_t		*ehci_dip;		/* Dip of HC */
77 	uint_t			ehci_instance;
78 	usba_hcdi_ops_t		*ehci_hcdi_ops;		/* HCDI structure */
79 	uint_t			ehci_flags;		/* Used for cleanup */
80 	uint16_t		ehci_vendor_id;		/* chip vendor */
81 	uint16_t		ehci_device_id;		/* chip device */
82 	uint8_t			ehci_rev_id;		/* chip revison */
83 
84 	ddi_acc_handle_t	ehci_caps_handle;	/* Caps Reg Handle */
85 	ehci_caps_t		*ehci_capsp;		/* Capability Regs */
86 	ehci_regs_t		*ehci_regsp;		/* Operational Regs */
87 
88 	ddi_acc_handle_t	ehci_config_handle;	/* Config space hndle */
89 	uint_t			ehci_frame_interval;	/* Frme inter reg */
90 	ddi_dma_attr_t		ehci_dma_attr;		/* DMA attributes */
91 
92 	ddi_intr_handle_t	*ehci_htable;		/* intr handle */
93 	int			ehci_intr_type;		/* intr type used */
94 	int			ehci_intr_cnt;		/* # of intrs inuse */
95 	uint_t			ehci_intr_pri;		/* intr priority */
96 	int			ehci_intr_cap;		/* intr capabilities */
97 	boolean_t		ehci_msi_enabled;	/* default to true */
98 	kmutex_t		ehci_int_mutex;		/* Global EHCI mutex */
99 
100 	/* Periodic Frame List area */
101 	ehci_periodic_frame_list_t	*ehci_periodic_frame_list_tablep;
102 				/* Virtual Periodic Frame List ptr */
103 	ddi_dma_cookie_t	ehci_pflt_cookie;	/* DMA cookie */
104 	ddi_dma_handle_t	ehci_pflt_dma_handle;	/* DMA handle */
105 	ddi_acc_handle_t	ehci_pflt_mem_handle;	/* Memory handle */
106 
107 	/*
108 	 * There are two pools of memory. One pool contains the memory for
109 	 * the transfer descriptors and other pool contains the memory for
110 	 * the endpoint descriptors. The advantage of the pools is that it's
111 	 * easy to go back and forth between the iommu and the cpu addresses.
112 	 *
113 	 * The pools are protected by the ehci_int_mutex because the memory
114 	 * in the pools may be accessed by either the host controller or the
115 	 * host controller driver.
116 	 */
117 
118 	/* Endpoint descriptor pool */
119 	ehci_qh_t		*ehci_qh_pool_addr;	/* Start of the pool */
120 	ddi_dma_cookie_t	ehci_qh_pool_cookie;	/* DMA cookie */
121 	ddi_dma_handle_t	ehci_qh_pool_dma_handle;	/* DMA handle */
122 	ddi_acc_handle_t	ehci_qh_pool_mem_handle;	/* Mem handle */
123 	uint_t			ehci_dma_addr_bind_flag;	/* DMA flag */
124 
125 	/* General transfer descriptor pool */
126 	ehci_qtd_t		*ehci_qtd_pool_addr;	/* Start of the pool */
127 	ddi_dma_cookie_t	ehci_qtd_pool_cookie;	/* DMA cookie */
128 	ddi_dma_handle_t	ehci_qtd_pool_dma_handle;	/* DMA hndle */
129 	ddi_acc_handle_t	ehci_qtd_pool_mem_handle;	/* Mem hndle */
130 
131 	/* Isochronous transfer descriptor pool */
132 	ehci_itd_t		*ehci_itd_pool_addr;	/* Start of the pool */
133 	ddi_dma_cookie_t	ehci_itd_pool_cookie;	/* DMA cookie */
134 	ddi_dma_handle_t	ehci_itd_pool_dma_handle;	/* DMA hndle */
135 	ddi_acc_handle_t	ehci_itd_pool_mem_handle;	/* Mem hndle */
136 
137 	/* Condition variable for advance on Asynchronous Schedule */
138 	kcondvar_t		ehci_async_schedule_advance_cv;
139 
140 	/* Head of Asynchronous Schedule List */
141 	ehci_qh_t		*ehci_head_of_async_sched_list;
142 
143 	/*
144 	 * List of QTD inserted either into Asynchronous or Periodic
145 	 * Schedule lists.
146 	 */
147 	ehci_qtd_t		*ehci_active_qtd_list;
148 	/*
149 	 * List of ITD active itd list.
150 	 */
151 	ehci_itd_t		*ehci_active_itd_list;
152 
153 	/*
154 	 * Bandwidth fields
155 	 *
156 	 * The ehci_bandwidth array keeps track of allocated bandwidth for
157 	 * ehci host controller. There are 32 bandwidth lists corresponding
158 	 * to 32 ms periodic frame lists. Each bandwidth list in turn will
159 	 * contain eight micro frame bandwidth lists.
160 	 *
161 	 * ehci_min_frame_bandwidth field indicates least allocated milli
162 	 * second bandwidth list.
163 	 */
164 	ehci_frame_bandwidth_t	ehci_frame_bandwidth[EHCI_NUM_INTR_QH_LISTS];
165 
166 	/* No. of open pipes, async qh, and periodic qh */
167 	uint_t			ehci_open_pipe_count;
168 	uint_t			ehci_open_async_count;
169 	uint_t			ehci_open_periodic_count;
170 
171 	/*
172 	 * Endpoint Reclamation List
173 	 *
174 	 * The interrupt list processing cannot be stopped when a periodic
175 	 * endpoint is removed from the list.  The endpoints are detached
176 	 * from the interrupt lattice tree and put on to the reclaimation
177 	 * list. On next SOF interrupt all those endpoints,  which are on
178 	 * the reclaimation list will be deallocated.
179 	 */
180 	ehci_qh_t		*ehci_reclaim_list;	/* Reclaimation list */
181 
182 	ehci_root_hub_t		ehci_root_hub;		/* Root hub info */
183 
184 	/* Frame number overflow information */
185 	usb_frame_number_t	ehci_fno;
186 
187 	/* For host controller error counter */
188 	uint_t			ehci_hc_error;
189 
190 	/*
191 	 * ehci_missed_intr_sts is used to save the normal mode interrupt
192 	 * status information  if an interrupt is pending for normal mode
193 	 * when polled code is entered.
194 	 */
195 	uint_t			ehci_missed_intr_sts;
196 
197 	/*
198 	 * Saved copy of the ehci registers of the normal mode & change
199 	 * required ehci registers values for the polled mode operation.
200 	 * Before returning from the polled mode to normal mode replace
201 	 * the required current registers with this saved ehci registers
202 	 * copy.
203 	 */
204 	ehci_regs_t	ehci_polled_save_regs;
205 
206 	/*
207 	 * Saved copy of the interrupt table used in normal ehci mode and
208 	 * replace this table by another interrupt table that used in the
209 	 * POLLED mode.
210 	 */
211 	ehci_qh_t *ehci_polled_frame_list_table[EHCI_NUM_PERIODIC_FRAME_LISTS];
212 
213 	/* ehci polled mode enter counter */
214 	uint_t			ehci_polled_enter_count;
215 
216 	/*
217 	 * counter for polled mode and used in suspend mode to see if
218 	 * there is a keyboard connected.
219 	 */
220 	uint_t			ehci_polled_kbd_count;
221 
222 	/* counter for polled read and use it to clean the interrupt status */
223 	uint_t			ehci_polled_read_count;
224 
225 	/* EHCI Host Controller Software State information */
226 	uint_t			ehci_hc_soft_state;
227 
228 	/* Log handle for debug, console, log messages */
229 	usb_log_handle_t	ehci_log_hdl;
230 
231 	/* Kstat structures */
232 	kstat_t			*ehci_intrs_stats;
233 	kstat_t			*ehci_total_stats;
234 	kstat_t			*ehci_count_stats[USB_N_COUNT_KSTATS];
235 } ehci_state_t;
236 
237 typedef struct ehci_intrs_stats {
238 	struct kstat_named	ehci_sts_async_sched_status;
239 	struct kstat_named	ehci_sts_periodic_sched_status;
240 	struct kstat_named	ehci_sts_empty_async_schedule;
241 	struct kstat_named	ehci_sts_host_ctrl_halted;
242 	struct kstat_named	ehci_sts_async_advance_intr;
243 	struct kstat_named	ehci_sts_host_system_error_intr;
244 	struct kstat_named	ehci_sts_frm_list_rollover_intr;
245 	struct kstat_named	ehci_sts_rh_port_change_intr;
246 	struct kstat_named	ehci_sts_usb_error_intr;
247 	struct kstat_named	ehci_sts_usb_intr;
248 	struct kstat_named	ehci_sts_not_claimed;
249 	struct kstat_named	ehci_sts_total;
250 } ehci_intrs_stats_t;
251 
252 /*
253  * ehci kstat defines
254  */
255 #define	EHCI_INTRS_STATS(ehci)	((ehci)->ehci_intrs_stats)
256 #define	EHCI_INTRS_STATS_DATA(ehci)	\
257 	((ehci_intrs_stats_t *)EHCI_INTRS_STATS((ehci))->ks_data)
258 
259 #define	EHCI_TOTAL_STATS(ehci)	((ehci)->ehci_total_stats)
260 #define	EHCI_TOTAL_STATS_DATA(ehci)	(KSTAT_IO_PTR((ehci)->ehci_total_stats))
261 #define	EHCI_CTRL_STATS(ehci)	\
262 	(KSTAT_IO_PTR((ehci)->ehci_count_stats[USB_EP_ATTR_CONTROL]))
263 #define	EHCI_BULK_STATS(ehci)	\
264 	(KSTAT_IO_PTR((ehci)->ehci_count_stats[USB_EP_ATTR_BULK]))
265 #define	EHCI_INTR_STATS(ehci)	\
266 	(KSTAT_IO_PTR((ehci)->ehci_count_stats[USB_EP_ATTR_INTR]))
267 #define	EHCI_ISOC_STATS(ehci)	\
268 	(KSTAT_IO_PTR((ehci)->ehci_count_stats[USB_EP_ATTR_ISOCH]))
269 
270 /* warlock directives, stable data */
271 _NOTE(MUTEX_PROTECTS_DATA(ehci_state_t::ehci_int_mutex, ehci_state_t))
272 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_intr_pri))
273 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_dip))
274 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_regsp))
275 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_instance))
276 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_vendor_id))
277 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_device_id))
278 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_rev_id))
279 
280 /* this may not be stable data in the future */
281 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_qtd_pool_addr))
282 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_qtd_pool_mem_handle))
283 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_qtd_pool_cookie))
284 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_qh_pool_addr))
285 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_qh_pool_mem_handle))
286 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_qh_pool_cookie))
287 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_itd_pool_addr))
288 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_itd_pool_mem_handle))
289 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_itd_pool_cookie))
290 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_dma_addr_bind_flag))
291 _NOTE(DATA_READABLE_WITHOUT_LOCK(ehci_state_t::ehci_log_hdl))
292 
293 _NOTE(LOCK_ORDER(ehci_state::ehci_int_mutex \
294 		usba_pipe_handle_data::p_mutex \
295 		usba_device::usb_mutex \
296 		usba_ph_impl::usba_ph_mutex))
297 
298 /*
299  * Host Contoller Software States
300  *
301  * EHCI_CTLR_INIT_STATE:
302  *	The host controller soft state will be set to this during the
303  *	ehci_attach.
304  *
305  * EHCI_CTLR_SUSPEND_STATE:
306  *	The host controller soft state will be set to this during the
307  *	ehci_cpr_suspend.
308  *
309  * EHCI_CTLR_OPERATIONAL_STATE:
310  *	The host controller soft state will be set to this after moving
311  *	host controller to operational state and host controller start
312  *	generating SOF successfully.
313  *
314  * EHCI_CTLR_ERROR_STATE:
315  *	The host controller soft state will be set to this during the
316  *	no SOF or UE error conditions.
317  *
318  *	Under this state or condition, only pipe stop polling, pipe reset
319  *	and pipe close are allowed. But all other entry points like  pipe
320  *	open, get/set pipe policy, cotrol send/receive, bulk send/receive
321  *	isoch send/receive, start polling etc. will fail.
322  *
323  * State Diagram for the host controller software state
324  *
325  *
326  * ehci_attach->[INIT_STATE]
327  *	|
328  *	|	-------->----[ERROR_STATE]--<-----------<---
329  *	|      |      Failure (UE/no SOF condition)	    |
330  *	|      ^					    ^
331  *	V      |      Success				    |
332  * ehci_init_ctlr--->--------[OPERATIONAL_STATE]------>-ehci_send/recv/polling
333  *	^					    |
334  *	|					    |
335  *	|					    V
336  *	-<-ehci_cpr_resume--[SUSPEND_STATE]-<-ehci_cpr_suspend
337  */
338 #define	EHCI_CTLR_INIT_STATE		0	/* Initilization state */
339 #define	EHCI_CTLR_SUSPEND_STATE		1	/* Suspend state */
340 #define	EHCI_CTLR_OPERATIONAL_STATE	2	/* Operational state */
341 #define	EHCI_CTLR_ERROR_STATE		3	/* Ue error or no sof state */
342 
343 /*
344  * Periodic and non-periodic macros
345  */
346 #define	EHCI_PERIODIC_ENDPOINT(endpoint) (((endpoint->bmAttributes &\
347 				USB_EP_ATTR_MASK) == USB_EP_ATTR_INTR) ||\
348 				((endpoint->bmAttributes &\
349 				USB_EP_ATTR_MASK) == USB_EP_ATTR_ISOCH))
350 
351 #define	EHCI_NON_PERIODIC_ENDPOINT(endpoint) (((endpoint->bmAttributes &\
352 				USB_EP_ATTR_MASK) == USB_EP_ATTR_CONTROL) ||\
353 				((endpoint->bmAttributes &\
354 				USB_EP_ATTR_MASK) == USB_EP_ATTR_BULK))
355 
356 #define	EHCI_ISOC_ENDPOINT(endpoint) (((endpoint->bmAttributes &\
357 				USB_EP_ATTR_MASK) == USB_EP_ATTR_ISOCH))
358 
359 #define	EHCI_INTR_ENDPOINT(endpoint) (((endpoint->bmAttributes &\
360 				USB_EP_ATTR_MASK) == USB_EP_ATTR_INTR))
361 
362 
363 /*
364  * EHCI QH and QTD Pool sizes.
365  */
366 #define	EHCI_QH_POOL_SIZE	100
367 #define	EHCI_QTD_POOL_SIZE	200
368 #define	EHCI_ITD_POOL_SIZE	200
369 
370 /*
371  * ehci_dma_addr_bind_flag values
372  *
373  * This flag indicates if the various DMA addresses allocated by the EHCI
374  * have been bound to their respective handles. This is needed to recover
375  * without errors from ehci_cleanup when it calls ddi_dma_unbind_handle()
376  */
377 #define	EHCI_QTD_POOL_BOUND	0x01	/* For QTD pools  */
378 #define	EHCI_QH_POOL_BOUND	0x02	/* For QH pools  */
379 #define	EHCI_PFLT_DMA_BOUND	0x04	/* For Periodic Frame List area */
380 #define	EHCI_ITD_POOL_BOUND	0x08	/* For QTD pools  */
381 
382 /*
383  * Maximum SOF wait count
384  */
385 #define	MAX_SOF_WAIT_COUNT	2	/* Wait for maximum SOF frames */
386 
387 /*
388  * One uFrame	125 micro seconds
389  * One Frame	1 milli second or 8 uFrames
390  */
391 #define	EHCI_uFRAMES_PER_USB_FRAME		8
392 #define	EHCI_uFRAMES_PER_USB_FRAME_SHIFT	3
393 
394 
395 /*
396  * Pipe private structure
397  *
398  * There is an instance of this structure per pipe.  This structure holds
399  * HCD specific pipe information.  A pointer to this structure is kept in
400  * the USBA pipe handle (usba_pipe_handle_data_t).
401  */
402 typedef struct ehci_pipe_private {
403 	usba_pipe_handle_data_t	*pp_pipe_handle;	/* Back ptr to handle */
404 	ehci_qh_t		*pp_qh;			/* Pipe's qh */
405 
406 	/* State of the pipe */
407 	uint_t			pp_state;		/* See below */
408 
409 	/* Local copy of the pipe policy */
410 	usb_pipe_policy_t	pp_policy;
411 
412 	/* For Periodic Pipes Only */
413 	uint_t			pp_pnode;		/* periodic node */
414 	uchar_t			pp_smask;		/* Start split mask */
415 	uchar_t			pp_cmask;		/* Comp split mask */
416 	uint_t			pp_cur_periodic_req_cnt; /* Curr req count */
417 	uint_t			pp_max_periodic_req_cnt; /* Max req count */
418 
419 	/* For Isochronous pipes only */
420 	usb_frame_number_t	pp_next_frame_number;	/* Next frame no */
421 
422 	/*
423 	 * Each pipe may have multiple transfer wrappers. Each transfer
424 	 * wrapper represents a USB transfer on the bus.  A transfer is
425 	 * made up of one or more transactions.
426 	 */
427 	struct ehci_trans_wrapper *pp_tw_head;	/* Head of the list */
428 	struct ehci_trans_wrapper *pp_tw_tail;	/* Tail of the list */
429 
430 	struct ehci_isoc_xwrapper *pp_itw_head;	/* Head of the list */
431 	struct ehci_isoc_xwrapper *pp_itw_tail;	/* Tail of the list */
432 
433 	/*
434 	 * Pipe's transfer timeout handling & this transfer timeout handling
435 	 * will be per pipe.
436 	 */
437 	struct ehci_trans_wrapper *pp_timeout_list;	/* Timeout list */
438 	timeout_id_t		pp_timer_id;		/* Timer id  */
439 
440 	/* Done td count */
441 	uint_t			pp_count_done_qtds;	/* Done td count */
442 
443 	/* Errors */
444 	usb_cr_t		pp_error;		/* Pipe error */
445 
446 	/* Condition variable for transfers completion event */
447 	kcondvar_t		pp_xfer_cmpl_cv;	/* Xfer completion */
448 
449 	/* Pipe flag */
450 	uint_t			pp_flag;		/* For polled mode */
451 
452 	/* Halting States */
453 	uint_t			pp_halt_state;		/* Is it halting */
454 
455 	/* Condition variable for halt completion event */
456 	kcondvar_t		pp_halt_cmpl_cv;	/* Xfer completion */
457 
458 	/*
459 	 * HCD gets Interrupt/Isochronous IN polling request only once and
460 	 * it has to insert next polling requests after completion of first
461 	 * request until either stop polling/pipe close is called. So  HCD
462 	 * has to take copy of the original Interrupt/Isochronous IN request.
463 	 */
464 	usb_opaque_t		pp_client_periodic_in_reqp;
465 } ehci_pipe_private_t;
466 
467 _NOTE(MUTEX_PROTECTS_DATA(ehci_state_t::ehci_int_mutex, ehci_pipe_private_t))
468 
469 /*
470  * Pipe states
471  *
472  * ehci pipe states will be similar to usba. Refer usbai.h.
473  */
474 #define	EHCI_PIPE_STATE_IDLE		1	/* Pipe is in ready state */
475 #define	EHCI_PIPE_STATE_ACTIVE		2	/* Pipe is in busy state */
476 #define	EHCI_PIPE_STATE_ERROR		3	/* Pipe is in error state */
477 
478 /* Additional ehci pipe states for the ehci_pipe_cleanup */
479 #define	EHCI_PIPE_STATE_CLOSE		4	/* Pipe close */
480 #define	EHCI_PIPE_STATE_RESET		5	/* Pipe reset */
481 #define	EHCI_PIPE_STATE_STOP_POLLING	6	/* Pipe stop polling */
482 
483 /*
484  * Pipe flag
485  *
486  * For polled mode flag.
487  */
488 #define	EHCI_POLLED_MODE_FLAG		1	/* Polled mode flag */
489 
490 /* Pipe specific flags */
491 #define	EHCI_ISOC_XFER_CONTINUE		1	/* For isoc transfers */
492 
493 /*
494  * Halting States
495  *  prevent halting from interleaving.
496  */
497 #define	EHCI_HALT_STATE_FREE		0	/* Pipe free to accept reqs */
498 #define	EHCI_HALT_STATE_HALTING		1	/* Currently Halting */
499 
500 /*
501  * Request values for Clear_TT_Buffer
502  */
503 #define	EHCI_CLEAR_TT_BUFFER_REQTYPE	(USB_DEV_REQ_TYPE_CLASS | \
504 					USB_DEV_REQ_RCPT_OTHER)
505 #define	EHCI_CLEAR_TT_BUFFER_BREQ	8
506 
507 /*
508  * USB frame offset
509  *
510  * Add appropriate frame offset to the current usb frame number and use it
511  * as a starting frame number for a given usb isochronous request.
512  */
513 #define	EHCI_FRAME_OFFSET		2	/* Frame offset */
514 
515 /*
516  * Different interrupt polling intervals supported for high speed
517  * devices and its range must be from 1 to 16 units. This value is
518  * used as th exponent for a 2 ^ (bInterval - 1). Ex: a Binterval
519  * of 4 means a period of 8us (2 ^ (4-1)).
520  *
521  * The following values are defined after above convertion in terms
522  * 125us units.
523  */
524 #define	EHCI_INTR_1US_POLL		1	/* 1us poll interval */
525 #define	EHCI_INTR_2US_POLL		2	/* 2us poll interval */
526 #define	EHCI_INTR_4US_POLL		4	/* 4us poll interval */
527 #define	EHCI_INTR_XUS_POLL		8	/* 8us and above */
528 
529 /*
530  * The following indecies are are used to calculate Start and complete
531  * masks as per the polling interval.
532  */
533 #define	EHCI_1US_MASK_INDEX		14	/* 1us mask index */
534 #define	EHCI_2US_MASK_INDEX		12	/* 2us mask index */
535 #define	EHCI_4US_MASK_INDEX		8	/* 4us mask index */
536 #define	EHCI_XUS_MASK_INDEX		0	/* 8us and above */
537 
538 /*
539  * Different interrupt polling intervals supported for low/full/high
540  * speed devices. For high speed devices, the following values are
541  * applicable after convertion.
542  */
543 #define	EHCI_INTR_1MS_POLL		1	/* 1ms poll interval */
544 #define	EHCI_INTR_2MS_POLL		2	/* 2ms poll interval */
545 #define	EHCI_INTR_4MS_POLL		4	/* 4ms poll interval */
546 #define	EHCI_INTR_8MS_POLL		8	/* 8ms poll interval */
547 #define	EHCI_INTR_16MS_POLL		16	/* 16ms poll interval */
548 #define	EHCI_INTR_32MS_POLL		32	/* 32ms poll interval */
549 
550 /*
551  * Number of interrupt transfer requests that should be maintained on
552  * the interrupt endpoint corresponding to different polling intervals
553  * supported.
554  */
555 #define	EHCI_INTR_1MS_REQS		4	/* 1ms polling interval */
556 #define	EHCI_INTR_2MS_REQS		2	/* 2ms polling interval */
557 #define	EHCI_INTR_XMS_REQS		1	/* Between 4ms and 32ms */
558 
559 /* Function prototype */
560 typedef void (*ehci_handler_function_t)(
561 	ehci_state_t			*ehcip,
562 	ehci_pipe_private_t		*pp,
563 	struct ehci_trans_wrapper	*tw,
564 	ehci_qtd_t			*qtd,
565 	void				*ehci_handle_callback_value);
566 
567 
568 /*
569  * Transfer wrapper
570  *
571  * The transfer wrapper represents a USB transfer on the bus and there
572  * is one instance per USB transfer.  A transfer is made up of one or
573  * more transactions.
574  *
575  * Control and bulk pipes will have one transfer wrapper per transfer
576  * and where as Isochronous and Interrupt pipes will only have one
577  * transfer wrapper. The transfers wrapper are continually reused for
578  * the Interrupt and Isochronous pipes as those pipes are polled.
579  */
580 typedef struct ehci_trans_wrapper {
581 	struct ehci_trans_wrapper	*tw_next;	/* Next wrapper */
582 	ehci_pipe_private_t		*tw_pipe_private; /* Back ptr */
583 	ddi_dma_handle_t		tw_dmahandle;	/* DMA handle */
584 	ddi_acc_handle_t		tw_accesshandle; /* Acc hndle */
585 	ddi_dma_cookie_t		tw_cookie;	/* DMA cookie */
586 	uint32_t			tw_id;		/* 32bit ID */
587 	size_t				tw_length;	/* Txfer length */
588 	char				*tw_buf;	/* Buffer for Xfer */
589 	usb_flags_t			tw_flags;	/* Flags */
590 	uint_t				tw_num_qtds;	/* Number of QTDs */
591 	ehci_qtd_t			*tw_qtd_head;	/* Head QTD */
592 	ehci_qtd_t			*tw_qtd_tail;	/* Tail QTD */
593 	uint_t				tw_direction;	/* Direction of QTD */
594 
595 	/* Current transfer request pointer */
596 	usb_opaque_t			tw_curr_xfer_reqp;
597 
598 	/* Transfer timeout information */
599 	int				tw_timeout;	/* Timeout value */
600 	struct ehci_trans_wrapper	*tw_timeout_next; /* Xfer Timeout Q */
601 
602 	/*
603 	 * This is the function to call when this td is done. This way
604 	 * we don't have to look in the td to figure out what kind it is.
605 	 */
606 	ehci_handler_function_t		tw_handle_qtd;
607 
608 	/*
609 	 * This is the callback value used when processing a done td.
610 	 */
611 	usb_opaque_t			tw_handle_callback_value;
612 
613 	/* We preallocate all the td's for each tw and place them here */
614 	ehci_qtd_t			*tw_qtd_free_list;
615 	ehci_qtd_t			*tw_alt_qtd;
616 } ehci_trans_wrapper_t;
617 
618 _NOTE(MUTEX_PROTECTS_DATA(ehci_state_t::ehci_int_mutex, ehci_trans_wrapper))
619 
620 /*
621  * Isochronous Transfer Wrapper
622  *
623  * This transfer wrapper is built specifically for the LOW/FULL/HIGH speed
624  * isochronous transfers.  A transfer wrapper consists of one or more
625  * transactionsl, but there is one one instance per USB transfer request.
626  *
627  * The isochrnous transfer wrapper are continiously reused because these
628  * pipes are polled.
629  */
630 typedef struct ehci_isoc_xwrapper {
631 	struct ehci_isoc_xwrapper	*itw_next;	/* Next wrapper in pp */
632 	ehci_pipe_private_t		*itw_pipe_private;
633 
634 	/* DMA and memory pointers */
635 	ddi_dma_handle_t		itw_dmahandle;	/* DMA handle ETT */
636 	ddi_acc_handle_t		itw_accesshandle; /* Acc hndle */
637 	ddi_dma_cookie_t		itw_cookie;	/* DMA cookie */
638 
639 	/* Transfer information */
640 	char				*itw_buf;	/* Buffer for Xfer */
641 	size_t				itw_length;	/* Txfer length */
642 	usb_flags_t			itw_flags;	/* Flags */
643 	usb_port_status_t		itw_port_status; /* Port Speed */
644 	uint_t				itw_direction;	/* Direction of ITD */
645 
646 	/* ITD information */
647 	uint_t				itw_num_itds;	/* Number of ITDs */
648 	ehci_itd_t			*itw_itd_head;	/* Head ITD */
649 	ehci_itd_t			*itw_itd_tail;	/* Tail ITD */
650 	usb_isoc_req_t			*itw_curr_xfer_reqp;
651 	usb_isoc_pkt_descr_t		*itw_curr_isoc_pktp;
652 
653 	/* We preallocate all the td's for each tw and place them here */
654 	ehci_itd_t			*itw_itd_free_list;
655 
656 	/* Device and hub information needed by every iTD */
657 	uint_t				itw_hub_addr;
658 	uint_t				itw_hub_port;
659 	uint_t				itw_endpoint_num;
660 	uint_t				itw_device_addr;
661 
662 	/*
663 	 * Callback handling function and arguement.  Called when an iTD is
664 	 * is done.
665 	 */
666 	usb_opaque_t			itw_handle_callback_value;
667 
668 	/* 32bit ID */
669 	uint32_t			itw_id;
670 } ehci_isoc_xwrapper_t;
671 
672 _NOTE(MUTEX_PROTECTS_DATA(ehci_state_t::ehci_int_mutex, ehci_isoc_xwrapper_t))
673 
674 /*
675  * Time waits for the different EHCI specific operations.
676  * These timeout values are specified in terms of microseconds.
677  */
678 #define	EHCI_RESET_TIMEWAIT	10000	/* HC reset waiting time */
679 #define	EHCI_TIMEWAIT		10000	/* HC any other waiting time */
680 #define	EHCI_SOF_TIMEWAIT	20000	/* SOF Wait time */
681 #define	EHCI_TAKEOVER_DELAY	10000	/* HC take over waiting time */
682 #define	EHCI_TAKEOVER_WAIT_COUNT	25	/* HC take over waiting count */
683 
684 /* These timeout values are specified in seconds */
685 #define	EHCI_DEFAULT_XFER_TIMEOUT	5 /* Default transfer timeout */
686 #define	EHCI_XFER_CMPL_TIMEWAIT		3 /* Xfers completion timewait */
687 
688 /* EHCI flags for general use */
689 #define	EHCI_FLAGS_NOSLEEP	0x000	/* Don't wait for SOF */
690 #define	EHCI_FLAGS_SLEEP	0x100	/* Wait for SOF */
691 #define	EHCI_FLAGS_DMA_SYNC	0x200	/* Call ddi_dma_sync */
692 
693 /*
694  * Maximum allowable data transfer  size per transaction as supported
695  * by EHCI is 20k. (See EHCI Host Controller Interface Spec Rev 0.96)
696  *
697  * Also within QTD, there will be five buffer pointers abd each buffer
698  * pointer can transfer upto 4k bytes of data.
699  */
700 #define	EHCI_MAX_QTD_XFER_SIZE	0x5000	/* Maxmum data per transaction */
701 #define	EHCI_MAX_QTD_BUF_SIZE	0x1000	/* Maxmum data per buffer */
702 
703 /*
704  * The maximum allowable bulk data transfer size. It can be different
705  * from EHCI_MAX_QTD_XFER_SIZE and if it is more then ehci driver will
706  * take care of  breaking a bulk data request into  multiples of ehci
707  * EHCI_MAX_QTD_XFER_SIZE  until request is satisfied.	Currently this
708  * value is set to 640k bytes.
709  */
710 #define	EHCI_MAX_BULK_XFER_SIZE	0xA0000	/* Maximum bulk transfer size */
711 
712 /*
713  * Timeout flags
714  *
715  * These flags will be used to stop the timer before timeout handler
716  * gets executed.
717  */
718 #define	EHCI_REMOVE_XFER_IFLAST	1	/* Stop the timer if it is last QTD */
719 #define	EHCI_REMOVE_XFER_ALWAYS	2	/* Stop the timer without condition */
720 
721 
722 /*
723  * High speed bandwidth allocation
724  *
725  * The following definitions are used during bandwidth calculations
726  * for a given high speed endpoint or high speed split transactions.
727  */
728 #define	HS_BUS_BANDWIDTH	7500	/* Up to 7500 bytes per 125us */
729 #define	HS_MAX_POLL_INTERVAL	16	/* Max high speed polling interval */
730 #define	HS_MIN_POLL_INTERVAL	1	/* Min high speed polling interval */
731 #define	HS_SOF			12	/* Length in bytes of High speed SOF */
732 #define	HS_EOF			70	/* Length in bytes of High speed EOF */
733 #define	TREE_HEIGHT		5	/* Log base 2 of 32 */
734 
735 /*
736  * As per USB 2.0 specification section 5.5.4, 20% of bus time is reserved
737  * for the non-periodic high-speed transfers. Where as peridoic high-speed
738  * transfers will get 80% of the bus time. In one micro-frame or 125us, we
739  * can transfer 7500 bytes or 60,000 bits.
740  */
741 #define	HS_NON_PERIODIC_BANDWIDTH	1500
742 #define	HS_PERIODIC_BANDWIDTH		(HS_BUS_BANDWIDTH - HS_SOF - \
743 					HS_EOF - HS_NON_PERIODIC_BANDWIDTH)
744 
745 /*
746  * High speed periodic frame bandwidth will be eight times the micro frame
747  * high speed periodic bandwidth.
748  */
749 #define	HS_PERIODIC_FRAME_BANDWIDTH	HS_PERIODIC_BANDWIDTH * EHCI_MAX_UFRAMES
750 
751 /*
752  * The following are the protocol overheads in terms of Bytes for the
753  * different transfer types.  All these protocol overhead  values are
754  * derived from the 5.11.3 section of USB 2.0 Specification.
755  */
756 #define	HS_NON_ISOC_PROTO_OVERHEAD	55
757 #define	HS_ISOC_PROTO_OVERHEAD		38
758 
759 /*
760  * The following are THE protocol overheads in terms of Bytes for the
761  * start and complete split transactions tokens overheads.  All these
762  * protocol overhead values are derived from the 8.4.2.2 and 8.4.2.3
763  * of USB2.0 Specification.
764  */
765 #define	START_SPLIT_OVERHEAD		04
766 #define	COMPLETE_SPLIT_OVERHEAD		04
767 
768 /*
769  * The Host Controller (HC) delays are the USB host controller specific
770  * delays. The value shown below is the host  controller delay for  the
771  * given EHCI host controller.
772  */
773 #define	EHCI_HOST_CONTROLLER_DELAY	18
774 
775 /*
776  * Low/Full speed bandwidth allocation
777  *
778  * The following definitions are used during bandwidth calculations for
779  * a given high speed hub or  a transaction translator	(TT) and  for a
780  * given low/full speed device connected to high speed hub or TT  using
781  * split transactions
782  */
783 #define	FS_BUS_BANDWIDTH	1500	/* Up to 1500 bytes per 1ms */
784 #define	FS_MAX_POLL_INTERVAL	255	/* Max full speed poll interval */
785 #define	FS_MIN_POLL_INTERVAL	1	/* Min full speed polling interval */
786 #define	FS_SOF			6	/* Length in bytes of Full speed SOF */
787 #define	FS_EOF			4	/* Length in bytes of Full speed EOF */
788 
789 /*
790  * Minimum polling interval for low speed endpoint
791  *
792  * According USB 2.0 Specification, a full-speed endpoint can specify
793  * a desired polling interval 1ms to 255ms and a low speed endpoints
794  * are limited to specifying only 10ms to 255ms. But some old keyboards
795  * and mice uses polling interval of 8ms. For compatibility purpose,
796  * we are using polling interval between 8ms and 255ms for low speed
797  * endpoints. The ehci driver will use 8ms polling interval if a low
798  * speed device reports a polling interval that is less than 8ms.
799  */
800 #define	LS_MAX_POLL_INTERVAL	255	/* Max low speed poll interval */
801 #define	LS_MIN_POLL_INTERVAL	8	/* Min low speed polling interval */
802 
803 /*
804  * For non-periodic transfers, reserve atleast for one low-speed device
805  * transaction. According to USB Bandwidth Analysis white paper and also
806  * as per OHCI Specification 1.0a, section 7.3.5, page 123, one low-speed
807  * transaction takes 0x628h full speed bits (197 bytes), which comes to
808  * around 13% of USB frame time.
809  *
810  * The periodic transfers will	get around 87% of USB frame time.
811  */
812 #define	FS_NON_PERIODIC_BANDWIDTH	197
813 #define	FS_PERIODIC_BANDWIDTH		(FS_BUS_BANDWIDTH - FS_SOF - \
814 					FS_EOF - FS_NON_PERIODIC_BANDWIDTH)
815 
816 /*
817  * The following are the protocol overheads in terms of Bytes for the
818  * different transfer types.  All these protocol overhead  values are
819  * derived from the 5.11.3 section of USB Specification	and  with the
820  * help of Bandwidth Analysis white paper which is posted on the  USB
821  * developer forum.
822  */
823 #define	FS_NON_ISOC_PROTO_OVERHEAD	14
824 #define	FS_ISOC_INPUT_PROTO_OVERHEAD	11
825 #define	FS_ISOC_OUTPUT_PROTO_OVERHEAD	10
826 #define	LOW_SPEED_PROTO_OVERHEAD	97
827 #define	HUB_LOW_SPEED_PROTO_OVERHEAD	01
828 
829 /* The maximum amount of isoch data that can be transferred in one uFrame */
830 #define	MAX_UFRAME_SITD_XFER		188
831 
832 /*
833  * The low speed clock below represents that to transmit one low-speed
834  * bit takes eight times more than one full speed bit time.
835  */
836 #define	LOW_SPEED_CLOCK			8
837 
838 /*
839  * The Transaction Translator (TT) delay is the additional time needed
840  * to execute low/full speed transaction from high speed split transaction
841  * for the low/full device connected to the high speed extrenal hub.
842  */
843 #define	TT_DELAY			18
844 
845 
846 /*
847  * Macros for setting/getting information
848  */
849 #define	Get_QH(addr)		ddi_get32(ehcip->ehci_qh_pool_mem_handle, \
850 					(uint32_t *)&addr)
851 
852 #define	Set_QH(addr, val)	ddi_put32(ehcip->ehci_qh_pool_mem_handle,  \
853 					((uint32_t *)&addr), \
854 					((int32_t)(val)))
855 
856 #define	Get_QTD(addr)		ddi_get32(ehcip->ehci_qtd_pool_mem_handle, \
857 					(uint32_t *)&addr)
858 
859 #define	Set_QTD(addr, val)	ddi_put32(ehcip->ehci_qtd_pool_mem_handle, \
860 					((uint32_t *)&addr), \
861 					((int32_t)(val)))
862 
863 #define	Get_ITD(addr)		ddi_get32(ehcip->ehci_itd_pool_mem_handle, \
864 					(uint32_t *)&addr)
865 
866 #define	Set_ITD(addr, val)	ddi_put32(ehcip->ehci_itd_pool_mem_handle, \
867 					((uint32_t *)&addr), \
868 					((int32_t)(val)))
869 
870 #define	Get_ITD_BODY(ptr, addr)		ddi_get32( \
871 					    ehcip->ehci_itd_pool_mem_handle, \
872 					    (uint32_t *)&ptr->itd_body[addr])
873 
874 #define	Set_ITD_BODY(ptr, addr, val)	ddi_put32( \
875 					    ehcip->ehci_itd_pool_mem_handle, \
876 					    ((uint32_t *)&ptr->itd_body[addr]),\
877 					    ((int32_t)(val)))
878 
879 #define	Get_ITD_FRAME(addr)		ddi_get64( \
880 					    ehcip->ehci_itd_pool_mem_handle, \
881 					    (uint64_t *)&addr)
882 
883 #define	Set_ITD_FRAME(addr, val)	ddi_put64( \
884 					    ehcip->ehci_itd_pool_mem_handle, \
885 					    ((uint64_t *)&addr), \
886 					    (val))
887 
888 #define	Get_PFLT(addr)		ddi_get32(ehcip->ehci_pflt_mem_handle, \
889 					(uint32_t *)&addr)
890 
891 #define	Set_PFLT(addr, val)	ddi_put32(ehcip->ehci_pflt_mem_handle, \
892 					((uint32_t *)&addr), \
893 					((int32_t)(uintptr_t)(val)))
894 
895 #define	Get_8Cap(addr)		ddi_get8(ehcip->ehci_caps_handle, \
896 					(uint8_t *)&ehcip->ehci_capsp->addr)
897 
898 #define	Get_16Cap(addr)		ddi_get16(ehcip->ehci_caps_handle, \
899 					(uint16_t *)&ehcip->ehci_capsp->addr)
900 
901 #define	Get_Cap(addr)		ddi_get32(ehcip->ehci_caps_handle, \
902 					(uint32_t *)&ehcip->ehci_capsp->addr)
903 
904 #define	Get_OpReg(addr)		ddi_get32(ehcip->ehci_caps_handle, \
905 					(uint32_t *)&ehcip->ehci_regsp->addr)
906 
907 #define	Set_OpReg(addr, val)	ddi_put32(ehcip->ehci_caps_handle, \
908 				((uint32_t *)&ehcip->ehci_regsp->addr), \
909 					((int32_t)(val)))
910 
911 #define	Sync_QH_QTD_Pool(ehcip) (void) ddi_dma_sync( \
912 				ehcip->ehci_qh_pool_dma_handle, \
913 				0, EHCI_QH_POOL_SIZE * sizeof (ehci_qh_t), \
914 				DDI_DMA_SYNC_FORCPU); \
915 				(void) ddi_dma_sync( \
916 				ehcip->ehci_qtd_pool_dma_handle, \
917 				0, EHCI_QTD_POOL_SIZE * sizeof (ehci_qtd_t), \
918 				DDI_DMA_SYNC_FORCPU);
919 
920 #define	Sync_ITD_Pool(ehcip) (void) ddi_dma_sync( \
921 				ehcip->ehci_itd_pool_dma_handle, \
922 				0, EHCI_ITD_POOL_SIZE * sizeof (ehci_itd_t), \
923 				DDI_DMA_SYNC_FORCPU);
924 
925 #define	Sync_IO_Buffer(dma_handle, length) \
926 				(void) ddi_dma_sync(dma_handle, \
927 				0, length, DDI_DMA_SYNC_FORCPU);
928 
929 #define	Sync_IO_Buffer_for_device(dma_handle, length) \
930 				(void) ddi_dma_sync(dma_handle, \
931 				0, length, DDI_DMA_SYNC_FORDEV);
932 
933 /*
934  * Macros to speed handling of 32bit IDs
935  */
936 #define	EHCI_GET_ID(x)		id32_alloc((void *)(x), KM_SLEEP)
937 #define	EHCI_LOOKUP_ID(x)	id32_lookup((x))
938 #define	EHCI_FREE_ID(x)		id32_free((x))
939 
940 
941 /*
942  * Miscellaneous definitions.
943  */
944 
945 /* Data toggle bits */
946 #define	DATA0		0
947 #define	DATA1		1
948 
949 /* Halt bit actions */
950 #define	CLEAR_HALT	0
951 #define	SET_HALT	1
952 
953 typedef uint_t		halt_bit_t;
954 
955 /*
956  * Setup Packet
957  */
958 typedef struct setup_pkt {
959 	uchar_t	bmRequestType;
960 	uchar_t	bRequest;
961 	ushort_t wValue;
962 	ushort_t wIndex;
963 	ushort_t wLength;
964 }setup_pkt_t;
965 
966 #define	SETUP_SIZE		8	/* Setup packet is always 8 bytes */
967 
968 #define	REQUEST_TYPE_OFFSET	0
969 #define	REQUEST_OFFSET		1
970 #define	VALUE_OFFSET		2
971 #define	INDEX_OFFSET		4
972 #define	LENGTH_OFFSET		6
973 
974 #define	TYPE_DEV_TO_HOST	0x80000000
975 #define	DEVICE			0x00000001
976 #define	CONFIGURATION		0x00000002
977 
978 /*
979  * The following are used in attach to	 indicate
980  * what has been succesfully allocated, so detach
981  * can remove them.
982  */
983 #define	EHCI_ATTACH		0x01	/* ehci driver initilization */
984 #define	EHCI_ZALLOC		0x02	/* Memory for ehci state structure */
985 #define	EHCI_INTR		0x04	/* Interrupt handler registered */
986 #define	EHCI_USBAREG		0x08	/* USBA registered */
987 #define	EHCI_RHREG		0x10	/* Root hub driver loaded */
988 
989 /*
990  * This variable is used in the EHCI_FLAGS to tell the ISR to broadcase
991  * the ehci_async_schedule_advance_cv when an intr occurs.  It is used to
992  * make sure that EHCI is receiving interrupts.
993  */
994 #define	EHCI_CV_INTR		0x20	/* Ask INTR to broadcast cv */
995 
996 #define	EHCI_UNIT(dev)	(getminor((dev)) & ~HUBD_IS_ROOT_HUB)
997 
998 /*
999  * Debug printing
1000  * Masks
1001  */
1002 #define	PRINT_MASK_ATTA		0x00000001	/* Attach time */
1003 #define	PRINT_MASK_LISTS	0x00000002	/* List management */
1004 #define	PRINT_MASK_ROOT_HUB	0x00000004	/* Root hub stuff */
1005 #define	PRINT_MASK_ALLOC	0x00000008	/* Alloc/dealloc descr */
1006 #define	PRINT_MASK_INTR		0x00000010	/* Interrupt handling */
1007 #define	PRINT_MASK_BW		0x00000020	/* Bandwidth */
1008 #define	PRINT_MASK_CBOPS	0x00000040	/* CB-OPS */
1009 #define	PRINT_MASK_HCDI		0x00000080	/* HCDI entry points */
1010 #define	PRINT_MASK_DUMPING	0x00000100	/* Dump ehci info */
1011 #define	PRINT_MASK_ALL		0xFFFFFFFF
1012 
1013 /*
1014  * workaround for ALI chips
1015  */
1016 #define	PCI_VENDOR_ALI		0x10b9		/* PCI Vendor-id Acer */
1017 
1018 /*
1019  * NEC on COMBO and Uli M1575 can support PM
1020  */
1021 #define	PCI_VENDOR_NEC_COMBO	0x1033
1022 #define	PCI_DEVICE_NEC_COMBO	0xe0
1023 #define	PCI_VENDOR_ULi_M1575	0x10b9
1024 #define	PCI_DEVICE_ULi_M1575	0x5239
1025 
1026 /*
1027  * VIA chips have some problems, the workaround can ensure those chips
1028  * work reliably. Revisions >= 0x80 are part of a southbridge and appear
1029  * to be reliable.
1030  */
1031 #define	PCI_VENDOR_VIA		0x1106		/* PCI Vendor-id VIA */
1032 #define	PCI_VIA_REVISION_6212	0x80		/* VIA 6212 revision ID */
1033 
1034 #define	EHCI_VIA_LOST_INTERRUPTS	0x01
1035 #define	EHCI_VIA_ASYNC_SCHEDULE		0x02
1036 #define	EHCI_VIA_REDUCED_MAX_BULK_XFER_SIZE	0x04
1037 
1038 #define	EHCI_VIA_WORKAROUNDS \
1039 	(EHCI_VIA_LOST_INTERRUPTS | \
1040 	EHCI_VIA_ASYNC_SCHEDULE | \
1041 	EHCI_VIA_REDUCED_MAX_BULK_XFER_SIZE)
1042 
1043 #define	EHCI_VIA_MAX_BULK_XFER_SIZE 0x8000 /* Maximum bulk transfer size */
1044 
1045 
1046 /*
1047  * EHCI HCDI entry points
1048  *
1049  * The Host Controller Driver Interfaces (HCDI) are the software interfaces
1050  * between the Universal Serial Bus Driver (USBA) and the Host	Controller
1051  * Driver (HCD). The HCDI interfaces or entry points are subject to change.
1052  */
1053 int		ehci_hcdi_pipe_open(
1054 				usba_pipe_handle_data_t	*ph,
1055 				usb_flags_t		usb_flags);
1056 int		ehci_hcdi_pipe_close(
1057 				usba_pipe_handle_data_t	*ph,
1058 				usb_flags_t		usb_flags);
1059 int		ehci_hcdi_pipe_reset(
1060 				usba_pipe_handle_data_t	*ph,
1061 				usb_flags_t		usb_flags);
1062 int		ehci_hcdi_pipe_ctrl_xfer(
1063 				usba_pipe_handle_data_t	*ph,
1064 				usb_ctrl_req_t		*ctrl_reqp,
1065 				usb_flags_t		usb_flags);
1066 int		ehci_hcdi_bulk_transfer_size(
1067 				usba_device_t		*usba_device,
1068 				size_t			*size);
1069 int		ehci_hcdi_pipe_bulk_xfer(
1070 				usba_pipe_handle_data_t	*ph,
1071 				usb_bulk_req_t		*bulk_reqp,
1072 				usb_flags_t		usb_flags);
1073 int		ehci_hcdi_pipe_intr_xfer(
1074 				usba_pipe_handle_data_t	*ph,
1075 				usb_intr_req_t		*intr_req,
1076 				usb_flags_t		usb_flags);
1077 int		ehci_hcdi_pipe_stop_intr_polling(
1078 				usba_pipe_handle_data_t	*ph,
1079 				usb_flags_t		usb_flags);
1080 usb_frame_number_t ehci_hcdi_get_current_frame_number(
1081 				usba_device_t		*usba_device);
1082 uint_t		ehci_hcdi_get_max_isoc_pkts(
1083 				usba_device_t		*usba_device);
1084 int		ehci_hcdi_pipe_isoc_xfer(
1085 				usba_pipe_handle_data_t	*ph,
1086 				usb_isoc_req_t		*isoc_reqp,
1087 				usb_flags_t		usb_flags);
1088 int		ehci_hcdi_pipe_stop_isoc_polling(
1089 				usba_pipe_handle_data_t	*ph,
1090 				usb_flags_t		usb_flags);
1091 
1092 /*
1093  * EHCI Polled entry points function prototypes.
1094  */
1095 int		ehci_hcdi_polled_input_init(
1096 				usba_pipe_handle_data_t	*ph,
1097 				uchar_t			**polled_buf,
1098 				usb_console_info_impl_t	*info);
1099 int		ehci_hcdi_polled_input_enter(
1100 				usb_console_info_impl_t	*info);
1101 int		ehci_hcdi_polled_read(
1102 				usb_console_info_impl_t	*info,
1103 				uint_t			*num_characters);
1104 int		ehci_hcdi_polled_input_exit(
1105 				usb_console_info_impl_t	*info);
1106 int		ehci_hcdi_polled_input_fini(
1107 				usb_console_info_impl_t	*info);
1108 
1109 /*
1110  * EHCI Root Hub entry points function prototypes.
1111  */
1112 int		ehci_init_root_hub(
1113 				ehci_state_t		*ehcip);
1114 int		ehci_load_root_hub_driver(
1115 				ehci_state_t		*ehcip);
1116 int		ehci_unload_root_hub_driver(
1117 				ehci_state_t		*ehcip);
1118 int		ehci_handle_root_hub_pipe_open(
1119 				usba_pipe_handle_data_t	*ph,
1120 				usb_flags_t		flags);
1121 int		ehci_handle_root_hub_pipe_close(
1122 				usba_pipe_handle_data_t	*ph);
1123 int		ehci_handle_root_hub_pipe_reset(
1124 				usba_pipe_handle_data_t	*ph,
1125 				usb_flags_t		flags);
1126 int		ehci_handle_root_hub_request(
1127 				ehci_state_t		*ehcip,
1128 				usba_pipe_handle_data_t	*ph,
1129 				usb_ctrl_req_t		*ctrl_reqp);
1130 int		ehci_handle_root_hub_pipe_start_intr_polling(
1131 				usba_pipe_handle_data_t	*ph,
1132 				usb_intr_req_t		*intr_reqp,
1133 				usb_flags_t		flags);
1134 void		ehci_handle_root_hub_pipe_stop_intr_polling(
1135 				usba_pipe_handle_data_t	*ph,
1136 				usb_flags_t		flags);
1137 
1138 /*
1139  * EHCI Interrupt Handler entry point.
1140  */
1141 uint_t		ehci_intr(caddr_t			arg1,
1142 				caddr_t			arg2);
1143 
1144 #ifdef __cplusplus
1145 }
1146 #endif
1147 
1148 #endif /* _SYS_USB_EHCID_H */
1149