xref: /haiku/src/add-ons/kernel/busses/usb/xhci_hardware.h (revision 692fe5550319c0342c9525e674b7f10105d977ee)
1 /*
2  * Copyright 2011-2012, Haiku Inc. All rights reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Jian Chiang <j.jian.chiang@gmail.com>
7  *		Jérôme Duval <jerome.duval@gmail.com>
8  *		Akshay Jaggi <akshay1994.leo@gmail.com>
9  */
10 #ifndef XHCI_HARDWARE_H
11 #define XHCI_HARDWARE_H
12 
13 // PCI IDs
14 #define	PCI_VENDOR_INTEL						0x8086
15 #define	PCI_DEVICE_INTEL_PANTHER_POINT_XHCI		0x1e31
16 #define	PCI_DEVICE_INTEL_LYNX_POINT_XHCI		0x8c31
17 #define	PCI_DEVICE_INTEL_LYNX_POINT_LP_XHCI		0x9c31
18 #define	PCI_DEVICE_INTEL_BAYTRAIL_XHCI			0x0f35
19 #define	PCI_DEVICE_INTEL_WILDCAT_POINT_XHCI		0x8cb1
20 #define	PCI_DEVICE_INTEL_WILDCAT_POINT_LP_XHCI	0x9cb1
21 
22 // Intel quirks registers in PCI config
23 #define	XHCI_INTEL_USB3PRM				0xdc	// USB 3.0 Port Routing Mask
24 #define	XHCI_INTEL_USB3_PSSEN			0xd8	// USB 3.0 Port SuperSpeed Enable
25 #define	XHCI_INTEL_USB2PRM				0xd4	// USB 2.0 Port Routing Mask
26 #define	XHCI_INTEL_XUSB2PR				0xd0	// USB 2.0 Port Routing
27 
28 // Host Controller Capability Registers
29 #define XHCI_HCI_CAPLENGTH	0x00		// HCI Capability Register Length
30 #define HCI_CAPLENGTH(p)		(((p) >> 0) & 0xff)
31 #define XHCI_HCI_VERSION	0x02		// HCI Interface Version Number
32 #define HCI_VERSION(p)			(((p) >> 0) & 0xffff)
33 #define XHCI_HCSPARAMS1		0x04		// Structural Parameters 1
34 // HCSPARAMS1
35 #define HCS_MAX_SLOTS(p)		(((p) >> 0) & 0xff)
36 #define HCS_MAX_PORTS(p)		(((p) >> 24) & 0xff)
37 #define XHCI_HCSPARAMS2		0x08		// Structural Parameters 2
38 #define HCS_IST(p)				(((p) >> 0) & 0xf)
39 #define HCS_ERST_MAX(p)			(((p) >> 4) & 0xf)
40 #define HCS_SPR(p)				(((p) >> 26) & 0x1)
41 #define HCS_MAX_SC_BUFFERS(p)	(((((p) >> 21) & 0x1f)<<5)|(((p) >> 27) & 0x1f))
42 #define XHCI_HCSPARAMS3		0x0C		// Structural Parameters 3
43 #define HCS_U1_DEVICE_LATENCY(p)	(((p) >> 0) & 0xff)
44 #define HCS_U2_DEVICE_LATENCY(p)	(((p) >> 16) & 0xffff)
45 #define XHCI_HCCPARAMS		0x10		// Capability Parameters
46 #define XHCI_DBOFF			0x14		// Doorbell Register offset
47 #define XHCI_RTSOFF			0x18		// Runtime Register Space offset
48 
49 
50 // Host Controller Operational Registers
51 #define XHCI_CMD			0x00		// USB Command
52 // USB Command Register
53 #define CMD_RUN				(1 << 0)
54 #define CMD_HCRST			(1 << 1)	// Host Controller Reset
55 #define CMD_EIE				(1 << 2)
56 #define CMD_HSEIE			(1 << 3)
57 
58 #define XHCI_STS			0x04		// USB Status
59 // USB Status Register
60 #define STS_HCH				(1 << 0)
61 #define STS_HSE				(1 << 2)
62 #define STS_EINT			(1 << 3)
63 #define STS_PCD				(1 << 4)
64 #define STS_CNR				(1 << 11)
65 #define STS_HCE				(1 << 12)
66 #define XHCI_PAGESIZE		0x08		// PAGE SIZE
67 #define XHCI_DNCTRL			0x14
68 // Section 5.4.5
69 #define XHCI_CRCR_LO		0x18
70 #define XHCI_CRCR_HI		0x1C
71 #define CRCR_RCS			(1<<0)
72 // Section 5.4.6
73 #define XHCI_DCBAAP_LO		0x30
74 #define XHCI_DCBAAP_HI		0x34
75 // Section 5.4.7
76 #define XHCI_CONFIG			0x38
77 
78 
79 // Host Controller Runtime Registers
80 // Section 5.5.2.1
81 #define XHCI_IMAN(n)		(0x0020 + (0x20 * (n)))
82 // IMAN
83 #define IMAN_INTR_ENA		0x00000002
84 // Section 5.5.2.2
85 #define XHCI_IMOD(n)		(0x0024 + (0x20 * (n)))
86 // Section 5.5.2.3.1
87 #define XHCI_ERSTSZ(n)		(0x0028 + (0x20 * (n)))
88 // ERSTSZ
89 #define XHCI_ERSTS_SET(x)	((x) & 0xFFFF)
90 // Section 5.5.2.3.2
91 #define XHCI_ERSTBA_LO(n)	(0x0030 + (0x20 * (n)))
92 #define XHCI_ERSTBA_HI(n)	(0x0034 + (0x20 * (n)))
93 // Section 5.5.2.3.3
94 #define XHCI_ERDP_LO(n)		(0x0038 + (0x20 * (n)))
95 #define XHCI_ERDP_HI(n)		(0x003C + (0x20 * (n)))
96 // Event Handler Busy (EHB)
97 #define ERST_EHB			(1 << 3)
98 
99 
100 // Host Controller Doorbell Registers
101 #define XHCI_DOORBELL(n)				(0x0000 + (4 * (n)))
102 #define XHCI_DOORBELL_TARGET(x)			((x) & 0xff)
103 #define XHCI_DOORBELL_TARGET_GET(x)		((x) & 0xff)
104 #define XHCI_DOORBELL_STREAMID(x)		(((x) & 0xffff) << 16)
105 #define XHCI_DOORBELL_STREAMID_GET(x)	(((x) >> 16) & 0xffff)
106 
107 
108 // Extended Capabilities
109 #define XECP_ID(x)				((x) & 0xff)
110 #define HCS0_XECP(x)			(((x) >> 16) & 0xffff)
111 #define XECP_NEXT(x)			(((x) >> 8) & 0xff)
112 #define XHCI_LEGSUP_CAPID		0x01
113 #define XHCI_LEGSUP_OSOWNED		(1 << 24)	// OS Owned Semaphore
114 #define XHCI_LEGSUP_BIOSOWNED	(1 << 16)	// BIOS Owned Semaphore
115 
116 #define XHCI_LEGCTLSTS				0x04
117 #define XHCI_LEGCTLSTS_DISABLE_SMI	((0x7 << 1) + (0xff << 5) + (0x7 << 17))
118 #define XHCI_LEGCTLSTS_EVENTS_SMI	(0x7 << 29)
119 
120 #define XHCI_SUPPORTED_PROTOCOLS_CAPID		0x02
121 #define XHCI_SUPPORTED_PROTOCOLS_0_MINOR(x)	(((x) >> 16) & 0xff)
122 #define XHCI_SUPPORTED_PROTOCOLS_0_MAJOR(x)	(((x) >> 24) & 0xff)
123 
124 #define XHCI_SUPPORTED_PROTOCOLS_1_COUNT(x)	(((x) >> 8) & 0xff)
125 #define XHCI_SUPPORTED_PROTOCOLS_1_OFFSET(x) (((x) >> 0) & 0xff)
126 
127 
128 
129 // Port status Registers
130 // Section 5.4.8
131 #define XHCI_PORTSC(n)			(0x400 + (0x10 * (n)))
132 #define PS_CCS					(1 << 0)
133 #define PS_PED					(1 << 1)
134 #define PS_OCA					(1 << 3)
135 #define PS_PR					(1 << 4)
136 #define PS_PP					(1 << 9)
137 #define PS_SPEED_GET(x)			(((x) >> 10) & 0xF)
138 #define PS_LWS					(1 << 16)
139 #define PS_CSC					(1 << 17)
140 #define PS_PEC					(1 << 18)
141 #define PS_WRC					(1 << 19)
142 #define PS_OCC					(1 << 20)
143 #define PS_PRC					(1 << 21)
144 #define PS_PLC					(1 << 22)
145 #define PS_CEC					(1 << 23)
146 #define PS_CAS					(1 << 24)
147 #define PS_WCE					(1 << 25)
148 #define PS_WDE					(1 << 26)
149 #define PS_WPR					(1 << 30)
150 
151 #define PS_CLEAR				0x80FF00F7U
152 
153 #define PS_PLS_MASK				(0xf << 5)
154 #define PS_XDEV_U0				(0x0 << 5)
155 #define PS_XDEV_U3				(0x3 << 5)
156 
157 
158 // Completion Code
159 #define TRB_2_COMP_CODE_GET(x)		(((x) >> 24) & 0xff)
160 #define COMP_INVALID				0
161 #define COMP_SUCCESS				1
162 #define COMP_DATA_BUFFER			2
163 #define COMP_BABBLE					3
164 #define COMP_USB_TRANSACTION		4
165 #define COMP_TRB					5
166 #define COMP_STALL					6
167 #define COMP_RESOURCE				7
168 #define COMP_BANDWIDTH				8
169 #define COMP_NO_SLOTS				9
170 #define COMP_INVALID_STREAM			10
171 #define COMP_SLOT_NOT_ENABLED		11
172 #define COMP_ENDPOINT_NOT_ENABLED	12
173 #define COMP_SHORT_PACKET			13
174 #define COMP_RING_UNDERRUN			14
175 #define COMP_RING_OVERRUN			15
176 #define COMP_VF_RING_FULL			16
177 #define COMP_PARAMETER				17
178 #define COMP_BANDWIDTH_OVERRUN		18
179 #define COMP_CONTEXT_STATE			19
180 #define COMP_NO_PING_RESPONSE		20
181 #define COMP_EVENT_RING_FULL		21
182 #define COMP_INCOMPATIBLE_DEVICE	22
183 #define COMP_MISSED_SERVICE			23
184 #define COMP_COMMAND_RING_STOPPED	24
185 #define COMP_COMMAND_ABORTED		25
186 #define COMP_STOPPED				26
187 #define COMP_LENGTH_INVALID			27
188 #define COMP_MAX_EXIT_LATENCY		29
189 #define COMP_ISOC_OVERRUN			31
190 #define COMP_EVENT_LOST				32
191 #define COMP_UNDEFINED				33
192 #define COMP_INVALID_STREAM_ID		34
193 #define COMP_SECONDARY_BANDWIDTH	35
194 #define COMP_SPLIT_TRANSACTION		36
195 
196 #define TRB_2_TD_SIZE(x)		(((x) & 0x1F) << 17)
197 #define TRB_2_TD_SIZE_GET(x)	(((x) >> 17) & 0x1F)
198 #define TRB_2_REM(x)			((x) & 0xFFFFFF)
199 #define TRB_2_REM_GET(x)		((x) & 0xFFFFFF)
200 #define TRB_2_BYTES(x)			((x) & 0x1FFFF)
201 #define TRB_2_BYTES_GET(x)		((x) & 0x1FFFF)
202 #define TRB_2_IRQ(x)			(((x) & 0x3FF) << 22)
203 #define TRB_2_IRQ_GET(x)		(((x) >> 22) & 0x3FF)
204 #define TRB_2_STREAM(x)			(((x) & 0xFF) << 16)
205 #define TRB_2_STREAM_GET(x)		(((x) >> 16) & 0xFF)
206 
207 #define TRB_3_TYPE(x)			(((x) & 0x3F) << 10)
208 #define TRB_3_TYPE_GET(x)		(((x) >> 10) & 0x3F)
209 // TRB Type (table 131)
210 #define TRB_TYPE_NORMAL					1
211 #define TRB_TYPE_SETUP_STAGE			2
212 #define TRB_TYPE_DATA_STAGE				3
213 #define TRB_TYPE_STATUS_STAGE			4
214 #define TRB_TYPE_ISOCH					5
215 #define TRB_TYPE_LINK					6
216 #define TRB_TYPE_EVENT_DATA				7
217 #define TRB_TYPE_TR_NOOP				8
218 // commands
219 #define TRB_TYPE_ENABLE_SLOT			9
220 #define TRB_TYPE_DISABLE_SLOT			10
221 #define TRB_TYPE_ADDRESS_DEVICE			11
222 #define TRB_TYPE_CONFIGURE_ENDPOINT		12
223 #define TRB_TYPE_EVALUATE_CONTEXT		13
224 #define TRB_TYPE_RESET_ENDPOINT			14
225 #define TRB_TYPE_STOP_ENDPOINT			15
226 #define TRB_TYPE_SET_TR_DEQUEUE			16
227 #define TRB_TYPE_RESET_DEVICE			17
228 #define TRB_TYPE_FORCE_EVENT			18
229 #define TRB_TYPE_NEGOCIATE_BW			19
230 #define TRB_TYPE_SET_LATENCY_TOLERANCE	20
231 #define TRB_TYPE_GET_PORT_BW			21
232 #define TRB_TYPE_FORCE_HEADER			22
233 #define TRB_TYPE_CMD_NOOP				23
234 // events
235 #define TRB_TYPE_TRANSFER				32
236 #define TRB_TYPE_COMMAND_COMPLETION		33
237 #define TRB_TYPE_PORT_STATUS_CHANGE		34
238 #define TRB_TYPE_BANDWIDTH_REQUEST		35
239 #define TRB_TYPE_DOORBELL				36
240 #define TRB_TYPE_HOST_CONTROLLER		37
241 #define TRB_TYPE_DEVICE_NOTIFICATION	38
242 #define TRB_TYPE_MFINDEX_WRAP			39
243 // vendor
244 #define TRB_TYPE_NEC_COMMAND_COMPLETION	48
245 #define TRB_TYPE_NEC_GET_FIRMWARE_REV	49
246 
247 #define TRB_3_CYCLE_BIT				(1U << 0)
248 #define TRB_3_TC_BIT				(1U << 1)
249 #define TRB_3_ENT_BIT				(1U << 1)
250 #define TRB_3_ISP_BIT				(1U << 2)
251 #define TRB_3_NSNOOP_BIT			(1U << 3)
252 #define TRB_3_CHAIN_BIT				(1U << 4)
253 #define TRB_3_IOC_BIT				(1U << 5)
254 #define TRB_3_IDT_BIT				(1U << 6)
255 #define TRB_3_BEI_BIT				(1U << 9)
256 #define TRB_3_DCEP_BIT				(1U << 9)
257 #define TRB_3_PRSV_BIT				(1U << 9)
258 #define TRB_3_BSR_BIT				(1U << 9)
259 #define TRB_3_TRT_MASK				(3U << 16)
260 #define TRB_3_DIR_IN				(1U << 16)
261 #define TRB_3_TRT_OUT				(2U << 16)
262 #define TRB_3_TRT_IN				(3U << 16)
263 #define TRB_3_SUSPEND_ENDPOINT_BIT	(1U << 23)
264 #define TRB_3_ISO_SIA_BIT			(1U << 31)
265 
266 #define TRB_3_TBC(x)			(((x) & 0x3) << 7)
267 #define TRB_3_TBC_GET(x)		(((x) >> 7) & 0x3)
268 #define TRB_3_TLBPC(x)			(((x) & 0xf) << 16)
269 #define TRB_3_TLBPC_GET(x)		(((x) >> 16) & 0xf)
270 #define TRB_3_ENDPOINT(x)		(((x) & 0xf) << 16)
271 #define TRB_3_ENDPOINT_GET(x)	(((x) >> 16) & 0xf)
272 #define TRB_3_FRID(x)			(((x) & 0x7ff) << 20)
273 #define TRB_3_FRID_GET(x)		(((x) >> 20) & 0x7ff)
274 #define TRB_3_SLOT(x)			(((x) & 0xff) << 24)
275 #define TRB_3_SLOT_GET(x)		(((x) >> 24) & 0xff)
276 
277 
278 #define XHCI_MAX_EVENTS			(16 * 13)
279 #define XHCI_MAX_COMMANDS		(16 * 1)
280 #define XHCI_MAX_SLOTS			255
281 #define XHCI_MAX_PORTS			127
282 #define XHCI_MAX_ENDPOINTS		32
283 #define XHCI_MAX_SCRATCHPADS	1024
284 #define XHCI_MAX_DEVICES		128
285 #define XHCI_MAX_TRANSFERS		8
286 #define XHCI_MAX_TRBS_PER_TD	18
287 
288 
289 struct xhci_trb {
290 	uint64	qwtrb0;
291 	uint32	dwtrb2;
292 	uint32	dwtrb3;
293 } __attribute__((__aligned__(4)));
294 
295 
296 struct xhci_segment {
297 	xhci_trb *		trbs;
298 	xhci_segment *	next;
299 };
300 
301 
302 struct xhci_ring {
303 	xhci_segment *	first_seg;
304 	xhci_trb *		enqueue;
305 	xhci_trb *		dequeue;
306 };
307 
308 
309 // Section 6.5
310 struct xhci_erst_element {
311 	uint64	rs_addr;
312 	uint32	rs_size;
313 	uint32	rsvdz;
314 } __attribute__((__aligned__(64)));
315 
316 
317 struct xhci_device_context_array {
318 	uint64	baseAddress[XHCI_MAX_SLOTS];
319 	struct {
320 		uint64 padding;
321 	} __attribute__((__aligned__(64)));
322 	uint64	scratchpad[XHCI_MAX_SCRATCHPADS];
323 };
324 
325 
326 struct xhci_slot_ctx {
327 	uint32	dwslot0;
328 	uint32	dwslot1;
329 	uint32	dwslot2;
330 	uint32	dwslot3;
331 	uint32	reserved[4];
332 };
333 
334 #define SLOT_0_ROUTE(x)					((x) & 0xFFFFF)
335 #define SLOT_0_ROUTE_GET(x)				((x) & 0xFFFFF)
336 #define SLOT_0_SPEED(x)					(((x) & 0xF) << 20)
337 #define SLOT_0_SPEED_GET(x)				(((x) >> 20) & 0xF)
338 #define SLOT_0_MTT_BIT					(1U << 25)
339 #define SLOT_0_HUB_BIT					(1U << 26)
340 #define SLOT_0_NUM_ENTRIES(x)			(((x) & 0x1F) << 27)
341 #define SLOT_0_NUM_ENTRIES_GET(x)		(((x) >> 27) & 0x1F)
342 
343 #define SLOT_1_MAX_EXIT_LATENCY(x)		((x) & 0xFFFF)
344 #define SLOT_1_MAX_EXIT_LATENCY_GET(x)	((x) & 0xFFFF)
345 #define SLOT_1_RH_PORT(x)				(((x) & 0xFF) << 16)
346 #define SLOT_1_RH_PORT_GET(x)			(((x) >> 16) & 0xFF)
347 #define SLOT_1_NUM_PORTS(x)				(((x) & 0xFF) << 24)
348 #define SLOT_1_NUM_PORTS_GET(x)			(((x) >> 24) & 0xFF)
349 
350 #define SLOT_2_TT_HUB_SLOT(x)			((x) & 0xFF)
351 #define SLOT_2_TT_HUB_SLOT_GET(x)		((x) & 0xFF)
352 #define SLOT_2_PORT_NUM(x)				(((x) & 0xFF) << 8)
353 #define SLOT_2_PORT_NUM_GET(x)			(((x) >> 8) & 0xFF)
354 #define SLOT_2_TT_TIME(x)				(((x) & 0x3) << 16)
355 #define SLOT_2_TT_TIME_GET(x)			(((x) >> 16) & 0x3)
356 #define SLOT_2_IRQ_TARGET(x)			(((x) & 0x7F) << 22)
357 #define SLOT_2_IRQ_TARGET_GET(x)		(((x) >> 22) & 0x7F)
358 
359 #define SLOT_3_DEVICE_ADDRESS(x)		((x) & 0xFF)
360 #define SLOT_3_DEVICE_ADDRESS_GET(x)	((x) & 0xFF)
361 #define SLOT_3_SLOT_STATE(x)			(((x) & 0x1F) << 27)
362 #define SLOT_3_SLOT_STATE_GET(x)		(((x) >> 27) & 0x1F)
363 
364 #define	HUB_TTT_GET(x)					(((x) >> 5) & 0x3)
365 
366 struct xhci_endpoint_ctx {
367 	uint32	dwendpoint0;
368 	uint32	dwendpoint1;
369 	uint64	qwendpoint2;
370 	uint32	dwendpoint4;
371 	uint32	reserved[3];
372 };
373 
374 
375 #define ENDPOINT_0_STATE(x)				((x) & 0x3)
376 #define ENDPOINT_0_STATE_GET(x)			((x) & 0x3)
377 #define ENDPOINT_0_MULT(x)				(((x) & 0x3) << 8)
378 #define ENDPOINT_0_MULT_GET(x)			(((x) >> 8) & 0x3)
379 #define ENDPOINT_0_MAXPSTREAMS(x)		(((x) & 0x1F) << 10)
380 #define ENDPOINT_0_MAXPSTREAMS_GET(x)	(((x) >> 10) & 0x1F)
381 #define ENDPOINT_0_LSA_BIT				(1U << 15)
382 #define ENDPOINT_0_INTERVAL(x)			(((x) & 0xFF) << 16)
383 #define ENDPOINT_0_INTERVAL_GET(x)		(((x) >> 16) & 0xFF)
384 
385 #define ENDPOINT_1_CERR(x)				(((x) & 0x3) << 1)
386 #define ENDPOINT_1_CERR_GET(x)			(((x) >> 1) & 0x3)
387 #define ENDPOINT_1_EPTYPE(x)			(((x) & 0x7) << 3)
388 #define ENDPOINT_1_EPTYPE_GET(x)		(((x) >> 3) & 0x7)
389 #define ENDPOINT_1_HID_BIT				(1U << 7)
390 #define ENDPOINT_1_MAXBURST(x)			(((x) & 0xFF) << 8)
391 #define ENDPOINT_1_MAXBURST_GET(x)		(((x) >> 8) & 0xFF)
392 #define ENDPOINT_1_MAXPACKETSIZE(x)		(((x) & 0xFFFF) << 16)
393 #define ENDPOINT_1_MAXPACKETSIZE_GET(x)	(((x) >> 16) & 0xFFFF)
394 
395 #define ENDPOINT_2_DCS_BIT				(1U << 0)
396 
397 #define ENDPOINT_4_AVGTRBLENGTH(x)		((x) & 0xFFFF)
398 #define ENDPOINT_4_AVGTRBLENGTH_GET(x)	((x) & 0xFFFF)
399 #define ENDPOINT_4_MAXESITPAYLOAD(x)	(((x) & 0xFFFF) << 16)
400 #define ENDPOINT_4_MAXESITPAYLOAD_GET(x) (((x) >> 16) & 0xFFFF)
401 
402 
403 struct xhci_stream_ctx {
404 	uint64	qwstream0;
405 	uint32	reserved[2];
406 };
407 
408 
409 struct xhci_input_ctx {
410 	uint32	dropFlags;
411 	uint32	addFlags;
412 	uint32	reserved[6];
413 };
414 
415 
416 struct xhci_input_device_ctx {
417 	struct xhci_input_ctx input;
418 	struct xhci_slot_ctx slot;
419 	struct xhci_endpoint_ctx endpoints[XHCI_MAX_ENDPOINTS - 1];
420 };
421 
422 
423 struct xhci_device_ctx {
424 	struct xhci_slot_ctx slot;
425 	struct xhci_endpoint_ctx endpoints[XHCI_MAX_ENDPOINTS - 1];
426 };
427 
428 
429 #define XHCI_ENDPOINT_ID(pipe)	(2 * pipe->EndpointAddress()	\
430 		+ (pipe->Direction() != Pipe::Out ? 1 : 0))
431 
432 
433 #endif // !XHCI_HARDWARE_H
434