FreeBSD kernel usb device Code
xhcireg.h
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1/* $FreeBSD$ */
2
3/*-
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 *
6 * Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef _XHCIREG_H_
31#define _XHCIREG_H_
32
33/* XHCI PCI config registers */
34#define PCI_XHCI_CBMEM 0x10 /* configuration base MEM */
35#define PCI_XHCI_USBREV 0x60 /* RO USB protocol revision */
36#define PCI_USB_REV_3_0 0x30 /* USB 3.0 */
37#define PCI_XHCI_FLADJ 0x61 /* RW frame length adjust */
38
39#define PCI_XHCI_INTEL_XUSB2PR 0xD0 /* Intel USB2 Port Routing */
40#define PCI_XHCI_INTEL_USB2PRM 0xD4 /* Intel USB2 Port Routing Mask */
41#define PCI_XHCI_INTEL_USB3_PSSEN 0xD8 /* Intel USB3 Port SuperSpeed Enable */
42#define PCI_XHCI_INTEL_USB3PRM 0xDC /* Intel USB3 Port Routing Mask */
43
44/* XHCI capability registers */
45#define XHCI_CAPLENGTH 0x00 /* RO capability */
46#define XHCI_RESERVED 0x01 /* Reserved */
47#define XHCI_HCIVERSION 0x02 /* RO Interface version number */
48#define XHCI_HCIVERSION_0_9 0x0090 /* xHCI version 0.9 */
49#define XHCI_HCIVERSION_1_0 0x0100 /* xHCI version 1.0 */
50#define XHCI_HCSPARAMS1 0x04 /* RO structural parameters 1 */
51#define XHCI_HCS1_DEVSLOT_MAX(x)((x) & 0xFF)
52#define XHCI_HCS1_IRQ_MAX(x) (((x) >> 8) & 0x3FF)
53#define XHCI_HCS1_N_PORTS(x) (((x) >> 24) & 0xFF)
54#define XHCI_HCSPARAMS2 0x08 /* RO structural parameters 2 */
55#define XHCI_HCS2_IST(x) ((x) & 0xF)
56#define XHCI_HCS2_ERST_MAX(x) (((x) >> 4) & 0xF)
57#define XHCI_HCS2_SPR(x) (((x) >> 26) & 0x1)
58#define XHCI_HCS2_SPB_MAX(x) ((((x) >> 16) & 0x3E0) | (((x) >> 27) & 0x1F))
59#define XHCI_HCSPARAMS3 0x0C /* RO structural parameters 3 */
60#define XHCI_HCS3_U1_DEL(x) ((x) & 0xFF)
61#define XHCI_HCS3_U2_DEL(x) (((x) >> 16) & 0xFFFF)
62#define XHCI_HCSPARAMS0 0x10 /* RO capability parameters */
63#define XHCI_HCS0_AC64(x) ((x) & 0x1) /* 64-bit capable */
64#define XHCI_HCS0_BNC(x) (((x) >> 1) & 0x1) /* BW negotiation */
65#define XHCI_HCS0_CSZ(x) (((x) >> 2) & 0x1) /* context size */
66#define XHCI_HCS0_PPC(x) (((x) >> 3) & 0x1) /* port power control */
67#define XHCI_HCS0_PIND(x) (((x) >> 4) & 0x1) /* port indicators */
68#define XHCI_HCS0_LHRC(x) (((x) >> 5) & 0x1) /* light HC reset */
69#define XHCI_HCS0_LTC(x) (((x) >> 6) & 0x1) /* latency tolerance msg */
70#define XHCI_HCS0_NSS(x) (((x) >> 7) & 0x1) /* no secondary sid */
71#define XHCI_HCS0_PSA_SZ_MAX(x) (((x) >> 12) & 0xF) /* max pri. stream array size */
72#define XHCI_HCS0_XECP(x) (((x) >> 16) & 0xFFFF) /* extended capabilities pointer */
73#define XHCI_DBOFF 0x14 /* RO doorbell offset */
74#define XHCI_RTSOFF 0x18 /* RO runtime register space offset */
75
76/* XHCI operational registers. Offset given by XHCI_CAPLENGTH register */
77#define XHCI_USBCMD 0x00 /* XHCI command */
78#define XHCI_CMD_RS 0x00000001 /* RW Run/Stop */
79#define XHCI_CMD_HCRST 0x00000002 /* RW Host Controller Reset */
80#define XHCI_CMD_INTE 0x00000004 /* RW Interrupter Enable */
81#define XHCI_CMD_HSEE 0x00000008 /* RW Host System Error Enable */
82#define XHCI_CMD_LHCRST 0x00000080 /* RO/RW Light Host Controller Reset */
83#define XHCI_CMD_CSS 0x00000100 /* RW Controller Save State */
84#define XHCI_CMD_CRS 0x00000200 /* RW Controller Restore State */
85#define XHCI_CMD_EWE 0x00000400 /* RW Enable Wrap Event */
86#define XHCI_CMD_EU3S 0x00000800 /* RW Enable U3 MFINDEX Stop */
87#define XHCI_USBSTS 0x04 /* XHCI status */
88#define XHCI_STS_HCH 0x00000001 /* RO - Host Controller Halted */
89#define XHCI_STS_HSE 0x00000004 /* RW - Host System Error */
90#define XHCI_STS_EINT 0x00000008 /* RW - Event Interrupt */
91#define XHCI_STS_PCD 0x00000010 /* RW - Port Change Detect */
92#define XHCI_STS_SSS 0x00000100 /* RO - Save State Status */
93#define XHCI_STS_RSS 0x00000200 /* RO - Restore State Status */
94#define XHCI_STS_SRE 0x00000400 /* RW - Save/Restore Error */
95#define XHCI_STS_CNR 0x00000800 /* RO - Controller Not Ready */
96#define XHCI_STS_HCE 0x00001000 /* RO - Host Controller Error */
97#define XHCI_PAGESIZE 0x08 /* XHCI page size mask */
98#define XHCI_PAGESIZE_4K 0x00000001 /* 4K Page Size */
99#define XHCI_PAGESIZE_8K 0x00000002 /* 8K Page Size */
100#define XHCI_PAGESIZE_16K 0x00000004 /* 16K Page Size */
101#define XHCI_PAGESIZE_32K 0x00000008 /* 32K Page Size */
102#define XHCI_PAGESIZE_64K 0x00000010 /* 64K Page Size */
103#define XHCI_DNCTRL 0x14 /* XHCI device notification control */
104#define XHCI_DNCTRL_MASK(n) (1U << (n))
105#define XHCI_CRCR_LO 0x18 /* XHCI command ring control */
106#define XHCI_CRCR_LO_RCS 0x00000001 /* RW - consumer cycle state */
107#define XHCI_CRCR_LO_CS 0x00000002 /* RW - command stop */
108#define XHCI_CRCR_LO_CA 0x00000004 /* RW - command abort */
109#define XHCI_CRCR_LO_CRR 0x00000008 /* RW - command ring running */
110#define XHCI_CRCR_LO_MASK 0x0000000F
111#define XHCI_CRCR_HI 0x1C /* XHCI command ring control */
112#define XHCI_DCBAAP_LO 0x30 /* XHCI dev context BA pointer */
113#define XHCI_DCBAAP_HI 0x34 /* XHCI dev context BA pointer */
114#define XHCI_CONFIG 0x38
115#define XHCI_CONFIG_SLOTS_MASK 0x000000FF /* RW - number of device slots enabled */
116
117/* XHCI port status registers */
118#define XHCI_PORTSC(n) (0x3F0 + (0x10 * (n))) /* XHCI port status */
119#define XHCI_PS_CCS 0x00000001 /* RO - current connect status */
120#define XHCI_PS_PED 0x00000002 /* RW - port enabled / disabled */
121#define XHCI_PS_OCA 0x00000008 /* RO - over current active */
122#define XHCI_PS_PR 0x00000010 /* RW - port reset */
123#define XHCI_PS_PLS_GET(x) (((x) >> 5) & 0xF) /* RW - port link state */
124#define XHCI_PS_PLS_SET(x) (((x) & 0xF) << 5) /* RW - port link state */
125#define XHCI_PS_PP 0x00000200 /* RW - port power */
126#define XHCI_PS_SPEED_GET(x) (((x) >> 10) & 0xF) /* RO - port speed */
127#define XHCI_PS_PIC_GET(x) (((x) >> 14) & 0x3) /* RW - port indicator */
128#define XHCI_PS_PIC_SET(x) (((x) & 0x3) << 14) /* RW - port indicator */
129#define XHCI_PS_LWS 0x00010000 /* RW - port link state write strobe */
130#define XHCI_PS_CSC 0x00020000 /* RW - connect status change */
131#define XHCI_PS_PEC 0x00040000 /* RW - port enable/disable change */
132#define XHCI_PS_WRC 0x00080000 /* RW - warm port reset change */
133#define XHCI_PS_OCC 0x00100000 /* RW - over-current change */
134#define XHCI_PS_PRC 0x00200000 /* RW - port reset change */
135#define XHCI_PS_PLC 0x00400000 /* RW - port link state change */
136#define XHCI_PS_CEC 0x00800000 /* RW - config error change */
137#define XHCI_PS_CAS 0x01000000 /* RO - cold attach status */
138#define XHCI_PS_WCE 0x02000000 /* RW - wake on connect enable */
139#define XHCI_PS_WDE 0x04000000 /* RW - wake on disconnect enable */
140#define XHCI_PS_WOE 0x08000000 /* RW - wake on over-current enable */
141#define XHCI_PS_DR 0x40000000 /* RO - device removable */
142#define XHCI_PS_WPR 0x80000000U /* RW - warm port reset */
143#define XHCI_PS_CLEAR 0x80FF01FFU /* command bits */
144
145#define XHCI_PORTPMSC(n) (0x3F4 + (0x10 * (n))) /* XHCI status and control */
146#define XHCI_PM3_U1TO_GET(x) (((x) >> 0) & 0xFF) /* RW - U1 timeout */
147#define XHCI_PM3_U1TO_SET(x) (((x) & 0xFF) << 0) /* RW - U1 timeout */
148#define XHCI_PM3_U2TO_GET(x) (((x) >> 8) & 0xFF) /* RW - U2 timeout */
149#define XHCI_PM3_U2TO_SET(x) (((x) & 0xFF) << 8) /* RW - U2 timeout */
150#define XHCI_PM3_FLA 0x00010000 /* RW - Force Link PM Accept */
151#define XHCI_PM2_L1S_GET(x) (((x) >> 0) & 0x7) /* RO - L1 status */
152#define XHCI_PM2_RWE 0x00000008 /* RW - remote wakup enable */
153#define XHCI_PM2_HIRD_GET(x) (((x) >> 4) & 0xF) /* RW - host initiated resume duration */
154#define XHCI_PM2_HIRD_SET(x) (((x) & 0xF) << 4) /* RW - host initiated resume duration */
155#define XHCI_PM2_L1SLOT_GET(x) (((x) >> 8) & 0xFF) /* RW - L1 device slot */
156#define XHCI_PM2_L1SLOT_SET(x) (((x) & 0xFF) << 8) /* RW - L1 device slot */
157#define XHCI_PM2_HLE 0x00010000 /* RW - hardware LPM enable */
158#define XHCI_PORTLI(n) (0x3F8 + (0x10 * (n))) /* XHCI port link info */
159#define XHCI_PLI3_ERR_GET(x) (((x) >> 0) & 0xFFFF) /* RO - port link errors */
160#define XHCI_PORTRSV(n) (0x3FC + (0x10 * (n))) /* XHCI port reserved */
161
162/* XHCI runtime registers. Offset given by XHCI_CAPLENGTH + XHCI_RTSOFF registers */
163#define XHCI_MFINDEX 0x0000 /* RO - microframe index */
164#define XHCI_MFINDEX_GET(x) ((x) & 0x3FFF)
165#define XHCI_IMAN(n) (0x0020 + (0x20 * (n))) /* XHCI interrupt management */
166#define XHCI_IMAN_INTR_PEND 0x00000001 /* RW - interrupt pending */
167#define XHCI_IMAN_INTR_ENA 0x00000002 /* RW - interrupt enable */
168#define XHCI_IMOD(n) (0x0024 + (0x20 * (n))) /* XHCI interrupt moderation */
169#define XHCI_IMOD_IVAL_GET(x) (((x) >> 0) & 0xFFFF) /* 250ns unit */
170#define XHCI_IMOD_IVAL_SET(x) (((x) & 0xFFFF) << 0) /* 250ns unit */
171#define XHCI_IMOD_ICNT_GET(x) (((x) >> 16) & 0xFFFF) /* 250ns unit */
172#define XHCI_IMOD_ICNT_SET(x) (((x) & 0xFFFF) << 16) /* 250ns unit */
173#define XHCI_IMOD_DEFAULT 0x000001F4U /* 8000 IRQs/second */
174#define XHCI_IMOD_DEFAULT_LP 0x000003F8U /* 4000 IRQs/second - LynxPoint */
175#define XHCI_ERSTSZ(n) (0x0028 + (0x20 * (n))) /* XHCI event ring segment table size */
176#define XHCI_ERSTS_GET(x) ((x) & 0xFFFF)
177#define XHCI_ERSTS_SET(x) ((x) & 0xFFFF)
178#define XHCI_ERSTBA_LO(n) (0x0030 + (0x20 * (n))) /* XHCI event ring segment table BA */
179#define XHCI_ERSTBA_HI(n) (0x0034 + (0x20 * (n))) /* XHCI event ring segment table BA */
180#define XHCI_ERDP_LO(n) (0x0038 + (0x20 * (n))) /* XHCI event ring dequeue pointer */
181#define XHCI_ERDP_LO_SINDEX(x) ((x) & 0x7) /* RO - dequeue segment index */
182#define XHCI_ERDP_LO_BUSY 0x00000008 /* RW - event handler busy */
183#define XHCI_ERDP_HI(n) (0x003C + (0x20 * (n))) /* XHCI event ring dequeue pointer */
184
185/* XHCI doorbell registers. Offset given by XHCI_CAPLENGTH + XHCI_DBOFF registers */
186#define XHCI_DOORBELL(n) (0x0000 + (4 * (n)))
187#define XHCI_DB_TARGET_GET(x) ((x) & 0xFF) /* RW - doorbell target */
188#define XHCI_DB_TARGET_SET(x) ((x) & 0xFF) /* RW - doorbell target */
189#define XHCI_DB_SID_GET(x) (((x) >> 16) & 0xFFFF) /* RW - doorbell stream ID */
190#define XHCI_DB_SID_SET(x) (((x) & 0xFFFF) << 16) /* RW - doorbell stream ID */
191
192/* XHCI legacy support */
193#define XHCI_XECP_ID(x) ((x) & 0xFF)
194#define XHCI_XECP_NEXT(x) (((x) >> 8) & 0xFF)
195#define XHCI_XECP_BIOS_SEM 0x0002
196#define XHCI_XECP_OS_SEM 0x0003
197
198/* XHCI capability ID's */
199#define XHCI_ID_USB_LEGACY 0x0001
200#define XHCI_ID_PROTOCOLS 0x0002
201#define XHCI_ID_POWER_MGMT 0x0003
202#define XHCI_ID_VIRTUALIZATION 0x0004
203#define XHCI_ID_MSG_IRQ 0x0005
204#define XHCI_ID_USB_LOCAL_MEM 0x0006
205
206/* XHCI register R/W wrappers */
207#define XREAD1(sc, what, a) \
208 bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, \
209 (a) + (sc)->sc_##what##_off)
210#define XREAD2(sc, what, a) \
211 bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, \
212 (a) + (sc)->sc_##what##_off)
213#define XREAD4(sc, what, a) \
214 bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, \
215 (a) + (sc)->sc_##what##_off)
216#define XWRITE1(sc, what, a, x) \
217 bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, \
218 (a) + (sc)->sc_##what##_off, (x))
219#define XWRITE2(sc, what, a, x) \
220 bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, \
221 (a) + (sc)->sc_##what##_off, (x))
222#define XWRITE4(sc, what, a, x) \
223 bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, \
224 (a) + (sc)->sc_##what##_off, (x))
225
226#endif /* _XHCIREG_H_ */