xref: /netbsd-src/sys/dev/usb/ehcireg.h (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*	$NetBSD: ehcireg.h,v 1.23 2005/11/20 18:36:20 augustss Exp $	*/
2 
3 /*
4  * Copyright (c) 2001, 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson (lennart@augustsson.net).
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * The EHCI 0.96 spec can be found at
41  * http://developer.intel.com/technology/usb/download/ehci-r096.pdf
42  * and the USB 2.0 spec at
43  * http://www.usb.org/developers/data/usb_20.zip
44  */
45 
46 #ifndef _DEV_PCI_EHCIREG_H_
47 #define _DEV_PCI_EHCIREG_H_
48 
49 /*** PCI config registers ***/
50 
51 #define PCI_CBMEM		0x10	/* configuration base MEM */
52 
53 #define PCI_INTERFACE_EHCI	0x20
54 
55 #define PCI_USBREV		0x60	/* RO USB protocol revision */
56 #define  PCI_USBREV_MASK	0xff
57 #define  PCI_USBREV_PRE_1_0	0x00
58 #define  PCI_USBREV_1_0		0x10
59 #define  PCI_USBREV_1_1		0x11
60 #define  PCI_USBREV_2_0		0x20
61 
62 #define PCI_EHCI_FLADJ		0x61	/*RW Frame len adj, SOF=59488+6*fladj */
63 
64 #define PCI_EHCI_PORTWAKECAP	0x62	/* RW Port wake caps (opt)  */
65 
66 /* Regs at EECP + offset */
67 #define PCI_EHCI_USBLEGSUP	0x00
68 #define  EHCI_LEG_HC_OS_OWNED		0x01000000
69 #define  EHCI_LEG_HC_BIOS_OWNED		0x00010000
70 #define PCI_EHCI_USBLEGCTLSTS	0x04
71 
72 #define EHCI_CAP_GET_ID(cap) ((cap) & 0xff)
73 #define EHCI_CAP_GET_NEXT(cap) (((cap) >> 8) & 0xff)
74 #define EHCI_CAP_ID_LEGACY 1
75 
76 /*** EHCI capability registers ***/
77 
78 #define EHCI_CAPLENGTH		0x00	/*RO Capability register length field */
79 /* reserved			0x01 */
80 #define EHCI_HCIVERSION		0x02	/* RO Interface version number */
81 
82 #define EHCI_HCSPARAMS		0x04	/* RO Structural parameters */
83 #define  EHCI_HCS_DEBUGPORT(x)	(((x) >> 20) & 0xf)
84 #define  EHCI_HCS_P_INDICATOR(x) ((x) & 0x10000)
85 #define  EHCI_HCS_N_CC(x)	(((x) >> 12) & 0xf) /* # of companion ctlrs */
86 #define  EHCI_HCS_N_PCC(x)	(((x) >> 8) & 0xf) /* # of ports per comp. */
87 #define  EHCI_HCS_PPC(x)	((x) & 0x10) /* port power control */
88 #define  EHCI_HCS_N_PORTS(x)	((x) & 0xf) /* # of ports */
89 
90 #define EHCI_HCCPARAMS		0x08	/* RO Capability parameters */
91 #define  EHCI_HCC_EECP(x)	(((x) >> 8) & 0xff) /* extended ports caps */
92 #define  EHCI_HCC_IST(x)	(((x) >> 4) & 0xf) /* isoc sched threshold */
93 #define  EHCI_HCC_ASPC(x)	((x) & 0x4) /* async sched park cap */
94 #define  EHCI_HCC_PFLF(x)	((x) & 0x2) /* prog frame list flag */
95 #define  EHCI_HCC_64BIT(x)	((x) & 0x1) /* 64 bit address cap */
96 
97 #define EHCI_HCSP_PORTROUTE	0x0c	/*RO Companion port route description */
98 
99 /* EHCI operational registers.  Offset given by EHCI_CAPLENGTH register */
100 #define EHCI_USBCMD		0x00	/* RO, RW, WO Command register */
101 #define  EHCI_CMD_ITC_M		0x00ff0000 /* RW interrupt threshold ctrl */
102 #define   EHCI_CMD_ITC_1	0x00010000
103 #define   EHCI_CMD_ITC_2	0x00020000
104 #define   EHCI_CMD_ITC_4	0x00040000
105 #define   EHCI_CMD_ITC_8	0x00080000
106 #define   EHCI_CMD_ITC_16	0x00100000
107 #define   EHCI_CMD_ITC_32	0x00200000
108 #define   EHCI_CMD_ITC_64	0x00400000
109 #define  EHCI_CMD_ASPME		0x00000800 /* RW/RO async park enable */
110 #define  EHCI_CMD_ASPMC		0x00000300 /* RW/RO async park count */
111 #define  EHCI_CMD_LHCR		0x00000080 /* RW light host ctrl reset */
112 #define  EHCI_CMD_IAAD		0x00000040 /* RW intr on async adv door bell */
113 #define  EHCI_CMD_ASE		0x00000020 /* RW async sched enable */
114 #define  EHCI_CMD_PSE		0x00000010 /* RW periodic sched enable */
115 #define  EHCI_CMD_FLS_M		0x0000000c /* RW/RO frame list size */
116 #define  EHCI_CMD_FLS(x)	(((x) >> 2) & 3) /* RW/RO frame list size */
117 #define  EHCI_CMD_HCRESET	0x00000002 /* RW reset */
118 #define  EHCI_CMD_RS		0x00000001 /* RW run/stop */
119 
120 #define EHCI_USBSTS		0x04	/* RO, RW, RWC Status register */
121 #define  EHCI_STS_ASS		0x00008000 /* RO async sched status */
122 #define  EHCI_STS_PSS		0x00004000 /* RO periodic sched status */
123 #define  EHCI_STS_REC		0x00002000 /* RO reclamation */
124 #define  EHCI_STS_HCH		0x00001000 /* RO host controller halted */
125 #define  EHCI_STS_IAA		0x00000020 /* RWC interrupt on async adv */
126 #define  EHCI_STS_HSE		0x00000010 /* RWC host system error */
127 #define  EHCI_STS_FLR		0x00000008 /* RWC frame list rollover */
128 #define  EHCI_STS_PCD		0x00000004 /* RWC port change detect */
129 #define  EHCI_STS_ERRINT	0x00000002 /* RWC error interrupt */
130 #define  EHCI_STS_INT		0x00000001 /* RWC interrupt */
131 #define  EHCI_STS_INTRS(x)	((x) & 0x3f)
132 
133 #define EHCI_NORMAL_INTRS (EHCI_STS_IAA | EHCI_STS_HSE | EHCI_STS_PCD | EHCI_STS_ERRINT | EHCI_STS_INT)
134 
135 #define EHCI_USBINTR		0x08	/* RW Interrupt register */
136 #define EHCI_INTR_IAAE		0x00000020 /* interrupt on async advance ena */
137 #define EHCI_INTR_HSEE		0x00000010 /* host system error ena */
138 #define EHCI_INTR_FLRE		0x00000008 /* frame list rollover ena */
139 #define EHCI_INTR_PCIE		0x00000004 /* port change ena */
140 #define EHCI_INTR_UEIE		0x00000002 /* USB error intr ena */
141 #define EHCI_INTR_UIE		0x00000001 /* USB intr ena */
142 
143 #define EHCI_FRINDEX		0x0c	/* RW Frame Index register */
144 
145 #define EHCI_CTRLDSSEGMENT	0x10	/* RW Control Data Structure Segment */
146 
147 #define EHCI_PERIODICLISTBASE	0x14	/* RW Periodic List Base */
148 #define EHCI_ASYNCLISTADDR	0x18	/* RW Async List Base */
149 
150 #define EHCI_CONFIGFLAG		0x40	/* RW Configure Flag register */
151 #define  EHCI_CONF_CF		0x00000001 /* RW configure flag */
152 
153 #define EHCI_PORTSC(n)		(0x40+4*(n)) /* RO, RW, RWC Port Status reg */
154 #define  EHCI_PS_WKOC_E		0x00400000 /* RW wake on over current ena */
155 #define  EHCI_PS_WKDSCNNT_E	0x00200000 /* RW wake on disconnect ena */
156 #define  EHCI_PS_WKCNNT_E	0x00100000 /* RW wake on connect ena */
157 #define  EHCI_PS_PTC		0x000f0000 /* RW port test control */
158 #define  EHCI_PS_PIC		0x0000c000 /* RW port indicator control */
159 #define  EHCI_PS_PO		0x00002000 /* RW port owner */
160 #define  EHCI_PS_PP		0x00001000 /* RW,RO port power */
161 #define  EHCI_PS_LS		0x00000c00 /* RO line status */
162 #define  EHCI_PS_IS_LOWSPEED(x)	(((x) & EHCI_PS_LS) == 0x00000400)
163 #define  EHCI_PS_PR		0x00000100 /* RW port reset */
164 #define  EHCI_PS_SUSP		0x00000080 /* RW suspend */
165 #define  EHCI_PS_FPR		0x00000040 /* RW force port resume */
166 #define  EHCI_PS_OCC		0x00000020 /* RWC over current change */
167 #define  EHCI_PS_OCA		0x00000010 /* RO over current active */
168 #define  EHCI_PS_PEC		0x00000008 /* RWC port enable change */
169 #define  EHCI_PS_PE		0x00000004 /* RW port enable */
170 #define  EHCI_PS_CSC		0x00000002 /* RWC connect status change */
171 #define  EHCI_PS_CS		0x00000001 /* RO connect status */
172 #define  EHCI_PS_CLEAR		(EHCI_PS_OCC|EHCI_PS_PEC|EHCI_PS_CSC)
173 
174 #define EHCI_PORT_RESET_COMPLETE 2 /* ms */
175 
176 #define EHCI_FLALIGN_ALIGN	0x1000
177 #define EHCI_MAX_PORTS		16 /* only 4 bits available in EHCI_HCS_N_PORTS */
178 
179 /* No data structure may cross a page boundary. */
180 #define EHCI_PAGE_SIZE 0x1000
181 #define EHCI_PAGE(x) ((x) &~ 0xfff)
182 #define EHCI_PAGE_OFFSET(x) ((x) & 0xfff)
183 
184 typedef u_int32_t ehci_link_t;
185 #define EHCI_LINK_TERMINATE	0x00000001
186 #define EHCI_LINK_TYPE(x)	((x) & 0x00000006)
187 #define  EHCI_LINK_ITD		0x0
188 #define  EHCI_LINK_QH		0x2
189 #define  EHCI_LINK_SITD		0x4
190 #define  EHCI_LINK_FSTN		0x6
191 #define EHCI_LINK_ADDR(x)	((x) &~ 0x1f)
192 
193 typedef u_int32_t ehci_physaddr_t;
194 
195 /* Isochronous Transfer Descriptor */
196 typedef struct {
197 	ehci_link_t	itd_next;
198 	/* XXX many more */
199 } ehci_itd_t;
200 #define EHCI_ITD_ALIGN 32
201 
202 /* Split Transaction Isochronous Transfer Descriptor */
203 typedef struct {
204 	ehci_link_t	sitd_next;
205 	/* XXX many more */
206 } ehci_sitd_t;
207 #define EHCI_SITD_ALIGN 32
208 
209 /* Queue Element Transfer Descriptor */
210 #define EHCI_QTD_NBUFFERS 5
211 typedef struct {
212 	ehci_link_t	qtd_next;
213 	ehci_link_t	qtd_altnext;
214 	u_int32_t	qtd_status;
215 #define EHCI_QTD_GET_STATUS(x)	(((x) >>  0) & 0xff)
216 #define EHCI_QTD_SET_STATUS(x)	((x) <<  0)
217 #define  EHCI_QTD_ACTIVE	0x80
218 #define  EHCI_QTD_HALTED	0x40
219 #define  EHCI_QTD_BUFERR	0x20
220 #define  EHCI_QTD_BABBLE	0x10
221 #define  EHCI_QTD_XACTERR	0x08
222 #define  EHCI_QTD_MISSEDMICRO	0x04
223 #define  EHCI_QTD_SPLITXSTATE	0x02
224 #define  EHCI_QTD_PINGSTATE	0x01
225 #define  EHCI_QTD_STATERRS	0x3c
226 #define EHCI_QTD_GET_PID(x)	(((x) >>  8) & 0x3)
227 #define EHCI_QTD_SET_PID(x)	((x) <<  8)
228 #define  EHCI_QTD_PID_OUT	0x0
229 #define  EHCI_QTD_PID_IN	0x1
230 #define  EHCI_QTD_PID_SETUP	0x2
231 #define EHCI_QTD_GET_CERR(x)	(((x) >> 10) &  0x3)
232 #define EHCI_QTD_SET_CERR(x)	((x) << 10)
233 #define EHCI_QTD_GET_C_PAGE(x)	(((x) >> 12) &  0x7)
234 #define EHCI_QTD_SET_C_PAGE(x)	((x) << 12)
235 #define EHCI_QTD_GET_IOC(x)	(((x) >> 15) &  0x1)
236 #define EHCI_QTD_IOC		0x00008000
237 #define EHCI_QTD_GET_BYTES(x)	(((x) >> 16) &  0x7fff)
238 #define EHCI_QTD_SET_BYTES(x)	((x) << 16)
239 #define EHCI_QTD_GET_TOGGLE(x)	(((x) >> 31) &  0x1)
240 #define	EHCI_QTD_SET_TOGGLE(x)	((x) << 31)
241 #define EHCI_QTD_TOGGLE_MASK	0x80000000
242 	ehci_physaddr_t	qtd_buffer[EHCI_QTD_NBUFFERS];
243 	ehci_physaddr_t qtd_buffer_hi[EHCI_QTD_NBUFFERS];
244 } ehci_qtd_t;
245 #define EHCI_QTD_ALIGN 32
246 
247 /* Queue Head */
248 typedef struct {
249 	ehci_link_t	qh_link;
250 	u_int32_t	qh_endp;
251 #define EHCI_QH_GET_ADDR(x)	(((x) >>  0) & 0x7f) /* endpoint addr */
252 #define EHCI_QH_SET_ADDR(x)	(x)
253 #define EHCI_QH_ADDRMASK	0x0000007f
254 #define EHCI_QH_GET_INACT(x)	(((x) >>  7) & 0x01) /* inactivate on next */
255 #define EHCI_QH_INACT		0x00000080
256 #define EHCI_QH_GET_ENDPT(x)	(((x) >>  8) & 0x0f) /* endpoint no */
257 #define EHCI_QH_SET_ENDPT(x)	((x) <<  8)
258 #define EHCI_QH_GET_EPS(x)	(((x) >> 12) & 0x03) /* endpoint speed */
259 #define EHCI_QH_SET_EPS(x)	((x) << 12)
260 #define  EHCI_QH_SPEED_FULL	0x0
261 #define  EHCI_QH_SPEED_LOW	0x1
262 #define  EHCI_QH_SPEED_HIGH	0x2
263 #define EHCI_QH_GET_DTC(x)	(((x) >> 14) & 0x01) /* data toggle control */
264 #define EHCI_QH_DTC		0x00004000
265 #define EHCI_QH_GET_HRECL(x)	(((x) >> 15) & 0x01) /* head of reclamation */
266 #define EHCI_QH_HRECL		0x00008000
267 #define EHCI_QH_GET_MPL(x)	(((x) >> 16) & 0x7ff) /* max packet len */
268 #define EHCI_QH_SET_MPL(x)	((x) << 16)
269 #define EHCI_QH_MPLMASK		0x07ff0000
270 #define EHCI_QH_GET_CTL(x)	(((x) >> 27) & 0x01) /* control endpoint */
271 #define EHCI_QH_CTL		0x08000000
272 #define EHCI_QH_GET_NRL(x)	(((x) >> 28) & 0x0f) /* NAK reload */
273 #define EHCI_QH_SET_NRL(x)	((x) << 28)
274 	u_int32_t	qh_endphub;
275 #define EHCI_QH_GET_SMASK(x)	(((x) >>  0) & 0xff) /* intr sched mask */
276 #define EHCI_QH_SET_SMASK(x)	((x) <<  0)
277 #define EHCI_QH_GET_CMASK(x)	(((x) >>  8) & 0xff) /* split completion mask */
278 #define EHCI_QH_SET_CMASK(x)	((x) <<  8)
279 #define EHCI_QH_GET_HUBA(x)	(((x) >> 16) & 0x7f) /* hub address */
280 #define EHCI_QH_SET_HUBA(x)	((x) << 16)
281 #define EHCI_QH_GET_PORT(x)	(((x) >> 23) & 0x7f) /* hub port */
282 #define EHCI_QH_SET_PORT(x)	((x) << 23)
283 #define EHCI_QH_GET_MULT(x)	(((x) >> 30) & 0x03) /* pipe multiplier */
284 #define EHCI_QH_SET_MULT(x)	((x) << 30)
285 	ehci_link_t	qh_curqtd;
286 	ehci_qtd_t	qh_qtd;
287 } ehci_qh_t;
288 #define EHCI_QH_ALIGN 32
289 
290 /* Periodic Frame Span Traversal Node */
291 typedef struct {
292 	ehci_link_t	fstn_link;
293 	ehci_link_t	fstn_back;
294 } ehci_fstn_t;
295 #define EHCI_FSTN_ALIGN 32
296 
297 #endif /* _DEV_PCI_EHCIREG_H_ */
298