xref: /netbsd-src/sys/dev/usb/ehcireg.h (revision b5677b36047b601b9addaaa494a58ceae82c2a6c)
1 /*	$NetBSD: ehcireg.h,v 1.29 2008/11/28 17:18:21 jmorse 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * The EHCI 0.96 spec can be found at
34  * http://developer.intel.com/technology/usb/download/ehci-r096.pdf
35  * and the USB 2.0 spec at
36  * http://www.usb.org/developers/data/usb_20.zip
37  */
38 
39 #ifndef _DEV_PCI_EHCIREG_H_
40 #define _DEV_PCI_EHCIREG_H_
41 
42 /*** PCI config registers ***/
43 
44 #define PCI_CBMEM		0x10	/* configuration base MEM */
45 
46 #define PCI_INTERFACE_EHCI	0x20
47 
48 #define PCI_USBREV		0x60	/* RO USB protocol revision */
49 #define  PCI_USBREV_MASK	0xff
50 #define  PCI_USBREV_PRE_1_0	0x00
51 #define  PCI_USBREV_1_0		0x10
52 #define  PCI_USBREV_1_1		0x11
53 #define  PCI_USBREV_2_0		0x20
54 
55 #define PCI_EHCI_FLADJ		0x61	/*RW Frame len adj, SOF=59488+6*fladj */
56 
57 #define PCI_EHCI_PORTWAKECAP	0x62	/* RW Port wake caps (opt)  */
58 
59 /* Regs at EECP + offset */
60 #define PCI_EHCI_USBLEGSUP	0x00
61 #define  EHCI_LEG_HC_OS_OWNED		0x01000000
62 #define  EHCI_LEG_HC_BIOS_OWNED		0x00010000
63 #define PCI_EHCI_USBLEGCTLSTS	0x04
64 #define  EHCI_LEG_EXT_SMI_BAR		0x80000000
65 #define  EHCI_LEG_EXT_SMI_PCICMD	0x40000000
66 #define  EHCI_LEG_EXT_SMI_OS_CHANGE	0x20000000
67 
68 #define EHCI_CAP_GET_ID(cap) ((cap) & 0xff)
69 #define EHCI_CAP_GET_NEXT(cap) (((cap) >> 8) & 0xff)
70 #define EHCI_CAP_ID_LEGACY 1
71 
72 /*** EHCI capability registers ***/
73 
74 #define EHCI_CAPLENGTH		0x00	/*RO Capability register length field */
75 /* reserved			0x01 */
76 #define EHCI_HCIVERSION		0x02	/* RO Interface version number */
77 
78 #define EHCI_HCSPARAMS		0x04	/* RO Structural parameters */
79 #define  EHCI_HCS_DEBUGPORT(x)	(((x) >> 20) & 0xf)
80 #define  EHCI_HCS_P_INDICATOR(x) ((x) & 0x10000)
81 #define  EHCI_HCS_N_CC(x)	(((x) >> 12) & 0xf) /* # of companion ctlrs */
82 #define  EHCI_HCS_N_PCC(x)	(((x) >> 8) & 0xf) /* # of ports per comp. */
83 #define  EHCI_HCS_PPC(x)	((x) & 0x10) /* port power control */
84 #define  EHCI_HCS_N_PORTS(x)	((x) & 0xf) /* # of ports */
85 
86 #define EHCI_HCCPARAMS		0x08	/* RO Capability parameters */
87 #define  EHCI_HCC_EECP(x)	(((x) >> 8) & 0xff) /* extended ports caps */
88 #define  EHCI_HCC_IST(x)	(((x) >> 4) & 0xf) /* isoc sched threshold */
89 #define  EHCI_HCC_ASPC(x)	((x) & 0x4) /* async sched park cap */
90 #define  EHCI_HCC_PFLF(x)	((x) & 0x2) /* prog frame list flag */
91 #define  EHCI_HCC_64BIT(x)	((x) & 0x1) /* 64 bit address cap */
92 
93 #define EHCI_HCSP_PORTROUTE	0x0c	/*RO Companion port route description */
94 
95 /* EHCI operational registers.  Offset given by EHCI_CAPLENGTH register */
96 #define EHCI_USBCMD		0x00	/* RO, RW, WO Command register */
97 #define  EHCI_CMD_ITC_M		0x00ff0000 /* RW interrupt threshold ctrl */
98 #define   EHCI_CMD_ITC_1	0x00010000
99 #define   EHCI_CMD_ITC_2	0x00020000
100 #define   EHCI_CMD_ITC_4	0x00040000
101 #define   EHCI_CMD_ITC_8	0x00080000
102 #define   EHCI_CMD_ITC_16	0x00100000
103 #define   EHCI_CMD_ITC_32	0x00200000
104 #define   EHCI_CMD_ITC_64	0x00400000
105 #define  EHCI_CMD_ASPME		0x00000800 /* RW/RO async park enable */
106 #define  EHCI_CMD_ASPMC		0x00000300 /* RW/RO async park count */
107 #define  EHCI_CMD_LHCR		0x00000080 /* RW light host ctrl reset */
108 #define  EHCI_CMD_IAAD		0x00000040 /* RW intr on async adv door bell */
109 #define  EHCI_CMD_ASE		0x00000020 /* RW async sched enable */
110 #define  EHCI_CMD_PSE		0x00000010 /* RW periodic sched enable */
111 #define  EHCI_CMD_FLS_M		0x0000000c /* RW/RO frame list size */
112 #define  EHCI_CMD_FLS(x)	(((x) >> 2) & 3) /* RW/RO frame list size */
113 #define  EHCI_CMD_HCRESET	0x00000002 /* RW reset */
114 #define  EHCI_CMD_RS		0x00000001 /* RW run/stop */
115 
116 #define EHCI_USBSTS		0x04	/* RO, RW, RWC Status register */
117 #define  EHCI_STS_ASS		0x00008000 /* RO async sched status */
118 #define  EHCI_STS_PSS		0x00004000 /* RO periodic sched status */
119 #define  EHCI_STS_REC		0x00002000 /* RO reclamation */
120 #define  EHCI_STS_HCH		0x00001000 /* RO host controller halted */
121 #define  EHCI_STS_IAA		0x00000020 /* RWC interrupt on async adv */
122 #define  EHCI_STS_HSE		0x00000010 /* RWC host system error */
123 #define  EHCI_STS_FLR		0x00000008 /* RWC frame list rollover */
124 #define  EHCI_STS_PCD		0x00000004 /* RWC port change detect */
125 #define  EHCI_STS_ERRINT	0x00000002 /* RWC error interrupt */
126 #define  EHCI_STS_INT		0x00000001 /* RWC interrupt */
127 #define  EHCI_STS_INTRS(x)	((x) & 0x3f)
128 
129 #define EHCI_NORMAL_INTRS (EHCI_STS_IAA | EHCI_STS_HSE | EHCI_STS_PCD | EHCI_STS_ERRINT | EHCI_STS_INT)
130 
131 #define EHCI_USBINTR		0x08	/* RW Interrupt register */
132 #define EHCI_INTR_IAAE		0x00000020 /* interrupt on async advance ena */
133 #define EHCI_INTR_HSEE		0x00000010 /* host system error ena */
134 #define EHCI_INTR_FLRE		0x00000008 /* frame list rollover ena */
135 #define EHCI_INTR_PCIE		0x00000004 /* port change ena */
136 #define EHCI_INTR_UEIE		0x00000002 /* USB error intr ena */
137 #define EHCI_INTR_UIE		0x00000001 /* USB intr ena */
138 
139 #define EHCI_FRINDEX		0x0c	/* RW Frame Index register */
140 
141 #define EHCI_CTRLDSSEGMENT	0x10	/* RW Control Data Structure Segment */
142 
143 #define EHCI_PERIODICLISTBASE	0x14	/* RW Periodic List Base */
144 #define EHCI_ASYNCLISTADDR	0x18	/* RW Async List Base */
145 
146 #define EHCI_CONFIGFLAG		0x40	/* RW Configure Flag register */
147 #define  EHCI_CONF_CF		0x00000001 /* RW configure flag */
148 
149 #define EHCI_PORTSC(n)		(0x40+4*(n)) /* RO, RW, RWC Port Status reg */
150 #define  EHCI_PS_WKOC_E		0x00400000 /* RW wake on over current ena */
151 #define  EHCI_PS_WKDSCNNT_E	0x00200000 /* RW wake on disconnect ena */
152 #define  EHCI_PS_WKCNNT_E	0x00100000 /* RW wake on connect ena */
153 #define  EHCI_PS_PTC		0x000f0000 /* RW port test control */
154 #define  EHCI_PS_PIC		0x0000c000 /* RW port indicator control */
155 #define  EHCI_PS_PO		0x00002000 /* RW port owner */
156 #define  EHCI_PS_PP		0x00001000 /* RW,RO port power */
157 #define  EHCI_PS_LS		0x00000c00 /* RO line status */
158 #define  EHCI_PS_IS_LOWSPEED(x)	(((x) & EHCI_PS_LS) == 0x00000400)
159 #define  EHCI_PS_PR		0x00000100 /* RW port reset */
160 #define  EHCI_PS_SUSP		0x00000080 /* RW suspend */
161 #define  EHCI_PS_FPR		0x00000040 /* RW force port resume */
162 #define  EHCI_PS_OCC		0x00000020 /* RWC over current change */
163 #define  EHCI_PS_OCA		0x00000010 /* RO over current active */
164 #define  EHCI_PS_PEC		0x00000008 /* RWC port enable change */
165 #define  EHCI_PS_PE		0x00000004 /* RW port enable */
166 #define  EHCI_PS_CSC		0x00000002 /* RWC connect status change */
167 #define  EHCI_PS_CS		0x00000001 /* RO connect status */
168 #define  EHCI_PS_CLEAR		(EHCI_PS_OCC|EHCI_PS_PEC|EHCI_PS_CSC)
169 
170 #define EHCI_PORT_RESET_COMPLETE 2 /* ms */
171 
172 #define EHCI_FLALIGN_ALIGN	0x1000
173 #define EHCI_MAX_PORTS		16 /* only 4 bits available in EHCI_HCS_N_PORTS */
174 
175 /* No data structure may cross a page boundary. */
176 #define EHCI_PAGE_SIZE 0x1000
177 #define EHCI_PAGE(x) ((x) &~ 0xfff)
178 #define EHCI_PAGE_OFFSET(x) ((x) & 0xfff)
179 
180 typedef u_int32_t ehci_link_t;
181 #define EHCI_LINK_TERMINATE	0x00000001
182 #define EHCI_LINK_TYPE(x)	((x) & 0x00000006)
183 #define  EHCI_LINK_ITD		0x0
184 #define  EHCI_LINK_QH		0x2
185 #define  EHCI_LINK_SITD		0x4
186 #define  EHCI_LINK_FSTN		0x6
187 #define EHCI_LINK_ADDR(x)	((x) &~ 0x1f)
188 
189 typedef u_int32_t ehci_physaddr_t;
190 
191 typedef u_int32_t ehci_isoc_trans_t;
192 typedef u_int32_t ehci_isoc_bufr_ptr_t;
193 
194 /* Isochronous Transfer Descriptor */
195 typedef struct {
196 	volatile ehci_link_t		itd_next;
197 	volatile ehci_isoc_trans_t	itd_ctl[8];
198 #define EHCI_ITD_GET_STATUS(x) (((x) >> 28) & 0xf)
199 #define EHCI_ITD_SET_STATUS(x) (((x) & 0xf) << 28)
200 #define EHCI_ITD_ACTIVE		0x80000000
201 #define EHCI_ITD_BUF_ERR	0x40000000
202 #define EHCI_ITD_BABBLE		0x20000000
203 #define EHCI_ITD_ERROR		0x10000000
204 #define EHCI_ITD_GET_LEN(x) (((x) >> 16) & 0xfff)
205 #define EHCI_ITD_SET_LEN(x) (((x) & 0xfff) << 16)
206 #define EHCI_ITD_IOC		0x8000
207 #define EHCI_ITD_GET_IOC(x) (((x) >> 15) & 1)
208 #define EHCI_ITD_SET_IOC(x) (((x) << 15) & EHCI_ITD_IOC)
209 #define EHCI_ITD_GET_PG(x) (((x) >> 12) & 0x7)
210 #define EHCI_ITD_SET_PG(x) (((x) & 0x7) << 12)
211 #define EHCI_ITD_GET_OFFS(x) (((x) >> 0) & 0xfff)
212 #define EHCI_ITD_SET_OFFS(x) (((x) & 0xfff) << 0)
213 	volatile ehci_isoc_bufr_ptr_t	itd_bufr[7];
214 #define EHCI_ITD_GET_BPTR(x) ((x) & 0xfffff000)
215 #define EHCI_ITD_SET_BPTR(x) ((x) & 0xfffff000)
216 #define EHCI_ITD_GET_EP(x) (((x) >> 8) & 0xf)
217 #define EHCI_ITD_SET_EP(x) (((x) & 0xf) << 8)
218 #define EHCI_ITD_GET_DADDR(x) ((x) & 0x7f)
219 #define EHCI_ITD_SET_DADDR(x) ((x) & 0x7f)
220 #define EHCI_ITD_GET_DIR(x) (((x) >> 11) & 1)
221 #define EHCI_ITD_SET_DIR(x) (((x) & 1) << 11)
222 #define EHCI_ITD_GET_MAXPKT(x) ((x) & 0x7ff)
223 #define EHCI_ITD_SET_MAXPKT(x) ((x) & 0x7ff)
224 #define EHCI_ITD_GET_MULTI(x) ((x) & 0x3)
225 #define EHCI_ITD_SET_MULTI(x) ((x) & 0x3)
226 	volatile ehci_isoc_bufr_ptr_t	itd_bufr_hi[7];
227 } ehci_itd_t;
228 #define EHCI_ITD_ALIGN 32
229 
230 /* Split Transaction Isochronous Transfer Descriptor */
231 typedef struct {
232 	volatile ehci_link_t	sitd_next;
233 	/* XXX many more */
234 } ehci_sitd_t;
235 #define EHCI_SITD_ALIGN 32
236 
237 /* Queue Element Transfer Descriptor */
238 #define EHCI_QTD_NBUFFERS 5
239 typedef struct {
240 	volatile ehci_link_t	qtd_next;
241 	volatile ehci_link_t	qtd_altnext;
242 	volatile u_int32_t	qtd_status;
243 #define EHCI_QTD_GET_STATUS(x)	(((x) >>  0) & 0xff)
244 #define EHCI_QTD_SET_STATUS(x)	((x) <<  0)
245 #define  EHCI_QTD_ACTIVE	0x80
246 #define  EHCI_QTD_HALTED	0x40
247 #define  EHCI_QTD_BUFERR	0x20
248 #define  EHCI_QTD_BABBLE	0x10
249 #define  EHCI_QTD_XACTERR	0x08
250 #define  EHCI_QTD_MISSEDMICRO	0x04
251 #define  EHCI_QTD_SPLITXSTATE	0x02
252 #define  EHCI_QTD_PINGSTATE	0x01
253 #define  EHCI_QTD_STATERRS	0x3c
254 #define EHCI_QTD_GET_PID(x)	(((x) >>  8) & 0x3)
255 #define EHCI_QTD_SET_PID(x)	((x) <<  8)
256 #define  EHCI_QTD_PID_OUT	0x0
257 #define  EHCI_QTD_PID_IN	0x1
258 #define  EHCI_QTD_PID_SETUP	0x2
259 #define EHCI_QTD_GET_CERR(x)	(((x) >> 10) &  0x3)
260 #define EHCI_QTD_SET_CERR(x)	((x) << 10)
261 #define EHCI_QTD_GET_C_PAGE(x)	(((x) >> 12) &  0x7)
262 #define EHCI_QTD_SET_C_PAGE(x)	((x) << 12)
263 #define EHCI_QTD_GET_IOC(x)	(((x) >> 15) &  0x1)
264 #define EHCI_QTD_IOC		0x00008000
265 #define EHCI_QTD_GET_BYTES(x)	(((x) >> 16) &  0x7fff)
266 #define EHCI_QTD_SET_BYTES(x)	((x) << 16)
267 #define EHCI_QTD_GET_TOGGLE(x)	(((x) >> 31) &  0x1)
268 #define	EHCI_QTD_SET_TOGGLE(x)	((x) << 31)
269 #define EHCI_QTD_TOGGLE_MASK	0x80000000
270 	volatile ehci_physaddr_t qtd_buffer[EHCI_QTD_NBUFFERS];
271 	volatile ehci_physaddr_t qtd_buffer_hi[EHCI_QTD_NBUFFERS];
272 } ehci_qtd_t;
273 #define EHCI_QTD_ALIGN 32
274 
275 /* Queue Head */
276 typedef struct {
277 	volatile ehci_link_t	qh_link;
278 	volatile u_int32_t	qh_endp;
279 #define EHCI_QH_GET_ADDR(x)	(((x) >>  0) & 0x7f) /* endpoint addr */
280 #define EHCI_QH_SET_ADDR(x)	(x)
281 #define EHCI_QH_ADDRMASK	0x0000007f
282 #define EHCI_QH_GET_INACT(x)	(((x) >>  7) & 0x01) /* inactivate on next */
283 #define EHCI_QH_INACT		0x00000080
284 #define EHCI_QH_GET_ENDPT(x)	(((x) >>  8) & 0x0f) /* endpoint no */
285 #define EHCI_QH_SET_ENDPT(x)	((x) <<  8)
286 #define EHCI_QH_GET_EPS(x)	(((x) >> 12) & 0x03) /* endpoint speed */
287 #define EHCI_QH_SET_EPS(x)	((x) << 12)
288 #define  EHCI_QH_SPEED_FULL	0x0
289 #define  EHCI_QH_SPEED_LOW	0x1
290 #define  EHCI_QH_SPEED_HIGH	0x2
291 #define EHCI_QH_GET_DTC(x)	(((x) >> 14) & 0x01) /* data toggle control */
292 #define EHCI_QH_DTC		0x00004000
293 #define EHCI_QH_GET_HRECL(x)	(((x) >> 15) & 0x01) /* head of reclamation */
294 #define EHCI_QH_HRECL		0x00008000
295 #define EHCI_QH_GET_MPL(x)	(((x) >> 16) & 0x7ff) /* max packet len */
296 #define EHCI_QH_SET_MPL(x)	((x) << 16)
297 #define EHCI_QH_MPLMASK		0x07ff0000
298 #define EHCI_QH_GET_CTL(x)	(((x) >> 27) & 0x01) /* control endpoint */
299 #define EHCI_QH_CTL		0x08000000
300 #define EHCI_QH_GET_NRL(x)	(((x) >> 28) & 0x0f) /* NAK reload */
301 #define EHCI_QH_SET_NRL(x)	((x) << 28)
302 	volatile u_int32_t	qh_endphub;
303 #define EHCI_QH_GET_SMASK(x)	(((x) >>  0) & 0xff) /* intr sched mask */
304 #define EHCI_QH_SET_SMASK(x)	((x) <<  0)
305 #define EHCI_QH_GET_CMASK(x)	(((x) >>  8) & 0xff) /* split completion mask */
306 #define EHCI_QH_SET_CMASK(x)	((x) <<  8)
307 #define EHCI_QH_GET_HUBA(x)	(((x) >> 16) & 0x7f) /* hub address */
308 #define EHCI_QH_SET_HUBA(x)	((x) << 16)
309 #define EHCI_QH_GET_PORT(x)	(((x) >> 23) & 0x7f) /* hub port */
310 #define EHCI_QH_SET_PORT(x)	((x) << 23)
311 #define EHCI_QH_GET_MULT(x)	(((x) >> 30) & 0x03) /* pipe multiplier */
312 #define EHCI_QH_SET_MULT(x)	((x) << 30)
313 	volatile ehci_link_t	qh_curqtd;
314 	ehci_qtd_t		qh_qtd;
315 } ehci_qh_t;
316 #define EHCI_QH_ALIGN 32
317 
318 /* Periodic Frame Span Traversal Node */
319 typedef struct {
320 	volatile ehci_link_t	fstn_link;
321 	volatile ehci_link_t	fstn_back;
322 } ehci_fstn_t;
323 #define EHCI_FSTN_ALIGN 32
324 
325 #endif /* _DEV_PCI_EHCIREG_H_ */
326