1 /*
2  * MUSB OTG driver register defines
3  *
4  * Copyright 2005 Mentor Graphics Corporation
5  * Copyright (C) 2005-2006 by Texas Instruments
6  * Copyright (C) 2006-2007 Nokia Corporation
7  *
8  * SPDX-License-Identifier:	GPL-2.0
9  */
10 
11 #ifndef __MUSB_REGS_H__
12 #define __MUSB_REGS_H__
13 
14 #define MUSB_EP0_FIFOSIZE	64	/* This is non-configurable */
15 
16 /*
17  * MUSB Register bits
18  */
19 
20 /* POWER */
21 #define MUSB_POWER_ISOUPDATE	0x80
22 #define MUSB_POWER_SOFTCONN	0x40
23 #define MUSB_POWER_HSENAB	0x20
24 #define MUSB_POWER_HSMODE	0x10
25 #define MUSB_POWER_RESET	0x08
26 #define MUSB_POWER_RESUME	0x04
27 #define MUSB_POWER_SUSPENDM	0x02
28 #define MUSB_POWER_ENSUSPEND	0x01
29 
30 /* INTRUSB */
31 #define MUSB_INTR_SUSPEND	0x01
32 #define MUSB_INTR_RESUME	0x02
33 #define MUSB_INTR_RESET		0x04
34 #define MUSB_INTR_BABBLE	0x04
35 #define MUSB_INTR_SOF		0x08
36 #define MUSB_INTR_CONNECT	0x10
37 #define MUSB_INTR_DISCONNECT	0x20
38 #define MUSB_INTR_SESSREQ	0x40
39 #define MUSB_INTR_VBUSERROR	0x80	/* For SESSION end */
40 
41 /* DEVCTL */
42 #define MUSB_DEVCTL_BDEVICE	0x80
43 #define MUSB_DEVCTL_FSDEV	0x40
44 #define MUSB_DEVCTL_LSDEV	0x20
45 #define MUSB_DEVCTL_VBUS	0x18
46 #define MUSB_DEVCTL_VBUS_SHIFT	3
47 #define MUSB_DEVCTL_HM		0x04
48 #define MUSB_DEVCTL_HR		0x02
49 #define MUSB_DEVCTL_SESSION	0x01
50 
51 /* MUSB ULPI VBUSCONTROL */
52 #define MUSB_ULPI_USE_EXTVBUS	0x01
53 #define MUSB_ULPI_USE_EXTVBUSIND 0x02
54 /* ULPI_REG_CONTROL */
55 #define MUSB_ULPI_REG_REQ	(1 << 0)
56 #define MUSB_ULPI_REG_CMPLT	(1 << 1)
57 #define MUSB_ULPI_RDN_WR	(1 << 2)
58 
59 /* TESTMODE */
60 #define MUSB_TEST_FORCE_HOST	0x80
61 #define MUSB_TEST_FIFO_ACCESS	0x40
62 #define MUSB_TEST_FORCE_FS	0x20
63 #define MUSB_TEST_FORCE_HS	0x10
64 #define MUSB_TEST_PACKET	0x08
65 #define MUSB_TEST_K		0x04
66 #define MUSB_TEST_J		0x02
67 #define MUSB_TEST_SE0_NAK	0x01
68 
69 /* Allocate for double-packet buffering (effectively doubles assigned _SIZE) */
70 #define MUSB_FIFOSZ_DPB	0x10
71 /* Allocation size (8, 16, 32, ... 4096) */
72 #define MUSB_FIFOSZ_SIZE	0x0f
73 
74 /* CSR0 */
75 #define MUSB_CSR0_FLUSHFIFO	0x0100
76 #define MUSB_CSR0_TXPKTRDY	0x0002
77 #define MUSB_CSR0_RXPKTRDY	0x0001
78 
79 /* CSR0 in Peripheral mode */
80 #define MUSB_CSR0_P_SVDSETUPEND	0x0080
81 #define MUSB_CSR0_P_SVDRXPKTRDY	0x0040
82 #define MUSB_CSR0_P_SENDSTALL	0x0020
83 #define MUSB_CSR0_P_SETUPEND	0x0010
84 #define MUSB_CSR0_P_DATAEND	0x0008
85 #define MUSB_CSR0_P_SENTSTALL	0x0004
86 
87 /* CSR0 in Host mode */
88 #define MUSB_CSR0_H_DIS_PING		0x0800
89 #define MUSB_CSR0_H_WR_DATATOGGLE	0x0400	/* Set to allow setting: */
90 #define MUSB_CSR0_H_DATATOGGLE		0x0200	/* Data toggle control */
91 #define MUSB_CSR0_H_NAKTIMEOUT		0x0080
92 #define MUSB_CSR0_H_STATUSPKT		0x0040
93 #define MUSB_CSR0_H_REQPKT		0x0020
94 #define MUSB_CSR0_H_ERROR		0x0010
95 #define MUSB_CSR0_H_SETUPPKT		0x0008
96 #define MUSB_CSR0_H_RXSTALL		0x0004
97 
98 /* CSR0 bits to avoid zeroing (write zero clears, write 1 ignored) */
99 #define MUSB_CSR0_P_WZC_BITS	\
100 	(MUSB_CSR0_P_SENTSTALL)
101 #define MUSB_CSR0_H_WZC_BITS	\
102 	(MUSB_CSR0_H_NAKTIMEOUT | MUSB_CSR0_H_RXSTALL \
103 	| MUSB_CSR0_RXPKTRDY)
104 
105 /* TxType/RxType */
106 #define MUSB_TYPE_SPEED		0xc0
107 #define MUSB_TYPE_SPEED_SHIFT	6
108 #define MUSB_TYPE_PROTO		0x30	/* Implicitly zero for ep0 */
109 #define MUSB_TYPE_PROTO_SHIFT	4
110 #define MUSB_TYPE_REMOTE_END	0xf	/* Implicitly zero for ep0 */
111 
112 /* CONFIGDATA */
113 #define MUSB_CONFIGDATA_MPRXE		0x80	/* Auto bulk pkt combining */
114 #define MUSB_CONFIGDATA_MPTXE		0x40	/* Auto bulk pkt splitting */
115 #define MUSB_CONFIGDATA_BIGENDIAN	0x20
116 #define MUSB_CONFIGDATA_HBRXE		0x10	/* HB-ISO for RX */
117 #define MUSB_CONFIGDATA_HBTXE		0x08	/* HB-ISO for TX */
118 #define MUSB_CONFIGDATA_DYNFIFO		0x04	/* Dynamic FIFO sizing */
119 #define MUSB_CONFIGDATA_SOFTCONE	0x02	/* SoftConnect */
120 #define MUSB_CONFIGDATA_UTMIDW		0x01	/* Data width 0/1 => 8/16bits */
121 
122 /* TXCSR in Peripheral and Host mode */
123 #define MUSB_TXCSR_AUTOSET		0x8000
124 #define MUSB_TXCSR_DMAENAB		0x1000
125 #define MUSB_TXCSR_FRCDATATOG		0x0800
126 #define MUSB_TXCSR_DMAMODE		0x0400
127 #define MUSB_TXCSR_CLRDATATOG		0x0040
128 #define MUSB_TXCSR_FLUSHFIFO		0x0008
129 #define MUSB_TXCSR_FIFONOTEMPTY		0x0002
130 #define MUSB_TXCSR_TXPKTRDY		0x0001
131 
132 /* TXCSR in Peripheral mode */
133 #define MUSB_TXCSR_P_ISO		0x4000
134 #define MUSB_TXCSR_P_INCOMPTX		0x0080
135 #define MUSB_TXCSR_P_SENTSTALL		0x0020
136 #define MUSB_TXCSR_P_SENDSTALL		0x0010
137 #define MUSB_TXCSR_P_UNDERRUN		0x0004
138 
139 /* TXCSR in Host mode */
140 #define MUSB_TXCSR_H_WR_DATATOGGLE	0x0200
141 #define MUSB_TXCSR_H_DATATOGGLE		0x0100
142 #define MUSB_TXCSR_H_NAKTIMEOUT		0x0080
143 #define MUSB_TXCSR_H_RXSTALL		0x0020
144 #define MUSB_TXCSR_H_ERROR		0x0004
145 
146 /* TXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
147 #define MUSB_TXCSR_P_WZC_BITS	\
148 	(MUSB_TXCSR_P_INCOMPTX | MUSB_TXCSR_P_SENTSTALL \
149 	| MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_FIFONOTEMPTY)
150 #define MUSB_TXCSR_H_WZC_BITS	\
151 	(MUSB_TXCSR_H_NAKTIMEOUT | MUSB_TXCSR_H_RXSTALL \
152 	| MUSB_TXCSR_H_ERROR | MUSB_TXCSR_FIFONOTEMPTY)
153 
154 /* RXCSR in Peripheral and Host mode */
155 #define MUSB_RXCSR_AUTOCLEAR		0x8000
156 #define MUSB_RXCSR_DMAENAB		0x2000
157 #define MUSB_RXCSR_DISNYET		0x1000
158 #define MUSB_RXCSR_PID_ERR		0x1000
159 #define MUSB_RXCSR_DMAMODE		0x0800
160 #define MUSB_RXCSR_INCOMPRX		0x0100
161 #define MUSB_RXCSR_CLRDATATOG		0x0080
162 #define MUSB_RXCSR_FLUSHFIFO		0x0010
163 #define MUSB_RXCSR_DATAERROR		0x0008
164 #define MUSB_RXCSR_FIFOFULL		0x0002
165 #define MUSB_RXCSR_RXPKTRDY		0x0001
166 
167 /* RXCSR in Peripheral mode */
168 #define MUSB_RXCSR_P_ISO		0x4000
169 #define MUSB_RXCSR_P_SENTSTALL		0x0040
170 #define MUSB_RXCSR_P_SENDSTALL		0x0020
171 #define MUSB_RXCSR_P_OVERRUN		0x0004
172 
173 /* RXCSR in Host mode */
174 #define MUSB_RXCSR_H_AUTOREQ		0x4000
175 #define MUSB_RXCSR_H_WR_DATATOGGLE	0x0400
176 #define MUSB_RXCSR_H_DATATOGGLE		0x0200
177 #define MUSB_RXCSR_H_RXSTALL		0x0040
178 #define MUSB_RXCSR_H_REQPKT		0x0020
179 #define MUSB_RXCSR_H_ERROR		0x0004
180 
181 /* RXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
182 #define MUSB_RXCSR_P_WZC_BITS	\
183 	(MUSB_RXCSR_P_SENTSTALL | MUSB_RXCSR_P_OVERRUN \
184 	| MUSB_RXCSR_RXPKTRDY)
185 #define MUSB_RXCSR_H_WZC_BITS	\
186 	(MUSB_RXCSR_H_RXSTALL | MUSB_RXCSR_H_ERROR \
187 	| MUSB_RXCSR_DATAERROR | MUSB_RXCSR_RXPKTRDY)
188 
189 /* HUBADDR */
190 #define MUSB_HUBADDR_MULTI_TT		0x80
191 
192 
193 /* SUNXI has different reg addresses, but identical r/w functions */
194 #ifndef CONFIG_ARCH_SUNXI
195 
196 /*
197  * Common USB registers
198  */
199 
200 #define MUSB_FADDR		0x00	/* 8-bit */
201 #define MUSB_POWER		0x01	/* 8-bit */
202 
203 #define MUSB_INTRTX		0x02	/* 16-bit */
204 #define MUSB_INTRRX		0x04
205 #define MUSB_INTRTXE		0x06
206 #define MUSB_INTRRXE		0x08
207 #define MUSB_INTRUSB		0x0A	/* 8 bit */
208 #define MUSB_INTRUSBE		0x0B	/* 8 bit */
209 #define MUSB_FRAME		0x0C
210 #define MUSB_INDEX		0x0E	/* 8 bit */
211 #define MUSB_TESTMODE		0x0F	/* 8 bit */
212 
213 /* Get offset for a given FIFO from musb->mregs */
214 #if defined(CONFIG_USB_MUSB_TUSB6010) ||	\
215 	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
216 #define MUSB_FIFO_OFFSET(epnum)	(0x200 + ((epnum) * 0x20))
217 #else
218 #define MUSB_FIFO_OFFSET(epnum)	(0x20 + ((epnum) * 4))
219 #endif
220 
221 /*
222  * Additional Control Registers
223  */
224 
225 #define MUSB_DEVCTL		0x60	/* 8 bit */
226 
227 /* These are always controlled through the INDEX register */
228 #define MUSB_TXFIFOSZ		0x62	/* 8-bit (see masks) */
229 #define MUSB_RXFIFOSZ		0x63	/* 8-bit (see masks) */
230 #define MUSB_TXFIFOADD		0x64	/* 16-bit offset shifted right 3 */
231 #define MUSB_RXFIFOADD		0x66	/* 16-bit offset shifted right 3 */
232 
233 /* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
234 #define MUSB_HWVERS		0x6C	/* 8 bit */
235 #define MUSB_ULPI_BUSCONTROL	0x70	/* 8 bit */
236 #define MUSB_ULPI_INT_MASK	0x72	/* 8 bit */
237 #define MUSB_ULPI_INT_SRC	0x73	/* 8 bit */
238 #define MUSB_ULPI_REG_DATA	0x74	/* 8 bit */
239 #define MUSB_ULPI_REG_ADDR	0x75	/* 8 bit */
240 #define MUSB_ULPI_REG_CONTROL	0x76	/* 8 bit */
241 #define MUSB_ULPI_RAW_DATA	0x77	/* 8 bit */
242 
243 #define MUSB_EPINFO		0x78	/* 8 bit */
244 #define MUSB_RAMINFO		0x79	/* 8 bit */
245 #define MUSB_LINKINFO		0x7a	/* 8 bit */
246 #define MUSB_VPLEN		0x7b	/* 8 bit */
247 #define MUSB_HS_EOF1		0x7c	/* 8 bit */
248 #define MUSB_FS_EOF1		0x7d	/* 8 bit */
249 #define MUSB_LS_EOF1		0x7e	/* 8 bit */
250 
251 /* Offsets to endpoint registers */
252 #define MUSB_TXMAXP		0x00
253 #define MUSB_TXCSR		0x02
254 #define MUSB_CSR0		MUSB_TXCSR	/* Re-used for EP0 */
255 #define MUSB_RXMAXP		0x04
256 #define MUSB_RXCSR		0x06
257 #define MUSB_RXCOUNT		0x08
258 #define MUSB_COUNT0		MUSB_RXCOUNT	/* Re-used for EP0 */
259 #define MUSB_TXTYPE		0x0A
260 #define MUSB_TYPE0		MUSB_TXTYPE	/* Re-used for EP0 */
261 #define MUSB_TXINTERVAL		0x0B
262 #define MUSB_NAKLIMIT0		MUSB_TXINTERVAL	/* Re-used for EP0 */
263 #define MUSB_RXTYPE		0x0C
264 #define MUSB_RXINTERVAL		0x0D
265 #define MUSB_FIFOSIZE		0x0F
266 #define MUSB_CONFIGDATA		MUSB_FIFOSIZE	/* Re-used for EP0 */
267 
268 /* Offsets to endpoint registers in indexed model (using INDEX register) */
269 #define MUSB_INDEXED_OFFSET(_epnum, _offset)	\
270 	(0x10 + (_offset))
271 
272 /* Offsets to endpoint registers in flat models */
273 #define MUSB_FLAT_OFFSET(_epnum, _offset)	\
274 	(0x100 + (0x10*(_epnum)) + (_offset))
275 
276 #if defined(CONFIG_USB_MUSB_TUSB6010) ||	\
277 	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
278 /* TUSB6010 EP0 configuration register is special */
279 #define MUSB_TUSB_OFFSET(_epnum, _offset)	\
280 	(0x10 + _offset)
281 #include "tusb6010.h"		/* Needed "only" for TUSB_EP0_CONF */
282 #endif
283 
284 #define MUSB_TXCSR_MODE			0x2000
285 
286 /* "bus control"/target registers, for host side multipoint (external hubs) */
287 #define MUSB_TXFUNCADDR		0x00
288 #define MUSB_TXHUBADDR		0x02
289 #define MUSB_TXHUBPORT		0x03
290 
291 #define MUSB_RXFUNCADDR		0x04
292 #define MUSB_RXHUBADDR		0x06
293 #define MUSB_RXHUBPORT		0x07
294 
295 #define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
296 	(0x80 + (8*(_epnum)) + (_offset))
297 
298 #else /* CONFIG_ARCH_SUNXI */
299 
300 /*
301  * Common USB registers
302  */
303 
304 #define MUSB_FADDR		0x0098
305 #define MUSB_POWER		0x0040
306 
307 #define MUSB_INTRTX		0x0044
308 #define MUSB_INTRRX		0x0046
309 #define MUSB_INTRTXE		0x0048
310 #define MUSB_INTRRXE		0x004A
311 #define MUSB_INTRUSB		0x004C
312 #define MUSB_INTRUSBE		0x0050
313 #define MUSB_FRAME		0x0054
314 #define MUSB_INDEX		0x0042
315 #define MUSB_TESTMODE		0x007C
316 
317 /* Get offset for a given FIFO from musb->mregs */
318 #define MUSB_FIFO_OFFSET(epnum)	(0x00 + ((epnum) * 4))
319 
320 /*
321  * Additional Control Registers
322  */
323 
324 #define MUSB_DEVCTL		0x0041
325 
326 /* These are always controlled through the INDEX register */
327 #define MUSB_TXFIFOSZ		0x0090
328 #define MUSB_RXFIFOSZ		0x0094
329 #define MUSB_TXFIFOADD		0x0092
330 #define MUSB_RXFIFOADD		0x0096
331 
332 #define MUSB_EPINFO		0x0078
333 #define MUSB_RAMINFO		0x0079
334 #define MUSB_LINKINFO		0x007A
335 #define MUSB_VPLEN		0x007B
336 #define MUSB_HS_EOF1		0x007C
337 #define MUSB_FS_EOF1		0x007D
338 #define MUSB_LS_EOF1		0x007E
339 
340 /* Offsets to endpoint registers */
341 #define MUSB_TXMAXP		0x0080
342 #define MUSB_TXCSR		0x0082
343 #define MUSB_CSR0		0x0082
344 #define MUSB_RXMAXP		0x0084
345 #define MUSB_RXCSR		0x0086
346 #define MUSB_RXCOUNT		0x0088
347 #define MUSB_COUNT0		0x0088
348 #define MUSB_TXTYPE		0x008C
349 #define MUSB_TYPE0		0x008C
350 #define MUSB_TXINTERVAL		0x008D
351 #define MUSB_NAKLIMIT0		0x008D
352 #define MUSB_RXTYPE		0x008E
353 #define MUSB_RXINTERVAL		0x008F
354 
355 #define MUSB_CONFIGDATA		0x00b0 /* musb_read_configdata adds 0x10 ! */
356 #define MUSB_FIFOSIZE		0x0090
357 
358 /* Offsets to endpoint registers in indexed model (using INDEX register) */
359 #define MUSB_INDEXED_OFFSET(_epnum, _offset) (_offset)
360 
361 #define MUSB_TXCSR_MODE		0x2000
362 
363 /* "bus control"/target registers, for host side multipoint (external hubs) */
364 #define MUSB_TXFUNCADDR		0x0098
365 #define MUSB_TXHUBADDR		0x009A
366 #define MUSB_TXHUBPORT		0x009B
367 
368 #define MUSB_RXFUNCADDR		0x009C
369 #define MUSB_RXHUBADDR		0x009E
370 #define MUSB_RXHUBPORT		0x009F
371 
372 /* Endpoint is selected with MUSB_INDEX. */
373 #define MUSB_BUSCTL_OFFSET(_epnum, _offset) (_offset)
374 
375 #endif /* CONFIG_ARCH_SUNXI */
376 
377 static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
378 {
379 	musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
380 }
381 
382 static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
383 {
384 	musb_writew(mbase, MUSB_TXFIFOADD, c_off);
385 }
386 
387 static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
388 {
389 	musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
390 }
391 
392 static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
393 {
394 	musb_writew(mbase, MUSB_RXFIFOADD, c_off);
395 }
396 
397 static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
398 {
399 #ifndef CONFIG_ARCH_SUNXI /* No ulpi on sunxi */
400 	musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val);
401 #endif
402 }
403 
404 static inline u8 musb_read_txfifosz(void __iomem *mbase)
405 {
406 	return musb_readb(mbase, MUSB_TXFIFOSZ);
407 }
408 
409 static inline u16 musb_read_txfifoadd(void __iomem *mbase)
410 {
411 	return musb_readw(mbase, MUSB_TXFIFOADD);
412 }
413 
414 static inline u8 musb_read_rxfifosz(void __iomem *mbase)
415 {
416 	return musb_readb(mbase, MUSB_RXFIFOSZ);
417 }
418 
419 static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
420 {
421 	return musb_readw(mbase, MUSB_RXFIFOADD);
422 }
423 
424 static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
425 {
426 #ifdef CONFIG_ARCH_SUNXI /* No ulpi on sunxi */
427 	return 0;
428 #else
429 	return musb_readb(mbase, MUSB_ULPI_BUSCONTROL);
430 #endif
431 }
432 
433 static inline u8 musb_read_configdata(void __iomem *mbase)
434 {
435 #if defined CONFIG_MACH_SUN8I_A33 || defined CONFIG_MACH_SUN8I_A83T
436 	/* <Sigh> allwinner saves a reg, and we need to hardcode this */
437 	return 0xde;
438 #else
439 	musb_writeb(mbase, MUSB_INDEX, 0);
440 	return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA);
441 #endif
442 }
443 
444 static inline u16 musb_read_hwvers(void __iomem *mbase)
445 {
446 #ifdef CONFIG_ARCH_SUNXI
447 	return 0; /* Unknown version */
448 #else
449 	return musb_readw(mbase, MUSB_HWVERS);
450 #endif
451 }
452 
453 static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
454 {
455 	return (MUSB_BUSCTL_OFFSET(i, 0) + mbase);
456 }
457 
458 static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
459 		u8 qh_addr_reg)
460 {
461 	musb_writeb(ep_target_regs, MUSB_RXFUNCADDR, qh_addr_reg);
462 }
463 
464 static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
465 		u8 qh_h_addr_reg)
466 {
467 	musb_writeb(ep_target_regs, MUSB_RXHUBADDR, qh_h_addr_reg);
468 }
469 
470 static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
471 		u8 qh_h_port_reg)
472 {
473 	musb_writeb(ep_target_regs, MUSB_RXHUBPORT, qh_h_port_reg);
474 }
475 
476 static inline void  musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
477 		u8 qh_addr_reg)
478 {
479 	musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR),
480 			qh_addr_reg);
481 }
482 
483 static inline void  musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
484 		u8 qh_addr_reg)
485 {
486 	musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR),
487 			qh_addr_reg);
488 }
489 
490 static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
491 		u8 qh_h_port_reg)
492 {
493 	musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT),
494 			qh_h_port_reg);
495 }
496 
497 static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
498 {
499 	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXFUNCADDR));
500 }
501 
502 static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
503 {
504 	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBADDR));
505 }
506 
507 static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
508 {
509 	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBPORT));
510 }
511 
512 static inline u8  musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
513 {
514 	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR));
515 }
516 
517 static inline u8  musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
518 {
519 	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR));
520 }
521 
522 static inline u8  musb_read_txhubport(void __iomem *mbase, u8 epnum)
523 {
524 	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT));
525 }
526 
527 #endif	/* __MUSB_REGS_H__ */
528