1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * MUSB OTG driver register defines
4  *
5  * Copyright 2005 Mentor Graphics Corporation
6  * Copyright (C) 2005-2006 by Texas Instruments
7  * Copyright (C) 2006-2007 Nokia Corporation
8  */
9 
10 #ifndef __MUSB_REGS_H__
11 #define __MUSB_REGS_H__
12 
13 #define MUSB_EP0_FIFOSIZE	64	/* This is non-configurable */
14 
15 /*
16  * MUSB Register bits
17  */
18 
19 /* POWER */
20 #define MUSB_POWER_ISOUPDATE	0x80
21 #define MUSB_POWER_SOFTCONN	0x40
22 #define MUSB_POWER_HSENAB	0x20
23 #define MUSB_POWER_HSMODE	0x10
24 #define MUSB_POWER_RESET	0x08
25 #define MUSB_POWER_RESUME	0x04
26 #define MUSB_POWER_SUSPENDM	0x02
27 #define MUSB_POWER_ENSUSPEND	0x01
28 
29 /* INTRUSB */
30 #define MUSB_INTR_SUSPEND	0x01
31 #define MUSB_INTR_RESUME	0x02
32 #define MUSB_INTR_RESET		0x04
33 #define MUSB_INTR_BABBLE	0x04
34 #define MUSB_INTR_SOF		0x08
35 #define MUSB_INTR_CONNECT	0x10
36 #define MUSB_INTR_DISCONNECT	0x20
37 #define MUSB_INTR_SESSREQ	0x40
38 #define MUSB_INTR_VBUSERROR	0x80	/* For SESSION end */
39 
40 /* DEVCTL */
41 #define MUSB_DEVCTL_BDEVICE	0x80
42 #define MUSB_DEVCTL_FSDEV	0x40
43 #define MUSB_DEVCTL_LSDEV	0x20
44 #define MUSB_DEVCTL_VBUS	0x18
45 #define MUSB_DEVCTL_VBUS_SHIFT	3
46 #define MUSB_DEVCTL_HM		0x04
47 #define MUSB_DEVCTL_HR		0x02
48 #define MUSB_DEVCTL_SESSION	0x01
49 
50 /* MUSB ULPI VBUSCONTROL */
51 #define MUSB_ULPI_USE_EXTVBUS	0x01
52 #define MUSB_ULPI_USE_EXTVBUSIND 0x02
53 /* ULPI_REG_CONTROL */
54 #define MUSB_ULPI_REG_REQ	(1 << 0)
55 #define MUSB_ULPI_REG_CMPLT	(1 << 1)
56 #define MUSB_ULPI_RDN_WR	(1 << 2)
57 
58 /* TESTMODE */
59 #define MUSB_TEST_FORCE_HOST	0x80
60 #define MUSB_TEST_FIFO_ACCESS	0x40
61 #define MUSB_TEST_FORCE_FS	0x20
62 #define MUSB_TEST_FORCE_HS	0x10
63 #define MUSB_TEST_PACKET	0x08
64 #define MUSB_TEST_K		0x04
65 #define MUSB_TEST_J		0x02
66 #define MUSB_TEST_SE0_NAK	0x01
67 
68 /* Allocate for double-packet buffering (effectively doubles assigned _SIZE) */
69 #define MUSB_FIFOSZ_DPB	0x10
70 /* Allocation size (8, 16, 32, ... 4096) */
71 #define MUSB_FIFOSZ_SIZE	0x0f
72 
73 /* CSR0 */
74 #define MUSB_CSR0_FLUSHFIFO	0x0100
75 #define MUSB_CSR0_TXPKTRDY	0x0002
76 #define MUSB_CSR0_RXPKTRDY	0x0001
77 
78 /* CSR0 in Peripheral mode */
79 #define MUSB_CSR0_P_SVDSETUPEND	0x0080
80 #define MUSB_CSR0_P_SVDRXPKTRDY	0x0040
81 #define MUSB_CSR0_P_SENDSTALL	0x0020
82 #define MUSB_CSR0_P_SETUPEND	0x0010
83 #define MUSB_CSR0_P_DATAEND	0x0008
84 #define MUSB_CSR0_P_SENTSTALL	0x0004
85 
86 /* CSR0 in Host mode */
87 #define MUSB_CSR0_H_DIS_PING		0x0800
88 #define MUSB_CSR0_H_WR_DATATOGGLE	0x0400	/* Set to allow setting: */
89 #define MUSB_CSR0_H_DATATOGGLE		0x0200	/* Data toggle control */
90 #define MUSB_CSR0_H_NAKTIMEOUT		0x0080
91 #define MUSB_CSR0_H_STATUSPKT		0x0040
92 #define MUSB_CSR0_H_REQPKT		0x0020
93 #define MUSB_CSR0_H_ERROR		0x0010
94 #define MUSB_CSR0_H_SETUPPKT		0x0008
95 #define MUSB_CSR0_H_RXSTALL		0x0004
96 
97 /* CSR0 bits to avoid zeroing (write zero clears, write 1 ignored) */
98 #define MUSB_CSR0_P_WZC_BITS	\
99 	(MUSB_CSR0_P_SENTSTALL)
100 #define MUSB_CSR0_H_WZC_BITS	\
101 	(MUSB_CSR0_H_NAKTIMEOUT | MUSB_CSR0_H_RXSTALL \
102 	| MUSB_CSR0_RXPKTRDY)
103 
104 /* TxType/RxType */
105 #define MUSB_TYPE_SPEED		0xc0
106 #define MUSB_TYPE_SPEED_SHIFT	6
107 #define MUSB_TYPE_PROTO		0x30	/* Implicitly zero for ep0 */
108 #define MUSB_TYPE_PROTO_SHIFT	4
109 #define MUSB_TYPE_REMOTE_END	0xf	/* Implicitly zero for ep0 */
110 
111 /* CONFIGDATA */
112 #define MUSB_CONFIGDATA_MPRXE		0x80	/* Auto bulk pkt combining */
113 #define MUSB_CONFIGDATA_MPTXE		0x40	/* Auto bulk pkt splitting */
114 #define MUSB_CONFIGDATA_BIGENDIAN	0x20
115 #define MUSB_CONFIGDATA_HBRXE		0x10	/* HB-ISO for RX */
116 #define MUSB_CONFIGDATA_HBTXE		0x08	/* HB-ISO for TX */
117 #define MUSB_CONFIGDATA_DYNFIFO		0x04	/* Dynamic FIFO sizing */
118 #define MUSB_CONFIGDATA_SOFTCONE	0x02	/* SoftConnect */
119 #define MUSB_CONFIGDATA_UTMIDW		0x01	/* Data width 0/1 => 8/16bits */
120 
121 /* TXCSR in Peripheral and Host mode */
122 #define MUSB_TXCSR_AUTOSET		0x8000
123 #define MUSB_TXCSR_DMAENAB		0x1000
124 #define MUSB_TXCSR_FRCDATATOG		0x0800
125 #define MUSB_TXCSR_DMAMODE		0x0400
126 #define MUSB_TXCSR_CLRDATATOG		0x0040
127 #define MUSB_TXCSR_FLUSHFIFO		0x0008
128 #define MUSB_TXCSR_FIFONOTEMPTY		0x0002
129 #define MUSB_TXCSR_TXPKTRDY		0x0001
130 
131 /* TXCSR in Peripheral mode */
132 #define MUSB_TXCSR_P_ISO		0x4000
133 #define MUSB_TXCSR_P_INCOMPTX		0x0080
134 #define MUSB_TXCSR_P_SENTSTALL		0x0020
135 #define MUSB_TXCSR_P_SENDSTALL		0x0010
136 #define MUSB_TXCSR_P_UNDERRUN		0x0004
137 
138 /* TXCSR in Host mode */
139 #define MUSB_TXCSR_H_WR_DATATOGGLE	0x0200
140 #define MUSB_TXCSR_H_DATATOGGLE		0x0100
141 #define MUSB_TXCSR_H_NAKTIMEOUT		0x0080
142 #define MUSB_TXCSR_H_RXSTALL		0x0020
143 #define MUSB_TXCSR_H_ERROR		0x0004
144 
145 /* TXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
146 #define MUSB_TXCSR_P_WZC_BITS	\
147 	(MUSB_TXCSR_P_INCOMPTX | MUSB_TXCSR_P_SENTSTALL \
148 	| MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_FIFONOTEMPTY)
149 #define MUSB_TXCSR_H_WZC_BITS	\
150 	(MUSB_TXCSR_H_NAKTIMEOUT | MUSB_TXCSR_H_RXSTALL \
151 	| MUSB_TXCSR_H_ERROR | MUSB_TXCSR_FIFONOTEMPTY)
152 
153 /* RXCSR in Peripheral and Host mode */
154 #define MUSB_RXCSR_AUTOCLEAR		0x8000
155 #define MUSB_RXCSR_DMAENAB		0x2000
156 #define MUSB_RXCSR_DISNYET		0x1000
157 #define MUSB_RXCSR_PID_ERR		0x1000
158 #define MUSB_RXCSR_DMAMODE		0x0800
159 #define MUSB_RXCSR_INCOMPRX		0x0100
160 #define MUSB_RXCSR_CLRDATATOG		0x0080
161 #define MUSB_RXCSR_FLUSHFIFO		0x0010
162 #define MUSB_RXCSR_DATAERROR		0x0008
163 #define MUSB_RXCSR_FIFOFULL		0x0002
164 #define MUSB_RXCSR_RXPKTRDY		0x0001
165 
166 /* RXCSR in Peripheral mode */
167 #define MUSB_RXCSR_P_ISO		0x4000
168 #define MUSB_RXCSR_P_SENTSTALL		0x0040
169 #define MUSB_RXCSR_P_SENDSTALL		0x0020
170 #define MUSB_RXCSR_P_OVERRUN		0x0004
171 
172 /* RXCSR in Host mode */
173 #define MUSB_RXCSR_H_AUTOREQ		0x4000
174 #define MUSB_RXCSR_H_WR_DATATOGGLE	0x0400
175 #define MUSB_RXCSR_H_DATATOGGLE		0x0200
176 #define MUSB_RXCSR_H_RXSTALL		0x0040
177 #define MUSB_RXCSR_H_REQPKT		0x0020
178 #define MUSB_RXCSR_H_ERROR		0x0004
179 
180 /* RXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
181 #define MUSB_RXCSR_P_WZC_BITS	\
182 	(MUSB_RXCSR_P_SENTSTALL | MUSB_RXCSR_P_OVERRUN \
183 	| MUSB_RXCSR_RXPKTRDY)
184 #define MUSB_RXCSR_H_WZC_BITS	\
185 	(MUSB_RXCSR_H_RXSTALL | MUSB_RXCSR_H_ERROR \
186 	| MUSB_RXCSR_DATAERROR | MUSB_RXCSR_RXPKTRDY)
187 
188 /* HUBADDR */
189 #define MUSB_HUBADDR_MULTI_TT		0x80
190 
191 
192 /* SUNXI has different reg addresses, but identical r/w functions */
193 #ifndef CONFIG_ARCH_SUNXI
194 
195 /*
196  * Common USB registers
197  */
198 
199 #define MUSB_FADDR		0x00	/* 8-bit */
200 #define MUSB_POWER		0x01	/* 8-bit */
201 
202 #define MUSB_INTRTX		0x02	/* 16-bit */
203 #define MUSB_INTRRX		0x04
204 #define MUSB_INTRTXE		0x06
205 #define MUSB_INTRRXE		0x08
206 #define MUSB_INTRUSB		0x0A	/* 8 bit */
207 #define MUSB_INTRUSBE		0x0B	/* 8 bit */
208 #define MUSB_FRAME		0x0C
209 #define MUSB_INDEX		0x0E	/* 8 bit */
210 #define MUSB_TESTMODE		0x0F	/* 8 bit */
211 
212 /* Get offset for a given FIFO from musb->mregs */
213 #if defined(CONFIG_USB_MUSB_TUSB6010) ||	\
214 	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
215 #define MUSB_FIFO_OFFSET(epnum)	(0x200 + ((epnum) * 0x20))
216 #else
217 #define MUSB_FIFO_OFFSET(epnum)	(0x20 + ((epnum) * 4))
218 #endif
219 
220 /*
221  * Additional Control Registers
222  */
223 
224 #define MUSB_DEVCTL		0x60	/* 8 bit */
225 
226 /* These are always controlled through the INDEX register */
227 #define MUSB_TXFIFOSZ		0x62	/* 8-bit (see masks) */
228 #define MUSB_RXFIFOSZ		0x63	/* 8-bit (see masks) */
229 #define MUSB_TXFIFOADD		0x64	/* 16-bit offset shifted right 3 */
230 #define MUSB_RXFIFOADD		0x66	/* 16-bit offset shifted right 3 */
231 
232 /* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
233 #define MUSB_HWVERS		0x6C	/* 8 bit */
234 #define MUSB_ULPI_BUSCONTROL	0x70	/* 8 bit */
235 #define MUSB_ULPI_INT_MASK	0x72	/* 8 bit */
236 #define MUSB_ULPI_INT_SRC	0x73	/* 8 bit */
237 #define MUSB_ULPI_REG_DATA	0x74	/* 8 bit */
238 #define MUSB_ULPI_REG_ADDR	0x75	/* 8 bit */
239 #define MUSB_ULPI_REG_CONTROL	0x76	/* 8 bit */
240 #define MUSB_ULPI_RAW_DATA	0x77	/* 8 bit */
241 
242 #define MUSB_EPINFO		0x78	/* 8 bit */
243 #define MUSB_RAMINFO		0x79	/* 8 bit */
244 #define MUSB_LINKINFO		0x7a	/* 8 bit */
245 #define MUSB_VPLEN		0x7b	/* 8 bit */
246 #define MUSB_HS_EOF1		0x7c	/* 8 bit */
247 #define MUSB_FS_EOF1		0x7d	/* 8 bit */
248 #define MUSB_LS_EOF1		0x7e	/* 8 bit */
249 
250 /* Offsets to endpoint registers */
251 #define MUSB_TXMAXP		0x00
252 #define MUSB_TXCSR		0x02
253 #define MUSB_CSR0		MUSB_TXCSR	/* Re-used for EP0 */
254 #define MUSB_RXMAXP		0x04
255 #define MUSB_RXCSR		0x06
256 #define MUSB_RXCOUNT		0x08
257 #define MUSB_COUNT0		MUSB_RXCOUNT	/* Re-used for EP0 */
258 #define MUSB_TXTYPE		0x0A
259 #define MUSB_TYPE0		MUSB_TXTYPE	/* Re-used for EP0 */
260 #define MUSB_TXINTERVAL		0x0B
261 #define MUSB_NAKLIMIT0		MUSB_TXINTERVAL	/* Re-used for EP0 */
262 #define MUSB_RXTYPE		0x0C
263 #define MUSB_RXINTERVAL		0x0D
264 #define MUSB_FIFOSIZE		0x0F
265 #define MUSB_CONFIGDATA		MUSB_FIFOSIZE	/* Re-used for EP0 */
266 
267 /* Offsets to endpoint registers in indexed model (using INDEX register) */
268 #define MUSB_INDEXED_OFFSET(_epnum, _offset)	\
269 	(0x10 + (_offset))
270 
271 /* Offsets to endpoint registers in flat models */
272 #define MUSB_FLAT_OFFSET(_epnum, _offset)	\
273 	(0x100 + (0x10*(_epnum)) + (_offset))
274 
275 #if defined(CONFIG_USB_MUSB_TUSB6010) ||	\
276 	defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
277 /* TUSB6010 EP0 configuration register is special */
278 #define MUSB_TUSB_OFFSET(_epnum, _offset)	\
279 	(0x10 + _offset)
280 #include "tusb6010.h"		/* Needed "only" for TUSB_EP0_CONF */
281 #endif
282 
283 #define MUSB_TXCSR_MODE			0x2000
284 
285 /* "bus control"/target registers, for host side multipoint (external hubs) */
286 #define MUSB_TXFUNCADDR		0x00
287 #define MUSB_TXHUBADDR		0x02
288 #define MUSB_TXHUBPORT		0x03
289 
290 #define MUSB_RXFUNCADDR		0x04
291 #define MUSB_RXHUBADDR		0x06
292 #define MUSB_RXHUBPORT		0x07
293 
294 #define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
295 	(0x80 + (8*(_epnum)) + (_offset))
296 
297 #else /* CONFIG_ARCH_SUNXI */
298 
299 /*
300  * Common USB registers
301  */
302 
303 #define MUSB_FADDR		0x0098
304 #define MUSB_POWER		0x0040
305 
306 #define MUSB_INTRTX		0x0044
307 #define MUSB_INTRRX		0x0046
308 #define MUSB_INTRTXE		0x0048
309 #define MUSB_INTRRXE		0x004A
310 #define MUSB_INTRUSB		0x004C
311 #define MUSB_INTRUSBE		0x0050
312 #define MUSB_FRAME		0x0054
313 #define MUSB_INDEX		0x0042
314 #define MUSB_TESTMODE		0x007C
315 
316 /* Get offset for a given FIFO from musb->mregs */
317 #define MUSB_FIFO_OFFSET(epnum)	(0x00 + ((epnum) * 4))
318 
319 /*
320  * Additional Control Registers
321  */
322 
323 #define MUSB_DEVCTL		0x0041
324 
325 /* These are always controlled through the INDEX register */
326 #define MUSB_TXFIFOSZ		0x0090
327 #define MUSB_RXFIFOSZ		0x0094
328 #define MUSB_TXFIFOADD		0x0092
329 #define MUSB_RXFIFOADD		0x0096
330 
331 #define MUSB_EPINFO		0x0078
332 #define MUSB_RAMINFO		0x0079
333 #define MUSB_LINKINFO		0x007A
334 #define MUSB_VPLEN		0x007B
335 #define MUSB_HS_EOF1		0x007C
336 #define MUSB_FS_EOF1		0x007D
337 #define MUSB_LS_EOF1		0x007E
338 
339 /* Offsets to endpoint registers */
340 #define MUSB_TXMAXP		0x0080
341 #define MUSB_TXCSR		0x0082
342 #define MUSB_CSR0		0x0082
343 #define MUSB_RXMAXP		0x0084
344 #define MUSB_RXCSR		0x0086
345 #define MUSB_RXCOUNT		0x0088
346 #define MUSB_COUNT0		0x0088
347 #define MUSB_TXTYPE		0x008C
348 #define MUSB_TYPE0		0x008C
349 #define MUSB_TXINTERVAL		0x008D
350 #define MUSB_NAKLIMIT0		0x008D
351 #define MUSB_RXTYPE		0x008E
352 #define MUSB_RXINTERVAL		0x008F
353 
354 #define MUSB_CONFIGDATA		0x00b0 /* musb_read_configdata adds 0x10 ! */
355 #define MUSB_FIFOSIZE		0x0090
356 
357 /* Offsets to endpoint registers in indexed model (using INDEX register) */
358 #define MUSB_INDEXED_OFFSET(_epnum, _offset) (_offset)
359 
360 #define MUSB_TXCSR_MODE		0x2000
361 
362 /* "bus control"/target registers, for host side multipoint (external hubs) */
363 #define MUSB_TXFUNCADDR		0x0098
364 #define MUSB_TXHUBADDR		0x009A
365 #define MUSB_TXHUBPORT		0x009B
366 
367 #define MUSB_RXFUNCADDR		0x009C
368 #define MUSB_RXHUBADDR		0x009E
369 #define MUSB_RXHUBPORT		0x009F
370 
371 /* Endpoint is selected with MUSB_INDEX. */
372 #define MUSB_BUSCTL_OFFSET(_epnum, _offset) (_offset)
373 
374 #endif /* CONFIG_ARCH_SUNXI */
375 
376 static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
377 {
378 	musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
379 }
380 
381 static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
382 {
383 	musb_writew(mbase, MUSB_TXFIFOADD, c_off);
384 }
385 
386 static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
387 {
388 	musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
389 }
390 
391 static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
392 {
393 	musb_writew(mbase, MUSB_RXFIFOADD, c_off);
394 }
395 
396 static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
397 {
398 #ifndef CONFIG_ARCH_SUNXI /* No ulpi on sunxi */
399 	musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val);
400 #endif
401 }
402 
403 static inline u8 musb_read_txfifosz(void __iomem *mbase)
404 {
405 	return musb_readb(mbase, MUSB_TXFIFOSZ);
406 }
407 
408 static inline u16 musb_read_txfifoadd(void __iomem *mbase)
409 {
410 	return musb_readw(mbase, MUSB_TXFIFOADD);
411 }
412 
413 static inline u8 musb_read_rxfifosz(void __iomem *mbase)
414 {
415 	return musb_readb(mbase, MUSB_RXFIFOSZ);
416 }
417 
418 static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
419 {
420 	return musb_readw(mbase, MUSB_RXFIFOADD);
421 }
422 
423 static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
424 {
425 #ifdef CONFIG_ARCH_SUNXI /* No ulpi on sunxi */
426 	return 0;
427 #else
428 	return musb_readb(mbase, MUSB_ULPI_BUSCONTROL);
429 #endif
430 }
431 
432 static inline u8 musb_read_configdata(void __iomem *mbase)
433 {
434 #if defined CONFIG_MACH_SUN8I_A33 || defined CONFIG_MACH_SUN8I_A83T || \
435 		defined CONFIG_MACH_SUNXI_H3_H5 || defined CONFIG_MACH_SUN50I
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