summaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h
blob: 892b7f168eb47df60d0b18cf2d0abb26848ac552 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
/*
 *
 * BRIEF MODULE DESCRIPTION
 *	Include file for Alchemy Semiconductor's Au1k CPU.
 *
 * Copyright 2004 Embedded Edge, LLC
 *	dan@embeddededge.com
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  You should have received a copy of the  GNU General Public License along
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* Specifics for the Au1xxx Programmable Serial Controllers, first
 * seen in the AU1550 part.
 */
#ifndef _AU1000_PSC_H_
#define _AU1000_PSC_H_

/* The PSC base addresses.  */
#ifdef CONFIG_SOC_AU1550
#define PSC0_BASE_ADDR		0xb1a00000
#define PSC1_BASE_ADDR		0xb1b00000
#define PSC2_BASE_ADDR		0xb0a00000
#define PSC3_BASE_ADDR		0xb0b00000
#endif

#ifdef CONFIG_SOC_AU1200
#define PSC0_BASE_ADDR		0xb1a00000
#define PSC1_BASE_ADDR		0xb1b00000
#endif

/*
 * The PSC select and control registers are common to all protocols.
 */
#define PSC_SEL_OFFSET		0x00000000
#define PSC_CTRL_OFFSET		0x00000004

#define PSC_SEL_CLK_MASK	(3 << 4)
#define PSC_SEL_CLK_INTCLK	(0 << 4)
#define PSC_SEL_CLK_EXTCLK	(1 << 4)
#define PSC_SEL_CLK_SERCLK	(2 << 4)

#define PSC_SEL_PS_MASK		0x00000007
#define PSC_SEL_PS_DISABLED	0
#define PSC_SEL_PS_SPIMODE	2
#define PSC_SEL_PS_I2SMODE	3
#define PSC_SEL_PS_AC97MODE	4
#define PSC_SEL_PS_SMBUSMODE	5

#define PSC_CTRL_DISABLE	0
#define PSC_CTRL_SUSPEND	2
#define PSC_CTRL_ENABLE 	3

/* AC97 Registers. */
#define PSC_AC97CFG_OFFSET	0x00000008
#define PSC_AC97MSK_OFFSET	0x0000000c
#define PSC_AC97PCR_OFFSET	0x00000010
#define PSC_AC97STAT_OFFSET	0x00000014
#define PSC_AC97EVNT_OFFSET	0x00000018
#define PSC_AC97TXRX_OFFSET	0x0000001c
#define PSC_AC97CDC_OFFSET	0x00000020
#define PSC_AC97RST_OFFSET	0x00000024
#define PSC_AC97GPO_OFFSET	0x00000028
#define PSC_AC97GPI_OFFSET	0x0000002c

#define AC97_PSC_SEL		(AC97_PSC_BASE + PSC_SEL_OFFSET)
#define AC97_PSC_CTRL		(AC97_PSC_BASE + PSC_CTRL_OFFSET)
#define PSC_AC97CFG		(AC97_PSC_BASE + PSC_AC97CFG_OFFSET)
#define PSC_AC97MSK		(AC97_PSC_BASE + PSC_AC97MSK_OFFSET)
#define PSC_AC97PCR		(AC97_PSC_BASE + PSC_AC97PCR_OFFSET)
#define PSC_AC97STAT		(AC97_PSC_BASE + PSC_AC97STAT_OFFSET)
#define PSC_AC97EVNT		(AC97_PSC_BASE + PSC_AC97EVNT_OFFSET)
#define PSC_AC97TXRX		(AC97_PSC_BASE + PSC_AC97TXRX_OFFSET)
#define PSC_AC97CDC		(AC97_PSC_BASE + PSC_AC97CDC_OFFSET)
#define PSC_AC97RST		(AC97_PSC_BASE + PSC_AC97RST_OFFSET)
#define PSC_AC97GPO		(AC97_PSC_BASE + PSC_AC97GPO_OFFSET)
#define PSC_AC97GPI		(AC97_PSC_BASE + PSC_AC97GPI_OFFSET)

/* AC97 Config Register. */
#define PSC_AC97CFG_RT_MASK	(3 << 30)
#define PSC_AC97CFG_RT_FIFO1	(0 << 30)
#define PSC_AC97CFG_RT_FIFO2	(1 << 30)
#define PSC_AC97CFG_RT_FIFO4	(2 << 30)
#define PSC_AC97CFG_RT_FIFO8	(3 << 30)

#define PSC_AC97CFG_TT_MASK	(3 << 28)
#define PSC_AC97CFG_TT_FIFO1	(0 << 28)
#define PSC_AC97CFG_TT_FIFO2	(1 << 28)
#define PSC_AC97CFG_TT_FIFO4	(2 << 28)
#define PSC_AC97CFG_TT_FIFO8	(3 << 28)

#define PSC_AC97CFG_DD_DISABLE	(1 << 27)
#define PSC_AC97CFG_DE_ENABLE	(1 << 26)
#define PSC_AC97CFG_SE_ENABLE	(1 << 25)

#define PSC_AC97CFG_LEN_MASK	(0xf << 21)
#define PSC_AC97CFG_TXSLOT_MASK	(0x3ff << 11)
#define PSC_AC97CFG_RXSLOT_MASK	(0x3ff << 1)
#define PSC_AC97CFG_GE_ENABLE	(1)

/* Enable slots 3-12. */
#define PSC_AC97CFG_TXSLOT_ENA(x)	(1 << (((x) - 3) + 11))
#define PSC_AC97CFG_RXSLOT_ENA(x)	(1 << (((x) - 3) + 1))

/*
 * The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
 * The only sensible numbers are 7, 9, or possibly 11.  Nah, just do the
 * arithmetic in the macro.
 */
#define PSC_AC97CFG_SET_LEN(x)	(((((x) - 2) / 2) & 0xf) << 21)
#define PSC_AC97CFG_GET_LEN(x)	(((((x) >> 21) & 0xf) * 2) + 2)

/* AC97 Mask Register. */
#define PSC_AC97MSK_GR		(1 << 25)
#define PSC_AC97MSK_CD		(1 << 24)
#define PSC_AC97MSK_RR		(1 << 13)
#define PSC_AC97MSK_RO		(1 << 12)
#define PSC_AC97MSK_RU		(1 << 11)
#define PSC_AC97MSK_TR		(1 << 10)
#define PSC_AC97MSK_TO		(1 << 9)
#define PSC_AC97MSK_TU		(1 << 8)
#define PSC_AC97MSK_RD		(1 << 5)
#define PSC_AC97MSK_TD		(1 << 4)
#define PSC_AC97MSK_ALLMASK	(PSC_AC97MSK_GR | PSC_AC97MSK_CD | \
				 PSC_AC97MSK_RR | PSC_AC97MSK_RO | \
				 PSC_AC97MSK_RU | PSC_AC97MSK_TR | \
				 PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
				 PSC_AC97MSK_RD | PSC_AC97MSK_TD)

/* AC97 Protocol Control Register. */
#define PSC_AC97PCR_RC		(1 << 6)
#define PSC_AC97PCR_RP		(1 << 5)
#define PSC_AC97PCR_RS		(1 << 4)
#define PSC_AC97PCR_TC		(1 << 2)
#define PSC_AC97PCR_TP		(1 << 1)
#define PSC_AC97PCR_TS		(1 << 0)

/* AC97 Status register (read only). */
#define PSC_AC97STAT_CB		(1 << 26)
#define PSC_AC97STAT_CP		(1 << 25)
#define PSC_AC97STAT_CR		(1 << 24)
#define PSC_AC97STAT_RF		(1 << 13)
#define PSC_AC97STAT_RE		(1 << 12)
#define PSC_AC97STAT_RR		(1 << 11)
#define PSC_AC97STAT_TF		(1 << 10)
#define PSC_AC97STAT_TE		(1 << 9)
#define PSC_AC97STAT_TR		(1 << 8)
#define PSC_AC97STAT_RB		(1 << 5)
#define PSC_AC97STAT_TB		(1 << 4)
#define PSC_AC97STAT_DI		(1 << 2)
#define PSC_AC97STAT_DR		(1 << 1)
#define PSC_AC97STAT_SR		(1 << 0)

/* AC97 Event Register. */
#define PSC_AC97EVNT_GR		(1 << 25)
#define PSC_AC97EVNT_CD		(1 << 24)
#define PSC_AC97EVNT_RR		(1 << 13)
#define PSC_AC97EVNT_RO		(1 << 12)
#define PSC_AC97EVNT_RU		(1 << 11)
#define PSC_AC97EVNT_TR		(1 << 10)
#define PSC_AC97EVNT_TO		(1 << 9)
#define PSC_AC97EVNT_TU		(1 << 8)
#define PSC_AC97EVNT_RD		(1 << 5)
#define PSC_AC97EVNT_TD		(1 << 4)

/* CODEC Command Register. */
#define PSC_AC97CDC_RD		(1 << 25)
#define PSC_AC97CDC_ID_MASK	(3 << 23)
#define PSC_AC97CDC_INDX_MASK	(0x7f << 16)
#define PSC_AC97CDC_ID(x)	(((x) & 0x03) << 23)
#define PSC_AC97CDC_INDX(x)	(((x) & 0x7f) << 16)

/* AC97 Reset Control Register. */
#define PSC_AC97RST_RST		(1 << 1)
#define PSC_AC97RST_SNC		(1 << 0)

/* PSC in I2S Mode. */
typedef struct	psc_i2s {
	u32	psc_sel;
	u32	psc_ctrl;
	u32	psc_i2scfg;
	u32	psc_i2smsk;
	u32	psc_i2spcr;
	u32	psc_i2sstat;
	u32	psc_i2sevent;
	u32	psc_i2stxrx;
	u32	psc_i2sudf;
} psc_i2s_t;

#define PSC_I2SCFG_OFFSET	0x08
#define PSC_I2SMASK_OFFSET	0x0C
#define PSC_I2SPCR_OFFSET	0x10
#define PSC_I2SSTAT_OFFSET	0x14
#define PSC_I2SEVENT_OFFSET	0x18
#define PSC_I2SRXTX_OFFSET	0x1C
#define PSC_I2SUDF_OFFSET	0x20

/* I2S Config Register. */
#define PSC_I2SCFG_RT_MASK	(3 << 30)
#define PSC_I2SCFG_RT_FIFO1	(0 << 30)
#define PSC_I2SCFG_RT_FIFO2	(1 << 30)
#define PSC_I2SCFG_RT_FIFO4	(2 << 30)
#define PSC_I2SCFG_RT_FIFO8	(3 << 30)

#define PSC_I2SCFG_TT_MASK	(3 << 28)
#define PSC_I2SCFG_TT_FIFO1	(0 << 28)
#define PSC_I2SCFG_TT_FIFO2	(1 << 28)
#define PSC_I2SCFG_TT_FIFO4	(2 << 28)
#define PSC_I2SCFG_TT_FIFO8	(3 << 28)

#define PSC_I2SCFG_DD_DISABLE	(1 << 27)
#define PSC_I2SCFG_DE_ENABLE	(1 << 26)
#define PSC_I2SCFG_SET_WS(x)	(((((x) / 2) - 1) & 0x7f) << 16)
#define PSC_I2SCFG_WS(n)	((n & 0xFF) << 16)
#define PSC_I2SCFG_WS_MASK	(PSC_I2SCFG_WS(0x3F))
#define PSC_I2SCFG_WI		(1 << 15)

#define PSC_I2SCFG_DIV_MASK	(3 << 13)
#define PSC_I2SCFG_DIV2		(0 << 13)
#define PSC_I2SCFG_DIV4		(1 << 13)
#define PSC_I2SCFG_DIV8		(2 << 13)
#define PSC_I2SCFG_DIV16	(3 << 13)

#define PSC_I2SCFG_BI		(1 << 12)
#define PSC_I2SCFG_BUF		(1 << 11)
#define PSC_I2SCFG_MLJ		(1 << 10)
#define PSC_I2SCFG_XM		(1 << 9)

/* The word length equation is simply LEN+1. */
#define PSC_I2SCFG_SET_LEN(x)	((((x) - 1) & 0x1f) << 4)
#define PSC_I2SCFG_GET_LEN(x)	((((x) >> 4) & 0x1f) + 1)

#define PSC_I2SCFG_LB		(1 << 2)
#define PSC_I2SCFG_MLF		(1 << 1)
#define PSC_I2SCFG_MS		(1 << 0)

/* I2S Mask Register. */
#define PSC_I2SMSK_RR		(1 << 13)
#define PSC_I2SMSK_RO		(1 << 12)
#define PSC_I2SMSK_RU		(1 << 11)
#define PSC_I2SMSK_TR		(1 << 10)
#define PSC_I2SMSK_TO		(1 << 9)
#define PSC_I2SMSK_TU		(1 << 8)
#define PSC_I2SMSK_RD		(1 << 5)
#define PSC_I2SMSK_TD		(1 << 4)
#define PSC_I2SMSK_ALLMASK	(PSC_I2SMSK_RR | PSC_I2SMSK_RO | \
				 PSC_I2SMSK_RU | PSC_I2SMSK_TR | \
				 PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
				 PSC_I2SMSK_RD | PSC_I2SMSK_TD)

/* I2S Protocol Control Register. */
#define PSC_I2SPCR_RC		(1 << 6)
#define PSC_I2SPCR_RP		(1 << 5)
#define PSC_I2SPCR_RS		(1 << 4)
#define PSC_I2SPCR_TC		(1 << 2)
#define PSC_I2SPCR_TP		(1 << 1)
#define PSC_I2SPCR_TS		(1 << 0)

/* I2S Status register (read only). */
#define PSC_I2SSTAT_RF		(1 << 13)
#define PSC_I2SSTAT_RE		(1 << 12)
#define PSC_I2SSTAT_RR		(1 << 11)
#define PSC_I2SSTAT_TF		(1 << 10)
#define PSC_I2SSTAT_TE		(1 << 9)
#define PSC_I2SSTAT_TR		(1 << 8)
#define PSC_I2SSTAT_RB		(1 << 5)
#define PSC_I2SSTAT_TB		(1 << 4)
#define PSC_I2SSTAT_DI		(1 << 2)
#define PSC_I2SSTAT_DR		(1 << 1)
#define PSC_I2SSTAT_SR		(1 << 0)

/* I2S Event Register. */
#define PSC_I2SEVNT_RR		(1 << 13)
#define PSC_I2SEVNT_RO		(1 << 12)
#define PSC_I2SEVNT_RU		(1 << 11)
#define PSC_I2SEVNT_TR		(1 << 10)
#define PSC_I2SEVNT_TO		(1 << 9)
#define PSC_I2SEVNT_TU		(1 << 8)
#define PSC_I2SEVNT_RD		(1 << 5)
#define PSC_I2SEVNT_TD		(1 << 4)

/* PSC in SPI Mode. */
typedef struct	psc_spi {
	u32	psc_sel;
	u32	psc_ctrl;
	u32	psc_spicfg;
	u32	psc_spimsk;
	u32	psc_spipcr;
	u32	psc_spistat;
	u32	psc_spievent;
	u32	psc_spitxrx;
} psc_spi_t;

/* SPI Config Register. */
#define PSC_SPICFG_RT_MASK	(3 << 30)
#define PSC_SPICFG_RT_FIFO1	(0 << 30)
#define PSC_SPICFG_RT_FIFO2	(1 << 30)
#define PSC_SPICFG_RT_FIFO4	(2 << 30)
#define PSC_SPICFG_RT_FIFO8	(3 << 30)

#define PSC_SPICFG_TT_MASK	(3 << 28)
#define PSC_SPICFG_TT_FIFO1	(0 << 28)
#define PSC_SPICFG_TT_FIFO2	(1 << 28)
#define PSC_SPICFG_TT_FIFO4	(2 << 28)
#define PSC_SPICFG_TT_FIFO8	(3 << 28)

#define PSC_SPICFG_DD_DISABLE	(1 << 27)
#define PSC_SPICFG_DE_ENABLE	(1 << 26)
#define PSC_SPICFG_CLR_BAUD(x)	((x) & ~((0x3f) << 15))
#define PSC_SPICFG_SET_BAUD(x)	(((x) & 0x3f) << 15)

#define PSC_SPICFG_SET_DIV(x)	(((x) & 0x03) << 13)
#define PSC_SPICFG_DIV2		0
#define PSC_SPICFG_DIV4		1
#define PSC_SPICFG_DIV8		2
#define PSC_SPICFG_DIV16	3

#define PSC_SPICFG_BI		(1 << 12)
#define PSC_SPICFG_PSE		(1 << 11)
#define PSC_SPICFG_CGE		(1 << 10)
#define PSC_SPICFG_CDE		(1 << 9)

#define PSC_SPICFG_CLR_LEN(x)	((x) & ~((0x1f) << 4))
#define PSC_SPICFG_SET_LEN(x)	(((x-1) & 0x1f) << 4)

#define PSC_SPICFG_LB		(1 << 3)
#define PSC_SPICFG_MLF		(1 << 1)
#define PSC_SPICFG_MO		(1 << 0)

/* SPI Mask Register. */
#define PSC_SPIMSK_MM		(1 << 16)
#define PSC_SPIMSK_RR		(1 << 13)
#define PSC_SPIMSK_RO		(1 << 12)
#define PSC_SPIMSK_RU		(1 << 11)
#define PSC_SPIMSK_TR		(1 << 10)
#define PSC_SPIMSK_TO		(1 << 9)
#define PSC_SPIMSK_TU		(1 << 8)
#define PSC_SPIMSK_SD		(1 << 5)
#define PSC_SPIMSK_MD		(1 << 4)
#define PSC_SPIMSK_ALLMASK	(PSC_SPIMSK_MM | PSC_SPIMSK_RR | \
				 PSC_SPIMSK_RO | PSC_SPIMSK_TO | \
				 PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
				 PSC_SPIMSK_MD)

/* SPI Protocol Control Register. */
#define PSC_SPIPCR_RC		(1 << 6)
#define PSC_SPIPCR_SP		(1 << 5)
#define PSC_SPIPCR_SS		(1 << 4)
#define PSC_SPIPCR_TC		(1 << 2)
#define PSC_SPIPCR_MS		(1 << 0)

/* SPI Status register (read only). */
#define PSC_SPISTAT_RF		(1 << 13)
#define PSC_SPISTAT_RE		(1 << 12)
#define PSC_SPISTAT_RR		(1 << 11)
#define PSC_SPISTAT_TF		(1 << 10)
#define PSC_SPISTAT_TE		(1 << 9)
#define PSC_SPISTAT_TR		(1 << 8)
#define PSC_SPISTAT_SB		(1 << 5)
#define PSC_SPISTAT_MB		(1 << 4)
#define PSC_SPISTAT_DI		(1 << 2)
#define PSC_SPISTAT_DR		(1 << 1)
#define PSC_SPISTAT_SR		(1 << 0)

/* SPI Event Register. */
#define PSC_SPIEVNT_MM		(1 << 16)
#define PSC_SPIEVNT_RR		(1 << 13)
#define PSC_SPIEVNT_RO		(1 << 12)
#define PSC_SPIEVNT_RU		(1 << 11)
#define PSC_SPIEVNT_TR		(1 << 10)
#define PSC_SPIEVNT_TO		(1 << 9)
#define PSC_SPIEVNT_TU		(1 << 8)
#define PSC_SPIEVNT_SD		(1 << 5)
#define PSC_SPIEVNT_MD		(1 << 4)

/* Transmit register control. */
#define PSC_SPITXRX_LC		(1 << 29)
#define PSC_SPITXRX_SR		(1 << 28)

/* PSC in SMBus (I2C) Mode. */
typedef struct	psc_smb {
	u32	psc_sel;
	u32	psc_ctrl;
	u32	psc_smbcfg;
	u32	psc_smbmsk;
	u32	psc_smbpcr;
	u32	psc_smbstat;
	u32	psc_smbevnt;
	u32	psc_smbtxrx;
	u32	psc_smbtmr;
} psc_smb_t;

/* SMBus Config Register. */
#define PSC_SMBCFG_RT_MASK	(3 << 30)
#define PSC_SMBCFG_RT_FIFO1	(0 << 30)
#define PSC_SMBCFG_RT_FIFO2	(1 << 30)
#define PSC_SMBCFG_RT_FIFO4	(2 << 30)
#define PSC_SMBCFG_RT_FIFO8	(3 << 30)

#define PSC_SMBCFG_TT_MASK	(3 << 28)
#define PSC_SMBCFG_TT_FIFO1	(0 << 28)
#define PSC_SMBCFG_TT_FIFO2	(1 << 28)
#define PSC_SMBCFG_TT_FIFO4	(2 << 28)
#define PSC_SMBCFG_TT_FIFO8	(3 << 28)

#define PSC_SMBCFG_DD_DISABLE	(1 << 27)
#define PSC_SMBCFG_DE_ENABLE	(1 << 26)

#define PSC_SMBCFG_SET_DIV(x)	(((x) & 0x03) << 13)
#define PSC_SMBCFG_DIV2		0
#define PSC_SMBCFG_DIV4		1
#define PSC_SMBCFG_DIV8		2
#define PSC_SMBCFG_DIV16	3

#define PSC_SMBCFG_GCE		(1 << 9)
#define PSC_SMBCFG_SFM		(1 << 8)

#define PSC_SMBCFG_SET_SLV(x)	(((x) & 0x7f) << 1)

/* SMBus Mask Register. */
#define PSC_SMBMSK_DN		(1 << 30)
#define PSC_SMBMSK_AN		(1 << 29)
#define PSC_SMBMSK_AL		(1 << 28)
#define PSC_SMBMSK_RR		(1 << 13)
#define PSC_SMBMSK_RO		(1 << 12)
#define PSC_SMBMSK_RU		(1 << 11)
#define PSC_SMBMSK_TR		(1 << 10)
#define PSC_SMBMSK_TO		(1 << 9)
#define PSC_SMBMSK_TU		(1 << 8)
#define PSC_SMBMSK_SD		(1 << 5)
#define PSC_SMBMSK_MD		(1 << 4)
#define PSC_SMBMSK_ALLMASK	(PSC_SMBMSK_DN | PSC_SMBMSK_AN | \
				 PSC_SMBMSK_AL | PSC_SMBMSK_RR | \
				 PSC_SMBMSK_RO | PSC_SMBMSK_TO | \
				 PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
				 PSC_SMBMSK_MD)

/* SMBus Protocol Control Register. */
#define PSC_SMBPCR_DC		(1 << 2)
#define PSC_SMBPCR_MS		(1 << 0)

/* SMBus Status register (read only). */
#define PSC_SMBSTAT_BB		(1 << 28)
#define PSC_SMBSTAT_RF		(1 << 13)
#define PSC_SMBSTAT_RE		(1 << 12)
#define PSC_SMBSTAT_RR		(1 << 11)
#define PSC_SMBSTAT_TF		(1 << 10)
#define PSC_SMBSTAT_TE		(1 << 9)
#define PSC_SMBSTAT_TR		(1 << 8)
#define PSC_SMBSTAT_SB		(1 << 5)
#define PSC_SMBSTAT_MB		(1 << 4)
#define PSC_SMBSTAT_DI		(1 << 2)
#define PSC_SMBSTAT_DR		(1 << 1)
#define PSC_SMBSTAT_SR		(1 << 0)

/* SMBus Event Register. */
#define PSC_SMBEVNT_DN		(1 << 30)
#define PSC_SMBEVNT_AN		(1 << 29)
#define PSC_SMBEVNT_AL		(1 << 28)
#define PSC_SMBEVNT_RR		(1 << 13)
#define PSC_SMBEVNT_RO		(1 << 12)
#define PSC_SMBEVNT_RU		(1 << 11)
#define PSC_SMBEVNT_TR		(1 << 10)
#define PSC_SMBEVNT_TO		(1 << 9)
#define PSC_SMBEVNT_TU		(1 << 8)
#define PSC_SMBEVNT_SD		(1 << 5)
#define PSC_SMBEVNT_MD		(1 << 4)
#define PSC_SMBEVNT_ALLCLR	(PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \
				 PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \
				 PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \
				 PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
				 PSC_SMBEVNT_MD)

/* Transmit register control. */
#define PSC_SMBTXRX_RSR		(1 << 28)
#define PSC_SMBTXRX_STP		(1 << 29)
#define PSC_SMBTXRX_DATAMASK	0xff

/* SMBus protocol timers register. */
#define PSC_SMBTMR_SET_TH(x)	(((x) & 0x03) << 30)
#define PSC_SMBTMR_SET_PS(x)	(((x) & 0x1f) << 25)
#define PSC_SMBTMR_SET_PU(x)	(((x) & 0x1f) << 20)
#define PSC_SMBTMR_SET_SH(x)	(((x) & 0x1f) << 15)
#define PSC_SMBTMR_SET_SU(x)	(((x) & 0x1f) << 10)
#define PSC_SMBTMR_SET_CL(x)	(((x) & 0x1f) << 5)
#define PSC_SMBTMR_SET_CH(x)	(((x) & 0x1f) << 0)

#endif /* _AU1000_PSC_H_ */