1/*
2 *
3 * BRIEF MODULE DESCRIPTION
4 *	Include file for Alchemy Semiconductor's Au1k CPU.
5 *
6 * Copyright 2004 Embedded Edge, LLC
7 *	dan@embeddededge.com
8 *
9 *  This program is free software; you can redistribute  it and/or modify it
10 *  under  the terms of  the GNU General  Public License as published by the
11 *  Free Software Foundation;  either version 2 of the  License, or (at your
12 *  option) any later version.
13 *
14 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
15 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
16 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
17 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
18 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
20 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
22 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 *  You should have received a copy of the  GNU General Public License along
26 *  with this program; if not, write  to the Free Software Foundation, Inc.,
27 *  675 Mass Ave, Cambridge, MA 02139, USA.
28 */
29
30/* Specifics for the Au1xxx Programmable Serial Controllers, first
31 * seen in the AU1550 part.
32 */
33#ifndef _AU1000_PSC_H_
34#define _AU1000_PSC_H_
35
36/*
37 * The PSC select and control registers are common to all protocols.
38 */
39#define PSC_SEL_OFFSET		0x00000000
40#define PSC_CTRL_OFFSET		0x00000004
41
42#define PSC_SEL_CLK_MASK	(3 << 4)
43#define PSC_SEL_CLK_INTCLK	(0 << 4)
44#define PSC_SEL_CLK_EXTCLK	(1 << 4)
45#define PSC_SEL_CLK_SERCLK	(2 << 4)
46
47#define PSC_SEL_PS_MASK		0x00000007
48#define PSC_SEL_PS_DISABLED	0
49#define PSC_SEL_PS_SPIMODE	2
50#define PSC_SEL_PS_I2SMODE	3
51#define PSC_SEL_PS_AC97MODE	4
52#define PSC_SEL_PS_SMBUSMODE	5
53
54#define PSC_CTRL_DISABLE	0
55#define PSC_CTRL_SUSPEND	2
56#define PSC_CTRL_ENABLE		3
57
58/* AC97 Registers. */
59#define PSC_AC97CFG_OFFSET	0x00000008
60#define PSC_AC97MSK_OFFSET	0x0000000c
61#define PSC_AC97PCR_OFFSET	0x00000010
62#define PSC_AC97STAT_OFFSET	0x00000014
63#define PSC_AC97EVNT_OFFSET	0x00000018
64#define PSC_AC97TXRX_OFFSET	0x0000001c
65#define PSC_AC97CDC_OFFSET	0x00000020
66#define PSC_AC97RST_OFFSET	0x00000024
67#define PSC_AC97GPO_OFFSET	0x00000028
68#define PSC_AC97GPI_OFFSET	0x0000002c
69
70/* AC97 Config Register. */
71#define PSC_AC97CFG_RT_MASK	(3 << 30)
72#define PSC_AC97CFG_RT_FIFO1	(0 << 30)
73#define PSC_AC97CFG_RT_FIFO2	(1 << 30)
74#define PSC_AC97CFG_RT_FIFO4	(2 << 30)
75#define PSC_AC97CFG_RT_FIFO8	(3 << 30)
76
77#define PSC_AC97CFG_TT_MASK	(3 << 28)
78#define PSC_AC97CFG_TT_FIFO1	(0 << 28)
79#define PSC_AC97CFG_TT_FIFO2	(1 << 28)
80#define PSC_AC97CFG_TT_FIFO4	(2 << 28)
81#define PSC_AC97CFG_TT_FIFO8	(3 << 28)
82
83#define PSC_AC97CFG_DD_DISABLE	(1 << 27)
84#define PSC_AC97CFG_DE_ENABLE	(1 << 26)
85#define PSC_AC97CFG_SE_ENABLE	(1 << 25)
86
87#define PSC_AC97CFG_LEN_MASK	(0xf << 21)
88#define PSC_AC97CFG_TXSLOT_MASK (0x3ff << 11)
89#define PSC_AC97CFG_RXSLOT_MASK (0x3ff << 1)
90#define PSC_AC97CFG_GE_ENABLE	(1)
91
92/* Enable slots 3-12. */
93#define PSC_AC97CFG_TXSLOT_ENA(x)	(1 << (((x) - 3) + 11))
94#define PSC_AC97CFG_RXSLOT_ENA(x)	(1 << (((x) - 3) + 1))
95
96/*
97 * The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
98 * The only sensible numbers are 7, 9, or possibly 11.	Nah, just do the
99 * arithmetic in the macro.
100 */
101#define PSC_AC97CFG_SET_LEN(x)	(((((x) - 2) / 2) & 0xf) << 21)
102#define PSC_AC97CFG_GET_LEN(x)	(((((x) >> 21) & 0xf) * 2) + 2)
103
104/* AC97 Mask Register. */
105#define PSC_AC97MSK_GR		(1 << 25)
106#define PSC_AC97MSK_CD		(1 << 24)
107#define PSC_AC97MSK_RR		(1 << 13)
108#define PSC_AC97MSK_RO		(1 << 12)
109#define PSC_AC97MSK_RU		(1 << 11)
110#define PSC_AC97MSK_TR		(1 << 10)
111#define PSC_AC97MSK_TO		(1 << 9)
112#define PSC_AC97MSK_TU		(1 << 8)
113#define PSC_AC97MSK_RD		(1 << 5)
114#define PSC_AC97MSK_TD		(1 << 4)
115#define PSC_AC97MSK_ALLMASK	(PSC_AC97MSK_GR | PSC_AC97MSK_CD | \
116				 PSC_AC97MSK_RR | PSC_AC97MSK_RO | \
117				 PSC_AC97MSK_RU | PSC_AC97MSK_TR | \
118				 PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
119				 PSC_AC97MSK_RD | PSC_AC97MSK_TD)
120
121/* AC97 Protocol Control Register. */
122#define PSC_AC97PCR_RC		(1 << 6)
123#define PSC_AC97PCR_RP		(1 << 5)
124#define PSC_AC97PCR_RS		(1 << 4)
125#define PSC_AC97PCR_TC		(1 << 2)
126#define PSC_AC97PCR_TP		(1 << 1)
127#define PSC_AC97PCR_TS		(1 << 0)
128
129/* AC97 Status register (read only). */
130#define PSC_AC97STAT_CB		(1 << 26)
131#define PSC_AC97STAT_CP		(1 << 25)
132#define PSC_AC97STAT_CR		(1 << 24)
133#define PSC_AC97STAT_RF		(1 << 13)
134#define PSC_AC97STAT_RE		(1 << 12)
135#define PSC_AC97STAT_RR		(1 << 11)
136#define PSC_AC97STAT_TF		(1 << 10)
137#define PSC_AC97STAT_TE		(1 << 9)
138#define PSC_AC97STAT_TR		(1 << 8)
139#define PSC_AC97STAT_RB		(1 << 5)
140#define PSC_AC97STAT_TB		(1 << 4)
141#define PSC_AC97STAT_DI		(1 << 2)
142#define PSC_AC97STAT_DR		(1 << 1)
143#define PSC_AC97STAT_SR		(1 << 0)
144
145/* AC97 Event Register. */
146#define PSC_AC97EVNT_GR		(1 << 25)
147#define PSC_AC97EVNT_CD		(1 << 24)
148#define PSC_AC97EVNT_RR		(1 << 13)
149#define PSC_AC97EVNT_RO		(1 << 12)
150#define PSC_AC97EVNT_RU		(1 << 11)
151#define PSC_AC97EVNT_TR		(1 << 10)
152#define PSC_AC97EVNT_TO		(1 << 9)
153#define PSC_AC97EVNT_TU		(1 << 8)
154#define PSC_AC97EVNT_RD		(1 << 5)
155#define PSC_AC97EVNT_TD		(1 << 4)
156
157/* CODEC Command Register. */
158#define PSC_AC97CDC_RD		(1 << 25)
159#define PSC_AC97CDC_ID_MASK	(3 << 23)
160#define PSC_AC97CDC_INDX_MASK	(0x7f << 16)
161#define PSC_AC97CDC_ID(x)	(((x) & 0x03) << 23)
162#define PSC_AC97CDC_INDX(x)	(((x) & 0x7f) << 16)
163
164/* AC97 Reset Control Register. */
165#define PSC_AC97RST_RST		(1 << 1)
166#define PSC_AC97RST_SNC		(1 << 0)
167
168/* PSC in I2S Mode. */
169typedef struct	psc_i2s {
170	u32	psc_sel;
171	u32	psc_ctrl;
172	u32	psc_i2scfg;
173	u32	psc_i2smsk;
174	u32	psc_i2spcr;
175	u32	psc_i2sstat;
176	u32	psc_i2sevent;
177	u32	psc_i2stxrx;
178	u32	psc_i2sudf;
179} psc_i2s_t;
180
181#define PSC_I2SCFG_OFFSET	0x08
182#define PSC_I2SMASK_OFFSET	0x0C
183#define PSC_I2SPCR_OFFSET	0x10
184#define PSC_I2SSTAT_OFFSET	0x14
185#define PSC_I2SEVENT_OFFSET	0x18
186#define PSC_I2SRXTX_OFFSET	0x1C
187#define PSC_I2SUDF_OFFSET	0x20
188
189/* I2S Config Register. */
190#define PSC_I2SCFG_RT_MASK	(3 << 30)
191#define PSC_I2SCFG_RT_FIFO1	(0 << 30)
192#define PSC_I2SCFG_RT_FIFO2	(1 << 30)
193#define PSC_I2SCFG_RT_FIFO4	(2 << 30)
194#define PSC_I2SCFG_RT_FIFO8	(3 << 30)
195
196#define PSC_I2SCFG_TT_MASK	(3 << 28)
197#define PSC_I2SCFG_TT_FIFO1	(0 << 28)
198#define PSC_I2SCFG_TT_FIFO2	(1 << 28)
199#define PSC_I2SCFG_TT_FIFO4	(2 << 28)
200#define PSC_I2SCFG_TT_FIFO8	(3 << 28)
201
202#define PSC_I2SCFG_DD_DISABLE	(1 << 27)
203#define PSC_I2SCFG_DE_ENABLE	(1 << 26)
204#define PSC_I2SCFG_SET_WS(x)	(((((x) / 2) - 1) & 0x7f) << 16)
205#define PSC_I2SCFG_WS(n)	((n & 0xFF) << 16)
206#define PSC_I2SCFG_WS_MASK	(PSC_I2SCFG_WS(0x3F))
207#define PSC_I2SCFG_WI		(1 << 15)
208
209#define PSC_I2SCFG_DIV_MASK	(3 << 13)
210#define PSC_I2SCFG_DIV2		(0 << 13)
211#define PSC_I2SCFG_DIV4		(1 << 13)
212#define PSC_I2SCFG_DIV8		(2 << 13)
213#define PSC_I2SCFG_DIV16	(3 << 13)
214
215#define PSC_I2SCFG_BI		(1 << 12)
216#define PSC_I2SCFG_BUF		(1 << 11)
217#define PSC_I2SCFG_MLJ		(1 << 10)
218#define PSC_I2SCFG_XM		(1 << 9)
219
220/* The word length equation is simply LEN+1. */
221#define PSC_I2SCFG_SET_LEN(x)	((((x) - 1) & 0x1f) << 4)
222#define PSC_I2SCFG_GET_LEN(x)	((((x) >> 4) & 0x1f) + 1)
223
224#define PSC_I2SCFG_LB		(1 << 2)
225#define PSC_I2SCFG_MLF		(1 << 1)
226#define PSC_I2SCFG_MS		(1 << 0)
227
228/* I2S Mask Register. */
229#define PSC_I2SMSK_RR		(1 << 13)
230#define PSC_I2SMSK_RO		(1 << 12)
231#define PSC_I2SMSK_RU		(1 << 11)
232#define PSC_I2SMSK_TR		(1 << 10)
233#define PSC_I2SMSK_TO		(1 << 9)
234#define PSC_I2SMSK_TU		(1 << 8)
235#define PSC_I2SMSK_RD		(1 << 5)
236#define PSC_I2SMSK_TD		(1 << 4)
237#define PSC_I2SMSK_ALLMASK	(PSC_I2SMSK_RR | PSC_I2SMSK_RO | \
238				 PSC_I2SMSK_RU | PSC_I2SMSK_TR | \
239				 PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
240				 PSC_I2SMSK_RD | PSC_I2SMSK_TD)
241
242/* I2S Protocol Control Register. */
243#define PSC_I2SPCR_RC		(1 << 6)
244#define PSC_I2SPCR_RP		(1 << 5)
245#define PSC_I2SPCR_RS		(1 << 4)
246#define PSC_I2SPCR_TC		(1 << 2)
247#define PSC_I2SPCR_TP		(1 << 1)
248#define PSC_I2SPCR_TS		(1 << 0)
249
250/* I2S Status register (read only). */
251#define PSC_I2SSTAT_RF		(1 << 13)
252#define PSC_I2SSTAT_RE		(1 << 12)
253#define PSC_I2SSTAT_RR		(1 << 11)
254#define PSC_I2SSTAT_TF		(1 << 10)
255#define PSC_I2SSTAT_TE		(1 << 9)
256#define PSC_I2SSTAT_TR		(1 << 8)
257#define PSC_I2SSTAT_RB		(1 << 5)
258#define PSC_I2SSTAT_TB		(1 << 4)
259#define PSC_I2SSTAT_DI		(1 << 2)
260#define PSC_I2SSTAT_DR		(1 << 1)
261#define PSC_I2SSTAT_SR		(1 << 0)
262
263/* I2S Event Register. */
264#define PSC_I2SEVNT_RR		(1 << 13)
265#define PSC_I2SEVNT_RO		(1 << 12)
266#define PSC_I2SEVNT_RU		(1 << 11)
267#define PSC_I2SEVNT_TR		(1 << 10)
268#define PSC_I2SEVNT_TO		(1 << 9)
269#define PSC_I2SEVNT_TU		(1 << 8)
270#define PSC_I2SEVNT_RD		(1 << 5)
271#define PSC_I2SEVNT_TD		(1 << 4)
272
273/* PSC in SPI Mode. */
274typedef struct	psc_spi {
275	u32	psc_sel;
276	u32	psc_ctrl;
277	u32	psc_spicfg;
278	u32	psc_spimsk;
279	u32	psc_spipcr;
280	u32	psc_spistat;
281	u32	psc_spievent;
282	u32	psc_spitxrx;
283} psc_spi_t;
284
285/* SPI Config Register. */
286#define PSC_SPICFG_RT_MASK	(3 << 30)
287#define PSC_SPICFG_RT_FIFO1	(0 << 30)
288#define PSC_SPICFG_RT_FIFO2	(1 << 30)
289#define PSC_SPICFG_RT_FIFO4	(2 << 30)
290#define PSC_SPICFG_RT_FIFO8	(3 << 30)
291
292#define PSC_SPICFG_TT_MASK	(3 << 28)
293#define PSC_SPICFG_TT_FIFO1	(0 << 28)
294#define PSC_SPICFG_TT_FIFO2	(1 << 28)
295#define PSC_SPICFG_TT_FIFO4	(2 << 28)
296#define PSC_SPICFG_TT_FIFO8	(3 << 28)
297
298#define PSC_SPICFG_DD_DISABLE	(1 << 27)
299#define PSC_SPICFG_DE_ENABLE	(1 << 26)
300#define PSC_SPICFG_CLR_BAUD(x)	((x) & ~((0x3f) << 15))
301#define PSC_SPICFG_SET_BAUD(x)	(((x) & 0x3f) << 15)
302
303#define PSC_SPICFG_SET_DIV(x)	(((x) & 0x03) << 13)
304#define PSC_SPICFG_DIV2		0
305#define PSC_SPICFG_DIV4		1
306#define PSC_SPICFG_DIV8		2
307#define PSC_SPICFG_DIV16	3
308
309#define PSC_SPICFG_BI		(1 << 12)
310#define PSC_SPICFG_PSE		(1 << 11)
311#define PSC_SPICFG_CGE		(1 << 10)
312#define PSC_SPICFG_CDE		(1 << 9)
313
314#define PSC_SPICFG_CLR_LEN(x)	((x) & ~((0x1f) << 4))
315#define PSC_SPICFG_SET_LEN(x)	(((x-1) & 0x1f) << 4)
316
317#define PSC_SPICFG_LB		(1 << 3)
318#define PSC_SPICFG_MLF		(1 << 1)
319#define PSC_SPICFG_MO		(1 << 0)
320
321/* SPI Mask Register. */
322#define PSC_SPIMSK_MM		(1 << 16)
323#define PSC_SPIMSK_RR		(1 << 13)
324#define PSC_SPIMSK_RO		(1 << 12)
325#define PSC_SPIMSK_RU		(1 << 11)
326#define PSC_SPIMSK_TR		(1 << 10)
327#define PSC_SPIMSK_TO		(1 << 9)
328#define PSC_SPIMSK_TU		(1 << 8)
329#define PSC_SPIMSK_SD		(1 << 5)
330#define PSC_SPIMSK_MD		(1 << 4)
331#define PSC_SPIMSK_ALLMASK	(PSC_SPIMSK_MM | PSC_SPIMSK_RR | \
332				 PSC_SPIMSK_RO | PSC_SPIMSK_TO | \
333				 PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
334				 PSC_SPIMSK_MD)
335
336/* SPI Protocol Control Register. */
337#define PSC_SPIPCR_RC		(1 << 6)
338#define PSC_SPIPCR_SP		(1 << 5)
339#define PSC_SPIPCR_SS		(1 << 4)
340#define PSC_SPIPCR_TC		(1 << 2)
341#define PSC_SPIPCR_MS		(1 << 0)
342
343/* SPI Status register (read only). */
344#define PSC_SPISTAT_RF		(1 << 13)
345#define PSC_SPISTAT_RE		(1 << 12)
346#define PSC_SPISTAT_RR		(1 << 11)
347#define PSC_SPISTAT_TF		(1 << 10)
348#define PSC_SPISTAT_TE		(1 << 9)
349#define PSC_SPISTAT_TR		(1 << 8)
350#define PSC_SPISTAT_SB		(1 << 5)
351#define PSC_SPISTAT_MB		(1 << 4)
352#define PSC_SPISTAT_DI		(1 << 2)
353#define PSC_SPISTAT_DR		(1 << 1)
354#define PSC_SPISTAT_SR		(1 << 0)
355
356/* SPI Event Register. */
357#define PSC_SPIEVNT_MM		(1 << 16)
358#define PSC_SPIEVNT_RR		(1 << 13)
359#define PSC_SPIEVNT_RO		(1 << 12)
360#define PSC_SPIEVNT_RU		(1 << 11)
361#define PSC_SPIEVNT_TR		(1 << 10)
362#define PSC_SPIEVNT_TO		(1 << 9)
363#define PSC_SPIEVNT_TU		(1 << 8)
364#define PSC_SPIEVNT_SD		(1 << 5)
365#define PSC_SPIEVNT_MD		(1 << 4)
366
367/* Transmit register control. */
368#define PSC_SPITXRX_LC		(1 << 29)
369#define PSC_SPITXRX_SR		(1 << 28)
370
371/* SMBus Config Register. */
372#define PSC_SMBCFG_RT_MASK	(3 << 30)
373#define PSC_SMBCFG_RT_FIFO1	(0 << 30)
374#define PSC_SMBCFG_RT_FIFO2	(1 << 30)
375#define PSC_SMBCFG_RT_FIFO4	(2 << 30)
376#define PSC_SMBCFG_RT_FIFO8	(3 << 30)
377
378#define PSC_SMBCFG_TT_MASK	(3 << 28)
379#define PSC_SMBCFG_TT_FIFO1	(0 << 28)
380#define PSC_SMBCFG_TT_FIFO2	(1 << 28)
381#define PSC_SMBCFG_TT_FIFO4	(2 << 28)
382#define PSC_SMBCFG_TT_FIFO8	(3 << 28)
383
384#define PSC_SMBCFG_DD_DISABLE	(1 << 27)
385#define PSC_SMBCFG_DE_ENABLE	(1 << 26)
386
387#define PSC_SMBCFG_SET_DIV(x)	(((x) & 0x03) << 13)
388#define PSC_SMBCFG_DIV2		0
389#define PSC_SMBCFG_DIV4		1
390#define PSC_SMBCFG_DIV8		2
391#define PSC_SMBCFG_DIV16	3
392
393#define PSC_SMBCFG_GCE		(1 << 9)
394#define PSC_SMBCFG_SFM		(1 << 8)
395
396#define PSC_SMBCFG_SET_SLV(x)	(((x) & 0x7f) << 1)
397
398/* SMBus Mask Register. */
399#define PSC_SMBMSK_DN		(1 << 30)
400#define PSC_SMBMSK_AN		(1 << 29)
401#define PSC_SMBMSK_AL		(1 << 28)
402#define PSC_SMBMSK_RR		(1 << 13)
403#define PSC_SMBMSK_RO		(1 << 12)
404#define PSC_SMBMSK_RU		(1 << 11)
405#define PSC_SMBMSK_TR		(1 << 10)
406#define PSC_SMBMSK_TO		(1 << 9)
407#define PSC_SMBMSK_TU		(1 << 8)
408#define PSC_SMBMSK_SD		(1 << 5)
409#define PSC_SMBMSK_MD		(1 << 4)
410#define PSC_SMBMSK_ALLMASK	(PSC_SMBMSK_DN | PSC_SMBMSK_AN | \
411				 PSC_SMBMSK_AL | PSC_SMBMSK_RR | \
412				 PSC_SMBMSK_RO | PSC_SMBMSK_TO | \
413				 PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
414				 PSC_SMBMSK_MD)
415
416/* SMBus Protocol Control Register. */
417#define PSC_SMBPCR_DC		(1 << 2)
418#define PSC_SMBPCR_MS		(1 << 0)
419
420/* SMBus Status register (read only). */
421#define PSC_SMBSTAT_BB		(1 << 28)
422#define PSC_SMBSTAT_RF		(1 << 13)
423#define PSC_SMBSTAT_RE		(1 << 12)
424#define PSC_SMBSTAT_RR		(1 << 11)
425#define PSC_SMBSTAT_TF		(1 << 10)
426#define PSC_SMBSTAT_TE		(1 << 9)
427#define PSC_SMBSTAT_TR		(1 << 8)
428#define PSC_SMBSTAT_SB		(1 << 5)
429#define PSC_SMBSTAT_MB		(1 << 4)
430#define PSC_SMBSTAT_DI		(1 << 2)
431#define PSC_SMBSTAT_DR		(1 << 1)
432#define PSC_SMBSTAT_SR		(1 << 0)
433
434/* SMBus Event Register. */
435#define PSC_SMBEVNT_DN		(1 << 30)
436#define PSC_SMBEVNT_AN		(1 << 29)
437#define PSC_SMBEVNT_AL		(1 << 28)
438#define PSC_SMBEVNT_RR		(1 << 13)
439#define PSC_SMBEVNT_RO		(1 << 12)
440#define PSC_SMBEVNT_RU		(1 << 11)
441#define PSC_SMBEVNT_TR		(1 << 10)
442#define PSC_SMBEVNT_TO		(1 << 9)
443#define PSC_SMBEVNT_TU		(1 << 8)
444#define PSC_SMBEVNT_SD		(1 << 5)
445#define PSC_SMBEVNT_MD		(1 << 4)
446#define PSC_SMBEVNT_ALLCLR	(PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \
447				 PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \
448				 PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \
449				 PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
450				 PSC_SMBEVNT_MD)
451
452/* Transmit register control. */
453#define PSC_SMBTXRX_RSR		(1 << 28)
454#define PSC_SMBTXRX_STP		(1 << 29)
455#define PSC_SMBTXRX_DATAMASK	0xff
456
457/* SMBus protocol timers register. */
458#define PSC_SMBTMR_SET_TH(x)	(((x) & 0x03) << 30)
459#define PSC_SMBTMR_SET_PS(x)	(((x) & 0x1f) << 25)
460#define PSC_SMBTMR_SET_PU(x)	(((x) & 0x1f) << 20)
461#define PSC_SMBTMR_SET_SH(x)	(((x) & 0x1f) << 15)
462#define PSC_SMBTMR_SET_SU(x)	(((x) & 0x1f) << 10)
463#define PSC_SMBTMR_SET_CL(x)	(((x) & 0x1f) << 5)
464#define PSC_SMBTMR_SET_CH(x)	(((x) & 0x1f) << 0)
465
466#endif /* _AU1000_PSC_H_ */
467