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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/* The PSC base addresses. */
37#ifdef CONFIG_SOC_AU1550
38#define PSC0_BASE_ADDR 0xb1a00000
39#define PSC1_BASE_ADDR 0xb1b00000
40#define PSC2_BASE_ADDR 0xb0a00000
41#define PSC3_BASE_ADDR 0xb0b00000
42#endif
43
44#ifdef CONFIG_SOC_AU1200
45#define PSC0_BASE_ADDR 0xb1a00000
46#define PSC1_BASE_ADDR 0xb1b00000
47#endif
48
49/*
50 * The PSC select and control registers are common to all protocols.
51 */
52#define PSC_SEL_OFFSET 0x00000000
53#define PSC_CTRL_OFFSET 0x00000004
54
55#define PSC_SEL_CLK_MASK (3 << 4)
56#define PSC_SEL_CLK_INTCLK (0 << 4)
57#define PSC_SEL_CLK_EXTCLK (1 << 4)
58#define PSC_SEL_CLK_SERCLK (2 << 4)
59
60#define PSC_SEL_PS_MASK 0x00000007
61#define PSC_SEL_PS_DISABLED 0
62#define PSC_SEL_PS_SPIMODE 2
63#define PSC_SEL_PS_I2SMODE 3
64#define PSC_SEL_PS_AC97MODE 4
65#define PSC_SEL_PS_SMBUSMODE 5
66
67#define PSC_CTRL_DISABLE 0
68#define PSC_CTRL_SUSPEND 2
69#define PSC_CTRL_ENABLE 3
70
71/* AC97 Registers. */
72#define PSC_AC97CFG_OFFSET 0x00000008
73#define PSC_AC97MSK_OFFSET 0x0000000c
74#define PSC_AC97PCR_OFFSET 0x00000010
75#define PSC_AC97STAT_OFFSET 0x00000014
76#define PSC_AC97EVNT_OFFSET 0x00000018
77#define PSC_AC97TXRX_OFFSET 0x0000001c
78#define PSC_AC97CDC_OFFSET 0x00000020
79#define PSC_AC97RST_OFFSET 0x00000024
80#define PSC_AC97GPO_OFFSET 0x00000028
81#define PSC_AC97GPI_OFFSET 0x0000002c
82
83#define AC97_PSC_SEL (AC97_PSC_BASE + PSC_SEL_OFFSET)
84#define AC97_PSC_CTRL (AC97_PSC_BASE + PSC_CTRL_OFFSET)
85#define PSC_AC97CFG (AC97_PSC_BASE + PSC_AC97CFG_OFFSET)
86#define PSC_AC97MSK (AC97_PSC_BASE + PSC_AC97MSK_OFFSET)
87#define PSC_AC97PCR (AC97_PSC_BASE + PSC_AC97PCR_OFFSET)
88#define PSC_AC97STAT (AC97_PSC_BASE + PSC_AC97STAT_OFFSET)
89#define PSC_AC97EVNT (AC97_PSC_BASE + PSC_AC97EVNT_OFFSET)
90#define PSC_AC97TXRX (AC97_PSC_BASE + PSC_AC97TXRX_OFFSET)
91#define PSC_AC97CDC (AC97_PSC_BASE + PSC_AC97CDC_OFFSET)
92#define PSC_AC97RST (AC97_PSC_BASE + PSC_AC97RST_OFFSET)
93#define PSC_AC97GPO (AC97_PSC_BASE + PSC_AC97GPO_OFFSET)
94#define PSC_AC97GPI (AC97_PSC_BASE + PSC_AC97GPI_OFFSET)
95
96/* AC97 Config Register. */
97#define PSC_AC97CFG_RT_MASK (3 << 30)
98#define PSC_AC97CFG_RT_FIFO1 (0 << 30)
99#define PSC_AC97CFG_RT_FIFO2 (1 << 30)
100#define PSC_AC97CFG_RT_FIFO4 (2 << 30)
101#define PSC_AC97CFG_RT_FIFO8 (3 << 30)
102
103#define PSC_AC97CFG_TT_MASK (3 << 28)
104#define PSC_AC97CFG_TT_FIFO1 (0 << 28)
105#define PSC_AC97CFG_TT_FIFO2 (1 << 28)
106#define PSC_AC97CFG_TT_FIFO4 (2 << 28)
107#define PSC_AC97CFG_TT_FIFO8 (3 << 28)
108
109#define PSC_AC97CFG_DD_DISABLE (1 << 27)
110#define PSC_AC97CFG_DE_ENABLE (1 << 26)
111#define PSC_AC97CFG_SE_ENABLE (1 << 25)
112
113#define PSC_AC97CFG_LEN_MASK (0xf << 21)
114#define PSC_AC97CFG_TXSLOT_MASK (0x3ff << 11)
115#define PSC_AC97CFG_RXSLOT_MASK (0x3ff << 1)
116#define PSC_AC97CFG_GE_ENABLE (1)
117
118/* Enable slots 3-12. */
119#define PSC_AC97CFG_TXSLOT_ENA(x) (1 << (((x) - 3) + 11))
120#define PSC_AC97CFG_RXSLOT_ENA(x) (1 << (((x) - 3) + 1))
121
122/*
123 * The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
124 * The only sensible numbers are 7, 9, or possibly 11. Nah, just do the
125 * arithmetic in the macro.
126 */
127#define PSC_AC97CFG_SET_LEN(x) (((((x) - 2) / 2) & 0xf) << 21)
128#define PSC_AC97CFG_GET_LEN(x) (((((x) >> 21) & 0xf) * 2) + 2)
129
130/* AC97 Mask Register. */
131#define PSC_AC97MSK_GR (1 << 25)
132#define PSC_AC97MSK_CD (1 << 24)
133#define PSC_AC97MSK_RR (1 << 13)
134#define PSC_AC97MSK_RO (1 << 12)
135#define PSC_AC97MSK_RU (1 << 11)
136#define PSC_AC97MSK_TR (1 << 10)
137#define PSC_AC97MSK_TO (1 << 9)
138#define PSC_AC97MSK_TU (1 << 8)
139#define PSC_AC97MSK_RD (1 << 5)
140#define PSC_AC97MSK_TD (1 << 4)
141#define PSC_AC97MSK_ALLMASK (PSC_AC97MSK_GR | PSC_AC97MSK_CD | \
142 PSC_AC97MSK_RR | PSC_AC97MSK_RO | \
143 PSC_AC97MSK_RU | PSC_AC97MSK_TR | \
144 PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
145 PSC_AC97MSK_RD | PSC_AC97MSK_TD)
146
147/* AC97 Protocol Control Register. */
148#define PSC_AC97PCR_RC (1 << 6)
149#define PSC_AC97PCR_RP (1 << 5)
150#define PSC_AC97PCR_RS (1 << 4)
151#define PSC_AC97PCR_TC (1 << 2)
152#define PSC_AC97PCR_TP (1 << 1)
153#define PSC_AC97PCR_TS (1 << 0)
154
155/* AC97 Status register (read only). */
156#define PSC_AC97STAT_CB (1 << 26)
157#define PSC_AC97STAT_CP (1 << 25)
158#define PSC_AC97STAT_CR (1 << 24)
159#define PSC_AC97STAT_RF (1 << 13)
160#define PSC_AC97STAT_RE (1 << 12)
161#define PSC_AC97STAT_RR (1 << 11)
162#define PSC_AC97STAT_TF (1 << 10)
163#define PSC_AC97STAT_TE (1 << 9)
164#define PSC_AC97STAT_TR (1 << 8)
165#define PSC_AC97STAT_RB (1 << 5)
166#define PSC_AC97STAT_TB (1 << 4)
167#define PSC_AC97STAT_DI (1 << 2)
168#define PSC_AC97STAT_DR (1 << 1)
169#define PSC_AC97STAT_SR (1 << 0)
170
171/* AC97 Event Register. */
172#define PSC_AC97EVNT_GR (1 << 25)
173#define PSC_AC97EVNT_CD (1 << 24)
174#define PSC_AC97EVNT_RR (1 << 13)
175#define PSC_AC97EVNT_RO (1 << 12)
176#define PSC_AC97EVNT_RU (1 << 11)
177#define PSC_AC97EVNT_TR (1 << 10)
178#define PSC_AC97EVNT_TO (1 << 9)
179#define PSC_AC97EVNT_TU (1 << 8)
180#define PSC_AC97EVNT_RD (1 << 5)
181#define PSC_AC97EVNT_TD (1 << 4)
182
183/* CODEC Command Register. */
184#define PSC_AC97CDC_RD (1 << 25)
185#define PSC_AC97CDC_ID_MASK (3 << 23)
186#define PSC_AC97CDC_INDX_MASK (0x7f << 16)
187#define PSC_AC97CDC_ID(x) (((x) & 0x03) << 23)
188#define PSC_AC97CDC_INDX(x) (((x) & 0x7f) << 16)
189
190/* AC97 Reset Control Register. */
191#define PSC_AC97RST_RST (1 << 1)
192#define PSC_AC97RST_SNC (1 << 0)
193
194/* PSC in I2S Mode. */
195typedef struct psc_i2s {
196 u32 psc_sel;
197 u32 psc_ctrl;
198 u32 psc_i2scfg;
199 u32 psc_i2smsk;
200 u32 psc_i2spcr;
201 u32 psc_i2sstat;
202 u32 psc_i2sevent;
203 u32 psc_i2stxrx;
204 u32 psc_i2sudf;
205} psc_i2s_t;
206
207#define PSC_I2SCFG_OFFSET 0x08
208#define PSC_I2SMASK_OFFSET 0x0C
209#define PSC_I2SPCR_OFFSET 0x10
210#define PSC_I2SSTAT_OFFSET 0x14
211#define PSC_I2SEVENT_OFFSET 0x18
212#define PSC_I2SRXTX_OFFSET 0x1C
213#define PSC_I2SUDF_OFFSET 0x20
214
215/* I2S Config Register. */
216#define PSC_I2SCFG_RT_MASK (3 << 30)
217#define PSC_I2SCFG_RT_FIFO1 (0 << 30)
218#define PSC_I2SCFG_RT_FIFO2 (1 << 30)
219#define PSC_I2SCFG_RT_FIFO4 (2 << 30)
220#define PSC_I2SCFG_RT_FIFO8 (3 << 30)
221
222#define PSC_I2SCFG_TT_MASK (3 << 28)
223#define PSC_I2SCFG_TT_FIFO1 (0 << 28)
224#define PSC_I2SCFG_TT_FIFO2 (1 << 28)
225#define PSC_I2SCFG_TT_FIFO4 (2 << 28)
226#define PSC_I2SCFG_TT_FIFO8 (3 << 28)
227
228#define PSC_I2SCFG_DD_DISABLE (1 << 27)
229#define PSC_I2SCFG_DE_ENABLE (1 << 26)
230#define PSC_I2SCFG_SET_WS(x) (((((x) / 2) - 1) & 0x7f) << 16)
231#define PSC_I2SCFG_WS(n) ((n & 0xFF) << 16)
232#define PSC_I2SCFG_WS_MASK (PSC_I2SCFG_WS(0x3F))
233#define PSC_I2SCFG_WI (1 << 15)
234
235#define PSC_I2SCFG_DIV_MASK (3 << 13)
236#define PSC_I2SCFG_DIV2 (0 << 13)
237#define PSC_I2SCFG_DIV4 (1 << 13)
238#define PSC_I2SCFG_DIV8 (2 << 13)
239#define PSC_I2SCFG_DIV16 (3 << 13)
240
241#define PSC_I2SCFG_BI (1 << 12)
242#define PSC_I2SCFG_BUF (1 << 11)
243#define PSC_I2SCFG_MLJ (1 << 10)
244#define PSC_I2SCFG_XM (1 << 9)
245
246/* The word length equation is simply LEN+1. */
247#define PSC_I2SCFG_SET_LEN(x) ((((x) - 1) & 0x1f) << 4)
248#define PSC_I2SCFG_GET_LEN(x) ((((x) >> 4) & 0x1f) + 1)
249
250#define PSC_I2SCFG_LB (1 << 2)
251#define PSC_I2SCFG_MLF (1 << 1)
252#define PSC_I2SCFG_MS (1 << 0)
253
254/* I2S Mask Register. */
255#define PSC_I2SMSK_RR (1 << 13)
256#define PSC_I2SMSK_RO (1 << 12)
257#define PSC_I2SMSK_RU (1 << 11)
258#define PSC_I2SMSK_TR (1 << 10)
259#define PSC_I2SMSK_TO (1 << 9)
260#define PSC_I2SMSK_TU (1 << 8)
261#define PSC_I2SMSK_RD (1 << 5)
262#define PSC_I2SMSK_TD (1 << 4)
263#define PSC_I2SMSK_ALLMASK (PSC_I2SMSK_RR | PSC_I2SMSK_RO | \
264 PSC_I2SMSK_RU | PSC_I2SMSK_TR | \
265 PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
266 PSC_I2SMSK_RD | PSC_I2SMSK_TD)
267
268/* I2S Protocol Control Register. */
269#define PSC_I2SPCR_RC (1 << 6)
270#define PSC_I2SPCR_RP (1 << 5)
271#define PSC_I2SPCR_RS (1 << 4)
272#define PSC_I2SPCR_TC (1 << 2)
273#define PSC_I2SPCR_TP (1 << 1)
274#define PSC_I2SPCR_TS (1 << 0)
275
276/* I2S Status register (read only). */
277#define PSC_I2SSTAT_RF (1 << 13)
278#define PSC_I2SSTAT_RE (1 << 12)
279#define PSC_I2SSTAT_RR (1 << 11)
280#define PSC_I2SSTAT_TF (1 << 10)
281#define PSC_I2SSTAT_TE (1 << 9)
282#define PSC_I2SSTAT_TR (1 << 8)
283#define PSC_I2SSTAT_RB (1 << 5)
284#define PSC_I2SSTAT_TB (1 << 4)
285#define PSC_I2SSTAT_DI (1 << 2)
286#define PSC_I2SSTAT_DR (1 << 1)
287#define PSC_I2SSTAT_SR (1 << 0)
288
289/* I2S Event Register. */
290#define PSC_I2SEVNT_RR (1 << 13)
291#define PSC_I2SEVNT_RO (1 << 12)
292#define PSC_I2SEVNT_RU (1 << 11)
293#define PSC_I2SEVNT_TR (1 << 10)
294#define PSC_I2SEVNT_TO (1 << 9)
295#define PSC_I2SEVNT_TU (1 << 8)
296#define PSC_I2SEVNT_RD (1 << 5)
297#define PSC_I2SEVNT_TD (1 << 4)
298
299/* PSC in SPI Mode. */
300typedef struct psc_spi {
301 u32 psc_sel;
302 u32 psc_ctrl;
303 u32 psc_spicfg;
304 u32 psc_spimsk;
305 u32 psc_spipcr;
306 u32 psc_spistat;
307 u32 psc_spievent;
308 u32 psc_spitxrx;
309} psc_spi_t;
310
311/* SPI Config Register. */
312#define PSC_SPICFG_RT_MASK (3 << 30)
313#define PSC_SPICFG_RT_FIFO1 (0 << 30)
314#define PSC_SPICFG_RT_FIFO2 (1 << 30)
315#define PSC_SPICFG_RT_FIFO4 (2 << 30)
316#define PSC_SPICFG_RT_FIFO8 (3 << 30)
317
318#define PSC_SPICFG_TT_MASK (3 << 28)
319#define PSC_SPICFG_TT_FIFO1 (0 << 28)
320#define PSC_SPICFG_TT_FIFO2 (1 << 28)
321#define PSC_SPICFG_TT_FIFO4 (2 << 28)
322#define PSC_SPICFG_TT_FIFO8 (3 << 28)
323
324#define PSC_SPICFG_DD_DISABLE (1 << 27)
325#define PSC_SPICFG_DE_ENABLE (1 << 26)
326#define PSC_SPICFG_CLR_BAUD(x) ((x) & ~((0x3f) << 15))
327#define PSC_SPICFG_SET_BAUD(x) (((x) & 0x3f) << 15)
328
329#define PSC_SPICFG_SET_DIV(x) (((x) & 0x03) << 13)
330#define PSC_SPICFG_DIV2 0
331#define PSC_SPICFG_DIV4 1
332#define PSC_SPICFG_DIV8 2
333#define PSC_SPICFG_DIV16 3
334
335#define PSC_SPICFG_BI (1 << 12)
336#define PSC_SPICFG_PSE (1 << 11)
337#define PSC_SPICFG_CGE (1 << 10)
338#define PSC_SPICFG_CDE (1 << 9)
339
340#define PSC_SPICFG_CLR_LEN(x) ((x) & ~((0x1f) << 4))
341#define PSC_SPICFG_SET_LEN(x) (((x-1) & 0x1f) << 4)
342
343#define PSC_SPICFG_LB (1 << 3)
344#define PSC_SPICFG_MLF (1 << 1)
345#define PSC_SPICFG_MO (1 << 0)
346
347/* SPI Mask Register. */
348#define PSC_SPIMSK_MM (1 << 16)
349#define PSC_SPIMSK_RR (1 << 13)
350#define PSC_SPIMSK_RO (1 << 12)
351#define PSC_SPIMSK_RU (1 << 11)
352#define PSC_SPIMSK_TR (1 << 10)
353#define PSC_SPIMSK_TO (1 << 9)
354#define PSC_SPIMSK_TU (1 << 8)
355#define PSC_SPIMSK_SD (1 << 5)
356#define PSC_SPIMSK_MD (1 << 4)
357#define PSC_SPIMSK_ALLMASK (PSC_SPIMSK_MM | PSC_SPIMSK_RR | \
358 PSC_SPIMSK_RO | PSC_SPIMSK_TO | \
359 PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
360 PSC_SPIMSK_MD)
361
362/* SPI Protocol Control Register. */
363#define PSC_SPIPCR_RC (1 << 6)
364#define PSC_SPIPCR_SP (1 << 5)
365#define PSC_SPIPCR_SS (1 << 4)
366#define PSC_SPIPCR_TC (1 << 2)
367#define PSC_SPIPCR_MS (1 << 0)
368
369/* SPI Status register (read only). */
370#define PSC_SPISTAT_RF (1 << 13)
371#define PSC_SPISTAT_RE (1 << 12)
372#define PSC_SPISTAT_RR (1 << 11)
373#define PSC_SPISTAT_TF (1 << 10)
374#define PSC_SPISTAT_TE (1 << 9)
375#define PSC_SPISTAT_TR (1 << 8)
376#define PSC_SPISTAT_SB (1 << 5)
377#define PSC_SPISTAT_MB (1 << 4)
378#define PSC_SPISTAT_DI (1 << 2)
379#define PSC_SPISTAT_DR (1 << 1)
380#define PSC_SPISTAT_SR (1 << 0)
381
382/* SPI Event Register. */
383#define PSC_SPIEVNT_MM (1 << 16)
384#define PSC_SPIEVNT_RR (1 << 13)
385#define PSC_SPIEVNT_RO (1 << 12)
386#define PSC_SPIEVNT_RU (1 << 11)
387#define PSC_SPIEVNT_TR (1 << 10)
388#define PSC_SPIEVNT_TO (1 << 9)
389#define PSC_SPIEVNT_TU (1 << 8)
390#define PSC_SPIEVNT_SD (1 << 5)
391#define PSC_SPIEVNT_MD (1 << 4)
392
393/* Transmit register control. */
394#define PSC_SPITXRX_LC (1 << 29)
395#define PSC_SPITXRX_SR (1 << 28)
396
397/* PSC in SMBus (I2C) Mode. */
398typedef struct psc_smb {
399 u32 psc_sel;
400 u32 psc_ctrl;
401 u32 psc_smbcfg;
402 u32 psc_smbmsk;
403 u32 psc_smbpcr;
404 u32 psc_smbstat;
405 u32 psc_smbevnt;
406 u32 psc_smbtxrx;
407 u32 psc_smbtmr;
408} psc_smb_t;
409
410/* SMBus Config Register. */
411#define PSC_SMBCFG_RT_MASK (3 << 30)
412#define PSC_SMBCFG_RT_FIFO1 (0 << 30)
413#define PSC_SMBCFG_RT_FIFO2 (1 << 30)
414#define PSC_SMBCFG_RT_FIFO4 (2 << 30)
415#define PSC_SMBCFG_RT_FIFO8 (3 << 30)
416
417#define PSC_SMBCFG_TT_MASK (3 << 28)
418#define PSC_SMBCFG_TT_FIFO1 (0 << 28)
419#define PSC_SMBCFG_TT_FIFO2 (1 << 28)
420#define PSC_SMBCFG_TT_FIFO4 (2 << 28)
421#define PSC_SMBCFG_TT_FIFO8 (3 << 28)
422
423#define PSC_SMBCFG_DD_DISABLE (1 << 27)
424#define PSC_SMBCFG_DE_ENABLE (1 << 26)
425
426#define PSC_SMBCFG_SET_DIV(x) (((x) & 0x03) << 13)
427#define PSC_SMBCFG_DIV2 0
428#define PSC_SMBCFG_DIV4 1
429#define PSC_SMBCFG_DIV8 2
430#define PSC_SMBCFG_DIV16 3
431
432#define PSC_SMBCFG_GCE (1 << 9)
433#define PSC_SMBCFG_SFM (1 << 8)
434
435#define PSC_SMBCFG_SET_SLV(x) (((x) & 0x7f) << 1)
436
437/* SMBus Mask Register. */
438#define PSC_SMBMSK_DN (1 << 30)
439#define PSC_SMBMSK_AN (1 << 29)
440#define PSC_SMBMSK_AL (1 << 28)
441#define PSC_SMBMSK_RR (1 << 13)
442#define PSC_SMBMSK_RO (1 << 12)
443#define PSC_SMBMSK_RU (1 << 11)
444#define PSC_SMBMSK_TR (1 << 10)
445#define PSC_SMBMSK_TO (1 << 9)
446#define PSC_SMBMSK_TU (1 << 8)
447#define PSC_SMBMSK_SD (1 << 5)
448#define PSC_SMBMSK_MD (1 << 4)
449#define PSC_SMBMSK_ALLMASK (PSC_SMBMSK_DN | PSC_SMBMSK_AN | \
450 PSC_SMBMSK_AL | PSC_SMBMSK_RR | \
451 PSC_SMBMSK_RO | PSC_SMBMSK_TO | \
452 PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
453 PSC_SMBMSK_MD)
454
455/* SMBus Protocol Control Register. */
456#define PSC_SMBPCR_DC (1 << 2)
457#define PSC_SMBPCR_MS (1 << 0)
458
459/* SMBus Status register (read only). */
460#define PSC_SMBSTAT_BB (1 << 28)
461#define PSC_SMBSTAT_RF (1 << 13)
462#define PSC_SMBSTAT_RE (1 << 12)
463#define PSC_SMBSTAT_RR (1 << 11)
464#define PSC_SMBSTAT_TF (1 << 10)
465#define PSC_SMBSTAT_TE (1 << 9)
466#define PSC_SMBSTAT_TR (1 << 8)
467#define PSC_SMBSTAT_SB (1 << 5)
468#define PSC_SMBSTAT_MB (1 << 4)
469#define PSC_SMBSTAT_DI (1 << 2)
470#define PSC_SMBSTAT_DR (1 << 1)
471#define PSC_SMBSTAT_SR (1 << 0)
472
473/* SMBus Event Register. */
474#define PSC_SMBEVNT_DN (1 << 30)
475#define PSC_SMBEVNT_AN (1 << 29)
476#define PSC_SMBEVNT_AL (1 << 28)
477#define PSC_SMBEVNT_RR (1 << 13)
478#define PSC_SMBEVNT_RO (1 << 12)
479#define PSC_SMBEVNT_RU (1 << 11)
480#define PSC_SMBEVNT_TR (1 << 10)
481#define PSC_SMBEVNT_TO (1 << 9)
482#define PSC_SMBEVNT_TU (1 << 8)
483#define PSC_SMBEVNT_SD (1 << 5)
484#define PSC_SMBEVNT_MD (1 << 4)
485#define PSC_SMBEVNT_ALLCLR (PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \
486 PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \
487 PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \
488 PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
489 PSC_SMBEVNT_MD)
490
491/* Transmit register control. */
492#define PSC_SMBTXRX_RSR (1 << 28)
493#define PSC_SMBTXRX_STP (1 << 29)
494#define PSC_SMBTXRX_DATAMASK 0xff
495
496/* SMBus protocol timers register. */
497#define PSC_SMBTMR_SET_TH(x) (((x) & 0x03) << 30)
498#define PSC_SMBTMR_SET_PS(x) (((x) & 0x1f) << 25)
499#define PSC_SMBTMR_SET_PU(x) (((x) & 0x1f) << 20)
500#define PSC_SMBTMR_SET_SH(x) (((x) & 0x1f) << 15)
501#define PSC_SMBTMR_SET_SU(x) (((x) & 0x1f) << 10)
502#define PSC_SMBTMR_SET_CL(x) (((x) & 0x1f) << 5)
503#define PSC_SMBTMR_SET_CH(x) (((x) & 0x1f) << 0)
504
505#endif /* _AU1000_PSC_H_ */
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_ */