[PATCH] powerpc: Fix sound driver use of i2c
[linux-2.6] / sound / oss / cs4281 / cs4281pm.h
1 #ifndef NOT_CS4281_PM
2 /*******************************************************************************
3 *
4 *      "cs4281pm.h" --  Cirrus Logic-Crystal CS4281 linux audio driver.
5 *
6 *      Copyright (C) 2000,2001  Cirrus Logic Corp.  
7 *            -- tom woller (twoller@crystal.cirrus.com) or
8 *               (audio@crystal.cirrus.com).
9 *
10 *      This program is free software; you can redistribute it and/or modify
11 *      it under the terms of the GNU General Public License as published by
12 *      the Free Software Foundation; either version 2 of the License, or
13 *      (at your option) any later version.
14 *
15 *      This program is distributed in the hope that it will be useful,
16 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *      GNU General Public License for more details.
19 *
20 *      You should have received a copy of the GNU General Public License
21 *      along with this program; if not, write to the Free Software
22 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * 12/22/00 trw - new file. 
25 *
26 *******************************************************************************/
27 /* general pm definitions */
28 #define CS4281_AC97_HIGHESTREGTORESTORE 0x26
29 #define CS4281_AC97_NUMBER_RESTORE_REGS (CS4281_AC97_HIGHESTREGTORESTORE/2-1)
30
31 /* pipeline definitions */
32 #define CS4281_NUMBER_OF_PIPELINES      4
33 #define CS4281_PIPELINE_VALID           0x0001
34 #define CS4281_PLAYBACK_PIPELINE_NUMBER 0x0000
35 #define CS4281_CAPTURE_PIPELINE_NUMBER  0x0001
36
37 /* PM state defintions */
38 #define CS4281_PM_NOT_REGISTERED        0x1000
39 #define CS4281_PM_IDLE                  0x0001
40 #define CS4281_PM_SUSPENDING            0x0002
41 #define CS4281_PM_SUSPENDED             0x0004
42 #define CS4281_PM_RESUMING              0x0008
43 #define CS4281_PM_RESUMED               0x0010
44
45 struct cs4281_pm {
46         unsigned long flags;
47         u32 u32CLKCR1_SAVE,u32SSPMValue,u32PPLVCvalue,u32PPRVCvalue;
48         u32 u32FMLVCvalue,u32FMRVCvalue,u32GPIORvalue,u32JSCTLvalue,u32SSCR;
49         u32 u32SRCSA,u32DacASR,u32AdcASR,u32DacSR,u32AdcSR,u32MIDCR_Save;
50         u32 u32SSPM_BITS;
51         u32 ac97[CS4281_AC97_NUMBER_RESTORE_REGS];
52         u32 u32AC97_master_volume, u32AC97_headphone_volume, u32AC97_master_volume_mono;
53         u32 u32AC97_pcm_out_volume, u32AC97_powerdown, u32AC97_general_purpose;
54         u32 u32hwptr_playback,u32hwptr_capture;
55 };
56
57 struct cs4281_pipeline {
58         unsigned flags;
59         unsigned number;
60         u32 u32DBAnValue,u32DBCnValue,u32DMRnValue,u32DCRnValue;
61         u32 u32DBAnAddress,u32DCAnAddress,u32DBCnAddress,u32DCCnAddress;
62         u32 u32DMRnAddress,u32DCRnAddress,u32HDSRnAddress;
63         u32 u32DBAn_Save,u32DBCn_Save,u32DMRn_Save,u32DCRn_Save;
64         u32 u32DCCn_Save,u32DCAn_Save;
65 /* 
66 * technically, these are fifo variables, but just map the 
67 * first fifo with the first pipeline and then use the fifo
68 * variables inside of the pipeline struct.
69 */
70         u32 u32FCRn_Save,u32FSICn_Save;
71         u32 u32FCRnValue,u32FCRnAddress,u32FSICnValue,u32FSICnAddress;
72         u32 u32FPDRnValue,u32FPDRnAddress;
73 };
74 #endif