1 /*******************************************************************************
2 *
3 *      "cs46xxpm.h" --  Cirrus Logic-Crystal CS46XX linux audio driver.
4 *
5 *      Copyright (C) 2000,2001  Cirrus Logic Corp.
6 *            -- tom woller (twoller@crystal.cirrus.com) or
7 *               (pcaudio@crystal.cirrus.com).
8 *
9 *      This program is free software; you can redistribute it and/or modify
10 *      it under the terms of the GNU General Public License as published by
11 *      the Free Software Foundation; either version 2 of the License, or
12 *      (at your option) any later version.
13 *
14 *      This program is distributed in the hope that it will be useful,
15 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *      GNU General Public License for more details.
18 *
19 *      You should have received a copy of the GNU General Public License
20 *      along with this program; if not, write to the Free Software
21 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 * 12/22/00 trw - new file.
24 *
25 *******************************************************************************/
26 #ifndef __CS46XXPM_H
27 #define __CS46XXPM_H
28 
29 #define CS46XX_AC97_HIGHESTREGTORESTORE 0x26
30 #define CS46XX_AC97_NUMBER_RESTORE_REGS (CS46XX_AC97_HIGHESTREGTORESTORE/2-1)
31 
32 /* PM state defintions */
33 #define CS46XX_PM_NOT_REGISTERED	0x1000
34 #define CS46XX_PM_IDLE			0x0001
35 #define CS46XX_PM_SUSPENDING		0x0002
36 #define CS46XX_PM_SUSPENDED		0x0004
37 #define CS46XX_PM_RESUMING		0x0008
38 #define CS46XX_PM_RESUMED		0x0010
39 
40 #define CS_POWER_DAC			0x0001
41 #define CS_POWER_ADC			0x0002
42 #define CS_POWER_MIXVON			0x0004
43 #define CS_POWER_MIXVOFF		0x0008
44 #define CS_AC97_POWER_CONTROL_ON	0xf000  /* always on bits (inverted) */
45 #define CS_AC97_POWER_CONTROL_ADC	0x0100
46 #define CS_AC97_POWER_CONTROL_DAC	0x0200
47 #define CS_AC97_POWER_CONTROL_MIXVON	0x0400
48 #define CS_AC97_POWER_CONTROL_MIXVOFF	0x0800
49 #define CS_AC97_POWER_CONTROL_ADC_ON	0x0001
50 #define CS_AC97_POWER_CONTROL_DAC_ON	0x0002
51 #define CS_AC97_POWER_CONTROL_MIXVON_ON	0x0004
52 #define CS_AC97_POWER_CONTROL_MIXVOFF_ON 0x0008
53 
54 struct cs46xx_pm {
55 	unsigned long flags;
56 	u32 u32CLKCR1_SAVE,u32SSPMValue,u32PPLVCvalue,u32PPRVCvalue;
57 	u32 u32FMLVCvalue,u32FMRVCvalue,u32GPIORvalue,u32JSCTLvalue,u32SSCR;
58 	u32 u32SRCSA,u32DacASR,u32AdcASR,u32DacSR,u32AdcSR,u32MIDCR_Save;
59 	u32 u32SSPM_BITS;
60 	u32 ac97[CS46XX_AC97_NUMBER_RESTORE_REGS];
61 	u32 u32AC97_master_volume, u32AC97_headphone_volume, u32AC97_master_volume_mono;
62 	u32 u32AC97_pcm_out_volume, u32AC97_powerdown, u32AC97_general_purpose;
63 	u32 u32hwptr_playback,u32hwptr_capture;
64 	unsigned dmabuf_swptr_play;
65 	int dmabuf_count_play;
66 	unsigned dmabuf_swptr_capture;
67 	int dmabuf_count_capture;
68 };
69 
70 #endif
71