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   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