LXR linux/drivers/char/mwave/tp3780i.h

   1/*
   2*
   3* tp3780i.h -- declarations for tp3780i.c
   4*
   5*
   6* Written By: Mike Sullivan IBM Corporation
   7*
   8* Copyright (C) 1999 IBM Corporation
   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* NO WARRANTY
  21* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  22* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  23* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  24* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  25* solely responsible for determining the appropriateness of using and
  26* distributing the Program and assumes all risks associated with its
  27* exercise of rights under this Agreement, including but not limited to
  28* the risks and costs of program errors, damage to or loss of data,
  29* programs or equipment, and unavailability or interruption of operations.
  30*
  31* DISCLAIMER OF LIABILITY
  32* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  33* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  35* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  36* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  37* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  38* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  39*
  40* You should have received a copy of the GNU General Public License
  41* along with this program; if not, write to the Free Software
  42* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  43*
  44*
  45* 10/23/2000 - Alpha Release
  46*       First release to the public
  47*/
  48
  49#ifndef _LINUX_TP3780I_H
  50#define _LINUX_TP3780I_H
  51
  52#include <asm/io.h>
  53#include "mwavepub.h"
  54
  55
  56/* DSP abilities constants for 3780i based Thinkpads */
  57#define TP_ABILITIES_INTS_PER_SEC       39160800
  58#define TP_ABILITIES_DATA_SIZE          32768
  59#define TP_ABILITIES_INST_SIZE          32768
  60#define TP_ABILITIES_MWAVEOS_NAME       "mwaveos0700.dsp"
  61#define TP_ABILITIES_BIOSTASK_NAME      "mwbio701.dsp"
  62
  63
  64/* DSP configuration values for 3780i based Thinkpads */
  65#define TP_CFG_NumTransfers     3       /* 16 transfers */
  66#define TP_CFG_RerequestTimer   1       /* 2 usec */
  67#define TP_CFG_MEMCS16          0       /* Disabled, 16-bit memory assumed */
  68#define TP_CFG_IsaMemCmdWidth   3       /* 295 nsec (16-bit) */
  69#define TP_CFG_GateIOCHRDY      0       /* No IOCHRDY gating */
  70#define TP_CFG_EnablePwrMgmt    1       /* Enable low poser suspend/resume */
  71#define TP_CFG_HBusTimerValue 255       /* HBus timer load value */
  72#define TP_CFG_DisableLBusTimeout 0     /* Enable LBus timeout */
  73#define TP_CFG_N_Divisor       32       /* Clock = 39.1608 Mhz */
  74#define TP_CFG_M_Multiplier    37       /* " */
  75#define TP_CFG_PllBypass        0       /* don't bypass */
  76#define TP_CFG_ChipletEnable 0xFFFF     /* Enable all chiplets */
  77
  78typedef struct {
  79        int bDSPEnabled;
  80        int bShareDspIrq;
  81        int bShareUartIrq;
  82        DSP_3780I_CONFIG_SETTINGS rDspSettings;
  83} THINKPAD_BD_DATA;
  84
  85int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData);
  86int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData);
  87int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData);
  88int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData);
  89int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData);
  90int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData);
  91int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData);
  92int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData);
  93int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities);
  94int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData);
  95int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
  96                               void __user *pvBuffer, unsigned int uCount,
  97                               unsigned long ulDSPAddr);
  98int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
  99                               void __user *pvBuffer, unsigned int uCount,
 100                               unsigned long ulDSPAddr);
 101
 102
 103#endif
 104