linux/drivers/char/mwave/3780i.c

/*
*
* 3780i.c -- helper routines for the 3780i DSP
*
*
* Written By: Mike Sullivan IBM Corporation
*
* Copyright (C) 1999 IBM Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* NO WARRANTY
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
* solely responsible for determining the appropriateness of using and
* distributing the Program and assumes all risks associated with its
* exercise of rights under this Agreement, including but not limited to
* the risks and costs of program errors, damage to or loss of data,
* programs or equipment, and unavailability or interruption of operations.
*
* DISCLAIMER OF LIABILITY
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
*
* 10/23/2000 - Alpha Release
*	First release to the public
*/

#include <linux/kernel.h>
#include <linux/unistd.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/bitops.h>
#include <linux/sched.h>	/* cond_resched() */

#include <asm/io.h>
#include <linux/uaccess.h>
#include <asm/irq.h>
#include "smapi.h"
#include "mwavedd.h"
#include "3780i.h"

static DEFINE_SPINLOCK(dsp_lock);

static void PaceMsaAccess(unsigned short usDspBaseIO)
{ … }

unsigned short dsp3780I_ReadMsaCfg(unsigned short usDspBaseIO,
                                   unsigned long ulMsaAddr)
{ … }

void dsp3780I_WriteMsaCfg(unsigned short usDspBaseIO,
                          unsigned long ulMsaAddr, unsigned short usValue)
{ … }

static void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex,
				 unsigned char ucValue)
{ … }

#if 0
unsigned char dsp3780I_ReadGenCfg(unsigned short usDspBaseIO,
                                  unsigned uIndex)
{
	DSP_ISA_SLAVE_CONTROL rSlaveControl;
	DSP_ISA_SLAVE_CONTROL rSlaveControl_Save;
	unsigned char ucValue;


	PRINTK_3(TRACE_3780I,
		"3780i::dsp3780i_ReadGenCfg entry usDspBaseIO %x uIndex %x\n",
		usDspBaseIO, uIndex);

	MKBYTE(rSlaveControl) = InByteDsp(DSP_IsaSlaveControl);
	rSlaveControl_Save = rSlaveControl;
	rSlaveControl.ConfigMode = true;
	OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl));
	OutByteDsp(DSP_ConfigAddress, (unsigned char) uIndex);
	ucValue = InByteDsp(DSP_ConfigData);
	OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl_Save));

	PRINTK_2(TRACE_3780I,
		"3780i::dsp3780i_ReadGenCfg exit ucValue %x\n", ucValue);


	return ucValue;
}
#endif  /*  0  */

int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings,
                       unsigned short *pIrqMap,
                       unsigned short *pDmaMap)
{ … }

int dsp3780I_DisableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings)
{ … }

int dsp3780I_Reset(DSP_3780I_CONFIG_SETTINGS * pSettings)
{ … }


int dsp3780I_Run(DSP_3780I_CONFIG_SETTINGS * pSettings)
{ … }


int dsp3780I_ReadDStore(unsigned short usDspBaseIO, void __user *pvBuffer,
                        unsigned uCount, unsigned long ulDSPAddr)
{ … }

int dsp3780I_ReadAndClearDStore(unsigned short usDspBaseIO,
                                void __user *pvBuffer, unsigned uCount,
                                unsigned long ulDSPAddr)
{ … }


int dsp3780I_WriteDStore(unsigned short usDspBaseIO, void __user *pvBuffer,
                         unsigned uCount, unsigned long ulDSPAddr)
{ … }


int dsp3780I_ReadIStore(unsigned short usDspBaseIO, void __user *pvBuffer,
                        unsigned uCount, unsigned long ulDSPAddr)
{ … }


int dsp3780I_WriteIStore(unsigned short usDspBaseIO, void __user *pvBuffer,
                         unsigned uCount, unsigned long ulDSPAddr)
{ … }


int dsp3780I_GetIPCSource(unsigned short usDspBaseIO,
                          unsigned short *pusIPCSource)
{ … }