linux/drivers/char/mwave/smapi.c

/*
*
* smapi.c -- SMAPI interface routines
*
*
* 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/mc146818rtc.h>	/* CMOS defines */
#include "smapi.h"
#include "mwavedd.h"

static unsigned short g_usSmapiPort = …;


static int smapi_request(unsigned short inBX, unsigned short inCX,
			 unsigned short inDI, unsigned short inSI,
			 unsigned short *outAX, unsigned short *outBX,
			 unsigned short *outCX, unsigned short *outDX,
			 unsigned short *outDI, unsigned short *outSI)
{ … }


int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings)
{ … }


int smapi_set_DSP_cfg(void)
{ … }


int smapi_set_DSP_power_state(bool bOn)
{ … }

#if 0
static int SmapiQuerySystemID(void)
{
	int bRC = -EIO;
	unsigned short usAX = 0xffff, usBX = 0xffff, usCX = 0xffff,
		usDX = 0xffff, usDI = 0xffff, usSI = 0xffff;

	printk("smapi::SmapiQUerySystemID entry\n");
	bRC = smapi_request(0x0000, 0, 0, 0,
		&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);

	if (bRC == 0) {
		printk("AX=%x, BX=%x, CX=%x, DX=%x, DI=%x, SI=%x\n",
			usAX, usBX, usCX, usDX, usDI, usSI);
	} else {
		printk("smapi::SmapiQuerySystemID smapi_request error\n");
	}

	return bRC;
}
#endif  /*  0  */

int smapi_init(void)
{ … }