573 lines
19 KiB
C
573 lines
19 KiB
C
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/*
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*
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* smapi.c -- SMAPI interface routines
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*
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*
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* Written By: Mike Sullivan IBM Corporation
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*
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* Copyright (C) 1999 IBM Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* NO WARRANTY
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* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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* solely responsible for determining the appropriateness of using and
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* distributing the Program and assumes all risks associated with its
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* exercise of rights under this Agreement, including but not limited to
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* the risks and costs of program errors, damage to or loss of data,
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* programs or equipment, and unavailability or interruption of operations.
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*
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* DISCLAIMER OF LIABILITY
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* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* 10/23/2000 - Alpha Release
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* First release to the public
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*/
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#include <linux/kernel.h>
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#include <linux/mc146818rtc.h> /* CMOS defines */
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#include "smapi.h"
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#include "mwavedd.h"
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static unsigned short g_usSmapiPort = 0;
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static int smapi_request(unsigned short inBX, unsigned short inCX,
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unsigned short inDI, unsigned short inSI,
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unsigned short *outAX, unsigned short *outBX,
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unsigned short *outCX, unsigned short *outDX,
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unsigned short *outDI, unsigned short *outSI)
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{
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unsigned short myoutAX = 2, *pmyoutAX = &myoutAX;
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unsigned short myoutBX = 3, *pmyoutBX = &myoutBX;
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unsigned short myoutCX = 4, *pmyoutCX = &myoutCX;
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unsigned short myoutDX = 5, *pmyoutDX = &myoutDX;
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unsigned short myoutDI = 6, *pmyoutDI = &myoutDI;
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unsigned short myoutSI = 7, *pmyoutSI = &myoutSI;
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unsigned short usSmapiOK = -EIO, *pusSmapiOK = &usSmapiOK;
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unsigned int inBXCX = (inBX << 16) | inCX;
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unsigned int inDISI = (inDI << 16) | inSI;
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int retval = 0;
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PRINTK_5(TRACE_SMAPI, "inBX %x inCX %x inDI %x inSI %x\n",
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inBX, inCX, inDI, inSI);
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__asm__ __volatile__("movw $0x5380,%%ax\n\t"
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"movl %7,%%ebx\n\t"
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"shrl $16, %%ebx\n\t"
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"movw %7,%%cx\n\t"
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"movl %8,%%edi\n\t"
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"shrl $16,%%edi\n\t"
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"movw %8,%%si\n\t"
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"movw %9,%%dx\n\t"
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"out %%al,%%dx\n\t"
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"out %%al,$0x4F\n\t"
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"cmpb $0x53,%%ah\n\t"
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"je 2f\n\t"
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"1:\n\t"
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"orb %%ah,%%ah\n\t"
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"jnz 2f\n\t"
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"movw %%ax,%0\n\t"
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"movw %%bx,%1\n\t"
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"movw %%cx,%2\n\t"
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"movw %%dx,%3\n\t"
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"movw %%di,%4\n\t"
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"movw %%si,%5\n\t"
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"movw $1,%6\n\t"
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"2:\n\t":"=m"(*(unsigned short *) pmyoutAX),
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"=m"(*(unsigned short *) pmyoutBX),
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"=m"(*(unsigned short *) pmyoutCX),
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"=m"(*(unsigned short *) pmyoutDX),
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"=m"(*(unsigned short *) pmyoutDI),
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"=m"(*(unsigned short *) pmyoutSI),
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"=m"(*(unsigned short *) pusSmapiOK)
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:"m"(inBXCX), "m"(inDISI), "m"(g_usSmapiPort)
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:"%eax", "%ebx", "%ecx", "%edx", "%edi",
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"%esi");
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PRINTK_8(TRACE_SMAPI,
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"myoutAX %x myoutBX %x myoutCX %x myoutDX %x myoutDI %x myoutSI %x usSmapiOK %x\n",
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myoutAX, myoutBX, myoutCX, myoutDX, myoutDI, myoutSI,
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usSmapiOK);
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*outAX = myoutAX;
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*outBX = myoutBX;
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*outCX = myoutCX;
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*outDX = myoutDX;
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*outDI = myoutDI;
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*outSI = myoutSI;
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retval = (usSmapiOK == 1) ? 0 : -EIO;
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PRINTK_2(TRACE_SMAPI, "smapi::smapi_request exit retval %x\n", retval);
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return retval;
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}
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int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings)
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{
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int bRC = -EIO;
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unsigned short usAX, usBX, usCX, usDX, usDI, usSI;
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static const unsigned short ausDspBases[] = {
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0x0030, 0x4E30, 0x8E30, 0xCE30,
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0x0130, 0x0350, 0x0070, 0x0DB0 };
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static const unsigned short ausUartBases[] = {
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0x03F8, 0x02F8, 0x03E8, 0x02E8 };
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PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg entry\n");
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bRC = smapi_request(0x1802, 0x0000, 0, 0,
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&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
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if (bRC) {
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Error: Could not get DSP Settings. Aborting.\n");
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return bRC;
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}
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PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg, smapi_request OK\n");
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pSettings->bDSPPresent = ((usBX & 0x0100) != 0);
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pSettings->bDSPEnabled = ((usCX & 0x0001) != 0);
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pSettings->usDspIRQ = usSI & 0x00FF;
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pSettings->usDspDMA = (usSI & 0xFF00) >> 8;
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if ((usDI & 0x00FF) < ARRAY_SIZE(ausDspBases)) {
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pSettings->usDspBaseIO = ausDspBases[usDI & 0x00FF];
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} else {
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pSettings->usDspBaseIO = 0;
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}
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PRINTK_6(TRACE_SMAPI,
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"smapi::smapi_query_DSP_cfg get DSP Settings bDSPPresent %x bDSPEnabled %x usDspIRQ %x usDspDMA %x usDspBaseIO %x\n",
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pSettings->bDSPPresent, pSettings->bDSPEnabled,
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pSettings->usDspIRQ, pSettings->usDspDMA,
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pSettings->usDspBaseIO);
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/* check for illegal values */
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if ( pSettings->usDspBaseIO == 0 )
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: DSP base I/O address is 0\n");
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if ( pSettings->usDspIRQ == 0 )
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: DSP IRQ line is 0\n");
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bRC = smapi_request(0x1804, 0x0000, 0, 0,
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&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
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if (bRC) {
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PRINTK_ERROR("smapi::smapi_query_DSP_cfg: Error: Could not get DSP modem settings. Aborting.\n");
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return bRC;
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}
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PRINTK_1(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg, smapi_request OK\n");
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pSettings->bModemEnabled = ((usCX & 0x0001) != 0);
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pSettings->usUartIRQ = usSI & 0x000F;
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if (((usSI & 0xFF00) >> 8) < ARRAY_SIZE(ausUartBases)) {
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pSettings->usUartBaseIO = ausUartBases[(usSI & 0xFF00) >> 8];
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} else {
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pSettings->usUartBaseIO = 0;
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}
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PRINTK_4(TRACE_SMAPI,
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"smapi::smapi_query_DSP_cfg get DSP modem settings bModemEnabled %x usUartIRQ %x usUartBaseIO %x\n",
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pSettings->bModemEnabled,
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pSettings->usUartIRQ,
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pSettings->usUartBaseIO);
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/* check for illegal values */
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if ( pSettings->usUartBaseIO == 0 )
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: UART base I/O address is 0\n");
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if ( pSettings->usUartIRQ == 0 )
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_query_DSP_cfg: Worry: UART IRQ line is 0\n");
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PRINTK_2(TRACE_SMAPI, "smapi::smapi_query_DSP_cfg exit bRC %x\n", bRC);
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return bRC;
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}
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int smapi_set_DSP_cfg(void)
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{
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int bRC = -EIO;
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int i;
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unsigned short usAX, usBX, usCX, usDX, usDI, usSI;
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static const unsigned short ausDspBases[] = {
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0x0030, 0x4E30, 0x8E30, 0xCE30,
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0x0130, 0x0350, 0x0070, 0x0DB0 };
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static const unsigned short ausUartBases[] = {
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0x03F8, 0x02F8, 0x03E8, 0x02E8 };
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static const unsigned short ausDspIrqs[] = {
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5, 7, 10, 11, 15 };
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static const unsigned short ausUartIrqs[] = {
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3, 4 };
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unsigned short dspio_index = 0, uartio_index = 0;
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PRINTK_5(TRACE_SMAPI,
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"smapi::smapi_set_DSP_cfg entry mwave_3780i_irq %x mwave_3780i_io %x mwave_uart_irq %x mwave_uart_io %x\n",
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mwave_3780i_irq, mwave_3780i_io, mwave_uart_irq, mwave_uart_io);
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if (mwave_3780i_io) {
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for (i = 0; i < ARRAY_SIZE(ausDspBases); i++) {
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if (mwave_3780i_io == ausDspBases[i])
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break;
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}
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if (i == ARRAY_SIZE(ausDspBases)) {
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_3780i_io address %x. Aborting.\n", mwave_3780i_io);
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return bRC;
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}
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dspio_index = i;
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}
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if (mwave_3780i_irq) {
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for (i = 0; i < ARRAY_SIZE(ausDspIrqs); i++) {
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if (mwave_3780i_irq == ausDspIrqs[i])
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break;
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}
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if (i == ARRAY_SIZE(ausDspIrqs)) {
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_3780i_irq %x. Aborting.\n", mwave_3780i_irq);
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return bRC;
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}
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}
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if (mwave_uart_io) {
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for (i = 0; i < ARRAY_SIZE(ausUartBases); i++) {
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if (mwave_uart_io == ausUartBases[i])
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break;
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}
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if (i == ARRAY_SIZE(ausUartBases)) {
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_uart_io address %x. Aborting.\n", mwave_uart_io);
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return bRC;
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}
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uartio_index = i;
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}
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if (mwave_uart_irq) {
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for (i = 0; i < ARRAY_SIZE(ausUartIrqs); i++) {
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if (mwave_uart_irq == ausUartIrqs[i])
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break;
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}
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if (i == ARRAY_SIZE(ausUartIrqs)) {
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PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg: Error: Invalid mwave_uart_irq %x. Aborting.\n", mwave_uart_irq);
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return bRC;
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}
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}
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if (mwave_uart_irq || mwave_uart_io) {
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/* Check serial port A */
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bRC = smapi_request(0x1402, 0x0000, 0, 0,
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&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
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if (bRC) goto exit_smapi_request_error;
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/* bRC == 0 */
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if (usBX & 0x0100) { /* serial port A is present */
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if (usCX & 1) { /* serial port is enabled */
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if ((usSI & 0xFF) == mwave_uart_irq) {
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#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
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PRINTK_ERROR(KERN_ERR_MWAVE
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"smapi::smapi_set_DSP_cfg: Serial port A irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
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#else
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PRINTK_3(TRACE_SMAPI,
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"smapi::smapi_set_DSP_cfg: Serial port A irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
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#endif
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#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
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PRINTK_1(TRACE_SMAPI,
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"smapi::smapi_set_DSP_cfg Disabling conflicting serial port\n");
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bRC = smapi_request(0x1403, 0x0100, 0, usSI,
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&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
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if (bRC) goto exit_smapi_request_error;
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bRC = smapi_request(0x1402, 0x0000, 0, 0,
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&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
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if (bRC) goto exit_smapi_request_error;
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#else
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goto exit_conflict;
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#endif
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} else {
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if ((usSI >> 8) == uartio_index) {
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#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
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PRINTK_ERROR(KERN_ERR_MWAVE
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"smapi::smapi_set_DSP_cfg: Serial port A base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
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#else
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PRINTK_3(TRACE_SMAPI,
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|
|
"smapi::smapi_set_DSP_cfg: Serial port A base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
|
||
|
|
#endif
|
||
|
|
#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_1(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg Disabling conflicting serial port A\n");
|
||
|
|
bRC = smapi_request (0x1403, 0x0100, 0, usSI,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request (0x1402, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
#else
|
||
|
|
goto exit_conflict;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check serial port B */
|
||
|
|
bRC = smapi_request(0x1404, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
/* bRC == 0 */
|
||
|
|
if (usBX & 0x0100) { /* serial port B is present */
|
||
|
|
if (usCX & 1) { /* serial port is enabled */
|
||
|
|
if ((usSI & 0xFF) == mwave_uart_irq) {
|
||
|
|
#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_ERROR(KERN_ERR_MWAVE
|
||
|
|
"smapi::smapi_set_DSP_cfg: Serial port B irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
|
||
|
|
#else
|
||
|
|
PRINTK_3(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg: Serial port B irq %x conflicts with mwave_uart_irq %x\n", usSI & 0xFF, mwave_uart_irq);
|
||
|
|
#endif
|
||
|
|
#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_1(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg Disabling conflicting serial port B\n");
|
||
|
|
bRC = smapi_request(0x1405, 0x0100, 0, usSI,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1404, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
#else
|
||
|
|
goto exit_conflict;
|
||
|
|
#endif
|
||
|
|
} else {
|
||
|
|
if ((usSI >> 8) == uartio_index) {
|
||
|
|
#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_ERROR(KERN_ERR_MWAVE
|
||
|
|
"smapi::smapi_set_DSP_cfg: Serial port B base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
|
||
|
|
#else
|
||
|
|
PRINTK_3(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg: Serial port B base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI >> 8], ausUartBases[uartio_index]);
|
||
|
|
#endif
|
||
|
|
#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_1 (TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg Disabling conflicting serial port B\n");
|
||
|
|
bRC = smapi_request (0x1405, 0x0100, 0, usSI,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request (0x1404, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
#else
|
||
|
|
goto exit_conflict;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Check IR port */
|
||
|
|
bRC = smapi_request(0x1700, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1704, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
/* bRC == 0 */
|
||
|
|
if ((usCX & 0xff) != 0xff) { /* IR port not disabled */
|
||
|
|
if ((usCX & 0xff) == mwave_uart_irq) {
|
||
|
|
#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_ERROR(KERN_ERR_MWAVE
|
||
|
|
"smapi::smapi_set_DSP_cfg: IR port irq %x conflicts with mwave_uart_irq %x\n", usCX & 0xff, mwave_uart_irq);
|
||
|
|
#else
|
||
|
|
PRINTK_3(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg: IR port irq %x conflicts with mwave_uart_irq %x\n", usCX & 0xff, mwave_uart_irq);
|
||
|
|
#endif
|
||
|
|
#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_1(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg Disabling conflicting IR port\n");
|
||
|
|
bRC = smapi_request(0x1701, 0x0100, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1700, 0, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1705, 0x01ff, 0, usSI,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1704, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
#else
|
||
|
|
goto exit_conflict;
|
||
|
|
#endif
|
||
|
|
} else {
|
||
|
|
if ((usSI & 0xff) == uartio_index) {
|
||
|
|
#ifndef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_ERROR(KERN_ERR_MWAVE
|
||
|
|
"smapi::smapi_set_DSP_cfg: IR port base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI & 0xff], ausUartBases[uartio_index]);
|
||
|
|
#else
|
||
|
|
PRINTK_3(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg: IR port base I/O address %x conflicts with mwave uart I/O %x\n", ausUartBases[usSI & 0xff], ausUartBases[uartio_index]);
|
||
|
|
#endif
|
||
|
|
#ifdef MWAVE_FUTZ_WITH_OTHER_DEVICES
|
||
|
|
PRINTK_1(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_set_DSP_cfg Disabling conflicting IR port\n");
|
||
|
|
bRC = smapi_request(0x1701, 0x0100, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1700, 0, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1705, 0x01ff, 0, usSI,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
bRC = smapi_request(0x1704, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
#else
|
||
|
|
goto exit_conflict;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bRC = smapi_request(0x1802, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
|
||
|
|
if (mwave_3780i_io) {
|
||
|
|
usDI = dspio_index;
|
||
|
|
}
|
||
|
|
if (mwave_3780i_irq) {
|
||
|
|
usSI = (usSI & 0xff00) | mwave_3780i_irq;
|
||
|
|
}
|
||
|
|
|
||
|
|
bRC = smapi_request(0x1803, 0x0101, usDI, usSI,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
|
||
|
|
bRC = smapi_request(0x1804, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
|
||
|
|
if (mwave_uart_io) {
|
||
|
|
usSI = (usSI & 0x00ff) | (uartio_index << 8);
|
||
|
|
}
|
||
|
|
if (mwave_uart_irq) {
|
||
|
|
usSI = (usSI & 0xff00) | mwave_uart_irq;
|
||
|
|
}
|
||
|
|
bRC = smapi_request(0x1805, 0x0101, 0, usSI,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
|
||
|
|
bRC = smapi_request(0x1802, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
|
||
|
|
bRC = smapi_request(0x1804, 0x0000, 0, 0,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
if (bRC) goto exit_smapi_request_error;
|
||
|
|
|
||
|
|
/* normal exit: */
|
||
|
|
PRINTK_1(TRACE_SMAPI, "smapi::smapi_set_DSP_cfg exit\n");
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
exit_conflict:
|
||
|
|
/* Message has already been printed */
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
exit_smapi_request_error:
|
||
|
|
PRINTK_ERROR(KERN_ERR_MWAVE "smapi::smapi_set_DSP_cfg exit on smapi_request error bRC %x\n", bRC);
|
||
|
|
return bRC;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int smapi_set_DSP_power_state(bool bOn)
|
||
|
|
{
|
||
|
|
int bRC = -EIO;
|
||
|
|
unsigned short usAX, usBX, usCX, usDX, usDI, usSI;
|
||
|
|
unsigned short usPowerFunction;
|
||
|
|
|
||
|
|
PRINTK_2(TRACE_SMAPI, "smapi::smapi_set_DSP_power_state entry bOn %x\n", bOn);
|
||
|
|
|
||
|
|
usPowerFunction = (bOn) ? 1 : 0;
|
||
|
|
|
||
|
|
bRC = smapi_request(0x4901, 0x0000, 0, usPowerFunction,
|
||
|
|
&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
|
||
|
|
|
||
|
|
PRINTK_2(TRACE_SMAPI, "smapi::smapi_set_DSP_power_state exit bRC %x\n", bRC);
|
||
|
|
|
||
|
|
return bRC;
|
||
|
|
}
|
||
|
|
|
||
|
|
#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)
|
||
|
|
{
|
||
|
|
int retval = -EIO;
|
||
|
|
unsigned short usSmapiID = 0;
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
PRINTK_1(TRACE_SMAPI, "smapi::smapi_init entry\n");
|
||
|
|
|
||
|
|
spin_lock_irqsave(&rtc_lock, flags);
|
||
|
|
usSmapiID = CMOS_READ(0x7C);
|
||
|
|
usSmapiID |= (CMOS_READ(0x7D) << 8);
|
||
|
|
spin_unlock_irqrestore(&rtc_lock, flags);
|
||
|
|
PRINTK_2(TRACE_SMAPI, "smapi::smapi_init usSmapiID %x\n", usSmapiID);
|
||
|
|
|
||
|
|
if (usSmapiID == 0x5349) {
|
||
|
|
spin_lock_irqsave(&rtc_lock, flags);
|
||
|
|
g_usSmapiPort = CMOS_READ(0x7E);
|
||
|
|
g_usSmapiPort |= (CMOS_READ(0x7F) << 8);
|
||
|
|
spin_unlock_irqrestore(&rtc_lock, flags);
|
||
|
|
if (g_usSmapiPort == 0) {
|
||
|
|
PRINTK_ERROR("smapi::smapi_init, ERROR unable to read from SMAPI port\n");
|
||
|
|
} else {
|
||
|
|
PRINTK_2(TRACE_SMAPI,
|
||
|
|
"smapi::smapi_init, exit true g_usSmapiPort %x\n",
|
||
|
|
g_usSmapiPort);
|
||
|
|
retval = 0;
|
||
|
|
//SmapiQuerySystemID();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
PRINTK_ERROR("smapi::smapi_init, ERROR invalid usSmapiID\n");
|
||
|
|
retval = -ENXIO;
|
||
|
|
}
|
||
|
|
|
||
|
|
return retval;
|
||
|
|
}
|