575 строки
18 KiB
C
575 строки
18 KiB
C
/*
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*
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* tp3780i.c -- board driver for 3780i on ThinkPads
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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/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/ptrace.h>
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#include <linux/ioport.h>
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#include <asm/io.h>
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#include "smapi.h"
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#include "mwavedd.h"
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#include "tp3780i.h"
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#include "3780i.h"
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#include "mwavepub.h"
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static unsigned short s_ausThinkpadIrqToField[16] =
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{ 0xFFFF, 0xFFFF, 0xFFFF, 0x0001, 0x0002, 0x0003, 0xFFFF, 0x0004,
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0xFFFF, 0xFFFF, 0x0005, 0x0006, 0xFFFF, 0xFFFF, 0xFFFF, 0x0007 };
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static unsigned short s_ausThinkpadDmaToField[8] =
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{ 0x0001, 0x0002, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0003, 0x0004 };
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static unsigned short s_numIrqs = 16, s_numDmas = 8;
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static void EnableSRAM(THINKPAD_BD_DATA * pBDData)
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{
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
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unsigned short usDspBaseIO = pSettings->usDspBaseIO;
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DSP_GPIO_OUTPUT_DATA_15_8 rGpioOutputData;
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DSP_GPIO_DRIVER_ENABLE_15_8 rGpioDriverEnable;
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DSP_GPIO_MODE_15_8 rGpioMode;
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PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n");
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MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8);
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rGpioMode.GpioMode10 = 0;
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WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode));
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MKWORD(rGpioDriverEnable) = 0;
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rGpioDriverEnable.Enable10 = true;
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rGpioDriverEnable.Mask10 = true;
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WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable));
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MKWORD(rGpioOutputData) = 0;
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rGpioOutputData.Latch10 = 0;
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rGpioOutputData.Mask10 = true;
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WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData));
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PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n");
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}
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static irqreturn_t UartInterrupt(int irq, void *dev_id)
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{
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PRINTK_3(TRACE_TP3780I,
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"tp3780i::UartInterrupt entry irq %x dev_id %p\n", irq, dev_id);
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return IRQ_HANDLED;
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}
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static irqreturn_t DspInterrupt(int irq, void *dev_id)
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{
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pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
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unsigned short usDspBaseIO = pSettings->usDspBaseIO;
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unsigned short usIPCSource = 0, usIsolationMask, usPCNum;
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PRINTK_3(TRACE_TP3780I,
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"tp3780i::DspInterrupt entry irq %x dev_id %p\n", irq, dev_id);
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if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
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usIPCSource);
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usIsolationMask = 1;
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for (usPCNum = 1; usPCNum <= 16; usPCNum++) {
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if (usIPCSource & usIsolationMask) {
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usIPCSource &= ~usIsolationMask;
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PRINTK_3(TRACE_TP3780I,
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"tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",
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usPCNum, usIPCSource);
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if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {
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pDrvData->IPCs[usPCNum - 1].usIntCount = 1;
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}
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::DspInterrupt usIntCount %x\n",
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pDrvData->IPCs[usPCNum - 1].usIntCount);
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if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == true) {
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::DspInterrupt, waking up usPCNum %x\n",
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usPCNum - 1);
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wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
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} else {
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::DspInterrupt, no one waiting for IPC %x\n",
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usPCNum - 1);
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}
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}
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if (usIPCSource == 0)
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break;
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/* try next IPC */
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usIsolationMask = usIsolationMask << 1;
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}
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} else {
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PRINTK_1(TRACE_TP3780I,
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"tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
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}
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PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
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return IRQ_HANDLED;
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}
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int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
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{
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int retval = 0;
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
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PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);
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pBDData->bDSPEnabled = false;
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pSettings->bInterruptClaimed = false;
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retval = smapi_init();
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if (retval) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
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} else {
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if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {
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retval = smapi_set_DSP_cfg();
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}
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}
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PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);
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return retval;
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}
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void tp3780I_Cleanup(THINKPAD_BD_DATA *pBDData)
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{
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
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}
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int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
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{
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SMAPI_DSP_SETTINGS rSmapiInfo;
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);
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if (smapi_query_DSP_cfg(&rSmapiInfo)) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
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return -EIO;
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}
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/* Sanity check */
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if (
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( rSmapiInfo.usDspIRQ == 0 )
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|| ( rSmapiInfo.usDspBaseIO == 0 )
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|| ( rSmapiInfo.usUartIRQ == 0 )
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|| ( rSmapiInfo.usUartBaseIO == 0 )
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) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
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return -EIO;
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}
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pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
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pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
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pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
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pSettings->usDspDma = rSmapiInfo.usDspDMA;
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pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
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pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
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pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;
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pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
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pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
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pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;
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if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
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pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
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} else {
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pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
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}
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PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");
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return 0;
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}
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int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
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{
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int retval = 0;
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
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struct resource *pres;
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
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pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
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if ( pres == NULL ) retval = -EIO;
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if (retval) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
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retval = -EIO;
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}
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PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
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return retval;
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}
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int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
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{
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int retval = 0;
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
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release_region(pSettings->usDspBaseIO & (~3), 16);
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if (pSettings->bInterruptClaimed) {
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free_irq(pSettings->usDspIrq, NULL);
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pSettings->bInterruptClaimed = false;
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}
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PRINTK_2(TRACE_TP3780I,
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"tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
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return retval;
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}
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int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
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{
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
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bool bDSPPoweredUp = false, bInterruptAllocated = false;
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PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
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if (pBDData->bDSPEnabled) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
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goto exit_cleanup;
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}
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if (!pSettings->bDSPEnabled) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
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goto exit_cleanup;
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}
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if (
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(pSettings->usDspIrq >= s_numIrqs)
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|| (pSettings->usDspDma >= s_numDmas)
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|| (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
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|| (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
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) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
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goto exit_cleanup;
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}
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if (
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((pSettings->usDspBaseIO & 0xF00F) != 0)
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|| (pSettings->usDspBaseIO & 0x0FF0) == 0
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) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
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goto exit_cleanup;
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}
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if (pSettings->bModemEnabled) {
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if (
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pSettings->usUartIrq >= s_numIrqs
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|| s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
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) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
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goto exit_cleanup;
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}
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switch (pSettings->usUartBaseIO) {
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case 0x03F8:
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case 0x02F8:
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case 0x03E8:
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case 0x02E8:
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break;
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default:
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PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
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goto exit_cleanup;
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}
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}
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pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = true;
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pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = true;
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if (pBDData->bShareDspIrq) {
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pSettings->bDspIrqActiveLow = false;
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}
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if (pBDData->bShareUartIrq) {
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pSettings->bUartIrqActiveLow = false;
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}
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pSettings->usNumTransfers = TP_CFG_NumTransfers;
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pSettings->usReRequest = TP_CFG_RerequestTimer;
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pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
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pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
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pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
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pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
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pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
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pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
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pSettings->usN_Divisor = TP_CFG_N_Divisor;
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pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
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pSettings->bPllBypass = TP_CFG_PllBypass;
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pSettings->usChipletEnable = TP_CFG_ChipletEnable;
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if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
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goto exit_cleanup;
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} else { /* no conflict just release */
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free_irq(pSettings->usUartIrq, NULL);
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}
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if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
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PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
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goto exit_cleanup;
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} else {
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PRINTK_3(TRACE_TP3780I,
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"tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
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pSettings->usDspIrq, pBDData->bShareDspIrq);
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bInterruptAllocated = true;
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pSettings->bInterruptClaimed = true;
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}
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smapi_set_DSP_power_state(false);
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if (smapi_set_DSP_power_state(true)) {
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PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(true) failed\n");
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goto exit_cleanup;
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} else {
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bDSPPoweredUp = true;
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}
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if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
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PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
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goto exit_cleanup;
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}
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EnableSRAM(pBDData);
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pBDData->bDSPEnabled = true;
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PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
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return 0;
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exit_cleanup:
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PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
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if (bDSPPoweredUp)
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smapi_set_DSP_power_state(false);
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if (bInterruptAllocated) {
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free_irq(pSettings->usDspIrq, NULL);
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pSettings->bInterruptClaimed = false;
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}
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return -EIO;
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}
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int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
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{
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int retval = 0;
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DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
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PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
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if (pBDData->bDSPEnabled) {
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dsp3780I_DisableDSP(&pBDData->rDspSettings);
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if (pSettings->bInterruptClaimed) {
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free_irq(pSettings->usDspIrq, NULL);
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pSettings->bInterruptClaimed = false;
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}
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smapi_set_DSP_power_state(false);
|
|
pBDData->bDSPEnabled = false;
|
|
}
|
|
|
|
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)
|
|
{
|
|
int retval = 0;
|
|
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
|
|
|
|
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",
|
|
pBDData);
|
|
|
|
if (dsp3780I_Reset(pSettings) == 0) {
|
|
EnableSRAM(pBDData);
|
|
} else {
|
|
retval = -EIO;
|
|
}
|
|
|
|
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
|
|
{
|
|
int retval = 0;
|
|
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
|
|
|
|
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
|
|
|
|
if (dsp3780I_Run(pSettings) == 0) {
|
|
// @BUG @TBD EnableSRAM(pBDData);
|
|
} else {
|
|
retval = -EIO;
|
|
}
|
|
|
|
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
|
|
{
|
|
PRINTK_2(TRACE_TP3780I,
|
|
"tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
|
|
|
|
memset(pAbilities, 0, sizeof(*pAbilities));
|
|
/* fill out standard constant fields */
|
|
pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
|
|
pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
|
|
pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
|
|
pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
|
|
|
|
/* fill out dynamically determined fields */
|
|
pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
|
|
pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
|
|
pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
|
|
pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
|
|
pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
|
|
pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
|
|
pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
|
|
pAbilities->component_count = 7;
|
|
|
|
/* Fill out Mwave OS and BIOS task names */
|
|
|
|
memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
|
|
sizeof(TP_ABILITIES_MWAVEOS_NAME));
|
|
memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
|
|
sizeof(TP_ABILITIES_BIOSTASK_NAME));
|
|
|
|
PRINTK_1(TRACE_TP3780I,
|
|
"tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
|
|
void __user *pvBuffer, unsigned int uCount,
|
|
unsigned long ulDSPAddr)
|
|
{
|
|
int retval = 0;
|
|
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
|
|
unsigned short usDspBaseIO = pSettings->usDspBaseIO;
|
|
bool bRC = 0;
|
|
|
|
PRINTK_6(TRACE_TP3780I,
|
|
"tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
|
|
pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
|
|
|
|
if (pBDData->bDSPEnabled) {
|
|
switch (uOpcode) {
|
|
case IOCTL_MW_READ_DATA:
|
|
bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
|
|
break;
|
|
|
|
case IOCTL_MW_READCLEAR_DATA:
|
|
bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
|
|
break;
|
|
|
|
case IOCTL_MW_WRITE_DATA:
|
|
bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
|
|
break;
|
|
}
|
|
}
|
|
|
|
retval = (bRC) ? -EIO : 0;
|
|
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
|
|
void __user *pvBuffer, unsigned int uCount,
|
|
unsigned long ulDSPAddr)
|
|
{
|
|
int retval = 0;
|
|
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
|
|
unsigned short usDspBaseIO = pSettings->usDspBaseIO;
|
|
bool bRC = 0;
|
|
|
|
PRINTK_6(TRACE_TP3780I,
|
|
"tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
|
|
pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
|
|
|
|
if (pBDData->bDSPEnabled) {
|
|
switch (uOpcode) {
|
|
case IOCTL_MW_READ_INST:
|
|
bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
|
|
break;
|
|
|
|
case IOCTL_MW_WRITE_INST:
|
|
bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
|
|
break;
|
|
}
|
|
}
|
|
|
|
retval = (bRC) ? -EIO : 0;
|
|
|
|
PRINTK_2(TRACE_TP3780I,
|
|
"tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
|
|
|
|
return retval;
|
|
}
|
|
|