drivers/char/mwave/tp3780i.c - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
 *
 * tp3780i.c -- board driver for 3780i on ThinkPads
 *
 *
 * 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/version.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/ptrace.h>
 #include <linux/ioport.h>
 #include <asm/io.h>
 #include "smapi.h"
 #include "mwavedd.h"
 #include "tp3780i.h"
 #include "3780i.h"
 #include "mwavepub.h"

 extern MWAVE_DEVICE_DATA mwave_s_mdd;

 static unsigned short s_ausThinkpadIrqToField[16] =
 	{ 0xFFFF, 0xFFFF, 0xFFFF, 0x0001, 0x0002, 0x0003, 0xFFFF, 0x0004,
 	0xFFFF, 0xFFFF, 0x0005, 0x0006, 0xFFFF, 0xFFFF, 0xFFFF, 0x0007 };
 static unsigned short s_ausThinkpadDmaToField[8] =
 	{ 0x0001, 0x0002, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0003, 0x0004 };
 static unsigned short s_numIrqs = 16, s_numDmas = 8;


 static void EnableSRAM(THINKPAD_BD_DATA * pBDData)
 {
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 	unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 	DSP_GPIO_OUTPUT_DATA_15_8 rGpioOutputData;
 	DSP_GPIO_DRIVER_ENABLE_15_8 rGpioDriverEnable;
 	DSP_GPIO_MODE_15_8 rGpioMode;

 	PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n");

 	MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8);
 	rGpioMode.GpioMode10 = 0;
 	WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode));

 	MKWORD(rGpioDriverEnable) = 0;
 	rGpioDriverEnable.Enable10 = TRUE;
 	rGpioDriverEnable.Mask10 = TRUE;
 	WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable));

 	MKWORD(rGpioOutputData) = 0;
 	rGpioOutputData.Latch10 = 0;
 	rGpioOutputData.Mask10 = TRUE;
 	WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData));

 	PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n");
 }


 static irqreturn_t UartInterrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	PRINTK_3(TRACE_TP3780I,
 		"tp3780i::UartInterrupt entry irq %x dev_id %p\n", irq, dev_id);
 	return IRQ_HANDLED;
 }

 static irqreturn_t DspInterrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
 	unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 	unsigned short usIPCSource = 0, usIsolationMask, usPCNum;

 	PRINTK_3(TRACE_TP3780I,
 		"tp3780i::DspInterrupt entry irq %x dev_id %p\n", irq, dev_id);

 	if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
 		PRINTK_2(TRACE_TP3780I,
 			"tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
 			usIPCSource);
 		usIsolationMask = 1;
 		for (usPCNum = 1; usPCNum <= 16; usPCNum++) {
 			if (usIPCSource & usIsolationMask) {
 				usIPCSource &= ~usIsolationMask;
 				PRINTK_3(TRACE_TP3780I,
 					"tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",
 					usPCNum, usIPCSource);
 				if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {
 					pDrvData->IPCs[usPCNum - 1].usIntCount = 1;
 				}
 				PRINTK_2(TRACE_TP3780I,
 					"tp3780i::DspInterrupt usIntCount %x\n",
 					pDrvData->IPCs[usPCNum - 1].usIntCount);
 				if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == TRUE) {
 					PRINTK_2(TRACE_TP3780I,
 						"tp3780i::DspInterrupt, waking up usPCNum %x\n",
 						usPCNum - 1);
 					wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
 				} else {
 					PRINTK_2(TRACE_TP3780I,
 						"tp3780i::DspInterrupt, no one waiting for IPC %x\n",
 						usPCNum - 1);
 				}
 			}
 			if (usIPCSource == 0)
 				break;
 			/* try next IPC */
 			usIsolationMask = usIsolationMask << 1;
 		}
 	} else {
 		PRINTK_1(TRACE_TP3780I,
 			"tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
 	}
 	PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
 	return IRQ_HANDLED;
 }


 int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
 {
 	int retval = 0;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;


 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);

 	pBDData->bDSPEnabled = FALSE;
 	pSettings->bInterruptClaimed = FALSE;

 	retval = smapi_init();
 	if (retval) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
 	} else {
 		if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {
 			retval = smapi_set_DSP_cfg();
 		}
 	}

 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);

 	return retval;
 }

 int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
 {
 	int retval = 0;

 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);

 	return retval;
 }

 int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
 {
 	SMAPI_DSP_SETTINGS rSmapiInfo;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;

 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);

 	if (smapi_query_DSP_cfg(&rSmapiInfo)) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
 		return -EIO;
 	}

 	/* Sanity check */
 	if (
 		( rSmapiInfo.usDspIRQ == 0 )
 		|| ( rSmapiInfo.usDspBaseIO ==  0 )
 		|| ( rSmapiInfo.usUartIRQ ==  0 )
 		|| ( rSmapiInfo.usUartBaseIO ==  0 )
 	) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
 		return -EIO;
 	}

 	pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
 	pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
 	pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
 	pSettings->usDspDma = rSmapiInfo.usDspDMA;
 	pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
 	pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
 	pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;

 	pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
 	pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
 	pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;

 	if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
 		pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
 	} else {
 		pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
 	}

 	PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");

 	return 0;
 }


 int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
 {
 	int retval = 0;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
 	struct resource *pres;
 #endif

 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);

 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
 	pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 	if ( pres == NULL ) retval = -EIO;
 #else
 	retval = check_region(pSettings->usDspBaseIO, 16);
 	if (!retval) request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 #endif
 	if (retval) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
 		retval = -EIO;
 	}

 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);

 	return retval;
 }

 int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
 {
 	int retval = 0;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;

 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);

 	release_region(pSettings->usDspBaseIO & (~3), 16);

 	if (pSettings->bInterruptClaimed) {
 		free_irq(pSettings->usDspIrq, NULL);
 		pSettings->bInterruptClaimed = FALSE;
 	}

 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);

 	return retval;
 }


 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 {
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 	BOOLEAN bDSPPoweredUp = FALSE, bDSPEnabled = FALSE, bInterruptAllocated = FALSE;

 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);

 	if (pBDData->bDSPEnabled) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
 		goto exit_cleanup;
 	}

 	if (!pSettings->bDSPEnabled) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
 		goto exit_cleanup;
 	}

 	if (
 		(pSettings->usDspIrq >= s_numIrqs)
 		|| (pSettings->usDspDma >= s_numDmas)
 		|| (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
 		|| (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
 	) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
 		goto exit_cleanup;
 	}

 	if (
 		((pSettings->usDspBaseIO & 0xF00F) != 0)
 		|| (pSettings->usDspBaseIO & 0x0FF0) == 0
 	) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
 		goto exit_cleanup;
 	}

 	if (pSettings->bModemEnabled) {
 		if (
 			pSettings->usUartIrq >= s_numIrqs
 			|| s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
 		) {
 			PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
 			goto exit_cleanup;
 		}
 		switch (pSettings->usUartBaseIO) {
 			case 0x03F8:
 			case 0x02F8:
 			case 0x03E8:
 			case 0x02E8:
 				break;

 			default:
 				PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
 				goto exit_cleanup;
 		}
 	}

 	pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
 	pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;

 	if (pBDData->bShareDspIrq) {
 		pSettings->bDspIrqActiveLow = FALSE;
 	}
 	if (pBDData->bShareUartIrq) {
 		pSettings->bUartIrqActiveLow = FALSE;
 	}

 	pSettings->usNumTransfers = TP_CFG_NumTransfers;
 	pSettings->usReRequest = TP_CFG_RerequestTimer;
 	pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
 	pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
 	pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
 	pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
 	pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
 	pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
 	pSettings->usN_Divisor = TP_CFG_N_Divisor;
 	pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
 	pSettings->bPllBypass = TP_CFG_PllBypass;
 	pSettings->usChipletEnable = TP_CFG_ChipletEnable;

 	if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
 		goto exit_cleanup;
 	} else {		/* no conflict just release */
 		free_irq(pSettings->usUartIrq, NULL);
 	}

 	if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
 		PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
 		goto exit_cleanup;
 	} else {
 		PRINTK_3(TRACE_TP3780I,
 			"tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
 			pSettings->usDspIrq, pBDData->bShareDspIrq);
 		bInterruptAllocated = TRUE;
 		pSettings->bInterruptClaimed = TRUE;
 	}

 	smapi_set_DSP_power_state(FALSE);
 	if (smapi_set_DSP_power_state(TRUE)) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n");
 		goto exit_cleanup;
 	} else {
 		bDSPPoweredUp = TRUE;
 	}

 	if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
 		PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
 		goto exit_cleanup;
 	} else {
 		bDSPEnabled = TRUE;
 	}

 	EnableSRAM(pBDData);

 	pBDData->bDSPEnabled = TRUE;

 	PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");

 	return 0;

 exit_cleanup:
 	PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
 	if (bDSPEnabled)
 		dsp3780I_DisableDSP(pSettings);
 	if (bDSPPoweredUp)
 		smapi_set_DSP_power_state(FALSE);
 	if (bInterruptAllocated) {
 		free_irq(pSettings->usDspIrq, NULL);
 		pSettings->bInterruptClaimed = FALSE;
 	}
 	return -EIO;
 }


 int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
 {
 	int retval = 0;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;

 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);

 	if (pBDData->bDSPEnabled) {
 		dsp3780I_DisableDSP(&pBDData->rDspSettings);
 		if (pSettings->bInterruptClaimed) {
 			free_irq(pSettings->usDspIrq, NULL);
 			pSettings->bInterruptClaimed = FALSE;
 		}
 		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)
 {
 	int retval = 0;

 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);

 	/* 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 retval;
 }

 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;
 	BOOLEAN 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;
 	BOOLEAN 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;
 }
	/*
	*
	* tp3780i.c -- board driver for 3780i on ThinkPads
	*
	*
	* 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/version.h>
	#include <linux/interrupt.h>
	#include <linux/kernel.h>
	#include <linux/ptrace.h>
	#include <linux/ioport.h>
	#include <asm/io.h>
	#include "smapi.h"
	#include "mwavedd.h"
	#include "tp3780i.h"
	#include "3780i.h"
	#include "mwavepub.h"

	extern MWAVE_DEVICE_DATA mwave_s_mdd;

	static unsigned short s_ausThinkpadIrqToField[16] =
	{ 0xFFFF, 0xFFFF, 0xFFFF, 0x0001, 0x0002, 0x0003, 0xFFFF, 0x0004,
	0xFFFF, 0xFFFF, 0x0005, 0x0006, 0xFFFF, 0xFFFF, 0xFFFF, 0x0007 };
	static unsigned short s_ausThinkpadDmaToField[8] =
	{ 0x0001, 0x0002, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0003, 0x0004 };
	static unsigned short s_numIrqs = 16, s_numDmas = 8;


	static void EnableSRAM(THINKPAD_BD_DATA * pBDData)
	{
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
	unsigned short usDspBaseIO = pSettings->usDspBaseIO;
	DSP_GPIO_OUTPUT_DATA_15_8 rGpioOutputData;
	DSP_GPIO_DRIVER_ENABLE_15_8 rGpioDriverEnable;
	DSP_GPIO_MODE_15_8 rGpioMode;

	PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n");

	MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8);
	rGpioMode.GpioMode10 = 0;
	WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode));

	MKWORD(rGpioDriverEnable) = 0;
	rGpioDriverEnable.Enable10 = TRUE;
	rGpioDriverEnable.Mask10 = TRUE;
	WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable));

	MKWORD(rGpioOutputData) = 0;
	rGpioOutputData.Latch10 = 0;
	rGpioOutputData.Mask10 = TRUE;
	WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData));

	PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n");
	}


	static irqreturn_t UartInterrupt(int irq, void dev_id, struct pt_regs regs)
	{
	PRINTK_3(TRACE_TP3780I,
	"tp3780i::UartInterrupt entry irq %x dev_id %p\n", irq, dev_id);
	return IRQ_HANDLED;
	}

	static irqreturn_t DspInterrupt(int irq, void dev_id, struct pt_regs regs)
	{
	pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
	unsigned short usDspBaseIO = pSettings->usDspBaseIO;
	unsigned short usIPCSource = 0, usIsolationMask, usPCNum;

	PRINTK_3(TRACE_TP3780I,
	"tp3780i::DspInterrupt entry irq %x dev_id %p\n", irq, dev_id);

	if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
	PRINTK_2(TRACE_TP3780I,
	"tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
	usIPCSource);
	usIsolationMask = 1;
	for (usPCNum = 1; usPCNum <= 16; usPCNum++) {
	if (usIPCSource & usIsolationMask) {
	usIPCSource &= ~usIsolationMask;
	PRINTK_3(TRACE_TP3780I,
	"tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",
	usPCNum, usIPCSource);
	if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {
	pDrvData->IPCs[usPCNum - 1].usIntCount = 1;
	}
	PRINTK_2(TRACE_TP3780I,
	"tp3780i::DspInterrupt usIntCount %x\n",
	pDrvData->IPCs[usPCNum - 1].usIntCount);
	if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == TRUE) {
	PRINTK_2(TRACE_TP3780I,
	"tp3780i::DspInterrupt, waking up usPCNum %x\n",
	usPCNum - 1);
	wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
	} else {
	PRINTK_2(TRACE_TP3780I,
	"tp3780i::DspInterrupt, no one waiting for IPC %x\n",
	usPCNum - 1);
	}
	}
	if (usIPCSource == 0)
	break;
	/* try next IPC */
	usIsolationMask = usIsolationMask << 1;
	}
	} else {
	PRINTK_1(TRACE_TP3780I,
	"tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
	}
	PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
	return IRQ_HANDLED;
	}


	int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
	{
	int retval = 0;
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;


	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);

	pBDData->bDSPEnabled = FALSE;
	pSettings->bInterruptClaimed = FALSE;

	retval = smapi_init();
	if (retval) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
	} else {
	if (mwave_3780i_irq \|\| mwave_3780i_io \|\| mwave_uart_irq \|\| mwave_uart_io) {
	retval = smapi_set_DSP_cfg();
	}
	}

	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);

	return retval;
	}

	int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
	{
	int retval = 0;

	PRINTK_2(TRACE_TP3780I,
	"tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);

	return retval;
	}

	int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
	{
	SMAPI_DSP_SETTINGS rSmapiInfo;
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;

	PRINTK_2(TRACE_TP3780I,
	"tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);

	if (smapi_query_DSP_cfg(&rSmapiInfo)) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
	return -EIO;
	}

	/* Sanity check */
	if (
	( rSmapiInfo.usDspIRQ == 0 )
	\|\| ( rSmapiInfo.usDspBaseIO == 0 )
	\|\| ( rSmapiInfo.usUartIRQ == 0 )
	\|\| ( rSmapiInfo.usUartBaseIO == 0 )
	) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
	return -EIO;
	}

	pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
	pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
	pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
	pSettings->usDspDma = rSmapiInfo.usDspDMA;
	pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
	pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
	pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;

	pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
	pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
	pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;

	if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
	pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
	} else {
	pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
	}

	PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");

	return 0;
	}


	int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
	{
	int retval = 0;
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
	#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
	struct resource *pres;
	#endif

	PRINTK_2(TRACE_TP3780I,
	"tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);

	#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
	pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
	if ( pres == NULL ) retval = -EIO;
	#else
	retval = check_region(pSettings->usDspBaseIO, 16);
	if (!retval) request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
	#endif
	if (retval) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
	retval = -EIO;
	}

	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);

	return retval;
	}

	int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
	{
	int retval = 0;
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;

	PRINTK_2(TRACE_TP3780I,
	"tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);

	release_region(pSettings->usDspBaseIO & (~3), 16);

	if (pSettings->bInterruptClaimed) {
	free_irq(pSettings->usDspIrq, NULL);
	pSettings->bInterruptClaimed = FALSE;
	}

	PRINTK_2(TRACE_TP3780I,
	"tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);

	return retval;
	}



	int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
	{
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
	BOOLEAN bDSPPoweredUp = FALSE, bDSPEnabled = FALSE, bInterruptAllocated = FALSE;

	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);

	if (pBDData->bDSPEnabled) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
	goto exit_cleanup;
	}

	if (!pSettings->bDSPEnabled) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
	goto exit_cleanup;
	}

	if (
	(pSettings->usDspIrq >= s_numIrqs)
	\|\| (pSettings->usDspDma >= s_numDmas)
	\|\| (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
	\|\| (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
	) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
	goto exit_cleanup;
	}

	if (
	((pSettings->usDspBaseIO & 0xF00F) != 0)
	\|\| (pSettings->usDspBaseIO & 0x0FF0) == 0
	) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
	goto exit_cleanup;
	}

	if (pSettings->bModemEnabled) {
	if (
	pSettings->usUartIrq >= s_numIrqs
	\|\| s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
	) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
	goto exit_cleanup;
	}
	switch (pSettings->usUartBaseIO) {
	case 0x03F8:
	case 0x02F8:
	case 0x03E8:
	case 0x02E8:
	break;

	default:
	PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
	goto exit_cleanup;
	}
	}

	pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
	pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;

	if (pBDData->bShareDspIrq) {
	pSettings->bDspIrqActiveLow = FALSE;
	}
	if (pBDData->bShareUartIrq) {
	pSettings->bUartIrqActiveLow = FALSE;
	}

	pSettings->usNumTransfers = TP_CFG_NumTransfers;
	pSettings->usReRequest = TP_CFG_RerequestTimer;
	pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
	pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
	pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
	pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
	pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
	pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
	pSettings->usN_Divisor = TP_CFG_N_Divisor;
	pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
	pSettings->bPllBypass = TP_CFG_PllBypass;
	pSettings->usChipletEnable = TP_CFG_ChipletEnable;

	if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
	goto exit_cleanup;
	} else { /* no conflict just release */
	free_irq(pSettings->usUartIrq, NULL);
	}

	if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
	PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
	goto exit_cleanup;
	} else {
	PRINTK_3(TRACE_TP3780I,
	"tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
	pSettings->usDspIrq, pBDData->bShareDspIrq);
	bInterruptAllocated = TRUE;
	pSettings->bInterruptClaimed = TRUE;
	}

	smapi_set_DSP_power_state(FALSE);
	if (smapi_set_DSP_power_state(TRUE)) {
	PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n");
	goto exit_cleanup;
	} else {
	bDSPPoweredUp = TRUE;
	}

	if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
	PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
	goto exit_cleanup;
	} else {
	bDSPEnabled = TRUE;
	}

	EnableSRAM(pBDData);

	pBDData->bDSPEnabled = TRUE;

	PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");

	return 0;

	exit_cleanup:
	PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
	if (bDSPEnabled)
	dsp3780I_DisableDSP(pSettings);
	if (bDSPPoweredUp)
	smapi_set_DSP_power_state(FALSE);
	if (bInterruptAllocated) {
	free_irq(pSettings->usDspIrq, NULL);
	pSettings->bInterruptClaimed = FALSE;
	}
	return -EIO;
	}


	int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
	{
	int retval = 0;
	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;

	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);

	if (pBDData->bDSPEnabled) {
	dsp3780I_DisableDSP(&pBDData->rDspSettings);
	if (pSettings->bInterruptClaimed) {
	free_irq(pSettings->usDspIrq, NULL);
	pSettings->bInterruptClaimed = FALSE;
	}
	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)
	{
	int retval = 0;

	PRINTK_2(TRACE_TP3780I,
	"tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);

	/* 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 retval;
	}

	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;
	BOOLEAN 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;
	BOOLEAN 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;
	}