575 lines · c
1/*2*3* tp3780i.c -- board driver for 3780i on ThinkPads4*5*6* Written By: Mike Sullivan IBM Corporation7*8* Copyright (C) 1999 IBM Corporation9*10* This program is free software; you can redistribute it and/or modify11* it under the terms of the GNU General Public License as published by12* the Free Software Foundation; either version 2 of the License, or13* (at your option) any later version.14*15* This program is distributed in the hope that it will be useful,16* but WITHOUT ANY WARRANTY; without even the implied warranty of17* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the18* GNU General Public License for more details.19*20* NO WARRANTY21* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR22* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT23* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,24* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is25* solely responsible for determining the appropriateness of using and26* distributing the Program and assumes all risks associated with its27* exercise of rights under this Agreement, including but not limited to28* the risks and costs of program errors, damage to or loss of data,29* programs or equipment, and unavailability or interruption of operations.30*31* DISCLAIMER OF LIABILITY32* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY33* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL34* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND35* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR36* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE37* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED38* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES39*40* You should have received a copy of the GNU General Public License41* along with this program; if not, write to the Free Software42* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA43*44*45* 10/23/2000 - Alpha Release46* First release to the public47*/48 49#include <linux/interrupt.h>50#include <linux/kernel.h>51#include <linux/ptrace.h>52#include <linux/ioport.h>53#include <asm/io.h>54#include "smapi.h"55#include "mwavedd.h"56#include "tp3780i.h"57#include "3780i.h"58#include "mwavepub.h"59 60static unsigned short s_ausThinkpadIrqToField[16] =61 { 0xFFFF, 0xFFFF, 0xFFFF, 0x0001, 0x0002, 0x0003, 0xFFFF, 0x0004,62 0xFFFF, 0xFFFF, 0x0005, 0x0006, 0xFFFF, 0xFFFF, 0xFFFF, 0x0007 };63static unsigned short s_ausThinkpadDmaToField[8] =64 { 0x0001, 0x0002, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0003, 0x0004 };65static unsigned short s_numIrqs = 16, s_numDmas = 8;66 67 68static void EnableSRAM(THINKPAD_BD_DATA * pBDData)69{70 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;71 unsigned short usDspBaseIO = pSettings->usDspBaseIO;72 DSP_GPIO_OUTPUT_DATA_15_8 rGpioOutputData;73 DSP_GPIO_DRIVER_ENABLE_15_8 rGpioDriverEnable;74 DSP_GPIO_MODE_15_8 rGpioMode;75 76 PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n");77 78 MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8);79 rGpioMode.GpioMode10 = 0;80 WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode));81 82 MKWORD(rGpioDriverEnable) = 0;83 rGpioDriverEnable.Enable10 = true;84 rGpioDriverEnable.Mask10 = true;85 WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable));86 87 MKWORD(rGpioOutputData) = 0;88 rGpioOutputData.Latch10 = 0;89 rGpioOutputData.Mask10 = true;90 WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData));91 92 PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n");93}94 95 96static irqreturn_t UartInterrupt(int irq, void *dev_id)97{98 PRINTK_3(TRACE_TP3780I,99 "tp3780i::UartInterrupt entry irq %x dev_id %p\n", irq, dev_id);100 return IRQ_HANDLED;101}102 103static irqreturn_t DspInterrupt(int irq, void *dev_id)104{105 pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;106 DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;107 unsigned short usDspBaseIO = pSettings->usDspBaseIO;108 unsigned short usIPCSource = 0, usIsolationMask, usPCNum;109 110 PRINTK_3(TRACE_TP3780I,111 "tp3780i::DspInterrupt entry irq %x dev_id %p\n", irq, dev_id);112 113 if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {114 PRINTK_2(TRACE_TP3780I,115 "tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",116 usIPCSource);117 usIsolationMask = 1;118 for (usPCNum = 1; usPCNum <= 16; usPCNum++) {119 if (usIPCSource & usIsolationMask) {120 usIPCSource &= ~usIsolationMask;121 PRINTK_3(TRACE_TP3780I,122 "tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",123 usPCNum, usIPCSource);124 if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {125 pDrvData->IPCs[usPCNum - 1].usIntCount = 1;126 }127 PRINTK_2(TRACE_TP3780I,128 "tp3780i::DspInterrupt usIntCount %x\n",129 pDrvData->IPCs[usPCNum - 1].usIntCount);130 if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == true) {131 PRINTK_2(TRACE_TP3780I,132 "tp3780i::DspInterrupt, waking up usPCNum %x\n",133 usPCNum - 1);134 wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);135 } else {136 PRINTK_2(TRACE_TP3780I,137 "tp3780i::DspInterrupt, no one waiting for IPC %x\n",138 usPCNum - 1);139 }140 }141 if (usIPCSource == 0)142 break;143 /* try next IPC */144 usIsolationMask = usIsolationMask << 1;145 }146 } else {147 PRINTK_1(TRACE_TP3780I,148 "tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");149 }150 PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");151 return IRQ_HANDLED;152}153 154 155int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)156{157 int retval = 0;158 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;159 160 161 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);162 163 pBDData->bDSPEnabled = false;164 pSettings->bInterruptClaimed = false;165 166 retval = smapi_init();167 if (retval) {168 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");169 } else {170 if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {171 retval = smapi_set_DSP_cfg();172 }173 }174 175 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);176 177 return retval;178}179 180void tp3780I_Cleanup(THINKPAD_BD_DATA *pBDData)181{182 PRINTK_2(TRACE_TP3780I,183 "tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);184}185 186int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)187{188 SMAPI_DSP_SETTINGS rSmapiInfo;189 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;190 191 PRINTK_2(TRACE_TP3780I,192 "tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);193 194 if (smapi_query_DSP_cfg(&rSmapiInfo)) {195 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");196 return -EIO;197 }198 199 /* Sanity check */200 if (201 ( rSmapiInfo.usDspIRQ == 0 )202 || ( rSmapiInfo.usDspBaseIO == 0 )203 || ( rSmapiInfo.usUartIRQ == 0 )204 || ( rSmapiInfo.usUartBaseIO == 0 )205 ) {206 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");207 return -EIO;208 }209 210 pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);211 pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;212 pSettings->usDspIrq = rSmapiInfo.usDspIRQ;213 pSettings->usDspDma = rSmapiInfo.usDspDMA;214 pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;215 pSettings->usUartIrq = rSmapiInfo.usUartIRQ;216 pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;217 218 pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;219 pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;220 pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;221 222 if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {223 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;224 } else {225 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;226 }227 228 PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");229 230 return 0;231}232 233 234int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)235{236 int retval = 0;237 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;238 struct resource *pres;239 240 PRINTK_2(TRACE_TP3780I,241 "tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);242 243 pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");244 if ( pres == NULL ) retval = -EIO;245 246 if (retval) {247 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);248 retval = -EIO;249 }250 251 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);252 253 return retval;254}255 256int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)257{258 int retval = 0;259 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;260 261 PRINTK_2(TRACE_TP3780I,262 "tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);263 264 release_region(pSettings->usDspBaseIO & (~3), 16);265 266 if (pSettings->bInterruptClaimed) {267 free_irq(pSettings->usDspIrq, NULL);268 pSettings->bInterruptClaimed = false;269 }270 271 PRINTK_2(TRACE_TP3780I,272 "tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);273 274 return retval;275}276 277 278 279int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)280{281 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;282 bool bDSPPoweredUp = false, bInterruptAllocated = false;283 284 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);285 286 if (pBDData->bDSPEnabled) {287 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");288 goto exit_cleanup;289 }290 291 if (!pSettings->bDSPEnabled) {292 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");293 goto exit_cleanup;294 }295 296 if (297 (pSettings->usDspIrq >= s_numIrqs)298 || (pSettings->usDspDma >= s_numDmas)299 || (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)300 || (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)301 ) {302 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);303 goto exit_cleanup;304 }305 306 if (307 ((pSettings->usDspBaseIO & 0xF00F) != 0)308 || (pSettings->usDspBaseIO & 0x0FF0) == 0309 ) {310 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);311 goto exit_cleanup;312 }313 314 if (pSettings->bModemEnabled) {315 if (316 pSettings->usUartIrq >= s_numIrqs317 || s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF318 ) {319 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);320 goto exit_cleanup;321 }322 switch (pSettings->usUartBaseIO) {323 case 0x03F8:324 case 0x02F8:325 case 0x03E8:326 case 0x02E8:327 break;328 329 default:330 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);331 goto exit_cleanup;332 }333 }334 335 pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = true;336 pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = true;337 338 if (pBDData->bShareDspIrq) {339 pSettings->bDspIrqActiveLow = false;340 }341 if (pBDData->bShareUartIrq) {342 pSettings->bUartIrqActiveLow = false;343 }344 345 pSettings->usNumTransfers = TP_CFG_NumTransfers;346 pSettings->usReRequest = TP_CFG_RerequestTimer;347 pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;348 pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;349 pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;350 pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;351 pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;352 pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;353 pSettings->usN_Divisor = TP_CFG_N_Divisor;354 pSettings->usM_Multiplier = TP_CFG_M_Multiplier;355 pSettings->bPllBypass = TP_CFG_PllBypass;356 pSettings->usChipletEnable = TP_CFG_ChipletEnable;357 358 if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {359 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);360 goto exit_cleanup;361 } else { /* no conflict just release */362 free_irq(pSettings->usUartIrq, NULL);363 }364 365 if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {366 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);367 goto exit_cleanup;368 } else {369 PRINTK_3(TRACE_TP3780I,370 "tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",371 pSettings->usDspIrq, pBDData->bShareDspIrq);372 bInterruptAllocated = true;373 pSettings->bInterruptClaimed = true;374 }375 376 smapi_set_DSP_power_state(false);377 if (smapi_set_DSP_power_state(true)) {378 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(true) failed\n");379 goto exit_cleanup;380 } else {381 bDSPPoweredUp = true;382 }383 384 if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {385 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");386 goto exit_cleanup;387 }388 389 EnableSRAM(pBDData);390 391 pBDData->bDSPEnabled = true;392 393 PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");394 395 return 0;396 397exit_cleanup:398 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");399 if (bDSPPoweredUp)400 smapi_set_DSP_power_state(false);401 if (bInterruptAllocated) {402 free_irq(pSettings->usDspIrq, NULL);403 pSettings->bInterruptClaimed = false;404 }405 return -EIO;406}407 408 409int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)410{411 int retval = 0;412 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;413 414 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);415 416 if (pBDData->bDSPEnabled) {417 dsp3780I_DisableDSP(&pBDData->rDspSettings);418 if (pSettings->bInterruptClaimed) {419 free_irq(pSettings->usDspIrq, NULL);420 pSettings->bInterruptClaimed = false;421 }422 smapi_set_DSP_power_state(false);423 pBDData->bDSPEnabled = false;424 }425 426 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);427 428 return retval;429}430 431 432int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)433{434 int retval = 0;435 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;436 437 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",438 pBDData);439 440 if (dsp3780I_Reset(pSettings) == 0) {441 EnableSRAM(pBDData);442 } else {443 retval = -EIO;444 }445 446 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);447 448 return retval;449}450 451 452int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)453{454 int retval = 0;455 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;456 457 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);458 459 if (dsp3780I_Run(pSettings) == 0) {460 // @BUG @TBD EnableSRAM(pBDData);461 } else {462 retval = -EIO;463 }464 465 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);466 467 return retval;468}469 470 471int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)472{473 PRINTK_2(TRACE_TP3780I,474 "tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);475 476 memset(pAbilities, 0, sizeof(*pAbilities));477 /* fill out standard constant fields */478 pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;479 pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;480 pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;481 pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;482 483 /* fill out dynamically determined fields */484 pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;485 pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;486 pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;487 pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;488 pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;489 pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;490 pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;491 pAbilities->component_count = 7;492 493 /* Fill out Mwave OS and BIOS task names */494 495 memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,496 sizeof(TP_ABILITIES_MWAVEOS_NAME));497 memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,498 sizeof(TP_ABILITIES_BIOSTASK_NAME));499 500 PRINTK_1(TRACE_TP3780I,501 "tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");502 503 return 0;504}505 506int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,507 void __user *pvBuffer, unsigned int uCount,508 unsigned long ulDSPAddr)509{510 int retval = 0;511 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;512 unsigned short usDspBaseIO = pSettings->usDspBaseIO;513 bool bRC = 0;514 515 PRINTK_6(TRACE_TP3780I,516 "tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",517 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);518 519 if (pBDData->bDSPEnabled) {520 switch (uOpcode) {521 case IOCTL_MW_READ_DATA:522 bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);523 break;524 525 case IOCTL_MW_READCLEAR_DATA:526 bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);527 break;528 529 case IOCTL_MW_WRITE_DATA:530 bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);531 break;532 }533 }534 535 retval = (bRC) ? -EIO : 0;536 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);537 538 return retval;539}540 541 542int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,543 void __user *pvBuffer, unsigned int uCount,544 unsigned long ulDSPAddr)545{546 int retval = 0;547 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;548 unsigned short usDspBaseIO = pSettings->usDspBaseIO;549 bool bRC = 0;550 551 PRINTK_6(TRACE_TP3780I,552 "tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",553 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);554 555 if (pBDData->bDSPEnabled) {556 switch (uOpcode) {557 case IOCTL_MW_READ_INST:558 bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);559 break;560 561 case IOCTL_MW_WRITE_INST:562 bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);563 break;564 }565 }566 567 retval = (bRC) ? -EIO : 0;568 569 PRINTK_2(TRACE_TP3780I,570 "tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);571 572 return retval;573}574 575