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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
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
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) == 0
309 ) {
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_numIrqs
317 || s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
318 ) {
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 {
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
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
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
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
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
