3 * tp3780i.c -- board driver for 3780i on ThinkPads
6 * Written By: Mike Sullivan IBM Corporation
8 * Copyright (C) 1999 IBM Corporation
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 * solely responsible for determining the appropriateness of using and
26 * distributing the Program and assumes all risks associated with its
27 * exercise of rights under this Agreement, including but not limited to
28 * the risks and costs of program errors, damage to or loss of data,
29 * programs or equipment, and unavailability or interruption of operations.
31 * DISCLAIMER OF LIABILITY
32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40 * You should have received a copy of the GNU General Public License
41 * along with this program; if not, write to the Free Software
42 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
45 * 10/23/2000 - Alpha Release
46 * First release to the public
49 #include <linux/interrupt.h>
50 #include <linux/kernel.h>
51 #include <linux/ptrace.h>
52 #include <linux/ioport.h>
60 extern MWAVE_DEVICE_DATA mwave_s_mdd;
62 static unsigned short s_ausThinkpadIrqToField[16] =
63 { 0xFFFF, 0xFFFF, 0xFFFF, 0x0001, 0x0002, 0x0003, 0xFFFF, 0x0004,
64 0xFFFF, 0xFFFF, 0x0005, 0x0006, 0xFFFF, 0xFFFF, 0xFFFF, 0x0007 };
65 static unsigned short s_ausThinkpadDmaToField[8] =
66 { 0x0001, 0x0002, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0003, 0x0004 };
67 static unsigned short s_numIrqs = 16, s_numDmas = 8;
70 static void EnableSRAM(THINKPAD_BD_DATA * pBDData)
72 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
73 unsigned short usDspBaseIO = pSettings->usDspBaseIO;
74 DSP_GPIO_OUTPUT_DATA_15_8 rGpioOutputData;
75 DSP_GPIO_DRIVER_ENABLE_15_8 rGpioDriverEnable;
76 DSP_GPIO_MODE_15_8 rGpioMode;
78 PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n");
80 MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8);
81 rGpioMode.GpioMode10 = 0;
82 WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode));
84 MKWORD(rGpioDriverEnable) = 0;
85 rGpioDriverEnable.Enable10 = TRUE;
86 rGpioDriverEnable.Mask10 = TRUE;
87 WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable));
89 MKWORD(rGpioOutputData) = 0;
90 rGpioOutputData.Latch10 = 0;
91 rGpioOutputData.Mask10 = TRUE;
92 WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData));
94 PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n");
98 static irqreturn_t UartInterrupt(int irq, void *dev_id)
100 int irqno = (int)(unsigned long) dev_id;
102 PRINTK_3(TRACE_TP3780I,
103 "tp3780i::UartInterrupt entry irq %x dev_id %p\n", irqno, dev_id);
107 static irqreturn_t DspInterrupt(int irq, void *dev_id)
109 int irqno = (int)(unsigned long) dev_id;
111 pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
112 DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
113 unsigned short usDspBaseIO = pSettings->usDspBaseIO;
114 unsigned short usIPCSource = 0, usIsolationMask, usPCNum;
116 PRINTK_3(TRACE_TP3780I,
117 "tp3780i::DspInterrupt entry irq %x dev_id %p\n", irqno, dev_id);
119 if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
120 PRINTK_2(TRACE_TP3780I,
121 "tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
124 for (usPCNum = 1; usPCNum <= 16; usPCNum++) {
125 if (usIPCSource & usIsolationMask) {
126 usIPCSource &= ~usIsolationMask;
127 PRINTK_3(TRACE_TP3780I,
128 "tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",
129 usPCNum, usIPCSource);
130 if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {
131 pDrvData->IPCs[usPCNum - 1].usIntCount = 1;
133 PRINTK_2(TRACE_TP3780I,
134 "tp3780i::DspInterrupt usIntCount %x\n",
135 pDrvData->IPCs[usPCNum - 1].usIntCount);
136 if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == TRUE) {
137 PRINTK_2(TRACE_TP3780I,
138 "tp3780i::DspInterrupt, waking up usPCNum %x\n",
140 wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
142 PRINTK_2(TRACE_TP3780I,
143 "tp3780i::DspInterrupt, no one waiting for IPC %x\n",
147 if (usIPCSource == 0)
150 usIsolationMask = usIsolationMask << 1;
153 PRINTK_1(TRACE_TP3780I,
154 "tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
156 PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
161 int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
164 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
167 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);
169 pBDData->bDSPEnabled = FALSE;
170 pSettings->bInterruptClaimed = FALSE;
172 retval = smapi_init();
174 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
176 if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {
177 retval = smapi_set_DSP_cfg();
181 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);
186 int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
190 PRINTK_2(TRACE_TP3780I,
191 "tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
196 int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
198 SMAPI_DSP_SETTINGS rSmapiInfo;
199 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
201 PRINTK_2(TRACE_TP3780I,
202 "tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);
204 if (smapi_query_DSP_cfg(&rSmapiInfo)) {
205 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
211 ( rSmapiInfo.usDspIRQ == 0 )
212 || ( rSmapiInfo.usDspBaseIO == 0 )
213 || ( rSmapiInfo.usUartIRQ == 0 )
214 || ( rSmapiInfo.usUartBaseIO == 0 )
216 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
220 pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
221 pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
222 pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
223 pSettings->usDspDma = rSmapiInfo.usDspDMA;
224 pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
225 pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
226 pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;
228 pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
229 pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
230 pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;
232 if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
233 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
235 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
238 PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");
244 int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
247 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
248 struct resource *pres;
250 PRINTK_2(TRACE_TP3780I,
251 "tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
253 pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
254 if ( pres == NULL ) retval = -EIO;
257 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
261 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
266 int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
269 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
271 PRINTK_2(TRACE_TP3780I,
272 "tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
274 release_region(pSettings->usDspBaseIO & (~3), 16);
276 if (pSettings->bInterruptClaimed) {
277 free_irq(pSettings->usDspIrq, NULL);
278 pSettings->bInterruptClaimed = FALSE;
281 PRINTK_2(TRACE_TP3780I,
282 "tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
289 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
291 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
292 BOOLEAN bDSPPoweredUp = FALSE, bInterruptAllocated = FALSE;
294 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
296 if (pBDData->bDSPEnabled) {
297 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
301 if (!pSettings->bDSPEnabled) {
302 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
307 (pSettings->usDspIrq >= s_numIrqs)
308 || (pSettings->usDspDma >= s_numDmas)
309 || (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
310 || (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
312 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
317 ((pSettings->usDspBaseIO & 0xF00F) != 0)
318 || (pSettings->usDspBaseIO & 0x0FF0) == 0
320 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
324 if (pSettings->bModemEnabled) {
326 pSettings->usUartIrq >= s_numIrqs
327 || s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
329 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
332 switch (pSettings->usUartBaseIO) {
340 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
345 pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
346 pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;
348 if (pBDData->bShareDspIrq) {
349 pSettings->bDspIrqActiveLow = FALSE;
351 if (pBDData->bShareUartIrq) {
352 pSettings->bUartIrqActiveLow = FALSE;
355 pSettings->usNumTransfers = TP_CFG_NumTransfers;
356 pSettings->usReRequest = TP_CFG_RerequestTimer;
357 pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
358 pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
359 pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
360 pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
361 pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
362 pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
363 pSettings->usN_Divisor = TP_CFG_N_Divisor;
364 pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
365 pSettings->bPllBypass = TP_CFG_PllBypass;
366 pSettings->usChipletEnable = TP_CFG_ChipletEnable;
368 if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart",
369 (void *)(unsigned long) pSettings->usUartIrq)) {
370 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
372 } else { /* no conflict just release */
373 free_irq(pSettings->usUartIrq, NULL);
376 if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i",
377 (void *)(unsigned long) pSettings->usDspIrq)) {
378 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
381 PRINTK_3(TRACE_TP3780I,
382 "tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
383 pSettings->usDspIrq, pBDData->bShareDspIrq);
384 bInterruptAllocated = TRUE;
385 pSettings->bInterruptClaimed = TRUE;
388 smapi_set_DSP_power_state(FALSE);
389 if (smapi_set_DSP_power_state(TRUE)) {
390 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n");
393 bDSPPoweredUp = TRUE;
396 if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
397 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
403 pBDData->bDSPEnabled = TRUE;
405 PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
410 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
412 smapi_set_DSP_power_state(FALSE);
413 if (bInterruptAllocated) {
414 free_irq(pSettings->usDspIrq, NULL);
415 pSettings->bInterruptClaimed = FALSE;
421 int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
424 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
426 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
428 if (pBDData->bDSPEnabled) {
429 dsp3780I_DisableDSP(&pBDData->rDspSettings);
430 if (pSettings->bInterruptClaimed) {
431 free_irq(pSettings->usDspIrq, NULL);
432 pSettings->bInterruptClaimed = FALSE;
434 smapi_set_DSP_power_state(FALSE);
435 pBDData->bDSPEnabled = FALSE;
438 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
444 int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)
447 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
449 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",
452 if (dsp3780I_Reset(pSettings) == 0) {
458 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);
464 int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
467 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
469 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
471 if (dsp3780I_Run(pSettings) == 0) {
472 // @BUG @TBD EnableSRAM(pBDData);
477 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
483 int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
487 PRINTK_2(TRACE_TP3780I,
488 "tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
490 /* fill out standard constant fields */
491 pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
492 pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
493 pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
494 pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
496 /* fill out dynamically determined fields */
497 pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
498 pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
499 pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
500 pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
501 pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
502 pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
503 pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
504 pAbilities->component_count = 7;
506 /* Fill out Mwave OS and BIOS task names */
508 memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
509 sizeof(TP_ABILITIES_MWAVEOS_NAME));
510 memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
511 sizeof(TP_ABILITIES_BIOSTASK_NAME));
513 PRINTK_1(TRACE_TP3780I,
514 "tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
519 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
520 void __user *pvBuffer, unsigned int uCount,
521 unsigned long ulDSPAddr)
524 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
525 unsigned short usDspBaseIO = pSettings->usDspBaseIO;
528 PRINTK_6(TRACE_TP3780I,
529 "tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
530 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
532 if (pBDData->bDSPEnabled) {
534 case IOCTL_MW_READ_DATA:
535 bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
538 case IOCTL_MW_READCLEAR_DATA:
539 bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
542 case IOCTL_MW_WRITE_DATA:
543 bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
548 retval = (bRC) ? -EIO : 0;
549 PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
555 int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
556 void __user *pvBuffer, unsigned int uCount,
557 unsigned long ulDSPAddr)
560 DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
561 unsigned short usDspBaseIO = pSettings->usDspBaseIO;
564 PRINTK_6(TRACE_TP3780I,
565 "tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
566 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
568 if (pBDData->bDSPEnabled) {
570 case IOCTL_MW_READ_INST:
571 bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
574 case IOCTL_MW_WRITE_INST:
575 bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
580 retval = (bRC) ? -EIO : 0;
582 PRINTK_2(TRACE_TP3780I,
583 "tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);