drivers/char/mwave/tp3780i.c

   1 /*
   2 *
   3 * tp3780i.c -- board driver for 3780i on ThinkPads
   4 *
   5 *
   6 * Written By: Mike Sullivan IBM Corporation
   7 *
   8 * Copyright (C) 1999 IBM Corporation
   9 *
  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.
  14 *
  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.
  19 *
  20 * NO WARRANTY
  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.
  30 *
  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
  39 *
  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
  43 *
  44 *
  45 * 10/23/2000 - Alpha Release
  46 *       First release to the public
  47 */
  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
  60 extern MWAVE_DEVICE_DATA mwave_s_mdd;
  61
  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;
  68
  69
  70 static void EnableSRAM(THINKPAD_BD_DATA * pBDData)
  71 {
  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;
  77
  78         PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n");
  79
  80         MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8);
  81         rGpioMode.GpioMode10 = 0;
  82         WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode));
  83
  84         MKWORD(rGpioDriverEnable) = 0;
  85         rGpioDriverEnable.Enable10 = TRUE;
  86         rGpioDriverEnable.Mask10 = TRUE;
  87         WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable));
  88
  89         MKWORD(rGpioOutputData) = 0;
  90         rGpioOutputData.Latch10 = 0;
  91         rGpioOutputData.Mask10 = TRUE;
  92         WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData));
  93
  94         PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n");
  95 }
  96
  97
  98 static irqreturn_t UartInterrupt(int irq, void *dev_id)
  99 {
 100         PRINTK_3(TRACE_TP3780I,
 101                 "tp3780i::UartInterrupt entry irq %x dev_id %p\n", irq, dev_id);
 102         return IRQ_HANDLED;
 103 }
 104
 105 static irqreturn_t DspInterrupt(int irq, void *dev_id)
 106 {
 107         pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
 108         DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
 109         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 110         unsigned short usIPCSource = 0, usIsolationMask, usPCNum;
 111
 112         PRINTK_3(TRACE_TP3780I,
 113                 "tp3780i::DspInterrupt entry irq %x dev_id %p\n", irq, dev_id);
 114
 115         if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
 116                 PRINTK_2(TRACE_TP3780I,
 117                         "tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
 118                         usIPCSource);
 119                 usIsolationMask = 1;
 120                 for (usPCNum = 1; usPCNum <= 16; usPCNum++) {
 121                         if (usIPCSource & usIsolationMask) {
 122                                 usIPCSource &= ~usIsolationMask;
 123                                 PRINTK_3(TRACE_TP3780I,
 124                                         "tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",
 125                                         usPCNum, usIPCSource);
 126                                 if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {
 127                                         pDrvData->IPCs[usPCNum - 1].usIntCount = 1;
 128                                 }
 129                                 PRINTK_2(TRACE_TP3780I,
 130                                         "tp3780i::DspInterrupt usIntCount %x\n",
 131                                         pDrvData->IPCs[usPCNum - 1].usIntCount);
 132                                 if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == TRUE) {
 133                                         PRINTK_2(TRACE_TP3780I,
 134                                                 "tp3780i::DspInterrupt, waking up usPCNum %x\n",
 135                                                 usPCNum - 1);
 136                                         wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
 137                                 } else {
 138                                         PRINTK_2(TRACE_TP3780I,
 139                                                 "tp3780i::DspInterrupt, no one waiting for IPC %x\n",
 140                                                 usPCNum - 1);
 141                                 }
 142                         }
 143                         if (usIPCSource == 0)
 144                                 break;
 145                         /* try next IPC */
 146                         usIsolationMask = usIsolationMask << 1;
 147                 }
 148         } else {
 149                 PRINTK_1(TRACE_TP3780I,
 150                         "tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
 151         }
 152         PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
 153         return IRQ_HANDLED;
 154 }
 155
 156
 157 int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
 158 {
 159         int retval = 0;
 160         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 161
 162
 163         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);
 164
 165         pBDData->bDSPEnabled = FALSE;
 166         pSettings->bInterruptClaimed = FALSE;
 167
 168         retval = smapi_init();
 169         if (retval) {
 170                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
 171         } else {
 172                 if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {
 173                         retval = smapi_set_DSP_cfg();
 174                 }
 175         }
 176
 177         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);
 178
 179         return retval;
 180 }
 181
 182 int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
 183 {
 184         int retval = 0;
 185
 186         PRINTK_2(TRACE_TP3780I,
 187                 "tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
 188
 189         return retval;
 190 }
 191
 192 int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
 193 {
 194         SMAPI_DSP_SETTINGS rSmapiInfo;
 195         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 196
 197         PRINTK_2(TRACE_TP3780I,
 198                 "tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);
 199
 200         if (smapi_query_DSP_cfg(&rSmapiInfo)) {
 201                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
 202                 return -EIO;
 203         }
 204
 205         /* Sanity check */
 206         if (
 207                 ( rSmapiInfo.usDspIRQ == 0 )
 208                 || ( rSmapiInfo.usDspBaseIO ==  0 )
 209                 || ( rSmapiInfo.usUartIRQ ==  0 )
 210                 || ( rSmapiInfo.usUartBaseIO ==  0 )
 211         ) {
 212                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
 213                 return -EIO;
 214         }
 215
 216         pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
 217         pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
 218         pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
 219         pSettings->usDspDma = rSmapiInfo.usDspDMA;
 220         pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
 221         pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
 222         pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;
 223
 224         pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
 225         pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
 226         pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;
 227
 228         if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
 229                 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
 230         } else {
 231                 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
 232         }
 233
 234         PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");
 235
 236         return 0;
 237 }
 238
 239
 240 int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
 241 {
 242         int retval = 0;
 243         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 244         struct resource *pres;
 245
 246         PRINTK_2(TRACE_TP3780I,
 247                 "tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
 248
 249         pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 250         if ( pres == NULL ) retval = -EIO;
 251
 252         if (retval) {
 253                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
 254                 retval = -EIO;
 255         }
 256
 257         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
 258
 259         return retval;
 260 }
 261
 262 int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
 263 {
 264         int retval = 0;
 265         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 266
 267         PRINTK_2(TRACE_TP3780I,
 268                 "tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
 269
 270         release_region(pSettings->usDspBaseIO & (~3), 16);
 271
 272         if (pSettings->bInterruptClaimed) {
 273                 free_irq(pSettings->usDspIrq, NULL);
 274                 pSettings->bInterruptClaimed = FALSE;
 275         }
 276
 277         PRINTK_2(TRACE_TP3780I,
 278                 "tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
 279
 280         return retval;
 281 }
 282
 283
 284
 285 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 286 {
 287         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 288         BOOLEAN bDSPPoweredUp = FALSE, bInterruptAllocated = FALSE;
 289
 290         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
 291
 292         if (pBDData->bDSPEnabled) {
 293                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
 294                 goto exit_cleanup;
 295         }
 296
 297         if (!pSettings->bDSPEnabled) {
 298                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
 299                 goto exit_cleanup;
 300         }
 301
 302         if (
 303                 (pSettings->usDspIrq >= s_numIrqs)
 304                 || (pSettings->usDspDma >= s_numDmas)
 305                 || (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
 306                 || (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
 307         ) {
 308                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
 309                 goto exit_cleanup;
 310         }
 311
 312         if (
 313                 ((pSettings->usDspBaseIO & 0xF00F) != 0)
 314                 || (pSettings->usDspBaseIO & 0x0FF0) == 0
 315         ) {
 316                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
 317                 goto exit_cleanup;
 318         }
 319
 320         if (pSettings->bModemEnabled) {
 321                 if (
 322                         pSettings->usUartIrq >= s_numIrqs
 323                         || s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
 324                 ) {
 325                         PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
 326                         goto exit_cleanup;
 327                 }
 328                 switch (pSettings->usUartBaseIO) {
 329                         case 0x03F8:
 330                         case 0x02F8:
 331                         case 0x03E8:
 332                         case 0x02E8:
 333                                 break;
 334
 335                         default:
 336                                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
 337                                 goto exit_cleanup;
 338                 }
 339         }
 340
 341         pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
 342         pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;
 343
 344         if (pBDData->bShareDspIrq) {
 345                 pSettings->bDspIrqActiveLow = FALSE;
 346         }
 347         if (pBDData->bShareUartIrq) {
 348                 pSettings->bUartIrqActiveLow = FALSE;
 349         }
 350
 351         pSettings->usNumTransfers = TP_CFG_NumTransfers;
 352         pSettings->usReRequest = TP_CFG_RerequestTimer;
 353         pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
 354         pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
 355         pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
 356         pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
 357         pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
 358         pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
 359         pSettings->usN_Divisor = TP_CFG_N_Divisor;
 360         pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
 361         pSettings->bPllBypass = TP_CFG_PllBypass;
 362         pSettings->usChipletEnable = TP_CFG_ChipletEnable;
 363
 364         if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
 365                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
 366                 goto exit_cleanup;
 367         } else {                /* no conflict just release */
 368                 free_irq(pSettings->usUartIrq, NULL);
 369         }
 370
 371         if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
 372                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
 373                 goto exit_cleanup;
 374         } else {
 375                 PRINTK_3(TRACE_TP3780I,
 376                         "tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
 377                         pSettings->usDspIrq, pBDData->bShareDspIrq);
 378                 bInterruptAllocated = TRUE;
 379                 pSettings->bInterruptClaimed = TRUE;
 380         }
 381
 382         smapi_set_DSP_power_state(FALSE);
 383         if (smapi_set_DSP_power_state(TRUE)) {
 384                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n");
 385                 goto exit_cleanup;
 386         } else {
 387                 bDSPPoweredUp = TRUE;
 388         }
 389
 390         if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
 391                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
 392                 goto exit_cleanup;
 393         }
 394
 395         EnableSRAM(pBDData);
 396
 397         pBDData->bDSPEnabled = TRUE;
 398
 399         PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
 400
 401         return 0;
 402
 403 exit_cleanup:
 404         PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
 405         if (bDSPPoweredUp)
 406                 smapi_set_DSP_power_state(FALSE);
 407         if (bInterruptAllocated) {
 408                 free_irq(pSettings->usDspIrq, NULL);
 409                 pSettings->bInterruptClaimed = FALSE;
 410         }
 411         return -EIO;
 412 }
 413
 414
 415 int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
 416 {
 417         int retval = 0;
 418         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 419
 420         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
 421
 422         if (pBDData->bDSPEnabled) {
 423                 dsp3780I_DisableDSP(&pBDData->rDspSettings);
 424                 if (pSettings->bInterruptClaimed) {
 425                         free_irq(pSettings->usDspIrq, NULL);
 426                         pSettings->bInterruptClaimed = FALSE;
 427                 }
 428                 smapi_set_DSP_power_state(FALSE);
 429                 pBDData->bDSPEnabled = FALSE;
 430         }
 431
 432         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
 433
 434         return retval;
 435 }
 436
 437
 438 int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)
 439 {
 440         int retval = 0;
 441         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 442
 443         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",
 444                 pBDData);
 445
 446         if (dsp3780I_Reset(pSettings) == 0) {
 447                 EnableSRAM(pBDData);
 448         } else {
 449                 retval = -EIO;
 450         }
 451
 452         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);
 453
 454         return retval;
 455 }
 456
 457
 458 int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
 459 {
 460         int retval = 0;
 461         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 462
 463         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
 464
 465         if (dsp3780I_Run(pSettings) == 0) {
 466                 // @BUG @TBD EnableSRAM(pBDData);
 467         } else {
 468                 retval = -EIO;
 469         }
 470
 471         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
 472
 473         return retval;
 474 }
 475
 476
 477 int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
 478 {
 479         int retval = 0;
 480
 481         PRINTK_2(TRACE_TP3780I,
 482                 "tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
 483
 484         /* fill out standard constant fields */
 485         pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
 486         pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
 487         pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
 488         pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
 489
 490         /* fill out dynamically determined fields */
 491         pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
 492         pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
 493         pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
 494         pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
 495         pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
 496         pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
 497         pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
 498         pAbilities->component_count = 7;
 499
 500         /* Fill out Mwave OS and BIOS task names */
 501
 502         memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
 503                 sizeof(TP_ABILITIES_MWAVEOS_NAME));
 504         memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
 505                 sizeof(TP_ABILITIES_BIOSTASK_NAME));
 506
 507         PRINTK_1(TRACE_TP3780I,
 508                 "tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
 509
 510         return retval;
 511 }
 512
 513 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 514                                void __user *pvBuffer, unsigned int uCount,
 515                                unsigned long ulDSPAddr)
 516 {
 517         int retval = 0;
 518         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 519         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 520         BOOLEAN bRC = 0;
 521
 522         PRINTK_6(TRACE_TP3780I,
 523                 "tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
 524                 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
 525
 526         if (pBDData->bDSPEnabled) {
 527                 switch (uOpcode) {
 528                 case IOCTL_MW_READ_DATA:
 529                         bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 530                         break;
 531
 532                 case IOCTL_MW_READCLEAR_DATA:
 533                         bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 534                         break;
 535
 536                 case IOCTL_MW_WRITE_DATA:
 537                         bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 538                         break;
 539                 }
 540         }
 541
 542         retval = (bRC) ? -EIO : 0;
 543         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
 544
 545         return retval;
 546 }
 547
 548
 549 int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 550                                void __user *pvBuffer, unsigned int uCount,
 551                                unsigned long ulDSPAddr)
 552 {
 553         int retval = 0;
 554         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 555         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 556         BOOLEAN bRC = 0;
 557
 558         PRINTK_6(TRACE_TP3780I,
 559                 "tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
 560                 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
 561
 562         if (pBDData->bDSPEnabled) {
 563                 switch (uOpcode) {
 564                 case IOCTL_MW_READ_INST:
 565                         bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 566                         break;
 567
 568                 case IOCTL_MW_WRITE_INST:
 569                         bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 570                         break;
 571                 }
 572         }
 573
 574         retval = (bRC) ? -EIO : 0;
 575
 576         PRINTK_2(TRACE_TP3780I,
 577                 "tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
 578
 579         return retval;
 580 }
 581