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         int irqno = (int)(unsigned long) dev_id;
 101
 102         PRINTK_3(TRACE_TP3780I,
 103                 "tp3780i::UartInterrupt entry irq %x dev_id %p\n", irqno, dev_id);
 104         return IRQ_HANDLED;
 105 }
 106
 107 static irqreturn_t DspInterrupt(int irq, void *dev_id)
 108 {
 109         int irqno = (int)(unsigned long) dev_id;
 110
 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;
 115
 116         PRINTK_3(TRACE_TP3780I,
 117                 "tp3780i::DspInterrupt entry irq %x dev_id %p\n", irqno, dev_id);
 118
 119         if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
 120                 PRINTK_2(TRACE_TP3780I,
 121                         "tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
 122                         usIPCSource);
 123                 usIsolationMask = 1;
 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;
 132                                 }
 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",
 139                                                 usPCNum - 1);
 140                                         wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
 141                                 } else {
 142                                         PRINTK_2(TRACE_TP3780I,
 143                                                 "tp3780i::DspInterrupt, no one waiting for IPC %x\n",
 144                                                 usPCNum - 1);
 145                                 }
 146                         }
 147                         if (usIPCSource == 0)
 148                                 break;
 149                         /* try next IPC */
 150                         usIsolationMask = usIsolationMask << 1;
 151                 }
 152         } else {
 153                 PRINTK_1(TRACE_TP3780I,
 154                         "tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
 155         }
 156         PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
 157         return IRQ_HANDLED;
 158 }
 159
 160
 161 int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
 162 {
 163         int retval = 0;
 164         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 165
 166
 167         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);
 168
 169         pBDData->bDSPEnabled = FALSE;
 170         pSettings->bInterruptClaimed = FALSE;
 171
 172         retval = smapi_init();
 173         if (retval) {
 174                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
 175         } else {
 176                 if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {
 177                         retval = smapi_set_DSP_cfg();
 178                 }
 179         }
 180
 181         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);
 182
 183         return retval;
 184 }
 185
 186 int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
 187 {
 188         int retval = 0;
 189
 190         PRINTK_2(TRACE_TP3780I,
 191                 "tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
 192
 193         return retval;
 194 }
 195
 196 int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
 197 {
 198         SMAPI_DSP_SETTINGS rSmapiInfo;
 199         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 200
 201         PRINTK_2(TRACE_TP3780I,
 202                 "tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);
 203
 204         if (smapi_query_DSP_cfg(&rSmapiInfo)) {
 205                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
 206                 return -EIO;
 207         }
 208
 209         /* Sanity check */
 210         if (
 211                 ( rSmapiInfo.usDspIRQ == 0 )
 212                 || ( rSmapiInfo.usDspBaseIO ==  0 )
 213                 || ( rSmapiInfo.usUartIRQ ==  0 )
 214                 || ( rSmapiInfo.usUartBaseIO ==  0 )
 215         ) {
 216                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
 217                 return -EIO;
 218         }
 219
 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;
 227
 228         pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
 229         pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
 230         pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;
 231
 232         if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
 233                 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
 234         } else {
 235                 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
 236         }
 237
 238         PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");
 239
 240         return 0;
 241 }
 242
 243
 244 int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
 245 {
 246         int retval = 0;
 247         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 248         struct resource *pres;
 249
 250         PRINTK_2(TRACE_TP3780I,
 251                 "tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
 252
 253         pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 254         if ( pres == NULL ) retval = -EIO;
 255
 256         if (retval) {
 257                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
 258                 retval = -EIO;
 259         }
 260
 261         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
 262
 263         return retval;
 264 }
 265
 266 int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
 267 {
 268         int retval = 0;
 269         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 270
 271         PRINTK_2(TRACE_TP3780I,
 272                 "tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
 273
 274         release_region(pSettings->usDspBaseIO & (~3), 16);
 275
 276         if (pSettings->bInterruptClaimed) {
 277                 free_irq(pSettings->usDspIrq, NULL);
 278                 pSettings->bInterruptClaimed = FALSE;
 279         }
 280
 281         PRINTK_2(TRACE_TP3780I,
 282                 "tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
 283
 284         return retval;
 285 }
 286
 287
 288
 289 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 290 {
 291         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 292         BOOLEAN bDSPPoweredUp = FALSE, bInterruptAllocated = FALSE;
 293
 294         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
 295
 296         if (pBDData->bDSPEnabled) {
 297                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
 298                 goto exit_cleanup;
 299         }
 300
 301         if (!pSettings->bDSPEnabled) {
 302                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
 303                 goto exit_cleanup;
 304         }
 305
 306         if (
 307                 (pSettings->usDspIrq >= s_numIrqs)
 308                 || (pSettings->usDspDma >= s_numDmas)
 309                 || (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
 310                 || (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
 311         ) {
 312                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
 313                 goto exit_cleanup;
 314         }
 315
 316         if (
 317                 ((pSettings->usDspBaseIO & 0xF00F) != 0)
 318                 || (pSettings->usDspBaseIO & 0x0FF0) == 0
 319         ) {
 320                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
 321                 goto exit_cleanup;
 322         }
 323
 324         if (pSettings->bModemEnabled) {
 325                 if (
 326                         pSettings->usUartIrq >= s_numIrqs
 327                         || s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
 328                 ) {
 329                         PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
 330                         goto exit_cleanup;
 331                 }
 332                 switch (pSettings->usUartBaseIO) {
 333                         case 0x03F8:
 334                         case 0x02F8:
 335                         case 0x03E8:
 336                         case 0x02E8:
 337                                 break;
 338
 339                         default:
 340                                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
 341                                 goto exit_cleanup;
 342                 }
 343         }
 344
 345         pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
 346         pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;
 347
 348         if (pBDData->bShareDspIrq) {
 349                 pSettings->bDspIrqActiveLow = FALSE;
 350         }
 351         if (pBDData->bShareUartIrq) {
 352                 pSettings->bUartIrqActiveLow = FALSE;
 353         }
 354
 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;
 367
 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);
 371                 goto exit_cleanup;
 372         } else {                /* no conflict just release */
 373                 free_irq(pSettings->usUartIrq, NULL);
 374         }
 375
 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);
 379                 goto exit_cleanup;
 380         } else {
 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;
 386         }
 387
 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");
 391                 goto exit_cleanup;
 392         } else {
 393                 bDSPPoweredUp = TRUE;
 394         }
 395
 396         if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
 397                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
 398                 goto exit_cleanup;
 399         }
 400
 401         EnableSRAM(pBDData);
 402
 403         pBDData->bDSPEnabled = TRUE;
 404
 405         PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
 406
 407         return 0;
 408
 409 exit_cleanup:
 410         PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
 411         if (bDSPPoweredUp)
 412                 smapi_set_DSP_power_state(FALSE);
 413         if (bInterruptAllocated) {
 414                 free_irq(pSettings->usDspIrq, NULL);
 415                 pSettings->bInterruptClaimed = FALSE;
 416         }
 417         return -EIO;
 418 }
 419
 420
 421 int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
 422 {
 423         int retval = 0;
 424         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 425
 426         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
 427
 428         if (pBDData->bDSPEnabled) {
 429                 dsp3780I_DisableDSP(&pBDData->rDspSettings);
 430                 if (pSettings->bInterruptClaimed) {
 431                         free_irq(pSettings->usDspIrq, NULL);
 432                         pSettings->bInterruptClaimed = FALSE;
 433                 }
 434                 smapi_set_DSP_power_state(FALSE);
 435                 pBDData->bDSPEnabled = FALSE;
 436         }
 437
 438         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
 439
 440         return retval;
 441 }
 442
 443
 444 int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)
 445 {
 446         int retval = 0;
 447         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 448
 449         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",
 450                 pBDData);
 451
 452         if (dsp3780I_Reset(pSettings) == 0) {
 453                 EnableSRAM(pBDData);
 454         } else {
 455                 retval = -EIO;
 456         }
 457
 458         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);
 459
 460         return retval;
 461 }
 462
 463
 464 int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
 465 {
 466         int retval = 0;
 467         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 468
 469         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
 470
 471         if (dsp3780I_Run(pSettings) == 0) {
 472                 // @BUG @TBD EnableSRAM(pBDData);
 473         } else {
 474                 retval = -EIO;
 475         }
 476
 477         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
 478
 479         return retval;
 480 }
 481
 482
 483 int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
 484 {
 485         int retval = 0;
 486
 487         PRINTK_2(TRACE_TP3780I,
 488                 "tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
 489
 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;
 495
 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;
 505
 506         /* Fill out Mwave OS and BIOS task names */
 507
 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));
 512
 513         PRINTK_1(TRACE_TP3780I,
 514                 "tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
 515
 516         return retval;
 517 }
 518
 519 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 520                                void __user *pvBuffer, unsigned int uCount,
 521                                unsigned long ulDSPAddr)
 522 {
 523         int retval = 0;
 524         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 525         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 526         BOOLEAN bRC = 0;
 527
 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);
 531
 532         if (pBDData->bDSPEnabled) {
 533                 switch (uOpcode) {
 534                 case IOCTL_MW_READ_DATA:
 535                         bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 536                         break;
 537
 538                 case IOCTL_MW_READCLEAR_DATA:
 539                         bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 540                         break;
 541
 542                 case IOCTL_MW_WRITE_DATA:
 543                         bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 544                         break;
 545                 }
 546         }
 547
 548         retval = (bRC) ? -EIO : 0;
 549         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
 550
 551         return retval;
 552 }
 553
 554
 555 int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 556                                void __user *pvBuffer, unsigned int uCount,
 557                                unsigned long ulDSPAddr)
 558 {
 559         int retval = 0;
 560         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 561         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 562         BOOLEAN bRC = 0;
 563
 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);
 567
 568         if (pBDData->bDSPEnabled) {
 569                 switch (uOpcode) {
 570                 case IOCTL_MW_READ_INST:
 571                         bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 572                         break;
 573
 574                 case IOCTL_MW_WRITE_INST:
 575                         bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 576                         break;
 577                 }
 578         }
 579
 580         retval = (bRC) ? -EIO : 0;
 581
 582         PRINTK_2(TRACE_TP3780I,
 583                 "tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
 584
 585         return retval;
 586 }
 587