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/version.h>
  50 #include <linux/interrupt.h>
  51 #include <linux/kernel.h>
  52 #include <linux/ptrace.h>
  53 #include <linux/ioport.h>
  54 #include <asm/io.h>
  55 #include "smapi.h"
  56 #include "mwavedd.h"
  57 #include "tp3780i.h"
  58 #include "3780i.h"
  59 #include "mwavepub.h"
  60
  61 extern MWAVE_DEVICE_DATA mwave_s_mdd;
  62
  63 static unsigned short s_ausThinkpadIrqToField[16] =
  64         { 0xFFFF, 0xFFFF, 0xFFFF, 0x0001, 0x0002, 0x0003, 0xFFFF, 0x0004,
  65         0xFFFF, 0xFFFF, 0x0005, 0x0006, 0xFFFF, 0xFFFF, 0xFFFF, 0x0007 };
  66 static unsigned short s_ausThinkpadDmaToField[8] =
  67         { 0x0001, 0x0002, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0003, 0x0004 };
  68 static unsigned short s_numIrqs = 16, s_numDmas = 8;
  69
  70
  71 static void EnableSRAM(THINKPAD_BD_DATA * pBDData)
  72 {
  73         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
  74         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
  75         DSP_GPIO_OUTPUT_DATA_15_8 rGpioOutputData;
  76         DSP_GPIO_DRIVER_ENABLE_15_8 rGpioDriverEnable;
  77         DSP_GPIO_MODE_15_8 rGpioMode;
  78
  79         PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n");
  80
  81         MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8);
  82         rGpioMode.GpioMode10 = 0;
  83         WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode));
  84
  85         MKWORD(rGpioDriverEnable) = 0;
  86         rGpioDriverEnable.Enable10 = TRUE;
  87         rGpioDriverEnable.Mask10 = TRUE;
  88         WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable));
  89
  90         MKWORD(rGpioOutputData) = 0;
  91         rGpioOutputData.Latch10 = 0;
  92         rGpioOutputData.Mask10 = TRUE;
  93         WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData));
  94
  95         PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n");
  96 }
  97
  98
  99 static irqreturn_t UartInterrupt(int irq, void *dev_id, struct pt_regs *regs)
 100 {
 101         PRINTK_3(TRACE_TP3780I,
 102                 "tp3780i::UartInterrupt entry irq %x dev_id %p\n", irq, dev_id);
 103         return IRQ_HANDLED;
 104 }
 105
 106 static irqreturn_t DspInterrupt(int irq, void *dev_id, struct pt_regs *regs)
 107 {
 108         pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
 109         DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
 110         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 111         unsigned short usIPCSource = 0, usIsolationMask, usPCNum;
 112
 113         PRINTK_3(TRACE_TP3780I,
 114                 "tp3780i::DspInterrupt entry irq %x dev_id %p\n", irq, dev_id);
 115
 116         if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
 117                 PRINTK_2(TRACE_TP3780I,
 118                         "tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
 119                         usIPCSource);
 120                 usIsolationMask = 1;
 121                 for (usPCNum = 1; usPCNum <= 16; usPCNum++) {
 122                         if (usIPCSource & usIsolationMask) {
 123                                 usIPCSource &= ~usIsolationMask;
 124                                 PRINTK_3(TRACE_TP3780I,
 125                                         "tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",
 126                                         usPCNum, usIPCSource);
 127                                 if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {
 128                                         pDrvData->IPCs[usPCNum - 1].usIntCount = 1;
 129                                 }
 130                                 PRINTK_2(TRACE_TP3780I,
 131                                         "tp3780i::DspInterrupt usIntCount %x\n",
 132                                         pDrvData->IPCs[usPCNum - 1].usIntCount);
 133                                 if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == TRUE) {
 134                                         PRINTK_2(TRACE_TP3780I,
 135                                                 "tp3780i::DspInterrupt, waking up usPCNum %x\n",
 136                                                 usPCNum - 1);
 137                                         wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
 138                                 } else {
 139                                         PRINTK_2(TRACE_TP3780I,
 140                                                 "tp3780i::DspInterrupt, no one waiting for IPC %x\n",
 141                                                 usPCNum - 1);
 142                                 }
 143                         }
 144                         if (usIPCSource == 0)
 145                                 break;
 146                         /* try next IPC */
 147                         usIsolationMask = usIsolationMask << 1;
 148                 }
 149         } else {
 150                 PRINTK_1(TRACE_TP3780I,
 151                         "tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
 152         }
 153         PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
 154         return IRQ_HANDLED;
 155 }
 156
 157
 158 int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
 159 {
 160         int retval = 0;
 161         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 162
 163
 164         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);
 165
 166         pBDData->bDSPEnabled = FALSE;
 167         pSettings->bInterruptClaimed = FALSE;
 168
 169         retval = smapi_init();
 170         if (retval) {
 171                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
 172         } else {
 173                 if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {
 174                         retval = smapi_set_DSP_cfg();
 175                 }
 176         }
 177
 178         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);
 179
 180         return retval;
 181 }
 182
 183 int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
 184 {
 185         int retval = 0;
 186
 187         PRINTK_2(TRACE_TP3780I,
 188                 "tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
 189
 190         return retval;
 191 }
 192
 193 int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
 194 {
 195         SMAPI_DSP_SETTINGS rSmapiInfo;
 196         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 197
 198         PRINTK_2(TRACE_TP3780I,
 199                 "tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);
 200
 201         if (smapi_query_DSP_cfg(&rSmapiInfo)) {
 202                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
 203                 return -EIO;
 204         }
 205
 206         /* Sanity check */
 207         if (
 208                 ( rSmapiInfo.usDspIRQ == 0 )
 209                 || ( rSmapiInfo.usDspBaseIO ==  0 )
 210                 || ( rSmapiInfo.usUartIRQ ==  0 )
 211                 || ( rSmapiInfo.usUartBaseIO ==  0 )
 212         ) {
 213                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
 214                 return -EIO;
 215         }
 216
 217         pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
 218         pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
 219         pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
 220         pSettings->usDspDma = rSmapiInfo.usDspDMA;
 221         pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
 222         pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
 223         pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;
 224
 225         pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
 226         pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
 227         pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;
 228
 229         if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
 230                 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
 231         } else {
 232                 pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
 233         }
 234
 235         PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");
 236
 237         return 0;
 238 }
 239
 240
 241 int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
 242 {
 243         int retval = 0;
 244         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 245         struct resource *pres;
 246
 247         PRINTK_2(TRACE_TP3780I,
 248                 "tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
 249
 250         pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 251         if ( pres == NULL ) retval = -EIO;
 252
 253         if (retval) {
 254                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
 255                 retval = -EIO;
 256         }
 257
 258         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
 259
 260         return retval;
 261 }
 262
 263 int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
 264 {
 265         int retval = 0;
 266         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 267
 268         PRINTK_2(TRACE_TP3780I,
 269                 "tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
 270
 271         release_region(pSettings->usDspBaseIO & (~3), 16);
 272
 273         if (pSettings->bInterruptClaimed) {
 274                 free_irq(pSettings->usDspIrq, NULL);
 275                 pSettings->bInterruptClaimed = FALSE;
 276         }
 277
 278         PRINTK_2(TRACE_TP3780I,
 279                 "tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
 280
 281         return retval;
 282 }
 283
 284
 285
 286 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 287 {
 288         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 289         BOOLEAN bDSPPoweredUp = FALSE, bInterruptAllocated = FALSE;
 290
 291         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
 292
 293         if (pBDData->bDSPEnabled) {
 294                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
 295                 goto exit_cleanup;
 296         }
 297
 298         if (!pSettings->bDSPEnabled) {
 299                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
 300                 goto exit_cleanup;
 301         }
 302
 303         if (
 304                 (pSettings->usDspIrq >= s_numIrqs)
 305                 || (pSettings->usDspDma >= s_numDmas)
 306                 || (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
 307                 || (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
 308         ) {
 309                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
 310                 goto exit_cleanup;
 311         }
 312
 313         if (
 314                 ((pSettings->usDspBaseIO & 0xF00F) != 0)
 315                 || (pSettings->usDspBaseIO & 0x0FF0) == 0
 316         ) {
 317                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
 318                 goto exit_cleanup;
 319         }
 320
 321         if (pSettings->bModemEnabled) {
 322                 if (
 323                         pSettings->usUartIrq >= s_numIrqs
 324                         || s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
 325                 ) {
 326                         PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
 327                         goto exit_cleanup;
 328                 }
 329                 switch (pSettings->usUartBaseIO) {
 330                         case 0x03F8:
 331                         case 0x02F8:
 332                         case 0x03E8:
 333                         case 0x02E8:
 334                                 break;
 335
 336                         default:
 337                                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
 338                                 goto exit_cleanup;
 339                 }
 340         }
 341
 342         pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
 343         pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;
 344
 345         if (pBDData->bShareDspIrq) {
 346                 pSettings->bDspIrqActiveLow = FALSE;
 347         }
 348         if (pBDData->bShareUartIrq) {
 349                 pSettings->bUartIrqActiveLow = FALSE;
 350         }
 351
 352         pSettings->usNumTransfers = TP_CFG_NumTransfers;
 353         pSettings->usReRequest = TP_CFG_RerequestTimer;
 354         pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
 355         pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
 356         pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
 357         pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
 358         pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
 359         pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
 360         pSettings->usN_Divisor = TP_CFG_N_Divisor;
 361         pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
 362         pSettings->bPllBypass = TP_CFG_PllBypass;
 363         pSettings->usChipletEnable = TP_CFG_ChipletEnable;
 364
 365         if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
 366                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
 367                 goto exit_cleanup;
 368         } else {                /* no conflict just release */
 369                 free_irq(pSettings->usUartIrq, NULL);
 370         }
 371
 372         if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
 373                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
 374                 goto exit_cleanup;
 375         } else {
 376                 PRINTK_3(TRACE_TP3780I,
 377                         "tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
 378                         pSettings->usDspIrq, pBDData->bShareDspIrq);
 379                 bInterruptAllocated = TRUE;
 380                 pSettings->bInterruptClaimed = TRUE;
 381         }
 382
 383         smapi_set_DSP_power_state(FALSE);
 384         if (smapi_set_DSP_power_state(TRUE)) {
 385                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n");
 386                 goto exit_cleanup;
 387         } else {
 388                 bDSPPoweredUp = TRUE;
 389         }
 390
 391         if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
 392                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
 393                 goto exit_cleanup;
 394         }
 395
 396         EnableSRAM(pBDData);
 397
 398         pBDData->bDSPEnabled = TRUE;
 399
 400         PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
 401
 402         return 0;
 403
 404 exit_cleanup:
 405         PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
 406         if (bDSPPoweredUp)
 407                 smapi_set_DSP_power_state(FALSE);
 408         if (bInterruptAllocated) {
 409                 free_irq(pSettings->usDspIrq, NULL);
 410                 pSettings->bInterruptClaimed = FALSE;
 411         }
 412         return -EIO;
 413 }
 414
 415
 416 int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
 417 {
 418         int retval = 0;
 419         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 420
 421         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
 422
 423         if (pBDData->bDSPEnabled) {
 424                 dsp3780I_DisableDSP(&pBDData->rDspSettings);
 425                 if (pSettings->bInterruptClaimed) {
 426                         free_irq(pSettings->usDspIrq, NULL);
 427                         pSettings->bInterruptClaimed = FALSE;
 428                 }
 429                 smapi_set_DSP_power_state(FALSE);
 430                 pBDData->bDSPEnabled = FALSE;
 431         }
 432
 433         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
 434
 435         return retval;
 436 }
 437
 438
 439 int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)
 440 {
 441         int retval = 0;
 442         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 443
 444         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",
 445                 pBDData);
 446
 447         if (dsp3780I_Reset(pSettings) == 0) {
 448                 EnableSRAM(pBDData);
 449         } else {
 450                 retval = -EIO;
 451         }
 452
 453         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);
 454
 455         return retval;
 456 }
 457
 458
 459 int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
 460 {
 461         int retval = 0;
 462         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 463
 464         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
 465
 466         if (dsp3780I_Run(pSettings) == 0) {
 467                 // @BUG @TBD EnableSRAM(pBDData);
 468         } else {
 469                 retval = -EIO;
 470         }
 471
 472         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
 473
 474         return retval;
 475 }
 476
 477
 478 int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
 479 {
 480         int retval = 0;
 481
 482         PRINTK_2(TRACE_TP3780I,
 483                 "tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
 484
 485         /* fill out standard constant fields */
 486         pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
 487         pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
 488         pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
 489         pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
 490
 491         /* fill out dynamically determined fields */
 492         pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
 493         pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
 494         pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
 495         pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
 496         pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
 497         pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
 498         pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
 499         pAbilities->component_count = 7;
 500
 501         /* Fill out Mwave OS and BIOS task names */
 502
 503         memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
 504                 sizeof(TP_ABILITIES_MWAVEOS_NAME));
 505         memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
 506                 sizeof(TP_ABILITIES_BIOSTASK_NAME));
 507
 508         PRINTK_1(TRACE_TP3780I,
 509                 "tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
 510
 511         return retval;
 512 }
 513
 514 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 515                                void __user *pvBuffer, unsigned int uCount,
 516                                unsigned long ulDSPAddr)
 517 {
 518         int retval = 0;
 519         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 520         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 521         BOOLEAN bRC = 0;
 522
 523         PRINTK_6(TRACE_TP3780I,
 524                 "tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
 525                 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
 526
 527         if (pBDData->bDSPEnabled) {
 528                 switch (uOpcode) {
 529                 case IOCTL_MW_READ_DATA:
 530                         bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 531                         break;
 532
 533                 case IOCTL_MW_READCLEAR_DATA:
 534                         bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 535                         break;
 536
 537                 case IOCTL_MW_WRITE_DATA:
 538                         bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 539                         break;
 540                 }
 541         }
 542
 543         retval = (bRC) ? -EIO : 0;
 544         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
 545
 546         return retval;
 547 }
 548
 549
 550 int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 551                                void __user *pvBuffer, unsigned int uCount,
 552                                unsigned long ulDSPAddr)
 553 {
 554         int retval = 0;
 555         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 556         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 557         BOOLEAN bRC = 0;
 558
 559         PRINTK_6(TRACE_TP3780I,
 560                 "tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
 561                 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
 562
 563         if (pBDData->bDSPEnabled) {
 564                 switch (uOpcode) {
 565                 case IOCTL_MW_READ_INST:
 566                         bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 567                         break;
 568
 569                 case IOCTL_MW_WRITE_INST:
 570                         bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 571                         break;
 572                 }
 573         }
 574
 575         retval = (bRC) ? -EIO : 0;
 576
 577         PRINTK_2(TRACE_TP3780I,
 578                 "tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
 579
 580         return retval;
 581 }
 582