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 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
 246         struct resource *pres;
 247 #endif
 248
 249         PRINTK_2(TRACE_TP3780I,
 250                 "tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
 251
 252 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
 253         pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 254         if ( pres == NULL ) retval = -EIO;
 255 #else
 256         retval = check_region(pSettings->usDspBaseIO, 16);
 257         if (!retval) request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 258 #endif
 259         if (retval) {
 260                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
 261                 retval = -EIO;
 262         }
 263
 264         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
 265
 266         return retval;
 267 }
 268
 269 int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
 270 {
 271         int retval = 0;
 272         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 273
 274         PRINTK_2(TRACE_TP3780I,
 275                 "tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
 276
 277         release_region(pSettings->usDspBaseIO & (~3), 16);
 278
 279         if (pSettings->bInterruptClaimed) {
 280                 free_irq(pSettings->usDspIrq, NULL);
 281                 pSettings->bInterruptClaimed = FALSE;
 282         }
 283
 284         PRINTK_2(TRACE_TP3780I,
 285                 "tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
 286
 287         return retval;
 288 }
 289
 290
 291
 292 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 293 {
 294         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 295         BOOLEAN bDSPPoweredUp = FALSE, bDSPEnabled = FALSE, bInterruptAllocated = FALSE;
 296
 297         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
 298
 299         if (pBDData->bDSPEnabled) {
 300                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
 301                 goto exit_cleanup;
 302         }
 303
 304         if (!pSettings->bDSPEnabled) {
 305                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
 306                 goto exit_cleanup;
 307         }
 308
 309         if (
 310                 (pSettings->usDspIrq >= s_numIrqs)
 311                 || (pSettings->usDspDma >= s_numDmas)
 312                 || (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
 313                 || (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
 314         ) {
 315                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
 316                 goto exit_cleanup;
 317         }
 318
 319         if (
 320                 ((pSettings->usDspBaseIO & 0xF00F) != 0)
 321                 || (pSettings->usDspBaseIO & 0x0FF0) == 0
 322         ) {
 323                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
 324                 goto exit_cleanup;
 325         }
 326
 327         if (pSettings->bModemEnabled) {
 328                 if (
 329                         pSettings->usUartIrq >= s_numIrqs
 330                         || s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
 331                 ) {
 332                         PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
 333                         goto exit_cleanup;
 334                 }
 335                 switch (pSettings->usUartBaseIO) {
 336                         case 0x03F8:
 337                         case 0x02F8:
 338                         case 0x03E8:
 339                         case 0x02E8:
 340                                 break;
 341
 342                         default:
 343                                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
 344                                 goto exit_cleanup;
 345                 }
 346         }
 347
 348         pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
 349         pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;
 350
 351         if (pBDData->bShareDspIrq) {
 352                 pSettings->bDspIrqActiveLow = FALSE;
 353         }
 354         if (pBDData->bShareUartIrq) {
 355                 pSettings->bUartIrqActiveLow = FALSE;
 356         }
 357
 358         pSettings->usNumTransfers = TP_CFG_NumTransfers;
 359         pSettings->usReRequest = TP_CFG_RerequestTimer;
 360         pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
 361         pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
 362         pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
 363         pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
 364         pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
 365         pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
 366         pSettings->usN_Divisor = TP_CFG_N_Divisor;
 367         pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
 368         pSettings->bPllBypass = TP_CFG_PllBypass;
 369         pSettings->usChipletEnable = TP_CFG_ChipletEnable;
 370
 371         if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
 372                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
 373                 goto exit_cleanup;
 374         } else {                /* no conflict just release */
 375                 free_irq(pSettings->usUartIrq, NULL);
 376         }
 377
 378         if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
 379                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
 380                 goto exit_cleanup;
 381         } else {
 382                 PRINTK_3(TRACE_TP3780I,
 383                         "tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
 384                         pSettings->usDspIrq, pBDData->bShareDspIrq);
 385                 bInterruptAllocated = TRUE;
 386                 pSettings->bInterruptClaimed = TRUE;
 387         }
 388
 389         smapi_set_DSP_power_state(FALSE);
 390         if (smapi_set_DSP_power_state(TRUE)) {
 391                 PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n");
 392                 goto exit_cleanup;
 393         } else {
 394                 bDSPPoweredUp = TRUE;
 395         }
 396
 397         if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
 398                 PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
 399                 goto exit_cleanup;
 400         } else {
 401                 bDSPEnabled = TRUE;
 402         }
 403
 404         EnableSRAM(pBDData);
 405
 406         pBDData->bDSPEnabled = TRUE;
 407
 408         PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
 409
 410         return 0;
 411
 412 exit_cleanup:
 413         PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
 414         if (bDSPEnabled)
 415                 dsp3780I_DisableDSP(pSettings);
 416         if (bDSPPoweredUp)
 417                 smapi_set_DSP_power_state(FALSE);
 418         if (bInterruptAllocated) {
 419                 free_irq(pSettings->usDspIrq, NULL);
 420                 pSettings->bInterruptClaimed = FALSE;
 421         }
 422         return -EIO;
 423 }
 424
 425
 426 int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
 427 {
 428         int retval = 0;
 429         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 430
 431         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
 432
 433         if (pBDData->bDSPEnabled) {
 434                 dsp3780I_DisableDSP(&pBDData->rDspSettings);
 435                 if (pSettings->bInterruptClaimed) {
 436                         free_irq(pSettings->usDspIrq, NULL);
 437                         pSettings->bInterruptClaimed = FALSE;
 438                 }
 439                 smapi_set_DSP_power_state(FALSE);
 440                 pBDData->bDSPEnabled = FALSE;
 441         }
 442
 443         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
 444
 445         return retval;
 446 }
 447
 448
 449 int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)
 450 {
 451         int retval = 0;
 452         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 453
 454         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",
 455                 pBDData);
 456
 457         if (dsp3780I_Reset(pSettings) == 0) {
 458                 EnableSRAM(pBDData);
 459         } else {
 460                 retval = -EIO;
 461         }
 462
 463         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);
 464
 465         return retval;
 466 }
 467
 468
 469 int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
 470 {
 471         int retval = 0;
 472         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 473
 474         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
 475
 476         if (dsp3780I_Run(pSettings) == 0) {
 477                 // @BUG @TBD EnableSRAM(pBDData);
 478         } else {
 479                 retval = -EIO;
 480         }
 481
 482         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
 483
 484         return retval;
 485 }
 486
 487
 488 int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
 489 {
 490         int retval = 0;
 491
 492         PRINTK_2(TRACE_TP3780I,
 493                 "tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
 494
 495         /* fill out standard constant fields */
 496         pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
 497         pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
 498         pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
 499         pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
 500
 501         /* fill out dynamically determined fields */
 502         pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
 503         pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
 504         pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
 505         pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
 506         pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
 507         pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
 508         pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
 509         pAbilities->component_count = 7;
 510
 511         /* Fill out Mwave OS and BIOS task names */
 512
 513         memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
 514                 sizeof(TP_ABILITIES_MWAVEOS_NAME));
 515         memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
 516                 sizeof(TP_ABILITIES_BIOSTASK_NAME));
 517
 518         PRINTK_1(TRACE_TP3780I,
 519                 "tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
 520
 521         return retval;
 522 }
 523
 524 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 525                                void __user *pvBuffer, unsigned int uCount,
 526                                unsigned long ulDSPAddr)
 527 {
 528         int retval = 0;
 529         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 530         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 531         BOOLEAN bRC = 0;
 532
 533         PRINTK_6(TRACE_TP3780I,
 534                 "tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
 535                 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
 536
 537         if (pBDData->bDSPEnabled) {
 538                 switch (uOpcode) {
 539                 case IOCTL_MW_READ_DATA:
 540                         bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 541                         break;
 542
 543                 case IOCTL_MW_READCLEAR_DATA:
 544                         bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 545                         break;
 546
 547                 case IOCTL_MW_WRITE_DATA:
 548                         bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 549                         break;
 550                 }
 551         }
 552
 553         retval = (bRC) ? -EIO : 0;
 554         PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
 555
 556         return retval;
 557 }
 558
 559
 560 int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
 561                                void __user *pvBuffer, unsigned int uCount,
 562                                unsigned long ulDSPAddr)
 563 {
 564         int retval = 0;
 565         DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
 566         unsigned short usDspBaseIO = pSettings->usDspBaseIO;
 567         BOOLEAN bRC = 0;
 568
 569         PRINTK_6(TRACE_TP3780I,
 570                 "tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
 571                 pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
 572
 573         if (pBDData->bDSPEnabled) {
 574                 switch (uOpcode) {
 575                 case IOCTL_MW_READ_INST:
 576                         bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 577                         break;
 578
 579                 case IOCTL_MW_WRITE_INST:
 580                         bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
 581                         break;
 582                 }
 583         }
 584
 585         retval = (bRC) ? -EIO : 0;
 586
 587         PRINTK_2(TRACE_TP3780I,
 588                 "tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
 589
 590         return retval;
 591 }
 592