drivers/char/mwave/tp3780i.c

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

DEFINITIONS
