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tp3780i.c
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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  BOOLEAN 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  /* fill out standard constant fields */
483  pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
484  pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
485  pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
486  pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
487 
488  /* fill out dynamically determined fields */
489  pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
490  pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
491  pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
492  pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
493  pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
494  pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
495  pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
496  pAbilities->component_count = 7;
497 
498  /* Fill out Mwave OS and BIOS task names */
499 
500  memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
501  sizeof(TP_ABILITIES_MWAVEOS_NAME));
502  memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
503  sizeof(TP_ABILITIES_BIOSTASK_NAME));
504 
505  PRINTK_1(TRACE_TP3780I,
506  "tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
507 
508  return retval;
509 }
510 
511 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
512  void __user *pvBuffer, unsigned int uCount,
513  unsigned long ulDSPAddr)
514 {
515  int retval = 0;
516  DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
517  unsigned short usDspBaseIO = pSettings->usDspBaseIO;
518  BOOLEAN bRC = 0;
519 
520  PRINTK_6(TRACE_TP3780I,
521  "tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
522  pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
523 
524  if (pBDData->bDSPEnabled) {
525  switch (uOpcode) {
526  case IOCTL_MW_READ_DATA:
527  bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
528  break;
529 
530  case IOCTL_MW_READCLEAR_DATA:
531  bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
532  break;
533 
534  case IOCTL_MW_WRITE_DATA:
535  bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
536  break;
537  }
538  }
539 
540  retval = (bRC) ? -EIO : 0;
541  PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
542 
543  return retval;
544 }
545 
546 
547 int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
548  void __user *pvBuffer, unsigned int uCount,
549  unsigned long ulDSPAddr)
550 {
551  int retval = 0;
552  DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
553  unsigned short usDspBaseIO = pSettings->usDspBaseIO;
554  BOOLEAN bRC = 0;
555 
556  PRINTK_6(TRACE_TP3780I,
557  "tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
558  pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
559 
560  if (pBDData->bDSPEnabled) {
561  switch (uOpcode) {
562  case IOCTL_MW_READ_INST:
563  bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
564  break;
565 
566  case IOCTL_MW_WRITE_INST:
567  bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
568  break;
569  }
570  }
571 
572  retval = (bRC) ? -EIO : 0;
573 
574  PRINTK_2(TRACE_TP3780I,
575  "tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
576 
577  return retval;
578 }
579 
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