xref: /linux/drivers/char/mwave/tp3780i.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 	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 	BOOLEAN 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 	BOOLEAN 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 
581