xref: /openbmc/linux/drivers/char/mwave/tp3780i.c (revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2)
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 
593