xref: /linux/drivers/char/mwave/tp3780i.c (revision 762f99f4f3cb41a775b5157dd761217beba65873)
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 
EnableSRAM(THINKPAD_BD_DATA * pBDData)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 
UartInterrupt(int irq,void * dev_id)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 
DspInterrupt(int irq,void * dev_id)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 
tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)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 
tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)180 void tp3780I_Cleanup(THINKPAD_BD_DATA *pBDData)
181 {
182 	PRINTK_2(TRACE_TP3780I,
183 		"tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
184 }
185 
tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)186 int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
187 {
188 	SMAPI_DSP_SETTINGS rSmapiInfo;
189 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
190 
191 	PRINTK_2(TRACE_TP3780I,
192 		"tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);
193 
194 	if (smapi_query_DSP_cfg(&rSmapiInfo)) {
195 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
196 		return -EIO;
197 	}
198 
199 	/* Sanity check */
200 	if (
201 		( rSmapiInfo.usDspIRQ == 0 )
202 		|| ( rSmapiInfo.usDspBaseIO ==  0 )
203 		|| ( rSmapiInfo.usUartIRQ ==  0 )
204 		|| ( rSmapiInfo.usUartBaseIO ==  0 )
205 	) {
206 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
207 		return -EIO;
208 	}
209 
210 	pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
211 	pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
212 	pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
213 	pSettings->usDspDma = rSmapiInfo.usDspDMA;
214 	pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
215 	pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
216 	pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;
217 
218 	pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
219 	pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
220 	pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;
221 
222 	if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
223 		pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
224 	} else {
225 		pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
226 	}
227 
228 	PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");
229 
230 	return 0;
231 }
232 
233 
tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)234 int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
235 {
236 	int retval = 0;
237 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
238 	struct resource *pres;
239 
240 	PRINTK_2(TRACE_TP3780I,
241 		"tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
242 
243 	pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
244 	if ( pres == NULL ) retval = -EIO;
245 
246 	if (retval) {
247 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
248 		retval = -EIO;
249 	}
250 
251 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
252 
253 	return retval;
254 }
255 
tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)256 int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
257 {
258 	int retval = 0;
259 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
260 
261 	PRINTK_2(TRACE_TP3780I,
262 		"tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
263 
264 	release_region(pSettings->usDspBaseIO & (~3), 16);
265 
266 	if (pSettings->bInterruptClaimed) {
267 		free_irq(pSettings->usDspIrq, NULL);
268 		pSettings->bInterruptClaimed = false;
269 	}
270 
271 	PRINTK_2(TRACE_TP3780I,
272 		"tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
273 
274 	return retval;
275 }
276 
277 
278 
tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)279 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
280 {
281 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
282 	bool bDSPPoweredUp = false, bInterruptAllocated = false;
283 
284 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
285 
286 	if (pBDData->bDSPEnabled) {
287 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
288 		goto exit_cleanup;
289 	}
290 
291 	if (!pSettings->bDSPEnabled) {
292 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
293 		goto exit_cleanup;
294 	}
295 
296 	if (
297 		(pSettings->usDspIrq >= s_numIrqs)
298 		|| (pSettings->usDspDma >= s_numDmas)
299 		|| (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
300 		|| (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
301 	) {
302 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
303 		goto exit_cleanup;
304 	}
305 
306 	if (
307 		((pSettings->usDspBaseIO & 0xF00F) != 0)
308 		|| (pSettings->usDspBaseIO & 0x0FF0) == 0
309 	) {
310 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
311 		goto exit_cleanup;
312 	}
313 
314 	if (pSettings->bModemEnabled) {
315 		if (
316 			pSettings->usUartIrq >= s_numIrqs
317 			|| s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
318 		) {
319 			PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
320 			goto exit_cleanup;
321 		}
322 		switch (pSettings->usUartBaseIO) {
323 			case 0x03F8:
324 			case 0x02F8:
325 			case 0x03E8:
326 			case 0x02E8:
327 				break;
328 
329 			default:
330 				PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
331 				goto exit_cleanup;
332 		}
333 	}
334 
335 	pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = true;
336 	pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = true;
337 
338 	if (pBDData->bShareDspIrq) {
339 		pSettings->bDspIrqActiveLow = false;
340 	}
341 	if (pBDData->bShareUartIrq) {
342 		pSettings->bUartIrqActiveLow = false;
343 	}
344 
345 	pSettings->usNumTransfers = TP_CFG_NumTransfers;
346 	pSettings->usReRequest = TP_CFG_RerequestTimer;
347 	pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
348 	pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
349 	pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
350 	pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
351 	pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
352 	pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
353 	pSettings->usN_Divisor = TP_CFG_N_Divisor;
354 	pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
355 	pSettings->bPllBypass = TP_CFG_PllBypass;
356 	pSettings->usChipletEnable = TP_CFG_ChipletEnable;
357 
358 	if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
359 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
360 		goto exit_cleanup;
361 	} else {		/* no conflict just release */
362 		free_irq(pSettings->usUartIrq, NULL);
363 	}
364 
365 	if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
366 		PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
367 		goto exit_cleanup;
368 	} else {
369 		PRINTK_3(TRACE_TP3780I,
370 			"tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
371 			pSettings->usDspIrq, pBDData->bShareDspIrq);
372 		bInterruptAllocated = true;
373 		pSettings->bInterruptClaimed = true;
374 	}
375 
376 	smapi_set_DSP_power_state(false);
377 	if (smapi_set_DSP_power_state(true)) {
378 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(true) failed\n");
379 		goto exit_cleanup;
380 	} else {
381 		bDSPPoweredUp = true;
382 	}
383 
384 	if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
385 		PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
386 		goto exit_cleanup;
387 	}
388 
389 	EnableSRAM(pBDData);
390 
391 	pBDData->bDSPEnabled = true;
392 
393 	PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
394 
395 	return 0;
396 
397 exit_cleanup:
398 	PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
399 	if (bDSPPoweredUp)
400 		smapi_set_DSP_power_state(false);
401 	if (bInterruptAllocated) {
402 		free_irq(pSettings->usDspIrq, NULL);
403 		pSettings->bInterruptClaimed = false;
404 	}
405 	return -EIO;
406 }
407 
408 
tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)409 int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
410 {
411 	int retval = 0;
412 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
413 
414 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
415 
416 	if (pBDData->bDSPEnabled) {
417 		dsp3780I_DisableDSP(&pBDData->rDspSettings);
418 		if (pSettings->bInterruptClaimed) {
419 			free_irq(pSettings->usDspIrq, NULL);
420 			pSettings->bInterruptClaimed = false;
421 		}
422 		smapi_set_DSP_power_state(false);
423 		pBDData->bDSPEnabled = false;
424 	}
425 
426 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
427 
428 	return retval;
429 }
430 
431 
tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)432 int tp3780I_ResetDSP(THINKPAD_BD_DATA * pBDData)
433 {
434 	int retval = 0;
435 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
436 
437 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n",
438 		pBDData);
439 
440 	if (dsp3780I_Reset(pSettings) == 0) {
441 		EnableSRAM(pBDData);
442 	} else {
443 		retval = -EIO;
444 	}
445 
446 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP exit retval %x\n", retval);
447 
448 	return retval;
449 }
450 
451 
tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)452 int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
453 {
454 	int retval = 0;
455 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
456 
457 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
458 
459 	if (dsp3780I_Run(pSettings) == 0) {
460 		// @BUG @TBD EnableSRAM(pBDData);
461 	} else {
462 		retval = -EIO;
463 	}
464 
465 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
466 
467 	return retval;
468 }
469 
470 
tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData,MW_ABILITIES * pAbilities)471 int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
472 {
473 	PRINTK_2(TRACE_TP3780I,
474 		"tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
475 
476 	memset(pAbilities, 0, sizeof(*pAbilities));
477 	/* fill out standard constant fields */
478 	pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
479 	pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
480 	pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
481 	pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
482 
483 	/* fill out dynamically determined fields */
484 	pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
485 	pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
486 	pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
487 	pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
488 	pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
489 	pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
490 	pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
491 	pAbilities->component_count = 7;
492 
493 	/* Fill out Mwave OS and BIOS task names */
494 
495 	memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
496 		sizeof(TP_ABILITIES_MWAVEOS_NAME));
497 	memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
498 		sizeof(TP_ABILITIES_BIOSTASK_NAME));
499 
500 	PRINTK_1(TRACE_TP3780I,
501 		"tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
502 
503 	return 0;
504 }
505 
tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData,unsigned int uOpcode,void __user * pvBuffer,unsigned int uCount,unsigned long ulDSPAddr)506 int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
507                                void __user *pvBuffer, unsigned int uCount,
508                                unsigned long ulDSPAddr)
509 {
510 	int retval = 0;
511 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
512 	unsigned short usDspBaseIO = pSettings->usDspBaseIO;
513 	bool bRC = 0;
514 
515 	PRINTK_6(TRACE_TP3780I,
516 		"tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
517 		pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
518 
519 	if (pBDData->bDSPEnabled) {
520 		switch (uOpcode) {
521 		case IOCTL_MW_READ_DATA:
522 			bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
523 			break;
524 
525 		case IOCTL_MW_READCLEAR_DATA:
526 			bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
527 			break;
528 
529 		case IOCTL_MW_WRITE_DATA:
530 			bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
531 			break;
532 		}
533 	}
534 
535 	retval = (bRC) ? -EIO : 0;
536 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval);
537 
538 	return retval;
539 }
540 
541 
tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData,unsigned int uOpcode,void __user * pvBuffer,unsigned int uCount,unsigned long ulDSPAddr)542 int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
543                                void __user *pvBuffer, unsigned int uCount,
544                                unsigned long ulDSPAddr)
545 {
546 	int retval = 0;
547 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
548 	unsigned short usDspBaseIO = pSettings->usDspBaseIO;
549 	bool bRC = 0;
550 
551 	PRINTK_6(TRACE_TP3780I,
552 		"tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
553 		pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
554 
555 	if (pBDData->bDSPEnabled) {
556 		switch (uOpcode) {
557 		case IOCTL_MW_READ_INST:
558 			bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
559 			break;
560 
561 		case IOCTL_MW_WRITE_INST:
562 			bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
563 			break;
564 		}
565 	}
566 
567 	retval = (bRC) ? -EIO : 0;
568 
569 	PRINTK_2(TRACE_TP3780I,
570 		"tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
571 
572 	return retval;
573 }
574 
575