xref: /netbsd-src/sys/arch/mac68k/dev/pm_direct.c (revision bada23909e740596d0a3785a73bd3583a9807fb8)
1 /*	$NetBSD: pm_direct.c,v 1.8 1999/03/05 06:45:41 scottr Exp $	*/
2 
3 /*
4  * Copyright (C) 1997 Takashi Hamada
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *  This product includes software developed by Takashi Hamada
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 /* From: pm_direct.c 1.3 03/18/98 Takashi Hamada */
33 
34 #include "opt_adb.h"
35 
36 #ifdef DEBUG
37 #ifndef ADB_DEBUG
38 #define ADB_DEBUG
39 #endif
40 #endif
41 
42 /* #define	PM_GRAB_SI	1 */
43 
44 #include <sys/types.h>
45 #include <sys/cdefs.h>
46 #include <sys/systm.h>
47 
48 #include <machine/viareg.h>
49 #include <machine/param.h>
50 #include <machine/cpu.h>
51 #include <machine/adbsys.h>
52 
53 #include <mac68k/mac68k/macrom.h>
54 #include <mac68k/dev/adbvar.h>
55 #include <mac68k/dev/pm_direct.h>
56 
57 /* hardware dependent values */
58 extern u_short ADBDelay;
59 extern u_int32_t HwCfgFlags3;
60 extern struct mac68k_machine_S mac68k_machine;
61 
62 
63 /* define the types of the Power Manager */
64 #define PM_HW_UNKNOWN		0x00	/* don't know */
65 #define PM_HW_PB1XX		0x01	/* PowerBook 1XX series */
66 #define	PM_HW_PB5XX		0x02	/* PowerBook Duo and 5XX series */
67 
68 /* useful macros */
69 #define PM_SR()			via_reg(VIA1, vSR)
70 #define PM_VIA_INTR_ENABLE()	via_reg(VIA1, vIER) = 0x90
71 #define PM_VIA_INTR_DISABLE()	via_reg(VIA1, vIER) = 0x10
72 #define PM_VIA_CLR_INTR()	via_reg(VIA1, vIFR) = 0x90
73 #define PM_SET_STATE_ACKON()	via_reg(VIA2, vBufB) |= 0x04
74 #define PM_SET_STATE_ACKOFF()	via_reg(VIA2, vBufB) &= ~0x04
75 #define PM_IS_ON		(0x02 == (via_reg(VIA2, vBufB) & 0x02))
76 #define PM_IS_OFF		(0x00 == (via_reg(VIA2, vBufB) & 0x02))
77 
78 /*
79  * Variables for internal use
80  */
81 int	pmHardware = PM_HW_UNKNOWN;
82 u_short	pm_existent_ADB_devices = 0x0;	/* each bit expresses the existent ADB device */
83 u_int	pm_LCD_brightness = 0x0;
84 u_int	pm_LCD_contrast = 0x0;
85 u_int	pm_counter = 0;			/* clock count */
86 
87 /* these values shows that number of data returned after 'send' cmd is sent */
88 char pm_send_cmd_type[] = {
89 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
90 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
91 	0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
92 	0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
93 	0xff, 0x00, 0x02, 0x01, 0x01, 0xff, 0xff, 0xff,
94 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
95 	0x04, 0x14, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
96 	0x00, 0x00, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff,
97 	0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
98 	0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
99 	0x01, 0x00, 0x02, 0x02, 0xff, 0x01, 0x03, 0x01,
100 	0x00, 0x01, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff,
101 	0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
102 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
103 	0x01, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
104 	0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x04, 0x04,
105 	0x04, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
106 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
107 	0x01, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
108 	0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
109 	0x02, 0x02, 0x02, 0x04, 0xff, 0x00, 0xff, 0xff,
110 	0x01, 0x01, 0x03, 0x02, 0xff, 0xff, 0xff, 0xff,
111 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
112 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
113 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
114 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
115 	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
116 	0x01, 0x01, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff,
117 	0xff, 0x04, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff,
118 	0x03, 0xff, 0x00, 0xff, 0x00, 0xff, 0xff, 0x00,
119 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
120 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
121 };
122 
123 /* these values shows that number of data returned after 'receive' cmd is sent */
124 char pm_receive_cmd_type[] = {
125 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
126 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
127 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
128 	0x02, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
129 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
130 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
131 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
132 	0x05, 0x15, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
133 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
134 	0x02, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
135 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
136 	0x02, 0x00, 0x03, 0x03, 0xff, 0xff, 0xff, 0xff,
137 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
138 	0x04, 0x04, 0x03, 0x09, 0xff, 0xff, 0xff, 0xff,
139 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
140 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x01,
141 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
142 	0x06, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
143 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
144 	0x02, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
145 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
146 	0x02, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
147 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
148 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
149 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
150 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
151 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
152 	0x02, 0x02, 0xff, 0xff, 0x02, 0xff, 0xff, 0xff,
153 	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
154 	0xff, 0xff, 0x02, 0xff, 0xff, 0xff, 0xff, 0x00,
155 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
156 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
157 };
158 
159 
160 /*
161  * Define the private functions
162  */
163 
164 /* for debugging */
165 #ifdef ADB_DEBUG
166 void	pm_printerr __P((char *, int, int, char *));
167 #endif
168 
169 int	pm_wait_busy __P((int));
170 int	pm_wait_free __P((int));
171 
172 /* these functions are for the PB1XX series */
173 int	pm_receive_pm1 __P((u_char *));
174 int	pm_send_pm1 __P((u_char,int));
175 int	pm_pmgrop_pm1 __P((PMData *));
176 void	pm_intr_pm1 __P((void));
177 
178 /* these functions are for the PB Duo series and the PB 5XX series */
179 int	pm_receive_pm2 __P((u_char *));
180 int	pm_send_pm2 __P((u_char));
181 int	pm_pmgrop_pm2 __P((PMData *));
182 void	pm_intr_pm2 __P((void));
183 
184 /* this function is MRG-Based (for testing) */
185 int	pm_pmgrop_mrg __P((PMData *));
186 
187 /* these functions are called from adb_direct.c */
188 void	pm_setup_adb __P((void));
189 void	pm_check_adb_devices __P((int));
190 void	pm_intr __P((void));
191 int	pm_adb_op __P((u_char *, void *, void *, int));
192 
193 /* these functions also use the variables of adb_direct.c */
194 void	pm_adb_get_TALK_result __P((PMData *));
195 void	pm_adb_get_ADB_data __P((PMData *));
196 void	pm_adb_poll_next_device_pm1 __P((PMData *));
197 
198 
199 /*
200  * These variables are in adb_direct.c.
201  */
202 extern u_char	*adbBuffer;	/* pointer to user data area */
203 extern void	*adbCompRout;	/* pointer to the completion routine */
204 extern void	*adbCompData;	/* pointer to the completion routine data */
205 extern int	adbWaiting;	/* waiting for return data from the device */
206 extern int	adbWaitingCmd;	/* ADB command we are waiting for */
207 extern int	adbStarting;	/* doing ADB reinit, so do "polling" differently */
208 
209 #define	ADB_MAX_MSG_LENGTH	16
210 #define	ADB_MAX_HDR_LENGTH	8
211 struct adbCommand {
212 	u_char	header[ADB_MAX_HDR_LENGTH];	/* not used yet */
213 	u_char	data[ADB_MAX_MSG_LENGTH];	/* packet data only */
214 	u_char	*saveBuf;	/* where to save result */
215 	u_char	*compRout;	/* completion routine pointer */
216 	u_char	*compData;	/* completion routine data pointer */
217 	u_int	cmd;		/* the original command for this data */
218 	u_int	unsol;		/* 1 if packet was unsolicited */
219 	u_int	ack_only;	/* 1 for no special processing */
220 };
221 extern	void	adb_pass_up __P((struct adbCommand *));
222 
223 extern int ite_polling;		/* Are we polling?  (Debugger mode) */
224 
225 #if 0
226 /*
227  * Define the external functions
228  */
229 extern int	zshard __P((int));		/* from zs.c */
230 #endif
231 
232 #ifdef ADB_DEBUG
233 /*
234  * This function dumps contents of the PMData
235  */
236 void
237 pm_printerr(ttl, rval, num, data)
238 	char *ttl;
239 	int rval;
240 	int num;
241 	char *data;
242 {
243 	int i;
244 
245 	printf("pm: %s:%04x %02x ", ttl, rval, num);
246 	for (i = 0; i < num; i++)
247 		printf("%02x ", data[i]);
248 	printf("\n");
249 }
250 #endif
251 
252 
253 
254 /*
255  * Check the hardware type of the Power Manager
256  */
257 void
258 pm_setup_adb()
259 {
260 	switch (mac68k_machine.machineid) {
261 		case MACH_MACPB140:
262 		case MACH_MACPB145:
263 		case MACH_MACPB150:
264 		case MACH_MACPB160:
265 		case MACH_MACPB165:
266 		case MACH_MACPB165C:
267 		case MACH_MACPB170:
268 		case MACH_MACPB180:
269 		case MACH_MACPB180C:
270 			pmHardware = PM_HW_PB1XX;
271 			break;
272 		case MACH_MACPB210:
273 		case MACH_MACPB230:
274 		case MACH_MACPB250:
275 		case MACH_MACPB270:
276 		case MACH_MACPB280:
277 		case MACH_MACPB280C:
278 		case MACH_MACPB500:
279 			pmHardware = PM_HW_PB5XX;
280 			break;
281 		default:
282 			break;
283 	}
284 }
285 
286 
287 /*
288  * Check the existent ADB devices
289  */
290 void
291 pm_check_adb_devices(id)
292 	int id;
293 {
294 	u_short ed = 0x1;
295 
296 	ed <<= id;
297 	pm_existent_ADB_devices |= ed;
298 }
299 
300 
301 /*
302  * Wait until PM IC is busy
303  */
304 int
305 pm_wait_busy(delay)
306 	int delay;
307 {
308 	while (PM_IS_ON) {
309 #ifdef PM_GRAB_SI
310 #if 0
311 		zshard(0);		/* grab any serial interrupts */
312 #else
313 		(void)intr_dispatch(0x70);
314 #endif
315 #endif
316 		if ((--delay) < 0)
317 			return 1;	/* timeout */
318 	}
319 	return 0;
320 }
321 
322 
323 /*
324  * Wait until PM IC is free
325  */
326 int
327 pm_wait_free(delay)
328 	int delay;
329 {
330 	while (PM_IS_OFF) {
331 #ifdef PM_GRAB_SI
332 #if 0
333 		zshard(0);		/* grab any serial interrupts */
334 #else
335 		(void)intr_dispatch(0x70);
336 #endif
337 #endif
338 		if ((--delay) < 0)
339 			return 0;	/* timeout */
340 	}
341 	return 1;
342 }
343 
344 
345 
346 /*
347  * Functions for the PB1XX series
348  */
349 
350 /*
351  * Receive data from PM for the PB1XX series
352  */
353 int
354 pm_receive_pm1(data)
355 	u_char *data;
356 {
357 	int rval = 0xffffcd34;
358 
359 	via_reg(VIA2, vDirA) = 0x00;
360 
361 	switch (1) {
362 		default:
363 			if (pm_wait_busy(0x40) != 0)
364 				break;			/* timeout */
365 
366 			PM_SET_STATE_ACKOFF();
367 			*data = via_reg(VIA2, 0x200);
368 
369 			rval = 0xffffcd33;
370 			if (pm_wait_free(0x40) == 0)
371 				break;			/* timeout */
372 
373 			rval = 0x00;
374 			break;
375 	}
376 
377 	PM_SET_STATE_ACKON();
378 	via_reg(VIA2, vDirA) = 0x00;
379 
380 	return rval;
381 }
382 
383 
384 
385 /*
386  * Send data to PM for the PB1XX series
387  */
388 int
389 pm_send_pm1(data, delay)
390 	u_char data;
391 	int delay;
392 {
393 	int rval;
394 
395 	via_reg(VIA2, vDirA) = 0xff;
396 	via_reg(VIA2, 0x200) = data;
397 
398 	PM_SET_STATE_ACKOFF();
399 	if (pm_wait_busy(0x400) != 0) {
400 		PM_SET_STATE_ACKON();
401 		via_reg(VIA2, vDirA) = 0x00;
402 
403 		return 0xffffcd36;
404 	}
405 
406 	rval = 0x0;
407 	PM_SET_STATE_ACKON();
408 	if (pm_wait_free(0x40) == 0)
409 		rval = 0xffffcd35;
410 
411 	PM_SET_STATE_ACKON();
412 	via_reg(VIA2, vDirA) = 0x00;
413 
414 	return rval;
415 }
416 
417 
418 /*
419  * My PMgrOp routine for the PB1XX series
420  */
421 int
422 pm_pmgrop_pm1(pmdata)
423 	PMData *pmdata;
424 {
425 	int i;
426 	int s = 0x81815963;
427 	u_char via1_vIER, via1_vDirA;
428 	int rval = 0;
429 	int num_pm_data = 0;
430 	u_char pm_cmd;
431 	u_char pm_data;
432 	u_char *pm_buf;
433 
434 	/* disable all inetrrupts but PM */
435 	via1_vIER = via_reg(VIA1, vIER);
436 	PM_VIA_INTR_DISABLE();
437 
438 	via1_vDirA = via_reg(VIA1, vDirA);
439 
440 	switch (pmdata->command) {
441 		default:
442 			for (i = 0; i < 7; i++) {
443 				via_reg(VIA2, vDirA) = 0x00;
444 
445 				/* wait until PM is free */
446 				if (pm_wait_free(ADBDelay) == 0) {	/* timeout */
447 					via_reg(VIA2, vDirA) = 0x00;
448 					/* restore formar value */
449 					via_reg(VIA1, vDirA) = via1_vDirA;
450 					via_reg(VIA1, vIER) = via1_vIER;
451 					return 0xffffcd38;
452 				}
453 
454 				switch (mac68k_machine.machineid) {
455 					case MACH_MACPB160:
456 					case MACH_MACPB165:
457 					case MACH_MACPB165C:
458 					case MACH_MACPB170:
459 					case MACH_MACPB180:
460 					case MACH_MACPB180C:
461 						{
462 							int delay = ADBDelay * 16;
463 
464 							via_reg(VIA2, vDirA) = 0x00;
465 							while ((via_reg(VIA2, 0x200) == 0x7f) && (delay >= 0))
466 								delay--;
467 
468 							if (delay < 0) {	/* timeout */
469 								via_reg(VIA2, vDirA) = 0x00;
470 								/* restore formar value */
471 								via_reg(VIA1, vIER) = via1_vIER;
472 								return 0xffffcd38;
473 							}
474 						}
475 				} /* end switch */
476 
477 				s = splhigh();
478 
479 				via1_vDirA = via_reg(VIA1, vDirA);
480 				via_reg(VIA1, vDirA) &= 0x7f;
481 
482 				pm_cmd = (u_char)(pmdata->command & 0xff);
483 				if ((rval = pm_send_pm1(pm_cmd, ADBDelay * 8)) == 0)
484 					break;	/* send command succeeded */
485 
486 				via_reg(VIA1, vDirA) = via1_vDirA;
487 				splx(s);
488 			} /* end for */
489 
490 			/* failed to send a command */
491 			if (i == 7) {
492 				via_reg(VIA2, vDirA) = 0x00;
493 				/* restore formar value */
494 				via_reg(VIA1, vDirA) = via1_vDirA;
495 				via_reg(VIA1, vIER) = via1_vIER;
496 					return 0xffffcd38;
497 			}
498 
499 			/* send # of PM data */
500 			num_pm_data = pmdata->num_data;
501 			if ((rval = pm_send_pm1((u_char)(num_pm_data & 0xff), ADBDelay * 8)) != 0)
502 				break;			/* timeout */
503 
504 			/* send PM data */
505 			pm_buf = (u_char *)pmdata->s_buf;
506 			for (i = 0; i < num_pm_data; i++)
507 				if ((rval = pm_send_pm1(pm_buf[i], ADBDelay * 8)) != 0)
508 					break;		/* timeout */
509 			if ((i != num_pm_data) && (num_pm_data != 0))
510 				break;			/* timeout */
511 
512 			/* Will PM IC return data? */
513 			if ((pm_cmd & 0x08) == 0) {
514 				rval = 0;
515 				break;			/* no returned data */
516 			}
517 
518 			rval = 0xffffcd37;
519 			if (pm_wait_busy(ADBDelay) != 0)
520 				break;			/* timeout */
521 
522 			/* receive PM command */
523 			if ((rval = pm_receive_pm1(&pm_data)) != 0)
524 				break;
525 
526 			pmdata->command = pm_data;
527 
528 			/* receive number of PM data */
529 			if ((rval = pm_receive_pm1(&pm_data)) != 0)
530 				break;			/* timeout */
531 			num_pm_data = pm_data;
532 			pmdata->num_data = num_pm_data;
533 
534 			/* receive PM data */
535 			pm_buf = (u_char *)pmdata->r_buf;
536 			for (i = 0; i < num_pm_data; i++) {
537 				if ((rval = pm_receive_pm1(&pm_data)) != 0)
538 					break;				/* timeout */
539 				pm_buf[i] = pm_data;
540 			}
541 
542 			rval = 0;
543 	}
544 
545 	via_reg(VIA2, vDirA) = 0x00;
546 
547 	/* restore formar value */
548 	via_reg(VIA1, vDirA) = via1_vDirA;
549 	via_reg(VIA1, vIER) = via1_vIER;
550 	if (s != 0x81815963)
551 		splx(s);
552 
553 	return rval;
554 }
555 
556 
557 /*
558  * My PM interrupt routine for PB1XX series
559  */
560 void
561 pm_intr_pm1()
562 {
563 	int s;
564 	int rval;
565 	PMData pmdata;
566 
567 	s = splhigh();
568 
569 	PM_VIA_CLR_INTR();				/* clear VIA1 interrupt */
570 
571 	/* ask PM what happend */
572 	pmdata.command = 0x78;
573 	pmdata.num_data = 0;
574 	pmdata.data[0] = pmdata.data[1] = 0;
575 	pmdata.s_buf = &pmdata.data[2];
576 	pmdata.r_buf = &pmdata.data[2];
577 	rval = pm_pmgrop_pm1(&pmdata);
578 	if (rval != 0) {
579 #ifdef ADB_DEBUG
580 		if (adb_debug)
581 			printf("pm: PM is not ready. error code=%08x\n", rval);
582 #endif
583 		splx(s);
584 	}
585 
586 	if ((pmdata.data[2] & 0x10) == 0x10) {
587 		if ((pmdata.data[2] & 0x0f) == 0) {
588 			/* ADB data that were requested by TALK command */
589 			pm_adb_get_TALK_result(&pmdata);
590 		} else if ((pmdata.data[2] & 0x08) == 0x8) {
591 			/* PM is requesting to poll  */
592 			pm_adb_poll_next_device_pm1(&pmdata);
593 		} else if ((pmdata.data[2] & 0x04) == 0x4) {
594 			/* ADB device event */
595 			pm_adb_get_ADB_data(&pmdata);
596 		}
597 	} else {
598 #ifdef ADB_DEBUG
599 		if (adb_debug)
600 			pm_printerr("driver does not supported this event.",
601 			    rval, pmdata.num_data, pmdata.data);
602 #endif
603 	}
604 
605 	splx(s);
606 }
607 
608 
609 
610 /*
611  * Functions for the PB Duo series and the PB 5XX series
612  */
613 
614 /*
615  * Receive data from PM for the PB Duo series and the PB 5XX series
616  */
617 int
618 pm_receive_pm2(data)
619 	u_char *data;
620 {
621 	int i;
622 	int rval;
623 
624 	rval = 0xffffcd34;
625 
626 	switch (1) {
627 		default:
628 			/* set VIA SR to input mode */
629 			via_reg(VIA1, vACR) |= 0x0c;
630 			via_reg(VIA1, vACR) &= ~0x10;
631 			i = PM_SR();
632 
633 			PM_SET_STATE_ACKOFF();
634 			if (pm_wait_busy((int)ADBDelay*32) != 0)
635 				break;		/* timeout */
636 
637 			PM_SET_STATE_ACKON();
638 			rval = 0xffffcd33;
639 			if (pm_wait_free((int)ADBDelay*32) == 0)
640 				break;		/* timeout */
641 
642 			*data = PM_SR();
643 			rval = 0;
644 
645 			break;
646 	}
647 
648 	PM_SET_STATE_ACKON();
649 	via_reg(VIA1, vACR) |= 0x1c;
650 
651 	return rval;
652 }
653 
654 
655 
656 /*
657  * Send data to PM for the PB Duo series and the PB 5XX series
658  */
659 int
660 pm_send_pm2(data)
661 	u_char data;
662 {
663 	int rval;
664 
665 	via_reg(VIA1, vACR) |= 0x1c;
666 	PM_SR() = data;
667 
668 	PM_SET_STATE_ACKOFF();
669 	rval = 0xffffcd36;
670 	if (pm_wait_busy((int)ADBDelay*32) != 0) {
671 		PM_SET_STATE_ACKON();
672 
673 		via_reg(VIA1, vACR) |= 0x1c;
674 
675 		return rval;
676 	}
677 
678 	PM_SET_STATE_ACKON();
679 	rval = 0xffffcd35;
680 	if (pm_wait_free((int)ADBDelay*32) != 0)
681 		rval = 0;
682 
683 	PM_SET_STATE_ACKON();
684 	via_reg(VIA1, vACR) |= 0x1c;
685 
686 	return rval;
687 }
688 
689 
690 
691 /*
692  * My PMgrOp routine for the PB Duo series and the PB 5XX series
693  */
694 int
695 pm_pmgrop_pm2(pmdata)
696 	PMData *pmdata;
697 {
698 	int i;
699 	int s;
700 	u_char via1_vIER;
701 	int rval = 0;
702 	int num_pm_data = 0;
703 	u_char pm_cmd;
704 	short pm_num_rx_data;
705 	u_char pm_data;
706 	u_char *pm_buf;
707 
708 	s = splhigh();
709 
710 	/* disable all inetrrupts but PM */
711 	via1_vIER = 0x10;
712 	via1_vIER &= via_reg(VIA1, vIER);
713 	via_reg(VIA1, vIER) = via1_vIER;
714 	if (via1_vIER != 0x0)
715 		via1_vIER |= 0x80;
716 
717 	switch (pmdata->command) {
718 		default:
719 			/* wait until PM is free */
720 			pm_cmd = (u_char)(pmdata->command & 0xff);
721 			rval = 0xcd38;
722 			if (pm_wait_free(ADBDelay * 4) == 0)
723 				break;			/* timeout */
724 
725 			if (HwCfgFlags3 & 0x00200000) {
726 				/* PB 160, PB 165(c), PB 180(c)? */
727 				int delay = ADBDelay * 16;
728 
729 				via_reg(VIA2, vDirA) = 0x00;
730 				while ((via_reg(VIA2, 0x200) == 0x07) &&
731 				    (delay >= 0))
732 					delay--;
733 
734 				if (delay < 0) {
735 					rval = 0xffffcd38;
736 					break;		/* timeout */
737 				}
738 			}
739 
740 			/* send PM command */
741 			if ((rval = pm_send_pm2((u_char)(pm_cmd & 0xff))))
742 				break;				/* timeout */
743 
744 			/* send number of PM data */
745 			num_pm_data = pmdata->num_data;
746 			if (HwCfgFlags3 & 0x00020000) {		/* PB Duo, PB 5XX */
747 				if (pm_send_cmd_type[pm_cmd] < 0) {
748 					if ((rval = pm_send_pm2((u_char)(num_pm_data & 0xff))) != 0)
749 						break;		/* timeout */
750 					pmdata->command = 0;
751 				}
752 			} else {				/* PB 1XX series ? */
753 				if ((rval = pm_send_pm2((u_char)(num_pm_data & 0xff))) != 0)
754 					break;			/* timeout */
755 			}
756 			/* send PM data */
757 			pm_buf = (u_char *)pmdata->s_buf;
758 			for (i = 0 ; i < num_pm_data; i++)
759 				if ((rval = pm_send_pm2(pm_buf[i])) != 0)
760 					break;			/* timeout */
761 			if (i != num_pm_data)
762 				break;				/* timeout */
763 
764 
765 			/* check if PM will send me data  */
766 			pm_num_rx_data = pm_receive_cmd_type[pm_cmd];
767 			pmdata->num_data = pm_num_rx_data;
768 			if (pm_num_rx_data == 0) {
769 				rval = 0;
770 				break;				/* no return data */
771 			}
772 
773 			/* receive PM command */
774 			pm_data = pmdata->command;
775 			if (HwCfgFlags3 & 0x00020000) {		/* PB Duo, PB 5XX */
776 				pm_num_rx_data--;
777 				if (pm_num_rx_data == 0)
778 					if ((rval = pm_receive_pm2(&pm_data)) != 0) {
779 						rval = 0xffffcd37;
780 						break;
781 					}
782 				pmdata->command = pm_data;
783 			} else {				/* PB 1XX series ? */
784 				if ((rval = pm_receive_pm2(&pm_data)) != 0) {
785 					rval = 0xffffcd37;
786 					break;
787 				}
788 				pmdata->command = pm_data;
789 			}
790 
791 			/* receive number of PM data */
792 			if (HwCfgFlags3 & 0x00020000) {		/* PB Duo, PB 5XX */
793 				if (pm_num_rx_data < 0) {
794 					if ((rval = pm_receive_pm2(&pm_data)) != 0)
795 						break;		/* timeout */
796 					num_pm_data = pm_data;
797 				} else
798 					num_pm_data = pm_num_rx_data;
799 				pmdata->num_data = num_pm_data;
800 			} else {				/* PB 1XX serias ? */
801 				if ((rval = pm_receive_pm2(&pm_data)) != 0)
802 					break;			/* timeout */
803 				num_pm_data = pm_data;
804 				pmdata->num_data = num_pm_data;
805 			}
806 
807 			/* receive PM data */
808 			pm_buf = (u_char *)pmdata->r_buf;
809 			for (i = 0; i < num_pm_data; i++) {
810 				if ((rval = pm_receive_pm2(&pm_data)) != 0)
811 					break;			/* timeout */
812 				pm_buf[i] = pm_data;
813 			}
814 
815 			rval = 0;
816 	}
817 
818 	/* restore former value */
819 	via_reg(VIA1, vIER) = via1_vIER;
820 	splx(s);
821 
822 	return rval;
823 }
824 
825 
826 /*
827  * My PM interrupt routine for the PB Duo series and the PB 5XX series
828  */
829 void
830 pm_intr_pm2()
831 {
832 	int s;
833 	int rval;
834 	PMData pmdata;
835 
836 	s = splhigh();
837 
838 	PM_VIA_CLR_INTR();			/* clear VIA1 interrupt */
839 						/* ask PM what happend */
840 	pmdata.command = 0x78;
841 	pmdata.num_data = 0;
842 	pmdata.s_buf = &pmdata.data[2];
843 	pmdata.r_buf = &pmdata.data[2];
844 	rval = pm_pmgrop_pm2(&pmdata);
845 	if (rval != 0) {
846 #ifdef ADB_DEBUG
847 		if (adb_debug)
848 			printf("pm: PM is not ready. error code: %08x\n", rval);
849 #endif
850 		splx(s);
851 	}
852 
853 	switch ((u_int)(pmdata.data[2] & 0xff)) {
854 		case 0x00:			/* 1 sec interrupt? */
855 			break;
856 		case 0x80:			/* 1 sec interrupt? */
857 			pm_counter++;
858 			break;
859 		case 0x08:			/* Brightness/Contrast button on LCD panel */
860 			/* get brightness and contrast of the LCD */
861 			pm_LCD_brightness = (u_int)pmdata.data[3] & 0xff;
862 			pm_LCD_contrast = (u_int)pmdata.data[4] & 0xff;
863 /*
864 			pm_printerr("#08", rval, pmdata.num_data, pmdata.data);
865 			pmdata.command = 0x33;
866 			pmdata.num_data = 1;
867 			pmdata.s_buf = pmdata.data;
868 			pmdata.r_buf = pmdata.data;
869 			pmdata.data[0] = pm_LCD_contrast;
870 			rval = pm_pmgrop_pm2(&pmdata);
871 			pm_printerr("#33", rval, pmdata.num_data, pmdata.data);
872 */
873 			/* this is an experimental code */
874 			pmdata.command = 0x41;
875 			pmdata.num_data = 1;
876 			pmdata.s_buf = pmdata.data;
877 			pmdata.r_buf = pmdata.data;
878 			pm_LCD_brightness = 0x7f - pm_LCD_brightness / 2;
879 			if (pm_LCD_brightness < 0x25)
880 				pm_LCD_brightness = 0x25;
881 			if (pm_LCD_brightness > 0x5a)
882 				pm_LCD_brightness = 0x7f;
883 			pmdata.data[0] = pm_LCD_brightness;
884 			rval = pm_pmgrop_pm2(&pmdata);
885 			break;
886 		case 0x10:			/* ADB data that were requested by TALK command */
887 		case 0x14:
888 			pm_adb_get_TALK_result(&pmdata);
889 			break;
890 		case 0x16:			/* ADB device event */
891 		case 0x18:
892 		case 0x1e:
893 			pm_adb_get_ADB_data(&pmdata);
894 			break;
895 		default:
896 #ifdef ADB_DEBUG
897 			if (adb_debug)
898 				pm_printerr("driver does not supported this event.",
899 				    pmdata.data[2], pmdata.num_data,
900 				    pmdata.data);
901 #endif
902 			break;
903 	}
904 
905 	splx(s);
906 }
907 
908 
909 /*
910  * MRG-based PMgrOp routine
911  */
912 int
913 pm_pmgrop_mrg(pmdata)
914 	PMData *pmdata;
915 {
916 	u_int32_t rval=0;
917 
918 	asm("
919 		movl	%1, a0
920 		.word	0xa085
921 		movl	d0, %0"
922 		: "=g" (rval)
923 		: "g" (pmdata)
924 		: "a0", "d0" );
925 
926 	return rval;
927 }
928 
929 
930 /*
931  * My PMgrOp routine
932  */
933 int
934 pmgrop(pmdata)
935 	PMData *pmdata;
936 {
937 	switch (pmHardware) {
938 		case PM_HW_PB1XX:
939 			return (pm_pmgrop_pm1(pmdata));
940 			break;
941 		case PM_HW_PB5XX:
942 			return (pm_pmgrop_pm2(pmdata));
943 			break;
944 		default:
945 			/* return (pmgrop_mrg(pmdata)); */
946 			return 1;
947 	}
948 }
949 
950 
951 /*
952  * My PM interrupt routine
953  */
954 void
955 pm_intr()
956 {
957 	switch (pmHardware) {
958 		case PM_HW_PB1XX:
959 			pm_intr_pm1();
960 			break;
961 		case PM_HW_PB5XX:
962 			pm_intr_pm2();
963 			break;
964 		default:
965 			break;
966 	}
967 }
968 
969 
970 
971 /*
972  * Synchronous ADBOp routine for the Power Manager
973  */
974 int
975 pm_adb_op(buffer, compRout, data, command)
976 	u_char *buffer;
977 	void *compRout;
978 	void *data;
979 	int command;
980 {
981 	int i;
982 	int s;
983 	int rval;
984 	int delay;
985 	PMData pmdata;
986 	struct adbCommand packet;
987 
988 	if (adbWaiting == 1)
989 		return 1;
990 
991 	s = splhigh();
992 	via_reg(VIA1, vIER) = 0x10;
993 
994  	adbBuffer = buffer;
995 	adbCompRout = compRout;
996 	adbCompData = data;
997 
998 	pmdata.command = 0x20;
999 	pmdata.s_buf = pmdata.data;
1000 	pmdata.r_buf = pmdata.data;
1001 
1002 	if ((command & 0xc) == 0x8) {		/* if the command is LISTEN, add number of ADB data to number of PM data */
1003 		if (buffer != (u_char *)0)
1004 			pmdata.num_data = buffer[0] + 3;
1005 	} else {
1006 		pmdata.num_data = 3;
1007 	}
1008 
1009 	pmdata.data[0] = (u_char)(command & 0xff);
1010 	pmdata.data[1] = 0;
1011 	if ((command & 0xc) == 0x8) {		/* if the command is LISTEN, copy ADB data to PM buffer */
1012 		if ((buffer != (u_char *)0) && (buffer[0] <= 24)) {
1013 			pmdata.data[2] = buffer[0];		/* number of data */
1014 			for (i = 0; i < buffer[0]; i++)
1015 				pmdata.data[3 + i] = buffer[1 + i];
1016 		} else
1017 			pmdata.data[2] = 0;
1018 	} else
1019 		pmdata.data[2] = 0;
1020 
1021 	if ((command & 0xc) != 0xc) {		/* if the command is not TALK */
1022 		/* set up stuff for adb_pass_up */
1023 		packet.data[0] = 1 + pmdata.data[2];
1024 		packet.data[1] = command;
1025 		for (i = 0; i < pmdata.data[2]; i++)
1026 			packet.data[i+2] = pmdata.data[i+3];
1027 		packet.saveBuf = adbBuffer;
1028 		packet.compRout = adbCompRout;
1029 		packet.compData = adbCompData;
1030 		packet.cmd = command;
1031 		packet.unsol = 0;
1032 		packet.ack_only = 1;
1033 		ite_polling = 1;
1034 		adb_pass_up(&packet);
1035 		ite_polling = 0;
1036 	}
1037 
1038 	rval = pmgrop(&pmdata);
1039 	if (rval != 0)
1040 		return 1;
1041 
1042 	adbWaiting = 1;
1043 	adbWaitingCmd = command;
1044 
1045 	PM_VIA_INTR_ENABLE();
1046 
1047 	/* wait until the PM interrupt is occured */
1048 	delay = 0x80000;
1049 	while (adbWaiting == 1) {
1050 		if ((via_reg(VIA1, vIFR) & 0x10) == 0x10)
1051 			pm_intr();
1052 #ifdef PM_GRAB_SI
1053 #if 0
1054 			zshard(0);		/* grab any serial interrupts */
1055 #else
1056 			(void)intr_dispatch(0x70);
1057 #endif
1058 #endif
1059 		if ((--delay) < 0)
1060 			return 1;
1061 	}
1062 
1063 	/* this command enables the interrupt by operating ADB devices */
1064 	if (HwCfgFlags3 & 0x00020000) {		/* PB Duo series, PB 5XX series */
1065 		pmdata.command = 0x20;
1066 		pmdata.num_data = 4;
1067 		pmdata.s_buf = pmdata.data;
1068 		pmdata.r_buf = pmdata.data;
1069 		pmdata.data[0] = 0x00;
1070 		pmdata.data[1] = 0x86;	/* magic spell for awaking the PM */
1071 		pmdata.data[2] = 0x00;
1072 		pmdata.data[3] = 0x0c;	/* each bit may express the existent ADB device */
1073 	} else {				/* PB 1XX series */
1074 		pmdata.command = 0x20;
1075 		pmdata.num_data = 3;
1076 		pmdata.s_buf = pmdata.data;
1077 		pmdata.r_buf = pmdata.data;
1078 		pmdata.data[0] = (u_char)(command & 0xf0) | 0xc;
1079 		pmdata.data[1] = 0x04;
1080 		pmdata.data[2] = 0x00;
1081 	}
1082 	rval = pmgrop(&pmdata);
1083 
1084 	splx(s);
1085 	return rval;
1086 }
1087 
1088 
1089 void
1090 pm_adb_get_TALK_result(pmdata)
1091 	PMData *pmdata;
1092 {
1093 	int i;
1094 	struct adbCommand packet;
1095 
1096 	/* set up data for adb_pass_up */
1097 	packet.data[0] = pmdata->num_data-1;
1098 	packet.data[1] = pmdata->data[3];
1099 	for (i = 0; i <packet.data[0]-1; i++)
1100 		packet.data[i+2] = pmdata->data[i+4];
1101 
1102 	packet.saveBuf = adbBuffer;
1103 	packet.compRout = adbCompRout;
1104 	packet.compData = adbCompData;
1105 	packet.unsol = 0;
1106 	packet.ack_only = 0;
1107 	ite_polling = 1;
1108 	adb_pass_up(&packet);
1109 	ite_polling = 0;
1110 
1111 	adbWaiting = 0;
1112 	adbBuffer = (long)0;
1113 	adbCompRout = (long)0;
1114 	adbCompData = (long)0;
1115 }
1116 
1117 
1118 void
1119 pm_adb_get_ADB_data(pmdata)
1120 	PMData *pmdata;
1121 {
1122 	int i;
1123 	struct adbCommand packet;
1124 
1125 	/* set up data for adb_pass_up */
1126 	packet.data[0] = pmdata->num_data-1;	/* number of raw data */
1127 	packet.data[1] = pmdata->data[3];	/* ADB command */
1128 	for (i = 0; i <packet.data[0]-1; i++)
1129 		packet.data[i+2] = pmdata->data[i+4];
1130 	packet.unsol = 1;
1131 	packet.ack_only = 0;
1132 	adb_pass_up(&packet);
1133 }
1134 
1135 
1136 void
1137 pm_adb_poll_next_device_pm1(pmdata)
1138 	PMData *pmdata;
1139 {
1140 	int i;
1141 	int ndid;
1142 	u_short bendid = 0x1;
1143 	int rval;
1144 	PMData tmp_pmdata;
1145 
1146 	/* find another existent ADB device to poll */
1147 	for (i = 1; i < 16; i++) {
1148 		ndid = (((pmdata->data[3] & 0xf0) >> 4) + i) & 0xf;
1149 		bendid <<= ndid;
1150 		if ((pm_existent_ADB_devices & bendid) != 0)
1151 			break;
1152 	}
1153 
1154 	/* poll the other device */
1155 	tmp_pmdata.command = 0x20;
1156 	tmp_pmdata.num_data = 3;
1157 	tmp_pmdata.s_buf = tmp_pmdata.data;
1158 	tmp_pmdata.r_buf = tmp_pmdata.data;
1159 	tmp_pmdata.data[0] = (u_char)(ndid << 4) | 0xc;
1160 	tmp_pmdata.data[1] = 0x04;	/* magic spell for awaking the PM */
1161 	tmp_pmdata.data[2] = 0x00;
1162 	rval = pmgrop(&tmp_pmdata);
1163 }
1164 
1165 
1166 
1167