xref: /freebsd/sys/dev/sound/pci/vibes.c (revision 271c3a9060f2ee55607ebe146523f888e1db2654)
1 /*-
2  * Copyright (c) 2001 Orion Hodson <O.Hodson@cs.ucl.ac.uk>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * This card has the annoying habit of "clicking" when attached and
27  * detached, haven't been able to remedy this with any combination of
28  * muting.
29  */
30 
31 #include <dev/sound/pcm/sound.h>
32 #include <dev/sound/pci/vibes.h>
33 
34 #include <dev/pci/pcireg.h>
35 #include <dev/pci/pcivar.h>
36 
37 #include "mixer_if.h"
38 
39 SND_DECLARE_FILE("$FreeBSD$");
40 
41 /* ------------------------------------------------------------------------- */
42 /* Constants */
43 
44 #define SV_PCI_ID		0xca005333
45 #define SV_DEFAULT_BUFSZ	16384
46 #define SV_MIN_BLKSZ		128
47 #define SV_INTR_PER_BUFFER	2
48 
49 #ifndef DEB
50 #define DEB(x) /* (x) */
51 #endif
52 
53 /* ------------------------------------------------------------------------- */
54 /* Structures */
55 
56 struct sc_info;
57 
58 struct sc_chinfo {
59 	struct sc_info	*parent;
60 	struct pcm_channel	*channel;
61 	struct snd_dbuf	*buffer;
62 	u_int32_t	fmt, spd;
63 	int		dir;
64 	int		dma_active, dma_was_active;
65 };
66 
67 struct sc_info {
68 	device_t		dev;
69 
70 	/* DMA buffer allocator */
71 	bus_dma_tag_t		parent_dmat;
72 
73 	/* Enhanced register resources */
74 	struct resource 	*enh_reg;
75 	bus_space_tag_t		enh_st;
76 	bus_space_handle_t	enh_sh;
77 	int			enh_type;
78 	int			enh_rid;
79 
80 	/* DMA configuration */
81 	struct resource		*dmaa_reg, *dmac_reg;
82 	bus_space_tag_t		dmaa_st, dmac_st;
83 	bus_space_handle_t	dmaa_sh, dmac_sh;
84 	int			dmaa_type, dmac_type;
85 	int			dmaa_rid, dmac_rid;
86 
87 	/* Interrupt resources */
88 	struct resource 	*irq;
89 	int			irqid;
90 	void			*ih;
91 
92 	/* User configurable buffer size */
93 	unsigned int		bufsz;
94 
95 	struct sc_chinfo	rch, pch;
96 	u_int8_t		rev;
97 };
98 
99 static u_int32_t sc_fmt[] = {
100 	AFMT_U8,
101 	AFMT_U8 | AFMT_STEREO,
102 	AFMT_S16_LE,
103 	AFMT_S16_LE | AFMT_STEREO,
104 	0
105 };
106 
107 static struct pcmchan_caps sc_caps = {8000, 48000, sc_fmt, 0};
108 
109 /* ------------------------------------------------------------------------- */
110 /* Register Manipulations */
111 
112 #define sv_direct_set(x, y, z) _sv_direct_set(x, y, z, __LINE__)
113 
114 static u_int8_t
115 sv_direct_get(struct sc_info *sc, u_int8_t reg)
116 {
117 	return bus_space_read_1(sc->enh_st, sc->enh_sh, reg);
118 }
119 
120 static void
121 _sv_direct_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
122 {
123 	u_int8_t n;
124 	bus_space_write_1(sc->enh_st, sc->enh_sh, reg, val);
125 
126 	n = sv_direct_get(sc, reg);
127 	if (n != val) {
128 		device_printf(sc->dev, "sv_direct_set register 0x%02x %d != %d from line %d\n", reg, n, val, line);
129 	}
130 }
131 
132 static u_int8_t
133 sv_indirect_get(struct sc_info *sc, u_int8_t reg)
134 {
135 	if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
136 		reg |= SV_CM_INDEX_MCE;
137 
138 	bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
139 	return bus_space_read_1(sc->enh_st, sc->enh_sh, SV_CM_DATA);
140 }
141 
142 #define sv_indirect_set(x, y, z) _sv_indirect_set(x, y, z, __LINE__)
143 
144 static void
145 _sv_indirect_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
146 {
147 	if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
148 		reg |= SV_CM_INDEX_MCE;
149 
150 	bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
151 	bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_DATA, val);
152 
153 	reg &= ~SV_CM_INDEX_MCE;
154 	if (reg != SV_REG_ADC_PLLM) {
155 		u_int8_t n;
156 		n = sv_indirect_get(sc, reg);
157 		if (n != val) {
158 			device_printf(sc->dev, "sv_indirect_set register 0x%02x %d != %d line %d\n", reg, n, val, line);
159 		}
160 	}
161 }
162 
163 static void
164 sv_dma_set_config(bus_space_tag_t st, bus_space_handle_t sh,
165 		  u_int32_t base, u_int32_t count, u_int8_t mode)
166 {
167 	bus_space_write_4(st, sh, SV_DMA_ADDR, base);
168 	bus_space_write_4(st, sh, SV_DMA_COUNT, count & 0xffffff);
169 	bus_space_write_1(st, sh, SV_DMA_MODE, mode);
170 
171 	DEB(printf("base 0x%08x count %5d mode 0x%02x\n",
172 		   base, count, mode));
173 }
174 
175 static u_int32_t
176 sv_dma_get_count(bus_space_tag_t st, bus_space_handle_t sh)
177 {
178 	return bus_space_read_4(st, sh, SV_DMA_COUNT) & 0xffffff;
179 }
180 
181 /* ------------------------------------------------------------------------- */
182 /* Play / Record Common Interface */
183 
184 static void *
185 svchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
186 {
187 	struct sc_info		*sc = devinfo;
188 	struct sc_chinfo	*ch;
189 	ch = (dir == PCMDIR_PLAY) ? &sc->pch : &sc->rch;
190 
191 	ch->parent = sc;
192 	ch->channel = c;
193 	ch->dir = dir;
194 
195 	if (sndbuf_alloc(b, sc->parent_dmat, 0, sc->bufsz) != 0) {
196 		DEB(printf("svchan_init failed\n"));
197 		return NULL;
198 	}
199 	ch->buffer = b;
200 	ch->fmt = AFMT_U8;
201 	ch->spd = DSP_DEFAULT_SPEED;
202 	ch->dma_active = ch->dma_was_active = 0;
203 
204 	return ch;
205 }
206 
207 static struct pcmchan_caps *
208 svchan_getcaps(kobj_t obj, void *data)
209 {
210         return &sc_caps;
211 }
212 
213 static int
214 svchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
215 {
216 	struct sc_chinfo *ch = data;
217 	struct sc_info *sc = ch->parent;
218 
219         /* user has requested interrupts every blocksize bytes */
220 	RANGE(blocksize, SV_MIN_BLKSZ, sc->bufsz / SV_INTR_PER_BUFFER);
221 	sndbuf_resize(ch->buffer, SV_INTR_PER_BUFFER, blocksize);
222 	DEB(printf("svchan_setblocksize: %d\n", blocksize));
223 	return blocksize;
224 }
225 
226 static int
227 svchan_setformat(kobj_t obj, void *data, u_int32_t format)
228 {
229 	struct sc_chinfo *ch = data;
230 	/* NB Just note format here as setting format register
231 	 * generates noise if dma channel is inactive. */
232 	ch->fmt  = (format & AFMT_STEREO) ? SV_AFMT_STEREO : SV_AFMT_MONO;
233 	ch->fmt |= (format & AFMT_16BIT) ? SV_AFMT_S16 : SV_AFMT_U8;
234 	return 0;
235 }
236 
237 static int
238 svchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
239 {
240 	struct sc_chinfo *ch = data;
241 	RANGE(speed, 8000, 48000);
242 	ch->spd = speed;
243 	return speed;
244 }
245 
246 /* ------------------------------------------------------------------------- */
247 /* Recording interface */
248 
249 static int
250 sv_set_recspeed(struct sc_info *sc, u_int32_t speed)
251 {
252 	u_int32_t	f_out, f_actual;
253 	u_int32_t	rs, re, r, best_r = 0, r2, t, n, best_n = 0;
254 	int32_t		m, best_m = 0, ms, me, err, min_err;
255 
256 	/* This algorithm is a variant described in sonicvibes.pdf
257 	 * appendix A.  This search is marginally more extensive and
258 	 * results in (nominally) better sample rate matching. */
259 
260 	f_out = SV_F_SCALE * speed;
261 	min_err = 0x7fffffff;
262 
263 	/* Find bounds of r to examine, rs <= r <= re */
264 	t = 80000000 / f_out;
265 	for (rs = 1; (1 << rs) < t; rs++);
266 
267 	t = 150000000 / f_out;
268 	for (re = 1; (2 << re) < t; re++);
269 	if (re > 7) re = 7;
270 
271 	/* Search over r, n, m */
272 	for (r = rs; r <= re; r++) {
273 		r2 = (1 << r);
274 		for (n = 3; n < 34; n++) {
275 			m = f_out * n / (SV_F_REF / r2);
276 			ms = (m > 3) ? (m - 1) : 3;
277 			me = (m < 129) ? (m + 1) : 129;
278 			for (m = ms; m <= me; m++) {
279 				f_actual = m * SV_F_REF / (n * r2);
280 				if (f_actual > f_out) {
281 					err = f_actual - f_out;
282 				} else {
283 					err = f_out - f_actual;
284 				}
285 				if (err < min_err) {
286 					best_r = r;
287 					best_m = m - 2;
288 					best_n = n - 2;
289 					min_err = err;
290 					if (err == 0) break;
291 				}
292 			}
293 		}
294 	}
295 
296 	sv_indirect_set(sc, SV_REG_ADC_PLLM, best_m);
297 	sv_indirect_set(sc, SV_REG_ADC_PLLN,
298 			SV_ADC_PLLN(best_n) | SV_ADC_PLLR(best_r));
299 	DEB(printf("svrchan_setspeed: %d -> PLLM 0x%02x PLLNR 0x%08x\n",
300 		   speed,
301 		   sv_indirect_get(sc, SV_REG_ADC_PLLM),
302 		   sv_indirect_get(sc, SV_REG_ADC_PLLN)));
303 	return 0;
304 }
305 
306 static int
307 svrchan_trigger(kobj_t obj, void *data, int go)
308 {
309 	struct sc_chinfo	*ch = data;
310 	struct sc_info 		*sc = ch->parent;
311 	u_int32_t		count, enable;
312 	u_int8_t		v;
313 
314 	switch(go) {
315 	case PCMTRIG_START:
316 		/* Set speed */
317 		sv_set_recspeed(sc, ch->spd);
318 
319 		/* Set format */
320 		v  = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAC_MSK;
321 		v |= SV_AFMT_DMAC(ch->fmt);
322 		sv_indirect_set(sc, SV_REG_FORMAT, v);
323 
324 		/* Program DMA */
325 		count = sndbuf_getsize(ch->buffer) / 2; /* DMAC uses words */
326 		sv_dma_set_config(sc->dmac_st, sc->dmac_sh,
327 				  sndbuf_getbufaddr(ch->buffer),
328 				  count - 1,
329 				  SV_DMA_MODE_AUTO | SV_DMA_MODE_RD);
330 		count = count / SV_INTR_PER_BUFFER - 1;
331 		sv_indirect_set(sc, SV_REG_DMAC_COUNT_HI, count >> 8);
332 		sv_indirect_set(sc, SV_REG_DMAC_COUNT_LO, count & 0xff);
333 
334 		/* Enable DMA */
335 		enable = sv_indirect_get(sc, SV_REG_ENABLE) | SV_RECORD_ENABLE;
336 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
337 		ch->dma_active = 1;
338 		break;
339 	case PCMTRIG_STOP:
340 	case PCMTRIG_ABORT:
341 		enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_RECORD_ENABLE;
342 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
343 		ch->dma_active = 0;
344 		break;
345 	}
346 
347 	return 0;
348 }
349 
350 static int
351 svrchan_getptr(kobj_t obj, void *data)
352 {
353 	struct sc_chinfo	*ch = data;
354 	struct sc_info 		*sc = ch->parent;
355 	u_int32_t sz, remain;
356 
357 	sz = sndbuf_getsize(ch->buffer);
358 	/* DMAC uses words */
359 	remain = (sv_dma_get_count(sc->dmac_st, sc->dmac_sh) + 1) * 2;
360 	return sz - remain;
361 }
362 
363 static kobj_method_t svrchan_methods[] = {
364         KOBJMETHOD(channel_init,                svchan_init),
365         KOBJMETHOD(channel_setformat,           svchan_setformat),
366         KOBJMETHOD(channel_setspeed,            svchan_setspeed),
367         KOBJMETHOD(channel_setblocksize,        svchan_setblocksize),
368         KOBJMETHOD(channel_trigger,             svrchan_trigger),
369         KOBJMETHOD(channel_getptr,              svrchan_getptr),
370         KOBJMETHOD(channel_getcaps,             svchan_getcaps),
371         { 0, 0 }
372 };
373 CHANNEL_DECLARE(svrchan);
374 
375 /* ------------------------------------------------------------------------- */
376 /* Playback interface */
377 
378 static int
379 svpchan_trigger(kobj_t obj, void *data, int go)
380 {
381 	struct sc_chinfo	*ch = data;
382 	struct sc_info		*sc = ch->parent;
383 	u_int32_t		count, enable, speed;
384 	u_int8_t		v;
385 
386 	switch(go) {
387 	case PCMTRIG_START:
388 		/* Set speed */
389 		speed = (ch->spd * 65536) / 48000;
390 		if (speed > 65535)
391 			speed = 65535;
392 		sv_indirect_set(sc, SV_REG_PCM_SAMPLING_HI, speed >> 8);
393 		sv_indirect_set(sc, SV_REG_PCM_SAMPLING_LO, speed & 0xff);
394 
395 		/* Set format */
396 		v  = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAA_MSK;
397 		v |= SV_AFMT_DMAA(ch->fmt);
398 		sv_indirect_set(sc, SV_REG_FORMAT, v);
399 
400 		/* Program DMA */
401 		count = sndbuf_getsize(ch->buffer);
402 		sv_dma_set_config(sc->dmaa_st, sc->dmaa_sh,
403 				  sndbuf_getbufaddr(ch->buffer),
404 				  count - 1,
405 				  SV_DMA_MODE_AUTO | SV_DMA_MODE_WR);
406 		count = count / SV_INTR_PER_BUFFER - 1;
407 		sv_indirect_set(sc, SV_REG_DMAA_COUNT_HI, count >> 8);
408 		sv_indirect_set(sc, SV_REG_DMAA_COUNT_LO, count & 0xff);
409 
410 		/* Enable DMA */
411 		enable = sv_indirect_get(sc, SV_REG_ENABLE);
412 		enable = (enable | SV_PLAY_ENABLE) & ~SV_PLAYBACK_PAUSE;
413 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
414 		ch->dma_active = 1;
415 		break;
416 	case PCMTRIG_STOP:
417 	case PCMTRIG_ABORT:
418 		enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_PLAY_ENABLE;
419 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
420 		ch->dma_active = 0;
421 		break;
422 	}
423 
424 	return 0;
425 }
426 
427 static int
428 svpchan_getptr(kobj_t obj, void *data)
429 {
430 	struct sc_chinfo	*ch = data;
431 	struct sc_info 		*sc = ch->parent;
432 	u_int32_t sz, remain;
433 
434 	sz = sndbuf_getsize(ch->buffer);
435 	/* DMAA uses bytes */
436 	remain = sv_dma_get_count(sc->dmaa_st, sc->dmaa_sh) + 1;
437 	return (sz - remain);
438 }
439 
440 static kobj_method_t svpchan_methods[] = {
441         KOBJMETHOD(channel_init,                svchan_init),
442         KOBJMETHOD(channel_setformat,           svchan_setformat),
443         KOBJMETHOD(channel_setspeed,            svchan_setspeed),
444         KOBJMETHOD(channel_setblocksize,        svchan_setblocksize),
445         KOBJMETHOD(channel_trigger,             svpchan_trigger),
446         KOBJMETHOD(channel_getptr,              svpchan_getptr),
447         KOBJMETHOD(channel_getcaps,             svchan_getcaps),
448         { 0, 0 }
449 };
450 CHANNEL_DECLARE(svpchan);
451 
452 /* ------------------------------------------------------------------------- */
453 /* Mixer support */
454 
455 struct sv_mix_props {
456 	u_int8_t	reg;		/* Register */
457 	u_int8_t	stereo:1;	/* Supports 2 channels */
458 	u_int8_t	mute:1;		/* Supports muting */
459 	u_int8_t	neg:1;		/* Negative gain */
460 	u_int8_t	max;		/* Max gain */
461 	u_int8_t	iselect;	/* Input selector */
462 } static const mt [SOUND_MIXER_NRDEVICES] = {
463 	[SOUND_MIXER_LINE1]  = {SV_REG_AUX1,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX1},
464 	[SOUND_MIXER_CD]     = {SV_REG_CD,        1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_CD},
465 	[SOUND_MIXER_LINE]   = {SV_REG_LINE,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_LINE},
466 	[SOUND_MIXER_MIC]    = {SV_REG_MIC,       0, 1, 1, SV_MIC_MAX,     SV_INPUT_MIC},
467 	[SOUND_MIXER_SYNTH]  = {SV_REG_SYNTH,     0, 1, 1, SV_DEFAULT_MAX, 0},
468 	[SOUND_MIXER_LINE2]  = {SV_REG_AUX2,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX2},
469 	[SOUND_MIXER_VOLUME] = {SV_REG_MIX,       1, 1, 1, SV_DEFAULT_MAX, 0},
470 	[SOUND_MIXER_PCM]    = {SV_REG_PCM,       1, 1, 1, SV_PCM_MAX,     0},
471 	[SOUND_MIXER_RECLEV] = {SV_REG_ADC_INPUT, 1, 0, 0, SV_ADC_MAX, 0},
472 };
473 
474 static void
475 sv_channel_gain(struct sc_info *sc, u_int32_t dev, u_int32_t gain, u_int32_t channel)
476 {
477 	u_int8_t	v;
478 	int32_t		g;
479 
480 	g = mt[dev].max * gain / 100;
481 	if (mt[dev].neg)
482 		g = mt[dev].max - g;
483 	v  = sv_indirect_get(sc, mt[dev].reg + channel) & ~mt[dev].max;
484 	v |= g;
485 
486 	if (mt[dev].mute) {
487 		if (gain == 0) {
488 			v |= SV_MUTE;
489 		} else {
490 			v &= ~SV_MUTE;
491 		}
492 	}
493 	sv_indirect_set(sc, mt[dev].reg + channel, v);
494 }
495 
496 static int
497 sv_gain(struct sc_info *sc, u_int32_t dev, u_int32_t left, u_int32_t right)
498 {
499 	sv_channel_gain(sc, dev, left, 0);
500 	if (mt[dev].stereo)
501 		sv_channel_gain(sc, dev, right, 1);
502 	return 0;
503 }
504 
505 static void
506 sv_mix_mute_all(struct sc_info *sc)
507 {
508 	int32_t i;
509 	for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
510 		if (mt[i].reg) sv_gain(sc, i, 0, 0);
511 	}
512 }
513 
514 static int
515 sv_mix_init(struct snd_mixer *m)
516 {
517 	u_int32_t 	i, v;
518 
519 	for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
520 		if (mt[i].max) v |= (1 << i);
521 	}
522 	mix_setdevs(m, v);
523 
524 	for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
525 		if (mt[i].iselect) v |= (1 << i);
526 	}
527 	mix_setrecdevs(m, v);
528 
529 	return 0;
530 }
531 
532 static int
533 sv_mix_set(struct snd_mixer *m, u_int32_t dev, u_int32_t left, u_int32_t right)
534 {
535 	struct sc_info	*sc = mix_getdevinfo(m);
536 	return sv_gain(sc, dev, left, right);
537 }
538 
539 static int
540 sv_mix_setrecsrc(struct snd_mixer *m, u_int32_t mask)
541 {
542 	struct sc_info	*sc = mix_getdevinfo(m);
543 	u_int32_t	i, v;
544 
545 	v = sv_indirect_get(sc, SV_REG_ADC_INPUT) & SV_INPUT_GAIN_MASK;
546 	for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
547 		if ((1 << i) & mask) {
548 			v |= mt[i].iselect;
549 		}
550 	}
551 	DEB(printf("sv_mix_setrecsrc: mask 0x%08x adc_input 0x%02x\n", mask, v));
552 	sv_indirect_set(sc, SV_REG_ADC_INPUT, v);
553 	return mask;
554 }
555 
556 static kobj_method_t sv_mixer_methods[] = {
557         KOBJMETHOD(mixer_init,		sv_mix_init),
558         KOBJMETHOD(mixer_set,		sv_mix_set),
559         KOBJMETHOD(mixer_setrecsrc,	sv_mix_setrecsrc),
560         { 0, 0 }
561 };
562 MIXER_DECLARE(sv_mixer);
563 
564 /* ------------------------------------------------------------------------- */
565 /* Power management and reset */
566 
567 static void
568 sv_power(struct sc_info *sc, int state)
569 {
570 	u_int8_t v;
571 
572         switch (state) {
573         case 0:
574 		/* power on */
575 		v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) &~ SV_ANALOG_OFF;
576 		v |= SV_ANALOG_OFF_SRS | SV_ANALOG_OFF_SPLL;
577 		sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
578 		v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) &~ SV_DIGITAL_OFF;
579 		v |= SV_DIGITAL_OFF_SYN | SV_DIGITAL_OFF_MU | SV_DIGITAL_OFF_GP;
580 		sv_indirect_set(sc, SV_REG_DIGITAL_PWR, v);
581                 break;
582         default:
583 		/* power off */
584 		v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) | SV_ANALOG_OFF;
585 		sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
586 		v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) | SV_DIGITAL_OFF;
587 		sv_indirect_set(sc, SV_REG_DIGITAL_PWR, SV_DIGITAL_OFF);
588                 break;
589         }
590         DEB(printf("Power state %d\n", state));
591 }
592 
593 static int
594 sv_init(struct sc_info *sc)
595 {
596 	u_int8_t	v;
597 
598 	/* Effect reset */
599 	v  = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_ENHANCED;
600 	v |= SV_CM_CONTROL_RESET;
601 	sv_direct_set(sc, SV_CM_CONTROL, v);
602 	DELAY(50);
603 
604 	v = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_RESET;
605 	sv_direct_set(sc, SV_CM_CONTROL, v);
606 	DELAY(50);
607 
608 	/* Set in enhanced mode */
609 	v = sv_direct_get(sc, SV_CM_CONTROL);
610 	v |= SV_CM_CONTROL_ENHANCED;
611 	sv_direct_set(sc, SV_CM_CONTROL, v);
612 
613 	/* Enable interrupts (UDM and MIDM are superfluous) */
614 	v = sv_direct_get(sc, SV_CM_IMR);
615 	v &= ~(SV_CM_IMR_AMSK | SV_CM_IMR_CMSK | SV_CM_IMR_SMSK);
616 	sv_direct_set(sc, SV_CM_IMR, v);
617 
618 	/* Select ADC PLL for ADC clock */
619 	v = sv_indirect_get(sc, SV_REG_CLOCK_SOURCE) & ~SV_CLOCK_ALTERNATE;
620 	sv_indirect_set(sc, SV_REG_CLOCK_SOURCE, v);
621 
622 	/* Disable loopback - binds ADC and DAC rates */
623 	v = sv_indirect_get(sc, SV_REG_LOOPBACK) & ~SV_LOOPBACK_ENABLE;
624 	sv_indirect_set(sc, SV_REG_LOOPBACK, v);
625 
626 	/* Disable SRS */
627 	v = sv_indirect_get(sc, SV_REG_SRS_SPACE) | SV_SRS_DISABLED;
628 	sv_indirect_set(sc, SV_REG_SRS_SPACE, v);
629 
630 	/* Get revision */
631 	sc->rev = sv_indirect_get(sc, SV_REG_REVISION);
632 
633 	return 0;
634 }
635 
636 static int
637 sv_suspend(device_t dev)
638 {
639 	struct sc_info	*sc = pcm_getdevinfo(dev);
640 
641 	sc->rch.dma_was_active = sc->rch.dma_active;
642 	svrchan_trigger(NULL, &sc->rch, PCMTRIG_ABORT);
643 
644 	sc->pch.dma_was_active = sc->pch.dma_active;
645 	svrchan_trigger(NULL, &sc->pch, PCMTRIG_ABORT);
646 
647 	sv_mix_mute_all(sc);
648 	sv_power(sc, 3);
649 
650 	return 0;
651 }
652 
653 static int
654 sv_resume(device_t dev)
655 {
656 	struct sc_info	*sc = pcm_getdevinfo(dev);
657 
658 	sv_mix_mute_all(sc);
659 	sv_power(sc, 0);
660 	if (sv_init(sc) == -1) {
661 		device_printf(dev, "unable to reinitialize the card\n");
662 		return ENXIO;
663 	}
664 
665 	if (mixer_reinit(dev) == -1) {
666 		device_printf(dev, "unable to reinitialize the mixer\n");
667                 return ENXIO;
668         }
669 
670 	if (sc->rch.dma_was_active) {
671 		svrchan_trigger(0, &sc->rch, PCMTRIG_START);
672 	}
673 
674 	if (sc->pch.dma_was_active) {
675 		svpchan_trigger(0, &sc->pch, PCMTRIG_START);
676 	}
677 
678 	return 0;
679 }
680 
681 /* ------------------------------------------------------------------------- */
682 /* Resource related */
683 
684 static void
685 sv_intr(void *data)
686 {
687 	struct sc_info	*sc = data;
688 	u_int8_t	status;
689 
690 	status = sv_direct_get(sc, SV_CM_STATUS);
691 	if (status & SV_CM_STATUS_AINT)
692 		chn_intr(sc->pch.channel);
693 
694 	if (status & SV_CM_STATUS_CINT)
695 		chn_intr(sc->rch.channel);
696 
697 	status &= ~(SV_CM_STATUS_AINT|SV_CM_STATUS_CINT);
698 	DEB(if (status) printf("intr 0x%02x ?\n", status));
699 
700 	return;
701 }
702 
703 static int
704 sv_probe(device_t dev)
705 {
706 	switch(pci_get_devid(dev)) {
707 	case SV_PCI_ID:
708 		device_set_desc(dev, "S3 Sonicvibes");
709 		return BUS_PROBE_DEFAULT;
710 	default:
711 		return ENXIO;
712 	}
713 }
714 
715 static int
716 sv_attach(device_t dev) {
717 	struct sc_info	*sc;
718 	u_int32_t	data;
719 	char		status[SND_STATUSLEN];
720 	u_long		midi_start, games_start, count, sdmaa, sdmac, ml, mu;
721 
722 	sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
723 	sc->dev = dev;
724 
725 	data = pci_read_config(dev, PCIR_COMMAND, 2);
726 	data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN);
727 	pci_write_config(dev, PCIR_COMMAND, data, 2);
728 	data = pci_read_config(dev, PCIR_COMMAND, 2);
729 
730 #if __FreeBSD_version > 500000
731         if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
732                 device_printf(dev, "chip is in D%d power mode "
733                               "-- setting to D0\n", pci_get_powerstate(dev));
734                 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
735         }
736 #endif
737 	sc->enh_rid  = SV_PCI_ENHANCED;
738 	sc->enh_type = SYS_RES_IOPORT;
739 	sc->enh_reg  = bus_alloc_resource(dev, sc->enh_type,
740 					  &sc->enh_rid, 0, ~0,
741 					  SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
742 	if (sc->enh_reg == NULL) {
743 		device_printf(dev, "sv_attach: cannot allocate enh\n");
744 		return ENXIO;
745 	}
746 	sc->enh_st = rman_get_bustag(sc->enh_reg);
747 	sc->enh_sh = rman_get_bushandle(sc->enh_reg);
748 
749 	data = pci_read_config(dev, SV_PCI_DMAA, 4);
750 	DEB(printf("sv_attach: initial dmaa 0x%08x\n", data));
751 	data = pci_read_config(dev, SV_PCI_DMAC, 4);
752 	DEB(printf("sv_attach: initial dmac 0x%08x\n", data));
753 
754 	/* Initialize DMA_A and DMA_C */
755 	pci_write_config(dev, SV_PCI_DMAA, SV_PCI_DMA_EXTENDED, 4);
756 	pci_write_config(dev, SV_PCI_DMAC, 0, 4);
757 
758 	/* Register IRQ handler */
759 	sc->irqid = 0;
760         sc->irq   = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid,
761 				       0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
762         if (!sc->irq ||
763 	    snd_setup_intr(dev, sc->irq, 0, sv_intr, sc, &sc->ih)) {
764                 device_printf(dev, "sv_attach: Unable to map interrupt\n");
765                 goto fail;
766         }
767 
768 	sc->bufsz = pcm_getbuffersize(dev, 4096, SV_DEFAULT_BUFSZ, 65536);
769         if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
770 			       /*boundary*/0,
771                                /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
772                                /*highaddr*/BUS_SPACE_MAXADDR,
773                                /*filter*/NULL, /*filterarg*/NULL,
774                                /*maxsize*/sc->bufsz, /*nsegments*/1,
775                                /*maxsegz*/0x3ffff, /*flags*/0,
776 			       /*lockfunc*/busdma_lock_mutex,
777 			       /*lockarg*/&Giant, &sc->parent_dmat) != 0) {
778                 device_printf(dev, "sv_attach: Unable to create dma tag\n");
779                 goto fail;
780         }
781 
782 	/* Power up and initialize */
783 	sv_mix_mute_all(sc);
784 	sv_power(sc, 0);
785 	sv_init(sc);
786 
787 	if (mixer_init(dev, &sv_mixer_class, sc) != 0) {
788 		device_printf(dev, "sv_attach: Mixer failed to initialize\n");
789 		goto fail;
790 	}
791 
792 	/* XXX This is a hack, and it's ugly.  Okay, the deal is this
793 	 * card has two more io regions that available for automatic
794 	 * configuration by the pci code.  These need to be allocated
795 	 * to used as control registers for the DMA engines.
796 	 * Unfortunately FBSD has no bus_space_foo() functions so we
797 	 * have to grab port space in region of existing resources.  Go
798 	 * for space between midi and game ports.
799 	 */
800 	bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_MIDI, &midi_start, &count);
801 	bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_GAMES, &games_start, &count);
802 
803 	if (games_start < midi_start) {
804 		ml = games_start;
805 		mu = midi_start;
806 	} else {
807 		ml = midi_start;
808 		mu = games_start;
809 	}
810 	/* Check assumptions about space availability and
811            alignment. How driver loaded can determine whether
812            games_start > midi_start or vice versa */
813 	if ((mu - ml >= 0x800)  ||
814 	    ((mu - ml) % 0x200)) {
815 		device_printf(dev, "sv_attach: resource assumptions not met "
816 			      "(midi 0x%08lx, games 0x%08lx)\n",
817 			      midi_start, games_start);
818 		goto fail;
819 	}
820 
821 	sdmaa = ml + 0x40;
822 	sdmac = sdmaa + 0x40;
823 
824 	/* Add resources to list of pci resources for this device - from here on
825 	 * they look like normal pci resources. */
826 	bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAA, sdmaa, SV_PCI_DMAA_SIZE);
827 	bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAC, sdmac, SV_PCI_DMAC_SIZE);
828 
829 	/* Cache resource short-cuts for dma_a */
830 	sc->dmaa_rid = SV_PCI_DMAA;
831 	sc->dmaa_type = SYS_RES_IOPORT;
832 	sc->dmaa_reg  = bus_alloc_resource(dev, sc->dmaa_type,
833 					   &sc->dmaa_rid, 0, ~0,
834 					   SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
835 	if (sc->dmaa_reg == NULL) {
836 		device_printf(dev, "sv_attach: cannot allocate dmaa\n");
837 		goto fail;
838 	}
839 	sc->dmaa_st = rman_get_bustag(sc->dmaa_reg);
840 	sc->dmaa_sh = rman_get_bushandle(sc->dmaa_reg);
841 
842 	/* Poke port into dma_a configuration, nb bit flags to enable dma */
843 	data = pci_read_config(dev, SV_PCI_DMAA, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
844 	data = ((u_int32_t)sdmaa & 0xfffffff0) | (data & 0x0f);
845 	pci_write_config(dev, SV_PCI_DMAA, data, 4);
846 	DEB(printf("dmaa: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAA, 4)));
847 
848 	/* Cache resource short-cuts for dma_c */
849 	sc->dmac_rid = SV_PCI_DMAC;
850 	sc->dmac_type = SYS_RES_IOPORT;
851 	sc->dmac_reg  = bus_alloc_resource(dev, sc->dmac_type,
852 					   &sc->dmac_rid, 0, ~0,
853 					   SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
854 	if (sc->dmac_reg == NULL) {
855 		device_printf(dev, "sv_attach: cannot allocate dmac\n");
856 		goto fail;
857 	}
858 	sc->dmac_st = rman_get_bustag(sc->dmac_reg);
859 	sc->dmac_sh = rman_get_bushandle(sc->dmac_reg);
860 
861 	/* Poke port into dma_c configuration, nb bit flags to enable dma */
862 	data = pci_read_config(dev, SV_PCI_DMAC, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
863 	data = ((u_int32_t)sdmac & 0xfffffff0) | (data & 0x0f);
864 	pci_write_config(dev, SV_PCI_DMAC, data, 4);
865 	DEB(printf("dmac: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAC, 4)));
866 
867 	if (bootverbose)
868 		printf("Sonicvibes: revision %d.\n", sc->rev);
869 
870         if (pcm_register(dev, sc, 1, 1)) {
871 		device_printf(dev, "sv_attach: pcm_register fail\n");
872                 goto fail;
873 	}
874 
875         pcm_addchan(dev, PCMDIR_PLAY, &svpchan_class, sc);
876         pcm_addchan(dev, PCMDIR_REC,  &svrchan_class, sc);
877 
878         snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s",
879                  rman_get_start(sc->enh_reg),  rman_get_start(sc->irq),PCM_KLDSTRING(snd_vibes));
880         pcm_setstatus(dev, status);
881 
882         DEB(printf("sv_attach: succeeded\n"));
883 
884 	return 0;
885 
886  fail:
887 	if (sc->parent_dmat)
888 		bus_dma_tag_destroy(sc->parent_dmat);
889         if (sc->ih)
890 		bus_teardown_intr(dev, sc->irq, sc->ih);
891         if (sc->irq)
892 		bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
893 	if (sc->enh_reg)
894 		bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
895 	if (sc->dmaa_reg)
896 		bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
897 	if (sc->dmac_reg)
898 		bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
899 	return ENXIO;
900 }
901 
902 static int
903 sv_detach(device_t dev) {
904 	struct sc_info	*sc;
905 	int		r;
906 
907 	r = pcm_unregister(dev);
908 	if (r) return r;
909 
910 	sc = pcm_getdevinfo(dev);
911 	sv_mix_mute_all(sc);
912 	sv_power(sc, 3);
913 
914 	bus_dma_tag_destroy(sc->parent_dmat);
915 	bus_teardown_intr(dev, sc->irq, sc->ih);
916 	bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
917 	bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
918 	bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
919 	bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
920 
921 	free(sc, M_DEVBUF);
922 
923 	return 0;
924 }
925 
926 static device_method_t sc_methods[] = {
927         DEVMETHOD(device_probe,         sv_probe),
928         DEVMETHOD(device_attach,        sv_attach),
929         DEVMETHOD(device_detach,        sv_detach),
930         DEVMETHOD(device_resume,        sv_resume),
931         DEVMETHOD(device_suspend,       sv_suspend),
932         { 0, 0 }
933 };
934 
935 static driver_t sonicvibes_driver = {
936         "pcm",
937         sc_methods,
938         PCM_SOFTC_SIZE
939 };
940 
941 DRIVER_MODULE(snd_vibes, pci, sonicvibes_driver, pcm_devclass, 0, 0);
942 MODULE_DEPEND(snd_vibes, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
943 MODULE_VERSION(snd_vibes, 1);
944