xref: /freebsd/sys/dev/sound/pci/emu10kx.c (revision 045c8f526484cb3b97f5fd693987f4376fa43c5f)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5  * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/bus.h>
35 #include <machine/bus.h>
36 #include <sys/rman.h>
37 #include <sys/systm.h>
38 #include <sys/sbuf.h>
39 #include <sys/queue.h>
40 #include <sys/lock.h>
41 #include <sys/mutex.h>
42 #include <sys/sysctl.h>
43 #include <sys/kdb.h>
44 
45 #include <dev/pci/pcireg.h>
46 #include <dev/pci/pcivar.h>
47 
48 #include <machine/clock.h>	/* for DELAY */
49 
50 #ifdef HAVE_KERNEL_OPTION_HEADERS
51 #include "opt_snd.h"
52 #endif
53 
54 #include <dev/sound/chip.h>
55 #include <dev/sound/pcm/sound.h>
56 #include <dev/sound/pcm/ac97.h>
57 
58 #include <dev/sound/pci/emuxkireg.h>
59 #include <dev/sound/pci/emu10kx.h>
60 
61 /* hw flags */
62 #define	HAS_51		0x0001
63 #define	HAS_71		0x0002
64 #define	HAS_AC97	0x0004
65 
66 #define	IS_EMU10K1	0x0008
67 #define	IS_EMU10K2	0x0010
68 #define	IS_CA0102	0x0020
69 #define	IS_CA0108	0x0040
70 #define	IS_UNKNOWN	0x0080
71 
72 #define	BROKEN_DIGITAL	0x0100
73 #define	DIGITAL_ONLY	0x0200
74 
75 #define	IS_CARDBUS	0x0400
76 
77 #define	MODE_ANALOG	1
78 #define	MODE_DIGITAL	2
79 #define	SPDIF_MODE_PCM	1
80 #define	SPDIF_MODE_AC3	2
81 
82 #define	MACS	0x0
83 #define	MACS1	0x1
84 #define	MACW	0x2
85 #define	MACW1	0x3
86 #define	MACINTS	0x4
87 #define	MACINTW	0x5
88 #define	ACC3	0x6
89 #define	MACMV	0x7
90 #define	ANDXOR	0x8
91 #define	TSTNEG	0x9
92 #define	LIMIT	0xA
93 #define	LIMIT1	0xB
94 #define	LOG	0xC
95 #define	EXP	0xD
96 #define	INTERP	0xE
97 #define	SKIP	0xF
98 
99 #define	GPR(i)	(sc->gpr_base+(i))
100 #define	INP(i)	(sc->input_base+(i))
101 #define	OUTP(i)	(sc->output_base+(i))
102 #define	FX(i)	(i)
103 #define	FX2(i)	(sc->efxc_base+(i))
104 #define	DSP_CONST(i) (sc->dsp_zero+(i))
105 
106 #define	COND_NORMALIZED	DSP_CONST(0x1)
107 #define	COND_BORROW	DSP_CONST(0x2)
108 #define	COND_MINUS	DSP_CONST(0x3)
109 #define	COND_LESS_ZERO	DSP_CONST(0x4)
110 #define	COND_EQ_ZERO	DSP_CONST(0x5)
111 #define	COND_SATURATION	DSP_CONST(0x6)
112 #define	COND_NEQ_ZERO	DSP_CONST(0x8)
113 
114 #define	DSP_ACCUM	DSP_CONST(0x16)
115 #define	DSP_CCR		DSP_CONST(0x17)
116 
117 /* Live! Inputs */
118 #define	IN_AC97_L 	0x00
119 #define	IN_AC97_R 	0x01
120 #define	IN_AC97		IN_AC97_L
121 #define	IN_SPDIF_CD_L	0x02
122 #define	IN_SPDIF_CD_R	0x03
123 #define	IN_SPDIF_CD	IN_SPDIF_CD_L
124 #define	IN_ZOOM_L 	0x04
125 #define	IN_ZOOM_R 	0x05
126 #define	IN_ZOOM		IN_ZOOM_L
127 #define	IN_TOSLINK_L	0x06
128 #define	IN_TOSLINK_R	0x07
129 #define	IN_TOSLINK	IN_TOSLINK_L
130 #define	IN_LINE1_L	0x08
131 #define	IN_LINE1_R	0x09
132 #define	IN_LINE1	IN_LINE1_L
133 #define	IN_COAX_SPDIF_L	0x0a
134 #define	IN_COAX_SPDIF_R	0x0b
135 #define	IN_COAX_SPDIF	IN_COAX_SPDIF_L
136 #define	IN_LINE2_L	0x0c
137 #define	IN_LINE2_R	0x0d
138 #define	IN_LINE2	IN_LINE2_L
139 #define	IN_0E		0x0e
140 #define	IN_0F		0x0f
141 
142 /* Outputs */
143 #define	OUT_AC97_L	0x00
144 #define	OUT_AC97_R	0x01
145 #define	OUT_AC97	OUT_AC97_L
146 #define	OUT_A_FRONT	OUT_AC97
147 #define	OUT_TOSLINK_L 	0x02
148 #define	OUT_TOSLINK_R 	0x03
149 #define	OUT_TOSLINK	OUT_TOSLINK_L
150 #define	OUT_D_CENTER	0x04
151 #define	OUT_D_SUB	0x05
152 #define	OUT_HEADPHONE_L	0x06
153 #define	OUT_HEADPHONE_R	0x07
154 #define	OUT_HEADPHONE	OUT_HEADPHONE_L
155 #define	OUT_REAR_L	0x08
156 #define	OUT_REAR_R	0x09
157 #define	OUT_REAR	OUT_REAR_L
158 #define	OUT_ADC_REC_L 	0x0a
159 #define	OUT_ADC_REC_R	0x0b
160 #define	OUT_ADC_REC	OUT_ADC_REC_L
161 #define	OUT_MIC_CAP	0x0c
162 
163 /* Live! 5.1 Digital, non-standard 5.1 (center & sub) outputs */
164 #define	OUT_A_CENTER	0x11
165 #define	OUT_A_SUB	0x12
166 
167 /* Audigy Inputs */
168 #define	A_IN_AC97_L	0x00
169 #define	A_IN_AC97_R	0x01
170 #define	A_IN_AC97	A_IN_AC97_L
171 #define	A_IN_SPDIF_CD_L	0x02
172 #define	A_IN_SPDIF_CD_R	0x03
173 #define	A_IN_SPDIF_CD	A_IN_SPDIF_CD_L
174 #define	A_IN_O_SPDIF_L	0x04
175 #define	A_IN_O_SPDIF_R	0x05
176 #define	A_IN_O_SPDIF	A_IN_O_SPDIF_L
177 #define	A_IN_LINE2_L	0x08
178 #define	A_IN_LINE2_R	0x09
179 #define	A_IN_LINE2	A_IN_LINE2_L
180 #define	A_IN_R_SPDIF_L	0x0a
181 #define	A_IN_R_SPDIF_R	0x0b
182 #define	A_IN_R_SPDIF	A_IN_R_SPDIF_L
183 #define	A_IN_AUX2_L	0x0c
184 #define	A_IN_AUX2_R	0x0d
185 #define	A_IN_AUX2	A_IN_AUX2_L
186 
187 /* Audigy Outputs */
188 #define	A_OUT_D_FRONT_L	0x00
189 #define	A_OUT_D_FRONT_R	0x01
190 #define	A_OUT_D_FRONT	A_OUT_D_FRONT_L
191 #define	A_OUT_D_CENTER	0x02
192 #define	A_OUT_D_SUB	0x03
193 #define	A_OUT_D_SIDE_L	0x04
194 #define	A_OUT_D_SIDE_R	0x05
195 #define	A_OUT_D_SIDE	A_OUT_D_SIDE_L
196 #define	A_OUT_D_REAR_L	0x06
197 #define	A_OUT_D_REAR_R	0x07
198 #define	A_OUT_D_REAR	A_OUT_D_REAR_L
199 
200 /* on Audigy Platinum only */
201 #define	A_OUT_HPHONE_L	0x04
202 #define	A_OUT_HPHONE_R	0x05
203 #define	A_OUT_HPHONE	A_OUT_HPHONE_L
204 
205 #define	A_OUT_A_FRONT_L	0x08
206 #define	A_OUT_A_FRONT_R	0x09
207 #define	A_OUT_A_FRONT	A_OUT_A_FRONT_L
208 #define	A_OUT_A_CENTER	0x0a
209 #define	A_OUT_A_SUB	0x0b
210 #define	A_OUT_A_SIDE_L	0x0c
211 #define	A_OUT_A_SIDE_R	0x0d
212 #define	A_OUT_A_SIDE	A_OUT_A_SIDE_L
213 #define	A_OUT_A_REAR_L	0x0e
214 #define	A_OUT_A_REAR_R	0x0f
215 #define	A_OUT_A_REAR	A_OUT_A_REAR_L
216 #define	A_OUT_AC97_L	0x10
217 #define	A_OUT_AC97_R	0x11
218 #define	A_OUT_AC97	A_OUT_AC97_L
219 #define	A_OUT_ADC_REC_L	0x16
220 #define	A_OUT_ADC_REC_R	0x17
221 #define	A_OUT_ADC_REC	A_OUT_ADC_REC_L
222 
223 #define EMU_DATA2	0x24
224 #define EMU_IPR2	0x28
225 #define EMU_INTE2	0x2c
226 #define EMU_IPR3	0x38
227 #define EMU_INTE3	0x3c
228 
229 #define EMU_A2_SRCSel		0x60
230 #define EMU_A2_SRCMULTI_ENABLE	0x6e
231 
232 #define EMU_A_I2S_CAPTURE_96000	0x00000400
233 
234 #define EMU_A2_MIXER_I2S_ENABLE           0x7B
235 #define EMU_A2_MIXER_SPDIF_ENABLE         0x7A
236 
237 #define	C_FRONT_L	0
238 #define	C_FRONT_R	1
239 #define	C_REC_L		2
240 #define	C_REC_R		3
241 #define	C_REAR_L	4
242 #define	C_REAR_R	5
243 #define	C_CENTER	6
244 #define	C_SUB		7
245 #define	C_SIDE_L	8
246 #define	C_SIDE_R	9
247 #define	NUM_CACHES	10
248 
249 #define	CDSPDIFMUTE	0
250 #define	ANALOGMUTE	1
251 #define	NUM_MUTE	2
252 
253 #define	EMU_MAX_GPR	512
254 #define	EMU_MAX_IRQ_CONSUMERS 32
255 
256 struct emu_voice {
257 	int	vnum;
258 	unsigned int	b16:1, stereo:1, busy:1, running:1, ismaster:1;
259 	int	speed;
260 	int	start;
261 	int	end;
262 	int	vol;
263 	uint32_t buf;
264 	void	*vbuf;
265 	struct emu_voice *slave;
266 	uint32_t sa;
267 	uint32_t ea;
268 	uint32_t routing[8];
269 	uint32_t amounts[8];
270 };
271 
272 struct emu_memblk {
273 	SLIST_ENTRY(emu_memblk)	link;
274 	void		*buf;
275 	char		owner[16];
276 	bus_addr_t	buf_addr;
277 	uint32_t	pte_start, pte_size;
278 	bus_dmamap_t	buf_map;
279 };
280 
281 struct emu_mem {
282 	uint8_t		bmap[EMU_MAXPAGES / 8];
283 	uint32_t	*ptb_pages;
284 	void		*silent_page;
285 	bus_addr_t	ptb_pages_addr;
286 	bus_addr_t	silent_page_addr;
287 	bus_dmamap_t	ptb_map;
288 	bus_dmamap_t	silent_map;
289 	bus_dma_tag_t	dmat;
290 	struct emu_sc_info *card;
291 	SLIST_HEAD(, emu_memblk) blocks;
292 };
293 
294 /* rm */
295 struct emu_rm {
296 	struct emu_sc_info *card;
297 	struct mtx	gpr_lock;
298 	signed int	allocmap[EMU_MAX_GPR];
299 	int		num_gprs;
300 	int		last_free_gpr;
301 	int 		num_used;
302 };
303 
304 struct emu_intr_handler {
305 	void*		softc;
306 	uint32_t	intr_mask;
307 	uint32_t	inte_mask;
308 	uint32_t(*irq_func) (void *softc, uint32_t irq);
309 };
310 
311 struct emu_sc_info {
312 	struct mtx	lock;
313 	struct mtx	rw;		/* Hardware exclusive access lock */
314 
315 	/* Hardware and subdevices */
316 	device_t	dev;
317 	device_t	pcm[RT_COUNT];
318 	device_t	midi[2];
319 	uint32_t	type;
320 	uint32_t	rev;
321 
322 	bus_space_tag_t	st;
323 	bus_space_handle_t sh;
324 
325 	struct cdev	*cdev;		/* /dev/emu10k character device */
326 	struct mtx	emu10kx_lock;
327 	int		emu10kx_isopen;
328 	struct sbuf	emu10kx_sbuf;
329 	int		emu10kx_bufptr;
330 
331 	/* Resources */
332 	struct resource	*reg;
333 	struct resource	*irq;
334 	void 		*ih;
335 
336 	/* IRQ handlers */
337 	struct emu_intr_handler ihandler[EMU_MAX_IRQ_CONSUMERS];
338 
339 	/* Card HW configuration */
340 	unsigned int	mode;	/* analog / digital */
341 	unsigned int	mchannel_fx;
342 	unsigned int	dsp_zero;
343 	unsigned int	code_base;
344 	unsigned int	code_size;
345 	unsigned int	gpr_base;
346 	unsigned int	num_gprs;
347 	unsigned int	input_base;
348 	unsigned int	output_base;
349 	unsigned int	efxc_base;
350 	unsigned int	opcode_shift;
351 	unsigned int	high_operand_shift;
352 	unsigned int	address_mask;
353 	uint32_t 	is_emu10k1:1, is_emu10k2, is_ca0102, is_ca0108:1,
354 			has_ac97:1, has_51:1, has_71:1,
355 			enable_ir:1,
356 			broken_digital:1, is_cardbus:1;
357 
358 	signed int	mch_disabled, mch_rec, dbg_level;
359 	signed int 	num_inputs;
360 	unsigned int 	num_outputs;
361 	unsigned int 	num_fxbuses;
362 	unsigned int 	routing_code_start;
363 	unsigned int	routing_code_end;
364 
365 	/* HW resources */
366 	struct emu_voice voice[NUM_G];			/* Hardware voices */
367 	uint32_t	irq_mask[EMU_MAX_IRQ_CONSUMERS]; /* IRQ manager data */
368 	int 		timer[EMU_MAX_IRQ_CONSUMERS];	/* timer */
369 	int		timerinterval;
370 	struct		emu_rm *rm;
371 	struct		emu_mem mem;			/* memory */
372 
373 	/* Mixer */
374 	int		mixer_gpr[NUM_MIXERS];
375 	int		mixer_volcache[NUM_MIXERS];
376 	int		cache_gpr[NUM_CACHES];
377 	int		dummy_gpr;
378 	int		mute_gpr[NUM_MUTE];
379 	struct sysctl_ctx_list	*ctx;
380 	struct sysctl_oid	*root;
381 };
382 
383 static void	emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error);
384 static void*	emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, bus_dmamap_t *map);
385 static void	emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map);
386 static void*	emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char * owner);
387 static int	emu_memfree(struct emu_mem *mem, void *membuf);
388 static int	emu_memstart(struct emu_mem *mem, void *membuf);
389 
390 /* /dev */
391 static int	emu10kx_dev_init(struct emu_sc_info *sc);
392 static int	emu10kx_dev_uninit(struct emu_sc_info *sc);
393 static int	emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s);
394 
395 static void	emumix_set_mode(struct emu_sc_info *sc, int mode);
396 static void	emumix_set_spdif_mode(struct emu_sc_info *sc, int mode);
397 static void	emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol);
398 static void	emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val);
399 static int	sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS);
400 
401 static int	emu_rm_init(struct emu_sc_info *sc);
402 static int	emu_rm_uninit(struct emu_sc_info *sc);
403 static int	emu_rm_gpr_alloc(struct emu_rm *rm, int count);
404 
405 static unsigned int emu_getcard(device_t dev);
406 static uint32_t	emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size);
407 static void	emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size);
408 static void	emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data);
409 
410 static void	emu_vstop(struct emu_sc_info *sc, char channel, int enable);
411 
412 static void	emu_intr(void *p);
413 static void	emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data);
414 static void	emu_addefxop(struct emu_sc_info *sc, unsigned int op, unsigned int z, unsigned int w, unsigned int x, unsigned int y, uint32_t * pc);
415 static void	emu_initefx(struct emu_sc_info *sc);
416 
417 static int	emu_cardbus_init(struct emu_sc_info *sc);
418 static int	emu_init(struct emu_sc_info *sc);
419 static int	emu_uninit(struct emu_sc_info *sc);
420 
421 static int	emu_read_ivar(device_t bus __unused, device_t dev, int ivar_index, uintptr_t * result);
422 static int	emu_write_ivar(device_t bus __unused, device_t dev __unused,
423     int ivar_index, uintptr_t value __unused);
424 
425 static int	emu_pci_probe(device_t dev);
426 static int	emu_pci_attach(device_t dev);
427 static int	emu_pci_detach(device_t dev);
428 static int	emu_modevent(module_t mod __unused, int cmd, void *data __unused);
429 
430 #ifdef	SND_EMU10KX_DEBUG
431 
432 #define EMU_MTX_DEBUG() do { 						\
433 		if (mtx_owned(&sc->rw)) {				\
434 		printf("RW owned in %s line %d for %s\n", __func__,	\
435 			__LINE__ , device_get_nameunit(sc->dev));	\
436 		printf("rw lock owned: %d\n", mtx_owned(&sc->rw));	\
437 		printf("rw lock: value %x thread %x\n",			\
438 			((&sc->rw)->mtx_lock & ~MTX_FLAGMASK), 		\
439 			(uintptr_t)curthread);				\
440 		printf("rw lock: recursed %d\n", mtx_recursed(&sc->rw));\
441 		db_show_mtx(&sc->rw);					\
442 		}							\
443 	} while (0)
444 #else
445 #define EMU_MTX_DEBUG() do { 						\
446 	} while (0)
447 #endif
448 
449 #define EMU_RWLOCK() do {		\
450 	EMU_MTX_DEBUG();		\
451 	mtx_lock(&(sc->rw));		\
452 	} while (0)
453 
454 #define EMU_RWUNLOCK() do {		\
455 	mtx_unlock(&(sc->rw));		\
456 	EMU_MTX_DEBUG();		\
457 	} while (0)
458 
459 /* Supported cards */
460 struct emu_hwinfo {
461 	uint16_t	vendor;
462 	uint16_t	device;
463 	uint16_t	subvendor;
464 	uint16_t	subdevice;
465 	char		SBcode[8];
466 	char		desc[32];
467 	int		flags;
468 };
469 
470 static struct emu_hwinfo emu_cards[] = {
471 	{0xffff, 0xffff, 0xffff, 0xffff, "BADCRD", "Not a compatible card", 0},
472 	/* 0x0020..0x002f 4.0 EMU10K1 cards */
473 	{0x1102, 0x0002, 0x1102, 0x0020, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
474 	{0x1102, 0x0002, 0x1102, 0x0021, "CT4620", "SBLive!", HAS_AC97 | IS_EMU10K1},
475 	{0x1102, 0x0002, 0x1102, 0x002f, "CT????", "SBLive! mainboard implementation", HAS_AC97 | IS_EMU10K1},
476 
477 	/* (range unknown) 5.1 EMU10K1 cards */
478 	{0x1102, 0x0002, 0x1102, 0x100a, "CT????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
479 
480 	/* 0x80??..0x805? 4.0 EMU10K1 cards */
481 	{0x1102, 0x0002, 0x1102, 0x8022, "CT4780", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
482 	{0x1102, 0x0002, 0x1102, 0x8023, "CT4790", "SB PCI512", HAS_AC97 | IS_EMU10K1},
483 	{0x1102, 0x0002, 0x1102, 0x8024, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
484 	{0x1102, 0x0002, 0x1102, 0x8025, "CT????", "SBLive! Mainboard Implementation", HAS_AC97 | IS_EMU10K1},
485 	{0x1102, 0x0002, 0x1102, 0x8026, "CT4830", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
486 	{0x1102, 0x0002, 0x1102, 0x8027, "CT4832", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
487 	{0x1102, 0x0002, 0x1102, 0x8028, "CT4760", "SBLive! OEM version", HAS_AC97 | IS_EMU10K1},
488 	{0x1102, 0x0002, 0x1102, 0x8031, "CT4831", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
489 	{0x1102, 0x0002, 0x1102, 0x8040, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
490 	{0x1102, 0x0002, 0x1102, 0x8051, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
491 
492 	/* 0x8061..0x???? 5.1 EMU10K1  cards */
493 	{0x1102, 0x0002, 0x1102, 0x8061, "SB????", "SBLive! Player 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
494 	{0x1102, 0x0002, 0x1102, 0x8062, "CT4830", "SBLive! 1024", HAS_AC97 | HAS_51 | IS_EMU10K1},
495 	{0x1102, 0x0002, 0x1102, 0x8064, "SB????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
496 	{0x1102, 0x0002, 0x1102, 0x8065, "SB0220", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
497 	{0x1102, 0x0002, 0x1102, 0x8066, "CT4780", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
498 	{0x1102, 0x0002, 0x1102, 0x8067, "SB????", "SBLive!", HAS_AC97 | HAS_51 | IS_EMU10K1},
499 
500 	/* Generic SB Live! */
501 	{0x1102, 0x0002, 0x1102, 0x0000, "SB????", "SBLive! (Unknown model)", HAS_AC97 | IS_EMU10K1},
502 
503 	/* 0x0041..0x0043 EMU10K2 (some kind of Audigy) cards */
504 
505 	/* 0x0051..0x0051 5.1 CA0100-IAF cards */
506 	{0x1102, 0x0004, 0x1102, 0x0051, "SB0090", "Audigy", HAS_AC97 | HAS_51 | IS_EMU10K2},
507 	/* ES is CA0100-IDF chip that don't work in digital mode */
508 	{0x1102, 0x0004, 0x1102, 0x0052, "SB0160", "Audigy ES", HAS_AC97 | HAS_71 | IS_EMU10K2 | BROKEN_DIGITAL},
509 	/* 0x0053..0x005C 5.1 CA0101-NAF cards */
510 	{0x1102, 0x0004, 0x1102, 0x0053, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
511 	{0x1102, 0x0004, 0x1102, 0x0058, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
512 
513 	/* 0x1002..0x1009 5.1 CA0102-IAT cards */
514 	{0x1102, 0x0004, 0x1102, 0x1002, "SB????", "Audigy 2 Platinum", HAS_51 | IS_CA0102},
515 	{0x1102, 0x0004, 0x1102, 0x1005, "SB????", "Audigy 2 Platinum EX", HAS_51 | IS_CA0102},
516 	{0x1102, 0x0004, 0x1102, 0x1007, "SB0240", "Audigy 2", HAS_AC97 | HAS_51 | IS_CA0102},
517 
518 	/* 0x2001..0x2003 7.1 CA0102-ICT cards */
519 	{0x1102, 0x0004, 0x1102, 0x2001, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
520 	{0x1102, 0x0004, 0x1102, 0x2002, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
521 	/* XXX No reports about 0x2003 & 0x2004 cards */
522 	{0x1102, 0x0004, 0x1102, 0x2003, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
523 	{0x1102, 0x0004, 0x1102, 0x2004, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
524 	{0x1102, 0x0004, 0x1102, 0x2005, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
525 
526 	/* (range unknown) 7.1 CA0102-xxx Audigy 4 cards */
527 	{0x1102, 0x0004, 0x1102, 0x2007, "SB0380", "Audigy 4 Pro", HAS_AC97 | HAS_71 | IS_CA0102},
528 
529 	/* Generic Audigy or Audigy 2 */
530 	{0x1102, 0x0004, 0x1102, 0x0000, "SB????", "Audigy (Unknown model)", HAS_AC97 | HAS_51 | IS_EMU10K2},
531 
532 	/* We don't support CA0103-DAT (Audigy LS) cards */
533 	/* There is NO CA0104-xxx cards */
534 	/* There is NO CA0105-xxx cards */
535 	/* We don't support CA0106-DAT (SB Live! 24 bit) cards */
536 	/* There is NO CA0107-xxx cards */
537 
538 	/* 0x1000..0x1001 7.1 CA0108-IAT cards */
539 	{0x1102, 0x0008, 0x1102, 0x1000, "SB????", "Audigy 2 LS", HAS_AC97 | HAS_51 | IS_CA0108 | DIGITAL_ONLY},
540 	{0x1102, 0x0008, 0x1102, 0x1001, "SB0400", "Audigy 2 Value", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
541 	{0x1102, 0x0008, 0x1102, 0x1021, "SB0610", "Audigy 4", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
542 
543 	{0x1102, 0x0008, 0x1102, 0x2001, "SB0530", "Audigy 2 ZS CardBus", HAS_AC97 | HAS_71 | IS_CA0108 | IS_CARDBUS},
544 
545 	{0x1102, 0x0008, 0x0000, 0x0000, "SB????", "Audigy 2 Value (Unknown model)", HAS_AC97 | HAS_51 | IS_CA0108},
546 };
547 /* Unsupported cards */
548 
549 static struct emu_hwinfo emu_bad_cards[] = {
550 	/* APS cards should be possible to support */
551 	{0x1102, 0x0002, 0x1102, 0x4001, "EMUAPS", "E-mu APS", 0},
552 	{0x1102, 0x0002, 0x1102, 0x4002, "EMUAPS", "E-mu APS", 0},
553 	{0x1102, 0x0004, 0x1102, 0x4001, "EMU???", "E-mu 1212m [4001]", 0},
554 	/* Similar-named ("Live!" or "Audigy") cards on different chipsets */
555 	{0x1102, 0x8064, 0x0000, 0x0000, "SB0100", "SBLive! 5.1 OEM", 0},
556 	{0x1102, 0x0006, 0x0000, 0x0000, "SB0200", "DELL OEM SBLive! Value", 0},
557 	{0x1102, 0x0007, 0x0000, 0x0000, "SB0310", "Audigy LS", 0},
558 };
559 
560 /*
561  * Get best known information about device.
562  */
563 static unsigned int
564 emu_getcard(device_t dev)
565 {
566 	uint16_t device;
567 	uint16_t subdevice;
568 	unsigned int thiscard;
569 	int i;
570 
571 	device = pci_read_config(dev, PCIR_DEVICE, /* bytes */ 2);
572 	subdevice = pci_read_config(dev, PCIR_SUBDEV_0, /* bytes */ 2);
573 
574 	thiscard = 0;
575 	for (i = 1; i < nitems(emu_cards); i++) {
576 		if (device == emu_cards[i].device) {
577 			if (subdevice == emu_cards[i].subdevice) {
578 				thiscard = i;
579 				break;
580 			}
581 			if (0x0000 == emu_cards[i].subdevice) {
582 				thiscard = i;
583 				/*
584 				 * don't break, we can get more specific card
585 				 * later in the list.
586 				 */
587 			}
588 		}
589 	}
590 
591 	for (i = 0; i < nitems(emu_bad_cards); i++) {
592 		if (device == emu_bad_cards[i].device) {
593 			if (subdevice == emu_bad_cards[i].subdevice) {
594 				thiscard = 0;
595 				break;
596 			}
597 			if (0x0000 == emu_bad_cards[i].subdevice) {
598 				thiscard = 0;
599 				break;	/* we avoid all this cards */
600 			}
601 		}
602 	}
603 	return (thiscard);
604 }
605 
606 /*
607  * Base hardware interface are 32 (Audigy) or 64 (Audigy2) registers.
608  * Some of them are used directly, some of them provide pointer / data pairs.
609  */
610 static uint32_t
611 emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
612 {
613 
614 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
615 	switch (size) {
616 	case 1:
617 		return (bus_space_read_1(sc->st, sc->sh, regno));
618 	case 2:
619 		return (bus_space_read_2(sc->st, sc->sh, regno));
620 	case 4:
621 		return (bus_space_read_4(sc->st, sc->sh, regno));
622 	}
623 	return (0xffffffff);
624 }
625 
626 static void
627 emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
628 {
629 
630 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
631 	switch (size) {
632 	case 1:
633 		bus_space_write_1(sc->st, sc->sh, regno, data);
634 		break;
635 	case 2:
636 		bus_space_write_2(sc->st, sc->sh, regno, data);
637 		break;
638 	case 4:
639 		bus_space_write_4(sc->st, sc->sh, regno, data);
640 		break;
641 	}
642 }
643 /*
644  * EMU_PTR / EMU_DATA interface. Access to EMU10Kx is made
645  * via (channel, register) pair. Some registers are channel-specific,
646  * some not.
647  */
648 uint32_t
649 emu_rdptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg)
650 {
651 	uint32_t ptr, val, mask, size, offset;
652 
653 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
654 
655 	EMU_RWLOCK();
656 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
657 	val = emu_rd_nolock(sc, EMU_DATA, 4);
658 	EMU_RWUNLOCK();
659 
660 	/*
661 	 * XXX Some register numbers has data size and offset encoded in
662 	 * it to get only part of 32bit register. This use is not described
663 	 * in register name, be careful!
664 	 */
665 	if (reg & 0xff000000) {
666 		size = (reg >> 24) & 0x3f;
667 		offset = (reg >> 16) & 0x1f;
668 		mask = ((1 << size) - 1) << offset;
669 		val &= mask;
670 		val >>= offset;
671 	}
672 	return (val);
673 }
674 
675 void
676 emu_wrptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg, uint32_t data)
677 {
678 	uint32_t ptr, mask, size, offset;
679 
680 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
681 
682 	EMU_RWLOCK();
683 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
684 	/*
685 	 * XXX Another kind of magic encoding in register number. This can
686 	 * give you side effect - it will read previous data from register
687 	 * and change only required bits.
688 	 */
689 	if (reg & 0xff000000) {
690 		size = (reg >> 24) & 0x3f;
691 		offset = (reg >> 16) & 0x1f;
692 		mask = ((1 << size) - 1) << offset;
693 		data <<= offset;
694 		data &= mask;
695 		data |= emu_rd_nolock(sc, EMU_DATA, 4) & ~mask;
696 	}
697 	emu_wr_nolock(sc, EMU_DATA, data, 4);
698 	EMU_RWUNLOCK();
699 }
700 /*
701  * EMU_A2_PTR / EMU_DATA2 interface. Access to P16v is made
702  * via (channel, register) pair. Some registers are channel-specific,
703  * some not. This interface is supported by CA0102 and CA0108 chips only.
704  */
705 uint32_t
706 emu_rd_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg)
707 {
708 	uint32_t val;
709 
710 	/* XXX separate lock? */
711 	EMU_RWLOCK();
712 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
713 	val = emu_rd_nolock(sc, EMU_DATA2, 4);
714 
715 	EMU_RWUNLOCK();
716 
717 	return (val);
718 }
719 
720 void
721 emu_wr_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg, uint32_t data)
722 {
723 
724 	EMU_RWLOCK();
725 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
726 	emu_wr_nolock(sc, EMU_DATA2, data, 4);
727 	EMU_RWUNLOCK();
728 }
729 /*
730  * XXX CardBus interface. Not tested on any real hardware.
731  */
732 static void
733 emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data)
734 {
735 	uint32_t val;
736 
737 	/*
738 	 * 0x38 is IPE3 (CD S/PDIF interrupt pending register) on CA0102. Seems
739 	 * to be some reg/value accessible kind of config register on CardBus
740 	 * CA0108, with value(?) in top 16 bit, address(?) in low 16
741 	 */
742 
743 	val = emu_rd_nolock(sc, 0x38, 4);
744 	emu_wr_nolock(sc, 0x38, data, 4);
745 	val = emu_rd_nolock(sc, 0x38, 4);
746 
747 }
748 
749 /*
750  * Direct hardware register access
751  * Assume that it is never used to access EMU_PTR-based registers and can run unlocked.
752  */
753 void
754 emu_wr(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
755 {
756 	KASSERT(regno != EMU_PTR, ("emu_wr: attempt to write to EMU_PTR"));
757 	KASSERT(regno != EMU_A2_PTR, ("emu_wr: attempt to write to EMU_A2_PTR"));
758 
759 	emu_wr_nolock(sc, regno, data, size);
760 }
761 
762 uint32_t
763 emu_rd(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
764 {
765 	uint32_t rd;
766 
767 	KASSERT(regno != EMU_DATA, ("emu_rd: attempt to read DATA"));
768 	KASSERT(regno != EMU_DATA2, ("emu_rd: attempt to read DATA2"));
769 
770 	rd = emu_rd_nolock(sc, regno, size);
771 	return (rd);
772 }
773 
774 /*
775  * Enabling IR MIDI messages is another kind of black magic. It just
776  * has to be made this way. It really do it.
777  */
778 void
779 emu_enable_ir(struct emu_sc_info *sc)
780 {
781 	uint32_t iocfg;
782 
783 	if (sc->is_emu10k2 || sc->is_ca0102) {
784 		iocfg = emu_rd_nolock(sc, EMU_A_IOCFG, 2);
785 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT2, 2);
786 		DELAY(500);
787 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1 | EMU_A_IOCFG_GPOUT2, 2);
788 		DELAY(500);
789 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1, 2);
790 		DELAY(100);
791 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg, 2);
792 		device_printf(sc->dev, "Audigy IR MIDI events enabled.\n");
793 		sc->enable_ir = 1;
794 	}
795 	if (sc->is_emu10k1) {
796 		iocfg = emu_rd_nolock(sc, EMU_HCFG, 4);
797 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4);
798 		DELAY(500);
799 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4);
800 		DELAY(100);
801 		emu_wr_nolock(sc, EMU_HCFG, iocfg, 4);
802 		device_printf(sc->dev, "SB Live! IR MIDI events enabled.\n");
803 		sc->enable_ir = 1;
804 	}
805 }
806 
807 /*
808  * emu_timer_ - HW timer management
809  */
810 int
811 emu_timer_create(struct emu_sc_info *sc)
812 {
813 	int i, timer;
814 
815 	timer = -1;
816 
817 	mtx_lock(&sc->lock);
818 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
819 		if (sc->timer[i] == 0) {
820 			sc->timer[i] = -1;	/* disable it */
821 			timer = i;
822 			mtx_unlock(&sc->lock);
823 			return (timer);
824 		}
825 	mtx_unlock(&sc->lock);
826 
827 	return (-1);
828 }
829 
830 int
831 emu_timer_set(struct emu_sc_info *sc, int timer, int delay)
832 {
833 	int i;
834 
835 	if (timer < 0)
836 		return (-1);
837 
838 	RANGE(delay, 16, 1024);
839 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
840 
841 	mtx_lock(&sc->lock);
842 	sc->timer[timer] = delay;
843 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
844 		if (sc->timerinterval > sc->timer[i])
845 			sc->timerinterval = sc->timer[i];
846 
847 	/* XXX */
848 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
849 	mtx_unlock(&sc->lock);
850 
851 	return (timer);
852 }
853 
854 int
855 emu_timer_enable(struct emu_sc_info *sc, int timer, int go)
856 {
857 	uint32_t x;
858 	int ena_int;
859 	int i;
860 
861 	if (timer < 0)
862 		return (-1);
863 
864 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
865 
866 	mtx_lock(&sc->lock);
867 
868 	if ((go == 1) && (sc->timer[timer] < 0))
869 		sc->timer[timer] = -sc->timer[timer];
870 	if ((go == 0) && (sc->timer[timer] > 0))
871 		sc->timer[timer] = -sc->timer[timer];
872 
873 	ena_int = 0;
874 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
875 		if (sc->timerinterval > sc->timer[i])
876 			sc->timerinterval = sc->timer[i];
877 		if (sc->timer[i] > 0)
878 			ena_int = 1;
879 	}
880 
881 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
882 
883 	if (ena_int == 1) {
884 		x = emu_rd(sc, EMU_INTE, 4);
885 		x |= EMU_INTE_INTERTIMERENB;
886 		emu_wr(sc, EMU_INTE, x, 4);
887 	} else {
888 		x = emu_rd(sc, EMU_INTE, 4);
889 		x &= ~EMU_INTE_INTERTIMERENB;
890 		emu_wr(sc, EMU_INTE, x, 4);
891 	}
892 	mtx_unlock(&sc->lock);
893 	return (0);
894 }
895 
896 int
897 emu_timer_clear(struct emu_sc_info *sc, int timer)
898 {
899 	if (timer < 0)
900 		return (-1);
901 
902 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
903 
904 	emu_timer_enable(sc, timer, 0);
905 
906 	mtx_lock(&sc->lock);
907 	if (sc->timer[timer] != 0)
908 		sc->timer[timer] = 0;
909 	mtx_unlock(&sc->lock);
910 
911 	return (timer);
912 }
913 
914 /*
915  * emu_intr_ - HW interrupt handler management
916  */
917 int
918 emu_intr_register(struct emu_sc_info *sc, uint32_t inte_mask, uint32_t intr_mask, uint32_t(*func) (void *softc, uint32_t irq), void *isc)
919 {
920 	int i;
921 	uint32_t x;
922 
923 	mtx_lock(&sc->lock);
924 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
925 		if (sc->ihandler[i].inte_mask == 0) {
926 			sc->ihandler[i].inte_mask = inte_mask;
927 			sc->ihandler[i].intr_mask = intr_mask;
928 			sc->ihandler[i].softc = isc;
929 			sc->ihandler[i].irq_func = func;
930 			x = emu_rd(sc, EMU_INTE, 4);
931 			x |= inte_mask;
932 			emu_wr(sc, EMU_INTE, x, 4);
933 			mtx_unlock(&sc->lock);
934 			if (sc->dbg_level > 1)
935 				device_printf(sc->dev, "ihandle %d registered\n", i);
936 
937 			return (i);
938 		}
939 	mtx_unlock(&sc->lock);
940 	if (sc->dbg_level > 1)
941 		device_printf(sc->dev, "ihandle not registered\n");
942 
943 	return (-1);
944 }
945 
946 int
947 emu_intr_unregister(struct emu_sc_info *sc, int hnumber)
948 {
949 	uint32_t x;
950 	int i;
951 
952 	mtx_lock(&sc->lock);
953 
954 	if (sc->ihandler[hnumber].inte_mask == 0) {
955 		mtx_unlock(&sc->lock);
956 		return (-1);
957 	}
958 
959 	x = emu_rd(sc, EMU_INTE, 4);
960 	x &= ~sc->ihandler[hnumber].inte_mask;
961 
962 	sc->ihandler[hnumber].inte_mask = 0;
963 	sc->ihandler[hnumber].intr_mask = 0;
964 	sc->ihandler[hnumber].softc = NULL;
965 	sc->ihandler[hnumber].irq_func = NULL;
966 
967 	/* other interrupt handlers may use this EMU_INTE value */
968 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
969 		if (sc->ihandler[i].inte_mask != 0)
970 			x |= sc->ihandler[i].inte_mask;
971 
972 	emu_wr(sc, EMU_INTE, x, 4);
973 
974 	mtx_unlock(&sc->lock);
975 	return (hnumber);
976 }
977 
978 static void
979 emu_intr(void *p)
980 {
981 	struct emu_sc_info *sc = (struct emu_sc_info *)p;
982 	uint32_t stat, ack;
983 	int i;
984 
985 	for (;;) {
986 		stat = emu_rd(sc, EMU_IPR, 4);
987 		ack = 0;
988 		if (stat == 0)
989 			break;
990 		emu_wr(sc, EMU_IPR, stat, 4);
991 		for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
992 			if ((((sc->ihandler[i].intr_mask) & stat) != 0) &&
993 			    (((void *)sc->ihandler[i].irq_func) != NULL)) {
994 				ack |= sc->ihandler[i].irq_func(sc->ihandler[i].softc,
995 				    (sc->ihandler[i].intr_mask) & stat);
996 			}
997 		}
998 	if (sc->dbg_level > 1)
999 		if (stat & (~ack))
1000 			device_printf(sc->dev, "Unhandled interrupt: %08x\n", stat & (~ack));
1001 	}
1002 
1003 	if ((sc->is_ca0102) || (sc->is_ca0108))
1004 		for (;;) {
1005 			stat = emu_rd(sc, EMU_IPR2, 4);
1006 			ack = 0;
1007 			if (stat == 0)
1008 				break;
1009 			emu_wr(sc, EMU_IPR2, stat, 4);
1010 			if (sc->dbg_level > 1)
1011 				device_printf(sc->dev, "EMU_IPR2: %08x\n", stat);
1012 
1013 			break;	/* to avoid infinite loop. should be removed
1014 				 * after completion of P16V interface. */
1015 		}
1016 
1017 	if (sc->is_ca0102)
1018 		for (;;) {
1019 			stat = emu_rd(sc, EMU_IPR3, 4);
1020 			ack = 0;
1021 			if (stat == 0)
1022 				break;
1023 			emu_wr(sc, EMU_IPR3, stat, 4);
1024 			if (sc->dbg_level > 1)
1025 				device_printf(sc->dev, "EMU_IPR3: %08x\n", stat);
1026 
1027 			break;	/* to avoid infinite loop. should be removed
1028 				 * after completion of S/PDIF interface */
1029 		}
1030 }
1031 
1032 /*
1033  * Get data from private emu10kx structure for PCM buffer allocation.
1034  * Used by PCM code only.
1035  */
1036 bus_dma_tag_t
1037 emu_gettag(struct emu_sc_info *sc)
1038 {
1039 	return (sc->mem.dmat);
1040 }
1041 
1042 static void
1043 emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error)
1044 {
1045 	bus_addr_t *phys = (bus_addr_t *) arg;
1046 
1047 	*phys = error ? 0 : (bus_addr_t) segs->ds_addr;
1048 
1049 	if (bootverbose) {
1050 		printf("emu10kx: setmap (%lx, %lx), nseg=%d, error=%d\n",
1051 		    (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
1052 		    nseg, error);
1053 	}
1054 }
1055 
1056 static void *
1057 emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr,
1058     bus_dmamap_t *map)
1059 {
1060 	void *dmabuf;
1061 	int error;
1062 
1063 	*addr = 0;
1064 	if ((error = bus_dmamem_alloc(mem->dmat, &dmabuf, BUS_DMA_NOWAIT, map))) {
1065 		if (mem->card->dbg_level > 2)
1066 			device_printf(mem->card->dev, "emu_malloc: failed to alloc DMA map: %d\n", error);
1067 		return (NULL);
1068 		}
1069 	if ((error = bus_dmamap_load(mem->dmat, *map, dmabuf, sz, emu_setmap, addr, 0)) || !*addr) {
1070 		if (mem->card->dbg_level > 2)
1071 			device_printf(mem->card->dev, "emu_malloc: failed to load DMA memory: %d\n", error);
1072 		bus_dmamem_free(mem->dmat, dmabuf, *map);
1073 		return (NULL);
1074 		}
1075 	return (dmabuf);
1076 }
1077 
1078 static void
1079 emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map)
1080 {
1081 	bus_dmamap_unload(mem->dmat, map);
1082 	bus_dmamem_free(mem->dmat, dmabuf, map);
1083 }
1084 
1085 static void *
1086 emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char *owner)
1087 {
1088 	uint32_t blksz, start, idx, ofs, tmp, found;
1089 	struct emu_memblk *blk;
1090 	void *membuf;
1091 
1092 	blksz = sz / EMUPAGESIZE;
1093 	if (sz > (blksz * EMUPAGESIZE))
1094 		blksz++;
1095 	if (blksz > EMU_MAX_BUFSZ / EMUPAGESIZE) {
1096 		if (mem->card->dbg_level > 2)
1097 			device_printf(mem->card->dev, "emu_memalloc: memory request tool large\n");
1098 		return (NULL);
1099 		}
1100 	/* find a free block in the bitmap */
1101 	found = 0;
1102 	start = 1;
1103 	while (!found && start + blksz < EMU_MAXPAGES) {
1104 		found = 1;
1105 		for (idx = start; idx < start + blksz; idx++)
1106 			if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
1107 				found = 0;
1108 		if (!found)
1109 			start++;
1110 	}
1111 	if (!found) {
1112 		if (mem->card->dbg_level > 2)
1113 			device_printf(mem->card->dev, "emu_memalloc: no free space in bitmap\n");
1114 		return (NULL);
1115 		}
1116 	blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
1117 	if (blk == NULL) {
1118 		if (mem->card->dbg_level > 2)
1119 			device_printf(mem->card->dev, "emu_memalloc: buffer allocation failed\n");
1120 		return (NULL);
1121 		}
1122 	bzero(blk, sizeof(*blk));
1123 	membuf = emu_malloc(mem, sz, &blk->buf_addr, &blk->buf_map);
1124 	*addr = blk->buf_addr;
1125 	if (membuf == NULL) {
1126 		if (mem->card->dbg_level > 2)
1127 			device_printf(mem->card->dev, "emu_memalloc: can't setup HW memory\n");
1128 		free(blk, M_DEVBUF);
1129 		return (NULL);
1130 	}
1131 	blk->buf = membuf;
1132 	blk->pte_start = start;
1133 	blk->pte_size = blksz;
1134 	strncpy(blk->owner, owner, 15);
1135 	blk->owner[15] = '\0';
1136 	ofs = 0;
1137 	for (idx = start; idx < start + blksz; idx++) {
1138 		mem->bmap[idx >> 3] |= 1 << (idx & 7);
1139 		tmp = (uint32_t) (blk->buf_addr + ofs);
1140 		mem->ptb_pages[idx] = (tmp << 1) | idx;
1141 		ofs += EMUPAGESIZE;
1142 	}
1143 	SLIST_INSERT_HEAD(&mem->blocks, blk, link);
1144 	return (membuf);
1145 }
1146 
1147 static int
1148 emu_memfree(struct emu_mem *mem, void *membuf)
1149 {
1150 	uint32_t idx, tmp;
1151 	struct emu_memblk *blk, *i;
1152 
1153 	blk = NULL;
1154 	SLIST_FOREACH(i, &mem->blocks, link) {
1155 		if (i->buf == membuf)
1156 			blk = i;
1157 	}
1158 	if (blk == NULL)
1159 		return (EINVAL);
1160 	SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
1161 	emu_free(mem, membuf, blk->buf_map);
1162 	tmp = (uint32_t) (mem->silent_page_addr) << 1;
1163 	for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
1164 		mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
1165 		mem->ptb_pages[idx] = tmp | idx;
1166 	}
1167 	free(blk, M_DEVBUF);
1168 	return (0);
1169 }
1170 
1171 static int
1172 emu_memstart(struct emu_mem *mem, void *membuf)
1173 {
1174 	struct emu_memblk *blk, *i;
1175 
1176 	blk = NULL;
1177 	SLIST_FOREACH(i, &mem->blocks, link) {
1178 		if (i->buf == membuf)
1179 			blk = i;
1180 	}
1181 	if (blk == NULL)
1182 		return (-1);
1183 	return (blk->pte_start);
1184 }
1185 
1186 static uint32_t
1187 emu_rate_to_pitch(uint32_t rate)
1188 {
1189 	static uint32_t logMagTable[128] = {
1190 		0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
1191 		0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
1192 		0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
1193 		0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
1194 		0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
1195 		0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
1196 		0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
1197 		0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
1198 		0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
1199 		0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
1200 		0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
1201 		0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
1202 		0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
1203 		0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
1204 		0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
1205 		0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
1206 	};
1207 	static char logSlopeTable[128] = {
1208 		0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
1209 		0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
1210 		0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
1211 		0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
1212 		0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
1213 		0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
1214 		0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
1215 		0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
1216 		0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
1217 		0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
1218 		0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
1219 		0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
1220 		0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
1221 		0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
1222 		0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
1223 		0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
1224 	};
1225 	int i;
1226 
1227 	if (rate == 0)
1228 		return (0);
1229 	rate *= 11185;		/* Scale 48000 to 0x20002380 */
1230 	for (i = 31; i > 0; i--) {
1231 		if (rate & 0x80000000) {	/* Detect leading "1" */
1232 			return (((uint32_t) (i - 15) << 20) +
1233 			    logMagTable[0x7f & (rate >> 24)] +
1234 			    (0x7f & (rate >> 17)) *
1235 			    logSlopeTable[0x7f & (rate >> 24)]);
1236 		}
1237 		rate <<= 1;
1238 	}
1239 	/* NOTREACHED */
1240 	return (0);
1241 }
1242 
1243 static uint32_t
1244 emu_rate_to_linearpitch(uint32_t rate)
1245 {
1246 	rate = (rate << 8) / 375;
1247 	return ((rate >> 1) + (rate & 1));
1248 }
1249 
1250 struct emu_voice *
1251 emu_valloc(struct emu_sc_info *sc)
1252 {
1253 	struct emu_voice *v;
1254 	int i;
1255 
1256 	v = NULL;
1257 	mtx_lock(&sc->lock);
1258 	for (i = 0; i < NUM_G && sc->voice[i].busy; i++);
1259 	if (i < NUM_G) {
1260 		v = &sc->voice[i];
1261 		v->busy = 1;
1262 	}
1263 	mtx_unlock(&sc->lock);
1264 	return (v);
1265 }
1266 
1267 void
1268 emu_vfree(struct emu_sc_info *sc, struct emu_voice *v)
1269 {
1270 	int i, r;
1271 
1272 	mtx_lock(&sc->lock);
1273 	for (i = 0; i < NUM_G; i++) {
1274 		if (v == &sc->voice[i] && sc->voice[i].busy) {
1275 			v->busy = 0;
1276 			/*
1277 			 * XXX What we should do with mono channels?
1278 			 * See -pcm.c emupchan_init for other side of
1279 			 * this problem
1280 			 */
1281 			if (v->slave != NULL)
1282 				r = emu_memfree(&sc->mem, v->vbuf);
1283 		}
1284 	}
1285 	mtx_unlock(&sc->lock);
1286 }
1287 
1288 int
1289 emu_vinit(struct emu_sc_info *sc, struct emu_voice *m, struct emu_voice *s,
1290     uint32_t sz, struct snd_dbuf *b)
1291 {
1292 	void *vbuf;
1293 	bus_addr_t tmp_addr;
1294 
1295 	vbuf = emu_memalloc(&sc->mem, sz, &tmp_addr, "vinit");
1296 	if (vbuf == NULL) {
1297 		if(sc->dbg_level > 2)
1298 			device_printf(sc->dev, "emu_memalloc returns NULL in enu_vinit\n");
1299 		return (ENOMEM);
1300 		}
1301 	if (b != NULL)
1302 		sndbuf_setup(b, vbuf, sz);
1303 	m->start = emu_memstart(&sc->mem, vbuf) * EMUPAGESIZE;
1304 	if (m->start < 0) {
1305 		if(sc->dbg_level > 2)
1306 			device_printf(sc->dev, "emu_memstart returns (-1) in enu_vinit\n");
1307 		emu_memfree(&sc->mem, vbuf);
1308 		return (ENOMEM);
1309 	}
1310 	m->end = m->start + sz;
1311 	m->speed = 0;
1312 	m->b16 = 0;
1313 	m->stereo = 0;
1314 	m->running = 0;
1315 	m->ismaster = 1;
1316 	m->vol = 0xff;
1317 	m->buf = tmp_addr;
1318 	m->vbuf = vbuf;
1319 	m->slave = s;
1320 	if (s != NULL) {
1321 		s->start = m->start;
1322 		s->end = m->end;
1323 		s->speed = 0;
1324 		s->b16 = 0;
1325 		s->stereo = 0;
1326 		s->running = 0;
1327 		s->ismaster = 0;
1328 		s->vol = m->vol;
1329 		s->buf = m->buf;
1330 		s->vbuf = NULL;
1331 		s->slave = NULL;
1332 	}
1333 	return (0);
1334 }
1335 
1336 void
1337 emu_vsetup(struct emu_voice *v, int fmt, int spd)
1338 {
1339 	if (fmt) {
1340 		v->b16 = (fmt & AFMT_16BIT) ? 1 : 0;
1341 		v->stereo = (AFMT_CHANNEL(fmt) > 1) ? 1 : 0;
1342 		if (v->slave != NULL) {
1343 			v->slave->b16 = v->b16;
1344 			v->slave->stereo = v->stereo;
1345 		}
1346 	}
1347 	if (spd) {
1348 		v->speed = spd;
1349 		if (v->slave != NULL)
1350 			v->slave->speed = v->speed;
1351 	}
1352 }
1353 
1354 void
1355 emu_vroute(struct emu_sc_info *sc, struct emu_route *rt,  struct emu_voice *v)
1356 {
1357 	int i;
1358 
1359 	for (i = 0; i < 8; i++) {
1360 		v->routing[i] = rt->routing_left[i];
1361 		v->amounts[i] = rt->amounts_left[i];
1362 	}
1363 	if ((v->stereo) && (v->ismaster == 0))
1364 		for (i = 0; i < 8; i++) {
1365 			v->routing[i] = rt->routing_right[i];
1366 			v->amounts[i] = rt->amounts_right[i];
1367 		}
1368 
1369 	if ((v->stereo) && (v->slave != NULL))
1370 		emu_vroute(sc, rt, v->slave);
1371 }
1372 
1373 void
1374 emu_vwrite(struct emu_sc_info *sc, struct emu_voice *v)
1375 {
1376 	int s;
1377 	uint32_t start, val, silent_page;
1378 
1379 	s = (v->stereo ? 1 : 0) + (v->b16 ? 1 : 0);
1380 
1381 	v->sa = v->start >> s;
1382 	v->ea = v->end >> s;
1383 
1384 	if (v->stereo) {
1385 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, EMU_CHAN_CPF_STEREO_MASK);
1386 	} else {
1387 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, 0);
1388 	}
1389 	val = v->stereo ? 28 : 30;
1390 	val *= v->b16 ? 1 : 2;
1391 	start = v->sa + val;
1392 
1393 	if (sc->is_emu10k1) {
1394 		emu_wrptr(sc, v->vnum, EMU_CHAN_FXRT, ((v->routing[3] << 12) |
1395 		    (v->routing[2] << 8) |
1396 		    (v->routing[1] << 4) |
1397 		    (v->routing[0] << 0)) << 16);
1398 	} else {
1399 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT1, (v->routing[3] << 24) |
1400 		    (v->routing[2] << 16) |
1401 		    (v->routing[1] << 8) |
1402 		    (v->routing[0] << 0));
1403 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT2, (v->routing[7] << 24) |
1404 		    (v->routing[6] << 16) |
1405 		    (v->routing[5] << 8) |
1406 		    (v->routing[4] << 0));
1407 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, (v->amounts[7] << 24) |
1408 		    (v->amounts[6] << 26) |
1409 		    (v->amounts[5] << 8) |
1410 		    (v->amounts[4] << 0));
1411 	}
1412 	emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX, (v->amounts[0] << 8) | (v->amounts[1] << 0));
1413 	emu_wrptr(sc, v->vnum, EMU_CHAN_DSL, v->ea | (v->amounts[3] << 24));
1414 	emu_wrptr(sc, v->vnum, EMU_CHAN_PSST, v->sa | (v->amounts[2] << 24));
1415 
1416 	emu_wrptr(sc, v->vnum, EMU_CHAN_CCCA, start | (v->b16 ? 0 : EMU_CHAN_CCCA_8BITSELECT));
1417 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z1, 0);
1418 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z2, 0);
1419 
1420 	silent_page = ((uint32_t) (sc->mem.silent_page_addr) << 1) | EMU_CHAN_MAP_PTI_MASK;
1421 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPA, silent_page);
1422 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPB, silent_page);
1423 
1424 	emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, EMU_CHAN_CVCF_CURRFILTER_MASK);
1425 	emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
1426 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDM, 0);
1427 	emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSM, EMU_CHAN_DCYSUSM_DECAYTIME_MASK);
1428 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL1, 0x8000);
1429 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL2, 0x8000);
1430 	emu_wrptr(sc, v->vnum, EMU_CHAN_FMMOD, 0);
1431 	emu_wrptr(sc, v->vnum, EMU_CHAN_TREMFRQ, 0);
1432 	emu_wrptr(sc, v->vnum, EMU_CHAN_FM2FRQ2, 0);
1433 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVAL, 0x8000);
1434 
1435 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDV, EMU_CHAN_ATKHLDV_HOLDTIME_MASK | EMU_CHAN_ATKHLDV_ATTACKTIME_MASK);
1436 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVOL, 0x8000);
1437 
1438 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_FILTERAMOUNT, 0x7f);
1439 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_PITCHAMOUNT, 0);
1440 	if ((v->stereo) && (v->slave != NULL))
1441 		emu_vwrite(sc, v->slave);
1442 }
1443 
1444 static void
1445 emu_vstop(struct emu_sc_info *sc, char channel, int enable)
1446 {
1447 	int reg;
1448 
1449 	reg = (channel & 0x20) ? EMU_SOLEH : EMU_SOLEL;
1450 	channel &= 0x1f;
1451 	reg |= 1 << 24;
1452 	reg |= channel << 16;
1453 	emu_wrptr(sc, 0, reg, enable);
1454 }
1455 
1456 void
1457 emu_vtrigger(struct emu_sc_info *sc, struct emu_voice *v, int go)
1458 {
1459 	uint32_t pitch_target, initial_pitch;
1460 	uint32_t cra, cs, ccis;
1461 	uint32_t sample, i;
1462 
1463 	if (go) {
1464 		cra = 64;
1465 		cs = v->stereo ? 4 : 2;
1466 		ccis = v->stereo ? 28 : 30;
1467 		ccis *= v->b16 ? 1 : 2;
1468 		sample = v->b16 ? 0x00000000 : 0x80808080;
1469 		for (i = 0; i < cs; i++)
1470 			emu_wrptr(sc, v->vnum, EMU_CHAN_CD0 + i, sample);
1471 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, 0);
1472 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_READADDRESS, cra);
1473 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, ccis);
1474 
1475 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xff00);
1476 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
1477 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0xffffffff);
1478 		emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSV, 0x00007f7f);
1479 		emu_vstop(sc, v->vnum, 0);
1480 
1481 		pitch_target = emu_rate_to_linearpitch(v->speed);
1482 		initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
1483 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, pitch_target);
1484 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, pitch_target);
1485 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, initial_pitch);
1486 	} else {
1487 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, 0);
1488 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, 0);
1489 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xffff);
1490 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
1491 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0x0000ffff);
1492 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, 0);
1493 		emu_vstop(sc, v->vnum, 1);
1494 	}
1495 	if ((v->stereo) && (v->slave != NULL))
1496 		emu_vtrigger(sc, v->slave, go);
1497 }
1498 
1499 int
1500 emu_vpos(struct emu_sc_info *sc, struct emu_voice *v)
1501 {
1502 	int s, ptr;
1503 
1504 	s = (v->b16 ? 1 : 0) + (v->stereo ? 1 : 0);
1505 	ptr = (emu_rdptr(sc, v->vnum, EMU_CHAN_CCCA_CURRADDR) - (v->start >> s)) << s;
1506 	return (ptr & ~0x0000001f);
1507 }
1508 
1509 /* fx */
1510 static void
1511 emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data)
1512 {
1513 	emu_wrptr(sc, 0, sc->code_base + pc, data);
1514 }
1515 
1516 static void
1517 emu_addefxop(struct emu_sc_info *sc, unsigned int op, unsigned int z, unsigned int w, unsigned int x, unsigned int y, uint32_t * pc)
1518 {
1519 	if ((*pc) + 1 > sc->code_size) {
1520 		device_printf(sc->dev, "DSP CODE OVERRUN: attept to write past code_size (pc=%d)\n", (*pc));
1521 		return;
1522 	}
1523 	emu_wrefx(sc, (*pc) * 2, (x << sc->high_operand_shift) | y);
1524 	emu_wrefx(sc, (*pc) * 2 + 1, (op << sc->opcode_shift) | (z << sc->high_operand_shift) | w);
1525 	(*pc)++;
1526 }
1527 
1528 static int
1529 sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS)
1530 {
1531 	struct emu_sc_info *sc;
1532 	int	mixer_id;
1533 	int	new_vol;
1534 	int	err;
1535 
1536 	sc = arg1;
1537 	mixer_id = arg2;
1538 
1539 	new_vol = emumix_get_volume(sc, mixer_id);
1540 	err = sysctl_handle_int(oidp, &new_vol, 0, req);
1541 
1542 	if (err || req->newptr == NULL)
1543 		return (err);
1544 	if (new_vol < 0 || new_vol > 100)
1545 		return (EINVAL);
1546 	emumix_set_volume(sc, mixer_id, new_vol);
1547 
1548 	return (0);
1549 }
1550 
1551 static int
1552 emu_addefxmixer(struct emu_sc_info *sc, const char *mix_name, const int mix_id, uint32_t defvolume)
1553 {
1554 	int volgpr;
1555 	char	sysctl_name[32];
1556 
1557 	volgpr = emu_rm_gpr_alloc(sc->rm, 1);
1558 	emumix_set_fxvol(sc, volgpr, defvolume);
1559 	/*
1560 	 * Mixer controls with NULL mix_name are handled
1561 	 * by AC97 emulation code or PCM mixer.
1562 	 */
1563 	if (mix_name != NULL) {
1564 		/*
1565 		 * Temporary sysctls should start with underscore,
1566 		 * see freebsd-current mailing list, emu10kx driver
1567 		 * discussion around 2006-05-24.
1568 		 */
1569 		snprintf(sysctl_name, 32, "_%s", mix_name);
1570 		SYSCTL_ADD_PROC(sc->ctx,
1571 		    SYSCTL_CHILDREN(sc->root), OID_AUTO, sysctl_name,
1572 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, mix_id,
1573 		    sysctl_emu_mixer_control, "I", "");
1574 	}
1575 
1576 	return (volgpr);
1577 }
1578 
1579 static int
1580 sysctl_emu_digitalswitch_control(SYSCTL_HANDLER_ARGS)
1581 {
1582 	struct emu_sc_info *sc;
1583 	int	new_val;
1584 	int	err;
1585 
1586 	sc = arg1;
1587 
1588 	new_val = (sc->mode == MODE_DIGITAL) ? 1 : 0;
1589 	err = sysctl_handle_int(oidp, &new_val, 0, req);
1590 
1591 	if (err || req->newptr == NULL)
1592 		return (err);
1593 	if (new_val < 0 || new_val > 1)
1594 		return (EINVAL);
1595 
1596 	switch (new_val) {
1597 		case 0:
1598 			emumix_set_mode(sc, MODE_ANALOG);
1599 			break;
1600 		case 1:
1601 			emumix_set_mode(sc, MODE_DIGITAL);
1602 			break;
1603 	}
1604 	return (0);
1605 }
1606 
1607 static void
1608 emu_digitalswitch(struct emu_sc_info *sc)
1609 {
1610 	/* XXX temporary? */
1611 	SYSCTL_ADD_PROC(sc->ctx, SYSCTL_CHILDREN(sc->root), OID_AUTO,
1612 	    "_digital", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
1613 	    sc, 0, sysctl_emu_digitalswitch_control, "I",
1614 	    "Enable digital output");
1615 
1616 	return;
1617 }
1618 
1619 /*
1620  * Allocate cache GPRs that will hold mixed output channels
1621  * and clear it on every DSP run.
1622  */
1623 #define	EFX_CACHE(CACHE_IDX) do {				\
1624 	sc->cache_gpr[CACHE_IDX] = emu_rm_gpr_alloc(sc->rm, 1); \
1625 	emu_addefxop(sc, ACC3, 					\
1626 		GPR(sc->cache_gpr[CACHE_IDX]), 			\
1627 		DSP_CONST(0), 					\
1628 		DSP_CONST(0), 					\
1629 		DSP_CONST(0), 					\
1630 		&pc);						\
1631 } while (0)
1632 
1633 /* Allocate GPR for volume control and route sound: OUT = OUT + IN * VOL */
1634 #define	EFX_ROUTE(TITLE, INP_NR, IN_GPR_IDX, OUT_CACHE_IDX, DEF) do { 	\
1635 	sc->mixer_gpr[IN_GPR_IDX] = emu_addefxmixer(sc, TITLE, IN_GPR_IDX,  DEF); \
1636 	sc->mixer_volcache[IN_GPR_IDX] = DEF; 			\
1637 	emu_addefxop(sc, MACS, 					\
1638 		GPR(sc->cache_gpr[OUT_CACHE_IDX]), 		\
1639 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1640 		INP_NR,						\
1641 		GPR(sc->mixer_gpr[IN_GPR_IDX]),			\
1642 		&pc);						\
1643 } while (0)
1644 
1645 /* allocate GPR, OUT = IN * VOL */
1646 #define	EFX_OUTPUT(TITLE, OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR, DEF) do {	\
1647 	sc->mixer_gpr[OUT_GPR_IDX] = emu_addefxmixer(sc, TITLE, OUT_GPR_IDX, DEF); \
1648 	sc->mixer_volcache[OUT_GPR_IDX] = DEF;			\
1649 	emu_addefxop(sc, MACS,					\
1650 		OUTP(OUTP_NR),					\
1651 		DSP_CONST(0),					\
1652 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1653 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1654 		&pc);						\
1655 } while (0)
1656 
1657 /* like EFX_OUTPUT, but don't allocate mixer gpr */
1658 #define	EFX_OUTPUTD(OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR) do {	\
1659 	emu_addefxop(sc, MACS,					\
1660 		OUTP(OUTP_NR),					\
1661 		DSP_CONST(0),					\
1662 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1663 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1664 		&pc);						\
1665 } while (0)
1666 
1667 /* skip next OPCOUNT instructions if FLAG != 0 */
1668 #define EFX_SKIP(OPCOUNT, FLAG_GPR) do {			\
1669 	emu_addefxop(sc, MACS,					\
1670 		DSP_CONST(0),					\
1671 		GPR(sc->mute_gpr[FLAG_GPR]),					\
1672 		DSP_CONST(0),					\
1673 		DSP_CONST(0),					\
1674 		&pc);						\
1675 	emu_addefxop(sc, SKIP,					\
1676 		DSP_CCR,					\
1677 		DSP_CCR,					\
1678 		COND_NEQ_ZERO,					\
1679 		OPCOUNT,					\
1680 		&pc);						\
1681 } while (0)
1682 
1683 #define EFX_COPY(TO, FROM) do {					\
1684 	emu_addefxop(sc, ACC3,					\
1685 		TO,						\
1686 		DSP_CONST(0),					\
1687 		DSP_CONST(0),					\
1688 		FROM,						\
1689 		&pc);						\
1690 } while (0)
1691 
1692 static void
1693 emu_initefx(struct emu_sc_info *sc)
1694 {
1695 	unsigned int i;
1696 	uint32_t pc;
1697 
1698 	/* stop DSP */
1699 	if (sc->is_emu10k1) {
1700 		emu_wrptr(sc, 0, EMU_DBG, EMU_DBG_SINGLE_STEP);
1701 	} else {
1702 		emu_wrptr(sc, 0, EMU_A_DBG, EMU_A_DBG_SINGLE_STEP);
1703 	}
1704 
1705 	/* code size is in instructions */
1706 	pc = 0;
1707 	for (i = 0; i < sc->code_size; i++) {
1708 		if (sc->is_emu10k1) {
1709 			emu_addefxop(sc, ACC3, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), &pc);
1710 		} else {
1711 			emu_addefxop(sc, SKIP, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0xf), DSP_CONST(0x0), &pc);
1712 		}
1713 	}
1714 
1715 	/* allocate GPRs for mute switches (EFX_SKIP). Mute by default */
1716 	for (i = 0; i < NUM_MUTE; i++) {
1717 		sc->mute_gpr[i] = emu_rm_gpr_alloc(sc->rm, 1);
1718 		emumix_set_gpr(sc, sc->mute_gpr[i], 1);
1719 	}
1720 	emu_digitalswitch(sc);
1721 
1722 	pc = 0;
1723 
1724 	/*
1725 	 * DSP code below is not good, because:
1726 	 * 1. It can be written smaller, if it can use DSP accumulator register
1727 	 * instead of cache_gpr[].
1728 	 * 2. It can be more careful when volume is 100%, because in DSP
1729 	 * x*0x7fffffff may not be equal to x !
1730 	 */
1731 
1732 	/* clean outputs */
1733 	for (i = 0; i < 16 ; i++) {
1734 		emu_addefxop(sc, ACC3, OUTP(i), DSP_CONST(0), DSP_CONST(0), DSP_CONST(0), &pc);
1735 	}
1736 
1737 	if (sc->is_emu10k1) {
1738 		EFX_CACHE(C_FRONT_L);
1739 		EFX_CACHE(C_FRONT_R);
1740 		EFX_CACHE(C_REC_L);
1741 		EFX_CACHE(C_REC_R);
1742 
1743 		/* fx0 to front/record, 100%/muted by default */
1744 		EFX_ROUTE("pcm_front_l", FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1745 		EFX_ROUTE("pcm_front_r", FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1746 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1747 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1748 
1749 		/* in0, from AC97 codec output */
1750 		EFX_ROUTE("ac97_front_l", INP(IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 0);
1751 		EFX_ROUTE("ac97_front_r", INP(IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 0);
1752 		EFX_ROUTE("ac97_rec_l", INP(IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1753 		EFX_ROUTE("ac97_rec_r", INP(IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1754 
1755 		/* in1, from CD S/PDIF */
1756 		/* XXX EFX_SKIP 4 assumes that each EFX_ROUTE is one DSP op */
1757 		EFX_SKIP(4, CDSPDIFMUTE);
1758 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1759 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1760 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1761 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1762 
1763 		if (sc->dbg_level > 0) {
1764 			/* in2, ZoomVide (???) */
1765 			EFX_ROUTE("zoom_front_l", INP(IN_ZOOM_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1766 			EFX_ROUTE("zoom_front_r", INP(IN_ZOOM_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1767 			EFX_ROUTE("zoom_rec_l", INP(IN_ZOOM_L), M_IN2_REC_L, C_REC_L, 0);
1768 			EFX_ROUTE("zoom_rec_r", INP(IN_ZOOM_R), M_IN2_REC_R, C_REC_R, 0);
1769 		}
1770 
1771 		/* in3, TOSLink  */
1772 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_FRONT_L, C_FRONT_L, 0);
1773 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_FRONT_R, C_FRONT_R, 0);
1774 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_REC_L, C_REC_L, 0);
1775 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_REC_R, C_REC_R, 0);
1776 		/* in4, LineIn  */
1777 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1778 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1779 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_REC_L, C_REC_L, 0);
1780 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_REC_R, C_REC_R, 0);
1781 
1782 		/* in5, on-card S/PDIF */
1783 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1784 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1785 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1786 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1787 
1788 		/* in6, Line2 on Live!Drive */
1789 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1790 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1791 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_REC_L, C_REC_L, 0);
1792 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_REC_R, C_REC_R, 0);
1793 
1794 		if (sc->dbg_level > 0) {
1795 			/* in7, unknown */
1796 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
1797 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
1798 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
1799 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
1800 		}
1801 
1802 		/* analog and digital */
1803 		EFX_OUTPUT("master_front_l", C_FRONT_L, M_MASTER_FRONT_L, OUT_AC97_L, 100);
1804 		EFX_OUTPUT("master_front_r", C_FRONT_R, M_MASTER_FRONT_R, OUT_AC97_R, 100);
1805 		/* S/PDIF */
1806 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_TOSLINK_L);
1807 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_TOSLINK_R);
1808 		/* Headphones */
1809 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_HEADPHONE_L);
1810 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_HEADPHONE_R);
1811 
1812 		/* rec output to "ADC" */
1813 		EFX_OUTPUT("master_rec_l", C_REC_L, M_MASTER_REC_L, OUT_ADC_REC_L, 100);
1814 		EFX_OUTPUT("master_rec_r", C_REC_R, M_MASTER_REC_R, OUT_ADC_REC_R, 100);
1815 
1816 		if (!(sc->mch_disabled)) {
1817 			/*
1818 			 * Additional channel volume is controlled by mixer in
1819 			 * emu_dspmixer_set() in -pcm.c
1820 			 */
1821 
1822 			/* fx2/3 (pcm1) to rear */
1823 			EFX_CACHE(C_REAR_L);
1824 			EFX_CACHE(C_REAR_R);
1825 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
1826 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
1827 
1828 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, OUT_REAR_L, 100);
1829 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, OUT_REAR_R, 100);
1830 			if (sc->has_51) {
1831 				/* fx4 (pcm2) to center */
1832 				EFX_CACHE(C_CENTER);
1833 				EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
1834 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1835 
1836 				/* XXX in digital mode (default) this should be muted because
1837 				this output is shared with digital out */
1838 				EFX_SKIP(1, ANALOGMUTE);
1839 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1840 
1841 				/* fx5 (pcm3) to sub */
1842 				EFX_CACHE(C_SUB);
1843 				EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
1844 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1845 
1846 				/* XXX in digital mode (default) this should be muted because
1847 				this output is shared with digital out */
1848 				EFX_SKIP(1, ANALOGMUTE);
1849 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1850 			}
1851 		} else {
1852 			/* SND_EMU10KX_MULTICHANNEL_DISABLED */
1853 			EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_REAR_L, OUT_REAR_L, 57); /* 75%*75% */
1854 			EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_REAR_R, OUT_REAR_R, 57); /* 75%*75% */
1855 
1856 #if 0
1857 			/* XXX 5.1 does not work */
1858 
1859 			if (sc->has_51) {
1860 				/* (fx0+fx1)/2 to center */
1861 				EFX_CACHE(C_CENTER);
1862 				emu_addefxop(sc, MACS,
1863 					GPR(sc->cache_gpr[C_CENTER]),
1864 					GPR(sc->cache_gpr[C_CENTER]),
1865 					DSP_CONST(0xd), /* = 1/2 */
1866 					GPR(sc->cache_gpr[C_FRONT_L]),
1867 					&pc);
1868 				emu_addefxop(sc, MACS,
1869 					GPR(sc->cache_gpr[C_CENTER]),
1870 					GPR(sc->cache_gpr[C_CENTER]),
1871 					DSP_CONST(0xd), /* = 1/2 */
1872 					GPR(sc->cache_gpr[C_FRONT_R]),
1873 					&pc);
1874 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1875 
1876 				/* XXX in digital mode (default) this should be muted because
1877 				this output is shared with digital out */
1878 				EFX_SKIP(1, ANALOGMUTE);
1879 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1880 
1881 				/* (fx0+fx1)/2  to sub */
1882 				EFX_CACHE(C_SUB);
1883 				emu_addefxop(sc, MACS,
1884 					GPR(sc->cache_gpr[C_CENTER]),
1885 					GPR(sc->cache_gpr[C_CENTER]),
1886 					DSP_CONST(0xd), /* = 1/2 */
1887 					GPR(sc->cache_gpr[C_FRONT_L]),
1888 					&pc);
1889 				emu_addefxop(sc, MACS,
1890 					GPR(sc->cache_gpr[C_CENTER]),
1891 					GPR(sc->cache_gpr[C_CENTER]),
1892 					DSP_CONST(0xd), /* = 1/2 */
1893 					GPR(sc->cache_gpr[C_FRONT_R]),
1894 					&pc);
1895 				/* XXX add lowpass filter here */
1896 
1897 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1898 
1899 				/* XXX in digital mode (default) this should be muted because
1900 				this output is shared with digital out */
1901 				EFX_SKIP(1, ANALOGMUTE);
1902 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1903 			}
1904 #endif
1905 		} /* !mch_disabled */
1906 		if (sc->mch_rec) {
1907 			/*
1908 			 * MCH RECORDING , hight 16 slots. On 5.1 cards first 4 slots
1909 			 * are used as outputs and already filled with data
1910 			 */
1911 			/*
1912 			 * XXX On Live! cards stream does not begin at zero offset.
1913 			 * It can be HW, driver or sound buffering problem.
1914 			 * Use sync substream (offset 0x3E) to let userland find
1915 			 * correct data.
1916 			 */
1917 
1918 			/*
1919 			 * Substream map (in byte offsets, each substream is 2 bytes):
1920 			 *	0x00..0x1E - outputs
1921 			 *	0x20..0x3E - FX, inputs and sync stream
1922 			 */
1923 
1924 			/* First 2 channels (offset 0x20,0x22) are empty */
1925 			for(i = (sc->has_51 ? 2 : 0); i < 2; i++)
1926 				EFX_COPY(FX2(i), DSP_CONST(0));
1927 
1928 			/* PCM Playback monitoring, offset 0x24..0x2A */
1929 			for(i = 0; i < 4; i++)
1930 				EFX_COPY(FX2(i+2), FX(i));
1931 
1932 			/* Copy of some inputs, offset 0x2C..0x3C */
1933 			for(i = 0; i < 9; i++)
1934 				EFX_COPY(FX2(i+8), INP(i));
1935 
1936 			/* sync data (0xc0de, offset 0x3E) */
1937 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
1938 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
1939 
1940 			EFX_COPY(FX2(15), GPR(sc->dummy_gpr));
1941 		} /* mch_rec */
1942 	} else /* emu10k2 and later */ {
1943 		EFX_CACHE(C_FRONT_L);
1944 		EFX_CACHE(C_FRONT_R);
1945 		EFX_CACHE(C_REC_L);
1946 		EFX_CACHE(C_REC_R);
1947 
1948 		/* fx0 to front/record, 100%/muted by default */
1949 		/*
1950 		 * FRONT_[L|R] is controlled by AC97 emulation in
1951 		 * emu_ac97_[read|write]_emulation in -pcm.c
1952 		 */
1953 		EFX_ROUTE(NULL, FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1954 		EFX_ROUTE(NULL, FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1955 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1956 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1957 
1958 		/* in0, from AC97 codec output */
1959 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 100);
1960 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 100);
1961 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1962 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1963 
1964 		/* in1, from CD S/PDIF */
1965 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1966 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1967 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1968 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1969 
1970 		/* in2, optical & coax S/PDIF on AudigyDrive*/
1971 		/* XXX Should be muted when GPRSCS valid stream == 0 */
1972 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1973 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1974 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_REC_L, C_REC_L, 0);
1975 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_REC_R, C_REC_R, 0);
1976 
1977 		if (sc->dbg_level > 0) {
1978 			/* in3, unknown */
1979 			EFX_ROUTE("in3_front_l", INP(0x6), M_IN3_FRONT_L, C_FRONT_L, 0);
1980 			EFX_ROUTE("in3_front_r", INP(0x7), M_IN3_FRONT_R, C_FRONT_R, 0);
1981 			EFX_ROUTE("in3_rec_l", INP(0x6), M_IN3_REC_L, C_REC_L, 0);
1982 			EFX_ROUTE("in3_rec_r", INP(0x7), M_IN3_REC_R, C_REC_R, 0);
1983 		}
1984 
1985 		/* in4, LineIn 2 on AudigyDrive */
1986 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1987 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1988 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_REC_L, C_REC_L, 0);
1989 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_REC_R, C_REC_R, 0);
1990 
1991 		/* in5, on-card S/PDIF */
1992 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1993 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1994 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1995 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1996 
1997 		/* in6, AUX2 on AudigyDrive */
1998 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1999 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
2000 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_REC_L, C_REC_L, 0);
2001 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_REC_R, C_REC_R, 0);
2002 
2003 		if (sc->dbg_level > 0) {
2004 			/* in7, unknown */
2005 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
2006 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
2007 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
2008 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
2009 		}
2010 
2011 		/* front output to headphones and  alog and digital *front */
2012 		/* volume controlled by AC97 emulation */
2013 		EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_FRONT_L, 100);
2014 		EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_FRONT_R, 100);
2015 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_FRONT_L);
2016 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_FRONT_R);
2017 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_HPHONE_L);
2018 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_HPHONE_R);
2019 
2020 		/* rec output to "ADC" */
2021 		/* volume controlled by AC97 emulation */
2022 		EFX_OUTPUT(NULL, C_REC_L, M_MASTER_REC_L, A_OUT_ADC_REC_L, 100);
2023 		EFX_OUTPUT(NULL, C_REC_R, M_MASTER_REC_R, A_OUT_ADC_REC_R, 100);
2024 
2025 		if (!(sc->mch_disabled)) {
2026 			/*
2027 			 * Additional channel volume is controlled by mixer in
2028 			 * emu_dspmixer_set() in -pcm.c
2029 			 */
2030 
2031 			/* fx2/3 (pcm1) to rear */
2032 			EFX_CACHE(C_REAR_L);
2033 			EFX_CACHE(C_REAR_R);
2034 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
2035 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
2036 
2037 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, A_OUT_A_REAR_L, 100);
2038 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, A_OUT_A_REAR_R, 100);
2039 			EFX_OUTPUTD(C_REAR_L, M_MASTER_REAR_L, A_OUT_D_REAR_L);
2040 			EFX_OUTPUTD(C_REAR_R, M_MASTER_REAR_R, A_OUT_D_REAR_R);
2041 
2042 			/* fx4 (pcm2) to center */
2043 			EFX_CACHE(C_CENTER);
2044 			EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
2045 			EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2046 #if 0
2047 			/*
2048 			 * XXX in digital mode (default) this should be muted
2049 			 * because this output is shared with digital out
2050 			 */
2051 			EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2052 #endif
2053 			/* fx5 (pcm3) to sub */
2054 			EFX_CACHE(C_SUB);
2055 			EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
2056 			EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2057 #if 0
2058 			/*
2059 			 * XXX in digital mode (default) this should be muted
2060 			 * because this output is shared with digital out
2061 			 */
2062 			EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2063 #endif
2064 			if (sc->has_71) {
2065 				/* XXX this will broke headphones on AudigyDrive */
2066 				/* fx6/7 (pcm4) to side */
2067 				EFX_CACHE(C_SIDE_L);
2068 				EFX_CACHE(C_SIDE_R);
2069 				EFX_ROUTE(NULL, FX(6), M_FX6_SIDE_L, C_SIDE_L, 100);
2070 				EFX_ROUTE(NULL, FX(7), M_FX7_SIDE_R, C_SIDE_R, 100);
2071 				EFX_OUTPUT(NULL, C_SIDE_L, M_MASTER_SIDE_L, A_OUT_A_SIDE_L, 100);
2072 				EFX_OUTPUT(NULL, C_SIDE_R, M_MASTER_SIDE_R, A_OUT_A_SIDE_R, 100);
2073 				EFX_OUTPUTD(C_SIDE_L, M_MASTER_SIDE_L, A_OUT_D_SIDE_L);
2074 				EFX_OUTPUTD(C_SIDE_R, M_MASTER_SIDE_R, A_OUT_D_SIDE_R);
2075 			}
2076 		} else {	/* mch_disabled */
2077 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_REAR_L);
2078 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_REAR_R);
2079 
2080 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_REAR_L);
2081 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_REAR_R);
2082 
2083 			if (sc->has_51) {
2084 				/* (fx0+fx1)/2 to center */
2085 				EFX_CACHE(C_CENTER);
2086 				emu_addefxop(sc, MACS,
2087 					GPR(sc->cache_gpr[C_CENTER]),
2088 					GPR(sc->cache_gpr[C_CENTER]),
2089 					DSP_CONST(0xd), /* = 1/2 */
2090 					GPR(sc->cache_gpr[C_FRONT_L]),
2091 					&pc);
2092 				emu_addefxop(sc, MACS,
2093 					GPR(sc->cache_gpr[C_CENTER]),
2094 					GPR(sc->cache_gpr[C_CENTER]),
2095 					DSP_CONST(0xd), /* = 1/2 */
2096 					GPR(sc->cache_gpr[C_FRONT_R]),
2097 					&pc);
2098 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2099 
2100 				/* XXX in digital mode (default) this should be muted because
2101 				this output is shared with digital out */
2102 				EFX_SKIP(1, ANALOGMUTE);
2103 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2104 
2105 				/* (fx0+fx1)/2  to sub */
2106 				EFX_CACHE(C_SUB);
2107 				emu_addefxop(sc, MACS,
2108 					GPR(sc->cache_gpr[C_SUB]),
2109 					GPR(sc->cache_gpr[C_SUB]),
2110 					DSP_CONST(0xd), /* = 1/2 */
2111 					GPR(sc->cache_gpr[C_FRONT_L]),
2112 					&pc);
2113 				emu_addefxop(sc, MACS,
2114 					GPR(sc->cache_gpr[C_SUB]),
2115 					GPR(sc->cache_gpr[C_SUB]),
2116 					DSP_CONST(0xd), /* = 1/2 */
2117 					GPR(sc->cache_gpr[C_FRONT_R]),
2118 					&pc);
2119 				/* XXX add lowpass filter here */
2120 
2121 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2122 
2123 				/* XXX in digital mode (default) this should be muted because
2124 				this output is shared with digital out */
2125 				EFX_SKIP(1, ANALOGMUTE);
2126 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2127 			}
2128 		} /* mch_disabled */
2129 		if (sc->mch_rec) {
2130 			/* MCH RECORDING, high 32 slots */
2131 
2132 			/*
2133 			 * Stream map (in byte offsets):
2134 			 *	0x00..0x3E - outputs
2135 			 *	0x40..0x7E - FX, inputs
2136 			 *	each substream is 2 bytes.
2137 			 */
2138 			/*
2139 			 * XXX Audigy 2 Value cards (and, possibly,
2140 			 * Audigy 4) write some unknown data in place of
2141 			 * some outputs (offsets 0x20..0x3F) and one
2142 			 * input (offset 0x7E).
2143 			 */
2144 
2145 			/* PCM Playback monitoring, offsets 0x40..0x5E */
2146 			for(i = 0; i < 16; i++)
2147 				EFX_COPY(FX2(i), FX(i));
2148 
2149 			/* Copy of all inputs, offsets 0x60..0x7E */
2150 			for(i = 0; i < 16; i++)
2151 				EFX_COPY(FX2(i+16), INP(i));
2152 #if 0
2153 			/* XXX Audigy seems to work correct and does not need this */
2154 			/* sync data (0xc0de), offset 0x7E */
2155 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2156 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
2157 			EFX_COPY(FX2(31), GPR(sc->dummy_gpr));
2158 #endif
2159 		} /* mch_rec */
2160 	}
2161 
2162 	sc->routing_code_end = pc;
2163 
2164 	/* start DSP */
2165 	if (sc->is_emu10k1) {
2166 		emu_wrptr(sc, 0, EMU_DBG, 0);
2167 	} else {
2168 		emu_wrptr(sc, 0, EMU_A_DBG, 0);
2169 	}
2170 }
2171 
2172 /* /dev/em10kx */
2173 static d_open_t		emu10kx_open;
2174 static d_close_t	emu10kx_close;
2175 static d_read_t		emu10kx_read;
2176 
2177 static struct cdevsw emu10kx_cdevsw = {
2178 	.d_open = 	emu10kx_open,
2179 	.d_close =	emu10kx_close,
2180 	.d_read = 	emu10kx_read,
2181 	.d_name = 	"emu10kx",
2182 	.d_version = 	D_VERSION,
2183 };
2184 
2185 static int
2186 emu10kx_open(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2187 {
2188 	int error;
2189 	struct emu_sc_info *sc;
2190 
2191 	sc = i_dev->si_drv1;
2192 	mtx_lock(&sc->emu10kx_lock);
2193 	if (sc->emu10kx_isopen) {
2194 		mtx_unlock(&sc->emu10kx_lock);
2195 		return (EBUSY);
2196 	}
2197 	sc->emu10kx_isopen = 1;
2198 	mtx_unlock(&sc->emu10kx_lock);
2199 	if (sbuf_new(&sc->emu10kx_sbuf, NULL, 4096, 0) == NULL) {
2200 		error = ENXIO;
2201 		goto out;
2202 	}
2203 	sc->emu10kx_bufptr = 0;
2204 	error = (emu10kx_prepare(sc, &sc->emu10kx_sbuf) > 0) ? 0 : ENOMEM;
2205 out:
2206 	if (error) {
2207 		mtx_lock(&sc->emu10kx_lock);
2208 		sc->emu10kx_isopen = 0;
2209 		mtx_unlock(&sc->emu10kx_lock);
2210 	}
2211 	return (error);
2212 }
2213 
2214 static int
2215 emu10kx_close(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2216 {
2217 	struct emu_sc_info *sc;
2218 
2219 	sc = i_dev->si_drv1;
2220 
2221 	mtx_lock(&sc->emu10kx_lock);
2222 	if (!(sc->emu10kx_isopen)) {
2223 		mtx_unlock(&sc->emu10kx_lock);
2224 		return (EBADF);
2225 	}
2226 	sbuf_delete(&sc->emu10kx_sbuf);
2227 	sc->emu10kx_isopen = 0;
2228 	mtx_unlock(&sc->emu10kx_lock);
2229 
2230 	return (0);
2231 }
2232 
2233 static int
2234 emu10kx_read(struct cdev *i_dev, struct uio *buf, int flag __unused)
2235 {
2236 	int l, err;
2237 	struct emu_sc_info *sc;
2238 
2239 	sc = i_dev->si_drv1;
2240 	mtx_lock(&sc->emu10kx_lock);
2241 	if (!(sc->emu10kx_isopen)) {
2242 		mtx_unlock(&sc->emu10kx_lock);
2243 		return (EBADF);
2244 	}
2245 	mtx_unlock(&sc->emu10kx_lock);
2246 
2247 	l = min(buf->uio_resid, sbuf_len(&sc->emu10kx_sbuf) - sc->emu10kx_bufptr);
2248 	err = (l > 0) ? uiomove(sbuf_data(&sc->emu10kx_sbuf) + sc->emu10kx_bufptr, l, buf) : 0;
2249 	sc->emu10kx_bufptr += l;
2250 
2251 	return (err);
2252 }
2253 
2254 static int
2255 emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s)
2256 {
2257 	int i;
2258 
2259 	sbuf_printf(s, "FreeBSD EMU10Kx Audio Driver\n");
2260 	sbuf_printf(s, "\nHardware resource usage:\n");
2261 	sbuf_printf(s, "DSP General Purpose Registers: %d used, %d total\n", sc->rm->num_used, sc->rm->num_gprs);
2262 	sbuf_printf(s, "DSP Instruction Registers: %d used, %d total\n", sc->routing_code_end, sc->code_size);
2263 	sbuf_printf(s, "Card supports");
2264 	if (sc->has_ac97) {
2265 		sbuf_printf(s, " AC97 codec");
2266 	} else {
2267 		sbuf_printf(s, " NO AC97 codec");
2268 	}
2269 	if (sc->has_51) {
2270 		if (sc->has_71)
2271 			sbuf_printf(s, " and 7.1 output");
2272 		else
2273 			sbuf_printf(s, " and 5.1 output");
2274 	}
2275 	if (sc->is_emu10k1)
2276 		sbuf_printf(s, ", SBLive! DSP code");
2277 	if (sc->is_emu10k2)
2278 		sbuf_printf(s, ", Audigy DSP code");
2279 	if (sc->is_ca0102)
2280 		sbuf_printf(s, ", Audigy DSP code with Audigy2 hacks");
2281 	if (sc->is_ca0108)
2282 		sbuf_printf(s, ", Audigy DSP code with Audigy2Value hacks");
2283 	sbuf_printf(s, "\n");
2284 	if (sc->broken_digital)
2285 		sbuf_printf(s, "Digital mode unsupported\n");
2286 	sbuf_printf(s, "\nInstalled devices:\n");
2287 	for (i = 0; i < RT_COUNT; i++)
2288 		if (sc->pcm[i] != NULL)
2289 			if (device_is_attached(sc->pcm[i])) {
2290 				sbuf_printf(s, "%s on %s\n", device_get_desc(sc->pcm[i]), device_get_nameunit(sc->pcm[i]));
2291 			}
2292 	if (sc->midi[0] != NULL)
2293 		if (device_is_attached(sc->midi[0])) {
2294 			sbuf_printf(s, "EMU10Kx MIDI Interface\n");
2295 			sbuf_printf(s, "\tOn-card connector on %s\n", device_get_nameunit(sc->midi[0]));
2296 		}
2297 	if (sc->midi[1] != NULL)
2298 		if (device_is_attached(sc->midi[1])) {
2299 			sbuf_printf(s, "\tOn-Drive connector on %s\n", device_get_nameunit(sc->midi[1]));
2300 		}
2301 	if (sc->midi[0] != NULL)
2302 		if (device_is_attached(sc->midi[0])) {
2303 			sbuf_printf(s, "\tIR receiver MIDI events %s\n", sc->enable_ir ? "enabled" : "disabled");
2304 		}
2305 	sbuf_printf(s, "Card is in %s mode\n", (sc->mode == MODE_ANALOG) ? "analog" : "digital");
2306 
2307 	sbuf_finish(s);
2308 	return (sbuf_len(s));
2309 }
2310 
2311 /* INIT & UNINIT */
2312 static int
2313 emu10kx_dev_init(struct emu_sc_info *sc)
2314 {
2315 	int unit;
2316 
2317 	mtx_init(&sc->emu10kx_lock, device_get_nameunit(sc->dev), "kxdevlock", 0);
2318 	unit = device_get_unit(sc->dev);
2319 
2320 	sc->cdev = make_dev(&emu10kx_cdevsw, PCMMINOR(unit), UID_ROOT, GID_WHEEL, 0640, "emu10kx%d", unit);
2321 	if (sc->cdev != NULL) {
2322 		sc->cdev->si_drv1 = sc;
2323 		return (0);
2324 	}
2325 	return (ENXIO);
2326 }
2327 
2328 static int
2329 emu10kx_dev_uninit(struct emu_sc_info *sc)
2330 {
2331 	mtx_lock(&sc->emu10kx_lock);
2332 	if (sc->emu10kx_isopen) {
2333 		mtx_unlock(&sc->emu10kx_lock);
2334 		return (EBUSY);
2335 	}
2336 	if (sc->cdev)
2337 		destroy_dev(sc->cdev);
2338 	sc->cdev = NULL;
2339 
2340 	mtx_destroy(&sc->emu10kx_lock);
2341 	return (0);
2342 }
2343 
2344 /* resource manager */
2345 int
2346 emu_rm_init(struct emu_sc_info *sc)
2347 {
2348 	int i;
2349 	int maxcount;
2350 	struct emu_rm *rm;
2351 
2352 	rm = malloc(sizeof(struct emu_rm), M_DEVBUF, M_NOWAIT | M_ZERO);
2353 	if (rm == NULL) {
2354 		return (ENOMEM);
2355 	}
2356 	sc->rm = rm;
2357 	rm->card = sc;
2358 	maxcount = sc->num_gprs;
2359 	rm->num_used = 0;
2360 	mtx_init(&(rm->gpr_lock), device_get_nameunit(sc->dev), "gpr alloc", MTX_DEF);
2361 	rm->num_gprs = (maxcount < EMU_MAX_GPR ? maxcount : EMU_MAX_GPR);
2362 	for (i = 0; i < rm->num_gprs; i++)
2363 		rm->allocmap[i] = 0;
2364 	/* pre-allocate gpr[0] */
2365 	rm->allocmap[0] = 1;
2366 	rm->last_free_gpr = 1;
2367 
2368 	return (0);
2369 }
2370 
2371 int
2372 emu_rm_uninit(struct emu_sc_info *sc)
2373 {
2374 	int i;
2375 
2376 	if (sc->dbg_level > 1) {
2377 		mtx_lock(&(sc->rm->gpr_lock));
2378 		for (i = 1; i < sc->rm->last_free_gpr; i++)
2379 			if (sc->rm->allocmap[i] > 0)
2380 				device_printf(sc->dev, "rm: gpr %d not free before uninit\n", i);
2381 		mtx_unlock(&(sc->rm->gpr_lock));
2382 	}
2383 
2384 	mtx_destroy(&(sc->rm->gpr_lock));
2385 	free(sc->rm, M_DEVBUF);
2386 	return (0);
2387 }
2388 
2389 static int
2390 emu_rm_gpr_alloc(struct emu_rm *rm, int count)
2391 {
2392 	int i, j;
2393 	int allocated_gpr;
2394 
2395 	allocated_gpr = rm->num_gprs;
2396 	/* try fast way first */
2397 	mtx_lock(&(rm->gpr_lock));
2398 	if (rm->last_free_gpr + count <= rm->num_gprs) {
2399 		allocated_gpr = rm->last_free_gpr;
2400 		rm->last_free_gpr += count;
2401 		rm->allocmap[allocated_gpr] = count;
2402 		for (i = 1; i < count; i++)
2403 			rm->allocmap[allocated_gpr + i] = -(count - i);
2404 	} else {
2405 		/* longer */
2406 		i = 0;
2407 		allocated_gpr = rm->num_gprs;
2408 		while (i < rm->last_free_gpr - count) {
2409 			if (rm->allocmap[i] > 0) {
2410 				i += rm->allocmap[i];
2411 			} else {
2412 				allocated_gpr = i;
2413 				for (j = 1; j < count; j++) {
2414 					if (rm->allocmap[i + j] != 0)
2415 						allocated_gpr = rm->num_gprs;
2416 				}
2417 				if (allocated_gpr == i)
2418 					break;
2419 			}
2420 		}
2421 		if (allocated_gpr + count < rm->last_free_gpr) {
2422 			rm->allocmap[allocated_gpr] = count;
2423 			for (i = 1; i < count; i++)
2424 				rm->allocmap[allocated_gpr + i] = -(count - i);
2425 		}
2426 	}
2427 	if (allocated_gpr == rm->num_gprs)
2428 		allocated_gpr = (-1);
2429 	if (allocated_gpr >= 0)
2430 		rm->num_used += count;
2431 	mtx_unlock(&(rm->gpr_lock));
2432 	return (allocated_gpr);
2433 }
2434 
2435 /* mixer */
2436 void
2437 emumix_set_mode(struct emu_sc_info *sc, int mode)
2438 {
2439 	uint32_t a_iocfg;
2440 	uint32_t hcfg;
2441 	uint32_t tmp;
2442 
2443 	switch (mode) {
2444 	case MODE_DIGITAL:
2445 		/* FALLTHROUGH */
2446 	case MODE_ANALOG:
2447 		break;
2448 	default:
2449 		return;
2450 	}
2451 
2452 	hcfg = EMU_HCFG_AUDIOENABLE | EMU_HCFG_AUTOMUTE;
2453 	a_iocfg = 0;
2454 
2455 	if (sc->rev >= 6)
2456 		hcfg |= EMU_HCFG_JOYENABLE;
2457 
2458 	if (sc->is_emu10k1)
2459 		hcfg |= EMU_HCFG_LOCKTANKCACHE_MASK;
2460 	else
2461 		hcfg |= EMU_HCFG_CODECFMT_I2S | EMU_HCFG_JOYENABLE;
2462 
2463 	if (mode == MODE_DIGITAL) {
2464 		if (sc->broken_digital) {
2465 			device_printf(sc->dev, "Digital mode is reported as broken on this card.\n");
2466 		}
2467 		a_iocfg |= EMU_A_IOCFG_GPOUT1;
2468 		hcfg |= EMU_HCFG_GPOUT0;
2469 	}
2470 
2471 	if (mode == MODE_ANALOG)
2472 		emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2473 
2474 	if (sc->is_emu10k2)
2475 		a_iocfg |= 0x80; /* XXX */
2476 
2477 	if ((sc->is_ca0102) || (sc->is_ca0108))
2478 		/*
2479 		 * Setting EMU_A_IOCFG_DISABLE_ANALOG will do opposite things
2480 		 * on diffrerent cards.
2481 		 * "don't disable analog outs" on Audigy 2 (ca0102/ca0108)
2482 		 * "disable analog outs" on Audigy (emu10k2)
2483 		 */
2484 		a_iocfg |= EMU_A_IOCFG_DISABLE_ANALOG;
2485 
2486 	if (sc->is_ca0108)
2487 		a_iocfg |= 0x20; /* XXX */
2488 
2489 	/* Mute analog center & subwoofer before mode change */
2490 	if (mode == MODE_DIGITAL)
2491 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 1);
2492 
2493 	emu_wr(sc, EMU_HCFG, hcfg, 4);
2494 
2495 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2496 		tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2497 		tmp = a_iocfg;
2498 		emu_wr(sc, EMU_A_IOCFG, tmp, 2);
2499 	}
2500 
2501 	/* Unmute if we have changed mode to analog. */
2502 
2503 	if (mode == MODE_ANALOG)
2504 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 0);
2505 
2506 	sc->mode = mode;
2507 }
2508 
2509 void
2510 emumix_set_spdif_mode(struct emu_sc_info *sc, int mode)
2511 {
2512 	uint32_t spcs;
2513 
2514 	switch (mode) {
2515 	case SPDIF_MODE_PCM:
2516 		break;
2517 	case SPDIF_MODE_AC3:
2518 		device_printf(sc->dev, "AC3 mode does not work and disabled\n");
2519 		return;
2520 	default:
2521 		return;
2522 	}
2523 
2524 	spcs = EMU_SPCS_CLKACCY_1000PPM | EMU_SPCS_SAMPLERATE_48 |
2525 	    EMU_SPCS_CHANNELNUM_LEFT | EMU_SPCS_SOURCENUM_UNSPEC |
2526 	    EMU_SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
2527 	    EMU_SPCS_EMPHASIS_NONE | EMU_SPCS_COPYRIGHT;
2528 
2529 	mode = SPDIF_MODE_PCM;
2530 
2531 	emu_wrptr(sc, 0, EMU_SPCS0, spcs);
2532 	emu_wrptr(sc, 0, EMU_SPCS1, spcs);
2533 	emu_wrptr(sc, 0, EMU_SPCS2, spcs);
2534 }
2535 
2536 #define	L2L_POINTS	10
2537 
2538 static int l2l_df[L2L_POINTS] = {
2539 	0x572C5CA,		/* 100..90 */
2540 	0x3211625,		/* 90..80 */
2541 	0x1CC1A76,		/* 80..70 */
2542 	0x108428F,		/* 70..60 */
2543 	0x097C70A,		/* 60..50 */
2544 	0x0572C5C,		/* 50..40 */
2545 	0x0321162,		/* 40..30 */
2546 	0x01CC1A7,		/* 30..20 */
2547 	0x0108428,		/* 20..10 */
2548 	0x016493D		/* 10..0 */
2549 };
2550 
2551 static int l2l_f[L2L_POINTS] = {
2552 	0x4984461A,		/* 90 */
2553 	0x2A3968A7,		/* 80 */
2554 	0x18406003,		/* 70 */
2555 	0x0DEDC66D,		/* 60 */
2556 	0x07FFFFFF,		/* 50 */
2557 	0x04984461,		/* 40 */
2558 	0x02A3968A,		/* 30 */
2559 	0x01840600,		/* 20 */
2560 	0x00DEDC66,		/* 10 */
2561 	0x00000000		/* 0 */
2562 };
2563 
2564 static int
2565 log2lin(int log_t)
2566 {
2567 	int lin_t;
2568 	int idx, lin;
2569 
2570 	if (log_t <= 0) {
2571 		lin_t = 0x00000000;
2572 		return (lin_t);
2573 	}
2574 
2575 	if (log_t >= 100) {
2576 		lin_t = 0x7fffffff;
2577 		return (lin_t);
2578 	}
2579 
2580 	idx = (L2L_POINTS - 1) - log_t / (L2L_POINTS);
2581 	lin = log_t % (L2L_POINTS);
2582 	lin_t = l2l_df[idx] * lin + l2l_f[idx];
2583 	return (lin_t);
2584 }
2585 
2586 void
2587 emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol)
2588 {
2589 
2590 	vol = log2lin(vol);
2591 	emumix_set_gpr(sc, gpr, vol);
2592 }
2593 
2594 void
2595 emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val)
2596 {
2597 	if (sc->dbg_level > 1)
2598 		if (gpr == 0) {
2599 			device_printf(sc->dev, "Zero gpr write access\n");
2600 #ifdef KDB
2601 			kdb_backtrace();
2602 #endif
2603 			return;
2604 			}
2605 
2606 	emu_wrptr(sc, 0, GPR(gpr), val);
2607 }
2608 
2609 void
2610 emumix_set_volume(struct emu_sc_info *sc, int mixer_idx, int volume)
2611 {
2612 
2613 	RANGE(volume, 0, 100);
2614 	if (mixer_idx < NUM_MIXERS) {
2615 		sc->mixer_volcache[mixer_idx] = volume;
2616 		emumix_set_fxvol(sc, sc->mixer_gpr[mixer_idx], volume);
2617 	}
2618 }
2619 
2620 int
2621 emumix_get_volume(struct emu_sc_info *sc, int mixer_idx)
2622 {
2623 	if ((mixer_idx < NUM_MIXERS) && (mixer_idx >= 0))
2624 		return (sc->mixer_volcache[mixer_idx]);
2625 	return (-1);
2626 }
2627 
2628 /* Init CardBus part */
2629 static int
2630 emu_cardbus_init(struct emu_sc_info *sc)
2631 {
2632 
2633 	/*
2634 	 * XXX May not need this if we have EMU_IPR3 handler.
2635 	 * Is it a real init calls, or EMU_IPR3 interrupt acknowledgments?
2636 	 * Looks much like "(data << 16) | register".
2637 	 */
2638 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0000);
2639 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0001);
2640 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x005f);
2641 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x007f);
2642 
2643 	emu_wr_cbptr(sc, (0x0090 << 16) | 0x007f);
2644 
2645 	return (0);
2646 }
2647 
2648 /* Probe and attach the card */
2649 static int
2650 emu_init(struct emu_sc_info *sc)
2651 {
2652 	uint32_t ch, tmp;
2653 	uint32_t spdif_sr;
2654 	uint32_t ac97slot;
2655 	int def_mode;
2656 	int i;
2657 
2658 	/* disable audio and lock cache */
2659 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2660 
2661 	/* reset recording buffers */
2662 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2663 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2664 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2665 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2666 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2667 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2668 
2669 	/* disable channel interrupt */
2670 	emu_wr(sc, EMU_INTE, EMU_INTE_INTERTIMERENB | EMU_INTE_SAMPLERATER | EMU_INTE_PCIERRENABLE, 4);
2671 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2672 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2673 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2674 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2675 
2676 	/* disable P16V and S/PDIF interrupts */
2677 	if ((sc->is_ca0102) || (sc->is_ca0108))
2678 		emu_wr(sc, EMU_INTE2, 0, 4);
2679 
2680 	if (sc->is_ca0102)
2681 		emu_wr(sc, EMU_INTE3, 0, 4);
2682 
2683 	/* init phys inputs and outputs */
2684 	ac97slot = 0;
2685 	if (sc->has_51)
2686 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE;
2687 	if (sc->has_71)
2688 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE | EMU_AC97SLOT_REAR_LEFT | EMU_AC97SLOT_REAR_RIGHT;
2689 	if (sc->is_emu10k2)
2690 		ac97slot |= 0x40;
2691 	emu_wrptr(sc, 0, EMU_AC97SLOT, ac97slot);
2692 
2693 	if (sc->is_emu10k2)	/* XXX for later cards? */
2694 		emu_wrptr(sc, 0, EMU_SPBYPASS, 0xf00);	/* What will happen if
2695 							 * we write 1 here? */
2696 
2697 	if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(sc->dev),
2698 	     /* alignment */ 2, /* boundary */ 0,
2699 	     /* lowaddr */ (1U << 31) - 1,	/* can only access 0-2gb */
2700 	     /* highaddr */ BUS_SPACE_MAXADDR,
2701 	     /* filter */ NULL, /* filterarg */ NULL,
2702 	     /* maxsize */ EMU_MAX_BUFSZ, /* nsegments */ 1, /* maxsegz */ 0x3ffff,
2703 	     /* flags */ 0, /* lockfunc */NULL, /* lockarg */NULL,
2704 	     &sc->mem.dmat) != 0) {
2705 		device_printf(sc->dev, "unable to create dma tag\n");
2706 		bus_dma_tag_destroy(sc->mem.dmat);
2707 		return (ENOMEM);
2708 	}
2709 
2710 	sc->mem.card = sc;
2711 	SLIST_INIT(&sc->mem.blocks);
2712 	sc->mem.ptb_pages = emu_malloc(&sc->mem, EMU_MAXPAGES * sizeof(uint32_t), &sc->mem.ptb_pages_addr, &sc->mem.ptb_map);
2713 	if (sc->mem.ptb_pages == NULL)
2714 		return (ENOMEM);
2715 
2716 	sc->mem.silent_page = emu_malloc(&sc->mem, EMUPAGESIZE, &sc->mem.silent_page_addr, &sc->mem.silent_map);
2717 	if (sc->mem.silent_page == NULL) {
2718 		emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2719 		return (ENOMEM);
2720 	}
2721 	/* Clear page with silence & setup all pointers to this page */
2722 	bzero(sc->mem.silent_page, EMUPAGESIZE);
2723 	tmp = (uint32_t) (sc->mem.silent_page_addr) << 1;
2724 	for (i = 0; i < EMU_MAXPAGES; i++)
2725 		sc->mem.ptb_pages[i] = tmp | i;
2726 
2727 	for (ch = 0; ch < NUM_G; ch++) {
2728 		emu_wrptr(sc, ch, EMU_CHAN_MAPA, tmp | EMU_CHAN_MAP_PTI_MASK);
2729 		emu_wrptr(sc, ch, EMU_CHAN_MAPB, tmp | EMU_CHAN_MAP_PTI_MASK);
2730 	}
2731 	emu_wrptr(sc, 0, EMU_PTB, (sc->mem.ptb_pages_addr));
2732 	emu_wrptr(sc, 0, EMU_TCB, 0);	/* taken from original driver */
2733 	emu_wrptr(sc, 0, EMU_TCBS, 0);	/* taken from original driver */
2734 
2735 	/* init envelope engine */
2736 	for (ch = 0; ch < NUM_G; ch++) {
2737 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2738 		emu_wrptr(sc, ch, EMU_CHAN_IP, 0);
2739 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
2740 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0xffff);
2741 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2742 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2743 		emu_wrptr(sc, ch, EMU_CHAN_CCR, 0);
2744 
2745 		emu_wrptr(sc, ch, EMU_CHAN_PSST, 0);
2746 		emu_wrptr(sc, ch, EMU_CHAN_DSL, 0x10);
2747 		emu_wrptr(sc, ch, EMU_CHAN_CCCA, 0);
2748 		emu_wrptr(sc, ch, EMU_CHAN_Z1, 0);
2749 		emu_wrptr(sc, ch, EMU_CHAN_Z2, 0);
2750 		emu_wrptr(sc, ch, EMU_CHAN_FXRT, 0xd01c0000);
2751 
2752 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDM, 0);
2753 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSM, 0);
2754 		emu_wrptr(sc, ch, EMU_CHAN_IFATN, 0xffff);
2755 		emu_wrptr(sc, ch, EMU_CHAN_PEFE, 0);
2756 		emu_wrptr(sc, ch, EMU_CHAN_FMMOD, 0);
2757 		emu_wrptr(sc, ch, EMU_CHAN_TREMFRQ, 24);	/* 1 Hz */
2758 		emu_wrptr(sc, ch, EMU_CHAN_FM2FRQ2, 24);	/* 1 Hz */
2759 		emu_wrptr(sc, ch, EMU_CHAN_TEMPENV, 0);
2760 
2761 		/*** these are last so OFF prevents writing ***/
2762 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL2, 0);
2763 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL1, 0);
2764 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDV, 0);
2765 		emu_wrptr(sc, ch, EMU_CHAN_ENVVOL, 0);
2766 		emu_wrptr(sc, ch, EMU_CHAN_ENVVAL, 0);
2767 
2768 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2769 			emu_wrptr(sc, ch, 0x4c, 0x0);
2770 			emu_wrptr(sc, ch, 0x4d, 0x0);
2771 			emu_wrptr(sc, ch, 0x4e, 0x0);
2772 			emu_wrptr(sc, ch, 0x4f, 0x0);
2773 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT1, 0x3f3f3f3f);
2774 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT2, 0x3f3f3f3f);
2775 			emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0x0);
2776 		}
2777 	}
2778 
2779 	emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2780 
2781 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2782 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, EMU_A_SPDIF_48000);
2783 
2784 	/*
2785 	 * CAxxxx cards needs additional setup:
2786 	 * 1. Set I2S capture sample rate to 96000
2787 	 * 2. Disable P16v / P17v proceesing
2788 	 * 3. Allow EMU10K DSP inputs
2789 	 */
2790 	if ((sc->is_ca0102) || (sc->is_ca0108)) {
2791 		spdif_sr = emu_rdptr(sc, 0, EMU_A_SPDIF_SAMPLERATE);
2792 		spdif_sr &= 0xfffff1ff;
2793 		spdif_sr |= EMU_A_I2S_CAPTURE_96000;
2794 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, spdif_sr);
2795 
2796 		/* Disable P16v processing */
2797 		emu_wr_p16vptr(sc, 0, EMU_A2_SRCSel, 0x14);
2798 
2799 		/* Setup P16v/P17v sound routing */
2800 		if (sc->is_ca0102)
2801 			emu_wr_p16vptr(sc, 0, EMU_A2_SRCMULTI_ENABLE, 0xFF00FF00);
2802 		else {
2803 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_I2S_ENABLE, 0xFF000000);
2804 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_SPDIF_ENABLE, 0xFF000000);
2805 
2806 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2807 			emu_wr(sc, EMU_A_IOCFG, tmp & ~0x8, 2);
2808 		}
2809 	}
2810 	emu_initefx(sc);
2811 
2812 	def_mode = MODE_ANALOG;
2813 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2814 		def_mode = MODE_DIGITAL;
2815 	if (((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) && (sc->broken_digital)) {
2816 		device_printf(sc->dev, "Audigy card initialized in analog mode.\n");
2817 		def_mode = MODE_ANALOG;
2818 	}
2819 	emumix_set_mode(sc, def_mode);
2820 
2821 	if (bootverbose) {
2822 		tmp = emu_rd(sc, EMU_HCFG, 4);
2823 		device_printf(sc->dev, "Card Configuration (   0x%08x )\n", tmp);
2824 		device_printf(sc->dev, "Card Configuration ( & 0xff000000 ) : %s%s%s%s%s%s%s%s\n",
2825 		    (tmp & 0x80000000 ? "[Legacy MPIC] " : ""),
2826 		    (tmp & 0x40000000 ? "[0x40] " : ""),
2827 		    (tmp & 0x20000000 ? "[0x20] " : ""),
2828 		    (tmp & 0x10000000 ? "[0x10] " : ""),
2829 		    (tmp & 0x08000000 ? "[0x08] " : ""),
2830 		    (tmp & 0x04000000 ? "[0x04] " : ""),
2831 		    (tmp & 0x02000000 ? "[0x02] " : ""),
2832 		    (tmp & 0x01000000 ? "[0x01]" : " "));
2833 		device_printf(sc->dev, "Card Configuration ( & 0x00ff0000 ) : %s%s%s%s%s%s%s%s\n",
2834 		    (tmp & 0x00800000 ? "[0x80] " : ""),
2835 		    (tmp & 0x00400000 ? "[0x40] " : ""),
2836 		    (tmp & 0x00200000 ? "[Legacy INT] " : ""),
2837 		    (tmp & 0x00100000 ? "[0x10] " : ""),
2838 		    (tmp & 0x00080000 ? "[0x08] " : ""),
2839 		    (tmp & 0x00040000 ? "[Codec4] " : ""),
2840 		    (tmp & 0x00020000 ? "[Codec2] " : ""),
2841 		    (tmp & 0x00010000 ? "[I2S Codec]" : " "));
2842 		device_printf(sc->dev, "Card Configuration ( & 0x0000ff00 ) : %s%s%s%s%s%s%s%s\n",
2843 		    (tmp & 0x00008000 ? "[0x80] " : ""),
2844 		    (tmp & 0x00004000 ? "[GPINPUT0] " : ""),
2845 		    (tmp & 0x00002000 ? "[GPINPUT1] " : ""),
2846 		    (tmp & 0x00001000 ? "[GPOUT0] " : ""),
2847 		    (tmp & 0x00000800 ? "[GPOUT1] " : ""),
2848 		    (tmp & 0x00000400 ? "[GPOUT2] " : ""),
2849 		    (tmp & 0x00000200 ? "[Joystick] " : ""),
2850 		    (tmp & 0x00000100 ? "[0x01]" : " "));
2851 		device_printf(sc->dev, "Card Configuration ( & 0x000000ff ) : %s%s%s%s%s%s%s%s\n",
2852 		    (tmp & 0x00000080 ? "[0x80] " : ""),
2853 		    (tmp & 0x00000040 ? "[0x40] " : ""),
2854 		    (tmp & 0x00000020 ? "[0x20] " : ""),
2855 		    (tmp & 0x00000010 ? "[AUTOMUTE] " : ""),
2856 		    (tmp & 0x00000008 ? "[LOCKSOUNDCACHE] " : ""),
2857 		    (tmp & 0x00000004 ? "[LOCKTANKCACHE] " : ""),
2858 		    (tmp & 0x00000002 ? "[MUTEBUTTONENABLE] " : ""),
2859 		    (tmp & 0x00000001 ? "[AUDIOENABLE]" : " "));
2860 
2861 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2862 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2863 			device_printf(sc->dev, "Audigy Card Configuration (    0x%04x )\n", tmp);
2864 			device_printf(sc->dev, "Audigy Card Configuration (  & 0xff00 )");
2865 			printf(" : %s%s%s%s%s%s%s%s\n",
2866 			    (tmp & 0x8000 ? "[Rear Speakers] " : ""),
2867 			    (tmp & 0x4000 ? "[Front Speakers] " : ""),
2868 			    (tmp & 0x2000 ? "[0x20] " : ""),
2869 			    (tmp & 0x1000 ? "[0x10] " : ""),
2870 			    (tmp & 0x0800 ? "[0x08] " : ""),
2871 			    (tmp & 0x0400 ? "[0x04] " : ""),
2872 			    (tmp & 0x0200 ? "[0x02] " : ""),
2873 			    (tmp & 0x0100 ? "[AudigyDrive Phones]" : " "));
2874 			device_printf(sc->dev, "Audigy Card Configuration (  & 0x00ff )");
2875 			printf(" : %s%s%s%s%s%s%s%s\n",
2876 			    (tmp & 0x0080 ? "[0x80] " : ""),
2877 			    (tmp & 0x0040 ? "[Mute AnalogOut] " : ""),
2878 			    (tmp & 0x0020 ? "[0x20] " : ""),
2879 			    (tmp & 0x0010 ? "[0x10] " : ""),
2880 			    (tmp & 0x0008 ? "[0x08] " : ""),
2881 			    (tmp & 0x0004 ? "[GPOUT0] " : ""),
2882 			    (tmp & 0x0002 ? "[GPOUT1] " : ""),
2883 			    (tmp & 0x0001 ? "[GPOUT2]" : " "));
2884 		}		/* is_emu10k2 or ca* */
2885 	}			/* bootverbose */
2886 	return (0);
2887 }
2888 
2889 static int
2890 emu_uninit(struct emu_sc_info *sc)
2891 {
2892 	uint32_t ch;
2893 	struct emu_memblk *blk;
2894 
2895 	emu_wr(sc, EMU_INTE, 0, 4);
2896 	for (ch = 0; ch < NUM_G; ch++)
2897 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2898 	for (ch = 0; ch < NUM_G; ch++) {
2899 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
2900 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0);
2901 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2902 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2903 	}
2904 
2905 	/* disable audio and lock cache */
2906 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2907 
2908 	emu_wrptr(sc, 0, EMU_PTB, 0);
2909 	/* reset recording buffers */
2910 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2911 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2912 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2913 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2914 	emu_wrptr(sc, 0, EMU_FXWC, 0);
2915 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2916 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2917 	emu_wrptr(sc, 0, EMU_TCB, 0);
2918 	emu_wrptr(sc, 0, EMU_TCBS, 0);
2919 
2920 	/* disable channel interrupt */
2921 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2922 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2923 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2924 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2925 
2926 	if (!SLIST_EMPTY(&sc->mem.blocks))
2927 		device_printf(sc->dev, "warning: memblock list not empty\n");
2928 
2929 	SLIST_FOREACH(blk, &sc->mem.blocks, link)
2930 		if (blk != NULL)
2931 		device_printf(sc->dev, "lost %d for %s\n", blk->pte_size, blk->owner);
2932 
2933 	emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2934 	emu_free(&sc->mem, sc->mem.silent_page, sc->mem.silent_map);
2935 
2936 	return (0);
2937 }
2938 
2939 static int
2940 emu_read_ivar(device_t bus, device_t dev, int ivar_index, uintptr_t * result)
2941 {
2942 	struct sndcard_func *func = device_get_ivars(dev);
2943 	struct emu_sc_info *sc = device_get_softc(bus);
2944 
2945 	if (func==NULL)
2946 		return (ENOMEM);
2947 	if (sc == NULL)
2948 		return (ENOMEM);
2949 
2950 	switch (ivar_index) {
2951 	case EMU_VAR_FUNC:
2952 		*result = func->func;
2953 		break;
2954 	case EMU_VAR_ROUTE:
2955 		if (func->varinfo == NULL)
2956 			return (ENOMEM);
2957 		*result = ((struct emu_pcminfo *)func->varinfo)->route;
2958 		break;
2959 	case EMU_VAR_ISEMU10K1:
2960 		*result = sc->is_emu10k1;
2961 		break;
2962 	case EMU_VAR_MCH_DISABLED:
2963 		*result = sc->mch_disabled;
2964 		break;
2965 	case EMU_VAR_MCH_REC:
2966 		*result = sc->mch_rec;
2967 		break;
2968 	default:
2969 		return (ENOENT);
2970 	}
2971 
2972 	return (0);
2973 }
2974 
2975 static int
2976 emu_write_ivar(device_t bus __unused, device_t dev __unused,
2977     int ivar_index, uintptr_t value __unused)
2978 {
2979 
2980 	switch (ivar_index) {
2981 		case 0:
2982 		return (EINVAL);
2983 
2984 	default:
2985 		return (ENOENT);
2986 	}
2987 }
2988 
2989 static int
2990 emu_pci_probe(device_t dev)
2991 {
2992 	struct sbuf *s;
2993 	unsigned int thiscard = 0;
2994 	uint16_t vendor;
2995 
2996 	vendor = pci_read_config(dev, PCIR_DEVVENDOR, /* bytes */ 2);
2997 	if (vendor != 0x1102)
2998 		return (ENXIO);	/* Not Creative */
2999 
3000 	thiscard = emu_getcard(dev);
3001 	if (thiscard == 0)
3002 		return (ENXIO);
3003 
3004 	s = sbuf_new(NULL, NULL, 4096, 0);
3005 	if (s == NULL)
3006 		return (ENOMEM);
3007 	sbuf_printf(s, "Creative %s [%s]", emu_cards[thiscard].desc, emu_cards[thiscard].SBcode);
3008 	sbuf_finish(s);
3009 
3010 	device_set_desc_copy(dev, sbuf_data(s));
3011 
3012 	sbuf_delete(s);
3013 
3014 	return (BUS_PROBE_DEFAULT);
3015 }
3016 
3017 static int
3018 emu_pci_attach(device_t dev)
3019 {
3020 	struct sndcard_func *func;
3021 	struct emu_sc_info *sc;
3022 	struct emu_pcminfo *pcminfo;
3023 #if 0
3024 	struct emu_midiinfo *midiinfo;
3025 #endif
3026 	int i;
3027 	int device_flags;
3028 	char status[255];
3029 	int error = ENXIO;
3030 	int unit;
3031 
3032 	sc = device_get_softc(dev);
3033 	unit = device_get_unit(dev);
3034 
3035 	/* Get configuration */
3036 
3037 	sc->ctx = device_get_sysctl_ctx(dev);
3038 	if (sc->ctx == NULL)
3039 		goto bad;
3040 	sc->root = device_get_sysctl_tree(dev);
3041 	if (sc->root == NULL)
3042 		goto bad;
3043 
3044 	if (resource_int_value("emu10kx", unit, "multichannel_disabled", &(sc->mch_disabled)))
3045 		RANGE(sc->mch_disabled, 0, 1);
3046 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3047 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3048             OID_AUTO, "multichannel_disabled", CTLFLAG_RD, &(sc->mch_disabled), 0, "Multichannel playback setting");
3049 
3050 	if (resource_int_value("emu10kx", unit, "multichannel_recording", &(sc->mch_rec)))
3051 		RANGE(sc->mch_rec, 0, 1);
3052 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3053 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3054             OID_AUTO, "multichannel_recording", CTLFLAG_RD,  &(sc->mch_rec), 0, "Multichannel recording setting");
3055 
3056 	if (resource_int_value("emu10kx", unit, "debug", &(sc->dbg_level)))
3057 		RANGE(sc->mch_rec, 0, 2);
3058 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3059 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3060             OID_AUTO, "debug", CTLFLAG_RW, &(sc->dbg_level), 0, "Debug level");
3061 
3062 	/* Fill in the softc. */
3063 	mtx_init(&sc->lock, device_get_nameunit(dev), "bridge conf", MTX_DEF);
3064 	mtx_init(&sc->rw, device_get_nameunit(dev), "exclusive io", MTX_DEF);
3065 	sc->dev = dev;
3066 	sc->type = pci_get_devid(dev);
3067 	sc->rev = pci_get_revid(dev);
3068 	sc->enable_ir = 0;
3069 	sc->has_ac97 = 0;
3070 	sc->has_51 = 0;
3071 	sc->has_71 = 0;
3072 	sc->broken_digital = 0;
3073 	sc->is_emu10k1 = 0;
3074 	sc->is_emu10k2 = 0;
3075 	sc->is_ca0102 = 0;
3076 	sc->is_ca0108 = 0;
3077 	sc->is_cardbus = 0;
3078 
3079 	device_flags = emu_cards[emu_getcard(dev)].flags;
3080 	if (device_flags & HAS_51)
3081 		sc->has_51 = 1;
3082 	if (device_flags & HAS_71) {
3083 		sc->has_51 = 1;
3084 		sc->has_71 = 1;
3085 	}
3086 	if (device_flags & IS_EMU10K1)
3087 		sc->is_emu10k1 = 1;
3088 	if (device_flags & IS_EMU10K2)
3089 		sc->is_emu10k2 = 1;
3090 	if (device_flags & IS_CA0102)
3091 		sc->is_ca0102 = 1;
3092 	if (device_flags & IS_CA0108)
3093 		sc->is_ca0108 = 1;
3094 	if ((sc->is_emu10k2) && (sc->rev == 4)) {
3095 		sc->is_emu10k2 = 0;
3096 		sc->is_ca0102 = 1;	/* for unknown Audigy 2 cards */
3097 	}
3098 	if ((sc->is_ca0102 == 1) || (sc->is_ca0108 == 1))
3099 		if (device_flags & IS_CARDBUS)
3100 			sc->is_cardbus = 1;
3101 
3102 	if ((sc->is_emu10k1 + sc->is_emu10k2 + sc->is_ca0102 + sc->is_ca0108) != 1) {
3103 		device_printf(sc->dev, "Unable to detect HW chipset\n");
3104 		goto bad;
3105 	}
3106 	if (device_flags & BROKEN_DIGITAL)
3107 		sc->broken_digital = 1;
3108 	if (device_flags & HAS_AC97)
3109 		sc->has_ac97 = 1;
3110 
3111 	sc->opcode_shift = 0;
3112 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
3113 		sc->opcode_shift = 24;
3114 		sc->high_operand_shift = 12;
3115 
3116 	/*	DSP map				*/
3117 	/*	sc->fx_base = 0x0		*/
3118 		sc->input_base = 0x40;
3119 	/*	sc->p16vinput_base = 0x50;	*/
3120 		sc->output_base = 0x60;
3121 		sc->efxc_base = 0x80;
3122 	/*	sc->output32h_base = 0xa0;	*/
3123 	/*	sc->output32l_base = 0xb0;	*/
3124 		sc->dsp_zero = 0xc0;
3125 	/*	0xe0...0x100 are unknown	*/
3126 	/*	sc->tram_base = 0x200		*/
3127 	/*	sc->tram_addr_base = 0x300	*/
3128 		sc->gpr_base = EMU_A_FXGPREGBASE;
3129 		sc->num_gprs = 0x200;
3130 		sc->code_base = EMU_A_MICROCODEBASE;
3131 		sc->code_size = 0x800 / 2;	/* 0x600-0xdff,  2048 words,
3132 						 * 1024 instructions */
3133 
3134 		sc->mchannel_fx = 8;
3135 		sc->num_fxbuses = 16;
3136 		sc->num_inputs = 8;
3137 		sc->num_outputs = 16;
3138 		sc->address_mask = EMU_A_PTR_ADDR_MASK;
3139 	}
3140 	if (sc->is_emu10k1) {
3141 		sc->has_51 = 0;	/* We don't support 5.1 sound on SB Live! 5.1 */
3142 		sc->opcode_shift = 20;
3143 		sc->high_operand_shift = 10;
3144 		sc->code_base = EMU_MICROCODEBASE;
3145 		sc->code_size = 0x400 / 2;	/* 0x400-0x7ff,  1024 words,
3146 						 * 512 instructions */
3147 		sc->gpr_base = EMU_FXGPREGBASE;
3148 		sc->num_gprs = 0x100;
3149 		sc->input_base = 0x10;
3150 		sc->output_base = 0x20;
3151 		/*
3152 		 * XXX 5.1 Analog outputs are inside efxc address space!
3153 		 * They use output+0x11/+0x12 (=efxc+1/+2).
3154 		 * Don't use this efx registers for recording on SB Live! 5.1!
3155 		 */
3156 		sc->efxc_base = 0x30;
3157 		sc->dsp_zero = 0x40;
3158 		sc->mchannel_fx = 0;
3159 		sc->num_fxbuses = 8;
3160 		sc->num_inputs = 8;
3161 		sc->num_outputs = 16;
3162 		sc->address_mask = EMU_PTR_ADDR_MASK;
3163 	}
3164 	if (sc->opcode_shift == 0)
3165 		goto bad;
3166 
3167 	pci_enable_busmaster(dev);
3168 
3169 	i = PCIR_BAR(0);
3170 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &i, RF_ACTIVE);
3171 	if (sc->reg == NULL) {
3172 		device_printf(dev, "unable to map register space\n");
3173 		goto bad;
3174 	}
3175 	sc->st = rman_get_bustag(sc->reg);
3176 	sc->sh = rman_get_bushandle(sc->reg);
3177 
3178 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
3179 		sc->timer[i] = 0;	/* disable it */
3180 
3181 	i = 0;
3182 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, RF_ACTIVE | RF_SHAREABLE);
3183 	if ((sc->irq == NULL) || bus_setup_intr(dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV,
3184 	    NULL,
3185 	    emu_intr, sc, &sc->ih)) {
3186 		device_printf(dev, "unable to map interrupt\n");
3187 		goto bad;
3188 	}
3189 	if (emu_rm_init(sc) != 0) {
3190 		device_printf(dev, "unable to create resource manager\n");
3191 		goto bad;
3192 	}
3193 	if (sc->is_cardbus)
3194 		if (emu_cardbus_init(sc) != 0) {
3195 			device_printf(dev, "unable to initialize CardBus interface\n");
3196 			goto bad;
3197 		}
3198 	if (emu_init(sc) != 0) {
3199 		device_printf(dev, "unable to initialize the card\n");
3200 		goto bad;
3201 	}
3202 	if (emu10kx_dev_init(sc) != 0) {
3203 		device_printf(dev, "unable to create control device\n");
3204 		goto bad;
3205 	}
3206 	snprintf(status, 255, "rev %d at io 0x%jx irq %jd", sc->rev, rman_get_start(sc->reg), rman_get_start(sc->irq));
3207 
3208 	/* Voices */
3209 	for (i = 0; i < NUM_G; i++) {
3210 		sc->voice[i].vnum = i;
3211 		sc->voice[i].slave = NULL;
3212 		sc->voice[i].busy = 0;
3213 		sc->voice[i].ismaster = 0;
3214 		sc->voice[i].running = 0;
3215 		sc->voice[i].b16 = 0;
3216 		sc->voice[i].stereo = 0;
3217 		sc->voice[i].speed = 0;
3218 		sc->voice[i].start = 0;
3219 		sc->voice[i].end = 0;
3220 	}
3221 
3222 	/* PCM Audio */
3223 	for (i = 0; i < RT_COUNT; i++)
3224 		sc->pcm[i] = NULL;
3225 
3226 	/* FRONT */
3227 	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3228 	if (func == NULL) {
3229 		error = ENOMEM;
3230 		goto bad;
3231 	}
3232 	pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3233 	if (pcminfo == NULL) {
3234 		error = ENOMEM;
3235 		goto bad;
3236 	}
3237 	pcminfo->card = sc;
3238 	pcminfo->route = RT_FRONT;
3239 
3240 	func->func = SCF_PCM;
3241 	func->varinfo = pcminfo;
3242 	sc->pcm[RT_FRONT] = device_add_child(dev, "pcm", -1);
3243 	device_set_ivars(sc->pcm[RT_FRONT], func);
3244 
3245 	if (!(sc->mch_disabled)) {
3246 		/* REAR */
3247 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3248 		if (func == NULL) {
3249 			error = ENOMEM;
3250 			goto bad;
3251 		}
3252 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3253 		if (pcminfo == NULL) {
3254 			error = ENOMEM;
3255 			goto bad;
3256 		}
3257 		pcminfo->card = sc;
3258 		pcminfo->route = RT_REAR;
3259 
3260 		func->func = SCF_PCM;
3261 		func->varinfo = pcminfo;
3262 		sc->pcm[RT_REAR] = device_add_child(dev, "pcm", -1);
3263 		device_set_ivars(sc->pcm[RT_REAR], func);
3264 		if (sc->has_51) {
3265 			/* CENTER */
3266 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3267 			if (func == NULL) {
3268 				error = ENOMEM;
3269 				goto bad;
3270 			}
3271 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3272 			if (pcminfo == NULL) {
3273 				error = ENOMEM;
3274 				goto bad;
3275 			}
3276 			pcminfo->card = sc;
3277 			pcminfo->route = RT_CENTER;
3278 
3279 			func->func = SCF_PCM;
3280 			func->varinfo = pcminfo;
3281 			sc->pcm[RT_CENTER] = device_add_child(dev, "pcm", -1);
3282 			device_set_ivars(sc->pcm[RT_CENTER], func);
3283 			/* SUB */
3284 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3285 			if (func == NULL) {
3286 				error = ENOMEM;
3287 				goto bad;
3288 			}
3289 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3290 			if (pcminfo == NULL) {
3291 				error = ENOMEM;
3292 				goto bad;
3293 			}
3294 			pcminfo->card = sc;
3295 			pcminfo->route = RT_SUB;
3296 
3297 			func->func = SCF_PCM;
3298 			func->varinfo = pcminfo;
3299 			sc->pcm[RT_SUB] = device_add_child(dev, "pcm", -1);
3300 			device_set_ivars(sc->pcm[RT_SUB], func);
3301 		}
3302 		if (sc->has_71) {
3303 			/* SIDE */
3304 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3305 			if (func == NULL) {
3306 				error = ENOMEM;
3307 				goto bad;
3308 			}
3309 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3310 			if (pcminfo == NULL) {
3311 				error = ENOMEM;
3312 				goto bad;
3313 			}
3314 			pcminfo->card = sc;
3315 			pcminfo->route = RT_SIDE;
3316 
3317 			func->func = SCF_PCM;
3318 			func->varinfo = pcminfo;
3319 			sc->pcm[RT_SIDE] = device_add_child(dev, "pcm", -1);
3320 			device_set_ivars(sc->pcm[RT_SIDE], func);
3321 		}
3322 	} /* mch_disabled */
3323 
3324 	if (sc->mch_rec) {
3325 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3326 		if (func == NULL) {
3327 			error = ENOMEM;
3328 			goto bad;
3329 		}
3330 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3331 		if (pcminfo == NULL) {
3332 			error = ENOMEM;
3333 			goto bad;
3334 		}
3335 		pcminfo->card = sc;
3336 		pcminfo->route = RT_MCHRECORD;
3337 
3338 		func->func = SCF_PCM;
3339 		func->varinfo = pcminfo;
3340 		sc->pcm[RT_MCHRECORD] = device_add_child(dev, "pcm", -1);
3341 		device_set_ivars(sc->pcm[RT_MCHRECORD], func);
3342 	} /*mch_rec */
3343 
3344 	for (i = 0; i < 2; i++)
3345 		sc->midi[i] = NULL;
3346 
3347 	/* MIDI has some memory mangament and (possible) locking problems */
3348 #if 0
3349 	/* Midi Interface 1: Live!, Audigy, Audigy 2 */
3350 	if ((sc->is_emu10k1) || (sc->is_emu10k2) || (sc->is_ca0102)) {
3351 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3352 		if (func == NULL) {
3353 			error = ENOMEM;
3354 			goto bad;
3355 		}
3356 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3357 		if (midiinfo == NULL) {
3358 			error = ENOMEM;
3359 			goto bad;
3360 		}
3361 		midiinfo->card = sc;
3362 		if (sc->is_emu10k2 || (sc->is_ca0102)) {
3363 			midiinfo->port = EMU_A_MUDATA1;
3364 			midiinfo->portnr = 1;
3365 		}
3366 		if (sc->is_emu10k1) {
3367 			midiinfo->port = MUDATA;
3368 			midiinfo->portnr = 1;
3369 		}
3370 		func->func = SCF_MIDI;
3371 		func->varinfo = midiinfo;
3372 		sc->midi[0] = device_add_child(dev, "midi", -1);
3373 		device_set_ivars(sc->midi[0], func);
3374 	}
3375 	/* Midi Interface 2: Audigy, Audigy 2 (on AudigyDrive) */
3376 	if (sc->is_emu10k2 || (sc->is_ca0102)) {
3377 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3378 		if (func == NULL) {
3379 			error = ENOMEM;
3380 			goto bad;
3381 		}
3382 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3383 		if (midiinfo == NULL) {
3384 			error = ENOMEM;
3385 			goto bad;
3386 		}
3387 		midiinfo->card = sc;
3388 
3389 		midiinfo->port = EMU_A_MUDATA2;
3390 		midiinfo->portnr = 2;
3391 
3392 		func->func = SCF_MIDI;
3393 		func->varinfo = midiinfo;
3394 		sc->midi[1] = device_add_child(dev, "midi", -1);
3395 		device_set_ivars(sc->midi[1], func);
3396 	}
3397 #endif
3398 	return (bus_generic_attach(dev));
3399 
3400 bad:
3401 	/* XXX can we just call emu_pci_detach here? */
3402 	if (sc->cdev)
3403 		emu10kx_dev_uninit(sc);
3404 	if (sc->rm != NULL)
3405 		emu_rm_uninit(sc);
3406 	if (sc->reg)
3407 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3408 	if (sc->ih)
3409 		bus_teardown_intr(dev, sc->irq, sc->ih);
3410 	if (sc->irq)
3411 		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3412 	mtx_destroy(&sc->rw);
3413 	mtx_destroy(&sc->lock);
3414 	return (error);
3415 }
3416 
3417 static int
3418 emu_pci_detach(device_t dev)
3419 {
3420 	struct emu_sc_info *sc;
3421 	struct sndcard_func *func;
3422 	int devcount, i;
3423 	device_t *childlist;
3424 	int r = 0;
3425 
3426 	sc = device_get_softc(dev);
3427 
3428 	for (i = 0; i < RT_COUNT; i++) {
3429 		if (sc->pcm[i] != NULL) {
3430 			func = device_get_ivars(sc->pcm[i]);
3431 			if (func != NULL && func->func == SCF_PCM) {
3432 				device_set_ivars(sc->pcm[i], NULL);
3433 				free(func->varinfo, M_DEVBUF);
3434 				free(func, M_DEVBUF);
3435 			}
3436 			r = device_delete_child(dev, sc->pcm[i]);
3437 			if (r)	return (r);
3438 		}
3439 	}
3440 
3441 	if (sc->midi[0] != NULL) {
3442 		func = device_get_ivars(sc->midi[0]);
3443 		if (func != NULL && func->func == SCF_MIDI) {
3444 			device_set_ivars(sc->midi[0], NULL);
3445 			free(func->varinfo, M_DEVBUF);
3446 			free(func, M_DEVBUF);
3447 		}
3448 		r = device_delete_child(dev, sc->midi[0]);
3449 		if (r)	return (r);
3450 	}
3451 
3452 	if (sc->midi[1] != NULL) {
3453 		func = device_get_ivars(sc->midi[1]);
3454 		if (func != NULL && func->func == SCF_MIDI) {
3455 			device_set_ivars(sc->midi[1], NULL);
3456 			free(func->varinfo, M_DEVBUF);
3457 			free(func, M_DEVBUF);
3458 		}
3459 		r = device_delete_child(dev, sc->midi[1]);
3460 		if (r)	return (r);
3461 	}
3462 
3463 	if (device_get_children(dev, &childlist, &devcount) == 0)
3464 		for (i = 0; i < devcount - 1; i++) {
3465 			device_printf(dev, "removing stale child %d (unit %d)\n", i, device_get_unit(childlist[i]));
3466 			func = device_get_ivars(childlist[i]);
3467 			if (func != NULL && (func->func == SCF_MIDI || func->func == SCF_PCM)) {
3468 				device_set_ivars(childlist[i], NULL);
3469 				free(func->varinfo, M_DEVBUF);
3470 				free(func, M_DEVBUF);
3471 			}
3472 			device_delete_child(dev, childlist[i]);
3473 		}
3474 	if (childlist != NULL)
3475 		free(childlist, M_TEMP);
3476 
3477 	r = emu10kx_dev_uninit(sc);
3478 	if (r)
3479 		return (r);
3480 
3481 	/* shutdown chip */
3482 	emu_uninit(sc);
3483 	emu_rm_uninit(sc);
3484 
3485 	if (sc->mem.dmat)
3486 		bus_dma_tag_destroy(sc->mem.dmat);
3487 
3488 	if (sc->reg)
3489 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3490 	bus_teardown_intr(dev, sc->irq, sc->ih);
3491 	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3492 	mtx_destroy(&sc->rw);
3493 	mtx_destroy(&sc->lock);
3494 
3495 	return (bus_generic_detach(dev));
3496 }
3497 /* add suspend, resume */
3498 static device_method_t emu_methods[] = {
3499 	/* Device interface */
3500 	DEVMETHOD(device_probe, emu_pci_probe),
3501 	DEVMETHOD(device_attach, emu_pci_attach),
3502 	DEVMETHOD(device_detach, emu_pci_detach),
3503 	/* Bus methods */
3504 	DEVMETHOD(bus_read_ivar, emu_read_ivar),
3505 	DEVMETHOD(bus_write_ivar, emu_write_ivar),
3506 
3507 	DEVMETHOD_END
3508 };
3509 
3510 static driver_t emu_driver = {
3511 	"emu10kx",
3512 	emu_methods,
3513 	sizeof(struct emu_sc_info),
3514 	NULL,
3515 	0,
3516 	NULL
3517 };
3518 
3519 static int
3520 emu_modevent(module_t mod __unused, int cmd, void *data __unused)
3521 {
3522 	int err = 0;
3523 
3524 	switch (cmd) {
3525 	case MOD_LOAD:
3526 		break;		/* Success */
3527 
3528 	case MOD_UNLOAD:
3529 	case MOD_SHUTDOWN:
3530 
3531 		/* XXX  Should we check state of pcm & midi subdevices here? */
3532 
3533 		break;		/* Success */
3534 
3535 	default:
3536 		err = EINVAL;
3537 		break;
3538 	}
3539 
3540 	return (err);
3541 
3542 }
3543 
3544 static devclass_t emu_devclass;
3545 
3546 DRIVER_MODULE(snd_emu10kx, pci, emu_driver, emu_devclass, emu_modevent, NULL);
3547 MODULE_VERSION(snd_emu10kx, SND_EMU10KX_PREFVER);
3548