xref: /freebsd/sys/dev/sound/pci/emu10kx.c (revision 3416500aef140042c64bc149cb1ec6620483bc44)
1 /*-
2  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
3  * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #include <sys/param.h>
31 #include <sys/types.h>
32 #include <sys/bus.h>
33 #include <machine/bus.h>
34 #include <sys/rman.h>
35 #include <sys/systm.h>
36 #include <sys/sbuf.h>
37 #include <sys/queue.h>
38 #include <sys/lock.h>
39 #include <sys/mutex.h>
40 #include <sys/sysctl.h>
41 #include <sys/kdb.h>
42 
43 #include <dev/pci/pcireg.h>
44 #include <dev/pci/pcivar.h>
45 
46 #include <machine/clock.h>	/* for DELAY */
47 
48 #ifdef HAVE_KERNEL_OPTION_HEADERS
49 #include "opt_snd.h"
50 #endif
51 
52 #include <dev/sound/chip.h>
53 #include <dev/sound/pcm/sound.h>
54 #include <dev/sound/pcm/ac97.h>
55 
56 #include <dev/sound/pci/emuxkireg.h>
57 #include <dev/sound/pci/emu10kx.h>
58 
59 /* hw flags */
60 #define	HAS_51		0x0001
61 #define	HAS_71		0x0002
62 #define	HAS_AC97	0x0004
63 
64 #define	IS_EMU10K1	0x0008
65 #define	IS_EMU10K2	0x0010
66 #define	IS_CA0102	0x0020
67 #define	IS_CA0108	0x0040
68 #define	IS_UNKNOWN	0x0080
69 
70 #define	BROKEN_DIGITAL	0x0100
71 #define	DIGITAL_ONLY	0x0200
72 
73 #define	IS_CARDBUS	0x0400
74 
75 #define	MODE_ANALOG	1
76 #define	MODE_DIGITAL	2
77 #define	SPDIF_MODE_PCM	1
78 #define	SPDIF_MODE_AC3	2
79 
80 #define	MACS	0x0
81 #define	MACS1	0x1
82 #define	MACW	0x2
83 #define	MACW1	0x3
84 #define	MACINTS	0x4
85 #define	MACINTW	0x5
86 #define	ACC3	0x6
87 #define	MACMV	0x7
88 #define	ANDXOR	0x8
89 #define	TSTNEG	0x9
90 #define	LIMIT	0xA
91 #define	LIMIT1	0xB
92 #define	LOG	0xC
93 #define	EXP	0xD
94 #define	INTERP	0xE
95 #define	SKIP	0xF
96 
97 #define	GPR(i)	(sc->gpr_base+(i))
98 #define	INP(i)	(sc->input_base+(i))
99 #define	OUTP(i)	(sc->output_base+(i))
100 #define	FX(i)	(i)
101 #define	FX2(i)	(sc->efxc_base+(i))
102 #define	DSP_CONST(i) (sc->dsp_zero+(i))
103 
104 #define	COND_NORMALIZED	DSP_CONST(0x1)
105 #define	COND_BORROW	DSP_CONST(0x2)
106 #define	COND_MINUS	DSP_CONST(0x3)
107 #define	COND_LESS_ZERO	DSP_CONST(0x4)
108 #define	COND_EQ_ZERO	DSP_CONST(0x5)
109 #define	COND_SATURATION	DSP_CONST(0x6)
110 #define	COND_NEQ_ZERO	DSP_CONST(0x8)
111 
112 #define	DSP_ACCUM	DSP_CONST(0x16)
113 #define	DSP_CCR		DSP_CONST(0x17)
114 
115 /* Live! Inputs */
116 #define	IN_AC97_L 	0x00
117 #define	IN_AC97_R 	0x01
118 #define	IN_AC97		IN_AC97_L
119 #define	IN_SPDIF_CD_L	0x02
120 #define	IN_SPDIF_CD_R	0x03
121 #define	IN_SPDIF_CD	IN_SPDIF_CD_L
122 #define	IN_ZOOM_L 	0x04
123 #define	IN_ZOOM_R 	0x05
124 #define	IN_ZOOM		IN_ZOOM_L
125 #define	IN_TOSLINK_L	0x06
126 #define	IN_TOSLINK_R	0x07
127 #define	IN_TOSLINK	IN_TOSLINK_L
128 #define	IN_LINE1_L	0x08
129 #define	IN_LINE1_R	0x09
130 #define	IN_LINE1	IN_LINE1_L
131 #define	IN_COAX_SPDIF_L	0x0a
132 #define	IN_COAX_SPDIF_R	0x0b
133 #define	IN_COAX_SPDIF	IN_COAX_SPDIF_L
134 #define	IN_LINE2_L	0x0c
135 #define	IN_LINE2_R	0x0d
136 #define	IN_LINE2	IN_LINE2_L
137 #define	IN_0E		0x0e
138 #define	IN_0F		0x0f
139 
140 /* Outputs */
141 #define	OUT_AC97_L	0x00
142 #define	OUT_AC97_R	0x01
143 #define	OUT_AC97	OUT_AC97_L
144 #define	OUT_A_FRONT	OUT_AC97
145 #define	OUT_TOSLINK_L 	0x02
146 #define	OUT_TOSLINK_R 	0x03
147 #define	OUT_TOSLINK	OUT_TOSLINK_L
148 #define	OUT_D_CENTER	0x04
149 #define	OUT_D_SUB	0x05
150 #define	OUT_HEADPHONE_L	0x06
151 #define	OUT_HEADPHONE_R	0x07
152 #define	OUT_HEADPHONE	OUT_HEADPHONE_L
153 #define	OUT_REAR_L	0x08
154 #define	OUT_REAR_R	0x09
155 #define	OUT_REAR	OUT_REAR_L
156 #define	OUT_ADC_REC_L 	0x0a
157 #define	OUT_ADC_REC_R	0x0b
158 #define	OUT_ADC_REC	OUT_ADC_REC_L
159 #define	OUT_MIC_CAP	0x0c
160 
161 /* Live! 5.1 Digital, non-standard 5.1 (center & sub) outputs */
162 #define	OUT_A_CENTER	0x11
163 #define	OUT_A_SUB	0x12
164 
165 /* Audigy Inputs */
166 #define	A_IN_AC97_L	0x00
167 #define	A_IN_AC97_R	0x01
168 #define	A_IN_AC97	A_IN_AC97_L
169 #define	A_IN_SPDIF_CD_L	0x02
170 #define	A_IN_SPDIF_CD_R	0x03
171 #define	A_IN_SPDIF_CD	A_IN_SPDIF_CD_L
172 #define	A_IN_O_SPDIF_L	0x04
173 #define	A_IN_O_SPDIF_R	0x05
174 #define	A_IN_O_SPDIF	A_IN_O_SPDIF_L
175 #define	A_IN_LINE2_L	0x08
176 #define	A_IN_LINE2_R	0x09
177 #define	A_IN_LINE2	A_IN_LINE2_L
178 #define	A_IN_R_SPDIF_L	0x0a
179 #define	A_IN_R_SPDIF_R	0x0b
180 #define	A_IN_R_SPDIF	A_IN_R_SPDIF_L
181 #define	A_IN_AUX2_L	0x0c
182 #define	A_IN_AUX2_R	0x0d
183 #define	A_IN_AUX2	A_IN_AUX2_L
184 
185 /* Audigy Outputs */
186 #define	A_OUT_D_FRONT_L	0x00
187 #define	A_OUT_D_FRONT_R	0x01
188 #define	A_OUT_D_FRONT	A_OUT_D_FRONT_L
189 #define	A_OUT_D_CENTER	0x02
190 #define	A_OUT_D_SUB	0x03
191 #define	A_OUT_D_SIDE_L	0x04
192 #define	A_OUT_D_SIDE_R	0x05
193 #define	A_OUT_D_SIDE	A_OUT_D_SIDE_L
194 #define	A_OUT_D_REAR_L	0x06
195 #define	A_OUT_D_REAR_R	0x07
196 #define	A_OUT_D_REAR	A_OUT_D_REAR_L
197 
198 /* on Audigy Platinum only */
199 #define	A_OUT_HPHONE_L	0x04
200 #define	A_OUT_HPHONE_R	0x05
201 #define	A_OUT_HPHONE	A_OUT_HPHONE_L
202 
203 #define	A_OUT_A_FRONT_L	0x08
204 #define	A_OUT_A_FRONT_R	0x09
205 #define	A_OUT_A_FRONT	A_OUT_A_FRONT_L
206 #define	A_OUT_A_CENTER	0x0a
207 #define	A_OUT_A_SUB	0x0b
208 #define	A_OUT_A_SIDE_L	0x0c
209 #define	A_OUT_A_SIDE_R	0x0d
210 #define	A_OUT_A_SIDE	A_OUT_A_SIDE_L
211 #define	A_OUT_A_REAR_L	0x0e
212 #define	A_OUT_A_REAR_R	0x0f
213 #define	A_OUT_A_REAR	A_OUT_A_REAR_L
214 #define	A_OUT_AC97_L	0x10
215 #define	A_OUT_AC97_R	0x11
216 #define	A_OUT_AC97	A_OUT_AC97_L
217 #define	A_OUT_ADC_REC_L	0x16
218 #define	A_OUT_ADC_REC_R	0x17
219 #define	A_OUT_ADC_REC	A_OUT_ADC_REC_L
220 
221 #define EMU_DATA2	0x24
222 #define EMU_IPR2	0x28
223 #define EMU_INTE2	0x2c
224 #define EMU_IPR3	0x38
225 #define EMU_INTE3	0x3c
226 
227 #define EMU_A2_SRCSel		0x60
228 #define EMU_A2_SRCMULTI_ENABLE	0x6e
229 
230 #define EMU_A_I2S_CAPTURE_96000	0x00000400
231 
232 #define EMU_A2_MIXER_I2S_ENABLE           0x7B
233 #define EMU_A2_MIXER_SPDIF_ENABLE         0x7A
234 
235 #define	C_FRONT_L	0
236 #define	C_FRONT_R	1
237 #define	C_REC_L		2
238 #define	C_REC_R		3
239 #define	C_REAR_L	4
240 #define	C_REAR_R	5
241 #define	C_CENTER	6
242 #define	C_SUB		7
243 #define	C_SIDE_L	8
244 #define	C_SIDE_R	9
245 #define	NUM_CACHES	10
246 
247 #define	CDSPDIFMUTE	0
248 #define	ANALOGMUTE	1
249 #define	NUM_MUTE	2
250 
251 #define	EMU_MAX_GPR	512
252 #define	EMU_MAX_IRQ_CONSUMERS 32
253 
254 struct emu_voice {
255 	int	vnum;
256 	unsigned int	b16:1, stereo:1, busy:1, running:1, ismaster:1;
257 	int	speed;
258 	int	start;
259 	int	end;
260 	int	vol;
261 	uint32_t buf;
262 	void	*vbuf;
263 	struct emu_voice *slave;
264 	uint32_t sa;
265 	uint32_t ea;
266 	uint32_t routing[8];
267 	uint32_t amounts[8];
268 };
269 
270 struct emu_memblk {
271 	SLIST_ENTRY(emu_memblk)	link;
272 	void		*buf;
273 	char		owner[16];
274 	bus_addr_t	buf_addr;
275 	uint32_t	pte_start, pte_size;
276 	bus_dmamap_t	buf_map;
277 };
278 
279 struct emu_mem {
280 	uint8_t		bmap[EMU_MAXPAGES / 8];
281 	uint32_t	*ptb_pages;
282 	void		*silent_page;
283 	bus_addr_t	ptb_pages_addr;
284 	bus_addr_t	silent_page_addr;
285 	bus_dmamap_t	ptb_map;
286 	bus_dmamap_t	silent_map;
287 	bus_dma_tag_t	dmat;
288 	struct emu_sc_info *card;
289 	SLIST_HEAD(, emu_memblk) blocks;
290 };
291 
292 /* rm */
293 struct emu_rm {
294 	struct emu_sc_info *card;
295 	struct mtx	gpr_lock;
296 	signed int	allocmap[EMU_MAX_GPR];
297 	int		num_gprs;
298 	int		last_free_gpr;
299 	int 		num_used;
300 };
301 
302 struct emu_intr_handler {
303 	void*		softc;
304 	uint32_t	intr_mask;
305 	uint32_t	inte_mask;
306 	uint32_t(*irq_func) (void *softc, uint32_t irq);
307 };
308 
309 struct emu_sc_info {
310 	struct mtx	lock;
311 	struct mtx	rw;		/* Hardware exclusive access lock */
312 
313 	/* Hardware and subdevices */
314 	device_t	dev;
315 	device_t	pcm[RT_COUNT];
316 	device_t	midi[2];
317 	uint32_t	type;
318 	uint32_t	rev;
319 
320 	bus_space_tag_t	st;
321 	bus_space_handle_t sh;
322 
323 	struct cdev	*cdev;		/* /dev/emu10k character device */
324 	struct mtx	emu10kx_lock;
325 	int		emu10kx_isopen;
326 	struct sbuf	emu10kx_sbuf;
327 	int		emu10kx_bufptr;
328 
329 
330 	/* Resources */
331 	struct resource	*reg;
332 	struct resource	*irq;
333 	void 		*ih;
334 
335 	/* IRQ handlers */
336 	struct emu_intr_handler ihandler[EMU_MAX_IRQ_CONSUMERS];
337 
338 	/* Card HW configuration */
339 	unsigned int	mode;	/* analog / digital */
340 	unsigned int	mchannel_fx;
341 	unsigned int	dsp_zero;
342 	unsigned int	code_base;
343 	unsigned int	code_size;
344 	unsigned int	gpr_base;
345 	unsigned int	num_gprs;
346 	unsigned int	input_base;
347 	unsigned int	output_base;
348 	unsigned int	efxc_base;
349 	unsigned int	opcode_shift;
350 	unsigned int	high_operand_shift;
351 	unsigned int	address_mask;
352 	uint32_t 	is_emu10k1:1, is_emu10k2, is_ca0102, is_ca0108:1,
353 			has_ac97:1, has_51:1, has_71:1,
354 			enable_ir:1,
355 			broken_digital:1, is_cardbus:1;
356 
357 	signed int	mch_disabled, mch_rec, dbg_level;
358 	signed int 	num_inputs;
359 	unsigned int 	num_outputs;
360 	unsigned int 	num_fxbuses;
361 	unsigned int 	routing_code_start;
362 	unsigned int	routing_code_end;
363 
364 	/* HW resources */
365 	struct emu_voice voice[NUM_G];			/* Hardware voices */
366 	uint32_t	irq_mask[EMU_MAX_IRQ_CONSUMERS]; /* IRQ manager data */
367 	int 		timer[EMU_MAX_IRQ_CONSUMERS];	/* timer */
368 	int		timerinterval;
369 	struct		emu_rm *rm;
370 	struct		emu_mem mem;			/* memory */
371 
372 	/* Mixer */
373 	int		mixer_gpr[NUM_MIXERS];
374 	int		mixer_volcache[NUM_MIXERS];
375 	int		cache_gpr[NUM_CACHES];
376 	int		dummy_gpr;
377 	int		mute_gpr[NUM_MUTE];
378 	struct sysctl_ctx_list	*ctx;
379 	struct sysctl_oid	*root;
380 };
381 
382 static void	emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error);
383 static void*	emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, bus_dmamap_t *map);
384 static void	emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map);
385 static void*	emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char * owner);
386 static int	emu_memfree(struct emu_mem *mem, void *membuf);
387 static int	emu_memstart(struct emu_mem *mem, void *membuf);
388 
389 /* /dev */
390 static int	emu10kx_dev_init(struct emu_sc_info *sc);
391 static int	emu10kx_dev_uninit(struct emu_sc_info *sc);
392 static int	emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s);
393 
394 static void	emumix_set_mode(struct emu_sc_info *sc, int mode);
395 static void	emumix_set_spdif_mode(struct emu_sc_info *sc, int mode);
396 static void	emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol);
397 static void	emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val);
398 static int	sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS);
399 
400 static int	emu_rm_init(struct emu_sc_info *sc);
401 static int	emu_rm_uninit(struct emu_sc_info *sc);
402 static int	emu_rm_gpr_alloc(struct emu_rm *rm, int count);
403 
404 static unsigned int emu_getcard(device_t dev);
405 static uint32_t	emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size);
406 static void	emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size);
407 static void	emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data);
408 
409 static void	emu_vstop(struct emu_sc_info *sc, char channel, int enable);
410 
411 static void	emu_intr(void *p);
412 static void	emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data);
413 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);
414 static void	emu_initefx(struct emu_sc_info *sc);
415 
416 static int	emu_cardbus_init(struct emu_sc_info *sc);
417 static int	emu_init(struct emu_sc_info *sc);
418 static int	emu_uninit(struct emu_sc_info *sc);
419 
420 static int	emu_read_ivar(device_t bus __unused, device_t dev, int ivar_index, uintptr_t * result);
421 static int	emu_write_ivar(device_t bus __unused, device_t dev __unused,
422     int ivar_index, uintptr_t value __unused);
423 
424 static int	emu_pci_probe(device_t dev);
425 static int	emu_pci_attach(device_t dev);
426 static int	emu_pci_detach(device_t dev);
427 static int	emu_modevent(module_t mod __unused, int cmd, void *data __unused);
428 
429 #ifdef	SND_EMU10KX_DEBUG
430 
431 #define EMU_MTX_DEBUG() do { 						\
432 		if (mtx_owned(&sc->rw)) {				\
433 		printf("RW owned in %s line %d for %s\n", __func__,	\
434 			__LINE__ , device_get_nameunit(sc->dev));	\
435 		printf("rw lock owned: %d\n", mtx_owned(&sc->rw));	\
436 		printf("rw lock: value %x thread %x\n",			\
437 			((&sc->rw)->mtx_lock & ~MTX_FLAGMASK), 		\
438 			(uintptr_t)curthread);				\
439 		printf("rw lock: recursed %d\n", mtx_recursed(&sc->rw));\
440 		db_show_mtx(&sc->rw);					\
441 		}							\
442 	} while (0)
443 #else
444 #define EMU_MTX_DEBUG() do { 						\
445 	} while (0)
446 #endif
447 
448 #define EMU_RWLOCK() do {		\
449 	EMU_MTX_DEBUG();		\
450 	mtx_lock(&(sc->rw));		\
451 	} while (0)
452 
453 #define EMU_RWUNLOCK() do {		\
454 	mtx_unlock(&(sc->rw));		\
455 	EMU_MTX_DEBUG();		\
456 	} while (0)
457 
458 /* Supported cards */
459 struct emu_hwinfo {
460 	uint16_t	vendor;
461 	uint16_t	device;
462 	uint16_t	subvendor;
463 	uint16_t	subdevice;
464 	char		SBcode[8];
465 	char		desc[32];
466 	int		flags;
467 };
468 
469 static struct emu_hwinfo emu_cards[] = {
470 	{0xffff, 0xffff, 0xffff, 0xffff, "BADCRD", "Not a compatible card", 0},
471 	/* 0x0020..0x002f 4.0 EMU10K1 cards */
472 	{0x1102, 0x0002, 0x1102, 0x0020, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
473 	{0x1102, 0x0002, 0x1102, 0x0021, "CT4620", "SBLive!", HAS_AC97 | IS_EMU10K1},
474 	{0x1102, 0x0002, 0x1102, 0x002f, "CT????", "SBLive! mainboard implementation", HAS_AC97 | IS_EMU10K1},
475 
476 	/* (range unknown) 5.1 EMU10K1 cards */
477 	{0x1102, 0x0002, 0x1102, 0x100a, "CT????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
478 
479 	/* 0x80??..0x805? 4.0 EMU10K1 cards */
480 	{0x1102, 0x0002, 0x1102, 0x8022, "CT4780", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
481 	{0x1102, 0x0002, 0x1102, 0x8023, "CT4790", "SB PCI512", HAS_AC97 | IS_EMU10K1},
482 	{0x1102, 0x0002, 0x1102, 0x8024, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
483 	{0x1102, 0x0002, 0x1102, 0x8025, "CT????", "SBLive! Mainboard Implementation", HAS_AC97 | IS_EMU10K1},
484 	{0x1102, 0x0002, 0x1102, 0x8026, "CT4830", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
485 	{0x1102, 0x0002, 0x1102, 0x8027, "CT4832", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
486 	{0x1102, 0x0002, 0x1102, 0x8028, "CT4760", "SBLive! OEM version", HAS_AC97 | IS_EMU10K1},
487 	{0x1102, 0x0002, 0x1102, 0x8031, "CT4831", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
488 	{0x1102, 0x0002, 0x1102, 0x8040, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
489 	{0x1102, 0x0002, 0x1102, 0x8051, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
490 
491 	/* 0x8061..0x???? 5.1 EMU10K1  cards */
492 	{0x1102, 0x0002, 0x1102, 0x8061, "SB????", "SBLive! Player 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
493 	{0x1102, 0x0002, 0x1102, 0x8062, "CT4830", "SBLive! 1024", HAS_AC97 | HAS_51 | IS_EMU10K1},
494 	{0x1102, 0x0002, 0x1102, 0x8064, "SB????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
495 	{0x1102, 0x0002, 0x1102, 0x8065, "SB0220", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
496 	{0x1102, 0x0002, 0x1102, 0x8066, "CT4780", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
497 	{0x1102, 0x0002, 0x1102, 0x8067, "SB????", "SBLive!", HAS_AC97 | HAS_51 | IS_EMU10K1},
498 
499 	/* Generic SB Live! */
500 	{0x1102, 0x0002, 0x1102, 0x0000, "SB????", "SBLive! (Unknown model)", HAS_AC97 | IS_EMU10K1},
501 
502 	/* 0x0041..0x0043 EMU10K2 (some kind of Audigy) cards */
503 
504 	/* 0x0051..0x0051 5.1 CA0100-IAF cards */
505 	{0x1102, 0x0004, 0x1102, 0x0051, "SB0090", "Audigy", HAS_AC97 | HAS_51 | IS_EMU10K2},
506 	/* ES is CA0100-IDF chip that don't work in digital mode */
507 	{0x1102, 0x0004, 0x1102, 0x0052, "SB0160", "Audigy ES", HAS_AC97 | HAS_71 | IS_EMU10K2 | BROKEN_DIGITAL},
508 	/* 0x0053..0x005C 5.1 CA0101-NAF cards */
509 	{0x1102, 0x0004, 0x1102, 0x0053, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
510 	{0x1102, 0x0004, 0x1102, 0x0058, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
511 
512 	/* 0x1002..0x1009 5.1 CA0102-IAT cards */
513 	{0x1102, 0x0004, 0x1102, 0x1002, "SB????", "Audigy 2 Platinum", HAS_51 | IS_CA0102},
514 	{0x1102, 0x0004, 0x1102, 0x1005, "SB????", "Audigy 2 Platinum EX", HAS_51 | IS_CA0102},
515 	{0x1102, 0x0004, 0x1102, 0x1007, "SB0240", "Audigy 2", HAS_AC97 | HAS_51 | IS_CA0102},
516 
517 	/* 0x2001..0x2003 7.1 CA0102-ICT cards */
518 	{0x1102, 0x0004, 0x1102, 0x2001, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
519 	{0x1102, 0x0004, 0x1102, 0x2002, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
520 	/* XXX No reports about 0x2003 & 0x2004 cards */
521 	{0x1102, 0x0004, 0x1102, 0x2003, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
522 	{0x1102, 0x0004, 0x1102, 0x2004, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
523 	{0x1102, 0x0004, 0x1102, 0x2005, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
524 
525 	/* (range unknown) 7.1 CA0102-xxx Audigy 4 cards */
526 	{0x1102, 0x0004, 0x1102, 0x2007, "SB0380", "Audigy 4 Pro", HAS_AC97 | HAS_71 | IS_CA0102},
527 
528 	/* Generic Audigy or Audigy 2 */
529 	{0x1102, 0x0004, 0x1102, 0x0000, "SB????", "Audigy (Unknown model)", HAS_AC97 | HAS_51 | IS_EMU10K2},
530 
531 	/* We don't support CA0103-DAT (Audigy LS) cards */
532 	/* There is NO CA0104-xxx cards */
533 	/* There is NO CA0105-xxx cards */
534 	/* We don't support CA0106-DAT (SB Live! 24 bit) cards */
535 	/* There is NO CA0107-xxx cards */
536 
537 	/* 0x1000..0x1001 7.1 CA0108-IAT cards */
538 	{0x1102, 0x0008, 0x1102, 0x1000, "SB????", "Audigy 2 LS", HAS_AC97 | HAS_51 | IS_CA0108 | DIGITAL_ONLY},
539 	{0x1102, 0x0008, 0x1102, 0x1001, "SB0400", "Audigy 2 Value", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
540 	{0x1102, 0x0008, 0x1102, 0x1021, "SB0610", "Audigy 4", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
541 
542 	{0x1102, 0x0008, 0x1102, 0x2001, "SB0530", "Audigy 2 ZS CardBus", HAS_AC97 | HAS_71 | IS_CA0108 | IS_CARDBUS},
543 
544 	{0x1102, 0x0008, 0x0000, 0x0000, "SB????", "Audigy 2 Value (Unknown model)", HAS_AC97 | HAS_51 | IS_CA0108},
545 };
546 /* Unsupported cards */
547 
548 static struct emu_hwinfo emu_bad_cards[] = {
549 	/* APS cards should be possible to support */
550 	{0x1102, 0x0002, 0x1102, 0x4001, "EMUAPS", "E-mu APS", 0},
551 	{0x1102, 0x0002, 0x1102, 0x4002, "EMUAPS", "E-mu APS", 0},
552 	{0x1102, 0x0004, 0x1102, 0x4001, "EMU???", "E-mu 1212m [4001]", 0},
553 	/* Similar-named ("Live!" or "Audigy") cards on different chipsets */
554 	{0x1102, 0x8064, 0x0000, 0x0000, "SB0100", "SBLive! 5.1 OEM", 0},
555 	{0x1102, 0x0006, 0x0000, 0x0000, "SB0200", "DELL OEM SBLive! Value", 0},
556 	{0x1102, 0x0007, 0x0000, 0x0000, "SB0310", "Audigy LS", 0},
557 };
558 
559 /*
560  * Get best known information about device.
561  */
562 static unsigned int
563 emu_getcard(device_t dev)
564 {
565 	uint16_t device;
566 	uint16_t subdevice;
567 	unsigned int thiscard;
568 	int i;
569 
570 	device = pci_read_config(dev, PCIR_DEVICE, /* bytes */ 2);
571 	subdevice = pci_read_config(dev, PCIR_SUBDEV_0, /* bytes */ 2);
572 
573 	thiscard = 0;
574 	for (i = 1; i < nitems(emu_cards); i++) {
575 		if (device == emu_cards[i].device) {
576 			if (subdevice == emu_cards[i].subdevice) {
577 				thiscard = i;
578 				break;
579 			}
580 			if (0x0000 == emu_cards[i].subdevice) {
581 				thiscard = i;
582 				/*
583 				 * don't break, we can get more specific card
584 				 * later in the list.
585 				 */
586 			}
587 		}
588 	}
589 
590 	for (i = 0; i < nitems(emu_bad_cards); i++) {
591 		if (device == emu_bad_cards[i].device) {
592 			if (subdevice == emu_bad_cards[i].subdevice) {
593 				thiscard = 0;
594 				break;
595 			}
596 			if (0x0000 == emu_bad_cards[i].subdevice) {
597 				thiscard = 0;
598 				break;	/* we avoid all this cards */
599 			}
600 		}
601 	}
602 	return (thiscard);
603 }
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 /*
809  * emu_timer_ - HW timer management
810  */
811 int
812 emu_timer_create(struct emu_sc_info *sc)
813 {
814 	int i, timer;
815 
816 	timer = -1;
817 
818 	mtx_lock(&sc->lock);
819 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
820 		if (sc->timer[i] == 0) {
821 			sc->timer[i] = -1;	/* disable it */
822 			timer = i;
823 			mtx_unlock(&sc->lock);
824 			return (timer);
825 		}
826 	mtx_unlock(&sc->lock);
827 
828 	return (-1);
829 }
830 
831 int
832 emu_timer_set(struct emu_sc_info *sc, int timer, int delay)
833 {
834 	int i;
835 
836 	if (timer < 0)
837 		return (-1);
838 
839 	RANGE(delay, 16, 1024);
840 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
841 
842 	mtx_lock(&sc->lock);
843 	sc->timer[timer] = delay;
844 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
845 		if (sc->timerinterval > sc->timer[i])
846 			sc->timerinterval = sc->timer[i];
847 
848 	/* XXX */
849 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
850 	mtx_unlock(&sc->lock);
851 
852 	return (timer);
853 }
854 
855 int
856 emu_timer_enable(struct emu_sc_info *sc, int timer, int go)
857 {
858 	uint32_t x;
859 	int ena_int;
860 	int i;
861 
862 	if (timer < 0)
863 		return (-1);
864 
865 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
866 
867 	mtx_lock(&sc->lock);
868 
869 	if ((go == 1) && (sc->timer[timer] < 0))
870 		sc->timer[timer] = -sc->timer[timer];
871 	if ((go == 0) && (sc->timer[timer] > 0))
872 		sc->timer[timer] = -sc->timer[timer];
873 
874 	ena_int = 0;
875 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
876 		if (sc->timerinterval > sc->timer[i])
877 			sc->timerinterval = sc->timer[i];
878 		if (sc->timer[i] > 0)
879 			ena_int = 1;
880 	}
881 
882 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
883 
884 	if (ena_int == 1) {
885 		x = emu_rd(sc, EMU_INTE, 4);
886 		x |= EMU_INTE_INTERTIMERENB;
887 		emu_wr(sc, EMU_INTE, x, 4);
888 	} else {
889 		x = emu_rd(sc, EMU_INTE, 4);
890 		x &= ~EMU_INTE_INTERTIMERENB;
891 		emu_wr(sc, EMU_INTE, x, 4);
892 	}
893 	mtx_unlock(&sc->lock);
894 	return (0);
895 }
896 
897 int
898 emu_timer_clear(struct emu_sc_info *sc, int timer)
899 {
900 	if (timer < 0)
901 		return (-1);
902 
903 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
904 
905 	emu_timer_enable(sc, timer, 0);
906 
907 	mtx_lock(&sc->lock);
908 	if (sc->timer[timer] != 0)
909 		sc->timer[timer] = 0;
910 	mtx_unlock(&sc->lock);
911 
912 	return (timer);
913 }
914 
915 /*
916  * emu_intr_ - HW interrupt handler management
917  */
918 int
919 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)
920 {
921 	int i;
922 	uint32_t x;
923 
924 	mtx_lock(&sc->lock);
925 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
926 		if (sc->ihandler[i].inte_mask == 0) {
927 			sc->ihandler[i].inte_mask = inte_mask;
928 			sc->ihandler[i].intr_mask = intr_mask;
929 			sc->ihandler[i].softc = isc;
930 			sc->ihandler[i].irq_func = func;
931 			x = emu_rd(sc, EMU_INTE, 4);
932 			x |= inte_mask;
933 			emu_wr(sc, EMU_INTE, x, 4);
934 			mtx_unlock(&sc->lock);
935 			if (sc->dbg_level > 1)
936 				device_printf(sc->dev, "ihandle %d registered\n", i);
937 
938 			return (i);
939 		}
940 	mtx_unlock(&sc->lock);
941 	if (sc->dbg_level > 1)
942 		device_printf(sc->dev, "ihandle not registered\n");
943 
944 	return (-1);
945 }
946 
947 int
948 emu_intr_unregister(struct emu_sc_info *sc, int hnumber)
949 {
950 	uint32_t x;
951 	int i;
952 
953 	mtx_lock(&sc->lock);
954 
955 	if (sc->ihandler[hnumber].inte_mask == 0) {
956 		mtx_unlock(&sc->lock);
957 		return (-1);
958 	}
959 
960 	x = emu_rd(sc, EMU_INTE, 4);
961 	x &= ~sc->ihandler[hnumber].inte_mask;
962 
963 	sc->ihandler[hnumber].inte_mask = 0;
964 	sc->ihandler[hnumber].intr_mask = 0;
965 	sc->ihandler[hnumber].softc = NULL;
966 	sc->ihandler[hnumber].irq_func = NULL;
967 
968 	/* other interrupt handlers may use this EMU_INTE value */
969 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
970 		if (sc->ihandler[i].inte_mask != 0)
971 			x |= sc->ihandler[i].inte_mask;
972 
973 	emu_wr(sc, EMU_INTE, x, 4);
974 
975 	mtx_unlock(&sc->lock);
976 	return (hnumber);
977 }
978 
979 static void
980 emu_intr(void *p)
981 {
982 	struct emu_sc_info *sc = (struct emu_sc_info *)p;
983 	uint32_t stat, ack;
984 	int i;
985 
986 	for (;;) {
987 		stat = emu_rd(sc, EMU_IPR, 4);
988 		ack = 0;
989 		if (stat == 0)
990 			break;
991 		emu_wr(sc, EMU_IPR, stat, 4);
992 		for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
993 			if ((((sc->ihandler[i].intr_mask) & stat) != 0) &&
994 			    (((void *)sc->ihandler[i].irq_func) != NULL)) {
995 				ack |= sc->ihandler[i].irq_func(sc->ihandler[i].softc,
996 				    (sc->ihandler[i].intr_mask) & stat);
997 			}
998 		}
999 	if (sc->dbg_level > 1)
1000 		if (stat & (~ack))
1001 			device_printf(sc->dev, "Unhandled interrupt: %08x\n", stat & (~ack));
1002 
1003 	}
1004 
1005 	if ((sc->is_ca0102) || (sc->is_ca0108))
1006 		for (;;) {
1007 			stat = emu_rd(sc, EMU_IPR2, 4);
1008 			ack = 0;
1009 			if (stat == 0)
1010 				break;
1011 			emu_wr(sc, EMU_IPR2, stat, 4);
1012 			if (sc->dbg_level > 1)
1013 				device_printf(sc->dev, "EMU_IPR2: %08x\n", stat);
1014 
1015 			break;	/* to avoid infinite loop. should be removed
1016 				 * after completion of P16V interface. */
1017 		}
1018 
1019 	if (sc->is_ca0102)
1020 		for (;;) {
1021 			stat = emu_rd(sc, EMU_IPR3, 4);
1022 			ack = 0;
1023 			if (stat == 0)
1024 				break;
1025 			emu_wr(sc, EMU_IPR3, stat, 4);
1026 			if (sc->dbg_level > 1)
1027 				device_printf(sc->dev, "EMU_IPR3: %08x\n", stat);
1028 
1029 			break;	/* to avoid infinite loop. should be removed
1030 				 * after completion of S/PDIF interface */
1031 		}
1032 }
1033 
1034 
1035 /*
1036  * Get data from private emu10kx structure for PCM buffer allocation.
1037  * Used by PCM code only.
1038  */
1039 bus_dma_tag_t
1040 emu_gettag(struct emu_sc_info *sc)
1041 {
1042 	return (sc->mem.dmat);
1043 }
1044 
1045 static void
1046 emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error)
1047 {
1048 	bus_addr_t *phys = (bus_addr_t *) arg;
1049 
1050 	*phys = error ? 0 : (bus_addr_t) segs->ds_addr;
1051 
1052 	if (bootverbose) {
1053 		printf("emu10kx: setmap (%lx, %lx), nseg=%d, error=%d\n",
1054 		    (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
1055 		    nseg, error);
1056 	}
1057 }
1058 
1059 static void *
1060 emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr,
1061     bus_dmamap_t *map)
1062 {
1063 	void *dmabuf;
1064 	int error;
1065 
1066 	*addr = 0;
1067 	if ((error = bus_dmamem_alloc(mem->dmat, &dmabuf, BUS_DMA_NOWAIT, map))) {
1068 		if (mem->card->dbg_level > 2)
1069 			device_printf(mem->card->dev, "emu_malloc: failed to alloc DMA map: %d\n", error);
1070 		return (NULL);
1071 		}
1072 	if ((error = bus_dmamap_load(mem->dmat, *map, dmabuf, sz, emu_setmap, addr, 0)) || !*addr) {
1073 		if (mem->card->dbg_level > 2)
1074 			device_printf(mem->card->dev, "emu_malloc: failed to load DMA memory: %d\n", error);
1075 		bus_dmamem_free(mem->dmat, dmabuf, *map);
1076 		return (NULL);
1077 		}
1078 	return (dmabuf);
1079 }
1080 
1081 static void
1082 emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map)
1083 {
1084 	bus_dmamap_unload(mem->dmat, map);
1085 	bus_dmamem_free(mem->dmat, dmabuf, map);
1086 }
1087 
1088 static void *
1089 emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char *owner)
1090 {
1091 	uint32_t blksz, start, idx, ofs, tmp, found;
1092 	struct emu_memblk *blk;
1093 	void *membuf;
1094 
1095 	blksz = sz / EMUPAGESIZE;
1096 	if (sz > (blksz * EMUPAGESIZE))
1097 		blksz++;
1098 	if (blksz > EMU_MAX_BUFSZ / EMUPAGESIZE) {
1099 		if (mem->card->dbg_level > 2)
1100 			device_printf(mem->card->dev, "emu_memalloc: memory request tool large\n");
1101 		return (NULL);
1102 		}
1103 	/* find a free block in the bitmap */
1104 	found = 0;
1105 	start = 1;
1106 	while (!found && start + blksz < EMU_MAXPAGES) {
1107 		found = 1;
1108 		for (idx = start; idx < start + blksz; idx++)
1109 			if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
1110 				found = 0;
1111 		if (!found)
1112 			start++;
1113 	}
1114 	if (!found) {
1115 		if (mem->card->dbg_level > 2)
1116 			device_printf(mem->card->dev, "emu_memalloc: no free space in bitmap\n");
1117 		return (NULL);
1118 		}
1119 	blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
1120 	if (blk == NULL) {
1121 		if (mem->card->dbg_level > 2)
1122 			device_printf(mem->card->dev, "emu_memalloc: buffer allocation failed\n");
1123 		return (NULL);
1124 		}
1125 	bzero(blk, sizeof(*blk));
1126 	membuf = emu_malloc(mem, sz, &blk->buf_addr, &blk->buf_map);
1127 	*addr = blk->buf_addr;
1128 	if (membuf == NULL) {
1129 		if (mem->card->dbg_level > 2)
1130 			device_printf(mem->card->dev, "emu_memalloc: can't setup HW memory\n");
1131 		free(blk, M_DEVBUF);
1132 		return (NULL);
1133 	}
1134 	blk->buf = membuf;
1135 	blk->pte_start = start;
1136 	blk->pte_size = blksz;
1137 	strncpy(blk->owner, owner, 15);
1138 	blk->owner[15] = '\0';
1139 	ofs = 0;
1140 	for (idx = start; idx < start + blksz; idx++) {
1141 		mem->bmap[idx >> 3] |= 1 << (idx & 7);
1142 		tmp = (uint32_t) (blk->buf_addr + ofs);
1143 		mem->ptb_pages[idx] = (tmp << 1) | idx;
1144 		ofs += EMUPAGESIZE;
1145 	}
1146 	SLIST_INSERT_HEAD(&mem->blocks, blk, link);
1147 	return (membuf);
1148 }
1149 
1150 static int
1151 emu_memfree(struct emu_mem *mem, void *membuf)
1152 {
1153 	uint32_t idx, tmp;
1154 	struct emu_memblk *blk, *i;
1155 
1156 	blk = NULL;
1157 	SLIST_FOREACH(i, &mem->blocks, link) {
1158 		if (i->buf == membuf)
1159 			blk = i;
1160 	}
1161 	if (blk == NULL)
1162 		return (EINVAL);
1163 	SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
1164 	emu_free(mem, membuf, blk->buf_map);
1165 	tmp = (uint32_t) (mem->silent_page_addr) << 1;
1166 	for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
1167 		mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
1168 		mem->ptb_pages[idx] = tmp | idx;
1169 	}
1170 	free(blk, M_DEVBUF);
1171 	return (0);
1172 }
1173 
1174 static int
1175 emu_memstart(struct emu_mem *mem, void *membuf)
1176 {
1177 	struct emu_memblk *blk, *i;
1178 
1179 	blk = NULL;
1180 	SLIST_FOREACH(i, &mem->blocks, link) {
1181 		if (i->buf == membuf)
1182 			blk = i;
1183 	}
1184 	if (blk == NULL)
1185 		return (-1);
1186 	return (blk->pte_start);
1187 }
1188 
1189 
1190 static uint32_t
1191 emu_rate_to_pitch(uint32_t rate)
1192 {
1193 	static uint32_t logMagTable[128] = {
1194 		0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
1195 		0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
1196 		0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
1197 		0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
1198 		0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
1199 		0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
1200 		0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
1201 		0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
1202 		0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
1203 		0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
1204 		0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
1205 		0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
1206 		0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
1207 		0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
1208 		0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
1209 		0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
1210 	};
1211 	static char logSlopeTable[128] = {
1212 		0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
1213 		0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
1214 		0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
1215 		0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
1216 		0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
1217 		0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
1218 		0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
1219 		0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
1220 		0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
1221 		0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
1222 		0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
1223 		0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
1224 		0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
1225 		0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
1226 		0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
1227 		0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
1228 	};
1229 	int i;
1230 
1231 	if (rate == 0)
1232 		return (0);
1233 	rate *= 11185;		/* Scale 48000 to 0x20002380 */
1234 	for (i = 31; i > 0; i--) {
1235 		if (rate & 0x80000000) {	/* Detect leading "1" */
1236 			return (((uint32_t) (i - 15) << 20) +
1237 			    logMagTable[0x7f & (rate >> 24)] +
1238 			    (0x7f & (rate >> 17)) *
1239 			    logSlopeTable[0x7f & (rate >> 24)]);
1240 		}
1241 		rate <<= 1;
1242 	}
1243 	/* NOTREACHED */
1244 	return (0);
1245 }
1246 
1247 static uint32_t
1248 emu_rate_to_linearpitch(uint32_t rate)
1249 {
1250 	rate = (rate << 8) / 375;
1251 	return ((rate >> 1) + (rate & 1));
1252 }
1253 
1254 struct emu_voice *
1255 emu_valloc(struct emu_sc_info *sc)
1256 {
1257 	struct emu_voice *v;
1258 	int i;
1259 
1260 	v = NULL;
1261 	mtx_lock(&sc->lock);
1262 	for (i = 0; i < NUM_G && sc->voice[i].busy; i++);
1263 	if (i < NUM_G) {
1264 		v = &sc->voice[i];
1265 		v->busy = 1;
1266 	}
1267 	mtx_unlock(&sc->lock);
1268 	return (v);
1269 }
1270 
1271 void
1272 emu_vfree(struct emu_sc_info *sc, struct emu_voice *v)
1273 {
1274 	int i, r;
1275 
1276 	mtx_lock(&sc->lock);
1277 	for (i = 0; i < NUM_G; i++) {
1278 		if (v == &sc->voice[i] && sc->voice[i].busy) {
1279 			v->busy = 0;
1280 			/*
1281 			 * XXX What we should do with mono channels?
1282 			 * See -pcm.c emupchan_init for other side of
1283 			 * this problem
1284 			 */
1285 			if (v->slave != NULL)
1286 				r = emu_memfree(&sc->mem, v->vbuf);
1287 		}
1288 	}
1289 	mtx_unlock(&sc->lock);
1290 }
1291 
1292 int
1293 emu_vinit(struct emu_sc_info *sc, struct emu_voice *m, struct emu_voice *s,
1294     uint32_t sz, struct snd_dbuf *b)
1295 {
1296 	void *vbuf;
1297 	bus_addr_t tmp_addr;
1298 
1299 	vbuf = emu_memalloc(&sc->mem, sz, &tmp_addr, "vinit");
1300 	if (vbuf == NULL) {
1301 		if(sc->dbg_level > 2)
1302 			device_printf(sc->dev, "emu_memalloc returns NULL in enu_vinit\n");
1303 		return (ENOMEM);
1304 		}
1305 	if (b != NULL)
1306 		sndbuf_setup(b, vbuf, sz);
1307 	m->start = emu_memstart(&sc->mem, vbuf) * EMUPAGESIZE;
1308 	if (m->start < 0) {
1309 		if(sc->dbg_level > 2)
1310 			device_printf(sc->dev, "emu_memstart returns (-1) in enu_vinit\n");
1311 		emu_memfree(&sc->mem, vbuf);
1312 		return (ENOMEM);
1313 	}
1314 	m->end = m->start + sz;
1315 	m->speed = 0;
1316 	m->b16 = 0;
1317 	m->stereo = 0;
1318 	m->running = 0;
1319 	m->ismaster = 1;
1320 	m->vol = 0xff;
1321 	m->buf = tmp_addr;
1322 	m->vbuf = vbuf;
1323 	m->slave = s;
1324 	if (s != NULL) {
1325 		s->start = m->start;
1326 		s->end = m->end;
1327 		s->speed = 0;
1328 		s->b16 = 0;
1329 		s->stereo = 0;
1330 		s->running = 0;
1331 		s->ismaster = 0;
1332 		s->vol = m->vol;
1333 		s->buf = m->buf;
1334 		s->vbuf = NULL;
1335 		s->slave = NULL;
1336 	}
1337 	return (0);
1338 }
1339 
1340 void
1341 emu_vsetup(struct emu_voice *v, int fmt, int spd)
1342 {
1343 	if (fmt) {
1344 		v->b16 = (fmt & AFMT_16BIT) ? 1 : 0;
1345 		v->stereo = (AFMT_CHANNEL(fmt) > 1) ? 1 : 0;
1346 		if (v->slave != NULL) {
1347 			v->slave->b16 = v->b16;
1348 			v->slave->stereo = v->stereo;
1349 		}
1350 	}
1351 	if (spd) {
1352 		v->speed = spd;
1353 		if (v->slave != NULL)
1354 			v->slave->speed = v->speed;
1355 	}
1356 }
1357 
1358 void
1359 emu_vroute(struct emu_sc_info *sc, struct emu_route *rt,  struct emu_voice *v)
1360 {
1361 	int i;
1362 
1363 	for (i = 0; i < 8; i++) {
1364 		v->routing[i] = rt->routing_left[i];
1365 		v->amounts[i] = rt->amounts_left[i];
1366 	}
1367 	if ((v->stereo) && (v->ismaster == 0))
1368 		for (i = 0; i < 8; i++) {
1369 			v->routing[i] = rt->routing_right[i];
1370 			v->amounts[i] = rt->amounts_right[i];
1371 		}
1372 
1373 	if ((v->stereo) && (v->slave != NULL))
1374 		emu_vroute(sc, rt, v->slave);
1375 }
1376 
1377 void
1378 emu_vwrite(struct emu_sc_info *sc, struct emu_voice *v)
1379 {
1380 	int s;
1381 	uint32_t start, val, silent_page;
1382 
1383 	s = (v->stereo ? 1 : 0) + (v->b16 ? 1 : 0);
1384 
1385 	v->sa = v->start >> s;
1386 	v->ea = v->end >> s;
1387 
1388 
1389 	if (v->stereo) {
1390 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, EMU_CHAN_CPF_STEREO_MASK);
1391 	} else {
1392 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, 0);
1393 	}
1394 	val = v->stereo ? 28 : 30;
1395 	val *= v->b16 ? 1 : 2;
1396 	start = v->sa + val;
1397 
1398 	if (sc->is_emu10k1) {
1399 		emu_wrptr(sc, v->vnum, EMU_CHAN_FXRT, ((v->routing[3] << 12) |
1400 		    (v->routing[2] << 8) |
1401 		    (v->routing[1] << 4) |
1402 		    (v->routing[0] << 0)) << 16);
1403 	} else {
1404 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT1, (v->routing[3] << 24) |
1405 		    (v->routing[2] << 16) |
1406 		    (v->routing[1] << 8) |
1407 		    (v->routing[0] << 0));
1408 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT2, (v->routing[7] << 24) |
1409 		    (v->routing[6] << 16) |
1410 		    (v->routing[5] << 8) |
1411 		    (v->routing[4] << 0));
1412 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, (v->amounts[7] << 24) |
1413 		    (v->amounts[6] << 26) |
1414 		    (v->amounts[5] << 8) |
1415 		    (v->amounts[4] << 0));
1416 	}
1417 	emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX, (v->amounts[0] << 8) | (v->amounts[1] << 0));
1418 	emu_wrptr(sc, v->vnum, EMU_CHAN_DSL, v->ea | (v->amounts[3] << 24));
1419 	emu_wrptr(sc, v->vnum, EMU_CHAN_PSST, v->sa | (v->amounts[2] << 24));
1420 
1421 	emu_wrptr(sc, v->vnum, EMU_CHAN_CCCA, start | (v->b16 ? 0 : EMU_CHAN_CCCA_8BITSELECT));
1422 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z1, 0);
1423 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z2, 0);
1424 
1425 	silent_page = ((uint32_t) (sc->mem.silent_page_addr) << 1) | EMU_CHAN_MAP_PTI_MASK;
1426 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPA, silent_page);
1427 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPB, silent_page);
1428 
1429 	emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, EMU_CHAN_CVCF_CURRFILTER_MASK);
1430 	emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
1431 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDM, 0);
1432 	emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSM, EMU_CHAN_DCYSUSM_DECAYTIME_MASK);
1433 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL1, 0x8000);
1434 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL2, 0x8000);
1435 	emu_wrptr(sc, v->vnum, EMU_CHAN_FMMOD, 0);
1436 	emu_wrptr(sc, v->vnum, EMU_CHAN_TREMFRQ, 0);
1437 	emu_wrptr(sc, v->vnum, EMU_CHAN_FM2FRQ2, 0);
1438 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVAL, 0x8000);
1439 
1440 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDV, EMU_CHAN_ATKHLDV_HOLDTIME_MASK | EMU_CHAN_ATKHLDV_ATTACKTIME_MASK);
1441 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVOL, 0x8000);
1442 
1443 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_FILTERAMOUNT, 0x7f);
1444 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_PITCHAMOUNT, 0);
1445 	if ((v->stereo) && (v->slave != NULL))
1446 		emu_vwrite(sc, v->slave);
1447 }
1448 
1449 static void
1450 emu_vstop(struct emu_sc_info *sc, char channel, int enable)
1451 {
1452 	int reg;
1453 
1454 	reg = (channel & 0x20) ? EMU_SOLEH : EMU_SOLEL;
1455 	channel &= 0x1f;
1456 	reg |= 1 << 24;
1457 	reg |= channel << 16;
1458 	emu_wrptr(sc, 0, reg, enable);
1459 }
1460 
1461 void
1462 emu_vtrigger(struct emu_sc_info *sc, struct emu_voice *v, int go)
1463 {
1464 	uint32_t pitch_target, initial_pitch;
1465 	uint32_t cra, cs, ccis;
1466 	uint32_t sample, i;
1467 
1468 	if (go) {
1469 		cra = 64;
1470 		cs = v->stereo ? 4 : 2;
1471 		ccis = v->stereo ? 28 : 30;
1472 		ccis *= v->b16 ? 1 : 2;
1473 		sample = v->b16 ? 0x00000000 : 0x80808080;
1474 		for (i = 0; i < cs; i++)
1475 			emu_wrptr(sc, v->vnum, EMU_CHAN_CD0 + i, sample);
1476 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, 0);
1477 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_READADDRESS, cra);
1478 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, ccis);
1479 
1480 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xff00);
1481 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
1482 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0xffffffff);
1483 		emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSV, 0x00007f7f);
1484 		emu_vstop(sc, v->vnum, 0);
1485 
1486 		pitch_target = emu_rate_to_linearpitch(v->speed);
1487 		initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
1488 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, pitch_target);
1489 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, pitch_target);
1490 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, initial_pitch);
1491 	} else {
1492 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, 0);
1493 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, 0);
1494 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xffff);
1495 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
1496 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0x0000ffff);
1497 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, 0);
1498 		emu_vstop(sc, v->vnum, 1);
1499 	}
1500 	if ((v->stereo) && (v->slave != NULL))
1501 		emu_vtrigger(sc, v->slave, go);
1502 }
1503 
1504 int
1505 emu_vpos(struct emu_sc_info *sc, struct emu_voice *v)
1506 {
1507 	int s, ptr;
1508 
1509 	s = (v->b16 ? 1 : 0) + (v->stereo ? 1 : 0);
1510 	ptr = (emu_rdptr(sc, v->vnum, EMU_CHAN_CCCA_CURRADDR) - (v->start >> s)) << s;
1511 	return (ptr & ~0x0000001f);
1512 }
1513 
1514 
1515 /* fx */
1516 static void
1517 emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data)
1518 {
1519 	emu_wrptr(sc, 0, sc->code_base + pc, data);
1520 }
1521 
1522 
1523 static void
1524 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)
1525 {
1526 	if ((*pc) + 1 > sc->code_size) {
1527 		device_printf(sc->dev, "DSP CODE OVERRUN: attept to write past code_size (pc=%d)\n", (*pc));
1528 		return;
1529 	}
1530 	emu_wrefx(sc, (*pc) * 2, (x << sc->high_operand_shift) | y);
1531 	emu_wrefx(sc, (*pc) * 2 + 1, (op << sc->opcode_shift) | (z << sc->high_operand_shift) | w);
1532 	(*pc)++;
1533 }
1534 
1535 static int
1536 sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS)
1537 {
1538 	struct emu_sc_info *sc;
1539 	int	mixer_id;
1540 	int	new_vol;
1541 	int	err;
1542 
1543 	sc = arg1;
1544 	mixer_id = arg2;
1545 
1546 	new_vol = emumix_get_volume(sc, mixer_id);
1547 	err = sysctl_handle_int(oidp, &new_vol, 0, req);
1548 
1549 	if (err || req->newptr == NULL)
1550 		return (err);
1551 	if (new_vol < 0 || new_vol > 100)
1552 		return (EINVAL);
1553 	emumix_set_volume(sc, mixer_id, new_vol);
1554 
1555 	return (0);
1556 }
1557 
1558 static int
1559 emu_addefxmixer(struct emu_sc_info *sc, const char *mix_name, const int mix_id, uint32_t defvolume)
1560 {
1561 	int volgpr;
1562 	char	sysctl_name[32];
1563 
1564 	volgpr = emu_rm_gpr_alloc(sc->rm, 1);
1565 	emumix_set_fxvol(sc, volgpr, defvolume);
1566 	/*
1567 	 * Mixer controls with NULL mix_name are handled
1568 	 * by AC97 emulation code or PCM mixer.
1569 	 */
1570 	if (mix_name != NULL) {
1571 		/*
1572 		 * Temporary sysctls should start with underscore,
1573 		 * see freebsd-current mailing list, emu10kx driver
1574 		 * discussion around 2006-05-24.
1575 		 */
1576 		snprintf(sysctl_name, 32, "_%s", mix_name);
1577 		SYSCTL_ADD_PROC(sc->ctx,
1578 			SYSCTL_CHILDREN(sc->root),
1579 			OID_AUTO, sysctl_name,
1580 			CTLTYPE_INT | CTLFLAG_RW, sc, mix_id,
1581 			sysctl_emu_mixer_control, "I", "");
1582 	}
1583 
1584 	return (volgpr);
1585 }
1586 
1587 static int
1588 sysctl_emu_digitalswitch_control(SYSCTL_HANDLER_ARGS)
1589 {
1590 	struct emu_sc_info *sc;
1591 	int	new_val;
1592 	int	err;
1593 
1594 	sc = arg1;
1595 
1596 	new_val = (sc->mode == MODE_DIGITAL) ? 1 : 0;
1597 	err = sysctl_handle_int(oidp, &new_val, 0, req);
1598 
1599 	if (err || req->newptr == NULL)
1600 		return (err);
1601 	if (new_val < 0 || new_val > 1)
1602 		return (EINVAL);
1603 
1604 	switch (new_val) {
1605 		case 0:
1606 			emumix_set_mode(sc, MODE_ANALOG);
1607 			break;
1608 		case 1:
1609 			emumix_set_mode(sc, MODE_DIGITAL);
1610 			break;
1611 	}
1612 	return (0);
1613 }
1614 
1615 static void
1616 emu_digitalswitch(struct emu_sc_info *sc)
1617 {
1618 	/* XXX temporary? */
1619 	SYSCTL_ADD_PROC(sc->ctx,
1620 		SYSCTL_CHILDREN(sc->root),
1621 		OID_AUTO, "_digital",
1622 		CTLTYPE_INT | CTLFLAG_RW, sc, 0,
1623 		sysctl_emu_digitalswitch_control, "I", "Enable digital output");
1624 
1625 	return;
1626 }
1627 
1628 /*
1629  * Allocate cache GPRs that will hold mixed output channels
1630  * and clear it on every DSP run.
1631  */
1632 #define	EFX_CACHE(CACHE_IDX) do {				\
1633 	sc->cache_gpr[CACHE_IDX] = emu_rm_gpr_alloc(sc->rm, 1); \
1634 	emu_addefxop(sc, ACC3, 					\
1635 		GPR(sc->cache_gpr[CACHE_IDX]), 			\
1636 		DSP_CONST(0), 					\
1637 		DSP_CONST(0), 					\
1638 		DSP_CONST(0), 					\
1639 		&pc);						\
1640 } while (0)
1641 
1642 /* Allocate GPR for volume control and route sound: OUT = OUT + IN * VOL */
1643 #define	EFX_ROUTE(TITLE, INP_NR, IN_GPR_IDX, OUT_CACHE_IDX, DEF) do { 	\
1644 	sc->mixer_gpr[IN_GPR_IDX] = emu_addefxmixer(sc, TITLE, IN_GPR_IDX,  DEF); \
1645 	sc->mixer_volcache[IN_GPR_IDX] = DEF; 			\
1646 	emu_addefxop(sc, MACS, 					\
1647 		GPR(sc->cache_gpr[OUT_CACHE_IDX]), 		\
1648 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1649 		INP_NR,						\
1650 		GPR(sc->mixer_gpr[IN_GPR_IDX]),			\
1651 		&pc);						\
1652 } while (0)
1653 
1654 /* allocate GPR, OUT = IN * VOL */
1655 #define	EFX_OUTPUT(TITLE, OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR, DEF) do {	\
1656 	sc->mixer_gpr[OUT_GPR_IDX] = emu_addefxmixer(sc, TITLE, OUT_GPR_IDX, DEF); \
1657 	sc->mixer_volcache[OUT_GPR_IDX] = DEF;			\
1658 	emu_addefxop(sc, MACS,					\
1659 		OUTP(OUTP_NR),					\
1660 		DSP_CONST(0),					\
1661 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1662 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1663 		&pc);						\
1664 } while (0)
1665 
1666 /* like EFX_OUTPUT, but don't allocate mixer gpr */
1667 #define	EFX_OUTPUTD(OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR) do {	\
1668 	emu_addefxop(sc, MACS,					\
1669 		OUTP(OUTP_NR),					\
1670 		DSP_CONST(0),					\
1671 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1672 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1673 		&pc);						\
1674 } while (0)
1675 
1676 /* skip next OPCOUNT instructions if FLAG != 0 */
1677 #define EFX_SKIP(OPCOUNT, FLAG_GPR) do {			\
1678 	emu_addefxop(sc, MACS,					\
1679 		DSP_CONST(0),					\
1680 		GPR(sc->mute_gpr[FLAG_GPR]),					\
1681 		DSP_CONST(0),					\
1682 		DSP_CONST(0),					\
1683 		&pc);						\
1684 	emu_addefxop(sc, SKIP,					\
1685 		DSP_CCR,					\
1686 		DSP_CCR,					\
1687 		COND_NEQ_ZERO,					\
1688 		OPCOUNT,					\
1689 		&pc);						\
1690 } while (0)
1691 
1692 #define EFX_COPY(TO, FROM) do {					\
1693 	emu_addefxop(sc, ACC3,					\
1694 		TO,						\
1695 		DSP_CONST(0),					\
1696 		DSP_CONST(0),					\
1697 		FROM,						\
1698 		&pc);						\
1699 } while (0)
1700 
1701 
1702 static void
1703 emu_initefx(struct emu_sc_info *sc)
1704 {
1705 	unsigned int i;
1706 	uint32_t pc;
1707 
1708 	/* stop DSP */
1709 	if (sc->is_emu10k1) {
1710 		emu_wrptr(sc, 0, EMU_DBG, EMU_DBG_SINGLE_STEP);
1711 	} else {
1712 		emu_wrptr(sc, 0, EMU_A_DBG, EMU_A_DBG_SINGLE_STEP);
1713 	}
1714 
1715 	/* code size is in instructions */
1716 	pc = 0;
1717 	for (i = 0; i < sc->code_size; i++) {
1718 		if (sc->is_emu10k1) {
1719 			emu_addefxop(sc, ACC3, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), &pc);
1720 		} else {
1721 			emu_addefxop(sc, SKIP, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0xf), DSP_CONST(0x0), &pc);
1722 		}
1723 	}
1724 
1725 	/* allocate GPRs for mute switches (EFX_SKIP). Mute by default */
1726 	for (i = 0; i < NUM_MUTE; i++) {
1727 		sc->mute_gpr[i] = emu_rm_gpr_alloc(sc->rm, 1);
1728 		emumix_set_gpr(sc, sc->mute_gpr[i], 1);
1729 	}
1730 	emu_digitalswitch(sc);
1731 
1732 	pc = 0;
1733 
1734 	/*
1735 	 * DSP code below is not good, because:
1736 	 * 1. It can be written smaller, if it can use DSP accumulator register
1737 	 * instead of cache_gpr[].
1738 	 * 2. It can be more careful when volume is 100%, because in DSP
1739 	 * x*0x7fffffff may not be equal to x !
1740 	 */
1741 
1742 	/* clean outputs */
1743 	for (i = 0; i < 16 ; i++) {
1744 		emu_addefxop(sc, ACC3, OUTP(i), DSP_CONST(0), DSP_CONST(0), DSP_CONST(0), &pc);
1745 	}
1746 
1747 
1748 	if (sc->is_emu10k1) {
1749 		EFX_CACHE(C_FRONT_L);
1750 		EFX_CACHE(C_FRONT_R);
1751 		EFX_CACHE(C_REC_L);
1752 		EFX_CACHE(C_REC_R);
1753 
1754 		/* fx0 to front/record, 100%/muted by default */
1755 		EFX_ROUTE("pcm_front_l", FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1756 		EFX_ROUTE("pcm_front_r", FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1757 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1758 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1759 
1760 		/* in0, from AC97 codec output */
1761 		EFX_ROUTE("ac97_front_l", INP(IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 0);
1762 		EFX_ROUTE("ac97_front_r", INP(IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 0);
1763 		EFX_ROUTE("ac97_rec_l", INP(IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1764 		EFX_ROUTE("ac97_rec_r", INP(IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1765 
1766 		/* in1, from CD S/PDIF */
1767 		/* XXX EFX_SKIP 4 assumes that each EFX_ROUTE is one DSP op */
1768 		EFX_SKIP(4, CDSPDIFMUTE);
1769 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1770 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1771 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1772 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1773 
1774 		if (sc->dbg_level > 0) {
1775 			/* in2, ZoomVide (???) */
1776 			EFX_ROUTE("zoom_front_l", INP(IN_ZOOM_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1777 			EFX_ROUTE("zoom_front_r", INP(IN_ZOOM_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1778 			EFX_ROUTE("zoom_rec_l", INP(IN_ZOOM_L), M_IN2_REC_L, C_REC_L, 0);
1779 			EFX_ROUTE("zoom_rec_r", INP(IN_ZOOM_R), M_IN2_REC_R, C_REC_R, 0);
1780 		}
1781 
1782 		/* in3, TOSLink  */
1783 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_FRONT_L, C_FRONT_L, 0);
1784 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_FRONT_R, C_FRONT_R, 0);
1785 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_REC_L, C_REC_L, 0);
1786 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_REC_R, C_REC_R, 0);
1787 		/* in4, LineIn  */
1788 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1789 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1790 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_REC_L, C_REC_L, 0);
1791 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_REC_R, C_REC_R, 0);
1792 
1793 		/* in5, on-card S/PDIF */
1794 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1795 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1796 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1797 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1798 
1799 		/* in6, Line2 on Live!Drive */
1800 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1801 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1802 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_REC_L, C_REC_L, 0);
1803 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_REC_R, C_REC_R, 0);
1804 
1805 		if (sc->dbg_level > 0) {
1806 			/* in7, unknown */
1807 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
1808 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
1809 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
1810 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
1811 		}
1812 
1813 		/* analog and digital */
1814 		EFX_OUTPUT("master_front_l", C_FRONT_L, M_MASTER_FRONT_L, OUT_AC97_L, 100);
1815 		EFX_OUTPUT("master_front_r", C_FRONT_R, M_MASTER_FRONT_R, OUT_AC97_R, 100);
1816 		/* S/PDIF */
1817 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_TOSLINK_L);
1818 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_TOSLINK_R);
1819 		/* Headphones */
1820 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_HEADPHONE_L);
1821 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_HEADPHONE_R);
1822 
1823 		/* rec output to "ADC" */
1824 		EFX_OUTPUT("master_rec_l", C_REC_L, M_MASTER_REC_L, OUT_ADC_REC_L, 100);
1825 		EFX_OUTPUT("master_rec_r", C_REC_R, M_MASTER_REC_R, OUT_ADC_REC_R, 100);
1826 
1827 		if (!(sc->mch_disabled)) {
1828 			/*
1829 			 * Additional channel volume is controlled by mixer in
1830 			 * emu_dspmixer_set() in -pcm.c
1831 			 */
1832 
1833 			/* fx2/3 (pcm1) to rear */
1834 			EFX_CACHE(C_REAR_L);
1835 			EFX_CACHE(C_REAR_R);
1836 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
1837 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
1838 
1839 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, OUT_REAR_L, 100);
1840 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, OUT_REAR_R, 100);
1841 			if (sc->has_51) {
1842 				/* fx4 (pcm2) to center */
1843 				EFX_CACHE(C_CENTER);
1844 				EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
1845 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1846 
1847 				/* XXX in digital mode (default) this should be muted because
1848 				this output is shared with digital out */
1849 				EFX_SKIP(1, ANALOGMUTE);
1850 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1851 
1852 				/* fx5 (pcm3) to sub */
1853 				EFX_CACHE(C_SUB);
1854 				EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
1855 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1856 
1857 				/* XXX in digital mode (default) this should be muted because
1858 				this output is shared with digital out */
1859 				EFX_SKIP(1, ANALOGMUTE);
1860 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1861 
1862 			}
1863 		} else {
1864 			/* SND_EMU10KX_MULTICHANNEL_DISABLED */
1865 			EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_REAR_L, OUT_REAR_L, 57); /* 75%*75% */
1866 			EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_REAR_R, OUT_REAR_R, 57); /* 75%*75% */
1867 
1868 #if 0
1869 			/* XXX 5.1 does not work */
1870 
1871 			if (sc->has_51) {
1872 				/* (fx0+fx1)/2 to center */
1873 				EFX_CACHE(C_CENTER);
1874 				emu_addefxop(sc, MACS,
1875 					GPR(sc->cache_gpr[C_CENTER]),
1876 					GPR(sc->cache_gpr[C_CENTER]),
1877 					DSP_CONST(0xd), /* = 1/2 */
1878 					GPR(sc->cache_gpr[C_FRONT_L]),
1879 					&pc);
1880 				emu_addefxop(sc, MACS,
1881 					GPR(sc->cache_gpr[C_CENTER]),
1882 					GPR(sc->cache_gpr[C_CENTER]),
1883 					DSP_CONST(0xd), /* = 1/2 */
1884 					GPR(sc->cache_gpr[C_FRONT_R]),
1885 					&pc);
1886 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1887 
1888 				/* XXX in digital mode (default) this should be muted because
1889 				this output is shared with digital out */
1890 				EFX_SKIP(1, ANALOGMUTE);
1891 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1892 
1893 				/* (fx0+fx1)/2  to sub */
1894 				EFX_CACHE(C_SUB);
1895 				emu_addefxop(sc, MACS,
1896 					GPR(sc->cache_gpr[C_CENTER]),
1897 					GPR(sc->cache_gpr[C_CENTER]),
1898 					DSP_CONST(0xd), /* = 1/2 */
1899 					GPR(sc->cache_gpr[C_FRONT_L]),
1900 					&pc);
1901 				emu_addefxop(sc, MACS,
1902 					GPR(sc->cache_gpr[C_CENTER]),
1903 					GPR(sc->cache_gpr[C_CENTER]),
1904 					DSP_CONST(0xd), /* = 1/2 */
1905 					GPR(sc->cache_gpr[C_FRONT_R]),
1906 					&pc);
1907 				/* XXX add lowpass filter here */
1908 
1909 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1910 
1911 				/* XXX in digital mode (default) this should be muted because
1912 				this output is shared with digital out */
1913 				EFX_SKIP(1, ANALOGMUTE);
1914 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1915 			}
1916 #endif
1917 		} /* !mch_disabled */
1918 		if (sc->mch_rec) {
1919 			/*
1920 			 * MCH RECORDING , hight 16 slots. On 5.1 cards first 4 slots
1921 			 * are used as outputs and already filled with data
1922 			 */
1923 			/*
1924 			 * XXX On Live! cards stream does not begin at zero offset.
1925 			 * It can be HW, driver or sound buffering problem.
1926 			 * Use sync substream (offset 0x3E) to let userland find
1927 			 * correct data.
1928 			 */
1929 
1930 			/*
1931 			 * Substream map (in byte offsets, each substream is 2 bytes):
1932 			 *	0x00..0x1E - outputs
1933 			 *	0x20..0x3E - FX, inputs and sync stream
1934 			 */
1935 
1936 			/* First 2 channels (offset 0x20,0x22) are empty */
1937 			for(i = (sc->has_51 ? 2 : 0); i < 2; i++)
1938 				EFX_COPY(FX2(i), DSP_CONST(0));
1939 
1940 			/* PCM Playback monitoring, offset 0x24..0x2A */
1941 			for(i = 0; i < 4; i++)
1942 				EFX_COPY(FX2(i+2), FX(i));
1943 
1944 			/* Copy of some inputs, offset 0x2C..0x3C */
1945 			for(i = 0; i < 9; i++)
1946 				EFX_COPY(FX2(i+8), INP(i));
1947 
1948 			/* sync data (0xc0de, offset 0x3E) */
1949 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
1950 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
1951 
1952 			EFX_COPY(FX2(15), GPR(sc->dummy_gpr));
1953 		} /* mch_rec */
1954 	} else /* emu10k2 and later */ {
1955 		EFX_CACHE(C_FRONT_L);
1956 		EFX_CACHE(C_FRONT_R);
1957 		EFX_CACHE(C_REC_L);
1958 		EFX_CACHE(C_REC_R);
1959 
1960 		/* fx0 to front/record, 100%/muted by default */
1961 		/*
1962 		 * FRONT_[L|R] is controlled by AC97 emulation in
1963 		 * emu_ac97_[read|write]_emulation in -pcm.c
1964 		 */
1965 		EFX_ROUTE(NULL, FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1966 		EFX_ROUTE(NULL, FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1967 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1968 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1969 
1970 		/* in0, from AC97 codec output */
1971 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 100);
1972 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 100);
1973 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1974 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1975 
1976 		/* in1, from CD S/PDIF */
1977 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1978 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1979 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1980 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1981 
1982 		/* in2, optical & coax S/PDIF on AudigyDrive*/
1983 		/* XXX Should be muted when GPRSCS valid stream == 0 */
1984 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1985 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1986 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_REC_L, C_REC_L, 0);
1987 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_REC_R, C_REC_R, 0);
1988 
1989 		if (sc->dbg_level > 0) {
1990 			/* in3, unknown */
1991 			EFX_ROUTE("in3_front_l", INP(0x6), M_IN3_FRONT_L, C_FRONT_L, 0);
1992 			EFX_ROUTE("in3_front_r", INP(0x7), M_IN3_FRONT_R, C_FRONT_R, 0);
1993 			EFX_ROUTE("in3_rec_l", INP(0x6), M_IN3_REC_L, C_REC_L, 0);
1994 			EFX_ROUTE("in3_rec_r", INP(0x7), M_IN3_REC_R, C_REC_R, 0);
1995 		}
1996 
1997 		/* in4, LineIn 2 on AudigyDrive */
1998 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1999 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_FRONT_R, C_FRONT_R, 0);
2000 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_REC_L, C_REC_L, 0);
2001 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_REC_R, C_REC_R, 0);
2002 
2003 		/* in5, on-card S/PDIF */
2004 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
2005 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
2006 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
2007 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
2008 
2009 		/* in6, AUX2 on AudigyDrive */
2010 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
2011 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
2012 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_REC_L, C_REC_L, 0);
2013 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_REC_R, C_REC_R, 0);
2014 
2015 		if (sc->dbg_level > 0) {
2016 			/* in7, unknown */
2017 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
2018 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
2019 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
2020 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
2021 		}
2022 
2023 		/* front output to headphones and  alog and digital *front */
2024 		/* volume controlled by AC97 emulation */
2025 		EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_FRONT_L, 100);
2026 		EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_FRONT_R, 100);
2027 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_FRONT_L);
2028 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_FRONT_R);
2029 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_HPHONE_L);
2030 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_HPHONE_R);
2031 
2032 		/* rec output to "ADC" */
2033 		/* volume controlled by AC97 emulation */
2034 		EFX_OUTPUT(NULL, C_REC_L, M_MASTER_REC_L, A_OUT_ADC_REC_L, 100);
2035 		EFX_OUTPUT(NULL, C_REC_R, M_MASTER_REC_R, A_OUT_ADC_REC_R, 100);
2036 
2037 		if (!(sc->mch_disabled)) {
2038 			/*
2039 			 * Additional channel volume is controlled by mixer in
2040 			 * emu_dspmixer_set() in -pcm.c
2041 			 */
2042 
2043 			/* fx2/3 (pcm1) to rear */
2044 			EFX_CACHE(C_REAR_L);
2045 			EFX_CACHE(C_REAR_R);
2046 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
2047 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
2048 
2049 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, A_OUT_A_REAR_L, 100);
2050 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, A_OUT_A_REAR_R, 100);
2051 			EFX_OUTPUTD(C_REAR_L, M_MASTER_REAR_L, A_OUT_D_REAR_L);
2052 			EFX_OUTPUTD(C_REAR_R, M_MASTER_REAR_R, A_OUT_D_REAR_R);
2053 
2054 			/* fx4 (pcm2) to center */
2055 			EFX_CACHE(C_CENTER);
2056 			EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
2057 			EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2058 #if 0
2059 			/*
2060 			 * XXX in digital mode (default) this should be muted
2061 			 * because this output is shared with digital out
2062 			 */
2063 			EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2064 #endif
2065 			/* fx5 (pcm3) to sub */
2066 			EFX_CACHE(C_SUB);
2067 			EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
2068 			EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2069 #if 0
2070 			/*
2071 			 * XXX in digital mode (default) this should be muted
2072 			 * because this output is shared with digital out
2073 			 */
2074 			EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2075 #endif
2076 			if (sc->has_71) {
2077 				/* XXX this will broke headphones on AudigyDrive */
2078 				/* fx6/7 (pcm4) to side */
2079 				EFX_CACHE(C_SIDE_L);
2080 				EFX_CACHE(C_SIDE_R);
2081 				EFX_ROUTE(NULL, FX(6), M_FX6_SIDE_L, C_SIDE_L, 100);
2082 				EFX_ROUTE(NULL, FX(7), M_FX7_SIDE_R, C_SIDE_R, 100);
2083 				EFX_OUTPUT(NULL, C_SIDE_L, M_MASTER_SIDE_L, A_OUT_A_SIDE_L, 100);
2084 				EFX_OUTPUT(NULL, C_SIDE_R, M_MASTER_SIDE_R, A_OUT_A_SIDE_R, 100);
2085 				EFX_OUTPUTD(C_SIDE_L, M_MASTER_SIDE_L, A_OUT_D_SIDE_L);
2086 				EFX_OUTPUTD(C_SIDE_R, M_MASTER_SIDE_R, A_OUT_D_SIDE_R);
2087 			}
2088 		} else {	/* mch_disabled */
2089 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_REAR_L);
2090 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_REAR_R);
2091 
2092 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_REAR_L);
2093 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_REAR_R);
2094 
2095 			if (sc->has_51) {
2096 				/* (fx0+fx1)/2 to center */
2097 				EFX_CACHE(C_CENTER);
2098 				emu_addefxop(sc, MACS,
2099 					GPR(sc->cache_gpr[C_CENTER]),
2100 					GPR(sc->cache_gpr[C_CENTER]),
2101 					DSP_CONST(0xd), /* = 1/2 */
2102 					GPR(sc->cache_gpr[C_FRONT_L]),
2103 					&pc);
2104 				emu_addefxop(sc, MACS,
2105 					GPR(sc->cache_gpr[C_CENTER]),
2106 					GPR(sc->cache_gpr[C_CENTER]),
2107 					DSP_CONST(0xd), /* = 1/2 */
2108 					GPR(sc->cache_gpr[C_FRONT_R]),
2109 					&pc);
2110 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2111 
2112 				/* XXX in digital mode (default) this should be muted because
2113 				this output is shared with digital out */
2114 				EFX_SKIP(1, ANALOGMUTE);
2115 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2116 
2117 				/* (fx0+fx1)/2  to sub */
2118 				EFX_CACHE(C_SUB);
2119 				emu_addefxop(sc, MACS,
2120 					GPR(sc->cache_gpr[C_SUB]),
2121 					GPR(sc->cache_gpr[C_SUB]),
2122 					DSP_CONST(0xd), /* = 1/2 */
2123 					GPR(sc->cache_gpr[C_FRONT_L]),
2124 					&pc);
2125 				emu_addefxop(sc, MACS,
2126 					GPR(sc->cache_gpr[C_SUB]),
2127 					GPR(sc->cache_gpr[C_SUB]),
2128 					DSP_CONST(0xd), /* = 1/2 */
2129 					GPR(sc->cache_gpr[C_FRONT_R]),
2130 					&pc);
2131 				/* XXX add lowpass filter here */
2132 
2133 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2134 
2135 				/* XXX in digital mode (default) this should be muted because
2136 				this output is shared with digital out */
2137 				EFX_SKIP(1, ANALOGMUTE);
2138 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2139 			}
2140 		} /* mch_disabled */
2141 		if (sc->mch_rec) {
2142 			/* MCH RECORDING, high 32 slots */
2143 
2144 			/*
2145 			 * Stream map (in byte offsets):
2146 			 *	0x00..0x3E - outputs
2147 			 *	0x40..0x7E - FX, inputs
2148 			 *	each substream is 2 bytes.
2149 			 */
2150 			/*
2151 			 * XXX Audigy 2 Value cards (and, possibly,
2152 			 * Audigy 4) write some unknown data in place of
2153 			 * some outputs (offsets 0x20..0x3F) and one
2154 			 * input (offset 0x7E).
2155 			 */
2156 
2157 			/* PCM Playback monitoring, offsets 0x40..0x5E */
2158 			for(i = 0; i < 16; i++)
2159 				EFX_COPY(FX2(i), FX(i));
2160 
2161 			/* Copy of all inputs, offsets 0x60..0x7E */
2162 			for(i = 0; i < 16; i++)
2163 				EFX_COPY(FX2(i+16), INP(i));
2164 #if 0
2165 			/* XXX Audigy seems to work correct and does not need this */
2166 			/* sync data (0xc0de), offset 0x7E */
2167 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2168 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
2169 			EFX_COPY(FX2(31), GPR(sc->dummy_gpr));
2170 #endif
2171 		} /* mch_rec */
2172 	}
2173 
2174 	sc->routing_code_end = pc;
2175 
2176 	/* start DSP */
2177 	if (sc->is_emu10k1) {
2178 		emu_wrptr(sc, 0, EMU_DBG, 0);
2179 	} else {
2180 		emu_wrptr(sc, 0, EMU_A_DBG, 0);
2181 	}
2182 }
2183 
2184 /* /dev/em10kx */
2185 static d_open_t		emu10kx_open;
2186 static d_close_t	emu10kx_close;
2187 static d_read_t		emu10kx_read;
2188 
2189 static struct cdevsw emu10kx_cdevsw = {
2190 	.d_open = 	emu10kx_open,
2191 	.d_close =	emu10kx_close,
2192 	.d_read = 	emu10kx_read,
2193 	.d_name = 	"emu10kx",
2194 	.d_version = 	D_VERSION,
2195 };
2196 
2197 
2198 static int
2199 emu10kx_open(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2200 {
2201 	int error;
2202 	struct emu_sc_info *sc;
2203 
2204 	sc = i_dev->si_drv1;
2205 	mtx_lock(&sc->emu10kx_lock);
2206 	if (sc->emu10kx_isopen) {
2207 		mtx_unlock(&sc->emu10kx_lock);
2208 		return (EBUSY);
2209 	}
2210 	sc->emu10kx_isopen = 1;
2211 	mtx_unlock(&sc->emu10kx_lock);
2212 	if (sbuf_new(&sc->emu10kx_sbuf, NULL, 4096, 0) == NULL) {
2213 		error = ENXIO;
2214 		goto out;
2215 	}
2216 	sc->emu10kx_bufptr = 0;
2217 	error = (emu10kx_prepare(sc, &sc->emu10kx_sbuf) > 0) ? 0 : ENOMEM;
2218 out:
2219 	if (error) {
2220 		mtx_lock(&sc->emu10kx_lock);
2221 		sc->emu10kx_isopen = 0;
2222 		mtx_unlock(&sc->emu10kx_lock);
2223 	}
2224 	return (error);
2225 }
2226 
2227 static int
2228 emu10kx_close(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2229 {
2230 	struct emu_sc_info *sc;
2231 
2232 	sc = i_dev->si_drv1;
2233 
2234 	mtx_lock(&sc->emu10kx_lock);
2235 	if (!(sc->emu10kx_isopen)) {
2236 		mtx_unlock(&sc->emu10kx_lock);
2237 		return (EBADF);
2238 	}
2239 	sbuf_delete(&sc->emu10kx_sbuf);
2240 	sc->emu10kx_isopen = 0;
2241 	mtx_unlock(&sc->emu10kx_lock);
2242 
2243 	return (0);
2244 }
2245 
2246 static int
2247 emu10kx_read(struct cdev *i_dev, struct uio *buf, int flag __unused)
2248 {
2249 	int l, err;
2250 	struct emu_sc_info *sc;
2251 
2252 	sc = i_dev->si_drv1;
2253 	mtx_lock(&sc->emu10kx_lock);
2254 	if (!(sc->emu10kx_isopen)) {
2255 		mtx_unlock(&sc->emu10kx_lock);
2256 		return (EBADF);
2257 	}
2258 	mtx_unlock(&sc->emu10kx_lock);
2259 
2260 	l = min(buf->uio_resid, sbuf_len(&sc->emu10kx_sbuf) - sc->emu10kx_bufptr);
2261 	err = (l > 0) ? uiomove(sbuf_data(&sc->emu10kx_sbuf) + sc->emu10kx_bufptr, l, buf) : 0;
2262 	sc->emu10kx_bufptr += l;
2263 
2264 	return (err);
2265 }
2266 
2267 static int
2268 emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s)
2269 {
2270 	int i;
2271 
2272 	sbuf_printf(s, "FreeBSD EMU10Kx Audio Driver\n");
2273 	sbuf_printf(s, "\nHardware resource usage:\n");
2274 	sbuf_printf(s, "DSP General Purpose Registers: %d used, %d total\n", sc->rm->num_used, sc->rm->num_gprs);
2275 	sbuf_printf(s, "DSP Instruction Registers: %d used, %d total\n", sc->routing_code_end, sc->code_size);
2276 	sbuf_printf(s, "Card supports");
2277 	if (sc->has_ac97) {
2278 		sbuf_printf(s, " AC97 codec");
2279 	} else {
2280 		sbuf_printf(s, " NO AC97 codec");
2281 	}
2282 	if (sc->has_51) {
2283 		if (sc->has_71)
2284 			sbuf_printf(s, " and 7.1 output");
2285 		else
2286 			sbuf_printf(s, " and 5.1 output");
2287 	}
2288 	if (sc->is_emu10k1)
2289 		sbuf_printf(s, ", SBLive! DSP code");
2290 	if (sc->is_emu10k2)
2291 		sbuf_printf(s, ", Audigy DSP code");
2292 	if (sc->is_ca0102)
2293 		sbuf_printf(s, ", Audigy DSP code with Audigy2 hacks");
2294 	if (sc->is_ca0108)
2295 		sbuf_printf(s, ", Audigy DSP code with Audigy2Value hacks");
2296 	sbuf_printf(s, "\n");
2297 	if (sc->broken_digital)
2298 		sbuf_printf(s, "Digital mode unsupported\n");
2299 	sbuf_printf(s, "\nInstalled devices:\n");
2300 	for (i = 0; i < RT_COUNT; i++)
2301 		if (sc->pcm[i] != NULL)
2302 			if (device_is_attached(sc->pcm[i])) {
2303 				sbuf_printf(s, "%s on %s\n", device_get_desc(sc->pcm[i]), device_get_nameunit(sc->pcm[i]));
2304 			}
2305 	if (sc->midi[0] != NULL)
2306 		if (device_is_attached(sc->midi[0])) {
2307 			sbuf_printf(s, "EMU10Kx MIDI Interface\n");
2308 			sbuf_printf(s, "\tOn-card connector on %s\n", device_get_nameunit(sc->midi[0]));
2309 		}
2310 	if (sc->midi[1] != NULL)
2311 		if (device_is_attached(sc->midi[1])) {
2312 			sbuf_printf(s, "\tOn-Drive connector on %s\n", device_get_nameunit(sc->midi[1]));
2313 		}
2314 	if (sc->midi[0] != NULL)
2315 		if (device_is_attached(sc->midi[0])) {
2316 			sbuf_printf(s, "\tIR receiver MIDI events %s\n", sc->enable_ir ? "enabled" : "disabled");
2317 		}
2318 	sbuf_printf(s, "Card is in %s mode\n", (sc->mode == MODE_ANALOG) ? "analog" : "digital");
2319 
2320 	sbuf_finish(s);
2321 	return (sbuf_len(s));
2322 }
2323 
2324 /* INIT & UNINIT */
2325 static int
2326 emu10kx_dev_init(struct emu_sc_info *sc)
2327 {
2328 	int unit;
2329 
2330 	mtx_init(&sc->emu10kx_lock, device_get_nameunit(sc->dev), "kxdevlock", 0);
2331 	unit = device_get_unit(sc->dev);
2332 
2333 	sc->cdev = make_dev(&emu10kx_cdevsw, PCMMINOR(unit), UID_ROOT, GID_WHEEL, 0640, "emu10kx%d", unit);
2334 	if (sc->cdev != NULL) {
2335 		sc->cdev->si_drv1 = sc;
2336 		return (0);
2337 	}
2338 	return (ENXIO);
2339 }
2340 
2341 static int
2342 emu10kx_dev_uninit(struct emu_sc_info *sc)
2343 {
2344 	mtx_lock(&sc->emu10kx_lock);
2345 	if (sc->emu10kx_isopen) {
2346 		mtx_unlock(&sc->emu10kx_lock);
2347 		return (EBUSY);
2348 	}
2349 	if (sc->cdev)
2350 		destroy_dev(sc->cdev);
2351 	sc->cdev = NULL;
2352 
2353 	mtx_destroy(&sc->emu10kx_lock);
2354 	return (0);
2355 }
2356 
2357 /* resource manager */
2358 int
2359 emu_rm_init(struct emu_sc_info *sc)
2360 {
2361 	int i;
2362 	int maxcount;
2363 	struct emu_rm *rm;
2364 
2365 	rm = malloc(sizeof(struct emu_rm), M_DEVBUF, M_NOWAIT | M_ZERO);
2366 	if (rm == NULL) {
2367 		return (ENOMEM);
2368 	}
2369 	sc->rm = rm;
2370 	rm->card = sc;
2371 	maxcount = sc->num_gprs;
2372 	rm->num_used = 0;
2373 	mtx_init(&(rm->gpr_lock), device_get_nameunit(sc->dev), "gpr alloc", MTX_DEF);
2374 	rm->num_gprs = (maxcount < EMU_MAX_GPR ? maxcount : EMU_MAX_GPR);
2375 	for (i = 0; i < rm->num_gprs; i++)
2376 		rm->allocmap[i] = 0;
2377 	/* pre-allocate gpr[0] */
2378 	rm->allocmap[0] = 1;
2379 	rm->last_free_gpr = 1;
2380 
2381 	return (0);
2382 }
2383 
2384 int
2385 emu_rm_uninit(struct emu_sc_info *sc)
2386 {
2387 	int i;
2388 
2389 	if (sc->dbg_level > 1) {
2390 		mtx_lock(&(sc->rm->gpr_lock));
2391 		for (i = 1; i < sc->rm->last_free_gpr; i++)
2392 			if (sc->rm->allocmap[i] > 0)
2393 				device_printf(sc->dev, "rm: gpr %d not free before uninit\n", i);
2394 		mtx_unlock(&(sc->rm->gpr_lock));
2395 	}
2396 
2397 	mtx_destroy(&(sc->rm->gpr_lock));
2398 	free(sc->rm, M_DEVBUF);
2399 	return (0);
2400 }
2401 
2402 static int
2403 emu_rm_gpr_alloc(struct emu_rm *rm, int count)
2404 {
2405 	int i, j;
2406 	int allocated_gpr;
2407 
2408 	allocated_gpr = rm->num_gprs;
2409 	/* try fast way first */
2410 	mtx_lock(&(rm->gpr_lock));
2411 	if (rm->last_free_gpr + count <= rm->num_gprs) {
2412 		allocated_gpr = rm->last_free_gpr;
2413 		rm->last_free_gpr += count;
2414 		rm->allocmap[allocated_gpr] = count;
2415 		for (i = 1; i < count; i++)
2416 			rm->allocmap[allocated_gpr + i] = -(count - i);
2417 	} else {
2418 		/* longer */
2419 		i = 0;
2420 		allocated_gpr = rm->num_gprs;
2421 		while (i < rm->last_free_gpr - count) {
2422 			if (rm->allocmap[i] > 0) {
2423 				i += rm->allocmap[i];
2424 			} else {
2425 				allocated_gpr = i;
2426 				for (j = 1; j < count; j++) {
2427 					if (rm->allocmap[i + j] != 0)
2428 						allocated_gpr = rm->num_gprs;
2429 				}
2430 				if (allocated_gpr == i)
2431 					break;
2432 			}
2433 		}
2434 		if (allocated_gpr + count < rm->last_free_gpr) {
2435 			rm->allocmap[allocated_gpr] = count;
2436 			for (i = 1; i < count; i++)
2437 				rm->allocmap[allocated_gpr + i] = -(count - i);
2438 
2439 		}
2440 	}
2441 	if (allocated_gpr == rm->num_gprs)
2442 		allocated_gpr = (-1);
2443 	if (allocated_gpr >= 0)
2444 		rm->num_used += count;
2445 	mtx_unlock(&(rm->gpr_lock));
2446 	return (allocated_gpr);
2447 }
2448 
2449 /* mixer */
2450 void
2451 emumix_set_mode(struct emu_sc_info *sc, int mode)
2452 {
2453 	uint32_t a_iocfg;
2454 	uint32_t hcfg;
2455 	uint32_t tmp;
2456 
2457 	switch (mode) {
2458 	case MODE_DIGITAL:
2459 		/* FALLTHROUGH */
2460 	case MODE_ANALOG:
2461 		break;
2462 	default:
2463 		return;
2464 	}
2465 
2466 	hcfg = EMU_HCFG_AUDIOENABLE | EMU_HCFG_AUTOMUTE;
2467 	a_iocfg = 0;
2468 
2469 	if (sc->rev >= 6)
2470 		hcfg |= EMU_HCFG_JOYENABLE;
2471 
2472 	if (sc->is_emu10k1)
2473 		hcfg |= EMU_HCFG_LOCKTANKCACHE_MASK;
2474 	else
2475 		hcfg |= EMU_HCFG_CODECFMT_I2S | EMU_HCFG_JOYENABLE;
2476 
2477 
2478 	if (mode == MODE_DIGITAL) {
2479 		if (sc->broken_digital) {
2480 			device_printf(sc->dev, "Digital mode is reported as broken on this card.\n");
2481 		}
2482 		a_iocfg |= EMU_A_IOCFG_GPOUT1;
2483 		hcfg |= EMU_HCFG_GPOUT0;
2484 	}
2485 
2486 	if (mode == MODE_ANALOG)
2487 		emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2488 
2489 	if (sc->is_emu10k2)
2490 		a_iocfg |= 0x80; /* XXX */
2491 
2492 	if ((sc->is_ca0102) || (sc->is_ca0108))
2493 		/*
2494 		 * Setting EMU_A_IOCFG_DISABLE_ANALOG will do opposite things
2495 		 * on diffrerent cards.
2496 		 * "don't disable analog outs" on Audigy 2 (ca0102/ca0108)
2497 		 * "disable analog outs" on Audigy (emu10k2)
2498 		 */
2499 		a_iocfg |= EMU_A_IOCFG_DISABLE_ANALOG;
2500 
2501 	if (sc->is_ca0108)
2502 		a_iocfg |= 0x20; /* XXX */
2503 
2504 	/* Mute analog center & subwoofer before mode change */
2505 	if (mode == MODE_DIGITAL)
2506 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 1);
2507 
2508 	emu_wr(sc, EMU_HCFG, hcfg, 4);
2509 
2510 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2511 		tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2512 		tmp = a_iocfg;
2513 		emu_wr(sc, EMU_A_IOCFG, tmp, 2);
2514 	}
2515 
2516 	/* Unmute if we have changed mode to analog. */
2517 
2518 	if (mode == MODE_ANALOG)
2519 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 0);
2520 
2521 	sc->mode = mode;
2522 }
2523 
2524 void
2525 emumix_set_spdif_mode(struct emu_sc_info *sc, int mode)
2526 {
2527 	uint32_t spcs;
2528 
2529 	switch (mode) {
2530 	case SPDIF_MODE_PCM:
2531 		break;
2532 	case SPDIF_MODE_AC3:
2533 		device_printf(sc->dev, "AC3 mode does not work and disabled\n");
2534 		return;
2535 	default:
2536 		return;
2537 	}
2538 
2539 	spcs = EMU_SPCS_CLKACCY_1000PPM | EMU_SPCS_SAMPLERATE_48 |
2540 	    EMU_SPCS_CHANNELNUM_LEFT | EMU_SPCS_SOURCENUM_UNSPEC |
2541 	    EMU_SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
2542 	    EMU_SPCS_EMPHASIS_NONE | EMU_SPCS_COPYRIGHT;
2543 
2544 	mode = SPDIF_MODE_PCM;
2545 
2546 	emu_wrptr(sc, 0, EMU_SPCS0, spcs);
2547 	emu_wrptr(sc, 0, EMU_SPCS1, spcs);
2548 	emu_wrptr(sc, 0, EMU_SPCS2, spcs);
2549 }
2550 
2551 #define	L2L_POINTS	10
2552 
2553 static int l2l_df[L2L_POINTS] = {
2554 	0x572C5CA,		/* 100..90 */
2555 	0x3211625,		/* 90..80 */
2556 	0x1CC1A76,		/* 80..70 */
2557 	0x108428F,		/* 70..60 */
2558 	0x097C70A,		/* 60..50 */
2559 	0x0572C5C,		/* 50..40 */
2560 	0x0321162,		/* 40..30 */
2561 	0x01CC1A7,		/* 30..20 */
2562 	0x0108428,		/* 20..10 */
2563 	0x016493D		/* 10..0 */
2564 };
2565 
2566 static int l2l_f[L2L_POINTS] = {
2567 	0x4984461A,		/* 90 */
2568 	0x2A3968A7,		/* 80 */
2569 	0x18406003,		/* 70 */
2570 	0x0DEDC66D,		/* 60 */
2571 	0x07FFFFFF,		/* 50 */
2572 	0x04984461,		/* 40 */
2573 	0x02A3968A,		/* 30 */
2574 	0x01840600,		/* 20 */
2575 	0x00DEDC66,		/* 10 */
2576 	0x00000000		/* 0 */
2577 };
2578 
2579 
2580 static int
2581 log2lin(int log_t)
2582 {
2583 	int lin_t;
2584 	int idx, lin;
2585 
2586 	if (log_t <= 0) {
2587 		lin_t = 0x00000000;
2588 		return (lin_t);
2589 	}
2590 
2591 	if (log_t >= 100) {
2592 		lin_t = 0x7fffffff;
2593 		return (lin_t);
2594 	}
2595 
2596 	idx = (L2L_POINTS - 1) - log_t / (L2L_POINTS);
2597 	lin = log_t % (L2L_POINTS);
2598 	lin_t = l2l_df[idx] * lin + l2l_f[idx];
2599 	return (lin_t);
2600 }
2601 
2602 
2603 void
2604 emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol)
2605 {
2606 
2607 	vol = log2lin(vol);
2608 	emumix_set_gpr(sc, gpr, vol);
2609 }
2610 
2611 void
2612 emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val)
2613 {
2614 	if (sc->dbg_level > 1)
2615 		if (gpr == 0) {
2616 			device_printf(sc->dev, "Zero gpr write access\n");
2617 #ifdef KDB
2618 			kdb_backtrace();
2619 #endif
2620 			return;
2621 			}
2622 
2623 	emu_wrptr(sc, 0, GPR(gpr), val);
2624 }
2625 
2626 void
2627 emumix_set_volume(struct emu_sc_info *sc, int mixer_idx, int volume)
2628 {
2629 
2630 	RANGE(volume, 0, 100);
2631 	if (mixer_idx < NUM_MIXERS) {
2632 		sc->mixer_volcache[mixer_idx] = volume;
2633 		emumix_set_fxvol(sc, sc->mixer_gpr[mixer_idx], volume);
2634 	}
2635 }
2636 
2637 int
2638 emumix_get_volume(struct emu_sc_info *sc, int mixer_idx)
2639 {
2640 	if ((mixer_idx < NUM_MIXERS) && (mixer_idx >= 0))
2641 		return (sc->mixer_volcache[mixer_idx]);
2642 	return (-1);
2643 }
2644 
2645 /* Init CardBus part */
2646 static int
2647 emu_cardbus_init(struct emu_sc_info *sc)
2648 {
2649 
2650 	/*
2651 	 * XXX May not need this if we have EMU_IPR3 handler.
2652 	 * Is it a real init calls, or EMU_IPR3 interrupt acknowledgments?
2653 	 * Looks much like "(data << 16) | register".
2654 	 */
2655 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0000);
2656 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0001);
2657 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x005f);
2658 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x007f);
2659 
2660 	emu_wr_cbptr(sc, (0x0090 << 16) | 0x007f);
2661 
2662 	return (0);
2663 }
2664 
2665 /* Probe and attach the card */
2666 static int
2667 emu_init(struct emu_sc_info *sc)
2668 {
2669 	uint32_t ch, tmp;
2670 	uint32_t spdif_sr;
2671 	uint32_t ac97slot;
2672 	int def_mode;
2673 	int i;
2674 
2675 	/* disable audio and lock cache */
2676 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2677 
2678 	/* reset recording buffers */
2679 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2680 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2681 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2682 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2683 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2684 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2685 
2686 	/* disable channel interrupt */
2687 	emu_wr(sc, EMU_INTE, EMU_INTE_INTERTIMERENB | EMU_INTE_SAMPLERATER | EMU_INTE_PCIERRENABLE, 4);
2688 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2689 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2690 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2691 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2692 
2693 	/* disable P16V and S/PDIF interrupts */
2694 	if ((sc->is_ca0102) || (sc->is_ca0108))
2695 		emu_wr(sc, EMU_INTE2, 0, 4);
2696 
2697 	if (sc->is_ca0102)
2698 		emu_wr(sc, EMU_INTE3, 0, 4);
2699 
2700 	/* init phys inputs and outputs */
2701 	ac97slot = 0;
2702 	if (sc->has_51)
2703 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE;
2704 	if (sc->has_71)
2705 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE | EMU_AC97SLOT_REAR_LEFT | EMU_AC97SLOT_REAR_RIGHT;
2706 	if (sc->is_emu10k2)
2707 		ac97slot |= 0x40;
2708 	emu_wrptr(sc, 0, EMU_AC97SLOT, ac97slot);
2709 
2710 	if (sc->is_emu10k2)	/* XXX for later cards? */
2711 		emu_wrptr(sc, 0, EMU_SPBYPASS, 0xf00);	/* What will happen if
2712 							 * we write 1 here? */
2713 
2714 	if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(sc->dev),
2715 	     /* alignment */ 2, /* boundary */ 0,
2716 	     /* lowaddr */ (1U << 31) - 1,	/* can only access 0-2gb */
2717 	     /* highaddr */ BUS_SPACE_MAXADDR,
2718 	     /* filter */ NULL, /* filterarg */ NULL,
2719 	     /* maxsize */ EMU_MAX_BUFSZ, /* nsegments */ 1, /* maxsegz */ 0x3ffff,
2720 	     /* flags */ 0, /* lockfunc */ busdma_lock_mutex,
2721 	     /* lockarg */ &Giant, &(sc->mem.dmat)) != 0) {
2722 		device_printf(sc->dev, "unable to create dma tag\n");
2723 		bus_dma_tag_destroy(sc->mem.dmat);
2724 		return (ENOMEM);
2725 	}
2726 
2727 	sc->mem.card = sc;
2728 	SLIST_INIT(&sc->mem.blocks);
2729 	sc->mem.ptb_pages = emu_malloc(&sc->mem, EMU_MAXPAGES * sizeof(uint32_t), &sc->mem.ptb_pages_addr, &sc->mem.ptb_map);
2730 	if (sc->mem.ptb_pages == NULL)
2731 		return (ENOMEM);
2732 
2733 	sc->mem.silent_page = emu_malloc(&sc->mem, EMUPAGESIZE, &sc->mem.silent_page_addr, &sc->mem.silent_map);
2734 	if (sc->mem.silent_page == NULL) {
2735 		emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2736 		return (ENOMEM);
2737 	}
2738 	/* Clear page with silence & setup all pointers to this page */
2739 	bzero(sc->mem.silent_page, EMUPAGESIZE);
2740 	tmp = (uint32_t) (sc->mem.silent_page_addr) << 1;
2741 	for (i = 0; i < EMU_MAXPAGES; i++)
2742 		sc->mem.ptb_pages[i] = tmp | i;
2743 
2744 	for (ch = 0; ch < NUM_G; ch++) {
2745 		emu_wrptr(sc, ch, EMU_CHAN_MAPA, tmp | EMU_CHAN_MAP_PTI_MASK);
2746 		emu_wrptr(sc, ch, EMU_CHAN_MAPB, tmp | EMU_CHAN_MAP_PTI_MASK);
2747 	}
2748 	emu_wrptr(sc, 0, EMU_PTB, (sc->mem.ptb_pages_addr));
2749 	emu_wrptr(sc, 0, EMU_TCB, 0);	/* taken from original driver */
2750 	emu_wrptr(sc, 0, EMU_TCBS, 0);	/* taken from original driver */
2751 
2752 	/* init envelope engine */
2753 	for (ch = 0; ch < NUM_G; ch++) {
2754 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2755 		emu_wrptr(sc, ch, EMU_CHAN_IP, 0);
2756 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
2757 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0xffff);
2758 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2759 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2760 		emu_wrptr(sc, ch, EMU_CHAN_CCR, 0);
2761 
2762 		emu_wrptr(sc, ch, EMU_CHAN_PSST, 0);
2763 		emu_wrptr(sc, ch, EMU_CHAN_DSL, 0x10);
2764 		emu_wrptr(sc, ch, EMU_CHAN_CCCA, 0);
2765 		emu_wrptr(sc, ch, EMU_CHAN_Z1, 0);
2766 		emu_wrptr(sc, ch, EMU_CHAN_Z2, 0);
2767 		emu_wrptr(sc, ch, EMU_CHAN_FXRT, 0xd01c0000);
2768 
2769 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDM, 0);
2770 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSM, 0);
2771 		emu_wrptr(sc, ch, EMU_CHAN_IFATN, 0xffff);
2772 		emu_wrptr(sc, ch, EMU_CHAN_PEFE, 0);
2773 		emu_wrptr(sc, ch, EMU_CHAN_FMMOD, 0);
2774 		emu_wrptr(sc, ch, EMU_CHAN_TREMFRQ, 24);	/* 1 Hz */
2775 		emu_wrptr(sc, ch, EMU_CHAN_FM2FRQ2, 24);	/* 1 Hz */
2776 		emu_wrptr(sc, ch, EMU_CHAN_TEMPENV, 0);
2777 
2778 		/*** these are last so OFF prevents writing ***/
2779 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL2, 0);
2780 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL1, 0);
2781 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDV, 0);
2782 		emu_wrptr(sc, ch, EMU_CHAN_ENVVOL, 0);
2783 		emu_wrptr(sc, ch, EMU_CHAN_ENVVAL, 0);
2784 
2785 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2786 			emu_wrptr(sc, ch, 0x4c, 0x0);
2787 			emu_wrptr(sc, ch, 0x4d, 0x0);
2788 			emu_wrptr(sc, ch, 0x4e, 0x0);
2789 			emu_wrptr(sc, ch, 0x4f, 0x0);
2790 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT1, 0x3f3f3f3f);
2791 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT2, 0x3f3f3f3f);
2792 			emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0x0);
2793 		}
2794 	}
2795 
2796 	emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2797 
2798 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2799 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, EMU_A_SPDIF_48000);
2800 
2801 	/*
2802 	 * CAxxxx cards needs additional setup:
2803 	 * 1. Set I2S capture sample rate to 96000
2804 	 * 2. Disable P16v / P17v proceesing
2805 	 * 3. Allow EMU10K DSP inputs
2806 	 */
2807 	if ((sc->is_ca0102) || (sc->is_ca0108)) {
2808 
2809 		spdif_sr = emu_rdptr(sc, 0, EMU_A_SPDIF_SAMPLERATE);
2810 		spdif_sr &= 0xfffff1ff;
2811 		spdif_sr |= EMU_A_I2S_CAPTURE_96000;
2812 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, spdif_sr);
2813 
2814 		/* Disable P16v processing */
2815 		emu_wr_p16vptr(sc, 0, EMU_A2_SRCSel, 0x14);
2816 
2817 		/* Setup P16v/P17v sound routing */
2818 		if (sc->is_ca0102)
2819 			emu_wr_p16vptr(sc, 0, EMU_A2_SRCMULTI_ENABLE, 0xFF00FF00);
2820 		else {
2821 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_I2S_ENABLE, 0xFF000000);
2822 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_SPDIF_ENABLE, 0xFF000000);
2823 
2824 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2825 			emu_wr(sc, EMU_A_IOCFG, tmp & ~0x8, 2);
2826 		}
2827 	}
2828 	emu_initefx(sc);
2829 
2830 	def_mode = MODE_ANALOG;
2831 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2832 		def_mode = MODE_DIGITAL;
2833 	if (((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) && (sc->broken_digital)) {
2834 		device_printf(sc->dev, "Audigy card initialized in analog mode.\n");
2835 		def_mode = MODE_ANALOG;
2836 	}
2837 	emumix_set_mode(sc, def_mode);
2838 
2839 	if (bootverbose) {
2840 		tmp = emu_rd(sc, EMU_HCFG, 4);
2841 		device_printf(sc->dev, "Card Configuration (   0x%08x )\n", tmp);
2842 		device_printf(sc->dev, "Card Configuration ( & 0xff000000 ) : %s%s%s%s%s%s%s%s\n",
2843 		    (tmp & 0x80000000 ? "[Legacy MPIC] " : ""),
2844 		    (tmp & 0x40000000 ? "[0x40] " : ""),
2845 		    (tmp & 0x20000000 ? "[0x20] " : ""),
2846 		    (tmp & 0x10000000 ? "[0x10] " : ""),
2847 		    (tmp & 0x08000000 ? "[0x08] " : ""),
2848 		    (tmp & 0x04000000 ? "[0x04] " : ""),
2849 		    (tmp & 0x02000000 ? "[0x02] " : ""),
2850 		    (tmp & 0x01000000 ? "[0x01]" : " "));
2851 		device_printf(sc->dev, "Card Configuration ( & 0x00ff0000 ) : %s%s%s%s%s%s%s%s\n",
2852 		    (tmp & 0x00800000 ? "[0x80] " : ""),
2853 		    (tmp & 0x00400000 ? "[0x40] " : ""),
2854 		    (tmp & 0x00200000 ? "[Legacy INT] " : ""),
2855 		    (tmp & 0x00100000 ? "[0x10] " : ""),
2856 		    (tmp & 0x00080000 ? "[0x08] " : ""),
2857 		    (tmp & 0x00040000 ? "[Codec4] " : ""),
2858 		    (tmp & 0x00020000 ? "[Codec2] " : ""),
2859 		    (tmp & 0x00010000 ? "[I2S Codec]" : " "));
2860 		device_printf(sc->dev, "Card Configuration ( & 0x0000ff00 ) : %s%s%s%s%s%s%s%s\n",
2861 		    (tmp & 0x00008000 ? "[0x80] " : ""),
2862 		    (tmp & 0x00004000 ? "[GPINPUT0] " : ""),
2863 		    (tmp & 0x00002000 ? "[GPINPUT1] " : ""),
2864 		    (tmp & 0x00001000 ? "[GPOUT0] " : ""),
2865 		    (tmp & 0x00000800 ? "[GPOUT1] " : ""),
2866 		    (tmp & 0x00000400 ? "[GPOUT2] " : ""),
2867 		    (tmp & 0x00000200 ? "[Joystick] " : ""),
2868 		    (tmp & 0x00000100 ? "[0x01]" : " "));
2869 		device_printf(sc->dev, "Card Configuration ( & 0x000000ff ) : %s%s%s%s%s%s%s%s\n",
2870 		    (tmp & 0x00000080 ? "[0x80] " : ""),
2871 		    (tmp & 0x00000040 ? "[0x40] " : ""),
2872 		    (tmp & 0x00000020 ? "[0x20] " : ""),
2873 		    (tmp & 0x00000010 ? "[AUTOMUTE] " : ""),
2874 		    (tmp & 0x00000008 ? "[LOCKSOUNDCACHE] " : ""),
2875 		    (tmp & 0x00000004 ? "[LOCKTANKCACHE] " : ""),
2876 		    (tmp & 0x00000002 ? "[MUTEBUTTONENABLE] " : ""),
2877 		    (tmp & 0x00000001 ? "[AUDIOENABLE]" : " "));
2878 
2879 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2880 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2881 			device_printf(sc->dev, "Audigy Card Configuration (    0x%04x )\n", tmp);
2882 			device_printf(sc->dev, "Audigy Card Configuration (  & 0xff00 )");
2883 			printf(" : %s%s%s%s%s%s%s%s\n",
2884 			    (tmp & 0x8000 ? "[Rear Speakers] " : ""),
2885 			    (tmp & 0x4000 ? "[Front Speakers] " : ""),
2886 			    (tmp & 0x2000 ? "[0x20] " : ""),
2887 			    (tmp & 0x1000 ? "[0x10] " : ""),
2888 			    (tmp & 0x0800 ? "[0x08] " : ""),
2889 			    (tmp & 0x0400 ? "[0x04] " : ""),
2890 			    (tmp & 0x0200 ? "[0x02] " : ""),
2891 			    (tmp & 0x0100 ? "[AudigyDrive Phones]" : " "));
2892 			device_printf(sc->dev, "Audigy Card Configuration (  & 0x00ff )");
2893 			printf(" : %s%s%s%s%s%s%s%s\n",
2894 			    (tmp & 0x0080 ? "[0x80] " : ""),
2895 			    (tmp & 0x0040 ? "[Mute AnalogOut] " : ""),
2896 			    (tmp & 0x0020 ? "[0x20] " : ""),
2897 			    (tmp & 0x0010 ? "[0x10] " : ""),
2898 			    (tmp & 0x0008 ? "[0x08] " : ""),
2899 			    (tmp & 0x0004 ? "[GPOUT0] " : ""),
2900 			    (tmp & 0x0002 ? "[GPOUT1] " : ""),
2901 			    (tmp & 0x0001 ? "[GPOUT2]" : " "));
2902 		}		/* is_emu10k2 or ca* */
2903 	}			/* bootverbose */
2904 	return (0);
2905 }
2906 
2907 static int
2908 emu_uninit(struct emu_sc_info *sc)
2909 {
2910 	uint32_t ch;
2911 	struct emu_memblk *blk;
2912 
2913 	emu_wr(sc, EMU_INTE, 0, 4);
2914 	for (ch = 0; ch < NUM_G; ch++)
2915 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2916 	for (ch = 0; ch < NUM_G; ch++) {
2917 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
2918 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0);
2919 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2920 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2921 	}
2922 
2923 	/* disable audio and lock cache */
2924 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2925 
2926 	emu_wrptr(sc, 0, EMU_PTB, 0);
2927 	/* reset recording buffers */
2928 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2929 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2930 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2931 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2932 	emu_wrptr(sc, 0, EMU_FXWC, 0);
2933 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2934 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2935 	emu_wrptr(sc, 0, EMU_TCB, 0);
2936 	emu_wrptr(sc, 0, EMU_TCBS, 0);
2937 
2938 	/* disable channel interrupt */
2939 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2940 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2941 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2942 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2943 
2944 	if (!SLIST_EMPTY(&sc->mem.blocks))
2945 		device_printf(sc->dev, "warning: memblock list not empty\n");
2946 
2947 	SLIST_FOREACH(blk, &sc->mem.blocks, link)
2948 		if (blk != NULL)
2949 		device_printf(sc->dev, "lost %d for %s\n", blk->pte_size, blk->owner);
2950 
2951 	emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2952 	emu_free(&sc->mem, sc->mem.silent_page, sc->mem.silent_map);
2953 
2954 	return (0);
2955 }
2956 
2957 static int
2958 emu_read_ivar(device_t bus, device_t dev, int ivar_index, uintptr_t * result)
2959 {
2960 	struct sndcard_func *func = device_get_ivars(dev);
2961 	struct emu_sc_info *sc = device_get_softc(bus);
2962 
2963 	if (func==NULL)
2964 		return (ENOMEM);
2965 	if (sc == NULL)
2966 		return (ENOMEM);
2967 
2968 	switch (ivar_index) {
2969 	case EMU_VAR_FUNC:
2970 		*result = func->func;
2971 		break;
2972 	case EMU_VAR_ROUTE:
2973 		if (func->varinfo == NULL)
2974 			return (ENOMEM);
2975 		*result = ((struct emu_pcminfo *)func->varinfo)->route;
2976 		break;
2977 	case EMU_VAR_ISEMU10K1:
2978 		*result = sc->is_emu10k1;
2979 		break;
2980 	case EMU_VAR_MCH_DISABLED:
2981 		*result = sc->mch_disabled;
2982 		break;
2983 	case EMU_VAR_MCH_REC:
2984 		*result = sc->mch_rec;
2985 		break;
2986 	default:
2987 		return (ENOENT);
2988 	}
2989 
2990 	return (0);
2991 }
2992 
2993 static int
2994 emu_write_ivar(device_t bus __unused, device_t dev __unused,
2995     int ivar_index, uintptr_t value __unused)
2996 {
2997 
2998 	switch (ivar_index) {
2999 		case 0:
3000 		return (EINVAL);
3001 
3002 	default:
3003 		return (ENOENT);
3004 	}
3005 }
3006 
3007 static int
3008 emu_pci_probe(device_t dev)
3009 {
3010 	struct sbuf *s;
3011 	unsigned int thiscard = 0;
3012 	uint16_t vendor;
3013 
3014 	vendor = pci_read_config(dev, PCIR_DEVVENDOR, /* bytes */ 2);
3015 	if (vendor != 0x1102)
3016 		return (ENXIO);	/* Not Creative */
3017 
3018 	thiscard = emu_getcard(dev);
3019 	if (thiscard == 0)
3020 		return (ENXIO);
3021 
3022 	s = sbuf_new(NULL, NULL, 4096, 0);
3023 	if (s == NULL)
3024 		return (ENOMEM);
3025 	sbuf_printf(s, "Creative %s [%s]", emu_cards[thiscard].desc, emu_cards[thiscard].SBcode);
3026 	sbuf_finish(s);
3027 
3028 	device_set_desc_copy(dev, sbuf_data(s));
3029 
3030 	sbuf_delete(s);
3031 
3032 	return (BUS_PROBE_DEFAULT);
3033 }
3034 
3035 
3036 static int
3037 emu_pci_attach(device_t dev)
3038 {
3039 	struct sndcard_func *func;
3040 	struct emu_sc_info *sc;
3041 	struct emu_pcminfo *pcminfo;
3042 #if 0
3043 	struct emu_midiinfo *midiinfo;
3044 #endif
3045 	int i;
3046 	int device_flags;
3047 	char status[255];
3048 	int error = ENXIO;
3049 	int unit;
3050 
3051 	sc = device_get_softc(dev);
3052 	unit = device_get_unit(dev);
3053 
3054 	/* Get configuration */
3055 
3056 	sc->ctx = device_get_sysctl_ctx(dev);
3057 	if (sc->ctx == NULL)
3058 		goto bad;
3059 	sc->root = device_get_sysctl_tree(dev);
3060 	if (sc->root == NULL)
3061 		goto bad;
3062 
3063 	if (resource_int_value("emu10kx", unit, "multichannel_disabled", &(sc->mch_disabled)))
3064 		RANGE(sc->mch_disabled, 0, 1);
3065 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3066 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3067             OID_AUTO, "multichannel_disabled", CTLFLAG_RD, &(sc->mch_disabled), 0, "Multichannel playback setting");
3068 
3069 	if (resource_int_value("emu10kx", unit, "multichannel_recording", &(sc->mch_rec)))
3070 		RANGE(sc->mch_rec, 0, 1);
3071 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3072 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3073             OID_AUTO, "multichannel_recording", CTLFLAG_RD,  &(sc->mch_rec), 0, "Multichannel recording setting");
3074 
3075 	if (resource_int_value("emu10kx", unit, "debug", &(sc->dbg_level)))
3076 		RANGE(sc->mch_rec, 0, 2);
3077 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3078 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3079             OID_AUTO, "debug", CTLFLAG_RW, &(sc->dbg_level), 0, "Debug level");
3080 
3081 	/* Fill in the softc. */
3082 	mtx_init(&sc->lock, device_get_nameunit(dev), "bridge conf", MTX_DEF);
3083 	mtx_init(&sc->rw, device_get_nameunit(dev), "exclusive io", MTX_DEF);
3084 	sc->dev = dev;
3085 	sc->type = pci_get_devid(dev);
3086 	sc->rev = pci_get_revid(dev);
3087 	sc->enable_ir = 0;
3088 	sc->has_ac97 = 0;
3089 	sc->has_51 = 0;
3090 	sc->has_71 = 0;
3091 	sc->broken_digital = 0;
3092 	sc->is_emu10k1 = 0;
3093 	sc->is_emu10k2 = 0;
3094 	sc->is_ca0102 = 0;
3095 	sc->is_ca0108 = 0;
3096 	sc->is_cardbus = 0;
3097 
3098 	device_flags = emu_cards[emu_getcard(dev)].flags;
3099 	if (device_flags & HAS_51)
3100 		sc->has_51 = 1;
3101 	if (device_flags & HAS_71) {
3102 		sc->has_51 = 1;
3103 		sc->has_71 = 1;
3104 	}
3105 	if (device_flags & IS_EMU10K1)
3106 		sc->is_emu10k1 = 1;
3107 	if (device_flags & IS_EMU10K2)
3108 		sc->is_emu10k2 = 1;
3109 	if (device_flags & IS_CA0102)
3110 		sc->is_ca0102 = 1;
3111 	if (device_flags & IS_CA0108)
3112 		sc->is_ca0108 = 1;
3113 	if ((sc->is_emu10k2) && (sc->rev == 4)) {
3114 		sc->is_emu10k2 = 0;
3115 		sc->is_ca0102 = 1;	/* for unknown Audigy 2 cards */
3116 	}
3117 	if ((sc->is_ca0102 == 1) || (sc->is_ca0108 == 1))
3118 		if (device_flags & IS_CARDBUS)
3119 			sc->is_cardbus = 1;
3120 
3121 	if ((sc->is_emu10k1 + sc->is_emu10k2 + sc->is_ca0102 + sc->is_ca0108) != 1) {
3122 		device_printf(sc->dev, "Unable to detect HW chipset\n");
3123 		goto bad;
3124 	}
3125 	if (device_flags & BROKEN_DIGITAL)
3126 		sc->broken_digital = 1;
3127 	if (device_flags & HAS_AC97)
3128 		sc->has_ac97 = 1;
3129 
3130 	sc->opcode_shift = 0;
3131 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
3132 		sc->opcode_shift = 24;
3133 		sc->high_operand_shift = 12;
3134 
3135 	/*	DSP map				*/
3136 	/*	sc->fx_base = 0x0		*/
3137 		sc->input_base = 0x40;
3138 	/*	sc->p16vinput_base = 0x50;	*/
3139 		sc->output_base = 0x60;
3140 		sc->efxc_base = 0x80;
3141 	/*	sc->output32h_base = 0xa0;	*/
3142 	/*	sc->output32l_base = 0xb0;	*/
3143 		sc->dsp_zero = 0xc0;
3144 	/*	0xe0...0x100 are unknown	*/
3145 	/*	sc->tram_base = 0x200		*/
3146 	/*	sc->tram_addr_base = 0x300	*/
3147 		sc->gpr_base = EMU_A_FXGPREGBASE;
3148 		sc->num_gprs = 0x200;
3149 		sc->code_base = EMU_A_MICROCODEBASE;
3150 		sc->code_size = 0x800 / 2;	/* 0x600-0xdff,  2048 words,
3151 						 * 1024 instructions */
3152 
3153 		sc->mchannel_fx = 8;
3154 		sc->num_fxbuses = 16;
3155 		sc->num_inputs = 8;
3156 		sc->num_outputs = 16;
3157 		sc->address_mask = EMU_A_PTR_ADDR_MASK;
3158 	}
3159 	if (sc->is_emu10k1) {
3160 		sc->has_51 = 0;	/* We don't support 5.1 sound on SB Live! 5.1 */
3161 		sc->opcode_shift = 20;
3162 		sc->high_operand_shift = 10;
3163 		sc->code_base = EMU_MICROCODEBASE;
3164 		sc->code_size = 0x400 / 2;	/* 0x400-0x7ff,  1024 words,
3165 						 * 512 instructions */
3166 		sc->gpr_base = EMU_FXGPREGBASE;
3167 		sc->num_gprs = 0x100;
3168 		sc->input_base = 0x10;
3169 		sc->output_base = 0x20;
3170 		/*
3171 		 * XXX 5.1 Analog outputs are inside efxc address space!
3172 		 * They use output+0x11/+0x12 (=efxc+1/+2).
3173 		 * Don't use this efx registers for recording on SB Live! 5.1!
3174 		 */
3175 		sc->efxc_base = 0x30;
3176 		sc->dsp_zero = 0x40;
3177 		sc->mchannel_fx = 0;
3178 		sc->num_fxbuses = 8;
3179 		sc->num_inputs = 8;
3180 		sc->num_outputs = 16;
3181 		sc->address_mask = EMU_PTR_ADDR_MASK;
3182 	}
3183 	if (sc->opcode_shift == 0)
3184 		goto bad;
3185 
3186 	pci_enable_busmaster(dev);
3187 
3188 	i = PCIR_BAR(0);
3189 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &i, RF_ACTIVE);
3190 	if (sc->reg == NULL) {
3191 		device_printf(dev, "unable to map register space\n");
3192 		goto bad;
3193 	}
3194 	sc->st = rman_get_bustag(sc->reg);
3195 	sc->sh = rman_get_bushandle(sc->reg);
3196 
3197 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
3198 		sc->timer[i] = 0;	/* disable it */
3199 
3200 	i = 0;
3201 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, RF_ACTIVE | RF_SHAREABLE);
3202 	if ((sc->irq == NULL) || bus_setup_intr(dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV,
3203 	    NULL,
3204 	    emu_intr, sc, &sc->ih)) {
3205 		device_printf(dev, "unable to map interrupt\n");
3206 		goto bad;
3207 	}
3208 	if (emu_rm_init(sc) != 0) {
3209 		device_printf(dev, "unable to create resource manager\n");
3210 		goto bad;
3211 	}
3212 	if (sc->is_cardbus)
3213 		if (emu_cardbus_init(sc) != 0) {
3214 			device_printf(dev, "unable to initialize CardBus interface\n");
3215 			goto bad;
3216 		}
3217 	if (emu_init(sc) != 0) {
3218 		device_printf(dev, "unable to initialize the card\n");
3219 		goto bad;
3220 	}
3221 	if (emu10kx_dev_init(sc) != 0) {
3222 		device_printf(dev, "unable to create control device\n");
3223 		goto bad;
3224 	}
3225 	snprintf(status, 255, "rev %d at io 0x%jx irq %jd", sc->rev, rman_get_start(sc->reg), rman_get_start(sc->irq));
3226 
3227 	/* Voices */
3228 	for (i = 0; i < NUM_G; i++) {
3229 		sc->voice[i].vnum = i;
3230 		sc->voice[i].slave = NULL;
3231 		sc->voice[i].busy = 0;
3232 		sc->voice[i].ismaster = 0;
3233 		sc->voice[i].running = 0;
3234 		sc->voice[i].b16 = 0;
3235 		sc->voice[i].stereo = 0;
3236 		sc->voice[i].speed = 0;
3237 		sc->voice[i].start = 0;
3238 		sc->voice[i].end = 0;
3239 	}
3240 
3241 	/* PCM Audio */
3242 	for (i = 0; i < RT_COUNT; i++)
3243 		sc->pcm[i] = NULL;
3244 
3245 	/* FRONT */
3246 	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3247 	if (func == NULL) {
3248 		error = ENOMEM;
3249 		goto bad;
3250 	}
3251 	pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3252 	if (pcminfo == NULL) {
3253 		error = ENOMEM;
3254 		goto bad;
3255 	}
3256 	pcminfo->card = sc;
3257 	pcminfo->route = RT_FRONT;
3258 
3259 	func->func = SCF_PCM;
3260 	func->varinfo = pcminfo;
3261 	sc->pcm[RT_FRONT] = device_add_child(dev, "pcm", -1);
3262 	device_set_ivars(sc->pcm[RT_FRONT], func);
3263 
3264 	if (!(sc->mch_disabled)) {
3265 		/* REAR */
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_REAR;
3278 
3279 		func->func = SCF_PCM;
3280 		func->varinfo = pcminfo;
3281 		sc->pcm[RT_REAR] = device_add_child(dev, "pcm", -1);
3282 		device_set_ivars(sc->pcm[RT_REAR], func);
3283 		if (sc->has_51) {
3284 			/* CENTER */
3285 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3286 			if (func == NULL) {
3287 				error = ENOMEM;
3288 				goto bad;
3289 			}
3290 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3291 			if (pcminfo == NULL) {
3292 				error = ENOMEM;
3293 				goto bad;
3294 			}
3295 			pcminfo->card = sc;
3296 			pcminfo->route = RT_CENTER;
3297 
3298 			func->func = SCF_PCM;
3299 			func->varinfo = pcminfo;
3300 			sc->pcm[RT_CENTER] = device_add_child(dev, "pcm", -1);
3301 			device_set_ivars(sc->pcm[RT_CENTER], func);
3302 			/* SUB */
3303 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3304 			if (func == NULL) {
3305 				error = ENOMEM;
3306 				goto bad;
3307 			}
3308 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3309 			if (pcminfo == NULL) {
3310 				error = ENOMEM;
3311 				goto bad;
3312 			}
3313 			pcminfo->card = sc;
3314 			pcminfo->route = RT_SUB;
3315 
3316 			func->func = SCF_PCM;
3317 			func->varinfo = pcminfo;
3318 			sc->pcm[RT_SUB] = device_add_child(dev, "pcm", -1);
3319 			device_set_ivars(sc->pcm[RT_SUB], func);
3320 		}
3321 		if (sc->has_71) {
3322 			/* SIDE */
3323 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3324 			if (func == NULL) {
3325 				error = ENOMEM;
3326 				goto bad;
3327 			}
3328 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3329 			if (pcminfo == NULL) {
3330 				error = ENOMEM;
3331 				goto bad;
3332 			}
3333 			pcminfo->card = sc;
3334 			pcminfo->route = RT_SIDE;
3335 
3336 			func->func = SCF_PCM;
3337 			func->varinfo = pcminfo;
3338 			sc->pcm[RT_SIDE] = device_add_child(dev, "pcm", -1);
3339 			device_set_ivars(sc->pcm[RT_SIDE], func);
3340 		}
3341 	} /* mch_disabled */
3342 
3343 	if (sc->mch_rec) {
3344 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3345 		if (func == NULL) {
3346 			error = ENOMEM;
3347 			goto bad;
3348 		}
3349 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3350 		if (pcminfo == NULL) {
3351 			error = ENOMEM;
3352 			goto bad;
3353 		}
3354 		pcminfo->card = sc;
3355 		pcminfo->route = RT_MCHRECORD;
3356 
3357 		func->func = SCF_PCM;
3358 		func->varinfo = pcminfo;
3359 		sc->pcm[RT_MCHRECORD] = device_add_child(dev, "pcm", -1);
3360 		device_set_ivars(sc->pcm[RT_MCHRECORD], func);
3361 	} /*mch_rec */
3362 
3363 	for (i = 0; i < 2; i++)
3364 		sc->midi[i] = NULL;
3365 
3366 	/* MIDI has some memory mangament and (possible) locking problems */
3367 #if 0
3368 	/* Midi Interface 1: Live!, Audigy, Audigy 2 */
3369 	if ((sc->is_emu10k1) || (sc->is_emu10k2) || (sc->is_ca0102)) {
3370 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3371 		if (func == NULL) {
3372 			error = ENOMEM;
3373 			goto bad;
3374 		}
3375 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3376 		if (midiinfo == NULL) {
3377 			error = ENOMEM;
3378 			goto bad;
3379 		}
3380 		midiinfo->card = sc;
3381 		if (sc->is_emu10k2 || (sc->is_ca0102)) {
3382 			midiinfo->port = EMU_A_MUDATA1;
3383 			midiinfo->portnr = 1;
3384 		}
3385 		if (sc->is_emu10k1) {
3386 			midiinfo->port = MUDATA;
3387 			midiinfo->portnr = 1;
3388 		}
3389 		func->func = SCF_MIDI;
3390 		func->varinfo = midiinfo;
3391 		sc->midi[0] = device_add_child(dev, "midi", -1);
3392 		device_set_ivars(sc->midi[0], func);
3393 	}
3394 	/* Midi Interface 2: Audigy, Audigy 2 (on AudigyDrive) */
3395 	if (sc->is_emu10k2 || (sc->is_ca0102)) {
3396 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3397 		if (func == NULL) {
3398 			error = ENOMEM;
3399 			goto bad;
3400 		}
3401 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3402 		if (midiinfo == NULL) {
3403 			error = ENOMEM;
3404 			goto bad;
3405 		}
3406 		midiinfo->card = sc;
3407 
3408 		midiinfo->port = EMU_A_MUDATA2;
3409 		midiinfo->portnr = 2;
3410 
3411 		func->func = SCF_MIDI;
3412 		func->varinfo = midiinfo;
3413 		sc->midi[1] = device_add_child(dev, "midi", -1);
3414 		device_set_ivars(sc->midi[1], func);
3415 	}
3416 #endif
3417 	return (bus_generic_attach(dev));
3418 
3419 bad:
3420 	/* XXX can we just call emu_pci_detach here? */
3421 	if (sc->cdev)
3422 		emu10kx_dev_uninit(sc);
3423 	if (sc->rm != NULL)
3424 		emu_rm_uninit(sc);
3425 	if (sc->reg)
3426 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3427 	if (sc->ih)
3428 		bus_teardown_intr(dev, sc->irq, sc->ih);
3429 	if (sc->irq)
3430 		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3431 	mtx_destroy(&sc->rw);
3432 	mtx_destroy(&sc->lock);
3433 	return (error);
3434 }
3435 
3436 static int
3437 emu_pci_detach(device_t dev)
3438 {
3439 	struct emu_sc_info *sc;
3440 	struct sndcard_func *func;
3441 	int devcount, i;
3442 	device_t *childlist;
3443 	int r = 0;
3444 
3445 	sc = device_get_softc(dev);
3446 
3447 	for (i = 0; i < RT_COUNT; i++) {
3448 		if (sc->pcm[i] != NULL) {
3449 			func = device_get_ivars(sc->pcm[i]);
3450 			if (func != NULL && func->func == SCF_PCM) {
3451 				device_set_ivars(sc->pcm[i], NULL);
3452 				free(func->varinfo, M_DEVBUF);
3453 				free(func, M_DEVBUF);
3454 			}
3455 			r = device_delete_child(dev, sc->pcm[i]);
3456 			if (r)	return (r);
3457 		}
3458 	}
3459 
3460 	if (sc->midi[0] != NULL) {
3461 		func = device_get_ivars(sc->midi[0]);
3462 		if (func != NULL && func->func == SCF_MIDI) {
3463 			device_set_ivars(sc->midi[0], NULL);
3464 			free(func->varinfo, M_DEVBUF);
3465 			free(func, M_DEVBUF);
3466 		}
3467 		r = device_delete_child(dev, sc->midi[0]);
3468 		if (r)	return (r);
3469 	}
3470 
3471 	if (sc->midi[1] != NULL) {
3472 		func = device_get_ivars(sc->midi[1]);
3473 		if (func != NULL && func->func == SCF_MIDI) {
3474 			device_set_ivars(sc->midi[1], NULL);
3475 			free(func->varinfo, M_DEVBUF);
3476 			free(func, M_DEVBUF);
3477 		}
3478 		r = device_delete_child(dev, sc->midi[1]);
3479 		if (r)	return (r);
3480 	}
3481 
3482 	if (device_get_children(dev, &childlist, &devcount) == 0)
3483 		for (i = 0; i < devcount - 1; i++) {
3484 			device_printf(dev, "removing stale child %d (unit %d)\n", i, device_get_unit(childlist[i]));
3485 			func = device_get_ivars(childlist[i]);
3486 			if (func != NULL && (func->func == SCF_MIDI || func->func == SCF_PCM)) {
3487 				device_set_ivars(childlist[i], NULL);
3488 				free(func->varinfo, M_DEVBUF);
3489 				free(func, M_DEVBUF);
3490 			}
3491 			device_delete_child(dev, childlist[i]);
3492 		}
3493 	if (childlist != NULL)
3494 		free(childlist, M_TEMP);
3495 
3496 	r = emu10kx_dev_uninit(sc);
3497 	if (r)
3498 		return (r);
3499 
3500 	/* shutdown chip */
3501 	emu_uninit(sc);
3502 	emu_rm_uninit(sc);
3503 
3504 	if (sc->mem.dmat)
3505 		bus_dma_tag_destroy(sc->mem.dmat);
3506 
3507 	if (sc->reg)
3508 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3509 	bus_teardown_intr(dev, sc->irq, sc->ih);
3510 	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3511 	mtx_destroy(&sc->rw);
3512 	mtx_destroy(&sc->lock);
3513 
3514 	return (bus_generic_detach(dev));
3515 }
3516 /* add suspend, resume */
3517 static device_method_t emu_methods[] = {
3518 	/* Device interface */
3519 	DEVMETHOD(device_probe, emu_pci_probe),
3520 	DEVMETHOD(device_attach, emu_pci_attach),
3521 	DEVMETHOD(device_detach, emu_pci_detach),
3522 	/* Bus methods */
3523 	DEVMETHOD(bus_read_ivar, emu_read_ivar),
3524 	DEVMETHOD(bus_write_ivar, emu_write_ivar),
3525 
3526 	DEVMETHOD_END
3527 };
3528 
3529 
3530 static driver_t emu_driver = {
3531 	"emu10kx",
3532 	emu_methods,
3533 	sizeof(struct emu_sc_info),
3534 	NULL,
3535 	0,
3536 	NULL
3537 };
3538 
3539 static int
3540 emu_modevent(module_t mod __unused, int cmd, void *data __unused)
3541 {
3542 	int err = 0;
3543 
3544 	switch (cmd) {
3545 	case MOD_LOAD:
3546 		break;		/* Success */
3547 
3548 	case MOD_UNLOAD:
3549 	case MOD_SHUTDOWN:
3550 
3551 		/* XXX  Should we check state of pcm & midi subdevices here? */
3552 
3553 		break;		/* Success */
3554 
3555 	default:
3556 		err = EINVAL;
3557 		break;
3558 	}
3559 
3560 	return (err);
3561 
3562 }
3563 
3564 static devclass_t emu_devclass;
3565 
3566 DRIVER_MODULE(snd_emu10kx, pci, emu_driver, emu_devclass, emu_modevent, NULL);
3567 MODULE_VERSION(snd_emu10kx, SND_EMU10KX_PREFVER);
3568