xref: /freebsd/sys/dev/sound/pci/emu10kx.c (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5  * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
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 	/* Resources */
330 	struct resource	*reg;
331 	struct resource	*irq;
332 	void 		*ih;
333 
334 	/* IRQ handlers */
335 	struct emu_intr_handler ihandler[EMU_MAX_IRQ_CONSUMERS];
336 
337 	/* Card HW configuration */
338 	unsigned int	mode;	/* analog / digital */
339 	unsigned int	mchannel_fx;
340 	unsigned int	dsp_zero;
341 	unsigned int	code_base;
342 	unsigned int	code_size;
343 	unsigned int	gpr_base;
344 	unsigned int	num_gprs;
345 	unsigned int	input_base;
346 	unsigned int	output_base;
347 	unsigned int	efxc_base;
348 	unsigned int	opcode_shift;
349 	unsigned int	high_operand_shift;
350 	unsigned int	address_mask;
351 	uint32_t 	is_emu10k1:1, is_emu10k2, is_ca0102, is_ca0108:1,
352 			has_ac97:1, has_51:1, has_71:1,
353 			enable_ir:1,
354 			broken_digital:1, is_cardbus:1;
355 
356 	signed int	mch_disabled, mch_rec, dbg_level;
357 	signed int 	num_inputs;
358 	unsigned int 	num_outputs;
359 	unsigned int 	num_fxbuses;
360 	unsigned int 	routing_code_start;
361 	unsigned int	routing_code_end;
362 
363 	/* HW resources */
364 	struct emu_voice voice[NUM_G];			/* Hardware voices */
365 	uint32_t	irq_mask[EMU_MAX_IRQ_CONSUMERS]; /* IRQ manager data */
366 	int 		timer[EMU_MAX_IRQ_CONSUMERS];	/* timer */
367 	int		timerinterval;
368 	struct		emu_rm *rm;
369 	struct		emu_mem mem;			/* memory */
370 
371 	/* Mixer */
372 	int		mixer_gpr[NUM_MIXERS];
373 	int		mixer_volcache[NUM_MIXERS];
374 	int		cache_gpr[NUM_CACHES];
375 	int		dummy_gpr;
376 	int		mute_gpr[NUM_MUTE];
377 	struct sysctl_ctx_list	*ctx;
378 	struct sysctl_oid	*root;
379 };
380 
381 static void	emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error);
382 static void*	emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, bus_dmamap_t *map);
383 static void	emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map);
384 static void*	emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char * owner);
385 static int	emu_memfree(struct emu_mem *mem, void *membuf);
386 static int	emu_memstart(struct emu_mem *mem, void *membuf);
387 
388 /* /dev */
389 static int	emu10kx_dev_init(struct emu_sc_info *sc);
390 static int	emu10kx_dev_uninit(struct emu_sc_info *sc);
391 static int	emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s);
392 
393 static void	emumix_set_mode(struct emu_sc_info *sc, int mode);
394 static void	emumix_set_spdif_mode(struct emu_sc_info *sc, int mode);
395 static void	emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol);
396 static void	emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val);
397 static int	sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS);
398 
399 static int	emu_rm_init(struct emu_sc_info *sc);
400 static int	emu_rm_uninit(struct emu_sc_info *sc);
401 static int	emu_rm_gpr_alloc(struct emu_rm *rm, int count);
402 
403 static unsigned int emu_getcard(device_t dev);
404 static uint32_t	emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size);
405 static void	emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size);
406 static void	emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data);
407 
408 static void	emu_vstop(struct emu_sc_info *sc, char channel, int enable);
409 
410 static void	emu_intr(void *p);
411 static void	emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data);
412 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);
413 static void	emu_initefx(struct emu_sc_info *sc);
414 
415 static int	emu_cardbus_init(struct emu_sc_info *sc);
416 static int	emu_init(struct emu_sc_info *sc);
417 static int	emu_uninit(struct emu_sc_info *sc);
418 
419 static int	emu_read_ivar(device_t bus __unused, device_t dev, int ivar_index, uintptr_t * result);
420 static int	emu_write_ivar(device_t bus __unused, device_t dev __unused,
421     int ivar_index, uintptr_t value __unused);
422 
423 static int	emu_pci_probe(device_t dev);
424 static int	emu_pci_attach(device_t dev);
425 static int	emu_pci_detach(device_t dev);
426 static int	emu_modevent(module_t mod __unused, int cmd, void *data __unused);
427 
428 #ifdef	SND_EMU10KX_DEBUG
429 
430 #define EMU_MTX_DEBUG() do { 						\
431 		if (mtx_owned(&sc->rw)) {				\
432 		printf("RW owned in %s line %d for %s\n", __func__,	\
433 			__LINE__ , device_get_nameunit(sc->dev));	\
434 		printf("rw lock owned: %d\n", mtx_owned(&sc->rw));	\
435 		printf("rw lock: value %x thread %x\n",			\
436 			((&sc->rw)->mtx_lock & ~MTX_FLAGMASK), 		\
437 			(uintptr_t)curthread);				\
438 		printf("rw lock: recursed %d\n", mtx_recursed(&sc->rw));\
439 		db_show_mtx(&sc->rw);					\
440 		}							\
441 	} while (0)
442 #else
443 #define EMU_MTX_DEBUG() do { 						\
444 	} while (0)
445 #endif
446 
447 #define EMU_RWLOCK() do {		\
448 	EMU_MTX_DEBUG();		\
449 	mtx_lock(&(sc->rw));		\
450 	} while (0)
451 
452 #define EMU_RWUNLOCK() do {		\
453 	mtx_unlock(&(sc->rw));		\
454 	EMU_MTX_DEBUG();		\
455 	} while (0)
456 
457 /* Supported cards */
458 struct emu_hwinfo {
459 	uint16_t	vendor;
460 	uint16_t	device;
461 	uint16_t	subvendor;
462 	uint16_t	subdevice;
463 	char		SBcode[8];
464 	char		desc[32];
465 	int		flags;
466 };
467 
468 static struct emu_hwinfo emu_cards[] = {
469 	{0xffff, 0xffff, 0xffff, 0xffff, "BADCRD", "Not a compatible card", 0},
470 	/* 0x0020..0x002f 4.0 EMU10K1 cards */
471 	{0x1102, 0x0002, 0x1102, 0x0020, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
472 	{0x1102, 0x0002, 0x1102, 0x0021, "CT4620", "SBLive!", HAS_AC97 | IS_EMU10K1},
473 	{0x1102, 0x0002, 0x1102, 0x002f, "CT????", "SBLive! mainboard implementation", HAS_AC97 | IS_EMU10K1},
474 
475 	/* (range unknown) 5.1 EMU10K1 cards */
476 	{0x1102, 0x0002, 0x1102, 0x100a, "CT????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
477 
478 	/* 0x80??..0x805? 4.0 EMU10K1 cards */
479 	{0x1102, 0x0002, 0x1102, 0x8022, "CT4780", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
480 	{0x1102, 0x0002, 0x1102, 0x8023, "CT4790", "SB PCI512", HAS_AC97 | IS_EMU10K1},
481 	{0x1102, 0x0002, 0x1102, 0x8024, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
482 	{0x1102, 0x0002, 0x1102, 0x8025, "CT????", "SBLive! Mainboard Implementation", HAS_AC97 | IS_EMU10K1},
483 	{0x1102, 0x0002, 0x1102, 0x8026, "CT4830", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
484 	{0x1102, 0x0002, 0x1102, 0x8027, "CT4832", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
485 	{0x1102, 0x0002, 0x1102, 0x8028, "CT4760", "SBLive! OEM version", HAS_AC97 | IS_EMU10K1},
486 	{0x1102, 0x0002, 0x1102, 0x8031, "CT4831", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
487 	{0x1102, 0x0002, 0x1102, 0x8040, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
488 	{0x1102, 0x0002, 0x1102, 0x8051, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
489 
490 	/* 0x8061..0x???? 5.1 EMU10K1  cards */
491 	{0x1102, 0x0002, 0x1102, 0x8061, "SB????", "SBLive! Player 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
492 	{0x1102, 0x0002, 0x1102, 0x8062, "CT4830", "SBLive! 1024", HAS_AC97 | HAS_51 | IS_EMU10K1},
493 	{0x1102, 0x0002, 0x1102, 0x8064, "SB????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
494 	{0x1102, 0x0002, 0x1102, 0x8065, "SB0220", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
495 	{0x1102, 0x0002, 0x1102, 0x8066, "CT4780", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
496 	{0x1102, 0x0002, 0x1102, 0x8067, "SB????", "SBLive!", HAS_AC97 | HAS_51 | IS_EMU10K1},
497 
498 	/* Generic SB Live! */
499 	{0x1102, 0x0002, 0x1102, 0x0000, "SB????", "SBLive! (Unknown model)", HAS_AC97 | IS_EMU10K1},
500 
501 	/* 0x0041..0x0043 EMU10K2 (some kind of Audigy) cards */
502 
503 	/* 0x0051..0x0051 5.1 CA0100-IAF cards */
504 	{0x1102, 0x0004, 0x1102, 0x0051, "SB0090", "Audigy", HAS_AC97 | HAS_51 | IS_EMU10K2},
505 	/* ES is CA0100-IDF chip that don't work in digital mode */
506 	{0x1102, 0x0004, 0x1102, 0x0052, "SB0160", "Audigy ES", HAS_AC97 | HAS_71 | IS_EMU10K2 | BROKEN_DIGITAL},
507 	/* 0x0053..0x005C 5.1 CA0101-NAF cards */
508 	{0x1102, 0x0004, 0x1102, 0x0053, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
509 	{0x1102, 0x0004, 0x1102, 0x0058, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
510 
511 	/* 0x1002..0x1009 5.1 CA0102-IAT cards */
512 	{0x1102, 0x0004, 0x1102, 0x1002, "SB????", "Audigy 2 Platinum", HAS_51 | IS_CA0102},
513 	{0x1102, 0x0004, 0x1102, 0x1005, "SB????", "Audigy 2 Platinum EX", HAS_51 | IS_CA0102},
514 	{0x1102, 0x0004, 0x1102, 0x1007, "SB0240", "Audigy 2", HAS_AC97 | HAS_51 | IS_CA0102},
515 
516 	/* 0x2001..0x2003 7.1 CA0102-ICT cards */
517 	{0x1102, 0x0004, 0x1102, 0x2001, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
518 	{0x1102, 0x0004, 0x1102, 0x2002, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
519 	/* XXX No reports about 0x2003 & 0x2004 cards */
520 	{0x1102, 0x0004, 0x1102, 0x2003, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
521 	{0x1102, 0x0004, 0x1102, 0x2004, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
522 	{0x1102, 0x0004, 0x1102, 0x2005, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
523 
524 	/* (range unknown) 7.1 CA0102-xxx Audigy 4 cards */
525 	{0x1102, 0x0004, 0x1102, 0x2007, "SB0380", "Audigy 4 Pro", HAS_AC97 | HAS_71 | IS_CA0102},
526 
527 	/* Generic Audigy or Audigy 2 */
528 	{0x1102, 0x0004, 0x1102, 0x0000, "SB????", "Audigy (Unknown model)", HAS_AC97 | HAS_51 | IS_EMU10K2},
529 
530 	/* We don't support CA0103-DAT (Audigy LS) cards */
531 	/* There is NO CA0104-xxx cards */
532 	/* There is NO CA0105-xxx cards */
533 	/* We don't support CA0106-DAT (SB Live! 24 bit) cards */
534 	/* There is NO CA0107-xxx cards */
535 
536 	/* 0x1000..0x1001 7.1 CA0108-IAT cards */
537 	{0x1102, 0x0008, 0x1102, 0x1000, "SB????", "Audigy 2 LS", HAS_AC97 | HAS_51 | IS_CA0108 | DIGITAL_ONLY},
538 	{0x1102, 0x0008, 0x1102, 0x1001, "SB0400", "Audigy 2 Value", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
539 	{0x1102, 0x0008, 0x1102, 0x1021, "SB0610", "Audigy 4", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
540 
541 	{0x1102, 0x0008, 0x1102, 0x2001, "SB0530", "Audigy 2 ZS CardBus", HAS_AC97 | HAS_71 | IS_CA0108 | IS_CARDBUS},
542 
543 	{0x1102, 0x0008, 0x0000, 0x0000, "SB????", "Audigy 2 Value (Unknown model)", HAS_AC97 | HAS_51 | IS_CA0108},
544 };
545 /* Unsupported cards */
546 
547 static struct emu_hwinfo emu_bad_cards[] = {
548 	/* APS cards should be possible to support */
549 	{0x1102, 0x0002, 0x1102, 0x4001, "EMUAPS", "E-mu APS", 0},
550 	{0x1102, 0x0002, 0x1102, 0x4002, "EMUAPS", "E-mu APS", 0},
551 	{0x1102, 0x0004, 0x1102, 0x4001, "EMU???", "E-mu 1212m [4001]", 0},
552 	/* Similar-named ("Live!" or "Audigy") cards on different chipsets */
553 	{0x1102, 0x8064, 0x0000, 0x0000, "SB0100", "SBLive! 5.1 OEM", 0},
554 	{0x1102, 0x0006, 0x0000, 0x0000, "SB0200", "DELL OEM SBLive! Value", 0},
555 	{0x1102, 0x0007, 0x0000, 0x0000, "SB0310", "Audigy LS", 0},
556 };
557 
558 /*
559  * Get best known information about device.
560  */
561 static unsigned int
562 emu_getcard(device_t dev)
563 {
564 	uint16_t device;
565 	uint16_t subdevice;
566 	unsigned int thiscard;
567 	int i;
568 
569 	device = pci_read_config(dev, PCIR_DEVICE, /* bytes */ 2);
570 	subdevice = pci_read_config(dev, PCIR_SUBDEV_0, /* bytes */ 2);
571 
572 	thiscard = 0;
573 	for (i = 1; i < nitems(emu_cards); i++) {
574 		if (device == emu_cards[i].device) {
575 			if (subdevice == emu_cards[i].subdevice) {
576 				thiscard = i;
577 				break;
578 			}
579 			if (0x0000 == emu_cards[i].subdevice) {
580 				thiscard = i;
581 				/*
582 				 * don't break, we can get more specific card
583 				 * later in the list.
584 				 */
585 			}
586 		}
587 	}
588 
589 	for (i = 0; i < nitems(emu_bad_cards); i++) {
590 		if (device == emu_bad_cards[i].device) {
591 			if (subdevice == emu_bad_cards[i].subdevice) {
592 				thiscard = 0;
593 				break;
594 			}
595 			if (0x0000 == emu_bad_cards[i].subdevice) {
596 				thiscard = 0;
597 				break;	/* we avoid all this cards */
598 			}
599 		}
600 	}
601 	return (thiscard);
602 }
603 
604 /*
605  * Base hardware interface are 32 (Audigy) or 64 (Audigy2) registers.
606  * Some of them are used directly, some of them provide pointer / data pairs.
607  */
608 static uint32_t
609 emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
610 {
611 
612 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
613 	switch (size) {
614 	case 1:
615 		return (bus_space_read_1(sc->st, sc->sh, regno));
616 	case 2:
617 		return (bus_space_read_2(sc->st, sc->sh, regno));
618 	case 4:
619 		return (bus_space_read_4(sc->st, sc->sh, regno));
620 	}
621 	return (0xffffffff);
622 }
623 
624 static void
625 emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
626 {
627 
628 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
629 	switch (size) {
630 	case 1:
631 		bus_space_write_1(sc->st, sc->sh, regno, data);
632 		break;
633 	case 2:
634 		bus_space_write_2(sc->st, sc->sh, regno, data);
635 		break;
636 	case 4:
637 		bus_space_write_4(sc->st, sc->sh, regno, data);
638 		break;
639 	}
640 }
641 /*
642  * EMU_PTR / EMU_DATA interface. Access to EMU10Kx is made
643  * via (channel, register) pair. Some registers are channel-specific,
644  * some not.
645  */
646 uint32_t
647 emu_rdptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg)
648 {
649 	uint32_t ptr, val, mask, size, offset;
650 
651 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
652 
653 	EMU_RWLOCK();
654 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
655 	val = emu_rd_nolock(sc, EMU_DATA, 4);
656 	EMU_RWUNLOCK();
657 
658 	/*
659 	 * XXX Some register numbers has data size and offset encoded in
660 	 * it to get only part of 32bit register. This use is not described
661 	 * in register name, be careful!
662 	 */
663 	if (reg & 0xff000000) {
664 		size = (reg >> 24) & 0x3f;
665 		offset = (reg >> 16) & 0x1f;
666 		mask = ((1 << size) - 1) << offset;
667 		val &= mask;
668 		val >>= offset;
669 	}
670 	return (val);
671 }
672 
673 void
674 emu_wrptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg, uint32_t data)
675 {
676 	uint32_t ptr, mask, size, offset;
677 
678 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
679 
680 	EMU_RWLOCK();
681 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
682 	/*
683 	 * XXX Another kind of magic encoding in register number. This can
684 	 * give you side effect - it will read previous data from register
685 	 * and change only required bits.
686 	 */
687 	if (reg & 0xff000000) {
688 		size = (reg >> 24) & 0x3f;
689 		offset = (reg >> 16) & 0x1f;
690 		mask = ((1 << size) - 1) << offset;
691 		data <<= offset;
692 		data &= mask;
693 		data |= emu_rd_nolock(sc, EMU_DATA, 4) & ~mask;
694 	}
695 	emu_wr_nolock(sc, EMU_DATA, data, 4);
696 	EMU_RWUNLOCK();
697 }
698 /*
699  * EMU_A2_PTR / EMU_DATA2 interface. Access to P16v is made
700  * via (channel, register) pair. Some registers are channel-specific,
701  * some not. This interface is supported by CA0102 and CA0108 chips only.
702  */
703 uint32_t
704 emu_rd_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg)
705 {
706 	uint32_t val;
707 
708 	/* XXX separate lock? */
709 	EMU_RWLOCK();
710 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
711 	val = emu_rd_nolock(sc, EMU_DATA2, 4);
712 
713 	EMU_RWUNLOCK();
714 
715 	return (val);
716 }
717 
718 void
719 emu_wr_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg, uint32_t data)
720 {
721 
722 	EMU_RWLOCK();
723 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
724 	emu_wr_nolock(sc, EMU_DATA2, data, 4);
725 	EMU_RWUNLOCK();
726 }
727 /*
728  * XXX CardBus interface. Not tested on any real hardware.
729  */
730 static void
731 emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data)
732 {
733 
734 	/*
735 	 * 0x38 is IPE3 (CD S/PDIF interrupt pending register) on CA0102. Seems
736 	 * to be some reg/value accessible kind of config register on CardBus
737 	 * CA0108, with value(?) in top 16 bit, address(?) in low 16
738 	 */
739 
740 	emu_rd_nolock(sc, 0x38, 4);
741 	emu_wr_nolock(sc, 0x38, data, 4);
742 	emu_rd_nolock(sc, 0x38, 4);
743 
744 }
745 
746 /*
747  * Direct hardware register access
748  * Assume that it is never used to access EMU_PTR-based registers and can run unlocked.
749  */
750 void
751 emu_wr(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
752 {
753 	KASSERT(regno != EMU_PTR, ("emu_wr: attempt to write to EMU_PTR"));
754 	KASSERT(regno != EMU_A2_PTR, ("emu_wr: attempt to write to EMU_A2_PTR"));
755 
756 	emu_wr_nolock(sc, regno, data, size);
757 }
758 
759 uint32_t
760 emu_rd(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
761 {
762 	uint32_t rd;
763 
764 	KASSERT(regno != EMU_DATA, ("emu_rd: attempt to read DATA"));
765 	KASSERT(regno != EMU_DATA2, ("emu_rd: attempt to read DATA2"));
766 
767 	rd = emu_rd_nolock(sc, regno, size);
768 	return (rd);
769 }
770 
771 /*
772  * Enabling IR MIDI messages is another kind of black magic. It just
773  * has to be made this way. It really do it.
774  */
775 void
776 emu_enable_ir(struct emu_sc_info *sc)
777 {
778 	uint32_t iocfg;
779 
780 	if (sc->is_emu10k2 || sc->is_ca0102) {
781 		iocfg = emu_rd_nolock(sc, EMU_A_IOCFG, 2);
782 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT2, 2);
783 		DELAY(500);
784 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1 | EMU_A_IOCFG_GPOUT2, 2);
785 		DELAY(500);
786 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1, 2);
787 		DELAY(100);
788 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg, 2);
789 		device_printf(sc->dev, "Audigy IR MIDI events enabled.\n");
790 		sc->enable_ir = 1;
791 	}
792 	if (sc->is_emu10k1) {
793 		iocfg = emu_rd_nolock(sc, EMU_HCFG, 4);
794 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4);
795 		DELAY(500);
796 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4);
797 		DELAY(100);
798 		emu_wr_nolock(sc, EMU_HCFG, iocfg, 4);
799 		device_printf(sc->dev, "SB Live! IR MIDI events enabled.\n");
800 		sc->enable_ir = 1;
801 	}
802 }
803 
804 /*
805  * emu_timer_ - HW timer management
806  */
807 int
808 emu_timer_create(struct emu_sc_info *sc)
809 {
810 	int i, timer;
811 
812 	timer = -1;
813 
814 	mtx_lock(&sc->lock);
815 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
816 		if (sc->timer[i] == 0) {
817 			sc->timer[i] = -1;	/* disable it */
818 			timer = i;
819 			mtx_unlock(&sc->lock);
820 			return (timer);
821 		}
822 	mtx_unlock(&sc->lock);
823 
824 	return (-1);
825 }
826 
827 int
828 emu_timer_set(struct emu_sc_info *sc, int timer, int delay)
829 {
830 	int i;
831 
832 	if (timer < 0)
833 		return (-1);
834 
835 	RANGE(delay, 16, 1024);
836 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
837 
838 	mtx_lock(&sc->lock);
839 	sc->timer[timer] = delay;
840 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
841 		if (sc->timerinterval > sc->timer[i])
842 			sc->timerinterval = sc->timer[i];
843 
844 	/* XXX */
845 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
846 	mtx_unlock(&sc->lock);
847 
848 	return (timer);
849 }
850 
851 int
852 emu_timer_enable(struct emu_sc_info *sc, int timer, int go)
853 {
854 	uint32_t x;
855 	int ena_int;
856 	int i;
857 
858 	if (timer < 0)
859 		return (-1);
860 
861 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
862 
863 	mtx_lock(&sc->lock);
864 
865 	if ((go == 1) && (sc->timer[timer] < 0))
866 		sc->timer[timer] = -sc->timer[timer];
867 	if ((go == 0) && (sc->timer[timer] > 0))
868 		sc->timer[timer] = -sc->timer[timer];
869 
870 	ena_int = 0;
871 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
872 		if (sc->timerinterval > sc->timer[i])
873 			sc->timerinterval = sc->timer[i];
874 		if (sc->timer[i] > 0)
875 			ena_int = 1;
876 	}
877 
878 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
879 
880 	if (ena_int == 1) {
881 		x = emu_rd(sc, EMU_INTE, 4);
882 		x |= EMU_INTE_INTERTIMERENB;
883 		emu_wr(sc, EMU_INTE, x, 4);
884 	} else {
885 		x = emu_rd(sc, EMU_INTE, 4);
886 		x &= ~EMU_INTE_INTERTIMERENB;
887 		emu_wr(sc, EMU_INTE, x, 4);
888 	}
889 	mtx_unlock(&sc->lock);
890 	return (0);
891 }
892 
893 int
894 emu_timer_clear(struct emu_sc_info *sc, int timer)
895 {
896 	if (timer < 0)
897 		return (-1);
898 
899 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
900 
901 	emu_timer_enable(sc, timer, 0);
902 
903 	mtx_lock(&sc->lock);
904 	if (sc->timer[timer] != 0)
905 		sc->timer[timer] = 0;
906 	mtx_unlock(&sc->lock);
907 
908 	return (timer);
909 }
910 
911 /*
912  * emu_intr_ - HW interrupt handler management
913  */
914 int
915 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)
916 {
917 	int i;
918 	uint32_t x;
919 
920 	mtx_lock(&sc->lock);
921 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
922 		if (sc->ihandler[i].inte_mask == 0) {
923 			sc->ihandler[i].inte_mask = inte_mask;
924 			sc->ihandler[i].intr_mask = intr_mask;
925 			sc->ihandler[i].softc = isc;
926 			sc->ihandler[i].irq_func = func;
927 			x = emu_rd(sc, EMU_INTE, 4);
928 			x |= inte_mask;
929 			emu_wr(sc, EMU_INTE, x, 4);
930 			mtx_unlock(&sc->lock);
931 			if (sc->dbg_level > 1)
932 				device_printf(sc->dev, "ihandle %d registered\n", i);
933 
934 			return (i);
935 		}
936 	mtx_unlock(&sc->lock);
937 	if (sc->dbg_level > 1)
938 		device_printf(sc->dev, "ihandle not registered\n");
939 
940 	return (-1);
941 }
942 
943 int
944 emu_intr_unregister(struct emu_sc_info *sc, int hnumber)
945 {
946 	uint32_t x;
947 	int i;
948 
949 	mtx_lock(&sc->lock);
950 
951 	if (sc->ihandler[hnumber].inte_mask == 0) {
952 		mtx_unlock(&sc->lock);
953 		return (-1);
954 	}
955 
956 	x = emu_rd(sc, EMU_INTE, 4);
957 	x &= ~sc->ihandler[hnumber].inte_mask;
958 
959 	sc->ihandler[hnumber].inte_mask = 0;
960 	sc->ihandler[hnumber].intr_mask = 0;
961 	sc->ihandler[hnumber].softc = NULL;
962 	sc->ihandler[hnumber].irq_func = NULL;
963 
964 	/* other interrupt handlers may use this EMU_INTE value */
965 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
966 		if (sc->ihandler[i].inte_mask != 0)
967 			x |= sc->ihandler[i].inte_mask;
968 
969 	emu_wr(sc, EMU_INTE, x, 4);
970 
971 	mtx_unlock(&sc->lock);
972 	return (hnumber);
973 }
974 
975 static void
976 emu_intr(void *p)
977 {
978 	struct emu_sc_info *sc = (struct emu_sc_info *)p;
979 	uint32_t stat, ack;
980 	int i;
981 
982 	for (;;) {
983 		stat = emu_rd(sc, EMU_IPR, 4);
984 		ack = 0;
985 		if (stat == 0)
986 			break;
987 		emu_wr(sc, EMU_IPR, stat, 4);
988 		for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
989 			if ((((sc->ihandler[i].intr_mask) & stat) != 0) &&
990 			    (((void *)sc->ihandler[i].irq_func) != NULL)) {
991 				ack |= sc->ihandler[i].irq_func(sc->ihandler[i].softc,
992 				    (sc->ihandler[i].intr_mask) & stat);
993 			}
994 		}
995 	if (sc->dbg_level > 1)
996 		if (stat & (~ack))
997 			device_printf(sc->dev, "Unhandled interrupt: %08x\n", stat & (~ack));
998 	}
999 
1000 	if ((sc->is_ca0102) || (sc->is_ca0108))
1001 		for (;;) {
1002 			stat = emu_rd(sc, EMU_IPR2, 4);
1003 			ack = 0;
1004 			if (stat == 0)
1005 				break;
1006 			emu_wr(sc, EMU_IPR2, stat, 4);
1007 			if (sc->dbg_level > 1)
1008 				device_printf(sc->dev, "EMU_IPR2: %08x\n", stat);
1009 
1010 			break;	/* to avoid infinite loop. should be removed
1011 				 * after completion of P16V interface. */
1012 		}
1013 
1014 	if (sc->is_ca0102)
1015 		for (;;) {
1016 			stat = emu_rd(sc, EMU_IPR3, 4);
1017 			ack = 0;
1018 			if (stat == 0)
1019 				break;
1020 			emu_wr(sc, EMU_IPR3, stat, 4);
1021 			if (sc->dbg_level > 1)
1022 				device_printf(sc->dev, "EMU_IPR3: %08x\n", stat);
1023 
1024 			break;	/* to avoid infinite loop. should be removed
1025 				 * after completion of S/PDIF interface */
1026 		}
1027 }
1028 
1029 /*
1030  * Get data from private emu10kx structure for PCM buffer allocation.
1031  * Used by PCM code only.
1032  */
1033 bus_dma_tag_t
1034 emu_gettag(struct emu_sc_info *sc)
1035 {
1036 	return (sc->mem.dmat);
1037 }
1038 
1039 static void
1040 emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error)
1041 {
1042 	bus_addr_t *phys = (bus_addr_t *) arg;
1043 
1044 	*phys = error ? 0 : (bus_addr_t) segs->ds_addr;
1045 
1046 	if (bootverbose) {
1047 		printf("emu10kx: setmap (%lx, %lx), nseg=%d, error=%d\n",
1048 		    (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
1049 		    nseg, error);
1050 	}
1051 }
1052 
1053 static void *
1054 emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr,
1055     bus_dmamap_t *map)
1056 {
1057 	void *dmabuf;
1058 	int error;
1059 
1060 	*addr = 0;
1061 	if ((error = bus_dmamem_alloc(mem->dmat, &dmabuf, BUS_DMA_NOWAIT, map))) {
1062 		if (mem->card->dbg_level > 2)
1063 			device_printf(mem->card->dev, "emu_malloc: failed to alloc DMA map: %d\n", error);
1064 		return (NULL);
1065 		}
1066 	if ((error = bus_dmamap_load(mem->dmat, *map, dmabuf, sz, emu_setmap, addr, 0)) || !*addr) {
1067 		if (mem->card->dbg_level > 2)
1068 			device_printf(mem->card->dev, "emu_malloc: failed to load DMA memory: %d\n", error);
1069 		bus_dmamem_free(mem->dmat, dmabuf, *map);
1070 		return (NULL);
1071 		}
1072 	return (dmabuf);
1073 }
1074 
1075 static void
1076 emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map)
1077 {
1078 	bus_dmamap_unload(mem->dmat, map);
1079 	bus_dmamem_free(mem->dmat, dmabuf, map);
1080 }
1081 
1082 static void *
1083 emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char *owner)
1084 {
1085 	uint32_t blksz, start, idx, ofs, tmp, found;
1086 	struct emu_memblk *blk;
1087 	void *membuf;
1088 
1089 	blksz = sz / EMUPAGESIZE;
1090 	if (sz > (blksz * EMUPAGESIZE))
1091 		blksz++;
1092 	if (blksz > EMU_MAX_BUFSZ / EMUPAGESIZE) {
1093 		if (mem->card->dbg_level > 2)
1094 			device_printf(mem->card->dev, "emu_memalloc: memory request tool large\n");
1095 		return (NULL);
1096 		}
1097 	/* find a free block in the bitmap */
1098 	found = 0;
1099 	start = 1;
1100 	while (!found && start + blksz < EMU_MAXPAGES) {
1101 		found = 1;
1102 		for (idx = start; idx < start + blksz; idx++)
1103 			if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
1104 				found = 0;
1105 		if (!found)
1106 			start++;
1107 	}
1108 	if (!found) {
1109 		if (mem->card->dbg_level > 2)
1110 			device_printf(mem->card->dev, "emu_memalloc: no free space in bitmap\n");
1111 		return (NULL);
1112 		}
1113 	blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
1114 	if (blk == NULL) {
1115 		if (mem->card->dbg_level > 2)
1116 			device_printf(mem->card->dev, "emu_memalloc: buffer allocation failed\n");
1117 		return (NULL);
1118 		}
1119 	bzero(blk, sizeof(*blk));
1120 	membuf = emu_malloc(mem, sz, &blk->buf_addr, &blk->buf_map);
1121 	*addr = blk->buf_addr;
1122 	if (membuf == NULL) {
1123 		if (mem->card->dbg_level > 2)
1124 			device_printf(mem->card->dev, "emu_memalloc: can't setup HW memory\n");
1125 		free(blk, M_DEVBUF);
1126 		return (NULL);
1127 	}
1128 	blk->buf = membuf;
1129 	blk->pte_start = start;
1130 	blk->pte_size = blksz;
1131 	strncpy(blk->owner, owner, 15);
1132 	blk->owner[15] = '\0';
1133 	ofs = 0;
1134 	for (idx = start; idx < start + blksz; idx++) {
1135 		mem->bmap[idx >> 3] |= 1 << (idx & 7);
1136 		tmp = (uint32_t) (blk->buf_addr + ofs);
1137 		mem->ptb_pages[idx] = (tmp << 1) | idx;
1138 		ofs += EMUPAGESIZE;
1139 	}
1140 	SLIST_INSERT_HEAD(&mem->blocks, blk, link);
1141 	return (membuf);
1142 }
1143 
1144 static int
1145 emu_memfree(struct emu_mem *mem, void *membuf)
1146 {
1147 	uint32_t idx, tmp;
1148 	struct emu_memblk *blk, *i;
1149 
1150 	blk = NULL;
1151 	SLIST_FOREACH(i, &mem->blocks, link) {
1152 		if (i->buf == membuf)
1153 			blk = i;
1154 	}
1155 	if (blk == NULL)
1156 		return (EINVAL);
1157 	SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
1158 	emu_free(mem, membuf, blk->buf_map);
1159 	tmp = (uint32_t) (mem->silent_page_addr) << 1;
1160 	for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
1161 		mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
1162 		mem->ptb_pages[idx] = tmp | idx;
1163 	}
1164 	free(blk, M_DEVBUF);
1165 	return (0);
1166 }
1167 
1168 static int
1169 emu_memstart(struct emu_mem *mem, void *membuf)
1170 {
1171 	struct emu_memblk *blk, *i;
1172 
1173 	blk = NULL;
1174 	SLIST_FOREACH(i, &mem->blocks, link) {
1175 		if (i->buf == membuf)
1176 			blk = i;
1177 	}
1178 	if (blk == NULL)
1179 		return (-1);
1180 	return (blk->pte_start);
1181 }
1182 
1183 static uint32_t
1184 emu_rate_to_pitch(uint32_t rate)
1185 {
1186 	static uint32_t logMagTable[128] = {
1187 		0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
1188 		0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
1189 		0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
1190 		0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
1191 		0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
1192 		0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
1193 		0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
1194 		0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
1195 		0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
1196 		0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
1197 		0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
1198 		0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
1199 		0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
1200 		0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
1201 		0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
1202 		0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
1203 	};
1204 	static char logSlopeTable[128] = {
1205 		0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
1206 		0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
1207 		0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
1208 		0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
1209 		0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
1210 		0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
1211 		0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
1212 		0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
1213 		0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
1214 		0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
1215 		0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
1216 		0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
1217 		0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
1218 		0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
1219 		0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
1220 		0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
1221 	};
1222 	int i;
1223 
1224 	if (rate == 0)
1225 		return (0);
1226 	rate *= 11185;		/* Scale 48000 to 0x20002380 */
1227 	for (i = 31; i > 0; i--) {
1228 		if (rate & 0x80000000) {	/* Detect leading "1" */
1229 			return (((uint32_t) (i - 15) << 20) +
1230 			    logMagTable[0x7f & (rate >> 24)] +
1231 			    (0x7f & (rate >> 17)) *
1232 			    logSlopeTable[0x7f & (rate >> 24)]);
1233 		}
1234 		rate <<= 1;
1235 	}
1236 	/* NOTREACHED */
1237 	return (0);
1238 }
1239 
1240 static uint32_t
1241 emu_rate_to_linearpitch(uint32_t rate)
1242 {
1243 	rate = (rate << 8) / 375;
1244 	return ((rate >> 1) + (rate & 1));
1245 }
1246 
1247 struct emu_voice *
1248 emu_valloc(struct emu_sc_info *sc)
1249 {
1250 	struct emu_voice *v;
1251 	int i;
1252 
1253 	v = NULL;
1254 	mtx_lock(&sc->lock);
1255 	for (i = 0; i < NUM_G && sc->voice[i].busy; i++);
1256 	if (i < NUM_G) {
1257 		v = &sc->voice[i];
1258 		v->busy = 1;
1259 	}
1260 	mtx_unlock(&sc->lock);
1261 	return (v);
1262 }
1263 
1264 void
1265 emu_vfree(struct emu_sc_info *sc, struct emu_voice *v)
1266 {
1267 
1268 	mtx_lock(&sc->lock);
1269 	for (int i = 0; i < NUM_G; i++) {
1270 		if (v == &sc->voice[i] && sc->voice[i].busy) {
1271 			v->busy = 0;
1272 			/*
1273 			 * XXX What we should do with mono channels?
1274 			 * See -pcm.c emupchan_init for other side of
1275 			 * this problem
1276 			 */
1277 			if (v->slave != NULL)
1278 				emu_memfree(&sc->mem, v->vbuf);
1279 		}
1280 	}
1281 	mtx_unlock(&sc->lock);
1282 }
1283 
1284 int
1285 emu_vinit(struct emu_sc_info *sc, struct emu_voice *m, struct emu_voice *s,
1286     uint32_t sz, struct snd_dbuf *b)
1287 {
1288 	void *vbuf;
1289 	bus_addr_t tmp_addr;
1290 
1291 	vbuf = emu_memalloc(&sc->mem, sz, &tmp_addr, "vinit");
1292 	if (vbuf == NULL) {
1293 		if(sc->dbg_level > 2)
1294 			device_printf(sc->dev, "emu_memalloc returns NULL in enu_vinit\n");
1295 		return (ENOMEM);
1296 		}
1297 	if (b != NULL)
1298 		sndbuf_setup(b, vbuf, sz);
1299 	m->start = emu_memstart(&sc->mem, vbuf) * EMUPAGESIZE;
1300 	if (m->start < 0) {
1301 		if(sc->dbg_level > 2)
1302 			device_printf(sc->dev, "emu_memstart returns (-1) in enu_vinit\n");
1303 		emu_memfree(&sc->mem, vbuf);
1304 		return (ENOMEM);
1305 	}
1306 	m->end = m->start + sz;
1307 	m->speed = 0;
1308 	m->b16 = 0;
1309 	m->stereo = 0;
1310 	m->running = 0;
1311 	m->ismaster = 1;
1312 	m->vol = 0xff;
1313 	m->buf = tmp_addr;
1314 	m->vbuf = vbuf;
1315 	m->slave = s;
1316 	if (s != NULL) {
1317 		s->start = m->start;
1318 		s->end = m->end;
1319 		s->speed = 0;
1320 		s->b16 = 0;
1321 		s->stereo = 0;
1322 		s->running = 0;
1323 		s->ismaster = 0;
1324 		s->vol = m->vol;
1325 		s->buf = m->buf;
1326 		s->vbuf = NULL;
1327 		s->slave = NULL;
1328 	}
1329 	return (0);
1330 }
1331 
1332 void
1333 emu_vsetup(struct emu_voice *v, int fmt, int spd)
1334 {
1335 	if (fmt) {
1336 		v->b16 = (fmt & AFMT_16BIT) ? 1 : 0;
1337 		v->stereo = (AFMT_CHANNEL(fmt) > 1) ? 1 : 0;
1338 		if (v->slave != NULL) {
1339 			v->slave->b16 = v->b16;
1340 			v->slave->stereo = v->stereo;
1341 		}
1342 	}
1343 	if (spd) {
1344 		v->speed = spd;
1345 		if (v->slave != NULL)
1346 			v->slave->speed = v->speed;
1347 	}
1348 }
1349 
1350 void
1351 emu_vroute(struct emu_sc_info *sc, struct emu_route *rt,  struct emu_voice *v)
1352 {
1353 	int i;
1354 
1355 	for (i = 0; i < 8; i++) {
1356 		v->routing[i] = rt->routing_left[i];
1357 		v->amounts[i] = rt->amounts_left[i];
1358 	}
1359 	if ((v->stereo) && (v->ismaster == 0))
1360 		for (i = 0; i < 8; i++) {
1361 			v->routing[i] = rt->routing_right[i];
1362 			v->amounts[i] = rt->amounts_right[i];
1363 		}
1364 
1365 	if ((v->stereo) && (v->slave != NULL))
1366 		emu_vroute(sc, rt, v->slave);
1367 }
1368 
1369 void
1370 emu_vwrite(struct emu_sc_info *sc, struct emu_voice *v)
1371 {
1372 	int s;
1373 	uint32_t start, val, silent_page;
1374 
1375 	s = (v->stereo ? 1 : 0) + (v->b16 ? 1 : 0);
1376 
1377 	v->sa = v->start >> s;
1378 	v->ea = v->end >> s;
1379 
1380 	if (v->stereo) {
1381 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, EMU_CHAN_CPF_STEREO_MASK);
1382 	} else {
1383 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, 0);
1384 	}
1385 	val = v->stereo ? 28 : 30;
1386 	val *= v->b16 ? 1 : 2;
1387 	start = v->sa + val;
1388 
1389 	if (sc->is_emu10k1) {
1390 		emu_wrptr(sc, v->vnum, EMU_CHAN_FXRT, ((v->routing[3] << 12) |
1391 		    (v->routing[2] << 8) |
1392 		    (v->routing[1] << 4) |
1393 		    (v->routing[0] << 0)) << 16);
1394 	} else {
1395 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT1, (v->routing[3] << 24) |
1396 		    (v->routing[2] << 16) |
1397 		    (v->routing[1] << 8) |
1398 		    (v->routing[0] << 0));
1399 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT2, (v->routing[7] << 24) |
1400 		    (v->routing[6] << 16) |
1401 		    (v->routing[5] << 8) |
1402 		    (v->routing[4] << 0));
1403 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, (v->amounts[7] << 24) |
1404 		    (v->amounts[6] << 26) |
1405 		    (v->amounts[5] << 8) |
1406 		    (v->amounts[4] << 0));
1407 	}
1408 	emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX, (v->amounts[0] << 8) | (v->amounts[1] << 0));
1409 	emu_wrptr(sc, v->vnum, EMU_CHAN_DSL, v->ea | (v->amounts[3] << 24));
1410 	emu_wrptr(sc, v->vnum, EMU_CHAN_PSST, v->sa | (v->amounts[2] << 24));
1411 
1412 	emu_wrptr(sc, v->vnum, EMU_CHAN_CCCA, start | (v->b16 ? 0 : EMU_CHAN_CCCA_8BITSELECT));
1413 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z1, 0);
1414 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z2, 0);
1415 
1416 	silent_page = ((uint32_t) (sc->mem.silent_page_addr) << 1) | EMU_CHAN_MAP_PTI_MASK;
1417 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPA, silent_page);
1418 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPB, silent_page);
1419 
1420 	emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, EMU_CHAN_CVCF_CURRFILTER_MASK);
1421 	emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
1422 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDM, 0);
1423 	emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSM, EMU_CHAN_DCYSUSM_DECAYTIME_MASK);
1424 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL1, 0x8000);
1425 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL2, 0x8000);
1426 	emu_wrptr(sc, v->vnum, EMU_CHAN_FMMOD, 0);
1427 	emu_wrptr(sc, v->vnum, EMU_CHAN_TREMFRQ, 0);
1428 	emu_wrptr(sc, v->vnum, EMU_CHAN_FM2FRQ2, 0);
1429 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVAL, 0x8000);
1430 
1431 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDV, EMU_CHAN_ATKHLDV_HOLDTIME_MASK | EMU_CHAN_ATKHLDV_ATTACKTIME_MASK);
1432 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVOL, 0x8000);
1433 
1434 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_FILTERAMOUNT, 0x7f);
1435 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_PITCHAMOUNT, 0);
1436 	if ((v->stereo) && (v->slave != NULL))
1437 		emu_vwrite(sc, v->slave);
1438 }
1439 
1440 static void
1441 emu_vstop(struct emu_sc_info *sc, char channel, int enable)
1442 {
1443 	int reg;
1444 
1445 	reg = (channel & 0x20) ? EMU_SOLEH : EMU_SOLEL;
1446 	channel &= 0x1f;
1447 	reg |= 1 << 24;
1448 	reg |= channel << 16;
1449 	emu_wrptr(sc, 0, reg, enable);
1450 }
1451 
1452 void
1453 emu_vtrigger(struct emu_sc_info *sc, struct emu_voice *v, int go)
1454 {
1455 	uint32_t pitch_target, initial_pitch;
1456 	uint32_t cra, cs, ccis;
1457 	uint32_t sample, i;
1458 
1459 	if (go) {
1460 		cra = 64;
1461 		cs = v->stereo ? 4 : 2;
1462 		ccis = v->stereo ? 28 : 30;
1463 		ccis *= v->b16 ? 1 : 2;
1464 		sample = v->b16 ? 0x00000000 : 0x80808080;
1465 		for (i = 0; i < cs; i++)
1466 			emu_wrptr(sc, v->vnum, EMU_CHAN_CD0 + i, sample);
1467 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, 0);
1468 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_READADDRESS, cra);
1469 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, ccis);
1470 
1471 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xff00);
1472 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
1473 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0xffffffff);
1474 		emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSV, 0x00007f7f);
1475 		emu_vstop(sc, v->vnum, 0);
1476 
1477 		pitch_target = emu_rate_to_linearpitch(v->speed);
1478 		initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
1479 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, pitch_target);
1480 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, pitch_target);
1481 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, initial_pitch);
1482 	} else {
1483 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, 0);
1484 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, 0);
1485 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xffff);
1486 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
1487 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0x0000ffff);
1488 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, 0);
1489 		emu_vstop(sc, v->vnum, 1);
1490 	}
1491 	if ((v->stereo) && (v->slave != NULL))
1492 		emu_vtrigger(sc, v->slave, go);
1493 }
1494 
1495 int
1496 emu_vpos(struct emu_sc_info *sc, struct emu_voice *v)
1497 {
1498 	int s, ptr;
1499 
1500 	s = (v->b16 ? 1 : 0) + (v->stereo ? 1 : 0);
1501 	ptr = (emu_rdptr(sc, v->vnum, EMU_CHAN_CCCA_CURRADDR) - (v->start >> s)) << s;
1502 	return (ptr & ~0x0000001f);
1503 }
1504 
1505 /* fx */
1506 static void
1507 emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data)
1508 {
1509 	emu_wrptr(sc, 0, sc->code_base + pc, data);
1510 }
1511 
1512 static void
1513 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)
1514 {
1515 	if ((*pc) + 1 > sc->code_size) {
1516 		device_printf(sc->dev, "DSP CODE OVERRUN: attept to write past code_size (pc=%d)\n", (*pc));
1517 		return;
1518 	}
1519 	emu_wrefx(sc, (*pc) * 2, (x << sc->high_operand_shift) | y);
1520 	emu_wrefx(sc, (*pc) * 2 + 1, (op << sc->opcode_shift) | (z << sc->high_operand_shift) | w);
1521 	(*pc)++;
1522 }
1523 
1524 static int
1525 sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS)
1526 {
1527 	struct emu_sc_info *sc;
1528 	int	mixer_id;
1529 	int	new_vol;
1530 	int	err;
1531 
1532 	sc = arg1;
1533 	mixer_id = arg2;
1534 
1535 	new_vol = emumix_get_volume(sc, mixer_id);
1536 	err = sysctl_handle_int(oidp, &new_vol, 0, req);
1537 
1538 	if (err || req->newptr == NULL)
1539 		return (err);
1540 	if (new_vol < 0 || new_vol > 100)
1541 		return (EINVAL);
1542 	emumix_set_volume(sc, mixer_id, new_vol);
1543 
1544 	return (0);
1545 }
1546 
1547 static int
1548 emu_addefxmixer(struct emu_sc_info *sc, const char *mix_name, const int mix_id, uint32_t defvolume)
1549 {
1550 	int volgpr;
1551 	char	sysctl_name[32];
1552 
1553 	volgpr = emu_rm_gpr_alloc(sc->rm, 1);
1554 	emumix_set_fxvol(sc, volgpr, defvolume);
1555 	/*
1556 	 * Mixer controls with NULL mix_name are handled
1557 	 * by AC97 emulation code or PCM mixer.
1558 	 */
1559 	if (mix_name != NULL) {
1560 		/*
1561 		 * Temporary sysctls should start with underscore,
1562 		 * see freebsd-current mailing list, emu10kx driver
1563 		 * discussion around 2006-05-24.
1564 		 */
1565 		snprintf(sysctl_name, 32, "_%s", mix_name);
1566 		SYSCTL_ADD_PROC(sc->ctx,
1567 		    SYSCTL_CHILDREN(sc->root), OID_AUTO, sysctl_name,
1568 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, mix_id,
1569 		    sysctl_emu_mixer_control, "I", "");
1570 	}
1571 
1572 	return (volgpr);
1573 }
1574 
1575 static int
1576 sysctl_emu_digitalswitch_control(SYSCTL_HANDLER_ARGS)
1577 {
1578 	struct emu_sc_info *sc;
1579 	int	new_val;
1580 	int	err;
1581 
1582 	sc = arg1;
1583 
1584 	new_val = (sc->mode == MODE_DIGITAL) ? 1 : 0;
1585 	err = sysctl_handle_int(oidp, &new_val, 0, req);
1586 
1587 	if (err || req->newptr == NULL)
1588 		return (err);
1589 	if (new_val < 0 || new_val > 1)
1590 		return (EINVAL);
1591 
1592 	switch (new_val) {
1593 		case 0:
1594 			emumix_set_mode(sc, MODE_ANALOG);
1595 			break;
1596 		case 1:
1597 			emumix_set_mode(sc, MODE_DIGITAL);
1598 			break;
1599 	}
1600 	return (0);
1601 }
1602 
1603 static void
1604 emu_digitalswitch(struct emu_sc_info *sc)
1605 {
1606 	/* XXX temporary? */
1607 	SYSCTL_ADD_PROC(sc->ctx, SYSCTL_CHILDREN(sc->root), OID_AUTO,
1608 	    "_digital", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
1609 	    sc, 0, sysctl_emu_digitalswitch_control, "I",
1610 	    "Enable digital output");
1611 
1612 	return;
1613 }
1614 
1615 /*
1616  * Allocate cache GPRs that will hold mixed output channels
1617  * and clear it on every DSP run.
1618  */
1619 #define	EFX_CACHE(CACHE_IDX) do {				\
1620 	sc->cache_gpr[CACHE_IDX] = emu_rm_gpr_alloc(sc->rm, 1); \
1621 	emu_addefxop(sc, ACC3, 					\
1622 		GPR(sc->cache_gpr[CACHE_IDX]), 			\
1623 		DSP_CONST(0), 					\
1624 		DSP_CONST(0), 					\
1625 		DSP_CONST(0), 					\
1626 		&pc);						\
1627 } while (0)
1628 
1629 /* Allocate GPR for volume control and route sound: OUT = OUT + IN * VOL */
1630 #define	EFX_ROUTE(TITLE, INP_NR, IN_GPR_IDX, OUT_CACHE_IDX, DEF) do { 	\
1631 	sc->mixer_gpr[IN_GPR_IDX] = emu_addefxmixer(sc, TITLE, IN_GPR_IDX,  DEF); \
1632 	sc->mixer_volcache[IN_GPR_IDX] = DEF; 			\
1633 	emu_addefxop(sc, MACS, 					\
1634 		GPR(sc->cache_gpr[OUT_CACHE_IDX]), 		\
1635 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1636 		INP_NR,						\
1637 		GPR(sc->mixer_gpr[IN_GPR_IDX]),			\
1638 		&pc);						\
1639 } while (0)
1640 
1641 /* allocate GPR, OUT = IN * VOL */
1642 #define	EFX_OUTPUT(TITLE, OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR, DEF) do {	\
1643 	sc->mixer_gpr[OUT_GPR_IDX] = emu_addefxmixer(sc, TITLE, OUT_GPR_IDX, DEF); \
1644 	sc->mixer_volcache[OUT_GPR_IDX] = DEF;			\
1645 	emu_addefxop(sc, MACS,					\
1646 		OUTP(OUTP_NR),					\
1647 		DSP_CONST(0),					\
1648 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1649 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1650 		&pc);						\
1651 } while (0)
1652 
1653 /* like EFX_OUTPUT, but don't allocate mixer gpr */
1654 #define	EFX_OUTPUTD(OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR) do {	\
1655 	emu_addefxop(sc, MACS,					\
1656 		OUTP(OUTP_NR),					\
1657 		DSP_CONST(0),					\
1658 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1659 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1660 		&pc);						\
1661 } while (0)
1662 
1663 /* skip next OPCOUNT instructions if FLAG != 0 */
1664 #define EFX_SKIP(OPCOUNT, FLAG_GPR) do {			\
1665 	emu_addefxop(sc, MACS,					\
1666 		DSP_CONST(0),					\
1667 		GPR(sc->mute_gpr[FLAG_GPR]),					\
1668 		DSP_CONST(0),					\
1669 		DSP_CONST(0),					\
1670 		&pc);						\
1671 	emu_addefxop(sc, SKIP,					\
1672 		DSP_CCR,					\
1673 		DSP_CCR,					\
1674 		COND_NEQ_ZERO,					\
1675 		OPCOUNT,					\
1676 		&pc);						\
1677 } while (0)
1678 
1679 #define EFX_COPY(TO, FROM) do {					\
1680 	emu_addefxop(sc, ACC3,					\
1681 		TO,						\
1682 		DSP_CONST(0),					\
1683 		DSP_CONST(0),					\
1684 		FROM,						\
1685 		&pc);						\
1686 } while (0)
1687 
1688 static void
1689 emu_initefx(struct emu_sc_info *sc)
1690 {
1691 	unsigned int i;
1692 	uint32_t pc;
1693 
1694 	/* stop DSP */
1695 	if (sc->is_emu10k1) {
1696 		emu_wrptr(sc, 0, EMU_DBG, EMU_DBG_SINGLE_STEP);
1697 	} else {
1698 		emu_wrptr(sc, 0, EMU_A_DBG, EMU_A_DBG_SINGLE_STEP);
1699 	}
1700 
1701 	/* code size is in instructions */
1702 	pc = 0;
1703 	for (i = 0; i < sc->code_size; i++) {
1704 		if (sc->is_emu10k1) {
1705 			emu_addefxop(sc, ACC3, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), &pc);
1706 		} else {
1707 			emu_addefxop(sc, SKIP, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0xf), DSP_CONST(0x0), &pc);
1708 		}
1709 	}
1710 
1711 	/* allocate GPRs for mute switches (EFX_SKIP). Mute by default */
1712 	for (i = 0; i < NUM_MUTE; i++) {
1713 		sc->mute_gpr[i] = emu_rm_gpr_alloc(sc->rm, 1);
1714 		emumix_set_gpr(sc, sc->mute_gpr[i], 1);
1715 	}
1716 	emu_digitalswitch(sc);
1717 
1718 	pc = 0;
1719 
1720 	/*
1721 	 * DSP code below is not good, because:
1722 	 * 1. It can be written smaller, if it can use DSP accumulator register
1723 	 * instead of cache_gpr[].
1724 	 * 2. It can be more careful when volume is 100%, because in DSP
1725 	 * x*0x7fffffff may not be equal to x !
1726 	 */
1727 
1728 	/* clean outputs */
1729 	for (i = 0; i < 16 ; i++) {
1730 		emu_addefxop(sc, ACC3, OUTP(i), DSP_CONST(0), DSP_CONST(0), DSP_CONST(0), &pc);
1731 	}
1732 
1733 	if (sc->is_emu10k1) {
1734 		EFX_CACHE(C_FRONT_L);
1735 		EFX_CACHE(C_FRONT_R);
1736 		EFX_CACHE(C_REC_L);
1737 		EFX_CACHE(C_REC_R);
1738 
1739 		/* fx0 to front/record, 100%/muted by default */
1740 		EFX_ROUTE("pcm_front_l", FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1741 		EFX_ROUTE("pcm_front_r", FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1742 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1743 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1744 
1745 		/* in0, from AC97 codec output */
1746 		EFX_ROUTE("ac97_front_l", INP(IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 0);
1747 		EFX_ROUTE("ac97_front_r", INP(IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 0);
1748 		EFX_ROUTE("ac97_rec_l", INP(IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1749 		EFX_ROUTE("ac97_rec_r", INP(IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1750 
1751 		/* in1, from CD S/PDIF */
1752 		/* XXX EFX_SKIP 4 assumes that each EFX_ROUTE is one DSP op */
1753 		EFX_SKIP(4, CDSPDIFMUTE);
1754 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1755 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1756 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1757 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1758 
1759 		if (sc->dbg_level > 0) {
1760 			/* in2, ZoomVide (???) */
1761 			EFX_ROUTE("zoom_front_l", INP(IN_ZOOM_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1762 			EFX_ROUTE("zoom_front_r", INP(IN_ZOOM_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1763 			EFX_ROUTE("zoom_rec_l", INP(IN_ZOOM_L), M_IN2_REC_L, C_REC_L, 0);
1764 			EFX_ROUTE("zoom_rec_r", INP(IN_ZOOM_R), M_IN2_REC_R, C_REC_R, 0);
1765 		}
1766 
1767 		/* in3, TOSLink  */
1768 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_FRONT_L, C_FRONT_L, 0);
1769 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_FRONT_R, C_FRONT_R, 0);
1770 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_REC_L, C_REC_L, 0);
1771 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_REC_R, C_REC_R, 0);
1772 		/* in4, LineIn  */
1773 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1774 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1775 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_REC_L, C_REC_L, 0);
1776 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_REC_R, C_REC_R, 0);
1777 
1778 		/* in5, on-card S/PDIF */
1779 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1780 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1781 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1782 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1783 
1784 		/* in6, Line2 on Live!Drive */
1785 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1786 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1787 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_REC_L, C_REC_L, 0);
1788 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_REC_R, C_REC_R, 0);
1789 
1790 		if (sc->dbg_level > 0) {
1791 			/* in7, unknown */
1792 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
1793 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
1794 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
1795 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
1796 		}
1797 
1798 		/* analog and digital */
1799 		EFX_OUTPUT("master_front_l", C_FRONT_L, M_MASTER_FRONT_L, OUT_AC97_L, 100);
1800 		EFX_OUTPUT("master_front_r", C_FRONT_R, M_MASTER_FRONT_R, OUT_AC97_R, 100);
1801 		/* S/PDIF */
1802 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_TOSLINK_L);
1803 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_TOSLINK_R);
1804 		/* Headphones */
1805 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_HEADPHONE_L);
1806 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_HEADPHONE_R);
1807 
1808 		/* rec output to "ADC" */
1809 		EFX_OUTPUT("master_rec_l", C_REC_L, M_MASTER_REC_L, OUT_ADC_REC_L, 100);
1810 		EFX_OUTPUT("master_rec_r", C_REC_R, M_MASTER_REC_R, OUT_ADC_REC_R, 100);
1811 
1812 		if (!(sc->mch_disabled)) {
1813 			/*
1814 			 * Additional channel volume is controlled by mixer in
1815 			 * emu_dspmixer_set() in -pcm.c
1816 			 */
1817 
1818 			/* fx2/3 (pcm1) to rear */
1819 			EFX_CACHE(C_REAR_L);
1820 			EFX_CACHE(C_REAR_R);
1821 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
1822 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
1823 
1824 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, OUT_REAR_L, 100);
1825 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, OUT_REAR_R, 100);
1826 			if (sc->has_51) {
1827 				/* fx4 (pcm2) to center */
1828 				EFX_CACHE(C_CENTER);
1829 				EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
1830 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1831 
1832 				/* XXX in digital mode (default) this should be muted because
1833 				this output is shared with digital out */
1834 				EFX_SKIP(1, ANALOGMUTE);
1835 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1836 
1837 				/* fx5 (pcm3) to sub */
1838 				EFX_CACHE(C_SUB);
1839 				EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
1840 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1841 
1842 				/* XXX in digital mode (default) this should be muted because
1843 				this output is shared with digital out */
1844 				EFX_SKIP(1, ANALOGMUTE);
1845 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1846 			}
1847 		} else {
1848 			/* SND_EMU10KX_MULTICHANNEL_DISABLED */
1849 			EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_REAR_L, OUT_REAR_L, 57); /* 75%*75% */
1850 			EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_REAR_R, OUT_REAR_R, 57); /* 75%*75% */
1851 
1852 #if 0
1853 			/* XXX 5.1 does not work */
1854 
1855 			if (sc->has_51) {
1856 				/* (fx0+fx1)/2 to center */
1857 				EFX_CACHE(C_CENTER);
1858 				emu_addefxop(sc, MACS,
1859 					GPR(sc->cache_gpr[C_CENTER]),
1860 					GPR(sc->cache_gpr[C_CENTER]),
1861 					DSP_CONST(0xd), /* = 1/2 */
1862 					GPR(sc->cache_gpr[C_FRONT_L]),
1863 					&pc);
1864 				emu_addefxop(sc, MACS,
1865 					GPR(sc->cache_gpr[C_CENTER]),
1866 					GPR(sc->cache_gpr[C_CENTER]),
1867 					DSP_CONST(0xd), /* = 1/2 */
1868 					GPR(sc->cache_gpr[C_FRONT_R]),
1869 					&pc);
1870 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1871 
1872 				/* XXX in digital mode (default) this should be muted because
1873 				this output is shared with digital out */
1874 				EFX_SKIP(1, ANALOGMUTE);
1875 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1876 
1877 				/* (fx0+fx1)/2  to sub */
1878 				EFX_CACHE(C_SUB);
1879 				emu_addefxop(sc, MACS,
1880 					GPR(sc->cache_gpr[C_CENTER]),
1881 					GPR(sc->cache_gpr[C_CENTER]),
1882 					DSP_CONST(0xd), /* = 1/2 */
1883 					GPR(sc->cache_gpr[C_FRONT_L]),
1884 					&pc);
1885 				emu_addefxop(sc, MACS,
1886 					GPR(sc->cache_gpr[C_CENTER]),
1887 					GPR(sc->cache_gpr[C_CENTER]),
1888 					DSP_CONST(0xd), /* = 1/2 */
1889 					GPR(sc->cache_gpr[C_FRONT_R]),
1890 					&pc);
1891 				/* XXX add lowpass filter here */
1892 
1893 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1894 
1895 				/* XXX in digital mode (default) this should be muted because
1896 				this output is shared with digital out */
1897 				EFX_SKIP(1, ANALOGMUTE);
1898 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1899 			}
1900 #endif
1901 		} /* !mch_disabled */
1902 		if (sc->mch_rec) {
1903 			/*
1904 			 * MCH RECORDING , hight 16 slots. On 5.1 cards first 4 slots
1905 			 * are used as outputs and already filled with data
1906 			 */
1907 			/*
1908 			 * XXX On Live! cards stream does not begin at zero offset.
1909 			 * It can be HW, driver or sound buffering problem.
1910 			 * Use sync substream (offset 0x3E) to let userland find
1911 			 * correct data.
1912 			 */
1913 
1914 			/*
1915 			 * Substream map (in byte offsets, each substream is 2 bytes):
1916 			 *	0x00..0x1E - outputs
1917 			 *	0x20..0x3E - FX, inputs and sync stream
1918 			 */
1919 
1920 			/* First 2 channels (offset 0x20,0x22) are empty */
1921 			for(i = (sc->has_51 ? 2 : 0); i < 2; i++)
1922 				EFX_COPY(FX2(i), DSP_CONST(0));
1923 
1924 			/* PCM Playback monitoring, offset 0x24..0x2A */
1925 			for(i = 0; i < 4; i++)
1926 				EFX_COPY(FX2(i+2), FX(i));
1927 
1928 			/* Copy of some inputs, offset 0x2C..0x3C */
1929 			for(i = 0; i < 9; i++)
1930 				EFX_COPY(FX2(i+8), INP(i));
1931 
1932 			/* sync data (0xc0de, offset 0x3E) */
1933 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
1934 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
1935 
1936 			EFX_COPY(FX2(15), GPR(sc->dummy_gpr));
1937 		} /* mch_rec */
1938 	} else /* emu10k2 and later */ {
1939 		EFX_CACHE(C_FRONT_L);
1940 		EFX_CACHE(C_FRONT_R);
1941 		EFX_CACHE(C_REC_L);
1942 		EFX_CACHE(C_REC_R);
1943 
1944 		/* fx0 to front/record, 100%/muted by default */
1945 		/*
1946 		 * FRONT_[L|R] is controlled by AC97 emulation in
1947 		 * emu_ac97_[read|write]_emulation in -pcm.c
1948 		 */
1949 		EFX_ROUTE(NULL, FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1950 		EFX_ROUTE(NULL, FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1951 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1952 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1953 
1954 		/* in0, from AC97 codec output */
1955 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 100);
1956 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 100);
1957 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1958 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1959 
1960 		/* in1, from CD S/PDIF */
1961 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1962 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1963 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1964 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1965 
1966 		/* in2, optical & coax S/PDIF on AudigyDrive*/
1967 		/* XXX Should be muted when GPRSCS valid stream == 0 */
1968 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1969 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1970 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_REC_L, C_REC_L, 0);
1971 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_REC_R, C_REC_R, 0);
1972 
1973 		if (sc->dbg_level > 0) {
1974 			/* in3, unknown */
1975 			EFX_ROUTE("in3_front_l", INP(0x6), M_IN3_FRONT_L, C_FRONT_L, 0);
1976 			EFX_ROUTE("in3_front_r", INP(0x7), M_IN3_FRONT_R, C_FRONT_R, 0);
1977 			EFX_ROUTE("in3_rec_l", INP(0x6), M_IN3_REC_L, C_REC_L, 0);
1978 			EFX_ROUTE("in3_rec_r", INP(0x7), M_IN3_REC_R, C_REC_R, 0);
1979 		}
1980 
1981 		/* in4, LineIn 2 on AudigyDrive */
1982 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1983 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1984 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_REC_L, C_REC_L, 0);
1985 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_REC_R, C_REC_R, 0);
1986 
1987 		/* in5, on-card S/PDIF */
1988 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1989 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1990 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1991 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1992 
1993 		/* in6, AUX2 on AudigyDrive */
1994 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1995 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1996 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_REC_L, C_REC_L, 0);
1997 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_REC_R, C_REC_R, 0);
1998 
1999 		if (sc->dbg_level > 0) {
2000 			/* in7, unknown */
2001 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
2002 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
2003 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
2004 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
2005 		}
2006 
2007 		/* front output to headphones and  alog and digital *front */
2008 		/* volume controlled by AC97 emulation */
2009 		EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_FRONT_L, 100);
2010 		EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_FRONT_R, 100);
2011 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_FRONT_L);
2012 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_FRONT_R);
2013 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_HPHONE_L);
2014 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_HPHONE_R);
2015 
2016 		/* rec output to "ADC" */
2017 		/* volume controlled by AC97 emulation */
2018 		EFX_OUTPUT(NULL, C_REC_L, M_MASTER_REC_L, A_OUT_ADC_REC_L, 100);
2019 		EFX_OUTPUT(NULL, C_REC_R, M_MASTER_REC_R, A_OUT_ADC_REC_R, 100);
2020 
2021 		if (!(sc->mch_disabled)) {
2022 			/*
2023 			 * Additional channel volume is controlled by mixer in
2024 			 * emu_dspmixer_set() in -pcm.c
2025 			 */
2026 
2027 			/* fx2/3 (pcm1) to rear */
2028 			EFX_CACHE(C_REAR_L);
2029 			EFX_CACHE(C_REAR_R);
2030 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
2031 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
2032 
2033 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, A_OUT_A_REAR_L, 100);
2034 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, A_OUT_A_REAR_R, 100);
2035 			EFX_OUTPUTD(C_REAR_L, M_MASTER_REAR_L, A_OUT_D_REAR_L);
2036 			EFX_OUTPUTD(C_REAR_R, M_MASTER_REAR_R, A_OUT_D_REAR_R);
2037 
2038 			/* fx4 (pcm2) to center */
2039 			EFX_CACHE(C_CENTER);
2040 			EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
2041 			EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2042 #if 0
2043 			/*
2044 			 * XXX in digital mode (default) this should be muted
2045 			 * because this output is shared with digital out
2046 			 */
2047 			EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2048 #endif
2049 			/* fx5 (pcm3) to sub */
2050 			EFX_CACHE(C_SUB);
2051 			EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
2052 			EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2053 #if 0
2054 			/*
2055 			 * XXX in digital mode (default) this should be muted
2056 			 * because this output is shared with digital out
2057 			 */
2058 			EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2059 #endif
2060 			if (sc->has_71) {
2061 				/* XXX this will broke headphones on AudigyDrive */
2062 				/* fx6/7 (pcm4) to side */
2063 				EFX_CACHE(C_SIDE_L);
2064 				EFX_CACHE(C_SIDE_R);
2065 				EFX_ROUTE(NULL, FX(6), M_FX6_SIDE_L, C_SIDE_L, 100);
2066 				EFX_ROUTE(NULL, FX(7), M_FX7_SIDE_R, C_SIDE_R, 100);
2067 				EFX_OUTPUT(NULL, C_SIDE_L, M_MASTER_SIDE_L, A_OUT_A_SIDE_L, 100);
2068 				EFX_OUTPUT(NULL, C_SIDE_R, M_MASTER_SIDE_R, A_OUT_A_SIDE_R, 100);
2069 				EFX_OUTPUTD(C_SIDE_L, M_MASTER_SIDE_L, A_OUT_D_SIDE_L);
2070 				EFX_OUTPUTD(C_SIDE_R, M_MASTER_SIDE_R, A_OUT_D_SIDE_R);
2071 			}
2072 		} else {	/* mch_disabled */
2073 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_REAR_L);
2074 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_REAR_R);
2075 
2076 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_REAR_L);
2077 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_REAR_R);
2078 
2079 			if (sc->has_51) {
2080 				/* (fx0+fx1)/2 to center */
2081 				EFX_CACHE(C_CENTER);
2082 				emu_addefxop(sc, MACS,
2083 					GPR(sc->cache_gpr[C_CENTER]),
2084 					GPR(sc->cache_gpr[C_CENTER]),
2085 					DSP_CONST(0xd), /* = 1/2 */
2086 					GPR(sc->cache_gpr[C_FRONT_L]),
2087 					&pc);
2088 				emu_addefxop(sc, MACS,
2089 					GPR(sc->cache_gpr[C_CENTER]),
2090 					GPR(sc->cache_gpr[C_CENTER]),
2091 					DSP_CONST(0xd), /* = 1/2 */
2092 					GPR(sc->cache_gpr[C_FRONT_R]),
2093 					&pc);
2094 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2095 
2096 				/* XXX in digital mode (default) this should be muted because
2097 				this output is shared with digital out */
2098 				EFX_SKIP(1, ANALOGMUTE);
2099 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2100 
2101 				/* (fx0+fx1)/2  to sub */
2102 				EFX_CACHE(C_SUB);
2103 				emu_addefxop(sc, MACS,
2104 					GPR(sc->cache_gpr[C_SUB]),
2105 					GPR(sc->cache_gpr[C_SUB]),
2106 					DSP_CONST(0xd), /* = 1/2 */
2107 					GPR(sc->cache_gpr[C_FRONT_L]),
2108 					&pc);
2109 				emu_addefxop(sc, MACS,
2110 					GPR(sc->cache_gpr[C_SUB]),
2111 					GPR(sc->cache_gpr[C_SUB]),
2112 					DSP_CONST(0xd), /* = 1/2 */
2113 					GPR(sc->cache_gpr[C_FRONT_R]),
2114 					&pc);
2115 				/* XXX add lowpass filter here */
2116 
2117 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2118 
2119 				/* XXX in digital mode (default) this should be muted because
2120 				this output is shared with digital out */
2121 				EFX_SKIP(1, ANALOGMUTE);
2122 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2123 			}
2124 		} /* mch_disabled */
2125 		if (sc->mch_rec) {
2126 			/* MCH RECORDING, high 32 slots */
2127 
2128 			/*
2129 			 * Stream map (in byte offsets):
2130 			 *	0x00..0x3E - outputs
2131 			 *	0x40..0x7E - FX, inputs
2132 			 *	each substream is 2 bytes.
2133 			 */
2134 			/*
2135 			 * XXX Audigy 2 Value cards (and, possibly,
2136 			 * Audigy 4) write some unknown data in place of
2137 			 * some outputs (offsets 0x20..0x3F) and one
2138 			 * input (offset 0x7E).
2139 			 */
2140 
2141 			/* PCM Playback monitoring, offsets 0x40..0x5E */
2142 			for(i = 0; i < 16; i++)
2143 				EFX_COPY(FX2(i), FX(i));
2144 
2145 			/* Copy of all inputs, offsets 0x60..0x7E */
2146 			for(i = 0; i < 16; i++)
2147 				EFX_COPY(FX2(i+16), INP(i));
2148 #if 0
2149 			/* XXX Audigy seems to work correct and does not need this */
2150 			/* sync data (0xc0de), offset 0x7E */
2151 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2152 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
2153 			EFX_COPY(FX2(31), GPR(sc->dummy_gpr));
2154 #endif
2155 		} /* mch_rec */
2156 	}
2157 
2158 	sc->routing_code_end = pc;
2159 
2160 	/* start DSP */
2161 	if (sc->is_emu10k1) {
2162 		emu_wrptr(sc, 0, EMU_DBG, 0);
2163 	} else {
2164 		emu_wrptr(sc, 0, EMU_A_DBG, 0);
2165 	}
2166 }
2167 
2168 /* /dev/em10kx */
2169 static d_open_t		emu10kx_open;
2170 static d_close_t	emu10kx_close;
2171 static d_read_t		emu10kx_read;
2172 
2173 static struct cdevsw emu10kx_cdevsw = {
2174 	.d_open = 	emu10kx_open,
2175 	.d_close =	emu10kx_close,
2176 	.d_read = 	emu10kx_read,
2177 	.d_name = 	"emu10kx",
2178 	.d_version = 	D_VERSION,
2179 };
2180 
2181 static int
2182 emu10kx_open(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2183 {
2184 	int error;
2185 	struct emu_sc_info *sc;
2186 
2187 	sc = i_dev->si_drv1;
2188 	mtx_lock(&sc->emu10kx_lock);
2189 	if (sc->emu10kx_isopen) {
2190 		mtx_unlock(&sc->emu10kx_lock);
2191 		return (EBUSY);
2192 	}
2193 	sc->emu10kx_isopen = 1;
2194 	mtx_unlock(&sc->emu10kx_lock);
2195 	if (sbuf_new(&sc->emu10kx_sbuf, NULL, 4096, 0) == NULL) {
2196 		error = ENXIO;
2197 		goto out;
2198 	}
2199 	sc->emu10kx_bufptr = 0;
2200 	error = (emu10kx_prepare(sc, &sc->emu10kx_sbuf) > 0) ? 0 : ENOMEM;
2201 out:
2202 	if (error) {
2203 		mtx_lock(&sc->emu10kx_lock);
2204 		sc->emu10kx_isopen = 0;
2205 		mtx_unlock(&sc->emu10kx_lock);
2206 	}
2207 	return (error);
2208 }
2209 
2210 static int
2211 emu10kx_close(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2212 {
2213 	struct emu_sc_info *sc;
2214 
2215 	sc = i_dev->si_drv1;
2216 
2217 	mtx_lock(&sc->emu10kx_lock);
2218 	if (!(sc->emu10kx_isopen)) {
2219 		mtx_unlock(&sc->emu10kx_lock);
2220 		return (EBADF);
2221 	}
2222 	sbuf_delete(&sc->emu10kx_sbuf);
2223 	sc->emu10kx_isopen = 0;
2224 	mtx_unlock(&sc->emu10kx_lock);
2225 
2226 	return (0);
2227 }
2228 
2229 static int
2230 emu10kx_read(struct cdev *i_dev, struct uio *buf, int flag __unused)
2231 {
2232 	int l, err;
2233 	struct emu_sc_info *sc;
2234 
2235 	sc = i_dev->si_drv1;
2236 	mtx_lock(&sc->emu10kx_lock);
2237 	if (!(sc->emu10kx_isopen)) {
2238 		mtx_unlock(&sc->emu10kx_lock);
2239 		return (EBADF);
2240 	}
2241 	mtx_unlock(&sc->emu10kx_lock);
2242 
2243 	l = min(buf->uio_resid, sbuf_len(&sc->emu10kx_sbuf) - sc->emu10kx_bufptr);
2244 	err = (l > 0) ? uiomove(sbuf_data(&sc->emu10kx_sbuf) + sc->emu10kx_bufptr, l, buf) : 0;
2245 	sc->emu10kx_bufptr += l;
2246 
2247 	return (err);
2248 }
2249 
2250 static int
2251 emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s)
2252 {
2253 	int i;
2254 
2255 	sbuf_printf(s, "FreeBSD EMU10Kx Audio Driver\n");
2256 	sbuf_printf(s, "\nHardware resource usage:\n");
2257 	sbuf_printf(s, "DSP General Purpose Registers: %d used, %d total\n", sc->rm->num_used, sc->rm->num_gprs);
2258 	sbuf_printf(s, "DSP Instruction Registers: %d used, %d total\n", sc->routing_code_end, sc->code_size);
2259 	sbuf_printf(s, "Card supports");
2260 	if (sc->has_ac97) {
2261 		sbuf_printf(s, " AC97 codec");
2262 	} else {
2263 		sbuf_printf(s, " NO AC97 codec");
2264 	}
2265 	if (sc->has_51) {
2266 		if (sc->has_71)
2267 			sbuf_printf(s, " and 7.1 output");
2268 		else
2269 			sbuf_printf(s, " and 5.1 output");
2270 	}
2271 	if (sc->is_emu10k1)
2272 		sbuf_printf(s, ", SBLive! DSP code");
2273 	if (sc->is_emu10k2)
2274 		sbuf_printf(s, ", Audigy DSP code");
2275 	if (sc->is_ca0102)
2276 		sbuf_printf(s, ", Audigy DSP code with Audigy2 hacks");
2277 	if (sc->is_ca0108)
2278 		sbuf_printf(s, ", Audigy DSP code with Audigy2Value hacks");
2279 	sbuf_printf(s, "\n");
2280 	if (sc->broken_digital)
2281 		sbuf_printf(s, "Digital mode unsupported\n");
2282 	sbuf_printf(s, "\nInstalled devices:\n");
2283 	for (i = 0; i < RT_COUNT; i++)
2284 		if (sc->pcm[i] != NULL)
2285 			if (device_is_attached(sc->pcm[i])) {
2286 				sbuf_printf(s, "%s on %s\n", device_get_desc(sc->pcm[i]), device_get_nameunit(sc->pcm[i]));
2287 			}
2288 	if (sc->midi[0] != NULL)
2289 		if (device_is_attached(sc->midi[0])) {
2290 			sbuf_printf(s, "EMU10Kx MIDI Interface\n");
2291 			sbuf_printf(s, "\tOn-card connector on %s\n", device_get_nameunit(sc->midi[0]));
2292 		}
2293 	if (sc->midi[1] != NULL)
2294 		if (device_is_attached(sc->midi[1])) {
2295 			sbuf_printf(s, "\tOn-Drive connector on %s\n", device_get_nameunit(sc->midi[1]));
2296 		}
2297 	if (sc->midi[0] != NULL)
2298 		if (device_is_attached(sc->midi[0])) {
2299 			sbuf_printf(s, "\tIR receiver MIDI events %s\n", sc->enable_ir ? "enabled" : "disabled");
2300 		}
2301 	sbuf_printf(s, "Card is in %s mode\n", (sc->mode == MODE_ANALOG) ? "analog" : "digital");
2302 
2303 	sbuf_finish(s);
2304 	return (sbuf_len(s));
2305 }
2306 
2307 /* INIT & UNINIT */
2308 static int
2309 emu10kx_dev_init(struct emu_sc_info *sc)
2310 {
2311 	int unit;
2312 
2313 	mtx_init(&sc->emu10kx_lock, device_get_nameunit(sc->dev), "kxdevlock", 0);
2314 	unit = device_get_unit(sc->dev);
2315 
2316 	sc->cdev = make_dev(&emu10kx_cdevsw, PCMMINOR(unit), UID_ROOT, GID_WHEEL, 0640, "emu10kx%d", unit);
2317 	if (sc->cdev != NULL) {
2318 		sc->cdev->si_drv1 = sc;
2319 		return (0);
2320 	}
2321 	return (ENXIO);
2322 }
2323 
2324 static int
2325 emu10kx_dev_uninit(struct emu_sc_info *sc)
2326 {
2327 	mtx_lock(&sc->emu10kx_lock);
2328 	if (sc->emu10kx_isopen) {
2329 		mtx_unlock(&sc->emu10kx_lock);
2330 		return (EBUSY);
2331 	}
2332 	if (sc->cdev)
2333 		destroy_dev(sc->cdev);
2334 	sc->cdev = NULL;
2335 
2336 	mtx_destroy(&sc->emu10kx_lock);
2337 	return (0);
2338 }
2339 
2340 /* resource manager */
2341 int
2342 emu_rm_init(struct emu_sc_info *sc)
2343 {
2344 	int i;
2345 	int maxcount;
2346 	struct emu_rm *rm;
2347 
2348 	rm = malloc(sizeof(struct emu_rm), M_DEVBUF, M_NOWAIT | M_ZERO);
2349 	if (rm == NULL) {
2350 		return (ENOMEM);
2351 	}
2352 	sc->rm = rm;
2353 	rm->card = sc;
2354 	maxcount = sc->num_gprs;
2355 	rm->num_used = 0;
2356 	mtx_init(&(rm->gpr_lock), device_get_nameunit(sc->dev), "gpr alloc", MTX_DEF);
2357 	rm->num_gprs = (maxcount < EMU_MAX_GPR ? maxcount : EMU_MAX_GPR);
2358 	for (i = 0; i < rm->num_gprs; i++)
2359 		rm->allocmap[i] = 0;
2360 	/* pre-allocate gpr[0] */
2361 	rm->allocmap[0] = 1;
2362 	rm->last_free_gpr = 1;
2363 
2364 	return (0);
2365 }
2366 
2367 int
2368 emu_rm_uninit(struct emu_sc_info *sc)
2369 {
2370 	int i;
2371 
2372 	if (sc->dbg_level > 1) {
2373 		mtx_lock(&(sc->rm->gpr_lock));
2374 		for (i = 1; i < sc->rm->last_free_gpr; i++)
2375 			if (sc->rm->allocmap[i] > 0)
2376 				device_printf(sc->dev, "rm: gpr %d not free before uninit\n", i);
2377 		mtx_unlock(&(sc->rm->gpr_lock));
2378 	}
2379 
2380 	mtx_destroy(&(sc->rm->gpr_lock));
2381 	free(sc->rm, M_DEVBUF);
2382 	return (0);
2383 }
2384 
2385 static int
2386 emu_rm_gpr_alloc(struct emu_rm *rm, int count)
2387 {
2388 	int i, j;
2389 	int allocated_gpr;
2390 
2391 	allocated_gpr = rm->num_gprs;
2392 	/* try fast way first */
2393 	mtx_lock(&(rm->gpr_lock));
2394 	if (rm->last_free_gpr + count <= rm->num_gprs) {
2395 		allocated_gpr = rm->last_free_gpr;
2396 		rm->last_free_gpr += count;
2397 		rm->allocmap[allocated_gpr] = count;
2398 		for (i = 1; i < count; i++)
2399 			rm->allocmap[allocated_gpr + i] = -(count - i);
2400 	} else {
2401 		/* longer */
2402 		i = 0;
2403 		allocated_gpr = rm->num_gprs;
2404 		while (i < rm->last_free_gpr - count) {
2405 			if (rm->allocmap[i] > 0) {
2406 				i += rm->allocmap[i];
2407 			} else {
2408 				allocated_gpr = i;
2409 				for (j = 1; j < count; j++) {
2410 					if (rm->allocmap[i + j] != 0)
2411 						allocated_gpr = rm->num_gprs;
2412 				}
2413 				if (allocated_gpr == i)
2414 					break;
2415 			}
2416 		}
2417 		if (allocated_gpr + count < rm->last_free_gpr) {
2418 			rm->allocmap[allocated_gpr] = count;
2419 			for (i = 1; i < count; i++)
2420 				rm->allocmap[allocated_gpr + i] = -(count - i);
2421 		}
2422 	}
2423 	if (allocated_gpr == rm->num_gprs)
2424 		allocated_gpr = (-1);
2425 	if (allocated_gpr >= 0)
2426 		rm->num_used += count;
2427 	mtx_unlock(&(rm->gpr_lock));
2428 	return (allocated_gpr);
2429 }
2430 
2431 /* mixer */
2432 void
2433 emumix_set_mode(struct emu_sc_info *sc, int mode)
2434 {
2435 	uint32_t a_iocfg;
2436 	uint32_t hcfg;
2437 	uint32_t tmp;
2438 
2439 	switch (mode) {
2440 	case MODE_DIGITAL:
2441 		/* FALLTHROUGH */
2442 	case MODE_ANALOG:
2443 		break;
2444 	default:
2445 		return;
2446 	}
2447 
2448 	hcfg = EMU_HCFG_AUDIOENABLE | EMU_HCFG_AUTOMUTE;
2449 	a_iocfg = 0;
2450 
2451 	if (sc->rev >= 6)
2452 		hcfg |= EMU_HCFG_JOYENABLE;
2453 
2454 	if (sc->is_emu10k1)
2455 		hcfg |= EMU_HCFG_LOCKTANKCACHE_MASK;
2456 	else
2457 		hcfg |= EMU_HCFG_CODECFMT_I2S | EMU_HCFG_JOYENABLE;
2458 
2459 	if (mode == MODE_DIGITAL) {
2460 		if (sc->broken_digital) {
2461 			device_printf(sc->dev, "Digital mode is reported as broken on this card.\n");
2462 		}
2463 		a_iocfg |= EMU_A_IOCFG_GPOUT1;
2464 		hcfg |= EMU_HCFG_GPOUT0;
2465 	}
2466 
2467 	if (mode == MODE_ANALOG)
2468 		emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2469 
2470 	if (sc->is_emu10k2)
2471 		a_iocfg |= 0x80; /* XXX */
2472 
2473 	if ((sc->is_ca0102) || (sc->is_ca0108))
2474 		/*
2475 		 * Setting EMU_A_IOCFG_DISABLE_ANALOG will do opposite things
2476 		 * on diffrerent cards.
2477 		 * "don't disable analog outs" on Audigy 2 (ca0102/ca0108)
2478 		 * "disable analog outs" on Audigy (emu10k2)
2479 		 */
2480 		a_iocfg |= EMU_A_IOCFG_DISABLE_ANALOG;
2481 
2482 	if (sc->is_ca0108)
2483 		a_iocfg |= 0x20; /* XXX */
2484 
2485 	/* Mute analog center & subwoofer before mode change */
2486 	if (mode == MODE_DIGITAL)
2487 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 1);
2488 
2489 	emu_wr(sc, EMU_HCFG, hcfg, 4);
2490 
2491 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2492 		tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2493 		tmp = a_iocfg;
2494 		emu_wr(sc, EMU_A_IOCFG, tmp, 2);
2495 	}
2496 
2497 	/* Unmute if we have changed mode to analog. */
2498 
2499 	if (mode == MODE_ANALOG)
2500 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 0);
2501 
2502 	sc->mode = mode;
2503 }
2504 
2505 void
2506 emumix_set_spdif_mode(struct emu_sc_info *sc, int mode)
2507 {
2508 	uint32_t spcs;
2509 
2510 	switch (mode) {
2511 	case SPDIF_MODE_PCM:
2512 		break;
2513 	case SPDIF_MODE_AC3:
2514 		device_printf(sc->dev, "AC3 mode does not work and disabled\n");
2515 		return;
2516 	default:
2517 		return;
2518 	}
2519 
2520 	spcs = EMU_SPCS_CLKACCY_1000PPM | EMU_SPCS_SAMPLERATE_48 |
2521 	    EMU_SPCS_CHANNELNUM_LEFT | EMU_SPCS_SOURCENUM_UNSPEC |
2522 	    EMU_SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
2523 	    EMU_SPCS_EMPHASIS_NONE | EMU_SPCS_COPYRIGHT;
2524 
2525 	mode = SPDIF_MODE_PCM;
2526 
2527 	emu_wrptr(sc, 0, EMU_SPCS0, spcs);
2528 	emu_wrptr(sc, 0, EMU_SPCS1, spcs);
2529 	emu_wrptr(sc, 0, EMU_SPCS2, spcs);
2530 }
2531 
2532 #define	L2L_POINTS	10
2533 
2534 static int l2l_df[L2L_POINTS] = {
2535 	0x572C5CA,		/* 100..90 */
2536 	0x3211625,		/* 90..80 */
2537 	0x1CC1A76,		/* 80..70 */
2538 	0x108428F,		/* 70..60 */
2539 	0x097C70A,		/* 60..50 */
2540 	0x0572C5C,		/* 50..40 */
2541 	0x0321162,		/* 40..30 */
2542 	0x01CC1A7,		/* 30..20 */
2543 	0x0108428,		/* 20..10 */
2544 	0x016493D		/* 10..0 */
2545 };
2546 
2547 static int l2l_f[L2L_POINTS] = {
2548 	0x4984461A,		/* 90 */
2549 	0x2A3968A7,		/* 80 */
2550 	0x18406003,		/* 70 */
2551 	0x0DEDC66D,		/* 60 */
2552 	0x07FFFFFF,		/* 50 */
2553 	0x04984461,		/* 40 */
2554 	0x02A3968A,		/* 30 */
2555 	0x01840600,		/* 20 */
2556 	0x00DEDC66,		/* 10 */
2557 	0x00000000		/* 0 */
2558 };
2559 
2560 static int
2561 log2lin(int log_t)
2562 {
2563 	int lin_t;
2564 	int idx, lin;
2565 
2566 	if (log_t <= 0) {
2567 		lin_t = 0x00000000;
2568 		return (lin_t);
2569 	}
2570 
2571 	if (log_t >= 100) {
2572 		lin_t = 0x7fffffff;
2573 		return (lin_t);
2574 	}
2575 
2576 	idx = (L2L_POINTS - 1) - log_t / (L2L_POINTS);
2577 	lin = log_t % (L2L_POINTS);
2578 	lin_t = l2l_df[idx] * lin + l2l_f[idx];
2579 	return (lin_t);
2580 }
2581 
2582 void
2583 emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol)
2584 {
2585 
2586 	vol = log2lin(vol);
2587 	emumix_set_gpr(sc, gpr, vol);
2588 }
2589 
2590 void
2591 emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val)
2592 {
2593 	if (sc->dbg_level > 1)
2594 		if (gpr == 0) {
2595 			device_printf(sc->dev, "Zero gpr write access\n");
2596 #ifdef KDB
2597 			kdb_backtrace();
2598 #endif
2599 			return;
2600 			}
2601 
2602 	emu_wrptr(sc, 0, GPR(gpr), val);
2603 }
2604 
2605 void
2606 emumix_set_volume(struct emu_sc_info *sc, int mixer_idx, int volume)
2607 {
2608 
2609 	RANGE(volume, 0, 100);
2610 	if (mixer_idx < NUM_MIXERS) {
2611 		sc->mixer_volcache[mixer_idx] = volume;
2612 		emumix_set_fxvol(sc, sc->mixer_gpr[mixer_idx], volume);
2613 	}
2614 }
2615 
2616 int
2617 emumix_get_volume(struct emu_sc_info *sc, int mixer_idx)
2618 {
2619 	if ((mixer_idx < NUM_MIXERS) && (mixer_idx >= 0))
2620 		return (sc->mixer_volcache[mixer_idx]);
2621 	return (-1);
2622 }
2623 
2624 /* Init CardBus part */
2625 static int
2626 emu_cardbus_init(struct emu_sc_info *sc)
2627 {
2628 
2629 	/*
2630 	 * XXX May not need this if we have EMU_IPR3 handler.
2631 	 * Is it a real init calls, or EMU_IPR3 interrupt acknowledgments?
2632 	 * Looks much like "(data << 16) | register".
2633 	 */
2634 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0000);
2635 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0001);
2636 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x005f);
2637 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x007f);
2638 
2639 	emu_wr_cbptr(sc, (0x0090 << 16) | 0x007f);
2640 
2641 	return (0);
2642 }
2643 
2644 /* Probe and attach the card */
2645 static int
2646 emu_init(struct emu_sc_info *sc)
2647 {
2648 	uint32_t ch, tmp;
2649 	uint32_t spdif_sr;
2650 	uint32_t ac97slot;
2651 	int def_mode;
2652 	int i;
2653 
2654 	/* disable audio and lock cache */
2655 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2656 
2657 	/* reset recording buffers */
2658 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2659 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2660 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2661 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2662 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2663 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2664 
2665 	/* disable channel interrupt */
2666 	emu_wr(sc, EMU_INTE, EMU_INTE_INTERTIMERENB | EMU_INTE_SAMPLERATER | EMU_INTE_PCIERRENABLE, 4);
2667 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2668 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2669 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2670 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2671 
2672 	/* disable P16V and S/PDIF interrupts */
2673 	if ((sc->is_ca0102) || (sc->is_ca0108))
2674 		emu_wr(sc, EMU_INTE2, 0, 4);
2675 
2676 	if (sc->is_ca0102)
2677 		emu_wr(sc, EMU_INTE3, 0, 4);
2678 
2679 	/* init phys inputs and outputs */
2680 	ac97slot = 0;
2681 	if (sc->has_51)
2682 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE;
2683 	if (sc->has_71)
2684 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE | EMU_AC97SLOT_REAR_LEFT | EMU_AC97SLOT_REAR_RIGHT;
2685 	if (sc->is_emu10k2)
2686 		ac97slot |= 0x40;
2687 	emu_wrptr(sc, 0, EMU_AC97SLOT, ac97slot);
2688 
2689 	if (sc->is_emu10k2)	/* XXX for later cards? */
2690 		emu_wrptr(sc, 0, EMU_SPBYPASS, 0xf00);	/* What will happen if
2691 							 * we write 1 here? */
2692 
2693 	if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(sc->dev),
2694 	     /* alignment */ 2, /* boundary */ 0,
2695 	     /* lowaddr */ (1U << 31) - 1,	/* can only access 0-2gb */
2696 	     /* highaddr */ BUS_SPACE_MAXADDR,
2697 	     /* filter */ NULL, /* filterarg */ NULL,
2698 	     /* maxsize */ EMU_MAX_BUFSZ, /* nsegments */ 1, /* maxsegz */ 0x3ffff,
2699 	     /* flags */ 0, /* lockfunc */NULL, /* lockarg */NULL,
2700 	     &sc->mem.dmat) != 0) {
2701 		device_printf(sc->dev, "unable to create dma tag\n");
2702 		bus_dma_tag_destroy(sc->mem.dmat);
2703 		return (ENOMEM);
2704 	}
2705 
2706 	sc->mem.card = sc;
2707 	SLIST_INIT(&sc->mem.blocks);
2708 	sc->mem.ptb_pages = emu_malloc(&sc->mem, EMU_MAXPAGES * sizeof(uint32_t), &sc->mem.ptb_pages_addr, &sc->mem.ptb_map);
2709 	if (sc->mem.ptb_pages == NULL)
2710 		return (ENOMEM);
2711 
2712 	sc->mem.silent_page = emu_malloc(&sc->mem, EMUPAGESIZE, &sc->mem.silent_page_addr, &sc->mem.silent_map);
2713 	if (sc->mem.silent_page == NULL) {
2714 		emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2715 		return (ENOMEM);
2716 	}
2717 	/* Clear page with silence & setup all pointers to this page */
2718 	bzero(sc->mem.silent_page, EMUPAGESIZE);
2719 	tmp = (uint32_t) (sc->mem.silent_page_addr) << 1;
2720 	for (i = 0; i < EMU_MAXPAGES; i++)
2721 		sc->mem.ptb_pages[i] = tmp | i;
2722 
2723 	for (ch = 0; ch < NUM_G; ch++) {
2724 		emu_wrptr(sc, ch, EMU_CHAN_MAPA, tmp | EMU_CHAN_MAP_PTI_MASK);
2725 		emu_wrptr(sc, ch, EMU_CHAN_MAPB, tmp | EMU_CHAN_MAP_PTI_MASK);
2726 	}
2727 	emu_wrptr(sc, 0, EMU_PTB, (sc->mem.ptb_pages_addr));
2728 	emu_wrptr(sc, 0, EMU_TCB, 0);	/* taken from original driver */
2729 	emu_wrptr(sc, 0, EMU_TCBS, 0);	/* taken from original driver */
2730 
2731 	/* init envelope engine */
2732 	for (ch = 0; ch < NUM_G; ch++) {
2733 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2734 		emu_wrptr(sc, ch, EMU_CHAN_IP, 0);
2735 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
2736 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0xffff);
2737 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2738 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2739 		emu_wrptr(sc, ch, EMU_CHAN_CCR, 0);
2740 
2741 		emu_wrptr(sc, ch, EMU_CHAN_PSST, 0);
2742 		emu_wrptr(sc, ch, EMU_CHAN_DSL, 0x10);
2743 		emu_wrptr(sc, ch, EMU_CHAN_CCCA, 0);
2744 		emu_wrptr(sc, ch, EMU_CHAN_Z1, 0);
2745 		emu_wrptr(sc, ch, EMU_CHAN_Z2, 0);
2746 		emu_wrptr(sc, ch, EMU_CHAN_FXRT, 0xd01c0000);
2747 
2748 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDM, 0);
2749 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSM, 0);
2750 		emu_wrptr(sc, ch, EMU_CHAN_IFATN, 0xffff);
2751 		emu_wrptr(sc, ch, EMU_CHAN_PEFE, 0);
2752 		emu_wrptr(sc, ch, EMU_CHAN_FMMOD, 0);
2753 		emu_wrptr(sc, ch, EMU_CHAN_TREMFRQ, 24);	/* 1 Hz */
2754 		emu_wrptr(sc, ch, EMU_CHAN_FM2FRQ2, 24);	/* 1 Hz */
2755 		emu_wrptr(sc, ch, EMU_CHAN_TEMPENV, 0);
2756 
2757 		/*** these are last so OFF prevents writing ***/
2758 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL2, 0);
2759 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL1, 0);
2760 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDV, 0);
2761 		emu_wrptr(sc, ch, EMU_CHAN_ENVVOL, 0);
2762 		emu_wrptr(sc, ch, EMU_CHAN_ENVVAL, 0);
2763 
2764 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2765 			emu_wrptr(sc, ch, 0x4c, 0x0);
2766 			emu_wrptr(sc, ch, 0x4d, 0x0);
2767 			emu_wrptr(sc, ch, 0x4e, 0x0);
2768 			emu_wrptr(sc, ch, 0x4f, 0x0);
2769 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT1, 0x3f3f3f3f);
2770 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT2, 0x3f3f3f3f);
2771 			emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0x0);
2772 		}
2773 	}
2774 
2775 	emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2776 
2777 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2778 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, EMU_A_SPDIF_48000);
2779 
2780 	/*
2781 	 * CAxxxx cards needs additional setup:
2782 	 * 1. Set I2S capture sample rate to 96000
2783 	 * 2. Disable P16v / P17v proceesing
2784 	 * 3. Allow EMU10K DSP inputs
2785 	 */
2786 	if ((sc->is_ca0102) || (sc->is_ca0108)) {
2787 		spdif_sr = emu_rdptr(sc, 0, EMU_A_SPDIF_SAMPLERATE);
2788 		spdif_sr &= 0xfffff1ff;
2789 		spdif_sr |= EMU_A_I2S_CAPTURE_96000;
2790 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, spdif_sr);
2791 
2792 		/* Disable P16v processing */
2793 		emu_wr_p16vptr(sc, 0, EMU_A2_SRCSel, 0x14);
2794 
2795 		/* Setup P16v/P17v sound routing */
2796 		if (sc->is_ca0102)
2797 			emu_wr_p16vptr(sc, 0, EMU_A2_SRCMULTI_ENABLE, 0xFF00FF00);
2798 		else {
2799 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_I2S_ENABLE, 0xFF000000);
2800 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_SPDIF_ENABLE, 0xFF000000);
2801 
2802 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2803 			emu_wr(sc, EMU_A_IOCFG, tmp & ~0x8, 2);
2804 		}
2805 	}
2806 	emu_initefx(sc);
2807 
2808 	def_mode = MODE_ANALOG;
2809 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2810 		def_mode = MODE_DIGITAL;
2811 	if (((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) && (sc->broken_digital)) {
2812 		device_printf(sc->dev, "Audigy card initialized in analog mode.\n");
2813 		def_mode = MODE_ANALOG;
2814 	}
2815 	emumix_set_mode(sc, def_mode);
2816 
2817 	if (bootverbose) {
2818 		tmp = emu_rd(sc, EMU_HCFG, 4);
2819 		device_printf(sc->dev, "Card Configuration (   0x%08x )\n", tmp);
2820 		device_printf(sc->dev, "Card Configuration ( & 0xff000000 ) : %s%s%s%s%s%s%s%s\n",
2821 		    (tmp & 0x80000000 ? "[Legacy MPIC] " : ""),
2822 		    (tmp & 0x40000000 ? "[0x40] " : ""),
2823 		    (tmp & 0x20000000 ? "[0x20] " : ""),
2824 		    (tmp & 0x10000000 ? "[0x10] " : ""),
2825 		    (tmp & 0x08000000 ? "[0x08] " : ""),
2826 		    (tmp & 0x04000000 ? "[0x04] " : ""),
2827 		    (tmp & 0x02000000 ? "[0x02] " : ""),
2828 		    (tmp & 0x01000000 ? "[0x01]" : " "));
2829 		device_printf(sc->dev, "Card Configuration ( & 0x00ff0000 ) : %s%s%s%s%s%s%s%s\n",
2830 		    (tmp & 0x00800000 ? "[0x80] " : ""),
2831 		    (tmp & 0x00400000 ? "[0x40] " : ""),
2832 		    (tmp & 0x00200000 ? "[Legacy INT] " : ""),
2833 		    (tmp & 0x00100000 ? "[0x10] " : ""),
2834 		    (tmp & 0x00080000 ? "[0x08] " : ""),
2835 		    (tmp & 0x00040000 ? "[Codec4] " : ""),
2836 		    (tmp & 0x00020000 ? "[Codec2] " : ""),
2837 		    (tmp & 0x00010000 ? "[I2S Codec]" : " "));
2838 		device_printf(sc->dev, "Card Configuration ( & 0x0000ff00 ) : %s%s%s%s%s%s%s%s\n",
2839 		    (tmp & 0x00008000 ? "[0x80] " : ""),
2840 		    (tmp & 0x00004000 ? "[GPINPUT0] " : ""),
2841 		    (tmp & 0x00002000 ? "[GPINPUT1] " : ""),
2842 		    (tmp & 0x00001000 ? "[GPOUT0] " : ""),
2843 		    (tmp & 0x00000800 ? "[GPOUT1] " : ""),
2844 		    (tmp & 0x00000400 ? "[GPOUT2] " : ""),
2845 		    (tmp & 0x00000200 ? "[Joystick] " : ""),
2846 		    (tmp & 0x00000100 ? "[0x01]" : " "));
2847 		device_printf(sc->dev, "Card Configuration ( & 0x000000ff ) : %s%s%s%s%s%s%s%s\n",
2848 		    (tmp & 0x00000080 ? "[0x80] " : ""),
2849 		    (tmp & 0x00000040 ? "[0x40] " : ""),
2850 		    (tmp & 0x00000020 ? "[0x20] " : ""),
2851 		    (tmp & 0x00000010 ? "[AUTOMUTE] " : ""),
2852 		    (tmp & 0x00000008 ? "[LOCKSOUNDCACHE] " : ""),
2853 		    (tmp & 0x00000004 ? "[LOCKTANKCACHE] " : ""),
2854 		    (tmp & 0x00000002 ? "[MUTEBUTTONENABLE] " : ""),
2855 		    (tmp & 0x00000001 ? "[AUDIOENABLE]" : " "));
2856 
2857 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2858 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2859 			device_printf(sc->dev, "Audigy Card Configuration (    0x%04x )\n", tmp);
2860 			device_printf(sc->dev, "Audigy Card Configuration (  & 0xff00 )");
2861 			printf(" : %s%s%s%s%s%s%s%s\n",
2862 			    (tmp & 0x8000 ? "[Rear Speakers] " : ""),
2863 			    (tmp & 0x4000 ? "[Front Speakers] " : ""),
2864 			    (tmp & 0x2000 ? "[0x20] " : ""),
2865 			    (tmp & 0x1000 ? "[0x10] " : ""),
2866 			    (tmp & 0x0800 ? "[0x08] " : ""),
2867 			    (tmp & 0x0400 ? "[0x04] " : ""),
2868 			    (tmp & 0x0200 ? "[0x02] " : ""),
2869 			    (tmp & 0x0100 ? "[AudigyDrive Phones]" : " "));
2870 			device_printf(sc->dev, "Audigy Card Configuration (  & 0x00ff )");
2871 			printf(" : %s%s%s%s%s%s%s%s\n",
2872 			    (tmp & 0x0080 ? "[0x80] " : ""),
2873 			    (tmp & 0x0040 ? "[Mute AnalogOut] " : ""),
2874 			    (tmp & 0x0020 ? "[0x20] " : ""),
2875 			    (tmp & 0x0010 ? "[0x10] " : ""),
2876 			    (tmp & 0x0008 ? "[0x08] " : ""),
2877 			    (tmp & 0x0004 ? "[GPOUT0] " : ""),
2878 			    (tmp & 0x0002 ? "[GPOUT1] " : ""),
2879 			    (tmp & 0x0001 ? "[GPOUT2]" : " "));
2880 		}		/* is_emu10k2 or ca* */
2881 	}			/* bootverbose */
2882 	return (0);
2883 }
2884 
2885 static int
2886 emu_uninit(struct emu_sc_info *sc)
2887 {
2888 	uint32_t ch;
2889 	struct emu_memblk *blk;
2890 
2891 	emu_wr(sc, EMU_INTE, 0, 4);
2892 	for (ch = 0; ch < NUM_G; ch++)
2893 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2894 	for (ch = 0; ch < NUM_G; ch++) {
2895 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
2896 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0);
2897 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2898 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2899 	}
2900 
2901 	/* disable audio and lock cache */
2902 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2903 
2904 	emu_wrptr(sc, 0, EMU_PTB, 0);
2905 	/* reset recording buffers */
2906 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2907 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2908 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2909 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2910 	emu_wrptr(sc, 0, EMU_FXWC, 0);
2911 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2912 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2913 	emu_wrptr(sc, 0, EMU_TCB, 0);
2914 	emu_wrptr(sc, 0, EMU_TCBS, 0);
2915 
2916 	/* disable channel interrupt */
2917 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2918 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2919 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2920 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2921 
2922 	if (!SLIST_EMPTY(&sc->mem.blocks))
2923 		device_printf(sc->dev, "warning: memblock list not empty\n");
2924 
2925 	SLIST_FOREACH(blk, &sc->mem.blocks, link)
2926 		if (blk != NULL)
2927 		device_printf(sc->dev, "lost %d for %s\n", blk->pte_size, blk->owner);
2928 
2929 	emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2930 	emu_free(&sc->mem, sc->mem.silent_page, sc->mem.silent_map);
2931 
2932 	return (0);
2933 }
2934 
2935 static int
2936 emu_read_ivar(device_t bus, device_t dev, int ivar_index, uintptr_t * result)
2937 {
2938 	struct sndcard_func *func = device_get_ivars(dev);
2939 	struct emu_sc_info *sc = device_get_softc(bus);
2940 
2941 	if (func==NULL)
2942 		return (ENOMEM);
2943 	if (sc == NULL)
2944 		return (ENOMEM);
2945 
2946 	switch (ivar_index) {
2947 	case EMU_VAR_FUNC:
2948 		*result = func->func;
2949 		break;
2950 	case EMU_VAR_ROUTE:
2951 		if (func->varinfo == NULL)
2952 			return (ENOMEM);
2953 		*result = ((struct emu_pcminfo *)func->varinfo)->route;
2954 		break;
2955 	case EMU_VAR_ISEMU10K1:
2956 		*result = sc->is_emu10k1;
2957 		break;
2958 	case EMU_VAR_MCH_DISABLED:
2959 		*result = sc->mch_disabled;
2960 		break;
2961 	case EMU_VAR_MCH_REC:
2962 		*result = sc->mch_rec;
2963 		break;
2964 	default:
2965 		return (ENOENT);
2966 	}
2967 
2968 	return (0);
2969 }
2970 
2971 static int
2972 emu_write_ivar(device_t bus __unused, device_t dev __unused,
2973     int ivar_index, uintptr_t value __unused)
2974 {
2975 
2976 	switch (ivar_index) {
2977 		case 0:
2978 		return (EINVAL);
2979 
2980 	default:
2981 		return (ENOENT);
2982 	}
2983 }
2984 
2985 static int
2986 emu_pci_probe(device_t dev)
2987 {
2988 	struct sbuf *s;
2989 	unsigned int thiscard = 0;
2990 	uint16_t vendor;
2991 
2992 	vendor = pci_read_config(dev, PCIR_DEVVENDOR, /* bytes */ 2);
2993 	if (vendor != 0x1102)
2994 		return (ENXIO);	/* Not Creative */
2995 
2996 	thiscard = emu_getcard(dev);
2997 	if (thiscard == 0)
2998 		return (ENXIO);
2999 
3000 	s = sbuf_new(NULL, NULL, 4096, 0);
3001 	if (s == NULL)
3002 		return (ENOMEM);
3003 	sbuf_printf(s, "Creative %s [%s]", emu_cards[thiscard].desc, emu_cards[thiscard].SBcode);
3004 	sbuf_finish(s);
3005 
3006 	device_set_desc_copy(dev, sbuf_data(s));
3007 
3008 	sbuf_delete(s);
3009 
3010 	return (BUS_PROBE_DEFAULT);
3011 }
3012 
3013 static int
3014 emu_pci_attach(device_t dev)
3015 {
3016 	struct sndcard_func *func;
3017 	struct emu_sc_info *sc;
3018 	struct emu_pcminfo *pcminfo;
3019 #if 0
3020 	struct emu_midiinfo *midiinfo;
3021 #endif
3022 	int i;
3023 	int device_flags;
3024 	char status[255];
3025 	int error = ENXIO;
3026 	int unit;
3027 
3028 	sc = device_get_softc(dev);
3029 	unit = device_get_unit(dev);
3030 
3031 	/* Get configuration */
3032 
3033 	sc->ctx = device_get_sysctl_ctx(dev);
3034 	if (sc->ctx == NULL)
3035 		goto bad;
3036 	sc->root = device_get_sysctl_tree(dev);
3037 	if (sc->root == NULL)
3038 		goto bad;
3039 
3040 	if (resource_int_value("emu10kx", unit, "multichannel_disabled", &(sc->mch_disabled)))
3041 		RANGE(sc->mch_disabled, 0, 1);
3042 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3043 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3044             OID_AUTO, "multichannel_disabled", CTLFLAG_RD, &(sc->mch_disabled), 0, "Multichannel playback setting");
3045 
3046 	if (resource_int_value("emu10kx", unit, "multichannel_recording", &(sc->mch_rec)))
3047 		RANGE(sc->mch_rec, 0, 1);
3048 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3049 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3050             OID_AUTO, "multichannel_recording", CTLFLAG_RD,  &(sc->mch_rec), 0, "Multichannel recording setting");
3051 
3052 	if (resource_int_value("emu10kx", unit, "debug", &(sc->dbg_level)))
3053 		RANGE(sc->mch_rec, 0, 2);
3054 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3055 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3056             OID_AUTO, "debug", CTLFLAG_RW, &(sc->dbg_level), 0, "Debug level");
3057 
3058 	/* Fill in the softc. */
3059 	mtx_init(&sc->lock, device_get_nameunit(dev), "bridge conf", MTX_DEF);
3060 	mtx_init(&sc->rw, device_get_nameunit(dev), "exclusive io", MTX_DEF);
3061 	sc->dev = dev;
3062 	sc->type = pci_get_devid(dev);
3063 	sc->rev = pci_get_revid(dev);
3064 	sc->enable_ir = 0;
3065 	sc->has_ac97 = 0;
3066 	sc->has_51 = 0;
3067 	sc->has_71 = 0;
3068 	sc->broken_digital = 0;
3069 	sc->is_emu10k1 = 0;
3070 	sc->is_emu10k2 = 0;
3071 	sc->is_ca0102 = 0;
3072 	sc->is_ca0108 = 0;
3073 	sc->is_cardbus = 0;
3074 
3075 	device_flags = emu_cards[emu_getcard(dev)].flags;
3076 	if (device_flags & HAS_51)
3077 		sc->has_51 = 1;
3078 	if (device_flags & HAS_71) {
3079 		sc->has_51 = 1;
3080 		sc->has_71 = 1;
3081 	}
3082 	if (device_flags & IS_EMU10K1)
3083 		sc->is_emu10k1 = 1;
3084 	if (device_flags & IS_EMU10K2)
3085 		sc->is_emu10k2 = 1;
3086 	if (device_flags & IS_CA0102)
3087 		sc->is_ca0102 = 1;
3088 	if (device_flags & IS_CA0108)
3089 		sc->is_ca0108 = 1;
3090 	if ((sc->is_emu10k2) && (sc->rev == 4)) {
3091 		sc->is_emu10k2 = 0;
3092 		sc->is_ca0102 = 1;	/* for unknown Audigy 2 cards */
3093 	}
3094 	if ((sc->is_ca0102 == 1) || (sc->is_ca0108 == 1))
3095 		if (device_flags & IS_CARDBUS)
3096 			sc->is_cardbus = 1;
3097 
3098 	if ((sc->is_emu10k1 + sc->is_emu10k2 + sc->is_ca0102 + sc->is_ca0108) != 1) {
3099 		device_printf(sc->dev, "Unable to detect HW chipset\n");
3100 		goto bad;
3101 	}
3102 	if (device_flags & BROKEN_DIGITAL)
3103 		sc->broken_digital = 1;
3104 	if (device_flags & HAS_AC97)
3105 		sc->has_ac97 = 1;
3106 
3107 	sc->opcode_shift = 0;
3108 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
3109 		sc->opcode_shift = 24;
3110 		sc->high_operand_shift = 12;
3111 
3112 	/*	DSP map				*/
3113 	/*	sc->fx_base = 0x0		*/
3114 		sc->input_base = 0x40;
3115 	/*	sc->p16vinput_base = 0x50;	*/
3116 		sc->output_base = 0x60;
3117 		sc->efxc_base = 0x80;
3118 	/*	sc->output32h_base = 0xa0;	*/
3119 	/*	sc->output32l_base = 0xb0;	*/
3120 		sc->dsp_zero = 0xc0;
3121 	/*	0xe0...0x100 are unknown	*/
3122 	/*	sc->tram_base = 0x200		*/
3123 	/*	sc->tram_addr_base = 0x300	*/
3124 		sc->gpr_base = EMU_A_FXGPREGBASE;
3125 		sc->num_gprs = 0x200;
3126 		sc->code_base = EMU_A_MICROCODEBASE;
3127 		sc->code_size = 0x800 / 2;	/* 0x600-0xdff,  2048 words,
3128 						 * 1024 instructions */
3129 
3130 		sc->mchannel_fx = 8;
3131 		sc->num_fxbuses = 16;
3132 		sc->num_inputs = 8;
3133 		sc->num_outputs = 16;
3134 		sc->address_mask = EMU_A_PTR_ADDR_MASK;
3135 	}
3136 	if (sc->is_emu10k1) {
3137 		sc->has_51 = 0;	/* We don't support 5.1 sound on SB Live! 5.1 */
3138 		sc->opcode_shift = 20;
3139 		sc->high_operand_shift = 10;
3140 		sc->code_base = EMU_MICROCODEBASE;
3141 		sc->code_size = 0x400 / 2;	/* 0x400-0x7ff,  1024 words,
3142 						 * 512 instructions */
3143 		sc->gpr_base = EMU_FXGPREGBASE;
3144 		sc->num_gprs = 0x100;
3145 		sc->input_base = 0x10;
3146 		sc->output_base = 0x20;
3147 		/*
3148 		 * XXX 5.1 Analog outputs are inside efxc address space!
3149 		 * They use output+0x11/+0x12 (=efxc+1/+2).
3150 		 * Don't use this efx registers for recording on SB Live! 5.1!
3151 		 */
3152 		sc->efxc_base = 0x30;
3153 		sc->dsp_zero = 0x40;
3154 		sc->mchannel_fx = 0;
3155 		sc->num_fxbuses = 8;
3156 		sc->num_inputs = 8;
3157 		sc->num_outputs = 16;
3158 		sc->address_mask = EMU_PTR_ADDR_MASK;
3159 	}
3160 	if (sc->opcode_shift == 0)
3161 		goto bad;
3162 
3163 	pci_enable_busmaster(dev);
3164 
3165 	i = PCIR_BAR(0);
3166 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &i, RF_ACTIVE);
3167 	if (sc->reg == NULL) {
3168 		device_printf(dev, "unable to map register space\n");
3169 		goto bad;
3170 	}
3171 	sc->st = rman_get_bustag(sc->reg);
3172 	sc->sh = rman_get_bushandle(sc->reg);
3173 
3174 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
3175 		sc->timer[i] = 0;	/* disable it */
3176 
3177 	i = 0;
3178 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, RF_ACTIVE | RF_SHAREABLE);
3179 	if ((sc->irq == NULL) || bus_setup_intr(dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV,
3180 	    NULL,
3181 	    emu_intr, sc, &sc->ih)) {
3182 		device_printf(dev, "unable to map interrupt\n");
3183 		goto bad;
3184 	}
3185 	if (emu_rm_init(sc) != 0) {
3186 		device_printf(dev, "unable to create resource manager\n");
3187 		goto bad;
3188 	}
3189 	if (sc->is_cardbus)
3190 		if (emu_cardbus_init(sc) != 0) {
3191 			device_printf(dev, "unable to initialize CardBus interface\n");
3192 			goto bad;
3193 		}
3194 	if (emu_init(sc) != 0) {
3195 		device_printf(dev, "unable to initialize the card\n");
3196 		goto bad;
3197 	}
3198 	if (emu10kx_dev_init(sc) != 0) {
3199 		device_printf(dev, "unable to create control device\n");
3200 		goto bad;
3201 	}
3202 	snprintf(status, 255, "rev %d at io 0x%jx irq %jd", sc->rev, rman_get_start(sc->reg), rman_get_start(sc->irq));
3203 
3204 	/* Voices */
3205 	for (i = 0; i < NUM_G; i++) {
3206 		sc->voice[i].vnum = i;
3207 		sc->voice[i].slave = NULL;
3208 		sc->voice[i].busy = 0;
3209 		sc->voice[i].ismaster = 0;
3210 		sc->voice[i].running = 0;
3211 		sc->voice[i].b16 = 0;
3212 		sc->voice[i].stereo = 0;
3213 		sc->voice[i].speed = 0;
3214 		sc->voice[i].start = 0;
3215 		sc->voice[i].end = 0;
3216 	}
3217 
3218 	/* PCM Audio */
3219 	for (i = 0; i < RT_COUNT; i++)
3220 		sc->pcm[i] = NULL;
3221 
3222 	/* FRONT */
3223 	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3224 	if (func == NULL) {
3225 		error = ENOMEM;
3226 		goto bad;
3227 	}
3228 	pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3229 	if (pcminfo == NULL) {
3230 		error = ENOMEM;
3231 		goto bad;
3232 	}
3233 	pcminfo->card = sc;
3234 	pcminfo->route = RT_FRONT;
3235 
3236 	func->func = SCF_PCM;
3237 	func->varinfo = pcminfo;
3238 	sc->pcm[RT_FRONT] = device_add_child(dev, "pcm", -1);
3239 	device_set_ivars(sc->pcm[RT_FRONT], func);
3240 
3241 	if (!(sc->mch_disabled)) {
3242 		/* REAR */
3243 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3244 		if (func == NULL) {
3245 			error = ENOMEM;
3246 			goto bad;
3247 		}
3248 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3249 		if (pcminfo == NULL) {
3250 			error = ENOMEM;
3251 			goto bad;
3252 		}
3253 		pcminfo->card = sc;
3254 		pcminfo->route = RT_REAR;
3255 
3256 		func->func = SCF_PCM;
3257 		func->varinfo = pcminfo;
3258 		sc->pcm[RT_REAR] = device_add_child(dev, "pcm", -1);
3259 		device_set_ivars(sc->pcm[RT_REAR], func);
3260 		if (sc->has_51) {
3261 			/* CENTER */
3262 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3263 			if (func == NULL) {
3264 				error = ENOMEM;
3265 				goto bad;
3266 			}
3267 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3268 			if (pcminfo == NULL) {
3269 				error = ENOMEM;
3270 				goto bad;
3271 			}
3272 			pcminfo->card = sc;
3273 			pcminfo->route = RT_CENTER;
3274 
3275 			func->func = SCF_PCM;
3276 			func->varinfo = pcminfo;
3277 			sc->pcm[RT_CENTER] = device_add_child(dev, "pcm", -1);
3278 			device_set_ivars(sc->pcm[RT_CENTER], func);
3279 			/* SUB */
3280 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3281 			if (func == NULL) {
3282 				error = ENOMEM;
3283 				goto bad;
3284 			}
3285 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3286 			if (pcminfo == NULL) {
3287 				error = ENOMEM;
3288 				goto bad;
3289 			}
3290 			pcminfo->card = sc;
3291 			pcminfo->route = RT_SUB;
3292 
3293 			func->func = SCF_PCM;
3294 			func->varinfo = pcminfo;
3295 			sc->pcm[RT_SUB] = device_add_child(dev, "pcm", -1);
3296 			device_set_ivars(sc->pcm[RT_SUB], func);
3297 		}
3298 		if (sc->has_71) {
3299 			/* SIDE */
3300 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3301 			if (func == NULL) {
3302 				error = ENOMEM;
3303 				goto bad;
3304 			}
3305 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3306 			if (pcminfo == NULL) {
3307 				error = ENOMEM;
3308 				goto bad;
3309 			}
3310 			pcminfo->card = sc;
3311 			pcminfo->route = RT_SIDE;
3312 
3313 			func->func = SCF_PCM;
3314 			func->varinfo = pcminfo;
3315 			sc->pcm[RT_SIDE] = device_add_child(dev, "pcm", -1);
3316 			device_set_ivars(sc->pcm[RT_SIDE], func);
3317 		}
3318 	} /* mch_disabled */
3319 
3320 	if (sc->mch_rec) {
3321 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3322 		if (func == NULL) {
3323 			error = ENOMEM;
3324 			goto bad;
3325 		}
3326 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3327 		if (pcminfo == NULL) {
3328 			error = ENOMEM;
3329 			goto bad;
3330 		}
3331 		pcminfo->card = sc;
3332 		pcminfo->route = RT_MCHRECORD;
3333 
3334 		func->func = SCF_PCM;
3335 		func->varinfo = pcminfo;
3336 		sc->pcm[RT_MCHRECORD] = device_add_child(dev, "pcm", -1);
3337 		device_set_ivars(sc->pcm[RT_MCHRECORD], func);
3338 	} /*mch_rec */
3339 
3340 	for (i = 0; i < 2; i++)
3341 		sc->midi[i] = NULL;
3342 
3343 	/* MIDI has some memory mangament and (possible) locking problems */
3344 #if 0
3345 	/* Midi Interface 1: Live!, Audigy, Audigy 2 */
3346 	if ((sc->is_emu10k1) || (sc->is_emu10k2) || (sc->is_ca0102)) {
3347 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3348 		if (func == NULL) {
3349 			error = ENOMEM;
3350 			goto bad;
3351 		}
3352 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3353 		if (midiinfo == NULL) {
3354 			error = ENOMEM;
3355 			goto bad;
3356 		}
3357 		midiinfo->card = sc;
3358 		if (sc->is_emu10k2 || (sc->is_ca0102)) {
3359 			midiinfo->port = EMU_A_MUDATA1;
3360 			midiinfo->portnr = 1;
3361 		}
3362 		if (sc->is_emu10k1) {
3363 			midiinfo->port = MUDATA;
3364 			midiinfo->portnr = 1;
3365 		}
3366 		func->func = SCF_MIDI;
3367 		func->varinfo = midiinfo;
3368 		sc->midi[0] = device_add_child(dev, "midi", -1);
3369 		device_set_ivars(sc->midi[0], func);
3370 	}
3371 	/* Midi Interface 2: Audigy, Audigy 2 (on AudigyDrive) */
3372 	if (sc->is_emu10k2 || (sc->is_ca0102)) {
3373 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3374 		if (func == NULL) {
3375 			error = ENOMEM;
3376 			goto bad;
3377 		}
3378 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3379 		if (midiinfo == NULL) {
3380 			error = ENOMEM;
3381 			goto bad;
3382 		}
3383 		midiinfo->card = sc;
3384 
3385 		midiinfo->port = EMU_A_MUDATA2;
3386 		midiinfo->portnr = 2;
3387 
3388 		func->func = SCF_MIDI;
3389 		func->varinfo = midiinfo;
3390 		sc->midi[1] = device_add_child(dev, "midi", -1);
3391 		device_set_ivars(sc->midi[1], func);
3392 	}
3393 #endif
3394 	return (bus_generic_attach(dev));
3395 
3396 bad:
3397 	/* XXX can we just call emu_pci_detach here? */
3398 	if (sc->cdev)
3399 		emu10kx_dev_uninit(sc);
3400 	if (sc->rm != NULL)
3401 		emu_rm_uninit(sc);
3402 	if (sc->reg)
3403 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3404 	if (sc->ih)
3405 		bus_teardown_intr(dev, sc->irq, sc->ih);
3406 	if (sc->irq)
3407 		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3408 	mtx_destroy(&sc->rw);
3409 	mtx_destroy(&sc->lock);
3410 	return (error);
3411 }
3412 
3413 static int
3414 emu_pci_detach(device_t dev)
3415 {
3416 	struct emu_sc_info *sc;
3417 	struct sndcard_func *func;
3418 	int devcount, i;
3419 	device_t *childlist;
3420 	int r = 0;
3421 
3422 	sc = device_get_softc(dev);
3423 
3424 	for (i = 0; i < RT_COUNT; i++) {
3425 		if (sc->pcm[i] != NULL) {
3426 			func = device_get_ivars(sc->pcm[i]);
3427 			if (func != NULL && func->func == SCF_PCM) {
3428 				device_set_ivars(sc->pcm[i], NULL);
3429 				free(func->varinfo, M_DEVBUF);
3430 				free(func, M_DEVBUF);
3431 			}
3432 			r = device_delete_child(dev, sc->pcm[i]);
3433 			if (r)	return (r);
3434 		}
3435 	}
3436 
3437 	if (sc->midi[0] != NULL) {
3438 		func = device_get_ivars(sc->midi[0]);
3439 		if (func != NULL && func->func == SCF_MIDI) {
3440 			device_set_ivars(sc->midi[0], NULL);
3441 			free(func->varinfo, M_DEVBUF);
3442 			free(func, M_DEVBUF);
3443 		}
3444 		r = device_delete_child(dev, sc->midi[0]);
3445 		if (r)	return (r);
3446 	}
3447 
3448 	if (sc->midi[1] != NULL) {
3449 		func = device_get_ivars(sc->midi[1]);
3450 		if (func != NULL && func->func == SCF_MIDI) {
3451 			device_set_ivars(sc->midi[1], NULL);
3452 			free(func->varinfo, M_DEVBUF);
3453 			free(func, M_DEVBUF);
3454 		}
3455 		r = device_delete_child(dev, sc->midi[1]);
3456 		if (r)	return (r);
3457 	}
3458 
3459 	if (device_get_children(dev, &childlist, &devcount) == 0)
3460 		for (i = 0; i < devcount - 1; i++) {
3461 			device_printf(dev, "removing stale child %d (unit %d)\n", i, device_get_unit(childlist[i]));
3462 			func = device_get_ivars(childlist[i]);
3463 			if (func != NULL && (func->func == SCF_MIDI || func->func == SCF_PCM)) {
3464 				device_set_ivars(childlist[i], NULL);
3465 				free(func->varinfo, M_DEVBUF);
3466 				free(func, M_DEVBUF);
3467 			}
3468 			device_delete_child(dev, childlist[i]);
3469 		}
3470 	if (childlist != NULL)
3471 		free(childlist, M_TEMP);
3472 
3473 	r = emu10kx_dev_uninit(sc);
3474 	if (r)
3475 		return (r);
3476 
3477 	/* shutdown chip */
3478 	emu_uninit(sc);
3479 	emu_rm_uninit(sc);
3480 
3481 	if (sc->mem.dmat)
3482 		bus_dma_tag_destroy(sc->mem.dmat);
3483 
3484 	if (sc->reg)
3485 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3486 	bus_teardown_intr(dev, sc->irq, sc->ih);
3487 	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3488 	mtx_destroy(&sc->rw);
3489 	mtx_destroy(&sc->lock);
3490 
3491 	return (bus_generic_detach(dev));
3492 }
3493 /* add suspend, resume */
3494 static device_method_t emu_methods[] = {
3495 	/* Device interface */
3496 	DEVMETHOD(device_probe, emu_pci_probe),
3497 	DEVMETHOD(device_attach, emu_pci_attach),
3498 	DEVMETHOD(device_detach, emu_pci_detach),
3499 	/* Bus methods */
3500 	DEVMETHOD(bus_read_ivar, emu_read_ivar),
3501 	DEVMETHOD(bus_write_ivar, emu_write_ivar),
3502 
3503 	DEVMETHOD_END
3504 };
3505 
3506 static driver_t emu_driver = {
3507 	"emu10kx",
3508 	emu_methods,
3509 	sizeof(struct emu_sc_info),
3510 	NULL,
3511 	0,
3512 	NULL
3513 };
3514 
3515 static int
3516 emu_modevent(module_t mod __unused, int cmd, void *data __unused)
3517 {
3518 	int err = 0;
3519 
3520 	switch (cmd) {
3521 	case MOD_LOAD:
3522 		break;		/* Success */
3523 
3524 	case MOD_UNLOAD:
3525 	case MOD_SHUTDOWN:
3526 
3527 		/* XXX  Should we check state of pcm & midi subdevices here? */
3528 
3529 		break;		/* Success */
3530 
3531 	default:
3532 		err = EINVAL;
3533 		break;
3534 	}
3535 
3536 	return (err);
3537 
3538 }
3539 
3540 DRIVER_MODULE(snd_emu10kx, pci, emu_driver, emu_modevent, NULL);
3541 MODULE_VERSION(snd_emu10kx, SND_EMU10KX_PREFVER);
3542