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eap.c revision 1.3
      1 /*	$NetBSD: eap.c,v 1.3 1998/05/02 02:36:30 mycroft Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Author:      Lennart Augustsson <augustss (at) cs.chalmers.se>
      8  *
      9  * Debugging &  Andreas Gustafsson <gson (at) araneus.fi>
     10  *    testing:  Chuck Cranor       <chuck (at) maria.wustl.edu>
     11  *              Phil Nelson        <phil (at) cs.wwu.edu>
     12  *
     13  * Redistribution and use in source and binary forms, with or without
     14  * modification, are permitted provided that the following conditions
     15  * are met:
     16  * 1. Redistributions of source code must retain the above copyright
     17  *    notice, this list of conditions and the following disclaimer.
     18  * 2. Redistributions in binary form must reproduce the above copyright
     19  *    notice, this list of conditions and the following disclaimer in the
     20  *    documentation and/or other materials provided with the distribution.
     21  * 3. All advertising materials mentioning features or use of this software
     22  *    must display the following acknowledgement:
     23  *        This product includes software developed by the NetBSD
     24  *        Foundation, Inc. and its contributors.
     25  * 4. Neither the name of The NetBSD Foundation nor the names of its
     26  *    contributors may be used to endorse or promote products derived
     27  *    from this software without specific prior written permission.
     28  *
     29  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     30  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     31  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     32  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     33  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     34  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     35  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     36  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     37  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     39  * POSSIBILITY OF SUCH DAMAGE.
     40  */
     41 
     42 /*
     43  * Ensoniq AudoiPCI ES1370 + AK4531 driver.
     44  * Data sheets can be found at
     45  * http://www.ensoniq.com/multimedia/semi_html/html/es1370.zip
     46  * and
     47  * http://206.214.38.151/pdf/4531.pdf
     48  */
     49 
     50 #include <sys/param.h>
     51 #include <sys/systm.h>
     52 #include <sys/kernel.h>
     53 #include <sys/malloc.h>
     54 #include <sys/device.h>
     55 
     56 #include <dev/pci/pcidevs.h>
     57 #include <dev/pci/pcivar.h>
     58 
     59 #include <sys/audioio.h>
     60 #include <dev/audio_if.h>
     61 #include <dev/mulaw.h>
     62 #include <dev/auconv.h>
     63 
     64 #include <machine/bus.h>
     65 
     66 /* NetBSD 1.3 backwards compatibility */
     67 #ifndef BUS_DMA_COHERENT
     68 #define BUS_DMA_COHERENT 0	/* XXX */
     69 struct        cfdriver eap_cd = {
     70       NULL, "eap", DV_DULL
     71 };
     72 #endif
     73 
     74 #define	PCI_CBIO		0x10
     75 
     76 #define EAP_ICSC		0x00    /* interrupt / chip select control */
     77 #define  EAP_SERR_DISABLE	0x00000001
     78 #define  EAP_CDC_EN		0x00000002
     79 #define  EAP_JYSTK_EN		0x00000004
     80 #define  EAP_UART_EN		0x00000008
     81 #define  EAP_ADC_EN		0x00000010
     82 #define  EAP_DAC2_EN		0x00000020
     83 #define  EAP_DAC1_EN		0x00000040
     84 #define  EAP_BREQ		0x00000080
     85 #define  EAP_XTCL0		0x00000100
     86 #define  EAP_M_CB		0x00000200
     87 #define  EAP_CCB_INTRM		0x00000400
     88 #define  EAP_DAC_SYNC		0x00000800
     89 #define  EAP_WTSRSEL		0x00003000
     90 #define   EAP_WTSRSEL_5		0x00000000
     91 #define   EAP_WTSRSEL_11	0x00001000
     92 #define   EAP_WTSRSEL_22	0x00002000
     93 #define   EAP_WTSRSEL_44	0x00003000
     94 #define  EAP_M_SBB		0x00004000
     95 #define  EAP_MSFMTSEL		0x00008000
     96 #define  EAP_SET_PCLKDIV(n)	(((n)&0x1fff)<<16)
     97 #define  EAP_GET_PCLKDIV(n)	(((n)>>16)&0x1fff)
     98 #define  EAP_PCLKBITS		0x1fff0000
     99 #define  EAP_XTCL1		0x40000000
    100 #define  EAP_ADC_STOP		0x80000000
    101 
    102 #define EAP_ICSS		0x04	/* interrupt / chip select status */
    103 #define  EAP_I_ADC		0x00000001
    104 #define  EAP_I_DAC2		0x00000002
    105 #define  EAP_I_DAC1		0x00000004
    106 #define  EAP_I_UART		0x00000008
    107 #define  EAP_I_MCCB		0x00000010
    108 #define  EAP_VC			0x00000060
    109 #define  EAP_CWRIP		0x00000100
    110 #define  EAP_CBUSY		0x00000200
    111 #define  EAP_CSTAT		0x00000400
    112 #define  EAP_INTR		0x80000000
    113 
    114 #define EAP_UART_DATA		0x08
    115 #define EAP_UART_STATUS		0x09
    116 #define EAP_UART_CONTROL	0x09
    117 #define EAP_MEMPAGE		0x0c
    118 #define EAP_CODEC		0x10
    119 #define  EAP_SET_CODEC(a,d)	(((a)<<8) | (d))
    120 
    121 #define EAP_SIC			0x20
    122 #define  EAP_P1_S_MB		0x00000001
    123 #define  EAP_P1_S_EB		0x00000002
    124 #define  EAP_P2_S_MB		0x00000004
    125 #define  EAP_P2_S_EB		0x00000008
    126 #define  EAP_R1_S_MB		0x00000010
    127 #define  EAP_R1_S_EB		0x00000020
    128 #define  EAP_R1P2_BITS		0x0000003c
    129 #define  EAP_P2_DAC_SEN		0x00000040
    130 #define  EAP_P1_SCT_RLD		0x00000080
    131 #define  EAP_P1_INTR_EN		0x00000100
    132 #define  EAP_P2_INTR_EN		0x00000200
    133 #define  EAP_R1_INTR_EN		0x00000400
    134 #define  EAP_P1_PAUSE		0x00000800
    135 #define  EAP_P2_PAUSE		0x00001000
    136 #define  EAP_P1_LOOP_SEL	0x00002000
    137 #define  EAP_P2_LOOP_SEL	0x00004000
    138 #define  EAP_R1_LOOP_SEL	0x00008000
    139 #define  EAP_SET_P2_ST_INC(i)	((i) << 16)
    140 #define  EAP_SET_P2_END_INC(i)	((i) << 19)
    141 #define  EAP_INC_BITS		0x003f0000
    142 
    143 #define EAP_DAC1_CSR		0x24
    144 #define EAP_DAC2_CSR		0x28
    145 #define EAP_ADC_CSR		0x2c
    146 #define  EAP_GET_CURRSAMP(r)	((r) >> 16)
    147 
    148 #define EAP_DAC_PAGE		0xc
    149 #define EAP_ADC_PAGE		0xd
    150 #define EAP_UART_PAGE1		0xe
    151 #define EAP_UART_PAGE2		0xf
    152 
    153 #define EAP_DAC1_ADDR		0x30
    154 #define EAP_DAC1_SIZE		0x34
    155 #define EAP_DAC2_ADDR		0x38
    156 #define EAP_DAC2_SIZE		0x3c
    157 #define EAP_ADC_ADDR		0x30
    158 #define EAP_ADC_SIZE		0x34
    159 #define  EAP_SET_SIZE(c,s)	(((c)<<16) | (s))
    160 
    161 #define EAP_XTAL_FREQ 1411200 /* 22.5792 / 16 MHz */
    162 
    163 /* AK4531 registers */
    164 #define AK_MASTER_L		0x00
    165 #define AK_MASTER_R		0x01
    166 #define AK_VOICE_L		0x02
    167 #define AK_VOICE_R		0x03
    168 #define AK_FM_L			0x04
    169 #define AK_FM_R			0x05
    170 #define AK_CD_L			0x06
    171 #define AK_CD_R			0x07
    172 #define AK_LINE_L		0x08
    173 #define AK_LINE_R		0x09
    174 #define AK_AUX_L		0x0a
    175 #define AK_AUX_R		0x0b
    176 #define AK_MONO1		0x0c
    177 #define AK_MONO2		0x0d
    178 #define AK_MIC			0x0e
    179 #define AK_MONO			0x0f
    180 #define AK_OUT_MIXER1		0x10
    181 #define  AK_M_FM_L		0x40
    182 #define  AK_M_FM_R		0x20
    183 #define  AK_M_LINE_L		0x10
    184 #define  AK_M_LINE_R		0x08
    185 #define  AK_M_CD_L		0x04
    186 #define  AK_M_CD_R		0x02
    187 #define  AK_M_MIC		0x01
    188 #define AK_OUT_MIXER2		0x11
    189 #define  AK_M_AUX_L		0x20
    190 #define  AK_M_AUX_R		0x10
    191 #define  AK_M_VOICE_L		0x08
    192 #define  AK_M_VOICE_R		0x04
    193 #define  AK_M_MONO2		0x02
    194 #define  AK_M_MONO1		0x01
    195 #define AK_IN_MIXER1_L		0x12
    196 #define AK_IN_MIXER1_R		0x13
    197 #define AK_IN_MIXER2_L		0x14
    198 #define AK_IN_MIXER2_R		0x15
    199 #define  AK_M_TMIC		0x80
    200 #define  AK_M_TMONO1		0x40
    201 #define  AK_M_TMONO2		0x20
    202 #define  AK_M2_AUX_L		0x10
    203 #define  AK_M2_AUX_R		0x08
    204 #define  AK_M_VOICE		0x04
    205 #define  AK_M2_MONO2		0x02
    206 #define  AK_M2_MONO1		0x01
    207 #define AK_RESET		0x16
    208 #define  AK_PD			0x02
    209 #define  AK_NRST		0x01
    210 #define AK_CS			0x17
    211 #define AK_ADSEL		0x18
    212 #define AK_MGAIN		0x19
    213 
    214 #define AK_NPORTS 16
    215 
    216 #define VOL_TO_ATT5(v) (0x1f - ((v) >> 3))
    217 /*#define VOL_TO_GAIN5(v) ((v) >> 3)*/
    218 #define VOL_TO_GAIN5(v) VOL_TO_ATT5(v)/* why is it called gain? */
    219 #define ATT5_TO_VOL(v) ((0x1f - (v)) << 3)
    220 /*#define GAIN5_TO_VOL(v) ((v) << 3)*/
    221 #define GAIN5_TO_VOL(v) ATT5_TO_VOL(v)
    222 #define VOL_0DB 200
    223 
    224 #define EAP_MASTER_VOL		0
    225 #define EAP_VOICE_VOL		1
    226 #define EAP_FM_VOL		2
    227 #define EAP_CD_VOL		3
    228 #define EAP_LINE_VOL		4
    229 #define EAP_AUX_VOL		5
    230 #define EAP_MIC_VOL		6
    231 #define	EAP_RECORD_SOURCE 	7
    232 #define EAP_OUTPUT_CLASS	8
    233 #define EAP_RECORD_CLASS	9
    234 #define EAP_INPUT_CLASS		10
    235 
    236 #define EAP_NDEVS		11
    237 
    238 
    239 #ifdef AUDIO_DEBUG
    240 #define DPRINTF(x)	if (eapdebug) printf x
    241 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
    242 int	eapdebug = 0;
    243 #else
    244 #define DPRINTF(x)
    245 #define DPRINTFN(n,x)
    246 #endif
    247 
    248 #ifdef __BROKEN_INDIRECT_CONFIG
    249 int	eap_match __P((struct device *, void *, void *));
    250 #else
    251 int	eap_match __P((struct device *, struct cfdata *, void *));
    252 #endif
    253 void	eap_attach __P((struct device *, struct device *, void *));
    254 int	eap_intr __P((void *));
    255 
    256 struct eap_dma {
    257 	bus_dmamap_t map;
    258         caddr_t addr;
    259         bus_dma_segment_t segs[1];
    260         int nsegs;
    261         size_t size;
    262         struct eap_dma *next;
    263 };
    264 #define DMAADDR(map) ((map)->segs[0].ds_addr)
    265 #define KERNADDR(map) ((void *)((map)->addr))
    266 
    267 struct eap_softc {
    268 	struct device sc_dev;		/* base device */
    269 	void *sc_ih;			/* interrupt vectoring */
    270 	bus_space_tag_t iot;
    271 	bus_space_handle_t ioh;
    272 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
    273 
    274         struct eap_dma *sc_dmas;
    275 
    276 	void	(*sc_pintr)(void *);	/* dma completion intr handler */
    277 	void	*sc_parg;		/* arg for sc_intr() */
    278 	char	sc_prun;
    279 
    280 	void	(*sc_rintr)(void *);	/* dma completion intr handler */
    281 	void	*sc_rarg;		/* arg for sc_intr() */
    282 	char	sc_rrun;
    283 
    284 	int	sc_sampsize;		/* bytes / sample */
    285 
    286 	u_char	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
    287 	u_int	sc_record_source;	/* recording source mask */
    288 };
    289 
    290 int	eap_allocmem __P((struct eap_softc *, size_t, size_t, struct eap_dma *));
    291 int	eap_freemem __P((struct eap_softc *, struct eap_dma *));
    292 
    293 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
    294 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
    295 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
    296 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
    297 
    298 struct cfattach eap_ca = {
    299 	sizeof(struct eap_softc), eap_match, eap_attach
    300 };
    301 
    302 int	eap_open __P((void *, int));
    303 void	eap_close __P((void *));
    304 int	eap_query_encoding __P((void *, struct audio_encoding *));
    305 int	eap_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
    306 int	eap_round_blocksize __P((void *, int));
    307 int	eap_dma_init_output __P((void *, void *, int));
    308 int	eap_dma_init_input __P((void *, void *, int));
    309 int	eap_dma_output __P((void *, void *, int, void (*)(void *), void*));
    310 int	eap_dma_input __P((void *, void *, int, void (*)(void *), void*));
    311 int	eap_halt_in_dma __P((void *));
    312 int	eap_halt_out_dma __P((void *));
    313 int	eap_getdev __P((void *, struct audio_device *));
    314 int	eap_mixer_set_port __P((void *, mixer_ctrl_t *));
    315 int	eap_mixer_get_port __P((void *, mixer_ctrl_t *));
    316 int	eap_query_devinfo __P((void *, mixer_devinfo_t *));
    317 void   *eap_malloc __P((void *, u_long, int, int));
    318 void	eap_free __P((void *, void *, int));
    319 u_long	eap_round __P((void *, u_long));
    320 int	eap_mappage __P((void *, void *, int, int));
    321 int	eap_get_props __P((void *));
    322 void	eap_write_codec __P((struct eap_softc *sc, int a, int d));
    323 void	eap_set_mixer __P((struct eap_softc *sc, int a, int d));
    324 
    325 struct audio_hw_if eap_hw_if = {
    326 	eap_open,
    327 	eap_close,
    328 	NULL,
    329 	eap_query_encoding,
    330 	eap_set_params,
    331 	eap_round_blocksize,
    332 	NULL,
    333 	eap_dma_init_output,
    334 	eap_dma_init_input,
    335 	eap_dma_output,
    336 	eap_dma_input,
    337 	eap_halt_out_dma,
    338 	eap_halt_in_dma,
    339 	NULL,
    340 	eap_getdev,
    341 	NULL,
    342 	eap_mixer_set_port,
    343 	eap_mixer_get_port,
    344 	eap_query_devinfo,
    345 	eap_malloc,
    346 	eap_free,
    347 	eap_round,
    348 	eap_mappage,
    349 	eap_get_props,
    350 };
    351 
    352 struct audio_device eap_device = {
    353 	"Ensoniq AudioPCI",
    354 	"",
    355 	"eap"
    356 };
    357 
    358 int
    359 eap_match(parent, match, aux)
    360 	struct device *parent;
    361 #ifdef __BROKEN_INDIRECT_CONFIG
    362 	void *match;
    363 #else
    364 	struct cfdata *match;
    365 #endif
    366 	void *aux;
    367 {
    368 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
    369 
    370 	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ENSONIQ)
    371 		return (0);
    372 	if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_ENSONIQ_AUDIOPCI)
    373 		return (0);
    374 
    375 	return (1);
    376 }
    377 
    378 void
    379 eap_write_codec(sc, a, d)
    380 	struct eap_softc *sc;
    381 	int a, d;
    382 {
    383 	int icss;
    384 
    385 	do {
    386 	        icss = EREAD4(sc, EAP_ICSS);
    387 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
    388 	} while(icss & EAP_CWRIP);
    389 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
    390 	/* delay(1000); */
    391 }
    392 
    393 void
    394 eap_attach(parent, self, aux)
    395 	struct device *parent;
    396 	struct device *self;
    397 	void *aux;
    398 {
    399 	struct eap_softc *sc = (struct eap_softc *)self;
    400 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
    401 	pci_chipset_tag_t pc = pa->pa_pc;
    402 	char const *intrstr;
    403 	pci_intr_handle_t ih;
    404 	pcireg_t csr;
    405 	char devinfo[256];
    406 	mixer_ctrl_t ctl;
    407 
    408 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
    409 	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
    410 
    411 	/* Map I/O register */
    412 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
    413 	      &sc->iot, &sc->ioh, NULL, NULL)) {
    414 		printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
    415 		return;
    416 	}
    417 
    418 	sc->sc_dmatag = pa->pa_dmat;
    419 
    420 	/* Enable the device. */
    421 	csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    422 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
    423 		       csr | PCI_COMMAND_MASTER_ENABLE);
    424 
    425 	/* Map and establish the interrupt. */
    426 	if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
    427 	    pa->pa_intrline, &ih)) {
    428 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
    429 		return;
    430 	}
    431 	intrstr = pci_intr_string(pc, ih);
    432 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
    433 	if (sc->sc_ih == NULL) {
    434 		printf("%s: couldn't establish interrupt",
    435 		    sc->sc_dev.dv_xname);
    436 		if (intrstr != NULL)
    437 			printf(" at %s", intrstr);
    438 		printf("\n");
    439 		return;
    440 	}
    441 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
    442 
    443 	/* Enable interrupts and looping mode. */
    444         EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
    445         EWRITE4(sc, EAP_ICSC, EAP_CDC_EN); /* enable the parts we need */
    446 
    447 	eap_write_codec(sc, AK_RESET, AK_PD); /* reset codec */
    448 	eap_write_codec(sc, AK_RESET, AK_PD | AK_NRST);	/* normal operation */
    449 	eap_write_codec(sc, AK_CS, 0x0); /* select codec clocks */
    450 	/* Enable all relevant mixer switches. */
    451 	eap_write_codec(sc, AK_OUT_MIXER1,
    452 			AK_M_FM_L | AK_M_FM_R |
    453 			AK_M_LINE_L | AK_M_LINE_R |
    454 			AK_M_CD_L | AK_M_CD_R);
    455 	eap_write_codec(sc, AK_OUT_MIXER2,
    456 			AK_M_AUX_L | AK_M_AUX_R |
    457 			AK_M_VOICE_L | AK_M_VOICE_R |
    458 			AK_M_MONO2 | AK_M_MONO1);
    459 #if 0
    460 	eap_write_codec(sc, AK_IN_MIXER1_L,
    461 			AK_M_FM_L | AK_M_LINE_L | AK_M_CD_L | AK_M_MIC);
    462 	eap_write_codec(sc, AK_IN_MIXER1_R,
    463 			AK_M_FM_R | AK_M_LINE_R | AK_M_CD_R | AK_M_MIC);
    464 	eap_write_codec(sc, AK_IN_MIXER2_L,
    465 			AK_M_TMIC | AK_M_TMONO1 | AK_M_TMONO2 | AK_M2_AUX_L |
    466 			AK_M_VOICE | AK_M2_MONO1 | AK_M2_MONO2);
    467 	eap_write_codec(sc, AK_IN_MIXER2_R,
    468 			AK_M_TMIC | AK_M_TMONO1 | AK_M_TMONO2 | AK_M2_AUX_R |
    469 			AK_M_VOICE | AK_M2_MONO1 | AK_M2_MONO2);
    470 #endif
    471 	ctl.type = AUDIO_MIXER_VALUE;
    472 	ctl.un.value.num_channels = 1;
    473 	for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL; ctl.dev++) {
    474 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
    475 		eap_mixer_set_port(sc, &ctl);
    476 	}
    477 	ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
    478 	eap_mixer_set_port(sc, &ctl); /* set the mic to 0 */
    479 	ctl.dev = EAP_RECORD_SOURCE;
    480 	ctl.type = AUDIO_MIXER_SET;
    481 	ctl.un.mask = 1 << EAP_MIC_VOL;
    482 	eap_mixer_set_port(sc, &ctl);
    483 
    484         audio_attach_mi(&eap_hw_if, 0, sc, &sc->sc_dev);
    485 }
    486 
    487 int
    488 eap_intr(p)
    489 	void *p;
    490 {
    491 	struct eap_softc *sc = p;
    492 	u_int32_t intr, sic;
    493 
    494         intr = EREAD4(sc, EAP_ICSS);
    495         if (!(intr & EAP_INTR))
    496         	return (0);
    497 	sic = EREAD4(sc, EAP_SIC);
    498 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
    499         if (intr & EAP_I_ADC) {
    500 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
    501 		EWRITE4(sc, EAP_SIC, sic);
    502                 if (sc->sc_rintr)
    503 	        	sc->sc_rintr(sc->sc_rarg);
    504         }
    505         if (intr & EAP_I_DAC2) {
    506 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
    507 		EWRITE4(sc, EAP_SIC, sic);
    508                 if (sc->sc_pintr)
    509 	        	sc->sc_pintr(sc->sc_parg);
    510         }
    511 	return (1);
    512 }
    513 
    514 int
    515 eap_allocmem(sc, size, align, p)
    516 	struct eap_softc *sc;
    517 	size_t size;
    518 	size_t align;
    519         struct eap_dma *p;
    520 {
    521 	int error;
    522 
    523 	p->size = size;
    524 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
    525 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
    526 				 &p->nsegs, BUS_DMA_NOWAIT);
    527 	if (error)
    528 		return (error);
    529 
    530 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
    531 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
    532 	if (error)
    533 		goto free;
    534 
    535 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
    536 				  0, BUS_DMA_NOWAIT, &p->map);
    537 	if (error)
    538 		goto unmap;
    539 
    540 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
    541 				BUS_DMA_NOWAIT);
    542 	if (error)
    543 		goto destroy;
    544 	return (0);
    545 
    546 destroy:
    547 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
    548 unmap:
    549 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
    550 free:
    551 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
    552 	return (error);
    553 }
    554 
    555 int
    556 eap_freemem(sc, p)
    557 	struct eap_softc *sc;
    558         struct eap_dma *p;
    559 {
    560 	bus_dmamap_unload(sc->sc_dmatag, p->map);
    561 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
    562 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
    563 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
    564 	return (0);
    565 }
    566 
    567 int
    568 eap_open(addr, flags)
    569 	void *addr;
    570 	int flags;
    571 {
    572 	struct eap_softc *sc = addr;
    573 
    574         DPRINTF(("eap_open: sc=%p\n", sc));
    575 
    576         sc->sc_pintr = 0;
    577         sc->sc_rintr = 0;
    578 
    579         return (0);
    580 }
    581 
    582 /*
    583  * Close function is called at splaudio().
    584  */
    585 void
    586 eap_close(addr)
    587 	void *addr;
    588 {
    589 	struct eap_softc *sc = addr;
    590 
    591         eap_halt_in_dma(sc);
    592         eap_halt_out_dma(sc);
    593 
    594         sc->sc_pintr = 0;
    595         sc->sc_rintr = 0;
    596 }
    597 
    598 int
    599 eap_query_encoding(addr, fp)
    600 	void *addr;
    601 	struct audio_encoding *fp;
    602 {
    603 	switch (fp->index) {
    604 	case 0:
    605 		strcpy(fp->name, AudioEulinear);
    606 		fp->encoding = AUDIO_ENCODING_ULINEAR;
    607 		fp->precision = 8;
    608 		fp->flags = 0;
    609 		return (0);
    610 	case 1:
    611 		strcpy(fp->name, AudioEmulaw);
    612 		fp->encoding = AUDIO_ENCODING_ULAW;
    613 		fp->precision = 8;
    614 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    615 		return (0);
    616 	case 2:
    617 		strcpy(fp->name, AudioEalaw);
    618 		fp->encoding = AUDIO_ENCODING_ALAW;
    619 		fp->precision = 8;
    620 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    621 		return (0);
    622 	case 3:
    623 		strcpy(fp->name, AudioEslinear);
    624 		fp->encoding = AUDIO_ENCODING_SLINEAR;
    625 		fp->precision = 8;
    626 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    627 		return (0);
    628         case 4:
    629 		strcpy(fp->name, AudioEslinear_le);
    630 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
    631 		fp->precision = 16;
    632 		fp->flags = 0;
    633 		return (0);
    634 	case 5:
    635 		strcpy(fp->name, AudioEulinear_le);
    636 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
    637 		fp->precision = 16;
    638 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    639 		return (0);
    640 	case 6:
    641 		strcpy(fp->name, AudioEslinear_be);
    642 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
    643 		fp->precision = 16;
    644 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    645 		return (0);
    646 	case 7:
    647 		strcpy(fp->name, AudioEulinear_be);
    648 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
    649 		fp->precision = 16;
    650 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
    651 		return (0);
    652 	default:
    653 		return (EINVAL);
    654 	}
    655 }
    656 
    657 int
    658 eap_set_params(addr, setmode, usemode, p, r)
    659 	void *addr;
    660 	int setmode, usemode;
    661 	struct audio_params *p, *r;
    662 {
    663 	struct eap_softc *sc = addr;
    664 	void (*pswcode) __P((void *, u_char *buf, int cnt));
    665 	void (*rswcode) __P((void *, u_char *buf, int cnt));
    666         u_int32_t mode, div;
    667 
    668 
    669         pswcode = rswcode = 0;
    670         switch (p->encoding) {
    671         case AUDIO_ENCODING_SLINEAR_BE:
    672         	if (p->precision == 16)
    673                 	rswcode = pswcode = swap_bytes;
    674 		else
    675 			pswcode = rswcode = change_sign8;
    676 		break;
    677         case AUDIO_ENCODING_SLINEAR_LE:
    678         	if (p->precision != 16)
    679 			pswcode = rswcode = change_sign8;
    680         	break;
    681         case AUDIO_ENCODING_ULINEAR_BE:
    682         	if (p->precision == 16) {
    683 			pswcode = swap_bytes_change_sign16;
    684 			rswcode = change_sign16_swap_bytes;
    685 		}
    686 		break;
    687         case AUDIO_ENCODING_ULINEAR_LE:
    688         	if (p->precision == 16)
    689 			pswcode = rswcode = change_sign16;
    690         	break;
    691         case AUDIO_ENCODING_ULAW:
    692         	pswcode = mulaw_to_ulinear8;
    693                 rswcode = ulinear8_to_mulaw;
    694                 break;
    695         case AUDIO_ENCODING_ALAW:
    696                 pswcode = alaw_to_ulinear8;
    697                 rswcode = ulinear8_to_alaw;
    698                 break;
    699         default:
    700         	return (EINVAL);
    701         }
    702 	if (p->precision == 16)
    703 		mode = EAP_P2_S_EB | EAP_R1_S_EB;
    704 	else
    705 		mode = 0;
    706         if (p->channels == 2)
    707         	mode |= EAP_P2_S_MB | EAP_R1_S_MB;
    708 	else if (p->channels != 1)
    709 		return (EINVAL);
    710         if (p->sample_rate < 4000 || p->sample_rate > 50000)
    711         	return (EINVAL);
    712 
    713         /* XXX should sampsize be *2 if stereo? */
    714 	sc->sc_sampsize = p->precision / 8 * p->channels; /* bytes / sample */
    715         p->sw_code = pswcode;
    716         r->sw_code = rswcode;
    717 
    718         /* Set the encoding */
    719         mode |= EREAD4(sc, EAP_SIC) & ~(EAP_R1P2_BITS | EAP_INC_BITS);
    720 	mode |= EAP_SET_P2_ST_INC(0) | EAP_SET_P2_END_INC(p->precision / 8);
    721         EWRITE4(sc, EAP_SIC, mode);
    722 	DPRINTFN(2, ("eap_set_params: set SIC = 0x%08x\n", mode));
    723 
    724         /* Set the speed */
    725 	DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
    726 		     EREAD4(sc, EAP_ICSC)));
    727 	div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
    728         div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ / p->sample_rate);
    729 	div |= EAP_CCB_INTRM;
    730         EWRITE4(sc, EAP_ICSC, div);
    731 	DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
    732 
    733         return (0);
    734 }
    735 
    736 int
    737 eap_round_blocksize(addr, blk)
    738 	void *addr;
    739 	int blk;
    740 {
    741 	return (blk & -16);	/* keep good alignment */
    742 }
    743 
    744 int
    745 eap_dma_init_input(addr, buf, cc)
    746 	void *addr;
    747 	void *buf;
    748 	int cc;
    749 {
    750 	struct eap_softc *sc = addr;
    751 	struct eap_dma *p;
    752 
    753 	DPRINTF(("eap_dma_init_input: dma start loop input addr=%p cc=%d\n", buf, cc));
    754         for (p = sc->sc_dmas; p && KERNADDR(p) != buf; p = p->next)
    755 		;
    756 	if (!p) {
    757 		printf("eap_dma_init_input: bad addr %p\n", buf);
    758 		return (EINVAL);
    759 	}
    760 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
    761 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
    762 	EWRITE4(sc, EAP_ADC_SIZE, EAP_SET_SIZE(0, cc / 4 - 1));
    763 	DPRINTF(("eap_dma_init_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
    764 		 (int)DMAADDR(p), EAP_SET_SIZE(0, cc / 4 - 1)));
    765 	return (0);
    766 }
    767 
    768 int
    769 eap_dma_init_output(addr, buf, cc)
    770 	void *addr;
    771 	void *buf;
    772 	int cc;
    773 {
    774 	struct eap_softc *sc = addr;
    775 	struct eap_dma *p;
    776 
    777 	DPRINTF(("eap: dma start loop output buf=%p cc=%d\n", buf, cc));
    778         for (p = sc->sc_dmas; p && KERNADDR(p) != buf; p = p->next)
    779 		;
    780 	if (!p) {
    781 		printf("eap_dma_init_output: bad addr %p\n", buf);
    782 		return (EINVAL);
    783 	}
    784 	EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
    785 	EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
    786 	EWRITE4(sc, EAP_DAC2_SIZE, EAP_SET_SIZE(0, cc / 4 - 1));
    787 	DPRINTF(("eap_dma_init_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
    788 		 (int)DMAADDR(p), EAP_SET_SIZE(0, cc / 4 - 1)));
    789 	return (0);
    790 }
    791 
    792 int
    793 eap_dma_output(addr, p, cc, intr, arg)
    794 	void *addr;
    795 	void *p;
    796 	int cc;
    797 	void (*intr) __P((void *));
    798 	void *arg;
    799 {
    800 	struct eap_softc *sc = addr;
    801 	u_int32_t mode;
    802 
    803 	DPRINTFN(sc->sc_prun ? 5 : 1,
    804                  ("eap_dma_output: sc=%p buf=%p cc=%d intr=%p(%p)\n",
    805                   addr, p, cc, intr, arg));
    806 	sc->sc_pintr = intr;
    807 	sc->sc_parg = arg;
    808 	if (!sc->sc_prun) {
    809 #if defined(DIAGNOSTIC) || defined(AUDIO_DEBUG)
    810 	        if (sc->sc_sampsize == 0) {
    811         		printf("eap_dma_output: sampsize == 0\n");
    812                         return EINVAL;
    813                 }
    814 #endif
    815 		EWRITE2(sc, EAP_DAC2_CSR, cc / sc->sc_sampsize - 1);
    816 		DPRINTFN(1, ("eap_dma_output: set DAC2_CSR = %d\n",
    817 			     cc / sc->sc_sampsize - 1));
    818 		DPRINTFN(1, ("eap_dma_output: old ICSC = 0x%08x\n",
    819 			     EREAD4(sc, EAP_ICSC)));
    820 		mode = EREAD4(sc, EAP_ICSC) & ~EAP_DAC2_EN;
    821 		EWRITE4(sc, EAP_ICSC, mode);
    822 		mode |= EAP_DAC2_EN;
    823 		EWRITE4(sc, EAP_ICSC, mode);
    824 		DPRINTFN(1, ("eap_dma_output: set ICSC = 0x%08x\n", mode));
    825 		sc->sc_prun = 1;
    826 	}
    827         return (0);
    828 }
    829 
    830 int
    831 eap_dma_input(addr, p, cc, intr, arg)
    832 	void *addr;
    833 	void *p;
    834 	int cc;
    835 	void (*intr) __P((void *));
    836 	void *arg;
    837 {
    838 	struct eap_softc *sc = addr;
    839 	u_int32_t mode;
    840 
    841 	DPRINTFN(1, ("eap_dma_input: sc=%p buf=%p cc=%d intr=%p(%p)\n",
    842 		     addr, p, cc, intr, arg));
    843 	sc->sc_rintr = intr;
    844 	sc->sc_rarg = arg;
    845 	if (!sc->sc_rrun) {
    846 #if defined(DIAGNOSTIC) || defined(AUDIO_DEBUG)
    847 	        if (sc->sc_sampsize == 0) {
    848         		printf("eap_dma_input: sampsize == 0\n");
    849                         return EINVAL;
    850                 }
    851 #endif
    852 		EWRITE2(sc, EAP_ADC_CSR, cc / sc->sc_sampsize - 1);
    853 		mode = EREAD4(sc, EAP_ICSC) & ~EAP_ADC_EN;
    854 		EWRITE4(sc, EAP_ICSC, mode);
    855 		mode |= EAP_ADC_EN;
    856 		EWRITE4(sc, EAP_ICSC, mode);
    857 		DPRINTFN(1, ("eap_dma_input: set ICSC = 0x%08x\n", mode));
    858 		sc->sc_rrun = 1;
    859 	}
    860         return (0);
    861 }
    862 
    863 int
    864 eap_halt_out_dma(addr)
    865 	void *addr;
    866 {
    867 	struct eap_softc *sc = addr;
    868 	u_int32_t mode;
    869 
    870         DPRINTF(("eap: eap_halt_out_dma\n"));
    871 	mode = EREAD4(sc, EAP_ICSC) & ~EAP_DAC2_EN;
    872 	EWRITE4(sc, EAP_ICSC, mode);
    873 	sc->sc_prun = 0;
    874         return (0);
    875 }
    876 
    877 int
    878 eap_halt_in_dma(addr)
    879 	void *addr;
    880 {
    881 	struct eap_softc *sc = addr;
    882 	u_int32_t mode;
    883 
    884         DPRINTF(("eap: eap_halt_in_dma\n"));
    885 	mode = EREAD4(sc, EAP_ICSC) & ~EAP_ADC_EN;
    886 	EWRITE4(sc, EAP_ICSC, mode);
    887 	sc->sc_rrun = 0;
    888         return (0);
    889 }
    890 
    891 int
    892 eap_getdev(addr, retp)
    893 	void *addr;
    894         struct audio_device *retp;
    895 {
    896 	*retp = eap_device;
    897         return (0);
    898 }
    899 
    900 void
    901 eap_set_mixer(sc, a, d)
    902 	struct eap_softc *sc;
    903         int a, d;
    904 {
    905 	eap_write_codec(sc, a, d);
    906         DPRINTFN(1, ("eap_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
    907 }
    908 
    909 
    910 int
    911 eap_mixer_set_port(addr, cp)
    912 	void *addr;
    913 	mixer_ctrl_t *cp;
    914 {
    915 	struct eap_softc *sc = addr;
    916 	int lval, rval, l, r, la, ra;
    917 	int l1, r1, l2, r2, m;
    918 
    919 	if (cp->dev == EAP_RECORD_SOURCE) {
    920 		if (cp->type != AUDIO_MIXER_SET)
    921 			return (EINVAL);
    922 		m = sc->sc_record_source = cp->un.mask;
    923 		l1 = l2 = r1 = r2 = 0;
    924 		if (m & (1 << EAP_VOICE_VOL))
    925 			l2 |= AK_M_VOICE_L, r2 |= AK_M_VOICE_R;
    926 		if (m & (1 << EAP_FM_VOL))
    927 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
    928 		if (m & (1 << EAP_CD_VOL))
    929 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
    930 		if (m & (1 << EAP_LINE_VOL))
    931 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
    932 		if (m & (1 << EAP_AUX_VOL))
    933 			l2 |= AK_M_AUX_L, r2 |= AK_M_AUX_R;
    934 		if (m & (1 << EAP_MIC_VOL))
    935 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
    936 		eap_set_mixer(sc, AK_IN_MIXER1_L, l1);
    937 		eap_set_mixer(sc, AK_IN_MIXER1_R, r1);
    938 		eap_set_mixer(sc, AK_IN_MIXER2_L, l2);
    939 		eap_set_mixer(sc, AK_IN_MIXER2_R, r2);
    940 		return (0);
    941 	}
    942 	if (cp->type != AUDIO_MIXER_VALUE)
    943 		return (EINVAL);
    944 	if (cp->un.value.num_channels == 1)
    945 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
    946 	else if (cp->un.value.num_channels == 2) {
    947 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
    948 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
    949 	} else
    950 		return (EINVAL);
    951 	ra = -1;
    952 	switch (cp->dev) {
    953 	case EAP_MASTER_VOL:
    954 		l = VOL_TO_ATT5(lval);
    955 		r = VOL_TO_ATT5(rval);
    956 		la = AK_MASTER_L;
    957 		ra = AK_MASTER_R;
    958 		break;
    959 	case EAP_MIC_VOL:
    960 		if (cp->un.value.num_channels != 1)
    961 			return (EINVAL);
    962 		la = AK_MIC;
    963 		goto lr;
    964 	case EAP_VOICE_VOL:
    965 		la = AK_VOICE_L;
    966 		ra = AK_VOICE_R;
    967 		goto lr;
    968 	case EAP_FM_VOL:
    969 		la = AK_FM_L;
    970 		ra = AK_FM_R;
    971 		goto lr;
    972 	case EAP_CD_VOL:
    973 		la = AK_CD_L;
    974 		ra = AK_CD_R;
    975 		goto lr;
    976 	case EAP_LINE_VOL:
    977 		la = AK_LINE_L;
    978 		ra = AK_LINE_R;
    979 		goto lr;
    980 	case EAP_AUX_VOL:
    981 		la = AK_AUX_L;
    982 		ra = AK_AUX_R;
    983 	lr:
    984 		l = VOL_TO_GAIN5(lval);
    985 		r = VOL_TO_GAIN5(rval);
    986 		break;
    987 	default:
    988 		return (EINVAL);
    989 	}
    990 	eap_set_mixer(sc, la, l);
    991 	sc->sc_port[la] = l;
    992 	if (ra >= 0) {
    993 		eap_set_mixer(sc, ra, r);
    994 		sc->sc_port[ra] = r;
    995 	}
    996 	return (0);
    997 }
    998 
    999 int
   1000 eap_mixer_get_port(addr, cp)
   1001 	void *addr;
   1002 	mixer_ctrl_t *cp;
   1003 {
   1004 	struct eap_softc *sc = addr;
   1005 	int la, ra, l, r;
   1006 
   1007 	switch (cp->dev) {
   1008 	case EAP_RECORD_SOURCE:
   1009 		cp->un.mask = sc->sc_record_source;
   1010 		return (0);
   1011 	case EAP_MASTER_VOL:
   1012 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
   1013 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
   1014 		break;
   1015 	case EAP_MIC_VOL:
   1016 		if (cp->un.value.num_channels != 1)
   1017 			return (EINVAL);
   1018 		la = ra = AK_MIC;
   1019 		goto lr;
   1020 	case EAP_VOICE_VOL:
   1021 		la = AK_VOICE_L;
   1022 		ra = AK_VOICE_R;
   1023 		goto lr;
   1024 	case EAP_FM_VOL:
   1025 		la = AK_FM_L;
   1026 		ra = AK_FM_R;
   1027 		goto lr;
   1028 	case EAP_CD_VOL:
   1029 		la = AK_CD_L;
   1030 		ra = AK_CD_R;
   1031 		goto lr;
   1032 	case EAP_LINE_VOL:
   1033 		la = AK_LINE_L;
   1034 		ra = AK_LINE_R;
   1035 		goto lr;
   1036 	case EAP_AUX_VOL:
   1037 		la = AK_AUX_L;
   1038 		ra = AK_AUX_R;
   1039 	lr:
   1040 		l = GAIN5_TO_VOL(sc->sc_port[la]);
   1041 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
   1042 		break;
   1043 	default:
   1044 		return (EINVAL);
   1045 	}
   1046 	if (cp->un.value.num_channels == 1)
   1047 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
   1048 	else if (cp->un.value.num_channels == 2) {
   1049 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
   1050 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
   1051 	}
   1052 	return (0);
   1053 }
   1054 
   1055 #define AudioNaux	"aux"
   1056 
   1057 int
   1058 eap_query_devinfo(addr, dip)
   1059 	void *addr;
   1060 	mixer_devinfo_t *dip;
   1061 {
   1062 	switch (dip->index) {
   1063 	case EAP_MASTER_VOL:
   1064 		dip->type = AUDIO_MIXER_VALUE;
   1065 		dip->mixer_class = EAP_OUTPUT_CLASS;
   1066 		dip->prev = dip->next = AUDIO_MIXER_LAST;
   1067 		strcpy(dip->label.name, AudioNmaster);
   1068 		dip->un.v.num_channels = 2;
   1069 		strcpy(dip->un.v.units.name, AudioNvolume);
   1070 		return (0);
   1071 	case EAP_VOICE_VOL:
   1072 		dip->type = AUDIO_MIXER_VALUE;
   1073 		dip->mixer_class = EAP_INPUT_CLASS;
   1074 		dip->prev = AUDIO_MIXER_LAST;
   1075 		dip->next = AUDIO_MIXER_LAST;
   1076 		strcpy(dip->label.name, AudioNdac);
   1077 		dip->un.v.num_channels = 2;
   1078 		strcpy(dip->un.v.units.name, AudioNvolume);
   1079 		return (0);
   1080 	case EAP_FM_VOL:
   1081 		dip->type = AUDIO_MIXER_VALUE;
   1082 		dip->mixer_class = EAP_INPUT_CLASS;
   1083 		dip->prev = AUDIO_MIXER_LAST;
   1084 		dip->next = AUDIO_MIXER_LAST;
   1085 		strcpy(dip->label.name, AudioNfmsynth);
   1086 		dip->un.v.num_channels = 2;
   1087 		strcpy(dip->un.v.units.name, AudioNvolume);
   1088 		return (0);
   1089 	case EAP_CD_VOL:
   1090 		dip->type = AUDIO_MIXER_VALUE;
   1091 		dip->mixer_class = EAP_INPUT_CLASS;
   1092 		dip->prev = AUDIO_MIXER_LAST;
   1093 		dip->next = AUDIO_MIXER_LAST;
   1094 		strcpy(dip->label.name, AudioNcd);
   1095 		dip->un.v.num_channels = 2;
   1096 		strcpy(dip->un.v.units.name, AudioNvolume);
   1097 		return (0);
   1098 	case EAP_LINE_VOL:
   1099 		dip->type = AUDIO_MIXER_VALUE;
   1100 		dip->mixer_class = EAP_INPUT_CLASS;
   1101 		dip->prev = AUDIO_MIXER_LAST;
   1102 		dip->next = AUDIO_MIXER_LAST;
   1103 		strcpy(dip->label.name, AudioNline);
   1104 		dip->un.v.num_channels = 2;
   1105 		strcpy(dip->un.v.units.name, AudioNvolume);
   1106 		return (0);
   1107 	case EAP_AUX_VOL:
   1108 		dip->type = AUDIO_MIXER_VALUE;
   1109 		dip->mixer_class = EAP_INPUT_CLASS;
   1110 		dip->prev = AUDIO_MIXER_LAST;
   1111 		dip->next = AUDIO_MIXER_LAST;
   1112 		strcpy(dip->label.name, AudioNaux);
   1113 		dip->un.v.num_channels = 2;
   1114 		strcpy(dip->un.v.units.name, AudioNvolume);
   1115 		return (0);
   1116 	case EAP_MIC_VOL:
   1117 		dip->type = AUDIO_MIXER_VALUE;
   1118 		dip->mixer_class = EAP_INPUT_CLASS;
   1119 		dip->prev = AUDIO_MIXER_LAST;
   1120 		dip->next = AUDIO_MIXER_LAST;
   1121 		strcpy(dip->label.name, AudioNmicrophone);
   1122 		dip->un.v.num_channels = 1;
   1123 		strcpy(dip->un.v.units.name, AudioNvolume);
   1124 		return (0);
   1125 	case EAP_RECORD_SOURCE:
   1126 		dip->mixer_class = EAP_RECORD_CLASS;
   1127 		dip->prev = dip->next = AUDIO_MIXER_LAST;
   1128 		strcpy(dip->label.name, AudioNsource);
   1129 		dip->type = AUDIO_MIXER_SET;
   1130 		dip->un.s.num_mem = 5;
   1131 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
   1132 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
   1133 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
   1134 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
   1135 		strcpy(dip->un.s.member[2].label.name, AudioNline);
   1136 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
   1137 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
   1138 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
   1139 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
   1140 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
   1141 		return (0);
   1142 	case EAP_OUTPUT_CLASS:
   1143 		dip->type = AUDIO_MIXER_CLASS;
   1144 		dip->mixer_class = EAP_OUTPUT_CLASS;
   1145 		dip->next = dip->prev = AUDIO_MIXER_LAST;
   1146 		strcpy(dip->label.name, AudioCoutputs);
   1147 		return (0);
   1148 	case EAP_RECORD_CLASS:
   1149 		dip->type = AUDIO_MIXER_CLASS;
   1150 		dip->mixer_class = EAP_RECORD_CLASS;
   1151 		dip->next = dip->prev = AUDIO_MIXER_LAST;
   1152 		strcpy(dip->label.name, AudioCrecord);
   1153 		return (0);
   1154 	case EAP_INPUT_CLASS:
   1155 		dip->type = AUDIO_MIXER_CLASS;
   1156 		dip->mixer_class = EAP_INPUT_CLASS;
   1157 		dip->next = dip->prev = AUDIO_MIXER_LAST;
   1158 		strcpy(dip->label.name, AudioCinputs);
   1159 		return (0);
   1160 	}
   1161 	return (ENXIO);
   1162 }
   1163 
   1164 void *
   1165 eap_malloc(addr, size, pool, flags)
   1166 	void *addr;
   1167 	u_long size;
   1168 	int pool;
   1169 	int flags;
   1170 {
   1171 	struct eap_softc *sc = addr;
   1172         struct eap_dma *p;
   1173         int error;
   1174 
   1175         p = malloc(sizeof(*p), pool, flags);
   1176         if (!p)
   1177                 return (0);
   1178         error = eap_allocmem(sc, size, 16, p);
   1179         if (error) {
   1180                 free(p, pool);
   1181         	return (0);
   1182         }
   1183         p->next = sc->sc_dmas;
   1184         sc->sc_dmas = p;
   1185 	return (KERNADDR(p));
   1186 }
   1187 
   1188 void
   1189 eap_free(addr, ptr, pool)
   1190 	void *addr;
   1191 	void *ptr;
   1192 	int pool;
   1193 {
   1194 	struct eap_softc *sc = addr;
   1195         struct eap_dma **p;
   1196 
   1197         for (p = &sc->sc_dmas; *p; p = &(*p)->next) {
   1198                 if (KERNADDR(*p) == ptr) {
   1199                         eap_freemem(sc, *p);
   1200                         *p = (*p)->next;
   1201                         free(*p, pool);
   1202                         return;
   1203                 }
   1204         }
   1205 }
   1206 
   1207 u_long
   1208 eap_round(addr, size)
   1209 	void *addr;
   1210 	u_long size;
   1211 {
   1212 	return (size);
   1213 }
   1214 
   1215 int
   1216 eap_mappage(addr, mem, off, prot)
   1217 	void *addr;
   1218         void *mem;
   1219         int off;
   1220 	int prot;
   1221 {
   1222 	struct eap_softc *sc = addr;
   1223         struct eap_dma *p;
   1224 
   1225         for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
   1226 		;
   1227 	if (!p)
   1228 		return (-1);
   1229 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
   1230 				off, prot, BUS_DMA_WAITOK));
   1231 }
   1232 
   1233 int
   1234 eap_get_props(addr)
   1235 	void *addr;
   1236 {
   1237 	return (AUDIO_PROP_MMAP | AUDIO_PROP_FULLDUPLEX);
   1238 }
   1239