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zaudio.c revision 1.4.10.1
      1  1.4.10.1     matt /*	$NetBSD: zaudio.c,v 1.4.10.1 2007/11/06 23:24:40 matt Exp $	*/
      2       1.1     ober /*	$OpenBSD: zaurus_audio.c,v 1.8 2005/08/18 13:23:02 robert Exp $	*/
      3       1.1     ober 
      4       1.1     ober /*
      5       1.1     ober  * Copyright (c) 2005 Christopher Pascoe <pascoe (at) openbsd.org>
      6       1.1     ober  *
      7       1.1     ober  * Permission to use, copy, modify, and distribute this software for any
      8       1.1     ober  * purpose with or without fee is hereby granted, provided that the above
      9       1.1     ober  * copyright notice and this permission notice appear in all copies.
     10       1.1     ober  *
     11       1.1     ober  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     12       1.1     ober  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     13       1.1     ober  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     14       1.1     ober  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     15       1.1     ober  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     16       1.1     ober  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     17       1.1     ober  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     18       1.1     ober  */
     19       1.1     ober 
     20       1.1     ober /*
     21       1.1     ober  * TODO:
     22       1.1     ober  *	- powerhooks (currently only works until first suspend)
     23       1.1     ober  *	- record support
     24       1.1     ober  */
     25       1.1     ober 
     26       1.1     ober #include <sys/cdefs.h>
     27       1.1     ober __KERNEL_RCSID(0, "$NetBSD");
     28       1.1     ober 
     29       1.1     ober #include <sys/param.h>
     30       1.1     ober #include <sys/systm.h>
     31       1.1     ober #include <sys/callout.h>
     32       1.1     ober #include <sys/device.h>
     33       1.1     ober #include <sys/malloc.h>
     34       1.1     ober #include <sys/kernel.h>
     35       1.1     ober #include <sys/audioio.h>
     36       1.1     ober 
     37       1.1     ober #include <machine/intr.h>
     38       1.1     ober #include <machine/bus.h>
     39       1.1     ober 
     40       1.1     ober #include <arm/xscale/pxa2x0reg.h>
     41       1.1     ober #include <arm/xscale/pxa2x0var.h>
     42       1.1     ober #include <arm/xscale/pxa2x0_i2c.h>
     43       1.1     ober #include <arm/xscale/pxa2x0_i2s.h>
     44       1.1     ober #include <arm/xscale/pxa2x0_dmac.h>
     45       1.1     ober #include <arm/xscale/pxa2x0_gpio.h>
     46       1.1     ober 
     47       1.1     ober #include <dev/audio_if.h>
     48       1.1     ober #include <dev/mulaw.h>
     49       1.1     ober #include <dev/auconv.h>
     50       1.1     ober 
     51       1.1     ober #include <zaurus/dev/wm8750reg.h>
     52       1.1     ober #include <zaurus/dev/scoopvar.h>
     53       1.1     ober 
     54       1.1     ober #define WM8750_ADDRESS  0x1B
     55       1.1     ober #define SPKR_VOLUME	112
     56       1.1     ober 
     57       1.1     ober #define wm8750_write(sc, reg, val) \
     58       1.1     ober 	pxa2x0_i2c_write_2(&sc->sc_i2c, WM8750_ADDRESS, \
     59       1.1     ober 	    (((reg) << 9) | ((val) & 0x1ff)))
     60       1.1     ober 
     61       1.1     ober static int	zaudio_match(struct device *, struct cfdata *, void *);
     62       1.1     ober static void	zaudio_attach(struct device *, struct device *, void *);
     63       1.1     ober static int	zaudio_detach(struct device *, int);
     64       1.1     ober static void	zaudio_power(int, void *);
     65       1.1     ober 
     66       1.1     ober #define ZAUDIO_OP_SPKR	0
     67       1.1     ober #define ZAUDIO_OP_HP	1
     68       1.1     ober 
     69       1.1     ober #define ZAUDIO_JACK_STATE_OUT	0
     70       1.1     ober #define ZAUDIO_JACK_STATE_IN	1
     71       1.1     ober #define ZAUDIO_JACK_STATE_INS	2
     72       1.1     ober #define ZAUDIO_JACK_STATE_REM	3
     73       1.1     ober 
     74       1.1     ober /* GPIO pins */
     75       1.1     ober #define GPIO_HP_IN_C3000	116
     76       1.1     ober 
     77       1.1     ober struct zaudio_volume {
     78       1.1     ober 	u_int8_t		left;
     79       1.1     ober 	u_int8_t		right;
     80       1.1     ober };
     81       1.1     ober 
     82       1.1     ober struct zaudio_softc {
     83       1.1     ober 	struct device		sc_dev;
     84       1.1     ober 
     85       1.1     ober 	/* i2s device softc */
     86       1.1     ober 	/* NB: pxa2x0_i2s requires this to be the second struct member */
     87       1.1     ober 	struct pxa2x0_i2s_softc	sc_i2s;
     88       1.1     ober 
     89       1.1     ober 	/* i2c device softc */
     90       1.1     ober 	struct pxa2x0_i2c_softc	sc_i2c;
     91       1.1     ober 
     92       1.1     ober 	void			*sc_powerhook;
     93       1.1     ober 	int			sc_playing;
     94       1.1     ober 
     95       1.1     ober 	struct zaudio_volume	sc_volume[2];
     96       1.1     ober 	char			sc_unmute[2];
     97       1.1     ober 
     98       1.1     ober 	int			sc_state;
     99       1.1     ober 	int			sc_icount;
    100       1.1     ober 	struct callout		sc_to;
    101       1.1     ober };
    102       1.1     ober 
    103       1.1     ober CFATTACH_DECL(zaudio, sizeof(struct zaudio_softc),
    104       1.1     ober     zaudio_match, zaudio_attach, zaudio_detach, NULL);
    105       1.1     ober 
    106       1.2    peter static struct audio_device wm8750_device = {
    107       1.1     ober 	"WM8750",
    108       1.1     ober 	"1.0",
    109       1.1     ober 	"wm"
    110       1.1     ober };
    111       1.1     ober 
    112       1.2    peter #define ZAUDIO_NFORMATS	4
    113       1.2    peter static const struct audio_format zaudio_formats[ZAUDIO_NFORMATS] = {
    114       1.2    peter 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    115       1.2    peter 	 2, AUFMT_STEREO, 0, {4000, 48000}},
    116       1.2    peter 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
    117       1.2    peter 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
    118       1.2    peter 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    119       1.2    peter 	 2, AUFMT_STEREO, 0, {4000, 48000}},
    120       1.2    peter 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
    121       1.2    peter 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
    122       1.2    peter };
    123       1.2    peter 
    124       1.1     ober void zaudio_init(struct zaudio_softc *);
    125       1.2    peter static int zaudio_jack_intr(void *);
    126       1.1     ober void zaudio_jack(void *);
    127       1.1     ober void zaudio_standby(struct zaudio_softc *);
    128       1.1     ober void zaudio_update_volume(struct zaudio_softc *, int);
    129       1.1     ober void zaudio_update_mutes(struct zaudio_softc *);
    130       1.1     ober void zaudio_play_setup(struct zaudio_softc *);
    131       1.2    peter static int zaudio_open(void *, int);
    132       1.2    peter static void zaudio_close(void *);
    133       1.2    peter static int zaudio_query_encoding(void *, struct audio_encoding *);
    134       1.2    peter static int zaudio_set_params(void *, int, int, audio_params_t *,
    135       1.2    peter     audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
    136       1.2    peter static int zaudio_round_blocksize(void *, int, int, const audio_params_t *);
    137       1.2    peter static int zaudio_start_output(void *, void *, int, void (*)(void *), void *);
    138       1.2    peter static int zaudio_start_input(void *, void *, int, void (*)(void *), void *);
    139       1.2    peter static int zaudio_halt_output(void *);
    140       1.2    peter static int zaudio_halt_input(void *);
    141       1.2    peter static int zaudio_getdev(void *, struct audio_device *);
    142       1.2    peter static int zaudio_set_port(void *, struct mixer_ctrl *);
    143       1.2    peter static int zaudio_get_port(void *, struct mixer_ctrl *);
    144       1.2    peter static int zaudio_query_devinfo(void *, struct mixer_devinfo *);
    145       1.2    peter static void *zaudio_allocm(void *, int, size_t, struct malloc_type *, int);
    146       1.2    peter static void zaudio_freem(void  *, void *, struct malloc_type *);
    147       1.2    peter static size_t zaudio_round_buffersize(void *, int, size_t);
    148       1.2    peter static paddr_t zaudio_mappage(void *, void *, off_t, int);
    149       1.2    peter static int zaudio_get_props(void *);
    150       1.1     ober 
    151       1.1     ober struct audio_hw_if wm8750_hw_if = {
    152       1.1     ober 	zaudio_open,
    153       1.1     ober 	zaudio_close,
    154       1.2    peter 	NULL,
    155       1.1     ober 	zaudio_query_encoding,
    156       1.1     ober 	zaudio_set_params,
    157       1.2    peter 	zaudio_round_blocksize,
    158       1.2    peter 	NULL,
    159       1.2    peter 	NULL,
    160       1.2    peter 	NULL,
    161       1.1     ober 	zaudio_start_output,
    162       1.1     ober 	zaudio_start_input,
    163       1.1     ober 	zaudio_halt_output,
    164       1.1     ober 	zaudio_halt_input,
    165       1.2    peter 	NULL,
    166       1.1     ober 	zaudio_getdev,
    167       1.2    peter 	NULL,
    168       1.1     ober 	zaudio_set_port,
    169       1.1     ober 	zaudio_get_port,
    170       1.1     ober 	zaudio_query_devinfo,
    171       1.2    peter 	zaudio_allocm,
    172       1.2    peter 	zaudio_freem,
    173       1.2    peter 	zaudio_round_buffersize,
    174       1.2    peter 	zaudio_mappage,
    175       1.1     ober 	zaudio_get_props,
    176       1.2    peter 	NULL,
    177       1.2    peter 	NULL,
    178       1.2    peter 	NULL,
    179       1.1     ober };
    180       1.1     ober 
    181       1.2    peter static const uint16_t playback_registers[][2] = {
    182       1.1     ober 	/* Unmute DAC */
    183       1.1     ober 	{ ADCDACCTL_REG, 0x000 },
    184       1.1     ober 
    185       1.1     ober 	/* 16 bit audio words */
    186       1.1     ober 	{ AUDINT_REG, AUDINT_SET_FORMAT(2) },
    187       1.1     ober 
    188       1.1     ober 	/* Enable thermal protection, power */
    189       1.1     ober 	{ ADCTL1_REG, ADCTL1_TSDEN | ADCTL1_SET_VSEL(3) },
    190       1.1     ober 
    191       1.1     ober 	/* Enable speaker driver, DAC oversampling */
    192       1.1     ober 	{ ADCTL2_REG, ADCTL2_ROUT2INV | ADCTL2_DACOSR },
    193       1.1     ober 
    194       1.1     ober 	/* Set DAC voltage references */
    195       1.1     ober 	{ PWRMGMT1_REG, PWRMGMT1_SET_VMIDSEL(1) | PWRMGMT1_VREF },
    196       1.1     ober 
    197       1.1     ober 	/* Direct DACs to output mixers */
    198       1.1     ober 	{ LOUTMIX1_REG, LOUTMIX1_LD2LO },
    199       1.1     ober 	{ ROUTMIX2_REG, ROUTMIX2_RD2RO },
    200       1.1     ober 
    201       1.1     ober 	/* End of list */
    202       1.1     ober 	{ 0xffff, 0xffff }
    203       1.1     ober };
    204       1.1     ober 
    205       1.1     ober static int
    206       1.1     ober zaudio_match(struct device *parent, struct cfdata *cf, void *aux)
    207       1.1     ober {
    208       1.1     ober 
    209       1.1     ober 	return 1;
    210       1.1     ober }
    211       1.1     ober 
    212       1.1     ober static void
    213       1.1     ober zaudio_attach(struct device *parent, struct device *self, void *aux)
    214       1.1     ober {
    215       1.2    peter 	struct zaudio_softc *sc = (struct zaudio_softc *)self;
    216       1.2    peter 	struct pxaip_attach_args *pxa = aux;
    217       1.2    peter 	int rv;
    218       1.1     ober 
    219       1.2    peter 	sc->sc_powerhook = powerhook_establish(sc->sc_dev.dv_xname,
    220       1.2    peter 	    zaudio_power, sc);
    221       1.1     ober 	if (sc->sc_powerhook == NULL) {
    222       1.1     ober 		printf(": unable to establish powerhook\n");
    223       1.1     ober 		return;
    224       1.1     ober 	}
    225       1.1     ober 
    226       1.1     ober 	sc->sc_i2s.sc_iot = pxa->pxa_iot;
    227       1.1     ober 	sc->sc_i2s.sc_dmat = pxa->pxa_dmat;
    228       1.1     ober 	sc->sc_i2s.sc_size = PXA2X0_I2S_SIZE;
    229       1.1     ober 	if (pxa2x0_i2s_attach_sub(&sc->sc_i2s)) {
    230       1.1     ober 		printf(": unable to attach I2S\n");
    231       1.1     ober 		goto fail_i2s;
    232       1.1     ober 	}
    233       1.1     ober 
    234       1.1     ober 	sc->sc_i2c.sc_iot = pxa->pxa_iot;
    235       1.1     ober 	sc->sc_i2c.sc_size = PXA2X0_I2C_SIZE;
    236       1.1     ober 	if (pxa2x0_i2c_attach_sub(&sc->sc_i2c)) {
    237       1.1     ober 		printf(": unable to attach I2C\n");
    238       1.1     ober 		goto fail_i2c;
    239       1.1     ober 	}
    240       1.1     ober 
    241       1.1     ober 	/* Check for an I2C response from the wm8750 */
    242       1.1     ober 	pxa2x0_i2c_open(&sc->sc_i2c);
    243       1.2    peter 	rv = wm8750_write(sc, RESET_REG, 0);
    244       1.1     ober 	pxa2x0_i2c_close(&sc->sc_i2c);
    245       1.1     ober 
    246       1.2    peter 	if (rv) {
    247       1.1     ober 		printf(": codec failed to respond\n");
    248       1.1     ober 		goto fail_probe;
    249       1.1     ober 	}
    250       1.1     ober 	delay(100);
    251       1.1     ober 
    252       1.1     ober 	/* Speaker on, headphones off by default. */
    253       1.1     ober 	sc->sc_volume[ZAUDIO_OP_SPKR].left = 240;
    254       1.1     ober 	sc->sc_unmute[ZAUDIO_OP_SPKR] = 1;
    255       1.1     ober 	sc->sc_volume[ZAUDIO_OP_HP].left = 180;
    256       1.1     ober 	sc->sc_volume[ZAUDIO_OP_HP].right = 180;
    257       1.1     ober 	sc->sc_unmute[ZAUDIO_OP_HP] = 0;
    258       1.1     ober 
    259       1.1     ober 	/* Configure headphone jack state change handling. */
    260       1.4       ad 	callout_init(&sc->sc_to, 0);
    261       1.1     ober 	callout_setfunc(&sc->sc_to, zaudio_jack, sc);
    262       1.1     ober 	pxa2x0_gpio_set_function(GPIO_HP_IN_C3000, GPIO_IN);
    263       1.1     ober 	(void)pxa2x0_gpio_intr_establish(GPIO_HP_IN_C3000,
    264       1.2    peter 	    IST_EDGE_BOTH, IPL_BIO, zaudio_jack_intr, sc);
    265       1.1     ober 
    266       1.1     ober 	zaudio_init(sc);
    267       1.1     ober 
    268       1.1     ober 	printf(": I2C, I2S, WM8750 Audio\n");
    269       1.1     ober 
    270       1.1     ober 	audio_attach_mi(&wm8750_hw_if, sc, &sc->sc_dev);
    271       1.1     ober 
    272       1.1     ober 	return;
    273       1.1     ober 
    274       1.1     ober fail_probe:
    275       1.1     ober 	pxa2x0_i2c_detach_sub(&sc->sc_i2c);
    276       1.1     ober fail_i2c:
    277       1.1     ober 	pxa2x0_i2s_detach_sub(&sc->sc_i2s);
    278       1.1     ober fail_i2s:
    279       1.1     ober 	powerhook_disestablish(sc->sc_powerhook);
    280       1.1     ober }
    281       1.1     ober 
    282       1.2    peter static int
    283       1.1     ober zaudio_detach(struct device *self, int flags)
    284       1.1     ober {
    285       1.1     ober 	struct zaudio_softc *sc = (struct zaudio_softc *)self;
    286       1.1     ober 
    287       1.1     ober 	if (sc->sc_powerhook != NULL) {
    288       1.1     ober 		powerhook_disestablish(sc->sc_powerhook);
    289       1.1     ober 		sc->sc_powerhook = NULL;
    290       1.1     ober 	}
    291       1.1     ober 
    292       1.1     ober 	pxa2x0_i2c_detach_sub(&sc->sc_i2c);
    293       1.1     ober 	pxa2x0_i2s_detach_sub(&sc->sc_i2s);
    294       1.1     ober 
    295       1.1     ober 	return 0;
    296       1.1     ober }
    297       1.1     ober 
    298       1.1     ober static void
    299       1.1     ober zaudio_power(int why, void *arg)
    300       1.1     ober {
    301       1.1     ober 	struct zaudio_softc *sc = arg;
    302       1.1     ober 
    303       1.1     ober 	switch (why) {
    304       1.1     ober 	case PWR_STANDBY:
    305       1.1     ober 	case PWR_SUSPEND:
    306       1.1     ober 		callout_stop(&sc->sc_to);
    307       1.1     ober 		zaudio_standby(sc);
    308       1.1     ober 		break;
    309       1.1     ober 
    310       1.1     ober 	case PWR_RESUME:
    311       1.1     ober 		pxa2x0_i2s_init(&sc->sc_i2s);
    312       1.1     ober 		pxa2x0_i2c_init(&sc->sc_i2c);
    313       1.1     ober 		zaudio_init(sc);
    314       1.1     ober 		break;
    315       1.1     ober 	}
    316       1.1     ober }
    317       1.1     ober 
    318       1.1     ober void
    319       1.1     ober zaudio_init(struct zaudio_softc *sc)
    320       1.1     ober {
    321       1.2    peter 
    322       1.1     ober 	pxa2x0_i2c_open(&sc->sc_i2c);
    323       1.1     ober 
    324       1.1     ober 	/* Reset the codec */
    325       1.1     ober 	wm8750_write(sc, RESET_REG, 0);
    326       1.1     ober 	delay(100);
    327       1.1     ober 
    328       1.1     ober 	/* Switch to standby power only */
    329       1.1     ober 	wm8750_write(sc, PWRMGMT1_REG, PWRMGMT1_SET_VMIDSEL(2));
    330       1.1     ober 	wm8750_write(sc, PWRMGMT2_REG, 0);
    331       1.1     ober 
    332       1.1     ober 	/* Configure digital interface for I2S */
    333       1.1     ober 	wm8750_write(sc, AUDINT_REG, AUDINT_SET_FORMAT(2));
    334       1.1     ober 
    335       1.1     ober 	/* Initialise volume levels */
    336       1.1     ober 	zaudio_update_volume(sc, ZAUDIO_OP_SPKR);
    337       1.1     ober 	zaudio_update_volume(sc, ZAUDIO_OP_HP);
    338       1.1     ober 
    339       1.1     ober 	pxa2x0_i2c_close(&sc->sc_i2c);
    340       1.1     ober 
    341       1.2    peter 	scoop_set_headphone(0);
    342       1.2    peter 
    343       1.1     ober 	/* Assume that the jack state has changed. */
    344       1.1     ober 	zaudio_jack(sc);
    345       1.1     ober 
    346       1.1     ober }
    347       1.1     ober 
    348       1.2    peter static int
    349       1.1     ober zaudio_jack_intr(void *v)
    350       1.1     ober {
    351       1.1     ober 	struct zaudio_softc *sc = v;
    352       1.1     ober 
    353       1.1     ober 	if (!callout_active(&sc->sc_to))
    354       1.1     ober 		zaudio_jack(sc);
    355       1.1     ober 
    356       1.2    peter 	return 1;
    357       1.1     ober }
    358       1.1     ober 
    359       1.1     ober void
    360       1.1     ober zaudio_jack(void *v)
    361       1.1     ober {
    362       1.1     ober 	struct zaudio_softc *sc = v;
    363       1.1     ober 
    364       1.1     ober 	switch (sc->sc_state) {
    365       1.1     ober 	case ZAUDIO_JACK_STATE_OUT:
    366       1.1     ober 		if (pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
    367       1.1     ober 			sc->sc_state = ZAUDIO_JACK_STATE_INS;
    368       1.1     ober 			sc->sc_icount = 0;
    369       1.1     ober 		}
    370       1.1     ober 		break;
    371       1.2    peter 
    372       1.1     ober 	case ZAUDIO_JACK_STATE_INS:
    373       1.1     ober 		if (sc->sc_icount++ > 2) {
    374       1.1     ober 			if (pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
    375       1.1     ober 				sc->sc_state = ZAUDIO_JACK_STATE_IN;
    376       1.1     ober 				sc->sc_unmute[ZAUDIO_OP_SPKR] = 0;
    377       1.1     ober 				sc->sc_unmute[ZAUDIO_OP_HP] = 1;
    378       1.1     ober 				goto update_mutes;
    379       1.1     ober 			} else
    380       1.1     ober 				sc->sc_state = ZAUDIO_JACK_STATE_OUT;
    381       1.1     ober 		}
    382       1.1     ober 		break;
    383       1.2    peter 
    384       1.1     ober 	case ZAUDIO_JACK_STATE_IN:
    385       1.1     ober 		if (!pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
    386       1.1     ober 			sc->sc_state = ZAUDIO_JACK_STATE_REM;
    387       1.1     ober 			sc->sc_icount = 0;
    388       1.1     ober 		}
    389       1.1     ober 		break;
    390       1.2    peter 
    391       1.1     ober 	case ZAUDIO_JACK_STATE_REM:
    392       1.1     ober 		if (sc->sc_icount++ > 2) {
    393       1.1     ober 			if (!pxa2x0_gpio_get_bit(GPIO_HP_IN_C3000)) {
    394       1.1     ober 				sc->sc_state = ZAUDIO_JACK_STATE_OUT;
    395       1.1     ober 				sc->sc_unmute[ZAUDIO_OP_SPKR] = 1;
    396       1.1     ober 				sc->sc_unmute[ZAUDIO_OP_HP] = 0;
    397       1.1     ober 				goto update_mutes;
    398       1.1     ober 			} else
    399       1.1     ober 				sc->sc_state = ZAUDIO_JACK_STATE_IN;
    400       1.1     ober 		}
    401       1.1     ober 		break;
    402       1.1     ober 	}
    403       1.1     ober 
    404       1.1     ober 	callout_schedule(&sc->sc_to, hz/4);
    405       1.2    peter 
    406       1.1     ober 	return;
    407       1.1     ober 
    408       1.1     ober update_mutes:
    409       1.1     ober 	callout_stop(&sc->sc_to);
    410       1.1     ober 
    411       1.1     ober 	if (sc->sc_playing) {
    412       1.1     ober 		pxa2x0_i2c_open(&sc->sc_i2c);
    413       1.1     ober 		zaudio_update_mutes(sc);
    414       1.1     ober 		pxa2x0_i2c_close(&sc->sc_i2c);
    415       1.1     ober 	}
    416       1.1     ober }
    417       1.1     ober 
    418       1.1     ober void
    419       1.1     ober zaudio_standby(struct zaudio_softc *sc)
    420       1.1     ober {
    421       1.2    peter 
    422       1.1     ober 	pxa2x0_i2c_open(&sc->sc_i2c);
    423       1.1     ober 
    424       1.1     ober 	/* Switch codec to standby power only */
    425       1.1     ober 	wm8750_write(sc, PWRMGMT1_REG, PWRMGMT1_SET_VMIDSEL(2));
    426       1.1     ober 	wm8750_write(sc, PWRMGMT2_REG, 0);
    427       1.1     ober 
    428       1.2    peter 	pxa2x0_i2c_close(&sc->sc_i2c);
    429       1.2    peter 
    430       1.1     ober 	scoop_set_headphone(0);
    431       1.1     ober }
    432       1.1     ober 
    433       1.1     ober void
    434       1.1     ober zaudio_update_volume(struct zaudio_softc *sc, int output)
    435       1.1     ober {
    436       1.2    peter 
    437       1.2    peter 	switch (output) {
    438       1.1     ober 	case ZAUDIO_OP_SPKR:
    439       1.1     ober 		wm8750_write(sc, LOUT2VOL_REG, LOUT2VOL_LO2VU | LOUT2VOL_LO2ZC |
    440       1.1     ober 		    LOUT2VOL_SET_LOUT2VOL(sc->sc_volume[ZAUDIO_OP_SPKR
    441       1.1     ober 		    ].left >> 1));
    442       1.1     ober 		wm8750_write(sc, ROUT2VOL_REG, ROUT2VOL_RO2VU | ROUT2VOL_RO2ZC |
    443       1.1     ober 		    ROUT2VOL_SET_ROUT2VOL(sc->sc_volume[ZAUDIO_OP_SPKR
    444       1.1     ober 		    ].left >> 1));
    445       1.1     ober 		break;
    446       1.2    peter 
    447       1.1     ober 	case ZAUDIO_OP_HP:
    448       1.1     ober 		wm8750_write(sc, LOUT1VOL_REG, LOUT1VOL_LO1VU | LOUT1VOL_LO1ZC |
    449       1.1     ober 		    LOUT1VOL_SET_LOUT1VOL(sc->sc_volume[ZAUDIO_OP_HP
    450       1.1     ober 		    ].left >> 1));
    451       1.1     ober 		wm8750_write(sc, ROUT1VOL_REG, ROUT1VOL_RO1VU | ROUT1VOL_RO1ZC |
    452       1.1     ober 		    ROUT1VOL_SET_ROUT1VOL(sc->sc_volume[ZAUDIO_OP_HP
    453       1.1     ober 		    ].right >> 1));
    454       1.1     ober 		break;
    455       1.1     ober 	}
    456       1.1     ober }
    457       1.1     ober 
    458       1.1     ober void
    459       1.1     ober zaudio_update_mutes(struct zaudio_softc *sc)
    460       1.1     ober {
    461       1.2    peter 	uint16_t val;
    462       1.1     ober 
    463       1.1     ober 	val = PWRMGMT2_DACL | PWRMGMT2_DACR;
    464       1.1     ober 
    465       1.1     ober 	if (sc->sc_unmute[ZAUDIO_OP_SPKR])
    466       1.1     ober 		val |= PWRMGMT2_LOUT2 | PWRMGMT2_ROUT2;
    467       1.1     ober 
    468       1.1     ober 	if (sc->sc_unmute[ZAUDIO_OP_HP])
    469       1.1     ober 		val |= PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1;
    470       1.1     ober 
    471       1.1     ober 	wm8750_write(sc, PWRMGMT2_REG, val);
    472       1.1     ober 
    473       1.1     ober 	scoop_set_headphone(sc->sc_unmute[ZAUDIO_OP_HP]);
    474       1.1     ober }
    475       1.1     ober 
    476       1.1     ober void
    477       1.1     ober zaudio_play_setup(struct zaudio_softc *sc)
    478       1.1     ober {
    479       1.2    peter 	int i;
    480       1.1     ober 
    481       1.1     ober 	pxa2x0_i2c_open(&sc->sc_i2c);
    482       1.1     ober 
    483       1.1     ober 	/* Program the codec with playback settings */
    484       1.2    peter 	for (i = 0; playback_registers[i][0] != 0xffff; i++) {
    485       1.1     ober 		wm8750_write(sc, playback_registers[i][0],
    486       1.1     ober 		    playback_registers[i][1]);
    487       1.1     ober 	}
    488       1.1     ober 	zaudio_update_mutes(sc);
    489       1.1     ober 
    490       1.1     ober 	pxa2x0_i2c_close(&sc->sc_i2c);
    491       1.1     ober }
    492       1.1     ober 
    493       1.2    peter /*
    494       1.2    peter  * audio operation functions.
    495       1.2    peter  */
    496       1.2    peter static int
    497       1.1     ober zaudio_open(void *hdl, int flags)
    498       1.1     ober {
    499       1.1     ober 	struct zaudio_softc *sc = hdl;
    500       1.1     ober 
    501       1.1     ober 	/* Power on the I2S bus and codec */
    502       1.1     ober 	pxa2x0_i2s_open(&sc->sc_i2s);
    503       1.1     ober 
    504       1.1     ober 	return 0;
    505       1.1     ober }
    506       1.1     ober 
    507       1.2    peter static void
    508       1.1     ober zaudio_close(void *hdl)
    509       1.1     ober {
    510       1.1     ober 	struct zaudio_softc *sc = hdl;
    511       1.1     ober 
    512       1.1     ober 	/* Power off the I2S bus and codec */
    513       1.1     ober 	pxa2x0_i2s_close(&sc->sc_i2s);
    514       1.1     ober }
    515       1.1     ober 
    516       1.2    peter static int
    517       1.1     ober zaudio_query_encoding(void *hdl, struct audio_encoding *aep)
    518       1.1     ober {
    519       1.2    peter 
    520       1.1     ober 	switch (aep->index) {
    521       1.1     ober 	case 0:
    522       1.1     ober 		strlcpy(aep->name, AudioEulinear, sizeof(aep->name));
    523       1.1     ober 		aep->encoding = AUDIO_ENCODING_ULINEAR;
    524       1.1     ober 		aep->precision = 8;
    525       1.1     ober 		aep->flags = 0;
    526       1.2    peter 		break;
    527       1.2    peter 
    528       1.1     ober 	case 1:
    529       1.1     ober 		strlcpy(aep->name, AudioEmulaw, sizeof(aep->name));
    530       1.1     ober 		aep->encoding = AUDIO_ENCODING_ULAW;
    531       1.1     ober 		aep->precision = 8;
    532       1.1     ober 		aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
    533       1.2    peter 		break;
    534       1.2    peter 
    535       1.1     ober 	case 2:
    536       1.1     ober 		strlcpy(aep->name, AudioEalaw, sizeof(aep->name));
    537       1.1     ober 		aep->encoding = AUDIO_ENCODING_ALAW;
    538       1.1     ober 		aep->precision = 8;
    539       1.1     ober 		aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
    540       1.2    peter 		break;
    541       1.2    peter 
    542       1.1     ober 	case 3:
    543       1.1     ober 		strlcpy(aep->name, AudioEslinear, sizeof(aep->name));
    544       1.1     ober 		aep->encoding = AUDIO_ENCODING_SLINEAR;
    545       1.1     ober 		aep->precision = 8;
    546       1.1     ober 		aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
    547       1.2    peter 		break;
    548       1.2    peter 
    549       1.1     ober 	case 4:
    550       1.1     ober 		strlcpy(aep->name, AudioEslinear_le, sizeof(aep->name));
    551       1.1     ober 		aep->encoding = AUDIO_ENCODING_SLINEAR_LE;
    552       1.1     ober 		aep->precision = 16;
    553       1.1     ober 		aep->flags = 0;
    554       1.2    peter 		break;
    555       1.2    peter 
    556       1.1     ober 	case 5:
    557       1.1     ober 		strlcpy(aep->name, AudioEulinear_le, sizeof(aep->name));
    558       1.1     ober 		aep->encoding = AUDIO_ENCODING_ULINEAR_LE;
    559       1.1     ober 		aep->precision = 16;
    560       1.1     ober 		aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
    561       1.2    peter 		break;
    562       1.2    peter 
    563       1.1     ober 	case 6:
    564       1.1     ober 		strlcpy(aep->name, AudioEslinear_be, sizeof(aep->name));
    565       1.1     ober 		aep->encoding = AUDIO_ENCODING_SLINEAR_BE;
    566       1.1     ober 		aep->precision = 16;
    567       1.1     ober 		aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
    568       1.2    peter 		break;
    569       1.2    peter 
    570       1.1     ober 	case 7:
    571       1.1     ober 		strlcpy(aep->name, AudioEulinear_be, sizeof(aep->name));
    572       1.1     ober 		aep->encoding = AUDIO_ENCODING_ULINEAR_BE;
    573       1.1     ober 		aep->precision = 16;
    574       1.1     ober 		aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
    575       1.2    peter 		break;
    576       1.2    peter 
    577       1.1     ober 	default:
    578       1.2    peter 		return EINVAL;
    579       1.1     ober 	}
    580       1.2    peter 
    581       1.2    peter 	return 0;
    582       1.1     ober }
    583       1.1     ober 
    584       1.2    peter static int
    585       1.1     ober zaudio_set_params(void *hdl, int setmode, int usemode,
    586       1.2    peter     audio_params_t *play, audio_params_t *rec,
    587       1.2    peter     stream_filter_list_t *pfil, stream_filter_list_t *rfil)
    588       1.1     ober {
    589       1.1     ober 	struct zaudio_softc *sc = hdl;
    590       1.2    peter 	struct audio_params *p;
    591       1.2    peter 	stream_filter_list_t *fil;
    592       1.2    peter 	int mode, i;
    593       1.2    peter 
    594       1.2    peter 	if (play->sample_rate != rec->sample_rate &&
    595       1.2    peter 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
    596       1.2    peter 		if (setmode == AUMODE_PLAY) {
    597       1.2    peter 			rec->sample_rate = play->sample_rate;
    598       1.2    peter 			setmode |= AUMODE_RECORD;
    599       1.2    peter 		} else if (setmode == AUMODE_RECORD) {
    600       1.2    peter 			play->sample_rate = rec->sample_rate;
    601       1.2    peter 			setmode |= AUMODE_PLAY;
    602       1.2    peter 		} else
    603       1.2    peter 			return EINVAL;
    604       1.2    peter 	}
    605       1.2    peter 
    606       1.2    peter 	for (mode = AUMODE_RECORD; mode != -1;
    607       1.2    peter 	     mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) {
    608       1.2    peter 		if ((setmode & mode) == 0)
    609       1.2    peter 			continue;
    610       1.2    peter 
    611       1.2    peter 		p = (mode == AUMODE_PLAY) ? play : rec;
    612       1.2    peter 
    613       1.2    peter 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
    614       1.2    peter 		    (p->precision != 8 && p->precision != 16) ||
    615       1.2    peter 		    (p->channels != 1 && p->channels != 2))
    616       1.2    peter 			return EINVAL;
    617       1.2    peter 
    618       1.2    peter 		fil = (mode == AUMODE_PLAY) ? pfil : rfil;
    619       1.2    peter 		i = auconv_set_converter(zaudio_formats, ZAUDIO_NFORMATS,
    620       1.3  thorpej 					 mode, p, false, fil);
    621       1.2    peter 		if (i < 0)
    622       1.2    peter 			return EINVAL;
    623       1.2    peter 	}
    624       1.2    peter 
    625       1.2    peter 	if (setmode == AUMODE_RECORD)
    626       1.2    peter 		pxa2x0_i2s_setspeed(&sc->sc_i2s, &rec->sample_rate);
    627       1.2    peter 	else
    628       1.1     ober 		pxa2x0_i2s_setspeed(&sc->sc_i2s, &play->sample_rate);
    629       1.1     ober 
    630       1.2    peter 	return 0;
    631       1.2    peter }
    632       1.1     ober 
    633       1.2    peter static int
    634       1.2    peter zaudio_round_blocksize(void *hdl, int bs, int mode, const audio_params_t *param)
    635       1.2    peter {
    636       1.2    peter 	struct zaudio_softc *sc = hdl;
    637       1.1     ober 
    638       1.2    peter 	return pxa2x0_i2s_round_blocksize(&sc->sc_i2s, bs, mode, param);
    639       1.1     ober }
    640       1.1     ober 
    641       1.2    peter 
    642       1.2    peter static int
    643       1.1     ober zaudio_halt_output(void *hdl)
    644       1.1     ober {
    645       1.1     ober 	struct zaudio_softc *sc = hdl;
    646       1.2    peter 	int rv;
    647       1.1     ober 
    648       1.2    peter 	rv = pxa2x0_i2s_halt_output(&sc->sc_i2s);
    649       1.1     ober 	zaudio_standby(sc);
    650       1.1     ober 	sc->sc_playing = 0;
    651       1.1     ober 
    652       1.2    peter 	return rv;
    653       1.1     ober }
    654       1.1     ober 
    655       1.2    peter static int
    656       1.1     ober zaudio_halt_input(void *hdl)
    657       1.1     ober {
    658       1.2    peter 	struct zaudio_softc *sc = hdl;
    659       1.2    peter 	int rv;
    660       1.2    peter 
    661       1.2    peter 	rv = pxa2x0_i2s_halt_input(&sc->sc_i2s);
    662       1.1     ober 
    663       1.2    peter 	return rv;
    664       1.1     ober }
    665       1.1     ober 
    666       1.2    peter static int
    667       1.1     ober zaudio_getdev(void *hdl, struct audio_device *ret)
    668       1.1     ober {
    669       1.1     ober 	/* struct zaudio_softc *sc = hdl; */
    670       1.1     ober 
    671       1.1     ober 	*ret = wm8750_device;
    672       1.1     ober 	return 0;
    673       1.1     ober }
    674       1.1     ober 
    675       1.1     ober #define ZAUDIO_SPKR_LVL		0
    676       1.1     ober #define ZAUDIO_SPKR_MUTE	1
    677       1.1     ober #define ZAUDIO_HP_LVL		2
    678       1.1     ober #define ZAUDIO_HP_MUTE		3
    679       1.1     ober #define ZAUDIO_OUTPUT_CLASS	4
    680       1.1     ober 
    681       1.2    peter static int
    682       1.1     ober zaudio_set_port(void *hdl, struct mixer_ctrl *mc)
    683       1.1     ober {
    684       1.1     ober 	struct zaudio_softc *sc = hdl;
    685       1.2    peter 	int error = EINVAL;
    686       1.2    peter 	int s;
    687       1.1     ober 
    688       1.1     ober 	s = splbio();
    689       1.1     ober 	pxa2x0_i2c_open(&sc->sc_i2c);
    690       1.1     ober 
    691       1.1     ober 	switch (mc->dev) {
    692       1.1     ober 	case ZAUDIO_SPKR_LVL:
    693       1.1     ober 		if (mc->type != AUDIO_MIXER_VALUE)
    694       1.1     ober 			break;
    695       1.1     ober 		if (mc->un.value.num_channels == 1)
    696       1.1     ober 			sc->sc_volume[ZAUDIO_OP_SPKR].left =
    697       1.1     ober 			    mc->un.value.level[AUDIO_MIXER_LEVEL_MONO];
    698       1.1     ober 		else
    699       1.1     ober 			break;
    700       1.1     ober 		zaudio_update_volume(sc, ZAUDIO_OP_SPKR);
    701       1.1     ober 		error = 0;
    702       1.1     ober 		break;
    703       1.2    peter 
    704       1.1     ober 	case ZAUDIO_SPKR_MUTE:
    705       1.1     ober 		if (mc->type != AUDIO_MIXER_ENUM)
    706       1.1     ober 			break;
    707       1.1     ober 		sc->sc_unmute[ZAUDIO_OP_SPKR] = mc->un.ord ? 1 : 0;
    708       1.1     ober 		zaudio_update_mutes(sc);
    709       1.1     ober 		error = 0;
    710       1.1     ober 		break;
    711       1.2    peter 
    712       1.1     ober 	case ZAUDIO_HP_LVL:
    713       1.1     ober 		if (mc->type != AUDIO_MIXER_VALUE)
    714       1.1     ober 			break;
    715       1.1     ober 		if (mc->un.value.num_channels == 1) {
    716       1.1     ober 			sc->sc_volume[ZAUDIO_OP_HP].left =
    717       1.1     ober 			    mc->un.value.level[AUDIO_MIXER_LEVEL_MONO];
    718       1.1     ober 			sc->sc_volume[ZAUDIO_OP_HP].right =
    719       1.1     ober 			    mc->un.value.level[AUDIO_MIXER_LEVEL_MONO];
    720       1.1     ober 		} else if (mc->un.value.num_channels == 2) {
    721       1.1     ober 			sc->sc_volume[ZAUDIO_OP_HP].left =
    722       1.1     ober 			    mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
    723       1.1     ober 			sc->sc_volume[ZAUDIO_OP_HP].right =
    724       1.1     ober 			    mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
    725       1.1     ober 		}
    726       1.1     ober 		else
    727       1.1     ober 			break;
    728       1.1     ober 		zaudio_update_volume(sc, ZAUDIO_OP_HP);
    729       1.1     ober 		error = 0;
    730       1.1     ober 		break;
    731       1.2    peter 
    732       1.1     ober 	case ZAUDIO_HP_MUTE:
    733       1.1     ober 		if (mc->type != AUDIO_MIXER_ENUM)
    734       1.1     ober 			break;
    735       1.1     ober 		sc->sc_unmute[ZAUDIO_OP_HP] = mc->un.ord ? 1 : 0;
    736       1.1     ober 		zaudio_update_mutes(sc);
    737       1.1     ober 		error = 0;
    738       1.1     ober 		break;
    739       1.1     ober 	}
    740       1.1     ober 
    741       1.1     ober 	pxa2x0_i2c_close(&sc->sc_i2c);
    742       1.1     ober 	splx(s);
    743       1.1     ober 
    744       1.1     ober 	return error;
    745       1.1     ober }
    746       1.1     ober 
    747       1.2    peter static int
    748       1.1     ober zaudio_get_port(void *hdl, struct mixer_ctrl *mc)
    749       1.1     ober {
    750       1.1     ober 	struct zaudio_softc *sc = hdl;
    751       1.1     ober 	int error = EINVAL;
    752       1.1     ober 
    753       1.1     ober 	switch (mc->dev) {
    754       1.1     ober 	case ZAUDIO_SPKR_LVL:
    755       1.1     ober 		if (mc->type != AUDIO_MIXER_VALUE)
    756       1.1     ober 			break;
    757       1.1     ober 		if (mc->un.value.num_channels == 1)
    758       1.1     ober 			mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
    759       1.1     ober 			    sc->sc_volume[ZAUDIO_OP_SPKR].left;
    760       1.1     ober 		else
    761       1.1     ober 			break;
    762       1.1     ober 		error = 0;
    763       1.1     ober 		break;
    764       1.2    peter 
    765       1.1     ober 	case ZAUDIO_SPKR_MUTE:
    766       1.1     ober 		if (mc->type != AUDIO_MIXER_ENUM)
    767       1.1     ober 			break;
    768       1.1     ober 		mc->un.ord = sc->sc_unmute[ZAUDIO_OP_SPKR] ? 1 : 0;
    769       1.1     ober 		error = 0;
    770       1.1     ober 		break;
    771       1.2    peter 
    772       1.1     ober 	case ZAUDIO_HP_LVL:
    773       1.1     ober 		if (mc->type != AUDIO_MIXER_VALUE)
    774       1.1     ober 			break;
    775       1.1     ober 		if (mc->un.value.num_channels == 1)
    776       1.1     ober 			mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
    777       1.1     ober 			    sc->sc_volume[ZAUDIO_OP_HP].left;
    778       1.1     ober 		else if (mc->un.value.num_channels == 2) {
    779       1.1     ober 			mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
    780       1.1     ober 			    sc->sc_volume[ZAUDIO_OP_HP].left;
    781       1.1     ober 			mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
    782       1.1     ober 			    sc->sc_volume[ZAUDIO_OP_HP].right;
    783       1.1     ober 		}
    784       1.1     ober 		else
    785       1.1     ober 			break;
    786       1.1     ober 		error = 0;
    787       1.1     ober 		break;
    788       1.2    peter 
    789       1.1     ober 	case ZAUDIO_HP_MUTE:
    790       1.1     ober 		if (mc->type != AUDIO_MIXER_ENUM)
    791       1.1     ober 			break;
    792       1.1     ober 		mc->un.ord = sc->sc_unmute[ZAUDIO_OP_HP] ? 1 : 0;
    793       1.1     ober 		error = 0;
    794       1.1     ober 		break;
    795       1.1     ober 	}
    796       1.1     ober 
    797       1.1     ober 	return error;
    798       1.1     ober }
    799       1.1     ober 
    800       1.2    peter static int
    801       1.1     ober zaudio_query_devinfo(void *hdl, struct mixer_devinfo *di)
    802       1.1     ober {
    803       1.1     ober 	/* struct zaudio_softc *sc = hdl; */
    804       1.1     ober 
    805       1.1     ober 	switch (di->index) {
    806       1.1     ober 	case ZAUDIO_SPKR_LVL:
    807       1.1     ober 		di->type = AUDIO_MIXER_VALUE;
    808       1.1     ober 		di->mixer_class = ZAUDIO_OUTPUT_CLASS;
    809       1.1     ober 		di->prev = AUDIO_MIXER_LAST;
    810       1.1     ober 		di->next = ZAUDIO_SPKR_MUTE;
    811       1.1     ober 		strlcpy(di->label.name, AudioNspeaker,
    812       1.1     ober 		    sizeof(di->label.name));
    813       1.1     ober 		strlcpy(di->un.v.units.name, AudioNvolume,
    814       1.1     ober 		    sizeof(di->un.v.units.name));
    815       1.1     ober 		di->un.v.num_channels = 1;
    816       1.1     ober 		break;
    817       1.2    peter 
    818       1.1     ober 	case ZAUDIO_SPKR_MUTE:
    819       1.1     ober 		di->type = AUDIO_MIXER_ENUM;
    820       1.1     ober 		di->mixer_class = ZAUDIO_OUTPUT_CLASS;
    821       1.1     ober 		di->prev = ZAUDIO_SPKR_LVL;
    822       1.1     ober 		di->next = AUDIO_MIXER_LAST;
    823       1.1     ober 		goto mute;
    824       1.2    peter 
    825       1.1     ober 	case ZAUDIO_HP_LVL:
    826       1.1     ober 		di->type = AUDIO_MIXER_VALUE;
    827       1.1     ober 		di->mixer_class = ZAUDIO_OUTPUT_CLASS;
    828       1.1     ober 		di->prev = AUDIO_MIXER_LAST;
    829       1.1     ober 		di->next = ZAUDIO_HP_MUTE;
    830       1.1     ober 		strlcpy(di->label.name, AudioNheadphone,
    831       1.1     ober 		    sizeof(di->label.name));
    832       1.1     ober 		di->un.v.num_channels = 1;
    833       1.1     ober 		strlcpy(di->un.v.units.name, AudioNvolume,
    834       1.1     ober 		    sizeof(di->un.v.units.name));
    835       1.1     ober 		break;
    836       1.2    peter 
    837       1.1     ober 	case ZAUDIO_HP_MUTE:
    838       1.1     ober 		di->type = AUDIO_MIXER_ENUM;
    839       1.1     ober 		di->mixer_class = ZAUDIO_OUTPUT_CLASS;
    840       1.1     ober 		di->prev = ZAUDIO_HP_LVL;
    841       1.1     ober 		di->next = AUDIO_MIXER_LAST;
    842       1.1     ober mute:
    843       1.1     ober 		strlcpy(di->label.name, AudioNmute, sizeof(di->label.name));
    844       1.1     ober 		di->un.e.num_mem = 2;
    845       1.1     ober 		strlcpy(di->un.e.member[0].label.name, AudioNon,
    846       1.1     ober 		    sizeof(di->un.e.member[0].label.name));
    847       1.1     ober 		di->un.e.member[0].ord = 0;
    848       1.1     ober 		strlcpy(di->un.e.member[1].label.name, AudioNoff,
    849       1.1     ober 		    sizeof(di->un.e.member[1].label.name));
    850       1.1     ober 		di->un.e.member[1].ord = 1;
    851       1.1     ober 		break;
    852       1.2    peter 
    853       1.1     ober 	case ZAUDIO_OUTPUT_CLASS:
    854       1.1     ober 		di->type = AUDIO_MIXER_CLASS;
    855       1.1     ober 		di->mixer_class = ZAUDIO_OUTPUT_CLASS;
    856       1.1     ober 		di->prev = AUDIO_MIXER_LAST;
    857       1.1     ober 		di->next = AUDIO_MIXER_LAST;
    858       1.1     ober 		strlcpy(di->label.name, AudioCoutputs,
    859       1.1     ober 		    sizeof(di->label.name));
    860       1.1     ober 		break;
    861       1.2    peter 
    862       1.1     ober 	default:
    863       1.1     ober 		return ENXIO;
    864       1.1     ober 	}
    865       1.1     ober 
    866       1.1     ober 	return 0;
    867       1.1     ober }
    868       1.1     ober 
    869       1.2    peter static void *
    870       1.2    peter zaudio_allocm(void *hdl, int direction, size_t size,
    871       1.2    peter     struct malloc_type *type, int flags)
    872       1.2    peter {
    873       1.2    peter 	struct zaudio_softc *sc = hdl;
    874       1.2    peter 
    875       1.2    peter 	return pxa2x0_i2s_allocm(&sc->sc_i2s, direction, size, type, flags);
    876       1.2    peter }
    877       1.2    peter 
    878       1.2    peter static void
    879       1.2    peter zaudio_freem(void *hdl, void *ptr, struct malloc_type *type)
    880       1.2    peter {
    881       1.2    peter 	struct zaudio_softc *sc = hdl;
    882       1.2    peter 
    883       1.2    peter 	return pxa2x0_i2s_freem(&sc->sc_i2s, ptr, type);
    884       1.2    peter }
    885       1.2    peter 
    886       1.2    peter static size_t
    887       1.2    peter zaudio_round_buffersize(void *hdl, int direction, size_t bufsize)
    888       1.2    peter {
    889       1.2    peter 	struct zaudio_softc *sc = hdl;
    890       1.2    peter 
    891       1.2    peter 	return pxa2x0_i2s_round_buffersize(&sc->sc_i2s, direction, bufsize);
    892       1.2    peter }
    893       1.2    peter 
    894       1.2    peter static paddr_t
    895       1.2    peter zaudio_mappage(void *hdl, void *mem, off_t off, int prot)
    896       1.2    peter {
    897       1.2    peter 	struct zaudio_softc *sc = hdl;
    898       1.2    peter 
    899       1.2    peter 	return pxa2x0_i2s_mappage(&sc->sc_i2s, mem, off, prot);
    900       1.2    peter }
    901       1.2    peter 
    902       1.2    peter static int
    903       1.1     ober zaudio_get_props(void *hdl)
    904       1.1     ober {
    905       1.2    peter 
    906       1.2    peter 	return AUDIO_PROP_MMAP|AUDIO_PROP_INDEPENDENT|AUDIO_PROP_FULLDUPLEX;
    907       1.1     ober }
    908       1.1     ober 
    909       1.2    peter static int
    910       1.1     ober zaudio_start_output(void *hdl, void *block, int bsize, void (*intr)(void *),
    911       1.1     ober     void *intrarg)
    912       1.1     ober {
    913       1.1     ober 	struct zaudio_softc *sc = hdl;
    914       1.2    peter 	int rv;
    915       1.1     ober 
    916       1.1     ober 	/* Power up codec if we are not already playing. */
    917       1.1     ober 	if (!sc->sc_playing) {
    918       1.1     ober 		sc->sc_playing = 1;
    919       1.1     ober 		zaudio_play_setup(sc);
    920       1.1     ober 	}
    921       1.1     ober 
    922       1.1     ober 	/* Start DMA via I2S */
    923       1.2    peter 	rv = pxa2x0_i2s_start_output(&sc->sc_i2s, block, bsize, intr, intrarg);
    924       1.2    peter 	if (rv) {
    925       1.1     ober 		zaudio_standby(sc);
    926       1.1     ober 		sc->sc_playing = 0;
    927       1.1     ober 	}
    928       1.2    peter 	return rv;
    929       1.1     ober }
    930       1.1     ober 
    931       1.2    peter static int
    932       1.1     ober zaudio_start_input(void *hdl, void *block, int bsize, void (*intr)(void *),
    933       1.1     ober     void *intrarg)
    934       1.1     ober {
    935       1.2    peter 
    936       1.1     ober 	return ENXIO;
    937       1.1     ober }
    938