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      1 /*	$NetBSD: zaudio.c,v 1.23 2019/06/08 08:02:37 isaki Exp $	*/
      2 /*	$OpenBSD: zaurus_audio.c,v 1.8 2005/08/18 13:23:02 robert Exp $	*/
      3 
      4 /*
      5  * Copyright (c) 2005 Christopher Pascoe <pascoe (at) openbsd.org>
      6  *
      7  * Permission to use, copy, modify, and distribute this software for any
      8  * purpose with or without fee is hereby granted, provided that the above
      9  * copyright notice and this permission notice appear in all copies.
     10  *
     11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     18  */
     19 
     20 /*-
     21  * Copyright (C) 2009 NONAKA Kimihiro <nonaka (at) netbsd.org>
     22  * All rights reserved.
     23  *
     24  * Redistribution and use in source and binary forms, with or without
     25  * modification, are permitted provided that the following conditions
     26  * are met:
     27  * 1. Redistributions of source code must retain the above copyright
     28  *    notice, this list of conditions and the following disclaimer.
     29  * 2. Redistributions in binary form must reproduce the above copyright
     30  *    notice, this list of conditions and the following disclaimer in the
     31  *    documentation and/or other materials provided with the distribution.
     32  *
     33  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     34  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     35  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     36  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     37  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     38  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     39  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     40  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     41  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     42  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     43  */
     44 
     45 /*
     46  * TODO:
     47  *	- powerhooks (currently only works until first suspend)
     48  */
     49 
     50 #include "opt_cputypes.h"
     51 
     52 #include <sys/cdefs.h>
     53 __KERNEL_RCSID(0, "$NetBSD: zaudio.c,v 1.23 2019/06/08 08:02:37 isaki Exp $");
     54 
     55 #include <sys/param.h>
     56 #include <sys/systm.h>
     57 #include <sys/audioio.h>
     58 #include <sys/callout.h>
     59 #include <sys/device.h>
     60 #include <sys/mutex.h>
     61 
     62 #include <dev/audio/audio_if.h>
     63 
     64 #include <dev/i2c/i2cvar.h>
     65 
     66 #include <arm/xscale/pxa2x0reg.h>
     67 #include <arm/xscale/pxa2x0var.h>
     68 #include <arm/xscale/pxa2x0_i2s.h>
     69 
     70 #include <zaurus/zaurus/zaurus_var.h>
     71 #include <zaurus/dev/zaudiovar.h>
     72 #if defined(CPU_XSCALE_PXA270)
     73 #include <zaurus/dev/wm8750var.h>
     74 #endif
     75 #if defined(CPU_XSCALE_PXA250)
     76 #include <zaurus/dev/wm8731var.h>
     77 #endif
     78 
     79 static int	zaudio_match(device_t, cfdata_t, void *);
     80 static void	zaudio_attach(device_t, device_t, void *);
     81 
     82 CFATTACH_DECL_NEW(zaudio, sizeof(struct zaudio_softc),
     83     zaudio_match, zaudio_attach, NULL, NULL);
     84 
     85 static const struct audio_format zaudio_formats[] = {
     86 	{
     87 		.mode		= AUMODE_PLAY | AUMODE_RECORD,
     88 		.encoding	= AUDIO_ENCODING_SLINEAR_LE,
     89 		.validbits	= 16,
     90 		.precision	= 16,
     91 		.channels	= 2,
     92 		.channel_mask	= AUFMT_STEREO,
     93 		.frequency_type	= 6,
     94 		.frequency	= { 8000, 11025, 16000, 22050, 44100, 48000 },
     95 	}
     96 };
     97 #define ZAUDIO_NFORMATS	__arraycount(zaudio_formats)
     98 
     99 static int
    100 zaudio_match(device_t parent, cfdata_t cf, void *aux)
    101 {
    102 	struct i2c_attach_args *ia = aux;
    103 
    104 	if (ZAURUS_ISC1000 || ZAURUS_ISC3000) {
    105 #if defined(CPU_XSCALE_PXA270)
    106 		return wm8750_match(parent, cf, ia);
    107 #endif
    108 	} else if (ZAURUS_ISC860) {
    109 #if defined(CPU_XSCALE_PXA250)
    110 		return wm8731_match(parent, cf, ia);
    111 #endif
    112 	}
    113 	return 0;
    114 }
    115 
    116 static void
    117 zaudio_attach(device_t parent, device_t self, void *aux)
    118 {
    119 	struct zaudio_softc *sc = device_private(self);
    120 	struct i2c_attach_args *ia = aux;
    121 
    122 	sc->sc_dev = self;
    123 	sc->sc_i2c = ia->ia_tag;
    124 
    125 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
    126 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED);
    127 	callout_init(&sc->sc_to, 0);
    128 
    129 	sc->sc_i2s.sc_iot = &pxa2x0_bs_tag;
    130 	sc->sc_i2s.sc_dmat = &pxa2x0_bus_dma_tag;
    131 	sc->sc_i2s.sc_size = PXA2X0_I2S_SIZE;
    132 	sc->sc_i2s.sc_intr_lock = &sc->sc_intr_lock;
    133 	if (pxa2x0_i2s_attach_sub(&sc->sc_i2s)) {
    134 		aprint_error_dev(self, "unable to attach I2S\n");
    135 		return;
    136 	}
    137 
    138 	if (ZAURUS_ISC1000 || ZAURUS_ISC3000) {
    139 #if defined(CPU_XSCALE_PXA270)
    140 		wm8750_attach(parent, self, ia);
    141 #endif
    142 	} else if (ZAURUS_ISC860) {
    143 #if defined(CPU_XSCALE_PXA250)
    144 		wm8731_attach(parent, self, ia);
    145 #endif
    146 	}
    147 
    148 	return;
    149 }
    150 
    151 /*
    152  * audio operation functions.
    153  */
    154 int
    155 zaudio_open(void *hdl, int flags)
    156 {
    157 	struct zaudio_softc *sc = hdl;
    158 
    159 	/* Power on the I2S bus and codec */
    160 	pxa2x0_i2s_open(&sc->sc_i2s);
    161 
    162 	return 0;
    163 }
    164 
    165 void
    166 zaudio_close(void *hdl)
    167 {
    168 	struct zaudio_softc *sc = hdl;
    169 
    170 	/* Power off the I2S bus and codec */
    171 	pxa2x0_i2s_close(&sc->sc_i2s);
    172 }
    173 
    174 int
    175 zaudio_query_format(void *hdl, audio_format_query_t *afp)
    176 {
    177 
    178 	return audio_query_format(zaudio_formats, ZAUDIO_NFORMATS, afp);
    179 }
    180 
    181 int
    182 zaudio_set_format(void *hdl, int setmode,
    183     const audio_params_t *play, const audio_params_t *rec,
    184     audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
    185 {
    186 	struct zaudio_softc *sc = hdl;
    187 
    188 	/* *play and *rec are the identical because !AUDIO_PROP_INDEPENDENT. */
    189 
    190 	if (setmode == AUMODE_RECORD)
    191 		pxa2x0_i2s_setspeed(&sc->sc_i2s, rec->sample_rate);
    192 	else
    193 		pxa2x0_i2s_setspeed(&sc->sc_i2s, play->sample_rate);
    194 
    195 	return 0;
    196 }
    197 
    198 int
    199 zaudio_round_blocksize(void *hdl, int bs, int mode, const audio_params_t *param)
    200 {
    201 	struct zaudio_softc *sc = hdl;
    202 
    203 	return pxa2x0_i2s_round_blocksize(&sc->sc_i2s, bs, mode, param);
    204 }
    205 
    206 void *
    207 zaudio_allocm(void *hdl, int direction, size_t size)
    208 {
    209 	struct zaudio_softc *sc = hdl;
    210 
    211 	return pxa2x0_i2s_allocm(&sc->sc_i2s, direction, size);
    212 }
    213 
    214 void
    215 zaudio_freem(void *hdl, void *ptr, size_t size)
    216 {
    217 	struct zaudio_softc *sc = hdl;
    218 
    219 	return pxa2x0_i2s_freem(&sc->sc_i2s, ptr, size);
    220 }
    221 
    222 size_t
    223 zaudio_round_buffersize(void *hdl, int direction, size_t bufsize)
    224 {
    225 	struct zaudio_softc *sc = hdl;
    226 
    227 	return pxa2x0_i2s_round_buffersize(&sc->sc_i2s, direction, bufsize);
    228 }
    229 
    230 int
    231 zaudio_get_props(void *hdl)
    232 {
    233 
    234 	return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE;
    235 }
    236 
    237 void
    238 zaudio_get_locks(void *hdl, kmutex_t **intr, kmutex_t **thread)
    239 {
    240 	struct zaudio_softc *sc = hdl;
    241 
    242 	*intr = &sc->sc_intr_lock;
    243 	*thread = &sc->sc_lock;
    244 }
    245