/* $OpenBSD: snapper.c,v 1.28 2007/04/23 16:27:20 deraadt Exp $ */
/* $NetBSD: snapper.c,v 1.1 2003/12/27 02:19:34 grant Exp $ */
/*-
* Copyright (c) 2002 Tsubai Masanari. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Datasheet is available from
* http://focus.ti.com/docs/prod/folders/print/tas3004.html
*/
#include <sys/param.h>
#include <sys/audioio.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <dev/audio_if.h>
#include <dev/ofw/openfirm.h>
#include <macppc/dev/dbdma.h>
#include <machine/autoconf.h>
#include <macppc/dev/i2svar.h>
#ifdef SNAPPER_DEBUG
# define DPRINTF printf
#else
# define DPRINTF while (0) printf
#endif
/* XXX */
#define snapper_softc i2s_softc
/* XXX */
int kiic_write(struct device *, int, int, const void *, int);
int kiic_writereg(struct device *, int, u_int);
void snapper_init(struct snapper_softc *);
int snapper_getdev(void *, struct audio_device *);
int snapper_match(struct device *, void *, void *);
void snapper_attach(struct device *, struct device *, void *);
void snapper_defer(struct device *);
void snapper_set_volume(struct snapper_softc *, int, int);
void snapper_set_bass(struct snapper_softc *, int);
void snapper_set_treble(struct snapper_softc *, int);
int tas3004_write(struct snapper_softc *, u_int, const void *);
int tas3004_init(struct snapper_softc *);
struct cfattach snapper_ca = {
sizeof(struct snapper_softc), snapper_match, snapper_attach
};
struct cfdriver snapper_cd = {
NULL, "snapper", DV_DULL
};
struct audio_hw_if snapper_hw_if = {
i2s_open,
i2s_close,
NULL,
i2s_query_encoding,
i2s_set_params,
i2s_round_blocksize,
NULL,
NULL,
NULL,
NULL,
NULL,
i2s_halt_output,
i2s_halt_input,
NULL,
snapper_getdev,
NULL,
i2s_set_port,
i2s_get_port,
i2s_query_devinfo,
i2s_allocm, /* allocm */
NULL,
i2s_round_buffersize,
i2s_mappage,
i2s_get_props,
i2s_trigger_output,
i2s_trigger_input,
};
struct audio_device snapper_device = {
"SNAPPER",
"",
"snapper"
};
const uint8_t snapper_trebletab[] = {
0x96, /* -18dB */
0x94, /* -17dB */
0x92, /* -16dB */
0x90, /* -15dB */
0x8e, /* -14dB */
0x8c, /* -13dB */
0x8a, /* -12dB */
0x88, /* -11dB */
0x86, /* -10dB */
0x84, /* -9dB */
0x82, /* -8dB */
0x80, /* -7dB */
0x7e, /* -6dB */
0x7c, /* -5dB */
0x7a, /* -4dB */
0x78, /* -3dB */
0x76, /* -2dB */
0x74, /* -1dB */
0x72, /* 0dB */
0x70, /* 1dB */
0x6d, /* 2dB */
0x6b, /* 3dB */
0x68, /* 4dB */
0x65, /* 5dB */
0x62, /* 6dB */
0x5d, /* 7dB */
0x59, /* 8dB */
0x53, /* 9dB */
0x4d, /* 10dB */
0x47, /* 11dB */
0x3f, /* 12dB */
0x36, /* 13dB */
0x2c, /* 14dB */
0x20, /* 15dB */
0x13, /* 16dB */
0x04, /* 17dB */
0x01, /* 18dB */
};
const uint8_t snapper_basstab[] = {
0x96, /* -18dB */
0x94, /* -17dB */
0x92, /* -16dB */
0x90, /* -15dB */
0x8e, /* -14dB */
0x8c, /* -13dB */
0x8a, /* -12dB */
0x88, /* -11dB */
0x86, /* -10dB */
0x84, /* -9dB */
0x82, /* -8dB */
0x80, /* -7dB */
0x7e, /* -6dB */
0x7c, /* -5dB */
0x7a, /* -4dB */
0x78, /* -3dB */
0x76, /* -2dB */
0x74, /* -1dB */
0x72, /* 0dB */
0x6f, /* 1dB */
0x6d, /* 2dB */
0x6a, /* 3dB */
0x67, /* 4dB */
0x65, /* 5dB */
0x62, /* 6dB */
0x5f, /* 7dB */
0x5b, /* 8dB */
0x55, /* 9dB */
0x4f, /* 10dB */
0x49, /* 11dB */
0x43, /* 12dB */
0x3b, /* 13dB */
0x33, /* 14dB */
0x29, /* 15dB */
0x1e, /* 16dB */
0x11, /* 17dB */
0x01, /* 18dB */
};
/* TAS3004 registers */
#define DEQ_MCR1 0x01 /* Main control register 1 (1byte) */
#define DEQ_DRC 0x02 /* Dynamic range compression (6bytes?) */
#define DEQ_VOLUME 0x04 /* Volume (6bytes) */
#define DEQ_TREBLE 0x05 /* Treble control (1byte) */
#define DEQ_BASS 0x06 /* Bass control (1byte) */
#define DEQ_MIXER_L 0x07 /* Mixer left gain (9bytes) */
#define DEQ_MIXER_R 0x08 /* Mixer right gain (9bytes) */
#define DEQ_LB0 0x0a /* Left biquad 0 (15bytes) */
#define DEQ_LB1 0x0b /* Left biquad 1 (15bytes) */
#define DEQ_LB2 0x0c /* Left biquad 2 (15bytes) */
#define DEQ_LB3 0x0d /* Left biquad 3 (15bytes) */
#define DEQ_LB4 0x0e /* Left biquad 4 (15bytes) */
#define DEQ_LB5 0x0f /* Left biquad 5 (15bytes) */
#define DEQ_LB6 0x10 /* Left biquad 6 (15bytes) */
#define DEQ_RB0 0x13 /* Right biquad 0 (15bytes) */
#define DEQ_RB1 0x14 /* Right biquad 1 (15bytes) */
#define DEQ_RB2 0x15 /* Right biquad 2 (15bytes) */
#define DEQ_RB3 0x16 /* Right biquad 3 (15bytes) */
#define DEQ_RB4 0x17 /* Right biquad 4 (15bytes) */
#define DEQ_RB5 0x18 /* Right biquad 5 (15bytes) */
#define DEQ_RB6 0x19 /* Right biquad 6 (15bytes) */
#define DEQ_LLB 0x21 /* Left loudness biquad (15bytes) */
#define DEQ_RLB 0x22 /* Right loudness biquad (15bytes) */
#define DEQ_LLB_GAIN 0x23 /* Left loudness biquad gain (3bytes) */
#define DEQ_RLB_GAIN 0x24 /* Right loudness biquad gain (3bytes) */
#define DEQ_ACR 0x40 /* Analog control register (1byte) */
#define DEQ_MCR2 0x43 /* Main control register 2 (1byte) */
#define DEQ_MCR1_FL 0x80 /* Fast load */
#define DEQ_MCR1_SC 0x40 /* SCLK frequency */
#define DEQ_MCR1_SC_32 0x00 /* 32fs */
#define DEQ_MCR1_SC_64 0x40 /* 64fs */
#define DEQ_MCR1_SM 0x30 /* Output serial port mode */
#define DEQ_MCR1_SM_L 0x00 /* Left justified */
#define DEQ_MCR1_SM_R 0x10 /* Right justified */
#define DEQ_MCR1_SM_I2S 0x20 /* I2S */
#define DEQ_MCR1_W 0x03 /* Serial port word length */
#define DEQ_MCR1_W_16 0x00 /* 16 bit */
#define DEQ_MCR1_W_18 0x01 /* 18 bit */
#define DEQ_MCR1_W_20 0x02 /* 20 bit */
#define DEQ_MCR2_DL 0x80 /* Download */
#define DEQ_MCR2_AP 0x02 /* All pass mode */
#define DEQ_ACR_ADM 0x80 /* ADC output mode */
#define DEQ_ACR_LRB 0x40 /* Select B input */
#define DEQ_ACR_DM 0x0c /* De-emphasis control */
#define DEQ_ACR_DM_OFF 0x00 /* off */
#define DEQ_ACR_DM_48 0x04 /* fs = 48kHz */
#define DEQ_ACR_DM_44 0x08 /* fs = 44.1kHz */
#define DEQ_ACR_INP 0x02 /* Analog input select */
#define DEQ_ACR_INP_A 0x00 /* A */
#define DEQ_ACR_INP_B 0x02 /* B */
#define DEQ_ACR_APD 0x01 /* Analog power down */
struct tas3004_reg {
u_char MCR1[1];
u_char DRC[6];
u_char VOLUME[6];
u_char TREBLE[1];
u_char BASS[1];
u_char MIXER_L[9];
u_char MIXER_R[9];
u_char LB0[15];
u_char LB1[15];
u_char LB2[15];
u_char LB3[15];
u_char LB4[15];
u_char LB5[15];
u_char LB6[15];
u_char RB0[15];
u_char RB1[15];
u_char RB2[15];
u_char RB3[15];
u_char RB4[15];
u_char RB5[15];
u_char RB6[15];
u_char LLB[15];
u_char RLB[15];
u_char LLB_GAIN[3];
u_char RLB_GAIN[3];
u_char ACR[1];
u_char MCR2[1];
};
int
snapper_match(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
int soundbus, soundchip, soundcodec;
char compat[32];
if (strcmp(ca->ca_name, "i2s") != 0)
return (0);
if ((soundbus = OF_child(ca->ca_node)) == 0 ||
(soundchip = OF_child(soundbus)) == 0)
return (0);
bzero(compat, sizeof compat);
OF_getprop(soundchip, "compatible", compat, sizeof compat);
if (strcmp(compat, "snapper") == 0)
return (1);
if (OF_getprop(soundchip, "platform-tas-codec-ref",
&soundcodec, sizeof soundcodec) == sizeof soundcodec)
return (1);
return (0);
}
void
snapper_attach(struct device *parent, struct device *self, void *aux)
{
struct snapper_softc *sc = (struct snapper_softc *)self;
sc->sc_setvolume = snapper_set_volume;
sc->sc_setbass = snapper_set_bass;
sc->sc_settreble = snapper_set_treble;
i2s_attach(parent, sc, aux);
config_defer(self, snapper_defer);
}
void
snapper_defer(struct device *dev)
{
struct snapper_softc *sc = (struct snapper_softc *)dev;
struct device *dv;
TAILQ_FOREACH(dv, &alldevs, dv_list)
if (strncmp(dv->dv_xname, "kiic", 4) == 0 &&
strncmp(dv->dv_parent->dv_xname, "macobio", 7) == 0)
sc->sc_i2c = dv;
if (sc->sc_i2c == NULL) {
printf("%s: unable to find i2c\n", sc->sc_dev.dv_xname);
return;
}
/* XXX If i2c has failed to attach, what should we do? */
audio_attach_mi(&snapper_hw_if, sc, &sc->sc_dev);
/* kiic_setmode(sc->sc_i2c, I2C_STDSUBMODE); */
snapper_init(sc);
}
void
snapper_set_volume(struct snapper_softc *sc, int left, int right)
{
u_char vol[6];
sc->sc_vol_l = left;
sc->sc_vol_r = right;
left <<= 8; /* XXX for now */
right <<= 8;
vol[0] = left >> 16;
vol[1] = left >> 8;
vol[2] = left;
vol[3] = right >> 16;
vol[4] = right >> 8;
vol[5] = right;
tas3004_write(sc, DEQ_VOLUME, vol);
}
void
snapper_set_treble(struct snapper_softc *sc, int value)
{
uint8_t reg;
if ((value >= 0) && (value <= 255) && (value != sc->sc_treble)) {
reg = snapper_trebletab[(value >> 3) + 2];
if (tas3004_write(sc, DEQ_TREBLE, ®) < 0)
return;
sc->sc_treble = value;
}
}
void
snapper_set_bass(struct snapper_softc *sc, int value)
{
uint8_t reg;
if ((value >= 0) && (value <= 255) && (value != sc->sc_bass)) {
reg = snapper_basstab[(value >> 3) + 2];
if (tas3004_write(sc, DEQ_BASS, ®) < 0)
return;
sc->sc_bass = value;
}
}
const struct tas3004_reg tas3004_initdata = {
{ DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_20 }, /* MCR1 */
{ 1, 0, 0, 0, 0, 0 }, /* DRC */
{ 0, 0, 0, 0, 0, 0 }, /* VOLUME */
{ 0x72 }, /* TREBLE */
{ 0x72 }, /* BASS */
{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_L */
{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_R */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
{ 0, 0, 0 }, /* LLB_GAIN */
{ 0, 0, 0 }, /* RLB_GAIN */
{ 0 }, /* ACR */
{ 0 } /* MCR2 */
};
const char tas3004_regsize[] = {
0, /* 0x00 */
sizeof tas3004_initdata.MCR1, /* 0x01 */
sizeof tas3004_initdata.DRC, /* 0x02 */
0, /* 0x03 */
sizeof tas3004_initdata.VOLUME, /* 0x04 */
sizeof tas3004_initdata.TREBLE, /* 0x05 */
sizeof tas3004_initdata.BASS, /* 0x06 */
sizeof tas3004_initdata.MIXER_L, /* 0x07 */
sizeof tas3004_initdata.MIXER_R, /* 0x08 */
0, /* 0x09 */
sizeof tas3004_initdata.LB0, /* 0x0a */
sizeof tas3004_initdata.LB1, /* 0x0b */
sizeof tas3004_initdata.LB2, /* 0x0c */
sizeof tas3004_initdata.LB3, /* 0x0d */
sizeof tas3004_initdata.LB4, /* 0x0e */
sizeof tas3004_initdata.LB5, /* 0x0f */
sizeof tas3004_initdata.LB6, /* 0x10 */
0, /* 0x11 */
0, /* 0x12 */
sizeof tas3004_initdata.RB0, /* 0x13 */
sizeof tas3004_initdata.RB1, /* 0x14 */
sizeof tas3004_initdata.RB2, /* 0x15 */
sizeof tas3004_initdata.RB3, /* 0x16 */
sizeof tas3004_initdata.RB4, /* 0x17 */
sizeof tas3004_initdata.RB5, /* 0x18 */
sizeof tas3004_initdata.RB6, /* 0x19 */
0,0,0,0, 0,0,
0, /* 0x20 */
sizeof tas3004_initdata.LLB, /* 0x21 */
sizeof tas3004_initdata.RLB, /* 0x22 */
sizeof tas3004_initdata.LLB_GAIN, /* 0x23 */
sizeof tas3004_initdata.RLB_GAIN, /* 0x24 */
0,0,0,0, 0,0,0,0, 0,0,0,
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
sizeof tas3004_initdata.ACR, /* 0x40 */
0, /* 0x41 */
0, /* 0x42 */
sizeof tas3004_initdata.MCR2 /* 0x43 */
};
#define DEQaddr 0x6a
int
tas3004_write(struct snapper_softc *sc, u_int reg, const void *data)
{
int size;
KASSERT(reg < sizeof tas3004_regsize);
size = tas3004_regsize[reg];
KASSERT(size > 0);
if (kiic_write(sc->sc_i2c, DEQaddr, reg, data, size))
return (-1);
return (0);
}
#define DEQ_WRITE(sc, reg, addr) \
if (tas3004_write(sc, reg, addr)) goto err
int
tas3004_init(struct snapper_softc *sc)
{
deq_reset(sc);
DEQ_WRITE(sc, DEQ_LB0, tas3004_initdata.LB0);
DEQ_WRITE(sc, DEQ_LB1, tas3004_initdata.LB1);
DEQ_WRITE(sc, DEQ_LB2, tas3004_initdata.LB2);
DEQ_WRITE(sc, DEQ_LB3, tas3004_initdata.LB3);
DEQ_WRITE(sc, DEQ_LB4, tas3004_initdata.LB4);
DEQ_WRITE(sc, DEQ_LB5, tas3004_initdata.LB5);
DEQ_WRITE(sc, DEQ_LB6, tas3004_initdata.LB6);
DEQ_WRITE(sc, DEQ_RB0, tas3004_initdata.RB0);
DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
DEQ_WRITE(sc, DEQ_RB2, tas3004_initdata.RB2);
DEQ_WRITE(sc, DEQ_RB3, tas3004_initdata.RB3);
DEQ_WRITE(sc, DEQ_RB4, tas3004_initdata.RB4);
DEQ_WRITE(sc, DEQ_RB5, tas3004_initdata.RB5);
DEQ_WRITE(sc, DEQ_MCR1, tas3004_initdata.MCR1);
DEQ_WRITE(sc, DEQ_MCR2, tas3004_initdata.MCR2);
DEQ_WRITE(sc, DEQ_DRC, tas3004_initdata.DRC);
DEQ_WRITE(sc, DEQ_VOLUME, tas3004_initdata.VOLUME);
DEQ_WRITE(sc, DEQ_TREBLE, tas3004_initdata.TREBLE);
DEQ_WRITE(sc, DEQ_BASS, tas3004_initdata.BASS);
DEQ_WRITE(sc, DEQ_MIXER_L, tas3004_initdata.MIXER_L);
DEQ_WRITE(sc, DEQ_MIXER_R, tas3004_initdata.MIXER_R);
DEQ_WRITE(sc, DEQ_LLB, tas3004_initdata.LLB);
DEQ_WRITE(sc, DEQ_RLB, tas3004_initdata.RLB);
DEQ_WRITE(sc, DEQ_LLB_GAIN, tas3004_initdata.LLB_GAIN);
DEQ_WRITE(sc, DEQ_RLB_GAIN, tas3004_initdata.RLB_GAIN);
DEQ_WRITE(sc, DEQ_ACR, tas3004_initdata.ACR);
return (0);
err:
printf("%s: tas3004_init failed\n", sc->sc_dev.dv_xname);
return (-1);
}
void
snapper_init(struct snapper_softc *sc)
{
/* "sample-rates" (44100, 48000) */
i2s_set_rate(sc, 44100);
#if 1
/* Enable I2C interrupts. */
#define IER 4
#define I2C_INT_DATA 0x01
#define I2C_INT_ADDR 0x02
#define I2C_INT_STOP 0x04
kiic_writereg(sc->sc_i2c, IER,I2C_INT_DATA|I2C_INT_ADDR|I2C_INT_STOP);
#endif
if (tas3004_init(sc))
return;
snapper_set_volume(sc, 80, 80);
}
int
snapper_getdev(void *h, struct audio_device *retp)
{
*retp = snapper_device;
return (0);
}
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