diff options
Diffstat (limited to 'sound/i2c/other/ak4xxx-adda.c')
-rw-r--r-- | sound/i2c/other/ak4xxx-adda.c | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c new file mode 100644 index 00000000000..db2b7274a9d --- /dev/null +++ b/sound/i2c/other/ak4xxx-adda.c @@ -0,0 +1,501 @@ +/* + * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381 + * AD and DA converters + * + * Copyright (c) 2000-2004 Jaroslav Kysela <perex@suse.cz>, + * Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <sound/driver.h> +#include <asm/io.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/ak4xxx-adda.h> + +MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>"); +MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters"); +MODULE_LICENSE("GPL"); + +void snd_akm4xxx_write(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val) +{ + ak->ops.lock(ak, chip); + ak->ops.write(ak, chip, reg, val); + + /* save the data */ + if (ak->type == SND_AK4524 || ak->type == SND_AK4528) { + if ((reg != 0x04 && reg != 0x05) || (val & 0x80) == 0) + snd_akm4xxx_set(ak, chip, reg, val); + else + snd_akm4xxx_set_ipga(ak, chip, reg, val); + } else { + /* AK4529, or else */ + snd_akm4xxx_set(ak, chip, reg, val); + } + ak->ops.unlock(ak, chip); +} + +/* + * reset the AKM codecs + * @state: 1 = reset codec, 0 = restore the registers + * + * assert the reset operation and restores the register values to the chips. + */ +void snd_akm4xxx_reset(akm4xxx_t *ak, int state) +{ + unsigned int chip; + unsigned char reg; + + switch (ak->type) { + case SND_AK4524: + case SND_AK4528: + for (chip = 0; chip < ak->num_dacs/2; chip++) { + snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03); + if (state) + continue; + /* DAC volumes */ + for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++) + snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); + if (ak->type == SND_AK4528) + continue; + /* IPGA */ + for (reg = 0x04; reg < 0x06; reg++) + snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg)); + } + break; + case SND_AK4529: + /* FIXME: needed for ak4529? */ + break; + case SND_AK4355: + case SND_AK4358: + if (state) { + snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */ + return; + } + for (reg = 0x00; reg < 0x0b; reg++) + if (reg != 0x01) + snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg)); + snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */ + break; + case SND_AK4381: + for (chip = 0; chip < ak->num_dacs/2; chip++) { + snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f); + if (state) + continue; + for (reg = 0x01; reg < 0x05; reg++) + snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); + } + break; + } +} + +/* + * initialize all the ak4xxx chips + */ +void snd_akm4xxx_init(akm4xxx_t *ak) +{ + static unsigned char inits_ak4524[] = { + 0x00, 0x07, /* 0: all power up */ + 0x01, 0x00, /* 1: ADC/DAC reset */ + 0x02, 0x60, /* 2: 24bit I2S */ + 0x03, 0x19, /* 3: deemphasis off */ + 0x01, 0x03, /* 1: ADC/DAC enable */ + 0x04, 0x00, /* 4: ADC left muted */ + 0x05, 0x00, /* 5: ADC right muted */ + 0x04, 0x80, /* 4: ADC IPGA gain 0dB */ + 0x05, 0x80, /* 5: ADC IPGA gain 0dB */ + 0x06, 0x00, /* 6: DAC left muted */ + 0x07, 0x00, /* 7: DAC right muted */ + 0xff, 0xff + }; + static unsigned char inits_ak4528[] = { + 0x00, 0x07, /* 0: all power up */ + 0x01, 0x00, /* 1: ADC/DAC reset */ + 0x02, 0x60, /* 2: 24bit I2S */ + 0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */ + 0x01, 0x03, /* 1: ADC/DAC enable */ + 0x04, 0x00, /* 4: ADC left muted */ + 0x05, 0x00, /* 5: ADC right muted */ + 0xff, 0xff + }; + static unsigned char inits_ak4529[] = { + 0x09, 0x01, /* 9: ATS=0, RSTN=1 */ + 0x0a, 0x3f, /* A: all power up, no zero/overflow detection */ + 0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */ + 0x01, 0x00, /* 1: ACKS=0, ADC, loop off */ + 0x02, 0xff, /* 2: LOUT1 muted */ + 0x03, 0xff, /* 3: ROUT1 muted */ + 0x04, 0xff, /* 4: LOUT2 muted */ + 0x05, 0xff, /* 5: ROUT2 muted */ + 0x06, 0xff, /* 6: LOUT3 muted */ + 0x07, 0xff, /* 7: ROUT3 muted */ + 0x0b, 0xff, /* B: LOUT4 muted */ + 0x0c, 0xff, /* C: ROUT4 muted */ + 0x08, 0x55, /* 8: deemphasis all off */ + 0xff, 0xff + }; + static unsigned char inits_ak4355[] = { + 0x01, 0x02, /* 1: reset and soft-mute */ + 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */ + 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */ + // 0x02, 0x2e, /* quad speed */ + 0x03, 0x01, /* 3: de-emphasis off */ + 0x04, 0x00, /* 4: LOUT1 volume muted */ + 0x05, 0x00, /* 5: ROUT1 volume muted */ + 0x06, 0x00, /* 6: LOUT2 volume muted */ + 0x07, 0x00, /* 7: ROUT2 volume muted */ + 0x08, 0x00, /* 8: LOUT3 volume muted */ + 0x09, 0x00, /* 9: ROUT3 volume muted */ + 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */ + 0x01, 0x01, /* 1: un-reset, unmute */ + 0xff, 0xff + }; + static unsigned char inits_ak4358[] = { + 0x01, 0x02, /* 1: reset and soft-mute */ + 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */ + 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */ + // 0x02, 0x2e, /* quad speed */ + 0x03, 0x01, /* 3: de-emphasis off */ + 0x04, 0x00, /* 4: LOUT1 volume muted */ + 0x05, 0x00, /* 5: ROUT1 volume muted */ + 0x06, 0x00, /* 6: LOUT2 volume muted */ + 0x07, 0x00, /* 7: ROUT2 volume muted */ + 0x08, 0x00, /* 8: LOUT3 volume muted */ + 0x09, 0x00, /* 9: ROUT3 volume muted */ + 0x0b, 0x00, /* b: LOUT4 volume muted */ + 0x0c, 0x00, /* c: ROUT4 volume muted */ + 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */ + 0x01, 0x01, /* 1: un-reset, unmute */ + 0xff, 0xff + }; + static unsigned char inits_ak4381[] = { + 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */ + 0x01, 0x02, /* 1: de-emphasis off, normal speed, sharp roll-off, DZF off */ + // 0x01, 0x12, /* quad speed */ + 0x02, 0x00, /* 2: DZF disabled */ + 0x03, 0x00, /* 3: LATT 0 */ + 0x04, 0x00, /* 4: RATT 0 */ + 0x00, 0x0f, /* 0: power-up, un-reset */ + 0xff, 0xff + }; + + int chip, num_chips; + unsigned char *ptr, reg, data, *inits; + + switch (ak->type) { + case SND_AK4524: + inits = inits_ak4524; + num_chips = ak->num_dacs / 2; + break; + case SND_AK4528: + inits = inits_ak4528; + num_chips = ak->num_dacs / 2; + break; + case SND_AK4529: + inits = inits_ak4529; + num_chips = 1; + break; + case SND_AK4355: + inits = inits_ak4355; + num_chips = 1; + break; + case SND_AK4358: + inits = inits_ak4358; + num_chips = 1; + break; + case SND_AK4381: + inits = inits_ak4381; + num_chips = ak->num_dacs / 2; + break; + default: + snd_BUG(); + return; + } + + for (chip = 0; chip < num_chips; chip++) { + ptr = inits; + while (*ptr != 0xff) { + reg = *ptr++; + data = *ptr++; + snd_akm4xxx_write(ak, chip, reg, data); + } + } +} + +#define AK_GET_CHIP(val) (((val) >> 8) & 0xff) +#define AK_GET_ADDR(val) ((val) & 0xff) +#define AK_GET_SHIFT(val) (((val) >> 16) & 0x7f) +#define AK_GET_INVERT(val) (((val) >> 23) & 1) +#define AK_GET_MASK(val) (((val) >> 24) & 0xff) +#define AK_COMPOSE(chip,addr,shift,mask) (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24)) +#define AK_INVERT (1<<23) + +static int snd_akm4xxx_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = mask; + return 0; +} + +static int snd_akm4xxx_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + akm4xxx_t *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int invert = AK_GET_INVERT(kcontrol->private_value); + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + unsigned char val = snd_akm4xxx_get(ak, chip, addr); + + ucontrol->value.integer.value[0] = invert ? mask - val : val; + return 0; +} + +static int snd_akm4xxx_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + akm4xxx_t *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int invert = AK_GET_INVERT(kcontrol->private_value); + unsigned int mask = AK_GET_MASK(kcontrol->private_value); + unsigned char nval = ucontrol->value.integer.value[0] % (mask+1); + int change; + + if (invert) + nval = mask - nval; + change = snd_akm4xxx_get(ak, chip, addr) != nval; + if (change) + snd_akm4xxx_write(ak, chip, addr, nval); + return change; +} + +static int snd_akm4xxx_ipga_gain_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 36; + return 0; +} + +static int snd_akm4xxx_ipga_gain_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + akm4xxx_t *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + ucontrol->value.integer.value[0] = snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f; + return 0; +} + +static int snd_akm4xxx_ipga_gain_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + akm4xxx_t *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + unsigned char nval = (ucontrol->value.integer.value[0] % 37) | 0x80; + int change = snd_akm4xxx_get_ipga(ak, chip, addr) != nval; + if (change) + snd_akm4xxx_write(ak, chip, addr, nval); + return change; +} + +static int snd_akm4xxx_deemphasis_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + static char *texts[4] = { + "44.1kHz", "Off", "48kHz", "32kHz", + }; + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 4; + if (uinfo->value.enumerated.item >= 4) + uinfo->value.enumerated.item = 3; + strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); + return 0; +} + +static int snd_akm4xxx_deemphasis_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + akm4xxx_t *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int shift = AK_GET_SHIFT(kcontrol->private_value); + ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3; + return 0; +} + +static int snd_akm4xxx_deemphasis_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + akm4xxx_t *ak = snd_kcontrol_chip(kcontrol); + int chip = AK_GET_CHIP(kcontrol->private_value); + int addr = AK_GET_ADDR(kcontrol->private_value); + int shift = AK_GET_SHIFT(kcontrol->private_value); + unsigned char nval = ucontrol->value.enumerated.item[0] & 3; + int change; + + nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift)); + change = snd_akm4xxx_get(ak, chip, addr) != nval; + if (change) + snd_akm4xxx_write(ak, chip, addr, nval); + return change; +} + +/* + * build AK4xxx controls + */ + +int snd_akm4xxx_build_controls(akm4xxx_t *ak) +{ + unsigned int idx, num_emphs; + snd_kcontrol_t *ctl; + int err; + + ctl = kmalloc(sizeof(*ctl), GFP_KERNEL); + if (! ctl) + return -ENOMEM; + + for (idx = 0; idx < ak->num_dacs; ++idx) { + memset(ctl, 0, sizeof(*ctl)); + strcpy(ctl->id.name, "DAC Volume"); + ctl->id.index = idx + ak->idx_offset * 2; + ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + ctl->count = 1; + ctl->info = snd_akm4xxx_volume_info; + ctl->get = snd_akm4xxx_volume_get; + ctl->put = snd_akm4xxx_volume_put; + switch (ak->type) { + case SND_AK4524: + ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */ + break; + case SND_AK4528: + ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */ + break; + case SND_AK4529: { + int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */ + ctl->private_value = AK_COMPOSE(0, val, 0, 255) | AK_INVERT; + break; + } + case SND_AK4355: + ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */ + break; + case SND_AK4358: + if (idx >= 6) + ctl->private_value = AK_COMPOSE(0, idx + 5, 0, 255); /* register 4-9, chip #0 only */ + else + ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */ + break; + case SND_AK4381: + ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); /* register 3 & 4 */ + break; + default: + err = -EINVAL; + goto __error; + } + ctl->private_data = ak; + if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) + goto __error; + } + for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) { + memset(ctl, 0, sizeof(*ctl)); + strcpy(ctl->id.name, "ADC Volume"); + ctl->id.index = idx + ak->idx_offset * 2; + ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + ctl->count = 1; + ctl->info = snd_akm4xxx_volume_info; + ctl->get = snd_akm4xxx_volume_get; + ctl->put = snd_akm4xxx_volume_put; + ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */ + ctl->private_data = ak; + if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) + goto __error; + + memset(ctl, 0, sizeof(*ctl)); + strcpy(ctl->id.name, "IPGA Analog Capture Volume"); + ctl->id.index = idx + ak->idx_offset * 2; + ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + ctl->count = 1; + ctl->info = snd_akm4xxx_ipga_gain_info; + ctl->get = snd_akm4xxx_ipga_gain_get; + ctl->put = snd_akm4xxx_ipga_gain_put; + ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0); /* register 4 & 5 */ + ctl->private_data = ak; + if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) + goto __error; + } + if (ak->type == SND_AK4355 || ak->type == SND_AK4358) + num_emphs = 1; + else + num_emphs = ak->num_dacs / 2; + for (idx = 0; idx < num_emphs; idx++) { + memset(ctl, 0, sizeof(*ctl)); + strcpy(ctl->id.name, "Deemphasis"); + ctl->id.index = idx + ak->idx_offset; + ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + ctl->count = 1; + ctl->info = snd_akm4xxx_deemphasis_info; + ctl->get = snd_akm4xxx_deemphasis_get; + ctl->put = snd_akm4xxx_deemphasis_put; + switch (ak->type) { + case SND_AK4524: + case SND_AK4528: + ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); /* register 3 */ + break; + case SND_AK4529: { + int shift = idx == 3 ? 6 : (2 - idx) * 2; + ctl->private_value = AK_COMPOSE(0, 8, shift, 0); /* register 8 with shift */ + break; + } + case SND_AK4355: + case SND_AK4358: + ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); + break; + case SND_AK4381: + ctl->private_value = AK_COMPOSE(idx, 1, 1, 0); + break; + } + ctl->private_data = ak; + if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0) + goto __error; + } + err = 0; + + __error: + kfree(ctl); + return err; +} + +static int __init alsa_akm4xxx_module_init(void) +{ + return 0; +} + +static void __exit alsa_akm4xxx_module_exit(void) +{ +} + +module_init(alsa_akm4xxx_module_init) +module_exit(alsa_akm4xxx_module_exit) + +EXPORT_SYMBOL(snd_akm4xxx_write); +EXPORT_SYMBOL(snd_akm4xxx_reset); +EXPORT_SYMBOL(snd_akm4xxx_init); +EXPORT_SYMBOL(snd_akm4xxx_build_controls); |