--- /dev/null
+/*
+ * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381
+ * AD and DA converters
+ *
+ * Copyright (c) 2000-2004 Jaroslav Kysela <perex@perex.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 <linux/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/ak4xxx-adda.h>
+#include <sound/info.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>");
+MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters");
+MODULE_LICENSE("GPL");
+
+/* write the given register and save the data to the cache */
+void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+ unsigned char val)
+{
+ ak->ops.lock(ak, chip);
+ ak->ops.write(ak, chip, reg, val);
+
+ /* save the data */
+ snd_akm4xxx_set(ak, chip, reg, val);
+ ak->ops.unlock(ak, chip);
+}
+
+EXPORT_SYMBOL(snd_akm4xxx_write);
+
+/* reset procedure for AK4524 and AK4528 */
+static void ak4524_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned int chip;
+ unsigned char reg;
+
+ 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->total_regs; reg++)
+ snd_akm4xxx_write(ak, chip, reg,
+ snd_akm4xxx_get(ak, chip, reg));
+ }
+}
+
+/* reset procedure for AK4355 and AK4358 */
+static void ak435X_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned char reg;
+
+ if (state) {
+ snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
+ return;
+ }
+ for (reg = 0x00; reg < ak->total_regs; 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 */
+}
+
+/* reset procedure for AK4381 */
+static void ak4381_reset(struct snd_akm4xxx *ak, int state)
+{
+ unsigned int chip;
+ unsigned char reg;
+ 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 < ak->total_regs; reg++)
+ snd_akm4xxx_write(ak, chip, reg,
+ snd_akm4xxx_get(ak, chip, reg));
+ }
+}
+
+/*
+ * 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(struct snd_akm4xxx *ak, int state)
+{
+ switch (ak->type) {
+ case SND_AK4524:
+ case SND_AK4528:
+ case SND_AK4620:
+ ak4524_reset(ak, state);
+ break;
+ case SND_AK4529:
+ /* FIXME: needed for ak4529? */
+ break;
+ case SND_AK4355:
+ ak435X_reset(ak, state);
+ break;
+ case SND_AK4358:
+ ak435X_reset(ak, state);
+ break;
+ case SND_AK4381:
+ ak4381_reset(ak, state);
+ break;
+ default:
+ break;
+ }
+}
+
+EXPORT_SYMBOL(snd_akm4xxx_reset);
+
+
+/*
+ * Volume conversion table for non-linear volumes
+ * from -63.5dB (mute) to 0dB step 0.5dB
+ *
+ * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and
+ * AK5365 input attenuation
+ */
+static const unsigned char vol_cvt_datt[128] = {
+ 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04,
+ 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
+ 0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x0a,
+ 0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f,
+ 0x10, 0x10, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14,
+ 0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1c,
+ 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x23,
+ 0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2d,
+ 0x2e, 0x30, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+ 0x37, 0x38, 0x39, 0x3b, 0x3c, 0x3e, 0x3f, 0x40,
+ 0x41, 0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4a,
+ 0x4b, 0x4d, 0x4e, 0x50, 0x51, 0x52, 0x53, 0x54,
+ 0x55, 0x56, 0x58, 0x59, 0x5b, 0x5c, 0x5e, 0x5f,
+ 0x60, 0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x69,
+ 0x6a, 0x6c, 0x6d, 0x6f, 0x70, 0x71, 0x72, 0x73,
+ 0x75, 0x76, 0x77, 0x79, 0x7a, 0x7c, 0x7d, 0x7f,
+};
+
+/*
+ * dB tables
+ */
+static const DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1);
+static const DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1);
+static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1);
+static const DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0);
+
+/*
+ * initialize all the ak4xxx chips
+ */
+void snd_akm4xxx_init(struct snd_akm4xxx *ak)
+{
+ static const 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 */
+ 0x06, 0x00, /* 6: DAC left muted */
+ 0x07, 0x00, /* 7: DAC right muted */
+ 0xff, 0xff
+ };
+ static const 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 const 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 const 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 const 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, 0x4e, /* 2: DA's power up, normal speed, RSTN#=0 */
+ /* 0x02, 0x6e,*/ /* 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 const 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
+ };
+ static const unsigned char inits_ak4620[] = {
+ 0x00, 0x07, /* 0: normal */
+ 0x01, 0x00, /* 0: reset */
+ 0x01, 0x02, /* 1: RSTAD */
+ 0x01, 0x03, /* 1: RSTDA */
+ 0x01, 0x0f, /* 1: normal */
+ 0x02, 0x60, /* 2: 24bit I2S */
+ 0x03, 0x01, /* 3: deemphasis off */
+ 0x04, 0x00, /* 4: LIN muted */
+ 0x05, 0x00, /* 5: RIN muted */
+ 0x06, 0x00, /* 6: LOUT muted */
+ 0x07, 0x00, /* 7: ROUT muted */
+ 0xff, 0xff
+ };
+
+ int chip;
+ const unsigned char *ptr, *inits;
+ unsigned char reg, data;
+
+ memset(ak->images, 0, sizeof(ak->images));
+ memset(ak->volumes, 0, sizeof(ak->volumes));
+
+ switch (ak->type) {
+ case SND_AK4524:
+ inits = inits_ak4524;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4524";
+ ak->total_regs = 0x08;
+ break;
+ case SND_AK4528:
+ inits = inits_ak4528;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4528";
+ ak->total_regs = 0x06;
+ break;
+ case SND_AK4529:
+ inits = inits_ak4529;
+ ak->num_chips = 1;
+ ak->name = "ak4529";
+ ak->total_regs = 0x0d;
+ break;
+ case SND_AK4355:
+ inits = inits_ak4355;
+ ak->num_chips = 1;
+ ak->name = "ak4355";
+ ak->total_regs = 0x0b;
+ break;
+ case SND_AK4358:
+ inits = inits_ak4358;
+ ak->num_chips = 1;
+ ak->name = "ak4358";
+ ak->total_regs = 0x10;
+ break;
+ case SND_AK4381:
+ inits = inits_ak4381;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4381";
+ ak->total_regs = 0x05;
+ break;
+ case SND_AK5365:
+ /* FIXME: any init sequence? */
+ ak->num_chips = 1;
+ ak->name = "ak5365";
+ ak->total_regs = 0x08;
+ return;
+ case SND_AK4620:
+ inits = inits_ak4620;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4620";
+ ak->total_regs = 0x08;
+ break;
+ default:
+ snd_BUG();
+ return;
+ }
+
+ for (chip = 0; chip < ak->num_chips; chip++) {
+ ptr = inits;
+ while (*ptr != 0xff) {
+ reg = *ptr++;
+ data = *ptr++;
+ snd_akm4xxx_write(ak, chip, reg, data);
+ udelay(10);
+ }
+ }
+}
+
+EXPORT_SYMBOL(snd_akm4xxx_init);
+
+/*
+ * Mixer callbacks
+ */
+#define AK_IPGA (1<<20) /* including IPGA */
+#define AK_VOL_CVT (1<<21) /* need dB conversion */
+#define AK_NEEDSMSB (1<<22) /* need MSB update bit */
+#define AK_INVERT (1<<23) /* data is inverted */
+#define AK_GET_CHIP(val) (((val) >> 8) & 0xff)
+#define AK_GET_ADDR(val) ((val) & 0xff)
+#define AK_GET_SHIFT(val) (((val) >> 16) & 0x0f)
+#define AK_GET_VOL_CVT(val) (((val) >> 21) & 1)
+#define AK_GET_IPGA(val) (((val) >> 20) & 1)
+#define AK_GET_NEEDSMSB(val) (((val) >> 22) & 1)
+#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))
+
+static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *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_vol(ak, chip, addr);
+ return 0;
+}
+
+static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
+ unsigned char nval)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+
+ if (snd_akm4xxx_get_vol(ak, chip, addr) == nval)
+ return 0;
+
+ snd_akm4xxx_set_vol(ak, chip, addr, nval);
+ if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128)
+ nval = vol_cvt_datt[nval];
+ if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128)
+ nval++; /* need to correct + 1 since both 127 and 128 are 0dB */
+ if (AK_GET_INVERT(kcontrol->private_value))
+ nval = mask - nval;
+ if (AK_GET_NEEDSMSB(kcontrol->private_value))
+ nval |= 0x80;
+ /* printk(KERN_DEBUG "DEBUG - AK writing reg: chip %x addr %x,
+ nval %x\n", chip, addr, nval); */
+ snd_akm4xxx_write(ak, chip, addr, nval);
+ return 1;
+}
+
+static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned int val = ucontrol->value.integer.value[0];
+ if (val > mask)
+ return -EINVAL;
+ return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value), val);
+}
+
+static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+
+static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *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_vol(ak, chip, addr);
+ ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1);
+ return 0;
+}
+
+static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ unsigned int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned int val[2];
+ int change;
+
+ val[0] = ucontrol->value.integer.value[0];
+ val[1] = ucontrol->value.integer.value[1];
+ if (val[0] > mask || val[1] > mask)
+ return -EINVAL;
+ change = put_ak_reg(kcontrol, addr, val[0]);
+ change |= put_ak_reg(kcontrol, addr + 1, val[1]);
+ return change;
+}
+
+static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[4] = {
+ "44.1kHz", "Off", "48kHz", "32kHz",
+ };
+ return snd_ctl_enum_info(uinfo, 1, 4, texts);
+}
+
+static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *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(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *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;
+}
+
+#define ak4xxx_switch_info snd_ctl_boolean_mono_info
+
+static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *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);
+ int invert = AK_GET_INVERT(kcontrol->private_value);
+ /* we observe the (1<<shift) bit only */
+ unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
+ if (invert)
+ val = ! val;
+ ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
+ return 0;
+}
+
+static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *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);
+ int invert = AK_GET_INVERT(kcontrol->private_value);
+ long flag = ucontrol->value.integer.value[0];
+ unsigned char val, oval;
+ int change;
+
+ if (invert)
+ flag = ! flag;
+ oval = snd_akm4xxx_get(ak, chip, addr);
+ if (flag)
+ val = oval | (1<<shift);
+ else
+ val = oval & ~(1<<shift);
+ change = (oval != val);
+ if (change)
+ snd_akm4xxx_write(ak, chip, addr, val);
+ return change;
+}
+
+#define AK5365_NUM_INPUTS 5
+
+static int ak4xxx_capture_num_inputs(struct snd_akm4xxx *ak, int mixer_ch)
+{
+ int num_names;
+ const char **input_names;
+
+ input_names = ak->adc_info[mixer_ch].input_names;
+ num_names = 0;
+ while (num_names < AK5365_NUM_INPUTS && input_names[num_names])
+ ++num_names;
+ return num_names;
+}
+
+static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
+ unsigned int num_names;
+
+ num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
+ if (!num_names)
+ return -EINVAL;
+ return snd_ctl_enum_info(uinfo, 1, num_names,
+ ak->adc_info[mixer_ch].input_names);
+}
+
+static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char val;
+
+ val = snd_akm4xxx_get(ak, chip, addr) & mask;
+ ucontrol->value.enumerated.item[0] = val;
+ return 0;
+}
+
+static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char oval, val;
+ int num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
+
+ if (ucontrol->value.enumerated.item[0] >= num_names)
+ return -EINVAL;
+
+ oval = snd_akm4xxx_get(ak, chip, addr);
+ val = oval & ~mask;
+ val |= ucontrol->value.enumerated.item[0] & mask;
+ if (val != oval) {
+ snd_akm4xxx_write(ak, chip, addr, val);
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * build AK4xxx controls
+ */
+
+static int build_dac_controls(struct snd_akm4xxx *ak)
+{
+ int idx, err, mixer_ch, num_stereo;
+ struct snd_kcontrol_new knew;
+
+ mixer_ch = 0;
+ for (idx = 0; idx < ak->num_dacs; ) {
+ /* mute control for Revolution 7.1 - AK4381 */
+ if (ak->type == SND_AK4381
+ && ak->dac_info[mixer_ch].switch_name) {
+ memset(&knew, 0, sizeof(knew));
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
+ knew.name = ak->dac_info[mixer_ch].switch_name;
+ knew.info = ak4xxx_switch_info;
+ knew.get = ak4xxx_switch_get;
+ knew.put = ak4xxx_switch_put;
+ knew.access = 0;
+ /* register 1, bit 0 (SMUTE): 0 = normal operation,
+ 1 = mute */
+ knew.private_value =
+ AK_COMPOSE(idx/2, 1, 0, 0) | AK_INVERT;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
+ memset(&knew, 0, sizeof(knew));
+ if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
+ knew.name = "DAC Volume";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ num_stereo = 1;
+ } else {
+ knew.name = ak->dac_info[mixer_ch].name;
+ num_stereo = ak->dac_info[mixer_ch].num_channels;
+ }
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ if (num_stereo == 2) {
+ knew.info = snd_akm4xxx_stereo_volume_info;
+ knew.get = snd_akm4xxx_stereo_volume_get;
+ knew.put = snd_akm4xxx_stereo_volume_put;
+ } else {
+ knew.info = snd_akm4xxx_volume_info;
+ knew.get = snd_akm4xxx_volume_get;
+ knew.put = snd_akm4xxx_volume_put;
+ }
+ switch (ak->type) {
+ case SND_AK4524:
+ /* register 6 & 7 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127) |
+ AK_VOL_CVT;
+ knew.tlv.p = db_scale_vol_datt;
+ break;
+ case SND_AK4528:
+ /* register 4 & 5 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127) |
+ AK_VOL_CVT;
+ knew.tlv.p = db_scale_vol_datt;
+ break;
+ case SND_AK4529: {
+ /* registers 2-7 and b,c */
+ int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
+ knew.private_value =
+ AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
+ knew.tlv.p = db_scale_8bit;
+ break;
+ }
+ case SND_AK4355:
+ /* register 4-9, chip #0 only */
+ knew.private_value = AK_COMPOSE(0, idx + 4, 0, 255);
+ knew.tlv.p = db_scale_8bit;
+ break;
+ case SND_AK4358: {
+ /* register 4-9 and 11-12, chip #0 only */
+ int addr = idx < 6 ? idx + 4 : idx + 5;
+ knew.private_value =
+ AK_COMPOSE(0, addr, 0, 127) | AK_NEEDSMSB;
+ knew.tlv.p = db_scale_7bit;
+ break;
+ }
+ case SND_AK4381:
+ /* register 3 & 4 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
+ knew.tlv.p = db_scale_linear;
+ break;
+ case SND_AK4620:
+ /* register 6 & 7 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 6, 0, 255);
+ knew.tlv.p = db_scale_linear;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+
+ idx += num_stereo;
+ mixer_ch++;
+ }
+ return 0;
+}
+
+static int build_adc_controls(struct snd_akm4xxx *ak)
+{
+ int idx, err, mixer_ch, num_stereo, max_steps;
+ struct snd_kcontrol_new knew;
+
+ mixer_ch = 0;
+ if (ak->type == SND_AK4528)
+ return 0; /* no controls */
+ for (idx = 0; idx < ak->num_adcs;) {
+ memset(&knew, 0, sizeof(knew));
+ if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) {
+ knew.name = "ADC Volume";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ num_stereo = 1;
+ } else {
+ knew.name = ak->adc_info[mixer_ch].name;
+ num_stereo = ak->adc_info[mixer_ch].num_channels;
+ }
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ if (num_stereo == 2) {
+ knew.info = snd_akm4xxx_stereo_volume_info;
+ knew.get = snd_akm4xxx_stereo_volume_get;
+ knew.put = snd_akm4xxx_stereo_volume_put;
+ } else {
+ knew.info = snd_akm4xxx_volume_info;
+ knew.get = snd_akm4xxx_volume_get;
+ knew.put = snd_akm4xxx_volume_put;
+ }
+ /* register 4 & 5 */
+ if (ak->type == SND_AK5365)
+ max_steps = 152;
+ else
+ max_steps = 164;
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, max_steps) |
+ AK_VOL_CVT | AK_IPGA;
+ knew.tlv.p = db_scale_vol_datt;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+
+ if (ak->type == SND_AK5365 && (idx % 2) == 0) {
+ if (! ak->adc_info ||
+ ! ak->adc_info[mixer_ch].switch_name) {
+ knew.name = "Capture Switch";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ } else
+ knew.name = ak->adc_info[mixer_ch].switch_name;
+ knew.info = ak4xxx_switch_info;
+ knew.get = ak4xxx_switch_get;
+ knew.put = ak4xxx_switch_put;
+ knew.access = 0;
+ /* register 2, bit 0 (SMUTE): 0 = normal operation,
+ 1 = mute */
+ knew.private_value =
+ AK_COMPOSE(idx/2, 2, 0, 0) | AK_INVERT;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+
+ memset(&knew, 0, sizeof(knew));
+ knew.name = ak->adc_info[mixer_ch].selector_name;
+ if (!knew.name) {
+ knew.name = "Capture Channel";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ }
+
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.info = ak4xxx_capture_source_info;
+ knew.get = ak4xxx_capture_source_get;
+ knew.put = ak4xxx_capture_source_put;
+ knew.access = 0;
+ /* input selector control: reg. 1, bits 0-2.
+ * mis-use 'shift' to pass mixer_ch */
+ knew.private_value
+ = AK_COMPOSE(idx/2, 1, mixer_ch, 0x07);
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
+
+ idx += num_stereo;
+ mixer_ch++;
+ }
+ return 0;
+}
+
+static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
+{
+ int idx, err;
+ struct snd_kcontrol_new knew;
+
+ for (idx = 0; idx < num_emphs; idx++) {
+ memset(&knew, 0, sizeof(knew));
+ knew.name = "Deemphasis";
+ knew.index = idx + ak->idx_offset;
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.info = snd_akm4xxx_deemphasis_info;
+ knew.get = snd_akm4xxx_deemphasis_get;
+ knew.put = snd_akm4xxx_deemphasis_put;
+ switch (ak->type) {
+ case SND_AK4524:
+ case SND_AK4528:
+ case SND_AK4620:
+ /* register 3 */
+ knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
+ break;
+ case SND_AK4529: {
+ int shift = idx == 3 ? 6 : (2 - idx) * 2;
+ /* register 8 with shift */
+ knew.private_value = AK_COMPOSE(0, 8, shift, 0);
+ break;
+ }
+ case SND_AK4355:
+ case SND_AK4358:
+ knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
+ break;
+ case SND_AK4381:
+ knew.private_value = AK_COMPOSE(idx, 1, 1, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+#ifdef CONFIG_PROC_FS
+static void proc_regs_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_akm4xxx *ak = entry->private_data;
+ int reg, val, chip;
+ for (chip = 0; chip < ak->num_chips; chip++) {
+ for (reg = 0; reg < ak->total_regs; reg++) {
+ val = snd_akm4xxx_get(ak, chip, reg);
+ snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip,
+ reg, val);
+ }
+ }
+}
+
+static int proc_init(struct snd_akm4xxx *ak)
+{
+ struct snd_info_entry *entry;
+ int err;
+ err = snd_card_proc_new(ak->card, ak->name, &entry);
+ if (err < 0)
+ return err;
+ snd_info_set_text_ops(entry, ak, proc_regs_read);
+ return 0;
+}
+#else /* !CONFIG_PROC_FS */
+static int proc_init(struct snd_akm4xxx *ak) { return 0; }
+#endif
+
+int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
+{
+ int err, num_emphs;
+
+ err = build_dac_controls(ak);
+ if (err < 0)
+ return err;
+
+ err = build_adc_controls(ak);
+ if (err < 0)
+ return err;
+ if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
+ num_emphs = 1;
+ else if (ak->type == SND_AK4620)
+ num_emphs = 0;
+ else
+ num_emphs = ak->num_dacs / 2;
+ err = build_deemphasis(ak, num_emphs);
+ if (err < 0)
+ return err;
+ err = proc_init(ak);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL(snd_akm4xxx_build_controls);
+
+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)
Code Review / kvmfornfv.git / blobdiff