summaryrefslogtreecommitdiff
path: root/sound/i2c/other/ak4xxx-adda.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/i2c/other/ak4xxx-adda.c')
-rw-r--r--sound/i2c/other/ak4xxx-adda.c136
1 files changed, 104 insertions, 32 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index ee47abab764..1adb8a3c2b6 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -19,7 +19,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- */
+ */
#include <asm/io.h>
#include <linux/delay.h>
@@ -29,6 +29,7 @@
#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");
@@ -52,26 +53,21 @@ EXPORT_SYMBOL(snd_akm4xxx_write);
static void ak4524_reset(struct snd_akm4xxx *ak, int state)
{
unsigned int chip;
- unsigned char reg, maxreg;
+ unsigned char reg;
- if (ak->type == SND_AK4528)
- maxreg = 0x06;
- else
- maxreg = 0x08;
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 < maxreg; reg++)
+ 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 total_regs)
+static void ak435X_reset(struct snd_akm4xxx *ak, int state)
{
unsigned char reg;
@@ -79,7 +75,7 @@ static void ak435X_reset(struct snd_akm4xxx *ak, int state,
snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
return;
}
- for (reg = 0x00; reg < total_regs; reg++)
+ for (reg = 0x00; reg < ak->total_regs; reg++)
if (reg != 0x01)
snd_akm4xxx_write(ak, 0, reg,
snd_akm4xxx_get(ak, 0, reg));
@@ -91,12 +87,11 @@ 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 < 0x05; reg++)
+ for (reg = 0x01; reg < ak->total_regs; reg++)
snd_akm4xxx_write(ak, chip, reg,
snd_akm4xxx_get(ak, chip, reg));
}
@@ -113,16 +108,17 @@ 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, 0x0b);
+ ak435X_reset(ak, state);
break;
case SND_AK4358:
- ak435X_reset(ak, state, 0x10);
+ ak435X_reset(ak, state);
break;
case SND_AK4381:
ak4381_reset(ak, state);
@@ -139,7 +135,7 @@ EXPORT_SYMBOL(snd_akm4xxx_reset);
* Volume conversion table for non-linear volumes
* from -63.5dB (mute) to 0dB step 0.5dB
*
- * Used for AK4524 input/ouput attenuation, AK4528, and
+ * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and
* AK5365 input attenuation
*/
static const unsigned char vol_cvt_datt[128] = {
@@ -259,8 +255,22 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
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, num_chips;
+ int chip;
const unsigned char *ptr, *inits;
unsigned char reg, data;
@@ -270,42 +280,64 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
switch (ak->type) {
case SND_AK4524:
inits = inits_ak4524;
- num_chips = ak->num_dacs / 2;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4524";
+ ak->total_regs = 0x08;
break;
case SND_AK4528:
inits = inits_ak4528;
- num_chips = ak->num_dacs / 2;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4528";
+ ak->total_regs = 0x06;
break;
case SND_AK4529:
inits = inits_ak4529;
- num_chips = 1;
+ ak->num_chips = 1;
+ ak->name = "ak4529";
+ ak->total_regs = 0x0d;
break;
case SND_AK4355:
inits = inits_ak4355;
- num_chips = 1;
+ ak->num_chips = 1;
+ ak->name = "ak4355";
+ ak->total_regs = 0x0b;
break;
case SND_AK4358:
inits = inits_ak4358;
- num_chips = 1;
+ ak->num_chips = 1;
+ ak->name = "ak4358";
+ ak->total_regs = 0x10;
break;
case SND_AK4381:
inits = inits_ak4381;
- num_chips = ak->num_dacs / 2;
+ 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 < num_chips; chip++) {
+ 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);
}
}
}
@@ -688,6 +720,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
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;
}
@@ -704,10 +742,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
static int build_adc_controls(struct snd_akm4xxx *ak)
{
- int idx, err, mixer_ch, num_stereo;
+ 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) {
@@ -733,13 +773,12 @@ static int build_adc_controls(struct snd_akm4xxx *ak)
}
/* register 4 & 5 */
if (ak->type == SND_AK5365)
- knew.private_value =
- AK_COMPOSE(idx/2, (idx%2) + 4, 0, 151) |
- AK_VOL_CVT | AK_IPGA;
+ max_steps = 152;
else
- knew.private_value =
- AK_COMPOSE(idx/2, (idx%2) + 4, 0, 163) |
- AK_VOL_CVT | AK_IPGA;
+ 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)
@@ -808,6 +847,7 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
switch (ak->type) {
case SND_AK4524:
case SND_AK4528:
+ case SND_AK4620:
/* register 3 */
knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
break;
@@ -834,6 +874,35 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
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 = (struct snd_akm4xxx *)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) {}
+#endif
+
int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
{
int err, num_emphs;
@@ -845,18 +914,21 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
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)
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 04:20:49 +0000