3 files changed, 448 insertions, 25 deletions

diff --git a/sound/aoa/codecs/snd-aoa-codec-tas-basstreble.h b/sound/aoa/codecs/snd-aoa-codec-tas-basstreble.h
new file mode 100644
index 000000000000..69b61136fd54
--- /dev/null
+++ b/sound/aoa/codecs/snd-aoa-codec-tas-basstreble.h
@@ -0,0 +1,134 @@
+/*
+ * This file is only included exactly once!
+ *
+ * The tables here are derived from the tas3004 datasheet,
+ * modulo typo corrections and some smoothing...
+ */
+
+#define TAS3004_TREBLE_MIN      0
+#define TAS3004_TREBLE_MAX      72
+#define TAS3004_BASS_MIN        0
+#define TAS3004_BASS_MAX        72
+#define TAS3004_TREBLE_ZERO     36
+#define TAS3004_BASS_ZERO       36
+
+static u8 tas3004_treble_table[] = {
+        150, /* -18 dB */
+        149,
+        148,
+        147,
+        146,
+        145,
+        144,
+        143,
+        142,
+        141,
+        140,
+        139,
+        138,
+        137,
+        136,
+        135,
+        134,
+        133,
+        132,
+        131,
+        130,
+        129,
+        128,
+        127,
+        126,
+        125,
+        124,
+        123,
+        122,
+        121,
+        120,
+        119,
+        118,
+        117,
+        116,
+        115,
+        114, /* 0 dB */
+        113,
+        112,
+        111,
+        109,
+        108,
+        107,
+        105,
+        104,
+        103,
+        101,
+        99,
+        98,
+        96,
+        93,
+        91,
+        89,
+        86,
+        83,
+        81,
+        77,
+        74,
+        71,
+        67,
+        63,
+        59,
+        54,
+        49,
+        44,
+        38,
+        32,
+        26,
+        19,
+        10,
+        4,
+        2,
+        1, /* +18 dB */
+};
+
+static inline u8 tas3004_treble(int idx)
+{
+        return tas3004_treble_table[idx];
+}
+
+/* I only save the difference here to the treble table
+ * so that the binary is smaller...
+ * I have also ignored completely differences of
+ * +/- 1
+ */
+static s8 tas3004_bass_diff_to_treble[] = {
+        2, /* 7 dB, offset 50 */
+        2,
+        2,
+        2,
+        2,
+        1,
+        2,
+        2,
+        2,
+        3,
+        4,
+        4,
+        5,
+        6,
+        7,
+        8,
+        9,
+        10,
+        11,
+        14,
+        13,
+        8,
+        1, /* 18 dB */
+};
+
+static inline u8 tas3004_bass(int idx)
+{
+        u8 result = tas3004_treble_table[idx];
+
+        if (idx >= 50)
+                result += tas3004_bass_diff_to_treble[idx-50];
+        return result;
+}
diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.c b/sound/aoa/codecs/snd-aoa-codec-tas.c
index 2e39ff6ee349..16c0b6b0a805 100644
--- a/sound/aoa/codecs/snd-aoa-codec-tas.c
+++ b/sound/aoa/codecs/snd-aoa-codec-tas.c
@@ -72,22 +72,29 @@ MODULE_DESCRIPTION("tas codec driver for snd-aoa");
 
 #include "snd-aoa-codec-tas.h"
 #include "snd-aoa-codec-tas-gain-table.h"
+#include "snd-aoa-codec-tas-basstreble.h"
 #include "../aoa.h"
 #include "../soundbus/soundbus.h"
 
-
 #define PFX "snd-aoa-codec-tas: "
 
+
 struct tas {
         struct aoa_codec        codec;
         struct i2c_client       i2c;
-        u32                     muted_l:1, muted_r:1,
-                                controls_created:1;
+        u32                     mute_l:1, mute_r:1 ,
+                                controls_created:1 ,
+                                drc_enabled:1,
+                                hw_enabled:1;
         u8                      cached_volume_l, cached_volume_r;
         u8                      mixer_l[3], mixer_r[3];
+        u8                      bass, treble;
         u8                      acr;
+        int                     drc_range;
 };
 
+static int tas_reset_init(struct tas *tas);
+
 static struct tas *codec_to_tas(struct aoa_codec *codec)
 {
         return container_of(codec, struct tas, codec);
@@ -101,6 +108,44 @@ static inline int tas_write_reg(struct tas *tas, u8 reg, u8 len, u8 *data)
                 return i2c_smbus_write_i2c_block_data(&tas->i2c, reg, len, data);
 }
 
+static void tas3004_set_drc(struct tas *tas)
+{
+        unsigned char val[6];
+
+        if (tas->drc_enabled)
+                val[0] = 0x50; /* 3:1 above threshold */
+        else
+                val[0] = 0x51; /* disabled */
+        val[1] = 0x02; /* 1:1 below threshold */
+        if (tas->drc_range > 0xef)
+                val[2] = 0xef;
+        else if (tas->drc_range < 0)
+                val[2] = 0x00;
+        else
+                val[2] = tas->drc_range;
+        val[3] = 0xb0;
+        val[4] = 0x60;
+        val[5] = 0xa0;
+
+        tas_write_reg(tas, TAS_REG_DRC, 6, val);
+}
+
+static void tas_set_treble(struct tas *tas)
+{
+        u8 tmp;
+
+        tmp = tas3004_treble(tas->treble);
+        tas_write_reg(tas, TAS_REG_TREBLE, 1, &tmp);
+}
+
+static void tas_set_bass(struct tas *tas)
+{
+        u8 tmp;
+
+        tmp = tas3004_bass(tas->bass);
+        tas_write_reg(tas, TAS_REG_BASS, 1, &tmp);
+}
+
 static void tas_set_volume(struct tas *tas)
 {
         u8 block[6];
@@ -113,8 +158,8 @@ static void tas_set_volume(struct tas *tas)
         if (left > 177) left = 177;
         if (right > 177) right = 177;
 
-        if (tas->muted_l) left = 0;
-        if (tas->muted_r) right = 0;
+        if (tas->mute_l) left = 0;
+        if (tas->mute_r) right = 0;
 
         /* analysing the volume and mixer tables shows
          * that they are similar enough when we shift
@@ -202,7 +247,8 @@ static int tas_snd_vol_put(struct snd_kcontrol *kcontrol,
 
         tas->cached_volume_l = ucontrol->value.integer.value[0];
         tas->cached_volume_r = ucontrol->value.integer.value[1];
-        tas_set_volume(tas);
+        if (tas->hw_enabled)
+                tas_set_volume(tas);
         return 1;
 }
 
@@ -230,8 +276,8 @@ static int tas_snd_mute_get(struct snd_kcontrol *kcontrol,
 {
         struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-        ucontrol->value.integer.value[0] = !tas->muted_l;
-        ucontrol->value.integer.value[1] = !tas->muted_r;
+        ucontrol->value.integer.value[0] = !tas->mute_l;
+        ucontrol->value.integer.value[1] = !tas->mute_r;
         return 0;
 }
 
@@ -240,13 +286,14 @@ static int tas_snd_mute_put(struct snd_kcontrol *kcontrol,
 {
         struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-        if (tas->muted_l == !ucontrol->value.integer.value[0]
-         && tas->muted_r == !ucontrol->value.integer.value[1])
+        if (tas->mute_l == !ucontrol->value.integer.value[0]
+         && tas->mute_r == !ucontrol->value.integer.value[1])
                 return 0;
 
-        tas->muted_l = !ucontrol->value.integer.value[0];
-        tas->muted_r = !ucontrol->value.integer.value[1];
-        tas_set_volume(tas);
+        tas->mute_l = !ucontrol->value.integer.value[0];
+        tas->mute_r = !ucontrol->value.integer.value[1];
+        if (tas->hw_enabled)
+                tas_set_volume(tas);
         return 1;
 }
 
@@ -294,7 +341,8 @@ static int tas_snd_mixer_put(struct snd_kcontrol *kcontrol,
         tas->mixer_l[idx] = ucontrol->value.integer.value[0];
         tas->mixer_r[idx] = ucontrol->value.integer.value[1];
 
-        tas_set_mixer(tas);
+        if (tas->hw_enabled)
+                tas_set_mixer(tas);
         return 1;
 }
 
@@ -309,9 +357,93 @@ static struct snd_kcontrol_new n##_control = {		\
         .private_value = idx,                           \
 }
 
-MIXER_CONTROL(pcm1, "PCM1", 0);
+MIXER_CONTROL(pcm1, "PCM", 0);
 MIXER_CONTROL(monitor, "Monitor", 2);
 
+static int tas_snd_drc_range_info(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = TAS3004_DRC_MAX;
+        return 0;
+}
+
+static int tas_snd_drc_range_get(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.integer.value[0] = tas->drc_range;
+        return 0;
+}
+
+static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        if (tas->drc_range == ucontrol->value.integer.value[0])
+                return 0;
+
+        tas->drc_range = ucontrol->value.integer.value[0];
+        if (tas->hw_enabled)
+                tas3004_set_drc(tas);
+        return 1;
+}
+
+static struct snd_kcontrol_new drc_range_control = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "DRC Range",
+        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+        .info = tas_snd_drc_range_info,
+        .get = tas_snd_drc_range_get,
+        .put = tas_snd_drc_range_put,
+};
+
+static int tas_snd_drc_switch_info(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+        uinfo->count = 1;
+        uinfo->value.integer.min = 0;
+        uinfo->value.integer.max = 1;
+        return 0;
+}
+
+static int tas_snd_drc_switch_get(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.integer.value[0] = tas->drc_enabled;
+        return 0;
+}
+
+static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        if (tas->drc_enabled == ucontrol->value.integer.value[0])
+                return 0;
+
+        tas->drc_enabled = ucontrol->value.integer.value[0];
+        if (tas->hw_enabled)
+                tas3004_set_drc(tas);
+        return 1;
+}
+
+static struct snd_kcontrol_new drc_switch_control = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "DRC Range Switch",
+        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+        .info = tas_snd_drc_switch_info,
+        .get = tas_snd_drc_switch_get,
+        .put = tas_snd_drc_switch_put,
+};
+
 static int tas_snd_capture_source_info(struct snd_kcontrol *kcontrol,
         struct snd_ctl_elem_info *uinfo)
 {
@@ -346,7 +478,8 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol,
                 tas->acr |= TAS_ACR_INPUT_B;
         if (oldacr == tas->acr)
                 return 0;
-        tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr);
+        if (tas->hw_enabled)
+                tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr);
         return 1;
 }
 
@@ -370,6 +503,89 @@ static struct snd_kcontrol_new capture_source_control = {
         .put = tas_snd_capture_source_put,
 };
 
+static int tas_snd_treble_info(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = TAS3004_TREBLE_MIN;
+        uinfo->value.integer.max = TAS3004_TREBLE_MAX;
+        return 0;
+}
+
+static int tas_snd_treble_get(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.integer.value[0] = tas->treble;
+        return 0;
+}
+
+static int tas_snd_treble_put(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        if (tas->treble == ucontrol->value.integer.value[0])
+                return 0;
+
+        tas->treble = ucontrol->value.integer.value[0];
+        if (tas->hw_enabled)
+                tas_set_treble(tas);
+        return 1;
+}
+
+static struct snd_kcontrol_new treble_control = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "Treble",
+        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+        .info = tas_snd_treble_info,
+        .get = tas_snd_treble_get,
+        .put = tas_snd_treble_put,
+};
+
+static int tas_snd_bass_info(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_info *uinfo)
+{
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+        uinfo->count = 1;
+        uinfo->value.integer.min = TAS3004_BASS_MIN;
+        uinfo->value.integer.max = TAS3004_BASS_MAX;
+        return 0;
+}
+
+static int tas_snd_bass_get(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        ucontrol->value.integer.value[0] = tas->bass;
+        return 0;
+}
+
+static int tas_snd_bass_put(struct snd_kcontrol *kcontrol,
+        struct snd_ctl_elem_value *ucontrol)
+{
+        struct tas *tas = snd_kcontrol_chip(kcontrol);
+
+        if (tas->bass == ucontrol->value.integer.value[0])
+                return 0;
+
+        tas->bass = ucontrol->value.integer.value[0];
+        if (tas->hw_enabled)
+                tas_set_bass(tas);
+        return 1;
+}
+
+static struct snd_kcontrol_new bass_control = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "Bass",
+        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+        .info = tas_snd_bass_info,
+        .get = tas_snd_bass_get,
+        .put = tas_snd_bass_put,
+};
 
 static struct transfer_info tas_transfers[] = {
         {
@@ -399,26 +615,67 @@ static int tas_usable(struct codec_info_item *cii,
 static int tas_reset_init(struct tas *tas)
 {
         u8 tmp;
+
+        tas->codec.gpio->methods->all_amps_off(tas->codec.gpio);
+        msleep(5);
         tas->codec.gpio->methods->set_hw_reset(tas->codec.gpio, 0);
-        msleep(1);
+        msleep(5);
         tas->codec.gpio->methods->set_hw_reset(tas->codec.gpio, 1);
-        msleep(1);
+        msleep(20);
         tas->codec.gpio->methods->set_hw_reset(tas->codec.gpio, 0);
-        msleep(1);
-
-        tas->acr &= ~TAS_ACR_ANALOG_PDOWN;
-        tas->acr |= TAS_ACR_B_MONAUREAL | TAS_ACR_B_MON_SEL_RIGHT;
-        if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr))
-                return -ENODEV;
+        msleep(10);
+        tas->codec.gpio->methods->all_amps_restore(tas->codec.gpio);
 
         tmp = TAS_MCS_SCLK64 | TAS_MCS_SPORT_MODE_I2S | TAS_MCS_SPORT_WL_24BIT;
         if (tas_write_reg(tas, TAS_REG_MCS, 1, &tmp))
                 return -ENODEV;
 
+        tas->acr |= TAS_ACR_ANALOG_PDOWN | TAS_ACR_B_MONAUREAL |
+                TAS_ACR_B_MON_SEL_RIGHT;
+        if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr))
+                return -ENODEV;
+
         tmp = 0;
         if (tas_write_reg(tas, TAS_REG_MCS2, 1, &tmp))
                 return -ENODEV;
 
+        tas3004_set_drc(tas);
+
+        /* Set treble & bass to 0dB */
+        tas->treble = TAS3004_TREBLE_ZERO;
+        tas->bass = TAS3004_BASS_ZERO;
+        tas_set_treble(tas);
+        tas_set_bass(tas);
+
+        tas->acr &= ~TAS_ACR_ANALOG_PDOWN;
+        if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr))
+                return -ENODEV;
+
+        return 0;
+}
+
+static int tas_switch_clock(struct codec_info_item *cii, enum clock_switch clock)
+{
+        struct tas *tas = cii->codec_data;
+
+        switch(clock) {
+        case CLOCK_SWITCH_PREPARE_SLAVE:
+                /* Clocks are going away, mute mute mute */
+                tas->codec.gpio->methods->all_amps_off(tas->codec.gpio);
+                tas->hw_enabled = 0;
+                break;
+        case CLOCK_SWITCH_SLAVE:
+                /* Clocks are back, re-init the codec */
+                tas_reset_init(tas);
+                tas_set_volume(tas);
+                tas_set_mixer(tas);
+                tas->hw_enabled = 1;
+                tas->codec.gpio->methods->all_amps_restore(tas->codec.gpio);
+                break;
+        default:
+                /* doesn't happen as of now */
+                return -EINVAL;
+        }
         return 0;
 }
 
@@ -427,6 +684,7 @@ static int tas_reset_init(struct tas *tas)
  * our i2c device is suspended, and then take note of that! */
 static int tas_suspend(struct tas *tas)
 {
+        tas->hw_enabled = 0;
         tas->acr |= TAS_ACR_ANALOG_PDOWN;
         tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr);
         return 0;
@@ -438,6 +696,7 @@ static int tas_resume(struct tas *tas)
         tas_reset_init(tas);
         tas_set_volume(tas);
         tas_set_mixer(tas);
+        tas->hw_enabled = 1;
         return 0;
 }
 
@@ -463,6 +722,7 @@ static struct codec_info tas_codec_info = {
         .bus_factor = 64,
         .owner = THIS_MODULE,
         .usable = tas_usable,
+        .switch_clock = tas_switch_clock,
 #ifdef CONFIG_PM
         .suspend = _tas_suspend,
         .resume = _tas_resume,
@@ -483,6 +743,7 @@ static int tas_init_codec(struct aoa_codec *codec)
                 printk(KERN_ERR PFX "tas failed to initialise\n");
                 return -ENXIO;
         }
+        tas->hw_enabled = 1;
 
         if (tas->codec.soundbus_dev->attach_codec(tas->codec.soundbus_dev,
                                                    aoa_get_card(),
@@ -515,6 +776,22 @@ static int tas_init_codec(struct aoa_codec *codec)
         if (err)
                 goto error;
 
+        err = aoa_snd_ctl_add(snd_ctl_new1(&drc_range_control, tas));
+        if (err)
+                goto error;
+
+        err = aoa_snd_ctl_add(snd_ctl_new1(&drc_switch_control, tas));
+        if (err)
+                goto error;
+
+        err = aoa_snd_ctl_add(snd_ctl_new1(&treble_control, tas));
+        if (err)
+                goto error;
+
+        err = aoa_snd_ctl_add(snd_ctl_new1(&bass_control, tas));
+        if (err)
+                goto error;
+
         return 0;
  error:
         tas->codec.soundbus_dev->detach_codec(tas->codec.soundbus_dev, tas);
@@ -548,6 +825,8 @@ static int tas_create(struct i2c_adapter *adapter,
         tas->i2c.driver = &tas_driver;
         tas->i2c.adapter = adapter;
         tas->i2c.addr = addr;
+        /* seems that half is a saner default */
+        tas->drc_range = TAS3004_DRC_MAX / 2;
         strlcpy(tas->i2c.name, "tas audio codec", I2C_NAME_SIZE-1);
 
         if (i2c_attach_client(&tas->i2c)) {
@@ -564,7 +843,9 @@ static int tas_create(struct i2c_adapter *adapter,
         if (aoa_codec_register(&tas->codec)) {
                 goto detach;
         }
-        printk(KERN_DEBUG "snd-aoa-codec-tas: created and attached tas instance\n");
+        printk(KERN_DEBUG
+               "snd-aoa-codec-tas: tas found, addr 0x%02x on %s\n",
+               addr, node->full_name);
         return 0;
  detach:
         i2c_detach_client(&tas->i2c);
diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.h b/sound/aoa/codecs/snd-aoa-codec-tas.h
index daf81f45d83a..ae177e3466e6 100644
--- a/sound/aoa/codecs/snd-aoa-codec-tas.h
+++ b/sound/aoa/codecs/snd-aoa-codec-tas.h
@@ -44,4 +44,12 @@
 #define TAS_REG_LEFT_BIQUAD6    0x10
 #define TAS_REG_RIGHT_BIQUAD6   0x19
 
+#define TAS_REG_LEFT_LOUDNESS           0x21
+#define TAS_REG_RIGHT_LOUDNESS          0x22
+#define TAS_REG_LEFT_LOUDNESS_GAIN      0x23
+#define TAS_REG_RIGHT_LOUDNESS_GAIN     0x24
+
+#define TAS3001_DRC_MAX         0x5f
+#define TAS3004_DRC_MAX         0xef
+
 #endif /* __SND_AOA_CODECTASH */