Merge remote-tracking branch 'asoc/topic/tlv320aic3x' into asoc-next

1 files changed, 113 insertions, 121 deletions

diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 64ad84d8a306..546d16b7d38f 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -40,6 +40,7 @@
 #include <linux/i2c.h>
 #include <linux/gpio.h>
 #include <linux/regulator/consumer.h>
+#include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <linux/slab.h>
 #include <sound/core.h>
@@ -72,9 +73,9 @@ struct aic3x_disable_nb {
 /* codec private data */
 struct aic3x_priv {
         struct snd_soc_codec *codec;
+        struct regmap *regmap;
         struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES];
         struct aic3x_disable_nb disable_nb[AIC3X_NUM_SUPPLIES];
-        enum snd_soc_control_type control_type;
         struct aic3x_setup_data *setup;
         unsigned int sysclk;
         struct list_head list;
@@ -90,41 +91,45 @@ struct aic3x_priv {
         enum aic3x_micbias_voltage micbias_vg;
 };
 
-/*
- * AIC3X register cache
- * We can't read the AIC3X register space when we are
- * using 2 wire for device control, so we cache them instead.
- * There is no point in caching the reset register
- */
-static const u8 aic3x_reg[AIC3X_CACHEREGNUM] = {
-        0x00, 0x00, 0x00, 0x10, /* 0 */
-        0x04, 0x00, 0x00, 0x00, /* 4 */
-        0x00, 0x00, 0x00, 0x01, /* 8 */
-        0x00, 0x00, 0x00, 0x80, /* 12 */
-        0x80, 0xff, 0xff, 0x78, /* 16 */
-        0x78, 0x78, 0x78, 0x78, /* 20 */
-        0x78, 0x00, 0x00, 0xfe, /* 24 */
-        0x00, 0x00, 0xfe, 0x00, /* 28 */
-        0x18, 0x18, 0x00, 0x00, /* 32 */
-        0x00, 0x00, 0x00, 0x00, /* 36 */
-        0x00, 0x00, 0x00, 0x80, /* 40 */
-        0x80, 0x00, 0x00, 0x00, /* 44 */
-        0x00, 0x00, 0x00, 0x04, /* 48 */
-        0x00, 0x00, 0x00, 0x00, /* 52 */
-        0x00, 0x00, 0x04, 0x00, /* 56 */
-        0x00, 0x00, 0x00, 0x00, /* 60 */
-        0x00, 0x04, 0x00, 0x00, /* 64 */
-        0x00, 0x00, 0x00, 0x00, /* 68 */
-        0x04, 0x00, 0x00, 0x00, /* 72 */
-        0x00, 0x00, 0x00, 0x00, /* 76 */
-        0x00, 0x00, 0x00, 0x00, /* 80 */
-        0x00, 0x00, 0x00, 0x00, /* 84 */
-        0x00, 0x00, 0x00, 0x00, /* 88 */
-        0x00, 0x00, 0x00, 0x00, /* 92 */
-        0x00, 0x00, 0x00, 0x00, /* 96 */
-        0x00, 0x00, 0x02, 0x00, /* 100 */
-        0x00, 0x00, 0x00, 0x00, /* 104 */
-        0x00, 0x00,             /* 108 */
+static const struct reg_default aic3x_reg[] = {
+        {   0, 0x00 }, {   1, 0x00 }, {   2, 0x00 }, {   3, 0x10 },
+        {   4, 0x04 }, {   5, 0x00 }, {   6, 0x00 }, {   7, 0x00 },
+        {   8, 0x00 }, {   9, 0x00 }, {  10, 0x00 }, {  11, 0x01 },
+        {  12, 0x00 }, {  13, 0x00 }, {  14, 0x00 }, {  15, 0x80 },
+        {  16, 0x80 }, {  17, 0xff }, {  18, 0xff }, {  19, 0x78 },
+        {  20, 0x78 }, {  21, 0x78 }, {  22, 0x78 }, {  23, 0x78 },
+        {  24, 0x78 }, {  25, 0x00 }, {  26, 0x00 }, {  27, 0xfe },
+        {  28, 0x00 }, {  29, 0x00 }, {  30, 0xfe }, {  31, 0x00 },
+        {  32, 0x18 }, {  33, 0x18 }, {  34, 0x00 }, {  35, 0x00 },
+        {  36, 0x00 }, {  37, 0x00 }, {  38, 0x00 }, {  39, 0x00 },
+        {  40, 0x00 }, {  41, 0x00 }, {  42, 0x00 }, {  43, 0x80 },
+        {  44, 0x80 }, {  45, 0x00 }, {  46, 0x00 }, {  47, 0x00 },
+        {  48, 0x00 }, {  49, 0x00 }, {  50, 0x00 }, {  51, 0x04 },
+        {  52, 0x00 }, {  53, 0x00 }, {  54, 0x00 }, {  55, 0x00 },
+        {  56, 0x00 }, {  57, 0x00 }, {  58, 0x04 }, {  59, 0x00 },
+        {  60, 0x00 }, {  61, 0x00 }, {  62, 0x00 }, {  63, 0x00 },
+        {  64, 0x00 }, {  65, 0x04 }, {  66, 0x00 }, {  67, 0x00 },
+        {  68, 0x00 }, {  69, 0x00 }, {  70, 0x00 }, {  71, 0x00 },
+        {  72, 0x04 }, {  73, 0x00 }, {  74, 0x00 }, {  75, 0x00 },
+        {  76, 0x00 }, {  77, 0x00 }, {  78, 0x00 }, {  79, 0x00 },
+        {  80, 0x00 }, {  81, 0x00 }, {  82, 0x00 }, {  83, 0x00 },
+        {  84, 0x00 }, {  85, 0x00 }, {  86, 0x00 }, {  87, 0x00 },
+        {  88, 0x00 }, {  89, 0x00 }, {  90, 0x00 }, {  91, 0x00 },
+        {  92, 0x00 }, {  93, 0x00 }, {  94, 0x00 }, {  95, 0x00 },
+        {  96, 0x00 }, {  97, 0x00 }, {  98, 0x00 }, {  99, 0x00 },
+        { 100, 0x00 }, { 101, 0x00 }, { 102, 0x02 }, { 103, 0x00 },
+        { 104, 0x00 }, { 105, 0x00 }, { 106, 0x00 }, { 107, 0x00 },
+        { 108, 0x00 }, { 109, 0x00 },
+};
+
+static const struct regmap_config aic3x_regmap = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = DAC_ICC_ADJ,
+        .reg_defaults = aic3x_reg,
+        .num_reg_defaults = ARRAY_SIZE(aic3x_reg),
+        .cache_type = REGCACHE_RBTREE,
 };
 
 #define SOC_DAPM_SINGLE_AIC3X(xname, reg, shift, mask, invert) \
@@ -828,12 +833,6 @@ static int aic3x_add_widgets(struct snd_soc_codec *codec)
         struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
         struct snd_soc_dapm_context *dapm = &codec->dapm;
 
-        snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets,
-                                  ARRAY_SIZE(aic3x_dapm_widgets));
-
-        /* set up audio path interconnects */
-        snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
-
         if (aic3x->model == AIC3X_MODEL_3007) {
                 snd_soc_dapm_new_controls(dapm, aic3007_dapm_widgets,
                         ARRAY_SIZE(aic3007_dapm_widgets));
@@ -1082,29 +1081,6 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
         return 0;
 }
 
-static int aic3x_init_3007(struct snd_soc_codec *codec)
-{
-        u8 tmp1, tmp2, *cache = codec->reg_cache;
-
-        /*
-         * There is no need to cache writes to undocumented page 0xD but
-         * respective page 0 register cache entries must be preserved
-         */
-        tmp1 = cache[0xD];
-        tmp2 = cache[0x8];
-        /* Class-D speaker driver init; datasheet p. 46 */
-        snd_soc_write(codec, AIC3X_PAGE_SELECT, 0x0D);
-        snd_soc_write(codec, 0xD, 0x0D);
-        snd_soc_write(codec, 0x8, 0x5C);
-        snd_soc_write(codec, 0x8, 0x5D);
-        snd_soc_write(codec, 0x8, 0x5C);
-        snd_soc_write(codec, AIC3X_PAGE_SELECT, 0x00);
-        cache[0xD] = tmp1;
-        cache[0x8] = tmp2;
-
-        return 0;
-}
-
 static int aic3x_regulator_event(struct notifier_block *nb,
                                  unsigned long event, void *data)
 {
@@ -1119,7 +1095,7 @@ static int aic3x_regulator_event(struct notifier_block *nb,
                  */
                 if (gpio_is_valid(aic3x->gpio_reset))
                         gpio_set_value(aic3x->gpio_reset, 0);
-                aic3x->codec->cache_sync = 1;
+                regcache_mark_dirty(aic3x->regmap);
         }
 
         return 0;
@@ -1128,8 +1104,7 @@ static int aic3x_regulator_event(struct notifier_block *nb,
 static int aic3x_set_power(struct snd_soc_codec *codec, int power)
 {
         struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
-        int i, ret;
-        u8 *cache = codec->reg_cache;
+        int ret;
 
         if (power) {
                 ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies),
@@ -1137,12 +1112,6 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
                 if (ret)
                         goto out;
                 aic3x->power = 1;
-                /*
-                 * Reset release and cache sync is necessary only if some
-                 * supply was off or if there were cached writes
-                 */
-                if (!codec->cache_sync)
-                        goto out;
 
                 if (gpio_is_valid(aic3x->gpio_reset)) {
                         udelay(1);
@@ -1150,12 +1119,8 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
                 }
 
                 /* Sync reg_cache with the hardware */
-                codec->cache_only = 0;
-                for (i = AIC3X_SAMPLE_RATE_SEL_REG; i < ARRAY_SIZE(aic3x_reg); i++)
-                        snd_soc_write(codec, i, cache[i]);
-                if (aic3x->model == AIC3X_MODEL_3007)
-                        aic3x_init_3007(codec);
-                codec->cache_sync = 0;
+                regcache_cache_only(aic3x->regmap, false);
+                regcache_sync(aic3x->regmap);
         } else {
                 /*
                  * Do soft reset to this codec instance in order to clear
@@ -1163,10 +1128,10 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
                  * remain on
                  */
                 snd_soc_write(codec, AIC3X_RESET, SOFT_RESET);
-                codec->cache_sync = 1;
+                regcache_mark_dirty(aic3x->regmap);
                 aic3x->power = 0;
                 /* HW writes are needless when bias is off */
-                codec->cache_only = 1;
+                regcache_cache_only(aic3x->regmap, true);
                 ret = regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies),
                                              aic3x->supplies);
         }
@@ -1321,7 +1286,6 @@ static int aic3x_init(struct snd_soc_codec *codec)
         snd_soc_write(codec, LINE2R_2_MONOLOPM_VOL, DEFAULT_VOL);
 
         if (aic3x->model == AIC3X_MODEL_3007) {
-                aic3x_init_3007(codec);
                 snd_soc_write(codec, CLASSD_CTRL, 0);
         }
 
@@ -1349,29 +1313,12 @@ static int aic3x_probe(struct snd_soc_codec *codec)
         INIT_LIST_HEAD(&aic3x->list);
         aic3x->codec = codec;
 
-        ret = snd_soc_codec_set_cache_io(codec, 8, 8, aic3x->control_type);
+        ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
         if (ret != 0) {
                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
                 return ret;
         }
 
-        if (gpio_is_valid(aic3x->gpio_reset) &&
-            !aic3x_is_shared_reset(aic3x)) {
-                ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset");
-                if (ret != 0)
-                        goto err_gpio;
-                gpio_direction_output(aic3x->gpio_reset, 0);
-        }
-
-        for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
-                aic3x->supplies[i].supply = aic3x_supply_names[i];
-
-        ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies),
-                                 aic3x->supplies);
-        if (ret != 0) {
-                dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
-                goto err_get;
-        }
         for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) {
                 aic3x->disable_nb[i].nb.notifier_call = aic3x_regulator_event;
                 aic3x->disable_nb[i].aic3x = aic3x;
@@ -1385,7 +1332,7 @@ static int aic3x_probe(struct snd_soc_codec *codec)
                 }
         }
 
-        codec->cache_only = 1;
+        regcache_mark_dirty(aic3x->regmap);
         aic3x_init(codec);
 
         if (aic3x->setup) {
@@ -1396,8 +1343,6 @@ static int aic3x_probe(struct snd_soc_codec *codec)
                               (aic3x->setup->gpio_func[1] & 0xf) << 4);
         }
 
-        snd_soc_add_codec_controls(codec, aic3x_snd_controls,
-                             ARRAY_SIZE(aic3x_snd_controls));
         if (aic3x->model == AIC3X_MODEL_3007)
                 snd_soc_add_codec_controls(codec, &aic3x_classd_amp_gain_ctrl, 1);
 
@@ -1428,12 +1373,6 @@ err_notif:
         while (i--)
                 regulator_unregister_notifier(aic3x->supplies[i].consumer,
                                               &aic3x->disable_nb[i].nb);
-        regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
-err_get:
-        if (gpio_is_valid(aic3x->gpio_reset) &&
-            !aic3x_is_shared_reset(aic3x))
-                gpio_free(aic3x->gpio_reset);
-err_gpio:
         return ret;
 }
 
@@ -1444,15 +1383,9 @@ static int aic3x_remove(struct snd_soc_codec *codec)
 
         aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF);
         list_del(&aic3x->list);
-        if (gpio_is_valid(aic3x->gpio_reset) &&
-            !aic3x_is_shared_reset(aic3x)) {
-                gpio_set_value(aic3x->gpio_reset, 0);
-                gpio_free(aic3x->gpio_reset);
-        }
         for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
                 regulator_unregister_notifier(aic3x->supplies[i].consumer,
                                               &aic3x->disable_nb[i].nb);
-        regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
 
         return 0;
 }
@@ -1460,13 +1393,16 @@ static int aic3x_remove(struct snd_soc_codec *codec)
 static struct snd_soc_codec_driver soc_codec_dev_aic3x = {
         .set_bias_level = aic3x_set_bias_level,
         .idle_bias_off = true,
-        .reg_cache_size = ARRAY_SIZE(aic3x_reg),
-        .reg_word_size = sizeof(u8),
-        .reg_cache_default = aic3x_reg,
         .probe = aic3x_probe,
         .remove = aic3x_remove,
         .suspend = aic3x_suspend,
         .resume = aic3x_resume,
+        .controls = aic3x_snd_controls,
+        .num_controls = ARRAY_SIZE(aic3x_snd_controls),
+        .dapm_widgets = aic3x_dapm_widgets,
+        .num_dapm_widgets = ARRAY_SIZE(aic3x_dapm_widgets),
+        .dapm_routes = intercon,
+        .num_dapm_routes = ARRAY_SIZE(intercon),
 };
 
 /*
@@ -1483,6 +1419,16 @@ static const struct i2c_device_id aic3x_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
 
+static const struct reg_default aic3007_class_d[] = {
+        /* Class-D speaker driver init; datasheet p. 46 */
+        { AIC3X_PAGE_SELECT, 0x0D },
+        { 0xD, 0x0D },
+        { 0x8, 0x5C },
+        { 0x8, 0x5D },
+        { 0x8, 0x5C },
+        { AIC3X_PAGE_SELECT, 0x00 },
+};
+
 /*
  * If the i2c layer weren't so broken, we could pass this kind of data
  * around
@@ -1494,7 +1440,7 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
         struct aic3x_priv *aic3x;
         struct aic3x_setup_data *ai3x_setup;
         struct device_node *np = i2c->dev.of_node;
-        int ret;
+        int ret, i;
         u32 value;
 
         aic3x = devm_kzalloc(&i2c->dev, sizeof(struct aic3x_priv), GFP_KERNEL);
@@ -1503,7 +1449,13 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
                 return -ENOMEM;
         }
 
-        aic3x->control_type = SND_SOC_I2C;
+        aic3x->regmap = devm_regmap_init_i2c(i2c, &aic3x_regmap);
+        if (IS_ERR(aic3x->regmap)) {
+                ret = PTR_ERR(aic3x->regmap);
+                return ret;
+        }
+
+        regcache_cache_only(aic3x->regmap, true);
 
         i2c_set_clientdata(i2c, aic3x);
         if (pdata) {
@@ -1555,14 +1507,54 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
 
         aic3x->model = id->driver_data;
 
+        if (gpio_is_valid(aic3x->gpio_reset) &&
+            !aic3x_is_shared_reset(aic3x)) {
+                ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset");
+                if (ret != 0)
+                        goto err;
+                gpio_direction_output(aic3x->gpio_reset, 0);
+        }
+
+        for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
+                aic3x->supplies[i].supply = aic3x_supply_names[i];
+
+        ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(aic3x->supplies),
+                                      aic3x->supplies);
+        if (ret != 0) {
+                dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+                goto err_gpio;
+        }
+
+        if (aic3x->model == AIC3X_MODEL_3007) {
+                ret = regmap_register_patch(aic3x->regmap, aic3007_class_d,
+                                            ARRAY_SIZE(aic3007_class_d));
+                if (ret != 0)
+                        dev_err(&i2c->dev, "Failed to init class D: %d\n",
+                                ret);
+        }
+
         ret = snd_soc_register_codec(&i2c->dev,
                         &soc_codec_dev_aic3x, &aic3x_dai, 1);
         return ret;
+
+err_gpio:
+        if (gpio_is_valid(aic3x->gpio_reset) &&
+            !aic3x_is_shared_reset(aic3x))
+                gpio_free(aic3x->gpio_reset);
+err:
+        return ret;
 }
 
 static int aic3x_i2c_remove(struct i2c_client *client)
 {
+        struct aic3x_priv *aic3x = i2c_get_clientdata(client);
+
         snd_soc_unregister_codec(&client->dev);
+        if (gpio_is_valid(aic3x->gpio_reset) &&
+            !aic3x_is_shared_reset(aic3x)) {
+                gpio_set_value(aic3x->gpio_reset, 0);
+                gpio_free(aic3x->gpio_reset);
+        }
         return 0;
 }