*
* Notes:
* The AIC3X is a driver for a low power stereo audio
- * codecs aic31, aic32, aic33.
+ * codecs aic31, aic32, aic33, aic3007.
*
* It supports full aic33 codec functionality.
- * The compatibility with aic32, aic31 is as follows:
- * aic32 | aic31
+ * The compatibility with aic32, aic31 and aic3007 is as follows:
+ * aic32/aic3007 | aic31
* ---------------------------------------
* MONO_LOUT -> N/A | MONO_LOUT -> N/A
* | IN1L -> LINE1L
unsigned int sysclk;
int master;
int gpio_reset;
+#define AIC3X_MODEL_3X 0
+#define AIC3X_MODEL_33 1
+#define AIC3X_MODEL_3007 2
+ u16 model;
};
/*
SOC_ENUM("ADC HPF Cut-off", aic3x_enum[ADC_HPF_ENUM]),
};
+/*
+ * Class-D amplifier gain. From 0 to 18 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(classd_amp_tlv, 0, 600, 0);
+
+static const struct snd_kcontrol_new aic3x_classd_amp_gain_ctrl =
+ SOC_DOUBLE_TLV("Class-D Amplifier Gain", CLASSD_CTRL, 6, 4, 3, 0, classd_amp_tlv);
+
/* Left DAC Mux */
static const struct snd_kcontrol_new aic3x_left_dac_mux_controls =
SOC_DAPM_ENUM("Route", aic3x_enum[LDAC_ENUM]);
SND_SOC_DAPM_INPUT("LINE2R"),
};
+static const struct snd_soc_dapm_widget aic3007_dapm_widgets[] = {
+ /* Class-D outputs */
+ SND_SOC_DAPM_PGA("Left Class-D Out", CLASSD_CTRL, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Class-D Out", CLASSD_CTRL, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_OUTPUT("SPOP"),
+ SND_SOC_DAPM_OUTPUT("SPOM"),
+};
+
static const struct snd_soc_dapm_route intercon[] = {
/* Left Output */
{"Left DAC Mux", "DAC_L1", "Left DAC"},
{"GPIO1 dmic modclk", NULL, "DMic Rate 32"},
};
+static const struct snd_soc_dapm_route intercon_3007[] = {
+ /* Class-D outputs */
+ {"Left Class-D Out", NULL, "Left Line Out"},
+ {"Right Class-D Out", NULL, "Left Line Out"},
+ {"SPOP", NULL, "Left Class-D Out"},
+ {"SPOM", NULL, "Right Class-D Out"},
+};
+
static int aic3x_add_widgets(struct snd_soc_codec *codec)
{
+ struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
+
snd_soc_dapm_new_controls(codec, aic3x_dapm_widgets,
ARRAY_SIZE(aic3x_dapm_widgets));
/* set up audio path interconnects */
snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+ if (aic3x->model == AIC3X_MODEL_3007) {
+ snd_soc_dapm_new_controls(codec, aic3007_dapm_widgets,
+ ARRAY_SIZE(aic3007_dapm_widgets));
+ snd_soc_dapm_add_routes(codec, intercon_3007, ARRAY_SIZE(intercon_3007));
+ }
+
return 0;
}
*/
static int aic3x_init(struct snd_soc_codec *codec)
{
+ struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
int reg;
aic3x_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT);
aic3x_write(codec, LINE2L_2_MONOLOPM_VOL, DEFAULT_VOL);
aic3x_write(codec, LINE2R_2_MONOLOPM_VOL, DEFAULT_VOL);
+ if (aic3x->model == AIC3X_MODEL_3007) {
+ /* Class-D speaker driver init; datasheet p. 46 */
+ aic3x_write(codec, AIC3X_PAGE_SELECT, 0x0D);
+ aic3x_write(codec, 0xD, 0x0D);
+ aic3x_write(codec, 0x8, 0x5C);
+ aic3x_write(codec, 0x8, 0x5D);
+ aic3x_write(codec, 0x8, 0x5C);
+ aic3x_write(codec, AIC3X_PAGE_SELECT, 0x00);
+ aic3x_write(codec, CLASSD_CTRL, 0);
+ }
+
/* off, with power on */
aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
snd_soc_add_controls(codec, aic3x_snd_controls,
ARRAY_SIZE(aic3x_snd_controls));
+ if (aic3x->model == AIC3X_MODEL_3007)
+ snd_soc_add_controls(codec, &aic3x_classd_amp_gain_ctrl, 1);
aic3x_add_widgets(codec);
* 0x18, 0x19, 0x1A, 0x1B
*/
+static const struct i2c_device_id aic3x_i2c_id[] = {
+ [AIC3X_MODEL_3X] = { "tlv320aic3x", 0 },
+ [AIC3X_MODEL_33] = { "tlv320aic33", 0 },
+ [AIC3X_MODEL_3007] = { "tlv320aic3007", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
+
/*
* If the i2c layer weren't so broken, we could pass this kind of data
* around
struct aic3x_setup_data *setup = pdata->setup;
struct aic3x_priv *aic3x;
int ret, i;
+ const struct i2c_device_id *tbl;
aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL);
if (aic3x == NULL) {
gpio_direction_output(aic3x->gpio_reset, 0);
}
+ for (tbl = aic3x_i2c_id; tbl->name[0]; tbl++) {
+ if (!strcmp(tbl->name, id->name))
+ break;
+ }
+ aic3x->model = tbl - aic3x_i2c_id;
+
for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
aic3x->supplies[i].supply = aic3x_supply_names[i];
return 0;
}
-static const struct i2c_device_id aic3x_i2c_id[] = {
- { "tlv320aic3x", 0 },
- { "tlv320aic33", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
-
/* machine i2c codec control layer */
static struct i2c_driver aic3x_i2c_driver = {
.driver = {