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-rw-r--r--sound/soc/tegra/tegra210_ahub.c679
1 files changed, 679 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra210_ahub.c b/sound/soc/tegra/tegra210_ahub.c
new file mode 100644
index 000000000..1b2f7cb8c
--- /dev/null
+++ b/sound/soc/tegra/tegra210_ahub.c
@@ -0,0 +1,679 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// tegra210_ahub.c - Tegra210 AHUB driver
+//
+// Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved.
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include "tegra210_ahub.h"
+
+static int tegra_ahub_get_value_enum(struct snd_kcontrol *kctl,
+ struct snd_ctl_elem_value *uctl)
+{
+ struct snd_soc_component *cmpnt = snd_soc_dapm_kcontrol_component(kctl);
+ struct tegra_ahub *ahub = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_enum *e = (struct soc_enum *)kctl->private_value;
+ unsigned int reg, i, bit_pos = 0;
+
+ /*
+ * Find the bit position of current MUX input.
+ * If nothing is set, position would be 0 and it corresponds to 'None'.
+ */
+ for (i = 0; i < ahub->soc_data->reg_count; i++) {
+ unsigned int reg_val;
+
+ reg = e->reg + (TEGRA210_XBAR_PART1_RX * i);
+ reg_val = snd_soc_component_read(cmpnt, reg);
+ reg_val &= ahub->soc_data->mask[i];
+
+ if (reg_val) {
+ bit_pos = ffs(reg_val) +
+ (8 * cmpnt->val_bytes * i);
+ break;
+ }
+ }
+
+ /* Find index related to the item in array *_ahub_mux_texts[] */
+ for (i = 0; i < e->items; i++) {
+ if (bit_pos == e->values[i]) {
+ uctl->value.enumerated.item[0] = i;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int tegra_ahub_put_value_enum(struct snd_kcontrol *kctl,
+ struct snd_ctl_elem_value *uctl)
+{
+ struct snd_soc_component *cmpnt = snd_soc_dapm_kcontrol_component(kctl);
+ struct tegra_ahub *ahub = snd_soc_component_get_drvdata(cmpnt);
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kctl);
+ struct soc_enum *e = (struct soc_enum *)kctl->private_value;
+ struct snd_soc_dapm_update update[TEGRA_XBAR_UPDATE_MAX_REG] = { };
+ unsigned int *item = uctl->value.enumerated.item;
+ unsigned int value = e->values[item[0]];
+ unsigned int i, bit_pos, reg_idx = 0, reg_val = 0;
+ int change = 0;
+
+ if (item[0] >= e->items)
+ return -EINVAL;
+
+ if (value) {
+ /* Get the register index and value to set */
+ reg_idx = (value - 1) / (8 * cmpnt->val_bytes);
+ bit_pos = (value - 1) % (8 * cmpnt->val_bytes);
+ reg_val = BIT(bit_pos);
+ }
+
+ /*
+ * Run through all parts of a MUX register to find the state changes.
+ * There will be an additional update if new MUX input value is from
+ * different part of the MUX register.
+ */
+ for (i = 0; i < ahub->soc_data->reg_count; i++) {
+ update[i].reg = e->reg + (TEGRA210_XBAR_PART1_RX * i);
+ update[i].val = (i == reg_idx) ? reg_val : 0;
+ update[i].mask = ahub->soc_data->mask[i];
+ update[i].kcontrol = kctl;
+
+ /* Update widget power if state has changed */
+ if (snd_soc_component_test_bits(cmpnt, update[i].reg,
+ update[i].mask,
+ update[i].val))
+ change |= snd_soc_dapm_mux_update_power(dapm, kctl,
+ item[0], e,
+ &update[i]);
+ }
+
+ return change;
+}
+
+static struct snd_soc_dai_driver tegra210_ahub_dais[] = {
+ DAI(ADMAIF1),
+ DAI(ADMAIF2),
+ DAI(ADMAIF3),
+ DAI(ADMAIF4),
+ DAI(ADMAIF5),
+ DAI(ADMAIF6),
+ DAI(ADMAIF7),
+ DAI(ADMAIF8),
+ DAI(ADMAIF9),
+ DAI(ADMAIF10),
+ DAI(I2S1),
+ DAI(I2S2),
+ DAI(I2S3),
+ DAI(I2S4),
+ DAI(I2S5),
+ DAI(DMIC1),
+ DAI(DMIC2),
+ DAI(DMIC3),
+};
+
+static struct snd_soc_dai_driver tegra186_ahub_dais[] = {
+ DAI(ADMAIF1),
+ DAI(ADMAIF2),
+ DAI(ADMAIF3),
+ DAI(ADMAIF4),
+ DAI(ADMAIF5),
+ DAI(ADMAIF6),
+ DAI(ADMAIF7),
+ DAI(ADMAIF8),
+ DAI(ADMAIF9),
+ DAI(ADMAIF10),
+ DAI(ADMAIF11),
+ DAI(ADMAIF12),
+ DAI(ADMAIF13),
+ DAI(ADMAIF14),
+ DAI(ADMAIF15),
+ DAI(ADMAIF16),
+ DAI(ADMAIF17),
+ DAI(ADMAIF18),
+ DAI(ADMAIF19),
+ DAI(ADMAIF20),
+ DAI(I2S1),
+ DAI(I2S2),
+ DAI(I2S3),
+ DAI(I2S4),
+ DAI(I2S5),
+ DAI(I2S6),
+ DAI(DMIC1),
+ DAI(DMIC2),
+ DAI(DMIC3),
+ DAI(DMIC4),
+ DAI(DSPK1),
+ DAI(DSPK2),
+};
+
+static const char * const tegra210_ahub_mux_texts[] = {
+ "None",
+ "ADMAIF1",
+ "ADMAIF2",
+ "ADMAIF3",
+ "ADMAIF4",
+ "ADMAIF5",
+ "ADMAIF6",
+ "ADMAIF7",
+ "ADMAIF8",
+ "ADMAIF9",
+ "ADMAIF10",
+ "I2S1",
+ "I2S2",
+ "I2S3",
+ "I2S4",
+ "I2S5",
+ "DMIC1",
+ "DMIC2",
+ "DMIC3",
+};
+
+static const char * const tegra186_ahub_mux_texts[] = {
+ "None",
+ "ADMAIF1",
+ "ADMAIF2",
+ "ADMAIF3",
+ "ADMAIF4",
+ "ADMAIF5",
+ "ADMAIF6",
+ "ADMAIF7",
+ "ADMAIF8",
+ "ADMAIF9",
+ "ADMAIF10",
+ "ADMAIF11",
+ "ADMAIF12",
+ "ADMAIF13",
+ "ADMAIF14",
+ "ADMAIF15",
+ "ADMAIF16",
+ "I2S1",
+ "I2S2",
+ "I2S3",
+ "I2S4",
+ "I2S5",
+ "I2S6",
+ "ADMAIF17",
+ "ADMAIF18",
+ "ADMAIF19",
+ "ADMAIF20",
+ "DMIC1",
+ "DMIC2",
+ "DMIC3",
+ "DMIC4",
+};
+
+static const unsigned int tegra210_ahub_mux_values[] = {
+ 0,
+ MUX_VALUE(0, 0),
+ MUX_VALUE(0, 1),
+ MUX_VALUE(0, 2),
+ MUX_VALUE(0, 3),
+ MUX_VALUE(0, 4),
+ MUX_VALUE(0, 5),
+ MUX_VALUE(0, 6),
+ MUX_VALUE(0, 7),
+ MUX_VALUE(0, 8),
+ MUX_VALUE(0, 9),
+ MUX_VALUE(0, 16),
+ MUX_VALUE(0, 17),
+ MUX_VALUE(0, 18),
+ MUX_VALUE(0, 19),
+ MUX_VALUE(0, 20),
+ MUX_VALUE(2, 18),
+ MUX_VALUE(2, 19),
+ MUX_VALUE(2, 20),
+};
+
+static const unsigned int tegra186_ahub_mux_values[] = {
+ 0,
+ MUX_VALUE(0, 0),
+ MUX_VALUE(0, 1),
+ MUX_VALUE(0, 2),
+ MUX_VALUE(0, 3),
+ MUX_VALUE(0, 4),
+ MUX_VALUE(0, 5),
+ MUX_VALUE(0, 6),
+ MUX_VALUE(0, 7),
+ MUX_VALUE(0, 8),
+ MUX_VALUE(0, 9),
+ MUX_VALUE(0, 10),
+ MUX_VALUE(0, 11),
+ MUX_VALUE(0, 12),
+ MUX_VALUE(0, 13),
+ MUX_VALUE(0, 14),
+ MUX_VALUE(0, 15),
+ MUX_VALUE(0, 16),
+ MUX_VALUE(0, 17),
+ MUX_VALUE(0, 18),
+ MUX_VALUE(0, 19),
+ MUX_VALUE(0, 20),
+ MUX_VALUE(0, 21),
+ MUX_VALUE(3, 16),
+ MUX_VALUE(3, 17),
+ MUX_VALUE(3, 18),
+ MUX_VALUE(3, 19),
+ MUX_VALUE(2, 18),
+ MUX_VALUE(2, 19),
+ MUX_VALUE(2, 20),
+ MUX_VALUE(2, 21),
+};
+
+/* Controls for t210 */
+MUX_ENUM_CTRL_DECL(t210_admaif1_tx, 0x00);
+MUX_ENUM_CTRL_DECL(t210_admaif2_tx, 0x01);
+MUX_ENUM_CTRL_DECL(t210_admaif3_tx, 0x02);
+MUX_ENUM_CTRL_DECL(t210_admaif4_tx, 0x03);
+MUX_ENUM_CTRL_DECL(t210_admaif5_tx, 0x04);
+MUX_ENUM_CTRL_DECL(t210_admaif6_tx, 0x05);
+MUX_ENUM_CTRL_DECL(t210_admaif7_tx, 0x06);
+MUX_ENUM_CTRL_DECL(t210_admaif8_tx, 0x07);
+MUX_ENUM_CTRL_DECL(t210_admaif9_tx, 0x08);
+MUX_ENUM_CTRL_DECL(t210_admaif10_tx, 0x09);
+MUX_ENUM_CTRL_DECL(t210_i2s1_tx, 0x10);
+MUX_ENUM_CTRL_DECL(t210_i2s2_tx, 0x11);
+MUX_ENUM_CTRL_DECL(t210_i2s3_tx, 0x12);
+MUX_ENUM_CTRL_DECL(t210_i2s4_tx, 0x13);
+MUX_ENUM_CTRL_DECL(t210_i2s5_tx, 0x14);
+
+/* Controls for t186 */
+MUX_ENUM_CTRL_DECL_186(t186_admaif1_tx, 0x00);
+MUX_ENUM_CTRL_DECL_186(t186_admaif2_tx, 0x01);
+MUX_ENUM_CTRL_DECL_186(t186_admaif3_tx, 0x02);
+MUX_ENUM_CTRL_DECL_186(t186_admaif4_tx, 0x03);
+MUX_ENUM_CTRL_DECL_186(t186_admaif5_tx, 0x04);
+MUX_ENUM_CTRL_DECL_186(t186_admaif6_tx, 0x05);
+MUX_ENUM_CTRL_DECL_186(t186_admaif7_tx, 0x06);
+MUX_ENUM_CTRL_DECL_186(t186_admaif8_tx, 0x07);
+MUX_ENUM_CTRL_DECL_186(t186_admaif9_tx, 0x08);
+MUX_ENUM_CTRL_DECL_186(t186_admaif10_tx, 0x09);
+MUX_ENUM_CTRL_DECL_186(t186_i2s1_tx, 0x10);
+MUX_ENUM_CTRL_DECL_186(t186_i2s2_tx, 0x11);
+MUX_ENUM_CTRL_DECL_186(t186_i2s3_tx, 0x12);
+MUX_ENUM_CTRL_DECL_186(t186_i2s4_tx, 0x13);
+MUX_ENUM_CTRL_DECL_186(t186_i2s5_tx, 0x14);
+MUX_ENUM_CTRL_DECL_186(t186_admaif11_tx, 0x0a);
+MUX_ENUM_CTRL_DECL_186(t186_admaif12_tx, 0x0b);
+MUX_ENUM_CTRL_DECL_186(t186_admaif13_tx, 0x0c);
+MUX_ENUM_CTRL_DECL_186(t186_admaif14_tx, 0x0d);
+MUX_ENUM_CTRL_DECL_186(t186_admaif15_tx, 0x0e);
+MUX_ENUM_CTRL_DECL_186(t186_admaif16_tx, 0x0f);
+MUX_ENUM_CTRL_DECL_186(t186_i2s6_tx, 0x15);
+MUX_ENUM_CTRL_DECL_186(t186_dspk1_tx, 0x30);
+MUX_ENUM_CTRL_DECL_186(t186_dspk2_tx, 0x31);
+MUX_ENUM_CTRL_DECL_186(t186_admaif17_tx, 0x68);
+MUX_ENUM_CTRL_DECL_186(t186_admaif18_tx, 0x69);
+MUX_ENUM_CTRL_DECL_186(t186_admaif19_tx, 0x6a);
+MUX_ENUM_CTRL_DECL_186(t186_admaif20_tx, 0x6b);
+
+/*
+ * The number of entries in, and order of, this array is closely tied to the
+ * calculation of tegra210_ahub_codec.num_dapm_widgets near the end of
+ * tegra210_ahub_probe()
+ */
+static const struct snd_soc_dapm_widget tegra210_ahub_widgets[] = {
+ WIDGETS("ADMAIF1", t210_admaif1_tx),
+ WIDGETS("ADMAIF2", t210_admaif2_tx),
+ WIDGETS("ADMAIF3", t210_admaif3_tx),
+ WIDGETS("ADMAIF4", t210_admaif4_tx),
+ WIDGETS("ADMAIF5", t210_admaif5_tx),
+ WIDGETS("ADMAIF6", t210_admaif6_tx),
+ WIDGETS("ADMAIF7", t210_admaif7_tx),
+ WIDGETS("ADMAIF8", t210_admaif8_tx),
+ WIDGETS("ADMAIF9", t210_admaif9_tx),
+ WIDGETS("ADMAIF10", t210_admaif10_tx),
+ WIDGETS("I2S1", t210_i2s1_tx),
+ WIDGETS("I2S2", t210_i2s2_tx),
+ WIDGETS("I2S3", t210_i2s3_tx),
+ WIDGETS("I2S4", t210_i2s4_tx),
+ WIDGETS("I2S5", t210_i2s5_tx),
+ TX_WIDGETS("DMIC1"),
+ TX_WIDGETS("DMIC2"),
+ TX_WIDGETS("DMIC3"),
+};
+
+static const struct snd_soc_dapm_widget tegra186_ahub_widgets[] = {
+ WIDGETS("ADMAIF1", t186_admaif1_tx),
+ WIDGETS("ADMAIF2", t186_admaif2_tx),
+ WIDGETS("ADMAIF3", t186_admaif3_tx),
+ WIDGETS("ADMAIF4", t186_admaif4_tx),
+ WIDGETS("ADMAIF5", t186_admaif5_tx),
+ WIDGETS("ADMAIF6", t186_admaif6_tx),
+ WIDGETS("ADMAIF7", t186_admaif7_tx),
+ WIDGETS("ADMAIF8", t186_admaif8_tx),
+ WIDGETS("ADMAIF9", t186_admaif9_tx),
+ WIDGETS("ADMAIF10", t186_admaif10_tx),
+ WIDGETS("ADMAIF11", t186_admaif11_tx),
+ WIDGETS("ADMAIF12", t186_admaif12_tx),
+ WIDGETS("ADMAIF13", t186_admaif13_tx),
+ WIDGETS("ADMAIF14", t186_admaif14_tx),
+ WIDGETS("ADMAIF15", t186_admaif15_tx),
+ WIDGETS("ADMAIF16", t186_admaif16_tx),
+ WIDGETS("ADMAIF17", t186_admaif17_tx),
+ WIDGETS("ADMAIF18", t186_admaif18_tx),
+ WIDGETS("ADMAIF19", t186_admaif19_tx),
+ WIDGETS("ADMAIF20", t186_admaif20_tx),
+ WIDGETS("I2S1", t186_i2s1_tx),
+ WIDGETS("I2S2", t186_i2s2_tx),
+ WIDGETS("I2S3", t186_i2s3_tx),
+ WIDGETS("I2S4", t186_i2s4_tx),
+ WIDGETS("I2S5", t186_i2s5_tx),
+ WIDGETS("I2S6", t186_i2s6_tx),
+ TX_WIDGETS("DMIC1"),
+ TX_WIDGETS("DMIC2"),
+ TX_WIDGETS("DMIC3"),
+ TX_WIDGETS("DMIC4"),
+ WIDGETS("DSPK1", t186_dspk1_tx),
+ WIDGETS("DSPK2", t186_dspk2_tx),
+};
+
+#define TEGRA_COMMON_MUX_ROUTES(name) \
+ { name " XBAR-TX", NULL, name " Mux" }, \
+ { name " Mux", "ADMAIF1", "ADMAIF1 XBAR-RX" }, \
+ { name " Mux", "ADMAIF2", "ADMAIF2 XBAR-RX" }, \
+ { name " Mux", "ADMAIF3", "ADMAIF3 XBAR-RX" }, \
+ { name " Mux", "ADMAIF4", "ADMAIF4 XBAR-RX" }, \
+ { name " Mux", "ADMAIF5", "ADMAIF5 XBAR-RX" }, \
+ { name " Mux", "ADMAIF6", "ADMAIF6 XBAR-RX" }, \
+ { name " Mux", "ADMAIF7", "ADMAIF7 XBAR-RX" }, \
+ { name " Mux", "ADMAIF8", "ADMAIF8 XBAR-RX" }, \
+ { name " Mux", "ADMAIF9", "ADMAIF9 XBAR-RX" }, \
+ { name " Mux", "ADMAIF10", "ADMAIF10 XBAR-RX" }, \
+ { name " Mux", "I2S1", "I2S1 XBAR-RX" }, \
+ { name " Mux", "I2S2", "I2S2 XBAR-RX" }, \
+ { name " Mux", "I2S3", "I2S3 XBAR-RX" }, \
+ { name " Mux", "I2S4", "I2S4 XBAR-RX" }, \
+ { name " Mux", "I2S5", "I2S5 XBAR-RX" }, \
+ { name " Mux", "DMIC1", "DMIC1 XBAR-RX" }, \
+ { name " Mux", "DMIC2", "DMIC2 XBAR-RX" }, \
+ { name " Mux", "DMIC3", "DMIC3 XBAR-RX" },
+
+#define TEGRA186_ONLY_MUX_ROUTES(name) \
+ { name " Mux", "ADMAIF11", "ADMAIF11 XBAR-RX" }, \
+ { name " Mux", "ADMAIF12", "ADMAIF12 XBAR-RX" }, \
+ { name " Mux", "ADMAIF13", "ADMAIF13 XBAR-RX" }, \
+ { name " Mux", "ADMAIF14", "ADMAIF14 XBAR-RX" }, \
+ { name " Mux", "ADMAIF15", "ADMAIF15 XBAR-RX" }, \
+ { name " Mux", "ADMAIF16", "ADMAIF16 XBAR-RX" }, \
+ { name " Mux", "ADMAIF17", "ADMAIF17 XBAR-RX" }, \
+ { name " Mux", "ADMAIF18", "ADMAIF18 XBAR-RX" }, \
+ { name " Mux", "ADMAIF19", "ADMAIF19 XBAR-RX" }, \
+ { name " Mux", "ADMAIF20", "ADMAIF20 XBAR-RX" }, \
+ { name " Mux", "I2S6", "I2S6 XBAR-RX" }, \
+ { name " Mux", "DMIC4", "DMIC4 XBAR-RX" },
+
+#define TEGRA210_MUX_ROUTES(name) \
+ TEGRA_COMMON_MUX_ROUTES(name)
+
+#define TEGRA186_MUX_ROUTES(name) \
+ TEGRA_COMMON_MUX_ROUTES(name) \
+ TEGRA186_ONLY_MUX_ROUTES(name)
+
+/* Connect FEs with XBAR */
+#define TEGRA_FE_ROUTES(name) \
+ { name " XBAR-Playback", NULL, name " Playback" }, \
+ { name " XBAR-RX", NULL, name " XBAR-Playback"}, \
+ { name " XBAR-Capture", NULL, name " XBAR-TX" }, \
+ { name " Capture", NULL, name " XBAR-Capture" },
+
+/*
+ * The number of entries in, and order of, this array is closely tied to the
+ * calculation of tegra210_ahub_codec.num_dapm_routes near the end of
+ * tegra210_ahub_probe()
+ */
+static const struct snd_soc_dapm_route tegra210_ahub_routes[] = {
+ TEGRA_FE_ROUTES("ADMAIF1")
+ TEGRA_FE_ROUTES("ADMAIF2")
+ TEGRA_FE_ROUTES("ADMAIF3")
+ TEGRA_FE_ROUTES("ADMAIF4")
+ TEGRA_FE_ROUTES("ADMAIF5")
+ TEGRA_FE_ROUTES("ADMAIF6")
+ TEGRA_FE_ROUTES("ADMAIF7")
+ TEGRA_FE_ROUTES("ADMAIF8")
+ TEGRA_FE_ROUTES("ADMAIF9")
+ TEGRA_FE_ROUTES("ADMAIF10")
+ TEGRA210_MUX_ROUTES("ADMAIF1")
+ TEGRA210_MUX_ROUTES("ADMAIF2")
+ TEGRA210_MUX_ROUTES("ADMAIF3")
+ TEGRA210_MUX_ROUTES("ADMAIF4")
+ TEGRA210_MUX_ROUTES("ADMAIF5")
+ TEGRA210_MUX_ROUTES("ADMAIF6")
+ TEGRA210_MUX_ROUTES("ADMAIF7")
+ TEGRA210_MUX_ROUTES("ADMAIF8")
+ TEGRA210_MUX_ROUTES("ADMAIF9")
+ TEGRA210_MUX_ROUTES("ADMAIF10")
+ TEGRA210_MUX_ROUTES("I2S1")
+ TEGRA210_MUX_ROUTES("I2S2")
+ TEGRA210_MUX_ROUTES("I2S3")
+ TEGRA210_MUX_ROUTES("I2S4")
+ TEGRA210_MUX_ROUTES("I2S5")
+};
+
+static const struct snd_soc_dapm_route tegra186_ahub_routes[] = {
+ TEGRA_FE_ROUTES("ADMAIF1")
+ TEGRA_FE_ROUTES("ADMAIF2")
+ TEGRA_FE_ROUTES("ADMAIF3")
+ TEGRA_FE_ROUTES("ADMAIF4")
+ TEGRA_FE_ROUTES("ADMAIF5")
+ TEGRA_FE_ROUTES("ADMAIF6")
+ TEGRA_FE_ROUTES("ADMAIF7")
+ TEGRA_FE_ROUTES("ADMAIF8")
+ TEGRA_FE_ROUTES("ADMAIF9")
+ TEGRA_FE_ROUTES("ADMAIF10")
+ TEGRA_FE_ROUTES("ADMAIF11")
+ TEGRA_FE_ROUTES("ADMAIF12")
+ TEGRA_FE_ROUTES("ADMAIF13")
+ TEGRA_FE_ROUTES("ADMAIF14")
+ TEGRA_FE_ROUTES("ADMAIF15")
+ TEGRA_FE_ROUTES("ADMAIF16")
+ TEGRA_FE_ROUTES("ADMAIF17")
+ TEGRA_FE_ROUTES("ADMAIF18")
+ TEGRA_FE_ROUTES("ADMAIF19")
+ TEGRA_FE_ROUTES("ADMAIF20")
+ TEGRA186_MUX_ROUTES("ADMAIF1")
+ TEGRA186_MUX_ROUTES("ADMAIF2")
+ TEGRA186_MUX_ROUTES("ADMAIF3")
+ TEGRA186_MUX_ROUTES("ADMAIF4")
+ TEGRA186_MUX_ROUTES("ADMAIF5")
+ TEGRA186_MUX_ROUTES("ADMAIF6")
+ TEGRA186_MUX_ROUTES("ADMAIF7")
+ TEGRA186_MUX_ROUTES("ADMAIF8")
+ TEGRA186_MUX_ROUTES("ADMAIF9")
+ TEGRA186_MUX_ROUTES("ADMAIF10")
+ TEGRA186_MUX_ROUTES("ADMAIF11")
+ TEGRA186_MUX_ROUTES("ADMAIF12")
+ TEGRA186_MUX_ROUTES("ADMAIF13")
+ TEGRA186_MUX_ROUTES("ADMAIF14")
+ TEGRA186_MUX_ROUTES("ADMAIF15")
+ TEGRA186_MUX_ROUTES("ADMAIF16")
+ TEGRA186_MUX_ROUTES("ADMAIF17")
+ TEGRA186_MUX_ROUTES("ADMAIF18")
+ TEGRA186_MUX_ROUTES("ADMAIF19")
+ TEGRA186_MUX_ROUTES("ADMAIF20")
+ TEGRA186_MUX_ROUTES("I2S1")
+ TEGRA186_MUX_ROUTES("I2S2")
+ TEGRA186_MUX_ROUTES("I2S3")
+ TEGRA186_MUX_ROUTES("I2S4")
+ TEGRA186_MUX_ROUTES("I2S5")
+ TEGRA186_MUX_ROUTES("I2S6")
+ TEGRA186_MUX_ROUTES("DSPK1")
+ TEGRA186_MUX_ROUTES("DSPK2")
+};
+
+static const struct snd_soc_component_driver tegra210_ahub_component = {
+ .dapm_widgets = tegra210_ahub_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tegra210_ahub_widgets),
+ .dapm_routes = tegra210_ahub_routes,
+ .num_dapm_routes = ARRAY_SIZE(tegra210_ahub_routes),
+};
+
+static const struct snd_soc_component_driver tegra186_ahub_component = {
+ .dapm_widgets = tegra186_ahub_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tegra186_ahub_widgets),
+ .dapm_routes = tegra186_ahub_routes,
+ .num_dapm_routes = ARRAY_SIZE(tegra186_ahub_routes),
+};
+
+static const struct regmap_config tegra210_ahub_regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = TEGRA210_MAX_REGISTER_ADDR,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct regmap_config tegra186_ahub_regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = TEGRA186_MAX_REGISTER_ADDR,
+ .cache_type = REGCACHE_FLAT,
+};
+
+static const struct tegra_ahub_soc_data soc_data_tegra210 = {
+ .cmpnt_drv = &tegra210_ahub_component,
+ .dai_drv = tegra210_ahub_dais,
+ .num_dais = ARRAY_SIZE(tegra210_ahub_dais),
+ .regmap_config = &tegra210_ahub_regmap_config,
+ .mask[0] = TEGRA210_XBAR_REG_MASK_0,
+ .mask[1] = TEGRA210_XBAR_REG_MASK_1,
+ .mask[2] = TEGRA210_XBAR_REG_MASK_2,
+ .mask[3] = TEGRA210_XBAR_REG_MASK_3,
+ .reg_count = TEGRA210_XBAR_UPDATE_MAX_REG,
+};
+
+static const struct tegra_ahub_soc_data soc_data_tegra186 = {
+ .cmpnt_drv = &tegra186_ahub_component,
+ .dai_drv = tegra186_ahub_dais,
+ .num_dais = ARRAY_SIZE(tegra186_ahub_dais),
+ .regmap_config = &tegra186_ahub_regmap_config,
+ .mask[0] = TEGRA186_XBAR_REG_MASK_0,
+ .mask[1] = TEGRA186_XBAR_REG_MASK_1,
+ .mask[2] = TEGRA186_XBAR_REG_MASK_2,
+ .mask[3] = TEGRA186_XBAR_REG_MASK_3,
+ .reg_count = TEGRA186_XBAR_UPDATE_MAX_REG,
+};
+
+static const struct of_device_id tegra_ahub_of_match[] = {
+ { .compatible = "nvidia,tegra210-ahub", .data = &soc_data_tegra210 },
+ { .compatible = "nvidia,tegra186-ahub", .data = &soc_data_tegra186 },
+ {},
+};
+MODULE_DEVICE_TABLE(of, tegra_ahub_of_match);
+
+static int __maybe_unused tegra_ahub_runtime_suspend(struct device *dev)
+{
+ struct tegra_ahub *ahub = dev_get_drvdata(dev);
+
+ regcache_cache_only(ahub->regmap, true);
+ regcache_mark_dirty(ahub->regmap);
+
+ clk_disable_unprepare(ahub->clk);
+
+ return 0;
+}
+
+static int __maybe_unused tegra_ahub_runtime_resume(struct device *dev)
+{
+ struct tegra_ahub *ahub = dev_get_drvdata(dev);
+ int err;
+
+ err = clk_prepare_enable(ahub->clk);
+ if (err) {
+ dev_err(dev, "failed to enable AHUB clock, err: %d\n", err);
+ return err;
+ }
+
+ regcache_cache_only(ahub->regmap, false);
+ regcache_sync(ahub->regmap);
+
+ return 0;
+}
+
+static int tegra_ahub_probe(struct platform_device *pdev)
+{
+ struct tegra_ahub *ahub;
+ void __iomem *regs;
+ int err;
+
+ ahub = devm_kzalloc(&pdev->dev, sizeof(*ahub), GFP_KERNEL);
+ if (!ahub)
+ return -ENOMEM;
+
+ ahub->soc_data = of_device_get_match_data(&pdev->dev);
+
+ platform_set_drvdata(pdev, ahub);
+
+ ahub->clk = devm_clk_get(&pdev->dev, "ahub");
+ if (IS_ERR(ahub->clk)) {
+ dev_err(&pdev->dev, "can't retrieve AHUB clock\n");
+ return PTR_ERR(ahub->clk);
+ }
+
+ regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ ahub->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
+ ahub->soc_data->regmap_config);
+ if (IS_ERR(ahub->regmap)) {
+ dev_err(&pdev->dev, "regmap init failed\n");
+ return PTR_ERR(ahub->regmap);
+ }
+
+ regcache_cache_only(ahub->regmap, true);
+
+ err = devm_snd_soc_register_component(&pdev->dev,
+ ahub->soc_data->cmpnt_drv,
+ ahub->soc_data->dai_drv,
+ ahub->soc_data->num_dais);
+ if (err) {
+ dev_err(&pdev->dev, "can't register AHUB component, err: %d\n",
+ err);
+ return err;
+ }
+
+ err = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
+ if (err)
+ return err;
+
+ pm_runtime_enable(&pdev->dev);
+
+ return 0;
+}
+
+static int tegra_ahub_remove(struct platform_device *pdev)
+{
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+}
+
+static const struct dev_pm_ops tegra_ahub_pm_ops = {
+ SET_RUNTIME_PM_OPS(tegra_ahub_runtime_suspend,
+ tegra_ahub_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+};
+
+static struct platform_driver tegra_ahub_driver = {
+ .probe = tegra_ahub_probe,
+ .remove = tegra_ahub_remove,
+ .driver = {
+ .name = "tegra210-ahub",
+ .of_match_table = tegra_ahub_of_match,
+ .pm = &tegra_ahub_pm_ops,
+ },
+};
+module_platform_driver(tegra_ahub_driver);
+
+MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
+MODULE_AUTHOR("Mohan Kumar <mkumard@nvidia.com>");
+MODULE_DESCRIPTION("Tegra210 ASoC AHUB driver");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 03:43:39 +0000