diff options
Diffstat (limited to 'sound/soc/tegra/tegra210_ahub.c')
| -rw-r--r-- | sound/soc/tegra/tegra210_ahub.c | 676 |
1 files changed, 676 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra210_ahub.c b/sound/soc/tegra/tegra210_ahub.c new file mode 100644 index 000000000000..5123a96fdde8 --- /dev/null +++ b/sound/soc/tegra/tegra210_ahub.c @@ -0,0 +1,676 @@ +// 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; + + 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)) + snd_soc_dapm_mux_update_power(dapm, kctl, item[0], e, + &update[i]); + } + + return 0; +} + +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 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 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"); |