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Diffstat (limited to 'sound/soc/tegra/tegra30_ahub.c')
-rw-r--r--sound/soc/tegra/tegra30_ahub.c119
1 files changed, 103 insertions, 16 deletions
diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c
index d554d46d08b5..31154338c1eb 100644
--- a/sound/soc/tegra/tegra30_ahub.c
+++ b/sound/soc/tegra/tegra30_ahub.c
@@ -100,6 +100,7 @@ int tegra30_ahub_allocate_rx_fifo(enum tegra30_ahub_rxcif *rxcif,
{
int channel;
u32 reg, val;
+ struct tegra30_ahub_cif_conf cif_conf;
channel = find_first_zero_bit(ahub->rx_usage,
TEGRA30_AHUB_CHANNEL_CTRL_COUNT);
@@ -123,15 +124,21 @@ int tegra30_ahub_allocate_rx_fifo(enum tegra30_ahub_rxcif *rxcif,
TEGRA30_AHUB_CHANNEL_CTRL_RX_PACK_16;
tegra30_apbif_write(reg, val);
+ cif_conf.threshold = 0;
+ cif_conf.audio_channels = 2;
+ cif_conf.client_channels = 2;
+ cif_conf.audio_bits = TEGRA30_AUDIOCIF_BITS_16;
+ cif_conf.client_bits = TEGRA30_AUDIOCIF_BITS_16;
+ cif_conf.expand = 0;
+ cif_conf.stereo_conv = 0;
+ cif_conf.replicate = 0;
+ cif_conf.direction = TEGRA30_AUDIOCIF_DIRECTION_RX;
+ cif_conf.truncate = 0;
+ cif_conf.mono_conv = 0;
+
reg = TEGRA30_AHUB_CIF_RX_CTRL +
(channel * TEGRA30_AHUB_CIF_RX_CTRL_STRIDE);
- val = (0 << TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT) |
- (1 << TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT) |
- (1 << TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT) |
- TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_16 |
- TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_16 |
- TEGRA30_AUDIOCIF_CTRL_DIRECTION_RX;
- tegra30_apbif_write(reg, val);
+ ahub->soc_data->set_audio_cif(ahub->regmap_apbif, reg, &cif_conf);
return 0;
}
@@ -183,6 +190,7 @@ int tegra30_ahub_allocate_tx_fifo(enum tegra30_ahub_txcif *txcif,
{
int channel;
u32 reg, val;
+ struct tegra30_ahub_cif_conf cif_conf;
channel = find_first_zero_bit(ahub->tx_usage,
TEGRA30_AHUB_CHANNEL_CTRL_COUNT);
@@ -206,15 +214,21 @@ int tegra30_ahub_allocate_tx_fifo(enum tegra30_ahub_txcif *txcif,
TEGRA30_AHUB_CHANNEL_CTRL_TX_PACK_16;
tegra30_apbif_write(reg, val);
+ cif_conf.threshold = 0;
+ cif_conf.audio_channels = 2;
+ cif_conf.client_channels = 2;
+ cif_conf.audio_bits = TEGRA30_AUDIOCIF_BITS_16;
+ cif_conf.client_bits = TEGRA30_AUDIOCIF_BITS_16;
+ cif_conf.expand = 0;
+ cif_conf.stereo_conv = 0;
+ cif_conf.replicate = 0;
+ cif_conf.direction = TEGRA30_AUDIOCIF_DIRECTION_TX;
+ cif_conf.truncate = 0;
+ cif_conf.mono_conv = 0;
+
reg = TEGRA30_AHUB_CIF_TX_CTRL +
(channel * TEGRA30_AHUB_CIF_TX_CTRL_STRIDE);
- val = (0 << TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT) |
- (1 << TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT) |
- (1 << TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT) |
- TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_16 |
- TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_16 |
- TEGRA30_AUDIOCIF_CTRL_DIRECTION_TX;
- tegra30_apbif_write(reg, val);
+ ahub->soc_data->set_audio_cif(ahub->regmap_apbif, reg, &cif_conf);
return 0;
}
@@ -346,7 +360,7 @@ static bool tegra30_ahub_apbif_wr_rd_reg(struct device *dev, unsigned int reg)
return true;
default:
break;
- };
+ }
if (REG_IN_ARRAY(reg, CHANNEL_CTRL) ||
REG_IN_ARRAY(reg, CHANNEL_CLEAR) ||
@@ -381,7 +395,7 @@ static bool tegra30_ahub_apbif_volatile_reg(struct device *dev,
return true;
default:
break;
- };
+ }
if (REG_IN_ARRAY(reg, CHANNEL_CLEAR) ||
REG_IN_ARRAY(reg, CHANNEL_STATUS) ||
@@ -437,13 +451,21 @@ static const struct regmap_config tegra30_ahub_ahub_regmap_config = {
static struct tegra30_ahub_soc_data soc_data_tegra30 = {
.clk_list_mask = CLK_LIST_MASK_TEGRA30,
+ .set_audio_cif = tegra30_ahub_set_cif,
};
static struct tegra30_ahub_soc_data soc_data_tegra114 = {
.clk_list_mask = CLK_LIST_MASK_TEGRA114,
+ .set_audio_cif = tegra30_ahub_set_cif,
+};
+
+static struct tegra30_ahub_soc_data soc_data_tegra124 = {
+ .clk_list_mask = CLK_LIST_MASK_TEGRA114,
+ .set_audio_cif = tegra124_ahub_set_cif,
};
static const struct of_device_id tegra30_ahub_of_match[] = {
+ { .compatible = "nvidia,tegra124-ahub", .data = &soc_data_tegra124 },
{ .compatible = "nvidia,tegra114-ahub", .data = &soc_data_tegra114 },
{ .compatible = "nvidia,tegra30-ahub", .data = &soc_data_tegra30 },
{},
@@ -497,6 +519,7 @@ static int tegra30_ahub_probe(struct platform_device *pdev)
}
dev_set_drvdata(&pdev->dev, ahub);
+ ahub->soc_data = soc_data;
ahub->dev = &pdev->dev;
ahub->clk_d_audio = clk_get(&pdev->dev, "d_audio");
@@ -669,6 +692,70 @@ static struct platform_driver tegra30_ahub_driver = {
};
module_platform_driver(tegra30_ahub_driver);
+void tegra30_ahub_set_cif(struct regmap *regmap, unsigned int reg,
+ struct tegra30_ahub_cif_conf *conf)
+{
+ unsigned int value;
+
+ value = (conf->threshold <<
+ TEGRA30_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT) |
+ ((conf->audio_channels - 1) <<
+ TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT) |
+ ((conf->client_channels - 1) <<
+ TEGRA30_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT) |
+ (conf->audio_bits <<
+ TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) |
+ (conf->client_bits <<
+ TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) |
+ (conf->expand <<
+ TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) |
+ (conf->stereo_conv <<
+ TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) |
+ (conf->replicate <<
+ TEGRA30_AUDIOCIF_CTRL_REPLICATE_SHIFT) |
+ (conf->direction <<
+ TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) |
+ (conf->truncate <<
+ TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) |
+ (conf->mono_conv <<
+ TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT);
+
+ regmap_write(regmap, reg, value);
+}
+EXPORT_SYMBOL_GPL(tegra30_ahub_set_cif);
+
+void tegra124_ahub_set_cif(struct regmap *regmap, unsigned int reg,
+ struct tegra30_ahub_cif_conf *conf)
+{
+ unsigned int value;
+
+ value = (conf->threshold <<
+ TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT) |
+ ((conf->audio_channels - 1) <<
+ TEGRA124_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT) |
+ ((conf->client_channels - 1) <<
+ TEGRA124_AUDIOCIF_CTRL_CLIENT_CHANNELS_SHIFT) |
+ (conf->audio_bits <<
+ TEGRA30_AUDIOCIF_CTRL_AUDIO_BITS_SHIFT) |
+ (conf->client_bits <<
+ TEGRA30_AUDIOCIF_CTRL_CLIENT_BITS_SHIFT) |
+ (conf->expand <<
+ TEGRA30_AUDIOCIF_CTRL_EXPAND_SHIFT) |
+ (conf->stereo_conv <<
+ TEGRA30_AUDIOCIF_CTRL_STEREO_CONV_SHIFT) |
+ (conf->replicate <<
+ TEGRA30_AUDIOCIF_CTRL_REPLICATE_SHIFT) |
+ (conf->direction <<
+ TEGRA30_AUDIOCIF_CTRL_DIRECTION_SHIFT) |
+ (conf->truncate <<
+ TEGRA30_AUDIOCIF_CTRL_TRUNCATE_SHIFT) |
+ (conf->mono_conv <<
+ TEGRA30_AUDIOCIF_CTRL_MONO_CONV_SHIFT);
+
+ regmap_write(regmap, reg, value);
+}
+EXPORT_SYMBOL_GPL(tegra124_ahub_set_cif);
+
MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
MODULE_DESCRIPTION("Tegra30 AHUB driver");
MODULE_LICENSE("GPL v2");