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authorMark Brown <broonie@kernel.org>2015-10-26 11:07:40 +0900
committerMark Brown <broonie@kernel.org>2015-10-26 11:07:40 +0900
commitce247b45a3289f88008c13ca26ccde0db5fea690 (patch)
tree3f02183a34c6bb6aa71f165334a89b9597823b4b /sound/soc/fsl
parent444c37aeee46db70ce01199863dc046fa68e88b7 (diff)
parentc64c60763b4e3c72a3520c8d51be858cd67bacb5 (diff)
Merge branch 'topic/fsl-mega-fast' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-fsl
Diffstat (limited to 'sound/soc/fsl')
-rw-r--r--sound/soc/fsl/fsl_esai.c88
-rw-r--r--sound/soc/fsl/fsl_sai.c33
-rw-r--r--sound/soc/fsl/fsl_spdif.c73
-rw-r--r--sound/soc/fsl/fsl_ssi.c102
4 files changed, 296 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index 837979ea5c92..aab675a9d3f1 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -652,6 +652,24 @@ static const struct snd_soc_component_driver fsl_esai_component = {
.name = "fsl-esai",
};
+static const struct reg_default fsl_esai_reg_defaults[] = {
+ {0x8, 0x00000000},
+ {0x10, 0x00000000},
+ {0x18, 0x00000000},
+ {0x98, 0x00000000},
+ {0xd0, 0x00000000},
+ {0xd4, 0x00000000},
+ {0xd8, 0x00000000},
+ {0xdc, 0x00000000},
+ {0xe0, 0x00000000},
+ {0xe4, 0x0000ffff},
+ {0xe8, 0x0000ffff},
+ {0xec, 0x0000ffff},
+ {0xf0, 0x0000ffff},
+ {0xf8, 0x00000000},
+ {0xfc, 0x00000000},
+};
+
static bool fsl_esai_readable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -684,6 +702,31 @@ static bool fsl_esai_readable_reg(struct device *dev, unsigned int reg)
}
}
+static bool fsl_esai_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case REG_ESAI_ETDR:
+ case REG_ESAI_ERDR:
+ case REG_ESAI_ESR:
+ case REG_ESAI_TFSR:
+ case REG_ESAI_RFSR:
+ case REG_ESAI_TX0:
+ case REG_ESAI_TX1:
+ case REG_ESAI_TX2:
+ case REG_ESAI_TX3:
+ case REG_ESAI_TX4:
+ case REG_ESAI_TX5:
+ case REG_ESAI_RX0:
+ case REG_ESAI_RX1:
+ case REG_ESAI_RX2:
+ case REG_ESAI_RX3:
+ case REG_ESAI_SAISR:
+ return true;
+ default:
+ return false;
+ }
+}
+
static bool fsl_esai_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -721,8 +764,12 @@ static const struct regmap_config fsl_esai_regmap_config = {
.val_bits = 32,
.max_register = REG_ESAI_PCRC,
+ .reg_defaults = fsl_esai_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(fsl_esai_reg_defaults),
.readable_reg = fsl_esai_readable_reg,
+ .volatile_reg = fsl_esai_volatile_reg,
.writeable_reg = fsl_esai_writeable_reg,
+ .cache_type = REGCACHE_RBTREE,
};
static int fsl_esai_probe(struct platform_device *pdev)
@@ -853,10 +900,51 @@ static const struct of_device_id fsl_esai_dt_ids[] = {
};
MODULE_DEVICE_TABLE(of, fsl_esai_dt_ids);
+#if CONFIG_PM_SLEEP
+static int fsl_esai_suspend(struct device *dev)
+{
+ struct fsl_esai *esai = dev_get_drvdata(dev);
+
+ regcache_cache_only(esai->regmap, true);
+ regcache_mark_dirty(esai->regmap);
+
+ return 0;
+}
+
+static int fsl_esai_resume(struct device *dev)
+{
+ struct fsl_esai *esai = dev_get_drvdata(dev);
+ int ret;
+
+ regcache_cache_only(esai->regmap, false);
+
+ /* FIFO reset for safety */
+ regmap_update_bits(esai->regmap, REG_ESAI_TFCR,
+ ESAI_xFCR_xFR, ESAI_xFCR_xFR);
+ regmap_update_bits(esai->regmap, REG_ESAI_RFCR,
+ ESAI_xFCR_xFR, ESAI_xFCR_xFR);
+
+ ret = regcache_sync(esai->regmap);
+ if (ret)
+ return ret;
+
+ /* FIFO reset done */
+ regmap_update_bits(esai->regmap, REG_ESAI_TFCR, ESAI_xFCR_xFR, 0);
+ regmap_update_bits(esai->regmap, REG_ESAI_RFCR, ESAI_xFCR_xFR, 0);
+
+ return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct dev_pm_ops fsl_esai_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(fsl_esai_suspend, fsl_esai_resume)
+};
+
static struct platform_driver fsl_esai_driver = {
.probe = fsl_esai_probe,
.driver = {
.name = "fsl-esai-dai",
+ .pm = &fsl_esai_pm_ops,
.of_match_table = fsl_esai_dt_ids,
},
};
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 2150f5aaba7a..38505f32ebe6 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -637,6 +637,8 @@ static bool fsl_sai_readable_reg(struct device *dev, unsigned int reg)
static bool fsl_sai_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
+ case FSL_SAI_TCSR:
+ case FSL_SAI_RCSR:
case FSL_SAI_TFR:
case FSL_SAI_RFR:
case FSL_SAI_TDR:
@@ -681,6 +683,7 @@ static const struct regmap_config fsl_sai_regmap_config = {
.readable_reg = fsl_sai_readable_reg,
.volatile_reg = fsl_sai_volatile_reg,
.writeable_reg = fsl_sai_writeable_reg,
+ .cache_type = REGCACHE_FLAT,
};
static int fsl_sai_probe(struct platform_device *pdev)
@@ -803,10 +806,40 @@ static const struct of_device_id fsl_sai_ids[] = {
};
MODULE_DEVICE_TABLE(of, fsl_sai_ids);
+#if CONFIG_PM_SLEEP
+static int fsl_sai_suspend(struct device *dev)
+{
+ struct fsl_sai *sai = dev_get_drvdata(dev);
+
+ regcache_cache_only(sai->regmap, true);
+ regcache_mark_dirty(sai->regmap);
+
+ return 0;
+}
+
+static int fsl_sai_resume(struct device *dev)
+{
+ struct fsl_sai *sai = dev_get_drvdata(dev);
+
+ regcache_cache_only(sai->regmap, false);
+ regmap_write(sai->regmap, FSL_SAI_TCSR, FSL_SAI_CSR_SR);
+ regmap_write(sai->regmap, FSL_SAI_RCSR, FSL_SAI_CSR_SR);
+ msleep(1);
+ regmap_write(sai->regmap, FSL_SAI_TCSR, 0);
+ regmap_write(sai->regmap, FSL_SAI_RCSR, 0);
+ return regcache_sync(sai->regmap);
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct dev_pm_ops fsl_sai_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(fsl_sai_suspend, fsl_sai_resume)
+};
+
static struct platform_driver fsl_sai_driver = {
.probe = fsl_sai_probe,
.driver = {
.name = "fsl-sai",
+ .pm = &fsl_sai_pm_ops,
.of_match_table = fsl_sai_ids,
},
};
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index ab729f2426fe..3d59bb6719f2 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -108,6 +108,8 @@ struct fsl_spdif_priv {
struct clk *sysclk;
struct snd_dmaengine_dai_dma_data dma_params_tx;
struct snd_dmaengine_dai_dma_data dma_params_rx;
+ /* regcache for SRPC */
+ u32 regcache_srpc;
};
/* DPLL locked and lock loss interrupt handler */
@@ -300,6 +302,8 @@ static int spdif_softreset(struct fsl_spdif_priv *spdif_priv)
struct regmap *regmap = spdif_priv->regmap;
u32 val, cycle = 1000;
+ regcache_cache_bypass(regmap, true);
+
regmap_write(regmap, REG_SPDIF_SCR, SCR_SOFT_RESET);
/*
@@ -310,6 +314,10 @@ static int spdif_softreset(struct fsl_spdif_priv *spdif_priv)
regmap_read(regmap, REG_SPDIF_SCR, &val);
} while ((val & SCR_SOFT_RESET) && cycle--);
+ regcache_cache_bypass(regmap, false);
+ regcache_mark_dirty(regmap);
+ regcache_sync(regmap);
+
if (cycle)
return 0;
else
@@ -997,6 +1005,14 @@ static const struct snd_soc_component_driver fsl_spdif_component = {
};
/* FSL SPDIF REGMAP */
+static const struct reg_default fsl_spdif_reg_defaults[] = {
+ {0x0, 0x00000400},
+ {0x4, 0x00000000},
+ {0xc, 0x00000000},
+ {0x34, 0x00000000},
+ {0x38, 0x00000000},
+ {0x50, 0x00020f00},
+};
static bool fsl_spdif_readable_reg(struct device *dev, unsigned int reg)
{
@@ -1022,6 +1038,26 @@ static bool fsl_spdif_readable_reg(struct device *dev, unsigned int reg)
}
}
+static bool fsl_spdif_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case REG_SPDIF_SRPC:
+ case REG_SPDIF_SIS:
+ case REG_SPDIF_SRL:
+ case REG_SPDIF_SRR:
+ case REG_SPDIF_SRCSH:
+ case REG_SPDIF_SRCSL:
+ case REG_SPDIF_SRU:
+ case REG_SPDIF_SRQ:
+ case REG_SPDIF_STL:
+ case REG_SPDIF_STR:
+ case REG_SPDIF_SRFM:
+ return true;
+ default:
+ return false;
+ }
+}
+
static bool fsl_spdif_writeable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -1047,8 +1083,12 @@ static const struct regmap_config fsl_spdif_regmap_config = {
.val_bits = 32,
.max_register = REG_SPDIF_STC,
+ .reg_defaults = fsl_spdif_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(fsl_spdif_reg_defaults),
.readable_reg = fsl_spdif_readable_reg,
+ .volatile_reg = fsl_spdif_volatile_reg,
.writeable_reg = fsl_spdif_writeable_reg,
+ .cache_type = REGCACHE_RBTREE,
};
static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,
@@ -1271,6 +1311,38 @@ static int fsl_spdif_probe(struct platform_device *pdev)
return ret;
}
+#ifdef CONFIG_PM_SLEEP
+static int fsl_spdif_suspend(struct device *dev)
+{
+ struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);
+
+ regmap_read(spdif_priv->regmap, REG_SPDIF_SRPC,
+ &spdif_priv->regcache_srpc);
+
+ regcache_cache_only(spdif_priv->regmap, true);
+ regcache_mark_dirty(spdif_priv->regmap);
+
+ return 0;
+}
+
+static int fsl_spdif_resume(struct device *dev)
+{
+ struct fsl_spdif_priv *spdif_priv = dev_get_drvdata(dev);
+
+ regcache_cache_only(spdif_priv->regmap, false);
+
+ regmap_update_bits(spdif_priv->regmap, REG_SPDIF_SRPC,
+ SRPC_CLKSRC_SEL_MASK | SRPC_GAINSEL_MASK,
+ spdif_priv->regcache_srpc);
+
+ return regcache_sync(spdif_priv->regmap);
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct dev_pm_ops fsl_spdif_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(fsl_spdif_suspend, fsl_spdif_resume)
+};
+
static const struct of_device_id fsl_spdif_dt_ids[] = {
{ .compatible = "fsl,imx35-spdif", },
{ .compatible = "fsl,vf610-spdif", },
@@ -1282,6 +1354,7 @@ static struct platform_driver fsl_spdif_driver = {
.driver = {
.name = "fsl-spdif-dai",
.of_match_table = fsl_spdif_dt_ids,
+ .pm = &fsl_spdif_pm,
},
.probe = fsl_spdif_probe,
};
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 8ec6fb208ea0..7c495d3d188a 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -111,12 +111,75 @@ struct fsl_ssi_rxtx_reg_val {
struct fsl_ssi_reg_val rx;
struct fsl_ssi_reg_val tx;
};
+
+static const struct reg_default fsl_ssi_reg_defaults[] = {
+ {0x10, 0x00000000},
+ {0x18, 0x00003003},
+ {0x1c, 0x00000200},
+ {0x20, 0x00000200},
+ {0x24, 0x00040000},
+ {0x28, 0x00040000},
+ {0x38, 0x00000000},
+ {0x48, 0x00000000},
+ {0x4c, 0x00000000},
+ {0x54, 0x00000000},
+ {0x58, 0x00000000},
+};
+
+static bool fsl_ssi_readable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CCSR_SSI_SACCEN:
+ case CCSR_SSI_SACCDIS:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool fsl_ssi_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CCSR_SSI_STX0:
+ case CCSR_SSI_STX1:
+ case CCSR_SSI_SRX0:
+ case CCSR_SSI_SRX1:
+ case CCSR_SSI_SISR:
+ case CCSR_SSI_SFCSR:
+ case CCSR_SSI_SACADD:
+ case CCSR_SSI_SACDAT:
+ case CCSR_SSI_SATAG:
+ case CCSR_SSI_SACCST:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool fsl_ssi_writeable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CCSR_SSI_SRX0:
+ case CCSR_SSI_SRX1:
+ case CCSR_SSI_SACCST:
+ return false;
+ default:
+ return true;
+ }
+}
+
static const struct regmap_config fsl_ssi_regconfig = {
.max_register = CCSR_SSI_SACCDIS,
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
.val_format_endian = REGMAP_ENDIAN_NATIVE,
+ .reg_defaults = fsl_ssi_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(fsl_ssi_reg_defaults),
+ .readable_reg = fsl_ssi_readable_reg,
+ .volatile_reg = fsl_ssi_volatile_reg,
+ .writeable_reg = fsl_ssi_writeable_reg,
+ .cache_type = REGCACHE_RBTREE,
};
struct fsl_ssi_soc_data {
@@ -176,6 +239,9 @@ struct fsl_ssi_private {
unsigned int baudclk_streams;
unsigned int bitclk_freq;
+ /*regcache for SFCSR*/
+ u32 regcache_sfcsr;
+
/* DMA params */
struct snd_dmaengine_dai_dma_data dma_params_tx;
struct snd_dmaengine_dai_dma_data dma_params_rx;
@@ -1513,10 +1579,46 @@ static int fsl_ssi_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int fsl_ssi_suspend(struct device *dev)
+{
+ struct fsl_ssi_private *ssi_private = dev_get_drvdata(dev);
+ struct regmap *regs = ssi_private->regs;
+
+ regmap_read(regs, CCSR_SSI_SFCSR,
+ &ssi_private->regcache_sfcsr);
+
+ regcache_cache_only(regs, true);
+ regcache_mark_dirty(regs);
+
+ return 0;
+}
+
+static int fsl_ssi_resume(struct device *dev)
+{
+ struct fsl_ssi_private *ssi_private = dev_get_drvdata(dev);
+ struct regmap *regs = ssi_private->regs;
+
+ regcache_cache_only(regs, false);
+
+ regmap_update_bits(regs, CCSR_SSI_SFCSR,
+ CCSR_SSI_SFCSR_RFWM1_MASK | CCSR_SSI_SFCSR_TFWM1_MASK |
+ CCSR_SSI_SFCSR_RFWM0_MASK | CCSR_SSI_SFCSR_TFWM0_MASK,
+ ssi_private->regcache_sfcsr);
+
+ return regcache_sync(regs);
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct dev_pm_ops fsl_ssi_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(fsl_ssi_suspend, fsl_ssi_resume)
+};
+
static struct platform_driver fsl_ssi_driver = {
.driver = {
.name = "fsl-ssi-dai",
.of_match_table = fsl_ssi_ids,
+ .pm = &fsl_ssi_pm,
},
.probe = fsl_ssi_probe,
.remove = fsl_ssi_remove,