diff options
| -rw-r--r-- | sound/soc/fsl/fsl_asrc.c | 7 | ||||
| -rw-r--r-- | sound/soc/fsl/fsl_asrc.h | 7 | ||||
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 24 |
3 files changed, 37 insertions, 1 deletions
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index dd1263b95dc7..c1a0e01cb8e7 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -996,6 +996,9 @@ static int fsl_asrc_suspend(struct device *dev) { struct fsl_asrc *asrc_priv = dev_get_drvdata(dev); + regmap_read(asrc_priv->regmap, REG_ASRCFG, + &asrc_priv->regcache_cfg); + regcache_cache_only(asrc_priv->regmap, true); regcache_mark_dirty(asrc_priv->regmap); @@ -1016,6 +1019,10 @@ static int fsl_asrc_resume(struct device *dev) regcache_cache_only(asrc_priv->regmap, false); regcache_sync(asrc_priv->regmap); + regmap_update_bits(asrc_priv->regmap, REG_ASRCFG, + ASRCFG_NDPRi_ALL_MASK | ASRCFG_POSTMODi_ALL_MASK | + ASRCFG_PREMODi_ALL_MASK, asrc_priv->regcache_cfg); + /* Restart enabled pairs */ regmap_update_bits(asrc_priv->regmap, REG_ASRCTR, ASRCTR_ASRCEi_ALL_MASK, asrctr); diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h index 68802cdc3f28..0f163abe4ba3 100644 --- a/sound/soc/fsl/fsl_asrc.h +++ b/sound/soc/fsl/fsl_asrc.h @@ -132,10 +132,13 @@ #define ASRCFG_INIRQi (1 << ASRCFG_INIRQi_SHIFT(i)) #define ASRCFG_NDPRi_SHIFT(i) (18 + i) #define ASRCFG_NDPRi_MASK(i) (1 << ASRCFG_NDPRi_SHIFT(i)) +#define ASRCFG_NDPRi_ALL_SHIFT 18 +#define ASRCFG_NDPRi_ALL_MASK (7 << ASRCFG_NDPRi_ALL_SHIFT) #define ASRCFG_NDPRi (1 << ASRCFG_NDPRi_SHIFT(i)) #define ASRCFG_POSTMODi_SHIFT(i) (8 + (i << 2)) #define ASRCFG_POSTMODi_WIDTH 2 #define ASRCFG_POSTMODi_MASK(i) (((1 << ASRCFG_POSTMODi_WIDTH) - 1) << ASRCFG_POSTMODi_SHIFT(i)) +#define ASRCFG_POSTMODi_ALL_MASK (ASRCFG_POSTMODi_MASK(0) | ASRCFG_POSTMODi_MASK(1) | ASRCFG_POSTMODi_MASK(2)) #define ASRCFG_POSTMOD(i, v) ((v) << ASRCFG_POSTMODi_SHIFT(i)) #define ASRCFG_POSTMODi_UP(i) (0 << ASRCFG_POSTMODi_SHIFT(i)) #define ASRCFG_POSTMODi_DCON(i) (1 << ASRCFG_POSTMODi_SHIFT(i)) @@ -143,6 +146,7 @@ #define ASRCFG_PREMODi_SHIFT(i) (6 + (i << 2)) #define ASRCFG_PREMODi_WIDTH 2 #define ASRCFG_PREMODi_MASK(i) (((1 << ASRCFG_PREMODi_WIDTH) - 1) << ASRCFG_PREMODi_SHIFT(i)) +#define ASRCFG_PREMODi_ALL_MASK (ASRCFG_PREMODi_MASK(0) | ASRCFG_PREMODi_MASK(1) | ASRCFG_PREMODi_MASK(2)) #define ASRCFG_PREMOD(i, v) ((v) << ASRCFG_PREMODi_SHIFT(i)) #define ASRCFG_PREMODi_UP(i) (0 << ASRCFG_PREMODi_SHIFT(i)) #define ASRCFG_PREMODi_DCON(i) (1 << ASRCFG_PREMODi_SHIFT(i)) @@ -434,6 +438,7 @@ struct fsl_asrc_pair { * @channel_avail: non-occupied channel numbers * @asrc_rate: default sample rate for ASoC Back-Ends * @asrc_width: default sample width for ASoC Back-Ends + * @regcache_cfg: store register value of REG_ASRCFG */ struct fsl_asrc { struct snd_dmaengine_dai_dma_data dma_params_rx; @@ -453,6 +458,8 @@ struct fsl_asrc { int asrc_rate; int asrc_width; + + u32 regcache_cfg; }; extern struct snd_soc_platform_driver fsl_asrc_platform; diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index e3abad5f980a..40dfd8a36484 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -146,6 +146,7 @@ static bool fsl_ssi_volatile_reg(struct device *dev, unsigned int reg) case CCSR_SSI_SRX1: case CCSR_SSI_SISR: case CCSR_SSI_SFCSR: + case CCSR_SSI_SACNT: case CCSR_SSI_SACADD: case CCSR_SSI_SACDAT: case CCSR_SSI_SATAG: @@ -156,6 +157,21 @@ static bool fsl_ssi_volatile_reg(struct device *dev, unsigned int reg) } } +static bool fsl_ssi_precious_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CCSR_SSI_SRX0: + case CCSR_SSI_SRX1: + case CCSR_SSI_SISR: + case CCSR_SSI_SACADD: + case CCSR_SSI_SACDAT: + case CCSR_SSI_SATAG: + return true; + default: + return false; + } +} + static bool fsl_ssi_writeable_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -178,6 +194,7 @@ static const struct regmap_config fsl_ssi_regconfig = { .num_reg_defaults = ARRAY_SIZE(fsl_ssi_reg_defaults), .readable_reg = fsl_ssi_readable_reg, .volatile_reg = fsl_ssi_volatile_reg, + .precious_reg = fsl_ssi_precious_reg, .writeable_reg = fsl_ssi_writeable_reg, .cache_type = REGCACHE_RBTREE, }; @@ -239,8 +256,9 @@ struct fsl_ssi_private { unsigned int baudclk_streams; unsigned int bitclk_freq; - /*regcache for SFCSR*/ + /* regcache for volatile regs */ u32 regcache_sfcsr; + u32 regcache_sacnt; /* DMA params */ struct snd_dmaengine_dai_dma_data dma_params_tx; @@ -1587,6 +1605,8 @@ static int fsl_ssi_suspend(struct device *dev) regmap_read(regs, CCSR_SSI_SFCSR, &ssi_private->regcache_sfcsr); + regmap_read(regs, CCSR_SSI_SACNT, + &ssi_private->regcache_sacnt); regcache_cache_only(regs, true); regcache_mark_dirty(regs); @@ -1605,6 +1625,8 @@ static int fsl_ssi_resume(struct device *dev) CCSR_SSI_SFCSR_RFWM1_MASK | CCSR_SSI_SFCSR_TFWM1_MASK | CCSR_SSI_SFCSR_RFWM0_MASK | CCSR_SSI_SFCSR_TFWM0_MASK, ssi_private->regcache_sfcsr); + regmap_write(regs, CCSR_SSI_SACNT, + ssi_private->regcache_sacnt); return regcache_sync(regs); } |