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charset="utf-8" MICFIL IP is upgraded on i.MX93 platform. These new registers and new bit definition are added to complete the register list. Signed-off-by: Chancel Liu --- sound/soc/fsl/fsl_micfil.c | 6 ++++++ sound/soc/fsl/fsl_micfil.h | 28 ++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index 3f08082a55be..b15febf19c02 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -825,6 +825,9 @@ static bool fsl_micfil_readable_reg(struct device *dev,= unsigned int reg) case REG_MICFIL_DC_CTRL: case REG_MICFIL_OUT_CTRL: case REG_MICFIL_OUT_STAT: + case REG_MICFIL_FSYNC_CTRL: + case REG_MICFIL_VERID: + case REG_MICFIL_PARAM: case REG_MICFIL_VAD0_CTRL1: case REG_MICFIL_VAD0_CTRL2: case REG_MICFIL_VAD0_STAT: @@ -849,6 +852,7 @@ static bool fsl_micfil_writeable_reg(struct device *dev= , unsigned int reg) case REG_MICFIL_DC_CTRL: case REG_MICFIL_OUT_CTRL: case REG_MICFIL_OUT_STAT: /* Write 1 to Clear */ + case REG_MICFIL_FSYNC_CTRL: case REG_MICFIL_VAD0_CTRL1: case REG_MICFIL_VAD0_CTRL2: case REG_MICFIL_VAD0_STAT: /* Write 1 to Clear */ @@ -873,6 +877,8 @@ static bool fsl_micfil_volatile_reg(struct device *dev,= unsigned int reg) case REG_MICFIL_DATACH5: case REG_MICFIL_DATACH6: case REG_MICFIL_DATACH7: + case REG_MICFIL_VERID: + case REG_MICFIL_PARAM: case REG_MICFIL_VAD0_STAT: case REG_MICFIL_VAD0_NDATA: return true; diff --git a/sound/soc/fsl/fsl_micfil.h b/sound/soc/fsl/fsl_micfil.h index 9237a1c4cb8f..b3c392ef5daf 100644 --- a/sound/soc/fsl/fsl_micfil.h +++ b/sound/soc/fsl/fsl_micfil.h @@ -24,6 +24,9 @@ #define REG_MICFIL_DC_CTRL 0x64 #define REG_MICFIL_OUT_CTRL 0x74 #define REG_MICFIL_OUT_STAT 0x7C +#define REG_MICFIL_FSYNC_CTRL 0x80 +#define REG_MICFIL_VERID 0x84 +#define REG_MICFIL_PARAM 0x88 #define REG_MICFIL_VAD0_CTRL1 0x90 #define REG_MICFIL_VAD0_CTRL2 0x94 #define REG_MICFIL_VAD0_STAT 0x98 @@ -39,6 +42,8 @@ #define MICFIL_CTRL1_DBG BIT(28) #define MICFIL_CTRL1_SRES BIT(27) #define MICFIL_CTRL1_DBGE BIT(26) +#define MICFIL_CTRL1_DECFILS BIT(20) +#define MICFIL_CTRL1_FSYNCEN BIT(16) =20 #define MICFIL_CTRL1_DISEL_DISABLE 0 #define MICFIL_CTRL1_DISEL_DMA 1 @@ -82,6 +87,29 @@ #define MICFIL_DC_CUTOFF_152Hz 2 #define MICFIL_DC_BYPASS 3 =20 +/* MICFIL VERID Register -- REG_MICFIL_VERID */ +#define MICFIL_VERID_MAJOR_SHIFT 24 +#define MICFIL_VERID_MAJOR_MASK GENMASK(31, 24) +#define MICFIL_VERID_MINOR_SHIFT 16 +#define MICFIL_VERID_MINOR_MASK GENMASK(23, 16) +#define MICFIL_VERID_FEATURE_SHIFT 0 +#define MICFIL_VERID_FEATURE_MASK GENMASK(15, 0) + +/* MICFIL PARAM Register -- REG_MICFIL_PARAM */ +#define MICFIL_PARAM_NUM_HWVAD_SHIFT 24 +#define MICFIL_PARAM_NUM_HWVAD_MASK GENMASK(27, 24) +#define MICFIL_PARAM_HWVAD_ZCD BIT(19) +#define MICFIL_PARAM_HWVAD_ENERGY_MODE BIT(17) +#define MICFIL_PARAM_HWVAD BIT(16) +#define MICFIL_PARAM_DC_OUT_BYPASS BIT(11) +#define MICFIL_PARAM_DC_IN_BYPASS BIT(10) +#define MICFIL_PARAM_LOW_POWER BIT(9) +#define MICFIL_PARAM_FIL_OUT_WIDTH BIT(8) +#define MICFIL_PARAM_FIFO_PTRWID_SHIFT 4 +#define MICFIL_PARAM_FIFO_PTRWID_MASK GENMASK(7, 4) +#define MICFIL_PARAM_NPAIR_SHIFT 0 +#define MICFIL_PARAM_NPAIR_MASK GENMASK(3, 0) + /* MICFIL HWVAD0 Control 1 Register -- REG_MICFIL_VAD0_CTRL1*/ #define MICFIL_VAD0_CTRL1_CHSEL GENMASK(26, 24) #define MICFIL_VAD0_CTRL1_CICOSR GENMASK(19, 16) --=20 2.25.1 From nobody Sun Feb 8 09:37:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5BF83C0015E for ; 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charset="utf-8" fsl_micfil_check_version can help to parse the version info in VERID and PARAM registers. Since the two registers are added only on i.MX93 platform, a member flag called check_version is introduced to soc data structure which indicates need to check version. Signed-off-by: Chancel Liu --- sound/soc/fsl/fsl_micfil.c | 76 +++++++++++++++++++++++++++++++++++++- sound/soc/fsl/fsl_micfil.h | 36 ++++++++++++++++++ 2 files changed, 110 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index b15febf19c02..46eda6e8c4b6 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -56,6 +56,8 @@ struct fsl_micfil { int vad_init_mode; int vad_enabled; int vad_detected; + struct fsl_micfil_verid verid; + struct fsl_micfil_param param; }; =20 struct fsl_micfil_soc_data { @@ -64,6 +66,7 @@ struct fsl_micfil_soc_data { unsigned int dataline; bool imx; bool use_edma; + bool check_version; u64 formats; }; =20 @@ -90,6 +93,7 @@ static struct fsl_micfil_soc_data fsl_micfil_imx93 =3D { .dataline =3D 0xf, .formats =3D SNDRV_PCM_FMTBIT_S32_LE, .use_edma =3D true, + .check_version =3D true, }; =20 static const struct of_device_id fsl_micfil_dt_ids[] =3D { @@ -356,6 +360,49 @@ static const struct snd_kcontrol_new fsl_micfil_snd_co= ntrols[] =3D { SOC_SINGLE_BOOL_EXT("VAD Detected", 0, hwvad_detected, NULL), }; =20 +static int fsl_micfil_check_version(struct device *dev) +{ + struct fsl_micfil *micfil =3D dev_get_drvdata(dev); + unsigned int val; + int ret; + + if (!micfil->soc->check_version) + return 0; + + ret =3D regmap_read(micfil->regmap, REG_MICFIL_VERID, &val); + if (ret < 0) + return ret; + + dev_dbg(dev, "VERID: 0x%016X\n", val); + + micfil->verid.version =3D val & + (MICFIL_VERID_MAJOR_MASK | MICFIL_VERID_MINOR_MASK); + micfil->verid.version >>=3D MICFIL_VERID_MINOR_SHIFT; + micfil->verid.feature =3D val & MICFIL_VERID_FEATURE_MASK; + + ret =3D regmap_read(micfil->regmap, REG_MICFIL_PARAM, &val); + if (ret < 0) + return ret; + + dev_dbg(dev, "PARAM: 0x%016X\n", val); + + micfil->param.hwvad_num =3D (val & MICFIL_PARAM_NUM_HWVAD_MASK) >> + MICFIL_PARAM_NUM_HWVAD_SHIFT; + micfil->param.hwvad_zcd =3D val & MICFIL_PARAM_HWVAD_ZCD; + micfil->param.hwvad_energy_mode =3D val & MICFIL_PARAM_HWVAD_ENERGY_MODE; + micfil->param.hwvad =3D val & MICFIL_PARAM_HWVAD; + micfil->param.dc_out_bypass =3D val & MICFIL_PARAM_DC_OUT_BYPASS; + micfil->param.dc_in_bypass =3D val & MICFIL_PARAM_DC_IN_BYPASS; + micfil->param.low_power =3D val & MICFIL_PARAM_LOW_POWER; + micfil->param.fil_out_width =3D val & MICFIL_PARAM_FIL_OUT_WIDTH; + micfil->param.fifo_ptrwid =3D (val & MICFIL_PARAM_FIFO_PTRWID_MASK) >> + MICFIL_PARAM_FIFO_PTRWID_SHIFT; + micfil->param.npair =3D (val & MICFIL_PARAM_NPAIR_MASK) >> + MICFIL_PARAM_NPAIR_SHIFT; + + return 0; +} + /* The SRES is a self-negated bit which provides the CPU with the * capability to initialize the PDM Interface module through the * slave-bus interface. This bit always reads as zero, and this @@ -1037,6 +1084,9 @@ static irqreturn_t hwvad_err_isr(int irq, void *devid) return IRQ_HANDLED; } =20 +static int fsl_micfil_runtime_suspend(struct device *dev); +static int fsl_micfil_runtime_resume(struct device *dev); + static int fsl_micfil_probe(struct platform_device *pdev) { struct device_node *np =3D pdev->dev.of_node; @@ -1156,6 +1206,25 @@ static int fsl_micfil_probe(struct platform_device *= pdev) platform_set_drvdata(pdev, micfil); =20 pm_runtime_enable(&pdev->dev); + if (!pm_runtime_enabled(&pdev->dev)) { + ret =3D fsl_micfil_runtime_resume(&pdev->dev); + if (ret) + goto err_pm_disable; + } + + ret =3D pm_runtime_resume_and_get(&pdev->dev); + if (ret < 0) + goto err_pm_get_sync; + + /* Get micfil version */ + ret =3D fsl_micfil_check_version(&pdev->dev); + if (ret < 0) + dev_warn(&pdev->dev, "Error reading MICFIL version: %d\n", ret); + + ret =3D pm_runtime_put_sync(&pdev->dev); + if (ret < 0 && ret !=3D -ENOSYS) + goto err_pm_get_sync; + regcache_cache_only(micfil->regmap, true); =20 /* @@ -1180,6 +1249,9 @@ static int fsl_micfil_probe(struct platform_device *p= dev) =20 return ret; =20 +err_pm_get_sync: + if (!pm_runtime_status_suspended(&pdev->dev)) + fsl_micfil_runtime_suspend(&pdev->dev); err_pm_disable: pm_runtime_disable(&pdev->dev); =20 @@ -1191,7 +1263,7 @@ static void fsl_micfil_remove(struct platform_device = *pdev) pm_runtime_disable(&pdev->dev); } =20 -static int __maybe_unused fsl_micfil_runtime_suspend(struct device *dev) +static int fsl_micfil_runtime_suspend(struct device *dev) { struct fsl_micfil *micfil =3D dev_get_drvdata(dev); =20 @@ -1203,7 +1275,7 @@ static int __maybe_unused fsl_micfil_runtime_suspend(= struct device *dev) return 0; } =20 -static int __maybe_unused fsl_micfil_runtime_resume(struct device *dev) +static int fsl_micfil_runtime_resume(struct device *dev) { struct fsl_micfil *micfil =3D dev_get_drvdata(dev); int ret; diff --git a/sound/soc/fsl/fsl_micfil.h b/sound/soc/fsl/fsl_micfil.h index b3c392ef5daf..231a52aff024 100644 --- a/sound/soc/fsl/fsl_micfil.h +++ b/sound/soc/fsl/fsl_micfil.h @@ -174,4 +174,40 @@ #define MICFIL_HWVAD_ENVELOPE_MODE 0 #define MICFIL_HWVAD_ENERGY_MODE 1 =20 +/** + * struct fsl_micfil_verid - version id data + * @version: version number + * @feature: feature specification number + */ +struct fsl_micfil_verid { + u32 version; + u32 feature; +}; + +/** + * struct fsl_micfil_param - parameter data + * @hwvad_num: the number of HWVADs + * @hwvad_zcd: HWVAD zero-cross detector is active + * @hwvad_energy_mode: HWVAD energy mode is active + * @hwvad: HWVAD is active + * @dc_out_bypass: points out if the output DC remover is disabled + * @dc_in_bypass: points out if the input DC remover is disabled + * @low_power: low power decimation filter + * @fil_out_width: filter output width + * @fifo_ptrwid: FIFO pointer width + * @npair: number of microphone pairs + */ +struct fsl_micfil_param { + u32 hwvad_num; + bool hwvad_zcd; + bool hwvad_energy_mode; + bool hwvad; + bool dc_out_bypass; + bool dc_in_bypass; + bool low_power; + bool fil_out_width; + u32 fifo_ptrwid; + u32 npair; +}; + #endif /* _FSL_MICFIL_H */ --=20 2.25.1 From nobody Sun Feb 8 09:37:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC50EC0015E for ; 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charset="utf-8" Use SET_SYSTEM_SLEEP_PM_OPS to simplify suspend and resume function. fsl_micfil_suspend() and fsl_micfil_resume() can be deleted. Signed-off-by: Chancel Liu --- sound/soc/fsl/fsl_micfil.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index 46eda6e8c4b6..6f5f8a886764 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -1297,26 +1297,12 @@ static int fsl_micfil_runtime_resume(struct device = *dev) return 0; } =20 -static int __maybe_unused fsl_micfil_suspend(struct device *dev) -{ - pm_runtime_force_suspend(dev); - - return 0; -} - -static int __maybe_unused fsl_micfil_resume(struct device *dev) -{ - pm_runtime_force_resume(dev); - - return 0; -} - static const struct dev_pm_ops fsl_micfil_pm_ops =3D { SET_RUNTIME_PM_OPS(fsl_micfil_runtime_suspend, fsl_micfil_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(fsl_micfil_suspend, - fsl_micfil_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) }; =20 static struct platform_driver fsl_micfil_driver =3D { --=20 2.25.1