Add soc specific data struct fsl_mqs_soc_data, move the definition of control register, each function bits to it, then the code can be simplified.

Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com --- sound/soc/fsl/fsl_mqs.c | 119 ++++++++++++++++++++++++---------------- 1 file changed, 71 insertions(+), 48 deletions(-)

diff --git a/sound/soc/fsl/fsl_mqs.c b/sound/soc/fsl/fsl_mqs.c index ceaecbe3a25e..8a8d727319d6 100644 --- a/sound/soc/fsl/fsl_mqs.c +++ b/sound/soc/fsl/fsl_mqs.c @@ -10,6 +10,7 @@ #include <linux/moduleparam.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> +#include <linux/of_device.h> #include <linux/pm_runtime.h> #include <linux/of.h> #include <linux/pm.h> @@ -29,15 +30,41 @@ #define MQS_CLK_DIV_MASK (0xFF << 0) #define MQS_CLK_DIV_SHIFT (0)

+/** + * struct fsl_mqs_soc_data - soc specific data + * + * @use_gpr: control register is in General Purpose Register group + * @ctrl_off: control register offset + * @en_mask: enable bit mask + * @en_shift: enable bit shift + * @rst_mask: reset bit mask + * @rst_shift: reset bit shift + * @osr_mask: oversample bit mask + * @osr_shift: oversample bit shift + * @div_mask: clock divider mask + * @div_shift: clock divider bit shift + */ +struct fsl_mqs_soc_data { + bool use_gpr; + int ctrl_off; + int en_mask; + int en_shift; + int rst_mask; + int rst_shift; + int osr_mask; + int osr_shift; + int div_mask; + int div_shift; +}; + /* codec private data */ struct fsl_mqs { struct regmap *regmap; struct clk *mclk; struct clk *ipg; + const struct fsl_mqs_soc_data *soc;

- unsigned int reg_iomuxc_gpr2; unsigned int reg_mqs_ctrl; - bool use_gpr; };

#define FSL_MQS_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) @@ -65,19 +92,11 @@ static int fsl_mqs_hw_params(struct snd_pcm_substream *substream, res = mclk_rate % (32 * lrclk * 2 * 8);

if (res == 0 && div > 0 && div <= 256) { - if (mqs_priv->use_gpr) { - regmap_update_bits(mqs_priv->regmap, IOMUXC_GPR2, - IMX6SX_GPR2_MQS_CLK_DIV_MASK, - (div - 1) << IMX6SX_GPR2_MQS_CLK_DIV_SHIFT); - regmap_update_bits(mqs_priv->regmap, IOMUXC_GPR2, - IMX6SX_GPR2_MQS_OVERSAMPLE_MASK, 0); - } else { - regmap_update_bits(mqs_priv->regmap, REG_MQS_CTRL, - MQS_CLK_DIV_MASK, - (div - 1) << MQS_CLK_DIV_SHIFT); - regmap_update_bits(mqs_priv->regmap, REG_MQS_CTRL, - MQS_OVERSAMPLE_MASK, 0); - } + regmap_update_bits(mqs_priv->regmap, mqs_priv->soc->ctrl_off, + mqs_priv->soc->div_mask, + (div - 1) << mqs_priv->soc->div_shift); + regmap_update_bits(mqs_priv->regmap, mqs_priv->soc->ctrl_off, + mqs_priv->soc->osr_mask, 0); } else { dev_err(component->dev, "can't get proper divider\n"); } @@ -118,14 +137,9 @@ static int fsl_mqs_startup(struct snd_pcm_substream *substream, struct snd_soc_component *component = dai->component; struct fsl_mqs *mqs_priv = snd_soc_component_get_drvdata(component);

- if (mqs_priv->use_gpr) - regmap_update_bits(mqs_priv->regmap, IOMUXC_GPR2, - IMX6SX_GPR2_MQS_EN_MASK, - 1 << IMX6SX_GPR2_MQS_EN_SHIFT); - else - regmap_update_bits(mqs_priv->regmap, REG_MQS_CTRL, - MQS_EN_MASK, - 1 << MQS_EN_SHIFT); + regmap_update_bits(mqs_priv->regmap, mqs_priv->soc->ctrl_off, + mqs_priv->soc->en_mask, + 1 << mqs_priv->soc->en_shift); return 0; }

@@ -135,12 +149,8 @@ static void fsl_mqs_shutdown(struct snd_pcm_substream *substream, struct snd_soc_component *component = dai->component; struct fsl_mqs *mqs_priv = snd_soc_component_get_drvdata(component);

- if (mqs_priv->use_gpr) - regmap_update_bits(mqs_priv->regmap, IOMUXC_GPR2, - IMX6SX_GPR2_MQS_EN_MASK, 0); - else - regmap_update_bits(mqs_priv->regmap, REG_MQS_CTRL, - MQS_EN_MASK, 0); + regmap_update_bits(mqs_priv->regmap, mqs_priv->soc->ctrl_off, + mqs_priv->soc->en_mask, 0); }

static const struct snd_soc_component_driver soc_codec_fsl_mqs = { @@ -191,12 +201,9 @@ static int fsl_mqs_probe(struct platform_device *pdev) * But in i.MX8QM/i.MX8QXP the control register is moved * to its own domain. */ - if (of_device_is_compatible(np, "fsl,imx8qm-mqs")) - mqs_priv->use_gpr = false; - else - mqs_priv->use_gpr = true; + mqs_priv->soc = of_device_get_match_data(&pdev->dev);

- if (mqs_priv->use_gpr) { + if (mqs_priv->soc->use_gpr) { gpr_np = of_parse_phandle(np, "gpr", 0); if (!gpr_np) { dev_err(&pdev->dev, "failed to get gpr node by phandle\n"); @@ -280,12 +287,7 @@ static int fsl_mqs_runtime_resume(struct device *dev) return ret; }

- if (mqs_priv->use_gpr) - regmap_write(mqs_priv->regmap, IOMUXC_GPR2, - mqs_priv->reg_iomuxc_gpr2); - else - regmap_write(mqs_priv->regmap, REG_MQS_CTRL, - mqs_priv->reg_mqs_ctrl); + regmap_write(mqs_priv->regmap, mqs_priv->soc->ctrl_off, mqs_priv->reg_mqs_ctrl); return 0; }

@@ -293,12 +295,7 @@ static int fsl_mqs_runtime_suspend(struct device *dev) { struct fsl_mqs *mqs_priv = dev_get_drvdata(dev);

- if (mqs_priv->use_gpr) - regmap_read(mqs_priv->regmap, IOMUXC_GPR2, - &mqs_priv->reg_iomuxc_gpr2); - else - regmap_read(mqs_priv->regmap, REG_MQS_CTRL, - &mqs_priv->reg_mqs_ctrl); + regmap_read(mqs_priv->regmap, mqs_priv->soc->ctrl_off, &mqs_priv->reg_mqs_ctrl);

clk_disable_unprepare(mqs_priv->mclk); clk_disable_unprepare(mqs_priv->ipg); @@ -315,9 +312,35 @@ static const struct dev_pm_ops fsl_mqs_pm_ops = { pm_runtime_force_resume) };

+static const struct fsl_mqs_soc_data fsl_mqs_imx8qm_data = { + .use_gpr = false, + .ctrl_off = REG_MQS_CTRL, + .en_mask = MQS_EN_MASK, + .en_shift = MQS_EN_SHIFT, + .rst_mask = MQS_SW_RST_MASK, + .rst_shift = MQS_SW_RST_SHIFT, + .osr_mask = MQS_OVERSAMPLE_MASK, + .osr_shift = MQS_OVERSAMPLE_SHIFT, + .div_mask = MQS_CLK_DIV_MASK, + .div_shift = MQS_CLK_DIV_SHIFT, +}; + +static const struct fsl_mqs_soc_data fsl_mqs_imx6sx_data = { + .use_gpr = true, + .ctrl_off = IOMUXC_GPR2, + .en_mask = IMX6SX_GPR2_MQS_EN_MASK, + .en_shift = IMX6SX_GPR2_MQS_EN_SHIFT, + .rst_mask = IMX6SX_GPR2_MQS_SW_RST_MASK, + .rst_shift = IMX6SX_GPR2_MQS_SW_RST_SHIFT, + .osr_mask = IMX6SX_GPR2_MQS_OVERSAMPLE_MASK, + .osr_shift = IMX6SX_GPR2_MQS_OVERSAMPLE_SHIFT, + .div_mask = IMX6SX_GPR2_MQS_CLK_DIV_MASK, + .div_shift = IMX6SX_GPR2_MQS_CLK_DIV_SHIFT, +}; + static const struct of_device_id fsl_mqs_dt_ids[] = { - { .compatible = "fsl,imx8qm-mqs", }, - { .compatible = "fsl,imx6sx-mqs", }, + { .compatible = "fsl,imx8qm-mqs", .data = &fsl_mqs_imx8qm_data }, + { .compatible = "fsl,imx6sx-mqs", .data = &fsl_mqs_imx6sx_data }, {} }; MODULE_DEVICE_TABLE(of, fsl_mqs_dt_ids);