Register m2m platform device, that user can use M2M feature.
Defined platform data structure and platform driver name.
Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com --- include/sound/fsl_asrc_common.h | 23 +++++++++++++++++++++++ sound/soc/fsl/fsl_asrc.c | 18 ++++++++++++++++++ 2 files changed, 41 insertions(+)
diff --git a/include/sound/fsl_asrc_common.h b/include/sound/fsl_asrc_common.h index 8a1ac88aedac..9a8209b698f2 100644 --- a/include/sound/fsl_asrc_common.h +++ b/include/sound/fsl_asrc_common.h @@ -69,6 +69,7 @@ struct fsl_asrc_pair { * @dma_params_rx: DMA parameters for receive channel * @dma_params_tx: DMA parameters for transmit channel * @pdev: platform device pointer + * @m2m_pdev: m2m platform device pointer * @regmap: regmap handler * @paddr: physical address to the base address of registers * @mem_clk: clock source to access register @@ -101,6 +102,7 @@ struct fsl_asrc { struct snd_dmaengine_dai_dma_data dma_params_rx; struct snd_dmaengine_dai_dma_data dma_params_tx; struct platform_device *pdev; + struct platform_device *m2m_pdev; struct regmap *regmap; unsigned long paddr; struct clk *mem_clk; @@ -137,6 +139,27 @@ struct fsl_asrc { void *private; };
+/** + * struct fsl_asrc_m2m_pdata - platform data + * @asrc: pointer to struct fsl_asrc + * @fmt_in: input sample format + * @fmt_out: output sample format + * @chan_min: minimum channel number + * @chan_max: maximum channel number + * @rate_min: minimum rate + * @rate_max: maximum rete + */ +struct fsl_asrc_m2m_pdata { + struct fsl_asrc *asrc; + u64 fmt_in; + u64 fmt_out; + int chan_min; + int chan_max; + int rate_min; + int rate_max; +}; + +#define M2M_DRV_NAME "fsl_asrc_m2m" #define DRV_NAME "fsl-asrc-dai" extern struct snd_soc_component_driver fsl_asrc_component;
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 47db476ac47a..a9837d5d9124 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -1179,6 +1179,7 @@ static int fsl_asrc_runtime_suspend(struct device *dev); static int fsl_asrc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; + struct fsl_asrc_m2m_pdata m2m_pdata; struct fsl_asrc_priv *asrc_priv; struct fsl_asrc *asrc; struct resource *res; @@ -1360,6 +1361,18 @@ static int fsl_asrc_probe(struct platform_device *pdev) goto err_pm_get_sync; }
+ m2m_pdata.asrc = asrc; + m2m_pdata.fmt_in = FSL_ASRC_FORMATS; + m2m_pdata.fmt_out = FSL_ASRC_FORMATS | SNDRV_PCM_FMTBIT_S8; + m2m_pdata.rate_min = 5512; + m2m_pdata.rate_max = 192000; + m2m_pdata.chan_min = 1; + m2m_pdata.chan_max = 10; + asrc->m2m_pdev = platform_device_register_data(&pdev->dev, + M2M_DRV_NAME, + PLATFORM_DEVID_AUTO, + &m2m_pdata, + sizeof(m2m_pdata)); return 0;
err_pm_get_sync: @@ -1372,6 +1385,11 @@ static int fsl_asrc_probe(struct platform_device *pdev)
static void fsl_asrc_remove(struct platform_device *pdev) { + struct fsl_asrc *asrc = dev_get_drvdata(&pdev->dev); + + if (asrc->m2m_pdev && !IS_ERR(asrc->m2m_pdev)) + platform_device_unregister(asrc->m2m_pdev); + pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) fsl_asrc_runtime_suspend(&pdev->dev);