From c9d301e1d02d7b741f9f3d1799ad9b2306c393f1 Mon Sep 17 00:00:00 2001 From: Maruthi Srinivas Bayyavarapu Date: Fri, 23 Sep 2016 17:51:13 +0530 Subject: [PATCH 08/17] ASoC:dwc add quirk for different register offset Signed-off-by: Maruthi Bayyavarapu Signed-off-by: Kalyan Alle --- sound/soc/dwc/designware_i2s.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c index 6e6a70c..4f8f074 100644 --- a/sound/soc/dwc/designware_i2s.c +++ b/sound/soc/dwc/designware_i2s.c @@ -93,6 +93,10 @@ struct dw_i2s_dev { struct clk *clk; int active; unsigned int capability; + #define DW_I2S_QUIRK_COMP_REG_OFFSET (1 << 0) + unsigned int quirks; + unsigned int i2s_reg_comp1; + unsigned int i2s_reg_comp2; struct device *dev; /* data related to DMA transfers b/w i2s and DMAC */ @@ -459,8 +463,8 @@ static int dw_configure_dai(struct dw_i2s_dev *dev, * Read component parameter registers to extract * the I2S block's configuration. */ - u32 comp1 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_1); - u32 comp2 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_2); + u32 comp1 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp1); + u32 comp2 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp2); u32 idx; if (COMP1_TX_ENABLED(comp1)) { @@ -503,7 +507,7 @@ static int dw_configure_dai_by_pd(struct dw_i2s_dev *dev, struct resource *res, const struct i2s_platform_data *pdata) { - u32 comp1 = i2s_read_reg(dev->i2s_base, I2S_COMP_PARAM_1); + u32 comp1 = i2s_read_reg(dev->i2s_base, dev->i2s_reg_comp1); u32 idx = COMP1_APB_DATA_WIDTH(comp1); int ret; @@ -607,6 +611,14 @@ static int dw_i2s_probe(struct platform_device *pdev) if (pdata) { dev->capability = pdata->cap; clk_id = NULL; + dev->quirks = pdata->quirks; + if (dev->quirks & DW_I2S_QUIRK_COMP_REG_OFFSET) { + dev->i2s_reg_comp1 = pdata->i2s_reg_comp1; + dev->i2s_reg_comp2 = pdata->i2s_reg_comp2; + } else { + dev->i2s_reg_comp1 = I2S_COMP_PARAM_1; + dev->i2s_reg_comp2 = I2S_COMP_PARAM_2; + } ret = dw_configure_dai_by_pd(dev, dw_i2s_dai, res, pdata); } else { clk_id = "i2sclk"; -- 2.7.4