diff options
| author | Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@amd.com> | 2015-12-04 18:40:32 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-12-07 19:52:02 +0000 |
| commit | e164835a0270cc01c93794536027cc70cd00d0ff (patch) | |
| tree | 013e6b1801609cad415e69c20ed3988967d0de99 /sound | |
| parent | f48303122d2fd94b719e546cf8a39d412c7eee69 (diff) | |
| download | linux-e164835a0270cc01c93794536027cc70cd00d0ff.tar.bz2 | |
ASoC: dwc: add quirk for different register offset
DWC in ACP 2.x IP has different offsets for I2S_COMP_PARAM_* registers.
Added a quirk to support the same.
Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/dwc/designware_i2s.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c index 3d7754c115ec..940c88136a34 100644 --- a/sound/soc/dwc/designware_i2s.c +++ b/sound/soc/dwc/designware_i2s.c @@ -94,6 +94,9 @@ struct dw_i2s_dev { struct clk *clk; int active; unsigned int capability; + 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 */ @@ -477,8 +480,8 @@ 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)) { @@ -521,7 +524,7 @@ 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; @@ -625,6 +628,14 @@ 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"; |