Commit e164835a authored by Maruthi Srinivas Bayyavarapu's avatar Maruthi Srinivas Bayyavarapu Committed by Mark Brown

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: default avatarMaruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f4830312
......@@ -45,6 +45,11 @@ struct i2s_platform_data {
u32 snd_fmts;
u32 snd_rates;
#define DW_I2S_QUIRK_COMP_REG_OFFSET (1 << 0)
unsigned int quirks;
unsigned int i2s_reg_comp1;
unsigned int i2s_reg_comp2;
void *play_dma_data;
void *capture_dma_data;
bool (*filter)(struct dma_chan *chan, void *slave);
......
......@@ -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";
......
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