static int lpass_cpu_platform_probe(struct platform_device *pdev)
{
struct lpass_data *drvdata;
struct device_node *dsp_of_node;
struct resource *res;
int ret;
dsp_of_node = of_parse_phandle(pdev->dev.of_node, "qcom,adsp", 0);
if (dsp_of_node) {
dev_err(&pdev->dev, "%s() DSP exists and holds audio resources\n",
__func__);
return -EBUSY;
}
drvdata = devm_kzalloc(&pdev->dev, sizeof(struct lpass_data),
GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
platform_set_drvdata(pdev, drvdata);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-lpaif");
if (!res) {
dev_err(&pdev->dev, "%s() error getting resource\n", __func__);
return -ENODEV;
}
drvdata->lpaif = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR((void const __force *)drvdata->lpaif)) {
dev_err(&pdev->dev, "%s() error mapping reg resource: %ld\n",
__func__,
PTR_ERR((void const __force *)drvdata->lpaif));
return PTR_ERR((void const __force *)drvdata->lpaif);
}
drvdata->lpaif_map = devm_regmap_init_mmio(&pdev->dev, drvdata->lpaif,
&lpass_cpu_regmap_config);
if (IS_ERR(drvdata->lpaif_map)) {
dev_err(&pdev->dev, "%s() error initializing regmap: %ld\n",
__func__, PTR_ERR(drvdata->lpaif_map));
return PTR_ERR(drvdata->lpaif_map);
}
drvdata->mi2s_osr_clk = devm_clk_get(&pdev->dev, "mi2s-osr-clk");
if (IS_ERR(drvdata->mi2s_osr_clk)) {
dev_err(&pdev->dev, "%s() error getting mi2s-osr-clk: %ld\n",
__func__, PTR_ERR(drvdata->mi2s_osr_clk));
return PTR_ERR(drvdata->mi2s_osr_clk);
}
drvdata->mi2s_bit_clk = devm_clk_get(&pdev->dev, "mi2s-bit-clk");
if (IS_ERR(drvdata->mi2s_bit_clk)) {
dev_err(&pdev->dev, "%s() error getting mi2s-bit-clk: %ld\n",
__func__, PTR_ERR(drvdata->mi2s_bit_clk));
return PTR_ERR(drvdata->mi2s_bit_clk);
}
drvdata->ahbix_clk = devm_clk_get(&pdev->dev, "ahbix-clk");
if (IS_ERR(drvdata->ahbix_clk)) {
dev_err(&pdev->dev, "%s() error getting ahbix-clk: %ld\n",
__func__, PTR_ERR(drvdata->ahbix_clk));
return PTR_ERR(drvdata->ahbix_clk);
}
ret = clk_set_rate(drvdata->ahbix_clk, LPASS_AHBIX_CLOCK_FREQUENCY);
if (ret) {
dev_err(&pdev->dev, "%s() error setting rate on ahbix_clk: %d\n",
__func__, ret);
return ret;
}
dev_dbg(&pdev->dev, "%s() set ahbix_clk rate to %lu\n", __func__,
clk_get_rate(drvdata->ahbix_clk));
ret = clk_prepare_enable(drvdata->ahbix_clk);
if (ret) {
dev_err(&pdev->dev, "%s() error enabling ahbix_clk: %d\n",
__func__, ret);
return ret;
}
ret = devm_snd_soc_register_component(&pdev->dev,
&lpass_cpu_comp_driver, &lpass_cpu_dai_driver, 1);
if (ret) {
dev_err(&pdev->dev, "%s() error registering cpu driver: %d\n",
__func__, ret);
goto err_clk;
}
ret = asoc_qcom_lpass_platform_register(pdev);
if (ret) {
dev_err(&pdev->dev, "%s() error registering platform driver: %d\n",
__func__, ret);
goto err_clk;
}
return 0;
err_clk:
clk_disable_unprepare(drvdata->ahbix_clk);
return ret;
}
int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
{
struct lpass_data *drvdata;
struct device_node *dsp_of_node;
struct resource *res;
struct lpass_variant *variant;
struct device *dev = &pdev->dev;
const struct of_device_id *match;
char clk_name[16];
int ret, i, dai_id;
dsp_of_node = of_parse_phandle(pdev->dev.of_node, "qcom,adsp", 0);
if (dsp_of_node) {
dev_err(&pdev->dev, "%s() DSP exists and holds audio resources\n",
__func__);
return -EBUSY;
}
drvdata = devm_kzalloc(&pdev->dev, sizeof(struct lpass_data),
GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
platform_set_drvdata(pdev, drvdata);
match = of_match_device(dev->driver->of_match_table, dev);
if (!match || !match->data)
return -EINVAL;
drvdata->variant = (struct lpass_variant *)match->data;
variant = drvdata->variant;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-lpaif");
drvdata->lpaif = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR((void const __force *)drvdata->lpaif)) {
dev_err(&pdev->dev, "%s() error mapping reg resource: %ld\n",
__func__,
PTR_ERR((void const __force *)drvdata->lpaif));
return PTR_ERR((void const __force *)drvdata->lpaif);
}
lpass_cpu_regmap_config.max_register = LPAIF_RDMAPER_REG(variant,
variant->rdma_channels);
drvdata->lpaif_map = devm_regmap_init_mmio(&pdev->dev, drvdata->lpaif,
&lpass_cpu_regmap_config);
if (IS_ERR(drvdata->lpaif_map)) {
dev_err(&pdev->dev, "%s() error initializing regmap: %ld\n",
__func__, PTR_ERR(drvdata->lpaif_map));
return PTR_ERR(drvdata->lpaif_map);
}
if (variant->init)
variant->init(pdev);
for (i = 0; i < variant->num_dai; i++) {
dai_id = variant->dai_driver[i].id;
if (variant->num_dai > 1)
sprintf(clk_name, "mi2s-osr-clk%d", i);
else
sprintf(clk_name, "mi2s-osr-clk");
drvdata->mi2s_osr_clk[dai_id] = devm_clk_get(&pdev->dev,
clk_name);
if (IS_ERR(drvdata->mi2s_osr_clk[dai_id])) {
dev_warn(&pdev->dev,
"%s() error getting mi2s-osr-clk: %ld\n",
__func__,
PTR_ERR(drvdata->mi2s_osr_clk[dai_id]));
}
if (variant->num_dai > 1)
sprintf(clk_name, "mi2s-bit-clk%d", i);
else
sprintf(clk_name, "mi2s-bit-clk");
drvdata->mi2s_bit_clk[dai_id] = devm_clk_get(&pdev->dev,
clk_name);
if (IS_ERR(drvdata->mi2s_bit_clk[dai_id])) {
dev_err(&pdev->dev,
"%s() error getting mi2s-bit-clk: %ld\n",
__func__,
PTR_ERR(drvdata->mi2s_bit_clk[dai_id]));
return PTR_ERR(drvdata->mi2s_bit_clk[dai_id]);
}
}
drvdata->ahbix_clk = devm_clk_get(&pdev->dev, "ahbix-clk");
if (IS_ERR(drvdata->ahbix_clk)) {
dev_err(&pdev->dev, "%s() error getting ahbix-clk: %ld\n",
__func__, PTR_ERR(drvdata->ahbix_clk));
return PTR_ERR(drvdata->ahbix_clk);
}
ret = clk_set_rate(drvdata->ahbix_clk, LPASS_AHBIX_CLOCK_FREQUENCY);
if (ret) {
dev_err(&pdev->dev, "%s() error setting rate on ahbix_clk: %d\n",
__func__, ret);
return ret;
}
dev_dbg(&pdev->dev, "%s() set ahbix_clk rate to %lu\n", __func__,
clk_get_rate(drvdata->ahbix_clk));
ret = clk_prepare_enable(drvdata->ahbix_clk);
if (ret) {
dev_err(&pdev->dev, "%s() error enabling ahbix_clk: %d\n",
__func__, ret);
return ret;
}
ret = devm_snd_soc_register_component(&pdev->dev,
&lpass_cpu_comp_driver,
variant->dai_driver,
variant->num_dai);
if (ret) {
dev_err(&pdev->dev, "%s() error registering cpu driver: %d\n",
__func__, ret);
goto err_clk;
}
ret = asoc_qcom_lpass_platform_register(pdev);
if (ret) {
dev_err(&pdev->dev, "%s() error registering platform driver: %d\n",
__func__, ret);
goto err_clk;
}
return 0;
err_clk:
clk_disable_unprepare(drvdata->ahbix_clk);
return ret;
}
