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path: root/sound/soc/qcom/lpass-cpu.c
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Diffstat (limited to 'sound/soc/qcom/lpass-cpu.c')
-rw-r--r--sound/soc/qcom/lpass-cpu.c240
1 files changed, 127 insertions, 113 deletions
diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index dc790abaa..23f3d59e6 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -14,21 +14,17 @@
*/
#include <linux/clk.h>
-#include <linux/compiler.h>
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/ioport.h>
#include <linux/kernel.h>
-#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
-#include "lpass-lpaif-ipq806x.h"
+#include "lpass-lpaif-reg.h"
#include "lpass.h"
static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id,
@@ -37,7 +33,10 @@ static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id,
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
- ret = clk_set_rate(drvdata->mi2s_osr_clk, freq);
+ if (IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
+ return 0;
+
+ ret = clk_set_rate(drvdata->mi2s_osr_clk[dai->driver->id], freq);
if (ret)
dev_err(dai->dev, "%s() error setting mi2s osrclk to %u: %d\n",
__func__, freq, ret);
@@ -51,18 +50,23 @@ static int lpass_cpu_daiops_startup(struct snd_pcm_substream *substream,
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
- ret = clk_prepare_enable(drvdata->mi2s_osr_clk);
- if (ret) {
- dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n",
- __func__, ret);
- return ret;
+ if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id])) {
+ ret = clk_prepare_enable(
+ drvdata->mi2s_osr_clk[dai->driver->id]);
+ if (ret) {
+ dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n",
+ __func__, ret);
+ return ret;
+ }
}
- ret = clk_prepare_enable(drvdata->mi2s_bit_clk);
+ ret = clk_prepare_enable(drvdata->mi2s_bit_clk[dai->driver->id]);
if (ret) {
dev_err(dai->dev, "%s() error in enabling mi2s bit clk: %d\n",
__func__, ret);
- clk_disable_unprepare(drvdata->mi2s_osr_clk);
+ if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
+ clk_disable_unprepare(
+ drvdata->mi2s_osr_clk[dai->driver->id]);
return ret;
}
@@ -74,8 +78,10 @@ static void lpass_cpu_daiops_shutdown(struct snd_pcm_substream *substream,
{
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
- clk_disable_unprepare(drvdata->mi2s_bit_clk);
- clk_disable_unprepare(drvdata->mi2s_osr_clk);
+ clk_disable_unprepare(drvdata->mi2s_bit_clk[dai->driver->id]);
+
+ if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
+ clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]);
}
static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
@@ -142,14 +148,16 @@ static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
}
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), regval);
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
+ regval);
if (ret) {
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
return ret;
}
- ret = clk_set_rate(drvdata->mi2s_bit_clk, rate * bitwidth * 2);
+ ret = clk_set_rate(drvdata->mi2s_bit_clk[dai->driver->id],
+ rate * bitwidth * 2);
if (ret) {
dev_err(dai->dev, "%s() error setting mi2s bitclk to %u: %d\n",
__func__, rate * bitwidth * 2, ret);
@@ -166,7 +174,8 @@ static int lpass_cpu_daiops_hw_free(struct snd_pcm_substream *substream,
int ret;
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), 0);
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
+ 0);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
@@ -181,7 +190,7 @@ static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream,
int ret;
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK, LPAIF_I2SCTL_SPKEN_ENABLE);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
@@ -201,7 +210,8 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
+ LPAIF_I2SCTL_REG(drvdata->variant,
+ dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK,
LPAIF_I2SCTL_SPKEN_ENABLE);
if (ret)
@@ -212,7 +222,8 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
+ LPAIF_I2SCTL_REG(drvdata->variant,
+ dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK,
LPAIF_I2SCTL_SPKEN_DISABLE);
if (ret)
@@ -224,7 +235,7 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
return ret;
}
-static struct snd_soc_dai_ops lpass_cpu_dai_ops = {
+struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = {
.set_sysclk = lpass_cpu_daiops_set_sysclk,
.startup = lpass_cpu_daiops_startup,
.shutdown = lpass_cpu_daiops_shutdown,
@@ -233,41 +244,23 @@ static struct snd_soc_dai_ops lpass_cpu_dai_ops = {
.prepare = lpass_cpu_daiops_prepare,
.trigger = lpass_cpu_daiops_trigger,
};
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_ops);
-static int lpass_cpu_dai_probe(struct snd_soc_dai *dai)
+int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai)
{
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
/* ensure audio hardware is disabled */
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), 0);
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), 0);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
return ret;
}
-
-static struct snd_soc_dai_driver lpass_cpu_dai_driver = {
- .playback = {
- .stream_name = "lpass-cpu-playback",
- .formats = SNDRV_PCM_FMTBIT_S16 |
- SNDRV_PCM_FMTBIT_S24 |
- SNDRV_PCM_FMTBIT_S32,
- .rates = SNDRV_PCM_RATE_8000 |
- SNDRV_PCM_RATE_16000 |
- SNDRV_PCM_RATE_32000 |
- SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_96000,
- .rate_min = 8000,
- .rate_max = 96000,
- .channels_min = 1,
- .channels_max = 8,
- },
- .probe = &lpass_cpu_dai_probe,
- .ops = &lpass_cpu_dai_ops,
-};
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_probe);
static const struct snd_soc_component_driver lpass_cpu_comp_driver = {
.name = "lpass-cpu",
@@ -275,27 +268,29 @@ static const struct snd_soc_component_driver lpass_cpu_comp_driver = {
static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
int i;
- for (i = 0; i < LPAIF_I2S_PORT_NUM; ++i)
- if (reg == LPAIF_I2SCTL_REG(i))
+ for (i = 0; i < v->i2s_ports; ++i)
+ if (reg == LPAIF_I2SCTL_REG(v, i))
return true;
- for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i) {
- if (reg == LPAIF_IRQEN_REG(i))
+ for (i = 0; i < v->irq_ports; ++i) {
+ if (reg == LPAIF_IRQEN_REG(v, i))
return true;
- if (reg == LPAIF_IRQCLEAR_REG(i))
+ if (reg == LPAIF_IRQCLEAR_REG(v, i))
return true;
}
- for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i) {
- if (reg == LPAIF_RDMACTL_REG(i))
+ for (i = 0; i < v->rdma_channels; ++i) {
+ if (reg == LPAIF_RDMACTL_REG(v, i))
return true;
- if (reg == LPAIF_RDMABASE_REG(i))
+ if (reg == LPAIF_RDMABASE_REG(v, i))
return true;
- if (reg == LPAIF_RDMABUFF_REG(i))
+ if (reg == LPAIF_RDMABUFF_REG(v, i))
return true;
- if (reg == LPAIF_RDMAPER_REG(i))
+ if (reg == LPAIF_RDMAPER_REG(v, i))
return true;
}
@@ -304,29 +299,31 @@ static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
int i;
- for (i = 0; i < LPAIF_I2S_PORT_NUM; ++i)
- if (reg == LPAIF_I2SCTL_REG(i))
+ for (i = 0; i < v->i2s_ports; ++i)
+ if (reg == LPAIF_I2SCTL_REG(v, i))
return true;
- for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i) {
- if (reg == LPAIF_IRQEN_REG(i))
+ for (i = 0; i < v->irq_ports; ++i) {
+ if (reg == LPAIF_IRQEN_REG(v, i))
return true;
- if (reg == LPAIF_IRQSTAT_REG(i))
+ if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
}
- for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i) {
- if (reg == LPAIF_RDMACTL_REG(i))
+ for (i = 0; i < v->rdma_channels; ++i) {
+ if (reg == LPAIF_RDMACTL_REG(v, i))
return true;
- if (reg == LPAIF_RDMABASE_REG(i))
+ if (reg == LPAIF_RDMABASE_REG(v, i))
return true;
- if (reg == LPAIF_RDMABUFF_REG(i))
+ if (reg == LPAIF_RDMABUFF_REG(v, i))
return true;
- if (reg == LPAIF_RDMACURR_REG(i))
+ if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
- if (reg == LPAIF_RDMAPER_REG(i))
+ if (reg == LPAIF_RDMAPER_REG(v, i))
return true;
}
@@ -335,36 +332,41 @@ static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
int i;
- for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i)
- if (reg == LPAIF_IRQSTAT_REG(i))
+ for (i = 0; i < v->irq_ports; ++i)
+ if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
- for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i)
- if (reg == LPAIF_RDMACURR_REG(i))
+ for (i = 0; i < v->rdma_channels; ++i)
+ if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
return false;
}
-static const struct regmap_config lpass_cpu_regmap_config = {
+static struct regmap_config lpass_cpu_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
- .max_register = LPAIF_RDMAPER_REG(LPAIF_RDMA_CHAN_MAX),
.writeable_reg = lpass_cpu_regmap_writeable,
.readable_reg = lpass_cpu_regmap_readable,
.volatile_reg = lpass_cpu_regmap_volatile,
.cache_type = REGCACHE_FLAT,
};
-static int lpass_cpu_platform_probe(struct platform_device *pdev)
+int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
{
struct lpass_data *drvdata;
struct device_node *dsp_of_node;
struct resource *res;
- int ret;
+ 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) {
@@ -379,11 +381,14 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
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");
- 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)) {
@@ -393,6 +398,9 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
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)) {
@@ -401,18 +409,38 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
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);
+ 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[i]));
+ return PTR_ERR(drvdata->mi2s_bit_clk[dai_id]);
+ }
}
drvdata->ahbix_clk = devm_clk_get(&pdev->dev, "ahbix-clk");
@@ -439,7 +467,9 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
}
ret = devm_snd_soc_register_component(&pdev->dev,
- &lpass_cpu_comp_driver, &lpass_cpu_dai_driver, 1);
+ &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);
@@ -459,33 +489,17 @@ err_clk:
clk_disable_unprepare(drvdata->ahbix_clk);
return ret;
}
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_probe);
-static int lpass_cpu_platform_remove(struct platform_device *pdev)
+int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
+ if (drvdata->variant->exit)
+ drvdata->variant->exit(pdev);
+
clk_disable_unprepare(drvdata->ahbix_clk);
return 0;
}
-
-#ifdef CONFIG_OF
-static const struct of_device_id lpass_cpu_device_id[] = {
- { .compatible = "qcom,lpass-cpu" },
- {}
-};
-MODULE_DEVICE_TABLE(of, lpass_cpu_device_id);
-#endif
-
-static struct platform_driver lpass_cpu_platform_driver = {
- .driver = {
- .name = "lpass-cpu",
- .of_match_table = of_match_ptr(lpass_cpu_device_id),
- },
- .probe = lpass_cpu_platform_probe,
- .remove = lpass_cpu_platform_remove,
-};
-module_platform_driver(lpass_cpu_platform_driver);
-
-MODULE_DESCRIPTION("QTi LPASS CPU Driver");
-MODULE_LICENSE("GPL v2");
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_remove);