summaryrefslogtreecommitdiff
path: root/sound/soc/xtensa/xtfpga-i2s.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/xtensa/xtfpga-i2s.c')
-rw-r--r--sound/soc/xtensa/xtfpga-i2s.c97
1 files changed, 39 insertions, 58 deletions
diff --git a/sound/soc/xtensa/xtfpga-i2s.c b/sound/soc/xtensa/xtfpga-i2s.c
index 8382ffa3bcaf..678ded059b95 100644
--- a/sound/soc/xtensa/xtfpga-i2s.c
+++ b/sound/soc/xtensa/xtfpga-i2s.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Xtfpga I2S controller driver
*
* Copyright (c) 2014 Cadence Design Systems Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/clk.h>
@@ -165,7 +162,7 @@ static bool xtfpga_pcm_push_tx(struct xtfpga_i2s *i2s)
tx_substream = rcu_dereference(i2s->tx_substream);
tx_active = tx_substream && snd_pcm_running(tx_substream);
if (tx_active) {
- unsigned tx_ptr = ACCESS_ONCE(i2s->tx_ptr);
+ unsigned tx_ptr = READ_ONCE(i2s->tx_ptr);
unsigned new_tx_ptr = i2s->tx_fn(i2s, tx_substream->runtime,
tx_ptr);
@@ -342,7 +339,7 @@ static int xtfpga_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
{
if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF)
return -EINVAL;
- if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS)
+ if ((fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) != SND_SOC_DAIFMT_BP_FP)
return -EINVAL;
if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_I2S)
return -EINVAL;
@@ -368,29 +365,31 @@ static const struct snd_pcm_hardware xtfpga_pcm_hardware = {
.fifo_size = 16,
};
-static int xtfpga_pcm_open(struct snd_pcm_substream *substream)
+static int xtfpga_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
void *p;
snd_soc_set_runtime_hwparams(substream, &xtfpga_pcm_hardware);
- p = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ p = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream);
runtime->private_data = p;
return 0;
}
-static int xtfpga_pcm_close(struct snd_pcm_substream *substream)
+static int xtfpga_pcm_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
synchronize_rcu();
return 0;
}
-static int xtfpga_pcm_hw_params(struct snd_pcm_substream *substream,
+static int xtfpga_pcm_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
- int ret;
struct snd_pcm_runtime *runtime = substream->runtime;
struct xtfpga_i2s *i2s = runtime->private_data;
unsigned channels = params_channels(hw_params);
@@ -422,12 +421,11 @@ static int xtfpga_pcm_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- ret = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- return ret;
+ return 0;
}
-static int xtfpga_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+static int xtfpga_pcm_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
{
int ret = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -437,7 +435,7 @@ static int xtfpga_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- ACCESS_ONCE(i2s->tx_ptr) = 0;
+ WRITE_ONCE(i2s->tx_ptr, 0);
rcu_assign_pointer(i2s->tx_substream, substream);
xtfpga_pcm_refill_fifo(i2s);
break;
@@ -455,47 +453,42 @@ static int xtfpga_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
return ret;
}
-static snd_pcm_uframes_t xtfpga_pcm_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t xtfpga_pcm_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct xtfpga_i2s *i2s = runtime->private_data;
- snd_pcm_uframes_t pos = ACCESS_ONCE(i2s->tx_ptr);
+ snd_pcm_uframes_t pos = READ_ONCE(i2s->tx_ptr);
return pos < runtime->buffer_size ? pos : 0;
}
-static int xtfpga_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int xtfpga_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
size_t size = xtfpga_pcm_hardware.buffer_bytes_max;
- return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
- SNDRV_DMA_TYPE_DEV,
- card->dev, size, size);
+ snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
+ card->dev, size, size);
+ return 0;
}
-static const struct snd_pcm_ops xtfpga_pcm_ops = {
- .open = xtfpga_pcm_open,
- .close = xtfpga_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = xtfpga_pcm_hw_params,
- .trigger = xtfpga_pcm_trigger,
- .pointer = xtfpga_pcm_pointer,
-};
-
-static const struct snd_soc_platform_driver xtfpga_soc_platform = {
- .pcm_new = xtfpga_pcm_new,
- .ops = &xtfpga_pcm_ops,
-};
-
static const struct snd_soc_component_driver xtfpga_i2s_component = {
- .name = DRV_NAME,
+ .name = DRV_NAME,
+ .open = xtfpga_pcm_open,
+ .close = xtfpga_pcm_close,
+ .hw_params = xtfpga_pcm_hw_params,
+ .trigger = xtfpga_pcm_trigger,
+ .pointer = xtfpga_pcm_pointer,
+ .pcm_construct = xtfpga_pcm_new,
+ .legacy_dai_naming = 1,
};
static const struct snd_soc_dai_ops xtfpga_i2s_dai_ops = {
.startup = xtfpga_i2s_startup,
.hw_params = xtfpga_i2s_hw_params,
- .set_fmt = xtfpga_i2s_set_fmt,
+ .set_fmt = xtfpga_i2s_set_fmt,
};
static struct snd_soc_dai_driver xtfpga_i2s_dai[] = {
@@ -537,7 +530,6 @@ static int xtfpga_i2s_runtime_resume(struct device *dev)
static int xtfpga_i2s_probe(struct platform_device *pdev)
{
struct xtfpga_i2s *i2s;
- struct resource *mem;
int err, irq;
i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
@@ -549,8 +541,7 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
i2s->dev = &pdev->dev;
dev_dbg(&pdev->dev, "dev: %p, i2s: %p\n", &pdev->dev, i2s);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- i2s->regs = devm_ioremap_resource(&pdev->dev, mem);
+ i2s->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(i2s->regs)) {
err = PTR_ERR(i2s->regs);
goto err;
@@ -578,7 +569,6 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- dev_err(&pdev->dev, "No IRQ resource\n");
err = irq;
goto err;
}
@@ -591,18 +581,13 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
goto err;
}
- err = snd_soc_register_platform(&pdev->dev, &xtfpga_soc_platform);
- if (err < 0) {
- dev_err(&pdev->dev, "couldn't register platform\n");
- goto err;
- }
err = devm_snd_soc_register_component(&pdev->dev,
&xtfpga_i2s_component,
xtfpga_i2s_dai,
ARRAY_SIZE(xtfpga_i2s_dai));
if (err < 0) {
dev_err(&pdev->dev, "couldn't register component\n");
- goto err_unregister_platform;
+ goto err;
}
pm_runtime_enable(&pdev->dev);
@@ -615,18 +600,15 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
err_pm_disable:
pm_runtime_disable(&pdev->dev);
-err_unregister_platform:
- snd_soc_unregister_platform(&pdev->dev);
err:
dev_err(&pdev->dev, "%s: err = %d\n", __func__, err);
return err;
}
-static int xtfpga_i2s_remove(struct platform_device *pdev)
+static void xtfpga_i2s_remove(struct platform_device *pdev)
{
struct xtfpga_i2s *i2s = dev_get_drvdata(&pdev->dev);
- snd_soc_unregister_platform(&pdev->dev);
if (i2s->regmap && !IS_ERR(i2s->regmap)) {
regmap_write(i2s->regmap, XTFPGA_I2S_CONFIG, 0);
regmap_write(i2s->regmap, XTFPGA_I2S_INT_MASK, 0);
@@ -636,7 +618,6 @@ static int xtfpga_i2s_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev))
xtfpga_i2s_runtime_suspend(&pdev->dev);
- return 0;
}
#ifdef CONFIG_OF
@@ -648,17 +629,17 @@ MODULE_DEVICE_TABLE(of, xtfpga_i2s_of_match);
#endif
static const struct dev_pm_ops xtfpga_i2s_pm_ops = {
- SET_RUNTIME_PM_OPS(xtfpga_i2s_runtime_suspend,
- xtfpga_i2s_runtime_resume, NULL)
+ RUNTIME_PM_OPS(xtfpga_i2s_runtime_suspend,
+ xtfpga_i2s_runtime_resume, NULL)
};
static struct platform_driver xtfpga_i2s_driver = {
.probe = xtfpga_i2s_probe,
- .remove = xtfpga_i2s_remove,
+ .remove = xtfpga_i2s_remove,
.driver = {
.name = "xtfpga-i2s",
.of_match_table = of_match_ptr(xtfpga_i2s_of_match),
- .pm = &xtfpga_i2s_pm_ops,
+ .pm = pm_ptr(&xtfpga_i2s_pm_ops),
},
};
generated by cgit (git 2.34.1) at 2025-12-25 13:58:28 +0000