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Diffstat (limited to 'sound/soc/fsl/mpc5200_psc_ac97.c')
-rw-r--r--sound/soc/fsl/mpc5200_psc_ac97.c101
1 files changed, 53 insertions, 48 deletions
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c
index e2ee220bfb7..24eafa2cfbf 100644
--- a/sound/soc/fsl/mpc5200_psc_ac97.c
+++ b/sound/soc/fsl/mpc5200_psc_ac97.c
@@ -20,6 +20,7 @@
#include <asm/time.h>
#include <asm/delay.h>
+#include <asm/mpc52xx.h>
#include <asm/mpc52xx_psc.h>
#include "mpc5200_dma.h"
@@ -100,36 +101,48 @@ static void psc_ac97_warm_reset(struct snd_ac97 *ac97)
{
struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
+ mutex_lock(&psc_dma->mutex);
+
out_be32(&regs->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_AWR);
udelay(3);
out_be32(&regs->sicr, psc_dma->sicr);
+
+ mutex_unlock(&psc_dma->mutex);
}
static void psc_ac97_cold_reset(struct snd_ac97 *ac97)
{
struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
- /* Do a cold reset */
- out_8(&regs->op1, MPC52xx_PSC_OP_RES);
- udelay(10);
- out_8(&regs->op0, MPC52xx_PSC_OP_RES);
+ mutex_lock(&psc_dma->mutex);
+ dev_dbg(psc_dma->dev, "cold reset\n");
+
+ mpc5200_psc_ac97_gpio_reset(psc_dma->id);
+
+ /* Notify the PSC that a reset has occurred */
+ out_be32(&regs->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_ACRB);
+
+ /* Re-enable RX and TX */
+ out_8(&regs->command, MPC52xx_PSC_TX_ENABLE | MPC52xx_PSC_RX_ENABLE);
+
+ mutex_unlock(&psc_dma->mutex);
+
msleep(1);
psc_ac97_warm_reset(ac97);
}
-struct snd_ac97_bus_ops soc_ac97_ops = {
+static struct snd_ac97_bus_ops psc_ac97_ops = {
.read = psc_ac97_read,
.write = psc_ac97_write,
.reset = psc_ac97_cold_reset,
.warm_reset = psc_ac97_warm_reset,
};
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
static int psc_ac97_hw_analog_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *cpu_dai)
{
- struct psc_dma *psc_dma = cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(cpu_dai);
struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma);
dev_dbg(psc_dma->dev, "%s(substream=%p) p_size=%i p_bytes=%i"
@@ -152,7 +165,7 @@ static int psc_ac97_hw_digital_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *cpu_dai)
{
- struct psc_dma *psc_dma = cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(cpu_dai);
dev_dbg(psc_dma->dev, "%s(substream=%p)\n", __func__, substream);
@@ -167,8 +180,7 @@ static int psc_ac97_hw_digital_params(struct snd_pcm_substream *substream,
static int psc_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = rtd->dai->cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(dai);
struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma);
switch (cmd) {
@@ -193,10 +205,9 @@ static int psc_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
return 0;
}
-static int psc_ac97_probe(struct platform_device *pdev,
- struct snd_soc_dai *cpu_dai)
+static int psc_ac97_probe(struct snd_soc_dai *cpu_dai)
{
- struct psc_dma *psc_dma = cpu_dai->private_data;
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(cpu_dai);
struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
/* Go */
@@ -214,27 +225,29 @@ static int psc_ac97_probe(struct platform_device *pdev,
/**
* psc_ac97_dai_template: template CPU Digital Audio Interface
*/
-static struct snd_soc_dai_ops psc_ac97_analog_ops = {
+static const struct snd_soc_dai_ops psc_ac97_analog_ops = {
.hw_params = psc_ac97_hw_analog_params,
.trigger = psc_ac97_trigger,
};
-static struct snd_soc_dai_ops psc_ac97_digital_ops = {
+static const struct snd_soc_dai_ops psc_ac97_digital_ops = {
.hw_params = psc_ac97_hw_digital_params,
};
-struct snd_soc_dai psc_ac97_dai[] = {
+static struct snd_soc_dai_driver psc_ac97_dai[] = {
{
- .name = "AC97",
+ .name = "mpc5200-psc-ac97.0",
.ac97_control = 1,
.probe = psc_ac97_probe,
.playback = {
+ .stream_name = "AC97 Playback",
.channels_min = 1,
.channels_max = 6,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S32_BE,
},
.capture = {
+ .stream_name = "AC97 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
@@ -243,9 +256,10 @@ struct snd_soc_dai psc_ac97_dai[] = {
.ops = &psc_ac97_analog_ops,
},
{
- .name = "SPDIF",
+ .name = "mpc5200-psc-ac97.1",
.ac97_control = 1,
.playback = {
+ .stream_name = "AC97 SPDIF",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_32000 | \
@@ -254,8 +268,10 @@ struct snd_soc_dai psc_ac97_dai[] = {
},
.ops = &psc_ac97_digital_ops,
} };
-EXPORT_SYMBOL_GPL(psc_ac97_dai);
+static const struct snd_soc_component_driver psc_ac97_component = {
+ .name = DRV_NAME,
+};
/* ---------------------------------------------------------------------
@@ -263,10 +279,9 @@ EXPORT_SYMBOL_GPL(psc_ac97_dai);
* - Probe/remove operations
* - OF device match table
*/
-static int __devinit psc_ac97_of_probe(struct of_device *op,
- const struct of_device_id *match)
+static int psc_ac97_of_probe(struct platform_device *op)
{
- int rc, i;
+ int rc;
struct snd_ac97 ac97;
struct mpc52xx_psc __iomem *regs;
@@ -274,10 +289,14 @@ static int __devinit psc_ac97_of_probe(struct of_device *op,
if (rc != 0)
return rc;
- for (i = 0; i < ARRAY_SIZE(psc_ac97_dai); i++)
- psc_ac97_dai[i].dev = &op->dev;
+ rc = snd_soc_set_ac97_ops(&psc_ac97_ops);
+ if (rc != 0) {
+ dev_err(&op->dev, "Failed to set AC'97 ops: %d\n", rc);
+ return rc;
+ }
- rc = snd_soc_register_dais(psc_ac97_dai, ARRAY_SIZE(psc_ac97_dai));
+ rc = snd_soc_register_component(&op->dev, &psc_ac97_component,
+ psc_ac97_dai, ARRAY_SIZE(psc_ac97_dai));
if (rc != 0) {
dev_err(&op->dev, "Failed to register DAI\n");
return rc;
@@ -287,9 +306,6 @@ static int __devinit psc_ac97_of_probe(struct of_device *op,
regs = psc_dma->psc_regs;
ac97.private_data = psc_dma;
- for (i = 0; i < ARRAY_SIZE(psc_ac97_dai); i++)
- psc_ac97_dai[i].private_data = psc_dma;
-
psc_dma->imr = 0;
out_be16(&psc_dma->psc_regs->isr_imr.imr, psc_dma->imr);
@@ -303,22 +319,25 @@ static int __devinit psc_ac97_of_probe(struct of_device *op,
return 0;
}
-static int __devexit psc_ac97_of_remove(struct of_device *op)
+static int psc_ac97_of_remove(struct platform_device *op)
{
- return mpc5200_audio_dma_destroy(op);
+ mpc5200_audio_dma_destroy(op);
+ snd_soc_unregister_component(&op->dev);
+ snd_soc_set_ac97_ops(NULL);
+ return 0;
}
/* Match table for of_platform binding */
-static struct of_device_id psc_ac97_match[] __devinitdata = {
+static struct of_device_id psc_ac97_match[] = {
{ .compatible = "fsl,mpc5200-psc-ac97", },
{ .compatible = "fsl,mpc5200b-psc-ac97", },
{}
};
MODULE_DEVICE_TABLE(of, psc_ac97_match);
-static struct of_platform_driver psc_ac97_driver = {
+static struct platform_driver psc_ac97_driver = {
.probe = psc_ac97_of_probe,
- .remove = __devexit_p(psc_ac97_of_remove),
+ .remove = psc_ac97_of_remove,
.driver = {
.name = "mpc5200-psc-ac97",
.owner = THIS_MODULE,
@@ -326,21 +345,7 @@ static struct of_platform_driver psc_ac97_driver = {
},
};
-/* ---------------------------------------------------------------------
- * Module setup and teardown; simply register the of_platform driver
- * for the PSC in AC97 mode.
- */
-static int __init psc_ac97_init(void)
-{
- return of_register_platform_driver(&psc_ac97_driver);
-}
-module_init(psc_ac97_init);
-
-static void __exit psc_ac97_exit(void)
-{
- of_unregister_platform_driver(&psc_ac97_driver);
-}
-module_exit(psc_ac97_exit);
+module_platform_driver(psc_ac97_driver);
MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
MODULE_DESCRIPTION("mpc5200 AC97 module");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-16 01:33:32 +0000