diff options
Diffstat (limited to 'sound/soc/fsl/mpc5200_psc_ac97.c')
-rw-r--r-- | sound/soc/fsl/mpc5200_psc_ac97.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c index e2ee220bfb7e..40acc8e2b1ca 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" @@ -100,19 +101,32 @@ 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(®s->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_AWR); udelay(3); out_be32(®s->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(®s->op1, MPC52xx_PSC_OP_RES); - udelay(10); - out_8(®s->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(®s->sicr, psc_dma->sicr | MPC52xx_PSC_SICR_ACRB); + + /* Re-enable RX and TX */ + out_8(®s->command, MPC52xx_PSC_TX_ENABLE | MPC52xx_PSC_RX_ENABLE); + + mutex_unlock(&psc_dma->mutex); + msleep(1); psc_ac97_warm_reset(ac97); } @@ -129,7 +143,7 @@ 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 +166,7 @@ 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 +181,7 @@ 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 +206,9 @@ 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 */ @@ -223,9 +235,8 @@ static 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", .ac97_control = 1, .probe = psc_ac97_probe, .playback = { @@ -243,7 +254,6 @@ struct snd_soc_dai psc_ac97_dai[] = { .ops = &psc_ac97_analog_ops, }, { - .name = "SPDIF", .ac97_control = 1, .playback = { .channels_min = 1, @@ -254,7 +264,6 @@ struct snd_soc_dai psc_ac97_dai[] = { }, .ops = &psc_ac97_digital_ops, } }; -EXPORT_SYMBOL_GPL(psc_ac97_dai); @@ -263,21 +272,14 @@ EXPORT_SYMBOL_GPL(psc_ac97_dai); * - Probe/remove operations * - OF device match table */ -static int __devinit psc_ac97_of_probe(struct of_device *op, +static int __devinit psc_ac97_of_probe(struct platform_device *op, const struct of_device_id *match) { - int rc, i; + int rc; struct snd_ac97 ac97; struct mpc52xx_psc __iomem *regs; - rc = mpc5200_audio_dma_create(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_register_dais(psc_ac97_dai, ARRAY_SIZE(psc_ac97_dai)); + rc = snd_soc_register_dais(&op->dev, psc_ac97_dai, ARRAY_SIZE(psc_ac97_dai)); if (rc != 0) { dev_err(&op->dev, "Failed to register DAI\n"); return rc; @@ -287,9 +289,6 @@ 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); @@ -303,9 +302,10 @@ 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 __devexit psc_ac97_of_remove(struct platform_device *op) { - return mpc5200_audio_dma_destroy(op); + snd_soc_unregister_dais(&op->dev, ARRAY_SIZE(psc_ac97_dai)); + return 0; } /* Match table for of_platform binding */ |