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-rw-r--r--sound/soc/atmel/Kconfig29
-rw-r--r--sound/soc/atmel/Makefile4
-rw-r--r--sound/soc/atmel/atmel-pcm-dma.c134
-rw-r--r--sound/soc/atmel/atmel-pcm-pdc.c68
-rw-r--r--sound/soc/atmel/atmel-pcm.c15
-rw-r--r--sound/soc/atmel/atmel-pcm.h6
-rw-r--r--sound/soc/atmel/atmel_ssc_dai.c145
-rw-r--r--sound/soc/atmel/atmel_wm8904.c246
-rw-r--r--sound/soc/atmel/sam9g20_wm8731.c37
-rw-r--r--sound/soc/atmel/sam9x5_wm8731.c208
-rw-r--r--sound/soc/atmel/snd-soc-afeb9260.c12
11 files changed, 633 insertions, 271 deletions
diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
index d1b691bf8e2..27e3fc4a536 100644
--- a/sound/soc/atmel/Kconfig
+++ b/sound/soc/atmel/Kconfig
@@ -1,6 +1,6 @@
config SND_ATMEL_SOC
tristate "SoC Audio for the Atmel System-on-Chip"
- depends on ARCH_AT91
+ depends on HAS_IOMEM
help
Say Y or M if you want to add support for codecs attached to
the ATMEL SSC interface. You will also need
@@ -13,6 +13,7 @@ config SND_ATMEL_SOC_PDC
config SND_ATMEL_SOC_DMA
tristate
depends on SND_ATMEL_SOC
+ select SND_SOC_GENERIC_DMAENGINE_PCM
config SND_ATMEL_SOC_SSC
tristate
@@ -24,7 +25,7 @@ config SND_ATMEL_SOC_SSC
config SND_AT91_SOC_SAM9G20_WM8731
tristate "SoC Audio support for WM8731-based At91sam9g20 evaluation board"
- depends on ATMEL_SSC && SND_ATMEL_SOC && AT91_PROGRAMMABLE_CLOCKS
+ depends on ARCH_AT91 && ATMEL_SSC && SND_ATMEL_SOC
select SND_ATMEL_SOC_PDC
select SND_ATMEL_SOC_SSC
select SND_SOC_WM8731
@@ -32,11 +33,31 @@ config SND_AT91_SOC_SAM9G20_WM8731
Say Y if you want to add support for SoC audio on WM8731-based
AT91sam9g20 evaluation board.
+config SND_ATMEL_SOC_WM8904
+ tristate "Atmel ASoC driver for boards using WM8904 codec"
+ depends on ARCH_AT91 && ATMEL_SSC && SND_ATMEL_SOC && I2C
+ select SND_ATMEL_SOC_SSC
+ select SND_ATMEL_SOC_DMA
+ select SND_SOC_WM8904
+ help
+ Say Y if you want to add support for Atmel ASoC driver for boards using
+ WM8904 codec.
+
+config SND_AT91_SOC_SAM9X5_WM8731
+ tristate "SoC Audio support for WM8731-based at91sam9x5 board"
+ depends on ATMEL_SSC && SND_ATMEL_SOC && SOC_AT91SAM9X5
+ select SND_ATMEL_SOC_SSC
+ select SND_ATMEL_SOC_DMA
+ select SND_SOC_WM8731
+ help
+ Say Y if you want to add support for audio SoC on an
+ at91sam9x5 based board that is using WM8731 codec.
+
config SND_AT91_SOC_AFEB9260
tristate "SoC Audio support for AFEB9260 board"
- depends on ATMEL_SSC && ARCH_AT91 && MACH_AFEB9260 && SND_ATMEL_SOC
+ depends on ARCH_AT91 && ATMEL_SSC && ARCH_AT91 && MACH_AFEB9260 && SND_ATMEL_SOC
select SND_ATMEL_SOC_PDC
select SND_ATMEL_SOC_SSC
- select SND_SOC_TLV320AIC23
+ select SND_SOC_TLV320AIC23_I2C
help
Say Y here to support sound on AFEB9260 board.
diff --git a/sound/soc/atmel/Makefile b/sound/soc/atmel/Makefile
index 41967ccb6f4..5baabc8bde3 100644
--- a/sound/soc/atmel/Makefile
+++ b/sound/soc/atmel/Makefile
@@ -11,6 +11,10 @@ obj-$(CONFIG_SND_ATMEL_SOC_SSC) += snd-soc-atmel_ssc_dai.o
# AT91 Machine Support
snd-soc-sam9g20-wm8731-objs := sam9g20_wm8731.o
+snd-atmel-soc-wm8904-objs := atmel_wm8904.o
+snd-soc-sam9x5-wm8731-objs := sam9x5_wm8731.o
obj-$(CONFIG_SND_AT91_SOC_SAM9G20_WM8731) += snd-soc-sam9g20-wm8731.o
+obj-$(CONFIG_SND_ATMEL_SOC_WM8904) += snd-atmel-soc-wm8904.o
+obj-$(CONFIG_SND_AT91_SOC_SAM9X5_WM8731) += snd-soc-sam9x5-wm8731.o
obj-$(CONFIG_SND_AT91_SOC_AFEB9260) += snd-soc-afeb9260.o
diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c
index 30184a4a147..b79a2a86451 100644
--- a/sound/soc/atmel/atmel-pcm-dma.c
+++ b/sound/soc/atmel/atmel-pcm-dma.c
@@ -50,7 +50,6 @@ static const struct snd_pcm_hardware atmel_pcm_dma_hardware = {
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_PAUSE,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
.period_bytes_min = 256, /* lighting DMA overhead */
.period_bytes_max = 2 * 0xffff, /* if 2 bytes format */
.periods_min = 8,
@@ -67,9 +66,10 @@ static const struct snd_pcm_hardware atmel_pcm_dma_hardware = {
static void atmel_pcm_dma_irq(u32 ssc_sr,
struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct atmel_pcm_dma_params *prtd;
- prtd = snd_dmaengine_pcm_get_data(substream);
+ prtd = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if (ssc_sr & prtd->mask->ssc_error) {
if (snd_pcm_running(substream))
@@ -80,7 +80,9 @@ static void atmel_pcm_dma_irq(u32 ssc_sr,
/* stop RX and capture: will be enabled again at restart */
ssc_writex(prtd->ssc->regs, SSC_CR, prtd->mask->ssc_disable);
+ snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(substream);
/* now drain RHR and read status to remove xrun condition */
ssc_readx(prtd->ssc->regs, SSC_RHR);
@@ -88,150 +90,52 @@ static void atmel_pcm_dma_irq(u32 ssc_sr,
}
}
-/*--------------------------------------------------------------------------*\
- * DMAENGINE operations
-\*--------------------------------------------------------------------------*/
-static bool filter(struct dma_chan *chan, void *slave)
-{
- struct at_dma_slave *sl = slave;
-
- if (sl->dma_dev == chan->device->dev) {
- chan->private = sl;
- return true;
- } else {
- return false;
- }
-}
-
static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+ struct snd_pcm_hw_params *params, struct dma_slave_config *slave_config)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct atmel_pcm_dma_params *prtd;
struct ssc_device *ssc;
- struct dma_chan *dma_chan;
- struct dma_slave_config slave_config;
int ret;
- prtd = snd_dmaengine_pcm_get_data(substream);
+ prtd = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
ssc = prtd->ssc;
- ret = snd_hwparams_to_dma_slave_config(substream, params,
- &slave_config);
+ ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config);
if (ret) {
pr_err("atmel-pcm: hwparams to dma slave configure failed\n");
return ret;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- slave_config.dst_addr = (dma_addr_t)ssc->phybase + SSC_THR;
- slave_config.dst_maxburst = 1;
+ slave_config->dst_addr = ssc->phybase + SSC_THR;
+ slave_config->dst_maxburst = 1;
} else {
- slave_config.src_addr = (dma_addr_t)ssc->phybase + SSC_RHR;
- slave_config.src_maxburst = 1;
- }
-
- slave_config.device_fc = false;
-
- dma_chan = snd_dmaengine_pcm_get_chan(substream);
- if (dmaengine_slave_config(dma_chan, &slave_config)) {
- pr_err("atmel-pcm: failed to configure dma channel\n");
- ret = -EBUSY;
- return ret;
- }
-
- return 0;
-}
-
-static int atmel_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct atmel_pcm_dma_params *prtd;
- struct ssc_device *ssc;
- struct at_dma_slave *sdata = NULL;
- int ret;
-
- snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
-
- prtd = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
- ssc = prtd->ssc;
- if (ssc->pdev)
- sdata = ssc->pdev->dev.platform_data;
-
- ret = snd_dmaengine_pcm_open(substream, filter, sdata);
- if (ret) {
- pr_err("atmel-pcm: dmaengine pcm open failed\n");
- return -EINVAL;
- }
-
- snd_dmaengine_pcm_set_data(substream, prtd);
-
- ret = atmel_pcm_configure_dma(substream, params);
- if (ret) {
- pr_err("atmel-pcm: failed to configure dmai\n");
- goto err;
+ slave_config->src_addr = ssc->phybase + SSC_RHR;
+ slave_config->src_maxburst = 1;
}
prtd->dma_intr_handler = atmel_pcm_dma_irq;
return 0;
-err:
- snd_dmaengine_pcm_close(substream);
- return ret;
-}
-
-static int atmel_pcm_dma_prepare(struct snd_pcm_substream *substream)
-{
- struct atmel_pcm_dma_params *prtd;
-
- prtd = snd_dmaengine_pcm_get_data(substream);
-
- ssc_writex(prtd->ssc->regs, SSC_IER, prtd->mask->ssc_error);
- ssc_writex(prtd->ssc->regs, SSC_CR, prtd->mask->ssc_enable);
-
- return 0;
-}
-
-static int atmel_pcm_open(struct snd_pcm_substream *substream)
-{
- snd_soc_set_runtime_hwparams(substream, &atmel_pcm_dma_hardware);
-
- return 0;
}
-static int atmel_pcm_close(struct snd_pcm_substream *substream)
-{
- snd_dmaengine_pcm_close(substream);
-
- return 0;
-}
-
-static struct snd_pcm_ops atmel_pcm_ops = {
- .open = atmel_pcm_open,
- .close = atmel_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = atmel_pcm_hw_params,
- .prepare = atmel_pcm_dma_prepare,
- .trigger = snd_dmaengine_pcm_trigger,
- .pointer = snd_dmaengine_pcm_pointer_no_residue,
- .mmap = atmel_pcm_mmap,
-};
-
-static struct snd_soc_platform_driver atmel_soc_platform = {
- .ops = &atmel_pcm_ops,
- .pcm_new = atmel_pcm_new,
- .pcm_free = atmel_pcm_free,
+static const struct snd_dmaengine_pcm_config atmel_dmaengine_pcm_config = {
+ .prepare_slave_config = atmel_pcm_configure_dma,
+ .pcm_hardware = &atmel_pcm_dma_hardware,
+ .prealloc_buffer_size = ATMEL_SSC_DMABUF_SIZE,
};
int atmel_pcm_dma_platform_register(struct device *dev)
{
- return snd_soc_register_platform(dev, &atmel_soc_platform);
+ return snd_dmaengine_pcm_register(dev, &atmel_dmaengine_pcm_config,
+ SND_DMAENGINE_PCM_FLAG_NO_RESIDUE);
}
EXPORT_SYMBOL(atmel_pcm_dma_platform_register);
void atmel_pcm_dma_platform_unregister(struct device *dev)
{
- snd_soc_unregister_platform(dev);
+ snd_dmaengine_pcm_unregister(dev);
}
EXPORT_SYMBOL(atmel_pcm_dma_platform_unregister);
diff --git a/sound/soc/atmel/atmel-pcm-pdc.c b/sound/soc/atmel/atmel-pcm-pdc.c
index 6a293c713a3..a366b3503c2 100644
--- a/sound/soc/atmel/atmel-pcm-pdc.c
+++ b/sound/soc/atmel/atmel-pcm-pdc.c
@@ -58,7 +58,6 @@ static const struct snd_pcm_hardware atmel_pcm_hardware = {
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
.period_bytes_min = 32,
.period_bytes_max = 8192,
.periods_min = 2,
@@ -77,12 +76,6 @@ struct atmel_runtime_data {
size_t period_size;
dma_addr_t period_ptr; /* physical address of next period */
-
- /* PDC register save */
- u32 pdc_xpr_save;
- u32 pdc_xcr_save;
- u32 pdc_xnpr_save;
- u32 pdc_xncr_save;
};
/*--------------------------------------------------------------------------*\
@@ -159,7 +152,7 @@ static int atmel_pcm_hw_params(struct snd_pcm_substream *substream,
pr_debug("atmel-pcm: "
"hw_params: DMA for %s initialized "
- "(dma_bytes=%u, period_size=%u)\n",
+ "(dma_bytes=%zu, period_size=%zu)\n",
prtd->params->name,
runtime->dma_bytes,
prtd->period_size);
@@ -201,7 +194,7 @@ static int atmel_pcm_trigger(struct snd_pcm_substream *substream,
int ret = 0;
pr_debug("atmel-pcm:buffer_size = %ld,"
- "dma_area = %p, dma_bytes = %u\n",
+ "dma_area = %p, dma_bytes = %zu\n",
rtd->buffer_size, rtd->dma_area, rtd->dma_bytes);
switch (cmd) {
@@ -321,67 +314,10 @@ static struct snd_pcm_ops atmel_pcm_ops = {
.mmap = atmel_pcm_mmap,
};
-
-/*--------------------------------------------------------------------------*\
- * ASoC platform driver
-\*--------------------------------------------------------------------------*/
-#ifdef CONFIG_PM
-static int atmel_pcm_suspend(struct snd_soc_dai *dai)
-{
- struct snd_pcm_runtime *runtime = dai->runtime;
- struct atmel_runtime_data *prtd;
- struct atmel_pcm_dma_params *params;
-
- if (!runtime)
- return 0;
-
- prtd = runtime->private_data;
- params = prtd->params;
-
- /* disable the PDC and save the PDC registers */
-
- ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_disable);
-
- prtd->pdc_xpr_save = ssc_readx(params->ssc->regs, params->pdc->xpr);
- prtd->pdc_xcr_save = ssc_readx(params->ssc->regs, params->pdc->xcr);
- prtd->pdc_xnpr_save = ssc_readx(params->ssc->regs, params->pdc->xnpr);
- prtd->pdc_xncr_save = ssc_readx(params->ssc->regs, params->pdc->xncr);
-
- return 0;
-}
-
-static int atmel_pcm_resume(struct snd_soc_dai *dai)
-{
- struct snd_pcm_runtime *runtime = dai->runtime;
- struct atmel_runtime_data *prtd;
- struct atmel_pcm_dma_params *params;
-
- if (!runtime)
- return 0;
-
- prtd = runtime->private_data;
- params = prtd->params;
-
- /* restore the PDC registers and enable the PDC */
- ssc_writex(params->ssc->regs, params->pdc->xpr, prtd->pdc_xpr_save);
- ssc_writex(params->ssc->regs, params->pdc->xcr, prtd->pdc_xcr_save);
- ssc_writex(params->ssc->regs, params->pdc->xnpr, prtd->pdc_xnpr_save);
- ssc_writex(params->ssc->regs, params->pdc->xncr, prtd->pdc_xncr_save);
-
- ssc_writel(params->ssc->regs, PDC_PTCR, params->mask->pdc_enable);
- return 0;
-}
-#else
-#define atmel_pcm_suspend NULL
-#define atmel_pcm_resume NULL
-#endif
-
static struct snd_soc_platform_driver atmel_soc_platform = {
.ops = &atmel_pcm_ops,
.pcm_new = atmel_pcm_new,
.pcm_free = atmel_pcm_free,
- .suspend = atmel_pcm_suspend,
- .resume = atmel_pcm_resume,
};
int atmel_pcm_pdc_platform_register(struct device *dev)
diff --git a/sound/soc/atmel/atmel-pcm.c b/sound/soc/atmel/atmel-pcm.c
index e99f1811300..8ae3fa5ac60 100644
--- a/sound/soc/atmel/atmel-pcm.c
+++ b/sound/soc/atmel/atmel-pcm.c
@@ -49,8 +49,8 @@ static int atmel_pcm_preallocate_dma_buffer(struct snd_pcm *pcm,
buf->private_data = NULL;
buf->area = dma_alloc_coherent(pcm->card->dev, size,
&buf->addr, GFP_KERNEL);
- pr_debug("atmel-pcm: alloc dma buffer: area=%p, addr=%p, size=%d\n",
- (void *)buf->area, (void *)buf->addr, size);
+ pr_debug("atmel-pcm: alloc dma buffer: area=%p, addr=%p, size=%zu\n",
+ (void *)buf->area, (void *)(long)buf->addr, size);
if (!buf->area)
return -ENOMEM;
@@ -68,18 +68,15 @@ int atmel_pcm_mmap(struct snd_pcm_substream *substream,
}
EXPORT_SYMBOL_GPL(atmel_pcm_mmap);
-static u64 atmel_pcm_dmamask = DMA_BIT_MASK(32);
-
int atmel_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
struct snd_pcm *pcm = rtd->pcm;
- int ret = 0;
+ int ret;
- if (!card->dev->dma_mask)
- card->dev->dma_mask = &atmel_pcm_dmamask;
- if (!card->dev->coherent_dma_mask)
- card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+ ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
pr_debug("atmel-pcm: allocating PCM playback DMA buffer\n");
diff --git a/sound/soc/atmel/atmel-pcm.h b/sound/soc/atmel/atmel-pcm.h
index bb45d20e725..12ae814eff2 100644
--- a/sound/soc/atmel/atmel-pcm.h
+++ b/sound/soc/atmel/atmel-pcm.h
@@ -88,7 +88,8 @@ void atmel_pcm_free(struct snd_pcm *pcm);
int atmel_pcm_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma);
-#ifdef CONFIG_SND_ATMEL_SOC_PDC
+#if defined(CONFIG_SND_ATMEL_SOC_PDC) || \
+ defined(CONFIG_SND_ATMEL_SOC_PDC_MODULE)
int atmel_pcm_pdc_platform_register(struct device *dev);
void atmel_pcm_pdc_platform_unregister(struct device *dev);
#else
@@ -101,7 +102,8 @@ static inline void atmel_pcm_pdc_platform_unregister(struct device *dev)
}
#endif
-#ifdef CONFIG_SND_ATMEL_SOC_DMA
+#if defined(CONFIG_SND_ATMEL_SOC_DMA) || \
+ defined(CONFIG_SND_ATMEL_SOC_DMA_MODULE)
int atmel_pcm_dma_platform_register(struct device *dev);
void atmel_pcm_dma_platform_unregister(struct device *dev);
#else
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index 1c766342205..de433cfd044 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -42,8 +42,6 @@
#include <sound/initval.h>
#include <sound/soc.h>
-#include <mach/hardware.h>
-
#include "atmel-pcm.h"
#include "atmel_ssc_dai.h"
@@ -75,6 +73,7 @@ static struct atmel_ssc_mask ssc_tx_mask = {
.ssc_disable = SSC_BIT(CR_TXDIS),
.ssc_endx = SSC_BIT(SR_ENDTX),
.ssc_endbuf = SSC_BIT(SR_TXBUFE),
+ .ssc_error = SSC_BIT(SR_OVRUN),
.pdc_enable = ATMEL_PDC_TXTEN,
.pdc_disable = ATMEL_PDC_TXTDIS,
};
@@ -84,6 +83,7 @@ static struct atmel_ssc_mask ssc_rx_mask = {
.ssc_disable = SSC_BIT(CR_RXDIS),
.ssc_endx = SSC_BIT(SR_ENDRX),
.ssc_endbuf = SSC_BIT(SR_RXBUFF),
+ .ssc_error = SSC_BIT(SR_OVRUN),
.pdc_enable = ATMEL_PDC_RXTEN,
.pdc_disable = ATMEL_PDC_RXTDIS,
};
@@ -198,15 +198,27 @@ static int atmel_ssc_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];
- int dir_mask;
+ struct atmel_pcm_dma_params *dma_params;
+ int dir, dir_mask;
pr_debug("atmel_ssc_startup: SSC_SR=0x%u\n",
ssc_readl(ssc_p->ssc->regs, SR));
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ dir = 0;
dir_mask = SSC_DIR_MASK_PLAYBACK;
- else
+ } else {
+ dir = 1;
dir_mask = SSC_DIR_MASK_CAPTURE;
+ }
+
+ dma_params = &ssc_dma_params[dai->id][dir];
+ dma_params->ssc = ssc_p->ssc;
+ dma_params->substream = substream;
+
+ ssc_p->dma_params[dir] = dma_params;
+
+ snd_soc_dai_set_dma_data(dai, substream, dma_params);
spin_lock_irq(&ssc_p->lock);
if (ssc_p->dir_mask & dir_mask) {
@@ -327,9 +339,9 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
int id = dai->id;
struct atmel_ssc_info *ssc_p = &ssc_info[id];
+ struct ssc_device *ssc = ssc_p->ssc;
struct atmel_pcm_dma_params *dma_params;
int dir, channels, bits;
u32 tfmr, rfmr, tcmr, rcmr;
@@ -346,19 +358,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
else
dir = 1;
- dma_params = &ssc_dma_params[id][dir];
- dma_params->ssc = ssc_p->ssc;
- dma_params->substream = substream;
-
- ssc_p->dma_params[dir] = dma_params;
-
- /*
- * The snd_soc_pcm_stream->dma_data field is only used to communicate
- * the appropriate DMA parameters to the pcm driver hw_params()
- * function. It should not be used for other purposes
- * as it is common to all substreams.
- */
- snd_soc_dai_set_dma_data(rtd->cpu_dai, substream, dma_params);
+ dma_params = ssc_p->dma_params[dir];
channels = params_channels(params);
@@ -467,7 +467,8 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
| SSC_BF(RCMR_START, start_event)
| SSC_BF(RCMR_CKI, SSC_CKI_RISING)
| SSC_BF(RCMR_CKO, SSC_CKO_NONE)
- | SSC_BF(RCMR_CKS, SSC_CKS_CLOCK);
+ | SSC_BF(RCMR_CKS, ssc->clk_from_rk_pin ?
+ SSC_CKS_PIN : SSC_CKS_CLOCK);
rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
| SSC_BF(RFMR_FSOS, SSC_FSOS_NONE)
@@ -482,7 +483,8 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
| SSC_BF(TCMR_START, start_event)
| SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
| SSC_BF(TCMR_CKO, SSC_CKO_NONE)
- | SSC_BF(TCMR_CKS, SSC_CKS_PIN);
+ | SSC_BF(TCMR_CKS, ssc->clk_from_rk_pin ?
+ SSC_CKS_CLOCK : SSC_CKS_PIN);
tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
| SSC_BF(TFMR_FSDEN, 0)
@@ -535,6 +537,51 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
break;
case SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_CBM_CFM:
+ /*
+ * DSP/PCM Mode A format, CODEC supplies BCLK and LRC clocks.
+ *
+ * The SSC transmit clock is obtained from the BCLK signal on
+ * on the TK line, and the SSC receive clock is
+ * generated from the transmit clock.
+ *
+ * Data is transferred on first BCLK after LRC pulse rising
+ * edge.If stereo, the right channel data is contiguous with
+ * the left channel data.
+ */
+ rcmr = SSC_BF(RCMR_PERIOD, 0)
+ | SSC_BF(RCMR_STTDLY, START_DELAY)
+ | SSC_BF(RCMR_START, SSC_START_RISING_RF)
+ | SSC_BF(RCMR_CKI, SSC_CKI_RISING)
+ | SSC_BF(RCMR_CKO, SSC_CKO_NONE)
+ | SSC_BF(RCMR_CKS, ssc->clk_from_rk_pin ?
+ SSC_CKS_PIN : SSC_CKS_CLOCK);
+
+ rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
+ | SSC_BF(RFMR_FSOS, SSC_FSOS_NONE)
+ | SSC_BF(RFMR_FSLEN, 0)
+ | SSC_BF(RFMR_DATNB, (channels - 1))
+ | SSC_BIT(RFMR_MSBF)
+ | SSC_BF(RFMR_LOOP, 0)
+ | SSC_BF(RFMR_DATLEN, (bits - 1));
+
+ tcmr = SSC_BF(TCMR_PERIOD, 0)
+ | SSC_BF(TCMR_STTDLY, START_DELAY)
+ | SSC_BF(TCMR_START, SSC_START_RISING_RF)
+ | SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
+ | SSC_BF(TCMR_CKO, SSC_CKO_NONE)
+ | SSC_BF(RCMR_CKS, ssc->clk_from_rk_pin ?
+ SSC_CKS_CLOCK : SSC_CKS_PIN);
+
+ tfmr = SSC_BF(TFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
+ | SSC_BF(TFMR_FSDEN, 0)
+ | SSC_BF(TFMR_FSOS, SSC_FSOS_NONE)
+ | SSC_BF(TFMR_FSLEN, 0)
+ | SSC_BF(TFMR_DATNB, (channels - 1))
+ | SSC_BIT(TFMR_MSBF)
+ | SSC_BF(TFMR_DATDEF, 0)
+ | SSC_BF(TFMR_DATLEN, (bits - 1));
+ break;
+
default:
printk(KERN_WARNING "atmel_ssc_dai: unsupported DAI format 0x%x\n",
ssc_p->daifmt);
@@ -606,7 +653,8 @@ static int atmel_ssc_prepare(struct snd_pcm_substream *substream,
dma_params = ssc_p->dma_params[dir];
- ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_enable);
+ ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_disable);
+ ssc_writel(ssc_p->ssc->regs, IDR, dma_params->mask->ssc_error);
pr_debug("%s enabled SSC_SR=0x%08x\n",
dir ? "receive" : "transmit",
@@ -614,6 +662,33 @@ static int atmel_ssc_prepare(struct snd_pcm_substream *substream,
return 0;
}
+static int atmel_ssc_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];
+ struct atmel_pcm_dma_params *dma_params;
+ int dir;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dir = 0;
+ else
+ dir = 1;
+
+ dma_params = ssc_p->dma_params[dir];
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_enable);
+ break;
+ default:
+ ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_disable);
+ break;
+ }
+
+ return 0;
+}
#ifdef CONFIG_PM
static int atmel_ssc_suspend(struct snd_soc_dai *cpu_dai)
@@ -679,15 +754,6 @@ static int atmel_ssc_resume(struct snd_soc_dai *cpu_dai)
# define atmel_ssc_resume NULL
#endif /* CONFIG_PM */
-static int atmel_ssc_probe(struct snd_soc_dai *dai)
-{
- struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];
-
- snd_soc_dai_set_drvdata(dai, ssc_p);
-
- return 0;
-}
-
#define ATMEL_SSC_RATES (SNDRV_PCM_RATE_8000_96000)
#define ATMEL_SSC_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
@@ -697,13 +763,13 @@ static const struct snd_soc_dai_ops atmel_ssc_dai_ops = {
.startup = atmel_ssc_startup,
.shutdown = atmel_ssc_shutdown,
.prepare = atmel_ssc_prepare,
+ .trigger = atmel_ssc_trigger,
.hw_params = atmel_ssc_hw_params,
.set_fmt = atmel_ssc_set_dai_fmt,
.set_clkdiv = atmel_ssc_set_dai_clkdiv,
};
static struct snd_soc_dai_driver atmel_ssc_dai = {
- .probe = atmel_ssc_probe,
.suspend = atmel_ssc_suspend,
.resume = atmel_ssc_resume,
.playback = {
@@ -719,13 +785,18 @@ static struct snd_soc_dai_driver atmel_ssc_dai = {
.ops = &atmel_ssc_dai_ops,
};
+static const struct snd_soc_component_driver atmel_ssc_component = {
+ .name = "atmel-ssc",
+};
+
static int asoc_ssc_init(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct ssc_device *ssc = platform_get_drvdata(pdev);
int ret;
- ret = snd_soc_register_dai(dev, &atmel_ssc_dai);
+ ret = snd_soc_register_component(dev, &atmel_ssc_component,
+ &atmel_ssc_dai, 1);
if (ret) {
dev_err(dev, "Could not register DAI: %d\n", ret);
goto err;
@@ -739,12 +810,12 @@ static int asoc_ssc_init(struct device *dev)
if (ret) {
dev_err(dev, "Could not register PCM: %d\n", ret);
goto err_unregister_dai;
- };
+ }
return 0;
err_unregister_dai:
- snd_soc_unregister_dai(dev);
+ snd_soc_unregister_component(dev);
err:
return ret;
}
@@ -759,7 +830,7 @@ static void asoc_ssc_exit(struct device *dev)
else
atmel_pcm_pdc_platform_unregister(dev);
- snd_soc_unregister_dai(dev);
+ snd_soc_unregister_component(dev);
}
/**
@@ -790,8 +861,8 @@ void atmel_ssc_put_audio(int ssc_id)
{
struct ssc_device *ssc = ssc_info[ssc_id].ssc;
- ssc_free(ssc);
asoc_ssc_exit(&ssc->pdev->dev);
+ ssc_free(ssc);
}
EXPORT_SYMBOL_GPL(atmel_ssc_put_audio);
diff --git a/sound/soc/atmel/atmel_wm8904.c b/sound/soc/atmel/atmel_wm8904.c
new file mode 100644
index 00000000000..b4e36901a40
--- /dev/null
+++ b/sound/soc/atmel/atmel_wm8904.c
@@ -0,0 +1,246 @@
+/*
+ * atmel_wm8904 - Atmel ASoC driver for boards with WM8904 codec.
+ *
+ * Copyright (C) 2012 Atmel
+ *
+ * Author: Bo Shen <voice.shen@atmel.com>
+ *
+ * GPLv2 or later
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+
+#include <sound/soc.h>
+
+#include "../codecs/wm8904.h"
+#include "atmel_ssc_dai.h"
+
+#define MCLK_RATE 32768
+
+static struct clk *mclk;
+
+static const struct snd_soc_dapm_widget atmel_asoc_wm8904_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Mic", NULL),
+ SND_SOC_DAPM_LINE("Line In Jack", NULL),
+};
+
+static int atmel_asoc_wm8904_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_pll(codec_dai, WM8904_FLL_MCLK, WM8904_FLL_MCLK,
+ 32768, params_rate(params) * 256);
+ if (ret < 0) {
+ pr_err("%s - failed to set wm8904 codec PLL.", __func__);
+ return ret;
+ }
+
+ /*
+ * As here wm8904 use FLL output as its system clock
+ * so calling set_sysclk won't care freq parameter
+ * then we pass 0
+ */
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8904_CLK_FLL,
+ 0, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ pr_err("%s -failed to set wm8904 SYSCLK\n", __func__);
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct snd_soc_ops atmel_asoc_wm8904_ops = {
+ .hw_params = atmel_asoc_wm8904_hw_params,
+};
+
+static int atmel_set_bias_level(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ clk_prepare_enable(mclk);
+ break;
+ case SND_SOC_BIAS_OFF:
+ clk_disable_unprepare(mclk);
+ break;
+ default:
+ break;
+ }
+ }
+
+ return 0;
+};
+
+static struct snd_soc_dai_link atmel_asoc_wm8904_dailink = {
+ .name = "WM8904",
+ .stream_name = "WM8904 PCM",
+ .codec_dai_name = "wm8904-hifi",
+ .dai_fmt = SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .ops = &atmel_asoc_wm8904_ops,
+};
+
+static struct snd_soc_card atmel_asoc_wm8904_card = {
+ .name = "atmel_asoc_wm8904",
+ .owner = THIS_MODULE,
+ .set_bias_level = atmel_set_bias_level,
+ .dai_link = &atmel_asoc_wm8904_dailink,
+ .num_links = 1,
+ .dapm_widgets = atmel_asoc_wm8904_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(atmel_asoc_wm8904_dapm_widgets),
+ .fully_routed = true,
+};
+
+static int atmel_asoc_wm8904_dt_init(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *codec_np, *cpu_np;
+ struct snd_soc_card *card = &atmel_asoc_wm8904_card;
+ struct snd_soc_dai_link *dailink = &atmel_asoc_wm8904_dailink;
+ int ret;
+
+ if (!np) {
+ dev_err(&pdev->dev, "only device tree supported\n");
+ return -EINVAL;
+ }
+
+ ret = snd_soc_of_parse_card_name(card, "atmel,model");
+ if (ret) {
+ dev_err(&pdev->dev, "failed to parse card name\n");
+ return ret;
+ }
+
+ ret = snd_soc_of_parse_audio_routing(card, "atmel,audio-routing");
+ if (ret) {
+ dev_err(&pdev->dev, "failed to parse audio routing\n");
+ return ret;
+ }
+
+ cpu_np = of_parse_phandle(np, "atmel,ssc-controller", 0);
+ if (!cpu_np) {
+ dev_err(&pdev->dev, "failed to get dai and pcm info\n");
+ ret = -EINVAL;
+ return ret;
+ }
+ dailink->cpu_of_node = cpu_np;
+ dailink->platform_of_node = cpu_np;
+ of_node_put(cpu_np);
+
+ codec_np = of_parse_phandle(np, "atmel,audio-codec", 0);
+ if (!codec_np) {
+ dev_err(&pdev->dev, "failed to get codec info\n");
+ ret = -EINVAL;
+ return ret;
+ }
+ dailink->codec_of_node = codec_np;
+ of_node_put(codec_np);
+
+ return 0;
+}
+
+static int atmel_asoc_wm8904_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &atmel_asoc_wm8904_card;
+ struct snd_soc_dai_link *dailink = &atmel_asoc_wm8904_dailink;
+ struct clk *clk_src;
+ int id, ret;
+
+ card->dev = &pdev->dev;
+ ret = atmel_asoc_wm8904_dt_init(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to init dt info\n");
+ return ret;
+ }
+
+ id = of_alias_get_id((struct device_node *)dailink->cpu_of_node, "ssc");
+ ret = atmel_ssc_set_audio(id);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "failed to set SSC %d for audio\n", id);
+ return ret;
+ }
+
+ mclk = clk_get(NULL, "pck0");
+ if (IS_ERR(mclk)) {
+ dev_err(&pdev->dev, "failed to get pck0\n");
+ ret = PTR_ERR(mclk);
+ goto err_set_audio;
+ }
+
+ clk_src = clk_get(NULL, "clk32k");
+ if (IS_ERR(clk_src)) {
+ dev_err(&pdev->dev, "failed to get clk32k\n");
+ ret = PTR_ERR(clk_src);
+ goto err_set_audio;
+ }
+
+ ret = clk_set_parent(mclk, clk_src);
+ clk_put(clk_src);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "failed to set MCLK parent\n");
+ goto err_set_audio;
+ }
+
+ dev_info(&pdev->dev, "setting pck0 to %dHz\n", MCLK_RATE);
+ clk_set_rate(mclk, MCLK_RATE);
+
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed\n");
+ goto err_set_audio;
+ }
+
+ return 0;
+
+err_set_audio:
+ atmel_ssc_put_audio(id);
+ return ret;
+}
+
+static int atmel_asoc_wm8904_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct snd_soc_dai_link *dailink = &atmel_asoc_wm8904_dailink;
+ int id;
+
+ id = of_alias_get_id((struct device_node *)dailink->cpu_of_node, "ssc");
+
+ snd_soc_unregister_card(card);
+ atmel_ssc_put_audio(id);
+
+ return 0;
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id atmel_asoc_wm8904_dt_ids[] = {
+ { .compatible = "atmel,asoc-wm8904", },
+ { }
+};
+#endif
+
+static struct platform_driver atmel_asoc_wm8904_driver = {
+ .driver = {
+ .name = "atmel-wm8904-audio",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(atmel_asoc_wm8904_dt_ids),
+ },
+ .probe = atmel_asoc_wm8904_probe,
+ .remove = atmel_asoc_wm8904_remove,
+};
+
+module_platform_driver(atmel_asoc_wm8904_driver);
+
+/* Module information */
+MODULE_AUTHOR("Bo Shen <voice.shen@atmel.com>");
+MODULE_DESCRIPTION("ALSA SoC machine driver for Atmel EK with WM8904 codec");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
index da976291da9..bb1149126c5 100644
--- a/sound/soc/atmel/sam9g20_wm8731.c
+++ b/sound/soc/atmel/sam9g20_wm8731.c
@@ -37,8 +37,7 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
-
-#include <linux/pinctrl/consumer.h>
+#include <linux/of.h>
#include <linux/atmel-ssc.h>
@@ -49,7 +48,6 @@
#include <asm/mach-types.h>
#include <mach/hardware.h>
-#include <mach/gpio.h>
#include "../codecs/wm8731.h"
#include "atmel-pcm.h"
@@ -156,25 +154,14 @@ static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd)
return ret;
}
- /* Add specific widgets */
- snd_soc_dapm_new_controls(dapm, at91sam9g20ek_dapm_widgets,
- ARRAY_SIZE(at91sam9g20ek_dapm_widgets));
- /* Set up specific audio path interconnects */
- snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
-
/* not connected */
snd_soc_dapm_nc_pin(dapm, "RLINEIN");
snd_soc_dapm_nc_pin(dapm, "LLINEIN");
-#ifdef ENABLE_MIC_INPUT
- snd_soc_dapm_enable_pin(dapm, "Int Mic");
-#else
- snd_soc_dapm_nc_pin(dapm, "Int Mic");
+#ifndef ENABLE_MIC_INPUT
+ snd_soc_dapm_nc_pin(&rtd->card->dapm, "Int Mic");
#endif
- /* always connected */
- snd_soc_dapm_enable_pin(dapm, "Ext Spk");
-
return 0;
}
@@ -195,6 +182,11 @@ static struct snd_soc_card snd_soc_at91sam9g20ek = {
.dai_link = &at91sam9g20ek_dai,
.num_links = 1,
.set_bias_level = at91sam9g20ek_set_bias_level,
+
+ .dapm_widgets = at91sam9g20ek_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(at91sam9g20ek_dapm_widgets),
+ .dapm_routes = intercon,
+ .num_dapm_routes = ARRAY_SIZE(intercon),
};
static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
@@ -203,15 +195,8 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
struct device_node *codec_np, *cpu_np;
struct clk *pllb;
struct snd_soc_card *card = &snd_soc_at91sam9g20ek;
- struct pinctrl *pinctrl;
int ret;
- pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
- if (IS_ERR(pinctrl)) {
- dev_err(&pdev->dev, "Failed to request pinctrl for mck\n");
- return PTR_ERR(pinctrl);
- }
-
if (!np) {
if (!(machine_is_at91sam9g20ek() ||
machine_is_at91sam9g20ek_2mmc()))
@@ -305,10 +290,10 @@ static int at91sam9g20ek_audio_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
- atmel_ssc_put_audio(0);
- snd_soc_unregister_card(card);
- clk_put(mclk);
+ clk_disable(mclk);
mclk = NULL;
+ snd_soc_unregister_card(card);
+ atmel_ssc_put_audio(0);
return 0;
}
diff --git a/sound/soc/atmel/sam9x5_wm8731.c b/sound/soc/atmel/sam9x5_wm8731.c
new file mode 100644
index 00000000000..3188036a18f
--- /dev/null
+++ b/sound/soc/atmel/sam9x5_wm8731.c
@@ -0,0 +1,208 @@
+/*
+ * sam9x5_wm8731 -- SoC audio for AT91SAM9X5-based boards
+ * that are using WM8731 as codec.
+ *
+ * Copyright (C) 2011 Atmel,
+ * Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Copyright (C) 2013 Paratronic,
+ * Richard Genoud <richard.genoud@gmail.com>
+ *
+ * Based on sam9g20_wm8731.c by:
+ * Sedji Gaouaou <sedji.gaouaou@atmel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/of.h>
+#include <linux/export.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/platform_device.h>
+#include <linux/device.h>
+
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+#include <sound/soc-dapm.h>
+
+#include "../codecs/wm8731.h"
+#include "atmel_ssc_dai.h"
+
+
+#define MCLK_RATE 12288000
+
+#define DRV_NAME "sam9x5-snd-wm8731"
+
+struct sam9x5_drvdata {
+ int ssc_id;
+};
+
+/*
+ * Logic for a wm8731 as connected on a at91sam9x5ek based board.
+ */
+static int sam9x5_wm8731_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct device *dev = rtd->dev;
+ int ret;
+
+ dev_dbg(dev, "ASoC: %s called\n", __func__);
+
+ /* set the codec system clock for DAC and ADC */
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
+ MCLK_RATE, SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(dev, "ASoC: Failed to set WM8731 SYSCLK: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/*
+ * Audio paths on at91sam9x5ek board:
+ *
+ * |A| ------------> | | ---R----> Headphone Jack
+ * |T| <----\ | WM | ---L--/
+ * |9| ---> CLK <--> | 8731 | <--R----- Line In Jack
+ * |1| <------------ | | <--L--/
+ */
+static const struct snd_soc_dapm_widget sam9x5_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_LINE("Line In Jack", NULL),
+};
+
+static int sam9x5_wm8731_driver_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *codec_np, *cpu_np;
+ struct snd_soc_card *card;
+ struct snd_soc_dai_link *dai;
+ struct sam9x5_drvdata *priv;
+ int ret;
+
+ if (!np) {
+ dev_err(&pdev->dev, "No device node supplied\n");
+ return -EINVAL;
+ }
+
+ card = devm_kzalloc(&pdev->dev, sizeof(*card), GFP_KERNEL);
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ dai = devm_kzalloc(&pdev->dev, sizeof(*dai), GFP_KERNEL);
+ if (!dai || !card || !priv) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ snd_soc_card_set_drvdata(card, priv);
+
+ card->dev = &pdev->dev;
+ card->owner = THIS_MODULE;
+ card->dai_link = dai;
+ card->num_links = 1;
+ card->dapm_widgets = sam9x5_dapm_widgets;
+ card->num_dapm_widgets = ARRAY_SIZE(sam9x5_dapm_widgets);
+ dai->name = "WM8731";
+ dai->stream_name = "WM8731 PCM";
+ dai->codec_dai_name = "wm8731-hifi";
+ dai->init = sam9x5_wm8731_init;
+ dai->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM;
+
+ ret = snd_soc_of_parse_card_name(card, "atmel,model");
+ if (ret) {
+ dev_err(&pdev->dev, "atmel,model node missing\n");
+ goto out;
+ }
+
+ ret = snd_soc_of_parse_audio_routing(card, "atmel,audio-routing");
+ if (ret) {
+ dev_err(&pdev->dev, "atmel,audio-routing node missing\n");
+ goto out;
+ }
+
+ codec_np = of_parse_phandle(np, "atmel,audio-codec", 0);
+ if (!codec_np) {
+ dev_err(&pdev->dev, "atmel,audio-codec node missing\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ dai->codec_of_node = codec_np;
+
+ cpu_np = of_parse_phandle(np, "atmel,ssc-controller", 0);
+ if (!cpu_np) {
+ dev_err(&pdev->dev, "atmel,ssc-controller node missing\n");
+ ret = -EINVAL;
+ goto out;
+ }
+ dai->cpu_of_node = cpu_np;
+ dai->platform_of_node = cpu_np;
+
+ priv->ssc_id = of_alias_get_id(cpu_np, "ssc");
+
+ ret = atmel_ssc_set_audio(priv->ssc_id);
+ if (ret != 0) {
+ dev_err(&pdev->dev,
+ "ASoC: Failed to set SSC %d for audio: %d\n",
+ ret, priv->ssc_id);
+ goto out;
+ }
+
+ of_node_put(codec_np);
+ of_node_put(cpu_np);
+
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "ASoC: Platform device allocation failed\n");
+ goto out_put_audio;
+ }
+
+ dev_dbg(&pdev->dev, "ASoC: %s ok\n", __func__);
+
+ return ret;
+
+out_put_audio:
+ atmel_ssc_put_audio(priv->ssc_id);
+out:
+ return ret;
+}
+
+static int sam9x5_wm8731_driver_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct sam9x5_drvdata *priv = card->drvdata;
+
+ snd_soc_unregister_card(card);
+ atmel_ssc_put_audio(priv->ssc_id);
+
+ return 0;
+}
+
+static const struct of_device_id sam9x5_wm8731_of_match[] = {
+ { .compatible = "atmel,sam9x5-wm8731-audio", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, sam9x5_wm8731_of_match);
+
+static struct platform_driver sam9x5_wm8731_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(sam9x5_wm8731_of_match),
+ },
+ .probe = sam9x5_wm8731_driver_probe,
+ .remove = sam9x5_wm8731_driver_remove,
+};
+module_platform_driver(sam9x5_wm8731_driver);
+
+/* Module information */
+MODULE_AUTHOR("Nicolas Ferre <nicolas.ferre@atmel.com>");
+MODULE_AUTHOR("Richard Genoud <richard.genoud@gmail.com>");
+MODULE_DESCRIPTION("ALSA SoC machine driver for AT91SAM9x5 - WM8731");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/sound/soc/atmel/snd-soc-afeb9260.c b/sound/soc/atmel/snd-soc-afeb9260.c
index f65f08beac3..9579799ace5 100644
--- a/sound/soc/atmel/snd-soc-afeb9260.c
+++ b/sound/soc/atmel/snd-soc-afeb9260.c
@@ -80,17 +80,6 @@ static const struct snd_soc_dapm_route afeb9260_audio_map[] = {
{"MICIN", NULL, "Mic Jack"},
};
-static int afeb9260_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_codec *codec = rtd->codec;
- struct snd_soc_dapm_context *dapm = &codec->dapm;
-
- snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
- snd_soc_dapm_enable_pin(dapm, "Line In");
- snd_soc_dapm_enable_pin(dapm, "Mic Jack");
-
- return 0;
-}
/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link afeb9260_dai = {
@@ -100,7 +89,6 @@ static struct snd_soc_dai_link afeb9260_dai = {
.codec_dai_name = "tlv320aic23-hifi",
.platform_name = "atmel_pcm-audio",
.codec_name = "tlv320aic23-codec.0-001a",
- .init = afeb9260_tlv320aic23_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF |
SND_SOC_DAIFMT_CBM_CFM,
.ops = &afeb9260_ops,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 19:14:39 +0000