mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
143 lines
4.7 KiB
Diff
143 lines
4.7 KiB
Diff
--- a/sound/soc/s3c24xx/Kconfig
|
|
+++ b/sound/soc/s3c24xx/Kconfig
|
|
@@ -42,10 +42,20 @@ config SND_S3C24XX_SOC_JIVE_WM8750
|
|
tristate "SoC I2S Audio support for Jive"
|
|
depends on SND_S3C24XX_SOC && MACH_JIVE
|
|
select SND_SOC_WM8750
|
|
+ select SND_SOC_WM8750_SPI
|
|
select SND_S3C2412_SOC_I2S
|
|
help
|
|
Sat Y if you want to add support for SoC audio on the Jive.
|
|
|
|
+config SND_S3C24XX_SOC_NEO1973_GTA02_WM8753
|
|
+ tristate "SoC I2S Audio support for Openmoko Freerunner - WM8753"
|
|
+ depends on SND_S3C24XX_SOC && MACH_NEO1973_GTA02
|
|
+ select SND_S3C24XX_SOC_I2S
|
|
+ select SND_SOC_WM8753
|
|
+ help
|
|
+ Say Y if you want to add support for SoC audio on Openmoko Freerunner
|
|
+ with the WM8753 codec
|
|
+
|
|
config SND_S3C24XX_SOC_SMDK2443_WM9710
|
|
tristate "SoC AC97 Audio support for SMDK2443 - WM9710"
|
|
depends on SND_S3C24XX_SOC && MACH_SMDK2443
|
|
--- a/sound/soc/s3c24xx/Makefile
|
|
+++ b/sound/soc/s3c24xx/Makefile
|
|
@@ -19,9 +19,11 @@ snd-soc-neo1973-wm8753-objs := neo1973_w
|
|
snd-soc-smdk2443-wm9710-objs := smdk2443_wm9710.o
|
|
snd-soc-ln2440sbc-alc650-objs := ln2440sbc_alc650.o
|
|
snd-soc-s3c24xx-uda134x-objs := s3c24xx_uda134x.o
|
|
+snd-soc-neo1973-gta02-wm8753-objs := gta02_wm8753.o
|
|
|
|
obj-$(CONFIG_SND_S3C24XX_SOC_JIVE_WM8750) += snd-soc-jive-wm8750.o
|
|
obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
|
|
obj-$(CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710) += snd-soc-smdk2443-wm9710.o
|
|
obj-$(CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650) += snd-soc-ln2440sbc-alc650.o
|
|
obj-$(CONFIG_SND_S3C24XX_SOC_S3C24XX_UDA134X) += snd-soc-s3c24xx-uda134x.o
|
|
+obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753) += snd-soc-neo1973-gta02-wm8753.o
|
|
--- a/sound/soc/s3c24xx/s3c24xx-i2s.c
|
|
+++ b/sound/soc/s3c24xx/s3c24xx-i2s.c
|
|
@@ -284,11 +284,14 @@ static int s3c24xx_i2s_trigger(struct sn
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
|
- if (!s3c24xx_snd_is_clkmaster()) {
|
|
- ret = s3c24xx_snd_lrsync();
|
|
- if (ret)
|
|
- goto exit_err;
|
|
- }
|
|
+ if (!s3c24xx_snd_is_clkmaster())
|
|
+ /* we ignore the return code, if it sync'd then fine,
|
|
+ * if it didn't sync, which happens after resume the
|
|
+ * first time when there was a live stream at suspend,
|
|
+ * just let it timeout, the stream picks up OK after
|
|
+ * that and LRCK is evidently working again.
|
|
+ */
|
|
+ s3c24xx_snd_lrsync();
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
|
|
s3c24xx_snd_rxctrl(1);
|
|
@@ -308,7 +311,6 @@ static int s3c24xx_i2s_trigger(struct sn
|
|
break;
|
|
}
|
|
|
|
-exit_err:
|
|
return ret;
|
|
}
|
|
|
|
--- a/sound/soc/s3c24xx/s3c24xx-pcm.c
|
|
+++ b/sound/soc/s3c24xx/s3c24xx-pcm.c
|
|
@@ -75,11 +75,18 @@ static void s3c24xx_pcm_enqueue(struct s
|
|
{
|
|
struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
|
|
dma_addr_t pos = prtd->dma_pos;
|
|
+ unsigned int limit;
|
|
int ret;
|
|
|
|
pr_debug("Entered %s\n", __func__);
|
|
|
|
- while (prtd->dma_loaded < prtd->dma_limit) {
|
|
+ if (s3c_dma_has_circular()) {
|
|
+ limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period;
|
|
+ } else
|
|
+ limit = prtd->dma_limit;
|
|
+
|
|
+
|
|
+ while (prtd->dma_loaded < limit) {
|
|
unsigned long len = prtd->dma_period;
|
|
|
|
pr_debug("dma_loaded: %d\n", prtd->dma_loaded);
|
|
@@ -123,7 +130,7 @@ static void s3c24xx_audio_buffdone(struc
|
|
snd_pcm_period_elapsed(substream);
|
|
|
|
spin_lock(&prtd->lock);
|
|
- if (prtd->state & ST_RUNNING) {
|
|
+ if (prtd->state & ST_RUNNING && !s3c_dma_has_circular()) {
|
|
prtd->dma_loaded--;
|
|
s3c24xx_pcm_enqueue(substream);
|
|
}
|
|
@@ -164,6 +171,11 @@ static int s3c24xx_pcm_hw_params(struct
|
|
printk(KERN_ERR "failed to get dma channel\n");
|
|
return ret;
|
|
}
|
|
+
|
|
+ /* use the circular buffering if we have it available. */
|
|
+ if (s3c_dma_has_circular())
|
|
+ s3c2410_dma_setflags(prtd->params->channel,
|
|
+ S3C2410_DMAF_CIRCULAR);
|
|
}
|
|
|
|
s3c2410_dma_set_buffdone_fn(prtd->params->channel,
|
|
@@ -218,24 +230,17 @@ static int s3c24xx_pcm_prepare(struct sn
|
|
* sync to pclk, half-word transfers to the IIS-FIFO. */
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
s3c2410_dma_devconfig(prtd->params->channel,
|
|
- S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC |
|
|
- S3C2410_DISRCC_APB, prtd->params->dma_addr);
|
|
-
|
|
- s3c2410_dma_config(prtd->params->channel,
|
|
- prtd->params->dma_size,
|
|
- S3C2410_DCON_SYNC_PCLK |
|
|
- S3C2410_DCON_HANDSHAKE);
|
|
+ S3C2410_DMASRC_MEM,
|
|
+ prtd->params->dma_addr);
|
|
} else {
|
|
- s3c2410_dma_config(prtd->params->channel,
|
|
- prtd->params->dma_size,
|
|
- S3C2410_DCON_HANDSHAKE |
|
|
- S3C2410_DCON_SYNC_PCLK);
|
|
-
|
|
s3c2410_dma_devconfig(prtd->params->channel,
|
|
- S3C2410_DMASRC_HW, 0x3,
|
|
- prtd->params->dma_addr);
|
|
+ S3C2410_DMASRC_HW,
|
|
+ prtd->params->dma_addr);
|
|
}
|
|
|
|
+ s3c2410_dma_config(prtd->params->channel,
|
|
+ prtd->params->dma_size);
|
|
+
|
|
/* flush the DMA channel */
|
|
s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH);
|
|
prtd->dma_loaded = 0;
|