mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-02 21:07:19 +02:00
a210854b74
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16048 3c298f89-4303-0410-b956-a3cf2f4a3e73
143 lines
4.7 KiB
Diff
143 lines
4.7 KiB
Diff
--- a/sound/soc/s3c24xx/Kconfig
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+++ b/sound/soc/s3c24xx/Kconfig
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@@ -42,10 +42,20 @@ config SND_S3C24XX_SOC_JIVE_WM8750
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tristate "SoC I2S Audio support for Jive"
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depends on SND_S3C24XX_SOC && MACH_JIVE
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select SND_SOC_WM8750
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+ select SND_SOC_WM8750_SPI
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select SND_S3C2412_SOC_I2S
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help
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Sat Y if you want to add support for SoC audio on the Jive.
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+config SND_S3C24XX_SOC_NEO1973_GTA02_WM8753
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+ tristate "SoC I2S Audio support for Openmoko Freerunner - WM8753"
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+ depends on SND_S3C24XX_SOC && MACH_NEO1973_GTA02
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+ select SND_S3C24XX_SOC_I2S
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+ select SND_SOC_WM8753
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+ help
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+ Say Y if you want to add support for SoC audio on Openmoko Freerunner
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+ with the WM8753 codec
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+
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config SND_S3C24XX_SOC_SMDK2443_WM9710
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tristate "SoC AC97 Audio support for SMDK2443 - WM9710"
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depends on SND_S3C24XX_SOC && MACH_SMDK2443
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--- a/sound/soc/s3c24xx/Makefile
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+++ b/sound/soc/s3c24xx/Makefile
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@@ -19,9 +19,11 @@ snd-soc-neo1973-wm8753-objs := neo1973_w
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snd-soc-smdk2443-wm9710-objs := smdk2443_wm9710.o
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snd-soc-ln2440sbc-alc650-objs := ln2440sbc_alc650.o
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snd-soc-s3c24xx-uda134x-objs := s3c24xx_uda134x.o
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+snd-soc-neo1973-gta02-wm8753-objs := gta02_wm8753.o
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obj-$(CONFIG_SND_S3C24XX_SOC_JIVE_WM8750) += snd-soc-jive-wm8750.o
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obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
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obj-$(CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710) += snd-soc-smdk2443-wm9710.o
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obj-$(CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650) += snd-soc-ln2440sbc-alc650.o
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obj-$(CONFIG_SND_S3C24XX_SOC_S3C24XX_UDA134X) += snd-soc-s3c24xx-uda134x.o
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+obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753) += snd-soc-neo1973-gta02-wm8753.o
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--- a/sound/soc/s3c24xx/s3c24xx-i2s.c
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+++ b/sound/soc/s3c24xx/s3c24xx-i2s.c
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@@ -284,11 +284,14 @@ static int s3c24xx_i2s_trigger(struct sn
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_RESUME:
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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- if (!s3c24xx_snd_is_clkmaster()) {
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- ret = s3c24xx_snd_lrsync();
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- if (ret)
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- goto exit_err;
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- }
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+ if (!s3c24xx_snd_is_clkmaster())
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+ /* we ignore the return code, if it sync'd then fine,
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+ * if it didn't sync, which happens after resume the
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+ * first time when there was a live stream at suspend,
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+ * just let it timeout, the stream picks up OK after
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+ * that and LRCK is evidently working again.
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+ */
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+ s3c24xx_snd_lrsync();
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if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
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s3c24xx_snd_rxctrl(1);
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@@ -308,7 +311,6 @@ static int s3c24xx_i2s_trigger(struct sn
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break;
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}
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-exit_err:
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return ret;
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}
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--- a/sound/soc/s3c24xx/s3c24xx-pcm.c
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+++ b/sound/soc/s3c24xx/s3c24xx-pcm.c
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@@ -75,11 +75,18 @@ static void s3c24xx_pcm_enqueue(struct s
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{
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struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
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dma_addr_t pos = prtd->dma_pos;
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+ unsigned int limit;
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int ret;
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pr_debug("Entered %s\n", __func__);
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- while (prtd->dma_loaded < prtd->dma_limit) {
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+ if (s3c_dma_has_circular()) {
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+ limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period;
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+ } else
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+ limit = prtd->dma_limit;
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+
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+
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+ while (prtd->dma_loaded < limit) {
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unsigned long len = prtd->dma_period;
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pr_debug("dma_loaded: %d\n", prtd->dma_loaded);
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@@ -123,7 +130,7 @@ static void s3c24xx_audio_buffdone(struc
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snd_pcm_period_elapsed(substream);
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spin_lock(&prtd->lock);
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- if (prtd->state & ST_RUNNING) {
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+ if (prtd->state & ST_RUNNING && !s3c_dma_has_circular()) {
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prtd->dma_loaded--;
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s3c24xx_pcm_enqueue(substream);
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}
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@@ -164,6 +171,11 @@ static int s3c24xx_pcm_hw_params(struct
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printk(KERN_ERR "failed to get dma channel\n");
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return ret;
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}
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+
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+ /* use the circular buffering if we have it available. */
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+ if (s3c_dma_has_circular())
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+ s3c2410_dma_setflags(prtd->params->channel,
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+ S3C2410_DMAF_CIRCULAR);
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}
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s3c2410_dma_set_buffdone_fn(prtd->params->channel,
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@@ -218,24 +230,17 @@ static int s3c24xx_pcm_prepare(struct sn
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* sync to pclk, half-word transfers to the IIS-FIFO. */
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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s3c2410_dma_devconfig(prtd->params->channel,
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- S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC |
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- S3C2410_DISRCC_APB, prtd->params->dma_addr);
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-
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- s3c2410_dma_config(prtd->params->channel,
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- prtd->params->dma_size,
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- S3C2410_DCON_SYNC_PCLK |
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- S3C2410_DCON_HANDSHAKE);
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+ S3C2410_DMASRC_MEM,
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+ prtd->params->dma_addr);
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} else {
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- s3c2410_dma_config(prtd->params->channel,
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- prtd->params->dma_size,
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- S3C2410_DCON_HANDSHAKE |
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- S3C2410_DCON_SYNC_PCLK);
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-
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s3c2410_dma_devconfig(prtd->params->channel,
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- S3C2410_DMASRC_HW, 0x3,
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- prtd->params->dma_addr);
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+ S3C2410_DMASRC_HW,
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+ prtd->params->dma_addr);
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}
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+ s3c2410_dma_config(prtd->params->channel,
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+ prtd->params->dma_size);
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+
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/* flush the DMA channel */
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s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH);
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prtd->dma_loaded = 0;
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