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-rw-r--r--target/linux/s3c24xx/patches-2.6.30/090-sound.patch150
1 files changed, 150 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.30/090-sound.patch b/target/linux/s3c24xx/patches-2.6.30/090-sound.patch
new file mode 100644
index 0000000000..ff86a29f74
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.30/090-sound.patch
@@ -0,0 +1,150 @@
+Index: linux-2.6.30-rc6/sound/soc/s3c24xx/Kconfig
+===================================================================
+--- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/Kconfig 2009-05-16 06:12:57.000000000 +0200
++++ linux-2.6.30-rc6/sound/soc/s3c24xx/Kconfig 2009-05-18 19:08:35.000000000 +0200
+@@ -42,10 +42,20 @@
+ 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
+Index: linux-2.6.30-rc6/sound/soc/s3c24xx/Makefile
+===================================================================
+--- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/Makefile 2009-05-16 06:12:57.000000000 +0200
++++ linux-2.6.30-rc6/sound/soc/s3c24xx/Makefile 2009-05-18 19:08:35.000000000 +0200
+@@ -19,9 +19,11 @@
+ 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
+Index: linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-i2s.c
+===================================================================
+--- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/s3c24xx-i2s.c 2009-05-16 06:12:57.000000000 +0200
++++ linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-i2s.c 2009-05-18 19:08:35.000000000 +0200
+@@ -284,11 +284,14 @@
+ 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 @@
+ break;
+ }
+
+-exit_err:
+ return ret;
+ }
+
+Index: linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-pcm.c
+===================================================================
+--- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/s3c24xx-pcm.c 2009-05-16 06:12:57.000000000 +0200
++++ linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-pcm.c 2009-05-18 19:08:35.000000000 +0200
+@@ -75,11 +75,18 @@
+ {
+ 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 @@
+ 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 @@
+ 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 @@
+ * 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;