[s3c24xx] bump to 2.6.30-rc6
[openwrt/svn-archive/archive.git] / target / linux / s3c24xx / patches-2.6.30 / 090-sound.patch
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 (file)
index 0000000..ff86a29
--- /dev/null
@@ -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;