target/linux/s3c24xx/patches-2.6.30/090-sound.patch

   1 Index: linux-2.6.30-rc6/sound/soc/s3c24xx/Kconfig
   2 ===================================================================
   3 --- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/Kconfig     2009-05-16 06:12:57.000000000 +0200
   4 +++ linux-2.6.30-rc6/sound/soc/s3c24xx/Kconfig  2009-05-18 19:08:35.000000000 +0200
   5 @@ -42,10 +42,20 @@
   6         tristate "SoC I2S Audio support for Jive"
   7         depends on SND_S3C24XX_SOC && MACH_JIVE
   8         select SND_SOC_WM8750
   9 +       select SND_SOC_WM8750_SPI
  10         select SND_S3C2412_SOC_I2S
  11         help
  12           Sat Y if you want to add support for SoC audio on the Jive.
  13
  14 +config SND_S3C24XX_SOC_NEO1973_GTA02_WM8753
  15 +       tristate "SoC I2S Audio support for Openmoko Freerunner - WM8753"
  16 +       depends on SND_S3C24XX_SOC && MACH_NEO1973_GTA02
  17 +       select SND_S3C24XX_SOC_I2S
  18 +       select SND_SOC_WM8753
  19 +       help
  20 +         Say Y if you want to add support for SoC audio on Openmoko Freerunner
  21 +         with the WM8753 codec
  22 +
  23  config SND_S3C24XX_SOC_SMDK2443_WM9710
  24         tristate "SoC AC97 Audio support for SMDK2443 - WM9710"
  25         depends on SND_S3C24XX_SOC && MACH_SMDK2443
  26 Index: linux-2.6.30-rc6/sound/soc/s3c24xx/Makefile
  27 ===================================================================
  28 --- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/Makefile    2009-05-16 06:12:57.000000000 +0200
  29 +++ linux-2.6.30-rc6/sound/soc/s3c24xx/Makefile 2009-05-18 19:08:35.000000000 +0200
  30 @@ -19,9 +19,11 @@
  31  snd-soc-smdk2443-wm9710-objs := smdk2443_wm9710.o
  32  snd-soc-ln2440sbc-alc650-objs := ln2440sbc_alc650.o
  33  snd-soc-s3c24xx-uda134x-objs := s3c24xx_uda134x.o
  34 +snd-soc-neo1973-gta02-wm8753-objs := gta02_wm8753.o
  35
  36  obj-$(CONFIG_SND_S3C24XX_SOC_JIVE_WM8750) += snd-soc-jive-wm8750.o
  37  obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
  38  obj-$(CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710) += snd-soc-smdk2443-wm9710.o
  39  obj-$(CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650) += snd-soc-ln2440sbc-alc650.o
  40  obj-$(CONFIG_SND_S3C24XX_SOC_S3C24XX_UDA134X) += snd-soc-s3c24xx-uda134x.o
  41 +obj-$(CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753) += snd-soc-neo1973-gta02-wm8753.o
  42 Index: linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-i2s.c
  43 ===================================================================
  44 --- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/s3c24xx-i2s.c       2009-05-16 06:12:57.000000000 +0200
  45 +++ linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-i2s.c    2009-05-18 19:08:35.000000000 +0200
  46 @@ -284,11 +284,14 @@
  47         case SNDRV_PCM_TRIGGER_START:
  48         case SNDRV_PCM_TRIGGER_RESUME:
  49         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  50 -               if (!s3c24xx_snd_is_clkmaster()) {
  51 -                       ret = s3c24xx_snd_lrsync();
  52 -                       if (ret)
  53 -                               goto exit_err;
  54 -               }
  55 +               if (!s3c24xx_snd_is_clkmaster())
  56 +                       /* we ignore the return code, if it sync'd then fine,
  57 +                        * if it didn't sync, which happens after resume the
  58 +                        * first time when there was a live stream at suspend,
  59 +                        * just let it timeout, the stream picks up OK after
  60 +                        * that and LRCK is evidently working again.
  61 +                        */
  62 +                       s3c24xx_snd_lrsync();
  63
  64                 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
  65                         s3c24xx_snd_rxctrl(1);
  66 @@ -308,7 +311,6 @@
  67                 break;
  68         }
  69
  70 -exit_err:
  71         return ret;
  72  }
  73
  74 Index: linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-pcm.c
  75 ===================================================================
  76 --- linux-2.6.30-rc6.orig/sound/soc/s3c24xx/s3c24xx-pcm.c       2009-05-16 06:12:57.000000000 +0200
  77 +++ linux-2.6.30-rc6/sound/soc/s3c24xx/s3c24xx-pcm.c    2009-05-18 19:08:35.000000000 +0200
  78 @@ -75,11 +75,18 @@
  79  {
  80         struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
  81         dma_addr_t pos = prtd->dma_pos;
  82 +       unsigned int limit;
  83         int ret;
  84
  85         pr_debug("Entered %s\n", __func__);
  86
  87 -       while (prtd->dma_loaded < prtd->dma_limit) {
  88 +       if (s3c_dma_has_circular()) {
  89 +               limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period;
  90 +       } else
  91 +               limit = prtd->dma_limit;
  92 +
  93 +
  94 +       while (prtd->dma_loaded < limit) {
  95                 unsigned long len = prtd->dma_period;
  96
  97                 pr_debug("dma_loaded: %d\n", prtd->dma_loaded);
  98 @@ -123,7 +130,7 @@
  99                 snd_pcm_period_elapsed(substream);
 100
 101         spin_lock(&prtd->lock);
 102 -       if (prtd->state & ST_RUNNING) {
 103 +       if (prtd->state & ST_RUNNING && !s3c_dma_has_circular()) {
 104                 prtd->dma_loaded--;
 105                 s3c24xx_pcm_enqueue(substream);
 106         }
 107 @@ -164,6 +171,11 @@
 108                         printk(KERN_ERR "failed to get dma channel\n");
 109                         return ret;
 110                 }
 111 +
 112 +               /* use the circular buffering if we have it available. */
 113 +               if (s3c_dma_has_circular())
 114 +                       s3c2410_dma_setflags(prtd->params->channel,
 115 +                                            S3C2410_DMAF_CIRCULAR);
 116         }
 117
 118         s3c2410_dma_set_buffdone_fn(prtd->params->channel,
 119 @@ -218,24 +230,17 @@
 120          * sync to pclk, half-word transfers to the IIS-FIFO. */
 121         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 122                 s3c2410_dma_devconfig(prtd->params->channel,
 123 -                               S3C2410_DMASRC_MEM, S3C2410_DISRCC_INC |
 124 -                               S3C2410_DISRCC_APB, prtd->params->dma_addr);
 125 -
 126 -               s3c2410_dma_config(prtd->params->channel,
 127 -                               prtd->params->dma_size,
 128 -                               S3C2410_DCON_SYNC_PCLK |
 129 -                               S3C2410_DCON_HANDSHAKE);
 130 +                                     S3C2410_DMASRC_MEM,
 131 +                                     prtd->params->dma_addr);
 132         } else {
 133 -               s3c2410_dma_config(prtd->params->channel,
 134 -                               prtd->params->dma_size,
 135 -                               S3C2410_DCON_HANDSHAKE |
 136 -                               S3C2410_DCON_SYNC_PCLK);
 137 -
 138                 s3c2410_dma_devconfig(prtd->params->channel,
 139 -                                       S3C2410_DMASRC_HW, 0x3,
 140 -                                       prtd->params->dma_addr);
 141 +                                     S3C2410_DMASRC_HW,
 142 +                                     prtd->params->dma_addr);
 143         }
 144
 145 +       s3c2410_dma_config(prtd->params->channel,
 146 +                          prtd->params->dma_size);
 147 +
 148         /* flush the DMA channel */
 149         s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH);
 150         prtd->dma_loaded = 0;