From: Peter Ujfalusi <peter.ujfalusi@ti.com> To: Mark Brown <broonie@opensource.wolfsonmicro.com>, Liam Girdwood <lrg@ti.com>, Tony Lindgren <tony@atomide.com>, Russell King <rmk+kernel@arm.linux.org.uk>, Vinod Koul <vinod.koul@intel.com>, Dan Williams <djbw@fb.com>, Jarkko Nikula <jarkko.nikula@bitmer.com> Cc: alsa-devel@alsa-project.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>, Ricardo Neri <ricardo.neri@ti.com>, Lars-Peter Clausen <lars@metafoo.de> Subject: [PATCH v3 07/15] ASoC: omap-pcm: Select sDMA synchronization based on packet_size Date: Fri, 14 Sep 2012 15:05:50 +0300 [thread overview] Message-ID: <1347624358-25582-8-git-send-email-peter.ujfalusi@ti.com> (raw) In-Reply-To: <1347624358-25582-1-git-send-email-peter.ujfalusi@ti.com> Since we only have element or packet synchronization we can use the dma_data->packet_size to select the desired mode: if packet_size is 0 we use ELEMENT mode if packet_size is not 0 we use PACKET mode for sDMA synchronization. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- sound/soc/omap/omap-pcm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index f0feb06..02eeb2e 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -165,7 +165,12 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) memset(&dma_params, 0, sizeof(dma_params)); dma_params.data_type = dma_data->data_type; dma_params.trigger = dma_data->dma_req; - dma_params.sync_mode = dma_data->sync_mode; + + if (dma_data->packet_size) + dma_params.sync_mode = OMAP_DMA_SYNC_PACKET; + else + dma_params.sync_mode = OMAP_DMA_SYNC_ELEMENT; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { dma_params.src_amode = OMAP_DMA_AMODE_POST_INC; dma_params.dst_amode = OMAP_DMA_AMODE_CONSTANT; -- 1.7.12
WARNING: multiple messages have this Message-ID (diff)
From: peter.ujfalusi@ti.com (Peter Ujfalusi) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 07/15] ASoC: omap-pcm: Select sDMA synchronization based on packet_size Date: Fri, 14 Sep 2012 15:05:50 +0300 [thread overview] Message-ID: <1347624358-25582-8-git-send-email-peter.ujfalusi@ti.com> (raw) In-Reply-To: <1347624358-25582-1-git-send-email-peter.ujfalusi@ti.com> Since we only have element or packet synchronization we can use the dma_data->packet_size to select the desired mode: if packet_size is 0 we use ELEMENT mode if packet_size is not 0 we use PACKET mode for sDMA synchronization. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- sound/soc/omap/omap-pcm.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index f0feb06..02eeb2e 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -165,7 +165,12 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) memset(&dma_params, 0, sizeof(dma_params)); dma_params.data_type = dma_data->data_type; dma_params.trigger = dma_data->dma_req; - dma_params.sync_mode = dma_data->sync_mode; + + if (dma_data->packet_size) + dma_params.sync_mode = OMAP_DMA_SYNC_PACKET; + else + dma_params.sync_mode = OMAP_DMA_SYNC_ELEMENT; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { dma_params.src_amode = OMAP_DMA_AMODE_POST_INC; dma_params.dst_amode = OMAP_DMA_AMODE_CONSTANT; -- 1.7.12
next prev parent reply other threads:[~2012-09-14 12:06 UTC|newest] Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-09-14 12:05 [PATCH v3 00/15] ASoC: OMAP: Convert to use dmaengine Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 01/15] dmaengine: omap: Support for element mode in cyclic DMA Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 02/15] dmaengine: omap: Add support for pause/resume in cyclic dma mode Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-17 3:13 ` Vinod Koul 2012-09-17 3:13 ` Vinod Koul 2012-09-17 3:13 ` Vinod Koul 2012-09-17 8:41 ` Peter Ujfalusi 2012-09-17 8:41 ` Peter Ujfalusi 2012-09-18 8:28 ` Russell King - ARM Linux 2012-09-18 8:28 ` Russell King - ARM Linux 2012-09-18 8:28 ` Russell King - ARM Linux 2012-09-17 9:55 ` Vinod Koul 2012-09-17 9:55 ` Vinod Koul 2012-09-17 9:55 ` Vinod Koul 2012-09-14 12:05 ` [PATCH v3 03/15] dmaengine: Add flags parameter to dmaengine_prep_dma_cyclic() Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-17 9:58 ` Vinod Koul 2012-09-17 9:58 ` Vinod Koul 2012-09-22 15:09 ` Mark Brown 2012-09-22 15:09 ` Mark Brown 2012-09-22 15:09 ` Mark Brown 2012-09-14 12:05 ` [PATCH v3 04/15] dmaengine: Pass flags via device_prep_dma_cyclic() callback Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-17 9:59 ` Vinod Koul 2012-09-17 9:59 ` Vinod Koul 2012-09-17 9:59 ` Vinod Koul 2012-09-17 10:06 ` Nicolas Ferre 2012-09-17 10:06 ` Nicolas Ferre 2012-09-17 10:06 ` Nicolas Ferre 2012-09-19 2:45 ` Shawn Guo 2012-09-19 2:45 ` Shawn Guo 2012-09-19 2:45 ` Shawn Guo 2012-09-14 12:05 ` [PATCH v3 05/15] dmaengine: omap-dma: Add support to suppress interrupts in cyclic mode Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-17 10:00 ` Vinod Koul 2012-09-17 10:00 ` Vinod Koul 2012-09-14 12:05 ` [PATCH v3 06/15] ASoC: omap-mcbsp: Use sDMA packet mode instead of frame mode Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi [this message] 2012-09-14 12:05 ` [PATCH v3 07/15] ASoC: omap-pcm: Select sDMA synchronization based on packet_size Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 08/15] ASoC: OMAP: Remove sync_mode from omap_pcm_dma_data struct Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 09/15] ASoC: omap-pcm: Prepare to configure the DMA data_type based on stream properties Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 10/15] ARM: OMAP4: hwmod_data: Add resource names to McPDM memory ranges Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 11/15] ASoC: omap-mcpdm: Use platform_get_resource_* to get resources Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 12/15] ASoC: OMAP: mcbsp, mcpdm, dmic: Let omap-pcm to pick the dma_type Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 13/15] ASoC: omap-pcm, omap-dmic: Change the use of omap_pcm_dma_data->data_type Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 14/15] ASoC: OMAP: mcbsp, mcpdm, dmic, hdmi: Set dma_data at startup time Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-14 12:05 ` [PATCH v3 15/15] ASoC: omap-pcm: Convert to use dmaengine Peter Ujfalusi 2012-09-14 12:05 ` Peter Ujfalusi 2012-09-15 21:38 ` [alsa-devel] [PATCH v3 00/15] ASoC: OMAP: " Janusz Krzysztofik 2012-09-15 21:38 ` Janusz Krzysztofik 2012-09-15 21:38 ` Janusz Krzysztofik 2012-09-17 3:17 ` Vinod Koul 2012-09-17 3:17 ` Vinod Koul 2012-09-17 3:17 ` Vinod Koul 2012-09-17 8:44 ` [alsa-devel] " Peter Ujfalusi 2012-09-17 8:44 ` Peter Ujfalusi 2012-09-17 8:44 ` Peter Ujfalusi 2012-09-17 9:51 ` Vinod Koul 2012-09-17 9:51 ` Vinod Koul 2012-09-17 9:51 ` Vinod Koul 2012-09-24 23:36 ` [alsa-devel] " Ricardo Neri 2012-09-24 23:36 ` Ricardo Neri 2012-09-24 23:36 ` Ricardo Neri
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