All of lore.kernel.org
 help / color / mirror / Atom feed
From: Vinod Koul <vinod.koul@intel.com>
To: alsa-devel@alsa-project.org
Cc: tiwai@suse.de, patches.audio@intel.com,
	liam.r.girdwood@linux.intel.com,
	Vinod Koul <vinod.koul@intel.com>,
	broonie@kernel.org, Jeeja KP <jeeja.kp@intel.com>
Subject: [PATCH v4 01/13] ASoC: Intel: Skylake: Clear stream registers before stream setup
Date: Fri, 18 Dec 2015 15:11:57 +0530	[thread overview]
Message-ID: <1450431729-27259-2-git-send-email-vinod.koul@intel.com> (raw)
In-Reply-To: <1450431729-27259-1-git-send-email-vinod.koul@intel.com>

From: Jeeja KP <jeeja.kp@intel.com>

This patch adds clean up routine to clear the stream registers and
calls this routine before setting up stream registers.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
 sound/soc/intel/skylake/skl-sst-cldma.c | 38 ++++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 15 deletions(-)

diff --git a/sound/soc/intel/skylake/skl-sst-cldma.c b/sound/soc/intel/skylake/skl-sst-cldma.c
index 8c7e8576cba3..da2329d17f4d 100644
--- a/sound/soc/intel/skylake/skl-sst-cldma.c
+++ b/sound/soc/intel/skylake/skl-sst-cldma.c
@@ -60,6 +60,27 @@ static void skl_cldma_stream_run(struct sst_dsp  *ctx, bool enable)
 		dev_err(ctx->dev, "Failed to set Run bit=%d enable=%d\n", val, enable);
 }
 
+static void skl_cldma_stream_clear(struct sst_dsp  *ctx)
+{
+	/* make sure Run bit is cleared before setting stream register */
+	skl_cldma_stream_run(ctx, 0);
+
+	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+				CL_SD_CTL_IOCE_MASK, CL_SD_CTL_IOCE(0));
+	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+				CL_SD_CTL_FEIE_MASK, CL_SD_CTL_FEIE(0));
+	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+				CL_SD_CTL_DEIE_MASK, CL_SD_CTL_DEIE(0));
+	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
+				CL_SD_CTL_STRM_MASK, CL_SD_CTL_STRM(0));
+
+	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPL, CL_SD_BDLPLBA(0));
+	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPU, 0);
+
+	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_CBL, 0);
+	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_LVI, 0);
+}
+
 /* Code loader helper APIs */
 static void skl_cldma_setup_bdle(struct sst_dsp *ctx,
 		struct snd_dma_buffer *dmab_data,
@@ -95,6 +116,7 @@ static void skl_cldma_setup_controller(struct sst_dsp  *ctx,
 		struct snd_dma_buffer *dmab_bdl, unsigned int max_size,
 		u32 count)
 {
+	skl_cldma_stream_clear(ctx);
 	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPL,
 			CL_SD_BDLPLBA(dmab_bdl->addr));
 	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPU,
@@ -137,21 +159,7 @@ static void skl_cldma_cleanup_spb(struct sst_dsp  *ctx)
 static void skl_cldma_cleanup(struct sst_dsp  *ctx)
 {
 	skl_cldma_cleanup_spb(ctx);
-
-	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
-				CL_SD_CTL_IOCE_MASK, CL_SD_CTL_IOCE(0));
-	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
-				CL_SD_CTL_FEIE_MASK, CL_SD_CTL_FEIE(0));
-	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
-				CL_SD_CTL_DEIE_MASK, CL_SD_CTL_DEIE(0));
-	sst_dsp_shim_update_bits(ctx, SKL_ADSP_REG_CL_SD_CTL,
-				CL_SD_CTL_STRM_MASK, CL_SD_CTL_STRM(0));
-
-	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPL, CL_SD_BDLPLBA(0));
-	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_BDLPU, 0);
-
-	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_CBL, 0);
-	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_LVI, 0);
+	skl_cldma_stream_clear(ctx);
 
 	ctx->dsp_ops.free_dma_buf(ctx->dev, &ctx->cl_dev.dmab_data);
 	ctx->dsp_ops.free_dma_buf(ctx->dev, &ctx->cl_dev.dmab_bdl);
-- 
1.9.1

  reply	other threads:[~2015-12-18  9:39 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-18  9:41 [PATCH v4 00/13] ASoC: Intel: Skylake: Update to SKL driver Vinod Koul
2015-12-18  9:41 ` Vinod Koul [this message]
2015-12-18  9:41 ` [PATCH v4 02/13] ASoC: Intel: Skylake: Fix to set pipe state to invalid when deleting Vinod Koul
2015-12-18  9:41 ` [PATCH v4 03/13] ALSA: hdac: Add support for hda DMA Resume capability Vinod Koul
2016-01-04  5:57   ` Vinod Koul
2016-01-05 15:51     ` Mark Brown
2016-01-06  9:03       ` Takashi Iwai
2016-01-06  9:18         ` Vinod Koul
2016-01-06  9:16           ` Takashi Iwai
2016-01-06  9:27             ` Vinod Koul
2015-12-18  9:42 ` [PATCH v4 04/13] ALSA: hdac: couple the hda DMA stream in cleanup Vinod Koul
2015-12-18  9:42 ` [PATCH v4 05/13] ALSA: hdac: Increase timeout value for link power check Vinod Koul
2015-12-18  9:42 ` [PATCH v4 06/13] ALSA: hdac: add snd_hdac_ext_bus_link_power_up_all Vinod Koul
2015-12-18  9:42 ` [PATCH v4 07/13] ASoC: Intel: Skylake: fix reset controller sequencing Vinod Koul
2016-01-10 12:22   ` Applied "ASoC: Intel: Skylake: fix reset controller sequencing" to the asoc tree Mark Brown
2015-12-18  9:42 ` [PATCH v4 08/13] ASoC: Intel: Skylake: Use CGCTL.MISCBDCGE for Phrase detection notification Vinod Koul
2016-01-10 12:22   ` Applied "ASoC: Intel: Skylake: Use CGCTL.MISCBDCGE for Phrase detection notification" to the asoc tree Mark Brown
2015-12-18  9:42 ` [PATCH v4 09/13] ASoC: Intel: Skylake: manage link power in active suspend Vinod Koul
2015-12-18  9:42 ` [PATCH v4 10/13] ASoC: Intel: Skylake: enable interrupt as wake source " Vinod Koul
2015-12-18  9:42 ` [PATCH v4 11/13] ASoC: Intel: Skylake: Add DMA resume position in Trigger resume/suspend Vinod Koul
2015-12-18  9:42 ` [PATCH v4 12/13] ASoC: Intel: Skylake: Reconfigure Link stream on suspend/resume Vinod Koul
2015-12-18  9:42 ` [PATCH v4 13/13] ASoC: Intel: Skylake: Add Resume capability in PCM info Vinod Koul

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1450431729-27259-2-git-send-email-vinod.koul@intel.com \
    --to=vinod.koul@intel.com \
    --cc=alsa-devel@alsa-project.org \
    --cc=broonie@kernel.org \
    --cc=jeeja.kp@intel.com \
    --cc=liam.r.girdwood@linux.intel.com \
    --cc=patches.audio@intel.com \
    --cc=tiwai@suse.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.