From: Daniel Baluta <daniel.baluta@oss.nxp.com>
To: broonie@kernel.org, alsa-devel@alsa-project.org
Cc: pierre-louis.bossart@linux.intel.com, lgirdwood@gmail.com,
daniel.baluta@nxp.com, daniel.baluta@gmail.com,
linux-kernel@vger.kernel.org, yc.hung@mediatek.com,
linux-mediatek@lists.infradead.org
Subject: [PATCH v2 8/8] ASoC: SOF: mediatek: Add DSP system PM callback for mt8195
Date: Thu, 18 Nov 2021 12:07:49 +0200 [thread overview]
Message-ID: <20211118100749.54628-9-daniel.baluta@oss.nxp.com> (raw)
In-Reply-To: <20211118100749.54628-1-daniel.baluta@oss.nxp.com>
From: YC Hung <yc.hung@mediatek.com>
Add DSP system PM callback for suspend and resume
Signed-off-by: YC Hung <yc.hung@mediatek.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
---
sound/soc/sof/mediatek/mt8195/mt8195.c | 42 ++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c
index 5bfae9379ac8..40e5a25875a6 100644
--- a/sound/soc/sof/mediatek/mt8195/mt8195.c
+++ b/sound/soc/sof/mediatek/mt8195/mt8195.c
@@ -311,6 +311,44 @@ static int mt8195_dsp_remove(struct snd_sof_dev *sdev)
return 0;
}
+static int mt8195_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
+{
+ struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
+ int ret;
+
+ /* stall and reset dsp */
+ sof_hifixdsp_shutdown(sdev);
+
+ /* power down adsp sram */
+ ret = adsp_sram_power_on(&pdev->dev, false);
+ if (ret) {
+ dev_err(sdev->dev, "adsp_sram_power_off fail!\n");
+ return ret;
+ }
+
+ /* turn off adsp clock */
+ return adsp_clock_off(sdev);
+}
+
+static int mt8195_dsp_resume(struct snd_sof_dev *sdev)
+{
+ int ret;
+
+ /* turn on adsp clock */
+ ret = adsp_clock_on(sdev);
+ if (ret) {
+ dev_err(sdev->dev, "adsp_clock_on fail!\n");
+ return ret;
+ }
+
+ /* power on adsp sram */
+ ret = adsp_sram_power_on(sdev->dev, true);
+ if (ret)
+ dev_err(sdev->dev, "adsp_sram_power_on fail!\n");
+
+ return ret;
+}
+
/* on mt8195 there is 1 to 1 match between type and BAR idx */
static int mt8195_get_bar_index(struct snd_sof_dev *sdev, u32 type)
{
@@ -382,6 +420,10 @@ const struct snd_sof_dsp_ops sof_mt8195_ops = {
.drv = mt8195_dai,
.num_drv = ARRAY_SIZE(mt8195_dai),
+ /* PM */
+ .suspend = mt8195_dsp_suspend,
+ .resume = mt8195_dsp_resume,
+
/* ALSA HW info flags */
.hw_info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
--
2.27.0
next prev parent reply other threads:[~2021-11-18 10:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-18 10:07 [PATCH v2 0/8] ASoC: SOF: Add support for Mediatek MT8195 Daniel Baluta
2021-11-18 10:07 ` [PATCH v2 1/8] ASoC: SOF: mediatek: Add mt8195 hardware support Daniel Baluta
2021-11-26 12:06 ` AngeloGioacchino Del Regno
2021-11-18 10:07 ` [PATCH v2 2/8] ASoC: SOF: tokens: add token for Mediatek AFE Daniel Baluta
2021-11-26 12:06 ` AngeloGioacchino Del Regno
2021-11-18 10:07 ` [PATCH v2 3/8] ASoC: SOF: topology: Add support for Mediatek AFE DAI Daniel Baluta
2021-11-26 12:05 ` AngeloGioacchino Del Regno
2021-11-18 10:07 ` [PATCH v2 4/8] ASoC: SOF: mediatek: Add fw loader and mt8195 dsp ops to load firmware Daniel Baluta
2021-11-26 12:05 ` AngeloGioacchino Del Regno
2021-11-18 10:07 ` [PATCH v2 5/8] ASoC: SOF: Add mt8195 device descriptor Daniel Baluta
2021-11-26 12:06 ` AngeloGioacchino Del Regno
2021-11-18 10:07 ` [PATCH v2 6/8] ASoC: SOF: mediatek: Add dai driver dsp ops callback for mt8195 Daniel Baluta
2021-11-26 12:06 ` AngeloGioacchino Del Regno
2021-11-18 10:07 ` [PATCH v2 7/8] ASoC: SOF: mediatek: Add mt8195 dsp clock support Daniel Baluta
2021-11-26 12:07 ` AngeloGioacchino Del Regno
2021-11-18 10:07 ` Daniel Baluta [this message]
2021-11-26 12:07 ` [PATCH v2 8/8] ASoC: SOF: mediatek: Add DSP system PM callback for mt8195 AngeloGioacchino Del Regno
2021-11-18 19:06 ` [PATCH v2 0/8] ASoC: SOF: Add support for Mediatek MT8195 Mark Brown
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