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Wed, 18 Dec 2024 23:51:29 -0600 From: Vijendar Mukunda To: CC: , , , , , , , , , , Vijendar Mukunda Subject: [PATCH 13/21] ASoC: amd: acp70: add acp pdm driver pm ops Date: Thu, 19 Dec 2024 11:18:49 +0530 Message-ID: <20241219054857.2070420-14-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241219054857.2070420-1-Vijendar.Mukunda@amd.com> References: <20241219054857.2070420-1-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH1PEPF0000AD7F:EE_|DS0PR12MB6630:EE_ X-MS-Office365-Filtering-Correlation-Id: 3fd298ba-ef32-4534-c3c7-08dd1ff13155 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Add acp pdm driver pm ops for ACP7.0 & ACP7.1 platforms. Signed-off-by: Vijendar Mukunda --- sound/soc/amd/acp70/acp70-pdm-dma.c | 57 +++++++++++++++++++++++++++++ sound/soc/amd/acp70/acp70.h | 3 ++ 2 files changed, 60 insertions(+) diff --git a/sound/soc/amd/acp70/acp70-pdm-dma.c b/sound/soc/amd/acp70/acp70-pdm-dma.c index 197214e68489..0d24c9ed917f 100644 --- a/sound/soc/amd/acp70/acp70-pdm-dma.c +++ b/sound/soc/amd/acp70/acp70-pdm-dma.c @@ -13,6 +13,7 @@ #include #include #include +#include #include "acp70.h" @@ -388,13 +389,69 @@ static int acp70_pdm_audio_probe(struct platform_device *pdev) return -ENODEV; } + pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); return 0; } +static void acp70_pdm_audio_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); +} + +static int __maybe_unused acp70_pdm_resume(struct device *dev) +{ + struct pdm_dev_data *adata; + struct snd_pcm_runtime *runtime; + struct pdm_stream_instance *rtd; + u32 period_bytes, buffer_len; + + adata = dev_get_drvdata(dev); + if (adata->capture_stream && adata->capture_stream->runtime) { + runtime = adata->capture_stream->runtime; + rtd = runtime->private_data; + period_bytes = frames_to_bytes(runtime, runtime->period_size); + buffer_len = frames_to_bytes(runtime, runtime->buffer_size); + acp70_config_dma(rtd, SNDRV_PCM_STREAM_CAPTURE); + acp70_init_pdm_ring_buffer(PDM_MEM_WINDOW_START, buffer_len, + period_bytes, adata->acp70_base); + } + acp70_enable_pdm_interrupts(adata); + return 0; +} + +static int __maybe_unused acp70_pdm_suspend(struct device *dev) +{ + struct pdm_dev_data *adata; + + adata = dev_get_drvdata(dev); + acp70_disable_pdm_interrupts(adata); + return 0; +} + +static int __maybe_unused acp70_pdm_runtime_resume(struct device *dev) +{ + struct pdm_dev_data *adata; + + adata = dev_get_drvdata(dev); + acp70_enable_pdm_interrupts(adata); + return 0; +} + +static const struct dev_pm_ops acp70_pdm_pm_ops = { + SET_RUNTIME_PM_OPS(acp70_pdm_suspend, acp70_pdm_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(acp70_pdm_suspend, acp70_pdm_resume) +}; + static struct platform_driver acp70_pdm_dma_driver = { .probe = acp70_pdm_audio_probe, + .remove = acp70_pdm_audio_remove, .driver = { .name = "acp70_pdm_dma", + .pm = &acp70_pdm_pm_ops, }, }; diff --git a/sound/soc/amd/acp70/acp70.h b/sound/soc/amd/acp70/acp70.h index d5ab606adedc..1d8e670264fc 100644 --- a/sound/soc/amd/acp70/acp70.h +++ b/sound/soc/amd/acp70/acp70.h @@ -133,6 +133,9 @@ #define SDW_MAX_BUFFER (SDW_PLAYBACK_MAX_PERIOD_SIZE * SDW_PLAYBACK_MAX_NUM_PERIODS) #define SDW_MIN_BUFFER SDW_MAX_BUFFER +/* time in ms for runtime suspend delay */ +#define ACP_SUSPEND_DELAY_MS 2000 + enum acp_config { ACP_CONFIG_0 = 0, ACP_CONFIG_1,