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Message-ID: <20240129055147.1493853-11-Vijendar.Mukunda@amd.com>
Date: Mon, 29 Jan 2024 11:21:44 +0530
From: Vijendar Mukunda <Vijendar.Mukunda@....com>
To: <broonie@...nel.org>, <vkoul@...nel.org>
CC: <alsa-devel@...a-project.org>, <yung-chuan.liao@...ux.intel.com>,
<pierre-louis.bossart@...ux.intel.com>, <Basavaraj.Hiregoudar@....com>,
<Sunil-kumar.Dommati@....com>, <vinod.koul@...el.com>,
<venkataprasad.potturu@....com>, Vijendar Mukunda <Vijendar.Mukunda@....com>,
Liam Girdwood <lgirdwood@...il.com>, Peter Ujfalusi
<peter.ujfalusi@...ux.intel.com>, Ranjani Sridharan
<ranjani.sridharan@...ux.intel.com>, Daniel Baluta <daniel.baluta@....com>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>, Jaroslav Kysela
<perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, V sujith kumar Reddy
<Vsujithkumar.Reddy@....com>, Wang Jinchao <wangjinchao@...sion.com>,
"moderated list:SOUND - SOUND OPEN FIRMWARE (SOF) DRIVERS"
<sound-open-firmware@...a-project.org>, "open list:SOUND - SOC LAYER /
DYNAMIC AUDIO POWER MANAGEM..." <linux-sound@...r.kernel.org>, open list
<linux-kernel@...r.kernel.org>
Subject: [PATCH V4 10/13] ASoC: SOF: amd: add machine select logic for soundwire based platforms
Add machine select logic for soundwire endpoints for AMD platforms.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
---
sound/soc/sof/amd/acp-common.c | 65 +++++++++++++++++++++++++++++++---
1 file changed, 61 insertions(+), 4 deletions(-)
diff --git a/sound/soc/sof/amd/acp-common.c b/sound/soc/sof/amd/acp-common.c
index 2d72c6d55dc8..0fc4e20ec673 100644
--- a/sound/soc/sof/amd/acp-common.c
+++ b/sound/soc/sof/amd/acp-common.c
@@ -118,16 +118,72 @@ void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags)
&panic_info, stack, AMD_STACK_DUMP_SIZE);
}
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_AMD_SOUNDWIRE)
+static int amd_sof_sdw_get_slave_info(struct snd_sof_dev *sdev)
+{
+ struct acp_dev_data *acp_data = sdev->pdata->hw_pdata;
+
+ return sdw_amd_get_slave_info(acp_data->sdw);
+}
+
+static struct snd_soc_acpi_mach *amd_sof_sdw_machine_select(struct snd_sof_dev *sdev)
+{
+ struct snd_soc_acpi_mach *mach;
+ const struct snd_soc_acpi_link_adr *link;
+ struct acp_dev_data *acp_data = sdev->pdata->hw_pdata;
+ int ret, i;
+
+ if (acp_data->info.count) {
+ ret = amd_sof_sdw_get_slave_info(sdev);
+ if (ret) {
+ dev_info(sdev->dev, "failed to read slave information\n");
+ return NULL;
+ }
+ for (mach = sdev->pdata->desc->alt_machines; mach; mach++) {
+ if (!mach->links)
+ break;
+ link = mach->links;
+ for (i = 0; i < acp_data->info.count && link->num_adr; link++, i++) {
+ if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
+ acp_data->sdw->ids,
+ acp_data->sdw->num_slaves))
+ break;
+ }
+ if (i == acp_data->info.count || !link->num_adr)
+ break;
+ }
+ if (mach && mach->link_mask) {
+ mach->mach_params.links = mach->links;
+ mach->mach_params.link_mask = mach->link_mask;
+ mach->mach_params.platform = dev_name(sdev->dev);
+ return mach;
+ }
+ }
+ dev_info(sdev->dev, "No SoundWire machine driver found\n");
+ return NULL;
+}
+
+#else
+static struct snd_soc_acpi_mach *amd_sof_sdw_machine_select(struct snd_sof_dev *sdev)
+{
+ return NULL;
+}
+#endif
+
struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *sof_pdata = sdev->pdata;
const struct sof_dev_desc *desc = sof_pdata->desc;
- struct snd_soc_acpi_mach *mach;
+ struct snd_soc_acpi_mach *mach = NULL;
- mach = snd_soc_acpi_find_machine(desc->machines);
+ if (desc->machines)
+ mach = snd_soc_acpi_find_machine(desc->machines);
if (!mach) {
- dev_warn(sdev->dev, "No matching ASoC machine driver found\n");
- return NULL;
+ mach = amd_sof_sdw_machine_select(sdev);
+ if (!mach) {
+ dev_warn(sdev->dev, "No matching ASoC machine driver found\n");
+ return NULL;
+ }
}
sof_pdata->tplg_filename = mach->sof_tplg_filename;
@@ -204,5 +260,6 @@ EXPORT_SYMBOL_NS(sof_acp_common_ops, SND_SOC_SOF_AMD_COMMON);
MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
+MODULE_IMPORT_NS(SOUNDWIRE_AMD_INIT);
MODULE_DESCRIPTION("ACP SOF COMMON Driver");
MODULE_LICENSE("Dual BSD/GPL");
--
2.34.1
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