return IRQ_NONE;
}
-static int sdw_amd_scan_controller(struct device *dev)
+#if IS_ENABLED(CONFIG_SND_SOC_AMD_SOUNDWIRE)
+static int acp_scan_sdw_devices(struct device *dev, u64 addr)
{
+ struct acpi_device *sdw_dev;
struct acp63_dev_data *acp_data;
- struct fwnode_handle *link;
- char name[32];
- u32 sdw_manager_bitmap;
- u8 count = 0;
- u32 acp_sdw_power_mode = 0;
- int index;
- int ret;
acp_data = dev_get_drvdata(dev);
- /*
- * Current implementation is based on MIPI DisCo 2.0 spec.
- * Found controller, find links supported.
- */
- ret = fwnode_property_read_u32_array((acp_data->sdw_fw_node), "mipi-sdw-manager-list",
- &sdw_manager_bitmap, 1);
-
- if (ret) {
- dev_dbg(dev, "Failed to read mipi-sdw-manager-list: %d\n", ret);
- return -EINVAL;
- }
- count = hweight32(sdw_manager_bitmap);
- /* Check count is within bounds */
- if (count > AMD_SDW_MAX_MANAGERS) {
- dev_err(dev, "Manager count %d exceeds max %d\n", count, AMD_SDW_MAX_MANAGERS);
- return -EINVAL;
- }
+ if (!addr)
+ return -ENODEV;
- if (!count) {
- dev_dbg(dev, "No SoundWire Managers detected\n");
- return -EINVAL;
- }
- dev_dbg(dev, "ACPI reports %d SoundWire Manager devices\n", count);
- acp_data->sdw_manager_count = count;
- for (index = 0; index < count; index++) {
- scnprintf(name, sizeof(name), "mipi-sdw-link-%d-subproperties", index);
- link = fwnode_get_named_child_node(acp_data->sdw_fw_node, name);
- if (!link) {
- dev_err(dev, "Manager node %s not found\n", name);
- return -EIO;
- }
+ sdw_dev = acpi_find_child_device(ACPI_COMPANION(dev), addr, 0);
+ if (!sdw_dev)
+ return -ENODEV;
- ret = fwnode_property_read_u32(link, "amd-sdw-power-mode", &acp_sdw_power_mode);
- if (ret)
- return ret;
- /*
- * when SoundWire configuration is selected from acp pin config,
- * based on manager instances count, acp init/de-init sequence should be
- * executed as part of PM ops only when Bus reset is applied for the active
- * SoundWire manager instances.
- */
- if (acp_sdw_power_mode != AMD_SDW_POWER_OFF_MODE) {
- acp_data->acp_reset = false;
- return 0;
- }
- }
+ acp_data->info.handle = sdw_dev->handle;
+ acp_data->info.count = AMD_SDW_MAX_MANAGERS;
+ return amd_sdw_scan_controller(&acp_data->info);
+}
+#else
+static int acp_scan_sdw_devices(struct device *dev, u64 addr)
+{
return 0;
}
+#endif
-static int get_acp63_device_config(u32 config, struct pci_dev *pci, struct acp63_dev_data *acp_data)
+static int get_acp63_device_config(struct pci_dev *pci, struct acp63_dev_data *acp_data)
{
- struct acpi_device *dmic_dev;
- struct acpi_device *sdw_dev;
+ struct acpi_device *pdm_dev;
const union acpi_object *obj;
+ u32 config;
bool is_dmic_dev = false;
bool is_sdw_dev = false;
int ret;
- dmic_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_DMIC_ADDR, 0);
- if (dmic_dev) {
- /* is_dmic_dev flag will be set when ACP PDM controller device exists */
- if (!acpi_dev_get_property(dmic_dev, "acp-audio-device-type",
- ACPI_TYPE_INTEGER, &obj) &&
- obj->integer.value == ACP_DMIC_DEV)
- is_dmic_dev = true;
- }
-
- sdw_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_SDW_ADDR, 0);
- if (sdw_dev) {
- acp_data->sdw_fw_node = acpi_fwnode_handle(sdw_dev);
- ret = sdw_amd_scan_controller(&pci->dev);
- /* is_sdw_dev flag will be set when SoundWire Manager device exists */
- if (!ret)
- is_sdw_dev = true;
- }
- if (!is_dmic_dev && !is_sdw_dev)
- return -ENODEV;
- dev_dbg(&pci->dev, "Audio Mode %d\n", config);
+ config = readl(acp_data->acp63_base + ACP_PIN_CONFIG);
switch (config) {
case ACP_CONFIG_4:
case ACP_CONFIG_5:
case ACP_CONFIG_10:
case ACP_CONFIG_11:
- if (is_dmic_dev) {
- acp_data->pdev_config = ACP63_PDM_DEV_CONFIG;
- acp_data->pdev_count = ACP63_PDM_MODE_DEVS;
- }
+ acp_data->is_pdm_config = true;
break;
case ACP_CONFIG_2:
case ACP_CONFIG_3:
- if (is_sdw_dev) {
- switch (acp_data->sdw_manager_count) {
- case 1:
- acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
- acp_data->pdev_count = ACP63_SDW0_MODE_DEVS;
- break;
- case 2:
- acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
- acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS;
- break;
- default:
- return -EINVAL;
- }
- }
+ acp_data->is_sdw_config = true;
break;
case ACP_CONFIG_6:
case ACP_CONFIG_7:
case ACP_CONFIG_8:
case ACP_CONFIG_13:
case ACP_CONFIG_14:
- if (is_dmic_dev && is_sdw_dev) {
- switch (acp_data->sdw_manager_count) {
- case 1:
- acp_data->pdev_config = ACP63_SDW_PDM_DEV_CONFIG;
- acp_data->pdev_count = ACP63_SDW0_PDM_MODE_DEVS;
- break;
- case 2:
- acp_data->pdev_config = ACP63_SDW_PDM_DEV_CONFIG;
- acp_data->pdev_count = ACP63_SDW0_SDW1_PDM_MODE_DEVS;
- break;
- default:
- return -EINVAL;
- }
- } else if (is_dmic_dev) {
- acp_data->pdev_config = ACP63_PDM_DEV_CONFIG;
- acp_data->pdev_count = ACP63_PDM_MODE_DEVS;
- } else if (is_sdw_dev) {
- switch (acp_data->sdw_manager_count) {
- case 1:
- acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
- acp_data->pdev_count = ACP63_SDW0_MODE_DEVS;
- break;
- case 2:
- acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
- acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS;
- break;
- default:
- return -EINVAL;
- }
- }
+ acp_data->is_pdm_config = true;
+ acp_data->is_sdw_config = true;
break;
default:
break;
}
+
+ if (acp_data->is_pdm_config) {
+ pdm_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_DMIC_ADDR, 0);
+ if (pdm_dev) {
+ /* is_dmic_dev flag will be set when ACP PDM controller device exists */
+ if (!acpi_dev_get_property(pdm_dev, "acp-audio-device-type",
+ ACPI_TYPE_INTEGER, &obj) &&
+ obj->integer.value == ACP_DMIC_DEV)
+ is_dmic_dev = true;
+ }
+ }
+
+ if (acp_data->is_sdw_config) {
+ ret = acp_scan_sdw_devices(&pci->dev, ACP63_SDW_ADDR);
+ if (!ret && acp_data->info.link_mask)
+ is_sdw_dev = true;
+ }
+
+ acp_data->is_pdm_dev = is_dmic_dev;
+ acp_data->is_sdw_dev = is_sdw_dev;
+ if (!is_dmic_dev && !is_sdw_dev) {
+ dev_dbg(&pci->dev, "No PDM or SoundWire manager devices found\n");
+ return -ENODEV;
+ }
return 0;
}
struct acp63_dev_data *adata;
u32 addr;
u32 irqflags, flag;
- int val;
int ret;
irqflags = IRQF_SHARED;
dev_err(&pci->dev, "ACP PCI IRQ request failed\n");
goto de_init;
}
- val = readl(adata->acp63_base + ACP_PIN_CONFIG);
- ret = get_acp63_device_config(val, pci, adata);
+ ret = get_acp63_device_config(pci, adata);
/* ACP PCI driver probe should be continued even PDM or SoundWire Devices are not found */
if (ret) {
dev_dbg(&pci->dev, "get acp device config failed:%d\n", ret);
MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
MODULE_AUTHOR("Syed.SabaKareem@amd.com");
MODULE_DESCRIPTION("AMD ACP Pink Sardine PCI driver");
+MODULE_IMPORT_NS(SND_AMD_SOUNDWIRE_ACPI);
MODULE_LICENSE("GPL v2");
projects / linux.git / commitdiff