ASoC: amd: ps: create platform devices based on acp config
Based on ACP pin configuration and scanning child devices under ACP pci device ACPI scope, platform device configuration (pdev_config) and platform device count(pdev_count) will be calculated. Using pdev_config and pdev_count values, ACP PCI driver will create platform devices for Pink Sardine platform. Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Link: https://lore.kernel.org/r/20230612095903.2113464-2-Vijendar.Mukunda@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Родитель
0a08778126
Коммит
d1351c30ac
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@ -10,7 +10,7 @@
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#define ACP_DEVICE_ID 0x15E2
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#define ACP63_REG_START 0x1240000
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#define ACP63_REG_END 0x1250200
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#define ACP63_DEVS 3
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#define ACP63_DEVS 5
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#define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK 0x00010001
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#define ACP_PGFSM_CNTL_POWER_ON_MASK 1
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@ -53,14 +53,53 @@
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/* time in ms for runtime suspend delay */
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#define ACP_SUSPEND_DELAY_MS 2000
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#define ACP63_DMIC_ADDR 2
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#define ACP63_PDM_MODE_DEVS 3
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#define ACP63_PDM_DEV_MASK 1
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#define ACP_DMIC_DEV 2
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/* ACP63_PDM_MODE_DEVS corresponds to platform devices count for ACP PDM configuration */
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#define ACP63_PDM_MODE_DEVS 3
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/*
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* ACP63_SDW0_MODE_DEVS corresponds to platform devices count for
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* SW0 SoundWire manager instance configuration
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*/
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#define ACP63_SDW0_MODE_DEVS 2
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/*
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* ACP63_SDW0_SDW1_MODE_DEVS corresponds to platform devices count for SW0 + SW1 SoundWire manager
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* instances configuration
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*/
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#define ACP63_SDW0_SDW1_MODE_DEVS 3
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/*
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* ACP63_SDW0_PDM_MODE_DEVS corresponds to platform devices count for SW0 manager
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* instance + ACP PDM controller configuration
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*/
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#define ACP63_SDW0_PDM_MODE_DEVS 4
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/*
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* ACP63_SDW0_SDW1_PDM_MODE_DEVS corresponds to platform devices count for
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* SW0 + SW1 SoundWire manager instances + ACP PDM controller configuration
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*/
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#define ACP63_SDW0_SDW1_PDM_MODE_DEVS 5
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#define ACP63_DMIC_ADDR 2
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#define ACP63_SDW_ADDR 5
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#define AMD_SDW_MAX_MANAGERS 2
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/* time in ms for acp timeout */
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#define ACP_TIMEOUT 500
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/* ACP63_PDM_DEV_CONFIG corresponds to platform device configuration for ACP PDM controller */
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#define ACP63_PDM_DEV_CONFIG BIT(0)
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/* ACP63_SDW_DEV_CONFIG corresponds to platform device configuration for SDW manager instances */
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#define ACP63_SDW_DEV_CONFIG BIT(1)
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/*
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* ACP63_SDW_PDM_DEV_CONFIG corresponds to platform device configuration for ACP PDM + SoundWire
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* manager instance combination.
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*/
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#define ACP63_SDW_PDM_DEV_CONFIG GENMASK(1, 0)
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enum acp_config {
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ACP_CONFIG_0 = 0,
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ACP_CONFIG_1,
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@ -95,14 +134,38 @@ struct pdm_dev_data {
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struct snd_pcm_substream *capture_stream;
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};
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/**
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* struct acp63_dev_data - acp pci driver context
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* @acp63_base: acp mmio base
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* @res: resource
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* @pdev: array of child platform device node structures
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* @acp_lock: used to protect acp common registers
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* @sdw_fw_node: SoundWire controller fw node handle
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* @pdev_config: platform device configuration
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* @pdev_count: platform devices count
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* @pdm_dev_index: pdm platform device index
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* @sdw_manager_count: SoundWire manager instance count
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* @sdw0_dev_index: SoundWire Manager-0 platform device index
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* @sdw1_dev_index: SoundWire Manager-1 platform device index
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* @sdw_dma_dev_index: SoundWire DMA controller platform device index
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* @acp_reset: flag set to true when bus reset is applied across all
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* the active SoundWire manager instances
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*/
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struct acp63_dev_data {
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void __iomem *acp63_base;
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struct resource *res;
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struct platform_device *pdev[ACP63_DEVS];
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struct mutex acp_lock; /* protect shared registers */
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u16 pdev_mask;
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struct fwnode_handle *sdw_fw_node;
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u16 pdev_config;
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u16 pdev_count;
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u16 pdm_dev_index;
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u8 sdw_manager_count;
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u16 sdw0_dev_index;
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u16 sdw1_dev_index;
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u16 sdw_dma_dev_index;
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bool acp_reset;
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};
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int snd_amd_acp_find_config(struct pci_dev *pci);
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@ -6,6 +6,7 @@
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*/
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#include <linux/pci.h>
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#include <linux/bitops.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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@ -15,6 +16,7 @@
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#include <sound/pcm_params.h>
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#include <linux/pm_runtime.h>
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#include <linux/iopoll.h>
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#include <linux/soundwire/sdw_amd.h>
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#include "acp63.h"
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@ -119,37 +121,164 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id)
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return IRQ_NONE;
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}
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static void get_acp63_device_config(u32 config, struct pci_dev *pci,
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struct acp63_dev_data *acp_data)
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static int sdw_amd_scan_controller(struct device *dev)
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{
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struct acp63_dev_data *acp_data;
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struct fwnode_handle *link;
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char name[32];
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u32 sdw_manager_bitmap;
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u8 count = 0;
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u32 acp_sdw_power_mode = 0;
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int index;
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int ret;
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acp_data = dev_get_drvdata(dev);
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/*
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* Current implementation is based on MIPI DisCo 2.0 spec.
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* Found controller, find links supported.
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*/
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ret = fwnode_property_read_u32_array((acp_data->sdw_fw_node), "mipi-sdw-manager-list",
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&sdw_manager_bitmap, 1);
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if (ret) {
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dev_err(dev, "Failed to read mipi-sdw-manager-list: %d\n", ret);
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return -EINVAL;
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}
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count = hweight32(sdw_manager_bitmap);
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/* Check count is within bounds */
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if (count > AMD_SDW_MAX_MANAGERS) {
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dev_err(dev, "Manager count %d exceeds max %d\n", count, AMD_SDW_MAX_MANAGERS);
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return -EINVAL;
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}
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if (!count) {
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dev_dbg(dev, "No SoundWire Managers detected\n");
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return -EINVAL;
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}
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dev_dbg(dev, "ACPI reports %d SoundWire Manager devices\n", count);
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acp_data->sdw_manager_count = count;
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for (index = 0; index < count; index++) {
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snprintf(name, sizeof(name), "mipi-sdw-link-%d-subproperties", index);
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link = fwnode_get_named_child_node(acp_data->sdw_fw_node, name);
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if (!link) {
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dev_err(dev, "Manager node %s not found\n", name);
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return -EIO;
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}
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ret = fwnode_property_read_u32(link, "amd-sdw-power-mode", &acp_sdw_power_mode);
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if (ret)
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return ret;
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/*
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* when SoundWire configuration is selected from acp pin config,
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* based on manager instances count, acp init/de-init sequence should be
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* executed as part of PM ops only when Bus reset is applied for the active
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* SoundWire manager instances.
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*/
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if (acp_sdw_power_mode != AMD_SDW_POWER_OFF_MODE) {
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acp_data->acp_reset = false;
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return 0;
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}
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}
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return 0;
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}
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static int get_acp63_device_config(u32 config, struct pci_dev *pci, struct acp63_dev_data *acp_data)
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{
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struct acpi_device *dmic_dev;
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struct acpi_device *sdw_dev;
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const union acpi_object *obj;
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bool is_dmic_dev = false;
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bool is_sdw_dev = false;
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int ret;
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dmic_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_DMIC_ADDR, 0);
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if (dmic_dev) {
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/* is_dmic_dev flag will be set when ACP PDM controller device exists */
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if (!acpi_dev_get_property(dmic_dev, "acp-audio-device-type",
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ACPI_TYPE_INTEGER, &obj) &&
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obj->integer.value == ACP_DMIC_DEV)
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is_dmic_dev = true;
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}
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sdw_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_SDW_ADDR, 0);
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if (sdw_dev) {
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acp_data->sdw_fw_node = acpi_fwnode_handle(sdw_dev);
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ret = sdw_amd_scan_controller(&pci->dev);
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/* is_sdw_dev flag will be set when SoundWire Manager device exists */
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if (!ret)
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is_sdw_dev = true;
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}
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if (!is_dmic_dev && !is_sdw_dev)
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return -ENODEV;
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dev_dbg(&pci->dev, "Audio Mode %d\n", config);
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switch (config) {
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case ACP_CONFIG_0:
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case ACP_CONFIG_1:
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case ACP_CONFIG_2:
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case ACP_CONFIG_3:
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case ACP_CONFIG_9:
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case ACP_CONFIG_15:
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dev_dbg(&pci->dev, "Audio Mode %d\n", config);
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break;
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default:
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case ACP_CONFIG_4:
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case ACP_CONFIG_5:
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case ACP_CONFIG_10:
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case ACP_CONFIG_11:
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if (is_dmic_dev) {
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acp_data->pdev_mask = ACP63_PDM_DEV_MASK;
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acp_data->pdev_config = ACP63_PDM_DEV_CONFIG;
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acp_data->pdev_count = ACP63_PDM_MODE_DEVS;
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}
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break;
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case ACP_CONFIG_2:
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case ACP_CONFIG_3:
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if (is_sdw_dev) {
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switch (acp_data->sdw_manager_count) {
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case 1:
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acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
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acp_data->pdev_count = ACP63_SDW0_MODE_DEVS;
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break;
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case 2:
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acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
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acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS;
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break;
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default:
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return -EINVAL;
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}
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}
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break;
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case ACP_CONFIG_6:
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case ACP_CONFIG_7:
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case ACP_CONFIG_12:
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case ACP_CONFIG_8:
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case ACP_CONFIG_13:
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case ACP_CONFIG_14:
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if (is_dmic_dev && is_sdw_dev) {
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switch (acp_data->sdw_manager_count) {
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case 1:
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acp_data->pdev_config = ACP63_SDW_PDM_DEV_CONFIG;
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acp_data->pdev_count = ACP63_SDW0_PDM_MODE_DEVS;
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break;
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case 2:
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acp_data->pdev_config = ACP63_SDW_PDM_DEV_CONFIG;
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acp_data->pdev_count = ACP63_SDW0_SDW1_PDM_MODE_DEVS;
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break;
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default:
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return -EINVAL;
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}
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} else if (is_dmic_dev) {
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acp_data->pdev_config = ACP63_PDM_DEV_CONFIG;
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acp_data->pdev_count = ACP63_PDM_MODE_DEVS;
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} else if (is_sdw_dev) {
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switch (acp_data->sdw_manager_count) {
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case 1:
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acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
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acp_data->pdev_count = ACP63_SDW0_MODE_DEVS;
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break;
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case 2:
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acp_data->pdev_config = ACP63_SDW_DEV_CONFIG;
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acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS;
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break;
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default:
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return -EINVAL;
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}
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static void acp63_fill_platform_dev_info(struct platform_device_info *pdevinfo,
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@ -173,6 +302,7 @@ static void acp63_fill_platform_dev_info(struct platform_device_info *pdevinfo,
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static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data *adata, u32 addr)
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{
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struct acp_sdw_pdata *sdw_pdata;
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struct platform_device_info pdevinfo[ACP63_DEVS];
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struct device *parent;
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int index;
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@ -180,9 +310,9 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data
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parent = &pci->dev;
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dev_dbg(&pci->dev,
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"%s pdev_mask:0x%x pdev_count:0x%x\n", __func__, adata->pdev_mask,
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"%s pdev_config:0x%x pdev_count:0x%x\n", __func__, adata->pdev_config,
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adata->pdev_count);
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if (adata->pdev_mask) {
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if (adata->pdev_config) {
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adata->res = devm_kzalloc(&pci->dev, sizeof(struct resource), GFP_KERNEL);
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if (!adata->res) {
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ret = -ENOMEM;
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@ -194,8 +324,8 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data
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memset(&pdevinfo, 0, sizeof(pdevinfo));
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}
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switch (adata->pdev_mask) {
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case ACP63_PDM_DEV_MASK:
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switch (adata->pdev_config) {
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case ACP63_PDM_DEV_CONFIG:
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adata->pdm_dev_index = 0;
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acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma",
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0, adata->res, 1, NULL, 0);
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@ -204,8 +334,104 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data
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acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "acp_ps_mach",
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0, NULL, 0, NULL, 0);
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break;
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case ACP63_SDW_DEV_CONFIG:
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if (adata->pdev_count == ACP63_SDW0_MODE_DEVS) {
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sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata),
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GFP_KERNEL);
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if (!sdw_pdata) {
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ret = -ENOMEM;
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goto de_init;
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}
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sdw_pdata->instance = 0;
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sdw_pdata->acp_sdw_lock = &adata->acp_lock;
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adata->sdw0_dev_index = 0;
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adata->sdw_dma_dev_index = 1;
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acp63_fill_platform_dev_info(&pdevinfo[0], parent, adata->sdw_fw_node,
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"amd_sdw_manager", 0, adata->res, 1,
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sdw_pdata, sizeof(struct acp_sdw_pdata));
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acp63_fill_platform_dev_info(&pdevinfo[1], parent, NULL, "amd_ps_sdw_dma",
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0, adata->res, 1, NULL, 0);
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} else if (adata->pdev_count == ACP63_SDW0_SDW1_MODE_DEVS) {
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sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata) * 2,
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GFP_KERNEL);
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if (!sdw_pdata) {
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ret = -ENOMEM;
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goto de_init;
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}
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sdw_pdata[0].instance = 0;
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sdw_pdata[1].instance = 1;
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sdw_pdata[0].acp_sdw_lock = &adata->acp_lock;
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sdw_pdata[1].acp_sdw_lock = &adata->acp_lock;
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sdw_pdata->acp_sdw_lock = &adata->acp_lock;
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adata->sdw0_dev_index = 0;
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adata->sdw1_dev_index = 1;
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adata->sdw_dma_dev_index = 2;
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acp63_fill_platform_dev_info(&pdevinfo[0], parent, adata->sdw_fw_node,
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"amd_sdw_manager", 0, adata->res, 1,
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&sdw_pdata[0], sizeof(struct acp_sdw_pdata));
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acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node,
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"amd_sdw_manager", 1, adata->res, 1,
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&sdw_pdata[1], sizeof(struct acp_sdw_pdata));
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acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "amd_ps_sdw_dma",
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0, adata->res, 1, NULL, 0);
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}
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break;
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case ACP63_SDW_PDM_DEV_CONFIG:
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if (adata->pdev_count == ACP63_SDW0_PDM_MODE_DEVS) {
|
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sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata),
|
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GFP_KERNEL);
|
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if (!sdw_pdata) {
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ret = -ENOMEM;
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goto de_init;
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}
|
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|
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sdw_pdata->instance = 0;
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sdw_pdata->acp_sdw_lock = &adata->acp_lock;
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adata->pdm_dev_index = 0;
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adata->sdw0_dev_index = 1;
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adata->sdw_dma_dev_index = 2;
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acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma",
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0, adata->res, 1, NULL, 0);
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acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node,
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"amd_sdw_manager", 0, adata->res, 1,
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sdw_pdata, sizeof(struct acp_sdw_pdata));
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acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "amd_ps_sdw_dma",
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0, adata->res, 1, NULL, 0);
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acp63_fill_platform_dev_info(&pdevinfo[3], parent, NULL, "dmic-codec",
|
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0, NULL, 0, NULL, 0);
|
||||
} else if (adata->pdev_count == ACP63_SDW0_SDW1_PDM_MODE_DEVS) {
|
||||
sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata) * 2,
|
||||
GFP_KERNEL);
|
||||
if (!sdw_pdata) {
|
||||
ret = -ENOMEM;
|
||||
goto de_init;
|
||||
}
|
||||
sdw_pdata[0].instance = 0;
|
||||
sdw_pdata[1].instance = 1;
|
||||
sdw_pdata[0].acp_sdw_lock = &adata->acp_lock;
|
||||
sdw_pdata[1].acp_sdw_lock = &adata->acp_lock;
|
||||
adata->pdm_dev_index = 0;
|
||||
adata->sdw0_dev_index = 1;
|
||||
adata->sdw1_dev_index = 2;
|
||||
adata->sdw_dma_dev_index = 3;
|
||||
acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma",
|
||||
0, adata->res, 1, NULL, 0);
|
||||
acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node,
|
||||
"amd_sdw_manager", 0, adata->res, 1,
|
||||
&sdw_pdata[0], sizeof(struct acp_sdw_pdata));
|
||||
acp63_fill_platform_dev_info(&pdevinfo[2], parent, adata->sdw_fw_node,
|
||||
"amd_sdw_manager", 1, adata->res, 1,
|
||||
&sdw_pdata[1], sizeof(struct acp_sdw_pdata));
|
||||
acp63_fill_platform_dev_info(&pdevinfo[3], parent, NULL, "amd_ps_sdw_dma",
|
||||
0, adata->res, 1, NULL, 0);
|
||||
acp63_fill_platform_dev_info(&pdevinfo[4], parent, NULL, "dmic-codec",
|
||||
0, NULL, 0, NULL, 0);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
dev_dbg(&pci->dev, "No PDM devices found\n");
|
||||
dev_dbg(&pci->dev, "No PDM or SoundWire manager devices found\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -276,6 +502,13 @@ static int snd_acp63_probe(struct pci_dev *pci,
|
|||
ret = -ENOMEM;
|
||||
goto release_regions;
|
||||
}
|
||||
/*
|
||||
* By default acp_reset flag is set to true. i.e acp_deinit() and acp_init()
|
||||
* will be invoked for all ACP configurations during suspend/resume callbacks.
|
||||
* This flag should be set to false only when SoundWire manager power mode
|
||||
* set to ClockStopMode.
|
||||
*/
|
||||
adata->acp_reset = true;
|
||||
pci_set_master(pci);
|
||||
pci_set_drvdata(pci, adata);
|
||||
mutex_init(&adata->acp_lock);
|
||||
|
@ -289,12 +522,18 @@ static int snd_acp63_probe(struct pci_dev *pci,
|
|||
goto de_init;
|
||||
}
|
||||
val = readl(adata->acp63_base + ACP_PIN_CONFIG);
|
||||
get_acp63_device_config(val, pci, adata);
|
||||
ret = get_acp63_device_config(val, pci, adata);
|
||||
/* ACP PCI driver probe should be continued even PDM or SoundWire Devices are not found */
|
||||
if (ret) {
|
||||
dev_err(&pci->dev, "get acp device config failed:%d\n", ret);
|
||||
goto skip_pdev_creation;
|
||||
}
|
||||
ret = create_acp63_platform_devs(pci, adata, addr);
|
||||
if (ret < 0) {
|
||||
dev_err(&pci->dev, "ACP platform devices creation failed\n");
|
||||
goto de_init;
|
||||
}
|
||||
skip_pdev_creation:
|
||||
pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);
|
||||
pm_runtime_use_autosuspend(&pci->dev);
|
||||
pm_runtime_put_noidle(&pci->dev);
|
||||
|
|
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