Create platform devices for sdw controllers and PDM controller based on ACP pin config selection and ACPI fw handle for pink sardine platform.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com Signed-off-by: Mastan Katragadda Mastan.Katragadda@amd.com --- include/linux/soundwire/sdw_amd.h | 18 +++ sound/soc/amd/ps/acp63.h | 24 ++- sound/soc/amd/ps/pci-ps.c | 248 ++++++++++++++++++++++++++++-- 3 files changed, 277 insertions(+), 13 deletions(-) create mode 100644 include/linux/soundwire/sdw_amd.h
diff --git a/include/linux/soundwire/sdw_amd.h b/include/linux/soundwire/sdw_amd.h new file mode 100644 index 000000000000..f0123815af46 --- /dev/null +++ b/include/linux/soundwire/sdw_amd.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved. + */ + +#ifndef __SDW_AMD_H +#define __SDW_AMD_H + +#include <linux/soundwire/sdw.h> + +#define AMD_SDW_CLK_STOP_MODE 1 +#define AMD_SDW_POWER_OFF_MODE 2 + +struct acp_sdw_pdata { + u16 instance; + struct mutex *sdw_lock; +}; +#endif diff --git a/sound/soc/amd/ps/acp63.h b/sound/soc/amd/ps/acp63.h index b7535c7d093f..ed979e6d0c1d 100644 --- a/sound/soc/amd/ps/acp63.h +++ b/sound/soc/amd/ps/acp63.h @@ -10,7 +10,7 @@ #define ACP_DEVICE_ID 0x15E2 #define ACP63_REG_START 0x1240000 #define ACP63_REG_END 0x1250200 -#define ACP63_DEVS 3 +#define ACP63_DEVS 5
#define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK 0x00010001 #define ACP_PGFSM_CNTL_POWER_ON_MASK 1 @@ -55,8 +55,14 @@
#define ACP63_DMIC_ADDR 2 #define ACP63_PDM_MODE_DEVS 3 -#define ACP63_PDM_DEV_MASK 1 #define ACP_DMIC_DEV 2 +#define ACP63_SDW0_MODE_DEVS 2 +#define ACP63_SDW0_SDW1_MODE_DEVS 3 +#define ACP63_SDW0_PDM_MODE_DEVS 4 +#define ACP63_SDW0_SDW1_PDM_MODE_DEVS 5 +#define ACP63_DMIC_ADDR 2 +#define ACP63_SDW_ADDR 5 +#define AMD_SDW_MAX_CONTROLLERS 2
enum acp_config { ACP_CONFIG_0 = 0, @@ -77,6 +83,12 @@ enum acp_config { ACP_CONFIG_15, };
+enum acp_pdev_mask { + ACP63_PDM_DEV_MASK = 1, + ACP63_SDW_DEV_MASK, + ACP63_SDW_PDM_DEV_MASK, +}; + struct pdm_stream_instance { u16 num_pages; u16 channels; @@ -107,7 +119,15 @@ struct acp63_dev_data { struct resource *res; struct platform_device *pdev[ACP63_DEVS]; struct mutex acp_lock; /* protect shared registers */ + struct fwnode_handle *sdw_fw_node; u16 pdev_mask; u16 pdev_count; u16 pdm_dev_index; + u8 sdw_master_count; + u16 sdw0_dev_index; + u16 sdw1_dev_index; + u16 sdw_dma_dev_index; + bool is_dmic_dev; + bool is_sdw_dev; + bool acp_sdw_power_off; }; diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c index e86f23d97584..85154cf0b2a2 100644 --- a/sound/soc/amd/ps/pci-ps.c +++ b/sound/soc/amd/ps/pci-ps.c @@ -14,6 +14,7 @@ #include <linux/interrupt.h> #include <sound/pcm_params.h> #include <linux/pm_runtime.h> +#include <linux/soundwire/sdw_amd.h>
#include "acp63.h"
@@ -134,12 +135,68 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id) return IRQ_NONE; }
-static void get_acp63_device_config(u32 config, struct pci_dev *pci, - struct acp63_dev_data *acp_data) +static int sdw_amd_scan_controller(struct device *dev) +{ + struct acp63_dev_data *acp_data; + struct fwnode_handle *link; + char name[32]; + u8 count = 0; + u32 acp_sdw_power_mode = 0; + int index; + int ret; + + acp_data = dev_get_drvdata(dev); + acp_data->acp_sdw_power_off = true; + /* Found controller, find links supported */ + ret = fwnode_property_read_u8_array((acp_data->sdw_fw_node), + "mipi-sdw-master-count", &count, 1); + + if (ret) { + dev_err(dev, + "Failed to read mipi-sdw-master-count: %d\n", ret); + return -EINVAL; + } + + /* Check count is within bounds */ + if (count > AMD_SDW_MAX_CONTROLLERS) { + dev_err(dev, "Controller count %d exceeds max %d\n", + count, AMD_SDW_MAX_CONTROLLERS); + return -EINVAL; + } + + if (!count) { + dev_warn(dev, "No SoundWire controllers detected\n"); + return -EINVAL; + } + dev_dbg(dev, "ACPI reports %d Soundwire Controller devices\n", count); + acp_data->sdw_master_count = count; + for (index = 0; index < count; index++) { + snprintf(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, "Master node %s not found\n", name); + return -EIO; + } + + fwnode_property_read_u32(link, "amd-sdw-power-mode", + &acp_sdw_power_mode); + if (acp_sdw_power_mode != AMD_SDW_POWER_OFF_MODE) + acp_data->acp_sdw_power_off = false; + } + return 0; +} + +static int get_acp63_device_config(u32 config, struct pci_dev *pci, struct acp63_dev_data *acp_data) { struct acpi_device *dmic_dev; + struct acpi_device *sdw_dev; + struct device *dev; const union acpi_object *obj; bool is_dmic_dev = false; + bool is_sdw_dev = false; + int ret; + + dev = &pci->dev;
dmic_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_DMIC_ADDR, 0); if (dmic_dev) { @@ -149,22 +206,84 @@ static void get_acp63_device_config(u32 config, struct pci_dev *pci, is_dmic_dev = true; }
+ sdw_dev = acpi_find_child_device(ACPI_COMPANION(&pci->dev), ACP63_SDW_ADDR, 0); + if (sdw_dev) { + is_sdw_dev = true; + acp_data->sdw_fw_node = acpi_fwnode_handle(sdw_dev); + ret = sdw_amd_scan_controller(dev); + if (ret) + return ret; + } + + dev_dbg(&pci->dev, "Audio Mode %d\n", config); switch (config) { - case ACP_CONFIG_0: - case ACP_CONFIG_1: + case ACP_CONFIG_4: + case ACP_CONFIG_5: + case ACP_CONFIG_10: + case ACP_CONFIG_11: + if (is_dmic_dev) { + acp_data->pdev_mask = ACP63_PDM_DEV_MASK; + acp_data->pdev_count = ACP63_PDM_MODE_DEVS; + } + break; case ACP_CONFIG_2: case ACP_CONFIG_3: - case ACP_CONFIG_9: - case ACP_CONFIG_15: - dev_dbg(&pci->dev, "Audio Mode %d\n", config); + if (is_sdw_dev) { + switch (acp_data->sdw_master_count) { + case 1: + acp_data->pdev_mask = ACP63_SDW_DEV_MASK; + acp_data->pdev_count = ACP63_SDW0_MODE_DEVS; + break; + case 2: + acp_data->pdev_mask = ACP63_SDW_DEV_MASK; + acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS; + break; + default: + return -EINVAL; + } + } break; - default: - if (is_dmic_dev) { + case ACP_CONFIG_6: + case ACP_CONFIG_7: + case ACP_CONFIG_12: + case ACP_CONFIG_8: + case ACP_CONFIG_13: + case ACP_CONFIG_14: + if (is_dmic_dev && is_sdw_dev) { + switch (acp_data->sdw_master_count) { + case 1: + acp_data->pdev_mask = ACP63_SDW_PDM_DEV_MASK; + acp_data->pdev_count = ACP63_SDW0_PDM_MODE_DEVS; + break; + case 2: + acp_data->pdev_mask = ACP63_SDW_PDM_DEV_MASK; + acp_data->pdev_count = ACP63_SDW0_SDW1_PDM_MODE_DEVS; + break; + default: + return -EINVAL; + } + } else if (is_dmic_dev) { acp_data->pdev_mask = ACP63_PDM_DEV_MASK; acp_data->pdev_count = ACP63_PDM_MODE_DEVS; + } else if (is_sdw_dev) { + switch (acp_data->sdw_master_count) { + case 1: + acp_data->pdev_mask = ACP63_SDW_DEV_MASK; + acp_data->pdev_count = ACP63_SDW0_MODE_DEVS; + break; + case 2: + acp_data->pdev_mask = ACP63_SDW_DEV_MASK; + acp_data->pdev_count = ACP63_SDW0_SDW1_MODE_DEVS; + break; + default: + return -EINVAL; + } } break; + default: + break; } + return 0; }
static void acp63_fill_platform_dev_info(struct platform_device_info *pdevinfo, @@ -188,6 +307,7 @@ static void acp63_fill_platform_dev_info(struct platform_device_info *pdevinfo,
static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data *adata, u32 addr) { + struct acp_sdw_pdata *sdw_pdata; struct platform_device_info pdevinfo[ACP63_DEVS]; struct device *parent; int index; @@ -220,8 +340,110 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "acp_ps_mach", 0, NULL, 0, NULL, 0); break; + case ACP63_SDW_DEV_MASK: + if (adata->pdev_count == ACP63_SDW0_MODE_DEVS) { + sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata), + GFP_KERNEL); + if (!sdw_pdata) { + ret = -ENOMEM; + goto de_init; + } + + sdw_pdata->instance = 0; + sdw_pdata->sdw_lock = &adata->acp_lock; + adata->sdw0_dev_index = 0; + adata->sdw_dma_dev_index = 1; + acp63_fill_platform_dev_info(&pdevinfo[0], parent, adata->sdw_fw_node, + "amd_sdw_controller", 0, adata->res, 1, + sdw_pdata, sizeof(struct acp_sdw_pdata)); + acp63_fill_platform_dev_info(&pdevinfo[1], parent, NULL, "amd_ps_sdw_dma", + 0, adata->res, 1, &adata->acp_lock, + sizeof(adata->acp_lock)); + } else if (adata->pdev_count == ACP63_SDW0_SDW1_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].sdw_lock = &adata->acp_lock; + sdw_pdata[1].sdw_lock = &adata->acp_lock; + sdw_pdata->sdw_lock = &adata->acp_lock; + adata->sdw0_dev_index = 0; + adata->sdw1_dev_index = 1; + adata->sdw_dma_dev_index = 2; + acp63_fill_platform_dev_info(&pdevinfo[0], parent, adata->sdw_fw_node, + "amd_sdw_controller", 0, adata->res, 1, + &sdw_pdata[0], sizeof(struct acp_sdw_pdata)); + acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node, + "amd_sdw_controller", 1, adata->res, 1, + &sdw_pdata[1], sizeof(struct acp_sdw_pdata)); + acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "amd_ps_sdw_dma", + 0, adata->res, 1, &adata->acp_lock, + sizeof(adata->acp_lock)); + } + break; + case ACP63_SDW_PDM_DEV_MASK: + if (adata->pdev_count == ACP63_SDW0_PDM_MODE_DEVS) { + sdw_pdata = devm_kzalloc(&pci->dev, sizeof(struct acp_sdw_pdata), + GFP_KERNEL); + if (!sdw_pdata) { + ret = -ENOMEM; + goto de_init; + } + + sdw_pdata->instance = 0; + sdw_pdata->sdw_lock = &adata->acp_lock; + adata->pdm_dev_index = 0; + adata->sdw0_dev_index = 1; + adata->sdw_dma_dev_index = 2; + acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma", + 0, adata->res, 1, &adata->acp_lock, + sizeof(adata->acp_lock)); + acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node, + "amd_sdw_controller", 0, adata->res, 1, + sdw_pdata, sizeof(struct acp_sdw_pdata)); + acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "amd_ps_sdw_dma", + 0, adata->res, 1, &adata->acp_lock, + sizeof(adata->acp_lock)); + acp63_fill_platform_dev_info(&pdevinfo[3], parent, NULL, "dmic-codec", + 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].sdw_lock = &adata->acp_lock; + sdw_pdata[1].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, &adata->acp_lock, + sizeof(adata->acp_lock)); + acp63_fill_platform_dev_info(&pdevinfo[1], parent, adata->sdw_fw_node, + "amd_sdw_controller", 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_controller", 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, &adata->acp_lock, + sizeof(adata->acp_lock)); + 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 controller devices found\n"); return 0; }
@@ -299,7 +521,11 @@ static int snd_acp63_probe(struct pci_dev *pci, goto de_init; } val = acp63_readl(adata->acp63_base + ACP_PIN_CONFIG); - get_acp63_device_config(val, pci, adata); + ret = get_acp63_device_config(val, pci, adata); + if (ret) { + dev_err(&pci->dev, "get acp device config failed:%d\n", ret); + goto de_init; + } ret = create_acp63_platform_devs(pci, adata, addr); if (ret < 0) { dev_err(&pci->dev, "ACP platform devices creation failed\n");