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ASoC: amd: ps: refactor acp child platform device creation code
Refactor ACP child platform device creation code based on acp config. Use common SoundWire manager functions for device probe and exit sequences. Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Link: https://msgid.link/r/20240214104014.1144668-2-Vijendar.Mukunda@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda
Mark Brown
parent
0386d765f2
commit
eaf825037d
2 changed files with 120 additions and 194 deletions
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@ -11,7 +11,6 @@
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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 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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@ -56,32 +55,6 @@
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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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@ -89,17 +62,6 @@
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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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#define ACP_SDW0_STAT BIT(21)
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#define ACP_SDW1_STAT BIT(2)
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#define ACP_ERROR_IRQ BIT(29)
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@ -254,21 +216,18 @@ struct sdw_dma_ring_buf_reg {
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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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* @pdm_dev: ACP PDM controller platform device
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* @dmic_codec: platform device for DMIC Codec
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* sdw_dma_dev: platform device for SoundWire DMA controller
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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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* @info: SoundWire AMD information found in ACPI tables
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* @sdw: SoundWire context for all SoundWire manager instances
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* @is_sdw_dev: flag set to true when any SoundWire manager instances are available
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* @is_pdm_dev: flag set to true when ACP PDM controller exists
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* @is_pdm_config: flat set to true when PDM configuration is selected from BIOS
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* @is_sdw_config: flag set to true when SDW configuration is selected from BIOS
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* @addr: pci ioremap address
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* @reg_range: ACP reigister range
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* @sdw0-dma_intr_stat: DMA interrupt status array for SoundWire manager-SW0 instance
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* @sdw_dma_intr_stat: DMA interrupt status array for SoundWire manager-SW1 instance
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* @acp_reset: flag set to true when bus reset is applied across all
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@ -278,21 +237,19 @@ struct sdw_dma_ring_buf_reg {
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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 platform_device *pdm_dev;
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struct platform_device *dmic_codec_dev;
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struct platform_device *sdw_dma_dev;
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struct mutex acp_lock; /* protect shared registers */
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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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struct sdw_amd_acpi_info info;
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/* sdw context allocated by SoundWire driver */
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struct sdw_amd_ctx *sdw;
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bool is_sdw_dev;
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bool is_pdm_dev;
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bool is_pdm_config;
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bool is_sdw_config;
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u32 addr;
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u32 reg_range;
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u16 sdw0_dma_intr_stat[ACP63_SDW0_DMA_MAX_STREAMS];
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u16 sdw1_dma_intr_stat[ACP63_SDW1_DMA_MAX_STREAMS];
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bool acp_reset;
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@ -104,10 +104,8 @@ static irqreturn_t acp63_irq_thread(int irq, void *context)
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struct sdw_dma_dev_data *sdw_dma_data;
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struct acp63_dev_data *adata = context;
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u32 stream_index;
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u16 pdev_index;
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pdev_index = adata->sdw_dma_dev_index;
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sdw_dma_data = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
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sdw_dma_data = dev_get_drvdata(&adata->sdw_dma_dev->dev);
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for (stream_index = 0; stream_index < ACP63_SDW0_DMA_MAX_STREAMS; stream_index++) {
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if (adata->sdw0_dma_intr_stat[stream_index]) {
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@ -135,7 +133,6 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id)
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u32 stream_id = 0;
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u16 irq_flag = 0;
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u16 sdw_dma_irq_flag = 0;
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u16 pdev_index;
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u16 index;
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adata = dev_id;
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@ -149,8 +146,7 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id)
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ext_intr_stat = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
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if (ext_intr_stat & ACP_SDW0_STAT) {
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writel(ACP_SDW0_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
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pdev_index = adata->sdw0_dev_index;
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amd_manager = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
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amd_manager = dev_get_drvdata(&adata->sdw->pdev[0]->dev);
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if (amd_manager)
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schedule_work(&amd_manager->amd_sdw_irq_thread);
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irq_flag = 1;
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@ -159,8 +155,7 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id)
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ext_intr_stat1 = readl(adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
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if (ext_intr_stat1 & ACP_SDW1_STAT) {
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writel(ACP_SDW1_STAT, adata->acp63_base + ACP_EXTERNAL_INTR_STAT1);
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pdev_index = adata->sdw1_dev_index;
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amd_manager = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
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amd_manager = dev_get_drvdata(&adata->sdw->pdev[1]->dev);
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if (amd_manager)
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schedule_work(&amd_manager->amd_sdw_irq_thread);
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irq_flag = 1;
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@ -176,8 +171,7 @@ static irqreturn_t acp63_irq_handler(int irq, void *dev_id)
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}
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if (ext_intr_stat & BIT(PDM_DMA_STAT)) {
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pdev_index = adata->pdm_dev_index;
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ps_pdm_data = dev_get_drvdata(&adata->pdev[pdev_index]->dev);
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ps_pdm_data = dev_get_drvdata(&adata->pdm_dev->dev);
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writel(BIT(PDM_DMA_STAT), adata->acp63_base + ACP_EXTERNAL_INTR_STAT);
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if (ps_pdm_data->capture_stream)
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snd_pcm_period_elapsed(ps_pdm_data->capture_stream);
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@ -255,11 +249,53 @@ static int acp_scan_sdw_devices(struct device *dev, u64 addr)
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acp_data->info.count = AMD_SDW_MAX_MANAGERS;
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return amd_sdw_scan_controller(&acp_data->info);
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}
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static int amd_sdw_probe(struct device *dev)
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{
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struct acp63_dev_data *acp_data;
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struct sdw_amd_res sdw_res;
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int ret;
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acp_data = dev_get_drvdata(dev);
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memset(&sdw_res, 0, sizeof(sdw_res));
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sdw_res.addr = acp_data->addr;
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sdw_res.reg_range = acp_data->reg_range;
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sdw_res.handle = acp_data->info.handle;
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sdw_res.parent = dev;
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sdw_res.dev = dev;
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sdw_res.acp_lock = &acp_data->acp_lock;
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sdw_res.count = acp_data->info.count;
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sdw_res.mmio_base = acp_data->acp63_base;
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sdw_res.link_mask = acp_data->info.link_mask;
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ret = sdw_amd_probe(&sdw_res, &acp_data->sdw);
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if (ret)
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dev_err(dev, "error: SoundWire probe failed\n");
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return ret;
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}
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static int amd_sdw_exit(struct acp63_dev_data *acp_data)
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{
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if (acp_data->sdw)
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sdw_amd_exit(acp_data->sdw);
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acp_data->sdw = NULL;
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return 0;
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}
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#else
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static int acp_scan_sdw_devices(struct device *dev, u64 addr)
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{
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return 0;
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}
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static int amd_sdw_probe(struct device *dev)
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{
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return 0;
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}
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static int amd_sdw_exit(struct acp63_dev_data *acp_data)
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{
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return 0;
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}
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#endif
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static int get_acp63_device_config(struct pci_dev *pci, struct acp63_dev_data *acp_data)
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@ -343,17 +379,13 @@ 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 platform_device_info pdevinfo;
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struct device *parent;
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int index;
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int ret;
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parent = &pci->dev;
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dev_dbg(&pci->dev,
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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_config) {
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if (adata->is_sdw_dev || adata->is_pdm_dev) {
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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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@ -365,130 +397,57 @@ 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_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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if (adata->is_pdm_dev && adata->is_pdm_config) {
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acp63_fill_platform_dev_info(&pdevinfo, 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, NULL, "dmic-codec",
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0, NULL, 0, NULL, 0);
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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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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);
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} else if (adata->pdev_count == ACP63_SDW0_SDW1_PDM_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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adata->pdm_dev_index = 0;
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adata->sdw0_dev_index = 1;
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adata->sdw1_dev_index = 2;
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adata->sdw_dma_dev_index = 3;
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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[0], sizeof(struct acp_sdw_pdata));
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acp63_fill_platform_dev_info(&pdevinfo[2], 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[3], 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[4], parent, NULL, "dmic-codec",
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0, NULL, 0, NULL, 0);
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}
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break;
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default:
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dev_dbg(&pci->dev, "No PDM or SoundWire manager devices found\n");
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return 0;
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}
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|
||||
for (index = 0; index < adata->pdev_count; index++) {
|
||||
adata->pdev[index] = platform_device_register_full(&pdevinfo[index]);
|
||||
if (IS_ERR(adata->pdev[index])) {
|
||||
adata->pdm_dev = platform_device_register_full(&pdevinfo);
|
||||
if (IS_ERR(adata->pdm_dev)) {
|
||||
dev_err(&pci->dev,
|
||||
"cannot register %s device\n", pdevinfo[index].name);
|
||||
ret = PTR_ERR(adata->pdev[index]);
|
||||
goto unregister_devs;
|
||||
"cannot register %s device\n", pdevinfo.name);
|
||||
ret = PTR_ERR(adata->pdm_dev);
|
||||
goto de_init;
|
||||
}
|
||||
memset(&pdevinfo, 0, sizeof(pdevinfo));
|
||||
acp63_fill_platform_dev_info(&pdevinfo, parent, NULL, "dmic-codec",
|
||||
0, NULL, 0, NULL, 0);
|
||||
adata->dmic_codec_dev = platform_device_register_full(&pdevinfo);
|
||||
if (IS_ERR(adata->dmic_codec_dev)) {
|
||||
dev_err(&pci->dev,
|
||||
"cannot register %s device\n", pdevinfo.name);
|
||||
ret = PTR_ERR(adata->dmic_codec_dev);
|
||||
goto unregister_pdm_dev;
|
||||
}
|
||||
}
|
||||
if (adata->is_sdw_dev && adata->is_sdw_config) {
|
||||
ret = amd_sdw_probe(&pci->dev);
|
||||
if (ret) {
|
||||
if (adata->is_pdm_dev)
|
||||
goto unregister_dmic_codec_dev;
|
||||
else
|
||||
goto de_init;
|
||||
}
|
||||
memset(&pdevinfo, 0, sizeof(pdevinfo));
|
||||
acp63_fill_platform_dev_info(&pdevinfo, parent, NULL, "amd_ps_sdw_dma",
|
||||
0, adata->res, 1, NULL, 0);
|
||||
|
||||
adata->sdw_dma_dev = platform_device_register_full(&pdevinfo);
|
||||
if (IS_ERR(adata->sdw_dma_dev)) {
|
||||
dev_err(&pci->dev,
|
||||
"cannot register %s device\n", pdevinfo.name);
|
||||
ret = PTR_ERR(adata->sdw_dma_dev);
|
||||
if (adata->is_pdm_dev)
|
||||
goto unregister_dmic_codec_dev;
|
||||
else
|
||||
goto de_init;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
unregister_devs:
|
||||
for (--index; index >= 0; index--)
|
||||
platform_device_unregister(adata->pdev[index]);
|
||||
unregister_dmic_codec_dev:
|
||||
platform_device_unregister(adata->dmic_codec_dev);
|
||||
unregister_pdm_dev:
|
||||
platform_device_unregister(adata->pdm_dev);
|
||||
de_init:
|
||||
if (acp63_deinit(adata->acp63_base, &pci->dev))
|
||||
dev_err(&pci->dev, "ACP de-init failed\n");
|
||||
|
|
@ -542,6 +501,8 @@ static int snd_acp63_probe(struct pci_dev *pci,
|
|||
ret = -ENOMEM;
|
||||
goto release_regions;
|
||||
}
|
||||
adata->addr = addr;
|
||||
adata->reg_range = ACP63_REG_END - ACP63_REG_START;
|
||||
/*
|
||||
* 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.
|
||||
|
|
@ -572,6 +533,7 @@ static int snd_acp63_probe(struct pci_dev *pci,
|
|||
dev_err(&pci->dev, "ACP platform devices creation failed\n");
|
||||
goto de_init;
|
||||
}
|
||||
|
||||
skip_pdev_creation:
|
||||
device_set_wakeup_enable(&pci->dev, true);
|
||||
pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);
|
||||
|
|
@ -626,11 +588,17 @@ static const struct dev_pm_ops acp63_pm_ops = {
|
|||
static void snd_acp63_remove(struct pci_dev *pci)
|
||||
{
|
||||
struct acp63_dev_data *adata;
|
||||
int ret, index;
|
||||
int ret;
|
||||
|
||||
adata = pci_get_drvdata(pci);
|
||||
for (index = 0; index < adata->pdev_count; index++)
|
||||
platform_device_unregister(adata->pdev[index]);
|
||||
if (adata->sdw) {
|
||||
amd_sdw_exit(adata);
|
||||
platform_device_unregister(adata->sdw_dma_dev);
|
||||
}
|
||||
if (adata->is_pdm_dev) {
|
||||
platform_device_unregister(adata->pdm_dev);
|
||||
platform_device_unregister(adata->dmic_codec_dev);
|
||||
}
|
||||
ret = acp63_deinit(adata->acp63_base, &pci->dev);
|
||||
if (ret)
|
||||
dev_err(&pci->dev, "ACP de-init failed\n");
|
||||
|
|
@ -663,5 +631,6 @@ module_pci_driver(ps_acp63_driver);
|
|||
MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
|
||||
MODULE_AUTHOR("Syed.SabaKareem@amd.com");
|
||||
MODULE_DESCRIPTION("AMD ACP Pink Sardine PCI driver");
|
||||
MODULE_IMPORT_NS(SOUNDWIRE_AMD_INIT);
|
||||
MODULE_IMPORT_NS(SND_AMD_SOUNDWIRE_ACPI);
|
||||
MODULE_LICENSE("GPL v2");
|
||||
|
|
|
|||
Loading…
Reference in a new issue