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Ip=[165.204.84.17]; Helo=[SATLEXCHOV01.amd.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB2821 Cc: "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." , Maruthi Srinivas Bayyavarapu , open list , Takashi Iwai , Liam Girdwood , Sanju R Mehta , Ravulapati Vishnu vardhan rao , Mark Brown , Vijendar Mukunda , Alex Deucher , Colin Ian King , Dan Carpenter Subject: [alsa-devel] [PATCH 2/7] ASoC: amd: Registering device endpoints using MFD framework X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Removed platform based endpoint registering in ACP-PCI driver. Now Registering PCM DMA and multiple I2S instances: SP and BT endpoint devices automatically by using MFD framework. Signed-off-by: Ravulapati Vishnu vardhan rao --- sound/soc/amd/raven/acp3x.h | 8 +++ sound/soc/amd/raven/pci-acp3x.c | 123 ++++++++++++++++++++++++++-------------- 2 files changed, 90 insertions(+), 41 deletions(-) diff --git a/sound/soc/amd/raven/acp3x.h b/sound/soc/amd/raven/acp3x.h index 4f2cadd..c122dc6 100644 --- a/sound/soc/amd/raven/acp3x.h +++ b/sound/soc/amd/raven/acp3x.h @@ -7,13 +7,21 @@ #include "chip_offset_byte.h" +#define ACP3x_DEVS 3 #define ACP3x_PHY_BASE_ADDRESS 0x1240000 #define ACP3x_I2S_MODE 0 #define ACP3x_REG_START 0x1240000 #define ACP3x_REG_END 0x1250200 +#define ACP3x_I2STDM_REG_START 0x1242400 +#define ACP3x_I2STDM_REG_END 0x1242410 +#define ACP3x_BT_TDM_REG_START 0x1242800 +#define ACP3x_BT_TDM_REG_END 0x1242810 #define I2S_MODE 0x04 +#define I2S_RX_THRESHOLD 27 +#define I2S_TX_THRESHOLD 28 #define BT_TX_THRESHOLD 26 #define BT_RX_THRESHOLD 25 +#define ACP_ERR_INTR_MASK 29 #define ACP3x_POWER_ON 0x00 #define ACP3x_POWER_ON_IN_PROGRESS 0x01 #define ACP3x_POWER_OFF 0x02 diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c index 8f6bf00..d9f5bc0 100644 --- a/sound/soc/amd/raven/pci-acp3x.c +++ b/sound/soc/amd/raven/pci-acp3x.c @@ -9,13 +9,21 @@ #include #include #include +#include #include "acp3x.h" +struct i2s_platform_data { + unsigned int cap; + int channel; + u32 snd_rates; +}; struct acp3x_dev_data { + struct device *parent; + struct mfd_cell *cell; + struct resource *res; void __iomem *acp3x_base; bool acp3x_audio_mode; - struct resource *res; struct platform_device *pdev; }; @@ -23,9 +31,11 @@ static int snd_acp3x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { int ret; - u32 addr, val; + resource_size_t addr; + int val, i, r; struct acp3x_dev_data *adata; - struct platform_device_info pdevinfo; + struct device *dev; + struct i2s_platform_data *i2s_pdata; unsigned int irqflags; if (pci_enable_device(pci)) { @@ -56,55 +66,87 @@ static int snd_acp3x_probe(struct pci_dev *pci, } pci_set_master(pci); pci_set_drvdata(pci, adata); - + adata->parent = &pci->dev; val = rv_readl(adata->acp3x_base + mmACP_I2S_PIN_CONFIG); switch (val) { case I2S_MODE: adata->res = devm_kzalloc(&pci->dev, - sizeof(struct resource) * 2, - GFP_KERNEL); - if (!adata->res) { + sizeof(struct resource) * 4, + GFP_KERNEL); + adata->cell = devm_kzalloc(&pci->dev, + sizeof(struct mfd_cell) * ACP3x_DEVS, + GFP_KERNEL); + if (!adata->cell) { ret = -ENOMEM; goto unmap_mmio; } - adata->res[0].name = "acp3x_i2s_iomem"; - adata->res[0].flags = IORESOURCE_MEM; - adata->res[0].start = addr; - adata->res[0].end = addr + (ACP3x_REG_END - ACP3x_REG_START); - - adata->res[1].name = "acp3x_i2s_irq"; - adata->res[1].flags = IORESOURCE_IRQ; - adata->res[1].start = pci->irq; - adata->res[1].end = pci->irq; - - adata->acp3x_audio_mode = ACP3x_I2S_MODE; - - memset(&pdevinfo, 0, sizeof(pdevinfo)); - pdevinfo.name = "acp3x_rv_i2s"; - pdevinfo.id = 0; - pdevinfo.parent = &pci->dev; - pdevinfo.num_res = 2; - pdevinfo.res = adata->res; - pdevinfo.data = &irqflags; - pdevinfo.size_data = sizeof(irqflags); - - adata->pdev = platform_device_register_full(&pdevinfo); - if (IS_ERR(adata->pdev)) { - dev_err(&pci->dev, "cannot register %s device\n", - pdevinfo.name); - ret = PTR_ERR(adata->pdev); - goto unmap_mmio; + i2s_pdata = devm_kzalloc(&pci->dev, + sizeof(struct i2s_platform_data) * ACP3x_DEVS, + GFP_KERNEL); + if (i2s_pdata == NULL) { + kfree(adata->res); + kfree(adata->cell); + return -ENOMEM; } + adata->res[0].name = "acp3x_i2s_iomem"; + adata->res[0].flags = IORESOURCE_MEM; + adata->res[0].start = addr; + adata->res[0].end = addr + + (ACP3x_REG_END - ACP3x_REG_START); + i2s_pdata[0].cap = 0; + i2s_pdata[0].snd_rates = SNDRV_PCM_RATE_8000_96000; + + adata->res[1].name = "acp3x_i2s_sp_play_cap"; + adata->res[1].flags = IORESOURCE_MEM; + adata->res[1].start = addr + ACP3x_I2STDM_REG_START; + adata->res[1].end = addr + ACP3x_I2STDM_REG_END; + i2s_pdata[1].cap = 0; + i2s_pdata[1].snd_rates = SNDRV_PCM_RATE_8000_96000; + + adata->res[2].name = "acp3x_i2s_bt_play_cap"; + adata->res[2].flags = IORESOURCE_MEM; + adata->res[2].start = addr + ACP3x_BT_TDM_REG_START; + adata->res[2].end = addr + ACP3x_BT_TDM_REG_END; + i2s_pdata[2].cap = 0; + i2s_pdata[2].snd_rates = SNDRV_PCM_RATE_8000_96000; + + adata->res[3].name = "acp3x_i2s_irq"; + adata->res[3].flags = IORESOURCE_IRQ; + adata->res[3].start = pci->irq; + adata->res[3].end = adata->res[3].start; + + adata->acp3x_audio_mode = ACP3x_I2S_MODE; + + adata->cell[0].name = "acp3x_rv_i2s_dma"; + adata->cell[0].num_resources = 4; + adata->cell[0].resources = &adata->res[0]; + adata->cell[0].platform_data = &irqflags; + adata->cell[0].pdata_size = sizeof(irqflags); + + adata->cell[1].name = "acp3x_i2s_playcap"; + adata->cell[1].num_resources = 1; + adata->cell[1].resources = &adata->res[1]; + adata->cell[1].platform_data = &i2s_pdata[0]; + adata->cell[1].pdata_size = + sizeof(struct i2s_platform_data); + + adata->cell[2].name = "acp3x_i2s_playcap"; + adata->cell[2].num_resources = 1; + adata->cell[2].resources = &adata->res[2]; + adata->cell[2].platform_data = &i2s_pdata[1]; + adata->cell[2].pdata_size = + sizeof(struct i2s_platform_data); + r = mfd_add_hotplug_devices(adata->parent, + adata->cell, ACP3x_DEVS); break; - default: - dev_err(&pci->dev, "Invalid ACP audio mode : %d\n", val); - ret = -ENODEV; - goto unmap_mmio; } return 0; unmap_mmio: + mfd_remove_devices(adata->parent); + kfree(adata->res); + kfree(adata->cell); iounmap(adata->acp3x_base); release_regions: pci_release_regions(pci); @@ -117,10 +159,8 @@ static int snd_acp3x_probe(struct pci_dev *pci, static void snd_acp3x_remove(struct pci_dev *pci) { struct acp3x_dev_data *adata = pci_get_drvdata(pci); - - platform_device_unregister(adata->pdev); + mfd_remove_devices(adata->parent); iounmap(adata->acp3x_base); - pci_release_regions(pci); pci_disable_device(pci); } @@ -142,6 +182,7 @@ static struct pci_driver acp3x_driver = { module_pci_driver(acp3x_driver); +MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com"); MODULE_AUTHOR("Maruthi.Bayyavarapu@amd.com"); MODULE_DESCRIPTION("AMD ACP3x PCI driver"); MODULE_LICENSE("GPL v2");