Creates Platform Device endpoints for multiple I2S instances: SP and BT endpoints device. Pass PCI resources like MMIO, irq to the platform devices.

Signed-off-by: Ravulapati Vishnu vardhan rao Vishnuvardhanrao.Ravulapati@amd.com --- sound/soc/amd/raven/acp3x.h | 5 ++ sound/soc/amd/raven/pci-acp3x.c | 102 ++++++++++++++++++++++++++++------------ 2 files changed, 76 insertions(+), 31 deletions(-)

diff --git a/sound/soc/amd/raven/acp3x.h b/sound/soc/amd/raven/acp3x.h index 4f2cadd..2f15fe1 100644 --- a/sound/soc/amd/raven/acp3x.h +++ b/sound/soc/amd/raven/acp3x.h @@ -7,10 +7,15 @@

#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 BT_TX_THRESHOLD 26 #define BT_RX_THRESHOLD 25 diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c index facec24..174adbc 100644 --- a/sound/soc/amd/raven/pci-acp3x.c +++ b/sound/soc/amd/raven/pci-acp3x.c @@ -16,17 +16,17 @@ struct acp3x_dev_data { void __iomem *acp3x_base; bool acp3x_audio_mode; struct resource *res; - struct platform_device *pdev; + struct platform_device *pdev[ACP3x_DEVS]; };

static int snd_acp3x_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { - int ret; - u32 addr, val; struct acp3x_dev_data *adata; - struct platform_device_info pdevinfo; + struct platform_device_info pdevinfo[ACP3x_DEVS]; unsigned int irqflags; + int ret, val, i; + u32 addr;

if (pci_enable_device(pci)) { dev_err(&pci->dev, "pci_enable_device failed\n"); @@ -40,10 +40,10 @@ static int snd_acp3x_probe(struct pci_dev *pci, }

adata = devm_kzalloc(&pci->dev, sizeof(struct acp3x_dev_data), - GFP_KERNEL); + GFP_KERNEL); if (!adata) { ret = -ENOMEM; - goto release_regions; + goto adata_free; }

/* check for msi interrupt support */ @@ -56,7 +56,8 @@ static int snd_acp3x_probe(struct pci_dev *pci, irqflags = 0;

addr = pci_resource_start(pci, 0); - adata->acp3x_base = ioremap(addr, pci_resource_len(pci, 0)); + adata->acp3x_base = devm_ioremap(&pci->dev, addr, + pci_resource_len(pci, 0)); if (!adata->acp3x_base) { ret = -ENOMEM; goto release_regions; @@ -68,11 +69,11 @@ static int snd_acp3x_probe(struct pci_dev *pci, switch (val) { case I2S_MODE: adata->res = devm_kzalloc(&pci->dev, - sizeof(struct resource) * 2, + sizeof(struct resource) * 4, GFP_KERNEL); if (!adata->res) { ret = -ENOMEM; - goto unmap_mmio; + goto release_regions; }

adata->res[0].name = "acp3x_i2s_iomem"; @@ -80,28 +81,52 @@ static int snd_acp3x_probe(struct pci_dev *pci, 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->res[1].name = "acp3x_i2s_sp"; + adata->res[1].flags = IORESOURCE_MEM; + adata->res[1].start = addr + ACP3x_I2STDM_REG_START; + adata->res[1].end = addr + ACP3x_I2STDM_REG_END; + + adata->res[2].name = "acp3x_i2s_bt"; + 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; + + 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;

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; + pdevinfo[0].name = "acp3x_rv_i2s_dma"; + pdevinfo[0].id = 0; + pdevinfo[0].parent = &pci->dev; + pdevinfo[0].num_res = 4; + pdevinfo[0].res = &adata->res[0]; + pdevinfo[0].data = &irqflags; + pdevinfo[0].size_data = sizeof(irqflags); + + pdevinfo[1].name = "acp3x_i2s_playcap"; + pdevinfo[1].id = 0; + pdevinfo[1].parent = &pci->dev; + pdevinfo[1].num_res = 1; + pdevinfo[1].res = &adata->res[1]; + + pdevinfo[2].name = "acp3x_i2s_playcap"; + pdevinfo[2].id = 1; + pdevinfo[2].parent = &pci->dev; + pdevinfo[2].num_res = 1; + pdevinfo[2].res = &adata->res[2]; + for (i = 0; i < ACP3x_DEVS ; i++) { + adata->pdev[i] = + platform_device_register_full(&pdevinfo[i]); + if (IS_ERR(adata->pdev[i])) { + dev_err(&pci->dev, "cannot register %s device\n", + pdevinfo[i].name); + ret = PTR_ERR(adata->pdev[i]); + goto unmap_mmio; + } } break; default: @@ -112,10 +137,22 @@ static int snd_acp3x_probe(struct pci_dev *pci, return 0;

unmap_mmio: + if (val == I2S_MODE) + for (i = 0 ; i < ACP3x_DEVS ; i++) + platform_device_unregister(adata->pdev[i]); + devm_kfree(&pci->dev, adata->res); + devm_kfree(&pci->dev, adata); pci_disable_msi(pci); - iounmap(adata->acp3x_base); + pci_release_regions(pci); + pci_disable_device(pci); release_regions: + devm_kfree(&pci->dev, adata); + pci_disable_msi(pci); pci_release_regions(pci); + pci_disable_device(pci); +adata_free: + pci_release_regions(pci); + pci_disable_device(pci); disable_pci: pci_disable_device(pci);

@@ -125,10 +162,12 @@ 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); + int i;

- platform_device_unregister(adata->pdev); - iounmap(adata->acp3x_base); - + if (adata->acp3x_audio_mode == ACP3x_I2S_MODE) { + for (i = 0 ; i < ACP3x_DEVS ; i++) + platform_device_unregister(adata->pdev[i]); + } pci_disable_msi(pci); pci_release_regions(pci); pci_disable_device(pci); @@ -151,6 +190,7 @@ 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");