diff mbox series

[RESEND,v4,1/6] ASoC: amd:Create multiple I2S platform device Endpoint

Message ID 1573483794-8921-2-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com (mailing list archive)
State New, archived
Headers show
Series [RESEND,v4,1/6] ASoC: amd:Create multiple I2S platform device Endpoint | expand

Commit Message

RAVULAPATI, VISHNU VARDHAN RAO Nov. 11, 2019, 2:49 p.m. UTC 
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 | 78 +++++++++++++++++++++++++++++------------
 2 files changed, 60 insertions(+), 23 deletions(-)

Comments

Pierre-Louis Bossart Nov. 11, 2019, 3:44 p.m. UTC | #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]);
> +			IS_ERR(adata->pdev[i]) {

how does this even compile?

> +				dev_err(&pci->dev, "cannot register %s device\n",
> +					pdevinfo[i].name);
> +				ret = -ENODEV;
> +				goto unmap_mmio;
> +			}
RAVULAPATI, VISHNU VARDHAN RAO Nov. 11, 2019, 5:16 p.m. UTC | #2 
Get Outlook for Android<https://aka.ms/ghei36>



From: Pierre-Louis Bossart
Sent: Monday, 11 November, 10:11 PM
Subject: Re: [alsa-devel] [RESEND PATCH v4 1/6] ASoC: amd:Create multiple I2S platform device Endpoint
To: RAVULAPATI, VISHNU VARDHAN RAO
Cc: moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..., Maruthi Srinivas Bayyavarapu, open list, Takashi Iwai, Liam Girdwood, Agrawal, Akshu, Mark Brown, djkurtz@google.com, Mukunda, Vijendar, Deucher, Alexander, Colin Ian King, Dan Carpenter



> +             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]);
> +                     IS_ERR(adata->pdev[i]) {

how does this even compile?

I have not faced any issue of compilation.
Can I know what is wrong with it please so that it can be re checked.

> +                             dev_err(&pci->dev, "cannot register %s device\n",
> +                                     pdevinfo[i].name);
> +                             ret = -ENODEV;
> +                             goto unmap_mmio;
> +                     }
Takashi Iwai Nov. 11, 2019, 5:20 p.m. UTC | #3 
On Mon, 11 Nov 2019 18:16:25 +0100,
RAVULAPATI, VISHNU VARDHAN RAO wrote:
> 
> > +             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]);
> > +                     IS_ERR(adata->pdev[i]) {
> 
> how does this even compile?
> 
> I have not faced any issue of compilation.
> Can I know what is wrong with it please so that it can be re checked.

The "if" is missing around IS_ERR() in the above line.
It should have been
			if (IS_ERR(adata->pdev[i])) {
				.....


It's interesting the code didn't give any compile warning or error,
indeed.


thanks,

Takashi
diff mbox series

Patch

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..fe37160c 100644
--- a/sound/soc/amd/raven/pci-acp3x.c
+++ b/sound/soc/amd/raven/pci-acp3x.c
@@ -16,16 +16,16 @@  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;
+	u32 addr, val, i;
 	struct acp3x_dev_data *adata;
-	struct platform_device_info pdevinfo;
+	struct platform_device_info pdevinfo[ACP3x_DEVS];
 	unsigned int irqflags;
 
 	if (pci_enable_device(pci)) {
@@ -68,7 +68,7 @@  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;
@@ -80,28 +80,52 @@  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]);
+			IS_ERR(adata->pdev[i]) {
+				dev_err(&pci->dev, "cannot register %s device\n",
+					pdevinfo[i].name);
+				ret = -ENODEV;
+				goto unmap_mmio;
+			}
 		}
 		break;
 	default:
@@ -113,6 +137,9 @@  static int snd_acp3x_probe(struct pci_dev *pci,
 
 unmap_mmio:
 	pci_disable_msi(pci);
+	for (i = 0 ; i < ACP3x_DEVS ; i++)
+		platform_device_unregister(adata->pdev[i]);
+	kfree(adata->res);
 	iounmap(adata->acp3x_base);
 release_regions:
 	pci_release_regions(pci);
@@ -124,9 +151,13 @@  static int snd_acp3x_probe(struct pci_dev *pci,
 
 static void snd_acp3x_remove(struct pci_dev *pci)
 {
+	int i;
 	struct acp3x_dev_data *adata = pci_get_drvdata(pci);
 
-	platform_device_unregister(adata->pdev);
+	if (adata->acp3x_audio_mode == ACP3x_I2S_MODE) {
+		for (i = 0 ; i <  ACP3x_DEVS ; i++)
+			platform_device_unregister(adata->pdev[i]);
+	}
 	iounmap(adata->acp3x_base);
 
 	pci_disable_msi(pci);
@@ -151,6 +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");