qcacld-3.0: Add pld api to get PCI slot of attached device

Add pld api to get PCI slot of attached device.

Change-Id: I5adb49a8c28d4211ede5aee4e5bc0e8046bbf542

core/pld/inc/pld_common.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -851,6 +851,7 @@ void pld_lock_pm_sem(struct device *dev);
 void pld_release_pm_sem(struct device *dev);
 void pld_lock_reg_window(struct device *dev, unsigned long *flags);
 void pld_unlock_reg_window(struct device *dev, unsigned long *flags);
+int pld_get_pci_slot(struct device *dev);
 int pld_power_on(struct device *dev);
 int pld_power_off(struct device *dev);
 int pld_athdiag_read(struct device *dev, uint32_t offset, uint32_t memtype,

core/pld/src/pld_common.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -1839,6 +1839,35 @@ void pld_unlock_reg_window(struct device *dev, unsigned long *flags)
 	}
 }
 
+/**
+ * pld_get_pci_slot() - Get PCI slot of attached device
+ * @dev: device
+ *
+ * Return: pci slot
+ */
+int pld_get_pci_slot(struct device *dev)
+{
+	int ret = 0;
+
+	switch (pld_get_bus_type(dev)) {
+	case PLD_BUS_TYPE_PCIE:
+		ret = pld_pcie_get_pci_slot(dev);
+		break;
+	case PLD_BUS_TYPE_PCIE_FW_SIM:
+	case PLD_BUS_TYPE_IPCI_FW_SIM:
+	case PLD_BUS_TYPE_SNOC_FW_SIM:
+	case PLD_BUS_TYPE_SNOC:
+	case PLD_BUS_TYPE_IPCI:
+		break;
+	default:
+		pr_err("Invalid device type\n");
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
 /**
  * pld_power_on() - Power on WLAN hardware
  * @dev: device

core/pld/src/pld_pcie.h

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -347,6 +348,11 @@ static inline void pld_pcie_unlock_reg_window(struct device *dev,
 {
 }
 
+static inline int pld_pcie_get_pci_slot(struct device *dev)
+{
+	return 0;
+}
+
 static inline int pld_pcie_power_on(struct device *dev)
 {
 	return 0;
@@ -645,6 +651,18 @@ static inline void pld_pcie_unlock_reg_window(struct device *dev,
 	cnss_pci_unlock_reg_window(dev, flags);
 }
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0))
+static inline int pld_pcie_get_pci_slot(struct device *dev)
+{
+	return cnss_get_pci_slot(dev);
+}
+#else
+static inline int pld_pcie_get_pci_slot(struct device *dev)
+{
+	return 0;
+}
+#endif
+
 static inline int pld_pcie_power_on(struct device *dev)
 {
 	return cnss_power_up(dev);