soc/intel: Add a driver for CNVi WiFi/BT controllers

This change adds a common block driver for CNVi WiFi/BT controllers in
Intel SoCs. This driver uses the common PCI dev operations in addition
to generating ACPI device node and returning ACPI name for the
controller device.

This change also selects this driver for CML, GLK, ICL, JSL and TGL.

Change-Id: I69a832be918d4b9f4fbe3a40913d4542a457a77c
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46864
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

3 files changed, 79 insertions, 0 deletions

diff --git a/src/soc/intel/common/block/cnvi/Kconfig b/src/soc/intel/common/block/cnvi/Kconfig
new file mode 100644
index 0000000000..21402ab6a5
--- /dev/null
+++ b/src/soc/intel/common/block/cnvi/Kconfig
@@ -0,0 +1,4 @@
+config SOC_INTEL_COMMON_BLOCK_CNVI
+	bool
+	help
+	  Common CNVI module for Intel PCH
diff --git a/src/soc/intel/common/block/cnvi/Makefile.inc b/src/soc/intel/common/block/cnvi/Makefile.inc
new file mode 100644
index 0000000000..01b9d1d0e9
--- /dev/null
+++ b/src/soc/intel/common/block/cnvi/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_CNVI) += cnvi.c
diff --git a/src/soc/intel/common/block/cnvi/cnvi.c b/src/soc/intel/common/block/cnvi/cnvi.c
new file mode 100644
index 0000000000..0dafb82fa3
--- /dev/null
+++ b/src/soc/intel/common/block/cnvi/cnvi.c
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi_device.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+
+static const char *cnvi_wifi_acpi_name(const struct device *dev)
+{
+	return "CNVW";
+}
+
+static struct device_operations cnvi_wifi_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.ops_pci		= &pci_dev_ops_pci,
+	.scan_bus		= scan_static_bus,
+	.acpi_name		= cnvi_wifi_acpi_name,
+	.acpi_fill_ssdt		= acpi_device_write_pci_dev,
+};
+
+static const unsigned short wifi_pci_device_ids[] = {
+	PCI_DEVICE_ID_INTEL_CML_LP_CNVI_WIFI,
+	PCI_DEVICE_ID_INTEL_CML_H_CNVI_WIFI,
+	PCI_DEVICE_ID_INTEL_CNL_LP_CNVI_WIFI,
+	PCI_DEVICE_ID_INTEL_CNL_H_CNVI_WIFI,
+	PCI_DEVICE_ID_INTEL_GLK_CNVI_WIFI,
+	PCI_DEVICE_ID_INTEL_ICL_CNVI_WIFI,
+	PCI_DEVICE_ID_INTEL_JSL_CNVI_WIFI_0,
+	PCI_DEVICE_ID_INTEL_JSL_CNVI_WIFI_1,
+	PCI_DEVICE_ID_INTEL_JSL_CNVI_WIFI_2,
+	PCI_DEVICE_ID_INTEL_JSL_CNVI_WIFI_3,
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_WIFI_0,
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_WIFI_1,
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_WIFI_2,
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_WIFI_3,
+	0
+};
+
+static const struct pci_driver pch_cnvi_wifi __pci_driver = {
+	.ops			= &cnvi_wifi_ops,
+	.vendor			= PCI_VENDOR_ID_INTEL,
+	.devices		= wifi_pci_device_ids,
+};
+
+static const char *cnvi_bt_acpi_name(const struct device *dev)
+{
+	return "CNVB";
+}
+
+static struct device_operations cnvi_bt_ops = {
+	.read_resources		= pci_dev_read_resources,
+	.set_resources		= pci_dev_set_resources,
+	.enable_resources	= pci_dev_enable_resources,
+	.ops_pci		= &pci_dev_ops_pci,
+	.scan_bus		= scan_static_bus,
+	.acpi_name		= cnvi_bt_acpi_name,
+	.acpi_fill_ssdt		= acpi_device_write_pci_dev,
+};
+
+static const unsigned short bt_pci_device_ids[] = {
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_BT_0,
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_BT_1,
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_BT_2,
+	PCI_DEVICE_ID_INTEL_TGL_CNVI_BT_3,
+	0
+};
+
+static const struct pci_driver pch_cnvi_bt __pci_driver = {
+	.ops			= &cnvi_bt_ops,
+	.vendor			= PCI_VENDOR_ID_INTEL,
+	.devices		= bt_pci_device_ids,
+};