drivers/wifi: Adapt generic wifi driver into a chip driver

Re-organize the existing generic wifi driver into a generic wifi chip
driver. This allows generic wifi chip information to be added to the
devicetree.

BUG=None
TEST=./util/abuild/abuild

Change-Id: I63f957a008ecf4a6a810c2a135ed62ea81a79fe0
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43768
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/drivers/wifi/generic/chip.h b/src/drivers/wifi/generic/chip.h
new file mode 100644
index 0000000000..fe3a1d1b99
--- /dev/null
+++ b/src/drivers/wifi/generic/chip.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _WIFI_GENERIC_H_
+#define _WIFI_GENERIC_H_
+
+/**
+ * struct drivers_wifi_generic_config - Data structure to contain generic wifi config
+ * @wake: Wake pin for ACPI _PRW
+ * @maxsleep: Maximum sleep state to wake from
+ */
+struct drivers_wifi_generic_config {
+	unsigned int wake;
+	unsigned int maxsleep;
+};
+
+/**
+ * wifi_generic_fill_ssdt() - Fill ACPI SSDT table for WiFi controller
+ * @dev: Device structure corresponding to WiFi controller.
+ * @config: Generic wifi config required to fill ACPI SSDT table.
+ *
+ * This function implements common device operation to help fill ACPI SSDT
+ * table for WiFi controller.
+ */
+void wifi_generic_fill_ssdt(const struct device *dev,
+			    const struct drivers_wifi_generic_config *config);
+
+/**
+ * wifi_generic_acpi_name() - Get ACPI name for WiFi controller
+ * @dev: Device structure corresponding to WiFi controller.
+ *
+ * This function implements common device operation to get the ACPI name for
+ * WiFi controller.
+ *
+ * Return: string representing the ACPI name for WiFi controller.
+ */
+const char *wifi_generic_acpi_name(const struct device *dev);
+
+#endif /* _GENERIC_WIFI_H_ */