From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 drivers/net/irda/w83977af.h | 53 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 drivers/net/irda/w83977af.h

(limited to 'drivers/net/irda/w83977af.h')

diff --git a/drivers/net/irda/w83977af.h b/drivers/net/irda/w83977af.h
new file mode 100644
index 000000000..04476c2e9
--- /dev/null
+++ b/drivers/net/irda/w83977af.h
@@ -0,0 +1,53 @@
+#ifndef W83977AF_H
+#define W83977AF_H
+
+#define W977_EFIO_BASE 0x370
+#define W977_EFIO2_BASE 0x3f0
+#define W977_DEVICE_IR 0x06
+
+
+/*
+ * Enter extended function mode
+ */
+static inline void w977_efm_enter(unsigned int efio)
+{
+        outb(0x87, efio);
+        outb(0x87, efio);
+}
+
+/*
+ * Select a device to configure 
+ */
+
+static inline void w977_select_device(__u8 devnum, unsigned int efio)
+{
+	outb(0x07, efio);
+	outb(devnum, efio+1);
+} 
+
+/* 
+ * Write a byte to a register
+ */
+static inline void w977_write_reg(__u8 reg, __u8 value, unsigned int efio)
+{
+	outb(reg, efio);
+	outb(value, efio+1);
+}
+
+/*
+ * read a byte from a register
+ */
+static inline __u8 w977_read_reg(__u8 reg, unsigned int efio)
+{
+	outb(reg, efio);
+	return inb(efio+1);
+}
+
+/*
+ * Exit extended function mode
+ */
+static inline void w977_efm_exit(unsigned int efio)
+{
+	outb(0xAA, efio);
+}
+#endif
-- 
cgit v1.2.3-54-g00ecf