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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/net/irda/w83977af.h
Initial import
Diffstat (limited to 'drivers/net/irda/w83977af.h')
-rw-r--r--drivers/net/irda/w83977af.h53
1 files changed, 53 insertions, 0 deletions
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