1 files changed, 75 insertions, 0 deletions

diff --git a/include/asm-cris/arch-v10/io_interface_mux.h b/include/asm-cris/arch-v10/io_interface_mux.h
new file mode 100644
index 000000000000..d92500080883
--- /dev/null
+++ b/include/asm-cris/arch-v10/io_interface_mux.h
@@ -0,0 +1,75 @@
+/* IO interface mux allocator for ETRAX100LX.
+ * Copyright 2004, Axis Communications AB
+ * $Id: io_interface_mux.h,v 1.1 2004/12/13 12:21:53 starvik Exp $
+ */
+
+
+#ifndef _IO_INTERFACE_MUX_H
+#define _IO_INTERFACE_MUX_H
+
+
+/* C.f. ETRAX100LX Designer's Reference 20.9 */
+
+/* The order in enum must match the order of interfaces[] in
+ * io_interface_mux.c */
+enum cris_io_interface {
+        /* Begin Non-multiplexed interfaces */
+        if_eth = 0,
+        if_serial_0,
+        /* End Non-multiplexed interfaces */
+        if_serial_1,
+        if_serial_2,
+        if_serial_3,
+        if_sync_serial_1,
+        if_sync_serial_3,
+        if_shared_ram,
+        if_shared_ram_w,
+        if_par_0,
+        if_par_1,
+        if_par_w,
+        if_scsi8_0,
+        if_scsi8_1,
+        if_scsi_w,
+        if_ata,
+        if_csp,
+        if_i2c,
+        if_usb_1,
+        if_usb_2,
+        /* GPIO pins */
+        if_gpio_grp_a,
+        if_gpio_grp_b,
+        if_gpio_grp_c,
+        if_gpio_grp_d,
+        if_gpio_grp_e,
+        if_gpio_grp_f,
+        if_max_interfaces,
+        if_unclaimed
+};
+
+int cris_request_io_interface(enum cris_io_interface ioif, const char *device_id);
+
+void cris_free_io_interface(enum cris_io_interface ioif);
+
+/* port can be 'a', 'b' or 'g' */
+int cris_io_interface_allocate_pins(const enum cris_io_interface ioif,
+                                    const char port,
+                                    const unsigned start_bit,
+                                    const unsigned stop_bit);
+
+/* port can be 'a', 'b' or 'g' */
+int cris_io_interface_free_pins(const enum cris_io_interface ioif,
+                                const char port,
+                                const unsigned start_bit,
+                                const unsigned stop_bit);
+
+int cris_io_interface_register_watcher(void (*notify)(const unsigned int gpio_in_available,
+                                                      const unsigned int gpio_out_available,
+                                                      const unsigned char pa_available,
+                                                      const unsigned char pb_available));
+
+void cris_io_interface_delete_watcher(void (*notify)(const unsigned int gpio_in_available,
+                                                     const unsigned int gpio_out_available,
+                                                     const unsigned char pa_available,
+                                                     const unsigned char pb_available));
+
+#endif /* _IO_INTERFACE_MUX_H */