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Diffstat (limited to 'include/asm-cris/arch-v10/io_interface_mux.h')
-rw-r--r--include/asm-cris/arch-v10/io_interface_mux.h75
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 0000000..d925000
--- /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 */
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