* Copyright (C) 2000 Michael R. McDonald
* Copyright (C) 2001-2003 Montavista Software Inc.
* Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com>
- * Copyright (C) 2004 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ * Copyright (C) 2004 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#ifndef __NEC_VRC4173_H
-#define __NEC_VRC4173_H
+#ifndef __NEC_VRC4173_H
+#define __NEC_VRC4173_H
+#include <linux/config.h>
#include <asm/io.h>
/*
/*
* PCI I/O accesses
*/
+#ifdef CONFIG_VRC4173
+
extern unsigned long vrc4173_io_offset;
#define set_vrc4173_io_offset(offset) do { vrc4173_io_offset = (offset); } while (0)
#define vrc4173_insw(port,addr,count) insw(vrc4173_io_offset+(port),(addr),(count))
#define vrc4173_insl(port,addr,count) insl(vrc4173_io_offset+(port),(addr),(count))
+#else
+
+#define set_vrc4173_io_offset(offset) do {} while (0)
+
+#define vrc4173_outb(val,port) do {} while (0)
+#define vrc4173_outw(val,port) do {} while (0)
+#define vrc4173_outl(val,port) do {} while (0)
+#define vrc4173_outb_p(val,port) do {} while (0)
+#define vrc4173_outw_p(val,port) do {} while (0)
+#define vrc4173_outl_p(val,port) do {} while (0)
+
+#define vrc4173_inb(port) 0
+#define vrc4173_inw(port) 0
+#define vrc4173_inl(port) 0
+#define vrc4173_inb_p(port) 0
+#define vrc4173_inw_p(port) 0
+#define vrc4173_inl_p(port) 0
+
+#define vrc4173_outsb(port,addr,count) do {} while (0)
+#define vrc4173_outsw(port,addr,count) do {} while (0)
+#define vrc4173_outsl(port,addr,count) do {} while (0)
+
+#define vrc4173_insb(port,addr,count) do {} while (0)
+#define vrc4173_insw(port,addr,count) do {} while (0)
+#define vrc4173_insl(port,addr,count) do {} while (0)
+
+#endif
+
/*
* Clock Mask Unit
*/
VRC4173_48MHz_CLOCK,
} vrc4173_clock_t;
+#ifdef CONFIG_VRC4173
+
extern void vrc4173_supply_clock(vrc4173_clock_t clock);
extern void vrc4173_mask_clock(vrc4173_clock_t clock);
+#else
+
+static inline void vrc4173_supply_clock(vrc4173_clock_t clock) {}
+static inline void vrc4173_mask_clock(vrc4173_clock_t clock) {}
+
+#endif
+
+/*
+ * Interupt Control Unit
+ */
+
+#define VRC4173_PIUINT_COMMAND 0x0040
+#define VRC4173_PIUINT_DATA 0x0020
+#define VRC4173_PIUINT_PAGE1 0x0010
+#define VRC4173_PIUINT_PAGE0 0x0008
+#define VRC4173_PIUINT_DATALOST 0x0004
+#define VRC4173_PIUINT_STATUSCHANGE 0x0001
+
+#ifdef CONFIG_VRC4173
+
+extern void vrc4173_enable_piuint(uint16_t mask);
+extern void vrc4173_disable_piuint(uint16_t mask);
+
+#else
+
+static inline void vrc4173_enable_piuint(uint16_t mask) {}
+static inline void vrc4173_disable_piuint(uint16_t mask) {}
+
+#endif
+
+#define VRC4173_AIUINT_INPUT_DMAEND 0x0800
+#define VRC4173_AIUINT_INPUT_DMAHALT 0x0400
+#define VRC4173_AIUINT_INPUT_DATALOST 0x0200
+#define VRC4173_AIUINT_INPUT_DATA 0x0100
+#define VRC4173_AIUINT_OUTPUT_DMAEND 0x0008
+#define VRC4173_AIUINT_OUTPUT_DMAHALT 0x0004
+#define VRC4173_AIUINT_OUTPUT_NODATA 0x0002
+
+#ifdef CONFIG_VRC4173
+
+extern void vrc4173_enable_aiuint(uint16_t mask);
+extern void vrc4173_disable_aiuint(uint16_t mask);
+
+#else
+
+static inline void vrc4173_enable_aiuint(uint16_t mask) {}
+static inline void vrc4173_disable_aiuint(uint16_t mask) {}
+
+#endif
+
+#define VRC4173_KIUINT_DATALOST 0x0004
+#define VRC4173_KIUINT_DATAREADY 0x0002
+#define VRC4173_KIUINT_SCAN 0x0001
+
+#ifdef CONFIG_VRC4173
+
+extern void vrc4173_enable_kiuint(uint16_t mask);
+extern void vrc4173_disable_kiuint(uint16_t mask);
+
+#else
+
+static inline void vrc4173_enable_kiuint(uint16_t mask) {}
+static inline void vrc4173_disable_kiuint(uint16_t mask) {}
+
+#endif
+
/*
* General-Purpose I/O Unit
*/
GPIO_16_20PINS,
} vrc4173_function_t;
+#ifdef CONFIG_VRC4173
+
extern void vrc4173_select_function(vrc4173_function_t function);
+#else
+
+static inline void vrc4173_select_function(vrc4173_function_t function) {}
+
+#endif
+
#endif /* __NEC_VRC4173_H */