include/asm-mips/vr41xx/vrc4173.h

   1 /*
   2  *  vrc4173.h, Include file for NEC VRC4173.
   3  *
   4  *  Copyright (C) 2000  Michael R. McDonald
   5  *  Copyright (C) 2001-2003 Montavista Software Inc.
   6  *    Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com>
   7  *  Copyright (C) 2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
   8  *  Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24 #ifndef __NEC_VRC4173_H
  25 #define __NEC_VRC4173_H
  26
  27 #include <asm/io.h>
  28
  29 /*
  30  * PCI I/O accesses
  31  */
  32 #ifdef CONFIG_VRC4173
  33
  34 extern unsigned long vrc4173_io_offset;
  35
  36 #define set_vrc4173_io_offset(offset)   do { vrc4173_io_offset = (offset); } while (0)
  37
  38 #define vrc4173_outb(val,port)          outb((val), vrc4173_io_offset+(port))
  39 #define vrc4173_outw(val,port)          outw((val), vrc4173_io_offset+(port))
  40 #define vrc4173_outl(val,port)          outl((val), vrc4173_io_offset+(port))
  41 #define vrc4173_outb_p(val,port)        outb_p((val), vrc4173_io_offset+(port))
  42 #define vrc4173_outw_p(val,port)        outw_p((val), vrc4173_io_offset+(port))
  43 #define vrc4173_outl_p(val,port)        outl_p((val), vrc4173_io_offset+(port))
  44
  45 #define vrc4173_inb(port)               inb(vrc4173_io_offset+(port))
  46 #define vrc4173_inw(port)               inw(vrc4173_io_offset+(port))
  47 #define vrc4173_inl(port)               inl(vrc4173_io_offset+(port))
  48 #define vrc4173_inb_p(port)             inb_p(vrc4173_io_offset+(port))
  49 #define vrc4173_inw_p(port)             inw_p(vrc4173_io_offset+(port))
  50 #define vrc4173_inl_p(port)             inl_p(vrc4173_io_offset+(port))
  51
  52 #define vrc4173_outsb(port,addr,count)  outsb(vrc4173_io_offset+(port),(addr),(count))
  53 #define vrc4173_outsw(port,addr,count)  outsw(vrc4173_io_offset+(port),(addr),(count))
  54 #define vrc4173_outsl(port,addr,count)  outsl(vrc4173_io_offset+(port),(addr),(count))
  55
  56 #define vrc4173_insb(port,addr,count)   insb(vrc4173_io_offset+(port),(addr),(count))
  57 #define vrc4173_insw(port,addr,count)   insw(vrc4173_io_offset+(port),(addr),(count))
  58 #define vrc4173_insl(port,addr,count)   insl(vrc4173_io_offset+(port),(addr),(count))
  59
  60 #else
  61
  62 #define set_vrc4173_io_offset(offset)   do {} while (0)
  63
  64 #define vrc4173_outb(val,port)          do {} while (0)
  65 #define vrc4173_outw(val,port)          do {} while (0)
  66 #define vrc4173_outl(val,port)          do {} while (0)
  67 #define vrc4173_outb_p(val,port)        do {} while (0)
  68 #define vrc4173_outw_p(val,port)        do {} while (0)
  69 #define vrc4173_outl_p(val,port)        do {} while (0)
  70
  71 #define vrc4173_inb(port)               0
  72 #define vrc4173_inw(port)               0
  73 #define vrc4173_inl(port)               0
  74 #define vrc4173_inb_p(port)             0
  75 #define vrc4173_inw_p(port)             0
  76 #define vrc4173_inl_p(port)             0
  77
  78 #define vrc4173_outsb(port,addr,count)  do {} while (0)
  79 #define vrc4173_outsw(port,addr,count)  do {} while (0)
  80 #define vrc4173_outsl(port,addr,count)  do {} while (0)
  81
  82 #define vrc4173_insb(port,addr,count)   do {} while (0)
  83 #define vrc4173_insw(port,addr,count)   do {} while (0)
  84 #define vrc4173_insl(port,addr,count)   do {} while (0)
  85
  86 #endif
  87
  88 /*
  89  * Clock Mask Unit
  90  */
  91 typedef enum vrc4173_clock {
  92         VRC4173_PIU_CLOCK,
  93         VRC4173_KIU_CLOCK,
  94         VRC4173_AIU_CLOCK,
  95         VRC4173_PS2_CH1_CLOCK,
  96         VRC4173_PS2_CH2_CLOCK,
  97         VRC4173_USBU_PCI_CLOCK,
  98         VRC4173_CARDU1_PCI_CLOCK,
  99         VRC4173_CARDU2_PCI_CLOCK,
 100         VRC4173_AC97U_PCI_CLOCK,
 101         VRC4173_USBU_48MHz_CLOCK,
 102         VRC4173_EXT_48MHz_CLOCK,
 103         VRC4173_48MHz_CLOCK,
 104 } vrc4173_clock_t;
 105
 106 #ifdef CONFIG_VRC4173
 107
 108 extern void vrc4173_supply_clock(vrc4173_clock_t clock);
 109 extern void vrc4173_mask_clock(vrc4173_clock_t clock);
 110
 111 #else
 112
 113 static inline void vrc4173_supply_clock(vrc4173_clock_t clock) {}
 114 static inline void vrc4173_mask_clock(vrc4173_clock_t clock) {}
 115
 116 #endif
 117
 118 /*
 119  * Interupt Control Unit
 120  */
 121
 122 #define VRC4173_PIUINT_COMMAND          0x0040
 123 #define VRC4173_PIUINT_DATA             0x0020
 124 #define VRC4173_PIUINT_PAGE1            0x0010
 125 #define VRC4173_PIUINT_PAGE0            0x0008
 126 #define VRC4173_PIUINT_DATALOST         0x0004
 127 #define VRC4173_PIUINT_STATUSCHANGE     0x0001
 128
 129 #ifdef CONFIG_VRC4173
 130
 131 extern void vrc4173_enable_piuint(uint16_t mask);
 132 extern void vrc4173_disable_piuint(uint16_t mask);
 133
 134 #else
 135
 136 static inline void vrc4173_enable_piuint(uint16_t mask) {}
 137 static inline void vrc4173_disable_piuint(uint16_t mask) {}
 138
 139 #endif
 140
 141 #define VRC4173_AIUINT_INPUT_DMAEND     0x0800
 142 #define VRC4173_AIUINT_INPUT_DMAHALT    0x0400
 143 #define VRC4173_AIUINT_INPUT_DATALOST   0x0200
 144 #define VRC4173_AIUINT_INPUT_DATA       0x0100
 145 #define VRC4173_AIUINT_OUTPUT_DMAEND    0x0008
 146 #define VRC4173_AIUINT_OUTPUT_DMAHALT   0x0004
 147 #define VRC4173_AIUINT_OUTPUT_NODATA    0x0002
 148
 149 #ifdef CONFIG_VRC4173
 150
 151 extern void vrc4173_enable_aiuint(uint16_t mask);
 152 extern void vrc4173_disable_aiuint(uint16_t mask);
 153
 154 #else
 155
 156 static inline void vrc4173_enable_aiuint(uint16_t mask) {}
 157 static inline void vrc4173_disable_aiuint(uint16_t mask) {}
 158
 159 #endif
 160
 161 #define VRC4173_KIUINT_DATALOST         0x0004
 162 #define VRC4173_KIUINT_DATAREADY        0x0002
 163 #define VRC4173_KIUINT_SCAN             0x0001
 164
 165 #ifdef CONFIG_VRC4173
 166
 167 extern void vrc4173_enable_kiuint(uint16_t mask);
 168 extern void vrc4173_disable_kiuint(uint16_t mask);
 169
 170 #else
 171
 172 static inline void vrc4173_enable_kiuint(uint16_t mask) {}
 173 static inline void vrc4173_disable_kiuint(uint16_t mask) {}
 174
 175 #endif
 176
 177 /*
 178  * General-Purpose I/O Unit
 179  */
 180 typedef enum vrc4173_function {
 181         PS2_CHANNEL1,
 182         PS2_CHANNEL2,
 183         TOUCHPANEL,
 184         KEYBOARD_8SCANLINES,
 185         KEYBOARD_10SCANLINES,
 186         KEYBOARD_12SCANLINES,
 187         GPIO_0_15PINS,
 188         GPIO_16_20PINS,
 189 } vrc4173_function_t;
 190
 191 #ifdef CONFIG_VRC4173
 192
 193 extern void vrc4173_select_function(vrc4173_function_t function);
 194
 195 #else
 196
 197 static inline void vrc4173_select_function(vrc4173_function_t function) {}
 198
 199 #endif
 200
 201 #endif /* __NEC_VRC4173_H */