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 <yuasa@hh.iij4u.or.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 <linux/config.h>
  28 #include <asm/io.h>
  29
  30 /*
  31  * Interrupt Number
  32  */
  33 #define VRC4173_IRQ_BASE        72
  34 #define VRC4173_IRQ(x)          (VRC4173_IRQ_BASE + (x))
  35 #define VRC4173_USB_IRQ         VRC4173_IRQ(0)
  36 #define VRC4173_PCMCIA2_IRQ     VRC4173_IRQ(1)
  37 #define VRC4173_PCMCIA1_IRQ     VRC4173_IRQ(2)
  38 #define VRC4173_PS2CH2_IRQ      VRC4173_IRQ(3)
  39 #define VRC4173_PS2CH1_IRQ      VRC4173_IRQ(4)
  40 #define VRC4173_PIU_IRQ         VRC4173_IRQ(5)
  41 #define VRC4173_AIU_IRQ         VRC4173_IRQ(6)
  42 #define VRC4173_KIU_IRQ         VRC4173_IRQ(7)
  43 #define VRC4173_GIU_IRQ         VRC4173_IRQ(8)
  44 #define VRC4173_AC97_IRQ        VRC4173_IRQ(9)
  45 #define VRC4173_AC97INT1_IRQ    VRC4173_IRQ(10)
  46 /* RFU */
  47 #define VRC4173_DOZEPIU_IRQ     VRC4173_IRQ(13)
  48 #define VRC4173_IRQ_LAST        VRC4173_DOZEPIU_IRQ
  49
  50 /*
  51  * PCI I/O accesses
  52  */
  53 #ifdef CONFIG_VRC4173
  54
  55 extern unsigned long vrc4173_io_offset;
  56
  57 #define set_vrc4173_io_offset(offset)   do { vrc4173_io_offset = (offset); } while (0)
  58
  59 #define vrc4173_outb(val,port)          outb((val), vrc4173_io_offset+(port))
  60 #define vrc4173_outw(val,port)          outw((val), vrc4173_io_offset+(port))
  61 #define vrc4173_outl(val,port)          outl((val), vrc4173_io_offset+(port))
  62 #define vrc4173_outb_p(val,port)        outb_p((val), vrc4173_io_offset+(port))
  63 #define vrc4173_outw_p(val,port)        outw_p((val), vrc4173_io_offset+(port))
  64 #define vrc4173_outl_p(val,port)        outl_p((val), vrc4173_io_offset+(port))
  65
  66 #define vrc4173_inb(port)               inb(vrc4173_io_offset+(port))
  67 #define vrc4173_inw(port)               inw(vrc4173_io_offset+(port))
  68 #define vrc4173_inl(port)               inl(vrc4173_io_offset+(port))
  69 #define vrc4173_inb_p(port)             inb_p(vrc4173_io_offset+(port))
  70 #define vrc4173_inw_p(port)             inw_p(vrc4173_io_offset+(port))
  71 #define vrc4173_inl_p(port)             inl_p(vrc4173_io_offset+(port))
  72
  73 #define vrc4173_outsb(port,addr,count)  outsb(vrc4173_io_offset+(port),(addr),(count))
  74 #define vrc4173_outsw(port,addr,count)  outsw(vrc4173_io_offset+(port),(addr),(count))
  75 #define vrc4173_outsl(port,addr,count)  outsl(vrc4173_io_offset+(port),(addr),(count))
  76
  77 #define vrc4173_insb(port,addr,count)   insb(vrc4173_io_offset+(port),(addr),(count))
  78 #define vrc4173_insw(port,addr,count)   insw(vrc4173_io_offset+(port),(addr),(count))
  79 #define vrc4173_insl(port,addr,count)   insl(vrc4173_io_offset+(port),(addr),(count))
  80
  81 #else
  82
  83 #define set_vrc4173_io_offset(offset)   do {} while (0)
  84
  85 #define vrc4173_outb(val,port)          do {} while (0)
  86 #define vrc4173_outw(val,port)          do {} while (0)
  87 #define vrc4173_outl(val,port)          do {} while (0)
  88 #define vrc4173_outb_p(val,port)        do {} while (0)
  89 #define vrc4173_outw_p(val,port)        do {} while (0)
  90 #define vrc4173_outl_p(val,port)        do {} while (0)
  91
  92 #define vrc4173_inb(port)               0
  93 #define vrc4173_inw(port)               0
  94 #define vrc4173_inl(port)               0
  95 #define vrc4173_inb_p(port)             0
  96 #define vrc4173_inw_p(port)             0
  97 #define vrc4173_inl_p(port)             0
  98
  99 #define vrc4173_outsb(port,addr,count)  do {} while (0)
 100 #define vrc4173_outsw(port,addr,count)  do {} while (0)
 101 #define vrc4173_outsl(port,addr,count)  do {} while (0)
 102
 103 #define vrc4173_insb(port,addr,count)   do {} while (0)
 104 #define vrc4173_insw(port,addr,count)   do {} while (0)
 105 #define vrc4173_insl(port,addr,count)   do {} while (0)
 106
 107 #endif
 108
 109 /*
 110  * Clock Mask Unit
 111  */
 112 typedef enum vrc4173_clock {
 113         VRC4173_PIU_CLOCK,
 114         VRC4173_KIU_CLOCK,
 115         VRC4173_AIU_CLOCK,
 116         VRC4173_PS2_CH1_CLOCK,
 117         VRC4173_PS2_CH2_CLOCK,
 118         VRC4173_USBU_PCI_CLOCK,
 119         VRC4173_CARDU1_PCI_CLOCK,
 120         VRC4173_CARDU2_PCI_CLOCK,
 121         VRC4173_AC97U_PCI_CLOCK,
 122         VRC4173_USBU_48MHz_CLOCK,
 123         VRC4173_EXT_48MHz_CLOCK,
 124         VRC4173_48MHz_CLOCK,
 125 } vrc4173_clock_t;
 126
 127 #ifdef CONFIG_VRC4173
 128
 129 extern void vrc4173_supply_clock(vrc4173_clock_t clock);
 130 extern void vrc4173_mask_clock(vrc4173_clock_t clock);
 131
 132 #else
 133
 134 static inline void vrc4173_supply_clock(vrc4173_clock_t clock) {}
 135 static inline void vrc4173_mask_clock(vrc4173_clock_t clock) {}
 136
 137 #endif
 138
 139 /*
 140  * Interupt Control Unit
 141  */
 142
 143 #define VRC4173_PIUINT_COMMAND          0x0040
 144 #define VRC4173_PIUINT_DATA             0x0020
 145 #define VRC4173_PIUINT_PAGE1            0x0010
 146 #define VRC4173_PIUINT_PAGE0            0x0008
 147 #define VRC4173_PIUINT_DATALOST         0x0004
 148 #define VRC4173_PIUINT_STATUSCHANGE     0x0001
 149
 150 #ifdef CONFIG_VRC4173
 151
 152 extern void vrc4173_enable_piuint(uint16_t mask);
 153 extern void vrc4173_disable_piuint(uint16_t mask);
 154
 155 #else
 156
 157 static inline void vrc4173_enable_piuint(uint16_t mask) {}
 158 static inline void vrc4173_disable_piuint(uint16_t mask) {}
 159
 160 #endif
 161
 162 #define VRC4173_AIUINT_INPUT_DMAEND     0x0800
 163 #define VRC4173_AIUINT_INPUT_DMAHALT    0x0400
 164 #define VRC4173_AIUINT_INPUT_DATALOST   0x0200
 165 #define VRC4173_AIUINT_INPUT_DATA       0x0100
 166 #define VRC4173_AIUINT_OUTPUT_DMAEND    0x0008
 167 #define VRC4173_AIUINT_OUTPUT_DMAHALT   0x0004
 168 #define VRC4173_AIUINT_OUTPUT_NODATA    0x0002
 169
 170 #ifdef CONFIG_VRC4173
 171
 172 extern void vrc4173_enable_aiuint(uint16_t mask);
 173 extern void vrc4173_disable_aiuint(uint16_t mask);
 174
 175 #else
 176
 177 static inline void vrc4173_enable_aiuint(uint16_t mask) {}
 178 static inline void vrc4173_disable_aiuint(uint16_t mask) {}
 179
 180 #endif
 181
 182 #define VRC4173_KIUINT_DATALOST         0x0004
 183 #define VRC4173_KIUINT_DATAREADY        0x0002
 184 #define VRC4173_KIUINT_SCAN             0x0001
 185
 186 #ifdef CONFIG_VRC4173
 187
 188 extern void vrc4173_enable_kiuint(uint16_t mask);
 189 extern void vrc4173_disable_kiuint(uint16_t mask);
 190
 191 #else
 192
 193 static inline void vrc4173_enable_kiuint(uint16_t mask) {}
 194 static inline void vrc4173_disable_kiuint(uint16_t mask) {}
 195
 196 #endif
 197
 198 /*
 199  * General-Purpose I/O Unit
 200  */
 201 typedef enum vrc4173_function {
 202         PS2_CHANNEL1,
 203         PS2_CHANNEL2,
 204         TOUCHPANEL,
 205         KEYBOARD_8SCANLINES,
 206         KEYBOARD_10SCANLINES,
 207         KEYBOARD_12SCANLINES,
 208         GPIO_0_15PINS,
 209         GPIO_16_20PINS,
 210 } vrc4173_function_t;
 211
 212 #ifdef CONFIG_VRC4173
 213
 214 extern void vrc4173_select_function(vrc4173_function_t function);
 215
 216 #else
 217
 218 static inline void vrc4173_select_function(vrc4173_function_t function) {}
 219
 220 #endif
 221
 222 #endif /* __NEC_VRC4173_H */