drivers/pcmcia/au1000_generic.h

   1 /*
   2  * Alchemy Semi Au1000 pcmcia driver include file
   3  *
   4  * Copyright 2001 MontaVista Software Inc.
   5  * Author: MontaVista Software, Inc.
   6  *              ppopov@mvista.com or source@mvista.com
   7  *
   8  *  This program is free software; you can distribute it and/or modify it
   9  *  under the terms of the GNU General Public License (Version 2) as
  10  *  published by the Free Software Foundation.
  11  *
  12  *  This program is distributed in the hope it will be useful, but WITHOUT
  13  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15  *  for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  20  */
  21 #ifndef __ASM_AU1000_PCMCIA_H
  22 #define __ASM_AU1000_PCMCIA_H
  23
  24 /* include the world */
  25
  26 #include <pcmcia/ss.h>
  27 #include <pcmcia/cistpl.h>
  28 #include "cs_internal.h"
  29
  30 #define AU1000_PCMCIA_POLL_PERIOD    (2*HZ)
  31 #define AU1000_PCMCIA_IO_SPEED       (255)
  32 #define AU1000_PCMCIA_MEM_SPEED      (300)
  33
  34 #define AU1X_SOCK0_IO        0xF00000000ULL
  35 #define AU1X_SOCK0_PHYS_ATTR 0xF40000000ULL
  36 #define AU1X_SOCK0_PHYS_MEM  0xF80000000ULL
  37
  38 /* pcmcia socket 1 needs external glue logic so the memory map
  39  * differs from board to board.
  40  */
  41 #if defined(CONFIG_MIPS_PB1000)
  42 #define AU1X_SOCK1_IO        0xF08000000ULL
  43 #define AU1X_SOCK1_PHYS_ATTR 0xF48000000ULL
  44 #define AU1X_SOCK1_PHYS_MEM  0xF88000000ULL
  45 #endif
  46
  47 struct pcmcia_state {
  48   unsigned detect: 1,
  49             ready: 1,
  50            wrprot: 1,
  51              bvd1: 1,
  52              bvd2: 1,
  53             vs_3v: 1,
  54             vs_Xv: 1;
  55 };
  56
  57 struct pcmcia_configure {
  58   unsigned sock: 8,
  59             vcc: 8,
  60             vpp: 8,
  61          output: 1,
  62         speaker: 1,
  63           reset: 1;
  64 };
  65
  66 struct pcmcia_irqs {
  67         int sock;
  68         int irq;
  69         const char *str;
  70 };
  71
  72
  73 struct au1000_pcmcia_socket {
  74         struct pcmcia_socket socket;
  75
  76         /*
  77          * Info from low level handler
  78          */
  79         struct device           *dev;
  80         unsigned int            nr;
  81         unsigned int            irq;
  82
  83         /*
  84          * Core PCMCIA state
  85          */
  86         struct pcmcia_low_level *ops;
  87
  88         unsigned int            status;
  89         socket_state_t          cs_state;
  90
  91         unsigned short          spd_io[MAX_IO_WIN];
  92         unsigned short          spd_mem[MAX_WIN];
  93         unsigned short          spd_attr[MAX_WIN];
  94
  95         struct resource         res_skt;
  96         struct resource         res_io;
  97         struct resource         res_mem;
  98         struct resource         res_attr;
  99
 100         void *                  virt_io;
 101         unsigned int            phys_io;
 102         unsigned int            phys_attr;
 103         unsigned int            phys_mem;
 104         unsigned short          speed_io, speed_attr, speed_mem;
 105
 106         unsigned int            irq_state;
 107
 108         struct timer_list       poll_timer;
 109 };
 110
 111 struct pcmcia_low_level {
 112         struct module *owner;
 113
 114         int (*hw_init)(struct au1000_pcmcia_socket *);
 115         void (*hw_shutdown)(struct au1000_pcmcia_socket *);
 116
 117         void (*socket_state)(struct au1000_pcmcia_socket *, struct pcmcia_state *);
 118         int (*configure_socket)(struct au1000_pcmcia_socket *, struct socket_state_t *);
 119
 120         /*
 121          * Enable card status IRQs on (re-)initialisation.  This can
 122          * be called at initialisation, power management event, or
 123          * pcmcia event.
 124          */
 125         void (*socket_init)(struct au1000_pcmcia_socket *);
 126
 127         /*
 128          * Disable card status IRQs and PCMCIA bus on suspend.
 129          */
 130         void (*socket_suspend)(struct au1000_pcmcia_socket *);
 131 };
 132
 133 extern int au1x_board_init(struct device *dev);
 134
 135 #endif /* __ASM_AU1000_PCMCIA_H */