drivers/ide/rapide.c

   1 /*
   2  * linux/drivers/ide/rapide.c
   3  *
   4  * Copyright (c) 1996-1998 Russell King.
   5  *
   6  * Changelog:
   7  *  08-06-1996  RMK     Created
   8  *  13-04-1998  RMK     Added manufacturer and product IDs
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/malloc.h>
  13 #include <linux/blkdev.h>
  14 #include <linux/errno.h>
  15 #include <linux/ide.h>
  16 #include <linux/init.h>
  17
  18 #include <asm/ecard.h>
  19
  20 static const card_ids __init rapide_cids[] = {
  21         { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
  22         { 0xffff, 0xffff }
  23 };
  24
  25 static struct expansion_card *ec[MAX_ECARDS];
  26 static int result[MAX_ECARDS];
  27
  28 static inline int rapide_register(struct expansion_card *ec)
  29 {
  30         unsigned long port = ecard_address (ec, ECARD_MEMC, 0);
  31         hw_regs_t hw;
  32
  33         int i;
  34
  35         memset(&hw, 0, sizeof(hw));
  36
  37         for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
  38                 hw.io_ports[i] = (ide_ioreg_t)port;
  39                 port += 1 << 4;
  40         }
  41         hw.io_ports[IDE_CONTROL_OFFSET] = port + 0x206;
  42         hw.irq = ec->irq;
  43
  44         return ide_register_hw(&hw, NULL);
  45 }
  46
  47 int __init rapide_init(void)
  48 {
  49         int i;
  50
  51         for (i = 0; i < MAX_ECARDS; i++)
  52                 ec[i] = NULL;
  53
  54         ecard_startfind();
  55
  56         for (i = 0; ; i++) {
  57                 if ((ec[i] = ecard_find(0, rapide_cids)) == NULL)
  58                         break;
  59
  60                 ecard_claim(ec[i]);
  61                 result[i] = rapide_register(ec[i]);
  62         }
  63         for (i = 0; i < MAX_ECARDS; i++)
  64                 if (ec[i] && result[i] < 0) {
  65                         ecard_release(ec[i]);
  66                         ec[i] = NULL;
  67         }
  68         return 0;
  69 }
  70
  71 #ifdef MODULE
  72
  73 int init_module (void)
  74 {
  75         return rapide_init();
  76 }
  77
  78 void cleanup_module (void)
  79 {
  80         int i;
  81
  82         for (i = 0; i < MAX_ECARDS; i++)
  83                 if (ec[i]) {
  84                         unsigned long port;
  85                         port = ecard_address(ec[i], ECARD_MEMC, 0);
  86
  87                         ide_unregister_port(port, ec[i]->irq, 16);
  88                         ecard_release(ec[i]);
  89                         ec[i] = NULL;
  90                 }
  91 }
  92 #endif
  93