rapide.c
上传用户:lgb322
上传日期:2013-02-24
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文件大小:2k
- /*
- * linux/drivers/ide/rapide.c
- *
- * Copyright (c) 1996-1998 Russell King.
- *
- * Changelog:
- * 08-06-1996 RMK Created
- * 13-04-1998 RMK Added manufacturer and product IDs
- */
- #include <linux/module.h>
- #include <linux/slab.h>
- #include <linux/blkdev.h>
- #include <linux/errno.h>
- #include <linux/ide.h>
- #include <linux/init.h>
- #include <asm/ecard.h>
- static card_ids __init rapide_cids[] = {
- { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
- { 0xffff, 0xffff }
- };
- static struct expansion_card *ec[MAX_ECARDS];
- static int result[MAX_ECARDS];
- static inline int rapide_register(struct expansion_card *ec)
- {
- unsigned long port = ecard_address (ec, ECARD_MEMC, 0);
- hw_regs_t hw;
- int i;
- memset(&hw, 0, sizeof(hw));
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- hw.io_ports[i] = (ide_ioreg_t)port;
- port += 1 << 4;
- }
- hw.io_ports[IDE_CONTROL_OFFSET] = port + 0x206;
- hw.irq = ec->irq;
- return ide_register_hw(&hw, NULL);
- }
- int __init rapide_init(void)
- {
- int i;
- for (i = 0; i < MAX_ECARDS; i++)
- ec[i] = NULL;
- ecard_startfind();
- for (i = 0; ; i++) {
- if ((ec[i] = ecard_find(0, rapide_cids)) == NULL)
- break;
- ecard_claim(ec[i]);
- result[i] = rapide_register(ec[i]);
- }
- for (i = 0; i < MAX_ECARDS; i++)
- if (ec[i] && result[i] < 0) {
- ecard_release(ec[i]);
- ec[i] = NULL;
- }
- return 0;
- }
- #ifdef MODULE
- MODULE_LICENSE("GPL");
- int init_module (void)
- {
- return rapide_init();
- }
- void cleanup_module (void)
- {
- int i;
- for (i = 0; i < MAX_ECARDS; i++)
- if (ec[i]) {
- unsigned long port;
- port = ecard_address(ec[i], ECARD_MEMC, 0);
- ide_unregister_port(port, ec[i]->irq, 16);
- ecard_release(ec[i]);
- ec[i] = NULL;
- }
- }
- #endif