107 lines
2.0 KiB
C
107 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 1996-2002 Russell King.
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*/
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#include <linux/module.h>
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#include <linux/blkdev.h>
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#include <linux/errno.h>
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#include <linux/ide.h>
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#include <linux/init.h>
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#include <asm/ecard.h>
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static const struct ide_port_info rapide_port_info = {
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.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
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.chipset = ide_generic,
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};
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static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base,
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void __iomem *ctrl, unsigned int sz, int irq)
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{
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unsigned long port = (unsigned long)base;
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int i;
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for (i = 0; i <= 7; i++) {
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hw->io_ports_array[i] = port;
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port += sz;
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}
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hw->io_ports.ctl_addr = (unsigned long)ctrl;
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hw->irq = irq;
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}
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static int rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
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{
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void __iomem *base;
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struct ide_host *host;
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int ret;
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struct ide_hw hw, *hws[] = { &hw };
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ret = ecard_request_resources(ec);
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if (ret)
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goto out;
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base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
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if (!base) {
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ret = -ENOMEM;
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goto release;
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}
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memset(&hw, 0, sizeof(hw));
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rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
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hw.dev = &ec->dev;
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ret = ide_host_add(&rapide_port_info, hws, 1, &host);
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if (ret)
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goto release;
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ecard_set_drvdata(ec, host);
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goto out;
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release:
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ecard_release_resources(ec);
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out:
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return ret;
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}
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static void rapide_remove(struct expansion_card *ec)
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{
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struct ide_host *host = ecard_get_drvdata(ec);
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ecard_set_drvdata(ec, NULL);
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ide_host_remove(host);
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ecard_release_resources(ec);
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}
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static struct ecard_id rapide_ids[] = {
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{ MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
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{ 0xffff, 0xffff }
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};
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static struct ecard_driver rapide_driver = {
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.probe = rapide_probe,
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.remove = rapide_remove,
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.id_table = rapide_ids,
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.drv = {
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.name = "rapide",
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},
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};
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static int __init rapide_init(void)
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{
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return ecard_register_driver(&rapide_driver);
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}
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static void __exit rapide_exit(void)
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{
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ecard_remove_driver(&rapide_driver);
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}
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
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module_init(rapide_init);
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module_exit(rapide_exit);
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