1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 1996-2002 Russell King.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include <linux/module.h>
7*4882a593Smuzhiyun #include <linux/blkdev.h>
8*4882a593Smuzhiyun #include <linux/errno.h>
9*4882a593Smuzhiyun #include <linux/ide.h>
10*4882a593Smuzhiyun #include <linux/init.h>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <asm/ecard.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun static const struct ide_port_info rapide_port_info = {
15*4882a593Smuzhiyun .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
16*4882a593Smuzhiyun .chipset = ide_generic,
17*4882a593Smuzhiyun };
18*4882a593Smuzhiyun
rapide_setup_ports(struct ide_hw * hw,void __iomem * base,void __iomem * ctrl,unsigned int sz,int irq)19*4882a593Smuzhiyun static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base,
20*4882a593Smuzhiyun void __iomem *ctrl, unsigned int sz, int irq)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun unsigned long port = (unsigned long)base;
23*4882a593Smuzhiyun int i;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun for (i = 0; i <= 7; i++) {
26*4882a593Smuzhiyun hw->io_ports_array[i] = port;
27*4882a593Smuzhiyun port += sz;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun hw->io_ports.ctl_addr = (unsigned long)ctrl;
30*4882a593Smuzhiyun hw->irq = irq;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun
rapide_probe(struct expansion_card * ec,const struct ecard_id * id)33*4882a593Smuzhiyun static int rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun void __iomem *base;
36*4882a593Smuzhiyun struct ide_host *host;
37*4882a593Smuzhiyun int ret;
38*4882a593Smuzhiyun struct ide_hw hw, *hws[] = { &hw };
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun ret = ecard_request_resources(ec);
41*4882a593Smuzhiyun if (ret)
42*4882a593Smuzhiyun goto out;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
45*4882a593Smuzhiyun if (!base) {
46*4882a593Smuzhiyun ret = -ENOMEM;
47*4882a593Smuzhiyun goto release;
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun memset(&hw, 0, sizeof(hw));
51*4882a593Smuzhiyun rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
52*4882a593Smuzhiyun hw.dev = &ec->dev;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun ret = ide_host_add(&rapide_port_info, hws, 1, &host);
55*4882a593Smuzhiyun if (ret)
56*4882a593Smuzhiyun goto release;
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun ecard_set_drvdata(ec, host);
59*4882a593Smuzhiyun goto out;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun release:
62*4882a593Smuzhiyun ecard_release_resources(ec);
63*4882a593Smuzhiyun out:
64*4882a593Smuzhiyun return ret;
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
rapide_remove(struct expansion_card * ec)67*4882a593Smuzhiyun static void rapide_remove(struct expansion_card *ec)
68*4882a593Smuzhiyun {
69*4882a593Smuzhiyun struct ide_host *host = ecard_get_drvdata(ec);
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun ecard_set_drvdata(ec, NULL);
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun ide_host_remove(host);
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun ecard_release_resources(ec);
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun static struct ecard_id rapide_ids[] = {
79*4882a593Smuzhiyun { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
80*4882a593Smuzhiyun { 0xffff, 0xffff }
81*4882a593Smuzhiyun };
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun static struct ecard_driver rapide_driver = {
84*4882a593Smuzhiyun .probe = rapide_probe,
85*4882a593Smuzhiyun .remove = rapide_remove,
86*4882a593Smuzhiyun .id_table = rapide_ids,
87*4882a593Smuzhiyun .drv = {
88*4882a593Smuzhiyun .name = "rapide",
89*4882a593Smuzhiyun },
90*4882a593Smuzhiyun };
91*4882a593Smuzhiyun
rapide_init(void)92*4882a593Smuzhiyun static int __init rapide_init(void)
93*4882a593Smuzhiyun {
94*4882a593Smuzhiyun return ecard_register_driver(&rapide_driver);
95*4882a593Smuzhiyun }
96*4882a593Smuzhiyun
rapide_exit(void)97*4882a593Smuzhiyun static void __exit rapide_exit(void)
98*4882a593Smuzhiyun {
99*4882a593Smuzhiyun ecard_remove_driver(&rapide_driver);
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun MODULE_LICENSE("GPL");
103*4882a593Smuzhiyun MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun module_init(rapide_init);
106*4882a593Smuzhiyun module_exit(rapide_exit);
107