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