rapide.c revision 9f36d31437922354d104a2db407f397e79e4027e
1/* 2 * Copyright (c) 1996-2002 Russell King. 3 */ 4 5#include <linux/module.h> 6#include <linux/slab.h> 7#include <linux/blkdev.h> 8#include <linux/errno.h> 9#include <linux/ide.h> 10#include <linux/init.h> 11 12#include <asm/ecard.h> 13 14static const struct ide_port_info rapide_port_info = { 15 .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, 16 .chipset = ide_generic, 17}; 18 19static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base, 20 void __iomem *ctrl, unsigned int sz, int irq) 21{ 22 unsigned long port = (unsigned long)base; 23 int i; 24 25 for (i = 0; i <= 7; i++) { 26 hw->io_ports_array[i] = port; 27 port += sz; 28 } 29 hw->io_ports.ctl_addr = (unsigned long)ctrl; 30 hw->irq = irq; 31} 32 33static int __devinit 34rapide_probe(struct expansion_card *ec, const struct ecard_id *id) 35{ 36 void __iomem *base; 37 struct ide_host *host; 38 int ret; 39 struct ide_hw hw, *hws[] = { &hw }; 40 41 ret = ecard_request_resources(ec); 42 if (ret) 43 goto out; 44 45 base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); 46 if (!base) { 47 ret = -ENOMEM; 48 goto release; 49 } 50 51 memset(&hw, 0, sizeof(hw)); 52 rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq); 53 hw.dev = &ec->dev; 54 55 ret = ide_host_add(&rapide_port_info, hws, 1, &host); 56 if (ret) 57 goto release; 58 59 ecard_set_drvdata(ec, host); 60 goto out; 61 62 release: 63 ecard_release_resources(ec); 64 out: 65 return ret; 66} 67 68static void __devexit rapide_remove(struct expansion_card *ec) 69{ 70 struct ide_host *host = ecard_get_drvdata(ec); 71 72 ecard_set_drvdata(ec, NULL); 73 74 ide_host_remove(host); 75 76 ecard_release_resources(ec); 77} 78 79static struct ecard_id rapide_ids[] = { 80 { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 }, 81 { 0xffff, 0xffff } 82}; 83 84static struct ecard_driver rapide_driver = { 85 .probe = rapide_probe, 86 .remove = __devexit_p(rapide_remove), 87 .id_table = rapide_ids, 88 .drv = { 89 .name = "rapide", 90 }, 91}; 92 93static int __init rapide_init(void) 94{ 95 return ecard_register_driver(&rapide_driver); 96} 97 98static void __exit rapide_exit(void) 99{ 100 ecard_remove_driver(&rapide_driver); 101} 102 103MODULE_LICENSE("GPL"); 104MODULE_DESCRIPTION("Yellowstone RAPIDE driver"); 105 106module_init(rapide_init); 107module_exit(rapide_exit); 108