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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /drivers/ide/rapide.c | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip |
dirty fix to merging
Diffstat (limited to 'drivers/ide/rapide.c')
-rw-r--r-- | drivers/ide/rapide.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/ide/rapide.c b/drivers/ide/rapide.c new file mode 100644 index 00000000..48d976aa --- /dev/null +++ b/drivers/ide/rapide.c @@ -0,0 +1,106 @@ +/* + * Copyright (c) 1996-2002 Russell King. + */ + +#include <linux/module.h> +#include <linux/blkdev.h> +#include <linux/errno.h> +#include <linux/ide.h> +#include <linux/init.h> + +#include <asm/ecard.h> + +static const struct ide_port_info rapide_port_info = { + .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, + .chipset = ide_generic, +}; + +static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base, + void __iomem *ctrl, unsigned int sz, int irq) +{ + unsigned long port = (unsigned long)base; + int i; + + for (i = 0; i <= 7; i++) { + hw->io_ports_array[i] = port; + port += sz; + } + hw->io_ports.ctl_addr = (unsigned long)ctrl; + hw->irq = irq; +} + +static int __devinit +rapide_probe(struct expansion_card *ec, const struct ecard_id *id) +{ + void __iomem *base; + struct ide_host *host; + int ret; + struct ide_hw hw, *hws[] = { &hw }; + + ret = ecard_request_resources(ec); + if (ret) + goto out; + + base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); + if (!base) { + ret = -ENOMEM; + goto release; + } + + memset(&hw, 0, sizeof(hw)); + rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq); + hw.dev = &ec->dev; + + ret = ide_host_add(&rapide_port_info, hws, 1, &host); + if (ret) + goto release; + + ecard_set_drvdata(ec, host); + goto out; + + release: + ecard_release_resources(ec); + out: + return ret; +} + +static void __devexit rapide_remove(struct expansion_card *ec) +{ + struct ide_host *host = ecard_get_drvdata(ec); + + ecard_set_drvdata(ec, NULL); + + ide_host_remove(host); + + ecard_release_resources(ec); +} + +static struct ecard_id rapide_ids[] = { + { MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 }, + { 0xffff, 0xffff } +}; + +static struct ecard_driver rapide_driver = { + .probe = rapide_probe, + .remove = __devexit_p(rapide_remove), + .id_table = rapide_ids, + .drv = { + .name = "rapide", + }, +}; + +static int __init rapide_init(void) +{ + return ecard_register_driver(&rapide_driver); +} + +static void __exit rapide_exit(void) +{ + ecard_remove_driver(&rapide_driver); +} + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Yellowstone RAPIDE driver"); + +module_init(rapide_init); +module_exit(rapide_exit); |