11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Standard Hot Plug Controller Driver 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 1995,2001 Compaq Computer Corporation 51da177e4SLinus Torvalds * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) 61da177e4SLinus Torvalds * Copyright (C) 2001 IBM Corp. 71da177e4SLinus Torvalds * Copyright (C) 2003-2004 Intel Corporation 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * All rights reserved. 101da177e4SLinus Torvalds * 111da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 121da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 131da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or (at 141da177e4SLinus Torvalds * your option) any later version. 151da177e4SLinus Torvalds * 161da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, but 171da177e4SLinus Torvalds * WITHOUT ANY WARRANTY; without even the implied warranty of 181da177e4SLinus Torvalds * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 191da177e4SLinus Torvalds * NON INFRINGEMENT. See the GNU General Public License for more 201da177e4SLinus Torvalds * details. 211da177e4SLinus Torvalds * 221da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 231da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 241da177e4SLinus Torvalds * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 251da177e4SLinus Torvalds * 268cf4c195SKristen Accardi * Send feedback to <greg@kroah.com>, <kristen.c.accardi@intel.com> 271da177e4SLinus Torvalds * 281da177e4SLinus Torvalds */ 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds #include <linux/module.h> 311da177e4SLinus Torvalds #include <linux/moduleparam.h> 321da177e4SLinus Torvalds #include <linux/kernel.h> 331da177e4SLinus Torvalds #include <linux/types.h> 345a0e3ad6STejun Heo #include <linux/slab.h> 351da177e4SLinus Torvalds #include <linux/pci.h> 361da177e4SLinus Torvalds #include "shpchp.h" 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds /* Global variables */ 3990ab5ee9SRusty Russell bool shpchp_debug; 4090ab5ee9SRusty Russell bool shpchp_poll_mode; 411da177e4SLinus Torvalds int shpchp_poll_time; 421da177e4SLinus Torvalds 431da177e4SLinus Torvalds #define DRIVER_VERSION "0.4" 441da177e4SLinus Torvalds #define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>" 451da177e4SLinus Torvalds #define DRIVER_DESC "Standard Hot Plug PCI Controller Driver" 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds MODULE_AUTHOR(DRIVER_AUTHOR); 481da177e4SLinus Torvalds MODULE_DESCRIPTION(DRIVER_DESC); 491da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds module_param(shpchp_debug, bool, 0644); 521da177e4SLinus Torvalds module_param(shpchp_poll_mode, bool, 0644); 531da177e4SLinus Torvalds module_param(shpchp_poll_time, int, 0644); 541da177e4SLinus Torvalds MODULE_PARM_DESC(shpchp_debug, "Debugging mode enabled or not"); 551da177e4SLinus Torvalds MODULE_PARM_DESC(shpchp_poll_mode, "Using polling mechanism for hot-plug events or not"); 561da177e4SLinus Torvalds MODULE_PARM_DESC(shpchp_poll_time, "Polling mechanism frequency, in seconds"); 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds #define SHPC_MODULE_NAME "shpchp" 591da177e4SLinus Torvalds 601da177e4SLinus Torvalds static int set_attention_status (struct hotplug_slot *slot, u8 value); 611da177e4SLinus Torvalds static int enable_slot (struct hotplug_slot *slot); 621da177e4SLinus Torvalds static int disable_slot (struct hotplug_slot *slot); 631da177e4SLinus Torvalds static int get_power_status (struct hotplug_slot *slot, u8 *value); 641da177e4SLinus Torvalds static int get_attention_status (struct hotplug_slot *slot, u8 *value); 651da177e4SLinus Torvalds static int get_latch_status (struct hotplug_slot *slot, u8 *value); 661da177e4SLinus Torvalds static int get_adapter_status (struct hotplug_slot *slot, u8 *value); 671da177e4SLinus Torvalds 681da177e4SLinus Torvalds static struct hotplug_slot_ops shpchp_hotplug_slot_ops = { 691da177e4SLinus Torvalds .set_attention_status = set_attention_status, 701da177e4SLinus Torvalds .enable_slot = enable_slot, 711da177e4SLinus Torvalds .disable_slot = disable_slot, 721da177e4SLinus Torvalds .get_power_status = get_power_status, 731da177e4SLinus Torvalds .get_attention_status = get_attention_status, 741da177e4SLinus Torvalds .get_latch_status = get_latch_status, 751da177e4SLinus Torvalds .get_adapter_status = get_adapter_status, 761da177e4SLinus Torvalds }; 771da177e4SLinus Torvalds 781da177e4SLinus Torvalds /** 791da177e4SLinus Torvalds * release_slot - free up the memory used by a slot 801da177e4SLinus Torvalds * @hotplug_slot: slot to free 811da177e4SLinus Torvalds */ 821da177e4SLinus Torvalds static void release_slot(struct hotplug_slot *hotplug_slot) 831da177e4SLinus Torvalds { 84ee17fd93SDely Sy struct slot *slot = hotplug_slot->private; 851da177e4SLinus Torvalds 86be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 87f98ca311STaku Izumi __func__, slot_name(slot)); 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds kfree(slot->hotplug_slot->info); 901da177e4SLinus Torvalds kfree(slot->hotplug_slot); 911da177e4SLinus Torvalds kfree(slot); 921da177e4SLinus Torvalds } 931da177e4SLinus Torvalds 941da177e4SLinus Torvalds static int init_slots(struct controller *ctrl) 951da177e4SLinus Torvalds { 96926030f6SKenji Kaneshige struct slot *slot; 97926030f6SKenji Kaneshige struct hotplug_slot *hotplug_slot; 98926030f6SKenji Kaneshige struct hotplug_slot_info *info; 9966f17055SAlex Chiang char name[SLOT_NAME_SIZE]; 10083d05710SJulia Lawall int retval; 1015fe6cc60SAlex Chiang int i; 1021da177e4SLinus Torvalds 103926030f6SKenji Kaneshige for (i = 0; i < ctrl->num_slots; i++) { 10457c95c0dSKenji Kaneshige slot = kzalloc(sizeof(*slot), GFP_KERNEL); 10583d05710SJulia Lawall if (!slot) { 10683d05710SJulia Lawall retval = -ENOMEM; 1071da177e4SLinus Torvalds goto error; 10883d05710SJulia Lawall } 1091da177e4SLinus Torvalds 11057c95c0dSKenji Kaneshige hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL); 11183d05710SJulia Lawall if (!hotplug_slot) { 11283d05710SJulia Lawall retval = -ENOMEM; 1131da177e4SLinus Torvalds goto error_slot; 11483d05710SJulia Lawall } 115926030f6SKenji Kaneshige slot->hotplug_slot = hotplug_slot; 1161da177e4SLinus Torvalds 11757c95c0dSKenji Kaneshige info = kzalloc(sizeof(*info), GFP_KERNEL); 11883d05710SJulia Lawall if (!info) { 11983d05710SJulia Lawall retval = -ENOMEM; 1201da177e4SLinus Torvalds goto error_hpslot; 12183d05710SJulia Lawall } 122926030f6SKenji Kaneshige hotplug_slot->info = info; 1231da177e4SLinus Torvalds 124926030f6SKenji Kaneshige slot->hp_slot = i; 125926030f6SKenji Kaneshige slot->ctrl = ctrl; 126227b84c7SKenji Kaneshige slot->bus = ctrl->pci_dev->subordinate->number; 127926030f6SKenji Kaneshige slot->device = ctrl->slot_device_offset + i; 128926030f6SKenji Kaneshige slot->hpc_ops = ctrl->hpc_ops; 1296f39be2eSKenji Kaneshige slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i); 130f652e7d2SBjorn Helgaas 131d8537548SKees Cook slot->wq = alloc_workqueue("shpchp-%d", 0, 0, slot->number); 132f652e7d2SBjorn Helgaas if (!slot->wq) { 133f652e7d2SBjorn Helgaas retval = -ENOMEM; 134f652e7d2SBjorn Helgaas goto error_info; 135f652e7d2SBjorn Helgaas } 136f652e7d2SBjorn Helgaas 137a246fa4eSKenji Kaneshige mutex_init(&slot->lock); 138e325e1f0SKristen Carlson Accardi INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work); 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvalds /* register this slot with the hotplug pci core */ 141926030f6SKenji Kaneshige hotplug_slot->private = slot; 142926030f6SKenji Kaneshige hotplug_slot->release = &release_slot; 14366f17055SAlex Chiang snprintf(name, SLOT_NAME_SIZE, "%d", slot->number); 144926030f6SKenji Kaneshige hotplug_slot->ops = &shpchp_hotplug_slot_ops; 1451da177e4SLinus Torvalds 146227f0647SRyan Desfosses ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x hp_slot=%x sun=%x slot_device_offset=%x\n", 147be7bce25STaku Izumi pci_domain_nr(ctrl->pci_dev->subordinate), 148be7bce25STaku Izumi slot->bus, slot->device, slot->hp_slot, slot->number, 149be7bce25STaku Izumi ctrl->slot_device_offset); 150f46753c5SAlex Chiang retval = pci_hp_register(slot->hotplug_slot, 15166f17055SAlex Chiang ctrl->pci_dev->subordinate, slot->device, name); 152926030f6SKenji Kaneshige if (retval) { 153f98ca311STaku Izumi ctrl_err(ctrl, "pci_hp_register failed with error %d\n", 154f98ca311STaku Izumi retval); 155f652e7d2SBjorn Helgaas goto error_slotwq; 1561da177e4SLinus Torvalds } 1571da177e4SLinus Torvalds 15866f17055SAlex Chiang get_power_status(hotplug_slot, &info->power_status); 15966f17055SAlex Chiang get_attention_status(hotplug_slot, &info->attention_status); 16066f17055SAlex Chiang get_latch_status(hotplug_slot, &info->latch_status); 16166f17055SAlex Chiang get_adapter_status(hotplug_slot, &info->adapter_status); 16266f17055SAlex Chiang 1635b1a960dSKenji Kaneshige list_add(&slot->slot_list, &ctrl->slot_list); 1641da177e4SLinus Torvalds } 1651da177e4SLinus Torvalds 1661da177e4SLinus Torvalds return 0; 167f652e7d2SBjorn Helgaas error_slotwq: 168f652e7d2SBjorn Helgaas destroy_workqueue(slot->wq); 1691da177e4SLinus Torvalds error_info: 170926030f6SKenji Kaneshige kfree(info); 1711da177e4SLinus Torvalds error_hpslot: 172926030f6SKenji Kaneshige kfree(hotplug_slot); 1731da177e4SLinus Torvalds error_slot: 174926030f6SKenji Kaneshige kfree(slot); 1751da177e4SLinus Torvalds error: 176926030f6SKenji Kaneshige return retval; 1771da177e4SLinus Torvalds } 1781da177e4SLinus Torvalds 179f7391f53SKenji Kaneshige void cleanup_slots(struct controller *ctrl) 1801da177e4SLinus Torvalds { 1815b1a960dSKenji Kaneshige struct list_head *tmp; 1825b1a960dSKenji Kaneshige struct list_head *next; 1835b1a960dSKenji Kaneshige struct slot *slot; 1841da177e4SLinus Torvalds 1855b1a960dSKenji Kaneshige list_for_each_safe(tmp, next, &ctrl->slot_list) { 1865b1a960dSKenji Kaneshige slot = list_entry(tmp, struct slot, slot_list); 1875b1a960dSKenji Kaneshige list_del(&slot->slot_list); 188f7391f53SKenji Kaneshige cancel_delayed_work(&slot->work); 189f652e7d2SBjorn Helgaas destroy_workqueue(slot->wq); 1905b1a960dSKenji Kaneshige pci_hp_deregister(slot->hotplug_slot); 1911da177e4SLinus Torvalds } 1921da177e4SLinus Torvalds } 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds /* 1951da177e4SLinus Torvalds * set_attention_status - Turns the Amber LED for a slot on, off or blink 1961da177e4SLinus Torvalds */ 1971da177e4SLinus Torvalds static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status) 1981da177e4SLinus Torvalds { 1998352e04eSKenji Kaneshige struct slot *slot = get_slot(hotplug_slot); 2001da177e4SLinus Torvalds 201be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 202f98ca311STaku Izumi __func__, slot_name(slot)); 2031da177e4SLinus Torvalds 2041da177e4SLinus Torvalds hotplug_slot->info->attention_status = status; 2051da177e4SLinus Torvalds slot->hpc_ops->set_attention_status(slot, status); 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvalds return 0; 2081da177e4SLinus Torvalds } 2091da177e4SLinus Torvalds 2101da177e4SLinus Torvalds static int enable_slot (struct hotplug_slot *hotplug_slot) 2111da177e4SLinus Torvalds { 2128352e04eSKenji Kaneshige struct slot *slot = get_slot(hotplug_slot); 2131da177e4SLinus Torvalds 214be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 215f98ca311STaku Izumi __func__, slot_name(slot)); 2161da177e4SLinus Torvalds 217a246fa4eSKenji Kaneshige return shpchp_sysfs_enable_slot(slot); 2181da177e4SLinus Torvalds } 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds static int disable_slot (struct hotplug_slot *hotplug_slot) 2211da177e4SLinus Torvalds { 2228352e04eSKenji Kaneshige struct slot *slot = get_slot(hotplug_slot); 2231da177e4SLinus Torvalds 224be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 225f98ca311STaku Izumi __func__, slot_name(slot)); 2261da177e4SLinus Torvalds 227a246fa4eSKenji Kaneshige return shpchp_sysfs_disable_slot(slot); 2281da177e4SLinus Torvalds } 2291da177e4SLinus Torvalds 2301da177e4SLinus Torvalds static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value) 2311da177e4SLinus Torvalds { 2328352e04eSKenji Kaneshige struct slot *slot = get_slot(hotplug_slot); 2331da177e4SLinus Torvalds int retval; 2341da177e4SLinus Torvalds 235be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 236f98ca311STaku Izumi __func__, slot_name(slot)); 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds retval = slot->hpc_ops->get_power_status(slot, value); 2391da177e4SLinus Torvalds if (retval < 0) 2401da177e4SLinus Torvalds *value = hotplug_slot->info->power_status; 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvalds return 0; 2431da177e4SLinus Torvalds } 2441da177e4SLinus Torvalds 2451da177e4SLinus Torvalds static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value) 2461da177e4SLinus Torvalds { 2478352e04eSKenji Kaneshige struct slot *slot = get_slot(hotplug_slot); 2481da177e4SLinus Torvalds int retval; 2491da177e4SLinus Torvalds 250be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 251f98ca311STaku Izumi __func__, slot_name(slot)); 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds retval = slot->hpc_ops->get_attention_status(slot, value); 2541da177e4SLinus Torvalds if (retval < 0) 2551da177e4SLinus Torvalds *value = hotplug_slot->info->attention_status; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds return 0; 2581da177e4SLinus Torvalds } 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvalds static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value) 2611da177e4SLinus Torvalds { 2628352e04eSKenji Kaneshige struct slot *slot = get_slot(hotplug_slot); 2631da177e4SLinus Torvalds int retval; 2641da177e4SLinus Torvalds 265be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 266f98ca311STaku Izumi __func__, slot_name(slot)); 2671da177e4SLinus Torvalds 2681da177e4SLinus Torvalds retval = slot->hpc_ops->get_latch_status(slot, value); 2691da177e4SLinus Torvalds if (retval < 0) 2701da177e4SLinus Torvalds *value = hotplug_slot->info->latch_status; 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvalds return 0; 2731da177e4SLinus Torvalds } 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value) 2761da177e4SLinus Torvalds { 2778352e04eSKenji Kaneshige struct slot *slot = get_slot(hotplug_slot); 2781da177e4SLinus Torvalds int retval; 2791da177e4SLinus Torvalds 280be7bce25STaku Izumi ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n", 281f98ca311STaku Izumi __func__, slot_name(slot)); 2821da177e4SLinus Torvalds 2831da177e4SLinus Torvalds retval = slot->hpc_ops->get_adapter_status(slot, value); 2841da177e4SLinus Torvalds if (retval < 0) 2851da177e4SLinus Torvalds *value = hotplug_slot->info->adapter_status; 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds return 0; 2881da177e4SLinus Torvalds } 2891da177e4SLinus Torvalds 2901410dc1cSrajesh.shah@intel.com static int is_shpc_capable(struct pci_dev *dev) 2911410dc1cSrajesh.shah@intel.com { 2924cac2eb1SBjorn Helgaas if (dev->vendor == PCI_VENDOR_ID_AMD && 2934cac2eb1SBjorn Helgaas dev->device == PCI_DEVICE_ID_AMD_GOLAM_7450) 2941410dc1cSrajesh.shah@intel.com return 1; 295ac9c052dSKenji Kaneshige if (!pci_find_capability(dev, PCI_CAP_ID_SHPC)) 2961410dc1cSrajesh.shah@intel.com return 0; 297ac9c052dSKenji Kaneshige if (get_hp_hw_control_from_firmware(dev)) 298ac9c052dSKenji Kaneshige return 0; 299ac9c052dSKenji Kaneshige return 1; 3001410dc1cSrajesh.shah@intel.com } 3011410dc1cSrajesh.shah@intel.com 3021da177e4SLinus Torvalds static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 3031da177e4SLinus Torvalds { 3041da177e4SLinus Torvalds int rc; 3051da177e4SLinus Torvalds struct controller *ctrl; 3061da177e4SLinus Torvalds 3071410dc1cSrajesh.shah@intel.com if (!is_shpc_capable(pdev)) 3081410dc1cSrajesh.shah@intel.com return -ENODEV; 3091410dc1cSrajesh.shah@intel.com 31057c95c0dSKenji Kaneshige ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); 3111da177e4SLinus Torvalds if (!ctrl) { 312be7bce25STaku Izumi dev_err(&pdev->dev, "%s: Out of memory\n", __func__); 3131da177e4SLinus Torvalds goto err_out_none; 3141da177e4SLinus Torvalds } 3155b1a960dSKenji Kaneshige INIT_LIST_HEAD(&ctrl->slot_list); 3161da177e4SLinus Torvalds 317ee138334Srajesh.shah@intel.com rc = shpc_init(ctrl, pdev); 3181da177e4SLinus Torvalds if (rc) { 319be7bce25STaku Izumi ctrl_dbg(ctrl, "Controller initialization failed\n"); 3201da177e4SLinus Torvalds goto err_out_free_ctrl; 3211da177e4SLinus Torvalds } 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvalds pci_set_drvdata(pdev, ctrl); 3241da177e4SLinus Torvalds 3251da177e4SLinus Torvalds /* Setup the slot information structures */ 3261da177e4SLinus Torvalds rc = init_slots(ctrl); 3271da177e4SLinus Torvalds if (rc) { 328be7bce25STaku Izumi ctrl_err(ctrl, "Slot initialization failed\n"); 329f7391f53SKenji Kaneshige goto err_out_release_ctlr; 3301da177e4SLinus Torvalds } 3311da177e4SLinus Torvalds 332e1b95dc6SGreg Kroah-Hartman rc = shpchp_create_ctrl_files(ctrl); 333e1b95dc6SGreg Kroah-Hartman if (rc) 334e1b95dc6SGreg Kroah-Hartman goto err_cleanup_slots; 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds return 0; 3371da177e4SLinus Torvalds 338e1b95dc6SGreg Kroah-Hartman err_cleanup_slots: 339e1b95dc6SGreg Kroah-Hartman cleanup_slots(ctrl); 340f7391f53SKenji Kaneshige err_out_release_ctlr: 3411da177e4SLinus Torvalds ctrl->hpc_ops->release_ctlr(ctrl); 3421da177e4SLinus Torvalds err_out_free_ctrl: 3431da177e4SLinus Torvalds kfree(ctrl); 3441da177e4SLinus Torvalds err_out_none: 3451da177e4SLinus Torvalds return -ENODEV; 3461da177e4SLinus Torvalds } 3471da177e4SLinus Torvalds 348e6b82b13SKenji Kaneshige static void shpc_remove(struct pci_dev *dev) 3491da177e4SLinus Torvalds { 350e6b82b13SKenji Kaneshige struct controller *ctrl = pci_get_drvdata(dev); 3511da177e4SLinus Torvalds 352c2608a11Srajesh.shah@intel.com shpchp_remove_ctrl_files(ctrl); 3531da177e4SLinus Torvalds ctrl->hpc_ops->release_ctlr(ctrl); 354a4534560SKenji Kaneshige kfree(ctrl); 3551da177e4SLinus Torvalds } 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds static struct pci_device_id shpcd_pci_tbl[] = { 358dfcd5f68SKenji Kaneshige {PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0)}, 3591da177e4SLinus Torvalds { /* end: all zeroes */ } 3601da177e4SLinus Torvalds }; 3611da177e4SLinus Torvalds MODULE_DEVICE_TABLE(pci, shpcd_pci_tbl); 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds static struct pci_driver shpc_driver = { 3641da177e4SLinus Torvalds .name = SHPC_MODULE_NAME, 3651da177e4SLinus Torvalds .id_table = shpcd_pci_tbl, 3661da177e4SLinus Torvalds .probe = shpc_probe, 367e6b82b13SKenji Kaneshige .remove = shpc_remove, 3681da177e4SLinus Torvalds }; 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds static int __init shpcd_init(void) 3711da177e4SLinus Torvalds { 372f652e7d2SBjorn Helgaas int retval; 373e24dcbefSTejun Heo 3741da177e4SLinus Torvalds retval = pci_register_driver(&shpc_driver); 37566bef8c0SHarvey Harrison dbg("%s: pci_register_driver = %d\n", __func__, retval); 3761da177e4SLinus Torvalds info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); 377f652e7d2SBjorn Helgaas 3781da177e4SLinus Torvalds return retval; 3791da177e4SLinus Torvalds } 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds static void __exit shpcd_cleanup(void) 3821da177e4SLinus Torvalds { 3831da177e4SLinus Torvalds dbg("unload_shpchpd()\n"); 3841da177e4SLinus Torvalds pci_unregister_driver(&shpc_driver); 3851da177e4SLinus Torvalds info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n"); 3861da177e4SLinus Torvalds } 3871da177e4SLinus Torvalds 3881da177e4SLinus Torvalds module_init(shpcd_init); 3891da177e4SLinus Torvalds module_exit(shpcd_cleanup); 390