diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/misc/ibmasm/module.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/misc/ibmasm/module.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/ANDROID_3.4.5/drivers/misc/ibmasm/module.c b/ANDROID_3.4.5/drivers/misc/ibmasm/module.c deleted file mode 100644 index 168d8008..00000000 --- a/ANDROID_3.4.5/drivers/misc/ibmasm/module.c +++ /dev/null @@ -1,237 +0,0 @@ - -/* - * IBM ASM Service Processor Device Driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2004 - * - * Author: Max Asböck <amax@us.ibm.com> - * - * This driver is based on code originally written by Pete Reynolds - * and others. - * - */ - -/* - * The ASM device driver does the following things: - * - * 1) When loaded it sends a message to the service processor, - * indicating that an OS is * running. This causes the service processor - * to send periodic heartbeats to the OS. - * - * 2) Answers the periodic heartbeats sent by the service processor. - * Failure to do so would result in system reboot. - * - * 3) Acts as a pass through for dot commands sent from user applications. - * The interface for this is the ibmasmfs file system. - * - * 4) Allows user applications to register for event notification. Events - * are sent to the driver through interrupts. They can be read from user - * space through the ibmasmfs file system. - * - * 5) Allows user space applications to send heartbeats to the service - * processor (aka reverse heartbeats). Again this happens through ibmasmfs. - * - * 6) Handles remote mouse and keyboard event interrupts and makes them - * available to user applications through ibmasmfs. - * - */ - -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/slab.h> -#include "ibmasm.h" -#include "lowlevel.h" -#include "remote.h" - -int ibmasm_debug = 0; -module_param(ibmasm_debug, int , S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(ibmasm_debug, " Set debug mode on or off"); - - -static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id) -{ - int result; - struct service_processor *sp; - - if ((result = pci_enable_device(pdev))) { - dev_err(&pdev->dev, "Failed to enable PCI device\n"); - return result; - } - if ((result = pci_request_regions(pdev, DRIVER_NAME))) { - dev_err(&pdev->dev, "Failed to allocate PCI resources\n"); - goto error_resources; - } - /* vnc client won't work without bus-mastering */ - pci_set_master(pdev); - - sp = kzalloc(sizeof(struct service_processor), GFP_KERNEL); - if (sp == NULL) { - dev_err(&pdev->dev, "Failed to allocate memory\n"); - result = -ENOMEM; - goto error_kmalloc; - } - - spin_lock_init(&sp->lock); - INIT_LIST_HEAD(&sp->command_queue); - - pci_set_drvdata(pdev, (void *)sp); - sp->dev = &pdev->dev; - sp->number = pdev->bus->number; - snprintf(sp->dirname, IBMASM_NAME_SIZE, "%d", sp->number); - snprintf(sp->devname, IBMASM_NAME_SIZE, "%s%d", DRIVER_NAME, sp->number); - - if (ibmasm_event_buffer_init(sp)) { - dev_err(sp->dev, "Failed to allocate event buffer\n"); - goto error_eventbuffer; - } - - if (ibmasm_heartbeat_init(sp)) { - dev_err(sp->dev, "Failed to allocate heartbeat command\n"); - goto error_heartbeat; - } - - sp->irq = pdev->irq; - sp->base_address = pci_ioremap_bar(pdev, 0); - if (!sp->base_address) { - dev_err(sp->dev, "Failed to ioremap pci memory\n"); - result = -ENODEV; - goto error_ioremap; - } - - result = request_irq(sp->irq, ibmasm_interrupt_handler, IRQF_SHARED, sp->devname, (void*)sp); - if (result) { - dev_err(sp->dev, "Failed to register interrupt handler\n"); - goto error_request_irq; - } - - enable_sp_interrupts(sp->base_address); - - result = ibmasm_init_remote_input_dev(sp); - if (result) { - dev_err(sp->dev, "Failed to initialize remote queue\n"); - goto error_send_message; - } - - result = ibmasm_send_driver_vpd(sp); - if (result) { - dev_err(sp->dev, "Failed to send driver VPD to service processor\n"); - goto error_send_message; - } - result = ibmasm_send_os_state(sp, SYSTEM_STATE_OS_UP); - if (result) { - dev_err(sp->dev, "Failed to send OS state to service processor\n"); - goto error_send_message; - } - ibmasmfs_add_sp(sp); - - ibmasm_register_uart(sp); - - return 0; - -error_send_message: - disable_sp_interrupts(sp->base_address); - ibmasm_free_remote_input_dev(sp); - free_irq(sp->irq, (void *)sp); -error_request_irq: - iounmap(sp->base_address); -error_ioremap: - ibmasm_heartbeat_exit(sp); -error_heartbeat: - ibmasm_event_buffer_exit(sp); -error_eventbuffer: - pci_set_drvdata(pdev, NULL); - kfree(sp); -error_kmalloc: - pci_release_regions(pdev); -error_resources: - pci_disable_device(pdev); - - return result; -} - -static void __devexit ibmasm_remove_one(struct pci_dev *pdev) -{ - struct service_processor *sp = (struct service_processor *)pci_get_drvdata(pdev); - - dbg("Unregistering UART\n"); - ibmasm_unregister_uart(sp); - dbg("Sending OS down message\n"); - if (ibmasm_send_os_state(sp, SYSTEM_STATE_OS_DOWN)) - err("failed to get repsonse to 'Send OS State' command\n"); - dbg("Disabling heartbeats\n"); - ibmasm_heartbeat_exit(sp); - dbg("Disabling interrupts\n"); - disable_sp_interrupts(sp->base_address); - dbg("Freeing SP irq\n"); - free_irq(sp->irq, (void *)sp); - dbg("Cleaning up\n"); - ibmasm_free_remote_input_dev(sp); - iounmap(sp->base_address); - ibmasm_event_buffer_exit(sp); - pci_set_drvdata(pdev, NULL); - kfree(sp); - pci_release_regions(pdev); - pci_disable_device(pdev); -} - -static struct pci_device_id ibmasm_pci_table[] = -{ - { PCI_DEVICE(VENDORID_IBM, DEVICEID_RSA) }, - {}, -}; - -static struct pci_driver ibmasm_driver = { - .name = DRIVER_NAME, - .id_table = ibmasm_pci_table, - .probe = ibmasm_init_one, - .remove = __devexit_p(ibmasm_remove_one), -}; - -static void __exit ibmasm_exit (void) -{ - ibmasm_unregister_panic_notifier(); - ibmasmfs_unregister(); - pci_unregister_driver(&ibmasm_driver); - info(DRIVER_DESC " version " DRIVER_VERSION " unloaded"); -} - -static int __init ibmasm_init(void) -{ - int result = pci_register_driver(&ibmasm_driver); - if (result) - return result; - - result = ibmasmfs_register(); - if (result) { - pci_unregister_driver(&ibmasm_driver); - err("Failed to register ibmasmfs file system"); - return result; - } - - ibmasm_register_panic_notifier(); - info(DRIVER_DESC " version " DRIVER_VERSION " loaded"); - return 0; -} - -module_init(ibmasm_init); -module_exit(ibmasm_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(pci, ibmasm_pci_table); - |