diff options
Diffstat (limited to 'drivers/staging/meilhaus/me1600_device.c')
| -rw-r--r-- | drivers/staging/meilhaus/me1600_device.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/drivers/staging/meilhaus/me1600_device.c b/drivers/staging/meilhaus/me1600_device.c deleted file mode 100644 index c244e984049e..000000000000 --- a/drivers/staging/meilhaus/me1600_device.c +++ /dev/null @@ -1,259 +0,0 @@ -/** - * @file me1600_device.c - * - * @brief ME-1600 device class implementation. - * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * @author Guenter Gebhardt - * @author Krzysztof Gantzke (k.gantzke@meilhaus.de) - */ - -/* - * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) - * - * This file 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __KERNEL__ -# define __KERNEL__ -#endif - -#ifndef MODULE -# define MODULE -#endif - -#include <linux/module.h> - -#include <linux/pci.h> -#include <linux/slab.h> - -#include "meids.h" -#include "meerror.h" -#include "mecommon.h" -#include "meinternal.h" - -#include "medebug.h" -#include "medevice.h" -#include "mesubdevice.h" -#include "me1600_device.h" - -static void me1600_set_registry(me1600_device_t *subdevice, uint32_t reg_base); -static void me1600_destructor(struct me_device *device); - -/** - * @brief Global variable. - * This is working queue for runing a separate atask that will be responsible for work status (start, stop, timeouts). - */ -static struct workqueue_struct *me1600_workqueue; - -me_device_t *me1600_pci_constructor(struct pci_dev *pci_device) -{ - int err; - me1600_device_t *me1600_device; - me_subdevice_t *subdevice; - unsigned int chip_idx; - int i; - - PDEBUG("executed.\n"); - - // Allocate structure for device instance. - me1600_device = kmalloc(sizeof(me1600_device_t), GFP_KERNEL); - - if (!me1600_device) { - PERROR("Cannot get memory for device instance.\n"); - return NULL; - } - - memset(me1600_device, 0, sizeof(me1600_device_t)); - - // Initialize base class structure. - err = me_device_pci_init((me_device_t *) me1600_device, pci_device); - - if (err) { - kfree(me1600_device); - PERROR("Cannot initialize device base class.\n"); - return NULL; - } - // Initialize spin lock . - spin_lock_init(&me1600_device->config_regs_lock); - spin_lock_init(&me1600_device->ao_shadows_lock); - - // Get the number of analog output subdevices. - chip_idx = - me1600_versions_get_device_index(me1600_device->base.info.pci. - device_id); - - // Create shadow instance. - me1600_device->ao_regs_shadows.count = - me1600_versions[chip_idx].ao_chips; - me1600_device->ao_regs_shadows.registry = - kmalloc(me1600_versions[chip_idx].ao_chips * sizeof(unsigned long), - GFP_KERNEL); - me1600_set_registry(me1600_device, - me1600_device->base.info.pci.reg_bases[2]); - me1600_device->ao_regs_shadows.shadow = - kmalloc(me1600_versions[chip_idx].ao_chips * sizeof(uint16_t), - GFP_KERNEL); - me1600_device->ao_regs_shadows.mirror = - kmalloc(me1600_versions[chip_idx].ao_chips * sizeof(uint16_t), - GFP_KERNEL); - - // Create subdevice instances. - for (i = 0; i < me1600_versions[chip_idx].ao_chips; i++) { - subdevice = - (me_subdevice_t *) me1600_ao_constructor(me1600_device-> - base.info.pci. - reg_bases[2], i, - ((me1600_versions - [chip_idx].curr > - i) ? 1 : 0), - &me1600_device-> - config_regs_lock, - &me1600_device-> - ao_shadows_lock, - &me1600_device-> - ao_regs_shadows, - me1600_workqueue); - - if (!subdevice) { - me_device_deinit((me_device_t *) me1600_device); - kfree(me1600_device); - PERROR("Cannot get memory for subdevice.\n"); - return NULL; - } - - me_slist_add_subdevice_tail(&me1600_device->base.slist, - subdevice); - } - - // Overwrite base class methods. - me1600_device->base.me_device_destructor = me1600_destructor; - - return (me_device_t *) me1600_device; -} -EXPORT_SYMBOL(me1600_pci_constructor); - -static void me1600_destructor(struct me_device *device) -{ - me1600_device_t *me1600_device = (me1600_device_t *) device; - PDEBUG("executed.\n"); - - // Destroy shadow instance. - kfree(me1600_device->ao_regs_shadows.registry); - kfree(me1600_device->ao_regs_shadows.shadow); - kfree(me1600_device->ao_regs_shadows.mirror); - - me_device_deinit((me_device_t *) me1600_device); - kfree(me1600_device); -} - -static void me1600_set_registry(me1600_device_t *subdevice, uint32_t reg_base) -{ // Create shadow structure. - if (subdevice->ao_regs_shadows.count >= 1) { - subdevice->ao_regs_shadows.registry[0] = - (unsigned long)(reg_base + ME1600_CHANNEL_0_REG); - } - if (subdevice->ao_regs_shadows.count >= 2) { - subdevice->ao_regs_shadows.registry[1] = - (unsigned long)(reg_base + ME1600_CHANNEL_1_REG); - } - if (subdevice->ao_regs_shadows.count >= 3) { - subdevice->ao_regs_shadows.registry[2] = - (unsigned long)(reg_base + ME1600_CHANNEL_2_REG); - } - if (subdevice->ao_regs_shadows.count >= 4) { - subdevice->ao_regs_shadows.registry[3] = - (unsigned long)(reg_base + ME1600_CHANNEL_3_REG); - } - if (subdevice->ao_regs_shadows.count >= 5) { - subdevice->ao_regs_shadows.registry[4] = - (unsigned long)(reg_base + ME1600_CHANNEL_4_REG); - } - if (subdevice->ao_regs_shadows.count >= 6) { - subdevice->ao_regs_shadows.registry[5] = - (unsigned long)(reg_base + ME1600_CHANNEL_5_REG); - } - if (subdevice->ao_regs_shadows.count >= 7) { - subdevice->ao_regs_shadows.registry[6] = - (unsigned long)(reg_base + ME1600_CHANNEL_6_REG); - } - if (subdevice->ao_regs_shadows.count >= 8) { - subdevice->ao_regs_shadows.registry[7] = - (unsigned long)(reg_base + ME1600_CHANNEL_7_REG); - } - if (subdevice->ao_regs_shadows.count >= 9) { - subdevice->ao_regs_shadows.registry[8] = - (unsigned long)(reg_base + ME1600_CHANNEL_8_REG); - } - if (subdevice->ao_regs_shadows.count >= 10) { - subdevice->ao_regs_shadows.registry[9] = - (unsigned long)(reg_base + ME1600_CHANNEL_9_REG); - } - if (subdevice->ao_regs_shadows.count >= 11) { - subdevice->ao_regs_shadows.registry[10] = - (unsigned long)(reg_base + ME1600_CHANNEL_10_REG); - } - if (subdevice->ao_regs_shadows.count >= 12) { - subdevice->ao_regs_shadows.registry[11] = - (unsigned long)(reg_base + ME1600_CHANNEL_11_REG); - } - if (subdevice->ao_regs_shadows.count >= 13) { - subdevice->ao_regs_shadows.registry[12] = - (unsigned long)(reg_base + ME1600_CHANNEL_12_REG); - } - if (subdevice->ao_regs_shadows.count >= 14) { - subdevice->ao_regs_shadows.registry[13] = - (unsigned long)(reg_base + ME1600_CHANNEL_13_REG); - } - if (subdevice->ao_regs_shadows.count >= 15) { - subdevice->ao_regs_shadows.registry[14] = - (unsigned long)(reg_base + ME1600_CHANNEL_14_REG); - } - if (subdevice->ao_regs_shadows.count >= 16) { - subdevice->ao_regs_shadows.registry[15] = - (unsigned long)(reg_base + ME1600_CHANNEL_15_REG); - } - if (subdevice->ao_regs_shadows.count > 16) { - PERROR("More than 16 outputs! (%d)\n", - subdevice->ao_regs_shadows.count); - } -} - -// Init and exit of module. - -static int __init me1600_init(void) -{ - PDEBUG("executed\n."); - - me1600_workqueue = create_singlethread_workqueue("me1600"); - return 0; -} - -static void __exit me1600_exit(void) -{ - PDEBUG("executed\n."); - - flush_workqueue(me1600_workqueue); - destroy_workqueue(me1600_workqueue); -} - -module_init(me1600_init); -module_exit(me1600_exit); - -// Administrative stuff for modinfo. -MODULE_AUTHOR - ("Guenter Gebhardt <g.gebhardt@meilhaus.de> & Krzysztof Gantzke <k.gantzke@meilhaus.de>"); -MODULE_DESCRIPTION("Device Driver Module for ME-1600 Device"); -MODULE_SUPPORTED_DEVICE("Meilhaus ME-1600 Devices"); -MODULE_LICENSE("GPL"); |