From aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 Mon Sep 17 00:00:00 2001 From: merge Date: Thu, 22 Jan 2009 13:55:32 +0000 Subject: MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green fix-stray-endmenu.patch Signed-off-by: Andy Green --- drivers/staging/meilhaus/me4600_device.c | 373 +++++++++++++++++++++++++++++++ 1 file changed, 373 insertions(+) create mode 100644 drivers/staging/meilhaus/me4600_device.c (limited to 'drivers/staging/meilhaus/me4600_device.c') diff --git a/drivers/staging/meilhaus/me4600_device.c b/drivers/staging/meilhaus/me4600_device.c new file mode 100644 index 00000000000..fa455844f4e --- /dev/null +++ b/drivers/staging/meilhaus/me4600_device.c @@ -0,0 +1,373 @@ +/** + * @file me4600_device.c + * + * @brief ME-4600 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 + +#include +#include + +#include "meids.h" +#include "meerror.h" +#include "mecommon.h" +#include "meinternal.h" + +#include "medebug.h" +#include "medevice.h" +#include "me4600_device.h" +#include "meplx_reg.h" + +#include "mefirmware.h" + +#include "mesubdevice.h" +#include "me4600_do.h" +#include "me4600_di.h" +#include "me4600_dio.h" +#include "me8254.h" +#include "me4600_ai.h" +#include "me4600_ao.h" +#include "me4600_ext_irq.h" + +/** + * @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 *me4600_workqueue; + +#ifdef BOSCH +me_device_t *me4600_pci_constructor(struct pci_dev *pci_device, int me_bosch_fw) +#else //~BOSCH +me_device_t *me4600_pci_constructor(struct pci_dev *pci_device) +#endif //BOSCH +{ + me4600_device_t *me4600_device; + me_subdevice_t *subdevice; + unsigned int version_idx; + int err; + int i; + + PDEBUG("executed.\n"); + + // Allocate structure for device instance. + me4600_device = kmalloc(sizeof(me4600_device_t), GFP_KERNEL); + + if (!me4600_device) { + PERROR("Cannot get memory for ME-4600 device instance.\n"); + return NULL; + } + + memset(me4600_device, 0, sizeof(me4600_device_t)); + + // Initialize base class structure. + err = me_device_pci_init((me_device_t *) me4600_device, pci_device); + + if (err) { + kfree(me4600_device); + PERROR("Cannot initialize device base class.\n"); + return NULL; + } + // Download the xilinx firmware. + if (me4600_device->base.info.pci.device_id == PCI_DEVICE_ID_MEILHAUS_ME4610) { //Jekyll <=> me4610 + err = + me_xilinx_download(me4600_device->base.info.pci. + reg_bases[1], + me4600_device->base.info.pci. + reg_bases[5], &pci_device->dev, + "me4610.bin"); + } else { // General me4600 firmware +#ifdef BOSCH + err = + me_xilinx_download(me4600_device->base.info.pci. + reg_bases[1], + me4600_device->base.info.pci. + reg_bases[5], &pci_device->dev, + (me_bosch_fw) ? "me4600_bosch.bin" : + "me4600.bin"); +#else //~BOSCH + err = + me_xilinx_download(me4600_device->base.info.pci. + reg_bases[1], + me4600_device->base.info.pci. + reg_bases[5], &pci_device->dev, + "me4600.bin"); +#endif + } + + if (err) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot download firmware.\n"); + return NULL; + } + // Get the index in the device version information table. + version_idx = + me4600_versions_get_device_index(me4600_device->base.info.pci. + device_id); + + // Initialize spin locks. + spin_lock_init(&me4600_device->preload_reg_lock); + + me4600_device->preload_flags = 0; + + spin_lock_init(&me4600_device->dio_lock); + spin_lock_init(&me4600_device->ai_ctrl_lock); + spin_lock_init(&me4600_device->ctr_ctrl_reg_lock); + spin_lock_init(&me4600_device->ctr_clk_src_reg_lock); + + // Create digital input instances. + for (i = 0; i < me4600_versions[version_idx].di_subdevices; i++) { + subdevice = + (me_subdevice_t *) me4600_di_constructor(me4600_device-> + base.info.pci. + reg_bases[2], + &me4600_device-> + dio_lock); + + if (!subdevice) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot get memory for subdevice.\n"); + return NULL; + } + + me_slist_add_subdevice_tail(&me4600_device->base.slist, + subdevice); + } + + // Create digital output instances. + for (i = 0; i < me4600_versions[version_idx].do_subdevices; i++) { + subdevice = + (me_subdevice_t *) me4600_do_constructor(me4600_device-> + base.info.pci. + reg_bases[2], + &me4600_device-> + dio_lock); + + if (!subdevice) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot get memory for subdevice.\n"); + return NULL; + } + + me_slist_add_subdevice_tail(&me4600_device->base.slist, + subdevice); + } + + // Create digital input/output instances. + for (i = 0; i < me4600_versions[version_idx].dio_subdevices; i++) { + subdevice = + (me_subdevice_t *) me4600_dio_constructor(me4600_device-> + base.info.pci. + reg_bases[2], + me4600_versions + [version_idx]. + do_subdevices + + me4600_versions + [version_idx]. + di_subdevices + i, + &me4600_device-> + dio_lock); + + if (!subdevice) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot get memory for subdevice.\n"); + return NULL; + } + + me_slist_add_subdevice_tail(&me4600_device->base.slist, + subdevice); + } + + // Create analog input instances. + for (i = 0; i < me4600_versions[version_idx].ai_subdevices; i++) { + subdevice = + (me_subdevice_t *) me4600_ai_constructor(me4600_device-> + base.info.pci. + reg_bases[2], + me4600_versions + [version_idx]. + ai_channels, + me4600_versions + [version_idx]. + ai_ranges, + me4600_versions + [version_idx]. + ai_isolated, + me4600_versions + [version_idx]. + ai_sh, + me4600_device-> + base.irq, + &me4600_device-> + ai_ctrl_lock, + me4600_workqueue); + + if (!subdevice) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot get memory for subdevice.\n"); + return NULL; + } + + me_slist_add_subdevice_tail(&me4600_device->base.slist, + subdevice); + } + + // Create analog output instances. + for (i = 0; i < me4600_versions[version_idx].ao_subdevices; i++) { +#ifdef BOSCH + subdevice = + (me_subdevice_t *) me4600_ao_constructor(me4600_device-> + base.info.pci. + reg_bases[2], + &me4600_device-> + preload_reg_lock, + &me4600_device-> + preload_flags, i, + me4600_versions + [version_idx]. + ao_fifo, + me4600_device-> + base.irq); +#else //~BOSCH + subdevice = + (me_subdevice_t *) me4600_ao_constructor(me4600_device-> + base.info.pci. + reg_bases[2], + &me4600_device-> + preload_reg_lock, + &me4600_device-> + preload_flags, i, + me4600_versions + [version_idx]. + ao_fifo, + me4600_device-> + base.irq, + me4600_workqueue); +#endif + + if (!subdevice) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot get memory for subdevice.\n"); + return NULL; + } + + me_slist_add_subdevice_tail(&me4600_device->base.slist, + subdevice); + } + + // Create counter instances. + for (i = 0; i < me4600_versions[version_idx].ctr_subdevices; i++) { + subdevice = + (me_subdevice_t *) me8254_constructor(me4600_device->base. + info.pci.device_id, + me4600_device->base. + info.pci.reg_bases[3], + 0, i, + &me4600_device-> + ctr_ctrl_reg_lock, + &me4600_device-> + ctr_clk_src_reg_lock); + + if (!subdevice) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot get memory for subdevice.\n"); + return NULL; + } + + me_slist_add_subdevice_tail(&me4600_device->base.slist, + subdevice); + } + + // Create external interrupt instances. + for (i = 0; i < me4600_versions[version_idx].ext_irq_subdevices; i++) { + subdevice = + (me_subdevice_t *) + me4600_ext_irq_constructor(me4600_device->base.info.pci. + reg_bases[2], + me4600_device->base.irq, + &me4600_device->ai_ctrl_lock); + + if (!subdevice) { + me_device_deinit((me_device_t *) me4600_device); + kfree(me4600_device); + PERROR("Cannot get memory for subdevice.\n"); + return NULL; + } + + me_slist_add_subdevice_tail(&me4600_device->base.slist, + subdevice); + } + + return (me_device_t *) me4600_device; +} + +// Init and exit of module. + +static int __init me4600_init(void) +{ + PDEBUG("executed.\n"); + +#ifndef BOSCH + me4600_workqueue = create_singlethread_workqueue("me4600"); +#endif + return 0; +} + +static void __exit me4600_exit(void) +{ + PDEBUG("executed.\n"); + +#ifndef BOSCH + flush_workqueue(me4600_workqueue); + destroy_workqueue(me4600_workqueue); +#endif +} + +module_init(me4600_init); +module_exit(me4600_exit); + +// Administrative stuff for modinfo. +MODULE_AUTHOR + ("Guenter Gebhardt & Krzysztof Gantzke "); +MODULE_DESCRIPTION("Device Driver Module for ME-46xx Devices"); +MODULE_SUPPORTED_DEVICE("Meilhaus ME-46xx Devices"); +MODULE_LICENSE("GPL"); + +// Export the constructor. +EXPORT_SYMBOL(me4600_pci_constructor); -- cgit v1.2.3