/** * @file me8200_device.h * * @brief ME-8200 device class. * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) * @author Guenter Gebhardt */ /* * 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 _ME8200_DEVICE_H #define _ME8200_DEVICE_H #include #include #include "medevice.h" #ifdef __KERNEL__ /** * @brief Structure holding ME-8200 device capabilities. */ typedef struct me8200_version { uint16_t device_id; unsigned int di_subdevices; unsigned int do_subdevices; unsigned int dio_subdevices; } me8200_version_t; /** * @brief Device capabilities. */ static me8200_version_t me8200_versions[] = { {PCI_DEVICE_ID_MEILHAUS_ME8200_A, 1, 1, 2}, {PCI_DEVICE_ID_MEILHAUS_ME8200_B, 2, 2, 2}, {0}, }; #define ME8200_DEVICE_VERSIONS (sizeof(me8200_versions) / sizeof(me8200_version_t) - 1) /**< Returns the number of entries in #me8200_versions. */ /** * @brief Returns the index of the device entry in #me8200_versions. * * @param device_id The PCI device id of the device to query. * @return The index of the device in #me8200_versions. */ static inline unsigned int me8200_versions_get_device_index(uint16_t device_id) { unsigned int i; for (i = 0; i < ME8200_DEVICE_VERSIONS; i++) if (me8200_versions[i].device_id == device_id) break; return i; } /** * @brief The ME-8200 device class structure. */ typedef struct me8200_device { me_device_t base; /**< The Meilhaus device base class. */ /* Child class attributes. */ spinlock_t irq_ctrl_lock; /**< Lock for the interrupt control register. */ spinlock_t irq_mode_lock; /**< Lock for the interrupt mode register. */ spinlock_t dio_ctrl_lock; /**< Lock for the digital i/o control register. */ } me8200_device_t; /** * @brief The ME-8200 device class constructor. * * @param pci_device The pci device structure given by the PCI subsystem. * * @return On succes a new ME-8200 device instance. \n * NULL on error. */ me_device_t *me8200_pci_constructor(struct pci_dev *pci_device) __attribute__ ((weak)); #endif #endif