| /** |
| * @file me1600_device.h |
| * |
| * @brief ME-1600 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 _ME1600_H |
| #define _ME1600_H |
| |
| #include <linux/pci.h> |
| #include <linux/spinlock.h> |
| |
| #include "medevice.h" |
| #include "me1600_ao.h" |
| #include "me1600_ao_reg.h" |
| |
| #ifdef __KERNEL__ |
| |
| /** |
| * @brief Structure to store device capabilities. |
| */ |
| typedef struct me1600_version { |
| uint16_t device_id; /**< The PCI device id of the device. */ |
| unsigned int ao_chips; /**< The number of analog outputs on the device. */ |
| int curr; /**< Flag to identify amounts of current output. */ |
| } me1600_version_t; |
| |
| /** |
| * @brief Defines for each ME-1600 device version its capabilities. |
| */ |
| static me1600_version_t me1600_versions[] = { |
| {PCI_DEVICE_ID_MEILHAUS_ME1600_4U, 4, 0}, |
| {PCI_DEVICE_ID_MEILHAUS_ME1600_8U, 8, 0}, |
| {PCI_DEVICE_ID_MEILHAUS_ME1600_12U, 12, 0}, |
| {PCI_DEVICE_ID_MEILHAUS_ME1600_16U, 16, 0}, |
| {PCI_DEVICE_ID_MEILHAUS_ME1600_16U_8I, 16, 8}, |
| {0} |
| }; |
| |
| /**< Returns the number of entries in #me1600_versions. */ |
| #define ME1600_DEVICE_VERSIONS (sizeof(me1600_versions) / sizeof(me1600_version_t) - 1) |
| |
| /** |
| * @brief Returns the index of the device entry in #me1600_versions. |
| * |
| * @param device_id The PCI device id of the device to query. |
| * @return The index of the device in #me1600_versions. |
| */ |
| static inline unsigned int me1600_versions_get_device_index(uint16_t device_id) |
| { |
| unsigned int i; |
| for (i = 0; i < ME1600_DEVICE_VERSIONS; i++) |
| if (me1600_versions[i].device_id == device_id) |
| break; |
| return i; |
| } |
| |
| /** |
| * @brief The ME-1600 device class structure. |
| */ |
| typedef struct me1600_device { |
| me_device_t base; /**< The Meilhaus device base class. */ |
| spinlock_t config_regs_lock; /**< Protects the configuration registers. */ |
| |
| me1600_ao_shadow_t ao_regs_shadows; /**< Addresses and shadows of output's registers. */ |
| spinlock_t ao_shadows_lock; /**< Protects the shadow's struct. */ |
| } me1600_device_t; |
| |
| /** |
| * @brief The ME-1600 device class constructor. |
| * |
| * @param pci_device The pci device structure given by the PCI subsystem. |
| * |
| * @return On succes a new ME-1600 device instance. \n |
| * NULL on error. |
| */ |
| me_device_t *me1600_pci_constructor(struct pci_dev *pci_device) |
| __attribute__ ((weak)); |
| |
| #endif |
| #endif |