| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * comedi/drivers/ni_routing/ni_route_values.h |
| * Route information for NI boards. |
| * |
| * COMEDI - Linux Control and Measurement Device Interface |
| * Copyright (C) 2016 Spencer E. Olson <olsonse@umich.edu> |
| * |
| * 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. |
| */ |
| |
| #ifndef _COMEDI_DRIVERS_NI_ROUTINT_NI_ROUTE_VALUES_H |
| #define _COMEDI_DRIVERS_NI_ROUTINT_NI_ROUTE_VALUES_H |
| |
| #include "../../comedi.h" |
| #include <linux/types.h> |
| |
| /* |
| * This file includes the tables that are a list of all the values of various |
| * signals routes available on NI hardware. In many cases, one does not |
| * explicitly make these routes, rather one might indicate that something is |
| * used as the source of one particular trigger or another (using |
| * *_src=TRIG_EXT). |
| * |
| * This file is meant to be included by comedi/drivers/ni_routes.c |
| */ |
| |
| #define B(x) ((x) - NI_NAMES_BASE) |
| |
| /** Marks a register value as valid, implemented, and tested. */ |
| #define V(x) (((x) & 0x7f) | 0x80) |
| |
| #ifndef NI_ROUTE_VALUE_EXTERNAL_CONVERSION |
| /** Marks a register value as implemented but needing testing. */ |
| #define I(x) V(x) |
| /** Marks a register value as not implemented. */ |
| #define U(x) 0x0 |
| |
| typedef u8 register_type; |
| #else |
| /** Marks a register value as implemented but needing testing. */ |
| #define I(x) (((x) & 0x7f) | 0x100) |
| /** Marks a register value as not implemented. */ |
| #define U(x) (((x) & 0x7f) | 0x200) |
| |
| /** Tests whether a register is marked as valid/implemented/tested */ |
| #define MARKED_V(x) (((x) & 0x80) != 0) |
| /** Tests whether a register is implemented but not tested */ |
| #define MARKED_I(x) (((x) & 0x100) != 0) |
| /** Tests whether a register is not implemented */ |
| #define MARKED_U(x) (((x) & 0x200) != 0) |
| |
| /* need more space to store extra marks */ |
| typedef u16 register_type; |
| #endif |
| |
| /* Mask out the marking bit(s). */ |
| #define UNMARK(x) ((x) & 0x7f) |
| |
| /* |
| * Gi_SRC(x,1) implements Gi_Src_SubSelect = 1 |
| * |
| * This appears to only really be a valid MUX for m-series devices. |
| */ |
| #define Gi_SRC(val, subsel) ((val) | ((subsel) << 6)) |
| |
| /** |
| * struct family_route_values - Register values for all routes for a particular |
| * family. |
| * @family: lower-case string representation of a specific series or family of |
| * devices from National Instruments where each member of this family |
| * shares the same register values for the various signal MUXes. It |
| * should be noted that not all devices of any family have access to |
| * all routes defined. |
| * @register_values: Table of all register values for various signal MUXes on |
| * National Instruments devices. The first index of this table is the |
| * signal destination (i.e. identification of the signal MUX). The |
| * second index of this table is the signal source (i.e. input of the |
| * signal MUX). |
| */ |
| struct family_route_values { |
| const char *family; |
| const register_type register_values[NI_NUM_NAMES][NI_NUM_NAMES]; |
| |
| }; |
| |
| extern const struct family_route_values *const ni_all_route_values[]; |
| |
| #endif /* _COMEDI_DRIVERS_NI_ROUTINT_NI_ROUTE_VALUES_H */ |