| 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
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| 2 | /* |
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| 3 | * comedi/drivers/amplc_dio.h |
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| 4 | * |
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| 5 | * Header for amplc_dio200.c, amplc_dio200_common.c and |
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| 6 | * amplc_dio200_pci.c. |
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| 7 | * |
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| 8 | * Copyright (C) 2005-2013 MEV Ltd. <https://www.mev.co.uk/> |
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| 9 | * |
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| 10 | * COMEDI - Linux Control and Measurement Device Interface |
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| 11 | * Copyright (C) 1998,2000 David A. Schleef <ds@schleef.org> |
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| 12 | */ |
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| 13 | |
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| 14 | #ifndef AMPLC_DIO200_H_INCLUDED |
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| 15 | #define AMPLC_DIO200_H_INCLUDED |
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| 16 | |
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| 17 | #include <linux/types.h> |
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| 18 | |
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| 19 | struct comedi_device; |
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| 20 | |
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| 21 | /* |
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| 22 | * Subdevice types. |
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| 23 | */ |
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| 24 | enum dio200_sdtype { sd_none, sd_intr, sd_8255, sd_8254, sd_timer }; |
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| 25 | |
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| 26 | #define DIO200_MAX_SUBDEVS 8 |
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| 27 | #define DIO200_MAX_ISNS 6 |
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| 28 | |
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| 29 | struct dio200_board { |
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| 30 | const char *name; |
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| 31 | unsigned char mainbar; |
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| 32 | unsigned short n_subdevs; /* number of subdevices */ |
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| 33 | unsigned char sdtype[DIO200_MAX_SUBDEVS]; /* enum dio200_sdtype */ |
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| 34 | unsigned char sdinfo[DIO200_MAX_SUBDEVS]; /* depends on sdtype */ |
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| 35 | unsigned int has_int_sce:1; /* has interrupt enable/status reg */ |
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| 36 | unsigned int has_clk_gat_sce:1; /* has clock/gate selection registers */ |
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| 37 | unsigned int is_pcie:1; /* has enhanced features */ |
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| 38 | }; |
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| 39 | |
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| 40 | int amplc_dio200_common_attach(struct comedi_device *dev, unsigned int irq, |
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| 41 | unsigned long req_irq_flags); |
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| 42 | |
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| 43 | /* Used by initialization of PCIe boards. */ |
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| 44 | void amplc_dio200_set_enhance(struct comedi_device *dev, unsigned char val); |
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| 45 | |
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| 46 | #endif |
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| 47 | |
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