| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * dst-bt878.h: part of the DST driver for the TwinHan DST Frontend |
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| 4 | * |
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| 5 | * Copyright (C) 2003 Jamie Honan |
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| 6 | */ |
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| 7 | |
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| 8 | struct dst_gpio_enable { |
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| 9 | u32 mask; |
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| 10 | u32 enable; |
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| 11 | }; |
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| 12 | |
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| 13 | struct dst_gpio_output { |
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| 14 | u32 mask; |
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| 15 | u32 highvals; |
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| 16 | }; |
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| 17 | |
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| 18 | struct dst_gpio_read { |
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| 19 | unsigned long value; |
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| 20 | }; |
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| 21 | |
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| 22 | union dst_gpio_packet { |
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| 23 | struct dst_gpio_enable enb; |
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| 24 | struct dst_gpio_output outp; |
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| 25 | struct dst_gpio_read rd; |
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| 26 | int psize; |
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| 27 | }; |
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| 28 | |
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| 29 | #define DST_IG_ENABLE 0 |
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| 30 | #define DST_IG_WRITE 1 |
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| 31 | #define DST_IG_READ 2 |
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| 32 | #define DST_IG_TS 3 |
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| 33 | |
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| 34 | struct bt878; |
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| 35 | |
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| 36 | int bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *mp); |
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| 37 | |
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