| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2021-2022 Digiteq Automotive |
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| 4 | * author: Martin Tuma <martin.tuma@digiteqautomotive.com> |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef __MGB4_IO_H__ |
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| 8 | #define __MGB4_IO_H__ |
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| 9 | |
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| 10 | #include <media/v4l2-dev.h> |
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| 11 | |
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| 12 | #define MGB4_DEFAULT_WIDTH 1280 |
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| 13 | #define MGB4_DEFAULT_HEIGHT 640 |
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| 14 | #define MGB4_DEFAULT_PERIOD (125000000 / 60) |
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| 15 | |
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| 16 | /* Register access error indication */ |
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| 17 | #define MGB4_ERR_NO_REG 0xFFFFFFFE |
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| 18 | /* Frame buffer addresses greater than 0xFFFFFFFA indicate HW errors */ |
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| 19 | #define MGB4_ERR_QUEUE_TIMEOUT 0xFFFFFFFD |
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| 20 | #define MGB4_ERR_QUEUE_EMPTY 0xFFFFFFFC |
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| 21 | #define MGB4_ERR_QUEUE_FULL 0xFFFFFFFB |
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| 22 | |
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| 23 | struct mgb4_frame_buffer { |
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| 24 | struct vb2_v4l2_buffer vb; |
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| 25 | struct list_head list; |
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| 26 | }; |
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| 27 | |
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| 28 | static inline struct mgb4_frame_buffer *to_frame_buffer(struct vb2_v4l2_buffer *vbuf) |
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| 29 | { |
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| 30 | return container_of(vbuf, struct mgb4_frame_buffer, vb); |
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| 31 | } |
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| 32 | |
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| 33 | #endif |
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| 34 | |
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