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| 24 | #ifndef DRM_PLANE_HELPER_H |
24 | #ifndef DRM_PLANE_HELPER_H |
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| 25 | #define DRM_PLANE_HELPER_H |
25 | #define DRM_PLANE_HELPER_H |
| - | 26 | ||
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| 26 | 27 | #include |
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| 27 | #include |
28 | #include |
| 28 | 29 | ||
| 29 | /* |
30 | /* |
| Line 40... | Line 41... | ||
| 40 | * |
41 | * |
| 41 | * Helper functions to assist with creation and handling of CRTC primary |
42 | * Helper functions to assist with creation and handling of CRTC primary |
| 42 | * planes. |
43 | * planes. |
| 43 | */ |
44 | */ |
| Line -... | Line 45... | ||
| - | 45 | ||
| - | 46 | extern int drm_crtc_init(struct drm_device *dev, |
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| - | 47 | struct drm_crtc *crtc, |
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| - | 48 | const struct drm_crtc_funcs *funcs); |
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| - | 49 | ||
| - | 50 | /** |
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| - | 51 | * drm_plane_helper_funcs - helper operations for CRTCs |
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| - | 52 | * @prepare_fb: prepare a framebuffer for use by the plane |
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| - | 53 | * @cleanup_fb: cleanup a framebuffer when it's no longer used by the plane |
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| - | 54 | * @atomic_check: check that a given atomic state is valid and can be applied |
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| - | 55 | * @atomic_update: apply an atomic state to the plane |
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| - | 56 | * |
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| - | 57 | * The helper operations are called by the mid-layer CRTC helper. |
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| - | 58 | */ |
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| - | 59 | struct drm_plane_helper_funcs { |
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| - | 60 | int (*prepare_fb)(struct drm_plane *plane, |
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| - | 61 | struct drm_framebuffer *fb); |
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| - | 62 | void (*cleanup_fb)(struct drm_plane *plane, |
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| - | 63 | struct drm_framebuffer *fb); |
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| - | 64 | ||
| - | 65 | int (*atomic_check)(struct drm_plane *plane, |
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| - | 66 | struct drm_plane_state *state); |
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| - | 67 | void (*atomic_update)(struct drm_plane *plane, |
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| - | 68 | struct drm_plane_state *old_state); |
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| - | 69 | }; |
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| - | 70 | ||
| - | 71 | static inline void drm_plane_helper_add(struct drm_plane *plane, |
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| - | 72 | const struct drm_plane_helper_funcs *funcs) |
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| - | 73 | { |
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| - | 74 | plane->helper_private = (void *)funcs; |
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| - | 75 | } |
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| 44 | 76 | ||
| 45 | extern int drm_plane_helper_check_update(struct drm_plane *plane, |
77 | extern int drm_plane_helper_check_update(struct drm_plane *plane, |
| 46 | struct drm_crtc *crtc, |
78 | struct drm_crtc *crtc, |
| 47 | struct drm_framebuffer *fb, |
79 | struct drm_framebuffer *fb, |
| 48 | struct drm_rect *src, |
80 | struct drm_rect *src, |
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| 66 | extern struct drm_plane *drm_primary_helper_create_plane(struct drm_device *dev, |
98 | extern struct drm_plane *drm_primary_helper_create_plane(struct drm_device *dev, |
| 67 | const uint32_t *formats, |
99 | const uint32_t *formats, |
| 68 | int num_formats); |
100 | int num_formats); |
| Line -... | Line 101... | ||
| - | 101 | ||
| - | 102 | ||
| - | 103 | int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc, |
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| - | 104 | struct drm_framebuffer *fb, |
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| - | 105 | int crtc_x, int crtc_y, |
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| - | 106 | unsigned int crtc_w, unsigned int crtc_h, |
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| - | 107 | uint32_t src_x, uint32_t src_y, |
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| - | 108 | uint32_t src_w, uint32_t src_h); |
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| - | 109 | int drm_plane_helper_disable(struct drm_plane *plane); |
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| - | 110 | ||
| - | 111 | /* For use by drm_crtc_helper.c */ |
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| - | 112 | int drm_plane_helper_commit(struct drm_plane *plane, |
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| 69 | 113 | struct drm_plane_state *plane_state, |
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