2 * Copyright (C) STMicroelectronics SA 2014
3 * Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
4 * Fabien Dessenne <fabien.dessenne@st.com>
5 * for STMicroelectronics.
6 * License terms: GNU General Public License (GPL), version 2
14 #define to_sti_layer(x) container_of(x, struct sti_layer, plane)
16 #define STI_LAYER_TYPE_SHIFT 8
17 #define STI_LAYER_TYPE_MASK (~((1<<STI_LAYER_TYPE_SHIFT)-1))
22 STI_GDP = 1 << STI_LAYER_TYPE_SHIFT,
23 STI_VID = 2 << STI_LAYER_TYPE_SHIFT,
24 STI_CUR = 3 << STI_LAYER_TYPE_SHIFT,
25 STI_BCK = 4 << STI_LAYER_TYPE_SHIFT
28 enum sti_layer_id_of_type {
36 STI_GDP_0 = STI_GDP | STI_ID_0,
37 STI_GDP_1 = STI_GDP | STI_ID_1,
38 STI_GDP_2 = STI_GDP | STI_ID_2,
39 STI_GDP_3 = STI_GDP | STI_ID_3,
40 STI_VID_0 = STI_VID | STI_ID_0,
41 STI_VID_1 = STI_VID | STI_ID_1,
47 * STI layer functions structure
49 * @get_formats: get layer supported formats
50 * @get_nb_formats: get number of format supported
51 * @init: initialize the layer
52 * @prepare: prepare layer before rendering
53 * @commit: set layer for rendering
54 * @disable: disable layer
56 struct sti_layer_funcs {
57 const uint32_t* (*get_formats)(struct sti_layer *layer);
58 unsigned int (*get_nb_formats)(struct sti_layer *layer);
59 void (*init)(struct sti_layer *layer);
60 int (*prepare)(struct sti_layer *layer, bool first_prepare);
61 int (*commit)(struct sti_layer *layer);
62 int (*disable)(struct sti_layer *layer);
68 * @plane: drm plane it is bound to (if any)
69 * @fb: drm fb it is bound to
71 * @desc: layer type & id
72 * @device: driver device
73 * @regs: layer registers
74 * @ops: layer functions
75 * @zorder: layer z-order
76 * @mixer_id: id of the mixer used to display the layer
77 * @enabled: to know if the layer is active or not
78 * @src_x src_y: coordinates of the input (fb) area
79 * @src_w src_h: size of the input (fb) area
80 * @dst_x dst_y: coordinates of the output (crtc) area
81 * @dst_w dst_h: size of the output (crtc) area
83 * @pitches: pitch of 'planes' (eg: Y, U, V)
84 * @offsets: offset of 'planes'
85 * @paddr: physical address of the input buffer
88 struct drm_plane plane;
89 struct drm_framebuffer *fb;
90 struct drm_display_mode *mode;
91 enum sti_layer_desc desc;
94 const struct sti_layer_funcs *ops;
103 unsigned int pitches[4];
104 unsigned int offsets[4];
108 struct sti_layer *sti_layer_create(struct device *dev, int desc,
109 void __iomem *baseaddr);
110 int sti_layer_prepare(struct sti_layer *layer, struct drm_framebuffer *fb,
111 struct drm_display_mode *mode,
113 int dest_x, int dest_y,
114 int dest_w, int dest_h,
115 int src_x, int src_y,
116 int src_w, int src_h);
117 int sti_layer_commit(struct sti_layer *layer);
118 int sti_layer_disable(struct sti_layer *layer);
119 const uint32_t *sti_layer_get_formats(struct sti_layer *layer);
120 unsigned int sti_layer_get_nb_formats(struct sti_layer *layer);
121 const char *sti_layer_to_str(struct sti_layer *layer);