projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ba2d53fb BG |
1 | /* |
| 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 | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _STI_LAYER_H_ | |
| 10 | #define _STI_LAYER_H_ | |
| 11 | ||
| 12 | #include <drm/drmP.h> | |
| 13 | ||
| 14 | #define to_sti_layer(x) container_of(x, struct sti_layer, plane) | |
| 15 | ||
| 16 | #define STI_LAYER_TYPE_SHIFT 8 | |
| 17 | #define STI_LAYER_TYPE_MASK (~((1<<STI_LAYER_TYPE_SHIFT)-1)) | |
| 18 | ||
| 19 | struct sti_layer; | |
| 20 | ||
| 21 | enum sti_layer_type { | |
| 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 | |
| 26 | }; | |
| 27 | ||
| 28 | enum sti_layer_id_of_type { | |
| 29 | STI_ID_0 = 0, | |
| 30 | STI_ID_1 = 1, | |
| 31 | STI_ID_2 = 2, | |
| 32 | STI_ID_3 = 3 | |
| 33 | }; | |
| 34 | ||
| 35 | enum sti_layer_desc { | |
| 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, | |
| 42 | STI_CURSOR = STI_CUR, | |
| 43 | STI_BACK = STI_BCK | |
| 44 | }; | |
| 45 | ||
| 46 | /** | |
| 47 | * STI layer functions structure | |
| 48 | * | |
| 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 | |
| 55 | */ | |
| 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); | |
| 63 | }; | |
| 64 | ||
| 65 | /** | |
| 66 | * STI layer structure | |
| 67 | * | |
| 68 | * @plane: drm plane it is bound to (if any) | |
| 69 | * @fb: drm fb it is bound to | |
| 70 | * @mode: display mode | |
| 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 | |
| 82 | * @format: format | |
| 83 | * @pitches: pitch of 'planes' (eg: Y, U, V) | |
| 84 | * @offsets: offset of 'planes' | |
| 85 | * @paddr: physical address of the input buffer | |
| 86 | */ | |
| 87 | struct sti_layer { | |
| 88 | struct drm_plane plane; | |
| 89 | struct drm_framebuffer *fb; | |
| 90 | struct drm_display_mode *mode; | |
| 91 | enum sti_layer_desc desc; | |
| 92 | struct device *dev; | |
| 93 | void __iomem *regs; | |
| 94 | const struct sti_layer_funcs *ops; | |
| 95 | int zorder; | |
| 96 | int mixer_id; | |
| 97 | bool enabled; | |
| 98 | int src_x, src_y; | |
| 99 | int src_w, src_h; | |
| 100 | int dst_x, dst_y; | |
| 101 | int dst_w, dst_h; | |
| 102 | uint32_t format; | |
| 103 | unsigned int pitches[4]; | |
| 104 | unsigned int offsets[4]; | |
| 105 | dma_addr_t paddr; | |
| 106 | }; | |
| 107 | ||
| 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, | |
| 112 | int mixer_id, | |
| 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); | |
| 122 | ||
| 123 | #endif |