1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
3 */
4
5 #ifndef _DPU_HW_LM_H
6 #define _DPU_HW_LM_H
7
8 #include "dpu_hw_mdss.h"
9 #include "dpu_hw_util.h"
10 #include "dpu_hw_blk.h"
11
12 struct dpu_hw_mixer;
13
14 struct dpu_hw_mixer_cfg {
15 u32 out_width;
16 u32 out_height;
17 bool right_mixer;
18 int flags;
19 };
20
21 struct dpu_hw_color3_cfg {
22 u8 keep_fg[DPU_STAGE_MAX];
23 };
24
25 /**
26 *
27 * struct dpu_hw_lm_ops : Interface to the mixer Hw driver functions
28 * Assumption is these functions will be called after clocks are enabled
29 */
30 struct dpu_hw_lm_ops {
31 /*
32 * Sets up mixer output width and height
33 * and border color if enabled
34 */
35 void (*setup_mixer_out)(struct dpu_hw_mixer *ctx,
36 struct dpu_hw_mixer_cfg *cfg);
37
38 /*
39 * Alpha blending configuration
40 * for the specified stage
41 */
42 void (*setup_blend_config)(struct dpu_hw_mixer *ctx, uint32_t stage,
43 uint32_t fg_alpha, uint32_t bg_alpha, uint32_t blend_op);
44
45 /*
46 * Alpha color component selection from either fg or bg
47 */
48 void (*setup_alpha_out)(struct dpu_hw_mixer *ctx, uint32_t mixer_op);
49
50 /**
51 * setup_border_color : enable/disable border color
52 */
53 void (*setup_border_color)(struct dpu_hw_mixer *ctx,
54 struct dpu_mdss_color *color,
55 u8 border_en);
56 };
57
58 struct dpu_hw_mixer {
59 struct dpu_hw_blk base;
60 struct dpu_hw_blk_reg_map hw;
61
62 /* lm */
63 enum dpu_lm idx;
64 const struct dpu_lm_cfg *cap;
65 const struct dpu_mdp_cfg *mdp;
66 const struct dpu_ctl_cfg *ctl;
67
68 /* ops */
69 struct dpu_hw_lm_ops ops;
70
71 /* store mixer info specific to display */
72 struct dpu_hw_mixer_cfg cfg;
73 };
74
75 /**
76 * to_dpu_hw_mixer - convert base object dpu_hw_base to container
77 * @hw: Pointer to base hardware block
78 * return: Pointer to hardware block container
79 */
to_dpu_hw_mixer(struct dpu_hw_blk * hw)80 static inline struct dpu_hw_mixer *to_dpu_hw_mixer(struct dpu_hw_blk *hw)
81 {
82 return container_of(hw, struct dpu_hw_mixer, base);
83 }
84
85 /**
86 * dpu_hw_lm_init(): Initializes the mixer hw driver object.
87 * should be called once before accessing every mixer.
88 * @idx: mixer index for which driver object is required
89 * @addr: mapped register io address of MDP
90 * @m : pointer to mdss catalog data
91 */
92 struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
93 void __iomem *addr,
94 const struct dpu_mdss_cfg *m);
95
96 /**
97 * dpu_hw_lm_destroy(): Destroys layer mixer driver context
98 * @lm: Pointer to LM driver context
99 */
100 void dpu_hw_lm_destroy(struct dpu_hw_mixer *lm);
101
102 #endif /*_DPU_HW_LM_H */
103