dpu_hw_dspp.h

 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_DSPP_H
 6#define _DPU_HW_DSPP_H
 7
 8struct dpu_hw_dspp;
 9
10/**
11 * struct dpu_hw_pcc_coeff - PCC coefficient structure for each color
12 *                            component.
13 * @r: red coefficient.
14 * @g: green coefficient.
15 * @b: blue coefficient.
16 */
17
18struct dpu_hw_pcc_coeff {
19	__u32 r;
20	__u32 g;
21	__u32 b;
22};
23
24/**
25 * struct dpu_hw_pcc_cfg - pcc feature structure
26 * @r: red coefficients.
27 * @g: green coefficients.
28 * @b: blue coefficients.
29 */
30struct dpu_hw_pcc_cfg {
31	struct dpu_hw_pcc_coeff r;
32	struct dpu_hw_pcc_coeff g;
33	struct dpu_hw_pcc_coeff b;
34};
35
36/**
37 * struct dpu_hw_dspp_ops - interface to the dspp hardware driver functions
38 * Caller must call the init function to get the dspp context for each dspp
39 * Assumption is these functions will be called after clocks are enabled
40 */
41struct dpu_hw_dspp_ops {
42	/**
43	 * @setup_pcc: setup_pcc - setup dspp pcc
44	 * @ctx: Pointer to dspp context
45	 * @cfg: Pointer to configuration
46	 */
47	void (*setup_pcc)(struct dpu_hw_dspp *ctx, struct dpu_hw_pcc_cfg *cfg);
48
49};
50
51/**
52 * struct dpu_hw_dspp - dspp description
53 * @base: Hardware block base structure
54 * @hw: Block hardware details
55 * @idx: DSPP index
56 * @cap: Pointer to layer_cfg
57 * @ops: Pointer to operations possible for this DSPP
58 */
59struct dpu_hw_dspp {
60	struct dpu_hw_blk base;
61	struct dpu_hw_blk_reg_map hw;
62
63	/* dspp */
64	int idx;
65	const struct dpu_dspp_cfg *cap;
66
67	/* Ops */
68	struct dpu_hw_dspp_ops ops;
69};
70
71/**
72 * to_dpu_hw_dspp - convert base object dpu_hw_base to container
73 * @hw: Pointer to base hardware block
74 * return: Pointer to hardware block container
75 */
76static inline struct dpu_hw_dspp *to_dpu_hw_dspp(struct dpu_hw_blk *hw)
77{
78	return container_of(hw, struct dpu_hw_dspp, base);
79}
80
81struct dpu_hw_dspp *dpu_hw_dspp_init(struct drm_device *dev,
82				     const struct dpu_dspp_cfg *cfg,
83				     void __iomem *addr);
84
85#endif /*_DPU_HW_DSPP_H */
86