xref: /linux/drivers/gpu/drm/imx/dc/dc-drv.h (revision 9f09e3173776b9da4fde0c0641d1d1e9d08fcf46)
1*9f09e317SLiu Ying /* SPDX-License-Identifier: GPL-2.0+ */
2*9f09e317SLiu Ying /*
3*9f09e317SLiu Ying  * Copyright 2024 NXP
4*9f09e317SLiu Ying  */
5*9f09e317SLiu Ying 
6*9f09e317SLiu Ying #ifndef __DC_DRV_H__
7*9f09e317SLiu Ying #define __DC_DRV_H__
8*9f09e317SLiu Ying 
9*9f09e317SLiu Ying #include <linux/ioport.h>
10*9f09e317SLiu Ying #include <linux/platform_device.h>
11*9f09e317SLiu Ying #include <linux/types.h>
12*9f09e317SLiu Ying 
13*9f09e317SLiu Ying #include <drm/drm_device.h>
14*9f09e317SLiu Ying 
15*9f09e317SLiu Ying #include "dc-de.h"
16*9f09e317SLiu Ying 
17*9f09e317SLiu Ying /**
18*9f09e317SLiu Ying  * struct dc_drm_device - DC specific drm_device
19*9f09e317SLiu Ying  */
20*9f09e317SLiu Ying struct dc_drm_device {
21*9f09e317SLiu Ying 	/** @base: base drm_device structure */
22*9f09e317SLiu Ying 	struct drm_device base;
23*9f09e317SLiu Ying 	/** @de: display engine list */
24*9f09e317SLiu Ying 	struct dc_de *de[DC_DISPLAYS];
25*9f09e317SLiu Ying 	/** @fg: framegen list */
26*9f09e317SLiu Ying 	struct dc_fg *fg[DC_DISPLAYS];
27*9f09e317SLiu Ying 	/** @tc: tcon list */
28*9f09e317SLiu Ying 	struct dc_tc *tc[DC_DISPLAYS];
29*9f09e317SLiu Ying };
30*9f09e317SLiu Ying 
31*9f09e317SLiu Ying struct dc_subdev_info {
32*9f09e317SLiu Ying 	resource_size_t reg_start;
33*9f09e317SLiu Ying 	int id;
34*9f09e317SLiu Ying };
35*9f09e317SLiu Ying 
36*9f09e317SLiu Ying extern struct platform_driver dc_de_driver;
37*9f09e317SLiu Ying extern struct platform_driver dc_fg_driver;
38*9f09e317SLiu Ying extern struct platform_driver dc_tc_driver;
39*9f09e317SLiu Ying 
40*9f09e317SLiu Ying static inline int dc_subdev_get_id(const struct dc_subdev_info *info,
41*9f09e317SLiu Ying 				   int info_cnt, struct resource *res)
42*9f09e317SLiu Ying {
43*9f09e317SLiu Ying 	int i;
44*9f09e317SLiu Ying 
45*9f09e317SLiu Ying 	if (!res)
46*9f09e317SLiu Ying 		return -EINVAL;
47*9f09e317SLiu Ying 
48*9f09e317SLiu Ying 	for (i = 0; i < info_cnt; i++)
49*9f09e317SLiu Ying 		if (info[i].reg_start == res->start)
50*9f09e317SLiu Ying 			return info[i].id;
51*9f09e317SLiu Ying 
52*9f09e317SLiu Ying 	return -EINVAL;
53*9f09e317SLiu Ying }
54*9f09e317SLiu Ying 
55*9f09e317SLiu Ying void dc_de_post_bind(struct dc_drm_device *dc_drm);
56*9f09e317SLiu Ying 
57*9f09e317SLiu Ying #endif /* __DC_DRV_H__ */
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