xref: /linux/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Hisilicon Hibmc SoC drm driver
3  *
4  * Based on the bochs drm driver.
5  *
6  * Copyright (c) 2016 Huawei Limited.
7  *
8  * Author:
9  *	Rongrong Zou <zourongrong@huawei.com>
10  *	Rongrong Zou <zourongrong@gmail.com>
11  *	Jianhua Li <lijianhua@huawei.com>
12  */
13 
14 #ifndef HIBMC_DRM_DRV_H
15 #define HIBMC_DRM_DRV_H
16 
17 #include <linux/gpio/consumer.h>
18 #include <linux/i2c-algo-bit.h>
19 #include <linux/i2c.h>
20 
21 #include <drm/drm_framebuffer.h>
22 
23 struct hibmc_connector {
24 	struct drm_connector base;
25 
26 	struct i2c_adapter adapter;
27 	struct i2c_algo_bit_data bit_data;
28 };
29 
30 struct hibmc_drm_private {
31 	/* hw */
32 	void __iomem   *mmio;
33 
34 	/* drm */
35 	struct drm_device dev;
36 	struct drm_plane primary_plane;
37 	struct drm_crtc crtc;
38 	struct drm_encoder encoder;
39 	struct hibmc_connector connector;
40 };
41 
to_hibmc_connector(struct drm_connector * connector)42 static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *connector)
43 {
44 	return container_of(connector, struct hibmc_connector, base);
45 }
46 
to_hibmc_drm_private(struct drm_device * dev)47 static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
48 {
49 	return container_of(dev, struct hibmc_drm_private, dev);
50 }
51 
52 void hibmc_set_power_mode(struct hibmc_drm_private *priv,
53 			  u32 power_mode);
54 void hibmc_set_current_gate(struct hibmc_drm_private *priv,
55 			    u32 gate);
56 
57 int hibmc_de_init(struct hibmc_drm_private *priv);
58 int hibmc_vdac_init(struct hibmc_drm_private *priv);
59 
60 int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_connector *connector);
61 
62 #endif
63