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_edid.h>
22 #include <drm/drm_framebuffer.h>
23 
24 struct hibmc_connector {
25 	struct drm_connector base;
26 
27 	struct i2c_adapter adapter;
28 	struct i2c_algo_bit_data bit_data;
29 };
30 
31 struct hibmc_drm_private {
32 	/* hw */
33 	void __iomem   *mmio;
34 
35 	/* drm */
36 	struct drm_device dev;
37 	struct drm_plane primary_plane;
38 	struct drm_crtc crtc;
39 	struct drm_encoder encoder;
40 	struct hibmc_connector connector;
41 };
42 
to_hibmc_connector(struct drm_connector * connector)43 static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *connector)
44 {
45 	return container_of(connector, struct hibmc_connector, base);
46 }
47 
to_hibmc_drm_private(struct drm_device * dev)48 static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
49 {
50 	return container_of(dev, struct hibmc_drm_private, dev);
51 }
52 
53 void hibmc_set_power_mode(struct hibmc_drm_private *priv,
54 			  u32 power_mode);
55 void hibmc_set_current_gate(struct hibmc_drm_private *priv,
56 			    u32 gate);
57 
58 int hibmc_de_init(struct hibmc_drm_private *priv);
59 int hibmc_vdac_init(struct hibmc_drm_private *priv);
60 
61 int hibmc_mm_init(struct hibmc_drm_private *hibmc);
62 int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_connector *connector);
63 
64 #endif
65