2 * Copyright (C) 2012 Avionic Design GmbH
3 * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
14 #include <drm/drm_crtc_helper.h>
15 #include <drm/drm_edid.h>
16 #include <drm/drm_fb_helper.h>
17 #include <drm/drm_gem_cma_helper.h>
18 #include <drm/drm_fb_cma_helper.h>
19 #include <drm/drm_fixed.h>
21 struct tegra_framebuffer {
22 struct drm_framebuffer base;
23 struct drm_gem_cma_object *obj;
26 static inline struct tegra_framebuffer *to_tegra_fb(struct drm_framebuffer *fb)
28 return container_of(fb, struct tegra_framebuffer, base);
32 struct drm_device *drm;
39 struct mutex drm_clients_lock;
40 struct list_head drm_clients;
41 struct list_head drm_active;
43 struct mutex clients_lock;
44 struct list_head clients;
46 struct drm_fbdev_cma *fbdev;
47 struct tegra_framebuffer fb;
52 struct host1x_client_ops {
53 int (*drm_init)(struct host1x_client *client, struct drm_device *drm);
54 int (*drm_exit)(struct host1x_client *client);
57 struct host1x_client {
58 struct host1x *host1x;
61 const struct host1x_client_ops *ops;
63 struct list_head list;
66 extern int host1x_drm_init(struct host1x *host1x, struct drm_device *drm);
67 extern int host1x_drm_exit(struct host1x *host1x);
69 extern int host1x_register_client(struct host1x *host1x,
70 struct host1x_client *client);
71 extern int host1x_unregister_client(struct host1x *host1x,
72 struct host1x_client *client);
77 struct host1x_client client;
79 struct host1x *host1x;
87 struct mutex regs_mutex;
91 struct tegra_output *rgb;
93 struct list_head list;
95 struct drm_info_list *debugfs_files;
96 struct drm_minor *minor;
97 struct dentry *debugfs;
100 static inline struct tegra_dc *host1x_client_to_dc(struct host1x_client *client)
102 return container_of(client, struct tegra_dc, client);
105 static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
107 return container_of(crtc, struct tegra_dc, base);
110 static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
113 writel(value, dc->regs + (reg << 2));
116 static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
119 return readl(dc->regs + (reg << 2));
122 struct tegra_output_ops {
123 int (*enable)(struct tegra_output *output);
124 int (*disable)(struct tegra_output *output);
125 int (*setup_clock)(struct tegra_output *output, struct clk *clk,
127 int (*check_mode)(struct tegra_output *output,
128 struct drm_display_mode *mode,
129 enum drm_mode_status *status);
132 enum tegra_output_type {
137 struct tegra_output {
138 struct device_node *of_node;
141 const struct tegra_output_ops *ops;
142 enum tegra_output_type type;
144 struct i2c_adapter *ddc;
145 const struct edid *edid;
146 unsigned int hpd_irq;
149 struct drm_encoder encoder;
150 struct drm_connector connector;
153 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
155 return container_of(e, struct tegra_output, encoder);
158 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
160 return container_of(c, struct tegra_output, connector);
163 static inline int tegra_output_enable(struct tegra_output *output)
165 if (output && output->ops && output->ops->enable)
166 return output->ops->enable(output);
168 return output ? -ENOSYS : -EINVAL;
171 static inline int tegra_output_disable(struct tegra_output *output)
173 if (output && output->ops && output->ops->disable)
174 return output->ops->disable(output);
176 return output ? -ENOSYS : -EINVAL;
179 static inline int tegra_output_setup_clock(struct tegra_output *output,
180 struct clk *clk, unsigned long pclk)
182 if (output && output->ops && output->ops->setup_clock)
183 return output->ops->setup_clock(output, clk, pclk);
185 return output ? -ENOSYS : -EINVAL;
188 static inline int tegra_output_check_mode(struct tegra_output *output,
189 struct drm_display_mode *mode,
190 enum drm_mode_status *status)
192 if (output && output->ops && output->ops->check_mode)
193 return output->ops->check_mode(output, mode, status);
195 return output ? -ENOSYS : -EINVAL;
199 extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
200 extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
201 extern int tegra_dc_rgb_exit(struct tegra_dc *dc);
204 extern int tegra_output_parse_dt(struct tegra_output *output);
205 extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
206 extern int tegra_output_exit(struct tegra_output *output);
209 extern int tegra_drm_fb_init(struct drm_device *drm);
210 extern void tegra_drm_fb_exit(struct drm_device *drm);
212 extern struct platform_driver tegra_host1x_driver;
213 extern struct platform_driver tegra_hdmi_driver;
214 extern struct platform_driver tegra_dc_driver;
215 extern struct drm_driver tegra_drm_driver;
217 #endif /* TEGRA_DRM_H */