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>
22 struct drm_device *drm;
29 struct mutex drm_clients_lock;
30 struct list_head drm_clients;
31 struct list_head drm_active;
33 struct mutex clients_lock;
34 struct list_head clients;
36 struct drm_fbdev_cma *fbdev;
41 struct host1x_client_ops {
42 int (*drm_init)(struct host1x_client *client, struct drm_device *drm);
43 int (*drm_exit)(struct host1x_client *client);
46 struct host1x_client {
47 struct host1x *host1x;
50 const struct host1x_client_ops *ops;
52 struct list_head list;
55 extern int host1x_drm_init(struct host1x *host1x, struct drm_device *drm);
56 extern int host1x_drm_exit(struct host1x *host1x);
58 extern int host1x_register_client(struct host1x *host1x,
59 struct host1x_client *client);
60 extern int host1x_unregister_client(struct host1x *host1x,
61 struct host1x_client *client);
66 struct host1x_client client;
68 struct host1x *host1x;
79 struct tegra_output *rgb;
81 struct list_head list;
83 struct drm_info_list *debugfs_files;
84 struct drm_minor *minor;
85 struct dentry *debugfs;
88 static inline struct tegra_dc *host1x_client_to_dc(struct host1x_client *client)
90 return container_of(client, struct tegra_dc, client);
93 static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
95 return container_of(crtc, struct tegra_dc, base);
98 static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
101 writel(value, dc->regs + (reg << 2));
104 static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
107 return readl(dc->regs + (reg << 2));
110 struct tegra_output_ops {
111 int (*enable)(struct tegra_output *output);
112 int (*disable)(struct tegra_output *output);
113 int (*setup_clock)(struct tegra_output *output, struct clk *clk,
115 int (*check_mode)(struct tegra_output *output,
116 struct drm_display_mode *mode,
117 enum drm_mode_status *status);
120 enum tegra_output_type {
125 struct tegra_output {
126 struct device_node *of_node;
129 const struct tegra_output_ops *ops;
130 enum tegra_output_type type;
132 struct i2c_adapter *ddc;
133 const struct edid *edid;
134 unsigned int hpd_irq;
137 struct drm_encoder encoder;
138 struct drm_connector connector;
141 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
143 return container_of(e, struct tegra_output, encoder);
146 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
148 return container_of(c, struct tegra_output, connector);
151 static inline int tegra_output_enable(struct tegra_output *output)
153 if (output && output->ops && output->ops->enable)
154 return output->ops->enable(output);
156 return output ? -ENOSYS : -EINVAL;
159 static inline int tegra_output_disable(struct tegra_output *output)
161 if (output && output->ops && output->ops->disable)
162 return output->ops->disable(output);
164 return output ? -ENOSYS : -EINVAL;
167 static inline int tegra_output_setup_clock(struct tegra_output *output,
168 struct clk *clk, unsigned long pclk)
170 if (output && output->ops && output->ops->setup_clock)
171 return output->ops->setup_clock(output, clk, pclk);
173 return output ? -ENOSYS : -EINVAL;
176 static inline int tegra_output_check_mode(struct tegra_output *output,
177 struct drm_display_mode *mode,
178 enum drm_mode_status *status)
180 if (output && output->ops && output->ops->check_mode)
181 return output->ops->check_mode(output, mode, status);
183 return output ? -ENOSYS : -EINVAL;
187 extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
188 extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
189 extern int tegra_dc_rgb_exit(struct tegra_dc *dc);
192 extern int tegra_output_parse_dt(struct tegra_output *output);
193 extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
194 extern int tegra_output_exit(struct tegra_output *output);
197 extern int tegra_drm_fb_init(struct drm_device *drm);
198 extern void tegra_drm_fb_exit(struct drm_device *drm);
200 extern struct platform_driver tegra_host1x_driver;
201 extern struct platform_driver tegra_hdmi_driver;
202 extern struct platform_driver tegra_dc_driver;
203 extern struct drm_driver tegra_drm_driver;
205 #endif /* TEGRA_DRM_H */