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;
69 struct host1x *host1x;
80 struct tegra_output *rgb;
82 struct list_head list;
84 struct drm_info_list *debugfs_files;
85 struct drm_minor *minor;
86 struct dentry *debugfs;
89 static inline struct tegra_dc *host1x_client_to_dc(struct host1x_client *client)
91 return container_of(client, struct tegra_dc, client);
94 static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
96 return container_of(crtc, struct tegra_dc, base);
99 static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
102 writel(value, dc->regs + (reg << 2));
105 static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
108 return readl(dc->regs + (reg << 2));
111 struct tegra_dc_window {
124 unsigned int bits_per_pixel;
126 unsigned int stride[2];
127 unsigned long base[3];
131 extern unsigned int tegra_dc_format(uint32_t format);
132 extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
133 const struct tegra_dc_window *window);
134 extern void tegra_dc_enable_vblank(struct tegra_dc *dc);
135 extern void tegra_dc_disable_vblank(struct tegra_dc *dc);
137 struct tegra_output_ops {
138 int (*enable)(struct tegra_output *output);
139 int (*disable)(struct tegra_output *output);
140 int (*setup_clock)(struct tegra_output *output, struct clk *clk,
142 int (*check_mode)(struct tegra_output *output,
143 struct drm_display_mode *mode,
144 enum drm_mode_status *status);
147 enum tegra_output_type {
152 struct tegra_output {
153 struct device_node *of_node;
156 const struct tegra_output_ops *ops;
157 enum tegra_output_type type;
159 struct i2c_adapter *ddc;
160 const struct edid *edid;
161 unsigned int hpd_irq;
164 struct drm_encoder encoder;
165 struct drm_connector connector;
168 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
170 return container_of(e, struct tegra_output, encoder);
173 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
175 return container_of(c, struct tegra_output, connector);
178 static inline int tegra_output_enable(struct tegra_output *output)
180 if (output && output->ops && output->ops->enable)
181 return output->ops->enable(output);
183 return output ? -ENOSYS : -EINVAL;
186 static inline int tegra_output_disable(struct tegra_output *output)
188 if (output && output->ops && output->ops->disable)
189 return output->ops->disable(output);
191 return output ? -ENOSYS : -EINVAL;
194 static inline int tegra_output_setup_clock(struct tegra_output *output,
195 struct clk *clk, unsigned long pclk)
197 if (output && output->ops && output->ops->setup_clock)
198 return output->ops->setup_clock(output, clk, pclk);
200 return output ? -ENOSYS : -EINVAL;
203 static inline int tegra_output_check_mode(struct tegra_output *output,
204 struct drm_display_mode *mode,
205 enum drm_mode_status *status)
207 if (output && output->ops && output->ops->check_mode)
208 return output->ops->check_mode(output, mode, status);
210 return output ? -ENOSYS : -EINVAL;
214 extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
215 extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
216 extern int tegra_dc_rgb_exit(struct tegra_dc *dc);
219 extern int tegra_output_parse_dt(struct tegra_output *output);
220 extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
221 extern int tegra_output_exit(struct tegra_output *output);
224 extern int tegra_drm_fb_init(struct drm_device *drm);
225 extern void tegra_drm_fb_exit(struct drm_device *drm);
227 extern struct platform_driver tegra_host1x_driver;
228 extern struct platform_driver tegra_hdmi_driver;
229 extern struct platform_driver tegra_dc_driver;
230 extern struct drm_driver tegra_drm_driver;
232 #endif /* TEGRA_DRM_H */