2 * Copyright (C) 2012 Avionic Design GmbH
3 * Copyright (C) 2012-2013 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.
11 #define HOST1X_DRM_H 1
13 #include <uapi/drm/tegra_drm.h>
14 #include <linux/host1x.h>
17 #include <drm/drm_crtc_helper.h>
18 #include <drm/drm_edid.h>
19 #include <drm/drm_fb_helper.h>
20 #include <drm/drm_fixed.h>
23 struct drm_framebuffer base;
24 struct tegra_bo **planes;
25 unsigned int num_planes;
29 struct drm_fb_helper base;
34 struct drm_device *drm;
37 struct mutex subdevs_lock;
38 struct list_head subdevs;
39 struct list_head active;
41 struct mutex clients_lock;
42 struct list_head clients;
44 struct tegra_fbdev *fbdev;
47 struct tegra_drm_client;
49 struct tegra_drm_context {
50 struct tegra_drm_client *client;
51 struct host1x_channel *channel;
52 struct list_head list;
55 struct tegra_drm_client_ops {
56 int (*open_channel)(struct tegra_drm_client *client,
57 struct tegra_drm_context *context);
58 void (*close_channel)(struct tegra_drm_context *context);
59 int (*submit)(struct tegra_drm_context *context,
60 struct drm_tegra_submit *args, struct drm_device *drm,
61 struct drm_file *file);
64 struct tegra_drm_client {
65 struct host1x_client base;
66 struct drm_device *drm;
68 const struct tegra_drm_client_ops *ops;
71 static inline struct tegra_drm_client *
72 to_tegra_drm_client(struct host1x_client *client)
74 return container_of(client, struct tegra_drm_client, base);
77 extern int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
78 extern int tegra_drm_exit(struct tegra_drm *tegra);
80 extern int host1x_register_client(struct tegra_drm *tegra,
81 struct host1x_client *client);
82 extern int host1x_unregister_client(struct tegra_drm *tegra,
83 struct host1x_client *client);
88 struct tegra_drm_client client;
99 struct tegra_output *rgb;
101 struct list_head list;
103 struct drm_info_list *debugfs_files;
104 struct drm_minor *minor;
105 struct dentry *debugfs;
107 /* page-flip handling */
108 struct drm_pending_vblank_event *event;
111 static inline struct tegra_dc *
112 tegra_drm_client_to_dc(struct tegra_drm_client *client)
114 return container_of(client, struct tegra_dc, client);
117 static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
119 return container_of(crtc, struct tegra_dc, base);
122 static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
125 writel(value, dc->regs + (reg << 2));
128 static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
131 return readl(dc->regs + (reg << 2));
134 struct tegra_dc_window {
147 unsigned int bits_per_pixel;
149 unsigned int stride[2];
150 unsigned long base[3];
154 extern unsigned int tegra_dc_format(uint32_t format);
155 extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
156 const struct tegra_dc_window *window);
157 extern void tegra_dc_enable_vblank(struct tegra_dc *dc);
158 extern void tegra_dc_disable_vblank(struct tegra_dc *dc);
159 extern void tegra_dc_cancel_page_flip(struct drm_crtc *crtc,
160 struct drm_file *file);
162 struct tegra_output_ops {
163 int (*enable)(struct tegra_output *output);
164 int (*disable)(struct tegra_output *output);
165 int (*setup_clock)(struct tegra_output *output, struct clk *clk,
167 int (*check_mode)(struct tegra_output *output,
168 struct drm_display_mode *mode,
169 enum drm_mode_status *status);
172 enum tegra_output_type {
177 struct tegra_output {
178 struct device_node *of_node;
181 const struct tegra_output_ops *ops;
182 enum tegra_output_type type;
184 struct i2c_adapter *ddc;
185 const struct edid *edid;
186 unsigned int hpd_irq;
189 struct drm_encoder encoder;
190 struct drm_connector connector;
193 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
195 return container_of(e, struct tegra_output, encoder);
198 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
200 return container_of(c, struct tegra_output, connector);
203 static inline int tegra_output_enable(struct tegra_output *output)
205 if (output && output->ops && output->ops->enable)
206 return output->ops->enable(output);
208 return output ? -ENOSYS : -EINVAL;
211 static inline int tegra_output_disable(struct tegra_output *output)
213 if (output && output->ops && output->ops->disable)
214 return output->ops->disable(output);
216 return output ? -ENOSYS : -EINVAL;
219 static inline int tegra_output_setup_clock(struct tegra_output *output,
220 struct clk *clk, unsigned long pclk)
222 if (output && output->ops && output->ops->setup_clock)
223 return output->ops->setup_clock(output, clk, pclk);
225 return output ? -ENOSYS : -EINVAL;
228 static inline int tegra_output_check_mode(struct tegra_output *output,
229 struct drm_display_mode *mode,
230 enum drm_mode_status *status)
232 if (output && output->ops && output->ops->check_mode)
233 return output->ops->check_mode(output, mode, status);
235 return output ? -ENOSYS : -EINVAL;
239 extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
240 extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
241 extern int tegra_dc_rgb_exit(struct tegra_dc *dc);
244 extern int tegra_output_parse_dt(struct tegra_output *output);
245 extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
246 extern int tegra_output_exit(struct tegra_output *output);
249 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
251 extern int tegra_drm_fb_init(struct drm_device *drm);
252 extern void tegra_drm_fb_exit(struct drm_device *drm);
253 extern void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
255 extern struct drm_driver tegra_drm_driver;
257 #endif /* HOST1X_DRM_H */