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>
25 struct drm_framebuffer base;
26 struct tegra_bo **planes;
27 unsigned int num_planes;
31 struct drm_fb_helper base;
36 struct drm_device *drm;
38 struct mutex clients_lock;
39 struct list_head clients;
41 struct tegra_fbdev *fbdev;
44 struct tegra_drm_client;
46 struct tegra_drm_context {
47 struct tegra_drm_client *client;
48 struct host1x_channel *channel;
49 struct list_head list;
52 struct tegra_drm_client_ops {
53 int (*open_channel)(struct tegra_drm_client *client,
54 struct tegra_drm_context *context);
55 void (*close_channel)(struct tegra_drm_context *context);
56 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
57 int (*submit)(struct tegra_drm_context *context,
58 struct drm_tegra_submit *args, struct drm_device *drm,
59 struct drm_file *file);
62 int tegra_drm_submit(struct tegra_drm_context *context,
63 struct drm_tegra_submit *args, struct drm_device *drm,
64 struct drm_file *file);
66 struct tegra_drm_client {
67 struct host1x_client base;
68 struct list_head list;
70 const struct tegra_drm_client_ops *ops;
73 static inline struct tegra_drm_client *
74 host1x_to_drm_client(struct host1x_client *client)
76 return container_of(client, struct tegra_drm_client, base);
79 extern int tegra_drm_register_client(struct tegra_drm *tegra,
80 struct tegra_drm_client *client);
81 extern int tegra_drm_unregister_client(struct tegra_drm *tegra,
82 struct tegra_drm_client *client);
84 extern int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
85 extern int tegra_drm_exit(struct tegra_drm *tegra);
90 struct host1x_client client;
98 struct reset_control *rst;
102 struct tegra_output *rgb;
104 struct list_head list;
106 struct drm_info_list *debugfs_files;
107 struct drm_minor *minor;
108 struct dentry *debugfs;
110 /* page-flip handling */
111 struct drm_pending_vblank_event *event;
114 static inline struct tegra_dc *
115 host1x_client_to_dc(struct host1x_client *client)
117 return container_of(client, struct tegra_dc, client);
120 static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
122 return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
125 static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
128 writel(value, dc->regs + (reg << 2));
131 static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
134 return readl(dc->regs + (reg << 2));
137 struct tegra_dc_window {
150 unsigned int bits_per_pixel;
152 unsigned int stride[2];
153 unsigned long base[3];
159 extern unsigned int tegra_dc_format(uint32_t format);
160 extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
161 const struct tegra_dc_window *window);
162 extern void tegra_dc_enable_vblank(struct tegra_dc *dc);
163 extern void tegra_dc_disable_vblank(struct tegra_dc *dc);
164 extern void tegra_dc_cancel_page_flip(struct drm_crtc *crtc,
165 struct drm_file *file);
167 struct tegra_output_ops {
168 int (*enable)(struct tegra_output *output);
169 int (*disable)(struct tegra_output *output);
170 int (*setup_clock)(struct tegra_output *output, struct clk *clk,
172 int (*check_mode)(struct tegra_output *output,
173 struct drm_display_mode *mode,
174 enum drm_mode_status *status);
177 enum tegra_output_type {
182 struct tegra_output {
183 struct device_node *of_node;
186 const struct tegra_output_ops *ops;
187 enum tegra_output_type type;
189 struct i2c_adapter *ddc;
190 const struct edid *edid;
191 unsigned int hpd_irq;
194 struct drm_encoder encoder;
195 struct drm_connector connector;
198 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
200 return container_of(e, struct tegra_output, encoder);
203 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
205 return container_of(c, struct tegra_output, connector);
208 static inline int tegra_output_enable(struct tegra_output *output)
210 if (output && output->ops && output->ops->enable)
211 return output->ops->enable(output);
213 return output ? -ENOSYS : -EINVAL;
216 static inline int tegra_output_disable(struct tegra_output *output)
218 if (output && output->ops && output->ops->disable)
219 return output->ops->disable(output);
221 return output ? -ENOSYS : -EINVAL;
224 static inline int tegra_output_setup_clock(struct tegra_output *output,
225 struct clk *clk, unsigned long pclk)
227 if (output && output->ops && output->ops->setup_clock)
228 return output->ops->setup_clock(output, clk, pclk);
230 return output ? -ENOSYS : -EINVAL;
233 static inline int tegra_output_check_mode(struct tegra_output *output,
234 struct drm_display_mode *mode,
235 enum drm_mode_status *status)
237 if (output && output->ops && output->ops->check_mode)
238 return output->ops->check_mode(output, mode, status);
240 return output ? -ENOSYS : -EINVAL;
244 int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device);
245 void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device);
248 extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
249 extern int tegra_dc_rgb_remove(struct tegra_dc *dc);
250 extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
251 extern int tegra_dc_rgb_exit(struct tegra_dc *dc);
254 extern int tegra_output_probe(struct tegra_output *output);
255 extern int tegra_output_remove(struct tegra_output *output);
256 extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
257 extern int tegra_output_exit(struct tegra_output *output);
260 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
262 bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
263 bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer);
264 extern int tegra_drm_fb_init(struct drm_device *drm);
265 extern void tegra_drm_fb_exit(struct drm_device *drm);
266 extern void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
268 extern struct platform_driver tegra_dc_driver;
269 extern struct platform_driver tegra_hdmi_driver;
270 extern struct platform_driver tegra_gr2d_driver;
271 extern struct platform_driver tegra_gr3d_driver;
273 #endif /* HOST1X_DRM_H */