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;
30 #ifdef CONFIG_DRM_TEGRA_FBDEV
32 struct drm_fb_helper base;
38 struct drm_device *drm;
40 struct mutex clients_lock;
41 struct list_head clients;
43 #ifdef CONFIG_DRM_TEGRA_FBDEV
44 struct tegra_fbdev *fbdev;
48 struct tegra_drm_client;
50 struct tegra_drm_context {
51 struct tegra_drm_client *client;
52 struct host1x_channel *channel;
53 struct list_head list;
56 struct tegra_drm_client_ops {
57 int (*open_channel)(struct tegra_drm_client *client,
58 struct tegra_drm_context *context);
59 void (*close_channel)(struct tegra_drm_context *context);
60 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
61 int (*submit)(struct tegra_drm_context *context,
62 struct drm_tegra_submit *args, struct drm_device *drm,
63 struct drm_file *file);
66 int tegra_drm_submit(struct tegra_drm_context *context,
67 struct drm_tegra_submit *args, struct drm_device *drm,
68 struct drm_file *file);
70 struct tegra_drm_client {
71 struct host1x_client base;
72 struct list_head list;
74 const struct tegra_drm_client_ops *ops;
77 static inline struct tegra_drm_client *
78 host1x_to_drm_client(struct host1x_client *client)
80 return container_of(client, struct tegra_drm_client, base);
83 int tegra_drm_register_client(struct tegra_drm *tegra,
84 struct tegra_drm_client *client);
85 int tegra_drm_unregister_client(struct tegra_drm *tegra,
86 struct tegra_drm_client *client);
88 int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
89 int tegra_drm_exit(struct tegra_drm *tegra);
91 struct tegra_dc_soc_info;
95 struct host1x_client client;
103 struct reset_control *rst;
107 struct tegra_output *rgb;
109 struct list_head list;
111 struct drm_info_list *debugfs_files;
112 struct drm_minor *minor;
113 struct dentry *debugfs;
115 /* page-flip handling */
116 struct drm_pending_vblank_event *event;
118 const struct tegra_dc_soc_info *soc;
121 static inline struct tegra_dc *
122 host1x_client_to_dc(struct host1x_client *client)
124 return container_of(client, struct tegra_dc, client);
127 static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
129 return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
132 static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
135 writel(value, dc->regs + (reg << 2));
138 static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
141 return readl(dc->regs + (reg << 2));
144 struct tegra_dc_window {
157 unsigned int bits_per_pixel;
160 unsigned int stride[2];
161 unsigned long base[3];
167 void tegra_dc_enable_vblank(struct tegra_dc *dc);
168 void tegra_dc_disable_vblank(struct tegra_dc *dc);
169 void tegra_dc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file);
171 struct tegra_output_ops {
172 int (*enable)(struct tegra_output *output);
173 int (*disable)(struct tegra_output *output);
174 int (*setup_clock)(struct tegra_output *output, struct clk *clk,
175 unsigned long pclk, unsigned int *div);
176 int (*check_mode)(struct tegra_output *output,
177 struct drm_display_mode *mode,
178 enum drm_mode_status *status);
179 enum drm_connector_status (*detect)(struct tegra_output *output);
182 enum tegra_output_type {
189 struct tegra_output {
190 struct device_node *of_node;
193 const struct tegra_output_ops *ops;
194 enum tegra_output_type type;
196 struct drm_panel *panel;
197 struct i2c_adapter *ddc;
198 const struct edid *edid;
199 unsigned int hpd_irq;
202 struct drm_encoder encoder;
203 struct drm_connector connector;
206 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
208 return container_of(e, struct tegra_output, encoder);
211 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
213 return container_of(c, struct tegra_output, connector);
216 static inline int tegra_output_enable(struct tegra_output *output)
218 if (output && output->ops && output->ops->enable)
219 return output->ops->enable(output);
221 return output ? -ENOSYS : -EINVAL;
224 static inline int tegra_output_disable(struct tegra_output *output)
226 if (output && output->ops && output->ops->disable)
227 return output->ops->disable(output);
229 return output ? -ENOSYS : -EINVAL;
232 static inline int tegra_output_setup_clock(struct tegra_output *output,
233 struct clk *clk, unsigned long pclk,
236 if (output && output->ops && output->ops->setup_clock)
237 return output->ops->setup_clock(output, clk, pclk, div);
239 return output ? -ENOSYS : -EINVAL;
242 static inline int tegra_output_check_mode(struct tegra_output *output,
243 struct drm_display_mode *mode,
244 enum drm_mode_status *status)
246 if (output && output->ops && output->ops->check_mode)
247 return output->ops->check_mode(output, mode, status);
249 return output ? -ENOSYS : -EINVAL;
253 int tegra_dc_rgb_probe(struct tegra_dc *dc);
254 int tegra_dc_rgb_remove(struct tegra_dc *dc);
255 int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
256 int tegra_dc_rgb_exit(struct tegra_dc *dc);
259 int tegra_output_probe(struct tegra_output *output);
260 int tegra_output_remove(struct tegra_output *output);
261 int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
262 int tegra_output_exit(struct tegra_output *output);
268 struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np);
269 enum drm_connector_status tegra_dpaux_detect(struct tegra_dpaux *dpaux);
270 int tegra_dpaux_attach(struct tegra_dpaux *dpaux, struct tegra_output *output);
271 int tegra_dpaux_detach(struct tegra_dpaux *dpaux);
272 int tegra_dpaux_enable(struct tegra_dpaux *dpaux);
273 int tegra_dpaux_disable(struct tegra_dpaux *dpaux);
274 int tegra_dpaux_prepare(struct tegra_dpaux *dpaux, u8 encoding);
275 int tegra_dpaux_train(struct tegra_dpaux *dpaux, struct drm_dp_link *link,
279 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
281 bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
282 bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer);
283 int tegra_drm_fb_init(struct drm_device *drm);
284 void tegra_drm_fb_exit(struct drm_device *drm);
285 #ifdef CONFIG_DRM_TEGRA_FBDEV
286 void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
289 extern struct platform_driver tegra_dc_driver;
290 extern struct platform_driver tegra_dsi_driver;
291 extern struct platform_driver tegra_sor_driver;
292 extern struct platform_driver tegra_hdmi_driver;
293 extern struct platform_driver tegra_dpaux_driver;
294 extern struct platform_driver tegra_gr2d_driver;
295 extern struct platform_driver tegra_gr3d_driver;
297 #endif /* HOST1X_DRM_H */