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 extern int tegra_drm_register_client(struct tegra_drm *tegra,
84 struct tegra_drm_client *client);
85 extern int tegra_drm_unregister_client(struct tegra_drm *tegra,
86 struct tegra_drm_client *client);
88 extern int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
89 extern 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;
159 unsigned int stride[2];
160 unsigned long base[3];
166 extern unsigned int tegra_dc_format(uint32_t format);
167 extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
168 const struct tegra_dc_window *window);
169 extern void tegra_dc_enable_vblank(struct tegra_dc *dc);
170 extern void tegra_dc_disable_vblank(struct tegra_dc *dc);
171 extern void tegra_dc_cancel_page_flip(struct drm_crtc *crtc,
172 struct drm_file *file);
174 struct tegra_output_ops {
175 int (*enable)(struct tegra_output *output);
176 int (*disable)(struct tegra_output *output);
177 int (*setup_clock)(struct tegra_output *output, struct clk *clk,
179 int (*check_mode)(struct tegra_output *output,
180 struct drm_display_mode *mode,
181 enum drm_mode_status *status);
182 enum drm_connector_status (*detect)(struct tegra_output *output);
185 enum tegra_output_type {
192 struct tegra_output {
193 struct device_node *of_node;
196 const struct tegra_output_ops *ops;
197 enum tegra_output_type type;
199 struct drm_panel *panel;
200 struct i2c_adapter *ddc;
201 const struct edid *edid;
202 unsigned int hpd_irq;
205 struct drm_encoder encoder;
206 struct drm_connector connector;
209 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
211 return container_of(e, struct tegra_output, encoder);
214 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
216 return container_of(c, struct tegra_output, connector);
219 static inline int tegra_output_enable(struct tegra_output *output)
221 if (output && output->ops && output->ops->enable)
222 return output->ops->enable(output);
224 return output ? -ENOSYS : -EINVAL;
227 static inline int tegra_output_disable(struct tegra_output *output)
229 if (output && output->ops && output->ops->disable)
230 return output->ops->disable(output);
232 return output ? -ENOSYS : -EINVAL;
235 static inline int tegra_output_setup_clock(struct tegra_output *output,
236 struct clk *clk, unsigned long pclk)
238 if (output && output->ops && output->ops->setup_clock)
239 return output->ops->setup_clock(output, clk, pclk);
241 return output ? -ENOSYS : -EINVAL;
244 static inline int tegra_output_check_mode(struct tegra_output *output,
245 struct drm_display_mode *mode,
246 enum drm_mode_status *status)
248 if (output && output->ops && output->ops->check_mode)
249 return output->ops->check_mode(output, mode, status);
251 return output ? -ENOSYS : -EINVAL;
255 int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device);
256 void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device);
259 extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
260 extern int tegra_dc_rgb_remove(struct tegra_dc *dc);
261 extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
262 extern int tegra_dc_rgb_exit(struct tegra_dc *dc);
265 extern int tegra_output_probe(struct tegra_output *output);
266 extern int tegra_output_remove(struct tegra_output *output);
267 extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
268 extern int tegra_output_exit(struct tegra_output *output);
276 struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np);
277 enum drm_connector_status tegra_dpaux_detect(struct tegra_dpaux *dpaux);
278 int tegra_dpaux_attach(struct tegra_dpaux *dpaux, struct tegra_output *output);
279 int tegra_dpaux_detach(struct tegra_dpaux *dpaux);
280 int tegra_dpaux_enable(struct tegra_dpaux *dpaux);
281 int tegra_dpaux_disable(struct tegra_dpaux *dpaux);
282 int tegra_dpaux_prepare(struct tegra_dpaux *dpaux, u8 encoding);
283 int tegra_dpaux_train(struct tegra_dpaux *dpaux, struct drm_dp_link *link,
287 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
289 bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
290 bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer);
291 extern int tegra_drm_fb_init(struct drm_device *drm);
292 extern void tegra_drm_fb_exit(struct drm_device *drm);
293 #ifdef CONFIG_DRM_TEGRA_FBDEV
294 extern void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
297 extern struct platform_driver tegra_dc_driver;
298 extern struct platform_driver tegra_dsi_driver;
299 extern struct platform_driver tegra_sor_driver;
300 extern struct platform_driver tegra_hdmi_driver;
301 extern struct platform_driver tegra_dpaux_driver;
302 extern struct platform_driver tegra_gr2d_driver;
303 extern struct platform_driver tegra_gr3d_driver;
305 #endif /* HOST1X_DRM_H */