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>
27 struct drm_framebuffer base
;
28 struct tegra_bo
**planes
;
29 unsigned int num_planes
;
32 #ifdef CONFIG_DRM_TEGRA_FBDEV
34 struct drm_fb_helper base
;
40 struct drm_device
*drm
;
42 struct mutex clients_lock
;
43 struct list_head clients
;
45 #ifdef CONFIG_DRM_TEGRA_FBDEV
46 struct tegra_fbdev
*fbdev
;
49 unsigned int pitch_align
;
52 struct tegra_drm_client
;
54 struct tegra_drm_context
{
55 struct tegra_drm_client
*client
;
56 struct host1x_channel
*channel
;
57 struct list_head list
;
60 struct tegra_drm_client_ops
{
61 int (*open_channel
)(struct tegra_drm_client
*client
,
62 struct tegra_drm_context
*context
);
63 void (*close_channel
)(struct tegra_drm_context
*context
);
64 int (*is_addr_reg
)(struct device
*dev
, u32
class, u32 offset
);
65 int (*submit
)(struct tegra_drm_context
*context
,
66 struct drm_tegra_submit
*args
, struct drm_device
*drm
,
67 struct drm_file
*file
);
70 int tegra_drm_submit(struct tegra_drm_context
*context
,
71 struct drm_tegra_submit
*args
, struct drm_device
*drm
,
72 struct drm_file
*file
);
74 struct tegra_drm_client
{
75 struct host1x_client base
;
76 struct list_head list
;
78 const struct tegra_drm_client_ops
*ops
;
81 static inline struct tegra_drm_client
*
82 host1x_to_drm_client(struct host1x_client
*client
)
84 return container_of(client
, struct tegra_drm_client
, base
);
87 int tegra_drm_register_client(struct tegra_drm
*tegra
,
88 struct tegra_drm_client
*client
);
89 int tegra_drm_unregister_client(struct tegra_drm
*tegra
,
90 struct tegra_drm_client
*client
);
92 int tegra_drm_init(struct tegra_drm
*tegra
, struct drm_device
*drm
);
93 int tegra_drm_exit(struct tegra_drm
*tegra
);
95 struct tegra_dc_soc_info
;
99 struct host1x_client client
;
103 struct drm_crtc base
;
107 struct reset_control
*rst
;
111 struct tegra_output
*rgb
;
113 struct list_head list
;
115 struct drm_info_list
*debugfs_files
;
116 struct drm_minor
*minor
;
117 struct dentry
*debugfs
;
119 /* page-flip handling */
120 struct drm_pending_vblank_event
*event
;
122 const struct tegra_dc_soc_info
*soc
;
125 static inline struct tegra_dc
*
126 host1x_client_to_dc(struct host1x_client
*client
)
128 return container_of(client
, struct tegra_dc
, client
);
131 static inline struct tegra_dc
*to_tegra_dc(struct drm_crtc
*crtc
)
133 return crtc
? container_of(crtc
, struct tegra_dc
, base
) : NULL
;
136 static inline void tegra_dc_writel(struct tegra_dc
*dc
, unsigned long value
,
139 writel(value
, dc
->regs
+ (reg
<< 2));
142 static inline unsigned long tegra_dc_readl(struct tegra_dc
*dc
,
145 return readl(dc
->regs
+ (reg
<< 2));
148 struct tegra_dc_window
{
161 unsigned int bits_per_pixel
;
164 unsigned int stride
[2];
165 unsigned long base
[3];
168 struct tegra_bo_tiling tiling
;
172 void tegra_dc_enable_vblank(struct tegra_dc
*dc
);
173 void tegra_dc_disable_vblank(struct tegra_dc
*dc
);
174 void tegra_dc_cancel_page_flip(struct drm_crtc
*crtc
, struct drm_file
*file
);
176 struct tegra_output_ops
{
177 int (*enable
)(struct tegra_output
*output
);
178 int (*disable
)(struct tegra_output
*output
);
179 int (*setup_clock
)(struct tegra_output
*output
, struct clk
*clk
,
180 unsigned long pclk
, unsigned int *div
);
181 int (*check_mode
)(struct tegra_output
*output
,
182 struct drm_display_mode
*mode
,
183 enum drm_mode_status
*status
);
184 enum drm_connector_status (*detect
)(struct tegra_output
*output
);
187 enum tegra_output_type
{
194 struct tegra_output
{
195 struct device_node
*of_node
;
198 const struct tegra_output_ops
*ops
;
199 enum tegra_output_type type
;
201 struct drm_panel
*panel
;
202 struct i2c_adapter
*ddc
;
203 const struct edid
*edid
;
204 unsigned int hpd_irq
;
207 struct drm_encoder encoder
;
208 struct drm_connector connector
;
211 static inline struct tegra_output
*encoder_to_output(struct drm_encoder
*e
)
213 return container_of(e
, struct tegra_output
, encoder
);
216 static inline struct tegra_output
*connector_to_output(struct drm_connector
*c
)
218 return container_of(c
, struct tegra_output
, connector
);
221 static inline int tegra_output_enable(struct tegra_output
*output
)
223 if (output
&& output
->ops
&& output
->ops
->enable
)
224 return output
->ops
->enable(output
);
226 return output
? -ENOSYS
: -EINVAL
;
229 static inline int tegra_output_disable(struct tegra_output
*output
)
231 if (output
&& output
->ops
&& output
->ops
->disable
)
232 return output
->ops
->disable(output
);
234 return output
? -ENOSYS
: -EINVAL
;
237 static inline int tegra_output_setup_clock(struct tegra_output
*output
,
238 struct clk
*clk
, unsigned long pclk
,
241 if (output
&& output
->ops
&& output
->ops
->setup_clock
)
242 return output
->ops
->setup_clock(output
, clk
, pclk
, div
);
244 return output
? -ENOSYS
: -EINVAL
;
247 static inline int tegra_output_check_mode(struct tegra_output
*output
,
248 struct drm_display_mode
*mode
,
249 enum drm_mode_status
*status
)
251 if (output
&& output
->ops
&& output
->ops
->check_mode
)
252 return output
->ops
->check_mode(output
, mode
, status
);
254 return output
? -ENOSYS
: -EINVAL
;
258 int tegra_dc_rgb_probe(struct tegra_dc
*dc
);
259 int tegra_dc_rgb_remove(struct tegra_dc
*dc
);
260 int tegra_dc_rgb_init(struct drm_device
*drm
, struct tegra_dc
*dc
);
261 int tegra_dc_rgb_exit(struct tegra_dc
*dc
);
264 int tegra_output_probe(struct tegra_output
*output
);
265 int tegra_output_remove(struct tegra_output
*output
);
266 int tegra_output_init(struct drm_device
*drm
, struct tegra_output
*output
);
267 int tegra_output_exit(struct tegra_output
*output
);
273 struct tegra_dpaux
*tegra_dpaux_find_by_of_node(struct device_node
*np
);
274 enum drm_connector_status
tegra_dpaux_detect(struct tegra_dpaux
*dpaux
);
275 int tegra_dpaux_attach(struct tegra_dpaux
*dpaux
, struct tegra_output
*output
);
276 int tegra_dpaux_detach(struct tegra_dpaux
*dpaux
);
277 int tegra_dpaux_enable(struct tegra_dpaux
*dpaux
);
278 int tegra_dpaux_disable(struct tegra_dpaux
*dpaux
);
279 int tegra_dpaux_prepare(struct tegra_dpaux
*dpaux
, u8 encoding
);
280 int tegra_dpaux_train(struct tegra_dpaux
*dpaux
, struct drm_dp_link
*link
,
284 struct tegra_bo
*tegra_fb_get_plane(struct drm_framebuffer
*framebuffer
,
286 bool tegra_fb_is_bottom_up(struct drm_framebuffer
*framebuffer
);
287 int tegra_fb_get_tiling(struct drm_framebuffer
*framebuffer
,
288 struct tegra_bo_tiling
*tiling
);
289 int tegra_drm_fb_prepare(struct drm_device
*drm
);
290 int tegra_drm_fb_init(struct drm_device
*drm
);
291 void tegra_drm_fb_exit(struct drm_device
*drm
);
292 #ifdef CONFIG_DRM_TEGRA_FBDEV
293 void tegra_fbdev_restore_mode(struct tegra_fbdev
*fbdev
);
296 extern struct platform_driver tegra_dc_driver
;
297 extern struct platform_driver tegra_dsi_driver
;
298 extern struct platform_driver tegra_sor_driver
;
299 extern struct platform_driver tegra_hdmi_driver
;
300 extern struct platform_driver tegra_dpaux_driver
;
301 extern struct platform_driver tegra_gr2d_driver
;
302 extern struct platform_driver tegra_gr3d_driver
;
304 #endif /* HOST1X_DRM_H */