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>
15 #include <linux/of_gpio.h>
18 #include <drm/drm_crtc_helper.h>
19 #include <drm/drm_edid.h>
20 #include <drm/drm_encoder.h>
21 #include <drm/drm_fb_helper.h>
22 #include <drm/drm_fixed.h>
29 struct drm_framebuffer base;
30 struct tegra_bo **planes;
31 unsigned int num_planes;
34 #ifdef CONFIG_DRM_FBDEV_EMULATION
36 struct drm_fb_helper base;
42 struct drm_device *drm;
44 struct iommu_domain *domain;
48 struct mutex clients_lock;
49 struct list_head clients;
51 #ifdef CONFIG_DRM_FBDEV_EMULATION
52 struct tegra_fbdev *fbdev;
55 unsigned int pitch_align;
58 struct drm_atomic_state *state;
59 struct work_struct work;
63 struct drm_atomic_state *state;
66 struct tegra_drm_client;
68 struct tegra_drm_context {
69 struct tegra_drm_client *client;
70 struct host1x_channel *channel;
74 struct tegra_drm_client_ops {
75 int (*open_channel)(struct tegra_drm_client *client,
76 struct tegra_drm_context *context);
77 void (*close_channel)(struct tegra_drm_context *context);
78 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
79 int (*submit)(struct tegra_drm_context *context,
80 struct drm_tegra_submit *args, struct drm_device *drm,
81 struct drm_file *file);
84 int tegra_drm_submit(struct tegra_drm_context *context,
85 struct drm_tegra_submit *args, struct drm_device *drm,
86 struct drm_file *file);
88 struct tegra_drm_client {
89 struct host1x_client base;
90 struct list_head list;
92 const struct tegra_drm_client_ops *ops;
95 static inline struct tegra_drm_client *
96 host1x_to_drm_client(struct host1x_client *client)
98 return container_of(client, struct tegra_drm_client, base);
101 int tegra_drm_register_client(struct tegra_drm *tegra,
102 struct tegra_drm_client *client);
103 int tegra_drm_unregister_client(struct tegra_drm *tegra,
104 struct tegra_drm_client *client);
106 int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
107 int tegra_drm_exit(struct tegra_drm *tegra);
109 struct tegra_dc_soc_info;
112 struct tegra_dc_stats {
113 unsigned long frames;
114 unsigned long vblank;
115 unsigned long underflow;
116 unsigned long overflow;
120 struct host1x_client client;
121 struct host1x_syncpt *syncpt;
125 struct drm_crtc base;
126 unsigned int powergate;
130 struct reset_control *rst;
134 struct tegra_output *rgb;
136 struct tegra_dc_stats stats;
137 struct list_head list;
139 struct drm_info_list *debugfs_files;
140 struct drm_minor *minor;
141 struct dentry *debugfs;
143 /* page-flip handling */
144 struct drm_pending_vblank_event *event;
146 const struct tegra_dc_soc_info *soc;
148 struct iommu_domain *domain;
151 static inline struct tegra_dc *
152 host1x_client_to_dc(struct host1x_client *client)
154 return container_of(client, struct tegra_dc, client);
157 static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
159 return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
162 static inline void tegra_dc_writel(struct tegra_dc *dc, u32 value,
163 unsigned long offset)
165 writel(value, dc->regs + (offset << 2));
168 static inline u32 tegra_dc_readl(struct tegra_dc *dc, unsigned long offset)
170 return readl(dc->regs + (offset << 2));
173 struct tegra_dc_window {
186 unsigned int bits_per_pixel;
187 unsigned int stride[2];
188 unsigned long base[3];
191 struct tegra_bo_tiling tiling;
197 u32 tegra_dc_get_vblank_counter(struct tegra_dc *dc);
198 void tegra_dc_enable_vblank(struct tegra_dc *dc);
199 void tegra_dc_disable_vblank(struct tegra_dc *dc);
200 void tegra_dc_commit(struct tegra_dc *dc);
201 int tegra_dc_state_setup_clock(struct tegra_dc *dc,
202 struct drm_crtc_state *crtc_state,
203 struct clk *clk, unsigned long pclk,
206 struct tegra_output {
207 struct device_node *of_node;
210 struct drm_panel *panel;
211 struct i2c_adapter *ddc;
212 const struct edid *edid;
213 unsigned int hpd_irq;
215 enum of_gpio_flags hpd_gpio_flags;
217 struct drm_encoder encoder;
218 struct drm_connector connector;
221 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
223 return container_of(e, struct tegra_output, encoder);
226 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
228 return container_of(c, struct tegra_output, connector);
232 int tegra_dc_rgb_probe(struct tegra_dc *dc);
233 int tegra_dc_rgb_remove(struct tegra_dc *dc);
234 int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
235 int tegra_dc_rgb_exit(struct tegra_dc *dc);
238 int tegra_output_probe(struct tegra_output *output);
239 void tegra_output_remove(struct tegra_output *output);
240 int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
241 void tegra_output_exit(struct tegra_output *output);
243 int tegra_output_connector_get_modes(struct drm_connector *connector);
244 enum drm_connector_status
245 tegra_output_connector_detect(struct drm_connector *connector, bool force);
246 void tegra_output_connector_destroy(struct drm_connector *connector);
248 void tegra_output_encoder_destroy(struct drm_encoder *encoder);
253 struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
254 enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
255 int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
256 int drm_dp_aux_detach(struct drm_dp_aux *aux);
257 int drm_dp_aux_enable(struct drm_dp_aux *aux);
258 int drm_dp_aux_disable(struct drm_dp_aux *aux);
259 int drm_dp_aux_prepare(struct drm_dp_aux *aux, u8 encoding);
260 int drm_dp_aux_train(struct drm_dp_aux *aux, struct drm_dp_link *link,
264 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
266 bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
267 int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
268 struct tegra_bo_tiling *tiling);
269 struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
270 struct drm_file *file,
271 const struct drm_mode_fb_cmd2 *cmd);
272 int tegra_drm_fb_prepare(struct drm_device *drm);
273 void tegra_drm_fb_free(struct drm_device *drm);
274 int tegra_drm_fb_init(struct drm_device *drm);
275 void tegra_drm_fb_exit(struct drm_device *drm);
276 void tegra_drm_fb_suspend(struct drm_device *drm);
277 void tegra_drm_fb_resume(struct drm_device *drm);
278 #ifdef CONFIG_DRM_FBDEV_EMULATION
279 void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
280 void tegra_fb_output_poll_changed(struct drm_device *drm);
283 extern struct platform_driver tegra_dc_driver;
284 extern struct platform_driver tegra_hdmi_driver;
285 extern struct platform_driver tegra_dsi_driver;
286 extern struct platform_driver tegra_dpaux_driver;
287 extern struct platform_driver tegra_sor_driver;
288 extern struct platform_driver tegra_gr2d_driver;
289 extern struct platform_driver tegra_gr3d_driver;
291 #endif /* HOST1X_DRM_H */