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/iova.h>
16 #include <linux/of_gpio.h>
19 #include <drm/drm_atomic.h>
20 #include <drm/drm_crtc_helper.h>
21 #include <drm/drm_edid.h>
22 #include <drm/drm_encoder.h>
23 #include <drm/drm_fb_helper.h>
24 #include <drm/drm_fixed.h>
33 struct drm_framebuffer base;
34 struct tegra_bo **planes;
35 unsigned int num_planes;
38 #ifdef CONFIG_DRM_FBDEV_EMULATION
40 struct drm_fb_helper base;
46 struct drm_device *drm;
48 struct iommu_domain *domain;
49 struct iommu_group *group;
54 struct iova_domain domain;
59 struct mutex clients_lock;
60 struct list_head clients;
62 #ifdef CONFIG_DRM_FBDEV_EMULATION
63 struct tegra_fbdev *fbdev;
66 unsigned int pitch_align;
68 struct tegra_display_hub *hub;
70 struct drm_atomic_state *state;
73 struct tegra_drm_client;
75 struct tegra_drm_context {
76 struct tegra_drm_client *client;
77 struct host1x_channel *channel;
81 struct tegra_drm_client_ops {
82 int (*open_channel)(struct tegra_drm_client *client,
83 struct tegra_drm_context *context);
84 void (*close_channel)(struct tegra_drm_context *context);
85 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
86 int (*is_valid_class)(u32 class);
87 int (*submit)(struct tegra_drm_context *context,
88 struct drm_tegra_submit *args, struct drm_device *drm,
89 struct drm_file *file);
92 int tegra_drm_submit(struct tegra_drm_context *context,
93 struct drm_tegra_submit *args, struct drm_device *drm,
94 struct drm_file *file);
96 struct tegra_drm_client {
97 struct host1x_client base;
98 struct list_head list;
100 const struct tegra_drm_client_ops *ops;
103 static inline struct tegra_drm_client *
104 host1x_to_drm_client(struct host1x_client *client)
106 return container_of(client, struct tegra_drm_client, base);
109 int tegra_drm_register_client(struct tegra_drm *tegra,
110 struct tegra_drm_client *client);
111 int tegra_drm_unregister_client(struct tegra_drm *tegra,
112 struct tegra_drm_client *client);
114 int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
115 int tegra_drm_exit(struct tegra_drm *tegra);
117 void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);
118 void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
123 struct tegra_output {
124 struct device_node *of_node;
127 struct drm_panel *panel;
128 struct i2c_adapter *ddc;
129 const struct edid *edid;
130 struct cec_notifier *notifier;
131 unsigned int hpd_irq;
133 enum of_gpio_flags hpd_gpio_flags;
135 struct drm_encoder encoder;
136 struct drm_connector connector;
139 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
141 return container_of(e, struct tegra_output, encoder);
144 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
146 return container_of(c, struct tegra_output, connector);
150 int tegra_output_probe(struct tegra_output *output);
151 void tegra_output_remove(struct tegra_output *output);
152 int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
153 void tegra_output_exit(struct tegra_output *output);
154 void tegra_output_find_possible_crtcs(struct tegra_output *output,
155 struct drm_device *drm);
157 int tegra_output_connector_get_modes(struct drm_connector *connector);
158 enum drm_connector_status
159 tegra_output_connector_detect(struct drm_connector *connector, bool force);
160 void tegra_output_connector_destroy(struct drm_connector *connector);
162 void tegra_output_encoder_destroy(struct drm_encoder *encoder);
167 struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
168 enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
169 int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
170 int drm_dp_aux_detach(struct drm_dp_aux *aux);
171 int drm_dp_aux_enable(struct drm_dp_aux *aux);
172 int drm_dp_aux_disable(struct drm_dp_aux *aux);
173 int drm_dp_aux_prepare(struct drm_dp_aux *aux, u8 encoding);
174 int drm_dp_aux_train(struct drm_dp_aux *aux, struct drm_dp_link *link,
178 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
180 bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
181 int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
182 struct tegra_bo_tiling *tiling);
183 struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
184 struct drm_file *file,
185 const struct drm_mode_fb_cmd2 *cmd);
186 int tegra_drm_fb_prepare(struct drm_device *drm);
187 void tegra_drm_fb_free(struct drm_device *drm);
188 int tegra_drm_fb_init(struct drm_device *drm);
189 void tegra_drm_fb_exit(struct drm_device *drm);
190 void tegra_drm_fb_suspend(struct drm_device *drm);
191 void tegra_drm_fb_resume(struct drm_device *drm);
193 extern struct platform_driver tegra_display_hub_driver;
194 extern struct platform_driver tegra_dc_driver;
195 extern struct platform_driver tegra_hdmi_driver;
196 extern struct platform_driver tegra_dsi_driver;
197 extern struct platform_driver tegra_dpaux_driver;
198 extern struct platform_driver tegra_sor_driver;
199 extern struct platform_driver tegra_gr2d_driver;
200 extern struct platform_driver tegra_gr3d_driver;
201 extern struct platform_driver tegra_vic_driver;
203 #endif /* HOST1X_DRM_H */