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>
32 #ifdef CONFIG_DRM_FBDEV_EMULATION
34 struct drm_fb_helper base;
35 struct drm_framebuffer *fb;
40 struct drm_device *drm;
42 struct iommu_domain *domain;
43 struct iommu_group *group;
48 struct iova_domain domain;
53 struct mutex clients_lock;
54 struct list_head clients;
56 #ifdef CONFIG_DRM_FBDEV_EMULATION
57 struct tegra_fbdev *fbdev;
60 unsigned int pitch_align;
62 struct tegra_display_hub *hub;
65 struct tegra_drm_client;
67 struct tegra_drm_context {
68 struct tegra_drm_client *client;
69 struct host1x_channel *channel;
73 struct tegra_drm_client_ops {
74 int (*open_channel)(struct tegra_drm_client *client,
75 struct tegra_drm_context *context);
76 void (*close_channel)(struct tegra_drm_context *context);
77 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
78 int (*is_valid_class)(u32 class);
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;
93 const struct tegra_drm_client_ops *ops;
96 static inline struct tegra_drm_client *
97 host1x_to_drm_client(struct host1x_client *client)
99 return container_of(client, struct tegra_drm_client, base);
102 int tegra_drm_register_client(struct tegra_drm *tegra,
103 struct tegra_drm_client *client);
104 int tegra_drm_unregister_client(struct tegra_drm *tegra,
105 struct tegra_drm_client *client);
106 struct iommu_group *host1x_client_iommu_attach(struct host1x_client *client,
108 void host1x_client_iommu_detach(struct host1x_client *client,
109 struct iommu_group *group);
111 int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
112 int tegra_drm_exit(struct tegra_drm *tegra);
114 void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);
115 void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
120 struct tegra_output {
121 struct device_node *of_node;
124 struct drm_panel *panel;
125 struct i2c_adapter *ddc;
126 const struct edid *edid;
127 struct cec_notifier *notifier;
128 unsigned int hpd_irq;
130 enum of_gpio_flags hpd_gpio_flags;
132 struct drm_encoder encoder;
133 struct drm_connector connector;
136 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
138 return container_of(e, struct tegra_output, encoder);
141 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
143 return container_of(c, struct tegra_output, connector);
147 int tegra_output_probe(struct tegra_output *output);
148 void tegra_output_remove(struct tegra_output *output);
149 int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
150 void tegra_output_exit(struct tegra_output *output);
151 void tegra_output_find_possible_crtcs(struct tegra_output *output,
152 struct drm_device *drm);
154 int tegra_output_connector_get_modes(struct drm_connector *connector);
155 enum drm_connector_status
156 tegra_output_connector_detect(struct drm_connector *connector, bool force);
157 void tegra_output_connector_destroy(struct drm_connector *connector);
159 void tegra_output_encoder_destroy(struct drm_encoder *encoder);
164 struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
165 enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
166 int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
167 int drm_dp_aux_detach(struct drm_dp_aux *aux);
168 int drm_dp_aux_enable(struct drm_dp_aux *aux);
169 int drm_dp_aux_disable(struct drm_dp_aux *aux);
170 int drm_dp_aux_prepare(struct drm_dp_aux *aux, u8 encoding);
171 int drm_dp_aux_train(struct drm_dp_aux *aux, struct drm_dp_link *link,
175 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
177 bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
178 int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
179 struct tegra_bo_tiling *tiling);
180 struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
181 struct drm_file *file,
182 const struct drm_mode_fb_cmd2 *cmd);
183 int tegra_drm_fb_prepare(struct drm_device *drm);
184 void tegra_drm_fb_free(struct drm_device *drm);
185 int tegra_drm_fb_init(struct drm_device *drm);
186 void tegra_drm_fb_exit(struct drm_device *drm);
188 extern struct platform_driver tegra_display_hub_driver;
189 extern struct platform_driver tegra_dc_driver;
190 extern struct platform_driver tegra_hdmi_driver;
191 extern struct platform_driver tegra_dsi_driver;
192 extern struct platform_driver tegra_dpaux_driver;
193 extern struct platform_driver tegra_sor_driver;
194 extern struct platform_driver tegra_gr2d_driver;
195 extern struct platform_driver tegra_gr3d_driver;
196 extern struct platform_driver tegra_vic_driver;
198 #endif /* HOST1X_DRM_H */