1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2012 Avionic Design GmbH
4 * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved.
10 #include <linux/host1x.h>
11 #include <linux/iova.h>
12 #include <linux/gpio/consumer.h>
14 #include <drm/drm_atomic.h>
15 #include <drm/drm_bridge.h>
16 #include <drm/drm_edid.h>
17 #include <drm/drm_encoder.h>
18 #include <drm/drm_fb_helper.h>
19 #include <drm/drm_fixed.h>
20 #include <drm/drm_probe_helper.h>
21 #include <uapi/drm/tegra_drm.h>
27 /* XXX move to include/uapi/drm/drm_fourcc.h? */
28 #define DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT BIT(22)
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 bool use_explicit_iommu;
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 hmask, vmask;
61 unsigned int pitch_align;
62 unsigned int num_crtcs;
64 struct tegra_display_hub *hub;
67 struct tegra_drm_client;
69 struct tegra_drm_context {
70 struct tegra_drm_client *client;
71 struct host1x_channel *channel;
75 struct tegra_drm_client_ops {
76 int (*open_channel)(struct tegra_drm_client *client,
77 struct tegra_drm_context *context);
78 void (*close_channel)(struct tegra_drm_context *context);
79 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
80 int (*is_valid_class)(u32 class);
81 int (*submit)(struct tegra_drm_context *context,
82 struct drm_tegra_submit *args, struct drm_device *drm,
83 struct drm_file *file);
86 int tegra_drm_submit(struct tegra_drm_context *context,
87 struct drm_tegra_submit *args, struct drm_device *drm,
88 struct drm_file *file);
90 struct tegra_drm_client {
91 struct host1x_client base;
92 struct list_head list;
93 struct tegra_drm *drm;
96 const struct tegra_drm_client_ops *ops;
99 static inline struct tegra_drm_client *
100 host1x_to_drm_client(struct host1x_client *client)
102 return container_of(client, struct tegra_drm_client, base);
105 int tegra_drm_register_client(struct tegra_drm *tegra,
106 struct tegra_drm_client *client);
107 int tegra_drm_unregister_client(struct tegra_drm *tegra,
108 struct tegra_drm_client *client);
109 int host1x_client_iommu_attach(struct host1x_client *client);
110 void host1x_client_iommu_detach(struct host1x_client *client);
112 int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
113 int tegra_drm_exit(struct tegra_drm *tegra);
115 void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);
116 void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
121 struct tegra_output {
122 struct device_node *of_node;
125 struct drm_bridge *bridge;
126 struct drm_panel *panel;
127 struct i2c_adapter *ddc;
128 const struct edid *edid;
129 struct cec_notifier *cec;
130 unsigned int hpd_irq;
131 struct gpio_desc *hpd_gpio;
133 struct drm_encoder encoder;
134 struct drm_connector connector;
137 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
139 return container_of(e, struct tegra_output, encoder);
142 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
144 return container_of(c, struct tegra_output, connector);
148 int tegra_output_probe(struct tegra_output *output);
149 void tegra_output_remove(struct tegra_output *output);
150 int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
151 void tegra_output_exit(struct tegra_output *output);
152 void tegra_output_find_possible_crtcs(struct tegra_output *output,
153 struct drm_device *drm);
154 int tegra_output_suspend(struct tegra_output *output);
155 int tegra_output_resume(struct tegra_output *output);
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);
163 struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
164 enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
165 int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
166 int drm_dp_aux_detach(struct drm_dp_aux *aux);
167 int drm_dp_aux_enable(struct drm_dp_aux *aux);
168 int drm_dp_aux_disable(struct drm_dp_aux *aux);
171 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
173 bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
174 int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
175 struct tegra_bo_tiling *tiling);
176 struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
177 struct drm_file *file,
178 const struct drm_mode_fb_cmd2 *cmd);
179 int tegra_drm_fb_prepare(struct drm_device *drm);
180 void tegra_drm_fb_free(struct drm_device *drm);
181 int tegra_drm_fb_init(struct drm_device *drm);
182 void tegra_drm_fb_exit(struct drm_device *drm);
184 extern struct platform_driver tegra_display_hub_driver;
185 extern struct platform_driver tegra_dc_driver;
186 extern struct platform_driver tegra_hdmi_driver;
187 extern struct platform_driver tegra_dsi_driver;
188 extern struct platform_driver tegra_dpaux_driver;
189 extern struct platform_driver tegra_sor_driver;
190 extern struct platform_driver tegra_gr2d_driver;
191 extern struct platform_driver tegra_gr3d_driver;
192 extern struct platform_driver tegra_vic_driver;
194 #endif /* HOST1X_DRM_H */