This source file includes following definitions.
- host1x_to_drm_client
- encoder_to_output
- connector_to_output
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7 #ifndef HOST1X_DRM_H
8 #define HOST1X_DRM_H 1
9
10 #include <linux/host1x.h>
11 #include <linux/iova.h>
12 #include <linux/of_gpio.h>
13
14 #include <drm/drm_atomic.h>
15 #include <drm/drm_edid.h>
16 #include <drm/drm_encoder.h>
17 #include <drm/drm_fb_helper.h>
18 #include <drm/drm_fixed.h>
19 #include <drm/drm_probe_helper.h>
20 #include <uapi/drm/tegra_drm.h>
21
22 #include "gem.h"
23 #include "hub.h"
24 #include "trace.h"
25
26 struct reset_control;
27
28 #ifdef CONFIG_DRM_FBDEV_EMULATION
29 struct tegra_fbdev {
30 struct drm_fb_helper base;
31 struct drm_framebuffer *fb;
32 };
33 #endif
34
35 struct tegra_drm {
36 struct drm_device *drm;
37
38 struct iommu_domain *domain;
39 struct iommu_group *group;
40 struct mutex mm_lock;
41 struct drm_mm mm;
42
43 struct {
44 struct iova_domain domain;
45 unsigned long shift;
46 unsigned long limit;
47 } carveout;
48
49 struct mutex clients_lock;
50 struct list_head clients;
51
52 #ifdef CONFIG_DRM_FBDEV_EMULATION
53 struct tegra_fbdev *fbdev;
54 #endif
55
56 unsigned int pitch_align;
57
58 struct tegra_display_hub *hub;
59 };
60
61 struct tegra_drm_client;
62
63 struct tegra_drm_context {
64 struct tegra_drm_client *client;
65 struct host1x_channel *channel;
66 unsigned int id;
67 };
68
69 struct tegra_drm_client_ops {
70 int (*open_channel)(struct tegra_drm_client *client,
71 struct tegra_drm_context *context);
72 void (*close_channel)(struct tegra_drm_context *context);
73 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
74 int (*is_valid_class)(u32 class);
75 int (*submit)(struct tegra_drm_context *context,
76 struct drm_tegra_submit *args, struct drm_device *drm,
77 struct drm_file *file);
78 };
79
80 int tegra_drm_submit(struct tegra_drm_context *context,
81 struct drm_tegra_submit *args, struct drm_device *drm,
82 struct drm_file *file);
83
84 struct tegra_drm_client {
85 struct host1x_client base;
86 struct list_head list;
87 struct tegra_drm *drm;
88
89 unsigned int version;
90 const struct tegra_drm_client_ops *ops;
91 };
92
93 static inline struct tegra_drm_client *
94 host1x_to_drm_client(struct host1x_client *client)
95 {
96 return container_of(client, struct tegra_drm_client, base);
97 }
98
99 int tegra_drm_register_client(struct tegra_drm *tegra,
100 struct tegra_drm_client *client);
101 int tegra_drm_unregister_client(struct tegra_drm *tegra,
102 struct tegra_drm_client *client);
103 struct iommu_group *host1x_client_iommu_attach(struct host1x_client *client,
104 bool shared);
105 void host1x_client_iommu_detach(struct host1x_client *client,
106 struct iommu_group *group);
107
108 int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
109 int tegra_drm_exit(struct tegra_drm *tegra);
110
111 void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);
112 void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
113 dma_addr_t iova);
114
115 struct cec_notifier;
116
117 struct tegra_output {
118 struct device_node *of_node;
119 struct device *dev;
120
121 struct drm_panel *panel;
122 struct i2c_adapter *ddc;
123 const struct edid *edid;
124 struct cec_notifier *cec;
125 unsigned int hpd_irq;
126 struct gpio_desc *hpd_gpio;
127
128 struct drm_encoder encoder;
129 struct drm_connector connector;
130 };
131
132 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
133 {
134 return container_of(e, struct tegra_output, encoder);
135 }
136
137 static inline struct tegra_output *connector_to_output(struct drm_connector *c)
138 {
139 return container_of(c, struct tegra_output, connector);
140 }
141
142
143 int tegra_output_probe(struct tegra_output *output);
144 void tegra_output_remove(struct tegra_output *output);
145 int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
146 void tegra_output_exit(struct tegra_output *output);
147 void tegra_output_find_possible_crtcs(struct tegra_output *output,
148 struct drm_device *drm);
149
150 int tegra_output_connector_get_modes(struct drm_connector *connector);
151 enum drm_connector_status
152 tegra_output_connector_detect(struct drm_connector *connector, bool force);
153 void tegra_output_connector_destroy(struct drm_connector *connector);
154
155 void tegra_output_encoder_destroy(struct drm_encoder *encoder);
156
157
158 struct drm_dp_link;
159
160 struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
161 enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
162 int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
163 int drm_dp_aux_detach(struct drm_dp_aux *aux);
164 int drm_dp_aux_enable(struct drm_dp_aux *aux);
165 int drm_dp_aux_disable(struct drm_dp_aux *aux);
166 int drm_dp_aux_prepare(struct drm_dp_aux *aux, u8 encoding);
167 int drm_dp_aux_train(struct drm_dp_aux *aux, struct drm_dp_link *link,
168 u8 pattern);
169
170
171 struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
172 unsigned int index);
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);
183
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;
193
194 #endif