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10#ifndef HOST1X_DRM_H
11#define HOST1X_DRM_H 1
12
13#include <uapi/drm/tegra_drm.h>
14#include <linux/host1x.h>
15#include <linux/iova.h>
16#include <linux/of_gpio.h>
17
18#include <drm/drmP.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>
25
26#include "gem.h"
27#include "hub.h"
28#include "trace.h"
29
30struct reset_control;
31
32struct tegra_fb {
33 struct drm_framebuffer base;
34 struct tegra_bo **planes;
35 unsigned int num_planes;
36};
37
38#ifdef CONFIG_DRM_FBDEV_EMULATION
39struct tegra_fbdev {
40 struct drm_fb_helper base;
41 struct tegra_fb *fb;
42};
43#endif
44
45struct tegra_drm {
46 struct drm_device *drm;
47
48 struct iommu_domain *domain;
49 struct iommu_group *group;
50 struct mutex mm_lock;
51 struct drm_mm mm;
52
53 struct {
54 struct iova_domain domain;
55 unsigned long shift;
56 unsigned long limit;
57 } carveout;
58
59 struct mutex clients_lock;
60 struct list_head clients;
61
62#ifdef CONFIG_DRM_FBDEV_EMULATION
63 struct tegra_fbdev *fbdev;
64#endif
65
66 unsigned int pitch_align;
67
68 struct tegra_display_hub *hub;
69
70 struct drm_atomic_state *state;
71};
72
73struct tegra_drm_client;
74
75struct tegra_drm_context {
76 struct tegra_drm_client *client;
77 struct host1x_channel *channel;
78 unsigned int id;
79};
80
81struct 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);
90};
91
92int tegra_drm_submit(struct tegra_drm_context *context,
93 struct drm_tegra_submit *args, struct drm_device *drm,
94 struct drm_file *file);
95
96struct tegra_drm_client {
97 struct host1x_client base;
98 struct list_head list;
99
100 const struct tegra_drm_client_ops *ops;
101};
102
103static inline struct tegra_drm_client *
104host1x_to_drm_client(struct host1x_client *client)
105{
106 return container_of(client, struct tegra_drm_client, base);
107}
108
109int tegra_drm_register_client(struct tegra_drm *tegra,
110 struct tegra_drm_client *client);
111int tegra_drm_unregister_client(struct tegra_drm *tegra,
112 struct tegra_drm_client *client);
113
114int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
115int tegra_drm_exit(struct tegra_drm *tegra);
116
117void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova);
118void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
119 dma_addr_t iova);
120
121struct cec_notifier;
122
123struct tegra_output {
124 struct device_node *of_node;
125 struct device *dev;
126
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;
132 int hpd_gpio;
133 enum of_gpio_flags hpd_gpio_flags;
134
135 struct drm_encoder encoder;
136 struct drm_connector connector;
137};
138
139static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
140{
141 return container_of(e, struct tegra_output, encoder);
142}
143
144static inline struct tegra_output *connector_to_output(struct drm_connector *c)
145{
146 return container_of(c, struct tegra_output, connector);
147}
148
149
150int tegra_output_probe(struct tegra_output *output);
151void tegra_output_remove(struct tegra_output *output);
152int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
153void tegra_output_exit(struct tegra_output *output);
154void tegra_output_find_possible_crtcs(struct tegra_output *output,
155 struct drm_device *drm);
156
157int tegra_output_connector_get_modes(struct drm_connector *connector);
158enum drm_connector_status
159tegra_output_connector_detect(struct drm_connector *connector, bool force);
160void tegra_output_connector_destroy(struct drm_connector *connector);
161
162void tegra_output_encoder_destroy(struct drm_encoder *encoder);
163
164
165struct drm_dp_link;
166
167struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
168enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
169int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output);
170int drm_dp_aux_detach(struct drm_dp_aux *aux);
171int drm_dp_aux_enable(struct drm_dp_aux *aux);
172int drm_dp_aux_disable(struct drm_dp_aux *aux);
173int drm_dp_aux_prepare(struct drm_dp_aux *aux, u8 encoding);
174int drm_dp_aux_train(struct drm_dp_aux *aux, struct drm_dp_link *link,
175 u8 pattern);
176
177
178struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
179 unsigned int index);
180bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
181int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
182 struct tegra_bo_tiling *tiling);
183struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
184 struct drm_file *file,
185 const struct drm_mode_fb_cmd2 *cmd);
186int tegra_drm_fb_prepare(struct drm_device *drm);
187void tegra_drm_fb_free(struct drm_device *drm);
188int tegra_drm_fb_init(struct drm_device *drm);
189void tegra_drm_fb_exit(struct drm_device *drm);
190void tegra_drm_fb_suspend(struct drm_device *drm);
191void tegra_drm_fb_resume(struct drm_device *drm);
192
193extern struct platform_driver tegra_display_hub_driver;
194extern struct platform_driver tegra_dc_driver;
195extern struct platform_driver tegra_hdmi_driver;
196extern struct platform_driver tegra_dsi_driver;
197extern struct platform_driver tegra_dpaux_driver;
198extern struct platform_driver tegra_sor_driver;
199extern struct platform_driver tegra_gr2d_driver;
200extern struct platform_driver tegra_gr3d_driver;
201extern struct platform_driver tegra_vic_driver;
202
203#endif
204
