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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
16#include <drm/drmP.h>
17#include <drm/drm_crtc_helper.h>
18#include <drm/drm_edid.h>
19#include <drm/drm_fb_helper.h>
20#include <drm/drm_fixed.h>
21
22#include "gem.h"
23
24struct reset_control;
25
26struct tegra_fb {
27 struct drm_framebuffer base;
28 struct tegra_bo **planes;
29 unsigned int num_planes;
30};
31
32#ifdef CONFIG_DRM_TEGRA_FBDEV
33struct tegra_fbdev {
34 struct drm_fb_helper base;
35 struct tegra_fb *fb;
36};
37#endif
38
39struct tegra_drm {
40 struct drm_device *drm;
41
42 struct iommu_domain *domain;
43 struct drm_mm mm;
44
45 struct mutex clients_lock;
46 struct list_head clients;
47
48#ifdef CONFIG_DRM_TEGRA_FBDEV
49 struct tegra_fbdev *fbdev;
50#endif
51
52 unsigned int pitch_align;
53
54 struct {
55 struct drm_atomic_state *state;
56 struct work_struct work;
57 struct mutex lock;
58 } commit;
59};
60
61struct tegra_drm_client;
62
63struct tegra_drm_context {
64 struct tegra_drm_client *client;
65 struct host1x_channel *channel;
66 struct list_head list;
67};
68
69struct 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 (*submit)(struct tegra_drm_context *context,
75 struct drm_tegra_submit *args, struct drm_device *drm,
76 struct drm_file *file);
77};
78
79int tegra_drm_submit(struct tegra_drm_context *context,
80 struct drm_tegra_submit *args, struct drm_device *drm,
81 struct drm_file *file);
82
83struct tegra_drm_client {
84 struct host1x_client base;
85 struct list_head list;
86
87 const struct tegra_drm_client_ops *ops;
88};
89
90static inline struct tegra_drm_client *
91host1x_to_drm_client(struct host1x_client *client)
92{
93 return container_of(client, struct tegra_drm_client, base);
94}
95
96int tegra_drm_register_client(struct tegra_drm *tegra,
97 struct tegra_drm_client *client);
98int tegra_drm_unregister_client(struct tegra_drm *tegra,
99 struct tegra_drm_client *client);
100
101int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
102int tegra_drm_exit(struct tegra_drm *tegra);
103
104struct tegra_dc_soc_info;
105struct tegra_output;
106
107struct tegra_dc {
108 struct host1x_client client;
109 struct host1x_syncpt *syncpt;
110 struct device *dev;
111 spinlock_t lock;
112
113 struct drm_crtc base;
114 int powergate;
115 int pipe;
116
117 struct clk *clk;
118 struct reset_control *rst;
119 void __iomem *regs;
120 int irq;
121
122 struct tegra_output *rgb;
123
124 struct list_head list;
125
126 struct drm_info_list *debugfs_files;
127 struct drm_minor *minor;
128 struct dentry *debugfs;
129
130
131 struct drm_pending_vblank_event *event;
132
133 const struct tegra_dc_soc_info *soc;
134
135 struct iommu_domain *domain;
136};
137
138static inline struct tegra_dc *
139host1x_client_to_dc(struct host1x_client *client)
140{
141 return container_of(client, struct tegra_dc, client);
142}
143
144static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
145{
146 return crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
147}
148
149static inline void tegra_dc_writel(struct tegra_dc *dc, u32 value,
150 unsigned long offset)
151{
152 writel(value, dc->regs + (offset << 2));
153}
154
155static inline u32 tegra_dc_readl(struct tegra_dc *dc, unsigned long offset)
156{
157 return readl(dc->regs + (offset << 2));
158}
159
160struct tegra_dc_window {
161 struct {
162 unsigned int x;
163 unsigned int y;
164 unsigned int w;
165 unsigned int h;
166 } src;
167 struct {
168 unsigned int x;
169 unsigned int y;
170 unsigned int w;
171 unsigned int h;
172 } dst;
173 unsigned int bits_per_pixel;
174 unsigned int stride[2];
175 unsigned long base[3];
176 bool bottom_up;
177
178 struct tegra_bo_tiling tiling;
179 u32 format;
180 u32 swap;
181};
182
183
184u32 tegra_dc_get_vblank_counter(struct tegra_dc *dc);
185void tegra_dc_enable_vblank(struct tegra_dc *dc);
186void tegra_dc_disable_vblank(struct tegra_dc *dc);
187void tegra_dc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file);
188void tegra_dc_commit(struct tegra_dc *dc);
189int tegra_dc_state_setup_clock(struct tegra_dc *dc,
190 struct drm_crtc_state *crtc_state,
191 struct clk *clk, unsigned long pclk,
192 unsigned int div);
193
194struct tegra_output {
195 struct device_node *of_node;
196 struct device *dev;
197
198 struct drm_panel *panel;
199 struct i2c_adapter *ddc;
200 const struct edid *edid;
201 unsigned int hpd_irq;
202 int hpd_gpio;
203
204 struct drm_encoder encoder;
205 struct drm_connector connector;
206};
207
208static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
209{
210 return container_of(e, struct tegra_output, encoder);
211}
212
213static inline struct tegra_output *connector_to_output(struct drm_connector *c)
214{
215 return container_of(c, struct tegra_output, connector);
216}
217
218
219int tegra_dc_rgb_probe(struct tegra_dc *dc);
220int tegra_dc_rgb_remove(struct tegra_dc *dc);
221int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
222int tegra_dc_rgb_exit(struct tegra_dc *dc);
223
224
225int tegra_output_probe(struct tegra_output *output);
226void tegra_output_remove(struct tegra_output *output);
227int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
228void tegra_output_exit(struct tegra_output *output);
229
230int tegra_output_connector_get_modes(struct drm_connector *connector);
231struct drm_encoder *
232tegra_output_connector_best_encoder(struct drm_connector *connector);
233enum drm_connector_status
234tegra_output_connector_detect(struct drm_connector *connector, bool force);
235void tegra_output_connector_destroy(struct drm_connector *connector);
236
237void tegra_output_encoder_destroy(struct drm_encoder *encoder);
238
239
240struct tegra_dpaux;
241struct drm_dp_link;
242
243struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np);
244enum drm_connector_status tegra_dpaux_detect(struct tegra_dpaux *dpaux);
245int tegra_dpaux_attach(struct tegra_dpaux *dpaux, struct tegra_output *output);
246int tegra_dpaux_detach(struct tegra_dpaux *dpaux);
247int tegra_dpaux_enable(struct tegra_dpaux *dpaux);
248int tegra_dpaux_disable(struct tegra_dpaux *dpaux);
249int tegra_dpaux_prepare(struct tegra_dpaux *dpaux, u8 encoding);
250int tegra_dpaux_train(struct tegra_dpaux *dpaux, struct drm_dp_link *link,
251 u8 pattern);
252
253
254struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
255 unsigned int index);
256bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
257int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
258 struct tegra_bo_tiling *tiling);
259struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
260 struct drm_file *file,
261 struct drm_mode_fb_cmd2 *cmd);
262int tegra_drm_fb_prepare(struct drm_device *drm);
263void tegra_drm_fb_free(struct drm_device *drm);
264int tegra_drm_fb_init(struct drm_device *drm);
265void tegra_drm_fb_exit(struct drm_device *drm);
266#ifdef CONFIG_DRM_TEGRA_FBDEV
267void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
268void tegra_fb_output_poll_changed(struct drm_device *drm);
269#endif
270
271extern struct platform_driver tegra_dc_driver;
272extern struct platform_driver tegra_dsi_driver;
273extern struct platform_driver tegra_sor_driver;
274extern struct platform_driver tegra_hdmi_driver;
275extern struct platform_driver tegra_dpaux_driver;
276extern struct platform_driver tegra_gr2d_driver;
277extern struct platform_driver tegra_gr3d_driver;
278
279#endif
280
