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_edid.h>
21 #include <drm/drm_encoder.h>
22 #include <drm/drm_fb_helper.h>
23 #include <drm/drm_fixed.h>
24 #include <drm/drm_probe_helper.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
;
91 struct tegra_drm
*drm
;
94 const struct tegra_drm_client_ops
*ops
;
97 static inline struct tegra_drm_client
*
98 host1x_to_drm_client(struct host1x_client
*client
)
100 return container_of(client
, struct tegra_drm_client
, base
);
103 int tegra_drm_register_client(struct tegra_drm
*tegra
,
104 struct tegra_drm_client
*client
);
105 int tegra_drm_unregister_client(struct tegra_drm
*tegra
,
106 struct tegra_drm_client
*client
);
107 struct iommu_group
*host1x_client_iommu_attach(struct host1x_client
*client
,
109 void host1x_client_iommu_detach(struct host1x_client
*client
,
110 struct iommu_group
*group
);
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_panel
*panel
;
126 struct i2c_adapter
*ddc
;
127 const struct edid
*edid
;
128 struct cec_notifier
*cec
;
129 unsigned int hpd_irq
;
131 enum of_gpio_flags hpd_gpio_flags
;
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
);
155 int tegra_output_connector_get_modes(struct drm_connector
*connector
);
156 enum drm_connector_status
157 tegra_output_connector_detect(struct drm_connector
*connector
, bool force
);
158 void tegra_output_connector_destroy(struct drm_connector
*connector
);
160 void tegra_output_encoder_destroy(struct drm_encoder
*encoder
);
165 struct drm_dp_aux
*drm_dp_aux_find_by_of_node(struct device_node
*np
);
166 enum drm_connector_status
drm_dp_aux_detect(struct drm_dp_aux
*aux
);
167 int drm_dp_aux_attach(struct drm_dp_aux
*aux
, struct tegra_output
*output
);
168 int drm_dp_aux_detach(struct drm_dp_aux
*aux
);
169 int drm_dp_aux_enable(struct drm_dp_aux
*aux
);
170 int drm_dp_aux_disable(struct drm_dp_aux
*aux
);
171 int drm_dp_aux_prepare(struct drm_dp_aux
*aux
, u8 encoding
);
172 int drm_dp_aux_train(struct drm_dp_aux
*aux
, struct drm_dp_link
*link
,
176 struct tegra_bo
*tegra_fb_get_plane(struct drm_framebuffer
*framebuffer
,
178 bool tegra_fb_is_bottom_up(struct drm_framebuffer
*framebuffer
);
179 int tegra_fb_get_tiling(struct drm_framebuffer
*framebuffer
,
180 struct tegra_bo_tiling
*tiling
);
181 struct drm_framebuffer
*tegra_fb_create(struct drm_device
*drm
,
182 struct drm_file
*file
,
183 const struct drm_mode_fb_cmd2
*cmd
);
184 int tegra_drm_fb_prepare(struct drm_device
*drm
);
185 void tegra_drm_fb_free(struct drm_device
*drm
);
186 int tegra_drm_fb_init(struct drm_device
*drm
);
187 void tegra_drm_fb_exit(struct drm_device
*drm
);
189 extern struct platform_driver tegra_display_hub_driver
;
190 extern struct platform_driver tegra_dc_driver
;
191 extern struct platform_driver tegra_hdmi_driver
;
192 extern struct platform_driver tegra_dsi_driver
;
193 extern struct platform_driver tegra_dpaux_driver
;
194 extern struct platform_driver tegra_sor_driver
;
195 extern struct platform_driver tegra_gr2d_driver
;
196 extern struct platform_driver tegra_gr3d_driver
;
197 extern struct platform_driver tegra_vic_driver
;
199 #endif /* HOST1X_DRM_H */