1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (C) 2012 Avionic Design GmbH |
4 | * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved. |
5 | */ |
6 | |
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/gpio/consumer.h> |
13 | |
14 | #include <drm/drm_atomic.h> |
15 | #include <drm/drm_bridge.h> |
16 | #include <drm/drm_encoder.h> |
17 | #include <drm/drm_fixed.h> |
18 | #include <drm/drm_probe_helper.h> |
19 | #include <uapi/drm/tegra_drm.h> |
20 | |
21 | #include "gem.h" |
22 | #include "hub.h" |
23 | #include "trace.h" |
24 | |
25 | /* XXX move to include/uapi/drm/drm_fourcc.h? */ |
26 | #define DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT BIT_ULL(22) |
27 | |
28 | struct edid; |
29 | struct reset_control; |
30 | |
31 | struct tegra_drm { |
32 | struct drm_device *drm; |
33 | |
34 | struct iommu_domain *domain; |
35 | bool use_explicit_iommu; |
36 | struct mutex mm_lock; |
37 | struct drm_mm mm; |
38 | |
39 | struct { |
40 | struct iova_domain domain; |
41 | unsigned long shift; |
42 | unsigned long limit; |
43 | } carveout; |
44 | |
45 | struct mutex clients_lock; |
46 | struct list_head clients; |
47 | |
48 | unsigned int hmask, vmask; |
49 | unsigned int pitch_align; |
50 | unsigned int num_crtcs; |
51 | |
52 | struct tegra_display_hub *hub; |
53 | }; |
54 | |
55 | static inline struct host1x *tegra_drm_to_host1x(struct tegra_drm *tegra) |
56 | { |
57 | return dev_get_drvdata(dev: tegra->drm->dev->parent); |
58 | } |
59 | |
60 | struct tegra_drm_client; |
61 | |
62 | struct tegra_drm_context { |
63 | struct tegra_drm_client *client; |
64 | struct host1x_channel *channel; |
65 | |
66 | /* Only used by legacy UAPI. */ |
67 | unsigned int id; |
68 | |
69 | /* Only used by new UAPI. */ |
70 | struct xarray mappings; |
71 | struct host1x_memory_context *memory_context; |
72 | }; |
73 | |
74 | struct tegra_drm_client_ops { |
75 | int (*open_channel)(struct tegra_drm_client *client, |
76 | struct tegra_drm_context *context); |
77 | void (*close_channel)(struct tegra_drm_context *context); |
78 | int (*is_addr_reg)(struct device *dev, u32 class, u32 offset); |
79 | int (*is_valid_class)(u32 class); |
80 | int (*submit)(struct tegra_drm_context *context, |
81 | struct drm_tegra_submit *args, struct drm_device *drm, |
82 | struct drm_file *file); |
83 | int (*get_streamid_offset)(struct tegra_drm_client *client, u32 *offset); |
84 | int (*can_use_memory_ctx)(struct tegra_drm_client *client, bool *supported); |
85 | }; |
86 | |
87 | int tegra_drm_submit(struct tegra_drm_context *context, |
88 | struct drm_tegra_submit *args, struct drm_device *drm, |
89 | struct drm_file *file); |
90 | |
91 | static inline int |
92 | tegra_drm_get_streamid_offset_thi(struct tegra_drm_client *client, u32 *offset) |
93 | { |
94 | *offset = 0x30; |
95 | |
96 | return 0; |
97 | } |
98 | |
99 | struct tegra_drm_client { |
100 | struct host1x_client base; |
101 | struct list_head list; |
102 | struct tegra_drm *drm; |
103 | struct host1x_channel *shared_channel; |
104 | |
105 | /* Set by driver */ |
106 | unsigned int version; |
107 | const struct tegra_drm_client_ops *ops; |
108 | }; |
109 | |
110 | static inline struct tegra_drm_client * |
111 | host1x_to_drm_client(struct host1x_client *client) |
112 | { |
113 | return container_of(client, struct tegra_drm_client, base); |
114 | } |
115 | |
116 | int tegra_drm_register_client(struct tegra_drm *tegra, |
117 | struct tegra_drm_client *client); |
118 | int tegra_drm_unregister_client(struct tegra_drm *tegra, |
119 | struct tegra_drm_client *client); |
120 | int host1x_client_iommu_attach(struct host1x_client *client); |
121 | void host1x_client_iommu_detach(struct host1x_client *client); |
122 | |
123 | void *tegra_drm_alloc(struct tegra_drm *tegra, size_t size, dma_addr_t *iova); |
124 | void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt, |
125 | dma_addr_t iova); |
126 | |
127 | struct cec_notifier; |
128 | |
129 | struct tegra_output { |
130 | struct device_node *of_node; |
131 | struct device *dev; |
132 | |
133 | struct drm_bridge *bridge; |
134 | struct drm_panel *panel; |
135 | struct i2c_adapter *ddc; |
136 | const struct edid *edid; |
137 | struct cec_notifier *cec; |
138 | unsigned int hpd_irq; |
139 | struct gpio_desc *hpd_gpio; |
140 | |
141 | struct drm_encoder encoder; |
142 | struct drm_connector connector; |
143 | }; |
144 | |
145 | static inline struct tegra_output *encoder_to_output(struct drm_encoder *e) |
146 | { |
147 | return container_of(e, struct tegra_output, encoder); |
148 | } |
149 | |
150 | static inline struct tegra_output *connector_to_output(struct drm_connector *c) |
151 | { |
152 | return container_of(c, struct tegra_output, connector); |
153 | } |
154 | |
155 | /* from output.c */ |
156 | int tegra_output_probe(struct tegra_output *output); |
157 | void tegra_output_remove(struct tegra_output *output); |
158 | int tegra_output_init(struct drm_device *drm, struct tegra_output *output); |
159 | void tegra_output_exit(struct tegra_output *output); |
160 | void tegra_output_find_possible_crtcs(struct tegra_output *output, |
161 | struct drm_device *drm); |
162 | int tegra_output_suspend(struct tegra_output *output); |
163 | int tegra_output_resume(struct tegra_output *output); |
164 | |
165 | int tegra_output_connector_get_modes(struct drm_connector *connector); |
166 | enum drm_connector_status |
167 | tegra_output_connector_detect(struct drm_connector *connector, bool force); |
168 | void tegra_output_connector_destroy(struct drm_connector *connector); |
169 | |
170 | /* from dpaux.c */ |
171 | struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np); |
172 | enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux); |
173 | int drm_dp_aux_attach(struct drm_dp_aux *aux, struct tegra_output *output); |
174 | int drm_dp_aux_detach(struct drm_dp_aux *aux); |
175 | int drm_dp_aux_enable(struct drm_dp_aux *aux); |
176 | int drm_dp_aux_disable(struct drm_dp_aux *aux); |
177 | |
178 | /* from fb.c */ |
179 | struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer, |
180 | unsigned int index); |
181 | bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer); |
182 | int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer, |
183 | struct tegra_bo_tiling *tiling); |
184 | struct drm_framebuffer *tegra_fb_alloc(struct drm_device *drm, |
185 | const struct drm_mode_fb_cmd2 *mode_cmd, |
186 | struct tegra_bo **planes, |
187 | unsigned int num_planes); |
188 | struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, |
189 | struct drm_file *file, |
190 | const struct drm_mode_fb_cmd2 *cmd); |
191 | |
192 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
193 | void tegra_fbdev_setup(struct drm_device *drm); |
194 | #else |
195 | static inline void tegra_fbdev_setup(struct drm_device *drm) |
196 | { } |
197 | #endif |
198 | |
199 | extern struct platform_driver tegra_display_hub_driver; |
200 | extern struct platform_driver tegra_dc_driver; |
201 | extern struct platform_driver tegra_hdmi_driver; |
202 | extern struct platform_driver tegra_dsi_driver; |
203 | extern struct platform_driver tegra_dpaux_driver; |
204 | extern struct platform_driver tegra_sor_driver; |
205 | extern struct platform_driver tegra_gr2d_driver; |
206 | extern struct platform_driver tegra_gr3d_driver; |
207 | extern struct platform_driver tegra_vic_driver; |
208 | extern struct platform_driver tegra_nvdec_driver; |
209 | |
210 | #endif /* HOST1X_DRM_H */ |
211 | |