1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2/* exynos_drm.h
3 *
4 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5 * Authors:
6 * Inki Dae <inki.dae@samsung.com>
7 * Joonyoung Shim <jy0922.shim@samsung.com>
8 * Seung-Woo Kim <sw0312.kim@samsung.com>
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 */
15
16#ifndef _UAPI_EXYNOS_DRM_H_
17#define _UAPI_EXYNOS_DRM_H_
18
19#include "drm.h"
20
21#if defined(__cplusplus)
22extern "C" {
23#endif
24
25/**
26 * User-desired buffer creation information structure.
27 *
28 * @size: user-desired memory allocation size.
29 * - this size value would be page-aligned internally.
30 * @flags: user request for setting memory type or cache attributes.
31 * @handle: returned a handle to created gem object.
32 * - this handle will be set by gem module of kernel side.
33 */
34struct drm_exynos_gem_create {
35 __u64 size;
36 __u32 flags;
37 __u32 handle;
38};
39
40/**
41 * A structure for getting a fake-offset that can be used with mmap.
42 *
43 * @handle: handle of gem object.
44 * @reserved: just padding to be 64-bit aligned.
45 * @offset: a fake-offset of gem object.
46 */
47struct drm_exynos_gem_map {
48 __u32 handle;
49 __u32 reserved;
50 __u64 offset;
51};
52
53/**
54 * A structure to gem information.
55 *
56 * @handle: a handle to gem object created.
57 * @flags: flag value including memory type and cache attribute and
58 * this value would be set by driver.
59 * @size: size to memory region allocated by gem and this size would
60 * be set by driver.
61 */
62struct drm_exynos_gem_info {
63 __u32 handle;
64 __u32 flags;
65 __u64 size;
66};
67
68/**
69 * A structure for user connection request of virtual display.
70 *
71 * @connection: indicate whether doing connection or not by user.
72 * @extensions: if this value is 1 then the vidi driver would need additional
73 * 128bytes edid data.
74 * @edid: the edid data pointer from user side.
75 */
76struct drm_exynos_vidi_connection {
77 __u32 connection;
78 __u32 extensions;
79 __u64 edid;
80};
81
82/* memory type definitions. */
83enum e_drm_exynos_gem_mem_type {
84 /* Physically Continuous memory and used as default. */
85 EXYNOS_BO_CONTIG = 0 << 0,
86 /* Physically Non-Continuous memory. */
87 EXYNOS_BO_NONCONTIG = 1 << 0,
88 /* non-cachable mapping and used as default. */
89 EXYNOS_BO_NONCACHABLE = 0 << 1,
90 /* cachable mapping. */
91 EXYNOS_BO_CACHABLE = 1 << 1,
92 /* write-combine mapping. */
93 EXYNOS_BO_WC = 1 << 2,
94 EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
95 EXYNOS_BO_WC
96};
97
98struct drm_exynos_g2d_get_ver {
99 __u32 major;
100 __u32 minor;
101};
102
103struct drm_exynos_g2d_cmd {
104 __u32 offset;
105 __u32 data;
106};
107
108enum drm_exynos_g2d_buf_type {
109 G2D_BUF_USERPTR = 1 << 31,
110};
111
112enum drm_exynos_g2d_event_type {
113 G2D_EVENT_NOT,
114 G2D_EVENT_NONSTOP,
115 G2D_EVENT_STOP, /* not yet */
116};
117
118struct drm_exynos_g2d_userptr {
119 unsigned long userptr;
120 unsigned long size;
121};
122
123struct drm_exynos_g2d_set_cmdlist {
124 __u64 cmd;
125 __u64 cmd_buf;
126 __u32 cmd_nr;
127 __u32 cmd_buf_nr;
128
129 /* for g2d event */
130 __u64 event_type;
131 __u64 user_data;
132};
133
134struct drm_exynos_g2d_exec {
135 __u64 async;
136};
137
138/* Exynos DRM IPP v2 API */
139
140/**
141 * Enumerate available IPP hardware modules.
142 *
143 * @count_ipps: size of ipp_id array / number of ipp modules (set by driver)
144 * @reserved: padding
145 * @ipp_id_ptr: pointer to ipp_id array or NULL
146 */
147struct drm_exynos_ioctl_ipp_get_res {
148 __u32 count_ipps;
149 __u32 reserved;
150 __u64 ipp_id_ptr;
151};
152
153enum drm_exynos_ipp_format_type {
154 DRM_EXYNOS_IPP_FORMAT_SOURCE = 0x01,
155 DRM_EXYNOS_IPP_FORMAT_DESTINATION = 0x02,
156};
157
158struct drm_exynos_ipp_format {
159 __u32 fourcc;
160 __u32 type;
161 __u64 modifier;
162};
163
164enum drm_exynos_ipp_capability {
165 DRM_EXYNOS_IPP_CAP_CROP = 0x01,
166 DRM_EXYNOS_IPP_CAP_ROTATE = 0x02,
167 DRM_EXYNOS_IPP_CAP_SCALE = 0x04,
168 DRM_EXYNOS_IPP_CAP_CONVERT = 0x08,
169};
170
171/**
172 * Get IPP hardware capabilities and supported image formats.
173 *
174 * @ipp_id: id of IPP module to query
175 * @capabilities: bitmask of drm_exynos_ipp_capability (set by driver)
176 * @reserved: padding
177 * @formats_count: size of formats array (in entries) / number of filled
178 * formats (set by driver)
179 * @formats_ptr: pointer to formats array or NULL
180 */
181struct drm_exynos_ioctl_ipp_get_caps {
182 __u32 ipp_id;
183 __u32 capabilities;
184 __u32 reserved;
185 __u32 formats_count;
186 __u64 formats_ptr;
187};
188
189enum drm_exynos_ipp_limit_type {
190 /* size (horizontal/vertial) limits, in pixels (min, max, alignment) */
191 DRM_EXYNOS_IPP_LIMIT_TYPE_SIZE = 0x0001,
192 /* scale ratio (horizonta/vertial), 16.16 fixed point (min, max) */
193 DRM_EXYNOS_IPP_LIMIT_TYPE_SCALE = 0x0002,
194
195 /* image buffer area */
196 DRM_EXYNOS_IPP_LIMIT_SIZE_BUFFER = 0x0001 << 16,
197 /* src/dst rectangle area */
198 DRM_EXYNOS_IPP_LIMIT_SIZE_AREA = 0x0002 << 16,
199 /* src/dst rectangle area when rotation enabled */
200 DRM_EXYNOS_IPP_LIMIT_SIZE_ROTATED = 0x0003 << 16,
201
202 DRM_EXYNOS_IPP_LIMIT_TYPE_MASK = 0x000f,
203 DRM_EXYNOS_IPP_LIMIT_SIZE_MASK = 0x000f << 16,
204};
205
206struct drm_exynos_ipp_limit_val {
207 __u32 min;
208 __u32 max;
209 __u32 align;
210 __u32 reserved;
211};
212
213/**
214 * IPP module limitation.
215 *
216 * @type: limit type (see drm_exynos_ipp_limit_type enum)
217 * @reserved: padding
218 * @h: horizontal limits
219 * @v: vertical limits
220 */
221struct drm_exynos_ipp_limit {
222 __u32 type;
223 __u32 reserved;
224 struct drm_exynos_ipp_limit_val h;
225 struct drm_exynos_ipp_limit_val v;
226};
227
228/**
229 * Get IPP limits for given image format.
230 *
231 * @ipp_id: id of IPP module to query
232 * @fourcc: image format code (see DRM_FORMAT_* in drm_fourcc.h)
233 * @modifier: image format modifier (see DRM_FORMAT_MOD_* in drm_fourcc.h)
234 * @type: source/destination identifier (drm_exynos_ipp_format_flag enum)
235 * @limits_count: size of limits array (in entries) / number of filled entries
236 * (set by driver)
237 * @limits_ptr: pointer to limits array or NULL
238 */
239struct drm_exynos_ioctl_ipp_get_limits {
240 __u32 ipp_id;
241 __u32 fourcc;
242 __u64 modifier;
243 __u32 type;
244 __u32 limits_count;
245 __u64 limits_ptr;
246};
247
248enum drm_exynos_ipp_task_id {
249 /* buffer described by struct drm_exynos_ipp_task_buffer */
250 DRM_EXYNOS_IPP_TASK_BUFFER = 0x0001,
251 /* rectangle described by struct drm_exynos_ipp_task_rect */
252 DRM_EXYNOS_IPP_TASK_RECTANGLE = 0x0002,
253 /* transformation described by struct drm_exynos_ipp_task_transform */
254 DRM_EXYNOS_IPP_TASK_TRANSFORM = 0x0003,
255 /* alpha configuration described by struct drm_exynos_ipp_task_alpha */
256 DRM_EXYNOS_IPP_TASK_ALPHA = 0x0004,
257
258 /* source image data (for buffer and rectangle chunks) */
259 DRM_EXYNOS_IPP_TASK_TYPE_SOURCE = 0x0001 << 16,
260 /* destination image data (for buffer and rectangle chunks) */
261 DRM_EXYNOS_IPP_TASK_TYPE_DESTINATION = 0x0002 << 16,
262};
263
264/**
265 * Memory buffer with image data.
266 *
267 * @id: must be DRM_EXYNOS_IPP_TASK_BUFFER
268 * other parameters are same as for AddFB2 generic DRM ioctl
269 */
270struct drm_exynos_ipp_task_buffer {
271 __u32 id;
272 __u32 fourcc;
273 __u32 width, height;
274 __u32 gem_id[4];
275 __u32 offset[4];
276 __u32 pitch[4];
277 __u64 modifier;
278};
279
280/**
281 * Rectangle for processing.
282 *
283 * @id: must be DRM_EXYNOS_IPP_TASK_RECTANGLE
284 * @reserved: padding
285 * @x,@y: left corner in pixels
286 * @w,@h: width/height in pixels
287 */
288struct drm_exynos_ipp_task_rect {
289 __u32 id;
290 __u32 reserved;
291 __u32 x;
292 __u32 y;
293 __u32 w;
294 __u32 h;
295};
296
297/**
298 * Image tranformation description.
299 *
300 * @id: must be DRM_EXYNOS_IPP_TASK_TRANSFORM
301 * @rotation: DRM_MODE_ROTATE_* and DRM_MODE_REFLECT_* values
302 */
303struct drm_exynos_ipp_task_transform {
304 __u32 id;
305 __u32 rotation;
306};
307
308/**
309 * Image global alpha configuration for formats without alpha values.
310 *
311 * @id: must be DRM_EXYNOS_IPP_TASK_ALPHA
312 * @value: global alpha value (0-255)
313 */
314struct drm_exynos_ipp_task_alpha {
315 __u32 id;
316 __u32 value;
317};
318
319enum drm_exynos_ipp_flag {
320 /* generate DRM event after processing */
321 DRM_EXYNOS_IPP_FLAG_EVENT = 0x01,
322 /* dry run, only check task parameters */
323 DRM_EXYNOS_IPP_FLAG_TEST_ONLY = 0x02,
324 /* non-blocking processing */
325 DRM_EXYNOS_IPP_FLAG_NONBLOCK = 0x04,
326};
327
328#define DRM_EXYNOS_IPP_FLAGS (DRM_EXYNOS_IPP_FLAG_EVENT |\
329 DRM_EXYNOS_IPP_FLAG_TEST_ONLY | DRM_EXYNOS_IPP_FLAG_NONBLOCK)
330
331/**
332 * Perform image processing described by array of drm_exynos_ipp_task_*
333 * structures (parameters array).
334 *
335 * @ipp_id: id of IPP module to run the task
336 * @flags: bitmask of drm_exynos_ipp_flag values
337 * @reserved: padding
338 * @params_size: size of parameters array (in bytes)
339 * @params_ptr: pointer to parameters array or NULL
340 * @user_data: (optional) data for drm event
341 */
342struct drm_exynos_ioctl_ipp_commit {
343 __u32 ipp_id;
344 __u32 flags;
345 __u32 reserved;
346 __u32 params_size;
347 __u64 params_ptr;
348 __u64 user_data;
349};
350
351#define DRM_EXYNOS_GEM_CREATE 0x00
352#define DRM_EXYNOS_GEM_MAP 0x01
353/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
354#define DRM_EXYNOS_GEM_GET 0x04
355#define DRM_EXYNOS_VIDI_CONNECTION 0x07
356
357/* G2D */
358#define DRM_EXYNOS_G2D_GET_VER 0x20
359#define DRM_EXYNOS_G2D_SET_CMDLIST 0x21
360#define DRM_EXYNOS_G2D_EXEC 0x22
361
362/* Reserved 0x30 ~ 0x33 for obsolete Exynos IPP ioctls */
363/* IPP - Image Post Processing */
364#define DRM_EXYNOS_IPP_GET_RESOURCES 0x40
365#define DRM_EXYNOS_IPP_GET_CAPS 0x41
366#define DRM_EXYNOS_IPP_GET_LIMITS 0x42
367#define DRM_EXYNOS_IPP_COMMIT 0x43
368
369#define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
370 DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
371#define DRM_IOCTL_EXYNOS_GEM_MAP DRM_IOWR(DRM_COMMAND_BASE + \
372 DRM_EXYNOS_GEM_MAP, struct drm_exynos_gem_map)
373#define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \
374 DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info)
375
376#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \
377 DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
378
379#define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \
380 DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
381#define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \
382 DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
383#define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \
384 DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
385
386#define DRM_IOCTL_EXYNOS_IPP_GET_RESOURCES DRM_IOWR(DRM_COMMAND_BASE + \
387 DRM_EXYNOS_IPP_GET_RESOURCES, \
388 struct drm_exynos_ioctl_ipp_get_res)
389#define DRM_IOCTL_EXYNOS_IPP_GET_CAPS DRM_IOWR(DRM_COMMAND_BASE + \
390 DRM_EXYNOS_IPP_GET_CAPS, struct drm_exynos_ioctl_ipp_get_caps)
391#define DRM_IOCTL_EXYNOS_IPP_GET_LIMITS DRM_IOWR(DRM_COMMAND_BASE + \
392 DRM_EXYNOS_IPP_GET_LIMITS, \
393 struct drm_exynos_ioctl_ipp_get_limits)
394#define DRM_IOCTL_EXYNOS_IPP_COMMIT DRM_IOWR(DRM_COMMAND_BASE + \
395 DRM_EXYNOS_IPP_COMMIT, struct drm_exynos_ioctl_ipp_commit)
396
397/* Exynos specific events */
398#define DRM_EXYNOS_G2D_EVENT 0x80000000
399#define DRM_EXYNOS_IPP_EVENT 0x80000002
400
401struct drm_exynos_g2d_event {
402 struct drm_event base;
403 __u64 user_data;
404 __u32 tv_sec;
405 __u32 tv_usec;
406 __u32 cmdlist_no;
407 __u32 reserved;
408};
409
410struct drm_exynos_ipp_event {
411 struct drm_event base;
412 __u64 user_data;
413 __u32 tv_sec;
414 __u32 tv_usec;
415 __u32 ipp_id;
416 __u32 sequence;
417 __u64 reserved;
418};
419
420#if defined(__cplusplus)
421}
422#endif
423
424#endif /* _UAPI_EXYNOS_DRM_H_ */
425

source code of linux/include/uapi/drm/exynos_drm.h