2 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 /* Please note that modifications to all structs defined here are
31 * subject to backwards-compatibility constraints.
36 /* Each region is a minimum of 16k, and there are at most 255 of them.
38 #define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use
39 * of chars for next/prev indices */
40 #define I915_LOG_MIN_TEX_REGION_SIZE 14
42 typedef struct _drm_i915_init {
45 I915_CLEANUP_DMA = 0x02,
46 I915_RESUME_DMA = 0x03
48 unsigned int mmio_offset;
49 int sarea_priv_offset;
50 unsigned int ring_start;
51 unsigned int ring_end;
52 unsigned int ring_size;
53 unsigned int front_offset;
54 unsigned int back_offset;
55 unsigned int depth_offset;
59 unsigned int pitch_bits;
60 unsigned int back_pitch;
61 unsigned int depth_pitch;
66 typedef struct _drm_i915_sarea {
67 struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1];
68 int last_upload; /* last time texture was uploaded */
69 int last_enqueue; /* last time a buffer was enqueued */
70 int last_dispatch; /* age of the most recently dispatched buffer */
71 int ctxOwner; /* last context to upload state */
73 int pf_enabled; /* is pageflipping allowed? */
75 int pf_current_page; /* which buffer is being displayed? */
76 int perf_boxes; /* performance boxes to be displayed */
77 int width, height; /* screen size in pixels */
79 drm_handle_t front_handle;
83 drm_handle_t back_handle;
87 drm_handle_t depth_handle;
91 drm_handle_t tex_handle;
94 int log_tex_granularity;
96 int rotation; /* 0, 90, 180 or 270 */
100 int virtualX, virtualY;
102 unsigned int front_tiled;
103 unsigned int back_tiled;
104 unsigned int depth_tiled;
105 unsigned int rotated_tiled;
106 unsigned int rotated2_tiled;
117 /* Triple buffering */
118 drm_handle_t third_handle;
121 unsigned int third_tiled;
124 /* Driver specific fence types and classes.
127 /* The only fence class we support */
128 #define DRM_I915_FENCE_CLASS_ACCEL 0
129 /* Fence type that guarantees read-write flush */
130 #define DRM_I915_FENCE_TYPE_RW 2
131 /* MI_FLUSH programmed just before the fence */
132 #define DRM_I915_FENCE_FLAG_FLUSHED 0x01000000
134 /* Flags for perf_boxes
136 #define I915_BOX_RING_EMPTY 0x1
137 #define I915_BOX_FLIP 0x2
138 #define I915_BOX_WAIT 0x4
139 #define I915_BOX_TEXTURE_LOAD 0x8
140 #define I915_BOX_LOST_CONTEXT 0x10
142 /* I915 specific ioctls
143 * The device specific ioctl range is 0x40 to 0x79.
145 #define DRM_I915_INIT 0x00
146 #define DRM_I915_FLUSH 0x01
147 #define DRM_I915_FLIP 0x02
148 #define DRM_I915_BATCHBUFFER 0x03
149 #define DRM_I915_IRQ_EMIT 0x04
150 #define DRM_I915_IRQ_WAIT 0x05
151 #define DRM_I915_GETPARAM 0x06
152 #define DRM_I915_SETPARAM 0x07
153 #define DRM_I915_ALLOC 0x08
154 #define DRM_I915_FREE 0x09
155 #define DRM_I915_INIT_HEAP 0x0a
156 #define DRM_I915_CMDBUFFER 0x0b
157 #define DRM_I915_DESTROY_HEAP 0x0c
158 #define DRM_I915_SET_VBLANK_PIPE 0x0d
159 #define DRM_I915_GET_VBLANK_PIPE 0x0e
160 #define DRM_I915_VBLANK_SWAP 0x0f
161 #define DRM_I915_MMIO 0x10
162 #define DRM_I915_HWS_ADDR 0x11
163 #define DRM_I915_EXECBUFFER 0x12
165 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
166 #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
167 #define DRM_IOCTL_I915_FLIP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FLIP, drm_i915_flip_t)
168 #define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
169 #define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
170 #define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
171 #define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
172 #define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
173 #define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
174 #define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
175 #define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
176 #define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
177 #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
178 #define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
179 #define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
180 #define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
181 #define DRM_IOCTL_I915_MMIO DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_MMIO, drm_i915_mmio)
182 #define DRM_IOCTL_I915_EXECBUFFER DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_EXECBUFFER, struct drm_i915_execbuffer)
184 /* Asynchronous page flipping:
186 typedef struct drm_i915_flip {
188 * This is really talking about planes, and we could rename it
189 * except for the fact that some of the duplicated i915_drm.h files
190 * out there check for HAVE_I915_FLIP and so might pick up this
196 /* Allow drivers to submit batchbuffers directly to hardware, relying
197 * on the security mechanisms provided by hardware.
199 typedef struct _drm_i915_batchbuffer {
200 int start; /* agp offset */
201 int used; /* nr bytes in use */
202 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
203 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */
204 int num_cliprects; /* mulitpass with multiple cliprects? */
205 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */
206 } drm_i915_batchbuffer_t;
208 /* As above, but pass a pointer to userspace buffer which can be
209 * validated by the kernel prior to sending to hardware.
211 typedef struct _drm_i915_cmdbuffer {
212 char __user *buf; /* pointer to userspace command buffer */
213 int sz; /* nr bytes in buf */
214 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
215 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */
216 int num_cliprects; /* mulitpass with multiple cliprects? */
217 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */
218 } drm_i915_cmdbuffer_t;
220 /* Userspace can request & wait on irq's:
222 typedef struct drm_i915_irq_emit {
224 } drm_i915_irq_emit_t;
226 typedef struct drm_i915_irq_wait {
228 } drm_i915_irq_wait_t;
230 /* Ioctl to query kernel params:
232 #define I915_PARAM_IRQ_ACTIVE 1
233 #define I915_PARAM_ALLOW_BATCHBUFFER 2
234 #define I915_PARAM_LAST_DISPATCH 3
236 typedef struct drm_i915_getparam {
239 } drm_i915_getparam_t;
241 /* Ioctl to set kernel params:
243 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1
244 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
245 #define I915_SETPARAM_ALLOW_BATCHBUFFER 3
247 typedef struct drm_i915_setparam {
250 } drm_i915_setparam_t;
252 /* A memory manager for regions of shared memory:
254 #define I915_MEM_REGION_AGP 1
256 typedef struct drm_i915_mem_alloc {
260 int __user *region_offset; /* offset from start of fb or agp */
261 } drm_i915_mem_alloc_t;
263 typedef struct drm_i915_mem_free {
266 } drm_i915_mem_free_t;
268 typedef struct drm_i915_mem_init_heap {
272 } drm_i915_mem_init_heap_t;
274 /* Allow memory manager to be torn down and re-initialized (eg on
277 typedef struct drm_i915_mem_destroy_heap {
279 } drm_i915_mem_destroy_heap_t;
281 /* Allow X server to configure which pipes to monitor for vblank signals
283 #define DRM_I915_VBLANK_PIPE_A 1
284 #define DRM_I915_VBLANK_PIPE_B 2
286 typedef struct drm_i915_vblank_pipe {
288 } drm_i915_vblank_pipe_t;
290 /* Schedule buffer swap at given vertical blank:
292 typedef struct drm_i915_vblank_swap {
293 drm_drawable_t drawable;
294 enum drm_vblank_seq_type seqtype;
295 unsigned int sequence;
296 } drm_i915_vblank_swap_t;
298 #define I915_MMIO_READ 0
299 #define I915_MMIO_WRITE 1
301 #define I915_MMIO_MAY_READ 0x1
302 #define I915_MMIO_MAY_WRITE 0x2
304 #define MMIO_REGS_IA_PRIMATIVES_COUNT 0
305 #define MMIO_REGS_IA_VERTICES_COUNT 1
306 #define MMIO_REGS_VS_INVOCATION_COUNT 2
307 #define MMIO_REGS_GS_PRIMITIVES_COUNT 3
308 #define MMIO_REGS_GS_INVOCATION_COUNT 4
309 #define MMIO_REGS_CL_PRIMITIVES_COUNT 5
310 #define MMIO_REGS_CL_INVOCATION_COUNT 6
311 #define MMIO_REGS_PS_INVOCATION_COUNT 7
312 #define MMIO_REGS_PS_DEPTH_COUNT 8
314 typedef struct drm_i915_mmio_entry {
318 } drm_i915_mmio_entry_t;
320 typedef struct drm_i915_mmio {
321 unsigned int read_write:1;
326 typedef struct drm_i915_hws_addr {
328 } drm_i915_hws_addr_t;
331 * Relocation header is 4 uint32_ts
332 * 0 - 32 bit reloc count
333 * 1 - 32-bit relocation type
334 * 2-3 - 64-bit user buffer handle ptr for another list of relocs.
336 #define I915_RELOC_HEADER 4
339 * type 0 relocation has 4-uint32_t stride
340 * 0 - offset into buffer
341 * 1 - delta to add in
343 * 3 - reserved (for optimisations later).
345 #define I915_RELOC_TYPE_0 0
346 #define I915_RELOC0_STRIDE 4
348 struct drm_i915_op_arg {
353 struct drm_bo_op_req req;
354 struct drm_bo_arg_rep rep;
359 struct drm_i915_execbuffer {
361 uint32_t num_buffers;
362 struct _drm_i915_batchbuffer batch;
363 drm_context_t context; /* for lockless use in the future */
364 struct drm_fence_arg fence_arg;
367 #endif /* _I915_DRM_H_ */