163 lines
4.8 KiB
C
163 lines
4.8 KiB
C
#ifndef _I915_DRM_H_
|
|
#define _I915_DRM_H_
|
|
|
|
/* Please note that modifications to all structs defined here are
|
|
* subject to backwards-compatibility constraints.
|
|
*/
|
|
|
|
#include "drm.h"
|
|
|
|
/* Each region is a minimum of 16k, and there are at most 255 of them.
|
|
*/
|
|
#define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use
|
|
* of chars for next/prev indices */
|
|
#define I915_LOG_MIN_TEX_REGION_SIZE 14
|
|
|
|
|
|
typedef struct _drm_i915_init {
|
|
enum {
|
|
I915_INIT_DMA = 0x01,
|
|
I915_CLEANUP_DMA = 0x02,
|
|
I915_RESUME_DMA = 0x03
|
|
} func;
|
|
unsigned int mmio_offset;
|
|
int sarea_priv_offset;
|
|
unsigned int ring_start;
|
|
unsigned int ring_end;
|
|
unsigned int ring_size;
|
|
unsigned int front_offset;
|
|
unsigned int back_offset;
|
|
unsigned int depth_offset;
|
|
unsigned int w;
|
|
unsigned int h;
|
|
unsigned int pitch;
|
|
unsigned int pitch_bits;
|
|
unsigned int back_pitch;
|
|
unsigned int depth_pitch;
|
|
unsigned int cpp;
|
|
unsigned int chipset;
|
|
} drm_i915_init_t;
|
|
|
|
|
|
typedef struct _drm_i915_sarea {
|
|
drm_tex_region_t texList[I915_NR_TEX_REGIONS+1];
|
|
int last_upload; /* last time texture was uploaded */
|
|
int last_enqueue; /* last time a buffer was enqueued */
|
|
int last_dispatch; /* age of the most recently dispatched buffer */
|
|
int ctxOwner; /* last context to upload state */
|
|
int texAge;
|
|
int pf_enabled; /* is pageflipping allowed? */
|
|
int pf_active;
|
|
int pf_current_page; /* which buffer is being displayed? */
|
|
int perf_boxes; /* performance boxes to be displayed */
|
|
} drm_i915_sarea_t;
|
|
|
|
/* Flags for perf_boxes
|
|
*/
|
|
#define I915_BOX_RING_EMPTY 0x1
|
|
#define I915_BOX_FLIP 0x2
|
|
#define I915_BOX_WAIT 0x4
|
|
#define I915_BOX_TEXTURE_LOAD 0x8
|
|
#define I915_BOX_LOST_CONTEXT 0x10
|
|
|
|
|
|
/* I915 specific ioctls
|
|
* The device specific ioctl range is 0x40 to 0x79.
|
|
*/
|
|
#define DRM_IOCTL_I915_INIT DRM_IOW( 0x40, drm_i915_init_t)
|
|
#define DRM_IOCTL_I915_FLUSH DRM_IO ( 0x41)
|
|
#define DRM_IOCTL_I915_FLIP DRM_IO ( 0x42)
|
|
#define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( 0x43, drm_i915_batchbuffer_t)
|
|
#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(0x44, drm_i915_irq_emit_t)
|
|
#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( 0x45, drm_i915_irq_wait_t)
|
|
#define DRM_IOCTL_I915_GETPARAM DRM_IOWR(0x46, drm_i915_getparam_t)
|
|
#define DRM_IOCTL_I915_SETPARAM DRM_IOW( 0x47, drm_i915_setparam_t)
|
|
#define DRM_IOCTL_I915_ALLOC DRM_IOWR(0x48, drm_i915_mem_alloc_t)
|
|
#define DRM_IOCTL_I915_FREE DRM_IOW( 0x49, drm_i915_mem_free_t)
|
|
#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( 0x4a, drm_i915_mem_init_heap_t)
|
|
#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( 0x4b, drm_i915_cmdbuffer_t)
|
|
|
|
|
|
/* Allow drivers to submit batchbuffers directly to hardware, relying
|
|
* on the security mechanisms provided by hardware.
|
|
*/
|
|
typedef struct _drm_i915_batchbuffer {
|
|
int start; /* agp offset */
|
|
int used; /* nr bytes in use */
|
|
int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
|
|
int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/
|
|
int num_cliprects; /* mulitpass with multiple cliprects? */
|
|
drm_clip_rect_t __user *cliprects; /* pointer to userspace cliprects */
|
|
} drm_i915_batchbuffer_t;
|
|
|
|
/* As above, but pass a pointer to userspace buffer which can be
|
|
* validated by the kernel prior to sending to hardware.
|
|
*/
|
|
typedef struct _drm_i915_cmdbuffer {
|
|
char __user *buf; /* pointer to userspace command buffer */
|
|
int sz; /* nr bytes in buf */
|
|
int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
|
|
int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/
|
|
int num_cliprects; /* mulitpass with multiple cliprects? */
|
|
drm_clip_rect_t __user *cliprects; /* pointer to userspace cliprects */
|
|
} drm_i915_cmdbuffer_t;
|
|
|
|
|
|
/* Userspace can request & wait on irq's:
|
|
*/
|
|
typedef struct drm_i915_irq_emit {
|
|
int __user *irq_seq;
|
|
} drm_i915_irq_emit_t;
|
|
|
|
typedef struct drm_i915_irq_wait {
|
|
int irq_seq;
|
|
} drm_i915_irq_wait_t;
|
|
|
|
|
|
/* Ioctl to query kernel params:
|
|
*/
|
|
#define I915_PARAM_IRQ_ACTIVE 1
|
|
#define I915_PARAM_ALLOW_BATCHBUFFER 2
|
|
|
|
typedef struct drm_i915_getparam {
|
|
int param;
|
|
int __user *value;
|
|
} drm_i915_getparam_t;
|
|
|
|
|
|
/* Ioctl to set kernel params:
|
|
*/
|
|
#define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1
|
|
#define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
|
|
#define I915_SETPARAM_ALLOW_BATCHBUFFER 3
|
|
|
|
typedef struct drm_i915_setparam {
|
|
int param;
|
|
int value;
|
|
} drm_i915_setparam_t;
|
|
|
|
/* A memory manager for regions of shared memory:
|
|
*/
|
|
#define I915_MEM_REGION_AGP 1
|
|
|
|
typedef struct drm_i915_mem_alloc {
|
|
int region;
|
|
int alignment;
|
|
int size;
|
|
int __user *region_offset; /* offset from start of fb or agp */
|
|
} drm_i915_mem_alloc_t;
|
|
|
|
typedef struct drm_i915_mem_free {
|
|
int region;
|
|
int region_offset;
|
|
} drm_i915_mem_free_t;
|
|
|
|
typedef struct drm_i915_mem_init_heap {
|
|
int region;
|
|
int size;
|
|
int start;
|
|
} drm_i915_mem_init_heap_t;
|
|
|
|
|
|
#endif /* _I915_DRM_H_ */
|