Subversion Repositories or1k

/* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-

 * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com

 *

 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.

 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.

 * All rights reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 *

 * Authors:

 *    Kevin E. Martin <martin@valinux.com>

 *    Gareth Hughes <gareth@valinux.com>

 *

 */

#ifndef _R128_DRM_H_

#define _R128_DRM_H_

/* WARNING: If you change any of these defines, make sure to change the

 * defines in the X server file (r128_sarea.h)

 */

#ifndef __R128_SAREA_DEFINES__

#define __R128_SAREA_DEFINES__

/* What needs to be changed for the current vertex buffer?

 */

#define R128_UPLOAD_CONTEXT             0x001

#define R128_UPLOAD_SETUP               0x002

#define R128_UPLOAD_TEX0                0x004

#define R128_UPLOAD_TEX1                0x008

#define R128_UPLOAD_TEX0IMAGES          0x010

#define R128_UPLOAD_TEX1IMAGES          0x020

#define R128_UPLOAD_CORE                0x040

#define R128_UPLOAD_MASKS               0x080

#define R128_UPLOAD_WINDOW              0x100

#define R128_UPLOAD_CLIPRECTS           0x200   /* handled client-side */

#define R128_REQUIRE_QUIESCENCE         0x400

#define R128_UPLOAD_ALL                 0x7ff

#define R128_FRONT                      0x1

#define R128_BACK                       0x2

#define R128_DEPTH                      0x4

/* Primitive types

 */

#define R128_POINTS                     0x1

#define R128_LINES                      0x2

#define R128_LINE_STRIP                 0x3

#define R128_TRIANGLES                  0x4

#define R128_TRIANGLE_FAN               0x5

#define R128_TRIANGLE_STRIP             0x6

/* Vertex/indirect buffer size

 */

#if 1

#define R128_BUFFER_SIZE                16384

#else

#define R128_BUFFER_SIZE                (128 * 1024)

#endif

/* Byte offsets for indirect buffer data

 */

#define R128_INDEX_PRIM_OFFSET          20

#define R128_HOSTDATA_BLIT_OFFSET       32

/* 2048x2048 @ 32bpp texture requires this many indirect buffers

 */

#define R128_MAX_BLIT_BUFFERS           ((2048 * 2048 * 4) / R128_BUFFER_SIZE)

/* Keep these small for testing.

 */

#define R128_NR_SAREA_CLIPRECTS         12

/* There are 2 heaps (local/AGP).  Each region within a heap is a

 *  minimum of 64k, and there are at most 64 of them per heap.

 */

#define R128_LOCAL_TEX_HEAP             0

#define R128_AGP_TEX_HEAP               1

#define R128_NR_TEX_HEAPS               2

#define R128_NR_TEX_REGIONS             64

#define R128_LOG_TEX_GRANULARITY        16

#define R128_NR_CONTEXT_REGS            12

#define R128_TEX_MAXLEVELS              11

#endif /* __R128_SAREA_DEFINES__ */

typedef struct {

        /* Context state - can be written in one large chunk */

        unsigned int dst_pitch_offset_c;

        unsigned int dp_gui_master_cntl_c;

        unsigned int sc_top_left_c;

        unsigned int sc_bottom_right_c;

        unsigned int z_offset_c;

        unsigned int z_pitch_c;

        unsigned int z_sten_cntl_c;

        unsigned int tex_cntl_c;

        unsigned int misc_3d_state_cntl_reg;

        unsigned int texture_clr_cmp_clr_c;

        unsigned int texture_clr_cmp_msk_c;

        unsigned int fog_color_c;

        /* Texture state */

        unsigned int tex_size_pitch_c;

        unsigned int constant_color_c;

        /* Setup state */

        unsigned int pm4_vc_fpu_setup;

        unsigned int setup_cntl;

        /* Mask state */

        unsigned int dp_write_mask;

        unsigned int sten_ref_mask_c;

        unsigned int plane_3d_mask_c;

        /* Window state */

        unsigned int window_xy_offset;

        /* Core state */

        unsigned int scale_3d_cntl;

} drm_r128_context_regs_t;

/* Setup registers for each texture unit */

typedef struct {

        unsigned int tex_cntl;

        unsigned int tex_combine_cntl;

        unsigned int tex_size_pitch;

        unsigned int tex_offset[R128_TEX_MAXLEVELS];

        unsigned int tex_border_color;

} drm_r128_texture_regs_t;

typedef struct drm_tex_region {

        unsigned char next, prev;

        unsigned char in_use;

        int age;

} drm_tex_region_t;

typedef struct drm_r128_sarea {

        /* The channel for communication of state information to the kernel

         * on firing a vertex buffer.

         */

        drm_r128_context_regs_t context_state;

        drm_r128_texture_regs_t tex_state[R128_NR_TEX_HEAPS];

        unsigned int dirty;

        unsigned int vertsize;

        unsigned int vc_format;

        /* The current cliprects, or a subset thereof.

         */

        drm_clip_rect_t boxes[R128_NR_SAREA_CLIPRECTS];

        unsigned int nbox;

        /* Counters for client-side throttling of rendering clients.

         */

        unsigned int last_frame;

        unsigned int last_dispatch;

        drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];

        int tex_age[R128_NR_TEX_HEAPS];

        int ctx_owner;

} drm_r128_sarea_t;

/* WARNING: If you change any of these defines, make sure to change the

 * defines in the Xserver file (xf86drmR128.h)

 */

typedef struct drm_r128_init {

        enum {

                R128_INIT_CCE    = 0x01,

                R128_CLEANUP_CCE = 0x02

        } func;

        int sarea_priv_offset;

        int is_pci;

        int cce_mode;

        int cce_secure;

        int ring_size;

        int usec_timeout;

        unsigned int fb_bpp;

        unsigned int front_offset, front_pitch;

        unsigned int back_offset, back_pitch;

        unsigned int depth_bpp;

        unsigned int depth_offset, depth_pitch;

        unsigned int span_offset;

        unsigned int fb_offset;

        unsigned int mmio_offset;

        unsigned int ring_offset;

        unsigned int ring_rptr_offset;

        unsigned int buffers_offset;

        unsigned int agp_textures_offset;

} drm_r128_init_t;

typedef struct drm_r128_cce_stop {

        int flush;

        int idle;

} drm_r128_cce_stop_t;

typedef struct drm_r128_clear {

        unsigned int flags;

        int x, y, w, h;

        unsigned int clear_color;

        unsigned int clear_depth;

} drm_r128_clear_t;

typedef struct drm_r128_vertex {

        int prim;

        int idx;                        /* Index of vertex buffer */

        int count;                      /* Number of vertices in buffer */

        int discard;                    /* Client finished with buffer? */

} drm_r128_vertex_t;

typedef struct drm_r128_indices {

        int prim;

        int idx;

        int start;

        int end;

        int discard;                    /* Client finished with buffer? */

} drm_r128_indices_t;

typedef struct drm_r128_blit {

        int idx;

        int pitch;

        int offset;

        int format;

        unsigned short x, y;

        unsigned short width, height;

} drm_r128_blit_t;

typedef struct drm_r128_depth {

        enum {

                R128_WRITE_SPAN         = 0x01,

                R128_WRITE_PIXELS       = 0x02,

                R128_READ_SPAN          = 0x03,

                R128_READ_PIXELS        = 0x04

        } func;

        int n;

        int *x;

        int *y;

        unsigned int *buffer;

        unsigned char *mask;

} drm_r128_depth_t;

typedef struct drm_r128_stipple {

        unsigned int *mask;

} drm_r128_stipple_t;

typedef struct drm_r128_packet {

        unsigned int *buffer;

        int count;

        int flags;

} drm_r128_packet_t;

#endif