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/* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*-

 *

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

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

 * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.

 * 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>

 *    Keith Whitwell <keith@tungstengraphics.com>

 */

#ifndef __RADEON_DRM_H__

#define __RADEON_DRM_H__

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

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

 */

#ifndef __RADEON_SAREA_DEFINES__

#define __RADEON_SAREA_DEFINES__

/* Old style state flags, required for sarea interface (1.1 and 1.2

 * clears) and 1.2 drm_vertex2 ioctl.

 */

#define RADEON_UPLOAD_CONTEXT           0x00000001

#define RADEON_UPLOAD_VERTFMT           0x00000002

#define RADEON_UPLOAD_LINE              0x00000004

#define RADEON_UPLOAD_BUMPMAP           0x00000008

#define RADEON_UPLOAD_MASKS             0x00000010

#define RADEON_UPLOAD_VIEWPORT          0x00000020

#define RADEON_UPLOAD_SETUP             0x00000040

#define RADEON_UPLOAD_TCL               0x00000080

#define RADEON_UPLOAD_MISC              0x00000100

#define RADEON_UPLOAD_TEX0              0x00000200

#define RADEON_UPLOAD_TEX1              0x00000400

#define RADEON_UPLOAD_TEX2              0x00000800

#define RADEON_UPLOAD_TEX0IMAGES        0x00001000

#define RADEON_UPLOAD_TEX1IMAGES        0x00002000

#define RADEON_UPLOAD_TEX2IMAGES        0x00004000

#define RADEON_UPLOAD_CLIPRECTS         0x00008000 /* handled client-side */

#define RADEON_REQUIRE_QUIESCENCE       0x00010000

#define RADEON_UPLOAD_ZBIAS             0x00020000 /* version 1.2 and newer */

#define RADEON_UPLOAD_ALL               0x003effff

#define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff

/* New style per-packet identifiers for use in cmd_buffer ioctl with

 * the RADEON_EMIT_PACKET command.  Comments relate new packets to old

 * state bits and the packet size:

 */

#define RADEON_EMIT_PP_MISC                         0 /* context/7 */

#define RADEON_EMIT_PP_CNTL                         1 /* context/3 */

#define RADEON_EMIT_RB3D_COLORPITCH                 2 /* context/1 */

#define RADEON_EMIT_RE_LINE_PATTERN                 3 /* line/2 */

#define RADEON_EMIT_SE_LINE_WIDTH                   4 /* line/1 */

#define RADEON_EMIT_PP_LUM_MATRIX                   5 /* bumpmap/1 */

#define RADEON_EMIT_PP_ROT_MATRIX_0                 6 /* bumpmap/2 */

#define RADEON_EMIT_RB3D_STENCILREFMASK             7 /* masks/3 */

#define RADEON_EMIT_SE_VPORT_XSCALE                 8 /* viewport/6 */

#define RADEON_EMIT_SE_CNTL                         9 /* setup/2 */

#define RADEON_EMIT_SE_CNTL_STATUS                  10 /* setup/1 */

#define RADEON_EMIT_RE_MISC                         11 /* misc/1 */

#define RADEON_EMIT_PP_TXFILTER_0                   12 /* tex0/6 */

#define RADEON_EMIT_PP_BORDER_COLOR_0               13 /* tex0/1 */

#define RADEON_EMIT_PP_TXFILTER_1                   14 /* tex1/6 */

#define RADEON_EMIT_PP_BORDER_COLOR_1               15 /* tex1/1 */

#define RADEON_EMIT_PP_TXFILTER_2                   16 /* tex2/6 */

#define RADEON_EMIT_PP_BORDER_COLOR_2               17 /* tex2/1 */

#define RADEON_EMIT_SE_ZBIAS_FACTOR                 18 /* zbias/2 */

#define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19 /* tcl/11 */

#define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20 /* material/17 */

#define R200_EMIT_PP_TXCBLEND_0                     21 /* tex0/4 */

#define R200_EMIT_PP_TXCBLEND_1                     22 /* tex1/4 */

#define R200_EMIT_PP_TXCBLEND_2                     23 /* tex2/4 */

#define R200_EMIT_PP_TXCBLEND_3                     24 /* tex3/4 */

#define R200_EMIT_PP_TXCBLEND_4                     25 /* tex4/4 */

#define R200_EMIT_PP_TXCBLEND_5                     26 /* tex5/4 */

#define R200_EMIT_PP_TXCBLEND_6                     27 /* /4 */

#define R200_EMIT_PP_TXCBLEND_7                     28 /* /4 */

#define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29 /* tcl/7 */

#define R200_EMIT_TFACTOR_0                         30 /* tf/7 */

#define R200_EMIT_VTX_FMT_0                         31 /* vtx/5 */

#define R200_EMIT_VAP_CTL                           32 /* vap/1 */

#define R200_EMIT_MATRIX_SELECT_0                   33 /* msl/5 */

#define R200_EMIT_TEX_PROC_CTL_2                    34 /* tcg/5 */

#define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35 /* tcl/1 */

#define R200_EMIT_PP_TXFILTER_0                     36 /* tex0/6 */

#define R200_EMIT_PP_TXFILTER_1                     37 /* tex1/6 */

#define R200_EMIT_PP_TXFILTER_2                     38 /* tex2/6 */

#define R200_EMIT_PP_TXFILTER_3                     39 /* tex3/6 */

#define R200_EMIT_PP_TXFILTER_4                     40 /* tex4/6 */

#define R200_EMIT_PP_TXFILTER_5                     41 /* tex5/6 */

#define R200_EMIT_PP_TXOFFSET_0                     42 /* tex0/1 */

#define R200_EMIT_PP_TXOFFSET_1                     43 /* tex1/1 */

#define R200_EMIT_PP_TXOFFSET_2                     44 /* tex2/1 */

#define R200_EMIT_PP_TXOFFSET_3                     45 /* tex3/1 */

#define R200_EMIT_PP_TXOFFSET_4                     46 /* tex4/1 */

#define R200_EMIT_PP_TXOFFSET_5                     47 /* tex5/1 */

#define R200_EMIT_VTE_CNTL                          48 /* vte/1 */

#define R200_EMIT_OUTPUT_VTX_COMP_SEL               49 /* vtx/1 */

#define R200_EMIT_PP_TAM_DEBUG3                     50 /* tam/1 */

#define R200_EMIT_PP_CNTL_X                         51 /* cst/1 */

#define R200_EMIT_RB3D_DEPTHXY_OFFSET               52 /* cst/1 */

#define R200_EMIT_RE_AUX_SCISSOR_CNTL               53 /* cst/1 */

#define R200_EMIT_RE_SCISSOR_TL_0                   54 /* cst/2 */

#define R200_EMIT_RE_SCISSOR_TL_1                   55 /* cst/2 */

#define R200_EMIT_RE_SCISSOR_TL_2                   56 /* cst/2 */

#define R200_EMIT_SE_VAP_CNTL_STATUS                57 /* cst/1 */

#define R200_EMIT_SE_VTX_STATE_CNTL                 58 /* cst/1 */

#define R200_EMIT_RE_POINTSIZE                      59 /* cst/1 */

#define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60 /* cst/4 */

#define R200_EMIT_PP_CUBIC_FACES_0                  61

#define R200_EMIT_PP_CUBIC_OFFSETS_0                62

#define R200_EMIT_PP_CUBIC_FACES_1                  63

#define R200_EMIT_PP_CUBIC_OFFSETS_1                64

#define R200_EMIT_PP_CUBIC_FACES_2                  65

#define R200_EMIT_PP_CUBIC_OFFSETS_2                66

#define R200_EMIT_PP_CUBIC_FACES_3                  67

#define R200_EMIT_PP_CUBIC_OFFSETS_3                68

#define R200_EMIT_PP_CUBIC_FACES_4                  69

#define R200_EMIT_PP_CUBIC_OFFSETS_4                70

#define R200_EMIT_PP_CUBIC_FACES_5                  71

#define R200_EMIT_PP_CUBIC_OFFSETS_5                72

#define RADEON_MAX_STATE_PACKETS                    73

/* Commands understood by cmd_buffer ioctl.  More can be added but

 * obviously these can't be removed or changed:

 */

#define RADEON_CMD_PACKET      1 /* emit one of the register packets above */

#define RADEON_CMD_SCALARS     2 /* emit scalar data */

#define RADEON_CMD_VECTORS     3 /* emit vector data */

#define RADEON_CMD_DMA_DISCARD 4 /* discard current dma buf */

#define RADEON_CMD_PACKET3     5 /* emit hw packet */

#define RADEON_CMD_PACKET3_CLIP 6 /* emit hw packet wrapped in cliprects */

#define RADEON_CMD_SCALARS2     7 /* r200 stopgap */

#define RADEON_CMD_WAIT         8 /* emit hw wait commands -- note:

                                   *  doesn't make the cpu wait, just

                                   *  the graphics hardware */

typedef union {

        int i;

        struct {

                unsigned char cmd_type, pad0, pad1, pad2;

        } header;

        struct {

                unsigned char cmd_type, packet_id, pad0, pad1;

        } packet;

        struct {

                unsigned char cmd_type, offset, stride, count;

        } scalars;

        struct {

                unsigned char cmd_type, offset, stride, count;

        } vectors;

        struct {

                unsigned char cmd_type, buf_idx, pad0, pad1;

        } dma;

        struct {

                unsigned char cmd_type, flags, pad0, pad1;

        } wait;

} drm_radeon_cmd_header_t;

#define RADEON_WAIT_2D  0x1

#define RADEON_WAIT_3D  0x2

#define RADEON_FRONT                    0x1

#define RADEON_BACK                     0x2

#define RADEON_DEPTH                    0x4

#define RADEON_STENCIL                  0x8

/* Primitive types

 */

#define RADEON_POINTS                   0x1

#define RADEON_LINES                    0x2

#define RADEON_LINE_STRIP               0x3

#define RADEON_TRIANGLES                0x4

#define RADEON_TRIANGLE_FAN             0x5

#define RADEON_TRIANGLE_STRIP           0x6

/* Vertex/indirect buffer size

 */

#define RADEON_BUFFER_SIZE              65536

/* Byte offsets for indirect buffer data

 */

#define RADEON_INDEX_PRIM_OFFSET        20

#define RADEON_SCRATCH_REG_OFFSET       32

#define RADEON_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 RADEON_LOCAL_TEX_HEAP           0

#define RADEON_AGP_TEX_HEAP             1

#define RADEON_NR_TEX_HEAPS             2

#define RADEON_NR_TEX_REGIONS           64

#define RADEON_LOG_TEX_GRANULARITY      16

#define RADEON_MAX_TEXTURE_LEVELS       12

#define RADEON_MAX_TEXTURE_UNITS        3

#endif /* __RADEON_SAREA_DEFINES__ */

typedef struct {

        unsigned int red;

        unsigned int green;

        unsigned int blue;

        unsigned int alpha;

} radeon_color_regs_t;

typedef struct {

        /* Context state */

        unsigned int pp_misc;                           /* 0x1c14 */

        unsigned int pp_fog_color;

        unsigned int re_solid_color;

        unsigned int rb3d_blendcntl;

        unsigned int rb3d_depthoffset;

        unsigned int rb3d_depthpitch;

        unsigned int rb3d_zstencilcntl;

        unsigned int pp_cntl;                           /* 0x1c38 */

        unsigned int rb3d_cntl;

        unsigned int rb3d_coloroffset;

        unsigned int re_width_height;

        unsigned int rb3d_colorpitch;

        unsigned int se_cntl;

        /* Vertex format state */

        unsigned int se_coord_fmt;                      /* 0x1c50 */

        /* Line state */

        unsigned int re_line_pattern;                   /* 0x1cd0 */

        unsigned int re_line_state;

        unsigned int se_line_width;                     /* 0x1db8 */

        /* Bumpmap state */

        unsigned int pp_lum_matrix;                     /* 0x1d00 */

        unsigned int pp_rot_matrix_0;                   /* 0x1d58 */

        unsigned int pp_rot_matrix_1;

        /* Mask state */

        unsigned int rb3d_stencilrefmask;               /* 0x1d7c */

        unsigned int rb3d_ropcntl;

        unsigned int rb3d_planemask;

        /* Viewport state */

        unsigned int se_vport_xscale;                   /* 0x1d98 */

        unsigned int se_vport_xoffset;

        unsigned int se_vport_yscale;

        unsigned int se_vport_yoffset;

        unsigned int se_vport_zscale;

        unsigned int se_vport_zoffset;

        /* Setup state */

        unsigned int se_cntl_status;                    /* 0x2140 */

        /* Misc state */

        unsigned int re_top_left;                       /* 0x26c0 */

        unsigned int re_misc;

} drm_radeon_context_regs_t;

typedef struct {

        /* Zbias state */

        unsigned int se_zbias_factor;                   /* 0x1dac */

        unsigned int se_zbias_constant;

} drm_radeon_context2_regs_t;

/* Setup registers for each texture unit

 */

typedef struct {

        unsigned int pp_txfilter;

        unsigned int pp_txformat;

        unsigned int pp_txoffset;

        unsigned int pp_txcblend;

        unsigned int pp_txablend;

        unsigned int pp_tfactor;

        unsigned int pp_border_color;

} drm_radeon_texture_regs_t;

typedef struct {

        unsigned int start;

        unsigned int finish;

        unsigned int prim:8;

        unsigned int stateidx:8;

        unsigned int numverts:16; /* overloaded as offset/64 for elt prims */

        unsigned int vc_format;   /* vertex format */

} drm_radeon_prim_t;

typedef struct {

        drm_radeon_context_regs_t context;

        drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS];

        drm_radeon_context2_regs_t context2;

        unsigned int dirty;

} drm_radeon_state_t;

typedef struct {

        unsigned char next, prev;

        unsigned char in_use;

        int age;

} drm_radeon_tex_region_t;

typedef struct {

        /* The channel for communication of state information to the

         * kernel on firing a vertex buffer with either of the

         * obsoleted vertex/index ioctls.

         */

        drm_radeon_context_regs_t context_state;

        drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS];

        unsigned int dirty;

        unsigned int vertsize;

        unsigned int vc_format;

        /* The current cliprects, or a subset thereof.

         */

        drm_clip_rect_t boxes[RADEON_NR_SAREA_CLIPRECTS];

        unsigned int nbox;

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

         */

        unsigned int last_frame;

        unsigned int last_dispatch;

        unsigned int last_clear;

        drm_radeon_tex_region_t tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1];

        int tex_age[RADEON_NR_TEX_HEAPS];

        int ctx_owner;

        int pfState;                /* number of 3d windows (0,1,2ormore) */

        int pfCurrentPage;          /* which buffer is being displayed? */

        int crtc2_base;             /* CRTC2 frame offset */

} drm_radeon_sarea_t;

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

 * defines in the Xserver file (xf86drmRadeon.h)

 *

 * KW: actually it's illegal to change any of this (backwards compatibility).

 */

/* Radeon specific ioctls

 * The device specific ioctl range is 0x40 to 0x79.

 */

#define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( 0x40, drm_radeon_init_t)

#define DRM_IOCTL_RADEON_CP_START   DRM_IO(  0x41)

#define DRM_IOCTL_RADEON_CP_STOP    DRM_IOW( 0x42, drm_radeon_cp_stop_t)

#define DRM_IOCTL_RADEON_CP_RESET   DRM_IO(  0x43)

#define DRM_IOCTL_RADEON_CP_IDLE    DRM_IO(  0x44)

#define DRM_IOCTL_RADEON_RESET      DRM_IO(  0x45)

#define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( 0x46, drm_radeon_fullscreen_t)

#define DRM_IOCTL_RADEON_SWAP       DRM_IO(  0x47)

#define DRM_IOCTL_RADEON_CLEAR      DRM_IOW( 0x48, drm_radeon_clear_t)

#define DRM_IOCTL_RADEON_VERTEX     DRM_IOW( 0x49, drm_radeon_vertex_t)

#define DRM_IOCTL_RADEON_INDICES    DRM_IOW( 0x4a, drm_radeon_indices_t)

#define DRM_IOCTL_RADEON_STIPPLE    DRM_IOW( 0x4c, drm_radeon_stipple_t)

#define DRM_IOCTL_RADEON_INDIRECT   DRM_IOWR(0x4d, drm_radeon_indirect_t)

#define DRM_IOCTL_RADEON_TEXTURE    DRM_IOWR(0x4e, drm_radeon_texture_t)

#define DRM_IOCTL_RADEON_VERTEX2    DRM_IOW( 0x4f, drm_radeon_vertex2_t)

#define DRM_IOCTL_RADEON_CMDBUF     DRM_IOW( 0x50, drm_radeon_cmd_buffer_t)

#define DRM_IOCTL_RADEON_GETPARAM   DRM_IOWR(0x51, drm_radeon_getparam_t)

#define DRM_IOCTL_RADEON_FLIP       DRM_IO(  0x52)

#define DRM_IOCTL_RADEON_ALLOC      DRM_IOWR( 0x53, drm_radeon_mem_alloc_t)

#define DRM_IOCTL_RADEON_FREE       DRM_IOW( 0x54, drm_radeon_mem_free_t)

#define DRM_IOCTL_RADEON_INIT_HEAP  DRM_IOW( 0x55, drm_radeon_mem_init_heap_t)

#define DRM_IOCTL_RADEON_IRQ_EMIT   DRM_IOWR( 0x56, drm_radeon_irq_emit_t)

#define DRM_IOCTL_RADEON_IRQ_WAIT   DRM_IOW( 0x57, drm_radeon_irq_wait_t)

typedef struct drm_radeon_init {

        enum {

                RADEON_INIT_CP    = 0x01,

                RADEON_CLEANUP_CP = 0x02,

                RADEON_INIT_R200_CP = 0x03,

        } func;

        unsigned long sarea_priv_offset;

        int is_pci;

        int cp_mode;

        int agp_size;

        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 long fb_offset;

        unsigned long mmio_offset;

        unsigned long ring_offset;

        unsigned long ring_rptr_offset;

        unsigned long buffers_offset;

        unsigned long agp_textures_offset;

} drm_radeon_init_t;

typedef struct drm_radeon_cp_stop {

        int flush;

        int idle;

} drm_radeon_cp_stop_t;

typedef struct drm_radeon_fullscreen {

        enum {

                RADEON_INIT_FULLSCREEN    = 0x01,

                RADEON_CLEANUP_FULLSCREEN = 0x02

        } func;

} drm_radeon_fullscreen_t;

#define CLEAR_X1        0

#define CLEAR_Y1        1

#define CLEAR_X2        2

#define CLEAR_Y2        3

#define CLEAR_DEPTH     4

typedef union drm_radeon_clear_rect {

        float f[5];

        unsigned int ui[5];

} drm_radeon_clear_rect_t;

typedef struct drm_radeon_clear {

        unsigned int flags;

        unsigned int clear_color;

        unsigned int clear_depth;

        unsigned int color_mask;

        unsigned int depth_mask;   /* misnamed field:  should be stencil */

        drm_radeon_clear_rect_t *depth_boxes;

} drm_radeon_clear_t;

typedef struct drm_radeon_vertex {

        int prim;

        int idx;                        /* Index of vertex buffer */

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

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

} drm_radeon_vertex_t;

typedef struct drm_radeon_indices {

        int prim;

        int idx;

        int start;

        int end;

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

} drm_radeon_indices_t;

/* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices

 *      - allows multiple primitives and state changes in a single ioctl

 *      - supports driver change to emit native primitives

 */

typedef struct drm_radeon_vertex2 {

        int idx;                        /* Index of vertex buffer */

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

        int nr_states;

        drm_radeon_state_t *state;

        int nr_prims;

        drm_radeon_prim_t *prim;

} drm_radeon_vertex2_t;

/* v1.3 - obsoletes drm_radeon_vertex2

 *      - allows arbitarily large cliprect list

 *      - allows updating of tcl packet, vector and scalar state

 *      - allows memory-efficient description of state updates

 *      - allows state to be emitted without a primitive

 *           (for clears, ctx switches)

 *      - allows more than one dma buffer to be referenced per ioctl

 *      - supports tcl driver

 *      - may be extended in future versions with new cmd types, packets

 */

typedef struct drm_radeon_cmd_buffer {

        int bufsz;

        char *buf;

        int nbox;

        drm_clip_rect_t *boxes;

} drm_radeon_cmd_buffer_t;

typedef struct drm_radeon_tex_image {

        unsigned int x, y;              /* Blit coordinates */

        unsigned int width, height;

        const void *data;

} drm_radeon_tex_image_t;

typedef struct drm_radeon_texture {

        int offset;

        int pitch;

        int format;

        int width;                      /* Texture image coordinates */

        int height;

        drm_radeon_tex_image_t *image;

} drm_radeon_texture_t;

typedef struct drm_radeon_stipple {

        unsigned int *mask;

} drm_radeon_stipple_t;

typedef struct drm_radeon_indirect {

        int idx;

        int start;

        int end;

        int discard;

} drm_radeon_indirect_t;

/* 1.3: An ioctl to get parameters that aren't available to the 3d

 * client any other way.

 */

#define RADEON_PARAM_AGP_BUFFER_OFFSET     1 /* card offset of 1st agp buffer */

#define RADEON_PARAM_LAST_FRAME            2

#define RADEON_PARAM_LAST_DISPATCH         3

#define RADEON_PARAM_LAST_CLEAR            4

#define RADEON_PARAM_IRQ_NR                5

#define RADEON_PARAM_AGP_BASE              6 /* card offset of agp base */

typedef struct drm_radeon_getparam {

        int param;

        int *value;

} drm_radeon_getparam_t;

/* 1.6: Set up a memory manager for regions of shared memory:

 */

#define RADEON_MEM_REGION_AGP 1

#define RADEON_MEM_REGION_FB  2

typedef struct drm_radeon_mem_alloc {

        int region;

        int alignment;

        int size;

        int *region_offset;     /* offset from start of fb or agp */

} drm_radeon_mem_alloc_t;

typedef struct drm_radeon_mem_free {

        int region;

        int region_offset;

} drm_radeon_mem_free_t;

typedef struct drm_radeon_mem_init_heap {

        int region;

        int size;

        int start;

} drm_radeon_mem_init_heap_t;

/* 1.6: Userspace can request & wait on irq's:

 */

typedef struct drm_radeon_irq_emit {

        int *irq_seq;

} drm_radeon_irq_emit_t;

typedef struct drm_radeon_irq_wait {

        int irq_seq;

} drm_radeon_irq_wait_t;

#endif