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/* 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:

 *    Gareth Hughes <gareth@valinux.com>

 *    Kevin E. Martin <martin@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

 */

#define R128_BUFFER_SIZE                16384

/* Byte offsets for indirect buffer data

 */

#define R128_INDEX_PRIM_OFFSET          20

#define R128_HOSTDATA_BLIT_OFFSET       32

/* 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_MAX_TEXTURE_LEVELS         11

#define R128_MAX_TEXTURE_UNITS          2

#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_MAX_TEXTURE_LEVELS];

        unsigned int tex_border_color;

} drm_r128_texture_regs_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_MAX_TEXTURE_UNITS];

        unsigned int dirty;

        unsigned int vertsize;

        unsigned int vc_format;

        /* The current cliprects, or a subset thereof.

         */

        struct drm_clip_rect boxes[R128_NR_SAREA_CLIPRECTS];

        unsigned int nbox;

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

         */

        unsigned int last_frame;

        unsigned int last_dispatch;

        struct drm_tex_region tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS + 1];

        unsigned int tex_age[R128_NR_TEX_HEAPS];

        int ctx_owner;

        int pfAllowPageFlip;    /* number of 3d windows (0,1,2 or more) */

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

} drm_r128_sarea_t;

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

 * defines in the Xserver file (xf86drmR128.h)

 */

/* Rage 128 specific ioctls

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

 */

#define DRM_R128_INIT       0x00

#define DRM_R128_CCE_START  0x01

#define DRM_R128_CCE_STOP   0x02

#define DRM_R128_CCE_RESET  0x03

#define DRM_R128_CCE_IDLE   0x04

/* 0x05 not used */

#define DRM_R128_RESET      0x06

#define DRM_R128_SWAP       0x07

#define DRM_R128_CLEAR      0x08

#define DRM_R128_VERTEX     0x09

#define DRM_R128_INDICES    0x0a

#define DRM_R128_BLIT       0x0b

#define DRM_R128_DEPTH      0x0c

#define DRM_R128_STIPPLE    0x0d

/* 0x0e not used */

#define DRM_R128_INDIRECT   0x0f

#define DRM_R128_FULLSCREEN 0x10

#define DRM_R128_CLEAR2     0x11

#define DRM_R128_GETPARAM   0x12

#define DRM_R128_FLIP       0x13

#define DRM_IOCTL_R128_INIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INIT, drm_r128_init_t)

#define DRM_IOCTL_R128_CCE_START  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_START)

#define DRM_IOCTL_R128_CCE_STOP   DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CCE_STOP, drm_r128_cce_stop_t)

#define DRM_IOCTL_R128_CCE_RESET  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_RESET)

#define DRM_IOCTL_R128_CCE_IDLE   DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_IDLE)

/* 0x05 not used */

#define DRM_IOCTL_R128_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_R128_RESET)

#define DRM_IOCTL_R128_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_SWAP)

#define DRM_IOCTL_R128_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR, drm_r128_clear_t)

#define DRM_IOCTL_R128_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_VERTEX, drm_r128_vertex_t)

#define DRM_IOCTL_R128_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INDICES, drm_r128_indices_t)

#define DRM_IOCTL_R128_BLIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_BLIT, drm_r128_blit_t)

#define DRM_IOCTL_R128_DEPTH      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_DEPTH, drm_r128_depth_t)

#define DRM_IOCTL_R128_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_STIPPLE, drm_r128_stipple_t)

/* 0x0e not used */

#define DRM_IOCTL_R128_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_R128_INDIRECT, drm_r128_indirect_t)

#define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_R128_FULLSCREEN, drm_r128_fullscreen_t)

#define DRM_IOCTL_R128_CLEAR2     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR2, drm_r128_clear2_t)

#define DRM_IOCTL_R128_GETPARAM   DRM_IOWR( DRM_COMMAND_BASE + DRM_R128_GETPARAM, drm_r128_getparam_t)

#define DRM_IOCTL_R128_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_FLIP)

typedef struct drm_r128_init {

        enum {

                R128_INIT_CCE = 0x01,

                R128_CLEANUP_CCE = 0x02

        } func;

        unsigned long 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 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_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;

        unsigned int clear_color;

        unsigned int clear_depth;

        unsigned int color_mask;

        unsigned int depth_mask;

} 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_indirect {

        int idx;

        int start;

        int end;

        int discard;

} drm_r128_indirect_t;

typedef struct drm_r128_fullscreen {

        enum {

                R128_INIT_FULLSCREEN = 0x01,

                R128_CLEANUP_FULLSCREEN = 0x02

        } func;

} drm_r128_fullscreen_t;

/* 2.3: An ioctl to get parameters that aren't available to the 3d

 * client any other way.

 */

#define R128_PARAM_IRQ_NR            1

typedef struct drm_r128_getparam {

        int param;

        void *value;

} drm_r128_getparam_t;

#endif