/* mach64_drm.h -- Public header for the mach64 driver -*- linux-c -*-
* Created: Thu Nov 30 20:04:32 2000 by gareth@valinux.com
*/
/*
* Copyright 2000 Gareth Hughes
* Copyright 2002 Frank C. Earl
* Copyright 2002-2003 Leif Delgass
* 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
* THE COPYRIGHT OWNER(S) 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>
* Frank C. Earl <fearl@airmail.net>
* Leif Delgass <ldelgass@retinalburn.net>
*/
#ifndef __MACH64_DRM_H__
#define __MACH64_DRM_H__
/* WARNING: If you change any of these defines, make sure to change the
* defines in the Xserver file (mach64_sarea.h)
*/
#ifndef __MACH64_SAREA_DEFINES__
#define __MACH64_SAREA_DEFINES__
/* What needs to be changed for the current vertex buffer?
* GH: We're going to be pedantic about this. We want the card to do as
* little as possible, so let's avoid having it fetch a whole bunch of
* register values that don't change all that often, if at all.
*/
#define MACH64_UPLOAD_DST_OFF_PITCH 0x0001
#define MACH64_UPLOAD_Z_OFF_PITCH 0x0002
#define MACH64_UPLOAD_Z_ALPHA_CNTL 0x0004
#define MACH64_UPLOAD_SCALE_3D_CNTL 0x0008
#define MACH64_UPLOAD_DP_FOG_CLR 0x0010
#define MACH64_UPLOAD_DP_WRITE_MASK 0x0020
#define MACH64_UPLOAD_DP_PIX_WIDTH 0x0040
#define MACH64_UPLOAD_SETUP_CNTL 0x0080
#define MACH64_UPLOAD_MISC 0x0100
#define MACH64_UPLOAD_TEXTURE 0x0200
#define MACH64_UPLOAD_TEX0IMAGE 0x0400
#define MACH64_UPLOAD_TEX1IMAGE 0x0800
#define MACH64_UPLOAD_CLIPRECTS 0x1000 /* handled client-side */
#define MACH64_UPLOAD_CONTEXT 0x00ff
#define MACH64_UPLOAD_ALL 0x1fff
/* DMA buffer size
*/
#define MACH64_BUFFER_SIZE 16384
/* Max number of swaps allowed on the ring
* before the client must wait
*/
#define MACH64_MAX_QUEUED_FRAMES 3U
/* Byte offsets for host blit buffer data
*/
#define MACH64_HOSTDATA_BLIT_OFFSET 104
/* Keep these small for testing.
*/
#define MACH64_NR_SAREA_CLIPRECTS 8
#define MACH64_CARD_HEAP 0
#define MACH64_AGP_HEAP 1
#define MACH64_NR_TEX_HEAPS 2
#define MACH64_NR_TEX_REGIONS 64
#define MACH64_LOG_TEX_GRANULARITY 16
#define MACH64_TEX_MAXLEVELS 1
#define MACH64_NR_CONTEXT_REGS 15
#define MACH64_NR_TEXTURE_REGS 4
#endif /* __MACH64_SAREA_DEFINES__ */
typedef struct {
unsigned int dst_off_pitch;
unsigned int z_off_pitch;
unsigned int z_cntl;
unsigned int alpha_tst_cntl;
unsigned int scale_3d_cntl;
unsigned int sc_left_right;
unsigned int sc_top_bottom;
unsigned int dp_fog_clr;
unsigned int dp_write_mask;
unsigned int dp_pix_width;
unsigned int dp_mix;
unsigned int dp_src;
unsigned int clr_cmp_cntl;
unsigned int gui_traj_cntl;
unsigned int setup_cntl;
unsigned int tex_size_pitch;
unsigned int tex_cntl;
unsigned int secondary_tex_off;
unsigned int tex_offset;
} drm_mach64_context_regs_t;
typedef struct drm_mach64_sarea {
/* The channel for communication of state information to the kernel
* on firing a vertex dma buffer.
*/
drm_mach64_context_regs_t context_state;
unsigned int dirty;
unsigned int vertsize;
/* The current cliprects, or a subset thereof.
*/
struct drm_clip_rect boxes[MACH64_NR_SAREA_CLIPRECTS];
unsigned int nbox;
/* Counters for client-side throttling of rendering clients.
*/
unsigned int frames_queued;
/* Texture memory LRU.
*/
struct drm_tex_region tex_list[MACH64_NR_TEX_HEAPS][MACH64_NR_TEX_REGIONS +
1];
unsigned int tex_age[MACH64_NR_TEX_HEAPS];
int ctx_owner;
} drm_mach64_sarea_t;
/* WARNING: If you change any of these defines, make sure to change the
* defines in the Xserver file (mach64_common.h)
*/
/* Mach64 specific ioctls
* The device specific ioctl range is 0x40 to 0x79.
*/
#define DRM_MACH64_INIT 0x00
#define DRM_MACH64_IDLE 0x01
#define DRM_MACH64_RESET 0x02
#define DRM_MACH64_SWAP 0x03
#define DRM_MACH64_CLEAR 0x04
#define DRM_MACH64_VERTEX 0x05
#define DRM_MACH64_BLIT 0x06
#define DRM_MACH64_FLUSH 0x07
#define DRM_MACH64_GETPARAM 0x08
#define DRM_IOCTL_MACH64_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_INIT, drm_mach64_init_t)
#define DRM_IOCTL_MACH64_IDLE DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_IDLE )
#define DRM_IOCTL_MACH64_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_RESET )
#define DRM_IOCTL_MACH64_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_SWAP )
#define DRM_IOCTL_MACH64_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_CLEAR, drm_mach64_clear_t)
#define DRM_IOCTL_MACH64_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_VERTEX, drm_mach64_vertex_t)
#define DRM_IOCTL_MACH64_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MACH64_BLIT, drm_mach64_blit_t)
#define DRM_IOCTL_MACH64_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_MACH64_FLUSH )
#define DRM_IOCTL_MACH64_GETPARAM DRM_IOWR( DRM_COMMAND_BASE + DRM_MACH64_GETPARAM, drm_mach64_getparam_t)
/* Buffer flags for clears
*/
#define MACH64_FRONT 0x1
#define MACH64_BACK 0x2
#define MACH64_DEPTH 0x4
/* Primitive types for vertex buffers
*/
#define MACH64_PRIM_POINTS 0x00000000
#define MACH64_PRIM_LINES 0x00000001
#define MACH64_PRIM_LINE_LOOP 0x00000002
#define MACH64_PRIM_LINE_STRIP 0x00000003
#define MACH64_PRIM_TRIANGLES 0x00000004
#define MACH64_PRIM_TRIANGLE_STRIP 0x00000005
#define MACH64_PRIM_TRIANGLE_FAN 0x00000006
#define MACH64_PRIM_QUADS 0x00000007
#define MACH64_PRIM_QUAD_STRIP 0x00000008
#define MACH64_PRIM_POLYGON 0x00000009
typedef enum _drm_mach64_dma_mode_t {
MACH64_MODE_DMA_ASYNC,
MACH64_MODE_DMA_SYNC,
MACH64_MODE_MMIO
} drm_mach64_dma_mode_t;
typedef struct drm_mach64_init {
enum {
DRM_MACH64_INIT_DMA = 0x01,
DRM_MACH64_CLEANUP_DMA = 0x02
} func;
unsigned long sarea_priv_offset;
int is_pci;
drm_mach64_dma_mode_t dma_mode;
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 buffers_offset;
unsigned long agp_textures_offset;
} drm_mach64_init_t;
typedef struct drm_mach64_clear {
unsigned int flags;
int x, y, w, h;
unsigned int clear_color;
unsigned int clear_depth;
} drm_mach64_clear_t;
typedef struct drm_mach64_vertex {
int prim;
void *buf; /* Address of vertex buffer */
unsigned long used; /* Number of bytes in buffer */
int discard; /* Client finished with buffer? */
} drm_mach64_vertex_t;
typedef struct drm_mach64_blit {
void *buf;
int pitch;
int offset;
int format;
unsigned short x, y;
unsigned short width, height;
} drm_mach64_blit_t;
typedef struct drm_mach64_getparam {
enum {
MACH64_PARAM_FRAMES_QUEUED = 0x01,
MACH64_PARAM_IRQ_NR = 0x02
} param;
void *value;
} drm_mach64_getparam_t;
#endif