Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
		
			
				
	
	
		
			326 lines
		
	
	
	
		
			9.7 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			326 lines
		
	
	
	
		
			9.7 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-
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 * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com
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 */
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/*
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 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
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 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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 * All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 *
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 * Authors:
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 *    Gareth Hughes <gareth@valinux.com>
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 *    Kevin E. Martin <martin@valinux.com>
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 */
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#ifndef __R128_DRM_H__
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#define __R128_DRM_H__
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/* WARNING: If you change any of these defines, make sure to change the
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 * defines in the X server file (r128_sarea.h)
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 */
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#ifndef __R128_SAREA_DEFINES__
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#define __R128_SAREA_DEFINES__
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/* What needs to be changed for the current vertex buffer?
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 */
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#define R128_UPLOAD_CONTEXT		0x001
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#define R128_UPLOAD_SETUP		0x002
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#define R128_UPLOAD_TEX0		0x004
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#define R128_UPLOAD_TEX1		0x008
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#define R128_UPLOAD_TEX0IMAGES		0x010
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#define R128_UPLOAD_TEX1IMAGES		0x020
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#define R128_UPLOAD_CORE		0x040
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#define R128_UPLOAD_MASKS		0x080
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#define R128_UPLOAD_WINDOW		0x100
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#define R128_UPLOAD_CLIPRECTS		0x200	/* handled client-side */
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#define R128_REQUIRE_QUIESCENCE		0x400
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#define R128_UPLOAD_ALL			0x7ff
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#define R128_FRONT			0x1
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#define R128_BACK			0x2
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#define R128_DEPTH			0x4
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/* Primitive types
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 */
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#define R128_POINTS			0x1
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#define R128_LINES			0x2
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#define R128_LINE_STRIP			0x3
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#define R128_TRIANGLES			0x4
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#define R128_TRIANGLE_FAN		0x5
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#define R128_TRIANGLE_STRIP		0x6
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/* Vertex/indirect buffer size
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 */
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#define R128_BUFFER_SIZE		16384
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/* Byte offsets for indirect buffer data
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 */
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#define R128_INDEX_PRIM_OFFSET		20
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#define R128_HOSTDATA_BLIT_OFFSET	32
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/* Keep these small for testing.
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 */
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#define R128_NR_SAREA_CLIPRECTS		12
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/* There are 2 heaps (local/AGP).  Each region within a heap is a
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 *  minimum of 64k, and there are at most 64 of them per heap.
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 */
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#define R128_LOCAL_TEX_HEAP		0
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#define R128_AGP_TEX_HEAP		1
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#define R128_NR_TEX_HEAPS		2
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#define R128_NR_TEX_REGIONS		64
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#define R128_LOG_TEX_GRANULARITY	16
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#define R128_NR_CONTEXT_REGS		12
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#define R128_MAX_TEXTURE_LEVELS		11
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#define R128_MAX_TEXTURE_UNITS		2
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#endif				/* __R128_SAREA_DEFINES__ */
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typedef struct {
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	/* Context state - can be written in one large chunk */
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	unsigned int dst_pitch_offset_c;
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	unsigned int dp_gui_master_cntl_c;
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	unsigned int sc_top_left_c;
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	unsigned int sc_bottom_right_c;
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	unsigned int z_offset_c;
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	unsigned int z_pitch_c;
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	unsigned int z_sten_cntl_c;
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	unsigned int tex_cntl_c;
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	unsigned int misc_3d_state_cntl_reg;
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	unsigned int texture_clr_cmp_clr_c;
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	unsigned int texture_clr_cmp_msk_c;
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	unsigned int fog_color_c;
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	/* Texture state */
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	unsigned int tex_size_pitch_c;
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	unsigned int constant_color_c;
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	/* Setup state */
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	unsigned int pm4_vc_fpu_setup;
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	unsigned int setup_cntl;
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	/* Mask state */
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	unsigned int dp_write_mask;
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	unsigned int sten_ref_mask_c;
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	unsigned int plane_3d_mask_c;
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	/* Window state */
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	unsigned int window_xy_offset;
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	/* Core state */
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	unsigned int scale_3d_cntl;
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} drm_r128_context_regs_t;
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/* Setup registers for each texture unit
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 */
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typedef struct {
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	unsigned int tex_cntl;
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	unsigned int tex_combine_cntl;
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	unsigned int tex_size_pitch;
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	unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
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	unsigned int tex_border_color;
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} drm_r128_texture_regs_t;
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typedef struct drm_r128_sarea {
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	/* The channel for communication of state information to the kernel
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	 * on firing a vertex buffer.
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	 */
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	drm_r128_context_regs_t context_state;
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	drm_r128_texture_regs_t tex_state[R128_MAX_TEXTURE_UNITS];
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	unsigned int dirty;
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	unsigned int vertsize;
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	unsigned int vc_format;
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	/* The current cliprects, or a subset thereof.
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	 */
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	struct drm_clip_rect boxes[R128_NR_SAREA_CLIPRECTS];
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	unsigned int nbox;
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	/* Counters for client-side throttling of rendering clients.
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	 */
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	unsigned int last_frame;
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	unsigned int last_dispatch;
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	struct drm_tex_region tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS + 1];
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	unsigned int tex_age[R128_NR_TEX_HEAPS];
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	int ctx_owner;
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	int pfAllowPageFlip;	/* number of 3d windows (0,1,2 or more) */
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	int pfCurrentPage;	/* which buffer is being displayed? */
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} drm_r128_sarea_t;
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/* WARNING: If you change any of these defines, make sure to change the
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 * defines in the Xserver file (xf86drmR128.h)
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 */
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/* Rage 128 specific ioctls
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 * The device specific ioctl range is 0x40 to 0x79.
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 */
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#define DRM_R128_INIT       0x00
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#define DRM_R128_CCE_START  0x01
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#define DRM_R128_CCE_STOP   0x02
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#define DRM_R128_CCE_RESET  0x03
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#define DRM_R128_CCE_IDLE   0x04
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/* 0x05 not used */
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#define DRM_R128_RESET      0x06
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#define DRM_R128_SWAP       0x07
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#define DRM_R128_CLEAR      0x08
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#define DRM_R128_VERTEX     0x09
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#define DRM_R128_INDICES    0x0a
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#define DRM_R128_BLIT       0x0b
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#define DRM_R128_DEPTH      0x0c
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#define DRM_R128_STIPPLE    0x0d
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/* 0x0e not used */
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#define DRM_R128_INDIRECT   0x0f
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#define DRM_R128_FULLSCREEN 0x10
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#define DRM_R128_CLEAR2     0x11
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#define DRM_R128_GETPARAM   0x12
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#define DRM_R128_FLIP       0x13
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#define DRM_IOCTL_R128_INIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INIT, drm_r128_init_t)
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#define DRM_IOCTL_R128_CCE_START  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_START)
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#define DRM_IOCTL_R128_CCE_STOP   DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CCE_STOP, drm_r128_cce_stop_t)
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#define DRM_IOCTL_R128_CCE_RESET  DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_RESET)
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#define DRM_IOCTL_R128_CCE_IDLE   DRM_IO(  DRM_COMMAND_BASE + DRM_R128_CCE_IDLE)
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/* 0x05 not used */
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#define DRM_IOCTL_R128_RESET      DRM_IO(  DRM_COMMAND_BASE + DRM_R128_RESET)
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#define DRM_IOCTL_R128_SWAP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_SWAP)
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#define DRM_IOCTL_R128_CLEAR      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR, drm_r128_clear_t)
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#define DRM_IOCTL_R128_VERTEX     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_VERTEX, drm_r128_vertex_t)
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#define DRM_IOCTL_R128_INDICES    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INDICES, drm_r128_indices_t)
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#define DRM_IOCTL_R128_BLIT       DRM_IOW( DRM_COMMAND_BASE + DRM_R128_BLIT, drm_r128_blit_t)
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#define DRM_IOCTL_R128_DEPTH      DRM_IOW( DRM_COMMAND_BASE + DRM_R128_DEPTH, drm_r128_depth_t)
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#define DRM_IOCTL_R128_STIPPLE    DRM_IOW( DRM_COMMAND_BASE + DRM_R128_STIPPLE, drm_r128_stipple_t)
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/* 0x0e not used */
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#define DRM_IOCTL_R128_INDIRECT   DRM_IOWR(DRM_COMMAND_BASE + DRM_R128_INDIRECT, drm_r128_indirect_t)
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#define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_R128_FULLSCREEN, drm_r128_fullscreen_t)
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#define DRM_IOCTL_R128_CLEAR2     DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR2, drm_r128_clear2_t)
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#define DRM_IOCTL_R128_GETPARAM   DRM_IOWR( DRM_COMMAND_BASE + DRM_R128_GETPARAM, drm_r128_getparam_t)
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#define DRM_IOCTL_R128_FLIP       DRM_IO(  DRM_COMMAND_BASE + DRM_R128_FLIP)
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typedef struct drm_r128_init {
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	enum {
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		R128_INIT_CCE = 0x01,
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		R128_CLEANUP_CCE = 0x02
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	} func;
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	unsigned long sarea_priv_offset;
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	int is_pci;
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	int cce_mode;
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	int cce_secure;
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	int ring_size;
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	int usec_timeout;
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	unsigned int fb_bpp;
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	unsigned int front_offset, front_pitch;
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	unsigned int back_offset, back_pitch;
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	unsigned int depth_bpp;
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	unsigned int depth_offset, depth_pitch;
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	unsigned int span_offset;
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	unsigned long fb_offset;
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	unsigned long mmio_offset;
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	unsigned long ring_offset;
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	unsigned long ring_rptr_offset;
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	unsigned long buffers_offset;
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	unsigned long agp_textures_offset;
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} drm_r128_init_t;
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typedef struct drm_r128_cce_stop {
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	int flush;
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	int idle;
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} drm_r128_cce_stop_t;
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typedef struct drm_r128_clear {
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	unsigned int flags;
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	unsigned int clear_color;
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	unsigned int clear_depth;
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	unsigned int color_mask;
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	unsigned int depth_mask;
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} drm_r128_clear_t;
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typedef struct drm_r128_vertex {
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	int prim;
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	int idx;		/* Index of vertex buffer */
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	int count;		/* Number of vertices in buffer */
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	int discard;		/* Client finished with buffer? */
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} drm_r128_vertex_t;
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typedef struct drm_r128_indices {
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	int prim;
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	int idx;
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	int start;
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	int end;
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	int discard;		/* Client finished with buffer? */
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} drm_r128_indices_t;
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typedef struct drm_r128_blit {
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	int idx;
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	int pitch;
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	int offset;
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	int format;
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	unsigned short x, y;
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	unsigned short width, height;
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} drm_r128_blit_t;
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typedef struct drm_r128_depth {
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	enum {
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		R128_WRITE_SPAN = 0x01,
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		R128_WRITE_PIXELS = 0x02,
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		R128_READ_SPAN = 0x03,
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		R128_READ_PIXELS = 0x04
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	} func;
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	int n;
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	int __user *x;
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	int __user *y;
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	unsigned int __user *buffer;
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	unsigned char __user *mask;
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} drm_r128_depth_t;
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typedef struct drm_r128_stipple {
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	unsigned int __user *mask;
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} drm_r128_stipple_t;
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typedef struct drm_r128_indirect {
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	int idx;
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	int start;
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	int end;
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	int discard;
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} drm_r128_indirect_t;
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typedef struct drm_r128_fullscreen {
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	enum {
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		R128_INIT_FULLSCREEN = 0x01,
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		R128_CLEANUP_FULLSCREEN = 0x02
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	} func;
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} drm_r128_fullscreen_t;
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/* 2.3: An ioctl to get parameters that aren't available to the 3d
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 * client any other way.
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 */
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#define R128_PARAM_IRQ_NR            1
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typedef struct drm_r128_getparam {
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	int param;
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	void __user *value;
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} drm_r128_getparam_t;
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#endif
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