shared-core/mach64_state.c


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/* mach64_state.c -- State support for mach64 (Rage Pro) driver -*- linux-c -*-
 * Created: Sun Dec 03 19:20:26 2000 by gareth@valinux.com
 */
/*
 * Copyright 2000 Gareth Hughes
 * 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>
 *    Leif Delgass <ldelgass@retinalburn.net>
 *    José Fonseca <j_r_fonseca@yahoo.co.uk>
 */

#include "drmP.h"
#include "drm.h"
#include "mach64_drm.h"
#include "mach64_drv.h"

/* Interface history:
 *
 * 1.0 - Initial mach64 DRM
 *
 */
struct drm_ioctl_desc mach64_ioctls[] = {
	DRM_IOCTL_DEF(DRM_MACH64_INIT, mach64_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
	DRM_IOCTL_DEF(DRM_MACH64_CLEAR, mach64_dma_clear, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_MACH64_SWAP, mach64_dma_swap, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_MACH64_IDLE, mach64_dma_idle, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_MACH64_RESET, mach64_engine_reset, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_MACH64_VERTEX, mach64_dma_vertex, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_MACH64_BLIT, mach64_dma_blit, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_MACH64_FLUSH, mach64_dma_flush, DRM_AUTH),
	DRM_IOCTL_DEF(DRM_MACH64_GETPARAM, mach64_get_param, DRM_AUTH),
};

int mach64_max_ioctl = DRM_ARRAY_SIZE(mach64_ioctls);

/* ================================================================
 * DMA hardware state programming functions
 */

static void mach64_print_dirty(const char *msg, unsigned int flags)
{
	DRM_DEBUG("%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s\n",
		  msg,
		  flags,
		  (flags & MACH64_UPLOAD_DST_OFF_PITCH) ? "dst_off_pitch, " :
		  "",
		  (flags & MACH64_UPLOAD_Z_ALPHA_CNTL) ? "z_alpha_cntl, " : "",
		  (flags & MACH64_UPLOAD_SCALE_3D_CNTL) ? "scale_3d_cntl, " :
		  "", (flags & MACH64_UPLOAD_DP_FOG_CLR) ? "dp_fog_clr, " : "",
		  (flags & MACH64_UPLOAD_DP_WRITE_MASK) ? "dp_write_mask, " :
		  "",
		  (flags & MACH64_UPLOAD_DP_PIX_WIDTH) ? "dp_pix_width, " : "",
		  (flags & MACH64_UPLOAD_SETUP_CNTL) ? "setup_cntl, " : "",
		  (flags & MACH64_UPLOAD_MISC) ? "misc, " : "",
		  (flags & MACH64_UPLOAD_TEXTURE) ? "texture, " : "",
		  (flags & MACH64_UPLOAD_TEX0IMAGE) ? "tex0 image, " : "",
		  (flags & MACH64_UPLOAD_TEX1IMAGE) ? "tex1 image, " : "",