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-rw-r--r--linux/mga_clear.c417
1 files changed, 0 insertions, 417 deletions
diff --git a/linux/mga_clear.c b/linux/mga_clear.c
deleted file mode 100644
index 05895415..00000000
--- a/linux/mga_clear.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/* mga_state.c -- State support for mga g200/g400 -*- linux-c -*-
- *
- * Created: February 2000 by keithw@precisioninsight.com
- *
- * Copyright 1999 Precision Insight, 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:
- * Keith Whitwell <keithw@precisioninsight.com>
- *
- */
-
-#define __NO_VERSION__
-#include "drmP.h"
-#include "mga_drv.h"
-#include "mgareg_flags.h"
-#include "mga_dma.h"
-#include "mga_state.h"
-
-#define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable | \
- DC_sgnzero_enable | DC_shftzero_enable | \
- (0xC << DC_bop_SHIFT) | DC_clipdis_enable | \
- DC_solid_enable | DC_transc_enable)
-
-
-#define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy | \
- DC_solid_disable | DC_arzero_disable | \
- DC_sgnzero_enable | DC_shftzero_enable | \
- (0xC << DC_bop_SHIFT) | DC_bltmod_bfcol | \
- DC_pattern_disable | DC_transc_disable | \
- DC_clipdis_enable) \
-
-
-
-/* Build and queue a TT_GENERAL secondary buffer to do the clears.
- * With Jeff's ringbuffer idea, it might make sense if there are only
- * one or two cliprects to emit straight to the primary buffer.
- */
-static int mgaClearBuffers(drm_device_t *dev,
- int clear_color,
- int clear_depth,
- int flags)
-{
- int cmd, i;
- drm_device_dma_t *dma = dev->dma;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- xf86drmClipRectRec *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- drm_buf_t *buf;
- drm_dma_t d;
- int order = 10; /* ??? what orders do we have ???*/
- DMALOCALS;
-
-
- if (!nbox)
- return -EINVAL;
-
- if ( dev_priv->sgram )
- cmd = MGA_CLEAR_CMD | DC_atype_blk;
- else
- cmd = MGA_CLEAR_CMD | DC_atype_rstr;
-
- buf = drm_freelist_get(&dma->bufs[order].freelist, _DRM_DMA_WAIT);
-
-
- DMAGETPTR( buf );
-
- for (i = 0 ; i < nbox ; i++) {
- unsigned int height = pbox[i].y2 - pbox[i].y1;
-
- /* Is it necessary to be this paranoid? I don't think so.
- if (pbox[i].x1 > dev_priv->width) continue;
- if (pbox[i].y1 > dev_priv->height) continue;
- if (pbox[i].x2 > dev_priv->width) continue;
- if (pbox[i].y2 > dev_priv->height) continue;
- if (pbox[i].x2 <= pbox[i].x1) continue;
- if (pbox[i].y2 <= pbox[i].x1) continue;
- */
-
- DMAOUTREG(MGAREG_YDSTLEN, (pbox[i].y1<<16)|height);
- DMAOUTREG(MGAREG_FXBNDRY, (pbox[i].x2<<16)|pbox[i].x1);
-
- if ( flags & MGA_CLEAR_FRONT ) {
- DMAOUTREG(MGAREG_FCOL, clear_color);
- DMAOUTREG(MGAREG_DSTORG, dev_priv->frontOrg);
- DMAOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd );
- }
-
- if ( flags & MGA_CLEAR_BACK ) {
- DMAOUTREG(MGAREG_FCOL, clear_color);
- DMAOUTREG(MGAREG_DSTORG, dev_priv->backOrg);
- DMAOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd );
- }
-
- if ( flags & MGA_CLEAR_DEPTH )
- {
- DMAOUTREG(MGAREG_FCOL, clear_depth);
- DMAOUTREG(MGAREG_DSTORG, dev_priv->depthOrg);
- DMAOUTREG(MGAREG_DWGCTL+MGAREG_MGA_EXEC, cmd );
- }
- }
-
- DMAADVANCE( buf );
-
- /* Make sure we restore the 3D state next time.
- */
- sarea_priv->dirty |= MGASAREA_NEW_CONTEXT;
-
- ((drm_mga_buf_priv_t *)buf->dev_private)->dma_type = MGA_DMA_GENERAL;
-
- d.context = DRM_KERNEL_CONTEXT;
- d.send_count = 1;
- d.send_indices = &buf->idx;
- d.send_sizes = &buf->used;
- d.flags = 0;
- d.request_count = 0;
- d.request_size = 0;
- d.request_indices = NULL;
- d.request_sizes = NULL;
- d.granted_count = 0;
-
- atomic_inc(&dev_priv->pending_bufs);
- if((drm_dma_enqueue(dev, &d)) != 0)
- atomic_dec(&dev_priv->pending_bufs);
- mga_dma_schedule(dev, 1);
- return 0;
-}
-
-int mgaSwapBuffers(drm_device_t *dev, int flags)
-{
- drm_device_dma_t *dma = dev->dma;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- xf86drmClipRectRec *pbox = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- drm_buf_t *buf;
- drm_dma_t d;
- int order = 10; /* ??? */
- int i;
- DMALOCALS;
-
- if (!nbox)
- return -EINVAL;
-
- buf = drm_freelist_get(&dma->bufs[order].freelist, _DRM_DMA_WAIT);
-
- DMAGETPTR(buf);
-
- DMAOUTREG(MGAREG_DSTORG, dev_priv->frontOrg);
- DMAOUTREG(MGAREG_MACCESS, dev_priv->mAccess);
- DMAOUTREG(MGAREG_SRCORG, dev_priv->backOrg);
- DMAOUTREG(MGAREG_AR5, dev_priv->stride); /* unnecessary? */
- DMAOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD);
-
- for (i = 0 ; i < nbox; i++) {
- unsigned int h = pbox[i].y2 - pbox[i].y1;
- unsigned int start = pbox[i].y1 * dev_priv->stride;
-
- /*
- if (pbox[i].x1 > dev_priv->width) continue;
- if (pbox[i].y1 > dev_priv->height) continue;
- if (pbox[i].x2 > dev_priv->width) continue;
- if (pbox[i].y2 > dev_priv->height) continue;
- if (pbox[i].x2 <= pbox[i].x1) continue;
- if (pbox[i].y2 <= pbox[i].x1) continue;
- */
-
- DMAOUTREG(MGAREG_AR0, start + pbox[i].x2 - 1);
- DMAOUTREG(MGAREG_AR3, start + pbox[i].x1);
- DMAOUTREG(MGAREG_FXBNDRY, pbox[i].x1|((pbox[i].x2 - 1)<<16));
- DMAOUTREG(MGAREG_YDSTLEN+MGAREG_MGA_EXEC, (pbox[i].y1<<16)|h);
- }
-
- DMAOUTREG(MGAREG_SRCORG, 0);
- DMAADVANCE( buf );
-
- /* Make sure we restore the 3D state next time.
- */
- sarea_priv->dirty |= MGASAREA_NEW_CONTEXT;
-
- ((drm_mga_buf_priv_t *)buf->dev_private)->dma_type = MGA_DMA_GENERAL;
-
- d.context = DRM_KERNEL_CONTEXT;
- d.send_count = 1;
- d.send_indices = &buf->idx;
- d.send_sizes = &buf->used;
- d.flags = 0;
- d.request_count = 0;
- d.request_size = 0;
- d.request_indices = NULL;
- d.request_sizes = NULL;
- d.granted_count = 0;
-
- atomic_inc(&dev_priv->pending_bufs);
- if((drm_dma_enqueue(dev, &d)) != 0)
- atomic_dec(&dev_priv->pending_bufs);
- mga_dma_schedule(dev, 1);
- return 0;
-}
-
-
-static int mgaIload(drm_device_t *dev, drm_mga_iload_t *args)
-{
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf = dma->buflist[ args->idx ];
- drm_mga_buf_priv_t *buf_priv = (drm_mga_buf_priv_t *)buf->dev_private;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
- drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_dma_t d;
- int pixperdword;
-
- buf_priv->dma_type = MGA_DMA_ILOAD;
- buf_priv->boxes[0].y1 = args->texture.y1;
- buf_priv->boxes[0].y2 = args->texture.y2;
- buf_priv->boxes[0].x1 = args->texture.x1;
- buf_priv->boxes[0].x2 = args->texture.x2;
- buf_priv->ContextState[MGA_CTXREG_DSTORG] = args->destOrg;
- buf_priv->ContextState[MGA_CTXREG_MACCESS] = args->mAccess;
- buf_priv->ServerState[MGA_2DREG_PITCH] = args->pitch;
- buf_priv->nbox = 1;
- sarea_priv->dirty |= (MGASAREA_NEW_CONTEXT | MGASAREA_NEW_2D);
- switch((args->mAccess & 0x00000003)) {
- case 0:
- pixperdword = 4;
- break;
- case 1:
- pixperdword = 2;
- break;
- case 2:
- pixperdword = 1;
- break;
- default:
- DRM_ERROR("Invalid maccess value passed"
- " to mgaIload\n");
- return -EINVAL;
- }
- buf->used = ((args->texture.y2 - args->texture.y1) *
- (args->texture.x2 - args->texture.x1) /
- pixperdword);
- DRM_DEBUG("buf->used : %d\n", buf->used);
- d.context = DRM_KERNEL_CONTEXT;
- d.send_count = 1;
- d.send_indices = &buf->idx;
- d.send_sizes = &buf->used;
- d.flags = 0;
- d.request_count = 0;
- d.request_size = 0;
- d.request_indices = NULL;
- d.request_sizes = NULL;
- d.granted_count = 0;
-
- atomic_inc(&dev_priv->pending_bufs);
- if((drm_dma_enqueue(dev, &d)) != 0)
- atomic_dec(&dev_priv->pending_bufs);
- mga_dma_schedule(dev, 1);
-
- return 0;
-}
-
-
-/* Necessary? Not necessary??
- */
-static int check_lock(void)
-{
- return 1;
-}
-
-int mga_clear_bufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_mga_clear_t clear;
- int retcode;
-
- copy_from_user_ret(&clear, (drm_mga_clear_t *)arg,
- sizeof(clear), -EFAULT);
-
-/* if (!check_lock( dev )) */
-/* return -EIEIO; */
-
- retcode = mgaClearBuffers(dev, clear.clear_color,
- clear.clear_depth,
- clear.flags);
-
- return retcode;
-}
-
-int mga_swap_bufs(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_mga_swap_t swap;
- int retcode = 0;
-
-/* if (!check_lock( dev )) */
-/* return -EIEIO; */
-
- copy_from_user_ret(&swap, (drm_mga_swap_t *)arg,
- sizeof(swap), -EFAULT);
-
- retcode = mgaSwapBuffers(dev, swap.flags);
-
- return retcode;
-}
-
-int mga_iload(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_mga_iload_t iload;
- int retcode = 0;
-
-/* if (!check_lock( dev )) */
-/* return -EIEIO; */
-
- copy_from_user_ret(&iload, (drm_mga_iload_t *)arg,
- sizeof(iload), -EFAULT);
-
- retcode = mgaIload(dev, &iload);
-
- return retcode;
-}
-
-
-int mga_dma(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_device_dma_t *dma = dev->dma;
- int retcode = 0;
- drm_dma_t d;
-
- copy_from_user_ret(&d, (drm_dma_t *)arg, sizeof(d), -EFAULT);
- DRM_DEBUG("%d %d: %d send, %d req\n",
- current->pid, d.context, d.send_count, d.request_count);
-
- /* Per-context queues are unworkable if you are trying to do
- * state management from the client.
- */
- d.context = DRM_KERNEL_CONTEXT;
- d.flags &= ~_DRM_DMA_WHILE_LOCKED;
-
- /* Maybe multiple buffers is useful for iload...
- * But this ioctl is only for *despatching* vertex data...
- */
- if (d.send_count < 0 || d.send_count > 1) {
- DRM_ERROR("Process %d trying to send %d buffers (max 1)\n",
- current->pid, d.send_count);
- return -EINVAL;
- }
-
-
- /* But it *is* used to request buffers for all types of dma:
- */
- if (d.request_count < 0 || d.request_count > dma->buf_count) {
- DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
- current->pid, d.request_count, dma->buf_count);
- return -EINVAL;
- }
-
- if (d.send_count) {
- int idx = d.send_indices[0];
- drm_mga_buf_priv_t *buf_priv = dma->buflist[ idx ]->dev_private;
- drm_mga_private_t *dev_priv = dev->dev_private;
-
- buf_priv->dma_type = MGA_DMA_VERTEX;
-
-/* if (!check_lock( dev )) */
-/* return -EIEIO; */
-
- /* Snapshot the relevent bits of the sarea...
- */
- mgaCopyAndVerifyState( dev_priv, buf_priv );
-
- atomic_inc(&dev_priv->pending_bufs);
- retcode = drm_dma_enqueue(dev, &d);
- if(retcode != 0)
- atomic_dec(&dev_priv->pending_bufs);
- mga_dma_schedule(dev, 1);
- }
-
- d.granted_count = 0;
-
- if (!retcode && d.request_count) {
- retcode = drm_dma_get_buffers(dev, &d);
- }
-
- DRM_DEBUG("%d returning, granted = %d\n",
- current->pid, d.granted_count);
- copy_to_user_ret((drm_dma_t *)arg, &d, sizeof(d), -EFAULT);
-
- return retcode;
-}
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