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-rw-r--r--nx-X11/extras/drm/linux/i830_dma.c1623
1 files changed, 0 insertions, 1623 deletions
diff --git a/nx-X11/extras/drm/linux/i830_dma.c b/nx-X11/extras/drm/linux/i830_dma.c
deleted file mode 100644
index caae802fc..000000000
--- a/nx-X11/extras/drm/linux/i830_dma.c
+++ /dev/null
@@ -1,1623 +0,0 @@
-/* i830_dma.c -- DMA support for the I830 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 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: Rickard E. (Rik) Faith <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- * Keith Whitwell <keith@tungstengraphics.com>
- * Abraham vd Merwe <abraham@2d3d.co.za>
- *
- */
-
-#include "i830.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i830_drm.h"
-#include "i830_drv.h"
-#include <linux/interrupt.h> /* For task queue support */
-#include <linux/pagemap.h> /* For FASTCALL on unlock_page() */
-#include <linux/delay.h>
-#include <asm/uaccess.h>
-
-#ifdef DO_MUNMAP_4_ARGS
-#define DO_MUNMAP(m, a, l) do_munmap(m, a, l, 1)
-#else
-#define DO_MUNMAP(m, a, l) do_munmap(m, a, l)
-#endif
-
-#define I830_BUF_FREE 2
-#define I830_BUF_CLIENT 1
-#define I830_BUF_HARDWARE 0
-
-#define I830_BUF_UNMAPPED 0
-#define I830_BUF_MAPPED 1
-
-static inline void i830_print_status_page(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- drm_i830_private_t *dev_priv = dev->dev_private;
- u32 *temp = dev_priv->hw_status_page;
- int i;
-
- DRM_DEBUG( "hw_status: Interrupt Status : %x\n", temp[0]);
- DRM_DEBUG( "hw_status: LpRing Head ptr : %x\n", temp[1]);
- DRM_DEBUG( "hw_status: IRing Head ptr : %x\n", temp[2]);
- DRM_DEBUG( "hw_status: Reserved : %x\n", temp[3]);
- DRM_DEBUG( "hw_status: Driver Counter : %d\n", temp[5]);
- for(i = 9; i < dma->buf_count + 9; i++) {
- DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 9, temp[i]);
- }
-}
-
-static drm_buf_t *i830_freelist_get(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
- int used;
-
- /* Linear search might not be the best solution */
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- /* In use is already a pointer */
- used = cmpxchg(buf_priv->in_use, I830_BUF_FREE,
- I830_BUF_CLIENT);
- if(used == I830_BUF_FREE) {
- return buf;
- }
- }
- return NULL;
-}
-
-/* This should only be called if the buffer is not sent to the hardware
- * yet, the hardware updates in use for us once its on the ring buffer.
- */
-
-static int i830_freelist_put(drm_device_t *dev, drm_buf_t *buf)
-{
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- int used;
-
- /* In use is already a pointer */
- used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE);
- if(used != I830_BUF_CLIENT) {
- DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static struct file_operations i830_buffer_fops = {
- .open = DRM(open),
- .flush = DRM(flush),
- .release = DRM(release),
- .ioctl = DRM(ioctl),
- .mmap = i830_mmap_buffers,
- .fasync = DRM(fasync),
-};
-
-int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev;
- drm_i830_private_t *dev_priv;
- drm_buf_t *buf;
- drm_i830_buf_priv_t *buf_priv;
-
- lock_kernel();
- dev = priv->dev;
- dev_priv = dev->dev_private;
- buf = dev_priv->mmap_buffer;
- buf_priv = buf->dev_private;
-
- vma->vm_flags |= (VM_IO | VM_DONTCOPY);
- vma->vm_file = filp;
-
- buf_priv->currently_mapped = I830_BUF_MAPPED;
- unlock_kernel();
-
- if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
- VM_OFFSET(vma),
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot)) return -EAGAIN;
- return 0;
-}
-
-static int i830_map_buffer(drm_buf_t *buf, struct file *filp)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- drm_i830_private_t *dev_priv = dev->dev_private;
- struct file_operations *old_fops;
- unsigned long virtual;
- int retcode = 0;
-
- if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL;
-
- down_write( &current->mm->mmap_sem );
- old_fops = filp->f_op;
- filp->f_op = &i830_buffer_fops;
- dev_priv->mmap_buffer = buf;
- virtual = do_mmap(filp, 0, buf->total, PROT_READ|PROT_WRITE,
- MAP_SHARED, buf->bus_address);
- dev_priv->mmap_buffer = NULL;
- filp->f_op = old_fops;
- if (IS_ERR((void *)virtual)) { /* ugh */
- /* Real error */
- DRM_ERROR("mmap error\n");
- retcode = virtual;
- buf_priv->virtual = NULL;
- } else {
- buf_priv->virtual = (void __user *)virtual;
- }
- up_write( &current->mm->mmap_sem );
-
- return retcode;
-}
-
-static int i830_unmap_buffer(drm_buf_t *buf)
-{
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- int retcode = 0;
-
- if(buf_priv->currently_mapped != I830_BUF_MAPPED)
- return -EINVAL;
-
- down_write(&current->mm->mmap_sem);
- retcode = DO_MUNMAP(current->mm,
- (unsigned long)buf_priv->virtual,
- (size_t) buf->total);
- up_write(&current->mm->mmap_sem);
-
- buf_priv->currently_mapped = I830_BUF_UNMAPPED;
- buf_priv->virtual = NULL;
-
- return retcode;
-}
-
-static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d,
- struct file *filp)
-{
- drm_buf_t *buf;
- drm_i830_buf_priv_t *buf_priv;
- int retcode = 0;
-
- buf = i830_freelist_get(dev);
- if (!buf) {
- retcode = -ENOMEM;
- DRM_DEBUG("retcode=%d\n", retcode);
- return retcode;
- }
-
- retcode = i830_map_buffer(buf, filp);
- if(retcode) {
- i830_freelist_put(dev, buf);
- DRM_ERROR("mapbuf failed, retcode %d\n", retcode);
- return retcode;
- }
- buf->filp = filp;
- buf_priv = buf->dev_private;
- d->granted = 1;
- d->request_idx = buf->idx;
- d->request_size = buf->total;
- d->virtual = buf_priv->virtual;
-
- return retcode;
-}
-
-int i830_dma_cleanup(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
-
- /* Make sure interrupts are disabled here because the uninstall ioctl
- * may not have been called from userspace and after dev_private
- * is freed, it's too late.
- */
- if (dev->irq_enabled) DRM(irq_uninstall)(dev);
-
- if (dev->dev_private) {
- int i;
- drm_i830_private_t *dev_priv =
- (drm_i830_private_t *) dev->dev_private;
-
- if (dev_priv->ring.virtual_start) {
- DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,
- dev_priv->ring.Size, dev);
- }
- if (dev_priv->hw_status_page) {
- pci_free_consistent(dev->pdev, PAGE_SIZE,
- dev_priv->hw_status_page,
- dev_priv->dma_status_page);
- /* Need to rewrite hardware status page */
- I830_WRITE(0x02080, 0x1ffff000);
- }
-
- DRM(free)(dev->dev_private, sizeof(drm_i830_private_t),
- DRM_MEM_DRIVER);
- dev->dev_private = NULL;
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- if ( buf_priv->kernel_virtual && buf->total )
- DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total, dev);
- }
- }
- return 0;
-}
-
-int i830_wait_ring(drm_device_t *dev, int n, const char *caller)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
- int iters = 0;
- unsigned long end;
- unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-
- end = jiffies + (HZ*3);
- while (ring->space < n) {
- ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
- ring->space = ring->head - (ring->tail+8);
- if (ring->space < 0) ring->space += ring->Size;
-
- if (ring->head != last_head) {
- end = jiffies + (HZ*3);
- last_head = ring->head;
- }
-
- iters++;
- if(time_before(end, jiffies)) {
- DRM_ERROR("space: %d wanted %d\n", ring->space, n);
- DRM_ERROR("lockup\n");
- goto out_wait_ring;
- }
- udelay(1);
- dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT;
- }
-
-out_wait_ring:
- return iters;
-}
-
-static void i830_kernel_lost_context(drm_device_t *dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
-
- ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
- ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR;
- ring->space = ring->head - (ring->tail+8);
- if (ring->space < 0) ring->space += ring->Size;
-
- if (ring->head == ring->tail)
- dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY;
-}
-
-static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv)
-{
- drm_device_dma_t *dma = dev->dma;
- int my_idx = 36;
- u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx);
- int i;
-
- if(dma->buf_count > 1019) {
- /* Not enough space in the status page for the freelist */
- return -EINVAL;
- }
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
- buf_priv->in_use = hw_status++;
- buf_priv->my_use_idx = my_idx;
- my_idx += 4;
-
- *buf_priv->in_use = I830_BUF_FREE;
-
- buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address,
- buf->total, dev);
- }
- return 0;
-}
-
-static int i830_dma_initialize(drm_device_t *dev,
- drm_i830_private_t *dev_priv,
- drm_i830_init_t *init)
-{
- struct list_head *list;
-
- memset(dev_priv, 0, sizeof(drm_i830_private_t));
-
- list_for_each(list, &dev->maplist->head) {
- drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head);
- if( r_list->map &&
- r_list->map->type == _DRM_SHM &&
- r_list->map->flags & _DRM_CONTAINS_LOCK ) {
- dev_priv->sarea_map = r_list->map;
- break;
- }
- }
-
- if(!dev_priv->sarea_map) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find sarea!\n");
- return -EINVAL;
- }
- dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
- if(!dev_priv->mmio_map) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find mmio map!\n");
- return -EINVAL;
- }
- dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
- if(!dev->agp_buffer_map) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not find dma buffer map!\n");
- return -EINVAL;
- }
-
- dev_priv->sarea_priv = (drm_i830_sarea_t *)
- ((u8 *)dev_priv->sarea_map->handle +
- init->sarea_priv_offset);
-
- dev_priv->ring.Start = init->ring_start;
- dev_priv->ring.End = init->ring_end;
- dev_priv->ring.Size = init->ring_size;
-
- dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base +
- init->ring_start,
- init->ring_size, dev);
-
- if (dev_priv->ring.virtual_start == NULL) {
- dev->dev_private = (void *) dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("can not ioremap virtual address for"
- " ring buffer\n");
- return -ENOMEM;
- }
-
- dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
-
- dev_priv->w = init->w;
- dev_priv->h = init->h;
- dev_priv->pitch = init->pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->front_offset = init->front_offset;
-
- dev_priv->front_di1 = init->front_offset | init->pitch_bits;
- dev_priv->back_di1 = init->back_offset | init->pitch_bits;
- dev_priv->zi1 = init->depth_offset | init->pitch_bits;
-
- DRM_DEBUG("front_di1 %x\n", dev_priv->front_di1);
- DRM_DEBUG("back_offset %x\n", dev_priv->back_offset);
- DRM_DEBUG("back_di1 %x\n", dev_priv->back_di1);
- DRM_DEBUG("pitch_bits %x\n", init->pitch_bits);
-
- dev_priv->cpp = init->cpp;
- /* We are using separate values as placeholders for mechanisms for
- * private backbuffer/depthbuffer usage.
- */
-
- dev_priv->back_pitch = init->back_pitch;
- dev_priv->depth_pitch = init->depth_pitch;
- dev_priv->do_boxes = 0;
- dev_priv->use_mi_batchbuffer_start = 0;
-
- /* Program Hardware Status Page */
- dev_priv->hw_status_page =
- pci_alloc_consistent(dev->pdev, PAGE_SIZE,
- &dev_priv->dma_status_page);
- if (!dev_priv->hw_status_page) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("Can not allocate hardware status page\n");
- return -ENOMEM;
- }
- memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
- DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
-
- I830_WRITE(0x02080, dev_priv->dma_status_page);
- DRM_DEBUG("Enabled hardware status page\n");
-
- /* Now we need to init our freelist */
- if(i830_freelist_init(dev, dev_priv) != 0) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("Not enough space in the status page for"
- " the freelist\n");
- return -ENOMEM;
- }
- dev->dev_private = (void *)dev_priv;
-
- return 0;
-}
-
-int i830_dma_init(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_i830_private_t *dev_priv;
- drm_i830_init_t init;
- int retcode = 0;
-
- if (copy_from_user(&init, (void * __user) arg, sizeof(init)))
- return -EFAULT;
-
- switch(init.func) {
- case I830_INIT_DMA:
- dev_priv = DRM(alloc)(sizeof(drm_i830_private_t),
- DRM_MEM_DRIVER);
- if(dev_priv == NULL) return -ENOMEM;
- retcode = i830_dma_initialize(dev, dev_priv, &init);
- break;
- case I830_CLEANUP_DMA:
- retcode = i830_dma_cleanup(dev);
- break;
- default:
- retcode = -EINVAL;
- break;
- }
-
- return retcode;
-}
-
-#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
-#define ST1_ENABLE (1<<16)
-#define ST1_MASK (0xffff)
-
-/* Most efficient way to verify state for the i830 is as it is
- * emitted. Non-conformant state is silently dropped.
- */
-static void i830EmitContextVerified( drm_device_t *dev,
- unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I830_CTX_SETUP_SIZE + 4 );
-
- for ( i = 0 ; i < I830_CTXREG_BLENDCOLR0 ; i++ ) {
- tmp = code[i];
- if ((tmp & (7<<29)) == CMD_3D &&
- (tmp & (0x1f<<24)) < (0x1d<<24)) {
- OUT_RING( tmp );
- j++;
- } else {
- DRM_ERROR("Skipping %d\n", i);
- }
- }
-
- OUT_RING( STATE3D_CONST_BLEND_COLOR_CMD );
- OUT_RING( code[I830_CTXREG_BLENDCOLR] );
- j += 2;
-
- for ( i = I830_CTXREG_VF ; i < I830_CTXREG_MCSB0 ; i++ ) {
- tmp = code[i];
- if ((tmp & (7<<29)) == CMD_3D &&
- (tmp & (0x1f<<24)) < (0x1d<<24)) {
- OUT_RING( tmp );
- j++;
- } else {
- DRM_ERROR("Skipping %d\n", i);
- }
- }
-
- OUT_RING( STATE3D_MAP_COORD_SETBIND_CMD );
- OUT_RING( code[I830_CTXREG_MCSB1] );
- j += 2;
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexVerified( drm_device_t *dev, unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- if (code[I830_TEXREG_MI0] == GFX_OP_MAP_INFO ||
- (code[I830_TEXREG_MI0] & ~(0xf*LOAD_TEXTURE_MAP0)) ==
- (STATE3D_LOAD_STATE_IMMEDIATE_2|4)) {
-
- BEGIN_LP_RING( I830_TEX_SETUP_SIZE );
-
- OUT_RING( code[I830_TEXREG_MI0] ); /* TM0LI */
- OUT_RING( code[I830_TEXREG_MI1] ); /* TM0S0 */
- OUT_RING( code[I830_TEXREG_MI2] ); /* TM0S1 */
- OUT_RING( code[I830_TEXREG_MI3] ); /* TM0S2 */
- OUT_RING( code[I830_TEXREG_MI4] ); /* TM0S3 */
- OUT_RING( code[I830_TEXREG_MI5] ); /* TM0S4 */
-
- for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) {
- tmp = code[i];
- OUT_RING( tmp );
- j++;
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
- }
- else
- printk("rejected packet %x\n", code[0]);
-}
-
-static void i830EmitTexBlendVerified( drm_device_t *dev,
- unsigned int *code,
- unsigned int num)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- if (!num)
- return;
-
- BEGIN_LP_RING( num + 1 );
-
- for ( i = 0 ; i < num ; i++ ) {
- tmp = code[i];
- OUT_RING( tmp );
- j++;
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexPalette( drm_device_t *dev,
- unsigned int *palette,
- int number,
- int is_shared )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i;
- RING_LOCALS;
-
- return;
-
- BEGIN_LP_RING( 258 );
-
- if(is_shared == 1) {
- OUT_RING(CMD_OP_MAP_PALETTE_LOAD |
- MAP_PALETTE_NUM(0) |
- MAP_PALETTE_BOTH);
- } else {
- OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number));
- }
- for(i = 0; i < 256; i++) {
- OUT_RING(palette[i]);
- }
- OUT_RING(0);
- /* KW: WHERE IS THE ADVANCE_LP_RING? This is effectively a noop!
- */
-}
-
-/* Need to do some additional checking when setting the dest buffer.
- */
-static void i830EmitDestVerified( drm_device_t *dev,
- unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 10 );
-
-
- tmp = code[I830_DESTREG_CBUFADDR];
- if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) {
- if (((int)outring) & 8) {
- OUT_RING(0);
- OUT_RING(0);
- }
-
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_COLOR_BACK |
- BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) |
- BUF_3D_USE_FENCE);
- OUT_RING( tmp );
- OUT_RING( 0 );
-
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE |
- BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
- OUT_RING( dev_priv->zi1 );
- OUT_RING( 0 );
- } else {
- DRM_ERROR("bad di1 %x (allow %x or %x)\n",
- tmp, dev_priv->front_di1, dev_priv->back_di1);
- }
-
- /* invarient:
- */
-
-
- OUT_RING( GFX_OP_DESTBUFFER_VARS );
- OUT_RING( code[I830_DESTREG_DV1] );
-
- OUT_RING( GFX_OP_DRAWRECT_INFO );
- OUT_RING( code[I830_DESTREG_DR1] );
- OUT_RING( code[I830_DESTREG_DR2] );
- OUT_RING( code[I830_DESTREG_DR3] );
- OUT_RING( code[I830_DESTREG_DR4] );
-
- /* Need to verify this */
- tmp = code[I830_DESTREG_SENABLE];
- if((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) {
- OUT_RING( tmp );
- } else {
- DRM_ERROR("bad scissor enable\n");
- OUT_RING( 0 );
- }
-
- OUT_RING( GFX_OP_SCISSOR_RECT );
- OUT_RING( code[I830_DESTREG_SR1] );
- OUT_RING( code[I830_DESTREG_SR2] );
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitStippleVerified( drm_device_t *dev,
- unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- BEGIN_LP_RING( 2 );
- OUT_RING( GFX_OP_STIPPLE );
- OUT_RING( code[1] );
- ADVANCE_LP_RING();
-}
-
-
-static void i830EmitState( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- unsigned int dirty = sarea_priv->dirty;
-
- DRM_DEBUG("%s %x\n", __FUNCTION__, dirty);
-
- if (dirty & I830_UPLOAD_BUFFERS) {
- i830EmitDestVerified( dev, sarea_priv->BufferState );
- sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS;
- }
-
- if (dirty & I830_UPLOAD_CTX) {
- i830EmitContextVerified( dev, sarea_priv->ContextState );
- sarea_priv->dirty &= ~I830_UPLOAD_CTX;
- }
-
- if (dirty & I830_UPLOAD_TEX0) {
- i830EmitTexVerified( dev, sarea_priv->TexState[0] );
- sarea_priv->dirty &= ~I830_UPLOAD_TEX0;
- }
-
- if (dirty & I830_UPLOAD_TEX1) {
- i830EmitTexVerified( dev, sarea_priv->TexState[1] );
- sarea_priv->dirty &= ~I830_UPLOAD_TEX1;
- }
-
- if (dirty & I830_UPLOAD_TEXBLEND0) {
- i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[0],
- sarea_priv->TexBlendStateWordsUsed[0]);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0;
- }
-
- if (dirty & I830_UPLOAD_TEXBLEND1) {
- i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[1],
- sarea_priv->TexBlendStateWordsUsed[1]);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1;
- }
-
- if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
- } else {
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
- }
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
- i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
- }
-
- /* 1.3:
- */
-#if 0
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(2)) {
- i830EmitTexPalette(dev, sarea_priv->Palette2[0], 0, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
- }
- if (dirty & I830_UPLOAD_TEX_PALETTE_N(3)) {
- i830EmitTexPalette(dev, sarea_priv->Palette2[1], 1, 0);
- sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
- }
-#endif
- }
-
- /* 1.3:
- */
- if (dirty & I830_UPLOAD_STIPPLE) {
- i830EmitStippleVerified( dev,
- sarea_priv->StippleState);
- sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE;
- }
-
- if (dirty & I830_UPLOAD_TEX2) {
- i830EmitTexVerified( dev, sarea_priv->TexState2 );
- sarea_priv->dirty &= ~I830_UPLOAD_TEX2;
- }
-
- if (dirty & I830_UPLOAD_TEX3) {
- i830EmitTexVerified( dev, sarea_priv->TexState3 );
- sarea_priv->dirty &= ~I830_UPLOAD_TEX3;
- }
-
-
- if (dirty & I830_UPLOAD_TEXBLEND2) {
- i830EmitTexBlendVerified(
- dev,
- sarea_priv->TexBlendState2,
- sarea_priv->TexBlendStateWordsUsed2);
-
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND2;
- }
-
- if (dirty & I830_UPLOAD_TEXBLEND3) {
- i830EmitTexBlendVerified(
- dev,
- sarea_priv->TexBlendState3,
- sarea_priv->TexBlendStateWordsUsed3);
- sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3;
- }
-}
-
-/* ================================================================
- * Performance monitoring functions
- */
-
-static void i830_fill_box( drm_device_t *dev,
- int x, int y, int w, int h,
- int r, int g, int b )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- u32 color;
- unsigned int BR13, CMD;
- RING_LOCALS;
-
- BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1<<24);
- CMD = XY_COLOR_BLT_CMD;
- x += dev_priv->sarea_priv->boxes[0].x1;
- y += dev_priv->sarea_priv->boxes[0].y1;
-
- if (dev_priv->cpp == 4) {
- BR13 |= (1<<25);
- CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB);
- color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
- } else {
- color = (((r & 0xf8) << 8) |
- ((g & 0xfc) << 3) |
- ((b & 0xf8) >> 3));
- }
-
- BEGIN_LP_RING( 6 );
- OUT_RING( CMD );
- OUT_RING( BR13 );
- OUT_RING( (y << 16) | x );
- OUT_RING( ((y+h) << 16) | (x+w) );
-
- if ( dev_priv->current_page == 1 ) {
- OUT_RING( dev_priv->front_offset );
- } else {
- OUT_RING( dev_priv->back_offset );
- }
-
- OUT_RING( color );
- ADVANCE_LP_RING();
-}
-
-static void i830_cp_performance_boxes( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
-
- /* Purple box for page flipping
- */
- if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP )
- i830_fill_box( dev, 4, 4, 8, 8, 255, 0, 255 );
-
- /* Red box if we have to wait for idle at any point
- */
- if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT )
- i830_fill_box( dev, 16, 4, 8, 8, 255, 0, 0 );
-
- /* Blue box: lost context?
- */
- if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT )
- i830_fill_box( dev, 28, 4, 8, 8, 0, 0, 255 );
-
- /* Yellow box for texture swaps
- */
- if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD )
- i830_fill_box( dev, 40, 4, 8, 8, 255, 255, 0 );
-
- /* Green box if hardware never idles (as far as we can tell)
- */
- if ( !(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY) )
- i830_fill_box( dev, 64, 4, 8, 8, 0, 255, 0 );
-
-
- /* Draw bars indicating number of buffers allocated
- * (not a great measure, easily confused)
- */
- if (dev_priv->dma_used) {
- int bar = dev_priv->dma_used / 10240;
- if (bar > 100) bar = 100;
- if (bar < 1) bar = 1;
- i830_fill_box( dev, 4, 16, bar, 4, 196, 128, 128 );
- dev_priv->dma_used = 0;
- }
-
- dev_priv->sarea_priv->perf_boxes = 0;
-}
-
-static void i830_dma_dispatch_clear( drm_device_t *dev, int flags,
- unsigned int clear_color,
- unsigned int clear_zval,
- unsigned int clear_depthmask)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int pitch = dev_priv->pitch;
- int cpp = dev_priv->cpp;
- int i;
- unsigned int BR13, CMD, D_CMD;
- RING_LOCALS;
-
-
- if ( dev_priv->current_page == 1 ) {
- unsigned int tmp = flags;
-
- flags &= ~(I830_FRONT | I830_BACK);
- if ( tmp & I830_FRONT ) flags |= I830_BACK;
- if ( tmp & I830_BACK ) flags |= I830_FRONT;
- }
-
- i830_kernel_lost_context(dev);
-
- switch(cpp) {
- case 2:
- BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
- D_CMD = CMD = XY_COLOR_BLT_CMD;
- break;
- case 4:
- BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25);
- CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
- XY_COLOR_BLT_WRITE_RGB);
- D_CMD = XY_COLOR_BLT_CMD;
- if(clear_depthmask & 0x00ffffff)
- D_CMD |= XY_COLOR_BLT_WRITE_RGB;
- if(clear_depthmask & 0xff000000)
- D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
- break;
- default:
- BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
- D_CMD = CMD = XY_COLOR_BLT_CMD;
- break;
- }
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- for (i = 0 ; i < nbox ; i++, pbox++) {
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > dev_priv->w ||
- pbox->y2 > dev_priv->h)
- continue;
-
- if ( flags & I830_FRONT ) {
- DRM_DEBUG("clear front\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( CMD );
- OUT_RING( BR13 );
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( (pbox->y2 << 16) | pbox->x2 );
- OUT_RING( dev_priv->front_offset );
- OUT_RING( clear_color );
- ADVANCE_LP_RING();
- }
-
- if ( flags & I830_BACK ) {
- DRM_DEBUG("clear back\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( CMD );
- OUT_RING( BR13 );
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( (pbox->y2 << 16) | pbox->x2 );
- OUT_RING( dev_priv->back_offset );
- OUT_RING( clear_color );
- ADVANCE_LP_RING();
- }
-
- if ( flags & I830_DEPTH ) {
- DRM_DEBUG("clear depth\n");
- BEGIN_LP_RING( 6 );
- OUT_RING( D_CMD );
- OUT_RING( BR13 );
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( (pbox->y2 << 16) | pbox->x2 );
- OUT_RING( dev_priv->depth_offset );
- OUT_RING( clear_zval );
- ADVANCE_LP_RING();
- }
- }
-}
-
-static void i830_dma_dispatch_swap( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- int nbox = sarea_priv->nbox;
- drm_clip_rect_t *pbox = sarea_priv->boxes;
- int pitch = dev_priv->pitch;
- int cpp = dev_priv->cpp;
- int i;
- unsigned int CMD, BR13;
- RING_LOCALS;
-
- DRM_DEBUG("swapbuffers\n");
-
- i830_kernel_lost_context(dev);
-
- if (dev_priv->do_boxes)
- i830_cp_performance_boxes( dev );
-
- switch(cpp) {
- case 2:
- BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- case 4:
- BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25);
- CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
- XY_SRC_COPY_BLT_WRITE_RGB);
- break;
- default:
- BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
- CMD = XY_SRC_COPY_BLT_CMD;
- break;
- }
-
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- for (i = 0 ; i < nbox; i++, pbox++)
- {
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > dev_priv->w ||
- pbox->y2 > dev_priv->h)
- continue;
-
- DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n",
- pbox->x1, pbox->y1,
- pbox->x2, pbox->y2);
-
- BEGIN_LP_RING( 8 );
- OUT_RING( CMD );
- OUT_RING( BR13 );
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( (pbox->y2 << 16) | pbox->x2 );
-
- if (dev_priv->current_page == 0)
- OUT_RING( dev_priv->front_offset );
- else
- OUT_RING( dev_priv->back_offset );
-
- OUT_RING( (pbox->y1 << 16) | pbox->x1 );
- OUT_RING( BR13 & 0xffff );
-
- if (dev_priv->current_page == 0)
- OUT_RING( dev_priv->back_offset );
- else
- OUT_RING( dev_priv->front_offset );
-
- ADVANCE_LP_RING();
- }
-}
-
-static void i830_dma_dispatch_flip( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n",
- __FUNCTION__,
- dev_priv->current_page,
- dev_priv->sarea_priv->pf_current_page);
-
- i830_kernel_lost_context(dev);
-
- if (dev_priv->do_boxes) {
- dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP;
- i830_cp_performance_boxes( dev );
- }
-
-
- BEGIN_LP_RING( 2 );
- OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-
- BEGIN_LP_RING( 6 );
- OUT_RING( CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP );
- OUT_RING( 0 );
- if ( dev_priv->current_page == 0 ) {
- OUT_RING( dev_priv->back_offset );
- dev_priv->current_page = 1;
- } else {
- OUT_RING( dev_priv->front_offset );
- dev_priv->current_page = 0;
- }
- OUT_RING(0);
- ADVANCE_LP_RING();
-
-
- BEGIN_LP_RING( 2 );
- OUT_RING( MI_WAIT_FOR_EVENT |
- MI_WAIT_FOR_PLANE_A_FLIP );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-
-
- dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-}
-
-static void i830_dma_dispatch_vertex(drm_device_t *dev,
- drm_buf_t *buf,
- int discard,
- int used)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
- drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
- drm_clip_rect_t *box = sarea_priv->boxes;
- int nbox = sarea_priv->nbox;
- unsigned long address = (unsigned long)buf->bus_address;
- unsigned long start = address - dev->agp->base;
- int i = 0, u;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- if (nbox > I830_NR_SAREA_CLIPRECTS)
- nbox = I830_NR_SAREA_CLIPRECTS;
-
- if (discard) {
- u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
- I830_BUF_HARDWARE);
- if(u != I830_BUF_CLIENT) {
- DRM_DEBUG("xxxx 2\n");
- }
- }
-
- if (used > 4*1023)
- used = 0;
-
- if (sarea_priv->dirty)
- i830EmitState( dev );
-
- DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n",
- address, used, nbox);
-
- dev_priv->counter++;
- DRM_DEBUG( "dispatch counter : %ld\n", dev_priv->counter);
- DRM_DEBUG( "i830_dma_dispatch\n");
- DRM_DEBUG( "start : %lx\n", start);
- DRM_DEBUG( "used : %d\n", used);
- DRM_DEBUG( "start + used - 4 : %ld\n", start + used - 4);
-
- if (buf_priv->currently_mapped == I830_BUF_MAPPED) {
- u32 *vp = buf_priv->kernel_virtual;
-
- vp[0] = (GFX_OP_PRIMITIVE |
- sarea_priv->vertex_prim |
- ((used/4)-2));
-
- if (dev_priv->use_mi_batchbuffer_start) {
- vp[used/4] = MI_BATCH_BUFFER_END;
- used += 4;
- }
-
- if (used & 4) {
- vp[used/4] = 0;
- used += 4;
- }
-
- i830_unmap_buffer(buf);
- }
-
- if (used) {
- do {
- if (i < nbox) {
- BEGIN_LP_RING(6);
- OUT_RING( GFX_OP_DRAWRECT_INFO );
- OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR1] );
- OUT_RING( box[i].x1 | (box[i].y1<<16) );
- OUT_RING( box[i].x2 | (box[i].y2<<16) );
- OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR4] );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
- }
-
- if (dev_priv->use_mi_batchbuffer_start) {
- BEGIN_LP_RING(2);
- OUT_RING( MI_BATCH_BUFFER_START | (2<<6) );
- OUT_RING( start | MI_BATCH_NON_SECURE );
- ADVANCE_LP_RING();
- }
- else {
- BEGIN_LP_RING(4);
- OUT_RING( MI_BATCH_BUFFER );
- OUT_RING( start | MI_BATCH_NON_SECURE );
- OUT_RING( start + used - 4 );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
- }
-
- } while (++i < nbox);
- }
-
- if (discard) {
- dev_priv->counter++;
-
- (void) cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
- I830_BUF_HARDWARE);
-
- BEGIN_LP_RING(8);
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( 20 );
- OUT_RING( dev_priv->counter );
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( buf_priv->my_use_idx );
- OUT_RING( I830_BUF_FREE );
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
- }
-}
-
-
-void i830_dma_quiescent(drm_device_t *dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- BEGIN_LP_RING(4);
- OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-
- i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );
-}
-
-static int i830_flush_queue(drm_device_t *dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- int i, ret = 0;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- BEGIN_LP_RING(2);
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-
- i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
- int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE,
- I830_BUF_FREE);
-
- if (used == I830_BUF_HARDWARE)
- DRM_DEBUG("reclaimed from HARDWARE\n");
- if (used == I830_BUF_CLIENT)
- DRM_DEBUG("still on client\n");
- }
-
- return ret;
-}
-
-/* Must be called with the lock held */
-void i830_reclaim_buffers( drm_device_t *dev, struct file *filp )
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
-
- if (!dma) return;
- if (!dev->dev_private) return;
- if (!dma->buflist) return;
-
- i830_flush_queue(dev);
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[ i ];
- drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
- if (buf->filp == filp && buf_priv) {
- int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
- I830_BUF_FREE);
-
- if (used == I830_BUF_CLIENT)
- DRM_DEBUG("reclaimed from client\n");
- if(buf_priv->currently_mapped == I830_BUF_MAPPED)
- buf_priv->currently_mapped = I830_BUF_UNMAPPED;
- }
- }
-}
-
-int i830_flush_ioctl(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;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_flush_ioctl called without lock held\n");
- return -EINVAL;
- }
-
- i830_flush_queue(dev);
- return 0;
-}
-
-int i830_dma_vertex(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;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
- drm_i830_vertex_t vertex;
-
- if (copy_from_user(&vertex, (drm_i830_vertex_t __user *)arg, sizeof(vertex)))
- return -EFAULT;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_dma_vertex called without lock held\n");
- return -EINVAL;
- }
-
- DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
- vertex.idx, vertex.used, vertex.discard);
-
- if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL;
-
- i830_dma_dispatch_vertex( dev,
- dma->buflist[ vertex.idx ],
- vertex.discard, vertex.used );
-
- sarea_priv->last_enqueue = dev_priv->counter-1;
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return 0;
-}
-
-int i830_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_i830_clear_t clear;
-
- if (copy_from_user(&clear, (drm_i830_clear_t __user *)arg, sizeof(clear)))
- return -EFAULT;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_clear_bufs called without lock held\n");
- return -EINVAL;
- }
-
- /* GH: Someone's doing nasty things... */
- if (!dev->dev_private) {
- return -EINVAL;
- }
-
- i830_dma_dispatch_clear( dev, clear.flags,
- clear.clear_color,
- clear.clear_depth,
- clear.clear_depthmask);
- return 0;
-}
-
-int i830_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_DEBUG("i830_swap_bufs\n");
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_swap_buf called without lock held\n");
- return -EINVAL;
- }
-
- i830_dma_dispatch_swap( dev );
- return 0;
-}
-
-
-
-/* Not sure why this isn't set all the time:
- */
-static void i830_do_init_pageflip( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("%s\n", __FUNCTION__);
- dev_priv->page_flipping = 1;
- dev_priv->current_page = 0;
- dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-}
-
-int i830_do_cleanup_pageflip( drm_device_t *dev )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("%s\n", __FUNCTION__);
- if (dev_priv->current_page != 0)
- i830_dma_dispatch_flip( dev );
-
- dev_priv->page_flipping = 0;
- return 0;
-}
-
-int i830_flip_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_i830_private_t *dev_priv = dev->dev_private;
-
- DRM_DEBUG("%s\n", __FUNCTION__);
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_flip_buf called without lock held\n");
- return -EINVAL;
- }
-
- if (!dev_priv->page_flipping)
- i830_do_init_pageflip( dev );
-
- i830_dma_dispatch_flip( dev );
- return 0;
-}
-
-int i830_getage(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_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
-
- sarea_priv->last_dispatch = (int) hw_status[5];
- return 0;
-}
-
-int i830_getbuf(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;
- int retcode = 0;
- drm_i830_dma_t d;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
-
- DRM_DEBUG("getbuf\n");
- if (copy_from_user(&d, (drm_i830_dma_t __user *)arg, sizeof(d)))
- return -EFAULT;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_dma called without lock held\n");
- return -EINVAL;
- }
-
- d.granted = 0;
-
- retcode = i830_dma_get_buffer(dev, &d, filp);
-
- DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
- current->pid, retcode, d.granted);
-
- if (copy_to_user((drm_dma_t __user *)arg, &d, sizeof(d)))
- return -EFAULT;
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return retcode;
-}
-
-int i830_copybuf(struct inode *inode,
- struct file *filp,
- unsigned int cmd,
- unsigned long arg)
-{
- /* Never copy - 2.4.x doesn't need it */
- return 0;
-}
-
-int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- return 0;
-}
-
-
-
-int i830_getparam( 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_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_getparam_t param;
- int value;
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- return -EINVAL;
- }
-
- if (copy_from_user(&param, (drm_i830_getparam_t __user *)arg, sizeof(param) ))
- return -EFAULT;
-
- switch( param.param ) {
- case I830_PARAM_IRQ_ACTIVE:
- value = dev->irq_enabled;
- break;
- default:
- return -EINVAL;
- }
-
- if ( copy_to_user( param.value, &value, sizeof(int) ) ) {
- DRM_ERROR( "copy_to_user\n" );
- return -EFAULT;
- }
-
- return 0;
-}
-
-
-int i830_setparam( 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_i830_private_t *dev_priv = dev->dev_private;
- drm_i830_setparam_t param;
-
- if ( !dev_priv ) {
- DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
- return -EINVAL;
- }
-
- if (copy_from_user(&param, (drm_i830_setparam_t __user *)arg, sizeof(param) ))
- return -EFAULT;
-
- switch( param.param ) {
- case I830_SETPARAM_USE_MI_BATCHBUFFER_START:
- dev_priv->use_mi_batchbuffer_start = param.value;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-
-static void i830_driver_pretakedown(drm_device_t *dev)
-{
- i830_dma_cleanup( dev );
-}
-
-static void i830_driver_release(drm_device_t *dev, struct file *filp)
-{
- i830_reclaim_buffers(dev, filp);
-}
-
-static int i830_driver_dma_quiescent(drm_device_t *dev)
-{
- i830_dma_quiescent( dev );
- return 0;
-}
-
-void i830_driver_register_fns(drm_device_t *dev)
-{
- dev->driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE;
-#if USE_IRQS
- dev->driver_features |= DRIVER_HAVE_IRQ | DRIVER_SHARED_IRQ;
-#endif
- dev->dev_priv_size = sizeof(drm_i830_buf_priv_t);
- dev->fn_tbl.pretakedown = i830_driver_pretakedown;
- dev->fn_tbl.release = i830_driver_release;
- dev->fn_tbl.dma_quiescent = i830_driver_dma_quiescent;
- dev->fn_tbl.reclaim_buffers = i830_reclaim_buffers;
-#if USE_IRQS
- dev->fn_tbl.irq_preinstall = i830_driver_irq_preinstall;
- dev->fn_tbl.irq_postinstall = i830_driver_irq_postinstall;
- dev->fn_tbl.irq_uninstall = i830_driver_irq_uninstall;
- dev->fn_tbl.irq_handler = i830_driver_irq_handler;
-#endif
- dev->counters += 4;
- dev->types[6] = _DRM_STAT_IRQ;
- dev->types[7] = _DRM_STAT_PRIMARY;
- dev->types[8] = _DRM_STAT_SECONDARY;
- dev->types[9] = _DRM_STAT_DMA;
-}
-