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-rw-r--r--bsd/i830/i830_dma.c1420
-rw-r--r--bsd/i830/i830_drv.c104
2 files changed, 0 insertions, 1524 deletions
diff --git a/bsd/i830/i830_dma.c b/bsd/i830/i830_dma.c
deleted file mode 100644
index fbdc9523..00000000
--- a/bsd/i830/i830_dma.c
+++ /dev/null
@@ -1,1420 +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 <keithw@valinux.com>
- * Abraham vd Merwe <abraham@2d3d.co.za>
- *
- */
-
-#define __NO_VERSION__
-#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 */
-
-/* in case we don't have a 2.3.99-pre6 kernel or later: */
-#ifndef VM_DONTCOPY
-#define VM_DONTCOPY 0
-#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
-
-#define RING_LOCALS unsigned int outring, ringmask; volatile char *virt;
-
-
-#define DO_IDLE_WORKAROUND() \
-do { \
- int _head; \
- int _tail; \
- int _i; \
- do { \
- _head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; \
- _tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; \
- for(_i = 0; _i < 65535; _i++); \
- } while(_head != _tail); \
-} while(0)
-
-#define I830_SYNC_WORKAROUND 0
-
-#define BEGIN_LP_RING(n) do { \
- if (I830_VERBOSE) \
- DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \
- n, __FUNCTION__); \
- if (I830_SYNC_WORKAROUND) \
- DO_IDLE_WORKAROUND(); \
- if (dev_priv->ring.space < n*4) \
- i830_wait_ring(dev, n*4); \
- dev_priv->ring.space -= n*4; \
- outring = dev_priv->ring.tail; \
- ringmask = dev_priv->ring.tail_mask; \
- virt = dev_priv->ring.virtual_start; \
-} while (0)
-
-#define ADVANCE_LP_RING() do { \
- if (I830_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n"); \
- dev_priv->ring.tail = outring; \
- I830_WRITE(LP_RING + RING_TAIL, outring); \
-} while(0)
-
-#define OUT_RING(n) do { \
- if (I830_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
- *(volatile unsigned int *)(virt + outring) = n; \
- outring += 4; \
- outring &= ringmask; \
-} while (0)
-
-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 = (u32 *)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,
- read: DRM(read),
- fasync: DRM(fasync),
- poll: DRM(poll),
-};
-
-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(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;
- int retcode = 0;
-
- if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL;
-
- if(VM_DONTCOPY != 0) {
-#if LINUX_VERSION_CODE <= 0x020402
- down( &current->mm->mmap_sem );
-#else
- down_write( &current->mm->mmap_sem );
-#endif
- old_fops = filp->f_op;
- filp->f_op = &i830_buffer_fops;
- dev_priv->mmap_buffer = buf;
- buf_priv->virtual = (void *)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 ((unsigned long)buf_priv->virtual > -1024UL) {
- /* Real error */
- DRM_DEBUG("mmap error\n");
- retcode = (signed int)buf_priv->virtual;
- buf_priv->virtual = 0;
- }
-#if LINUX_VERSION_CODE <= 0x020402
- up( &current->mm->mmap_sem );
-#else
- up_write( &current->mm->mmap_sem );
-#endif
- } else {
- buf_priv->virtual = buf_priv->kernel_virtual;
- buf_priv->currently_mapped = I830_BUF_MAPPED;
- }
- 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(VM_DONTCOPY != 0) {
- if(buf_priv->currently_mapped != I830_BUF_MAPPED)
- return -EINVAL;
-#if LINUX_VERSION_CODE <= 0x020402
- down( &current->mm->mmap_sem );
-#else
- down_write( &current->mm->mmap_sem );
-#endif
-#if LINUX_VERSION_CODE < 0x020399
- retcode = do_munmap((unsigned long)buf_priv->virtual,
- (size_t) buf->total);
-#else
- retcode = do_munmap(current->mm,
- (unsigned long)buf_priv->virtual,
- (size_t) buf->total);
-#endif
-#if LINUX_VERSION_CODE <= 0x020402
- up( &current->mm->mmap_sem );
-#else
- up_write( &current->mm->mmap_sem );
-#endif
- }
- buf_priv->currently_mapped = I830_BUF_UNMAPPED;
- buf_priv->virtual = 0;
-
- return retcode;
-}
-
-static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d,
- struct file *filp)
-{
- drm_file_t *priv = filp->private_data;
- 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_DEBUG("mapbuf failed, retcode %d\n", retcode);
- return retcode;
- }
- buf->pid = priv->pid;
- 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;
-}
-
-static unsigned long i830_alloc_page(drm_device_t *dev)
-{
- unsigned long address;
-
- address = __get_free_page(GFP_KERNEL);
- if(address == 0UL)
- return 0;
-
- atomic_inc(&virt_to_page(address)->count);
- set_bit(PG_locked, &virt_to_page(address)->flags);
-
- return address;
-}
-
-static void i830_free_page(drm_device_t *dev, unsigned long page)
-{
- if(page == 0UL)
- return;
-
- atomic_dec(&virt_to_page(page)->count);
- clear_bit(PG_locked, &virt_to_page(page)->flags);
- wake_up(&virt_to_page(page)->wait);
- free_page(page);
- return;
-}
-
-static int i830_dma_cleanup(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
-
- 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);
- }
- if(dev_priv->hw_status_page != 0UL) {
- i830_free_page(dev, dev_priv->hw_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;
- DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total);
- }
- }
- return 0;
-}
-
-static int i830_wait_ring(drm_device_t *dev, int n)
-{
- 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) {
- int i;
-
- 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((signed)(end - jiffies) <= 0) {
- DRM_ERROR("space: %d wanted %d\n", ring->space, n);
- DRM_ERROR("lockup\n");
- goto out_wait_ring;
- }
-
- for (i = 0 ; i < 2000 ; i++) ;
- }
-
-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);
- ring->space = ring->head - (ring->tail+8);
- if (ring->space < 0) ring->space += ring->Size;
-}
-
-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);
- }
- 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 = (drm_map_list_t *)list;
- 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;
- }
- DRM_FIND_MAP( dev_priv->mmio_map, 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;
- }
- DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
- if(!dev_priv->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);
-
- atomic_set(&dev_priv->flush_done, 0);
- init_waitqueue_head(&dev_priv->flush_queue);
-
- 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);
-
- 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_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;
-
- dev_priv->cpp = init->cpp;
- /* We are using seperate values as placeholders for mechanisms for
- * private backbuffer/depthbuffer usage.
- */
-
- dev_priv->back_pitch = init->back_pitch;
- dev_priv->depth_pitch = init->depth_pitch;
-
- /* Program Hardware Status Page */
- dev_priv->hw_status_page = i830_alloc_page(dev);
- if(dev_priv->hw_status_page == 0UL) {
- dev->dev_private = (void *)dev_priv;
- i830_dma_cleanup(dev);
- DRM_ERROR("Can not allocate hardware status page\n");
- return -ENOMEM;
- }
- memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
- DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
-
- I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_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, (drm_i830_init_t *)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;
-}
-
-/* Most efficient way to verify state for the i830 is as it is
- * emitted. Non-conformant state is silently dropped.
- *
- * Use 'volatile' & local var tmp to force the emitted values to be
- * identical to the verified ones.
- */
-static void i830EmitContextVerified( drm_device_t *dev,
- volatile 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 );
- for ( i = 0 ; i < I830_CTX_SETUP_SIZE ; i++ ) {
- tmp = code[i];
-
-#if 0
- if ((tmp & (7<<29)) == (3<<29) &&
- (tmp & (0x1f<<24)) < (0x1d<<24)) {
- OUT_RING( tmp );
- j++;
- } else {
- printk("Skipping %d\n", i);
- }
-#else
- OUT_RING( tmp );
- j++;
-#endif
- }
-
- if (j & 1)
- OUT_RING( 0 );
-
- ADVANCE_LP_RING();
-}
-
-static void i830EmitTexVerified( drm_device_t *dev,
- volatile 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_TEX_SETUP_SIZE );
-
- OUT_RING( GFX_OP_MAP_INFO );
- OUT_RING( code[I830_TEXREG_MI1] );
- OUT_RING( code[I830_TEXREG_MI2] );
- OUT_RING( code[I830_TEXREG_MI3] );
- OUT_RING( code[I830_TEXREG_MI4] );
- OUT_RING( code[I830_TEXREG_MI5] );
-
- 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();
-}
-
-static void i830EmitTexBlendVerified( drm_device_t *dev,
- volatile unsigned int *code,
- volatile unsigned int num)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- int i, j = 0;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( num );
-
- 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;
-
- 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);
-}
-
-/* Need to do some additional checking when setting the dest buffer.
- */
-static void i830EmitDestVerified( drm_device_t *dev,
- volatile unsigned int *code )
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- unsigned int tmp;
- RING_LOCALS;
-
- BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 6 );
-
- tmp = code[I830_DESTREG_CBUFADDR];
- if (tmp == dev_priv->front_di1) {
- /* Don't use fence when front buffer rendering */
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_COLOR_BACK |
- BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) );
- OUT_RING( tmp );
-
- OUT_RING( CMD_OP_DESTBUFFER_INFO );
- OUT_RING( BUF_3D_ID_DEPTH |
- BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
- OUT_RING( dev_priv->zi1 );
- } else if(tmp == dev_priv->back_di1) {
- 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( 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 );
- } else {
- DRM_DEBUG("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_DEBUG("bad scissor enable\n");
- OUT_RING( 0 );
- }
-
- OUT_RING( code[I830_DESTREG_SENABLE] );
-
- OUT_RING( GFX_OP_SCISSOR_RECT );
- OUT_RING( code[I830_DESTREG_SR1] );
- OUT_RING( code[I830_DESTREG_SR2] );
-
- 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;
-
- 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);
- }
- }
-}
-
-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;
-
- 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( 0 );
- 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 ofs = dev_priv->back_offset;
- int i;
- unsigned int CMD, BR13;
- RING_LOCALS;
-
- DRM_DEBUG("swapbuffers\n");
-
- 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;
- }
-
- i830_kernel_lost_context(dev);
-
- 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 );
-
- OUT_RING( 0 /* front ofs always zero */ );
- OUT_RING( (pbox->y1 << 16) |
- pbox->x1 );
-
- OUT_RING( BR13 & 0xffff );
- OUT_RING( ofs );
-
- ADVANCE_LP_RING();
- }
-}
-
-
-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*1024)
- 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 *)buf_priv->virtual = (GFX_OP_PRIMITIVE |
- sarea_priv->vertex_prim |
- ((used/4)-2));
-
- if (used & 4) {
- *(u32 *)((u32)buf_priv->virtual + used) = 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();
- }
-
- 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);
- }
-
- BEGIN_LP_RING(10);
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( 20 );
- OUT_RING( dev_priv->counter );
- OUT_RING( 0 );
-
- if (discard) {
- OUT_RING( CMD_STORE_DWORD_IDX );
- OUT_RING( buf_priv->my_use_idx );
- OUT_RING( I830_BUF_FREE );
- OUT_RING( 0 );
- }
-
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( 0 );
- ADVANCE_LP_RING();
-}
-
-/* Interrupts are only for flushing */
-void i830_dma_service(int irq, void *device, struct pt_regs *regs)
-{
- drm_device_t *dev = (drm_device_t *)device;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u16 temp;
-
- temp = I830_READ16(I830REG_INT_IDENTITY_R);
- temp = temp & ~(0x6000);
- if(temp != 0) I830_WRITE16(I830REG_INT_IDENTITY_R,
- temp); /* Clear all interrupts */
- else
- return;
-
- queue_task(&dev->tq, &tq_immediate);
- mark_bh(IMMEDIATE_BH);
-}
-
-void DRM(dma_immediate_bh)(void *device)
-{
- drm_device_t *dev = (drm_device_t *) device;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
-
- atomic_set(&dev_priv->flush_done, 1);
- wake_up_interruptible(&dev_priv->flush_queue);
-}
-
-static inline void i830_dma_emit_flush(drm_device_t *dev)
-{
- drm_i830_private_t *dev_priv = dev->dev_private;
- RING_LOCALS;
-
- i830_kernel_lost_context(dev);
-
- BEGIN_LP_RING(2);
- OUT_RING( CMD_REPORT_HEAD );
- OUT_RING( GFX_OP_USER_INTERRUPT );
- ADVANCE_LP_RING();
-
- i830_wait_ring( dev, dev_priv->ring.Size - 8 );
- atomic_set(&dev_priv->flush_done, 1);
- wake_up_interruptible(&dev_priv->flush_queue);
-}
-
-static inline void i830_dma_quiescent_emit(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( GFX_OP_USER_INTERRUPT );
- ADVANCE_LP_RING();
-
- i830_wait_ring( dev, dev_priv->ring.Size - 8 );
- atomic_set(&dev_priv->flush_done, 1);
- wake_up_interruptible(&dev_priv->flush_queue);
-}
-
-void i830_dma_quiescent(drm_device_t *dev)
-{
- DECLARE_WAITQUEUE(entry, current);
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- unsigned long end;
-
- if(dev_priv == NULL) {
- return;
- }
- atomic_set(&dev_priv->flush_done, 0);
- add_wait_queue(&dev_priv->flush_queue, &entry);
- end = jiffies + (HZ*3);
-
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- i830_dma_quiescent_emit(dev);
- if (atomic_read(&dev_priv->flush_done) == 1) break;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("lockup\n");
- break;
- }
- schedule_timeout(HZ*3);
- if (signal_pending(current)) {
- break;
- }
- }
-
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev_priv->flush_queue, &entry);
-
- return;
-}
-
-static int i830_flush_queue(drm_device_t *dev)
-{
- DECLARE_WAITQUEUE(entry, current);
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- unsigned long end;
- int i, ret = 0;
-
- if(dev_priv == NULL) {
- return 0;
- }
- atomic_set(&dev_priv->flush_done, 0);
- add_wait_queue(&dev_priv->flush_queue, &entry);
- end = jiffies + (HZ*3);
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- i830_dma_emit_flush(dev);
- if (atomic_read(&dev_priv->flush_done) == 1) break;
- if((signed)(end - jiffies) <= 0) {
- DRM_ERROR("lockup\n");
- break;
- }
- schedule_timeout(HZ*3);
- if (signal_pending(current)) {
- ret = -EINTR; /* Can't restart */
- break;
- }
- }
-
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev_priv->flush_queue, &entry);
-
-
- 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 HARDWARE\n");
- }
-
- return ret;
-}
-
-/* Must be called with the lock held */
-void i830_reclaim_buffers(drm_device_t *dev, pid_t pid)
-{
- 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->pid == pid && 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;
-
- DRM_DEBUG("i830_flush_ioctl\n");
- 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 = (u32 *)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 *)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 *)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;
-}
-
-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 = (u32 *)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 = (u32 *)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 *)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 *)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)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_i830_copy_t d;
- drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
- drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *)
- dev_priv->sarea_priv;
- drm_buf_t *buf;
- drm_i830_buf_priv_t *buf_priv;
- drm_device_dma_t *dma = dev->dma;
-
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
- DRM_ERROR("i830_dma called without lock held\n");
- return -EINVAL;
- }
-
- if (copy_from_user(&d, (drm_i830_copy_t *)arg, sizeof(d)))
- return -EFAULT;
-
- if(d.idx < 0 || d.idx > dma->buf_count) return -EINVAL;
- buf = dma->buflist[ d.idx ];
- buf_priv = buf->dev_private;
- if (buf_priv->currently_mapped != I830_BUF_MAPPED) return -EPERM;
-
- if(d.used < 0 || d.used > buf->total) return -EINVAL;
-
- if (copy_from_user(buf_priv->virtual, d.address, d.used))
- return -EFAULT;
-
- sarea_priv->last_dispatch = (int) hw_status[5];
-
- return 0;
-}
-
-int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- if(VM_DONTCOPY == 0) return 1;
- return 0;
-}
diff --git a/bsd/i830/i830_drv.c b/bsd/i830/i830_drv.c
deleted file mode 100644
index ad31d1ef..00000000
--- a/bsd/i830/i830_drv.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* i830_drv.c -- I810 driver -*- linux-c -*-
- * Created: Mon Dec 13 01:56:22 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
- * VA LINUX SYSTEMS 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>
- * Gareth Hughes <gareth@valinux.com>
- * Abraham vd Merwe <abraham@2d3d.co.za>
- */
-
-#include <linux/config.h>
-#include "i830.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i830_drm.h"
-#include "i830_drv.h"
-
-#define DRIVER_AUTHOR "VA Linux Systems Inc."
-
-#define DRIVER_NAME "i830"
-#define DRIVER_DESC "Intel 830M"
-#define DRIVER_DATE "20011004"
-
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 2
-#define DRIVER_PATCHLEVEL 0
-
-#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_INIT)] = { i830_dma_init, 1, 1 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_GETAGE)] = { i830_getage, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_GETBUF)] = { i830_getbuf, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_COPY)] = { i830_copybuf, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I830_DOCOPY)] = { i830_docopy, 1, 0 },
-
-#define __HAVE_COUNTERS 4
-#define __HAVE_COUNTER6 _DRM_STAT_IRQ
-#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY
-#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY
-#define __HAVE_COUNTER9 _DRM_STAT_DMA
-
-
-#include "drm_agpsupport.h"
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_context.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-#ifndef MODULE
-/* DRM(options) is called by the kernel to parse command-line options
- * passed via the boot-loader (e.g., LILO). It calls the insmod option
- * routine, drm_parse_drm.
- */
-
-/* JH- We have to hand expand the string ourselves because of the cpp. If
- * anyone can think of a way that we can fit into the __setup macro without
- * changing it, then please send the solution my way.
- */
-static int __init i830_options( char *str )
-{
- DRM(parse_options)( str );
- return 1;
-}
-
-__setup( DRIVER_NAME "=", i830_options );
-#endif
-
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lock.h"
-#include "drm_lists.h"
-#include "drm_memory.h"
-#include "drm_proc.h"
-#include "drm_vm.h"
-#include "drm_stub.h"