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-rw-r--r--linux/i830.h116
-rw-r--r--linux/i830_dma.c1418
-rw-r--r--linux/i830_drm.h238
-rw-r--r--linux/i830_drv.c102
-rw-r--r--linux/i830_drv.h213
5 files changed, 2087 insertions, 0 deletions
diff --git a/linux/i830.h b/linux/i830.h
new file mode 100644
index 00000000..fb7a0b32
--- /dev/null
+++ b/linux/i830.h
@@ -0,0 +1,116 @@
+/* i830.h -- Intel I830 DRM template customization -*- linux-c -*-
+ * Created: Thu Feb 15 00:01:12 2001 by gareth@valinux.com
+ *
+ * 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:
+ * Gareth Hughes <gareth@valinux.com>
+ */
+
+#ifndef __I830_H__
+#define __I830_H__
+
+/* This remains constant for all DRM template files.
+ */
+#define DRM(x) i830_##x
+
+/* General customization:
+ */
+#define __HAVE_AGP 1
+#define __MUST_HAVE_AGP 1
+#define __HAVE_MTRR 1
+#define __HAVE_CTX_BITMAP 1
+
+/* Driver customization:
+ */
+#define __HAVE_RELEASE 1
+#define DRIVER_RELEASE() do { \
+ i830_reclaim_buffers( dev, priv->pid ); \
+} while (0)
+
+/* DMA customization:
+ */
+#define __HAVE_DMA 1
+#define __HAVE_DMA_QUEUE 1
+#define __HAVE_DMA_WAITLIST 1
+#define __HAVE_DMA_RECLAIM 1
+
+#define __HAVE_DMA_QUIESCENT 1
+#define DRIVER_DMA_QUIESCENT() do { \
+ i830_dma_quiescent( dev ); \
+} while (0)
+
+#define __HAVE_DMA_IRQ 1
+#define __HAVE_DMA_IRQ_BH 1
+#define __HAVE_SHARED_IRQ 1
+#define DRIVER_PREINSTALL() do { \
+ drm_i830_private_t *dev_priv = \
+ (drm_i830_private_t *)dev->dev_private; \
+ u16 tmp; \
+ tmp = I830_READ16( I830REG_HWSTAM ); \
+ tmp = tmp & 0x6000; \
+ I830_WRITE16( I830REG_HWSTAM, tmp ); \
+ \
+ tmp = I830_READ16( I830REG_INT_MASK_R ); \
+ tmp = tmp & 0x6000; /* Unmask interrupts */ \
+ I830_WRITE16( I830REG_INT_MASK_R, tmp ); \
+ tmp = I830_READ16( I830REG_INT_ENABLE_R ); \
+ tmp = tmp & 0x6000; /* Disable all interrupts */ \
+ I830_WRITE16( I830REG_INT_ENABLE_R, tmp ); \
+} while (0)
+
+#define DRIVER_POSTINSTALL() do { \
+ drm_i830_private_t *dev_priv = \
+ (drm_i830_private_t *)dev->dev_private; \
+ u16 tmp; \
+ tmp = I830_READ16( I830REG_INT_ENABLE_R ); \
+ tmp = tmp & 0x6000; \
+ tmp = tmp | 0x0003; /* Enable bp & user interrupts */ \
+ I830_WRITE16( I830REG_INT_ENABLE_R, tmp ); \
+} while (0)
+
+#define DRIVER_UNINSTALL() do { \
+ drm_i830_private_t *dev_priv = \
+ (drm_i830_private_t *)dev->dev_private; \
+ u16 tmp; \
+ if ( dev_priv ) { \
+ tmp = I830_READ16( I830REG_INT_IDENTITY_R ); \
+ tmp = tmp & ~(0x6000); /* Clear all interrupts */ \
+ if ( tmp != 0 ) \
+ I830_WRITE16( I830REG_INT_IDENTITY_R, tmp ); \
+ \
+ tmp = I830_READ16( I830REG_INT_ENABLE_R ); \
+ tmp = tmp & 0x6000; /* Disable all interrupts */ \
+ I830_WRITE16( I830REG_INT_ENABLE_R, tmp ); \
+ } \
+} while (0)
+
+/* Buffer customization:
+ */
+
+#define DRIVER_BUF_PRIV_T drm_i830_buf_priv_t
+
+#define DRIVER_AGP_BUFFERS_MAP( dev ) \
+ ((drm_i830_private_t *)((dev)->dev_private))->buffer_map
+
+#endif
diff --git a/linux/i830_dma.c b/linux/i830_dma.c
new file mode 100644
index 00000000..661987fb
--- /dev/null
+++ b/linux/i830_dma.c
@@ -0,0 +1,1418 @@
+/* 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 "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/linux/i830_drm.h b/linux/i830_drm.h
new file mode 100644
index 00000000..e4a2a257
--- /dev/null
+++ b/linux/i830_drm.h
@@ -0,0 +1,238 @@
+#ifndef _I830_DRM_H_
+#define _I830_DRM_H_
+
+/* WARNING: These defines must be the same as what the Xserver uses.
+ * if you change them, you must change the defines in the Xserver.
+ */
+
+#ifndef _I830_DEFINES_
+#define _I830_DEFINES_
+
+#define I830_DMA_BUF_ORDER 12
+#define I830_DMA_BUF_SZ (1<<I830_DMA_BUF_ORDER)
+#define I830_DMA_BUF_NR 256
+#define I830_NR_SAREA_CLIPRECTS 8
+
+/* Each region is a minimum of 64k, and there are at most 64 of them.
+ */
+#define I830_NR_TEX_REGIONS 64
+#define I830_LOG_MIN_TEX_REGION_SIZE 16
+
+/* if defining I830_ENABLE_4_TEXTURES, do it in i830_3d_reg.h, too */
+#if !defined(I830_ENABLE_4_TEXTURES)
+#define I830_TEXTURE_COUNT 2
+#define I830_TEXBLEND_COUNT 2 /* always same as TEXTURE_COUNT? */
+#else /* defined(I830_ENABLE_4_TEXTURES) */
+#define I830_TEXTURE_COUNT 4
+#define I830_TEXBLEND_COUNT 4 /* always same as TEXTURE_COUNT? */
+#endif /* I830_ENABLE_4_TEXTURES */
+
+#define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */
+
+#define I830_UPLOAD_CTX 0x1
+#define I830_UPLOAD_BUFFERS 0x2
+#define I830_UPLOAD_CLIPRECTS 0x4
+#define I830_UPLOAD_TEX0_IMAGE 0x100 /* handled clientside */
+#define I830_UPLOAD_TEX0_CUBE 0x200 /* handled clientside */
+#define I830_UPLOAD_TEX1_IMAGE 0x400 /* handled clientside */
+#define I830_UPLOAD_TEX1_CUBE 0x800 /* handled clientside */
+#define I830_UPLOAD_TEX2_IMAGE 0x1000 /* handled clientside */
+#define I830_UPLOAD_TEX2_CUBE 0x2000 /* handled clientside */
+#define I830_UPLOAD_TEX3_IMAGE 0x4000 /* handled clientside */
+#define I830_UPLOAD_TEX3_CUBE 0x8000 /* handled clientside */
+#define I830_UPLOAD_TEX_N_IMAGE(n) (0x100 << (n * 2))
+#define I830_UPLOAD_TEX_N_CUBE(n) (0x200 << (n * 2))
+#define I830_UPLOAD_TEXIMAGE_MASK 0xff00
+#define I830_UPLOAD_TEX0 0x10000
+#define I830_UPLOAD_TEX1 0x20000
+#define I830_UPLOAD_TEX2 0x40000
+#define I830_UPLOAD_TEX3 0x80000
+#define I830_UPLOAD_TEX_N(n) (0x10000 << (n))
+#define I830_UPLOAD_TEX_MASK 0xf0000
+#define I830_UPLOAD_TEXBLEND0 0x100000
+#define I830_UPLOAD_TEXBLEND1 0x200000
+#define I830_UPLOAD_TEXBLEND2 0x400000
+#define I830_UPLOAD_TEXBLEND3 0x800000
+#define I830_UPLOAD_TEXBLEND_N(n) (0x100000 << (n))
+#define I830_UPLOAD_TEXBLEND_MASK 0xf00000
+#define I830_UPLOAD_TEX_PALETTE_N(n) (0x1000000 << (n))
+#define I830_UPLOAD_TEX_PALETTE_SHARED 0x4000000
+
+/* Indices into buf.Setup where various bits of state are mirrored per
+ * context and per buffer. These can be fired at the card as a unit,
+ * or in a piecewise fashion as required.
+ */
+
+/* Destbuffer state
+ * - backbuffer linear offset and pitch -- invarient in the current dri
+ * - zbuffer linear offset and pitch -- also invarient
+ * - drawing origin in back and depth buffers.
+ *
+ * Keep the depth/back buffer state here to acommodate private buffers
+ * in the future.
+ */
+
+#define I830_DESTREG_CBUFADDR 0
+/* Invarient */
+#define I830_DESTREG_DBUFADDR 1
+#define I830_DESTREG_DV0 2
+#define I830_DESTREG_DV1 3
+#define I830_DESTREG_SENABLE 4
+#define I830_DESTREG_SR0 5
+#define I830_DESTREG_SR1 6
+#define I830_DESTREG_SR2 7
+#define I830_DESTREG_DR0 8
+#define I830_DESTREG_DR1 9
+#define I830_DESTREG_DR2 10
+#define I830_DESTREG_DR3 11
+#define I830_DESTREG_DR4 12
+#define I830_DEST_SETUP_SIZE 13
+
+/* Context state
+ */
+#define I830_CTXREG_STATE1 0
+#define I830_CTXREG_STATE2 1
+#define I830_CTXREG_STATE3 2
+#define I830_CTXREG_STATE4 3
+#define I830_CTXREG_STATE5 4
+#define I830_CTXREG_IALPHAB 5
+#define I830_CTXREG_STENCILTST 6
+#define I830_CTXREG_ENABLES_1 7
+#define I830_CTXREG_ENABLES_2 8
+#define I830_CTXREG_AA 9
+#define I830_CTXREG_FOGCOLOR 10
+#define I830_CTXREG_BLENDCOLR0 11
+#define I830_CTXREG_BLENDCOLR 12 /* Dword 1 of 2 dword command */
+#define I830_CTXREG_VF 13
+#define I830_CTXREG_VF2 14
+#define I830_CTXREG_MCSB0 15
+#define I830_CTXREG_MCSB1 16
+#define I830_CTX_SETUP_SIZE 17
+
+/* Texture state (per tex unit)
+ */
+
+#define I830_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (6 dwords) */
+#define I830_TEXREG_MI1 1
+#define I830_TEXREG_MI2 2
+#define I830_TEXREG_MI3 3
+#define I830_TEXREG_MI4 4
+#define I830_TEXREG_MI5 5
+#define I830_TEXREG_MF 6 /* GFX_OP_MAP_FILTER */
+#define I830_TEXREG_MLC 7 /* GFX_OP_MAP_LOD_CTL */
+#define I830_TEXREG_MLL 8 /* GFX_OP_MAP_LOD_LIMITS */
+#define I830_TEXREG_MCS 9 /* GFX_OP_MAP_COORD_SETS */
+#define I830_TEX_SETUP_SIZE 10
+
+#define I830_FRONT 0x1
+#define I830_BACK 0x2
+#define I830_DEPTH 0x4
+
+#endif /* _I830_DEFINES_ */
+
+typedef struct _drm_i830_init {
+ enum {
+ I830_INIT_DMA = 0x01,
+ I830_CLEANUP_DMA = 0x02
+ } func;
+ unsigned int mmio_offset;
+ unsigned int buffers_offset;
+ int sarea_priv_offset;
+ unsigned int ring_start;
+ unsigned int ring_end;
+ unsigned int ring_size;
+ unsigned int front_offset;
+ unsigned int back_offset;
+ unsigned int depth_offset;
+ unsigned int w;
+ unsigned int h;
+ unsigned int pitch;
+ unsigned int pitch_bits;
+ unsigned int back_pitch;
+ unsigned int depth_pitch;
+ unsigned int cpp;
+} drm_i830_init_t;
+
+/* Warning: If you change the SAREA structure you must change the Xserver
+ * structure as well */
+
+typedef struct _drm_i830_tex_region {
+ unsigned char next, prev; /* indices to form a circular LRU */
+ unsigned char in_use; /* owned by a client, or free? */
+ int age; /* tracked by clients to update local LRU's */
+} drm_i830_tex_region_t;
+
+typedef struct _drm_i830_sarea {
+ unsigned int ContextState[I830_CTX_SETUP_SIZE];
+ unsigned int BufferState[I830_DEST_SETUP_SIZE];
+ unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE];
+ unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
+ unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT];
+ unsigned int Palette[2][256];
+ unsigned int dirty;
+
+ unsigned int nbox;
+ drm_clip_rect_t boxes[I830_NR_SAREA_CLIPRECTS];
+
+ /* Maintain an LRU of contiguous regions of texture space. If
+ * you think you own a region of texture memory, and it has an
+ * age different to the one you set, then you are mistaken and
+ * it has been stolen by another client. If global texAge
+ * hasn't changed, there is no need to walk the list.
+ *
+ * These regions can be used as a proxy for the fine-grained
+ * texture information of other clients - by maintaining them
+ * in the same lru which is used to age their own textures,
+ * clients have an approximate lru for the whole of global
+ * texture space, and can make informed decisions as to which
+ * areas to kick out. There is no need to choose whether to
+ * kick out your own texture or someone else's - simply eject
+ * them all in LRU order.
+ */
+
+ drm_i830_tex_region_t texList[I830_NR_TEX_REGIONS+1];
+ /* Last elt is sentinal */
+ int texAge; /* last time texture was uploaded */
+ int last_enqueue; /* last time a buffer was enqueued */
+ int last_dispatch; /* age of the most recently dispatched buffer */
+ int last_quiescent; /* */
+ int ctxOwner; /* last context to upload state */
+
+ int vertex_prim;
+} drm_i830_sarea_t;
+
+typedef struct _drm_i830_clear {
+ int clear_color;
+ int clear_depth;
+ int flags;
+ unsigned int clear_colormask;
+ unsigned int clear_depthmask;
+} drm_i830_clear_t;
+
+
+
+/* These may be placeholders if we have more cliprects than
+ * I830_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
+ * false, indicating that the buffer will be dispatched again with a
+ * new set of cliprects.
+ */
+typedef struct _drm_i830_vertex {
+ int idx; /* buffer index */
+ int used; /* nr bytes in use */
+ int discard; /* client is finished with the buffer? */
+} drm_i830_vertex_t;
+
+typedef struct _drm_i830_copy_t {
+ int idx; /* buffer index */
+ int used; /* nr bytes in use */
+ void *address; /* Address to copy from */
+} drm_i830_copy_t;
+
+typedef struct drm_i830_dma {
+ void *virtual;
+ int request_idx;
+ int request_size;
+ int granted;
+} drm_i830_dma_t;
+
+#endif /* _I830_DRM_H_ */
diff --git a/linux/i830_drv.c b/linux/i830_drv.c
new file mode 100644
index 00000000..904f3660
--- /dev/null
+++ b/linux/i830_drv.c
@@ -0,0 +1,102 @@
+/* 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 "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"
diff --git a/linux/i830_drv.h b/linux/i830_drv.h
new file mode 100644
index 00000000..4e9d6c80
--- /dev/null
+++ b/linux/i830_drv.h
@@ -0,0 +1,213 @@
+/* i830_drv.h -- Private header for the I830 driver -*- 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>
+ *
+ */
+
+#ifndef _I830_DRV_H_
+#define _I830_DRV_H_
+
+typedef struct drm_i830_buf_priv {
+ u32 *in_use;
+ int my_use_idx;
+ int currently_mapped;
+ void *virtual;
+ void *kernel_virtual;
+ int map_count;
+ struct vm_area_struct *vma;
+} drm_i830_buf_priv_t;
+
+typedef struct _drm_i830_ring_buffer{
+ int tail_mask;
+ unsigned long Start;
+ unsigned long End;
+ unsigned long Size;
+ u8 *virtual_start;
+ int head;
+ int tail;
+ int space;
+} drm_i830_ring_buffer_t;
+
+typedef struct drm_i830_private {
+ drm_map_t *sarea_map;
+ drm_map_t *buffer_map;
+ drm_map_t *mmio_map;
+
+ drm_i830_sarea_t *sarea_priv;
+ drm_i830_ring_buffer_t ring;
+
+ unsigned long hw_status_page;
+ unsigned long counter;
+
+ atomic_t flush_done;
+ wait_queue_head_t flush_queue; /* Processes waiting until flush */
+ drm_buf_t *mmap_buffer;
+
+ u32 front_di1, back_di1, zi1;
+
+ int back_offset;
+ int depth_offset;
+ int w, h;
+ int pitch;
+ int back_pitch;
+ int depth_pitch;
+ unsigned int cpp;
+} drm_i830_private_t;
+
+ /* i830_dma.c */
+extern int i830_dma_schedule(drm_device_t *dev, int locked);
+extern int i830_getbuf(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int i830_dma_init(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int i830_flush_ioctl(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern void i830_reclaim_buffers(drm_device_t *dev, pid_t pid);
+extern int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd,
+ unsigned long arg);
+extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
+extern int i830_copybuf(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int i830_docopy(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
+extern void i830_dma_quiescent(drm_device_t *dev);
+
+extern int i830_dma_vertex(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
+extern int i830_swap_bufs(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
+extern int i830_clear_bufs(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
+#define I830_VERBOSE 0
+
+#define I830_BASE(reg) ((unsigned long) \
+ dev_priv->mmio_map->handle)
+#define I830_ADDR(reg) (I830_BASE(reg) + reg)
+#define I830_DEREF(reg) *(__volatile__ int *)I830_ADDR(reg)
+#define I830_READ(reg) I830_DEREF(reg)
+#define I830_WRITE(reg,val) do { I830_DEREF(reg) = val; } while (0)
+#define I830_DEREF16(reg) *(__volatile__ u16 *)I830_ADDR(reg)
+#define I830_READ16(reg) I830_DEREF16(reg)
+#define I830_WRITE16(reg,val) do { I830_DEREF16(reg) = val; } while (0)
+
+#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23))
+#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23))
+#define CMD_REPORT_HEAD (7<<23)
+#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1)
+#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1)
+
+#define INST_PARSER_CLIENT 0x00000000
+#define INST_OP_FLUSH 0x02000000
+#define INST_FLUSH_MAP_CACHE 0x00000001
+
+
+#define BB1_START_ADDR_MASK (~0x7)
+#define BB1_PROTECTED (1<<0)
+#define BB1_UNPROTECTED (0<<0)
+#define BB2_END_ADDR_MASK (~0x7)
+
+#define I830REG_HWSTAM 0x02098
+#define I830REG_INT_IDENTITY_R 0x020a4
+#define I830REG_INT_MASK_R 0x020a8
+#define I830REG_INT_ENABLE_R 0x020a0
+
+#define LP_RING 0x2030
+#define HP_RING 0x2040
+#define RING_TAIL 0x00
+#define TAIL_ADDR 0x000FFFF8
+#define RING_HEAD 0x04
+#define HEAD_WRAP_COUNT 0xFFE00000
+#define HEAD_WRAP_ONE 0x00200000
+#define HEAD_ADDR 0x001FFFFC
+#define RING_START 0x08
+#define START_ADDR 0x00FFFFF8
+#define RING_LEN 0x0C
+#define RING_NR_PAGES 0x000FF000
+#define RING_REPORT_MASK 0x00000006
+#define RING_REPORT_64K 0x00000002
+#define RING_REPORT_128K 0x00000004
+#define RING_NO_REPORT 0x00000000
+#define RING_VALID_MASK 0x00000001
+#define RING_VALID 0x00000001
+#define RING_INVALID 0x00000000
+
+#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define SC_UPDATE_SCISSOR (0x1<<1)
+#define SC_ENABLE_MASK (0x1<<0)
+#define SC_ENABLE (0x1<<0)
+
+#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
+#define SCI_YMIN_MASK (0xffff<<16)
+#define SCI_XMIN_MASK (0xffff<<0)
+#define SCI_YMAX_MASK (0xffff<<16)
+#define SCI_XMAX_MASK (0xffff<<0)
+
+#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
+#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
+#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4)
+#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
+#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
+#define GFX_OP_PRIMITIVE ((0x3<<29)|(0x1f<<24))
+
+#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
+
+
+#define BR00_BITBLT_CLIENT 0x40000000
+#define BR00_OP_COLOR_BLT 0x10000000
+#define BR00_OP_SRC_COPY_BLT 0x10C00000
+#define BR13_SOLID_PATTERN 0x80000000
+
+#define BUF_3D_ID_COLOR_BACK (0x3<<24)
+#define BUF_3D_ID_DEPTH (0x7<<24)
+#define BUF_3D_USE_FENCE (1<<23)
+#define BUF_3D_PITCH(x) (((x)/4)<<2)
+
+#define CMD_OP_MAP_PALETTE_LOAD ((3<<29)|(0x1d<<24)|(0x82<<16)|255)
+#define MAP_PALETTE_NUM(x) ((x<<8) & (1<<8))
+#define MAP_PALETTE_BOTH (1<<11)
+
+#define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4)
+#define XY_COLOR_BLT_WRITE_ALPHA (1<<21)
+#define XY_COLOR_BLT_WRITE_RGB (1<<20)
+
+#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
+
+#define MI_BATCH_BUFFER ((0x30<<23)|1)
+#define MI_BATCH_NON_SECURE (1)
+
+
+#endif
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 18:21:07 +0000