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-rw-r--r--linux-core/Makefile.kernel7
-rw-r--r--linux-core/drm_context.c11
-rw-r--r--linux-core/drm_fops.c12
-rw-r--r--linux-core/i810_dma.c157
-rw-r--r--linux-core/i810_drm.h16
-rw-r--r--linux-core/i810_drv.c11
-rw-r--r--linux-core/i810_drv.h14
-rw-r--r--linux-core/sis_drv.c10
8 files changed, 228 insertions, 10 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index e2630989..1060d4cb 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -3,13 +3,14 @@
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
O_TARGET := drm.o
-list-multi := gamma.o tdfx.o r128.o mga.o i810.o ffb.o radeon.o
+list-multi := gamma.o tdfx.o r128.o mga.o i810.o i830.o ffb.o radeon.o
gamma-objs := gamma_drv.o gamma_dma.o
tdfx-objs := tdfx_drv.o
r128-objs := r128_drv.o r128_cce.o r128_state.o
mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o
i810-objs := i810_drv.o i810_dma.o
+i830-objs := i830_drv.o i830_dma.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o
ffb-objs := ffb_drv.o ffb_context.o
@@ -19,6 +20,7 @@ obj-$(CONFIG_DRM_R128) += r128.o
obj-$(CONFIG_DRM_RADEON)+= radeon.o
obj-$(CONFIG_DRM_MGA) += mga.o
obj-$(CONFIG_DRM_I810) += i810.o
+obj-$(CONFIG_DRM_I830) += i830.o
obj-$(CONFIG_DRM_FFB) += ffb.o
include $(TOPDIR)/Rules.make
@@ -35,6 +37,9 @@ mga.o: $(mga-objs) $(lib)
i810.o: $(i810-objs) $(lib)
$(LD) -r -o $@ $(i810-objs) $(lib)
+i830.o: $(i830-objs) $(lib)
+ $(LD) -r -o $@ $(i830-objs) $(lib)
+
r128.o: $(r128-objs) $(lib)
$(LD) -r -o $@ $(r128-objs) $(lib)
diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c
index 33d6112e..e155946d 100644
--- a/linux-core/drm_context.c
+++ b/linux-core/drm_context.c
@@ -27,6 +27,10 @@
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
+ * ChangeLog:
+ * 2001-11-16 Torsten Duwe <duwe@caldera.de>
+ * added context constructor/destructor hooks,
+ * needed by SiS driver's memory management.
*/
#define __NO_VERSION__
@@ -316,6 +320,10 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
/* Should this return -EBUSY instead? */
return -ENOMEM;
}
+#ifdef DRIVER_CTX_CTOR
+ if ( ctx.handle != DRM_KERNEL_CONTEXT )
+ DRIVER_CTX_CTOR(ctx.handle); /* XXX: also pass dev ? */
+#endif
if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) )
return -EFAULT;
@@ -390,6 +398,9 @@ int DRM(rmctx)( struct inode *inode, struct file *filp,
priv->remove_auth_on_close = 1;
}
if ( ctx.handle != DRM_KERNEL_CONTEXT ) {
+#ifdef DRIVER_CTX_DTOR
+ DRIVER_CTX_DTOR(ctx.handle); /* XXX: also pass dev ? */
+#endif
DRM(ctxbitmap_free)( dev, ctx.handle );
}
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index d8e9112f..9c2135fe 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -125,21 +125,31 @@ ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off)
int avail;
int send;
int cur;
+ DECLARE_WAITQUEUE(wait, current);
DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp);
+ add_wait_queue(&dev->buf_readers, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
while (dev->buf_rp == dev->buf_wp) {
DRM_DEBUG(" sleeping\n");
if (filp->f_flags & O_NONBLOCK) {
+ remove_wait_queue(&dev->buf_readers, &wait);
+ set_current_state(TASK_RUNNING);
return -EAGAIN;
}
- interruptible_sleep_on(&dev->buf_readers);
+ schedule(); /* wait for dev->buf_readers */
if (signal_pending(current)) {
DRM_DEBUG(" interrupted\n");
+ remove_wait_queue(&dev->buf_readers, &wait);
+ set_current_state(TASK_RUNNING);
return -ERESTARTSYS;
}
DRM_DEBUG(" awake\n");
+ set_current_state(TASK_INTERRUPTIBLE);
}
+ remove_wait_queue(&dev->buf_readers, &wait);
+ set_current_state(TASK_RUNNING);
left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ;
avail = DRM_BSZ - left;
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index e9b0e807..ae0a3616 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -86,6 +86,7 @@ static inline void i810_print_status_page(drm_device_t *dev)
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: Last Render: %x\n", temp[4]);
DRM_DEBUG( "hw_status: Driver Counter : %d\n", temp[5]);
for(i = 6; i < dma->buf_count + 6; i++) {
DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 6, temp[i]);
@@ -471,6 +472,9 @@ static int i810_dma_initialize(drm_device_t *dev,
dev_priv->back_offset = init->back_offset;
dev_priv->depth_offset = init->depth_offset;
+ dev_priv->overlay_offset = init->overlay_offset;
+ dev_priv->overlay_physical = init->overlay_physical;
+
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;
@@ -1259,3 +1263,156 @@ int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
if(VM_DONTCOPY == 0) return 1;
return 0;
}
+
+static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used,
+ unsigned int last_render)
+{
+ drm_i810_private_t *dev_priv = dev->dev_private;
+ drm_i810_buf_priv_t *buf_priv = buf->dev_private;
+ drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ unsigned long address = (unsigned long)buf->bus_address;
+ unsigned long start = address - dev->agp->base;
+ int u;
+ RING_LOCALS;
+
+ i810_kernel_lost_context(dev);
+
+ u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT,
+ I810_BUF_HARDWARE);
+ if(u != I810_BUF_CLIENT) {
+ DRM_DEBUG("MC found buffer that isn't mine!\n");
+ }
+
+ if (used > 4*1024)
+ used = 0;
+
+ sarea_priv->dirty = 0x7f;
+
+ DRM_DEBUG("dispatch mc addr 0x%lx, used 0x%x\n",
+ address, used);
+
+ dev_priv->counter++;
+ DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter);
+ DRM_DEBUG("i810_dma_dispatch_mc\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 == I810_BUF_MAPPED) {
+ if (used & 4) {
+ *(u32 *)((u32)buf_priv->virtual + used) = 0;
+ used += 4;
+ }
+
+ i810_unmap_buffer(buf);
+ }
+ BEGIN_LP_RING(4);
+ OUT_RING( CMD_OP_BATCH_BUFFER );
+ OUT_RING( start | BB1_PROTECTED );
+ OUT_RING( start + used - 4 );
+ OUT_RING( 0 );
+ ADVANCE_LP_RING();
+
+
+ BEGIN_LP_RING(8);
+ OUT_RING( CMD_STORE_DWORD_IDX );
+ OUT_RING( buf_priv->my_use_idx );
+ OUT_RING( I810_BUF_FREE );
+ OUT_RING( 0 );
+
+ OUT_RING( CMD_STORE_DWORD_IDX );
+ OUT_RING( 16 );
+ OUT_RING( last_render );
+ OUT_RING( 0 );
+ ADVANCE_LP_RING();
+}
+
+int i810_dma_mc(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_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+ u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+ drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
+ dev_priv->sarea_priv;
+ drm_i810_mc_t mc;
+
+ if (copy_from_user(&mc, (drm_i810_mc_t *)arg, sizeof(mc)))
+ return -EFAULT;
+
+
+ if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ DRM_ERROR("i810_dma_mc called without lock held\n");
+ return -EINVAL;
+ }
+
+ i810_dma_dispatch_mc(dev, dma->buflist[mc.idx], mc.used,
+ mc.last_render );
+
+ atomic_add(mc.used, &dev->counts[_DRM_STAT_SECONDARY]);
+ atomic_inc(&dev->counts[_DRM_STAT_DMA]);
+ sarea_priv->last_enqueue = dev_priv->counter-1;
+ sarea_priv->last_dispatch = (int) hw_status[5];
+
+ return 0;
+}
+
+int i810_rstatus(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_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+ return (int)(((u32 *)(dev_priv->hw_status_page))[4]);
+}
+
+int i810_ov0_info(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_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+ drm_i810_overlay_t data;
+
+ data.offset = dev_priv->overlay_offset;
+ data.physical = dev_priv->overlay_physical;
+ copy_to_user((drm_i810_overlay_t *)arg,&data,sizeof(data));
+ return 0;
+}
+
+int i810_fstatus(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_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+ if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ DRM_ERROR("i810_fstatus called without lock held\n");
+ return -EINVAL;
+ }
+ return I810_READ(0x30008);
+}
+
+int i810_ov0_flip(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_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
+
+ if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ DRM_ERROR("i810_ov0_flip called without lock held\n");
+ return -EINVAL;
+ }
+
+ //Tell the overlay to update
+ I810_WRITE(0x30000,dev_priv->overlay_physical | 0x80000000);
+
+ return 0;
+}
+
+
diff --git a/linux-core/i810_drm.h b/linux-core/i810_drm.h
index 5d47adda..8413293b 100644
--- a/linux-core/i810_drm.h
+++ b/linux-core/i810_drm.h
@@ -112,6 +112,8 @@ typedef struct _drm_i810_init {
unsigned int front_offset;
unsigned int back_offset;
unsigned int depth_offset;
+ unsigned int overlay_offset;
+ unsigned int overlay_physical;
unsigned int w;
unsigned int h;
unsigned int pitch;
@@ -196,4 +198,18 @@ typedef struct drm_i810_dma {
int granted;
} drm_i810_dma_t;
+typedef struct _drm_i810_overlay_t {
+ unsigned int offset; /* Address of the Overlay Regs */
+ unsigned int physical;
+} drm_i810_overlay_t;
+
+typedef struct _drm_i810_mc {
+ int idx; /* buffer index */
+ int used; /* nr bytes in use */
+ int num_blocks; /* number of GFXBlocks */
+ int *length; /* List of lengths for GFXBlocks (FUTURE)*/
+ unsigned int last_render; /* Last Render Request */
+} drm_i810_mc_t;
+
+
#endif /* _I810_DRM_H_ */
diff --git a/linux-core/i810_drv.c b/linux-core/i810_drv.c
index 1a200e0c..559b2617 100644
--- a/linux-core/i810_drv.c
+++ b/linux-core/i810_drv.c
@@ -39,10 +39,10 @@
#define DRIVER_NAME "i810"
#define DRIVER_DESC "Intel i810"
-#define DRIVER_DATE "20010917"
+#define DRIVER_DATE "20010920"
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 1
+#define DRIVER_MINOR 2
#define DRIVER_PATCHLEVEL 0
#define DRIVER_IOCTLS \
@@ -54,7 +54,12 @@
[DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, \
[DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, \
- [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_I810_OV0INFO)] = { i810_ov0_info, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_I810_FSTATUS)] = { i810_fstatus, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_I810_OV0FLIP)] = { i810_ov0_flip, 1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_I810_MC)] = { i810_dma_mc, 1, 1 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_I810_RSTATUS)] = { i810_rstatus, 1, 0 }
#define __HAVE_COUNTERS 4
diff --git a/linux-core/i810_drv.h b/linux-core/i810_drv.h
index e1b17148..a27384d4 100644
--- a/linux-core/i810_drv.h
+++ b/linux-core/i810_drv.h
@@ -73,6 +73,8 @@ typedef struct drm_i810_private {
int back_offset;
int depth_offset;
+ int overlay_offset;
+ int overlay_physical;
int w, h;
int pitch;
} drm_i810_private_t;
@@ -94,6 +96,18 @@ extern int i810_copybuf(struct inode *inode, struct file *filp,
extern int i810_docopy(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
+extern int i810_rstatus(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int i810_ov0_info(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int i810_fstatus(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int i810_ov0_flip(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+extern int i810_dma_mc(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg);
+
+
extern void i810_dma_quiescent(drm_device_t *dev);
#define I810_VERBOSE 0
diff --git a/linux-core/sis_drv.c b/linux-core/sis_drv.c
index 3dd83fd7..2d9612f5 100644
--- a/linux-core/sis_drv.c
+++ b/linux-core/sis_drv.c
@@ -40,12 +40,12 @@
#define DRIVER_PATCHLEVEL 0
#define DRIVER_IOCTLS \
- [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 1 }, \
- [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 1 }, \
+ [DRM_IOCTL_NR(SIS_IOCTL_FB_ALLOC)] = { sis_fb_alloc, 1, 0 }, \
+ [DRM_IOCTL_NR(SIS_IOCTL_FB_FREE)] = { sis_fb_free, 1, 0 }, \
/* AGP Memory Management */ \
- [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sisp_agp_init, 1, 1 }, \
- [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sisp_agp_alloc, 1, 1 }, \
- [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sisp_agp_free, 1, 1 }
+ [DRM_IOCTL_NR(SIS_IOCTL_AGP_INIT)] = { sisp_agp_init, 1, 0 }, \
+ [DRM_IOCTL_NR(SIS_IOCTL_AGP_ALLOC)] = { sisp_agp_alloc, 1, 0 }, \
+ [DRM_IOCTL_NR(SIS_IOCTL_AGP_FREE)] = { sisp_agp_free, 1, 0 }
#if 0 /* these don't appear to be defined */
/* SIS Stereo */
[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { sis_control, 1, 1 },
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 19:29:00 +0000