summaryrefslogtreecommitdiff
path: root/linux
diff options
context:
space:
mode:
Diffstat (limited to 'linux')
-rw-r--r--linux/Makefile.kernel3
-rw-r--r--linux/Makefile.linux6
-rw-r--r--linux/drm.h26
-rw-r--r--linux/r128_bufs.c20
-rw-r--r--linux/r128_cce.c1248
-rw-r--r--linux/r128_context.c18
-rw-r--r--linux/r128_dma.c909
-rw-r--r--linux/r128_drm.h275
-rw-r--r--linux/r128_drv.c221
-rw-r--r--linux/r128_drv.h490
-rw-r--r--linux/r128_state.c1630
11 files changed, 3597 insertions, 1249 deletions
diff --git a/linux/Makefile.kernel b/linux/Makefile.kernel
index b1b8d976..278ff264 100644
--- a/linux/Makefile.kernel
+++ b/linux/Makefile.kernel
@@ -38,7 +38,8 @@ endif
gamma-objs := $(lib-objs) gamma_drv.o gamma_dma.o
tdfx-objs := $(lib-objs) tdfx_drv.o tdfx_context.o
-r128-objs := $(lib-objs) r128_drv.o r128_dma.o r128_context.o r128_bufs.o
+r128-objs := $(lib-objs) r128_drv.o r128_cce.o r128_context.o r128_bufs.o\
+ r128_state.o
ffb-objs := $(lib-objs) ffb_drv.o ffb_context.o
mga-objs := $(lib-objs) mga_drv.o mga_dma.o mga_context.o mga_bufs.o \
mga_state.o
diff --git a/linux/Makefile.linux b/linux/Makefile.linux
index adf19005..2d8abbb5 100644
--- a/linux/Makefile.linux
+++ b/linux/Makefile.linux
@@ -11,11 +11,11 @@
# 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
@@ -60,7 +60,7 @@ GAMMAHEADERS= gamma_drv.h $(DRMHEADERS)
TDFXOBJS= tdfx_drv.o tdfx_context.o
TDFXHEADERS= tdfx_drv.h $(DRMHEADERS)
-R128OBJS= r128_drv.o r128_dma.o r128_bufs.o r128_context.o
+R128OBJS= r128_drv.o r128_cce.o r128_bufs.o r128_state.o r128_context.o
R128HEADERS= r128_drv.h r128_drm.h $(DRMHEADERS)
INC= /usr/include
diff --git a/linux/drm.h b/linux/drm.h
index 57032d6e..20691ccf 100644
--- a/linux/drm.h
+++ b/linux/drm.h
@@ -11,11 +11,11 @@
* 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
@@ -23,7 +23,7 @@
* 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>
*
@@ -363,12 +363,20 @@ typedef struct drm_agp_info {
#define DRM_IOCTL_I810_DOCOPY DRM_IO ( 0x48)
/* Rage 128 specific ioctls */
-#define DRM_IOCTL_R128_INIT DRM_IOW( 0x40, drm_r128_init_t)
-#define DRM_IOCTL_R128_RESET DRM_IO( 0x41)
-#define DRM_IOCTL_R128_FLUSH DRM_IO( 0x42)
-#define DRM_IOCTL_R128_IDLE DRM_IO( 0x43)
-#define DRM_IOCTL_R128_PACKET DRM_IOW( 0x44, drm_r128_packet_t)
-#define DRM_IOCTL_R128_VERTEX DRM_IOW( 0x45, drm_r128_vertex_t)
+#define DRM_IOCTL_R128_INIT DRM_IOW( 0x40, drm_r128_init_t)
+#define DRM_IOCTL_R128_CCE_START DRM_IO( 0x41)
+#define DRM_IOCTL_R128_CCE_STOP DRM_IOW( 0x42, drm_r128_cce_stop_t)
+#define DRM_IOCTL_R128_CCE_RESET DRM_IO( 0x43)
+#define DRM_IOCTL_R128_CCE_IDLE DRM_IO( 0x44)
+#define DRM_IOCTL_R128_RESET DRM_IO( 0x46)
+#define DRM_IOCTL_R128_SWAP DRM_IO( 0x47)
+#define DRM_IOCTL_R128_CLEAR DRM_IOW( 0x48, drm_r128_clear_t)
+#define DRM_IOCTL_R128_VERTEX DRM_IOW( 0x49, drm_r128_vertex_t)
+#define DRM_IOCTL_R128_INDICES DRM_IOW( 0x4a, drm_r128_indices_t)
+#define DRM_IOCTL_R128_BLIT DRM_IOW( 0x4b, drm_r128_blit_t)
+#define DRM_IOCTL_R128_DEPTH DRM_IOW( 0x4c, drm_r128_depth_t)
+#define DRM_IOCTL_R128_STIPPLE DRM_IOW( 0x4d, drm_r128_stipple_t)
+#define DRM_IOCTL_R128_PACKET DRM_IOWR(0x4e, drm_r128_packet_t)
/* SiS specific ioctls */
#define SIS_IOCTL_FB_ALLOC DRM_IOWR( 0x44, drm_sis_mem_t)
diff --git a/linux/r128_bufs.c b/linux/r128_bufs.c
index 7e76441e..a060749e 100644
--- a/linux/r128_bufs.c
+++ b/linux/r128_bufs.c
@@ -11,11 +11,11 @@
* 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
@@ -23,11 +23,11 @@
* 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: Kevin E. Martin <martin@valinux.com>
* Rickard E. (Rik) Faith <faith@valinux.com>
* Jeff Hartmann <jhartmann@valinux.com>
- *
+ *
*/
#define __NO_VERSION__
@@ -94,7 +94,7 @@ int r128_addbufs_agp(struct inode *inode, struct file *filp, unsigned int cmd,
}
atomic_inc(&dev->buf_alloc);
spin_unlock(&dev->count_lock);
-
+
down(&dev->struct_sem);
entry = &dma->bufs[order];
if (entry->buf_count) {
@@ -102,7 +102,7 @@ int r128_addbufs_agp(struct inode *inode, struct file *filp, unsigned int cmd,
atomic_dec(&dev->buf_alloc);
return -ENOMEM; /* May only call once for each order */
}
-
+
entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
DRM_MEM_BUFS);
if (!entry->buflist) {
@@ -111,7 +111,7 @@ int r128_addbufs_agp(struct inode *inode, struct file *filp, unsigned int cmd,
return -ENOMEM;
}
memset(entry->buflist, 0, count * sizeof(*entry->buflist));
-
+
entry->buf_size = size;
entry->page_order = page_order;
offset = 0;
@@ -243,16 +243,16 @@ int r128_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd,
if (dma->flags & _DRM_DMA_USE_AGP) {
drm_map_t *map;
- map = dev_priv->agp_vertbufs;
+ map = dev_priv->buffers;
if (!map) {
retcode = -EINVAL;
goto done;
}
down(&current->mm->mmap_sem);
- virtual = do_mmap(filp, 0, map->size,
+ virtual = do_mmap(filp, 0, map->size,
PROT_READ|PROT_WRITE,
- MAP_SHARED,
+ MAP_SHARED,
(unsigned long)map->offset);
up(&current->mm->mmap_sem);
} else {
diff --git a/linux/r128_cce.c b/linux/r128_cce.c
new file mode 100644
index 00000000..0b1576a9
--- /dev/null
+++ b/linux/r128_cce.c
@@ -0,0 +1,1248 @@
+/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*-
+ * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com
+ *
+ * Copyright 2000 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:
+ * Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include "r128_drv.h"
+
+#include <linux/interrupt.h> /* For task queue support */
+#include <linux/delay.h>
+
+
+/* FIXME: Temporary CCE packet buffer */
+u32 r128_cce_buffer[(1 << 14)] __attribute__ ((aligned (32)));
+
+/* CCE microcode (from ATI) */
+static u32 r128_cce_microcode[] = {
+ 0, 276838400, 0, 268449792, 2, 142, 2, 145, 0, 1076765731, 0,
+ 1617039951, 0, 774592877, 0, 1987540286, 0, 2307490946U, 0,
+ 599558925, 0, 589505315, 0, 596487092, 0, 589505315, 1,
+ 11544576, 1, 206848, 1, 311296, 1, 198656, 2, 912273422, 11,
+ 262144, 0, 0, 1, 33559837, 1, 7438, 1, 14809, 1, 6615, 12, 28,
+ 1, 6614, 12, 28, 2, 23, 11, 18874368, 0, 16790922, 1, 409600, 9,
+ 30, 1, 147854772, 16, 420483072, 3, 8192, 0, 10240, 1, 198656,
+ 1, 15630, 1, 51200, 10, 34858, 9, 42, 1, 33559823, 2, 10276, 1,
+ 15717, 1, 15718, 2, 43, 1, 15936948, 1, 570480831, 1, 14715071,
+ 12, 322123831, 1, 33953125, 12, 55, 1, 33559908, 1, 15718, 2,
+ 46, 4, 2099258, 1, 526336, 1, 442623, 4, 4194365, 1, 509952, 1,
+ 459007, 3, 0, 12, 92, 2, 46, 12, 176, 1, 15734, 1, 206848, 1,
+ 18432, 1, 133120, 1, 100670734, 1, 149504, 1, 165888, 1,
+ 15975928, 1, 1048576, 6, 3145806, 1, 15715, 16, 2150645232U, 2,
+ 268449859, 2, 10307, 12, 176, 1, 15734, 1, 15735, 1, 15630, 1,
+ 15631, 1, 5253120, 6, 3145810, 16, 2150645232U, 1, 15864, 2, 82,
+ 1, 343310, 1, 1064207, 2, 3145813, 1, 15728, 1, 7817, 1, 15729,
+ 3, 15730, 12, 92, 2, 98, 1, 16168, 1, 16167, 1, 16002, 1, 16008,
+ 1, 15974, 1, 15975, 1, 15990, 1, 15976, 1, 15977, 1, 15980, 0,
+ 15981, 1, 10240, 1, 5253120, 1, 15720, 1, 198656, 6, 110, 1,
+ 180224, 1, 103824738, 2, 112, 2, 3145839, 0, 536885440, 1,
+ 114880, 14, 125, 12, 206975, 1, 33559995, 12, 198784, 0,
+ 33570236, 1, 15803, 0, 15804, 3, 294912, 1, 294912, 3, 442370,
+ 1, 11544576, 0, 811612160, 1, 12593152, 1, 11536384, 1,
+ 14024704, 7, 310382726, 0, 10240, 1, 14796, 1, 14797, 1, 14793,
+ 1, 14794, 0, 14795, 1, 268679168, 1, 9437184, 1, 268449792, 1,
+ 198656, 1, 9452827, 1, 1075854602, 1, 1075854603, 1, 557056, 1,
+ 114880, 14, 159, 12, 198784, 1, 1109409213, 12, 198783, 1,
+ 1107312059, 12, 198784, 1, 1109409212, 2, 162, 1, 1075854781, 1,
+ 1073757627, 1, 1075854780, 1, 540672, 1, 10485760, 6, 3145894,
+ 16, 274741248, 9, 168, 3, 4194304, 3, 4209949, 0, 0, 0, 256, 14,
+ 174, 1, 114857, 1, 33560007, 12, 176, 0, 10240, 1, 114858, 1,
+ 33560018, 1, 114857, 3, 33560007, 1, 16008, 1, 114874, 1,
+ 33560360, 1, 114875, 1, 33560154, 0, 15963, 0, 256, 0, 4096, 1,
+ 409611, 9, 188, 0, 10240, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+
+#define DO_REMAP(_m) (_m)->handle = drm_ioremap((_m)->offset, (_m)->size)
+
+#define DO_REMAPFREE(_m) \
+ do { \
+ if ((_m)->handle && (_m)->size) \
+ drm_ioremapfree((_m)->handle, (_m)->size); \
+ } while (0)
+
+#define DO_FIND_MAP(_m, _o) \
+ do { \
+ int _i; \
+ for (_i = 0; _i < dev->map_count; _i++) { \
+ if (dev->maplist[_i]->offset == _o) { \
+ _m = dev->maplist[_i]; \
+ break; \
+ } \
+ } \
+ } while (0)
+
+
+int R128_READ_PLL(drm_device_t *dev, int addr)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+
+ R128_WRITE8(R128_CLOCK_CNTL_INDEX, addr & 0x1f);
+ return R128_READ(R128_CLOCK_CNTL_DATA);
+}
+
+
+static void r128_status( drm_r128_private_t *dev_priv )
+{
+ printk( "GUI_STAT = 0x%08x\n",
+ (unsigned int)R128_READ( R128_GUI_STAT ) );
+ printk( "PM4_STAT = 0x%08x\n",
+ (unsigned int)R128_READ( R128_PM4_STAT ) );
+ printk( "PM4_BUFFER_DL_WPTR = 0x%08x\n",
+ (unsigned int)R128_READ( R128_PM4_BUFFER_DL_WPTR ) );
+ printk( "PM4_BUFFER_DL_RPTR = 0x%08x\n",
+ (unsigned int)R128_READ( R128_PM4_BUFFER_DL_RPTR ) );
+ printk( "PM4_MICRO_CNTL = 0x%08x\n",
+ (unsigned int)R128_READ( R128_PM4_MICRO_CNTL ) );
+ printk( "PM4_BUFFER_CNTL = 0x%08x\n",
+ (unsigned int)R128_READ( R128_PM4_BUFFER_CNTL ) );
+}
+
+
+/* ================================================================
+ * Engine, FIFO control
+ */
+
+static int r128_do_pixcache_flush( drm_r128_private_t *dev_priv )
+{
+ u32 tmp;
+ int i;
+
+ tmp = R128_READ( R128_PC_NGUI_CTLSTAT ) | R128_PC_FLUSH_ALL;
+ R128_WRITE( R128_PC_NGUI_CTLSTAT, tmp );
+
+ for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
+ if ( !(R128_READ( R128_PC_NGUI_CTLSTAT ) & R128_PC_BUSY) ) {
+ return 0;
+ }
+ udelay( 1 );
+ }
+
+ DRM_ERROR( "%s failed!\n", __FUNCTION__ );
+ return -EBUSY;
+}
+
+static int r128_do_wait_for_fifo( drm_r128_private_t *dev_priv, int entries )
+{
+ int i;
+
+ for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
+ int slots = R128_READ( R128_GUI_STAT ) & R128_GUI_FIFOCNT_MASK;
+ if ( slots >= entries ) return 0;
+ udelay( 1 );
+ }
+
+ DRM_ERROR( "%s failed!\n", __FUNCTION__ );
+ return -EBUSY;
+}
+
+static int r128_do_wait_for_idle( drm_r128_private_t *dev_priv )
+{
+ int i, ret;
+
+ ret = r128_do_wait_for_fifo( dev_priv, 64 );
+ if ( !ret ) return ret;
+
+ for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
+ if ( !(R128_READ( R128_GUI_STAT ) & R128_GUI_ACTIVE) ) {
+ r128_do_pixcache_flush( dev_priv );
+ return 0;
+ }
+ udelay( 1 );
+ }
+
+ DRM_ERROR( "%s failed!\n", __FUNCTION__ );
+ return -EBUSY;
+}
+
+
+/* ================================================================
+ * CCE control, initialization
+ */
+
+/* Load the microcode for the CCE */
+static void r128_cce_load_microcode( drm_r128_private_t *dev_priv )
+{
+ int i;
+
+ r128_do_wait_for_idle( dev_priv );
+
+ R128_WRITE( R128_PM4_MICROCODE_ADDR, 0 );
+ for ( i = 0 ; i < 256 ; i++ ) {
+ R128_WRITE( R128_PM4_MICROCODE_DATAH,
+ r128_cce_microcode[i * 2] );
+ R128_WRITE( R128_PM4_MICROCODE_DATAL,
+ r128_cce_microcode[i * 2 + 1] );
+ }
+}
+
+/* Flush any pending commands to the CCE. This should only be used just
+ * prior to a wait for idle, as it informs the engine that the command
+ * stream is ending.
+ */
+static void r128_do_cce_flush( drm_r128_private_t *dev_priv )
+{
+ u32 tmp;
+
+ tmp = R128_READ( R128_PM4_BUFFER_DL_WPTR ) | R128_PM4_BUFFER_DL_DONE;
+ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, tmp );
+}
+
+/* Wait for the CCE to go idle.
+ */
+static int r128_do_cce_idle( drm_r128_private_t *dev_priv )
+{
+ int i;
+
+ for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
+ if ( *dev_priv->ring.head == dev_priv->ring.tail ) {
+ int pm4stat = R128_READ( R128_PM4_STAT );
+ if ( ( (pm4stat & R128_PM4_FIFOCNT_MASK) >=
+ dev_priv->cce_fifo_size ) &&
+ !(pm4stat & (R128_PM4_BUSY |
+ R128_PM4_GUI_ACTIVE)) ) {
+ return r128_do_pixcache_flush( dev_priv );
+ }
+ }
+ udelay( 1 );
+ }
+
+#if 0
+ DRM_ERROR( "failed!\n" );
+ r128_status( dev_priv );
+#endif
+ return -EBUSY;
+}
+
+/* Start the Concurrent Command Engine.
+ */
+static void r128_do_cce_start( drm_r128_private_t *dev_priv )
+{
+ r128_do_wait_for_idle( dev_priv );
+
+ R128_WRITE( R128_PM4_BUFFER_CNTL,
+ dev_priv->cce_mode | dev_priv->ring.size_l2qw );
+ R128_READ( R128_PM4_BUFFER_ADDR ); /* as per the sample code */
+ R128_WRITE( R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN );
+
+ dev_priv->cce_running = 1;
+}
+
+/* Reset the Concurrent Command Engine. This will not flush any pending
+ * commangs, so you must wait for the CCE command stream to complete
+ * before calling this routine.
+ */
+static void r128_do_cce_reset( drm_r128_private_t *dev_priv )
+{
+ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 );
+ R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 );
+ *dev_priv->ring.head = 0;
+ dev_priv->ring.tail = 0;
+}
+
+/* Stop the Concurrent Command Engine. This will not flush any pending
+ * commangs, so you must flush the command stream and wait for the CCE
+ * to go idle before calling this routine.
+ */
+static void r128_do_cce_stop( drm_r128_private_t *dev_priv )
+{
+ R128_WRITE( R128_PM4_MICRO_CNTL, 0 );
+ R128_WRITE( R128_PM4_BUFFER_CNTL, R128_PM4_NONPM4 );
+
+ dev_priv->cce_running = 0;
+}
+
+/* Reset the engine. This will stop the CCE if it is running.
+ */
+static int r128_do_engine_reset( drm_device_t *dev )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ u32 clock_cntl_index, mclk_cntl, gen_reset_cntl;
+
+ r128_do_pixcache_flush( dev_priv );
+
+ clock_cntl_index = R128_READ( R128_CLOCK_CNTL_INDEX );
+ mclk_cntl = R128_READ_PLL( dev, R128_MCLK_CNTL );
+
+ R128_WRITE_PLL( R128_MCLK_CNTL,
+ mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP );
+
+ gen_reset_cntl = R128_READ( R128_GEN_RESET_CNTL );
+
+ /* Taken from the sample code - do not change */
+ R128_WRITE( R128_GEN_RESET_CNTL,
+ gen_reset_cntl | R128_SOFT_RESET_GUI );
+ R128_READ( R128_GEN_RESET_CNTL );
+ R128_WRITE( R128_GEN_RESET_CNTL,
+ gen_reset_cntl & ~R128_SOFT_RESET_GUI );
+ R128_READ( R128_GEN_RESET_CNTL );
+
+ R128_WRITE_PLL( R128_MCLK_CNTL, mclk_cntl );
+ R128_WRITE( R128_CLOCK_CNTL_INDEX, clock_cntl_index );
+ R128_WRITE( R128_GEN_RESET_CNTL, gen_reset_cntl );
+
+ /* Reset the CCE ring */
+ r128_do_cce_reset( dev_priv );
+
+ /* The CCE is no longer running after an engine reset */
+ dev_priv->cce_running = 0;
+
+ /* Reset any pending vertex, indirect buffers */
+ r128_freelist_reset( dev );
+
+ return 0;
+}
+
+static void r128_cce_init_ring_buffer( drm_device_t *dev )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ u32 ring_start;
+ u32 tmp;
+
+ /* The manual (p. 2) says this address is in "VM space". This
+ * means it's an offset from the start of AGP space.
+ */
+ ring_start = dev_priv->cce_ring->offset - dev->agp->base;
+ R128_WRITE( R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET );
+
+ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 );
+ R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 );
+
+ /* DL_RPTR_ADDR is a physical address in AGP space. */
+ *dev_priv->ring.head = 0;
+ R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
+ dev_priv->ring_rptr->offset );
+
+ /* Set watermark control */
+ R128_WRITE( R128_PM4_BUFFER_WM_CNTL,
+ ((R128_WATERMARK_L/4) << R128_WMA_SHIFT)
+ | ((R128_WATERMARK_M/4) << R128_WMB_SHIFT)
+ | ((R128_WATERMARK_N/4) << R128_WMC_SHIFT)
+ | ((R128_WATERMARK_K/64) << R128_WB_WM_SHIFT) );
+
+ /* Force read. Why? Because it's in the examples... */
+ R128_READ( R128_PM4_BUFFER_ADDR );
+
+ /* Turn on bus mastering */
+ tmp = R128_READ( R128_BUS_CNTL ) & ~R128_BUS_MASTER_DIS;
+ R128_WRITE( R128_BUS_CNTL, tmp );
+}
+
+static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
+{
+ drm_r128_private_t *dev_priv;
+ int i;
+
+ dev_priv = drm_alloc( sizeof(drm_r128_private_t), DRM_MEM_DRIVER );
+ if ( dev_priv == NULL )
+ return -ENOMEM;
+ dev->dev_private = (void *)dev_priv;
+
+ memset( dev_priv, 0, sizeof(drm_r128_private_t) );
+
+ dev_priv->is_pci = init->is_pci;
+
+ /* GH: We don't support PCI cards until PCI GART is implemented.
+ * Fail here so we can remove all checks for PCI cards around
+ * the CCE ring code.
+ */
+ if ( dev_priv->is_pci ) {
+ drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER );
+ dev->dev_private = NULL;
+ return -EINVAL;
+ }
+
+ dev_priv->usec_timeout = init->usec_timeout;
+ if ( dev_priv->usec_timeout < 1 ||
+ dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT ) {
+ drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER );
+ dev->dev_private = NULL;
+ return -EINVAL;
+ }
+
+ dev_priv->cce_mode = init->cce_mode;
+ dev_priv->cce_secure = init->cce_secure;
+
+ /* GH: Simple idle check.
+ */
+ atomic_set( &dev_priv->idle_count, 0 );
+
+ /* We don't support anything other than bus-mastering ring mode,
+ * but the ring can be in either AGP or PCI space for the ring
+ * read pointer.
+ */
+ if ( ( init->cce_mode != R128_PM4_192BM ) &&
+ ( init->cce_mode != R128_PM4_128BM_64INDBM ) &&
+ ( init->cce_mode != R128_PM4_64BM_128INDBM ) &&
+ ( init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM ) ) {
+ drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER );
+ dev->dev_private = NULL;
+ return -EINVAL;
+ }
+
+ switch ( init->cce_mode ) {
+ case R128_PM4_NONPM4:
+ dev_priv->cce_fifo_size = 0;
+ break;
+ case R128_PM4_192PIO:
+ case R128_PM4_192BM:
+ dev_priv->cce_fifo_size = 192;
+ break;
+ case R128_PM4_128PIO_64INDBM:
+ case R128_PM4_128BM_64INDBM:
+ dev_priv->cce_fifo_size = 128;
+ break;
+ case R128_PM4_64PIO_128INDBM:
+ case R128_PM4_64BM_128INDBM:
+ case R128_PM4_64PIO_64VCBM_64INDBM:
+ case R128_PM4_64BM_64VCBM_64INDBM:
+ case R128_PM4_64PIO_64VCPIO_64INDPIO:
+ dev_priv->cce_fifo_size = 64;
+ break;
+ }
+
+ dev_priv->fb_bpp = init->fb_bpp;
+ dev_priv->front_offset = init->front_offset;
+ dev_priv->front_pitch = init->front_pitch;
+ dev_priv->back_offset = init->back_offset;
+ dev_priv->back_pitch = init->back_pitch;
+
+ dev_priv->depth_bpp = init->depth_bpp;
+ dev_priv->depth_offset = init->depth_offset;
+ dev_priv->depth_pitch = init->depth_pitch;
+ dev_priv->span_offset = init->span_offset;
+
+ dev_priv->front_pitch_offset_c = (((dev_priv->front_pitch/8) << 21) |
+ (dev_priv->front_offset >> 5));
+ dev_priv->back_pitch_offset_c = (((dev_priv->back_pitch/8) << 21) |
+ (dev_priv->back_offset >> 5));
+ dev_priv->depth_pitch_offset_c = (((dev_priv->depth_pitch/8) << 21) |
+ (dev_priv->depth_offset >> 5) |
+ R128_DST_TILE);
+ dev_priv->span_pitch_offset_c = (((dev_priv->depth_pitch/8) << 21) |
+ (dev_priv->span_offset >> 5));
+
+ /* FIXME: We want multiple shared areas, including one shared
+ * only by the X Server and kernel module.
+ */
+ for ( i = 0 ; i < dev->map_count ; i++ ) {
+ if ( dev->maplist[i]->type == _DRM_SHM ) {
+ dev_priv->sarea = dev->maplist[i];
+ break;
+ }
+ }
+
+ DO_FIND_MAP( dev_priv->fb, init->fb_offset );
+ DO_FIND_MAP( dev_priv->mmio, init->mmio_offset );
+ DO_FIND_MAP( dev_priv->cce_ring, init->ring_offset );
+ DO_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset );
+ DO_FIND_MAP( dev_priv->buffers, init->buffers_offset );
+
+ if ( !dev_priv->is_pci ) {
+ DO_FIND_MAP( dev_priv->agp_textures,
+ init->agp_textures_offset );
+ }
+
+ dev_priv->sarea_priv =
+ (drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle +
+ init->sarea_priv_offset);
+
+ DO_REMAP( dev_priv->cce_ring );
+ DO_REMAP( dev_priv->ring_rptr );
+ DO_REMAP( dev_priv->buffers );
+#if 0
+ if ( !dev_priv->is_pci ) {
+ DO_REMAP( dev_priv->agp_textures );
+ }
+#endif
+
+ dev_priv->ring.head = ((__volatile__ u32 *)
+ dev_priv->ring_rptr->handle);
+
+ dev_priv->ring.start = (u32 *)dev_priv->cce_ring->handle;
+ dev_priv->ring.end = ((u32 *)dev_priv->cce_ring->handle
+ + init->ring_size / sizeof(u32));
+ dev_priv->ring.size = init->ring_size;
+ dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 );
+
+ dev_priv->ring.tail_mask =
+ (dev_priv->ring.size / sizeof(u32)) - 1;
+
+ dev_priv->sarea_priv->last_frame = 0;
+ R128_WRITE( R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame );
+
+ dev_priv->sarea_priv->last_dispatch = 0;
+ R128_WRITE( R128_LAST_DISPATCH_REG,
+ dev_priv->sarea_priv->last_dispatch );
+
+ r128_cce_init_ring_buffer( dev );
+ r128_cce_load_microcode( dev_priv );
+ r128_do_engine_reset( dev );
+
+ return 0;
+}
+
+static int r128_do_cleanup_cce( drm_device_t *dev )
+{
+ if ( dev->dev_private ) {
+ drm_r128_private_t *dev_priv = dev->dev_private;
+
+ DO_REMAPFREE( dev_priv->cce_ring );
+ DO_REMAPFREE( dev_priv->ring_rptr );
+ DO_REMAPFREE( dev_priv->buffers );
+#if 0
+ if ( !dev_priv->is_pci ) {
+ DO_REMAPFREE( dev_priv->agp_textures );
+ }
+#endif
+
+ drm_free( dev->dev_private, sizeof(drm_r128_private_t),
+ DRM_MEM_DRIVER );
+ dev->dev_private = NULL;
+ }
+
+ return 0;
+}
+
+int r128_cce_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_r128_init_t init;
+
+ if ( copy_from_user( &init, (drm_r128_init_t *)arg, sizeof(init) ) )
+ return -EFAULT;
+
+ switch ( init.func ) {
+ case R128_INIT_CCE:
+ return r128_do_init_cce( dev, &init );
+ case R128_CLEANUP_CCE:
+ return r128_do_cleanup_cce( dev );
+ }
+
+ return -EINVAL;
+}
+
+int r128_cce_start( 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_r128_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+ if ( dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4 ) {
+ DRM_DEBUG( "%s while CCE running\n", __FUNCTION__ );
+ return 0;
+ }
+
+ r128_do_cce_start( dev_priv );
+
+ return 0;
+}
+
+/* Stop the CCE. The engine must have been idled before calling this
+ * routine.
+ */
+int r128_cce_stop( 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_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_cce_stop_t stop;
+ int ret;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &stop, (drm_r128_init_t *)arg, sizeof(stop) ) )
+ return -EFAULT;
+
+ /* Flush any pending CCE commands. This ensures any outstanding
+ * commands are exectuted by the engine before we turn it off.
+ */
+ if ( stop.flush ) {
+ r128_do_cce_flush( dev_priv );
+ }
+
+ /* If we fail to make the engine go idle, we return an error
+ * code so that the DRM ioctl wrapper can try again.
+ */
+ if ( stop.idle ) {
+ ret = r128_do_cce_idle( dev_priv );
+ if ( ret < 0 ) return ret;
+ }
+
+ /* Finally, we can turn off the CCE. If the engine isn't idle,
+ * we will get some dropped triangles as they won't be fully
+ * rendered before the CCE is shut down.
+ */
+ r128_do_cce_stop( dev_priv );
+
+ /* Reset the engine */
+ r128_do_engine_reset( dev );
+
+ return 0;
+}
+
+/* Just reset the CCE ring. Called as part of an X Server engine reset.
+ */
+int r128_cce_reset( 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_r128_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+ if ( !dev_priv ) {
+ DRM_DEBUG( "%s called before init done\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ r128_do_cce_reset( dev_priv );
+
+ /* The CCE is no longer running after an engine reset */
+ dev_priv->cce_running = 0;
+
+ return 0;
+}
+
+int r128_cce_idle( 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_r128_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if ( dev_priv->cce_running ) {
+ r128_do_cce_flush( dev_priv );
+ }
+
+ return r128_do_cce_idle( dev_priv );
+}
+
+int r128_engine_reset( 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( "%s\n", __FUNCTION__ );
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ return r128_do_engine_reset( dev );
+}
+
+
+/* ================================================================
+ * Freelist management
+ */
+#define R128_BUFFER_USED 0xffffffff
+#define R128_BUFFER_FREE 0
+
+static int r128_freelist_init( drm_device_t *dev )
+{
+ drm_device_dma_t *dma = dev->dma;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_buf_t *buf;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_r128_freelist_t *entry;
+ int i;
+
+ dev_priv->head = drm_alloc( sizeof(drm_r128_freelist_t),
+ DRM_MEM_DRIVER );
+ if ( dev_priv->head == NULL )
+ return -ENOMEM;
+
+ memset( dev_priv->head, 0, sizeof(drm_r128_freelist_t) );
+ dev_priv->head->age = R128_BUFFER_USED;
+
+ for ( i = 0 ; i < dma->buf_count ; i++ ) {
+ buf = dma->buflist[i];
+ buf_priv = buf->dev_private;
+
+ entry = drm_alloc( sizeof(drm_r128_freelist_t),
+ DRM_MEM_DRIVER );
+ if ( !entry ) return -ENOMEM;
+
+ entry->age = R128_BUFFER_FREE;
+ entry->buf = buf;
+ entry->prev = dev_priv->head;
+ entry->next = dev_priv->head->next;
+ if ( !entry->next )
+ dev_priv->tail = entry;
+
+ buf_priv->discard = 0;
+ buf_priv->dispatched = 0;
+ buf_priv->list_entry = entry;
+
+ dev_priv->head->next = entry;
+
+ if ( dev_priv->head->next )
+ dev_priv->head->next->prev = entry;
+ }
+
+ return 0;
+
+}
+
+drm_buf_t *r128_freelist_get( drm_device_t *dev )
+{
+ drm_device_dma_t *dma = dev->dma;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_buf_t *buf;
+ int i, t;
+
+ /* FIXME: Optimize -- use freelist code */
+
+ for ( i = 0 ; i < dma->buf_count ; i++ ) {
+ buf = dma->buflist[i];
+ buf_priv = buf->dev_private;
+ if ( buf->pid == 0 )
+ return buf;
+ }
+
+ for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) {
+ u32 done_age = R128_READ( R128_LAST_DISPATCH_REG );
+
+ for ( i = 0 ; i < dma->buf_count ; i++ ) {
+ buf = dma->buflist[i];
+ buf_priv = buf->dev_private;
+ if ( buf->pending && buf_priv->age <= done_age ) {
+ /* The buffer has been processed, so it
+ * can now be used.
+ */
+ buf->pending = 0;
+ return buf;
+ }
+ }
+ udelay( 1 );
+ }
+
+ DRM_ERROR( "returning NULL!\n" );
+ return NULL;
+}
+
+void r128_freelist_reset( drm_device_t *dev )
+{
+ drm_device_dma_t *dma = dev->dma;
+ int i;
+
+ for ( i = 0 ; i < dma->buf_count ; i++ ) {
+ drm_buf_t *buf = dma->buflist[i];
+ drm_r128_buf_priv_t *buf_priv = buf->dev_private;
+ buf_priv->age = 0;
+ }
+}
+
+
+/* ================================================================
+ * CCE packet submission
+ */
+
+int r128_wait_ring( drm_r128_private_t *dev_priv, int n )
+{
+ drm_r128_ring_buffer_t *ring = &dev_priv->ring;
+ int i;
+
+ for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
+ ring->space = *ring->head - ring->tail;
+ if ( ring->space <= 0 )
+ ring->space += ring->size;
+
+ if ( ring->space >= n )
+ return 0;
+
+ udelay( 1 );
+ }
+
+ return -EBUSY;
+}
+
+void r128_update_ring_snapshot( drm_r128_private_t *dev_priv )
+{
+ drm_r128_ring_buffer_t *ring = &dev_priv->ring;
+
+ ring->space = *ring->head - ring->tail;
+#if R128_PERFORMANCE_BOXES
+ if ( ring->space == 0 )
+ atomic_inc( &dev_priv->idle_count );
+#endif
+ if ( ring->space <= 0 )
+ ring->space += ring->size;
+}
+
+static int r128_verify_command( drm_r128_private_t *dev_priv,
+ u32 cmd, int *size )
+{
+ int writing = 1;
+
+ *size = 0;
+
+ switch ( cmd & R128_CCE_PACKET_MASK ) {
+ case R128_CCE_PACKET0:
+ if ( (cmd & R128_CCE_PACKET0_REG_MASK) <= (0x1004 >> 2) &&
+ (cmd & R128_CCE_PACKET0_REG_MASK) !=
+ (R128_PM4_VC_FPU_SETUP >> 2) ) {
+ writing = 0;
+ }
+ *size = ((cmd & R128_CCE_PACKET_COUNT_MASK) >> 16) + 2;
+ break;
+
+ case R128_CCE_PACKET1:
+ if ( (cmd & R128_CCE_PACKET1_REG0_MASK) <= (0x1004 >> 2) &&
+ (cmd & R128_CCE_PACKET1_REG0_MASK) !=
+ (R128_PM4_VC_FPU_SETUP >> 2) ) {
+ writing = 0;
+ }
+ if ( (cmd & R128_CCE_PACKET1_REG1_MASK) <= (0x1004 << 9) &&
+ (cmd & R128_CCE_PACKET1_REG1_MASK) !=
+ (R128_PM4_VC_FPU_SETUP << 9) ) {
+ writing = 0;
+ }
+ *size = 3;
+ break;
+
+ case R128_CCE_PACKET2:
+ break;
+
+ case R128_CCE_PACKET3:
+ *size = ((cmd & R128_CCE_PACKET_COUNT_MASK) >> 16) + 2;
+ break;
+
+ }
+
+ return writing;
+}
+
+static int r128_submit_packet_ring_secure( drm_r128_private_t *dev_priv,
+ u32 *commands, int *count )
+{
+#if 0
+ int write = dev_priv->sarea_priv->ring_write;
+ int *write_ptr = dev_priv->ring_start + write;
+ int c = *count;
+ u32 tmp = 0;
+ int psize = 0;
+ int writing = 1;
+ int timeout;
+
+ while ( c > 0 ) {
+ tmp = *commands++;
+ if ( !psize ) {
+ writing = r128_verify_command( dev_priv, tmp, &psize );
+ }
+ psize--;
+
+ if ( writing ) {
+ write++;
+ *write_ptr++ = tmp;
+ }
+ if ( write >= dev_priv->ring_entries ) {
+ write = 0;
+ write_ptr = dev_priv->ring_start;
+ }
+ timeout = 0;
+ while ( write == *dev_priv->ring_read_ptr ) {
+ R128_READ( R128_PM4_BUFFER_DL_RPTR );
+ if ( timeout++ >= dev_priv->usec_timeout )
+ return -EBUSY;
+ udelay( 1 );
+ }
+ c--;
+ }
+
+ if ( write < 32 ) {
+ memcpy( dev_priv->ring_end,
+ dev_priv->ring_start,
+ write * sizeof(u32) );
+ }
+
+ /* Make sure WC cache has been flushed */
+ r128_flush_write_combine();
+
+ dev_priv->sarea_priv->ring_write = write;
+ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, write );
+
+ *count = 0;
+#endif
+ return 0;
+}
+
+static int r128_submit_packet_ring_insecure( drm_r128_private_t *dev_priv,
+ u32 *commands, int *count )
+{
+#if 0
+ int write = dev_priv->sarea_priv->ring_write;
+ int *write_ptr = dev_priv->ring_start + write;
+ int c = *count;
+ int timeout;
+
+ while ( c > 0 ) {
+ write++;
+ *write_ptr++ = *commands++;
+ if ( write >= dev_priv->ring_entries ) {
+ write = 0;
+ write_ptr = dev_priv->ring_start;
+ }
+
+ timeout = 0;
+ while ( write == *dev_priv->ring_read_ptr ) {
+ R128_READ( R128_PM4_BUFFER_DL_RPTR );
+ if ( timeout++ >= dev_priv->usec_timeout )
+ return -EBUSY;
+ udelay( 1 );
+ }
+ c--;
+ }
+
+ if ( write < 32 ) {
+ memcpy( dev_priv->ring_end,
+ dev_priv->ring_start,
+ write * sizeof(u32) );
+ }
+
+ /* Make sure WC cache has been flushed */
+ r128_flush_write_combine();
+
+ dev_priv->sarea_priv->ring_write = write;
+ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, write );
+
+ *count = 0;
+#endif
+ return 0;
+}
+
+/* Internal packet submission routine. This uses the insecure versions
+ * of the packet submission functions, and thus should only be used for
+ * packets generated inside the kernel module.
+ */
+int r128_do_submit_packet( drm_r128_private_t *dev_priv,
+ u32 *buffer, int count )
+{
+ int c = count;
+ int ret = 0;
+
+#if 0
+ int left = 0;
+
+ if ( c >= dev_priv->ring_entries ) {
+ c = dev_priv->ring_entries - 1;
+ left = count - c;
+ }
+
+ /* Since this is only used by the kernel we can use the
+ * insecure ring buffer submit packet routine.
+ */
+ ret = r128_submit_packet_ring_insecure( dev_priv, buffer, &c );
+ c += left;
+#endif
+
+ return ( ret < 0 ) ? ret : c;
+}
+
+/* External packet submission routine. This uses the secure versions
+ * by default, and can thus submit packets received from user space.
+ */
+int r128_cce_packet( 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_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_packet_t packet;
+ u32 *buffer;
+ int c;
+ int size;
+ int ret = 0;
+
+#if 0
+ /* GH: Disable packet submission for now.
+ */
+ return -EINVAL;
+#endif
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "r128_submit_packet called without lock held\n" );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &packet, (drm_r128_packet_t *)arg,
+ sizeof(packet) ) )
+ return -EFAULT;
+
+#if 0
+ c = packet.count;
+ size = c * sizeof(*buffer);
+
+ {
+ int left = 0;
+
+ if ( c >= dev_priv->ring_entries ) {
+ c = dev_priv->ring_entries - 1;
+ size = c * sizeof(*buffer);
+ left = packet.count - c;
+ }
+
+ buffer = kmalloc( size, 0 );
+ if ( buffer == NULL)
+ return -ENOMEM;
+ if ( copy_from_user( buffer, packet.buffer, size ) )
+ return -EFAULT;
+
+ if ( dev_priv->cce_secure ) {
+ ret = r128_submit_packet_ring_secure( dev_priv,
+ buffer, &c );
+ } else {
+ ret = r128_submit_packet_ring_insecure( dev_priv,
+ buffer, &c );
+ }
+ c += left;
+ }
+
+ kfree( buffer );
+#else
+ c = 0;
+#endif
+
+ packet.count = c;
+ if ( copy_to_user( (drm_r128_packet_t *)arg, &packet,
+ sizeof(packet) ) )
+ return -EFAULT;
+
+ if ( ret ) {
+ return ret;
+ } else if ( c > 0 ) {
+ return -EAGAIN;
+ }
+ return 0;
+}
+
+#if 0
+static int r128_send_vertbufs( drm_device_t *dev, drm_r128_vertex_t *v )
+{
+ drm_device_dma_t *dma = dev->dma;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_buf_t *buf;
+ int i, ret;
+ RING_LOCALS;
+
+ /* Make sure we have valid data */
+ for (i = 0; i < v->send_count; i++) {
+ int idx = v->send_indices[i];
+
+ if (idx < 0 || idx >= dma->buf_count) {
+ DRM_ERROR("Index %d (of %d max)\n",
+ idx, dma->buf_count - 1);
+ return -EINVAL;
+ }
+ buf = dma->buflist[idx];
+ if (buf->pid != current->pid) {
+ DRM_ERROR("Process %d using buffer owned by %d\n",
+ current->pid, buf->pid);
+ return -EINVAL;
+ }
+ if (buf->pending) {
+ DRM_ERROR("Sending pending buffer:"
+ " buffer %d, offset %d\n",
+ v->send_indices[i], i);
+ return -EINVAL;
+ }
+ }
+
+ /* Wait for idle, if we've wrapped to make sure that all pending
+ buffers have been processed */
+ if (dev_priv->submit_age == R128_MAX_VBUF_AGE) {
+ if ((ret = r128_do_cce_idle(dev)) < 0) return ret;
+ dev_priv->submit_age = 0;
+ r128_freelist_reset(dev);
+ }
+
+ /* Make sure WC cache has been flushed (if in PIO mode) */
+ if (!dev_priv->cce_is_bm_mode) r128_flush_write_combine();
+
+ /* FIXME: Add support for sending vertex buffer to the CCE here
+ instead of in client code. The v->prim holds the primitive
+ type that should be drawn. Loop over the list buffers in
+ send_indices[] and submit a packet for each VB.
+
+ This will require us to loop over the clip rects here as
+ well, which implies that we extend the kernel driver to allow
+ cliprects to be stored here. Note that the cliprects could
+ possibly come from the X server instead of the client, but
+ this will require additional changes to the DRI to allow for
+ this optimization. */
+
+ /* Submit a CCE packet that writes submit_age to R128_VB_AGE_REG */
+#if 0
+ cce_buffer[0] = R128CCE0(R128_CCE_PACKET0, R128_VB_AGE_REG, 0);
+ cce_buffer[1] = dev_priv->submit_age;
+
+ if ((ret = r128_do_submit_packet(dev, cce_buffer, 2)) < 0) {
+ /* Until we add support for sending VBs to the CCE in
+ this routine, we can recover from this error. After
+ we add that support, we won't be able to easily
+ recover, so we will probably have to implement
+ another mechanism for handling timeouts from packets
+ submitted directly by the kernel. */
+ return ret;
+ }
+#else
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_VB_AGE_REG, 0 ) );
+ OUT_RING( dev_priv->submit_age );
+
+ ADVANCE_RING();
+#endif
+ /* Now that the submit packet request has succeeded, we can mark
+ the buffers as pending */
+ for (i = 0; i < v->send_count; i++) {
+ buf = dma->buflist[v->send_indices[i]];
+ buf->pending = 1;
+
+ buf_priv = buf->dev_private;
+ buf_priv->age = dev_priv->submit_age;
+ }
+
+ dev_priv->submit_age++;
+
+ return 0;
+}
+#endif
+
+
+
+
+static int r128_cce_get_buffers( drm_device_t *dev, drm_dma_t *d )
+{
+ int i;
+ drm_buf_t *buf;
+
+ for ( i = d->granted_count ; i < d->request_count ; i++ ) {
+ buf = r128_freelist_get( dev );
+ if ( !buf ) return -EAGAIN;
+
+ buf->pid = current->pid;
+
+ if ( copy_to_user( &d->request_indices[i], &buf->idx,
+ sizeof(buf->idx) ) )
+ return -EFAULT;
+ if ( copy_to_user( &d->request_sizes[i], &buf->total,
+ sizeof(buf->total) ) )
+ return -EFAULT;
+
+ d->granted_count++;
+ }
+ return 0;
+}
+
+int r128_cce_buffers( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg )
+{
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->dev;
+ drm_device_dma_t *dma = dev->dma;
+ int ret = 0;
+ drm_dma_t d;
+
+ if ( copy_from_user( &d, (drm_dma_t *) arg, sizeof(d) ) )
+ return -EFAULT;
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ /* Please don't send us buffers.
+ */
+ if ( d.send_count != 0 ) {
+ DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
+ current->pid, d.send_count );
+ return -EINVAL;
+ }
+
+ /* We'll send you buffers.
+ */
+ if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
+ DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
+ current->pid, d.request_count, dma->buf_count );
+ return -EINVAL;
+ }
+
+ d.granted_count = 0;
+
+ if ( d.request_count ) {
+ ret = r128_cce_get_buffers( dev, &d );
+ }
+
+ if ( copy_to_user( (drm_dma_t *) arg, &d, sizeof(d) ) )
+ return -EFAULT;
+
+ return ret;
+}
diff --git a/linux/r128_context.c b/linux/r128_context.c
index 9cadadba..0741e774 100644
--- a/linux/r128_context.c
+++ b/linux/r128_context.c
@@ -11,11 +11,11 @@
* 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
@@ -23,7 +23,7 @@
* 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.
- *
+ *
* Author: Rickard E. (Rik) Faith <faith@valinux.com>
*
*/
@@ -53,21 +53,21 @@ int r128_context_switch(drm_device_t *dev, int old, int new)
#if DRM_DMA_HISTOGRAM
dev->ctx_start = get_cycles();
#endif
-
+
DRM_DEBUG("Context switch from %d to %d\n", old, new);
if (new == dev->last_context) {
clear_bit(0, &dev->context_flag);
return 0;
}
-
+
if (drm_flags & DRM_FLAG_NOCTX) {
r128_context_switch_complete(dev, new);
} else {
sprintf(buf, "C %d %d\n", old, new);
drm_write_string(dev, buf);
}
-
+
return 0;
}
@@ -75,7 +75,7 @@ int r128_context_switch_complete(drm_device_t *dev, int new)
{
dev->last_context = new; /* PRE/POST: This is the _only_ writer. */
dev->last_switch = jiffies;
-
+
if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("Lock isn't held after context switch\n");
}
@@ -86,11 +86,11 @@ int r128_context_switch_complete(drm_device_t *dev, int new)
#if DRM_DMA_HISTOGRAM
atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles()
- dev->ctx_start)]);
-
+
#endif
clear_bit(0, &dev->context_flag);
wake_up(&dev->context_wait);
-
+
return 0;
}
diff --git a/linux/r128_dma.c b/linux/r128_dma.c
deleted file mode 100644
index bcba6782..00000000
--- a/linux/r128_dma.c
+++ /dev/null
@@ -1,909 +0,0 @@
-/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
- * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com
- *
- * Copyright 2000 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: Kevin E. Martin <martin@valinux.com>
- *
- */
-
-#define __NO_VERSION__
-#include "drmP.h"
-#include "r128_drv.h"
-
-#include <linux/interrupt.h> /* For task queue support */
-#include <linux/delay.h>
-
-
-
-#define DO_REMAP(_m) (_m)->handle = drm_ioremap((_m)->offset, (_m)->size)
-
-#define DO_REMAPFREE(_m) \
- do { \
- if ((_m)->handle && (_m)->size) \
- drm_ioremapfree((_m)->handle, (_m)->size); \
- } while (0)
-
-#define DO_FIND_MAP(_m, _o) \
- do { \
- int _i; \
- for (_i = 0; _i < dev->map_count; _i++) { \
- if (dev->maplist[_i]->offset == _o) { \
- _m = dev->maplist[_i]; \
- break; \
- } \
- } \
- } while (0)
-
-
-#define R128_MAX_VBUF_AGE 0x10000000
-#define R128_VB_AGE_REG R128_GUI_SCRATCH_REG0
-
-int R128_READ_PLL(drm_device_t *dev, int addr)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
-
- R128_WRITE8(R128_CLOCK_CNTL_INDEX, addr & 0x1f);
- return R128_READ(R128_CLOCK_CNTL_DATA);
-}
-
-#define r128_flush_write_combine() mb()
-
-
-static void r128_status(drm_device_t *dev)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
-
- printk("GUI_STAT = 0x%08x\n",
- (unsigned int)R128_READ(R128_GUI_STAT));
- printk("PM4_STAT = 0x%08x\n",
- (unsigned int)R128_READ(R128_PM4_STAT));
- printk("PM4_BUFFER_DL_WPTR = 0x%08x\n",
- (unsigned int)R128_READ(R128_PM4_BUFFER_DL_WPTR));
- printk("PM4_BUFFER_DL_RPTR = 0x%08x\n",
- (unsigned int)R128_READ(R128_PM4_BUFFER_DL_RPTR));
-}
-
-static int r128_do_cleanup_cce(drm_device_t *dev)
-{
- if (dev->dev_private) {
- drm_r128_private_t *dev_priv = dev->dev_private;
-
- if (!dev_priv->is_pci) {
- DO_REMAPFREE(dev_priv->agp_ring);
- DO_REMAPFREE(dev_priv->agp_read_ptr);
- DO_REMAPFREE(dev_priv->agp_vertbufs);
- DO_REMAPFREE(dev_priv->agp_indbufs);
- DO_REMAPFREE(dev_priv->agp_textures);
- }
-
- drm_free(dev->dev_private, sizeof(drm_r128_private_t),
- DRM_MEM_DRIVER);
- dev->dev_private = NULL;
- }
-
- return 0;
-}
-
-static int r128_do_init_cce(drm_device_t *dev, drm_r128_init_t *init)
-{
- drm_r128_private_t *dev_priv;
- int i;
-
- dev_priv = drm_alloc(sizeof(drm_r128_private_t), DRM_MEM_DRIVER);
- if (dev_priv == NULL) return -ENOMEM;
- dev->dev_private = (void *)dev_priv;
-
- memset(dev_priv, 0, sizeof(drm_r128_private_t));
-
- dev_priv->is_pci = init->is_pci;
-
- dev_priv->usec_timeout = init->usec_timeout;
- if (dev_priv->usec_timeout < 1 ||
- dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT) {
- drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
- dev->dev_private = NULL;
- return -EINVAL;
- }
-
- dev_priv->cce_mode = init->cce_mode;
- dev_priv->cce_fifo_size = init->cce_fifo_size;
- dev_priv->cce_is_bm_mode =
- ((init->cce_mode == R128_PM4_192BM) ||
- (init->cce_mode == R128_PM4_128BM_64INDBM) ||
- (init->cce_mode == R128_PM4_64BM_128INDBM) ||
- (init->cce_mode == R128_PM4_64BM_64VCBM_64INDBM));
- dev_priv->cce_secure = init->cce_secure;
-
- if (dev_priv->cce_is_bm_mode && dev_priv->is_pci) {
- drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
- dev->dev_private = NULL;
- return -EINVAL;
- }
-
- for (i = 0; i < dev->map_count; i++) {
- if (dev->maplist[i]->type == _DRM_SHM) {
- dev_priv->sarea = dev->maplist[i];
- break;
- }
- }
-
- DO_FIND_MAP(dev_priv->fb, init->fb_offset);
- if (!dev_priv->is_pci) {
- DO_FIND_MAP(dev_priv->agp_ring, init->agp_ring_offset);
- DO_FIND_MAP(dev_priv->agp_read_ptr, init->agp_read_ptr_offset);
- DO_FIND_MAP(dev_priv->agp_vertbufs, init->agp_vertbufs_offset);
- DO_FIND_MAP(dev_priv->agp_indbufs, init->agp_indbufs_offset);
- DO_FIND_MAP(dev_priv->agp_textures, init->agp_textures_offset);
- }
- DO_FIND_MAP(dev_priv->mmio, init->mmio_offset);
-
- dev_priv->sarea_priv =
- (drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle +
- init->sarea_priv_offset);
-
- if (!dev_priv->is_pci) {
- DO_REMAP(dev_priv->agp_ring);
- DO_REMAP(dev_priv->agp_read_ptr);
- DO_REMAP(dev_priv->agp_vertbufs);
-#if 0
- DO_REMAP(dev_priv->agp_indirectbufs);
- DO_REMAP(dev_priv->agp_textures);
-#endif
-
- dev_priv->ring_size = init->ring_size;
- dev_priv->ring_sizel2qw = drm_order(init->ring_size/8);
- dev_priv->ring_entries = init->ring_size/sizeof(u32);
- dev_priv->ring_read_ptr = ((__volatile__ u32 *)
- dev_priv->agp_read_ptr->handle);
- dev_priv->ring_start = (u32 *)dev_priv->agp_ring->handle;
- dev_priv->ring_end = ((u32 *)dev_priv->agp_ring->handle
- + dev_priv->ring_entries);
- }
-
- dev_priv->submit_age = 0;
- R128_WRITE(R128_VB_AGE_REG, dev_priv->submit_age);
-
- return 0;
-}
-
-int r128_init_cce(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_r128_init_t init;
-
- if (copy_from_user(&init, (drm_r128_init_t *)arg, sizeof(init)))
- return -EFAULT;
-
- switch (init.func) {
- case R128_INIT_CCE:
- return r128_do_init_cce(dev, &init);
- case R128_CLEANUP_CCE:
- return r128_do_cleanup_cce(dev);
- }
-
- return -EINVAL;
-}
-
-static void r128_mark_vertbufs_done(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- int i;
-
- for (i = 0; i < dma->buf_count; i++) {
- drm_buf_t *buf = dma->buflist[i];
- drm_r128_buf_priv_t *buf_priv = buf->dev_private;
- buf_priv->age = 0;
- }
-}
-
-static int r128_do_pixcache_flush(drm_device_t *dev)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- u32 tmp;
- int i;
-
- tmp = R128_READ(R128_PC_NGUI_CTLSTAT) | R128_PC_FLUSH_ALL;
- R128_WRITE(R128_PC_NGUI_CTLSTAT, tmp);
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (!(R128_READ(R128_PC_NGUI_CTLSTAT) & R128_PC_BUSY))
- return 0;
- udelay(1);
- }
-
- return -EBUSY;
-}
-
-static int r128_do_wait_for_fifo(drm_device_t *dev, int entries)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int i;
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- int slots = R128_READ(R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK;
- if (slots >= entries) return 0;
- udelay(1);
- }
- return -EBUSY;
-}
-
-static int r128_do_wait_for_idle(drm_device_t *dev)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int i, ret;
-
- if (!(ret = r128_do_wait_for_fifo(dev, 64))) return ret;
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (!(R128_READ(R128_GUI_STAT) & R128_GUI_ACTIVE)) {
- (void)r128_do_pixcache_flush(dev);
- return 0;
- }
- udelay(1);
- }
- return -EBUSY;
-}
-
-int r128_do_engine_reset(drm_device_t *dev)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- u32 clock_cntl_index, mclk_cntl, gen_reset_cntl;
-
- (void)r128_do_pixcache_flush(dev);
-
- clock_cntl_index = R128_READ(R128_CLOCK_CNTL_INDEX);
- mclk_cntl = R128_READ_PLL(dev, R128_MCLK_CNTL);
-
- R128_WRITE_PLL(R128_MCLK_CNTL,
- mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP);
-
- gen_reset_cntl = R128_READ(R128_GEN_RESET_CNTL);
-
- R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl | R128_SOFT_RESET_GUI);
- (void)R128_READ(R128_GEN_RESET_CNTL);
- R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl & ~R128_SOFT_RESET_GUI);
- (void)R128_READ(R128_GEN_RESET_CNTL);
-
- R128_WRITE_PLL(R128_MCLK_CNTL, mclk_cntl);
- R128_WRITE(R128_CLOCK_CNTL_INDEX, clock_cntl_index);
- R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl);
-
- /* For CCE ring buffer only */
- if (dev_priv->cce_is_bm_mode) {
- R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0);
- R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0);
- *dev_priv->ring_read_ptr = 0;
- dev_priv->sarea_priv->ring_write = 0;
- }
-
- /* Reset the CCE mode */
- (void)r128_do_wait_for_idle(dev);
- R128_WRITE(R128_PM4_BUFFER_CNTL,
- dev_priv->cce_mode | dev_priv->ring_sizel2qw);
- (void)R128_READ(R128_PM4_BUFFER_ADDR); /* as per the sample code */
- R128_WRITE(R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN);
-
- r128_mark_vertbufs_done(dev);
- return 0;
-}
-
-int r128_eng_reset(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
-
- if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||
- dev->lock.pid != current->pid) {
- DRM_ERROR("r128_eng_reset called without holding the lock\n");
- return -EINVAL;
- }
-
- return r128_do_engine_reset(dev);
-}
-
-static int r128_do_engine_flush(drm_device_t *dev)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- u32 tmp;
-
- tmp = R128_READ(R128_PM4_BUFFER_DL_WPTR);
- R128_WRITE(R128_PM4_BUFFER_DL_WPTR, tmp | R128_PM4_BUFFER_DL_DONE);
-
- return 0;
-}
-
-int r128_eng_flush(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
-
- if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||
- dev->lock.pid != current->pid) {
- DRM_ERROR("r128_eng_flush called without holding the lock\n");
- return -EINVAL;
- }
-
- return r128_do_engine_flush(dev);
-}
-
-static int r128_do_cce_wait_for_fifo(drm_device_t *dev, int entries)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int i;
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- int slots = R128_READ(R128_PM4_STAT) & R128_PM4_FIFOCNT_MASK;
- if (slots >= entries) return 0;
- udelay(1);
- }
- return -EBUSY;
-}
-
-int r128_do_cce_wait_for_idle(drm_device_t *dev)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int i;
-
- if (dev_priv->cce_is_bm_mode) {
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- if (*dev_priv->ring_read_ptr == dev_priv->sarea_priv->ring_write) {
- int pm4stat = R128_READ(R128_PM4_STAT);
- if ((pm4stat & R128_PM4_FIFOCNT_MASK) >= dev_priv->cce_fifo_size &&
- !(pm4stat & (R128_PM4_BUSY | R128_PM4_GUI_ACTIVE))) {
- return r128_do_pixcache_flush(dev);
- }
- }
- udelay(1);
- }
- return -EBUSY;
- } else {
- int ret = r128_do_cce_wait_for_fifo(dev, dev_priv->cce_fifo_size);
- if (ret < 0) return ret;
-
- for (i = 0; i < dev_priv->usec_timeout; i++) {
- int pm4stat = R128_READ(R128_PM4_STAT);
- if (!(pm4stat & (R128_PM4_BUSY | R128_PM4_GUI_ACTIVE))) {
- return r128_do_pixcache_flush(dev);
- }
- udelay(1);
- }
- return -EBUSY;
- }
-}
-
-int r128_cce_idle(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
-
- if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||
- dev->lock.pid != current->pid) {
- DRM_ERROR("r128_wait_idle called without holding the lock\n");
- return -EINVAL;
- }
-
- return r128_do_cce_wait_for_idle(dev);
-}
-
-static int r128_submit_packets_ring_secure(drm_device_t *dev,
- u32 *commands, int *count)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int write = dev_priv->sarea_priv->ring_write;
- int *write_ptr = dev_priv->ring_start + write;
- int c = *count;
- u32 tmp = 0;
- int psize = 0;
- int writing = 1;
- int timeout;
-
- while (c > 0) {
- tmp = *commands++;
- if (!psize) {
- writing = 1;
-
- if ((tmp & R128_CCE_PACKET_MASK) == R128_CCE_PACKET0) {
- if ((tmp & R128_CCE_PACKET0_REG_MASK) <= (0x1004 >> 2)) {
- if ((tmp & R128_CCE_PACKET0_REG_MASK) !=
- (R128_PM4_VC_FPU_SETUP >> 2)) {
- writing = 0;
- }
- }
- psize = ((tmp & R128_CCE_PACKET_COUNT_MASK) >> 16) + 2;
- } else if ((tmp & R128_CCE_PACKET_MASK) == R128_CCE_PACKET1) {
- if ((tmp & R128_CCE_PACKET1_REG0_MASK) <= (0x1004 >> 2)) {
- if ((tmp & R128_CCE_PACKET1_REG0_MASK) !=
- (R128_PM4_VC_FPU_SETUP >> 2)) {
- writing = 0;
- }
- } else if ((tmp & R128_CCE_PACKET1_REG1_MASK) <=
- (0x1004 << 9)) {
- if ((tmp & R128_CCE_PACKET1_REG1_MASK) !=
- (R128_PM4_VC_FPU_SETUP << 9)) {
- writing = 0;
- }
- }
- psize = 3;
- } else {
- psize = ((tmp & R128_CCE_PACKET_COUNT_MASK) >> 16) + 2;
- }
- }
- psize--;
-
- if (writing) {
- write++;
- *write_ptr++ = tmp;
- }
- if (write >= dev_priv->ring_entries) {
- write = 0;
- write_ptr = dev_priv->ring_start;
- }
- timeout = 0;
- while (write == *dev_priv->ring_read_ptr) {
- (void)R128_READ(R128_PM4_BUFFER_DL_RPTR);
- if (timeout++ >= dev_priv->usec_timeout)
- return -EBUSY;
- udelay(1);
- }
- c--;
- }
-
- if (write < 32)
- memcpy(dev_priv->ring_end,
- dev_priv->ring_start,
- write * sizeof(u32));
-
- /* Make sure WC cache has been flushed */
- r128_flush_write_combine();
-
- dev_priv->sarea_priv->ring_write = write;
- R128_WRITE(R128_PM4_BUFFER_DL_WPTR, write);
-
- *count = 0;
-
- return 0;
-}
-
-static int r128_submit_packets_pio_secure(drm_device_t *dev,
- u32 *commands, int *count)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- u32 tmp = 0;
- int psize = 0;
- int writing = 1;
- int addr = R128_PM4_FIFO_DATA_EVEN;
- int ret;
-
- while (*count > 0) {
- tmp = *commands++;
- if (!psize) {
- writing = 1;
-
- if ((tmp & R128_CCE_PACKET_MASK) == R128_CCE_PACKET0) {
- if ((tmp & R128_CCE_PACKET0_REG_MASK) <= (0x1004 >> 2)) {
- if ((tmp & R128_CCE_PACKET0_REG_MASK) !=
- (R128_PM4_VC_FPU_SETUP >> 2)) {
- writing = 0;
- }
- }
- psize = ((tmp & R128_CCE_PACKET_COUNT_MASK) >> 16) + 2;
- } else if ((tmp & R128_CCE_PACKET_MASK) == R128_CCE_PACKET1) {
- if ((tmp & R128_CCE_PACKET1_REG0_MASK) <= (0x1004 >> 2)) {
- if ((tmp & R128_CCE_PACKET1_REG0_MASK) !=
- (R128_PM4_VC_FPU_SETUP >> 2)) {
- writing = 0;
- }
- } else if ((tmp & R128_CCE_PACKET1_REG1_MASK) <=
- (0x1004 << 9)) {
- if ((tmp & R128_CCE_PACKET1_REG1_MASK) !=
- (R128_PM4_VC_FPU_SETUP << 9)) {
- writing = 0;
- }
- }
- psize = 3;
- } else {
- psize = ((tmp & R128_CCE_PACKET_COUNT_MASK) >> 16) + 2;
- }
- }
- psize--;
-
- if (writing) {
- if ((ret = r128_do_cce_wait_for_fifo(dev, 1)) < 0)
- return ret;
- R128_WRITE(addr, tmp);
- addr ^= 0x0004;
- }
-
- *count -= 1;
- }
-
- if (addr == R128_PM4_FIFO_DATA_ODD) {
- if ((ret = r128_do_cce_wait_for_fifo(dev, 1)) < 0) return ret;
- R128_WRITE(addr, R128_CCE_PACKET2);
- }
-
- return 0;
-}
-
-static int r128_submit_packets_ring(drm_device_t *dev,
- u32 *commands, int *count)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int write = dev_priv->sarea_priv->ring_write;
- int *write_ptr = dev_priv->ring_start + write;
- int c = *count;
- int timeout;
-
- while (c > 0) {
- write++;
- *write_ptr++ = *commands++;
- if (write >= dev_priv->ring_entries) {
- write = 0;
- write_ptr = dev_priv->ring_start;
- }
- timeout = 0;
- while (write == *dev_priv->ring_read_ptr) {
- (void)R128_READ(R128_PM4_BUFFER_DL_RPTR);
- if (timeout++ >= dev_priv->usec_timeout)
- return -EBUSY;
- udelay(1);
- }
- c--;
- }
-
- if (write < 32)
- memcpy(dev_priv->ring_end,
- dev_priv->ring_start,
- write * sizeof(u32));
-
- /* Make sure WC cache has been flushed */
- r128_flush_write_combine();
-
- dev_priv->sarea_priv->ring_write = write;
- R128_WRITE(R128_PM4_BUFFER_DL_WPTR, write);
-
- *count = 0;
-
- return 0;
-}
-
-static int r128_submit_packets_pio(drm_device_t *dev,
- u32 *commands, int *count)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int ret;
-
- while (*count > 1) {
- if ((ret = r128_do_cce_wait_for_fifo(dev, 2)) < 0) return ret;
- R128_WRITE(R128_PM4_FIFO_DATA_EVEN, *commands++);
- R128_WRITE(R128_PM4_FIFO_DATA_ODD, *commands++);
- *count -= 2;
- }
-
- if (*count) {
- if ((ret = r128_do_cce_wait_for_fifo(dev, 2)) < 0) return ret;
- R128_WRITE(R128_PM4_FIFO_DATA_EVEN, *commands++);
- R128_WRITE(R128_PM4_FIFO_DATA_ODD, R128_CCE_PACKET2);
- *count = 0;
- }
-
- return 0;
-}
-
-static int r128_do_submit_packets(drm_device_t *dev, u32 *buffer, int count)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
- int c = count;
- int ret;
-
- if (dev_priv->cce_is_bm_mode) {
- int left = 0;
-
- if (c >= dev_priv->ring_entries) {
- c = dev_priv->ring_entries-1;
- left = count - c;
- }
-
- /* Since this is only used by the kernel we can use the
- insecure ring buffer submit packet routine */
- ret = r128_submit_packets_ring(dev, buffer, &c);
-
- c += left;
- } else {
- /* Since this is only used by the kernel we can use the
- insecure PIO submit packet routine */
- ret = r128_submit_packets_pio(dev, buffer, &c);
- }
-
- if (ret < 0) return ret;
- else return c;
-}
-
-int r128_submit_pkt(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_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_packet_t packet;
- u32 *buffer;
- int c;
- int size;
- int ret = 0;
-
- if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||
- dev->lock.pid != current->pid) {
- DRM_ERROR("r128_submit_pkt called without holding the lock\n");
- return -EINVAL;
- }
-
- if (copy_from_user(&packet, (drm_r128_packet_t *)arg, sizeof(packet)))
- return -EFAULT;
-
- c = packet.count;
- size = c * sizeof(*buffer);
-
- if (dev_priv->cce_is_bm_mode) {
- int left = 0;
-
- if (c >= dev_priv->ring_entries) {
- c = dev_priv->ring_entries-1;
- size = c * sizeof(*buffer);
- left = packet.count - c;
- }
-
- if ((buffer = kmalloc(size, 0)) == NULL) return -ENOMEM;
- if (copy_from_user(buffer, packet.buffer, size))
- return -EFAULT;
-
- if (dev_priv->cce_secure)
- ret = r128_submit_packets_ring_secure(dev, buffer, &c);
- else
- ret = r128_submit_packets_ring(dev, buffer, &c);
-
- c += left;
- } else {
- if ((buffer = kmalloc(size, 0)) == NULL) return -ENOMEM;
- if (copy_from_user(buffer, packet.buffer, size))
- return -EFAULT;
-
- if (dev_priv->cce_secure)
- ret = r128_submit_packets_pio_secure(dev, buffer, &c);
- else
- ret = r128_submit_packets_pio(dev, buffer, &c);
- }
-
- kfree(buffer);
-
- packet.count = c;
- if (copy_to_user((drm_r128_packet_t *)arg, &packet, sizeof(packet)))
- return -EFAULT;
-
- if (ret) return ret;
- else if (c > 0) return -EAGAIN;
-
- return 0;
-}
-
-static int r128_send_vertbufs(drm_device_t *dev, drm_r128_vertex_t *v)
-{
- drm_device_dma_t *dma = dev->dma;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_buf_priv_t *buf_priv;
- drm_buf_t *buf;
- int i, ret;
- u32 cce[2];
-
- /* Make sure we have valid data */
- for (i = 0; i < v->send_count; i++) {
- int idx = v->send_indices[i];
-
- if (idx < 0 || idx >= dma->buf_count) {
- DRM_ERROR("Index %d (of %d max)\n",
- idx, dma->buf_count - 1);
- return -EINVAL;
- }
- buf = dma->buflist[idx];
- if (buf->pid != current->pid) {
- DRM_ERROR("Process %d using buffer owned by %d\n",
- current->pid, buf->pid);
- return -EINVAL;
- }
- if (buf->pending) {
- DRM_ERROR("Sending pending buffer:"
- " buffer %d, offset %d\n",
- v->send_indices[i], i);
- return -EINVAL;
- }
- }
-
- /* Wait for idle, if we've wrapped to make sure that all pending
- buffers have been processed */
- if (dev_priv->submit_age == R128_MAX_VBUF_AGE) {
- if ((ret = r128_do_cce_wait_for_idle(dev)) < 0) return ret;
- dev_priv->submit_age = 0;
- r128_mark_vertbufs_done(dev);
- }
-
- /* Make sure WC cache has been flushed (if in PIO mode) */
- if (!dev_priv->cce_is_bm_mode) r128_flush_write_combine();
-
- /* FIXME: Add support for sending vertex buffer to the CCE here
- instead of in client code. The v->prim holds the primitive
- type that should be drawn. Loop over the list buffers in
- send_indices[] and submit a packet for each VB.
-
- This will require us to loop over the clip rects here as
- well, which implies that we extend the kernel driver to allow
- cliprects to be stored here. Note that the cliprects could
- possibly come from the X server instead of the client, but
- this will require additional changes to the DRI to allow for
- this optimization. */
-
- /* Submit a CCE packet that writes submit_age to R128_VB_AGE_REG */
- cce[0] = R128CCE0(R128_CCE_PACKET0, R128_VB_AGE_REG, 0);
- cce[1] = dev_priv->submit_age;
- if ((ret = r128_do_submit_packets(dev, cce, 2)) < 0) {
- /* Until we add support for sending VBs to the CCE in
- this routine, we can recover from this error. After
- we add that support, we won't be able to easily
- recover, so we will probably have to implement
- another mechanism for handling timeouts from packets
- submitted directly by the kernel. */
- return ret;
- }
-
- /* Now that the submit packet request has succeeded, we can mark
- the buffers as pending */
- for (i = 0; i < v->send_count; i++) {
- buf = dma->buflist[v->send_indices[i]];
- buf->pending = 1;
-
- buf_priv = buf->dev_private;
- buf_priv->age = dev_priv->submit_age;
- }
-
- dev_priv->submit_age++;
-
- return 0;
-}
-
-static drm_buf_t *r128_freelist_get(drm_device_t *dev)
-{
- drm_device_dma_t *dma = dev->dma;
- drm_r128_private_t *dev_priv = dev->dev_private;
- drm_r128_buf_priv_t *buf_priv;
- drm_buf_t *buf;
- int i, t;
-
- /* FIXME: Optimize -- use freelist code */
-
- for (i = 0; i < dma->buf_count; i++) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if (buf->pid == 0) return buf;
- }
-
- for (t = 0; t < dev_priv->usec_timeout; t++) {
- u32 done_age = R128_READ(R128_VB_AGE_REG);
-
- for (i = 0; i < dma->buf_count; i++) {
- buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- if (buf->pending && buf_priv->age <= done_age) {
- /* The buffer has been processed, so it
- can now be used */
- buf->pending = 0;
- return buf;
- }
- }
- udelay(1);
- }
-
- r128_status(dev);
- return NULL;
-}
-
-
-static int r128_get_vertbufs(drm_device_t *dev, drm_r128_vertex_t *v)
-{
- drm_buf_t *buf;
- int i;
-
- for (i = v->granted_count; i < v->request_count; i++) {
- buf = r128_freelist_get(dev);
- if (!buf) break;
- buf->pid = current->pid;
- if (copy_to_user(&v->request_indices[i],
- &buf->idx,
- sizeof(buf->idx)) ||
- copy_to_user(&v->request_sizes[i],
- &buf->total,
- sizeof(buf->total)))
- return -EFAULT;
- ++v->granted_count;
- }
- return 0;
-}
-
-int r128_vertex_buf(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_r128_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- int retcode = 0;
- drm_r128_vertex_t v;
-
- if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||
- dev->lock.pid != current->pid) {
- DRM_ERROR("r128_vertex_buf called without holding the lock\n");
- return -EINVAL;
- }
-
- if (!dev_priv || dev_priv->is_pci) {
- DRM_ERROR("r128_vertex_buf called with a PCI card\n");
- return -EINVAL;
- }
-
- if (copy_from_user(&v, (drm_r128_vertex_t *)arg, sizeof(v)))
- return -EFAULT;
- DRM_DEBUG("%d: %d send, %d req\n",
- current->pid, v.send_count, v.request_count);
-
- if (v.send_count < 0 || v.send_count > dma->buf_count) {
- DRM_ERROR("Process %d trying to send %d buffers (of %d max)\n",
- current->pid, v.send_count, dma->buf_count);
- return -EINVAL;
- }
- if (v.request_count < 0 || v.request_count > dma->buf_count) {
- DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
- current->pid, v.request_count, dma->buf_count);
- return -EINVAL;
- }
-
- if (v.send_count) {
- retcode = r128_send_vertbufs(dev, &v);
- }
-
- v.granted_count = 0;
-
- if (!retcode && v.request_count) {
- retcode = r128_get_vertbufs(dev, &v);
- }
-
- DRM_DEBUG("%d returning, granted = %d\n",
- current->pid, v.granted_count);
- if (copy_to_user((drm_r128_vertex_t *)arg, &v, sizeof(v)))
- return -EFAULT;
-
- return retcode;
-}
diff --git a/linux/r128_drm.h b/linux/r128_drm.h
index 8a4842cf..b81d2fca 100644
--- a/linux/r128_drm.h
+++ b/linux/r128_drm.h
@@ -11,11 +11,11 @@
* 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
@@ -24,7 +24,9 @@
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
- * Authors: Kevin E. Martin <martin@valinux.com>
+ * Authors:
+ * Kevin E. Martin <martin@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
*
*/
@@ -32,80 +34,241 @@
#define _R128_DRM_H_
/* WARNING: If you change any of these defines, make sure to change the
+ * defines in the X server file (r128_sarea.h)
+ */
+#ifndef __R128_SAREA_DEFINES__
+#define __R128_SAREA_DEFINES__
+
+/* What needs to be changed for the current vertex buffer?
+ */
+#define R128_UPLOAD_CONTEXT 0x001
+#define R128_UPLOAD_SETUP 0x002
+#define R128_UPLOAD_TEX0 0x004
+#define R128_UPLOAD_TEX1 0x008
+#define R128_UPLOAD_TEX0IMAGES 0x010
+#define R128_UPLOAD_TEX1IMAGES 0x020
+#define R128_UPLOAD_CORE 0x040
+#define R128_UPLOAD_MASKS 0x080
+#define R128_UPLOAD_WINDOW 0x100
+#define R128_UPLOAD_CLIPRECTS 0x200 /* handled client-side */
+#define R128_REQUIRE_QUIESCENCE 0x400
+#define R128_UPLOAD_ALL 0x7ff
+
+#define R128_FRONT 0x1
+#define R128_BACK 0x2
+#define R128_DEPTH 0x4
+
+/* Primitive types
+ */
+#define R128_POINTS 0x1
+#define R128_LINES 0x2
+#define R128_LINE_STRIP 0x3
+#define R128_TRIANGLES 0x4
+#define R128_TRIANGLE_FAN 0x5
+#define R128_TRIANGLE_STRIP 0x6
+
+/* Vertex/indirect buffer size
+ */
+#if 1
+#define R128_BUFFER_SIZE 16384
+#else
+#define R128_BUFFER_SIZE (128 * 1024)
+#endif
+
+/* Byte offsets for indirect buffer data
+ */
+#define R128_INDEX_PRIM_OFFSET 20
+#define R128_HOSTDATA_BLIT_OFFSET 32
+
+/* 2048x2048 @ 32bpp texture requires this many indirect buffers
+ */
+#define R128_MAX_BLIT_BUFFERS ((2048 * 2048 * 4) / R128_BUFFER_SIZE)
+
+/* Keep these small for testing.
+ */
+#define R128_NR_SAREA_CLIPRECTS 12
+
+/* There are 2 heaps (local/AGP). Each region within a heap is a
+ * minimum of 64k, and there are at most 64 of them per heap.
+ */
+#define R128_LOCAL_TEX_HEAP 0
+#define R128_AGP_TEX_HEAP 1
+#define R128_NR_TEX_HEAPS 2
+#define R128_NR_TEX_REGIONS 64
+#define R128_LOG_TEX_GRANULARITY 16
+
+#define R128_NR_CONTEXT_REGS 12
+#define R128_TEX_MAXLEVELS 11
+
+#endif /* __R128_SAREA_DEFINES__ */
+
+typedef struct {
+ /* Context state - can be written in one large chunk */
+ unsigned int dst_pitch_offset_c;
+ unsigned int dp_gui_master_cntl_c;
+ unsigned int sc_top_left_c;
+ unsigned int sc_bottom_right_c;
+ unsigned int z_offset_c;
+ unsigned int z_pitch_c;
+ unsigned int z_sten_cntl_c;
+ unsigned int tex_cntl_c;
+ unsigned int misc_3d_state_cntl_reg;
+ unsigned int texture_clr_cmp_clr_c;
+ unsigned int texture_clr_cmp_msk_c;
+ unsigned int fog_color_c;
+
+ /* Texture state */
+ unsigned int tex_size_pitch_c;
+ unsigned int constant_color_c;
+
+ /* Setup state */
+ unsigned int pm4_vc_fpu_setup;
+ unsigned int setup_cntl;
+
+ /* Mask state */
+ unsigned int dp_write_mask;
+ unsigned int sten_ref_mask_c;
+ unsigned int plane_3d_mask_c;
+
+ /* Window state */
+ unsigned int window_xy_offset;
+
+ /* Core state */
+ unsigned int scale_3d_cntl;
+} drm_r128_context_regs_t;
+
+/* Setup registers for each texture unit */
+typedef struct {
+ unsigned int tex_cntl;
+ unsigned int tex_combine_cntl;
+ unsigned int tex_size_pitch;
+ unsigned int tex_offset[R128_TEX_MAXLEVELS];
+ unsigned int tex_border_color;
+} drm_r128_texture_regs_t;
+
+
+typedef struct drm_tex_region {
+ unsigned char next, prev;
+ unsigned char in_use;
+ int age;
+} drm_tex_region_t;
+
+typedef struct drm_r128_sarea {
+ /* The channel for communication of state information to the kernel
+ * on firing a vertex buffer.
+ */
+ drm_r128_context_regs_t context_state;
+ drm_r128_texture_regs_t tex_state[R128_NR_TEX_HEAPS];
+ unsigned int dirty;
+ unsigned int vertsize;
+ unsigned int vc_format;
+
+ /* The current cliprects, or a subset thereof.
+ */
+ drm_clip_rect_t boxes[R128_NR_SAREA_CLIPRECTS];
+ unsigned int nbox;
+
+ /* Counters for client-side throttling of rendering clients.
+ */
+ unsigned int last_frame;
+ unsigned int last_dispatch;
+
+ drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];
+ int tex_age[R128_NR_TEX_HEAPS];
+ int ctx_owner;
+} drm_r128_sarea_t;
+
+
+/* WARNING: If you change any of these defines, make sure to change the
* defines in the Xserver file (xf86drmR128.h)
*/
typedef struct drm_r128_init {
- enum {
+ enum {
R128_INIT_CCE = 0x01,
R128_CLEANUP_CCE = 0x02
} func;
int sarea_priv_offset;
int is_pci;
int cce_mode;
- int cce_fifo_size;
int cce_secure;
int ring_size;
int usec_timeout;
- int fb_offset;
- int agp_ring_offset;
- int agp_read_ptr_offset;
- int agp_vertbufs_offset;
- int agp_indbufs_offset;
- int agp_textures_offset;
- int mmio_offset;
+ unsigned int fb_bpp;
+ unsigned int front_offset, front_pitch;
+ unsigned int back_offset, back_pitch;
+ unsigned int depth_bpp;
+ unsigned int depth_offset, depth_pitch;
+ unsigned int span_offset;
+
+ unsigned int fb_offset;
+ unsigned int mmio_offset;
+ unsigned int ring_offset;
+ unsigned int ring_rptr_offset;
+ unsigned int buffers_offset;
+ unsigned int agp_textures_offset;
} drm_r128_init_t;
-typedef struct drm_r128_packet {
- unsigned int *buffer;
- int count;
- int flags;
-} drm_r128_packet_t;
+typedef struct drm_r128_cce_stop {
+ int flush;
+ int idle;
+} drm_r128_cce_stop_t;
-typedef enum drm_r128_prim {
- _DRM_R128_PRIM_NONE = 0x0001,
- _DRM_R128_PRIM_POINT = 0x0002,
- _DRM_R128_PRIM_LINE = 0x0004,
- _DRM_R128_PRIM_POLY_LINE = 0x0008,
- _DRM_R128_PRIM_TRI_LIST = 0x0010,
- _DRM_R128_PRIM_TRI_FAN = 0x0020,
- _DRM_R128_PRIM_TRI_STRIP = 0x0040,
- _DRM_R128_PRIM_TRI_TYPE2 = 0x0080
-} drm_r128_prim_t;
+typedef struct drm_r128_clear {
+ unsigned int flags;
+ int x, y, w, h;
+ unsigned int clear_color;
+ unsigned int clear_depth;
+ unsigned int color_mask;
+ unsigned int depth_mask;
+} drm_r128_clear_t;
typedef struct drm_r128_vertex {
- /* Indices here refer to the offset into
- buflist in drm_buf_get_t. */
- int send_count; /* Number of buffers to send */
- int *send_indices; /* List of handles to buffers */
- int *send_sizes; /* Lengths of data to send */
- drm_r128_prim_t prim; /* Primitive type */
- int request_count; /* Number of buffers requested */
- int *request_indices; /* Buffer information */
- int *request_sizes;
- int granted_count; /* Number of buffers granted */
+ int prim;
+ int idx; /* Index of vertex buffer */
+ int count; /* Number of vertices in buffer */
+ int discard; /* Client finished with buffer? */
} drm_r128_vertex_t;
-/* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (r128_sarea.h)
- */
-#define R128_LOCAL_TEX_HEAP 0
-#define R128_AGP_TEX_HEAP 1
-#define R128_NR_TEX_HEAPS 2
-#define R128_NR_TEX_REGIONS 64
-#define R128_LOG_TEX_GRANULARITY 16
+typedef struct drm_r128_indices {
+ int prim;
+ int idx;
+ int start;
+ int end;
+ int discard; /* Client finished with buffer? */
+} drm_r128_indices_t;
-typedef struct drm_tex_region {
- unsigned char next, prev;
- unsigned char in_use;
- int age;
-} drm_tex_region_t;
+typedef struct drm_r128_blit {
+ int idx;
+ int pitch;
+ int offset;
+ int format;
+ unsigned short x, y;
+ unsigned short width, height;
+} drm_r128_blit_t;
-typedef struct drm_r128_sarea {
- drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];
- int tex_age[R128_NR_TEX_HEAPS];
- int ctx_owner;
- int ring_write;
-} drm_r128_sarea_t;
+typedef struct drm_r128_depth {
+ enum {
+ R128_WRITE_SPAN = 0x01,
+ R128_WRITE_PIXELS = 0x02,
+ R128_READ_SPAN = 0x03,
+ R128_READ_PIXELS = 0x04
+ } func;
+ int n;
+ int *x;
+ int *y;
+ unsigned int *buffer;
+ unsigned char *mask;
+} drm_r128_depth_t;
+
+typedef struct drm_r128_stipple {
+ unsigned int *mask;
+} drm_r128_stipple_t;
+
+typedef struct drm_r128_packet {
+ unsigned int *buffer;
+ int count;
+ int flags;
+} drm_r128_packet_t;
#endif
diff --git a/linux/r128_drv.c b/linux/r128_drv.c
index 969ada93..89b68696 100644
--- a/linux/r128_drv.c
+++ b/linux/r128_drv.c
@@ -24,8 +24,10 @@
* 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>
- * Kevin E. Martin <martin@valinux.com>
+ * Authors:
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ * Kevin E. Martin <martin@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
*
*/
@@ -33,15 +35,15 @@
#include "drmP.h"
#include "r128_drv.h"
-#define R128_NAME "r128"
-#define R128_DESC "ATI Rage 128"
-#define R128_DATE "20000928"
-#define R128_MAJOR 1
-#define R128_MINOR 0
-#define R128_PATCHLEVEL 0
+#define R128_NAME "r128"
+#define R128_DESC "ATI Rage 128"
+#define R128_DATE "20001201"
+#define R128_MAJOR 2
+#define R128_MINOR 1
+#define R128_PATCHLEVEL 0
-static drm_device_t r128_device;
-drm_ctx_t r128_res_ctx;
+static drm_device_t r128_device;
+drm_ctx_t r128_res_ctx;
static struct file_operations r128_fops = {
#if LINUX_VERSION_CODE >= 0x020400
@@ -65,52 +67,61 @@ static struct miscdevice r128_misc = {
};
static drm_ioctl_desc_t r128_ioctls[] = {
- [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { r128_version, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { r128_addbufs, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { r128_mapbufs, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { r128_addctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { r128_rmctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { r128_modctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { r128_getctx, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { r128_switchctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { r128_newctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { r128_resctx, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { r128_lock, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { r128_unlock, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { r128_version, 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { r128_addbufs, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { r128_mapbufs, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { r128_addctx, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { r128_rmctx, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { r128_modctx, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { r128_getctx, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { r128_switchctx, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { r128_newctx, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { r128_resctx, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { r128_cce_buffers, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { r128_lock, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { r128_unlock, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 },
#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 },
#endif
- [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)] = { r128_init_cce, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)] = { r128_eng_reset, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_R128_FLUSH)] = { r128_eng_flush, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_R128_PACKET)] = { r128_submit_pkt, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_R128_IDLE)] = { r128_cce_idle, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)] = { r128_vertex_buf, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)] = { r128_cce_init, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)] = { r128_cce_start, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)] = { r128_engine_reset, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)] = { r128_cce_swap, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)] = { r128_cce_clear, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)] = { r128_cce_vertex, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)] = { r128_cce_indices, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)] = { r128_cce_blit, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)] = { r128_cce_depth, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_R128_PACKET)] = { r128_cce_packet, 1, 0 },
};
#define R128_IOCTL_COUNT DRM_ARRAY_SIZE(r128_ioctls)
@@ -349,12 +360,12 @@ static int __init r128_init(void)
#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
dev->agp = drm_agp_init();
- if (dev->agp == NULL) {
- DRM_ERROR("Cannot initialize agpgart module.\n");
- drm_proc_cleanup();
- misc_deregister(&r128_misc);
- r128_takedown(dev);
- return -ENOMEM;
+ if (dev->agp == NULL) {
+ DRM_ERROR("Cannot initialize agpgart module.\n");
+ drm_proc_cleanup();
+ misc_deregister(&r128_misc);
+ r128_takedown(dev);
+ return -ENOMEM;
}
#ifdef CONFIG_MTRR
@@ -413,8 +424,8 @@ module_init(r128_init);
module_exit(r128_cleanup);
-int r128_version(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+int r128_version(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
{
drm_version_t version;
int len;
@@ -424,13 +435,13 @@ int r128_version(struct inode *inode, struct file *filp, unsigned int cmd,
sizeof(version)))
return -EFAULT;
-#define DRM_COPY(name,value) \
- len = strlen(value); \
- if (len > name##_len) len = name##_len; \
- name##_len = strlen(value); \
- if (len && name) { \
- if (copy_to_user(name, value, len)) \
- return -EFAULT; \
+#define DRM_COPY(name,value) \
+ len = strlen(value); \
+ if (len > name##_len) len = name##_len; \
+ name##_len = strlen(value); \
+ if (len && name) { \
+ if (copy_to_user(name, value, len)) \
+ return -EFAULT; \
}
version.version_major = R128_MAJOR;
@@ -506,9 +517,8 @@ int r128_release(struct inode *inode, struct file *filp)
}
/* r128_ioctl is called whenever a process performs an ioctl on /dev/drm. */
-
-int r128_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+int r128_ioctl(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
{
int nr = DRM_IOCTL_NR(cmd);
drm_file_t *priv = filp->private_data;
@@ -534,19 +544,25 @@ int r128_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
DRM_DEBUG("no function\n");
retcode = -EINVAL;
} else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN))
- || (ioctl->auth_needed && !priv->authenticated)) {
+ || (ioctl->auth_needed && !priv->authenticated)) {
retcode = -EACCES;
} else {
retcode = (func)(inode, filp, cmd, arg);
}
}
+#if 0
+ if ( retcode ) {
+ DRM_INFO( "%s 0x%x ret = %d\n", __FUNCTION__, nr, retcode );
+ }
+#endif
+
atomic_dec(&dev->ioctl_count);
return retcode;
}
-int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+int r128_lock(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;
@@ -572,33 +588,10 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
lock.context, current->pid, dev->lock.hw_lock->lock,
lock.flags);
-#if 0
- /* dev->queue_count == 0 right now for
- r128. FIXME? */
- if (lock.context < 0 || lock.context >= dev->queue_count)
+ if (lock.context < 0)
return -EINVAL;
-#endif
if (!ret) {
-#if 0
- if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)
- != lock.context) {
- long j = jiffies - dev->lock.lock_time;
-
- if (lock.context == r128_res_ctx.handle &&
- j >= 0 && j < DRM_LOCK_SLICE) {
- /* Can't take lock if we just had it and
- there is contention. */
- DRM_DEBUG("%d (pid %d) delayed j=%d dev=%d jiffies=%d\n",
- lock.context, current->pid, j,
- dev->lock.lock_time, jiffies);
- current->state = TASK_INTERRUPTIBLE;
- current->policy |= SCHED_YIELD;
- schedule_timeout(DRM_LOCK_SLICE-j);
- DRM_DEBUG("jiffies=%d\n", jiffies);
- }
- }
-#endif
add_wait_queue(&dev->lock.lock_queue, &entry);
for (;;) {
current->state = TASK_INTERRUPTIBLE;
@@ -617,9 +610,6 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
/* Contention */
atomic_inc(&dev->total_sleeps);
-#if 1
- current->policy |= SCHED_YIELD;
-#endif
schedule();
if (signal_pending(current)) {
ret = -ERESTARTSYS;
@@ -630,32 +620,6 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
remove_wait_queue(&dev->lock.lock_queue, &entry);
}
-#if 0
- if (!ret && dev->last_context != lock.context &&
- lock.context != r128_res_ctx.handle &&
- dev->last_context != r128_res_ctx.handle) {
- add_wait_queue(&dev->context_wait, &entry);
- current->state = TASK_INTERRUPTIBLE;
- /* PRE: dev->last_context != lock.context */
- r128_context_switch(dev, dev->last_context, lock.context);
- /* POST: we will wait for the context
- switch and will dispatch on a later call
- when dev->last_context == lock.context
- NOTE WE HOLD THE LOCK THROUGHOUT THIS
- TIME! */
- current->policy |= SCHED_YIELD;
- schedule();
- current->state = TASK_RUNNING;
- remove_wait_queue(&dev->context_wait, &entry);
- if (signal_pending(current)) {
- ret = -EINTR;
- } else if (dev->last_context != lock.context) {
- DRM_ERROR("Context mismatch: %d %d\n",
- dev->last_context, lock.context);
- }
- }
-#endif
-
if (!ret) {
sigemptyset(&dev->sigmask);
sigaddset(&dev->sigmask, SIGSTOP);
@@ -670,6 +634,7 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
}
if (lock.flags & _DRM_LOCK_QUIESCENT) {
/* Make hardware quiescent */
+ DRM_DEBUG( "not quiescent!\n" );
#if 0
r128_quiescent(dev);
#endif
@@ -692,8 +657,8 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
}
-int r128_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+int r128_unlock(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;
diff --git a/linux/r128_drv.h b/linux/r128_drv.h
index 63b98c72..cffd0800 100644
--- a/linux/r128_drv.h
+++ b/linux/r128_drv.h
@@ -24,75 +24,136 @@
* 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>
- * Kevin E. Martin <martin@valinux.com>
+ * Authors:
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ * Kevin E. Martin <martin@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
*
*/
-#ifndef _R128_DRV_H_
-#define _R128_DRV_H_
+#ifndef __R128_DRV_H__
+#define __R128_DRV_H__
-typedef struct drm_r128_private {
- int is_pci;
-
- int cce_mode;
- int cce_fifo_size;
- int cce_is_bm_mode;
- int cce_secure;
-
- drm_r128_sarea_t *sarea_priv;
-
- __volatile__ u32 *ring_read_ptr;
+typedef struct drm_r128_freelist {
+ unsigned int age;
+ drm_buf_t *buf;
+ struct drm_r128_freelist *next;
+ struct drm_r128_freelist *prev;
+} drm_r128_freelist_t;
- u32 *ring_start;
- u32 *ring_end;
- int ring_size;
- int ring_sizel2qw;
- int ring_entries;
+typedef struct drm_r128_ring_buffer {
+ u32 *start;
+ u32 *end;
+ int size;
+ int size_l2qw;
- int submit_age;
+ volatile u32 *head;
+ u32 tail;
+ u32 tail_mask;
+ int space;
+} drm_r128_ring_buffer_t;
- int usec_timeout;
+typedef struct drm_r128_private {
+ drm_r128_ring_buffer_t ring;
+ drm_r128_sarea_t *sarea_priv;
- drm_map_t *sarea;
- drm_map_t *fb;
- drm_map_t *agp_ring;
- drm_map_t *agp_read_ptr;
- drm_map_t *agp_vertbufs;
- drm_map_t *agp_indbufs;
- drm_map_t *agp_textures;
- drm_map_t *mmio;
+ int cce_mode;
+ int cce_fifo_size;
+ int cce_secure;
+ int cce_running;
+
+ drm_r128_freelist_t *head;
+ drm_r128_freelist_t *tail;
+
+ int usec_timeout;
+ int is_pci;
+
+ atomic_t idle_count;
+
+ unsigned int fb_bpp;
+ unsigned int front_offset;
+ unsigned int front_pitch;
+ unsigned int back_offset;
+ unsigned int back_pitch;
+
+ unsigned int depth_bpp;
+ unsigned int depth_offset;
+ unsigned int depth_pitch;
+ unsigned int span_offset;
+
+ u32 front_pitch_offset_c;
+ u32 back_pitch_offset_c;
+ u32 depth_pitch_offset_c;
+ u32 span_pitch_offset_c;
+
+ drm_map_t *sarea;
+ drm_map_t *fb;
+ drm_map_t *mmio;
+ drm_map_t *cce_ring;
+ drm_map_t *ring_rptr;
+ drm_map_t *buffers;
+ drm_map_t *agp_textures;
} drm_r128_private_t;
typedef struct drm_r128_buf_priv {
- u32 age;
+ u32 age;
+ int prim;
+ int discard;
+ int dispatched;
+ drm_r128_freelist_t *list_entry;
} drm_r128_buf_priv_t;
/* r128_drv.c */
-extern int r128_version(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_open(struct inode *inode, struct file *filp);
-extern int r128_release(struct inode *inode, struct file *filp);
-extern int r128_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_lock(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_unlock(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-
- /* r128_dma.c */
-extern int r128_init_cce(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_eng_reset(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_eng_flush(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_submit_pkt(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_cce_idle(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
-extern int r128_vertex_buf(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
+extern int r128_version( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_open( struct inode *inode, struct file *filp );
+extern int r128_release( struct inode *inode, struct file *filp );
+extern int r128_ioctl( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_lock( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_unlock( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+
+ /* r128_cce.c */
+extern int r128_cce_init( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_start( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_stop( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_reset( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_idle( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_engine_reset( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_packet( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_buffers( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+
+extern void r128_freelist_reset( drm_device_t *dev );
+extern drm_buf_t *r128_freelist_get( drm_device_t *dev );
+
+extern int r128_wait_ring( drm_r128_private_t *dev_priv, int n );
+extern void r128_update_ring_snapshot( drm_r128_private_t *dev_priv );
+
+ /* r128_state.c */
+extern int r128_cce_clear( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_swap( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_vertex( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_indices( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_blit( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_depth( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
+extern int r128_cce_stipple( struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg );
/* r128_bufs.c */
extern int r128_addbufs(struct inode *inode, struct file *filp,
@@ -124,77 +185,204 @@ extern int r128_context_switch_complete(drm_device_t *dev, int new);
* for Rage 128 kernel driver.
*/
-#define R128_PC_NGUI_CTLSTAT 0x0184
-# define R128_PC_FLUSH_ALL 0x00ff
-# define R128_PC_BUSY (1 << 31)
-
-#define R128_CLOCK_CNTL_INDEX 0x0008
-#define R128_CLOCK_CNTL_DATA 0x000c
-# define R128_PLL_WR_EN (1 << 7)
-
-#define R128_MCLK_CNTL 0x000f
-# define R128_FORCE_GCP (1 << 16)
-# define R128_FORCE_PIPE3D_CP (1 << 17)
-# define R128_FORCE_RCP (1 << 18)
-
-#define R128_GEN_RESET_CNTL 0x00f0
-# define R128_SOFT_RESET_GUI (1 << 0)
-
-#define R128_PM4_BUFFER_CNTL 0x0704
-# define R128_PM4_NONPM4 (0 << 28)
-# define R128_PM4_192PIO (1 << 28)
-# define R128_PM4_192BM (2 << 28)
-# define R128_PM4_128PIO_64INDBM (3 << 28)
-# define R128_PM4_128BM_64INDBM (4 << 28)
-# define R128_PM4_64PIO_128INDBM (5 << 28)
-# define R128_PM4_64BM_128INDBM (6 << 28)
-# define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28)
-# define R128_PM4_64BM_64VCBM_64INDBM (8 << 28)
-# define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28)
-
-
-#define R128_PM4_BUFFER_DL_RPTR 0x0710
-#define R128_PM4_BUFFER_DL_WPTR 0x0714
-# define R128_PM4_BUFFER_DL_DONE (1 << 31)
-
-#define R128_PM4_VC_FPU_SETUP 0x071c
-
-#define R128_PM4_STAT 0x07b8
-# define R128_PM4_FIFOCNT_MASK 0x0fff
-# define R128_PM4_BUSY (1 << 16)
-# define R128_PM4_GUI_ACTIVE (1 << 31)
-
-#define R128_PM4_BUFFER_ADDR 0x07f0
-#define R128_PM4_MICRO_CNTL 0x07fc
-# define R128_PM4_MICRO_FREERUN (1 << 30)
-
-#define R128_PM4_FIFO_DATA_EVEN 0x1000
-#define R128_PM4_FIFO_DATA_ODD 0x1004
-
-#define R128_GUI_SCRATCH_REG0 0x15e0
-#define R128_GUI_SCRATCH_REG1 0x15e4
-#define R128_GUI_SCRATCH_REG2 0x15e8
-#define R128_GUI_SCRATCH_REG3 0x15ec
-#define R128_GUI_SCRATCH_REG4 0x15f0
-#define R128_GUI_SCRATCH_REG5 0x15f4
-
-#define R128_GUI_STAT 0x1740
-# define R128_GUI_FIFOCNT_MASK 0x0fff
-# define R128_GUI_ACTIVE (1 << 31)
-
+#define R128_AUX_SC_CNTL 0x1660
+# define R128_AUX1_SC_EN (1 << 0)
+# define R128_AUX1_SC_MODE_OR (0 << 1)
+# define R128_AUX1_SC_MODE_NAND (1 << 1)
+# define R128_AUX2_SC_EN (1 << 2)
+# define R128_AUX2_SC_MODE_OR (0 << 3)
+# define R128_AUX2_SC_MODE_NAND (1 << 3)
+# define R128_AUX3_SC_EN (1 << 4)
+# define R128_AUX3_SC_MODE_OR (0 << 5)
+# define R128_AUX3_SC_MODE_NAND (1 << 5)
+#define R128_AUX1_SC_LEFT 0x1664
+#define R128_AUX1_SC_RIGHT 0x1668
+#define R128_AUX1_SC_TOP 0x166c
+#define R128_AUX1_SC_BOTTOM 0x1670
+#define R128_AUX2_SC_LEFT 0x1674
+#define R128_AUX2_SC_RIGHT 0x1678
+#define R128_AUX2_SC_TOP 0x167c
+#define R128_AUX2_SC_BOTTOM 0x1680
+#define R128_AUX3_SC_LEFT 0x1684
+#define R128_AUX3_SC_RIGHT 0x1688
+#define R128_AUX3_SC_TOP 0x168c
+#define R128_AUX3_SC_BOTTOM 0x1690
+
+#define R128_BRUSH_DATA0 0x1480
+#define R128_BUS_CNTL 0x0030
+# define R128_BUS_MASTER_DIS (1 << 6)
+
+#define R128_CLOCK_CNTL_INDEX 0x0008
+#define R128_CLOCK_CNTL_DATA 0x000c
+# define R128_PLL_WR_EN (1 << 7)
+
+#define R128_CONSTANT_COLOR_C 0x1d34
+
+#define R128_DP_GUI_MASTER_CNTL 0x146c
+# define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0)
+# define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1)
+# define R128_GMC_BRUSH_SOLID_COLOR (13 << 4)
+# define R128_GMC_BRUSH_NONE (15 << 4)
+# define R128_GMC_DST_16BPP (4 << 8)
+# define R128_GMC_DST_24BPP (5 << 8)
+# define R128_GMC_DST_32BPP (6 << 8)
+# define R128_GMC_DST_DATATYPE_SHIFT 8
+# define R128_GMC_SRC_DATATYPE_COLOR (3 << 12)
+# define R128_DP_SRC_SOURCE_MEMORY (2 << 24)
+# define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24)
+# define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28)
+# define R128_GMC_AUX_CLIP_DIS (1 << 29)
+# define R128_GMC_WR_MSK_DIS (1 << 30)
+# define R128_ROP3_S 0x00cc0000
+# define R128_ROP3_P 0x00f00000
+#define R128_DP_WRITE_MASK 0x16cc
+#define R128_DST_PITCH_OFFSET_C 0x1c80
+# define R128_DST_TILE (1 << 31)
+
+#define R128_GEN_RESET_CNTL 0x00f0
+# define R128_SOFT_RESET_GUI (1 << 0)
+
+#define R128_GUI_SCRATCH_REG0 0x15e0
+#define R128_GUI_SCRATCH_REG1 0x15e4
+#define R128_GUI_SCRATCH_REG2 0x15e8
+#define R128_GUI_SCRATCH_REG3 0x15ec
+#define R128_GUI_SCRATCH_REG4 0x15f0
+#define R128_GUI_SCRATCH_REG5 0x15f4
+
+#define R128_GUI_STAT 0x1740
+# define R128_GUI_FIFOCNT_MASK 0x0fff
+# define R128_GUI_ACTIVE (1 << 31)
+
+#define R128_MCLK_CNTL 0x000f
+# define R128_FORCE_GCP (1 << 16)
+# define R128_FORCE_PIPE3D_CP (1 << 17)
+# define R128_FORCE_RCP (1 << 18)
+
+#define R128_PC_GUI_CTLSTAT 0x1748
+#define R128_PC_NGUI_CTLSTAT 0x0184
+# define R128_PC_FLUSH_GUI (3 << 0)
+# define R128_PC_RI_GUI (1 << 2)
+# define R128_PC_FLUSH_ALL 0x00ff
+# define R128_PC_BUSY (1 << 31)
+
+#define R128_PRIM_TEX_CNTL_C 0x1cb0
+
+#define R128_SCALE_3D_CNTL 0x1a00
+#define R128_SEC_TEX_CNTL_C 0x1d00
+#define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c
+#define R128_SETUP_CNTL 0x1bc4
+#define R128_STEN_REF_MASK_C 0x1d40
+
+#define R128_TEX_CNTL_C 0x1c9c
+# define R128_TEX_CACHE_FLUSH (1 << 23)
+
+#define R128_WINDOW_XY_OFFSET 0x1bcc
+
+
+/* CCE registers
+ */
+#define R128_PM4_BUFFER_OFFSET 0x0700
+#define R128_PM4_BUFFER_CNTL 0x0704
+# define R128_PM4_MASK (15 << 28)
+# define R128_PM4_NONPM4 (0 << 28)
+# define R128_PM4_192PIO (1 << 28)
+# define R128_PM4_192BM (2 << 28)
+# define R128_PM4_128PIO_64INDBM (3 << 28)
+# define R128_PM4_128BM_64INDBM (4 << 28)
+# define R128_PM4_64PIO_128INDBM (5 << 28)
+# define R128_PM4_64BM_128INDBM (6 << 28)
+# define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28)
+# define R128_PM4_64BM_64VCBM_64INDBM (8 << 28)
+# define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28)
+
+#define R128_PM4_BUFFER_WM_CNTL 0x0708
+# define R128_WMA_SHIFT 0
+# define R128_WMB_SHIFT 8
+# define R128_WMC_SHIFT 16
+# define R128_WB_WM_SHIFT 24
+
+#define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c
+#define R128_PM4_BUFFER_DL_RPTR 0x0710
+#define R128_PM4_BUFFER_DL_WPTR 0x0714
+# define R128_PM4_BUFFER_DL_DONE (1 << 31)
+
+#define R128_PM4_VC_FPU_SETUP 0x071c
+
+#define R128_PM4_IW_INDOFF 0x0738
+#define R128_PM4_IW_INDSIZE 0x073c
+
+#define R128_PM4_STAT 0x07b8
+# define R128_PM4_FIFOCNT_MASK 0x0fff
+# define R128_PM4_BUSY (1 << 16)
+# define R128_PM4_GUI_ACTIVE (1 << 31)
+
+#define R128_PM4_MICROCODE_ADDR 0x07d4
+#define R128_PM4_MICROCODE_RADDR 0x07d8
+#define R128_PM4_MICROCODE_DATAH 0x07dc
+#define R128_PM4_MICROCODE_DATAL 0x07e0
+
+#define R128_PM4_BUFFER_ADDR 0x07f0
+#define R128_PM4_MICRO_CNTL 0x07fc
+# define R128_PM4_MICRO_FREERUN (1 << 30)
+
+#define R128_PM4_FIFO_DATA_EVEN 0x1000
+#define R128_PM4_FIFO_DATA_ODD 0x1004
+
+
+/* CCE command packets
+ */
+#define R128_CCE_PACKET0 0x00000000
+#define R128_CCE_PACKET1 0x40000000
+#define R128_CCE_PACKET2 0x80000000
+#define R128_CCE_PACKET3 0xC0000000
+# define R128_CNTL_HOSTDATA_BLT 0x00009400
+# define R128_CNTL_PAINT_MULTI 0x00009A00
+# define R128_CNTL_BITBLT_MULTI 0x00009B00
+# define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300
+
+#define R128_CCE_PACKET_MASK 0xC0000000
+#define R128_CCE_PACKET_COUNT_MASK 0x3fff0000
+#define R128_CCE_PACKET0_REG_MASK 0x000007ff
+#define R128_CCE_PACKET1_REG0_MASK 0x000007ff
+#define R128_CCE_PACKET1_REG1_MASK 0x003ff800
+
+#define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000
+#define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001
+#define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002
+#define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003
+#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004
+#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005
+#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006
+#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007
+#define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010
+#define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020
+#define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030
+#define R128_CCE_VC_CNTL_NUM_SHIFT 16
+
+#define R128_DATATYPE_CI8 2
+#define R128_DATATYPE_ARGB1555 3
+#define R128_DATATYPE_RGB565 4
+#define R128_DATATYPE_RGB888 5
+#define R128_DATATYPE_ARGB8888 6
+#define R128_DATATYPE_RGB332 7
+#define R128_DATATYPE_RGB8 9
+#define R128_DATATYPE_ARGB4444 15
+
+/* Constants */
+#define R128_AGP_OFFSET 0x02000000
+
+#define R128_WATERMARK_L 16
+#define R128_WATERMARK_M 8
+#define R128_WATERMARK_N 8
+#define R128_WATERMARK_K 128
-/* CCE command packets */
-#define R128_CCE_PACKET0 0x00000000
-#define R128_CCE_PACKET1 0x40000000
-#define R128_CCE_PACKET2 0x80000000
-# define R128_CCE_PACKET_MASK 0xC0000000
-# define R128_CCE_PACKET_COUNT_MASK 0x3fff0000
-# define R128_CCE_PACKET0_REG_MASK 0x000007ff
-# define R128_CCE_PACKET1_REG0_MASK 0x000007ff
-# define R128_CCE_PACKET1_REG1_MASK 0x003ff800
+#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */
+#define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0
+#define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1
+#define R128_MAX_VB_AGE 0xffffffff
-#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */
+#define R128_MAX_VB_VERTS (0xffff)
#define R128_BASE(reg) ((u32)(dev_priv->mmio->handle))
@@ -221,4 +409,58 @@ extern int R128_READ_PLL(drm_device_t *dev, int addr);
#define R128CCE2(p) ((p))
#define R128CCE3(p,n) ((p) | ((n) << 16))
-#endif
+
+
+
+#define CCE_PACKET0( reg, n ) (R128_CCE_PACKET0 | \
+ ((n) << 16) | ((reg) >> 2))
+#define CCE_PACKET1( reg0, reg1 ) (R128_CCE_PACKET1 | \
+ (((reg1) >> 2) << 11) | ((reg0) >> 2))
+#define CCE_PACKET2() (R128_CCE_PACKET2)
+#define CCE_PACKET3( pkt, n ) (R128_CCE_PACKET3 | \
+ (pkt) | ((n) << 16))
+
+
+#define r128_flush_write_combine() mb()
+
+
+#define R128_VERBOSE 0
+
+#define RING_LOCALS int write; unsigned int tail_mask; volatile u32 *ring;
+
+#define BEGIN_RING( n ) do { \
+ if ( R128_VERBOSE ) { \
+ DRM_INFO( "BEGIN_RING( %d ) in %s\n", \
+ n, __FUNCTION__ ); \
+ } \
+ if ( dev_priv->ring.space < n * sizeof(u32) ) { \
+ r128_wait_ring( dev_priv, n * sizeof(u32) ); \
+ } \
+ dev_priv->ring.space -= n * sizeof(u32); \
+ ring = dev_priv->ring.start; \
+ write = dev_priv->ring.tail; \
+ tail_mask = dev_priv->ring.tail_mask; \
+} while (0)
+
+#define ADVANCE_RING() do { \
+ if ( R128_VERBOSE ) { \
+ DRM_INFO( "ADVANCE_RING() tail=0x%06x wr=0x%06x\n", \
+ write, dev_priv->ring.tail ); \
+ } \
+ r128_flush_write_combine(); \
+ dev_priv->ring.tail = write; \
+ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, write ); \
+} while (0)
+
+#define OUT_RING( x ) do { \
+ if ( R128_VERBOSE ) { \
+ DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \
+ (unsigned int)(x), write ); \
+ } \
+ ring[write++] = x; \
+ write &= tail_mask; \
+} while (0)
+
+#define R128_PERFORMANCE_BOXES 0
+
+#endif /* __R128_DRV_H__ */
diff --git a/linux/r128_state.c b/linux/r128_state.c
new file mode 100644
index 00000000..faad25a2
--- /dev/null
+++ b/linux/r128_state.c
@@ -0,0 +1,1630 @@
+/* r128_state.c -- State support for r128 -*- linux-c -*-
+ * Created: Thu Jan 27 02:53:43 2000 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
+ * 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:
+ * Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include "r128_drv.h"
+#include "drm.h"
+
+
+/* ================================================================
+ * CCE hardware state programming functions
+ */
+
+static void r128_emit_clip_rects( drm_r128_private_t *dev_priv,
+ drm_clip_rect_t *boxes, int count )
+{
+ u32 aux_sc_cntl = 0x00000000;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 17 );
+
+ if ( count >= 1 ) {
+ OUT_RING( CCE_PACKET0( R128_AUX1_SC_LEFT, 3 ) );
+ OUT_RING( boxes[0].x1 );
+ OUT_RING( boxes[0].x2 - 1 );
+ OUT_RING( boxes[0].y1 );
+ OUT_RING( boxes[0].y2 - 1 );
+
+ aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR);
+ }
+ if ( count >= 2 ) {
+ OUT_RING( CCE_PACKET0( R128_AUX2_SC_LEFT, 3 ) );
+ OUT_RING( boxes[1].x1 );
+ OUT_RING( boxes[1].x2 - 1 );
+ OUT_RING( boxes[1].y1 );
+ OUT_RING( boxes[1].y2 - 1 );
+
+ aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR);
+ }
+ if ( count >= 3 ) {
+ OUT_RING( CCE_PACKET0( R128_AUX3_SC_LEFT, 3 ) );
+ OUT_RING( boxes[2].x1 );
+ OUT_RING( boxes[2].x2 - 1 );
+ OUT_RING( boxes[2].y1 );
+ OUT_RING( boxes[2].y2 - 1 );
+
+ aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR);
+ }
+
+ OUT_RING( CCE_PACKET0( R128_AUX_SC_CNTL, 0 ) );
+ OUT_RING( aux_sc_cntl );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_core( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_SCALE_3D_CNTL, 0 ) );
+ OUT_RING( ctx->scale_3d_cntl );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_context( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 13 );
+
+ OUT_RING( CCE_PACKET0( R128_DST_PITCH_OFFSET_C, 11 ) );
+ OUT_RING( ctx->dst_pitch_offset_c );
+ OUT_RING( ctx->dp_gui_master_cntl_c );
+ OUT_RING( ctx->sc_top_left_c );
+ OUT_RING( ctx->sc_bottom_right_c );
+ OUT_RING( ctx->z_offset_c );
+ OUT_RING( ctx->z_pitch_c );
+ OUT_RING( ctx->z_sten_cntl_c );
+ OUT_RING( ctx->tex_cntl_c );
+ OUT_RING( ctx->misc_3d_state_cntl_reg );
+ OUT_RING( ctx->texture_clr_cmp_clr_c );
+ OUT_RING( ctx->texture_clr_cmp_msk_c );
+ OUT_RING( ctx->fog_color_c );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_setup( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 3 );
+
+ OUT_RING( CCE_PACKET1( R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP ) );
+ OUT_RING( ctx->setup_cntl );
+ OUT_RING( ctx->pm4_vc_fpu_setup );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_masks( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 5 );
+
+ OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) );
+ OUT_RING( ctx->dp_write_mask );
+
+ OUT_RING( CCE_PACKET0( R128_STEN_REF_MASK_C, 1 ) );
+ OUT_RING( ctx->sten_ref_mask_c );
+ OUT_RING( ctx->plane_3d_mask_c );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_window( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_WINDOW_XY_OFFSET, 0 ) );
+ OUT_RING( ctx->window_xy_offset );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_tex0( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
+ drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0];
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 7 + R128_TEX_MAXLEVELS );
+
+ OUT_RING( CCE_PACKET0( R128_PRIM_TEX_CNTL_C,
+ 2 + R128_TEX_MAXLEVELS ) );
+ OUT_RING( tex->tex_cntl );
+ OUT_RING( tex->tex_combine_cntl );
+ OUT_RING( ctx->tex_size_pitch_c );
+ for ( i = 0 ; i < R128_TEX_MAXLEVELS ; i++ ) {
+ OUT_RING( tex->tex_offset[i] );
+ }
+
+ OUT_RING( CCE_PACKET0( R128_CONSTANT_COLOR_C, 1 ) );
+ OUT_RING( ctx->constant_color_c );
+ OUT_RING( tex->tex_border_color );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_tex1( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( " %s\n", __FUNCTION__ );
+
+ BEGIN_RING( 5 + R128_TEX_MAXLEVELS );
+
+ OUT_RING( CCE_PACKET0( R128_SEC_TEX_CNTL_C,
+ 1 + R128_TEX_MAXLEVELS ) );
+ OUT_RING( tex->tex_cntl );
+ OUT_RING( tex->tex_combine_cntl );
+ for ( i = 0 ; i < R128_TEX_MAXLEVELS ; i++ ) {
+ OUT_RING( tex->tex_offset[i] );
+ }
+
+ OUT_RING( CCE_PACKET0( R128_SEC_TEXTURE_BORDER_COLOR_C, 0 ) );
+ OUT_RING( tex->tex_border_color );
+
+ ADVANCE_RING();
+}
+
+static inline void r128_emit_state( drm_r128_private_t *dev_priv )
+{
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ unsigned int dirty = sarea_priv->dirty;
+
+ DRM_DEBUG( "%s: dirty=0x%08x\n", __FUNCTION__, dirty );
+
+ if ( dirty & R128_UPLOAD_CORE ) {
+ r128_emit_core( dev_priv );
+ sarea_priv->dirty &= ~R128_UPLOAD_CORE;
+ }
+
+ if ( dirty & R128_UPLOAD_CONTEXT ) {
+ r128_emit_context( dev_priv );
+ sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
+ }
+
+ if ( dirty & R128_UPLOAD_SETUP ) {
+ r128_emit_setup( dev_priv );
+ sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
+ }
+
+ if ( dirty & R128_UPLOAD_MASKS ) {
+ r128_emit_masks( dev_priv );
+ sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
+ }
+
+ if ( dirty & R128_UPLOAD_WINDOW ) {
+ r128_emit_window( dev_priv );
+ sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
+ }
+
+ if ( dirty & R128_UPLOAD_TEX0 ) {
+ r128_emit_tex0( dev_priv );
+ sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
+ }
+
+ if ( dirty & R128_UPLOAD_TEX1 ) {
+ r128_emit_tex1( dev_priv );
+ sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
+ }
+
+ /* Turn off the texture cache flushing */
+ sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
+
+ sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
+}
+
+
+#if R128_PERFORMANCE_BOXES
+/* ================================================================
+ * Performance monitoring functions
+ */
+
+static void r128_clear_box( drm_r128_private_t *dev_priv,
+ int x, int y, int w, int h,
+ int r, int g, int b )
+{
+ u32 pitch, offset;
+ u32 fb_bpp, color;
+ RING_LOCALS;
+
+ switch ( dev_priv->fb_bpp ) {
+ case 16:
+ fb_bpp = R128_GMC_DST_16BPP;
+ color = (((r & 0xf8) << 8) |
+ ((g & 0xfc) << 3) |
+ ((b & 0xf8) >> 3));
+ break;
+ case 24:
+ fb_bpp = R128_GMC_DST_24BPP;
+ color = ((r << 16) | (g << 8) | b);
+ break;
+ case 32:
+ default:
+ fb_bpp = R128_GMC_DST_32BPP;
+ color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
+ break;
+ }
+
+ offset = dev_priv->back_offset;
+ pitch = dev_priv->back_pitch >> 3;
+
+ BEGIN_RING( 6 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | fb_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_AUX_CLIP_DIS );
+
+ OUT_RING( (pitch << 21) | (offset >> 5) );
+ OUT_RING( color );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (w << 16) | h );
+
+ ADVANCE_RING();
+}
+
+static void r128_cce_performance_boxes( drm_r128_private_t *dev_priv )
+{
+ if ( atomic_read( &dev_priv->idle_count ) == 0 ) {
+ r128_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 );
+ } else {
+ atomic_set( &dev_priv->idle_count, 0 );
+ }
+}
+
+#endif
+
+
+/* ================================================================
+ * CCE command dispatch functions
+ */
+
+static void r128_print_dirty( const char *msg, unsigned int flags )
+{
+ DRM_INFO( "%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
+ msg,
+ flags,
+ (flags & R128_UPLOAD_CORE) ? "core, " : "",
+ (flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
+ (flags & R128_UPLOAD_SETUP) ? "setup, " : "",
+ (flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
+ (flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
+ (flags & R128_UPLOAD_MASKS) ? "masks, " : "",
+ (flags & R128_UPLOAD_WINDOW) ? "window, " : "",
+ (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
+ (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "" );
+}
+
+static void r128_cce_dispatch_clear( drm_device_t *dev,
+ unsigned int flags,
+ int cx, int cy, int cw, int ch,
+ unsigned int clear_color,
+ unsigned int clear_depth,
+ unsigned int color_mask,
+ unsigned int depth_mask )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ int nbox = sarea_priv->nbox;
+ drm_clip_rect_t *pbox = sarea_priv->boxes;
+ u32 fb_bpp, depth_bpp;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ switch ( dev_priv->fb_bpp ) {
+ case 16:
+ fb_bpp = R128_GMC_DST_16BPP;
+ break;
+ case 24:
+ fb_bpp = R128_GMC_DST_24BPP;
+ break;
+ case 32:
+ default:
+ fb_bpp = R128_GMC_DST_32BPP;
+ break;
+ }
+ switch ( dev_priv->depth_bpp ) {
+ case 16:
+ depth_bpp = R128_GMC_DST_16BPP;
+ break;
+ case 24:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ case 32:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ default:
+ return;
+ }
+
+ for ( i = 0 ; i < nbox ; i++ ) {
+ int x = pbox[i].x1;
+ int y = pbox[i].y1;
+ int w = pbox[i].x2 - x;
+ int h = pbox[i].y2 - y;
+
+ DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n",
+ pbox[i].x1, pbox[i].y1, pbox[i].x2,
+ pbox[i].y2, flags );
+
+ if ( flags & (R128_FRONT | R128_BACK) ) {
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) );
+ OUT_RING( color_mask );
+
+ ADVANCE_RING();
+ }
+
+ if ( flags & R128_FRONT ) {
+ BEGIN_RING( 6 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | fb_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_AUX_CLIP_DIS );
+
+ OUT_RING( dev_priv->front_pitch_offset_c );
+ OUT_RING( clear_color );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (w << 16) | h );
+
+ ADVANCE_RING();
+ }
+
+ if ( flags & R128_BACK ) {
+ BEGIN_RING( 6 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | fb_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_AUX_CLIP_DIS );
+
+ OUT_RING( dev_priv->back_pitch_offset_c );
+ OUT_RING( clear_color );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (w << 16) | h );
+
+ ADVANCE_RING();
+ }
+
+ if ( flags & R128_DEPTH ) {
+ BEGIN_RING( 8 );
+
+ OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) );
+ OUT_RING( depth_mask );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | depth_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_AUX_CLIP_DIS );
+
+ OUT_RING( dev_priv->depth_pitch_offset_c );
+ OUT_RING( clear_depth );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (w << 16) | h );
+
+ ADVANCE_RING();
+ }
+ }
+}
+
+static void r128_cce_dispatch_swap( drm_device_t *dev )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ int nbox = sarea_priv->nbox;
+ drm_clip_rect_t *pbox = sarea_priv->boxes;
+ u32 fb_bpp;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+#if R128_PERFORMANCE_BOXES
+ /* Do some trivial performance monitoring...
+ */
+ r128_cce_performance_boxes( dev_priv );
+#endif
+
+ switch ( dev_priv->fb_bpp ) {
+ case 16:
+ fb_bpp = R128_GMC_DST_16BPP;
+ break;
+ case 24:
+ fb_bpp = R128_GMC_DST_24BPP;
+ break;
+ case 32:
+ default:
+ fb_bpp = R128_GMC_DST_32BPP;
+ break;
+ }
+
+ for ( i = 0 ; i < nbox ; i++ ) {
+ int x = pbox[i].x1;
+ int y = pbox[i].y1;
+ int w = pbox[i].x2 - x;
+ int h = pbox[i].y2 - y;
+
+ BEGIN_RING( 7 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
+ OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL
+ | R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_NONE
+ | fb_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_S
+ | R128_DP_SRC_SOURCE_MEMORY
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_AUX_CLIP_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+#if 1
+ OUT_RING( dev_priv->back_pitch_offset_c );
+ OUT_RING( dev_priv->front_pitch_offset_c );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (w << 16) | h );
+#else
+ OUT_RING( dev_priv->depth_pitch_offset_c /*& ~R128_DST_TILE*/ );
+ OUT_RING( dev_priv->front_pitch_offset_c );
+
+ OUT_RING( (0 << 16) | 0 );
+ OUT_RING( (0 << 16) | 0 );
+ OUT_RING( (800 << 16) | 600 );
+#endif
+
+ ADVANCE_RING();
+ }
+
+ /* Increment the frame counter. The client-side 3D driver must
+ * throttle the framerate by waiting for this value before
+ * performing the swapbuffer ioctl.
+ */
+ dev_priv->sarea_priv->last_frame++;
+
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) );
+ OUT_RING( dev_priv->sarea_priv->last_frame );
+
+ ADVANCE_RING();
+}
+
+static void r128_cce_dispatch_vertex( drm_device_t *dev,
+ drm_buf_t *buf )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_buf_priv_t *buf_priv = buf->dev_private;
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ int format = sarea_priv->vc_format;
+ int offset = dev_priv->buffers->offset + buf->offset - dev->agp->base;
+ int size = buf->used;
+ int prim = buf_priv->prim;
+ int i = 0;
+ RING_LOCALS;
+ DRM_DEBUG( "%s: buf=%d nbox=%d\n",
+ __FUNCTION__, buf->idx, sarea_priv->nbox );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ if ( 0 )
+ r128_print_dirty( "dispatch_vertex", sarea_priv->dirty );
+
+ if ( buf->used ) {
+ buf_priv->dispatched = 1;
+
+ if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) {
+ r128_emit_state( dev_priv );
+ }
+
+ do {
+ /* Emit the next set of up to three cliprects */
+ if ( i < sarea_priv->nbox ) {
+ r128_emit_clip_rects( dev_priv,
+ &sarea_priv->boxes[i],
+ sarea_priv->nbox - i );
+ }
+
+ /* Emit the vertex buffer rendering commands */
+ BEGIN_RING( 5 );
+
+ OUT_RING( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, 3 ) );
+ OUT_RING( offset );
+ OUT_RING( size );
+ OUT_RING( format );
+ OUT_RING( prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
+ (size << R128_CCE_VC_CNTL_NUM_SHIFT) );
+
+ ADVANCE_RING();
+
+ i += 3;
+ } while ( i < sarea_priv->nbox );
+ }
+
+ if ( buf_priv->discard ) {
+ buf_priv->age = dev_priv->sarea_priv->last_dispatch;
+
+ /* Emit the vertex buffer age */
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
+ OUT_RING( buf_priv->age );
+
+ ADVANCE_RING();
+
+ buf->pending = 1;
+ buf->used = 0;
+ /* FIXME: Check dispatched field */
+ buf_priv->dispatched = 0;
+ }
+
+ dev_priv->sarea_priv->last_dispatch++;
+
+#if 0
+ if ( dev_priv->submit_age == R128_MAX_VB_AGE ) {
+ ret = r128_do_cce_idle( dev_priv );
+ if ( ret < 0 ) return ret;
+ dev_priv->submit_age = 0;
+ r128_freelist_reset( dev );
+ }
+#endif
+
+ sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
+ sarea_priv->nbox = 0;
+}
+
+
+
+
+static void r128_cce_dispatch_indirect( drm_device_t *dev,
+ drm_buf_t *buf,
+ int start, int end )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_buf_priv_t *buf_priv = buf->dev_private;
+ RING_LOCALS;
+ DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n",
+ buf->idx, start, end );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ if ( start != end ) {
+ int offset = (dev_priv->buffers->offset - dev->agp->base
+ + buf->offset + start);
+ int dwords = (end - start + 3) / sizeof(u32);
+
+ /* Indirect buffer data must be an even number of
+ * dwords, so if we've been given an odd number we must
+ * pad the data with a Type-2 CCE packet.
+ */
+ if ( dwords & 1 ) {
+ u32 *data = (u32 *)
+ ((char *)dev_priv->buffers->handle
+ + buf->offset + start);
+ data[dwords++] = R128_CCE_PACKET2;
+ }
+
+ buf_priv->dispatched = 1;
+
+ /* Fire off the indirect buffer */
+ BEGIN_RING( 3 );
+
+ OUT_RING( CCE_PACKET0( R128_PM4_IW_INDOFF, 1 ) );
+ OUT_RING( offset );
+ OUT_RING( dwords );
+
+ ADVANCE_RING();
+ }
+
+ if ( buf_priv->discard ) {
+ buf_priv->age = dev_priv->sarea_priv->last_dispatch;
+
+ /* Emit the indirect buffer age */
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
+ OUT_RING( buf_priv->age );
+
+ ADVANCE_RING();
+
+ buf->pending = 1;
+ buf->used = 0;
+ /* FIXME: Check dispatched field */
+ buf_priv->dispatched = 0;
+ }
+
+ dev_priv->sarea_priv->last_dispatch++;
+
+#if 0
+ if ( dev_priv->submit_age == R128_MAX_VB_AGE ) {
+ ret = r128_do_cce_idle( dev_priv );
+ if ( ret < 0 ) return ret;
+ dev_priv->submit_age = 0;
+ r128_freelist_reset( dev );
+ }
+#endif
+}
+
+static void r128_cce_dispatch_indices( drm_device_t *dev,
+ drm_buf_t *buf,
+ int start, int end,
+ int count )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_buf_priv_t *buf_priv = buf->dev_private;
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ int format = sarea_priv->vc_format;
+ int offset = dev_priv->buffers->offset - dev->agp->base;
+ int prim = buf_priv->prim;
+ u32 *data;
+ int dwords;
+ int i = 0;
+ RING_LOCALS;
+ DRM_DEBUG( "indices: s=%d e=%d c=%d\n", start, end, count );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ if ( 0 )
+ r128_print_dirty( "dispatch_indices", sarea_priv->dirty );
+
+ if ( start != end ) {
+ buf_priv->dispatched = 1;
+
+ if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) {
+ r128_emit_state( dev_priv );
+ }
+
+ dwords = (end - start + 3) / sizeof(u32);
+
+ data = (u32 *)((char *)dev_priv->buffers->handle
+ + buf->offset + start);
+
+ data[0] = CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, dwords-2 );
+
+ data[1] = offset;
+ data[2] = R128_MAX_VB_VERTS;
+ data[3] = format;
+ data[4] = (prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
+ (count << 16));
+
+ if ( count & 0x1 ) {
+ data[dwords-1] &= 0x0000ffff;
+ }
+
+ do {
+ /* Emit the next set of up to three cliprects */
+ if ( i < sarea_priv->nbox ) {
+ r128_emit_clip_rects( dev_priv,
+ &sarea_priv->boxes[i],
+ sarea_priv->nbox - i );
+ }
+
+ r128_cce_dispatch_indirect( dev, buf, start, end );
+
+ i += 3;
+ } while ( i < sarea_priv->nbox );
+ }
+
+ if ( buf_priv->discard ) {
+ buf_priv->age = dev_priv->sarea_priv->last_dispatch;
+
+ /* Emit the vertex buffer age */
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) );
+ OUT_RING( buf_priv->age );
+
+ ADVANCE_RING();
+
+ buf->pending = 1;
+ /* FIXME: Check dispatched field */
+ buf_priv->dispatched = 0;
+ }
+
+ dev_priv->sarea_priv->last_dispatch++;
+
+#if 0
+ if ( dev_priv->submit_age == R128_MAX_VB_AGE ) {
+ ret = r128_do_cce_idle( dev_priv );
+ if ( ret < 0 ) return ret;
+ dev_priv->submit_age = 0;
+ r128_freelist_reset( dev );
+ }
+#endif
+
+ sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
+ sarea_priv->nbox = 0;
+}
+
+static int r128_cce_dispatch_blit( drm_device_t *dev,
+ drm_r128_blit_t *blit )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_device_dma_t *dma = dev->dma;
+ drm_buf_t *buf;
+ drm_r128_buf_priv_t *buf_priv;
+ u32 *data;
+ int dword_shift, dwords;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ /* The compiler won't optimize away a division by a variable,
+ * even if the only legal values are powers of two. Thus, we'll
+ * use a shift instead.
+ */
+ switch ( blit->format ) {
+ case R128_DATATYPE_ARGB1555:
+ case R128_DATATYPE_RGB565:
+ case R128_DATATYPE_ARGB4444:
+ dword_shift = 1;
+ break;
+ case R128_DATATYPE_ARGB8888:
+ dword_shift = 0;
+ break;
+ default:
+ DRM_ERROR( "invalid blit format %d\n", blit->format );
+ return -EINVAL;
+ }
+
+ /* Flush the pixel cache, and mark the contents as Read Invalid.
+ * This ensures no pixel data gets mixed up with the texture
+ * data from the host data blit, otherwise part of the texture
+ * image may be corrupted.
+ */
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) );
+ OUT_RING( R128_PC_RI_GUI | R128_PC_FLUSH_GUI );
+
+ ADVANCE_RING();
+
+ /* Dispatch the indirect buffer.
+ */
+ buf = dma->buflist[blit->idx];
+ buf_priv = buf->dev_private;
+
+ if ( buf->pid != current->pid ) {
+ DRM_ERROR( "process %d using buffer owned by %d\n",
+ current->pid, buf->pid );
+ return -EINVAL;
+ }
+ if ( buf->pending ) {
+ DRM_ERROR( "sending pending buffer %d\n", blit->idx );
+ return -EINVAL;
+ }
+
+ buf_priv->discard = 1;
+
+ dwords = (blit->width * blit->height) >> dword_shift;
+
+ data = (u32 *)((char *)dev_priv->buffers->handle + buf->offset);
+
+ data[0] = CCE_PACKET3( R128_CNTL_HOSTDATA_BLT, dwords + 6 );
+ data[1] = ( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_NONE
+ | (blit->format << 8)
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_S
+ | R128_DP_SRC_SOURCE_HOST_DATA
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_AUX_CLIP_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+ data[2] = (blit->pitch << 21) | (blit->offset >> 5);
+ data[3] = 0xffffffff;
+ data[4] = 0xffffffff;
+ data[5] = (blit->y << 16) | blit->x;
+ data[6] = (blit->height << 16) | blit->width;
+ data[7] = dwords;
+
+ buf->used = (dwords + 8) * sizeof(u32);
+
+ r128_cce_dispatch_indirect( dev, buf, 0, buf->used );
+
+ /* Flush the pixel cache after the blit completes. This ensures
+ * the texture data is written out to memory before rendering
+ * continues.
+ */
+ BEGIN_RING( 2 );
+
+ OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) );
+ OUT_RING( R128_PC_FLUSH_GUI );
+
+ ADVANCE_RING();
+
+ return 0;
+}
+
+
+/* ================================================================
+ * Tiled depth buffer management
+ */
+
+static int r128_cce_dispatch_write_span( drm_device_t *dev,
+ drm_r128_depth_t *depth )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ int count, x, y;
+ u32 *buffer;
+ u8 *mask;
+ u32 depth_bpp;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ switch ( dev_priv->depth_bpp ) {
+ case 16:
+ depth_bpp = R128_GMC_DST_16BPP;
+ break;
+ case 24:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ case 32:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ count = depth->n;
+ if ( copy_from_user( &x, depth->x, sizeof(x) ) ) {
+ return -EFAULT;
+ }
+ if ( copy_from_user( &y, depth->y, sizeof(y) ) ) {
+ return -EFAULT;
+ }
+
+ buffer = kmalloc( depth->n * sizeof(u32), 0 );
+ if ( buffer == NULL )
+ return -ENOMEM;
+ if ( copy_from_user( buffer, depth->buffer,
+ depth->n * sizeof(u32) ) ) {
+ kfree( buffer );
+ return -EFAULT;
+ }
+
+ if ( depth->mask ) {
+ mask = kmalloc( depth->n * sizeof(u8), 0 );
+ if ( mask == NULL ) {
+ kfree( buffer );
+ return -ENOMEM;
+ }
+ if ( copy_from_user( mask, depth->mask,
+ depth->n * sizeof(u8) ) ) {
+ kfree( buffer );
+ kfree( mask );
+ return -EFAULT;
+ }
+
+ for ( i = 0 ; i < count ; i++, x++ ) {
+ if ( mask[i] ) {
+ BEGIN_RING( 6 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI,
+ 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | depth_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+ OUT_RING( dev_priv->depth_pitch_offset_c );
+ OUT_RING( buffer[i] );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (1 << 16) | 1 );
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree( mask );
+ } else {
+ for ( i = 0 ; i < count ; i++, x++ ) {
+ BEGIN_RING( 6 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | depth_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+ OUT_RING( dev_priv->depth_pitch_offset_c );
+ OUT_RING( buffer[i] );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (1 << 16) | 1 );
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree( buffer );
+
+ return 0;
+}
+
+static int r128_cce_dispatch_write_pixels( drm_device_t *dev,
+ drm_r128_depth_t *depth )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ int count, *x, *y;
+ u32 *buffer;
+ u8 *mask;
+ u32 depth_bpp;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ switch ( dev_priv->depth_bpp ) {
+ case 16:
+ depth_bpp = R128_GMC_DST_16BPP;
+ break;
+ case 24:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ case 32:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ count = depth->n;
+
+ x = kmalloc( count * sizeof(*x), 0 );
+ if ( x == NULL ) {
+ return -ENOMEM;
+ }
+ y = kmalloc( count * sizeof(*y), 0 );
+ if ( y == NULL ) {
+ kfree( x );
+ return -ENOMEM;
+ }
+ if ( copy_from_user( x, depth->x, count * sizeof(int) ) ) {
+ kfree( x );
+ kfree( y );
+ return -EFAULT;
+ }
+ if ( copy_from_user( y, depth->y, count * sizeof(int) ) ) {
+ kfree( x );
+ kfree( y );
+ return -EFAULT;
+ }
+
+ buffer = kmalloc( depth->n * sizeof(u32), 0 );
+ if ( buffer == NULL ) {
+ kfree( x );
+ kfree( y );
+ return -ENOMEM;
+ }
+ if ( copy_from_user( buffer, depth->buffer,
+ depth->n * sizeof(u32) ) ) {
+ kfree( x );
+ kfree( y );
+ kfree( buffer );
+ return -EFAULT;
+ }
+
+ if ( depth->mask ) {
+ mask = kmalloc( depth->n * sizeof(u8), 0 );
+ if ( mask == NULL ) {
+ kfree( x );
+ kfree( y );
+ kfree( buffer );
+ return -ENOMEM;
+ }
+ if ( copy_from_user( mask, depth->mask,
+ depth->n * sizeof(u8) ) ) {
+ kfree( x );
+ kfree( y );
+ kfree( buffer );
+ kfree( mask );
+ return -EFAULT;
+ }
+
+ for ( i = 0 ; i < count ; i++ ) {
+ if ( mask[i] ) {
+ BEGIN_RING( 6 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI,
+ 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | depth_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+ OUT_RING( dev_priv->depth_pitch_offset_c );
+ OUT_RING( buffer[i] );
+
+ OUT_RING( (x[i] << 16) | y[i] );
+ OUT_RING( (1 << 16) | 1 );
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree( mask );
+ } else {
+ for ( i = 0 ; i < count ; i++ ) {
+ BEGIN_RING( 6 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) );
+ OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_SOLID_COLOR
+ | depth_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_P
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+ OUT_RING( dev_priv->depth_pitch_offset_c );
+ OUT_RING( buffer[i] );
+
+ OUT_RING( (x[i] << 16) | y[i] );
+ OUT_RING( (1 << 16) | 1 );
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree( x );
+ kfree( y );
+ kfree( buffer );
+
+ return 0;
+}
+
+static int r128_cce_dispatch_read_span( drm_device_t *dev,
+ drm_r128_depth_t *depth )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ int count, x, y;
+ u32 depth_bpp;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ switch ( dev_priv->depth_bpp ) {
+ case 16:
+ depth_bpp = R128_GMC_DST_16BPP;
+ break;
+ case 24:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ case 32:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ count = depth->n;
+ if ( copy_from_user( &x, depth->x, sizeof(x) ) ) {
+ return -EFAULT;
+ }
+ if ( copy_from_user( &y, depth->y, sizeof(y) ) ) {
+ return -EFAULT;
+ }
+
+ BEGIN_RING( 7 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
+ OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL
+ | R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_NONE
+ | depth_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_S
+ | R128_DP_SRC_SOURCE_MEMORY
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+ OUT_RING( dev_priv->depth_pitch_offset_c );
+ OUT_RING( dev_priv->span_pitch_offset_c );
+
+ OUT_RING( (x << 16) | y );
+ OUT_RING( (0 << 16) | 0 );
+ OUT_RING( (count << 16) | 1 );
+
+ ADVANCE_RING();
+
+ return 0;
+}
+
+static int r128_cce_dispatch_read_pixels( drm_device_t *dev,
+ drm_r128_depth_t *depth )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ int count, *x, *y;
+ u32 depth_bpp;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ switch ( dev_priv->depth_bpp ) {
+ case 16:
+ depth_bpp = R128_GMC_DST_16BPP;
+ break;
+ case 24:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ case 32:
+ depth_bpp = R128_GMC_DST_32BPP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ count = depth->n;
+ if ( count > dev_priv->depth_pitch ) {
+ count = dev_priv->depth_pitch;
+ }
+
+ x = kmalloc( count * sizeof(*x), 0 );
+ if ( x == NULL ) {
+ return -ENOMEM;
+ }
+ y = kmalloc( count * sizeof(*y), 0 );
+ if ( y == NULL ) {
+ kfree( x );
+ return -ENOMEM;
+ }
+ if ( copy_from_user( x, depth->x, count * sizeof(int) ) ) {
+ kfree( x );
+ kfree( y );
+ return -EFAULT;
+ }
+ if ( copy_from_user( y, depth->y, count * sizeof(int) ) ) {
+ kfree( x );
+ kfree( y );
+ return -EFAULT;
+ }
+
+ for ( i = 0 ; i < count ; i++ ) {
+ BEGIN_RING( 7 );
+
+ OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) );
+ OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL
+ | R128_GMC_DST_PITCH_OFFSET_CNTL
+ | R128_GMC_BRUSH_NONE
+ | depth_bpp
+ | R128_GMC_SRC_DATATYPE_COLOR
+ | R128_ROP3_S
+ | R128_DP_SRC_SOURCE_MEMORY
+ | R128_GMC_CLR_CMP_CNTL_DIS
+ | R128_GMC_WR_MSK_DIS );
+
+ OUT_RING( dev_priv->depth_pitch_offset_c );
+ OUT_RING( dev_priv->span_pitch_offset_c );
+
+ OUT_RING( (x[i] << 16) | y[i] );
+ OUT_RING( (i << 16) | 0 );
+ OUT_RING( (1 << 16) | 1 );
+
+ ADVANCE_RING();
+ }
+
+ kfree( x );
+ kfree( y );
+
+ return 0;
+}
+
+
+/* ================================================================
+ * Polygon stipple
+ */
+
+static void r128_cce_dispatch_stipple( drm_device_t *dev, u32 *stipple )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ r128_update_ring_snapshot( dev_priv );
+
+ BEGIN_RING( 33 );
+
+ OUT_RING( CCE_PACKET0( R128_BRUSH_DATA0, 31 ) );
+ for ( i = 0 ; i < 32 ; i++ ) {
+ OUT_RING( stipple[i] );
+ }
+
+ ADVANCE_RING();
+}
+
+
+/* ================================================================
+ * IOCTL functions
+ */
+
+int r128_cce_clear( 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_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_r128_clear_t clear;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "r128_cce_clear called without lock held\n" );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &clear, (drm_r128_clear_t *) arg,
+ sizeof(clear) ) )
+ return -EFAULT;
+
+ if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS )
+ sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
+
+ r128_cce_dispatch_clear( dev, clear.flags,
+ clear.x, clear.y, clear.w, clear.h,
+ clear.clear_color, clear.clear_depth,
+ clear.color_mask, clear.depth_mask );
+
+ /* Make sure we restore the 3D state next time.
+ */
+ dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
+
+ return 0;
+}
+
+int r128_cce_swap( 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_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "r128_cce_swap called without lock held\n" );
+ return -EINVAL;
+ }
+
+ if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS )
+ sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
+
+ r128_cce_dispatch_swap( dev );
+
+ /* Make sure we restore the 3D state next time.
+ */
+ dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
+
+ return 0;
+}
+
+int r128_cce_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_r128_private_t *dev_priv = dev->dev_private;
+ drm_device_dma_t *dma = dev->dma;
+ drm_buf_t *buf;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_r128_vertex_t vertex;
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+ if ( !dev_priv || dev_priv->is_pci ) {
+ DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &vertex, (drm_r128_vertex_t *)arg,
+ sizeof(vertex) ) )
+ return -EFAULT;
+
+ DRM_DEBUG( "%s: pid=%d index=%d count=%d discard=%d\n",
+ __FUNCTION__, current->pid,
+ vertex.idx, vertex.count, vertex.discard );
+
+ if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) {
+ DRM_ERROR( "buffer index %d (of %d max)\n",
+ vertex.idx, dma->buf_count - 1 );
+ return -EINVAL;
+ }
+ if ( vertex.prim < 0 ||
+ vertex.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
+ DRM_ERROR( "buffer prim %d\n", vertex.prim );
+ return -EINVAL;
+ }
+
+ buf = dma->buflist[vertex.idx];
+ buf_priv = buf->dev_private;
+
+ if ( buf->pid != current->pid ) {
+ DRM_ERROR( "process %d using buffer owned by %d\n",
+ current->pid, buf->pid );
+ return -EINVAL;
+ }
+ if ( buf->pending ) {
+ DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
+ return -EINVAL;
+ }
+
+ buf->used = vertex.count;
+ buf_priv->prim = vertex.prim;
+ buf_priv->discard = vertex.discard;
+
+ r128_cce_dispatch_vertex( dev, buf );
+
+ return 0;
+}
+
+int r128_cce_indices( 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_r128_private_t *dev_priv = dev->dev_private;
+ drm_device_dma_t *dma = dev->dma;
+ drm_buf_t *buf;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_r128_indices_t elts;
+ int count;
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+ if ( !dev_priv || dev_priv->is_pci ) {
+ DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &elts, (drm_r128_indices_t *)arg,
+ sizeof(elts) ) )
+ return -EFAULT;
+
+ DRM_DEBUG( "%s: pid=%d buf=%d s=%d e=%d d=%d\n",
+ __FUNCTION__, current->pid,
+ elts.idx, elts.start, elts.end, elts.discard );
+
+ if ( elts.idx < 0 || elts.idx >= dma->buf_count ) {
+ DRM_ERROR( "buffer index %d (of %d max)\n",
+ elts.idx, dma->buf_count - 1 );
+ return -EINVAL;
+ }
+ if ( elts.prim < 0 ||
+ elts.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
+ DRM_ERROR( "buffer prim %d\n", elts.prim );
+ return -EINVAL;
+ }
+
+ buf = dma->buflist[elts.idx];
+ buf_priv = buf->dev_private;
+
+ if ( buf->pid != current->pid ) {
+ DRM_ERROR( "process %d using buffer owned by %d\n",
+ current->pid, buf->pid );
+ return -EINVAL;
+ }
+ if ( buf->pending ) {
+ DRM_ERROR( "sending pending buffer %d\n", elts.idx );
+ return -EINVAL;
+ }
+
+ count = (elts.end - elts.start) / sizeof(u16);
+ elts.start -= R128_INDEX_PRIM_OFFSET;
+
+ if ( elts.start & 0x7 ) {
+ DRM_ERROR( "misaligned buffer 0x%x\n", elts.start );
+ return -EINVAL;
+ }
+ if ( elts.start < buf->used ) {
+ DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used );
+ return -EINVAL;
+ }
+
+ buf->used = elts.end;
+ buf_priv->prim = elts.prim;
+ buf_priv->discard = elts.discard;
+
+ r128_cce_dispatch_indices( dev, buf, elts.start, elts.end, count );
+
+ return 0;
+}
+
+int r128_cce_blit( 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_r128_blit_t blit;
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &blit, (drm_r128_blit_t *)arg,
+ sizeof(blit) ) )
+ return -EFAULT;
+
+ DRM_DEBUG( "%s: pid=%d index=%d\n",
+ __FUNCTION__, current->pid, blit.idx );
+
+ if ( blit.idx < 0 || blit.idx >= dma->buf_count ) {
+ DRM_ERROR( "buffer index %d (of %d max)\n",
+ blit.idx, dma->buf_count - 1 );
+ return -EINVAL;
+ }
+
+ return r128_cce_dispatch_blit( dev, &blit );
+}
+
+int r128_cce_depth( 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_r128_depth_t depth;
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &depth, (drm_r128_depth_t *)arg,
+ sizeof(depth) ) )
+ return -EFAULT;
+
+ switch ( depth.func ) {
+ case R128_WRITE_SPAN:
+ return r128_cce_dispatch_write_span( dev, &depth );
+ case R128_WRITE_PIXELS:
+ return r128_cce_dispatch_write_pixels( dev, &depth );
+ case R128_READ_SPAN:
+ return r128_cce_dispatch_read_span( dev, &depth );
+ case R128_READ_PIXELS:
+ return r128_cce_dispatch_read_pixels( dev, &depth );
+ }
+
+ return -EINVAL;
+}
+
+int r128_cce_stipple( 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_r128_stipple_t stipple;
+ u32 mask[32];
+
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
+ dev->lock.pid != current->pid ) {
+ DRM_ERROR( "%s called without lock held\n", __FUNCTION__ );
+ return -EINVAL;
+ }
+
+ if ( copy_from_user( &stipple, (drm_r128_stipple_t *)arg,
+ sizeof(stipple) ) )
+ return -EFAULT;
+
+ if ( copy_from_user( &mask, stipple.mask,
+ 32 * sizeof(u32) ) )
+ return -EFAULT;
+
+ r128_cce_dispatch_stipple( dev, mask );
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 21:18:36 +0000