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path: root/drivers/char/drm/r128_cce.c
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Diffstat (limited to 'drivers/char/drm/r128_cce.c')
-rw-r--r--drivers/char/drm/r128_cce.c590
1 files changed, 295 insertions, 295 deletions
diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c
index ac3ea2b..7452753 100644
--- a/drivers/char/drm/r128_cce.c
+++ b/drivers/char/drm/r128_cce.c
@@ -80,7 +80,7 @@ static u32 r128_cce_microcode[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
-static int R128_READ_PLL(drm_device_t *dev, int addr)
+static int R128_READ_PLL(drm_device_t * dev, int addr)
{
drm_r128_private_t *dev_priv = dev->dev_private;
@@ -89,106 +89,105 @@ static int R128_READ_PLL(drm_device_t *dev, int addr)
}
#if R128_FIFO_DEBUG
-static void r128_status( drm_r128_private_t *dev_priv )
+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 ) );
+ 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));
}
#endif
-
/* ================================================================
* Engine, FIFO control
*/
-static int r128_do_pixcache_flush( drm_r128_private_t *dev_priv )
+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 );
+ 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) ) {
+ for (i = 0; i < dev_priv->usec_timeout; i++) {
+ if (!(R128_READ(R128_PC_NGUI_CTLSTAT) & R128_PC_BUSY)) {
return 0;
}
- DRM_UDELAY( 1 );
+ DRM_UDELAY(1);
}
#if R128_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
+ DRM_ERROR("failed!\n");
#endif
return DRM_ERR(EBUSY);
}
-static int r128_do_wait_for_fifo( drm_r128_private_t *dev_priv, int entries )
+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;
- DRM_UDELAY( 1 );
+ 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;
+ DRM_UDELAY(1);
}
#if R128_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
+ DRM_ERROR("failed!\n");
#endif
return DRM_ERR(EBUSY);
}
-static int r128_do_wait_for_idle( drm_r128_private_t *dev_priv )
+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;
+ 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 );
+ 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;
}
- DRM_UDELAY( 1 );
+ DRM_UDELAY(1);
}
#if R128_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
+ DRM_ERROR("failed!\n");
#endif
return DRM_ERR(EBUSY);
}
-
/* ================================================================
* CCE control, initialization
*/
/* Load the microcode for the CCE */
-static void r128_cce_load_microcode( drm_r128_private_t *dev_priv )
+static void r128_cce_load_microcode(drm_r128_private_t * dev_priv)
{
int i;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- r128_do_wait_for_idle( dev_priv );
+ 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] );
+ 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]);
}
}
@@ -196,51 +195,51 @@ static void r128_cce_load_microcode( drm_r128_private_t *dev_priv )
* 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 )
+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 );
+ 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.
*/
-int r128_do_cce_idle( drm_r128_private_t *dev_priv )
+int r128_do_cce_idle(drm_r128_private_t * dev_priv)
{
int i;
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- if ( GET_RING_HEAD( dev_priv ) == 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 );
+ for (i = 0; i < dev_priv->usec_timeout; i++) {
+ if (GET_RING_HEAD(dev_priv) == 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);
}
}
- DRM_UDELAY( 1 );
+ DRM_UDELAY(1);
}
#if R128_FIFO_DEBUG
- DRM_ERROR( "failed!\n" );
- r128_status( dev_priv );
+ DRM_ERROR("failed!\n");
+ r128_status(dev_priv);
#endif
return DRM_ERR(EBUSY);
}
/* Start the Concurrent Command Engine.
*/
-static void r128_do_cce_start( drm_r128_private_t *dev_priv )
+static void r128_do_cce_start(drm_r128_private_t * dev_priv)
{
- r128_do_wait_for_idle( 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_PM4_BUFFER_CNTL_NOUPDATE );
- R128_READ( R128_PM4_BUFFER_ADDR ); /* as per the sample code */
- R128_WRITE( R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN );
+ R128_WRITE(R128_PM4_BUFFER_CNTL,
+ dev_priv->cce_mode | dev_priv->ring.size_l2qw
+ | R128_PM4_BUFFER_CNTL_NOUPDATE);
+ 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;
}
@@ -249,10 +248,10 @@ static void r128_do_cce_start( drm_r128_private_t *dev_priv )
* commands, 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 )
+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 );
+ R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0);
+ R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0);
dev_priv->ring.tail = 0;
}
@@ -260,122 +259,120 @@ static void r128_do_cce_reset( drm_r128_private_t *dev_priv )
* commands, 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 )
+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 | R128_PM4_BUFFER_CNTL_NOUPDATE );
+ R128_WRITE(R128_PM4_MICRO_CNTL, 0);
+ R128_WRITE(R128_PM4_BUFFER_CNTL,
+ R128_PM4_NONPM4 | R128_PM4_BUFFER_CNTL_NOUPDATE);
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 )
+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 );
+ r128_do_pixcache_flush(dev_priv);
- clock_cntl_index = R128_READ( R128_CLOCK_CNTL_INDEX );
- mclk_cntl = R128_READ_PLL( dev, R128_MCLK_CNTL );
+ 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 );
+ R128_WRITE_PLL(R128_MCLK_CNTL,
+ mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP);
- gen_reset_cntl = R128_READ( R128_GEN_RESET_CNTL );
+ 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(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 );
+ 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 );
+ 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 );
+ r128_freelist_reset(dev);
return 0;
}
-static void r128_cce_init_ring_buffer( drm_device_t *dev,
- drm_r128_private_t *dev_priv )
+static void r128_cce_init_ring_buffer(drm_device_t * dev,
+ drm_r128_private_t * dev_priv)
{
u32 ring_start;
u32 tmp;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
/* The manual (p. 2) says this address is in "VM space". This
* means it's an offset from the start of AGP space.
*/
#if __OS_HAS_AGP
- if ( !dev_priv->is_pci )
+ if (!dev_priv->is_pci)
ring_start = dev_priv->cce_ring->offset - dev->agp->base;
else
#endif
- ring_start = dev_priv->cce_ring->offset -
- (unsigned long)dev->sg->virtual;
+ ring_start = dev_priv->cce_ring->offset -
+ (unsigned long)dev->sg->virtual;
- R128_WRITE( R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET );
+ 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 );
+ R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0);
+ R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0);
/* 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) );
+ 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 );
+ 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 );
+ 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 )
+static int r128_do_init_cce(drm_device_t * dev, drm_r128_init_t * init)
{
drm_r128_private_t *dev_priv;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- dev_priv = drm_alloc( sizeof(drm_r128_private_t), DRM_MEM_DRIVER );
- if ( dev_priv == NULL )
+ dev_priv = drm_alloc(sizeof(drm_r128_private_t), DRM_MEM_DRIVER);
+ if (dev_priv == NULL)
return DRM_ERR(ENOMEM);
- memset( dev_priv, 0, sizeof(drm_r128_private_t) );
+ memset(dev_priv, 0, sizeof(drm_r128_private_t));
dev_priv->is_pci = init->is_pci;
- if ( dev_priv->is_pci && !dev->sg ) {
- DRM_ERROR( "PCI GART memory not allocated!\n" );
+ if (dev_priv->is_pci && !dev->sg) {
+ DRM_ERROR("PCI GART memory not allocated!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
dev_priv->usec_timeout = init->usec_timeout;
- if ( dev_priv->usec_timeout < 1 ||
- dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT ) {
- DRM_DEBUG( "TIMEOUT problem!\n" );
+ if (dev_priv->usec_timeout < 1 ||
+ dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT) {
+ DRM_DEBUG("TIMEOUT problem!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
@@ -383,23 +380,23 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
/* GH: Simple idle check.
*/
- atomic_set( &dev_priv->idle_count, 0 );
+ 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_DEBUG( "Bad cce_mode!\n" );
+ 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_DEBUG("Bad cce_mode!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
- switch ( init->cce_mode ) {
+ switch (init->cce_mode) {
case R128_PM4_NONPM4:
dev_priv->cce_fifo_size = 0;
break;
@@ -420,7 +417,7 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
break;
}
- switch ( init->fb_bpp ) {
+ switch (init->fb_bpp) {
case 16:
dev_priv->color_fmt = R128_DATATYPE_RGB565;
break;
@@ -429,12 +426,12 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
dev_priv->color_fmt = R128_DATATYPE_ARGB8888;
break;
}
- 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->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;
- switch ( init->depth_bpp ) {
+ switch (init->depth_bpp) {
case 16:
dev_priv->depth_fmt = R128_DATATYPE_RGB565;
break;
@@ -444,131 +441,130 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
dev_priv->depth_fmt = R128_DATATYPE_ARGB8888;
break;
}
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->depth_pitch = init->depth_pitch;
- dev_priv->span_offset = init->span_offset;
+ 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_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_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_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_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) |
(dev_priv->span_offset >> 5));
DRM_GETSAREA();
-
- if(!dev_priv->sarea) {
+
+ if (!dev_priv->sarea) {
DRM_ERROR("could not find sarea!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
- if(!dev_priv->mmio) {
+ if (!dev_priv->mmio) {
DRM_ERROR("could not find mmio region!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
dev_priv->cce_ring = drm_core_findmap(dev, init->ring_offset);
- if(!dev_priv->cce_ring) {
+ if (!dev_priv->cce_ring) {
DRM_ERROR("could not find cce ring region!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
- if(!dev_priv->ring_rptr) {
+ if (!dev_priv->ring_rptr) {
DRM_ERROR("could not find ring read pointer!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
dev->agp_buffer_token = init->buffers_offset;
dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
- if(!dev->agp_buffer_map) {
+ if (!dev->agp_buffer_map) {
DRM_ERROR("could not find dma buffer region!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
- if ( !dev_priv->is_pci ) {
- dev_priv->agp_textures = drm_core_findmap(dev, init->agp_textures_offset);
- if(!dev_priv->agp_textures) {
+ if (!dev_priv->is_pci) {
+ dev_priv->agp_textures =
+ drm_core_findmap(dev, init->agp_textures_offset);
+ if (!dev_priv->agp_textures) {
DRM_ERROR("could not find agp texture region!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(EINVAL);
}
}
dev_priv->sarea_priv =
- (drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle +
- init->sarea_priv_offset);
+ (drm_r128_sarea_t *) ((u8 *) dev_priv->sarea->handle +
+ init->sarea_priv_offset);
#if __OS_HAS_AGP
- if ( !dev_priv->is_pci ) {
- drm_core_ioremap( dev_priv->cce_ring, dev );
- drm_core_ioremap( dev_priv->ring_rptr, dev );
- drm_core_ioremap( dev->agp_buffer_map, dev );
- if(!dev_priv->cce_ring->handle ||
- !dev_priv->ring_rptr->handle ||
- !dev->agp_buffer_map->handle) {
+ if (!dev_priv->is_pci) {
+ drm_core_ioremap(dev_priv->cce_ring, dev);
+ drm_core_ioremap(dev_priv->ring_rptr, dev);
+ drm_core_ioremap(dev->agp_buffer_map, dev);
+ if (!dev_priv->cce_ring->handle ||
+ !dev_priv->ring_rptr->handle ||
+ !dev->agp_buffer_map->handle) {
DRM_ERROR("Could not ioremap agp regions!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(ENOMEM);
}
} else
#endif
{
- dev_priv->cce_ring->handle =
- (void *)dev_priv->cce_ring->offset;
+ dev_priv->cce_ring->handle = (void *)dev_priv->cce_ring->offset;
dev_priv->ring_rptr->handle =
- (void *)dev_priv->ring_rptr->offset;
- dev->agp_buffer_map->handle = (void *)dev->agp_buffer_map->offset;
+ (void *)dev_priv->ring_rptr->offset;
+ dev->agp_buffer_map->handle =
+ (void *)dev->agp_buffer_map->offset;
}
#if __OS_HAS_AGP
- if ( !dev_priv->is_pci )
+ if (!dev_priv->is_pci)
dev_priv->cce_buffers_offset = dev->agp->base;
else
#endif
dev_priv->cce_buffers_offset = (unsigned long)dev->sg->virtual;
- dev_priv->ring.start = (u32 *)dev_priv->cce_ring->handle;
- dev_priv->ring.end = ((u32 *)dev_priv->cce_ring->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.size_l2qw = drm_order(init->ring_size / 8);
- dev_priv->ring.tail_mask =
- (dev_priv->ring.size / sizeof(u32)) - 1;
+ dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
dev_priv->ring.high_mark = 128;
dev_priv->sarea_priv->last_frame = 0;
- R128_WRITE( R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame );
+ 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_WRITE(R128_LAST_DISPATCH_REG, dev_priv->sarea_priv->last_dispatch);
#if __OS_HAS_AGP
- if ( dev_priv->is_pci ) {
+ if (dev_priv->is_pci) {
#endif
dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN;
dev_priv->gart_info.addr = dev_priv->gart_info.bus_addr = 0;
- dev_priv->gart_info.is_pcie = 0;
+ dev_priv->gart_info.is_pcie = 0;
if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
- DRM_ERROR( "failed to init PCI GART!\n" );
+ DRM_ERROR("failed to init PCI GART!\n");
dev->dev_private = (void *)dev_priv;
- r128_do_cleanup_cce( dev );
+ r128_do_cleanup_cce(dev);
return DRM_ERR(ENOMEM);
}
R128_WRITE(R128_PCI_GART_PAGE, dev_priv->gart_info.bus_addr);
@@ -576,88 +572,92 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
}
#endif
- r128_cce_init_ring_buffer( dev, dev_priv );
- r128_cce_load_microcode( dev_priv );
+ r128_cce_init_ring_buffer(dev, dev_priv);
+ r128_cce_load_microcode(dev_priv);
dev->dev_private = (void *)dev_priv;
- r128_do_engine_reset( dev );
+ r128_do_engine_reset(dev);
return 0;
}
-int r128_do_cleanup_cce( drm_device_t *dev )
+int r128_do_cleanup_cce(drm_device_t * dev)
{
/* Make sure interrupts are disabled here because the uninstall ioctl
* may not have been called from userspace and after dev_private
* is freed, it's too late.
*/
- if ( dev->irq_enabled ) drm_irq_uninstall(dev);
+ if (dev->irq_enabled)
+ drm_irq_uninstall(dev);
- if ( dev->dev_private ) {
+ if (dev->dev_private) {
drm_r128_private_t *dev_priv = dev->dev_private;
#if __OS_HAS_AGP
- if ( !dev_priv->is_pci ) {
- if ( dev_priv->cce_ring != NULL )
- drm_core_ioremapfree( dev_priv->cce_ring, dev );
- if ( dev_priv->ring_rptr != NULL )
- drm_core_ioremapfree( dev_priv->ring_rptr, dev );
- if ( dev->agp_buffer_map != NULL )
- drm_core_ioremapfree( dev->agp_buffer_map, dev );
+ if (!dev_priv->is_pci) {
+ if (dev_priv->cce_ring != NULL)
+ drm_core_ioremapfree(dev_priv->cce_ring, dev);
+ if (dev_priv->ring_rptr != NULL)
+ drm_core_ioremapfree(dev_priv->ring_rptr, dev);
+ if (dev->agp_buffer_map != NULL)
+ drm_core_ioremapfree(dev->agp_buffer_map, dev);
} else
#endif
{
- if (dev_priv->gart_info.bus_addr)
- if (!drm_ati_pcigart_cleanup( dev,
- &dev_priv->gart_info))
- DRM_ERROR( "failed to cleanup PCI GART!\n" );
+ if (dev_priv->gart_info.bus_addr)
+ if (!drm_ati_pcigart_cleanup(dev,
+ &dev_priv->
+ gart_info))
+ DRM_ERROR
+ ("failed to cleanup PCI GART!\n");
}
- drm_free( dev->dev_private, sizeof(drm_r128_private_t),
- DRM_MEM_DRIVER );
+ drm_free(dev->dev_private, sizeof(drm_r128_private_t),
+ DRM_MEM_DRIVER);
dev->dev_private = NULL;
}
return 0;
}
-int r128_cce_init( DRM_IOCTL_ARGS )
+int r128_cce_init(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_init_t init;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- DRM_COPY_FROM_USER_IOCTL( init, (drm_r128_init_t __user *)data, sizeof(init) );
+ DRM_COPY_FROM_USER_IOCTL(init, (drm_r128_init_t __user *) data,
+ sizeof(init));
- switch ( init.func ) {
+ switch (init.func) {
case R128_INIT_CCE:
- return r128_do_init_cce( dev, &init );
+ return r128_do_init_cce(dev, &init);
case R128_CLEANUP_CCE:
- return r128_do_cleanup_cce( dev );
+ return r128_do_cleanup_cce(dev);
}
return DRM_ERR(EINVAL);
}
-int r128_cce_start( DRM_IOCTL_ARGS )
+int r128_cce_start(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- if ( dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4 ) {
- DRM_DEBUG( "%s while CCE running\n", __FUNCTION__ );
+ 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 );
+ r128_do_cce_start(dev_priv);
return 0;
}
@@ -665,61 +665,63 @@ int r128_cce_start( DRM_IOCTL_ARGS )
/* Stop the CCE. The engine must have been idled before calling this
* routine.
*/
-int r128_cce_stop( DRM_IOCTL_ARGS )
+int r128_cce_stop(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_cce_stop_t stop;
int ret;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- DRM_COPY_FROM_USER_IOCTL(stop, (drm_r128_cce_stop_t __user *)data, sizeof(stop) );
+ DRM_COPY_FROM_USER_IOCTL(stop, (drm_r128_cce_stop_t __user *) data,
+ sizeof(stop));
/* 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 (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 ) return ret;
+ if (stop.idle) {
+ ret = r128_do_cce_idle(dev_priv);
+ if (ret)
+ 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 );
+ r128_do_cce_stop(dev_priv);
/* Reset the engine */
- r128_do_engine_reset( dev );
+ 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( DRM_IOCTL_ARGS )
+int r128_cce_reset(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- if ( !dev_priv ) {
- DRM_DEBUG( "%s called before init done\n", __FUNCTION__ );
+ if (!dev_priv) {
+ DRM_DEBUG("%s called before init done\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
- r128_do_cce_reset( dev_priv );
+ r128_do_cce_reset(dev_priv);
/* The CCE is no longer running after an engine reset */
dev_priv->cce_running = 0;
@@ -727,37 +729,36 @@ int r128_cce_reset( DRM_IOCTL_ARGS )
return 0;
}
-int r128_cce_idle( DRM_IOCTL_ARGS )
+int r128_cce_idle(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- if ( dev_priv->cce_running ) {
- r128_do_cce_flush( dev_priv );
+ if (dev_priv->cce_running) {
+ r128_do_cce_flush(dev_priv);
}
- return r128_do_cce_idle( dev_priv );
+ return r128_do_cce_idle(dev_priv);
}
-int r128_engine_reset( DRM_IOCTL_ARGS )
+int r128_engine_reset(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- return r128_do_engine_reset( dev );
+ return r128_do_engine_reset(dev);
}
-int r128_fullscreen( DRM_IOCTL_ARGS )
+int r128_fullscreen(DRM_IOCTL_ARGS)
{
return DRM_ERR(EINVAL);
}
-
/* ================================================================
* Freelist management
*/
@@ -765,7 +766,7 @@ int r128_fullscreen( DRM_IOCTL_ARGS )
#define R128_BUFFER_FREE 0
#if 0
-static int r128_freelist_init( drm_device_t *dev )
+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;
@@ -774,27 +775,26 @@ static int r128_freelist_init( drm_device_t *dev )
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 )
+ dev_priv->head = drm_alloc(sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER);
+ if (dev_priv->head == NULL)
return DRM_ERR(ENOMEM);
- memset( dev_priv->head, 0, sizeof(drm_r128_freelist_t) );
+ 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++ ) {
+ 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 DRM_ERR(ENOMEM);
+ entry = drm_alloc(sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER);
+ if (!entry)
+ return DRM_ERR(ENOMEM);
entry->age = R128_BUFFER_FREE;
entry->buf = buf;
entry->prev = dev_priv->head;
entry->next = dev_priv->head->next;
- if ( !entry->next )
+ if (!entry->next)
dev_priv->tail = entry;
buf_priv->discard = 0;
@@ -803,7 +803,7 @@ static int r128_freelist_init( drm_device_t *dev )
dev_priv->head->next = entry;
- if ( dev_priv->head->next )
+ if (dev_priv->head->next)
dev_priv->head->next->prev = entry;
}
@@ -812,7 +812,7 @@ static int r128_freelist_init( drm_device_t *dev )
}
#endif
-static drm_buf_t *r128_freelist_get( drm_device_t *dev )
+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;
@@ -822,20 +822,20 @@ static drm_buf_t *r128_freelist_get( drm_device_t *dev )
/* FIXME: Optimize -- use freelist code */
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
+ for (i = 0; i < dma->buf_count; i++) {
buf = dma->buflist[i];
buf_priv = buf->dev_private;
- if ( buf->filp == 0 )
+ if (buf->filp == 0)
return buf;
}
- for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) {
- u32 done_age = R128_READ( R128_LAST_DISPATCH_REG );
+ 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++ ) {
+ 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 ) {
+ if (buf->pending && buf_priv->age <= done_age) {
/* The buffer has been processed, so it
* can now be used.
*/
@@ -843,63 +843,63 @@ static drm_buf_t *r128_freelist_get( drm_device_t *dev )
return buf;
}
}
- DRM_UDELAY( 1 );
+ DRM_UDELAY(1);
}
- DRM_DEBUG( "returning NULL!\n" );
+ DRM_DEBUG("returning NULL!\n");
return NULL;
}
-void r128_freelist_reset( drm_device_t *dev )
+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++ ) {
+ 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 command submission
*/
-int r128_wait_ring( drm_r128_private_t *dev_priv, int n )
+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++ ) {
- r128_update_ring_snapshot( dev_priv );
- if ( ring->space >= n )
+ for (i = 0; i < dev_priv->usec_timeout; i++) {
+ r128_update_ring_snapshot(dev_priv);
+ if (ring->space >= n)
return 0;
- DRM_UDELAY( 1 );
+ DRM_UDELAY(1);
}
/* FIXME: This is being ignored... */
- DRM_ERROR( "failed!\n" );
+ DRM_ERROR("failed!\n");
return DRM_ERR(EBUSY);
}
-static int r128_cce_get_buffers( DRMFILE filp, drm_device_t *dev, drm_dma_t *d )
+static int r128_cce_get_buffers(DRMFILE filp, 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 DRM_ERR(EAGAIN);
+ for (i = d->granted_count; i < d->request_count; i++) {
+ buf = r128_freelist_get(dev);
+ if (!buf)
+ return DRM_ERR(EAGAIN);
buf->filp = filp;
- if ( DRM_COPY_TO_USER( &d->request_indices[i], &buf->idx,
- sizeof(buf->idx) ) )
+ if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
+ sizeof(buf->idx)))
return DRM_ERR(EFAULT);
- if ( DRM_COPY_TO_USER( &d->request_sizes[i], &buf->total,
- sizeof(buf->total) ) )
+ if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
+ sizeof(buf->total)))
return DRM_ERR(EFAULT);
d->granted_count++;
@@ -907,7 +907,7 @@ static int r128_cce_get_buffers( DRMFILE filp, drm_device_t *dev, drm_dma_t *d )
return 0;
}
-int r128_cce_buffers( DRM_IOCTL_ARGS )
+int r128_cce_buffers(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_device_dma_t *dma = dev->dma;
@@ -915,33 +915,33 @@ int r128_cce_buffers( DRM_IOCTL_ARGS )
drm_dma_t __user *argp = (void __user *)data;
drm_dma_t d;
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- DRM_COPY_FROM_USER_IOCTL( d, argp, sizeof(d) );
+ DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d));
/* Please don't send us buffers.
*/
- if ( d.send_count != 0 ) {
- DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
- DRM_CURRENTPID, d.send_count );
+ if (d.send_count != 0) {
+ DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
+ DRM_CURRENTPID, d.send_count);
return DRM_ERR(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",
- DRM_CURRENTPID, d.request_count, dma->buf_count );
+ if (d.request_count < 0 || d.request_count > dma->buf_count) {
+ DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
+ DRM_CURRENTPID, d.request_count, dma->buf_count);
return DRM_ERR(EINVAL);
}
d.granted_count = 0;
- if ( d.request_count ) {
- ret = r128_cce_get_buffers( filp, dev, &d );
+ if (d.request_count) {
+ ret = r128_cce_get_buffers(filp, dev, &d);
}
- DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d) );
+ DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d));
return ret;
}
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