diff options
Diffstat (limited to 'drivers/char/drm/r128_cce.c')
| -rw-r--r-- | drivers/char/drm/r128_cce.c | 590 |
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; } |
