diff options
Diffstat (limited to 'drivers/gpu/drm/mga/mga_drv.h')
-rw-r--r-- | drivers/gpu/drm/mga/mga_drv.h | 187 |
1 files changed, 91 insertions, 96 deletions
diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h index be6c6b9b0e8..1084fa4d261 100644 --- a/drivers/gpu/drm/mga/mga_drv.h +++ b/drivers/gpu/drm/mga/mga_drv.h @@ -164,59 +164,59 @@ extern int mga_dma_reset(struct drm_device *dev, void *data, extern int mga_dma_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int mga_driver_load(struct drm_device *dev, unsigned long flags); -extern int mga_driver_unload(struct drm_device * dev); -extern void mga_driver_lastclose(struct drm_device * dev); -extern int mga_driver_dma_quiescent(struct drm_device * dev); +extern int mga_driver_unload(struct drm_device *dev); +extern void mga_driver_lastclose(struct drm_device *dev); +extern int mga_driver_dma_quiescent(struct drm_device *dev); -extern int mga_do_wait_for_idle(drm_mga_private_t * dev_priv); +extern int mga_do_wait_for_idle(drm_mga_private_t *dev_priv); -extern void mga_do_dma_flush(drm_mga_private_t * dev_priv); -extern void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv); -extern void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv); +extern void mga_do_dma_flush(drm_mga_private_t *dev_priv); +extern void mga_do_dma_wrap_start(drm_mga_private_t *dev_priv); +extern void mga_do_dma_wrap_end(drm_mga_private_t *dev_priv); -extern int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf); +extern int mga_freelist_put(struct drm_device *dev, struct drm_buf *buf); /* mga_warp.c */ -extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv); -extern int mga_warp_init(drm_mga_private_t * dev_priv); +extern int mga_warp_install_microcode(drm_mga_private_t *dev_priv); +extern int mga_warp_init(drm_mga_private_t *dev_priv); /* mga_irq.c */ extern int mga_enable_vblank(struct drm_device *dev, int crtc); extern void mga_disable_vblank(struct drm_device *dev, int crtc); extern u32 mga_get_vblank_counter(struct drm_device *dev, int crtc); -extern int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence); -extern int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence); +extern int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence); +extern int mga_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence); extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS); -extern void mga_driver_irq_preinstall(struct drm_device * dev); +extern void mga_driver_irq_preinstall(struct drm_device *dev); extern int mga_driver_irq_postinstall(struct drm_device *dev); -extern void mga_driver_irq_uninstall(struct drm_device * dev); +extern void mga_driver_irq_uninstall(struct drm_device *dev); extern long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); #define mga_flush_write_combine() DRM_WRITEMEMORYBARRIER() #if defined(__linux__) && defined(__alpha__) -#define MGA_BASE( reg ) ((unsigned long)(dev_priv->mmio->handle)) -#define MGA_ADDR( reg ) (MGA_BASE(reg) + reg) +#define MGA_BASE(reg) ((unsigned long)(dev_priv->mmio->handle)) +#define MGA_ADDR(reg) (MGA_BASE(reg) + reg) -#define MGA_DEREF( reg ) *(volatile u32 *)MGA_ADDR( reg ) -#define MGA_DEREF8( reg ) *(volatile u8 *)MGA_ADDR( reg ) +#define MGA_DEREF(reg) (*(volatile u32 *)MGA_ADDR(reg)) +#define MGA_DEREF8(reg) (*(volatile u8 *)MGA_ADDR(reg)) -#define MGA_READ( reg ) (_MGA_READ((u32 *)MGA_ADDR(reg))) -#define MGA_READ8( reg ) (_MGA_READ((u8 *)MGA_ADDR(reg))) -#define MGA_WRITE( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0) -#define MGA_WRITE8( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0) +#define MGA_READ(reg) (_MGA_READ((u32 *)MGA_ADDR(reg))) +#define MGA_READ8(reg) (_MGA_READ((u8 *)MGA_ADDR(reg))) +#define MGA_WRITE(reg, val) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF(reg) = val; } while (0) +#define MGA_WRITE8(reg, val) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8(reg) = val; } while (0) -static inline u32 _MGA_READ(u32 * addr) +static inline u32 _MGA_READ(u32 *addr) { DRM_MEMORYBARRIER(); return *(volatile u32 *)addr; } #else -#define MGA_READ8( reg ) DRM_READ8(dev_priv->mmio, (reg)) -#define MGA_READ( reg ) DRM_READ32(dev_priv->mmio, (reg)) -#define MGA_WRITE8( reg, val ) DRM_WRITE8(dev_priv->mmio, (reg), (val)) -#define MGA_WRITE( reg, val ) DRM_WRITE32(dev_priv->mmio, (reg), (val)) +#define MGA_READ8(reg) DRM_READ8(dev_priv->mmio, (reg)) +#define MGA_READ(reg) DRM_READ32(dev_priv->mmio, (reg)) +#define MGA_WRITE8(reg, val) DRM_WRITE8(dev_priv->mmio, (reg), (val)) +#define MGA_WRITE(reg, val) DRM_WRITE32(dev_priv->mmio, (reg), (val)) #endif #define DWGREG0 0x1c00 @@ -233,40 +233,39 @@ static inline u32 _MGA_READ(u32 * addr) * Helper macross... */ -#define MGA_EMIT_STATE( dev_priv, dirty ) \ +#define MGA_EMIT_STATE(dev_priv, dirty) \ do { \ - if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) { \ - if ( dev_priv->chipset >= MGA_CARD_TYPE_G400 ) { \ - mga_g400_emit_state( dev_priv ); \ - } else { \ - mga_g200_emit_state( dev_priv ); \ - } \ + if ((dirty) & ~MGA_UPLOAD_CLIPRECTS) { \ + if (dev_priv->chipset >= MGA_CARD_TYPE_G400) \ + mga_g400_emit_state(dev_priv); \ + else \ + mga_g200_emit_state(dev_priv); \ } \ } while (0) -#define WRAP_TEST_WITH_RETURN( dev_priv ) \ +#define WRAP_TEST_WITH_RETURN(dev_priv) \ do { \ - if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \ - if ( mga_is_idle( dev_priv ) ) { \ - mga_do_dma_wrap_end( dev_priv ); \ - } else if ( dev_priv->prim.space < \ - dev_priv->prim.high_mark ) { \ - if ( MGA_DMA_DEBUG ) \ - DRM_INFO( "wrap...\n"); \ - return -EBUSY; \ + if (test_bit(0, &dev_priv->prim.wrapped)) { \ + if (mga_is_idle(dev_priv)) { \ + mga_do_dma_wrap_end(dev_priv); \ + } else if (dev_priv->prim.space < \ + dev_priv->prim.high_mark) { \ + if (MGA_DMA_DEBUG) \ + DRM_INFO("wrap...\n"); \ + return -EBUSY; \ } \ } \ } while (0) -#define WRAP_WAIT_WITH_RETURN( dev_priv ) \ +#define WRAP_WAIT_WITH_RETURN(dev_priv) \ do { \ - if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \ - if ( mga_do_wait_for_idle( dev_priv ) < 0 ) { \ - if ( MGA_DMA_DEBUG ) \ - DRM_INFO( "wrap...\n"); \ - return -EBUSY; \ + if (test_bit(0, &dev_priv->prim.wrapped)) { \ + if (mga_do_wait_for_idle(dev_priv) < 0) { \ + if (MGA_DMA_DEBUG) \ + DRM_INFO("wrap...\n"); \ + return -EBUSY; \ } \ - mga_do_dma_wrap_end( dev_priv ); \ + mga_do_dma_wrap_end(dev_priv); \ } \ } while (0) @@ -280,12 +279,12 @@ do { \ #define DMA_BLOCK_SIZE (5 * sizeof(u32)) -#define BEGIN_DMA( n ) \ +#define BEGIN_DMA(n) \ do { \ - if ( MGA_VERBOSE ) { \ - DRM_INFO( "BEGIN_DMA( %d )\n", (n) ); \ - DRM_INFO( " space=0x%x req=0x%Zx\n", \ - dev_priv->prim.space, (n) * DMA_BLOCK_SIZE ); \ + if (MGA_VERBOSE) { \ + DRM_INFO("BEGIN_DMA(%d)\n", (n)); \ + DRM_INFO(" space=0x%x req=0x%Zx\n", \ + dev_priv->prim.space, (n) * DMA_BLOCK_SIZE); \ } \ prim = dev_priv->prim.start; \ write = dev_priv->prim.tail; \ @@ -293,9 +292,9 @@ do { \ #define BEGIN_DMA_WRAP() \ do { \ - if ( MGA_VERBOSE ) { \ - DRM_INFO( "BEGIN_DMA()\n" ); \ - DRM_INFO( " space=0x%x\n", dev_priv->prim.space ); \ + if (MGA_VERBOSE) { \ + DRM_INFO("BEGIN_DMA()\n"); \ + DRM_INFO(" space=0x%x\n", dev_priv->prim.space); \ } \ prim = dev_priv->prim.start; \ write = dev_priv->prim.tail; \ @@ -304,72 +303,68 @@ do { \ #define ADVANCE_DMA() \ do { \ dev_priv->prim.tail = write; \ - if ( MGA_VERBOSE ) { \ - DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \ - write, dev_priv->prim.space ); \ - } \ + if (MGA_VERBOSE) \ + DRM_INFO("ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \ + write, dev_priv->prim.space); \ } while (0) #define FLUSH_DMA() \ do { \ - if ( 0 ) { \ - DRM_INFO( "\n" ); \ - DRM_INFO( " tail=0x%06x head=0x%06lx\n", \ - dev_priv->prim.tail, \ - (unsigned long)(MGA_READ(MGA_PRIMADDRESS) - \ - dev_priv->primary->offset)); \ + if (0) { \ + DRM_INFO("\n"); \ + DRM_INFO(" tail=0x%06x head=0x%06lx\n", \ + dev_priv->prim.tail, \ + (unsigned long)(MGA_READ(MGA_PRIMADDRESS) - \ + dev_priv->primary->offset)); \ } \ - if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) { \ - if ( dev_priv->prim.space < \ - dev_priv->prim.high_mark ) { \ - mga_do_dma_wrap_start( dev_priv ); \ - } else { \ - mga_do_dma_flush( dev_priv ); \ - } \ + if (!test_bit(0, &dev_priv->prim.wrapped)) { \ + if (dev_priv->prim.space < dev_priv->prim.high_mark) \ + mga_do_dma_wrap_start(dev_priv); \ + else \ + mga_do_dma_flush(dev_priv); \ } \ } while (0) /* Never use this, always use DMA_BLOCK(...) for primary DMA output. */ -#define DMA_WRITE( offset, val ) \ +#define DMA_WRITE(offset, val) \ do { \ - if ( MGA_VERBOSE ) { \ - DRM_INFO( " DMA_WRITE( 0x%08x ) at 0x%04Zx\n", \ - (u32)(val), write + (offset) * sizeof(u32) ); \ - } \ + if (MGA_VERBOSE) \ + DRM_INFO(" DMA_WRITE( 0x%08x ) at 0x%04Zx\n", \ + (u32)(val), write + (offset) * sizeof(u32)); \ *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \ } while (0) -#define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 ) \ +#define DMA_BLOCK(reg0, val0, reg1, val1, reg2, val2, reg3, val3) \ do { \ - DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) | \ - (DMAREG( reg1 ) << 8) | \ - (DMAREG( reg2 ) << 16) | \ - (DMAREG( reg3 ) << 24)) ); \ - DMA_WRITE( 1, val0 ); \ - DMA_WRITE( 2, val1 ); \ - DMA_WRITE( 3, val2 ); \ - DMA_WRITE( 4, val3 ); \ + DMA_WRITE(0, ((DMAREG(reg0) << 0) | \ + (DMAREG(reg1) << 8) | \ + (DMAREG(reg2) << 16) | \ + (DMAREG(reg3) << 24))); \ + DMA_WRITE(1, val0); \ + DMA_WRITE(2, val1); \ + DMA_WRITE(3, val2); \ + DMA_WRITE(4, val3); \ write += DMA_BLOCK_SIZE; \ } while (0) /* Buffer aging via primary DMA stream head pointer. */ -#define SET_AGE( age, h, w ) \ +#define SET_AGE(age, h, w) \ do { \ (age)->head = h; \ (age)->wrap = w; \ } while (0) -#define TEST_AGE( age, h, w ) ( (age)->wrap < w || \ - ( (age)->wrap == w && \ - (age)->head < h ) ) +#define TEST_AGE(age, h, w) ((age)->wrap < w || \ + ((age)->wrap == w && \ + (age)->head < h)) -#define AGE_BUFFER( buf_priv ) \ +#define AGE_BUFFER(buf_priv) \ do { \ drm_mga_freelist_t *entry = (buf_priv)->list_entry; \ - if ( (buf_priv)->dispatched ) { \ + if ((buf_priv)->dispatched) { \ entry->age.head = (dev_priv->prim.tail + \ dev_priv->primary->offset); \ entry->age.wrap = dev_priv->sarea_priv->last_wrap; \ @@ -681,7 +676,7 @@ do { \ /* Simple idle test. */ -static __inline__ int mga_is_idle(drm_mga_private_t * dev_priv) +static __inline__ int mga_is_idle(drm_mga_private_t *dev_priv) { u32 status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK; return (status == MGA_ENDPRDMASTS); |