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path: root/drivers/gpu/drm/mga/mga_drv.h
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Diffstat (limited to 'drivers/gpu/drm/mga/mga_drv.h')
-rw-r--r--drivers/gpu/drm/mga/mga_drv.h187
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);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 03:48:44 +0000