drm: lots of small cleanups and whitespace issues fixed up

remove a mach64 warning, align a lot of things from linux kernel
diff --git a/shared-core/mach64_drm.h b/shared-core/mach64_drm.h
index d92ece2..1fd8c00 100644
--- a/shared-core/mach64_drm.h
+++ b/shared-core/mach64_drm.h
@@ -68,7 +68,7 @@
 /* Max number of swaps allowed on the ring
  * before the client must wait
  */
-#define MACH64_MAX_QUEUED_FRAMES        3
+#define MACH64_MAX_QUEUED_FRAMES        3U
 
 /* Byte offsets for host blit buffer data
  */
diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h
index ff75480..5fa8254 100644
--- a/shared-core/radeon_drv.h
+++ b/shared-core/radeon_drv.h
@@ -1095,7 +1095,7 @@
 			   n, __FUNCTION__ );				\
 	}								\
 	if ( dev_priv->ring.space <= (n) * sizeof(u32) ) {		\
-                COMMIT_RING();						\
+		COMMIT_RING();						\
 		radeon_wait_ring( dev_priv, (n) * sizeof(u32) );	\
 	}								\
 	_nr = n; dev_priv->ring.space -= (n) * sizeof(u32);		\
diff --git a/shared-core/radeon_state.c b/shared-core/radeon_state.c
index 38b8714..8c1a406 100644
--- a/shared-core/radeon_state.c
+++ b/shared-core/radeon_state.c
@@ -2652,10 +2652,10 @@
 	int start = header.veclinear.addr_lo | (header.veclinear.addr_hi << 8);
 	RING_LOCALS;
 
-        if (!sz)
-                return 0;
-        if (sz * 4 > cmdbuf->bufsz)
-                return DRM_ERR(EINVAL);
+	if (!sz)
+		return 0;
+	if (sz * 4 > cmdbuf->bufsz)
+		return DRM_ERR(EINVAL);
 
 	BEGIN_RING(5 + sz);
 	OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
diff --git a/shared-core/sis_drv.h b/shared-core/sis_drv.h
index b739a48..d1cdc19 100644
--- a/shared-core/sis_drv.h
+++ b/shared-core/sis_drv.h
@@ -40,8 +40,8 @@
 #define DRIVER_PATCHLEVEL	1
 
 enum sis_family {
-        SIS_OTHER = 0,
-        SIS_CHIP_315 = 1,
+	SIS_OTHER = 0,
+	SIS_CHIP_315 = 1,
 };
 
 #if defined(__linux__)
@@ -52,18 +52,18 @@
 #include "drm_sman.h"
 
 #define SIS_BASE (dev_priv->mmio)
-#define SIS_READ(reg)         DRM_READ32(SIS_BASE, reg);
+#define SIS_READ(reg)	 DRM_READ32(SIS_BASE, reg);
 #define SIS_WRITE(reg, val)   DRM_WRITE32(SIS_BASE, reg, val);
 
 typedef struct drm_sis_private {
-        drm_local_map_t *mmio;
-        unsigned idle_fault;
-        drm_sman_t sman;
-        unsigned long chipset;
-        int vram_initialized;
-        int agp_initialized;
-        unsigned long vram_offset;
-        unsigned long agp_offset;
+	drm_local_map_t *mmio;
+	unsigned idle_fault;
+	drm_sman_t sman;
+	unsigned long chipset;
+	int vram_initialized;
+	int agp_initialized;
+	unsigned long vram_offset;
+	unsigned long agp_offset;
 } drm_sis_private_t;
 
 extern int sis_idle(drm_device_t *dev);
diff --git a/shared-core/via_dma.c b/shared-core/via_dma.c
index 11fa738..c6e7aa7 100644
--- a/shared-core/via_dma.c
+++ b/shared-core/via_dma.c
@@ -44,14 +44,14 @@
 #define CMDBUF_ALIGNMENT_MASK   (0x0ff)
 
 /* defines for VIA 3D registers */
-#define VIA_REG_STATUS          0x400
-#define VIA_REG_TRANSET         0x43C
+#define VIA_REG_STATUS	  0x400
+#define VIA_REG_TRANSET	 0x43C
 #define VIA_REG_TRANSPACE       0x440
 
 /* VIA_REG_STATUS(0x400): Engine Status */
 #define VIA_CMD_RGTR_BUSY       0x00000080	/* Command Regulator is busy */
-#define VIA_2D_ENG_BUSY         0x00000001	/* 2D Engine is busy */
-#define VIA_3D_ENG_BUSY         0x00000002	/* 3D Engine is busy */
+#define VIA_2D_ENG_BUSY	 0x00000001	/* 2D Engine is busy */
+#define VIA_3D_ENG_BUSY	 0x00000002	/* 3D Engine is busy */
 #define VIA_VR_QUEUE_BUSY       0x00020000	/* Virtual Queue is busy */
 
 #define SetReg2DAGP(nReg, nData) {				\
@@ -120,7 +120,7 @@
 	next_addr = cur_addr + size + 512*1024;
 	count = 1000000;
 	do {
-	        hw_addr = *hw_addr_ptr - agp_base;
+		hw_addr = *hw_addr_ptr - agp_base;
 		if (count-- == 0) {
 			DRM_ERROR
 			    ("via_cmdbuf_wait timed out hw %x cur_addr %x next_addr %x\n",
@@ -247,10 +247,10 @@
 		else
 			retcode = via_dma_cleanup(dev);
 		break;
-        case VIA_DMA_INITIALIZED:
+	case VIA_DMA_INITIALIZED:
 		retcode = (dev_priv->ring.virtual_start != NULL) ? 
 			0: DRM_ERR( EFAULT );
-	        break;
+		break;
 	default:
 		retcode = DRM_ERR(EINVAL);
 		break;
@@ -406,7 +406,7 @@
 static inline uint32_t *via_align_buffer(drm_via_private_t * dev_priv,
 					 uint32_t * vb, int qw_count)
 {
-        for (; qw_count > 0; --qw_count) {
+	for (; qw_count > 0; --qw_count) {
 		VIA_OUT_RING_QW(HC_DUMMY, HC_DUMMY);
 	}
 	return vb;
@@ -471,7 +471,7 @@
 	}
 		
 	if (paused && !no_pci_fire) {
-	        uint32_t rgtr,ptr;
+		uint32_t rgtr,ptr;
 		uint32_t ptr_low;
 
 		count = 1000000;
diff --git a/shared-core/via_drm.h b/shared-core/via_drm.h
index 049c63e..ee92ff6 100644
--- a/shared-core/via_drm.h
+++ b/shared-core/via_drm.h
@@ -47,12 +47,12 @@
 #define VIA_DRM_DRIVER_MAJOR		2
 #define VIA_DRM_DRIVER_MINOR		10
 #define VIA_DRM_DRIVER_PATCHLEVEL	2
-#define VIA_DRM_DRIVER_VERSION          (((VIA_DRM_DRIVER_MAJOR) << 16) | (VIA_DRM_DRIVER_MINOR))
+#define VIA_DRM_DRIVER_VERSION	  (((VIA_DRM_DRIVER_MAJOR) << 16) | (VIA_DRM_DRIVER_MINOR))
 
 #define VIA_NR_SAREA_CLIPRECTS 		8
-#define VIA_NR_XVMC_PORTS               10
-#define VIA_NR_XVMC_LOCKS               5
-#define VIA_MAX_CACHELINE_SIZE          64
+#define VIA_NR_XVMC_PORTS	       10
+#define VIA_NR_XVMC_LOCKS	       5
+#define VIA_MAX_CACHELINE_SIZE	  64
 #define XVMCLOCKPTR(saPriv,lockNo)					\
 	((volatile drm_hw_lock_t *)(((((unsigned long) (saPriv)->XvMCLockArea) + \
 				      (VIA_MAX_CACHELINE_SIZE - 1)) &	\
@@ -67,29 +67,29 @@
 
 #define VIA_UPLOAD_TEX0IMAGE  0x1	/* handled clientside */
 #define VIA_UPLOAD_TEX1IMAGE  0x2	/* handled clientside */
-#define VIA_UPLOAD_CTX        0x4
+#define VIA_UPLOAD_CTX	0x4
 #define VIA_UPLOAD_BUFFERS    0x8
 #define VIA_UPLOAD_TEX0       0x10
 #define VIA_UPLOAD_TEX1       0x20
 #define VIA_UPLOAD_CLIPRECTS  0x40
-#define VIA_UPLOAD_ALL        0xff
+#define VIA_UPLOAD_ALL	0xff
 
 /* VIA specific ioctls */
 #define DRM_VIA_ALLOCMEM	0x00
-#define DRM_VIA_FREEMEM	        0x01
+#define DRM_VIA_FREEMEM		0x01
 #define DRM_VIA_AGP_INIT	0x02
-#define DRM_VIA_FB_INIT	        0x03
+#define DRM_VIA_FB_INIT		0x03
 #define DRM_VIA_MAP_INIT	0x04
 #define DRM_VIA_DEC_FUTEX       0x05
 #define NOT_USED
 #define DRM_VIA_DMA_INIT	0x07
 #define DRM_VIA_CMDBUFFER	0x08
-#define DRM_VIA_FLUSH	        0x09
-#define DRM_VIA_PCICMD	        0x0a
+#define DRM_VIA_FLUSH		0x09
+#define DRM_VIA_PCICMD		0x0a
 #define DRM_VIA_CMDBUF_SIZE	0x0b
 #define NOT_USED
-#define DRM_VIA_WAIT_IRQ        0x0d
-#define DRM_VIA_DMA_BLIT        0x0e
+#define DRM_VIA_WAIT_IRQ	0x0d
+#define DRM_VIA_DMA_BLIT	0x0e
 #define DRM_VIA_BLIT_SYNC       0x0f
 
 #define DRM_IOCTL_VIA_ALLOCMEM	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)
@@ -172,7 +172,7 @@
 	enum {
 		VIA_INIT_DMA = 0x01,
 		VIA_CLEANUP_DMA = 0x02,
-                VIA_DMA_INITIALIZED = 0x03
+		VIA_DMA_INITIALIZED = 0x03
 	} func;
 
 	unsigned long offset;
@@ -217,7 +217,7 @@
 
 	/* Used by the 3d driver only at this point, for pageflipping:
 	 */
-        unsigned int pfCurrentOffset;
+	unsigned int pfCurrentOffset;
 } drm_via_sarea_t;
 
 typedef struct _drm_via_cmdbuf_size {
@@ -273,17 +273,17 @@
  */
 
 typedef struct drm_via_dmablit {
-	uint32_t num_lines;          
-	uint32_t line_length;        
+	uint32_t num_lines;
+	uint32_t line_length;
 
-        uint32_t fb_addr;                
-	uint32_t fb_stride;              
+	uint32_t fb_addr;
+	uint32_t fb_stride;
 
-        unsigned char *mem_addr;        
-	uint32_t  mem_stride;        
+	unsigned char *mem_addr;
+	uint32_t  mem_stride;
        
 	uint32_t  flags;
-        int to_fb;
+	int to_fb;
 
 	drm_via_blitsync_t sync;   
 } drm_via_dmablit_t;
diff --git a/shared-core/via_drv.h b/shared-core/via_drv.h
index 86cd049..18d2a33 100644
--- a/shared-core/via_drv.h
+++ b/shared-core/via_drv.h
@@ -76,9 +76,9 @@
 	volatile uint32_t *last_pause_ptr;
 	volatile uint32_t *hw_addr_ptr;
 	drm_via_ring_buffer_t ring;
-        struct timeval last_vblank;
-        int last_vblank_valid;
-        unsigned usec_per_vblank;
+	struct timeval last_vblank;
+	int last_vblank_valid;
+	unsigned usec_per_vblank;
 	drm_via_state_t hc_state;
 	char pci_buf[VIA_PCI_BUF_SIZE];
 	const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
@@ -90,14 +90,14 @@
 	uint32_t irq_enable_mask; 
 	uint32_t irq_pending_mask;	
 	int *irq_map;
-        /* Memory manager stuff */
+	/* Memory manager stuff */
 #ifdef VIA_HAVE_CORE_MM
-	unsigned idle_fault;
+	unsigned int idle_fault;
 	drm_sman_t sman;
 	int vram_initialized;
 	int agp_initialized;
-        unsigned long vram_offset;
-        unsigned long agp_offset;
+	unsigned long vram_offset;
+	unsigned long agp_offset;
 #endif
 #ifdef VIA_HAVE_DMABLIT
 	drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES];
@@ -148,8 +148,6 @@
 extern void via_init_futex(drm_via_private_t *dev_priv);
 extern void via_cleanup_futex(drm_via_private_t *dev_priv);
 extern void via_release_futex(drm_via_private_t *dev_priv, int context);
-extern int via_driver_irq_wait(drm_device_t * dev, unsigned int irq,
-			       int force_sequence, unsigned int *sequence);
 
 #ifdef VIA_HAVE_CORE_MM
 extern void via_reclaim_buffers_locked(drm_device_t *dev, struct file *filp);
diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c
index aaba0cb..db60b28 100644
--- a/shared-core/via_irq.c
+++ b/shared-core/via_irq.c
@@ -43,7 +43,7 @@
 #define VIA_REG_INTERRUPT       0x200
 
 /* VIA_REG_INTERRUPT */
-#define VIA_IRQ_GLOBAL          (1 << 31)
+#define VIA_IRQ_GLOBAL	  (1 << 31)
 #define VIA_IRQ_VBLANK_ENABLE   (1 << 19)
 #define VIA_IRQ_VBLANK_PENDING  (1 << 3)
 #define VIA_IRQ_HQV0_ENABLE     (1 << 11)
@@ -93,8 +93,8 @@
 static unsigned time_diff(struct timeval *now,struct timeval *then) 
 {
     return (now->tv_usec >= then->tv_usec) ?
-        now->tv_usec - then->tv_usec :
-        1000000 - (then->tv_usec - now->tv_usec);
+	now->tv_usec - then->tv_usec :
+	1000000 - (then->tv_usec - now->tv_usec);
 }
 
 irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
@@ -110,21 +110,21 @@
 	status = VIA_READ(VIA_REG_INTERRUPT);
 	if (status & VIA_IRQ_VBLANK_PENDING) {
 		atomic_inc(&dev->vbl_received);
-                if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
+		if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
 #ifdef __linux__
 			do_gettimeofday(&cur_vblank);
 #else
 			microtime(&cur_vblank);
 #endif
-                        if (dev_priv->last_vblank_valid) {
+			if (dev_priv->last_vblank_valid) {
 				dev_priv->usec_per_vblank = 
 					time_diff(&cur_vblank,
 						  &dev_priv->last_vblank) >> 4;
 			}
 			dev_priv->last_vblank = cur_vblank;
 			dev_priv->last_vblank_valid = 1;
-                }
-                if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
+		}
+		if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
 			DRM_DEBUG("US per vblank is: %u\n",
 				dev_priv->usec_per_vblank);
 		}
@@ -198,13 +198,13 @@
 	return ret;
 }
 
-int 
+static int
 via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
 		    unsigned int *sequence)
 {
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	unsigned int cur_irq_sequence;
-	drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+	drm_via_irq_t *cur_irq;
 	int ret = 0;
 	maskarray_t *masks;
 	int real_irq;
@@ -231,7 +231,7 @@
 	}
 
 	masks = dev_priv->irq_masks;
-	cur_irq += real_irq;
+	cur_irq = dev_priv->via_irqs + real_irq;
 
 	if (masks[real_irq][2] && !force_sequence) {
 		DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
@@ -257,11 +257,12 @@
 {
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	u32 status;
-	drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+	drm_via_irq_t *cur_irq;
 	int i;
 
 	DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
 	if (dev_priv) {
+		cur_irq = dev_priv->via_irqs;
 
 		dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE;
 		dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING;
@@ -285,7 +286,7 @@
 			DRM_DEBUG("Initializing IRQ %d\n", i);
 		}
 			
-	        dev_priv->last_vblank_valid = 0;
+		dev_priv->last_vblank_valid = 0;
 
 		/* Clear VSync interrupt regs */
 		status = VIA_READ(VIA_REG_INTERRUPT);
diff --git a/shared-core/via_verifier.h b/shared-core/via_verifier.h
index c0ffc97..96708a3 100644
--- a/shared-core/via_verifier.h
+++ b/shared-core/via_verifier.h
@@ -26,20 +26,20 @@
 #ifndef _VIA_VERIFIER_H_
 #define _VIA_VERIFIER_H_
 
-typedef enum{
+typedef enum {
 	no_sequence = 0, 
 	z_address,
 	dest_address,
 	tex_address
-}drm_via_sequence_t;
+} drm_via_sequence_t;
 
 
 
-typedef struct{
+typedef struct {
 	unsigned texture;
 	uint32_t z_addr; 
 	uint32_t d_addr; 
-        uint32_t t_addr[2][10];
+	uint32_t t_addr[2][10];
 	uint32_t pitch[2][10];
 	uint32_t height[2][10];
 	uint32_t tex_level_lo[2];