drm: lindent the drm directory.

I've been threatening this for a while, so no point hanging around.
This lindents the DRM code which was always really bad in tabbing department.
I've also fixed some misnamed files in comments and removed some trailing
whitespace.

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 259 insertions, 224 deletions

diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c
index 07923b0c7a9..4ac495f297f 100644
--- a/drivers/char/drm/via_verifier.c
+++ b/drivers/char/drm/via_verifier.c
@@ -28,7 +28,6 @@
  * be very slow.
  */
 
-
 #include "via_3d_reg.h"
 #include "drmP.h"
 #include "drm.h"
@@ -36,7 +35,7 @@
 #include "via_verifier.h"
 #include "via_drv.h"
 
-typedef enum{
+typedef enum {
 	state_command,
 	state_header2,
 	state_header1,
@@ -45,8 +44,7 @@ typedef enum{
 	state_error
 } verifier_state_t;
 
-
-typedef enum{
+typedef enum {
 	no_check = 0,
 	check_for_header2,
 	check_for_header1,
@@ -74,16 +72,16 @@ typedef enum{
 	check_for_vertex_count,
 	check_number_texunits,
 	forbidden_command
-}hazard_t;
+} hazard_t;
 
 /*
  * Associates each hazard above with a possible multi-command
  * sequence. For example an address that is split over multiple
- * commands and that needs to be checked at the first command 
+ * commands and that needs to be checked at the first command
  * that does not include any part of the address.
  */
 
-static drm_via_sequence_t seqs[] = { 
+static drm_via_sequence_t seqs[] = {
 	no_sequence,
 	no_sequence,
 	no_sequence,
@@ -110,14 +108,12 @@ static drm_via_sequence_t seqs[] = {
 	tex_address,
 	no_sequence
 };
-    
-typedef struct{
+
+typedef struct {
 	unsigned int code;
 	hazard_t hz;
 } hz_init_t;
 
-
-
 static hz_init_t init_table1[] = {
 	{0xf2, check_for_header2_err},
 	{0xf0, check_for_header1_err},
@@ -169,8 +165,6 @@ static hz_init_t init_table1[] = {
 	{0x7D, check_for_vertex_count}
 };
 
-   
-		       
 static hz_init_t init_table2[] = {
 	{0xf2, check_for_header2_err},
 	{0xf0, check_for_header1_err},
@@ -235,49 +229,49 @@ static hz_init_t init_table3[] = {
 	{0xcc, check_for_dummy},
 	{0x00, check_number_texunits}
 };
-   
-		       
-static hazard_t table1[256]; 
-static hazard_t table2[256]; 
-static hazard_t table3[256]; 
-
 
+static hazard_t table1[256];
+static hazard_t table2[256];
+static hazard_t table3[256];
 
 static __inline__ int
-eat_words(const uint32_t **buf, const uint32_t *buf_end, unsigned num_words)
+eat_words(const uint32_t ** buf, const uint32_t * buf_end, unsigned num_words)
 {
 	if ((*buf - buf_end) >= num_words) {
 		*buf += num_words;
 		return 0;
-	} 
+	}
 	DRM_ERROR("Illegal termination of DMA command buffer\n");
 	return 1;
 }
 
-
 /*
  * Partially stolen from drm_memory.h
  */
 
-static __inline__ drm_map_t *
-via_drm_lookup_agp_map (drm_via_state_t *seq, unsigned long offset, unsigned long size, 
-			drm_device_t *dev)
+static __inline__ drm_map_t *via_drm_lookup_agp_map(drm_via_state_t * seq,
+						    unsigned long offset,
+						    unsigned long size,
+						    drm_device_t * dev)
 {
 	struct list_head *list;
 	drm_map_list_t *r_list;
 	drm_map_t *map = seq->map_cache;
 
-	if (map && map->offset <= offset && (offset + size) <= (map->offset + map->size)) {
+	if (map && map->offset <= offset
+	    && (offset + size) <= (map->offset + map->size)) {
 		return map;
 	}
-		
+
 	list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *) list;
 		map = r_list->map;
 		if (!map)
 			continue;
-		if (map->offset <= offset && (offset + size) <= (map->offset + map->size) && 
-		    !(map->flags & _DRM_RESTRICTED) && (map->type == _DRM_AGP)) {
+		if (map->offset <= offset
+		    && (offset + size) <= (map->offset + map->size)
+		    && !(map->flags & _DRM_RESTRICTED)
+		    && (map->type == _DRM_AGP)) {
 			seq->map_cache = map;
 			return map;
 		}
@@ -285,54 +279,60 @@ via_drm_lookup_agp_map (drm_via_state_t *seq, unsigned long offset, unsigned lon
 	return NULL;
 }
 
-
 /*
- * Require that all AGP texture levels reside in the same AGP map which should 
+ * Require that all AGP texture levels reside in the same AGP map which should
  * be mappable by the client. This is not a big restriction.
- * FIXME: To actually enforce this security policy strictly, drm_rmmap 
- * would have to wait for dma quiescent before removing an AGP map. 
+ * FIXME: To actually enforce this security policy strictly, drm_rmmap
+ * would have to wait for dma quiescent before removing an AGP map.
  * The via_drm_lookup_agp_map call in reality seems to take
  * very little CPU time.
  */
 
-
-static __inline__ int
-finish_current_sequence(drm_via_state_t *cur_seq) 
+static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq)
 {
-	switch(cur_seq->unfinished) {
+	switch (cur_seq->unfinished) {
 	case z_address:
 		DRM_DEBUG("Z Buffer start address is 0x%x\n", cur_seq->z_addr);
 		break;
 	case dest_address:
-		DRM_DEBUG("Destination start address is 0x%x\n", cur_seq->d_addr);
+		DRM_DEBUG("Destination start address is 0x%x\n",
+			  cur_seq->d_addr);
 		break;
 	case tex_address:
-		if (cur_seq->agp_texture) {			 
-			unsigned start = cur_seq->tex_level_lo[cur_seq->texture];
+		if (cur_seq->agp_texture) {
+			unsigned start =
+			    cur_seq->tex_level_lo[cur_seq->texture];
 			unsigned end = cur_seq->tex_level_hi[cur_seq->texture];
-			unsigned long lo=~0, hi=0, tmp;
+			unsigned long lo = ~0, hi = 0, tmp;
 			uint32_t *addr, *pitch, *height, tex;
 			unsigned i;
 
-			if (end > 9) end = 9;
-			if (start > 9) start = 9;
+			if (end > 9)
+				end = 9;
+			if (start > 9)
+				start = 9;
 
-			addr =&(cur_seq->t_addr[tex = cur_seq->texture][start]);
+			addr =
+			    &(cur_seq->t_addr[tex = cur_seq->texture][start]);
 			pitch = &(cur_seq->pitch[tex][start]);
 			height = &(cur_seq->height[tex][start]);
 
-			for (i=start; i<= end; ++i) {
+			for (i = start; i <= end; ++i) {
 				tmp = *addr++;
-				if (tmp < lo) lo = tmp;
+				if (tmp < lo)
+					lo = tmp;
 				tmp += (*height++ << *pitch++);
-				if (tmp > hi) hi = tmp;
+				if (tmp > hi)
+					hi = tmp;
 			}
 
-			if (! via_drm_lookup_agp_map (cur_seq, lo, hi - lo, cur_seq->dev)) {
-				DRM_ERROR("AGP texture is not in allowed map\n");
+			if (!via_drm_lookup_agp_map
+			    (cur_seq, lo, hi - lo, cur_seq->dev)) {
+				DRM_ERROR
+				    ("AGP texture is not in allowed map\n");
 				return 2;
 			}
-		}	
+		}
 		break;
 	default:
 		break;
@@ -341,73 +341,84 @@ finish_current_sequence(drm_via_state_t *cur_seq)
 	return 0;
 }
 
-static __inline__ int 
-investigate_hazard( uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
+static __inline__ int
+investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq)
 {
 	register uint32_t tmp, *tmp_addr;
 
 	if (cur_seq->unfinished && (cur_seq->unfinished != seqs[hz])) {
 		int ret;
-		if ((ret = finish_current_sequence(cur_seq))) return ret;
+		if ((ret = finish_current_sequence(cur_seq)))
+			return ret;
 	}
 
-	switch(hz) {
+	switch (hz) {
 	case check_for_header2:
-		if (cmd == HALCYON_HEADER2) return 1;
+		if (cmd == HALCYON_HEADER2)
+			return 1;
 		return 0;
 	case check_for_header1:
-		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) return 1;
+		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
+			return 1;
 		return 0;
 	case check_for_header2_err:
-		if (cmd == HALCYON_HEADER2) return 1;
+		if (cmd == HALCYON_HEADER2)
+			return 1;
 		DRM_ERROR("Illegal DMA HALCYON_HEADER2 command\n");
 		break;
 	case check_for_header1_err:
-		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) return 1;
+		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
+			return 1;
 		DRM_ERROR("Illegal DMA HALCYON_HEADER1 command\n");
 		break;
 	case check_for_fire:
-		if ((cmd & HALCYON_FIREMASK) == HALCYON_FIRECMD) return 1; 
+		if ((cmd & HALCYON_FIREMASK) == HALCYON_FIRECMD)
+			return 1;
 		DRM_ERROR("Illegal DMA HALCYON_FIRECMD command\n");
 		break;
 	case check_for_dummy:
-		if (HC_DUMMY == cmd) return 0;
+		if (HC_DUMMY == cmd)
+			return 0;
 		DRM_ERROR("Illegal DMA HC_DUMMY command\n");
 		break;
 	case check_for_dd:
-		if (0xdddddddd == cmd) return 0;
+		if (0xdddddddd == cmd)
+			return 0;
 		DRM_ERROR("Illegal DMA 0xdddddddd command\n");
 		break;
 	case check_z_buffer_addr0:
 		cur_seq->unfinished = z_address;
 		cur_seq->z_addr = (cur_seq->z_addr & 0xFF000000) |
-			(cmd & 0x00FFFFFF);
+		    (cmd & 0x00FFFFFF);
 		return 0;
 	case check_z_buffer_addr1:
 		cur_seq->unfinished = z_address;
 		cur_seq->z_addr = (cur_seq->z_addr & 0x00FFFFFF) |
-			((cmd & 0xFF) << 24);
+		    ((cmd & 0xFF) << 24);
 		return 0;
 	case check_z_buffer_addr_mode:
 		cur_seq->unfinished = z_address;
-		if ((cmd & 0x0000C000) == 0) return 0;
+		if ((cmd & 0x0000C000) == 0)
+			return 0;
 		DRM_ERROR("Attempt to place Z buffer in system memory\n");
 		return 2;
 	case check_destination_addr0:
 		cur_seq->unfinished = dest_address;
 		cur_seq->d_addr = (cur_seq->d_addr & 0xFF000000) |
-			(cmd & 0x00FFFFFF);
+		    (cmd & 0x00FFFFFF);
 		return 0;
 	case check_destination_addr1:
 		cur_seq->unfinished = dest_address;
 		cur_seq->d_addr = (cur_seq->d_addr & 0x00FFFFFF) |
-			((cmd & 0xFF) << 24);
+		    ((cmd & 0xFF) << 24);
 		return 0;
 	case check_destination_addr_mode:
 		cur_seq->unfinished = dest_address;
-		if ((cmd & 0x0000C000) == 0) return 0;
-		DRM_ERROR("Attempt to place 3D drawing buffer in system memory\n");
-		return 2;	    
+		if ((cmd & 0x0000C000) == 0)
+			return 0;
+		DRM_ERROR
+		    ("Attempt to place 3D drawing buffer in system memory\n");
+		return 2;
 	case check_texture_addr0:
 		cur_seq->unfinished = tex_address;
 		tmp = (cmd >> 24);
@@ -433,9 +444,11 @@ investigate_hazard( uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
 	case check_texture_addr3:
 		cur_seq->unfinished = tex_address;
 		tmp = ((cmd >> 24) - 0x2B);
-		cur_seq->pitch[cur_seq->texture][tmp] = (cmd & 0x00F00000) >> 20;
+		cur_seq->pitch[cur_seq->texture][tmp] =
+		    (cmd & 0x00F00000) >> 20;
 		if (!tmp && (cmd & 0x000FFFFF)) {
-			DRM_ERROR("Unimplemented texture level 0 pitch mode.\n");
+			DRM_ERROR
+			    ("Unimplemented texture level 0 pitch mode.\n");
 			return 2;
 		}
 		return 0;
@@ -449,7 +462,7 @@ investigate_hazard( uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
 		cur_seq->unfinished = tex_address;
 		/*
 		 * Texture width. We don't care since we have the pitch.
-		 */  
+		 */
 		return 0;
 	case check_texture_addr7:
 		cur_seq->unfinished = tex_address;
@@ -465,25 +478,26 @@ investigate_hazard( uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
 		cur_seq->unfinished = tex_address;
 		tmp_addr = &(cur_seq->height[cur_seq->texture][0]);
 		tmp_addr[9] = 1 << ((cmd & 0x0000F000) >> 12);
-	        tmp_addr[8] = 1 << ((cmd & 0x00000F00) >> 8);
+		tmp_addr[8] = 1 << ((cmd & 0x00000F00) >> 8);
 		tmp_addr[7] = 1 << ((cmd & 0x000000F0) >> 4);
 		tmp_addr[6] = 1 << (cmd & 0x0000000F);
 		return 0;
 	case check_texture_addr_mode:
 		cur_seq->unfinished = tex_address;
-		if ( 2 == (tmp = cmd & 0x00000003)) {
-			DRM_ERROR("Attempt to fetch texture from system memory.\n"); 
+		if (2 == (tmp = cmd & 0x00000003)) {
+			DRM_ERROR
+			    ("Attempt to fetch texture from system memory.\n");
 			return 2;
 		}
 		cur_seq->agp_texture = (tmp == 3);
-		cur_seq->tex_palette_size[cur_seq->texture] = 
-			(cmd >> 16) & 0x000000007;
+		cur_seq->tex_palette_size[cur_seq->texture] =
+		    (cmd >> 16) & 0x000000007;
 		return 0;
 	case check_for_vertex_count:
 		cur_seq->vertex_count = cmd & 0x0000FFFF;
 		return 0;
 	case check_number_texunits:
-	        cur_seq->multitex = (cmd >> 3) & 1;
+		cur_seq->multitex = (cmd >> 3) & 1;
 		return 0;
 	default:
 		DRM_ERROR("Illegal DMA data: 0x%x\n", cmd);
@@ -492,25 +506,27 @@ investigate_hazard( uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
 	return 2;
 }
 
-
 static __inline__ int
-via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
-		    drm_via_state_t *cur_seq)
+via_check_prim_list(uint32_t const **buffer, const uint32_t * buf_end,
+		    drm_via_state_t * cur_seq)
 {
-	drm_via_private_t *dev_priv = (drm_via_private_t *) cur_seq->dev->dev_private;
-	uint32_t a_fire, bcmd , dw_count;
+	drm_via_private_t *dev_priv =
+	    (drm_via_private_t *) cur_seq->dev->dev_private;
+	uint32_t a_fire, bcmd, dw_count;
 	int ret = 0;
 	int have_fire;
 	const uint32_t *buf = *buffer;
 
-	while(buf < buf_end) {
-	        have_fire = 0;
+	while (buf < buf_end) {
+		have_fire = 0;
 		if ((buf_end - buf) < 2) {
-			DRM_ERROR("Unexpected termination of primitive list.\n");
+			DRM_ERROR
+			    ("Unexpected termination of primitive list.\n");
 			ret = 1;
 			break;
 		}
-		if ((*buf & HC_ACMD_MASK) != HC_ACMD_HCmdB) break;
+		if ((*buf & HC_ACMD_MASK) != HC_ACMD_HCmdB)
+			break;
 		bcmd = *buf++;
 		if ((*buf & HC_ACMD_MASK) != HC_ACMD_HCmdA) {
 			DRM_ERROR("Expected Vertex List A command, got 0x%x\n",
@@ -518,43 +534,56 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
 			ret = 1;
 			break;
 		}
-		a_fire = *buf++ | HC_HPLEND_MASK | HC_HPMValidN_MASK | HC_HE3Fire_MASK;	
-	
+		a_fire =
+		    *buf++ | HC_HPLEND_MASK | HC_HPMValidN_MASK |
+		    HC_HE3Fire_MASK;
+
 		/*
 		 * How many dwords per vertex ?
-		 */ 
-		
+		 */
+
 		if (cur_seq->agp && ((bcmd & (0xF << 11)) == 0)) {
 			DRM_ERROR("Illegal B command vertex data for AGP.\n");
 			ret = 1;
 			break;
-		} 
+		}
 
 		dw_count = 0;
-		if (bcmd & (1 << 7)) dw_count += (cur_seq->multitex) ? 2:1;
-		if (bcmd & (1 << 8)) dw_count += (cur_seq->multitex) ? 2:1;
-		if (bcmd & (1 << 9)) dw_count++;
-		if (bcmd & (1 << 10)) dw_count++;
-		if (bcmd & (1 << 11)) dw_count++;
-		if (bcmd & (1 << 12)) dw_count++;
-		if (bcmd & (1 << 13)) dw_count++;
-		if (bcmd & (1 << 14)) dw_count++;
-
-		while(buf < buf_end) {
+		if (bcmd & (1 << 7))
+			dw_count += (cur_seq->multitex) ? 2 : 1;
+		if (bcmd & (1 << 8))
+			dw_count += (cur_seq->multitex) ? 2 : 1;
+		if (bcmd & (1 << 9))
+			dw_count++;
+		if (bcmd & (1 << 10))
+			dw_count++;
+		if (bcmd & (1 << 11))
+			dw_count++;
+		if (bcmd & (1 << 12))
+			dw_count++;
+		if (bcmd & (1 << 13))
+			dw_count++;
+		if (bcmd & (1 << 14))
+			dw_count++;
+
+		while (buf < buf_end) {
 			if (*buf == a_fire) {
-				if (dev_priv->num_fire_offsets >= VIA_FIRE_BUF_SIZE) {
+				if (dev_priv->num_fire_offsets >=
+				    VIA_FIRE_BUF_SIZE) {
 					DRM_ERROR("Fire offset buffer full.\n");
 					ret = 1;
 					break;
 				}
-				dev_priv->fire_offsets[dev_priv->num_fire_offsets++] = buf;
-			        have_fire = 1;
+				dev_priv->fire_offsets[dev_priv->
+						       num_fire_offsets++] =
+				    buf;
+				have_fire = 1;
 				buf++;
-				if (buf < buf_end && *buf == a_fire) 
+				if (buf < buf_end && *buf == a_fire)
 					buf++;
 				break;
 			}
-			if ((*buf == HALCYON_HEADER2) || 
+			if ((*buf == HALCYON_HEADER2) ||
 			    ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD)) {
 				DRM_ERROR("Missing Vertex Fire command, "
 					  "Stray Vertex Fire command  or verifier "
@@ -576,18 +605,14 @@ via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
 			ret = 1;
 			break;
 		}
-	} 
+	}
 	*buffer = buf;
 	return ret;
 }
 
-
-		       
-
-
 static __inline__ verifier_state_t
-via_check_header2( uint32_t const **buffer, const uint32_t *buf_end, 
-		   drm_via_state_t *hc_state)
+via_check_header2(uint32_t const **buffer, const uint32_t * buf_end,
+		  drm_via_state_t * hc_state)
 {
 	uint32_t cmd;
 	int hz_mode;
@@ -595,17 +620,17 @@ via_check_header2( uint32_t const **buffer, const uint32_t *buf_end,
 	const uint32_t *buf = *buffer;
 	const hazard_t *hz_table;
 
-
 	if ((buf_end - buf) < 2) {
-		DRM_ERROR("Illegal termination of DMA HALCYON_HEADER2 sequence.\n");
+		DRM_ERROR
+		    ("Illegal termination of DMA HALCYON_HEADER2 sequence.\n");
 		return state_error;
 	}
 	buf++;
 	cmd = (*buf++ & 0xFFFF0000) >> 16;
 
-	switch(cmd) {
+	switch (cmd) {
 	case HC_ParaType_CmdVdata:
-		if (via_check_prim_list(&buf, buf_end, hc_state )) 
+		if (via_check_prim_list(&buf, buf_end, hc_state))
 			return state_error;
 		*buffer = buf;
 		return state_command;
@@ -650,13 +675,13 @@ via_check_header2( uint32_t const **buffer, const uint32_t *buf_end,
 		 */
 
 		DRM_ERROR("Invalid or unimplemented HALCYON_HEADER2 "
-			  "DMA subcommand: 0x%x. Previous dword: 0x%x\n", 
-			  cmd, *(buf -2));
+			  "DMA subcommand: 0x%x. Previous dword: 0x%x\n",
+			  cmd, *(buf - 2));
 		*buffer = buf;
 		return state_error;
 	}
 
-	while(buf < buf_end) {
+	while (buf < buf_end) {
 		cmd = *buf++;
 		if ((hz = hz_table[cmd >> 24])) {
 			if ((hz_mode = investigate_hazard(cmd, hz, hc_state))) {
@@ -666,7 +691,7 @@ via_check_header2( uint32_t const **buffer, const uint32_t *buf_end,
 				}
 				return state_error;
 			}
-		} else if (hc_state->unfinished && 
+		} else if (hc_state->unfinished &&
 			   finish_current_sequence(hc_state)) {
 			return state_error;
 		}
@@ -679,64 +704,65 @@ via_check_header2( uint32_t const **buffer, const uint32_t *buf_end,
 }
 
 static __inline__ verifier_state_t
-via_parse_header2( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end,
-		   int *fire_count)
+via_parse_header2(drm_via_private_t * dev_priv, uint32_t const **buffer,
+		  const uint32_t * buf_end, int *fire_count)
 {
 	uint32_t cmd;
 	const uint32_t *buf = *buffer;
-	const uint32_t *next_fire; 
+	const uint32_t *next_fire;
 	int burst = 0;
 
 	next_fire = dev_priv->fire_offsets[*fire_count];
 	buf++;
 	cmd = (*buf & 0xFFFF0000) >> 16;
 	VIA_WRITE(HC_REG_TRANS_SET + HC_REG_BASE, *buf++);
-	switch(cmd) {
+	switch (cmd) {
 	case HC_ParaType_CmdVdata:
 		while ((buf < buf_end) &&
-		       (*fire_count < dev_priv->num_fire_offsets) && 
-		       (*buf & HC_ACMD_MASK) == HC_ACMD_HCmdB ) {
-			while(buf <= next_fire) {
-				VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE + (burst & 63), *buf++);
+		       (*fire_count < dev_priv->num_fire_offsets) &&
+		       (*buf & HC_ACMD_MASK) == HC_ACMD_HCmdB) {
+			while (buf <= next_fire) {
+				VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE +
+					  (burst & 63), *buf++);
 				burst += 4;
 			}
-			if ( ( buf < buf_end ) && ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD))
+			if ((buf < buf_end)
+			    && ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD))
 				buf++;
 
-			if (++(*fire_count) < dev_priv->num_fire_offsets) 
+			if (++(*fire_count) < dev_priv->num_fire_offsets)
 				next_fire = dev_priv->fire_offsets[*fire_count];
 		}
 		break;
 	default:
-		while(buf < buf_end) {
-			
-			if ( *buf == HC_HEADER2 ||
-			     (*buf & HALCYON_HEADER1MASK) == HALCYON_HEADER1  ||
-			     (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5 ||
-			     (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6 ) break;
-			
-			VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE + (burst & 63), *buf++);
-			burst +=4;
+		while (buf < buf_end) {
+
+			if (*buf == HC_HEADER2 ||
+			    (*buf & HALCYON_HEADER1MASK) == HALCYON_HEADER1 ||
+			    (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5 ||
+			    (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
+				break;
+
+			VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE +
+				  (burst & 63), *buf++);
+			burst += 4;
 		}
 	}
 	*buffer = buf;
 	return state_command;
 }
 
-
-
-static __inline__ int
-verify_mmio_address( uint32_t address)
+static __inline__ int verify_mmio_address(uint32_t address)
 {
-	if ((address > 0x3FF) && (address < 0xC00 )) {
+	if ((address > 0x3FF) && (address < 0xC00)) {
 		DRM_ERROR("Invalid VIDEO DMA command. "
 			  "Attempt to access 3D- or command burst area.\n");
 		return 1;
 	} else if ((address > 0xCFF) && (address < 0x1300)) {
 		DRM_ERROR("Invalid VIDEO DMA command. "
 			  "Attempt to access PCI DMA area.\n");
-		return 1;		
-	} else if (address > 0x13FF ) {
+		return 1;
+	} else if (address > 0x13FF) {
 		DRM_ERROR("Invalid VIDEO DMA command. "
 			  "Attempt to access VGA registers.\n");
 		return 1;
@@ -745,7 +771,8 @@ verify_mmio_address( uint32_t address)
 }
 
 static __inline__ int
-verify_video_tail( uint32_t const **buffer, const uint32_t *buf_end, uint32_t dwords) 
+verify_video_tail(uint32_t const **buffer, const uint32_t * buf_end,
+		  uint32_t dwords)
 {
 	const uint32_t *buf = *buffer;
 
@@ -762,10 +789,9 @@ verify_video_tail( uint32_t const **buffer, const uint32_t *buf_end, uint32_t dw
 	*buffer = buf;
 	return 0;
 }
-		
 
 static __inline__ verifier_state_t
-via_check_header1( uint32_t const **buffer, const uint32_t *buf_end )
+via_check_header1(uint32_t const **buffer, const uint32_t * buf_end)
 {
 	uint32_t cmd;
 	const uint32_t *buf = *buffer;
@@ -774,21 +800,21 @@ via_check_header1( uint32_t const **buffer, const uint32_t *buf_end )
 	while (buf < buf_end) {
 		cmd = *buf;
 		if ((cmd > ((0x3FF >> 2) | HALCYON_HEADER1)) &&
-		    (cmd < ((0xC00 >> 2) | HALCYON_HEADER1))) {			
-			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1) 
+		    (cmd < ((0xC00 >> 2) | HALCYON_HEADER1))) {
+			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1)
 				break;
 			DRM_ERROR("Invalid HALCYON_HEADER1 command. "
 				  "Attempt to access 3D- or command burst area.\n");
 			ret = state_error;
 			break;
 		} else if (cmd > ((0xCFF >> 2) | HALCYON_HEADER1)) {
-			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1) 
+			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1)
 				break;
 			DRM_ERROR("Invalid HALCYON_HEADER1 command. "
 				  "Attempt to access VGA registers.\n");
 			ret = state_error;
-			break;			
-		} else {			
+			break;
+		} else {
 			buf += 2;
 		}
 	}
@@ -797,15 +823,17 @@ via_check_header1( uint32_t const **buffer, const uint32_t *buf_end )
 }
 
 static __inline__ verifier_state_t
-via_parse_header1( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end )
+via_parse_header1(drm_via_private_t * dev_priv, uint32_t const **buffer,
+		  const uint32_t * buf_end)
 {
 	register uint32_t cmd;
 	const uint32_t *buf = *buffer;
 
 	while (buf < buf_end) {
 		cmd = *buf;
-		if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1) break;
-		VIA_WRITE( (cmd & ~HALCYON_HEADER1MASK) << 2, *++buf); 
+		if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1)
+			break;
+		VIA_WRITE((cmd & ~HALCYON_HEADER1MASK) << 2, *++buf);
 		buf++;
 	}
 	*buffer = buf;
@@ -813,7 +841,7 @@ via_parse_header1( drm_via_private_t *dev_priv, uint32_t const **buffer, const u
 }
 
 static __inline__ verifier_state_t
-via_check_vheader5( uint32_t const **buffer, const uint32_t *buf_end )
+via_check_vheader5(uint32_t const **buffer, const uint32_t * buf_end)
 {
 	uint32_t data;
 	const uint32_t *buf = *buffer;
@@ -836,41 +864,41 @@ via_check_vheader5( uint32_t const **buffer, const uint32_t *buf_end )
 		DRM_ERROR("Illegal header5 header data\n");
 		return state_error;
 	}
-	if (eat_words(&buf, buf_end, data)) 
+	if (eat_words(&buf, buf_end, data))
 		return state_error;
-	if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3))) 
+	if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3)))
 		return state_error;
 	*buffer = buf;
 	return state_command;
-	       
-} 
+
+}
 
 static __inline__ verifier_state_t
-via_parse_vheader5( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end )
+via_parse_vheader5(drm_via_private_t * dev_priv, uint32_t const **buffer,
+		   const uint32_t * buf_end)
 {
-  uint32_t addr, count, i;
+	uint32_t addr, count, i;
 	const uint32_t *buf = *buffer;
-	
+
 	addr = *buf++ & ~VIA_VIDEOMASK;
 	i = count = *buf;
 	buf += 3;
-	while(i--) {
+	while (i--) {
 		VIA_WRITE(addr, *buf++);
 	}
-	if (count & 3) buf += 4 - (count & 3);
+	if (count & 3)
+		buf += 4 - (count & 3);
 	*buffer = buf;
-	return state_command;	       
-} 
-
+	return state_command;
+}
 
 static __inline__ verifier_state_t
-via_check_vheader6( uint32_t const **buffer, const uint32_t *buf_end )
+via_check_vheader6(uint32_t const **buffer, const uint32_t * buf_end)
 {
 	uint32_t data;
 	const uint32_t *buf = *buffer;
 	uint32_t i;
 
-
 	if (buf_end - buf < 4) {
 		DRM_ERROR("Illegal termination of video header6 command\n");
 		return state_error;
@@ -889,7 +917,7 @@ via_check_vheader6( uint32_t const **buffer, const uint32_t *buf_end )
 		DRM_ERROR("Illegal termination of video header6 command\n");
 		return state_error;
 	}
-	for (i=0; i<data; ++i) {
+	for (i = 0; i < data; ++i) {
 		if (verify_mmio_address(*buf++))
 			return state_error;
 		buf++;
@@ -899,42 +927,42 @@ via_check_vheader6( uint32_t const **buffer, const uint32_t *buf_end )
 		return state_error;
 	*buffer = buf;
 	return state_command;
-} 
+}
 
 static __inline__ verifier_state_t
-via_parse_vheader6( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end )
+via_parse_vheader6(drm_via_private_t * dev_priv, uint32_t const **buffer,
+		   const uint32_t * buf_end)
 {
 
-  uint32_t addr, count, i;
+	uint32_t addr, count, i;
 	const uint32_t *buf = *buffer;
 
 	i = count = *++buf;
 	buf += 3;
-	while(i--) {
+	while (i--) {
 		addr = *buf++;
 		VIA_WRITE(addr, *buf++);
 	}
 	count <<= 1;
-	if (count & 3) buf += 4 - (count & 3);
+	if (count & 3)
+		buf += 4 - (count & 3);
 	*buffer = buf;
 	return state_command;
-} 
-
-
+}
 
-int 
-via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t *dev,
-			  int agp)
+int
+via_verify_command_stream(const uint32_t * buf, unsigned int size,
+			  drm_device_t * dev, int agp)
 {
 
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	drm_via_state_t *hc_state = &dev_priv->hc_state;
 	drm_via_state_t saved_state = *hc_state;
 	uint32_t cmd;
-	const uint32_t *buf_end = buf + ( size >> 2 );
+	const uint32_t *buf_end = buf + (size >> 2);
 	verifier_state_t state = state_command;
 	int pro_group_a = dev_priv->pro_group_a;
-	
+
 	hc_state->dev = dev;
 	hc_state->unfinished = no_sequence;
 	hc_state->map_cache = NULL;
@@ -946,38 +974,41 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t
 
 		switch (state) {
 		case state_header2:
-		  state = via_check_header2( &buf, buf_end, hc_state );
+			state = via_check_header2(&buf, buf_end, hc_state);
 			break;
 		case state_header1:
-			state = via_check_header1( &buf, buf_end );
+			state = via_check_header1(&buf, buf_end);
 			break;
 		case state_vheader5:
-			state = via_check_vheader5( &buf, buf_end );
+			state = via_check_vheader5(&buf, buf_end);
 			break;
 		case state_vheader6:
-			state = via_check_vheader6( &buf, buf_end );
+			state = via_check_vheader6(&buf, buf_end);
 			break;
 		case state_command:
-			if (HALCYON_HEADER2 == (cmd = *buf)) 
+			if (HALCYON_HEADER2 == (cmd = *buf))
 				state = state_header2;
-			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) 
+			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
 				state = state_header1;
-			else if (pro_group_a && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
+			else if (pro_group_a
+				 && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
 				state = state_vheader5;
-			else if (pro_group_a && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
+			else if (pro_group_a
+				 && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
 				state = state_vheader6;
 			else {
-				DRM_ERROR("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
-					  cmd);
+				DRM_ERROR
+				    ("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
+				     cmd);
 				state = state_error;
 			}
 			break;
 		case state_error:
 		default:
 			*hc_state = saved_state;
-			return DRM_ERR(EINVAL);			
+			return DRM_ERR(EINVAL);
 		}
-	}	
+	}
 	if (state == state_error) {
 		*hc_state = saved_state;
 		return DRM_ERR(EINVAL);
@@ -985,77 +1016,81 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t
 	return 0;
 }
 
-int 
-via_parse_command_stream(drm_device_t *dev, const uint32_t * buf, unsigned int size)
+int
+via_parse_command_stream(drm_device_t * dev, const uint32_t * buf,
+			 unsigned int size)
 {
 
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	uint32_t cmd;
-	const uint32_t *buf_end = buf + ( size >> 2 );
+	const uint32_t *buf_end = buf + (size >> 2);
 	verifier_state_t state = state_command;
 	int fire_count = 0;
-	
+
 	while (buf < buf_end) {
 
 		switch (state) {
 		case state_header2:
-		  state = via_parse_header2( dev_priv, &buf, buf_end, &fire_count );
+			state =
+			    via_parse_header2(dev_priv, &buf, buf_end,
+					      &fire_count);
 			break;
 		case state_header1:
-			state = via_parse_header1( dev_priv, &buf, buf_end );
+			state = via_parse_header1(dev_priv, &buf, buf_end);
 			break;
 		case state_vheader5:
-			state = via_parse_vheader5( dev_priv, &buf, buf_end );
+			state = via_parse_vheader5(dev_priv, &buf, buf_end);
 			break;
 		case state_vheader6:
-			state = via_parse_vheader6( dev_priv, &buf, buf_end );
+			state = via_parse_vheader6(dev_priv, &buf, buf_end);
 			break;
 		case state_command:
-			if (HALCYON_HEADER2 == (cmd = *buf)) 
+			if (HALCYON_HEADER2 == (cmd = *buf))
 				state = state_header2;
-			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) 
+			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
 				state = state_header1;
 			else if ((cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
 				state = state_vheader5;
 			else if ((cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
 				state = state_vheader6;
 			else {
-				DRM_ERROR("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
-					  cmd);
+				DRM_ERROR
+				    ("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
+				     cmd);
 				state = state_error;
 			}
 			break;
 		case state_error:
 		default:
-			return DRM_ERR(EINVAL);			
+			return DRM_ERR(EINVAL);
 		}
-	}	
+	}
 	if (state == state_error) {
 		return DRM_ERR(EINVAL);
 	}
 	return 0;
 }
 
-
-
-static void 
+static void
 setup_hazard_table(hz_init_t init_table[], hazard_t table[], int size)
 {
 	int i;
 
-	for(i=0; i<256; ++i) {
+	for (i = 0; i < 256; ++i) {
 		table[i] = forbidden_command;
 	}
 
-	for(i=0; i<size; ++i) {
+	for (i = 0; i < size; ++i) {
 		table[init_table[i].code] = init_table[i].hz;
 	}
 }
 
-void 
-via_init_command_verifier( void )
+void via_init_command_verifier(void)
 {
-	setup_hazard_table(init_table1, table1, sizeof(init_table1) / sizeof(hz_init_t));
-	setup_hazard_table(init_table2, table2, sizeof(init_table2) / sizeof(hz_init_t));
-	setup_hazard_table(init_table3, table3, sizeof(init_table3) / sizeof(hz_init_t));
+	setup_hazard_table(init_table1, table1,
+			   sizeof(init_table1) / sizeof(hz_init_t));
+	setup_hazard_table(init_table2, table2,
+			   sizeof(init_table2) / sizeof(hz_init_t));
+	setup_hazard_table(init_table3, table3,
+			   sizeof(init_table3) / sizeof(hz_init_t));
 }