* be very slow.
*/
-
#include "via_3d_reg.h"
#include "drmP.h"
#include "drm.h"
#include "via_verifier.h"
#include "via_drv.h"
-typedef enum{
+typedef enum {
state_command,
state_header2,
state_header1,
state_error
} verifier_state_t;
-
-typedef enum{
+typedef enum {
no_check = 0,
check_for_header2,
check_for_header1,
check_for_vertex_count,
check_number_texunits,
forbidden_command
-}hazard_t;
+} hazard_t;
/*
* Associates each hazard above with a possible multi-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,
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},
{0x7D, check_for_vertex_count}
};
-
-
static hz_init_t init_table2[] = {
{0xf2, check_for_header2_err},
{0xf0, check_for_header1_err},
{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_end - *buf) >= 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_local_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_local_map_t *via_drm_lookup_agp_map(drm_via_state_t * seq,
+ unsigned long offset,
+ unsigned long size,
+ drm_device_t * dev)
{
#ifdef __linux__
struct list_head *list;
#endif
drm_local_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;
}
-
#ifdef __linux__
list_for_each(list, &dev->maplist->head) {
r_list = (drm_map_list_t *) list;
if (!map)
continue;
#else
- TAILQ_FOREACH(map, &dev->maplist, link) {
+ TAILQ_FOREACH(map, &dev->maplist, link) {
#endif
- 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;
}
return NULL;
}
-
/*
* 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.
* 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;
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);
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;
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;
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);
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",
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 "
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;
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;
*/
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))) {
}
return state_error;
}
- } else if (hc_state->unfinished &&
+ } else if (hc_state->unfinished &&
finish_current_sequence(hc_state)) {
return state_error;
}
}
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;
}
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;
*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;
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;
}
}
}
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;
}
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;
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;
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++;
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;
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);
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));
}
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