drm: add initial r300 3D support.
[safe/jmp/linux-2.6] / drivers / char / drm / radeon_drm.h
index c1e62d0..3792798 100644 (file)
@@ -195,6 +195,52 @@ typedef union {
 #define RADEON_WAIT_2D  0x1
 #define RADEON_WAIT_3D  0x2
 
+/* Allowed parameters for R300_CMD_PACKET3
+ */
+#define R300_CMD_PACKET3_CLEAR         0
+#define R300_CMD_PACKET3_RAW           1
+
+/* Commands understood by cmd_buffer ioctl for R300.
+ * The interface has not been stabilized, so some of these may be removed
+ * and eventually reordered before stabilization.
+ */
+#define R300_CMD_PACKET0               1 
+#define R300_CMD_VPU                   2 /* emit vertex program upload */
+#define R300_CMD_PACKET3               3 /* emit a packet3 */
+#define R300_CMD_END3D                 4 /* emit sequence ending 3d rendering */
+#define R300_CMD_CP_DELAY              5
+#define R300_CMD_DMA_DISCARD           6
+#define R300_CMD_WAIT                  7
+#      define R300_WAIT_2D             0x1
+#      define R300_WAIT_3D             0x2
+#      define R300_WAIT_2D_CLEAN       0x3
+#      define R300_WAIT_3D_CLEAN       0x4
+
+typedef union {
+       unsigned int u;
+       struct {
+               unsigned char cmd_type, pad0, pad1, pad2;
+       } header;
+       struct {
+               unsigned char cmd_type, count, reglo, reghi;
+       } packet0;
+       struct {
+               unsigned char cmd_type, count, adrlo, adrhi;
+       } vpu;
+       struct {
+               unsigned char cmd_type, packet, pad0, pad1;
+       } packet3;
+       struct {
+               unsigned char cmd_type, packet;
+               unsigned short count; /* amount of packet2 to emit */
+       } delay;
+       struct {
+               unsigned char cmd_type, buf_idx, pad0, pad1;
+       } dma;
+       struct {
+               unsigned char cmd_type, flags, pad0, pad1;      
+       } wait;
+} drm_r300_cmd_header_t;
 
 #define RADEON_FRONT                   0x1
 #define RADEON_BACK                    0x2