/* WARP pipe flags
*/
-#define MGA_F 0x1 /* fog */
-#define MGA_A 0x2 /* alpha */
-#define MGA_S 0x4 /* specular */
-#define MGA_T2 0x8 /* multitexture */
+#define MGA_F 0x1 /* fog */
+#define MGA_A 0x2 /* alpha */
+#define MGA_S 0x4 /* specular */
+#define MGA_T2 0x8 /* multitexture */
#define MGA_WARP_TGZ 0
#define MGA_WARP_TGZF (MGA_F)
#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A)
#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A)
-#define MGA_MAX_G200_PIPES 8 /* no multitex */
+#define MGA_MAX_G200_PIPES 8 /* no multitex */
#define MGA_MAX_G400_PIPES 16
#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES
-#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */
+#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */
#define MGA_CARD_TYPE_G200 1
#define MGA_CARD_TYPE_G400 2
-
+#define MGA_CARD_TYPE_G450 3 /* not currently used */
+#define MGA_CARD_TYPE_G550 4
#define MGA_FRONT 0x1
#define MGA_BACK 0x2
#define MGA_UPLOAD_TEX0 0x2
#define MGA_UPLOAD_TEX1 0x4
#define MGA_UPLOAD_PIPE 0x8
-#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
-#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
+#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */
+#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */
#define MGA_UPLOAD_2D 0x40
-#define MGA_WAIT_AGE 0x80 /* handled client-side */
-#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
+#define MGA_WAIT_AGE 0x80 /* handled client-side */
+#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */
#if 0
-#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock
- quiescent */
+#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock
+ quiescent */
#endif
/* 32 buffers of 64k each, total 2 meg.
#define DRM_MGA_IDLE_RETRY 2048
-#endif /* __MGA_SAREA_DEFINES__ */
-
+#endif /* __MGA_SAREA_DEFINES__ */
/* Setup registers for 3D context
*/
/* General aging mechanism
*/
typedef struct {
- unsigned int head; /* Position of head pointer */
- unsigned int wrap; /* Primary DMA wrap count */
+ unsigned int head; /* Position of head pointer */
+ unsigned int wrap; /* Primary DMA wrap count */
} drm_mga_age_t;
typedef struct _drm_mga_sarea {
/* The channel for communication of state information to the kernel
* on firing a vertex dma buffer.
*/
- drm_mga_context_regs_t context_state;
- drm_mga_server_regs_t server_state;
- drm_mga_texture_regs_t tex_state[2];
- unsigned int warp_pipe;
- unsigned int dirty;
- unsigned int vertsize;
+ drm_mga_context_regs_t context_state;
+ drm_mga_server_regs_t server_state;
+ drm_mga_texture_regs_t tex_state[2];
+ unsigned int warp_pipe;
+ unsigned int dirty;
+ unsigned int vertsize;
/* The current cliprects, or a subset thereof.
*/
- drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS];
- unsigned int nbox;
+ drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS];
+ unsigned int nbox;
/* Information about the most recently used 3d drawable. The
* client fills in the req_* fields, the server fills in the
* The client clears the exported_drawable field before
* clobbering the boxes data.
*/
- unsigned int req_drawable; /* the X drawable id */
- unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */
+ unsigned int req_drawable; /* the X drawable id */
+ unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */
- unsigned int exported_drawable;
+ unsigned int exported_drawable;
unsigned int exported_index;
- unsigned int exported_stamp;
- unsigned int exported_buffers;
- unsigned int exported_nfront;
- unsigned int exported_nback;
+ unsigned int exported_stamp;
+ unsigned int exported_buffers;
+ unsigned int exported_nfront;
+ unsigned int exported_nback;
int exported_back_x, exported_front_x, exported_w;
int exported_back_y, exported_front_y, exported_h;
- drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS];
+ drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS];
/* Counters for aging textures and for client-side throttling.
*/
unsigned int last_wrap;
drm_mga_age_t last_frame;
- unsigned int last_enqueue; /* last time a buffer was enqueued */
+ unsigned int last_enqueue; /* last time a buffer was enqueued */
unsigned int last_dispatch; /* age of the most recently dispatched buffer */
- unsigned int last_quiescent; /* */
+ unsigned int last_quiescent; /* */
/* LRU lists for texture memory in agp space and on the card.
*/
- drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1];
+ drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS + 1];
unsigned int texAge[MGA_NR_TEX_HEAPS];
/* Mechanism to validate card state.
*/
- int ctxOwner;
+ int ctxOwner;
} drm_mga_sarea_t;
-
-/* WARNING: If you change any of these defines, make sure to change the
- * defines in the Xserver file (xf86drmMga.h)
- */
-
/* MGA specific ioctls
* The device specific ioctl range is 0x40 to 0x79.
*/
#define DRM_MGA_BLIT 0x08
#define DRM_MGA_GETPARAM 0x09
+/* 3.2:
+ * ioctls for operating on fences.
+ */
+#define DRM_MGA_SET_FENCE 0x0a
+#define DRM_MGA_WAIT_FENCE 0x0b
+#define DRM_MGA_DMA_BOOTSTRAP 0x0c
+
#define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t)
#define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t)
#define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET)
#define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t)
#define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t)
#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t)
+#define DRM_IOCTL_MGA_SET_FENCE DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_SET_FENCE, uint32_t)
+#define DRM_IOCTL_MGA_WAIT_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_WAIT_FENCE, uint32_t)
+#define DRM_IOCTL_MGA_DMA_BOOTSTRAP DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_DMA_BOOTSTRAP, drm_mga_dma_bootstrap_t)
typedef struct _drm_mga_warp_index {
- int installed;
- unsigned long phys_addr;
- int size;
+ int installed;
+ unsigned long phys_addr;
+ int size;
} drm_mga_warp_index_t;
typedef struct drm_mga_init {
- enum {
- MGA_INIT_DMA = 0x01,
- MGA_CLEANUP_DMA = 0x02
+ enum {
+ MGA_INIT_DMA = 0x01,
+ MGA_CLEANUP_DMA = 0x02
} func;
- unsigned long sarea_priv_offset;
+ unsigned long sarea_priv_offset;
int chipset;
- int sgram;
+ int sgram;
unsigned int maccess;
- unsigned int fb_cpp;
+ unsigned int fb_cpp;
unsigned int front_offset, front_pitch;
- unsigned int back_offset, back_pitch;
+ unsigned int back_offset, back_pitch;
- unsigned int depth_cpp;
- unsigned int depth_offset, depth_pitch;
+ unsigned int depth_cpp;
+ unsigned int depth_offset, depth_pitch;
- unsigned int texture_offset[MGA_NR_TEX_HEAPS];
- unsigned int texture_size[MGA_NR_TEX_HEAPS];
+ unsigned int texture_offset[MGA_NR_TEX_HEAPS];
+ unsigned int texture_size[MGA_NR_TEX_HEAPS];
unsigned long fb_offset;
unsigned long mmio_offset;
unsigned long buffers_offset;
} drm_mga_init_t;
-typedef struct drm_mga_fullscreen {
- enum {
- MGA_INIT_FULLSCREEN = 0x01,
- MGA_CLEANUP_FULLSCREEN = 0x02
- } func;
-} drm_mga_fullscreen_t;
+typedef struct drm_mga_dma_bootstrap {
+ /**
+ * \name AGP texture region
+ *
+ * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, these fields will
+ * be filled in with the actual AGP texture settings.
+ *
+ * \warning
+ * If these fields are non-zero, but dma_mga_dma_bootstrap::agp_mode
+ * is zero, it means that PCI memory (most likely through the use of
+ * an IOMMU) is being used for "AGP" textures.
+ */
+ /*@{ */
+ unsigned long texture_handle; /**< Handle used to map AGP textures. */
+ uint32_t texture_size; /**< Size of the AGP texture region. */
+ /*@} */
+
+ /**
+ * Requested size of the primary DMA region.
+ *
+ * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
+ * filled in with the actual AGP mode. If AGP was not available
+ */
+ uint32_t primary_size;
+
+ /**
+ * Requested number of secondary DMA buffers.
+ *
+ * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
+ * filled in with the actual number of secondary DMA buffers
+ * allocated. Particularly when PCI DMA is used, this may be
+ * (subtantially) less than the number requested.
+ */
+ uint32_t secondary_bin_count;
+
+ /**
+ * Requested size of each secondary DMA buffer.
+ *
+ * While the kernel \b is free to reduce
+ * dma_mga_dma_bootstrap::secondary_bin_count, it is \b not allowed
+ * to reduce dma_mga_dma_bootstrap::secondary_bin_size.
+ */
+ uint32_t secondary_bin_size;
+
+ /**
+ * Bit-wise mask of AGPSTAT2_* values. Currently only \c AGPSTAT2_1X,
+ * \c AGPSTAT2_2X, and \c AGPSTAT2_4X are supported. If this value is
+ * zero, it means that PCI DMA should be used, even if AGP is
+ * possible.
+ *
+ * On return from the DRM_MGA_DMA_BOOTSTRAP ioctl, this field will be
+ * filled in with the actual AGP mode. If AGP was not available
+ * (i.e., PCI DMA was used), this value will be zero.
+ */
+ uint32_t agp_mode;
+
+ /**
+ * Desired AGP GART size, measured in megabytes.
+ */
+ uint8_t agp_size;
+} drm_mga_dma_bootstrap_t;
typedef struct drm_mga_clear {
unsigned int flags;
} drm_mga_clear_t;
typedef struct drm_mga_vertex {
- int idx; /* buffer to queue */
- int used; /* bytes in use */
- int discard; /* client finished with buffer? */
+ int idx; /* buffer to queue */
+ int used; /* bytes in use */
+ int discard; /* client finished with buffer? */
} drm_mga_vertex_t;
typedef struct drm_mga_indices {
- int idx; /* buffer to queue */
+ int idx; /* buffer to queue */
unsigned int start;
unsigned int end;
- int discard; /* client finished with buffer? */
+ int discard; /* client finished with buffer? */
} drm_mga_indices_t;
typedef struct drm_mga_iload {
int src_pitch, dst_pitch;
int delta_sx, delta_sy;
int delta_dx, delta_dy;
- int height, ydir; /* flip image vertically */
+ int height, ydir; /* flip image vertically */
int source_pitch, dest_pitch;
} drm_mga_blit_t;
/* 3.1: An ioctl to get parameters that aren't available to the 3d
- * client any other way.
+ * client any other way.
*/
#define MGA_PARAM_IRQ_NR 1
+/* 3.2: Query the actual card type. The DDX only distinguishes between
+ * G200 chips and non-G200 chips, which it calls G400. It turns out that
+ * there are some very sublte differences between the G4x0 chips and the G550
+ * chips. Using this parameter query, a client-side driver can detect the
+ * difference between a G4x0 and a G550.
+ */
+#define MGA_PARAM_CARD_TYPE 2
+
typedef struct drm_mga_getparam {
int param;
void __user *value;
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