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      1 #ifndef _I810_DRM_H_
      2 #define _I810_DRM_H_
      3 
      4 #include "drm.h"
      5 
      6 #if defined(__cplusplus)
      7 extern "C" {
      8 #endif
      9 
     10 /* WARNING: These defines must be the same as what the Xserver uses.
     11  * if you change them, you must change the defines in the Xserver.
     12  */
     13 
     14 #ifndef _I810_DEFINES_
     15 #define _I810_DEFINES_
     16 
     17 #define I810_DMA_BUF_ORDER		12
     18 #define I810_DMA_BUF_SZ 		(1<<I810_DMA_BUF_ORDER)
     19 #define I810_DMA_BUF_NR 		256
     20 #define I810_NR_SAREA_CLIPRECTS 	8
     21 
     22 /* Each region is a minimum of 64k, and there are at most 64 of them.
     23  */
     24 #define I810_NR_TEX_REGIONS 64
     25 #define I810_LOG_MIN_TEX_REGION_SIZE 16
     26 #endif
     27 
     28 #define I810_UPLOAD_TEX0IMAGE  0x1	/* handled clientside */
     29 #define I810_UPLOAD_TEX1IMAGE  0x2	/* handled clientside */
     30 #define I810_UPLOAD_CTX        0x4
     31 #define I810_UPLOAD_BUFFERS    0x8
     32 #define I810_UPLOAD_TEX0       0x10
     33 #define I810_UPLOAD_TEX1       0x20
     34 #define I810_UPLOAD_CLIPRECTS  0x40
     35 
     36 /* Indices into buf.Setup where various bits of state are mirrored per
     37  * context and per buffer.  These can be fired at the card as a unit,
     38  * or in a piecewise fashion as required.
     39  */
     40 
     41 /* Destbuffer state
     42  *    - backbuffer linear offset and pitch -- invarient in the current dri
     43  *    - zbuffer linear offset and pitch -- also invarient
     44  *    - drawing origin in back and depth buffers.
     45  *
     46  * Keep the depth/back buffer state here to accommodate private buffers
     47  * in the future.
     48  */
     49 #define I810_DESTREG_DI0  0	/* CMD_OP_DESTBUFFER_INFO (2 dwords) */
     50 #define I810_DESTREG_DI1  1
     51 #define I810_DESTREG_DV0  2	/* GFX_OP_DESTBUFFER_VARS (2 dwords) */
     52 #define I810_DESTREG_DV1  3
     53 #define I810_DESTREG_DR0  4	/* GFX_OP_DRAWRECT_INFO (4 dwords) */
     54 #define I810_DESTREG_DR1  5
     55 #define I810_DESTREG_DR2  6
     56 #define I810_DESTREG_DR3  7
     57 #define I810_DESTREG_DR4  8
     58 #define I810_DEST_SETUP_SIZE 10
     59 
     60 /* Context state
     61  */
     62 #define I810_CTXREG_CF0   0	/* GFX_OP_COLOR_FACTOR */
     63 #define I810_CTXREG_CF1   1
     64 #define I810_CTXREG_ST0   2	/* GFX_OP_STIPPLE */
     65 #define I810_CTXREG_ST1   3
     66 #define I810_CTXREG_VF    4	/* GFX_OP_VERTEX_FMT */
     67 #define I810_CTXREG_MT    5	/* GFX_OP_MAP_TEXELS */
     68 #define I810_CTXREG_MC0   6	/* GFX_OP_MAP_COLOR_STAGES - stage 0 */
     69 #define I810_CTXREG_MC1   7	/* GFX_OP_MAP_COLOR_STAGES - stage 1 */
     70 #define I810_CTXREG_MC2   8	/* GFX_OP_MAP_COLOR_STAGES - stage 2 */
     71 #define I810_CTXREG_MA0   9	/* GFX_OP_MAP_ALPHA_STAGES - stage 0 */
     72 #define I810_CTXREG_MA1   10	/* GFX_OP_MAP_ALPHA_STAGES - stage 1 */
     73 #define I810_CTXREG_MA2   11	/* GFX_OP_MAP_ALPHA_STAGES - stage 2 */
     74 #define I810_CTXREG_SDM   12	/* GFX_OP_SRC_DEST_MONO */
     75 #define I810_CTXREG_FOG   13	/* GFX_OP_FOG_COLOR */
     76 #define I810_CTXREG_B1    14	/* GFX_OP_BOOL_1 */
     77 #define I810_CTXREG_B2    15	/* GFX_OP_BOOL_2 */
     78 #define I810_CTXREG_LCS   16	/* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */
     79 #define I810_CTXREG_PV    17	/* GFX_OP_PV_RULE -- Invarient! */
     80 #define I810_CTXREG_ZA    18	/* GFX_OP_ZBIAS_ALPHAFUNC */
     81 #define I810_CTXREG_AA    19	/* GFX_OP_ANTIALIAS */
     82 #define I810_CTX_SETUP_SIZE 20
     83 
     84 /* Texture state (per tex unit)
     85  */
     86 #define I810_TEXREG_MI0  0	/* GFX_OP_MAP_INFO (4 dwords) */
     87 #define I810_TEXREG_MI1  1
     88 #define I810_TEXREG_MI2  2
     89 #define I810_TEXREG_MI3  3
     90 #define I810_TEXREG_MF   4	/* GFX_OP_MAP_FILTER */
     91 #define I810_TEXREG_MLC  5	/* GFX_OP_MAP_LOD_CTL */
     92 #define I810_TEXREG_MLL  6	/* GFX_OP_MAP_LOD_LIMITS */
     93 #define I810_TEXREG_MCS  7	/* GFX_OP_MAP_COORD_SETS ??? */
     94 #define I810_TEX_SETUP_SIZE 8
     95 
     96 /* Flags for clear ioctl
     97  */
     98 #define I810_FRONT   0x1
     99 #define I810_BACK    0x2
    100 #define I810_DEPTH   0x4
    101 
    102 typedef enum _drm_i810_init_func {
    103 	I810_INIT_DMA = 0x01,
    104 	I810_CLEANUP_DMA = 0x02,
    105 	I810_INIT_DMA_1_4 = 0x03
    106 } drm_i810_init_func_t;
    107 
    108 /* This is the init structure after v1.2 */
    109 typedef struct _drm_i810_init {
    110 	drm_i810_init_func_t func;
    111 	unsigned int mmio_offset;
    112 	unsigned int buffers_offset;
    113 	int sarea_priv_offset;
    114 	unsigned int ring_start;
    115 	unsigned int ring_end;
    116 	unsigned int ring_size;
    117 	unsigned int front_offset;
    118 	unsigned int back_offset;
    119 	unsigned int depth_offset;
    120 	unsigned int overlay_offset;
    121 	unsigned int overlay_physical;
    122 	unsigned int w;
    123 	unsigned int h;
    124 	unsigned int pitch;
    125 	unsigned int pitch_bits;
    126 } drm_i810_init_t;
    127 
    128 /* This is the init structure prior to v1.2 */
    129 typedef struct _drm_i810_pre12_init {
    130 	drm_i810_init_func_t func;
    131 	unsigned int mmio_offset;
    132 	unsigned int buffers_offset;
    133 	int sarea_priv_offset;
    134 	unsigned int ring_start;
    135 	unsigned int ring_end;
    136 	unsigned int ring_size;
    137 	unsigned int front_offset;
    138 	unsigned int back_offset;
    139 	unsigned int depth_offset;
    140 	unsigned int w;
    141 	unsigned int h;
    142 	unsigned int pitch;
    143 	unsigned int pitch_bits;
    144 } drm_i810_pre12_init_t;
    145 
    146 /* Warning: If you change the SAREA structure you must change the Xserver
    147  * structure as well */
    148 
    149 typedef struct _drm_i810_tex_region {
    150 	unsigned char next, prev;	/* indices to form a circular LRU  */
    151 	unsigned char in_use;	/* owned by a client, or free? */
    152 	int age;		/* tracked by clients to update local LRU's */
    153 } drm_i810_tex_region_t;
    154 
    155 typedef struct _drm_i810_sarea {
    156 	unsigned int ContextState[I810_CTX_SETUP_SIZE];
    157 	unsigned int BufferState[I810_DEST_SETUP_SIZE];
    158 	unsigned int TexState[2][I810_TEX_SETUP_SIZE];
    159 	unsigned int dirty;
    160 
    161 	unsigned int nbox;
    162 	struct drm_clip_rect boxes[I810_NR_SAREA_CLIPRECTS];
    163 
    164 	/* Maintain an LRU of contiguous regions of texture space.  If
    165 	 * you think you own a region of texture memory, and it has an
    166 	 * age different to the one you set, then you are mistaken and
    167 	 * it has been stolen by another client.  If global texAge
    168 	 * hasn't changed, there is no need to walk the list.
    169 	 *
    170 	 * These regions can be used as a proxy for the fine-grained
    171 	 * texture information of other clients - by maintaining them
    172 	 * in the same lru which is used to age their own textures,
    173 	 * clients have an approximate lru for the whole of global
    174 	 * texture space, and can make informed decisions as to which
    175 	 * areas to kick out.  There is no need to choose whether to
    176 	 * kick out your own texture or someone else's - simply eject
    177 	 * them all in LRU order.
    178 	 */
    179 
    180 	drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS + 1];
    181 	/* Last elt is sentinal */
    182 	int texAge;		/* last time texture was uploaded */
    183 	int last_enqueue;	/* last time a buffer was enqueued */
    184 	int last_dispatch;	/* age of the most recently dispatched buffer */
    185 	int last_quiescent;	/*  */
    186 	int ctxOwner;		/* last context to upload state */
    187 
    188 	int vertex_prim;
    189 
    190 	int pf_enabled;		/* is pageflipping allowed? */
    191 	int pf_active;
    192 	int pf_current_page;	/* which buffer is being displayed? */
    193 } drm_i810_sarea_t;
    194 
    195 /* WARNING: If you change any of these defines, make sure to change the
    196  * defines in the Xserver file (xf86drmMga.h)
    197  */
    198 
    199 /* i810 specific ioctls
    200  * The device specific ioctl range is 0x40 to 0x79.
    201  */
    202 #define DRM_I810_INIT		0x00
    203 #define DRM_I810_VERTEX		0x01
    204 #define DRM_I810_CLEAR		0x02
    205 #define DRM_I810_FLUSH		0x03
    206 #define DRM_I810_GETAGE		0x04
    207 #define DRM_I810_GETBUF		0x05
    208 #define DRM_I810_SWAP		0x06
    209 #define DRM_I810_COPY		0x07
    210 #define DRM_I810_DOCOPY		0x08
    211 #define DRM_I810_OV0INFO	0x09
    212 #define DRM_I810_FSTATUS	0x0a
    213 #define DRM_I810_OV0FLIP	0x0b
    214 #define DRM_I810_MC		0x0c
    215 #define DRM_I810_RSTATUS	0x0d
    216 #define DRM_I810_FLIP		0x0e
    217 
    218 #define DRM_IOCTL_I810_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_INIT, drm_i810_init_t)
    219 #define DRM_IOCTL_I810_VERTEX		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_VERTEX, drm_i810_vertex_t)
    220 #define DRM_IOCTL_I810_CLEAR		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_CLEAR, drm_i810_clear_t)
    221 #define DRM_IOCTL_I810_FLUSH		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_FLUSH)
    222 #define DRM_IOCTL_I810_GETAGE		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_GETAGE)
    223 #define DRM_IOCTL_I810_GETBUF		DRM_IOWR(DRM_COMMAND_BASE + DRM_I810_GETBUF, drm_i810_dma_t)
    224 #define DRM_IOCTL_I810_SWAP		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_SWAP)
    225 #define DRM_IOCTL_I810_COPY		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_COPY, drm_i810_copy_t)
    226 #define DRM_IOCTL_I810_DOCOPY		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_DOCOPY)
    227 #define DRM_IOCTL_I810_OV0INFO		DRM_IOR( DRM_COMMAND_BASE + DRM_I810_OV0INFO, drm_i810_overlay_t)
    228 #define DRM_IOCTL_I810_FSTATUS		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FSTATUS)
    229 #define DRM_IOCTL_I810_OV0FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_OV0FLIP)
    230 #define DRM_IOCTL_I810_MC		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_MC, drm_i810_mc_t)
    231 #define DRM_IOCTL_I810_RSTATUS		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_RSTATUS)
    232 #define DRM_IOCTL_I810_FLIP             DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FLIP)
    233 
    234 typedef struct _drm_i810_clear {
    235 	int clear_color;
    236 	int clear_depth;
    237 	int flags;
    238 } drm_i810_clear_t;
    239 
    240 /* These may be placeholders if we have more cliprects than
    241  * I810_NR_SAREA_CLIPRECTS.  In that case, the client sets discard to
    242  * false, indicating that the buffer will be dispatched again with a
    243  * new set of cliprects.
    244  */
    245 typedef struct _drm_i810_vertex {
    246 	int idx;		/* buffer index */
    247 	int used;		/* nr bytes in use */
    248 	int discard;		/* client is finished with the buffer? */
    249 } drm_i810_vertex_t;
    250 
    251 typedef struct _drm_i810_copy_t {
    252 	int idx;		/* buffer index */
    253 	int used;		/* nr bytes in use */
    254 	void *address;		/* Address to copy from */
    255 } drm_i810_copy_t;
    256 
    257 #define PR_TRIANGLES         (0x0<<18)
    258 #define PR_TRISTRIP_0        (0x1<<18)
    259 #define PR_TRISTRIP_1        (0x2<<18)
    260 #define PR_TRIFAN            (0x3<<18)
    261 #define PR_POLYGON           (0x4<<18)
    262 #define PR_LINES             (0x5<<18)
    263 #define PR_LINESTRIP         (0x6<<18)
    264 #define PR_RECTS             (0x7<<18)
    265 #define PR_MASK              (0x7<<18)
    266 
    267 typedef struct drm_i810_dma {
    268 	void *virtual;
    269 	int request_idx;
    270 	int request_size;
    271 	int granted;
    272 } drm_i810_dma_t;
    273 
    274 typedef struct _drm_i810_overlay_t {
    275 	unsigned int offset;	/* Address of the Overlay Regs */
    276 	unsigned int physical;
    277 } drm_i810_overlay_t;
    278 
    279 typedef struct _drm_i810_mc {
    280 	int idx;		/* buffer index */
    281 	int used;		/* nr bytes in use */
    282 	int num_blocks;		/* number of GFXBlocks */
    283 	int *length;		/* List of lengths for GFXBlocks (FUTURE) */
    284 	unsigned int last_render;	/* Last Render Request */
    285 } drm_i810_mc_t;
    286 
    287 #if defined(__cplusplus)
    288 }
    289 #endif
    290 
    291 #endif				/* _I810_DRM_H_ */
    292