diff options
Diffstat (limited to 'shared/radeon_state.c')
| -rw-r--r-- | shared/radeon_state.c | 1856 |
1 files changed, 1856 insertions, 0 deletions
diff --git a/shared/radeon_state.c b/shared/radeon_state.c new file mode 100644 index 00000000..83fae493 --- /dev/null +++ b/shared/radeon_state.c @@ -0,0 +1,1856 @@ +/* radeon_state.c -- State support for Radeon -*- linux-c -*- + * + * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + * Kevin E. Martin <martin@valinux.com> + */ + +#include "radeon.h" +#include "drmP.h" +#include "drm.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + + +/* ================================================================ + * CP hardware state programming functions + */ + +static __inline__ void radeon_emit_clip_rect( drm_radeon_private_t *dev_priv, + drm_clip_rect_t *box ) +{ + RING_LOCALS; + + DRM_DEBUG( " box: x1=%d y1=%d x2=%d y2=%d\n", + box->x1, box->y1, box->x2, box->y2 ); + + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET0( RADEON_RE_TOP_LEFT, 0 ) ); + OUT_RING( (box->y1 << 16) | box->x1 ); + OUT_RING( CP_PACKET0( RADEON_RE_WIDTH_HEIGHT, 0 ) ); +/* OUT_RING( ((box->y2 - 1) << 16) | (box->x2 - 1) );*/ + OUT_RING( (box->y2 << 16) | box->x2 ); + ADVANCE_RING(); +} + +/* Emit 1.1 state + */ +static void radeon_emit_state( drm_radeon_private_t *dev_priv, + drm_radeon_context_regs_t *ctx, + drm_radeon_texture_regs_t *tex, + unsigned int dirty ) +{ + RING_LOCALS; + DRM_DEBUG( "dirty=0x%08x\n", dirty ); + + if ( dirty & RADEON_UPLOAD_CONTEXT ) { + BEGIN_RING( 14 ); + OUT_RING( CP_PACKET0( RADEON_PP_MISC, 6 ) ); + OUT_RING( ctx->pp_misc ); + OUT_RING( ctx->pp_fog_color ); + OUT_RING( ctx->re_solid_color ); + OUT_RING( ctx->rb3d_blendcntl ); + OUT_RING( ctx->rb3d_depthoffset ); + OUT_RING( ctx->rb3d_depthpitch ); + OUT_RING( ctx->rb3d_zstencilcntl ); + OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 2 ) ); + OUT_RING( ctx->pp_cntl ); + OUT_RING( ctx->rb3d_cntl ); + OUT_RING( ctx->rb3d_coloroffset ); + OUT_RING( CP_PACKET0( RADEON_RB3D_COLORPITCH, 0 ) ); + OUT_RING( ctx->rb3d_colorpitch ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_VERTFMT ) { + BEGIN_RING( 2 ); + OUT_RING( CP_PACKET0( RADEON_SE_COORD_FMT, 0 ) ); + OUT_RING( ctx->se_coord_fmt ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_LINE ) { + BEGIN_RING( 5 ); + OUT_RING( CP_PACKET0( RADEON_RE_LINE_PATTERN, 1 ) ); + OUT_RING( ctx->re_line_pattern ); + OUT_RING( ctx->re_line_state ); + OUT_RING( CP_PACKET0( RADEON_SE_LINE_WIDTH, 0 ) ); + OUT_RING( ctx->se_line_width ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_BUMPMAP ) { + BEGIN_RING( 5 ); + OUT_RING( CP_PACKET0( RADEON_PP_LUM_MATRIX, 0 ) ); + OUT_RING( ctx->pp_lum_matrix ); + OUT_RING( CP_PACKET0( RADEON_PP_ROT_MATRIX_0, 1 ) ); + OUT_RING( ctx->pp_rot_matrix_0 ); + OUT_RING( ctx->pp_rot_matrix_1 ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_MASKS ) { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET0( RADEON_RB3D_STENCILREFMASK, 2 ) ); + OUT_RING( ctx->rb3d_stencilrefmask ); + OUT_RING( ctx->rb3d_ropcntl ); + OUT_RING( ctx->rb3d_planemask ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_VIEWPORT ) { + BEGIN_RING( 7 ); + OUT_RING( CP_PACKET0( RADEON_SE_VPORT_XSCALE, 5 ) ); + OUT_RING( ctx->se_vport_xscale ); + OUT_RING( ctx->se_vport_xoffset ); + OUT_RING( ctx->se_vport_yscale ); + OUT_RING( ctx->se_vport_yoffset ); + OUT_RING( ctx->se_vport_zscale ); + OUT_RING( ctx->se_vport_zoffset ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_SETUP ) { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET0( RADEON_SE_CNTL, 0 ) ); + OUT_RING( ctx->se_cntl ); + OUT_RING( CP_PACKET0( RADEON_SE_CNTL_STATUS, 0 ) ); + OUT_RING( ctx->se_cntl_status ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_MISC ) { + BEGIN_RING( 2 ); + OUT_RING( CP_PACKET0( RADEON_RE_MISC, 0 ) ); + OUT_RING( ctx->re_misc ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_TEX0 ) { + BEGIN_RING( 9 ); + OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_0, 5 ) ); + OUT_RING( tex[0].pp_txfilter ); + OUT_RING( tex[0].pp_txformat ); + OUT_RING( tex[0].pp_txoffset ); + OUT_RING( tex[0].pp_txcblend ); + OUT_RING( tex[0].pp_txablend ); + OUT_RING( tex[0].pp_tfactor ); + OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_0, 0 ) ); + OUT_RING( tex[0].pp_border_color ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_TEX1 ) { + BEGIN_RING( 9 ); + OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_1, 5 ) ); + OUT_RING( tex[1].pp_txfilter ); + OUT_RING( tex[1].pp_txformat ); + OUT_RING( tex[1].pp_txoffset ); + OUT_RING( tex[1].pp_txcblend ); + OUT_RING( tex[1].pp_txablend ); + OUT_RING( tex[1].pp_tfactor ); + OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_1, 0 ) ); + OUT_RING( tex[1].pp_border_color ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_TEX2 ) { + BEGIN_RING( 9 ); + OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_2, 5 ) ); + OUT_RING( tex[2].pp_txfilter ); + OUT_RING( tex[2].pp_txformat ); + OUT_RING( tex[2].pp_txoffset ); + OUT_RING( tex[2].pp_txcblend ); + OUT_RING( tex[2].pp_txablend ); + OUT_RING( tex[2].pp_tfactor ); + OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_2, 0 ) ); + OUT_RING( tex[2].pp_border_color ); + ADVANCE_RING(); + } +} + +/* Emit 1.2 state + */ +static void radeon_emit_state2( drm_radeon_private_t *dev_priv, + drm_radeon_state_t *state ) +{ + RING_LOCALS; + + if (state->dirty & RADEON_UPLOAD_ZBIAS) { + BEGIN_RING( 3 ); + OUT_RING( CP_PACKET0( RADEON_SE_ZBIAS_FACTOR, 1 ) ); + OUT_RING( state->context2.se_zbias_factor ); + OUT_RING( state->context2.se_zbias_constant ); + ADVANCE_RING(); + } + + radeon_emit_state( dev_priv, &state->context, + state->tex, state->dirty ); +} + +/* New (1.3) state mechanism. 3 commands (packet, scalar, vector) in + * 1.3 cmdbuffers allow all previous state to be updated as well as + * the tcl scalar and vector areas. + */ +static struct { + int start; + int len; + const char *name; +} packet[RADEON_MAX_STATE_PACKETS] = { + { RADEON_PP_MISC,7,"RADEON_PP_MISC" }, + { RADEON_PP_CNTL,3,"RADEON_PP_CNTL" }, + { RADEON_RB3D_COLORPITCH,1,"RADEON_RB3D_COLORPITCH" }, + { RADEON_RE_LINE_PATTERN,2,"RADEON_RE_LINE_PATTERN" }, + { RADEON_SE_LINE_WIDTH,1,"RADEON_SE_LINE_WIDTH" }, + { RADEON_PP_LUM_MATRIX,1,"RADEON_PP_LUM_MATRIX" }, + { RADEON_PP_ROT_MATRIX_0,2,"RADEON_PP_ROT_MATRIX_0" }, + { RADEON_RB3D_STENCILREFMASK,3,"RADEON_RB3D_STENCILREFMASK" }, + { RADEON_SE_VPORT_XSCALE,6,"RADEON_SE_VPORT_XSCALE" }, + { RADEON_SE_CNTL,2,"RADEON_SE_CNTL" }, + { RADEON_SE_CNTL_STATUS,1,"RADEON_SE_CNTL_STATUS" }, + { RADEON_RE_MISC,1,"RADEON_RE_MISC" }, + { RADEON_PP_TXFILTER_0,6,"RADEON_PP_TXFILTER_0" }, + { RADEON_PP_BORDER_COLOR_0,1,"RADEON_PP_BORDER_COLOR_0" }, + { RADEON_PP_TXFILTER_1,6,"RADEON_PP_TXFILTER_1" }, + { RADEON_PP_BORDER_COLOR_1,1,"RADEON_PP_BORDER_COLOR_1" }, + { RADEON_PP_TXFILTER_2,6,"RADEON_PP_TXFILTER_2" }, + { RADEON_PP_BORDER_COLOR_2,1,"RADEON_PP_BORDER_COLOR_2" }, + { RADEON_SE_ZBIAS_FACTOR,2,"RADEON_SE_ZBIAS_FACTOR" }, + { RADEON_SE_TCL_OUTPUT_VTX_FMT,11,"RADEON_SE_TCL_OUTPUT_VTX_FMT" }, + { RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED,17,"RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED" }, +}; + + + + + + + + + + +#if RADEON_PERFORMANCE_BOXES +/* ================================================================ + * Performance monitoring functions + */ + +static void radeon_clear_box( drm_radeon_private_t *dev_priv, + int x, int y, int w, int h, + int r, int g, int b ) +{ + u32 pitch, offset; + u32 color; + RING_LOCALS; + + switch ( dev_priv->color_fmt ) { + case RADEON_COLOR_FORMAT_RGB565: + color = (((r & 0xf8) << 8) | + ((g & 0xfc) << 3) | + ((b & 0xf8) >> 3)); + break; + case RADEON_COLOR_FORMAT_ARGB8888: + default: + color = (((0xff) << 24) | (r << 16) | (g << 8) | b); + break; + } + + offset = dev_priv->back_offset; + pitch = dev_priv->back_pitch >> 3; + + BEGIN_RING( 6 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_P | + RADEON_GMC_CLR_CMP_CNTL_DIS ); + + OUT_RING( (pitch << 22) | (offset >> 5) ); + OUT_RING( color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); +} + +static void radeon_cp_performance_boxes( drm_radeon_private_t *dev_priv ) +{ + if ( atomic_read( &dev_priv->idle_count ) == 0 ) { + radeon_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 ); + } else { + atomic_set( &dev_priv->idle_count, 0 ); + } +} + +#endif + + +/* ================================================================ + * CP command dispatch functions + */ + +static void radeon_cp_dispatch_clear( drm_device_t *dev, + drm_radeon_clear_t *clear, + drm_radeon_clear_rect_t *depth_boxes ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_radeon_depth_clear_t *depth_clear = &dev_priv->depth_clear; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + unsigned int flags = clear->flags; + u32 rb3d_cntl = 0, rb3d_stencilrefmask= 0; + int i; + RING_LOCALS; + DRM_DEBUG( "flags = 0x%x\n", flags ); + + if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { + unsigned int tmp = flags; + + flags &= ~(RADEON_FRONT | RADEON_BACK); + if ( tmp & RADEON_FRONT ) flags |= RADEON_BACK; + if ( tmp & RADEON_BACK ) flags |= RADEON_FRONT; + } + + /* We have to clear the depth and/or stencil buffers by + * rendering a quad into just those buffers. Thus, we have to + * make sure the 3D engine is configured correctly. + */ + if ( flags & (RADEON_DEPTH | RADEON_STENCIL) ) { + rb3d_cntl = depth_clear->rb3d_cntl; + + if ( flags & RADEON_DEPTH ) { + rb3d_cntl |= RADEON_Z_ENABLE; + } else { + rb3d_cntl &= ~RADEON_Z_ENABLE; + } + + if ( flags & RADEON_STENCIL ) { + rb3d_cntl |= RADEON_STENCIL_ENABLE; + rb3d_stencilrefmask = clear->depth_mask; /* misnamed field */ + } else { + rb3d_cntl &= ~RADEON_STENCIL_ENABLE; + rb3d_stencilrefmask = 0x00000000; + } + } + + for ( i = 0 ; i < nbox ; i++ ) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n", + x, y, w, h, flags ); + + if ( flags & (RADEON_FRONT | RADEON_BACK) ) { + BEGIN_RING( 4 ); + + /* Ensure the 3D stream is idle before doing a + * 2D fill to clear the front or back buffer. + */ + RADEON_WAIT_UNTIL_3D_IDLE(); + + OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) ); + OUT_RING( clear->color_mask ); + + ADVANCE_RING(); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->ctx_owner = 0; + } + + if ( flags & RADEON_FRONT ) { + BEGIN_RING( 6 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_P | + RADEON_GMC_CLR_CMP_CNTL_DIS ); + + OUT_RING( dev_priv->front_pitch_offset ); + OUT_RING( clear->clear_color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + if ( flags & RADEON_BACK ) { + BEGIN_RING( 6 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_P | + RADEON_GMC_CLR_CMP_CNTL_DIS ); + + OUT_RING( dev_priv->back_pitch_offset ); + OUT_RING( clear->clear_color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + if ( flags & (RADEON_DEPTH | RADEON_STENCIL) ) { + + radeon_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); + + BEGIN_RING( 28 ); + + RADEON_WAIT_UNTIL_2D_IDLE(); + + OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 1 ) ); + OUT_RING( 0x00000000 ); + OUT_RING( rb3d_cntl ); + + OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL, + depth_clear->rb3d_zstencilcntl ); + OUT_RING_REG( RADEON_RB3D_STENCILREFMASK, + rb3d_stencilrefmask ); + OUT_RING_REG( RADEON_RB3D_PLANEMASK, + 0x00000000 ); + OUT_RING_REG( RADEON_SE_CNTL, + depth_clear->se_cntl ); + + /* Radeon 7500 doesn't like vertices without + * color. + */ + OUT_RING( CP_PACKET3( RADEON_3D_DRAW_IMMD, 13 ) ); + OUT_RING( RADEON_VTX_Z_PRESENT | + RADEON_VTX_PKCOLOR_PRESENT); + OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST | + RADEON_PRIM_WALK_RING | + RADEON_MAOS_ENABLE | + RADEON_VTX_FMT_RADEON_MODE | + (3 << RADEON_NUM_VERTICES_SHIFT)) ); + + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x0 ); + + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x0 ); + + OUT_RING( depth_boxes[i].ui[CLEAR_X2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x0 ); + + ADVANCE_RING(); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->ctx_owner = 0; + } + } + + /* Increment the clear counter. The client-side 3D driver must + * wait on this value before performing the clear ioctl. We + * need this because the card's so damned fast... + */ + dev_priv->sarea_priv->last_clear++; + + BEGIN_RING( 4 ); + + RADEON_CLEAR_AGE( dev_priv->sarea_priv->last_clear ); + RADEON_WAIT_UNTIL_IDLE(); + + ADVANCE_RING(); +} + +static void radeon_cp_dispatch_swap( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int i; + RING_LOCALS; + DRM_DEBUG( "\n" ); + +#if RADEON_PERFORMANCE_BOXES + /* Do some trivial performance monitoring... + */ + radeon_cp_performance_boxes( dev_priv ); +#endif + + /* Wait for the 3D stream to idle before dispatching the bitblt. + * This will prevent data corruption between the two streams. + */ + BEGIN_RING( 2 ); + + RADEON_WAIT_UNTIL_3D_IDLE(); + + ADVANCE_RING(); + + for ( i = 0 ; i < nbox ; i++ ) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + DRM_DEBUG( "dispatch swap %d,%d-%d,%d\n", + x, y, w, h ); + + BEGIN_RING( 7 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_BITBLT_MULTI, 5 ) ); + OUT_RING( RADEON_GMC_SRC_PITCH_OFFSET_CNTL | + RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_NONE | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_S | + RADEON_DP_SRC_SOURCE_MEMORY | + RADEON_GMC_CLR_CMP_CNTL_DIS | + RADEON_GMC_WR_MSK_DIS ); + + /* Make this work even if front & back are flipped: + */ + if (dev_priv->current_page == 0) { + OUT_RING( dev_priv->back_pitch_offset ); + OUT_RING( dev_priv->front_pitch_offset ); + } + else { + OUT_RING( dev_priv->front_pitch_offset ); + OUT_RING( dev_priv->back_pitch_offset ); + } + + OUT_RING( (x << 16) | y ); + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + + BEGIN_RING( 4 ); + + RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame ); + RADEON_WAIT_UNTIL_2D_IDLE(); + + ADVANCE_RING(); +} + +static void radeon_cp_dispatch_flip( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + DRM_DEBUG( "page=%d\n", dev_priv->current_page ); + +#if RADEON_PERFORMANCE_BOXES + /* Do some trivial performance monitoring... + */ + radeon_cp_performance_boxes( dev_priv ); +#endif + + BEGIN_RING( 4 ); + + RADEON_WAIT_UNTIL_3D_IDLE(); +/* + RADEON_WAIT_UNTIL_PAGE_FLIPPED(); +*/ + OUT_RING( CP_PACKET0( RADEON_CRTC_OFFSET, 0 ) ); + + if ( dev_priv->current_page == 0 ) { + OUT_RING( dev_priv->back_offset ); + dev_priv->current_page = 1; + } else { + OUT_RING( dev_priv->front_offset ); + dev_priv->current_page = 0; + } + + ADVANCE_RING(); + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page; + + BEGIN_RING( 2 ); + + RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame ); + + ADVANCE_RING(); +} + +static int bad_prim_vertex_nr( int primitive, int nr ) +{ + switch (primitive & RADEON_PRIM_TYPE_MASK) { + case RADEON_PRIM_TYPE_NONE: + case RADEON_PRIM_TYPE_POINT: + return nr < 1; + case RADEON_PRIM_TYPE_LINE: + return (nr & 1) || nr == 0; + case RADEON_PRIM_TYPE_LINE_STRIP: + return nr < 2; + case RADEON_PRIM_TYPE_TRI_LIST: + case RADEON_PRIM_TYPE_3VRT_POINT_LIST: + case RADEON_PRIM_TYPE_3VRT_LINE_LIST: + case RADEON_PRIM_TYPE_RECT_LIST: + return nr % 3 || nr == 0; + case RADEON_PRIM_TYPE_TRI_FAN: + case RADEON_PRIM_TYPE_TRI_STRIP: + return nr < 3; + default: + return 1; + } +} + + + +typedef struct { + unsigned int start; + unsigned int finish; + unsigned int prim; + unsigned int numverts; + unsigned int offset; + unsigned int vc_format; +} drm_radeon_tcl_prim_t; + +static void radeon_cp_dispatch_vertex( drm_device_t *dev, + drm_buf_t *buf, + drm_radeon_tcl_prim_t *prim, + drm_clip_rect_t *boxes, + int nbox ) + +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_clip_rect_t box; + int offset = dev_priv->agp_buffers_offset + buf->offset + prim->start; + int numverts = (int)prim->numverts; + int i = 0; + RING_LOCALS; + + DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d %d verts\n", + prim->prim, + prim->vc_format, + prim->start, + prim->finish, + prim->numverts); + + if (bad_prim_vertex_nr( prim->prim, prim->numverts )) { + DRM_ERROR( "bad prim %x numverts %d\n", + prim->prim, prim->numverts ); + return; + } + + do { + /* Emit the next cliprect */ + if ( i < nbox ) { + if (DRM_COPY_FROM_USER_UNCHECKED( &box, &boxes[i], sizeof(box) )) + return; + + radeon_emit_clip_rect( dev_priv, &box ); + } + + /* Emit the vertex buffer rendering commands */ + BEGIN_RING( 5 ); + + OUT_RING( CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, 3 ) ); + OUT_RING( offset ); + OUT_RING( numverts ); + OUT_RING( prim->vc_format ); + OUT_RING( prim->prim | RADEON_PRIM_WALK_LIST | + RADEON_COLOR_ORDER_RGBA | + RADEON_VTX_FMT_RADEON_MODE | + (numverts << RADEON_NUM_VERTICES_SHIFT) ); + + ADVANCE_RING(); + + i++; + } while ( i < nbox ); +} + + + +static void radeon_cp_discard_buffer( drm_device_t *dev, drm_buf_t *buf ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_buf_priv_t *buf_priv = buf->dev_private; + RING_LOCALS; + + buf_priv->age = ++dev_priv->sarea_priv->last_dispatch; + + /* Emit the vertex buffer age */ + BEGIN_RING( 2 ); + RADEON_DISPATCH_AGE( buf_priv->age ); + ADVANCE_RING(); + + buf->pending = 1; + buf->used = 0; +} + +static void radeon_cp_dispatch_indirect( drm_device_t *dev, + drm_buf_t *buf, + int start, int end ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n", + buf->idx, start, end ); + + if ( start != end ) { + int offset = (dev_priv->agp_buffers_offset + + buf->offset + start); + int dwords = (end - start + 3) / sizeof(u32); + + /* Indirect buffer data must be an even number of + * dwords, so if we've been given an odd number we must + * pad the data with a Type-2 CP packet. + */ + if ( dwords & 1 ) { + u32 *data = (u32 *) + ((char *)dev_priv->buffers->handle + + buf->offset + start); + data[dwords++] = RADEON_CP_PACKET2; + } + + /* Fire off the indirect buffer */ + BEGIN_RING( 3 ); + + OUT_RING( CP_PACKET0( RADEON_CP_IB_BASE, 1 ) ); + OUT_RING( offset ); + OUT_RING( dwords ); + + ADVANCE_RING(); + } +} + + +static void radeon_cp_dispatch_indices( drm_device_t *dev, + drm_buf_t *elt_buf, + drm_radeon_tcl_prim_t *prim, + drm_clip_rect_t *boxes, + int nbox ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_clip_rect_t box; + int offset = dev_priv->agp_buffers_offset + prim->offset; + u32 *data; + int dwords; + int i = 0; + int start = prim->start + RADEON_INDEX_PRIM_OFFSET; + int count = (prim->finish - start) / sizeof(u16); + + DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d offset: %x nr %d\n", + prim->prim, + prim->vc_format, + prim->start, + prim->finish, + prim->offset, + prim->numverts); + + if (bad_prim_vertex_nr( prim->prim, count )) { + DRM_ERROR( "bad prim %x count %d\n", + prim->prim, count ); + return; + } + + + if ( start >= prim->finish || + (prim->start & 0x7) ) { + DRM_ERROR( "buffer prim %d\n", prim->prim ); + return; + } + + dwords = (prim->finish - prim->start + 3) / sizeof(u32); + + data = (u32 *)((char *)dev_priv->buffers->handle + + elt_buf->offset + prim->start); + + data[0] = CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, dwords-2 ); + data[1] = offset; + data[2] = prim->numverts; + data[3] = prim->vc_format; + data[4] = (prim->prim | + RADEON_PRIM_WALK_IND | + RADEON_COLOR_ORDER_RGBA | + RADEON_VTX_FMT_RADEON_MODE | + (count << RADEON_NUM_VERTICES_SHIFT) ); + + do { + if ( i < nbox ) { + if (DRM_COPY_FROM_USER_UNCHECKED( &box, &boxes[i], sizeof(box) )) + return; + + radeon_emit_clip_rect( dev_priv, &box ); + } + + radeon_cp_dispatch_indirect( dev, elt_buf, + prim->start, + prim->finish ); + + i++; + } while ( i < nbox ); + +} + +#define RADEON_MAX_TEXTURE_SIZE (RADEON_BUFFER_SIZE - 8 * sizeof(u32)) + +static int radeon_cp_dispatch_texture( drm_device_t *dev, + drm_radeon_texture_t *tex, + drm_radeon_tex_image_t *image ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_buf_t *buf; + u32 format; + u32 *buffer; + const u8 *data; + int size, dwords, tex_width, blit_width; + u32 y, height; + int ret = 0, i; + RING_LOCALS; + + /* FIXME: Be smarter about this... + */ + buf = radeon_freelist_get( dev ); + if ( !buf ) return DRM_ERR(EAGAIN); + + DRM_DEBUG( "tex: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n", + tex->offset >> 10, tex->pitch, tex->format, + image->x, image->y, image->width, image->height ); + + /* The compiler won't optimize away a division by a variable, + * even if the only legal values are powers of two. Thus, we'll + * use a shift instead. + */ + switch ( tex->format ) { + case RADEON_TXFORMAT_ARGB8888: + case RADEON_TXFORMAT_RGBA8888: + format = RADEON_COLOR_FORMAT_ARGB8888; + tex_width = tex->width * 4; + blit_width = image->width * 4; + break; + case RADEON_TXFORMAT_AI88: + case RADEON_TXFORMAT_ARGB1555: + case RADEON_TXFORMAT_RGB565: + case RADEON_TXFORMAT_ARGB4444: + format = RADEON_COLOR_FORMAT_RGB565; + tex_width = tex->width * 2; + blit_width = image->width * 2; + break; + case RADEON_TXFORMAT_I8: + case RADEON_TXFORMAT_RGB332: + format = RADEON_COLOR_FORMAT_CI8; + tex_width = tex->width * 1; + blit_width = image->width * 1; + break; + default: + DRM_ERROR( "invalid texture format %d\n", tex->format ); + return DRM_ERR(EINVAL); + } + + DRM_DEBUG( " tex=%dx%d blit=%d\n", + tex_width, tex->height, blit_width ); + + /* Flush the pixel cache. This ensures no pixel data gets mixed + * up with the texture data from the host data blit, otherwise + * part of the texture image may be corrupted. + */ + BEGIN_RING( 4 ); + + RADEON_FLUSH_CACHE(); + RADEON_WAIT_UNTIL_IDLE(); + + ADVANCE_RING(); + +#ifdef __BIG_ENDIAN + /* The Mesa texture functions provide the data in little endian as the + * chip wants it, but we need to compensate for the fact that the CP + * ring gets byte-swapped + */ + BEGIN_RING( 2 ); + OUT_RING_REG( RADEON_RBBM_GUICNTL, RADEON_HOST_DATA_SWAP_32BIT ); + ADVANCE_RING(); +#endif + + /* Make a copy of the parameters in case we have to update them + * for a multi-pass texture blit. + */ + y = image->y; + height = image->height; + data = (const u8 *)image->data; + + size = height * blit_width; + + if ( size > RADEON_MAX_TEXTURE_SIZE ) { + /* Texture image is too large, do a multipass upload */ + ret = DRM_ERR(EAGAIN); + + /* Adjust the blit size to fit the indirect buffer */ + height = RADEON_MAX_TEXTURE_SIZE / blit_width; + size = height * blit_width; + + /* Update the input parameters for next time */ + image->y += height; + image->height -= height; + image->data = (const char *)image->data + size; + + if ( DRM_COPY_TO_USER( tex->image, image, sizeof(*image) ) ) { + DRM_ERROR( "EFAULT on tex->image\n" ); + return DRM_ERR(EFAULT); + } + } else if ( size < 4 && size > 0 ) { + size = 4; + } + + dwords = size / 4; + + /* Dispatch the indirect buffer. + */ + buffer = (u32 *)((char *)dev_priv->buffers->handle + buf->offset); + + buffer[0] = CP_PACKET3( RADEON_CNTL_HOSTDATA_BLT, dwords + 6 ); + buffer[1] = (RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_NONE | + (format << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_S | + RADEON_DP_SRC_SOURCE_HOST_DATA | + RADEON_GMC_CLR_CMP_CNTL_DIS | + RADEON_GMC_WR_MSK_DIS); + + buffer[2] = (tex->pitch << 22) | (tex->offset >> 10); + buffer[3] = 0xffffffff; + buffer[4] = 0xffffffff; + buffer[5] = (y << 16) | image->x; + buffer[6] = (height << 16) | image->width; + buffer[7] = dwords; + + buffer += 8; + + if ( tex_width >= 32 ) { + /* Texture image width is larger than the minimum, so we + * can upload it directly. + */ + if ( DRM_COPY_FROM_USER( buffer, data, dwords * sizeof(u32) ) ) { + DRM_ERROR( "EFAULT on data, %d dwords\n", dwords ); + return DRM_ERR(EFAULT); + } + } else { + /* Texture image width is less than the minimum, so we + * need to pad out each image scanline to the minimum + * width. + */ + for ( i = 0 ; i < tex->height ; i++ ) { + if ( DRM_COPY_FROM_USER( buffer, data, tex_width ) ) { + DRM_ERROR( "EFAULT on pad, %d bytes\n", + tex_width ); + return DRM_ERR(EFAULT); + } + buffer += 8; + data += tex_width; + } + } + + buf->pid = DRM_CURRENTPID; + buf->used = (dwords + 8) * sizeof(u32); + + radeon_cp_dispatch_indirect( dev, buf, 0, buf->used ); + radeon_cp_discard_buffer( dev, buf ); + + /* Flush the pixel cache after the blit completes. This ensures + * the texture data is written out to memory before rendering + * continues. + */ + BEGIN_RING( 4 ); + + RADEON_FLUSH_CACHE(); + RADEON_WAIT_UNTIL_2D_IDLE(); + + ADVANCE_RING(); + + return ret; +} + +static void radeon_cp_dispatch_stipple( drm_device_t *dev, u32 *stipple ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + int i; + RING_LOCALS; + DRM_DEBUG( "\n" ); + + BEGIN_RING( 35 ); + + OUT_RING( CP_PACKET0( RADEON_RE_STIPPLE_ADDR, 0 ) ); + OUT_RING( 0x00000000 ); + + OUT_RING( CP_PACKET0_TABLE( RADEON_RE_STIPPLE_DATA, 31 ) ); + for ( i = 0 ; i < 32 ; i++ ) { + OUT_RING( stipple[i] ); + } + + ADVANCE_RING(); +} + + +/* ================================================================ + * IOCTL functions + */ + +int radeon_cp_clear( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_radeon_clear_t clear; + drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS]; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev ); + + DRM_COPY_FROM_USER_IOCTL( clear, (drm_radeon_clear_t *)data, + sizeof(clear) ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; + + if ( DRM_COPY_FROM_USER( &depth_boxes, clear.depth_boxes, + sarea_priv->nbox * sizeof(depth_boxes[0]) ) ) + return DRM_ERR(EFAULT); + + radeon_cp_dispatch_clear( dev, &clear, depth_boxes ); + + COMMIT_RING(); + return 0; +} + + + +/* Not sure why this isn't set all the time: + */ +static int radeon_do_init_pageflip( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + DRM_DEBUG( "\n" ); + + dev_priv->crtc_offset_cntl = RADEON_READ( RADEON_CRTC_OFFSET_CNTL ); + + BEGIN_RING( 4 ); + RADEON_WAIT_UNTIL_3D_IDLE(); + OUT_RING( CP_PACKET0( RADEON_CRTC_OFFSET_CNTL, 0 ) ); + OUT_RING( dev_priv->crtc_offset_cntl | RADEON_CRTC_OFFSET_FLIP_CNTL ); + ADVANCE_RING(); + + dev_priv->page_flipping = 1; + dev_priv->current_page = 0; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page; + + return 0; +} + +int radeon_do_cleanup_pageflip( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + if (dev_priv->current_page != 0) + radeon_cp_dispatch_flip( dev ); + + /* FIXME: If the X server changes screen resolution, it + * clobbers the value of RADEON_CRTC_OFFSET_CNTL, above, + * leading to a flashing efect. + */ + dev_priv->page_flipping = 0; + return 0; +} + +/* Swapping and flipping are different operations, need different ioctls. + * They can & should be intermixed to support multiple 3d windows. + */ +int radeon_cp_flip( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if (!dev_priv->page_flipping) + radeon_do_init_pageflip( dev ); + + radeon_cp_dispatch_flip( dev ); + + COMMIT_RING(); + return 0; +} + +int radeon_cp_swap( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; + + radeon_cp_dispatch_swap( dev ); + dev_priv->sarea_priv->ctx_owner = 0; + + COMMIT_RING(); + return 0; +} + +int radeon_cp_vertex( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_vertex_t vertex; + drm_radeon_tcl_prim_t prim; + + LOCK_TEST_WITH_RETURN( dev ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __func__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( vertex, (drm_radeon_vertex_t *)data, + sizeof(vertex) ); + + DRM_DEBUG( "pid=%d index=%d count=%d discard=%d\n", + DRM_CURRENTPID, + vertex.idx, vertex.count, vertex.discard ); + + if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + vertex.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + if ( vertex.prim < 0 || + vertex.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { + DRM_ERROR( "buffer prim %d\n", vertex.prim ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[vertex.idx]; + + if ( buf->pid != DRM_CURRENTPID ) { + DRM_ERROR( "process %d using buffer owned by %d\n", + DRM_CURRENTPID, buf->pid ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); + return DRM_ERR(EINVAL); + } + + /* Build up a prim_t record: + */ + if (vertex.count) { + buf->used = vertex.count; /* not used? */ + + if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) { + radeon_emit_state( dev_priv, + &sarea_priv->context_state, + sarea_priv->tex_state, + sarea_priv->dirty ); + + sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES | + RADEON_UPLOAD_TEX1IMAGES | + RADEON_UPLOAD_TEX2IMAGES | + RADEON_REQUIRE_QUIESCENCE); + } + + prim.start = 0; + prim.finish = vertex.count; /* unused */ + prim.prim = vertex.prim; + prim.numverts = vertex.count; + prim.vc_format = dev_priv->sarea_priv->vc_format; + + radeon_cp_dispatch_vertex( dev, buf, &prim, + dev_priv->sarea_priv->boxes, + dev_priv->sarea_priv->nbox ); + } + + if (vertex.discard) { + radeon_cp_discard_buffer( dev, buf ); + } + + COMMIT_RING(); + return 0; +} + +int radeon_cp_indices( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_indices_t elts; + drm_radeon_tcl_prim_t prim; + int count; + + LOCK_TEST_WITH_RETURN( dev ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __func__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( elts, (drm_radeon_indices_t *)data, + sizeof(elts) ); + + DRM_DEBUG( "pid=%d index=%d start=%d end=%d discard=%d\n", + DRM_CURRENTPID, + elts.idx, elts.start, elts.end, elts.discard ); + + if ( elts.idx < 0 || elts.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + elts.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + if ( elts.prim < 0 || + elts.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { + DRM_ERROR( "buffer prim %d\n", elts.prim ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[elts.idx]; + + if ( buf->pid != DRM_CURRENTPID ) { + DRM_ERROR( "process %d using buffer owned by %d\n", + DRM_CURRENTPID, buf->pid ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", elts.idx ); + return DRM_ERR(EINVAL); + } + + count = (elts.end - elts.start) / sizeof(u16); + elts.start -= RADEON_INDEX_PRIM_OFFSET; + + if ( elts.start & 0x7 ) { + DRM_ERROR( "misaligned buffer 0x%x\n", elts.start ); + return DRM_ERR(EINVAL); + } + if ( elts.start < buf->used ) { + DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used ); + return DRM_ERR(EINVAL); + } + + buf->used = elts.end; + + if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) { + radeon_emit_state( dev_priv, + &sarea_priv->context_state, + sarea_priv->tex_state, + sarea_priv->dirty ); + + sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES | + RADEON_UPLOAD_TEX1IMAGES | + RADEON_UPLOAD_TEX2IMAGES | + RADEON_REQUIRE_QUIESCENCE); + } + + + /* Build up a prim_t record: + */ + prim.start = elts.start; + prim.finish = elts.end; + prim.prim = elts.prim; + prim.offset = 0; /* offset from start of dma buffers */ + prim.numverts = RADEON_MAX_VB_VERTS; /* duh */ + prim.vc_format = dev_priv->sarea_priv->vc_format; + + radeon_cp_dispatch_indices( dev, buf, &prim, + dev_priv->sarea_priv->boxes, + dev_priv->sarea_priv->nbox ); + if (elts.discard) { + radeon_cp_discard_buffer( dev, buf ); + } + + COMMIT_RING(); + return 0; +} + +int radeon_cp_texture( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_texture_t tex; + drm_radeon_tex_image_t image; + int ret; + + LOCK_TEST_WITH_RETURN( dev ); + + DRM_COPY_FROM_USER_IOCTL( tex, (drm_radeon_texture_t *)data, sizeof(tex) ); + + if ( tex.image == NULL ) { + DRM_ERROR( "null texture image!\n" ); + return DRM_ERR(EINVAL); + } + + if ( DRM_COPY_FROM_USER( &image, + (drm_radeon_tex_image_t *)tex.image, + sizeof(image) ) ) + return DRM_ERR(EFAULT); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + ret = radeon_cp_dispatch_texture( dev, &tex, &image ); + + COMMIT_RING(); + return ret; +} + +int radeon_cp_stipple( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_stipple_t stipple; + u32 mask[32]; + + LOCK_TEST_WITH_RETURN( dev ); + + DRM_COPY_FROM_USER_IOCTL( stipple, (drm_radeon_stipple_t *)data, + sizeof(stipple) ); + + if ( DRM_COPY_FROM_USER( &mask, stipple.mask, 32 * sizeof(u32) ) ) + return DRM_ERR(EFAULT); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + radeon_cp_dispatch_stipple( dev, mask ); + + COMMIT_RING(); + return 0; +} + +int radeon_cp_indirect( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_indirect_t indirect; + RING_LOCALS; + + LOCK_TEST_WITH_RETURN( dev ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __func__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( indirect, (drm_radeon_indirect_t *)data, + sizeof(indirect) ); + + DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n", + indirect.idx, indirect.start, + indirect.end, indirect.discard ); + + if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + indirect.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + + buf = dma->buflist[indirect.idx]; + + if ( buf->pid != DRM_CURRENTPID ) { + DRM_ERROR( "process %d using buffer owned by %d\n", + DRM_CURRENTPID, buf->pid ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", indirect.idx ); + return DRM_ERR(EINVAL); + } + + if ( indirect.start < buf->used ) { + DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n", + indirect.start, buf->used ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf->used = indirect.end; + + /* Wait for the 3D stream to idle before the indirect buffer + * containing 2D acceleration commands is processed. + */ + BEGIN_RING( 2 ); + + RADEON_WAIT_UNTIL_3D_IDLE(); + + ADVANCE_RING(); + + /* Dispatch the indirect buffer full of commands from the + * X server. This is insecure and is thus only available to + * privileged clients. + */ + radeon_cp_dispatch_indirect( dev, buf, indirect.start, indirect.end ); + if (indirect.discard) { + radeon_cp_discard_buffer( dev, buf ); + } + + + COMMIT_RING(); + return 0; +} + +int radeon_cp_vertex2( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_vertex2_t vertex; + int i; + unsigned char laststate; + + LOCK_TEST_WITH_RETURN( dev ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __func__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( vertex, (drm_radeon_vertex2_t *)data, + sizeof(vertex) ); + + DRM_DEBUG( "pid=%d index=%d discard=%d\n", + DRM_CURRENTPID, + vertex.idx, vertex.discard ); + + if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + vertex.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[vertex.idx]; + + if ( buf->pid != DRM_CURRENTPID ) { + DRM_ERROR( "process %d using buffer owned by %d\n", + DRM_CURRENTPID, buf->pid ); + return DRM_ERR(EINVAL); + } + + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); + return DRM_ERR(EINVAL); + } + + if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS) + return DRM_ERR(EINVAL); + + for (laststate = 0xff, i = 0 ; i < vertex.nr_prims ; i++) { + drm_radeon_prim_t prim; + drm_radeon_tcl_prim_t tclprim; + + if ( DRM_COPY_FROM_USER( &prim, &vertex.prim[i], sizeof(prim) ) ) + return DRM_ERR(EFAULT); + + if ( prim.stateidx != laststate ) { + drm_radeon_state_t state; + + if ( DRM_COPY_FROM_USER( &state, + &vertex.state[prim.stateidx], + sizeof(state) ) ) + return DRM_ERR(EFAULT); + + radeon_emit_state2( dev_priv, &state ); + + laststate = prim.stateidx; + } + + tclprim.start = prim.start; + tclprim.finish = prim.finish; + tclprim.prim = prim.prim; + tclprim.vc_format = prim.vc_format; + + if ( prim.prim & RADEON_PRIM_WALK_IND ) { + tclprim.offset = prim.numverts * 64; + tclprim.numverts = RADEON_MAX_VB_VERTS; /* duh */ + + radeon_cp_dispatch_indices( dev, buf, &tclprim, + sarea_priv->boxes, + sarea_priv->nbox); + } else { + tclprim.numverts = prim.numverts; + tclprim.offset = 0; /* not used */ + + radeon_cp_dispatch_vertex( dev, buf, &tclprim, + sarea_priv->boxes, + sarea_priv->nbox); + } + + if (sarea_priv->nbox == 1) + sarea_priv->nbox = 0; + } + + if ( vertex.discard ) { + radeon_cp_discard_buffer( dev, buf ); + } + + COMMIT_RING(); + return 0; +} + + +static int radeon_emit_packets( + drm_radeon_private_t *dev_priv, + drm_radeon_cmd_header_t header, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + int id = (int)header.packet.packet_id; + int sz = packet[id].len; + int reg = packet[id].start; + int *data = (int *)cmdbuf->buf; + RING_LOCALS; + + if (sz * sizeof(int) > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + BEGIN_RING(sz+1); + OUT_RING( CP_PACKET0( reg, (sz-1) ) ); + OUT_RING_USER_TABLE( data, sz ); + ADVANCE_RING(); + + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + +static __inline__ int radeon_emit_scalars( + drm_radeon_private_t *dev_priv, + drm_radeon_cmd_header_t header, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + int sz = header.scalars.count; + int *data = (int *)cmdbuf->buf; + int start = header.scalars.offset; + int stride = header.scalars.stride; + RING_LOCALS; + + BEGIN_RING( 3+sz ); + OUT_RING( CP_PACKET0( RADEON_SE_TCL_SCALAR_INDX_REG, 0 ) ); + OUT_RING( start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT)); + OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_SCALAR_DATA_REG, sz-1 ) ); + OUT_RING_USER_TABLE( data, sz ); + ADVANCE_RING(); + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + +static __inline__ int radeon_emit_vectors( + drm_radeon_private_t *dev_priv, + drm_radeon_cmd_header_t header, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + int sz = header.vectors.count; + int *data = (int *)cmdbuf->buf; + int start = header.vectors.offset; + int stride = header.vectors.stride; + RING_LOCALS; + + BEGIN_RING( 3+sz ); + OUT_RING( CP_PACKET0( RADEON_SE_TCL_VECTOR_INDX_REG, 0 ) ); + OUT_RING( start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT)); + OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_VECTOR_DATA_REG, (sz-1) ) ); + OUT_RING_USER_TABLE( data, sz ); + ADVANCE_RING(); + + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + + +static int radeon_emit_packet3( drm_device_t *dev, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + int cmdsz, tmp; + int *cmd = (int *)cmdbuf->buf; + RING_LOCALS; + + + DRM_DEBUG("\n"); + + if (DRM_GET_USER_UNCHECKED( tmp, &cmd[0])) + return DRM_ERR(EFAULT); + + cmdsz = 2 + ((tmp & RADEON_CP_PACKET_COUNT_MASK) >> 16); + + if ((tmp & 0xc0000000) != RADEON_CP_PACKET3 || + cmdsz * 4 > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + BEGIN_RING( cmdsz ); + OUT_RING_USER_TABLE( cmd, cmdsz ); + ADVANCE_RING(); + + cmdbuf->buf += cmdsz * 4; + cmdbuf->bufsz -= cmdsz * 4; + return 0; +} + + +static int radeon_emit_packet3_cliprect( drm_device_t *dev, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_clip_rect_t box; + int cmdsz, tmp; + int *cmd = (int *)cmdbuf->buf; + drm_clip_rect_t *boxes = cmdbuf->boxes; + int i = 0; + RING_LOCALS; + + DRM_DEBUG("\n"); + + if (DRM_GET_USER_UNCHECKED( tmp, &cmd[0])) + return DRM_ERR(EFAULT); + + cmdsz = 2 + ((tmp & RADEON_CP_PACKET_COUNT_MASK) >> 16); + + if ((tmp & 0xc0000000) != RADEON_CP_PACKET3 || + cmdsz * 4 > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + do { + if ( i < cmdbuf->nbox ) { + if (DRM_COPY_FROM_USER_UNCHECKED( &box, &boxes[i], sizeof(box) )) + return DRM_ERR(EFAULT); + radeon_emit_clip_rect( dev_priv, &box ); + } + + BEGIN_RING( cmdsz ); + OUT_RING_USER_TABLE( cmd, cmdsz ); + ADVANCE_RING(); + + } while ( ++i < cmdbuf->nbox ); + + if (cmdbuf->nbox == 1) + cmdbuf->nbox = 0; + + cmdbuf->buf += cmdsz * 4; + cmdbuf->bufsz -= cmdsz * 4; + return 0; +} + + + +int radeon_cp_cmdbuf( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf = 0; + int idx; + drm_radeon_cmd_buffer_t cmdbuf; + drm_radeon_cmd_header_t header; + + LOCK_TEST_WITH_RETURN( dev ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __func__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( cmdbuf, (drm_radeon_cmd_buffer_t *)data, + sizeof(cmdbuf) ); + + DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID ); + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + + if (DRM_VERIFYAREA_READ( cmdbuf.buf, cmdbuf.bufsz )) + return DRM_ERR(EFAULT); + + if (cmdbuf.nbox && + DRM_VERIFYAREA_READ(cmdbuf.boxes, + cmdbuf.nbox * sizeof(drm_clip_rect_t))) + return DRM_ERR(EFAULT); + + while ( cmdbuf.bufsz >= sizeof(header) ) { + + if (DRM_GET_USER_UNCHECKED( header.i, (int *)cmdbuf.buf )) { + DRM_ERROR("__get_user %p\n", cmdbuf.buf); + return DRM_ERR(EFAULT); + } + + cmdbuf.buf += sizeof(header); + cmdbuf.bufsz -= sizeof(header); + + switch (header.header.cmd_type) { + case RADEON_CMD_PACKET: + if (radeon_emit_packets( dev_priv, header, &cmdbuf )) { + DRM_ERROR("radeon_emit_packets failed\n"); + return DRM_ERR(EINVAL); + } + break; + + case RADEON_CMD_SCALARS: + if (radeon_emit_scalars( dev_priv, header, &cmdbuf )) { + DRM_ERROR("radeon_emit_scalars failed\n"); + return DRM_ERR(EINVAL); + } + break; + + case RADEON_CMD_VECTORS: + if (radeon_emit_vectors( dev_priv, header, &cmdbuf )) { + DRM_ERROR("radeon_emit_vectors failed\n"); + return DRM_ERR(EINVAL); + } + break; + + case RADEON_CMD_DMA_DISCARD: + idx = header.dma.buf_idx; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + + buf = dma->buflist[idx]; + if ( buf->pid != DRM_CURRENTPID || buf->pending ) { + DRM_ERROR( "bad buffer\n" ); + return DRM_ERR(EINVAL); + } + + radeon_cp_discard_buffer( dev, buf ); + break; + + case RADEON_CMD_PACKET3: + if (radeon_emit_packet3( dev, &cmdbuf )) { + DRM_ERROR("radeon_emit_packet3 failed\n"); + return DRM_ERR(EINVAL); + } + break; + + case RADEON_CMD_PACKET3_CLIP: + if (radeon_emit_packet3_cliprect( dev, &cmdbuf )) { + DRM_ERROR("radeon_emit_packet3_clip failed\n"); + return DRM_ERR(EINVAL); + } + break; + + default: + DRM_ERROR("bad cmd_type %d at %p\n", + header.header.cmd_type, + cmdbuf.buf - sizeof(header)); + return DRM_ERR(EINVAL); + } + } + + + COMMIT_RING(); + return 0; +} + + + +int radeon_cp_getparam( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_getparam_t param; + int value; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __func__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( param, (drm_radeon_getparam_t *)data, + sizeof(param) ); + + DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID ); + + switch( param.param ) { + case RADEON_PARAM_AGP_BUFFER_OFFSET: + value = dev_priv->agp_buffers_offset; + break; + default: + return DRM_ERR(EINVAL); + } + + if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return DRM_ERR(EFAULT); + } + + return 0; +} |