/* 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 * Kevin E. Martin */ #define __NO_VERSION__ #include "radeon.h" #include "drmP.h" #include "drm.h" #include "radeon_drm.h" #include "radeon_drv.h" #include /* ================================================================ * 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( "%s: dirty=0x%08x\n", __FUNCTION__, 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" }, { R200_PP_TXCBLEND_0, 4, "R200_PP_TXCBLEND_0" }, { R200_PP_TXCBLEND_1, 4, "R200_PP_TXCBLEND_1" }, { R200_PP_TXCBLEND_2, 4, "R200_PP_TXCBLEND_2" }, { R200_PP_TXCBLEND_3, 4, "R200_PP_TXCBLEND_3" }, { R200_PP_TXCBLEND_4, 4, "R200_PP_TXCBLEND_4" }, { R200_PP_TXCBLEND_5, 4, "R200_PP_TXCBLEND_5" }, { R200_PP_TXCBLEND_6, 4, "R200_PP_TXCBLEND_6" }, { R200_PP_TXCBLEND_7, 4, "R200_PP_TXCBLEND_7" }, { R200_SE_TCL_LIGHT_MODEL_CTL_0, 6, "R200_SE_TCL_LIGHT_MODEL_CTL_0" }, { R200_PP_TFACTOR_0, 6, "R200_PP_TFACTOR_0" }, { R200_SE_VTX_FMT_0, 4, "R200_SE_VTX_FMT_0" }, { R200_SE_VAP_CNTL, 1, "R200_SE_VAP_CNTL" }, { R200_SE_TCL_MATRIX_SEL_0, 5, "R200_SE_TCL_MATRIX_SEL_0" }, { R200_SE_TCL_TEX_PROC_CTL_2, 5, "R200_SE_TCL_TEX_PROC_CTL_2" }, { R200_SE_TCL_UCP_VERT_BLEND_CTL, 1, "R200_SE_TCL_UCP_VERT_BLEND_CTL" }, { R200_PP_TXFILTER_0, 6, "R200_PP_TXFILTER_0" }, { R200_PP_TXFILTER_1, 6, "R200_PP_TXFILTER_1" }, { R200_PP_TXFILTER_2, 6, "R200_PP_TXFILTER_2" }, { R200_PP_TXFILTER_3, 6, "R200_PP_TXFILTER_3" }, { R200_PP_TXFILTER_4, 6, "R200_PP_TXFILTER_4" }, { R200_PP_TXFILTER_5, 6, "R200_PP_TXFILTER_5" }, { R200_PP_TXOFFSET_0, 1, "R200_PP_TXOFFSET_0" }, { R200_PP_TXOFFSET_1, 1, "R200_PP_TXOFFSET_1" }, { R200_PP_TXOFFSET_2, 1, "R200_PP_TXOFFSET_2" }, { R200_PP_TXOFFSET_3, 1, "R200_PP_TXOFFSET_3" }, { R200_PP_TXOFFSET_4, 1, "R200_PP_TXOFFSET_4" }, { R200_PP_TXOFFSET_5, 1, "R200_PP_TXOFFSET_5" }, { R200_SE_VTE_CNTL, 1, "R200_SE_VTE_CNTL" }, { R200_SE_TCL_OUTPUT_VTX_COMP_SEL, 1, "R200_SE_TCL_OUTPUT_VTX_COMP_SEL" }, { R200_PP_TAM_DEBUG3, 1, "R200_PP_TAM_DEBUG3" }, { R200_PP_CNTL_X, 1, "R200_PP_CNTL_X" }, { R200_RB3D_DEPTHXY_OFFSET, 1, "R200_RB3D_DEPTHXY_OFFSET" }, { R200_RE_AUX_SCISSOR_CNTL, 1, "R200_RE_AUX_SCISSOR_CNTL" }, { R200_RE_SCISSOR_TL_0, 2, "R200_RE_SCISSOR_TL_0" }, { R200_RE_SCISSOR_TL_1, 2, "R200_RE_SCISSOR_TL_1" }, { R200_RE_SCISSOR_TL_2, 2, "R200_RE_SCISSOR_TL_2" }, { R200_SE_VAP_CNTL_STATUS, 1, "R200_SE_VAP_CNTL_STATUS" }, { R200_SE_VTX_STATE_CNTL, 1, "R200_SE_VTX_STATE_CNTL" }, { R200_RE_POINTSIZE, 1, "R200_RE_POINTSIZE" }, { R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0, 4, "R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0" }, }; #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( __FUNCTION__": 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; } 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; 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 ) { 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(); } } } /* 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 ( dev_priv->is_r200 && (flags & (RADEON_DEPTH | RADEON_STENCIL)) ) { int tempPP_CNTL; int tempRE_CNTL; int tempRB3D_CNTL; int tempRB3D_ZSTENCILCNTL; int tempRB3D_STENCILREFMASK; int tempRB3D_PLANEMASK; int tempSE_CNTL; int tempSE_VTE_CNTL; int tempSE_VTX_FMT_0; int tempSE_VTX_FMT_1; int tempSE_VAP_CNTL; int tempRE_AUX_SCISSOR_CNTL; tempPP_CNTL = 0; tempRE_CNTL = 0; tempRB3D_CNTL = depth_clear->rb3d_cntl; tempRB3D_CNTL &= ~(1<<15); /* unset radeon magic flag */ tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl; tempRB3D_STENCILREFMASK = 0x0; tempSE_CNTL = depth_clear->se_cntl; /* Disable TCL */ tempSE_VAP_CNTL = (/* SE_VAP_CNTL__FORCE_W_TO_ONE_MASK | */ (0x9 << SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT)); tempRB3D_PLANEMASK = 0x0; tempRE_AUX_SCISSOR_CNTL = 0x0; tempSE_VTE_CNTL = SE_VTE_CNTL__VTX_XY_FMT_MASK | SE_VTE_CNTL__VTX_Z_FMT_MASK; /* Vertex format (X, Y, Z, W)*/ tempSE_VTX_FMT_0 = SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK | SE_VTX_FMT_0__VTX_W0_PRESENT_MASK; tempSE_VTX_FMT_1 = 0x0; /* * Depth buffer specific enables */ if (flags & RADEON_DEPTH) { /* Enable depth buffer */ tempRB3D_CNTL |= RADEON_Z_ENABLE; } else { /* Disable depth buffer */ tempRB3D_CNTL &= ~RADEON_Z_ENABLE; } /* * Stencil buffer specific enables */ if ( flags & RADEON_STENCIL ) { tempRB3D_CNTL |= RADEON_STENCIL_ENABLE; tempRB3D_STENCILREFMASK = clear->depth_mask; } else { tempRB3D_CNTL &= ~RADEON_STENCIL_ENABLE; tempRB3D_STENCILREFMASK = 0x00000000; } BEGIN_RING( 26 ); RADEON_WAIT_UNTIL_2D_IDLE(); OUT_RING_REG( RADEON_PP_CNTL, tempPP_CNTL ); OUT_RING_REG( R200_RE_CNTL, tempRE_CNTL ); OUT_RING_REG( RADEON_RB3D_CNTL, tempRB3D_CNTL ); OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL, tempRB3D_ZSTENCILCNTL ); OUT_RING_REG( RADEON_RB3D_STENCILREFMASK, tempRB3D_STENCILREFMASK ); OUT_RING_REG( RADEON_RB3D_PLANEMASK, tempRB3D_PLANEMASK ); OUT_RING_REG( RADEON_SE_CNTL, tempSE_CNTL ); OUT_RING_REG( R200_SE_VTE_CNTL, tempSE_VTE_CNTL ); OUT_RING_REG( R200_SE_VTX_FMT_0, tempSE_VTX_FMT_0 ); OUT_RING_REG( R200_SE_VTX_FMT_1, tempSE_VTX_FMT_1 ); OUT_RING_REG( R200_SE_VAP_CNTL, tempSE_VAP_CNTL ); OUT_RING_REG( R200_RE_AUX_SCISSOR_CNTL, tempRE_AUX_SCISSOR_CNTL ); ADVANCE_RING(); /* Make sure we restore the 3D state next time. */ dev_priv->sarea_priv->ctx_owner = 0; for ( i = 0 ; i < nbox ; i++ ) { /* Funny that this should be required -- * sets top-left? */ radeon_emit_clip_rect( dev_priv, &sarea_priv->boxes[i] ); BEGIN_RING( 14 ); OUT_RING( CP_PACKET3( R200_3D_DRAW_IMMD_2, 12 ) ); OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST | RADEON_PRIM_WALK_RING | (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( 0x3f800000 ); 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( 0x3f800000 ); 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( 0x3f800000 ); ADVANCE_RING(); } } else 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; } BEGIN_RING( 13 ); 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 ); ADVANCE_RING(); /* Make sure we restore the 3D state next time. */ dev_priv->sarea_priv->ctx_owner = 0; for ( i = 0 ; i < nbox ; i++ ) { /* Funny that this should be required -- * sets top-left? */ radeon_emit_clip_rect( dev_priv, &sarea_priv->boxes[i] ); BEGIN_RING( 15 ); 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(); } } /* 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( "%s\n", __FUNCTION__ ); #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( "%s: page=%d pfCurrentPage=%d\n", __FUNCTION__, dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage); #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("%s: hwprim 0x%x vfmt 0x%x %d..%d %d verts\n", __FUNCTION__, 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 (__copy_from_user( &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("%s: hwprim 0x%x vfmt 0x%x %d..%d offset: %x nr %d\n", __FUNCTION__, 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 (__copy_from_user( &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; 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 -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 -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 = (u8 *)image->data; size = height * blit_width; if ( size > RADEON_MAX_TEXTURE_SIZE ) { /* Texture image is too large, do a multipass upload */ ret = -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 = (char *)image->data + size; if ( copy_to_user( tex->image, image, sizeof(*image) ) ) { DRM_ERROR( "EFAULT on tex->image\n" ); return -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 ( copy_from_user( buffer, data, dwords * sizeof(u32) ) ) { DRM_ERROR( "EFAULT on data, %d dwords\n", dwords ); return -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 ( copy_from_user( buffer, data, tex_width ) ) { DRM_ERROR( "EFAULT on pad, %d bytes\n", tex_width ); return -EFAULT; } buffer += 8; data += tex_width; } } buf->pid = current->pid; 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( "%s\n", __FUNCTION__ ); 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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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( "%s\n", __FUNCTION__ ); LOCK_TEST_WITH_RETURN( dev ); if ( copy_from_user( &clear, (drm_radeon_clear_t *)arg, sizeof(clear) ) ) return -EFAULT; RING_SPACE_TEST_WITH_RETURN( dev_priv ); if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; if ( copy_from_user( &depth_boxes, clear.depth_boxes, sarea_priv->nbox * sizeof(depth_boxes[0]) ) ) return -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( "%s\n", __FUNCTION__ ); 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( "%s\n", __FUNCTION__ ); 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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_radeon_private_t *dev_priv = dev->dev_private; DRM_DEBUG( "%s\n", __FUNCTION__ ); 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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; DRM_DEBUG( "%s\n", __FUNCTION__ ); 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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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", __FUNCTION__ ); return -EINVAL; } if ( copy_from_user( &vertex, (drm_radeon_vertex_t *)arg, sizeof(vertex) ) ) return -EFAULT; DRM_DEBUG( "%s: pid=%d index=%d count=%d discard=%d\n", __FUNCTION__, current->pid, 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 -EINVAL; } if ( vertex.prim < 0 || vertex.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { DRM_ERROR( "buffer prim %d\n", vertex.prim ); return -EINVAL; } RING_SPACE_TEST_WITH_RETURN( dev_priv ); VB_AGE_TEST_WITH_RETURN( dev_priv ); buf = dma->buflist[vertex.idx]; if ( buf->pid != current->pid ) { DRM_ERROR( "process %d using buffer owned by %d\n", current->pid, buf->pid ); return -EINVAL; } if ( buf->pending ) { DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); return -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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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", __FUNCTION__ ); return -EINVAL; } if ( copy_from_user( &elts, (drm_radeon_indices_t *)arg, sizeof(elts) ) ) return -EFAULT; DRM_DEBUG( "%s: pid=%d index=%d start=%d end=%d discard=%d\n", __FUNCTION__, current->pid, 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 -EINVAL; } if ( elts.prim < 0 || elts.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { DRM_ERROR( "buffer prim %d\n", elts.prim ); return -EINVAL; } RING_SPACE_TEST_WITH_RETURN( dev_priv ); VB_AGE_TEST_WITH_RETURN( dev_priv ); buf = dma->buflist[elts.idx]; if ( buf->pid != current->pid ) { DRM_ERROR( "process %d using buffer owned by %d\n", current->pid, buf->pid ); return -EINVAL; } if ( buf->pending ) { DRM_ERROR( "sending pending buffer %d\n", elts.idx ); return -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 -EINVAL; } if ( elts.start < buf->used ) { DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used ); return -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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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 ); if ( copy_from_user( &tex, (drm_radeon_texture_t *)arg, sizeof(tex) ) ) return -EFAULT; if ( tex.image == NULL ) { DRM_ERROR( "null texture image!\n" ); return -EINVAL; } if ( copy_from_user( &image, (drm_radeon_tex_image_t *)tex.image, sizeof(image) ) ) return -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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_stipple_t stipple; u32 mask[32]; LOCK_TEST_WITH_RETURN( dev ); if ( copy_from_user( &stipple, (drm_radeon_stipple_t *)arg, sizeof(stipple) ) ) return -EFAULT; if ( copy_from_user( &mask, stipple.mask, 32 * sizeof(u32) ) ) return -EFAULT; RING_SPACE_TEST_WITH_RETURN( dev_priv ); radeon_cp_dispatch_stipple( dev, mask ); COMMIT_RING(); return 0; } int radeon_cp_indirect( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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", __FUNCTION__ ); return -EINVAL; } if ( copy_from_user( &indirect, (drm_radeon_indirect_t *)arg, sizeof(indirect) ) ) return -EFAULT; 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 -EINVAL; } buf = dma->buflist[indirect.idx]; if ( buf->pid != current->pid ) { DRM_ERROR( "process %d using buffer owned by %d\n", current->pid, buf->pid ); return -EINVAL; } if ( buf->pending ) { DRM_ERROR( "sending pending buffer %d\n", indirect.idx ); return -EINVAL; } if ( indirect.start < buf->used ) { DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n", indirect.start, buf->used ); return -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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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", __FUNCTION__ ); return -EINVAL; } if ( copy_from_user( &vertex, (drm_radeon_vertex_t *)arg, sizeof(vertex) ) ) return -EFAULT; DRM_DEBUG( __FUNCTION__": pid=%d index=%d discard=%d\n", current->pid, 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 -EINVAL; } RING_SPACE_TEST_WITH_RETURN( dev_priv ); VB_AGE_TEST_WITH_RETURN( dev_priv ); buf = dma->buflist[vertex.idx]; if ( buf->pid != current->pid ) { DRM_ERROR( "process %d using buffer owned by %d\n", current->pid, buf->pid ); return -EINVAL; } if ( buf->pending ) { DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); return -EINVAL; } if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS) return -EINVAL; for (laststate = 0xff, i = 0 ; i < vertex.nr_prims ; i++) { drm_radeon_prim_t prim; drm_radeon_tcl_prim_t tclprim; if ( copy_from_user( &prim, &vertex.prim[i], sizeof(prim) ) ) return -EFAULT; if ( prim.stateidx != laststate ) { drm_radeon_state_t state; if ( copy_from_user( &state, &vertex.state[prim.stateidx], sizeof(state) ) ) return -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 -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; } /* God this is ugly */ static inline int radeon_emit_scalars2( 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 + 0x100; 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 = (unsigned char)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("%s\n", __FUNCTION__); if (__get_user( tmp, &cmd[0])) return -EFAULT; cmdsz = 2 + ((tmp & RADEON_CP_PACKET_COUNT_MASK) >> 16); if ((tmp & 0xc0000000) != RADEON_CP_PACKET3 || cmdsz * 4 > cmdbuf->bufsz) return -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("%s\n", __FUNCTION__); if (__get_user( tmp, &cmd[0])) return -EFAULT; cmdsz = 2 + ((tmp & RADEON_CP_PACKET_COUNT_MASK) >> 16); if ((tmp & 0xc0000000) != RADEON_CP_PACKET3 || cmdsz * 4 > cmdbuf->bufsz) return -EINVAL; do { if ( i < cmdbuf->nbox ) { if (__copy_from_user( &box, &boxes[i], sizeof(box) )) return -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( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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; DRM_DEBUG( "%s\n", __FUNCTION__ ); LOCK_TEST_WITH_RETURN( dev ); if ( !dev_priv ) { DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); return -EINVAL; } if ( copy_from_user( &cmdbuf, (drm_radeon_cmd_buffer_t *)arg, sizeof(cmdbuf) ) ) { DRM_ERROR("copy_from_user\n"); return -EFAULT; } DRM_DEBUG( __FUNCTION__": pid=%d\n", current->pid ); RING_SPACE_TEST_WITH_RETURN( dev_priv ); VB_AGE_TEST_WITH_RETURN( dev_priv ); if (verify_area( VERIFY_READ, cmdbuf.buf, cmdbuf.bufsz )) return -EFAULT; if (cmdbuf.nbox && verify_area( VERIFY_READ, cmdbuf.boxes, cmdbuf.nbox * sizeof(drm_clip_rect_t))) return -EFAULT; while ( cmdbuf.bufsz >= sizeof(header) ) { if (__get_user( header.i, (int *)cmdbuf.buf )) { DRM_ERROR("__get_user %p\n", cmdbuf.buf); return -EFAULT; } cmdbuf.buf += sizeof(header); cmdbuf.bufsz -= sizeof(header); switch (header.header.cmd_type) { case RADEON_CMD_PACKET: DRM_DEBUG("RADEON_CMD_PACKET\n"); if (radeon_emit_packets( dev_priv, header, &cmdbuf )) { DRM_ERROR("radeon_emit_packets failed\n"); return -EINVAL; } break; case RADEON_CMD_SCALARS: DRM_DEBUG("RADEON_CMD_SCALARS\n"); if (radeon_emit_scalars( dev_priv, header, &cmdbuf )) { DRM_ERROR("radeon_emit_scalars failed\n"); return -EINVAL; } break; case RADEON_CMD_VECTORS: DRM_DEBUG("RADEON_CMD_VECTORS\n"); if (radeon_emit_vectors( dev_priv, header, &cmdbuf )) { DRM_ERROR("radeon_emit_vectors failed\n"); return -EINVAL; } break; case RADEON_CMD_DMA_DISCARD: DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n"); 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 -EINVAL; } buf = dma->buflist[idx]; if ( buf->pid != current->pid || buf->pending ) { DRM_ERROR( "bad buffer\n" ); return -EINVAL; } radeon_cp_discard_buffer( dev, buf ); break; case RADEON_CMD_PACKET3: DRM_DEBUG("RADEON_CMD_PACKET3\n"); if (radeon_emit_packet3( dev, &cmdbuf )) { DRM_ERROR("radeon_emit_packet3 failed\n"); return -EINVAL; } break; case RADEON_CMD_PACKET3_CLIP: DRM_DEBUG("RADEON_CMD_PACKET3_CLIP\n"); if (radeon_emit_packet3_cliprect( dev, &cmdbuf )) { DRM_ERROR("radeon_emit_packet3_clip failed\n"); return -EINVAL; } break; case RADEON_CMD_SCALARS2: DRM_DEBUG("RADEON_CMD_SCALARS2\n"); if (radeon_emit_scalars2( dev_priv, header, &cmdbuf )) { DRM_ERROR("radeon_emit_scalars2 failed\n"); return -EINVAL; } break; default: DRM_ERROR("bad cmd_type %d at %p\n", header.header.cmd_type, cmdbuf.buf - sizeof(header)); return -EINVAL; } } DRM_DEBUG("DONE\n"); COMMIT_RING(); return 0; } int radeon_cp_getparam( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; 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", __FUNCTION__ ); return -EINVAL; } if ( copy_from_user( ¶m, (drm_radeon_getparam_t *)arg, sizeof(param) ) ) { DRM_ERROR("copy_from_user\n"); return -EFAULT; } DRM_DEBUG( __FUNCTION__": pid=%d\n", current->pid ); switch( param.param ) { case RADEON_PARAM_AGP_BUFFER_OFFSET: value = dev_priv->agp_buffers_offset; break; default: return -EINVAL; } if ( copy_to_user( param.value, &value, sizeof(int) ) ) { DRM_ERROR( "copy_to_user\n" ); return -EFAULT; } return 0; }