diff options
Diffstat (limited to 'linux/r128_state.c')
| -rw-r--r-- | linux/r128_state.c | 1595 |
1 files changed, 0 insertions, 1595 deletions
diff --git a/linux/r128_state.c b/linux/r128_state.c deleted file mode 100644 index a5b925f5..00000000 --- a/linux/r128_state.c +++ /dev/null @@ -1,1595 +0,0 @@ -/* r128_state.c -- State support for r128 -*- linux-c -*- - * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, 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> - */ - -#define __NO_VERSION__ -#include "r128.h" -#include "drmP.h" -#include "drm.h" -#include "r128_drm.h" -#include "r128_drv.h" -#include "drm.h" -#include <linux/delay.h> - - -/* ================================================================ - * CCE hardware state programming functions - */ - -static void r128_emit_clip_rects( drm_r128_private_t *dev_priv, - drm_clip_rect_t *boxes, int count ) -{ - u32 aux_sc_cntl = 0x00000000; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 17 ); - - if ( count >= 1 ) { - OUT_RING( CCE_PACKET0( R128_AUX1_SC_LEFT, 3 ) ); - OUT_RING( boxes[0].x1 ); - OUT_RING( boxes[0].x2 - 1 ); - OUT_RING( boxes[0].y1 ); - OUT_RING( boxes[0].y2 - 1 ); - - aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR); - } - if ( count >= 2 ) { - OUT_RING( CCE_PACKET0( R128_AUX2_SC_LEFT, 3 ) ); - OUT_RING( boxes[1].x1 ); - OUT_RING( boxes[1].x2 - 1 ); - OUT_RING( boxes[1].y1 ); - OUT_RING( boxes[1].y2 - 1 ); - - aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR); - } - if ( count >= 3 ) { - OUT_RING( CCE_PACKET0( R128_AUX3_SC_LEFT, 3 ) ); - OUT_RING( boxes[2].x1 ); - OUT_RING( boxes[2].x2 - 1 ); - OUT_RING( boxes[2].y1 ); - OUT_RING( boxes[2].y2 - 1 ); - - aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR); - } - - OUT_RING( CCE_PACKET0( R128_AUX_SC_CNTL, 0 ) ); - OUT_RING( aux_sc_cntl ); - - ADVANCE_RING(); -} - -static inline void r128_emit_core( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_SCALE_3D_CNTL, 0 ) ); - OUT_RING( ctx->scale_3d_cntl ); - - ADVANCE_RING(); -} - -static inline void r128_emit_context( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 13 ); - - OUT_RING( CCE_PACKET0( R128_DST_PITCH_OFFSET_C, 11 ) ); - OUT_RING( ctx->dst_pitch_offset_c ); - OUT_RING( ctx->dp_gui_master_cntl_c ); - OUT_RING( ctx->sc_top_left_c ); - OUT_RING( ctx->sc_bottom_right_c ); - OUT_RING( ctx->z_offset_c ); - OUT_RING( ctx->z_pitch_c ); - OUT_RING( ctx->z_sten_cntl_c ); - OUT_RING( ctx->tex_cntl_c ); - OUT_RING( ctx->misc_3d_state_cntl_reg ); - OUT_RING( ctx->texture_clr_cmp_clr_c ); - OUT_RING( ctx->texture_clr_cmp_msk_c ); - OUT_RING( ctx->fog_color_c ); - - ADVANCE_RING(); -} - -static inline void r128_emit_setup( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 3 ); - - OUT_RING( CCE_PACKET1( R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP ) ); - OUT_RING( ctx->setup_cntl ); - OUT_RING( ctx->pm4_vc_fpu_setup ); - - ADVANCE_RING(); -} - -static inline void r128_emit_masks( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 5 ); - - OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) ); - OUT_RING( ctx->dp_write_mask ); - - OUT_RING( CCE_PACKET0( R128_STEN_REF_MASK_C, 1 ) ); - OUT_RING( ctx->sten_ref_mask_c ); - OUT_RING( ctx->plane_3d_mask_c ); - - ADVANCE_RING(); -} - -static inline void r128_emit_window( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_WINDOW_XY_OFFSET, 0 ) ); - OUT_RING( ctx->window_xy_offset ); - - ADVANCE_RING(); -} - -static inline void r128_emit_tex0( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_context_regs_t *ctx = &sarea_priv->context_state; - drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0]; - int i; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 7 + R128_MAX_TEXTURE_LEVELS ); - - OUT_RING( CCE_PACKET0( R128_PRIM_TEX_CNTL_C, - 2 + R128_MAX_TEXTURE_LEVELS ) ); - OUT_RING( tex->tex_cntl ); - OUT_RING( tex->tex_combine_cntl ); - OUT_RING( ctx->tex_size_pitch_c ); - for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) { - OUT_RING( tex->tex_offset[i] ); - } - - OUT_RING( CCE_PACKET0( R128_CONSTANT_COLOR_C, 1 ) ); - OUT_RING( ctx->constant_color_c ); - OUT_RING( tex->tex_border_color ); - - ADVANCE_RING(); -} - -static inline void r128_emit_tex1( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1]; - int i; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 5 + R128_MAX_TEXTURE_LEVELS ); - - OUT_RING( CCE_PACKET0( R128_SEC_TEX_CNTL_C, - 1 + R128_MAX_TEXTURE_LEVELS ) ); - OUT_RING( tex->tex_cntl ); - OUT_RING( tex->tex_combine_cntl ); - for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) { - OUT_RING( tex->tex_offset[i] ); - } - - OUT_RING( CCE_PACKET0( R128_SEC_TEXTURE_BORDER_COLOR_C, 0 ) ); - OUT_RING( tex->tex_border_color ); - - ADVANCE_RING(); -} - -static inline void r128_emit_state( drm_r128_private_t *dev_priv ) -{ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - - DRM_DEBUG( "%s: dirty=0x%08x\n", __FUNCTION__, dirty ); - - if ( dirty & R128_UPLOAD_CORE ) { - r128_emit_core( dev_priv ); - sarea_priv->dirty &= ~R128_UPLOAD_CORE; - } - - if ( dirty & R128_UPLOAD_CONTEXT ) { - r128_emit_context( dev_priv ); - sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT; - } - - if ( dirty & R128_UPLOAD_SETUP ) { - r128_emit_setup( dev_priv ); - sarea_priv->dirty &= ~R128_UPLOAD_SETUP; - } - - if ( dirty & R128_UPLOAD_MASKS ) { - r128_emit_masks( dev_priv ); - sarea_priv->dirty &= ~R128_UPLOAD_MASKS; - } - - if ( dirty & R128_UPLOAD_WINDOW ) { - r128_emit_window( dev_priv ); - sarea_priv->dirty &= ~R128_UPLOAD_WINDOW; - } - - if ( dirty & R128_UPLOAD_TEX0 ) { - r128_emit_tex0( dev_priv ); - sarea_priv->dirty &= ~R128_UPLOAD_TEX0; - } - - if ( dirty & R128_UPLOAD_TEX1 ) { - r128_emit_tex1( dev_priv ); - sarea_priv->dirty &= ~R128_UPLOAD_TEX1; - } - - /* Turn off the texture cache flushing */ - sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH; - - sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE; -} - - -#if R128_PERFORMANCE_BOXES -/* ================================================================ - * Performance monitoring functions - */ - -static void r128_clear_box( drm_r128_private_t *dev_priv, - int x, int y, int w, int h, - int r, int g, int b ) -{ - u32 pitch, offset; - u32 fb_bpp, color; - RING_LOCALS; - - switch ( dev_priv->fb_bpp ) { - case 16: - fb_bpp = R128_GMC_DST_16BPP; - color = (((r & 0xf8) << 8) | - ((g & 0xfc) << 3) | - ((b & 0xf8) >> 3)); - break; - case 24: - fb_bpp = R128_GMC_DST_24BPP; - color = ((r << 16) | (g << 8) | b); - break; - case 32: - fb_bpp = R128_GMC_DST_32BPP; - color = (((0xff) << 24) | (r << 16) | (g << 8) | b); - break; - default: - return; - } - - offset = dev_priv->back_offset; - pitch = dev_priv->back_pitch >> 3; - - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - fb_bpp | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS ); - - OUT_RING( (pitch << 21) | (offset >> 5) ); - OUT_RING( color ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); -} - -static void r128_cce_performance_boxes( drm_r128_private_t *dev_priv ) -{ - if ( atomic_read( &dev_priv->idle_count ) == 0 ) { - r128_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 ); - } else { - atomic_set( &dev_priv->idle_count, 0 ); - } -} - -#endif - - -/* ================================================================ - * CCE command dispatch functions - */ - -static void r128_print_dirty( const char *msg, unsigned int flags ) -{ - DRM_INFO( "%s: (0x%x) %s%s%s%s%s%s%s%s%s\n", - msg, - flags, - (flags & R128_UPLOAD_CORE) ? "core, " : "", - (flags & R128_UPLOAD_CONTEXT) ? "context, " : "", - (flags & R128_UPLOAD_SETUP) ? "setup, " : "", - (flags & R128_UPLOAD_TEX0) ? "tex0, " : "", - (flags & R128_UPLOAD_TEX1) ? "tex1, " : "", - (flags & R128_UPLOAD_MASKS) ? "masks, " : "", - (flags & R128_UPLOAD_WINDOW) ? "window, " : "", - (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "", - (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "" ); -} - -static void r128_cce_dispatch_clear( drm_device_t *dev, - drm_r128_clear_t *clear ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - unsigned int flags = clear->flags; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { - unsigned int tmp = flags; - - flags &= ~(R128_FRONT | R128_BACK); - if ( tmp & R128_FRONT ) flags |= R128_BACK; - if ( tmp & R128_BACK ) flags |= R128_FRONT; - } - - 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", - pbox[i].x1, pbox[i].y1, pbox[i].x2, - pbox[i].y2, flags ); - - if ( flags & (R128_FRONT | R128_BACK) ) { - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) ); - OUT_RING( clear->color_mask ); - - ADVANCE_RING(); - } - - if ( flags & R128_FRONT ) { - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS ); - - OUT_RING( dev_priv->front_pitch_offset_c ); - OUT_RING( clear->clear_color ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); - } - - if ( flags & R128_BACK ) { - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS ); - - OUT_RING( dev_priv->back_pitch_offset_c ); - OUT_RING( clear->clear_color ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); - } - - if ( flags & R128_DEPTH ) { - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( clear->clear_depth ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); - } - } -} - -static void r128_cce_dispatch_swap( drm_device_t *dev ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_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 R128_PERFORMANCE_BOXES - /* Do some trivial performance monitoring... - */ - r128_cce_performance_boxes( dev_priv ); -#endif - - 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; - - BEGIN_RING( 7 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) ); - OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | - R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (dev_priv->color_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_MEMORY | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->back_pitch_offset_c ); - OUT_RING( dev_priv->front_pitch_offset_c ); - - 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( 2 ); - - OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) ); - OUT_RING( dev_priv->sarea_priv->last_frame ); - - ADVANCE_RING(); -} - -static void r128_cce_dispatch_flip( drm_device_t *dev ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - DRM_DEBUG( "%s: page=%d\n", __FUNCTION__, dev_priv->current_page ); - -#if R128_PERFORMANCE_BOXES - /* Do some trivial performance monitoring... - */ - r128_cce_performance_boxes( dev_priv ); -#endif - - BEGIN_RING( 4 ); - - R128_WAIT_UNTIL_PAGE_FLIPPED(); - OUT_RING( CCE_PACKET0( R128_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++; - - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) ); - OUT_RING( dev_priv->sarea_priv->last_frame ); - - ADVANCE_RING(); -} - -static void r128_cce_dispatch_vertex( drm_device_t *dev, - drm_buf_t *buf ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_buf_priv_t *buf_priv = buf->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - int format = sarea_priv->vc_format; - int offset = buf->bus_address; - int size = buf->used; - int prim = buf_priv->prim; - int i = 0; - RING_LOCALS; - DRM_DEBUG( "%s: buf=%d nbox=%d\n", - __FUNCTION__, buf->idx, sarea_priv->nbox ); - - if ( 0 ) - r128_print_dirty( "dispatch_vertex", sarea_priv->dirty ); - - if ( buf->used ) { - buf_priv->dispatched = 1; - - if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) { - r128_emit_state( dev_priv ); - } - - do { - /* Emit the next set of up to three cliprects */ - if ( i < sarea_priv->nbox ) { - r128_emit_clip_rects( dev_priv, - &sarea_priv->boxes[i], - sarea_priv->nbox - i ); - } - - /* Emit the vertex buffer rendering commands */ - BEGIN_RING( 5 ); - - OUT_RING( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, 3 ) ); - OUT_RING( offset ); - OUT_RING( size ); - OUT_RING( format ); - OUT_RING( prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST | - (size << R128_CCE_VC_CNTL_NUM_SHIFT) ); - - ADVANCE_RING(); - - i += 3; - } while ( i < sarea_priv->nbox ); - } - - if ( buf_priv->discard ) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the vertex buffer age */ - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); - OUT_RING( buf_priv->age ); - - ADVANCE_RING(); - - buf->pending = 1; - buf->used = 0; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; - - sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; - sarea_priv->nbox = 0; -} - -static void r128_cce_dispatch_indirect( drm_device_t *dev, - drm_buf_t *buf, - int start, int end ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_buf_priv_t *buf_priv = buf->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 = buf->bus_address + 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 CCE packet. - */ - if ( dwords & 1 ) { - u32 *data = (u32 *) - ((char *)dev_priv->buffers->handle - + buf->offset + start); - data[dwords++] = cpu_to_le32( R128_CCE_PACKET2 ); - } - - buf_priv->dispatched = 1; - - /* Fire off the indirect buffer */ - BEGIN_RING( 3 ); - - OUT_RING( CCE_PACKET0( R128_PM4_IW_INDOFF, 1 ) ); - OUT_RING( offset ); - OUT_RING( dwords ); - - ADVANCE_RING(); - } - - if ( buf_priv->discard ) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the indirect buffer age */ - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); - OUT_RING( buf_priv->age ); - - ADVANCE_RING(); - - buf->pending = 1; - buf->used = 0; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; -} - -static void r128_cce_dispatch_indices( drm_device_t *dev, - drm_buf_t *buf, - int start, int end, - int count ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_buf_priv_t *buf_priv = buf->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - int format = sarea_priv->vc_format; - int offset = dev_priv->buffers->offset - dev_priv->cce_buffers_offset; - int prim = buf_priv->prim; - u32 *data; - int dwords; - int i = 0; - RING_LOCALS; - DRM_DEBUG( "indices: s=%d e=%d c=%d\n", start, end, count ); - - if ( 0 ) - r128_print_dirty( "dispatch_indices", sarea_priv->dirty ); - - if ( start != end ) { - buf_priv->dispatched = 1; - - if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) { - r128_emit_state( dev_priv ); - } - - dwords = (end - start + 3) / sizeof(u32); - - data = (u32 *)((char *)dev_priv->buffers->handle - + buf->offset + start); - - data[0] = cpu_to_le32( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, - dwords-2 ) ); - - data[1] = cpu_to_le32( offset ); - data[2] = cpu_to_le32( R128_MAX_VB_VERTS ); - data[3] = cpu_to_le32( format ); - data[4] = cpu_to_le32( (prim | R128_CCE_VC_CNTL_PRIM_WALK_IND | - (count << 16)) ); - - if ( count & 0x1 ) { -#ifdef __LITTLE_ENDIAN - data[dwords-1] &= 0x0000ffff; -#else - data[dwords-1] &= 0xffff0000; -#endif - } - - do { - /* Emit the next set of up to three cliprects */ - if ( i < sarea_priv->nbox ) { - r128_emit_clip_rects( dev_priv, - &sarea_priv->boxes[i], - sarea_priv->nbox - i ); - } - - r128_cce_dispatch_indirect( dev, buf, start, end ); - - i += 3; - } while ( i < sarea_priv->nbox ); - } - - if ( buf_priv->discard ) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the vertex buffer age */ - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); - OUT_RING( buf_priv->age ); - - ADVANCE_RING(); - - buf->pending = 1; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; - - sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; - sarea_priv->nbox = 0; -} - -static int r128_cce_dispatch_blit( drm_device_t *dev, - drm_r128_blit_t *blit ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_r128_buf_priv_t *buf_priv; - u32 *data; - int dword_shift, dwords; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - /* 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 ( blit->format ) { - case R128_DATATYPE_ARGB8888: - dword_shift = 0; - break; - case R128_DATATYPE_ARGB1555: - case R128_DATATYPE_RGB565: - case R128_DATATYPE_ARGB4444: - dword_shift = 1; - break; - case R128_DATATYPE_CI8: - case R128_DATATYPE_RGB8: - dword_shift = 2; - break; - default: - DRM_ERROR( "invalid blit format %d\n", blit->format ); - return -EINVAL; - } - - /* Flush the pixel cache, and mark the contents as Read Invalid. - * 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( 2 ); - - OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) ); - OUT_RING( R128_PC_RI_GUI | R128_PC_FLUSH_GUI ); - - ADVANCE_RING(); - - /* Dispatch the indirect buffer. - */ - buf = dma->buflist[blit->idx]; - buf_priv = buf->dev_private; - - 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", blit->idx ); - return -EINVAL; - } - - buf_priv->discard = 1; - - dwords = (blit->width * blit->height) >> dword_shift; - - data = (u32 *)((char *)dev_priv->buffers->handle + buf->offset); - - data[0] = cpu_to_le32( CCE_PACKET3( R128_CNTL_HOSTDATA_BLT, dwords + 6 ) ); - data[1] = cpu_to_le32( (R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (blit->format << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_HOST_DATA | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS | - R128_GMC_WR_MSK_DIS) ); - - data[2] = cpu_to_le32( (blit->pitch << 21) | (blit->offset >> 5) ); - data[3] = cpu_to_le32( 0xffffffff ); - data[4] = cpu_to_le32( 0xffffffff ); - data[5] = cpu_to_le32( (blit->y << 16) | blit->x ); - data[6] = cpu_to_le32( (blit->height << 16) | blit->width ); - data[7] = cpu_to_le32( dwords ); - - buf->used = (dwords + 8) * sizeof(u32); - - r128_cce_dispatch_indirect( dev, buf, 0, buf->used ); - - /* Flush the pixel cache after the blit completes. This ensures - * the texture data is written out to memory before rendering - * continues. - */ - BEGIN_RING( 2 ); - - OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) ); - OUT_RING( R128_PC_FLUSH_GUI ); - - ADVANCE_RING(); - - return 0; -} - - -/* ================================================================ - * Tiled depth buffer management - * - * FIXME: These should all set the destination write mask for when we - * have hardware stencil support. - */ - -static int r128_cce_dispatch_write_span( drm_device_t *dev, - drm_r128_depth_t *depth ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, x, y; - u32 *buffer; - u8 *mask; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - count = depth->n; - if ( copy_from_user( &x, depth->x, sizeof(x) ) ) { - return -EFAULT; - } - if ( copy_from_user( &y, depth->y, sizeof(y) ) ) { - return -EFAULT; - } - - buffer = kmalloc( depth->n * sizeof(u32), GFP_KERNEL ); - if ( buffer == NULL ) - return -ENOMEM; - if ( copy_from_user( buffer, depth->buffer, - depth->n * sizeof(u32) ) ) { - kfree( buffer ); - return -EFAULT; - } - - if ( depth->mask ) { - mask = kmalloc( depth->n * sizeof(u8), GFP_KERNEL ); - if ( mask == NULL ) { - kfree( buffer ); - return -ENOMEM; - } - if ( copy_from_user( mask, depth->mask, - depth->n * sizeof(u8) ) ) { - kfree( buffer ); - kfree( mask ); - return -EFAULT; - } - - for ( i = 0 ; i < count ; i++, x++ ) { - if ( mask[i] ) { - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( buffer[i] ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (1 << 16) | 1 ); - - ADVANCE_RING(); - } - } - - kfree( mask ); - } else { - for ( i = 0 ; i < count ; i++, x++ ) { - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( buffer[i] ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (1 << 16) | 1 ); - - ADVANCE_RING(); - } - } - - kfree( buffer ); - - return 0; -} - -static int r128_cce_dispatch_write_pixels( drm_device_t *dev, - drm_r128_depth_t *depth ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, *x, *y; - u32 *buffer; - u8 *mask; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - count = depth->n; - - x = kmalloc( count * sizeof(*x), GFP_KERNEL ); - if ( x == NULL ) { - return -ENOMEM; - } - y = kmalloc( count * sizeof(*y), GFP_KERNEL ); - if ( y == NULL ) { - kfree( x ); - return -ENOMEM; - } - if ( copy_from_user( x, depth->x, count * sizeof(int) ) ) { - kfree( x ); - kfree( y ); - return -EFAULT; - } - if ( copy_from_user( y, depth->y, count * sizeof(int) ) ) { - kfree( x ); - kfree( y ); - return -EFAULT; - } - - buffer = kmalloc( depth->n * sizeof(u32), GFP_KERNEL ); - if ( buffer == NULL ) { - kfree( x ); - kfree( y ); - return -ENOMEM; - } - if ( copy_from_user( buffer, depth->buffer, - depth->n * sizeof(u32) ) ) { - kfree( x ); - kfree( y ); - kfree( buffer ); - return -EFAULT; - } - - if ( depth->mask ) { - mask = kmalloc( depth->n * sizeof(u8), GFP_KERNEL ); - if ( mask == NULL ) { - kfree( x ); - kfree( y ); - kfree( buffer ); - return -ENOMEM; - } - if ( copy_from_user( mask, depth->mask, - depth->n * sizeof(u8) ) ) { - kfree( x ); - kfree( y ); - kfree( buffer ); - kfree( mask ); - return -EFAULT; - } - - for ( i = 0 ; i < count ; i++ ) { - if ( mask[i] ) { - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( buffer[i] ); - - OUT_RING( (x[i] << 16) | y[i] ); - OUT_RING( (1 << 16) | 1 ); - - ADVANCE_RING(); - } - } - - kfree( mask ); - } else { - for ( i = 0 ; i < count ; i++ ) { - BEGIN_RING( 6 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_P | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( buffer[i] ); - - OUT_RING( (x[i] << 16) | y[i] ); - OUT_RING( (1 << 16) | 1 ); - - ADVANCE_RING(); - } - } - - kfree( x ); - kfree( y ); - kfree( buffer ); - - return 0; -} - -static int r128_cce_dispatch_read_span( drm_device_t *dev, - drm_r128_depth_t *depth ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, x, y; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - count = depth->n; - if ( copy_from_user( &x, depth->x, sizeof(x) ) ) { - return -EFAULT; - } - if ( copy_from_user( &y, depth->y, sizeof(y) ) ) { - return -EFAULT; - } - - BEGIN_RING( 7 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) ); - OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | - R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_MEMORY | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( dev_priv->span_pitch_offset_c ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (0 << 16) | 0 ); - OUT_RING( (count << 16) | 1 ); - - ADVANCE_RING(); - - return 0; -} - -static int r128_cce_dispatch_read_pixels( drm_device_t *dev, - drm_r128_depth_t *depth ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int count, *x, *y; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - count = depth->n; - if ( count > dev_priv->depth_pitch ) { - count = dev_priv->depth_pitch; - } - - x = kmalloc( count * sizeof(*x), GFP_KERNEL ); - if ( x == NULL ) { - return -ENOMEM; - } - y = kmalloc( count * sizeof(*y), GFP_KERNEL ); - if ( y == NULL ) { - kfree( x ); - return -ENOMEM; - } - if ( copy_from_user( x, depth->x, count * sizeof(int) ) ) { - kfree( x ); - kfree( y ); - return -EFAULT; - } - if ( copy_from_user( y, depth->y, count * sizeof(int) ) ) { - kfree( x ); - kfree( y ); - return -EFAULT; - } - - for ( i = 0 ; i < count ; i++ ) { - BEGIN_RING( 7 ); - - OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) ); - OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | - R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (dev_priv->depth_fmt << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_MEMORY | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( dev_priv->span_pitch_offset_c ); - - OUT_RING( (x[i] << 16) | y[i] ); - OUT_RING( (i << 16) | 0 ); - OUT_RING( (1 << 16) | 1 ); - - ADVANCE_RING(); - } - - kfree( x ); - kfree( y ); - - return 0; -} - - -/* ================================================================ - * Polygon stipple - */ - -static void r128_cce_dispatch_stipple( drm_device_t *dev, u32 *stipple ) -{ - drm_r128_private_t *dev_priv = dev->dev_private; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - BEGIN_RING( 33 ); - - OUT_RING( CCE_PACKET0( R128_BRUSH_DATA0, 31 ) ); - for ( i = 0 ; i < 32 ; i++ ) { - OUT_RING( stipple[i] ); - } - - ADVANCE_RING(); -} - - -/* ================================================================ - * IOCTL functions - */ - -int r128_cce_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_r128_private_t *dev_priv = dev->dev_private; - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_r128_clear_t clear; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - LOCK_TEST_WITH_RETURN( dev ); - - if ( copy_from_user( &clear, (drm_r128_clear_t *) arg, - sizeof(clear) ) ) - return -EFAULT; - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - - if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS ) - sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; - - r128_cce_dispatch_clear( dev, &clear ); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS; - - return 0; -} - -int r128_cce_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_r128_private_t *dev_priv = dev->dev_private; - drm_r128_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 > R128_NR_SAREA_CLIPRECTS ) - sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; - - if ( !dev_priv->page_flipping ) { - r128_cce_dispatch_swap( dev ); - dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT | - R128_UPLOAD_MASKS); - } else { - r128_cce_dispatch_flip( dev ); - } - - return 0; -} - -int r128_cce_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_r128_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_r128_buf_priv_t *buf_priv; - drm_r128_vertex_t vertex; - - 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_r128_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 > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) { - 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]; - buf_priv = buf->dev_private; - - 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; - } - - buf->used = vertex.count; - buf_priv->prim = vertex.prim; - buf_priv->discard = vertex.discard; - - r128_cce_dispatch_vertex( dev, buf ); - - return 0; -} - -int r128_cce_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_r128_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_r128_buf_priv_t *buf_priv; - drm_r128_indices_t elts; - 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_r128_indices_t *)arg, - sizeof(elts) ) ) - return -EFAULT; - - DRM_DEBUG( "%s: pid=%d buf=%d s=%d e=%d d=%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 > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) { - 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]; - buf_priv = buf->dev_private; - - 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 -= R128_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; - buf_priv->prim = elts.prim; - buf_priv->discard = elts.discard; - - r128_cce_dispatch_indices( dev, buf, elts.start, elts.end, count ); - - return 0; -} - -int r128_cce_blit( 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_device_dma_t *dma = dev->dma; - drm_r128_private_t *dev_priv = dev->dev_private; - drm_r128_blit_t blit; - - LOCK_TEST_WITH_RETURN( dev ); - - if ( copy_from_user( &blit, (drm_r128_blit_t *)arg, - sizeof(blit) ) ) - return -EFAULT; - - DRM_DEBUG( "%s: pid=%d index=%d\n", - __FUNCTION__, current->pid, blit.idx ); - - if ( blit.idx < 0 || blit.idx >= dma->buf_count ) { - DRM_ERROR( "buffer index %d (of %d max)\n", - blit.idx, dma->buf_count - 1 ); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - - return r128_cce_dispatch_blit( dev, &blit ); -} - -int r128_cce_depth( 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_r128_private_t *dev_priv = dev->dev_private; - drm_r128_depth_t depth; - - LOCK_TEST_WITH_RETURN( dev ); - - if ( copy_from_user( &depth, (drm_r128_depth_t *)arg, - sizeof(depth) ) ) - return -EFAULT; - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - - switch ( depth.func ) { - case R128_WRITE_SPAN: - return r128_cce_dispatch_write_span( dev, &depth ); - case R128_WRITE_PIXELS: - return r128_cce_dispatch_write_pixels( dev, &depth ); - case R128_READ_SPAN: - return r128_cce_dispatch_read_span( dev, &depth ); - case R128_READ_PIXELS: - return r128_cce_dispatch_read_pixels( dev, &depth ); - } - - return -EINVAL; -} - -int r128_cce_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_r128_private_t *dev_priv = dev->dev_private; - drm_r128_stipple_t stipple; - u32 mask[32]; - - LOCK_TEST_WITH_RETURN( dev ); - - if ( copy_from_user( &stipple, (drm_r128_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 ); - - r128_cce_dispatch_stipple( dev, mask ); - - return 0; -} - -int r128_cce_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_r128_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_r128_buf_priv_t *buf_priv; - drm_r128_indirect_t indirect; -#if 0 - RING_LOCALS; -#endif - - 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_r128_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]; - buf_priv = buf->dev_private; - - 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; - buf_priv->discard = indirect.discard; - -#if 0 - /* 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(); -#endif - - /* Dispatch the indirect buffer full of commands from the - * X server. This is insecure and is thus only available to - * privileged clients. - */ - r128_cce_dispatch_indirect( dev, buf, indirect.start, indirect.end ); - - return 0; -} |