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-rw-r--r--drivers/char/drm/r128_state.c1732
1 files changed, 1732 insertions, 0 deletions
diff --git a/drivers/char/drm/r128_state.c b/drivers/char/drm/r128_state.c
new file mode 100644
index 000000000000..38b3cbd0bbba
--- /dev/null
+++ b/drivers/char/drm/r128_state.c
@@ -0,0 +1,1732 @@
+/* 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>
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "r128_drm.h"
+#include "r128_drv.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( (count < 3? count: 3) * 5 + 2 );
+
+ 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 );
+
+ /* Make this work even if front & back are flipped:
+ */
+ if (dev_priv->current_page == 0) {
+ OUT_RING( dev_priv->back_pitch_offset_c );
+ OUT_RING( dev_priv->front_pitch_offset_c );
+ }
+ else {
+ OUT_RING( dev_priv->front_pitch_offset_c );
+ OUT_RING( dev_priv->back_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 pfCurrentPage=%d\n",
+ __FUNCTION__,
+ dev_priv->current_page,
+ dev_priv->sarea_priv->pfCurrentPage);
+
+#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 );
+ } else {
+ OUT_RING( dev_priv->front_offset );
+ }
+
+ 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 =
+ 1 - dev_priv->current_page;
+
+ 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( "buf=%d nbox=%d\n", 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->agp_buffer_map->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->agp_buffer_map->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->agp_buffer_map->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( DRMFILE filp,
+ 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( "\n" );
+
+ /* 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:
+ case R128_DATATYPE_YVYU422:
+ case R128_DATATYPE_VYUY422:
+ 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 DRM_ERR(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->filp != filp ) {
+ DRM_ERROR( "process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->filp );
+ return DRM_ERR(EINVAL);
+ }
+ if ( buf->pending ) {
+ DRM_ERROR( "sending pending buffer %d\n", blit->idx );
+ return DRM_ERR(EINVAL);
+ }
+
+ buf_priv->discard = 1;
+
+ dwords = (blit->width * blit->height) >> dword_shift;
+
+ data = (u32 *)((char *)dev->agp_buffer_map->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, buffer_size, mask_size;
+ RING_LOCALS;
+ DRM_DEBUG( "\n" );
+
+ count = depth->n;
+ if (count > 4096 || count <= 0)
+ return DRM_ERR(EMSGSIZE);
+
+ if ( DRM_COPY_FROM_USER( &x, depth->x, sizeof(x) ) ) {
+ return DRM_ERR(EFAULT);
+ }
+ if ( DRM_COPY_FROM_USER( &y, depth->y, sizeof(y) ) ) {
+ return DRM_ERR(EFAULT);
+ }
+
+ buffer_size = depth->n * sizeof(u32);
+ buffer = drm_alloc( buffer_size, DRM_MEM_BUFS );
+ if ( buffer == NULL )
+ return DRM_ERR(ENOMEM);
+ if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) {
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS);
+ return DRM_ERR(EFAULT);
+ }
+
+ mask_size = depth->n * sizeof(u8);
+ if ( depth->mask ) {
+ mask = drm_alloc( mask_size, DRM_MEM_BUFS );
+ if ( mask == NULL ) {
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS );
+ return DRM_ERR(ENOMEM);
+ }
+ if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) {
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS );
+ drm_free( mask, mask_size, DRM_MEM_BUFS );
+ return DRM_ERR(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();
+ }
+ }
+
+ drm_free( mask, mask_size, DRM_MEM_BUFS );
+ } 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();
+ }
+ }
+
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS );
+
+ 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, xbuf_size, ybuf_size, buffer_size, mask_size;
+ RING_LOCALS;
+ DRM_DEBUG( "\n" );
+
+ count = depth->n;
+ if (count > 4096 || count <= 0)
+ return DRM_ERR(EMSGSIZE);
+
+ xbuf_size = count * sizeof(*x);
+ ybuf_size = count * sizeof(*y);
+ x = drm_alloc( xbuf_size, DRM_MEM_BUFS );
+ if ( x == NULL ) {
+ return DRM_ERR(ENOMEM);
+ }
+ y = drm_alloc( ybuf_size, DRM_MEM_BUFS );
+ if ( y == NULL ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ return DRM_ERR(ENOMEM);
+ }
+ if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ return DRM_ERR(EFAULT);
+ }
+ if ( DRM_COPY_FROM_USER( y, depth->y, xbuf_size ) ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ return DRM_ERR(EFAULT);
+ }
+
+ buffer_size = depth->n * sizeof(u32);
+ buffer = drm_alloc( buffer_size, DRM_MEM_BUFS );
+ if ( buffer == NULL ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ return DRM_ERR(ENOMEM);
+ }
+ if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS );
+ return DRM_ERR(EFAULT);
+ }
+
+ if ( depth->mask ) {
+ mask_size = depth->n * sizeof(u8);
+ mask = drm_alloc( mask_size, DRM_MEM_BUFS );
+ if ( mask == NULL ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS );
+ return DRM_ERR(ENOMEM);
+ }
+ if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS );
+ drm_free( mask, mask_size, DRM_MEM_BUFS );
+ return DRM_ERR(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();
+ }
+ }
+
+ drm_free( mask, mask_size, DRM_MEM_BUFS );
+ } 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();
+ }
+ }
+
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ drm_free( buffer, buffer_size, DRM_MEM_BUFS );
+
+ 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( "\n" );
+
+ count = depth->n;
+ if (count > 4096 || count <= 0)
+ return DRM_ERR(EMSGSIZE);
+
+ if ( DRM_COPY_FROM_USER( &x, depth->x, sizeof(x) ) ) {
+ return DRM_ERR(EFAULT);
+ }
+ if ( DRM_COPY_FROM_USER( &y, depth->y, sizeof(y) ) ) {
+ return DRM_ERR(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, xbuf_size, ybuf_size;
+ RING_LOCALS;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ count = depth->n;
+ if (count > 4096 || count <= 0)
+ return DRM_ERR(EMSGSIZE);
+
+ if ( count > dev_priv->depth_pitch ) {
+ count = dev_priv->depth_pitch;
+ }
+
+ xbuf_size = count * sizeof(*x);
+ ybuf_size = count * sizeof(*y);
+ x = drm_alloc( xbuf_size, DRM_MEM_BUFS );
+ if ( x == NULL ) {
+ return DRM_ERR(ENOMEM);
+ }
+ y = drm_alloc( ybuf_size, DRM_MEM_BUFS );
+ if ( y == NULL ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ return DRM_ERR(ENOMEM);
+ }
+ if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ return DRM_ERR(EFAULT);
+ }
+ if ( DRM_COPY_FROM_USER( y, depth->y, ybuf_size ) ) {
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+ return DRM_ERR(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();
+ }
+
+ drm_free( x, xbuf_size, DRM_MEM_BUFS );
+ drm_free( y, ybuf_size, DRM_MEM_BUFS );
+
+ 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
+ */
+
+static int r128_cce_clear( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ 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( "\n" );
+
+ LOCK_TEST_WITH_RETURN( dev, filp );
+
+ DRM_COPY_FROM_USER_IOCTL( clear, (drm_r128_clear_t __user *) data,
+ sizeof(clear) );
+
+ 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 );
+ COMMIT_RING();
+
+ /* Make sure we restore the 3D state next time.
+ */
+ dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
+
+ return 0;
+}
+
+static int r128_do_init_pageflip( drm_device_t *dev )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG( "\n" );
+
+ dev_priv->crtc_offset = R128_READ( R128_CRTC_OFFSET );
+ dev_priv->crtc_offset_cntl = R128_READ( R128_CRTC_OFFSET_CNTL );
+
+ R128_WRITE( R128_CRTC_OFFSET, dev_priv->front_offset );
+ R128_WRITE( R128_CRTC_OFFSET_CNTL,
+ dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL );
+
+ dev_priv->page_flipping = 1;
+ dev_priv->current_page = 0;
+ dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page;
+
+ return 0;
+}
+
+int r128_do_cleanup_pageflip( drm_device_t *dev )
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG( "\n" );
+
+ R128_WRITE( R128_CRTC_OFFSET, dev_priv->crtc_offset );
+ R128_WRITE( R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl );
+
+ if (dev_priv->current_page != 0) {
+ r128_cce_dispatch_flip( dev );
+ COMMIT_RING();
+ }
+
+ 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.
+ */
+
+static int r128_cce_flip( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+ LOCK_TEST_WITH_RETURN( dev, filp );
+
+ RING_SPACE_TEST_WITH_RETURN( dev_priv );
+
+ if (!dev_priv->page_flipping)
+ r128_do_init_pageflip( dev );
+
+ r128_cce_dispatch_flip( dev );
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_cce_swap( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ 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, filp );
+
+ 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_swap( dev );
+ dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
+ R128_UPLOAD_MASKS);
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_cce_vertex( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ 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, filp );
+
+ if ( !dev_priv ) {
+ DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_COPY_FROM_USER_IOCTL( vertex, (drm_r128_vertex_t __user *) 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 > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
+ 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];
+ buf_priv = buf->dev_private;
+
+ if ( buf->filp != filp ) {
+ DRM_ERROR( "process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->filp );
+ return DRM_ERR(EINVAL);
+ }
+ if ( buf->pending ) {
+ DRM_ERROR( "sending pending buffer %d\n", vertex.idx );
+ return DRM_ERR(EINVAL);
+ }
+
+ buf->used = vertex.count;
+ buf_priv->prim = vertex.prim;
+ buf_priv->discard = vertex.discard;
+
+ r128_cce_dispatch_vertex( dev, buf );
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_cce_indices( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ 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, filp );
+
+ if ( !dev_priv ) {
+ DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_COPY_FROM_USER_IOCTL( elts, (drm_r128_indices_t __user *) data,
+ sizeof(elts) );
+
+ DRM_DEBUG( "pid=%d buf=%d s=%d e=%d d=%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 > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) {
+ 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];
+ buf_priv = buf->dev_private;
+
+ if ( buf->filp != filp ) {
+ DRM_ERROR( "process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->filp );
+ 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 -= R128_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;
+ buf_priv->prim = elts.prim;
+ buf_priv->discard = elts.discard;
+
+ r128_cce_dispatch_indices( dev, buf, elts.start, elts.end, count );
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_cce_blit( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ drm_device_dma_t *dma = dev->dma;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_blit_t blit;
+ int ret;
+
+ LOCK_TEST_WITH_RETURN( dev, filp );
+
+ DRM_COPY_FROM_USER_IOCTL( blit, (drm_r128_blit_t __user *) data,
+ sizeof(blit) );
+
+ DRM_DEBUG( "pid=%d index=%d\n", DRM_CURRENTPID, 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 DRM_ERR(EINVAL);
+ }
+
+ RING_SPACE_TEST_WITH_RETURN( dev_priv );
+ VB_AGE_TEST_WITH_RETURN( dev_priv );
+
+ ret = r128_cce_dispatch_blit( filp, dev, &blit );
+
+ COMMIT_RING();
+ return ret;
+}
+
+static int r128_cce_depth( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_depth_t depth;
+ int ret;
+
+ LOCK_TEST_WITH_RETURN( dev, filp );
+
+ DRM_COPY_FROM_USER_IOCTL( depth, (drm_r128_depth_t __user *) data,
+ sizeof(depth) );
+
+ RING_SPACE_TEST_WITH_RETURN( dev_priv );
+
+ ret = DRM_ERR(EINVAL);
+ switch ( depth.func ) {
+ case R128_WRITE_SPAN:
+ ret = r128_cce_dispatch_write_span( dev, &depth );
+ case R128_WRITE_PIXELS:
+ ret = r128_cce_dispatch_write_pixels( dev, &depth );
+ case R128_READ_SPAN:
+ ret = r128_cce_dispatch_read_span( dev, &depth );
+ case R128_READ_PIXELS:
+ ret = r128_cce_dispatch_read_pixels( dev, &depth );
+ }
+
+ COMMIT_RING();
+ return ret;
+}
+
+static int r128_cce_stipple( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_stipple_t stipple;
+ u32 mask[32];
+
+ LOCK_TEST_WITH_RETURN( dev, filp );
+
+ DRM_COPY_FROM_USER_IOCTL( stipple, (drm_r128_stipple_t __user *) 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 );
+
+ r128_cce_dispatch_stipple( dev, mask );
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_cce_indirect( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ 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, filp );
+
+ if ( !dev_priv ) {
+ DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_COPY_FROM_USER_IOCTL( indirect, (drm_r128_indirect_t __user *) 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];
+ buf_priv = buf->dev_private;
+
+ if ( buf->filp != filp ) {
+ DRM_ERROR( "process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->filp );
+ 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;
+ 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 );
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_getparam( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_getparam_t param;
+ int value;
+
+ if ( !dev_priv ) {
+ DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_COPY_FROM_USER_IOCTL( param, (drm_r128_getparam_t __user *)data,
+ sizeof(param) );
+
+ DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
+
+ switch( param.param ) {
+ case R128_PARAM_IRQ_NR:
+ value = dev->irq;
+ 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;
+}
+
+void r128_driver_prerelease(drm_device_t *dev, DRMFILE filp)
+{
+ if ( dev->dev_private ) {
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ if ( dev_priv->page_flipping ) {
+ r128_do_cleanup_pageflip( dev );
+ }
+ }
+}
+
+void r128_driver_pretakedown(drm_device_t *dev)
+{
+ r128_do_cleanup_cce( dev );
+}
+
+drm_ioctl_desc_t r128_ioctls[] = {
+ [DRM_IOCTL_NR(DRM_R128_INIT)] = { r128_cce_init, 1, 1 },
+ [DRM_IOCTL_NR(DRM_R128_CCE_START)] = { r128_cce_start, 1, 1 },
+ [DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 },
+ [DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 },
+ [DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_RESET)] = { r128_engine_reset, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = { r128_fullscreen, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_SWAP)] = { r128_cce_swap, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_FLIP)] = { r128_cce_flip, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_CLEAR)] = { r128_cce_clear, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_VERTEX)] = { r128_cce_vertex, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_INDICES)] = { r128_cce_indices, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_BLIT)] = { r128_cce_blit, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_DEPTH)] = { r128_cce_depth, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 },
+ [DRM_IOCTL_NR(DRM_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 },
+ [DRM_IOCTL_NR(DRM_R128_GETPARAM)] = { r128_getparam, 1, 0 },
+};
+
+int r128_max_ioctl = DRM_ARRAY_SIZE(r128_ioctls);