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path: root/drivers/gpu/drm/radeon/radeon_state.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_state.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_state.c3203
1 files changed, 3203 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
new file mode 100644
index 0000000..11c146b
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -0,0 +1,3203 @@
+/* radeon_state.c -- State support for Radeon -*- linux-c -*- */
+/*
+ * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Gareth Hughes <gareth@valinux.com>
+ * Kevin E. Martin <martin@valinux.com>
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "drm_sarea.h"
+#include "radeon_drm.h"
+#include "radeon_drv.h"
+
+/* ================================================================
+ * Helper functions for client state checking and fixup
+ */
+
+static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
+ dev_priv,
+ struct drm_file * file_priv,
+ u32 *offset)
+{
+ u64 off = *offset;
+ u32 fb_end = dev_priv->fb_location + dev_priv->fb_size - 1;
+ struct drm_radeon_driver_file_fields *radeon_priv;
+
+ /* Hrm ... the story of the offset ... So this function converts
+ * the various ideas of what userland clients might have for an
+ * offset in the card address space into an offset into the card
+ * address space :) So with a sane client, it should just keep
+ * the value intact and just do some boundary checking. However,
+ * not all clients are sane. Some older clients pass us 0 based
+ * offsets relative to the start of the framebuffer and some may
+ * assume the AGP aperture it appended to the framebuffer, so we
+ * try to detect those cases and fix them up.
+ *
+ * Note: It might be a good idea here to make sure the offset lands
+ * in some "allowed" area to protect things like the PCIE GART...
+ */
+
+ /* First, the best case, the offset already lands in either the
+ * framebuffer or the GART mapped space
+ */
+ if (radeon_check_offset(dev_priv, off))
+ return 0;
+
+ /* Ok, that didn't happen... now check if we have a zero based
+ * offset that fits in the framebuffer + gart space, apply the
+ * magic offset we get from SETPARAM or calculated from fb_location
+ */
+ if (off < (dev_priv->fb_size + dev_priv->gart_size)) {
+ radeon_priv = file_priv->driver_priv;
+ off += radeon_priv->radeon_fb_delta;
+ }
+
+ /* Finally, assume we aimed at a GART offset if beyond the fb */
+ if (off > fb_end)
+ off = off - fb_end - 1 + dev_priv->gart_vm_start;
+
+ /* Now recheck and fail if out of bounds */
+ if (radeon_check_offset(dev_priv, off)) {
+ DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off);
+ *offset = off;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
+ dev_priv,
+ struct drm_file *file_priv,
+ int id, u32 *data)
+{
+ switch (id) {
+
+ case RADEON_EMIT_PP_MISC:
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &data[(RADEON_RB3D_DEPTHOFFSET - RADEON_PP_MISC) / 4])) {
+ DRM_ERROR("Invalid depth buffer offset\n");
+ return -EINVAL;
+ }
+ break;
+
+ case RADEON_EMIT_PP_CNTL:
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &data[(RADEON_RB3D_COLOROFFSET - RADEON_PP_CNTL) / 4])) {
+ DRM_ERROR("Invalid colour buffer offset\n");
+ return -EINVAL;
+ }
+ break;
+
+ case R200_EMIT_PP_TXOFFSET_0:
+ case R200_EMIT_PP_TXOFFSET_1:
+ case R200_EMIT_PP_TXOFFSET_2:
+ case R200_EMIT_PP_TXOFFSET_3:
+ case R200_EMIT_PP_TXOFFSET_4:
+ case R200_EMIT_PP_TXOFFSET_5:
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &data[0])) {
+ DRM_ERROR("Invalid R200 texture offset\n");
+ return -EINVAL;
+ }
+ break;
+
+ case RADEON_EMIT_PP_TXFILTER_0:
+ case RADEON_EMIT_PP_TXFILTER_1:
+ case RADEON_EMIT_PP_TXFILTER_2:
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &data[(RADEON_PP_TXOFFSET_0 - RADEON_PP_TXFILTER_0) / 4])) {
+ DRM_ERROR("Invalid R100 texture offset\n");
+ return -EINVAL;
+ }
+ break;
+
+ case R200_EMIT_PP_CUBIC_OFFSETS_0:
+ case R200_EMIT_PP_CUBIC_OFFSETS_1:
+ case R200_EMIT_PP_CUBIC_OFFSETS_2:
+ case R200_EMIT_PP_CUBIC_OFFSETS_3:
+ case R200_EMIT_PP_CUBIC_OFFSETS_4:
+ case R200_EMIT_PP_CUBIC_OFFSETS_5:{
+ int i;
+ for (i = 0; i < 5; i++) {
+ if (radeon_check_and_fixup_offset(dev_priv,
+ file_priv,
+ &data[i])) {
+ DRM_ERROR
+ ("Invalid R200 cubic texture offset\n");
+ return -EINVAL;
+ }
+ }
+ break;
+ }
+
+ case RADEON_EMIT_PP_CUBIC_OFFSETS_T0:
+ case RADEON_EMIT_PP_CUBIC_OFFSETS_T1:
+ case RADEON_EMIT_PP_CUBIC_OFFSETS_T2:{
+ int i;
+ for (i = 0; i < 5; i++) {
+ if (radeon_check_and_fixup_offset(dev_priv,
+ file_priv,
+ &data[i])) {
+ DRM_ERROR
+ ("Invalid R100 cubic texture offset\n");
+ return -EINVAL;
+ }
+ }
+ }
+ break;
+
+ case R200_EMIT_VAP_CTL:{
+ RING_LOCALS;
+ BEGIN_RING(2);
+ OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
+ ADVANCE_RING();
+ }
+ break;
+
+ case RADEON_EMIT_RB3D_COLORPITCH:
+ case RADEON_EMIT_RE_LINE_PATTERN:
+ case RADEON_EMIT_SE_LINE_WIDTH:
+ case RADEON_EMIT_PP_LUM_MATRIX:
+ case RADEON_EMIT_PP_ROT_MATRIX_0:
+ case RADEON_EMIT_RB3D_STENCILREFMASK:
+ case RADEON_EMIT_SE_VPORT_XSCALE:
+ case RADEON_EMIT_SE_CNTL:
+ case RADEON_EMIT_SE_CNTL_STATUS:
+ case RADEON_EMIT_RE_MISC:
+ case RADEON_EMIT_PP_BORDER_COLOR_0:
+ case RADEON_EMIT_PP_BORDER_COLOR_1:
+ case RADEON_EMIT_PP_BORDER_COLOR_2:
+ case RADEON_EMIT_SE_ZBIAS_FACTOR:
+ case RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT:
+ case RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED:
+ case R200_EMIT_PP_TXCBLEND_0:
+ case R200_EMIT_PP_TXCBLEND_1:
+ case R200_EMIT_PP_TXCBLEND_2:
+ case R200_EMIT_PP_TXCBLEND_3:
+ case R200_EMIT_PP_TXCBLEND_4:
+ case R200_EMIT_PP_TXCBLEND_5:
+ case R200_EMIT_PP_TXCBLEND_6:
+ case R200_EMIT_PP_TXCBLEND_7:
+ case R200_EMIT_TCL_LIGHT_MODEL_CTL_0:
+ case R200_EMIT_TFACTOR_0:
+ case R200_EMIT_VTX_FMT_0:
+ case R200_EMIT_MATRIX_SELECT_0:
+ case R200_EMIT_TEX_PROC_CTL_2:
+ case R200_EMIT_TCL_UCP_VERT_BLEND_CTL:
+ case R200_EMIT_PP_TXFILTER_0:
+ case R200_EMIT_PP_TXFILTER_1:
+ case R200_EMIT_PP_TXFILTER_2:
+ case R200_EMIT_PP_TXFILTER_3:
+ case R200_EMIT_PP_TXFILTER_4:
+ case R200_EMIT_PP_TXFILTER_5:
+ case R200_EMIT_VTE_CNTL:
+ case R200_EMIT_OUTPUT_VTX_COMP_SEL:
+ case R200_EMIT_PP_TAM_DEBUG3:
+ case R200_EMIT_PP_CNTL_X:
+ case R200_EMIT_RB3D_DEPTHXY_OFFSET:
+ case R200_EMIT_RE_AUX_SCISSOR_CNTL:
+ case R200_EMIT_RE_SCISSOR_TL_0:
+ case R200_EMIT_RE_SCISSOR_TL_1:
+ case R200_EMIT_RE_SCISSOR_TL_2:
+ case R200_EMIT_SE_VAP_CNTL_STATUS:
+ case R200_EMIT_SE_VTX_STATE_CNTL:
+ case R200_EMIT_RE_POINTSIZE:
+ case R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0:
+ case R200_EMIT_PP_CUBIC_FACES_0:
+ case R200_EMIT_PP_CUBIC_FACES_1:
+ case R200_EMIT_PP_CUBIC_FACES_2:
+ case R200_EMIT_PP_CUBIC_FACES_3:
+ case R200_EMIT_PP_CUBIC_FACES_4:
+ case R200_EMIT_PP_CUBIC_FACES_5:
+ case RADEON_EMIT_PP_TEX_SIZE_0:
+ case RADEON_EMIT_PP_TEX_SIZE_1:
+ case RADEON_EMIT_PP_TEX_SIZE_2:
+ case R200_EMIT_RB3D_BLENDCOLOR:
+ case R200_EMIT_TCL_POINT_SPRITE_CNTL:
+ case RADEON_EMIT_PP_CUBIC_FACES_0:
+ case RADEON_EMIT_PP_CUBIC_FACES_1:
+ case RADEON_EMIT_PP_CUBIC_FACES_2:
+ case R200_EMIT_PP_TRI_PERF_CNTL:
+ case R200_EMIT_PP_AFS_0:
+ case R200_EMIT_PP_AFS_1:
+ case R200_EMIT_ATF_TFACTOR:
+ case R200_EMIT_PP_TXCTLALL_0:
+ case R200_EMIT_PP_TXCTLALL_1:
+ case R200_EMIT_PP_TXCTLALL_2:
+ case R200_EMIT_PP_TXCTLALL_3:
+ case R200_EMIT_PP_TXCTLALL_4:
+ case R200_EMIT_PP_TXCTLALL_5:
+ case R200_EMIT_VAP_PVS_CNTL:
+ /* These packets don't contain memory offsets */
+ break;
+
+ default:
+ DRM_ERROR("Unknown state packet ID %d\n", id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
+ dev_priv,
+ struct drm_file *file_priv,
+ drm_radeon_kcmd_buffer_t *
+ cmdbuf,
+ unsigned int *cmdsz)
+{
+ u32 *cmd = (u32 *) cmdbuf->buf;
+ u32 offset, narrays;
+ int count, i, k;
+
+ *cmdsz = 2 + ((cmd[0] & RADEON_CP_PACKET_COUNT_MASK) >> 16);
+
+ if ((cmd[0] & 0xc0000000) != RADEON_CP_PACKET3) {
+ DRM_ERROR("Not a type 3 packet\n");
+ return -EINVAL;
+ }
+
+ if (4 * *cmdsz > cmdbuf->bufsz) {
+ DRM_ERROR("Packet size larger than size of data provided\n");
+ return -EINVAL;
+ }
+
+ switch(cmd[0] & 0xff00) {
+ /* XXX Are there old drivers needing other packets? */
+
+ case RADEON_3D_DRAW_IMMD:
+ case RADEON_3D_DRAW_VBUF:
+ case RADEON_3D_DRAW_INDX:
+ case RADEON_WAIT_FOR_IDLE:
+ case RADEON_CP_NOP:
+ case RADEON_3D_CLEAR_ZMASK:
+/* case RADEON_CP_NEXT_CHAR:
+ case RADEON_CP_PLY_NEXTSCAN:
+ case RADEON_CP_SET_SCISSORS: */ /* probably safe but will never need them? */
+ /* these packets are safe */
+ break;
+
+ case RADEON_CP_3D_DRAW_IMMD_2:
+ case RADEON_CP_3D_DRAW_VBUF_2:
+ case RADEON_CP_3D_DRAW_INDX_2:
+ case RADEON_3D_CLEAR_HIZ:
+ /* safe but r200 only */
+ if (dev_priv->microcode_version != UCODE_R200) {
+ DRM_ERROR("Invalid 3d packet for r100-class chip\n");
+ return -EINVAL;
+ }
+ break;
+
+ case RADEON_3D_LOAD_VBPNTR:
+ count = (cmd[0] >> 16) & 0x3fff;
+
+ if (count > 18) { /* 12 arrays max */
+ DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n",
+ count);
+ return -EINVAL;
+ }
+
+ /* carefully check packet contents */
+ narrays = cmd[1] & ~0xc000;
+ k = 0;
+ i = 2;
+ while ((k < narrays) && (i < (count + 2))) {
+ i++; /* skip attribute field */
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &cmd[i])) {
+ DRM_ERROR
+ ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
+ k, i);
+ return -EINVAL;
+ }
+ k++;
+ i++;
+ if (k == narrays)
+ break;
+ /* have one more to process, they come in pairs */
+ if (radeon_check_and_fixup_offset(dev_priv,
+ file_priv, &cmd[i]))
+ {
+ DRM_ERROR
+ ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
+ k, i);
+ return -EINVAL;
+ }
+ k++;
+ i++;
+ }
+ /* do the counts match what we expect ? */
+ if ((k != narrays) || (i != (count + 2))) {
+ DRM_ERROR
+ ("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n",
+ k, i, narrays, count + 1);
+ return -EINVAL;
+ }
+ break;
+
+ case RADEON_3D_RNDR_GEN_INDX_PRIM:
+ if (dev_priv->microcode_version != UCODE_R100) {
+ DRM_ERROR("Invalid 3d packet for r200-class chip\n");
+ return -EINVAL;
+ }
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[1])) {
+ DRM_ERROR("Invalid rndr_gen_indx offset\n");
+ return -EINVAL;
+ }
+ break;
+
+ case RADEON_CP_INDX_BUFFER:
+ if (dev_priv->microcode_version != UCODE_R200) {
+ DRM_ERROR("Invalid 3d packet for r100-class chip\n");
+ return -EINVAL;
+ }
+ if ((cmd[1] & 0x8000ffff) != 0x80000810) {
+ DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
+ return -EINVAL;
+ }
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[2])) {
+ DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
+ return -EINVAL;
+ }
+ break;
+
+ case RADEON_CNTL_HOSTDATA_BLT:
+ case RADEON_CNTL_PAINT_MULTI:
+ case RADEON_CNTL_BITBLT_MULTI:
+ /* MSB of opcode: next DWORD GUI_CNTL */
+ if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
+ | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
+ offset = cmd[2] << 10;
+ if (radeon_check_and_fixup_offset
+ (dev_priv, file_priv, &offset)) {
+ DRM_ERROR("Invalid first packet offset\n");
+ return -EINVAL;
+ }
+ cmd[2] = (cmd[2] & 0xffc00000) | offset >> 10;
+ }
+
+ if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
+ (cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
+ offset = cmd[3] << 10;
+ if (radeon_check_and_fixup_offset
+ (dev_priv, file_priv, &offset)) {
+ DRM_ERROR("Invalid second packet offset\n");
+ return -EINVAL;
+ }
+ cmd[3] = (cmd[3] & 0xffc00000) | offset >> 10;
+ }
+ break;
+
+ default:
+ DRM_ERROR("Invalid packet type %x\n", cmd[0] & 0xff00);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* ================================================================
+ * CP hardware state programming functions
+ */
+
+static __inline__ void radeon_emit_clip_rect(drm_radeon_private_t * dev_priv,
+ struct drm_clip_rect * 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));
+ ADVANCE_RING();
+}
+
+/* Emit 1.1 state
+ */
+static int radeon_emit_state(drm_radeon_private_t * dev_priv,
+ struct drm_file *file_priv,
+ drm_radeon_context_regs_t * ctx,
+ drm_radeon_texture_regs_t * tex,
+ unsigned int dirty)
+{
+ RING_LOCALS;
+ DRM_DEBUG("dirty=0x%08x\n", dirty);
+
+ if (dirty & RADEON_UPLOAD_CONTEXT) {
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &ctx->rb3d_depthoffset)) {
+ DRM_ERROR("Invalid depth buffer offset\n");
+ return -EINVAL;
+ }
+
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &ctx->rb3d_coloroffset)) {
+ DRM_ERROR("Invalid depth buffer offset\n");
+ return -EINVAL;
+ }
+
+ 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) {
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &tex[0].pp_txoffset)) {
+ DRM_ERROR("Invalid texture offset for unit 0\n");
+ return -EINVAL;
+ }
+
+ 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) {
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &tex[1].pp_txoffset)) {
+ DRM_ERROR("Invalid texture offset for unit 1\n");
+ return -EINVAL;
+ }
+
+ 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) {
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv,
+ &tex[2].pp_txoffset)) {
+ DRM_ERROR("Invalid texture offset for unit 2\n");
+ return -EINVAL;
+ }
+
+ 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();
+ }
+
+ return 0;
+}
+
+/* Emit 1.2 state
+ */
+static int radeon_emit_state2(drm_radeon_private_t * dev_priv,
+ struct drm_file *file_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();
+ }
+
+ return radeon_emit_state(dev_priv, file_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"},
+ {R200_PP_CUBIC_FACES_0, 1, "R200_PP_CUBIC_FACES_0"}, /* 61 */
+ {R200_PP_CUBIC_OFFSET_F1_0, 5, "R200_PP_CUBIC_OFFSET_F1_0"}, /* 62 */
+ {R200_PP_CUBIC_FACES_1, 1, "R200_PP_CUBIC_FACES_1"},
+ {R200_PP_CUBIC_OFFSET_F1_1, 5, "R200_PP_CUBIC_OFFSET_F1_1"},
+ {R200_PP_CUBIC_FACES_2, 1, "R200_PP_CUBIC_FACES_2"},
+ {R200_PP_CUBIC_OFFSET_F1_2, 5, "R200_PP_CUBIC_OFFSET_F1_2"},
+ {R200_PP_CUBIC_FACES_3, 1, "R200_PP_CUBIC_FACES_3"},
+ {R200_PP_CUBIC_OFFSET_F1_3, 5, "R200_PP_CUBIC_OFFSET_F1_3"},
+ {R200_PP_CUBIC_FACES_4, 1, "R200_PP_CUBIC_FACES_4"},
+ {R200_PP_CUBIC_OFFSET_F1_4, 5, "R200_PP_CUBIC_OFFSET_F1_4"},
+ {R200_PP_CUBIC_FACES_5, 1, "R200_PP_CUBIC_FACES_5"},
+ {R200_PP_CUBIC_OFFSET_F1_5, 5, "R200_PP_CUBIC_OFFSET_F1_5"},
+ {RADEON_PP_TEX_SIZE_0, 2, "RADEON_PP_TEX_SIZE_0"},
+ {RADEON_PP_TEX_SIZE_1, 2, "RADEON_PP_TEX_SIZE_1"},
+ {RADEON_PP_TEX_SIZE_2, 2, "RADEON_PP_TEX_SIZE_2"},
+ {R200_RB3D_BLENDCOLOR, 3, "R200_RB3D_BLENDCOLOR"},
+ {R200_SE_TCL_POINT_SPRITE_CNTL, 1, "R200_SE_TCL_POINT_SPRITE_CNTL"},
+ {RADEON_PP_CUBIC_FACES_0, 1, "RADEON_PP_CUBIC_FACES_0"},
+ {RADEON_PP_CUBIC_OFFSET_T0_0, 5, "RADEON_PP_CUBIC_OFFSET_T0_0"},
+ {RADEON_PP_CUBIC_FACES_1, 1, "RADEON_PP_CUBIC_FACES_1"},
+ {RADEON_PP_CUBIC_OFFSET_T1_0, 5, "RADEON_PP_CUBIC_OFFSET_T1_0"},
+ {RADEON_PP_CUBIC_FACES_2, 1, "RADEON_PP_CUBIC_FACES_2"},
+ {RADEON_PP_CUBIC_OFFSET_T2_0, 5, "RADEON_PP_CUBIC_OFFSET_T2_0"},
+ {R200_PP_TRI_PERF, 2, "R200_PP_TRI_PERF"},
+ {R200_PP_AFS_0, 32, "R200_PP_AFS_0"}, /* 85 */
+ {R200_PP_AFS_1, 32, "R200_PP_AFS_1"},
+ {R200_PP_TFACTOR_0, 8, "R200_ATF_TFACTOR"},
+ {R200_PP_TXFILTER_0, 8, "R200_PP_TXCTLALL_0"},
+ {R200_PP_TXFILTER_1, 8, "R200_PP_TXCTLALL_1"},
+ {R200_PP_TXFILTER_2, 8, "R200_PP_TXCTLALL_2"},
+ {R200_PP_TXFILTER_3, 8, "R200_PP_TXCTLALL_3"},
+ {R200_PP_TXFILTER_4, 8, "R200_PP_TXCTLALL_4"},
+ {R200_PP_TXFILTER_5, 8, "R200_PP_TXCTLALL_5"},
+ {R200_VAP_PVS_CNTL_1, 2, "R200_VAP_PVS_CNTL"},
+};
+
+/* ================================================================
+ * 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 color;
+ RING_LOCALS;
+
+ x += dev_priv->sarea_priv->boxes[0].x1;
+ y += dev_priv->sarea_priv->boxes[0].y1;
+
+ 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;
+ }
+
+ BEGIN_RING(4);
+ RADEON_WAIT_UNTIL_3D_IDLE();
+ OUT_RING(CP_PACKET0(RADEON_DP_WRITE_MASK, 0));
+ OUT_RING(0xffffffff);
+ ADVANCE_RING();
+
+ 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);
+
+ if (dev_priv->sarea_priv->pfCurrentPage == 1) {
+ OUT_RING(dev_priv->front_pitch_offset);
+ } else {
+ OUT_RING(dev_priv->back_pitch_offset);
+ }
+
+ 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)
+{
+ /* Collapse various things into a wait flag -- trying to
+ * guess if userspase slept -- better just to have them tell us.
+ */
+ if (dev_priv->stats.last_frame_reads > 1 ||
+ dev_priv->stats.last_clear_reads > dev_priv->stats.clears) {
+ dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
+ }
+
+ if (dev_priv->stats.freelist_loops) {
+ dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
+ }
+
+ /* Purple box for page flipping
+ */
+ if (dev_priv->stats.boxes & RADEON_BOX_FLIP)
+ radeon_clear_box(dev_priv, 4, 4, 8, 8, 255, 0, 255);
+
+ /* Red box if we have to wait for idle at any point
+ */
+ if (dev_priv->stats.boxes & RADEON_BOX_WAIT_IDLE)
+ radeon_clear_box(dev_priv, 16, 4, 8, 8, 255, 0, 0);
+
+ /* Blue box: lost context?
+ */
+
+ /* Yellow box for texture swaps
+ */
+ if (dev_priv->stats.boxes & RADEON_BOX_TEXTURE_LOAD)
+ radeon_clear_box(dev_priv, 40, 4, 8, 8, 255, 255, 0);
+
+ /* Green box if hardware never idles (as far as we can tell)
+ */
+ if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE))
+ radeon_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
+
+ /* Draw bars indicating number of buffers allocated
+ * (not a great measure, easily confused)
+ */
+ if (dev_priv->stats.requested_bufs) {
+ if (dev_priv->stats.requested_bufs > 100)
+ dev_priv->stats.requested_bufs = 100;
+
+ radeon_clear_box(dev_priv, 4, 16,
+ dev_priv->stats.requested_bufs, 4,
+ 196, 128, 128);
+ }
+
+ memset(&dev_priv->stats, 0, sizeof(dev_priv->stats));
+
+}
+
+/* ================================================================
+ * CP command dispatch functions
+ */
+
+static void radeon_cp_dispatch_clear(struct drm_device * 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;
+ struct drm_clip_rect *pbox = sarea_priv->boxes;
+ unsigned int flags = clear->flags;
+ u32 rb3d_cntl = 0, rb3d_stencilrefmask = 0;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG("flags = 0x%x\n", flags);
+
+ dev_priv->stats.clears++;
+
+ if (dev_priv->sarea_priv->pfCurrentPage == 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("%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();
+ }
+ }
+ }
+
+ /* hyper z clear */
+ /* no docs available, based on reverse engeneering by Stephane Marchesin */
+ if ((flags & (RADEON_DEPTH | RADEON_STENCIL))
+ && (flags & RADEON_CLEAR_FASTZ)) {
+
+ int i;
+ int depthpixperline =
+ dev_priv->depth_fmt ==
+ RADEON_DEPTH_FORMAT_16BIT_INT_Z ? (dev_priv->depth_pitch /
+ 2) : (dev_priv->
+ depth_pitch / 4);
+
+ u32 clearmask;
+
+ u32 tempRB3D_DEPTHCLEARVALUE = clear->clear_depth |
+ ((clear->depth_mask & 0xff) << 24);
+
+ /* Make sure we restore the 3D state next time.
+ * we haven't touched any "normal" state - still need this?
+ */
+ dev_priv->sarea_priv->ctx_owner = 0;
+
+ if ((dev_priv->flags & RADEON_HAS_HIERZ)
+ && (flags & RADEON_USE_HIERZ)) {
+ /* FIXME : reverse engineer that for Rx00 cards */
+ /* FIXME : the mask supposedly contains low-res z values. So can't set
+ just to the max (0xff? or actually 0x3fff?), need to take z clear
+ value into account? */
+ /* pattern seems to work for r100, though get slight
+ rendering errors with glxgears. If hierz is not enabled for r100,
+ only 4 bits which indicate clear (15,16,31,32, all zero) matter, the
+ other ones are ignored, and the same clear mask can be used. That's
+ very different behaviour than R200 which needs different clear mask
+ and different number of tiles to clear if hierz is enabled or not !?!
+ */
+ clearmask = (0xff << 22) | (0xff << 6) | 0x003f003f;
+ } else {
+ /* clear mask : chooses the clearing pattern.
+ rv250: could be used to clear only parts of macrotiles
+ (but that would get really complicated...)?
+ bit 0 and 1 (either or both of them ?!?!) are used to
+ not clear tile (or maybe one of the bits indicates if the tile is
+ compressed or not), bit 2 and 3 to not clear tile 1,...,.
+ Pattern is as follows:
+ | 0,1 | 4,5 | 8,9 |12,13|16,17|20,21|24,25|28,29|
+ bits -------------------------------------------------
+ | 2,3 | 6,7 |10,11|14,15|18,19|22,23|26,27|30,31|
+ rv100: clearmask covers 2x8 4x1 tiles, but one clear still
+ covers 256 pixels ?!?
+ */
+ clearmask = 0x0;
+ }
+
+ BEGIN_RING(8);
+ RADEON_WAIT_UNTIL_2D_IDLE();
+ OUT_RING_REG(RADEON_RB3D_DEPTHCLEARVALUE,
+ tempRB3D_DEPTHCLEARVALUE);
+ /* what offset is this exactly ? */
+ OUT_RING_REG(RADEON_RB3D_ZMASKOFFSET, 0);
+ /* need ctlstat, otherwise get some strange black flickering */
+ OUT_RING_REG(RADEON_RB3D_ZCACHE_CTLSTAT,
+ RADEON_RB3D_ZC_FLUSH_ALL);
+ ADVANCE_RING();
+
+ for (i = 0; i < nbox; i++) {
+ int tileoffset, nrtilesx, nrtilesy, j;
+ /* it looks like r200 needs rv-style clears, at least if hierz is not enabled? */
+ if ((dev_priv->flags & RADEON_HAS_HIERZ)
+ && !(dev_priv->microcode_version == UCODE_R200)) {
+ /* FIXME : figure this out for r200 (when hierz is enabled). Or
+ maybe r200 actually doesn't need to put the low-res z value into
+ the tile cache like r100, but just needs to clear the hi-level z-buffer?
+ Works for R100, both with hierz and without.
+ R100 seems to operate on 2x1 8x8 tiles, but...
+ odd: offset/nrtiles need to be 64 pix (4 block) aligned? Potentially
+ problematic with resolutions which are not 64 pix aligned? */
+ tileoffset =
+ ((pbox[i].y1 >> 3) * depthpixperline +
+ pbox[i].x1) >> 6;
+ nrtilesx =
+ ((pbox[i].x2 & ~63) -
+ (pbox[i].x1 & ~63)) >> 4;
+ nrtilesy =
+ (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING(4);
+ OUT_RING(CP_PACKET3
+ (RADEON_3D_CLEAR_ZMASK, 2));
+ /* first tile */
+ OUT_RING(tileoffset * 8);
+ /* the number of tiles to clear */
+ OUT_RING(nrtilesx + 4);
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING(clearmask);
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 6;
+ }
+ } else if (dev_priv->microcode_version == UCODE_R200) {
+ /* works for rv250. */
+ /* find first macro tile (8x2 4x4 z-pixels on rv250) */
+ tileoffset =
+ ((pbox[i].y1 >> 3) * depthpixperline +
+ pbox[i].x1) >> 5;
+ nrtilesx =
+ (pbox[i].x2 >> 5) - (pbox[i].x1 >> 5);
+ nrtilesy =
+ (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING(4);
+ OUT_RING(CP_PACKET3
+ (RADEON_3D_CLEAR_ZMASK, 2));
+ /* first tile */
+ /* judging by the first tile offset needed, could possibly
+ directly address/clear 4x4 tiles instead of 8x2 * 4x4
+ macro tiles, though would still need clear mask for
+ right/bottom if truely 4x4 granularity is desired ? */
+ OUT_RING(tileoffset * 16);
+ /* the number of tiles to clear */
+ OUT_RING(nrtilesx + 1);
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING(clearmask);
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 5;
+ }
+ } else { /* rv 100 */
+ /* rv100 might not need 64 pix alignment, who knows */
+ /* offsets are, hmm, weird */
+ tileoffset =
+ ((pbox[i].y1 >> 4) * depthpixperline +
+ pbox[i].x1) >> 6;
+ nrtilesx =
+ ((pbox[i].x2 & ~63) -
+ (pbox[i].x1 & ~63)) >> 4;
+ nrtilesy =
+ (pbox[i].y2 >> 4) - (pbox[i].y1 >> 4);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING(4);
+ OUT_RING(CP_PACKET3
+ (RADEON_3D_CLEAR_ZMASK, 2));
+ OUT_RING(tileoffset * 128);
+ /* the number of tiles to clear */
+ OUT_RING(nrtilesx + 4);
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING(clearmask);
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 6;
+ }
+ }
+ }
+
+ /* TODO don't always clear all hi-level z tiles */
+ if ((dev_priv->flags & RADEON_HAS_HIERZ)
+ && (dev_priv->microcode_version == UCODE_R200)
+ && (flags & RADEON_USE_HIERZ))
+ /* r100 and cards without hierarchical z-buffer have no high-level z-buffer */
+ /* FIXME : the mask supposedly contains low-res z values. So can't set
+ just to the max (0xff? or actually 0x3fff?), need to take z clear
+ value into account? */
+ {
+ BEGIN_RING(4);
+ OUT_RING(CP_PACKET3(RADEON_3D_CLEAR_HIZ, 2));
+ OUT_RING(0x0); /* First tile */
+ OUT_RING(0x3cc0);
+ OUT_RING((0xff << 22) | (0xff << 6) | 0x003f003f);
+ 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.
+ */
+ else if ((dev_priv->microcode_version == UCODE_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_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;
+ }
+
+ if (flags & RADEON_USE_COMP_ZBUF) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
+ RADEON_Z_DECOMPRESSION_ENABLE;
+ }
+ if (flags & RADEON_USE_HIERZ) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
+ }
+
+ 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))) {
+
+ int tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
+
+ 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;
+ }
+
+ if (flags & RADEON_USE_COMP_ZBUF) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
+ RADEON_Z_DECOMPRESSION_ENABLE;
+ }
+ if (flags & RADEON_USE_HIERZ) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
+ }
+
+ 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, tempRB3D_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(struct drm_device * 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;
+ struct drm_clip_rect *pbox = sarea_priv->boxes;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG("\n");
+
+ /* Do some trivial performance monitoring...
+ */
+ if (dev_priv->do_boxes)
+ radeon_cp_performance_boxes(dev_priv);
+
+ /* 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("%d,%d-%d,%d\n", x, y, w, h);
+
+ BEGIN_RING(9);
+
+ OUT_RING(CP_PACKET0(RADEON_DP_GUI_MASTER_CNTL, 0));
+ 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:
+ */
+ OUT_RING(CP_PACKET0(RADEON_SRC_PITCH_OFFSET, 1));
+ if (dev_priv->sarea_priv->pfCurrentPage == 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(CP_PACKET0(RADEON_SRC_X_Y, 2));
+ 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(struct drm_device * dev)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_sarea *sarea = (struct drm_sarea *) dev_priv->sarea->handle;
+ int offset = (dev_priv->sarea_priv->pfCurrentPage == 1)
+ ? dev_priv->front_offset : dev_priv->back_offset;
+ RING_LOCALS;
+ DRM_DEBUG("pfCurrentPage=%d\n",
+ dev_priv->sarea_priv->pfCurrentPage);
+
+ /* Do some trivial performance monitoring...
+ */
+ if (dev_priv->do_boxes) {
+ dev_priv->stats.boxes |= RADEON_BOX_FLIP;
+ radeon_cp_performance_boxes(dev_priv);
+ }
+
+ /* Update the frame offsets for both CRTCs
+ */
+ BEGIN_RING(6);
+
+ RADEON_WAIT_UNTIL_3D_IDLE();
+ OUT_RING_REG(RADEON_CRTC_OFFSET,
+ ((sarea->frame.y * dev_priv->front_pitch +
+ sarea->frame.x * (dev_priv->color_fmt - 2)) & ~7)
+ + offset);
+ OUT_RING_REG(RADEON_CRTC2_OFFSET, dev_priv->sarea_priv->crtc2_base
+ + 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 =
+ 1 - dev_priv->sarea_priv->pfCurrentPage;
+
+ 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(struct drm_device * dev,
+ struct drm_buf * buf,
+ drm_radeon_tcl_prim_t * prim)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ int offset = dev_priv->gart_buffers_offset + buf->offset + prim->start;
+ int numverts = (int)prim->numverts;
+ int nbox = sarea_priv->nbox;
+ int i = 0;
+ RING_LOCALS;
+
+ DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d %d verts\n",
+ prim->prim,
+ prim->vc_format, prim->start, prim->finish, prim->numverts);
+
+ if (bad_prim_vertex_nr(prim->prim, prim->numverts)) {
+ DRM_ERROR("bad prim %x numverts %d\n",
+ prim->prim, prim->numverts);
+ return;
+ }
+
+ do {
+ /* Emit the next cliprect */
+ if (i < nbox) {
+ radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
+ }
+
+ /* 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(struct drm_device * dev, struct drm_buf * 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(struct drm_device * dev,
+ struct drm_buf * buf, int start, int end)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ RING_LOCALS;
+ DRM_DEBUG("buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
+
+ if (start != end) {
+ int offset = (dev_priv->gart_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->agp_buffer_map->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(struct drm_device * dev,
+ struct drm_buf * elt_buf,
+ drm_radeon_tcl_prim_t * prim)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ int offset = dev_priv->gart_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);
+ int nbox = sarea_priv->nbox;
+
+ DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d offset: %x nr %d\n",
+ prim->prim,
+ prim->vc_format,
+ prim->start, prim->finish, prim->offset, prim->numverts);
+
+ if (bad_prim_vertex_nr(prim->prim, count)) {
+ DRM_ERROR("bad prim %x count %d\n", prim->prim, count);
+ return;
+ }
+
+ if (start >= prim->finish || (prim->start & 0x7)) {
+ DRM_ERROR("buffer prim %d\n", prim->prim);
+ return;
+ }
+
+ dwords = (prim->finish - prim->start + 3) / sizeof(u32);
+
+ data = (u32 *) ((char *)dev->agp_buffer_map->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)
+ radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
+
+ radeon_cp_dispatch_indirect(dev, elt_buf,
+ prim->start, prim->finish);
+
+ i++;
+ } while (i < nbox);
+
+}
+
+#define RADEON_MAX_TEXTURE_SIZE RADEON_BUFFER_SIZE
+
+static int radeon_cp_dispatch_texture(struct drm_device * dev,
+ struct drm_file *file_priv,
+ drm_radeon_texture_t * tex,
+ drm_radeon_tex_image_t * image)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_buf *buf;
+ u32 format;
+ u32 *buffer;
+ const u8 __user *data;
+ int size, dwords, tex_width, blit_width, spitch;
+ u32 height;
+ int i;
+ u32 texpitch, microtile;
+ u32 offset, byte_offset;
+ RING_LOCALS;
+
+ if (radeon_check_and_fixup_offset(dev_priv, file_priv, &tex->offset)) {
+ DRM_ERROR("Invalid destination offset\n");
+ return -EINVAL;
+ }
+
+ dev_priv->stats.boxes |= RADEON_BOX_TEXTURE_LOAD;
+
+ /* 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();
+
+ /* 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:
+ case RADEON_TXFORMAT_VYUY422:
+ case RADEON_TXFORMAT_YVYU422:
+ 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;
+ }
+ spitch = blit_width >> 6;
+ if (spitch == 0 && image->height > 1)
+ return -EINVAL;
+
+ texpitch = tex->pitch;
+ if ((texpitch << 22) & RADEON_DST_TILE_MICRO) {
+ microtile = 1;
+ if (tex_width < 64) {
+ texpitch &= ~(RADEON_DST_TILE_MICRO >> 22);
+ /* we got tiled coordinates, untile them */
+ image->x *= 2;
+ }
+ } else
+ microtile = 0;
+
+ /* this might fail for zero-sized uploads - are those illegal? */
+ if (!radeon_check_offset(dev_priv, tex->offset + image->height *
+ blit_width - 1)) {
+ DRM_ERROR("Invalid final destination offset\n");
+ return -EINVAL;
+ }
+
+ DRM_DEBUG("tex=%dx%d blit=%d\n", tex_width, tex->height, blit_width);
+
+ do {
+ 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);
+
+ /* Make a copy of some parameters in case we have to
+ * update them for a multi-pass texture blit.
+ */
+ height = image->height;
+ data = (const u8 __user *)image->data;
+
+ size = height * blit_width;
+
+ if (size > RADEON_MAX_TEXTURE_SIZE) {
+ height = RADEON_MAX_TEXTURE_SIZE / blit_width;
+ size = height * blit_width;
+ } else if (size < 4 && size > 0) {
+ size = 4;
+ } else if (size == 0) {
+ return 0;
+ }
+
+ buf = radeon_freelist_get(dev);
+ if (0 && !buf) {
+ radeon_do_cp_idle(dev_priv);
+ buf = radeon_freelist_get(dev);
+ }
+ if (!buf) {
+ DRM_DEBUG("EAGAIN\n");
+ if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
+ return -EFAULT;
+ return -EAGAIN;
+ }
+
+ /* Dispatch the indirect buffer.
+ */
+ buffer =
+ (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
+ dwords = size / 4;
+
+#define RADEON_COPY_MT(_buf, _data, _width) \
+ do { \
+ if (DRM_COPY_FROM_USER(_buf, _data, (_width))) {\
+ DRM_ERROR("EFAULT on pad, %d bytes\n", (_width)); \
+ return -EFAULT; \
+ } \
+ } while(0)
+
+ if (microtile) {
+ /* texture micro tiling in use, minimum texture width is thus 16 bytes.
+ however, we cannot use blitter directly for texture width < 64 bytes,
+ since minimum tex pitch is 64 bytes and we need this to match
+ the texture width, otherwise the blitter will tile it wrong.
+ Thus, tiling manually in this case. Additionally, need to special
+ case tex height = 1, since our actual image will have height 2
+ and we need to ensure we don't read beyond the texture size
+ from user space. */
+ if (tex->height == 1) {
+ if (tex_width >= 64 || tex_width <= 16) {
+ RADEON_COPY_MT(buffer, data,
+ (int)(tex_width * sizeof(u32)));
+ } else if (tex_width == 32) {
+ RADEON_COPY_MT(buffer, data, 16);
+ RADEON_COPY_MT(buffer + 8,
+ data + 16, 16);
+ }
+ } else if (tex_width >= 64 || tex_width == 16) {
+ RADEON_COPY_MT(buffer, data,
+ (int)(dwords * sizeof(u32)));
+ } else if (tex_width < 16) {
+ for (i = 0; i < tex->height; i++) {
+ RADEON_COPY_MT(buffer, data, tex_width);
+ buffer += 4;
+ data += tex_width;
+ }
+ } else if (tex_width == 32) {
+ /* TODO: make sure this works when not fitting in one buffer
+ (i.e. 32bytes x 2048...) */
+ for (i = 0; i < tex->height; i += 2) {
+ RADEON_COPY_MT(buffer, data, 16);
+ data += 16;
+ RADEON_COPY_MT(buffer + 8, data, 16);
+ data += 16;
+ RADEON_COPY_MT(buffer + 4, data, 16);
+ data += 16;
+ RADEON_COPY_MT(buffer + 12, data, 16);
+ data += 16;
+ buffer += 16;
+ }
+ }
+ } else {
+ if (tex_width >= 32) {
+ /* Texture image width is larger than the minimum, so we
+ * can upload it directly.
+ */
+ RADEON_COPY_MT(buffer, data,
+ (int)(dwords * sizeof(u32)));
+ } 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++) {
+ RADEON_COPY_MT(buffer, data, tex_width);
+ buffer += 8;
+ data += tex_width;
+ }
+ }
+ }
+
+#undef RADEON_COPY_MT
+ byte_offset = (image->y & ~2047) * blit_width;
+ buf->file_priv = file_priv;
+ buf->used = size;
+ offset = dev_priv->gart_buffers_offset + buf->offset;
+ BEGIN_RING(9);
+ 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 |
+ (format << 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);
+ OUT_RING((spitch << 22) | (offset >> 10));
+ OUT_RING((texpitch << 22) | ((tex->offset >> 10) + (byte_offset >> 10)));
+ OUT_RING(0);
+ OUT_RING((image->x << 16) | (image->y % 2048));
+ OUT_RING((image->width << 16) | height);
+ RADEON_WAIT_UNTIL_2D_IDLE();
+ ADVANCE_RING();
+ COMMIT_RING();
+
+ radeon_cp_discard_buffer(dev, buf);
+
+ /* Update the input parameters for next time */
+ image->y += height;
+ image->height -= height;
+ image->data = (const u8 __user *)image->data + size;
+ } while (image->height > 0);
+
+ /* 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();
+ COMMIT_RING();
+
+ return 0;
+}
+
+static void radeon_cp_dispatch_stipple(struct drm_device * dev, u32 * stipple)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG("\n");
+
+ BEGIN_RING(35);
+
+ OUT_RING(CP_PACKET0(RADEON_RE_STIPPLE_ADDR, 0));
+ OUT_RING(0x00000000);
+
+ OUT_RING(CP_PACKET0_TABLE(RADEON_RE_STIPPLE_DATA, 31));
+ for (i = 0; i < 32; i++) {
+ OUT_RING(stipple[i]);
+ }
+
+ ADVANCE_RING();
+}
+
+static void radeon_apply_surface_regs(int surf_index,
+ drm_radeon_private_t *dev_priv)
+{
+ if (!dev_priv->mmio)
+ return;
+
+ radeon_do_cp_idle(dev_priv);
+
+ RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * surf_index,
+ dev_priv->surfaces[surf_index].flags);
+ RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16 * surf_index,
+ dev_priv->surfaces[surf_index].lower);
+ RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16 * surf_index,
+ dev_priv->surfaces[surf_index].upper);
+}
+
+/* Allocates a virtual surface
+ * doesn't always allocate a real surface, will stretch an existing
+ * surface when possible.
+ *
+ * Note that refcount can be at most 2, since during a free refcount=3
+ * might mean we have to allocate a new surface which might not always
+ * be available.
+ * For example : we allocate three contigous surfaces ABC. If B is
+ * freed, we suddenly need two surfaces to store A and C, which might
+ * not always be available.
+ */
+static int alloc_surface(drm_radeon_surface_alloc_t *new,
+ drm_radeon_private_t *dev_priv,
+ struct drm_file *file_priv)
+{
+ struct radeon_virt_surface *s;
+ int i;
+ int virt_surface_index;
+ uint32_t new_upper, new_lower;
+
+ new_lower = new->address;
+ new_upper = new_lower + new->size - 1;
+
+ /* sanity check */
+ if ((new_lower >= new_upper) || (new->flags == 0) || (new->size == 0) ||
+ ((new_upper & RADEON_SURF_ADDRESS_FIXED_MASK) !=
+ RADEON_SURF_ADDRESS_FIXED_MASK)
+ || ((new_lower & RADEON_SURF_ADDRESS_FIXED_MASK) != 0))
+ return -1;
+
+ /* make sure there is no overlap with existing surfaces */
+ for (i = 0; i < RADEON_MAX_SURFACES; i++) {
+ if ((dev_priv->surfaces[i].refcount != 0) &&
+ (((new_lower >= dev_priv->surfaces[i].lower) &&
+ (new_lower < dev_priv->surfaces[i].upper)) ||
+ ((new_lower < dev_priv->surfaces[i].lower) &&
+ (new_upper > dev_priv->surfaces[i].lower)))) {
+ return -1;
+ }
+ }
+
+ /* find a virtual surface */
+ for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++)
+ if (dev_priv->virt_surfaces[i].file_priv == 0)
+ break;
+ if (i == 2 * RADEON_MAX_SURFACES) {
+ return -1;
+ }
+ virt_surface_index = i;
+
+ /* try to reuse an existing surface */
+ for (i = 0; i < RADEON_MAX_SURFACES; i++) {
+ /* extend before */
+ if ((dev_priv->surfaces[i].refcount == 1) &&
+ (new->flags == dev_priv->surfaces[i].flags) &&
+ (new_upper + 1 == dev_priv->surfaces[i].lower)) {
+ s = &(dev_priv->virt_surfaces[virt_surface_index]);
+ s->surface_index = i;
+ s->lower = new_lower;
+ s->upper = new_upper;
+ s->flags = new->flags;
+ s->file_priv = file_priv;
+ dev_priv->surfaces[i].refcount++;
+ dev_priv->surfaces[i].lower = s->lower;
+ radeon_apply_surface_regs(s->surface_index, dev_priv);
+ return virt_surface_index;
+ }
+
+ /* extend after */
+ if ((dev_priv->surfaces[i].refcount == 1) &&
+ (new->flags == dev_priv->surfaces[i].flags) &&
+ (new_lower == dev_priv->surfaces[i].upper + 1)) {
+ s = &(dev_priv->virt_surfaces[virt_surface_index]);
+ s->surface_index = i;
+ s->lower = new_lower;
+ s->upper = new_upper;
+ s->flags = new->flags;
+ s->file_priv = file_priv;
+ dev_priv->surfaces[i].refcount++;
+ dev_priv->surfaces[i].upper = s->upper;
+ radeon_apply_surface_regs(s->surface_index, dev_priv);
+ return virt_surface_index;
+ }
+ }
+
+ /* okay, we need a new one */
+ for (i = 0; i < RADEON_MAX_SURFACES; i++) {
+ if (dev_priv->surfaces[i].refcount == 0) {
+ s = &(dev_priv->virt_surfaces[virt_surface_index]);
+ s->surface_index = i;
+ s->lower = new_lower;
+ s->upper = new_upper;
+ s->flags = new->flags;
+ s->file_priv = file_priv;
+ dev_priv->surfaces[i].refcount = 1;
+ dev_priv->surfaces[i].lower = s->lower;
+ dev_priv->surfaces[i].upper = s->upper;
+ dev_priv->surfaces[i].flags = s->flags;
+ radeon_apply_surface_regs(s->surface_index, dev_priv);
+ return virt_surface_index;
+ }
+ }
+
+ /* we didn't find anything */
+ return -1;
+}
+
+static int free_surface(struct drm_file *file_priv,
+ drm_radeon_private_t * dev_priv,
+ int lower)
+{
+ struct radeon_virt_surface *s;
+ int i;
+ /* find the virtual surface */
+ for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
+ s = &(dev_priv->virt_surfaces[i]);
+ if (s->file_priv) {
+ if ((lower == s->lower) && (file_priv == s->file_priv))
+ {
+ if (dev_priv->surfaces[s->surface_index].
+ lower == s->lower)
+ dev_priv->surfaces[s->surface_index].
+ lower = s->upper;
+
+ if (dev_priv->surfaces[s->surface_index].
+ upper == s->upper)
+ dev_priv->surfaces[s->surface_index].
+ upper = s->lower;
+
+ dev_priv->surfaces[s->surface_index].refcount--;
+ if (dev_priv->surfaces[s->surface_index].
+ refcount == 0)
+ dev_priv->surfaces[s->surface_index].
+ flags = 0;
+ s->file_priv = NULL;
+ radeon_apply_surface_regs(s->surface_index,
+ dev_priv);
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+
+static void radeon_surfaces_release(struct drm_file *file_priv,
+ drm_radeon_private_t * dev_priv)
+{
+ int i;
+ for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
+ if (dev_priv->virt_surfaces[i].file_priv == file_priv)
+ free_surface(file_priv, dev_priv,
+ dev_priv->virt_surfaces[i].lower);
+ }
+}
+
+/* ================================================================
+ * IOCTL functions
+ */
+static int radeon_surface_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_surface_alloc_t *alloc = data;
+
+ if (alloc_surface(alloc, dev_priv, file_priv) == -1)
+ return -EINVAL;
+ else
+ return 0;
+}
+
+static int radeon_surface_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_surface_free_t *memfree = data;
+
+ if (free_surface(file_priv, dev_priv, memfree->address))
+ return -EINVAL;
+ else
+ return 0;
+}
+
+static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ drm_radeon_clear_t *clear = data;
+ drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
+ DRM_DEBUG("\n");
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+
+ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
+ sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
+
+ if (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
+ sarea_priv->nbox * sizeof(depth_boxes[0])))
+ return -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(struct drm_device * dev)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ RING_LOCALS;
+
+ DRM_DEBUG("\n");
+
+ BEGIN_RING(6);
+ RADEON_WAIT_UNTIL_3D_IDLE();
+ OUT_RING(CP_PACKET0(RADEON_CRTC_OFFSET_CNTL, 0));
+ OUT_RING(RADEON_READ(RADEON_CRTC_OFFSET_CNTL) |
+ RADEON_CRTC_OFFSET_FLIP_CNTL);
+ OUT_RING(CP_PACKET0(RADEON_CRTC2_OFFSET_CNTL, 0));
+ OUT_RING(RADEON_READ(RADEON_CRTC2_OFFSET_CNTL) |
+ RADEON_CRTC_OFFSET_FLIP_CNTL);
+ ADVANCE_RING();
+
+ dev_priv->page_flipping = 1;
+
+ if (dev_priv->sarea_priv->pfCurrentPage != 1)
+ dev_priv->sarea_priv->pfCurrentPage = 0;
+
+ return 0;
+}
+
+/* Swapping and flipping are different operations, need different ioctls.
+ * They can & should be intermixed to support multiple 3d windows.
+ */
+static int radeon_cp_flip(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG("\n");
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ 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;
+}
+
+static int radeon_cp_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ DRM_DEBUG("\n");
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ 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;
+}
+
+static int radeon_cp_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
+ drm_radeon_vertex_t *vertex = data;
+ drm_radeon_tcl_prim_t prim;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ 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 -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->file_priv != file_priv) {
+ DRM_ERROR("process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->file_priv);
+ 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) {
+ if (radeon_emit_state(dev_priv, file_priv,
+ &sarea_priv->context_state,
+ sarea_priv->tex_state,
+ sarea_priv->dirty)) {
+ DRM_ERROR("radeon_emit_state failed\n");
+ return -EINVAL;
+ }
+
+ 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);
+ }
+
+ if (vertex->discard) {
+ radeon_cp_discard_buffer(dev, buf);
+ }
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int radeon_cp_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
+ drm_radeon_indices_t *elts = data;
+ drm_radeon_tcl_prim_t prim;
+ int count;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DRM_DEBUG("pid=%d index=%d start=%d end=%d discard=%d\n",
+ DRM_CURRENTPID, elts->idx, elts->start, elts->end,
+ elts->discard);
+
+ if (elts->idx < 0 || elts->idx >= dma->buf_count) {
+ DRM_ERROR("buffer index %d (of %d max)\n",
+ elts->idx, dma->buf_count - 1);
+ return -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->file_priv != file_priv) {
+ DRM_ERROR("process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->file_priv);
+ 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) {
+ if (radeon_emit_state(dev_priv, file_priv,
+ &sarea_priv->context_state,
+ sarea_priv->tex_state,
+ sarea_priv->dirty)) {
+ DRM_ERROR("radeon_emit_state failed\n");
+ return -EINVAL;
+ }
+
+ 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);
+ if (elts->discard) {
+ radeon_cp_discard_buffer(dev, buf);
+ }
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int radeon_cp_texture(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_texture_t *tex = data;
+ drm_radeon_tex_image_t image;
+ int ret;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ if (tex->image == NULL) {
+ DRM_ERROR("null texture image!\n");
+ return -EINVAL;
+ }
+
+ if (DRM_COPY_FROM_USER(&image,
+ (drm_radeon_tex_image_t __user *) 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, file_priv, tex, &image);
+
+ return ret;
+}
+
+static int radeon_cp_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_stipple_t *stipple = data;
+ u32 mask[32];
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ if (DRM_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;
+}
+
+static int radeon_cp_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
+ drm_radeon_indirect_t *indirect = data;
+ RING_LOCALS;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DRM_DEBUG("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->file_priv != file_priv) {
+ DRM_ERROR("process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->file_priv);
+ 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;
+}
+
+static int radeon_cp_vertex2(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
+ drm_radeon_vertex2_t *vertex = data;
+ int i;
+ unsigned char laststate;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DRM_DEBUG("pid=%d index=%d discard=%d\n",
+ DRM_CURRENTPID, vertex->idx, vertex->discard);
+
+ if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
+ DRM_ERROR("buffer index %d (of %d max)\n",
+ vertex->idx, dma->buf_count - 1);
+ return -EINVAL;
+ }
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+ VB_AGE_TEST_WITH_RETURN(dev_priv);
+
+ buf = dma->buflist[vertex->idx];
+
+ if (buf->file_priv != file_priv) {
+ DRM_ERROR("process %d using buffer owned by %p\n",
+ DRM_CURRENTPID, buf->file_priv);
+ 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 (DRM_COPY_FROM_USER(&prim, &vertex->prim[i], sizeof(prim)))
+ return -EFAULT;
+
+ if (prim.stateidx != laststate) {
+ drm_radeon_state_t state;
+
+ if (DRM_COPY_FROM_USER(&state,
+ &vertex->state[prim.stateidx],
+ sizeof(state)))
+ return -EFAULT;
+
+ if (radeon_emit_state2(dev_priv, file_priv, &state)) {
+ DRM_ERROR("radeon_emit_state2 failed\n");
+ return -EINVAL;
+ }
+
+ 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);
+ } else {
+ tclprim.numverts = prim.numverts;
+ tclprim.offset = 0; /* not used */
+
+ radeon_cp_dispatch_vertex(dev, buf, &tclprim);
+ }
+
+ 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,
+ struct drm_file *file_priv,
+ drm_radeon_cmd_header_t header,
+ drm_radeon_kcmd_buffer_t *cmdbuf)
+{
+ int id = (int)header.packet.packet_id;
+ int sz, reg;
+ int *data = (int *)cmdbuf->buf;
+ RING_LOCALS;
+
+ if (id >= RADEON_MAX_STATE_PACKETS)
+ return -EINVAL;
+
+ sz = packet[id].len;
+ reg = packet[id].start;
+
+ if (sz * sizeof(int) > cmdbuf->bufsz) {
+ DRM_ERROR("Packet size provided larger than data provided\n");
+ return -EINVAL;
+ }
+
+ if (radeon_check_and_fixup_packets(dev_priv, file_priv, id, data)) {
+ DRM_ERROR("Packet verification failed\n");
+ return -EINVAL;
+ }
+
+ BEGIN_RING(sz + 1);
+ OUT_RING(CP_PACKET0(reg, (sz - 1)));
+ OUT_RING_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_kcmd_buffer_t *cmdbuf)
+{
+ int sz = header.scalars.count;
+ 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_TABLE(cmdbuf->buf, 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_kcmd_buffer_t *cmdbuf)
+{
+ int sz = header.scalars.count;
+ int start = ((unsigned int)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_TABLE(cmdbuf->buf, 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_kcmd_buffer_t *cmdbuf)
+{
+ int sz = header.vectors.count;
+ int start = header.vectors.offset;
+ int stride = header.vectors.stride;
+ RING_LOCALS;
+
+ BEGIN_RING(5 + sz);
+ OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
+ 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_TABLE(cmdbuf->buf, sz);
+ ADVANCE_RING();
+
+ cmdbuf->buf += sz * sizeof(int);
+ cmdbuf->bufsz -= sz * sizeof(int);
+ return 0;
+}
+
+static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv,
+ drm_radeon_cmd_header_t header,
+ drm_radeon_kcmd_buffer_t *cmdbuf)
+{
+ int sz = header.veclinear.count * 4;
+ int start = header.veclinear.addr_lo | (header.veclinear.addr_hi << 8);
+ RING_LOCALS;
+
+ if (!sz)
+ return 0;
+ if (sz * 4 > cmdbuf->bufsz)
+ return -EINVAL;
+
+ BEGIN_RING(5 + sz);
+ OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
+ OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
+ OUT_RING(start | (1 << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
+ OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
+ OUT_RING_TABLE(cmdbuf->buf, sz);
+ ADVANCE_RING();
+
+ cmdbuf->buf += sz * sizeof(int);
+ cmdbuf->bufsz -= sz * sizeof(int);
+ return 0;
+}
+
+static int radeon_emit_packet3(struct drm_device * dev,
+ struct drm_file *file_priv,
+ drm_radeon_kcmd_buffer_t *cmdbuf)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ unsigned int cmdsz;
+ int ret;
+ RING_LOCALS;
+
+ DRM_DEBUG("\n");
+
+ if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
+ cmdbuf, &cmdsz))) {
+ DRM_ERROR("Packet verification failed\n");
+ return ret;
+ }
+
+ BEGIN_RING(cmdsz);
+ OUT_RING_TABLE(cmdbuf->buf, cmdsz);
+ ADVANCE_RING();
+
+ cmdbuf->buf += cmdsz * 4;
+ cmdbuf->bufsz -= cmdsz * 4;
+ return 0;
+}
+
+static int radeon_emit_packet3_cliprect(struct drm_device *dev,
+ struct drm_file *file_priv,
+ drm_radeon_kcmd_buffer_t *cmdbuf,
+ int orig_nbox)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_clip_rect box;
+ unsigned int cmdsz;
+ int ret;
+ struct drm_clip_rect __user *boxes = cmdbuf->boxes;
+ int i = 0;
+ RING_LOCALS;
+
+ DRM_DEBUG("\n");
+
+ if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
+ cmdbuf, &cmdsz))) {
+ DRM_ERROR("Packet verification failed\n");
+ return ret;
+ }
+
+ if (!orig_nbox)
+ goto out;
+
+ do {
+ if (i < cmdbuf->nbox) {
+ if (DRM_COPY_FROM_USER(&box, &boxes[i], sizeof(box)))
+ return -EFAULT;
+ /* FIXME The second and subsequent times round
+ * this loop, send a WAIT_UNTIL_3D_IDLE before
+ * calling emit_clip_rect(). This fixes a
+ * lockup on fast machines when sending
+ * several cliprects with a cmdbuf, as when
+ * waving a 2D window over a 3D
+ * window. Something in the commands from user
+ * space seems to hang the card when they're
+ * sent several times in a row. That would be
+ * the correct place to fix it but this works
+ * around it until I can figure that out - Tim
+ * Smith */
+ if (i) {
+ BEGIN_RING(2);
+ RADEON_WAIT_UNTIL_3D_IDLE();
+ ADVANCE_RING();
+ }
+ radeon_emit_clip_rect(dev_priv, &box);
+ }
+
+ BEGIN_RING(cmdsz);
+ OUT_RING_TABLE(cmdbuf->buf, cmdsz);
+ ADVANCE_RING();
+
+ } while (++i < cmdbuf->nbox);
+ if (cmdbuf->nbox == 1)
+ cmdbuf->nbox = 0;
+
+ out:
+ cmdbuf->buf += cmdsz * 4;
+ cmdbuf->bufsz -= cmdsz * 4;
+ return 0;
+}
+
+static int radeon_emit_wait(struct drm_device * dev, int flags)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ RING_LOCALS;
+
+ DRM_DEBUG("%x\n", flags);
+ switch (flags) {
+ case RADEON_WAIT_2D:
+ BEGIN_RING(2);
+ RADEON_WAIT_UNTIL_2D_IDLE();
+ ADVANCE_RING();
+ break;
+ case RADEON_WAIT_3D:
+ BEGIN_RING(2);
+ RADEON_WAIT_UNTIL_3D_IDLE();
+ ADVANCE_RING();
+ break;
+ case RADEON_WAIT_2D | RADEON_WAIT_3D:
+ BEGIN_RING(2);
+ RADEON_WAIT_UNTIL_IDLE();
+ ADVANCE_RING();
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf = NULL;
+ int idx;
+ drm_radeon_kcmd_buffer_t *cmdbuf = data;
+ drm_radeon_cmd_header_t header;
+ int orig_nbox, orig_bufsz;
+ char *kbuf = NULL;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+ VB_AGE_TEST_WITH_RETURN(dev_priv);
+
+ if (cmdbuf->bufsz > 64 * 1024 || cmdbuf->bufsz < 0) {
+ return -EINVAL;
+ }
+
+ /* Allocate an in-kernel area and copy in the cmdbuf. Do this to avoid
+ * races between checking values and using those values in other code,
+ * and simply to avoid a lot of function calls to copy in data.
+ */
+ orig_bufsz = cmdbuf->bufsz;
+ if (orig_bufsz != 0) {
+ kbuf = drm_alloc(cmdbuf->bufsz, DRM_MEM_DRIVER);
+ if (kbuf == NULL)
+ return -ENOMEM;
+ if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf->buf,
+ cmdbuf->bufsz)) {
+ drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
+ return -EFAULT;
+ }
+ cmdbuf->buf = kbuf;
+ }
+
+ orig_nbox = cmdbuf->nbox;
+
+ if (dev_priv->microcode_version == UCODE_R300) {
+ int temp;
+ temp = r300_do_cp_cmdbuf(dev, file_priv, cmdbuf);
+
+ if (orig_bufsz != 0)
+ drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
+
+ return temp;
+ }
+
+ /* microcode_version != r300 */
+ while (cmdbuf->bufsz >= sizeof(header)) {
+
+ header.i = *(int *)cmdbuf->buf;
+ 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, file_priv, header, cmdbuf)) {
+ DRM_ERROR("radeon_emit_packets failed\n");
+ goto err;
+ }
+ 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");
+ goto err;
+ }
+ 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");
+ goto err;
+ }
+ 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);
+ goto err;
+ }
+
+ buf = dma->buflist[idx];
+ if (buf->file_priv != file_priv || buf->pending) {
+ DRM_ERROR("bad buffer %p %p %d\n",
+ buf->file_priv, file_priv,
+ buf->pending);
+ goto err;
+ }
+
+ radeon_cp_discard_buffer(dev, buf);
+ break;
+
+ case RADEON_CMD_PACKET3:
+ DRM_DEBUG("RADEON_CMD_PACKET3\n");
+ if (radeon_emit_packet3(dev, file_priv, cmdbuf)) {
+ DRM_ERROR("radeon_emit_packet3 failed\n");
+ goto err;
+ }
+ break;
+
+ case RADEON_CMD_PACKET3_CLIP:
+ DRM_DEBUG("RADEON_CMD_PACKET3_CLIP\n");
+ if (radeon_emit_packet3_cliprect
+ (dev, file_priv, cmdbuf, orig_nbox)) {
+ DRM_ERROR("radeon_emit_packet3_clip failed\n");
+ goto err;
+ }
+ 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");
+ goto err;
+ }
+ break;
+
+ case RADEON_CMD_WAIT:
+ DRM_DEBUG("RADEON_CMD_WAIT\n");
+ if (radeon_emit_wait(dev, header.wait.flags)) {
+ DRM_ERROR("radeon_emit_wait failed\n");
+ goto err;
+ }
+ break;
+ case RADEON_CMD_VECLINEAR:
+ DRM_DEBUG("RADEON_CMD_VECLINEAR\n");
+ if (radeon_emit_veclinear(dev_priv, header, cmdbuf)) {
+ DRM_ERROR("radeon_emit_veclinear failed\n");
+ goto err;
+ }
+ break;
+
+ default:
+ DRM_ERROR("bad cmd_type %d at %p\n",
+ header.header.cmd_type,
+ cmdbuf->buf - sizeof(header));
+ goto err;
+ }
+ }
+
+ if (orig_bufsz != 0)
+ drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
+
+ DRM_DEBUG("DONE\n");
+ COMMIT_RING();
+ return 0;
+
+ err:
+ if (orig_bufsz != 0)
+ drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
+ return -EINVAL;
+}
+
+static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_getparam_t *param = data;
+ int value;
+
+ DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
+
+ switch (param->param) {
+ case RADEON_PARAM_GART_BUFFER_OFFSET:
+ value = dev_priv->gart_buffers_offset;
+ break;
+ case RADEON_PARAM_LAST_FRAME:
+ dev_priv->stats.last_frame_reads++;
+ value = GET_SCRATCH(0);
+ break;
+ case RADEON_PARAM_LAST_DISPATCH:
+ value = GET_SCRATCH(1);
+ break;
+ case RADEON_PARAM_LAST_CLEAR:
+ dev_priv->stats.last_clear_reads++;
+ value = GET_SCRATCH(2);
+ break;
+ case RADEON_PARAM_IRQ_NR:
+ value = dev->irq;
+ break;
+ case RADEON_PARAM_GART_BASE:
+ value = dev_priv->gart_vm_start;
+ break;
+ case RADEON_PARAM_REGISTER_HANDLE:
+ value = dev_priv->mmio->offset;
+ break;
+ case RADEON_PARAM_STATUS_HANDLE:
+ value = dev_priv->ring_rptr_offset;
+ break;
+#if BITS_PER_LONG == 32
+ /*
+ * This ioctl() doesn't work on 64-bit platforms because hw_lock is a
+ * pointer which can't fit into an int-sized variable. According to
+ * Michel Dänzer, the ioctl() is only used on embedded platforms, so
+ * not supporting it shouldn't be a problem. If the same functionality
+ * is needed on 64-bit platforms, a new ioctl() would have to be added,
+ * so backwards-compatibility for the embedded platforms can be
+ * maintained. --davidm 4-Feb-2004.
+ */
+ case RADEON_PARAM_SAREA_HANDLE:
+ /* The lock is the first dword in the sarea. */
+ value = (long)dev->lock.hw_lock;
+ break;
+#endif
+ case RADEON_PARAM_GART_TEX_HANDLE:
+ value = dev_priv->gart_textures_offset;
+ break;
+ case RADEON_PARAM_SCRATCH_OFFSET:
+ if (!dev_priv->writeback_works)
+ return -EINVAL;
+ value = RADEON_SCRATCH_REG_OFFSET;
+ break;
+ case RADEON_PARAM_CARD_TYPE:
+ if (dev_priv->flags & RADEON_IS_PCIE)
+ value = RADEON_CARD_PCIE;
+ else if (dev_priv->flags & RADEON_IS_AGP)
+ value = RADEON_CARD_AGP;
+ else
+ value = RADEON_CARD_PCI;
+ break;
+ case RADEON_PARAM_VBLANK_CRTC:
+ value = radeon_vblank_crtc_get(dev);
+ break;
+ case RADEON_PARAM_FB_LOCATION:
+ value = radeon_read_fb_location(dev_priv);
+ break;
+ case RADEON_PARAM_NUM_GB_PIPES:
+ value = dev_priv->num_gb_pipes;
+ break;
+ default:
+ DRM_DEBUG("Invalid parameter %d\n", param->param);
+ return -EINVAL;
+ }
+
+ if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) {
+ DRM_ERROR("copy_to_user\n");
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int radeon_cp_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ drm_radeon_setparam_t *sp = data;
+ struct drm_radeon_driver_file_fields *radeon_priv;
+
+ switch (sp->param) {
+ case RADEON_SETPARAM_FB_LOCATION:
+ radeon_priv = file_priv->driver_priv;
+ radeon_priv->radeon_fb_delta = dev_priv->fb_location -
+ sp->value;
+ break;
+ case RADEON_SETPARAM_SWITCH_TILING:
+ if (sp->value == 0) {
+ DRM_DEBUG("color tiling disabled\n");
+ dev_priv->front_pitch_offset &= ~RADEON_DST_TILE_MACRO;
+ dev_priv->back_pitch_offset &= ~RADEON_DST_TILE_MACRO;
+ dev_priv->sarea_priv->tiling_enabled = 0;
+ } else if (sp->value == 1) {
+ DRM_DEBUG("color tiling enabled\n");
+ dev_priv->front_pitch_offset |= RADEON_DST_TILE_MACRO;
+ dev_priv->back_pitch_offset |= RADEON_DST_TILE_MACRO;
+ dev_priv->sarea_priv->tiling_enabled = 1;
+ }
+ break;
+ case RADEON_SETPARAM_PCIGART_LOCATION:
+ dev_priv->pcigart_offset = sp->value;
+ dev_priv->pcigart_offset_set = 1;
+ break;
+ case RADEON_SETPARAM_NEW_MEMMAP:
+ dev_priv->new_memmap = sp->value;
+ break;
+ case RADEON_SETPARAM_PCIGART_TABLE_SIZE:
+ dev_priv->gart_info.table_size = sp->value;
+ if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE)
+ dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
+ break;
+ case RADEON_SETPARAM_VBLANK_CRTC:
+ return radeon_vblank_crtc_set(dev, sp->value);
+ break;
+ default:
+ DRM_DEBUG("Invalid parameter %d\n", sp->param);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* When a client dies:
+ * - Check for and clean up flipped page state
+ * - Free any alloced GART memory.
+ * - Free any alloced radeon surfaces.
+ *
+ * DRM infrastructure takes care of reclaiming dma buffers.
+ */
+void radeon_driver_preclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+ if (dev->dev_private) {
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ dev_priv->page_flipping = 0;
+ radeon_mem_release(file_priv, dev_priv->gart_heap);
+ radeon_mem_release(file_priv, dev_priv->fb_heap);
+ radeon_surfaces_release(file_priv, dev_priv);
+ }
+}
+
+void radeon_driver_lastclose(struct drm_device *dev)
+{
+ if (dev->dev_private) {
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ if (dev_priv->sarea_priv &&
+ dev_priv->sarea_priv->pfCurrentPage != 0)
+ radeon_cp_dispatch_flip(dev);
+ }
+
+ radeon_do_release(dev);
+}
+
+int radeon_driver_open(struct drm_device *dev, struct drm_file *file_priv)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_radeon_driver_file_fields *radeon_priv;
+
+ DRM_DEBUG("\n");
+ radeon_priv =
+ (struct drm_radeon_driver_file_fields *)
+ drm_alloc(sizeof(*radeon_priv), DRM_MEM_FILES);
+
+ if (!radeon_priv)
+ return -ENOMEM;
+
+ file_priv->driver_priv = radeon_priv;
+
+ if (dev_priv)
+ radeon_priv->radeon_fb_delta = dev_priv->fb_location;
+ else
+ radeon_priv->radeon_fb_delta = 0;
+ return 0;
+}
+
+void radeon_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct drm_radeon_driver_file_fields *radeon_priv =
+ file_priv->driver_priv;
+
+ drm_free(radeon_priv, sizeof(*radeon_priv), DRM_MEM_FILES);
+}
+
+struct drm_ioctl_desc radeon_ioctls[] = {
+ DRM_IOCTL_DEF(DRM_RADEON_CP_INIT, radeon_cp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_RADEON_CP_START, radeon_cp_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_RADEON_CP_STOP, radeon_cp_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_RADEON_CP_RESET, radeon_cp_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_RADEON_CP_IDLE, radeon_cp_idle, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_CP_RESUME, radeon_cp_resume, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_RESET, radeon_engine_reset, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_FULLSCREEN, radeon_fullscreen, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_SWAP, radeon_cp_swap, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_CLEAR, radeon_cp_clear, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_VERTEX, radeon_cp_vertex, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_INDICES, radeon_cp_indices, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_TEXTURE, radeon_cp_texture, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_STIPPLE, radeon_cp_stipple, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_INDIRECT, radeon_cp_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_RADEON_VERTEX2, radeon_cp_vertex2, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_CMDBUF, radeon_cp_cmdbuf, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_GETPARAM, radeon_cp_getparam, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_FLIP, radeon_cp_flip, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_ALLOC, radeon_mem_alloc, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_FREE, radeon_mem_free, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_INIT_HEAP, radeon_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_RADEON_IRQ_EMIT, radeon_irq_emit, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_IRQ_WAIT, radeon_irq_wait, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, radeon_cp_setparam, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free, DRM_AUTH)
+};
+
+int radeon_max_ioctl = DRM_ARRAY_SIZE(radeon_ioctls);
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