drivers/gpu/drm/radeon/r200.c - kernel/msm-4.19 - Gitiles

 /*
  * Copyright 2008 Advanced Micro Devices, Inc.
  * Copyright 2008 Red Hat Inc.
  * Copyright 2009 Jerome Glisse.
  *
  * 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 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
  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Dave Airlie
  *          Alex Deucher
  *          Jerome Glisse
  */
 #include "drmP.h"
 #include "drm.h"
 #include "radeon_drm.h"
 #include "radeon_reg.h"
 #include "radeon.h"

 #include "r200_reg_safe.h"

 #include "r100_track.h"

 static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
 {
 	int vtx_size, i;
 	vtx_size = 2;

 	if (vtx_fmt_0 & R200_VTX_Z0)
 		vtx_size++;
 	if (vtx_fmt_0 & R200_VTX_W0)
 		vtx_size++;
 	/* blend weight */
 	if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
 		vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
 	if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
 		vtx_size++;
 	if (vtx_fmt_0 & R200_VTX_N0)
 		vtx_size += 3;
 	if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
 		vtx_size++;
 	if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
 		vtx_size++;
 	if (vtx_fmt_0 & R200_VTX_SHININESS_0)
 		vtx_size++;
 	if (vtx_fmt_0 & R200_VTX_SHININESS_1)
 		vtx_size++;
 	for (i = 0; i < 8; i++) {
 		int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
 		switch (color_size) {
 		case 0: break;
 		case 1: vtx_size++; break;
 		case 2: vtx_size += 3; break;
 		case 3: vtx_size += 4; break;
 		}
 	}
 	if (vtx_fmt_0 & R200_VTX_XY1)
 		vtx_size += 2;
 	if (vtx_fmt_0 & R200_VTX_Z1)
 		vtx_size++;
 	if (vtx_fmt_0 & R200_VTX_W1)
 		vtx_size++;
 	if (vtx_fmt_0 & R200_VTX_N1)
 		vtx_size += 3;
 	return vtx_size;
 }

 static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
 {
 	int vtx_size, i, tex_size;
 	vtx_size = 0;
 	for (i = 0; i < 6; i++) {
 		tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
 		if (tex_size > 4)
 			continue;
 		vtx_size += tex_size;
 	}
 	return vtx_size;
 }

 int r200_packet0_check(struct radeon_cs_parser *p,
 		       struct radeon_cs_packet *pkt,
 		       unsigned idx, unsigned reg)
 {
 	struct radeon_cs_reloc *reloc;
 	struct r100_cs_track *track;
 	volatile uint32_t *ib;
 	uint32_t tmp;
 	int r;
 	int i;
 	int face;
 	u32 tile_flags = 0;
 	u32 idx_value;

 	ib = p->ib->ptr;
 	track = (struct r100_cs_track *)p->track;
 	idx_value = radeon_get_ib_value(p, idx);
 	switch (reg) {
 	case RADEON_CRTC_GUI_TRIG_VLINE:
 		r = r100_cs_packet_parse_vline(p);
 		if (r) {
 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 				  idx, reg);
 			r100_cs_dump_packet(p, pkt);
 			return r;
 		}
 		break;
 		/* FIXME: only allow PACKET3 blit? easier to check for out of
 		 * range access */
 	case RADEON_DST_PITCH_OFFSET:
 	case RADEON_SRC_PITCH_OFFSET:
 		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 		if (r)
 			return r;
 		break;
 	case RADEON_RB3D_DEPTHOFFSET:
 		r = r100_cs_packet_next_reloc(p, &reloc);
 		if (r) {
 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 				  idx, reg);
 			r100_cs_dump_packet(p, pkt);
 			return r;
 		}
 		track->zb.robj = reloc->robj;
 		track->zb.offset = idx_value;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case RADEON_RB3D_COLOROFFSET:
 		r = r100_cs_packet_next_reloc(p, &reloc);
 		if (r) {
 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 				  idx, reg);
 			r100_cs_dump_packet(p, pkt);
 			return r;
 		}
 		track->cb[0].robj = reloc->robj;
 		track->cb[0].offset = idx_value;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case R200_PP_TXOFFSET_0:
 	case R200_PP_TXOFFSET_1:
 	case R200_PP_TXOFFSET_2:
 	case R200_PP_TXOFFSET_3:
 	case R200_PP_TXOFFSET_4:
 	case R200_PP_TXOFFSET_5:
 		i = (reg - R200_PP_TXOFFSET_0) / 24;
 		r = r100_cs_packet_next_reloc(p, &reloc);
 		if (r) {
 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 				  idx, reg);
 			r100_cs_dump_packet(p, pkt);
 			return r;
 		}
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[i].robj = reloc->robj;
 		break;
 	case R200_PP_CUBIC_OFFSET_F1_0:
 	case R200_PP_CUBIC_OFFSET_F2_0:
 	case R200_PP_CUBIC_OFFSET_F3_0:
 	case R200_PP_CUBIC_OFFSET_F4_0:
 	case R200_PP_CUBIC_OFFSET_F5_0:
 	case R200_PP_CUBIC_OFFSET_F1_1:
 	case R200_PP_CUBIC_OFFSET_F2_1:
 	case R200_PP_CUBIC_OFFSET_F3_1:
 	case R200_PP_CUBIC_OFFSET_F4_1:
 	case R200_PP_CUBIC_OFFSET_F5_1:
 	case R200_PP_CUBIC_OFFSET_F1_2:
 	case R200_PP_CUBIC_OFFSET_F2_2:
 	case R200_PP_CUBIC_OFFSET_F3_2:
 	case R200_PP_CUBIC_OFFSET_F4_2:
 	case R200_PP_CUBIC_OFFSET_F5_2:
 	case R200_PP_CUBIC_OFFSET_F1_3:
 	case R200_PP_CUBIC_OFFSET_F2_3:
 	case R200_PP_CUBIC_OFFSET_F3_3:
 	case R200_PP_CUBIC_OFFSET_F4_3:
 	case R200_PP_CUBIC_OFFSET_F5_3:
 	case R200_PP_CUBIC_OFFSET_F1_4:
 	case R200_PP_CUBIC_OFFSET_F2_4:
 	case R200_PP_CUBIC_OFFSET_F3_4:
 	case R200_PP_CUBIC_OFFSET_F4_4:
 	case R200_PP_CUBIC_OFFSET_F5_4:
 	case R200_PP_CUBIC_OFFSET_F1_5:
 	case R200_PP_CUBIC_OFFSET_F2_5:
 	case R200_PP_CUBIC_OFFSET_F3_5:
 	case R200_PP_CUBIC_OFFSET_F4_5:
 	case R200_PP_CUBIC_OFFSET_F5_5:
 		i = (reg - R200_PP_TXOFFSET_0) / 24;
 		face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
 		r = r100_cs_packet_next_reloc(p, &reloc);
 		if (r) {
 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 				  idx, reg);
 			r100_cs_dump_packet(p, pkt);
 			return r;
 		}
 		track->textures[i].cube_info[face - 1].offset = idx_value;
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		track->textures[i].cube_info[face - 1].robj = reloc->robj;
 		break;
 	case RADEON_RE_WIDTH_HEIGHT:
 		track->maxy = ((idx_value >> 16) & 0x7FF);
 		break;
 	case RADEON_RB3D_COLORPITCH:
 		r = r100_cs_packet_next_reloc(p, &reloc);
 		if (r) {
 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 				  idx, reg);
 			r100_cs_dump_packet(p, pkt);
 			return r;
 		}

 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 			tile_flags |= RADEON_COLOR_TILE_ENABLE;
 		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 			tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;

 		tmp = idx_value & ~(0x7 << 16);
 		tmp |= tile_flags;
 		ib[idx] = tmp;

 		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
 		break;
 	case RADEON_RB3D_DEPTHPITCH:
 		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
 		break;
 	case RADEON_RB3D_CNTL:
 		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
 		case 7:
 		case 8:
 		case 9:
 		case 11:
 		case 12:
 			track->cb[0].cpp = 1;
 			break;
 		case 3:
 		case 4:
 		case 15:
 			track->cb[0].cpp = 2;
 			break;
 		case 6:
 			track->cb[0].cpp = 4;
 			break;
 		default:
 			DRM_ERROR("Invalid color buffer format (%d) !\n",
 				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
 			return -EINVAL;
 		}
 		if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
 			DRM_ERROR("No support for depth xy offset in kms\n");
 			return -EINVAL;
 		}

 		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
 		break;
 	case RADEON_RB3D_ZSTENCILCNTL:
 		switch (idx_value & 0xf) {
 		case 0:
 			track->zb.cpp = 2;
 			break;
 		case 2:
 		case 3:
 		case 4:
 		case 5:
 		case 9:
 		case 11:
 			track->zb.cpp = 4;
 			break;
 		default:
 			break;
 		}
 		break;
 	case RADEON_RB3D_ZPASS_ADDR:
 		r = r100_cs_packet_next_reloc(p, &reloc);
 		if (r) {
 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 				  idx, reg);
 			r100_cs_dump_packet(p, pkt);
 			return r;
 		}
 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 		break;
 	case RADEON_PP_CNTL:
 		{
 			uint32_t temp = idx_value >> 4;
 			for (i = 0; i < track->num_texture; i++)
 				track->textures[i].enabled = !!(temp & (1 << i));
 		}
 		break;
 	case RADEON_SE_VF_CNTL:
 		track->vap_vf_cntl = idx_value;
 		break;
 	case 0x210c:
 		/* VAP_VF_MAX_VTX_INDX */
 		track->max_indx = idx_value & 0x00FFFFFFUL;
 		break;
 	case R200_SE_VTX_FMT_0:
 		track->vtx_size = r200_get_vtx_size_0(idx_value);
 		break;
 	case R200_SE_VTX_FMT_1:
 		track->vtx_size += r200_get_vtx_size_1(idx_value);
 		break;
 	case R200_PP_TXSIZE_0:
 	case R200_PP_TXSIZE_1:
 	case R200_PP_TXSIZE_2:
 	case R200_PP_TXSIZE_3:
 	case R200_PP_TXSIZE_4:
 	case R200_PP_TXSIZE_5:
 		i = (reg - R200_PP_TXSIZE_0) / 32;
 		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
 		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
 		break;
 	case R200_PP_TXPITCH_0:
 	case R200_PP_TXPITCH_1:
 	case R200_PP_TXPITCH_2:
 	case R200_PP_TXPITCH_3:
 	case R200_PP_TXPITCH_4:
 	case R200_PP_TXPITCH_5:
 		i = (reg - R200_PP_TXPITCH_0) / 32;
 		track->textures[i].pitch = idx_value + 32;
 		break;
 	case R200_PP_TXFILTER_0:
 	case R200_PP_TXFILTER_1:
 	case R200_PP_TXFILTER_2:
 	case R200_PP_TXFILTER_3:
 	case R200_PP_TXFILTER_4:
 	case R200_PP_TXFILTER_5:
 		i = (reg - R200_PP_TXFILTER_0) / 32;
 		track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
 						 >> R200_MAX_MIP_LEVEL_SHIFT);
 		tmp = (idx_value >> 23) & 0x7;
 		if (tmp == 2 || tmp == 6)
 			track->textures[i].roundup_w = false;
 		tmp = (idx_value >> 27) & 0x7;
 		if (tmp == 2 || tmp == 6)
 			track->textures[i].roundup_h = false;
 		break;
 	case R200_PP_TXMULTI_CTL_0:
 	case R200_PP_TXMULTI_CTL_1:
 	case R200_PP_TXMULTI_CTL_2:
 	case R200_PP_TXMULTI_CTL_3:
 	case R200_PP_TXMULTI_CTL_4:
 	case R200_PP_TXMULTI_CTL_5:
 		i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
 		break;
 	case R200_PP_TXFORMAT_X_0:
 	case R200_PP_TXFORMAT_X_1:
 	case R200_PP_TXFORMAT_X_2:
 	case R200_PP_TXFORMAT_X_3:
 	case R200_PP_TXFORMAT_X_4:
 	case R200_PP_TXFORMAT_X_5:
 		i = (reg - R200_PP_TXFORMAT_X_0) / 32;
 		track->textures[i].txdepth = idx_value & 0x7;
 		tmp = (idx_value >> 16) & 0x3;
 		/* 2D, 3D, CUBE */
 		switch (tmp) {
 		case 0:
 		case 5:
 		case 6:
 		case 7:
 			/* 1D/2D */
 			track->textures[i].tex_coord_type = 0;
 			break;
 		case 1:
 			/* CUBE */
 			track->textures[i].tex_coord_type = 2;
 			break;
 		case 2:
 			/* 3D */
 			track->textures[i].tex_coord_type = 1;
 			break;
 		}
 		break;
 	case R200_PP_TXFORMAT_0:
 	case R200_PP_TXFORMAT_1:
 	case R200_PP_TXFORMAT_2:
 	case R200_PP_TXFORMAT_3:
 	case R200_PP_TXFORMAT_4:
 	case R200_PP_TXFORMAT_5:
 		i = (reg - R200_PP_TXFORMAT_0) / 32;
 		if (idx_value & R200_TXFORMAT_NON_POWER2) {
 			track->textures[i].use_pitch = 1;
 		} else {
 			track->textures[i].use_pitch = 0;
 			track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
 			track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
 		}
 		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
 		case R200_TXFORMAT_I8:
 		case R200_TXFORMAT_RGB332:
 		case R200_TXFORMAT_Y8:
 			track->textures[i].cpp = 1;
 			break;
 		case R200_TXFORMAT_AI88:
 		case R200_TXFORMAT_ARGB1555:
 		case R200_TXFORMAT_RGB565:
 		case R200_TXFORMAT_ARGB4444:
 		case R200_TXFORMAT_VYUY422:
 		case R200_TXFORMAT_YVYU422:
 		case R200_TXFORMAT_LDVDU655:
 		case R200_TXFORMAT_DVDU88:
 		case R200_TXFORMAT_AVYU4444:
 			track->textures[i].cpp = 2;
 			break;
 		case R200_TXFORMAT_ARGB8888:
 		case R200_TXFORMAT_RGBA8888:
 		case R200_TXFORMAT_ABGR8888:
 		case R200_TXFORMAT_BGR111110:
 		case R200_TXFORMAT_LDVDU8888:
 			track->textures[i].cpp = 4;
 			break;
 		case R200_TXFORMAT_DXT1:
 			track->textures[i].cpp = 1;
 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 			break;
 		case R200_TXFORMAT_DXT23:
 		case R200_TXFORMAT_DXT45:
 			track->textures[i].cpp = 1;
 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 			break;
 		}
 		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
 		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
 		break;
 	case R200_PP_CUBIC_FACES_0:
 	case R200_PP_CUBIC_FACES_1:
 	case R200_PP_CUBIC_FACES_2:
 	case R200_PP_CUBIC_FACES_3:
 	case R200_PP_CUBIC_FACES_4:
 	case R200_PP_CUBIC_FACES_5:
 		tmp = idx_value;
 		i = (reg - R200_PP_CUBIC_FACES_0) / 32;
 		for (face = 0; face < 4; face++) {
 			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
 			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
 		}
 		break;
 	default:
 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
 		       reg, idx);
 		return -EINVAL;
 	}
 	return 0;
 }

 void r200_set_safe_registers(struct radeon_device *rdev)
 {
 	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
 	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
 }
	/*
	* Copyright 2008 Advanced Micro Devices, Inc.
	* Copyright 2008 Red Hat Inc.
	* Copyright 2009 Jerome Glisse.
	*
	* 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 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
	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Dave Airlie
	* Alex Deucher
	* Jerome Glisse
	*/
	#include "drmP.h"
	#include "drm.h"
	#include "radeon_drm.h"
	#include "radeon_reg.h"
	#include "radeon.h"

	#include "r200_reg_safe.h"

	#include "r100_track.h"

	static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
	{
	int vtx_size, i;
	vtx_size = 2;

	if (vtx_fmt_0 & R200_VTX_Z0)
	vtx_size++;
	if (vtx_fmt_0 & R200_VTX_W0)
	vtx_size++;
	/* blend weight */
	if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
	vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
	if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
	vtx_size++;
	if (vtx_fmt_0 & R200_VTX_N0)
	vtx_size += 3;
	if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
	vtx_size++;
	if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
	vtx_size++;
	if (vtx_fmt_0 & R200_VTX_SHININESS_0)
	vtx_size++;
	if (vtx_fmt_0 & R200_VTX_SHININESS_1)
	vtx_size++;
	for (i = 0; i < 8; i++) {
	int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
	switch (color_size) {
	case 0: break;
	case 1: vtx_size++; break;
	case 2: vtx_size += 3; break;
	case 3: vtx_size += 4; break;
	}
	}
	if (vtx_fmt_0 & R200_VTX_XY1)
	vtx_size += 2;
	if (vtx_fmt_0 & R200_VTX_Z1)
	vtx_size++;
	if (vtx_fmt_0 & R200_VTX_W1)
	vtx_size++;
	if (vtx_fmt_0 & R200_VTX_N1)
	vtx_size += 3;
	return vtx_size;
	}

	static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
	{
	int vtx_size, i, tex_size;
	vtx_size = 0;
	for (i = 0; i < 6; i++) {
	tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
	if (tex_size > 4)
	continue;
	vtx_size += tex_size;
	}
	return vtx_size;
	}

	int r200_packet0_check(struct radeon_cs_parser *p,
	struct radeon_cs_packet *pkt,
	unsigned idx, unsigned reg)
	{
	struct radeon_cs_reloc *reloc;
	struct r100_cs_track *track;
	volatile uint32_t *ib;
	uint32_t tmp;
	int r;
	int i;
	int face;
	u32 tile_flags = 0;
	u32 idx_value;

	ib = p->ib->ptr;
	track = (struct r100_cs_track *)p->track;
	idx_value = radeon_get_ib_value(p, idx);
	switch (reg) {
	case RADEON_CRTC_GUI_TRIG_VLINE:
	r = r100_cs_packet_parse_vline(p);
	if (r) {
	DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
	idx, reg);
	r100_cs_dump_packet(p, pkt);
	return r;
	}
	break;
	/* FIXME: only allow PACKET3 blit? easier to check for out of
	* range access */
	case RADEON_DST_PITCH_OFFSET:
	case RADEON_SRC_PITCH_OFFSET:
	r = r100_reloc_pitch_offset(p, pkt, idx, reg);
	if (r)
	return r;
	break;
	case RADEON_RB3D_DEPTHOFFSET:
	r = r100_cs_packet_next_reloc(p, &reloc);
	if (r) {
	DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
	idx, reg);
	r100_cs_dump_packet(p, pkt);
	return r;
	}
	track->zb.robj = reloc->robj;
	track->zb.offset = idx_value;
	ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
	break;
	case RADEON_RB3D_COLOROFFSET:
	r = r100_cs_packet_next_reloc(p, &reloc);
	if (r) {
	DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
	idx, reg);
	r100_cs_dump_packet(p, pkt);
	return r;
	}
	track->cb[0].robj = reloc->robj;
	track->cb[0].offset = idx_value;
	ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
	break;
	case R200_PP_TXOFFSET_0:
	case R200_PP_TXOFFSET_1:
	case R200_PP_TXOFFSET_2:
	case R200_PP_TXOFFSET_3:
	case R200_PP_TXOFFSET_4:
	case R200_PP_TXOFFSET_5:
	i = (reg - R200_PP_TXOFFSET_0) / 24;
	r = r100_cs_packet_next_reloc(p, &reloc);
	if (r) {
	DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
	idx, reg);
	r100_cs_dump_packet(p, pkt);
	return r;
	}
	ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
	track->textures[i].robj = reloc->robj;
	break;
	case R200_PP_CUBIC_OFFSET_F1_0:
	case R200_PP_CUBIC_OFFSET_F2_0:
	case R200_PP_CUBIC_OFFSET_F3_0:
	case R200_PP_CUBIC_OFFSET_F4_0:
	case R200_PP_CUBIC_OFFSET_F5_0:
	case R200_PP_CUBIC_OFFSET_F1_1:
	case R200_PP_CUBIC_OFFSET_F2_1:
	case R200_PP_CUBIC_OFFSET_F3_1:
	case R200_PP_CUBIC_OFFSET_F4_1:
	case R200_PP_CUBIC_OFFSET_F5_1:
	case R200_PP_CUBIC_OFFSET_F1_2:
	case R200_PP_CUBIC_OFFSET_F2_2:
	case R200_PP_CUBIC_OFFSET_F3_2:
	case R200_PP_CUBIC_OFFSET_F4_2:
	case R200_PP_CUBIC_OFFSET_F5_2:
	case R200_PP_CUBIC_OFFSET_F1_3:
	case R200_PP_CUBIC_OFFSET_F2_3:
	case R200_PP_CUBIC_OFFSET_F3_3:
	case R200_PP_CUBIC_OFFSET_F4_3:
	case R200_PP_CUBIC_OFFSET_F5_3:
	case R200_PP_CUBIC_OFFSET_F1_4:
	case R200_PP_CUBIC_OFFSET_F2_4:
	case R200_PP_CUBIC_OFFSET_F3_4:
	case R200_PP_CUBIC_OFFSET_F4_4:
	case R200_PP_CUBIC_OFFSET_F5_4:
	case R200_PP_CUBIC_OFFSET_F1_5:
	case R200_PP_CUBIC_OFFSET_F2_5:
	case R200_PP_CUBIC_OFFSET_F3_5:
	case R200_PP_CUBIC_OFFSET_F4_5:
	case R200_PP_CUBIC_OFFSET_F5_5:
	i = (reg - R200_PP_TXOFFSET_0) / 24;
	face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
	r = r100_cs_packet_next_reloc(p, &reloc);
	if (r) {
	DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
	idx, reg);
	r100_cs_dump_packet(p, pkt);
	return r;
	}
	track->textures[i].cube_info[face - 1].offset = idx_value;
	ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
	track->textures[i].cube_info[face - 1].robj = reloc->robj;
	break;
	case RADEON_RE_WIDTH_HEIGHT:
	track->maxy = ((idx_value >> 16) & 0x7FF);
	break;
	case RADEON_RB3D_COLORPITCH:
	r = r100_cs_packet_next_reloc(p, &reloc);
	if (r) {
	DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
	idx, reg);
	r100_cs_dump_packet(p, pkt);
	return r;
	}

	if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
	tile_flags \|= RADEON_COLOR_TILE_ENABLE;
	if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
	tile_flags \|= RADEON_COLOR_MICROTILE_ENABLE;

	tmp = idx_value & ~(0x7 << 16);
	tmp \|= tile_flags;
	ib[idx] = tmp;

	track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
	break;
	case RADEON_RB3D_DEPTHPITCH:
	track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
	break;
	case RADEON_RB3D_CNTL:
	switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
	case 7:
	case 8:
	case 9:
	case 11:
	case 12:
	track->cb[0].cpp = 1;
	break;
	case 3:
	case 4:
	case 15:
	track->cb[0].cpp = 2;
	break;
	case 6:
	track->cb[0].cpp = 4;
	break;
	default:
	DRM_ERROR("Invalid color buffer format (%d) !\n",
	((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
	return -EINVAL;
	}
	if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
	DRM_ERROR("No support for depth xy offset in kms\n");
	return -EINVAL;
	}

	track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
	break;
	case RADEON_RB3D_ZSTENCILCNTL:
	switch (idx_value & 0xf) {
	case 0:
	track->zb.cpp = 2;
	break;
	case 2:
	case 3:
	case 4:
	case 5:
	case 9:
	case 11:
	track->zb.cpp = 4;
	break;
	default:
	break;
	}
	break;
	case RADEON_RB3D_ZPASS_ADDR:
	r = r100_cs_packet_next_reloc(p, &reloc);
	if (r) {
	DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
	idx, reg);
	r100_cs_dump_packet(p, pkt);
	return r;
	}
	ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
	break;
	case RADEON_PP_CNTL:
	{
	uint32_t temp = idx_value >> 4;
	for (i = 0; i < track->num_texture; i++)
	track->textures[i].enabled = !!(temp & (1 << i));
	}
	break;
	case RADEON_SE_VF_CNTL:
	track->vap_vf_cntl = idx_value;
	break;
	case 0x210c:
	/* VAP_VF_MAX_VTX_INDX */
	track->max_indx = idx_value & 0x00FFFFFFUL;
	break;
	case R200_SE_VTX_FMT_0:
	track->vtx_size = r200_get_vtx_size_0(idx_value);
	break;
	case R200_SE_VTX_FMT_1:
	track->vtx_size += r200_get_vtx_size_1(idx_value);
	break;
	case R200_PP_TXSIZE_0:
	case R200_PP_TXSIZE_1:
	case R200_PP_TXSIZE_2:
	case R200_PP_TXSIZE_3:
	case R200_PP_TXSIZE_4:
	case R200_PP_TXSIZE_5:
	i = (reg - R200_PP_TXSIZE_0) / 32;
	track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
	track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
	break;
	case R200_PP_TXPITCH_0:
	case R200_PP_TXPITCH_1:
	case R200_PP_TXPITCH_2:
	case R200_PP_TXPITCH_3:
	case R200_PP_TXPITCH_4:
	case R200_PP_TXPITCH_5:
	i = (reg - R200_PP_TXPITCH_0) / 32;
	track->textures[i].pitch = idx_value + 32;
	break;
	case R200_PP_TXFILTER_0:
	case R200_PP_TXFILTER_1:
	case R200_PP_TXFILTER_2:
	case R200_PP_TXFILTER_3:
	case R200_PP_TXFILTER_4:
	case R200_PP_TXFILTER_5:
	i = (reg - R200_PP_TXFILTER_0) / 32;
	track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
	>> R200_MAX_MIP_LEVEL_SHIFT);
	tmp = (idx_value >> 23) & 0x7;
	if (tmp == 2 \|\| tmp == 6)
	track->textures[i].roundup_w = false;
	tmp = (idx_value >> 27) & 0x7;
	if (tmp == 2 \|\| tmp == 6)
	track->textures[i].roundup_h = false;
	break;
	case R200_PP_TXMULTI_CTL_0:
	case R200_PP_TXMULTI_CTL_1:
	case R200_PP_TXMULTI_CTL_2:
	case R200_PP_TXMULTI_CTL_3:
	case R200_PP_TXMULTI_CTL_4:
	case R200_PP_TXMULTI_CTL_5:
	i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
	break;
	case R200_PP_TXFORMAT_X_0:
	case R200_PP_TXFORMAT_X_1:
	case R200_PP_TXFORMAT_X_2:
	case R200_PP_TXFORMAT_X_3:
	case R200_PP_TXFORMAT_X_4:
	case R200_PP_TXFORMAT_X_5:
	i = (reg - R200_PP_TXFORMAT_X_0) / 32;
	track->textures[i].txdepth = idx_value & 0x7;
	tmp = (idx_value >> 16) & 0x3;
	/* 2D, 3D, CUBE */
	switch (tmp) {
	case 0:
	case 5:
	case 6:
	case 7:
	/* 1D/2D */
	track->textures[i].tex_coord_type = 0;
	break;
	case 1:
	/* CUBE */
	track->textures[i].tex_coord_type = 2;
	break;
	case 2:
	/* 3D */
	track->textures[i].tex_coord_type = 1;
	break;
	}
	break;
	case R200_PP_TXFORMAT_0:
	case R200_PP_TXFORMAT_1:
	case R200_PP_TXFORMAT_2:
	case R200_PP_TXFORMAT_3:
	case R200_PP_TXFORMAT_4:
	case R200_PP_TXFORMAT_5:
	i = (reg - R200_PP_TXFORMAT_0) / 32;
	if (idx_value & R200_TXFORMAT_NON_POWER2) {
	track->textures[i].use_pitch = 1;
	} else {
	track->textures[i].use_pitch = 0;
	track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
	track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
	}
	switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
	case R200_TXFORMAT_I8:
	case R200_TXFORMAT_RGB332:
	case R200_TXFORMAT_Y8:
	track->textures[i].cpp = 1;
	break;
	case R200_TXFORMAT_AI88:
	case R200_TXFORMAT_ARGB1555:
	case R200_TXFORMAT_RGB565:
	case R200_TXFORMAT_ARGB4444:
	case R200_TXFORMAT_VYUY422:
	case R200_TXFORMAT_YVYU422:
	case R200_TXFORMAT_LDVDU655:
	case R200_TXFORMAT_DVDU88:
	case R200_TXFORMAT_AVYU4444:
	track->textures[i].cpp = 2;
	break;
	case R200_TXFORMAT_ARGB8888:
	case R200_TXFORMAT_RGBA8888:
	case R200_TXFORMAT_ABGR8888:
	case R200_TXFORMAT_BGR111110:
	case R200_TXFORMAT_LDVDU8888:
	track->textures[i].cpp = 4;
	break;
	case R200_TXFORMAT_DXT1:
	track->textures[i].cpp = 1;
	track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
	break;
	case R200_TXFORMAT_DXT23:
	case R200_TXFORMAT_DXT45:
	track->textures[i].cpp = 1;
	track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
	break;
	}
	track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
	track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
	break;
	case R200_PP_CUBIC_FACES_0:
	case R200_PP_CUBIC_FACES_1:
	case R200_PP_CUBIC_FACES_2:
	case R200_PP_CUBIC_FACES_3:
	case R200_PP_CUBIC_FACES_4:
	case R200_PP_CUBIC_FACES_5:
	tmp = idx_value;
	i = (reg - R200_PP_CUBIC_FACES_0) / 32;
	for (face = 0; face < 4; face++) {
	track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
	track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
	}
	break;
	default:
	printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
	reg, idx);
	return -EINVAL;
	}
	return 0;
	}

	void r200_set_safe_registers(struct radeon_device *rdev)
	{
	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
	}