NetBSD-5.0.2/sys/dev/pci/drm/r128_state.c
/* $NetBSD: r128_state.c,v 1.6 2008/07/08 06:50:23 mrg Exp $ */
/* r128_state.c -- State support for r128 -*- linux-c -*-
* Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com
*/
/*-
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Gareth Hughes <gareth@valinux.com>
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: r128_state.c,v 1.6 2008/07/08 06:50:23 mrg Exp $");
/*
__FBSDID("$FreeBSD: src/sys/dev/drm/r128_state.c,v 1.13 2005/11/28 23:13:53 anholt Exp $");
*/
#include "drmP.h"
#include "drm.h"
#include "r128_drm.h"
#include "r128_drv.h"
/* ================================================================
* CCE hardware state programming functions
*/
static void r128_emit_clip_rects(drm_r128_private_t * dev_priv,
drm_clip_rect_t * boxes, int count)
{
u32 aux_sc_cntl = 0x00000000;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING((count < 3 ? count : 3) * 5 + 2);
if (count >= 1) {
OUT_RING(CCE_PACKET0(R128_AUX1_SC_LEFT, 3));
OUT_RING(boxes[0].x1);
OUT_RING(boxes[0].x2 - 1);
OUT_RING(boxes[0].y1);
OUT_RING(boxes[0].y2 - 1);
aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR);
}
if (count >= 2) {
OUT_RING(CCE_PACKET0(R128_AUX2_SC_LEFT, 3));
OUT_RING(boxes[1].x1);
OUT_RING(boxes[1].x2 - 1);
OUT_RING(boxes[1].y1);
OUT_RING(boxes[1].y2 - 1);
aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR);
}
if (count >= 3) {
OUT_RING(CCE_PACKET0(R128_AUX3_SC_LEFT, 3));
OUT_RING(boxes[2].x1);
OUT_RING(boxes[2].x2 - 1);
OUT_RING(boxes[2].y1);
OUT_RING(boxes[2].y2 - 1);
aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR);
}
OUT_RING(CCE_PACKET0(R128_AUX_SC_CNTL, 0));
OUT_RING(aux_sc_cntl);
ADVANCE_RING();
}
static __inline__ void r128_emit_core(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_SCALE_3D_CNTL, 0));
OUT_RING(ctx->scale_3d_cntl);
ADVANCE_RING();
}
static __inline__ void r128_emit_context(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING(13);
OUT_RING(CCE_PACKET0(R128_DST_PITCH_OFFSET_C, 11));
OUT_RING(ctx->dst_pitch_offset_c);
OUT_RING(ctx->dp_gui_master_cntl_c);
OUT_RING(ctx->sc_top_left_c);
OUT_RING(ctx->sc_bottom_right_c);
OUT_RING(ctx->z_offset_c);
OUT_RING(ctx->z_pitch_c);
OUT_RING(ctx->z_sten_cntl_c);
OUT_RING(ctx->tex_cntl_c);
OUT_RING(ctx->misc_3d_state_cntl_reg);
OUT_RING(ctx->texture_clr_cmp_clr_c);
OUT_RING(ctx->texture_clr_cmp_msk_c);
OUT_RING(ctx->fog_color_c);
ADVANCE_RING();
}
static __inline__ void r128_emit_setup(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING(3);
OUT_RING(CCE_PACKET1(R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP));
OUT_RING(ctx->setup_cntl);
OUT_RING(ctx->pm4_vc_fpu_setup);
ADVANCE_RING();
}
static __inline__ void r128_emit_masks(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING(5);
OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
OUT_RING(ctx->dp_write_mask);
OUT_RING(CCE_PACKET0(R128_STEN_REF_MASK_C, 1));
OUT_RING(ctx->sten_ref_mask_c);
OUT_RING(ctx->plane_3d_mask_c);
ADVANCE_RING();
}
static __inline__ void r128_emit_window(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_WINDOW_XY_OFFSET, 0));
OUT_RING(ctx->window_xy_offset);
ADVANCE_RING();
}
static __inline__ void r128_emit_tex0(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0];
int i;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING(7 + R128_MAX_TEXTURE_LEVELS);
OUT_RING(CCE_PACKET0(R128_PRIM_TEX_CNTL_C,
2 + R128_MAX_TEXTURE_LEVELS));
OUT_RING(tex->tex_cntl);
OUT_RING(tex->tex_combine_cntl);
OUT_RING(ctx->tex_size_pitch_c);
for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
OUT_RING(tex->tex_offset[i]);
}
OUT_RING(CCE_PACKET0(R128_CONSTANT_COLOR_C, 1));
OUT_RING(ctx->constant_color_c);
OUT_RING(tex->tex_border_color);
ADVANCE_RING();
}
static __inline__ void r128_emit_tex1(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
int i;
RING_LOCALS;
DRM_DEBUG(" %s\n", __FUNCTION__);
BEGIN_RING(5 + R128_MAX_TEXTURE_LEVELS);
OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 1 + R128_MAX_TEXTURE_LEVELS));
OUT_RING(tex->tex_cntl);
OUT_RING(tex->tex_combine_cntl);
for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
OUT_RING(tex->tex_offset[i]);
}
OUT_RING(CCE_PACKET0(R128_SEC_TEXTURE_BORDER_COLOR_C, 0));
OUT_RING(tex->tex_border_color);
ADVANCE_RING();
}
static __inline__ void r128_emit_state(drm_r128_private_t * dev_priv)
{
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
unsigned int dirty = sarea_priv->dirty;
DRM_DEBUG("%s: dirty=0x%08x\n", __FUNCTION__, dirty);
if (dirty & R128_UPLOAD_CORE) {
r128_emit_core(dev_priv);
sarea_priv->dirty &= ~R128_UPLOAD_CORE;
}
if (dirty & R128_UPLOAD_CONTEXT) {
r128_emit_context(dev_priv);
sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
}
if (dirty & R128_UPLOAD_SETUP) {
r128_emit_setup(dev_priv);
sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
}
if (dirty & R128_UPLOAD_MASKS) {
r128_emit_masks(dev_priv);
sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
}
if (dirty & R128_UPLOAD_WINDOW) {
r128_emit_window(dev_priv);
sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
}
if (dirty & R128_UPLOAD_TEX0) {
r128_emit_tex0(dev_priv);
sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
}
if (dirty & R128_UPLOAD_TEX1) {
r128_emit_tex1(dev_priv);
sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
}
/* Turn off the texture cache flushing */
sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
}
#if R128_PERFORMANCE_BOXES
/* ================================================================
* Performance monitoring functions
*/
static void r128_clear_box(drm_r128_private_t * dev_priv,
int x, int y, int w, int h, int r, int g, int b)
{
u32 pitch, offset;
u32 fb_bpp, color;
RING_LOCALS;
switch (dev_priv->fb_bpp) {
case 16:
fb_bpp = R128_GMC_DST_16BPP;
color = (((r & 0xf8) << 8) |
((g & 0xfc) << 3) | ((b & 0xf8) >> 3));
break;
case 24:
fb_bpp = R128_GMC_DST_24BPP;
color = ((r << 16) | (g << 8) | b);
break;
case 32:
fb_bpp = R128_GMC_DST_32BPP;
color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
break;
default:
return;
}
offset = dev_priv->back_offset;
pitch = dev_priv->back_pitch >> 3;
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
fb_bpp |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS);
OUT_RING((pitch << 21) | (offset >> 5));
OUT_RING(color);
OUT_RING((x << 16) | y);
OUT_RING((w << 16) | h);
ADVANCE_RING();
}
static void r128_cce_performance_boxes(drm_r128_private_t * dev_priv)
{
if (atomic_read(&dev_priv->idle_count) == 0) {
r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
} else {
atomic_set(&dev_priv->idle_count, 0);
}
}
#endif
/* ================================================================
* CCE command dispatch functions
*/
static void r128_print_dirty(const char *msg, unsigned int flags)
{
DRM_INFO("%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
msg,
flags,
(flags & R128_UPLOAD_CORE) ? "core, " : "",
(flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
(flags & R128_UPLOAD_SETUP) ? "setup, " : "",
(flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
(flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
(flags & R128_UPLOAD_MASKS) ? "masks, " : "",
(flags & R128_UPLOAD_WINDOW) ? "window, " : "",
(flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
(flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "");
}
static void r128_cce_dispatch_clear(drm_device_t * dev,
drm_r128_clear_t * clear)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int nbox = sarea_priv->nbox;
drm_clip_rect_t *pbox = sarea_priv->boxes;
unsigned int flags = clear->flags;
int i;
RING_LOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
if (dev_priv->page_flipping && dev_priv->current_page == 1) {
unsigned int tmp = flags;
flags &= ~(R128_FRONT | R128_BACK);
if (tmp & R128_FRONT)
flags |= R128_BACK;
if (tmp & R128_BACK)
flags |= R128_FRONT;
}
for (i = 0; i < nbox; i++) {
int x = pbox[i].x1;
int y = pbox[i].y1;
int w = pbox[i].x2 - x;
int h = pbox[i].y2 - y;
DRM_DEBUG("dispatch clear %d,%d-%d,%d flags 0x%x\n",
pbox[i].x1, pbox[i].y1, pbox[i].x2,
pbox[i].y2, flags);
if (flags & (R128_FRONT | R128_BACK)) {
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
OUT_RING(clear->color_mask);
ADVANCE_RING();
}
if (flags & R128_FRONT) {
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->color_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS);
OUT_RING(dev_priv->front_pitch_offset_c);
OUT_RING(clear->clear_color);
OUT_RING((x << 16) | y);
OUT_RING((w << 16) | h);
ADVANCE_RING();
}
if (flags & R128_BACK) {
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->color_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS);
OUT_RING(dev_priv->back_pitch_offset_c);
OUT_RING(clear->clear_color);
OUT_RING((x << 16) | y);
OUT_RING((w << 16) | h);
ADVANCE_RING();
}
if (flags & R128_DEPTH) {
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
OUT_RING(dev_priv->depth_pitch_offset_c);
OUT_RING(clear->clear_depth);
OUT_RING((x << 16) | y);
OUT_RING((w << 16) | h);
ADVANCE_RING();
}
}
}
static void r128_cce_dispatch_swap(drm_device_t * dev)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int nbox = sarea_priv->nbox;
drm_clip_rect_t *pbox = sarea_priv->boxes;
int i;
RING_LOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
#if R128_PERFORMANCE_BOXES
/* Do some trivial performance monitoring...
*/
r128_cce_performance_boxes(dev_priv);
#endif
for (i = 0; i < nbox; i++) {
int x = pbox[i].x1;
int y = pbox[i].y1;
int w = pbox[i].x2 - x;
int h = pbox[i].y2 - y;
BEGIN_RING(7);
OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(dev_priv->color_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_MEMORY |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
/* Make this work even if front & back are flipped:
*/
if (dev_priv->current_page == 0) {
OUT_RING(dev_priv->back_pitch_offset_c);
OUT_RING(dev_priv->front_pitch_offset_c);
} else {
OUT_RING(dev_priv->front_pitch_offset_c);
OUT_RING(dev_priv->back_pitch_offset_c);
}
OUT_RING((x << 16) | y);
OUT_RING((x << 16) | y);
OUT_RING((w << 16) | h);
ADVANCE_RING();
}
/* Increment the frame counter. The client-side 3D driver must
* throttle the framerate by waiting for this value before
* performing the swapbuffer ioctl.
*/
dev_priv->sarea_priv->last_frame++;
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
OUT_RING(dev_priv->sarea_priv->last_frame);
ADVANCE_RING();
}
static void r128_cce_dispatch_flip(drm_device_t * dev)
{
drm_r128_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
__FUNCTION__,
dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage);
#if R128_PERFORMANCE_BOXES
/* Do some trivial performance monitoring...
*/
r128_cce_performance_boxes(dev_priv);
#endif
BEGIN_RING(4);
R128_WAIT_UNTIL_PAGE_FLIPPED();
OUT_RING(CCE_PACKET0(R128_CRTC_OFFSET, 0));
if (dev_priv->current_page == 0) {
OUT_RING(dev_priv->back_offset);
} else {
OUT_RING(dev_priv->front_offset);
}
ADVANCE_RING();
/* Increment the frame counter. The client-side 3D driver must
* throttle the framerate by waiting for this value before
* performing the swapbuffer ioctl.
*/
dev_priv->sarea_priv->last_frame++;
dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page =
1 - dev_priv->current_page;
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
OUT_RING(dev_priv->sarea_priv->last_frame);
ADVANCE_RING();
}
static void r128_cce_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_buf_priv_t *buf_priv = buf->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int format = sarea_priv->vc_format;
int offset = buf->bus_address;
int size = buf->used;
int prim = buf_priv->prim;
int i = 0;
RING_LOCALS;
DRM_DEBUG("buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox);
if (0)
r128_print_dirty("dispatch_vertex", sarea_priv->dirty);
if (buf->used) {
buf_priv->dispatched = 1;
if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
r128_emit_state(dev_priv);
}
do {
/* Emit the next set of up to three cliprects */
if (i < sarea_priv->nbox) {
r128_emit_clip_rects(dev_priv,
&sarea_priv->boxes[i],
sarea_priv->nbox - i);
}
/* Emit the vertex buffer rendering commands */
BEGIN_RING(5);
OUT_RING(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, 3));
OUT_RING(offset);
OUT_RING(size);
OUT_RING(format);
OUT_RING(prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
(size << R128_CCE_VC_CNTL_NUM_SHIFT));
ADVANCE_RING();
i += 3;
} while (i < sarea_priv->nbox);
}
if (buf_priv->discard) {
buf_priv->age = dev_priv->sarea_priv->last_dispatch;
/* Emit the vertex buffer age */
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
OUT_RING(buf_priv->age);
ADVANCE_RING();
buf->pending = 1;
buf->used = 0;
/* FIXME: Check dispatched field */
buf_priv->dispatched = 0;
}
dev_priv->sarea_priv->last_dispatch++;
sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
sarea_priv->nbox = 0;
}
static void r128_cce_dispatch_indirect(drm_device_t * dev,
drm_buf_t * buf, int start, int end)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_buf_priv_t *buf_priv = buf->dev_private;
RING_LOCALS;
DRM_DEBUG("indirect: buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
if (start != end) {
int offset = buf->bus_address + start;
int dwords = (end - start + 3) / sizeof(u32);
/* Indirect buffer data must be an even number of
* dwords, so if we've been given an odd number we must
* pad the data with a Type-2 CCE packet.
*/
if (dwords & 1) {
u32 *data = (u32 *)
((char *)dev->agp_buffer_map->handle
+ buf->offset + start);
data[dwords++] = cpu_to_le32(R128_CCE_PACKET2);
}
buf_priv->dispatched = 1;
/* Fire off the indirect buffer */
BEGIN_RING(3);
OUT_RING(CCE_PACKET0(R128_PM4_IW_INDOFF, 1));
OUT_RING(offset);
OUT_RING(dwords);
ADVANCE_RING();
}
if (buf_priv->discard) {
buf_priv->age = dev_priv->sarea_priv->last_dispatch;
/* Emit the indirect buffer age */
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
OUT_RING(buf_priv->age);
ADVANCE_RING();
buf->pending = 1;
buf->used = 0;
/* FIXME: Check dispatched field */
buf_priv->dispatched = 0;
}
dev_priv->sarea_priv->last_dispatch++;
}
static void r128_cce_dispatch_indices(drm_device_t * dev,
drm_buf_t * buf,
int start, int end, int count)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_buf_priv_t *buf_priv = buf->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
int format = sarea_priv->vc_format;
int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset;
int prim = buf_priv->prim;
u32 *data;
int dwords;
int i = 0;
RING_LOCALS;
DRM_DEBUG("indices: s=%d e=%d c=%d\n", start, end, count);
if (0)
r128_print_dirty("dispatch_indices", sarea_priv->dirty);
if (start != end) {
buf_priv->dispatched = 1;
if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
r128_emit_state(dev_priv);
}
dwords = (end - start + 3) / sizeof(u32);
data = (u32 *) ((char *)dev->agp_buffer_map->handle
+ buf->offset + start);
data[0] = cpu_to_le32(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM,
dwords - 2));
data[1] = cpu_to_le32(offset);
data[2] = cpu_to_le32(R128_MAX_VB_VERTS);
data[3] = cpu_to_le32(format);
data[4] = cpu_to_le32((prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
(count << 16)));
if (count & 0x1) {
#ifdef __LITTLE_ENDIAN
data[dwords - 1] &= 0x0000ffff;
#else
data[dwords - 1] &= 0xffff0000;
#endif
}
do {
/* Emit the next set of up to three cliprects */
if (i < sarea_priv->nbox) {
r128_emit_clip_rects(dev_priv,
&sarea_priv->boxes[i],
sarea_priv->nbox - i);
}
r128_cce_dispatch_indirect(dev, buf, start, end);
i += 3;
} while (i < sarea_priv->nbox);
}
if (buf_priv->discard) {
buf_priv->age = dev_priv->sarea_priv->last_dispatch;
/* Emit the vertex buffer age */
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
OUT_RING(buf_priv->age);
ADVANCE_RING();
buf->pending = 1;
/* FIXME: Check dispatched field */
buf_priv->dispatched = 0;
}
dev_priv->sarea_priv->last_dispatch++;
sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
sarea_priv->nbox = 0;
}
static int r128_cce_dispatch_blit(DRMFILE filp,
drm_device_t * dev, drm_r128_blit_t * blit)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
u32 *data;
int dword_shift, dwords;
RING_LOCALS;
DRM_DEBUG("\n");
/* The compiler won't optimize away a division by a variable,
* even if the only legal values are powers of two. Thus, we'll
* use a shift instead.
*/
switch (blit->format) {
case R128_DATATYPE_ARGB8888:
dword_shift = 0;
break;
case R128_DATATYPE_ARGB1555:
case R128_DATATYPE_RGB565:
case R128_DATATYPE_ARGB4444:
case R128_DATATYPE_YVYU422:
case R128_DATATYPE_VYUY422:
dword_shift = 1;
break;
case R128_DATATYPE_CI8:
case R128_DATATYPE_RGB8:
dword_shift = 2;
break;
default:
DRM_ERROR("invalid blit format %d\n", blit->format);
return DRM_ERR(EINVAL);
}
/* Flush the pixel cache, and mark the contents as Read Invalid.
* This ensures no pixel data gets mixed up with the texture
* data from the host data blit, otherwise part of the texture
* image may be corrupted.
*/
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
OUT_RING(R128_PC_RI_GUI | R128_PC_FLUSH_GUI);
ADVANCE_RING();
/* Dispatch the indirect buffer.
*/
buf = dma->buflist[blit->idx];
buf_priv = buf->dev_private;
if (buf->filp != filp) {
DRM_ERROR("process %d using buffer owned by %p\n",
DRM_CURRENTPID, buf->filp);
return DRM_ERR(EINVAL);
}
if (buf->pending) {
DRM_ERROR("sending pending buffer %d\n", blit->idx);
return DRM_ERR(EINVAL);
}
buf_priv->discard = 1;
dwords = (blit->width * blit->height) >> dword_shift;
data = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
data[0] = cpu_to_le32(CCE_PACKET3(R128_CNTL_HOSTDATA_BLT, dwords + 6));
data[1] = cpu_to_le32((R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(blit->format << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_HOST_DATA |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS));
data[2] = cpu_to_le32((blit->pitch << 21) | (blit->offset >> 5));
data[3] = cpu_to_le32(0xffffffff);
data[4] = cpu_to_le32(0xffffffff);
data[5] = cpu_to_le32((blit->y << 16) | blit->x);
data[6] = cpu_to_le32((blit->height << 16) | blit->width);
data[7] = cpu_to_le32(dwords);
buf->used = (dwords + 8) * sizeof(u32);
r128_cce_dispatch_indirect(dev, buf, 0, buf->used);
/* Flush the pixel cache after the blit completes. This ensures
* the texture data is written out to memory before rendering
* continues.
*/
BEGIN_RING(2);
OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
OUT_RING(R128_PC_FLUSH_GUI);
ADVANCE_RING();
return 0;
}
/* ================================================================
* Tiled depth buffer management
*
* FIXME: These should all set the destination write mask for when we
* have hardware stencil support.
*/
static int r128_cce_dispatch_write_span(drm_device_t * dev,
drm_r128_depth_t * depth)
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, x, y;
u32 *buffer;
u8 *mask;
int i, buffer_size, mask_size;
RING_LOCALS;
DRM_DEBUG("\n");
count = depth->n;
if (count > 4096 || count <= 0)
return DRM_ERR(EMSGSIZE);
if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
return DRM_ERR(EFAULT);
}
if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
return DRM_ERR(EFAULT);
}
buffer_size = depth->n * sizeof(u32);
buffer = drm_alloc(buffer_size, DRM_MEM_BUFS);
if (buffer == NULL)
return DRM_ERR(ENOMEM);
if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
mask_size = depth->n * sizeof(u8);
if (depth->mask) {
mask = drm_alloc(mask_size, DRM_MEM_BUFS);
if (mask == NULL) {
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
return DRM_ERR(ENOMEM);
}
if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
drm_free(mask, mask_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
for (i = 0; i < count; i++, x++) {
if (mask[i]) {
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS);
OUT_RING(dev_priv->depth_pitch_offset_c);
OUT_RING(buffer[i]);
OUT_RING((x << 16) | y);
OUT_RING((1 << 16) | 1);
ADVANCE_RING();
}
}
drm_free(mask, mask_size, DRM_MEM_BUFS);
} else {
for (i = 0; i < count; i++, x++) {
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS);
OUT_RING(dev_priv->depth_pitch_offset_c);
OUT_RING(buffer[i]);
OUT_RING((x << 16) | y);
OUT_RING((1 << 16) | 1);
ADVANCE_RING();
}
}
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
return 0;
}
static int r128_cce_dispatch_write_pixels(drm_device_t * dev,
drm_r128_depth_t * depth)
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, *x, *y;
u32 *buffer;
u8 *mask;
int i, xbuf_size, ybuf_size, buffer_size, mask_size;
RING_LOCALS;
DRM_DEBUG("\n");
count = depth->n;
if (count > 4096 || count <= 0)
return DRM_ERR(EMSGSIZE);
xbuf_size = count * sizeof(*x);
ybuf_size = count * sizeof(*y);
x = drm_alloc(xbuf_size, DRM_MEM_BUFS);
if (x == NULL) {
return DRM_ERR(ENOMEM);
}
y = drm_alloc(ybuf_size, DRM_MEM_BUFS);
if (y == NULL) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
return DRM_ERR(ENOMEM);
}
if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
if (DRM_COPY_FROM_USER(y, depth->y, xbuf_size)) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
buffer_size = depth->n * sizeof(u32);
buffer = drm_alloc(buffer_size, DRM_MEM_BUFS);
if (buffer == NULL) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
return DRM_ERR(ENOMEM);
}
if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
if (depth->mask) {
mask_size = depth->n * sizeof(u8);
mask = drm_alloc(mask_size, DRM_MEM_BUFS);
if (mask == NULL) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
return DRM_ERR(ENOMEM);
}
if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
drm_free(mask, mask_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
for (i = 0; i < count; i++) {
if (mask[i]) {
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS);
OUT_RING(dev_priv->depth_pitch_offset_c);
OUT_RING(buffer[i]);
OUT_RING((x[i] << 16) | y[i]);
OUT_RING((1 << 16) | 1);
ADVANCE_RING();
}
}
drm_free(mask, mask_size, DRM_MEM_BUFS);
} else {
for (i = 0; i < count; i++) {
BEGIN_RING(6);
OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_SOLID_COLOR |
(dev_priv->depth_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_P |
R128_GMC_CLR_CMP_CNTL_DIS |
R128_GMC_WR_MSK_DIS);
OUT_RING(dev_priv->depth_pitch_offset_c);
OUT_RING(buffer[i]);
OUT_RING((x[i] << 16) | y[i]);
OUT_RING((1 << 16) | 1);
ADVANCE_RING();
}
}
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
drm_free(buffer, buffer_size, DRM_MEM_BUFS);
return 0;
}
static int r128_cce_dispatch_read_span(drm_device_t * dev,
drm_r128_depth_t * depth)
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, x, y;
RING_LOCALS;
DRM_DEBUG("\n");
count = depth->n;
if (count > 4096 || count <= 0)
return DRM_ERR(EMSGSIZE);
if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
return DRM_ERR(EFAULT);
}
if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
return DRM_ERR(EFAULT);
}
BEGIN_RING(7);
OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(dev_priv->depth_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_MEMORY |
R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
OUT_RING(dev_priv->depth_pitch_offset_c);
OUT_RING(dev_priv->span_pitch_offset_c);
OUT_RING((x << 16) | y);
OUT_RING((0 << 16) | 0);
OUT_RING((count << 16) | 1);
ADVANCE_RING();
return 0;
}
static int r128_cce_dispatch_read_pixels(drm_device_t * dev,
drm_r128_depth_t * depth)
{
drm_r128_private_t *dev_priv = dev->dev_private;
int count, *x, *y;
int i, xbuf_size, ybuf_size;
RING_LOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
count = depth->n;
if (count > 4096 || count <= 0)
return DRM_ERR(EMSGSIZE);
if (count > dev_priv->depth_pitch) {
count = dev_priv->depth_pitch;
}
xbuf_size = count * sizeof(*x);
ybuf_size = count * sizeof(*y);
x = drm_alloc(xbuf_size, DRM_MEM_BUFS);
if (x == NULL) {
return DRM_ERR(ENOMEM);
}
y = drm_alloc(ybuf_size, DRM_MEM_BUFS);
if (y == NULL) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
return DRM_ERR(ENOMEM);
}
if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
if (DRM_COPY_FROM_USER(y, depth->y, ybuf_size)) {
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
return DRM_ERR(EFAULT);
}
for (i = 0; i < count; i++) {
BEGIN_RING(7);
OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
R128_GMC_DST_PITCH_OFFSET_CNTL |
R128_GMC_BRUSH_NONE |
(dev_priv->depth_fmt << 8) |
R128_GMC_SRC_DATATYPE_COLOR |
R128_ROP3_S |
R128_DP_SRC_SOURCE_MEMORY |
R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
OUT_RING(dev_priv->depth_pitch_offset_c);
OUT_RING(dev_priv->span_pitch_offset_c);
OUT_RING((x[i] << 16) | y[i]);
OUT_RING((i << 16) | 0);
OUT_RING((1 << 16) | 1);
ADVANCE_RING();
}
drm_free(x, xbuf_size, DRM_MEM_BUFS);
drm_free(y, ybuf_size, DRM_MEM_BUFS);
return 0;
}
/* ================================================================
* Polygon stipple
*/
static void r128_cce_dispatch_stipple(drm_device_t * dev, u32 * stipple)
{
drm_r128_private_t *dev_priv = dev->dev_private;
int i;
RING_LOCALS;
DRM_DEBUG("%s\n", __FUNCTION__);
BEGIN_RING(33);
OUT_RING(CCE_PACKET0(R128_BRUSH_DATA0, 31));
for (i = 0; i < 32; i++) {
OUT_RING(stipple[i]);
}
ADVANCE_RING();
}
/* ================================================================
* IOCTL functions
*/
static int r128_cce_clear(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_r128_clear_t clear;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(clear, (drm_r128_clear_t __user *) data,
sizeof(clear));
RING_SPACE_TEST_WITH_RETURN(dev_priv);
if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
r128_cce_dispatch_clear(dev, &clear);
COMMIT_RING();
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
return 0;
}
static int r128_do_init_pageflip(drm_device_t * dev)
{
drm_r128_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
dev_priv->crtc_offset = R128_READ(R128_CRTC_OFFSET);
dev_priv->crtc_offset_cntl = R128_READ(R128_CRTC_OFFSET_CNTL);
R128_WRITE(R128_CRTC_OFFSET, dev_priv->front_offset);
R128_WRITE(R128_CRTC_OFFSET_CNTL,
dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL);
dev_priv->page_flipping = 1;
dev_priv->current_page = 0;
dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page;
return 0;
}
static int r128_do_cleanup_pageflip(drm_device_t * dev)
{
drm_r128_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
R128_WRITE(R128_CRTC_OFFSET, dev_priv->crtc_offset);
R128_WRITE(R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl);
if (dev_priv->current_page != 0) {
r128_cce_dispatch_flip(dev);
COMMIT_RING();
}
dev_priv->page_flipping = 0;
return 0;
}
/* Swapping and flipping are different operations, need different ioctls.
* They can & should be intermixed to support multiple 3d windows.
*/
static int r128_cce_flip(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("%s\n", __FUNCTION__);
LOCK_TEST_WITH_RETURN(dev, filp);
RING_SPACE_TEST_WITH_RETURN(dev_priv);
if (!dev_priv->page_flipping)
r128_do_init_pageflip(dev);
r128_cce_dispatch_flip(dev);
COMMIT_RING();
return 0;
}
static int r128_cce_swap(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
DRM_DEBUG("%s\n", __FUNCTION__);
LOCK_TEST_WITH_RETURN(dev, filp);
RING_SPACE_TEST_WITH_RETURN(dev_priv);
if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
r128_cce_dispatch_swap(dev);
dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
R128_UPLOAD_MASKS);
COMMIT_RING();
return 0;
}
static int r128_cce_vertex(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
drm_r128_vertex_t vertex;
LOCK_TEST_WITH_RETURN(dev, filp);
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL(vertex, (drm_r128_vertex_t __user *) data,
sizeof(vertex));
DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
DRM_CURRENTPID, vertex.idx, vertex.count, vertex.discard);
if (vertex.idx < 0 || vertex.idx >= dma->buf_count) {
DRM_ERROR("buffer index %d (of %d max)\n",
vertex.idx, dma->buf_count - 1);
return DRM_ERR(EINVAL);
}
if (vertex.prim < 0 ||
vertex.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
DRM_ERROR("buffer prim %d\n", vertex.prim);
return DRM_ERR(EINVAL);
}
RING_SPACE_TEST_WITH_RETURN(dev_priv);
VB_AGE_TEST_WITH_RETURN(dev_priv);
buf = dma->buflist[vertex.idx];
buf_priv = buf->dev_private;
if (buf->filp != filp) {
DRM_ERROR("process %d using buffer owned by %p\n",
DRM_CURRENTPID, buf->filp);
return DRM_ERR(EINVAL);
}
if (buf->pending) {
DRM_ERROR("sending pending buffer %d\n", vertex.idx);
return DRM_ERR(EINVAL);
}
buf->used = vertex.count;
buf_priv->prim = vertex.prim;
buf_priv->discard = vertex.discard;
r128_cce_dispatch_vertex(dev, buf);
COMMIT_RING();
return 0;
}
static int r128_cce_indices(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
drm_r128_indices_t elts;
int count;
LOCK_TEST_WITH_RETURN(dev, filp);
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL(elts, (drm_r128_indices_t __user *) data,
sizeof(elts));
DRM_DEBUG("pid=%d buf=%d s=%d e=%d d=%d\n", DRM_CURRENTPID,
elts.idx, elts.start, elts.end, elts.discard);
if (elts.idx < 0 || elts.idx >= dma->buf_count) {
DRM_ERROR("buffer index %d (of %d max)\n",
elts.idx, dma->buf_count - 1);
return DRM_ERR(EINVAL);
}
if (elts.prim < 0 || elts.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
DRM_ERROR("buffer prim %d\n", elts.prim);
return DRM_ERR(EINVAL);
}
RING_SPACE_TEST_WITH_RETURN(dev_priv);
VB_AGE_TEST_WITH_RETURN(dev_priv);
buf = dma->buflist[elts.idx];
buf_priv = buf->dev_private;
if (buf->filp != filp) {
DRM_ERROR("process %d using buffer owned by %p\n",
DRM_CURRENTPID, buf->filp);
return DRM_ERR(EINVAL);
}
if (buf->pending) {
DRM_ERROR("sending pending buffer %d\n", elts.idx);
return DRM_ERR(EINVAL);
}
count = (elts.end - elts.start) / sizeof(u16);
elts.start -= R128_INDEX_PRIM_OFFSET;
if (elts.start & 0x7) {
DRM_ERROR("misaligned buffer 0x%x\n", elts.start);
return DRM_ERR(EINVAL);
}
if (elts.start < buf->used) {
DRM_ERROR("no header 0x%x - 0x%x\n", elts.start, buf->used);
return DRM_ERR(EINVAL);
}
buf->used = elts.end;
buf_priv->prim = elts.prim;
buf_priv->discard = elts.discard;
r128_cce_dispatch_indices(dev, buf, elts.start, elts.end, count);
COMMIT_RING();
return 0;
}
static int r128_cce_blit(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_device_dma_t *dma = dev->dma;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_blit_t blit;
int ret;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(blit, (drm_r128_blit_t __user *) data,
sizeof(blit));
DRM_DEBUG("pid=%d index=%d\n", DRM_CURRENTPID, blit.idx);
if (blit.idx < 0 || blit.idx >= dma->buf_count) {
DRM_ERROR("buffer index %d (of %d max)\n",
blit.idx, dma->buf_count - 1);
return DRM_ERR(EINVAL);
}
RING_SPACE_TEST_WITH_RETURN(dev_priv);
VB_AGE_TEST_WITH_RETURN(dev_priv);
ret = r128_cce_dispatch_blit(filp, dev, &blit);
COMMIT_RING();
return ret;
}
static int r128_cce_depth(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_depth_t depth;
int ret;
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(depth, (drm_r128_depth_t __user *) data,
sizeof(depth));
RING_SPACE_TEST_WITH_RETURN(dev_priv);
ret = DRM_ERR(EINVAL);
switch (depth.func) {
case R128_WRITE_SPAN:
ret = r128_cce_dispatch_write_span(dev, &depth);
break;
case R128_WRITE_PIXELS:
ret = r128_cce_dispatch_write_pixels(dev, &depth);
break;
case R128_READ_SPAN:
ret = r128_cce_dispatch_read_span(dev, &depth);
break;
case R128_READ_PIXELS:
ret = r128_cce_dispatch_read_pixels(dev, &depth);
break;
}
COMMIT_RING();
return ret;
}
static int r128_cce_stipple(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_stipple_t stipple;
u32 mask[32];
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(stipple, (drm_r128_stipple_t __user *) data,
sizeof(stipple));
if (DRM_COPY_FROM_USER(&mask, stipple.mask, 32 * sizeof(u32)))
return DRM_ERR(EFAULT);
RING_SPACE_TEST_WITH_RETURN(dev_priv);
r128_cce_dispatch_stipple(dev, mask);
COMMIT_RING();
return 0;
}
static int r128_cce_indirect(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_r128_buf_priv_t *buf_priv;
drm_r128_indirect_t indirect;
#if 0
RING_LOCALS;
#endif
LOCK_TEST_WITH_RETURN(dev, filp);
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL(indirect, (drm_r128_indirect_t __user *) data,
sizeof(indirect));
DRM_DEBUG("indirect: idx=%d s=%d e=%d d=%d\n",
indirect.idx, indirect.start, indirect.end, indirect.discard);
if (indirect.idx < 0 || indirect.idx >= dma->buf_count) {
DRM_ERROR("buffer index %d (of %d max)\n",
indirect.idx, dma->buf_count - 1);
return DRM_ERR(EINVAL);
}
buf = dma->buflist[indirect.idx];
buf_priv = buf->dev_private;
if (buf->filp != filp) {
DRM_ERROR("process %d using buffer owned by %p\n",
DRM_CURRENTPID, buf->filp);
return DRM_ERR(EINVAL);
}
if (buf->pending) {
DRM_ERROR("sending pending buffer %d\n", indirect.idx);
return DRM_ERR(EINVAL);
}
if (indirect.start < buf->used) {
DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
indirect.start, buf->used);
return DRM_ERR(EINVAL);
}
RING_SPACE_TEST_WITH_RETURN(dev_priv);
VB_AGE_TEST_WITH_RETURN(dev_priv);
buf->used = indirect.end;
buf_priv->discard = indirect.discard;
#if 0
/* Wait for the 3D stream to idle before the indirect buffer
* containing 2D acceleration commands is processed.
*/
BEGIN_RING(2);
RADEON_WAIT_UNTIL_3D_IDLE();
ADVANCE_RING();
#endif
/* Dispatch the indirect buffer full of commands from the
* X server. This is insecure and is thus only available to
* privileged clients.
*/
r128_cce_dispatch_indirect(dev, buf, indirect.start, indirect.end);
COMMIT_RING();
return 0;
}
static int r128_getparam(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_getparam_t param;
int value;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL(param, (drm_r128_getparam_t __user *) data,
sizeof(param));
DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
switch (param.param) {
case R128_PARAM_IRQ_NR:
value = dev->irq;
break;
default:
return DRM_ERR(EINVAL);
}
if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) {
DRM_ERROR("copy_to_user\n");
return DRM_ERR(EFAULT);
}
return 0;
}
void r128_driver_preclose(drm_device_t * dev, DRMFILE filp)
{
if (dev->dev_private) {
drm_r128_private_t *dev_priv = dev->dev_private;
if (dev_priv->page_flipping) {
r128_do_cleanup_pageflip(dev);
}
}
}
void r128_driver_lastclose(drm_device_t * dev)
{
r128_do_cleanup_cce(dev);
}
drm_ioctl_desc_t r128_ioctls[] = {
[DRM_IOCTL_NR(DRM_R128_INIT)] = {r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_R128_CCE_START)] = {r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = {r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = {r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = {r128_cce_idle, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_RESET)] = {r128_engine_reset, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = {r128_fullscreen, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_SWAP)] = {r128_cce_swap, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_FLIP)] = {r128_cce_flip, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_CLEAR)] = {r128_cce_clear, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_VERTEX)] = {r128_cce_vertex, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_INDICES)] = {r128_cce_indices, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_BLIT)] = {r128_cce_blit, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_DEPTH)] = {r128_cce_depth, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_STIPPLE)] = {r128_cce_stipple, DRM_AUTH},
[DRM_IOCTL_NR(DRM_R128_INDIRECT)] = {r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_R128_GETPARAM)] = {r128_getparam, DRM_AUTH},
};
int r128_max_ioctl = DRM_ARRAY_SIZE(r128_ioctls);