--- /dev/null
+/* 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 <drm/drmP.h>
+#include <drm/r128_drm.h>
+#include "r128_drv.h"
+
+/* ================================================================
+ * CCE hardware state programming functions
+ */
+
+static void r128_emit_clip_rects(drm_r128_private_t *dev_priv,
+ struct drm_clip_rect *boxes, int count)
+{
+ u32 aux_sc_cntl = 0x00000000;
+ RING_LOCALS;
+ DRM_DEBUG("\n");
+
+ 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("\n");
+
+ 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("\n");
+
+ 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("\n");
+
+ 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("\n");
+
+ 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("\n");
+
+ 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("\n");
+
+ 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("\n");
+
+ 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 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("dirty=0x%08x\n", 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(struct drm_device *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;
+ struct drm_clip_rect *pbox = sarea_priv->boxes;
+ unsigned int flags = clear->flags;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG("\n");
+
+ 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(struct drm_device *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;
+ struct drm_clip_rect *pbox = sarea_priv->boxes;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG("\n");
+
+#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(struct drm_device *dev)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ RING_LOCALS;
+ DRM_DEBUG("page=%d pfCurrentPage=%d\n",
+ 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(struct drm_device *dev, struct drm_buf *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(struct drm_device *dev,
+ struct drm_buf *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(struct drm_device *dev,
+ struct drm_buf *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(struct drm_device *dev,
+ struct drm_file *file_priv,
+ drm_r128_blit_t *blit)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *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 -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->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", blit->idx);
+ return -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(struct drm_device *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 -EMSGSIZE;
+
+ if (copy_from_user(&x, depth->x, sizeof(x)))
+ return -EFAULT;
+ if (copy_from_user(&y, depth->y, sizeof(y)))
+ return -EFAULT;
+
+ buffer_size = depth->n * sizeof(u32);
+ buffer = memdup_user(depth->buffer, buffer_size);
+ if (IS_ERR(buffer))
+ return PTR_ERR(buffer);
+
+ mask_size = depth->n;
+ if (depth->mask) {
+ mask = memdup_user(depth->mask, mask_size);
+ if (IS_ERR(mask)) {
+ kfree(buffer);
+ return PTR_ERR(mask);
+ }
+
+ for (i = 0; i < count; i++, x++) {
+ if (mask[i]) {
+ BEGIN_RING(6);
+
+ OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
+ OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
+ R128_GMC_BRUSH_SOLID_COLOR |
+ (dev_priv->depth_fmt << 8) |
+ R128_GMC_SRC_DATATYPE_COLOR |
+ R128_ROP3_P |
+ R128_GMC_CLR_CMP_CNTL_DIS |
+ R128_GMC_WR_MSK_DIS);
+
+ OUT_RING(dev_priv->depth_pitch_offset_c);
+ OUT_RING(buffer[i]);
+
+ OUT_RING((x << 16) | y);
+ OUT_RING((1 << 16) | 1);
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree(mask);
+ } else {
+ for (i = 0; i < count; i++, x++) {
+ BEGIN_RING(6);
+
+ OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
+ OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
+ R128_GMC_BRUSH_SOLID_COLOR |
+ (dev_priv->depth_fmt << 8) |
+ R128_GMC_SRC_DATATYPE_COLOR |
+ R128_ROP3_P |
+ R128_GMC_CLR_CMP_CNTL_DIS |
+ R128_GMC_WR_MSK_DIS);
+
+ OUT_RING(dev_priv->depth_pitch_offset_c);
+ OUT_RING(buffer[i]);
+
+ OUT_RING((x << 16) | y);
+ OUT_RING((1 << 16) | 1);
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree(buffer);
+
+ return 0;
+}
+
+static int r128_cce_dispatch_write_pixels(struct drm_device *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 -EMSGSIZE;
+
+ xbuf_size = count * sizeof(*x);
+ ybuf_size = count * sizeof(*y);
+ x = kmalloc(xbuf_size, GFP_KERNEL);
+ if (x == NULL)
+ return -ENOMEM;
+ y = kmalloc(ybuf_size, GFP_KERNEL);
+ if (y == NULL) {
+ kfree(x);
+ return -ENOMEM;
+ }
+ if (copy_from_user(x, depth->x, xbuf_size)) {
+ kfree(x);
+ kfree(y);
+ return -EFAULT;
+ }
+ if (copy_from_user(y, depth->y, xbuf_size)) {
+ kfree(x);
+ kfree(y);
+ return -EFAULT;
+ }
+
+ buffer_size = depth->n * sizeof(u32);
+ buffer = memdup_user(depth->buffer, buffer_size);
+ if (IS_ERR(buffer)) {
+ kfree(x);
+ kfree(y);
+ return PTR_ERR(buffer);
+ }
+
+ if (depth->mask) {
+ mask_size = depth->n;
+ mask = memdup_user(depth->mask, mask_size);
+ if (IS_ERR(mask)) {
+ kfree(x);
+ kfree(y);
+ kfree(buffer);
+ return PTR_ERR(mask);
+ }
+
+ for (i = 0; i < count; i++) {
+ if (mask[i]) {
+ BEGIN_RING(6);
+
+ OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
+ OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
+ R128_GMC_BRUSH_SOLID_COLOR |
+ (dev_priv->depth_fmt << 8) |
+ R128_GMC_SRC_DATATYPE_COLOR |
+ R128_ROP3_P |
+ R128_GMC_CLR_CMP_CNTL_DIS |
+ R128_GMC_WR_MSK_DIS);
+
+ OUT_RING(dev_priv->depth_pitch_offset_c);
+ OUT_RING(buffer[i]);
+
+ OUT_RING((x[i] << 16) | y[i]);
+ OUT_RING((1 << 16) | 1);
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree(mask);
+ } else {
+ for (i = 0; i < count; i++) {
+ BEGIN_RING(6);
+
+ OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
+ OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
+ R128_GMC_BRUSH_SOLID_COLOR |
+ (dev_priv->depth_fmt << 8) |
+ R128_GMC_SRC_DATATYPE_COLOR |
+ R128_ROP3_P |
+ R128_GMC_CLR_CMP_CNTL_DIS |
+ R128_GMC_WR_MSK_DIS);
+
+ OUT_RING(dev_priv->depth_pitch_offset_c);
+ OUT_RING(buffer[i]);
+
+ OUT_RING((x[i] << 16) | y[i]);
+ OUT_RING((1 << 16) | 1);
+
+ ADVANCE_RING();
+ }
+ }
+
+ kfree(x);
+ kfree(y);
+ kfree(buffer);
+
+ return 0;
+}
+
+static int r128_cce_dispatch_read_span(struct drm_device *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 -EMSGSIZE;
+
+ if (copy_from_user(&x, depth->x, sizeof(x)))
+ return -EFAULT;
+ if (copy_from_user(&y, depth->y, sizeof(y)))
+ return -EFAULT;
+
+ BEGIN_RING(7);
+
+ OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
+ OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
+ R128_GMC_DST_PITCH_OFFSET_CNTL |
+ R128_GMC_BRUSH_NONE |
+ (dev_priv->depth_fmt << 8) |
+ R128_GMC_SRC_DATATYPE_COLOR |
+ R128_ROP3_S |
+ R128_DP_SRC_SOURCE_MEMORY |
+ R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
+
+ OUT_RING(dev_priv->depth_pitch_offset_c);
+ OUT_RING(dev_priv->span_pitch_offset_c);
+
+ OUT_RING((x << 16) | y);
+ OUT_RING((0 << 16) | 0);
+ OUT_RING((count << 16) | 1);
+
+ ADVANCE_RING();
+
+ return 0;
+}
+
+static int r128_cce_dispatch_read_pixels(struct drm_device *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("\n");
+
+ count = depth->n;
+ if (count > 4096 || count <= 0)
+ return -EMSGSIZE;
+
+ if (count > dev_priv->depth_pitch)
+ count = dev_priv->depth_pitch;
+
+ xbuf_size = count * sizeof(*x);
+ ybuf_size = count * sizeof(*y);
+ x = kmalloc(xbuf_size, GFP_KERNEL);
+ if (x == NULL)
+ return -ENOMEM;
+ y = kmalloc(ybuf_size, GFP_KERNEL);
+ if (y == NULL) {
+ kfree(x);
+ return -ENOMEM;
+ }
+ if (copy_from_user(x, depth->x, xbuf_size)) {
+ kfree(x);
+ kfree(y);
+ return -EFAULT;
+ }
+ if (copy_from_user(y, depth->y, ybuf_size)) {
+ kfree(x);
+ kfree(y);
+ return -EFAULT;
+ }
+
+ for (i = 0; i < count; i++) {
+ BEGIN_RING(7);
+
+ OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
+ OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
+ R128_GMC_DST_PITCH_OFFSET_CNTL |
+ R128_GMC_BRUSH_NONE |
+ (dev_priv->depth_fmt << 8) |
+ R128_GMC_SRC_DATATYPE_COLOR |
+ R128_ROP3_S |
+ R128_DP_SRC_SOURCE_MEMORY |
+ R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
+
+ OUT_RING(dev_priv->depth_pitch_offset_c);
+ OUT_RING(dev_priv->span_pitch_offset_c);
+
+ OUT_RING((x[i] << 16) | y[i]);
+ OUT_RING((i << 16) | 0);
+ OUT_RING((1 << 16) | 1);
+
+ ADVANCE_RING();
+ }
+
+ kfree(x);
+ kfree(y);
+
+ return 0;
+}
+
+/* ================================================================
+ * Polygon stipple
+ */
+
+static void r128_cce_dispatch_stipple(struct drm_device *dev, u32 *stipple)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ int i;
+ RING_LOCALS;
+ DRM_DEBUG("\n");
+
+ 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(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_sarea_t *sarea_priv;
+ drm_r128_clear_t *clear = data;
+ DRM_DEBUG("\n");
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+
+ sarea_priv = dev_priv->sarea_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(struct drm_device *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(struct drm_device *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(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ DRM_DEBUG("\n");
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ 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(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
+ DRM_DEBUG("\n");
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ 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(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_r128_vertex_t *vertex = data;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_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 > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
+ DRM_ERROR("buffer prim %d\n", vertex->prim);
+ return -EINVAL;
+ }
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+ VB_AGE_TEST_WITH_RETURN(dev_priv);
+
+ buf = dma->buflist[vertex->idx];
+ buf_priv = buf->dev_private;
+
+ if (buf->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;
+ }
+
+ 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(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_r128_indices_t *elts = data;
+ int count;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ 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 -EINVAL;
+ }
+ if (elts->prim < 0 ||
+ elts->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
+ DRM_ERROR("buffer prim %d\n", elts->prim);
+ return -EINVAL;
+ }
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+ VB_AGE_TEST_WITH_RETURN(dev_priv);
+
+ buf = dma->buflist[elts->idx];
+ buf_priv = buf->dev_private;
+
+ if (buf->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 -= R128_INDEX_PRIM_OFFSET;
+
+ if (elts->start & 0x7) {
+ DRM_ERROR("misaligned buffer 0x%x\n", elts->start);
+ return -EINVAL;
+ }
+ if (elts->start < buf->used) {
+ DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used);
+ return -EINVAL;
+ }
+
+ buf->used = elts->end;
+ buf_priv->prim = elts->prim;
+ buf_priv->discard = elts->discard;
+
+ r128_cce_dispatch_indices(dev, buf, elts->start, elts->end, count);
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ struct drm_device_dma *dma = dev->dma;
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_blit_t *blit = data;
+ int ret;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ 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 -EINVAL;
+ }
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+ VB_AGE_TEST_WITH_RETURN(dev_priv);
+
+ ret = r128_cce_dispatch_blit(dev, file_priv, blit);
+
+ COMMIT_RING();
+ return ret;
+}
+
+static int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_depth_t *depth = data;
+ int ret;
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+
+ ret = -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(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_stipple_t *stipple = data;
+ u32 mask[32];
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ if (copy_from_user(&mask, stipple->mask, 32 * sizeof(u32)))
+ return -EFAULT;
+
+ RING_SPACE_TEST_WITH_RETURN(dev_priv);
+
+ r128_cce_dispatch_stipple(dev, mask);
+
+ COMMIT_RING();
+ return 0;
+}
+
+static int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
+ drm_r128_buf_priv_t *buf_priv;
+ drm_r128_indirect_t *indirect = data;
+#if 0
+ RING_LOCALS;
+#endif
+
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+ DEV_INIT_TEST_WITH_RETURN(dev_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];
+ buf_priv = buf->dev_private;
+
+ 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;
+ 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(struct drm_device *dev, void *data, struct drm_file *file_priv)
+{
+ drm_r128_private_t *dev_priv = dev->dev_private;
+ drm_r128_getparam_t *param = data;
+ int value;
+
+ DEV_INIT_TEST_WITH_RETURN(dev_priv);
+
+ DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
+
+ switch (param->param) {
+ case R128_PARAM_IRQ_NR:
+ value = dev->pdev->irq;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (copy_to_user(param->value, &value, sizeof(int))) {
+ DRM_ERROR("copy_to_user\n");
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+void r128_driver_preclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+ 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(struct drm_device *dev)
+{
+ r128_do_cleanup_cce(dev);
+}
+
+const struct drm_ioctl_desc r128_ioctls[] = {
+ DRM_IOCTL_DEF_DRV(R128_INIT, r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF_DRV(R128_CCE_START, r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF_DRV(R128_CCE_STOP, r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF_DRV(R128_CCE_RESET, r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF_DRV(R128_CCE_IDLE, r128_cce_idle, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_RESET, r128_engine_reset, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_FULLSCREEN, r128_fullscreen, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_SWAP, r128_cce_swap, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_FLIP, r128_cce_flip, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_CLEAR, r128_cce_clear, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_VERTEX, r128_cce_vertex, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_INDICES, r128_cce_indices, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_BLIT, r128_cce_blit, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_DEPTH, r128_cce_depth, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_STIPPLE, r128_cce_stipple, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(R128_INDIRECT, r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF_DRV(R128_GETPARAM, r128_getparam, DRM_AUTH),
+};
+
+int r128_max_ioctl = ARRAY_SIZE(r128_ioctls);
Code Review / kvmfornfv.git / blobdiff