diff options
Diffstat (limited to 'drivers/gpu/drm/r128/r128_state.c')
| -rw-r--r-- | drivers/gpu/drm/r128/r128_state.c | 1640 |
1 files changed, 1640 insertions, 0 deletions
diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c new file mode 100644 index 000000000..9d74c9d91 --- /dev/null +++ b/drivers/gpu/drm/r128/r128_state.c @@ -0,0 +1,1640 @@ +/* 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 <linux/pci.h> +#include <linux/slab.h> +#include <linux/uaccess.h> + +#include <drm/drm_device.h> +#include <drm/drm_file.h> +#include <drm/drm_print.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", + task_pid_nr(current), 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 = memdup_user(depth->x, xbuf_size); + if (IS_ERR(x)) + return PTR_ERR(x); + y = memdup_user(depth->y, ybuf_size); + if (IS_ERR(y)) { + kfree(x); + return PTR_ERR(y); + } + 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", + task_pid_nr(current), 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", + task_pid_nr(current), 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", task_pid_nr(current), + 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", + task_pid_nr(current), 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", task_pid_nr(current), 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; +} + +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; +} + +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", + task_pid_nr(current), 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; +} + +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", task_pid_nr(current)); + + 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); |