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AgeCommit message (Expand)Author
2007-10-03Use 'ifdef __BIG_ENDIAN' instead of 'if __BIG_ENDIAN'Ian Romanick
2007-10-03First round of byte-ordering fixes for PowerPC.Ian Romanick
2007-10-02nouveau: nv20 graph_create_context differencePekka Paalanen
2007-10-02nouveau: fix nv25_graph_context_initPekka Paalanen
2007-10-02nouveau: nv20 graph context initStuart Bennett
2007-10-02ttm: returning into dummy causes a buffer object leakDave Airlie
2007-10-01nouveau: Fix dereferencing a NULL pointer when erroring out during initializa...Maarten Maathuis
2007-10-01nouveau: flip the ctx switch bit on. it seems to be ignored on nv34 but cause...Stephane Marchesin
2007-09-30nouveau : nv30 remove harcoded NV20_PGRAPH_CHANNEL_CTX_TABLEMatthieu Castet
2007-09-30nouveau : nv20_graph replace nouveau_graph_wait_idle by nouveau_wait_for_idleMatthieu Castet
2007-09-30nouveau: rename nv30_graph.c to nv20_graph.cPekka Paalanen
2007-09-30nouveau: nv30 graph function renames, removed nv20_graph.cPekka Paalanen
2007-09-30nouveau: graph ctx init nv25Pekka Paalanen
2007-09-30nouveau: nv28 graph context initPekka Paalanen
2007-09-30nouveau: let nv20 hardware do ctx switching automatically.Pekka Paalanen
2007-09-30nouveau: Make nv20 use the nv30 PGRAPH ctx functions.Pekka Paalanen
2007-09-30nouveau: Change couple constants to symbols.Pekka Paalanen
2007-09-30nouveau: NV30 should never call nouveau_nv20_context_switch().Pekka Paalanen
2007-09-30nouveau : pgraph_ctx dynamic alloc for nv04, nv10Matthieu Castet
2007-09-30nouveau : nv04 don't use chan->pgraph_ctx arrayMatthieu Castet
2007-09-29nouveau : stop the fifo of the channel we are deletingMatthieu Castet
2007-09-29nouveau : nv1x fix strange corruptionMatthieu Castet
2007-09-29radeon: Commit the ring after each partial texture upload blit.chaohong guo
2007-09-29Don't build without any optimization on Linux.Michel Dänzer
2007-09-28nouveau : clean chan->pgraph_ctx stuff. We now do a static init of the array.Matthieu Castet
2007-09-28Revert drm_i915_flip_t braindamageJesse Barnes
2007-09-26Allow parallel module compileKeith Packard
2007-09-26Add bracketsAlan Hourihane
2007-09-26don't copy back if an error was returned.Alan Hourihane
2007-09-25Merge branch 'master' into pre-superioctl-branchThomas Hellstrom
2007-09-25drm: use fence_class as name instead of classDave Airlie
2007-09-25drm/ttm: fixup fence class naming and interfacesDave Airlie
2007-09-22Fix pinned buffer fence class.Thomas Hellstrom
2007-09-22Fix drm_bo.c compiling.Thomas Hellstrom
2007-09-22Make nouveau compile on older kernels.Thomas Hellstrom
2007-09-22Add fence error member.Thomas Hellstrom
2007-09-21Merge branch 'bo-set-pin'Eric Anholt
2007-09-21Add some more verbosity to drm_bo_set_pin_req comments.Eric Anholt
2007-09-21Fix mapCount refcounting on unmap, even though the value is unused.Eric Anholt
2007-09-21nouveau: fix ppc and get it right this time.Stephane Marchesin
2007-09-21nouveau: fix notifiers on PPC.Stephane Marchesin
2007-09-21nouveau: add some checks to the nv04 graph switching code.Stephane Marchesin
2007-09-20drm_sysfs: update sysfs code from kernelDave Airlie
2007-09-19Merge branch 'origin' into bo-set-pinEric Anholt
2007-09-18i915: Reinstate check that drawable has valid information in i915_vblank_swap.Michel Dänzer
2007-09-18i915: Fix scheduled buffer swaps.Michel Dänzer
2007-09-18Add ioc32 compat layer for XGI DRM.Ian Romanick
2007-09-18Fix ioc32 compat layerIan Romanick
2007-09-12Added bool typedef added in kernel 2.6.19Brian
2007-09-12Added idr_replace() function which was apparently added in Linux 2.6.18Brian
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/* $Id$
 * ffb_context.c: Creator/Creator3D DRI/DRM context switching.
 *
 * Copyright (C) 2000 David S. Miller (davem@redhat.com)
 *
 * Almost entirely stolen from tdfx_context.c, see there
 * for authors.
 */

#include <linux/sched.h>
#include <asm/upa.h>

#include "drmP.h"
#include "ffb_drv.h"

static int ffb_alloc_queue(drm_device_t * dev, int is_2d_only) {
	ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private;
	int i;

	for (i = 0; i < FFB_MAX_CTXS; i++) {
		if (fpriv->hw_state[i] == NULL)
			break;
	}
	if (i == FFB_MAX_CTXS)
		return -1;

	fpriv->hw_state[i] = kmalloc(sizeof(struct ffb_hw_context), GFP_KERNEL);
	if (fpriv->hw_state[i] == NULL)
		return -1;

	fpriv->hw_state[i]->is_2d_only = is_2d_only;

	/* Plus one because 0 is the special DRM_KERNEL_CONTEXT. */
	return i + 1;
}

static void ffb_save_context(ffb_dev_priv_t * fpriv, int idx)
{
	ffb_fbcPtr ffb = fpriv->regs;
	struct ffb_hw_context *ctx;
	int i;

	ctx = fpriv->hw_state[idx - 1];
	if (idx == 0 || ctx == NULL)
		return;

	if (ctx->is_2d_only) {
		/* 2D applications only care about certain pieces
		 * of state.
		 */
		ctx->drawop = upa_readl(&ffb->drawop);
		ctx->ppc = upa_readl(&ffb->ppc);
		ctx->wid = upa_readl(&ffb->wid);
		ctx->fg = upa_readl(&ffb->fg);
		ctx->bg = upa_readl(&ffb->bg);
		ctx->xclip = upa_readl(&ffb->xclip);
		ctx->fbc = upa_readl(&ffb->fbc);
		ctx->rop = upa_readl(&ffb->rop);
		ctx->cmp = upa_readl(&ffb->cmp);
		ctx->matchab = upa_readl(&ffb->matchab);
		ctx->magnab = upa_readl(&ffb->magnab);
		ctx->pmask = upa_readl(&ffb->pmask);
		ctx->xpmask = upa_readl(&ffb->xpmask);
		ctx->lpat = upa_readl(&ffb->lpat);
		ctx->fontxy = upa_readl(&ffb->fontxy);
		ctx->fontw = upa_readl(&ffb->fontw);
		ctx->fontinc = upa_readl(&ffb->fontinc);

		/* stencil/stencilctl only exists on FFB2+ and later
		 * due to the introduction of 3DRAM-III.
		 */
		if (fpriv->ffb_type == ffb2_vertical_plus ||
		    fpriv->ffb_type == ffb2_horizontal_plus) {
			ctx->stencil = upa_readl(&ffb->stencil);
			ctx->stencilctl = upa_readl(&ffb->stencilctl);
		}

		for (i = 0; i < 32; i++)
			ctx->area_pattern[i] = upa_readl(&ffb->pattern[i]);
		ctx->ucsr = upa_readl(&ffb->ucsr);
		return;
	}

	/* Fetch drawop. */
	ctx->drawop = upa_readl(&ffb->drawop);

	/* If we were saving the vertex registers, this is where
	 * we would do it.  We would save 32 32-bit words starting
	 * at ffb->suvtx.
	 */

	/* Capture rendering attributes. */

	ctx->ppc = upa_readl(&ffb->ppc);	/* Pixel Processor Control */
	ctx->wid = upa_readl(&ffb->wid);	/* Current WID */
	ctx->fg = upa_readl(&ffb->fg);	/* Constant FG color */
	ctx->bg = upa_readl(&ffb->bg);	/* Constant BG color */
	ctx->consty = upa_readl(&ffb->consty);	/* Constant Y */
	ctx->constz = upa_readl(&ffb->constz);	/* Constant Z */
	ctx->xclip = upa_readl(&ffb->xclip);	/* X plane clip */
	ctx->dcss = upa_readl(&ffb->dcss);	/* Depth Cue Scale Slope */
	ctx->vclipmin = upa_readl(&ffb->vclipmin);	/* Primary XY clip, minimum */
	ctx->vclipmax = upa_readl(&ffb->vclipmax);	/* Primary XY clip, maximum */
	ctx->vclipzmin = upa_readl(&ffb->vclipzmin);	/* Primary Z clip, minimum */
	ctx->vclipzmax = upa_readl(&ffb->vclipzmax);	/* Primary Z clip, maximum */
	ctx->dcsf = upa_readl(&ffb->dcsf);	/* Depth Cue Scale Front Bound */
	ctx->dcsb = upa_readl(&ffb->dcsb);	/* Depth Cue Scale Back Bound */
	ctx->dczf = upa_readl(&ffb->dczf);	/* Depth Cue Scale Z Front */
	ctx->dczb = upa_readl(&ffb->dczb);	/* Depth Cue Scale Z Back */
	ctx->blendc = upa_readl(&ffb->blendc);	/* Alpha Blend Control */
	ctx->blendc1 = upa_readl(&ffb->blendc1);	/* Alpha Blend Color 1 */
	ctx->blendc2 = upa_readl(&ffb->blendc2);	/* Alpha Blend Color 2 */
	ctx->fbc = upa_readl(&ffb->fbc);	/* Frame Buffer Control */
	ctx->rop = upa_readl(&ffb->rop);	/* Raster Operation */
	ctx->cmp = upa_readl(&ffb->cmp);	/* Compare Controls */
	ctx->matchab = upa_readl(&ffb->matchab);	/* Buffer A/B Match Ops */
	ctx->matchc = upa_readl(&ffb->matchc);	/* Buffer C Match Ops */
	ctx->magnab = upa_readl(&ffb->magnab);	/* Buffer A/B Magnitude Ops */
	ctx->magnc = upa_readl(&ffb->magnc);	/* Buffer C Magnitude Ops */
	ctx->pmask = upa_readl(&ffb->pmask);	/* RGB Plane Mask */
	ctx->xpmask = upa_readl(&ffb->xpmask);	/* X Plane Mask */
	ctx->ypmask = upa_readl(&ffb->ypmask);	/* Y Plane Mask */
	ctx->zpmask = upa_readl(&ffb->zpmask);	/* Z Plane Mask */

	/* Auxiliary Clips. */
	ctx->auxclip0min = upa_readl(&ffb->auxclip[0].min);
	ctx->auxclip0max = upa_readl(&ffb->auxclip[0].max);
	ctx->auxclip1min = upa_readl(&ffb->auxclip[1].min);
	ctx->auxclip1max = upa_readl(&ffb->auxclip[1].max);
	ctx->auxclip2min = upa_readl(&ffb->auxclip[2].min);
	ctx->auxclip2max = upa_readl(&ffb->auxclip[2].max);
	ctx->auxclip3min = upa_readl(&ffb->auxclip[3].min);
	ctx->auxclip3max = upa_readl(&ffb->auxclip[3].max);

	ctx->lpat = upa_readl(&ffb->lpat);	/* Line Pattern */
	ctx->fontxy = upa_readl(&ffb->fontxy);	/* XY Font Coordinate */
	ctx->fontw = upa_readl(&ffb->fontw);	/* Font Width */
	ctx->fontinc = upa_readl(&ffb->fontinc);	/* Font X/Y Increment */

	/* These registers/features only exist on FFB2 and later chips. */
	if (fpriv->ffb_type >= ffb2_prototype) {
		ctx->dcss1 = upa_readl(&ffb->dcss1);	/* Depth Cue Scale Slope 1 */
		ctx->dcss2 = upa_readl(&ffb->dcss2);	/* Depth Cue Scale Slope 2 */
		ctx->dcss2 = upa_readl(&ffb->dcss3);	/* Depth Cue Scale Slope 3 */
		ctx->dcs2 = upa_readl(&ffb->dcs2);	/* Depth Cue Scale 2 */
		ctx->dcs3 = upa_readl(&ffb->dcs3);	/* Depth Cue Scale 3 */
		ctx->dcs4 = upa_readl(&ffb->dcs4);	/* Depth Cue Scale 4 */
		ctx->dcd2 = upa_readl(&ffb->dcd2);	/* Depth Cue Depth 2 */
		ctx->dcd3 = upa_readl(&ffb->dcd3);	/* Depth Cue Depth 3 */
		ctx->dcd4 = upa_readl(&ffb->dcd4);	/* Depth Cue Depth 4 */

		/* And stencil/stencilctl only exists on FFB2+ and later
		 * due to the introduction of 3DRAM-III.
		 */
		if (fpriv->ffb_type == ffb2_vertical_plus ||
		    fpriv->ffb_type == ffb2_horizontal_plus) {
			ctx->stencil = upa_readl(&ffb->stencil);
			ctx->stencilctl = upa_readl(&ffb->stencilctl);
		}
	}

	/* Save the 32x32 area pattern. */
	for (i = 0; i < 32; i++)
		ctx->area_pattern[i] = upa_readl(&ffb->pattern[i]);

	/* Finally, stash away the User Constol/Status Register. */
	ctx->ucsr = upa_readl(&ffb->ucsr);
}

static void ffb_restore_context(ffb_dev_priv_t * fpriv, int old, int idx)
{
	ffb_fbcPtr ffb = fpriv->regs;
	struct ffb_hw_context *ctx;
	int i;

	ctx = fpriv->hw_state[idx - 1];
	if (idx == 0 || ctx == NULL)
		return;

	if (ctx->is_2d_only) {
		/* 2D applications only care about certain pieces
		 * of state.
		 */
		upa_writel(ctx->drawop, &ffb->drawop);

		/* If we were restoring the vertex registers, this is where
		 * we would do it.  We would restore 32 32-bit words starting
		 * at ffb->suvtx.
		 */

		upa_writel(ctx->ppc, &ffb->ppc);
		upa_writel(ctx->wid, &ffb->wid);
		upa_writel(ctx->fg, &ffb->fg);
		upa_writel(ctx->bg, &ffb->bg);
		upa_writel(ctx->xclip, &ffb->xclip);
		upa_writel(ctx->fbc, &ffb->fbc);
		upa_writel(ctx->rop, &ffb->rop);
		upa_writel(ctx->cmp, &ffb->cmp);
		upa_writel(ctx->matchab, &ffb->matchab);
		upa_writel(ctx->magnab, &ffb->magnab);
		upa_writel(ctx->pmask, &ffb->pmask);
		upa_writel(ctx->xpmask, &ffb->xpmask);
		upa_writel(ctx->lpat, &ffb->lpat);
		upa_writel(ctx->fontxy, &ffb->fontxy);
		upa_writel(ctx->fontw, &ffb->fontw);
		upa_writel(ctx->fontinc, &ffb->fontinc);

		/* stencil/stencilctl only exists on FFB2+ and later
		 * due to the introduction of 3DRAM-III.
		 */
		if (fpriv->ffb_type == ffb2_vertical_plus ||
		    fpriv->ffb_type == ffb2_horizontal_plus) {
			upa_writel(ctx->stencil, &ffb->stencil);
			upa_writel(ctx->stencilctl, &ffb->stencilctl);
			upa_writel(0x80000000, &ffb->fbc);
			upa_writel((ctx->stencilctl | 0x80000),
				   &ffb->rawstencilctl);
			upa_writel(ctx->fbc, &ffb->fbc);
		}

		for (i = 0; i < 32; i++)
			upa_writel(ctx->area_pattern[i], &ffb->pattern[i]);
		upa_writel((ctx->ucsr & 0xf0000), &ffb->ucsr);
		return;
	}

	/* Restore drawop. */
	upa_writel(ctx->drawop, &ffb->drawop);

	/* If we were restoring the vertex registers, this is where
	 * we would do it.  We would restore 32 32-bit words starting
	 * at ffb->suvtx.
	 */

	/* Restore rendering attributes. */

	upa_writel(ctx->ppc, &ffb->ppc);	/* Pixel Processor Control */
	upa_writel(ctx->wid, &ffb->wid);	/* Current WID */
	upa_writel(ctx->fg, &ffb->fg);	/* Constant FG color */
	upa_writel(ctx->bg, &ffb->bg);	/* Constant BG color */