diff options
Diffstat (limited to 'linux/mga_state.c')
| -rw-r--r-- | linux/mga_state.c | 140 |
1 files changed, 135 insertions, 5 deletions
diff --git a/linux/mga_state.c b/linux/mga_state.c index 6ac3d605..bba8fa35 100644 --- a/linux/mga_state.c +++ b/linux/mga_state.c @@ -491,6 +491,8 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev, int length, unsigned int destOrg) { drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->ContextState; int use_agp = PDEA_pagpxfer_enable | 0x00000001; u16 y2; PRIMLOCALS; @@ -505,7 +507,7 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev, PRIMOUTREG(MGAREG_AR5, 64); PRIMOUTREG(MGAREG_PITCH, 64); - PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, ~0); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); @@ -514,7 +516,7 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev, PRIMOUTREG(MGAREG_FXBNDRY, (63 << 16)); PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, y2); - PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); PRIMOUTREG(MGAREG_SRCORG, 0); PRIMOUTREG(MGAREG_PITCH, dev_priv->stride / dev_priv->cpp); PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); @@ -691,7 +693,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, /* Force reset of DWGCTL */ PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); PRIMADVANCE(dev_priv); } @@ -722,7 +724,7 @@ static void mga_dma_dispatch_swap(drm_device_t * dev) PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, ~0); PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); for (i = 0; i < nbox; i++) { @@ -739,13 +741,141 @@ static void mga_dma_dispatch_swap(drm_device_t * dev) /* Force reset of DWGCTL */ PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); PRIMOUTREG(MGAREG_SRCORG, 0); PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); PRIMADVANCE(dev_priv); } +/* #define BLIT_LEFT 1 */ +/* #define BLIT_UP 4 */ + +static void mga_dma_dispatch_blit(drm_device_t * dev, + unsigned int planemask, + unsigned int source, + unsigned int dest, + int delta_sx, int delta_sy, + int delta_dx, int delta_dy, + int source_pitch, + int dest_pitch, + int height, + int ydir) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->ContextState; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int pixel_stride = dev_priv->stride / dev_priv->cpp; + u32 scandir = 0, i; + + PRIMLOCALS; + + PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20); + + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DWGSYNC, 0x7100); + PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); + + PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); + PRIMOUTREG(MGAREG_PLNWT, planemask); + PRIMOUTREG(MGAREG_SRCORG, source); + PRIMOUTREG(MGAREG_DSTORG, dest); + + PRIMOUTREG(MGAREG_SGN, scandir); + PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); + PRIMOUTREG(MGAREG_AR5, ydir * source_pitch); + PRIMOUTREG(MGAREG_PITCH, dest_pitch); + + for (i = 0; i < nbox; i++) { + int srcx = pbox[i].x1 + delta_sx; + int srcy = pbox[i].y1 + delta_sy; + int dstx = pbox[i].x1 + delta_dx; + int dsty = pbox[i].y1 + delta_dy; + int h = pbox[i].y2 - pbox[i].y1; + int w = pbox[i].x2 - pbox[i].x1 - 1; + int start; + + if (ydir == -1) { + srcy = height - srcy - 1; + } + + start = srcy * source_pitch + srcx; + + PRIMOUTREG(MGAREG_AR0, start + w); + PRIMOUTREG(MGAREG_AR3, start); + PRIMOUTREG(MGAREG_FXBNDRY, ((dstx+w) << 16) | (dstx & 0xffff)); + PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, (dsty << 16) | h); + } + + /* Do something to flush AGP? + */ + + /* Force reset of DWGCTL */ + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); + PRIMOUTREG(MGAREG_PITCH, pixel_stride); + PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); + + PRIMADVANCE(dev_priv); +} + + +int mga_blit(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_mga_private_t *dev_priv = + (drm_mga_private_t *) dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_blit_t blit; + + if (copy_from_user(&blit, (drm_mga_blit_t *) arg, sizeof(blit))) + return -EFAULT; + + DRM_DEBUG("%s\n", __FUNCTION__); + + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("mga_blit_bufs called without lock held\n"); + return -EINVAL; + } + + if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; + + if ((blit.source & 0x3) != (SO_srcmap_sys|SO_srcacc_pci) && + (blit.dest & 0x3) != (SO_srcmap_sys|SO_srcacc_pci)) + { + mga_dma_dispatch_blit(dev, + blit.planemask, + blit.source, + blit.dest, + blit.delta_sx, blit.delta_sy, + blit.delta_dx, blit.delta_dy, + blit.source_pitch, + blit.dest_pitch, + blit.height, + blit.ydir); + } + + + PRIMUPDATE(dev_priv); + +#ifdef __i386__ + mga_flush_write_combine(); +#endif + mga_dma_schedule(dev, 1); + return 0; +} + + int mga_clear_bufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { |