diff options
Diffstat (limited to 'drivers/char/drm/ffb_context.c')
| -rw-r--r-- | drivers/char/drm/ffb_context.c | 230 |
1 files changed, 113 insertions, 117 deletions
diff --git a/drivers/char/drm/ffb_context.c b/drivers/char/drm/ffb_context.c index f51812078010..8a6cc2751bc9 100644 --- a/drivers/char/drm/ffb_context.c +++ b/drivers/char/drm/ffb_context.c @@ -15,8 +15,7 @@ #include "ffb_drv.h" -static int DRM(alloc_queue)(drm_device_t *dev, int is_2d_only) -{ +static int DRM(alloc_queue) (drm_device_t * dev, int is_2d_only) { ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; int i; @@ -37,7 +36,7 @@ static int DRM(alloc_queue)(drm_device_t *dev, int is_2d_only) return i + 1; } -static void ffb_save_context(ffb_dev_priv_t *fpriv, int idx) +static void ffb_save_context(ffb_dev_priv_t * fpriv, int idx) { ffb_fbcPtr ffb = fpriv->regs; struct ffb_hw_context *ctx; @@ -94,36 +93,36 @@ static void ffb_save_context(ffb_dev_priv_t *fpriv, int idx) /* 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->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->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->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 */ + 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); @@ -135,9 +134,9 @@ static void ffb_save_context(ffb_dev_priv_t *fpriv, int idx) 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->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. */ @@ -145,12 +144,12 @@ static void ffb_save_context(ffb_dev_priv_t *fpriv, int idx) 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 */ + 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. @@ -170,7 +169,7 @@ static void ffb_save_context(ffb_dev_priv_t *fpriv, int idx) ctx->ucsr = upa_readl(&ffb->ucsr); } -static void ffb_restore_context(ffb_dev_priv_t *fpriv, int old, int idx) +static void ffb_restore_context(ffb_dev_priv_t * fpriv, int old, int idx) { ffb_fbcPtr ffb = fpriv->regs; struct ffb_hw_context *ctx; @@ -193,7 +192,7 @@ static void ffb_restore_context(ffb_dev_priv_t *fpriv, int old, int idx) upa_writel(ctx->ppc, &ffb->ppc); upa_writel(ctx->wid, &ffb->wid); - upa_writel(ctx->fg, &ffb->fg); + upa_writel(ctx->fg, &ffb->fg); upa_writel(ctx->bg, &ffb->bg); upa_writel(ctx->xclip, &ffb->xclip); upa_writel(ctx->fbc, &ffb->fbc); @@ -237,36 +236,36 @@ static void ffb_restore_context(ffb_dev_priv_t *fpriv, int old, int idx) /* 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 */ - upa_writel(ctx->consty, &ffb->consty); /* Constant Y */ - upa_writel(ctx->constz, &ffb->constz); /* Constant Z */ - upa_writel(ctx->xclip, &ffb->xclip); /* X plane clip */ - upa_writel(ctx->dcss, &ffb->dcss); /* Depth Cue Scale Slope */ + 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 */ + upa_writel(ctx->consty, &ffb->consty); /* Constant Y */ + upa_writel(ctx->constz, &ffb->constz); /* Constant Z */ + upa_writel(ctx->xclip, &ffb->xclip); /* X plane clip */ + upa_writel(ctx->dcss, &ffb->dcss); /* Depth Cue Scale Slope */ upa_writel(ctx->vclipmin, &ffb->vclipmin); /* Primary XY clip, minimum */ upa_writel(ctx->vclipmax, &ffb->vclipmax); /* Primary XY clip, maximum */ upa_writel(ctx->vclipzmin, &ffb->vclipzmin); /* Primary Z clip, minimum */ upa_writel(ctx->vclipzmax, &ffb->vclipzmax); /* Primary Z clip, maximum */ - upa_writel(ctx->dcsf, &ffb->dcsf); /* Depth Cue Scale Front Bound */ - upa_writel(ctx->dcsb, &ffb->dcsb); /* Depth Cue Scale Back Bound */ - upa_writel(ctx->dczf, &ffb->dczf); /* Depth Cue Scale Z Front */ - upa_writel(ctx->dczb, &ffb->dczb); /* Depth Cue Scale Z Back */ - upa_writel(ctx->blendc, &ffb->blendc); /* Alpha Blend Control */ + upa_writel(ctx->dcsf, &ffb->dcsf); /* Depth Cue Scale Front Bound */ + upa_writel(ctx->dcsb, &ffb->dcsb); /* Depth Cue Scale Back Bound */ + upa_writel(ctx->dczf, &ffb->dczf); /* Depth Cue Scale Z Front */ + upa_writel(ctx->dczb, &ffb->dczb); /* Depth Cue Scale Z Back */ + upa_writel(ctx->blendc, &ffb->blendc); /* Alpha Blend Control */ upa_writel(ctx->blendc1, &ffb->blendc1); /* Alpha Blend Color 1 */ upa_writel(ctx->blendc2, &ffb->blendc2); /* Alpha Blend Color 2 */ - upa_writel(ctx->fbc, &ffb->fbc); /* Frame Buffer Control */ - upa_writel(ctx->rop, &ffb->rop); /* Raster Operation */ - upa_writel(ctx->cmp, &ffb->cmp); /* Compare Controls */ + upa_writel(ctx->fbc, &ffb->fbc); /* Frame Buffer Control */ + upa_writel(ctx->rop, &ffb->rop); /* Raster Operation */ + upa_writel(ctx->cmp, &ffb->cmp); /* Compare Controls */ upa_writel(ctx->matchab, &ffb->matchab); /* Buffer A/B Match Ops */ - upa_writel(ctx->matchc, &ffb->matchc); /* Buffer C Match Ops */ - upa_writel(ctx->magnab, &ffb->magnab); /* Buffer A/B Magnitude Ops */ - upa_writel(ctx->magnc, &ffb->magnc); /* Buffer C Magnitude Ops */ - upa_writel(ctx->pmask, &ffb->pmask); /* RGB Plane Mask */ - upa_writel(ctx->xpmask, &ffb->xpmask); /* X Plane Mask */ - upa_writel(ctx->ypmask, &ffb->ypmask); /* Y Plane Mask */ - upa_writel(ctx->zpmask, &ffb->zpmask); /* Z Plane Mask */ + upa_writel(ctx->matchc, &ffb->matchc); /* Buffer C Match Ops */ + upa_writel(ctx->magnab, &ffb->magnab); /* Buffer A/B Magnitude Ops */ + upa_writel(ctx->magnc, &ffb->magnc); /* Buffer C Magnitude Ops */ + upa_writel(ctx->pmask, &ffb->pmask); /* RGB Plane Mask */ + upa_writel(ctx->xpmask, &ffb->xpmask); /* X Plane Mask */ + upa_writel(ctx->ypmask, &ffb->ypmask); /* Y Plane Mask */ + upa_writel(ctx->zpmask, &ffb->zpmask); /* Z Plane Mask */ /* Auxiliary Clips. */ upa_writel(ctx->auxclip0min, &ffb->auxclip[0].min); @@ -278,9 +277,9 @@ static void ffb_restore_context(ffb_dev_priv_t *fpriv, int old, int idx) upa_writel(ctx->auxclip3min, &ffb->auxclip[3].min); upa_writel(ctx->auxclip3max, &ffb->auxclip[3].max); - upa_writel(ctx->lpat, &ffb->lpat); /* Line Pattern */ - upa_writel(ctx->fontxy, &ffb->fontxy); /* XY Font Coordinate */ - upa_writel(ctx->fontw, &ffb->fontw); /* Font Width */ + upa_writel(ctx->lpat, &ffb->lpat); /* Line Pattern */ + upa_writel(ctx->fontxy, &ffb->fontxy); /* XY Font Coordinate */ + upa_writel(ctx->fontw, &ffb->fontw); /* Font Width */ upa_writel(ctx->fontinc, &ffb->fontinc); /* Font X/Y Increment */ /* These registers/features only exist on FFB2 and later chips. */ @@ -354,91 +353,87 @@ static void FFBWait(ffb_fbcPtr ffb) } while (--limit); } -int ffb_driver_context_switch(drm_device_t *dev, int old, int new) +int ffb_driver_context_switch(drm_device_t * dev, int old, int new) { ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; #ifdef DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); + dev->ctx_start = get_cycles(); #endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - if (new == dev->last_context || - dev->last_context == 0) { + DRM_DEBUG("Context switch from %d to %d\n", old, new); + + if (new == dev->last_context || dev->last_context == 0) { dev->last_context = new; - return 0; + return 0; } - + FFBWait(fpriv->regs); ffb_save_context(fpriv, old); ffb_restore_context(fpriv, old, new); FFBWait(fpriv->regs); - + dev->last_context = new; - return 0; + return 0; } int ffb_driver_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t __user *)arg, sizeof(res))) + if (copy_from_user(&res, (drm_ctx_res_t __user *) arg, sizeof(res))) return -EFAULT; if (res.count >= DRM_RESERVED_CONTEXTS) { memset(&ctx, 0, sizeof(ctx)); for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { ctx.handle = i; - if (copy_to_user(&res.contexts[i], - &i, - sizeof(i))) + if (copy_to_user(&res.contexts[i], &i, sizeof(i))) return -EFAULT; } } res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t __user *)arg, &res, sizeof(res))) + if (copy_to_user((drm_ctx_res_t __user *) arg, &res, sizeof(res))) return -EFAULT; return 0; } - int ffb_driver_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; int idx; - if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) return -EFAULT; - idx = DRM(alloc_queue)(dev, (ctx.flags & _DRM_CONTEXT_2DONLY)); + idx = DRM(alloc_queue) (dev, (ctx.flags & _DRM_CONTEXT_2DONLY)); if (idx < 0) return -ENFILE; DRM_DEBUG("%d\n", ctx.handle); ctx.handle = idx; - if (copy_to_user((drm_ctx_t __user *)arg, &ctx, sizeof(ctx))) + if (copy_to_user((drm_ctx_t __user *) arg, &ctx, sizeof(ctx))) return -EFAULT; return 0; } int ffb_driver_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; struct ffb_hw_context *hwctx; drm_ctx_t ctx; int idx; - if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) return -EFAULT; idx = ctx.handle; @@ -458,16 +453,16 @@ int ffb_driver_modctx(struct inode *inode, struct file *filp, unsigned int cmd, } int ffb_driver_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; struct ffb_hw_context *hwctx; drm_ctx_t ctx; int idx; - if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) return -EFAULT; idx = ctx.handle; @@ -483,31 +478,31 @@ int ffb_driver_getctx(struct inode *inode, struct file *filp, unsigned int cmd, else ctx.flags = 0; - if (copy_to_user((drm_ctx_t __user *)arg, &ctx, sizeof(ctx))) + if (copy_to_user((drm_ctx_t __user *) arg, &ctx, sizeof(ctx))) return -EFAULT; return 0; } -int ffb_driver_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int ffb_driver_switchctx(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_ctx_t ctx; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; - if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) return -EFAULT; DRM_DEBUG("%d\n", ctx.handle); return ffb_driver_context_switch(dev, dev->last_context, ctx.handle); } int ffb_driver_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_ctx_t ctx; + drm_ctx_t ctx; - if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) return -EFAULT; DRM_DEBUG("%d\n", ctx.handle); @@ -515,15 +510,15 @@ int ffb_driver_newctx(struct inode *inode, struct file *filp, unsigned int cmd, } int ffb_driver_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) + unsigned long arg) { - drm_ctx_t ctx; - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + drm_ctx_t ctx; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; int idx; - if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + if (copy_from_user(&ctx, (drm_ctx_t __user *) arg, sizeof(ctx))) return -EFAULT; DRM_DEBUG("%d\n", ctx.handle); @@ -544,7 +539,8 @@ void ffb_set_context_ioctls(void) DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)].func = ffb_driver_rmctx; DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)].func = ffb_driver_modctx; DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)].func = ffb_driver_getctx; - DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)].func = ffb_driver_switchctx; + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)].func = + ffb_driver_switchctx; DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)].func = ffb_driver_newctx; DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)].func = ffb_driver_resctx; |