aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nvc0_fbcon.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_fbcon.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fbcon.c269
1 files changed, 269 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_fbcon.c b/drivers/gpu/drm/nouveau/nvc0_fbcon.c
new file mode 100644
index 000000000000..fa5d4c234383
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvc0_fbcon.c
@@ -0,0 +1,269 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * 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 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
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs
+ */
+
+#include "drmP.h"
+#include "nouveau_drv.h"
+#include "nouveau_dma.h"
+#include "nouveau_ramht.h"
+#include "nouveau_fbcon.h"
+#include "nouveau_mm.h"
+
+int
+nvc0_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
+{
+ struct nouveau_fbdev *nfbdev = info->par;
+ struct drm_device *dev = nfbdev->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_channel *chan = dev_priv->channel;
+ int ret;
+
+ ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
+ if (ret)
+ return ret;
+
+ if (rect->rop != ROP_COPY) {
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x02ac, 1);
+ OUT_RING (chan, 1);
+ }
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0588, 1);
+ if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
+ info->fix.visual == FB_VISUAL_DIRECTCOLOR)
+ OUT_RING (chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
+ else
+ OUT_RING (chan, rect->color);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0600, 4);
+ OUT_RING (chan, rect->dx);
+ OUT_RING (chan, rect->dy);
+ OUT_RING (chan, rect->dx + rect->width);
+ OUT_RING (chan, rect->dy + rect->height);
+ if (rect->rop != ROP_COPY) {
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x02ac, 1);
+ OUT_RING (chan, 3);
+ }
+ FIRE_RING(chan);
+ return 0;
+}
+
+int
+nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
+{
+ struct nouveau_fbdev *nfbdev = info->par;
+ struct drm_device *dev = nfbdev->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_channel *chan = dev_priv->channel;
+ int ret;
+
+ ret = RING_SPACE(chan, 12);
+ if (ret)
+ return ret;
+
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0110, 1);
+ OUT_RING (chan, 0);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x08b0, 4);
+ OUT_RING (chan, region->dx);
+ OUT_RING (chan, region->dy);
+ OUT_RING (chan, region->width);
+ OUT_RING (chan, region->height);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x08d0, 4);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, region->sx);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, region->sy);
+ FIRE_RING(chan);
+ return 0;
+}
+
+int
+nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
+{
+ struct nouveau_fbdev *nfbdev = info->par;
+ struct drm_device *dev = nfbdev->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_channel *chan = dev_priv->channel;
+ uint32_t width, dwords, *data = (uint32_t *)image->data;
+ uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
+ uint32_t *palette = info->pseudo_palette;
+ int ret;
+
+ if (image->depth != 1)
+ return -ENODEV;
+
+ ret = RING_SPACE(chan, 11);
+ if (ret)
+ return ret;
+
+ width = ALIGN(image->width, 32);
+ dwords = (width * image->height) >> 5;
+
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0814, 2);
+ if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
+ info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
+ OUT_RING (chan, palette[image->bg_color] | mask);
+ OUT_RING (chan, palette[image->fg_color] | mask);
+ } else {
+ OUT_RING (chan, image->bg_color);
+ OUT_RING (chan, image->fg_color);
+ }
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0838, 2);
+ OUT_RING (chan, image->width);
+ OUT_RING (chan, image->height);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0850, 4);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, image->dx);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, image->dy);
+
+ while (dwords) {
+ int push = dwords > 2047 ? 2047 : dwords;
+
+ ret = RING_SPACE(chan, push + 1);
+ if (ret)
+ return ret;
+
+ dwords -= push;
+
+ BEGIN_NVC0(chan, 6, NvSub2D, 0x0860, push);
+ OUT_RINGp(chan, data, push);
+ data += push;
+ }
+
+ FIRE_RING(chan);
+ return 0;
+}
+
+int
+nvc0_fbcon_accel_init(struct fb_info *info)
+{
+ struct nouveau_fbdev *nfbdev = info->par;
+ struct drm_device *dev = nfbdev->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_channel *chan = dev_priv->channel;
+ struct nouveau_bo *nvbo = nfbdev->nouveau_fb.nvbo;
+ int ret, format;
+
+ ret = nouveau_gpuobj_gr_new(chan, 0x902d, 0x902d);
+ if (ret)
+ return ret;
+
+ switch (info->var.bits_per_pixel) {
+ case 8:
+ format = 0xf3;
+ break;
+ case 15:
+ format = 0xf8;
+ break;
+ case 16:
+ format = 0xe8;
+ break;
+ case 32:
+ switch (info->var.transp.length) {
+ case 0: /* depth 24 */
+ case 8: /* depth 32, just use 24.. */
+ format = 0xe6;
+ break;
+ case 2: /* depth 30 */
+ format = 0xd1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = RING_SPACE(chan, 60);
+ if (ret) {
+ WARN_ON(1);
+ nouveau_fbcon_gpu_lockup(info);
+ return ret;
+ }
+
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0000, 1);
+ OUT_RING (chan, 0x0000902d);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0104, 2);
+ OUT_RING (chan, upper_32_bits(chan->notifier_bo->bo.offset));
+ OUT_RING (chan, lower_32_bits(chan->notifier_bo->bo.offset));
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0290, 1);
+ OUT_RING (chan, 0);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0888, 1);
+ OUT_RING (chan, 1);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x02ac, 1);
+ OUT_RING (chan, 3);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x02a0, 1);
+ OUT_RING (chan, 0x55);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x08c0, 4);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0580, 2);
+ OUT_RING (chan, 4);
+ OUT_RING (chan, format);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x02e8, 2);
+ OUT_RING (chan, 2);
+ OUT_RING (chan, 1);
+
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0804, 1);
+ OUT_RING (chan, format);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0800, 1);
+ OUT_RING (chan, 1);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0808, 3);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x081c, 1);
+ OUT_RING (chan, 1);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0840, 4);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0200, 10);
+ OUT_RING (chan, format);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, info->fix.line_length);
+ OUT_RING (chan, info->var.xres_virtual);
+ OUT_RING (chan, info->var.yres_virtual);
+ OUT_RING (chan, upper_32_bits(nvbo->vma.offset));
+ OUT_RING (chan, lower_32_bits(nvbo->vma.offset));
+ BEGIN_NVC0(chan, 2, NvSub2D, 0x0230, 10);
+ OUT_RING (chan, format);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, 1);
+ OUT_RING (chan, 0);
+ OUT_RING (chan, info->fix.line_length);
+ OUT_RING (chan, info->var.xres_virtual);
+ OUT_RING (chan, info->var.yres_virtual);
+ OUT_RING (chan, upper_32_bits(nvbo->vma.offset));
+ OUT_RING (chan, lower_32_bits(nvbo->vma.offset));
+ FIRE_RING (chan);
+
+ return 0;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 08:34:15 +0000