Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 133 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv30.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv30.c
new file mode 100644
index 000000000..8aa782666
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv30.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2010 Francisco Jerez.
+ * 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 THE COPYRIGHT OWNER(S) 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.
+ *
+ */
+#include "priv.h"
+#include "ram.h"
+
+void
+nv30_fb_tile_init(struct nvkm_fb *fb, int i, u32 addr, u32 size, u32 pitch,
+		  u32 flags, struct nvkm_fb_tile *tile)
+{
+	/* for performance, select alternate bank offset for zeta */
+	if (!(flags & 4)) {
+		tile->addr = (0 << 4);
+	} else {
+		if (fb->func->tile.comp) /* z compression */
+			fb->func->tile.comp(fb, i, size, flags, tile);
+		tile->addr = (1 << 4);
+	}
+
+	tile->addr |= 0x00000001; /* enable */
+	tile->addr |= addr;
+	tile->limit = max(1u, addr + size) - 1;
+	tile->pitch = pitch;
+}
+
+static void
+nv30_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
+		  struct nvkm_fb_tile *tile)
+{
+	u32 tiles = DIV_ROUND_UP(size, 0x40);
+	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
+	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+		if (flags & 2) tile->zcomp |= 0x01000000; /* Z16 */
+		else           tile->zcomp |= 0x02000000; /* Z24S8 */
+		tile->zcomp |= ((tile->tag->offset           ) >> 6);
+		tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 12;
+#ifdef __BIG_ENDIAN
+		tile->zcomp |= 0x10000000;
+#endif
+	}
+}
+
+static int
+calc_bias(struct nvkm_fb *fb, int k, int i, int j)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	int b = (device->chipset > 0x30 ?
+		 nvkm_rd32(device, 0x122c + 0x10 * k + 0x4 * j) >>
+			(4 * (i ^ 1)) :
+		 0) & 0xf;
+
+	return 2 * (b & 0x8 ? b - 0x10 : b);
+}
+
+static int
+calc_ref(struct nvkm_fb *fb, int l, int k, int i)
+{
+	int j, x = 0;
+
+	for (j = 0; j < 4; j++) {
+		int m = (l >> (8 * i) & 0xff) + calc_bias(fb, k, i, j);
+
+		x |= (0x80 | clamp(m, 0, 0x1f)) << (8 * j);
+	}
+
+	return x;
+}
+
+void
+nv30_fb_init(struct nvkm_fb *fb)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	int i, j;
+
+	/* Init the memory timing regs at 0x10037c/0x1003ac */
+	if (device->chipset == 0x30 ||
+	    device->chipset == 0x31 ||
+	    device->chipset == 0x35) {
+		/* Related to ROP count */
+		int n = (device->chipset == 0x31 ? 2 : 4);
+		int l = nvkm_rd32(device, 0x1003d0);
+
+		for (i = 0; i < n; i++) {
+			for (j = 0; j < 3; j++)
+				nvkm_wr32(device, 0x10037c + 0xc * i + 0x4 * j,
+					  calc_ref(fb, l, 0, j));
+
+			for (j = 0; j < 2; j++)
+				nvkm_wr32(device, 0x1003ac + 0x8 * i + 0x4 * j,
+					  calc_ref(fb, l, 1, j));
+		}
+	}
+}
+
+static const struct nvkm_fb_func
+nv30_fb = {
+	.tags = nv20_fb_tags,
+	.init = nv30_fb_init,
+	.tile.regions = 8,
+	.tile.init = nv30_fb_tile_init,
+	.tile.comp = nv30_fb_tile_comp,
+	.tile.fini = nv20_fb_tile_fini,
+	.tile.prog = nv20_fb_tile_prog,
+	.ram_new = nv20_ram_new,
+};
+
+int
+nv30_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return nvkm_fb_new_(&nv30_fb, device, index, pfb);
+}