Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 121 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c
new file mode 100644
index 000000000..c228ca15f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/vmap.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2012 Nouveau Community
+ *
+ * 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: Martin Peres
+ */
+#include <subdev/bios.h>
+#include <subdev/bios/bit.h>
+#include <subdev/bios/vmap.h>
+
+u32
+nvbios_vmap_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
+{
+	struct bit_entry bit_P;
+	u32 vmap = 0;
+
+	if (!bit_entry(bios, 'P', &bit_P)) {
+		if (bit_P.version == 2) {
+			vmap = nvbios_rd32(bios, bit_P.offset + 0x20);
+			if (vmap) {
+				*ver = nvbios_rd08(bios, vmap + 0);
+				switch (*ver) {
+				case 0x10:
+				case 0x20:
+					*hdr = nvbios_rd08(bios, vmap + 1);
+					*cnt = nvbios_rd08(bios, vmap + 3);
+					*len = nvbios_rd08(bios, vmap + 2);
+					return vmap;
+				default:
+					break;
+				}
+			}
+		}
+	}
+
+	return 0;
+}
+
+u32
+nvbios_vmap_parse(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
+		  struct nvbios_vmap *info)
+{
+	u32 vmap = nvbios_vmap_table(bios, ver, hdr, cnt, len);
+	memset(info, 0x00, sizeof(*info));
+	switch (!!vmap * *ver) {
+	case 0x10:
+		info->max0 = 0xff;
+		info->max1 = 0xff;
+		info->max2 = 0xff;
+		break;
+	case 0x20:
+		info->max0 = nvbios_rd08(bios, vmap + 0x7);
+		info->max1 = nvbios_rd08(bios, vmap + 0x8);
+		if (*len >= 0xc)
+			info->max2 = nvbios_rd08(bios, vmap + 0xc);
+		else
+			info->max2 = 0xff;
+		break;
+	}
+	return vmap;
+}
+
+u32
+nvbios_vmap_entry(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len)
+{
+	u8  hdr, cnt;
+	u32 vmap = nvbios_vmap_table(bios, ver, &hdr, &cnt, len);
+	if (vmap && idx < cnt) {
+		vmap = vmap + hdr + (idx * *len);
+		return vmap;
+	}
+	return 0;
+}
+
+u32
+nvbios_vmap_entry_parse(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len,
+			struct nvbios_vmap_entry *info)
+{
+	u32 vmap = nvbios_vmap_entry(bios, idx, ver, len);
+	memset(info, 0x00, sizeof(*info));
+	switch (!!vmap * *ver) {
+	case 0x10:
+		info->link   = 0xff;
+		info->min    = nvbios_rd32(bios, vmap + 0x00);
+		info->max    = nvbios_rd32(bios, vmap + 0x04);
+		info->arg[0] = nvbios_rd32(bios, vmap + 0x08);
+		info->arg[1] = nvbios_rd32(bios, vmap + 0x0c);
+		info->arg[2] = nvbios_rd32(bios, vmap + 0x10);
+		break;
+	case 0x20:
+		info->mode   = nvbios_rd08(bios, vmap + 0x00);
+		info->link   = nvbios_rd08(bios, vmap + 0x01);
+		info->min    = nvbios_rd32(bios, vmap + 0x02);
+		info->max    = nvbios_rd32(bios, vmap + 0x06);
+		info->arg[0] = nvbios_rd32(bios, vmap + 0x0a);
+		info->arg[1] = nvbios_rd32(bios, vmap + 0x0e);
+		info->arg[2] = nvbios_rd32(bios, vmap + 0x12);
+		info->arg[3] = nvbios_rd32(bios, vmap + 0x16);
+		info->arg[4] = nvbios_rd32(bios, vmap + 0x1a);
+		info->arg[5] = nvbios_rd32(bios, vmap + 0x1e);
+		break;
+	}
+	return vmap;
+}