Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 74 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/xpio.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/xpio.c
new file mode 100644
index 000000000..250fc42d8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/xpio.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2012 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 <subdev/bios.h>
+#include <subdev/bios/gpio.h>
+#include <subdev/bios/xpio.h>
+
+static u16
+dcb_xpiod_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
+{
+	u16 data = dcb_gpio_table(bios, ver, hdr, cnt, len);
+	if (data && *ver >= 0x40 && *hdr >= 0x06) {
+		u16 xpio = nvbios_rd16(bios, data + 0x04);
+		if (xpio) {
+			*ver = nvbios_rd08(bios, data + 0x00);
+			*hdr = nvbios_rd08(bios, data + 0x01);
+			*cnt = nvbios_rd08(bios, data + 0x02);
+			*len = nvbios_rd08(bios, data + 0x03);
+			return xpio;
+		}
+	}
+	return 0x0000;
+}
+
+u16
+dcb_xpio_table(struct nvkm_bios *bios, u8 idx,
+	       u8 *ver, u8 *hdr, u8 *cnt, u8 *len)
+{
+	u16 data = dcb_xpiod_table(bios, ver, hdr, cnt, len);
+	if (data && idx < *cnt) {
+		u16 xpio = nvbios_rd16(bios, data + *hdr + (idx * *len));
+		if (xpio) {
+			*ver = nvbios_rd08(bios, data + 0x00);
+			*hdr = nvbios_rd08(bios, data + 0x01);
+			*cnt = nvbios_rd08(bios, data + 0x02);
+			*len = nvbios_rd08(bios, data + 0x03);
+			return xpio;
+		}
+	}
+	return 0x0000;
+}
+
+u16
+dcb_xpio_parse(struct nvkm_bios *bios, u8 idx,
+	       u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_xpio *info)
+{
+	u16 data = dcb_xpio_table(bios, idx, ver, hdr, cnt, len);
+	if (data && *len >= 6) {
+		info->type = nvbios_rd08(bios, data + 0x04);
+		info->addr = nvbios_rd08(bios, data + 0x05);
+		info->flags = nvbios_rd08(bios, data + 0x06);
+	}
+	return 0x0000;
+}