add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/gpu/drm/nouveau/nvif/userc361.c
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@@ -21,6 +21,19 @@
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  */
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 #include <nvif/user.h>
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+static u64
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+nvif_userc361_time(struct nvif_user *user)
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+{
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+	u32 hi, lo;
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+
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+	do {
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+		hi = nvif_rd32(&user->object, 0x084);
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+		lo = nvif_rd32(&user->object, 0x080);
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+	} while (hi != nvif_rd32(&user->object, 0x084));
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+
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+	return ((u64)hi << 32 | lo);
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+}
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+
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 static void
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 nvif_userc361_doorbell(struct nvif_user *user, u32 token)
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 {
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@@ -30,4 +43,5 @@
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 const struct nvif_user_func
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 nvif_userc361 = {
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 	.doorbell = nvif_userc361_doorbell,
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+	.time = nvif_userc361_time,
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 };