1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_mmio.h b/drivers/gpu/drm/xe/xe_mmio.h
new file mode 100644
index 000000000000..15362789ab99
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_mmio.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021-2023 Intel Corporation
+ */
+
+#ifndef _XE_MMIO_H_
+#define _XE_MMIO_H_
+
+#include "xe_gt_types.h"
+
+struct xe_device;
+struct xe_reg;
+
+int xe_mmio_probe_early(struct xe_device *xe);
+int xe_mmio_probe_tiles(struct xe_device *xe);
+
+void xe_mmio_init(struct xe_mmio *mmio, struct xe_tile *tile, void __iomem *ptr, u32 size);
+
+u8 xe_mmio_read8(struct xe_mmio *mmio, struct xe_reg reg);
+u16 xe_mmio_read16(struct xe_mmio *mmio, struct xe_reg reg);
+void xe_mmio_write32(struct xe_mmio *mmio, struct xe_reg reg, u32 val);
+u32 xe_mmio_read32(struct xe_mmio *mmio, struct xe_reg reg);
+u32 xe_mmio_rmw32(struct xe_mmio *mmio, struct xe_reg reg, u32 clr, u32 set);
+int xe_mmio_write32_and_verify(struct xe_mmio *mmio, struct xe_reg reg, u32 val, u32 mask, u32 eval);
+bool xe_mmio_in_range(const struct xe_mmio *mmio, const struct xe_mmio_range *range, struct xe_reg reg);
+
+u64 xe_mmio_read64_2x32(struct xe_mmio *mmio, struct xe_reg reg);
+int xe_mmio_wait32(struct xe_mmio *mmio, struct xe_reg reg, u32 mask, u32 val,
+		   u32 timeout_us, u32 *out_val, bool atomic);
+int xe_mmio_wait32_not(struct xe_mmio *mmio, struct xe_reg reg, u32 mask,
+		       u32 val, u32 timeout_us, u32 *out_val, bool atomic);
+
+static inline u32 xe_mmio_adjusted_addr(const struct xe_mmio *mmio, u32 addr)
+{
+	if (addr < mmio->adj_limit)
+		addr += mmio->adj_offset;
+	return addr;
+}
+
+static inline struct xe_mmio *xe_root_tile_mmio(struct xe_device *xe)
+{
+	return &xe->tiles[0].mmio;
+}
+
+#ifdef CONFIG_PCI_IOV
+void xe_mmio_init_vf_view(struct xe_mmio *mmio, const struct xe_mmio *base, unsigned int vfid);
+#endif
+
+#endif