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VGA register are rather special since they either get accessed
via the global IO addresses, or possibly through MMIO on
pre-g4x platforms. Wrap all VGA register accesses in
intel_vga_{read,write}() to make it obvious where they get
accessed.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251208182637.334-13-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
20 lines
509 B
C
20 lines
509 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_VGA_H__
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#define __INTEL_VGA_H__
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#include <linux/types.h>
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struct intel_display;
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u8 intel_vga_read(struct intel_display *display, u16 reg, bool mmio);
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void intel_vga_reset_io_mem(struct intel_display *display);
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void intel_vga_disable(struct intel_display *display);
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void intel_vga_register(struct intel_display *display);
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void intel_vga_unregister(struct intel_display *display);
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#endif /* __INTEL_VGA_H__ */
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