Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
24 lines
932 B
C
24 lines
932 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Miscellaneous definitions for VIA chipsets
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Currently used only by drivers/parport/parport_pc.c */
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/* Values for SuperIO function select configuration register */
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#define VIA_FUNCTION_PARPORT_SPP 0x00
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#define VIA_FUNCTION_PARPORT_ECP 0x01
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#define VIA_FUNCTION_PARPORT_EPP 0x02
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#define VIA_FUNCTION_PARPORT_DISABLE 0x03
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#define VIA_FUNCTION_PROBE 0xFF /* Special magic value to be used in code, not to be written into chip */
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/* Bits for parallel port mode configuration register */
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#define VIA_PARPORT_ECPEPP 0X20
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#define VIA_PARPORT_BIDIR 0x80
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/* VIA configuration registers */
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#define VIA_CONFIG_INDEX 0x3F0
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#define VIA_CONFIG_DATA 0x3F1
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/* Mask for parallel port IRQ bits (in ISA PnP IRQ routing register 1) */
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#define VIA_IRQCONTROL_PARALLEL 0xF0
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/* Mask for parallel port DMA bits (in ISA PnP DMA routing register) */
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#define VIA_DMACONTROL_PARALLEL 0x0C
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