vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _LINUX_I8042_H
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#define _LINUX_I8042_H
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#include <linux/errno.h>
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#include <linux/types.h>
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/*
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* Standard commands.
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*/
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#define I8042_CMD_CTL_RCTR 0x0120
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#define I8042_CMD_CTL_WCTR 0x1060
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#define I8042_CMD_CTL_TEST 0x01aa
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#define I8042_CMD_KBD_DISABLE 0x00ad
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#define I8042_CMD_KBD_ENABLE 0x00ae
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#define I8042_CMD_KBD_TEST 0x01ab
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#define I8042_CMD_KBD_LOOP 0x11d2
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#define I8042_CMD_AUX_DISABLE 0x00a7
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#define I8042_CMD_AUX_ENABLE 0x00a8
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#define I8042_CMD_AUX_TEST 0x01a9
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#define I8042_CMD_AUX_SEND 0x10d4
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#define I8042_CMD_AUX_LOOP 0x11d3
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#define I8042_CMD_MUX_PFX 0x0090
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#define I8042_CMD_MUX_SEND 0x1090
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/*
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* Status register bits.
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*/
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#define I8042_STR_PARITY 0x80
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#define I8042_STR_TIMEOUT 0x40
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#define I8042_STR_AUXDATA 0x20
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#define I8042_STR_KEYLOCK 0x10
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#define I8042_STR_CMDDAT 0x08
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#define I8042_STR_MUXERR 0x04
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#define I8042_STR_IBF 0x02
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#define I8042_STR_OBF 0x01
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/*
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* Control register bits.
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*/
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#define I8042_CTR_KBDINT 0x01
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#define I8042_CTR_AUXINT 0x02
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#define I8042_CTR_IGNKEYLOCK 0x08
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#define I8042_CTR_KBDDIS 0x10
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#define I8042_CTR_AUXDIS 0x20
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#define I8042_CTR_XLATE 0x40
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struct serio;
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/**
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* typedef i8042_filter_t - i8042 filter callback
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* @data: Data received by the i8042 controller
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* @str: Status register of the i8042 controller
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* @serio: Serio of the i8042 controller
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* @context: Context pointer associated with this callback
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*
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* This represents a i8042 filter callback which can be used with i8042_install_filter()
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* and i8042_remove_filter() to filter the i8042 input for platform-specific key codes.
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*
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* Context: Interrupt context.
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* Returns: true if the data should be filtered out, false if otherwise.
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*/
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typedef bool (*i8042_filter_t)(unsigned char data, unsigned char str, struct serio *serio,
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void *context);
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#if defined(CONFIG_SERIO_I8042) || defined(CONFIG_SERIO_I8042_MODULE)
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void i8042_lock_chip(void);
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void i8042_unlock_chip(void);
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int i8042_command(unsigned char *param, int command);
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int i8042_install_filter(i8042_filter_t filter, void *context);
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int i8042_remove_filter(i8042_filter_t filter);
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#else
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static inline void i8042_lock_chip(void)
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{
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}
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static inline void i8042_unlock_chip(void)
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{
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}
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static inline int i8042_command(unsigned char *param, int command)
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{
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return -ENODEV;
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}
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static inline int i8042_install_filter(i8042_filter_t filter, void *context)
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{
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return -ENODEV;
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}
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static inline int i8042_remove_filter(i8042_filter_t filter)
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{
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return -ENODEV;
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}
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#endif
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#endif
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