diff options
Diffstat (limited to 'common/mkbp_input_devices.c')
| -rw-r--r-- | common/mkbp_input_devices.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/common/mkbp_input_devices.c b/common/mkbp_input_devices.c deleted file mode 100644 index e058c9d320..0000000000 --- a/common/mkbp_input_devices.c +++ /dev/null @@ -1,245 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Input devices using Matrix Keyboard Protocol [MKBP] events for Chrome EC */ - -#include "base_state.h" -#include "button.h" -#include "console.h" -#include "hooks.h" -#include "host_command.h" -#include "keyboard_mkbp.h" -#include "keyboard_scan.h" -#include "lid_switch.h" -#include "mkbp_event.h" -#include "mkbp_fifo.h" -#include "mkbp_input_devices.h" -#include "power_button.h" -#include "tablet_mode.h" -#include "util.h" - -#define CPRINTS(format, args...) cprints(CC_KEYBOARD, format, ## args) - -/* Buttons and switch state. */ -static uint32_t mkbp_button_state; -static uint32_t mkbp_switch_state; - -static bool mkbp_init_done; - -uint32_t mkbp_get_switch_state(void) -{ - return mkbp_switch_state; -}; - -uint32_t mkbp_get_button_state(void) -{ - return mkbp_button_state; -}; - -void mkbp_button_update(enum keyboard_button_type button, int is_pressed) -{ - switch (button) { - case KEYBOARD_BUTTON_POWER: - mkbp_button_state &= ~BIT(EC_MKBP_POWER_BUTTON); - mkbp_button_state |= (is_pressed << EC_MKBP_POWER_BUTTON); - break; - - case KEYBOARD_BUTTON_VOLUME_UP: - mkbp_button_state &= ~BIT(EC_MKBP_VOL_UP); - mkbp_button_state |= (is_pressed << EC_MKBP_VOL_UP); - break; - - case KEYBOARD_BUTTON_VOLUME_DOWN: - mkbp_button_state &= ~BIT(EC_MKBP_VOL_DOWN); - mkbp_button_state |= (is_pressed << EC_MKBP_VOL_DOWN); - break; - - case KEYBOARD_BUTTON_RECOVERY: - mkbp_button_state &= ~BIT(EC_MKBP_RECOVERY); - mkbp_button_state |= (is_pressed << EC_MKBP_RECOVERY); - break; - - default: - /* ignored. */ - return; - } - - CPRINTS("mkbp buttons: %x", mkbp_button_state); - - mkbp_fifo_add(EC_MKBP_EVENT_BUTTON, - (const uint8_t *)&mkbp_button_state); -}; - -void mkbp_update_switches(uint32_t sw, int state) -{ - mkbp_switch_state &= ~BIT(sw); - mkbp_switch_state |= (!!state << sw); - - CPRINTS("mkbp switches: %x", mkbp_switch_state); - - /* - * Only inform AP mkbp changes when all switches initialized, in case - * of the middle states causing the weird behaviour in the AP side, - * especially when sysjumped while AP up. - */ - if (mkbp_init_done) - mkbp_fifo_add(EC_MKBP_EVENT_SWITCH, - (const uint8_t *)&mkbp_switch_state); -} - - -/*****************************************************************************/ -/* Hooks */ - -#ifdef CONFIG_POWER_BUTTON -/** - * Handle power button changing state. - */ -static void keyboard_power_button(void) -{ - mkbp_button_update(KEYBOARD_BUTTON_POWER, - power_button_is_pressed()); -} -DECLARE_HOOK(HOOK_POWER_BUTTON_CHANGE, keyboard_power_button, - HOOK_PRIO_DEFAULT); -#endif /* defined(CONFIG_POWER_BUTTON) */ - -#ifdef CONFIG_LID_SWITCH -/** - * Handle lid changing state. - */ -static void mkbp_lid_change(void) -{ - mkbp_update_switches(EC_MKBP_LID_OPEN, lid_is_open()); -} -DECLARE_HOOK(HOOK_LID_CHANGE, mkbp_lid_change, HOOK_PRIO_LAST); -DECLARE_HOOK(HOOK_INIT, mkbp_lid_change, HOOK_PRIO_INIT_LID+1); -#endif - -#ifdef CONFIG_TABLET_MODE_SWITCH -static void mkbp_tablet_mode_change(void) -{ - mkbp_update_switches(EC_MKBP_TABLET_MODE, tablet_get_mode()); -} -DECLARE_HOOK(HOOK_TABLET_MODE_CHANGE, mkbp_tablet_mode_change, HOOK_PRIO_LAST); -DECLARE_HOOK(HOOK_INIT, mkbp_tablet_mode_change, HOOK_PRIO_INIT_LID+1); -#endif - -#ifdef CONFIG_BASE_ATTACHED_SWITCH -static void mkbp_base_attached_change(void) -{ - mkbp_update_switches(EC_MKBP_BASE_ATTACHED, base_get_state()); -} -DECLARE_HOOK(HOOK_BASE_ATTACHED_CHANGE, mkbp_base_attached_change, - HOOK_PRIO_LAST); -DECLARE_HOOK(HOOK_INIT, mkbp_base_attached_change, HOOK_PRIO_INIT_LID+1); -#endif - -static void mkbp_report_switch_on_init(void) -{ - /* All switches initialized, report switch state to AP */ - mkbp_init_done = true; - mkbp_fifo_add(EC_MKBP_EVENT_SWITCH, - (const uint8_t *)&mkbp_switch_state); -} -DECLARE_HOOK(HOOK_INIT, mkbp_report_switch_on_init, HOOK_PRIO_LAST); - -#ifdef CONFIG_EMULATED_SYSRQ -void host_send_sysrq(uint8_t key) -{ - uint32_t value = key; - - mkbp_fifo_add(EC_MKBP_EVENT_SYSRQ, (const uint8_t *)&value); -} -#endif - -/*****************************************************************************/ -/* Events */ - -static int mkbp_button_get_next_event(uint8_t *out) -{ - return mkbp_fifo_get_next_event(out, EC_MKBP_EVENT_BUTTON); -} -DECLARE_EVENT_SOURCE(EC_MKBP_EVENT_BUTTON, mkbp_button_get_next_event); - -static int switch_get_next_event(uint8_t *out) -{ - return mkbp_fifo_get_next_event(out, EC_MKBP_EVENT_SWITCH); -} -DECLARE_EVENT_SOURCE(EC_MKBP_EVENT_SWITCH, switch_get_next_event); - -#ifdef CONFIG_EMULATED_SYSRQ -static int sysrq_get_next_event(uint8_t *out) -{ - return mkbp_fifo_get_next_event(out, EC_MKBP_EVENT_SYSRQ); -} -DECLARE_EVENT_SOURCE(EC_MKBP_EVENT_SYSRQ, sysrq_get_next_event); -#endif - -/************************ Keyboard press simulation ************************/ -#ifndef HAS_TASK_KEYSCAN -/* Keys simulated-pressed */ -static uint8_t __bss_slow simulated_key[KEYBOARD_COLS_MAX]; -uint8_t keyboard_cols = KEYBOARD_COLS_MAX; - -/* For boards without a keyscan task, try and simulate keyboard presses. */ -static void simulate_key(int row, int col, int pressed) -{ - if ((simulated_key[col] & BIT(row)) == ((pressed ? 1 : 0) << row)) - return; /* No change */ - - simulated_key[col] &= ~BIT(row); - if (pressed) - simulated_key[col] |= BIT(row); - - mkbp_fifo_add((uint8_t)EC_MKBP_EVENT_KEY_MATRIX, simulated_key); -} - -static int command_mkbp_keyboard_press(int argc, char **argv) -{ - if (argc == 1) { - int i, j; - - ccputs("Simulated keys:\n"); - for (i = 0; i < keyboard_cols; ++i) { - if (simulated_key[i] == 0) - continue; - for (j = 0; j < KEYBOARD_ROWS; ++j) - if (simulated_key[i] & BIT(j)) - ccprintf("\t%d %d\n", i, j); - } - - } else if (argc == 3 || argc == 4) { - int r, c, p; - char *e; - - c = strtoi(argv[1], &e, 0); - if (*e || c < 0 || c >= keyboard_cols) - return EC_ERROR_PARAM1; - - r = strtoi(argv[2], &e, 0); - if (*e || r < 0 || r >= KEYBOARD_ROWS) - return EC_ERROR_PARAM2; - - if (argc == 3) { - /* Simulate a press and release */ - simulate_key(r, c, 1); - simulate_key(r, c, 0); - } else { - p = strtoi(argv[3], &e, 0); - if (*e || p < 0 || p > 1) - return EC_ERROR_PARAM3; - - simulate_key(r, c, p); - } - } - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(kbpress, command_mkbp_keyboard_press, - "[col row [0 | 1]]", - "Simulate keypress"); - -#endif /* !defined(HAS_TASK_KEYSCAN) */ |