diff options
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 91 |
1 files changed, 79 insertions, 12 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index e2b962f0fdc4..7b6cb0c69b02 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -1945,6 +1945,15 @@ enum { /* hot key scan codes (derived from ACPI DSDT) */ TP_ACPI_HOTKEYSCAN_CAMERA_MODE, TP_ACPI_HOTKEYSCAN_ROTATE_DISPLAY, + /* Lenovo extended keymap, starting at 0x1300 */ + TP_ACPI_HOTKEYSCAN_EXTENDED_START, + /* first new observed key (star, favorites) is 0x1311 */ + TP_ACPI_HOTKEYSCAN_STAR = 69, + TP_ACPI_HOTKEYSCAN_CLIPPING_TOOL2, + TP_ACPI_HOTKEYSCAN_UNK25, + TP_ACPI_HOTKEYSCAN_BLUETOOTH, + TP_ACPI_HOTKEYSCAN_KEYBOARD, + /* Hotkey keymap size */ TPACPI_HOTKEY_MAP_LEN }; @@ -3252,6 +3261,15 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + + /* No assignment, used for newer Lenovo models */ + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN + }, /* Generic keymap for Lenovo ThinkPads */ @@ -3337,6 +3355,29 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) KEY_RESERVED, /* Microphone cancellation */ KEY_RESERVED, /* Camera mode */ KEY_RESERVED, /* Rotate display, 0x116 */ + + /* + * These are found in 2017 models (e.g. T470s, X270). + * The lowest known value is 0x311, which according to + * the manual should launch a user defined favorite + * application. + * + * The offset for these is TP_ACPI_HOTKEYSCAN_EXTENDED_START, + * corresponding to 0x34. + */ + + /* (assignments unknown, please report if found) */ + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, + + KEY_FAVORITES, /* Favorite app, 0x311 */ + KEY_RESERVED, /* Clipping tool */ + KEY_RESERVED, + KEY_BLUETOOTH, /* Bluetooth */ + KEY_KEYBOARD /* Keyboard, 0x315 */ }, }; @@ -3747,8 +3788,9 @@ static bool adaptive_keyboard_hotkey_notify_hotkey(unsigned int scancode) default: if (scancode < FIRST_ADAPTIVE_KEY || - scancode >= FIRST_ADAPTIVE_KEY + TPACPI_HOTKEY_MAP_LEN - - TP_ACPI_HOTKEYSCAN_ADAPTIVE_START) { + scancode >= FIRST_ADAPTIVE_KEY + + TP_ACPI_HOTKEYSCAN_EXTENDED_START - + TP_ACPI_HOTKEYSCAN_ADAPTIVE_START) { pr_info("Unhandled adaptive keyboard key: 0x%x\n", scancode); return false; @@ -3779,19 +3821,44 @@ static bool hotkey_notify_hotkey(const u32 hkey, *send_acpi_ev = true; *ignore_acpi_ev = false; - /* HKEY event 0x1001 is scancode 0x00 */ - if (scancode > 0 && scancode <= TP_ACPI_HOTKEYSCAN_ADAPTIVE_START) { - scancode--; - if (!(hotkey_source_mask & (1 << scancode))) { - tpacpi_input_send_key_masked(scancode); - *send_acpi_ev = false; - } else { - *ignore_acpi_ev = true; + /* + * Original events are in the 0x10XX range, the adaptive keyboard + * found in 2014 X1 Carbon emits events are of 0x11XX. In 2017 + * models, additional keys are emitted through 0x13XX. + */ + switch ((hkey >> 8) & 0xf) { + case 0: + if (scancode > 0 && + scancode <= TP_ACPI_HOTKEYSCAN_ADAPTIVE_START) { + /* HKEY event 0x1001 is scancode 0x00 */ + scancode--; + if (!(hotkey_source_mask & (1 << scancode))) { + tpacpi_input_send_key_masked(scancode); + *send_acpi_ev = false; + } else { + *ignore_acpi_ev = true; + } + return true; } - return true; - } else { + break; + + case 1: return adaptive_keyboard_hotkey_notify_hotkey(scancode); + + case 3: + /* Extended keycodes start at 0x300 and our offset into the map + * TP_ACPI_HOTKEYSCAN_EXTENDED_START. The calculated scancode + * will be positive, but might not be in the correct range. + */ + scancode -= (0x300 - TP_ACPI_HOTKEYSCAN_EXTENDED_START); + if (scancode >= TP_ACPI_HOTKEYSCAN_EXTENDED_START && + scancode < TPACPI_HOTKEY_MAP_LEN) { + tpacpi_input_send_key(scancode); + return true; + } + break; } + return false; } |