diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/thinkpad_acpi.c | 108 |
1 files changed, 104 insertions, 4 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 4427c994bc7d..5c1bea1a6c37 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -730,7 +730,31 @@ static struct ibm_struct thinkpad_acpi_driver_data = { static int hotkey_orig_status; static u32 hotkey_orig_mask; static u32 hotkey_all_mask; -static u32 hotkey_reserved_mask = 0x00778000; +static u32 hotkey_reserved_mask; + +static u16 hotkey_keycode_map[] = { + /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */ + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + /* Scan codes 0x0C to 0x0F: Other ACPI HKEY hot keys */ + KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ + KEY_UNKNOWN, /* 0x0D: FN+INSERT */ + KEY_UNKNOWN, /* 0x0E: FN+DELETE */ + KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */ + /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */ + KEY_RESERVED, /* 0x10: FN+END (brightness down) */ + KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ + KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ + KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ + KEY_RESERVED, /* 0x14: VOLUME UP */ + KEY_RESERVED, /* 0x15: VOLUME DOWN */ + KEY_RESERVED, /* 0x16: MUTE */ + KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */ + /* (assignments unknown, please report if found) */ + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, +}; static struct attribute_set *hotkey_dev_attributes; @@ -889,11 +913,13 @@ static struct attribute *hotkey_mask_attributes[] = { static int __init hotkey_init(struct ibm_init_struct *iibm) { - int res; + int res, i; int status; vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n"); + BUG_ON(!tpacpi_inputdev); + IBM_ACPIHANDLE_INIT(hkey); mutex_init(&hotkey_mutex); @@ -950,6 +976,23 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) &tpacpi_pdev->dev.kobj); if (res) return res; + + set_bit(EV_KEY, tpacpi_inputdev->evbit); + set_bit(EV_MSC, tpacpi_inputdev->evbit); + set_bit(MSC_SCAN, tpacpi_inputdev->mscbit); + tpacpi_inputdev->keycodesize = sizeof(hotkey_keycode_map[0]); + tpacpi_inputdev->keycodemax = ARRAY_SIZE(hotkey_keycode_map); + tpacpi_inputdev->keycode = &hotkey_keycode_map; + for (i = 0; i < ARRAY_SIZE(hotkey_keycode_map); i++) { + if (hotkey_keycode_map[i] != KEY_RESERVED) { + set_bit(hotkey_keycode_map[i], + tpacpi_inputdev->keybit); + } else { + if (i < sizeof(hotkey_reserved_mask)*8) + hotkey_reserved_mask |= 1 << i; + } + } + } return (tp_features.hotkey)? 0 : 1; @@ -972,12 +1015,69 @@ static void hotkey_exit(void) } } +static void tpacpi_input_send_key(unsigned int scancode, + unsigned int keycode) +{ + if (keycode != KEY_RESERVED) { + input_report_key(tpacpi_inputdev, keycode, 1); + if (keycode == KEY_UNKNOWN) + input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, + scancode); + input_sync(tpacpi_inputdev); + + input_report_key(tpacpi_inputdev, keycode, 0); + if (keycode == KEY_UNKNOWN) + input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, + scancode); + input_sync(tpacpi_inputdev); + } +} + static void hotkey_notify(struct ibm_struct *ibm, u32 event) { - int hkey; + u32 hkey; + unsigned int keycode, scancode; + int sendacpi = 1; if (event == 0x80 && acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) { - acpi_bus_generate_event(ibm->acpi->device, event, hkey); + if (tpacpi_inputdev->users > 0) { + switch (hkey >> 12) { + case 1: + /* 0x1000-0x1FFF: key presses */ + scancode = hkey & 0xfff; + if (scancode > 0 && scancode < 0x21) { + scancode--; + keycode = hotkey_keycode_map[scancode]; + tpacpi_input_send_key(scancode, keycode); + sendacpi = (keycode == KEY_RESERVED + || keycode == KEY_UNKNOWN); + } else { + printk(IBM_ERR + "hotkey 0x%04x out of range for keyboard map\n", + hkey); + } + break; + case 5: + /* 0x5000-0x5FFF: LID */ + /* we don't handle it through this path, just + * eat up known LID events */ + if (hkey != 0x5001 && hkey != 0x5002) { + printk(IBM_ERR + "unknown LID-related hotkey event: 0x%04x\n", + hkey); + } + break; + default: + /* case 2: dock-related */ + /* 0x2305 - T43 waking up due to bay lever eject while aslept */ + /* case 3: ultra-bay related. maybe bay in dock? */ + /* 0x3003 - T43 after wake up by bay lever eject (0x2305) */ + printk(IBM_NOTICE "unhandled hotkey event 0x%04x\n", hkey); + } + } + + if (sendacpi) + acpi_bus_generate_event(ibm->acpi->device, event, hkey); } else { printk(IBM_ERR "unknown hotkey notification event %d\n", event); acpi_bus_generate_event(ibm->acpi->device, event, 0); |